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 # begin config
  18 my $projectroot =       "/pub/scm";
  19 $projectroot =  "/home/kay/public_html/pub/scm";
  20 my $home_link =         "/git";
  21 $home_link =            "/~kay/git";
  22 my $gitbin =            "/usr/bin";
  23 my $gittmp =            "/tmp/gitweb";
  24 my $logo_link =         "/pub/software/scm/cogito";
  25 $logo_link =            "/~kay/pub/software/scm/cogito";
  26 # end config
  27
  28 my $version =           "089";
  29 my $my_url =            $cgi->url();
  30 my $my_uri =            $cgi->url(-absolute => 1);
  31 my $rss_link = "";
  32
  33 my $project = $cgi->param('p');
  34 if (defined($project)) {
  35         if ($project =~ /(^|\/)(|\.|\.\.)($|\/)/) {
  36                 $project = "";
  37                 die_error("", "Invalid project parameter.");
  38         }
  39         if (!(-d "$projectroot/$project")) {
  40                 $project = "";
  41                 die_error("", "No such project.");
  42         }
  43         $rss_link = "<link rel=\"alternate\" title=\"$project log\" href=\"$my_uri?p=$project;a=rss\" type=\"application/rss+xml\"/>";
  44         $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects";
  45 }
  46
  47 my $file_name = $cgi->param('f');
  48 if (defined($file_name) && $file_name =~ /(^|\/)(|\.|\.\.)($|\/)/) {
  49         $file_name = "";
  50         die_error("", "Invalid file parameter.");
  51 }
  52
  53 my $action = $cgi->param('a');
  54 if (defined($action) && $action =~ m/[^0-9a-zA-Z\.\-]+$/) {
  55         $action = "";
  56         die_error("", "Invalid action parameter.");
  57 }
  58
  59 my $hash = $cgi->param('h');
  60 if (defined($hash) && !($hash =~ m/^[0-9a-fA-F]{40}$/)) {
  61         $hash = "";
  62         die_error("", "Invalid hash parameter.");
  63 }
  64
  65 my $hash_parent = $cgi->param('hp');
  66 if (defined($hash_parent) && !($hash_parent =~ m/^[0-9a-fA-F]{40}$/)) {
  67         $hash_parent = "";
  68         die_error("", "Invalid parent hash parameter.");
  69 }
  70
  71 my $time_back = $cgi->param('t');
  72 if (defined($time_back) && !($time_back =~ m/^[0-9]+$/)) {
  73         $time_back = "";
  74         die_error("", "Invalid time parameter.");
  75 }
  76
  77 mkdir($gittmp, 0700);
  78
  79 sub git_header_html {
  80         my $status = shift || "200 OK";
  81
  82         print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status);
  83         print <<EOF;
  84 <?xml version="1.0" encoding="utf-8"?>
  85 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
  86 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
  87 <!-- git web interface v$version, (C) 2005, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke <ch\@gierke.de> -->
  88 <head>
  89 <title>git - $project</title>
  90 $rss_link
  91 <style type="text/css">
  92 body { font-family: sans-serif; font-size: 12px; margin:0px; }
  93 a { color:#0000cc; }
  94 a:hover { color:#880000; }
  95 a:visited { color:#880000; }
  96 a:active { color:#880000; }
  97 div.page_header\{
  98         margin:15px 25px 0px; height:25px; padding:8px;
  99         font-size:18px; font-weight:bold; background-color:#d9d8d1;
 100 }
 101 div.page_header a:visited { color:#0000cc; }
 102 div.page_header a:hover { color:#880000; }
 103 div.page_nav { margin:0px 25px; padding:8px; border:solid #d9d8d1; border-width:0px 1px; }
 104 div.page_nav a:visited { color:#0000cc; }
 105 div.page_footer { margin:0px 25px 15px; height:17px; padding:4px; padding-left:8px; background-color: #d9d8d1; }
 106 div.page_footer_text { float:left; color:#555555; font-style:italic; }
 107 div.page_body { margin:0px 25px; padding:8px; border:solid #d9d8d1; border-width:0px 1px; }
 108 div.title, a.title {
 109         display:block; margin:0px 25px; padding:6px 8px;
 110         font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
 111 }
 112 a.title:hover { background-color: #d9d8d1; }
 113 div.title_text { margin:0px 25px; padding:6px 8px; border: solid #d9d8d1; border-width:0px 1px 1px; }
 114 div.log_body { margin:0px 25px; padding:8px; padding-left:150px; border:solid #d9d8d1; border-width:0px 1px; }
 115 span.log_age { position:relative; float:left; width:142px; font-style:italic; }
 116 div.log_link { font-size:10px; font-family:sans-serif; font-style:normal; position:relative; float:left; width:142px; }
 117 div.list {
 118         display:block; margin:0px 25px; padding:4px 6px 2px; border:solid #d9d8d1; border-width:1px 1px 0px;
 119         font-weight:bold;
 120 }
 121 div.list_head {
 122         display:block; margin:0px 25px; padding:4px 6px 4px; border:solid #d9d8d1; border-width:1px 1px 0px;
 123         font-style:italic;
 124 }
 125 div.list a { text-decoration:none; color:#000000; }
 126 div.list a:hover { color:#880000; }
 127 div.link {
 128         margin:0px 25px; padding:0px 6px 8px; border:solid #d9d8d1; border-width:0px 1px;
 129         font-family:sans-serif; font-size:10px;
 130 }
 131 td.key { padding-right:10px;  }
 132 span.diff_info { color:#000099; background-color:#eeeeee; font-style:italic; }
 133 a.rss_logo { float:right; border:1px solid;
 134         line-height:15px;
 135         border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e; width:35px;
 136         color:#ffffff; background-color:#ff6600;
 137         font-weight:bold; font-family:sans-serif; text-align:center;
 138         font-size:10px; display:block; text-decoration:none;
 139 }
 140 a.rss_logo:hover { background-color:#ee5500; }
 141 </style>
 142 </head>
 143 <body>
 144 EOF
 145         print "<div class=\"page_header\">\n" .
 146               "<a href=\"$logo_link\">" .
 147               "<img src=\"$my_uri?a=git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
 148         print $cgi->a({-href => "$my_uri"}, "projects") . " / ";
 149         if ($project ne "") {
 150                 print $cgi->a({-href => "$my_uri?p=$project;a=log"}, escapeHTML($project));
 151         }
 152         if ($action ne "") {
 153                 print " / $action";
 154         }
 155         print "</div>\n";
 156 }
 157
 158 sub git_footer_html {
 159         print "<div class=\"page_footer\">\n";
 160         if ($project ne "") {
 161                 if (-e "$projectroot/$project/description") {
 162                         open(my $fd, "$projectroot/$project/description");
 163                         my $descr = <$fd>;
 164                         print "<div class=\"page_footer_text\">" . escapeHTML($descr) . "</div>\n";
 165                         close $fd;
 166                 }
 167                 print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "rss_logo"}, "RSS") . "\n";
 168         }
 169         print "</div>\n" .
 170               "</body>\n" .
 171               "</html>";
 172 }
 173
 174 sub die_error {
 175         my $status = shift || "403 Forbidden";
 176         my $error = shift || "Malformed query, file missing or permission denied";
 177
 178         git_header_html($status);
 179         print "<div class=\"page_body\">\n" .
 180               "<br/><br/>\n";
 181         print "$status - $error\n";
 182         print "<br/></div>\n";
 183         git_footer_html();
 184         exit 0;
 185 }
 186
 187 sub git_head {
 188         my $path = shift;
 189         open(my $fd, "$projectroot/$path/HEAD") || die_error("", "Invalid project directory.");
 190         my $head = <$fd>;
 191         close $fd;
 192         chomp $head;
 193         return $head;
 194 }
 195
 196 sub git_commit {
 197         my $commit = shift;
 198         my %co;
 199         my @parents;
 200
 201         open my $fd, "-|", "$gitbin/git-cat-file commit $commit";
 202         while (my $line = <$fd>) {
 203                 chomp($line);
 204                 last if $line eq "";
 205                 if ($line =~ m/^tree (.*)$/) {
 206                         $co{'tree'} = $1;
 207                 } elsif ($line =~ m/^parent (.*)$/) {
 208                         push @parents, $1;
 209                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 210                         $co{'author'} = $1;
 211                         $co{'author_epoch'} = $2;
 212                         $co{'author_tz'} = $3;
 213                         $co{'author_name'} = $co{'author'};
 214                         $co{'author_name'} =~ s/ <.*//;
 215                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 216                         $co{'committer'} = $1;
 217                         $co{'committer_epoch'} = $2;
 218                         $co{'committer_tz'} = $3;
 219                         $co{'committer_name'} = $co{'committer'};
 220                         $co{'committer_name'} =~ s/ <.*//;
 221                 }
 222         }
 223         if (!defined($co{'tree'})) {
 224                 return;
 225         }
 226         $co{'parents'} = \@parents;
 227         $co{'parent'} = $parents[0];
 228         my (@comment) = map { chomp; $_ } <$fd>;
 229         $co{'comment'} = \@comment;
 230         $co{'title'} = $comment[0];
 231         close $fd;
 232
 233         my $age = time - $co{'committer_epoch'};
 234         $co{'age'} = $age;
 235         if ($age > 60*60*24*365*2) {
 236                 $co{'age_string'} = (int $age/60/60/24/365);
 237                 $co{'age_string'} .= " years ago";
 238         } elsif ($age > 60*60*24*365/12*2) {
 239                 $co{'age_string'} = int $age/60/60/24/365/12;
 240                 $co{'age_string'} .= " months ago";
 241         } elsif ($age > 60*60*24*7*2) {
 242                 $co{'age_string'} = int $age/60/60/24/7;
 243                 $co{'age_string'} .= " weeks ago";
 244         } elsif ($age > 60*60*24*2) {
 245                 $co{'age_string'} = int $age/60/60/24;
 246                 $co{'age_string'} .= " days ago";
 247         } elsif ($age > 60*60*2) {
 248                 $co{'age_string'} = int $age/60/60;
 249                 $co{'age_string'} .= " hours ago";
 250         } elsif ($age > 60*2) {
 251                 $co{'age_string'} = int $age/60;
 252                 $co{'age_string'} .= " minutes ago";
 253         }
 254         return %co;
 255 }
 256
 257 sub git_diff_html {
 258         my $from = shift;
 259         my $from_name = shift;
 260         my $to = shift;
 261         my $to_name = shift;
 262
 263         my $from_tmp = "/dev/null";
 264         my $to_tmp = "/dev/null";
 265         my $pid = $$;
 266
 267         # create tmp from-file
 268         if ($from ne "") {
 269                 $from_tmp = "$gittmp/gitweb_" . $$ . "_from";
 270                 open(my $fd2, "> $from_tmp");
 271                 open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 272                 my @file = <$fd>;
 273                 print $fd2 @file;
 274                 close $fd2;
 275                 close $fd;
 276         }
 277
 278         # create tmp to-file
 279         if ($to ne "") {
 280                 $to_tmp = "$gittmp/gitweb_" . $$ . "_to";
 281                 open my $fd2, "> $to_tmp";
 282                 open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 283                 my @file = <$fd>;
 284                 print $fd2 @file;
 285                 close $fd2;
 286                 close $fd;
 287         }
 288
 289         open my $fd, "-|", "/usr/bin/diff -u -p -L $from_name -L $to_name $from_tmp $to_tmp";
 290         while (my $line = <$fd>) {
 291                 my $char = substr($line,0,1);
 292                 # skip errors
 293                 next if $char eq '\\';
 294                 # color the diff
 295                 print '<span style="color: #008800;">' if $char eq '+';
 296                 print '<span style="color: #CC0000;">' if $char eq '-';
 297                 print '<span style="color: #990099;">' if $char eq '@';
 298                 print escapeHTML($line);
 299                 print '</span>' if $char eq '+' or $char eq '-' or $char eq '@';
 300         }
 301         close $fd;
 302
 303         if ($from ne "") {
 304                 unlink($from_tmp);
 305         }
 306         if ($to ne "") {
 307                 unlink($to_tmp);
 308         }
 309 }
 310
 311 sub mode_str {
 312         my $mode = oct shift;
 313
 314         my $modestr;
 315         if (($mode & 00170000) == 0040000 ) {
 316                 $modestr = 'drwxr-xr-x';
 317         } elsif (($mode & 00170000) == 0120000 ) {
 318                 $modestr = 'lrwxrwxrwx';
 319         } elsif (($mode & 00170000) == 0100000 ) {
 320                 # git cares only about the executable bit
 321                 if ($mode & 0100) {
 322                         $modestr = '-rwxr-xr-x';
 323                 } else {
 324                         $modestr = '-rw-r--r--';
 325                 };
 326         }
 327         return $modestr;
 328 }
 329
 330 sub file_type {
 331         my $mode = oct shift;
 332
 333         if (($mode & 0170000) == 0040000 ) {
 334                 return "directory";
 335         } elsif (($mode & 0170000) == 0120000 ) {
 336                 return "symlink";
 337         } elsif (($mode & 0170000) == 0100000 ) {
 338                 if ($mode & 0100) {
 339                         return "executable file";
 340                 } else {
 341                         return "file";
 342                 }
 343         } else {
 344                 return "unknown";
 345         }
 346 }
 347
 348 sub date_str {
 349         my $epoch = shift;
 350         my $tz = shift || "-0000";
 351
 352         my %date;
 353         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 354         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 355         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 356         $date{'hour'} = $hour;
 357         $date{'minute'} = $min;
 358         $date{'mday'} = $mday;
 359         $date{'day'} = $days[$wday];
 360         $date{'month'} = $months[$mon];
 361         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 362         $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 363
 364         $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 365         my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 366         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 367         $date{'hour_local'} = $hour;
 368         $date{'minute_local'} = $min;
 369         $date{'tz_local'} = $tz;
 370         return %date;
 371 }
 372
 373 if (defined($action) && $action eq "git-logo.png") {
 374         print $cgi->header(-type => 'image/png', -expires => '+1d');
 375         print   "\211\120\116\107\015\012\032\012\000\000\000\015\111\110\104\122".
 376                 "\000\000\000\110\000\000\000\033\004\003\000\000\000\055\331\324".
 377                 "\055\000\000\000\030\120\114\124\105\377\377\377\140\140\135\260".
 378                 "\257\252\000\200\000\316\315\307\300\000\000\350\350\346\367\367".
 379                 "\366\225\014\247\107\000\000\000\163\111\104\101\124\050\317\143".
 380                 "\110\147\040\004\112\134\030\012\010\052\142\123\141\040\002\010".
 381                 "\015\151\105\254\241\241\001\060\014\223\140\066\046\122\221\261".
 382                 "\001\021\326\341\125\144\154\154\314\154\154\014\242\014\160\052".
 383                 "\142\006\052\301\142\035\263\001\002\123\244\010\350\000\003\030".
 384                 "\046\126\021\324\341\040\227\033\340\264\016\065\044\161\051\202".
 385                 "\231\060\270\223\012\021\271\105\210\301\215\240\242\104\041\006".
 386                 "\047\101\202\100\205\301\105\211\040\160\001\000\244\075\041\305".
 387                 "\022\034\232\376\000\000\000\000\111\105\116\104\256\102\140\202";
 388         exit;
 389 }
 390
 391 if (!defined($project)) {
 392         print $cgi->redirect($home_link);
 393         exit;
 394 }
 395
 396 if (!defined($action)) {
 397         $action = "log";
 398 }
 399
 400 if (!defined($time_back)) {
 401         $time_back = 1;
 402 }
 403
 404 if ($action eq "blob") {
 405         git_header_html();
 406         print "<div class=\"page_nav\">\n";
 407         print "<br/><br/></div>\n";
 408         print "<div class=\"title\">$hash</div>\n";
 409         print "<div class=\"page_body\"><pre>\n";
 410         open(my $fd, "-|", "$gitbin/git-cat-file blob $hash");
 411         my $nr;
 412         while (my $line = <$fd>) {
 413                 $nr++;
 414                 printf "<span style =\"color: #999999;\">%4i\t</span>%s", $nr, escapeHTML($line);;
 415         }
 416         close $fd;
 417         print "<br/></pre>\n";
 418         print "</div>";
 419         git_footer_html();
 420 } elsif ($action eq "tree") {
 421         if ($hash eq "") {
 422                 $hash = git_head($project);
 423         }
 424         open my $fd, "-|", "$gitbin/git-ls-tree $hash";
 425         my (@entries) = map { chomp; $_ } <$fd>;
 426         close $fd;
 427
 428         git_header_html();
 429         my %co = git_commit($hash);
 430         if (%co) {
 431                 print "<div class=\"page_nav\"> view\n" .
 432                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | " .
 433                       $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . " | " .
 434                       $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash"}, "tree") .
 435                       "<br/><br/>\n" .
 436                       "</div>\n";
 437                 print "<div>\n" .
 438                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
 439                       "</div>\n";
 440         } else {
 441                 print "<div class=\"page_nav\">\n";
 442                 print "<br/><br/></div>\n";
 443                 print "<div class=\"title\">$hash</div>\n";
 444         }
 445         print "<div class=\"page_body\">\n";
 446         print "<br/><pre>\n";
 447         foreach my $line (@entries) {
 448                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 449                 $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 450                 my $t_mode = $1;
 451                 my $t_type = $2;
 452                 my $t_hash = $3;
 453                 my $t_name = $4;
 454                 if ($t_type eq "blob") {
 455                         print mode_str($t_mode). " " . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash"}, $t_name);
 456                         if (((oct $t_mode) & 0170000) == 0120000) {
 457                                 open my $fd, "-|", "$gitbin/git-cat-file blob $t_hash";
 458                                 my $target = <$fd>;
 459                                 close $fd;
 460                                 print "\t -> $target";
 461                         }
 462                         print "\n";
 463                 } elsif ($t_type eq "tree") {
 464                         print mode_str($t_mode). " " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash"}, $t_name) . "\n";
 465                 }
 466         }
 467         print "</pre>\n";
 468         print "<br/></div>";
 469         git_footer_html();
 470 } elsif ($action eq "rss") {
 471         open my $fd, "-|", "$gitbin/git-rev-list --max-count=20 " . git_head($project);
 472         my (@revlist) = map { chomp; $_ } <$fd>;
 473         close $fd;
 474
 475         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
 476         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
 477               "<rss version=\"0.91\">\n";
 478         print "<channel>\n";
 479         print "<title>$project</title>\n".
 480               "<link> " . $my_url . "/$project/log</link>\n".
 481               "<description>$project log</description>\n".
 482               "<language>en</language>\n";
 483
 484         foreach my $commit (@revlist) {
 485                 my %co = git_commit($commit);
 486                 my %ad = date_str($co{'author_epoch'});
 487                 print "<item>\n" .
 488                       "\t<title>" . sprintf("%d %s %02d:%02d", $ad{'mday'}, $ad{'month'}, $ad{'hour'}, $ad{'min'}) . " - " . escapeHTML($co{'title'}) . "</title>\n" .
 489                       "\t<link> " . $my_url . "?p=$project;a=commit;h=$commit</link>\n" .
 490                       "\t<description>";
 491                 my $comment = $co{'comment'};
 492                 foreach my $line (@$comment) {
 493                         print escapeHTML($line) . "<br/>\n";
 494                 }
 495                 print "\t</description>\n" .
 496                       "</item>\n";
 497         }
 498         print "</channel></rss>";
 499 } elsif ($action eq "log") {
 500         my $date = 0;
 501         if ($time_back > 0) {
 502                 $date = time - $time_back*24*60*60;
 503         }
 504         my $head = git_head($project);
 505         open my $fd, "-|", "$gitbin/git-rev-list --max-age=$date $head";
 506         my (@revlist) = map { chomp; $_ } <$fd>;
 507         close $fd;
 508
 509         git_header_html();
 510         print "<div class=\"page_nav\">\n";
 511         print "view  ";
 512         print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "last day") . " | " .
 513               $cgi->a({-href => "$my_uri?p=$project;a=log;t=7"}, "week") . " | " .
 514               $cgi->a({-href => "$my_uri?p=$project;a=log;t=31"}, "month") . " | " .
 515               $cgi->a({-href => "$my_uri?p=$project;a=log;t=365"}, "year") . " | " .
 516               $cgi->a({-href => "$my_uri?p=$project;a=log;t=0"}, "all") . "<br/>\n";
 517         print "<br/><br/>\n" .
 518               "</div>\n";
 519
 520         if (!(@revlist)) {
 521                 my %co = git_commit($head);
 522                 print "<div class=\"page_body\"> Last change " . $co{'age_string'} . ".<br/><br/></div>\n";
 523         }
 524
 525         foreach my $commit (@revlist) {
 526                 my %co = git_commit($commit);
 527                 my %ad = date_str($co{'author_epoch'});
 528                 print "<div>\n" .
 529                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "title"},
 530                       "<span class=\"log_age\">" . $co{'age_string'} . "</span>" . escapeHTML($co{'title'})) . "\n" .
 531                       "</div>\n";
 532                 print "<div class=\"title_text\">\n" .
 533                       "<div class=\"log_link\">\n" .
 534                       "view " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") . " | " .
 535                       $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "diff") . "<br/>\n" .
 536                       "</div>\n" .
 537                       "<i>" . escapeHTML($co{'author_name'}) .  " [" . $ad{'rfc2822'} . "]</i><br/>\n" .
 538                       "</div>\n" .
 539                       "<div class=\"log_body\">\n";
 540                 my $comment = $co{'comment'};
 541                 foreach my $line (@$comment) {
 542                         last if ($line =~ m/^(signed-off|acked)-by:/i);
 543                                 print escapeHTML($line) . "<br/>\n";
 544                 }
 545                 print "<br/>\n" .
 546                       "</div>\n";
 547         }
 548         git_footer_html();
 549 } elsif ($action eq "commit") {
 550         my %co = git_commit($hash);
 551         if (!%co) {
 552                 die_error("", "Unknown commit object.");
 553         }
 554         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
 555         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 556
 557         my @difftree;
 558         if (defined($co{'parent'})) {
 559                 open my $fd, "-|", "$gitbin/git-diff-tree -r " . $co{'parent'} . " $hash";
 560                 @difftree = map { chomp; $_ } <$fd>;
 561                 close $fd;
 562         } else {
 563                 # fake git-diff-tree output for initial revision
 564                 open my $fd, "-|", "$gitbin/git-ls-tree -r $hash";
 565                 @difftree = map { chomp;  "+" . $_ } <$fd>;
 566                 close $fd;
 567         }
 568         git_header_html();
 569         print "<div class=\"page_nav\"> view\n" .
 570               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | \n" .
 571               $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . " | \n" .
 572               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash"}, "tree") . "\n" .
 573               "<br/><br/></div>\n";
 574         print "<div>\n" .
 575               $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
 576               "</div>\n";
 577         print "<div class=\"title_text\">\n" .
 578               "<table cellspacing=\"0\">";
 579         print "<tr><td class=\"key\">author</td><td>" . escapeHTML($co{'author'}) . "</td><tr><td></td><td>" .
 580               " " . $ad{'rfc2822'};
 581         if ($ad{'hour_local'} < 6) {
 582                 print "<span style=\"color: #cc0000;\">";
 583         }
 584         printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
 585         if ($ad{'hour_local'} < 6 ) {
 586                 print "</span>";
 587         }
 588         print "</i>\n" .
 589               "</td></tr>\n";
 590         print "<tr><td class=\"key\">committer</td><td>" . escapeHTML($co{'committer'}) . "</td><tr><td></td><td>" .
 591               " " . $cd{'rfc2822'} . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</i>\n" .
 592               "</td></tr>\n";
 593         print "<tr><td class=\"key\">commit</td><td style=\"font-family: monospace;\">$hash</td></tr>\n";
 594         print "<tr><td class=\"key\">tree</td><td style=\"font-family: monospace;\">" . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash"}, $co{'tree'}) . "</td></tr>\n";
 595         my $parents  = $co{'parents'};
 596         foreach my $par (@$parents) {
 597                 print "<tr><td class=\"key\">parent</td><td style=\"font-family: monospace;\">" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, $par) . "</td></tr>\n";
 598         }
 599         print "</table></div>\n";
 600         print "<div class=\"page_body\">\n";
 601         my $comment = $co{'comment'};
 602         foreach my $line (@$comment) {
 603                 if ($line =~ m/(signed-off|acked)-by:/i) {
 604                         print "<span style=\"color: #888888\">" . escapeHTML($line) . "</span><br/>\n";
 605                 } else {
 606                         print escapeHTML($line) . "<br/>\n";
 607                 }
 608         }
 609         print "</div>\n";
 610         if ($#difftree > 10) {
 611                 print "<div class=\"list_head\">" . ($#difftree + 1) . " files changed:<br/></div>\n";
 612         }
 613         foreach my $line (@difftree) {
 614                 # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
 615                 # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
 616                 # '*100664->100644      blob    b1a8e3dd5556b61dd771d32307c6ee5d7150fa43->b1a8e3dd5556b61dd771d32307c6ee5d7150fa43      show-files.c'
 617                 # '*100664->100644      blob    d08e895238bac36d8220586fdc28c27e1a7a76d3->d08e895238bac36d8220586fdc28c27e1a7a76d3      update-cache.c'
 618                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 619                 my $op = $1;
 620                 my $mode = $2;
 621                 my $type = $3;
 622                 my $id = $4;
 623                 my $file = $5;
 624                 my $mode_chng = "";
 625                 if ($type eq "blob") {
 626                         if ($op eq "+") {
 627                                 print "<div class=\"list\">\n" .
 628                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"},
 629                                       escapeHTML($file) . " <span style=\"color: #008000;\">[new " . file_type($mode) . "]</span>") . "\n" .
 630                                       "</div>";
 631                                 print "<div class=\"link\">\n" .
 632                                       "view " .
 633                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"}, "file") . "<br/>\n" .
 634                                       "</div>\n";
 635                         } elsif ($op eq "-") {
 636                                 print "<div class=\"list\">\n" .
 637                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"},
 638                                       escapeHTML($file) .  " <span style=\"color: #c00000;\">[deleted " . file_type($mode) . "]</span>") . "\n" .
 639                                       "</div>";
 640                                 print "<div class=\"link\">\n" .
 641                                       "view " .
 642                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"}, "file") . " | " .
 643                                       $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "<br/>\n" .
 644                                       "</div>\n";
 645                         } elsif ($op eq "*") {
 646                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 647                                 my $from_id = $1;
 648                                 my $to_id = $2;
 649                                 $mode =~ m/^([0-7]{6})->([0-7]{6})$/;
 650                                 my $from_mode = $1;
 651                                 my $to_mode = $2;
 652                                 my $mode_chnge = "";
 653                                 if (((oct $from_mode) & 0170100) != ((oct $to_mode) & 0170100)) {
 654                                         $mode_chnge = " <span style=\"color: #888888;\">[changed from " . file_type($from_mode) . " to " . file_type($to_mode) . "]</span>\n";
 655                                 }
 656                                 print "<div class=\"list\">\n";
 657                                 if ($to_id ne $from_id) {
 658                                         print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id"},
 659                                               escapeHTML($file) . $mode_chnge) . "\n" .
 660                                               "</div>\n";
 661                                 } else {
 662                                         print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id"},
 663                                               escapeHTML($file) . $mode_chnge) . "\n" .
 664                                               "</div>\n";
 665                                 }
 666                                 print "<div class=\"link\">\n" .
 667                                       "view ";
 668                                 if ($to_id ne $from_id) {
 669                                         print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id"}, "diff") . " | ";
 670                                 }
 671                                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id"}, "file") . " | " .
 672                                       $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "<br/>\n" .
 673                                       "</div>\n";
 674                         }
 675                 }
 676         }
 677         git_footer_html();
 678 } elsif ($action eq "blobdiff") {
 679         git_header_html();
 680         print "<div class=\"page_nav\">\n";
 681         print "<br/><br/></div>\n";
 682         print "<div class=\"title\">$hash vs $hash_parent</div>\n";
 683         print "<div class=\"page_body\">\n" .
 684               "<pre>\n";
 685         print "<span class=\"diff_info\">blob:" .
 686               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash_parent"}, $hash_parent) .
 687               " -> blob:" .
 688               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash"}, $hash) .
 689               "</span>\n";
 690         git_diff_html($hash_parent, $hash_parent, $hash, $hash);
 691         print "</pre>\n" .
 692               "<br/></div>";
 693         git_footer_html();
 694 } elsif ($action eq "commitdiff") {
 695         my %co = git_commit($hash);
 696         if (!%co) {
 697                 die_error("", "Unknown commit object.");
 698         }
 699         open my $fd, "-|", "$gitbin/git-diff-tree -r " . $co{'parent'} . " $hash";
 700         my (@difftree) = map { chomp; $_ } <$fd>;
 701         close $fd;
 702
 703         git_header_html();
 704         print "<div class=\"page_nav\"> view\n" .
 705               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | \n" .
 706               $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . " | \n" .
 707               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash"}, "tree") . "\n" .
 708               "<br/><br/></div>\n";
 709         print "<div>\n" .
 710               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
 711               "</div>\n";
 712         print "<div class=\"page_body\">\n" .
 713               "<pre>\n";
 714         foreach my $line (@difftree) {
 715                 # '*100644->100644      blob    8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154      Makefile'
 716                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 717                 my $op = $1;
 718                 my $mode = $2;
 719                 my $type = $3;
 720                 my $id = $4;
 721                 my $file = $5;
 722                 if ($type eq "blob") {
 723                         if ($op eq "+") {
 724                                 print "<span class=\"diff_info\">new " .  file_type($mode) . ":" .
 725                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"}, $id) .
 726                                       "</span>\n";
 727                                 git_diff_html("", "/dev/null", $id, "b/$file");
 728                         } elsif ($op eq "-") {
 729                                 print "<span class=\"diff_info\">deleted " . file_type($mode) . ":" .
 730                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"}, $id) .
 731                                       "</span>\n";
 732                                 git_diff_html($id, "a/$file", "", "/dev/null");
 733                         } elsif ($op eq "*") {
 734                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 735                                 my $from_id = $1;
 736                                 my $to_id = $2;
 737                                 $mode =~ m/([0-7]+)->([0-7]+)/;
 738                                 my $from_mode = $1;
 739                                 my $to_mode = $2;
 740                                 if ($from_id ne $to_id) {
 741                                         print "<span class=\"diff_info\">" .
 742                                               file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id"}, $from_id) .
 743                                               " -> " .
 744                                               file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id"}, $to_id);
 745                                         print "</span>\n";
 746                                         git_diff_html($from_id, "a/$file",  $to_id, "b/$file");
 747                                 }
 748                         }
 749                 }
 750         }
 751         print "<br/></pre>\n";
 752         print "</div>";
 753         git_footer_html();
 754 } elsif ($action eq "history") {
 755         if (!(defined($hash))) {
 756                 $hash = git_head($project);
 757         }
 758         open my $fd, "-|", "$gitbin/git-rev-list $hash";
 759         my (@revlist) = map { chomp; $_ } <$fd>;
 760         close $fd;
 761
 762         git_header_html();
 763         print "<div class=\"page_nav\">\n";
 764         print "<br/><br/></div>\n";
 765         print "<div>\n" .
 766               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($file_name)) . "\n" .
 767               "</div>\n";
 768         foreach my $rev (@revlist) {
 769                 my %co = git_commit($rev);
 770                 my $parents  = $co{'parents'};
 771                 my $found = 0;
 772                 foreach my $parent (@$parents) {
 773                         open $fd, "-|", "$gitbin/git-diff-tree -r $parent $rev $file_name";
 774                         my (@difftree) = map { chomp; $_ } <$fd>;
 775                         close $fd;
 776
 777                         foreach my $line (@difftree) {
 778                                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 779                                 my $file = $5;
 780                                 if ($file eq $file_name) {
 781                                         $found = 1;
 782                                         last;
 783                                 }
 784                         }
 785                 }
 786                 if ($found) {
 787                         print "<div class=\"list\">\n" .
 788                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$rev"},
 789                               "<span class=\"log_age\">" . $co{'age_string'} . "</span>" . escapeHTML($co{'title'})) . "\n" .
 790                               "</div>\n";
 791                         print "<div class=\"link\">\n" .
 792                               "view " .
 793                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$rev"}, "commit") . " | " .
 794                               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$rev"}, "tree") . "<br/><br/>\n" .
 795                               "</div>\n";
 796                 }
 797         }
 798         git_footer_html();
 799 } else {
 800         $action = "";
 801         die_error("", "Unknown action.");
 802 }