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

   1 #!/usr/bin/perl
   2
   3 # gitweb.pl - simple web interface to track changes in git repositories
   4 #
   5 # Version 031
   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>\n";
 155         print "</body>\n</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_html {
 199         my $from_name = shift || "/dev/null";
 200         my $to_name = shift || "/dev/null";
 201         my $from = shift;
 202         my $to = shift;
 203
 204         my $from_tmp = "/dev/null";
 205         my $to_tmp = "/dev/null";
 206         my $from_label = "/dev/null";
 207         my $to_label = "/dev/null";
 208         my $pid = $$;
 209
 210         # create temp from-file
 211         if ($from ne "") {
 212                 $from_tmp = "$gittmp/gitweb_" . $$ . "_from";
 213                 open my $fd2, "> $from_tmp";
 214                 open my $fd, "-|", "$gitbin/cat-file", "blob", $from;
 215                 my @file = <$fd>;
 216                 print $fd2 @file;
 217                 close $fd2;
 218                 close $fd;
 219                 $from_label = "a/$from_name";
 220         }
 221
 222         # create tmp to-file
 223         if ($to ne "") {
 224                 $to_tmp = "$gittmp/gitweb_" . $$ . "_to";
 225                 open my $fd2, "> $to_tmp";
 226                 open my $fd, "-|", "$gitbin/cat-file", "blob", $to;
 227                 my @file = <$fd>;
 228                 print $fd2 @file;
 229                 close $fd2;
 230                 close $fd;
 231                 $to_label = "b/$to_name";
 232         }
 233
 234         open my $fd, "-|", "/usr/bin/diff", "-L", $from_label, "-L", $to_label, "-u", "-p", $from_tmp, $to_tmp;
 235         print "<span style =\"color: #000099;\">===== ";
 236         if ($from ne "") {
 237                 print $cgi->a({-href => "$my_uri/$project/blob/$from"}, $from);
 238         } else {
 239                 print $from_name;
 240         }
 241         print " vs ";
 242         if ($to ne "") {
 243                 print $cgi->a({-href => "$my_uri/$project/blob/$to"}, $to);
 244         } else {
 245                 print $to_name;
 246         }
 247         print " =====</span>\n";
 248         while (my $line = <$fd>) {
 249                 my $char = substr($line,0,1);
 250                 print '<span style ="color: #008800;">' if $char eq '+';
 251                 print '<span style ="color: #CC0000;">' if $char eq '-';
 252                 print '<span style ="color: #990099;">' if $char eq '@';
 253                 print escapeHTML($line);
 254                 print '</span>' if $char eq '+' or $char eq '-' or $char eq '@';
 255         }
 256         close $fd;
 257
 258         if ($from ne "") {
 259                 unlink("$from_tmp");
 260         }
 261         if ($to ne "") {
 262                 unlink("$to_tmp");
 263         }
 264 }
 265
 266 sub mode_str {
 267         my $perms = oct shift;
 268         my $modestr;
 269         if ($perms & 040000) { $modestr .= 'd' } else { $modestr .= '-' };
 270         for (my $i = 0; $i < 3; $i++) {
 271                 if ($perms & 0400) { $modestr .= 'r' } else { $modestr .= '-' };
 272                 if ($perms & 0200) { $modestr .= 'w' } else { $modestr .= '-' };
 273                 if ($perms & 0100) { $modestr .= 'x' } else { $modestr .= '-' };
 274                 $perms <<= 3;
 275         }
 276         return $modestr;
 277 }
 278
 279 # show list of default projects
 280 if ($project eq "") {
 281         opendir(my $fd, "$projectroot/$defaultprojects");
 282         my (@path) = grep(!/^\./, readdir($fd));
 283         closedir($fd);
 284         git_header_html();
 285         print "<div class=\"head2\">\n";
 286         print "<br/><br/>\n";
 287         foreach my $line (@path) {
 288                 if (-e "$projectroot/$defaultprojects/$line/.git/HEAD") {
 289                         print $cgi->a({-href => "$my_uri/$defaultprojects/$line/log"}, $line) . "<br/>\n";
 290                 }
 291         }
 292         print "</div><br/>";
 293         git_footer_html();
 294         exit;
 295 }
 296
 297 if ($action eq "blob") {
 298         git_header_html();
 299         print "<br/><br/>\n";
 300         print "<pre>\n";
 301         open my $fd, "-|", "$gitbin/cat-file", "blob", $hash;
 302         my $nr;
 303         while (my $line = <$fd>) {
 304                 $nr++;
 305                 print "$nr\t" . escapeHTML($line);;
 306         }
 307         close $fd;
 308         print "</pre>\n";
 309         print "<br/>";
 310         git_footer_html();
 311 } elsif ($action eq "tree") {
 312         if ($hash eq "") {
 313                 $hash = git_head();
 314         }
 315         open my $fd, "-|", "$gitbin/ls-tree", $hash;
 316         my (@entries) = map { chomp; $_ } <$fd>;
 317         close $fd;
 318         git_header_html();
 319         print "<br/><br/>\n";
 320         print "<pre>\n";
 321         foreach my $line (@entries) {
 322                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 323                 $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 324                 my $t_mode = $1;
 325                 my $t_type = $2;
 326                 my $t_hash = $3;
 327                 my $t_name = $4;
 328                 if ($t_type eq "blob") {
 329                         print mode_str($t_mode). " " . $cgi->a({-href => "$my_uri/$project/blob/$t_hash"}, $t_name) . "\n";
 330                 } elsif ($t_type eq "tree") {
 331                         print mode_str($t_mode). " " . $cgi->a({-href => "$my_uri/$project/tree/$t_hash"}, $t_name) . "\n";
 332                 }
 333         }
 334         print "</pre>\n";
 335         print "<br/>";
 336         git_footer_html();
 337 } elsif ($action eq "log" || $action eq "rss") {
 338         open my $fd, "-|", "$gitbin/rev-list", git_head();
 339         my (@revtree) = map { chomp; $_ } <$fd>;
 340         close $fd;
 341
 342         if ($action eq "log") {
 343                 git_header_html();
 344                 print "<div class=\"head2\">\n";
 345                 print "view  ";
 346                 print $cgi->a({-href => "$my_uri/$project/log"}, "last day") . " | ";
 347                 print $cgi->a({-href => "$my_uri/$project/log/7"}, "week") . " | ";
 348                 print $cgi->a({-href => "$my_uri/$project/log/31"}, "month") . " | ";
 349                 print $cgi->a({-href => "$my_uri/$project/log/365"}, "year") . " | ";
 350                 print $cgi->a({-href => "$my_uri/$project/log/0"}, "all") . "<br/>\n";
 351                 print "<br/><br/>\n";
 352                 print "</div>\n";
 353                 print "<table cellspacing=\"0\" class=\"log\">\n";
 354         } elsif ($action eq "rss") {
 355                 print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
 356                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
 357                       "<rss version=\"0.91\">\n";
 358                 print "<channel>\n";
 359                 print "<title>$project</title>\n".
 360                       "<link> " . $my_url . "/$project/log</link>\n".
 361                       "<description>$project log</description>\n".
 362                       "<language>en</language>\n";
 363         }
 364
 365         for (my $i = 0; $i <= $#revtree; $i++) {
 366                 my $commit = $revtree[$i];
 367
 368                 my %co = git_commit($commit);
 369                 my $age = time - $co{'committer_time'};
 370                 my $age_string;
 371                 if ($age > 60*60*24*365*2) {
 372                         $age_string = int $age/60/60/24/365;
 373                         $age_string .= " years ago";
 374                 } elsif ($age > 60*60*24*365/12*2) {
 375                         $age_string = int $age/60/60/24/365/12;
 376                         $age_string .= " months ago";
 377                 } elsif ($age > 60*60*24*7*2) {
 378                         $age_string = int $age/60/60/24/7;
 379                         $age_string .= " weeks ago";
 380                 } elsif ($age > 60*60*24*2) {
 381                         $age_string = int $age/60/60/24;
 382                         $age_string .= " days ago";
 383                 } elsif ($age > 60*60*2) {
 384                         $age_string = int $age/60/60;
 385                         $age_string .= " hours ago";
 386                 } elsif ($age > 60*2) {
 387                         $age_string = int $age/60;
 388                         $age_string .= " minutes ago";
 389                 }
 390                 if ($action eq "log") {
 391                         if ($view_back > 0 && $age > $view_back*60*60*24) {
 392                                 if ($i == 0) {
 393                                         print "<tr>\n";
 394                                         print "<td class=\"head1\"> Last change $age_string. </td>\n";
 395                                         print "</tr>\n";
 396                                 }
 397                                 last;
 398                         }
 399                         print "<tr>\n";
 400                         print "<td class=\"head1\">" . $age_string . "</td>\n";
 401                         print "<td class=\"head1\">" . $cgi->a({-href => "$my_uri/$project/commit/$commit"}, $co{'title'}) . "</td>";
 402                         print "</tr>\n";
 403                         print "<tr>\n";
 404                         print "<td class=\"head3\">";
 405                         print $cgi->a({-href => "$my_uri/$project/commit/$commit"}, "view commit") . "<br/>\n";
 406                         print $cgi->a({-href => "$my_uri/$project/commitdiff/$commit"}, "view diff") . "<br/>\n";
 407                         print "</td>\n";
 408                         print "<td class=\"head2\">\n";
 409                         print "author &nbsp; &nbsp;" . escapeHTML($co{'author'}) . " [" . gmtime($co{'author_time'}) . " " . $co{'author_timezone'} . "]<br/>\n";
 410                         print "committer " . escapeHTML($co{'committer'}) . " [" . gmtime($co{'committer_time'}) . " " . $co{'committer_timezone'} . "]<br/>\n";
 411                         print "</td>";
 412                         print "</tr>\n";
 413                         print "<tr>\n";
 414                         print "<td></td>\n";
 415                         print "<td>\n";
 416                         my $comment = $co{'comment'};
 417                         foreach my $line (@$comment) {
 418                                 if ($line =~ m/^(signed-off|acked)-by:/i) {
 419                                         print '<div class="signed_off">' . escapeHTML($line) . "<br/></div>\n";
 420                                 } else {
 421                                         print escapeHTML($line) . "<br/>\n";
 422                                 }
 423                         }
 424                         print "<br/><br/>\n";
 425                         print "</td>";
 426                         print "</tr>\n";
 427                 } elsif ($action eq "rss") {
 428                         last if ($i >= 20);
 429                         my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday) = gmtime($co{'author_time'});
 430                         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 431                         print "<item>\n\t<title>";
 432                         printf("%s %02d, %02d:%02d - ", $months[$mon], $mday, $hour, $min);
 433                         print escapeHTML($co{'title'}) . "</title>\n";
 434                         print "\t<link> " . $my_url . "/$project/commit/$commit</link>\n";
 435                         print "\t<description>";
 436                         my $comment = $co{'comment'};
 437                         foreach my $line (@$comment) {
 438                                 print escapeHTML($line) . "\n";
 439                         }
 440                         print "\t</description>\n";
 441                         print "</item>\n";
 442                 }
 443         }
 444         if ($action eq "log") {
 445                 print "</table>\n";
 446                 git_footer_html();
 447         } elsif ($action eq "rss") {
 448                 print "</channel></rss>";
 449         }
 450 } elsif ($action eq "commit") {
 451         my %co = git_commit($hash);
 452         open my $fd, "-|", "$gitbin/diff-tree", "-r", $co{'parent'}, $hash;
 453         my (@difftree) = map { chomp; $_ } <$fd>;
 454         close $fd;
 455
 456         git_header_html();
 457         print "<div class=\"head2\"> view\n";
 458         print $cgi->a({-href => "$my_uri/$project/commit/$hash"}, "commit") . " | ";
 459         print $cgi->a({-href => "$my_uri/$project/commitdiff/$hash"}, "diff");
 460         print "</div><br/><br/>\n";
 461         print "<div class=\"title\">" . $cgi->a({-href => "$my_uri/$project/commitdiff/$hash"}, $co{'title'}) . "<br/></div>\n";
 462         print "<table cellspacing=\"0\" class=\"log\">\n";
 463         print "<tr>\n";
 464         print "<td class=\"head2\">";
 465         print "author &nbsp; &nbsp;" . escapeHTML($co{'author'}) . " [" . gmtime($co{'author_time'}) . " " . $co{'author_timezone'} . "]<br/>\n";
 466         print "committer " . escapeHTML($co{'committer'}) . " [" . gmtime($co{'committer_time'}) . " " . $co{'committer_timezone'} . "]<br/>\n";
 467         print "commit &nbsp; &nbsp;$hash<br/>\n";
 468         print "tree &nbsp; &nbsp; &nbsp;" . $cgi->a({-href => "$my_uri/$project/tree/$co{'tree'}"}, $co{'tree'}) . "<br/>\n";
 469         my $parents  = $co{'parents'};
 470         foreach my $par (@$parents) {
 471                 print "parent &nbsp; &nbsp;" . $cgi->a({-href => "$my_uri/$project/tree/$par"}, $par) . "<br/>\n";
 472         }
 473         print "</td>";
 474         print "</tr>\n";
 475         print "<tr>\n";
 476         print "<td>\n";
 477         my $comment = $co{'comment'};
 478         foreach my $line (@$comment) {
 479                 if ($line =~ m/(signed-off|acked)-by:/i) {
 480                         print '<div class="signed_off">' . escapeHTML($line) . "<br/></div>\n";
 481                 } else {
 482                         print escapeHTML($line) . "<br/>\n";
 483                 }
 484         }
 485         print "<br/><br/>\n";
 486         print "</td>";
 487         print "</tr>\n";
 488         print "</table>";
 489
 490         print "<pre>\n";
 491         foreach my $line (@difftree) {
 492                 # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
 493                 # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
 494                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 495                 my $op = $1;
 496                 my $mode = $2;
 497                 my $type = $3;
 498                 my $id = $4;
 499                 my $file = $5;
 500                 $mode =~ m/^([0-7]{6})/;
 501                 my $modestr = mode_str($1);
 502                 if ($type eq "blob") {
 503                         if ($op eq "+") {
 504                                 print "added\t$modestr " . $cgi->a({-href => "$my_uri/$project/blob/$id"}, $file) . "\n";
 505                         } elsif ($op eq "-") {
 506                                 print "removed\t$modestr " . $cgi->a({-href => "$my_uri/$project/blob/$id"}, $file) . "\n";
 507                         } elsif ($op eq "*") {
 508                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 509                                 my $old = $1;
 510                                 my $new = $2;
 511                                 print "changed\t$modestr " . $cgi->a({-href => "$my_uri/$project/blobdiff/$old/$new"}, $file) . "\n";
 512                         }
 513                 }
 514         }
 515         print "</pre>\n";
 516         print "<br/>";
 517         git_footer_html();
 518 } elsif ($action eq "blobdiff") {
 519         git_header_html();
 520         print "<br/><br/>\n";
 521         print "<pre>\n";
 522         git_diff_html($hash, $hash_parent, $hash, $hash_parent);
 523         print "</pre>\n";
 524         print "<br/>";
 525         git_footer_html();
 526 } elsif ($action eq "commitdiff") {
 527         my %co = git_commit($hash);
 528         open my $fd, "-|", "$gitbin/diff-tree", "-r", $co{'parent'}, $hash;
 529         my (@difftree) = map { chomp; $_ } <$fd>;
 530         close $fd;
 531
 532         git_header_html();
 533         print "<div class=\"head2\"> view\n";
 534         print $cgi->a({-href => "$my_uri/$project/commit/$hash"}, "commit") . " | ";
 535         print $cgi->a({-href => "$my_uri/$project/commitdiff/$hash"}, "diff");
 536         print "</div><br/><br/>\n";
 537         print "<div class=\"title\">" . $cgi->a({-href => "$my_uri/$project/commit/$hash"}, $co{'title'}) . "<br/></div>\n";
 538         print "<pre>\n";
 539         foreach my $line (@difftree) {
 540                 # '*100644->100644      blob    8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154      Makefile'
 541                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 542                 my $op = $1;
 543                 my $mode = $2;
 544                 my $type = $3;
 545                 my $id = $4;
 546                 my $file = $5;
 547                 if ($type eq "blob") {
 548                         if ($op eq "+") {
 549                                 git_diff_html("", $file, "", $id);
 550                         } elsif ($op eq "-") {
 551                                 git_diff_html($file, "", $id, "");
 552                         } elsif ($op eq "*") {
 553                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 554                                 git_diff_html($file, $file, $1, $2);
 555                         }
 556                 }
 557         }
 558         print "</pre>\n";
 559         print "<br/>";
 560         git_footer_html();
 561 }