gitweb.cgi

   1 #!/usr/bin/perl
   2
   3 # gitweb - simple web interface to track changes in git repositories
   4 #
   5 # (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
   6 # (C) 2005, Christian Gierke <ch@gierke.de>
   7 #
   8 # This program is licensed under the GPL v2, or a later version
   9
  10 use strict;
  11 use warnings;
  12 use CGI qw(:standard :escapeHTML -nosticky);
  13 use CGI::Util qw(unescape);
  14 use CGI::Carp qw(fatalsToBrowser);
  15 use Fcntl ':mode';
  16
  17 my $cgi = new CGI;
  18 my $version =           "243";
  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 "branches") {
 156         git_branches();
 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
 212         my $title = "git";
 213         if (defined $project) {
 214                 $title .= " - $project";
 215                 if (defined $action) {
 216                         $title .= "/$action";
 217                 }
 218         }
 219         print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status);
 220         print <<EOF;
 221 <?xml version="1.0" encoding="utf-8"?>
 222 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 223 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 224 <!-- git web interface v$version, (C) 2005, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke <ch\@gierke.de> -->
 225 <head>
 226 <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
 227 <meta name="robots" content="index, nofollow"/>
 228 <title>$title</title>
 229 $rss_link
 230 <style type="text/css">
 231 body { font-family: sans-serif; font-size: 12px; margin:0px; border:solid #d9d8d1; border-width:1px; margin:10px; }
 232 a { color:#0000cc; }
 233 a:hover, a:visited, a:active { color:#880000; }
 234 div.page_header { height:25px; padding:8px; font-size:18px; font-weight:bold; background-color:#d9d8d1; }
 235 div.page_header a:visited, a.header { color:#0000cc; }
 236 div.page_header a:hover { color:#880000; }
 237 div.page_nav { padding:8px; }
 238 div.page_nav a:visited { color:#0000cc; }
 239 div.page_path { padding:8px; border:solid #d9d8d1; border-width:0px 0px 1px}
 240 div.page_footer { height:17px; padding:4px 8px; background-color: #d9d8d1; }
 241 div.page_footer_text { float:left; color:#555555; font-style:italic; }
 242 div.page_body { padding:8px; }
 243 div.title, a.title {
 244         display:block; padding:6px 8px;
 245         font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
 246 }
 247 a.title:hover { background-color: #d9d8d1; }
 248 div.title_text { padding:6px 0px; border: solid #d9d8d1; border-width:0px 0px 1px; }
 249 div.log_body { padding:8px 8px 8px 150px; }
 250 span.age { position:relative; float:left; width:142px; font-style:italic; }
 251 div.log_link {
 252         padding:0px 8px;
 253         font-size:10px; font-family:sans-serif; font-style:normal;
 254         position:relative; float:left; width:136px;
 255 }
 256 div.list_head { padding:6px 8px 4px; border:solid #d9d8d1; border-width:1px 0px 0px; font-style:italic; }
 257 a.list { text-decoration:none; color:#000000; }
 258 a.list:hover { text-decoration:underline; color:#880000; }
 259 a.text { text-decoration:none; color:#0000cc; }
 260 a.text:visited { text-decoration:none; color:#880000; }
 261 a.text:hover { text-decoration:underline; color:#880000; }
 262 table { padding:8px 4px; }
 263 th { padding:2px 5px; font-size:12px; text-align:left; }
 264 tr.light:hover { background-color:#edece6; }
 265 tr.dark { background-color:#f6f6f0; }
 266 tr.dark:hover { background-color:#edece6; }
 267 td { padding:2px 5px; font-size:12px; vertical-align:top; }
 268 td.link { padding:2px 5px; font-family:sans-serif; font-size:10px; }
 269 div.pre { font-family:monospace; font-size:12px; white-space:pre; }
 270 div.diff_info { font-family:monospace; color:#000099; background-color:#edece6; font-style:italic; }
 271 div.index_include { border:solid #d9d8d1; border-width:0px 0px 1px; padding:12px 8px; }
 272 div.search { margin:4px 8px; position:absolute; top:56px; right:12px }
 273 a.linenr { color:#999999; text-decoration:none }
 274 a.rss_logo {
 275         float:right; padding:3px 0px; width:35px; line-height:10px;
 276         border:1px solid; border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e;
 277         color:#ffffff; background-color:#ff6600;
 278         font-weight:bold; font-family:sans-serif; font-size:10px;
 279         text-align:center; text-decoration:none;
 280 }
 281 a.rss_logo:hover { background-color:#ee5500; }
 282 </style>
 283 </head>
 284 <body>
 285 EOF
 286         print "<div class=\"page_header\">\n" .
 287               "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 288               "<img src=\"$my_uri?a=git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 289               "</a>\n";
 290         print $cgi->a({-href => $home_link}, "projects") . " / ";
 291         if (defined $project) {
 292                 print $cgi->a({-href => "$my_uri?p=$project;a=summary"}, escapeHTML($project));
 293                 if (defined $action) {
 294                         print " / $action";
 295                 }
 296                 print "\n";
 297                 if (!defined $searchtext) {
 298                         $searchtext = "";
 299                 }
 300                 $cgi->param("a", "search");
 301                 print $cgi->startform(-method => "get", -action => "$my_uri") .
 302                       "<div class=\"search\">\n" .
 303                       $cgi->hidden(-name => "p") . "\n" .
 304                       $cgi->hidden(-name => "a") . "\n" .
 305                       $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 306                       "</div>" .
 307                       $cgi->end_form() . "\n";
 308         }
 309         print "</div>\n";
 310 }
 311
 312 sub git_footer_html {
 313         print "<div class=\"page_footer\">\n";
 314         if (defined $project) {
 315                 my $descr = git_read_description($project);
 316                 if (defined $descr) {
 317                         print "<div class=\"page_footer_text\">" . escapeHTML($descr) . "</div>\n";
 318                 }
 319                 print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "rss_logo"}, "RSS") . "\n";
 320         } else {
 321                 print $cgi->a({-href => "$my_uri?a=opml", -class => "rss_logo"}, "OPML") . "\n";
 322         }
 323         print "</div>\n" .
 324               "</body>\n" .
 325               "</html>";
 326 }
 327
 328 sub die_error {
 329         my $status = shift || "403 Forbidden";
 330         my $error = shift || "Malformed query, file missing or permission denied";
 331
 332         git_header_html($status);
 333         print "<div class=\"page_body\">\n" .
 334               "<br/><br/>\n" .
 335               "$status - $error\n" .
 336               "<br/>\n" .
 337               "</div>\n";
 338         git_footer_html();
 339         exit;
 340 }
 341
 342 sub git_get_type {
 343         my $hash = shift;
 344
 345         open my $fd, "-|", "$gitbin/git-cat-file -t $hash" or return;
 346         my $type = <$fd>;
 347         close $fd or return;
 348         chomp $type;
 349         return $type;
 350 }
 351
 352 sub git_read_hash {
 353         my $path = shift;
 354
 355         open my $fd, "$projectroot/$path" or return undef;
 356         my $head = <$fd>;
 357         close $fd;
 358         chomp $head;
 359         if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 360                 return $head;
 361         }
 362 }
 363
 364 sub git_read_description {
 365         my $path = shift;
 366
 367         open my $fd, "$projectroot/$path/description" or return undef;
 368         my $descr = <$fd>;
 369         close $fd;
 370         chomp $descr;
 371         return $descr;
 372 }
 373
 374 sub git_read_tag {
 375         my $tag_id = shift;
 376         my %tag;
 377         my @comment;
 378
 379         open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" or return;
 380         $tag{'id'} = $tag_id;
 381         while (my $line = <$fd>) {
 382                 chomp $line;
 383                 if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 384                         $tag{'object'} = $1;
 385                 } elsif ($line =~ m/^type (.+)$/) {
 386                         $tag{'type'} = $1;
 387                 } elsif ($line =~ m/^tag (.+)$/) {
 388                         $tag{'name'} = $1;
 389                 } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 390                         $tag{'author'} = $1;
 391                         $tag{'epoch'} = $2;
 392                         $tag{'tz'} = $3;
 393                 } elsif ($line =~ m/--BEGIN/) {
 394                         push @comment, $line;
 395                         last;
 396                 } elsif ($line eq "") {
 397                         last;
 398                 }
 399         }
 400         push @comment, <$fd>;
 401         $tag{'comment'} = \@comment;
 402         close $fd or return;
 403         if (!defined $tag{'name'}) {
 404                 return
 405         };
 406         return %tag
 407 }
 408
 409 sub age_string {
 410         my $age = shift;
 411         my $age_str;
 412
 413         if ($age > 60*60*24*365*2) {
 414                 $age_str = (int $age/60/60/24/365);
 415                 $age_str .= " years ago";
 416         } elsif ($age > 60*60*24*(365/12)*2) {
 417                 $age_str = int $age/60/60/24/(365/12);
 418                 $age_str .= " months ago";
 419         } elsif ($age > 60*60*24*7*2) {
 420                 $age_str = int $age/60/60/24/7;
 421                 $age_str .= " weeks ago";
 422         } elsif ($age > 60*60*24*2) {
 423                 $age_str = int $age/60/60/24;
 424                 $age_str .= " days ago";
 425         } elsif ($age > 60*60*2) {
 426                 $age_str = int $age/60/60;
 427                 $age_str .= " hours ago";
 428         } elsif ($age > 60*2) {
 429                 $age_str = int $age/60;
 430                 $age_str .= " min ago";
 431         } elsif ($age > 2) {
 432                 $age_str = int $age;
 433                 $age_str .= " sec ago";
 434         } else {
 435                 $age_str .= " right now";
 436         }
 437         return $age_str;
 438 }
 439
 440 sub git_read_commit {
 441         my $commit_id = shift;
 442         my $commit_text = shift;
 443
 444         my @commit_lines;
 445         my %co;
 446         my @parents;
 447
 448         if (defined $commit_text) {
 449                 @commit_lines = @$commit_text;
 450         } else {
 451                 open my $fd, "-|", "$gitbin/git-cat-file commit $commit_id" or return;
 452                 @commit_lines = map { chomp; $_ } <$fd>;
 453                 close $fd or return;
 454         }
 455         while (my $line = shift @commit_lines) {
 456                 last if $line eq "\n";
 457                 if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 458                         $co{'tree'} = $1;
 459                 } elsif ($line =~ m/^parent ([0-9a-fA-F]{40})$/) {
 460                         push @parents, $1;
 461                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 462                         $co{'author'} = $1;
 463                         $co{'author_epoch'} = $2;
 464                         $co{'author_tz'} = $3;
 465                         if ($co{'author'} =~ m/^([^<]+) </) {
 466                                 $co{'author_name'} = $1;
 467                         } else {
 468                                 $co{'author_name'} = $co{'author'};
 469                         }
 470                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 471                         $co{'committer'} = $1;
 472                         $co{'committer_epoch'} = $2;
 473                         $co{'committer_tz'} = $3;
 474                         $co{'committer_name'} = $co{'committer'};
 475                         $co{'committer_name'} =~ s/ <.*//;
 476                 }
 477         }
 478         if (!defined $co{'tree'}) {
 479                 return undef
 480         };
 481         if (!($commit_id =~ m/^[0-9a-fA-F]{40}$/)) {
 482                 # lookup hash by textual id
 483                 open my $fd, "-|", "$gitbin/git-rev-parse --verify $commit_id" or return;
 484                 my $hash_id = <$fd>;
 485                 close $fd or return;
 486                 chomp $hash_id;
 487                 $co{'id'} = $hash_id
 488         } else {
 489                 $co{'id'} = $commit_id;
 490         }
 491         $co{'parents'} = \@parents;
 492         $co{'parent'} = $parents[0];
 493         $co{'comment'} = \@commit_lines;
 494         foreach my $title (@commit_lines) {
 495                 if ($title ne "") {
 496                         $co{'title'} = chop_str($title, 80, 5);
 497                         # remove leading stuff of merges to make the interesting part visible
 498                         if (length($title) > 50) {
 499                                 $title =~ s/^Automatic //;
 500                                 $title =~ s/^merge (of|with) /Merge ... /i;
 501                                 if (length($title) > 50) {
 502                                         $title =~ s/(http|rsync):\/\///;
 503                                 }
 504                                 if (length($title) > 50) {
 505                                         $title =~ s/(master|www|rsync)\.//;
 506                                 }
 507                                 if (length($title) > 50) {
 508                                         $title =~ s/kernel.org:?//;
 509                                 }
 510                                 if (length($title) > 50) {
 511                                         $title =~ s/\/pub\/scm//;
 512                                 }
 513                         }
 514                         $co{'title_short'} = chop_str($title, 50, 5);
 515                         last;
 516                 }
 517         }
 518
 519         my $age = time - $co{'committer_epoch'};
 520         $co{'age'} = $age;
 521         $co{'age_string'} = age_string($age);
 522         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 523         if ($age > 60*60*24*7*2) {
 524                 $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 525                 $co{'age_string_age'} = $co{'age_string'};
 526         } else {
 527                 $co{'age_string_date'} = $co{'age_string'};
 528                 $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 529         }
 530         return %co;
 531 }
 532
 533 sub git_diff_print {
 534         my $from = shift;
 535         my $from_name = shift;
 536         my $to = shift;
 537         my $to_name = shift;
 538         my $format = shift || "html";
 539
 540         my $from_tmp = "/dev/null";
 541         my $to_tmp = "/dev/null";
 542         my $pid = $$;
 543
 544         # create tmp from-file
 545         if (defined $from) {
 546                 $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
 547                 open my $fd2, "> $from_tmp";
 548                 open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 549                 my @file = <$fd>;
 550                 print $fd2 @file;
 551                 close $fd2;
 552                 close $fd;
 553         }
 554
 555         # create tmp to-file
 556         if (defined $to) {
 557                 $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
 558                 open my $fd2, "> $to_tmp";
 559                 open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 560                 my @file = <$fd>;
 561                 print $fd2 @file;
 562                 close $fd2;
 563                 close $fd;
 564         }
 565
 566         open my $fd, "-|", "/usr/bin/diff -u -p -L $from_name -L $to_name $from_tmp $to_tmp";
 567         if ($format eq "plain") {
 568                 undef $/;
 569                 print <$fd>;
 570                 $/ = "\n";
 571         } else {
 572                 while (my $line = <$fd>) {
 573                         chomp($line);
 574                         my $char = substr($line, 0, 1);
 575                         my $color = "";
 576                         if ($char eq '+') {
 577                                 $color = " style=\"color:#008800;\"";
 578                         } elsif ($char eq "-") {
 579                                 $color = " style=\"color:#cc0000;\"";
 580                         } elsif ($char eq "@") {
 581                                 $color = " style=\"color:#990099;\"";
 582                         } elsif ($char eq "\\") {
 583                                 # skip errors
 584                                 next;
 585                         }
 586                         while ((my $pos = index($line, "\t")) != -1) {
 587                                 if (my $count = (8 - (($pos-1) % 8))) {
 588                                         my $spaces = ' ' x $count;
 589                                         $line =~ s/\t/$spaces/;
 590                                 }
 591                         }
 592                         print "<div class=\"pre\"$color>" . escapeHTML($line) . "</div>\n";
 593                 }
 594         }
 595         close $fd;
 596
 597         if (defined $from) {
 598                 unlink($from_tmp);
 599         }
 600         if (defined $to) {
 601                 unlink($to_tmp);
 602         }
 603 }
 604
 605 sub mode_str {
 606         my $mode = oct shift;
 607
 608         if (S_ISDIR($mode & S_IFMT)) {
 609                 return 'drwxr-xr-x';
 610         } elsif (S_ISLNK($mode)) {
 611                 return 'lrwxrwxrwx';
 612         } elsif (S_ISREG($mode)) {
 613                 # git cares only about the executable bit
 614                 if ($mode & S_IXUSR) {
 615                         return '-rwxr-xr-x';
 616                 } else {
 617                         return '-rw-r--r--';
 618                 };
 619         } else {
 620                 return '----------';
 621         }
 622 }
 623
 624 sub chop_str {
 625         my $str = shift;
 626         my $len = shift;
 627         my $add_len = shift || 10;
 628
 629         # allow only $len chars, but don't cut a word if it would fit in $add_len
 630         # if it doesn't fit, cut it if it's still longer than the dots we would add
 631         $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 632         my $body = $1;
 633         my $tail = $2;
 634         if (length($tail) > 4) {
 635                 $tail = " ...";
 636         }
 637         return "$body$tail";
 638 }
 639
 640 sub file_type {
 641         my $mode = oct shift;
 642
 643         if (S_ISDIR($mode & S_IFMT)) {
 644                 return "directory";
 645         } elsif (S_ISLNK($mode)) {
 646                 return "symlink";
 647         } elsif (S_ISREG($mode)) {
 648                 return "file";
 649         } else {
 650                 return "unknown";
 651         }
 652 }
 653
 654 sub format_log_line_html {
 655         my $line = shift;
 656
 657         $line = escapeHTML($line);
 658         $line =~ s/ /&nbsp;/g;
 659         if ($line =~ m/([0-9a-fA-F]{40})/) {
 660                 my $hash_text = $1;
 661                 if (git_get_type($hash_text) eq "commit") {
 662                         my $link = $cgi->a({-class => "text", -href => "$my_uri?p=$project;a=commit;h=$hash_text"}, $hash_text);
 663                         $line =~ s/$hash_text/$link/;
 664                 }
 665         }
 666         return $line;
 667 }
 668
 669 sub date_str {
 670         my $epoch = shift;
 671         my $tz = shift || "-0000";
 672
 673         my %date;
 674         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 675         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 676         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 677         $date{'hour'} = $hour;
 678         $date{'minute'} = $min;
 679         $date{'mday'} = $mday;
 680         $date{'day'} = $days[$wday];
 681         $date{'month'} = $months[$mon];
 682         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 683         $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 684
 685         $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 686         my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 687         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 688         $date{'hour_local'} = $hour;
 689         $date{'minute_local'} = $min;
 690         $date{'tz_local'} = $tz;
 691         return %date;
 692 }
 693
 694 # git-logo (cached in browser for one day)
 695 sub git_logo {
 696         print $cgi->header(-type => 'image/png', -expires => '+1d');
 697         # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 698         print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 699                 "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 700                 "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 701                 "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 702                 "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 703                 "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 704                 "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 705                 "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 706                 "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 707                 "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 708                 "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 709                 "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 710                 "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 711 }
 712
 713 sub get_file_owner {
 714         my $path = shift;
 715
 716         my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 717         my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 718         if (!defined $gcos) {
 719                 return undef;
 720         }
 721         my $owner = $gcos;
 722         $owner =~ s/[,;].*$//;
 723         return $owner;
 724 }
 725
 726 sub git_read_projects {
 727         my @list;
 728
 729         if (-d $projects_list) {
 730                 # search in directory
 731                 my $dir = $projects_list;
 732                 opendir my $dh, $dir or return undef;
 733                 while (my $dir = readdir($dh)) {
 734                         if (-e "$projectroot/$dir/HEAD") {
 735                                 my $pr = {
 736                                         path => $dir,
 737                                 };
 738                                 push @list, $pr
 739                         }
 740                 }
 741                 closedir($dh);
 742         } elsif (-f $projects_list) {
 743                 # read from file(url-encoded):
 744                 # 'git%2Fgit.git Linus+Torvalds'
 745                 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 746                 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 747                 open my $fd , $projects_list or return undef;
 748                 while (my $line = <$fd>) {
 749                         chomp $line;
 750                         my ($path, $owner) = split ' ', $line;
 751                         $path = unescape($path);
 752                         $owner = unescape($owner);
 753                         if (!defined $path) {
 754                                 next;
 755                         }
 756                         if (-e "$projectroot/$path/HEAD") {
 757                                 my $pr = {
 758                                         path => $path,
 759                                         owner => $owner,
 760                                 };
 761                                 push @list, $pr
 762                         }
 763                 }
 764                 close $fd;
 765         }
 766         @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 767         return @list;
 768 }
 769
 770 sub git_project_list {
 771         my @list = git_read_projects();
 772         my @projects;
 773         if (!@list) {
 774                 die_error(undef, "No project found.");
 775         }
 776         foreach my $pr (@list) {
 777                 my $head = git_read_hash("$pr->{'path'}/HEAD");
 778                 if (!defined $head) {
 779                         next;
 780                 }
 781                 $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
 782                 my %co = git_read_commit($head);
 783                 if (!%co) {
 784                         next;
 785                 }
 786                 $pr->{'commit'} = \%co;
 787                 if (!defined $pr->{'descr'}) {
 788                         my $descr = git_read_description($pr->{'path'}) || "";
 789                         $pr->{'descr'} = chop_str($descr, 25, 5);
 790                 }
 791                 if (!defined $pr->{'owner'}) {
 792                         $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
 793                 }
 794                 push @projects, $pr;
 795         }
 796         git_header_html();
 797         if (-f $home_text) {
 798                 print "<div class=\"index_include\">\n";
 799                 open (my $fd, $home_text);
 800                 print <$fd>;
 801                 close $fd;
 802                 print "</div>\n";
 803         }
 804         print "<table cellspacing=\"0\">\n" .
 805               "<tr>\n";
 806         if (!defined($order) || (defined($order) && ($order eq "project"))) {
 807                 @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
 808                 print "<th>Project</th>\n";
 809         } else {
 810                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?o=project"}, "Project") . "</th>\n";
 811         }
 812         if (defined($order) && ($order eq "descr")) {
 813                 @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
 814                 print "<th>Description</th>\n";
 815         } else {
 816                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?o=descr"}, "Description") . "</th>\n";
 817         }
 818         if (defined($order) && ($order eq "owner")) {
 819                 @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
 820                 print "<th>Owner</th>\n";
 821         } else {
 822                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?o=owner"}, "Owner") . "</th>\n";
 823         }
 824         if (defined($order) && ($order eq "age")) {
 825                 @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
 826                 print "<th>Last Change</th>\n";
 827         } else {
 828                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?o=age"}, "Last Change") . "</th>\n";
 829         }
 830         print "<th></th>\n" .
 831               "</tr>\n";
 832         my $alternate = 0;
 833         foreach my $pr (@projects) {
 834                 if ($alternate) {
 835                         print "<tr class=\"dark\">\n";
 836                 } else {
 837                         print "<tr class=\"light\">\n";
 838                 }
 839                 $alternate ^= 1;
 840                 print "<td>" . $cgi->a({-href => "$my_uri?p=$pr->{'path'};a=summary", -class => "list"}, escapeHTML($pr->{'path'})) . "</td>\n" .
 841                       "<td>$pr->{'descr'}</td>\n" .
 842                       "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
 843                 my $colored_age;
 844                 if ($pr->{'commit'}{'age'} < 60*60*2) {
 845                         $colored_age = "<span style =\"color: #009900;\"><b><i>$pr->{'commit'}{'age_string'}</i></b></span>";
 846                 } elsif ($pr->{'commit'}{'age'} < 60*60*24*2) {
 847                         $colored_age = "<span style =\"color: #009900;\"><i>$pr->{'commit'}{'age_string'}</i></span>";
 848                 } else {
 849                         $colored_age = "<i>$pr->{'commit'}{'age_string'}</i>";
 850                 }
 851                 print "<td>$colored_age</td>\n" .
 852                       "<td class=\"link\">" .
 853                       $cgi->a({-href => "$my_uri?p=$pr->{'path'};a=summary"}, "summary") .
 854                       " | " . $cgi->a({-href => "$my_uri?p=$pr->{'path'};a=shortlog"}, "shortlog") .
 855                       " | " . $cgi->a({-href => "$my_uri?p=$pr->{'path'};a=log"}, "log") .
 856                       "</td>\n" .
 857                       "</tr>\n";
 858         }
 859         print "</table>\n";
 860         git_footer_html();
 861 }
 862
 863 sub git_read_refs {
 864         my $ref_dir = shift;
 865         my @reflist;
 866
 867         my @refs;
 868         opendir my $dh, "$projectroot/$project/$ref_dir";
 869         while (my $dir = readdir($dh)) {
 870                 if ($dir =~ m/^\./) {
 871                         next;
 872                 }
 873                 if (-d "$projectroot/$project/$ref_dir/$dir") {
 874                         opendir my $dh2, "$projectroot/$project/$ref_dir/$dir";
 875                         my @subdirs = grep !m/^\./, readdir $dh2;
 876                         closedir($dh2);
 877                         foreach my $subdir (@subdirs) {
 878                                 push @refs, "$dir/$subdir"
 879                         }
 880                         next;
 881                 }
 882                 push @refs, $dir;
 883         }
 884         closedir($dh);
 885         foreach my $ref_file (@refs) {
 886                 my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 887                 my $type = git_get_type($ref_id) || next;
 888                 my %ref_item;
 889                 my %co;
 890                 $ref_item{'type'} = $type;
 891                 $ref_item{'id'} = $ref_id;
 892                 $ref_item{'epoch'} = 0;
 893                 $ref_item{'age'} = "unknown";
 894                 if ($type eq "tag") {
 895                         my %tag = git_read_tag($ref_id);
 896                         $ref_item{'comment'} = $tag{'comment'};
 897                         if ($tag{'type'} eq "commit") {
 898                                 %co = git_read_commit($tag{'object'});
 899                                 $ref_item{'epoch'} = $co{'committer_epoch'};
 900                                 $ref_item{'age'} = $co{'age_string'};
 901                         } elsif (defined($tag{'epoch'})) {
 902                                 my $age = time - $tag{'epoch'};
 903                                 $ref_item{'epoch'} = $tag{'epoch'};
 904                                 $ref_item{'age'} = age_string($age);
 905                         }
 906                         $ref_item{'reftype'} = $tag{'type'};
 907                         $ref_item{'name'} = $tag{'name'};
 908                         $ref_item{'refid'} = $tag{'object'};
 909                 } elsif ($type eq "commit"){
 910                         %co = git_read_commit($ref_id);
 911                         $ref_item{'reftype'} = "commit";
 912                         $ref_item{'name'} = $ref_file;
 913                         $ref_item{'title'} = $co{'title'};
 914                         $ref_item{'refid'} = $ref_id;
 915                         $ref_item{'epoch'} = $co{'committer_epoch'};
 916                         $ref_item{'age'} = $co{'age_string'};
 917                 }
 918
 919                 push @reflist, \%ref_item;
 920         }
 921         # sort tags by age
 922         @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
 923         return \@reflist;
 924 }
 925
 926 sub git_summary {
 927         my $descr = git_read_description($project) || "none";
 928         my $head = git_read_hash("$project/HEAD");
 929         my %co = git_read_commit($head);
 930         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 931
 932         my $owner;
 933         if (-f $projects_list) {
 934                 open (my $fd , $projects_list);
 935                 while (my $line = <$fd>) {
 936                         chomp $line;
 937                         my ($pr, $ow) = split ' ', $line;
 938                         $pr = unescape($pr);
 939                         $ow = unescape($ow);
 940                         if ($pr eq $project) {
 941                                 $owner = $ow;
 942                                 last;
 943                         }
 944                 }
 945                 close $fd;
 946         }
 947         if (!defined $owner) {
 948                 $owner = get_file_owner("$projectroot/$project");
 949         }
 950
 951         git_header_html();
 952         print "<div class=\"page_nav\">\n" .
 953               "summary".
 954               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
 955               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 956               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
 957               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
 958               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
 959               "<br/><br/>\n" .
 960               "</div>\n";
 961         print "<div class=\"title\">&nbsp;</div>\n";
 962         print "<table cellspacing=\"0\">\n" .
 963               "<tr><td>description</td><td>" . escapeHTML($descr) . "</td></tr>\n" .
 964               "<tr><td>owner</td><td>$owner</td></tr>\n" .
 965               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
 966               "</table>\n";
 967         open my $fd, "-|", "$gitbin/git-rev-list --max-count=17 " . git_read_hash("$project/HEAD") or die_error(undef, "Open failed.");
 968         my (@revlist) = map { chomp; $_ } <$fd>;
 969         close $fd;
 970         print "<div>\n" .
 971               $cgi->a({-href => "$my_uri?p=$project;a=shortlog", -class => "title"}, "shortlog") .
 972               "</div>\n";
 973         my $i = 16;
 974         print "<table cellspacing=\"0\">\n";
 975         my $alternate = 0;
 976         foreach my $commit (@revlist) {
 977                 my %co = git_read_commit($commit);
 978                 my %ad = date_str($co{'author_epoch'});
 979                 if ($alternate) {
 980                         print "<tr class=\"dark\">\n";
 981                 } else {
 982                         print "<tr class=\"light\">\n";
 983                 }
 984                 $alternate ^= 1;
 985                 if ($i-- > 0) {
 986                         print "<td><i>$co{'age_string'}</i></td>\n" .
 987                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
 988                               "<td>";
 989                         if (length($co{'title_short'}) < length($co{'title'})) {
 990                                 print $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list", -title => "$co{'title'}"},
 991                                       "<b>" . escapeHTML($co{'title_short'}) . "</b>");
 992                         } else {
 993                                 print $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"},
 994                                       "<b>" . escapeHTML($co{'title'}) . "</b>");
 995                         }
 996                         print "</td>\n" .
 997                               "<td class=\"link\">" .
 998                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
 999                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
1000                               "</td>\n" .
1001                               "</tr>";
1002                 } else {
1003                         print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "...") . "</td>\n" .
1004                         "</tr>";
1005                         last;
1006                 }
1007         }
1008         print "</table\n>";
1009
1010         my $taglist = git_read_refs("refs/tags");
1011         if (defined @$taglist) {
1012                 print "<div>\n" .
1013                       $cgi->a({-href => "$my_uri?p=$project;a=tags", -class => "title"}, "tags") .
1014                       "</div>\n";
1015                 my $i = 16;
1016                 print "<table cellspacing=\"0\">\n";
1017                 my $alternate = 0;
1018                 foreach my $entry (@$taglist) {
1019                         my %tag = %$entry;
1020                         my $comment_lines = $tag{'comment'};
1021                         my $comment = shift @$comment_lines;
1022                         if (defined($comment)) {
1023                                 $comment = chop_str($comment, 30, 5);
1024                         }
1025                         if ($alternate) {
1026                                 print "<tr class=\"dark\">\n";
1027                         } else {
1028                                 print "<tr class=\"light\">\n";
1029                         }
1030                         $alternate ^= 1;
1031                         if ($i-- > 0) {
1032                                 print "<td><i>$tag{'age'}</i></td>\n" .
1033                                       "<td>" .
1034                                       $cgi->a({-href => "$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}", -class => "list"},
1035                                       "<b>" . escapeHTML($tag{'name'}) . "</b>") .
1036                                       "</td>\n" .
1037                                       "<td>";
1038                                 if (defined($comment)) {
1039                                       print $cgi->a({-class => "list", -href => "$my_uri?p=$project;a=tag;h=$tag{'id'}"}, $comment);
1040                                 }
1041                                 print "</td>\n" .
1042                                       "<td class=\"link\">";
1043                                 if ($tag{'type'} eq "tag") {
1044                                       print $cgi->a({-href => "$my_uri?p=$project;a=tag;h=$tag{'id'}"}, "tag") . " | ";
1045                                 }
1046                                 print $cgi->a({-href => "$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}"}, $tag{'reftype'});
1047                                 if ($tag{'reftype'} eq "commit") {
1048                                       print " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}"}, "shortlog") .
1049                                             " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'refid'}"}, "log");
1050                                 }
1051                                 print "</td>\n" .
1052                                       "</tr>";
1053                         } else {
1054                                 print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=tags"}, "...") . "</td>\n" .
1055                                 "</tr>";
1056                                 last;
1057                         }
1058                 }
1059                 print "</table\n>";
1060         }
1061
1062         my $branchlist = git_read_refs("refs/heads");
1063         if (defined @$branchlist) {
1064                 print "<div>\n" .
1065                       $cgi->a({-href => "$my_uri?p=$project;a=branches", -class => "title"}, "branches") .
1066                       "</div>\n";
1067                 my $i = 16;
1068                 print "<table cellspacing=\"0\">\n";
1069                 my $alternate = 0;
1070                 foreach my $entry (@$branchlist) {
1071                         my %tag = %$entry;
1072                         if ($alternate) {
1073                                 print "<tr class=\"dark\">\n";
1074                         } else {
1075                                 print "<tr class=\"light\">\n";
1076                         }
1077                         $alternate ^= 1;
1078                         if ($i-- > 0) {
1079                                 print "<td><i>$tag{'age'}</i></td>\n" .
1080                                       "<td>" .
1081                                       $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}", -class => "list"},
1082                                       "<b>" . escapeHTML($tag{'name'}) . "</b>") .
1083                                       "</td>\n" .
1084                                       "<td class=\"link\">" .
1085                                       $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}"}, "shortlog") .
1086                                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'name'}"}, "log") .
1087                                       "</td>\n" .
1088                                       "</tr>";
1089                         } else {
1090                                 print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=branches"}, "...") . "</td>\n" .
1091                                 "</tr>";
1092                                 last;
1093                         }
1094                 }
1095                 print "</table\n>";
1096         }
1097         git_footer_html();
1098 }
1099
1100 sub git_tag {
1101         my $head = git_read_hash("$project/HEAD");
1102         git_header_html();
1103         print "<div class=\"page_nav\">\n" .
1104               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1105               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1106               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1107               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
1108               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
1109               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;hb=$head"}, "tree") . "<br/>\n" .
1110               "<br/>\n" .
1111               "</div>\n";
1112         my %tag = git_read_tag($hash);
1113         print "<div>\n" .
1114               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($tag{'name'})) . "\n" .
1115               "</div>\n";
1116         print "<div class=\"title_text\">\n" .
1117               "<table cellspacing=\"0\">\n" .
1118               "<tr>\n" .
1119               "<td>object</td>\n" .
1120               "<td>" . $cgi->a({-class => "list", -href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'object'}"}, $tag{'object'}) . "</td>\n" .
1121               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'object'}"}, $tag{'type'}) . "</td>\n" .
1122               "</tr>\n";
1123         if (defined($tag{'author'})) {
1124                 my %ad = date_str($tag{'epoch'}, $tag{'tz'});
1125                 print "<tr><td>author</td><td>" . escapeHTML($tag{'author'}) . "</td></tr>\n";
1126                 print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1127         }
1128         print "</table>\n\n" .
1129               "</div>\n";
1130         print "<div class=\"page_body\">";
1131         my $comment = $tag{'comment'};
1132         foreach my $line (@$comment) {
1133                 print escapeHTML($line) . "<br/>\n";
1134         }
1135         print "</div>\n";
1136         git_footer_html();
1137 }
1138
1139 sub git_tags {
1140         my $head = git_read_hash("$project/HEAD");
1141         git_header_html();
1142         print "<div class=\"page_nav\">\n" .
1143               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1144               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1145               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1146               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
1147               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
1148               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;hb=$head"}, "tree") . "<br/>\n" .
1149               "<br/>\n" .
1150               "</div>\n";
1151         my $taglist = git_read_refs("refs/tags");
1152         print "<div>\n" .
1153               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
1154               "</div>\n";
1155         print "<table cellspacing=\"0\">\n";
1156         my $alternate = 0;
1157         if (defined @$taglist) {
1158                 foreach my $entry (@$taglist) {
1159                         my %tag = %$entry;
1160                         my $comment_lines = $tag{'comment'};
1161                         my $comment = shift @$comment_lines;
1162                         if (defined($comment)) {
1163                                 $comment = chop_str($comment, 30, 5);
1164                         }
1165                         if ($alternate) {
1166                                 print "<tr class=\"dark\">\n";
1167                         } else {
1168                                 print "<tr class=\"light\">\n";
1169                         }
1170                         $alternate ^= 1;
1171                         print "<td><i>$tag{'age'}</i></td>\n" .
1172                               "<td>" .
1173                               $cgi->a({-href => "$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}", -class => "list"},
1174                               "<b>" . escapeHTML($tag{'name'}) . "</b>") .
1175                               "</td>\n" .
1176                               "<td>";
1177                         if (defined($comment)) {
1178                               print $cgi->a({-class => "list", -href => "$my_uri?p=$project;a=tag;h=$tag{'id'}"}, $comment);
1179                         }
1180                         print "</td>\n" .
1181                               "<td class=\"link\">";
1182                         if ($tag{'type'} eq "tag") {
1183                               print $cgi->a({-href => "$my_uri?p=$project;a=tag;h=$tag{'id'}"}, "tag") . " | ";
1184                         }
1185                         print $cgi->a({-href => "$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}"}, $tag{'reftype'});
1186                         if ($tag{'reftype'} eq "commit") {
1187                               print " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}"}, "shortlog") .
1188                                     " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'refid'}"}, "log");
1189                         }
1190                         print "</td>\n" .
1191                               "</tr>";
1192                 }
1193         }
1194         print "</table\n>";
1195         git_footer_html();
1196 }
1197
1198 sub git_branches {
1199         my $head = git_read_hash("$project/HEAD");
1200         git_header_html();
1201         print "<div class=\"page_nav\">\n" .
1202               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1203               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1204               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1205               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
1206               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
1207               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;hb=$head"}, "tree") . "<br/>\n" .
1208               "<br/>\n" .
1209               "</div>\n";
1210         my $taglist = git_read_refs("refs/heads");
1211         print "<div>\n" .
1212               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
1213               "</div>\n";
1214         print "<table cellspacing=\"0\">\n";
1215         my $alternate = 0;
1216         if (defined @$taglist) {
1217                 foreach my $entry (@$taglist) {
1218                         my %tag = %$entry;
1219                         if ($alternate) {
1220                                 print "<tr class=\"dark\">\n";
1221                         } else {
1222                                 print "<tr class=\"light\">\n";
1223                         }
1224                         $alternate ^= 1;
1225                         print "<td><i>$tag{'age'}</i></td>\n" .
1226                               "<td>" .
1227                               $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}", -class => "list"}, "<b>" . escapeHTML($tag{'name'}) . "</b>") .
1228                               "</td>\n" .
1229                               "<td class=\"link\">" .
1230                               $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}"}, "shortlog") .
1231                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'name'}"}, "log") .
1232                               "</td>\n" .
1233                               "</tr>";
1234                 }
1235         }
1236         print "</table\n>";
1237         git_footer_html();
1238 }
1239
1240 sub git_get_hash_by_path {
1241         my $base = shift;
1242         my $path = shift || return undef;
1243
1244         my $tree = $base;
1245         my @parts = split '/', $path;
1246         while (my $part = shift @parts) {
1247                 open my $fd, "-|", "$gitbin/git-ls-tree $tree" or die_error(undef, "Open git-ls-tree failed.");
1248                 my (@entries) = map { chomp; $_ } <$fd>;
1249                 close $fd or return undef;
1250                 foreach my $line (@entries) {
1251                         #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1252                         $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1253                         my $t_mode = $1;
1254                         my $t_type = $2;
1255                         my $t_hash = $3;
1256                         my $t_name = $4;
1257                         if ($t_name eq $part) {
1258                                 if (!(@parts)) {
1259                                         return $t_hash;
1260                                 }
1261                                 if ($t_type eq "tree") {
1262                                         $tree = $t_hash;
1263                                 }
1264                                 last;
1265                         }
1266                 }
1267         }
1268 }
1269
1270 sub git_blob {
1271         if (!defined $hash && defined $file_name) {
1272                 my $base = $hash_base || git_read_hash("$project/HEAD");
1273                 $hash = git_get_hash_by_path($base, $file_name, "blob");
1274         }
1275         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or die_error(undef, "Open failed.");
1276         my $base = $file_name || "";
1277         git_header_html();
1278         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1279                 print "<div class=\"page_nav\">\n" .
1280                       $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1281                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1282                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1283                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1284                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1285                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree") . "<br/>\n";
1286                 print $cgi->a({-href => "$my_uri?p=$project;a=blob_plain;h=$hash"}, "plain") . "<br/>\n" .
1287                       "</div>\n";
1288                 print "<div>" .
1289                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) .
1290                       "</div>\n";
1291         } else {
1292                 print "<div class=\"page_nav\">\n" .
1293                       "<br/><br/></div>\n" .
1294                       "<div class=\"title\">$hash</div>\n";
1295         }
1296         if (defined $file_name) {
1297                 print "<div class=\"page_path\"><b>$file_name</b></div>\n";
1298         }
1299         print "<div class=\"page_body\">\n";
1300         my $nr;
1301         while (my $line = <$fd>) {
1302                 chomp $line;
1303                 $nr++;
1304                 while ((my $pos = index($line, "\t")) != -1) {
1305                         if (my $count = (8 - ($pos % 8))) {
1306                                 my $spaces = ' ' x $count;
1307                                 $line =~ s/\t/$spaces/;
1308                         }
1309                 }
1310                 printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, escapeHTML($line);
1311         }
1312         close $fd or print "Reading blob failed.\n";
1313         print "</div>";
1314         git_footer_html();
1315 }
1316
1317 sub git_blob_plain {
1318         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
1319         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or return;
1320         undef $/;
1321         print <$fd>;
1322         $/ = "\n";
1323         close $fd;
1324 }
1325
1326 sub git_tree {
1327         if (!defined $hash) {
1328                 $hash = git_read_hash("$project/HEAD");
1329                 if (defined $file_name) {
1330                         my $base = $hash_base || git_read_hash("$project/HEAD");
1331                         $hash = git_get_hash_by_path($base, $file_name, "tree");
1332                 }
1333                 if (!defined $hash_base) {
1334                         $hash_base = git_read_hash("$project/HEAD");
1335                 }
1336         }
1337         open my $fd, "-|", "$gitbin/git-ls-tree $hash" or die_error(undef, "Open git-ls-tree failed.");
1338         my (@entries) = map { chomp; $_ } <$fd>;
1339         close $fd or die_error(undef, "Reading tree failed.");
1340
1341         git_header_html();
1342         my $base_key = "";
1343         my $file_key = "";
1344         my $base = "";
1345         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1346                 $base_key = ";hb=$hash_base";
1347                 print "<div class=\"page_nav\">\n" .
1348                       $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1349                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash_base"}, "shortlog") .
1350                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash_base"}, "log") .
1351                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1352                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1353                       " | tree" .
1354                       "<br/><br/>\n" .
1355                       "</div>\n";
1356                 print "<div>\n" .
1357                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1358                       "</div>\n";
1359         } else {
1360                 print "<div class=\"page_nav\">\n";
1361                 print "<br/><br/></div>\n";
1362                 print "<div class=\"title\">$hash</div>\n";
1363         }
1364         if (defined $file_name) {
1365                 $base = "$file_name/";
1366                 print "<div class=\"page_path\"><b>/$file_name</b></div>\n";
1367         } else {
1368                 print "<div class=\"page_path\"><b>/</b></div>\n";
1369         }
1370         print "<div class=\"page_body\">\n";
1371         print "<table cellspacing=\"0\">\n";
1372         my $alternate = 0;
1373         foreach my $line (@entries) {
1374                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1375                 $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1376                 my $t_mode = $1;
1377                 my $t_type = $2;
1378                 my $t_hash = $3;
1379                 my $t_name = $4;
1380                 $file_key = ";f=$base$t_name";
1381                 if ($alternate) {
1382                         print "<tr class=\"dark\">\n";
1383                 } else {
1384                         print "<tr class=\"light\">\n";
1385                 }
1386                 $alternate ^= 1;
1387                 print "<td style=\"font-family:monospace\">" . mode_str($t_mode) . "</td>\n";
1388                 if ($t_type eq "blob") {
1389                         print "<td class=\"list\">" .
1390                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key, -class => "list"}, $t_name) .
1391                               "</td>\n" .
1392                               "<td class=\"link\">" .
1393                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key}, "blob") .
1394                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base" . $file_key}, "history") .
1395                               "</td>\n";
1396                 } elsif ($t_type eq "tree") {
1397                         print "<td class=\"list\">" .
1398                               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key}, $t_name) .
1399                               "</td>\n" .
1400                               "<td class=\"link\">" .
1401                               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key}, "tree") .
1402                               "</td>\n";
1403                 }
1404                 print "</tr>\n";
1405         }
1406         print "</table>\n" .
1407               "</div>";
1408         git_footer_html();
1409 }
1410
1411 sub git_rss {
1412         # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
1413         open my $fd, "-|", "$gitbin/git-rev-list --max-count=150 " . git_read_hash("$project/HEAD") or die_error(undef, "Open failed.");
1414         my (@revlist) = map { chomp; $_ } <$fd>;
1415         close $fd or die_error(undef, "Reading rev-list failed.");
1416         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1417         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1418               "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
1419         print "<channel>\n";
1420         print "<title>$project</title>\n".
1421               "<link>" . escapeHTML("$my_url?p=$project;a=summary") . "</link>\n".
1422               "<description>$project log</description>\n".
1423               "<language>en</language>\n";
1424
1425         for (my $i = 0; $i <= $#revlist; $i++) {
1426                 my $commit = $revlist[$i];
1427                 my %co = git_read_commit($commit);
1428                 # we read 150, we always show 30 and the ones more recent than 48 hours
1429                 if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
1430                         last;
1431                 }
1432                 my %cd = date_str($co{'committer_epoch'});
1433                 open $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $co{'id'}" or next;
1434                 my @difftree = map { chomp; $_ } <$fd>;
1435                 close $fd or next;
1436                 print "<item>\n" .
1437                       "<title>" .
1438                       sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . escapeHTML($co{'title'}) .
1439                       "</title>\n" .
1440                       "<author>" . escapeHTML($co{'author'}) . "</author>\n" .
1441                       "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
1442                       "<guid isPermaLink=\"true\">" . escapeHTML("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
1443                       "<link>" . escapeHTML("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
1444                       "<description>" . escapeHTML($co{'title'}) . "</description>\n" .
1445                       "<content:encoded>" .
1446                       "<![CDATA[\n";
1447                 my $comment = $co{'comment'};
1448                 foreach my $line (@$comment) {
1449                         print "$line<br/>\n";
1450                 }
1451                 print "<br/>\n";
1452                 foreach my $line (@difftree) {
1453                         if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1454                                 next;
1455                         }
1456                         my $file = $7;
1457                         print "$file<br/>\n";
1458                 }
1459                 print "]]>\n" .
1460                       "</content:encoded>\n" .
1461                       "</item>\n";
1462         }
1463         print "</channel></rss>";
1464 }
1465
1466 sub git_opml {
1467         my @list = git_read_projects();
1468
1469         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1470         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1471               "<opml version=\"1.0\">\n".
1472               "<head>".
1473               "  <title>Git OPML Export</title>\n".
1474               "</head>\n".
1475               "<body>\n".
1476               "<outline text=\"git RSS feeds\">\n";
1477
1478         foreach my $pr (@list) {
1479                 my %proj = %$pr;
1480                 my $head = git_read_hash("$proj{'path'}/HEAD");
1481                 if (!defined $head) {
1482                         next;
1483                 }
1484                 $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
1485                 my %co = git_read_commit($head);
1486                 if (!%co) {
1487                         next;
1488                 }
1489
1490                 my $path = escapeHTML(chop_str($proj{'path'}, 25, 5));
1491                 my $rss =  "$my_url?p=$proj{'path'};a=rss";
1492                 my $html =  "$my_url?p=$proj{'path'};a=summary";
1493                 print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
1494         }
1495         print "</outline>\n".
1496               "</body>\n".
1497               "</opml>\n";
1498 }
1499
1500 sub git_log {
1501         my $head = git_read_hash("$project/HEAD");
1502         if (!defined $hash) {
1503                 $hash = $head;
1504         }
1505         if (!defined $page) {
1506                 $page = 0;
1507         }
1508         git_header_html();
1509         print "<div class=\"page_nav\">\n";
1510         print $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1511               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash"}, "shortlog") .
1512               " | log" .
1513               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1514               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
1515               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash;hb=$hash"}, "tree") . "<br/>\n";
1516
1517         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1518         open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
1519         my (@revlist) = map { chomp; $_ } <$fd>;
1520         close $fd;
1521
1522         if ($hash ne $head || $page) {
1523                 print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "HEAD");
1524         } else {
1525                 print "HEAD";
1526         }
1527         if ($page > 0) {
1528                 print " &sdot; " .
1529                 $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash;pg=" . ($page-1), -accesskey => "p", -title => "Alt-p"}, "prev");
1530         } else {
1531                 print " &sdot; prev";
1532         }
1533         if ($#revlist >= (100 * ($page+1)-1)) {
1534                 print " &sdot; " .
1535                 $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash;pg=" . ($page+1), -accesskey => "n", -title => "Alt-n"}, "next");
1536         } else {
1537                 print " &sdot; next";
1538         }
1539         print "<br/>\n" .
1540               "</div>\n";
1541         if (!@revlist) {
1542                 print "<div>\n" .
1543                       $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
1544                       "</div>\n";
1545                 my %co = git_read_commit($hash);
1546                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1547         }
1548         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1549                 my $commit = $revlist[$i];
1550                 my %co = git_read_commit($commit);
1551                 next if !%co;
1552                 my %ad = date_str($co{'author_epoch'});
1553                 print "<div>\n" .
1554                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "title"},
1555                       "<span class=\"age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
1556                       "</div>\n";
1557                 print "<div class=\"title_text\">\n" .
1558                       "<div class=\"log_link\">\n" .
1559                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1560                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
1561                       "<br/>\n" .
1562                       "</div>\n" .
1563                       "<i>" . escapeHTML($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1564                       "</div>\n" .
1565                       "<div class=\"log_body\">\n";
1566                 my $comment = $co{'comment'};
1567                 my $empty = 0;
1568                 foreach my $line (@$comment) {
1569                         if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1570                                 next;
1571                         }
1572                         if ($line eq "") {
1573                                 if ($empty) {
1574                                         next;
1575                                 }
1576                                 $empty = 1;
1577                         } else {
1578                                 $empty = 0;
1579                         }
1580                         print format_log_line_html($line) . "<br/>\n";
1581                 }
1582                 if (!$empty) {
1583                         print "<br/>\n";
1584                 }
1585                 print "</div>\n";
1586         }
1587         git_footer_html();
1588 }
1589
1590 sub git_commit {
1591         my %co = git_read_commit($hash);
1592         if (!%co) {
1593                 die_error(undef, "Unknown commit object.");
1594         }
1595         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1596         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1597
1598         my @difftree;
1599         my $root = "";
1600         my $parent = $co{'parent'};
1601         if (!defined $parent) {
1602                 $root = " --root";
1603                 $parent = "";
1604         }
1605         open my $fd, "-|", "$gitbin/git-diff-tree -r -M $root $parent $hash" or die_error(undef, "Open failed.");
1606         @difftree = map { chomp; $_ } <$fd>;
1607         close $fd or die_error(undef, "Reading diff-tree failed.");
1608         git_header_html();
1609         print "<div class=\"page_nav\">\n" .
1610               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1611               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash"}, "shortlog") .
1612               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
1613               " | commit";
1614         if (defined $co{'parent'}) {
1615                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff");
1616         }
1617         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") . "\n" .
1618               "<br/><br/></div>\n";
1619         if (defined $co{'parent'}) {
1620                 print "<div>\n" .
1621                       $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1622                       "</div>\n";
1623         } else {
1624                 print "<div>\n" .
1625                       $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1626                       "</div>\n";
1627         }
1628         print "<div class=\"title_text\">\n" .
1629               "<table cellspacing=\"0\">\n";
1630         print "<tr><td>author</td><td>" . escapeHTML($co{'author'}) . "</td></tr>\n".
1631               "<tr>" .
1632               "<td></td><td> $ad{'rfc2822'}";
1633         if ($ad{'hour_local'} < 6) {
1634                 printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1635         } else {
1636                 printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1637         }
1638         print "</td>" .
1639               "</tr>\n";
1640         print "<tr><td>committer</td><td>" . escapeHTML($co{'committer'}) . "</td></tr>\n";
1641         print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1642         print "<tr><td>commit</td><td style=\"font-family:monospace\">$co{'id'}</td></tr>\n";
1643         print "<tr>" .
1644               "<td>tree</td>" .
1645               "<td style=\"font-family:monospace\">" .
1646               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash", class => "list"}, $co{'tree'}) .
1647               "</td>" .
1648               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
1649               "</td>" .
1650               "</tr>\n";
1651         my $parents  = $co{'parents'};
1652         foreach my $par (@$parents) {
1653                 print "<tr>" .
1654                       "<td>parent</td>" .
1655                       "<td style=\"font-family:monospace\">" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par", class => "list"}, $par) . "</td>" .
1656                       "<td class=\"link\">" .
1657                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, "commit") .
1658                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash;hp=$par"}, "commitdiff") .
1659                       "</td>" .
1660                       "</tr>\n";
1661         }
1662         print "</table>".
1663               "</div>\n";
1664         print "<div class=\"page_body\">\n";
1665         my $comment = $co{'comment'};
1666         my $empty = 0;
1667         my $signed = 0;
1668         foreach my $line (@$comment) {
1669                 # print only one empty line
1670                 if ($line eq "") {
1671                         if ($empty || $signed) {
1672                                 next;
1673                         }
1674                         $empty = 1;
1675                 } else {
1676                         $empty = 0;
1677                 }
1678                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1679                         $signed = 1;
1680                         print "<span style=\"color: #888888\">" . escapeHTML($line) . "</span><br/>\n";
1681                 } else {
1682                         $signed = 0;
1683                         print format_log_line_html($line) . "<br/>\n";
1684                 }
1685         }
1686         print "</div>\n";
1687         print "<div class=\"list_head\">\n";
1688         if ($#difftree > 10) {
1689                 print(($#difftree + 1) . " files changed:\n");
1690         }
1691         print "</div>\n";
1692         print "<table cellspacing=\"0\">\n";
1693         my $alternate = 0;
1694         foreach my $line (@difftree) {
1695                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1696                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1697                 if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1698                         next;
1699                 }
1700                 my $from_mode = $1;
1701                 my $to_mode = $2;
1702                 my $from_id = $3;
1703                 my $to_id = $4;
1704                 my $status = $5;
1705                 my $similarity = $6;
1706                 my $file = $7;
1707                 if ($alternate) {
1708                         print "<tr class=\"dark\">\n";
1709                 } else {
1710                         print "<tr class=\"light\">\n";
1711                 }
1712                 $alternate ^= 1;
1713                 if ($status eq "A") {
1714                         my $mode_chng = "";
1715                         if (S_ISREG(oct $to_mode)) {
1716                                 $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
1717                         }
1718                         print "<td>" .
1719                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hp=$hash;f=$file", -class => "list"}, escapeHTML($file)) . "</td>\n" .
1720                               "<td><span style=\"color: #008000;\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
1721                               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "blob") . "</td>\n";
1722                 } elsif ($status eq "D") {
1723                         print "<td>" .
1724                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file)) . "</td>\n" .
1725                               "<td><span style=\"color: #c00000;\">[deleted " . file_type($from_mode). "]</span></td>\n" .
1726                               "<td class=\"link\">" .
1727                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, "blob") .
1728                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") .
1729                               "</td>\n"
1730                 } elsif ($status eq "M" || $status eq "T") {
1731                         my $mode_chnge = "";
1732                         if ($from_mode != $to_mode) {
1733                                 $mode_chnge = " <span style=\"color: #777777;\">[changed";
1734                                 if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
1735                                         $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
1736                                 }
1737                                 if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
1738                                         if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
1739                                                 $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
1740                                         } elsif (S_ISREG($to_mode)) {
1741                                                 $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
1742                                         }
1743                                 }
1744                                 $mode_chnge .= "]</span>\n";
1745                         }
1746                         print "<td>";
1747                         if ($to_id ne $from_id) {
1748                                 print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file));
1749                         } else {
1750                                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file));
1751                         }
1752                         print "</td>\n" .
1753                               "<td>$mode_chnge</td>\n" .
1754                               "<td class=\"link\">";
1755                         print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "blob");
1756                         if ($to_id ne $from_id) {
1757                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"}, "diff");
1758                         }
1759                         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n";
1760                         print "</td>\n";
1761                 } elsif ($status eq "R") {
1762                         my ($from_file, $to_file) = split "\t", $file;
1763                         my $mode_chng = "";
1764                         if ($from_mode != $to_mode) {
1765                                 $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
1766                         }
1767                         print "<td>" .
1768                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file", -class => "list"}, escapeHTML($to_file)) . "</td>\n" .
1769                               "<td><span style=\"color: #777777;\">[moved from " .
1770                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$from_file", -class => "list"}, escapeHTML($from_file)) .
1771                               " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
1772                               "<td class=\"link\">" .
1773                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"}, "blob");
1774                         if ($to_id ne $from_id) {
1775                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file"}, "diff");
1776                         }
1777                         print "</td>\n";
1778                 }
1779                 print "</tr>\n";
1780         }
1781         print "</table>\n";
1782         git_footer_html();
1783 }
1784
1785 sub git_blobdiff {
1786         mkdir($git_temp, 0700);
1787         git_header_html();
1788         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1789                 print "<div class=\"page_nav\">\n" .
1790                       $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1791                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1792                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1793                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1794                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1795                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree") .
1796                       "<br/>\n";
1797                 print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent"}, "plain") .
1798                       "</div>\n";
1799                 print "<div>\n" .
1800                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1801                       "</div>\n";
1802         } else {
1803                 print "<div class=\"page_nav\">\n" .
1804                       "<br/><br/></div>\n" .
1805                       "<div class=\"title\">$hash vs $hash_parent</div>\n";
1806         }
1807         if (defined $file_name) {
1808                 print "<div class=\"page_path\"><b>/$file_name</b></div>\n";
1809         }
1810         print "<div class=\"page_body\">\n" .
1811               "<div class=\"diff_info\">blob:" .
1812               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name"}, $hash_parent) .
1813               " -> blob:" .
1814               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name"}, $hash) .
1815               "</div>\n";
1816         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
1817         print "</div>";
1818         git_footer_html();
1819 }
1820
1821 sub git_blobdiff_plain {
1822         mkdir($git_temp, 0700);
1823         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
1824         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
1825 }
1826
1827 sub git_commitdiff {
1828         mkdir($git_temp, 0700);
1829         my %co = git_read_commit($hash);
1830         if (!%co) {
1831                 die_error(undef, "Unknown commit object.");
1832         }
1833         if (!defined $hash_parent) {
1834                 $hash_parent = $co{'parent'};
1835         }
1836         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
1837         my (@difftree) = map { chomp; $_ } <$fd>;
1838         close $fd or die_error(undef, "Reading diff-tree failed.");
1839
1840         git_header_html();
1841         print "<div class=\"page_nav\">\n" .
1842               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1843               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash"}, "shortlog") .
1844               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
1845               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1846               " | commitdiff" .
1847               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") . "<br/>\n";
1848         print $cgi->a({-href => "$my_uri?p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent"}, "plain") . "\n" .
1849               "</div>\n";
1850         print "<div>\n" .
1851               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1852               "</div>\n";
1853         print "<div class=\"page_body\">\n";
1854         my $comment = $co{'comment'};
1855         my $empty = 0;
1856         my $signed = 0;
1857         my @log = @$comment;
1858         # remove first and empty lines after that
1859         shift @log;
1860         while (defined $log[0] && $log[0] eq "") {
1861                 shift @log;
1862         }
1863         foreach my $line (@log) {
1864                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1865                         next;
1866                 }
1867                 if ($line eq "") {
1868                         if ($empty) {
1869                                 next;
1870                         }
1871                         $empty = 1;
1872                 } else {
1873                         $empty = 0;
1874                 }
1875                 print format_log_line_html($line) . "<br/>\n";
1876         }
1877         print "<br/>\n";
1878         foreach my $line (@difftree) {
1879                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1880                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1881                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
1882                 my $from_mode = $1;
1883                 my $to_mode = $2;
1884                 my $from_id = $3;
1885                 my $to_id = $4;
1886                 my $status = $5;
1887                 my $file = $6;
1888                 if ($status eq "A") {
1889                         print "<div class=\"diff_info\">" .  file_type($to_mode) . ":" .
1890                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id) . "(new)" .
1891                               "</div>\n";
1892                         git_diff_print(undef, "/dev/null", $to_id, "b/$file");
1893                 } elsif ($status eq "D") {
1894                         print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
1895                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) . "(deleted)" .
1896                               "</div>\n";
1897                         git_diff_print($from_id, "a/$file", undef, "/dev/null");
1898                 } elsif ($status eq "M") {
1899                         if ($from_id ne $to_id) {
1900                                 print "<div class=\"diff_info\">" .
1901                                       file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) .
1902                                       " -> " .
1903                                       file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id);
1904                                 print "</div>\n";
1905                                 git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
1906                         }
1907                 }
1908         }
1909         print "<br/>\n" .
1910               "</div>";
1911         git_footer_html();
1912 }
1913
1914 sub git_commitdiff_plain {
1915         mkdir($git_temp, 0700);
1916         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
1917         my (@difftree) = map { chomp; $_ } <$fd>;
1918         close $fd or die_error(undef, "Reading diff-tree failed.");
1919
1920         # try to figure out the next tag after this commit
1921         my $tagname;
1922         my %taghash;
1923         my $tags = git_read_refs("refs/tags");
1924         foreach my $entry (@$tags) {
1925                 my %tag = %$entry;
1926                 $taghash{$tag{'refid'}} = $tag{'name'};
1927         }
1928         open $fd, "-|", "$gitbin/git-rev-list HEAD";
1929         while (my $commit = <$fd>) {
1930                 chomp $commit;
1931                 if ($taghash{$commit}) {
1932                         $tagname = $taghash{$commit};
1933                 }
1934                 if ($commit eq $hash) {
1935                         last;
1936                 }
1937         }
1938         close $fd;
1939
1940         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
1941         my %co = git_read_commit($hash);
1942         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1943         my $comment = $co{'comment'};
1944         print "From: $co{'author'}\n" .
1945               "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
1946               "Subject: $co{'title'}\n";
1947         if (defined $tagname) {
1948               print "X-Git-Tag: $tagname\n";
1949         }
1950         print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
1951               "\n";
1952
1953         foreach my $line (@$comment) {;
1954                 print "  $line\n";
1955         }
1956         print "---\n\n";
1957
1958         foreach my $line (@difftree) {
1959                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
1960                 my $from_id = $3;
1961                 my $to_id = $4;
1962                 my $status = $5;
1963                 my $file = $6;
1964                 if ($status eq "A") {
1965                         git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
1966                 } elsif ($status eq "D") {
1967                         git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
1968                 } elsif ($status eq "M") {
1969                         git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
1970                 }
1971         }
1972 }
1973
1974 sub git_history {
1975         if (!defined $hash) {
1976                 $hash = git_read_hash("$project/HEAD");
1977         }
1978         my %co = git_read_commit($hash);
1979         if (!%co) {
1980                 die_error(undef, "Unknown commit object.");
1981         }
1982         git_header_html();
1983         print "<div class=\"page_nav\">\n" .
1984               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1985               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1986               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1987               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1988               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
1989               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
1990               "<br/><br/>\n" .
1991               "</div>\n";
1992         print "<div>\n" .
1993               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1994               "</div>\n";
1995         print "<div class=\"page_path\"><b>/$file_name</b><br/></div>\n";
1996
1997         open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin $file_name";
1998         my $commit;
1999         print "<table cellspacing=\"0\">\n";
2000         my $alternate = 0;
2001         while (my $line = <$fd>) {
2002                 if ($line =~ m/^([0-9a-fA-F]{40})/){
2003                         $commit = $1;
2004                         next;
2005                 }
2006                 if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/ && (defined $commit)) {
2007                         my %co = git_read_commit($commit);
2008                         if (!%co) {
2009                                 next;
2010                         }
2011                         if ($alternate) {
2012                                 print "<tr class=\"dark\">\n";
2013                         } else {
2014                                 print "<tr class=\"light\">\n";
2015                         }
2016                         $alternate ^= 1;
2017                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2018                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2019                               "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"}, "<b>" .
2020                               escapeHTML(chop_str($co{'title'}, 50)) . "</b>") . "</td>\n" .
2021                               "<td class=\"link\">" .
2022                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
2023                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=blob;hb=$commit;f=$file_name"}, "blob");
2024                         my $blob = git_get_hash_by_path($hash, $file_name);
2025                         my $blob_parent = git_get_hash_by_path($commit, $file_name);
2026                         if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
2027                                 print " | " .
2028                                 $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name"},
2029                                 "diff to current");
2030                         }
2031                         print "</td>\n" .
2032                               "</tr>\n";
2033                         undef $commit;
2034                 }
2035         }
2036         print "</table>\n";
2037         close $fd;
2038         git_footer_html();
2039 }
2040
2041 sub git_search {
2042         if (!defined $searchtext) {
2043                 die_error("", "Text field empty.");
2044         }
2045         if (!defined $hash) {
2046                 $hash = git_read_hash("$project/HEAD");
2047         }
2048         my %co = git_read_commit($hash);
2049         if (!%co) {
2050                 die_error(undef, "Unknown commit object.");
2051         }
2052         # pickaxe may take all resources of your box and run for several minutes
2053         # with every query - so decide by yourself how public you make this feature :)
2054         my $commit_search = 1;
2055         my $author_search = 0;
2056         my $committer_search = 0;
2057         my $pickaxe_search = 0;
2058         if ($searchtext =~ s/^author\\://i) {
2059                 $author_search = 1;
2060         } elsif ($searchtext =~ s/^committer\\://i) {
2061                 $committer_search = 1;
2062         } elsif ($searchtext =~ s/^pickaxe\\://i) {
2063                 $commit_search = 0;
2064                 $pickaxe_search = 1;
2065         }
2066         git_header_html();
2067         print "<div class=\"page_nav\">\n" .
2068               $cgi->a({-href => "$my_uri?p=$project;a=summary;h=$hash"}, "summary") .
2069               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
2070               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
2071               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
2072               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
2073               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
2074               "<br/><br/>\n" .
2075               "</div>\n";
2076
2077         print "<div>\n" .
2078               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
2079               "</div>\n";
2080         print "<table cellspacing=\"0\">\n";
2081         my $alternate = 0;
2082         if ($commit_search) {
2083                 $/ = "\0";
2084                 open my $fd, "-|", "$gitbin/git-rev-list --header $hash";
2085                 while (my $commit_text = <$fd>) {
2086                         if (!grep m/$searchtext/i, $commit_text) {
2087                                 next;
2088                         }
2089                         if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2090                                 next;
2091                         }
2092                         if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2093                                 next;
2094                         }
2095                         my @commit_lines = split "\n", $commit_text;
2096                         my $commit = shift @commit_lines;
2097                         my %co = git_read_commit($commit, \@commit_lines);
2098                         if (!%co) {
2099                                 next;
2100                         }
2101                         if ($alternate) {
2102                                 print "<tr class=\"dark\">\n";
2103                         } else {
2104                                 print "<tr class=\"light\">\n";
2105                         }
2106                         $alternate ^= 1;
2107                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2108                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2109                               "<td>" .
2110                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"}, "<b>" . escapeHTML(chop_str($co{'title'}, 50)) . "</b><br/>");
2111                         my $comment = $co{'comment'};
2112                         foreach my $line (@$comment) {
2113                                 if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2114                                         my $lead = escapeHTML($1) || "";
2115                                         $lead = chop_str($lead, 30, 10);
2116                                         my $match = escapeHTML($2) || "";
2117                                         my $trail = escapeHTML($3) || "";
2118                                         $trail = chop_str($trail, 30, 10);
2119                                         my $text = "$lead<span style=\"color:#e00000\">$match</span>$trail";
2120                                         print chop_str($text, 80, 5) . "<br/>\n";
2121                                 }
2122                         }
2123                         print "</td>\n" .
2124                               "<td class=\"link\">" .
2125                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
2126                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$commit"}, "tree");
2127                         print "</td>\n" .
2128                               "</tr>\n";
2129                 }
2130                 close $fd;
2131         }
2132
2133         if ($pickaxe_search) {
2134                 $/ = "\n";
2135                 open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -S$searchtext";
2136                 undef %co;
2137                 my @files;
2138                 while (my $line = <$fd>) {
2139                         if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2140                                 my %set;
2141                                 $set{'file'} = $6;
2142                                 $set{'from_id'} = $3;
2143                                 $set{'to_id'} = $4;
2144                                 $set{'id'} = $set{'to_id'};
2145                                 if ($set{'id'} =~ m/0{40}/) {
2146                                         $set{'id'} = $set{'from_id'};
2147                                 }
2148                                 if ($set{'id'} =~ m/0{40}/) {
2149                                         next;
2150                                 }
2151                                 push @files, \%set;
2152                         } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2153                                 if (%co) {
2154                                         if ($alternate) {
2155                                                 print "<tr class=\"dark\">\n";
2156                                         } else {
2157                                                 print "<tr class=\"light\">\n";
2158                                         }
2159                                         $alternate ^= 1;
2160                                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2161                                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2162                                               "<td>" .
2163                                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$co{'id'}", -class => "list"}, "<b>" .
2164                                               escapeHTML(chop_str($co{'title'}, 50)) . "</b><br/>");
2165                                         while (my $setref = shift @files) {
2166                                                 my %set = %$setref;
2167                                                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}", class => "list"},
2168                                                       "<span style=\"color:#e00000\">" . escapeHTML($set{'file'}) . "</span>") .
2169                                                       "<br/>\n";
2170                                         }
2171                                         print "</td>\n" .
2172                                               "<td class=\"link\">" .
2173                                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$co{'id'}"}, "commit") .
2174                                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}"}, "tree");
2175                                         print "</td>\n" .
2176                                               "</tr>\n";
2177                                 }
2178                                 %co = git_read_commit($1);
2179                         }
2180                 }
2181                 close $fd;
2182         }
2183         print "</table>\n";
2184         git_footer_html();
2185 }
2186
2187 sub git_shortlog {
2188         my $head = git_read_hash("$project/HEAD");
2189         if (!defined $hash) {
2190                 $hash = $head;
2191         }
2192         if (!defined $page) {
2193                 $page = 0;
2194         }
2195         git_header_html();
2196         print "<div class=\"page_nav\">\n" .
2197               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
2198               " | shortlog" .
2199               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
2200               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
2201               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
2202               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash;hb=$hash"}, "tree") . "<br/>\n";
2203
2204         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2205         open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
2206         my (@revlist) = map { chomp; $_ } <$fd>;
2207         close $fd;
2208
2209         if ($hash ne $head || $page) {
2210                 print $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "HEAD");
2211         } else {
2212                 print "HEAD";
2213         }
2214         if ($page > 0) {
2215                 print " &sdot; " .
2216                 $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page-1), -accesskey => "p", -title => "Alt-p"}, "prev");
2217         } else {
2218                 print " &sdot; prev";
2219         }
2220         if ($#revlist >= (100 * ($page+1)-1)) {
2221                 print " &sdot; " .
2222                 $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page+1), -accesskey => "n", -title => "Alt-n"}, "next");
2223         } else {
2224                 print " &sdot; next";
2225         }
2226         print "<br/>\n" .
2227               "</div>\n";
2228         print "<div>\n" .
2229               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
2230               "</div>\n";
2231         print "<table cellspacing=\"0\">\n";
2232         my $alternate = 0;
2233         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2234                 my $commit = $revlist[$i];
2235                 my %co = git_read_commit($commit);
2236                 my %ad = date_str($co{'author_epoch'});
2237                 if ($alternate) {
2238                         print "<tr class=\"dark\">\n";
2239                 } else {
2240                         print "<tr class=\"light\">\n";
2241                 }
2242                 $alternate ^= 1;
2243                 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2244                       "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2245                       "<td>";
2246                 if (length($co{'title_short'}) < length($co{'title'})) {
2247                         print $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list", -title => "$co{'title'}"},
2248                               "<b>" . escapeHTML($co{'title_short'}) . "</b>");
2249                 } else {
2250                         print $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"},
2251                               "<b>" . escapeHTML($co{'title_short'}) . "</b>");
2252                 }
2253                 print "</td>\n" .
2254                       "<td class=\"link\">" .
2255                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
2256                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
2257                       "</td>\n" .
2258                       "</tr>";
2259         }
2260         if ($#revlist >= (100 * ($page+1)-1)) {
2261                 print "<tr>\n" .
2262                       "<td>" .
2263                       $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page+1), -title => "Alt-n"}, "next") .
2264                       "</td>\n" .
2265                       "</tr>\n";
2266         }
2267         print "</table\n>";
2268         git_footer_html();
2269 }