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 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 =           "063";
  18 my $projectroot =       "/pub/scm";
  19 my $defaultprojects =   "linux/kernel/git";
  20 my $gitbin =            "/usr/bin";
  21 my $gittmp =            "/tmp/gitweb";
  22 my $giturl =            "/pub/software/scm/cogito";
  23 my $my_url =            $cgi->url();
  24 my $my_uri =            $cgi->url(-absolute => 1);
  25
  26 mkdir($gittmp, 0700);
  27 my $project = $cgi->param('p');
  28 my $action = $cgi->param('a');
  29 my $hash = $cgi->param('h');
  30 my $hash_parent = $cgi->param('hp');
  31 my $file_name = $cgi->param('f');
  32 my $time_back = $cgi->param('t');
  33 $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects";
  34
  35 # validate input
  36 if (defined($project) && $project =~ /(^|\/)(|\.|\.\.)($|\/)/) {
  37         die_error("", "Invalid project parameter.");
  38 }
  39 if (defined($file_name) && $file_name =~ /(^|\/)(|\.|\.\.)($|\/)/) {
  40         die_error("", "Invalid file parameter.");
  41 }
  42 if (defined($action) && !$action =~ m/^[0-9a-zA-Z\.\-]+$/) {
  43         die_error("", "Invalid action parameter.");
  44 }
  45 if (defined($hash) && !($hash =~ m/^[0-9a-fA-F]{40}$/)) {
  46         die_error("", "Invalid hash parameter.");
  47 }
  48 if (defined($hash_parent) && !($hash_parent =~ m/^[0-9a-fA-F]{40}$/)) {
  49         die_error("", "Invalid parent hash parameter.");
  50 }
  51 if (defined($time_back) && !($time_back =~ m/^[0-9]+$/)) {
  52         die_error("", "Invalid time parameter.");
  53 }
  54
  55 sub git_header_html {
  56         my $status = shift || "200 OK";
  57
  58         print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status);
  59         print <<EOF;
  60 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
  61 <html>
  62 <head>
  63         <title>git - $project $action</title>
  64         <link rel="alternate" title="$project log" href="$my_uri?p=$project;a=rss" type="application/rss+xml"/>
  65         <style type="text/css">
  66         body { font-family: sans-serif; font-size: 12px; margin:0px; }
  67         a { color:#0000cc; }
  68         a:hover { color:#880000; }
  69         a:visited { color:#880000; }
  70         a:active { color:#880000; }
  71         div.page_header {
  72                 margin:15px 25px 0px; height:25px; padding:8px;
  73                 font-size:18px; clear:both; font-weight:bold; background-color: #d9d8d1;
  74         }
  75         div.page_header a:visited { color:#0000cc; }
  76         div.page_nav { margin:0px 25px; padding:8px; clear:both; border:solid #d9d8d1; border-width:0px 1px; }
  77         div.page_nav a:visited { color:#0000cc; }
  78         div.page_footer {
  79                 margin:0px 25px 15px; height:17px; padding:4px; padding-left:8px;
  80                 clear:both; background-color: #d9d8d1;
  81         }
  82         div.page_footer_text { float:left; color:#888888; font-size:10px;}
  83         div.page_body { margin:0px 25px; padding:8px; clear:both; border: solid #d9d8d1; border-width:0px 1px; }
  84         div.title {
  85                 display:block; margin:0px 25px; padding:8px; clear:both;
  86                 font-weight:bold; background-color: #d9d8d1; color:#000000;
  87         }
  88         a.log_title {
  89                 display:block; margin:0px 25px; padding:8px; clear:both;
  90                 font-weight:bold; background-color: #d9d8d1; text-decoration:none; color:#000000;
  91         }
  92         a.log_title:hover { background-color: #c9c8c1; }
  93         a.xml_logo { float:right; border:1px solid;
  94                 line-height:15px;
  95                 border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e; width:35px;
  96                 color:#ffffff; background-color:#ff6600;
  97                 font-weight:bold; font-family:sans-serif; text-align:center;
  98                 font-size:11px; display:block; text-decoration:none;
  99         }
 100         a.xml_logo:hover { background-color:#ee5500; }
 101         div.log_head {
 102                 margin:0px 25px; min-height: 30px; padding:8px; clear:both;
 103                 border: solid #d9d8d1; border-width:0px 1px; font-family:monospace;
 104                 background-color: #edece6;
 105         }
 106         div.log_body {
 107                 margin:0px 25px; padding:8px; padding-left:150px; clear:both;
 108                 border:solid #d9d8d1; border-width:0px 1px;
 109         }
 110         span.log_age { position:relative; float:left; width:142px; }
 111         div.log_functions { font-size:10px; font-family:sans-serif; position:relative; float:left; width:142px; }
 112         div.signed_off { color: #a9a8a1; }
 113         </style>
 114 </head>
 115 <body>
 116 EOF
 117         print "<div class=\"page_header\">\n" .
 118               "<a href=\"$giturl\">" .
 119               "<img src=\"$my_uri?a=git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
 120         if ($defaultprojects ne "") {
 121                 print $cgi->a({-href => "$my_uri"}, "projects") . " / ";
 122         }
 123         if ($project ne "") {
 124                 print $cgi->a({-href => "$my_uri?p=$project;a=log"}, $project);
 125         }
 126         if ($action ne "") {
 127                 print " / $action";
 128         }
 129         print "</div>\n";
 130 }
 131
 132 sub git_footer_html {
 133         print "<div class=\"page_footer\">";
 134         print "<div class=\"page_footer_text\">version $version</div>";
 135         if ($project ne '') {
 136                 print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "xml_logo"}, "XML") . "\n";
 137         }
 138         print "</div>";
 139         print "</body>\n</html>";
 140 }
 141
 142 sub die_error {
 143         my $status = shift || "403 Forbidden";
 144         my $error = shift || "Malformed query, file missing or permission denied";
 145         git_header_html($status);
 146         print "<div class=\"page_body\">\n" .
 147               "<br/><br/>\n";
 148         print "$error\n";
 149         print "<br/></div>\n";
 150         git_footer_html();
 151         exit 0;
 152 }
 153
 154 sub git_head {
 155         my $path = shift;
 156         open(my $fd, "$projectroot/$path/HEAD") || die_error("", "Invalid project directory.");;
 157         my $head = <$fd>;
 158         close $fd;
 159         chomp $head;
 160         return $head;
 161 }
 162
 163 sub git_commit {
 164         my $commit = shift;
 165         my %co;
 166         my @parents;
 167
 168         open my $fd, "-|", "$gitbin/cat-file commit $commit";
 169         while (my $line = <$fd>) {
 170                 chomp($line);
 171                 last if $line eq "";
 172                 if ($line =~ m/^tree (.*)$/) {
 173                         $co{'tree'} = $1;
 174                 } elsif ($line =~ m/^parent (.*)$/) {
 175                         push @parents, $1;
 176                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 177                         $co{'author'} = $1;
 178                         $co{'author_epoch'} = $2;
 179                         $co{'author_tz'} = $3;
 180                         $co{'author_name'} = $co{'author'};
 181                         $co{'author_name'} =~ s/ <.*//;
 182                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 183                         $co{'committer'} = $1;
 184                         $co{'committer_epoch'} = $2;
 185                         $co{'committer_tz'} = $3;
 186                         $co{'committer_name'} = $co{'committer'};
 187                         $co{'committer_name'} =~ s/ <.*//;
 188                 }
 189         }
 190         if (!defined($co{'tree'})) { die_error("", "Invalid commit object."); }
 191         $co{'parents'} = \@parents;
 192         $co{'parent'} = $parents[0];
 193         my (@comment) = map { chomp; $_ } <$fd>;
 194         $co{'comment'} = \@comment;
 195         $co{'title'} = $comment[0];
 196         close $fd;
 197
 198         my $age = time - $co{'committer_epoch'};
 199         $co{'age'} = $age;
 200         if ($age > 60*60*24*365*2) {
 201                 $co{'age_string'} = (int $age/60/60/24/365);
 202                 $co{'age_string'} .= " years ago";
 203         } elsif ($age > 60*60*24*365/12*2) {
 204                 $co{'age_string'} = int $age/60/60/24/365/12;
 205                 $co{'age_string'} .= " months ago";
 206         } elsif ($age > 60*60*24*7*2) {
 207                 $co{'age_string'} = int $age/60/60/24/7;
 208                 $co{'age_string'} .= " weeks ago";
 209         } elsif ($age > 60*60*24*2) {
 210                 $co{'age_string'} = int $age/60/60/24;
 211                 $co{'age_string'} .= " days ago";
 212         } elsif ($age > 60*60*2) {
 213                 $co{'age_string'} = int $age/60/60;
 214                 $co{'age_string'} .= " hours ago";
 215         } elsif ($age > 60*2) {
 216                 $co{'age_string'} = int $age/60;
 217                 $co{'age_string'} .= " minutes ago";
 218         }
 219         return %co;
 220 }
 221
 222 sub git_diff_html {
 223         my $from_name = shift || "/dev/null";
 224         my $to_name = shift || "/dev/null";
 225         my $from = shift;
 226         my $to = shift;
 227
 228         my $from_tmp = "/dev/null";
 229         my $to_tmp = "/dev/null";
 230         my $from_label = "/dev/null";
 231         my $to_label = "/dev/null";
 232         my $pid = $$;
 233
 234         # create tmp from-file
 235         if ($from ne "") {
 236                 $from_tmp = "$gittmp/gitweb_" . $$ . "_from";
 237                 open(my $fd2, "> $from_tmp");
 238                 open my $fd, "-|", "$gitbin/cat-file blob $from";
 239                 my @file = <$fd>;
 240                 print $fd2 @file;
 241                 close $fd2;
 242                 close $fd;
 243                 $from_label = "a/$from_name";
 244         }
 245
 246         # create tmp to-file
 247         if ($to ne "") {
 248                 $to_tmp = "$gittmp/gitweb_" . $$ . "_to";
 249                 open my $fd2, "> $to_tmp";
 250                 open my $fd, "-|", "$gitbin/cat-file blob $to";
 251                 my @file = <$fd>;
 252                 print $fd2 @file;
 253                 close $fd2;
 254                 close $fd;
 255                 $to_label = "b/$to_name";
 256         }
 257
 258         open my $fd, "-|", "/usr/bin/diff -u -p -L $from_label -L $to_label $from_tmp $to_tmp";
 259         print "<span style=\"color: #000099;\">===== ";
 260         if ($from ne "") {
 261                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from"}, $from);
 262         } else {
 263                 print $from_name;
 264         }
 265         print " vs ";
 266         if ($to ne "") {
 267                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to"}, $to);
 268         } else {
 269                 print $to_name;
 270         }
 271         print " =====</span>\n";
 272         while (my $line = <$fd>) {
 273                 my $char = substr($line,0,1);
 274                 print '<span style="color: #008800;">' if $char eq '+';
 275                 print '<span style="color: #CC0000;">' if $char eq '-';
 276                 print '<span style="color: #990099;">' if $char eq '@';
 277                 print escapeHTML($line);
 278                 print '</span>' if $char eq '+' or $char eq '-' or $char eq '@';
 279         }
 280         close $fd;
 281
 282         if ($from ne "") {
 283                 unlink("$from_tmp");
 284         }
 285         if ($to ne "") {
 286                 unlink("$to_tmp");
 287         }
 288 }
 289
 290 sub mode_str {
 291         my $perms = oct shift;
 292         my $modestr;
 293         if ($perms & 040000) {
 294                 $modestr .= 'drwxrwxr-x';
 295         } else {
 296                 # git cares only about the executable bit
 297                 if ($perms & 0100) {
 298                         $modestr .= '-rwxrwxr-x';
 299                 } else {
 300                         $modestr .= '-rw-rw-r--';
 301                 };
 302         }
 303         return $modestr;
 304 }
 305
 306 sub date_str {
 307         my $epoch = shift;
 308         my $tz = shift || "-0000";
 309
 310         my %date;
 311         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 312         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 313         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 314         $date{'hour'} = $hour;
 315         $date{'minute'} = $min;
 316         $date{'mday'} = $mday;
 317         $date{'day'} = $days[$wday];
 318         $date{'month'} = $months[$mon];
 319         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 320         $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 321
 322         $tz =~ m/((-|\+)[0-9][0-9])([0-9][0-9])/;
 323         my $local = $epoch + (($1 + ($2/60)) * 3600);
 324         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 325         $date{'hour_local'} = $hour;
 326         $date{'minute_local'} = $min;
 327         $date{'tz_local'} = $tz;
 328         return %date;
 329 }
 330
 331 if ($action eq "git-logo.png") {
 332         print $cgi->header(-type => 'image/png', -expires => '+1d');
 333         print   "\211\120\116\107\015\012\032\012\000\000\000\015\111\110\104\122".
 334                 "\000\000\000\110\000\000\000\033\004\003\000\000\000\055\331\324".
 335                 "\055\000\000\000\030\120\114\124\105\377\377\377\140\140\135\260".
 336                 "\257\252\000\200\000\316\315\307\300\000\000\350\350\346\367\367".
 337                 "\366\225\014\247\107\000\000\000\163\111\104\101\124\050\317\143".
 338                 "\110\147\040\004\112\134\030\012\010\052\142\123\141\040\002\010".
 339                 "\015\151\105\254\241\241\001\060\014\223\140\066\046\122\221\261".
 340                 "\001\021\326\341\125\144\154\154\314\154\154\014\242\014\160\052".
 341                 "\142\006\052\301\142\035\263\001\002\123\244\010\350\000\003\030".
 342                 "\046\126\021\324\341\040\227\033\340\264\016\065\044\161\051\202".
 343                 "\231\060\270\223\012\021\271\105\210\301\215\240\242\104\041\006".
 344                 "\047\101\202\100\205\301\105\211\040\160\001\000\244\075\041\305".
 345                 "\022\034\232\376\000\000\000\000\111\105\116\104\256\102\140\202";
 346         exit;
 347 }
 348
 349 # show list of default projects
 350 if ($project eq "") {
 351         opendir(my $fd, "$projectroot/$defaultprojects") || die_error("", "No projects found.");
 352         my (@users) = sort grep(!/^\./, readdir($fd));
 353         closedir($fd);
 354         git_header_html();
 355         print "<div class=\"page_body\">\n";
 356         print "<br/><br/>\n";
 357         foreach my $user (@users) {
 358                 opendir($fd, "$projectroot/$defaultprojects/$user");
 359                 my (@repos) = sort grep(/\.git$/, readdir($fd));
 360                 closedir($fd);
 361                 foreach my $repo (@repos) {
 362                         if (-e "$projectroot/$defaultprojects/$user/$repo/HEAD") {
 363                                 print $cgi->a({-href => "$my_uri?p=$defaultprojects/$user/$repo;a=log"}, "$defaultprojects/$user/$repo") . "<br/>\n";
 364                         }
 365                 }
 366         }
 367         print "<br/></div>";
 368         git_footer_html();
 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><br/><br/>\n";
 386         open(my $fd, "-|", "$gitbin/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 $fd;
 393         print "<br/><br/></pre>\n";
 394         print "</div>";
 395         git_footer_html();
 396 } elsif ($action eq "tree") {
 397         if ($hash eq "") {
 398                 $hash = git_head($project);
 399         }
 400         open my $fd, "-|", "$gitbin/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). " $t_name (" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash"}, "view") . ")\n";
 418                 } elsif ($t_type eq "tree") {
 419                         print mode_str($t_mode). " $t_name (" . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash"}, "view") . ")\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/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 " . $co{'age_string'} . ".<br/><br/></div>\n";
 460                                 }
 461                                 last;
 462                         }
 463                         print "<div><a href=\"$my_uri?p=$project;a=commit;h=$commit\" class=\"log_title\">\n" .
 464                               "<span class=\"log_age\">" . $co{'age_string'} . "</span>\n" . escapeHTML($co{'title'}) . "</a>\n" .
 465                               "</div>\n";
 466                         print "<div class=\"log_head\">\n" .
 467                               "<div class=\"log_functions\">\n" .
 468                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "view commit") . "<br/>\n" .
 469                               $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "view diff") . "<br/>\n" .
 470                               "</div>\n" .
 471                               escapeHTML($co{'author_name'}) .  " [" . $ad{'rfc2822'} . "]<br/>\n" .
 472                               "</div>\n" .
 473                               "<div class=\"log_body\">\n";
 474                         my $comment = $co{'comment'};
 475                         foreach my $line (@$comment) {
 476                                 if ($line =~ m/^(signed-off|acked)-by:/i) {
 477                                         print '<div class="signed_off">' . escapeHTML($line) . "<br/></div>\n";
 478                                 } else {
 479                                         print escapeHTML($line) . "<br/>\n";
 480                                 }
 481                         }
 482                         print "<br/><br/>\n" .
 483                               "</div>\n";
 484                 } elsif ($action eq "rss") {
 485                         last if ($i >= 20);
 486                         print "<item>\n" .
 487                               "\t<title>" . sprintf("%d %s %02d:%02d", $ad{'mday'}, $ad{'month'}, $ad{'hour'}, $ad{'min'}) . " - " . escapeHTML($co{'title'}) . "</title>\n" .
 488                               "\t<link> " . $my_url . "?p=$project;a=commit;h=$commit</link>\n" .
 489                               "\t<description>";
 490                         my $comment = $co{'comment'};
 491                         foreach my $line (@$comment) {
 492                                 print escapeHTML($line) . "\n";
 493                         }
 494                         print "\t</description>\n" .
 495                               "</item>\n";
 496                 }
 497         }
 498         if ($action eq "log") {
 499                 git_footer_html();
 500         } elsif ($action eq "rss") {
 501                 print "</channel></rss>";
 502         }
 503 } elsif ($action eq "commit") {
 504         my %co = git_commit($hash);
 505         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
 506         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 507         open my $fd, "-|", "$gitbin/diff-tree -r " . $co{'parent'} . " $hash";
 508         my (@difftree) = map { chomp; $_ } <$fd>;
 509         close $fd;
 510
 511         git_header_html();
 512         print "<div class=\"page_nav\"> view\n" .
 513               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | \n" .
 514               $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . "\n" .
 515               "<br/><br/></div>\n";
 516         print "<a class=\"log_title\" href=\"$my_uri?p=$project;a=commitdiff;h=$hash\">$co{'title'}</a>\n";
 517         print "<div class=\"log_head\">\n";
 518         print "author &nbsp; &nbsp; &nbsp;" . escapeHTML($co{'author'}) . "<br/>\n";
 519         print "author-time " . $ad{'rfc2822'};
 520         if ($ad{'hour_local'} < 6) { print "<span style=\"color: #cc0000;\">"; }
 521         printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
 522         if ($ad{'hour_local'} < 6 ) { print "</span>"; }
 523         print "<br/>\n";
 524         print "committer &nbsp; " . escapeHTML($co{'committer'}) . "<br/>\n";
 525         print "commit-time " . $ad{'rfc2822'};
 526         printf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'});
 527         print "<br/>\n";
 528         print "commit &nbsp &nbsp; &nbsp;$hash<br/>\n";
 529         print "tree &nbsp; &nbsp; &nbsp; &nbsp" . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'}"}, $co{'tree'}) . "<br/>\n";
 530         my $parents  = $co{'parents'};
 531         foreach my $par (@$parents) {
 532                 print "parent &nbsp; &nbsp &nbsp" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, $par) . "<br/>\n";
 533         }
 534         print "</div>\n";
 535         print "<div class=\"page_body\">\n";
 536         my $comment = $co{'comment'};
 537         foreach my $line (@$comment) {
 538                 if ($line =~ m/(signed-off|acked)-by:/i) {
 539                         print '<div class="signed_off">' . escapeHTML($line) . "<br/></div>\n";
 540                 } else {
 541                         print escapeHTML($line) . "<br/>\n";
 542                 }
 543         }
 544         print "<br/><br/>\n";
 545         print "<pre>\n";
 546         foreach my $line (@difftree) {
 547                 # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
 548                 # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
 549                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 550                 my $op = $1;
 551                 my $mode = $2;
 552                 my $type = $3;
 553                 my $id = $4;
 554                 my $file = $5;
 555                 $mode =~ m/^([0-7]{6})/;
 556                 my $modestr = mode_str($1);
 557                 if ($type eq "blob") {
 558                         if ($op eq "+") {
 559                                 print "$modestr $file" . "[new] " .
 560                                       "(" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"}, "view") . ")\n";
 561                         } elsif ($op eq "-") {
 562                                 print "$modestr $file" . "[removed] " .
 563                                       "(" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"}, "view") . ")\n";
 564                         } elsif ($op eq "*") {
 565                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 566                                 my $from = $1;
 567                                 my $to = $2;
 568                                 print "$modestr $file " .
 569                                       "(" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to"}, "view") . ")" .
 570                                       "(" . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to;hp=$from"}, "diff") . ")" .
 571                                       "(" . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . ")\n";
 572                         }
 573                 }
 574         }
 575         print "</pre>\n" .
 576               "<br/></div>\n";
 577         git_footer_html();
 578 } elsif ($action eq "blobdiff") {
 579         git_header_html();
 580         print "<div class=\"page_nav\">\n";
 581         print "<br/><br/></div>\n";
 582         print "<div class=\"title\">$hash vs $hash_parent</div>\n";
 583         print "<div class=\"page_body\"><br/><br/>\n" .
 584               "<pre>\n";
 585         git_diff_html($hash_parent, $hash, $hash_parent, $hash);
 586         print "</pre>\n" .
 587               "<br/></div>";
 588         git_footer_html();
 589 } elsif ($action eq "commitdiff") {
 590         my %co = git_commit($hash);
 591         open my $fd, "-|", "$gitbin/diff-tree -r " . $co{'parent'} . " $hash";
 592         my (@difftree) = map { chomp; $_ } <$fd>;
 593         close $fd;
 594
 595         git_header_html();
 596         print "<div class=\"page_nav\"> view\n" .
 597               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | \n" .
 598               $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . "\n" .
 599               "<br/><br/></div>\n";
 600         print $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "log_title"}, $co{'title'}) ."\n";
 601         print "<div class=\"page_body\">\n" .
 602               "<pre>\n";
 603         foreach my $line (@difftree) {
 604                 # '*100644->100644      blob    8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154      Makefile'
 605                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 606                 my $op = $1;
 607                 my $mode = $2;
 608                 my $type = $3;
 609                 my $id = $4;
 610                 my $file = $5;
 611                 if ($type eq "blob") {
 612                         if ($op eq "+") {
 613                                 git_diff_html("", $file, "", $id);
 614                         } elsif ($op eq "-") {
 615                                 git_diff_html($file, "", $id, "");
 616                         } elsif ($op eq "*") {
 617                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 618                                 git_diff_html($file, $file, $1, $2);
 619                         }
 620                 }
 621         }
 622         print "<br/></pre>\n";
 623         print "</div>";
 624         git_footer_html();
 625 } elsif ($action eq "history") {
 626         if (!(defined($hash))) {
 627                 $hash = git_head($project);
 628         }
 629         open my $fd, "-|", "$gitbin/rev-list $hash";
 630         my (@revlist) = map { chomp; $_ } <$fd>;
 631         close $fd;
 632
 633         git_header_html();
 634         print "<div class=\"page_nav\">\n";
 635         print "<br/><br/></div>\n";
 636         print "<div class=\"title\">$file_name</div>\n";
 637         print "<div class=\"page_body\">\n" .
 638               "<pre>\n";
 639         foreach my $rev (@revlist) {
 640                 my %co = git_commit($rev);
 641                 my $parents  = $co{'parents'};
 642                 my $found = 0;
 643                 foreach my $parent (@$parents) {
 644                         open $fd, "-|", "$gitbin/diff-tree -r $parent $rev $file_name";
 645                         my (@difftree) = map { chomp; $_ } <$fd>;
 646                         close $fd;
 647
 648                         foreach my $line (@difftree) {
 649                                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 650                                 my $file = $5;
 651                                 if ($file eq $file_name) {
 652                                         $found = 1;
 653                                         last;
 654                                 }
 655                         }
 656                 }
 657                 if ($found) {
 658                         print $co{'age_string'} . "\t " . $co{'author_name'} . "  - " . $co{'title'} .
 659                               " (" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$rev"}, "view") .")\n";
 660                 }
 661         }
 662         print "<br/></pre>\n";
 663         print "</div>";
 664         git_footer_html();
 665 } else {
 666         die_error("", "unknown action");
 667 }