Lady’s Gitweb - Gitweb/blob - gitweb.perl

   1 #!/usr/bin/perl
   2
   3 # gitweb - simple web interface to track changes in git repositories
   4 #
   5 # (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
   6 # (C) 2005, Christian Gierke
   7 #
   8 # This program is licensed under the GPLv2
   9
  10 use strict;
  11 use warnings;
  12 use CGI qw(:standard :escapeHTML -nosticky);
  13 use CGI::Util qw(unescape);
  14 use CGI::Carp qw(fatalsToBrowser);
  15 use Encode;
  16 use Fcntl ':mode';
  17 use File::Find qw();
  18 use File::Basename qw(basename);
  19 binmode STDOUT, ':utf8';
  20
  21 our $cgi = new CGI;
  22 our $version = "++GIT_VERSION++";
  23 our $my_url = $cgi->url();
  24 our $my_uri = $cgi->url(-absolute => 1);
  25
  26 # core git executable to use
  27 # this can just be "git" if your webserver has a sensible PATH
  28 our $GIT = "++GIT_BINDIR++/git";
  29
  30 # absolute fs-path which will be prepended to the project path
  31 #our $projectroot = "/pub/scm";
  32 our $projectroot = "++GITWEB_PROJECTROOT++";
  33
  34 # target of the home link on top of all pages
  35 our $home_link = $my_uri || "/";
  36
  37 # string of the home link on top of all pages
  38 our $home_link_str = "++GITWEB_HOME_LINK_STR++";
  39
  40 # name of your site or organization to appear in page titles
  41 # replace this with something more descriptive for clearer bookmarks
  42 our $site_name = "++GITWEB_SITENAME++" || $ENV{'SERVER_NAME'} || "Untitled";
  43
  44 # filename of html text to include at top of each page
  45 our $site_header = "++GITWEB_SITE_HEADER++";
  46 # html text to include at home page
  47 our $home_text = "++GITWEB_HOMETEXT++";
  48 # filename of html text to include at bottom of each page
  49 our $site_footer = "++GITWEB_SITE_FOOTER++";
  50
  51 # URI of stylesheets
  52 our @stylesheets = ("++GITWEB_CSS++");
  53 our $stylesheet;
  54 # default is not to define style sheet, but it can be overwritten later
  55 undef $stylesheet;
  56
  57 # URI of GIT logo
  58 our $logo = "++GITWEB_LOGO++";
  59 # URI of GIT favicon, assumed to be image/png type
  60 our $favicon = "++GITWEB_FAVICON++";
  61
  62 our $githelp_url = "http://git.or.cz/";
  63 our $githelp_label = "git homepage";
  64
  65 # source of projects list
  66 our $projects_list = "++GITWEB_LIST++";
  67
  68 # show repository only if this file exists
  69 # (only effective if this variable evaluates to true)
  70 our $export_ok = "++GITWEB_EXPORT_OK++";
  71
  72 # only allow viewing of repositories also shown on the overview page
  73 our $strict_export = "++GITWEB_STRICT_EXPORT++";
  74
  75 # list of git base URLs used for URL to where fetch project from,
  76 # i.e. full URL is "$git_base_url/$project"
  77 our @git_base_url_list = ("++GITWEB_BASE_URL++");
  78
  79 # default blob_plain mimetype and default charset for text/plain blob
  80 our $default_blob_plain_mimetype = 'text/plain';
  81 our $default_text_plain_charset  = undef;
  82
  83 # file to use for guessing MIME types before trying /etc/mime.types
  84 # (relative to the current git repository)
  85 our $mimetypes_file = undef;
  86
  87 # You define site-wide feature defaults here; override them with
  88 # $GITWEB_CONFIG as necessary.
  89 our %feature = (
  90         # feature => {
  91         #       'sub' => feature-sub (subroutine),
  92         #       'override' => allow-override (boolean),
  93         #       'default' => [ default options...] (array reference)}
  94         #
  95         # if feature is overridable (it means that allow-override has true value,
  96         # then feature-sub will be called with default options as parameters;
  97         # return value of feature-sub indicates if to enable specified feature
  98         #
  99         # use gitweb_check_feature(<feature>) to check if <feature> is enabled
 100
 101         # Enable the 'blame' blob view, showing the last commit that modified
 102         # each line in the file. This can be very CPU-intensive.
 103
 104         # To enable system wide have in $GITWEB_CONFIG
 105         # $feature{'blame'}{'default'} = [1];
 106         # To have project specific config enable override in $GITWEB_CONFIG
 107         # $feature{'blame'}{'override'} = 1;
 108         # and in project config gitweb.blame = 0|1;
 109         'blame' => {
 110                 'sub' => \&feature_blame,
 111                 'override' => 0,
 112                 'default' => [0]},
 113
 114         # Enable the 'snapshot' link, providing a compressed tarball of any
 115         # tree. This can potentially generate high traffic if you have large
 116         # project.
 117
 118         # To disable system wide have in $GITWEB_CONFIG
 119         # $feature{'snapshot'}{'default'} = [undef];
 120         # To have project specific config enable override in $GITWEB_CONFIG
 121         # $feature{'blame'}{'override'} = 1;
 122         # and in project config gitweb.snapshot = none|gzip|bzip2;
 123         'snapshot' => {
 124                 'sub' => \&feature_snapshot,
 125                 'override' => 0,
 126                 #         => [content-encoding, suffix, program]
 127                 'default' => ['x-gzip', 'gz', 'gzip']},
 128
 129         # Enable the pickaxe search, which will list the commits that modified
 130         # a given string in a file. This can be practical and quite faster
 131         # alternative to 'blame', but still potentially CPU-intensive.
 132
 133         # To enable system wide have in $GITWEB_CONFIG
 134         # $feature{'pickaxe'}{'default'} = [1];
 135         # To have project specific config enable override in $GITWEB_CONFIG
 136         # $feature{'pickaxe'}{'override'} = 1;
 137         # and in project config gitweb.pickaxe = 0|1;
 138         'pickaxe' => {
 139                 'sub' => \&feature_pickaxe,
 140                 'override' => 0,
 141                 'default' => [1]},
 142
 143         # Make gitweb use an alternative format of the URLs which can be
 144         # more readable and natural-looking: project name is embedded
 145         # directly in the path and the query string contains other
 146         # auxiliary information. All gitweb installations recognize
 147         # URL in either format; this configures in which formats gitweb
 148         # generates links.
 149
 150         # To enable system wide have in $GITWEB_CONFIG
 151         # $feature{'pathinfo'}{'default'} = [1];
 152         # Project specific override is not supported.
 153
 154         # Note that you will need to change the default location of CSS,
 155         # favicon, logo and possibly other files to an absolute URL. Also,
 156         # if gitweb.cgi serves as your indexfile, you will need to force
 157         # $my_uri to contain the script name in your $GITWEB_CONFIG.
 158         'pathinfo' => {
 159                 'override' => 0,
 160                 'default' => [0]},
 161 );
 162
 163 sub gitweb_check_feature {
 164         my ($name) = @_;
 165         return unless exists $feature{$name};
 166         my ($sub, $override, @defaults) = (
 167                 $feature{$name}{'sub'},
 168                 $feature{$name}{'override'},
 169                 @{$feature{$name}{'default'}});
 170         if (!$override) { return @defaults; }
 171         if (!defined $sub) {
 172                 warn "feature $name is not overrideable";
 173                 return @defaults;
 174         }
 175         return $sub->(@defaults);
 176 }
 177
 178 sub feature_blame {
 179         my ($val) = git_get_project_config('blame', '--bool');
 180
 181         if ($val eq 'true') {
 182                 return 1;
 183         } elsif ($val eq 'false') {
 184                 return 0;
 185         }
 186
 187         return $_[0];
 188 }
 189
 190 sub feature_snapshot {
 191         my ($ctype, $suffix, $command) = @_;
 192
 193         my ($val) = git_get_project_config('snapshot');
 194
 195         if ($val eq 'gzip') {
 196                 return ('x-gzip', 'gz', 'gzip');
 197         } elsif ($val eq 'bzip2') {
 198                 return ('x-bzip2', 'bz2', 'bzip2');
 199         } elsif ($val eq 'none') {
 200                 return ();
 201         }
 202
 203         return ($ctype, $suffix, $command);
 204 }
 205
 206 sub gitweb_have_snapshot {
 207         my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
 208         my $have_snapshot = (defined $ctype && defined $suffix);
 209
 210         return $have_snapshot;
 211 }
 212
 213 sub feature_pickaxe {
 214         my ($val) = git_get_project_config('pickaxe', '--bool');
 215
 216         if ($val eq 'true') {
 217                 return (1);
 218         } elsif ($val eq 'false') {
 219                 return (0);
 220         }
 221
 222         return ($_[0]);
 223 }
 224
 225 # checking HEAD file with -e is fragile if the repository was
 226 # initialized long time ago (i.e. symlink HEAD) and was pack-ref'ed
 227 # and then pruned.
 228 sub check_head_link {
 229         my ($dir) = @_;
 230         my $headfile = "$dir/HEAD";
 231         return ((-e $headfile) ||
 232                 (-l $headfile && readlink($headfile) =~ /^refs\/heads\//));
 233 }
 234
 235 sub check_export_ok {
 236         my ($dir) = @_;
 237         return (check_head_link($dir) &&
 238                 (!$export_ok || -e "$dir/$export_ok"));
 239 }
 240
 241 # rename detection options for git-diff and git-diff-tree
 242 # - default is '-M', with the cost proportional to
 243 #   (number of removed files) * (number of new files).
 244 # - more costly is '-C' (or '-C', '-M'), with the cost proportional to
 245 #   (number of changed files + number of removed files) * (number of new files)
 246 # - even more costly is '-C', '--find-copies-harder' with cost
 247 #   (number of files in the original tree) * (number of new files)
 248 # - one might want to include '-B' option, e.g. '-B', '-M'
 249 our @diff_opts = ('-M'); # taken from git_commit
 250
 251 our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
 252 do $GITWEB_CONFIG if -e $GITWEB_CONFIG;
 253
 254 # version of the core git binary
 255 our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
 256
 257 $projects_list ||= $projectroot;
 258
 259 # ======================================================================
 260 # input validation and dispatch
 261 our $action = $cgi->param('a');
 262 if (defined $action) {
 263         if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
 264                 die_error(undef, "Invalid action parameter");
 265         }
 266 }
 267
 268 # parameters which are pathnames
 269 our $project = $cgi->param('p');
 270 if (defined $project) {
 271         if (!validate_pathname($project) ||
 272             !(-d "$projectroot/$project") ||
 273             !check_head_link("$projectroot/$project") ||
 274             ($export_ok && !(-e "$projectroot/$project/$export_ok")) ||
 275             ($strict_export && !project_in_list($project))) {
 276                 undef $project;
 277                 die_error(undef, "No such project");
 278         }
 279 }
 280
 281 our $file_name = $cgi->param('f');
 282 if (defined $file_name) {
 283         if (!validate_pathname($file_name)) {
 284                 die_error(undef, "Invalid file parameter");
 285         }
 286 }
 287
 288 our $file_parent = $cgi->param('fp');
 289 if (defined $file_parent) {
 290         if (!validate_pathname($file_parent)) {
 291                 die_error(undef, "Invalid file parent parameter");
 292         }
 293 }
 294
 295 # parameters which are refnames
 296 our $hash = $cgi->param('h');
 297 if (defined $hash) {
 298         if (!validate_refname($hash)) {
 299                 die_error(undef, "Invalid hash parameter");
 300         }
 301 }
 302
 303 our $hash_parent = $cgi->param('hp');
 304 if (defined $hash_parent) {
 305         if (!validate_refname($hash_parent)) {
 306                 die_error(undef, "Invalid hash parent parameter");
 307         }
 308 }
 309
 310 our $hash_base = $cgi->param('hb');
 311 if (defined $hash_base) {
 312         if (!validate_refname($hash_base)) {
 313                 die_error(undef, "Invalid hash base parameter");
 314         }
 315 }
 316
 317 our $hash_parent_base = $cgi->param('hpb');
 318 if (defined $hash_parent_base) {
 319         if (!validate_refname($hash_parent_base)) {
 320                 die_error(undef, "Invalid hash parent base parameter");
 321         }
 322 }
 323
 324 # other parameters
 325 our $page = $cgi->param('pg');
 326 if (defined $page) {
 327         if ($page =~ m/[^0-9]/) {
 328                 die_error(undef, "Invalid page parameter");
 329         }
 330 }
 331
 332 our $searchtext = $cgi->param('s');
 333 if (defined $searchtext) {
 334         if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 335                 die_error(undef, "Invalid search parameter");
 336         }
 337         $searchtext = quotemeta $searchtext;
 338 }
 339
 340 # now read PATH_INFO and use it as alternative to parameters
 341 sub evaluate_path_info {
 342         return if defined $project;
 343         my $path_info = $ENV{"PATH_INFO"};
 344         return if !$path_info;
 345         $path_info =~ s,^/+,,;
 346         return if !$path_info;
 347         # find which part of PATH_INFO is project
 348         $project = $path_info;
 349         $project =~ s,/+$,,;
 350         while ($project && !check_head_link("$projectroot/$project")) {
 351                 $project =~ s,/*[^/]*$,,;
 352         }
 353         # validate project
 354         $project = validate_pathname($project);
 355         if (!$project ||
 356             ($export_ok && !-e "$projectroot/$project/$export_ok") ||
 357             ($strict_export && !project_in_list($project))) {
 358                 undef $project;
 359                 return;
 360         }
 361         # do not change any parameters if an action is given using the query string
 362         return if $action;
 363         $path_info =~ s,^$project/*,,;
 364         my ($refname, $pathname) = split(/:/, $path_info, 2);
 365         if (defined $pathname) {
 366                 # we got "project.git/branch:filename" or "project.git/branch:dir/"
 367                 # we could use git_get_type(branch:pathname), but it needs $git_dir
 368                 $pathname =~ s,^/+,,;
 369                 if (!$pathname || substr($pathname, -1) eq "/") {
 370                         $action  ||= "tree";
 371                         $pathname =~ s,/$,,;
 372                 } else {
 373                         $action  ||= "blob_plain";
 374                 }
 375                 $hash_base ||= validate_refname($refname);
 376                 $file_name ||= validate_pathname($pathname);
 377         } elsif (defined $refname) {
 378                 # we got "project.git/branch"
 379                 $action ||= "shortlog";
 380                 $hash   ||= validate_refname($refname);
 381         }
 382 }
 383 evaluate_path_info();
 384
 385 # path to the current git repository
 386 our $git_dir;
 387 $git_dir = "$projectroot/$project" if $project;
 388
 389 # dispatch
 390 my %actions = (
 391         "blame" => \&git_blame2,
 392         "blobdiff" => \&git_blobdiff,
 393         "blobdiff_plain" => \&git_blobdiff_plain,
 394         "blob" => \&git_blob,
 395         "blob_plain" => \&git_blob_plain,
 396         "commitdiff" => \&git_commitdiff,
 397         "commitdiff_plain" => \&git_commitdiff_plain,
 398         "commit" => \&git_commit,
 399         "heads" => \&git_heads,
 400         "history" => \&git_history,
 401         "log" => \&git_log,
 402         "rss" => \&git_rss,
 403         "search" => \&git_search,
 404         "shortlog" => \&git_shortlog,
 405         "summary" => \&git_summary,
 406         "tag" => \&git_tag,
 407         "tags" => \&git_tags,
 408         "tree" => \&git_tree,
 409         "snapshot" => \&git_snapshot,
 410         # those below don't need $project
 411         "opml" => \&git_opml,
 412         "project_list" => \&git_project_list,
 413         "project_index" => \&git_project_index,
 414 );
 415
 416 if (defined $project) {
 417         $action ||= 'summary';
 418 } else {
 419         $action ||= 'project_list';
 420 }
 421 if (!defined($actions{$action})) {
 422         die_error(undef, "Unknown action");
 423 }
 424 if ($action !~ m/^(opml|project_list|project_index)$/ &&
 425     !$project) {
 426         die_error(undef, "Project needed");
 427 }
 428 $actions{$action}->();
 429 exit;
 430
 431 ## ======================================================================
 432 ## action links
 433
 434 sub href(%) {
 435         my %params = @_;
 436         my $href = $my_uri;
 437
 438         my @mapping = (
 439                 project => "p",
 440                 action => "a",
 441                 file_name => "f",
 442                 file_parent => "fp",
 443                 hash => "h",
 444                 hash_parent => "hp",
 445                 hash_base => "hb",
 446                 hash_parent_base => "hpb",
 447                 page => "pg",
 448                 order => "o",
 449                 searchtext => "s",
 450         );
 451         my %mapping = @mapping;
 452
 453         $params{'project'} = $project unless exists $params{'project'};
 454
 455         my ($use_pathinfo) = gitweb_check_feature('pathinfo');
 456         if ($use_pathinfo) {
 457                 # use PATH_INFO for project name
 458                 $href .= "/$params{'project'}" if defined $params{'project'};
 459                 delete $params{'project'};
 460
 461                 # Summary just uses the project path URL
 462                 if (defined $params{'action'} && $params{'action'} eq 'summary') {
 463                         delete $params{'action'};
 464                 }
 465         }
 466
 467         # now encode the parameters explicitly
 468         my @result = ();
 469         for (my $i = 0; $i < @mapping; $i += 2) {
 470                 my ($name, $symbol) = ($mapping[$i], $mapping[$i+1]);
 471                 if (defined $params{$name}) {
 472                         push @result, $symbol . "=" . esc_param($params{$name});
 473                 }
 474         }
 475         $href .= "?" . join(';', @result) if scalar @result;
 476
 477         return $href;
 478 }
 479
 480
 481 ## ======================================================================
 482 ## validation, quoting/unquoting and escaping
 483
 484 sub validate_pathname {
 485         my $input = shift || return undef;
 486
 487         # no '.' or '..' as elements of path, i.e. no '.' nor '..'
 488         # at the beginning, at the end, and between slashes.
 489         # also this catches doubled slashes
 490         if ($input =~ m!(^|/)(|\.|\.\.)(/|$)!) {
 491                 return undef;
 492         }
 493         # no null characters
 494         if ($input =~ m!\0!) {
 495                 return undef;
 496         }
 497         return $input;
 498 }
 499
 500 sub validate_refname {
 501         my $input = shift || return undef;
 502
 503         # textual hashes are O.K.
 504         if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 505                 return $input;
 506         }
 507         # it must be correct pathname
 508         $input = validate_pathname($input)
 509                 or return undef;
 510         # restrictions on ref name according to git-check-ref-format
 511         if ($input =~ m!(/\.|\.\.|[\000-\040\177 ~^:?*\[]|/$)!) {
 512                 return undef;
 513         }
 514         return $input;
 515 }
 516
 517 # very thin wrapper for decode("utf8", $str, Encode::FB_DEFAULT);
 518 sub to_utf8 {
 519         my $str = shift;
 520         return decode("utf8", $str, Encode::FB_DEFAULT);
 521 }
 522
 523 # quote unsafe chars, but keep the slash, even when it's not
 524 # correct, but quoted slashes look too horrible in bookmarks
 525 sub esc_param {
 526         my $str = shift;
 527         $str =~ s/([^A-Za-z0-9\-_.~()\/:@])/sprintf("%%%02X", ord($1))/eg;
 528         $str =~ s/\+/%2B/g;
 529         $str =~ s/ /\+/g;
 530         return $str;
 531 }
 532
 533 # quote unsafe chars in whole URL, so some charactrs cannot be quoted
 534 sub esc_url {
 535         my $str = shift;
 536         $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 537         $str =~ s/\+/%2B/g;
 538         $str =~ s/ /\+/g;
 539         return $str;
 540 }
 541
 542 # replace invalid utf8 character with SUBSTITUTION sequence
 543 sub esc_html {
 544         my $str = shift;
 545         $str = to_utf8($str);
 546         $str = escapeHTML($str);
 547         $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
 548         $str =~ s/\033/^[/g; # "escape" ESCAPE (\e) character (e.g. commit 20a3847d8a5032ce41f90dcc68abfb36e6fee9b1)
 549         return $str;
 550 }
 551
 552 # git may return quoted and escaped filenames
 553 sub unquote {
 554         my $str = shift;
 555         if ($str =~ m/^"(.*)"$/) {
 556                 $str = $1;
 557                 $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 558         }
 559         return $str;
 560 }
 561
 562 # escape tabs (convert tabs to spaces)
 563 sub untabify {
 564         my $line = shift;
 565
 566         while ((my $pos = index($line, "\t")) != -1) {
 567                 if (my $count = (8 - ($pos % 8))) {
 568                         my $spaces = ' ' x $count;
 569                         $line =~ s/\t/$spaces/;
 570                 }
 571         }
 572
 573         return $line;
 574 }
 575
 576 sub project_in_list {
 577         my $project = shift;
 578         my @list = git_get_projects_list();
 579         return @list && scalar(grep { $_->{'path'} eq $project } @list);
 580 }
 581
 582 ## ----------------------------------------------------------------------
 583 ## HTML aware string manipulation
 584
 585 sub chop_str {
 586         my $str = shift;
 587         my $len = shift;
 588         my $add_len = shift || 10;
 589
 590         # allow only $len chars, but don't cut a word if it would fit in $add_len
 591         # if it doesn't fit, cut it if it's still longer than the dots we would add
 592         $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 593         my $body = $1;
 594         my $tail = $2;
 595         if (length($tail) > 4) {
 596                 $tail = " ...";
 597                 $body =~ s/&[^;]*$//; # remove chopped character entities
 598         }
 599         return "$body$tail";
 600 }
 601
 602 ## ----------------------------------------------------------------------
 603 ## functions returning short strings
 604
 605 # CSS class for given age value (in seconds)
 606 sub age_class {
 607         my $age = shift;
 608
 609         if ($age < 60*60*2) {
 610                 return "age0";
 611         } elsif ($age < 60*60*24*2) {
 612                 return "age1";
 613         } else {
 614                 return "age2";
 615         }
 616 }
 617
 618 # convert age in seconds to "nn units ago" string
 619 sub age_string {
 620         my $age = shift;
 621         my $age_str;
 622
 623         if ($age > 60*60*24*365*2) {
 624                 $age_str = (int $age/60/60/24/365);
 625                 $age_str .= " years ago";
 626         } elsif ($age > 60*60*24*(365/12)*2) {
 627                 $age_str = int $age/60/60/24/(365/12);
 628                 $age_str .= " months ago";
 629         } elsif ($age > 60*60*24*7*2) {
 630                 $age_str = int $age/60/60/24/7;
 631                 $age_str .= " weeks ago";
 632         } elsif ($age > 60*60*24*2) {
 633                 $age_str = int $age/60/60/24;
 634                 $age_str .= " days ago";
 635         } elsif ($age > 60*60*2) {
 636                 $age_str = int $age/60/60;
 637                 $age_str .= " hours ago";
 638         } elsif ($age > 60*2) {
 639                 $age_str = int $age/60;
 640                 $age_str .= " min ago";
 641         } elsif ($age > 2) {
 642                 $age_str = int $age;
 643                 $age_str .= " sec ago";
 644         } else {
 645                 $age_str .= " right now";
 646         }
 647         return $age_str;
 648 }
 649
 650 # convert file mode in octal to symbolic file mode string
 651 sub mode_str {
 652         my $mode = oct shift;
 653
 654         if (S_ISDIR($mode & S_IFMT)) {
 655                 return 'drwxr-xr-x';
 656         } elsif (S_ISLNK($mode)) {
 657                 return 'lrwxrwxrwx';
 658         } elsif (S_ISREG($mode)) {
 659                 # git cares only about the executable bit
 660                 if ($mode & S_IXUSR) {
 661                         return '-rwxr-xr-x';
 662                 } else {
 663                         return '-rw-r--r--';
 664                 };
 665         } else {
 666                 return '----------';
 667         }
 668 }
 669
 670 # convert file mode in octal to file type string
 671 sub file_type {
 672         my $mode = shift;
 673
 674         if ($mode !~ m/^[0-7]+$/) {
 675                 return $mode;
 676         } else {
 677                 $mode = oct $mode;
 678         }
 679
 680         if (S_ISDIR($mode & S_IFMT)) {
 681                 return "directory";
 682         } elsif (S_ISLNK($mode)) {
 683                 return "symlink";
 684         } elsif (S_ISREG($mode)) {
 685                 return "file";
 686         } else {
 687                 return "unknown";
 688         }
 689 }
 690
 691 ## ----------------------------------------------------------------------
 692 ## functions returning short HTML fragments, or transforming HTML fragments
 693 ## which don't beling to other sections
 694
 695 # format line of commit message or tag comment
 696 sub format_log_line_html {
 697         my $line = shift;
 698
 699         $line = esc_html($line);
 700         $line =~ s/ /&nbsp;/g;
 701         if ($line =~ m/([0-9a-fA-F]{40})/) {
 702                 my $hash_text = $1;
 703                 if (git_get_type($hash_text) eq "commit") {
 704                         my $link =
 705                                 $cgi->a({-href => href(action=>"commit", hash=>$hash_text),
 706                                         -class => "text"}, $hash_text);
 707                         $line =~ s/$hash_text/$link/;
 708                 }
 709         }
 710         return $line;
 711 }
 712
 713 # format marker of refs pointing to given object
 714 sub format_ref_marker {
 715         my ($refs, $id) = @_;
 716         my $markers = '';
 717
 718         if (defined $refs->{$id}) {
 719                 foreach my $ref (@{$refs->{$id}}) {
 720                         my ($type, $name) = qw();
 721                         # e.g. tags/v2.6.11 or heads/next
 722                         if ($ref =~ m!^(.*?)s?/(.*)$!) {
 723                                 $type = $1;
 724                                 $name = $2;
 725                         } else {
 726                                 $type = "ref";
 727                                 $name = $ref;
 728                         }
 729
 730                         $markers .= " <span class=\"$type\">" . esc_html($name) . "</span>";
 731                 }
 732         }
 733
 734         if ($markers) {
 735                 return ' <span class="refs">'. $markers . '</span>';
 736         } else {
 737                 return "";
 738         }
 739 }
 740
 741 # format, perhaps shortened and with markers, title line
 742 sub format_subject_html {
 743         my ($long, $short, $href, $extra) = @_;
 744         $extra = '' unless defined($extra);
 745
 746         if (length($short) < length($long)) {
 747                 return $cgi->a({-href => $href, -class => "list subject",
 748                                 -title => to_utf8($long)},
 749                        esc_html($short) . $extra);
 750         } else {
 751                 return $cgi->a({-href => $href, -class => "list subject"},
 752                        esc_html($long)  . $extra);
 753         }
 754 }
 755
 756 sub format_diff_line {
 757         my $line = shift;
 758         my $char = substr($line, 0, 1);
 759         my $diff_class = "";
 760
 761         chomp $line;
 762
 763         if ($char eq '+') {
 764                 $diff_class = " add";
 765         } elsif ($char eq "-") {
 766                 $diff_class = " rem";
 767         } elsif ($char eq "@") {
 768                 $diff_class = " chunk_header";
 769         } elsif ($char eq "\\") {
 770                 $diff_class = " incomplete";
 771         }
 772         $line = untabify($line);
 773         return "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
 774 }
 775
 776 ## ----------------------------------------------------------------------
 777 ## git utility subroutines, invoking git commands
 778
 779 # returns path to the core git executable and the --git-dir parameter as list
 780 sub git_cmd {
 781         return $GIT, '--git-dir='.$git_dir;
 782 }
 783
 784 # returns path to the core git executable and the --git-dir parameter as string
 785 sub git_cmd_str {
 786         return join(' ', git_cmd());
 787 }
 788
 789 # get HEAD ref of given project as hash
 790 sub git_get_head_hash {
 791         my $project = shift;
 792         my $o_git_dir = $git_dir;
 793         my $retval = undef;
 794         $git_dir = "$projectroot/$project";
 795         if (open my $fd, "-|", git_cmd(), "rev-parse", "--verify", "HEAD") {
 796                 my $head = <$fd>;
 797                 close $fd;
 798                 if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 799                         $retval = $1;
 800                 }
 801         }
 802         if (defined $o_git_dir) {
 803                 $git_dir = $o_git_dir;
 804         }
 805         return $retval;
 806 }
 807
 808 # get type of given object
 809 sub git_get_type {
 810         my $hash = shift;
 811
 812         open my $fd, "-|", git_cmd(), "cat-file", '-t', $hash or return;
 813         my $type = <$fd>;
 814         close $fd or return;
 815         chomp $type;
 816         return $type;
 817 }
 818
 819 sub git_get_project_config {
 820         my ($key, $type) = @_;
 821
 822         return unless ($key);
 823         $key =~ s/^gitweb\.//;
 824         return if ($key =~ m/\W/);
 825
 826         my @x = (git_cmd(), 'repo-config');
 827         if (defined $type) { push @x, $type; }
 828         push @x, "--get";
 829         push @x, "gitweb.$key";
 830         my $val = qx(@x);
 831         chomp $val;
 832         return ($val);
 833 }
 834
 835 # get hash of given path at given ref
 836 sub git_get_hash_by_path {
 837         my $base = shift;
 838         my $path = shift || return undef;
 839         my $type = shift;
 840
 841         $path =~ s,/+$,,;
 842
 843         open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path
 844                 or die_error(undef, "Open git-ls-tree failed");
 845         my $line = <$fd>;
 846         close $fd or return undef;
 847
 848         #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
 849         $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
 850         if (defined $type && $type ne $2) {
 851                 # type doesn't match
 852                 return undef;
 853         }
 854         return $3;
 855 }
 856
 857 ## ......................................................................
 858 ## git utility functions, directly accessing git repository
 859
 860 sub git_get_project_description {
 861         my $path = shift;
 862
 863         open my $fd, "$projectroot/$path/description" or return undef;
 864         my $descr = <$fd>;
 865         close $fd;
 866         chomp $descr;
 867         return $descr;
 868 }
 869
 870 sub git_get_project_url_list {
 871         my $path = shift;
 872
 873         open my $fd, "$projectroot/$path/cloneurl" or return;
 874         my @git_project_url_list = map { chomp; $_ } <$fd>;
 875         close $fd;
 876
 877         return wantarray ? @git_project_url_list : \@git_project_url_list;
 878 }
 879
 880 sub git_get_projects_list {
 881         my @list;
 882
 883         if (-d $projects_list) {
 884                 # search in directory
 885                 my $dir = $projects_list;
 886                 my $pfxlen = length("$dir");
 887
 888                 File::Find::find({
 889                         follow_fast => 1, # follow symbolic links
 890                         dangling_symlinks => 0, # ignore dangling symlinks, silently
 891                         wanted => sub {
 892                                 # skip project-list toplevel, if we get it.
 893                                 return if (m!^[/.]$!);
 894                                 # only directories can be git repositories
 895                                 return unless (-d $_);
 896
 897                                 my $subdir = substr($File::Find::name, $pfxlen + 1);
 898                                 # we check related file in $projectroot
 899                                 if (check_export_ok("$projectroot/$subdir")) {
 900                                         push @list, { path => $subdir };
 901                                         $File::Find::prune = 1;
 902                                 }
 903                         },
 904                 }, "$dir");
 905
 906         } elsif (-f $projects_list) {
 907                 # read from file(url-encoded):
 908                 # 'git%2Fgit.git Linus+Torvalds'
 909                 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 910                 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 911                 open my ($fd), $projects_list or return;
 912                 while (my $line = <$fd>) {
 913                         chomp $line;
 914                         my ($path, $owner) = split ' ', $line;
 915                         $path = unescape($path);
 916                         $owner = unescape($owner);
 917                         if (!defined $path) {
 918                                 next;
 919                         }
 920                         if (check_export_ok("$projectroot/$path")) {
 921                                 my $pr = {
 922                                         path => $path,
 923                                         owner => to_utf8($owner),
 924                                 };
 925                                 push @list, $pr
 926                         }
 927                 }
 928                 close $fd;
 929         }
 930         @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 931         return @list;
 932 }
 933
 934 sub git_get_project_owner {
 935         my $project = shift;
 936         my $owner;
 937
 938         return undef unless $project;
 939
 940         # read from file (url-encoded):
 941         # 'git%2Fgit.git Linus+Torvalds'
 942         # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 943         # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 944         if (-f $projects_list) {
 945                 open (my $fd , $projects_list);
 946                 while (my $line = <$fd>) {
 947                         chomp $line;
 948                         my ($pr, $ow) = split ' ', $line;
 949                         $pr = unescape($pr);
 950                         $ow = unescape($ow);
 951                         if ($pr eq $project) {
 952                                 $owner = to_utf8($ow);
 953                                 last;
 954                         }
 955                 }
 956                 close $fd;
 957         }
 958         if (!defined $owner) {
 959                 $owner = get_file_owner("$projectroot/$project");
 960         }
 961
 962         return $owner;
 963 }
 964
 965 sub git_get_references {
 966         my $type = shift || "";
 967         my %refs;
 968         # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 969         # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 970         open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/"
 971                 or return;
 972
 973         while (my $line = <$fd>) {
 974                 chomp $line;
 975                 if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?[^\^]+)/) {
 976                         if (defined $refs{$1}) {
 977                                 push @{$refs{$1}}, $2;
 978                         } else {
 979                                 $refs{$1} = [ $2 ];
 980                         }
 981                 }
 982         }
 983         close $fd or return;
 984         return \%refs;
 985 }
 986
 987 sub git_get_rev_name_tags {
 988         my $hash = shift || return undef;
 989
 990         open my $fd, "-|", git_cmd(), "name-rev", "--tags", $hash
 991                 or return;
 992         my $name_rev = <$fd>;
 993         close $fd;
 994
 995         if ($name_rev =~ m|^$hash tags/(.*)$|) {
 996                 return $1;
 997         } else {
 998                 # catches also '$hash undefined' output
 999                 return undef;
1000         }
1001 }
1002
1003 ## ----------------------------------------------------------------------
1004 ## parse to hash functions
1005
1006 sub parse_date {
1007         my $epoch = shift;
1008         my $tz = shift || "-0000";
1009
1010         my %date;
1011         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
1012         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
1013         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
1014         $date{'hour'} = $hour;
1015         $date{'minute'} = $min;
1016         $date{'mday'} = $mday;
1017         $date{'day'} = $days[$wday];
1018         $date{'month'} = $months[$mon];
1019         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
1020                            $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
1021         $date{'mday-time'} = sprintf "%d %s %02d:%02d",
1022                              $mday, $months[$mon], $hour ,$min;
1023
1024         $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
1025         my $local = $epoch + ((int $1 + ($2/60)) * 3600);
1026         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
1027         $date{'hour_local'} = $hour;
1028         $date{'minute_local'} = $min;
1029         $date{'tz_local'} = $tz;
1030         $date{'iso-tz'} = sprintf ("%04d-%02d-%02d %02d:%02d:%02d %s",
1031                                    1900+$year, $mon+1, $mday,
1032                                    $hour, $min, $sec, $tz);
1033         return %date;
1034 }
1035
1036 sub parse_tag {
1037         my $tag_id = shift;
1038         my %tag;
1039         my @comment;
1040
1041         open my $fd, "-|", git_cmd(), "cat-file", "tag", $tag_id or return;
1042         $tag{'id'} = $tag_id;
1043         while (my $line = <$fd>) {
1044                 chomp $line;
1045                 if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
1046                         $tag{'object'} = $1;
1047                 } elsif ($line =~ m/^type (.+)$/) {
1048                         $tag{'type'} = $1;
1049                 } elsif ($line =~ m/^tag (.+)$/) {
1050                         $tag{'name'} = $1;
1051                 } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
1052                         $tag{'author'} = $1;
1053                         $tag{'epoch'} = $2;
1054                         $tag{'tz'} = $3;
1055                 } elsif ($line =~ m/--BEGIN/) {
1056                         push @comment, $line;
1057                         last;
1058                 } elsif ($line eq "") {
1059                         last;
1060                 }
1061         }
1062         push @comment, <$fd>;
1063         $tag{'comment'} = \@comment;
1064         close $fd or return;
1065         if (!defined $tag{'name'}) {
1066                 return
1067         };
1068         return %tag
1069 }
1070
1071 sub parse_commit {
1072         my $commit_id = shift;
1073         my $commit_text = shift;
1074
1075         my @commit_lines;
1076         my %co;
1077
1078         if (defined $commit_text) {
1079                 @commit_lines = @$commit_text;
1080         } else {
1081                 $/ = "\0";
1082                 open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", "--max-count=1", $commit_id
1083                         or return;
1084                 @commit_lines = split '\n', <$fd>;
1085                 close $fd or return;
1086                 $/ = "\n";
1087                 pop @commit_lines;
1088         }
1089         my $header = shift @commit_lines;
1090         if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
1091                 return;
1092         }
1093         ($co{'id'}, my @parents) = split ' ', $header;
1094         $co{'parents'} = \@parents;
1095         $co{'parent'} = $parents[0];
1096         while (my $line = shift @commit_lines) {
1097                 last if $line eq "\n";
1098                 if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
1099                         $co{'tree'} = $1;
1100                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
1101                         $co{'author'} = $1;
1102                         $co{'author_epoch'} = $2;
1103                         $co{'author_tz'} = $3;
1104                         if ($co{'author'} =~ m/^([^<]+) </) {
1105                                 $co{'author_name'} = $1;
1106                         } else {
1107                                 $co{'author_name'} = $co{'author'};
1108                         }
1109                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
1110                         $co{'committer'} = $1;
1111                         $co{'committer_epoch'} = $2;
1112                         $co{'committer_tz'} = $3;
1113                         $co{'committer_name'} = $co{'committer'};
1114                         $co{'committer_name'} =~ s/ <.*//;
1115                 }
1116         }
1117         if (!defined $co{'tree'}) {
1118                 return;
1119         };
1120
1121         foreach my $title (@commit_lines) {
1122                 $title =~ s/^    //;
1123                 if ($title ne "") {
1124                         $co{'title'} = chop_str($title, 80, 5);
1125                         # remove leading stuff of merges to make the interesting part visible
1126                         if (length($title) > 50) {
1127                                 $title =~ s/^Automatic //;
1128                                 $title =~ s/^merge (of|with) /Merge ... /i;
1129                                 if (length($title) > 50) {
1130                                         $title =~ s/(http|rsync):\/\///;
1131                                 }
1132                                 if (length($title) > 50) {
1133                                         $title =~ s/(master|www|rsync)\.//;
1134                                 }
1135                                 if (length($title) > 50) {
1136                                         $title =~ s/kernel.org:?//;
1137                                 }
1138                                 if (length($title) > 50) {
1139                                         $title =~ s/\/pub\/scm//;
1140                                 }
1141                         }
1142                         $co{'title_short'} = chop_str($title, 50, 5);
1143                         last;
1144                 }
1145         }
1146         if ($co{'title'} eq "") {
1147                 $co{'title'} = $co{'title_short'} = '(no commit message)';
1148         }
1149         # remove added spaces
1150         foreach my $line (@commit_lines) {
1151                 $line =~ s/^    //;
1152         }
1153         $co{'comment'} = \@commit_lines;
1154
1155         my $age = time - $co{'committer_epoch'};
1156         $co{'age'} = $age;
1157         $co{'age_string'} = age_string($age);
1158         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
1159         if ($age > 60*60*24*7*2) {
1160                 $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
1161                 $co{'age_string_age'} = $co{'age_string'};
1162         } else {
1163                 $co{'age_string_date'} = $co{'age_string'};
1164                 $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
1165         }
1166         return %co;
1167 }
1168
1169 # parse ref from ref_file, given by ref_id, with given type
1170 sub parse_ref {
1171         my $ref_file = shift;
1172         my $ref_id = shift;
1173         my $type = shift || git_get_type($ref_id);
1174         my %ref_item;
1175
1176         $ref_item{'type'} = $type;
1177         $ref_item{'id'} = $ref_id;
1178         $ref_item{'epoch'} = 0;
1179         $ref_item{'age'} = "unknown";
1180         if ($type eq "tag") {
1181                 my %tag = parse_tag($ref_id);
1182                 $ref_item{'comment'} = $tag{'comment'};
1183                 if ($tag{'type'} eq "commit") {
1184                         my %co = parse_commit($tag{'object'});
1185                         $ref_item{'epoch'} = $co{'committer_epoch'};
1186                         $ref_item{'age'} = $co{'age_string'};
1187                 } elsif (defined($tag{'epoch'})) {
1188                         my $age = time - $tag{'epoch'};
1189                         $ref_item{'epoch'} = $tag{'epoch'};
1190                         $ref_item{'age'} = age_string($age);
1191                 }
1192                 $ref_item{'reftype'} = $tag{'type'};
1193                 $ref_item{'name'} = $tag{'name'};
1194                 $ref_item{'refid'} = $tag{'object'};
1195         } elsif ($type eq "commit"){
1196                 my %co = parse_commit($ref_id);
1197                 $ref_item{'reftype'} = "commit";
1198                 $ref_item{'name'} = $ref_file;
1199                 $ref_item{'title'} = $co{'title'};
1200                 $ref_item{'refid'} = $ref_id;
1201                 $ref_item{'epoch'} = $co{'committer_epoch'};
1202                 $ref_item{'age'} = $co{'age_string'};
1203         } else {
1204                 $ref_item{'reftype'} = $type;
1205                 $ref_item{'name'} = $ref_file;
1206                 $ref_item{'refid'} = $ref_id;
1207         }
1208
1209         return %ref_item;
1210 }
1211
1212 # parse line of git-diff-tree "raw" output
1213 sub parse_difftree_raw_line {
1214         my $line = shift;
1215         my %res;
1216
1217         # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M   ls-files.c'
1218         # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M   rev-tree.c'
1219         if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
1220                 $res{'from_mode'} = $1;
1221                 $res{'to_mode'} = $2;
1222                 $res{'from_id'} = $3;
1223                 $res{'to_id'} = $4;
1224                 $res{'status'} = $5;
1225                 $res{'similarity'} = $6;
1226                 if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
1227                         ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
1228                 } else {
1229                         $res{'file'} = unquote($7);
1230                 }
1231         }
1232         # 'c512b523472485aef4fff9e57b229d9d243c967f'
1233         elsif ($line =~ m/^([0-9a-fA-F]{40})$/) {
1234                 $res{'commit'} = $1;
1235         }
1236
1237         return wantarray ? %res : \%res;
1238 }
1239
1240 # parse line of git-ls-tree output
1241 sub parse_ls_tree_line ($;%) {
1242         my $line = shift;
1243         my %opts = @_;
1244         my %res;
1245
1246         #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
1247         $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1248
1249         $res{'mode'} = $1;
1250         $res{'type'} = $2;
1251         $res{'hash'} = $3;
1252         if ($opts{'-z'}) {
1253                 $res{'name'} = $4;
1254         } else {
1255                 $res{'name'} = unquote($4);
1256         }
1257
1258         return wantarray ? %res : \%res;
1259 }
1260
1261 ## ......................................................................
1262 ## parse to array of hashes functions
1263
1264 sub git_get_refs_list {
1265         my $type = shift || "";
1266         my %refs;
1267         my @reflist;
1268
1269         my @refs;
1270         open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/"
1271                 or return;
1272         while (my $line = <$fd>) {
1273                 chomp $line;
1274                 if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?([^\^]+))(\^\{\})?$/) {
1275                         if (defined $refs{$1}) {
1276                                 push @{$refs{$1}}, $2;
1277                         } else {
1278                                 $refs{$1} = [ $2 ];
1279                         }
1280
1281                         if (! $4) { # unpeeled, direct reference
1282                                 push @refs, { hash => $1, name => $3 }; # without type
1283                         } elsif ($3 eq $refs[-1]{'name'}) {
1284                                 # most likely a tag is followed by its peeled
1285                                 # (deref) one, and when that happens we know the
1286                                 # previous one was of type 'tag'.
1287                                 $refs[-1]{'type'} = "tag";
1288                         }
1289                 }
1290         }
1291         close $fd;
1292
1293         foreach my $ref (@refs) {
1294                 my $ref_file = $ref->{'name'};
1295                 my $ref_id   = $ref->{'hash'};
1296
1297                 my $type = $ref->{'type'} || git_get_type($ref_id) || next;
1298                 my %ref_item = parse_ref($ref_file, $ref_id, $type);
1299
1300                 push @reflist, \%ref_item;
1301         }
1302         # sort refs by age
1303         @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1304         return (\@reflist, \%refs);
1305 }
1306
1307 ## ----------------------------------------------------------------------
1308 ## filesystem-related functions
1309
1310 sub get_file_owner {
1311         my $path = shift;
1312
1313         my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
1314         my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
1315         if (!defined $gcos) {
1316                 return undef;
1317         }
1318         my $owner = $gcos;
1319         $owner =~ s/[,;].*$//;
1320         return to_utf8($owner);
1321 }
1322
1323 ## ......................................................................
1324 ## mimetype related functions
1325
1326 sub mimetype_guess_file {
1327         my $filename = shift;
1328         my $mimemap = shift;
1329         -r $mimemap or return undef;
1330
1331         my %mimemap;
1332         open(MIME, $mimemap) or return undef;
1333         while (<MIME>) {
1334                 next if m/^#/; # skip comments
1335                 my ($mime, $exts) = split(/\t+/);
1336                 if (defined $exts) {
1337                         my @exts = split(/\s+/, $exts);
1338                         foreach my $ext (@exts) {
1339                                 $mimemap{$ext} = $mime;
1340                         }
1341                 }
1342         }
1343         close(MIME);
1344
1345         $filename =~ /\.([^.]*)$/;
1346         return $mimemap{$1};
1347 }
1348
1349 sub mimetype_guess {
1350         my $filename = shift;
1351         my $mime;
1352         $filename =~ /\./ or return undef;
1353
1354         if ($mimetypes_file) {
1355                 my $file = $mimetypes_file;
1356                 if ($file !~ m!^/!) { # if it is relative path
1357                         # it is relative to project
1358                         $file = "$projectroot/$project/$file";
1359                 }
1360                 $mime = mimetype_guess_file($filename, $file);
1361         }
1362         $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1363         return $mime;
1364 }
1365
1366 sub blob_mimetype {
1367         my $fd = shift;
1368         my $filename = shift;
1369
1370         if ($filename) {
1371                 my $mime = mimetype_guess($filename);
1372                 $mime and return $mime;
1373         }
1374
1375         # just in case
1376         return $default_blob_plain_mimetype unless $fd;
1377
1378         if (-T $fd) {
1379                 return 'text/plain' .
1380                        ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1381         } elsif (! $filename) {
1382                 return 'application/octet-stream';
1383         } elsif ($filename =~ m/\.png$/i) {
1384                 return 'image/png';
1385         } elsif ($filename =~ m/\.gif$/i) {
1386                 return 'image/gif';
1387         } elsif ($filename =~ m/\.jpe?g$/i) {
1388                 return 'image/jpeg';
1389         } else {
1390                 return 'application/octet-stream';
1391         }
1392 }
1393
1394 ## ======================================================================
1395 ## functions printing HTML: header, footer, error page
1396
1397 sub git_header_html {
1398         my $status = shift || "200 OK";
1399         my $expires = shift;
1400
1401         my $title = "$site_name git";
1402         if (defined $project) {
1403                 $title .= " - $project";
1404                 if (defined $action) {
1405                         $title .= "/$action";
1406                         if (defined $file_name) {
1407                                 $title .= " - " . esc_html($file_name);
1408                                 if ($action eq "tree" && $file_name !~ m|/$|) {
1409                                         $title .= "/";
1410                                 }
1411                         }
1412                 }
1413         }
1414         my $content_type;
1415         # require explicit support from the UA if we are to send the page as
1416         # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
1417         # we have to do this because MSIE sometimes globs '*/*', pretending to
1418         # support xhtml+xml but choking when it gets what it asked for.
1419         if (defined $cgi->http('HTTP_ACCEPT') &&
1420             $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ &&
1421             $cgi->Accept('application/xhtml+xml') != 0) {
1422                 $content_type = 'application/xhtml+xml';
1423         } else {
1424                 $content_type = 'text/html';
1425         }
1426         print $cgi->header(-type=>$content_type, -charset => 'utf-8',
1427                            -status=> $status, -expires => $expires);
1428         print <<EOF;
1429 <?xml version="1.0" encoding="utf-8"?>
1430 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
1431 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
1432 <!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
1433 <!-- git core binaries version $git_version -->
1434 <head>
1435 <meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
1436 <meta name="generator" content="gitweb/$version git/$git_version"/>
1437 <meta name="robots" content="index, nofollow"/>
1438 <title>$title</title>
1439 EOF
1440 # print out each stylesheet that exist
1441         if (defined $stylesheet) {
1442 #provides backwards capability for those people who define style sheet in a config file
1443                 print '<link rel="stylesheet" type="text/css" href="'.$stylesheet.'"/>'."\n";
1444         } else {
1445                 foreach my $stylesheet (@stylesheets) {
1446                         next unless $stylesheet;
1447                         print '<link rel="stylesheet" type="text/css" href="'.$stylesheet.'"/>'."\n";
1448                 }
1449         }
1450         if (defined $project) {
1451                 printf('<link rel="alternate" title="%s log" '.
1452                        'href="%s" type="application/rss+xml"/>'."\n",
1453                        esc_param($project), href(action=>"rss"));
1454         } else {
1455                 printf('<link rel="alternate" title="%s projects list" '.
1456                        'href="%s" type="text/plain; charset=utf-8"/>'."\n",
1457                        $site_name, href(project=>undef, action=>"project_index"));
1458                 printf('<link rel="alternate" title="%s projects logs" '.
1459                        'href="%s" type="text/x-opml"/>'."\n",
1460                        $site_name, href(project=>undef, action=>"opml"));
1461         }
1462         if (defined $favicon) {
1463                 print qq(<link rel="shortcut icon" href="$favicon" type="image/png"/>\n);
1464         }
1465
1466         print "</head>\n" .
1467               "<body>\n";
1468
1469         if (-f $site_header) {
1470                 open (my $fd, $site_header);
1471                 print <$fd>;
1472                 close $fd;
1473         }
1474
1475         print "<div class=\"page_header\">\n" .
1476               "<a href=\"" . esc_html($githelp_url) .
1477               "\" title=\"" . esc_html($githelp_label) .
1478               "\">" .
1479               "<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
1480               "</a>\n";
1481         print $cgi->a({-href => esc_url($home_link)}, $home_link_str) . " / ";
1482         if (defined $project) {
1483                 print $cgi->a({-href => href(action=>"summary")}, esc_html($project));
1484                 if (defined $action) {
1485                         print " / $action";
1486                 }
1487                 print "\n";
1488                 if (!defined $searchtext) {
1489                         $searchtext = "";
1490                 }
1491                 my $search_hash;
1492                 if (defined $hash_base) {
1493                         $search_hash = $hash_base;
1494                 } elsif (defined $hash) {
1495                         $search_hash = $hash;
1496                 } else {
1497                         $search_hash = "HEAD";
1498                 }
1499                 $cgi->param("a", "search");
1500                 $cgi->param("h", $search_hash);
1501                 print $cgi->startform(-method => "get", -action => $my_uri) .
1502                       "<div class=\"search\">\n" .
1503                       $cgi->hidden(-name => "p") . "\n" .
1504                       $cgi->hidden(-name => "a") . "\n" .
1505                       $cgi->hidden(-name => "h") . "\n" .
1506                       $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
1507                       "</div>" .
1508                       $cgi->end_form() . "\n";
1509         }
1510         print "</div>\n";
1511 }
1512
1513 sub git_footer_html {
1514         print "<div class=\"page_footer\">\n";
1515         if (defined $project) {
1516                 my $descr = git_get_project_description($project);
1517                 if (defined $descr) {
1518                         print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
1519                 }
1520                 print $cgi->a({-href => href(action=>"rss"),
1521                               -class => "rss_logo"}, "RSS") . "\n";
1522         } else {
1523                 print $cgi->a({-href => href(project=>undef, action=>"opml"),
1524                               -class => "rss_logo"}, "OPML") . " ";
1525                 print $cgi->a({-href => href(project=>undef, action=>"project_index"),
1526                               -class => "rss_logo"}, "TXT") . "\n";
1527         }
1528         print "</div>\n" ;
1529
1530         if (-f $site_footer) {
1531                 open (my $fd, $site_footer);
1532                 print <$fd>;
1533                 close $fd;
1534         }
1535
1536         print "</body>\n" .
1537               "</html>";
1538 }
1539
1540 sub die_error {
1541         my $status = shift || "403 Forbidden";
1542         my $error = shift || "Malformed query, file missing or permission denied";
1543
1544         git_header_html($status);
1545         print <<EOF;
1546 <div class="page_body">
1547 <br /><br />
1548 $status - $error
1549 <br />
1550 </div>
1551 EOF
1552         git_footer_html();
1553         exit;
1554 }
1555
1556 ## ----------------------------------------------------------------------
1557 ## functions printing or outputting HTML: navigation
1558
1559 sub git_print_page_nav {
1560         my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
1561         $extra = '' if !defined $extra; # pager or formats
1562
1563         my @navs = qw(summary shortlog log commit commitdiff tree);
1564         if ($suppress) {
1565                 @navs = grep { $_ ne $suppress } @navs;
1566         }
1567
1568         my %arg = map { $_ => {action=>$_} } @navs;
1569         if (defined $head) {
1570                 for (qw(commit commitdiff)) {
1571                         $arg{$_}{hash} = $head;
1572                 }
1573                 if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
1574                         for (qw(shortlog log)) {
1575                                 $arg{$_}{hash} = $head;
1576                         }
1577                 }
1578         }
1579         $arg{tree}{hash} = $treehead if defined $treehead;
1580         $arg{tree}{hash_base} = $treebase if defined $treebase;
1581
1582         print "<div class=\"page_nav\">\n" .
1583                 (join " | ",
1584                  map { $_ eq $current ?
1585                        $_ : $cgi->a({-href => href(%{$arg{$_}})}, "$_")
1586                  } @navs);
1587         print "<br/>\n$extra<br/>\n" .
1588               "</div>\n";
1589 }
1590
1591 sub format_paging_nav {
1592         my ($action, $hash, $head, $page, $nrevs) = @_;
1593         my $paging_nav;
1594
1595
1596         if ($hash ne $head || $page) {
1597                 $paging_nav .= $cgi->a({-href => href(action=>$action)}, "HEAD");
1598         } else {
1599                 $paging_nav .= "HEAD";
1600         }
1601
1602         if ($page > 0) {
1603                 $paging_nav .= " &sdot; " .
1604                         $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page-1),
1605                                  -accesskey => "p", -title => "Alt-p"}, "prev");
1606         } else {
1607                 $paging_nav .= " &sdot; prev";
1608         }
1609
1610         if ($nrevs >= (100 * ($page+1)-1)) {
1611                 $paging_nav .= " &sdot; " .
1612                         $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page+1),
1613                                  -accesskey => "n", -title => "Alt-n"}, "next");
1614         } else {
1615                 $paging_nav .= " &sdot; next";
1616         }
1617
1618         return $paging_nav;
1619 }
1620
1621 ## ......................................................................
1622 ## functions printing or outputting HTML: div
1623
1624 sub git_print_header_div {
1625         my ($action, $title, $hash, $hash_base) = @_;
1626         my %args = ();
1627
1628         $args{action} = $action;
1629         $args{hash} = $hash if $hash;
1630         $args{hash_base} = $hash_base if $hash_base;
1631
1632         print "<div class=\"header\">\n" .
1633               $cgi->a({-href => href(%args), -class => "title"},
1634               $title ? $title : $action) .
1635               "\n</div>\n";
1636 }
1637
1638 #sub git_print_authorship (\%) {
1639 sub git_print_authorship {
1640         my $co = shift;
1641
1642         my %ad = parse_date($co->{'author_epoch'}, $co->{'author_tz'});
1643         print "<div class=\"author_date\">" .
1644               esc_html($co->{'author_name'}) .
1645               " [$ad{'rfc2822'}";
1646         if ($ad{'hour_local'} < 6) {
1647                 printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
1648                        $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1649         } else {
1650                 printf(" (%02d:%02d %s)",
1651                        $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1652         }
1653         print "]</div>\n";
1654 }
1655
1656 sub git_print_page_path {
1657         my $name = shift;
1658         my $type = shift;
1659         my $hb = shift;
1660
1661         if (!defined $name) {
1662                 print "<div class=\"page_path\">/</div>\n";
1663         } else {
1664                 my @dirname = split '/', $name;
1665                 my $basename = pop @dirname;
1666                 my $fullname = '';
1667
1668                 print "<div class=\"page_path\">";
1669                 print $cgi->a({-href => href(action=>"tree", hash_base=>$hb),
1670                               -title => 'tree root'}, "[$project]");
1671                 print " / ";
1672                 foreach my $dir (@dirname) {
1673                         $fullname .= ($fullname ? '/' : '') . $dir;
1674                         print $cgi->a({-href => href(action=>"tree", file_name=>$fullname,
1675                                                      hash_base=>$hb),
1676                                       -title => $fullname}, esc_html($dir));
1677                         print " / ";
1678                 }
1679                 if (defined $type && $type eq 'blob') {
1680                         print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
1681                                                      hash_base=>$hb),
1682                                       -title => $name}, esc_html($basename));
1683                 } elsif (defined $type && $type eq 'tree') {
1684                         print $cgi->a({-href => href(action=>"tree", file_name=>$file_name,
1685                                                      hash_base=>$hb),
1686                                       -title => $name}, esc_html($basename));
1687                 } else {
1688                         print esc_html($basename);
1689                 }
1690                 print "<br/></div>\n";
1691         }
1692 }
1693
1694 # sub git_print_log (\@;%) {
1695 sub git_print_log ($;%) {
1696         my $log = shift;
1697         my %opts = @_;
1698
1699         if ($opts{'-remove_title'}) {
1700                 # remove title, i.e. first line of log
1701                 shift @$log;
1702         }
1703         # remove leading empty lines
1704         while (defined $log->[0] && $log->[0] eq "") {
1705                 shift @$log;
1706         }
1707
1708         # print log
1709         my $signoff = 0;
1710         my $empty = 0;
1711         foreach my $line (@$log) {
1712                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1713                         $signoff = 1;
1714                         $empty = 0;
1715                         if (! $opts{'-remove_signoff'}) {
1716                                 print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1717                                 next;
1718                         } else {
1719                                 # remove signoff lines
1720                                 next;
1721                         }
1722                 } else {
1723                         $signoff = 0;
1724                 }
1725
1726                 # print only one empty line
1727                 # do not print empty line after signoff
1728                 if ($line eq "") {
1729                         next if ($empty || $signoff);
1730                         $empty = 1;
1731                 } else {
1732                         $empty = 0;
1733                 }
1734
1735                 print format_log_line_html($line) . "<br/>\n";
1736         }
1737
1738         if ($opts{'-final_empty_line'}) {
1739                 # end with single empty line
1740                 print "<br/>\n" unless $empty;
1741         }
1742 }
1743
1744 sub git_print_simplified_log {
1745         my $log = shift;
1746         my $remove_title = shift;
1747
1748         git_print_log($log,
1749                 -final_empty_line=> 1,
1750                 -remove_title => $remove_title);
1751 }
1752
1753 # print tree entry (row of git_tree), but without encompassing <tr> element
1754 sub git_print_tree_entry {
1755         my ($t, $basedir, $hash_base, $have_blame) = @_;
1756
1757         my %base_key = ();
1758         $base_key{hash_base} = $hash_base if defined $hash_base;
1759
1760         # The format of a table row is: mode list link.  Where mode is
1761         # the mode of the entry, list is the name of the entry, an href,
1762         # and link is the action links of the entry.
1763
1764         print "<td class=\"mode\">" . mode_str($t->{'mode'}) . "</td>\n";
1765         if ($t->{'type'} eq "blob") {
1766                 print "<td class=\"list\">" .
1767                         $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
1768                                                file_name=>"$basedir$t->{'name'}", %base_key),
1769                                  -class => "list"}, esc_html($t->{'name'})) . "</td>\n";
1770                 print "<td class=\"link\">";
1771                 if ($have_blame) {
1772                         print $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
1773                                                      file_name=>"$basedir$t->{'name'}", %base_key)},
1774                                       "blame");
1775                 }
1776                 if (defined $hash_base) {
1777                         if ($have_blame) {
1778                                 print " | ";
1779                         }
1780                         print $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
1781                                                      hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
1782                                       "history");
1783                 }
1784                 print " | " .
1785                         $cgi->a({-href => href(action=>"blob_plain", hash_base=>$hash_base,
1786                                                file_name=>"$basedir$t->{'name'}")},
1787                                 "raw");
1788                 print "</td>\n";
1789
1790         } elsif ($t->{'type'} eq "tree") {
1791                 print "<td class=\"list\">";
1792                 print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
1793                                              file_name=>"$basedir$t->{'name'}", %base_key)},
1794                               esc_html($t->{'name'}));
1795                 print "</td>\n";
1796                 print "<td class=\"link\">";
1797                 if (defined $hash_base) {
1798                         print $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
1799                                                      file_name=>"$basedir$t->{'name'}")},
1800                                       "history");
1801                 }
1802                 print "</td>\n";
1803         }
1804 }
1805
1806 ## ......................................................................
1807 ## functions printing large fragments of HTML
1808
1809 sub git_difftree_body {
1810         my ($difftree, $hash, $parent) = @_;
1811
1812         print "<div class=\"list_head\">\n";
1813         if ($#{$difftree} > 10) {
1814                 print(($#{$difftree} + 1) . " files changed:\n");
1815         }
1816         print "</div>\n";
1817
1818         print "<table class=\"diff_tree\">\n";
1819         my $alternate = 1;
1820         my $patchno = 0;
1821         foreach my $line (@{$difftree}) {
1822                 my %diff = parse_difftree_raw_line($line);
1823
1824                 if ($alternate) {
1825                         print "<tr class=\"dark\">\n";
1826                 } else {
1827                         print "<tr class=\"light\">\n";
1828                 }
1829                 $alternate ^= 1;
1830
1831                 my ($to_mode_oct, $to_mode_str, $to_file_type);
1832                 my ($from_mode_oct, $from_mode_str, $from_file_type);
1833                 if ($diff{'to_mode'} ne ('0' x 6)) {
1834                         $to_mode_oct = oct $diff{'to_mode'};
1835                         if (S_ISREG($to_mode_oct)) { # only for regular file
1836                                 $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
1837                         }
1838                         $to_file_type = file_type($diff{'to_mode'});
1839                 }
1840                 if ($diff{'from_mode'} ne ('0' x 6)) {
1841                         $from_mode_oct = oct $diff{'from_mode'};
1842                         if (S_ISREG($to_mode_oct)) { # only for regular file
1843                                 $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
1844                         }
1845                         $from_file_type = file_type($diff{'from_mode'});
1846                 }
1847
1848                 if ($diff{'status'} eq "A") { # created
1849                         my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
1850                         $mode_chng   .= " with mode: $to_mode_str" if $to_mode_str;
1851                         $mode_chng   .= "]</span>";
1852                         print "<td>";
1853                         print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1854                                                      hash_base=>$hash, file_name=>$diff{'file'}),
1855                                        -class => "list"}, esc_html($diff{'file'}));
1856                         print "</td>\n";
1857                         print "<td>$mode_chng</td>\n";
1858                         print "<td class=\"link\">";
1859                         if ($action eq 'commitdiff') {
1860                                 # link to patch
1861                                 $patchno++;
1862                                 print $cgi->a({-href => "#patch$patchno"}, "patch");
1863                         }
1864                         print "</td>\n";
1865
1866                 } elsif ($diff{'status'} eq "D") { # deleted
1867                         my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
1868                         print "<td>";
1869                         print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1870                                                      hash_base=>$parent, file_name=>$diff{'file'}),
1871                                        -class => "list"}, esc_html($diff{'file'}));
1872                         print "</td>\n";
1873                         print "<td>$mode_chng</td>\n";
1874                         print "<td class=\"link\">";
1875                         if ($action eq 'commitdiff') {
1876                                 # link to patch
1877                                 $patchno++;
1878                                 print $cgi->a({-href => "#patch$patchno"}, "patch");
1879                                 print " | ";
1880                         }
1881                         print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
1882                                                      file_name=>$diff{'file'})},
1883                                       "blame") . " | ";
1884                         print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
1885                                                      file_name=>$diff{'file'})},
1886                                       "history");
1887                         print "</td>\n";
1888
1889                 } elsif ($diff{'status'} eq "M" || $diff{'status'} eq "T") { # modified, or type changed
1890                         my $mode_chnge = "";
1891                         if ($diff{'from_mode'} != $diff{'to_mode'}) {
1892                                 $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
1893                                 if ($from_file_type != $to_file_type) {
1894                                         $mode_chnge .= " from $from_file_type to $to_file_type";
1895                                 }
1896                                 if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
1897                                         if ($from_mode_str && $to_mode_str) {
1898                                                 $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
1899                                         } elsif ($to_mode_str) {
1900                                                 $mode_chnge .= " mode: $to_mode_str";
1901                                         }
1902                                 }
1903                                 $mode_chnge .= "]</span>\n";
1904                         }
1905                         print "<td>";
1906                         print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1907                                                      hash_base=>$hash, file_name=>$diff{'file'}),
1908                                        -class => "list"}, esc_html($diff{'file'}));
1909                         print "</td>\n";
1910                         print "<td>$mode_chnge</td>\n";
1911                         print "<td class=\"link\">";
1912                         if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1913                                 if ($action eq 'commitdiff') {
1914                                         # link to patch
1915                                         $patchno++;
1916                                         print $cgi->a({-href => "#patch$patchno"}, "patch");
1917                                 } else {
1918                                         print $cgi->a({-href => href(action=>"blobdiff",
1919                                                                      hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1920                                                                      hash_base=>$hash, hash_parent_base=>$parent,
1921                                                                      file_name=>$diff{'file'})},
1922                                                       "diff");
1923                                 }
1924                                 print " | ";
1925                         }
1926                         print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
1927                                                      file_name=>$diff{'file'})},
1928                                       "blame") . " | ";
1929                         print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
1930                                                      file_name=>$diff{'file'})},
1931                                       "history");
1932                         print "</td>\n";
1933
1934                 } elsif ($diff{'status'} eq "R" || $diff{'status'} eq "C") { # renamed or copied
1935                         my %status_name = ('R' => 'moved', 'C' => 'copied');
1936                         my $nstatus = $status_name{$diff{'status'}};
1937                         my $mode_chng = "";
1938                         if ($diff{'from_mode'} != $diff{'to_mode'}) {
1939                                 # mode also for directories, so we cannot use $to_mode_str
1940                                 $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
1941                         }
1942                         print "<td>" .
1943                               $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1944                                                      hash=>$diff{'to_id'}, file_name=>$diff{'to_file'}),
1945                                       -class => "list"}, esc_html($diff{'to_file'})) . "</td>\n" .
1946                               "<td><span class=\"file_status $nstatus\">[$nstatus from " .
1947                               $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
1948                                                      hash=>$diff{'from_id'}, file_name=>$diff{'from_file'}),
1949                                       -class => "list"}, esc_html($diff{'from_file'})) .
1950                               " with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
1951                               "<td class=\"link\">";
1952                         if ($diff{'to_id'} ne $diff{'from_id'}) {
1953                                 if ($action eq 'commitdiff') {
1954                                         # link to patch
1955                                         $patchno++;
1956                                         print $cgi->a({-href => "#patch$patchno"}, "patch");
1957                                 } else {
1958                                         print $cgi->a({-href => href(action=>"blobdiff",
1959                                                                      hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1960                                                                      hash_base=>$hash, hash_parent_base=>$parent,
1961                                                                      file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
1962                                                       "diff");
1963                                 }
1964                                 print " | ";
1965                         }
1966                         print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
1967                                                      file_name=>$diff{'from_file'})},
1968                                       "blame") . " | ";
1969                         print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
1970                                                      file_name=>$diff{'from_file'})},
1971                                       "history");
1972                         print "</td>\n";
1973
1974                 } # we should not encounter Unmerged (U) or Unknown (X) status
1975                 print "</tr>\n";
1976         }
1977         print "</table>\n";
1978 }
1979
1980 sub git_patchset_body {
1981         my ($fd, $difftree, $hash, $hash_parent) = @_;
1982
1983         my $patch_idx = 0;
1984         my $in_header = 0;
1985         my $patch_found = 0;
1986         my $diffinfo;
1987
1988         print "<div class=\"patchset\">\n";
1989
1990         LINE:
1991         while (my $patch_line = <$fd>) {
1992                 chomp $patch_line;
1993
1994                 if ($patch_line =~ m/^diff /) { # "git diff" header
1995                         # beginning of patch (in patchset)
1996                         if ($patch_found) {
1997                                 # close previous patch
1998                                 print "</div>\n"; # class="patch"
1999                         } else {
2000                                 # first patch in patchset
2001                                 $patch_found = 1;
2002                         }
2003                         print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n";
2004
2005                         if (ref($difftree->[$patch_idx]) eq "HASH") {
2006                                 $diffinfo = $difftree->[$patch_idx];
2007                         } else {
2008                                 $diffinfo = parse_difftree_raw_line($difftree->[$patch_idx]);
2009                         }
2010                         $patch_idx++;
2011
2012                         # for now, no extended header, hence we skip empty patches
2013                         # companion to  next LINE if $in_header;
2014                         if ($diffinfo->{'from_id'} eq $diffinfo->{'to_id'}) { # no change
2015                                 $in_header = 1;
2016                                 next LINE;
2017                         }
2018
2019                         if ($diffinfo->{'status'} eq "A") { # added
2020                                 print "<div class=\"diff_info\">" . file_type($diffinfo->{'to_mode'}) . ":" .
2021                                       $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2022                                                              hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
2023                                               $diffinfo->{'to_id'}) . " (new)" .
2024                                       "</div>\n"; # class="diff_info"
2025
2026                         } elsif ($diffinfo->{'status'} eq "D") { # deleted
2027                                 print "<div class=\"diff_info\">" . file_type($diffinfo->{'from_mode'}) . ":" .
2028                                       $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2029                                                              hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
2030                                               $diffinfo->{'from_id'}) . " (deleted)" .
2031                                       "</div>\n"; # class="diff_info"
2032
2033                         } elsif ($diffinfo->{'status'} eq "R" || # renamed
2034                                  $diffinfo->{'status'} eq "C" || # copied
2035                                  $diffinfo->{'status'} eq "2") { # with two filenames (from git_blobdiff)
2036                                 print "<div class=\"diff_info\">" .
2037                                       file_type($diffinfo->{'from_mode'}) . ":" .
2038                                       $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2039                                                              hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'from_file'})},
2040                                               $diffinfo->{'from_id'}) .
2041                                       " -> " .
2042                                       file_type($diffinfo->{'to_mode'}) . ":" .
2043                                       $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2044                                                              hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'to_file'})},
2045                                               $diffinfo->{'to_id'});
2046                                 print "</div>\n"; # class="diff_info"
2047
2048                         } else { # modified, mode changed, ...
2049                                 print "<div class=\"diff_info\">" .
2050                                       file_type($diffinfo->{'from_mode'}) . ":" .
2051                                       $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2052                                                              hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
2053                                               $diffinfo->{'from_id'}) .
2054                                       " -> " .
2055                                       file_type($diffinfo->{'to_mode'}) . ":" .
2056                                       $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2057                                                              hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
2058                                               $diffinfo->{'to_id'});
2059                                 print "</div>\n"; # class="diff_info"
2060                         }
2061
2062                         #print "<div class=\"diff extended_header\">\n";
2063                         $in_header = 1;
2064                         next LINE;
2065                 } # start of patch in patchset
2066
2067
2068                 if ($in_header && $patch_line =~ m/^---/) {
2069                         #print "</div>\n"; # class="diff extended_header"
2070                         $in_header = 0;
2071
2072                         my $file = $diffinfo->{'from_file'};
2073                         $file  ||= $diffinfo->{'file'};
2074                         $file = $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2075                                                        hash=>$diffinfo->{'from_id'}, file_name=>$file),
2076                                         -class => "list"}, esc_html($file));
2077                         $patch_line =~ s|a/.*$|a/$file|g;
2078                         print "<div class=\"diff from_file\">$patch_line</div>\n";
2079
2080                         $patch_line = <$fd>;
2081                         chomp $patch_line;
2082
2083                         #$patch_line =~ m/^+++/;
2084                         $file    = $diffinfo->{'to_file'};
2085                         $file  ||= $diffinfo->{'file'};
2086                         $file = $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2087                                                        hash=>$diffinfo->{'to_id'}, file_name=>$file),
2088                                         -class => "list"}, esc_html($file));
2089                         $patch_line =~ s|b/.*|b/$file|g;
2090                         print "<div class=\"diff to_file\">$patch_line</div>\n";
2091
2092                         next LINE;
2093                 }
2094                 next LINE if $in_header;
2095
2096                 print format_diff_line($patch_line);
2097         }
2098         print "</div>\n" if $patch_found; # class="patch"
2099
2100         print "</div>\n"; # class="patchset"
2101 }
2102
2103 # . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2104
2105 sub git_shortlog_body {
2106         # uses global variable $project
2107         my ($revlist, $from, $to, $refs, $extra) = @_;
2108
2109         $from = 0 unless defined $from;
2110         $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
2111
2112         print "<table class=\"shortlog\" cellspacing=\"0\">\n";
2113         my $alternate = 1;
2114         for (my $i = $from; $i <= $to; $i++) {
2115                 my $commit = $revlist->[$i];
2116                 #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
2117                 my $ref = format_ref_marker($refs, $commit);
2118                 my %co = parse_commit($commit);
2119                 if ($alternate) {
2120                         print "<tr class=\"dark\">\n";
2121                 } else {
2122                         print "<tr class=\"light\">\n";
2123                 }
2124                 $alternate ^= 1;
2125                 # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
2126                 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2127                       "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2128                       "<td>";
2129                 print format_subject_html($co{'title'}, $co{'title_short'},
2130                                           href(action=>"commit", hash=>$commit), $ref);
2131                 print "</td>\n" .
2132                       "<td class=\"link\">" .
2133                       $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
2134                       $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree");
2135                 if (gitweb_have_snapshot()) {
2136                         print " | " . $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
2137                 }
2138                 print "</td>\n" .
2139                       "</tr>\n";
2140         }
2141         if (defined $extra) {
2142                 print "<tr>\n" .
2143                       "<td colspan=\"4\">$extra</td>\n" .
2144                       "</tr>\n";
2145         }
2146         print "</table>\n";
2147 }
2148
2149 sub git_history_body {
2150         # Warning: assumes constant type (blob or tree) during history
2151         my ($revlist, $from, $to, $refs, $hash_base, $ftype, $extra) = @_;
2152
2153         $from = 0 unless defined $from;
2154         $to = $#{$revlist} unless (defined $to && $to <= $#{$revlist});
2155
2156         print "<table class=\"history\" cellspacing=\"0\">\n";
2157         my $alternate = 1;
2158         for (my $i = $from; $i <= $to; $i++) {
2159                 if ($revlist->[$i] !~ m/^([0-9a-fA-F]{40})/) {
2160                         next;
2161                 }
2162
2163                 my $commit = $1;
2164                 my %co = parse_commit($commit);
2165                 if (!%co) {
2166                         next;
2167                 }
2168
2169                 my $ref = format_ref_marker($refs, $commit);
2170
2171                 if ($alternate) {
2172                         print "<tr class=\"dark\">\n";
2173                 } else {
2174                         print "<tr class=\"light\">\n";
2175                 }
2176                 $alternate ^= 1;
2177                 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2178                       # shortlog uses      chop_str($co{'author_name'}, 10)
2179                       "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2180                       "<td>";
2181                 # originally git_history used chop_str($co{'title'}, 50)
2182                 print format_subject_html($co{'title'}, $co{'title_short'},
2183                                           href(action=>"commit", hash=>$commit), $ref);
2184                 print "</td>\n" .
2185                       "<td class=\"link\">" .
2186                       $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype) . " | " .
2187                       $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
2188
2189                 if ($ftype eq 'blob') {
2190                         my $blob_current = git_get_hash_by_path($hash_base, $file_name);
2191                         my $blob_parent  = git_get_hash_by_path($commit, $file_name);
2192                         if (defined $blob_current && defined $blob_parent &&
2193                                         $blob_current ne $blob_parent) {
2194                                 print " | " .
2195                                         $cgi->a({-href => href(action=>"blobdiff",
2196                                                                hash=>$blob_current, hash_parent=>$blob_parent,
2197                                                                hash_base=>$hash_base, hash_parent_base=>$commit,
2198                                                                file_name=>$file_name)},
2199                                                 "diff to current");
2200                         }
2201                 }
2202                 print "</td>\n" .
2203                       "</tr>\n";
2204         }
2205         if (defined $extra) {
2206                 print "<tr>\n" .
2207                       "<td colspan=\"4\">$extra</td>\n" .
2208                       "</tr>\n";
2209         }
2210         print "</table>\n";
2211 }
2212
2213 sub git_tags_body {
2214         # uses global variable $project
2215         my ($taglist, $from, $to, $extra) = @_;
2216         $from = 0 unless defined $from;
2217         $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
2218
2219         print "<table class=\"tags\" cellspacing=\"0\">\n";
2220         my $alternate = 1;
2221         for (my $i = $from; $i <= $to; $i++) {
2222                 my $entry = $taglist->[$i];
2223                 my %tag = %$entry;
2224                 my $comment_lines = $tag{'comment'};
2225                 my $comment = shift @$comment_lines;
2226                 my $comment_short;
2227                 if (defined $comment) {
2228                         $comment_short = chop_str($comment, 30, 5);
2229                 }
2230                 if ($alternate) {
2231                         print "<tr class=\"dark\">\n";
2232                 } else {
2233                         print "<tr class=\"light\">\n";
2234                 }
2235                 $alternate ^= 1;
2236                 print "<td><i>$tag{'age'}</i></td>\n" .
2237                       "<td>" .
2238                       $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
2239                                -class => "list name"}, esc_html($tag{'name'})) .
2240                       "</td>\n" .
2241                       "<td>";
2242                 if (defined $comment) {
2243                         print format_subject_html($comment, $comment_short,
2244                                                   href(action=>"tag", hash=>$tag{'id'}));
2245                 }
2246                 print "</td>\n" .
2247                       "<td class=\"selflink\">";
2248                 if ($tag{'type'} eq "tag") {
2249                         print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
2250                 } else {
2251                         print "&nbsp;";
2252                 }
2253                 print "</td>\n" .
2254                       "<td class=\"link\">" . " | " .
2255                       $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
2256                 if ($tag{'reftype'} eq "commit") {
2257                         print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") .
2258                               " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'refid'})}, "log");
2259                 } elsif ($tag{'reftype'} eq "blob") {
2260                         print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
2261                 }
2262                 print "</td>\n" .
2263                       "</tr>";
2264         }
2265         if (defined $extra) {
2266                 print "<tr>\n" .
2267                       "<td colspan=\"5\">$extra</td>\n" .
2268                       "</tr>\n";
2269         }
2270         print "</table>\n";
2271 }
2272
2273 sub git_heads_body {
2274         # uses global variable $project
2275         my ($headlist, $head, $from, $to, $extra) = @_;
2276         $from = 0 unless defined $from;
2277         $to = $#{$headlist} if (!defined $to || $#{$headlist} < $to);
2278
2279         print "<table class=\"heads\" cellspacing=\"0\">\n";
2280         my $alternate = 1;
2281         for (my $i = $from; $i <= $to; $i++) {
2282                 my $entry = $headlist->[$i];
2283                 my %tag = %$entry;
2284                 my $curr = $tag{'id'} eq $head;
2285                 if ($alternate) {
2286                         print "<tr class=\"dark\">\n";
2287                 } else {
2288                         print "<tr class=\"light\">\n";
2289                 }
2290                 $alternate ^= 1;
2291                 print "<td><i>$tag{'age'}</i></td>\n" .
2292                       ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
2293                       $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'}),
2294                                -class => "list name"},esc_html($tag{'name'})) .
2295                       "</td>\n" .
2296                       "<td class=\"link\">" .
2297                       $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") . " | " .
2298                       $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log") . " | " .
2299                       $cgi->a({-href => href(action=>"tree", hash=>$tag{'name'}, hash_base=>$tag{'name'})}, "tree") .
2300                       "</td>\n" .
2301                       "</tr>";
2302         }
2303         if (defined $extra) {
2304                 print "<tr>\n" .
2305                       "<td colspan=\"3\">$extra</td>\n" .
2306                       "</tr>\n";
2307         }
2308         print "</table>\n";
2309 }
2310
2311 ## ======================================================================
2312 ## ======================================================================
2313 ## actions
2314
2315 sub git_project_list {
2316         my $order = $cgi->param('o');
2317         if (defined $order && $order !~ m/project|descr|owner|age/) {
2318                 die_error(undef, "Unknown order parameter");
2319         }
2320
2321         my @list = git_get_projects_list();
2322         my @projects;
2323         if (!@list) {
2324                 die_error(undef, "No projects found");
2325         }
2326         foreach my $pr (@list) {
2327                 my $head = git_get_head_hash($pr->{'path'});
2328                 if (!defined $head) {
2329                         next;
2330                 }
2331                 $git_dir = "$projectroot/$pr->{'path'}";
2332                 my %co = parse_commit($head);
2333                 if (!%co) {
2334                         next;
2335                 }
2336                 $pr->{'commit'} = \%co;
2337                 if (!defined $pr->{'descr'}) {
2338                         my $descr = git_get_project_description($pr->{'path'}) || "";
2339                         $pr->{'descr'} = chop_str($descr, 25, 5);
2340                 }
2341                 if (!defined $pr->{'owner'}) {
2342                         $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
2343                 }
2344                 push @projects, $pr;
2345         }
2346
2347         git_header_html();
2348         if (-f $home_text) {
2349                 print "<div class=\"index_include\">\n";
2350                 open (my $fd, $home_text);
2351                 print <$fd>;
2352                 close $fd;
2353                 print "</div>\n";
2354         }
2355         print "<table class=\"project_list\">\n" .
2356               "<tr>\n";
2357         $order ||= "project";
2358         if ($order eq "project") {
2359                 @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
2360                 print "<th>Project</th>\n";
2361         } else {
2362                 print "<th>" .
2363                       $cgi->a({-href => href(project=>undef, order=>'project'),
2364                                -class => "header"}, "Project") .
2365                       "</th>\n";
2366         }
2367         if ($order eq "descr") {
2368                 @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
2369                 print "<th>Description</th>\n";
2370         } else {
2371                 print "<th>" .
2372                       $cgi->a({-href => href(project=>undef, order=>'descr'),
2373                                -class => "header"}, "Description") .
2374                       "</th>\n";
2375         }
2376         if ($order eq "owner") {
2377                 @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
2378                 print "<th>Owner</th>\n";
2379         } else {
2380                 print "<th>" .
2381                       $cgi->a({-href => href(project=>undef, order=>'owner'),
2382                                -class => "header"}, "Owner") .
2383                       "</th>\n";
2384         }
2385         if ($order eq "age") {
2386                 @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
2387                 print "<th>Last Change</th>\n";
2388         } else {
2389                 print "<th>" .
2390                       $cgi->a({-href => href(project=>undef, order=>'age'),
2391                                -class => "header"}, "Last Change") .
2392                       "</th>\n";
2393         }
2394         print "<th></th>\n" .
2395               "</tr>\n";
2396         my $alternate = 1;
2397         foreach my $pr (@projects) {
2398                 if ($alternate) {
2399                         print "<tr class=\"dark\">\n";
2400                 } else {
2401                         print "<tr class=\"light\">\n";
2402                 }
2403                 $alternate ^= 1;
2404                 print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
2405                                         -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
2406                       "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
2407                       "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
2408                 print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" .
2409                       $pr->{'commit'}{'age_string'} . "</td>\n" .
2410                       "<td class=\"link\">" .
2411                       $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
2412                       $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
2413                       $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " .
2414                       $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") .
2415                       "</td>\n" .
2416                       "</tr>\n";
2417         }
2418         print "</table>\n";
2419         git_footer_html();
2420 }
2421
2422 sub git_project_index {
2423         my @projects = git_get_projects_list();
2424
2425         print $cgi->header(
2426                 -type => 'text/plain',
2427                 -charset => 'utf-8',
2428                 -content_disposition => 'inline; filename="index.aux"');
2429
2430         foreach my $pr (@projects) {
2431                 if (!exists $pr->{'owner'}) {
2432                         $pr->{'owner'} = get_file_owner("$projectroot/$project");
2433                 }
2434
2435                 my ($path, $owner) = ($pr->{'path'}, $pr->{'owner'});
2436                 # quote as in CGI::Util::encode, but keep the slash, and use '+' for ' '
2437                 $path  =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
2438                 $owner =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
2439                 $path  =~ s/ /\+/g;
2440                 $owner =~ s/ /\+/g;
2441
2442                 print "$path $owner\n";
2443         }
2444 }
2445
2446 sub git_summary {
2447         my $descr = git_get_project_description($project) || "none";
2448         my $head = git_get_head_hash($project);
2449         my %co = parse_commit($head);
2450         my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2451
2452         my $owner = git_get_project_owner($project);
2453
2454         my ($reflist, $refs) = git_get_refs_list();
2455
2456         my @taglist;
2457         my @headlist;
2458         foreach my $ref (@$reflist) {
2459                 if ($ref->{'name'} =~ s!^heads/!!) {
2460                         push @headlist, $ref;
2461                 } else {
2462                         $ref->{'name'} =~ s!^tags/!!;
2463                         push @taglist, $ref;
2464                 }
2465         }
2466
2467         git_header_html();
2468         git_print_page_nav('summary','', $head);
2469
2470         print "<div class=\"title\">&nbsp;</div>\n";
2471         print "<table cellspacing=\"0\">\n" .
2472               "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
2473               "<tr><td>owner</td><td>$owner</td></tr>\n" .
2474               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n";
2475         # use per project git URL list in $projectroot/$project/cloneurl
2476         # or make project git URL from git base URL and project name
2477         my $url_tag = "URL";
2478         my @url_list = git_get_project_url_list($project);
2479         @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
2480         foreach my $git_url (@url_list) {
2481                 next unless $git_url;
2482                 print "<tr><td>$url_tag</td><td>$git_url</td></tr>\n";
2483                 $url_tag = "";
2484         }
2485         print "</table>\n";
2486
2487         open my $fd, "-|", git_cmd(), "rev-list", "--max-count=17",
2488                 git_get_head_hash($project)
2489                 or die_error(undef, "Open git-rev-list failed");
2490         my @revlist = map { chomp; $_ } <$fd>;
2491         close $fd;
2492         git_print_header_div('shortlog');
2493         git_shortlog_body(\@revlist, 0, 15, $refs,
2494                           $cgi->a({-href => href(action=>"shortlog")}, "..."));
2495
2496         if (@taglist) {
2497                 git_print_header_div('tags');
2498                 git_tags_body(\@taglist, 0, 15,
2499                               $cgi->a({-href => href(action=>"tags")}, "..."));
2500         }
2501
2502         if (@headlist) {
2503                 git_print_header_div('heads');
2504                 git_heads_body(\@headlist, $head, 0, 15,
2505                                $cgi->a({-href => href(action=>"heads")}, "..."));
2506         }
2507
2508         git_footer_html();
2509 }
2510
2511 sub git_tag {
2512         my $head = git_get_head_hash($project);
2513         git_header_html();
2514         git_print_page_nav('','', $head,undef,$head);
2515         my %tag = parse_tag($hash);
2516         git_print_header_div('commit', esc_html($tag{'name'}), $hash);
2517         print "<div class=\"title_text\">\n" .
2518               "<table cellspacing=\"0\">\n" .
2519               "<tr>\n" .
2520               "<td>object</td>\n" .
2521               "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2522                                $tag{'object'}) . "</td>\n" .
2523               "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2524                                               $tag{'type'}) . "</td>\n" .
2525               "</tr>\n";
2526         if (defined($tag{'author'})) {
2527                 my %ad = parse_date($tag{'epoch'}, $tag{'tz'});
2528                 print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
2529                 print "<tr><td></td><td>" . $ad{'rfc2822'} .
2530                         sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) .
2531                         "</td></tr>\n";
2532         }
2533         print "</table>\n\n" .
2534               "</div>\n";
2535         print "<div class=\"page_body\">";
2536         my $comment = $tag{'comment'};
2537         foreach my $line (@$comment) {
2538                 print esc_html($line) . "<br/>\n";
2539         }
2540         print "</div>\n";
2541         git_footer_html();
2542 }
2543
2544 sub git_blame2 {
2545         my $fd;
2546         my $ftype;
2547
2548         my ($have_blame) = gitweb_check_feature('blame');
2549         if (!$have_blame) {
2550                 die_error('403 Permission denied', "Permission denied");
2551         }
2552         die_error('404 Not Found', "File name not defined") if (!$file_name);
2553         $hash_base ||= git_get_head_hash($project);
2554         die_error(undef, "Couldn't find base commit") unless ($hash_base);
2555         my %co = parse_commit($hash_base)
2556                 or die_error(undef, "Reading commit failed");
2557         if (!defined $hash) {
2558                 $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2559                         or die_error(undef, "Error looking up file");
2560         }
2561         $ftype = git_get_type($hash);
2562         if ($ftype !~ "blob") {
2563                 die_error("400 Bad Request", "Object is not a blob");
2564         }
2565         open ($fd, "-|", git_cmd(), "blame", '--porcelain', '--',
2566               $file_name, $hash_base)
2567                 or die_error(undef, "Open git-blame failed");
2568         git_header_html();
2569         my $formats_nav =
2570                 $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2571                         "blob") .
2572                 " | " .
2573                 $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2574                         "history") .
2575                 " | " .
2576                 $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2577                         "HEAD");
2578         git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2579         git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2580         git_print_page_path($file_name, $ftype, $hash_base);
2581         my @rev_color = (qw(light2 dark2));
2582         my $num_colors = scalar(@rev_color);
2583         my $current_color = 0;
2584         my $last_rev;
2585         print <<HTML;
2586 <div class="page_body">
2587 <table class="blame">
2588 <tr><th>Commit</th><th>Line</th><th>Data</th></tr>
2589 HTML
2590         my %metainfo = ();
2591         while (1) {
2592                 $_ = <$fd>;
2593                 last unless defined $_;
2594                 my ($full_rev, $lineno, $orig_lineno, $group_size) =
2595                     /^([0-9a-f]{40}) (\d+) (\d+)(?: (\d+))?$/;
2596                 if (!exists $metainfo{$full_rev}) {
2597                         $metainfo{$full_rev} = {};
2598                 }
2599                 my $meta = $metainfo{$full_rev};
2600                 while (<$fd>) {
2601                         last if (s/^\t//);
2602                         if (/^(\S+) (.*)$/) {
2603                                 $meta->{$1} = $2;
2604                         }
2605                 }
2606                 my $data = $_;
2607                 my $rev = substr($full_rev, 0, 8);
2608                 my $author = $meta->{'author'};
2609                 my %date = parse_date($meta->{'author-time'},
2610                                       $meta->{'author-tz'});
2611                 my $date = $date{'iso-tz'};
2612                 if ($group_size) {
2613                         $current_color = ++$current_color % $num_colors;
2614                 }
2615                 print "<tr class=\"$rev_color[$current_color]\">\n";
2616                 if ($group_size) {
2617                         print "<td class=\"sha1\"";
2618                         print " title=\"$author, $date\"";
2619                         print " rowspan=\"$group_size\"" if ($group_size > 1);
2620                         print ">";
2621                         print $cgi->a({-href => href(action=>"commit",
2622                                                      hash=>$full_rev,
2623                                                      file_name=>$file_name)},
2624                                       esc_html($rev));
2625                         print "</td>\n";
2626                 }
2627                 my $blamed = href(action => 'blame',
2628                                   file_name => $meta->{'filename'},
2629                                   hash_base => $full_rev);
2630                 print "<td class=\"linenr\">";
2631                 print $cgi->a({ -href => "$blamed#l$orig_lineno",
2632                                 -id => "l$lineno",
2633                                 -class => "linenr" },
2634                               esc_html($lineno));
2635                 print "</td>";
2636                 print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
2637                 print "</tr>\n";
2638         }
2639         print "</table>\n";
2640         print "</div>";
2641         close $fd
2642                 or print "Reading blob failed\n";
2643         git_footer_html();
2644 }
2645
2646 sub git_blame {
2647         my $fd;
2648
2649         my ($have_blame) = gitweb_check_feature('blame');
2650         if (!$have_blame) {
2651                 die_error('403 Permission denied', "Permission denied");
2652         }
2653         die_error('404 Not Found', "File name not defined") if (!$file_name);
2654         $hash_base ||= git_get_head_hash($project);
2655         die_error(undef, "Couldn't find base commit") unless ($hash_base);
2656         my %co = parse_commit($hash_base)
2657                 or die_error(undef, "Reading commit failed");
2658         if (!defined $hash) {
2659                 $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2660                         or die_error(undef, "Error lookup file");
2661         }
2662         open ($fd, "-|", git_cmd(), "annotate", '-l', '-t', '-r', $file_name, $hash_base)
2663                 or die_error(undef, "Open git-annotate failed");
2664         git_header_html();
2665         my $formats_nav =
2666                 $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2667                         "blob") .
2668                 " | " .
2669                 $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2670                         "history") .
2671                 " | " .
2672                 $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2673                         "HEAD");
2674         git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2675         git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2676         git_print_page_path($file_name, 'blob', $hash_base);
2677         print "<div class=\"page_body\">\n";
2678         print <<HTML;
2679 <table class="blame">
2680   <tr>
2681     <th>Commit</th>
2682     <th>Age</th>
2683     <th>Author</th>
2684     <th>Line</th>
2685     <th>Data</th>
2686   </tr>
2687 HTML
2688         my @line_class = (qw(light dark));
2689         my $line_class_len = scalar (@line_class);
2690         my $line_class_num = $#line_class;
2691         while (my $line = <$fd>) {
2692                 my $long_rev;
2693                 my $short_rev;
2694                 my $author;
2695                 my $time;
2696                 my $lineno;
2697                 my $data;
2698                 my $age;
2699                 my $age_str;
2700                 my $age_class;
2701
2702                 chomp $line;
2703                 $line_class_num = ($line_class_num + 1) % $line_class_len;
2704
2705                 if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) [+-]\d\d\d\d\t(\d+)\)(.*)$/) {
2706                         $long_rev = $1;
2707                         $author   = $2;
2708                         $time     = $3;
2709                         $lineno   = $4;
2710                         $data     = $5;
2711                 } else {
2712                         print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
2713                         next;
2714                 }
2715                 $short_rev  = substr ($long_rev, 0, 8);
2716                 $age        = time () - $time;
2717                 $age_str    = age_string ($age);
2718                 $age_str    =~ s/ /&nbsp;/g;
2719                 $age_class  = age_class($age);
2720                 $author     = esc_html ($author);
2721                 $author     =~ s/ /&nbsp;/g;
2722
2723                 $data = untabify($data);
2724                 $data = esc_html ($data);
2725
2726                 print <<HTML;
2727   <tr class="$line_class[$line_class_num]">
2728     <td class="sha1"><a href="${\href (action=>"commit", hash=>$long_rev)}" class="text">$short_rev..</a></td>
2729     <td class="$age_class">$age_str</td>
2730     <td>$author</td>
2731     <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
2732     <td class="pre">$data</td>
2733   </tr>
2734 HTML
2735         } # while (my $line = <$fd>)
2736         print "</table>\n\n";
2737         close $fd
2738                 or print "Reading blob failed.\n";
2739         print "</div>";
2740         git_footer_html();
2741 }
2742
2743 sub git_tags {
2744         my $head = git_get_head_hash($project);
2745         git_header_html();
2746         git_print_page_nav('','', $head,undef,$head);
2747         git_print_header_div('summary', $project);
2748
2749         my ($taglist) = git_get_refs_list("tags");
2750         if (@$taglist) {
2751                 git_tags_body($taglist);
2752         }
2753         git_footer_html();
2754 }
2755
2756 sub git_heads {
2757         my $head = git_get_head_hash($project);
2758         git_header_html();
2759         git_print_page_nav('','', $head,undef,$head);
2760         git_print_header_div('summary', $project);
2761
2762         my ($headlist) = git_get_refs_list("heads");
2763         if (@$headlist) {
2764                 git_heads_body($headlist, $head);
2765         }
2766         git_footer_html();
2767 }
2768
2769 sub git_blob_plain {
2770         my $expires;
2771
2772         if (!defined $hash) {
2773                 if (defined $file_name) {
2774                         my $base = $hash_base || git_get_head_hash($project);
2775                         $hash = git_get_hash_by_path($base, $file_name, "blob")
2776                                 or die_error(undef, "Error lookup file");
2777                 } else {
2778                         die_error(undef, "No file name defined");
2779                 }
2780         } elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2781                 # blobs defined by non-textual hash id's can be cached
2782                 $expires = "+1d";
2783         }
2784
2785         my $type = shift;
2786         open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
2787                 or die_error(undef, "Couldn't cat $file_name, $hash");
2788
2789         $type ||= blob_mimetype($fd, $file_name);
2790
2791         # save as filename, even when no $file_name is given
2792         my $save_as = "$hash";
2793         if (defined $file_name) {
2794                 $save_as = $file_name;
2795         } elsif ($type =~ m/^text\//) {
2796                 $save_as .= '.txt';
2797         }
2798
2799         print $cgi->header(
2800                 -type => "$type",
2801                 -expires=>$expires,
2802                 -content_disposition => 'inline; filename="' . "$save_as" . '"');
2803         undef $/;
2804         binmode STDOUT, ':raw';
2805         print <$fd>;
2806         binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2807         $/ = "\n";
2808         close $fd;
2809 }
2810
2811 sub git_blob {
2812         my $expires;
2813
2814         if (!defined $hash) {
2815                 if (defined $file_name) {
2816                         my $base = $hash_base || git_get_head_hash($project);
2817                         $hash = git_get_hash_by_path($base, $file_name, "blob")
2818                                 or die_error(undef, "Error lookup file");
2819                 } else {
2820                         die_error(undef, "No file name defined");
2821                 }
2822         } elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2823                 # blobs defined by non-textual hash id's can be cached
2824                 $expires = "+1d";
2825         }
2826
2827         my ($have_blame) = gitweb_check_feature('blame');
2828         open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
2829                 or die_error(undef, "Couldn't cat $file_name, $hash");
2830         my $mimetype = blob_mimetype($fd, $file_name);
2831         if ($mimetype !~ m/^text\//) {
2832                 close $fd;
2833                 return git_blob_plain($mimetype);
2834         }
2835         git_header_html(undef, $expires);
2836         my $formats_nav = '';
2837         if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2838                 if (defined $file_name) {
2839                         if ($have_blame) {
2840                                 $formats_nav .=
2841                                         $cgi->a({-href => href(action=>"blame", hash_base=>$hash_base,
2842                                                                hash=>$hash, file_name=>$file_name)},
2843                                                 "blame") .
2844                                         " | ";
2845                         }
2846                         $formats_nav .=
2847                                 $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2848                                                        hash=>$hash, file_name=>$file_name)},
2849                                         "history") .
2850                                 " | " .
2851                                 $cgi->a({-href => href(action=>"blob_plain",
2852                                                        hash=>$hash, file_name=>$file_name)},
2853                                         "raw") .
2854                                 " | " .
2855                                 $cgi->a({-href => href(action=>"blob",
2856                                                        hash_base=>"HEAD", file_name=>$file_name)},
2857                                         "HEAD");
2858                 } else {
2859                         $formats_nav .=
2860                                 $cgi->a({-href => href(action=>"blob_plain", hash=>$hash)}, "raw");
2861                 }
2862                 git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2863                 git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2864         } else {
2865                 print "<div class=\"page_nav\">\n" .
2866                       "<br/><br/></div>\n" .
2867                       "<div class=\"title\">$hash</div>\n";
2868         }
2869         git_print_page_path($file_name, "blob", $hash_base);
2870         print "<div class=\"page_body\">\n";
2871         my $nr;
2872         while (my $line = <$fd>) {
2873                 chomp $line;
2874                 $nr++;
2875                 $line = untabify($line);
2876                 printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
2877                        $nr, $nr, $nr, esc_html($line);
2878         }
2879         close $fd
2880                 or print "Reading blob failed.\n";
2881         print "</div>";
2882         git_footer_html();
2883 }
2884
2885 sub git_tree {
2886         my $have_snapshot = gitweb_have_snapshot();
2887
2888         if (!defined $hash_base) {
2889                 $hash_base = "HEAD";
2890         }
2891         if (!defined $hash) {
2892                 if (defined $file_name) {
2893                         $hash = git_get_hash_by_path($hash_base, $file_name, "tree");
2894                 } else {
2895                         $hash = $hash_base;
2896                 }
2897         }
2898         $/ = "\0";
2899         open my $fd, "-|", git_cmd(), "ls-tree", '-z', $hash
2900                 or die_error(undef, "Open git-ls-tree failed");
2901         my @entries = map { chomp; $_ } <$fd>;
2902         close $fd or die_error(undef, "Reading tree failed");
2903         $/ = "\n";
2904
2905         my $refs = git_get_references();
2906         my $ref = format_ref_marker($refs, $hash_base);
2907         git_header_html();
2908         my $base = "";
2909         my ($have_blame) = gitweb_check_feature('blame');
2910         if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2911                 my @views_nav = ();
2912                 if (defined $file_name) {
2913                         push @views_nav,
2914                                 $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2915                                                        hash=>$hash, file_name=>$file_name)},
2916                                         "history"),
2917                                 $cgi->a({-href => href(action=>"tree",
2918                                                        hash_base=>"HEAD", file_name=>$file_name)},
2919                                         "HEAD"),
2920                 }
2921                 if ($have_snapshot) {
2922                         # FIXME: Should be available when we have no hash base as well.
2923                         push @views_nav,
2924                                 $cgi->a({-href => href(action=>"snapshot", hash=>$hash)},
2925                                         "snapshot");
2926                 }
2927                 git_print_page_nav('tree','', $hash_base, undef, undef, join(' | ', @views_nav));
2928                 git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
2929         } else {
2930                 undef $hash_base;
2931                 print "<div class=\"page_nav\">\n";
2932                 print "<br/><br/></div>\n";
2933                 print "<div class=\"title\">$hash</div>\n";
2934         }
2935         if (defined $file_name) {
2936                 $base = esc_html("$file_name/");
2937         }
2938         git_print_page_path($file_name, 'tree', $hash_base);
2939         print "<div class=\"page_body\">\n";
2940         print "<table cellspacing=\"0\">\n";
2941         my $alternate = 1;
2942         foreach my $line (@entries) {
2943                 my %t = parse_ls_tree_line($line, -z => 1);
2944
2945                 if ($alternate) {
2946                         print "<tr class=\"dark\">\n";
2947                 } else {
2948                         print "<tr class=\"light\">\n";
2949                 }
2950                 $alternate ^= 1;
2951
2952                 git_print_tree_entry(\%t, $base, $hash_base, $have_blame);
2953
2954                 print "</tr>\n";
2955         }
2956         print "</table>\n" .
2957               "</div>";
2958         git_footer_html();
2959 }
2960
2961 sub git_snapshot {
2962         my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2963         my $have_snapshot = (defined $ctype && defined $suffix);
2964         if (!$have_snapshot) {
2965                 die_error('403 Permission denied', "Permission denied");
2966         }
2967
2968         if (!defined $hash) {
2969                 $hash = git_get_head_hash($project);
2970         }
2971
2972         my $filename = basename($project) . "-$hash.tar.$suffix";
2973
2974         print $cgi->header(
2975                 -type => 'application/x-tar',
2976                 -content_encoding => $ctype,
2977                 -content_disposition => 'inline; filename="' . "$filename" . '"',
2978                 -status => '200 OK');
2979
2980         my $git = git_cmd_str();
2981         my $name = $project;
2982         $name =~ s/\047/\047\\\047\047/g;
2983         open my $fd, "-|",
2984         "$git archive --format=tar --prefix=\'$name\'/ $hash | $command"
2985                 or die_error(undef, "Execute git-tar-tree failed.");
2986         binmode STDOUT, ':raw';
2987         print <$fd>;
2988         binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2989         close $fd;
2990
2991 }
2992
2993 sub git_log {
2994         my $head = git_get_head_hash($project);
2995         if (!defined $hash) {
2996                 $hash = $head;
2997         }
2998         if (!defined $page) {
2999                 $page = 0;
3000         }
3001         my $refs = git_get_references();
3002
3003         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3004         open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash
3005                 or die_error(undef, "Open git-rev-list failed");
3006         my @revlist = map { chomp; $_ } <$fd>;
3007         close $fd;
3008
3009         my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#revlist);
3010
3011         git_header_html();
3012         git_print_page_nav('log','', $hash,undef,undef, $paging_nav);
3013
3014         if (!@revlist) {
3015                 my %co = parse_commit($hash);
3016
3017                 git_print_header_div('summary', $project);
3018                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
3019         }
3020         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
3021                 my $commit = $revlist[$i];
3022                 my $ref = format_ref_marker($refs, $commit);
3023                 my %co = parse_commit($commit);
3024                 next if !%co;
3025                 my %ad = parse_date($co{'author_epoch'});
3026                 git_print_header_div('commit',
3027                                "<span class=\"age\">$co{'age_string'}</span>" .
3028                                esc_html($co{'title'}) . $ref,
3029                                $commit);
3030                 print "<div class=\"title_text\">\n" .
3031                       "<div class=\"log_link\">\n" .
3032                       $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
3033                       " | " .
3034                       $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
3035                       " | " .
3036                       $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") .
3037                       "<br/>\n" .
3038                       "</div>\n" .
3039                       "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
3040                       "</div>\n";
3041
3042                 print "<div class=\"log_body\">\n";
3043                 git_print_simplified_log($co{'comment'});
3044                 print "</div>\n";
3045         }
3046         git_footer_html();
3047 }
3048
3049 sub git_commit {
3050         my %co = parse_commit($hash);
3051         if (!%co) {
3052                 die_error(undef, "Unknown commit object");
3053         }
3054         my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
3055         my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
3056
3057         my $parent = $co{'parent'};
3058         if (!defined $parent) {
3059                 $parent = "--root";
3060         }
3061         open my $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $parent, $hash
3062                 or die_error(undef, "Open git-diff-tree failed");
3063         my @difftree = map { chomp; $_ } <$fd>;
3064         close $fd or die_error(undef, "Reading git-diff-tree failed");
3065
3066         # non-textual hash id's can be cached
3067         my $expires;
3068         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
3069                 $expires = "+1d";
3070         }
3071         my $refs = git_get_references();
3072         my $ref = format_ref_marker($refs, $co{'id'});
3073
3074         my $have_snapshot = gitweb_have_snapshot();
3075
3076         my @views_nav = ();
3077         if (defined $file_name && defined $co{'parent'}) {
3078                 push @views_nav,
3079                         $cgi->a({-href => href(action=>"blame", hash_parent=>$parent, file_name=>$file_name)},
3080                                 "blame");
3081         }
3082         git_header_html(undef, $expires);
3083         git_print_page_nav('commit', '',
3084                            $hash, $co{'tree'}, $hash,
3085                            join (' | ', @views_nav));
3086
3087         if (defined $co{'parent'}) {
3088                 git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
3089         } else {
3090                 git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
3091         }
3092         print "<div class=\"title_text\">\n" .
3093               "<table cellspacing=\"0\">\n";
3094         print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
3095               "<tr>" .
3096               "<td></td><td> $ad{'rfc2822'}";
3097         if ($ad{'hour_local'} < 6) {
3098                 printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
3099                        $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
3100         } else {
3101                 printf(" (%02d:%02d %s)",
3102                        $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
3103         }
3104         print "</td>" .
3105               "</tr>\n";
3106         print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
3107         print "<tr><td></td><td> $cd{'rfc2822'}" .
3108               sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) .
3109               "</td></tr>\n";
3110         print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
3111         print "<tr>" .
3112               "<td>tree</td>" .
3113               "<td class=\"sha1\">" .
3114               $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
3115                        class => "list"}, $co{'tree'}) .
3116               "</td>" .
3117               "<td class=\"link\">" .
3118               $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
3119                       "tree");
3120         if ($have_snapshot) {
3121                 print " | " .
3122                       $cgi->a({-href => href(action=>"snapshot", hash=>$hash)}, "snapshot");
3123         }
3124         print "</td>" .
3125               "</tr>\n";
3126         my $parents = $co{'parents'};
3127         foreach my $par (@$parents) {
3128                 print "<tr>" .
3129                       "<td>parent</td>" .
3130                       "<td class=\"sha1\">" .
3131                       $cgi->a({-href => href(action=>"commit", hash=>$par),
3132                                class => "list"}, $par) .
3133                       "</td>" .
3134                       "<td class=\"link\">" .
3135                       $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
3136                       " | " .
3137                       $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "diff") .
3138                       "</td>" .
3139                       "</tr>\n";
3140         }
3141         print "</table>".
3142               "</div>\n";
3143
3144         print "<div class=\"page_body\">\n";
3145         git_print_log($co{'comment'});
3146         print "</div>\n";
3147
3148         git_difftree_body(\@difftree, $hash, $parent);
3149
3150         git_footer_html();
3151 }
3152
3153 sub git_blobdiff {
3154         my $format = shift || 'html';
3155
3156         my $fd;
3157         my @difftree;
3158         my %diffinfo;
3159         my $expires;
3160
3161         # preparing $fd and %diffinfo for git_patchset_body
3162         # new style URI
3163         if (defined $hash_base && defined $hash_parent_base) {
3164                 if (defined $file_name) {
3165                         # read raw output
3166                         open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base,
3167                                 "--", $file_name
3168                                 or die_error(undef, "Open git-diff-tree failed");
3169                         @difftree = map { chomp; $_ } <$fd>;
3170                         close $fd
3171                                 or die_error(undef, "Reading git-diff-tree failed");
3172                         @difftree
3173                                 or die_error('404 Not Found', "Blob diff not found");
3174
3175                 } elsif (defined $hash &&
3176                          $hash =~ /[0-9a-fA-F]{40}/) {
3177                         # try to find filename from $hash
3178
3179                         # read filtered raw output
3180                         open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base
3181                                 or die_error(undef, "Open git-diff-tree failed");
3182                         @difftree =
3183                                 # ':100644 100644 03b21826... 3b93d5e7... M     ls-files.c'
3184                                 # $hash == to_id
3185                                 grep { /^:[0-7]{6} [0-7]{6} [0-9a-fA-F]{40} $hash/ }
3186                                 map { chomp; $_ } <$fd>;
3187                         close $fd
3188                                 or die_error(undef, "Reading git-diff-tree failed");
3189                         @difftree
3190                                 or die_error('404 Not Found', "Blob diff not found");
3191
3192                 } else {
3193                         die_error('404 Not Found', "Missing one of the blob diff parameters");
3194                 }
3195
3196                 if (@difftree > 1) {
3197                         die_error('404 Not Found', "Ambiguous blob diff specification");
3198                 }
3199
3200                 %diffinfo = parse_difftree_raw_line($difftree[0]);
3201                 $file_parent ||= $diffinfo{'from_file'} || $file_name || $diffinfo{'file'};
3202                 $file_name   ||= $diffinfo{'to_file'}   || $diffinfo{'file'};
3203
3204                 $hash_parent ||= $diffinfo{'from_id'};
3205                 $hash        ||= $diffinfo{'to_id'};
3206
3207                 # non-textual hash id's can be cached
3208                 if ($hash_base =~ m/^[0-9a-fA-F]{40}$/ &&
3209                     $hash_parent_base =~ m/^[0-9a-fA-F]{40}$/) {
3210                         $expires = '+1d';
3211                 }
3212
3213                 # open patch output
3214                 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3215                         '-p', $hash_parent_base, $hash_base,
3216                         "--", $file_name
3217                         or die_error(undef, "Open git-diff-tree failed");
3218         }
3219
3220         # old/legacy style URI
3221         if (!%diffinfo && # if new style URI failed
3222             defined $hash && defined $hash_parent) {
3223                 # fake git-diff-tree raw output
3224                 $diffinfo{'from_mode'} = $diffinfo{'to_mode'} = "blob";
3225                 $diffinfo{'from_id'} = $hash_parent;
3226                 $diffinfo{'to_id'}   = $hash;
3227                 if (defined $file_name) {
3228                         if (defined $file_parent) {
3229                                 $diffinfo{'status'} = '2';
3230                                 $diffinfo{'from_file'} = $file_parent;
3231                                 $diffinfo{'to_file'}   = $file_name;
3232                         } else { # assume not renamed
3233                                 $diffinfo{'status'} = '1';
3234                                 $diffinfo{'from_file'} = $file_name;
3235                                 $diffinfo{'to_file'}   = $file_name;
3236                         }
3237                 } else { # no filename given
3238                         $diffinfo{'status'} = '2';
3239                         $diffinfo{'from_file'} = $hash_parent;
3240                         $diffinfo{'to_file'}   = $hash;
3241                 }
3242
3243                 # non-textual hash id's can be cached
3244                 if ($hash =~ m/^[0-9a-fA-F]{40}$/ &&
3245                     $hash_parent =~ m/^[0-9a-fA-F]{40}$/) {
3246                         $expires = '+1d';
3247                 }
3248
3249                 # open patch output
3250                 open $fd, "-|", git_cmd(), "diff", '-p', @diff_opts, $hash_parent, $hash
3251                         or die_error(undef, "Open git-diff failed");
3252         } else  {
3253                 die_error('404 Not Found', "Missing one of the blob diff parameters")
3254                         unless %diffinfo;
3255         }
3256
3257         # header
3258         if ($format eq 'html') {
3259                 my $formats_nav =
3260                         $cgi->a({-href => href(action=>"blobdiff_plain",
3261                                                hash=>$hash, hash_parent=>$hash_parent,
3262                                                hash_base=>$hash_base, hash_parent_base=>$hash_parent_base,
3263                                                file_name=>$file_name, file_parent=>$file_parent)},
3264                                 "raw");
3265                 git_header_html(undef, $expires);
3266                 if (defined $hash_base && (my %co = parse_commit($hash_base))) {
3267                         git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
3268                         git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
3269                 } else {
3270                         print "<div class=\"page_nav\"><br/>$formats_nav<br/></div>\n";
3271                         print "<div class=\"title\">$hash vs $hash_parent</div>\n";
3272                 }
3273                 if (defined $file_name) {
3274                         git_print_page_path($file_name, "blob", $hash_base);
3275                 } else {
3276                         print "<div class=\"page_path\"></div>\n";
3277                 }
3278
3279         } elsif ($format eq 'plain') {
3280                 print $cgi->header(
3281                         -type => 'text/plain',
3282                         -charset => 'utf-8',
3283                         -expires => $expires,
3284                         -content_disposition => 'inline; filename="' . "$file_name" . '.patch"');
3285
3286                 print "X-Git-Url: " . $cgi->self_url() . "\n\n";
3287
3288         } else {
3289                 die_error(undef, "Unknown blobdiff format");
3290         }
3291
3292         # patch
3293         if ($format eq 'html') {
3294                 print "<div class=\"page_body\">\n";
3295
3296                 git_patchset_body($fd, [ \%diffinfo ], $hash_base, $hash_parent_base);
3297                 close $fd;
3298
3299                 print "</div>\n"; # class="page_body"
3300                 git_footer_html();
3301
3302         } else {
3303                 while (my $line = <$fd>) {
3304                         $line =~ s!a/($hash|$hash_parent)!'a/'.esc_html($diffinfo{'from_file'})!eg;
3305                         $line =~ s!b/($hash|$hash_parent)!'b/'.esc_html($diffinfo{'to_file'})!eg;
3306
3307                         print $line;
3308
3309                         last if $line =~ m!^\+\+\+!;
3310                 }
3311                 local $/ = undef;
3312                 print <$fd>;
3313                 close $fd;
3314         }
3315 }
3316
3317 sub git_blobdiff_plain {
3318         git_blobdiff('plain');
3319 }
3320
3321 sub git_commitdiff {
3322         my $format = shift || 'html';
3323         my %co = parse_commit($hash);
3324         if (!%co) {
3325                 die_error(undef, "Unknown commit object");
3326         }
3327         if (!defined $hash_parent) {
3328                 $hash_parent = $co{'parent'} || '--root';
3329         }
3330
3331         # read commitdiff
3332         my $fd;
3333         my @difftree;
3334         if ($format eq 'html') {
3335                 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3336                         "--patch-with-raw", "--full-index", $hash_parent, $hash
3337                         or die_error(undef, "Open git-diff-tree failed");
3338
3339                 while (chomp(my $line = <$fd>)) {
3340                         # empty line ends raw part of diff-tree output
3341                         last unless $line;
3342                         push @difftree, $line;
3343                 }
3344
3345         } elsif ($format eq 'plain') {
3346                 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3347                         '-p', $hash_parent, $hash
3348                         or die_error(undef, "Open git-diff-tree failed");
3349
3350         } else {
3351                 die_error(undef, "Unknown commitdiff format");
3352         }
3353
3354         # non-textual hash id's can be cached
3355         my $expires;
3356         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
3357                 $expires = "+1d";
3358         }
3359
3360         # write commit message
3361         if ($format eq 'html') {
3362                 my $refs = git_get_references();
3363                 my $ref = format_ref_marker($refs, $co{'id'});
3364                 my $formats_nav =
3365                         $cgi->a({-href => href(action=>"commitdiff_plain",
3366                                                hash=>$hash, hash_parent=>$hash_parent)},
3367                                 "raw");
3368
3369                 git_header_html(undef, $expires);
3370                 git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
3371                 git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
3372                 git_print_authorship(\%co);
3373                 print "<div class=\"page_body\">\n";
3374                 print "<div class=\"log\">\n";
3375                 git_print_simplified_log($co{'comment'}, 1); # skip title
3376                 print "</div>\n"; # class="log"
3377
3378         } elsif ($format eq 'plain') {
3379                 my $refs = git_get_references("tags");
3380                 my $tagname = git_get_rev_name_tags($hash);
3381                 my $filename = basename($project) . "-$hash.patch";
3382
3383                 print $cgi->header(
3384                         -type => 'text/plain',
3385                         -charset => 'utf-8',
3386                         -expires => $expires,
3387                         -content_disposition => 'inline; filename="' . "$filename" . '"');
3388                 my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
3389                 print <<TEXT;
3390 From: $co{'author'}
3391 Date: $ad{'rfc2822'} ($ad{'tz_local'})
3392 Subject: $co{'title'}
3393 TEXT
3394                 print "X-Git-Tag: $tagname\n" if $tagname;
3395                 print "X-Git-Url: " . $cgi->self_url() . "\n\n";
3396
3397                 foreach my $line (@{$co{'comment'}}) {
3398                         print "$line\n";
3399                 }
3400                 print "---\n\n";
3401         }
3402
3403         # write patch
3404         if ($format eq 'html') {
3405                 git_difftree_body(\@difftree, $hash, $hash_parent);
3406                 print "<br/>\n";
3407
3408                 git_patchset_body($fd, \@difftree, $hash, $hash_parent);
3409                 close $fd;
3410                 print "</div>\n"; # class="page_body"
3411                 git_footer_html();
3412
3413         } elsif ($format eq 'plain') {
3414                 local $/ = undef;
3415                 print <$fd>;
3416                 close $fd
3417                         or print "Reading git-diff-tree failed\n";
3418         }
3419 }
3420
3421 sub git_commitdiff_plain {
3422         git_commitdiff('plain');
3423 }
3424
3425 sub git_history {
3426         if (!defined $hash_base) {
3427                 $hash_base = git_get_head_hash($project);
3428         }
3429         if (!defined $page) {
3430                 $page = 0;
3431         }
3432         my $ftype;
3433         my %co = parse_commit($hash_base);
3434         if (!%co) {
3435                 die_error(undef, "Unknown commit object");
3436         }
3437
3438         my $refs = git_get_references();
3439         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3440
3441         if (!defined $hash && defined $file_name) {
3442                 $hash = git_get_hash_by_path($hash_base, $file_name);
3443         }
3444         if (defined $hash) {
3445                 $ftype = git_get_type($hash);
3446         }
3447
3448         open my $fd, "-|",
3449                 git_cmd(), "rev-list", $limit, "--full-history", $hash_base, "--", $file_name
3450                         or die_error(undef, "Open git-rev-list-failed");
3451         my @revlist = map { chomp; $_ } <$fd>;
3452         close $fd
3453                 or die_error(undef, "Reading git-rev-list failed");
3454
3455         my $paging_nav = '';
3456         if ($page > 0) {
3457                 $paging_nav .=
3458                         $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3459                                                file_name=>$file_name)},
3460                                 "first");
3461                 $paging_nav .= " &sdot; " .
3462                         $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3463                                                file_name=>$file_name, page=>$page-1),
3464                                  -accesskey => "p", -title => "Alt-p"}, "prev");
3465         } else {
3466                 $paging_nav .= "first";
3467                 $paging_nav .= " &sdot; prev";
3468         }
3469         if ($#revlist >= (100 * ($page+1)-1)) {
3470                 $paging_nav .= " &sdot; " .
3471                         $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3472                                                file_name=>$file_name, page=>$page+1),
3473                                  -accesskey => "n", -title => "Alt-n"}, "next");
3474         } else {
3475                 $paging_nav .= " &sdot; next";
3476         }
3477         my $next_link = '';
3478         if ($#revlist >= (100 * ($page+1)-1)) {
3479                 $next_link =
3480                         $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3481                                                file_name=>$file_name, page=>$page+1),
3482                                  -title => "Alt-n"}, "next");
3483         }
3484
3485         git_header_html();
3486         git_print_page_nav('history','', $hash_base,$co{'tree'},$hash_base, $paging_nav);
3487         git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
3488         git_print_page_path($file_name, $ftype, $hash_base);
3489
3490         git_history_body(\@revlist, ($page * 100), $#revlist,
3491                          $refs, $hash_base, $ftype, $next_link);
3492
3493         git_footer_html();
3494 }
3495
3496 sub git_search {
3497         if (!defined $searchtext) {
3498                 die_error(undef, "Text field empty");
3499         }
3500         if (!defined $hash) {
3501                 $hash = git_get_head_hash($project);
3502         }
3503         my %co = parse_commit($hash);
3504         if (!%co) {
3505                 die_error(undef, "Unknown commit object");
3506         }
3507
3508         my $commit_search = 1;
3509         my $author_search = 0;
3510         my $committer_search = 0;
3511         my $pickaxe_search = 0;
3512         if ($searchtext =~ s/^author\\://i) {
3513                 $author_search = 1;
3514         } elsif ($searchtext =~ s/^committer\\://i) {
3515                 $committer_search = 1;
3516         } elsif ($searchtext =~ s/^pickaxe\\://i) {
3517                 $commit_search = 0;
3518                 $pickaxe_search = 1;
3519
3520                 # pickaxe may take all resources of your box and run for several minutes
3521                 # with every query - so decide by yourself how public you make this feature
3522                 my ($have_pickaxe) = gitweb_check_feature('pickaxe');
3523                 if (!$have_pickaxe) {
3524                         die_error('403 Permission denied', "Permission denied");
3525                 }
3526         }
3527         git_header_html();
3528         git_print_page_nav('','', $hash,$co{'tree'},$hash);
3529         git_print_header_div('commit', esc_html($co{'title'}), $hash);
3530
3531         print "<table cellspacing=\"0\">\n";
3532         my $alternate = 1;
3533         if ($commit_search) {
3534                 $/ = "\0";
3535                 open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", $hash or next;
3536                 while (my $commit_text = <$fd>) {
3537                         if (!grep m/$searchtext/i, $commit_text) {
3538                                 next;
3539                         }
3540                         if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
3541                                 next;
3542                         }
3543                         if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
3544                                 next;
3545                         }
3546                         my @commit_lines = split "\n", $commit_text;
3547                         my %co = parse_commit(undef, \@commit_lines);
3548                         if (!%co) {
3549                                 next;
3550                         }
3551                         if ($alternate) {
3552                                 print "<tr class=\"dark\">\n";
3553                         } else {
3554                                 print "<tr class=\"light\">\n";
3555                         }
3556                         $alternate ^= 1;
3557                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3558                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3559                               "<td>" .
3560                               $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), -class => "list subject"},
3561                                        esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3562                         my $comment = $co{'comment'};
3563                         foreach my $line (@$comment) {
3564                                 if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
3565                                         my $lead = esc_html($1) || "";
3566                                         $lead = chop_str($lead, 30, 10);
3567                                         my $match = esc_html($2) || "";
3568                                         my $trail = esc_html($3) || "";
3569                                         $trail = chop_str($trail, 30, 10);
3570                                         my $text = "$lead<span class=\"match\">$match</span>$trail";
3571                                         print chop_str($text, 80, 5) . "<br/>\n";
3572                                 }
3573                         }
3574                         print "</td>\n" .
3575                               "<td class=\"link\">" .
3576                               $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3577                               " | " .
3578                               $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3579                         print "</td>\n" .
3580                               "</tr>\n";
3581                 }
3582                 close $fd;
3583         }
3584
3585         if ($pickaxe_search) {
3586                 $/ = "\n";
3587                 my $git_command = git_cmd_str();
3588                 open my $fd, "-|", "$git_command rev-list $hash | " .
3589                         "$git_command diff-tree -r --stdin -S\'$searchtext\'";
3590                 undef %co;
3591                 my @files;
3592                 while (my $line = <$fd>) {
3593                         if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
3594                                 my %set;
3595                                 $set{'file'} = $6;
3596                                 $set{'from_id'} = $3;
3597                                 $set{'to_id'} = $4;
3598                                 $set{'id'} = $set{'to_id'};
3599                                 if ($set{'id'} =~ m/0{40}/) {
3600                                         $set{'id'} = $set{'from_id'};
3601                                 }
3602                                 if ($set{'id'} =~ m/0{40}/) {
3603                                         next;
3604                                 }
3605                                 push @files, \%set;
3606                         } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
3607                                 if (%co) {
3608                                         if ($alternate) {
3609                                                 print "<tr class=\"dark\">\n";
3610                                         } else {
3611                                                 print "<tr class=\"light\">\n";
3612                                         }
3613                                         $alternate ^= 1;
3614                                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3615                                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3616                                               "<td>" .
3617                                               $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
3618                                                       -class => "list subject"},
3619                                                       esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3620                                         while (my $setref = shift @files) {
3621                                                 my %set = %$setref;
3622                                                 print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
3623                                                                              hash=>$set{'id'}, file_name=>$set{'file'}),
3624                                                               -class => "list"},
3625                                                               "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
3626                                                       "<br/>\n";
3627                                         }
3628                                         print "</td>\n" .
3629                                               "<td class=\"link\">" .
3630                                               $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3631                                               " | " .
3632                                               $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3633                                         print "</td>\n" .
3634                                               "</tr>\n";
3635                                 }
3636                                 %co = parse_commit($1);
3637                         }
3638                 }
3639                 close $fd;
3640         }
3641         print "</table>\n";
3642         git_footer_html();
3643 }
3644
3645 sub git_shortlog {
3646         my $head = git_get_head_hash($project);
3647         if (!defined $hash) {
3648                 $hash = $head;
3649         }
3650         if (!defined $page) {
3651                 $page = 0;
3652         }
3653         my $refs = git_get_references();
3654
3655         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3656         open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash
3657                 or die_error(undef, "Open git-rev-list failed");
3658         my @revlist = map { chomp; $_ } <$fd>;
3659         close $fd;
3660
3661         my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#revlist);
3662         my $next_link = '';
3663         if ($#revlist >= (100 * ($page+1)-1)) {
3664                 $next_link =
3665                         $cgi->a({-href => href(action=>"shortlog", hash=>$hash, page=>$page+1),
3666                                  -title => "Alt-n"}, "next");
3667         }
3668
3669
3670         git_header_html();
3671         git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
3672         git_print_header_div('summary', $project);
3673
3674         git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
3675
3676         git_footer_html();
3677 }
3678
3679 ## ......................................................................
3680 ## feeds (RSS, OPML)
3681
3682 sub git_rss {
3683         # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
3684         open my $fd, "-|", git_cmd(), "rev-list", "--max-count=150", git_get_head_hash($project)
3685                 or die_error(undef, "Open git-rev-list failed");
3686         my @revlist = map { chomp; $_ } <$fd>;
3687         close $fd or die_error(undef, "Reading git-rev-list failed");
3688         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3689         print <<XML;
3690 <?xml version="1.0" encoding="utf-8"?>
3691 <rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
3692 <channel>
3693 <title>$project $my_uri $my_url</title>
3694 <link>${\esc_html("$my_url?p=$project;a=summary")}</link>
3695 <description>$project log</description>
3696 <language>en</language>
3697 XML
3698
3699         for (my $i = 0; $i <= $#revlist; $i++) {
3700                 my $commit = $revlist[$i];
3701                 my %co = parse_commit($commit);
3702                 # we read 150, we always show 30 and the ones more recent than 48 hours
3703                 if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
3704                         last;
3705                 }
3706                 my %cd = parse_date($co{'committer_epoch'});
3707                 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3708                         $co{'parent'}, $co{'id'}
3709                         or next;
3710                 my @difftree = map { chomp; $_ } <$fd>;
3711                 close $fd
3712                         or next;
3713                 print "<item>\n" .
3714                       "<title>" .
3715                       sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
3716                       "</title>\n" .
3717                       "<author>" . esc_html($co{'author'}) . "</author>\n" .
3718                       "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
3719                       "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
3720                       "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
3721                       "<description>" . esc_html($co{'title'}) . "</description>\n" .
3722                       "<content:encoded>" .
3723                       "<![CDATA[\n";
3724                 my $comment = $co{'comment'};
3725                 foreach my $line (@$comment) {
3726                         $line = to_utf8($line);
3727                         print "$line<br/>\n";
3728                 }
3729                 print "<br/>\n";
3730                 foreach my $line (@difftree) {
3731                         if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
3732                                 next;
3733                         }
3734                         my $file = esc_html(unquote($7));
3735                         $file = to_utf8($file);
3736                         print "$file<br/>\n";
3737                 }
3738                 print "]]>\n" .
3739                       "</content:encoded>\n" .
3740                       "</item>\n";
3741         }
3742         print "</channel></rss>";
3743 }
3744
3745 sub git_opml {
3746         my @list = git_get_projects_list();
3747
3748         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3749         print <<XML;
3750 <?xml version="1.0" encoding="utf-8"?>
3751 <opml version="1.0">
3752 <head>
3753   <title>$site_name Git OPML Export</title>
3754 </head>
3755 <body>
3756 <outline text="git RSS feeds">
3757 XML
3758
3759         foreach my $pr (@list) {
3760                 my %proj = %$pr;
3761                 my $head = git_get_head_hash($proj{'path'});
3762                 if (!defined $head) {
3763                         next;
3764                 }
3765                 $git_dir = "$projectroot/$proj{'path'}";
3766                 my %co = parse_commit($head);
3767                 if (!%co) {
3768                         next;
3769                 }
3770
3771                 my $path = esc_html(chop_str($proj{'path'}, 25, 5));
3772                 my $rss  = "$my_url?p=$proj{'path'};a=rss";
3773                 my $html = "$my_url?p=$proj{'path'};a=summary";
3774                 print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
3775         }
3776         print <<XML;
3777 </outline>
3778 </body>
3779 </opml>
3780 XML
3781 }