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

   1 #!/usr/bin/perl
   2
   3 # gitweb.pl - simple web interface to track changes in git repositories
   4 #
   5 # (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
   6 # (C) 2005, Christian Gierke <ch@gierke.de>
   7 #
   8 # This program is licensed under the GPL v2, or a later version
   9
  10 use strict;
  11 use warnings;
  12 use CGI qw(:standard :escapeHTML);
  13 use CGI::Util qw(unescape);
  14 use CGI::Carp qw(fatalsToBrowser);
  15 use Fcntl ':mode';
  16
  17 my $cgi = new CGI;
  18 my $version =           "160";
  19 my $my_url =            $cgi->url();
  20 my $my_uri =            $cgi->url(-absolute => 1);
  21 my $rss_link = "";
  22
  23 # absolute fs-path which will be prepended to the project path
  24 my $projectroot =       "/pub/scm";
  25
  26 # location of the git-core binaries
  27 my $gitbin =            "/usr/bin";
  28
  29 # location for temporary files needed for diffs
  30 my $gittmp =            "/tmp/gitweb";
  31
  32 # target of the home link on top of all pages
  33 my $home_link =         $my_uri;
  34
  35 # html text to include at home page
  36 my $home_text =         "indextext.html";
  37
  38 # source of projects list
  39 #my $projects_list = $projectroot;
  40 my $projects_list = "index/index.aux";
  41
  42 # input validation and dispatch
  43 my $action = $cgi->param('a');
  44 if (defined $action) {
  45         if ($action =~ m/[^0-9a-zA-Z\.\-]+/) {
  46                 undef $action;
  47                 die_error(undef, "Invalid action parameter.");
  48         }
  49         if ($action eq "git-logo.png") {
  50                 git_logo();
  51                 exit;
  52         }
  53 } else {
  54         $action = "summary";
  55 }
  56
  57 my $project = $cgi->param('p');
  58 if (defined $project) {
  59         if ($project =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
  60                 undef $project;
  61                 die_error(undef, "Non-canonical project parameter.");
  62         }
  63         if ($project =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~]/) {
  64                 undef $project;
  65                 die_error(undef, "Invalid character in project parameter.");
  66         }
  67         if (!(-d "$projectroot/$project")) {
  68                 undef $project;
  69                 die_error(undef, "No such directory.");
  70         }
  71         if (!(-e "$projectroot/$project/HEAD")) {
  72                 undef $project;
  73                 die_error(undef, "No such project.");
  74         }
  75         $rss_link = "<link rel=\"alternate\" title=\"$project log\" href=\"$my_uri?p=$project;a=rss\" type=\"application/rss+xml\"/>";
  76         $ENV{'GIT_OBJECT_DIRECTORY'} = "$projectroot/$project/objects";
  77         $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects";
  78 } else {
  79         git_project_list();
  80         exit;
  81 }
  82
  83 my $file_name = $cgi->param('f');
  84 if (defined $file_name) {
  85         if ($file_name =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
  86                 undef $file_name;
  87                 die_error(undef, "Non-canonical file parameter.");
  88         }
  89         if ($file_name =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~\:\!]/) {
  90                 undef $file_name;
  91                 die_error(undef, "Invalid character in file parameter.");
  92         }
  93 }
  94
  95 my $hash = $cgi->param('h');
  96 if (defined $hash && !($hash =~ m/^[0-9a-fA-F]{40}$/)) {
  97         undef $hash;
  98         die_error(undef, "Invalid hash parameter.");
  99 }
 100
 101 my $hash_parent = $cgi->param('hp');
 102 if (defined $hash_parent && !($hash_parent =~ m/^[0-9a-fA-F]{40}$/)) {
 103         undef $hash_parent;
 104         die_error(undef, "Invalid hash_parent parameter.");
 105 }
 106
 107 my $hash_base = $cgi->param('hb');
 108 if (defined $hash_base && !($hash_base =~ m/^[0-9a-fA-F]{40}$/)) {
 109         undef $hash_base;
 110         die_error(undef, "Invalid parent hash parameter.");
 111 }
 112
 113 my $time_back = $cgi->param('t');
 114 if (defined $time_back) {
 115         if ($time_back =~ m/^[^0-9]+$/) {
 116                 undef $time_back;
 117                 die_error(undef, "Invalid time parameter.");
 118         }
 119 }
 120
 121 if ($action eq "summary") {
 122         git_summary();
 123         exit;
 124 } elsif ($action eq "branches") {
 125         git_branches();
 126         exit;
 127 } elsif ($action eq "tags") {
 128         git_tags();
 129         exit;
 130 } elsif ($action eq "blob") {
 131         git_blob();
 132         exit;
 133 } elsif ($action eq "tree") {
 134         git_tree();
 135         exit;
 136 } elsif ($action eq "rss") {
 137         git_rss();
 138         exit;
 139 } elsif ($action eq "commit") {
 140         git_commit();
 141         exit;
 142 } elsif ($action eq "log") {
 143         git_log();
 144         exit;
 145 } elsif ($action eq "blobdiff") {
 146         git_blobdiff();
 147         exit;
 148 } elsif ($action eq "commitdiff") {
 149         git_commitdiff();
 150         exit;
 151 } elsif ($action eq "history") {
 152         git_history();
 153         exit;
 154 } else {
 155         undef $action;
 156         die_error(undef, "Unknown action.");
 157         exit;
 158 }
 159
 160 sub git_header_html {
 161         my $status = shift || "200 OK";
 162
 163         my $title = "git";
 164         if (defined $project) {
 165                 $title .= " - $project";
 166                 if (defined $action) {
 167                         $title .= "/$action";
 168                 }
 169         }
 170         print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status);
 171         print <<EOF;
 172 <?xml version="1.0" encoding="utf-8"?>
 173 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 174 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 175 <!-- git web interface v$version, (C) 2005, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke <ch\@gierke.de> -->
 176 <head>
 177 <title>$title</title>
 178 $rss_link
 179 <style type="text/css">
 180 body { font-family: sans-serif; font-size: 12px; margin:0px; border:solid #d9d8d1; border-width:1px; margin:10px; }
 181 a { color:#0000cc; }
 182 a:hover, a:visited, a:active { color:#880000; }
 183 div.page_header { height:25px; padding:8px; font-size:18px; font-weight:bold; background-color:#d9d8d1; }
 184 div.page_header a:visited { color:#0000cc; }
 185 div.page_header a:hover { color:#880000; }
 186 div.page_nav { padding:8px; }
 187 div.page_nav a:visited { color:#0000cc; }
 188 div.page_path { font-weight:bold; padding:8px; border:solid #d9d8d1; border-width:0px 0px 1px}
 189 div.page_footer { height:17px; padding:4px 8px; background-color: #d9d8d1; }
 190 div.page_footer_text { float:left; color:#555555; font-style:italic; }
 191 div.page_body { padding:8px; }
 192 div.title, a.title {
 193         display:block; padding:6px 8px;
 194         font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
 195 }
 196 a.title:hover { background-color: #d9d8d1; }
 197 div.title_text { padding:6px 0px; border: solid #d9d8d1; border-width:0px 0px 1px; }
 198 div.log_body { padding:8px 8px 8px 150px; }
 199 span.age { position:relative; float:left; width:142px; font-style:italic; }
 200 div.log_link {
 201         padding:0px 8px;
 202         font-size:10px; font-family:sans-serif; font-style:normal;
 203         position:relative; float:left; width:136px;
 204 }
 205 div.list_head { padding:6px 8px 4px; border:solid #d9d8d1; border-width:1px 0px 0px; font-style:italic; }
 206 a.list { text-decoration:none; color:#000000; }
 207 a.list:hover { color:#880000; }
 208 table { padding:8px 4px; }
 209 th { padding:2px 5px; font-size:12px; text-align:left; }
 210 td { padding:2px 5px; font-size:12px; }
 211 td.link { padding:2px 5px; font-family:sans-serif; font-size:10px; }
 212 div.pre { font-family:monospace; font-size:12px; white-space:pre; }
 213 div.diff_info { font-family:monospace; color:#000099; background-color:#edece6; font-style:italic; }
 214 div.index_include { border:solid #d9d8d1; border-width:0px 0px 1px; padding:12px 8px; }
 215 a.rss_logo { float:right; padding:3px 0px; width:35px; line-height:10px;
 216         border:1px solid; border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e;
 217         color:#ffffff; background-color:#ff6600;
 218         font-weight:bold; font-family:sans-serif; font-size:10px;
 219         text-align:center; text-decoration:none;
 220 }
 221 a.rss_logo:hover { background-color:#ee5500; }
 222 </style>
 223 </head>
 224 <body>
 225 EOF
 226         print "<div class=\"page_header\">\n" .
 227               "<a href=\"http://kernel.org/pub/software/scm/git/docs/\">" .
 228               "<img src=\"$my_uri?a=git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
 229         print $cgi->a({-href => $home_link}, "projects") . " / ";
 230         if (defined $project) {
 231                 print $cgi->a({-href => "$my_uri?p=$project;a=summary"}, escapeHTML($project));
 232                 if (defined $action) {
 233                         print " / $action";
 234                 }
 235         }
 236         print "</div>\n";
 237 }
 238
 239 sub git_footer_html {
 240         print "<div class=\"page_footer\">\n";
 241         if (defined $project) {
 242                 my $descr = git_read_description($project);
 243                 if (defined $descr) {
 244                         print "<div class=\"page_footer_text\">" . escapeHTML($descr) . "</div>\n";
 245                 }
 246                 print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "rss_logo"}, "RSS") . "\n";
 247         }
 248         print "</div>\n" .
 249               "</body>\n" .
 250               "</html>";
 251 }
 252
 253 sub die_error {
 254         my $status = shift || "403 Forbidden";
 255         my $error = shift || "Malformed query, file missing or permission denied";
 256
 257         git_header_html($status);
 258         print "<div class=\"page_body\">\n" .
 259               "<br/><br/>\n";
 260         print "$status - $error\n";
 261         print "<br/></div>\n";
 262         git_footer_html();
 263         exit;
 264 }
 265
 266 sub git_get_type {
 267         my $hash = shift;
 268
 269         open my $fd, "-|", "$gitbin/git-cat-file -t $hash" || return;
 270         my $type = <$fd>;
 271         close $fd;
 272         chomp $type;
 273         return $type;
 274 }
 275
 276 sub git_read_hash {
 277         my $path = shift;
 278
 279         open my $fd, "$projectroot/$path" || return undef;
 280         my $head = <$fd>;
 281         close $fd;
 282         chomp $head;
 283         if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 284                 return $head;
 285         }
 286 }
 287
 288 sub git_read_description {
 289         my $path = shift;
 290
 291         open my $fd, "$projectroot/$path/description" || return undef;
 292         my $descr = <$fd>;
 293         close $fd;
 294         chomp $descr;
 295         return $descr;
 296 }
 297
 298 sub git_read_tag {
 299         my $tag_id = shift;
 300         my %tag;
 301
 302         open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" || return;
 303         while (my $line = <$fd>) {
 304                 chomp $line;
 305                 if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 306                         $tag{'object'} = $1;
 307                 } elsif ($line =~ m/^type (.*)$/) {
 308                         $tag{'type'} = $1;
 309                 } elsif ($line =~ m/^tag (.*)$/) {
 310                         $tag{'name'} = $1;
 311                 }
 312         }
 313         close $fd || return;
 314         if (!defined $tag{'name'}) {
 315                 return
 316         };
 317         return %tag
 318 }
 319
 320 sub git_read_commit {
 321         my $commit = shift;
 322         my %co;
 323         my @parents;
 324
 325         open my $fd, "-|", "$gitbin/git-cat-file commit $commit" || return;
 326         while (my $line = <$fd>) {
 327                 last if $line eq "\n";
 328                 chomp $line;
 329                 if ($line =~ m/^tree (.*)$/) {
 330                         $co{'tree'} = $1;
 331                 } elsif ($line =~ m/^parent (.*)$/) {
 332                         push @parents, $1;
 333                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 334                         $co{'author'} = $1;
 335                         $co{'author_epoch'} = $2;
 336                         $co{'author_tz'} = $3;
 337                         $co{'author_name'} = $co{'author'};
 338                         $co{'author_name'} =~ s/ <.*//;
 339                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 340                         $co{'committer'} = $1;
 341                         $co{'committer_epoch'} = $2;
 342                         $co{'committer_tz'} = $3;
 343                         $co{'committer_name'} = $co{'committer'};
 344                         $co{'committer_name'} =~ s/ <.*//;
 345                 }
 346         }
 347         if (!defined $co{'tree'}) {
 348                 close $fd;
 349                 return undef
 350         };
 351         $co{'parents'} = \@parents;
 352         $co{'parent'} = $parents[0];
 353         my (@comment) = map { chomp; $_ } <$fd>;
 354         $co{'comment'} = \@comment;
 355         $comment[0] =~ m/^(.{0,50}[^ \/\-_:\.]{0,10})/;
 356         $co{'title'} = $1;
 357         if ($comment[0] ne $co{'title'}) {
 358                 $co{'title'} .= " ...";
 359         }
 360         close $fd || return;
 361
 362         my $age = time - $co{'committer_epoch'};
 363         $co{'age'} = $age;
 364         if ($age > 60*60*24*365*2) {
 365                 $co{'age_string'} = (int $age/60/60/24/365);
 366                 $co{'age_string'} .= " years ago";
 367         } elsif ($age > 60*60*24*(365/12)*2) {
 368                 $co{'age_string'} = int $age/60/60/24/(365/12);
 369                 $co{'age_string'} .= " months ago";
 370         } elsif ($age > 60*60*24*7*2) {
 371                 $co{'age_string'} = int $age/60/60/24/7;
 372                 $co{'age_string'} .= " weeks ago";
 373         } elsif ($age > 60*60*24*2) {
 374                 $co{'age_string'} = int $age/60/60/24;
 375                 $co{'age_string'} .= " days ago";
 376         } elsif ($age > 60*60*2) {
 377                 $co{'age_string'} = int $age/60/60;
 378                 $co{'age_string'} .= " hours ago";
 379         } elsif ($age > 60*2) {
 380                 $co{'age_string'} = int $age/60;
 381                 $co{'age_string'} .= " min ago";
 382         } elsif ($age > 2) {
 383                 $co{'age_string'} = int $age;
 384                 $co{'age_string'} .= " sec ago";
 385         } else {
 386                 $co{'age_string'} .= " right now";
 387         }
 388         return %co;
 389 }
 390
 391 sub git_diff_html {
 392         my $from = shift;
 393         my $from_name = shift;
 394         my $to = shift;
 395         my $to_name = shift;
 396
 397         my $from_tmp = "/dev/null";
 398         my $to_tmp = "/dev/null";
 399         my $pid = $$;
 400
 401         # create tmp from-file
 402         if (defined $from) {
 403                 $from_tmp = "$gittmp/gitweb_" . $$ . "_from";
 404                 open my $fd2, "> $from_tmp";
 405                 open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 406                 my @file = <$fd>;
 407                 print $fd2 @file;
 408                 close $fd2;
 409                 close $fd;
 410         }
 411
 412         # create tmp to-file
 413         if (defined $to) {
 414                 $to_tmp = "$gittmp/gitweb_" . $$ . "_to";
 415                 open my $fd2, "> $to_tmp";
 416                 open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 417                 my @file = <$fd>;
 418                 print $fd2 @file;
 419                 close $fd2;
 420                 close $fd;
 421         }
 422
 423         open my $fd, "-|", "/usr/bin/diff -u -p -L $from_name -L $to_name $from_tmp $to_tmp";
 424         while (my $line = <$fd>) {
 425                 chomp($line);
 426                 my $char = substr($line, 0, 1);
 427                 my $color = "";
 428                 if ($char eq '+') {
 429                         $color = " style=\"color:#008800;\"";
 430                 } elsif ($char eq '-') {
 431                         $color = " style=\"color:#cc0000;\"";
 432                 } elsif ($char eq '@') {
 433                         $color = " style=\"color:#990099;\"";
 434                 } elsif ($char eq '\\') {
 435                         # skip errors
 436                         next;
 437                 }
 438                 print "<div class=\"pre\"$color>" . escapeHTML($line) . "</div>\n";
 439         }
 440         close $fd;
 441
 442         if (defined $from) {
 443                 unlink($from_tmp);
 444         }
 445         if (defined $to) {
 446                 unlink($to_tmp);
 447         }
 448 }
 449
 450 sub mode_str {
 451         my $mode = oct shift;
 452
 453         if (S_ISDIR($mode & S_IFMT)) {
 454                 return 'drwxr-xr-x';
 455         } elsif (S_ISLNK($mode)) {
 456                 return 'lrwxrwxrwx';
 457         } elsif (S_ISREG($mode)) {
 458                 # git cares only about the executable bit
 459                 if ($mode & S_IXUSR) {
 460                         return '-rwxr-xr-x';
 461                 } else {
 462                         return '-rw-r--r--';
 463                 };
 464         } else {
 465                 return '----------';
 466         }
 467 }
 468
 469 sub file_type {
 470         my $mode = oct shift;
 471
 472         if (S_ISDIR($mode & S_IFMT)) {
 473                 return "directory";
 474         } elsif (S_ISLNK($mode)) {
 475                 return "symlink";
 476         } elsif (S_ISREG($mode)) {
 477                 return "file";
 478         } else {
 479                 return "unknown";
 480         }
 481 }
 482
 483 sub date_str {
 484         my $epoch = shift;
 485         my $tz = shift || "-0000";
 486
 487         my %date;
 488         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 489         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 490         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 491         $date{'hour'} = $hour;
 492         $date{'minute'} = $min;
 493         $date{'mday'} = $mday;
 494         $date{'day'} = $days[$wday];
 495         $date{'month'} = $months[$mon];
 496         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 497         $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 498
 499         $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 500         my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 501         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 502         $date{'hour_local'} = $hour;
 503         $date{'minute_local'} = $min;
 504         $date{'tz_local'} = $tz;
 505         return %date;
 506 }
 507
 508 # git-logo (cached in browser for one day)
 509 sub git_logo {
 510         print $cgi->header(-type => 'image/png', -expires => '+1d');
 511         # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 512         print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 513                 "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 514                 "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 515                 "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 516                 "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 517                 "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 518                 "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 519                 "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 520                 "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 521                 "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 522                 "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 523                 "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 524                 "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 525 }
 526
 527 sub get_file_owner {
 528         my $path = shift;
 529
 530         my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 531         my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 532         if (!defined $gcos) {
 533                 return undef;
 534         }
 535         my $owner = $gcos;
 536         $owner =~ s/[,;].*$//;
 537         return $owner;
 538 }
 539
 540 sub git_project_list {
 541         my @list;
 542
 543         if (-d $projects_list) {
 544                 # search in directory
 545                 my $dir = $projects_list;
 546                 opendir my $dh, $dir || return undef;
 547                 while (my $dir = readdir($dh)) {
 548                         if (-e "$projectroot/$dir/HEAD") {
 549                                 my $pr = {
 550                                         path => $dir,
 551                                 };
 552                                 push @list, $pr
 553                         }
 554                 }
 555                 closedir($dh);
 556         } elsif (-f $projects_list) {
 557                 # read from file:
 558                 # 'git/git.git:Linus Torvalds'
 559                 # 'linux/hotplug/udev.git'
 560                 open my $fd , $projects_list || return undef;
 561                 while (my $line = <$fd>) {
 562                         chomp $line;
 563                         my ($path, $owner) = split ' ', $line;
 564                         $path = unescape($path);
 565                         $owner = unescape($owner);
 566                         if (!defined $path) {
 567                                 next;
 568                         }
 569                         if (-e "$projectroot/$path/HEAD") {
 570                                 my $pr = {
 571                                         path => $path,
 572                                         owner => $owner,
 573                                 };
 574                                 push @list, $pr
 575                         }
 576                 }
 577                 close $fd;
 578         }
 579
 580         if (!@list) {
 581                 die_error(undef, "No project found.");
 582         }
 583         @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 584
 585         git_header_html();
 586         if (-f $home_text) {
 587                 print "<div class=\"index_include\">\n";
 588                 open (my $fd, $home_text);
 589                 print <$fd>;
 590                 close $fd;
 591                 print "</div>\n";
 592         }
 593         print "<table cellspacing=\"0\">\n" .
 594               "<tr>\n" .
 595               "<th>Project</th>\n" .
 596               "<th>Description</th>\n" .
 597               "<th>Owner</th>\n" .
 598               "<th>last change</th>\n" .
 599               "<th></th>\n" .
 600               "</tr>\n";
 601         my $alternate = 0;
 602         foreach my $pr (@list) {
 603                 my %proj = %$pr;
 604                 my $head = git_read_hash("$proj{'path'}/HEAD");
 605                 if (!defined $head) {
 606                         next;
 607                 }
 608                 $ENV{'GIT_OBJECT_DIRECTORY'} = "$projectroot/$proj{'path'}/objects";
 609                 $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$proj{'path'}/objects";
 610                 my %co = git_read_commit($head);
 611                 if (!%co) {
 612                         next;
 613                 }
 614                 my $descr = git_read_description($proj{'path'}) || "";
 615                 # get directory owner if not already specified
 616                 if (!defined $proj{'owner'}) {
 617                         $proj{'owner'} = get_file_owner("$projectroot/$proj{'path'}") || "";
 618                 }
 619                 if ($alternate) {
 620                         print "<tr style=\"background-color:#f6f5ed\">\n";
 621                 } else {
 622                         print "<tr>\n";
 623                 }
 624                 $alternate ^= 1;
 625                 print "<td>" . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=summary", -class => "list"}, escapeHTML($proj{'path'})) . "</td>\n" .
 626                       "<td>$descr</td>\n" .
 627                       "<td><i>$proj{'owner'}</i></td>\n";
 628                 my $colored_age;
 629                 if ($co{'age'} < 60*60*2) {
 630                         $colored_age = "<span style =\"color: #009900;\"><b><i>$co{'age_string'}</i></b></span>";
 631                 } elsif ($co{'age'} < 60*60*24*2) {
 632                         $colored_age = "<span style =\"color: #009900;\"><i>$co{'age_string'}</i></span>";
 633                 } else {
 634                         $colored_age = "<i>$co{'age_string'}</i>";
 635                 }
 636                 print "<td>$colored_age</td>\n" .
 637                       "<td class=\"link\">" .
 638                       $cgi->a({-href => "$my_uri?p=$proj{'path'};a=summary"}, "summary") .
 639                       " | " . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=log"}, "log") .
 640                       "</td>\n" .
 641                       "</tr>\n";
 642         }
 643         print "</table>\n" .
 644               "<br/>\n";
 645         git_footer_html();
 646 }
 647
 648 sub git_read_refs {
 649         my $ref_dir = shift;
 650         my @reflist;
 651
 652         opendir my $dh, "$projectroot/$project/$ref_dir";
 653         my @refs = grep !m/^\./, readdir $dh;
 654         closedir($dh);
 655         foreach my $ref_file (@refs) {
 656                 my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 657                 my $type = git_get_type($ref_id) || next;
 658                 my %ref_item;
 659                 my %co;
 660                 if ($type eq "tag") {
 661                         my %tag = git_read_tag($ref_id);
 662                         if ($tag{'type'} eq "commit") {
 663                                 %co = git_read_commit($tag{'object'});
 664                         }
 665                         $ref_item{'type'} = $tag{'type'};
 666                         $ref_item{'name'} = $tag{'name'};
 667                         $ref_item{'id'} = $tag{'object'};
 668                 } elsif ($type eq "commit"){
 669                         %co = git_read_commit($ref_id);
 670                         $ref_item{'type'} = "commit";
 671                         $ref_item{'name'} = $ref_file;
 672                         $ref_item{'title'} = $co{'title'};
 673                         $ref_item{'id'} = $ref_id;
 674                 }
 675                 $ref_item{'epoch'} = $co{'committer_epoch'} || 0;
 676                 $ref_item{'age'} = $co{'age_string'} || "unknown";
 677
 678                 push @reflist, \%ref_item;
 679         }
 680         # sort tags by age
 681         @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
 682         return \@reflist;
 683 }
 684
 685 sub git_summary {
 686         my $descr = git_read_description($project) || "none";
 687         my $head = git_read_hash("$project/HEAD");
 688         $ENV{'GIT_OBJECT_DIRECTORY'} = "$projectroot/$project/objects";
 689         $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects";
 690         my %co = git_read_commit($head);
 691         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 692
 693         my $owner;
 694         if (-f $projects_list) {
 695                 open (my $fd , $projects_list);
 696                 while (my $line = <$fd>) {
 697                         chomp $line;
 698                         my ($pr, $ow) = split ' ', $line;
 699                         $pr = unescape($pr);
 700                         $ow = unescape($ow);
 701                         if ($pr eq $project) {
 702                                 $owner = $ow;
 703                                 last;
 704                         }
 705                 }
 706                 close $fd;
 707         }
 708         if (!defined $owner) {
 709                 $owner = get_file_owner("$projectroot/$project");
 710         }
 711
 712         git_header_html();
 713         print "<div class=\"page_nav\">\n" .
 714               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 715               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
 716               "<br/><br/>\n" .
 717               "</div>\n";
 718         print "<div class=\"title\">project</div>\n";
 719         print "<table cellspacing=\"0\">\n" .
 720               "<tr><td>description</td><td>" . escapeHTML($descr) . "</td></tr>\n" .
 721               "<tr><td>owner</td><td>$owner</td></tr>\n" .
 722               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
 723               "</table>\n";
 724         open my $fd, "-|", "$gitbin/git-rev-list --max-count=16 " . git_read_hash("$project/HEAD") || die_error(undef, "Open failed.");
 725         my (@revlist) = map { chomp; $_ } <$fd>;
 726         close $fd;
 727         print "<div>\n" .
 728               $cgi->a({-href => "$my_uri?p=$project;a=log", -class => "title"}, "commits") .
 729               "</div>\n";
 730         my $i = 15;
 731         print "<table cellspacing=\"0\">\n";
 732         my $alternate = 0;
 733         foreach my $commit (@revlist) {
 734                 my %co = git_read_commit($commit);
 735                 my %ad = date_str($co{'author_epoch'});
 736                 if ($alternate) {
 737                         print "<tr style=\"background-color:#f6f5ed\">\n";
 738                 } else {
 739                         print "<tr>\n";
 740                 }
 741                 $alternate ^= 1;
 742                 if (--$i > 0) {
 743                         print "<td><i>$co{'age_string'}</i></td>\n" .
 744                               "<td><i>$co{'author_name'}</i></td>\n" .
 745                               "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"}, "<b>" . escapeHTML($co{'title'}) . "</b>") . "</td>\n" .
 746                               "<td class=\"link\">" .
 747                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
 748                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
 749                               "</td>\n" .
 750                               "</tr>";
 751                 } else {
 752                         print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "...") . "</td>\n" .
 753                         "</tr>";
 754                         last;
 755                 }
 756         }
 757         print "</table\n>";
 758
 759         my $taglist = git_read_refs("refs/tags");
 760         if (defined @$taglist) {
 761                 print "<div>\n" .
 762                       $cgi->a({-href => "$my_uri?p=$project;a=tags", -class => "title"}, "tags") .
 763                       "</div>\n";
 764                 my $i = 15;
 765                 print "<table cellspacing=\"0\">\n";
 766                 my $alternate = 0;
 767                 foreach my $entry (@$taglist) {
 768                         my %tag = %$entry;
 769                         if ($alternate) {
 770                                 print "<tr style=\"background-color:#f6f5ed\">\n";
 771                         } else {
 772                                 print "<tr>\n";
 773                         }
 774                         $alternate ^= 1;
 775                         if (--$i > 0) {
 776                                 print "<td><i>$tag{'age'}</i></td>\n" .
 777                                       "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}", -class => "list"}, "<b>" . escapeHTML($tag{'name'}) . "</b>") . "</td>\n" .
 778                                       "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}"}, $tag{'type'}) . "</td>\n" .
 779                                       "</tr>";
 780                         } else {
 781                                 print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=tags"}, "...") . "</td>\n" .
 782                                 "</tr>";
 783                                 last;
 784                         }
 785                 }
 786                 print "</table\n>";
 787         }
 788
 789         my $branchlist = git_read_refs("refs/heads");
 790         if (defined @$branchlist) {
 791                 print "<div>\n" .
 792                       $cgi->a({-href => "$my_uri?p=$project;a=branches", -class => "title"}, "branches") .
 793                       "</div>\n";
 794                 my $i = 15;
 795                 print "<table cellspacing=\"0\">\n";
 796                 my $alternate = 0;
 797                 foreach my $entry (@$branchlist) {
 798                         my %tag = %$entry;
 799                         if ($alternate) {
 800                                 print "<tr style=\"background-color:#f6f5ed\">\n";
 801                         } else {
 802                                 print "<tr>\n";
 803                         }
 804                         $alternate ^= 1;
 805                         if (--$i > 0) {
 806                                 print "<td><i>$tag{'age'}</i></td>\n" .
 807                                       "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'id'}", -class => "list"}, "<b>" . escapeHTML($tag{'name'}) . "</b>") . "</td>\n" .
 808                                       "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'id'}"}, "log") . "</td>\n" .
 809                                       "</tr>";
 810                         } else {
 811                                 print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=branches"}, "...") . "</td>\n" .
 812                                 "</tr>";
 813                                 last;
 814                         }
 815                 }
 816                 print "</table\n>";
 817         }
 818         git_footer_html();
 819 }
 820
 821 sub git_tags {
 822         my $head = git_read_hash("$project/HEAD");
 823         git_header_html();
 824         print "<div class=\"page_nav\">\n" .
 825               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 826               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
 827               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
 828               "<br/><br/>\n" .
 829               "</div>\n";
 830         my $taglist = git_read_refs("refs/tags");
 831         print "<div>\n" .
 832               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "tags") .
 833               "</div>\n";
 834         print "<table cellspacing=\"0\">\n";
 835         my $alternate = 0;
 836         if (defined @$taglist) {
 837                 foreach my $entry (@$taglist) {
 838                         my %tag = %$entry;
 839                         if ($alternate) {
 840                                 print "<tr style=\"background-color:#f6f5ed\">\n";
 841                         } else {
 842                                 print "<tr>\n";
 843                         }
 844                         $alternate ^= 1;
 845                         print "<td><i>$tag{'age'}</i></td>\n" .
 846                               "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'id'}", -class => "list"}, "<b>" . escapeHTML($tag{'name'}) . "</b>") . "</td>\n" .
 847                               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}"}, $tag{'type'}) . "</td>\n" .
 848                               "</tr>";
 849                 }
 850         }
 851         print "</table\n>";
 852         git_footer_html();
 853 }
 854
 855 sub git_branches {
 856         my $head = git_read_hash("$project/HEAD");
 857         git_header_html();
 858         print "<div class=\"page_nav\">\n" .
 859               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 860               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
 861               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
 862               "<br/><br/>\n" .
 863               "</div>\n";
 864         my $taglist = git_read_refs("refs/heads");
 865         print "<div>\n" .
 866               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "branches") .
 867               "</div>\n";
 868         print "<table cellspacing=\"0\">\n";
 869         my $alternate = 0;
 870         if (defined @$taglist) {
 871                 foreach my $entry (@$taglist) {
 872                         my %tag = %$entry;
 873                         if ($alternate) {
 874                                 print "<tr style=\"background-color:#f6f5ed\">\n";
 875                         } else {
 876                                 print "<tr>\n";
 877                         }
 878                         $alternate ^= 1;
 879                         print "<td><i>$tag{'age'}</i></td>\n" .
 880                               "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'id'}", -class => "list"}, "<b>" . escapeHTML($tag{'name'}) . "</b>") . "</td>\n" .
 881                               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'id'}"}, "log") . "</td>\n" .
 882                               "</tr>";
 883                 }
 884         }
 885         print "</table\n>";
 886         git_footer_html();
 887 }
 888
 889 sub git_get_hash_by_path {
 890         my $base = shift;
 891         my $path = shift;
 892
 893         my $tree = $base;
 894         my @parts = split '/', $path;
 895         while (my $part = shift @parts) {
 896                 open my $fd, "-|", "$gitbin/git-ls-tree $tree" || die_error(undef, "Open git-ls-tree failed.");
 897                 my (@entries) = map { chomp; $_ } <$fd>;
 898                 close $fd || return undef;
 899                 foreach my $line (@entries) {
 900                         #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 901                         $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 902                         my $t_mode = $1;
 903                         my $t_type = $2;
 904                         my $t_hash = $3;
 905                         my $t_name = $4;
 906                         if ($t_name eq $part) {
 907                                 if (!(@parts)) {
 908                                         return $t_hash;
 909                                 }
 910                                 if ($t_type eq "tree") {
 911                                         $tree = $t_hash;
 912                                 }
 913                                 last;
 914                         }
 915                 }
 916         }
 917 }
 918
 919 sub git_blob {
 920         if (!defined $hash && defined $file_name) {
 921                 my $base = $hash_base || git_read_hash("$project/HEAD");
 922                 $hash = git_get_hash_by_path($base, $file_name, "blob");
 923         }
 924         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" || die_error(undef, "Open failed.");
 925         my $base = $file_name || "";
 926         git_header_html();
 927         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
 928                 print "<div class=\"page_nav\">\n" .
 929                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
 930                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
 931                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree");
 932                 if (defined $file_name) {
 933                         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base;f=$file_name"}, "history");
 934                 }
 935                 print "<br/><br/>\n" .
 936                       "</div>\n";
 937                 print "<div>" .
 938                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) .
 939                       "</div>\n";
 940         } else {
 941                 print "<div class=\"page_nav\">\n" .
 942                       "<br/><br/></div>\n" .
 943                       "<div class=\"title\">$hash</div>\n";
 944         }
 945         if (defined $file_name) {
 946                 print "<div class=\"page_path\">/$file_name</div>\n";
 947         }
 948         print "<div class=\"page_body\">\n";
 949         my $nr;
 950         while (my $line = <$fd>) {
 951                 chomp $line;
 952                 $nr++;
 953                 print "<div class=\"pre\">";
 954                 printf "<span style=\"color:#999999;\">%4i</span>", $nr;
 955                 print " " .escapeHTML($line) . "</div>\n";
 956         }
 957         close $fd || print "Reading blob failed.\n";
 958         print "</div>";
 959         git_footer_html();
 960 }
 961
 962 sub git_tree {
 963         if (!defined $hash) {
 964                 $hash = git_read_hash("$project/HEAD");
 965                 if (defined $file_name) {
 966                         my $base = $hash_base || git_read_hash("$project/HEAD");
 967                         $hash = git_get_hash_by_path($base, $file_name, "tree");
 968                 }
 969                 if (!defined $hash_base) {
 970                         $hash_base = git_read_hash("$project/HEAD");
 971                 }
 972         }
 973         open my $fd, "-|", "$gitbin/git-ls-tree $hash" || die_error(undef, "Open git-ls-tree failed.");
 974         my (@entries) = map { chomp; $_ } <$fd>;
 975         close $fd || die_error(undef, "Reading tree failed.");
 976
 977         git_header_html();
 978         my $base_key = "";
 979         my $file_key = "";
 980         my $base = "";
 981         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
 982                 $base_key = ";hb=$hash_base";
 983                 print "<div class=\"page_nav\">\n" .
 984                       $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 985                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
 986                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
 987                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree") .
 988                       "<br/><br/>\n" .
 989                       "</div>\n";
 990                 print "<div>\n" .
 991                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
 992                       "</div>\n";
 993         } else {
 994                 print "<div class=\"page_nav\">\n";
 995                 print "<br/><br/></div>\n";
 996                 print "<div class=\"title\">$hash</div>\n";
 997         }
 998         if (defined $file_name) {
 999                 $base = "$file_name/";
1000                 print "<div class=\"page_path\">/$file_name</div>\n";
1001         } else {
1002                 print "<div class=\"page_path\">/</div>\n";
1003         }
1004         print "<div class=\"page_body\">\n";
1005         print "<table cellspacing=\"0\">\n";
1006         my $alternate = 0;
1007         foreach my $line (@entries) {
1008                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1009                 $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
1010                 my $t_mode = $1;
1011                 my $t_type = $2;
1012                 my $t_hash = $3;
1013                 my $t_name = $4;
1014                 $file_key = ";f=$base$t_name";
1015                 if ($alternate) {
1016                         print "<tr style=\"background-color:#f6f5ed\">\n";
1017                 } else {
1018                         print "<tr>\n";
1019                 }
1020                 $alternate ^= 1;
1021                 print "<td style=\"font-family:monospace\">" . mode_str($t_mode) . "</td>\n";
1022                 if ($t_type eq "blob") {
1023                         print "<td class=\"list\">" .
1024                         $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key, -class => "list"}, $t_name) .
1025                         "</td>\n";
1026                         print "<td class=\"link\">" .
1027                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key}, "blob") .
1028                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base" . $file_key}, "history") .
1029                               "</td>\n";
1030                 } elsif ($t_type eq "tree") {
1031                         print "<td class=\"list\">" .
1032                               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key}, $t_name) .
1033                               "</td>\n" .
1034                               "<td></td>\n";
1035                 }
1036                 print "</tr>\n";
1037         }
1038         print "</table>\n" .
1039               "</div>";
1040         git_footer_html();
1041 }
1042
1043 sub git_rss {
1044         open my $fd, "-|", "$gitbin/git-rev-list --max-count=20 " . git_read_hash("$project/HEAD") || die_error(undef, "Open failed.");
1045         my (@revlist) = map { chomp; $_ } <$fd>;
1046         close $fd || die_error(undef, "Reading rev-list failed.");
1047
1048         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1049         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1050               "<rss version=\"0.91\">\n";
1051         print "<channel>\n";
1052         print "<title>$project</title>\n".
1053               "<link> $my_url/$project/log</link>\n".
1054               "<description>$project log</description>\n".
1055               "<language>en</language>\n";
1056
1057         foreach my $commit (@revlist) {
1058                 my %co = git_read_commit($commit);
1059                 my %ad = date_str($co{'author_epoch'});
1060                 print "<item>\n" .
1061                       "\t<title>" . sprintf("%d %s %02d:%02d", $ad{'mday'}, $ad{'month'}, $ad{'hour'}, $ad{'minute'}) . " - " . escapeHTML($co{'title'}) . "</title>\n" .
1062                       "\t<link> $my_url?p=$project;a=commit;h=$commit</link>\n" .
1063                       "\t<description>";
1064                 my $comment = $co{'comment'};
1065                 foreach my $line (@$comment) {
1066                         print escapeHTML($line) . "<br/>\n";
1067                 }
1068                 print "\t</description>\n" .
1069                       "</item>\n";
1070         }
1071         print "</channel></rss>";
1072 }
1073
1074 sub git_log {
1075         if (!defined $hash) {
1076                 $hash = git_read_hash("$project/HEAD");
1077         }
1078         my $limit_option = "";
1079         if (!defined $time_back) {
1080                 $limit_option = "--max-count=10";
1081         } elsif ($time_back > 0) {
1082                 my $date = time - $time_back*24*60*60;
1083                 $limit_option = "--max-age=$date";
1084         }
1085         open my $fd, "-|", "$gitbin/git-rev-list $limit_option $hash" || die_error(undef, "Open failed.");
1086         my (@revlist) = map { chomp; $_ } <$fd>;
1087         close $fd || die_error(undef, "Reading rev-list failed.");
1088
1089         git_header_html();
1090         print "<div class=\"page_nav\">\n";
1091         print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "last 10") . " | " .
1092               $cgi->a({-href => "$my_uri?p=$project;a=log;t=1"}, "day") . " | " .
1093               $cgi->a({-href => "$my_uri?p=$project;a=log;t=7"}, "week") . " | " .
1094               $cgi->a({-href => "$my_uri?p=$project;a=log;t=31"}, "month") . " | " .
1095               $cgi->a({-href => "$my_uri?p=$project;a=log;t=365"}, "year") . " | " .
1096               $cgi->a({-href => "$my_uri?p=$project;a=log;t=0"}, "all") . "<br/>\n";
1097         print "<br/>\n" .
1098               "</div>\n";
1099
1100         if (!@revlist) {
1101                 my %co = git_read_commit($hash);
1102                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1103         }
1104
1105         foreach my $commit (@revlist) {
1106                 my %co = git_read_commit($commit);
1107                 next if !%co;
1108                 my %ad = date_str($co{'author_epoch'});
1109                 print "<div>\n" .
1110                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "title"},
1111                       "<span class=\"age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
1112                       "</div>\n";
1113                 print "<div class=\"title_text\">\n" .
1114                       "<div class=\"log_link\">\n" .
1115                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1116                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
1117                       "<br/>\n" .
1118                       "</div>\n" .
1119                       "<i>" . escapeHTML($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1120                       "</div>\n" .
1121                       "<div class=\"log_body\">\n";
1122                 my $comment = $co{'comment'};
1123                 my $empty = 0;
1124                 foreach my $line (@$comment) {
1125                         if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1126                                 next;
1127                         }
1128                         if ($line eq "") {
1129                                 if ($empty) {
1130                                         next;
1131                                 }
1132                                 $empty = 1;
1133                         } else {
1134                                 $empty = 0;
1135                         }
1136                         print escapeHTML($line) . "<br/>\n";
1137                 }
1138                 if (!$empty) {
1139                         print "<br/>\n";
1140                 }
1141                 print "</div>\n";
1142         }
1143         git_footer_html();
1144 }
1145
1146 sub git_commit {
1147         my %co = git_read_commit($hash);
1148         if (!%co) {
1149                 die_error(undef, "Unknown commit object.");
1150         }
1151         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1152         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1153
1154         my @difftree;
1155         if (defined $co{'parent'}) {
1156                 open my $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $hash" || die_error(undef, "Open failed.");
1157                 @difftree = map { chomp; $_ } <$fd>;
1158                 close $fd || die_error(undef, "Reading diff-tree failed.");
1159         } else {
1160                 # fake git-diff-tree output for initial revision
1161                 open my $fd, "-|", "$gitbin/git-ls-tree -r $hash" || die_error(undef, "Open failed.");
1162                 @difftree = map { chomp;  "+" . $_ } <$fd>;
1163                 close $fd || die_error(undef, "Reading ls-tree failed.");
1164         }
1165         git_header_html();
1166         print "<div class=\"page_nav\">\n" .
1167               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1168               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit");
1169         if (defined $co{'parent'}) {
1170                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff");
1171         }
1172         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") . "\n" .
1173               "<br/><br/></div>\n";
1174         if (defined $co{'parent'}) {
1175                 print "<div>\n" .
1176                       $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1177                       "</div>\n";
1178         } else {
1179                 print "<div>\n" .
1180                       $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1181                       "</div>\n";
1182         }
1183         print "<div class=\"title_text\">\n" .
1184               "<table cellspacing=\"0\">\n";
1185         print "<tr><td>author</td><td>" . escapeHTML($co{'author'}) . "</td></tr>\n".
1186               "<tr>" .
1187               "<td></td><td> $ad{'rfc2822'}";
1188         if ($ad{'hour_local'} < 6) {
1189                 printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1190         } else {
1191                 printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1192         }
1193         print "</td>" .
1194               "</tr>\n";
1195         print "<tr><td>committer</td><td>" . escapeHTML($co{'committer'}) . "</td></tr>\n";
1196         print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1197         print "<tr><td>commit</td><td style=\"font-family:monospace\">$hash</td></tr>\n";
1198         print "<tr>" .
1199               "<td>tree</td>" .
1200               "<td style=\"font-family:monospace\">" . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash", class => "list"}, $co{'tree'}) . "</td>" .
1201               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
1202               "</td>" .
1203               "</tr>\n";
1204         my $parents  = $co{'parents'};
1205         foreach my $par (@$parents) {
1206                 print "<tr>" .
1207                       "<td>parent</td>" .
1208                       "<td style=\"font-family:monospace\">" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par", class => "list"}, $par) . "</td>" .
1209                       "<td class=\"link\">" .
1210                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, "commit") .
1211                       " |" . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash;hp=$par"}, "commitdiff") .
1212                       "</td>" .
1213                       "</tr>\n";
1214         }
1215         print "</table>".
1216               "</div>\n";
1217         print "<div class=\"page_body\">\n";
1218         my $comment = $co{'comment'};
1219         my $empty = 0;
1220         my $signed = 0;
1221         foreach my $line (@$comment) {
1222                 # print only one empty line
1223                 if ($line eq "") {
1224                         if ($empty || $signed) {
1225                                 next;
1226                         }
1227                         $empty = 1;
1228                 } else {
1229                         $empty = 0;
1230                 }
1231                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1232                         $signed = 1;
1233                         print "<span style=\"color: #888888\">" . escapeHTML($line) . "</span><br/>\n";
1234                 } else {
1235                         $signed = 0;
1236                         print escapeHTML($line) . "<br/>\n";
1237                 }
1238         }
1239         print "</div>\n";
1240         print "<div class=\"list_head\">\n";
1241         if ($#difftree > 10) {
1242                 print(($#difftree + 1) . " files changed:\n");
1243         }
1244         print "</div>\n";
1245         print "<table cellspacing=\"0\">\n";
1246         my $alternate = 0;
1247         foreach my $line (@difftree) {
1248                 # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
1249                 # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
1250                 # '*100664->100644      blob    b1a8e3dd5556b61dd771d32307c6ee5d7150fa43->b1a8e3dd5556b61dd771d32307c6ee5d7150fa43      show-files.c'
1251                 # '*100664->100644      blob    d08e895238bac36d8220586fdc28c27e1a7a76d3->d08e895238bac36d8220586fdc28c27e1a7a76d3      update-cache.c'
1252                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
1253                 my $op = $1;
1254                 my $mode = $2;
1255                 my $type = $3;
1256                 my $id = $4;
1257                 my $file = $5;
1258                 if ($type ne "blob") {
1259                         next;
1260                 }
1261                 if ($alternate) {
1262                         print "<tr style=\"background-color:#f6f5ed\">\n";
1263                 } else {
1264                         print "<tr>\n";
1265                 }
1266                 $alternate ^= 1;
1267                 print "<tr$alternate>\n";
1268                 if ($op eq "+") {
1269                         my $mode_chng = "";
1270                         if (S_ISREG(oct $mode)) {
1271                                 $mode_chng = sprintf(" with mode: %04o", (oct $mode) & 0777);
1272                         }
1273                         print "<td>" .
1274                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hp=$hash;f=$file", -class => "list"}, escapeHTML($file)) . "</td>\n" .
1275                               "<td><span style=\"color: #008000;\">[new " . file_type($mode) . "$mode_chng]</span></td>\n" .
1276                               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, "blob") . "</td>\n";
1277                 } elsif ($op eq "-") {
1278                         print "<td>" .
1279                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file)) . "</td>\n" .
1280                               "<td><span style=\"color: #c00000;\">[deleted " . file_type($mode). "]</span></td>\n" .
1281                               "<td class=\"link\">" .
1282                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, "blob") .
1283                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") .
1284                               "</td>\n"
1285                 } elsif ($op eq "*") {
1286                         $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
1287                         my $from_id = $1;
1288                         my $to_id = $2;
1289                         $mode =~ m/^([0-7]{6})->([0-7]{6})$/;
1290                         my $from_mode = $1;
1291                         my $to_mode = $2;
1292                         my $mode_chnge = "";
1293                         if ($from_mode != $to_mode) {
1294                                 $mode_chnge = " <span style=\"color: #777777;\">[changed";
1295                                 if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
1296                                         $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
1297                                 }
1298                                 if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
1299                                         if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
1300                                                 $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
1301                                         } elsif (S_ISREG($to_mode)) {
1302                                                 $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
1303                                         }
1304                                 }
1305                                 $mode_chnge .= "]</span>\n";
1306                         }
1307                         print "<td>";
1308                         if ($to_id ne $from_id) {
1309                                 print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file));
1310                         } else {
1311                                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file));
1312                         }
1313                         print "</td>\n" .
1314                               "<td>$mode_chnge</td>\n" .
1315                               "<td class=\"link\">";
1316                         print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "blob");
1317                         if ($to_id ne $from_id) {
1318                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"}, "diff");
1319                         }
1320                         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n";
1321                         print "</td>\n";
1322                 }
1323                 print "</tr>\n";
1324         }
1325         print "</table>\n";
1326         git_footer_html();
1327 }
1328
1329 sub git_blobdiff {
1330         mkdir($gittmp, 0700);
1331         git_header_html();
1332         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1333                 print "<div class=\"page_nav\">\n" .
1334                       $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1335                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1336                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1337                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree");
1338                         if (defined $file_name) {
1339                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base;f=$file_name"}, "history");
1340                         }
1341                 print "<br/><br/>\n" .
1342                       "</div>\n";
1343                 print "<div>\n" .
1344                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1345                       "</div>\n";
1346         } else {
1347                 print "<div class=\"page_nav\">\n" .
1348                       "<br/><br/></div>\n" .
1349                       "<div class=\"title\">$hash vs $hash_parent</div>\n";
1350         }
1351         if (defined $file_name) {
1352                 print "<div class=\"page_path\">\n" .
1353                       "/$file_name\n" .
1354                       "</div>\n";
1355         }
1356         print "<div class=\"page_body\">\n" .
1357               "<div class=\"diff_info\">blob:" .
1358               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name"}, $hash_parent) .
1359               " -> blob:" .
1360               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name"}, $hash) .
1361               "</div>\n";
1362         git_diff_html($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
1363         print "</div>";
1364         git_footer_html();
1365 }
1366
1367 sub git_commitdiff {
1368         mkdir($gittmp, 0700);
1369         my %co = git_read_commit($hash);
1370         if (!%co) {
1371                 die_error(undef, "Unknown commit object.");
1372         }
1373         if (!defined $hash_parent) {
1374                 $hash_parent = $co{'parent'};
1375         }
1376         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" || die_error(undef, "Open failed.");
1377         my (@difftree) = map { chomp; $_ } <$fd>;
1378         close $fd || die_error(undef, "Reading diff-tree failed.");
1379
1380         git_header_html();
1381         print "<div class=\"page_nav\">\n" .
1382               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1383               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1384               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
1385               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" .  $co{'tree'} . ";hb=$hash"}, "tree") .
1386               "<br/><br/></div>\n";
1387         print "<div>\n" .
1388               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1389               "</div>\n";
1390         print "<div class=\"page_body\">\n";
1391         my $comment = $co{'comment'};
1392         my $empty = 0;
1393         my $signed = 0;
1394         my @log = @$comment;
1395         # remove first and empty lines after that
1396         shift @log;
1397         while (defined $log[0] && $log[0] eq "") {
1398                 shift @log;
1399         }
1400         foreach my $line (@log) {
1401                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1402                         next;
1403                 }
1404                 if ($line eq "") {
1405                         if ($empty) {
1406                                 next;
1407                         }
1408                         $empty = 1;
1409                 } else {
1410                         $empty = 0;
1411                 }
1412                 print escapeHTML($line) . "<br/>\n";
1413         }
1414         print "<br/>\n";
1415         foreach my $line (@difftree) {
1416                 # '*100644->100644      blob    8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154      Makefile'
1417                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
1418                 my $op = $1;
1419                 my $mode = $2;
1420                 my $type = $3;
1421                 my $id = $4;
1422                 my $file = $5;
1423                 if ($type eq "blob") {
1424                         if ($op eq "+") {
1425                                 print "<div class=\"diff_info\">" .  file_type($mode) . ":" .
1426                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, $id) . "(new)" .
1427                                       "</div>\n";
1428                                 git_diff_html(undef, "/dev/null", $id, "b/$file");
1429                         } elsif ($op eq "-") {
1430                                 print "<div class=\"diff_info\">" . file_type($mode) . ":" .
1431                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, $id) . "(deleted)" .
1432                                       "</div>\n";
1433                                 git_diff_html($id, "a/$file", undef, "/dev/null");
1434                         } elsif ($op eq "*") {
1435                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
1436                                 my $from_id = $1;
1437                                 my $to_id = $2;
1438                                 $mode =~ m/([0-7]+)->([0-7]+)/;
1439                                 my $from_mode = $1;
1440                                 my $to_mode = $2;
1441                                 if ($from_id ne $to_id) {
1442                                         print "<div class=\"diff_info\">" .
1443                                               file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) .
1444                                               " -> " .
1445                                               file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id);
1446                                         print "</div>\n";
1447                                         git_diff_html($from_id, "a/$file",  $to_id, "b/$file");
1448                                 }
1449                         }
1450                 }
1451         }
1452         print "<br/>\n" .
1453               "</div>";
1454         git_footer_html();
1455 }
1456
1457 sub git_history {
1458         if (!defined $hash) {
1459                 $hash = git_read_hash("$project/HEAD");
1460         }
1461         my %co = git_read_commit($hash);
1462         if (!%co) {
1463                 die_error(undef, "Unknown commit object.");
1464         }
1465         git_header_html();
1466         print "<div class=\"page_nav\">\n" .
1467               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | " .
1468               $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") . " | " .
1469               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
1470               "<br/><br/>\n" .
1471               "</div>\n";
1472         print "<div>\n" .
1473               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1474               "</div>\n";
1475         print "<div class=\"page_path\">\n" .
1476               "/$file_name<br/>\n";
1477         print "</div>\n";
1478
1479         open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin $file_name";
1480         my $commit;
1481         print "<table cellspacing=\"0\">\n";
1482         my $alternate = 0;
1483         while (my $line = <$fd>) {
1484                 if ($line =~ m/^([0-9a-fA-F]{40}) /){
1485                         $commit = $1;
1486                         next;
1487                 }
1488                 if ($line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/ && (defined $commit)) {
1489                         my $type = $3;
1490                         my $file = $5;
1491                         if ($file ne $file_name || $type ne "blob") {
1492                                 next;
1493                         }
1494                         my %co = git_read_commit($commit);
1495                         if (!%co) {
1496                                 next;
1497                         }
1498                         if ($alternate) {
1499                                 print "<tr style=\"background-color:#f6f5ed\">\n";
1500                         } else {
1501                                 print "<tr>\n";
1502                         }
1503                         $alternate ^= 1;
1504                         print "<td><i>$co{'age_string'}</i></td>\n" .
1505                               "<td><i>$co{'author_name'}</i></td>\n" .
1506                               "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"}, "<b>" . escapeHTML($co{'title'}) . "</b>") . "</td>\n" .
1507                               "<td class=\"link\">" .
1508                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1509                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" .  $co{'tree'} . ";hb=$commit"}, "tree") .
1510                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=blob;hb=$commit;f=$file"}, "blob");
1511                         my $blob = git_get_hash_by_path($hash, $file_name);
1512                         my $blob_parent = git_get_hash_by_path($commit, $file_name);
1513                         if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
1514                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file"}, "diff");
1515                         }
1516                         print "</td>\n" .
1517                               "</tr>\n";
1518                         undef $commit;
1519                 }
1520         }
1521         print "</table>\n";
1522         close $fd;
1523         git_footer_html();
1524 }