gitweb.cgi

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