gitweb.cgi

   1 #!/usr/bin/perl
   2
   3 # gitweb - 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 program is licensed under the GPL v2, or a later version
   9
  10 use strict;
  11 use warnings;
  12 use CGI qw(:standard :escapeHTML -nosticky);
  13 use CGI::Util qw(unescape);
  14 use CGI::Carp qw(fatalsToBrowser);
  15 use Fcntl ':mode';
  16
  17 my $cgi = new CGI;
  18 my $version =           "236";
  19 my $my_url =            $cgi->url();
  20 my $my_uri =            $cgi->url(-absolute => 1);
  21 my $rss_link = "";
  22
  23 # absolute fs-path which will be prepended to the project path
  24 my $projectroot =       "/pub/scm";
  25 $projectroot = "/home/kay/public_html/pub/scm";
  26
  27 # location of the git-core binaries
  28 my $gitbin =            "/usr/bin";
  29
  30 # location for temporary files needed for diffs
  31 my $git_temp =          "/tmp/gitweb";
  32
  33 # target of the home link on top of all pages
  34 my $home_link =         $my_uri;
  35
  36 # html text to include at home page
  37 my $home_text =         "indextext.html";
  38
  39 # source of projects list
  40 #my $projects_list = $projectroot;
  41 my $projects_list = "index/index.aux";
  42
  43 # input validation and dispatch
  44 my $action = $cgi->param('a');
  45 if (defined $action) {
  46         if ($action =~ m/[^0-9a-zA-Z\.\-_]+/) {
  47                 undef $action;
  48                 die_error(undef, "Invalid action parameter.");
  49         }
  50         if ($action eq "git-logo.png") {
  51                 git_logo();
  52                 exit;
  53         } elsif ($action eq "opml") {
  54                 git_opml();
  55                 exit;
  56         }
  57 }
  58
  59 my $project = $cgi->param('p');
  60 if (defined $project) {
  61         if ($project =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
  62                 undef $project;
  63                 die_error(undef, "Non-canonical project parameter.");
  64         }
  65         if ($project =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~]/) {
  66                 undef $project;
  67                 die_error(undef, "Invalid character in project parameter.");
  68         }
  69         if (!(-d "$projectroot/$project")) {
  70                 undef $project;
  71                 die_error(undef, "No such directory.");
  72         }
  73         if (!(-e "$projectroot/$project/HEAD")) {
  74                 undef $project;
  75                 die_error(undef, "No such project.");
  76         }
  77         $rss_link = "<link rel=\"alternate\" title=\"$project log\" href=\"$my_uri?p=$project;a=rss\" type=\"application/rss+xml\"/>";
  78         $ENV{'GIT_DIR'} = "$projectroot/$project";
  79 } else {
  80         git_project_list();
  81         exit;
  82 }
  83
  84 my $file_name = $cgi->param('f');
  85 if (defined $file_name) {
  86         if ($file_name =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
  87                 undef $file_name;
  88                 die_error(undef, "Non-canonical file parameter.");
  89         }
  90         if ($file_name =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~\:\!]/) {
  91                 undef $file_name;
  92                 die_error(undef, "Invalid character in file parameter.");
  93         }
  94 }
  95
  96 my $hash = $cgi->param('h');
  97 if (defined $hash) {
  98         if (!($hash =~ m/^[0-9a-fA-F]{40}$/)) {
  99                 if ($hash =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 100                         undef $hash;
 101                         die_error(undef, "Non-canonical hash parameter.");
 102                 }
 103                 if ($hash =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~\:\!]/) {
 104                         undef $hash;
 105                         die_error(undef, "Invalid character in hash parameter.");
 106                 }
 107                 # replace branch-name with hash
 108                 my $branchlist = git_read_refs("refs/heads");
 109                 foreach my $entry (@$branchlist) {
 110                         my %branch = %$entry;
 111                         if ($branch{'name'} eq $hash) {
 112                                 $hash = $branch{'id'};
 113                                 last;
 114                         }
 115                 }
 116         }
 117 }
 118
 119 my $hash_parent = $cgi->param('hp');
 120 if (defined $hash_parent && !($hash_parent =~ m/^[0-9a-fA-F]{40}$/)) {
 121         undef $hash_parent;
 122         die_error(undef, "Invalid hash_parent parameter.");
 123 }
 124
 125 my $hash_base = $cgi->param('hb');
 126 if (defined $hash_base && !($hash_base =~ m/^[0-9a-fA-F]{40}$/)) {
 127         undef $hash_base;
 128         die_error(undef, "Invalid parent hash parameter.");
 129 }
 130
 131 my $page = $cgi->param('pg');
 132 if (defined $page) {
 133         if ($page =~ m/^[^0-9]+$/) {
 134                 undef $page;
 135                 die_error(undef, "Invalid page parameter.");
 136         }
 137 }
 138
 139 my $searchtext = $cgi->param('s');
 140 if (defined $searchtext) {
 141         if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 142                 undef $searchtext;
 143                 die_error(undef, "Invalid search parameter.");
 144         }
 145         $searchtext = quotemeta $searchtext;
 146 }
 147
 148 if (!defined $action || $action eq "summary") {
 149         git_summary();
 150         exit;
 151 } elsif ($action eq "branches") {
 152         git_branches();
 153         exit;
 154 } elsif ($action eq "tags") {
 155         git_tags();
 156         exit;
 157 } elsif ($action eq "blob") {
 158         git_blob();
 159         exit;
 160 } elsif ($action eq "blob_plain") {
 161         git_blob_plain();
 162         exit;
 163 } elsif ($action eq "tree") {
 164         git_tree();
 165         exit;
 166 } elsif ($action eq "rss") {
 167         git_rss();
 168         exit;
 169 } elsif ($action eq "commit") {
 170         git_commit();
 171         exit;
 172 } elsif ($action eq "log") {
 173         git_log();
 174         exit;
 175 } elsif ($action eq "blobdiff") {
 176         git_blobdiff();
 177         exit;
 178 } elsif ($action eq "blobdiff_plain") {
 179         git_blobdiff_plain();
 180         exit;
 181 } elsif ($action eq "commitdiff") {
 182         git_commitdiff();
 183         exit;
 184 } elsif ($action eq "commitdiff_plain") {
 185         git_commitdiff_plain();
 186         exit;
 187 } elsif ($action eq "history") {
 188         git_history();
 189         exit;
 190 } elsif ($action eq "search") {
 191         git_search();
 192         exit;
 193 } elsif ($action eq "shortlog") {
 194         git_shortlog();
 195         exit;
 196 } elsif ($action eq "tag") {
 197         git_tag();
 198         exit;
 199 } else {
 200         undef $action;
 201         die_error(undef, "Unknown action.");
 202         exit;
 203 }
 204
 205 sub git_header_html {
 206         my $status = shift || "200 OK";
 207
 208         my $title = "git";
 209         if (defined $project) {
 210                 $title .= " - $project";
 211                 if (defined $action) {
 212                         $title .= "/$action";
 213                 }
 214         }
 215         print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status);
 216         print <<EOF;
 217 <?xml version="1.0" encoding="utf-8"?>
 218 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 219 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 220 <!-- git web interface v$version, (C) 2005, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke <ch\@gierke.de> -->
 221 <head>
 222 <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
 223 <meta name="robots" content="index, nofollow"/>
 224 <title>$title</title>
 225 $rss_link
 226 <style type="text/css">
 227 body { font-family: sans-serif; font-size: 12px; margin:0px; border:solid #d9d8d1; border-width:1px; margin:10px; }
 228 a { color:#0000cc; }
 229 a:hover, a:visited, a:active { color:#880000; }
 230 div.page_header { height:25px; padding:8px; font-size:18px; font-weight:bold; background-color:#d9d8d1; }
 231 div.page_header a:visited { color:#0000cc; }
 232 div.page_header a:hover { color:#880000; }
 233 div.page_nav { padding:8px; }
 234 div.page_nav a:visited { color:#0000cc; }
 235 div.page_path { padding:8px; border:solid #d9d8d1; border-width:0px 0px 1px}
 236 div.page_footer { height:17px; padding:4px 8px; background-color: #d9d8d1; }
 237 div.page_footer_text { float:left; color:#555555; font-style:italic; }
 238 div.page_body { padding:8px; }
 239 div.title, a.title {
 240         display:block; padding:6px 8px;
 241         font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
 242 }
 243 a.title:hover { background-color: #d9d8d1; }
 244 div.title_text { padding:6px 0px; border: solid #d9d8d1; border-width:0px 0px 1px; }
 245 div.log_body { padding:8px 8px 8px 150px; }
 246 span.age { position:relative; float:left; width:142px; font-style:italic; }
 247 div.log_link {
 248         padding:0px 8px;
 249         font-size:10px; font-family:sans-serif; font-style:normal;
 250         position:relative; float:left; width:136px;
 251 }
 252 div.list_head { padding:6px 8px 4px; border:solid #d9d8d1; border-width:1px 0px 0px; font-style:italic; }
 253 a.list { text-decoration:none; color:#000000; }
 254 a.list:hover { text-decoration:underline; color:#880000; }
 255 a.text { text-decoration:none; color:#0000cc; }
 256 a.text:visited { text-decoration:none; color:#880000; }
 257 a.text:hover { text-decoration:underline; color:#880000; }
 258 table { padding:8px 4px; }
 259 th { padding:2px 5px; font-size:12px; text-align:left; }
 260 tr.light:hover { background-color:#edece6; }
 261 tr.dark { background-color:#f6f6f0; }
 262 tr.dark:hover { background-color:#edece6; }
 263 td { padding:2px 5px; font-size:12px; vertical-align:top; }
 264 td.link { padding:2px 5px; font-family:sans-serif; font-size:10px; }
 265 div.pre { font-family:monospace; font-size:12px; white-space:pre; }
 266 div.diff_info { font-family:monospace; color:#000099; background-color:#edece6; font-style:italic; }
 267 div.index_include { border:solid #d9d8d1; border-width:0px 0px 1px; padding:12px 8px; }
 268 div.search { margin:4px 8px; position:absolute; top:56px; right:12px }
 269 a.linenr { color:#999999; text-decoration:none }
 270 a.rss_logo {
 271         float:right; padding:3px 0px; width:35px; line-height:10px;
 272         border:1px solid; border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e;
 273         color:#ffffff; background-color:#ff6600;
 274         font-weight:bold; font-family:sans-serif; font-size:10px;
 275         text-align:center; text-decoration:none;
 276 }
 277 a.rss_logo:hover { background-color:#ee5500; }
 278 </style>
 279 </head>
 280 <body>
 281 EOF
 282         print "<div class=\"page_header\">\n" .
 283               "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 284               "<img src=\"$my_uri?a=git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 285               "</a>\n";
 286         print $cgi->a({-href => $home_link}, "projects") . " / ";
 287         if (defined $project) {
 288                 print $cgi->a({-href => "$my_uri?p=$project;a=summary"}, escapeHTML($project));
 289                 if (defined $action) {
 290                         print " / $action";
 291                 }
 292                 print "\n";
 293                 if (!defined $searchtext) {
 294                         $searchtext = "";
 295                 }
 296                 $cgi->param("a", "search");
 297                 print $cgi->startform(-method => "get", -action => "$my_uri") .
 298                       "<div class=\"search\">\n" .
 299                       $cgi->hidden(-name => "p") . "\n" .
 300                       $cgi->hidden(-name => "a") . "\n" .
 301                       $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 302                       "</div>" .
 303                       $cgi->end_form() . "\n";
 304         }
 305         print "</div>\n";
 306 }
 307
 308 sub git_footer_html {
 309         print "<div class=\"page_footer\">\n";
 310         if (defined $project) {
 311                 my $descr = git_read_description($project);
 312                 if (defined $descr) {
 313                         print "<div class=\"page_footer_text\">" . escapeHTML($descr) . "</div>\n";
 314                 }
 315                 print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "rss_logo"}, "RSS") . "\n";
 316         } else {
 317                 print $cgi->a({-href => "$my_uri?a=opml", -class => "rss_logo"}, "RSS") . "\n";
 318         }
 319         print "</div>\n" .
 320               "</body>\n" .
 321               "</html>";
 322 }
 323
 324 sub die_error {
 325         my $status = shift || "403 Forbidden";
 326         my $error = shift || "Malformed query, file missing or permission denied";
 327
 328         git_header_html($status);
 329         print "<div class=\"page_body\">\n" .
 330               "<br/><br/>\n" .
 331               "$status - $error\n" .
 332               "<br/>\n" .
 333               "</div>\n";
 334         git_footer_html();
 335         exit;
 336 }
 337
 338 sub git_get_type {
 339         my $hash = shift;
 340
 341         open my $fd, "-|", "$gitbin/git-cat-file -t $hash" or return;
 342         my $type = <$fd>;
 343         close $fd or return;
 344         chomp $type;
 345         return $type;
 346 }
 347
 348 sub git_read_hash {
 349         my $path = shift;
 350
 351         open my $fd, "$projectroot/$path" or return undef;
 352         my $head = <$fd>;
 353         close $fd;
 354         chomp $head;
 355         if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 356                 return $head;
 357         }
 358 }
 359
 360 sub git_read_description {
 361         my $path = shift;
 362
 363         open my $fd, "$projectroot/$path/description" or return undef;
 364         my $descr = <$fd>;
 365         close $fd;
 366         chomp $descr;
 367         return $descr;
 368 }
 369
 370 sub git_read_tag {
 371         my $tag_id = shift;
 372         my %tag;
 373         my @comment;
 374
 375         open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" or return;
 376         $tag{'id'} = $tag_id;
 377         while (my $line = <$fd>) {
 378                 chomp $line;
 379                 if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 380                         $tag{'object'} = $1;
 381                 } elsif ($line =~ m/^type (.+)$/) {
 382                         $tag{'type'} = $1;
 383                 } elsif ($line =~ m/^tag (.+)$/) {
 384                         $tag{'name'} = $1;
 385                 } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 386                         $tag{'author'} = $1;
 387                         $tag{'epoch'} = $2;
 388                         $tag{'tz'} = $3;
 389                 } elsif ($line =~ m/--BEGIN/) {
 390                         push @comment, $line;
 391                         last;
 392                 } elsif ($line eq "") {
 393                         last;
 394                 }
 395         }
 396         push @comment, <$fd>;
 397         $tag{'comment'} = \@comment;
 398         close $fd or return;
 399         if (!defined $tag{'name'}) {
 400                 return
 401         };
 402         return %tag
 403 }
 404
 405 sub age_string {
 406         my $age = shift;
 407         my $age_str;
 408
 409         if ($age > 60*60*24*365*2) {
 410                 $age_str = (int $age/60/60/24/365);
 411                 $age_str .= " years ago";
 412         } elsif ($age > 60*60*24*(365/12)*2) {
 413                 $age_str = int $age/60/60/24/(365/12);
 414                 $age_str .= " months ago";
 415         } elsif ($age > 60*60*24*7*2) {
 416                 $age_str = int $age/60/60/24/7;
 417                 $age_str .= " weeks ago";
 418         } elsif ($age > 60*60*24*2) {
 419                 $age_str = int $age/60/60/24;
 420                 $age_str .= " days ago";
 421         } elsif ($age > 60*60*2) {
 422                 $age_str = int $age/60/60;
 423                 $age_str .= " hours ago";
 424         } elsif ($age > 60*2) {
 425                 $age_str = int $age/60;
 426                 $age_str .= " min ago";
 427         } elsif ($age > 2) {
 428                 $age_str = int $age;
 429                 $age_str .= " sec ago";
 430         } else {
 431                 $age_str .= " right now";
 432         }
 433         return $age_str;
 434 }
 435
 436 sub git_read_commit {
 437         my $commit_id = shift;
 438         my $commit_text = shift;
 439
 440         my @commit_lines;
 441         my %co;
 442         my @parents;
 443
 444         if (defined $commit_text) {
 445                 @commit_lines = @$commit_text;
 446         } else {
 447                 open my $fd, "-|", "$gitbin/git-cat-file commit $commit_id" or return;
 448                 @commit_lines = map { chomp; $_ } <$fd>;
 449                 close $fd or return;
 450         }
 451         while (my $line = shift @commit_lines) {
 452                 last if $line eq "\n";
 453                 if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 454                         $co{'tree'} = $1;
 455                 } elsif ($line =~ m/^parent ([0-9a-fA-F]{40})$/) {
 456                         push @parents, $1;
 457                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 458                         $co{'author'} = $1;
 459                         $co{'author_epoch'} = $2;
 460                         $co{'author_tz'} = $3;
 461                         if ($co{'author'} =~ m/^([^<]+) </) {
 462                                 $co{'author_name'} = $1;
 463                         } else {
 464                                 $co{'author_name'} = $co{'author'};
 465                         }
 466                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 467                         $co{'committer'} = $1;
 468                         $co{'committer_epoch'} = $2;
 469                         $co{'committer_tz'} = $3;
 470                         $co{'committer_name'} = $co{'committer'};
 471                         $co{'committer_name'} =~ s/ <.*//;
 472                 }
 473         }
 474         if (!defined $co{'tree'}) {
 475                 return undef
 476         };
 477         $co{'id'} = $commit_id;
 478         $co{'parents'} = \@parents;
 479         $co{'parent'} = $parents[0];
 480         $co{'comment'} = \@commit_lines;
 481         foreach my $title (@commit_lines) {
 482                 if ($title ne "") {
 483                         $co{'title'} = chop_str($title, 80);
 484                         # remove leading stuff of merges to make the interesting part visible
 485                         if (length($title) > 50) {
 486                                 $title =~ s/^Automatic //;
 487                                 $title =~ s/^merge (of|with) /Merge ... /i;
 488                                 if (length($title) > 50) {
 489                                         $title =~ s/(http|rsync):\/\///;
 490                                 }
 491                                 if (length($title) > 50) {
 492                                         $title =~ s/(master|www|rsync)\.//;
 493                                 }
 494                                 if (length($title) > 50) {
 495                                         $title =~ s/kernel.org:?//;
 496                                 }
 497                                 if (length($title) > 50) {
 498                                         $title =~ s/\/pub\/scm//;
 499                                 }
 500                         }
 501                         $co{'title_short'} = chop_str($title, 50);
 502                         last;
 503                 }
 504         }
 505
 506         my $age = time - $co{'committer_epoch'};
 507         $co{'age'} = $age;
 508         $co{'age_string'} = age_string($age);
 509         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 510         if ($age > 60*60*24*7*2) {
 511                 $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 512                 $co{'age_string_age'} = $co{'age_string'};
 513         } else {
 514                 $co{'age_string_date'} = $co{'age_string'};
 515                 $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 516         }
 517         return %co;
 518 }
 519
 520 sub git_diff_print {
 521         my $from = shift;
 522         my $from_name = shift;
 523         my $to = shift;
 524         my $to_name = shift;
 525         my $format = shift || "html";
 526
 527         my $from_tmp = "/dev/null";
 528         my $to_tmp = "/dev/null";
 529         my $pid = $$;
 530
 531         # create tmp from-file
 532         if (defined $from) {
 533                 $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
 534                 open my $fd2, "> $from_tmp";
 535                 open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 536                 my @file = <$fd>;
 537                 print $fd2 @file;
 538                 close $fd2;
 539                 close $fd;
 540         }
 541
 542         # create tmp to-file
 543         if (defined $to) {
 544                 $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
 545                 open my $fd2, "> $to_tmp";
 546                 open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 547                 my @file = <$fd>;
 548                 print $fd2 @file;
 549                 close $fd2;
 550                 close $fd;
 551         }
 552
 553         open my $fd, "-|", "/usr/bin/diff -u -p -L $from_name -L $to_name $from_tmp $to_tmp";
 554         if ($format eq "plain") {
 555                 undef $/;
 556                 print <$fd>;
 557                 $/ = "\n";
 558         } else {
 559                 while (my $line = <$fd>) {
 560                         chomp($line);
 561                         my $char = substr($line, 0, 1);
 562                         my $color = "";
 563                         if ($char eq '+') {
 564                                 $color = " style=\"color:#008800;\"";
 565                         } elsif ($char eq "-") {
 566                                 $color = " style=\"color:#cc0000;\"";
 567                         } elsif ($char eq "@") {
 568                                 $color = " style=\"color:#990099;\"";
 569                         } elsif ($char eq "\\") {
 570                                 # skip errors
 571                                 next;
 572                         }
 573                         while ((my $pos = index($line, "\t")) != -1) {
 574                                 if (my $count = (8 - (($pos-1) % 8))) {
 575                                         my $spaces = ' ' x $count;
 576                                         $line =~ s/\t/$spaces/;
 577                                 }
 578                         }
 579                         print "<div class=\"pre\"$color>" . escapeHTML($line) . "</div>\n";
 580                 }
 581         }
 582         close $fd;
 583
 584         if (defined $from) {
 585                 unlink($from_tmp);
 586         }
 587         if (defined $to) {
 588                 unlink($to_tmp);
 589         }
 590 }
 591
 592 sub mode_str {
 593         my $mode = oct shift;
 594
 595         if (S_ISDIR($mode & S_IFMT)) {
 596                 return 'drwxr-xr-x';
 597         } elsif (S_ISLNK($mode)) {
 598                 return 'lrwxrwxrwx';
 599         } elsif (S_ISREG($mode)) {
 600                 # git cares only about the executable bit
 601                 if ($mode & S_IXUSR) {
 602                         return '-rwxr-xr-x';
 603                 } else {
 604                         return '-rw-r--r--';
 605                 };
 606         } else {
 607                 return '----------';
 608         }
 609 }
 610
 611 sub chop_str {
 612         my $str = shift;
 613         my $len = shift;
 614         my $add_len = shift || 10;
 615
 616         $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})/;
 617         my $chopped = $1;
 618         if ($chopped ne $str) {
 619                 $chopped .= " ...";
 620         }
 621         return $chopped;
 622 }
 623
 624 sub file_type {
 625         my $mode = oct shift;
 626
 627         if (S_ISDIR($mode & S_IFMT)) {
 628                 return "directory";
 629         } elsif (S_ISLNK($mode)) {
 630                 return "symlink";
 631         } elsif (S_ISREG($mode)) {
 632                 return "file";
 633         } else {
 634                 return "unknown";
 635         }
 636 }
 637
 638 sub format_log_line_html {
 639         my $line = shift;
 640
 641         $line = escapeHTML($line);
 642         $line =~ s/ /&nbsp;/g;
 643         if ($line =~ m/([0-9a-fA-F]{40})/) {
 644                 my $hash_text = $1;
 645                 if (git_get_type($hash_text) eq "commit") {
 646                         my $link = $cgi->a({-class => "text", -href => "$my_uri?p=$project;a=commit;h=$hash_text"}, $hash_text);
 647                         $line =~ s/$hash_text/$link/;
 648                 }
 649         }
 650         return $line;
 651 }
 652
 653 sub date_str {
 654         my $epoch = shift;
 655         my $tz = shift || "-0000";
 656
 657         my %date;
 658         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 659         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 660         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 661         $date{'hour'} = $hour;
 662         $date{'minute'} = $min;
 663         $date{'mday'} = $mday;
 664         $date{'day'} = $days[$wday];
 665         $date{'month'} = $months[$mon];
 666         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 667         $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 668
 669         $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 670         my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 671         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 672         $date{'hour_local'} = $hour;
 673         $date{'minute_local'} = $min;
 674         $date{'tz_local'} = $tz;
 675         return %date;
 676 }
 677
 678 # git-logo (cached in browser for one day)
 679 sub git_logo {
 680         print $cgi->header(-type => 'image/png', -expires => '+1d');
 681         # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 682         print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 683                 "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 684                 "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 685                 "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 686                 "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 687                 "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 688                 "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 689                 "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 690                 "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 691                 "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 692                 "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 693                 "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 694                 "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 695 }
 696
 697 sub get_file_owner {
 698         my $path = shift;
 699
 700         my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 701         my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 702         if (!defined $gcos) {
 703                 return undef;
 704         }
 705         my $owner = $gcos;
 706         $owner =~ s/[,;].*$//;
 707         return $owner;
 708 }
 709
 710 sub git_read_projects {
 711         my @list;
 712
 713         if (-d $projects_list) {
 714                 # search in directory
 715                 my $dir = $projects_list;
 716                 opendir my $dh, $dir or return undef;
 717                 while (my $dir = readdir($dh)) {
 718                         if (-e "$projectroot/$dir/HEAD") {
 719                                 my $pr = {
 720                                         path => $dir,
 721                                 };
 722                                 push @list, $pr
 723                         }
 724                 }
 725                 closedir($dh);
 726         } elsif (-f $projects_list) {
 727                 # read from file(url-encoded):
 728                 # 'git%2Fgit.git Linus+Torvalds'
 729                 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 730                 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 731                 open my $fd , $projects_list or return undef;
 732                 while (my $line = <$fd>) {
 733                         chomp $line;
 734                         my ($path, $owner) = split ' ', $line;
 735                         $path = unescape($path);
 736                         $owner = unescape($owner);
 737                         if (!defined $path) {
 738                                 next;
 739                         }
 740                         if (-e "$projectroot/$path/HEAD") {
 741                                 my $pr = {
 742                                         path => $path,
 743                                         owner => $owner,
 744                                 };
 745                                 push @list, $pr
 746                         }
 747                 }
 748                 close $fd;
 749         }
 750         @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 751         return @list;
 752 }
 753
 754 sub git_project_list {
 755         my @list = git_read_projects();
 756         if (!@list) {
 757                 die_error(undef, "No project found.");
 758         }
 759         git_header_html();
 760         if (-f $home_text) {
 761                 print "<div class=\"index_include\">\n";
 762                 open (my $fd, $home_text);
 763                 print <$fd>;
 764                 close $fd;
 765                 print "</div>\n";
 766         }
 767         print "<table cellspacing=\"0\">\n" .
 768               "<tr>\n" .
 769               "<th>Project</th>\n" .
 770               "<th>Description</th>\n" .
 771               "<th>Owner</th>\n" .
 772               "<th>last change</th>\n" .
 773               "<th></th>\n" .
 774               "</tr>\n";
 775         my $alternate = 0;
 776         foreach my $pr (@list) {
 777                 my %proj = %$pr;
 778                 my $head = git_read_hash("$proj{'path'}/HEAD");
 779                 if (!defined $head) {
 780                         next;
 781                 }
 782                 $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
 783                 my %co = git_read_commit($head);
 784                 if (!%co) {
 785                         next;
 786                 }
 787                 my $descr = git_read_description($proj{'path'}) || "";
 788                 $descr = chop_str($descr, 25, 5);
 789                 # get directory owner if not already specified
 790                 if (!defined $proj{'owner'}) {
 791                         $proj{'owner'} = get_file_owner("$projectroot/$proj{'path'}") || "";
 792                 }
 793                 if ($alternate) {
 794                         print "<tr class=\"dark\">\n";
 795                 } else {
 796                         print "<tr class=\"light\">\n";
 797                 }
 798                 $alternate ^= 1;
 799                 print "<td>" . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=summary", -class => "list"}, escapeHTML($proj{'path'})) . "</td>\n" .
 800                       "<td>$descr</td>\n" .
 801                       "<td><i>" . chop_str($proj{'owner'}, 15) . "</i></td>\n";
 802                 my $colored_age;
 803                 if ($co{'age'} < 60*60*2) {
 804                         $colored_age = "<span style =\"color: #009900;\"><b><i>$co{'age_string'}</i></b></span>";
 805                 } elsif ($co{'age'} < 60*60*24*2) {
 806                         $colored_age = "<span style =\"color: #009900;\"><i>$co{'age_string'}</i></span>";
 807                 } else {
 808                         $colored_age = "<i>$co{'age_string'}</i>";
 809                 }
 810                 print "<td>$colored_age</td>\n" .
 811                       "<td class=\"link\">" .
 812                       $cgi->a({-href => "$my_uri?p=$proj{'path'};a=summary"}, "summary") .
 813                       " | " . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=shortlog"}, "shortlog") .
 814                       " | " . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=log"}, "log") .
 815                       "</td>\n" .
 816                       "</tr>\n";
 817         }
 818         print "</table>\n";
 819         git_footer_html();
 820 }
 821
 822 sub git_read_refs {
 823         my $ref_dir = shift;
 824         my @reflist;
 825
 826         my @refs;
 827         opendir my $dh, "$projectroot/$project/$ref_dir";
 828         while (my $dir = readdir($dh)) {
 829                 if ($dir =~ m/^\./) {
 830                         next;
 831                 }
 832                 if (-d "$projectroot/$project/$ref_dir/$dir") {
 833                         opendir my $dh2, "$projectroot/$project/$ref_dir/$dir";
 834                         my @subdirs = grep !m/^\./, readdir $dh2;
 835                         closedir($dh2);
 836                         foreach my $subdir (@subdirs) {
 837                                 push @refs, "$dir/$subdir"
 838                         }
 839                         next;
 840                 }
 841                 push @refs, $dir;
 842         }
 843         closedir($dh);
 844         foreach my $ref_file (@refs) {
 845                 my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 846                 my $type = git_get_type($ref_id) || next;
 847                 my %ref_item;
 848                 my %co;
 849                 $ref_item{'type'} = $type;
 850                 $ref_item{'id'} = $ref_id;
 851                 $ref_item{'epoch'} = 0;
 852                 $ref_item{'age'} = "unknown";
 853                 if ($type eq "tag") {
 854                         my %tag = git_read_tag($ref_id);
 855                         $ref_item{'comment'} = $tag{'comment'};
 856                         if ($tag{'type'} eq "commit") {
 857                                 %co = git_read_commit($tag{'object'});
 858                                 $ref_item{'epoch'} = $co{'committer_epoch'};
 859                                 $ref_item{'age'} = $co{'age_string'};
 860                         } elsif (defined($tag{'epoch'})) {
 861                                 my $age = time - $tag{'epoch'};
 862                                 $ref_item{'epoch'} = $tag{'epoch'};
 863                                 $ref_item{'age'} = age_string($age);
 864                         }
 865                         $ref_item{'reftype'} = $tag{'type'};
 866                         $ref_item{'name'} = $tag{'name'};
 867                         $ref_item{'refid'} = $tag{'object'};
 868                 } elsif ($type eq "commit"){
 869                         %co = git_read_commit($ref_id);
 870                         $ref_item{'reftype'} = "commit";
 871                         $ref_item{'name'} = $ref_file;
 872                         $ref_item{'title'} = $co{'title'};
 873                         $ref_item{'refid'} = $ref_id;
 874                         $ref_item{'epoch'} = $co{'committer_epoch'};
 875                         $ref_item{'age'} = $co{'age_string'};
 876                 }
 877
 878                 push @reflist, \%ref_item;
 879         }
 880         # sort tags by age
 881         @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
 882         return \@reflist;
 883 }
 884
 885 sub git_summary {
 886         my $descr = git_read_description($project) || "none";
 887         my $head = git_read_hash("$project/HEAD");
 888         my %co = git_read_commit($head);
 889         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 890
 891         my $owner;
 892         if (-f $projects_list) {
 893                 open (my $fd , $projects_list);
 894                 while (my $line = <$fd>) {
 895                         chomp $line;
 896                         my ($pr, $ow) = split ' ', $line;
 897                         $pr = unescape($pr);
 898                         $ow = unescape($ow);
 899                         if ($pr eq $project) {
 900                                 $owner = $ow;
 901                                 last;
 902                         }
 903                 }
 904                 close $fd;
 905         }
 906         if (!defined $owner) {
 907                 $owner = get_file_owner("$projectroot/$project");
 908         }
 909
 910         git_header_html();
 911         print "<div class=\"page_nav\">\n" .
 912               "summary".
 913               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
 914               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 915               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
 916               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
 917               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
 918               "<br/><br/>\n" .
 919               "</div>\n";
 920         print "<div class=\"title\">&nbsp;</div>\n";
 921         print "<table cellspacing=\"0\">\n" .
 922               "<tr><td>description</td><td>" . escapeHTML($descr) . "</td></tr>\n" .
 923               "<tr><td>owner</td><td>$owner</td></tr>\n" .
 924               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
 925               "</table>\n";
 926         open my $fd, "-|", "$gitbin/git-rev-list --max-count=17 " . git_read_hash("$project/HEAD") or die_error(undef, "Open failed.");
 927         my (@revlist) = map { chomp; $_ } <$fd>;
 928         close $fd;
 929         print "<div>\n" .
 930               $cgi->a({-href => "$my_uri?p=$project;a=shortlog", -class => "title"}, "shortlog") .
 931               "</div>\n";
 932         my $i = 16;
 933         print "<table cellspacing=\"0\">\n";
 934         my $alternate = 0;
 935         foreach my $commit (@revlist) {
 936                 my %co = git_read_commit($commit);
 937                 my %ad = date_str($co{'author_epoch'});
 938                 if ($alternate) {
 939                         print "<tr class=\"dark\">\n";
 940                 } else {
 941                         print "<tr class=\"light\">\n";
 942                 }
 943                 $alternate ^= 1;
 944                 if ($i-- > 0) {
 945                         print "<td><i>$co{'age_string'}</i></td>\n" .
 946                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
 947                               "<td>" .
 948                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"},
 949                               "<b>" . escapeHTML($co{'title_short'}) . "</b>") .
 950                               "</td>\n" .
 951                               "<td class=\"link\">" .
 952                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
 953                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
 954                               "</td>\n" .
 955                               "</tr>";
 956                 } else {
 957                         print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "...") . "</td>\n" .
 958                         "</tr>";
 959                         last;
 960                 }
 961         }
 962         print "</table\n>";
 963
 964         my $taglist = git_read_refs("refs/tags");
 965         if (defined @$taglist) {
 966                 print "<div>\n" .
 967                       $cgi->a({-href => "$my_uri?p=$project;a=tags", -class => "title"}, "tags") .
 968                       "</div>\n";
 969                 my $i = 16;
 970                 print "<table cellspacing=\"0\">\n";
 971                 my $alternate = 0;
 972                 foreach my $entry (@$taglist) {
 973                         my %tag = %$entry;
 974                         my $comment_lines = $tag{'comment'};
 975                         my $comment = shift @$comment_lines;
 976                         if (defined($comment)) {
 977                                 $comment = chop_str($comment, 30, 5);
 978                         }
 979                         if ($alternate) {
 980                                 print "<tr class=\"dark\">\n";
 981                         } else {
 982                                 print "<tr class=\"light\">\n";
 983                         }
 984                         $alternate ^= 1;
 985                         if ($i-- > 0) {
 986                                 print "<td><i>$tag{'age'}</i></td>\n" .
 987                                       "<td>" .
 988                                       $cgi->a({-href => "$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}", -class => "list"},
 989                                       "<b>" . escapeHTML($tag{'name'}) . "</b>") .
 990                                       "</td>\n" .
 991                                       "<td>";
 992                                 if (defined($comment)) {
 993                                       print $cgi->a({-class => "list", -href => "$my_uri?p=$project;a=tag;h=$tag{'id'}"}, $comment);
 994                                 }
 995                                 print "</td>\n" .
 996                                       "<td class=\"link\">";
 997                                 if ($tag{'type'} eq "tag") {
 998                                       print $cgi->a({-href => "$my_uri?p=$project;a=tag;h=$tag{'id'}"}, "tag") . " | ";
 999                                 }
1000                                 print $cgi->a({-href => "$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}"}, $tag{'reftype'});
1001                                 if ($tag{'reftype'} eq "commit") {
1002                                       print " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}"}, "shortlog") .
1003                                             " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'refid'}"}, "log");
1004                                 }
1005                                 print "</td>\n" .
1006                                       "</tr>";
1007                         } else {
1008                                 print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=tags"}, "...") . "</td>\n" .
1009                                 "</tr>";
1010                                 last;
1011                         }
1012                 }
1013                 print "</table\n>";
1014         }
1015
1016         my $branchlist = git_read_refs("refs/heads");
1017         if (defined @$branchlist) {
1018                 print "<div>\n" .
1019                       $cgi->a({-href => "$my_uri?p=$project;a=branches", -class => "title"}, "branches") .
1020                       "</div>\n";
1021                 my $i = 16;
1022                 print "<table cellspacing=\"0\">\n";
1023                 my $alternate = 0;
1024                 foreach my $entry (@$branchlist) {
1025                         my %tag = %$entry;
1026                         if ($alternate) {
1027                                 print "<tr class=\"dark\">\n";
1028                         } else {
1029                                 print "<tr class=\"light\">\n";
1030                         }
1031                         $alternate ^= 1;
1032                         if ($i-- > 0) {
1033                                 print "<td><i>$tag{'age'}</i></td>\n" .
1034                                       "<td>" .
1035                                       $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}", -class => "list"},
1036                                       "<b>" . escapeHTML($tag{'name'}) . "</b>") .
1037                                       "</td>\n" .
1038                                       "<td class=\"link\">" .
1039                                       $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}"}, "shortlog") .
1040                                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'name'}"}, "log") .
1041                                       "</td>\n" .
1042                                       "</tr>";
1043                         } else {
1044                                 print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=branches"}, "...") . "</td>\n" .
1045                                 "</tr>";
1046                                 last;
1047                         }
1048                 }
1049                 print "</table\n>";
1050         }
1051         git_footer_html();
1052 }
1053
1054 sub git_tag {
1055         my $head = git_read_hash("$project/HEAD");
1056         git_header_html();
1057         print "<div class=\"page_nav\">\n" .
1058               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1059               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1060               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1061               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
1062               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
1063               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;hb=$head"}, "tree") . "<br/>\n" .
1064               "<br/>\n" .
1065               "</div>\n";
1066         my %tag = git_read_tag($hash);
1067         print "<div>\n" .
1068               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($tag{'name'})) . "\n" .
1069               "</div>\n";
1070         print "<div class=\"title_text\">\n" .
1071               "<table cellspacing=\"0\">\n" .
1072               "<tr><td>$tag{'type'}</td><td>" . $cgi->a({-class => "text", -href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'object'}"}, $tag{'object'}) . "</td></tr>\n";
1073         if (defined($tag{'author'})) {
1074                 my %ad = date_str($tag{'epoch'}, $tag{'tz'});
1075                 print "<tr><td>author</td><td>" . escapeHTML($tag{'author'}) . "</td></tr>\n";
1076                 print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1077         }
1078         print "</table>\n\n" .
1079               "</div>\n";
1080         print "<div class=\"page_body\">";
1081         my $comment = $tag{'comment'};
1082         foreach my $line (@$comment) {
1083                 print escapeHTML($line) . "<br/>\n";
1084         }
1085         print "</div>\n";
1086         git_footer_html();
1087 }
1088
1089 sub git_tags {
1090         my $head = git_read_hash("$project/HEAD");
1091         git_header_html();
1092         print "<div class=\"page_nav\">\n" .
1093               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1094               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1095               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1096               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
1097               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
1098               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;hb=$head"}, "tree") . "<br/>\n" .
1099               "<br/>\n" .
1100               "</div>\n";
1101         my $taglist = git_read_refs("refs/tags");
1102         print "<div>\n" .
1103               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
1104               "</div>\n";
1105         print "<table cellspacing=\"0\">\n";
1106         my $alternate = 0;
1107         if (defined @$taglist) {
1108                 foreach my $entry (@$taglist) {
1109                         my %tag = %$entry;
1110                         my $comment_lines = $tag{'comment'};
1111                         my $comment = shift @$comment_lines;
1112                         if (defined($comment)) {
1113                                 $comment = chop_str($comment, 30, 5);
1114                         }
1115                         if ($alternate) {
1116                                 print "<tr class=\"dark\">\n";
1117                         } else {
1118                                 print "<tr class=\"light\">\n";
1119                         }
1120                         $alternate ^= 1;
1121                         print "<td><i>$tag{'age'}</i></td>\n" .
1122                               "<td>" .
1123                               $cgi->a({-href => "$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}", -class => "list"},
1124                               "<b>" . escapeHTML($tag{'name'}) . "</b>") .
1125                               "</td>\n" .
1126                               "<td>";
1127                         if (defined($comment)) {
1128                               print $cgi->a({-class => "list", -href => "$my_uri?p=$project;a=tag;h=$tag{'id'}"}, $comment);
1129                         }
1130                         print "</td>\n" .
1131                               "<td class=\"link\">";
1132                         if ($tag{'type'} eq "tag") {
1133                               print $cgi->a({-href => "$my_uri?p=$project;a=tag;h=$tag{'id'}"}, "tag") . " | ";
1134                         }
1135                         print $cgi->a({-href => "$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}"}, $tag{'reftype'});
1136                         if ($tag{'reftype'} eq "commit") {
1137                               print " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}"}, "shortlog") .
1138                                     " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'refid'}"}, "log");
1139                         }
1140                         print "</td>\n" .
1141                               "</tr>";
1142                 }
1143         }
1144         print "</table\n>";
1145         git_footer_html();
1146 }
1147
1148 sub git_branches {
1149         my $head = git_read_hash("$project/HEAD");
1150         git_header_html();
1151         print "<div class=\"page_nav\">\n" .
1152               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1153               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1154               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1155               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
1156               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
1157               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;hb=$head"}, "tree") . "<br/>\n" .
1158               "<br/>\n" .
1159               "</div>\n";
1160         my $taglist = git_read_refs("refs/heads");
1161         print "<div>\n" .
1162               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
1163               "</div>\n";
1164         print "<table cellspacing=\"0\">\n";
1165         my $alternate = 0;
1166         if (defined @$taglist) {
1167                 foreach my $entry (@$taglist) {
1168                         my %tag = %$entry;
1169                         if ($alternate) {
1170                                 print "<tr class=\"dark\">\n";
1171                         } else {
1172                                 print "<tr class=\"light\">\n";
1173                         }
1174                         $alternate ^= 1;
1175                         print "<td><i>$tag{'age'}</i></td>\n" .
1176                               "<td>" .
1177                               $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}", -class => "list"}, "<b>" . escapeHTML($tag{'name'}) . "</b>") .
1178                               "</td>\n" .
1179                               "<td class=\"link\">" .
1180                               $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}"}, "shortlog") .
1181                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'name'}"}, "log") .
1182                               "</td>\n" .
1183                               "</tr>";
1184                 }
1185         }
1186         print "</table\n>";
1187         git_footer_html();
1188 }
1189
1190 sub git_get_hash_by_path {
1191         my $base = shift;
1192         my $path = shift || return undef;
1193
1194         my $tree = $base;
1195         my @parts = split '/', $path;
1196         while (my $part = shift @parts) {
1197                 open my $fd, "-|", "$gitbin/git-ls-tree $tree" or die_error(undef, "Open git-ls-tree failed.");
1198                 my (@entries) = map { chomp; $_ } <$fd>;
1199                 close $fd or return undef;
1200                 foreach my $line (@entries) {
1201                         #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1202                         $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1203                         my $t_mode = $1;
1204                         my $t_type = $2;
1205                         my $t_hash = $3;
1206                         my $t_name = $4;
1207                         if ($t_name eq $part) {
1208                                 if (!(@parts)) {
1209                                         return $t_hash;
1210                                 }
1211                                 if ($t_type eq "tree") {
1212                                         $tree = $t_hash;
1213                                 }
1214                                 last;
1215                         }
1216                 }
1217         }
1218 }
1219
1220 sub git_blob {
1221         if (!defined $hash && defined $file_name) {
1222                 my $base = $hash_base || git_read_hash("$project/HEAD");
1223                 $hash = git_get_hash_by_path($base, $file_name, "blob");
1224         }
1225         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or die_error(undef, "Open failed.");
1226         my $base = $file_name || "";
1227         git_header_html();
1228         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1229                 print "<div class=\"page_nav\">\n" .
1230                       $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1231                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1232                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1233                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1234                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1235                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree") . "<br/>\n";
1236                 print $cgi->a({-href => "$my_uri?p=$project;a=blob_plain;h=$hash"}, "plain") . "<br/>\n" .
1237                       "</div>\n";
1238                 print "<div>" .
1239                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) .
1240                       "</div>\n";
1241         } else {
1242                 print "<div class=\"page_nav\">\n" .
1243                       "<br/><br/></div>\n" .
1244                       "<div class=\"title\">$hash</div>\n";
1245         }
1246         if (defined $file_name) {
1247                 print "<div class=\"page_path\"><b>$file_name</b></div>\n";
1248         }
1249         print "<div class=\"page_body\">\n";
1250         my $nr;
1251         while (my $line = <$fd>) {
1252                 chomp $line;
1253                 $nr++;
1254                 while ((my $pos = index($line, "\t")) != -1) {
1255                         if (my $count = (8 - ($pos % 8))) {
1256                                 my $spaces = ' ' x $count;
1257                                 $line =~ s/\t/$spaces/;
1258                         }
1259                 }
1260                 printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, escapeHTML($line);
1261         }
1262         close $fd or print "Reading blob failed.\n";
1263         print "</div>";
1264         git_footer_html();
1265 }
1266
1267 sub git_blob_plain {
1268         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
1269         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or return;
1270         undef $/;
1271         print <$fd>;
1272         $/ = "\n";
1273         close $fd;
1274 }
1275
1276 sub git_tree {
1277         if (!defined $hash) {
1278                 $hash = git_read_hash("$project/HEAD");
1279                 if (defined $file_name) {
1280                         my $base = $hash_base || git_read_hash("$project/HEAD");
1281                         $hash = git_get_hash_by_path($base, $file_name, "tree");
1282                 }
1283                 if (!defined $hash_base) {
1284                         $hash_base = git_read_hash("$project/HEAD");
1285                 }
1286         }
1287         open my $fd, "-|", "$gitbin/git-ls-tree $hash" or die_error(undef, "Open git-ls-tree failed.");
1288         my (@entries) = map { chomp; $_ } <$fd>;
1289         close $fd or die_error(undef, "Reading tree failed.");
1290
1291         git_header_html();
1292         my $base_key = "";
1293         my $file_key = "";
1294         my $base = "";
1295         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1296                 $base_key = ";hb=$hash_base";
1297                 print "<div class=\"page_nav\">\n" .
1298                       $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1299                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash_base"}, "shortlog") .
1300                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash_base"}, "log") .
1301                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1302                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1303                       " | tree" .
1304                       "<br/><br/>\n" .
1305                       "</div>\n";
1306                 print "<div>\n" .
1307                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1308                       "</div>\n";
1309         } else {
1310                 print "<div class=\"page_nav\">\n";
1311                 print "<br/><br/></div>\n";
1312                 print "<div class=\"title\">$hash</div>\n";
1313         }
1314         if (defined $file_name) {
1315                 $base = "$file_name/";
1316                 print "<div class=\"page_path\"><b>/$file_name</b></div>\n";
1317         } else {
1318                 print "<div class=\"page_path\"><b>/</b></div>\n";
1319         }
1320         print "<div class=\"page_body\">\n";
1321         print "<table cellspacing=\"0\">\n";
1322         my $alternate = 0;
1323         foreach my $line (@entries) {
1324                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1325                 $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1326                 my $t_mode = $1;
1327                 my $t_type = $2;
1328                 my $t_hash = $3;
1329                 my $t_name = $4;
1330                 $file_key = ";f=$base$t_name";
1331                 if ($alternate) {
1332                         print "<tr class=\"dark\">\n";
1333                 } else {
1334                         print "<tr class=\"light\">\n";
1335                 }
1336                 $alternate ^= 1;
1337                 print "<td style=\"font-family:monospace\">" . mode_str($t_mode) . "</td>\n";
1338                 if ($t_type eq "blob") {
1339                         print "<td class=\"list\">" .
1340                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key, -class => "list"}, $t_name) .
1341                               "</td>\n" .
1342                               "<td class=\"link\">" .
1343                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key}, "blob") .
1344                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base" . $file_key}, "history") .
1345                               "</td>\n";
1346                 } elsif ($t_type eq "tree") {
1347                         print "<td class=\"list\">" .
1348                               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key}, $t_name) .
1349                               "</td>\n" .
1350                               "<td class=\"link\">" .
1351                               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key}, "tree") .
1352                               "</td>\n";
1353                 }
1354                 print "</tr>\n";
1355         }
1356         print "</table>\n" .
1357               "</div>";
1358         git_footer_html();
1359 }
1360
1361 sub git_rss {
1362         # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
1363         open my $fd, "-|", "$gitbin/git-rev-list --max-count=20 " . git_read_hash("$project/HEAD") or die_error(undef, "Open failed.");
1364         my (@revlist) = map { chomp; $_ } <$fd>;
1365         close $fd or die_error(undef, "Reading rev-list failed.");
1366
1367         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1368         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1369               "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
1370         print "<channel>\n";
1371         print "<title>$project</title>\n".
1372               "<link>" . escapeHTML("$my_url?p=$project;a=summary") . "</link>\n".
1373               "<description>$project log</description>\n".
1374               "<language>en</language>\n";
1375
1376         foreach my $commit (@revlist) {
1377                 my %co = git_read_commit($commit);
1378                 my %cd = date_str($co{'committer_epoch'});
1379                 print "<item>\n" .
1380                       "<title>" .
1381                       sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . escapeHTML($co{'title'}) .
1382                       "</title>\n" .
1383                       "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
1384                       "<link>" . escapeHTML("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
1385                       "<description>" . escapeHTML($co{'title'}) . "</description>\n" .
1386                       "<content:encoded>" .
1387                       "<![CDATA[\n";
1388                 my $comment = $co{'comment'};
1389                 foreach my $line (@$comment) {
1390                         print "$line<br/>\n";
1391                 }
1392                 print "]]>\n" .
1393                       "</content:encoded>\n" .
1394                       "</item>\n";
1395         }
1396         print "</channel></rss>";
1397 }
1398
1399 sub git_opml {
1400         my @list = git_read_projects();
1401
1402         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1403         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1404               "<opml version=\"1.0\">\n".
1405               "<head>".
1406               "  <title>Git OPML Export</title>\n".
1407               "</head>\n".
1408               "<body>\n".
1409               "<outline text=\"git RSS feeds\">\n";
1410
1411         foreach my $pr (@list) {
1412                 my %proj = %$pr;
1413                 my $head = git_read_hash("$proj{'path'}/HEAD");
1414                 if (!defined $head) {
1415                         next;
1416                 }
1417                 $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
1418                 my %co = git_read_commit($head);
1419                 if (!%co) {
1420                         next;
1421                 }
1422
1423                 my $path = escapeHTML(chop_str($proj{'path'}, 25, 5));
1424                 my $rss =  "$my_url?p=$proj{'path'};a=rss";
1425                 my $html =  "$my_url?p=$proj{'path'};a=summary";
1426                 print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
1427         }
1428         print "</outline>\n".
1429               "</body>\n".
1430               "</opml>\n";
1431 }
1432
1433 sub git_log {
1434         my $head = git_read_hash("$project/HEAD");
1435         if (!defined $hash) {
1436                 $hash = $head;
1437         }
1438         if (!defined $page) {
1439                 $page = 0;
1440         }
1441         git_header_html();
1442         print "<div class=\"page_nav\">\n";
1443         print $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1444               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash"}, "shortlog") .
1445               " | log" .
1446               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1447               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
1448               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash;hb=$hash"}, "tree") . "<br/>\n";
1449
1450         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1451         open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
1452         my (@revlist) = map { chomp; $_ } <$fd>;
1453         close $fd;
1454
1455         if ($hash ne $head || $page) {
1456                 print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "HEAD");
1457         } else {
1458                 print "HEAD";
1459         }
1460         if ($page > 0) {
1461                 print " &sdot; " .
1462                 $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash;pg=" . ($page-1), -accesskey => "p", -title => "Alt-p"}, "prev");
1463         } else {
1464                 print " &sdot; prev";
1465         }
1466         if ($#revlist >= (100 * ($page+1)-1)) {
1467                 print " &sdot; " .
1468                 $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash;pg=" . ($page+1), -accesskey => "n", -title => "Alt-n"}, "next");
1469         } else {
1470                 print " &sdot; next";
1471         }
1472         print "<br/>\n" .
1473               "</div>\n";
1474         if (!@revlist) {
1475                 print "<div>\n" .
1476                       $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
1477                       "</div>\n";
1478                 my %co = git_read_commit($hash);
1479                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1480         }
1481         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1482                 my $commit = $revlist[$i];
1483                 my %co = git_read_commit($commit);
1484                 next if !%co;
1485                 my %ad = date_str($co{'author_epoch'});
1486                 print "<div>\n" .
1487                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "title"},
1488                       "<span class=\"age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
1489                       "</div>\n";
1490                 print "<div class=\"title_text\">\n" .
1491                       "<div class=\"log_link\">\n" .
1492                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1493                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
1494                       "<br/>\n" .
1495                       "</div>\n" .
1496                       "<i>" . escapeHTML($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1497                       "</div>\n" .
1498                       "<div class=\"log_body\">\n";
1499                 my $comment = $co{'comment'};
1500                 my $empty = 0;
1501                 foreach my $line (@$comment) {
1502                         if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1503                                 next;
1504                         }
1505                         if ($line eq "") {
1506                                 if ($empty) {
1507                                         next;
1508                                 }
1509                                 $empty = 1;
1510                         } else {
1511                                 $empty = 0;
1512                         }
1513                         print format_log_line_html($line) . "<br/>\n";
1514                 }
1515                 if (!$empty) {
1516                         print "<br/>\n";
1517                 }
1518                 print "</div>\n";
1519         }
1520         git_footer_html();
1521 }
1522
1523 sub git_commit {
1524         my %co = git_read_commit($hash);
1525         if (!%co) {
1526                 die_error(undef, "Unknown commit object.");
1527         }
1528         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1529         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1530
1531         my @difftree;
1532         my $root = "";
1533         my $parent = $co{'parent'};
1534         if (!defined $parent) {
1535                 $root = " --root";
1536                 $parent = "";
1537         }
1538         open my $fd, "-|", "$gitbin/git-diff-tree -r -M $root $parent $hash" or die_error(undef, "Open failed.");
1539         @difftree = map { chomp; $_ } <$fd>;
1540         close $fd or die_error(undef, "Reading diff-tree failed.");
1541         git_header_html();
1542         print "<div class=\"page_nav\">\n" .
1543               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1544               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash"}, "shortlog") .
1545               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
1546               " | commit";
1547         if (defined $co{'parent'}) {
1548                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff");
1549         }
1550         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") . "\n" .
1551               "<br/><br/></div>\n";
1552         if (defined $co{'parent'}) {
1553                 print "<div>\n" .
1554                       $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1555                       "</div>\n";
1556         } else {
1557                 print "<div>\n" .
1558                       $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1559                       "</div>\n";
1560         }
1561         print "<div class=\"title_text\">\n" .
1562               "<table cellspacing=\"0\">\n";
1563         print "<tr><td>author</td><td>" . escapeHTML($co{'author'}) . "</td></tr>\n".
1564               "<tr>" .
1565               "<td></td><td> $ad{'rfc2822'}";
1566         if ($ad{'hour_local'} < 6) {
1567                 printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1568         } else {
1569                 printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1570         }
1571         print "</td>" .
1572               "</tr>\n";
1573         print "<tr><td>committer</td><td>" . escapeHTML($co{'committer'}) . "</td></tr>\n";
1574         print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1575         print "<tr><td>commit</td><td style=\"font-family:monospace\">$hash</td></tr>\n";
1576         print "<tr>" .
1577               "<td>tree</td>" .
1578               "<td style=\"font-family:monospace\">" .
1579               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash", class => "list"}, $co{'tree'}) .
1580               "</td>" .
1581               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
1582               "</td>" .
1583               "</tr>\n";
1584         my $parents  = $co{'parents'};
1585         foreach my $par (@$parents) {
1586                 print "<tr>" .
1587                       "<td>parent</td>" .
1588                       "<td style=\"font-family:monospace\">" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par", class => "list"}, $par) . "</td>" .
1589                       "<td class=\"link\">" .
1590                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, "commit") .
1591                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash;hp=$par"}, "commitdiff") .
1592                       "</td>" .
1593                       "</tr>\n";
1594         }
1595         print "</table>".
1596               "</div>\n";
1597         print "<div class=\"page_body\">\n";
1598         my $comment = $co{'comment'};
1599         my $empty = 0;
1600         my $signed = 0;
1601         foreach my $line (@$comment) {
1602                 # print only one empty line
1603                 if ($line eq "") {
1604                         if ($empty || $signed) {
1605                                 next;
1606                         }
1607                         $empty = 1;
1608                 } else {
1609                         $empty = 0;
1610                 }
1611                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1612                         $signed = 1;
1613                         print "<span style=\"color: #888888\">" . escapeHTML($line) . "</span><br/>\n";
1614                 } else {
1615                         $signed = 0;
1616                         print format_log_line_html($line) . "<br/>\n";
1617                 }
1618         }
1619         print "</div>\n";
1620         print "<div class=\"list_head\">\n";
1621         if ($#difftree > 10) {
1622                 print(($#difftree + 1) . " files changed:\n");
1623         }
1624         print "</div>\n";
1625         print "<table cellspacing=\"0\">\n";
1626         my $alternate = 0;
1627         foreach my $line (@difftree) {
1628                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1629                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1630                 if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1631                         next;
1632                 }
1633                 my $from_mode = $1;
1634                 my $to_mode = $2;
1635                 my $from_id = $3;
1636                 my $to_id = $4;
1637                 my $status = $5;
1638                 my $similarity = $6;
1639                 my $file = $7;
1640                 if ($alternate) {
1641                         print "<tr class=\"dark\">\n";
1642                 } else {
1643                         print "<tr class=\"light\">\n";
1644                 }
1645                 $alternate ^= 1;
1646                 if ($status eq "A") {
1647                         my $mode_chng = "";
1648                         if (S_ISREG(oct $to_mode)) {
1649                                 $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
1650                         }
1651                         print "<td>" .
1652                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hp=$hash;f=$file", -class => "list"}, escapeHTML($file)) . "</td>\n" .
1653                               "<td><span style=\"color: #008000;\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
1654                               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "blob") . "</td>\n";
1655                 } elsif ($status eq "D") {
1656                         print "<td>" .
1657                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file)) . "</td>\n" .
1658                               "<td><span style=\"color: #c00000;\">[deleted " . file_type($from_mode). "]</span></td>\n" .
1659                               "<td class=\"link\">" .
1660                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, "blob") .
1661                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") .
1662                               "</td>\n"
1663                 } elsif ($status eq "M" || $status eq "T") {
1664                         my $mode_chnge = "";
1665                         if ($from_mode != $to_mode) {
1666                                 $mode_chnge = " <span style=\"color: #777777;\">[changed";
1667                                 if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
1668                                         $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
1669                                 }
1670                                 if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
1671                                         if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
1672                                                 $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
1673                                         } elsif (S_ISREG($to_mode)) {
1674                                                 $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
1675                                         }
1676                                 }
1677                                 $mode_chnge .= "]</span>\n";
1678                         }
1679                         print "<td>";
1680                         if ($to_id ne $from_id) {
1681                                 print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file));
1682                         } else {
1683                                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file));
1684                         }
1685                         print "</td>\n" .
1686                               "<td>$mode_chnge</td>\n" .
1687                               "<td class=\"link\">";
1688                         print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "blob");
1689                         if ($to_id ne $from_id) {
1690                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"}, "diff");
1691                         }
1692                         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n";
1693                         print "</td>\n";
1694                 } elsif ($status eq "R") {
1695                         my ($from_file, $to_file) = split "\t", $file;
1696                         my $mode_chng = "";
1697                         if ($from_mode != $to_mode) {
1698                                 $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
1699                         }
1700                         print "<td>" .
1701                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file", -class => "list"}, escapeHTML($to_file)) . "</td>\n" .
1702                               "<td><span style=\"color: #777777;\">[moved from " .
1703                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$from_file", -class => "list"}, escapeHTML($from_file)) .
1704                               " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
1705                               "<td class=\"link\">" .
1706                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"}, "blob");
1707                         if ($to_id ne $from_id) {
1708                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file"}, "diff");
1709                         }
1710                         print "</td>\n";
1711                 }
1712                 print "</tr>\n";
1713         }
1714         print "</table>\n";
1715         git_footer_html();
1716 }
1717
1718 sub git_blobdiff {
1719         mkdir($git_temp, 0700);
1720         git_header_html();
1721         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1722                 print "<div class=\"page_nav\">\n" .
1723                       $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1724                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1725                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1726                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1727                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1728                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree") .
1729                       "<br/>\n";
1730                 print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent"}, "plain") .
1731                       "</div>\n";
1732                 print "<div>\n" .
1733                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1734                       "</div>\n";
1735         } else {
1736                 print "<div class=\"page_nav\">\n" .
1737                       "<br/><br/></div>\n" .
1738                       "<div class=\"title\">$hash vs $hash_parent</div>\n";
1739         }
1740         if (defined $file_name) {
1741                 print "<div class=\"page_path\"><b>/$file_name</b></div>\n";
1742         }
1743         print "<div class=\"page_body\">\n" .
1744               "<div class=\"diff_info\">blob:" .
1745               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name"}, $hash_parent) .
1746               " -> blob:" .
1747               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name"}, $hash) .
1748               "</div>\n";
1749         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
1750         print "</div>";
1751         git_footer_html();
1752 }
1753
1754 sub git_blobdiff_plain {
1755         mkdir($git_temp, 0700);
1756         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
1757         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
1758 }
1759
1760 sub git_commitdiff {
1761         mkdir($git_temp, 0700);
1762         my %co = git_read_commit($hash);
1763         if (!%co) {
1764                 die_error(undef, "Unknown commit object.");
1765         }
1766         if (!defined $hash_parent) {
1767                 $hash_parent = $co{'parent'};
1768         }
1769         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
1770         my (@difftree) = map { chomp; $_ } <$fd>;
1771         close $fd or die_error(undef, "Reading diff-tree failed.");
1772
1773         git_header_html();
1774         print "<div class=\"page_nav\">\n" .
1775               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1776               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash"}, "shortlog") .
1777               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
1778               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1779               " | commitdiff" .
1780               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") . "<br/>\n";
1781         print $cgi->a({-href => "$my_uri?p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent"}, "plain") . "\n" .
1782               "</div>\n";
1783         print "<div>\n" .
1784               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1785               "</div>\n";
1786         print "<div class=\"page_body\">\n";
1787         my $comment = $co{'comment'};
1788         my $empty = 0;
1789         my $signed = 0;
1790         my @log = @$comment;
1791         # remove first and empty lines after that
1792         shift @log;
1793         while (defined $log[0] && $log[0] eq "") {
1794                 shift @log;
1795         }
1796         foreach my $line (@log) {
1797                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1798                         next;
1799                 }
1800                 if ($line eq "") {
1801                         if ($empty) {
1802                                 next;
1803                         }
1804                         $empty = 1;
1805                 } else {
1806                         $empty = 0;
1807                 }
1808                 print format_log_line_html($line) . "<br/>\n";
1809         }
1810         print "<br/>\n";
1811         foreach my $line (@difftree) {
1812                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1813                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1814                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
1815                 my $from_mode = $1;
1816                 my $to_mode = $2;
1817                 my $from_id = $3;
1818                 my $to_id = $4;
1819                 my $status = $5;
1820                 my $file = $6;
1821                 if ($status eq "A") {
1822                         print "<div class=\"diff_info\">" .  file_type($to_mode) . ":" .
1823                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id) . "(new)" .
1824                               "</div>\n";
1825                         git_diff_print(undef, "/dev/null", $to_id, "b/$file");
1826                 } elsif ($status eq "D") {
1827                         print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
1828                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) . "(deleted)" .
1829                               "</div>\n";
1830                         git_diff_print($from_id, "a/$file", undef, "/dev/null");
1831                 } elsif ($status eq "M") {
1832                         if ($from_id ne $to_id) {
1833                                 print "<div class=\"diff_info\">" .
1834                                       file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) .
1835                                       " -> " .
1836                                       file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id);
1837                                 print "</div>\n";
1838                                 git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
1839                         }
1840                 }
1841         }
1842         print "<br/>\n" .
1843               "</div>";
1844         git_footer_html();
1845 }
1846
1847 sub git_commitdiff_plain {
1848         mkdir($git_temp, 0700);
1849         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
1850         my (@difftree) = map { chomp; $_ } <$fd>;
1851         close $fd or die_error(undef, "Reading diff-tree failed.");
1852
1853         # try to figure out the next tag after this commit
1854         my $tagname;
1855         my %taghash;
1856         my $tags = git_read_refs("refs/tags");
1857         foreach my $entry (@$tags) {
1858                 my %tag = %$entry;
1859                 $taghash{$tag{'refid'}} = $tag{'name'};
1860         }
1861         open $fd, "-|", "$gitbin/git-rev-list HEAD";
1862         while (my $commit = <$fd>) {
1863                 chomp $commit;
1864                 if ($taghash{$commit}) {
1865                         $tagname = $taghash{$commit};
1866                 }
1867                 if ($commit eq $hash) {
1868                         last;
1869                 }
1870         }
1871         close $fd;
1872
1873         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
1874         my %co = git_read_commit($hash);
1875         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1876         my $comment = $co{'comment'};
1877         print "From: $co{'author'}\n" .
1878               "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
1879               "Subject: $co{'title'}\n";
1880         if (defined $tagname) {
1881               print "X-Git-Tag: $tagname\n";
1882         }
1883         print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
1884               "\n";
1885
1886         foreach my $line (@$comment) {;
1887                 print "  $line\n";
1888         }
1889         print "---\n\n";
1890
1891         foreach my $line (@difftree) {
1892                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
1893                 my $from_id = $3;
1894                 my $to_id = $4;
1895                 my $status = $5;
1896                 my $file = $6;
1897                 if ($status eq "A") {
1898                         git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
1899                 } elsif ($status eq "D") {
1900                         git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
1901                 } elsif ($status eq "M") {
1902                         git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
1903                 }
1904         }
1905 }
1906
1907 sub git_history {
1908         if (!defined $hash) {
1909                 $hash = git_read_hash("$project/HEAD");
1910         }
1911         my %co = git_read_commit($hash);
1912         if (!%co) {
1913                 die_error(undef, "Unknown commit object.");
1914         }
1915         git_header_html();
1916         print "<div class=\"page_nav\">\n" .
1917               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1918               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1919               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1920               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1921               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
1922               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
1923               "<br/><br/>\n" .
1924               "</div>\n";
1925         print "<div>\n" .
1926               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1927               "</div>\n";
1928         print "<div class=\"page_path\"><b>/$file_name</b><br/></div>\n";
1929
1930         open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin $file_name";
1931         my $commit;
1932         print "<table cellspacing=\"0\">\n";
1933         my $alternate = 0;
1934         while (my $line = <$fd>) {
1935                 if ($line =~ m/^([0-9a-fA-F]{40})/){
1936                         $commit = $1;
1937                         next;
1938                 }
1939                 if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/ && (defined $commit)) {
1940                         my %co = git_read_commit($commit);
1941                         if (!%co) {
1942                                 next;
1943                         }
1944                         if ($alternate) {
1945                                 print "<tr class=\"dark\">\n";
1946                         } else {
1947                                 print "<tr class=\"light\">\n";
1948                         }
1949                         $alternate ^= 1;
1950                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1951                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
1952                               "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"}, "<b>" .
1953                               escapeHTML(chop_str($co{'title'}, 50)) . "</b>") . "</td>\n" .
1954                               "<td class=\"link\">" .
1955                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1956                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=blob;hb=$commit;f=$file_name"}, "blob");
1957                         my $blob = git_get_hash_by_path($hash, $file_name);
1958                         my $blob_parent = git_get_hash_by_path($commit, $file_name);
1959                         if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
1960                                 print " | " .
1961                                 $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name"},
1962                                 "diff to current");
1963                         }
1964                         print "</td>\n" .
1965                               "</tr>\n";
1966                         undef $commit;
1967                 }
1968         }
1969         print "</table>\n";
1970         close $fd;
1971         git_footer_html();
1972 }
1973
1974 sub git_search {
1975         if (!defined $searchtext) {
1976                 die_error("", "Text field empty.");
1977         }
1978         if (!defined $hash) {
1979                 $hash = git_read_hash("$project/HEAD");
1980         }
1981         my %co = git_read_commit($hash);
1982         if (!%co) {
1983                 die_error(undef, "Unknown commit object.");
1984         }
1985         # pickaxe may take all resources of your box and run for several minutes
1986         # with every query - so decide by yourself how public you make this feature :)
1987         my $commit_search = 1;
1988         my $author_search = 0;
1989         my $committer_search = 0;
1990         my $pickaxe_search = 0;
1991         if ($searchtext =~ s/^author\\://i) {
1992                 $author_search = 1;
1993         } elsif ($searchtext =~ s/^committer\\://i) {
1994                 $committer_search = 1;
1995         } elsif ($searchtext =~ s/^pickaxe\\://i) {
1996                 $commit_search = 0;
1997                 $pickaxe_search = 1;
1998         }
1999         git_header_html();
2000         print "<div class=\"page_nav\">\n" .
2001               $cgi->a({-href => "$my_uri?p=$project;a=summary;h=$hash"}, "summary") .
2002               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
2003               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
2004               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
2005               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
2006               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
2007               "<br/><br/>\n" .
2008               "</div>\n";
2009
2010         print "<div>\n" .
2011               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
2012               "</div>\n";
2013         print "<table cellspacing=\"0\">\n";
2014         my $alternate = 0;
2015         if ($commit_search) {
2016                 $/ = "\0";
2017                 open my $fd, "-|", "$gitbin/git-rev-list --header $hash";
2018                 while (my $commit_text = <$fd>) {
2019                         if (!grep m/$searchtext/i, $commit_text) {
2020                                 next;
2021                         }
2022                         if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2023                                 next;
2024                         }
2025                         if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2026                                 next;
2027                         }
2028                         my @commit_lines = split "\n", $commit_text;
2029                         my $commit = shift @commit_lines;
2030                         my %co = git_read_commit($commit, \@commit_lines);
2031                         if (!%co) {
2032                                 next;
2033                         }
2034                         if ($alternate) {
2035                                 print "<tr class=\"dark\">\n";
2036                         } else {
2037                                 print "<tr class=\"light\">\n";
2038                         }
2039                         $alternate ^= 1;
2040                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2041                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2042                               "<td>" .
2043                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"}, "<b>" . escapeHTML(chop_str($co{'title'}, 50)) . "</b><br/>");
2044                         my $comment = $co{'comment'};
2045                         foreach my $line (@$comment) {
2046                                 if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2047                                         my $lead = escapeHTML($1) || "";
2048                                         $lead = chop_str($lead, 30, 10);
2049                                         my $match = escapeHTML($2) || "";
2050                                         my $trail = escapeHTML($3) || "";
2051                                         $trail = chop_str($trail, 30, 10);
2052                                         my $text = "$lead<span style=\"color:#e00000\">$match</span>$trail";
2053                                         print chop_str($text, 80, 5) . "<br/>\n";
2054                                 }
2055                         }
2056                         print "</td>\n" .
2057                               "<td class=\"link\">" .
2058                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
2059                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$commit"}, "tree");
2060                         print "</td>\n" .
2061                               "</tr>\n";
2062                 }
2063                 close $fd;
2064         }
2065
2066         if ($pickaxe_search) {
2067                 $/ = "\n";
2068                 open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -S$searchtext";
2069                 undef %co;
2070                 my @files;
2071                 while (my $line = <$fd>) {
2072                         if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2073                                 my %set;
2074                                 $set{'file'} = $6;
2075                                 $set{'from_id'} = $3;
2076                                 $set{'to_id'} = $4;
2077                                 $set{'id'} = $set{'to_id'};
2078                                 if ($set{'id'} =~ m/0{40}/) {
2079                                         $set{'id'} = $set{'from_id'};
2080                                 }
2081                                 if ($set{'id'} =~ m/0{40}/) {
2082                                         next;
2083                                 }
2084                                 push @files, \%set;
2085                         } elsif ($line =~ m/^([0-9a-fA-F]{40}) /){
2086                                 if (%co) {
2087                                         if ($alternate) {
2088                                                 print "<tr class=\"dark\">\n";
2089                                         } else {
2090                                                 print "<tr class=\"light\">\n";
2091                                         }
2092                                         $alternate ^= 1;
2093                                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2094                                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2095                                               "<td>" .
2096                                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$co{'id'}", -class => "list"}, "<b>" .
2097                                               escapeHTML(chop_str($co{'title'}, 50)) . "</b><br/>");
2098                                         while (my $setref = shift @files) {
2099                                                 my %set = %$setref;
2100                                                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}", class => "list"},
2101                                                       "<span style=\"color:#e00000\">" . escapeHTML($set{'file'}) . "</span>") .
2102                                                       "<br/>\n";
2103                                         }
2104                                         print "</td>\n" .
2105                                               "<td class=\"link\">" .
2106                                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$co{'id'}"}, "commit") .
2107                                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}"}, "tree");
2108                                         print "</td>\n" .
2109                                               "</tr>\n";
2110                                 }
2111                                 %co = git_read_commit($1);
2112                         }
2113                 }
2114                 close $fd;
2115         }
2116         print "</table>\n";
2117         git_footer_html();
2118 }
2119
2120 sub git_shortlog {
2121         my $head = git_read_hash("$project/HEAD");
2122         if (!defined $hash) {
2123                 $hash = $head;
2124         }
2125         if (!defined $page) {
2126                 $page = 0;
2127         }
2128         git_header_html();
2129         print "<div class=\"page_nav\">\n" .
2130               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
2131               " | shortlog" .
2132               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
2133               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
2134               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
2135               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash;hb=$hash"}, "tree") . "<br/>\n";
2136
2137         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2138         open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
2139         my (@revlist) = map { chomp; $_ } <$fd>;
2140         close $fd;
2141
2142         if ($hash ne $head || $page) {
2143                 print $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "HEAD");
2144         } else {
2145                 print "HEAD";
2146         }
2147         if ($page > 0) {
2148                 print " &sdot; " .
2149                 $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page-1), -accesskey => "p", -title => "Alt-p"}, "prev");
2150         } else {
2151                 print " &sdot; prev";
2152         }
2153         if ($#revlist >= (100 * ($page+1)-1)) {
2154                 print " &sdot; " .
2155                 $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page+1), -accesskey => "n", -title => "Alt-n"}, "next");
2156         } else {
2157                 print " &sdot; next";
2158         }
2159         print "<br/>\n" .
2160               "</div>\n";
2161         print "<div>\n" .
2162               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
2163               "</div>\n";
2164         print "<table cellspacing=\"0\">\n";
2165         my $alternate = 0;
2166         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2167                 my $commit = $revlist[$i];
2168                 my %co = git_read_commit($commit);
2169                 my %ad = date_str($co{'author_epoch'});
2170                 if ($alternate) {
2171                         print "<tr class=\"dark\">\n";
2172                 } else {
2173                         print "<tr class=\"light\">\n";
2174                 }
2175                 $alternate ^= 1;
2176                 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2177                       "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2178                       "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"}, "<b>" .
2179                       escapeHTML($co{'title_short'}) . "</b>") . "</td>\n" .
2180                       "<td class=\"link\">" .
2181                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
2182                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
2183                       "</td>\n" .
2184                       "</tr>";
2185         }
2186         if ($#revlist >= (100 * ($page+1)-1)) {
2187                 print "<tr>\n" .
2188                       "<td>" .
2189                       $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page+1), -title => "Alt-n"}, "next") .
2190                       "</td>\n" .
2191                       "</tr>\n";
2192         }
2193         print "</table\n>";
2194         git_footer_html();
2195 }