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 file 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::Carp qw(fatalsToBrowser);
  14
  15 my $cgi = new CGI;
  16
  17 my $version =           "073";
  18 my $projectroot =       "/pub/scm";
  19 my $home_link =         "/git";
  20 my $gitbin =            "/usr/bin";
  21 my $gittmp =            "/tmp/gitweb";
  22 my $logo_link =         "/pub/software/scm/cogito";
  23 my $my_url =            $cgi->url();
  24 my $my_uri =            $cgi->url(-absolute => 1);
  25
  26 # remove #
  27 my $projectroot =       "/home/kay/public_html/pub/scm";
  28 my $home_link =         "/~kay/git";
  29 my $logo_link =         "/~kay/pub/software/scm/cogito";
  30 # remove #
  31
  32 mkdir($gittmp, 0700);
  33 my $project = $cgi->param('p');
  34 my $action = $cgi->param('a');
  35 my $hash = $cgi->param('h');
  36 my $hash_parent = $cgi->param('hp');
  37 my $file_name = $cgi->param('f');
  38 my $time_back = $cgi->param('t');
  39 $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects";
  40
  41 # validate input
  42 if (defined($project)) {
  43         if ($project =~ /(^|\/)(|\.|\.\.)($|\/)/) {
  44                 die_error("", "Invalid project parameter.");
  45         }
  46         if (!(-d "$projectroot/$project")) {
  47                 die_error("", "No such project.");
  48         }
  49 }
  50 if (defined($file_name) && $file_name =~ /(^|\/)(|\.|\.\.)($|\/)/) {
  51         die_error("", "Invalid file parameter.");
  52 }
  53 if (defined($action) && !$action =~ m/^[0-9a-zA-Z\.\-]+$/) {
  54         die_error("", "Invalid action parameter.");
  55 }
  56 if (defined($hash) && !($hash =~ m/^[0-9a-fA-F]{40}$/)) {
  57         die_error("", "Invalid hash parameter.");
  58 }
  59 if (defined($hash_parent) && !($hash_parent =~ m/^[0-9a-fA-F]{40}$/)) {
  60         die_error("", "Invalid parent hash parameter.");
  61 }
  62 if (defined($time_back) && !($time_back =~ m/^[0-9]+$/)) {
  63         die_error("", "Invalid time parameter.");
  64 }
  65
  66 sub git_header_html {
  67         my $status = shift || "200 OK";
  68
  69         print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status);
  70         print <<EOF;
  71 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
  72 <html>
  73 <head>
  74         <title>git - $project $action</title>
  75         <link rel="alternate" title="$project log" href="$my_uri?p=$project;a=rss" type="application/rss+xml"/>
  76         <style type="text/css">
  77         body { font-family: sans-serif; font-size: 12px; margin:0px; }
  78         a { color:#0000cc; }
  79         a:hover { color:#880000; }
  80         a:visited { color:#880000; }
  81         a:active { color:#880000; }
  82         div.page_header {
  83                 margin:15px 25px 0px; height:25px; padding:8px;
  84                 font-size:18px; clear:both; font-weight:bold; background-color: #d9d8d1;
  85         }
  86         div.page_header a:visited { color:#0000cc; }
  87         div.page_nav { margin:0px 25px; padding:8px; clear:both; border:solid #d9d8d1; border-width:0px 1px; }
  88         div.page_nav a:visited { color:#0000cc; }
  89         div.page_footer {
  90                 margin:0px 25px 15px; height:17px; padding:4px; padding-left:8px;
  91                 clear:both; background-color: #d9d8d1;
  92         }
  93         div.page_footer_text { float:left; color:#888888; font-size:10px;}
  94         div.page_body { margin:0px 25px; padding:8px; clear:both; border:solid #d9d8d1; border-width:0px 1px; }
  95         div.title {
  96                 display:block; margin:0px 25px; padding:8px; clear:both;
  97                 font-weight:bold; background-color: #d9d8d1; color:#000000;
  98         }
  99         a.log_title {
 100                 display:block; margin:0px 25px; padding:6px; clear:both;
 101                 font-weight:bold; background-color: #d9d8d1; text-decoration:none; color:#000000;
 102         }
 103         a.log_title:hover { background-color: #c9c8c1; }
 104         div.log_head {
 105                 margin:0px 25px; padding:8px; clear:both;
 106                 border: solid #d9d8d1; border-width:0px 1px; font-family:monospace;
 107                 background-color: #edece6;
 108         }
 109         div.log_body {
 110                 margin:0px 25px; padding:8px; padding-left:150px; clear:both;
 111                 border:solid #d9d8d1; border-width:0px 1px;
 112         }
 113         span.log_age { position:relative; float:left; width:142px; }
 114         div.log_link { font-size:10px; font-family:sans-serif; position:relative; float:left; width:142px; }
 115         a.list {
 116                 display:block; margin:0px 25px; padding:4px; border:solid #d9d8d1; border-width:0px 1px;
 117                 font-weight:bold; background-color: #edece6; text-decoration:none; color:#000000;
 118         }
 119         a.list:hover { background-color: #d9d8d1; }
 120         div.link { margin:0px 25px; padding:4px 8px; border:solid #d9d8d1; border-width:0px 1px; font-family:sans-serif; font-size:10px; }
 121         a.xml_logo { float:right; border:1px solid;
 122                 line-height:15px;
 123                 border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e; width:35px;
 124                 color:#ffffff; background-color:#ff6600;
 125                 font-weight:bold; font-family:sans-serif; text-align:center;
 126                 font-size:10px; display:block; text-decoration:none;
 127         }
 128         a.xml_logo:hover { background-color:#ee5500; }
 129         </style>
 130 </head>
 131 <body>
 132 EOF
 133         print "<div class=\"page_header\">\n" .
 134               "<a href=\"$logo_link\">" .
 135               "<img src=\"$my_uri?a=git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
 136         print $cgi->a({-href => "$my_uri"}, "projects") . " / ";
 137         if ($project ne "") {
 138                 print $cgi->a({-href => "$my_uri?p=$project;a=log"}, $project);
 139         }
 140         if ($action ne "") {
 141                 print " / $action";
 142         }
 143         print "</div>\n";
 144 }
 145
 146 sub git_footer_html {
 147         print "<div class=\"page_footer\">";
 148         print "<div class=\"page_footer_text\">version $version</div>";
 149         if ($project ne '') {
 150                 print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "xml_logo"}, "XML") . "\n";
 151         }
 152         print "</div>" .
 153               "</body>" .
 154               "</html>";
 155 }
 156
 157 sub die_error {
 158         my $status = shift || "403 Forbidden";
 159         my $error = shift || "Malformed query, file missing or permission denied";
 160
 161         $project = "";
 162         $action = "";
 163         git_header_html($status);
 164         print "<div class=\"page_body\">\n" .
 165               "<br/><br/>\n";
 166         print "$error\n";
 167         print "<br/></div>\n";
 168         git_footer_html();
 169         exit 0;
 170 }
 171
 172 sub git_head {
 173         my $path = shift;
 174         open(my $fd, "$projectroot/$path/HEAD") || die_error("", "Invalid project directory.");;
 175         my $head = <$fd>;
 176         close $fd;
 177         chomp $head;
 178         return $head;
 179 }
 180
 181 sub git_commit {
 182         my $commit = shift;
 183         my %co;
 184         my @parents;
 185
 186         open my $fd, "-|", "$gitbin/git-cat-file commit $commit";
 187         while (my $line = <$fd>) {
 188                 chomp($line);
 189                 last if $line eq "";
 190                 if ($line =~ m/^tree (.*)$/) {
 191                         $co{'tree'} = $1;
 192                 } elsif ($line =~ m/^parent (.*)$/) {
 193                         push @parents, $1;
 194                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 195                         $co{'author'} = $1;
 196                         $co{'author_epoch'} = $2;
 197                         $co{'author_tz'} = $3;
 198                         $co{'author_name'} = $co{'author'};
 199                         $co{'author_name'} =~ s/ <.*//;
 200                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 201                         $co{'committer'} = $1;
 202                         $co{'committer_epoch'} = $2;
 203                         $co{'committer_tz'} = $3;
 204                         $co{'committer_name'} = $co{'committer'};
 205                         $co{'committer_name'} =~ s/ <.*//;
 206                 }
 207         }
 208         if (!defined($co{'tree'})) { die_error("", "Invalid commit object."); }
 209         $co{'parents'} = \@parents;
 210         $co{'parent'} = $parents[0];
 211         my (@comment) = map { chomp; $_ } <$fd>;
 212         $co{'comment'} = \@comment;
 213         $co{'title'} = $comment[0];
 214         close $fd;
 215
 216         my $age = time - $co{'committer_epoch'};
 217         $co{'age'} = $age;
 218         if ($age > 60*60*24*365*2) {
 219                 $co{'age_string'} = (int $age/60/60/24/365);
 220                 $co{'age_string'} .= " years ago";
 221         } elsif ($age > 60*60*24*365/12*2) {
 222                 $co{'age_string'} = int $age/60/60/24/365/12;
 223                 $co{'age_string'} .= " months ago";
 224         } elsif ($age > 60*60*24*7*2) {
 225                 $co{'age_string'} = int $age/60/60/24/7;
 226                 $co{'age_string'} .= " weeks ago";
 227         } elsif ($age > 60*60*24*2) {
 228                 $co{'age_string'} = int $age/60/60/24;
 229                 $co{'age_string'} .= " days ago";
 230         } elsif ($age > 60*60*2) {
 231                 $co{'age_string'} = int $age/60/60;
 232                 $co{'age_string'} .= " hours ago";
 233         } elsif ($age > 60*2) {
 234                 $co{'age_string'} = int $age/60;
 235                 $co{'age_string'} .= " minutes ago";
 236         }
 237         return %co;
 238 }
 239
 240 sub git_diff_html {
 241         my $from_name = shift || "/dev/null";
 242         my $to_name = shift || "/dev/null";
 243         my $from = shift;
 244         my $to = shift;
 245
 246         my $from_tmp = "/dev/null";
 247         my $to_tmp = "/dev/null";
 248         my $from_label = "/dev/null";
 249         my $to_label = "/dev/null";
 250         my $pid = $$;
 251
 252         # create tmp from-file
 253         if ($from ne "") {
 254                 $from_tmp = "$gittmp/gitweb_" . $$ . "_from";
 255                 open(my $fd2, "> $from_tmp");
 256                 open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 257                 my @file = <$fd>;
 258                 print $fd2 @file;
 259                 close $fd2;
 260                 close $fd;
 261                 $from_label = "a/$from_name";
 262         }
 263
 264         # create tmp to-file
 265         if ($to ne "") {
 266                 $to_tmp = "$gittmp/gitweb_" . $$ . "_to";
 267                 open my $fd2, "> $to_tmp";
 268                 open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 269                 my @file = <$fd>;
 270                 print $fd2 @file;
 271                 close $fd2;
 272                 close $fd;
 273                 $to_label = "b/$to_name";
 274         }
 275
 276         open my $fd, "-|", "/usr/bin/diff -u -p -L $from_label -L $to_label $from_tmp $to_tmp";
 277         print "<span style=\"color: #000099;\">===== ";
 278         if ($from ne "") {
 279                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from"}, $from);
 280         } else {
 281                 print $from_name;
 282         }
 283         print " vs ";
 284         if ($to ne "") {
 285                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to"}, $to);
 286         } else {
 287                 print $to_name;
 288         }
 289         print " =====</span>\n";
 290         while (my $line = <$fd>) {
 291                 my $char = substr($line,0,1);
 292                 print '<span style="color: #008800;">' if $char eq '+';
 293                 print '<span style="color: #CC0000;">' if $char eq '-';
 294                 print '<span style="color: #990099;">' if $char eq '@';
 295                 print escapeHTML($line);
 296                 print '</span>' if $char eq '+' or $char eq '-' or $char eq '@';
 297         }
 298         close $fd;
 299
 300         if ($from ne "") {
 301                 unlink("$from_tmp");
 302         }
 303         if ($to ne "") {
 304                 unlink("$to_tmp");
 305         }
 306 }
 307
 308 sub mode_str {
 309         my $perms = oct shift;
 310         my $modestr;
 311         if ($perms & 040000) {
 312                 $modestr .= 'drwxr-xr-x';
 313         } else {
 314                 # git cares only about the executable bit
 315                 if ($perms & 0100) {
 316                         $modestr .= '-rwxr-xr-x';
 317                 } else {
 318                         $modestr .= '-rw-r--r--';
 319                 };
 320         }
 321         return $modestr;
 322 }
 323
 324 sub date_str {
 325         my $epoch = shift;
 326         my $tz = shift || "-0000";
 327
 328         my %date;
 329         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 330         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 331         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 332         $date{'hour'} = $hour;
 333         $date{'minute'} = $min;
 334         $date{'mday'} = $mday;
 335         $date{'day'} = $days[$wday];
 336         $date{'month'} = $months[$mon];
 337         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 338         $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 339
 340         $tz =~ m/((-|\+)[0-9][0-9])([0-9][0-9])/;
 341         my $local = $epoch + (($1 + ($2/60)) * 3600);
 342         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 343         $date{'hour_local'} = $hour;
 344         $date{'minute_local'} = $min;
 345         $date{'tz_local'} = $tz;
 346         return %date;
 347 }
 348
 349 if ($action eq "git-logo.png") {
 350         print $cgi->header(-type => 'image/png', -expires => '+1d');
 351         print   "\211\120\116\107\015\012\032\012\000\000\000\015\111\110\104\122".
 352                 "\000\000\000\110\000\000\000\033\004\003\000\000\000\055\331\324".
 353                 "\055\000\000\000\030\120\114\124\105\377\377\377\140\140\135\260".
 354                 "\257\252\000\200\000\316\315\307\300\000\000\350\350\346\367\367".
 355                 "\366\225\014\247\107\000\000\000\163\111\104\101\124\050\317\143".
 356                 "\110\147\040\004\112\134\030\012\010\052\142\123\141\040\002\010".
 357                 "\015\151\105\254\241\241\001\060\014\223\140\066\046\122\221\261".
 358                 "\001\021\326\341\125\144\154\154\314\154\154\014\242\014\160\052".
 359                 "\142\006\052\301\142\035\263\001\002\123\244\010\350\000\003\030".
 360                 "\046\126\021\324\341\040\227\033\340\264\016\065\044\161\051\202".
 361                 "\231\060\270\223\012\021\271\105\210\301\215\240\242\104\041\006".
 362                 "\047\101\202\100\205\301\105\211\040\160\001\000\244\075\041\305".
 363                 "\022\034\232\376\000\000\000\000\111\105\116\104\256\102\140\202";
 364         exit;
 365 }
 366
 367 if (!defined($project)) {
 368         print $cgi->redirect($home_link);
 369         exit;
 370 }
 371
 372 if (!defined($action)) {
 373         $action = "log";
 374 }
 375
 376 if (!defined($time_back)) {
 377         $time_back = 1;
 378 }
 379
 380 if ($action eq "blob") {
 381         git_header_html();
 382         print "<div class=\"page_nav\">\n";
 383         print "<br/><br/></div>\n";
 384         print "<div class=\"title\">$hash</div>\n";
 385         print "<div class=\"page_body\"><pre>\n";
 386         open(my $fd, "-|", "$gitbin/git-cat-file blob $hash");
 387         my $nr;
 388         while (my $line = <$fd>) {
 389                 $nr++;
 390                 printf "<span style =\"color: #999999;\">%4i\t</span>%s", $nr, escapeHTML($line);;
 391         }
 392         close $fd;
 393         print "<br/></pre>\n";
 394         print "</div>";
 395         git_footer_html();
 396 } elsif ($action eq "tree") {
 397         if ($hash eq "") {
 398                 $hash = git_head($project);
 399         }
 400         open my $fd, "-|", "$gitbin/git-ls-tree $hash";
 401         my (@entries) = map { chomp; $_ } <$fd>;
 402         close $fd;
 403         git_header_html();
 404         print "<div class=\"page_nav\">\n";
 405         print "<br/><br/></div>\n";
 406         print "<div class=\"title\">$hash</div>\n";
 407         print "<div class=\"page_body\">\n";
 408         print "<br/><pre>\n";
 409         foreach my $line (@entries) {
 410                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 411                 $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 412                 my $t_mode = $1;
 413                 my $t_type = $2;
 414                 my $t_hash = $3;
 415                 my $t_name = $4;
 416                 if ($t_type eq "blob") {
 417                         print mode_str($t_mode). " " . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash"}, $t_name) . "\n";
 418                 } elsif ($t_type eq "tree") {
 419                         print mode_str($t_mode). " " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash"}, $t_name) . "\n";
 420                 }
 421         }
 422         print "</pre>\n";
 423         print "<br/></div>";
 424         git_footer_html();
 425 } elsif ($action eq "log" || $action eq "rss") {
 426         open my $fd, "-|", "$gitbin/git-rev-list " . git_head($project);
 427         my (@revlist) = map { chomp; $_ } <$fd>;
 428         close $fd;
 429
 430         if ($action eq "log") {
 431                 git_header_html();
 432                 print "<div class=\"page_nav\">\n";
 433                 print "view  ";
 434                 print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "last day") . " | \n" .
 435                       $cgi->a({-href => "$my_uri?p=$project;a=log;t=7"}, "week") . " | \n" .
 436                       $cgi->a({-href => "$my_uri?p=$project;a=log;t=31"}, "month") . " | \n" .
 437                       $cgi->a({-href => "$my_uri?p=$project;a=log;t=365"}, "year") . " | \n" .
 438                       $cgi->a({-href => "$my_uri?p=$project;a=log;t=0"}, "all") . "<br/>\n";
 439                 print "<br/><br/>\n" .
 440                       "</div>\n";
 441         } elsif ($action eq "rss") {
 442                 print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
 443                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
 444                       "<rss version=\"0.91\">\n";
 445                 print "<channel>\n";
 446                 print "<title>$project</title>\n".
 447                       "<link> " . $my_url . "/$project/log</link>\n".
 448                       "<description>$project log</description>\n".
 449                       "<language>en</language>\n";
 450         }
 451
 452         for (my $i = 0; $i <= $#revlist; $i++) {
 453                 my $commit = $revlist[$i];
 454                 my %co = git_commit($commit);
 455                 my %ad = date_str($co{'author_epoch'});
 456                 if ($action eq "log") {
 457                 if ($time_back > 0 && $co{'age'} > $time_back*60*60*24) {
 458                                 if ($i == 0) {
 459                                         print "<div class=\"page_body\"> Last change " . $co{'age_string'} . ".<br/><br/></div>\n";
 460                                 }
 461                                 last;
 462                         }
 463                         print "<div>\n" .
 464                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "log_title"},
 465                               "<span class=\"log_age\">" . $co{'age_string'} . "</span>" . escapeHTML($co{'title'})) . "\n" .
 466                               "</div>\n";
 467                         print "<div class=\"log_head\">\n" .
 468                               "<div class=\"log_link\">\n" .
 469                               "view " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") . " | " .
 470                               $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "diff") . "<br/>\n" .
 471                               "</div>\n" .
 472                               escapeHTML($co{'author_name'}) .  " [" . $ad{'rfc2822'} . "]<br/>\n" .
 473                               "</div>\n" .
 474                               "<div class=\"log_body\">\n";
 475                         my $comment = $co{'comment'};
 476                         foreach my $line (@$comment) {
 477                                 last if ($line =~ m/^(signed-off|acked)-by:/i);
 478                                 print escapeHTML($line) . "<br/>\n";
 479                         }
 480                         print "<br/>\n" .
 481                               "</div>\n";
 482                 } elsif ($action eq "rss") {
 483                         last if ($i >= 20);
 484                         print "<item>\n" .
 485                               "\t<title>" . sprintf("%d %s %02d:%02d", $ad{'mday'}, $ad{'month'}, $ad{'hour'}, $ad{'min'}) . " - " . escapeHTML($co{'title'}) . "</title>\n" .
 486                               "\t<link> " . $my_url . "?p=$project;a=commit;h=$commit</link>\n" .
 487                               "\t<description>";
 488                         my $comment = $co{'comment'};
 489                         foreach my $line (@$comment) {
 490                                 print escapeHTML($line) . "\n";
 491                         }
 492                         print "\t</description>\n" .
 493                               "</item>\n";
 494                 }
 495         }
 496         if ($action eq "log") {
 497                 git_footer_html();
 498         } elsif ($action eq "rss") {
 499                 print "</channel></rss>";
 500         }
 501 } elsif ($action eq "commit") {
 502         my %co = git_commit($hash);
 503         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
 504         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 505         open my $fd, "-|", "$gitbin/git-diff-tree -r " . $co{'parent'} . " $hash";
 506         my (@difftree) = map { chomp; $_ } <$fd>;
 507         close $fd;
 508
 509         git_header_html();
 510         print "<div class=\"page_nav\"> view\n" .
 511               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | \n" .
 512               $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . " | \n" .
 513               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash"}, "tree") . "\n" .
 514               "<br/><br/></div>\n";
 515         print "<div>\n" .
 516               $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "log_title"}, escapeHTML($co{'title'})) . "\n" .
 517               "</div>\n";
 518         print "<div class=\"log_head\">\n";
 519         print "author &nbsp; &nbsp; &nbsp;" . escapeHTML($co{'author'}) . "<br/>\n";
 520         print "author-time " . $ad{'rfc2822'};
 521         if ($ad{'hour_local'} < 6) { print "<span style=\"color: #cc0000;\">"; }
 522         printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
 523         if ($ad{'hour_local'} < 6 ) { print "</span>"; }
 524         print "<br/>\n";
 525         print "committer &nbsp; " . escapeHTML($co{'committer'}) . "<br/>\n";
 526         print "commit-time " . $cd{'rfc2822'};
 527         printf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'});
 528         print "<br/>\n";
 529         print "commit &nbsp &nbsp; &nbsp;$hash<br/>\n";
 530         print "tree &nbsp; &nbsp; &nbsp; &nbsp" . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'}"}, $co{'tree'}) . "<br/>\n";
 531         my $parents  = $co{'parents'};
 532         foreach my $par (@$parents) {
 533                 print "parent &nbsp; &nbsp &nbsp" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, $par) . "<br/>\n";
 534         }
 535         print "</div>\n";
 536         print "<div class=\"page_body\">\n";
 537         my $comment = $co{'comment'};
 538         foreach my $line (@$comment) {
 539                 if ($line =~ m/(signed-off|acked)-by:/i) {
 540                         print "<span style=\"color: #a9a8a1\">" . escapeHTML($line) . "</span><br/>\n";
 541                 } else {
 542                         print escapeHTML($line) . "<br/>\n";
 543                 }
 544         }
 545         print "<br/><br/>\n" .
 546               "</div>\n";
 547         foreach my $line (@difftree) {
 548                 # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
 549                 # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
 550                 # '*100664->100644      blob    b1a8e3dd5556b61dd771d32307c6ee5d7150fa43->b1a8e3dd5556b61dd771d32307c6ee5d7150fa43      show-files.c'
 551                 # '*100664->100644      blob    d08e895238bac36d8220586fdc28c27e1a7a76d3->d08e895238bac36d8220586fdc28c27e1a7a76d3      update-cache.c'
 552                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 553                 my $op = $1;
 554                 my $mode = $2;
 555                 my $type = $3;
 556                 my $id = $4;
 557                 my $file = $5;
 558                 my $mode_chng = "";
 559                 if ($type eq "blob") {
 560                         if ($op eq "+") {
 561                                 print "<div class=\"list\">\n" .
 562                                       "$file <span style=\"color: #33cc33;\">[new]</span>\n" .
 563                                       "</div>";
 564                                 print "<div class=\"link\">\n" .
 565                                       "view " .
 566                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"}, "file") . "<br/><br/>\n" .
 567                                       "</div>\n";
 568                         } elsif ($op eq "-") {
 569                                 print "<div class=\"list\">\n" .
 570                                       "$file <span style=\"color: #cc5555;\">[removed]</span>\n" .
 571                                       "</div>";
 572                                 print "<div class=\"link\">\n" .
 573                                       "view " .
 574                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"}, "file") . " | " .
 575                                       $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "<br/><br/>\n" .
 576                                       "</div>\n";
 577                         } elsif ($op eq "*") {
 578                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 579                                 my $from_id = $1;
 580                                 my $to_id = $2;
 581                                 $mode =~ m/^([0-7]{6})->([0-7]{6})$/;
 582                                 my $from_mode = $1;
 583                                 my $to_mode = $2;
 584                                 print "<div>\n" .
 585                                       $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id", -class => "list"}, $file) . "\n";
 586                                 if ($from_mode != $to_mode) {
 587                                         print "<span style=\"color: #555555;\"> [chmod $mode]</span>";
 588                                 }
 589                                 print "\n</div>\n";
 590                                 print "<div class=\"link\">\n" .
 591                                       "view ";
 592                                 if ($to_id ne $from_id) {
 593                                         print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id"}, "diff") . " | ";
 594                                 }
 595                                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id"}, "file") . " | " .
 596                                       $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "<br/><br/>\n" .
 597                                       "</div>\n";
 598                         }
 599                 }
 600         }
 601         git_footer_html();
 602 } elsif ($action eq "blobdiff") {
 603         git_header_html();
 604         print "<div class=\"page_nav\">\n";
 605         print "<br/><br/></div>\n";
 606         print "<div class=\"title\">$hash vs $hash_parent</div>\n";
 607         print "<div class=\"page_body\">\n" .
 608               "<pre>\n";
 609         git_diff_html($hash_parent, $hash, $hash_parent, $hash);
 610         print "</pre>\n" .
 611               "<br/></div>";
 612         git_footer_html();
 613 } elsif ($action eq "commitdiff") {
 614         my %co = git_commit($hash);
 615         open my $fd, "-|", "$gitbin/git-diff-tree -r " . $co{'parent'} . " $hash";
 616         my (@difftree) = map { chomp; $_ } <$fd>;
 617         close $fd;
 618
 619         git_header_html();
 620         print "<div class=\"page_nav\"> view\n" .
 621               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | \n" .
 622               $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . " | \n" .
 623               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash"}, "tree") . "\n" .
 624               "<br/><br/></div>\n";
 625         print "<div>\n" .
 626               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "log_title"}, escapeHTML($co{'title'})) . "\n" .
 627               "</div>\n";
 628         print "<div class=\"page_body\">\n" .
 629               "<pre>\n";
 630         foreach my $line (@difftree) {
 631                 # '*100644->100644      blob    8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154      Makefile'
 632                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 633                 my $op = $1;
 634                 my $mode = $2;
 635                 my $type = $3;
 636                 my $id = $4;
 637                 my $file = $5;
 638                 if ($type eq "blob") {
 639                         if ($op eq "+") {
 640                                 git_diff_html("", $file, "", $id);
 641                         } elsif ($op eq "-") {
 642                                 git_diff_html($file, "", $id, "");
 643                         } elsif ($op eq "*") {
 644                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 645                                 if ($1 ne $2) {
 646                                         git_diff_html($file, $file, $1, $2);
 647                                 }
 648                         }
 649                 }
 650         }
 651         print "<br/></pre>\n";
 652         print "</div>";
 653         git_footer_html();
 654 } elsif ($action eq "history") {
 655         if (!(defined($hash))) {
 656                 $hash = git_head($project);
 657         }
 658         open my $fd, "-|", "$gitbin/git-rev-list $hash";
 659         my (@revlist) = map { chomp; $_ } <$fd>;
 660         close $fd;
 661
 662         git_header_html();
 663         print "<div class=\"page_nav\">\n";
 664         print "<br/><br/></div>\n";
 665         print "<div class=\"title\">". escapeHTML($file_name) . "</div>\n";
 666         print "<div class=\"page_body\">\n" .
 667               "<br/>\n" .
 668               "</div>\n";
 669         foreach my $rev (@revlist) {
 670                 my %co = git_commit($rev);
 671                 my $parents  = $co{'parents'};
 672                 my $found = 0;
 673                 foreach my $parent (@$parents) {
 674                         open $fd, "-|", "$gitbin/git-diff-tree -r $parent $rev $file_name";
 675                         my (@difftree) = map { chomp; $_ } <$fd>;
 676                         close $fd;
 677
 678                         foreach my $line (@difftree) {
 679                                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 680                                 my $file = $5;
 681                                 if ($file eq $file_name) {
 682                                         $found = 1;
 683                                         last;
 684                                 }
 685                         }
 686                 }
 687                 if ($found) {
 688                         print "<div>\n" .
 689                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$rev", -class => "list"},
 690                               "<span class=\"log_age\">" . $co{'age_string'} . "</span>" . escapeHTML($co{'title'})) . "\n" .
 691                               "</div>\n";
 692                         print "<div class=\"link\">\n" .
 693                               "view " .
 694                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$rev"}, "commit") . " | " .
 695                               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$rev"}, "tree") . "<br/><br/>\n" .
 696                               "</div>\n";
 697                 }
 698         }
 699         git_footer_html();
 700 } else {
 701         die_error("", "unknown action");
 702 }