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 GPLv2
   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 =           "248";
  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 my $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 $order = $cgi->param('o');
  60 if (defined $order) {
  61         if ($order =~ m/[^0-9a-zA-Z_]/) {
  62                 undef $order;
  63                 die_error(undef, "Invalid order parameter.");
  64         }
  65 }
  66
  67 my $project = $cgi->param('p');
  68 if (defined $project) {
  69         $project = validate_input($project);
  70         if (!defined($project)) {
  71                 die_error(undef, "Invalid project parameter.");
  72         }
  73         if (!(-d "$projectroot/$project")) {
  74                 undef $project;
  75                 die_error(undef, "No such directory.");
  76         }
  77         if (!(-e "$projectroot/$project/HEAD")) {
  78                 undef $project;
  79                 die_error(undef, "No such project.");
  80         }
  81         $rss_link = "<link rel=\"alternate\" title=\"$project log\" href=\"$my_uri?p=$project;a=rss\" type=\"application/rss+xml\"/>";
  82         $ENV{'GIT_DIR'} = "$projectroot/$project";
  83 } else {
  84         git_project_list();
  85         exit;
  86 }
  87
  88 my $file_name = $cgi->param('f');
  89 if (defined $file_name) {
  90         $file_name = validate_input($file_name);
  91         if (!defined($file_name)) {
  92                 die_error(undef, "Invalid file parameter.");
  93         }
  94 }
  95
  96 my $hash = $cgi->param('h');
  97 if (defined $hash) {
  98         $hash = validate_input($hash);
  99         if (!defined($hash)) {
 100                 die_error(undef, "Invalid hash parameter.");
 101         }
 102 }
 103
 104 my $hash_parent = $cgi->param('hp');
 105 if (defined $hash_parent) {
 106         $hash_parent = validate_input($hash_parent);
 107         if (!defined($hash_parent)) {
 108                 die_error(undef, "Invalid hash parent parameter.");
 109         }
 110 }
 111
 112 my $hash_base = $cgi->param('hb');
 113 if (defined $hash_base) {
 114         $hash_base = validate_input($hash_base);
 115         if (!defined($hash_base)) {
 116                 die_error(undef, "Invalid hash base parameter.");
 117         }
 118 }
 119
 120 my $page = $cgi->param('pg');
 121 if (defined $page) {
 122         if ($page =~ m/[^0-9]$/) {
 123                 undef $page;
 124                 die_error(undef, "Invalid page parameter.");
 125         }
 126 }
 127
 128 my $searchtext = $cgi->param('s');
 129 if (defined $searchtext) {
 130         if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 131                 undef $searchtext;
 132                 die_error(undef, "Invalid search parameter.");
 133         }
 134         $searchtext = quotemeta $searchtext;
 135 }
 136
 137 sub validate_input {
 138         my $input = shift;
 139
 140         if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 141                 return $input;
 142         }
 143         if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 144                 return undef;
 145         }
 146         if ($input =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~]/) {
 147                 return undef;
 148         }
 149         return $input;
 150 }
 151
 152 if (!defined $action || $action eq "summary") {
 153         git_summary();
 154         exit;
 155 } elsif ($action eq "heads") {
 156         git_heads();
 157         exit;
 158 } elsif ($action eq "tags") {
 159         git_tags();
 160         exit;
 161 } elsif ($action eq "blob") {
 162         git_blob();
 163         exit;
 164 } elsif ($action eq "blob_plain") {
 165         git_blob_plain();
 166         exit;
 167 } elsif ($action eq "tree") {
 168         git_tree();
 169         exit;
 170 } elsif ($action eq "rss") {
 171         git_rss();
 172         exit;
 173 } elsif ($action eq "commit") {
 174         git_commit();
 175         exit;
 176 } elsif ($action eq "log") {
 177         git_log();
 178         exit;
 179 } elsif ($action eq "blobdiff") {
 180         git_blobdiff();
 181         exit;
 182 } elsif ($action eq "blobdiff_plain") {
 183         git_blobdiff_plain();
 184         exit;
 185 } elsif ($action eq "commitdiff") {
 186         git_commitdiff();
 187         exit;
 188 } elsif ($action eq "commitdiff_plain") {
 189         git_commitdiff_plain();
 190         exit;
 191 } elsif ($action eq "history") {
 192         git_history();
 193         exit;
 194 } elsif ($action eq "search") {
 195         git_search();
 196         exit;
 197 } elsif ($action eq "shortlog") {
 198         git_shortlog();
 199         exit;
 200 } elsif ($action eq "tag") {
 201         git_tag();
 202         exit;
 203 } else {
 204         undef $action;
 205         die_error(undef, "Unknown action.");
 206         exit;
 207 }
 208
 209 sub git_header_html {
 210         my $status = shift || "200 OK";
 211         my $expires = shift;
 212
 213         my $title = "git";
 214         if (defined $project) {
 215                 $title .= " - $project";
 216                 if (defined $action) {
 217                         $title .= "/$action";
 218                 }
 219         }
 220         print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status, -expires => $expires);
 221         print <<EOF;
 222 <?xml version="1.0" encoding="utf-8"?>
 223 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 224 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 225 <!-- git web interface v$version, (C) 2005, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke <ch\@gierke.de> -->
 226 <head>
 227 <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
 228 <meta name="robots" content="index, nofollow"/>
 229 <title>$title</title>
 230 $rss_link
 231 <style type="text/css">
 232 body { font-family: sans-serif; font-size: 12px; margin:0px; border:solid #d9d8d1; border-width:1px; margin:10px; }
 233 a { color:#0000cc; }
 234 a:hover, a:visited, a:active { color:#880000; }
 235 div.page_header { height:25px; padding:8px; font-size:18px; font-weight:bold; background-color:#d9d8d1; }
 236 div.page_header a:visited, a.header { color:#0000cc; }
 237 div.page_header a:hover { color:#880000; }
 238 div.page_nav { padding:8px; }
 239 div.page_nav a:visited { color:#0000cc; }
 240 div.page_path { padding:8px; border:solid #d9d8d1; border-width:0px 0px 1px}
 241 div.page_footer { height:17px; padding:4px 8px; background-color: #d9d8d1; }
 242 div.page_footer_text { float:left; color:#555555; font-style:italic; }
 243 div.page_body { padding:8px; }
 244 div.title, a.title {
 245         display:block; padding:6px 8px;
 246         font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
 247 }
 248 a.title:hover { background-color: #d9d8d1; }
 249 div.title_text { padding:6px 0px; border: solid #d9d8d1; border-width:0px 0px 1px; }
 250 div.log_body { padding:8px 8px 8px 150px; }
 251 span.age { position:relative; float:left; width:142px; font-style:italic; }
 252 div.log_link {
 253         padding:0px 8px;
 254         font-size:10px; font-family:sans-serif; font-style:normal;
 255         position:relative; float:left; width:136px;
 256 }
 257 div.list_head { padding:6px 8px 4px; border:solid #d9d8d1; border-width:1px 0px 0px; font-style:italic; }
 258 a.list { text-decoration:none; color:#000000; }
 259 a.list:hover { text-decoration:underline; color:#880000; }
 260 a.text { text-decoration:none; color:#0000cc; }
 261 a.text:visited { text-decoration:none; color:#880000; }
 262 a.text:hover { text-decoration:underline; color:#880000; }
 263 table { padding:8px 4px; }
 264 th { padding:2px 5px; font-size:12px; text-align:left; }
 265 tr.light:hover { background-color:#edece6; }
 266 tr.dark { background-color:#f6f6f0; }
 267 tr.dark:hover { background-color:#edece6; }
 268 td { padding:2px 5px; font-size:12px; vertical-align:top; }
 269 td.link { padding:2px 5px; font-family:sans-serif; font-size:10px; }
 270 div.pre { font-family:monospace; font-size:12px; white-space:pre; }
 271 div.diff_info { font-family:monospace; color:#000099; background-color:#edece6; font-style:italic; }
 272 div.index_include { border:solid #d9d8d1; border-width:0px 0px 1px; padding:12px 8px; }
 273 div.search { margin:4px 8px; position:absolute; top:56px; right:12px }
 274 a.linenr { color:#999999; text-decoration:none }
 275 a.rss_logo {
 276         float:right; padding:3px 0px; width:35px; line-height:10px;
 277         border:1px solid; border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e;
 278         color:#ffffff; background-color:#ff6600;
 279         font-weight:bold; font-family:sans-serif; font-size:10px;
 280         text-align:center; text-decoration:none;
 281 }
 282 a.rss_logo:hover { background-color:#ee5500; }
 283 </style>
 284 </head>
 285 <body>
 286 EOF
 287         print "<div class=\"page_header\">\n" .
 288               "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 289               "<img src=\"$my_uri?a=git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 290               "</a>\n";
 291         print $cgi->a({-href => $home_link}, "projects") . " / ";
 292         if (defined $project) {
 293                 print $cgi->a({-href => "$my_uri?p=$project;a=summary"}, escapeHTML($project));
 294                 if (defined $action) {
 295                         print " / $action";
 296                 }
 297                 print "\n";
 298                 if (!defined $searchtext) {
 299                         $searchtext = "";
 300                 }
 301                 my $search_hash;
 302                 if (defined $hash) {
 303                         $search_hash = $hash;
 304                 } else {
 305                         $search_hash  = "HEAD";
 306                 }
 307                 $cgi->param("a", "search");
 308                 $cgi->param("h", $search_hash);
 309                 print $cgi->startform(-method => "get", -action => "$my_uri") .
 310                       "<div class=\"search\">\n" .
 311                       $cgi->hidden(-name => "p") . "\n" .
 312                       $cgi->hidden(-name => "a") . "\n" .
 313                       $cgi->hidden(-name => "h") . "\n" .
 314                       $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 315                       "</div>" .
 316                       $cgi->end_form() . "\n";
 317         }
 318         print "</div>\n";
 319 }
 320
 321 sub git_footer_html {
 322         print "<div class=\"page_footer\">\n";
 323         if (defined $project) {
 324                 my $descr = git_read_description($project);
 325                 if (defined $descr) {
 326                         print "<div class=\"page_footer_text\">" . escapeHTML($descr) . "</div>\n";
 327                 }
 328                 print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "rss_logo"}, "RSS") . "\n";
 329         } else {
 330                 print $cgi->a({-href => "$my_uri?a=opml", -class => "rss_logo"}, "OPML") . "\n";
 331         }
 332         print "</div>\n" .
 333               "</body>\n" .
 334               "</html>";
 335 }
 336
 337 sub die_error {
 338         my $status = shift || "403 Forbidden";
 339         my $error = shift || "Malformed query, file missing or permission denied";
 340
 341         git_header_html($status);
 342         print "<div class=\"page_body\">\n" .
 343               "<br/><br/>\n" .
 344               "$status - $error\n" .
 345               "<br/>\n" .
 346               "</div>\n";
 347         git_footer_html();
 348         exit;
 349 }
 350
 351 sub git_get_type {
 352         my $hash = shift;
 353
 354         open my $fd, "-|", "$gitbin/git-cat-file -t $hash" or return;
 355         my $type = <$fd>;
 356         close $fd or return;
 357         chomp $type;
 358         return $type;
 359 }
 360
 361 sub git_read_hash {
 362         my $path = shift;
 363
 364         open my $fd, "$projectroot/$path" or return undef;
 365         my $head = <$fd>;
 366         close $fd;
 367         chomp $head;
 368         if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 369                 return $head;
 370         }
 371 }
 372
 373 sub git_read_description {
 374         my $path = shift;
 375
 376         open my $fd, "$projectroot/$path/description" or return undef;
 377         my $descr = <$fd>;
 378         close $fd;
 379         chomp $descr;
 380         return $descr;
 381 }
 382
 383 sub git_read_tag {
 384         my $tag_id = shift;
 385         my %tag;
 386         my @comment;
 387
 388         open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" or return;
 389         $tag{'id'} = $tag_id;
 390         while (my $line = <$fd>) {
 391                 chomp $line;
 392                 if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 393                         $tag{'object'} = $1;
 394                 } elsif ($line =~ m/^type (.+)$/) {
 395                         $tag{'type'} = $1;
 396                 } elsif ($line =~ m/^tag (.+)$/) {
 397                         $tag{'name'} = $1;
 398                 } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 399                         $tag{'author'} = $1;
 400                         $tag{'epoch'} = $2;
 401                         $tag{'tz'} = $3;
 402                 } elsif ($line =~ m/--BEGIN/) {
 403                         push @comment, $line;
 404                         last;
 405                 } elsif ($line eq "") {
 406                         last;
 407                 }
 408         }
 409         push @comment, <$fd>;
 410         $tag{'comment'} = \@comment;
 411         close $fd or return;
 412         if (!defined $tag{'name'}) {
 413                 return
 414         };
 415         return %tag
 416 }
 417
 418 sub age_string {
 419         my $age = shift;
 420         my $age_str;
 421
 422         if ($age > 60*60*24*365*2) {
 423                 $age_str = (int $age/60/60/24/365);
 424                 $age_str .= " years ago";
 425         } elsif ($age > 60*60*24*(365/12)*2) {
 426                 $age_str = int $age/60/60/24/(365/12);
 427                 $age_str .= " months ago";
 428         } elsif ($age > 60*60*24*7*2) {
 429                 $age_str = int $age/60/60/24/7;
 430                 $age_str .= " weeks ago";
 431         } elsif ($age > 60*60*24*2) {
 432                 $age_str = int $age/60/60/24;
 433                 $age_str .= " days ago";
 434         } elsif ($age > 60*60*2) {
 435                 $age_str = int $age/60/60;
 436                 $age_str .= " hours ago";
 437         } elsif ($age > 60*2) {
 438                 $age_str = int $age/60;
 439                 $age_str .= " min ago";
 440         } elsif ($age > 2) {
 441                 $age_str = int $age;
 442                 $age_str .= " sec ago";
 443         } else {
 444                 $age_str .= " right now";
 445         }
 446         return $age_str;
 447 }
 448
 449 sub git_read_commit {
 450         my $commit_id = shift;
 451         my $commit_text = shift;
 452
 453         my @commit_lines;
 454         my %co;
 455
 456         if (defined $commit_text) {
 457                 @commit_lines = @$commit_text;
 458         } else {
 459                 $/ = "\0";
 460                 open my $fd, "-|", "$gitbin/git-rev-list --header --parents --max-count=1 $commit_id" or return;
 461                 @commit_lines = split '\n', <$fd>;
 462                 close $fd or return;
 463                 $/ = "\n";
 464                 pop @commit_lines;
 465         }
 466         my $header = shift @commit_lines;
 467         if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 468                 return;
 469         }
 470         ($co{'id'}, my @parents) = split ' ', $header;
 471         $co{'parents'} = \@parents;
 472         $co{'parent'} = $parents[0];
 473         while (my $line = shift @commit_lines) {
 474                 last if $line eq "\n";
 475                 if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 476                         $co{'tree'} = $1;
 477                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 478                         $co{'author'} = $1;
 479                         $co{'author_epoch'} = $2;
 480                         $co{'author_tz'} = $3;
 481                         if ($co{'author'} =~ m/^([^<]+) </) {
 482                                 $co{'author_name'} = $1;
 483                         } else {
 484                                 $co{'author_name'} = $co{'author'};
 485                         }
 486                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 487                         $co{'committer'} = $1;
 488                         $co{'committer_epoch'} = $2;
 489                         $co{'committer_tz'} = $3;
 490                         $co{'committer_name'} = $co{'committer'};
 491                         $co{'committer_name'} =~ s/ <.*//;
 492                 }
 493         }
 494         if (!defined $co{'tree'}) {
 495                 return;
 496         };
 497
 498         foreach my $title (@commit_lines) {
 499                 if ($title ne "") {
 500                         $co{'title'} = chop_str($title, 80, 5);
 501                         # remove leading stuff of merges to make the interesting part visible
 502                         if (length($title) > 50) {
 503                                 $title =~ s/^Automatic //;
 504                                 $title =~ s/^merge (of|with) /Merge ... /i;
 505                                 if (length($title) > 50) {
 506                                         $title =~ s/(http|rsync):\/\///;
 507                                 }
 508                                 if (length($title) > 50) {
 509                                         $title =~ s/(master|www|rsync)\.//;
 510                                 }
 511                                 if (length($title) > 50) {
 512                                         $title =~ s/kernel.org:?//;
 513                                 }
 514                                 if (length($title) > 50) {
 515                                         $title =~ s/\/pub\/scm//;
 516                                 }
 517                         }
 518                         $co{'title_short'} = chop_str($title, 50, 5);
 519                         last;
 520                 }
 521         }
 522         # remove added spaces
 523         foreach my $line (@commit_lines) {
 524                 $line =~ s/^    //;
 525         }
 526         $co{'comment'} = \@commit_lines;
 527
 528         my $age = time - $co{'committer_epoch'};
 529         $co{'age'} = $age;
 530         $co{'age_string'} = age_string($age);
 531         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 532         if ($age > 60*60*24*7*2) {
 533                 $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 534                 $co{'age_string_age'} = $co{'age_string'};
 535         } else {
 536                 $co{'age_string_date'} = $co{'age_string'};
 537                 $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 538         }
 539         return %co;
 540 }
 541
 542 sub git_diff_print {
 543         my $from = shift;
 544         my $from_name = shift;
 545         my $to = shift;
 546         my $to_name = shift;
 547         my $format = shift || "html";
 548
 549         my $from_tmp = "/dev/null";
 550         my $to_tmp = "/dev/null";
 551         my $pid = $$;
 552
 553         # create tmp from-file
 554         if (defined $from) {
 555                 $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
 556                 open my $fd2, "> $from_tmp";
 557                 open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 558                 my @file = <$fd>;
 559                 print $fd2 @file;
 560                 close $fd2;
 561                 close $fd;
 562         }
 563
 564         # create tmp to-file
 565         if (defined $to) {
 566                 $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
 567                 open my $fd2, "> $to_tmp";
 568                 open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 569                 my @file = <$fd>;
 570                 print $fd2 @file;
 571                 close $fd2;
 572                 close $fd;
 573         }
 574
 575         open my $fd, "-|", "/usr/bin/diff -u -p -L $from_name -L $to_name $from_tmp $to_tmp";
 576         if ($format eq "plain") {
 577                 undef $/;
 578                 print <$fd>;
 579                 $/ = "\n";
 580         } else {
 581                 while (my $line = <$fd>) {
 582                         chomp($line);
 583                         my $char = substr($line, 0, 1);
 584                         my $color = "";
 585                         if ($char eq '+') {
 586                                 $color = " style=\"color:#008800;\"";
 587                         } elsif ($char eq "-") {
 588                                 $color = " style=\"color:#cc0000;\"";
 589                         } elsif ($char eq "@") {
 590                                 $color = " style=\"color:#990099;\"";
 591                         } elsif ($char eq "\\") {
 592                                 # skip errors
 593                                 next;
 594                         }
 595                         while ((my $pos = index($line, "\t")) != -1) {
 596                                 if (my $count = (8 - (($pos-1) % 8))) {
 597                                         my $spaces = ' ' x $count;
 598                                         $line =~ s/\t/$spaces/;
 599                                 }
 600                         }
 601                         print "<div class=\"pre\"$color>" . escapeHTML($line) . "</div>\n";
 602                 }
 603         }
 604         close $fd;
 605
 606         if (defined $from) {
 607                 unlink($from_tmp);
 608         }
 609         if (defined $to) {
 610                 unlink($to_tmp);
 611         }
 612 }
 613
 614 sub mode_str {
 615         my $mode = oct shift;
 616
 617         if (S_ISDIR($mode & S_IFMT)) {
 618                 return 'drwxr-xr-x';
 619         } elsif (S_ISLNK($mode)) {
 620                 return 'lrwxrwxrwx';
 621         } elsif (S_ISREG($mode)) {
 622                 # git cares only about the executable bit
 623                 if ($mode & S_IXUSR) {
 624                         return '-rwxr-xr-x';
 625                 } else {
 626                         return '-rw-r--r--';
 627                 };
 628         } else {
 629                 return '----------';
 630         }
 631 }
 632
 633 sub chop_str {
 634         my $str = shift;
 635         my $len = shift;
 636         my $add_len = shift || 10;
 637
 638         # allow only $len chars, but don't cut a word if it would fit in $add_len
 639         # if it doesn't fit, cut it if it's still longer than the dots we would add
 640         $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 641         my $body = $1;
 642         my $tail = $2;
 643         if (length($tail) > 4) {
 644                 $tail = " ...";
 645         }
 646         return "$body$tail";
 647 }
 648
 649 sub file_type {
 650         my $mode = oct shift;
 651
 652         if (S_ISDIR($mode & S_IFMT)) {
 653                 return "directory";
 654         } elsif (S_ISLNK($mode)) {
 655                 return "symlink";
 656         } elsif (S_ISREG($mode)) {
 657                 return "file";
 658         } else {
 659                 return "unknown";
 660         }
 661 }
 662
 663 sub format_log_line_html {
 664         my $line = shift;
 665
 666         $line = escapeHTML($line);
 667         $line =~ s/ /&nbsp;/g;
 668         if ($line =~ m/([0-9a-fA-F]{40})/) {
 669                 my $hash_text = $1;
 670                 if (git_get_type($hash_text) eq "commit") {
 671                         my $link = $cgi->a({-class => "text", -href => "$my_uri?p=$project;a=commit;h=$hash_text"}, $hash_text);
 672                         $line =~ s/$hash_text/$link/;
 673                 }
 674         }
 675         return $line;
 676 }
 677
 678 sub date_str {
 679         my $epoch = shift;
 680         my $tz = shift || "-0000";
 681
 682         my %date;
 683         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 684         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 685         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 686         $date{'hour'} = $hour;
 687         $date{'minute'} = $min;
 688         $date{'mday'} = $mday;
 689         $date{'day'} = $days[$wday];
 690         $date{'month'} = $months[$mon];
 691         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 692         $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 693
 694         $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 695         my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 696         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 697         $date{'hour_local'} = $hour;
 698         $date{'minute_local'} = $min;
 699         $date{'tz_local'} = $tz;
 700         return %date;
 701 }
 702
 703 # git-logo (cached in browser for one day)
 704 sub git_logo {
 705         print $cgi->header(-type => 'image/png', -expires => '+1d');
 706         # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 707         print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 708                 "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 709                 "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 710                 "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 711                 "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 712                 "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 713                 "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 714                 "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 715                 "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 716                 "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 717                 "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 718                 "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 719                 "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 720 }
 721
 722 sub get_file_owner {
 723         my $path = shift;
 724
 725         my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 726         my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 727         if (!defined $gcos) {
 728                 return undef;
 729         }
 730         my $owner = $gcos;
 731         $owner =~ s/[,;].*$//;
 732         return $owner;
 733 }
 734
 735 sub git_read_projects {
 736         my @list;
 737
 738         if (-d $projects_list) {
 739                 # search in directory
 740                 my $dir = $projects_list;
 741                 opendir my $dh, $dir or return undef;
 742                 while (my $dir = readdir($dh)) {
 743                         if (-e "$projectroot/$dir/HEAD") {
 744                                 my $pr = {
 745                                         path => $dir,
 746                                 };
 747                                 push @list, $pr
 748                         }
 749                 }
 750                 closedir($dh);
 751         } elsif (-f $projects_list) {
 752                 # read from file(url-encoded):
 753                 # 'git%2Fgit.git Linus+Torvalds'
 754                 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 755                 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 756                 open my $fd , $projects_list or return undef;
 757                 while (my $line = <$fd>) {
 758                         chomp $line;
 759                         my ($path, $owner) = split ' ', $line;
 760                         $path = unescape($path);
 761                         $owner = unescape($owner);
 762                         if (!defined $path) {
 763                                 next;
 764                         }
 765                         if (-e "$projectroot/$path/HEAD") {
 766                                 my $pr = {
 767                                         path => $path,
 768                                         owner => $owner,
 769                                 };
 770                                 push @list, $pr
 771                         }
 772                 }
 773                 close $fd;
 774         }
 775         @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 776         return @list;
 777 }
 778
 779 sub git_project_list {
 780         my @list = git_read_projects();
 781         my @projects;
 782         if (!@list) {
 783                 die_error(undef, "No project found.");
 784         }
 785         foreach my $pr (@list) {
 786                 my $head = git_read_hash("$pr->{'path'}/HEAD");
 787                 if (!defined $head) {
 788                         next;
 789                 }
 790                 $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
 791                 my %co = git_read_commit($head);
 792                 if (!%co) {
 793                         next;
 794                 }
 795                 $pr->{'commit'} = \%co;
 796                 if (!defined $pr->{'descr'}) {
 797                         my $descr = git_read_description($pr->{'path'}) || "";
 798                         $pr->{'descr'} = chop_str($descr, 25, 5);
 799                 }
 800                 if (!defined $pr->{'owner'}) {
 801                         $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
 802                 }
 803                 push @projects, $pr;
 804         }
 805         git_header_html();
 806         if (-f $home_text) {
 807                 print "<div class=\"index_include\">\n";
 808                 open (my $fd, $home_text);
 809                 print <$fd>;
 810                 close $fd;
 811                 print "</div>\n";
 812         }
 813         print "<table cellspacing=\"0\">\n" .
 814               "<tr>\n";
 815         if (!defined($order) || (defined($order) && ($order eq "project"))) {
 816                 @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
 817                 print "<th>Project</th>\n";
 818         } else {
 819                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?o=project"}, "Project") . "</th>\n";
 820         }
 821         if (defined($order) && ($order eq "descr")) {
 822                 @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
 823                 print "<th>Description</th>\n";
 824         } else {
 825                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?o=descr"}, "Description") . "</th>\n";
 826         }
 827         if (defined($order) && ($order eq "owner")) {
 828                 @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
 829                 print "<th>Owner</th>\n";
 830         } else {
 831                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?o=owner"}, "Owner") . "</th>\n";
 832         }
 833         if (defined($order) && ($order eq "age")) {
 834                 @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
 835                 print "<th>Last Change</th>\n";
 836         } else {
 837                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?o=age"}, "Last Change") . "</th>\n";
 838         }
 839         print "<th></th>\n" .
 840               "</tr>\n";
 841         my $alternate = 0;
 842         foreach my $pr (@projects) {
 843                 if ($alternate) {
 844                         print "<tr class=\"dark\">\n";
 845                 } else {
 846                         print "<tr class=\"light\">\n";
 847                 }
 848                 $alternate ^= 1;
 849                 print "<td>" . $cgi->a({-href => "$my_uri?p=$pr->{'path'};a=summary", -class => "list"}, escapeHTML($pr->{'path'})) . "</td>\n" .
 850                       "<td>$pr->{'descr'}</td>\n" .
 851                       "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
 852                 my $colored_age;
 853                 if ($pr->{'commit'}{'age'} < 60*60*2) {
 854                         $colored_age = "<span style =\"color: #009900;\"><b><i>$pr->{'commit'}{'age_string'}</i></b></span>";
 855                 } elsif ($pr->{'commit'}{'age'} < 60*60*24*2) {
 856                         $colored_age = "<span style =\"color: #009900;\"><i>$pr->{'commit'}{'age_string'}</i></span>";
 857                 } else {
 858                         $colored_age = "<i>$pr->{'commit'}{'age_string'}</i>";
 859                 }
 860                 print "<td>$colored_age</td>\n" .
 861                       "<td class=\"link\">" .
 862                       $cgi->a({-href => "$my_uri?p=$pr->{'path'};a=summary"}, "summary") .
 863                       " | " . $cgi->a({-href => "$my_uri?p=$pr->{'path'};a=shortlog"}, "shortlog") .
 864                       " | " . $cgi->a({-href => "$my_uri?p=$pr->{'path'};a=log"}, "log") .
 865                       "</td>\n" .
 866                       "</tr>\n";
 867         }
 868         print "</table>\n";
 869         git_footer_html();
 870 }
 871
 872 sub git_read_refs {
 873         my $ref_dir = shift;
 874         my @reflist;
 875
 876         my @refs;
 877         opendir my $dh, "$projectroot/$project/$ref_dir";
 878         while (my $dir = readdir($dh)) {
 879                 if ($dir =~ m/^\./) {
 880                         next;
 881                 }
 882                 if (-d "$projectroot/$project/$ref_dir/$dir") {
 883                         opendir my $dh2, "$projectroot/$project/$ref_dir/$dir";
 884                         my @subdirs = grep !m/^\./, readdir $dh2;
 885                         closedir($dh2);
 886                         foreach my $subdir (@subdirs) {
 887                                 push @refs, "$dir/$subdir"
 888                         }
 889                         next;
 890                 }
 891                 push @refs, $dir;
 892         }
 893         closedir($dh);
 894         foreach my $ref_file (@refs) {
 895                 my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 896                 my $type = git_get_type($ref_id) || next;
 897                 my %ref_item;
 898                 my %co;
 899                 $ref_item{'type'} = $type;
 900                 $ref_item{'id'} = $ref_id;
 901                 $ref_item{'epoch'} = 0;
 902                 $ref_item{'age'} = "unknown";
 903                 if ($type eq "tag") {
 904                         my %tag = git_read_tag($ref_id);
 905                         $ref_item{'comment'} = $tag{'comment'};
 906                         if ($tag{'type'} eq "commit") {
 907                                 %co = git_read_commit($tag{'object'});
 908                                 $ref_item{'epoch'} = $co{'committer_epoch'};
 909                                 $ref_item{'age'} = $co{'age_string'};
 910                         } elsif (defined($tag{'epoch'})) {
 911                                 my $age = time - $tag{'epoch'};
 912                                 $ref_item{'epoch'} = $tag{'epoch'};
 913                                 $ref_item{'age'} = age_string($age);
 914                         }
 915                         $ref_item{'reftype'} = $tag{'type'};
 916                         $ref_item{'name'} = $tag{'name'};
 917                         $ref_item{'refid'} = $tag{'object'};
 918                 } elsif ($type eq "commit"){
 919                         %co = git_read_commit($ref_id);
 920                         $ref_item{'reftype'} = "commit";
 921                         $ref_item{'name'} = $ref_file;
 922                         $ref_item{'title'} = $co{'title'};
 923                         $ref_item{'refid'} = $ref_id;
 924                         $ref_item{'epoch'} = $co{'committer_epoch'};
 925                         $ref_item{'age'} = $co{'age_string'};
 926                 }
 927
 928                 push @reflist, \%ref_item;
 929         }
 930         # sort tags by age
 931         @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
 932         return \@reflist;
 933 }
 934
 935 sub git_summary {
 936         my $descr = git_read_description($project) || "none";
 937         my $head = git_read_hash("$project/HEAD");
 938         my %co = git_read_commit($head);
 939         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 940
 941         my $owner;
 942         if (-f $projects_list) {
 943                 open (my $fd , $projects_list);
 944                 while (my $line = <$fd>) {
 945                         chomp $line;
 946                         my ($pr, $ow) = split ' ', $line;
 947                         $pr = unescape($pr);
 948                         $ow = unescape($ow);
 949                         if ($pr eq $project) {
 950                                 $owner = $ow;
 951                                 last;
 952                         }
 953                 }
 954                 close $fd;
 955         }
 956         if (!defined $owner) {
 957                 $owner = get_file_owner("$projectroot/$project");
 958         }
 959
 960         git_header_html();
 961         print "<div class=\"page_nav\">\n" .
 962               "summary".
 963               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
 964               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 965               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
 966               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
 967               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
 968               "<br/><br/>\n" .
 969               "</div>\n";
 970         print "<div class=\"title\">&nbsp;</div>\n";
 971         print "<table cellspacing=\"0\">\n" .
 972               "<tr><td>description</td><td>" . escapeHTML($descr) . "</td></tr>\n" .
 973               "<tr><td>owner</td><td>$owner</td></tr>\n" .
 974               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
 975               "</table>\n";
 976         open my $fd, "-|", "$gitbin/git-rev-list --max-count=17 " . git_read_hash("$project/HEAD") or die_error(undef, "Open failed.");
 977         my (@revlist) = map { chomp; $_ } <$fd>;
 978         close $fd;
 979         print "<div>\n" .
 980               $cgi->a({-href => "$my_uri?p=$project;a=shortlog", -class => "title"}, "shortlog") .
 981               "</div>\n";
 982         my $i = 16;
 983         print "<table cellspacing=\"0\">\n";
 984         my $alternate = 0;
 985         foreach my $commit (@revlist) {
 986                 my %co = git_read_commit($commit);
 987                 my %ad = date_str($co{'author_epoch'});
 988                 if ($alternate) {
 989                         print "<tr class=\"dark\">\n";
 990                 } else {
 991                         print "<tr class=\"light\">\n";
 992                 }
 993                 $alternate ^= 1;
 994                 if ($i-- > 0) {
 995                         print "<td><i>$co{'age_string'}</i></td>\n" .
 996                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
 997                               "<td>";
 998                         if (length($co{'title_short'}) < length($co{'title'})) {
 999                                 print $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list", -title => "$co{'title'}"},
1000                                       "<b>" . escapeHTML($co{'title_short'}) . "</b>");
1001                         } else {
1002                                 print $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"},
1003                                       "<b>" . escapeHTML($co{'title'}) . "</b>");
1004                         }
1005                         print "</td>\n" .
1006                               "<td class=\"link\">" .
1007                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1008                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
1009                               "</td>\n" .
1010                               "</tr>";
1011                 } else {
1012                         print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "...") . "</td>\n" .
1013                         "</tr>";
1014                         last;
1015                 }
1016         }
1017         print "</table\n>";
1018
1019         my $taglist = git_read_refs("refs/tags");
1020         if (defined @$taglist) {
1021                 print "<div>\n" .
1022                       $cgi->a({-href => "$my_uri?p=$project;a=tags", -class => "title"}, "tags") .
1023                       "</div>\n";
1024                 my $i = 16;
1025                 print "<table cellspacing=\"0\">\n";
1026                 my $alternate = 0;
1027                 foreach my $entry (@$taglist) {
1028                         my %tag = %$entry;
1029                         my $comment_lines = $tag{'comment'};
1030                         my $comment = shift @$comment_lines;
1031                         if (defined($comment)) {
1032                                 $comment = chop_str($comment, 30, 5);
1033                         }
1034                         if ($alternate) {
1035                                 print "<tr class=\"dark\">\n";
1036                         } else {
1037                                 print "<tr class=\"light\">\n";
1038                         }
1039                         $alternate ^= 1;
1040                         if ($i-- > 0) {
1041                                 print "<td><i>$tag{'age'}</i></td>\n" .
1042                                       "<td>" .
1043                                       $cgi->a({-href => "$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}", -class => "list"},
1044                                       "<b>" . escapeHTML($tag{'name'}) . "</b>") .
1045                                       "</td>\n" .
1046                                       "<td>";
1047                                 if (defined($comment)) {
1048                                       print $cgi->a({-class => "list", -href => "$my_uri?p=$project;a=tag;h=$tag{'id'}"}, $comment);
1049                                 }
1050                                 print "</td>\n" .
1051                                       "<td class=\"link\">";
1052                                 if ($tag{'type'} eq "tag") {
1053                                       print $cgi->a({-href => "$my_uri?p=$project;a=tag;h=$tag{'id'}"}, "tag") . " | ";
1054                                 }
1055                                 print $cgi->a({-href => "$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}"}, $tag{'reftype'});
1056                                 if ($tag{'reftype'} eq "commit") {
1057                                       print " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}"}, "shortlog") .
1058                                             " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'refid'}"}, "log");
1059                                 }
1060                                 print "</td>\n" .
1061                                       "</tr>";
1062                         } else {
1063                                 print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=tags"}, "...") . "</td>\n" .
1064                                 "</tr>";
1065                                 last;
1066                         }
1067                 }
1068                 print "</table\n>";
1069         }
1070
1071         my $headlist = git_read_refs("refs/heads");
1072         if (defined @$headlist) {
1073                 print "<div>\n" .
1074                       $cgi->a({-href => "$my_uri?p=$project;a=heads", -class => "title"}, "heads") .
1075                       "</div>\n";
1076                 my $i = 16;
1077                 print "<table cellspacing=\"0\">\n";
1078                 my $alternate = 0;
1079                 foreach my $entry (@$headlist) {
1080                         my %tag = %$entry;
1081                         if ($alternate) {
1082                                 print "<tr class=\"dark\">\n";
1083                         } else {
1084                                 print "<tr class=\"light\">\n";
1085                         }
1086                         $alternate ^= 1;
1087                         if ($i-- > 0) {
1088                                 print "<td><i>$tag{'age'}</i></td>\n" .
1089                                       "<td>" .
1090                                       $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}", -class => "list"},
1091                                       "<b>" . escapeHTML($tag{'name'}) . "</b>") .
1092                                       "</td>\n" .
1093                                       "<td class=\"link\">" .
1094                                       $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}"}, "shortlog") .
1095                                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'name'}"}, "log") .
1096                                       "</td>\n" .
1097                                       "</tr>";
1098                         } else {
1099                                 print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=heads"}, "...") . "</td>\n" .
1100                                 "</tr>";
1101                                 last;
1102                         }
1103                 }
1104                 print "</table\n>";
1105         }
1106         git_footer_html();
1107 }
1108
1109 sub git_tag {
1110         my $head = git_read_hash("$project/HEAD");
1111         git_header_html();
1112         print "<div class=\"page_nav\">\n" .
1113               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1114               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1115               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1116               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
1117               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
1118               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;hb=$head"}, "tree") . "<br/>\n" .
1119               "<br/>\n" .
1120               "</div>\n";
1121         my %tag = git_read_tag($hash);
1122         print "<div>\n" .
1123               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($tag{'name'})) . "\n" .
1124               "</div>\n";
1125         print "<div class=\"title_text\">\n" .
1126               "<table cellspacing=\"0\">\n" .
1127               "<tr>\n" .
1128               "<td>object</td>\n" .
1129               "<td>" . $cgi->a({-class => "list", -href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'object'}"}, $tag{'object'}) . "</td>\n" .
1130               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'object'}"}, $tag{'type'}) . "</td>\n" .
1131               "</tr>\n";
1132         if (defined($tag{'author'})) {
1133                 my %ad = date_str($tag{'epoch'}, $tag{'tz'});
1134                 print "<tr><td>author</td><td>" . escapeHTML($tag{'author'}) . "</td></tr>\n";
1135                 print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1136         }
1137         print "</table>\n\n" .
1138               "</div>\n";
1139         print "<div class=\"page_body\">";
1140         my $comment = $tag{'comment'};
1141         foreach my $line (@$comment) {
1142                 print escapeHTML($line) . "<br/>\n";
1143         }
1144         print "</div>\n";
1145         git_footer_html();
1146 }
1147
1148 sub git_tags {
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/tags");
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                         my $comment_lines = $tag{'comment'};
1170                         my $comment = shift @$comment_lines;
1171                         if (defined($comment)) {
1172                                 $comment = chop_str($comment, 30, 5);
1173                         }
1174                         if ($alternate) {
1175                                 print "<tr class=\"dark\">\n";
1176                         } else {
1177                                 print "<tr class=\"light\">\n";
1178                         }
1179                         $alternate ^= 1;
1180                         print "<td><i>$tag{'age'}</i></td>\n" .
1181                               "<td>" .
1182                               $cgi->a({-href => "$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}", -class => "list"},
1183                               "<b>" . escapeHTML($tag{'name'}) . "</b>") .
1184                               "</td>\n" .
1185                               "<td>";
1186                         if (defined($comment)) {
1187                               print $cgi->a({-class => "list", -href => "$my_uri?p=$project;a=tag;h=$tag{'id'}"}, $comment);
1188                         }
1189                         print "</td>\n" .
1190                               "<td class=\"link\">";
1191                         if ($tag{'type'} eq "tag") {
1192                               print $cgi->a({-href => "$my_uri?p=$project;a=tag;h=$tag{'id'}"}, "tag") . " | ";
1193                         }
1194                         print $cgi->a({-href => "$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}"}, $tag{'reftype'});
1195                         if ($tag{'reftype'} eq "commit") {
1196                               print " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}"}, "shortlog") .
1197                                     " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'refid'}"}, "log");
1198                         }
1199                         print "</td>\n" .
1200                               "</tr>";
1201                 }
1202         }
1203         print "</table\n>";
1204         git_footer_html();
1205 }
1206
1207 sub git_heads {
1208         my $head = git_read_hash("$project/HEAD");
1209         git_header_html();
1210         print "<div class=\"page_nav\">\n" .
1211               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1212               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1213               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1214               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
1215               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
1216               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;hb=$head"}, "tree") . "<br/>\n" .
1217               "<br/>\n" .
1218               "</div>\n";
1219         my $taglist = git_read_refs("refs/heads");
1220         print "<div>\n" .
1221               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
1222               "</div>\n";
1223         print "<table cellspacing=\"0\">\n";
1224         my $alternate = 0;
1225         if (defined @$taglist) {
1226                 foreach my $entry (@$taglist) {
1227                         my %tag = %$entry;
1228                         if ($alternate) {
1229                                 print "<tr class=\"dark\">\n";
1230                         } else {
1231                                 print "<tr class=\"light\">\n";
1232                         }
1233                         $alternate ^= 1;
1234                         print "<td><i>$tag{'age'}</i></td>\n" .
1235                               "<td>" .
1236                               $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}", -class => "list"}, "<b>" . escapeHTML($tag{'name'}) . "</b>") .
1237                               "</td>\n" .
1238                               "<td class=\"link\">" .
1239                               $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}"}, "shortlog") .
1240                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'name'}"}, "log") .
1241                               "</td>\n" .
1242                               "</tr>";
1243                 }
1244         }
1245         print "</table\n>";
1246         git_footer_html();
1247 }
1248
1249 sub git_get_hash_by_path {
1250         my $base = shift;
1251         my $path = shift || return undef;
1252
1253         my $tree = $base;
1254         my @parts = split '/', $path;
1255         while (my $part = shift @parts) {
1256                 open my $fd, "-|", "$gitbin/git-ls-tree $tree" or die_error(undef, "Open git-ls-tree failed.");
1257                 my (@entries) = map { chomp; $_ } <$fd>;
1258                 close $fd or return undef;
1259                 foreach my $line (@entries) {
1260                         #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1261                         $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1262                         my $t_mode = $1;
1263                         my $t_type = $2;
1264                         my $t_hash = $3;
1265                         my $t_name = $4;
1266                         if ($t_name eq $part) {
1267                                 if (!(@parts)) {
1268                                         return $t_hash;
1269                                 }
1270                                 if ($t_type eq "tree") {
1271                                         $tree = $t_hash;
1272                                 }
1273                                 last;
1274                         }
1275                 }
1276         }
1277 }
1278
1279 sub git_blob {
1280         if (!defined $hash && defined $file_name) {
1281                 my $base = $hash_base || git_read_hash("$project/HEAD");
1282                 $hash = git_get_hash_by_path($base, $file_name, "blob");
1283         }
1284         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or die_error(undef, "Open failed.");
1285         git_header_html();
1286         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1287                 print "<div class=\"page_nav\">\n" .
1288                       $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1289                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1290                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1291                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1292                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1293                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree") . "<br/>\n";
1294                 if (defined $file_name) {
1295                         print $cgi->a({-href => "$my_uri?p=$project;a=blob_plain;h=$hash;f=$file_name"}, "plain") . "<br/>\n";
1296                 } else {
1297                         print $cgi->a({-href => "$my_uri?p=$project;a=blob_plain;h=$hash"}, "plain") . "<br/>\n";
1298                 }
1299                 print "</div>\n".
1300                        "<div>" .
1301                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) .
1302                       "</div>\n";
1303         } else {
1304                 print "<div class=\"page_nav\">\n" .
1305                       "<br/><br/></div>\n" .
1306                       "<div class=\"title\">$hash</div>\n";
1307         }
1308         if (defined $file_name) {
1309                 print "<div class=\"page_path\"><b>$file_name</b></div>\n";
1310         }
1311         print "<div class=\"page_body\">\n";
1312         my $nr;
1313         while (my $line = <$fd>) {
1314                 chomp $line;
1315                 $nr++;
1316                 while ((my $pos = index($line, "\t")) != -1) {
1317                         if (my $count = (8 - ($pos % 8))) {
1318                                 my $spaces = ' ' x $count;
1319                                 $line =~ s/\t/$spaces/;
1320                         }
1321                 }
1322                 printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, escapeHTML($line);
1323         }
1324         close $fd or print "Reading blob failed.\n";
1325         print "</div>";
1326         git_footer_html();
1327 }
1328
1329 sub git_blob_plain {
1330         my $save_as = "$hash.txt";
1331         if (defined $file_name) {
1332                 $save_as = $file_name;
1333         }
1334         print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"$save_as\"");
1335         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or return;
1336         undef $/;
1337         print <$fd>;
1338         $/ = "\n";
1339         close $fd;
1340 }
1341
1342 sub git_tree {
1343         if (!defined $hash) {
1344                 $hash = git_read_hash("$project/HEAD");
1345                 if (defined $file_name) {
1346                         my $base = $hash_base || git_read_hash("$project/HEAD");
1347                         $hash = git_get_hash_by_path($base, $file_name, "tree");
1348                 }
1349                 if (!defined $hash_base) {
1350                         $hash_base = git_read_hash("$project/HEAD");
1351                 }
1352         }
1353         open my $fd, "-|", "$gitbin/git-ls-tree $hash" or die_error(undef, "Open git-ls-tree failed.");
1354         my (@entries) = map { chomp; $_ } <$fd>;
1355         close $fd or die_error(undef, "Reading tree failed.");
1356
1357         git_header_html();
1358         my $base_key = "";
1359         my $file_key = "";
1360         my $base = "";
1361         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1362                 $base_key = ";hb=$hash_base";
1363                 print "<div class=\"page_nav\">\n" .
1364                       $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1365                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash_base"}, "shortlog") .
1366                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash_base"}, "log") .
1367                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1368                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1369                       " | tree" .
1370                       "<br/><br/>\n" .
1371                       "</div>\n";
1372                 print "<div>\n" .
1373                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1374                       "</div>\n";
1375         } else {
1376                 print "<div class=\"page_nav\">\n";
1377                 print "<br/><br/></div>\n";
1378                 print "<div class=\"title\">$hash</div>\n";
1379         }
1380         if (defined $file_name) {
1381                 $base = "$file_name/";
1382                 print "<div class=\"page_path\"><b>/$file_name</b></div>\n";
1383         } else {
1384                 print "<div class=\"page_path\"><b>/</b></div>\n";
1385         }
1386         print "<div class=\"page_body\">\n";
1387         print "<table cellspacing=\"0\">\n";
1388         my $alternate = 0;
1389         foreach my $line (@entries) {
1390                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1391                 $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1392                 my $t_mode = $1;
1393                 my $t_type = $2;
1394                 my $t_hash = $3;
1395                 my $t_name = $4;
1396                 $file_key = ";f=$base$t_name";
1397                 if ($alternate) {
1398                         print "<tr class=\"dark\">\n";
1399                 } else {
1400                         print "<tr class=\"light\">\n";
1401                 }
1402                 $alternate ^= 1;
1403                 print "<td style=\"font-family:monospace\">" . mode_str($t_mode) . "</td>\n";
1404                 if ($t_type eq "blob") {
1405                         print "<td class=\"list\">" .
1406                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key, -class => "list"}, $t_name) .
1407                               "</td>\n" .
1408                               "<td class=\"link\">" .
1409                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key}, "blob") .
1410                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base" . $file_key}, "history") .
1411                               "</td>\n";
1412                 } elsif ($t_type eq "tree") {
1413                         print "<td class=\"list\">" .
1414                               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key}, $t_name) .
1415                               "</td>\n" .
1416                               "<td class=\"link\">" .
1417                               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key}, "tree") .
1418                               "</td>\n";
1419                 }
1420                 print "</tr>\n";
1421         }
1422         print "</table>\n" .
1423               "</div>";
1424         git_footer_html();
1425 }
1426
1427 sub git_rss {
1428         # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
1429         open my $fd, "-|", "$gitbin/git-rev-list --max-count=150 " . git_read_hash("$project/HEAD") or die_error(undef, "Open failed.");
1430         my (@revlist) = map { chomp; $_ } <$fd>;
1431         close $fd or die_error(undef, "Reading rev-list failed.");
1432         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1433         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1434               "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
1435         print "<channel>\n";
1436         print "<title>$project</title>\n".
1437               "<link>" . escapeHTML("$my_url?p=$project;a=summary") . "</link>\n".
1438               "<description>$project log</description>\n".
1439               "<language>en</language>\n";
1440
1441         for (my $i = 0; $i <= $#revlist; $i++) {
1442                 my $commit = $revlist[$i];
1443                 my %co = git_read_commit($commit);
1444                 # we read 150, we always show 30 and the ones more recent than 48 hours
1445                 if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
1446                         last;
1447                 }
1448                 my %cd = date_str($co{'committer_epoch'});
1449                 open $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $co{'id'}" or next;
1450                 my @difftree = map { chomp; $_ } <$fd>;
1451                 close $fd or next;
1452                 print "<item>\n" .
1453                       "<title>" .
1454                       sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . escapeHTML($co{'title'}) .
1455                       "</title>\n" .
1456                       "<author>" . escapeHTML($co{'author'}) . "</author>\n" .
1457                       "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
1458                       "<guid isPermaLink=\"true\">" . escapeHTML("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
1459                       "<link>" . escapeHTML("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
1460                       "<description>" . escapeHTML($co{'title'}) . "</description>\n" .
1461                       "<content:encoded>" .
1462                       "<![CDATA[\n";
1463                 my $comment = $co{'comment'};
1464                 foreach my $line (@$comment) {
1465                         print "$line<br/>\n";
1466                 }
1467                 print "<br/>\n";
1468                 foreach my $line (@difftree) {
1469                         if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1470                                 next;
1471                         }
1472                         my $file = $7;
1473                         print "$file<br/>\n";
1474                 }
1475                 print "]]>\n" .
1476                       "</content:encoded>\n" .
1477                       "</item>\n";
1478         }
1479         print "</channel></rss>";
1480 }
1481
1482 sub git_opml {
1483         my @list = git_read_projects();
1484
1485         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1486         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1487               "<opml version=\"1.0\">\n".
1488               "<head>".
1489               "  <title>Git OPML Export</title>\n".
1490               "</head>\n".
1491               "<body>\n".
1492               "<outline text=\"git RSS feeds\">\n";
1493
1494         foreach my $pr (@list) {
1495                 my %proj = %$pr;
1496                 my $head = git_read_hash("$proj{'path'}/HEAD");
1497                 if (!defined $head) {
1498                         next;
1499                 }
1500                 $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
1501                 my %co = git_read_commit($head);
1502                 if (!%co) {
1503                         next;
1504                 }
1505
1506                 my $path = escapeHTML(chop_str($proj{'path'}, 25, 5));
1507                 my $rss =  "$my_url?p=$proj{'path'};a=rss";
1508                 my $html =  "$my_url?p=$proj{'path'};a=summary";
1509                 print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
1510         }
1511         print "</outline>\n".
1512               "</body>\n".
1513               "</opml>\n";
1514 }
1515
1516 sub git_log {
1517         my $head = git_read_hash("$project/HEAD");
1518         if (!defined $hash) {
1519                 $hash = $head;
1520         }
1521         if (!defined $page) {
1522                 $page = 0;
1523         }
1524         git_header_html();
1525         print "<div class=\"page_nav\">\n";
1526         print $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1527               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash"}, "shortlog") .
1528               " | log" .
1529               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1530               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
1531               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash;hb=$hash"}, "tree") . "<br/>\n";
1532
1533         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1534         open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
1535         my (@revlist) = map { chomp; $_ } <$fd>;
1536         close $fd;
1537
1538         if ($hash ne $head || $page) {
1539                 print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "HEAD");
1540         } else {
1541                 print "HEAD";
1542         }
1543         if ($page > 0) {
1544                 print " &sdot; " .
1545                 $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash;pg=" . ($page-1), -accesskey => "p", -title => "Alt-p"}, "prev");
1546         } else {
1547                 print " &sdot; prev";
1548         }
1549         if ($#revlist >= (100 * ($page+1)-1)) {
1550                 print " &sdot; " .
1551                 $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash;pg=" . ($page+1), -accesskey => "n", -title => "Alt-n"}, "next");
1552         } else {
1553                 print " &sdot; next";
1554         }
1555         print "<br/>\n" .
1556               "</div>\n";
1557         if (!@revlist) {
1558                 print "<div>\n" .
1559                       $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
1560                       "</div>\n";
1561                 my %co = git_read_commit($hash);
1562                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1563         }
1564         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1565                 my $commit = $revlist[$i];
1566                 my %co = git_read_commit($commit);
1567                 next if !%co;
1568                 my %ad = date_str($co{'author_epoch'});
1569                 print "<div>\n" .
1570                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "title"},
1571                       "<span class=\"age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
1572                       "</div>\n";
1573                 print "<div class=\"title_text\">\n" .
1574                       "<div class=\"log_link\">\n" .
1575                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1576                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
1577                       "<br/>\n" .
1578                       "</div>\n" .
1579                       "<i>" . escapeHTML($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1580                       "</div>\n" .
1581                       "<div class=\"log_body\">\n";
1582                 my $comment = $co{'comment'};
1583                 my $empty = 0;
1584                 foreach my $line (@$comment) {
1585                         if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1586                                 next;
1587                         }
1588                         if ($line eq "") {
1589                                 if ($empty) {
1590                                         next;
1591                                 }
1592                                 $empty = 1;
1593                         } else {
1594                                 $empty = 0;
1595                         }
1596                         print format_log_line_html($line) . "<br/>\n";
1597                 }
1598                 if (!$empty) {
1599                         print "<br/>\n";
1600                 }
1601                 print "</div>\n";
1602         }
1603         git_footer_html();
1604 }
1605
1606 sub git_commit {
1607         my %co = git_read_commit($hash);
1608         if (!%co) {
1609                 die_error(undef, "Unknown commit object.");
1610         }
1611         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1612         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1613
1614         my @difftree;
1615         my $root = "";
1616         my $parent = $co{'parent'};
1617         if (!defined $parent) {
1618                 $root = " --root";
1619                 $parent = "";
1620         }
1621         open my $fd, "-|", "$gitbin/git-diff-tree -r -M $root $parent $hash" or die_error(undef, "Open failed.");
1622         @difftree = map { chomp; $_ } <$fd>;
1623         close $fd or die_error(undef, "Reading diff-tree failed.");
1624
1625         # non-textual hash id's can be cached
1626         my $expires;
1627         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1628                 $expires = "+1d";
1629         }
1630         git_header_html(undef, $expires);
1631         print "<div class=\"page_nav\">\n" .
1632               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1633               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash"}, "shortlog") .
1634               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
1635               " | commit";
1636         if (defined $co{'parent'}) {
1637                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff");
1638         }
1639         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") . "\n" .
1640               "<br/><br/></div>\n";
1641         if (defined $co{'parent'}) {
1642                 print "<div>\n" .
1643                       $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1644                       "</div>\n";
1645         } else {
1646                 print "<div>\n" .
1647                       $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1648                       "</div>\n";
1649         }
1650         print "<div class=\"title_text\">\n" .
1651               "<table cellspacing=\"0\">\n";
1652         print "<tr><td>author</td><td>" . escapeHTML($co{'author'}) . "</td></tr>\n".
1653               "<tr>" .
1654               "<td></td><td> $ad{'rfc2822'}";
1655         if ($ad{'hour_local'} < 6) {
1656                 printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1657         } else {
1658                 printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1659         }
1660         print "</td>" .
1661               "</tr>\n";
1662         print "<tr><td>committer</td><td>" . escapeHTML($co{'committer'}) . "</td></tr>\n";
1663         print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1664         print "<tr><td>commit</td><td style=\"font-family:monospace\">$co{'id'}</td></tr>\n";
1665         print "<tr>" .
1666               "<td>tree</td>" .
1667               "<td style=\"font-family:monospace\">" .
1668               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash", class => "list"}, $co{'tree'}) .
1669               "</td>" .
1670               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
1671               "</td>" .
1672               "</tr>\n";
1673         my $parents  = $co{'parents'};
1674         foreach my $par (@$parents) {
1675                 print "<tr>" .
1676                       "<td>parent</td>" .
1677                       "<td style=\"font-family:monospace\">" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par", class => "list"}, $par) . "</td>" .
1678                       "<td class=\"link\">" .
1679                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, "commit") .
1680                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash;hp=$par"}, "commitdiff") .
1681                       "</td>" .
1682                       "</tr>\n";
1683         }
1684         print "</table>".
1685               "</div>\n";
1686         print "<div class=\"page_body\">\n";
1687         my $comment = $co{'comment'};
1688         my $empty = 0;
1689         my $signed = 0;
1690         foreach my $line (@$comment) {
1691                 # print only one empty line
1692                 if ($line eq "") {
1693                         if ($empty || $signed) {
1694                                 next;
1695                         }
1696                         $empty = 1;
1697                 } else {
1698                         $empty = 0;
1699                 }
1700                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1701                         $signed = 1;
1702                         print "<span style=\"color: #888888\">" . escapeHTML($line) . "</span><br/>\n";
1703                 } else {
1704                         $signed = 0;
1705                         print format_log_line_html($line) . "<br/>\n";
1706                 }
1707         }
1708         print "</div>\n";
1709         print "<div class=\"list_head\">\n";
1710         if ($#difftree > 10) {
1711                 print(($#difftree + 1) . " files changed:\n");
1712         }
1713         print "</div>\n";
1714         print "<table cellspacing=\"0\">\n";
1715         my $alternate = 0;
1716         foreach my $line (@difftree) {
1717                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1718                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1719                 if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1720                         next;
1721                 }
1722                 my $from_mode = $1;
1723                 my $to_mode = $2;
1724                 my $from_id = $3;
1725                 my $to_id = $4;
1726                 my $status = $5;
1727                 my $similarity = $6;
1728                 my $file = $7;
1729                 if ($alternate) {
1730                         print "<tr class=\"dark\">\n";
1731                 } else {
1732                         print "<tr class=\"light\">\n";
1733                 }
1734                 $alternate ^= 1;
1735                 if ($status eq "A") {
1736                         my $mode_chng = "";
1737                         if (S_ISREG(oct $to_mode)) {
1738                                 $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
1739                         }
1740                         print "<td>" .
1741                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file)) . "</td>\n" .
1742                               "<td><span style=\"color: #008000;\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
1743                               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "blob") . "</td>\n";
1744                 } elsif ($status eq "D") {
1745                         print "<td>" .
1746                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file)) . "</td>\n" .
1747                               "<td><span style=\"color: #c00000;\">[deleted " . file_type($from_mode). "]</span></td>\n" .
1748                               "<td class=\"link\">" .
1749                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, "blob") .
1750                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") .
1751                               "</td>\n"
1752                 } elsif ($status eq "M" || $status eq "T") {
1753                         my $mode_chnge = "";
1754                         if ($from_mode != $to_mode) {
1755                                 $mode_chnge = " <span style=\"color: #777777;\">[changed";
1756                                 if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
1757                                         $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
1758                                 }
1759                                 if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
1760                                         if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
1761                                                 $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
1762                                         } elsif (S_ISREG($to_mode)) {
1763                                                 $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
1764                                         }
1765                                 }
1766                                 $mode_chnge .= "]</span>\n";
1767                         }
1768                         print "<td>";
1769                         if ($to_id ne $from_id) {
1770                                 print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file));
1771                         } else {
1772                                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file));
1773                         }
1774                         print "</td>\n" .
1775                               "<td>$mode_chnge</td>\n" .
1776                               "<td class=\"link\">";
1777                         print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "blob");
1778                         if ($to_id ne $from_id) {
1779                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"}, "diff");
1780                         }
1781                         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n";
1782                         print "</td>\n";
1783                 } elsif ($status eq "R") {
1784                         my ($from_file, $to_file) = split "\t", $file;
1785                         my $mode_chng = "";
1786                         if ($from_mode != $to_mode) {
1787                                 $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
1788                         }
1789                         print "<td>" .
1790                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file", -class => "list"}, escapeHTML($to_file)) . "</td>\n" .
1791                               "<td><span style=\"color: #777777;\">[moved from " .
1792                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$from_file", -class => "list"}, escapeHTML($from_file)) .
1793                               " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
1794                               "<td class=\"link\">" .
1795                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"}, "blob");
1796                         if ($to_id ne $from_id) {
1797                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file"}, "diff");
1798                         }
1799                         print "</td>\n";
1800                 }
1801                 print "</tr>\n";
1802         }
1803         print "</table>\n";
1804         git_footer_html();
1805 }
1806
1807 sub git_blobdiff {
1808         mkdir($git_temp, 0700);
1809         git_header_html();
1810         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1811                 print "<div class=\"page_nav\">\n" .
1812                       $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1813                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1814                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1815                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1816                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1817                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree") .
1818                       "<br/>\n";
1819                 print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent"}, "plain") .
1820                       "</div>\n";
1821                 print "<div>\n" .
1822                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1823                       "</div>\n";
1824         } else {
1825                 print "<div class=\"page_nav\">\n" .
1826                       "<br/><br/></div>\n" .
1827                       "<div class=\"title\">$hash vs $hash_parent</div>\n";
1828         }
1829         if (defined $file_name) {
1830                 print "<div class=\"page_path\"><b>/$file_name</b></div>\n";
1831         }
1832         print "<div class=\"page_body\">\n" .
1833               "<div class=\"diff_info\">blob:" .
1834               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name"}, $hash_parent) .
1835               " -> blob:" .
1836               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name"}, $hash) .
1837               "</div>\n";
1838         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
1839         print "</div>";
1840         git_footer_html();
1841 }
1842
1843 sub git_blobdiff_plain {
1844         mkdir($git_temp, 0700);
1845         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
1846         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
1847 }
1848
1849 sub git_commitdiff {
1850         mkdir($git_temp, 0700);
1851         my %co = git_read_commit($hash);
1852         if (!%co) {
1853                 die_error(undef, "Unknown commit object.");
1854         }
1855         if (!defined $hash_parent) {
1856                 $hash_parent = $co{'parent'};
1857         }
1858         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
1859         my (@difftree) = map { chomp; $_ } <$fd>;
1860         close $fd or die_error(undef, "Reading diff-tree failed.");
1861
1862         # non-textual hash id's can be cached
1863         my $expires;
1864         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1865                 $expires = "+1d";
1866         }
1867         git_header_html(undef, $expires);
1868         print "<div class=\"page_nav\">\n" .
1869               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1870               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash"}, "shortlog") .
1871               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
1872               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1873               " | commitdiff" .
1874               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") . "<br/>\n";
1875         print $cgi->a({-href => "$my_uri?p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent"}, "plain") . "\n" .
1876               "</div>\n";
1877         print "<div>\n" .
1878               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1879               "</div>\n";
1880         print "<div class=\"page_body\">\n";
1881         my $comment = $co{'comment'};
1882         my $empty = 0;
1883         my $signed = 0;
1884         my @log = @$comment;
1885         # remove first and empty lines after that
1886         shift @log;
1887         while (defined $log[0] && $log[0] eq "") {
1888                 shift @log;
1889         }
1890         foreach my $line (@log) {
1891                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1892                         next;
1893                 }
1894                 if ($line eq "") {
1895                         if ($empty) {
1896                                 next;
1897                         }
1898                         $empty = 1;
1899                 } else {
1900                         $empty = 0;
1901                 }
1902                 print format_log_line_html($line) . "<br/>\n";
1903         }
1904         print "<br/>\n";
1905         foreach my $line (@difftree) {
1906                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1907                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1908                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
1909                 my $from_mode = $1;
1910                 my $to_mode = $2;
1911                 my $from_id = $3;
1912                 my $to_id = $4;
1913                 my $status = $5;
1914                 my $file = $6;
1915                 if ($status eq "A") {
1916                         print "<div class=\"diff_info\">" .  file_type($to_mode) . ":" .
1917                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id) . "(new)" .
1918                               "</div>\n";
1919                         git_diff_print(undef, "/dev/null", $to_id, "b/$file");
1920                 } elsif ($status eq "D") {
1921                         print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
1922                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) . "(deleted)" .
1923                               "</div>\n";
1924                         git_diff_print($from_id, "a/$file", undef, "/dev/null");
1925                 } elsif ($status eq "M") {
1926                         if ($from_id ne $to_id) {
1927                                 print "<div class=\"diff_info\">" .
1928                                       file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) .
1929                                       " -> " .
1930                                       file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id);
1931                                 print "</div>\n";
1932                                 git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
1933                         }
1934                 }
1935         }
1936         print "<br/>\n" .
1937               "</div>";
1938         git_footer_html();
1939 }
1940
1941 sub git_commitdiff_plain {
1942         mkdir($git_temp, 0700);
1943         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
1944         my (@difftree) = map { chomp; $_ } <$fd>;
1945         close $fd or die_error(undef, "Reading diff-tree failed.");
1946
1947         # try to figure out the next tag after this commit
1948         my $tagname;
1949         my %taghash;
1950         my $tags = git_read_refs("refs/tags");
1951         foreach my $entry (@$tags) {
1952                 my %tag = %$entry;
1953                 $taghash{$tag{'refid'}} = $tag{'name'};
1954         }
1955         open $fd, "-|", "$gitbin/git-rev-list HEAD";
1956         while (my $commit = <$fd>) {
1957                 chomp $commit;
1958                 if ($taghash{$commit}) {
1959                         $tagname = $taghash{$commit};
1960                 }
1961                 if ($commit eq $hash) {
1962                         last;
1963                 }
1964         }
1965         close $fd;
1966
1967         print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"git-$hash.patch\"");
1968         my %co = git_read_commit($hash);
1969         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1970         my $comment = $co{'comment'};
1971         print "From: $co{'author'}\n" .
1972               "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
1973               "Subject: $co{'title'}\n";
1974         if (defined $tagname) {
1975               print "X-Git-Tag: $tagname\n";
1976         }
1977         print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
1978               "\n";
1979
1980         foreach my $line (@$comment) {;
1981                 print "  $line\n";
1982         }
1983         print "---\n\n";
1984
1985         foreach my $line (@difftree) {
1986                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
1987                 my $from_id = $3;
1988                 my $to_id = $4;
1989                 my $status = $5;
1990                 my $file = $6;
1991                 if ($status eq "A") {
1992                         git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
1993                 } elsif ($status eq "D") {
1994                         git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
1995                 } elsif ($status eq "M") {
1996                         git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
1997                 }
1998         }
1999 }
2000
2001 sub git_history {
2002         if (!defined $hash) {
2003                 $hash = git_read_hash("$project/HEAD");
2004         }
2005         my %co = git_read_commit($hash);
2006         if (!%co) {
2007                 die_error(undef, "Unknown commit object.");
2008         }
2009         git_header_html();
2010         print "<div class=\"page_nav\">\n" .
2011               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
2012               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
2013               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
2014               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
2015               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
2016               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
2017               "<br/><br/>\n" .
2018               "</div>\n";
2019         print "<div>\n" .
2020               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
2021               "</div>\n";
2022         print "<div class=\"page_path\"><b>/$file_name</b><br/></div>\n";
2023
2024         open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin $file_name";
2025         my $commit;
2026         print "<table cellspacing=\"0\">\n";
2027         my $alternate = 0;
2028         while (my $line = <$fd>) {
2029                 if ($line =~ m/^([0-9a-fA-F]{40})/){
2030                         $commit = $1;
2031                         next;
2032                 }
2033                 if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/ && (defined $commit)) {
2034                         my %co = git_read_commit($commit);
2035                         if (!%co) {
2036                                 next;
2037                         }
2038                         if ($alternate) {
2039                                 print "<tr class=\"dark\">\n";
2040                         } else {
2041                                 print "<tr class=\"light\">\n";
2042                         }
2043                         $alternate ^= 1;
2044                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2045                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2046                               "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"}, "<b>" .
2047                               escapeHTML(chop_str($co{'title'}, 50)) . "</b>") . "</td>\n" .
2048                               "<td class=\"link\">" .
2049                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
2050                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
2051                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=blob;hb=$commit;f=$file_name"}, "blob");
2052                         my $blob = git_get_hash_by_path($hash, $file_name);
2053                         my $blob_parent = git_get_hash_by_path($commit, $file_name);
2054                         if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
2055                                 print " | " .
2056                                 $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name"},
2057                                 "diff to current");
2058                         }
2059                         print "</td>\n" .
2060                               "</tr>\n";
2061                         undef $commit;
2062                 }
2063         }
2064         print "</table>\n";
2065         close $fd;
2066         git_footer_html();
2067 }
2068
2069 sub git_search {
2070         if (!defined $searchtext) {
2071                 die_error("", "Text field empty.");
2072         }
2073         if (!defined $hash) {
2074                 $hash = git_read_hash("$project/HEAD");
2075         }
2076         my %co = git_read_commit($hash);
2077         if (!%co) {
2078                 die_error(undef, "Unknown commit object.");
2079         }
2080         # pickaxe may take all resources of your box and run for several minutes
2081         # with every query - so decide by yourself how public you make this feature :)
2082         my $commit_search = 1;
2083         my $author_search = 0;
2084         my $committer_search = 0;
2085         my $pickaxe_search = 0;
2086         if ($searchtext =~ s/^author\\://i) {
2087                 $author_search = 1;
2088         } elsif ($searchtext =~ s/^committer\\://i) {
2089                 $committer_search = 1;
2090         } elsif ($searchtext =~ s/^pickaxe\\://i) {
2091                 $commit_search = 0;
2092                 $pickaxe_search = 1;
2093         }
2094         git_header_html();
2095         print "<div class=\"page_nav\">\n" .
2096               $cgi->a({-href => "$my_uri?p=$project;a=summary;h=$hash"}, "summary") .
2097               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
2098               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
2099               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
2100               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
2101               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
2102               "<br/><br/>\n" .
2103               "</div>\n";
2104
2105         print "<div>\n" .
2106               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
2107               "</div>\n";
2108         print "<table cellspacing=\"0\">\n";
2109         my $alternate = 0;
2110         if ($commit_search) {
2111                 $/ = "\0";
2112                 open my $fd, "-|", "$gitbin/git-rev-list --header --parents $hash" or next;
2113                 while (my $commit_text = <$fd>) {
2114                         if (!grep m/$searchtext/i, $commit_text) {
2115                                 next;
2116                         }
2117                         if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2118                                 next;
2119                         }
2120                         if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2121                                 next;
2122                         }
2123                         my @commit_lines = split "\n", $commit_text;
2124                         my %co = git_read_commit(undef, \@commit_lines);
2125                         if (!%co) {
2126                                 next;
2127                         }
2128                         if ($alternate) {
2129                                 print "<tr class=\"dark\">\n";
2130                         } else {
2131                                 print "<tr class=\"light\">\n";
2132                         }
2133                         $alternate ^= 1;
2134                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2135                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2136                               "<td>" .
2137                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$co{'id'}", -class => "list"}, "<b>" . escapeHTML(chop_str($co{'title'}, 50)) . "</b><br/>");
2138                         my $comment = $co{'comment'};
2139                         foreach my $line (@$comment) {
2140                                 if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2141                                         my $lead = escapeHTML($1) || "";
2142                                         $lead = chop_str($lead, 30, 10);
2143                                         my $match = escapeHTML($2) || "";
2144                                         my $trail = escapeHTML($3) || "";
2145                                         $trail = chop_str($trail, 30, 10);
2146                                         my $text = "$lead<span style=\"color:#e00000\">$match</span>$trail";
2147                                         print chop_str($text, 80, 5) . "<br/>\n";
2148                                 }
2149                         }
2150                         print "</td>\n" .
2151                               "<td class=\"link\">" .
2152                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$co{'id'}"}, "commit") .
2153                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}"}, "tree");
2154                         print "</td>\n" .
2155                               "</tr>\n";
2156                 }
2157                 close $fd;
2158         }
2159
2160         if ($pickaxe_search) {
2161                 $/ = "\n";
2162                 open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -S$searchtext";
2163                 undef %co;
2164                 my @files;
2165                 while (my $line = <$fd>) {
2166                         if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2167                                 my %set;
2168                                 $set{'file'} = $6;
2169                                 $set{'from_id'} = $3;
2170                                 $set{'to_id'} = $4;
2171                                 $set{'id'} = $set{'to_id'};
2172                                 if ($set{'id'} =~ m/0{40}/) {
2173                                         $set{'id'} = $set{'from_id'};
2174                                 }
2175                                 if ($set{'id'} =~ m/0{40}/) {
2176                                         next;
2177                                 }
2178                                 push @files, \%set;
2179                         } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2180                                 if (%co) {
2181                                         if ($alternate) {
2182                                                 print "<tr class=\"dark\">\n";
2183                                         } else {
2184                                                 print "<tr class=\"light\">\n";
2185                                         }
2186                                         $alternate ^= 1;
2187                                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2188                                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2189                                               "<td>" .
2190                                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$co{'id'}", -class => "list"}, "<b>" .
2191                                               escapeHTML(chop_str($co{'title'}, 50)) . "</b><br/>");
2192                                         while (my $setref = shift @files) {
2193                                                 my %set = %$setref;
2194                                                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}", class => "list"},
2195                                                       "<span style=\"color:#e00000\">" . escapeHTML($set{'file'}) . "</span>") .
2196                                                       "<br/>\n";
2197                                         }
2198                                         print "</td>\n" .
2199                                               "<td class=\"link\">" .
2200                                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$co{'id'}"}, "commit") .
2201                                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}"}, "tree");
2202                                         print "</td>\n" .
2203                                               "</tr>\n";
2204                                 }
2205                                 %co = git_read_commit($1);
2206                         }
2207                 }
2208                 close $fd;
2209         }
2210         print "</table>\n";
2211         git_footer_html();
2212 }
2213
2214 sub git_shortlog {
2215         my $head = git_read_hash("$project/HEAD");
2216         if (!defined $hash) {
2217                 $hash = $head;
2218         }
2219         if (!defined $page) {
2220                 $page = 0;
2221         }
2222         git_header_html();
2223         print "<div class=\"page_nav\">\n" .
2224               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
2225               " | shortlog" .
2226               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
2227               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
2228               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
2229               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash;hb=$hash"}, "tree") . "<br/>\n";
2230
2231         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2232         open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
2233         my (@revlist) = map { chomp; $_ } <$fd>;
2234         close $fd;
2235
2236         if ($hash ne $head || $page) {
2237                 print $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "HEAD");
2238         } else {
2239                 print "HEAD";
2240         }
2241         if ($page > 0) {
2242                 print " &sdot; " .
2243                 $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page-1), -accesskey => "p", -title => "Alt-p"}, "prev");
2244         } else {
2245                 print " &sdot; prev";
2246         }
2247         if ($#revlist >= (100 * ($page+1)-1)) {
2248                 print " &sdot; " .
2249                 $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page+1), -accesskey => "n", -title => "Alt-n"}, "next");
2250         } else {
2251                 print " &sdot; next";
2252         }
2253         print "<br/>\n" .
2254               "</div>\n";
2255         print "<div>\n" .
2256               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
2257               "</div>\n";
2258         print "<table cellspacing=\"0\">\n";
2259         my $alternate = 0;
2260         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2261                 my $commit = $revlist[$i];
2262                 my %co = git_read_commit($commit);
2263                 my %ad = date_str($co{'author_epoch'});
2264                 if ($alternate) {
2265                         print "<tr class=\"dark\">\n";
2266                 } else {
2267                         print "<tr class=\"light\">\n";
2268                 }
2269                 $alternate ^= 1;
2270                 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2271                       "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2272                       "<td>";
2273                 if (length($co{'title_short'}) < length($co{'title'})) {
2274                         print $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list", -title => "$co{'title'}"},
2275                               "<b>" . escapeHTML($co{'title_short'}) . "</b>");
2276                 } else {
2277                         print $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"},
2278                               "<b>" . escapeHTML($co{'title_short'}) . "</b>");
2279                 }
2280                 print "</td>\n" .
2281                       "<td class=\"link\">" .
2282                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
2283                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
2284                       "</td>\n" .
2285                       "</tr>";
2286         }
2287         if ($#revlist >= (100 * ($page+1)-1)) {
2288                 print "<tr>\n" .
2289                       "<td>" .
2290                       $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page+1), -title => "Alt-n"}, "next") .
2291                       "</td>\n" .
2292                       "</tr>\n";
2293         }
2294         print "</table\n>";
2295         git_footer_html();
2296 }