gitweb.pl

   1 #!/usr/bin/perl
   2
   3 # gitweb.pl - simple web interface to track changes in git repositories
   4 #
   5 # Version 025
   6 #
   7 # (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
   8 # (C) 2005, Christian Gierke <ch@gierke.de>
   9 #
  10 # This file is licensed under the GPL v2, or a later version
  11
  12 use strict;
  13 use warnings;
  14 use CGI qw(:standard :escapeHTML);
  15 use CGI::Carp qw(fatalsToBrowser);
  16
  17 my $cgi = new CGI;
  18
  19 my $projectroot =       "/home/kay/public_html";
  20 my $defaultprojects =   ".";
  21 my $gitbin =            "/home/kay/bin/git";
  22 my $gittmp =            "/tmp";
  23 my $my_url =            $cgi->url();
  24 my $my_uri =            $cgi->url(-absolute => 1);
  25 my $my_url_parm =       $cgi->url(-path => 1);
  26 $my_url_parm =~ s/.*$my_uri//;
  27
  28 my $project = "";
  29 my $action = "";
  30 my $hash = "";
  31 my $hash_parent = "";
  32 my $view_back = 1;
  33
  34 # get values from url
  35 if ($my_url_parm =~ m#/(.+)/commit/([0-9a-fA-F]+)$#) {
  36         $project = $1;
  37         $action = "commit";
  38         $hash = $2;
  39 } elsif ($my_url_parm =~ m#/(.+)/commitdiff/([0-9a-fA-F]+)$#) {
  40         $project = $1;
  41         $action = "commitdiff";
  42         $hash = $2;
  43 } elsif ($my_url_parm =~ m#/(.+)/blobdiff/([0-9a-fA-F]+)/([0-9a-fA-F]+)$#) {
  44         $project = $1;
  45         $action = "blobdiff";
  46         $hash = $2;
  47         $hash_parent = $3;
  48 } elsif ($my_url_parm =~ m#/(.+)/blob/([0-9a-fA-F]+)$#) {
  49         $project = $1;
  50         $action = "blob";
  51         $hash = $2;
  52 } elsif ($my_url_parm =~ m#/(.+)/tree/([0-9a-fA-F]+)$#) {
  53         $project = $1;
  54         $action = "tree";
  55         $hash = $2;
  56 } elsif ($my_url_parm =~ m#/(.+)/log/([0-9]+)$#) {
  57         $project = $1;
  58         $action = "log";
  59         $view_back = $2;
  60 } elsif ($my_url_parm =~ m#/(.+)/log$#) {
  61         $project = $1;
  62         $action = "log";
  63         $view_back = 1;
  64 } elsif ($my_url_parm =~ m#/(.+)/rss$#) {
  65         $project = $1;
  66         $action = "rss";
  67         $view_back = 1;
  68 } elsif ($my_url_parm =~ m#/git-logo.png$#) {
  69         print $cgi->header(-type => 'image/png', -expires => '+1d');
  70         print   "\211\120\116\107\015\012\032\012\000\000\000\015\111\110\104\122".
  71                 "\000\000\000\110\000\000\000\033\004\003\000\000\000\055\331\324".
  72                 "\055\000\000\000\030\120\114\124\105\377\377\377\140\140\135\260".
  73                 "\257\252\000\200\000\316\315\307\300\000\000\350\350\346\367\367".
  74                 "\366\225\014\247\107\000\000\000\163\111\104\101\124\050\317\143".
  75                 "\110\147\040\004\112\134\030\012\010\052\142\123\141\040\002\010".
  76                 "\015\151\105\254\241\241\001\060\014\223\140\066\046\122\221\261".
  77                 "\001\021\326\341\125\144\154\154\314\154\154\014\242\014\160\052".
  78                 "\142\006\052\301\142\035\263\001\002\123\244\010\350\000\003\030".
  79                 "\046\126\021\324\341\040\227\033\340\264\016\065\044\161\051\202".
  80                 "\231\060\270\223\012\021\271\105\210\301\215\240\242\104\041\006".
  81                 "\047\101\202\100\205\301\105\211\040\160\001\000\244\075\041\305".
  82                 "\022\034\232\376\000\000\000\000\111\105\116\104\256\102\140\202";
  83         exit;
  84 } elsif ($my_url_parm =~ m#/(.+)$#) {
  85         $project = $1;
  86         $action = "log";
  87         $view_back = 1;
  88 }
  89
  90 # sanitize input
  91 $project =~ s#\/\.+##g;
  92
  93 $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/.git/objects";
  94
  95 sub git_header_html {
  96         print $cgi->header(-type => 'text/html', -charset => 'utf-8');
  97 print <<EOF;
  98 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
  99 <html>
 100 <head>
 101         <title>git - $project $action</title>
 102         <link rel="alternate" title="$project log" href="$my_uri/$project/rss" type="application/rss+xml"/>
 103         <style type="text/css">
 104                 body { font-family: sans-serif; font-size: 12px; margin:25px; }
 105                 div.body { border-width:1px; border-style:solid; border-color:#D9D8D1; }
 106                 div.head1 { font-size:20px; padding:8px; background-color: #D9D8D1; font-weight:bold; }
 107                 div.head1 a:visited { color:#0000cc; }
 108                 div.head1 a:hover { color:#880000; }
 109                 div.head1 a:active { color:#880000; }
 110                 div.head2 { padding:8px; }
 111                 div.head2 a:visited { color:#0000cc; }
 112                 div.head2 a:hover { color:#880000; }
 113                 div.head2 a:active { color:#880000; }
 114                 div.title { padding:8px; background-color: #D9D8D1; font-weight:bold; }
 115                 div.title a { color:#000000; text-decoration:none; }
 116                 div.title a:hover { color:#880000; text-decoration:underline; }
 117                 div.title a:visited { color:#000000; }
 118                 table { padding:0px; margin:0px; width:100%; }
 119                 tr { vertical-align:top; }
 120                 td { padding:8px; margin:0px; font-family: sans-serif; font-size: 12px; }
 121                 td.head1 { background-color: #D9D8D1; font-weight:bold; }
 122                 td.head1 a { color:#000000; text-decoration:none; }
 123                 td.head1 a:hover { color:#880000; text-decoration:underline; }
 124                 td.head1 a:visited { color:#000000; }
 125                 td.head2 { background-color: #EDECE6; font-family: monospace; font-size:12px; }
 126                 td.head3 { background-color: #EDECE6; font-size:10px; }
 127                 div.signed_off { color: #a9a8a1; }
 128                 a { color:#0000cc; }
 129                 a:hover { color:#880000; }
 130                 a:visited { color:#880000; }
 131                 a:active { color:#880000; }
 132                 pre { padding:8px; }
 133         </style>
 134 </head>
 135 <body>
 136 EOF
 137         print "<div class=\"body\">\n";
 138         print "<div class=\"head1\">";
 139         print "<a href=\"http://kernel.org/pub/software/scm/git/\">" .
 140               "<img src=\"$my_uri/git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
 141         if ($defaultprojects ne "") {
 142                 print $cgi->a({-href => "$my_uri"}, "projects") . " / ";
 143         }
 144         if ($project ne "") {
 145                 print $cgi->a({-href => "$my_uri/$project/log"}, $project);
 146         }
 147         if ($action ne "") {
 148                 print " / $action";
 149         }
 150         print "</div>\n";
 151 }
 152
 153 sub git_footer_html {
 154         print "</div>";
 155         print $cgi->end_html();
 156 }
 157
 158 sub git_head {
 159         open my $fd, "$projectroot/$project/.git/HEAD";
 160         my $head = <$fd>;
 161         close $fd;
 162         chomp $head;
 163         return $head;
 164 }
 165
 166 sub git_commit {
 167         my $commit = shift;
 168         my %co;
 169         my @parents;
 170
 171         open my $fd, "-|", "$gitbin/cat-file", "commit", $commit;
 172         while (my $line = <$fd>) {
 173                 chomp($line);
 174                 last if $line eq "";
 175                 if ($line =~ m/^tree (.*)$/) {
 176                         $co{'tree'} = $1;
 177                 } elsif ($line =~ m/^parent (.*)$/) {
 178                         push @parents, $1;
 179                 } elsif ($line =~ m/^committer (.*>) ([0-9]+) (.*)$/) {
 180                         $co{'committer'} = $1;
 181                         $co{'committer_time'} = $2;
 182                         $co{'committer_timezone'} = $3;
 183                 } elsif ($line =~ m/^author (.*>) ([0-9]+) (.*)$/) {
 184                         $co{'author'} = $1;
 185                         $co{'author_time'} = $2;
 186                         $co{'author_timezone'} = $3;
 187                 }
 188         }
 189         $co{'parents'} = \@parents;
 190         $co{'parent'} = $parents[0];
 191         my (@comment) = map { chomp; $_ } <$fd>;
 192         $co{'comment'} = \@comment;
 193         $co{'title'} = $comment[0];
 194         close $fd;
 195         return %co;
 196 }
 197
 198 sub git_diff {
 199         my $old_name = shift || "/dev/null";
 200         my $new_name = shift || "/dev/null";
 201         my $old = shift;
 202         my $new = shift;
 203
 204         my $tmp_old = "/dev/null";
 205         my $tmp_new = "/dev/null";
 206         my $old_label = "/dev/null";
 207         my $new_label = "/dev/null";
 208
 209         # create temp from-file
 210         if ($old ne "") {
 211                 open my $fd2, "> $gittmp/$old";
 212                 open my $fd, "-|", "$gitbin/cat-file", "blob", $old;
 213                 while (my $line = <$fd>) {
 214                         print $fd2 $line;
 215                 }
 216                 close $fd2;
 217                 close $fd;
 218                 $tmp_old = "$gittmp/$old";
 219                 $old_label = "a/$old_name";
 220         }
 221
 222         # create tmp to-file
 223         if ($new ne "") {
 224                 open my $fd2, "> $gittmp/$new";
 225                 open my $fd, "-|", "$gitbin/cat-file", "blob", $new;
 226                 while (my $line = <$fd>) {
 227                         print $fd2 $line;
 228                 }
 229                 close $fd2;
 230                 close $fd;
 231                 $tmp_new = "$gittmp/$new";
 232                 $new_label = "b/$new_name";
 233         }
 234
 235         open my $fd, "-|", "/usr/bin/diff", "-L", $old_label, "-L", $new_label, "-u", "-p", $tmp_old, $tmp_new;
 236         print "<span style =\"color: #000099;\">===== ";
 237         if ($old ne "") {
 238                 print $cgi->a({-href => "$my_uri/$project/blob/$old"}, $old);
 239         } else {
 240                 print $old_name;
 241         }
 242         print " vs ";
 243         if ($new ne "") {
 244                 print $cgi->a({-href => "$my_uri/$project/blob/$new"}, $new);
 245         } else {
 246                 print $new_name;
 247         }
 248         print " =====</span>\n";
 249         while (my $line = <$fd>) {
 250                 my $char = substr($line,0,1);
 251                 print '<span style ="color: #008800;">' if $char eq '+';
 252                 print '<span style ="color: #CC0000;">' if $char eq '-';
 253                 print '<span style ="color: #990099;">' if $char eq '@';
 254                 print escapeHTML($line);
 255                 print '</span>' if $char eq '+' or $char eq '-' or $char eq '@';
 256         }
 257         close $fd;
 258         unlink("$gittmp/$new");
 259         unlink("$gittmp/$old");
 260 }
 261
 262 if ($project eq "") {
 263         opendir(my $fd, "$projectroot/$defaultprojects");
 264         my (@path) = grep(!/^\./, readdir($fd));
 265         closedir($fd);
 266         git_header_html();
 267         print "<div class=\"head2\">\n";
 268         print "<br/><br/>\n";
 269         foreach my $line (@path) {
 270                 if (-e "$projectroot/$defaultprojects/$line/.git/HEAD") {
 271                         print $cgi->a({-href => "$my_uri/$defaultprojects/$line/log"}, $line) . "<br/>\n";
 272                 }
 273         }
 274         print "</div><br/>";
 275         git_footer_html();
 276         exit;
 277 }
 278
 279 if ($action eq "blob") {
 280         git_header_html();
 281         print "<br/><br/>\n";
 282         print "<pre>\n";
 283         open my $fd, "-|", "$gitbin/cat-file", "blob", $hash;
 284         my $nr;
 285         while (my $line = <$fd>) {
 286                 $nr++;
 287                 print "$nr\t" . escapeHTML($line);;
 288         }
 289         close $fd;
 290         print "</pre>\n";
 291         print "<br/>";
 292         git_footer_html();
 293 } elsif ($action eq "tree") {
 294         if ($hash eq "") {
 295                 $hash = git_head();
 296         }
 297         open my $fd, "-|", "$gitbin/ls-tree", $hash;
 298         my (@entries) = map { chomp; $_ } <$fd>;
 299         close $fd;
 300         git_header_html();
 301         print "<br/><br/>\n";
 302         print "<pre>\n";
 303         foreach my $line (@entries) {
 304                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 305                 $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 306                 my $t_type = $2;
 307                 my $t_hash = $3;
 308                 my $t_name = $4;
 309                 if ($t_type eq "blob") {
 310                         print "BLOB\t" . $cgi->a({-href => "$my_uri/$project/blob/$3"}, $4) . "\n";
 311                 } elsif ($t_type eq "tree") {
 312                         print "TREE\t" . $cgi->a({-href => "$my_uri/$project/tree/$3"}, $4) . "\n";
 313                 }
 314         }
 315         print "</pre>\n";
 316         print "<br/>";
 317         git_footer_html();
 318 } elsif ($action eq "log" || $action eq "rss") {
 319         open my $fd, "-|", "$gitbin/rev-tree", git_head();
 320         my (@revtree) = reverse sort map { chomp; $_ } <$fd>;
 321         close $fd;
 322
 323         if ($action eq "log") {
 324                 git_header_html();
 325                 print "<div class=\"head2\">\n";
 326                 print "view  ";
 327                 print $cgi->a({-href => "$my_uri/$project/log"}, "last day") . " | ";
 328                 print $cgi->a({-href => "$my_uri/$project/log/7"}, "week") . " | ";
 329                 print $cgi->a({-href => "$my_uri/$project/log/31"}, "month") . " | ";
 330                 print $cgi->a({-href => "$my_uri/$project/log/365"}, "year") . " | ";
 331                 print $cgi->a({-href => "$my_uri/$project/log/0"}, "all") . "<br/>\n";
 332                 print "<br/><br/>\n";
 333                 print "</div>\n";
 334                 print "<table cellspacing=\"0\" class=\"log\">\n";
 335         } elsif ($action eq "rss") {
 336                 print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
 337                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
 338                       "<rss version=\"0.91\">\n";
 339                 print "<channel>\n";
 340                 print "<title>$project</title>\n".
 341                       "<link> " . $my_url . "/$project/log</link>\n".
 342                       "<description>$project log</description>\n".
 343                       "<language>en</language>\n";
 344         }
 345
 346         for (my $i = 0; $i <= $#revtree; $i++) {
 347                 my $rev = $revtree[$i];
 348                 # '1114106118 755e3010ee10dadf42a8a80770e1b115fb038d9b:1 2af17b4854036a1c2ec6c101d93c8dd1ed80d24e:1'
 349                 last if !($rev =~ m/^([0-9]+) ([0-9a-fA-F]+).* ([0-9a-fA-F]+)/);
 350                 my $time = $1;
 351                 my $commit = $2;
 352                 my $parent = $3;
 353
 354                 my %co = git_commit($commit);
 355                 my $age = time - $co{'committer_time'};
 356                 my $age_string;
 357                 if ($age > 60*60*24*365*2) {
 358                         $age_string = int $age/60/60/24/365;
 359                         $age_string .= " years ago";
 360                 } elsif ($age > 60*60*24*365/12*2) {
 361                         $age_string = int $age/60/60/24/365/12;
 362                         $age_string .= " months ago";
 363                 } elsif ($age > 60*60*24*7*2) {
 364                         $age_string = int $age/60/60/24/7;
 365                         $age_string .= " weeks ago";
 366                 } elsif ($age > 60*60*24*2) {
 367                         $age_string = int $age/60/60/24;
 368                         $age_string .= " days ago";
 369                 } elsif ($age > 60*60*2) {
 370                         $age_string = int $age/60/60;
 371                         $age_string .= " hours ago";
 372                 } elsif ($age > 60*2) {
 373                         $age_string = int $age/60;
 374                         $age_string .= " minutes ago";
 375                 }
 376                 if ($action eq "log") {
 377                         if ($view_back > 0 && $age > $view_back*60*60*24) {
 378                                 if ($i == 0) {
 379                                         print "<tr>\n";
 380                                         print "<td class=\"head1\"> Last change $age_string. </td>\n";
 381                                         print "</tr>\n";
 382                                 }
 383                                 last;
 384                         }
 385                         print "<tr>\n";
 386                         print "<td class=\"head1\">" . $age_string . "</td>\n";
 387                         print "<td class=\"head1\">" . $cgi->a({-href => "$my_uri/$project/commit/$commit"}, $co{'title'}) . "</td>";
 388                         print "</tr>\n";
 389                         print "<tr>\n";
 390                         print "<td class=\"head3\">";
 391                         print $cgi->a({-href => "$my_uri/$project/commit/$commit"}, "view commit") . "<br/>\n";
 392                         print $cgi->a({-href => "$my_uri/$project/commitdiff/$commit"}, "view diff") . "<br/>\n";
 393                         print "</td>\n";
 394                         print "<td class=\"head2\">\n";
 395                         print "author &nbsp; &nbsp;" . escapeHTML($co{'author'}) . " [" . gmtime($co{'author_time'}) . " " . $co{'author_timezone'} . "]<br/>\n";
 396                         print "committer " . escapeHTML($co{'committer'}) . " [" . gmtime($co{'committer_time'}) . " " . $co{'committer_timezone'} . "]<br/>\n";
 397                         print "</td>";
 398                         print "</tr>\n";
 399                         print "<tr>\n";
 400                         print "<td></td>\n";
 401                         print "<td>\n";
 402                         my $comment = $co{'comment'};
 403                         foreach my $line (@$comment) {
 404                                 if ($line =~ m/signed-off-by:/i) {
 405                                         print '<div class="signed_off">' . escapeHTML($line) . "<br/></div>\n";
 406                                 } else {
 407                                         print escapeHTML($line) . "<br/>\n";
 408                                 }
 409                         }
 410                         print "<br/><br/>\n";
 411                         print "</td>";
 412                         print "</tr>\n";
 413                 } elsif ($action eq "rss") {
 414                         last if ($i >= 20);
 415                         my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday) = gmtime($co{'author_time'});
 416                         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 417                         print "<item>\n\t<title>";
 418                         printf("%s %02d, %02d:%02d - ", $months[$mon], $mday, $hour, $min);
 419                         print escapeHTML($co{'title'}) . "</title>\n";
 420                         print "\t<link> " . $my_url . "/$project/commit/$commit</link>\n";
 421                         print "\t<description>";
 422                         my $comment = $co{'comment'};
 423                         foreach my $line (@$comment) {
 424                                 print escapeHTML($line) . "\n";
 425                         }
 426                         print "\t</description>\n";
 427                         print "</item>\n";
 428                 }
 429         }
 430         if ($action eq "log") {
 431                 print "</table>\n";
 432                 git_footer_html();
 433         } elsif ($action eq "rss") {
 434                 print "</channel></rss>";
 435         }
 436 } elsif ($action eq "commit") {
 437         my %co = git_commit($hash);
 438         open my $fd, "-|", "$gitbin/diff-tree", "-r", $co{'parent'}, $hash;
 439         my (@difftree) = map { chomp; $_ } <$fd>;
 440         close $fd;
 441
 442         git_header_html();
 443         print "<div class=\"head2\"> view\n";
 444         print $cgi->a({-href => "$my_uri/$project/commit/$hash"}, "commit") . " | ";
 445         print $cgi->a({-href => "$my_uri/$project/commitdiff/$hash"}, "diff");
 446         print "</div><br/><br/>\n";
 447         print "<div class=\"title\">" . $cgi->a({-href => "$my_uri/$project/commitdiff/$hash"}, $co{'title'}) . "<br/></div>\n";
 448         print "<table cellspacing=\"0\" class=\"log\">\n";
 449         print "<tr>\n";
 450         print "<td class=\"head2\">";
 451         print "author &nbsp; &nbsp;" . escapeHTML($co{'author'}) . " [" . gmtime($co{'author_time'}) . " " . $co{'author_timezone'} . "]<br/>\n";
 452         print "committer " . escapeHTML($co{'committer'}) . " [" . gmtime($co{'committer_time'}) . " " . $co{'committer_timezone'} . "]<br/>\n";
 453         print "commit &nbsp; &nbsp;$hash<br/>\n";
 454         print "tree &nbsp; &nbsp; &nbsp;" . $cgi->a({-href => "$my_uri/$project/tree/$co{'tree'}"}, $co{'tree'}) . "<br/>\n";
 455         my $parents  = $co{'parents'};
 456         foreach my $par (@$parents) {
 457                 print "parent &nbsp; &nbsp;" . $cgi->a({-href => "$my_uri/$project/tree/$par"}, $par) . "<br/>\n";
 458         }
 459         print "</td>";
 460         print "</tr>\n";
 461         print "<tr>\n";
 462         print "<td>\n";
 463         my $comment = $co{'comment'};
 464         foreach my $line (@$comment) {
 465                 if ($line =~ m/signed-off-by:/i) {
 466                         print '<div class="signed_off">' . escapeHTML($line) . "<br/></div>\n";
 467                 } else {
 468                         print escapeHTML($line) . "<br/>\n";
 469                 }
 470         }
 471         print "<br/><br/>\n";
 472         print "</td>";
 473         print "</tr>\n";
 474         print "</table>";
 475
 476         print "<pre>\n";
 477         foreach my $line (@difftree) {
 478                 # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
 479                 # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
 480                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 481                 my $op = $1;
 482                 my $mode = $2;
 483                 my $type = $3;
 484                 my $id = $4;
 485                 my $file = $5;
 486                 if ($type eq "blob") {
 487                         if ($op eq "+") {
 488                                 print "added\t" . $cgi->a({-href => "$my_uri/$project/blob/$id"}, $file) . "\n";
 489                         } elsif ($op eq "-") {
 490                                 print "removed\t" . $cgi->a({-href => "$my_uri/$project/blob/$id"}, $file) . "\n";
 491                         } elsif ($op eq "*") {
 492                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 493                                 my $old = $1;
 494                                 my $new = $2;
 495                                 print "changed\t" . $cgi->a({-href => "$my_uri/$project/blobdiff/$old/$new"}, $file) . "\n";
 496                         }
 497                 }
 498         }
 499         print "</pre>\n";
 500         print "<br/>";
 501         git_footer_html();
 502 } elsif ($action eq "blobdiff") {
 503         git_header_html();
 504         print "<br/><br/>\n";
 505         print "<pre>\n";
 506         git_diff($hash, $hash_parent, $hash, $hash_parent);
 507         print "</pre>\n";
 508         print "<br/>";
 509         git_footer_html();
 510 } elsif ($action eq "commitdiff") {
 511         my %co = git_commit($hash);
 512         open my $fd, "-|", "$gitbin/diff-tree", "-r", $co{'parent'}, $hash;
 513         my (@difftree) = map { chomp; $_ } <$fd>;
 514         close $fd;
 515
 516         git_header_html();
 517         print "<div class=\"head2\"> view\n";
 518         print $cgi->a({-href => "$my_uri/$project/commit/$hash"}, "commit") . " | ";
 519         print $cgi->a({-href => "$my_uri/$project/commitdiff/$hash"}, "diff");
 520         print "</div><br/><br/>\n";
 521         print "<div class=\"title\">" . $cgi->a({-href => "$my_uri/$project/commit/$hash"}, $co{'title'}) . "<br/></div>\n";
 522         print "<pre>\n";
 523         foreach my $line (@difftree) {
 524                 # '*100644->100644      blob    8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154      Makefile'
 525                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 526                 my $op = $1;
 527                 my $mode = $2;
 528                 my $type = $3;
 529                 my $id = $4;
 530                 my $file = $5;
 531                 if ($type eq "blob") {
 532                         if ($op eq "+") {
 533                                 git_diff("", $file, "", $id);
 534                         } elsif ($op eq "-") {
 535                                 git_diff($file, "", $id, "");
 536                         } elsif ($op eq "*") {
 537                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 538                                 git_diff($file, $file, $1, $2);
 539                         }
 540                 }
 541         }
 542         print "</pre>\n";
 543         print "<br/>";
 544         git_footer_html();
 545 }