gitweb/gitweb.cgi

   1 #!/usr/bin/perl
   2
   3 # gitweb - simple web interface to track changes in git repositories
   4 #
   5 # (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
   6 # (C) 2005, Christian Gierke
   7 #
   8 # This program is licensed under the GPLv2
   9
  10 use strict;
  11 use warnings;
  12 use CGI qw(:standard :escapeHTML -nosticky);
  13 use CGI::Util qw(unescape);
  14 use CGI::Carp qw(fatalsToBrowser);
  15 use Encode;
  16 use Fcntl ':mode';
  17 binmode STDOUT, ':utf8';
  18
  19 my $cgi = new CGI;
  20 my $version =           "267";
  21 my $my_url =            $cgi->url();
  22 my $my_uri =            $cgi->url(-absolute => 1);
  23 my $rss_link =          "";
  24
  25 # absolute fs-path which will be prepended to the project path
  26 #my $projectroot =      "/pub/scm";
  27 my $projectroot =       "/home/kay/public_html/pub/scm";
  28
  29 # location of the git-core binaries
  30 my $gitbin =            "/usr/bin";
  31
  32 # location for temporary files needed for diffs
  33 my $git_temp =          "/tmp/gitweb";
  34
  35 # target of the home link on top of all pages
  36 my $home_link =         $my_uri;
  37
  38 # html text to include at home page
  39 my $home_text =         "indextext.html";
  40
  41 # source of projects list
  42 #my $projects_list =    $projectroot;
  43 my $projects_list =     "index/index.aux";
  44
  45 # input validation and dispatch
  46 my $action = $cgi->param('a');
  47 if (defined $action) {
  48         if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
  49                 undef $action;
  50                 die_error(undef, "Invalid action parameter.");
  51         }
  52         if ($action eq "git-logo.png") {
  53                 git_logo();
  54                 exit;
  55         } elsif ($action eq "opml") {
  56                 git_opml();
  57                 exit;
  58         }
  59 }
  60
  61 my $order = $cgi->param('o');
  62 if (defined $order) {
  63         if ($order =~ m/[^0-9a-zA-Z_]/) {
  64                 undef $order;
  65                 die_error(undef, "Invalid order parameter.");
  66         }
  67 }
  68
  69 my $project = $cgi->param('p');
  70 if (defined $project) {
  71         $project = validate_input($project);
  72         if (!defined($project)) {
  73                 die_error(undef, "Invalid project parameter.");
  74         }
  75         if (!(-d "$projectroot/$project")) {
  76                 undef $project;
  77                 die_error(undef, "No such directory.");
  78         }
  79         if (!(-e "$projectroot/$project/HEAD")) {
  80                 undef $project;
  81                 die_error(undef, "No such project.");
  82         }
  83         $rss_link = "<link rel=\"alternate\" title=\"" . esc_param($project) . " log\" href=\"" .
  84                     "$my_uri?" . esc_param("p=$project;a=rss") . "\" type=\"application/rss+xml\"/>";
  85         $ENV{'GIT_DIR'} = "$projectroot/$project";
  86 } else {
  87         git_project_list();
  88         exit;
  89 }
  90
  91 my $file_name = $cgi->param('f');
  92 if (defined $file_name) {
  93         $file_name = validate_input($file_name);
  94         if (!defined($file_name)) {
  95                 die_error(undef, "Invalid file parameter.");
  96         }
  97 }
  98
  99 my $hash = $cgi->param('h');
 100 if (defined $hash) {
 101         $hash = validate_input($hash);
 102         if (!defined($hash)) {
 103                 die_error(undef, "Invalid hash parameter.");
 104         }
 105 }
 106
 107 my $hash_parent = $cgi->param('hp');
 108 if (defined $hash_parent) {
 109         $hash_parent = validate_input($hash_parent);
 110         if (!defined($hash_parent)) {
 111                 die_error(undef, "Invalid hash parent parameter.");
 112         }
 113 }
 114
 115 my $hash_base = $cgi->param('hb');
 116 if (defined $hash_base) {
 117         $hash_base = validate_input($hash_base);
 118         if (!defined($hash_base)) {
 119                 die_error(undef, "Invalid hash base parameter.");
 120         }
 121 }
 122
 123 my $page = $cgi->param('pg');
 124 if (defined $page) {
 125         if ($page =~ m/[^0-9]$/) {
 126                 undef $page;
 127                 die_error(undef, "Invalid page parameter.");
 128         }
 129 }
 130
 131 my $searchtext = $cgi->param('s');
 132 if (defined $searchtext) {
 133         if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 134                 undef $searchtext;
 135                 die_error(undef, "Invalid search parameter.");
 136         }
 137         $searchtext = quotemeta $searchtext;
 138 }
 139
 140 sub validate_input {
 141         my $input = shift;
 142
 143         if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 144                 return $input;
 145         }
 146         if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 147                 return undef;
 148         }
 149         if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
 150                 return undef;
 151         }
 152         return $input;
 153 }
 154
 155 if (!defined $action || $action eq "summary") {
 156         git_summary();
 157         exit;
 158 } elsif ($action eq "heads") {
 159         git_heads();
 160         exit;
 161 } elsif ($action eq "tags") {
 162         git_tags();
 163         exit;
 164 } elsif ($action eq "blob") {
 165         git_blob();
 166         exit;
 167 } elsif ($action eq "blob_plain") {
 168         git_blob_plain();
 169         exit;
 170 } elsif ($action eq "tree") {
 171         git_tree();
 172         exit;
 173 } elsif ($action eq "rss") {
 174         git_rss();
 175         exit;
 176 } elsif ($action eq "commit") {
 177         git_commit();
 178         exit;
 179 } elsif ($action eq "log") {
 180         git_log();
 181         exit;
 182 } elsif ($action eq "blobdiff") {
 183         git_blobdiff();
 184         exit;
 185 } elsif ($action eq "blobdiff_plain") {
 186         git_blobdiff_plain();
 187         exit;
 188 } elsif ($action eq "commitdiff") {
 189         git_commitdiff();
 190         exit;
 191 } elsif ($action eq "commitdiff_plain") {
 192         git_commitdiff_plain();
 193         exit;
 194 } elsif ($action eq "history") {
 195         git_history();
 196         exit;
 197 } elsif ($action eq "search") {
 198         git_search();
 199         exit;
 200 } elsif ($action eq "shortlog") {
 201         git_shortlog();
 202         exit;
 203 } elsif ($action eq "tag") {
 204         git_tag();
 205         exit;
 206 } elsif ($action eq "blame") {
 207         git_blame();
 208         exit;
 209 } else {
 210         undef $action;
 211         die_error(undef, "Unknown action.");
 212         exit;
 213 }
 214
 215 # quote unsafe chars, but keep the slash, even when it's not
 216 # correct, but quoted slashes look too horrible in bookmarks
 217 sub esc_param {
 218         my $str = shift;
 219         $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 220         $str =~ s/\+/%2B/g;
 221         $str =~ s/ /\+/g;
 222         return $str;
 223 }
 224
 225 # replace invalid utf8 character with SUBSTITUTION sequence
 226 sub esc_html {
 227         my $str = shift;
 228         $str = decode("utf8", $str, Encode::FB_DEFAULT);
 229         $str = escapeHTML($str);
 230         return $str;
 231 }
 232
 233 # git may return quoted and escaped filenames
 234 sub unquote {
 235         my $str = shift;
 236         if ($str =~ m/^"(.*)"$/) {
 237                 $str = $1;
 238                 $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 239         }
 240         return $str;
 241 }
 242
 243 sub git_header_html {
 244         my $status = shift || "200 OK";
 245         my $expires = shift;
 246
 247         my $title = "git";
 248         if (defined $project) {
 249                 $title .= " - $project";
 250                 if (defined $action) {
 251                         $title .= "/$action";
 252                 }
 253         }
 254         print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status, -expires => $expires);
 255         print <<EOF;
 256 <?xml version="1.0" encoding="utf-8"?>
 257 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 258 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 259 <!-- git web interface v$version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
 260 <head>
 261 <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
 262 <meta name="robots" content="index, nofollow"/>
 263 <title>$title</title>
 264 $rss_link
 265 <style type="text/css">
 266 body {
 267         font-family: sans-serif; font-size: 12px; border:solid #d9d8d1; border-width:1px;
 268         margin:10px; background-color:#ffffff; color:#000000;
 269 }
 270 a { color:#0000cc; }
 271 a:hover, a:visited, a:active { color:#880000; }
 272 div.page_header { height:25px; padding:8px; font-size:18px; font-weight:bold; background-color:#d9d8d1; }
 273 div.page_header a:visited, a.header { color:#0000cc; }
 274 div.page_header a:hover { color:#880000; }
 275 div.page_nav { padding:8px; }
 276 div.page_nav a:visited { color:#0000cc; }
 277 div.page_path { padding:8px; border:solid #d9d8d1; border-width:0px 0px 1px}
 278 div.page_footer { height:17px; padding:4px 8px; background-color: #d9d8d1; }
 279 div.page_footer_text { float:left; color:#555555; font-style:italic; }
 280 div.page_body { padding:8px; }
 281 div.title, a.title {
 282         display:block; padding:6px 8px;
 283         font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
 284 }
 285 a.title:hover { background-color: #d9d8d1; }
 286 div.title_text { padding:6px 0px; border: solid #d9d8d1; border-width:0px 0px 1px; }
 287 div.log_body { padding:8px 8px 8px 150px; }
 288 span.age { position:relative; float:left; width:142px; font-style:italic; }
 289 div.log_link {
 290         padding:0px 8px;
 291         font-size:10px; font-family:sans-serif; font-style:normal;
 292         position:relative; float:left; width:136px;
 293 }
 294 div.list_head { padding:6px 8px 4px; border:solid #d9d8d1; border-width:1px 0px 0px; font-style:italic; }
 295 a.list { text-decoration:none; color:#000000; }
 296 a.list:hover { text-decoration:underline; color:#880000; }
 297 a.text { text-decoration:none; color:#0000cc; }
 298 a.text:visited { text-decoration:none; color:#880000; }
 299 a.text:hover { text-decoration:underline; color:#880000; }
 300 table { padding:8px 4px; }
 301 th { padding:2px 5px; font-size:12px; text-align:left; }
 302 tr.light:hover { background-color:#edece6; }
 303 tr.dark { background-color:#f6f6f0; }
 304 tr.dark:hover { background-color:#edece6; }
 305 td { padding:2px 5px; font-size:12px; vertical-align:top; }
 306 td.link { padding:2px 5px; font-family:sans-serif; font-size:10px; }
 307 div.pre { font-family:monospace; font-size:12px; white-space:pre; }
 308 div.diff_info { font-family:monospace; color:#000099; background-color:#edece6; font-style:italic; }
 309 div.index_include { border:solid #d9d8d1; border-width:0px 0px 1px; padding:12px 8px; }
 310 div.search { margin:4px 8px; position:absolute; top:56px; right:12px }
 311 a.linenr { color:#999999; text-decoration:none }
 312 a.rss_logo {
 313         float:right; padding:3px 0px; width:35px; line-height:10px;
 314         border:1px solid; border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e;
 315         color:#ffffff; background-color:#ff6600;
 316         font-weight:bold; font-family:sans-serif; font-size:10px;
 317         text-align:center; text-decoration:none;
 318 }
 319 a.rss_logo:hover { background-color:#ee5500; }
 320 span.tag {
 321         padding:0px 4px; font-size:10px; font-weight:normal;
 322         background-color:#ffffaa; border:1px solid; border-color:#ffffcc #ffee00 #ffee00 #ffffcc;
 323 }
 324 </style>
 325 </head>
 326 <body>
 327 EOF
 328         print "<div class=\"page_header\">\n" .
 329               "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 330               "<img src=\"$my_uri?" . esc_param("a=git-logo.png") . "\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 331               "</a>\n";
 332         print $cgi->a({-href => esc_param($home_link)}, "projects") . " / ";
 333         if (defined $project) {
 334                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, esc_html($project));
 335                 if (defined $action) {
 336                         print " / $action";
 337                 }
 338                 print "\n";
 339                 if (!defined $searchtext) {
 340                         $searchtext = "";
 341                 }
 342                 my $search_hash;
 343                 if (defined $hash) {
 344                         $search_hash = $hash;
 345                 } else {
 346                         $search_hash  = "HEAD";
 347                 }
 348                 $cgi->param("a", "search");
 349                 $cgi->param("h", $search_hash);
 350                 print $cgi->startform(-method => "get", -action => $my_uri) .
 351                       "<div class=\"search\">\n" .
 352                       $cgi->hidden(-name => "p") . "\n" .
 353                       $cgi->hidden(-name => "a") . "\n" .
 354                       $cgi->hidden(-name => "h") . "\n" .
 355                       $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 356                       "</div>" .
 357                       $cgi->end_form() . "\n";
 358         }
 359         print "</div>\n";
 360 }
 361
 362 sub git_footer_html {
 363         print "<div class=\"page_footer\">\n";
 364         if (defined $project) {
 365                 my $descr = git_read_description($project);
 366                 if (defined $descr) {
 367                         print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
 368                 }
 369                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=rss"), -class => "rss_logo"}, "RSS") . "\n";
 370         } else {
 371                 print $cgi->a({-href => "$my_uri?" . esc_param("a=opml"), -class => "rss_logo"}, "OPML") . "\n";
 372         }
 373         print "</div>\n" .
 374               "</body>\n" .
 375               "</html>";
 376 }
 377
 378 sub die_error {
 379         my $status = shift || "403 Forbidden";
 380         my $error = shift || "Malformed query, file missing or permission denied";
 381
 382         git_header_html($status);
 383         print "<div class=\"page_body\">\n" .
 384               "<br/><br/>\n" .
 385               "$status - $error\n" .
 386               "<br/>\n" .
 387               "</div>\n";
 388         git_footer_html();
 389         exit;
 390 }
 391
 392 sub git_get_type {
 393         my $hash = shift;
 394
 395         open my $fd, "-|", "$gitbin/git-cat-file -t $hash" or return;
 396         my $type = <$fd>;
 397         close $fd or return;
 398         chomp $type;
 399         return $type;
 400 }
 401
 402 sub git_read_head {
 403         my $project = shift;
 404         my $oENV = $ENV{'GIT_DIR'};
 405         my $retval = undef;
 406         $ENV{'GIT_DIR'} = "$projectroot/$project";
 407         if (open my $fd, "-|", "$gitbin/git-rev-parse", "--verify", "HEAD") {
 408                 my $head = <$fd>;
 409                 close $fd;
 410                 if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 411                         $retval = $1;
 412                 }
 413         }
 414         if (defined $oENV) {
 415                 $ENV{'GIT_DIR'} = $oENV;
 416         }
 417         return $retval;
 418 }
 419
 420 sub git_read_hash {
 421         my $path = shift;
 422
 423         open my $fd, "$projectroot/$path" or return undef;
 424         my $head = <$fd>;
 425         close $fd;
 426         chomp $head;
 427         if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 428                 return $head;
 429         }
 430 }
 431
 432 sub git_read_description {
 433         my $path = shift;
 434
 435         open my $fd, "$projectroot/$path/description" or return undef;
 436         my $descr = <$fd>;
 437         close $fd;
 438         chomp $descr;
 439         return $descr;
 440 }
 441
 442 sub git_read_tag {
 443         my $tag_id = shift;
 444         my %tag;
 445         my @comment;
 446
 447         open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" or return;
 448         $tag{'id'} = $tag_id;
 449         while (my $line = <$fd>) {
 450                 chomp $line;
 451                 if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 452                         $tag{'object'} = $1;
 453                 } elsif ($line =~ m/^type (.+)$/) {
 454                         $tag{'type'} = $1;
 455                 } elsif ($line =~ m/^tag (.+)$/) {
 456                         $tag{'name'} = $1;
 457                 } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 458                         $tag{'author'} = $1;
 459                         $tag{'epoch'} = $2;
 460                         $tag{'tz'} = $3;
 461                 } elsif ($line =~ m/--BEGIN/) {
 462                         push @comment, $line;
 463                         last;
 464                 } elsif ($line eq "") {
 465                         last;
 466                 }
 467         }
 468         push @comment, <$fd>;
 469         $tag{'comment'} = \@comment;
 470         close $fd or return;
 471         if (!defined $tag{'name'}) {
 472                 return
 473         };
 474         return %tag
 475 }
 476
 477 sub age_string {
 478         my $age = shift;
 479         my $age_str;
 480
 481         if ($age > 60*60*24*365*2) {
 482                 $age_str = (int $age/60/60/24/365);
 483                 $age_str .= " years ago";
 484         } elsif ($age > 60*60*24*(365/12)*2) {
 485                 $age_str = int $age/60/60/24/(365/12);
 486                 $age_str .= " months ago";
 487         } elsif ($age > 60*60*24*7*2) {
 488                 $age_str = int $age/60/60/24/7;
 489                 $age_str .= " weeks ago";
 490         } elsif ($age > 60*60*24*2) {
 491                 $age_str = int $age/60/60/24;
 492                 $age_str .= " days ago";
 493         } elsif ($age > 60*60*2) {
 494                 $age_str = int $age/60/60;
 495                 $age_str .= " hours ago";
 496         } elsif ($age > 60*2) {
 497                 $age_str = int $age/60;
 498                 $age_str .= " min ago";
 499         } elsif ($age > 2) {
 500                 $age_str = int $age;
 501                 $age_str .= " sec ago";
 502         } else {
 503                 $age_str .= " right now";
 504         }
 505         return $age_str;
 506 }
 507
 508 sub git_read_commit {
 509         my $commit_id = shift;
 510         my $commit_text = shift;
 511
 512         my @commit_lines;
 513         my %co;
 514
 515         if (defined $commit_text) {
 516                 @commit_lines = @$commit_text;
 517         } else {
 518                 $/ = "\0";
 519                 open my $fd, "-|", "$gitbin/git-rev-list --header --parents --max-count=1 $commit_id" or return;
 520                 @commit_lines = split '\n', <$fd>;
 521                 close $fd or return;
 522                 $/ = "\n";
 523                 pop @commit_lines;
 524         }
 525         my $header = shift @commit_lines;
 526         if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 527                 return;
 528         }
 529         ($co{'id'}, my @parents) = split ' ', $header;
 530         $co{'parents'} = \@parents;
 531         $co{'parent'} = $parents[0];
 532         while (my $line = shift @commit_lines) {
 533                 last if $line eq "\n";
 534                 if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 535                         $co{'tree'} = $1;
 536                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 537                         $co{'author'} = $1;
 538                         $co{'author_epoch'} = $2;
 539                         $co{'author_tz'} = $3;
 540                         if ($co{'author'} =~ m/^([^<]+) </) {
 541                                 $co{'author_name'} = $1;
 542                         } else {
 543                                 $co{'author_name'} = $co{'author'};
 544                         }
 545                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 546                         $co{'committer'} = $1;
 547                         $co{'committer_epoch'} = $2;
 548                         $co{'committer_tz'} = $3;
 549                         $co{'committer_name'} = $co{'committer'};
 550                         $co{'committer_name'} =~ s/ <.*//;
 551                 }
 552         }
 553         if (!defined $co{'tree'}) {
 554                 return;
 555         };
 556
 557         foreach my $title (@commit_lines) {
 558                 $title =~ s/^    //;
 559                 if ($title ne "") {
 560                         $co{'title'} = chop_str($title, 80, 5);
 561                         # remove leading stuff of merges to make the interesting part visible
 562                         if (length($title) > 50) {
 563                                 $title =~ s/^Automatic //;
 564                                 $title =~ s/^merge (of|with) /Merge ... /i;
 565                                 if (length($title) > 50) {
 566                                         $title =~ s/(http|rsync):\/\///;
 567                                 }
 568                                 if (length($title) > 50) {
 569                                         $title =~ s/(master|www|rsync)\.//;
 570                                 }
 571                                 if (length($title) > 50) {
 572                                         $title =~ s/kernel.org:?//;
 573                                 }
 574                                 if (length($title) > 50) {
 575                                         $title =~ s/\/pub\/scm//;
 576                                 }
 577                         }
 578                         $co{'title_short'} = chop_str($title, 50, 5);
 579                         last;
 580                 }
 581         }
 582         # remove added spaces
 583         foreach my $line (@commit_lines) {
 584                 $line =~ s/^    //;
 585         }
 586         $co{'comment'} = \@commit_lines;
 587
 588         my $age = time - $co{'committer_epoch'};
 589         $co{'age'} = $age;
 590         $co{'age_string'} = age_string($age);
 591         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 592         if ($age > 60*60*24*7*2) {
 593                 $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 594                 $co{'age_string_age'} = $co{'age_string'};
 595         } else {
 596                 $co{'age_string_date'} = $co{'age_string'};
 597                 $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 598         }
 599         return %co;
 600 }
 601
 602 sub git_diff_print {
 603         my $from = shift;
 604         my $from_name = shift;
 605         my $to = shift;
 606         my $to_name = shift;
 607         my $format = shift || "html";
 608
 609         my $from_tmp = "/dev/null";
 610         my $to_tmp = "/dev/null";
 611         my $pid = $$;
 612
 613         # create tmp from-file
 614         if (defined $from) {
 615                 $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
 616                 open my $fd2, "> $from_tmp";
 617                 open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 618                 my @file = <$fd>;
 619                 print $fd2 @file;
 620                 close $fd2;
 621                 close $fd;
 622         }
 623
 624         # create tmp to-file
 625         if (defined $to) {
 626                 $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
 627                 open my $fd2, "> $to_tmp";
 628                 open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 629                 my @file = <$fd>;
 630                 print $fd2 @file;
 631                 close $fd2;
 632                 close $fd;
 633         }
 634
 635         open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
 636         if ($format eq "plain") {
 637                 undef $/;
 638                 print <$fd>;
 639                 $/ = "\n";
 640         } else {
 641                 while (my $line = <$fd>) {
 642                         chomp($line);
 643                         my $char = substr($line, 0, 1);
 644                         my $color = "";
 645                         if ($char eq '+') {
 646                                 $color = " style=\"color:#008800;\"";
 647                         } elsif ($char eq "-") {
 648                                 $color = " style=\"color:#cc0000;\"";
 649                         } elsif ($char eq "@") {
 650                                 $color = " style=\"color:#990099;\"";
 651                         } elsif ($char eq "\\") {
 652                                 # skip errors
 653                                 next;
 654                         }
 655                         while ((my $pos = index($line, "\t")) != -1) {
 656                                 if (my $count = (8 - (($pos-1) % 8))) {
 657                                         my $spaces = ' ' x $count;
 658                                         $line =~ s/\t/$spaces/;
 659                                 }
 660                         }
 661                         print "<div class=\"pre\"$color>" . esc_html($line) . "</div>\n";
 662                 }
 663         }
 664         close $fd;
 665
 666         if (defined $from) {
 667                 unlink($from_tmp);
 668         }
 669         if (defined $to) {
 670                 unlink($to_tmp);
 671         }
 672 }
 673
 674 sub mode_str {
 675         my $mode = oct shift;
 676
 677         if (S_ISDIR($mode & S_IFMT)) {
 678                 return 'drwxr-xr-x';
 679         } elsif (S_ISLNK($mode)) {
 680                 return 'lrwxrwxrwx';
 681         } elsif (S_ISREG($mode)) {
 682                 # git cares only about the executable bit
 683                 if ($mode & S_IXUSR) {
 684                         return '-rwxr-xr-x';
 685                 } else {
 686                         return '-rw-r--r--';
 687                 };
 688         } else {
 689                 return '----------';
 690         }
 691 }
 692
 693 sub chop_str {
 694         my $str = shift;
 695         my $len = shift;
 696         my $add_len = shift || 10;
 697
 698         # allow only $len chars, but don't cut a word if it would fit in $add_len
 699         # if it doesn't fit, cut it if it's still longer than the dots we would add
 700         $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 701         my $body = $1;
 702         my $tail = $2;
 703         if (length($tail) > 4) {
 704                 $tail = " ...";
 705         }
 706         return "$body$tail";
 707 }
 708
 709 sub file_type {
 710         my $mode = oct shift;
 711
 712         if (S_ISDIR($mode & S_IFMT)) {
 713                 return "directory";
 714         } elsif (S_ISLNK($mode)) {
 715                 return "symlink";
 716         } elsif (S_ISREG($mode)) {
 717                 return "file";
 718         } else {
 719                 return "unknown";
 720         }
 721 }
 722
 723 sub format_log_line_html {
 724         my $line = shift;
 725
 726         $line = esc_html($line);
 727         $line =~ s/ /&nbsp;/g;
 728         if ($line =~ m/([0-9a-fA-F]{40})/) {
 729                 my $hash_text = $1;
 730                 if (git_get_type($hash_text) eq "commit") {
 731                         my $link = $cgi->a({-class => "text", -href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_text")}, $hash_text);
 732                         $line =~ s/$hash_text/$link/;
 733                 }
 734         }
 735         return $line;
 736 }
 737
 738 sub date_str {
 739         my $epoch = shift;
 740         my $tz = shift || "-0000";
 741
 742         my %date;
 743         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 744         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 745         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 746         $date{'hour'} = $hour;
 747         $date{'minute'} = $min;
 748         $date{'mday'} = $mday;
 749         $date{'day'} = $days[$wday];
 750         $date{'month'} = $months[$mon];
 751         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 752         $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 753
 754         $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 755         my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 756         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 757         $date{'hour_local'} = $hour;
 758         $date{'minute_local'} = $min;
 759         $date{'tz_local'} = $tz;
 760         return %date;
 761 }
 762
 763 # git-logo (cached in browser for one day)
 764 sub git_logo {
 765         binmode STDOUT, ':raw';
 766         print $cgi->header(-type => 'image/png', -expires => '+1d');
 767         # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 768         print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 769                 "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 770                 "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 771                 "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 772                 "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 773                 "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 774                 "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 775                 "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 776                 "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 777                 "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 778                 "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 779                 "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 780                 "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 781 }
 782
 783 sub get_file_owner {
 784         my $path = shift;
 785
 786         my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 787         my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 788         if (!defined $gcos) {
 789                 return undef;
 790         }
 791         my $owner = $gcos;
 792         $owner =~ s/[,;].*$//;
 793         return decode("utf8", $owner, Encode::FB_DEFAULT);
 794 }
 795
 796 sub git_read_projects {
 797         my @list;
 798
 799         if (-d $projects_list) {
 800                 # search in directory
 801                 my $dir = $projects_list;
 802                 opendir my $dh, $dir or return undef;
 803                 while (my $dir = readdir($dh)) {
 804                         if (-e "$projectroot/$dir/HEAD") {
 805                                 my $pr = {
 806                                         path => $dir,
 807                                 };
 808                                 push @list, $pr
 809                         }
 810                 }
 811                 closedir($dh);
 812         } elsif (-f $projects_list) {
 813                 # read from file(url-encoded):
 814                 # 'git%2Fgit.git Linus+Torvalds'
 815                 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 816                 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 817                 open my $fd , $projects_list or return undef;
 818                 while (my $line = <$fd>) {
 819                         chomp $line;
 820                         my ($path, $owner) = split ' ', $line;
 821                         $path = unescape($path);
 822                         $owner = unescape($owner);
 823                         if (!defined $path) {
 824                                 next;
 825                         }
 826                         if (-e "$projectroot/$path/HEAD") {
 827                                 my $pr = {
 828                                         path => $path,
 829                                         owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 830                                 };
 831                                 push @list, $pr
 832                         }
 833                 }
 834                 close $fd;
 835         }
 836         @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 837         return @list;
 838 }
 839
 840 sub git_get_project_config {
 841         my $key = shift;
 842
 843         return unless ($key);
 844         $key =~ s/^gitweb\.//;
 845         return if ($key =~ m/\W/);
 846
 847         my $val = qx(git-repo-config --get gitweb.$key);
 848         return ($val);
 849 }
 850
 851 sub git_get_project_config_bool {
 852         my $val = git_get_project_config (@_);
 853         if ($val and $val =~ m/true|yes|on/) {
 854                 return (1);
 855         }
 856         return; # implicit false
 857 }
 858
 859 sub git_project_list {
 860         my @list = git_read_projects();
 861         my @projects;
 862         if (!@list) {
 863                 die_error(undef, "No project found.");
 864         }
 865         foreach my $pr (@list) {
 866                 my $head = git_read_head($pr->{'path'});
 867                 if (!defined $head) {
 868                         next;
 869                 }
 870                 $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
 871                 my %co = git_read_commit($head);
 872                 if (!%co) {
 873                         next;
 874                 }
 875                 $pr->{'commit'} = \%co;
 876                 if (!defined $pr->{'descr'}) {
 877                         my $descr = git_read_description($pr->{'path'}) || "";
 878                         $pr->{'descr'} = chop_str($descr, 25, 5);
 879                 }
 880                 if (!defined $pr->{'owner'}) {
 881                         $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
 882                 }
 883                 push @projects, $pr;
 884         }
 885         git_header_html();
 886         if (-f $home_text) {
 887                 print "<div class=\"index_include\">\n";
 888                 open (my $fd, $home_text);
 889                 print <$fd>;
 890                 close $fd;
 891                 print "</div>\n";
 892         }
 893         print "<table cellspacing=\"0\">\n" .
 894               "<tr>\n";
 895         if (!defined($order) || (defined($order) && ($order eq "project"))) {
 896                 @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
 897                 print "<th>Project</th>\n";
 898         } else {
 899                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=project")}, "Project") . "</th>\n";
 900         }
 901         if (defined($order) && ($order eq "descr")) {
 902                 @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
 903                 print "<th>Description</th>\n";
 904         } else {
 905                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=descr")}, "Description") . "</th>\n";
 906         }
 907         if (defined($order) && ($order eq "owner")) {
 908                 @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
 909                 print "<th>Owner</th>\n";
 910         } else {
 911                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=owner")}, "Owner") . "</th>\n";
 912         }
 913         if (defined($order) && ($order eq "age")) {
 914                 @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
 915                 print "<th>Last Change</th>\n";
 916         } else {
 917                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=age")}, "Last Change") . "</th>\n";
 918         }
 919         print "<th></th>\n" .
 920               "</tr>\n";
 921         my $alternate = 0;
 922         foreach my $pr (@projects) {
 923                 if ($alternate) {
 924                         print "<tr class=\"dark\">\n";
 925                 } else {
 926                         print "<tr class=\"light\">\n";
 927                 }
 928                 $alternate ^= 1;
 929                 print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary"), -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
 930                       "<td>$pr->{'descr'}</td>\n" .
 931                       "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
 932                 my $colored_age;
 933                 if ($pr->{'commit'}{'age'} < 60*60*2) {
 934                         $colored_age = "<span style =\"color: #009900;\"><b><i>$pr->{'commit'}{'age_string'}</i></b></span>";
 935                 } elsif ($pr->{'commit'}{'age'} < 60*60*24*2) {
 936                         $colored_age = "<span style =\"color: #009900;\"><i>$pr->{'commit'}{'age_string'}</i></span>";
 937                 } else {
 938                         $colored_age = "<i>$pr->{'commit'}{'age_string'}</i>";
 939                 }
 940                 print "<td>$colored_age</td>\n" .
 941                       "<td class=\"link\">" .
 942                       $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary")}, "summary") .
 943                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=shortlog")}, "shortlog") .
 944                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=log")}, "log") .
 945                       "</td>\n" .
 946                       "</tr>\n";
 947         }
 948         print "</table>\n";
 949         git_footer_html();
 950 }
 951
 952 sub read_info_ref {
 953         my $type = shift || "";
 954         my %refs;
 955         # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 956         # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 957         open my $fd, "$projectroot/$project/info/refs" or return;
 958         while (my $line = <$fd>) {
 959                 chomp($line);
 960                 if ($line =~ m/^([0-9a-fA-F]{40})\t.*$type\/([^\^]+)/) {
 961                         if (defined $refs{$1}) {
 962                                 $refs{$1} .= " / $2";
 963                         } else {
 964                                 $refs{$1} = $2;
 965                         }
 966                 }
 967         }
 968         close $fd or return;
 969         return \%refs;
 970 }
 971
 972 sub git_read_refs {
 973         my $ref_dir = shift;
 974         my @reflist;
 975
 976         my @refs;
 977         opendir my $dh, "$projectroot/$project/$ref_dir";
 978         while (my $dir = readdir($dh)) {
 979                 if ($dir =~ m/^\./) {
 980                         next;
 981                 }
 982                 if (-d "$projectroot/$project/$ref_dir/$dir") {
 983                         opendir my $dh2, "$projectroot/$project/$ref_dir/$dir";
 984                         my @subdirs = grep !m/^\./, readdir $dh2;
 985                         closedir($dh2);
 986                         foreach my $subdir (@subdirs) {
 987                                 push @refs, "$dir/$subdir"
 988                         }
 989                         next;
 990                 }
 991                 push @refs, $dir;
 992         }
 993         closedir($dh);
 994         foreach my $ref_file (@refs) {
 995                 my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 996                 my $type = git_get_type($ref_id) || next;
 997                 my %ref_item;
 998                 my %co;
 999                 $ref_item{'type'} = $type;
1000                 $ref_item{'id'} = $ref_id;
1001                 $ref_item{'epoch'} = 0;
1002                 $ref_item{'age'} = "unknown";
1003                 if ($type eq "tag") {
1004                         my %tag = git_read_tag($ref_id);
1005                         $ref_item{'comment'} = $tag{'comment'};
1006                         if ($tag{'type'} eq "commit") {
1007                                 %co = git_read_commit($tag{'object'});
1008                                 $ref_item{'epoch'} = $co{'committer_epoch'};
1009                                 $ref_item{'age'} = $co{'age_string'};
1010                         } elsif (defined($tag{'epoch'})) {
1011                                 my $age = time - $tag{'epoch'};
1012                                 $ref_item{'epoch'} = $tag{'epoch'};
1013                                 $ref_item{'age'} = age_string($age);
1014                         }
1015                         $ref_item{'reftype'} = $tag{'type'};
1016                         $ref_item{'name'} = $tag{'name'};
1017                         $ref_item{'refid'} = $tag{'object'};
1018                 } elsif ($type eq "commit"){
1019                         %co = git_read_commit($ref_id);
1020                         $ref_item{'reftype'} = "commit";
1021                         $ref_item{'name'} = $ref_file;
1022                         $ref_item{'title'} = $co{'title'};
1023                         $ref_item{'refid'} = $ref_id;
1024                         $ref_item{'epoch'} = $co{'committer_epoch'};
1025                         $ref_item{'age'} = $co{'age_string'};
1026                 }
1027
1028                 push @reflist, \%ref_item;
1029         }
1030         # sort tags by age
1031         @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1032         return \@reflist;
1033 }
1034
1035 sub git_summary {
1036         my $descr = git_read_description($project) || "none";
1037         my $head = git_read_head($project);
1038         my %co = git_read_commit($head);
1039         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1040
1041         my $owner;
1042         if (-f $projects_list) {
1043                 open (my $fd , $projects_list);
1044                 while (my $line = <$fd>) {
1045                         chomp $line;
1046                         my ($pr, $ow) = split ' ', $line;
1047                         $pr = unescape($pr);
1048                         $ow = unescape($ow);
1049                         if ($pr eq $project) {
1050                                 $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
1051                                 last;
1052                         }
1053                 }
1054                 close $fd;
1055         }
1056         if (!defined $owner) {
1057                 $owner = get_file_owner("$projectroot/$project");
1058         }
1059
1060         my $refs = read_info_ref();
1061         git_header_html();
1062         print "<div class=\"page_nav\">\n" .
1063               "summary".
1064               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1065               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1066               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1067               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1068               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree")}, "tree") .
1069               "<br/><br/>\n" .
1070               "</div>\n";
1071         print "<div class=\"title\">&nbsp;</div>\n";
1072         print "<table cellspacing=\"0\">\n" .
1073               "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
1074               "<tr><td>owner</td><td>$owner</td></tr>\n" .
1075               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
1076               "</table>\n";
1077         open my $fd, "-|", "$gitbin/git-rev-list --max-count=17 " . git_read_head($project) or die_error(undef, "Open failed.");
1078         my (@revlist) = map { chomp; $_ } <$fd>;
1079         close $fd;
1080         print "<div>\n" .
1081               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog"), -class => "title"}, "shortlog") .
1082               "</div>\n";
1083         my $i = 16;
1084         print "<table cellspacing=\"0\">\n";
1085         my $alternate = 0;
1086         foreach my $commit (@revlist) {
1087                 my %co = git_read_commit($commit);
1088                 my %ad = date_str($co{'author_epoch'});
1089                 if ($alternate) {
1090                         print "<tr class=\"dark\">\n";
1091                 } else {
1092                         print "<tr class=\"light\">\n";
1093                 }
1094                 $alternate ^= 1;
1095                 if ($i-- > 0) {
1096                         my $ref = "";
1097                         if (defined $refs->{$commit}) {
1098                                 $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
1099                         }
1100                         print "<td><i>$co{'age_string'}</i></td>\n" .
1101                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1102                               "<td>";
1103                         if (length($co{'title_short'}) < length($co{'title'})) {
1104                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
1105                                       "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
1106                         } else {
1107                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
1108                                       "<b>" . esc_html($co{'title'}) . "$ref</b>");
1109                         }
1110                         print "</td>\n" .
1111                               "<td class=\"link\">" .
1112                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1113                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1114                               "</td>\n" .
1115                               "</tr>";
1116                 } else {
1117                         print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "...") . "</td>\n" .
1118                         "</tr>";
1119                         last;
1120                 }
1121         }
1122         print "</table\n>";
1123
1124         my $taglist = git_read_refs("refs/tags");
1125         if (defined @$taglist) {
1126                 print "<div>\n" .
1127                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags"), -class => "title"}, "tags") .
1128                       "</div>\n";
1129                 my $i = 16;
1130                 print "<table cellspacing=\"0\">\n";
1131                 my $alternate = 0;
1132                 foreach my $entry (@$taglist) {
1133                         my %tag = %$entry;
1134                         my $comment_lines = $tag{'comment'};
1135                         my $comment = shift @$comment_lines;
1136                         if (defined($comment)) {
1137                                 $comment = chop_str($comment, 30, 5);
1138                         }
1139                         if ($alternate) {
1140                                 print "<tr class=\"dark\">\n";
1141                         } else {
1142                                 print "<tr class=\"light\">\n";
1143                         }
1144                         $alternate ^= 1;
1145                         if ($i-- > 0) {
1146                                 print "<td><i>$tag{'age'}</i></td>\n" .
1147                                       "<td>" .
1148                                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1149                                       "<b>" . esc_html($tag{'name'}) . "</b>") .
1150                                       "</td>\n" .
1151                                       "<td>";
1152                                 if (defined($comment)) {
1153                                       print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
1154                                 }
1155                                 print "</td>\n" .
1156                                       "<td class=\"link\">";
1157                                 if ($tag{'type'} eq "tag") {
1158                                       print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1159                                 }
1160                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1161                                 if ($tag{'reftype'} eq "commit") {
1162                                       print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1163                                             " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1164                                 }
1165                                 print "</td>\n" .
1166                                       "</tr>";
1167                         } else {
1168                                 print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags")}, "...") . "</td>\n" .
1169                                 "</tr>";
1170                                 last;
1171                         }
1172                 }
1173                 print "</table\n>";
1174         }
1175
1176         my $headlist = git_read_refs("refs/heads");
1177         if (defined @$headlist) {
1178                 print "<div>\n" .
1179                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads"), -class => "title"}, "heads") .
1180                       "</div>\n";
1181                 my $i = 16;
1182                 print "<table cellspacing=\"0\">\n";
1183                 my $alternate = 0;
1184                 foreach my $entry (@$headlist) {
1185                         my %tag = %$entry;
1186                         if ($alternate) {
1187                                 print "<tr class=\"dark\">\n";
1188                         } else {
1189                                 print "<tr class=\"light\">\n";
1190                         }
1191                         $alternate ^= 1;
1192                         if ($i-- > 0) {
1193                                 print "<td><i>$tag{'age'}</i></td>\n" .
1194                                       "<td>" .
1195                                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"},
1196                                       "<b>" . esc_html($tag{'name'}) . "</b>") .
1197                                       "</td>\n" .
1198                                       "<td class=\"link\">" .
1199                                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1200                                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1201                                       "</td>\n" .
1202                                       "</tr>";
1203                         } else {
1204                                 print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads")}, "...") . "</td>\n" .
1205                                 "</tr>";
1206                                 last;
1207                         }
1208                 }
1209                 print "</table\n>";
1210         }
1211         git_footer_html();
1212 }
1213
1214 sub git_tag {
1215         my $head = git_read_head($project);
1216         git_header_html();
1217         print "<div class=\"page_nav\">\n" .
1218               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1219               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1220               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1221               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1222               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1223               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1224               "<br/>\n" .
1225               "</div>\n";
1226         my %tag = git_read_tag($hash);
1227         print "<div>\n" .
1228               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($tag{'name'})) . "\n" .
1229               "</div>\n";
1230         print "<div class=\"title_text\">\n" .
1231               "<table cellspacing=\"0\">\n" .
1232               "<tr>\n" .
1233               "<td>object</td>\n" .
1234               "<td>" . $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'object'}) . "</td>\n" .
1235               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'type'}) . "</td>\n" .
1236               "</tr>\n";
1237         if (defined($tag{'author'})) {
1238                 my %ad = date_str($tag{'epoch'}, $tag{'tz'});
1239                 print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
1240                 print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1241         }
1242         print "</table>\n\n" .
1243               "</div>\n";
1244         print "<div class=\"page_body\">";
1245         my $comment = $tag{'comment'};
1246         foreach my $line (@$comment) {
1247                 print esc_html($line) . "<br/>\n";
1248         }
1249         print "</div>\n";
1250         git_footer_html();
1251 }
1252
1253 sub git_blame {
1254         my $fd;
1255         die_error('403 Permission denied', "Permission denied.") if (!git_get_project_config_bool ('blame'));
1256         die_error('404 Not Found', "What file will it be, master?") if (!$file_name);
1257         $hash_base ||= git_read_head($project);
1258         die_error(undef, "Reading commit failed.") unless ($hash_base);
1259         my %co = git_read_commit($hash_base)
1260                 or die_error(undef, "Reading commit failed.");
1261         if (!defined $hash) {
1262                 $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1263                         or die_error(undef, "Error lookup file.");
1264         }
1265         open ($fd, "-|", "$gitbin/git-annotate", '-l', '-t', '-r', $file_name, $hash_base)
1266                 or die_error(undef, "Open failed.");
1267         git_header_html();
1268         print "<div class=\"page_nav\">\n" .
1269                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1270                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1271                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1272                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1273                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1274                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
1275         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1276                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head") . "<br/>\n";
1277         print "</div>\n".
1278                 "<div>" .
1279                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1280                 "</div>\n";
1281         print "<div class=\"page_path\"><b>" . esc_html($file_name) . "</b></div>\n";
1282         print "<div class=\"page_body\">\n";
1283         print <<HTML;
1284 <table style="border-collapse: collapse;">
1285   <tr>
1286     <th>Commit</th>
1287     <th>Age</th>
1288     <th>Author</th>
1289     <th>Line</th>
1290     <th>Data</th>
1291   </tr>
1292 HTML
1293         my @line_class = (qw(light dark));
1294         my $line_class_len = scalar (@line_class);
1295         my $line_class_num = $#line_class;
1296         while (my $line = <$fd>) {
1297                 my $long_rev;
1298                 my $short_rev;
1299                 my $author;
1300                 my $time;
1301                 my $lineno;
1302                 my $data;
1303                 my $age;
1304                 my $age_str;
1305                 my $age_style;
1306
1307                 chomp $line;
1308                 $line_class_num = ($line_class_num + 1) % $line_class_len;
1309
1310                 if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
1311                         $long_rev = $1;
1312                         $author   = $2;
1313                         $time     = $3;
1314                         $lineno   = $4;
1315                         $data     = $5;
1316                 } else {
1317                         print qq(  <tr><td colspan="5" style="color: red; background-color: yellow;">Unable to parse: $line</td></tr>\n);
1318                         next;
1319                 }
1320                 $short_rev  = substr ($long_rev, 0, 8);
1321                 $age        = time () - $time;
1322                 $age_str    = age_string ($age);
1323                 $age_str    =~ s/ /&nbsp;/g;
1324                 $age_style  = 'font-style: italic;';
1325                 $age_style .= ' color: #009900; background: transparent;' if ($age < 60*60*24*2);
1326                 $age_style .= ' font-weight: bold;' if ($age < 60*60*2);
1327                 $author     = esc_html ($author);
1328                 $author     =~ s/ /&nbsp;/g;
1329                 # escape tabs
1330                 while ((my $pos = index($data, "\t")) != -1) {
1331                         if (my $count = (8 - ($pos % 8))) {
1332                                 my $spaces = ' ' x $count;
1333                                 $data =~ s/\t/$spaces/;
1334                         }
1335                 }
1336                 $data = esc_html ($data);
1337                 $data =~ s/ /&nbsp;/g;
1338
1339                 print <<HTML;
1340   <tr class="$line_class[$line_class_num]">
1341     <td style="font-family: monospace;"><a href="$my_uri?${\esc_param ("p=$project;a=commit;h=$long_rev")}" class="text">$short_rev..</a></td>
1342     <td style="$age_style">$age_str</td>
1343     <td>$author</td>
1344     <td style="text-align: right;"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
1345     <td style="font-family: monospace;">$data</td>
1346   </tr>
1347 HTML
1348         } # while (my $line = <$fd>)
1349         print "</table>\n\n";
1350         close $fd or print "Reading blob failed.\n";
1351         print "</div>";
1352         git_footer_html();
1353 }
1354
1355 sub git_tags {
1356         my $head = git_read_head($project);
1357         git_header_html();
1358         print "<div class=\"page_nav\">\n" .
1359               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1360               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1361               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1362               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1363               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1364               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1365               "<br/>\n" .
1366               "</div>\n";
1367         my $taglist = git_read_refs("refs/tags");
1368         print "<div>\n" .
1369               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1370               "</div>\n";
1371         print "<table cellspacing=\"0\">\n";
1372         my $alternate = 0;
1373         if (defined @$taglist) {
1374                 foreach my $entry (@$taglist) {
1375                         my %tag = %$entry;
1376                         my $comment_lines = $tag{'comment'};
1377                         my $comment = shift @$comment_lines;
1378                         if (defined($comment)) {
1379                                 $comment = chop_str($comment, 30, 5);
1380                         }
1381                         if ($alternate) {
1382                                 print "<tr class=\"dark\">\n";
1383                         } else {
1384                                 print "<tr class=\"light\">\n";
1385                         }
1386                         $alternate ^= 1;
1387                         print "<td><i>$tag{'age'}</i></td>\n" .
1388                               "<td>" .
1389                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1390                               "<b>" . esc_html($tag{'name'}) . "</b>") .
1391                               "</td>\n" .
1392                               "<td>";
1393                         if (defined($comment)) {
1394                               print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
1395                         }
1396                         print "</td>\n" .
1397                               "<td class=\"link\">";
1398                         if ($tag{'type'} eq "tag") {
1399                               print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1400                         }
1401                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1402                         if ($tag{'reftype'} eq "commit") {
1403                               print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1404                                     " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1405                         }
1406                         print "</td>\n" .
1407                               "</tr>";
1408                 }
1409         }
1410         print "</table\n>";
1411         git_footer_html();
1412 }
1413
1414 sub git_heads {
1415         my $head = git_read_head($project);
1416         git_header_html();
1417         print "<div class=\"page_nav\">\n" .
1418               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1419               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1420               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1421               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1422               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1423               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1424               "<br/>\n" .
1425               "</div>\n";
1426         my $taglist = git_read_refs("refs/heads");
1427         print "<div>\n" .
1428               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1429               "</div>\n";
1430         print "<table cellspacing=\"0\">\n";
1431         my $alternate = 0;
1432         if (defined @$taglist) {
1433                 foreach my $entry (@$taglist) {
1434                         my %tag = %$entry;
1435                         if ($alternate) {
1436                                 print "<tr class=\"dark\">\n";
1437                         } else {
1438                                 print "<tr class=\"light\">\n";
1439                         }
1440                         $alternate ^= 1;
1441                         print "<td><i>$tag{'age'}</i></td>\n" .
1442                               "<td>" .
1443                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1444                               "</td>\n" .
1445                               "<td class=\"link\">" .
1446                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1447                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1448                               "</td>\n" .
1449                               "</tr>";
1450                 }
1451         }
1452         print "</table\n>";
1453         git_footer_html();
1454 }
1455
1456 sub git_get_hash_by_path {
1457         my $base = shift;
1458         my $path = shift || return undef;
1459
1460         my $tree = $base;
1461         my @parts = split '/', $path;
1462         while (my $part = shift @parts) {
1463                 open my $fd, "-|", "$gitbin/git-ls-tree $tree" or die_error(undef, "Open git-ls-tree failed.");
1464                 my (@entries) = map { chomp; $_ } <$fd>;
1465                 close $fd or return undef;
1466                 foreach my $line (@entries) {
1467                         #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1468                         $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1469                         my $t_mode = $1;
1470                         my $t_type = $2;
1471                         my $t_hash = $3;
1472                         my $t_name = validate_input(unquote($4));
1473                         if ($t_name eq $part) {
1474                                 if (!(@parts)) {
1475                                         return $t_hash;
1476                                 }
1477                                 if ($t_type eq "tree") {
1478                                         $tree = $t_hash;
1479                                 }
1480                                 last;
1481                         }
1482                 }
1483         }
1484 }
1485
1486 sub git_blob {
1487         if (!defined $hash && defined $file_name) {
1488                 my $base = $hash_base || git_read_head($project);
1489                 $hash = git_get_hash_by_path($base, $file_name, "blob") || die_error(undef, "Error lookup file.");
1490         }
1491         my $have_blame = git_get_project_config_bool ('blame');
1492         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or die_error(undef, "Open failed.");
1493         git_header_html();
1494         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1495                 print "<div class=\"page_nav\">\n" .
1496                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1497                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1498                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1499                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1500                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1501                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
1502                 if (defined $file_name) {
1503                         if ($have_blame) {
1504                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$hash;hb=$hash_base;f=$file_name")}, "blame") .  " | ";
1505                         }
1506                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") .
1507                         " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=HEAD;f=$file_name")}, "head") . "<br/>\n";
1508                 } else {
1509                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash")}, "plain") . "<br/>\n";
1510                 }
1511                 print "</div>\n".
1512                        "<div>" .
1513                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1514                       "</div>\n";
1515         } else {
1516                 print "<div class=\"page_nav\">\n" .
1517                       "<br/><br/></div>\n" .
1518                       "<div class=\"title\">$hash</div>\n";
1519         }
1520         if (defined $file_name) {
1521                 print "<div class=\"page_path\"><b>" . esc_html($file_name) . "</b></div>\n";
1522         }
1523         print "<div class=\"page_body\">\n";
1524         my $nr;
1525         while (my $line = <$fd>) {
1526                 chomp $line;
1527                 $nr++;
1528                 while ((my $pos = index($line, "\t")) != -1) {
1529                         if (my $count = (8 - ($pos % 8))) {
1530                                 my $spaces = ' ' x $count;
1531                                 $line =~ s/\t/$spaces/;
1532                         }
1533                 }
1534                 printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
1535         }
1536         close $fd or print "Reading blob failed.\n";
1537         print "</div>";
1538         git_footer_html();
1539 }
1540
1541 sub git_blob_plain {
1542         my $save_as = "$hash.txt";
1543         if (defined $file_name) {
1544                 $save_as = $file_name;
1545         }
1546         print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"$save_as\"");
1547         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or return;
1548         undef $/;
1549         print <$fd>;
1550         $/ = "\n";
1551         close $fd;
1552 }
1553
1554 sub git_tree {
1555         if (!defined $hash) {
1556                 $hash = git_read_head($project);
1557                 if (defined $file_name) {
1558                         my $base = $hash_base || $hash;
1559                         $hash = git_get_hash_by_path($base, $file_name, "tree");
1560                 }
1561                 if (!defined $hash_base) {
1562                         $hash_base = $hash;
1563                 }
1564         }
1565         $/ = "\0";
1566         open my $fd, "-|", "$gitbin/git-ls-tree -z $hash" or die_error(undef, "Open git-ls-tree failed.");
1567         chomp (my (@entries) = <$fd>);
1568         close $fd or die_error(undef, "Reading tree failed.");
1569         $/ = "\n";
1570
1571         my $refs = read_info_ref();
1572         my $ref = "";
1573         if (defined $refs->{$hash_base}) {
1574                 $ref = " <span class=\"tag\">" . esc_html($refs->{$hash_base}) . "</span>";
1575         }
1576         git_header_html();
1577         my $base_key = "";
1578         my $base = "";
1579         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1580                 $base_key = ";hb=$hash_base";
1581                 print "<div class=\"page_nav\">\n" .
1582                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1583                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash_base")}, "shortlog") .
1584                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash_base")}, "log") .
1585                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1586                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1587                       " | tree" .
1588                       "<br/><br/>\n" .
1589                       "</div>\n";
1590                 print "<div>\n" .
1591                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
1592                       "</div>\n";
1593         } else {
1594                 print "<div class=\"page_nav\">\n";
1595                 print "<br/><br/></div>\n";
1596                 print "<div class=\"title\">$hash</div>\n";
1597         }
1598         if (defined $file_name) {
1599                 $base = esc_html("$file_name/");
1600                 print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b></div>\n";
1601         } else {
1602                 print "<div class=\"page_path\"><b>/</b></div>\n";
1603         }
1604         print "<div class=\"page_body\">\n";
1605         print "<table cellspacing=\"0\">\n";
1606         my $alternate = 0;
1607         foreach my $line (@entries) {
1608                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1609                 $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1610                 my $t_mode = $1;
1611                 my $t_type = $2;
1612                 my $t_hash = $3;
1613                 my $t_name = validate_input($4);
1614                 if ($alternate) {
1615                         print "<tr class=\"dark\">\n";
1616                 } else {
1617                         print "<tr class=\"light\">\n";
1618                 }
1619                 $alternate ^= 1;
1620                 print "<td style=\"font-family:monospace\">" . mode_str($t_mode) . "</td>\n";
1621                 if ($t_type eq "blob") {
1622                         print "<td class=\"list\">" .
1623                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name"), -class => "list"}, esc_html($t_name)) .
1624                               "</td>\n" .
1625                               "<td class=\"link\">" .
1626                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name")}, "blob") .
1627 #                             " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$t_hash$base_key;f=$base$t_name")}, "blame") .
1628                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash_base;f=$base$t_name")}, "history") .
1629                               "</td>\n";
1630                 } elsif ($t_type eq "tree") {
1631                         print "<td class=\"list\">" .
1632                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, esc_html($t_name)) .
1633                               "</td>\n" .
1634                               "<td class=\"link\">" .
1635                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, "tree") .
1636                               "</td>\n";
1637                 }
1638                 print "</tr>\n";
1639         }
1640         print "</table>\n" .
1641               "</div>";
1642         git_footer_html();
1643 }
1644
1645 sub git_rss {
1646         # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
1647         open my $fd, "-|", "$gitbin/git-rev-list --max-count=150 " . git_read_head($project) or die_error(undef, "Open failed.");
1648         my (@revlist) = map { chomp; $_ } <$fd>;
1649         close $fd or die_error(undef, "Reading rev-list failed.");
1650         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1651         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1652               "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
1653         print "<channel>\n";
1654         print "<title>$project</title>\n".
1655               "<link>" . esc_html("$my_url?p=$project;a=summary") . "</link>\n".
1656               "<description>$project log</description>\n".
1657               "<language>en</language>\n";
1658
1659         for (my $i = 0; $i <= $#revlist; $i++) {
1660                 my $commit = $revlist[$i];
1661                 my %co = git_read_commit($commit);
1662                 # we read 150, we always show 30 and the ones more recent than 48 hours
1663                 if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
1664                         last;
1665                 }
1666                 my %cd = date_str($co{'committer_epoch'});
1667                 open $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $co{'id'}" or next;
1668                 my @difftree = map { chomp; $_ } <$fd>;
1669                 close $fd or next;
1670                 print "<item>\n" .
1671                       "<title>" .
1672                       sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
1673                       "</title>\n" .
1674                       "<author>" . esc_html($co{'author'}) . "</author>\n" .
1675                       "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
1676                       "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
1677                       "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
1678                       "<description>" . esc_html($co{'title'}) . "</description>\n" .
1679                       "<content:encoded>" .
1680                       "<![CDATA[\n";
1681                 my $comment = $co{'comment'};
1682                 foreach my $line (@$comment) {
1683                         $line = decode("utf8", $line, Encode::FB_DEFAULT);
1684                         print "$line<br/>\n";
1685                 }
1686                 print "<br/>\n";
1687                 foreach my $line (@difftree) {
1688                         if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1689                                 next;
1690                         }
1691                         my $file = validate_input(unquote($7));
1692                         $file = decode("utf8", $file, Encode::FB_DEFAULT);
1693                         print "$file<br/>\n";
1694                 }
1695                 print "]]>\n" .
1696                       "</content:encoded>\n" .
1697                       "</item>\n";
1698         }
1699         print "</channel></rss>";
1700 }
1701
1702 sub git_opml {
1703         my @list = git_read_projects();
1704
1705         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1706         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1707               "<opml version=\"1.0\">\n".
1708               "<head>".
1709               "  <title>Git OPML Export</title>\n".
1710               "</head>\n".
1711               "<body>\n".
1712               "<outline text=\"git RSS feeds\">\n";
1713
1714         foreach my $pr (@list) {
1715                 my %proj = %$pr;
1716                 my $head = git_read_head($proj{'path'});
1717                 if (!defined $head) {
1718                         next;
1719                 }
1720                 $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
1721                 my %co = git_read_commit($head);
1722                 if (!%co) {
1723                         next;
1724                 }
1725
1726                 my $path = esc_html(chop_str($proj{'path'}, 25, 5));
1727                 my $rss =  "$my_url?p=$proj{'path'};a=rss";
1728                 my $html =  "$my_url?p=$proj{'path'};a=summary";
1729                 print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
1730         }
1731         print "</outline>\n".
1732               "</body>\n".
1733               "</opml>\n";
1734 }
1735
1736 sub git_log {
1737         my $head = git_read_head($project);
1738         if (!defined $hash) {
1739                 $hash = $head;
1740         }
1741         if (!defined $page) {
1742                 $page = 0;
1743         }
1744         my $refs = read_info_ref();
1745         git_header_html();
1746         print "<div class=\"page_nav\">\n";
1747         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1748               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
1749               " | log" .
1750               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
1751               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
1752               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
1753
1754         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1755         open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
1756         my (@revlist) = map { chomp; $_ } <$fd>;
1757         close $fd;
1758
1759         if ($hash ne $head || $page) {
1760                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "HEAD");
1761         } else {
1762                 print "HEAD";
1763         }
1764         if ($page > 0) {
1765                 print " &sdot; " .
1766                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
1767         } else {
1768                 print " &sdot; prev";
1769         }
1770         if ($#revlist >= (100 * ($page+1)-1)) {
1771                 print " &sdot; " .
1772                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
1773         } else {
1774                 print " &sdot; next";
1775         }
1776         print "<br/>\n" .
1777               "</div>\n";
1778         if (!@revlist) {
1779                 print "<div>\n" .
1780                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1781                       "</div>\n";
1782                 my %co = git_read_commit($hash);
1783                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1784         }
1785         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1786                 my $commit = $revlist[$i];
1787                 my $ref = "";
1788                 if (defined $refs->{$commit}) {
1789                         $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
1790                 }
1791                 my %co = git_read_commit($commit);
1792                 next if !%co;
1793                 my %ad = date_str($co{'author_epoch'});
1794                 print "<div>\n" .
1795                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "title"},
1796                       "<span class=\"age\">$co{'age_string'}</span>" . esc_html($co{'title'}) . $ref) . "\n";
1797                 print "</div>\n";
1798                 print "<div class=\"title_text\">\n" .
1799                       "<div class=\"log_link\">\n" .
1800                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1801                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1802                       "<br/>\n" .
1803                       "</div>\n" .
1804                       "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1805                       "</div>\n" .
1806                       "<div class=\"log_body\">\n";
1807                 my $comment = $co{'comment'};
1808                 my $empty = 0;
1809                 foreach my $line (@$comment) {
1810                         if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1811                                 next;
1812                         }
1813                         if ($line eq "") {
1814                                 if ($empty) {
1815                                         next;
1816                                 }
1817                                 $empty = 1;
1818                         } else {
1819                                 $empty = 0;
1820                         }
1821                         print format_log_line_html($line) . "<br/>\n";
1822                 }
1823                 if (!$empty) {
1824                         print "<br/>\n";
1825                 }
1826                 print "</div>\n";
1827         }
1828         git_footer_html();
1829 }
1830
1831 sub git_commit {
1832         my %co = git_read_commit($hash);
1833         if (!%co) {
1834                 die_error(undef, "Unknown commit object.");
1835         }
1836         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1837         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1838
1839         my @difftree;
1840         my $root = "";
1841         my $parent = $co{'parent'};
1842         if (!defined $parent) {
1843                 $root = " --root";
1844                 $parent = "";
1845         }
1846         open my $fd, "-|", "$gitbin/git-diff-tree -r -M $root $parent $hash" or die_error(undef, "Open failed.");
1847         @difftree = map { chomp; $_ } <$fd>;
1848         close $fd or die_error(undef, "Reading diff-tree failed.");
1849
1850         # non-textual hash id's can be cached
1851         my $expires;
1852         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1853                 $expires = "+1d";
1854         }
1855         my $refs = read_info_ref();
1856         my $ref = "";
1857         if (defined $refs->{$co{'id'}}) {
1858                 $ref = " <span class=\"tag\">" . esc_html($refs->{$co{'id'}}) . "</span>";
1859         }
1860         git_header_html(undef, $expires);
1861         print "<div class=\"page_nav\">\n" .
1862               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1863               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
1864               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
1865               " | commit";
1866         if (defined $co{'parent'}) {
1867                 print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff");
1868         }
1869         print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "\n" .
1870               "<br/><br/></div>\n";
1871         if (defined $co{'parent'}) {
1872                 print "<div>\n" .
1873                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
1874                       "</div>\n";
1875         } else {
1876                 print "<div>\n" .
1877                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1878                       "</div>\n";
1879         }
1880         print "<div class=\"title_text\">\n" .
1881               "<table cellspacing=\"0\">\n";
1882         print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
1883               "<tr>" .
1884               "<td></td><td> $ad{'rfc2822'}";
1885         if ($ad{'hour_local'} < 6) {
1886                 printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1887         } else {
1888                 printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1889         }
1890         print "</td>" .
1891               "</tr>\n";
1892         print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
1893         print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1894         print "<tr><td>commit</td><td style=\"font-family:monospace\">$co{'id'}</td></tr>\n";
1895         print "<tr>" .
1896               "<td>tree</td>" .
1897               "<td style=\"font-family:monospace\">" .
1898               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), class => "list"}, $co{'tree'}) .
1899               "</td>" .
1900               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
1901               "</td>" .
1902               "</tr>\n";
1903         my $parents  = $co{'parents'};
1904         foreach my $par (@$parents) {
1905                 print "<tr>" .
1906                       "<td>parent</td>" .
1907                       "<td style=\"font-family:monospace\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par"), class => "list"}, $par) . "</td>" .
1908                       "<td class=\"link\">" .
1909                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par")}, "commit") .
1910                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash;hp=$par")}, "commitdiff") .
1911                       "</td>" .
1912                       "</tr>\n";
1913         }
1914         print "</table>".
1915               "</div>\n";
1916         print "<div class=\"page_body\">\n";
1917         my $comment = $co{'comment'};
1918         my $empty = 0;
1919         my $signed = 0;
1920         foreach my $line (@$comment) {
1921                 # print only one empty line
1922                 if ($line eq "") {
1923                         if ($empty || $signed) {
1924                                 next;
1925                         }
1926                         $empty = 1;
1927                 } else {
1928                         $empty = 0;
1929                 }
1930                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1931                         $signed = 1;
1932                         print "<span style=\"color: #888888\">" . esc_html($line) . "</span><br/>\n";
1933                 } else {
1934                         $signed = 0;
1935                         print format_log_line_html($line) . "<br/>\n";
1936                 }
1937         }
1938         print "</div>\n";
1939         print "<div class=\"list_head\">\n";
1940         if ($#difftree > 10) {
1941                 print(($#difftree + 1) . " files changed:\n");
1942         }
1943         print "</div>\n";
1944         print "<table cellspacing=\"0\">\n";
1945         my $alternate = 0;
1946         foreach my $line (@difftree) {
1947                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1948                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1949                 if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1950                         next;
1951                 }
1952                 my $from_mode = $1;
1953                 my $to_mode = $2;
1954                 my $from_id = $3;
1955                 my $to_id = $4;
1956                 my $status = $5;
1957                 my $similarity = $6;
1958                 my $file = validate_input(unquote($7));
1959                 if ($alternate) {
1960                         print "<tr class=\"dark\">\n";
1961                 } else {
1962                         print "<tr class=\"light\">\n";
1963                 }
1964                 $alternate ^= 1;
1965                 if ($status eq "A") {
1966                         my $mode_chng = "";
1967                         if (S_ISREG(oct $to_mode)) {
1968                                 $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
1969                         }
1970                         print "<td>" .
1971                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
1972                               "<td><span style=\"color: #008000;\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
1973                               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob") . "</td>\n";
1974                 } elsif ($status eq "D") {
1975                         print "<td>" .
1976                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
1977                               "<td><span style=\"color: #c00000;\">[deleted " . file_type($from_mode). "]</span></td>\n" .
1978                               "<td class=\"link\">" .
1979                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, "blob") .
1980                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash;f=$file")}, "history") .
1981                               "</td>\n"
1982                 } elsif ($status eq "M" || $status eq "T") {
1983                         my $mode_chnge = "";
1984                         if ($from_mode != $to_mode) {
1985                                 $mode_chnge = " <span style=\"color: #777777;\">[changed";
1986                                 if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
1987                                         $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
1988                                 }
1989                                 if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
1990                                         if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
1991                                                 $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
1992                                         } elsif (S_ISREG($to_mode)) {
1993                                                 $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
1994                                         }
1995                                 }
1996                                 $mode_chnge .= "]</span>\n";
1997                         }
1998                         print "<td>";
1999                         if ($to_id ne $from_id) {
2000                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
2001                         } else {
2002                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
2003                         }
2004                         print "</td>\n" .
2005                               "<td>$mode_chnge</td>\n" .
2006                               "<td class=\"link\">";
2007                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob");
2008                         if ($to_id ne $from_id) {
2009                                 print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file")}, "diff");
2010                         }
2011                         print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash;f=$file")}, "history") . "\n";
2012                         print "</td>\n";
2013                 } elsif ($status eq "R") {
2014                         my ($from_file, $to_file) = split "\t", $file;
2015                         my $mode_chng = "";
2016                         if ($from_mode != $to_mode) {
2017                                 $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
2018                         }
2019                         print "<td>" .
2020                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"), -class => "list"}, esc_html($to_file)) . "</td>\n" .
2021                               "<td><span style=\"color: #777777;\">[moved from " .
2022                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$from_file"), -class => "list"}, esc_html($from_file)) .
2023                               " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
2024                               "<td class=\"link\">" .
2025                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file")}, "blob");
2026                         if ($to_id ne $from_id) {
2027                                 print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file")}, "diff");
2028                         }
2029                         print "</td>\n";
2030                 }
2031                 print "</tr>\n";
2032         }
2033         print "</table>\n";
2034         git_footer_html();
2035 }
2036
2037 sub git_blobdiff {
2038         mkdir($git_temp, 0700);
2039         git_header_html();
2040         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
2041                 print "<div class=\"page_nav\">\n" .
2042                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2043                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2044                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
2045                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
2046                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
2047                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") .
2048                       "<br/>\n";
2049                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent")}, "plain") .
2050                       "</div>\n";
2051                 print "<div>\n" .
2052                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2053                       "</div>\n";
2054         } else {
2055                 print "<div class=\"page_nav\">\n" .
2056                       "<br/><br/></div>\n" .
2057                       "<div class=\"title\">$hash vs $hash_parent</div>\n";
2058         }
2059         if (defined $file_name) {
2060                 print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b></div>\n";
2061         }
2062         print "<div class=\"page_body\">\n" .
2063               "<div class=\"diff_info\">blob:" .
2064               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name")}, $hash_parent) .
2065               " -> blob:" .
2066               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, $hash) .
2067               "</div>\n";
2068         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2069         print "</div>";
2070         git_footer_html();
2071 }
2072
2073 sub git_blobdiff_plain {
2074         mkdir($git_temp, 0700);
2075         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2076         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2077 }
2078
2079 sub git_commitdiff {
2080         mkdir($git_temp, 0700);
2081         my %co = git_read_commit($hash);
2082         if (!%co) {
2083                 die_error(undef, "Unknown commit object.");
2084         }
2085         if (!defined $hash_parent) {
2086                 $hash_parent = $co{'parent'};
2087         }
2088         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
2089         my (@difftree) = map { chomp; $_ } <$fd>;
2090         close $fd or die_error(undef, "Reading diff-tree failed.");
2091
2092         # non-textual hash id's can be cached
2093         my $expires;
2094         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2095                 $expires = "+1d";
2096         }
2097         my $refs = read_info_ref();
2098         my $ref = "";
2099         if (defined $refs->{$co{'id'}}) {
2100                 $ref = " <span class=\"tag\">" . esc_html($refs->{$co{'id'}}) . "</span>";
2101         }
2102         git_header_html(undef, $expires);
2103         print "<div class=\"page_nav\">\n" .
2104               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2105               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
2106               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2107               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2108               " | commitdiff" .
2109               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "<br/>\n";
2110         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent")}, "plain") . "\n" .
2111               "</div>\n";
2112         print "<div>\n" .
2113               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
2114               "</div>\n";
2115         print "<div class=\"page_body\">\n";
2116         my $comment = $co{'comment'};
2117         my $empty = 0;
2118         my $signed = 0;
2119         my @log = @$comment;
2120         # remove first and empty lines after that
2121         shift @log;
2122         while (defined $log[0] && $log[0] eq "") {
2123                 shift @log;
2124         }
2125         foreach my $line (@log) {
2126                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
2127                         next;
2128                 }
2129                 if ($line eq "") {
2130                         if ($empty) {
2131                                 next;
2132                         }
2133                         $empty = 1;
2134                 } else {
2135                         $empty = 0;
2136                 }
2137                 print format_log_line_html($line) . "<br/>\n";
2138         }
2139         print "<br/>\n";
2140         foreach my $line (@difftree) {
2141                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2142                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2143                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2144                 my $from_mode = $1;
2145                 my $to_mode = $2;
2146                 my $from_id = $3;
2147                 my $to_id = $4;
2148                 my $status = $5;
2149                 my $file = validate_input(unquote($6));
2150                 if ($status eq "A") {
2151                         print "<div class=\"diff_info\">" .  file_type($to_mode) . ":" .
2152                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id) . "(new)" .
2153                               "</div>\n";
2154                         git_diff_print(undef, "/dev/null", $to_id, "b/$file");
2155                 } elsif ($status eq "D") {
2156                         print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
2157                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) . "(deleted)" .
2158                               "</div>\n";
2159                         git_diff_print($from_id, "a/$file", undef, "/dev/null");
2160                 } elsif ($status eq "M") {
2161                         if ($from_id ne $to_id) {
2162                                 print "<div class=\"diff_info\">" .
2163                                       file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) .
2164                                       " -> " .
2165                                       file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id);
2166                                 print "</div>\n";
2167                                 git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
2168                         }
2169                 }
2170         }
2171         print "<br/>\n" .
2172               "</div>";
2173         git_footer_html();
2174 }
2175
2176 sub git_commitdiff_plain {
2177         mkdir($git_temp, 0700);
2178         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
2179         my (@difftree) = map { chomp; $_ } <$fd>;
2180         close $fd or die_error(undef, "Reading diff-tree failed.");
2181
2182         # try to figure out the next tag after this commit
2183         my $tagname;
2184         my $refs = read_info_ref("tags");
2185         open $fd, "-|", "$gitbin/git-rev-list HEAD";
2186         chomp (my (@commits) = <$fd>);
2187         close $fd;
2188         foreach my $commit (@commits) {
2189                 if (defined $refs->{$commit}) {
2190                         $tagname = $refs->{$commit}
2191                 }
2192                 if ($commit eq $hash) {
2193                         last;
2194                 }
2195         }
2196
2197         print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"git-$hash.patch\"");
2198         my %co = git_read_commit($hash);
2199         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
2200         my $comment = $co{'comment'};
2201         print "From: $co{'author'}\n" .
2202               "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
2203               "Subject: $co{'title'}\n";
2204         if (defined $tagname) {
2205               print "X-Git-Tag: $tagname\n";
2206         }
2207         print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
2208               "\n";
2209
2210         foreach my $line (@$comment) {;
2211                 print "$line\n";
2212         }
2213         print "---\n\n";
2214
2215         foreach my $line (@difftree) {
2216                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2217                 my $from_id = $3;
2218                 my $to_id = $4;
2219                 my $status = $5;
2220                 my $file = $6;
2221                 if ($status eq "A") {
2222                         git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
2223                 } elsif ($status eq "D") {
2224                         git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
2225                 } elsif ($status eq "M") {
2226                         git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
2227                 }
2228         }
2229 }
2230
2231 sub git_history {
2232         if (!defined $hash) {
2233                 $hash = git_read_head($project);
2234         }
2235         my %co = git_read_commit($hash);
2236         if (!%co) {
2237                 die_error(undef, "Unknown commit object.");
2238         }
2239         my $refs = read_info_ref();
2240         git_header_html();
2241         print "<div class=\"page_nav\">\n" .
2242               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2243               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2244               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
2245               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2246               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2247               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2248               "<br/><br/>\n" .
2249               "</div>\n";
2250         print "<div>\n" .
2251               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2252               "</div>\n";
2253         print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b><br/></div>\n";
2254
2255         open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -- \'$file_name\'";
2256         my $commit;
2257         print "<table cellspacing=\"0\">\n";
2258         my $alternate = 0;
2259         while (my $line = <$fd>) {
2260                 if ($line =~ m/^([0-9a-fA-F]{40})/){
2261                         $commit = $1;
2262                         next;
2263                 }
2264                 if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/ && (defined $commit)) {
2265                         my %co = git_read_commit($commit);
2266                         if (!%co) {
2267                                 next;
2268                         }
2269                         my $ref = "";
2270                         if (defined $refs->{$commit}) {
2271                                 $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
2272                         }
2273                         if ($alternate) {
2274                                 print "<tr class=\"dark\">\n";
2275                         } else {
2276                                 print "<tr class=\"light\">\n";
2277                         }
2278                         $alternate ^= 1;
2279                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2280                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2281                               "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"}, "<b>" .
2282                               esc_html(chop_str($co{'title'}, 50)) . "$ref</b>") . "</td>\n" .
2283                               "<td class=\"link\">" .
2284                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2285                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2286                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=$commit;f=$file_name")}, "blob");
2287                         my $blob = git_get_hash_by_path($hash, $file_name);
2288                         my $blob_parent = git_get_hash_by_path($commit, $file_name);
2289                         if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
2290                                 print " | " .
2291                                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name")},
2292                                 "diff to current");
2293                         }
2294                         print "</td>\n" .
2295                               "</tr>\n";
2296                         undef $commit;
2297                 }
2298         }
2299         print "</table>\n";
2300         close $fd;
2301         git_footer_html();
2302 }
2303
2304 sub git_search {
2305         if (!defined $searchtext) {
2306                 die_error("", "Text field empty.");
2307         }
2308         if (!defined $hash) {
2309                 $hash = git_read_head($project);
2310         }
2311         my %co = git_read_commit($hash);
2312         if (!%co) {
2313                 die_error(undef, "Unknown commit object.");
2314         }
2315         # pickaxe may take all resources of your box and run for several minutes
2316         # with every query - so decide by yourself how public you make this feature :)
2317         my $commit_search = 1;
2318         my $author_search = 0;
2319         my $committer_search = 0;
2320         my $pickaxe_search = 0;
2321         if ($searchtext =~ s/^author\\://i) {
2322                 $author_search = 1;
2323         } elsif ($searchtext =~ s/^committer\\://i) {
2324                 $committer_search = 1;
2325         } elsif ($searchtext =~ s/^pickaxe\\://i) {
2326                 $commit_search = 0;
2327                 $pickaxe_search = 1;
2328         }
2329         git_header_html();
2330         print "<div class=\"page_nav\">\n" .
2331               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary;h=$hash")}, "summary") .
2332               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2333               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2334               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2335               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2336               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2337               "<br/><br/>\n" .
2338               "</div>\n";
2339
2340         print "<div>\n" .
2341               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2342               "</div>\n";
2343         print "<table cellspacing=\"0\">\n";
2344         my $alternate = 0;
2345         if ($commit_search) {
2346                 $/ = "\0";
2347                 open my $fd, "-|", "$gitbin/git-rev-list --header --parents $hash" or next;
2348                 while (my $commit_text = <$fd>) {
2349                         if (!grep m/$searchtext/i, $commit_text) {
2350                                 next;
2351                         }
2352                         if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2353                                 next;
2354                         }
2355                         if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2356                                 next;
2357                         }
2358                         my @commit_lines = split "\n", $commit_text;
2359                         my %co = git_read_commit(undef, \@commit_lines);
2360                         if (!%co) {
2361                                 next;
2362                         }
2363                         if ($alternate) {
2364                                 print "<tr class=\"dark\">\n";
2365                         } else {
2366                                 print "<tr class=\"light\">\n";
2367                         }
2368                         $alternate ^= 1;
2369                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2370                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2371                               "<td>" .
2372                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" . esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2373                         my $comment = $co{'comment'};
2374                         foreach my $line (@$comment) {
2375                                 if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2376                                         my $lead = esc_html($1) || "";
2377                                         $lead = chop_str($lead, 30, 10);
2378                                         my $match = esc_html($2) || "";
2379                                         my $trail = esc_html($3) || "";
2380                                         $trail = chop_str($trail, 30, 10);
2381                                         my $text = "$lead<span style=\"color:#e00000\">$match</span>$trail";
2382                                         print chop_str($text, 80, 5) . "<br/>\n";
2383                                 }
2384                         }
2385                         print "</td>\n" .
2386                               "<td class=\"link\">" .
2387                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2388                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2389                         print "</td>\n" .
2390                               "</tr>\n";
2391                 }
2392                 close $fd;
2393         }
2394
2395         if ($pickaxe_search) {
2396                 $/ = "\n";
2397                 open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -S\'$searchtext\'";
2398                 undef %co;
2399                 my @files;
2400                 while (my $line = <$fd>) {
2401                         if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2402                                 my %set;
2403                                 $set{'file'} = $6;
2404                                 $set{'from_id'} = $3;
2405                                 $set{'to_id'} = $4;
2406                                 $set{'id'} = $set{'to_id'};
2407                                 if ($set{'id'} =~ m/0{40}/) {
2408                                         $set{'id'} = $set{'from_id'};
2409                                 }
2410                                 if ($set{'id'} =~ m/0{40}/) {
2411                                         next;
2412                                 }
2413                                 push @files, \%set;
2414                         } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2415                                 if (%co) {
2416                                         if ($alternate) {
2417                                                 print "<tr class=\"dark\">\n";
2418                                         } else {
2419                                                 print "<tr class=\"light\">\n";
2420                                         }
2421                                         $alternate ^= 1;
2422                                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2423                                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2424                                               "<td>" .
2425                                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" .
2426                                               esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2427                                         while (my $setref = shift @files) {
2428                                                 my %set = %$setref;
2429                                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}"), class => "list"},
2430                                                       "<span style=\"color:#e00000\">" . esc_html($set{'file'}) . "</span>") .
2431                                                       "<br/>\n";
2432                                         }
2433                                         print "</td>\n" .
2434                                               "<td class=\"link\">" .
2435                                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2436                                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2437                                         print "</td>\n" .
2438                                               "</tr>\n";
2439                                 }
2440                                 %co = git_read_commit($1);
2441                         }
2442                 }
2443                 close $fd;
2444         }
2445         print "</table>\n";
2446         git_footer_html();
2447 }
2448
2449 sub git_shortlog {
2450         my $head = git_read_head($project);
2451         if (!defined $hash) {
2452                 $hash = $head;
2453         }
2454         if (!defined $page) {
2455                 $page = 0;
2456         }
2457         my $refs = read_info_ref();
2458         git_header_html();
2459         print "<div class=\"page_nav\">\n" .
2460               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2461               " | shortlog" .
2462               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2463               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2464               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2465               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
2466
2467         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2468         open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
2469         my (@revlist) = map { chomp; $_ } <$fd>;
2470         close $fd;
2471
2472         if ($hash ne $head || $page) {
2473                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "HEAD");
2474         } else {
2475                 print "HEAD";
2476         }
2477         if ($page > 0) {
2478                 print " &sdot; " .
2479                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
2480         } else {
2481                 print " &sdot; prev";
2482         }
2483         if ($#revlist >= (100 * ($page+1)-1)) {
2484                 print " &sdot; " .
2485                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
2486         } else {
2487                 print " &sdot; next";
2488         }
2489         print "<br/>\n" .
2490               "</div>\n";
2491         print "<div>\n" .
2492               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
2493               "</div>\n";
2494         print "<table cellspacing=\"0\">\n";
2495         my $alternate = 0;
2496         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2497                 my $commit = $revlist[$i];
2498                 my $ref = "";
2499                 if (defined $refs->{$commit}) {
2500                         $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
2501                 }
2502                 my %co = git_read_commit($commit);
2503                 my %ad = date_str($co{'author_epoch'});
2504                 if ($alternate) {
2505                         print "<tr class=\"dark\">\n";
2506                 } else {
2507                         print "<tr class=\"light\">\n";
2508                 }
2509                 $alternate ^= 1;
2510                 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2511                       "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2512                       "<td>";
2513                 if (length($co{'title_short'}) < length($co{'title'})) {
2514                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
2515                               "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
2516                 } else {
2517                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
2518                               "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
2519                 }
2520                 print "</td>\n" .
2521                       "<td class=\"link\">" .
2522                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2523                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2524                       "</td>\n" .
2525                       "</tr>";
2526         }
2527         if ($#revlist >= (100 * ($page+1)-1)) {
2528                 print "<tr>\n" .
2529                       "<td>" .
2530                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -title => "Alt-n"}, "next") .
2531                       "</td>\n" .
2532                       "</tr>\n";
2533         }
2534         print "</table\n>";
2535         git_footer_html();
2536 }