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1 #!/usr/bin/perl
2 # SPDX-FileCopyrightText: 2005-2006 Kay Sievers <kay.sievers@vrfy.org>
3 # SPDX-FileCopyrightText: 2005 Christian Gierke
4 # SPDX-License-Identifier: GPL-2.0-only
5
6 # gitweb - simple web interface to track changes in git repositories
7 #
8 # (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
9 # (C) 2005, Christian Gierke
10 #
11 # This program is licensed under the GPLv2
12
13 use 5.008;
14 use strict;
15 use warnings;
16 # handle ACL in file access tests
17 use filetest 'access';
18 use CGI qw(:standard :escapeHTML -nosticky);
19 use CGI::Util qw(unescape);
20 use CGI::Carp qw(fatalsToBrowser set_message);
21 use Encode;
22 use Fcntl ':mode';
23 use File::Find qw();
24 use File::Basename qw(basename);
25 use Time::HiRes qw(gettimeofday tv_interval);
26 use Digest::MD5 qw(md5_hex);
27
28 binmode STDOUT, ':utf8';
29
30 if (!defined($CGI::VERSION) || $CGI::VERSION < 4.08) {
31 eval 'sub CGI::multi_param { CGI::param(@_) }'
32 }
33
34 our $t0 = [ gettimeofday() ];
35 our $number_of_git_cmds = 0;
36
37 BEGIN {
38 CGI->compile() if $ENV{'MOD_PERL'};
39 }
40
41 our $version = "2.40.1.445.gf85cd430b1";
42
43 our ($my_url, $my_uri, $base_url, $path_info, $home_link);
44 sub evaluate_uri {
45 our $cgi;
46
47 our $my_url = $cgi->url();
48 our $my_uri = $cgi->url(-absolute => 1);
49
50 # Base URL for relative URLs in gitweb ($logo, $favicon, ...),
51 # needed and used only for URLs with nonempty PATH_INFO
52 our $base_url = $my_url;
53
54 # When the script is used as DirectoryIndex, the URL does not contain the name
55 # of the script file itself, and $cgi->url() fails to strip PATH_INFO, so we
56 # have to do it ourselves. We make $path_info global because it's also used
57 # later on.
58 #
59 # Another issue with the script being the DirectoryIndex is that the resulting
60 # $my_url data is not the full script URL: this is good, because we want
61 # generated links to keep implying the script name if it wasn't explicitly
62 # indicated in the URL we're handling, but it means that $my_url cannot be used
63 # as base URL.
64 # Therefore, if we needed to strip PATH_INFO, then we know that we have
65 # to build the base URL ourselves:
66 our $path_info = decode_utf8($ENV{"PATH_INFO"});
67 if ($path_info) {
68 # $path_info has already been URL-decoded by the web server, but
69 # $my_url and $my_uri have not. URL-decode them so we can properly
70 # strip $path_info.
71 $my_url = unescape($my_url);
72 $my_uri = unescape($my_uri);
73 if ($my_url =~ s,\Q$path_info\E$,, &&
74 $my_uri =~ s,\Q$path_info\E$,, &&
75 defined $ENV{'SCRIPT_NAME'}) {
76 $base_url = $cgi->url(-base => 1) . $ENV{'SCRIPT_NAME'};
77 }
78 }
79
80 # target of the home link on top of all pages
81 our $home_link = $my_uri || "/";
82 }
83
84 # core git executable to use
85 # this can just be "git" if your webserver has a sensible PATH
86 our $GIT = "/usr/bin/git";
87
88 # absolute fs-path which will be prepended to the project path
89 #our $projectroot = "/pub/scm";
90 our $projectroot = "/srv/git";
91
92 # fs traversing limit for getting project list
93 # the number is relative to the projectroot
94 our $project_maxdepth = 2007;
95
96 # string of the home link on top of all pages
97 our $home_link_str = "projects";
98
99 # extra breadcrumbs preceding the home link
100 our @extra_breadcrumbs = ();
101
102 # name of your site or organization to appear in page titles
103 # replace this with something more descriptive for clearer bookmarks
104 our $site_name = ""
105 || ($ENV{'SERVER_NAME'} || "Untitled") . " Git";
106
107 # html snippet to include in the <head> section of each page
108 our $site_html_head_string = "";
109 # filename of html text to include at top of each page
110 our $site_header = "";
111 # html text to include at home page
112 our $home_text = "indextext.html";
113 # filename of html text to include at bottom of each page
114 our $site_footer = "";
115
116 # URI of stylesheets
117 our @stylesheets = ("static/gitweb.css");
118 # URI of a single stylesheet, which can be overridden in GITWEB_CONFIG.
119 our $stylesheet = undef;
120 # URI of GIT logo (72x27 size)
121 our $logo = "static/git-logo.png";
122 # URI of GIT favicon, assumed to be image/png type
123 our $favicon = "static/git-favicon.png";
124 # URI of gitweb.js (JavaScript code for gitweb)
125 our $javascript = "static/gitweb.js";
126
127 # URI and label (title) of GIT logo link
128 #our $logo_url = "http://www.kernel.org/pub/software/scm/git/docs/";
129 #our $logo_label = "git documentation";
130 our $logo_url = "http://git-scm.com/";
131 our $logo_label = "git homepage";
132
133 # source of projects list
134 our $projects_list = "";
135
136 # the width (in characters) of the projects list "Description" column
137 our $projects_list_description_width = 25;
138
139 # group projects by category on the projects list
140 # (enabled if this variable evaluates to true)
141 our $projects_list_group_categories = 0;
142
143 # default category if none specified
144 # (leave the empty string for no category)
145 our $project_list_default_category = "";
146
147 # default order of projects list
148 # valid values are none, project, descr, owner, and age
149 our $default_projects_order = "project";
150
151 # show repository only if this file exists
152 # (only effective if this variable evaluates to true)
153 our $export_ok = "";
154
155 # don't generate age column on the projects list page
156 our $omit_age_column = 0;
157
158 # don't generate information about owners of repositories
159 our $omit_owner=0;
160
161 # show repository only if this subroutine returns true
162 # when given the path to the project, for example:
163 # sub { return -e "$_[0]/git-daemon-export-ok"; }
164 our $export_auth_hook = undef;
165
166 # only allow viewing of repositories also shown on the overview page
167 our $strict_export = "";
168
169 # list of git base URLs used for URL to where fetch project from,
170 # i.e. full URL is "$git_base_url/$project"
171 our @git_base_url_list = grep { $_ ne '' } ("");
172
173 # default blob_plain mimetype and default charset for text/plain blob
174 our $default_blob_plain_mimetype = 'text/plain';
175 our $default_text_plain_charset = undef;
176
177 # file to use for guessing MIME types before trying /etc/mime.types
178 # (relative to the current git repository)
179 our $mimetypes_file = undef;
180
181 # assume this charset if line contains non-UTF-8 characters;
182 # it should be valid encoding (see Encoding::Supported(3pm) for list),
183 # for which encoding all byte sequences are valid, for example
184 # 'iso-8859-1' aka 'latin1' (it is decoded without checking, so it
185 # could be even 'utf-8' for the old behavior)
186 our $fallback_encoding = 'latin1';
187
188 # rename detection options for git-diff and git-diff-tree
189 # - default is '-M', with the cost proportional to
190 # (number of removed files) * (number of new files).
191 # - more costly is '-C' (which implies '-M'), with the cost proportional to
192 # (number of changed files + number of removed files) * (number of new files)
193 # - even more costly is '-C', '--find-copies-harder' with cost
194 # (number of files in the original tree) * (number of new files)
195 # - one might want to include '-B' option, e.g. '-B', '-M'
196 our @diff_opts = ('-M'); # taken from git_commit
197
198 # Disables features that would allow repository owners to inject script into
199 # the gitweb domain.
200 our $prevent_xss = 0;
201
202 # Path to the highlight executable to use (must be the one from
203 # http://www.andre-simon.de due to assumptions about parameters and output).
204 # Useful if highlight is not installed on your webserver's PATH.
205 # [Default: highlight]
206 our $highlight_bin = "highlight";
207
208 # information about snapshot formats that gitweb is capable of serving
209 our %known_snapshot_formats = (
210 # name => {
211 # 'display' => display name,
212 # 'type' => mime type,
213 # 'suffix' => filename suffix,
214 # 'format' => --format for git-archive,
215 # 'compressor' => [compressor command and arguments]
216 # (array reference, optional)
217 # 'disabled' => boolean (optional)}
218 #
219 'tgz' => {
220 'display' => 'tar.gz',
221 'type' => 'application/x-gzip',
222 'suffix' => '.tar.gz',
223 'format' => 'tar',
224 'compressor' => ['gzip', '-n']},
225
226 'tbz2' => {
227 'display' => 'tar.bz2',
228 'type' => 'application/x-bzip2',
229 'suffix' => '.tar.bz2',
230 'format' => 'tar',
231 'compressor' => ['bzip2']},
232
233 'txz' => {
234 'display' => 'tar.xz',
235 'type' => 'application/x-xz',
236 'suffix' => '.tar.xz',
237 'format' => 'tar',
238 'compressor' => ['xz'],
239 'disabled' => 1},
240
241 'zip' => {
242 'display' => 'zip',
243 'type' => 'application/x-zip',
244 'suffix' => '.zip',
245 'format' => 'zip'},
246 );
247
248 # Aliases so we understand old gitweb.snapshot values in repository
249 # configuration.
250 our %known_snapshot_format_aliases = (
251 'gzip' => 'tgz',
252 'bzip2' => 'tbz2',
253 'xz' => 'txz',
254
255 # backward compatibility: legacy gitweb config support
256 'x-gzip' => undef, 'gz' => undef,
257 'x-bzip2' => undef, 'bz2' => undef,
258 'x-zip' => undef, '' => undef,
259 );
260
261 # Pixel sizes for icons and avatars. If the default font sizes or lineheights
262 # are changed, it may be appropriate to change these values too via
263 # $GITWEB_CONFIG.
264 our %avatar_size = (
265 'default' => 16,
266 'double' => 32
267 );
268
269 # Used to set the maximum load that we will still respond to gitweb queries.
270 # If server load exceed this value then return "503 server busy" error.
271 # If gitweb cannot determined server load, it is taken to be 0.
272 # Leave it undefined (or set to 'undef') to turn off load checking.
273 our $maxload = 300;
274
275 # configuration for 'highlight' (http://www.andre-simon.de/)
276 # match by basename
277 our %highlight_basename = (
278 #'Program' => 'py',
279 #'Library' => 'py',
280 'SConstruct' => 'py', # SCons equivalent of Makefile
281 'Makefile' => 'make',
282 );
283 # match by extension
284 our %highlight_ext = (
285 # main extensions, defining name of syntax;
286 # see files in /usr/share/highlight/langDefs/ directory
287 (map { $_ => $_ } qw(py rb java css js tex bib xml awk bat ini spec tcl sql)),
288 # alternate extensions, see /etc/highlight/filetypes.conf
289 (map { $_ => 'c' } qw(c h)),
290 (map { $_ => 'sh' } qw(sh bash zsh ksh)),
291 (map { $_ => 'cpp' } qw(cpp cxx c++ cc)),
292 (map { $_ => 'php' } qw(php php3 php4 php5 phps)),
293 (map { $_ => 'pl' } qw(pl perl pm)), # perhaps also 'cgi'
294 (map { $_ => 'make'} qw(make mak mk)),
295 (map { $_ => 'xml' } qw(xml xhtml html htm)),
296 );
297
298 # You define site-wide feature defaults here; override them with
299 # $GITWEB_CONFIG as necessary.
300 our %feature = (
301 # feature => {
302 # 'sub' => feature-sub (subroutine),
303 # 'override' => allow-override (boolean),
304 # 'default' => [ default options...] (array reference)}
305 #
306 # if feature is overridable (it means that allow-override has true value),
307 # then feature-sub will be called with default options as parameters;
308 # return value of feature-sub indicates if to enable specified feature
309 #
310 # if there is no 'sub' key (no feature-sub), then feature cannot be
311 # overridden
312 #
313 # use gitweb_get_feature(<feature>) to retrieve the <feature> value
314 # (an array) or gitweb_check_feature(<feature>) to check if <feature>
315 # is enabled
316
317 # Enable the 'blame' blob view, showing the last commit that modified
318 # each line in the file. This can be very CPU-intensive.
319
320 # To enable system wide have in $GITWEB_CONFIG
321 # $feature{'blame'}{'default'} = [1];
322 # To have project specific config enable override in $GITWEB_CONFIG
323 # $feature{'blame'}{'override'} = 1;
324 # and in project config gitweb.blame = 0|1;
325 'blame' => {
326 'sub' => sub { feature_bool('blame', @_) },
327 'override' => 0,
328 'default' => [0]},
329
330 # Enable the 'snapshot' link, providing a compressed archive of any
331 # tree. This can potentially generate high traffic if you have large
332 # project.
333
334 # Value is a list of formats defined in %known_snapshot_formats that
335 # you wish to offer.
336 # To disable system wide have in $GITWEB_CONFIG
337 # $feature{'snapshot'}{'default'} = [];
338 # To have project specific config enable override in $GITWEB_CONFIG
339 # $feature{'snapshot'}{'override'} = 1;
340 # and in project config, a comma-separated list of formats or "none"
341 # to disable. Example: gitweb.snapshot = tbz2,zip;
342 'snapshot' => {
343 'sub' => \&feature_snapshot,
344 'override' => 0,
345 'default' => ['tgz']},
346
347 # Enable text search, which will list the commits which match author,
348 # committer or commit text to a given string. Enabled by default.
349 # Project specific override is not supported.
350 #
351 # Note that this controls all search features, which means that if
352 # it is disabled, then 'grep' and 'pickaxe' search would also be
353 # disabled.
354 'search' => {
355 'override' => 0,
356 'default' => [1]},
357
358 # Enable grep search, which will list the files in currently selected
359 # tree containing the given string. Enabled by default. This can be
360 # potentially CPU-intensive, of course.
361 # Note that you need to have 'search' feature enabled too.
362
363 # To enable system wide have in $GITWEB_CONFIG
364 # $feature{'grep'}{'default'} = [1];
365 # To have project specific config enable override in $GITWEB_CONFIG
366 # $feature{'grep'}{'override'} = 1;
367 # and in project config gitweb.grep = 0|1;
368 'grep' => {
369 'sub' => sub { feature_bool('grep', @_) },
370 'override' => 0,
371 'default' => [1]},
372
373 # Enable the pickaxe search, which will list the commits that modified
374 # a given string in a file. This can be practical and quite faster
375 # alternative to 'blame', but still potentially CPU-intensive.
376 # Note that you need to have 'search' feature enabled too.
377
378 # To enable system wide have in $GITWEB_CONFIG
379 # $feature{'pickaxe'}{'default'} = [1];
380 # To have project specific config enable override in $GITWEB_CONFIG
381 # $feature{'pickaxe'}{'override'} = 1;
382 # and in project config gitweb.pickaxe = 0|1;
383 'pickaxe' => {
384 'sub' => sub { feature_bool('pickaxe', @_) },
385 'override' => 0,
386 'default' => [1]},
387
388 # Enable showing size of blobs in a 'tree' view, in a separate
389 # column, similar to what 'ls -l' does. This cost a bit of IO.
390
391 # To disable system wide have in $GITWEB_CONFIG
392 # $feature{'show-sizes'}{'default'} = [0];
393 # To have project specific config enable override in $GITWEB_CONFIG
394 # $feature{'show-sizes'}{'override'} = 1;
395 # and in project config gitweb.showsizes = 0|1;
396 'show-sizes' => {
397 'sub' => sub { feature_bool('showsizes', @_) },
398 'override' => 0,
399 'default' => [1]},
400
401 # Make gitweb use an alternative format of the URLs which can be
402 # more readable and natural-looking: project name is embedded
403 # directly in the path and the query string contains other
404 # auxiliary information. All gitweb installations recognize
405 # URL in either format; this configures in which formats gitweb
406 # generates links.
407
408 # To enable system wide have in $GITWEB_CONFIG
409 # $feature{'pathinfo'}{'default'} = [1];
410 # Project specific override is not supported.
411
412 # Note that you will need to change the default location of CSS,
413 # favicon, logo and possibly other files to an absolute URL. Also,
414 # if gitweb.cgi serves as your indexfile, you will need to force
415 # $my_uri to contain the script name in your $GITWEB_CONFIG.
416 'pathinfo' => {
417 'override' => 0,
418 'default' => [0]},
419
420 # Make gitweb consider projects in project root subdirectories
421 # to be forks of existing projects. Given project $projname.git,
422 # projects matching $projname/*.git will not be shown in the main
423 # projects list, instead a '+' mark will be added to $projname
424 # there and a 'forks' view will be enabled for the project, listing
425 # all the forks. If project list is taken from a file, forks have
426 # to be listed after the main project.
427
428 # To enable system wide have in $GITWEB_CONFIG
429 # $feature{'forks'}{'default'} = [1];
430 # Project specific override is not supported.
431 'forks' => {
432 'override' => 0,
433 'default' => [0]},
434
435 # Insert custom links to the action bar of all project pages.
436 # This enables you mainly to link to third-party scripts integrating
437 # into gitweb; e.g. git-browser for graphical history representation
438 # or custom web-based repository administration interface.
439
440 # The 'default' value consists of a list of triplets in the form
441 # (label, link, position) where position is the label after which
442 # to insert the link and link is a format string where %n expands
443 # to the project name, %f to the project path within the filesystem,
444 # %h to the current hash (h gitweb parameter) and %b to the current
445 # hash base (hb gitweb parameter); %% expands to %.
446
447 # To enable system wide have in $GITWEB_CONFIG e.g.
448 # $feature{'actions'}{'default'} = [('graphiclog',
449 # '/git-browser/by-commit.html?r=%n', 'summary')];
450 # Project specific override is not supported.
451 'actions' => {
452 'override' => 0,
453 'default' => []},
454
455 # Allow gitweb scan project content tags of project repository,
456 # and display the popular Web 2.0-ish "tag cloud" near the projects
457 # list. Note that this is something COMPLETELY different from the
458 # normal Git tags.
459
460 # gitweb by itself can show existing tags, but it does not handle
461 # tagging itself; you need to do it externally, outside gitweb.
462 # The format is described in git_get_project_ctags() subroutine.
463 # You may want to install the HTML::TagCloud Perl module to get
464 # a pretty tag cloud instead of just a list of tags.
465
466 # To enable system wide have in $GITWEB_CONFIG
467 # $feature{'ctags'}{'default'} = [1];
468 # Project specific override is not supported.
469
470 # In the future whether ctags editing is enabled might depend
471 # on the value, but using 1 should always mean no editing of ctags.
472 'ctags' => {
473 'override' => 0,
474 'default' => [0]},
475
476 # The maximum number of patches in a patchset generated in patch
477 # view. Set this to 0 or undef to disable patch view, or to a
478 # negative number to remove any limit.
479
480 # To disable system wide have in $GITWEB_CONFIG
481 # $feature{'patches'}{'default'} = [0];
482 # To have project specific config enable override in $GITWEB_CONFIG
483 # $feature{'patches'}{'override'} = 1;
484 # and in project config gitweb.patches = 0|n;
485 # where n is the maximum number of patches allowed in a patchset.
486 'patches' => {
487 'sub' => \&feature_patches,
488 'override' => 0,
489 'default' => [16]},
490
491 # Avatar support. When this feature is enabled, views such as
492 # shortlog or commit will display an avatar associated with
493 # the email of the committer(s) and/or author(s).
494
495 # Currently available providers are gravatar and picon.
496 # If an unknown provider is specified, the feature is disabled.
497
498 # Picon currently relies on the indiana.edu database.
499
500 # To enable system wide have in $GITWEB_CONFIG
501 # $feature{'avatar'}{'default'} = ['<provider>'];
502 # where <provider> is either gravatar or picon.
503 # To have project specific config enable override in $GITWEB_CONFIG
504 # $feature{'avatar'}{'override'} = 1;
505 # and in project config gitweb.avatar = <provider>;
506 'avatar' => {
507 'sub' => \&feature_avatar,
508 'override' => 0,
509 'default' => ['']},
510
511 # Enable displaying how much time and how many git commands
512 # it took to generate and display page. Disabled by default.
513 # Project specific override is not supported.
514 'timed' => {
515 'override' => 0,
516 'default' => [0]},
517
518 # Enable turning some links into links to actions which require
519 # JavaScript to run (like 'blame_incremental'). Not enabled by
520 # default. Project specific override is currently not supported.
521 'javascript-actions' => {
522 'override' => 0,
523 'default' => [0]},
524
525 # Enable and configure ability to change common timezone for dates
526 # in gitweb output via JavaScript. Enabled by default.
527 # Project specific override is not supported.
528 'javascript-timezone' => {
529 'override' => 0,
530 'default' => [
531 'local', # default timezone: 'utc', 'local', or '(-|+)HHMM' format,
532 # or undef to turn off this feature
533 'gitweb_tz', # name of cookie where to store selected timezone
534 'datetime', # CSS class used to mark up dates for manipulation
535 ]},
536
537 # Syntax highlighting support. This is based on Daniel Svensson's
538 # and Sham Chukoury's work in gitweb-xmms2.git.
539 # It requires the 'highlight' program present in $PATH,
540 # and therefore is disabled by default.
541
542 # To enable system wide have in $GITWEB_CONFIG
543 # $feature{'highlight'}{'default'} = [1];
544
545 'highlight' => {
546 'sub' => sub { feature_bool('highlight', @_) },
547 'override' => 0,
548 'default' => [0]},
549
550 # Enable displaying of remote heads in the heads list
551
552 # To enable system wide have in $GITWEB_CONFIG
553 # $feature{'remote_heads'}{'default'} = [1];
554 # To have project specific config enable override in $GITWEB_CONFIG
555 # $feature{'remote_heads'}{'override'} = 1;
556 # and in project config gitweb.remoteheads = 0|1;
557 'remote_heads' => {
558 'sub' => sub { feature_bool('remote_heads', @_) },
559 'override' => 0,
560 'default' => [0]},
561
562 # Enable showing branches under other refs in addition to heads
563
564 # To set system wide extra branch refs have in $GITWEB_CONFIG
565 # $feature{'extra-branch-refs'}{'default'} = ['dirs', 'of', 'choice'];
566 # To have project specific config enable override in $GITWEB_CONFIG
567 # $feature{'extra-branch-refs'}{'override'} = 1;
568 # and in project config gitweb.extrabranchrefs = dirs of choice
569 # Every directory is separated with whitespace.
570
571 'extra-branch-refs' => {
572 'sub' => \&feature_extra_branch_refs,
573 'override' => 0,
574 'default' => []},
575
576 # Redact e-mail addresses.
577
578 # To enable system wide have in $GITWEB_CONFIG
579 # $feature{'email-privacy'}{'default'} = [1];
580 'email-privacy' => {
581 'sub' => sub { feature_bool('email-privacy', @_) },
582 'override' => 1,
583 'default' => [0]},
584 );
585
586 sub gitweb_get_feature {
587 my ($name) = @_;
588 return unless exists $feature{$name};
589 my ($sub, $override, @defaults) = (
590 $feature{$name}{'sub'},
591 $feature{$name}{'override'},
592 @{$feature{$name}{'default'}});
593 # project specific override is possible only if we have project
594 our $git_dir; # global variable, declared later
595 if (!$override || !defined $git_dir) {
596 return @defaults;
597 }
598 if (!defined $sub) {
599 warn "feature $name is not overridable";
600 return @defaults;
601 }
602 return $sub->(@defaults);
603 }
604
605 # A wrapper to check if a given feature is enabled.
606 # With this, you can say
607 #
608 # my $bool_feat = gitweb_check_feature('bool_feat');
609 # gitweb_check_feature('bool_feat') or somecode;
610 #
611 # instead of
612 #
613 # my ($bool_feat) = gitweb_get_feature('bool_feat');
614 # (gitweb_get_feature('bool_feat'))[0] or somecode;
615 #
616 sub gitweb_check_feature {
617 return (gitweb_get_feature(@_))[0];
618 }
619
620
621 sub feature_bool {
622 my $key = shift;
623 my ($val) = git_get_project_config($key, '--bool');
624
625 if (!defined $val) {
626 return ($_[0]);
627 } elsif ($val eq 'true') {
628 return (1);
629 } elsif ($val eq 'false') {
630 return (0);
631 }
632 }
633
634 sub feature_snapshot {
635 my (@fmts) = @_;
636
637 my ($val) = git_get_project_config('snapshot');
638
639 if ($val) {
640 @fmts = ($val eq 'none' ? () : split /\s*[,\s]\s*/, $val);
641 }
642
643 return @fmts;
644 }
645
646 sub feature_patches {
647 my @val = (git_get_project_config('patches', '--int'));
648
649 if (@val) {
650 return @val;
651 }
652
653 return ($_[0]);
654 }
655
656 sub feature_avatar {
657 my @val = (git_get_project_config('avatar'));
658
659 return @val ? @val : @_;
660 }
661
662 sub feature_extra_branch_refs {
663 my (@branch_refs) = @_;
664 my $values = git_get_project_config('extrabranchrefs');
665
666 if ($values) {
667 $values = config_to_multi ($values);
668 @branch_refs = ();
669 foreach my $value (@{$values}) {
670 push @branch_refs, split /\s+/, $value;
671 }
672 }
673
674 return @branch_refs;
675 }
676
677 # checking HEAD file with -e is fragile if the repository was
678 # initialized long time ago (i.e. symlink HEAD) and was pack-ref'ed
679 # and then pruned.
680 sub check_head_link {
681 my ($dir) = @_;
682 my $headfile = "$dir/HEAD";
683 return ((-e $headfile) ||
684 (-l $headfile && readlink($headfile) =~ /^refs\/heads\//));
685 }
686
687 sub check_export_ok {
688 my ($dir) = @_;
689 return (check_head_link($dir) &&
690 (!$export_ok || -e "$dir/$export_ok") &&
691 (!$export_auth_hook || $export_auth_hook->($dir)));
692 }
693
694 # process alternate names for backward compatibility
695 # filter out unsupported (unknown) snapshot formats
696 sub filter_snapshot_fmts {
697 my @fmts = @_;
698
699 @fmts = map {
700 exists $known_snapshot_format_aliases{$_} ?
701 $known_snapshot_format_aliases{$_} : $_} @fmts;
702 @fmts = grep {
703 exists $known_snapshot_formats{$_} &&
704 !$known_snapshot_formats{$_}{'disabled'}} @fmts;
705 }
706
707 sub filter_and_validate_refs {
708 my @refs = @_;
709 my %unique_refs = ();
710
711 foreach my $ref (@refs) {
712 die_error(500, "Invalid ref '$ref' in 'extra-branch-refs' feature") unless (is_valid_ref_format($ref));
713 # 'heads' are added implicitly in get_branch_refs().
714 $unique_refs{$ref} = 1 if ($ref ne 'heads');
715 }
716 return sort keys %unique_refs;
717 }
718
719 # If it is set to code reference, it is code that it is to be run once per
720 # request, allowing updating configurations that change with each request,
721 # while running other code in config file only once.
722 #
723 # Otherwise, if it is false then gitweb would process config file only once;
724 # if it is true then gitweb config would be run for each request.
725 our $per_request_config = 1;
726
727 # read and parse gitweb config file given by its parameter.
728 # returns true on success, false on recoverable error, allowing
729 # to chain this subroutine, using first file that exists.
730 # dies on errors during parsing config file, as it is unrecoverable.
731 sub read_config_file {
732 my $filename = shift;
733 return unless defined $filename;
734 # die if there are errors parsing config file
735 if (-e $filename) {
736 do $filename;
737 die $@ if $@;
738 return 1;
739 }
740 return;
741 }
742
743 our ($GITWEB_CONFIG, $GITWEB_CONFIG_SYSTEM, $GITWEB_CONFIG_COMMON);
744 sub evaluate_gitweb_config {
745 our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "gitweb_config.perl";
746 our $GITWEB_CONFIG_SYSTEM = $ENV{'GITWEB_CONFIG_SYSTEM'} || "/etc/gitweb.conf";
747 our $GITWEB_CONFIG_COMMON = $ENV{'GITWEB_CONFIG_COMMON'} || "/etc/gitweb-common.conf";
748
749 # Protect against duplications of file names, to not read config twice.
750 # Only one of $GITWEB_CONFIG and $GITWEB_CONFIG_SYSTEM is used, so
751 # there possibility of duplication of filename there doesn't matter.
752 $GITWEB_CONFIG = "" if ($GITWEB_CONFIG eq $GITWEB_CONFIG_COMMON);
753 $GITWEB_CONFIG_SYSTEM = "" if ($GITWEB_CONFIG_SYSTEM eq $GITWEB_CONFIG_COMMON);
754
755 # Common system-wide settings for convenience.
756 # Those settings can be overridden by GITWEB_CONFIG or GITWEB_CONFIG_SYSTEM.
757 read_config_file($GITWEB_CONFIG_COMMON);
758
759 # Use first config file that exists. This means use the per-instance
760 # GITWEB_CONFIG if exists, otherwise use GITWEB_SYSTEM_CONFIG.
761 read_config_file($GITWEB_CONFIG) and return;
762 read_config_file($GITWEB_CONFIG_SYSTEM);
763 }
764
765 # Get loadavg of system, to compare against $maxload.
766 # Currently it requires '/proc/loadavg' present to get loadavg;
767 # if it is not present it returns 0, which means no load checking.
768 sub get_loadavg {
769 if( -e '/proc/loadavg' ){
770 open my $fd, '<', '/proc/loadavg'
771 or return 0;
772 my @load = split(/\s+/, scalar <$fd>);
773 close $fd;
774
775 # The first three columns measure CPU and IO utilization of the last one,
776 # five, and 10 minute periods. The fourth column shows the number of
777 # currently running processes and the total number of processes in the m/n
778 # format. The last column displays the last process ID used.
779 return $load[0] || 0;
780 }
781 # additional checks for load average should go here for things that don't export
782 # /proc/loadavg
783
784 return 0;
785 }
786
787 # version of the core git binary
788 our $git_version;
789 sub evaluate_git_version {
790 our $git_version = qx("$GIT" --version) =~ m/git version (.*)$/ ? $1 : "unknown";
791 $number_of_git_cmds++;
792 }
793
794 sub check_loadavg {
795 if (defined $maxload && get_loadavg() > $maxload) {
796 die_error(503, "The load average on the server is too high");
797 }
798 }
799
800 # ======================================================================
801 # input validation and dispatch
802
803 # Various hash size-related values.
804 my $sha1_len = 40;
805 my $sha256_extra_len = 24;
806 my $sha256_len = $sha1_len + $sha256_extra_len;
807
808 # A regex matching $len hex characters. $len may be a range (e.g. 7,64).
809 sub oid_nlen_regex {
810 my $len = shift;
811 my $hchr = qr/[0-9a-fA-F]/;
812 return qr/(?:(?:$hchr){$len})/;
813 }
814
815 # A regex matching two sets of $nlen hex characters, prefixed by the literal
816 # string $prefix and with the literal string $infix between them.
817 sub oid_nlen_prefix_infix_regex {
818 my $nlen = shift;
819 my $prefix = shift;
820 my $infix = shift;
821
822 my $rx = oid_nlen_regex($nlen);
823
824 return qr/^\Q$prefix\E$rx\Q$infix\E$rx$/;
825 }
826
827 # A regex matching a valid object ID.
828 our $oid_regex;
829 {
830 my $x = oid_nlen_regex($sha1_len);
831 my $y = oid_nlen_regex($sha256_extra_len);
832 $oid_regex = qr/(?:$x(?:$y)?)/;
833 }
834
835 # input parameters can be collected from a variety of sources (presently, CGI
836 # and PATH_INFO), so we define an %input_params hash that collects them all
837 # together during validation: this allows subsequent uses (e.g. href()) to be
838 # agnostic of the parameter origin
839
840 our %input_params = ();
841
842 # input parameters are stored with the long parameter name as key. This will
843 # also be used in the href subroutine to convert parameters to their CGI
844 # equivalent, and since the href() usage is the most frequent one, we store
845 # the name -> CGI key mapping here, instead of the reverse.
846 #
847 # XXX: Warning: If you touch this, check the search form for updating,
848 # too.
849
850 our @cgi_param_mapping = (
851 project => "p",
852 action => "a",
853 file_name => "f",
854 file_parent => "fp",
855 hash => "h",
856 hash_parent => "hp",
857 hash_base => "hb",
858 hash_parent_base => "hpb",
859 page => "pg",
860 order => "o",
861 searchtext => "s",
862 searchtype => "st",
863 snapshot_format => "sf",
864 extra_options => "opt",
865 search_use_regexp => "sr",
866 ctag => "by_tag",
867 diff_style => "ds",
868 project_filter => "pf",
869 # this must be last entry (for manipulation from JavaScript)
870 javascript => "js"
871 );
872 our %cgi_param_mapping = @cgi_param_mapping;
873
874 # we will also need to know the possible actions, for validation
875 our %actions = (
876 "blame" => \&git_blame,
877 "blame_incremental" => \&git_blame_incremental,
878 "blame_data" => \&git_blame_data,
879 "blobdiff" => \&git_blobdiff,
880 "blobdiff_plain" => \&git_blobdiff_plain,
881 "blob" => \&git_blob,
882 "blob_plain" => \&git_blob_plain,
883 "commitdiff" => \&git_commitdiff,
884 "commitdiff_plain" => \&git_commitdiff_plain,
885 "commit" => \&git_commit,
886 "forks" => \&git_forks,
887 "heads" => \&git_heads,
888 "history" => \&git_history,
889 "log" => \&git_log,
890 "patch" => \&git_patch,
891 "patches" => \&git_patches,
892 "remotes" => \&git_remotes,
893 "rss" => \&git_rss,
894 "atom" => \&git_atom,
895 "search" => \&git_search,
896 "search_help" => \&git_search_help,
897 "shortlog" => \&git_shortlog,
898 "summary" => \&git_summary,
899 "tag" => \&git_tag,
900 "tags" => \&git_tags,
901 "tree" => \&git_tree,
902 "snapshot" => \&git_snapshot,
903 "object" => \&git_object,
904 # those below don't need $project
905 "opml" => \&git_opml,
906 "project_list" => \&git_project_list,
907 "project_index" => \&git_project_index,
908 );
909
910 # finally, we have the hash of allowed extra_options for the commands that
911 # allow them
912 our %allowed_options = (
913 "--no-merges" => [ qw(rss atom log shortlog history) ],
914 );
915
916 # fill %input_params with the CGI parameters. All values except for 'opt'
917 # should be single values, but opt can be an array. We should probably
918 # build an array of parameters that can be multi-valued, but since for the time
919 # being it's only this one, we just single it out
920 sub evaluate_query_params {
921 our $cgi;
922
923 while (my ($name, $symbol) = each %cgi_param_mapping) {
924 if ($symbol eq 'opt') {
925 $input_params{$name} = [ map { decode_utf8($_) } $cgi->multi_param($symbol) ];
926 } else {
927 $input_params{$name} = decode_utf8($cgi->param($symbol));
928 }
929 }
930 }
931
932 # now read PATH_INFO and update the parameter list for missing parameters
933 sub evaluate_path_info {
934 return if defined $input_params{'project'};
935 return if !$path_info;
936 $path_info =~ s,^/+,,;
937 return if !$path_info;
938
939 # find which part of PATH_INFO is project
940 my $project = $path_info;
941 $project =~ s,/+$,,;
942 while ($project && !check_head_link("$projectroot/$project")) {
943 $project =~ s,/*[^/]*$,,;
944 }
945 return unless $project;
946 $input_params{'project'} = $project;
947
948 # do not change any parameters if an action is given using the query string
949 return if $input_params{'action'};
950 $path_info =~ s,^\Q$project\E/*,,;
951
952 # next, check if we have an action
953 my $action = $path_info;
954 $action =~ s,/.*$,,;
955 if (exists $actions{$action}) {
956 $path_info =~ s,^$action/*,,;
957 $input_params{'action'} = $action;
958 }
959
960 # list of actions that want hash_base instead of hash, but can have no
961 # pathname (f) parameter
962 my @wants_base = (
963 'tree',
964 'history',
965 );
966
967 # we want to catch, among others
968 # [$hash_parent_base[:$file_parent]..]$hash_parent[:$file_name]
969 my ($parentrefname, $parentpathname, $refname, $pathname) =
970 ($path_info =~ /^(?:(.+?)(?::(.+))?\.\.)?([^:]+?)?(?::(.+))?$/);
971
972 # first, analyze the 'current' part
973 if (defined $pathname) {
974 # we got "branch:filename" or "branch:dir/"
975 # we could use git_get_type(branch:pathname), but:
976 # - it needs $git_dir
977 # - it does a git() call
978 # - the convention of terminating directories with a slash
979 # makes it superfluous
980 # - embedding the action in the PATH_INFO would make it even
981 # more superfluous
982 $pathname =~ s,^/+,,;
983 if (!$pathname || substr($pathname, -1) eq "/") {
984 $input_params{'action'} ||= "tree";
985 $pathname =~ s,/$,,;
986 } else {
987 # the default action depends on whether we had parent info
988 # or not
989 if ($parentrefname) {
990 $input_params{'action'} ||= "blobdiff_plain";
991 } else {
992 $input_params{'action'} ||= "blob_plain";
993 }
994 }
995 $input_params{'hash_base'} ||= $refname;
996 $input_params{'file_name'} ||= $pathname;
997 } elsif (defined $refname) {
998 # we got "branch". In this case we have to choose if we have to
999 # set hash or hash_base.
1000 #
1001 # Most of the actions without a pathname only want hash to be
1002 # set, except for the ones specified in @wants_base that want
1003 # hash_base instead. It should also be noted that hand-crafted
1004 # links having 'history' as an action and no pathname or hash
1005 # set will fail, but that happens regardless of PATH_INFO.
1006 if (defined $parentrefname) {
1007 # if there is parent let the default be 'shortlog' action
1008 # (for http://git.example.com/repo.git/A..B links); if there
1009 # is no parent, dispatch will detect type of object and set
1010 # action appropriately if required (if action is not set)
1011 $input_params{'action'} ||= "shortlog";
1012 }
1013 if ($input_params{'action'} &&
1014 grep { $_ eq $input_params{'action'} } @wants_base) {
1015 $input_params{'hash_base'} ||= $refname;
1016 } else {
1017 $input_params{'hash'} ||= $refname;
1018 }
1019 }
1020
1021 # next, handle the 'parent' part, if present
1022 if (defined $parentrefname) {
1023 # a missing pathspec defaults to the 'current' filename, allowing e.g.
1024 # someproject/blobdiff/oldrev..newrev:/filename
1025 if ($parentpathname) {
1026 $parentpathname =~ s,^/+,,;
1027 $parentpathname =~ s,/$,,;
1028 $input_params{'file_parent'} ||= $parentpathname;
1029 } else {
1030 $input_params{'file_parent'} ||= $input_params{'file_name'};
1031 }
1032 # we assume that hash_parent_base is wanted if a path was specified,
1033 # or if the action wants hash_base instead of hash
1034 if (defined $input_params{'file_parent'} ||
1035 grep { $_ eq $input_params{'action'} } @wants_base) {
1036 $input_params{'hash_parent_base'} ||= $parentrefname;
1037 } else {
1038 $input_params{'hash_parent'} ||= $parentrefname;
1039 }
1040 }
1041
1042 # for the snapshot action, we allow URLs in the form
1043 # $project/snapshot/$hash.ext
1044 # where .ext determines the snapshot and gets removed from the
1045 # passed $refname to provide the $hash.
1046 #
1047 # To be able to tell that $refname includes the format extension, we
1048 # require the following two conditions to be satisfied:
1049 # - the hash input parameter MUST have been set from the $refname part
1050 # of the URL (i.e. they must be equal)
1051 # - the snapshot format MUST NOT have been defined already (e.g. from
1052 # CGI parameter sf)
1053 # It's also useless to try any matching unless $refname has a dot,
1054 # so we check for that too
1055 if (defined $input_params{'action'} &&
1056 $input_params{'action'} eq 'snapshot' &&
1057 defined $refname && index($refname, '.') != -1 &&
1058 $refname eq $input_params{'hash'} &&
1059 !defined $input_params{'snapshot_format'}) {
1060 # We loop over the known snapshot formats, checking for
1061 # extensions. Allowed extensions are both the defined suffix
1062 # (which includes the initial dot already) and the snapshot
1063 # format key itself, with a prepended dot
1064 while (my ($fmt, $opt) = each %known_snapshot_formats) {
1065 my $hash = $refname;
1066 unless ($hash =~ s/(\Q$opt->{'suffix'}\E|\Q.$fmt\E)$//) {
1067 next;
1068 }
1069 my $sfx = $1;
1070 # a valid suffix was found, so set the snapshot format
1071 # and reset the hash parameter
1072 $input_params{'snapshot_format'} = $fmt;
1073 $input_params{'hash'} = $hash;
1074 # we also set the format suffix to the one requested
1075 # in the URL: this way a request for e.g. .tgz returns
1076 # a .tgz instead of a .tar.gz
1077 $known_snapshot_formats{$fmt}{'suffix'} = $sfx;
1078 last;
1079 }
1080 }
1081 }
1082
1083 our ($action, $project, $file_name, $file_parent, $hash, $hash_parent, $hash_base,
1084 $hash_parent_base, @extra_options, $page, $searchtype, $search_use_regexp,
1085 $searchtext, $search_regexp, $project_filter);
1086 sub evaluate_and_validate_params {
1087 our $action = $input_params{'action'};
1088 if (defined $action) {
1089 if (!is_valid_action($action)) {
1090 die_error(400, "Invalid action parameter");
1091 }
1092 }
1093
1094 # parameters which are pathnames
1095 our $project = $input_params{'project'};
1096 if (defined $project) {
1097 if (!is_valid_project($project)) {
1098 undef $project;
1099 die_error(404, "No such project");
1100 }
1101 }
1102
1103 our $project_filter = $input_params{'project_filter'};
1104 if (defined $project_filter) {
1105 if (!is_valid_pathname($project_filter)) {
1106 die_error(404, "Invalid project_filter parameter");
1107 }
1108 }
1109
1110 our $file_name = $input_params{'file_name'};
1111 if (defined $file_name) {
1112 if (!is_valid_pathname($file_name)) {
1113 die_error(400, "Invalid file parameter");
1114 }
1115 }
1116
1117 our $file_parent = $input_params{'file_parent'};
1118 if (defined $file_parent) {
1119 if (!is_valid_pathname($file_parent)) {
1120 die_error(400, "Invalid file parent parameter");
1121 }
1122 }
1123
1124 # parameters which are refnames
1125 our $hash = $input_params{'hash'};
1126 if (defined $hash) {
1127 if (!is_valid_refname($hash)) {
1128 die_error(400, "Invalid hash parameter");
1129 }
1130 }
1131
1132 our $hash_parent = $input_params{'hash_parent'};
1133 if (defined $hash_parent) {
1134 if (!is_valid_refname($hash_parent)) {
1135 die_error(400, "Invalid hash parent parameter");
1136 }
1137 }
1138
1139 our $hash_base = $input_params{'hash_base'};
1140 if (defined $hash_base) {
1141 if (!is_valid_refname($hash_base)) {
1142 die_error(400, "Invalid hash base parameter");
1143 }
1144 }
1145
1146 our @extra_options = @{$input_params{'extra_options'}};
1147 # @extra_options is always defined, since it can only be (currently) set from
1148 # CGI, and $cgi->param() returns the empty array in array context if the param
1149 # is not set
1150 foreach my $opt (@extra_options) {
1151 if (not exists $allowed_options{$opt}) {
1152 die_error(400, "Invalid option parameter");
1153 }
1154 if (not grep(/^$action$/, @{$allowed_options{$opt}})) {
1155 die_error(400, "Invalid option parameter for this action");
1156 }
1157 }
1158
1159 our $hash_parent_base = $input_params{'hash_parent_base'};
1160 if (defined $hash_parent_base) {
1161 if (!is_valid_refname($hash_parent_base)) {
1162 die_error(400, "Invalid hash parent base parameter");
1163 }
1164 }
1165
1166 # other parameters
1167 our $page = $input_params{'page'};
1168 if (defined $page) {
1169 if ($page =~ m/[^0-9]/) {
1170 die_error(400, "Invalid page parameter");
1171 }
1172 }
1173
1174 our $searchtype = $input_params{'searchtype'};
1175 if (defined $searchtype) {
1176 if ($searchtype =~ m/[^a-z]/) {
1177 die_error(400, "Invalid searchtype parameter");
1178 }
1179 }
1180
1181 our $search_use_regexp = $input_params{'search_use_regexp'};
1182
1183 our $searchtext = $input_params{'searchtext'};
1184 our $search_regexp = undef;
1185 if (defined $searchtext) {
1186 if (length($searchtext) < 2) {
1187 die_error(403, "At least two characters are required for search parameter");
1188 }
1189 if ($search_use_regexp) {
1190 $search_regexp = $searchtext;
1191 if (!eval { qr/$search_regexp/; 1; }) {
1192 (my $error = $@) =~ s/ at \S+ line \d+.*\n?//;
1193 die_error(400, "Invalid search regexp '$search_regexp'",
1194 esc_html($error));
1195 }
1196 } else {
1197 $search_regexp = quotemeta $searchtext;
1198 }
1199 }
1200 }
1201
1202 # path to the current git repository
1203 our $git_dir;
1204 sub evaluate_git_dir {
1205 our $git_dir = "$projectroot/$project" if $project;
1206 }
1207
1208 our (@snapshot_fmts, $git_avatar, @extra_branch_refs);
1209 sub configure_gitweb_features {
1210 # list of supported snapshot formats
1211 our @snapshot_fmts = gitweb_get_feature('snapshot');
1212 @snapshot_fmts = filter_snapshot_fmts(@snapshot_fmts);
1213
1214 our ($git_avatar) = gitweb_get_feature('avatar');
1215 $git_avatar = '' unless $git_avatar =~ /^(?:gravatar|picon)$/s;
1216
1217 our @extra_branch_refs = gitweb_get_feature('extra-branch-refs');
1218 @extra_branch_refs = filter_and_validate_refs (@extra_branch_refs);
1219 }
1220
1221 sub get_branch_refs {
1222 return ('heads', @extra_branch_refs);
1223 }
1224
1225 # custom error handler: 'die <message>' is Internal Server Error
1226 sub handle_errors_html {
1227 my $msg = shift; # it is already HTML escaped
1228
1229 # to avoid infinite loop where error occurs in die_error,
1230 # change handler to default handler, disabling handle_errors_html
1231 set_message("Error occurred when inside die_error:\n$msg");
1232
1233 # you cannot jump out of die_error when called as error handler;
1234 # the subroutine set via CGI::Carp::set_message is called _after_
1235 # HTTP headers are already written, so it cannot write them itself
1236 die_error(undef, undef, $msg, -error_handler => 1, -no_http_header => 1);
1237 }
1238 set_message(\&handle_errors_html);
1239
1240 # dispatch
1241 sub dispatch {
1242 if (!defined $action) {
1243 if (defined $hash) {
1244 $action = git_get_type($hash);
1245 $action or die_error(404, "Object does not exist");
1246 } elsif (defined $hash_base && defined $file_name) {
1247 $action = git_get_type("$hash_base:$file_name");
1248 $action or die_error(404, "File or directory does not exist");
1249 } elsif (defined $project) {
1250 $action = 'summary';
1251 } else {
1252 $action = 'project_list';
1253 }
1254 }
1255 if (!defined($actions{$action})) {
1256 die_error(400, "Unknown action");
1257 }
1258 if ($action !~ m/^(?:opml|project_list|project_index)$/ &&
1259 !$project) {
1260 die_error(400, "Project needed");
1261 }
1262 $actions{$action}->();
1263 }
1264
1265 sub reset_timer {
1266 our $t0 = [ gettimeofday() ]
1267 if defined $t0;
1268 our $number_of_git_cmds = 0;
1269 }
1270
1271 our $first_request = 1;
1272 sub run_request {
1273 reset_timer();
1274
1275 evaluate_uri();
1276 if ($first_request) {
1277 evaluate_gitweb_config();
1278 evaluate_git_version();
1279 }
1280 if ($per_request_config) {
1281 if (ref($per_request_config) eq 'CODE') {
1282 $per_request_config->();
1283 } elsif (!$first_request) {
1284 evaluate_gitweb_config();
1285 }
1286 }
1287 check_loadavg();
1288
1289 # $projectroot and $projects_list might be set in gitweb config file
1290 $projects_list ||= $projectroot;
1291
1292 evaluate_query_params();
1293 evaluate_path_info();
1294 evaluate_and_validate_params();
1295 evaluate_git_dir();
1296
1297 configure_gitweb_features();
1298
1299 dispatch();
1300 }
1301
1302 our $is_last_request = sub { 1 };
1303 our ($pre_dispatch_hook, $post_dispatch_hook, $pre_listen_hook);
1304 our $CGI = 'CGI';
1305 our $cgi;
1306 our $FCGI_Stream_PRINT_raw = \&FCGI::Stream::PRINT;
1307 sub configure_as_fcgi {
1308 require CGI::Fast;
1309 our $CGI = 'CGI::Fast';
1310 # FCGI is not Unicode aware hence the UTF-8 encoding must be done manually.
1311 # However no encoding must be done within git_blob_plain() and git_snapshot()
1312 # which must still output in raw binary mode.
1313 no warnings 'redefine';
1314 my $enc = Encode::find_encoding('UTF-8');
1315 *FCGI::Stream::PRINT = sub {
1316 my @OUTPUT = @_;
1317 for (my $i = 1; $i < @_; $i++) {
1318 $OUTPUT[$i] = $enc->encode($_[$i], Encode::FB_CROAK|Encode::LEAVE_SRC);
1319 }
1320 @_ = @OUTPUT;
1321 goto $FCGI_Stream_PRINT_raw;
1322 };
1323
1324 my $request_number = 0;
1325 # let each child service 100 requests
1326 our $is_last_request = sub { ++$request_number > 100 };
1327 }
1328 sub evaluate_argv {
1329 my $script_name = $ENV{'SCRIPT_NAME'} || $ENV{'SCRIPT_FILENAME'} || __FILE__;
1330 configure_as_fcgi()
1331 if $script_name =~ /\.fcgi$/;
1332
1333 return unless (@ARGV);
1334
1335 require Getopt::Long;
1336 Getopt::Long::GetOptions(
1337 'fastcgi|fcgi|f' => \&configure_as_fcgi,
1338 'nproc|n=i' => sub {
1339 my ($arg, $val) = @_;
1340 return unless eval { require FCGI::ProcManager; 1; };
1341 my $proc_manager = FCGI::ProcManager->new({
1342 n_processes => $val,
1343 });
1344 our $pre_listen_hook = sub { $proc_manager->pm_manage() };
1345 our $pre_dispatch_hook = sub { $proc_manager->pm_pre_dispatch() };
1346 our $post_dispatch_hook = sub { $proc_manager->pm_post_dispatch() };
1347 },
1348 );
1349 }
1350
1351 sub run {
1352 evaluate_argv();
1353
1354 $first_request = 1;
1355 $pre_listen_hook->()
1356 if $pre_listen_hook;
1357
1358 REQUEST:
1359 while ($cgi = $CGI->new()) {
1360 $pre_dispatch_hook->()
1361 if $pre_dispatch_hook;
1362
1363 run_request();
1364
1365 $post_dispatch_hook->()
1366 if $post_dispatch_hook;
1367 $first_request = 0;
1368
1369 last REQUEST if ($is_last_request->());
1370 }
1371
1372 DONE_GITWEB:
1373 1;
1374 }
1375
1376 run();
1377
1378 if (defined caller) {
1379 # wrapped in a subroutine processing requests,
1380 # e.g. mod_perl with ModPerl::Registry, or PSGI with Plack::App::WrapCGI
1381 return;
1382 } else {
1383 # pure CGI script, serving single request
1384 exit;
1385 }
1386
1387 ## ======================================================================
1388 ## action links
1389
1390 # possible values of extra options
1391 # -full => 0|1 - use absolute/full URL ($my_uri/$my_url as base)
1392 # -replay => 1 - start from a current view (replay with modifications)
1393 # -path_info => 0|1 - don't use/use path_info URL (if possible)
1394 # -anchor => ANCHOR - add #ANCHOR to end of URL, implies -replay if used alone
1395 sub href {
1396 my %params = @_;
1397 # default is to use -absolute url() i.e. $my_uri
1398 my $href = $params{-full} ? $my_url : $my_uri;
1399
1400 # implicit -replay, must be first of implicit params
1401 $params{-replay} = 1 if (keys %params == 1 && $params{-anchor});
1402
1403 $params{'project'} = $project unless exists $params{'project'};
1404
1405 if ($params{-replay}) {
1406 while (my ($name, $symbol) = each %cgi_param_mapping) {
1407 if (!exists $params{$name}) {
1408 $params{$name} = $input_params{$name};
1409 }
1410 }
1411 }
1412
1413 my $use_pathinfo = gitweb_check_feature('pathinfo');
1414 if (defined $params{'project'} &&
1415 (exists $params{-path_info} ? $params{-path_info} : $use_pathinfo)) {
1416 # try to put as many parameters as possible in PATH_INFO:
1417 # - project name
1418 # - action
1419 # - hash_parent or hash_parent_base:/file_parent
1420 # - hash or hash_base:/filename
1421 # - the snapshot_format as an appropriate suffix
1422
1423 # When the script is the root DirectoryIndex for the domain,
1424 # $href here would be something like http://gitweb.example.com/
1425 # Thus, we strip any trailing / from $href, to spare us double
1426 # slashes in the final URL
1427 $href =~ s,/$,,;
1428
1429 # Then add the project name, if present
1430 $href .= "/".esc_path_info($params{'project'});
1431 delete $params{'project'};
1432
1433 # since we destructively absorb parameters, we keep this
1434 # boolean that remembers if we're handling a snapshot
1435 my $is_snapshot = $params{'action'} eq 'snapshot';
1436
1437 # Summary just uses the project path URL, any other action is
1438 # added to the URL
1439 if (defined $params{'action'}) {
1440 $href .= "/".esc_path_info($params{'action'})
1441 unless $params{'action'} eq 'summary';
1442 delete $params{'action'};
1443 }
1444
1445 # Next, we put hash_parent_base:/file_parent..hash_base:/file_name,
1446 # stripping nonexistent or useless pieces
1447 $href .= "/" if ($params{'hash_base'} || $params{'hash_parent_base'}
1448 || $params{'hash_parent'} || $params{'hash'});
1449 if (defined $params{'hash_base'}) {
1450 if (defined $params{'hash_parent_base'}) {
1451 $href .= esc_path_info($params{'hash_parent_base'});
1452 # skip the file_parent if it's the same as the file_name
1453 if (defined $params{'file_parent'}) {
1454 if (defined $params{'file_name'} && $params{'file_parent'} eq $params{'file_name'}) {
1455 delete $params{'file_parent'};
1456 } elsif ($params{'file_parent'} !~ /\.\./) {
1457 $href .= ":/".esc_path_info($params{'file_parent'});
1458 delete $params{'file_parent'};
1459 }
1460 }
1461 $href .= "..";
1462 delete $params{'hash_parent'};
1463 delete $params{'hash_parent_base'};
1464 } elsif (defined $params{'hash_parent'}) {
1465 $href .= esc_path_info($params{'hash_parent'}). "..";
1466 delete $params{'hash_parent'};
1467 }
1468
1469 $href .= esc_path_info($params{'hash_base'});
1470 if (defined $params{'file_name'} && $params{'file_name'} !~ /\.\./) {
1471 $href .= ":/".esc_path_info($params{'file_name'});
1472 delete $params{'file_name'};
1473 }
1474 delete $params{'hash'};
1475 delete $params{'hash_base'};
1476 } elsif (defined $params{'hash'}) {
1477 $href .= esc_path_info($params{'hash'});
1478 delete $params{'hash'};
1479 }
1480
1481 # If the action was a snapshot, we can absorb the
1482 # snapshot_format parameter too
1483 if ($is_snapshot) {
1484 my $fmt = $params{'snapshot_format'};
1485 # snapshot_format should always be defined when href()
1486 # is called, but just in case some code forgets, we
1487 # fall back to the default
1488 $fmt ||= $snapshot_fmts[0];
1489 $href .= $known_snapshot_formats{$fmt}{'suffix'};
1490 delete $params{'snapshot_format'};
1491 }
1492 }
1493
1494 # now encode the parameters explicitly
1495 my @result = ();
1496 for (my $i = 0; $i < @cgi_param_mapping; $i += 2) {
1497 my ($name, $symbol) = ($cgi_param_mapping[$i], $cgi_param_mapping[$i+1]);
1498 if (defined $params{$name}) {
1499 if (ref($params{$name}) eq "ARRAY") {
1500 foreach my $par (@{$params{$name}}) {
1501 push @result, $symbol . "=" . esc_param($par);
1502 }
1503 } else {
1504 push @result, $symbol . "=" . esc_param($params{$name});
1505 }
1506 }
1507 }
1508 $href .= "?" . join(';', @result) if scalar @result;
1509
1510 # final transformation: trailing spaces must be escaped (URI-encoded)
1511 $href =~ s/(\s+)$/CGI::escape($1)/e;
1512
1513 if ($params{-anchor}) {
1514 $href .= "#".esc_param($params{-anchor});
1515 }
1516
1517 return $href;
1518 }
1519
1520
1521 ## ======================================================================
1522 ## validation, quoting/unquoting and escaping
1523
1524 sub is_valid_action {
1525 my $input = shift;
1526 return undef unless exists $actions{$input};
1527 return 1;
1528 }
1529
1530 sub is_valid_project {
1531 my $input = shift;
1532
1533 return unless defined $input;
1534 if (!is_valid_pathname($input) ||
1535 !(-d "$projectroot/$input") ||
1536 !check_export_ok("$projectroot/$input") ||
1537 ($strict_export && !project_in_list($input))) {
1538 return undef;
1539 } else {
1540 return 1;
1541 }
1542 }
1543
1544 sub is_valid_pathname {
1545 my $input = shift;
1546
1547 return undef unless defined $input;
1548 # no '.' or '..' as elements of path, i.e. no '.' or '..'
1549 # at the beginning, at the end, and between slashes.
1550 # also this catches doubled slashes
1551 if ($input =~ m!(^|/)(|\.|\.\.)(/|$)!) {
1552 return undef;
1553 }
1554 # no null characters
1555 if ($input =~ m!\0!) {
1556 return undef;
1557 }
1558 return 1;
1559 }
1560
1561 sub is_valid_ref_format {
1562 my $input = shift;
1563
1564 return undef unless defined $input;
1565 # restrictions on ref name according to git-check-ref-format
1566 if ($input =~ m!(/\.|\.\.|[\000-\040\177 ~^:?*\[]|/$)!) {
1567 return undef;
1568 }
1569 return 1;
1570 }
1571
1572 sub is_valid_refname {
1573 my $input = shift;
1574
1575 return undef unless defined $input;
1576 # textual hashes are O.K.
1577 if ($input =~ m/^$oid_regex$/) {
1578 return 1;
1579 }
1580 # it must be correct pathname
1581 is_valid_pathname($input) or return undef;
1582 # check git-check-ref-format restrictions
1583 is_valid_ref_format($input) or return undef;
1584 return 1;
1585 }
1586
1587 # decode sequences of octets in utf8 into Perl's internal form,
1588 # which is utf-8 with utf8 flag set if needed. gitweb writes out
1589 # in utf-8 thanks to "binmode STDOUT, ':utf8'" at beginning
1590 sub to_utf8 {
1591 my $str = shift;
1592 return undef unless defined $str;
1593
1594 if (utf8::is_utf8($str) || utf8::decode($str)) {
1595 return $str;
1596 } else {
1597 return decode($fallback_encoding, $str, Encode::FB_DEFAULT);
1598 }
1599 }
1600
1601 # quote unsafe chars, but keep the slash, even when it's not
1602 # correct, but quoted slashes look too horrible in bookmarks
1603 sub esc_param {
1604 my $str = shift;
1605 return undef unless defined $str;
1606 $str =~ s/([^A-Za-z0-9\-_.~()\/:@ ]+)/CGI::escape($1)/eg;
1607 $str =~ s/ /\+/g;
1608 return $str;
1609 }
1610
1611 # the quoting rules for path_info fragment are slightly different
1612 sub esc_path_info {
1613 my $str = shift;
1614 return undef unless defined $str;
1615
1616 # path_info doesn't treat '+' as space (specially), but '?' must be escaped
1617 $str =~ s/([^A-Za-z0-9\-_.~();\/;:@&= +]+)/CGI::escape($1)/eg;
1618
1619 return $str;
1620 }
1621
1622 # quote unsafe chars in whole URL, so some characters cannot be quoted
1623 sub esc_url {
1624 my $str = shift;
1625 return undef unless defined $str;
1626 $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&= ]+)/CGI::escape($1)/eg;
1627 $str =~ s/ /\+/g;
1628 return $str;
1629 }
1630
1631 # quote unsafe characters in HTML attributes
1632 sub esc_attr {
1633
1634 # for XHTML conformance escaping '"' to '&quot;' is not enough
1635 return esc_html(@_);
1636 }
1637
1638 # replace invalid utf8 character with SUBSTITUTION sequence
1639 sub esc_html {
1640 my $str = shift;
1641 my %opts = @_;
1642
1643 return undef unless defined $str;
1644
1645 $str = to_utf8($str);
1646 $str = $cgi->escapeHTML($str);
1647 if ($opts{'-nbsp'}) {
1648 $str =~ s/ /&nbsp;/g;
1649 }
1650 $str =~ s|([[:cntrl:]])|(($1 ne "\t") ? quot_cec($1) : $1)|eg;
1651 return $str;
1652 }
1653
1654 # quote control characters and escape filename to HTML
1655 sub esc_path {
1656 my $str = shift;
1657 my %opts = @_;
1658
1659 return undef unless defined $str;
1660
1661 $str = to_utf8($str);
1662 $str = $cgi->escapeHTML($str);
1663 if ($opts{'-nbsp'}) {
1664 $str =~ s/ /&nbsp;/g;
1665 }
1666 $str =~ s|([[:cntrl:]])|quot_cec($1)|eg;
1667 return $str;
1668 }
1669
1670 # Sanitize for use in XHTML + application/xml+xhtml (valid XML 1.0)
1671 sub sanitize {
1672 my $str = shift;
1673
1674 return undef unless defined $str;
1675
1676 $str = to_utf8($str);
1677 $str =~ s|([[:cntrl:]])|(index("\t\n\r", $1) != -1 ? $1 : quot_cec($1))|eg;
1678 return $str;
1679 }
1680
1681 # Make control characters "printable", using character escape codes (CEC)
1682 sub quot_cec {
1683 my $cntrl = shift;
1684 my %opts = @_;
1685 my %es = ( # character escape codes, aka escape sequences
1686 "\t" => '\t', # tab (HT)
1687 "\n" => '\n', # line feed (LF)
1688 "\r" => '\r', # carriage return (CR)
1689 "\f" => '\f', # form feed (FF)
1690 "\b" => '\b', # backspace (BS)
1691 "\a" => '\a', # alarm (bell) (BEL)
1692 "\e" => '\e', # escape (ESC)
1693 "\013" => '\v', # vertical tab (VT)
1694 "\000" => '\0', # nul character (NUL)
1695 );
1696 my $chr = ( (exists $es{$cntrl})
1697 ? $es{$cntrl}
1698 : sprintf('\%2x', ord($cntrl)) );
1699 if ($opts{-nohtml}) {
1700 return $chr;
1701 } else {
1702 return "<span class=\"cntrl\">$chr</span>";
1703 }
1704 }
1705
1706 # Alternatively use unicode control pictures codepoints,
1707 # Unicode "printable representation" (PR)
1708 sub quot_upr {
1709 my $cntrl = shift;
1710 my %opts = @_;
1711
1712 my $chr = sprintf('&#%04d;', 0x2400+ord($cntrl));
1713 if ($opts{-nohtml}) {
1714 return $chr;
1715 } else {
1716 return "<span class=\"cntrl\">$chr</span>";
1717 }
1718 }
1719
1720 # git may return quoted and escaped filenames
1721 sub unquote {
1722 my $str = shift;
1723
1724 sub unq {
1725 my $seq = shift;
1726 my %es = ( # character escape codes, aka escape sequences
1727 't' => "\t", # tab (HT, TAB)
1728 'n' => "\n", # newline (NL)
1729 'r' => "\r", # return (CR)
1730 'f' => "\f", # form feed (FF)
1731 'b' => "\b", # backspace (BS)
1732 'a' => "\a", # alarm (bell) (BEL)
1733 'e' => "\e", # escape (ESC)
1734 'v' => "\013", # vertical tab (VT)
1735 );
1736
1737 if ($seq =~ m/^[0-7]{1,3}$/) {
1738 # octal char sequence
1739 return chr(oct($seq));
1740 } elsif (exists $es{$seq}) {
1741 # C escape sequence, aka character escape code
1742 return $es{$seq};
1743 }
1744 # quoted ordinary character
1745 return $seq;
1746 }
1747
1748 if ($str =~ m/^"(.*)"$/) {
1749 # needs unquoting
1750 $str = $1;
1751 $str =~ s/\\([^0-7]|[0-7]{1,3})/unq($1)/eg;
1752 }
1753 return $str;
1754 }
1755
1756 # escape tabs (convert tabs to spaces)
1757 sub untabify {
1758 my $line = shift;
1759
1760 while ((my $pos = index($line, "\t")) != -1) {
1761 if (my $count = (8 - ($pos % 8))) {
1762 my $spaces = ' ' x $count;
1763 $line =~ s/\t/$spaces/;
1764 }
1765 }
1766
1767 return $line;
1768 }
1769
1770 sub project_in_list {
1771 my $project = shift;
1772 my @list = git_get_projects_list();
1773 return @list && scalar(grep { $_->{'path'} eq $project } @list);
1774 }
1775
1776 ## ----------------------------------------------------------------------
1777 ## HTML aware string manipulation
1778
1779 # Try to chop given string on a word boundary between position
1780 # $len and $len+$add_len. If there is no word boundary there,
1781 # chop at $len+$add_len. Do not chop if chopped part plus ellipsis
1782 # (marking chopped part) would be longer than given string.
1783 sub chop_str {
1784 my $str = shift;
1785 my $len = shift;
1786 my $add_len = shift || 10;
1787 my $where = shift || 'right'; # 'left' | 'center' | 'right'
1788
1789 # Make sure perl knows it is utf8 encoded so we don't
1790 # cut in the middle of a utf8 multibyte char.
1791 $str = to_utf8($str);
1792
1793 # allow only $len chars, but don't cut a word if it would fit in $add_len
1794 # if it doesn't fit, cut it if it's still longer than the dots we would add
1795 # remove chopped character entities entirely
1796
1797 # when chopping in the middle, distribute $len into left and right part
1798 # return early if chopping wouldn't make string shorter
1799 if ($where eq 'center') {
1800 return $str if ($len + 5 >= length($str)); # filler is length 5
1801 $len = int($len/2);
1802 } else {
1803 return $str if ($len + 4 >= length($str)); # filler is length 4
1804 }
1805
1806 # regexps: ending and beginning with word part up to $add_len
1807 my $endre = qr/.{$len}\w{0,$add_len}/;
1808 my $begre = qr/\w{0,$add_len}.{$len}/;
1809
1810 if ($where eq 'left') {
1811 $str =~ m/^(.*?)($begre)$/;
1812 my ($lead, $body) = ($1, $2);
1813 if (length($lead) > 4) {
1814 $lead = " ...";
1815 }
1816 return "$lead$body";
1817
1818 } elsif ($where eq 'center') {
1819 $str =~ m/^($endre)(.*)$/;
1820 my ($left, $str) = ($1, $2);
1821 $str =~ m/^(.*?)($begre)$/;
1822 my ($mid, $right) = ($1, $2);
1823 if (length($mid) > 5) {
1824 $mid = " ... ";
1825 }
1826 return "$left$mid$right";
1827
1828 } else {
1829 $str =~ m/^($endre)(.*)$/;
1830 my $body = $1;
1831 my $tail = $2;
1832 if (length($tail) > 4) {
1833 $tail = "... ";
1834 }
1835 return "$body$tail";
1836 }
1837 }
1838
1839 # takes the same arguments as chop_str, but also wraps a <span> around the
1840 # result with a title attribute if it does get chopped. Additionally, the
1841 # string is HTML-escaped.
1842 sub chop_and_escape_str {
1843 my ($str) = @_;
1844
1845 my $chopped = chop_str(@_);
1846 $str = to_utf8($str);
1847 if ($chopped eq $str) {
1848 return esc_html($chopped);
1849 } else {
1850 $str =~ s/[[:cntrl:]]/?/g;
1851 return $cgi->span({-title=>$str}, esc_html($chopped));
1852 }
1853 }
1854
1855 # Highlight selected fragments of string, using given CSS class,
1856 # and escape HTML. It is assumed that fragments do not overlap.
1857 # Regions are passed as list of pairs (array references).
1858 #
1859 # Example: esc_html_hl_regions("foobar", "mark", [ 0, 3 ]) returns
1860 # '<span class="mark">foo</span>bar'
1861 sub esc_html_hl_regions {
1862 my ($str, $css_class, @sel) = @_;
1863 my %opts = grep { ref($_) ne 'ARRAY' } @sel;
1864 @sel = grep { ref($_) eq 'ARRAY' } @sel;
1865 return esc_html($str, %opts) unless @sel;
1866
1867 my $out = '';
1868 my $pos = 0;
1869
1870 for my $s (@sel) {
1871 my ($begin, $end) = @$s;
1872
1873 # Don't create empty <span> elements.
1874 next if $end <= $begin;
1875
1876 my $escaped = esc_html(substr($str, $begin, $end - $begin),
1877 %opts);
1878
1879 $out .= esc_html(substr($str, $pos, $begin - $pos), %opts)
1880 if ($begin - $pos > 0);
1881 $out .= $cgi->span({-class => $css_class}, $escaped);
1882
1883 $pos = $end;
1884 }
1885 $out .= esc_html(substr($str, $pos), %opts)
1886 if ($pos < length($str));
1887
1888 return $out;
1889 }
1890
1891 # return positions of beginning and end of each match
1892 sub matchpos_list {
1893 my ($str, $regexp) = @_;
1894 return unless (defined $str && defined $regexp);
1895
1896 my @matches;
1897 while ($str =~ /$regexp/g) {
1898 push @matches, [$-[0], $+[0]];
1899 }
1900 return @matches;
1901 }
1902
1903 # highlight match (if any), and escape HTML
1904 sub esc_html_match_hl {
1905 my ($str, $regexp) = @_;
1906 return esc_html($str) unless defined $regexp;
1907
1908 my @matches = matchpos_list($str, $regexp);
1909 return esc_html($str) unless @matches;
1910
1911 return esc_html_hl_regions($str, 'match', @matches);
1912 }
1913
1914
1915 # highlight match (if any) of shortened string, and escape HTML
1916 sub esc_html_match_hl_chopped {
1917 my ($str, $chopped, $regexp) = @_;
1918 return esc_html_match_hl($str, $regexp) unless defined $chopped;
1919
1920 my @matches = matchpos_list($str, $regexp);
1921 return esc_html($chopped) unless @matches;
1922
1923 # filter matches so that we mark chopped string
1924 my $tail = "... "; # see chop_str
1925 unless ($chopped =~ s/\Q$tail\E$//) {
1926 $tail = '';
1927 }
1928 my $chop_len = length($chopped);
1929 my $tail_len = length($tail);
1930 my @filtered;
1931
1932 for my $m (@matches) {
1933 if ($m->[0] > $chop_len) {
1934 push @filtered, [ $chop_len, $chop_len + $tail_len ] if ($tail_len > 0);
1935 last;
1936 } elsif ($m->[1] > $chop_len) {
1937 push @filtered, [ $m->[0], $chop_len + $tail_len ];
1938 last;
1939 }
1940 push @filtered, $m;
1941 }
1942
1943 return esc_html_hl_regions($chopped . $tail, 'match', @filtered);
1944 }
1945
1946 ## ----------------------------------------------------------------------
1947 ## functions returning short strings
1948
1949 # CSS class for given age value (in seconds)
1950 sub age_class {
1951 my $age = shift;
1952
1953 if (!defined $age) {
1954 return "noage";
1955 } elsif ($age < 60*60*2) {
1956 return "age0";
1957 } elsif ($age < 60*60*24*2) {
1958 return "age1";
1959 } else {
1960 return "age2";
1961 }
1962 }
1963
1964 # convert age in seconds to "nn units ago" string
1965 sub age_string {
1966 my $age = shift;
1967 my $age_str;
1968
1969 if ($age > 60*60*24*365*2) {
1970 $age_str = (int $age/60/60/24/365);
1971 $age_str .= " years ago";
1972 } elsif ($age > 60*60*24*(365/12)*2) {
1973 $age_str = int $age/60/60/24/(365/12);
1974 $age_str .= " months ago";
1975 } elsif ($age > 60*60*24*7*2) {
1976 $age_str = int $age/60/60/24/7;
1977 $age_str .= " weeks ago";
1978 } elsif ($age > 60*60*24*2) {
1979 $age_str = int $age/60/60/24;
1980 $age_str .= " days ago";
1981 } elsif ($age > 60*60*2) {
1982 $age_str = int $age/60/60;
1983 $age_str .= " hours ago";
1984 } elsif ($age > 60*2) {
1985 $age_str = int $age/60;
1986 $age_str .= " min ago";
1987 } elsif ($age > 2) {
1988 $age_str = int $age;
1989 $age_str .= " sec ago";
1990 } else {
1991 $age_str .= " right now";
1992 }
1993 return $age_str;
1994 }
1995
1996 use constant {
1997 S_IFINVALID => 0030000,
1998 S_IFGITLINK => 0160000,
1999 };
2000
2001 # submodule/subproject, a commit object reference
2002 sub S_ISGITLINK {
2003 my $mode = shift;
2004
2005 return (($mode & S_IFMT) == S_IFGITLINK)
2006 }
2007
2008 # convert file mode in octal to symbolic file mode string
2009 sub mode_str {
2010 my $mode = oct shift;
2011
2012 if (S_ISGITLINK($mode)) {
2013 return 'm---------';
2014 } elsif (S_ISDIR($mode & S_IFMT)) {
2015 return 'drwxr-xr-x';
2016 } elsif (S_ISLNK($mode)) {
2017 return 'lrwxrwxrwx';
2018 } elsif (S_ISREG($mode)) {
2019 # git cares only about the executable bit
2020 if ($mode & S_IXUSR) {
2021 return '-rwxr-xr-x';
2022 } else {
2023 return '-rw-r--r--';
2024 };
2025 } else {
2026 return '----------';
2027 }
2028 }
2029
2030 # convert file mode in octal to file type string
2031 sub file_type {
2032 my $mode = shift;
2033
2034 if ($mode !~ m/^[0-7]+$/) {
2035 return $mode;
2036 } else {
2037 $mode = oct $mode;
2038 }
2039
2040 if (S_ISGITLINK($mode)) {
2041 return "submodule";
2042 } elsif (S_ISDIR($mode & S_IFMT)) {
2043 return "directory";
2044 } elsif (S_ISLNK($mode)) {
2045 return "symlink";
2046 } elsif (S_ISREG($mode)) {
2047 return "file";
2048 } else {
2049 return "unknown";
2050 }
2051 }
2052
2053 # convert file mode in octal to file type description string
2054 sub file_type_long {
2055 my $mode = shift;
2056
2057 if ($mode !~ m/^[0-7]+$/) {
2058 return $mode;
2059 } else {
2060 $mode = oct $mode;
2061 }
2062
2063 if (S_ISGITLINK($mode)) {
2064 return "submodule";
2065 } elsif (S_ISDIR($mode & S_IFMT)) {
2066 return "directory";
2067 } elsif (S_ISLNK($mode)) {
2068 return "symlink";
2069 } elsif (S_ISREG($mode)) {
2070 if ($mode & S_IXUSR) {
2071 return "executable";
2072 } else {
2073 return "file";
2074 };
2075 } else {
2076 return "unknown";
2077 }
2078 }
2079
2080
2081 ## ----------------------------------------------------------------------
2082 ## functions returning short HTML fragments, or transforming HTML fragments
2083 ## which don't belong to other sections
2084
2085 # format line of commit message.
2086 sub format_log_line_html {
2087 my $line = shift;
2088
2089 # Potentially abbreviated OID.
2090 my $regex = oid_nlen_regex("7,64");
2091
2092 $line = esc_html($line, -nbsp=>1);
2093 $line =~ s{
2094 \b
2095 (
2096 # The output of "git describe", e.g. v2.10.0-297-gf6727b0
2097 # or hadoop-20160921-113441-20-g094fb7d
2098 (?<!-) # see strbuf_check_tag_ref(). Tags can't start with -
2099 [A-Za-z0-9.-]+
2100 (?!\.) # refs can't end with ".", see check_refname_format()
2101 -g$regex
2102 |
2103 # Just a normal looking Git SHA1
2104 $regex
2105 )
2106 \b
2107 }{
2108 $cgi->a({-href => href(action=>"object", hash=>$1),
2109 -class => "text"}, $1);
2110 }egx;
2111
2112 return $line;
2113 }
2114
2115 # format marker of refs pointing to given object
2116
2117 # the destination action is chosen based on object type and current context:
2118 # - for annotated tags, we choose the tag view unless it's the current view
2119 # already, in which case we go to shortlog view
2120 # - for other refs, we keep the current view if we're in history, shortlog or
2121 # log view, and select shortlog otherwise
2122 sub format_ref_marker {
2123 my ($refs, $id) = @_;
2124 my $markers = '';
2125
2126 if (defined $refs->{$id}) {
2127 foreach my $ref (@{$refs->{$id}}) {
2128 # this code exploits the fact that non-lightweight tags are the
2129 # only indirect objects, and that they are the only objects for which
2130 # we want to use tag instead of shortlog as action
2131 my ($type, $name) = qw();
2132 my $indirect = ($ref =~ s/\^\{\}$//);
2133 # e.g. tags/v2.6.11 or heads/next
2134 if ($ref =~ m!^(.*?)s?/(.*)$!) {
2135 $type = $1;
2136 $name = $2;
2137 } else {
2138 $type = "ref";
2139 $name = $ref;
2140 }
2141
2142 my $class = $type;
2143 $class .= " indirect" if $indirect;
2144
2145 my $dest_action = "shortlog";
2146
2147 if ($indirect) {
2148 $dest_action = "tag" unless $action eq "tag";
2149 } elsif ($action =~ /^(history|(short)?log)$/) {
2150 $dest_action = $action;
2151 }
2152
2153 my $dest = "";
2154 $dest .= "refs/" unless $ref =~ m!^refs/!;
2155 $dest .= $ref;
2156
2157 my $link = $cgi->a({
2158 -href => href(
2159 action=>$dest_action,
2160 hash=>$dest
2161 )}, esc_html($name));
2162
2163 $markers .= " <span class=\"".esc_attr($class)."\" title=\"".esc_attr($ref)."\">" .
2164 $link . "</span>";
2165 }
2166 }
2167
2168 if ($markers) {
2169 return ' <span class="refs">'. $markers . '</span>';
2170 } else {
2171 return "";
2172 }
2173 }
2174
2175 # format, perhaps shortened and with markers, title line
2176 sub format_subject_html {
2177 my ($long, $short, $href, $extra) = @_;
2178 $extra = '' unless defined($extra);
2179
2180 if (length($short) < length($long)) {
2181 $long =~ s/[[:cntrl:]]/?/g;
2182 return $cgi->a({-href => $href, -class => "list subject",
2183 -title => to_utf8($long)},
2184 esc_html($short)) . $extra;
2185 } else {
2186 return $cgi->a({-href => $href, -class => "list subject"},
2187 esc_html($long)) . $extra;
2188 }
2189 }
2190
2191 # Rather than recomputing the url for an email multiple times, we cache it
2192 # after the first hit. This gives a visible benefit in views where the avatar
2193 # for the same email is used repeatedly (e.g. shortlog).
2194 # The cache is shared by all avatar engines (currently gravatar only), which
2195 # are free to use it as preferred. Since only one avatar engine is used for any
2196 # given page, there's no risk for cache conflicts.
2197 our %avatar_cache = ();
2198
2199 # Compute the picon url for a given email, by using the picon search service over at
2200 # http://www.cs.indiana.edu/picons/search.html
2201 sub picon_url {
2202 my $email = lc shift;
2203 if (!$avatar_cache{$email}) {
2204 my ($user, $domain) = split('@', $email);
2205 $avatar_cache{$email} =
2206 "//www.cs.indiana.edu/cgi-pub/kinzler/piconsearch.cgi/" .
2207 "$domain/$user/" .
2208 "users+domains+unknown/up/single";
2209 }
2210 return $avatar_cache{$email};
2211 }
2212
2213 # Compute the gravatar url for a given email, if it's not in the cache already.
2214 # Gravatar stores only the part of the URL before the size, since that's the
2215 # one computationally more expensive. This also allows reuse of the cache for
2216 # different sizes (for this particular engine).
2217 sub gravatar_url {
2218 my $email = lc shift;
2219 my $size = shift;
2220 $avatar_cache{$email} ||=
2221 "//www.gravatar.com/avatar/" .
2222 md5_hex($email) . "?s=";
2223 return $avatar_cache{$email} . $size;
2224 }
2225
2226 # Insert an avatar for the given $email at the given $size if the feature
2227 # is enabled.
2228 sub git_get_avatar {
2229 my ($email, %opts) = @_;
2230 my $pre_white = ($opts{-pad_before} ? "&nbsp;" : "");
2231 my $post_white = ($opts{-pad_after} ? "&nbsp;" : "");
2232 $opts{-size} ||= 'default';
2233 my $size = $avatar_size{$opts{-size}} || $avatar_size{'default'};
2234 my $url = "";
2235 if ($git_avatar eq 'gravatar') {
2236 $url = gravatar_url($email, $size);
2237 } elsif ($git_avatar eq 'picon') {
2238 $url = picon_url($email);
2239 }
2240 # Other providers can be added by extending the if chain, defining $url
2241 # as needed. If no variant puts something in $url, we assume avatars
2242 # are completely disabled/unavailable.
2243 if ($url) {
2244 return $pre_white .
2245 "<img width=\"$size\" " .
2246 "class=\"avatar\" " .
2247 "src=\"".esc_url($url)."\" " .
2248 "alt=\"\" " .
2249 "/>" . $post_white;
2250 } else {
2251 return "";
2252 }
2253 }
2254
2255 sub format_search_author {
2256 my ($author, $searchtype, $displaytext) = @_;
2257 my $have_search = gitweb_check_feature('search');
2258
2259 if ($have_search) {
2260 my $performed = "";
2261 if ($searchtype eq 'author') {
2262 $performed = "authored";
2263 } elsif ($searchtype eq 'committer') {
2264 $performed = "committed";
2265 }
2266
2267 return $cgi->a({-href => href(action=>"search", hash=>$hash,
2268 searchtext=>$author,
2269 searchtype=>$searchtype), class=>"list",
2270 title=>"Search for commits $performed by $author"},
2271 $displaytext);
2272
2273 } else {
2274 return $displaytext;
2275 }
2276 }
2277
2278 # format the author name of the given commit with the given tag
2279 # the author name is chopped and escaped according to the other
2280 # optional parameters (see chop_str).
2281 sub format_author_html {
2282 my $tag = shift;
2283 my $co = shift;
2284 my $author = chop_and_escape_str($co->{'author_name'}, @_);
2285 return "<$tag class=\"author\">" .
2286 format_search_author($co->{'author_name'}, "author",
2287 git_get_avatar($co->{'author_email'}, -pad_after => 1) .
2288 $author) .
2289 "</$tag>";
2290 }
2291
2292 # format git diff header line, i.e. "diff --(git|combined|cc) ..."
2293 sub format_git_diff_header_line {
2294 my $line = shift;
2295 my $diffinfo = shift;
2296 my ($from, $to) = @_;
2297
2298 if ($diffinfo->{'nparents'}) {
2299 # combined diff
2300 $line =~ s!^(diff (.*?) )"?.*$!$1!;
2301 if ($to->{'href'}) {
2302 $line .= $cgi->a({-href => $to->{'href'}, -class => "path"},
2303 esc_path($to->{'file'}));
2304 } else { # file was deleted (no href)
2305 $line .= esc_path($to->{'file'});
2306 }
2307 } else {
2308 # "ordinary" diff
2309 $line =~ s!^(diff (.*?) )"?a/.*$!$1!;
2310 if ($from->{'href'}) {
2311 $line .= $cgi->a({-href => $from->{'href'}, -class => "path"},
2312 'a/' . esc_path($from->{'file'}));
2313 } else { # file was added (no href)
2314 $line .= 'a/' . esc_path($from->{'file'});
2315 }
2316 $line .= ' ';
2317 if ($to->{'href'}) {
2318 $line .= $cgi->a({-href => $to->{'href'}, -class => "path"},
2319 'b/' . esc_path($to->{'file'}));
2320 } else { # file was deleted
2321 $line .= 'b/' . esc_path($to->{'file'});
2322 }
2323 }
2324
2325 return "<div class=\"diff header\">$line</div>\n";
2326 }
2327
2328 # format extended diff header line, before patch itself
2329 sub format_extended_diff_header_line {
2330 my $line = shift;
2331 my $diffinfo = shift;
2332 my ($from, $to) = @_;
2333
2334 # match <path>
2335 if ($line =~ s!^((copy|rename) from ).*$!$1! && $from->{'href'}) {
2336 $line .= $cgi->a({-href=>$from->{'href'}, -class=>"path"},
2337 esc_path($from->{'file'}));
2338 }
2339 if ($line =~ s!^((copy|rename) to ).*$!$1! && $to->{'href'}) {
2340 $line .= $cgi->a({-href=>$to->{'href'}, -class=>"path"},
2341 esc_path($to->{'file'}));
2342 }
2343 # match single <mode>
2344 if ($line =~ m/\s(\d{6})$/) {
2345 $line .= '<span class="info"> (' .
2346 file_type_long($1) .
2347 ')</span>';
2348 }
2349 # match <hash>
2350 if ($line =~ oid_nlen_prefix_infix_regex($sha1_len, "index ", ",") |
2351 $line =~ oid_nlen_prefix_infix_regex($sha256_len, "index ", ",")) {
2352 # can match only for combined diff
2353 $line = 'index ';
2354 for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
2355 if ($from->{'href'}[$i]) {
2356 $line .= $cgi->a({-href=>$from->{'href'}[$i],
2357 -class=>"hash"},
2358 substr($diffinfo->{'from_id'}[$i],0,7));
2359 } else {
2360 $line .= '0' x 7;
2361 }
2362 # separator
2363 $line .= ',' if ($i < $diffinfo->{'nparents'} - 1);
2364 }
2365 $line .= '..';
2366 if ($to->{'href'}) {
2367 $line .= $cgi->a({-href=>$to->{'href'}, -class=>"hash"},
2368 substr($diffinfo->{'to_id'},0,7));
2369 } else {
2370 $line .= '0' x 7;
2371 }
2372
2373 } elsif ($line =~ oid_nlen_prefix_infix_regex($sha1_len, "index ", "..") |
2374 $line =~ oid_nlen_prefix_infix_regex($sha256_len, "index ", "..")) {
2375 # can match only for ordinary diff
2376 my ($from_link, $to_link);
2377 if ($from->{'href'}) {
2378 $from_link = $cgi->a({-href=>$from->{'href'}, -class=>"hash"},
2379 substr($diffinfo->{'from_id'},0,7));
2380 } else {
2381 $from_link = '0' x 7;
2382 }
2383 if ($to->{'href'}) {
2384 $to_link = $cgi->a({-href=>$to->{'href'}, -class=>"hash"},
2385 substr($diffinfo->{'to_id'},0,7));
2386 } else {
2387 $to_link = '0' x 7;
2388 }
2389 my ($from_id, $to_id) = ($diffinfo->{'from_id'}, $diffinfo->{'to_id'});
2390 $line =~ s!$from_id\.\.$to_id!$from_link..$to_link!;
2391 }
2392
2393 return $line . "<br/>\n";
2394 }
2395
2396 # format from-file/to-file diff header
2397 sub format_diff_from_to_header {
2398 my ($from_line, $to_line, $diffinfo, $from, $to, @parents) = @_;
2399 my $line;
2400 my $result = '';
2401
2402 $line = $from_line;
2403 #assert($line =~ m/^---/) if DEBUG;
2404 # no extra formatting for "^--- /dev/null"
2405 if (! $diffinfo->{'nparents'}) {
2406 # ordinary (single parent) diff
2407 if ($line =~ m!^--- "?a/!) {
2408 if ($from->{'href'}) {
2409 $line = '--- a/' .
2410 $cgi->a({-href=>$from->{'href'}, -class=>"path"},
2411 esc_path($from->{'file'}));
2412 } else {
2413 $line = '--- a/' .
2414 esc_path($from->{'file'});
2415 }
2416 }
2417 $result .= qq!<div class="diff from_file">$line</div>\n!;
2418
2419 } else {
2420 # combined diff (merge commit)
2421 for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
2422 if ($from->{'href'}[$i]) {
2423 $line = '--- ' .
2424 $cgi->a({-href=>href(action=>"blobdiff",
2425 hash_parent=>$diffinfo->{'from_id'}[$i],
2426 hash_parent_base=>$parents[$i],
2427 file_parent=>$from->{'file'}[$i],
2428 hash=>$diffinfo->{'to_id'},
2429 hash_base=>$hash,
2430 file_name=>$to->{'file'}),
2431 -class=>"path",
2432 -title=>"diff" . ($i+1)},
2433 $i+1) .
2434 '/' .
2435 $cgi->a({-href=>$from->{'href'}[$i], -class=>"path"},
2436 esc_path($from->{'file'}[$i]));
2437 } else {
2438 $line = '--- /dev/null';
2439 }
2440 $result .= qq!<div class="diff from_file">$line</div>\n!;
2441 }
2442 }
2443
2444 $line = $to_line;
2445 #assert($line =~ m/^\+\+\+/) if DEBUG;
2446 # no extra formatting for "^+++ /dev/null"
2447 if ($line =~ m!^\+\+\+ "?b/!) {
2448 if ($to->{'href'}) {
2449 $line = '+++ b/' .
2450 $cgi->a({-href=>$to->{'href'}, -class=>"path"},
2451 esc_path($to->{'file'}));
2452 } else {
2453 $line = '+++ b/' .
2454 esc_path($to->{'file'});
2455 }
2456 }
2457 $result .= qq!<div class="diff to_file">$line</div>\n!;
2458
2459 return $result;
2460 }
2461
2462 # create note for patch simplified by combined diff
2463 sub format_diff_cc_simplified {
2464 my ($diffinfo, @parents) = @_;
2465 my $result = '';
2466
2467 $result .= "<div class=\"diff header\">" .
2468 "diff --cc ";
2469 if (!is_deleted($diffinfo)) {
2470 $result .= $cgi->a({-href => href(action=>"blob",
2471 hash_base=>$hash,
2472 hash=>$diffinfo->{'to_id'},
2473 file_name=>$diffinfo->{'to_file'}),
2474 -class => "path"},
2475 esc_path($diffinfo->{'to_file'}));
2476 } else {
2477 $result .= esc_path($diffinfo->{'to_file'});
2478 }
2479 $result .= "</div>\n" . # class="diff header"
2480 "<div class=\"diff nodifferences\">" .
2481 "Simple merge" .
2482 "</div>\n"; # class="diff nodifferences"
2483
2484 return $result;
2485 }
2486
2487 sub diff_line_class {
2488 my ($line, $from, $to) = @_;
2489
2490 # ordinary diff
2491 my $num_sign = 1;
2492 # combined diff
2493 if ($from && $to && ref($from->{'href'}) eq "ARRAY") {
2494 $num_sign = scalar @{$from->{'href'}};
2495 }
2496
2497 my @diff_line_classifier = (
2498 { regexp => qr/^\@\@{$num_sign} /, class => "chunk_header"},
2499 { regexp => qr/^\\/, class => "incomplete" },
2500 { regexp => qr/^ {$num_sign}/, class => "ctx" },
2501 # classifier for context must come before classifier add/rem,
2502 # or we would have to use more complicated regexp, for example
2503 # qr/(?= {0,$m}\+)[+ ]{$num_sign}/, where $m = $num_sign - 1;
2504 { regexp => qr/^[+ ]{$num_sign}/, class => "add" },
2505 { regexp => qr/^[- ]{$num_sign}/, class => "rem" },
2506 );
2507 for my $clsfy (@diff_line_classifier) {
2508 return $clsfy->{'class'}
2509 if ($line =~ $clsfy->{'regexp'});
2510 }
2511
2512 # fallback
2513 return "";
2514 }
2515
2516 # assumes that $from and $to are defined and correctly filled,
2517 # and that $line holds a line of chunk header for unified diff
2518 sub format_unidiff_chunk_header {
2519 my ($line, $from, $to) = @_;
2520
2521 my ($from_text, $from_start, $from_lines, $to_text, $to_start, $to_lines, $section) =
2522 $line =~ m/^\@{2} (-(\d+)(?:,(\d+))?) (\+(\d+)(?:,(\d+))?) \@{2}(.*)$/;
2523
2524 $from_lines = 0 unless defined $from_lines;
2525 $to_lines = 0 unless defined $to_lines;
2526
2527 if ($from->{'href'}) {
2528 $from_text = $cgi->a({-href=>"$from->{'href'}#l$from_start",
2529 -class=>"list"}, $from_text);
2530 }
2531 if ($to->{'href'}) {
2532 $to_text = $cgi->a({-href=>"$to->{'href'}#l$to_start",
2533 -class=>"list"}, $to_text);
2534 }
2535 $line = "<span class=\"chunk_info\">@@ $from_text $to_text @@</span>" .
2536 "<span class=\"section\">" . esc_html($section, -nbsp=>1) . "</span>";
2537 return $line;
2538 }
2539
2540 # assumes that $from and $to are defined and correctly filled,
2541 # and that $line holds a line of chunk header for combined diff
2542 sub format_cc_diff_chunk_header {
2543 my ($line, $from, $to) = @_;
2544
2545 my ($prefix, $ranges, $section) = $line =~ m/^(\@+) (.*?) \@+(.*)$/;
2546 my (@from_text, @from_start, @from_nlines, $to_text, $to_start, $to_nlines);
2547
2548 @from_text = split(' ', $ranges);
2549 for (my $i = 0; $i < @from_text; ++$i) {
2550 ($from_start[$i], $from_nlines[$i]) =
2551 (split(',', substr($from_text[$i], 1)), 0);
2552 }
2553
2554 $to_text = pop @from_text;
2555 $to_start = pop @from_start;
2556 $to_nlines = pop @from_nlines;
2557
2558 $line = "<span class=\"chunk_info\">$prefix ";
2559 for (my $i = 0; $i < @from_text; ++$i) {
2560 if ($from->{'href'}[$i]) {
2561 $line .= $cgi->a({-href=>"$from->{'href'}[$i]#l$from_start[$i]",
2562 -class=>"list"}, $from_text[$i]);
2563 } else {
2564 $line .= $from_text[$i];
2565 }
2566 $line .= " ";
2567 }
2568 if ($to->{'href'}) {
2569 $line .= $cgi->a({-href=>"$to->{'href'}#l$to_start",
2570 -class=>"list"}, $to_text);
2571 } else {
2572 $line .= $to_text;
2573 }
2574 $line .= " $prefix</span>" .
2575 "<span class=\"section\">" . esc_html($section, -nbsp=>1) . "</span>";
2576 return $line;
2577 }
2578
2579 # process patch (diff) line (not to be used for diff headers),
2580 # returning HTML-formatted (but not wrapped) line.
2581 # If the line is passed as a reference, it is treated as HTML and not
2582 # esc_html()'ed.
2583 sub format_diff_line {
2584 my ($line, $diff_class, $from, $to) = @_;
2585
2586 if (ref($line)) {
2587 $line = $$line;
2588 } else {
2589 chomp $line;
2590 $line = untabify($line);
2591
2592 if ($from && $to && $line =~ m/^\@{2} /) {
2593 $line = format_unidiff_chunk_header($line, $from, $to);
2594 } elsif ($from && $to && $line =~ m/^\@{3}/) {
2595 $line = format_cc_diff_chunk_header($line, $from, $to);
2596 } else {
2597 $line = esc_html($line, -nbsp=>1);
2598 }
2599 }
2600
2601 my $diff_classes = "diff";
2602 $diff_classes .= " $diff_class" if ($diff_class);
2603 $line = "<div class=\"$diff_classes\">$line</div>\n";
2604
2605 return $line;
2606 }
2607
2608 # Generates undef or something like "_snapshot_" or "snapshot (_tbz2_ _zip_)",
2609 # linked. Pass the hash of the tree/commit to snapshot.
2610 sub format_snapshot_links {
2611 my ($hash) = @_;
2612 my $num_fmts = @snapshot_fmts;
2613 if ($num_fmts > 1) {
2614 # A parenthesized list of links bearing format names.
2615 # e.g. "snapshot (_tar.gz_ _zip_)"
2616 return "snapshot (" . join(' ', map
2617 $cgi->a({
2618 -href => href(
2619 action=>"snapshot",
2620 hash=>$hash,
2621 snapshot_format=>$_
2622 )
2623 }, $known_snapshot_formats{$_}{'display'})
2624 , @snapshot_fmts) . ")";
2625 } elsif ($num_fmts == 1) {
2626 # A single "snapshot" link whose tooltip bears the format name.
2627 # i.e. "_snapshot_"
2628 my ($fmt) = @snapshot_fmts;
2629 return
2630 $cgi->a({
2631 -href => href(
2632 action=>"snapshot",
2633 hash=>$hash,
2634 snapshot_format=>$fmt
2635 ),
2636 -title => "in format: $known_snapshot_formats{$fmt}{'display'}"
2637 }, "snapshot");
2638 } else { # $num_fmts == 0
2639 return undef;
2640 }
2641 }
2642
2643 ## ......................................................................
2644 ## functions returning values to be passed, perhaps after some
2645 ## transformation, to other functions; e.g. returning arguments to href()
2646
2647 # returns hash to be passed to href to generate gitweb URL
2648 # in -title key it returns description of link
2649 sub get_feed_info {
2650 my $format = shift || 'Atom';
2651 my %res = (action => lc($format));
2652 my $matched_ref = 0;
2653
2654 # feed links are possible only for project views
2655 return unless (defined $project);
2656 # some views should link to OPML, or to generic project feed,
2657 # or don't have specific feed yet (so they should use generic)
2658 return if (!$action || $action =~ /^(?:tags|heads|forks|tag|search)$/x);
2659
2660 my $branch = undef;
2661 # branches refs uses 'refs/' + $get_branch_refs()[x] + '/' prefix
2662 # (fullname) to differentiate from tag links; this also makes
2663 # possible to detect branch links
2664 for my $ref (get_branch_refs()) {
2665 if ((defined $hash_base && $hash_base =~ m!^refs/\Q$ref\E/(.*)$!) ||
2666 (defined $hash && $hash =~ m!^refs/\Q$ref\E/(.*)$!)) {
2667 $branch = $1;
2668 $matched_ref = $ref;
2669 last;
2670 }
2671 }
2672 # find log type for feed description (title)
2673 my $type = 'log';
2674 if (defined $file_name) {
2675 $type = "history of $file_name";
2676 $type .= "/" if ($action eq 'tree');
2677 $type .= " on '$branch'" if (defined $branch);
2678 } else {
2679 $type = "log of $branch" if (defined $branch);
2680 }
2681
2682 $res{-title} = $type;
2683 $res{'hash'} = (defined $branch ? "refs/$matched_ref/$branch" : undef);
2684 $res{'file_name'} = $file_name;
2685
2686 return %res;
2687 }
2688
2689 ## ----------------------------------------------------------------------
2690 ## git utility subroutines, invoking git commands
2691
2692 # returns path to the core git executable and the --git-dir parameter as list
2693 sub git_cmd {
2694 $number_of_git_cmds++;
2695 return $GIT, '--git-dir='.$git_dir;
2696 }
2697
2698 # quote the given arguments for passing them to the shell
2699 # quote_command("command", "arg 1", "arg with ' and ! characters")
2700 # => "'command' 'arg 1' 'arg with '\'' and '\!' characters'"
2701 # Try to avoid using this function wherever possible.
2702 sub quote_command {
2703 return join(' ',
2704 map { my $a = $_; $a =~ s/(['!])/'\\$1'/g; "'$a'" } @_ );
2705 }
2706
2707 # get HEAD ref of given project as hash
2708 sub git_get_head_hash {
2709 return git_get_full_hash(shift, 'HEAD');
2710 }
2711
2712 sub git_get_full_hash {
2713 return git_get_hash(@_);
2714 }
2715
2716 sub git_get_short_hash {
2717 return git_get_hash(@_, '--short=7');
2718 }
2719
2720 sub git_get_hash {
2721 my ($project, $hash, @options) = @_;
2722 my $o_git_dir = $git_dir;
2723 my $retval = undef;
2724 $git_dir = "$projectroot/$project";
2725 if (open my $fd, '-|', git_cmd(), 'rev-parse',
2726 '--verify', '-q', @options, $hash) {
2727 $retval = <$fd>;
2728 chomp $retval if defined $retval;
2729 close $fd;
2730 }
2731 if (defined $o_git_dir) {
2732 $git_dir = $o_git_dir;
2733 }
2734 return $retval;
2735 }
2736
2737 # get type of given object
2738 sub git_get_type {
2739 my $hash = shift;
2740
2741 open my $fd, "-|", git_cmd(), "cat-file", '-t', $hash or return;
2742 my $type = <$fd>;
2743 close $fd or return;
2744 chomp $type;
2745 return $type;
2746 }
2747
2748 # repository configuration
2749 our $config_file = '';
2750 our %config;
2751
2752 # store multiple values for single key as anonymous array reference
2753 # single values stored directly in the hash, not as [ <value> ]
2754 sub hash_set_multi {
2755 my ($hash, $key, $value) = @_;
2756
2757 if (!exists $hash->{$key}) {
2758 $hash->{$key} = $value;
2759 } elsif (!ref $hash->{$key}) {
2760 $hash->{$key} = [ $hash->{$key}, $value ];
2761 } else {
2762 push @{$hash->{$key}}, $value;
2763 }
2764 }
2765
2766 # return hash of git project configuration
2767 # optionally limited to some section, e.g. 'gitweb'
2768 sub git_parse_project_config {
2769 my $section_regexp = shift;
2770 my %config;
2771
2772 local $/ = "\0";
2773
2774 open my $fh, "-|", git_cmd(), "config", '-z', '-l',
2775 or return;
2776
2777 while (my $keyval = <$fh>) {
2778 chomp $keyval;
2779 my ($key, $value) = split(/\n/, $keyval, 2);
2780
2781 hash_set_multi(\%config, $key, $value)
2782 if (!defined $section_regexp || $key =~ /^(?:$section_regexp)\./o);
2783 }
2784 close $fh;
2785
2786 return %config;
2787 }
2788
2789 # convert config value to boolean: 'true' or 'false'
2790 # no value, number > 0, 'true' and 'yes' values are true
2791 # rest of values are treated as false (never as error)
2792 sub config_to_bool {
2793 my $val = shift;
2794
2795 return 1 if !defined $val; # section.key
2796
2797 # strip leading and trailing whitespace
2798 $val =~ s/^\s+//;
2799 $val =~ s/\s+$//;
2800
2801 return (($val =~ /^\d+$/ && $val) || # section.key = 1
2802 ($val =~ /^(?:true|yes)$/i)); # section.key = true
2803 }
2804
2805 # convert config value to simple decimal number
2806 # an optional value suffix of 'k', 'm', or 'g' will cause the value
2807 # to be multiplied by 1024, 1048576, or 1073741824
2808 sub config_to_int {
2809 my $val = shift;
2810
2811 # strip leading and trailing whitespace
2812 $val =~ s/^\s+//;
2813 $val =~ s/\s+$//;
2814
2815 if (my ($num, $unit) = ($val =~ /^([0-9]*)([kmg])$/i)) {
2816 $unit = lc($unit);
2817 # unknown unit is treated as 1
2818 return $num * ($unit eq 'g' ? 1073741824 :
2819 $unit eq 'm' ? 1048576 :
2820 $unit eq 'k' ? 1024 : 1);
2821 }
2822 return $val;
2823 }
2824
2825 # convert config value to array reference, if needed
2826 sub config_to_multi {
2827 my $val = shift;
2828
2829 return ref($val) ? $val : (defined($val) ? [ $val ] : []);
2830 }
2831
2832 sub git_get_project_config {
2833 my ($key, $type) = @_;
2834
2835 return unless defined $git_dir;
2836
2837 # key sanity check
2838 return unless ($key);
2839 # only subsection, if exists, is case sensitive,
2840 # and not lowercased by 'git config -z -l'
2841 if (my ($hi, $mi, $lo) = ($key =~ /^([^.]*)\.(.*)\.([^.]*)$/)) {
2842 $lo =~ s/_//g;
2843 $key = join(".", lc($hi), $mi, lc($lo));
2844 return if ($lo =~ /\W/ || $hi =~ /\W/);
2845 } else {
2846 $key = lc($key);
2847 $key =~ s/_//g;
2848 return if ($key =~ /\W/);
2849 }
2850 $key =~ s/^gitweb\.//;
2851
2852 # type sanity check
2853 if (defined $type) {
2854 $type =~ s/^--//;
2855 $type = undef
2856 unless ($type eq 'bool' || $type eq 'int');
2857 }
2858
2859 # get config
2860 if (!defined $config_file ||
2861 $config_file ne "$git_dir/config") {
2862 %config = git_parse_project_config('gitweb');
2863 $config_file = "$git_dir/config";
2864 }
2865
2866 # check if config variable (key) exists
2867 return unless exists $config{"gitweb.$key"};
2868
2869 # ensure given type
2870 if (!defined $type) {
2871 return $config{"gitweb.$key"};
2872 } elsif ($type eq 'bool') {
2873 # backward compatibility: 'git config --bool' returns true/false
2874 return config_to_bool($config{"gitweb.$key"}) ? 'true' : 'false';
2875 } elsif ($type eq 'int') {
2876 return config_to_int($config{"gitweb.$key"});
2877 }
2878 return $config{"gitweb.$key"};
2879 }
2880
2881 # get hash of given path at given ref
2882 sub git_get_hash_by_path {
2883 my $base = shift;
2884 my $path = shift || return undef;
2885 my $type = shift;
2886
2887 $path =~ s,/+$,,;
2888
2889 open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path
2890 or die_error(500, "Open git-ls-tree failed");
2891 my $line = <$fd>;
2892 close $fd or return undef;
2893
2894 if (!defined $line) {
2895 # there is no tree or hash given by $path at $base
2896 return undef;
2897 }
2898
2899 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
2900 $line =~ m/^([0-9]+) (.+) ($oid_regex)\t/;
2901 if (defined $type && $type ne $2) {
2902 # type doesn't match
2903 return undef;
2904 }
2905 return $3;
2906 }
2907
2908 # get path of entry with given hash at given tree-ish (ref)
2909 # used to get 'from' filename for combined diff (merge commit) for renames
2910 sub git_get_path_by_hash {
2911 my $base = shift || return;
2912 my $hash = shift || return;
2913
2914 local $/ = "\0";
2915
2916 open my $fd, "-|", git_cmd(), "ls-tree", '-r', '-t', '-z', $base
2917 or return undef;
2918 while (my $line = <$fd>) {
2919 chomp $line;
2920
2921 #'040000 tree 595596a6a9117ddba9fe379b6b012b558bac8423 gitweb'
2922 #'100644 blob e02e90f0429be0d2a69b76571101f20b8f75530f gitweb/README'
2923 if ($line =~ m/(?:[0-9]+) (?:.+) $hash\t(.+)$/) {
2924 close $fd;
2925 return $1;
2926 }
2927 }
2928 close $fd;
2929 return undef;
2930 }
2931
2932 ## ......................................................................
2933 ## git utility functions, directly accessing git repository
2934
2935 # get the value of config variable either from file named as the variable
2936 # itself in the repository ($GIT_DIR/$name file), or from gitweb.$name
2937 # configuration variable in the repository config file.
2938 sub git_get_file_or_project_config {
2939 my ($path, $name) = @_;
2940
2941 $git_dir = "$projectroot/$path";
2942 open my $fd, '<', "$git_dir/$name"
2943 or return git_get_project_config($name);
2944 my $conf = <$fd>;
2945 close $fd;
2946 if (defined $conf) {
2947 chomp $conf;
2948 }
2949 return $conf;
2950 }
2951
2952 sub git_get_project_description {
2953 my $path = shift;
2954 return git_get_file_or_project_config($path, 'description');
2955 }
2956
2957 sub git_get_project_category {
2958 my $path = shift;
2959 return git_get_file_or_project_config($path, 'category');
2960 }
2961
2962
2963 # supported formats:
2964 # * $GIT_DIR/ctags/<tagname> file (in 'ctags' subdirectory)
2965 # - if its contents is a number, use it as tag weight,
2966 # - otherwise add a tag with weight 1
2967 # * $GIT_DIR/ctags file, each line is a tag (with weight 1)
2968 # the same value multiple times increases tag weight
2969 # * `gitweb.ctag' multi-valued repo config variable
2970 sub git_get_project_ctags {
2971 my $project = shift;
2972 my $ctags = {};
2973
2974 $git_dir = "$projectroot/$project";
2975 if (opendir my $dh, "$git_dir/ctags") {
2976 my @files = grep { -f $_ } map { "$git_dir/ctags/$_" } readdir($dh);
2977 foreach my $tagfile (@files) {
2978 open my $ct, '<', $tagfile
2979 or next;
2980 my $val = <$ct>;
2981 chomp $val if $val;
2982 close $ct;
2983
2984 (my $ctag = $tagfile) =~ s#.*/##;
2985 if ($val =~ /^\d+$/) {
2986 $ctags->{$ctag} = $val;
2987 } else {
2988 $ctags->{$ctag} = 1;
2989 }
2990 }
2991 closedir $dh;
2992
2993 } elsif (open my $fh, '<', "$git_dir/ctags") {
2994 while (my $line = <$fh>) {
2995 chomp $line;
2996 $ctags->{$line}++ if $line;
2997 }
2998 close $fh;
2999
3000 } else {
3001 my $taglist = config_to_multi(git_get_project_config('ctag'));
3002 foreach my $tag (@$taglist) {
3003 $ctags->{$tag}++;
3004 }
3005 }
3006
3007 return $ctags;
3008 }
3009
3010 # return hash, where keys are content tags ('ctags'),
3011 # and values are sum of weights of given tag in every project
3012 sub git_gather_all_ctags {
3013 my $projects = shift;
3014 my $ctags = {};
3015
3016 foreach my $p (@$projects) {
3017 foreach my $ct (keys %{$p->{'ctags'}}) {
3018 $ctags->{$ct} += $p->{'ctags'}->{$ct};
3019 }
3020 }
3021
3022 return $ctags;
3023 }
3024
3025 sub git_populate_project_tagcloud {
3026 my $ctags = shift;
3027
3028 # First, merge different-cased tags; tags vote on casing
3029 my %ctags_lc;
3030 foreach (keys %$ctags) {
3031 $ctags_lc{lc $_}->{count} += $ctags->{$_};
3032 if (not $ctags_lc{lc $_}->{topcount}
3033 or $ctags_lc{lc $_}->{topcount} < $ctags->{$_}) {
3034 $ctags_lc{lc $_}->{topcount} = $ctags->{$_};
3035 $ctags_lc{lc $_}->{topname} = $_;
3036 }
3037 }
3038
3039 my $cloud;
3040 my $matched = $input_params{'ctag'};
3041 if (eval { require HTML::TagCloud; 1; }) {
3042 $cloud = HTML::TagCloud->new;
3043 foreach my $ctag (sort keys %ctags_lc) {
3044 # Pad the title with spaces so that the cloud looks
3045 # less crammed.
3046 my $title = esc_html($ctags_lc{$ctag}->{topname});
3047 $title =~ s/ /&nbsp;/g;
3048 $title =~ s/^/&nbsp;/g;
3049 $title =~ s/$/&nbsp;/g;
3050 if (defined $matched && $matched eq $ctag) {
3051 $title = qq(<span class="match">$title</span>);
3052 }
3053 $cloud->add($title, href(project=>undef, ctag=>$ctag),
3054 $ctags_lc{$ctag}->{count});
3055 }
3056 } else {
3057 $cloud = {};
3058 foreach my $ctag (keys %ctags_lc) {
3059 my $title = esc_html($ctags_lc{$ctag}->{topname}, -nbsp=>1);
3060 if (defined $matched && $matched eq $ctag) {
3061 $title = qq(<span class="match">$title</span>);
3062 }
3063 $cloud->{$ctag}{count} = $ctags_lc{$ctag}->{count};
3064 $cloud->{$ctag}{ctag} =
3065 $cgi->a({-href=>href(project=>undef, ctag=>$ctag)}, $title);
3066 }
3067 }
3068 return $cloud;
3069 }
3070
3071 sub git_show_project_tagcloud {
3072 my ($cloud, $count) = @_;
3073 if (ref $cloud eq 'HTML::TagCloud') {
3074 return $cloud->html_and_css($count);
3075 } else {
3076 my @tags = sort { $cloud->{$a}->{'count'} <=> $cloud->{$b}->{'count'} } keys %$cloud;
3077 return
3078 '<div id="htmltagcloud"'.($project ? '' : ' align="center"').'>' .
3079 join (', ', map {
3080 $cloud->{$_}->{'ctag'}
3081 } splice(@tags, 0, $count)) .
3082 '</div>';
3083 }
3084 }
3085
3086 sub git_get_project_url_list {
3087 my $path = shift;
3088
3089 $git_dir = "$projectroot/$path";
3090 open my $fd, '<', "$git_dir/cloneurl"
3091 or return wantarray ?
3092 @{ config_to_multi(git_get_project_config('url')) } :
3093 config_to_multi(git_get_project_config('url'));
3094 my @git_project_url_list = map { chomp; $_ } <$fd>;
3095 close $fd;
3096
3097 return wantarray ? @git_project_url_list : \@git_project_url_list;
3098 }
3099
3100 sub git_get_projects_list {
3101 my $filter = shift || '';
3102 my $paranoid = shift;
3103 my @list;
3104
3105 if (-d $projects_list) {
3106 # search in directory
3107 my $dir = $projects_list;
3108 # remove the trailing "/"
3109 $dir =~ s!/+$!!;
3110 my $pfxlen = length("$dir");
3111 my $pfxdepth = ($dir =~ tr!/!!);
3112 # when filtering, search only given subdirectory
3113 if ($filter && !$paranoid) {
3114 $dir .= "/$filter";
3115 $dir =~ s!/+$!!;
3116 }
3117
3118 File::Find::find({
3119 follow_fast => 1, # follow symbolic links
3120 follow_skip => 2, # ignore duplicates
3121 dangling_symlinks => 0, # ignore dangling symlinks, silently
3122 wanted => sub {
3123 # global variables
3124 our $project_maxdepth;
3125 our $projectroot;
3126 # skip project-list toplevel, if we get it.
3127 return if (m!^[/.]$!);
3128 # only directories can be git repositories
3129 return unless (-d $_);
3130 # need search permission
3131 return unless (-x $_);
3132 # don't traverse too deep (Find is super slow on os x)
3133 # $project_maxdepth excludes depth of $projectroot
3134 if (($File::Find::name =~ tr!/!!) - $pfxdepth > $project_maxdepth) {
3135 $File::Find::prune = 1;
3136 return;
3137 }
3138
3139 my $path = substr($File::Find::name, $pfxlen + 1);
3140 # paranoidly only filter here
3141 if ($paranoid && $filter && $path !~ m!^\Q$filter\E/!) {
3142 next;
3143 }
3144 # we check related file in $projectroot
3145 if (check_export_ok("$projectroot/$path")) {
3146 push @list, { path => $path };
3147 $File::Find::prune = 1;
3148 }
3149 },
3150 }, "$dir");
3151
3152 } elsif (-f $projects_list) {
3153 # read from file(url-encoded):
3154 # 'git%2Fgit.git Linus+Torvalds'
3155 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
3156 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
3157 open my $fd, '<', $projects_list or return;
3158 PROJECT:
3159 while (my $line = <$fd>) {
3160 chomp $line;
3161 my ($path, $owner) = split ' ', $line;
3162 $path = unescape($path);
3163 $owner = unescape($owner);
3164 if (!defined $path) {
3165 next;
3166 }
3167 # if $filter is rpovided, check if $path begins with $filter
3168 if ($filter && $path !~ m!^\Q$filter\E/!) {
3169 next;
3170 }
3171 if (check_export_ok("$projectroot/$path")) {
3172 my $pr = {
3173 path => $path
3174 };
3175 if ($owner) {
3176 $pr->{'owner'} = to_utf8($owner);
3177 }
3178 push @list, $pr;
3179 }
3180 }
3181 close $fd;
3182 }
3183 return @list;
3184 }
3185
3186 # written with help of Tree::Trie module (Perl Artistic License, GPL compatible)
3187 # as side effects it sets 'forks' field to list of forks for forked projects
3188 sub filter_forks_from_projects_list {
3189 my $projects = shift;
3190
3191 my %trie; # prefix tree of directories (path components)
3192 # generate trie out of those directories that might contain forks
3193 foreach my $pr (@$projects) {
3194 my $path = $pr->{'path'};
3195 $path =~ s/\.git$//; # forks of 'repo.git' are in 'repo/' directory
3196 next if ($path =~ m!/$!); # skip non-bare repositories, e.g. 'repo/.git'
3197 next unless ($path); # skip '.git' repository: tests, git-instaweb
3198 next unless (-d "$projectroot/$path"); # containing directory exists
3199 $pr->{'forks'} = []; # there can be 0 or more forks of project
3200
3201 # add to trie
3202 my @dirs = split('/', $path);
3203 # walk the trie, until either runs out of components or out of trie
3204 my $ref = \%trie;
3205 while (scalar @dirs &&
3206 exists($ref->{$dirs[0]})) {
3207 $ref = $ref->{shift @dirs};
3208 }
3209 # create rest of trie structure from rest of components
3210 foreach my $dir (@dirs) {
3211 $ref = $ref->{$dir} = {};
3212 }
3213 # create end marker, store $pr as a data
3214 $ref->{''} = $pr if (!exists $ref->{''});
3215 }
3216
3217 # filter out forks, by finding shortest prefix match for paths
3218 my @filtered;
3219 PROJECT:
3220 foreach my $pr (@$projects) {
3221 # trie lookup
3222 my $ref = \%trie;
3223 DIR:
3224 foreach my $dir (split('/', $pr->{'path'})) {
3225 if (exists $ref->{''}) {
3226 # found [shortest] prefix, is a fork - skip it
3227 push @{$ref->{''}{'forks'}}, $pr;
3228 next PROJECT;
3229 }
3230 if (!exists $ref->{$dir}) {
3231 # not in trie, cannot have prefix, not a fork
3232 push @filtered, $pr;
3233 next PROJECT;
3234 }
3235 # If the dir is there, we just walk one step down the trie.
3236 $ref = $ref->{$dir};
3237 }
3238 # we ran out of trie
3239 # (shouldn't happen: it's either no match, or end marker)
3240 push @filtered, $pr;
3241 }
3242
3243 return @filtered;
3244 }
3245
3246 # note: fill_project_list_info must be run first,
3247 # for 'descr_long' and 'ctags' to be filled
3248 sub search_projects_list {
3249 my ($projlist, %opts) = @_;
3250 my $tagfilter = $opts{'tagfilter'};
3251 my $search_re = $opts{'search_regexp'};
3252
3253 return @$projlist
3254 unless ($tagfilter || $search_re);
3255
3256 # searching projects require filling to be run before it;
3257 fill_project_list_info($projlist,
3258 $tagfilter ? 'ctags' : (),
3259 $search_re ? ('path', 'descr') : ());
3260 my @projects;
3261 PROJECT:
3262 foreach my $pr (@$projlist) {
3263
3264 if ($tagfilter) {
3265 next unless ref($pr->{'ctags'}) eq 'HASH';
3266 next unless
3267 grep { lc($_) eq lc($tagfilter) } keys %{$pr->{'ctags'}};
3268 }
3269
3270 if ($search_re) {
3271 next unless
3272 $pr->{'path'} =~ /$search_re/ ||
3273 $pr->{'descr_long'} =~ /$search_re/;
3274 }
3275
3276 push @projects, $pr;
3277 }
3278
3279 return @projects;
3280 }
3281
3282 our $gitweb_project_owner = undef;
3283 sub git_get_project_list_from_file {
3284
3285 return if (defined $gitweb_project_owner);
3286
3287 $gitweb_project_owner = {};
3288 # read from file (url-encoded):
3289 # 'git%2Fgit.git Linus+Torvalds'
3290 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
3291 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
3292 if (-f $projects_list) {
3293 open(my $fd, '<', $projects_list);
3294 while (my $line = <$fd>) {
3295 chomp $line;
3296 my ($pr, $ow) = split ' ', $line;
3297 $pr = unescape($pr);
3298 $ow = unescape($ow);
3299 $gitweb_project_owner->{$pr} = to_utf8($ow);
3300 }
3301 close $fd;
3302 }
3303 }
3304
3305 sub git_get_project_owner {
3306 my $project = shift;
3307 my $owner;
3308
3309 return undef unless $project;
3310 $git_dir = "$projectroot/$project";
3311
3312 if (!defined $gitweb_project_owner) {
3313 git_get_project_list_from_file();
3314 }
3315
3316 if (exists $gitweb_project_owner->{$project}) {
3317 $owner = $gitweb_project_owner->{$project};
3318 }
3319 if (!defined $owner){
3320 $owner = git_get_project_config('owner');
3321 }
3322 if (!defined $owner) {
3323 $owner = get_file_owner("$git_dir");
3324 }
3325
3326 return $owner;
3327 }
3328
3329 sub git_get_last_activity {
3330 my ($path) = @_;
3331 my $fd;
3332
3333 $git_dir = "$projectroot/$path";
3334 open($fd, "-|", git_cmd(), 'for-each-ref',
3335 '--format=%(committer)',
3336 '--sort=-committerdate',
3337 '--count=1',
3338 map { "refs/$_" } get_branch_refs ()) or return;
3339 my $most_recent = <$fd>;
3340 close $fd or return;
3341 if (defined $most_recent &&
3342 $most_recent =~ / (\d+) [-+][01]\d\d\d$/) {
3343 my $timestamp = $1;
3344 my $age = time - $timestamp;
3345 return ($age, age_string($age));
3346 }
3347 return (undef, undef);
3348 }
3349
3350 # Implementation note: when a single remote is wanted, we cannot use 'git
3351 # remote show -n' because that command always work (assuming it's a remote URL
3352 # if it's not defined), and we cannot use 'git remote show' because that would
3353 # try to make a network roundtrip. So the only way to find if that particular
3354 # remote is defined is to walk the list provided by 'git remote -v' and stop if
3355 # and when we find what we want.
3356 sub git_get_remotes_list {
3357 my $wanted = shift;
3358 my %remotes = ();
3359
3360 open my $fd, '-|' , git_cmd(), 'remote', '-v';
3361 return unless $fd;
3362 while (my $remote = <$fd>) {
3363 chomp $remote;
3364 $remote =~ s!\t(.*?)\s+\((\w+)\)$!!;
3365 next if $wanted and not $remote eq $wanted;
3366 my ($url, $key) = ($1, $2);
3367
3368 $remotes{$remote} ||= { 'heads' => () };
3369 $remotes{$remote}{$key} = $url;
3370 }
3371 close $fd or return;
3372 return wantarray ? %remotes : \%remotes;
3373 }
3374
3375 # Takes a hash of remotes as first parameter and fills it by adding the
3376 # available remote heads for each of the indicated remotes.
3377 sub fill_remote_heads {
3378 my $remotes = shift;
3379 my @heads = map { "remotes/$_" } keys %$remotes;
3380 my @remoteheads = git_get_heads_list(undef, @heads);
3381 foreach my $remote (keys %$remotes) {
3382 $remotes->{$remote}{'heads'} = [ grep {
3383 $_->{'name'} =~ s!^$remote/!!
3384 } @remoteheads ];
3385 }
3386 }
3387
3388 sub git_get_references {
3389 my $type = shift || "";
3390 my %refs;
3391 # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c refs/tags/v2.6.11
3392 # c39ae07f393806ccf406ef966e9a15afc43cc36a refs/tags/v2.6.11^{}
3393 open my $fd, "-|", git_cmd(), "show-ref", "--dereference",
3394 ($type ? ("--", "refs/$type") : ()) # use -- <pattern> if $type
3395 or return;
3396
3397 while (my $line = <$fd>) {
3398 chomp $line;
3399 if ($line =~ m!^($oid_regex)\srefs/($type.*)$!) {
3400 if (defined $refs{$1}) {
3401 push @{$refs{$1}}, $2;
3402 } else {
3403 $refs{$1} = [ $2 ];
3404 }
3405 }
3406 }
3407 close $fd or return;
3408 return \%refs;
3409 }
3410
3411 sub git_get_rev_name_tags {
3412 my $hash = shift || return undef;
3413
3414 open my $fd, "-|", git_cmd(), "name-rev", "--tags", $hash
3415 or return;
3416 my $name_rev = <$fd>;
3417 close $fd;
3418
3419 if ($name_rev =~ m|^$hash tags/(.*)$|) {
3420 return $1;
3421 } else {
3422 # catches also '$hash undefined' output
3423 return undef;
3424 }
3425 }
3426
3427 ## ----------------------------------------------------------------------
3428 ## parse to hash functions
3429
3430 sub parse_date {
3431 my $epoch = shift;
3432 my $tz = shift || "-0000";
3433
3434 my %date;
3435 my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
3436 my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
3437 my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
3438 $date{'hour'} = $hour;
3439 $date{'minute'} = $min;
3440 $date{'mday'} = $mday;
3441 $date{'day'} = $days[$wday];
3442 $date{'month'} = $months[$mon];
3443 $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
3444 $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
3445 $date{'mday-time'} = sprintf "%d %s %02d:%02d",
3446 $mday, $months[$mon], $hour ,$min;
3447 $date{'iso-8601'} = sprintf "%04d-%02d-%02dT%02d:%02d:%02dZ",
3448 1900+$year, 1+$mon, $mday, $hour ,$min, $sec;
3449
3450 my ($tz_sign, $tz_hour, $tz_min) =
3451 ($tz =~ m/^([-+])(\d\d)(\d\d)$/);
3452 $tz_sign = ($tz_sign eq '-' ? -1 : +1);
3453 my $local = $epoch + $tz_sign*((($tz_hour*60) + $tz_min)*60);
3454 ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
3455 $date{'hour_local'} = $hour;
3456 $date{'minute_local'} = $min;
3457 $date{'tz_local'} = $tz;
3458 $date{'iso-tz'} = sprintf("%04d-%02d-%02d %02d:%02d:%02d %s",
3459 1900+$year, $mon+1, $mday,
3460 $hour, $min, $sec, $tz);
3461 return %date;
3462 }
3463
3464 sub hide_mailaddrs_if_private {
3465 my $line = shift;
3466 return $line unless gitweb_check_feature('email-privacy');
3467 $line =~ s/<[^@>]+@[^>]+>/<redacted>/g;
3468 return $line;
3469 }
3470
3471 sub parse_tag {
3472 my $tag_id = shift;
3473 my %tag;
3474 my @comment;
3475
3476 open my $fd, "-|", git_cmd(), "cat-file", "tag", $tag_id or return;
3477 $tag{'id'} = $tag_id;
3478 while (my $line = <$fd>) {
3479 chomp $line;
3480 if ($line =~ m/^object ($oid_regex)$/) {
3481 $tag{'object'} = $1;
3482 } elsif ($line =~ m/^type (.+)$/) {
3483 $tag{'type'} = $1;
3484 } elsif ($line =~ m/^tag (.+)$/) {
3485 $tag{'name'} = $1;
3486 } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
3487 $tag{'author'} = hide_mailaddrs_if_private($1);
3488 $tag{'author_epoch'} = $2;
3489 $tag{'author_tz'} = $3;
3490 if ($tag{'author'} =~ m/^([^<]+) <([^>]*)>/) {
3491 $tag{'author_name'} = $1;
3492 $tag{'author_email'} = $2;
3493 } else {
3494 $tag{'author_name'} = $tag{'author'};
3495 }
3496 } elsif ($line =~ m/--BEGIN/) {
3497 push @comment, $line;
3498 last;
3499 } elsif ($line eq "") {
3500 last;
3501 }
3502 }
3503 push @comment, <$fd>;
3504 $tag{'comment'} = \@comment;
3505 close $fd or return;
3506 if (!defined $tag{'name'}) {
3507 return
3508 };
3509 return %tag
3510 }
3511
3512 sub parse_commit_text {
3513 my ($commit_text, $withparents) = @_;
3514 my @commit_lines = split '\n', $commit_text;
3515 my %co;
3516
3517 pop @commit_lines; # Remove '\0'
3518
3519 if (! @commit_lines) {
3520 return;
3521 }
3522
3523 my $header = shift @commit_lines;
3524 if ($header !~ m/^$oid_regex/) {
3525 return;
3526 }
3527 ($co{'id'}, my @parents) = split ' ', $header;
3528 while (my $line = shift @commit_lines) {
3529 last if $line eq "\n";
3530 if ($line =~ m/^tree ($oid_regex)$/) {
3531 $co{'tree'} = $1;
3532 } elsif ((!defined $withparents) && ($line =~ m/^parent ($oid_regex)$/)) {
3533 push @parents, $1;
3534 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
3535 $co{'author'} = hide_mailaddrs_if_private(to_utf8($1));
3536 $co{'author_epoch'} = $2;
3537 $co{'author_tz'} = $3;
3538 if ($co{'author'} =~ m/^([^<]+) <([^>]*)>/) {
3539 $co{'author_name'} = $1;
3540 $co{'author_email'} = $2;
3541 } else {
3542 $co{'author_name'} = $co{'author'};
3543 }
3544 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
3545 $co{'committer'} = hide_mailaddrs_if_private(to_utf8($1));
3546 $co{'committer_epoch'} = $2;
3547 $co{'committer_tz'} = $3;
3548 if ($co{'committer'} =~ m/^([^<]+) <([^>]*)>/) {
3549 $co{'committer_name'} = $1;
3550 $co{'committer_email'} = $2;
3551 } else {
3552 $co{'committer_name'} = $co{'committer'};
3553 }
3554 }
3555 }
3556 if (!defined $co{'tree'}) {
3557 return;
3558 };
3559 $co{'parents'} = \@parents;
3560 $co{'parent'} = $parents[0];
3561
3562 foreach my $title (@commit_lines) {
3563 $title =~ s/^ //;
3564 if ($title ne "") {
3565 $co{'title'} = chop_str($title, 80, 5);
3566 $co{'title_short'} = chop_str($title, 50, 5);
3567 last;
3568 }
3569 }
3570 if (! defined $co{'title'} || $co{'title'} eq "") {
3571 $co{'title'} = $co{'title_short'} = '(no commit message)';
3572 }
3573 # remove added spaces, redact e-mail addresses if applicable.
3574 foreach my $line (@commit_lines) {
3575 $line =~ s/^ //;
3576 $line = hide_mailaddrs_if_private($line);
3577 }
3578 $co{'comment'} = \@commit_lines;
3579
3580 my $age = time - $co{'committer_epoch'};
3581 $co{'age'} = $age;
3582 $co{'age_string'} = age_string($age);
3583 my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
3584 if ($age > 60*60*24*7*2) {
3585 $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
3586 $co{'age_string_age'} = $co{'age_string'};
3587 } else {
3588 $co{'age_string_date'} = $co{'age_string'};
3589 $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
3590 }
3591 return %co;
3592 }
3593
3594 sub parse_commit {
3595 my ($commit_id) = @_;
3596 my %co;
3597
3598 local $/ = "\0";
3599
3600 open my $fd, "-|", git_cmd(), "rev-list",
3601 "--parents",
3602 "--header",
3603 "--max-count=1",
3604 $commit_id,
3605 "--",
3606 or die_error(500, "Open git-rev-list failed");
3607 %co = parse_commit_text(<$fd>, 1);
3608 close $fd;
3609
3610 return %co;
3611 }
3612
3613 sub parse_commits {
3614 my ($commit_id, $maxcount, $skip, $filename, @args) = @_;
3615 my @cos;
3616
3617 $maxcount ||= 1;
3618 $skip ||= 0;
3619
3620 local $/ = "\0";
3621
3622 open my $fd, "-|", git_cmd(), "rev-list",
3623 "--header",
3624 @args,
3625 ("--max-count=" . $maxcount),
3626 ("--skip=" . $skip),
3627 @extra_options,
3628 $commit_id,
3629 "--",
3630 ($filename ? ($filename) : ())
3631 or die_error(500, "Open git-rev-list failed");
3632 while (my $line = <$fd>) {
3633 my %co = parse_commit_text($line);
3634 push @cos, \%co;
3635 }
3636 close $fd;
3637
3638 return wantarray ? @cos : \@cos;
3639 }
3640
3641 # parse line of git-diff-tree "raw" output
3642 sub parse_difftree_raw_line {
3643 my $line = shift;
3644 my %res;
3645
3646 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M ls-files.c'
3647 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M rev-tree.c'
3648 if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ($oid_regex) ($oid_regex) (.)([0-9]{0,3})\t(.*)$/) {
3649 $res{'from_mode'} = $1;
3650 $res{'to_mode'} = $2;
3651 $res{'from_id'} = $3;
3652 $res{'to_id'} = $4;
3653 $res{'status'} = $5;
3654 $res{'similarity'} = $6;
3655 if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
3656 ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
3657 } else {
3658 $res{'from_file'} = $res{'to_file'} = $res{'file'} = unquote($7);
3659 }
3660 }
3661 # '::100755 100755 100755 60e79ca1b01bc8b057abe17ddab484699a7f5fdb 94067cc5f73388f33722d52ae02f44692bc07490 94067cc5f73388f33722d52ae02f44692bc07490 MR git-gui/git-gui.sh'
3662 # combined diff (for merge commit)
3663 elsif ($line =~ s/^(::+)((?:[0-7]{6} )+)((?:$oid_regex )+)([a-zA-Z]+)\t(.*)$//) {
3664 $res{'nparents'} = length($1);
3665 $res{'from_mode'} = [ split(' ', $2) ];
3666 $res{'to_mode'} = pop @{$res{'from_mode'}};
3667 $res{'from_id'} = [ split(' ', $3) ];
3668 $res{'to_id'} = pop @{$res{'from_id'}};
3669 $res{'status'} = [ split('', $4) ];
3670 $res{'to_file'} = unquote($5);
3671 }
3672 # 'c512b523472485aef4fff9e57b229d9d243c967f'
3673 elsif ($line =~ m/^($oid_regex)$/) {
3674 $res{'commit'} = $1;
3675 }
3676
3677 return wantarray ? %res : \%res;
3678 }
3679
3680 # wrapper: return parsed line of git-diff-tree "raw" output
3681 # (the argument might be raw line, or parsed info)
3682 sub parsed_difftree_line {
3683 my $line_or_ref = shift;
3684
3685 if (ref($line_or_ref) eq "HASH") {
3686 # pre-parsed (or generated by hand)
3687 return $line_or_ref;
3688 } else {
3689 return parse_difftree_raw_line($line_or_ref);
3690 }
3691 }
3692
3693 # parse line of git-ls-tree output
3694 sub parse_ls_tree_line {
3695 my $line = shift;
3696 my %opts = @_;
3697 my %res;
3698
3699 if ($opts{'-l'}) {
3700 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa 16717 panic.c'
3701 $line =~ m/^([0-9]+) (.+) ($oid_regex) +(-|[0-9]+)\t(.+)$/s;
3702
3703 $res{'mode'} = $1;
3704 $res{'type'} = $2;
3705 $res{'hash'} = $3;
3706 $res{'size'} = $4;
3707 if ($opts{'-z'}) {
3708 $res{'name'} = $5;
3709 } else {
3710 $res{'name'} = unquote($5);
3711 }
3712 } else {
3713 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
3714 $line =~ m/^([0-9]+) (.+) ($oid_regex)\t(.+)$/s;
3715
3716 $res{'mode'} = $1;
3717 $res{'type'} = $2;
3718 $res{'hash'} = $3;
3719 if ($opts{'-z'}) {
3720 $res{'name'} = $4;
3721 } else {
3722 $res{'name'} = unquote($4);
3723 }
3724 }
3725
3726 return wantarray ? %res : \%res;
3727 }
3728
3729 # generates _two_ hashes, references to which are passed as 2 and 3 argument
3730 sub parse_from_to_diffinfo {
3731 my ($diffinfo, $from, $to, @parents) = @_;
3732
3733 if ($diffinfo->{'nparents'}) {
3734 # combined diff
3735 $from->{'file'} = [];
3736 $from->{'href'} = [];
3737 fill_from_file_info($diffinfo, @parents)
3738 unless exists $diffinfo->{'from_file'};
3739 for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
3740 $from->{'file'}[$i] =
3741 defined $diffinfo->{'from_file'}[$i] ?
3742 $diffinfo->{'from_file'}[$i] :
3743 $diffinfo->{'to_file'};
3744 if ($diffinfo->{'status'}[$i] ne "A") { # not new (added) file
3745 $from->{'href'}[$i] = href(action=>"blob",
3746 hash_base=>$parents[$i],
3747 hash=>$diffinfo->{'from_id'}[$i],
3748 file_name=>$from->{'file'}[$i]);
3749 } else {
3750 $from->{'href'}[$i] = undef;
3751 }
3752 }
3753 } else {
3754 # ordinary (not combined) diff
3755 $from->{'file'} = $diffinfo->{'from_file'};
3756 if ($diffinfo->{'status'} ne "A") { # not new (added) file
3757 $from->{'href'} = href(action=>"blob", hash_base=>$hash_parent,
3758 hash=>$diffinfo->{'from_id'},
3759 file_name=>$from->{'file'});
3760 } else {
3761 delete $from->{'href'};
3762 }
3763 }
3764
3765 $to->{'file'} = $diffinfo->{'to_file'};
3766 if (!is_deleted($diffinfo)) { # file exists in result
3767 $to->{'href'} = href(action=>"blob", hash_base=>$hash,
3768 hash=>$diffinfo->{'to_id'},
3769 file_name=>$to->{'file'});
3770 } else {
3771 delete $to->{'href'};
3772 }
3773 }
3774
3775 ## ......................................................................
3776 ## parse to array of hashes functions
3777
3778 sub git_get_heads_list {
3779 my ($limit, @classes) = @_;
3780 @classes = get_branch_refs() unless @classes;
3781 my @patterns = map { "refs/$_" } @classes;
3782 my @headslist;
3783
3784 open my $fd, '-|', git_cmd(), 'for-each-ref',
3785 ($limit ? '--count='.($limit+1) : ()),
3786 '--sort=-HEAD', '--sort=-committerdate',
3787 '--format=%(objectname) %(refname) %(subject)%00%(committer)',
3788 @patterns
3789 or return;
3790 while (my $line = <$fd>) {
3791 my %ref_item;
3792
3793 chomp $line;
3794 my ($refinfo, $committerinfo) = split(/\0/, $line);
3795 my ($hash, $name, $title) = split(' ', $refinfo, 3);
3796 my ($committer, $epoch, $tz) =
3797 ($committerinfo =~ /^(.*) ([0-9]+) (.*)$/);
3798 $ref_item{'fullname'} = $name;
3799 my $strip_refs = join '|', map { quotemeta } get_branch_refs();
3800 $name =~ s!^refs/($strip_refs|remotes)/!!;
3801 $ref_item{'name'} = $name;
3802 # for refs neither in 'heads' nor 'remotes' we want to
3803 # show their ref dir
3804 my $ref_dir = (defined $1) ? $1 : '';
3805 if ($ref_dir ne '' and $ref_dir ne 'heads' and $ref_dir ne 'remotes') {
3806 $ref_item{'name'} .= ' (' . $ref_dir . ')';
3807 }
3808
3809 $ref_item{'id'} = $hash;
3810 $ref_item{'title'} = $title || '(no commit message)';
3811 $ref_item{'epoch'} = $epoch;
3812 if ($epoch) {
3813 $ref_item{'age'} = age_string(time - $ref_item{'epoch'});
3814 } else {
3815 $ref_item{'age'} = "unknown";
3816 }
3817
3818 push @headslist, \%ref_item;
3819 }
3820 close $fd;
3821
3822 return wantarray ? @headslist : \@headslist;
3823 }
3824
3825 sub git_get_tags_list {
3826 my $limit = shift;
3827 my @tagslist;
3828
3829 open my $fd, '-|', git_cmd(), 'for-each-ref',
3830 ($limit ? '--count='.($limit+1) : ()), '--sort=-creatordate',
3831 '--format=%(objectname) %(objecttype) %(refname) '.
3832 '%(*objectname) %(*objecttype) %(subject)%00%(creator)',
3833 'refs/tags'
3834 or return;
3835 while (my $line = <$fd>) {
3836 my %ref_item;
3837
3838 chomp $line;
3839 my ($refinfo, $creatorinfo) = split(/\0/, $line);
3840 my ($id, $type, $name, $refid, $reftype, $title) = split(' ', $refinfo, 6);
3841 my ($creator, $epoch, $tz) =
3842 ($creatorinfo =~ /^(.*) ([0-9]+) (.*)$/);
3843 $ref_item{'fullname'} = $name;
3844 $name =~ s!^refs/tags/!!;
3845
3846 $ref_item{'type'} = $type;
3847 $ref_item{'id'} = $id;
3848 $ref_item{'name'} = $name;
3849 if ($type eq "tag") {
3850 $ref_item{'subject'} = $title;
3851 $ref_item{'reftype'} = $reftype;
3852 $ref_item{'refid'} = $refid;
3853 } else {
3854 $ref_item{'reftype'} = $type;
3855 $ref_item{'refid'} = $id;
3856 }
3857
3858 if ($type eq "tag" || $type eq "commit") {
3859 $ref_item{'epoch'} = $epoch;
3860 if ($epoch) {
3861 $ref_item{'age'} = age_string(time - $ref_item{'epoch'});
3862 } else {
3863 $ref_item{'age'} = "unknown";
3864 }
3865 }
3866
3867 push @tagslist, \%ref_item;
3868 }
3869 close $fd;
3870
3871 return wantarray ? @tagslist : \@tagslist;
3872 }
3873
3874 ## ----------------------------------------------------------------------
3875 ## filesystem-related functions
3876
3877 sub get_file_owner {
3878 my $path = shift;
3879
3880 my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
3881 my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
3882 if (!defined $gcos) {
3883 return undef;
3884 }
3885 my $owner = $gcos;
3886 $owner =~ s/[,;].*$//;
3887 return to_utf8($owner);
3888 }
3889
3890 # assume that file exists
3891 sub insert_file {
3892 my $filename = shift;
3893
3894 open my $fd, '<', $filename;
3895 print map { to_utf8($_) } <$fd>;
3896 close $fd;
3897 }
3898
3899 ## ......................................................................
3900 ## mimetype related functions
3901
3902 sub mimetype_guess_file {
3903 my $filename = shift;
3904 my $mimemap = shift;
3905 -r $mimemap or return undef;
3906
3907 my %mimemap;
3908 open(my $mh, '<', $mimemap) or return undef;
3909 while (<$mh>) {
3910 next if m/^#/; # skip comments
3911 my ($mimetype, @exts) = split(/\s+/);
3912 foreach my $ext (@exts) {
3913 $mimemap{$ext} = $mimetype;
3914 }
3915 }
3916 close($mh);
3917
3918 $filename =~ /\.([^.]*)$/;
3919 return $mimemap{$1};
3920 }
3921
3922 sub mimetype_guess {
3923 my $filename = shift;
3924 my $mime;
3925 $filename =~ /\./ or return undef;
3926
3927 if ($mimetypes_file) {
3928 my $file = $mimetypes_file;
3929 if ($file !~ m!^/!) { # if it is relative path
3930 # it is relative to project
3931 $file = "$projectroot/$project/$file";
3932 }
3933 $mime = mimetype_guess_file($filename, $file);
3934 }
3935 $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
3936 return $mime;
3937 }
3938
3939 sub blob_mimetype {
3940 my $fd = shift;
3941 my $filename = shift;
3942
3943 if ($filename) {
3944 my $mime = mimetype_guess($filename);
3945 $mime and return $mime;
3946 }
3947
3948 # just in case
3949 return $default_blob_plain_mimetype unless $fd;
3950
3951 if (-T $fd) {
3952 return 'text/plain';
3953 } elsif (! $filename) {
3954 return 'application/octet-stream';
3955 } elsif ($filename =~ m/\.png$/i) {
3956 return 'image/png';
3957 } elsif ($filename =~ m/\.gif$/i) {
3958 return 'image/gif';
3959 } elsif ($filename =~ m/\.jpe?g$/i) {
3960 return 'image/jpeg';
3961 } else {
3962 return 'application/octet-stream';
3963 }
3964 }
3965
3966 sub blob_contenttype {
3967 my ($fd, $file_name, $type) = @_;
3968
3969 $type ||= blob_mimetype($fd, $file_name);
3970 if ($type eq 'text/plain' && defined $default_text_plain_charset) {
3971 $type .= "; charset=$default_text_plain_charset";
3972 }
3973
3974 return $type;
3975 }
3976
3977 # guess file syntax for syntax highlighting; return undef if no highlighting
3978 # the name of syntax can (in the future) depend on syntax highlighter used
3979 sub guess_file_syntax {
3980 my ($highlight, $file_name) = @_;
3981 return undef unless ($highlight && defined $file_name);
3982 my $basename = basename($file_name, '.in');
3983 return $highlight_basename{$basename}
3984 if exists $highlight_basename{$basename};
3985
3986 $basename =~ /\.([^.]*)$/;
3987 my $ext = $1 or return undef;
3988 return $highlight_ext{$ext}
3989 if exists $highlight_ext{$ext};
3990
3991 return undef;
3992 }
3993
3994 # run highlighter and return FD of its output,
3995 # or return original FD if no highlighting
3996 sub run_highlighter {
3997 my ($fd, $highlight, $syntax) = @_;
3998 return $fd unless ($highlight);
3999
4000 close $fd;
4001 my $syntax_arg = (defined $syntax) ? "--syntax $syntax" : "--force";
4002 open $fd, quote_command(git_cmd(), "cat-file", "blob", $hash)." | ".
4003 quote_command($^X, '-CO', '-MEncode=decode,FB_DEFAULT', '-pse',
4004 '$_ = decode($fe, $_, FB_DEFAULT) if !utf8::decode($_);',
4005 '--', "-fe=$fallback_encoding")." | ".
4006 quote_command($highlight_bin).
4007 " --replace-tabs=8 --fragment $syntax_arg |"
4008 or die_error(500, "Couldn't open file or run syntax highlighter");
4009 return $fd;
4010 }
4011
4012 ## ======================================================================
4013 ## functions printing HTML: header, footer, error page
4014
4015 sub get_page_title {
4016 my $title = to_utf8($site_name);
4017
4018 unless (defined $project) {
4019 if (defined $project_filter) {
4020 $title .= " - projects in '" . esc_path($project_filter) . "'";
4021 }
4022 return $title;
4023 }
4024 $title .= " - " . to_utf8($project);
4025
4026 return $title unless (defined $action);
4027 $title .= "/$action"; # $action is US-ASCII (7bit ASCII)
4028
4029 return $title unless (defined $file_name);
4030 $title .= " - " . esc_path($file_name);
4031 if ($action eq "tree" && $file_name !~ m|/$|) {
4032 $title .= "/";
4033 }
4034
4035 return $title;
4036 }
4037
4038 sub get_content_type_html {
4039 # require explicit support from the UA if we are to send the page as
4040 # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
4041 # we have to do this because MSIE sometimes globs '*/*', pretending to
4042 # support xhtml+xml but choking when it gets what it asked for.
4043 if (defined $cgi->http('HTTP_ACCEPT') &&
4044 $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ &&
4045 $cgi->Accept('application/xhtml+xml') != 0) {
4046 return 'application/xhtml+xml';
4047 } else {
4048 return 'text/html';
4049 }
4050 }
4051
4052 sub print_feed_meta {
4053 if (defined $project) {
4054 my %href_params = get_feed_info();
4055 if (!exists $href_params{'-title'}) {
4056 $href_params{'-title'} = 'log';
4057 }
4058
4059 foreach my $format (qw(RSS Atom)) {
4060 my $type = lc($format);
4061 my %link_attr = (
4062 '-rel' => 'alternate',
4063 '-title' => esc_attr("$project - $href_params{'-title'} - $format feed"),
4064 '-type' => "application/$type+xml"
4065 );
4066
4067 $href_params{'extra_options'} = undef;
4068 $href_params{'action'} = $type;
4069 $link_attr{'-href'} = esc_attr(href(%href_params));
4070 print "<link ".
4071 "rel=\"$link_attr{'-rel'}\" ".
4072 "title=\"$link_attr{'-title'}\" ".
4073 "href=\"$link_attr{'-href'}\" ".
4074 "type=\"$link_attr{'-type'}\" ".
4075 "/>\n";
4076
4077 $href_params{'extra_options'} = '--no-merges';
4078 $link_attr{'-href'} = esc_attr(href(%href_params));
4079 $link_attr{'-title'} .= ' (no merges)';
4080 print "<link ".
4081 "rel=\"$link_attr{'-rel'}\" ".
4082 "title=\"$link_attr{'-title'}\" ".
4083 "href=\"$link_attr{'-href'}\" ".
4084 "type=\"$link_attr{'-type'}\" ".
4085 "/>\n";
4086 }
4087
4088 } else {
4089 printf('<link rel="alternate" title="%s projects list" '.
4090 'href="%s" type="text/plain; charset=utf-8" />'."\n",
4091 esc_attr($site_name),
4092 esc_attr(href(project=>undef, action=>"project_index")));
4093 printf('<link rel="alternate" title="%s projects feeds" '.
4094 'href="%s" type="text/x-opml" />'."\n",
4095 esc_attr($site_name),
4096 esc_attr(href(project=>undef, action=>"opml")));
4097 }
4098 }
4099
4100 sub print_header_links {
4101 my $status = shift;
4102
4103 # print out each stylesheet that exist, providing backwards capability
4104 # for those people who defined $stylesheet in a config file
4105 if (defined $stylesheet) {
4106 print '<link rel="stylesheet" type="text/css" href="'.esc_url($stylesheet).'"/>'."\n";
4107 } else {
4108 foreach my $stylesheet (@stylesheets) {
4109 next unless $stylesheet;
4110 print '<link rel="stylesheet" type="text/css" href="'.esc_url($stylesheet).'"/>'."\n";
4111 }
4112 }
4113 print_feed_meta()
4114 if ($status eq '200 OK');
4115 if (defined $favicon) {
4116 print qq(<link rel="shortcut icon" href=").esc_url($favicon).qq(" type="image/png" />\n);
4117 }
4118 }
4119
4120 sub print_nav_breadcrumbs_path {
4121 my $dirprefix = undef;
4122 while (my $part = shift) {
4123 $dirprefix .= "/" if defined $dirprefix;
4124 $dirprefix .= $part;
4125 print $cgi->a({-href => href(project => undef,
4126 project_filter => $dirprefix,
4127 action => "project_list")},
4128 esc_html($part)) . " / ";
4129 }
4130 }
4131
4132 sub print_nav_breadcrumbs {
4133 my %opts = @_;
4134
4135 for my $crumb (@extra_breadcrumbs, [ $home_link_str => $home_link ]) {
4136 print $cgi->a({-href => esc_url($crumb->[1])}, $crumb->[0]) . " / ";
4137 }
4138 if (defined $project) {
4139 my @dirname = split '/', $project;
4140 my $projectbasename = pop @dirname;
4141 print_nav_breadcrumbs_path(@dirname);
4142 print $cgi->a({-href => href(action=>"summary")}, esc_html($projectbasename));
4143 if (defined $action) {
4144 my $action_print = $action ;
4145 if (defined $opts{-action_extra}) {
4146 $action_print = $cgi->a({-href => href(action=>$action)},
4147 $action);
4148 }
4149 print " / $action_print";
4150 }
4151 if (defined $opts{-action_extra}) {
4152 print " / $opts{-action_extra}";
4153 }
4154 print "\n";
4155 } elsif (defined $project_filter) {
4156 print_nav_breadcrumbs_path(split '/', $project_filter);
4157 }
4158 }
4159
4160 sub print_search_form {
4161 if (!defined $searchtext) {
4162 $searchtext = "";
4163 }
4164 my $search_hash;
4165 if (defined $hash_base) {
4166 $search_hash = $hash_base;
4167 } elsif (defined $hash) {
4168 $search_hash = $hash;
4169 } else {
4170 $search_hash = "HEAD";
4171 }
4172 my $action = $my_uri;
4173 my $use_pathinfo = gitweb_check_feature('pathinfo');
4174 if ($use_pathinfo) {
4175 $action .= "/".esc_url($project);
4176 }
4177 print $cgi->start_form(-method => "get", -action => $action) .
4178 "<div class=\"search\">\n" .
4179 (!$use_pathinfo &&
4180 $cgi->input({-name=>"p", -value=>$project, -type=>"hidden"}) . "\n") .
4181 $cgi->input({-name=>"a", -value=>"search", -type=>"hidden"}) . "\n" .
4182 $cgi->input({-name=>"h", -value=>$search_hash, -type=>"hidden"}) . "\n" .
4183 $cgi->popup_menu(-name => 'st', -default => 'commit',
4184 -values => ['commit', 'grep', 'author', 'committer', 'pickaxe']) .
4185 " " . $cgi->a({-href => href(action=>"search_help"),
4186 -title => "search help" }, "?") . " search:\n",
4187 $cgi->textfield(-name => "s", -value => $searchtext, -override => 1) . "\n" .
4188 "<span title=\"Extended regular expression\">" .
4189 $cgi->checkbox(-name => 'sr', -value => 1, -label => 're',
4190 -checked => $search_use_regexp) .
4191 "</span>" .
4192 "</div>" .
4193 $cgi->end_form() . "\n";
4194 }
4195
4196 sub git_header_html {
4197 my $status = shift || "200 OK";
4198 my $expires = shift;
4199 my %opts = @_;
4200
4201 my $title = get_page_title();
4202 print $cgi->header(-type=>get_content_type_html(), -charset => 'utf-8',
4203 -status=> $status, -expires => $expires)
4204 unless ($opts{'-no_http_header'});
4205 my $mod_perl_version = $ENV{'MOD_PERL'} ? " $ENV{'MOD_PERL'}" : '';
4206 print <<EOF;
4207 <?xml version="1.0" encoding="utf-8"?>
4208 <!DOCTYPE html [
4209 <!ENTITY nbsp "&#xA0;">
4210 <!ENTITY sdot "&#x22C5;">
4211 ]>
4212 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
4213 <!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
4214 <!-- git core binaries version $git_version -->
4215 <head>
4216 <meta name="generator" content="gitweb/$version git/$git_version$mod_perl_version"/>
4217 <meta name="robots" content="index, nofollow"/>
4218 <title>$title</title>
4219 EOF
4220 # the stylesheet, favicon etc urls won't work correctly with path_info
4221 # unless we set the appropriate base URL
4222 if ($ENV{'PATH_INFO'}) {
4223 print "<base href=\"".esc_url($base_url)."\" />\n";
4224 }
4225 print_header_links($status);
4226
4227 if (defined $site_html_head_string) {
4228 print to_utf8($site_html_head_string);
4229 }
4230
4231 print "</head>\n" .
4232 "<body>\n";
4233
4234 if (defined $site_header && -f $site_header) {
4235 insert_file($site_header);
4236 }
4237
4238 print "<div class=\"page_header\">\n";
4239 if (defined $logo) {
4240 print $cgi->a({-href => esc_url($logo_url),
4241 -title => $logo_label},
4242 $cgi->img({-src => esc_url($logo),
4243 -width => 72, -height => 27,
4244 -alt => "git",
4245 -class => "logo"}));
4246 }
4247 print_nav_breadcrumbs(%opts);
4248 print "</div>\n";
4249
4250 my $have_search = gitweb_check_feature('search');
4251 if (defined $project && $have_search) {
4252 print_search_form();
4253 }
4254 }
4255
4256 sub git_footer_html {
4257 my $feed_class = 'rss_logo';
4258
4259 print "<div class=\"page_footer\">\n";
4260 if (defined $project) {
4261 my $descr = git_get_project_description($project);
4262 if (defined $descr) {
4263 print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
4264 }
4265
4266 my %href_params = get_feed_info();
4267 if (!%href_params) {
4268 $feed_class .= ' generic';
4269 }
4270 $href_params{'-title'} ||= 'log';
4271
4272 foreach my $format (qw(RSS Atom)) {
4273 $href_params{'action'} = lc($format);
4274 print $cgi->a({-href => href(%href_params),
4275 -title => "$href_params{'-title'} $format feed",
4276 -class => $feed_class}, $format)."\n";
4277 }
4278
4279 } else {
4280 print $cgi->a({-href => href(project=>undef, action=>"opml",
4281 project_filter => $project_filter),
4282 -class => $feed_class}, "OPML") . " ";
4283 print $cgi->a({-href => href(project=>undef, action=>"project_index",
4284 project_filter => $project_filter),
4285 -class => $feed_class}, "TXT") . "\n";
4286 }
4287 print "</div>\n"; # class="page_footer"
4288
4289 if (defined $t0 && gitweb_check_feature('timed')) {
4290 print "<div id=\"generating_info\">\n";
4291 print 'This page took '.
4292 '<span id="generating_time" class="time_span">'.
4293 tv_interval($t0, [ gettimeofday() ]).
4294 ' seconds </span>'.
4295 ' and '.
4296 '<span id="generating_cmd">'.
4297 $number_of_git_cmds.
4298 '</span> git commands '.
4299 " to generate.\n";
4300 print "</div>\n"; # class="page_footer"
4301 }
4302
4303 if (defined $site_footer && -f $site_footer) {
4304 insert_file($site_footer);
4305 }
4306
4307 print qq!<script type="text/javascript" src="!.esc_url($javascript).qq!"></script>\n!;
4308 if (defined $action &&
4309 $action eq 'blame_incremental') {
4310 print qq!<script type="text/javascript">\n!.
4311 qq!startBlame("!. esc_attr(href(action=>"blame_data", -replay=>1)) .qq!",\n!.
4312 qq! "!. esc_attr(href()) .qq!");\n!.
4313 qq!</script>\n!;
4314 } else {
4315 my ($jstimezone, $tz_cookie, $datetime_class) =
4316 gitweb_get_feature('javascript-timezone');
4317
4318 print qq!<script type="text/javascript">\n!.
4319 qq!window.onload = function () {\n!;
4320 if (gitweb_check_feature('javascript-actions')) {
4321 print qq! fixLinks();\n!;
4322 }
4323 if ($jstimezone && $tz_cookie && $datetime_class) {
4324 print qq! var tz_cookie = { name: '$tz_cookie', expires: 14, path: '/' };\n!. # in days
4325 qq! onloadTZSetup('$jstimezone', tz_cookie, '$datetime_class');\n!;
4326 }
4327 print qq!};\n!.
4328 qq!</script>\n!;
4329 }
4330
4331 print "</body>\n" .
4332 "</html>";
4333 }
4334
4335 # die_error(<http_status_code>, <error_message>[, <detailed_html_description>])
4336 # Example: die_error(404, 'Hash not found')
4337 # By convention, use the following status codes (as defined in RFC 2616):
4338 # 400: Invalid or missing CGI parameters, or
4339 # requested object exists but has wrong type.
4340 # 403: Requested feature (like "pickaxe" or "snapshot") not enabled on
4341 # this server or project.
4342 # 404: Requested object/revision/project doesn't exist.
4343 # 500: The server isn't configured properly, or
4344 # an internal error occurred (e.g. failed assertions caused by bugs), or
4345 # an unknown error occurred (e.g. the git binary died unexpectedly).
4346 # 503: The server is currently unavailable (because it is overloaded,
4347 # or down for maintenance). Generally, this is a temporary state.
4348 sub die_error {
4349 my $status = shift || 500;
4350 my $error = esc_html(shift) || "Internal Server Error";
4351 my $extra = shift;
4352 my %opts = @_;
4353
4354 my %http_responses = (
4355 400 => '400 Bad Request',
4356 403 => '403 Forbidden',
4357 404 => '404 Not Found',
4358 500 => '500 Internal Server Error',
4359 503 => '503 Service Unavailable',
4360 );
4361 git_header_html($http_responses{$status}, undef, %opts);
4362 print <<EOF;
4363 <div class="page_body">
4364 <br /><br />
4365 $status - $error
4366 <br />
4367 EOF
4368 if (defined $extra) {
4369 print "<hr />\n" .
4370 "$extra\n";
4371 }
4372 print "</div>\n";
4373
4374 git_footer_html();
4375 goto DONE_GITWEB
4376 unless ($opts{'-error_handler'});
4377 }
4378
4379 ## ----------------------------------------------------------------------
4380 ## functions printing or outputting HTML: navigation
4381
4382 sub git_print_page_nav {
4383 my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
4384 $extra = '' if !defined $extra; # pager or formats
4385
4386 my @navs = qw(summary shortlog log commit commitdiff tree);
4387 if ($suppress) {
4388 @navs = grep { $_ ne $suppress } @navs;
4389 }
4390
4391 my %arg = map { $_ => {action=>$_} } @navs;
4392 if (defined $head) {
4393 for (qw(commit commitdiff)) {
4394 $arg{$_}{'hash'} = $head;
4395 }
4396 if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
4397 for (qw(shortlog log)) {
4398 $arg{$_}{'hash'} = $head;
4399 }
4400 }
4401 }
4402
4403 $arg{'tree'}{'hash'} = $treehead if defined $treehead;
4404 $arg{'tree'}{'hash_base'} = $treebase if defined $treebase;
4405
4406 my @actions = gitweb_get_feature('actions');
4407 my %repl = (
4408 '%' => '%',
4409 'n' => $project, # project name
4410 'f' => $git_dir, # project path within filesystem
4411 'h' => $treehead || '', # current hash ('h' parameter)
4412 'b' => $treebase || '', # hash base ('hb' parameter)
4413 );
4414 while (@actions) {
4415 my ($label, $link, $pos) = splice(@actions,0,3);
4416 # insert
4417 @navs = map { $_ eq $pos ? ($_, $label) : $_ } @navs;
4418 # munch munch
4419 $link =~ s/%([%nfhb])/$repl{$1}/g;
4420 $arg{$label}{'_href'} = $link;
4421 }
4422
4423 print "<div class=\"page_nav\">\n" .
4424 (join " | ",
4425 map { $_ eq $current ?
4426 $_ : $cgi->a({-href => ($arg{$_}{_href} ? $arg{$_}{_href} : href(%{$arg{$_}}))}, "$_")
4427 } @navs);
4428 print "<br/>\n$extra<br/>\n" .
4429 "</div>\n";
4430 }
4431
4432 # returns a submenu for the navigation of the refs views (tags, heads,
4433 # remotes) with the current view disabled and the remotes view only
4434 # available if the feature is enabled
4435 sub format_ref_views {
4436 my ($current) = @_;
4437 my @ref_views = qw{tags heads};
4438 push @ref_views, 'remotes' if gitweb_check_feature('remote_heads');
4439 return join " | ", map {
4440 $_ eq $current ? $_ :
4441 $cgi->a({-href => href(action=>$_)}, $_)
4442 } @ref_views
4443 }
4444
4445 sub format_paging_nav {
4446 my ($action, $page, $has_next_link) = @_;
4447 my $paging_nav;
4448
4449
4450 if ($page > 0) {
4451 $paging_nav .=
4452 $cgi->a({-href => href(-replay=>1, page=>undef)}, "first") .
4453 " &sdot; " .
4454 $cgi->a({-href => href(-replay=>1, page=>$page-1),
4455 -accesskey => "p", -title => "Alt-p"}, "prev");
4456 } else {
4457 $paging_nav .= "first &sdot; prev";
4458 }
4459
4460 if ($has_next_link) {
4461 $paging_nav .= " &sdot; " .
4462 $cgi->a({-href => href(-replay=>1, page=>$page+1),
4463 -accesskey => "n", -title => "Alt-n"}, "next");
4464 } else {
4465 $paging_nav .= " &sdot; next";
4466 }
4467
4468 return $paging_nav;
4469 }
4470
4471 ## ......................................................................
4472 ## functions printing or outputting HTML: div
4473
4474 sub git_print_header_div {
4475 my ($action, $title, $hash, $hash_base) = @_;
4476 my %args = ();
4477
4478 $args{'action'} = $action;
4479 $args{'hash'} = $hash if $hash;
4480 $args{'hash_base'} = $hash_base if $hash_base;
4481
4482 print "<div class=\"header\">\n" .
4483 $cgi->a({-href => href(%args), -class => "title"},
4484 $title ? $title : $action) .
4485 "\n</div>\n";
4486 }
4487
4488 sub format_repo_url {
4489 my ($name, $url) = @_;
4490 return "<tr class=\"metadata_url\"><td>$name</td><td>$url</td></tr>\n";
4491 }
4492
4493 # Group output by placing it in a DIV element and adding a header.
4494 # Options for start_div() can be provided by passing a hash reference as the
4495 # first parameter to the function.
4496 # Options to git_print_header_div() can be provided by passing an array
4497 # reference. This must follow the options to start_div if they are present.
4498 # The content can be a scalar, which is output as-is, a scalar reference, which
4499 # is output after html escaping, an IO handle passed either as *handle or
4500 # *handle{IO}, or a function reference. In the latter case all following
4501 # parameters will be taken as argument to the content function call.
4502 sub git_print_section {
4503 my ($div_args, $header_args, $content);
4504 my $arg = shift;
4505 if (ref($arg) eq 'HASH') {
4506 $div_args = $arg;
4507 $arg = shift;
4508 }
4509 if (ref($arg) eq 'ARRAY') {
4510 $header_args = $arg;
4511 $arg = shift;
4512 }
4513 $content = $arg;
4514
4515 print $cgi->start_div($div_args);
4516 git_print_header_div(@$header_args);
4517
4518 if (ref($content) eq 'CODE') {
4519 $content->(@_);
4520 } elsif (ref($content) eq 'SCALAR') {
4521 print esc_html($$content);
4522 } elsif (ref($content) eq 'GLOB' or ref($content) eq 'IO::Handle') {
4523 print <$content>;
4524 } elsif (!ref($content) && defined($content)) {
4525 print $content;
4526 }
4527
4528 print $cgi->end_div;
4529 }
4530
4531 sub format_timestamp_html {
4532 my $date = shift;
4533 my $strtime = $date->{'rfc2822'};
4534
4535 my (undef, undef, $datetime_class) =
4536 gitweb_get_feature('javascript-timezone');
4537 if ($datetime_class) {
4538 $strtime = qq!<span class="$datetime_class">$strtime</span>!;
4539 }
4540
4541 my $localtime_format = '(%02d:%02d %s)';
4542 if ($date->{'hour_local'} < 6) {
4543 $localtime_format = '(<span class="atnight">%02d:%02d</span> %s)';
4544 }
4545 $strtime .= ' ' .
4546 sprintf($localtime_format,
4547 $date->{'hour_local'}, $date->{'minute_local'}, $date->{'tz_local'});
4548
4549 return $strtime;
4550 }
4551
4552 # Outputs the author name and date in long form
4553 sub git_print_authorship {
4554 my $co = shift;
4555 my %opts = @_;
4556 my $tag = $opts{-tag} || 'div';
4557 my $author = $co->{'author_name'};
4558
4559 my %ad = parse_date($co->{'author_epoch'}, $co->{'author_tz'});
4560 print "<$tag class=\"author_date\">" .
4561 format_search_author($author, "author", esc_html($author)) .
4562 " [".format_timestamp_html(\%ad)."]".
4563 git_get_avatar($co->{'author_email'}, -pad_before => 1) .
4564 "</$tag>\n";
4565 }
4566
4567 # Outputs table rows containing the full author or committer information,
4568 # in the format expected for 'commit' view (& similar).
4569 # Parameters are a commit hash reference, followed by the list of people
4570 # to output information for. If the list is empty it defaults to both
4571 # author and committer.
4572 sub git_print_authorship_rows {
4573 my $co = shift;
4574 # too bad we can't use @people = @_ || ('author', 'committer')
4575 my @people = @_;
4576 @people = ('author', 'committer') unless @people;
4577 foreach my $who (@people) {
4578 my %wd = parse_date($co->{"${who}_epoch"}, $co->{"${who}_tz"});
4579 print "<tr><td>$who</td><td>" .
4580 format_search_author($co->{"${who}_name"}, $who,
4581 esc_html($co->{"${who}_name"})) . " " .
4582 format_search_author($co->{"${who}_email"}, $who,
4583 esc_html("<" . $co->{"${who}_email"} . ">")) .
4584 "</td><td rowspan=\"2\">" .
4585 git_get_avatar($co->{"${who}_email"}, -size => 'double') .
4586 "</td></tr>\n" .
4587 "<tr>" .
4588 "<td></td><td>" .
4589 format_timestamp_html(\%wd) .
4590 "</td>" .
4591 "</tr>\n";
4592 }
4593 }
4594
4595 sub git_print_page_path {
4596 my $name = shift;
4597 my $type = shift;
4598 my $hb = shift;
4599
4600
4601 print "<div class=\"page_path\">";
4602 print $cgi->a({-href => href(action=>"tree", hash_base=>$hb),
4603 -title => 'tree root'}, to_utf8("[$project]"));
4604 print " / ";
4605 if (defined $name) {
4606 my @dirname = split '/', $name;
4607 my $basename = pop @dirname;
4608 my $fullname = '';
4609
4610 foreach my $dir (@dirname) {
4611 $fullname .= ($fullname ? '/' : '') . $dir;
4612 print $cgi->a({-href => href(action=>"tree", file_name=>$fullname,
4613 hash_base=>$hb),
4614 -title => $fullname}, esc_path($dir));
4615 print " / ";
4616 }
4617 if (defined $type && $type eq 'blob') {
4618 print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
4619 hash_base=>$hb),
4620 -title => $name}, esc_path($basename));
4621 } elsif (defined $type && $type eq 'tree') {
4622 print $cgi->a({-href => href(action=>"tree", file_name=>$file_name,
4623 hash_base=>$hb),
4624 -title => $name}, esc_path($basename));
4625 print " / ";
4626 } else {
4627 print esc_path($basename);
4628 }
4629 }
4630 print "<br/></div>\n";
4631 }
4632
4633 sub git_print_log {
4634 my $log = shift;
4635 my %opts = @_;
4636
4637 if ($opts{'-remove_title'}) {
4638 # remove title, i.e. first line of log
4639 shift @$log;
4640 }
4641 # remove leading empty lines
4642 while (defined $log->[0] && $log->[0] eq "") {
4643 shift @$log;
4644 }
4645
4646 # print log
4647 my $skip_blank_line = 0;
4648 foreach my $line (@$log) {
4649 if ($line =~ m/^\s*([A-Z][-A-Za-z]*-([Bb]y|[Tt]o)|C[Cc]|(Clos|Fix)es): /) {
4650 if (! $opts{'-remove_signoff'}) {
4651 print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
4652 $skip_blank_line = 1;
4653 }
4654 next;
4655 }
4656
4657 if ($line =~ m,\s*([a-z]*link): (https?://\S+),i) {
4658 if (! $opts{'-remove_signoff'}) {
4659 print "<span class=\"signoff\">" . esc_html($1) . ": " .
4660 "<a href=\"" . esc_html($2) . "\">" . esc_html($2) . "</a>" .
4661 "</span><br/>\n";
4662 $skip_blank_line = 1;
4663 }
4664 next;
4665 }
4666
4667 # print only one empty line
4668 # do not print empty line after signoff
4669 if ($line eq "") {
4670 next if ($skip_blank_line);
4671 $skip_blank_line = 1;
4672 } else {
4673 $skip_blank_line = 0;
4674 }
4675
4676 print format_log_line_html($line) . "<br/>\n";
4677 }
4678
4679 if ($opts{'-final_empty_line'}) {
4680 # end with single empty line
4681 print "<br/>\n" unless $skip_blank_line;
4682 }
4683 }
4684
4685 # return link target (what link points to)
4686 sub git_get_link_target {
4687 my $hash = shift;
4688 my $link_target;
4689
4690 # read link
4691 open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
4692 or return;
4693 {
4694 local $/ = undef;
4695 $link_target = <$fd>;
4696 }
4697 close $fd
4698 or return;
4699
4700 return $link_target;
4701 }
4702
4703 # given link target, and the directory (basedir) the link is in,
4704 # return target of link relative to top directory (top tree);
4705 # return undef if it is not possible (including absolute links).
4706 sub normalize_link_target {
4707 my ($link_target, $basedir) = @_;
4708
4709 # absolute symlinks (beginning with '/') cannot be normalized
4710 return if (substr($link_target, 0, 1) eq '/');
4711
4712 # normalize link target to path from top (root) tree (dir)
4713 my $path;
4714 if ($basedir) {
4715 $path = $basedir . '/' . $link_target;
4716 } else {
4717 # we are in top (root) tree (dir)
4718 $path = $link_target;
4719 }
4720
4721 # remove //, /./, and /../
4722 my @path_parts;
4723 foreach my $part (split('/', $path)) {
4724 # discard '.' and ''
4725 next if (!$part || $part eq '.');
4726 # handle '..'
4727 if ($part eq '..') {
4728 if (@path_parts) {
4729 pop @path_parts;
4730 } else {
4731 # link leads outside repository (outside top dir)
4732 return;
4733 }
4734 } else {
4735 push @path_parts, $part;
4736 }
4737 }
4738 $path = join('/', @path_parts);
4739
4740 return $path;
4741 }
4742
4743 # print tree entry (row of git_tree), but without encompassing <tr> element
4744 sub git_print_tree_entry {
4745 my ($t, $basedir, $hash_base, $have_blame) = @_;
4746
4747 my %base_key = ();
4748 $base_key{'hash_base'} = $hash_base if defined $hash_base;
4749
4750 # The format of a table row is: mode list link. Where mode is
4751 # the mode of the entry, list is the name of the entry, an href,
4752 # and link is the action links of the entry.
4753
4754 print "<td class=\"mode\">" . mode_str($t->{'mode'}) . "</td>\n";
4755 if (exists $t->{'size'}) {
4756 print "<td class=\"size\">$t->{'size'}</td>\n";
4757 }
4758 if ($t->{'type'} eq "blob") {
4759 print "<td class=\"list\">" .
4760 $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
4761 file_name=>"$basedir$t->{'name'}", %base_key),
4762 -class => "list"}, esc_path($t->{'name'}));
4763 if (S_ISLNK(oct $t->{'mode'})) {
4764 my $link_target = git_get_link_target($t->{'hash'});
4765 if ($link_target) {
4766 my $norm_target = normalize_link_target($link_target, $basedir);
4767 if (defined $norm_target) {
4768 print " -> " .
4769 $cgi->a({-href => href(action=>"object", hash_base=>$hash_base,
4770 file_name=>$norm_target),
4771 -title => $norm_target}, esc_path($link_target));
4772 } else {
4773 print " -> " . esc_path($link_target);
4774 }
4775 }
4776 }
4777 print "</td>\n";
4778 print "<td class=\"link\">";
4779 print $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
4780 file_name=>"$basedir$t->{'name'}", %base_key)},
4781 "blob");
4782 if ($have_blame) {
4783 print " | " .
4784 $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
4785 file_name=>"$basedir$t->{'name'}", %base_key)},
4786 "blame");
4787 }
4788 if (defined $hash_base) {
4789 print " | " .
4790 $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
4791 hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
4792 "history");
4793 }
4794 print " | " .
4795 $cgi->a({-href => href(action=>"blob_plain", hash_base=>$hash_base,
4796 file_name=>"$basedir$t->{'name'}")},
4797 "raw");
4798 print "</td>\n";
4799
4800 } elsif ($t->{'type'} eq "tree") {
4801 print "<td class=\"list\">";
4802 print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
4803 file_name=>"$basedir$t->{'name'}",
4804 %base_key)},
4805 esc_path($t->{'name'}));
4806 print "</td>\n";
4807 print "<td class=\"link\">";
4808 print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
4809 file_name=>"$basedir$t->{'name'}",
4810 %base_key)},
4811 "tree");
4812 if (defined $hash_base) {
4813 print " | " .
4814 $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
4815 file_name=>"$basedir$t->{'name'}")},
4816 "history");
4817 }
4818 print "</td>\n";
4819 } else {
4820 # unknown object: we can only present history for it
4821 # (this includes 'commit' object, i.e. submodule support)
4822 print "<td class=\"list\">" .
4823 esc_path($t->{'name'}) .
4824 "</td>\n";
4825 print "<td class=\"link\">";
4826 if (defined $hash_base) {
4827 print $cgi->a({-href => href(action=>"history",
4828 hash_base=>$hash_base,
4829 file_name=>"$basedir$t->{'name'}")},
4830 "history");
4831 }
4832 print "</td>\n";
4833 }
4834 }
4835
4836 ## ......................................................................
4837 ## functions printing large fragments of HTML
4838
4839 # get pre-image filenames for merge (combined) diff
4840 sub fill_from_file_info {
4841 my ($diff, @parents) = @_;
4842
4843 $diff->{'from_file'} = [ ];
4844 $diff->{'from_file'}[$diff->{'nparents'} - 1] = undef;
4845 for (my $i = 0; $i < $diff->{'nparents'}; $i++) {
4846 if ($diff->{'status'}[$i] eq 'R' ||
4847 $diff->{'status'}[$i] eq 'C') {
4848 $diff->{'from_file'}[$i] =
4849 git_get_path_by_hash($parents[$i], $diff->{'from_id'}[$i]);
4850 }
4851 }
4852
4853 return $diff;
4854 }
4855
4856 # is current raw difftree line of file deletion
4857 sub is_deleted {
4858 my $diffinfo = shift;
4859
4860 return $diffinfo->{'to_id'} eq ('0' x 40) || $diffinfo->{'to_id'} eq ('0' x 64);
4861 }
4862
4863 # does patch correspond to [previous] difftree raw line
4864 # $diffinfo - hashref of parsed raw diff format
4865 # $patchinfo - hashref of parsed patch diff format
4866 # (the same keys as in $diffinfo)
4867 sub is_patch_split {
4868 my ($diffinfo, $patchinfo) = @_;
4869
4870 return defined $diffinfo && defined $patchinfo
4871 && $diffinfo->{'to_file'} eq $patchinfo->{'to_file'};
4872 }
4873
4874
4875 sub git_difftree_body {
4876 my ($difftree, $hash, @parents) = @_;
4877 my ($parent) = $parents[0];
4878 my $have_blame = gitweb_check_feature('blame');
4879 print "<div class=\"list_head\">\n";
4880 if ($#{$difftree} > 10) {
4881 print(($#{$difftree} + 1) . " files changed:\n");
4882 }
4883 print "</div>\n";
4884
4885 print "<table class=\"" .
4886 (@parents > 1 ? "combined " : "") .
4887 "diff_tree\">\n";
4888
4889 # header only for combined diff in 'commitdiff' view
4890 my $has_header = @$difftree && @parents > 1 && $action eq 'commitdiff';
4891 if ($has_header) {
4892 # table header
4893 print "<thead><tr>\n" .
4894 "<th></th><th></th>\n"; # filename, patchN link
4895 for (my $i = 0; $i < @parents; $i++) {
4896 my $par = $parents[$i];
4897 print "<th>" .
4898 $cgi->a({-href => href(action=>"commitdiff",
4899 hash=>$hash, hash_parent=>$par),
4900 -title => 'commitdiff to parent number ' .
4901 ($i+1) . ': ' . substr($par,0,7)},
4902 $i+1) .
4903 "&nbsp;</th>\n";
4904 }
4905 print "</tr></thead>\n<tbody>\n";
4906 }
4907
4908 my $alternate = 1;
4909 my $patchno = 0;
4910 foreach my $line (@{$difftree}) {
4911 my $diff = parsed_difftree_line($line);
4912
4913 if ($alternate) {
4914 print "<tr class=\"dark\">\n";
4915 } else {
4916 print "<tr class=\"light\">\n";
4917 }
4918 $alternate ^= 1;
4919
4920 if (exists $diff->{'nparents'}) { # combined diff
4921
4922 fill_from_file_info($diff, @parents)
4923 unless exists $diff->{'from_file'};
4924
4925 if (!is_deleted($diff)) {
4926 # file exists in the result (child) commit
4927 print "<td>" .
4928 $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
4929 file_name=>$diff->{'to_file'},
4930 hash_base=>$hash),
4931 -class => "list"}, esc_path($diff->{'to_file'})) .
4932 "</td>\n";
4933 } else {
4934 print "<td>" .
4935 esc_path($diff->{'to_file'}) .
4936 "</td>\n";
4937 }
4938
4939 if ($action eq 'commitdiff') {
4940 # link to patch
4941 $patchno++;
4942 print "<td class=\"link\">" .
4943 $cgi->a({-href => href(-anchor=>"patch$patchno")},
4944 "patch") .
4945 " | " .
4946 "</td>\n";
4947 }
4948
4949 my $has_history = 0;
4950 my $not_deleted = 0;
4951 for (my $i = 0; $i < $diff->{'nparents'}; $i++) {
4952 my $hash_parent = $parents[$i];
4953 my $from_hash = $diff->{'from_id'}[$i];
4954 my $from_path = $diff->{'from_file'}[$i];
4955 my $status = $diff->{'status'}[$i];
4956
4957 $has_history ||= ($status ne 'A');
4958 $not_deleted ||= ($status ne 'D');
4959
4960 if ($status eq 'A') {
4961 print "<td class=\"link\" align=\"right\"> | </td>\n";
4962 } elsif ($status eq 'D') {
4963 print "<td class=\"link\">" .
4964 $cgi->a({-href => href(action=>"blob",
4965 hash_base=>$hash,
4966 hash=>$from_hash,
4967 file_name=>$from_path)},
4968 "blob" . ($i+1)) .
4969 " | </td>\n";
4970 } else {
4971 if ($diff->{'to_id'} eq $from_hash) {
4972 print "<td class=\"link nochange\">";
4973 } else {
4974 print "<td class=\"link\">";
4975 }
4976 print $cgi->a({-href => href(action=>"blobdiff",
4977 hash=>$diff->{'to_id'},
4978 hash_parent=>$from_hash,
4979 hash_base=>$hash,
4980 hash_parent_base=>$hash_parent,
4981 file_name=>$diff->{'to_file'},
4982 file_parent=>$from_path)},
4983 "diff" . ($i+1)) .
4984 " | </td>\n";
4985 }
4986 }
4987
4988 print "<td class=\"link\">";
4989 if ($not_deleted) {
4990 print $cgi->a({-href => href(action=>"blob",
4991 hash=>$diff->{'to_id'},
4992 file_name=>$diff->{'to_file'},
4993 hash_base=>$hash)},
4994 "blob");
4995 print " | " if ($has_history);
4996 }
4997 if ($has_history) {
4998 print $cgi->a({-href => href(action=>"history",
4999 file_name=>$diff->{'to_file'},
5000 hash_base=>$hash)},
5001 "history");
5002 }
5003 print "</td>\n";
5004
5005 print "</tr>\n";
5006 next; # instead of 'else' clause, to avoid extra indent
5007 }
5008 # else ordinary diff
5009
5010 my ($to_mode_oct, $to_mode_str, $to_file_type);
5011 my ($from_mode_oct, $from_mode_str, $from_file_type);
5012 if ($diff->{'to_mode'} ne ('0' x 6)) {
5013 $to_mode_oct = oct $diff->{'to_mode'};
5014 if (S_ISREG($to_mode_oct)) { # only for regular file
5015 $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
5016 }
5017 $to_file_type = file_type($diff->{'to_mode'});
5018 }
5019 if ($diff->{'from_mode'} ne ('0' x 6)) {
5020 $from_mode_oct = oct $diff->{'from_mode'};
5021 if (S_ISREG($from_mode_oct)) { # only for regular file
5022 $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
5023 }
5024 $from_file_type = file_type($diff->{'from_mode'});
5025 }
5026
5027 if ($diff->{'status'} eq "A") { # created
5028 my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
5029 $mode_chng .= " with mode: $to_mode_str" if $to_mode_str;
5030 $mode_chng .= "]</span>";
5031 print "<td>";
5032 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5033 hash_base=>$hash, file_name=>$diff->{'file'}),
5034 -class => "list"}, esc_path($diff->{'file'}));
5035 print "</td>\n";
5036 print "<td>$mode_chng</td>\n";
5037 print "<td class=\"link\">";
5038 if ($action eq 'commitdiff') {
5039 # link to patch
5040 $patchno++;
5041 print $cgi->a({-href => href(-anchor=>"patch$patchno")},
5042 "patch") .
5043 " | ";
5044 }
5045 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5046 hash_base=>$hash, file_name=>$diff->{'file'})},
5047 "blob");
5048 print "</td>\n";
5049
5050 } elsif ($diff->{'status'} eq "D") { # deleted
5051 my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
5052 print "<td>";
5053 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'},
5054 hash_base=>$parent, file_name=>$diff->{'file'}),
5055 -class => "list"}, esc_path($diff->{'file'}));
5056 print "</td>\n";
5057 print "<td>$mode_chng</td>\n";
5058 print "<td class=\"link\">";
5059 if ($action eq 'commitdiff') {
5060 # link to patch
5061 $patchno++;
5062 print $cgi->a({-href => href(-anchor=>"patch$patchno")},
5063 "patch") .
5064 " | ";
5065 }
5066 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'},
5067 hash_base=>$parent, file_name=>$diff->{'file'})},
5068 "blob") . " | ";
5069 if ($have_blame) {
5070 print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
5071 file_name=>$diff->{'file'})},
5072 "blame") . " | ";
5073 }
5074 print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
5075 file_name=>$diff->{'file'})},
5076 "history");
5077 print "</td>\n";
5078
5079 } elsif ($diff->{'status'} eq "M" || $diff->{'status'} eq "T") { # modified, or type changed
5080 my $mode_chnge = "";
5081 if ($diff->{'from_mode'} != $diff->{'to_mode'}) {
5082 $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
5083 if ($from_file_type ne $to_file_type) {
5084 $mode_chnge .= " from $from_file_type to $to_file_type";
5085 }
5086 if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
5087 if ($from_mode_str && $to_mode_str) {
5088 $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
5089 } elsif ($to_mode_str) {
5090 $mode_chnge .= " mode: $to_mode_str";
5091 }
5092 }
5093 $mode_chnge .= "]</span>\n";
5094 }
5095 print "<td>";
5096 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5097 hash_base=>$hash, file_name=>$diff->{'file'}),
5098 -class => "list"}, esc_path($diff->{'file'}));
5099 print "</td>\n";
5100 print "<td>$mode_chnge</td>\n";
5101 print "<td class=\"link\">";
5102 if ($action eq 'commitdiff') {
5103 # link to patch
5104 $patchno++;
5105 print $cgi->a({-href => href(-anchor=>"patch$patchno")},
5106 "patch") .
5107 " | ";
5108 } elsif ($diff->{'to_id'} ne $diff->{'from_id'}) {
5109 # "commit" view and modified file (not onlu mode changed)
5110 print $cgi->a({-href => href(action=>"blobdiff",
5111 hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'},
5112 hash_base=>$hash, hash_parent_base=>$parent,
5113 file_name=>$diff->{'file'})},
5114 "diff") .
5115 " | ";
5116 }
5117 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5118 hash_base=>$hash, file_name=>$diff->{'file'})},
5119 "blob") . " | ";
5120 if ($have_blame) {
5121 print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
5122 file_name=>$diff->{'file'})},
5123 "blame") . " | ";
5124 }
5125 print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
5126 file_name=>$diff->{'file'})},
5127 "history");
5128 print "</td>\n";
5129
5130 } elsif ($diff->{'status'} eq "R" || $diff->{'status'} eq "C") { # renamed or copied
5131 my %status_name = ('R' => 'moved', 'C' => 'copied');
5132 my $nstatus = $status_name{$diff->{'status'}};
5133 my $mode_chng = "";
5134 if ($diff->{'from_mode'} != $diff->{'to_mode'}) {
5135 # mode also for directories, so we cannot use $to_mode_str
5136 $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
5137 }
5138 print "<td>" .
5139 $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
5140 hash=>$diff->{'to_id'}, file_name=>$diff->{'to_file'}),
5141 -class => "list"}, esc_path($diff->{'to_file'})) . "</td>\n" .
5142 "<td><span class=\"file_status $nstatus\">[$nstatus from " .
5143 $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
5144 hash=>$diff->{'from_id'}, file_name=>$diff->{'from_file'}),
5145 -class => "list"}, esc_path($diff->{'from_file'})) .
5146 " with " . (int $diff->{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
5147 "<td class=\"link\">";
5148 if ($action eq 'commitdiff') {
5149 # link to patch
5150 $patchno++;
5151 print $cgi->a({-href => href(-anchor=>"patch$patchno")},
5152 "patch") .
5153 " | ";
5154 } elsif ($diff->{'to_id'} ne $diff->{'from_id'}) {
5155 # "commit" view and modified file (not only pure rename or copy)
5156 print $cgi->a({-href => href(action=>"blobdiff",
5157 hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'},
5158 hash_base=>$hash, hash_parent_base=>$parent,
5159 file_name=>$diff->{'to_file'}, file_parent=>$diff->{'from_file'})},
5160 "diff") .
5161 " | ";
5162 }
5163 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5164 hash_base=>$parent, file_name=>$diff->{'to_file'})},
5165 "blob") . " | ";
5166 if ($have_blame) {
5167 print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
5168 file_name=>$diff->{'to_file'})},
5169 "blame") . " | ";
5170 }
5171 print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
5172 file_name=>$diff->{'to_file'})},
5173 "history");
5174 print "</td>\n";
5175
5176 } # we should not encounter Unmerged (U) or Unknown (X) status
5177 print "</tr>\n";
5178 }
5179 print "</tbody>" if $has_header;
5180 print "</table>\n";
5181 }
5182
5183 # Print context lines and then rem/add lines in a side-by-side manner.
5184 sub print_sidebyside_diff_lines {
5185 my ($ctx, $rem, $add) = @_;
5186
5187 # print context block before add/rem block
5188 if (@$ctx) {
5189 print join '',
5190 '<div class="chunk_block ctx">',
5191 '<div class="old">',
5192 @$ctx,
5193 '</div>',
5194 '<div class="new">',
5195 @$ctx,
5196 '</div>',
5197 '</div>';
5198 }
5199
5200 if (!@$add) {
5201 # pure removal
5202 print join '',
5203 '<div class="chunk_block rem">',
5204 '<div class="old">',
5205 @$rem,
5206 '</div>',
5207 '</div>';
5208 } elsif (!@$rem) {
5209 # pure addition
5210 print join '',
5211 '<div class="chunk_block add">',
5212 '<div class="new">',
5213 @$add,
5214 '</div>',
5215 '</div>';
5216 } else {
5217 print join '',
5218 '<div class="chunk_block chg">',
5219 '<div class="old">',
5220 @$rem,
5221 '</div>',
5222 '<div class="new">',
5223 @$add,
5224 '</div>',
5225 '</div>';
5226 }
5227 }
5228
5229 # Print context lines and then rem/add lines in inline manner.
5230 sub print_inline_diff_lines {
5231 my ($ctx, $rem, $add) = @_;
5232
5233 print @$ctx, @$rem, @$add;
5234 }
5235
5236 # Format removed and added line, mark changed part and HTML-format them.
5237 # Implementation is based on contrib/diff-highlight
5238 sub format_rem_add_lines_pair {
5239 my ($rem, $add, $num_parents) = @_;
5240
5241 # We need to untabify lines before split()'ing them;
5242 # otherwise offsets would be invalid.
5243 chomp $rem;
5244 chomp $add;
5245 $rem = untabify($rem);
5246 $add = untabify($add);
5247
5248 my @rem = split(//, $rem);
5249 my @add = split(//, $add);
5250 my ($esc_rem, $esc_add);
5251 # Ignore leading +/- characters for each parent.
5252 my ($prefix_len, $suffix_len) = ($num_parents, 0);
5253 my ($prefix_has_nonspace, $suffix_has_nonspace);
5254
5255 my $shorter = (@rem < @add) ? @rem : @add;
5256 while ($prefix_len < $shorter) {
5257 last if ($rem[$prefix_len] ne $add[$prefix_len]);
5258
5259 $prefix_has_nonspace = 1 if ($rem[$prefix_len] !~ /\s/);
5260 $prefix_len++;
5261 }
5262
5263 while ($prefix_len + $suffix_len < $shorter) {
5264 last if ($rem[-1 - $suffix_len] ne $add[-1 - $suffix_len]);
5265
5266 $suffix_has_nonspace = 1 if ($rem[-1 - $suffix_len] !~ /\s/);
5267 $suffix_len++;
5268 }
5269
5270 # Mark lines that are different from each other, but have some common
5271 # part that isn't whitespace. If lines are completely different, don't
5272 # mark them because that would make output unreadable, especially if
5273 # diff consists of multiple lines.
5274 if ($prefix_has_nonspace || $suffix_has_nonspace) {
5275 $esc_rem = esc_html_hl_regions($rem, 'marked',
5276 [$prefix_len, @rem - $suffix_len], -nbsp=>1);
5277 $esc_add = esc_html_hl_regions($add, 'marked',
5278 [$prefix_len, @add - $suffix_len], -nbsp=>1);
5279 } else {
5280 $esc_rem = esc_html($rem, -nbsp=>1);
5281 $esc_add = esc_html($add, -nbsp=>1);
5282 }
5283
5284 return format_diff_line(\$esc_rem, 'rem'),
5285 format_diff_line(\$esc_add, 'add');
5286 }
5287
5288 # HTML-format diff context, removed and added lines.
5289 sub format_ctx_rem_add_lines {
5290 my ($ctx, $rem, $add, $num_parents) = @_;
5291 my (@new_ctx, @new_rem, @new_add);
5292 my $can_highlight = 0;
5293 my $is_combined = ($num_parents > 1);
5294
5295 # Highlight if every removed line has a corresponding added line.
5296 if (@$add > 0 && @$add == @$rem) {
5297 $can_highlight = 1;
5298
5299 # Highlight lines in combined diff only if the chunk contains
5300 # diff between the same version, e.g.
5301 #
5302 # - a
5303 # - b
5304 # + c
5305 # + d
5306 #
5307 # Otherwise the highlighting would be confusing.
5308 if ($is_combined) {
5309 for (my $i = 0; $i < @$add; $i++) {
5310 my $prefix_rem = substr($rem->[$i], 0, $num_parents);
5311 my $prefix_add = substr($add->[$i], 0, $num_parents);
5312
5313 $prefix_rem =~ s/-/+/g;
5314
5315 if ($prefix_rem ne $prefix_add) {
5316 $can_highlight = 0;
5317 last;
5318 }
5319 }
5320 }
5321 }
5322
5323 if ($can_highlight) {
5324 for (my $i = 0; $i < @$add; $i++) {
5325 my ($line_rem, $line_add) = format_rem_add_lines_pair(
5326 $rem->[$i], $add->[$i], $num_parents);
5327 push @new_rem, $line_rem;
5328 push @new_add, $line_add;
5329 }
5330 } else {
5331 @new_rem = map { format_diff_line($_, 'rem') } @$rem;
5332 @new_add = map { format_diff_line($_, 'add') } @$add;
5333 }
5334
5335 @new_ctx = map { format_diff_line($_, 'ctx') } @$ctx;
5336
5337 return (\@new_ctx, \@new_rem, \@new_add);
5338 }
5339
5340 # Print context lines and then rem/add lines.
5341 sub print_diff_lines {
5342 my ($ctx, $rem, $add, $diff_style, $num_parents) = @_;
5343 my $is_combined = $num_parents > 1;
5344
5345 ($ctx, $rem, $add) = format_ctx_rem_add_lines($ctx, $rem, $add,
5346 $num_parents);
5347
5348 if ($diff_style eq 'sidebyside' && !$is_combined) {
5349 print_sidebyside_diff_lines($ctx, $rem, $add);
5350 } else {
5351 # default 'inline' style and unknown styles
5352 print_inline_diff_lines($ctx, $rem, $add);
5353 }
5354 }
5355
5356 sub print_diff_chunk {
5357 my ($diff_style, $num_parents, $from, $to, @chunk) = @_;
5358 my (@ctx, @rem, @add);
5359
5360 # The class of the previous line.
5361 my $prev_class = '';
5362
5363 return unless @chunk;
5364
5365 # incomplete last line might be among removed or added lines,
5366 # or both, or among context lines: find which
5367 for (my $i = 1; $i < @chunk; $i++) {
5368 if ($chunk[$i][0] eq 'incomplete') {
5369 $chunk[$i][0] = $chunk[$i-1][0];
5370 }
5371 }
5372
5373 # guardian
5374 push @chunk, ["", ""];
5375
5376 foreach my $line_info (@chunk) {
5377 my ($class, $line) = @$line_info;
5378
5379 # print chunk headers
5380 if ($class && $class eq 'chunk_header') {
5381 print format_diff_line($line, $class, $from, $to);
5382 next;
5383 }
5384
5385 ## print from accumulator when have some add/rem lines or end
5386 # of chunk (flush context lines), or when have add and rem
5387 # lines and new block is reached (otherwise add/rem lines could
5388 # be reordered)
5389 if (!$class || ((@rem || @add) && $class eq 'ctx') ||
5390 (@rem && @add && $class ne $prev_class)) {
5391 print_diff_lines(\@ctx, \@rem, \@add,
5392 $diff_style, $num_parents);
5393 @ctx = @rem = @add = ();
5394 }
5395
5396 ## adding lines to accumulator
5397 # guardian value
5398 last unless $line;
5399 # rem, add or change
5400 if ($class eq 'rem') {
5401 push @rem, $line;
5402 } elsif ($class eq 'add') {
5403 push @add, $line;
5404 }
5405 # context line
5406 if ($class eq 'ctx') {
5407 push @ctx, $line;
5408 }
5409
5410 $prev_class = $class;
5411 }
5412 }
5413
5414 sub git_patchset_body {
5415 my ($fd, $diff_style, $difftree, $hash, @hash_parents) = @_;
5416 my ($hash_parent) = $hash_parents[0];
5417
5418 my $is_combined = (@hash_parents > 1);
5419 my $patch_idx = 0;
5420 my $patch_number = 0;
5421 my $patch_line;
5422 my $diffinfo;
5423 my $to_name;
5424 my (%from, %to);
5425 my @chunk; # for side-by-side diff
5426
5427 print "<div class=\"patchset\">\n";
5428
5429 # skip to first patch
5430 while ($patch_line = <$fd>) {
5431 chomp $patch_line;
5432
5433 last if ($patch_line =~ m/^diff /);
5434 }
5435
5436 PATCH:
5437 while ($patch_line) {
5438
5439 # parse "git diff" header line
5440 if ($patch_line =~ m/^diff --git (\"(?:[^\\\"]*(?:\\.[^\\\"]*)*)\"|[^ "]*) (.*)$/) {
5441 # $1 is from_name, which we do not use
5442 $to_name = unquote($2);
5443 $to_name =~ s!^b/!!;
5444 } elsif ($patch_line =~ m/^diff --(cc|combined) ("?.*"?)$/) {
5445 # $1 is 'cc' or 'combined', which we do not use
5446 $to_name = unquote($2);
5447 } else {
5448 $to_name = undef;
5449 }
5450
5451 # check if current patch belong to current raw line
5452 # and parse raw git-diff line if needed
5453 if (is_patch_split($diffinfo, { 'to_file' => $to_name })) {
5454 # this is continuation of a split patch
5455 print "<div class=\"patch cont\">\n";
5456 } else {
5457 # advance raw git-diff output if needed
5458 $patch_idx++ if defined $diffinfo;
5459
5460 # read and prepare patch information
5461 $diffinfo = parsed_difftree_line($difftree->[$patch_idx]);
5462
5463 # compact combined diff output can have some patches skipped
5464 # find which patch (using pathname of result) we are at now;
5465 if ($is_combined) {
5466 while ($to_name ne $diffinfo->{'to_file'}) {
5467 print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n" .
5468 format_diff_cc_simplified($diffinfo, @hash_parents) .
5469 "</div>\n"; # class="patch"
5470
5471 $patch_idx++;
5472 $patch_number++;
5473
5474 last if $patch_idx > $#$difftree;
5475 $diffinfo = parsed_difftree_line($difftree->[$patch_idx]);
5476 }
5477 }
5478
5479 # modifies %from, %to hashes
5480 parse_from_to_diffinfo($diffinfo, \%from, \%to, @hash_parents);
5481
5482 # this is first patch for raw difftree line with $patch_idx index
5483 # we index @$difftree array from 0, but number patches from 1
5484 print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n";
5485 }
5486
5487 # git diff header
5488 #assert($patch_line =~ m/^diff /) if DEBUG;
5489 #assert($patch_line !~ m!$/$!) if DEBUG; # is chomp-ed
5490 $patch_number++;
5491 # print "git diff" header
5492 print format_git_diff_header_line($patch_line, $diffinfo,
5493 \%from, \%to);
5494
5495 # print extended diff header
5496 print "<div class=\"diff extended_header\">\n";
5497 EXTENDED_HEADER:
5498 while ($patch_line = <$fd>) {
5499 chomp $patch_line;
5500
5501 last EXTENDED_HEADER if ($patch_line =~ m/^--- |^diff /);
5502
5503 print format_extended_diff_header_line($patch_line, $diffinfo,
5504 \%from, \%to);
5505 }
5506 print "</div>\n"; # class="diff extended_header"
5507
5508 # from-file/to-file diff header
5509 if (! $patch_line) {
5510 print "</div>\n"; # class="patch"
5511 last PATCH;
5512 }
5513 next PATCH if ($patch_line =~ m/^diff /);
5514 #assert($patch_line =~ m/^---/) if DEBUG;
5515
5516 my $last_patch_line = $patch_line;
5517 $patch_line = <$fd>;
5518 chomp $patch_line;
5519 #assert($patch_line =~ m/^\+\+\+/) if DEBUG;
5520
5521 print format_diff_from_to_header($last_patch_line, $patch_line,
5522 $diffinfo, \%from, \%to,
5523 @hash_parents);
5524
5525 # the patch itself
5526 LINE:
5527 while ($patch_line = <$fd>) {
5528 chomp $patch_line;
5529
5530 next PATCH if ($patch_line =~ m/^diff /);
5531
5532 my $class = diff_line_class($patch_line, \%from, \%to);
5533
5534 if ($class eq 'chunk_header') {
5535 print_diff_chunk($diff_style, scalar @hash_parents, \%from, \%to, @chunk);
5536 @chunk = ();
5537 }
5538
5539 push @chunk, [ $class, $patch_line ];
5540 }
5541
5542 } continue {
5543 if (@chunk) {
5544 print_diff_chunk($diff_style, scalar @hash_parents, \%from, \%to, @chunk);
5545 @chunk = ();
5546 }
5547 print "</div>\n"; # class="patch"
5548 }
5549
5550 # for compact combined (--cc) format, with chunk and patch simplification
5551 # the patchset might be empty, but there might be unprocessed raw lines
5552 for (++$patch_idx if $patch_number > 0;
5553 $patch_idx < @$difftree;
5554 ++$patch_idx) {
5555 # read and prepare patch information
5556 $diffinfo = parsed_difftree_line($difftree->[$patch_idx]);
5557
5558 # generate anchor for "patch" links in difftree / whatchanged part
5559 print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n" .
5560 format_diff_cc_simplified($diffinfo, @hash_parents) .
5561 "</div>\n"; # class="patch"
5562
5563 $patch_number++;
5564 }
5565
5566 if ($patch_number == 0) {
5567 if (@hash_parents > 1) {
5568 print "<div class=\"diff nodifferences\">Trivial merge</div>\n";
5569 } else {
5570 print "<div class=\"diff nodifferences\">No differences found</div>\n";
5571 }
5572 }
5573
5574 print "</div>\n"; # class="patchset"
5575 }
5576
5577 # . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5578
5579 sub git_project_search_form {
5580 my ($searchtext, $search_use_regexp) = @_;
5581
5582 my $limit = '';
5583 if ($project_filter) {
5584 $limit = " in '$project_filter/'";
5585 }
5586
5587 print "<div class=\"projsearch\">\n";
5588 print $cgi->start_form(-method => 'get', -action => $my_uri) .
5589 $cgi->hidden(-name => 'a', -value => 'project_list') . "\n";
5590 print $cgi->hidden(-name => 'pf', -value => $project_filter). "\n"
5591 if (defined $project_filter);
5592 print $cgi->textfield(-name => 's', -value => $searchtext,
5593 -title => "Search project by name and description$limit",
5594 -size => 60) . "\n" .
5595 "<span title=\"Extended regular expression\">" .
5596 $cgi->checkbox(-name => 'sr', -value => 1, -label => 're',
5597 -checked => $search_use_regexp) .
5598 "</span>\n" .
5599 $cgi->submit(-name => 'btnS', -value => 'Search') .
5600 $cgi->end_form() . "\n" .
5601 $cgi->a({-href => href(project => undef, searchtext => undef,
5602 project_filter => $project_filter)},
5603 esc_html("List all projects$limit")) . "<br />\n";
5604 print "</div>\n";
5605 }
5606
5607 # entry for given @keys needs filling if at least one of keys in list
5608 # is not present in %$project_info
5609 sub project_info_needs_filling {
5610 my ($project_info, @keys) = @_;
5611
5612 # return List::MoreUtils::any { !exists $project_info->{$_} } @keys;
5613 foreach my $key (@keys) {
5614 if (!exists $project_info->{$key}) {
5615 return 1;
5616 }
5617 }
5618 return;
5619 }
5620
5621 # fills project list info (age, description, owner, category, forks, etc.)
5622 # for each project in the list, removing invalid projects from
5623 # returned list, or fill only specified info.
5624 #
5625 # Invalid projects are removed from the returned list if and only if you
5626 # ask 'age' or 'age_string' to be filled, because they are the only fields
5627 # that run unconditionally git command that requires repository, and
5628 # therefore do always check if project repository is invalid.
5629 #
5630 # USAGE:
5631 # * fill_project_list_info(\@project_list, 'descr_long', 'ctags')
5632 # ensures that 'descr_long' and 'ctags' fields are filled
5633 # * @project_list = fill_project_list_info(\@project_list)
5634 # ensures that all fields are filled (and invalid projects removed)
5635 #
5636 # NOTE: modifies $projlist, but does not remove entries from it
5637 sub fill_project_list_info {
5638 my ($projlist, @wanted_keys) = @_;
5639 my @projects;
5640 my $filter_set = sub { return @_; };
5641 if (@wanted_keys) {
5642 my %wanted_keys = map { $_ => 1 } @wanted_keys;
5643 $filter_set = sub { return grep { $wanted_keys{$_} } @_; };
5644 }
5645
5646 my $show_ctags = gitweb_check_feature('ctags');
5647 PROJECT:
5648 foreach my $pr (@$projlist) {
5649 if (project_info_needs_filling($pr, $filter_set->('age', 'age_string'))) {
5650 my (@activity) = git_get_last_activity($pr->{'path'});
5651 unless (@activity) {
5652 next PROJECT;
5653 }
5654 ($pr->{'age'}, $pr->{'age_string'}) = @activity;
5655 }
5656 if (project_info_needs_filling($pr, $filter_set->('descr', 'descr_long'))) {
5657 my $descr = git_get_project_description($pr->{'path'}) || "";
5658 $descr = to_utf8($descr);
5659 $pr->{'descr_long'} = $descr;
5660 $pr->{'descr'} = chop_str($descr, $projects_list_description_width, 5);
5661 }
5662 if (project_info_needs_filling($pr, $filter_set->('owner'))) {
5663 $pr->{'owner'} = git_get_project_owner("$pr->{'path'}") || "";
5664 }
5665 if ($show_ctags &&
5666 project_info_needs_filling($pr, $filter_set->('ctags'))) {
5667 $pr->{'ctags'} = git_get_project_ctags($pr->{'path'});
5668 }
5669 if ($projects_list_group_categories &&
5670 project_info_needs_filling($pr, $filter_set->('category'))) {
5671 my $cat = git_get_project_category($pr->{'path'}) ||
5672 $project_list_default_category;
5673 $pr->{'category'} = to_utf8($cat);
5674 }
5675
5676 push @projects, $pr;
5677 }
5678
5679 return @projects;
5680 }
5681
5682 sub sort_projects_list {
5683 my ($projlist, $order) = @_;
5684
5685 sub order_str {
5686 my $key = shift;
5687 return sub { $a->{$key} cmp $b->{$key} };
5688 }
5689
5690 sub order_num_then_undef {
5691 my $key = shift;
5692 return sub {
5693 defined $a->{$key} ?
5694 (defined $b->{$key} ? $a->{$key} <=> $b->{$key} : -1) :
5695 (defined $b->{$key} ? 1 : 0)
5696 };
5697 }
5698
5699 my %orderings = (
5700 project => order_str('path'),
5701 descr => order_str('descr_long'),
5702 owner => order_str('owner'),
5703 age => order_num_then_undef('age'),
5704 );
5705
5706 my $ordering = $orderings{$order};
5707 return defined $ordering ? sort $ordering @$projlist : @$projlist;
5708 }
5709
5710 # returns a hash of categories, containing the list of project
5711 # belonging to each category
5712 sub build_projlist_by_category {
5713 my ($projlist, $from, $to) = @_;
5714 my %categories;
5715
5716 $from = 0 unless defined $from;
5717 $to = $#$projlist if (!defined $to || $#$projlist < $to);
5718
5719 for (my $i = $from; $i <= $to; $i++) {
5720 my $pr = $projlist->[$i];
5721 push @{$categories{ $pr->{'category'} }}, $pr;
5722 }
5723
5724 return wantarray ? %categories : \%categories;
5725 }
5726
5727 # print 'sort by' <th> element, generating 'sort by $name' replay link
5728 # if that order is not selected
5729 sub print_sort_th {
5730 print format_sort_th(@_);
5731 }
5732
5733 sub format_sort_th {
5734 my ($name, $order, $header) = @_;
5735 my $sort_th = "";
5736 $header ||= ucfirst($name);
5737
5738 if ($order eq $name) {
5739 $sort_th .= "<th>$header</th>\n";
5740 } else {
5741 $sort_th .= "<th>" .
5742 $cgi->a({-href => href(-replay=>1, order=>$name),
5743 -class => "header"}, $header) .
5744 "</th>\n";
5745 }
5746
5747 return $sort_th;
5748 }
5749
5750 sub git_project_list_rows {
5751 my ($projlist, $from, $to, $check_forks) = @_;
5752
5753 $from = 0 unless defined $from;
5754 $to = $#$projlist if (!defined $to || $#$projlist < $to);
5755
5756 my $alternate = 1;
5757 for (my $i = $from; $i <= $to; $i++) {
5758 my $pr = $projlist->[$i];
5759
5760 if ($alternate) {
5761 print "<tr class=\"dark\">\n";
5762 } else {
5763 print "<tr class=\"light\">\n";
5764 }
5765 $alternate ^= 1;
5766
5767 if ($check_forks) {
5768 print "<td>";
5769 if ($pr->{'forks'}) {
5770 my $nforks = scalar @{$pr->{'forks'}};
5771 if ($nforks > 0) {
5772 print $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks"),
5773 -title => "$nforks forks"}, "+");
5774 } else {
5775 print $cgi->span({-title => "$nforks forks"}, "+");
5776 }
5777 }
5778 print "</td>\n";
5779 }
5780 print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
5781 -class => "list"},
5782 esc_html_match_hl($pr->{'path'}, $search_regexp)) .
5783 "</td>\n" .
5784 "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
5785 -class => "list",
5786 -title => $pr->{'descr_long'}},
5787 $search_regexp
5788 ? esc_html_match_hl_chopped($pr->{'descr_long'},
5789 $pr->{'descr'}, $search_regexp)
5790 : esc_html($pr->{'descr'})) .
5791 "</td>\n";
5792 unless ($omit_owner) {
5793 print "<td><i>" . chop_and_escape_str($pr->{'owner'}, 15) . "</i></td>\n";
5794 }
5795 unless ($omit_age_column) {
5796 print "<td class=\"". age_class($pr->{'age'}) . "\">" .
5797 (defined $pr->{'age_string'} ? $pr->{'age_string'} : "No commits") . "</td>\n";
5798 }
5799 print"<td class=\"link\">" .
5800 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary") . " | " .
5801 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
5802 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " .
5803 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") .
5804 ($pr->{'forks'} ? " | " . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks")}, "forks") : '') .
5805 "</td>\n" .
5806 "</tr>\n";
5807 }
5808 }
5809
5810 sub git_project_list_body {
5811 # actually uses global variable $project
5812 my ($projlist, $order, $from, $to, $extra, $no_header) = @_;
5813 my @projects = @$projlist;
5814
5815 my $check_forks = gitweb_check_feature('forks');
5816 my $show_ctags = gitweb_check_feature('ctags');
5817 my $tagfilter = $show_ctags ? $input_params{'ctag'} : undef;
5818 $check_forks = undef
5819 if ($tagfilter || $search_regexp);
5820
5821 # filtering out forks before filling info allows to do less work
5822 @projects = filter_forks_from_projects_list(\@projects)
5823 if ($check_forks);
5824 # search_projects_list pre-fills required info
5825 @projects = search_projects_list(\@projects,
5826 'search_regexp' => $search_regexp,
5827 'tagfilter' => $tagfilter)
5828 if ($tagfilter || $search_regexp);
5829 # fill the rest
5830 my @all_fields = ('descr', 'descr_long', 'ctags', 'category');
5831 push @all_fields, ('age', 'age_string') unless($omit_age_column);
5832 push @all_fields, 'owner' unless($omit_owner);
5833 @projects = fill_project_list_info(\@projects, @all_fields);
5834
5835 $order ||= $default_projects_order;
5836 $from = 0 unless defined $from;
5837 $to = $#projects if (!defined $to || $#projects < $to);
5838
5839 # short circuit
5840 if ($from > $to) {
5841 print "<center>\n".
5842 "<b>No such projects found</b><br />\n".
5843 "Click ".$cgi->a({-href=>href(project=>undef)},"here")." to view all projects<br />\n".
5844 "</center>\n<br />\n";
5845 return;
5846 }
5847
5848 @projects = sort_projects_list(\@projects, $order);
5849
5850 if ($show_ctags) {
5851 my $ctags = git_gather_all_ctags(\@projects);
5852 my $cloud = git_populate_project_tagcloud($ctags);
5853 print git_show_project_tagcloud($cloud, 64);
5854 }
5855
5856 print "<table class=\"project_list\">\n";
5857 unless ($no_header) {
5858 print "<tr>\n";
5859 if ($check_forks) {
5860 print "<th></th>\n";
5861 }
5862 print_sort_th('project', $order, 'Project');
5863 print_sort_th('descr', $order, 'Description');
5864 print_sort_th('owner', $order, 'Owner') unless $omit_owner;
5865 print_sort_th('age', $order, 'Last Change') unless $omit_age_column;
5866 print "<th></th>\n" . # for links
5867 "</tr>\n";
5868 }
5869
5870 if ($projects_list_group_categories) {
5871 # only display categories with projects in the $from-$to window
5872 @projects = sort {$a->{'category'} cmp $b->{'category'}} @projects[$from..$to];
5873 my %categories = build_projlist_by_category(\@projects, $from, $to);
5874 foreach my $cat (sort keys %categories) {
5875 unless ($cat eq "") {
5876 print "<tr>\n";
5877 if ($check_forks) {
5878 print "<td></td>\n";
5879 }
5880 print "<td class=\"category\" colspan=\"5\">".esc_html($cat)."</td>\n";
5881 print "</tr>\n";
5882 }
5883
5884 git_project_list_rows($categories{$cat}, undef, undef, $check_forks);
5885 }
5886 } else {
5887 git_project_list_rows(\@projects, $from, $to, $check_forks);
5888 }
5889
5890 if (defined $extra) {
5891 print "<tr>\n";
5892 if ($check_forks) {
5893 print "<td></td>\n";
5894 }
5895 print "<td colspan=\"5\">$extra</td>\n" .
5896 "</tr>\n";
5897 }
5898 print "</table>\n";
5899 }
5900
5901 sub git_log_body {
5902 # uses global variable $project
5903 my ($commitlist, $from, $to, $refs, $extra) = @_;
5904
5905 $from = 0 unless defined $from;
5906 $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to);
5907
5908 for (my $i = 0; $i <= $to; $i++) {
5909 my %co = %{$commitlist->[$i]};
5910 next if !%co;
5911 my $commit = $co{'id'};
5912 my $ref = format_ref_marker($refs, $commit);
5913 git_print_header_div('commit',
5914 "<span class=\"age\">$co{'age_string'}</span>" .
5915 esc_html($co{'title'}) . $ref,
5916 $commit);
5917 print "<div class=\"title_text\">\n" .
5918 "<div class=\"log_link\">\n" .
5919 $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
5920 " | " .
5921 $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
5922 " | " .
5923 $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") .
5924 "<br/>\n" .
5925 "</div>\n";
5926 git_print_authorship(\%co, -tag => 'span');
5927 print "<br/>\n</div>\n";
5928
5929 print "<div class=\"log_body\">\n";
5930 git_print_log($co{'comment'}, -final_empty_line=> 1);
5931 print "</div>\n";
5932 }
5933 if ($extra) {
5934 print "<div class=\"page_nav\">\n";
5935 print "$extra\n";
5936 print "</div>\n";
5937 }
5938 }
5939
5940 sub git_shortlog_body {
5941 # uses global variable $project
5942 my ($commitlist, $from, $to, $refs, $extra) = @_;
5943
5944 $from = 0 unless defined $from;
5945 $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to);
5946
5947 print "<table class=\"shortlog\">\n";
5948 my $alternate = 1;
5949 for (my $i = $from; $i <= $to; $i++) {
5950 my %co = %{$commitlist->[$i]};
5951 my $commit = $co{'id'};
5952 my $ref = format_ref_marker($refs, $commit);
5953 if ($alternate) {
5954 print "<tr class=\"dark\">\n";
5955 } else {
5956 print "<tr class=\"light\">\n";
5957 }
5958 $alternate ^= 1;
5959 # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
5960 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
5961 format_author_html('td', \%co, 10) . "<td>";
5962 print format_subject_html($co{'title'}, $co{'title_short'},
5963 href(action=>"commit", hash=>$commit), $ref);
5964 print "</td>\n" .
5965 "<td class=\"link\">" .
5966 $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
5967 $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
5968 $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree");
5969 my $snapshot_links = format_snapshot_links($commit);
5970 if (defined $snapshot_links) {
5971 print " | " . $snapshot_links;
5972 }
5973 print "</td>\n" .
5974 "</tr>\n";
5975 }
5976 if (defined $extra) {
5977 print "<tr>\n" .
5978 "<td colspan=\"4\">$extra</td>\n" .
5979 "</tr>\n";
5980 }
5981 print "</table>\n";
5982 }
5983
5984 sub git_history_body {
5985 # Warning: assumes constant type (blob or tree) during history
5986 my ($commitlist, $from, $to, $refs, $extra,
5987 $file_name, $file_hash, $ftype) = @_;
5988
5989 $from = 0 unless defined $from;
5990 $to = $#{$commitlist} unless (defined $to && $to <= $#{$commitlist});
5991
5992 print "<table class=\"history\">\n";
5993 my $alternate = 1;
5994 for (my $i = $from; $i <= $to; $i++) {
5995 my %co = %{$commitlist->[$i]};
5996 if (!%co) {
5997 next;
5998 }
5999 my $commit = $co{'id'};
6000
6001 my $ref = format_ref_marker($refs, $commit);
6002
6003 if ($alternate) {
6004 print "<tr class=\"dark\">\n";
6005 } else {
6006 print "<tr class=\"light\">\n";
6007 }
6008 $alternate ^= 1;
6009 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
6010 # shortlog: format_author_html('td', \%co, 10)
6011 format_author_html('td', \%co, 15, 3) . "<td>";
6012 # originally git_history used chop_str($co{'title'}, 50)
6013 print format_subject_html($co{'title'}, $co{'title_short'},
6014 href(action=>"commit", hash=>$commit), $ref);
6015 print "</td>\n" .
6016 "<td class=\"link\">" .
6017 $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype) . " | " .
6018 $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
6019
6020 if ($ftype eq 'blob') {
6021 print " | " .
6022 $cgi->a({-href => href(action=>"blob_plain", hash_base=>$commit, file_name=>$file_name)}, "raw");
6023
6024 my $blob_current = $file_hash;
6025 my $blob_parent = git_get_hash_by_path($commit, $file_name);
6026 if (defined $blob_current && defined $blob_parent &&
6027 $blob_current ne $blob_parent) {
6028 print " | " .
6029 $cgi->a({-href => href(action=>"blobdiff",
6030 hash=>$blob_current, hash_parent=>$blob_parent,
6031 hash_base=>$hash_base, hash_parent_base=>$commit,
6032 file_name=>$file_name)},
6033 "diff to current");
6034 }
6035 }
6036 print "</td>\n" .
6037 "</tr>\n";
6038 }
6039 if (defined $extra) {
6040 print "<tr>\n" .
6041 "<td colspan=\"4\">$extra</td>\n" .
6042 "</tr>\n";
6043 }
6044 print "</table>\n";
6045 }
6046
6047 sub git_tags_body {
6048 # uses global variable $project
6049 my ($taglist, $from, $to, $extra) = @_;
6050 $from = 0 unless defined $from;
6051 $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
6052
6053 print "<table class=\"tags\">\n";
6054 my $alternate = 1;
6055 for (my $i = $from; $i <= $to; $i++) {
6056 my $entry = $taglist->[$i];
6057 my %tag = %$entry;
6058 my $comment = $tag{'subject'};
6059 my $comment_short;
6060 if (defined $comment) {
6061 $comment_short = chop_str($comment, 30, 5);
6062 }
6063 if ($alternate) {
6064 print "<tr class=\"dark\">\n";
6065 } else {
6066 print "<tr class=\"light\">\n";
6067 }
6068 $alternate ^= 1;
6069 if (defined $tag{'age'}) {
6070 print "<td><i>$tag{'age'}</i></td>\n";
6071 } else {
6072 print "<td></td>\n";
6073 }
6074 print "<td>" .
6075 $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
6076 -class => "list name"}, esc_html($tag{'name'})) .
6077 "</td>\n" .
6078 "<td>";
6079 if (defined $comment) {
6080 print format_subject_html($comment, $comment_short,
6081 href(action=>"tag", hash=>$tag{'id'}));
6082 }
6083 print "</td>\n" .
6084 "<td class=\"selflink\">";
6085 if ($tag{'type'} eq "tag") {
6086 print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
6087 } else {
6088 print "&nbsp;";
6089 }
6090 print "</td>\n" .
6091 "<td class=\"link\">" . " | " .
6092 $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
6093 if ($tag{'reftype'} eq "commit") {
6094 print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'fullname'})}, "shortlog") .
6095 " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'fullname'})}, "log");
6096 } elsif ($tag{'reftype'} eq "blob") {
6097 print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
6098 }
6099 print "</td>\n" .
6100 "</tr>";
6101 }
6102 if (defined $extra) {
6103 print "<tr>\n" .
6104 "<td colspan=\"5\">$extra</td>\n" .
6105 "</tr>\n";
6106 }
6107 print "</table>\n";
6108 }
6109
6110 sub git_heads_body {
6111 # uses global variable $project
6112 my ($headlist, $head_at, $from, $to, $extra) = @_;
6113 $from = 0 unless defined $from;
6114 $to = $#{$headlist} if (!defined $to || $#{$headlist} < $to);
6115
6116 print "<table class=\"heads\">\n";
6117 my $alternate = 1;
6118 for (my $i = $from; $i <= $to; $i++) {
6119 my $entry = $headlist->[$i];
6120 my %ref = %$entry;
6121 my $curr = defined $head_at && $ref{'id'} eq $head_at;
6122 if ($alternate) {
6123 print "<tr class=\"dark\">\n";
6124 } else {
6125 print "<tr class=\"light\">\n";
6126 }
6127 $alternate ^= 1;
6128 print "<td><i>$ref{'age'}</i></td>\n" .
6129 ($curr ? "<td class=\"current_head\">" : "<td>") .
6130 $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'fullname'}),
6131 -class => "list name"},esc_html($ref{'name'})) .
6132 "</td>\n" .
6133 "<td class=\"link\">" .
6134 $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'fullname'})}, "shortlog") . " | " .
6135 $cgi->a({-href => href(action=>"log", hash=>$ref{'fullname'})}, "log") . " | " .
6136 $cgi->a({-href => href(action=>"tree", hash=>$ref{'fullname'}, hash_base=>$ref{'fullname'})}, "tree") .
6137 "</td>\n" .
6138 "</tr>";
6139 }
6140 if (defined $extra) {
6141 print "<tr>\n" .
6142 "<td colspan=\"3\">$extra</td>\n" .
6143 "</tr>\n";
6144 }
6145 print "</table>\n";
6146 }
6147
6148 # Display a single remote block
6149 sub git_remote_block {
6150 my ($remote, $rdata, $limit, $head) = @_;
6151
6152 my $heads = $rdata->{'heads'};
6153 my $fetch = $rdata->{'fetch'};
6154 my $push = $rdata->{'push'};
6155
6156 my $urls_table = "<table class=\"projects_list\">\n" ;
6157
6158 if (defined $fetch) {
6159 if ($fetch eq $push) {
6160 $urls_table .= format_repo_url("URL", $fetch);
6161 } else {
6162 $urls_table .= format_repo_url("Fetch URL", $fetch);
6163 $urls_table .= format_repo_url("Push URL", $push) if defined $push;
6164 }
6165 } elsif (defined $push) {
6166 $urls_table .= format_repo_url("Push URL", $push);
6167 } else {
6168 $urls_table .= format_repo_url("", "No remote URL");
6169 }
6170
6171 $urls_table .= "</table>\n";
6172
6173 my $dots;
6174 if (defined $limit && $limit < @$heads) {
6175 $dots = $cgi->a({-href => href(action=>"remotes", hash=>$remote)}, "...");
6176 }
6177
6178 print $urls_table;
6179 git_heads_body($heads, $head, 0, $limit, $dots);
6180 }
6181
6182 # Display a list of remote names with the respective fetch and push URLs
6183 sub git_remotes_list {
6184 my ($remotedata, $limit) = @_;
6185 print "<table class=\"heads\">\n";
6186 my $alternate = 1;
6187 my @remotes = sort keys %$remotedata;
6188
6189 my $limited = $limit && $limit < @remotes;
6190
6191 $#remotes = $limit - 1 if $limited;
6192
6193 while (my $remote = shift @remotes) {
6194 my $rdata = $remotedata->{$remote};
6195 my $fetch = $rdata->{'fetch'};
6196 my $push = $rdata->{'push'};
6197 if ($alternate) {
6198 print "<tr class=\"dark\">\n";
6199 } else {
6200 print "<tr class=\"light\">\n";
6201 }
6202 $alternate ^= 1;
6203 print "<td>" .
6204 $cgi->a({-href=> href(action=>'remotes', hash=>$remote),
6205 -class=> "list name"},esc_html($remote)) .
6206 "</td>";
6207 print "<td class=\"link\">" .
6208 (defined $fetch ? $cgi->a({-href=> $fetch}, "fetch") : "fetch") .
6209 " | " .
6210 (defined $push ? $cgi->a({-href=> $push}, "push") : "push") .
6211 "</td>";
6212
6213 print "</tr>\n";
6214 }
6215
6216 if ($limited) {
6217 print "<tr>\n" .
6218 "<td colspan=\"3\">" .
6219 $cgi->a({-href => href(action=>"remotes")}, "...") .
6220 "</td>\n" . "</tr>\n";
6221 }
6222
6223 print "</table>";
6224 }
6225
6226 # Display remote heads grouped by remote, unless there are too many
6227 # remotes, in which case we only display the remote names
6228 sub git_remotes_body {
6229 my ($remotedata, $limit, $head) = @_;
6230 if ($limit and $limit < keys %$remotedata) {
6231 git_remotes_list($remotedata, $limit);
6232 } else {
6233 fill_remote_heads($remotedata);
6234 while (my ($remote, $rdata) = each %$remotedata) {
6235 git_print_section({-class=>"remote", -id=>$remote},
6236 ["remotes", $remote, $remote], sub {
6237 git_remote_block($remote, $rdata, $limit, $head);
6238 });
6239 }
6240 }
6241 }
6242
6243 sub git_search_message {
6244 my %co = @_;
6245
6246 my $greptype;
6247 if ($searchtype eq 'commit') {
6248 $greptype = "--grep=";
6249 } elsif ($searchtype eq 'author') {
6250 $greptype = "--author=";
6251 } elsif ($searchtype eq 'committer') {
6252 $greptype = "--committer=";
6253 }
6254 $greptype .= $searchtext;
6255 my @commitlist = parse_commits($hash, 101, (100 * $page), undef,
6256 $greptype, '--regexp-ignore-case',
6257 $search_use_regexp ? '--extended-regexp' : '--fixed-strings');
6258
6259 my $paging_nav = '';
6260 if ($page > 0) {
6261 $paging_nav .=
6262 $cgi->a({-href => href(-replay=>1, page=>undef)},
6263 "first") .
6264 " &sdot; " .
6265 $cgi->a({-href => href(-replay=>1, page=>$page-1),
6266 -accesskey => "p", -title => "Alt-p"}, "prev");
6267 } else {
6268 $paging_nav .= "first &sdot; prev";
6269 }
6270 my $next_link = '';
6271 if ($#commitlist >= 100) {
6272 $next_link =
6273 $cgi->a({-href => href(-replay=>1, page=>$page+1),
6274 -accesskey => "n", -title => "Alt-n"}, "next");
6275 $paging_nav .= " &sdot; $next_link";
6276 } else {
6277 $paging_nav .= " &sdot; next";
6278 }
6279
6280 git_header_html();
6281
6282 git_print_page_nav('','', $hash,$co{'tree'},$hash, $paging_nav);
6283 git_print_header_div('commit', esc_html($co{'title'}), $hash);
6284 if ($page == 0 && !@commitlist) {
6285 print "<p>No match.</p>\n";
6286 } else {
6287 git_search_grep_body(\@commitlist, 0, 99, $next_link);
6288 }
6289
6290 git_footer_html();
6291 }
6292
6293 sub git_search_changes {
6294 my %co = @_;
6295
6296 local $/ = "\n";
6297 open my $fd, '-|', git_cmd(), '--no-pager', 'log', @diff_opts,
6298 '--pretty=format:%H', '--no-abbrev', '--raw', "-S$searchtext",
6299 ($search_use_regexp ? '--pickaxe-regex' : ())
6300 or die_error(500, "Open git-log failed");
6301
6302 git_header_html();
6303
6304 git_print_page_nav('','', $hash,$co{'tree'},$hash);
6305 git_print_header_div('commit', esc_html($co{'title'}), $hash);
6306
6307 print "<table class=\"pickaxe search\">\n";
6308 my $alternate = 1;
6309 undef %co;
6310 my @files;
6311 while (my $line = <$fd>) {
6312 chomp $line;
6313 next unless $line;
6314
6315 my %set = parse_difftree_raw_line($line);
6316 if (defined $set{'commit'}) {
6317 # finish previous commit
6318 if (%co) {
6319 print "</td>\n" .
6320 "<td class=\"link\">" .
6321 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})},
6322 "commit") .
6323 " | " .
6324 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'},
6325 hash_base=>$co{'id'})},
6326 "tree") .
6327 "</td>\n" .
6328 "</tr>\n";
6329 }
6330
6331 if ($alternate) {
6332 print "<tr class=\"dark\">\n";
6333 } else {
6334 print "<tr class=\"light\">\n";
6335 }
6336 $alternate ^= 1;
6337 %co = parse_commit($set{'commit'});
6338 my $author = chop_and_escape_str($co{'author_name'}, 15, 5);
6339 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
6340 "<td><i>$author</i></td>\n" .
6341 "<td>" .
6342 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
6343 -class => "list subject"},
6344 chop_and_escape_str($co{'title'}, 50) . "<br/>");
6345 } elsif (defined $set{'to_id'}) {
6346 next if is_deleted(\%set);
6347
6348 print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
6349 hash=>$set{'to_id'}, file_name=>$set{'to_file'}),
6350 -class => "list"},
6351 "<span class=\"match\">" . esc_path($set{'file'}) . "</span>") .
6352 "<br/>\n";
6353 }
6354 }
6355 close $fd;
6356
6357 # finish last commit (warning: repetition!)
6358 if (%co) {
6359 print "</td>\n" .
6360 "<td class=\"link\">" .
6361 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})},
6362 "commit") .
6363 " | " .
6364 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'},
6365 hash_base=>$co{'id'})},
6366 "tree") .
6367 "</td>\n" .
6368 "</tr>\n";
6369 }
6370
6371 print "</table>\n";
6372
6373 git_footer_html();
6374 }
6375
6376 sub git_search_files {
6377 my %co = @_;
6378
6379 local $/ = "\n";
6380 open my $fd, "-|", git_cmd(), 'grep', '-n', '-z',
6381 $search_use_regexp ? ('-E', '-i') : '-F',
6382 $searchtext, $co{'tree'}
6383 or die_error(500, "Open git-grep failed");
6384
6385 git_header_html();
6386
6387 git_print_page_nav('','', $hash,$co{'tree'},$hash);
6388 git_print_header_div('commit', esc_html($co{'title'}), $hash);
6389
6390 print "<table class=\"grep_search\">\n";
6391 my $alternate = 1;
6392 my $matches = 0;
6393 my $lastfile = '';
6394 my $file_href;
6395 while (my $line = <$fd>) {
6396 chomp $line;
6397 my ($file, $lno, $ltext, $binary);
6398 last if ($matches++ > 1000);
6399 if ($line =~ /^Binary file (.+) matches$/) {
6400 $file = $1;
6401 $binary = 1;
6402 } else {
6403 ($file, $lno, $ltext) = split(/\0/, $line, 3);
6404 $file =~ s/^$co{'tree'}://;
6405 }
6406 if ($file ne $lastfile) {
6407 $lastfile and print "</td></tr>\n";
6408 if ($alternate++) {
6409 print "<tr class=\"dark\">\n";
6410 } else {
6411 print "<tr class=\"light\">\n";
6412 }
6413 $file_href = href(action=>"blob", hash_base=>$co{'id'},
6414 file_name=>$file);
6415 print "<td class=\"list\">".
6416 $cgi->a({-href => $file_href, -class => "list"}, esc_path($file));
6417 print "</td><td>\n";
6418 $lastfile = $file;
6419 }
6420 if ($binary) {
6421 print "<div class=\"binary\">Binary file</div>\n";
6422 } else {
6423 $ltext = untabify($ltext);
6424 if ($ltext =~ m/^(.*)($search_regexp)(.*)$/i) {
6425 $ltext = esc_html($1, -nbsp=>1);
6426 $ltext .= '<span class="match">';
6427 $ltext .= esc_html($2, -nbsp=>1);
6428 $ltext .= '</span>';
6429 $ltext .= esc_html($3, -nbsp=>1);
6430 } else {
6431 $ltext = esc_html($ltext, -nbsp=>1);
6432 }
6433 print "<div class=\"pre\">" .
6434 $cgi->a({-href => $file_href.'#l'.$lno,
6435 -class => "linenr"}, sprintf('%4i', $lno)) .
6436 ' ' . $ltext . "</div>\n";
6437 }
6438 }
6439 if ($lastfile) {
6440 print "</td></tr>\n";
6441 if ($matches > 1000) {
6442 print "<div class=\"diff nodifferences\">Too many matches, listing trimmed</div>\n";
6443 }
6444 } else {
6445 print "<div class=\"diff nodifferences\">No matches found</div>\n";
6446 }
6447 close $fd;
6448
6449 print "</table>\n";
6450
6451 git_footer_html();
6452 }
6453
6454 sub git_search_grep_body {
6455 my ($commitlist, $from, $to, $extra) = @_;
6456 $from = 0 unless defined $from;
6457 $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to);
6458
6459 print "<table class=\"commit_search\">\n";
6460 my $alternate = 1;
6461 for (my $i = $from; $i <= $to; $i++) {
6462 my %co = %{$commitlist->[$i]};
6463 if (!%co) {
6464 next;
6465 }
6466 my $commit = $co{'id'};
6467 if ($alternate) {
6468 print "<tr class=\"dark\">\n";
6469 } else {
6470 print "<tr class=\"light\">\n";
6471 }
6472 $alternate ^= 1;
6473 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
6474 format_author_html('td', \%co, 15, 5) .
6475 "<td>" .
6476 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
6477 -class => "list subject"},
6478 chop_and_escape_str($co{'title'}, 50) . "<br/>");
6479 my $comment = $co{'comment'};
6480 foreach my $line (@$comment) {
6481 if ($line =~ m/^(.*?)($search_regexp)(.*)$/i) {
6482 my ($lead, $match, $trail) = ($1, $2, $3);
6483 $match = chop_str($match, 70, 5, 'center');
6484 my $contextlen = int((80 - length($match))/2);
6485 $contextlen = 30 if ($contextlen > 30);
6486 $lead = chop_str($lead, $contextlen, 10, 'left');
6487 $trail = chop_str($trail, $contextlen, 10, 'right');
6488
6489 $lead = esc_html($lead);
6490 $match = esc_html($match);
6491 $trail = esc_html($trail);
6492
6493 print "$lead<span class=\"match\">$match</span>$trail<br />";
6494 }
6495 }
6496 print "</td>\n" .
6497 "<td class=\"link\">" .
6498 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
6499 " | " .
6500 $cgi->a({-href => href(action=>"commitdiff", hash=>$co{'id'})}, "commitdiff") .
6501 " | " .
6502 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
6503 print "</td>\n" .
6504 "</tr>\n";
6505 }
6506 if (defined $extra) {
6507 print "<tr>\n" .
6508 "<td colspan=\"3\">$extra</td>\n" .
6509 "</tr>\n";
6510 }
6511 print "</table>\n";
6512 }
6513
6514 ## ======================================================================
6515 ## ======================================================================
6516 ## actions
6517
6518 sub git_project_list {
6519 my $order = $input_params{'order'};
6520 if (defined $order && $order !~ m/none|project|descr|owner|age/) {
6521 die_error(400, "Unknown order parameter");
6522 }
6523
6524 my @list = git_get_projects_list($project_filter, $strict_export);
6525 if (!@list) {
6526 die_error(404, "No projects found");
6527 }
6528
6529 git_header_html();
6530 if (defined $home_text && -f $home_text) {
6531 print "<div class=\"index_include\">\n";
6532 insert_file($home_text);
6533 print "</div>\n";
6534 }
6535
6536 git_project_search_form($searchtext, $search_use_regexp);
6537 git_project_list_body(\@list, $order);
6538 git_footer_html();
6539 }
6540
6541 sub git_forks {
6542 my $order = $input_params{'order'};
6543 if (defined $order && $order !~ m/none|project|descr|owner|age/) {
6544 die_error(400, "Unknown order parameter");
6545 }
6546
6547 my $filter = $project;
6548 $filter =~ s/\.git$//;
6549 my @list = git_get_projects_list($filter);
6550 if (!@list) {
6551 die_error(404, "No forks found");
6552 }
6553
6554 git_header_html();
6555 git_print_page_nav('','');
6556 git_print_header_div('summary', "$project forks");
6557 git_project_list_body(\@list, $order);
6558 git_footer_html();
6559 }
6560
6561 sub git_project_index {
6562 my @projects = git_get_projects_list($project_filter, $strict_export);
6563 if (!@projects) {
6564 die_error(404, "No projects found");
6565 }
6566
6567 print $cgi->header(
6568 -type => 'text/plain',
6569 -charset => 'utf-8',
6570 -content_disposition => 'inline; filename="index.aux"');
6571
6572 foreach my $pr (@projects) {
6573 if (!exists $pr->{'owner'}) {
6574 $pr->{'owner'} = git_get_project_owner("$pr->{'path'}");
6575 }
6576
6577 my ($path, $owner) = ($pr->{'path'}, $pr->{'owner'});
6578 # quote as in CGI::Util::encode, but keep the slash, and use '+' for ' '
6579 $path =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
6580 $owner =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
6581 $path =~ s/ /\+/g;
6582 $owner =~ s/ /\+/g;
6583
6584 print "$path $owner\n";
6585 }
6586 }
6587
6588 sub git_summary {
6589 my $descr = git_get_project_description($project) || "none";
6590 my %co = parse_commit("HEAD");
6591 my %cd = %co ? parse_date($co{'committer_epoch'}, $co{'committer_tz'}) : ();
6592 my $head = $co{'id'};
6593 my $remote_heads = gitweb_check_feature('remote_heads');
6594
6595 my $owner = git_get_project_owner($project);
6596
6597 my $refs = git_get_references();
6598 # These get_*_list functions return one more to allow us to see if
6599 # there are more ...
6600 my @taglist = git_get_tags_list(16);
6601 my @headlist = git_get_heads_list(16);
6602 my %remotedata = $remote_heads ? git_get_remotes_list() : ();
6603 my @forklist;
6604 my $check_forks = gitweb_check_feature('forks');
6605
6606 if ($check_forks) {
6607 # find forks of a project
6608 my $filter = $project;
6609 $filter =~ s/\.git$//;
6610 @forklist = git_get_projects_list($filter);
6611 # filter out forks of forks
6612 @forklist = filter_forks_from_projects_list(\@forklist)
6613 if (@forklist);
6614 }
6615
6616 git_header_html();
6617 git_print_page_nav('summary','', $head);
6618
6619 print "<div class=\"title\">&nbsp;</div>\n";
6620 print "<table class=\"projects_list\">\n" .
6621 "<tr id=\"metadata_desc\"><td>description</td><td>" . esc_html($descr) . "</td></tr>\n";
6622 if ($owner and not $omit_owner) {
6623 print "<tr id=\"metadata_owner\"><td>owner</td><td>" . esc_html($owner) . "</td></tr>\n";
6624 }
6625 if (defined $cd{'rfc2822'}) {
6626 print "<tr id=\"metadata_lchange\"><td>last change</td>" .
6627 "<td>".format_timestamp_html(\%cd)."</td></tr>\n";
6628 }
6629
6630 # use per project git URL list in $projectroot/$project/cloneurl
6631 # or make project git URL from git base URL and project name
6632 my $url_tag = "URL";
6633 my @url_list = git_get_project_url_list($project);
6634 @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
6635 foreach my $git_url (@url_list) {
6636 next unless $git_url;
6637 print format_repo_url($url_tag, $git_url);
6638 $url_tag = "";
6639 }
6640
6641 # Tag cloud
6642 my $show_ctags = gitweb_check_feature('ctags');
6643 if ($show_ctags) {
6644 my $ctags = git_get_project_ctags($project);
6645 if (%$ctags) {
6646 # without ability to add tags, don't show if there are none
6647 my $cloud = git_populate_project_tagcloud($ctags);
6648 print "<tr id=\"metadata_ctags\">" .
6649 "<td>content tags</td>" .
6650 "<td>".git_show_project_tagcloud($cloud, 48)."</td>" .
6651 "</tr>\n";
6652 }
6653 }
6654
6655 print "</table>\n";
6656
6657 # If XSS prevention is on, we don't include README.html.
6658 # TODO: Allow a readme in some safe format.
6659 if (!$prevent_xss && -s "$projectroot/$project/README.html") {
6660 print "<div class=\"title\">readme</div>\n" .
6661 "<div class=\"readme\">\n";
6662 insert_file("$projectroot/$project/README.html");
6663 print "\n</div>\n"; # class="readme"
6664 }
6665
6666 # we need to request one more than 16 (0..15) to check if
6667 # those 16 are all
6668 my @commitlist = $head ? parse_commits($head, 17) : ();
6669 if (@commitlist) {
6670 git_print_header_div('shortlog');
6671 git_shortlog_body(\@commitlist, 0, 15, $refs,
6672 $#commitlist <= 15 ? undef :
6673 $cgi->a({-href => href(action=>"shortlog")}, "..."));
6674 }
6675
6676 if (@taglist) {
6677 git_print_header_div('tags');
6678 git_tags_body(\@taglist, 0, 15,
6679 $#taglist <= 15 ? undef :
6680 $cgi->a({-href => href(action=>"tags")}, "..."));
6681 }
6682
6683 if (@headlist) {
6684 git_print_header_div('heads');
6685 git_heads_body(\@headlist, $head, 0, 15,
6686 $#headlist <= 15 ? undef :
6687 $cgi->a({-href => href(action=>"heads")}, "..."));
6688 }
6689
6690 if (%remotedata) {
6691 git_print_header_div('remotes');
6692 git_remotes_body(\%remotedata, 15, $head);
6693 }
6694
6695 if (@forklist) {
6696 git_print_header_div('forks');
6697 git_project_list_body(\@forklist, 'age', 0, 15,
6698 $#forklist <= 15 ? undef :
6699 $cgi->a({-href => href(action=>"forks")}, "..."),
6700 'no_header');
6701 }
6702
6703 git_footer_html();
6704 }
6705
6706 sub git_tag {
6707 my %tag = parse_tag($hash);
6708
6709 if (! %tag) {
6710 die_error(404, "Unknown tag object");
6711 }
6712
6713 my $head = git_get_head_hash($project);
6714 git_header_html();
6715 git_print_page_nav('','', $head,undef,$head);
6716 git_print_header_div('commit', esc_html($tag{'name'}), $hash);
6717 print "<div class=\"title_text\">\n" .
6718 "<table class=\"object_header\">\n" .
6719 "<tr>\n" .
6720 "<td>object</td>\n" .
6721 "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
6722 $tag{'object'}) . "</td>\n" .
6723 "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
6724 $tag{'type'}) . "</td>\n" .
6725 "</tr>\n";
6726 if (defined($tag{'author'})) {
6727 git_print_authorship_rows(\%tag, 'author');
6728 }
6729 print "</table>\n\n" .
6730 "</div>\n";
6731 print "<div class=\"page_body\">";
6732 my $comment = $tag{'comment'};
6733 foreach my $line (@$comment) {
6734 chomp $line;
6735 print esc_html($line, -nbsp=>1) . "<br/>\n";
6736 }
6737 print "</div>\n";
6738 git_footer_html();
6739 }
6740
6741 sub git_blame_common {
6742 my $format = shift || 'porcelain';
6743 if ($format eq 'porcelain' && $input_params{'javascript'}) {
6744 $format = 'incremental';
6745 $action = 'blame_incremental'; # for page title etc
6746 }
6747
6748 # permissions
6749 gitweb_check_feature('blame')
6750 or die_error(403, "Blame view not allowed");
6751
6752 # error checking
6753 die_error(400, "No file name given") unless $file_name;
6754 $hash_base ||= git_get_head_hash($project);
6755 die_error(404, "Couldn't find base commit") unless $hash_base;
6756 my %co = parse_commit($hash_base)
6757 or die_error(404, "Commit not found");
6758 my $ftype = "blob";
6759 if (!defined $hash) {
6760 $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
6761 or die_error(404, "Error looking up file");
6762 } else {
6763 $ftype = git_get_type($hash);
6764 if ($ftype !~ "blob") {
6765 die_error(400, "Object is not a blob");
6766 }
6767 }
6768
6769 my $fd;
6770 if ($format eq 'incremental') {
6771 # get file contents (as base)
6772 open $fd, "-|", git_cmd(), 'cat-file', 'blob', $hash
6773 or die_error(500, "Open git-cat-file failed");
6774 } elsif ($format eq 'data') {
6775 # run git-blame --incremental
6776 open $fd, "-|", git_cmd(), "blame", "--incremental",
6777 $hash_base, "--", $file_name
6778 or die_error(500, "Open git-blame --incremental failed");
6779 } else {
6780 # run git-blame --porcelain
6781 open $fd, "-|", git_cmd(), "blame", '-p',
6782 $hash_base, '--', $file_name
6783 or die_error(500, "Open git-blame --porcelain failed");
6784 }
6785 binmode $fd, ':utf8';
6786
6787 # incremental blame data returns early
6788 if ($format eq 'data') {
6789 print $cgi->header(
6790 -type=>"text/plain", -charset => "utf-8",
6791 -status=> "200 OK");
6792 local $| = 1; # output autoflush
6793 while (my $line = <$fd>) {
6794 print to_utf8($line);
6795 }
6796 close $fd
6797 or print "ERROR $!\n";
6798
6799 print 'END';
6800 if (defined $t0 && gitweb_check_feature('timed')) {
6801 print ' '.
6802 tv_interval($t0, [ gettimeofday() ]).
6803 ' '.$number_of_git_cmds;
6804 }
6805 print "\n";
6806
6807 return;
6808 }
6809
6810 # page header
6811 git_header_html();
6812 my $formats_nav =
6813 $cgi->a({-href => href(action=>"blob", -replay=>1)},
6814 "blob") .
6815 " | ";
6816 if ($format eq 'incremental') {
6817 $formats_nav .=
6818 $cgi->a({-href => href(action=>"blame", javascript=>0, -replay=>1)},
6819 "blame") . " (non-incremental)";
6820 } else {
6821 $formats_nav .=
6822 $cgi->a({-href => href(action=>"blame_incremental", -replay=>1)},
6823 "blame") . " (incremental)";
6824 }
6825 $formats_nav .=
6826 " | " .
6827 $cgi->a({-href => href(action=>"history", -replay=>1)},
6828 "history") .
6829 " | " .
6830 $cgi->a({-href => href(action=>$action, file_name=>$file_name)},
6831 "HEAD");
6832 git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
6833 git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
6834 git_print_page_path($file_name, $ftype, $hash_base);
6835
6836 # page body
6837 if ($format eq 'incremental') {
6838 print "<noscript>\n<div class=\"error\"><center><b>\n".
6839 "This page requires JavaScript to run.\n Use ".
6840 $cgi->a({-href => href(action=>'blame',javascript=>0,-replay=>1)},
6841 'this page').
6842 " instead.\n".
6843 "</b></center></div>\n</noscript>\n";
6844
6845 print qq!<div id="progress_bar" style="width: 100%; background-color: yellow"></div>\n!;
6846 }
6847
6848 print qq!<div class="page_body">\n!;
6849 print qq!<div id="progress_info">... / ...</div>\n!
6850 if ($format eq 'incremental');
6851 print qq!<table id="blame_table" class="blame" width="100%">\n!.
6852 #qq!<col width="5.5em" /><col width="2.5em" /><col width="*" />\n!.
6853 qq!<thead>\n!.
6854 qq!<tr><th>Commit</th><th>Line</th><th>Data</th></tr>\n!.
6855 qq!</thead>\n!.
6856 qq!<tbody>\n!;
6857
6858 my @rev_color = qw(light dark);
6859 my $num_colors = scalar(@rev_color);
6860 my $current_color = 0;
6861
6862 if ($format eq 'incremental') {
6863 my $color_class = $rev_color[$current_color];
6864
6865 #contents of a file
6866 my $linenr = 0;
6867 LINE:
6868 while (my $line = <$fd>) {
6869 chomp $line;
6870 $linenr++;
6871
6872 print qq!<tr id="l$linenr" class="$color_class">!.
6873 qq!<td class="sha1"><a href=""> </a></td>!.
6874 qq!<td class="linenr">!.
6875 qq!<a class="linenr" href="">$linenr</a></td>!;
6876 print qq!<td class="pre">! . esc_html($line) . "</td>\n";
6877 print qq!</tr>\n!;
6878 }
6879
6880 } else { # porcelain, i.e. ordinary blame
6881 my %metainfo = (); # saves information about commits
6882
6883 # blame data
6884 LINE:
6885 while (my $line = <$fd>) {
6886 chomp $line;
6887 # the header: <SHA-1> <src lineno> <dst lineno> [<lines in group>]
6888 # no <lines in group> for subsequent lines in group of lines
6889 my ($full_rev, $orig_lineno, $lineno, $group_size) =
6890 ($line =~ /^($oid_regex) (\d+) (\d+)(?: (\d+))?$/);
6891 if (!exists $metainfo{$full_rev}) {
6892 $metainfo{$full_rev} = { 'nprevious' => 0 };
6893 }
6894 my $meta = $metainfo{$full_rev};
6895 my $data;
6896 while ($data = <$fd>) {
6897 chomp $data;
6898 last if ($data =~ s/^\t//); # contents of line
6899 if ($data =~ /^(\S+)(?: (.*))?$/) {
6900 $meta->{$1} = $2 unless exists $meta->{$1};
6901 }
6902 if ($data =~ /^previous /) {
6903 $meta->{'nprevious'}++;
6904 }
6905 }
6906 my $short_rev = substr($full_rev, 0, 8);
6907 my $author = $meta->{'author'};
6908 my %date =
6909 parse_date($meta->{'author-time'}, $meta->{'author-tz'});
6910 my $date = $date{'iso-tz'};
6911 if ($group_size) {
6912 $current_color = ($current_color + 1) % $num_colors;
6913 }
6914 my $tr_class = $rev_color[$current_color];
6915 $tr_class .= ' boundary' if (exists $meta->{'boundary'});
6916 $tr_class .= ' no-previous' if ($meta->{'nprevious'} == 0);
6917 $tr_class .= ' multiple-previous' if ($meta->{'nprevious'} > 1);
6918 print "<tr id=\"l$lineno\" class=\"$tr_class\">\n";
6919 if ($group_size) {
6920 print "<td class=\"sha1\"";
6921 print " title=\"". esc_html($author) . ", $date\"";
6922 print " rowspan=\"$group_size\"" if ($group_size > 1);
6923 print ">";
6924 print $cgi->a({-href => href(action=>"commit",
6925 hash=>$full_rev,
6926 file_name=>$file_name)},
6927 esc_html($short_rev));
6928 if ($group_size >= 2) {
6929 my @author_initials = ($author =~ /\b([[:upper:]])\B/g);
6930 if (@author_initials) {
6931 print "<br />" .
6932 esc_html(join('', @author_initials));
6933 # or join('.', ...)
6934 }
6935 }
6936 print "</td>\n";
6937 }
6938 # 'previous' <sha1 of parent commit> <filename at commit>
6939 if (exists $meta->{'previous'} &&
6940 $meta->{'previous'} =~ /^($oid_regex) (.*)$/) {
6941 $meta->{'parent'} = $1;
6942 $meta->{'file_parent'} = unquote($2);
6943 }
6944 my $linenr_commit =
6945 exists($meta->{'parent'}) ?
6946 $meta->{'parent'} : $full_rev;
6947 my $linenr_filename =
6948 exists($meta->{'file_parent'}) ?
6949 $meta->{'file_parent'} : unquote($meta->{'filename'});
6950 my $blamed = href(action => 'blame',
6951 file_name => $linenr_filename,
6952 hash_base => $linenr_commit);
6953 print "<td class=\"linenr\">";
6954 print $cgi->a({ -href => "$blamed#l$orig_lineno",
6955 -class => "linenr" },
6956 esc_html($lineno));
6957 print "</td>";
6958 print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
6959 print "</tr>\n";
6960 } # end while
6961
6962 }
6963
6964 # footer
6965 print "</tbody>\n".
6966 "</table>\n"; # class="blame"
6967 print "</div>\n"; # class="blame_body"
6968 close $fd
6969 or print "Reading blob failed\n";
6970
6971 git_footer_html();
6972 }
6973
6974 sub git_blame {
6975 git_blame_common();
6976 }
6977
6978 sub git_blame_incremental {
6979 git_blame_common('incremental');
6980 }
6981
6982 sub git_blame_data {
6983 git_blame_common('data');
6984 }
6985
6986 sub git_tags {
6987 my $head = git_get_head_hash($project);
6988 git_header_html();
6989 git_print_page_nav('','', $head,undef,$head,format_ref_views('tags'));
6990 git_print_header_div('summary', $project);
6991
6992 my @tagslist = git_get_tags_list();
6993 if (@tagslist) {
6994 git_tags_body(\@tagslist);
6995 }
6996 git_footer_html();
6997 }
6998
6999 sub git_heads {
7000 my $head = git_get_head_hash($project);
7001 git_header_html();
7002 git_print_page_nav('','', $head,undef,$head,format_ref_views('heads'));
7003 git_print_header_div('summary', $project);
7004
7005 my @headslist = git_get_heads_list();
7006 if (@headslist) {
7007 git_heads_body(\@headslist, $head);
7008 }
7009 git_footer_html();
7010 }
7011
7012 # used both for single remote view and for list of all the remotes
7013 sub git_remotes {
7014 gitweb_check_feature('remote_heads')
7015 or die_error(403, "Remote heads view is disabled");
7016
7017 my $head = git_get_head_hash($project);
7018 my $remote = $input_params{'hash'};
7019
7020 my $remotedata = git_get_remotes_list($remote);
7021 die_error(500, "Unable to get remote information") unless defined $remotedata;
7022
7023 unless (%$remotedata) {
7024 die_error(404, defined $remote ?
7025 "Remote $remote not found" :
7026 "No remotes found");
7027 }
7028
7029 git_header_html(undef, undef, -action_extra => $remote);
7030 git_print_page_nav('', '', $head, undef, $head,
7031 format_ref_views($remote ? '' : 'remotes'));
7032
7033 fill_remote_heads($remotedata);
7034 if (defined $remote) {
7035 git_print_header_div('remotes', "$remote remote for $project");
7036 git_remote_block($remote, $remotedata->{$remote}, undef, $head);
7037 } else {
7038 git_print_header_div('summary', "$project remotes");
7039 git_remotes_body($remotedata, undef, $head);
7040 }
7041
7042 git_footer_html();
7043 }
7044
7045 sub git_blob_plain {
7046 my $type = shift;
7047 my $expires;
7048
7049 if (!defined $hash) {
7050 if (defined $file_name) {
7051 my $base = $hash_base || git_get_head_hash($project);
7052 $hash = git_get_hash_by_path($base, $file_name, "blob")
7053 or die_error(404, "Cannot find file");
7054 } else {
7055 die_error(400, "No file name defined");
7056 }
7057 } elsif ($hash =~ m/^$oid_regex$/) {
7058 # blobs defined by non-textual hash id's can be cached
7059 $expires = "+1d";
7060 }
7061
7062 open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
7063 or die_error(500, "Open git-cat-file blob '$hash' failed");
7064
7065 # content-type (can include charset)
7066 $type = blob_contenttype($fd, $file_name, $type);
7067
7068 # "save as" filename, even when no $file_name is given
7069 my $save_as = "$hash";
7070 if (defined $file_name) {
7071 $save_as = $file_name;
7072 } elsif ($type =~ m/^text\//) {
7073 $save_as .= '.txt';
7074 }
7075
7076 # With XSS prevention on, blobs of all types except a few known safe
7077 # ones are served with "Content-Disposition: attachment" to make sure
7078 # they don't run in our security domain. For certain image types,
7079 # blob view writes an <img> tag referring to blob_plain view, and we
7080 # want to be sure not to break that by serving the image as an
7081 # attachment (though Firefox 3 doesn't seem to care).
7082 my $sandbox = $prevent_xss &&
7083 $type !~ m!^(?:text/[a-z]+|image/(?:gif|png|jpeg))(?:[ ;]|$)!;
7084
7085 # serve text/* as text/plain
7086 if ($prevent_xss &&
7087 ($type =~ m!^text/[a-z]+\b(.*)$! ||
7088 ($type =~ m!^[a-z]+/[a-z]\+xml\b(.*)$! && -T $fd))) {
7089 my $rest = $1;
7090 $rest = defined $rest ? $rest : '';
7091 $type = "text/plain$rest";
7092 }
7093
7094 print $cgi->header(
7095 -type => $type,
7096 -expires => $expires,
7097 -content_disposition =>
7098 ($sandbox ? 'attachment' : 'inline')
7099 . '; filename="' . $save_as . '"');
7100 local $/ = undef;
7101 local *FCGI::Stream::PRINT = $FCGI_Stream_PRINT_raw;
7102 binmode STDOUT, ':raw';
7103 print <$fd>;
7104 binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
7105 close $fd;
7106 }
7107
7108 sub git_blob {
7109 my $expires;
7110
7111 if (!defined $hash) {
7112 if (defined $file_name) {
7113 my $base = $hash_base || git_get_head_hash($project);
7114 $hash = git_get_hash_by_path($base, $file_name, "blob")
7115 or die_error(404, "Cannot find file");
7116 } else {
7117 die_error(400, "No file name defined");
7118 }
7119 } elsif ($hash =~ m/^$oid_regex$/) {
7120 # blobs defined by non-textual hash id's can be cached
7121 $expires = "+1d";
7122 }
7123
7124 my $have_blame = gitweb_check_feature('blame');
7125 open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
7126 or die_error(500, "Couldn't cat $file_name, $hash");
7127 my $mimetype = blob_mimetype($fd, $file_name);
7128 # use 'blob_plain' (aka 'raw') view for files that cannot be displayed
7129 if ($mimetype !~ m!^(?:text/|image/(?:gif|png|jpeg)$)! && -B $fd) {
7130 close $fd;
7131 return git_blob_plain($mimetype);
7132 }
7133 # we can have blame only for text/* mimetype
7134 $have_blame &&= ($mimetype =~ m!^text/!);
7135
7136 my $highlight = gitweb_check_feature('highlight');
7137 my $syntax = guess_file_syntax($highlight, $file_name);
7138 $fd = run_highlighter($fd, $highlight, $syntax);
7139
7140 git_header_html(undef, $expires);
7141 my $formats_nav = '';
7142 if (defined $hash_base && (my %co = parse_commit($hash_base))) {
7143 if (defined $file_name) {
7144 if ($have_blame) {
7145 $formats_nav .=
7146 $cgi->a({-href => href(action=>"blame", -replay=>1)},
7147 "blame") .
7148 " | ";
7149 }
7150 $formats_nav .=
7151 $cgi->a({-href => href(action=>"history", -replay=>1)},
7152 "history") .
7153 " | " .
7154 $cgi->a({-href => href(action=>"blob_plain", -replay=>1)},
7155 "raw") .
7156 " | " .
7157 $cgi->a({-href => href(action=>"blob",
7158 hash_base=>"HEAD", file_name=>$file_name)},
7159 "HEAD");
7160 } else {
7161 $formats_nav .=
7162 $cgi->a({-href => href(action=>"blob_plain", -replay=>1)},
7163 "raw");
7164 }
7165 git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
7166 git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
7167 } else {
7168 print "<div class=\"page_nav\">\n" .
7169 "<br/><br/></div>\n" .
7170 "<div class=\"title\">".esc_html($hash)."</div>\n";
7171 }
7172 git_print_page_path($file_name, "blob", $hash_base);
7173 print "<div class=\"page_body\">\n";
7174 if ($mimetype =~ m!^image/!) {
7175 print qq!<img class="blob" type="!.esc_attr($mimetype).qq!"!;
7176 if ($file_name) {
7177 print qq! alt="!.esc_attr($file_name).qq!" title="!.esc_attr($file_name).qq!"!;
7178 }
7179 print qq! src="! .
7180 esc_attr(href(action=>"blob_plain", hash=>$hash,
7181 hash_base=>$hash_base, file_name=>$file_name)) .
7182 qq!" />\n!;
7183 } else {
7184 my $nr;
7185 while (my $line = <$fd>) {
7186 chomp $line;
7187 $nr++;
7188 $line = untabify($line);
7189 printf qq!<div class="pre"><a id="l%i" href="%s#l%i" class="linenr">%4i</a> %s</div>\n!,
7190 $nr, esc_attr(href(-replay => 1)), $nr, $nr,
7191 $highlight ? sanitize($line) : esc_html($line, -nbsp=>1);
7192 }
7193 }
7194 close $fd
7195 or print "Reading blob failed.\n";
7196 print "</div>";
7197 git_footer_html();
7198 }
7199
7200 sub git_tree {
7201 if (!defined $hash_base) {
7202 $hash_base = "HEAD";
7203 }
7204 if (!defined $hash) {
7205 if (defined $file_name) {
7206 $hash = git_get_hash_by_path($hash_base, $file_name, "tree");
7207 } else {
7208 $hash = $hash_base;
7209 }
7210 }
7211 die_error(404, "No such tree") unless defined($hash);
7212
7213 my $show_sizes = gitweb_check_feature('show-sizes');
7214 my $have_blame = gitweb_check_feature('blame');
7215
7216 my @entries = ();
7217 {
7218 local $/ = "\0";
7219 open my $fd, "-|", git_cmd(), "ls-tree", '-z',
7220 ($show_sizes ? '-l' : ()), @extra_options, $hash
7221 or die_error(500, "Open git-ls-tree failed");
7222 @entries = map { chomp; $_ } <$fd>;
7223 close $fd
7224 or die_error(404, "Reading tree failed");
7225 }
7226
7227 my $refs = git_get_references();
7228 my $ref = format_ref_marker($refs, $hash_base);
7229 git_header_html();
7230 my $basedir = '';
7231 if (defined $hash_base && (my %co = parse_commit($hash_base))) {
7232 my @views_nav = ();
7233 if (defined $file_name) {
7234 push @views_nav,
7235 $cgi->a({-href => href(action=>"history", -replay=>1)},
7236 "history"),
7237 $cgi->a({-href => href(action=>"tree",
7238 hash_base=>"HEAD", file_name=>$file_name)},
7239 "HEAD"),
7240 }
7241 my $snapshot_links = format_snapshot_links($hash);
7242 if (defined $snapshot_links) {
7243 # FIXME: Should be available when we have no hash base as well.
7244 push @views_nav, $snapshot_links;
7245 }
7246 git_print_page_nav('tree','', $hash_base, undef, undef,
7247 join(' | ', @views_nav));
7248 git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
7249 } else {
7250 undef $hash_base;
7251 print "<div class=\"page_nav\">\n";
7252 print "<br/><br/></div>\n";
7253 print "<div class=\"title\">".esc_html($hash)."</div>\n";
7254 }
7255 if (defined $file_name) {
7256 $basedir = $file_name;
7257 if ($basedir ne '' && substr($basedir, -1) ne '/') {
7258 $basedir .= '/';
7259 }
7260 git_print_page_path($file_name, 'tree', $hash_base);
7261 }
7262 print "<div class=\"page_body\">\n";
7263 print "<table class=\"tree\">\n";
7264 my $alternate = 1;
7265 # '..' (top directory) link if possible
7266 if (defined $hash_base &&
7267 defined $file_name && $file_name =~ m![^/]+$!) {
7268 if ($alternate) {
7269 print "<tr class=\"dark\">\n";
7270 } else {
7271 print "<tr class=\"light\">\n";
7272 }
7273 $alternate ^= 1;
7274
7275 my $up = $file_name;
7276 $up =~ s!/?[^/]+$!!;
7277 undef $up unless $up;
7278 # based on git_print_tree_entry
7279 print '<td class="mode">' . mode_str('040000') . "</td>\n";
7280 print '<td class="size">&nbsp;</td>'."\n" if $show_sizes;
7281 print '<td class="list">';
7282 print $cgi->a({-href => href(action=>"tree",
7283 hash_base=>$hash_base,
7284 file_name=>$up)},
7285 "..");
7286 print "</td>\n";
7287 print "<td class=\"link\"></td>\n";
7288
7289 print "</tr>\n";
7290 }
7291 foreach my $line (@entries) {
7292 my %t = parse_ls_tree_line($line, -z => 1, -l => $show_sizes);
7293
7294 if ($alternate) {
7295 print "<tr class=\"dark\">\n";
7296 } else {
7297 print "<tr class=\"light\">\n";
7298 }
7299 $alternate ^= 1;
7300
7301 git_print_tree_entry(\%t, $basedir, $hash_base, $have_blame);
7302
7303 print "</tr>\n";
7304 }
7305 print "</table>\n" .
7306 "</div>";
7307 git_footer_html();
7308 }
7309
7310 sub sanitize_for_filename {
7311 my $name = shift;
7312
7313 $name =~ s!/!-!g;
7314 $name =~ s/[^[:alnum:]_.-]//g;
7315
7316 return $name;
7317 }
7318
7319 sub snapshot_name {
7320 my ($project, $hash) = @_;
7321
7322 # path/to/project.git -> project
7323 # path/to/project/.git -> project
7324 my $name = to_utf8($project);
7325 $name =~ s,([^/])/*\.git$,$1,;
7326 $name = sanitize_for_filename(basename($name));
7327
7328 my $ver = $hash;
7329 if ($hash =~ /^[0-9a-fA-F]+$/) {
7330 # shorten SHA-1 hash
7331 my $full_hash = git_get_full_hash($project, $hash);
7332 if ($full_hash =~ /^$hash/ && length($hash) > 7) {
7333 $ver = git_get_short_hash($project, $hash);
7334 }
7335 } elsif ($hash =~ m!^refs/tags/(.*)$!) {
7336 # tags don't need shortened SHA-1 hash
7337 $ver = $1;
7338 } else {
7339 # branches and other need shortened SHA-1 hash
7340 my $strip_refs = join '|', map { quotemeta } get_branch_refs();
7341 if ($hash =~ m!^refs/($strip_refs|remotes)/(.*)$!) {
7342 my $ref_dir = (defined $1) ? $1 : '';
7343 $ver = $2;
7344
7345 $ref_dir = sanitize_for_filename($ref_dir);
7346 # for refs neither in heads nor remotes we want to
7347 # add a ref dir to archive name
7348 if ($ref_dir ne '' and $ref_dir ne 'heads' and $ref_dir ne 'remotes') {
7349 $ver = $ref_dir . '-' . $ver;
7350 }
7351 }
7352 $ver .= '-' . git_get_short_hash($project, $hash);
7353 }
7354 # special case of sanitization for filename - we change
7355 # slashes to dots instead of dashes
7356 # in case of hierarchical branch names
7357 $ver =~ s!/!.!g;
7358 $ver =~ s/[^[:alnum:]_.-]//g;
7359
7360 # name = project-version_string
7361 $name = "$name-$ver";
7362
7363 return wantarray ? ($name, $name) : $name;
7364 }
7365
7366 sub exit_if_unmodified_since {
7367 my ($latest_epoch) = @_;
7368 our $cgi;
7369
7370 my $if_modified = $cgi->http('IF_MODIFIED_SINCE');
7371 if (defined $if_modified) {
7372 my $since;
7373 if (eval { require HTTP::Date; 1; }) {
7374 $since = HTTP::Date::str2time($if_modified);
7375 } elsif (eval { require Time::ParseDate; 1; }) {
7376 $since = Time::ParseDate::parsedate($if_modified, GMT => 1);
7377 }
7378 if (defined $since && $latest_epoch <= $since) {
7379 my %latest_date = parse_date($latest_epoch);
7380 print $cgi->header(
7381 -last_modified => $latest_date{'rfc2822'},
7382 -status => '304 Not Modified');
7383 goto DONE_GITWEB;
7384 }
7385 }
7386 }
7387
7388 sub git_snapshot {
7389 my $format = $input_params{'snapshot_format'};
7390 if (!@snapshot_fmts) {
7391 die_error(403, "Snapshots not allowed");
7392 }
7393 # default to first supported snapshot format
7394 $format ||= $snapshot_fmts[0];
7395 if ($format !~ m/^[a-z0-9]+$/) {
7396 die_error(400, "Invalid snapshot format parameter");
7397 } elsif (!exists($known_snapshot_formats{$format})) {
7398 die_error(400, "Unknown snapshot format");
7399 } elsif ($known_snapshot_formats{$format}{'disabled'}) {
7400 die_error(403, "Snapshot format not allowed");
7401 } elsif (!grep($_ eq $format, @snapshot_fmts)) {
7402 die_error(403, "Unsupported snapshot format");
7403 }
7404
7405 my $type = git_get_type("$hash^{}");
7406 if (!$type) {
7407 die_error(404, 'Object does not exist');
7408 } elsif ($type eq 'blob') {
7409 die_error(400, 'Object is not a tree-ish');
7410 }
7411
7412 my ($name, $prefix) = snapshot_name($project, $hash);
7413 my $filename = "$name$known_snapshot_formats{$format}{'suffix'}";
7414
7415 my %co = parse_commit($hash);
7416 exit_if_unmodified_since($co{'committer_epoch'}) if %co;
7417
7418 my $cmd = quote_command(
7419 git_cmd(), 'archive',
7420 "--format=$known_snapshot_formats{$format}{'format'}",
7421 "--prefix=$prefix/", $hash);
7422 if (exists $known_snapshot_formats{$format}{'compressor'}) {
7423 $cmd .= ' | ' . quote_command(@{$known_snapshot_formats{$format}{'compressor'}});
7424 }
7425
7426 $filename =~ s/(["\\])/\\$1/g;
7427 my %latest_date;
7428 if (%co) {
7429 %latest_date = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
7430 }
7431
7432 print $cgi->header(
7433 -type => $known_snapshot_formats{$format}{'type'},
7434 -content_disposition => 'inline; filename="' . $filename . '"',
7435 %co ? (-last_modified => $latest_date{'rfc2822'}) : (),
7436 -status => '200 OK');
7437
7438 open my $fd, "-|", $cmd
7439 or die_error(500, "Execute git-archive failed");
7440 local *FCGI::Stream::PRINT = $FCGI_Stream_PRINT_raw;
7441 binmode STDOUT, ':raw';
7442 print <$fd>;
7443 binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
7444 close $fd;
7445 }
7446
7447 sub git_log_generic {
7448 my ($fmt_name, $body_subr, $base, $parent, $file_name, $file_hash) = @_;
7449
7450 my $head = git_get_head_hash($project);
7451 if (!defined $base) {
7452 $base = $head;
7453 }
7454 if (!defined $page) {
7455 $page = 0;
7456 }
7457 my $refs = git_get_references();
7458
7459 my $commit_hash = $base;
7460 if (defined $parent) {
7461 $commit_hash = "$parent..$base";
7462 }
7463 my @commitlist =
7464 parse_commits($commit_hash, 101, (100 * $page),
7465 defined $file_name ? ($file_name, "--full-history") : ());
7466
7467 my $ftype;
7468 if (!defined $file_hash && defined $file_name) {
7469 # some commits could have deleted file in question,
7470 # and not have it in tree, but one of them has to have it
7471 for (my $i = 0; $i < @commitlist; $i++) {
7472 $file_hash = git_get_hash_by_path($commitlist[$i]{'id'}, $file_name);
7473 last if defined $file_hash;
7474 }
7475 }
7476 if (defined $file_hash) {
7477 $ftype = git_get_type($file_hash);
7478 }
7479 if (defined $file_name && !defined $ftype) {
7480 die_error(500, "Unknown type of object");
7481 }
7482 my %co;
7483 if (defined $file_name) {
7484 %co = parse_commit($base)
7485 or die_error(404, "Unknown commit object");
7486 }
7487
7488
7489 my $paging_nav = format_paging_nav($fmt_name, $page, $#commitlist >= 100);
7490 my $next_link = '';
7491 if ($#commitlist >= 100) {
7492 $next_link =
7493 $cgi->a({-href => href(-replay=>1, page=>$page+1),
7494 -accesskey => "n", -title => "Alt-n"}, "next");
7495 }
7496 my $patch_max = gitweb_get_feature('patches');
7497 if ($patch_max && !defined $file_name &&
7498 !gitweb_check_feature('email-privacy')) {
7499 if ($patch_max < 0 || @commitlist <= $patch_max) {
7500 $paging_nav .= " &sdot; " .
7501 $cgi->a({-href => href(action=>"patches", -replay=>1)},
7502 "patches");
7503 }
7504 }
7505
7506 git_header_html();
7507 git_print_page_nav($fmt_name,'', $hash,$hash,$hash, $paging_nav);
7508 if (defined $file_name) {
7509 git_print_header_div('commit', esc_html($co{'title'}), $base);
7510 } else {
7511 git_print_header_div('summary', $project)
7512 }
7513 git_print_page_path($file_name, $ftype, $hash_base)
7514 if (defined $file_name);
7515
7516 $body_subr->(\@commitlist, 0, 99, $refs, $next_link,
7517 $file_name, $file_hash, $ftype);
7518
7519 git_footer_html();
7520 }
7521
7522 sub git_log {
7523 git_log_generic('log', \&git_log_body,
7524 $hash, $hash_parent);
7525 }
7526
7527 sub git_commit {
7528 $hash ||= $hash_base || "HEAD";
7529 my %co = parse_commit($hash)
7530 or die_error(404, "Unknown commit object");
7531
7532 my $parent = $co{'parent'};
7533 my $parents = $co{'parents'}; # listref
7534
7535 # we need to prepare $formats_nav before any parameter munging
7536 my $formats_nav;
7537 if (!defined $parent) {
7538 # --root commitdiff
7539 $formats_nav .= '(initial)';
7540 } elsif (@$parents == 1) {
7541 # single parent commit
7542 $formats_nav .=
7543 '(parent: ' .
7544 $cgi->a({-href => href(action=>"commit",
7545 hash=>$parent)},
7546 esc_html(substr($parent, 0, 7))) .
7547 ')';
7548 } else {
7549 # merge commit
7550 $formats_nav .=
7551 '(merge: ' .
7552 join(' ', map {
7553 $cgi->a({-href => href(action=>"commit",
7554 hash=>$_)},
7555 esc_html(substr($_, 0, 7)));
7556 } @$parents ) .
7557 ')';
7558 }
7559 if (gitweb_check_feature('patches') && @$parents <= 1 &&
7560 !gitweb_check_feature('email-privacy')) {
7561 $formats_nav .= " | " .
7562 $cgi->a({-href => href(action=>"patch", -replay=>1)},
7563 "patch");
7564 }
7565
7566 if (!defined $parent) {
7567 $parent = "--root";
7568 }
7569 my @difftree;
7570 open my $fd, "-|", git_cmd(), "diff-tree", '-r', "--no-commit-id",
7571 @diff_opts,
7572 (@$parents <= 1 ? $parent : '-c'),
7573 $hash, "--"
7574 or die_error(500, "Open git-diff-tree failed");
7575 @difftree = map { chomp; $_ } <$fd>;
7576 close $fd or die_error(404, "Reading git-diff-tree failed");
7577
7578 # non-textual hash id's can be cached
7579 my $expires;
7580 if ($hash =~ m/^$oid_regex$/) {
7581 $expires = "+1d";
7582 }
7583 my $refs = git_get_references();
7584 my $ref = format_ref_marker($refs, $co{'id'});
7585
7586 git_header_html(undef, $expires);
7587 git_print_page_nav('commit', '',
7588 $hash, $co{'tree'}, $hash,
7589 $formats_nav);
7590
7591 if (defined $co{'parent'}) {
7592 git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
7593 } else {
7594 git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
7595 }
7596 print "<div class=\"title_text\">\n" .
7597 "<table class=\"object_header\">\n";
7598 git_print_authorship_rows(\%co);
7599 print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
7600 print "<tr>" .
7601 "<td>tree</td>" .
7602 "<td class=\"sha1\">" .
7603 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
7604 class => "list"}, $co{'tree'}) .
7605 "</td>" .
7606 "<td class=\"link\">" .
7607 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
7608 "tree");
7609 my $snapshot_links = format_snapshot_links($hash);
7610 if (defined $snapshot_links) {
7611 print " | " . $snapshot_links;
7612 }
7613 print "</td>" .
7614 "</tr>\n";
7615
7616 foreach my $par (@$parents) {
7617 print "<tr>" .
7618 "<td>parent</td>" .
7619 "<td class=\"sha1\">" .
7620 $cgi->a({-href => href(action=>"commit", hash=>$par),
7621 class => "list"}, $par) .
7622 "</td>" .
7623 "<td class=\"link\">" .
7624 $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
7625 " | " .
7626 $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "diff") .
7627 "</td>" .
7628 "</tr>\n";
7629 }
7630 print "</table>".
7631 "</div>\n";
7632
7633 print "<div class=\"page_body\">\n";
7634 git_print_log($co{'comment'});
7635 print "</div>\n";
7636
7637 git_difftree_body(\@difftree, $hash, @$parents);
7638
7639 git_footer_html();
7640 }
7641
7642 sub git_object {
7643 # object is defined by:
7644 # - hash or hash_base alone
7645 # - hash_base and file_name
7646 my $type;
7647
7648 # - hash or hash_base alone
7649 if ($hash || ($hash_base && !defined $file_name)) {
7650 my $object_id = $hash || $hash_base;
7651
7652 open my $fd, "-|", quote_command(
7653 git_cmd(), 'cat-file', '-t', $object_id) . ' 2> /dev/null'
7654 or die_error(404, "Object does not exist");
7655 $type = <$fd>;
7656 defined $type && chomp $type;
7657 close $fd
7658 or die_error(404, "Object does not exist");
7659
7660 # - hash_base and file_name
7661 } elsif ($hash_base && defined $file_name) {
7662 $file_name =~ s,/+$,,;
7663
7664 system(git_cmd(), "cat-file", '-e', $hash_base) == 0
7665 or die_error(404, "Base object does not exist");
7666
7667 # here errors should not happen
7668 open my $fd, "-|", git_cmd(), "ls-tree", $hash_base, "--", $file_name
7669 or die_error(500, "Open git-ls-tree failed");
7670 my $line = <$fd>;
7671 close $fd;
7672
7673 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
7674 unless ($line && $line =~ m/^([0-9]+) (.+) ($oid_regex)\t/) {
7675 die_error(404, "File or directory for given base does not exist");
7676 }
7677 $type = $2;
7678 $hash = $3;
7679 } else {
7680 die_error(400, "Not enough information to find object");
7681 }
7682
7683 print $cgi->redirect(-uri => href(action=>$type, -full=>1,
7684 hash=>$hash, hash_base=>$hash_base,
7685 file_name=>$file_name),
7686 -status => '302 Found');
7687 }
7688
7689 sub git_blobdiff {
7690 my $format = shift || 'html';
7691 my $diff_style = $input_params{'diff_style'} || 'inline';
7692
7693 my $fd;
7694 my @difftree;
7695 my %diffinfo;
7696 my $expires;
7697
7698 # preparing $fd and %diffinfo for git_patchset_body
7699 # new style URI
7700 if (defined $hash_base && defined $hash_parent_base) {
7701 if (defined $file_name) {
7702 # read raw output
7703 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7704 $hash_parent_base, $hash_base,
7705 "--", (defined $file_parent ? $file_parent : ()), $file_name
7706 or die_error(500, "Open git-diff-tree failed");
7707 @difftree = map { chomp; $_ } <$fd>;
7708 close $fd
7709 or die_error(404, "Reading git-diff-tree failed");
7710 @difftree
7711 or die_error(404, "Blob diff not found");
7712
7713 } elsif (defined $hash &&
7714 $hash =~ $oid_regex) {
7715 # try to find filename from $hash
7716
7717 # read filtered raw output
7718 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7719 $hash_parent_base, $hash_base, "--"
7720 or die_error(500, "Open git-diff-tree failed");
7721 @difftree =
7722 # ':100644 100644 03b21826... 3b93d5e7... M ls-files.c'
7723 # $hash == to_id
7724 grep { /^:[0-7]{6} [0-7]{6} $oid_regex $hash/ }
7725 map { chomp; $_ } <$fd>;
7726 close $fd
7727 or die_error(404, "Reading git-diff-tree failed");
7728 @difftree
7729 or die_error(404, "Blob diff not found");
7730
7731 } else {
7732 die_error(400, "Missing one of the blob diff parameters");
7733 }
7734
7735 if (@difftree > 1) {
7736 die_error(400, "Ambiguous blob diff specification");
7737 }
7738
7739 %diffinfo = parse_difftree_raw_line($difftree[0]);
7740 $file_parent ||= $diffinfo{'from_file'} || $file_name;
7741 $file_name ||= $diffinfo{'to_file'};
7742
7743 $hash_parent ||= $diffinfo{'from_id'};
7744 $hash ||= $diffinfo{'to_id'};
7745
7746 # non-textual hash id's can be cached
7747 if ($hash_base =~ m/^$oid_regex$/ &&
7748 $hash_parent_base =~ m/^$oid_regex$/) {
7749 $expires = '+1d';
7750 }
7751
7752 # open patch output
7753 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7754 '-p', ($format eq 'html' ? "--full-index" : ()),
7755 $hash_parent_base, $hash_base,
7756 "--", (defined $file_parent ? $file_parent : ()), $file_name
7757 or die_error(500, "Open git-diff-tree failed");
7758 }
7759
7760 # old/legacy style URI -- not generated anymore since 1.4.3.
7761 if (!%diffinfo) {
7762 die_error('404 Not Found', "Missing one of the blob diff parameters")
7763 }
7764
7765 # header
7766 if ($format eq 'html') {
7767 my $formats_nav =
7768 $cgi->a({-href => href(action=>"blobdiff_plain", -replay=>1)},
7769 "raw");
7770 $formats_nav .= diff_style_nav($diff_style);
7771 git_header_html(undef, $expires);
7772 if (defined $hash_base && (my %co = parse_commit($hash_base))) {
7773 git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
7774 git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
7775 } else {
7776 print "<div class=\"page_nav\"><br/>$formats_nav<br/></div>\n";
7777 print "<div class=\"title\">".esc_html("$hash vs $hash_parent")."</div>\n";
7778 }
7779 if (defined $file_name) {
7780 git_print_page_path($file_name, "blob", $hash_base);
7781 } else {
7782 print "<div class=\"page_path\"></div>\n";
7783 }
7784
7785 } elsif ($format eq 'plain') {
7786 print $cgi->header(
7787 -type => 'text/plain',
7788 -charset => 'utf-8',
7789 -expires => $expires,
7790 -content_disposition => 'inline; filename="' . "$file_name" . '.patch"');
7791
7792 print "X-Git-Url: " . $cgi->self_url() . "\n\n";
7793
7794 } else {
7795 die_error(400, "Unknown blobdiff format");
7796 }
7797
7798 # patch
7799 if ($format eq 'html') {
7800 print "<div class=\"page_body\">\n";
7801
7802 git_patchset_body($fd, $diff_style,
7803 [ \%diffinfo ], $hash_base, $hash_parent_base);
7804 close $fd;
7805
7806 print "</div>\n"; # class="page_body"
7807 git_footer_html();
7808
7809 } else {
7810 while (my $line = <$fd>) {
7811 $line =~ s!a/($hash|$hash_parent)!'a/'.esc_path($diffinfo{'from_file'})!eg;
7812 $line =~ s!b/($hash|$hash_parent)!'b/'.esc_path($diffinfo{'to_file'})!eg;
7813
7814 print $line;
7815
7816 last if $line =~ m!^\+\+\+!;
7817 }
7818 local $/ = undef;
7819 print <$fd>;
7820 close $fd;
7821 }
7822 }
7823
7824 sub git_blobdiff_plain {
7825 git_blobdiff('plain');
7826 }
7827
7828 # assumes that it is added as later part of already existing navigation,
7829 # so it returns "| foo | bar" rather than just "foo | bar"
7830 sub diff_style_nav {
7831 my ($diff_style, $is_combined) = @_;
7832 $diff_style ||= 'inline';
7833
7834 return "" if ($is_combined);
7835
7836 my @styles = (inline => 'inline', 'sidebyside' => 'side by side');
7837 my %styles = @styles;
7838 @styles =
7839 @styles[ map { $_ * 2 } 0..$#styles/2 ];
7840
7841 return join '',
7842 map { " | ".$_ }
7843 map {
7844 $_ eq $diff_style ? $styles{$_} :
7845 $cgi->a({-href => href(-replay=>1, diff_style => $_)}, $styles{$_})
7846 } @styles;
7847 }
7848
7849 sub git_commitdiff {
7850 my %params = @_;
7851 my $format = $params{-format} || 'html';
7852 my $diff_style = $input_params{'diff_style'} || 'inline';
7853
7854 my ($patch_max) = gitweb_get_feature('patches');
7855 if ($format eq 'patch') {
7856 die_error(403, "Patch view not allowed") unless $patch_max;
7857 }
7858
7859 $hash ||= $hash_base || "HEAD";
7860 my %co = parse_commit($hash)
7861 or die_error(404, "Unknown commit object");
7862
7863 # choose format for commitdiff for merge
7864 if (! defined $hash_parent && @{$co{'parents'}} > 1) {
7865 $hash_parent = '--cc';
7866 }
7867 # we need to prepare $formats_nav before almost any parameter munging
7868 my $formats_nav;
7869 if ($format eq 'html') {
7870 $formats_nav =
7871 $cgi->a({-href => href(action=>"commitdiff_plain", -replay=>1)},
7872 "raw");
7873 if ($patch_max && @{$co{'parents'}} <= 1 &&
7874 !gitweb_check_feature('email-privacy')) {
7875 $formats_nav .= " | " .
7876 $cgi->a({-href => href(action=>"patch", -replay=>1)},
7877 "patch");
7878 }
7879 $formats_nav .= diff_style_nav($diff_style, @{$co{'parents'}} > 1);
7880
7881 if (defined $hash_parent &&
7882 $hash_parent ne '-c' && $hash_parent ne '--cc') {
7883 # commitdiff with two commits given
7884 my $hash_parent_short = $hash_parent;
7885 if ($hash_parent =~ m/^$oid_regex$/) {
7886 $hash_parent_short = substr($hash_parent, 0, 7);
7887 }
7888 $formats_nav .=
7889 ' (from';
7890 for (my $i = 0; $i < @{$co{'parents'}}; $i++) {
7891 if ($co{'parents'}[$i] eq $hash_parent) {
7892 $formats_nav .= ' parent ' . ($i+1);
7893 last;
7894 }
7895 }
7896 $formats_nav .= ': ' .
7897 $cgi->a({-href => href(-replay=>1,
7898 hash=>$hash_parent, hash_base=>undef)},
7899 esc_html($hash_parent_short)) .
7900 ')';
7901 } elsif (!$co{'parent'}) {
7902 # --root commitdiff
7903 $formats_nav .= ' (initial)';
7904 } elsif (scalar @{$co{'parents'}} == 1) {
7905 # single parent commit
7906 $formats_nav .=
7907 ' (parent: ' .
7908 $cgi->a({-href => href(-replay=>1,
7909 hash=>$co{'parent'}, hash_base=>undef)},
7910 esc_html(substr($co{'parent'}, 0, 7))) .
7911 ')';
7912 } else {
7913 # merge commit
7914 if ($hash_parent eq '--cc') {
7915 $formats_nav .= ' | ' .
7916 $cgi->a({-href => href(-replay=>1,
7917 hash=>$hash, hash_parent=>'-c')},
7918 'combined');
7919 } else { # $hash_parent eq '-c'
7920 $formats_nav .= ' | ' .
7921 $cgi->a({-href => href(-replay=>1,
7922 hash=>$hash, hash_parent=>'--cc')},
7923 'compact');
7924 }
7925 $formats_nav .=
7926 ' (merge: ' .
7927 join(' ', map {
7928 $cgi->a({-href => href(-replay=>1,
7929 hash=>$_, hash_base=>undef)},
7930 esc_html(substr($_, 0, 7)));
7931 } @{$co{'parents'}} ) .
7932 ')';
7933 }
7934 }
7935
7936 my $hash_parent_param = $hash_parent;
7937 if (!defined $hash_parent_param) {
7938 # --cc for multiple parents, --root for parentless
7939 $hash_parent_param =
7940 @{$co{'parents'}} > 1 ? '--cc' : $co{'parent'} || '--root';
7941 }
7942
7943 # read commitdiff
7944 my $fd;
7945 my @difftree;
7946 if ($format eq 'html') {
7947 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7948 "--no-commit-id", "--patch-with-raw", "--full-index",
7949 $hash_parent_param, $hash, "--"
7950 or die_error(500, "Open git-diff-tree failed");
7951
7952 while (my $line = <$fd>) {
7953 chomp $line;
7954 # empty line ends raw part of diff-tree output
7955 last unless $line;
7956 push @difftree, scalar parse_difftree_raw_line($line);
7957 }
7958
7959 } elsif ($format eq 'plain') {
7960 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7961 '-p', $hash_parent_param, $hash, "--"
7962 or die_error(500, "Open git-diff-tree failed");
7963 } elsif ($format eq 'patch') {
7964 # For commit ranges, we limit the output to the number of
7965 # patches specified in the 'patches' feature.
7966 # For single commits, we limit the output to a single patch,
7967 # diverging from the git-format-patch default.
7968 my @commit_spec = ();
7969 if ($hash_parent) {
7970 if ($patch_max > 0) {
7971 push @commit_spec, "-$patch_max";
7972 }
7973 push @commit_spec, '-n', "$hash_parent..$hash";
7974 } else {
7975 if ($params{-single}) {
7976 push @commit_spec, '-1';
7977 } else {
7978 if ($patch_max > 0) {
7979 push @commit_spec, "-$patch_max";
7980 }
7981 push @commit_spec, "-n";
7982 }
7983 push @commit_spec, '--root', $hash;
7984 }
7985 open $fd, "-|", git_cmd(), "format-patch", @diff_opts,
7986 '--encoding=utf8', '--stdout', @commit_spec
7987 or die_error(500, "Open git-format-patch failed");
7988 } else {
7989 die_error(400, "Unknown commitdiff format");
7990 }
7991
7992 # non-textual hash id's can be cached
7993 my $expires;
7994 if ($hash =~ m/^$oid_regex$/) {
7995 $expires = "+1d";
7996 }
7997
7998 # write commit message
7999 if ($format eq 'html') {
8000 my $refs = git_get_references();
8001 my $ref = format_ref_marker($refs, $co{'id'});
8002
8003 git_header_html(undef, $expires);
8004 git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
8005 git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
8006 print "<div class=\"title_text\">\n" .
8007 "<table class=\"object_header\">\n";
8008 git_print_authorship_rows(\%co);
8009 print "</table>".
8010 "</div>\n";
8011 print "<div class=\"page_body\">\n";
8012 if (@{$co{'comment'}} > 1) {
8013 print "<div class=\"log\">\n";
8014 git_print_log($co{'comment'}, -final_empty_line=> 1, -remove_title => 1);
8015 print "</div>\n"; # class="log"
8016 }
8017
8018 } elsif ($format eq 'plain') {
8019 my $refs = git_get_references("tags");
8020 my $tagname = git_get_rev_name_tags($hash);
8021 my $filename = basename($project) . "-$hash.patch";
8022
8023 print $cgi->header(
8024 -type => 'text/plain',
8025 -charset => 'utf-8',
8026 -expires => $expires,
8027 -content_disposition => 'inline; filename="' . "$filename" . '"');
8028 my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
8029 print "From: " . to_utf8($co{'author'}) . "\n";
8030 print "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n";
8031 print "Subject: " . to_utf8($co{'title'}) . "\n";
8032
8033 print "X-Git-Tag: $tagname\n" if $tagname;
8034 print "X-Git-Url: " . $cgi->self_url() . "\n\n";
8035
8036 foreach my $line (@{$co{'comment'}}) {
8037 print to_utf8($line) . "\n";
8038 }
8039 print "---\n\n";
8040 } elsif ($format eq 'patch') {
8041 my $filename = basename($project) . "-$hash.patch";
8042
8043 print $cgi->header(
8044 -type => 'text/plain',
8045 -charset => 'utf-8',
8046 -expires => $expires,
8047 -content_disposition => 'inline; filename="' . "$filename" . '"');
8048 }
8049
8050 # write patch
8051 if ($format eq 'html') {
8052 my $use_parents = !defined $hash_parent ||
8053 $hash_parent eq '-c' || $hash_parent eq '--cc';
8054 git_difftree_body(\@difftree, $hash,
8055 $use_parents ? @{$co{'parents'}} : $hash_parent);
8056 print "<br/>\n";
8057
8058 git_patchset_body($fd, $diff_style,
8059 \@difftree, $hash,
8060 $use_parents ? @{$co{'parents'}} : $hash_parent);
8061 close $fd;
8062 print "</div>\n"; # class="page_body"
8063 git_footer_html();
8064
8065 } elsif ($format eq 'plain') {
8066 local $/ = undef;
8067 print <$fd>;
8068 close $fd
8069 or print "Reading git-diff-tree failed\n";
8070 } elsif ($format eq 'patch') {
8071 local $/ = undef;
8072 print <$fd>;
8073 close $fd
8074 or print "Reading git-format-patch failed\n";
8075 }
8076 }
8077
8078 sub git_commitdiff_plain {
8079 git_commitdiff(-format => 'plain');
8080 }
8081
8082 # format-patch-style patches
8083 sub git_patch {
8084 git_commitdiff(-format => 'patch', -single => 1);
8085 }
8086
8087 sub git_patches {
8088 git_commitdiff(-format => 'patch');
8089 }
8090
8091 sub git_history {
8092 git_log_generic('history', \&git_history_body,
8093 $hash_base, $hash_parent_base,
8094 $file_name, $hash);
8095 }
8096
8097 sub git_search {
8098 $searchtype ||= 'commit';
8099
8100 # check if appropriate features are enabled
8101 gitweb_check_feature('search')
8102 or die_error(403, "Search is disabled");
8103 if ($searchtype eq 'pickaxe') {
8104 # pickaxe may take all resources of your box and run for several minutes
8105 # with every query - so decide by yourself how public you make this feature
8106 gitweb_check_feature('pickaxe')
8107 or die_error(403, "Pickaxe search is disabled");
8108 }
8109 if ($searchtype eq 'grep') {
8110 # grep search might be potentially CPU-intensive, too
8111 gitweb_check_feature('grep')
8112 or die_error(403, "Grep search is disabled");
8113 }
8114
8115 if (!defined $searchtext) {
8116 die_error(400, "Text field is empty");
8117 }
8118 if (!defined $hash) {
8119 $hash = git_get_head_hash($project);
8120 }
8121 my %co = parse_commit($hash);
8122 if (!%co) {
8123 die_error(404, "Unknown commit object");
8124 }
8125 if (!defined $page) {
8126 $page = 0;
8127 }
8128
8129 if ($searchtype eq 'commit' ||
8130 $searchtype eq 'author' ||
8131 $searchtype eq 'committer') {
8132 git_search_message(%co);
8133 } elsif ($searchtype eq 'pickaxe') {
8134 git_search_changes(%co);
8135 } elsif ($searchtype eq 'grep') {
8136 git_search_files(%co);
8137 } else {
8138 die_error(400, "Unknown search type");
8139 }
8140 }
8141
8142 sub git_search_help {
8143 git_header_html();
8144 git_print_page_nav('','', $hash,$hash,$hash);
8145 print <<EOT;
8146 <p><strong>Pattern</strong> is by default a normal string that is matched precisely (but without
8147 regard to case, except in the case of pickaxe). However, when you check the <em>re</em> checkbox,
8148 the pattern entered is recognized as the POSIX extended
8149 <a href="https://en.wikipedia.org/wiki/Regular_expression">regular expression</a> (also case
8150 insensitive).</p>
8151 <dl>
8152 <dt><b>commit</b></dt>
8153 <dd>The commit messages and authorship information will be scanned for the given pattern.</dd>
8154 EOT
8155 my $have_grep = gitweb_check_feature('grep');
8156 if ($have_grep) {
8157 print <<EOT;
8158 <dt><b>grep</b></dt>
8159 <dd>All files in the currently selected tree (HEAD unless you are explicitly browsing
8160 a different one) are searched for the given pattern. On large trees, this search can take
8161 a while and put some strain on the server, so please use it with some consideration. Note that
8162 due to git-grep peculiarity, currently if regexp mode is turned off, the matches are
8163 case-sensitive.</dd>
8164 EOT
8165 }
8166 print <<EOT;
8167 <dt><b>author</b></dt>
8168 <dd>Name and e-mail of the change author and date of birth of the patch will be scanned for the given pattern.</dd>
8169 <dt><b>committer</b></dt>
8170 <dd>Name and e-mail of the committer and date of commit will be scanned for the given pattern.</dd>
8171 EOT
8172 my $have_pickaxe = gitweb_check_feature('pickaxe');
8173 if ($have_pickaxe) {
8174 print <<EOT;
8175 <dt><b>pickaxe</b></dt>
8176 <dd>All commits that caused the string to appear or disappear from any file (changes that
8177 added, removed or "modified" the string) will be listed. This search can take a while and
8178 takes a lot of strain on the server, so please use it wisely. Note that since you may be
8179 interested even in changes just changing the case as well, this search is case sensitive.</dd>
8180 EOT
8181 }
8182 print "</dl>\n";
8183 git_footer_html();
8184 }
8185
8186 sub git_shortlog {
8187 git_log_generic('shortlog', \&git_shortlog_body,
8188 $hash, $hash_parent);
8189 }
8190
8191 ## ......................................................................
8192 ## feeds (RSS, Atom; OPML)
8193
8194 sub git_feed {
8195 my $format = shift || 'atom';
8196 my $have_blame = gitweb_check_feature('blame');
8197
8198 # Atom: http://www.atomenabled.org/developers/syndication/
8199 # RSS: http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
8200 if ($format ne 'rss' && $format ne 'atom') {
8201 die_error(400, "Unknown web feed format");
8202 }
8203
8204 # log/feed of current (HEAD) branch, log of given branch, history of file/directory
8205 my $head = $hash || 'HEAD';
8206 my @commitlist = parse_commits($head, 150, 0, $file_name);
8207
8208 my %latest_commit;
8209 my %latest_date;
8210 my $content_type = "application/$format+xml";
8211 if (defined $cgi->http('HTTP_ACCEPT') &&
8212 $cgi->Accept('text/xml') > $cgi->Accept($content_type)) {
8213 # browser (feed reader) prefers text/xml
8214 $content_type = 'text/xml';
8215 }
8216 if (defined($commitlist[0])) {
8217 %latest_commit = %{$commitlist[0]};
8218 my $latest_epoch = $latest_commit{'committer_epoch'};
8219 exit_if_unmodified_since($latest_epoch);
8220 %latest_date = parse_date($latest_epoch, $latest_commit{'committer_tz'});
8221 }
8222 print $cgi->header(
8223 -type => $content_type,
8224 -charset => 'utf-8',
8225 %latest_date ? (-last_modified => $latest_date{'rfc2822'}) : (),
8226 -status => '200 OK');
8227
8228 # Optimization: skip generating the body if client asks only
8229 # for Last-Modified date.
8230 return if ($cgi->request_method() eq 'HEAD');
8231
8232 # header variables
8233 my $title = "$site_name - $project/$action";
8234 my $feed_type = 'log';
8235 if (defined $hash) {
8236 $title .= " - '$hash'";
8237 $feed_type = 'branch log';
8238 if (defined $file_name) {
8239 $title .= " :: $file_name";
8240 $feed_type = 'history';
8241 }
8242 } elsif (defined $file_name) {
8243 $title .= " - $file_name";
8244 $feed_type = 'history';
8245 }
8246 $title .= " $feed_type";
8247 $title = esc_html($title);
8248 my $descr = git_get_project_description($project);
8249 if (defined $descr) {
8250 $descr = esc_html($descr);
8251 } else {
8252 $descr = "$project " .
8253 ($format eq 'rss' ? 'RSS' : 'Atom') .
8254 " feed";
8255 }
8256 my $owner = git_get_project_owner($project);
8257 $owner = esc_html($owner);
8258
8259 #header
8260 my $alt_url;
8261 if (defined $file_name) {
8262 $alt_url = href(-full=>1, action=>"history", hash=>$hash, file_name=>$file_name);
8263 } elsif (defined $hash) {
8264 $alt_url = href(-full=>1, action=>"log", hash=>$hash);
8265 } else {
8266 $alt_url = href(-full=>1, action=>"summary");
8267 }
8268 $alt_url = esc_attr($alt_url);
8269 print qq!<?xml version="1.0" encoding="utf-8"?>\n!;
8270 if ($format eq 'rss') {
8271 print <<XML;
8272 <rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
8273 <channel>
8274 XML
8275 print "<title>$title</title>\n" .
8276 "<link>$alt_url</link>\n" .
8277 "<description>$descr</description>\n" .
8278 "<language>en</language>\n" .
8279 # project owner is responsible for 'editorial' content
8280 "<managingEditor>$owner</managingEditor>\n";
8281 if (defined $logo || defined $favicon) {
8282 # prefer the logo to the favicon, since RSS
8283 # doesn't allow both
8284 my $img = esc_url($logo || $favicon);
8285 print "<image>\n" .
8286 "<url>$img</url>\n" .
8287 "<title>$title</title>\n" .
8288 "<link>$alt_url</link>\n" .
8289 "</image>\n";
8290 }
8291 if (%latest_date) {
8292 print "<pubDate>$latest_date{'rfc2822'}</pubDate>\n";
8293 print "<lastBuildDate>$latest_date{'rfc2822'}</lastBuildDate>\n";
8294 }
8295 print "<generator>gitweb v.$version/$git_version</generator>\n";
8296 } elsif ($format eq 'atom') {
8297 print <<XML;
8298 <feed xmlns="http://www.w3.org/2005/Atom">
8299 XML
8300 print "<title>$title</title>\n" .
8301 "<subtitle>$descr</subtitle>\n" .
8302 '<link rel="alternate" type="text/html" href="' .
8303 $alt_url . '" />' . "\n" .
8304 '<link rel="self" type="' . $content_type . '" href="' .
8305 $cgi->self_url() . '" />' . "\n" .
8306 "<id>" . esc_url(href(-full=>1)) . "</id>\n" .
8307 # use project owner for feed author
8308 "<author><name>$owner</name></author>\n";
8309 if (defined $favicon) {
8310 print "<icon>" . esc_url($favicon) . "</icon>\n";
8311 }
8312 if (defined $logo) {
8313 # not twice as wide as tall: 72 x 27 pixels
8314 print "<logo>" . esc_url($logo) . "</logo>\n";
8315 }
8316 if (! %latest_date) {
8317 # dummy date to keep the feed valid until commits trickle in:
8318 print "<updated>1970-01-01T00:00:00Z</updated>\n";
8319 } else {
8320 print "<updated>$latest_date{'iso-8601'}</updated>\n";
8321 }
8322 print "<generator version='$version/$git_version'>gitweb</generator>\n";
8323 }
8324
8325 # contents
8326 for (my $i = 0; $i <= $#commitlist; $i++) {
8327 my %co = %{$commitlist[$i]};
8328 my $commit = $co{'id'};
8329 # we read 150, we always show 30 and the ones more recent than 48 hours
8330 if (($i >= 20) && ((time - $co{'author_epoch'}) > 48*60*60)) {
8331 last;
8332 }
8333 my %cd = parse_date($co{'author_epoch'}, $co{'author_tz'});
8334
8335 # get list of changed files
8336 open my $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
8337 $co{'parent'} || "--root",
8338 $co{'id'}, "--", (defined $file_name ? $file_name : ())
8339 or next;
8340 my @difftree = map { chomp; $_ } <$fd>;
8341 close $fd
8342 or next;
8343
8344 # print element (entry, item)
8345 my $co_url = href(-full=>1, action=>"commitdiff", hash=>$commit);
8346 if ($format eq 'rss') {
8347 print "<item>\n" .
8348 "<title>" . esc_html($co{'title'}) . "</title>\n" .
8349 "<author>" . esc_html($co{'author'}) . "</author>\n" .
8350 "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
8351 "<guid isPermaLink=\"true\">$co_url</guid>\n" .
8352 "<link>" . esc_html($co_url) . "</link>\n" .
8353 "<description>" . esc_html($co{'title'}) . "</description>\n" .
8354 "<content:encoded>" .
8355 "<![CDATA[\n";
8356 } elsif ($format eq 'atom') {
8357 print "<entry>\n" .
8358 "<title type=\"html\">" . esc_html($co{'title'}) . "</title>\n" .
8359 "<updated>$cd{'iso-8601'}</updated>\n" .
8360 "<author>\n" .
8361 " <name>" . esc_html($co{'author_name'}) . "</name>\n";
8362 if ($co{'author_email'}) {
8363 print " <email>" . esc_html($co{'author_email'}) . "</email>\n";
8364 }
8365 print "</author>\n" .
8366 # use committer for contributor
8367 "<contributor>\n" .
8368 " <name>" . esc_html($co{'committer_name'}) . "</name>\n";
8369 if ($co{'committer_email'}) {
8370 print " <email>" . esc_html($co{'committer_email'}) . "</email>\n";
8371 }
8372 print "</contributor>\n" .
8373 "<published>$cd{'iso-8601'}</published>\n" .
8374 "<link rel=\"alternate\" type=\"text/html\" href=\"" . esc_attr($co_url) . "\" />\n" .
8375 "<id>" . esc_html($co_url) . "</id>\n" .
8376 "<content type=\"xhtml\" xml:base=\"" . esc_url($my_url) . "\">\n" .
8377 "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n";
8378 }
8379 my $comment = $co{'comment'};
8380 print "<pre>\n";
8381 foreach my $line (@$comment) {
8382 $line = esc_html($line);
8383 print "$line\n";
8384 }
8385 print "</pre><ul>\n";
8386 foreach my $difftree_line (@difftree) {
8387 my %difftree = parse_difftree_raw_line($difftree_line);
8388 next if !$difftree{'from_id'};
8389
8390 my $file = $difftree{'file'} || $difftree{'to_file'};
8391
8392 print "<li>" .
8393 "[" .
8394 $cgi->a({-href => href(-full=>1, action=>"blobdiff",
8395 hash=>$difftree{'to_id'}, hash_parent=>$difftree{'from_id'},
8396 hash_base=>$co{'id'}, hash_parent_base=>$co{'parent'},
8397 file_name=>$file, file_parent=>$difftree{'from_file'}),
8398 -title => "diff"}, 'D');
8399 if ($have_blame) {
8400 print $cgi->a({-href => href(-full=>1, action=>"blame",
8401 file_name=>$file, hash_base=>$commit),
8402 -title => "blame"}, 'B');
8403 }
8404 # if this is not a feed of a file history
8405 if (!defined $file_name || $file_name ne $file) {
8406 print $cgi->a({-href => href(-full=>1, action=>"history",
8407 file_name=>$file, hash=>$commit),
8408 -title => "history"}, 'H');
8409 }
8410 $file = esc_path($file);
8411 print "] ".
8412 "$file</li>\n";
8413 }
8414 if ($format eq 'rss') {
8415 print "</ul>]]>\n" .
8416 "</content:encoded>\n" .
8417 "</item>\n";
8418 } elsif ($format eq 'atom') {
8419 print "</ul>\n</div>\n" .
8420 "</content>\n" .
8421 "</entry>\n";
8422 }
8423 }
8424
8425 # end of feed
8426 if ($format eq 'rss') {
8427 print "</channel>\n</rss>\n";
8428 } elsif ($format eq 'atom') {
8429 print "</feed>\n";
8430 }
8431 }
8432
8433 sub git_rss {
8434 git_feed('rss');
8435 }
8436
8437 sub git_atom {
8438 git_feed('atom');
8439 }
8440
8441 sub git_opml {
8442 my @list = git_get_projects_list($project_filter, $strict_export);
8443 if (!@list) {
8444 die_error(404, "No projects found");
8445 }
8446
8447 print $cgi->header(
8448 -type => 'text/xml',
8449 -charset => 'utf-8',
8450 -content_disposition => 'inline; filename="opml.xml"');
8451
8452 my $title = esc_html($site_name);
8453 my $filter = " within subdirectory ";
8454 if (defined $project_filter) {
8455 $filter .= esc_html($project_filter);
8456 } else {
8457 $filter = "";
8458 }
8459 print <<XML;
8460 <?xml version="1.0" encoding="utf-8"?>
8461 <opml version="1.0">
8462 <head>
8463 <title>$title OPML Export$filter</title>
8464 </head>
8465 <body>
8466 <outline text="git RSS feeds">
8467 XML
8468
8469 foreach my $pr (@list) {
8470 my %proj = %$pr;
8471 my $head = git_get_head_hash($proj{'path'});
8472 if (!defined $head) {
8473 next;
8474 }
8475 $git_dir = "$projectroot/$proj{'path'}";
8476 my %co = parse_commit($head);
8477 if (!%co) {
8478 next;
8479 }
8480
8481 my $path = esc_html(chop_str($proj{'path'}, 25, 5));
8482 my $rss = esc_attr(href('project' => $proj{'path'}, 'action' => 'rss', -full => 1));
8483 my $html = esc_attr(href('project' => $proj{'path'}, 'action' => 'summary', -full => 1));
8484 print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
8485 }
8486 print <<XML;
8487 </outline>
8488 </body>
8489 </opml>
8490 XML
8491 }
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