gitweb.cgi

   1 #!/usr/bin/perl
   2
   3 # gitweb.pl - simple web interface to track changes in git repositories
   4 #
   5 # (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
   6 # (C) 2005, Christian Gierke <ch@gierke.de>
   7 #
   8 # This program is licensed under the GPL v2, or a later version
   9
  10 use strict;
  11 use warnings;
  12 use CGI qw(:standard :escapeHTML -nosticky);
  13 use CGI::Util qw(unescape);
  14 use CGI::Carp qw(fatalsToBrowser);
  15 use Fcntl ':mode';
  16
  17 my $cgi = new CGI;
  18 my $version =           "203";
  19 my $my_url =            $cgi->url();
  20 my $my_uri =            $cgi->url(-absolute => 1);
  21 my $rss_link = "";
  22
  23 # absolute fs-path which will be prepended to the project path
  24 my $projectroot =       "/pub/scm";
  25
  26 # location of the git-core binaries
  27 my $gitbin =            "/usr/bin";
  28
  29 # location for temporary files needed for diffs
  30 my $git_temp =          "/tmp/gitweb";
  31
  32 # target of the home link on top of all pages
  33 my $home_link =         $my_uri;
  34
  35 # html text to include at home page
  36 my $home_text =         "indextext.html";
  37
  38 # source of projects list
  39 #my $projects_list = $projectroot;
  40 my $projects_list = "index/index.aux";
  41
  42 # input validation and dispatch
  43 my $action = $cgi->param('a');
  44 if (defined $action) {
  45         if ($action =~ m/[^0-9a-zA-Z\.\-_]+/) {
  46                 undef $action;
  47                 die_error(undef, "Invalid action parameter.");
  48         }
  49         if ($action eq "git-logo.png") {
  50                 git_logo();
  51                 exit;
  52         }
  53 } else {
  54         $action = "summary";
  55 }
  56
  57 my $project = $cgi->param('p');
  58 if (defined $project) {
  59         if ($project =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
  60                 undef $project;
  61                 die_error(undef, "Non-canonical project parameter.");
  62         }
  63         if ($project =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~]/) {
  64                 undef $project;
  65                 die_error(undef, "Invalid character in project parameter.");
  66         }
  67         if (!(-d "$projectroot/$project")) {
  68                 undef $project;
  69                 die_error(undef, "No such directory.");
  70         }
  71         if (!(-e "$projectroot/$project/HEAD")) {
  72                 undef $project;
  73                 die_error(undef, "No such project.");
  74         }
  75         $rss_link = "<link rel=\"alternate\" title=\"$project log\" href=\"$my_uri?p=$project;a=rss\" type=\"application/rss+xml\"/>";
  76         $ENV{'GIT_OBJECT_DIRECTORY'} = "$projectroot/$project/objects";
  77 } else {
  78         git_project_list();
  79         exit;
  80 }
  81
  82 my $file_name = $cgi->param('f');
  83 if (defined $file_name) {
  84         if ($file_name =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
  85                 undef $file_name;
  86                 die_error(undef, "Non-canonical file parameter.");
  87         }
  88         if ($file_name =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~\:\!]/) {
  89                 undef $file_name;
  90                 die_error(undef, "Invalid character in file parameter.");
  91         }
  92 }
  93
  94 my $hash = $cgi->param('h');
  95 if (defined $hash && !($hash =~ m/^[0-9a-fA-F]{40}$/)) {
  96         undef $hash;
  97         die_error(undef, "Invalid hash parameter.");
  98 }
  99
 100 my $hash_parent = $cgi->param('hp');
 101 if (defined $hash_parent && !($hash_parent =~ m/^[0-9a-fA-F]{40}$/)) {
 102         undef $hash_parent;
 103         die_error(undef, "Invalid hash_parent parameter.");
 104 }
 105
 106 my $hash_base = $cgi->param('hb');
 107 if (defined $hash_base && !($hash_base =~ m/^[0-9a-fA-F]{40}$/)) {
 108         undef $hash_base;
 109         die_error(undef, "Invalid parent hash parameter.");
 110 }
 111
 112 my $time_back = $cgi->param('t');
 113 if (defined $time_back) {
 114         if ($time_back =~ m/^[^0-9]+$/) {
 115                 undef $time_back;
 116                 die_error(undef, "Invalid time parameter.");
 117         }
 118 }
 119
 120
 121 my $searchtext = $cgi->param('s');
 122 if (defined $searchtext) {
 123         if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 124                 undef $searchtext;
 125                 die_error(undef, "Invalid search parameter.");
 126         }
 127         $searchtext = quotemeta $searchtext;
 128 }
 129
 130 if ($action eq "summary") {
 131         git_summary();
 132         exit;
 133 } elsif ($action eq "branches") {
 134         git_branches();
 135         exit;
 136 } elsif ($action eq "tags") {
 137         git_tags();
 138         exit;
 139 } elsif ($action eq "blob") {
 140         git_blob();
 141         exit;
 142 } elsif ($action eq "blob_plain") {
 143         git_blob_plain();
 144         exit;
 145 } elsif ($action eq "tree") {
 146         git_tree();
 147         exit;
 148 } elsif ($action eq "rss") {
 149         git_rss();
 150         exit;
 151 } elsif ($action eq "commit") {
 152         git_commit();
 153         exit;
 154 } elsif ($action eq "log") {
 155         git_log();
 156         exit;
 157 } elsif ($action eq "blobdiff") {
 158         git_blobdiff();
 159         exit;
 160 } elsif ($action eq "blobdiff_plain") {
 161         git_blobdiff_plain();
 162         exit;
 163 } elsif ($action eq "commitdiff") {
 164         git_commitdiff();
 165         exit;
 166 } elsif ($action eq "commitdiff_plain") {
 167         git_commitdiff_plain();
 168         exit;
 169 } elsif ($action eq "history") {
 170         git_history();
 171         exit;
 172 } elsif ($action eq "search") {
 173         git_search();
 174         exit;
 175 } elsif ($action eq "shortlog") {
 176         git_shortlog();
 177         exit;
 178 } else {
 179         undef $action;
 180         die_error(undef, "Unknown action.");
 181         exit;
 182 }
 183
 184 sub git_header_html {
 185         my $status = shift || "200 OK";
 186
 187         my $title = "git";
 188         if (defined $project) {
 189                 $title .= " - $project";
 190                 if (defined $action) {
 191                         $title .= "/$action";
 192                 }
 193         }
 194         print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status);
 195         print <<EOF;
 196 <?xml version="1.0" encoding="utf-8"?>
 197 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 198 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 199 <!-- git web interface v$version, (C) 2005, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke <ch\@gierke.de> -->
 200 <head>
 201 <title>$title</title>
 202 $rss_link
 203 <style type="text/css">
 204 body { font-family: sans-serif; font-size: 12px; margin:0px; border:solid #d9d8d1; border-width:1px; margin:10px; }
 205 a { color:#0000cc; }
 206 a:hover, a:visited, a:active { color:#880000; }
 207 div.page_header { height:25px; padding:8px; font-size:18px; font-weight:bold; background-color:#d9d8d1; }
 208 div.page_header a:visited { color:#0000cc; }
 209 div.page_header a:hover { color:#880000; }
 210 div.page_nav { padding:8px; }
 211 div.page_nav a:visited { color:#0000cc; }
 212 div.page_path { padding:8px; border:solid #d9d8d1; border-width:0px 0px 1px}
 213 div.page_footer { height:17px; padding:4px 8px; background-color: #d9d8d1; }
 214 div.page_footer_text { float:left; color:#555555; font-style:italic; }
 215 div.page_body { padding:8px; }
 216 div.title, a.title {
 217         display:block; padding:6px 8px;
 218         font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
 219 }
 220 a.title:hover { background-color: #d9d8d1; }
 221 div.title_text { padding:6px 0px; border: solid #d9d8d1; border-width:0px 0px 1px; }
 222 div.log_body { padding:8px 8px 8px 150px; }
 223 span.age { position:relative; float:left; width:142px; font-style:italic; }
 224 div.log_link {
 225         padding:0px 8px;
 226         font-size:10px; font-family:sans-serif; font-style:normal;
 227         position:relative; float:left; width:136px;
 228 }
 229 div.list_head { padding:6px 8px 4px; border:solid #d9d8d1; border-width:1px 0px 0px; font-style:italic; }
 230 a.list { text-decoration:none; color:#000000; }
 231 a.list:hover { color:#880000; }
 232 table { padding:8px 4px; }
 233 th { padding:2px 5px; font-size:12px; text-align:left; }
 234 td { padding:2px 5px; font-size:12px; vertical-align:top; }
 235 td.link { padding:2px 5px; font-family:sans-serif; font-size:10px; }
 236 div.pre { font-family:monospace; font-size:12px; white-space:pre; }
 237 div.diff_info { font-family:monospace; color:#000099; background-color:#edece6; font-style:italic; }
 238 div.index_include { border:solid #d9d8d1; border-width:0px 0px 1px; padding:12px 8px; }
 239 input.search { margin:4px 8px; position:absolute; top:56px; right:12px }
 240 a.rss_logo { float:right; padding:3px 0px; width:35px; line-height:10px;
 241         border:1px solid; border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e;
 242         color:#ffffff; background-color:#ff6600;
 243         font-weight:bold; font-family:sans-serif; font-size:10px;
 244         text-align:center; text-decoration:none;
 245 }
 246 a.rss_logo:hover { background-color:#ee5500; }
 247 </style>
 248 </head>
 249 <body>
 250 EOF
 251         print "<div class=\"page_header\">\n" .
 252               "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\">" .
 253               "<img src=\"$my_uri?a=git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 254               "</a>\n";
 255         print $cgi->a({-href => $home_link}, "projects") . " / ";
 256         if (defined $project) {
 257                 print $cgi->a({-href => "$my_uri?p=$project;a=summary"}, escapeHTML($project));
 258                 if (defined $action) {
 259                         print " / $action";
 260                 }
 261                 print "\n";
 262                 if (!defined $searchtext) {
 263                         $searchtext = "";
 264                 }
 265                 $cgi->param("a", "search");
 266                 # post search form, but fake get parameter in browser
 267                 #print $cgi->startform(-name => "search", -action => "$my_uri",
 268                 #      -onsubmit => "document.search.action='?p=$project;a=search;s='+document.search.s.value") .
 269                 #      $cgi->hidden(-name => "p") . "\n" .
 270                 #      $cgi->hidden(-name => "a") . "\n" .
 271                 #      $cgi->textfield(-name => "s", -value => $searchtext, -class => "search") .
 272                 #      $cgi->end_form() . "\n";
 273         }
 274         print "</div>\n";
 275 }
 276
 277 sub git_footer_html {
 278         print "<div class=\"page_footer\">\n";
 279         if (defined $project) {
 280                 my $descr = git_read_description($project);
 281                 if (defined $descr) {
 282                         print "<div class=\"page_footer_text\">" . escapeHTML($descr) . "</div>\n";
 283                 }
 284                 print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "rss_logo"}, "RSS") . "\n";
 285         }
 286         print "</div>\n" .
 287               "</body>\n" .
 288               "</html>";
 289 }
 290
 291 sub die_error {
 292         my $status = shift || "403 Forbidden";
 293         my $error = shift || "Malformed query, file missing or permission denied";
 294
 295         git_header_html($status);
 296         print "<div class=\"page_body\">\n" .
 297               "<br/><br/>\n" .
 298               "$status - $error\n" .
 299               "<br/>\n" .
 300               "</div>\n";
 301         git_footer_html();
 302         exit;
 303 }
 304
 305 sub git_get_type {
 306         my $hash = shift;
 307
 308         open my $fd, "-|", "$gitbin/git-cat-file -t $hash" or return;
 309         my $type = <$fd>;
 310         close $fd;
 311         chomp $type;
 312         return $type;
 313 }
 314
 315 sub git_read_hash {
 316         my $path = shift;
 317
 318         open my $fd, "$projectroot/$path" or return undef;
 319         my $head = <$fd>;
 320         close $fd;
 321         chomp $head;
 322         if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 323                 return $head;
 324         }
 325 }
 326
 327 sub git_read_description {
 328         my $path = shift;
 329
 330         open my $fd, "$projectroot/$path/description" or return undef;
 331         my $descr = <$fd>;
 332         close $fd;
 333         chomp $descr;
 334         return $descr;
 335 }
 336
 337 sub git_read_tag {
 338         my $tag_id = shift;
 339         my %tag;
 340
 341         open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" or return;
 342         while (my $line = <$fd>) {
 343                 chomp $line;
 344                 if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 345                         $tag{'object'} = $1;
 346                 } elsif ($line =~ m/^type (.+)$/) {
 347                         $tag{'type'} = $1;
 348                 } elsif ($line =~ m/^tag (.+)$/) {
 349                         $tag{'name'} = $1;
 350                 }
 351         }
 352         close $fd or return;
 353         if (!defined $tag{'name'}) {
 354                 return
 355         };
 356         return %tag
 357 }
 358
 359 sub git_read_commit {
 360         my $commit_id = shift;
 361         my $commit_text = shift;
 362
 363         my @commit_lines;
 364         my %co;
 365         my @parents;
 366
 367         if (defined $commit_text) {
 368                 @commit_lines = @$commit_text;
 369         } else {
 370                 open my $fd, "-|", "$gitbin/git-cat-file commit $commit_id" or return;
 371                 @commit_lines = map { chomp; $_ } <$fd>;
 372                 close $fd or return;
 373         }
 374         while (my $line = shift @commit_lines) {
 375                 last if $line eq "\n";
 376                 if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 377                         $co{'tree'} = $1;
 378                 } elsif ($line =~ m/^parent ([0-9a-fA-F]{40})$/) {
 379                         push @parents, $1;
 380                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 381                         $co{'author'} = $1;
 382                         $co{'author_epoch'} = $2;
 383                         $co{'author_tz'} = $3;
 384                         if ($co{'author'} =~ m/^([^<]+) </) {
 385                                 $co{'author_name'} = $1;
 386                         } else {
 387                                 $co{'author_name'} = $co{'author'};
 388                         }
 389                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 390                         $co{'committer'} = $1;
 391                         $co{'committer_epoch'} = $2;
 392                         $co{'committer_tz'} = $3;
 393                         $co{'committer_name'} = $co{'committer'};
 394                         $co{'committer_name'} =~ s/ <.*//;
 395                 }
 396         }
 397         if (!defined $co{'tree'}) {
 398                 return undef
 399         };
 400         $co{'id'} = $commit_id;
 401         $co{'parents'} = \@parents;
 402         $co{'parent'} = $parents[0];
 403         $co{'comment'} = \@commit_lines;
 404         foreach my $title (@commit_lines) {
 405                 if ($title ne "") {
 406                         $co{'title'} = chop_str($title, 80);
 407                         # remove leading stuff of merges to make the interesting part visible
 408                         if (length($title) > 50) {
 409                                 $title =~ s/^Automatic //;
 410                                 $title =~ s/^merge (of|with) /Merge ... /i;
 411                                 if (length($title) > 50) {
 412                                         $title =~ s/(http|rsync):\/\///;
 413                                 }
 414                                 if (length($title) > 50) {
 415                                         $title =~ s/(master|www|rsync)\.//;
 416                                 }
 417                                 if (length($title) > 50) {
 418                                         $title =~ s/kernel.org:?//;
 419                                 }
 420                                 if (length($title) > 50) {
 421                                         $title =~ s/\/pub\/scm//;
 422                                 }
 423                         }
 424                         $co{'title_short'} = chop_str($title, 50);
 425                         last;
 426                 }
 427         }
 428
 429         my $age = time - $co{'committer_epoch'};
 430         $co{'age'} = $age;
 431         if ($age > 60*60*24*365*2) {
 432                 $co{'age_string'} = (int $age/60/60/24/365);
 433                 $co{'age_string'} .= " years ago";
 434         } elsif ($age > 60*60*24*(365/12)*2) {
 435                 $co{'age_string'} = int $age/60/60/24/(365/12);
 436                 $co{'age_string'} .= " months ago";
 437         } elsif ($age > 60*60*24*7*2) {
 438                 $co{'age_string'} = int $age/60/60/24/7;
 439                 $co{'age_string'} .= " weeks ago";
 440         } elsif ($age > 60*60*24*2) {
 441                 $co{'age_string'} = int $age/60/60/24;
 442                 $co{'age_string'} .= " days ago";
 443         } elsif ($age > 60*60*2) {
 444                 $co{'age_string'} = int $age/60/60;
 445                 $co{'age_string'} .= " hours ago";
 446         } elsif ($age > 60*2) {
 447                 $co{'age_string'} = int $age/60;
 448                 $co{'age_string'} .= " min ago";
 449         } elsif ($age > 2) {
 450                 $co{'age_string'} = int $age;
 451                 $co{'age_string'} .= " sec ago";
 452         } else {
 453                 $co{'age_string'} .= " right now";
 454         }
 455         return %co;
 456 }
 457
 458 sub git_diff_print {
 459         my $from = shift;
 460         my $from_name = shift;
 461         my $to = shift;
 462         my $to_name = shift;
 463         my $format = shift || "html";
 464
 465         my $from_tmp = "/dev/null";
 466         my $to_tmp = "/dev/null";
 467         my $pid = $$;
 468
 469         # create tmp from-file
 470         if (defined $from) {
 471                 $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
 472                 open my $fd2, "> $from_tmp";
 473                 open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 474                 my @file = <$fd>;
 475                 print $fd2 @file;
 476                 close $fd2;
 477                 close $fd;
 478         }
 479
 480         # create tmp to-file
 481         if (defined $to) {
 482                 $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
 483                 open my $fd2, "> $to_tmp";
 484                 open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 485                 my @file = <$fd>;
 486                 print $fd2 @file;
 487                 close $fd2;
 488                 close $fd;
 489         }
 490
 491         open my $fd, "-|", "/usr/bin/diff -u -p -L $from_name -L $to_name $from_tmp $to_tmp";
 492         if ($format eq "plain") {
 493                 undef $/;
 494                 print <$fd>;
 495                 $/ = "\n";
 496         } else {
 497                 while (my $line = <$fd>) {
 498                         chomp($line);
 499                         my $char = substr($line, 0, 1);
 500                         my $color = "";
 501                         if ($char eq '+') {
 502                                 $color = " style=\"color:#008800;\"";
 503                         } elsif ($char eq "-") {
 504                                 $color = " style=\"color:#cc0000;\"";
 505                         } elsif ($char eq "@") {
 506                                 $color = " style=\"color:#990099;\"";
 507                         } elsif ($char eq "\\") {
 508                                 # skip errors
 509                                 next;
 510                         }
 511                         while ((my $pos = index($line, "\t")) != -1) {
 512                                 if (my $count = (8 - (($pos-1) % 8))) {
 513                                         my $spaces = ' ' x $count;
 514                                         $line =~ s/\t/$spaces/;
 515                                 }
 516                         }
 517                         print "<div class=\"pre\"$color>" . escapeHTML($line) . "</div>\n";
 518                 }
 519         }
 520         close $fd;
 521
 522         if (defined $from) {
 523                 unlink($from_tmp);
 524         }
 525         if (defined $to) {
 526                 unlink($to_tmp);
 527         }
 528 }
 529
 530 sub mode_str {
 531         my $mode = oct shift;
 532
 533         if (S_ISDIR($mode & S_IFMT)) {
 534                 return 'drwxr-xr-x';
 535         } elsif (S_ISLNK($mode)) {
 536                 return 'lrwxrwxrwx';
 537         } elsif (S_ISREG($mode)) {
 538                 # git cares only about the executable bit
 539                 if ($mode & S_IXUSR) {
 540                         return '-rwxr-xr-x';
 541                 } else {
 542                         return '-rw-r--r--';
 543                 };
 544         } else {
 545                 return '----------';
 546         }
 547 }
 548
 549 sub chop_str {
 550         my $str = shift;
 551         my $len = shift;
 552         my $add_len = shift || 10;
 553
 554         $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})/;
 555         my $chopped = $1;
 556         if ($chopped ne $str) {
 557                 $chopped .= " ...";
 558         }
 559         return $chopped;
 560 }
 561
 562 sub file_type {
 563         my $mode = oct shift;
 564
 565         if (S_ISDIR($mode & S_IFMT)) {
 566                 return "directory";
 567         } elsif (S_ISLNK($mode)) {
 568                 return "symlink";
 569         } elsif (S_ISREG($mode)) {
 570                 return "file";
 571         } else {
 572                 return "unknown";
 573         }
 574 }
 575
 576 sub date_str {
 577         my $epoch = shift;
 578         my $tz = shift || "-0000";
 579
 580         my %date;
 581         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 582         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 583         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 584         $date{'hour'} = $hour;
 585         $date{'minute'} = $min;
 586         $date{'mday'} = $mday;
 587         $date{'day'} = $days[$wday];
 588         $date{'month'} = $months[$mon];
 589         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 590         $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 591
 592         $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 593         my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 594         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 595         $date{'hour_local'} = $hour;
 596         $date{'minute_local'} = $min;
 597         $date{'tz_local'} = $tz;
 598         return %date;
 599 }
 600
 601 # git-logo (cached in browser for one day)
 602 sub git_logo {
 603         print $cgi->header(-type => 'image/png', -expires => '+1d');
 604         # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 605         print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 606                 "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 607                 "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 608                 "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 609                 "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 610                 "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 611                 "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 612                 "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 613                 "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 614                 "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 615                 "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 616                 "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 617                 "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 618 }
 619
 620 sub get_file_owner {
 621         my $path = shift;
 622
 623         my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 624         my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 625         if (!defined $gcos) {
 626                 return undef;
 627         }
 628         my $owner = $gcos;
 629         $owner =~ s/[,;].*$//;
 630         return $owner;
 631 }
 632
 633 sub git_project_list {
 634         my @list;
 635
 636         if (-d $projects_list) {
 637                 # search in directory
 638                 my $dir = $projects_list;
 639                 opendir my $dh, $dir or return undef;
 640                 while (my $dir = readdir($dh)) {
 641                         if (-e "$projectroot/$dir/HEAD") {
 642                                 my $pr = {
 643                                         path => $dir,
 644                                 };
 645                                 push @list, $pr
 646                         }
 647                 }
 648                 closedir($dh);
 649         } elsif (-f $projects_list) {
 650                 # read from file(url-encoded):
 651                 # 'git%2Fgit.git Linus+Torvalds'
 652                 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 653                 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 654                 open my $fd , $projects_list or return undef;
 655                 while (my $line = <$fd>) {
 656                         chomp $line;
 657                         my ($path, $owner) = split ' ', $line;
 658                         $path = unescape($path);
 659                         $owner = unescape($owner);
 660                         if (!defined $path) {
 661                                 next;
 662                         }
 663                         if (-e "$projectroot/$path/HEAD") {
 664                                 my $pr = {
 665                                         path => $path,
 666                                         owner => $owner,
 667                                 };
 668                                 push @list, $pr
 669                         }
 670                 }
 671                 close $fd;
 672         }
 673
 674         if (!@list) {
 675                 die_error(undef, "No project found.");
 676         }
 677         @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 678
 679         git_header_html();
 680         if (-f $home_text) {
 681                 print "<div class=\"index_include\">\n";
 682                 open (my $fd, $home_text);
 683                 print <$fd>;
 684                 close $fd;
 685                 print "</div>\n";
 686         }
 687         print "<table cellspacing=\"0\">\n" .
 688               "<tr>\n" .
 689               "<th>Project</th>\n" .
 690               "<th>Description</th>\n" .
 691               "<th>Owner</th>\n" .
 692               "<th>last change</th>\n" .
 693               "<th></th>\n" .
 694               "</tr>\n";
 695         my $alternate = 0;
 696         foreach my $pr (@list) {
 697                 my %proj = %$pr;
 698                 my $head = git_read_hash("$proj{'path'}/HEAD");
 699                 if (!defined $head) {
 700                         next;
 701                 }
 702                 $ENV{'GIT_OBJECT_DIRECTORY'} = "$projectroot/$proj{'path'}/objects";
 703                 my %co = git_read_commit($head);
 704                 if (!%co) {
 705                         next;
 706                 }
 707                 my $descr = git_read_description($proj{'path'}) || "";
 708                 $descr = chop_str($descr, 25, 5);
 709                 # get directory owner if not already specified
 710                 if (!defined $proj{'owner'}) {
 711                         $proj{'owner'} = get_file_owner("$projectroot/$proj{'path'}") || "";
 712                 }
 713                 if ($alternate) {
 714                         print "<tr style=\"background-color:#f6f5ed\">\n";
 715                 } else {
 716                         print "<tr>\n";
 717                 }
 718                 $alternate ^= 1;
 719                 print "<td>" . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=summary", -class => "list"}, escapeHTML($proj{'path'})) . "</td>\n" .
 720                       "<td>$descr</td>\n" .
 721                       "<td><i>" . chop_str($proj{'owner'}, 15) . "</i></td>\n";
 722                 my $colored_age;
 723                 if ($co{'age'} < 60*60*2) {
 724                         $colored_age = "<span style =\"color: #009900;\"><b><i>$co{'age_string'}</i></b></span>";
 725                 } elsif ($co{'age'} < 60*60*24*2) {
 726                         $colored_age = "<span style =\"color: #009900;\"><i>$co{'age_string'}</i></span>";
 727                 } else {
 728                         $colored_age = "<i>$co{'age_string'}</i>";
 729                 }
 730                 print "<td>$colored_age</td>\n" .
 731                       "<td class=\"link\">" .
 732                       $cgi->a({-href => "$my_uri?p=$proj{'path'};a=summary"}, "summary") .
 733                       " | " . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=shortlog"}, "shortlog") .
 734                       " | " . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=log"}, "log") .
 735                       "</td>\n" .
 736                       "</tr>\n";
 737         }
 738         print "</table>\n";
 739         git_footer_html();
 740 }
 741
 742 sub git_read_refs {
 743         my $ref_dir = shift;
 744         my @reflist;
 745
 746         opendir my $dh, "$projectroot/$project/$ref_dir";
 747         my @refs = grep !m/^\./, readdir $dh;
 748         closedir($dh);
 749         foreach my $ref_file (@refs) {
 750                 my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 751                 my $type = git_get_type($ref_id) || next;
 752                 my %ref_item;
 753                 my %co;
 754                 if ($type eq "tag") {
 755                         my %tag = git_read_tag($ref_id);
 756                         if ($tag{'type'} eq "commit") {
 757                                 %co = git_read_commit($tag{'object'});
 758                         }
 759                         $ref_item{'type'} = $tag{'type'};
 760                         $ref_item{'name'} = $tag{'name'};
 761                         $ref_item{'id'} = $tag{'object'};
 762                 } elsif ($type eq "commit"){
 763                         %co = git_read_commit($ref_id);
 764                         $ref_item{'type'} = "commit";
 765                         $ref_item{'name'} = $ref_file;
 766                         $ref_item{'title'} = $co{'title'};
 767                         $ref_item{'id'} = $ref_id;
 768                 }
 769                 $ref_item{'epoch'} = $co{'committer_epoch'} || 0;
 770                 $ref_item{'age'} = $co{'age_string'} || "unknown";
 771
 772                 push @reflist, \%ref_item;
 773         }
 774         # sort tags by age
 775         @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
 776         return \@reflist;
 777 }
 778
 779 sub git_summary {
 780         my $descr = git_read_description($project) || "none";
 781         my $head = git_read_hash("$project/HEAD");
 782         my %co = git_read_commit($head);
 783         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 784
 785         my $owner;
 786         if (-f $projects_list) {
 787                 open (my $fd , $projects_list);
 788                 while (my $line = <$fd>) {
 789                         chomp $line;
 790                         my ($pr, $ow) = split ' ', $line;
 791                         $pr = unescape($pr);
 792                         $ow = unescape($ow);
 793                         if ($pr eq $project) {
 794                                 $owner = $ow;
 795                                 last;
 796                         }
 797                 }
 798                 close $fd;
 799         }
 800         if (!defined $owner) {
 801                 $owner = get_file_owner("$projectroot/$project");
 802         }
 803
 804         git_header_html();
 805         print "<div class=\"page_nav\">\n" .
 806               "summary".
 807               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
 808               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 809               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
 810               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
 811               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
 812               "<br/><br/>\n" .
 813               "</div>\n";
 814         print "<div class=\"title\">&nbsp;</div>\n";
 815         print "<table cellspacing=\"0\">\n" .
 816               "<tr><td>description</td><td>" . escapeHTML($descr) . "</td></tr>\n" .
 817               "<tr><td>owner</td><td>$owner</td></tr>\n" .
 818               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
 819               "</table>\n";
 820         open my $fd, "-|", "$gitbin/git-rev-list --max-count=17 " . git_read_hash("$project/HEAD") or die_error(undef, "Open failed.");
 821         my (@revlist) = map { chomp; $_ } <$fd>;
 822         close $fd;
 823         print "<div>\n" .
 824               $cgi->a({-href => "$my_uri?p=$project;a=shortlog", -class => "title"}, "shortlog") .
 825               "</div>\n";
 826         my $i = 16;
 827         print "<table cellspacing=\"0\">\n";
 828         my $alternate = 0;
 829         foreach my $commit (@revlist) {
 830                 my %co = git_read_commit($commit);
 831                 my %ad = date_str($co{'author_epoch'});
 832                 if ($alternate) {
 833                         print "<tr style=\"background-color:#f6f5ed\">\n";
 834                 } else {
 835                         print "<tr>\n";
 836                 }
 837                 $alternate ^= 1;
 838                 if ($i-- > 0) {
 839                         print "<td><i>$co{'age_string'}</i></td>\n" .
 840                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
 841                               "<td>" .
 842                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"},
 843                               "<b>" . escapeHTML($co{'title_short'}) . "</b>") .
 844                               "</td>\n" .
 845                               "<td class=\"link\">" .
 846                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
 847                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
 848                               "</td>\n" .
 849                               "</tr>";
 850                 } else {
 851                         print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "...") . "</td>\n" .
 852                         "</tr>";
 853                         last;
 854                 }
 855         }
 856         print "</table\n>";
 857
 858         my $taglist = git_read_refs("refs/tags");
 859         if (defined @$taglist) {
 860                 print "<div>\n" .
 861                       $cgi->a({-href => "$my_uri?p=$project;a=tags", -class => "title"}, "tags") .
 862                       "</div>\n";
 863                 my $i = 16;
 864                 print "<table cellspacing=\"0\">\n";
 865                 my $alternate = 0;
 866                 foreach my $entry (@$taglist) {
 867                         my %tag = %$entry;
 868                         if ($alternate) {
 869                                 print "<tr style=\"background-color:#f6f5ed\">\n";
 870                         } else {
 871                                 print "<tr>\n";
 872                         }
 873                         $alternate ^= 1;
 874                         if ($i-- > 0) {
 875                                 print "<td><i>$tag{'age'}</i></td>\n" .
 876                                       "<td>" .
 877                                       $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}", -class => "list"}, "<b>" .
 878                                       escapeHTML($tag{'name'}) . "</b>") .
 879                                       "</td>\n" .
 880                                       "<td class=\"link\">" .
 881                                       $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}"}, $tag{'type'});
 882                                 if ($tag{'type'} eq "commit") {
 883                                       print " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'id'}"}, "shortlog") .
 884                                             " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'id'}"}, "log");
 885                                 }
 886                                 print "</td>\n" .
 887                                       "</tr>";
 888                         } else {
 889                                 print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=tags"}, "...") . "</td>\n" .
 890                                 "</tr>";
 891                                 last;
 892                         }
 893                 }
 894                 print "</table\n>";
 895         }
 896
 897         my $branchlist = git_read_refs("refs/heads");
 898         if (defined @$branchlist) {
 899                 print "<div>\n" .
 900                       $cgi->a({-href => "$my_uri?p=$project;a=branches", -class => "title"}, "branches") .
 901                       "</div>\n";
 902                 my $i = 16;
 903                 print "<table cellspacing=\"0\">\n";
 904                 my $alternate = 0;
 905                 foreach my $entry (@$branchlist) {
 906                         my %tag = %$entry;
 907                         if ($alternate) {
 908                                 print "<tr style=\"background-color:#f6f5ed\">\n";
 909                         } else {
 910                                 print "<tr>\n";
 911                         }
 912                         $alternate ^= 1;
 913                         if ($i-- > 0) {
 914                                 print "<td><i>$tag{'age'}</i></td>\n" .
 915                                       "<td>" .
 916                                       $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'id'}", -class => "list"},
 917                                       "<b>" . escapeHTML($tag{'name'}) . "</b>") .
 918                                       "</td>\n" .
 919                                       "<td class=\"link\">" .
 920                                       $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'id'}"}, "shortlog") .
 921                                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'id'}"}, "log") .
 922                                       "</td>\n" .
 923                                       "</tr>";
 924                         } else {
 925                                 print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=branches"}, "...") . "</td>\n" .
 926                                 "</tr>";
 927                                 last;
 928                         }
 929                 }
 930                 print "</table\n>";
 931         }
 932         git_footer_html();
 933 }
 934
 935 sub git_tags {
 936         my $head = git_read_hash("$project/HEAD");
 937         git_header_html();
 938         print "<div class=\"page_nav\">\n" .
 939               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
 940               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
 941               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 942               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
 943               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
 944               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;hb=$head"}, "tree") . "<br/>\n" .
 945               "<br/>\n" .
 946               "</div>\n";
 947         my $taglist = git_read_refs("refs/tags");
 948         print "<div>\n" .
 949               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
 950               "</div>\n";
 951         print "<table cellspacing=\"0\">\n";
 952         my $alternate = 0;
 953         if (defined @$taglist) {
 954                 foreach my $entry (@$taglist) {
 955                         my %tag = %$entry;
 956                         if ($alternate) {
 957                                 print "<tr style=\"background-color:#f6f5ed\">\n";
 958                         } else {
 959                                 print "<tr>\n";
 960                         }
 961                         $alternate ^= 1;
 962                         print "<td><i>$tag{'age'}</i></td>\n" .
 963                               "<td>" .
 964                               $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'id'}", -class => "list"},
 965                               "<b>" . escapeHTML($tag{'name'}) . "</b>") .
 966                               "</td>\n" .
 967                               "<td class=\"link\">" .
 968                               $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}"}, $tag{'type'});
 969                         if ($tag{'type'} eq "commit") {
 970                               print " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'id'}"}, "shortlog") .
 971                                     " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'id'}"}, "log");
 972                         }
 973                         print "</td>\n" .
 974                               "</tr>";
 975                 }
 976         }
 977         print "</table\n>";
 978         git_footer_html();
 979 }
 980
 981 sub git_branches {
 982         my $head = git_read_hash("$project/HEAD");
 983         git_header_html();
 984         print "<div class=\"page_nav\">\n" .
 985               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
 986               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
 987               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 988               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
 989               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
 990               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;hb=$head"}, "tree") . "<br/>\n" .
 991               "<br/>\n" .
 992               "</div>\n";
 993         my $taglist = git_read_refs("refs/heads");
 994         print "<div>\n" .
 995               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
 996               "</div>\n";
 997         print "<table cellspacing=\"0\">\n";
 998         my $alternate = 0;
 999         if (defined @$taglist) {
1000                 foreach my $entry (@$taglist) {
1001                         my %tag = %$entry;
1002                         if ($alternate) {
1003                                 print "<tr style=\"background-color:#f6f5ed\">\n";
1004                         } else {
1005                                 print "<tr>\n";
1006                         }
1007                         $alternate ^= 1;
1008                         print "<td><i>$tag{'age'}</i></td>\n" .
1009                               "<td>" .
1010                               $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'id'}", -class => "list"}, "<b>" . escapeHTML($tag{'name'}) . "</b>") .
1011                               "</td>\n" .
1012                               "<td class=\"link\">" .
1013                               $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'id'}"}, "shortog") .
1014                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'id'}"}, "log") .
1015                               "</td>\n" .
1016                               "</tr>";
1017                 }
1018         }
1019         print "</table\n>";
1020         git_footer_html();
1021 }
1022
1023 sub git_get_hash_by_path {
1024         my $base = shift;
1025         my $path = shift || return undef;
1026
1027         my $tree = $base;
1028         my @parts = split '/', $path;
1029         while (my $part = shift @parts) {
1030                 open my $fd, "-|", "$gitbin/git-ls-tree $tree" or die_error(undef, "Open git-ls-tree failed.");
1031                 my (@entries) = map { chomp; $_ } <$fd>;
1032                 close $fd or return undef;
1033                 foreach my $line (@entries) {
1034                         #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1035                         $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1036                         my $t_mode = $1;
1037                         my $t_type = $2;
1038                         my $t_hash = $3;
1039                         my $t_name = $4;
1040                         if ($t_name eq $part) {
1041                                 if (!(@parts)) {
1042                                         return $t_hash;
1043                                 }
1044                                 if ($t_type eq "tree") {
1045                                         $tree = $t_hash;
1046                                 }
1047                                 last;
1048                         }
1049                 }
1050         }
1051 }
1052
1053 sub git_blob {
1054         if (!defined $hash && defined $file_name) {
1055                 my $base = $hash_base || git_read_hash("$project/HEAD");
1056                 $hash = git_get_hash_by_path($base, $file_name, "blob");
1057         }
1058         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or die_error(undef, "Open failed.");
1059         my $base = $file_name || "";
1060         git_header_html();
1061         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1062                 print "<div class=\"page_nav\">\n" .
1063                       $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1064                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1065                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1066                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1067                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1068                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree") . "<br/>\n";
1069                 print $cgi->a({-href => "$my_uri?p=$project;a=blob_plain;h=$hash"}, "plain") . "<br/>\n" .
1070                       "</div>\n";
1071                 print "<div>" .
1072                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) .
1073                       "</div>\n";
1074         } else {
1075                 print "<div class=\"page_nav\">\n" .
1076                       "<br/><br/></div>\n" .
1077                       "<div class=\"title\">$hash</div>\n";
1078         }
1079         if (defined $file_name) {
1080                 print "<div class=\"page_path\"><b>$file_name</b></div>\n";
1081         }
1082         print "<div class=\"page_body\">\n";
1083         my $nr;
1084         while (my $line = <$fd>) {
1085                 chomp $line;
1086                 $nr++;
1087                 while ((my $pos = index($line, "\t")) != -1) {
1088                         if (my $count = (8 - ($pos % 8))) {
1089                                 my $spaces = ' ' x $count;
1090                                 $line =~ s/\t/$spaces/;
1091                         }
1092                 }
1093                 printf "<div class=\"pre\"><span style=\"color:#999999;\">%4i</span> %s</div>\n", $nr, escapeHTML($line);
1094         }
1095         close $fd or print "Reading blob failed.\n";
1096         print "</div>";
1097         git_footer_html();
1098 }
1099
1100 sub git_blob_plain {
1101         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
1102         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or return;
1103         undef $/;
1104         print <$fd>;
1105         $/ = "\n";
1106         close $fd;
1107 }
1108
1109 sub git_tree {
1110         if (!defined $hash) {
1111                 $hash = git_read_hash("$project/HEAD");
1112                 if (defined $file_name) {
1113                         my $base = $hash_base || git_read_hash("$project/HEAD");
1114                         $hash = git_get_hash_by_path($base, $file_name, "tree");
1115                 }
1116                 if (!defined $hash_base) {
1117                         $hash_base = git_read_hash("$project/HEAD");
1118                 }
1119         }
1120         open my $fd, "-|", "$gitbin/git-ls-tree $hash" or die_error(undef, "Open git-ls-tree failed.");
1121         my (@entries) = map { chomp; $_ } <$fd>;
1122         close $fd or die_error(undef, "Reading tree failed.");
1123
1124         git_header_html();
1125         my $base_key = "";
1126         my $file_key = "";
1127         my $base = "";
1128         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1129                 $base_key = ";hb=$hash_base";
1130                 print "<div class=\"page_nav\">\n" .
1131                       $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1132                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash_base"}, "shortlog") .
1133                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash_base"}, "log") .
1134                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1135                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1136                       " | tree" .
1137                       "<br/><br/>\n" .
1138                       "</div>\n";
1139                 print "<div>\n" .
1140                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1141                       "</div>\n";
1142         } else {
1143                 print "<div class=\"page_nav\">\n";
1144                 print "<br/><br/></div>\n";
1145                 print "<div class=\"title\">$hash</div>\n";
1146         }
1147         if (defined $file_name) {
1148                 $base = "$file_name/";
1149                 print "<div class=\"page_path\"><b>/$file_name</b></div>\n";
1150         } else {
1151                 print "<div class=\"page_path\"><b>/</b></div>\n";
1152         }
1153         print "<div class=\"page_body\">\n";
1154         print "<table cellspacing=\"0\">\n";
1155         my $alternate = 0;
1156         foreach my $line (@entries) {
1157                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1158                 $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1159                 my $t_mode = $1;
1160                 my $t_type = $2;
1161                 my $t_hash = $3;
1162                 my $t_name = $4;
1163                 $file_key = ";f=$base$t_name";
1164                 if ($alternate) {
1165                         print "<tr style=\"background-color:#f6f5ed\">\n";
1166                 } else {
1167                         print "<tr>\n";
1168                 }
1169                 $alternate ^= 1;
1170                 print "<td style=\"font-family:monospace\">" . mode_str($t_mode) . "</td>\n";
1171                 if ($t_type eq "blob") {
1172                         print "<td class=\"list\">" .
1173                         $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key, -class => "list"}, $t_name) .
1174                         "</td>\n";
1175                         print "<td class=\"link\">" .
1176                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key}, "blob") .
1177                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base" . $file_key}, "history") .
1178                               "</td>\n";
1179                 } elsif ($t_type eq "tree") {
1180                         print "<td class=\"list\">" .
1181                               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key}, $t_name) .
1182                               "</td>\n" .
1183                               "<td></td>\n";
1184                 }
1185                 print "</tr>\n";
1186         }
1187         print "</table>\n" .
1188               "</div>";
1189         git_footer_html();
1190 }
1191
1192 sub git_rss {
1193         # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
1194         open my $fd, "-|", "$gitbin/git-rev-list --max-count=20 " . git_read_hash("$project/HEAD") or die_error(undef, "Open failed.");
1195         my (@revlist) = map { chomp; $_ } <$fd>;
1196         close $fd or die_error(undef, "Reading rev-list failed.");
1197
1198         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1199         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1200               "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
1201         print "<channel>\n";
1202         print "<title>$project</title>\n".
1203               "<link>" . escapeHTML("$my_url/$project/log") . "</link>\n".
1204               "<description>$project log</description>\n".
1205               "<language>en</language>\n";
1206
1207         foreach my $commit (@revlist) {
1208                 my %co = git_read_commit($commit);
1209                 my %cd = date_str($co{'committer_epoch'});
1210                 print "<item>\n" .
1211                       "<title>" .
1212                       sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . escapeHTML($co{'title'}) .
1213                       "</title>\n" .
1214                       "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
1215                       "<link>" . escapeHTML("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
1216                       "<description>" . escapeHTML($co{'title'}) . "</description>\n" .
1217                       "<content:encoded>" .
1218                       "<![CDATA[\n";
1219                 my $comment = $co{'comment'};
1220                 foreach my $line (@$comment) {
1221                         print "$line<br/>\n";
1222                 }
1223                 print "]]>\n" .
1224                       "</content:encoded>\n" .
1225                       "</item>\n";
1226         }
1227         print "</channel></rss>";
1228 }
1229
1230 sub git_log {
1231         my $head = git_read_hash("$project/HEAD");
1232         if (!defined $hash) {
1233                 $hash = $head;
1234         }
1235         my $limit_option = "";
1236         if (!defined $time_back) {
1237                 $limit_option = "--max-count=100";
1238         } elsif ($time_back > 0) {
1239                 my $date = time - $time_back*24*60*60;
1240                 $limit_option = "--max-age=$date";
1241         }
1242         open my $fd, "-|", "$gitbin/git-rev-list $limit_option $hash" or die_error(undef, "Open failed.");
1243         my (@revlist) = map { chomp; $_ } <$fd>;
1244         close $fd or die_error(undef, "Reading rev-list failed.");
1245
1246         git_header_html();
1247         print "<div class=\"page_nav\">\n";
1248         print $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1249               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash"}, "shortlog") .
1250               " | log" .
1251               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1252               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
1253               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash;hb=$hash"}, "tree") . "<br/>\n";
1254         if ($hash ne $head) {
1255                 print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "HEAD") . " &sdot; ";
1256         }
1257         print $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "100") .
1258               " &sdot; " . $cgi->a({-href => "$my_uri?p=$project;a=log;t=1;h=$hash"}, "day") .
1259               " &sdot; " .$cgi->a({-href => "$my_uri?p=$project;a=log;t=7;h=$hash"}, "week") .
1260               " &sdot; " . $cgi->a({-href => "$my_uri?p=$project;a=log;t=31;h=$hash"}, "month") .
1261               " &sdot; " . $cgi->a({-href => "$my_uri?p=$project;a=log;t=365;h=$hash"}, "year") .
1262               " &sdot; " . $cgi->a({-href => "$my_uri?p=$project;a=log;t=0;h=$hash"}, "all");
1263         print "<br/>\n" .
1264               "</div>\n";
1265         if (!@revlist) {
1266                 print "<div>\n" .
1267                       $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
1268                       "</div>\n";
1269                 my %co = git_read_commit($hash);
1270                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1271         }
1272         foreach my $commit (@revlist) {
1273                 my %co = git_read_commit($commit);
1274                 next if !%co;
1275                 my %ad = date_str($co{'author_epoch'});
1276                 print "<div>\n" .
1277                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "title"},
1278                       "<span class=\"age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
1279                       "</div>\n";
1280                 print "<div class=\"title_text\">\n" .
1281                       "<div class=\"log_link\">\n" .
1282                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1283                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
1284                       "<br/>\n" .
1285                       "</div>\n" .
1286                       "<i>" . escapeHTML($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1287                       "</div>\n" .
1288                       "<div class=\"log_body\">\n";
1289                 my $comment = $co{'comment'};
1290                 my $empty = 0;
1291                 foreach my $line (@$comment) {
1292                         if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1293                                 next;
1294                         }
1295                         if ($line eq "") {
1296                                 if ($empty) {
1297                                         next;
1298                                 }
1299                                 $empty = 1;
1300                         } else {
1301                                 $empty = 0;
1302                         }
1303                         print escapeHTML($line) . "<br/>\n";
1304                 }
1305                 if (!$empty) {
1306                         print "<br/>\n";
1307                 }
1308                 print "</div>\n";
1309         }
1310         git_footer_html();
1311 }
1312
1313 sub git_commit {
1314         my %co = git_read_commit($hash);
1315         if (!%co) {
1316                 die_error(undef, "Unknown commit object.");
1317         }
1318         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1319         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1320
1321         my @difftree;
1322         my $root = "";
1323         if (!defined $co{'parent'}) {
1324                 $root = " --root";
1325         }
1326         open my $fd, "-|", "$gitbin/git-diff-tree -r $root $co{'parent'} $hash" or die_error(undef, "Open failed.");
1327         @difftree = map { chomp; $_ } <$fd>;
1328         close $fd or die_error(undef, "Reading diff-tree failed.");
1329         git_header_html();
1330         print "<div class=\"page_nav\">\n" .
1331               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1332               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash"}, "shortlog") .
1333               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
1334               " | commit";
1335         if (defined $co{'parent'}) {
1336                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff");
1337         }
1338         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") . "\n" .
1339               "<br/><br/></div>\n";
1340         if (defined $co{'parent'}) {
1341                 print "<div>\n" .
1342                       $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1343                       "</div>\n";
1344         } else {
1345                 print "<div>\n" .
1346                       $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1347                       "</div>\n";
1348         }
1349         print "<div class=\"title_text\">\n" .
1350               "<table cellspacing=\"0\">\n";
1351         print "<tr><td>author</td><td>" . escapeHTML($co{'author'}) . "</td></tr>\n".
1352               "<tr>" .
1353               "<td></td><td> $ad{'rfc2822'}";
1354         if ($ad{'hour_local'} < 6) {
1355                 printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1356         } else {
1357                 printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1358         }
1359         print "</td>" .
1360               "</tr>\n";
1361         print "<tr><td>committer</td><td>" . escapeHTML($co{'committer'}) . "</td></tr>\n";
1362         print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1363         print "<tr><td>commit</td><td style=\"font-family:monospace\">$hash</td></tr>\n";
1364         print "<tr>" .
1365               "<td>tree</td>" .
1366               "<td style=\"font-family:monospace\">" .
1367               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash", class => "list"}, $co{'tree'}) .
1368               "</td>" .
1369               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
1370               "</td>" .
1371               "</tr>\n";
1372         my $parents  = $co{'parents'};
1373         foreach my $par (@$parents) {
1374                 print "<tr>" .
1375                       "<td>parent</td>" .
1376                       "<td style=\"font-family:monospace\">" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par", class => "list"}, $par) . "</td>" .
1377                       "<td class=\"link\">" .
1378                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, "commit") .
1379                       " |" . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash;hp=$par"}, "commitdiff") .
1380                       "</td>" .
1381                       "</tr>\n";
1382         }
1383         print "</table>".
1384               "</div>\n";
1385         print "<div class=\"page_body\">\n";
1386         my $comment = $co{'comment'};
1387         my $empty = 0;
1388         my $signed = 0;
1389         foreach my $line (@$comment) {
1390                 # print only one empty line
1391                 if ($line eq "") {
1392                         if ($empty || $signed) {
1393                                 next;
1394                         }
1395                         $empty = 1;
1396                 } else {
1397                         $empty = 0;
1398                 }
1399                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1400                         $signed = 1;
1401                         print "<span style=\"color: #888888\">" . escapeHTML($line) . "</span><br/>\n";
1402                 } else {
1403                         $signed = 0;
1404                         print escapeHTML($line) . "<br/>\n";
1405                 }
1406         }
1407         print "</div>\n";
1408         print "<div class=\"list_head\">\n";
1409         if ($#difftree > 10) {
1410                 print(($#difftree + 1) . " files changed:\n");
1411         }
1412         print "</div>\n";
1413         print "<table cellspacing=\"0\">\n";
1414         my $alternate = 0;
1415         foreach my $line (@difftree) {
1416                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1417                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1418                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
1419                 my $from_mode = $1;
1420                 my $to_mode = $2;
1421                 my $from_id = $3;
1422                 my $to_id = $4;
1423                 my $status = $5;
1424                 my $file = $6;
1425                 #print "$line ($status)<br/>\n";
1426                 if ($alternate) {
1427                         print "<tr style=\"background-color:#f6f5ed\">\n";
1428                 } else {
1429                         print "<tr>\n";
1430                 }
1431                 $alternate ^= 1;
1432                 if ($status eq "N") {
1433                         my $mode_chng = "";
1434                         if (S_ISREG(oct $to_mode)) {
1435                                 $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
1436                         }
1437                         print "<td>" .
1438                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hp=$hash;f=$file", -class => "list"}, escapeHTML($file)) . "</td>\n" .
1439                               "<td><span style=\"color: #008000;\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
1440                               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "blob") . "</td>\n";
1441                 } elsif ($status eq "D") {
1442                         print "<td>" .
1443                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file)) . "</td>\n" .
1444                               "<td><span style=\"color: #c00000;\">[deleted " . file_type($from_mode). "]</span></td>\n" .
1445                               "<td class=\"link\">" .
1446                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, "blob") .
1447                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") .
1448                               "</td>\n"
1449                 } elsif ($status eq "M" || $status eq "T") {
1450                         my $mode_chnge = "";
1451                         if ($from_mode != $to_mode) {
1452                                 $mode_chnge = " <span style=\"color: #777777;\">[changed";
1453                                 if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
1454                                         $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
1455                                 }
1456                                 if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
1457                                         if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
1458                                                 $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
1459                                         } elsif (S_ISREG($to_mode)) {
1460                                                 $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
1461                                         }
1462                                 }
1463                                 $mode_chnge .= "]</span>\n";
1464                         }
1465                         print "<td>";
1466                         if ($to_id ne $from_id) {
1467                                 print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file));
1468                         } else {
1469                                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file));
1470                         }
1471                         print "</td>\n" .
1472                               "<td>$mode_chnge</td>\n" .
1473                               "<td class=\"link\">";
1474                         print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "blob");
1475                         if ($to_id ne $from_id) {
1476                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"}, "diff");
1477                         }
1478                         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n";
1479                         print "</td>\n";
1480                 }
1481                 print "</tr>\n";
1482         }
1483         print "</table>\n";
1484         git_footer_html();
1485 }
1486
1487 sub git_blobdiff {
1488         mkdir($git_temp, 0700);
1489         git_header_html();
1490         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1491                 print "<div class=\"page_nav\">\n" .
1492                       $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1493                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1494                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1495                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1496                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1497                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree") .
1498                       "<br/>\n";
1499                 print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent"}, "plain") .
1500                       "</div>\n";
1501                 print "<div>\n" .
1502                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1503                       "</div>\n";
1504         } else {
1505                 print "<div class=\"page_nav\">\n" .
1506                       "<br/><br/></div>\n" .
1507                       "<div class=\"title\">$hash vs $hash_parent</div>\n";
1508         }
1509         if (defined $file_name) {
1510                 print "<div class=\"page_path\"><b>/$file_name</b></div>\n";
1511         }
1512         print "<div class=\"page_body\">\n" .
1513               "<div class=\"diff_info\">blob:" .
1514               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name"}, $hash_parent) .
1515               " -> blob:" .
1516               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name"}, $hash) .
1517               "</div>\n";
1518         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
1519         print "</div>";
1520         git_footer_html();
1521 }
1522
1523 sub git_blobdiff_plain {
1524         mkdir($git_temp, 0700);
1525         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
1526         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
1527 }
1528
1529 sub git_commitdiff {
1530         mkdir($git_temp, 0700);
1531         my %co = git_read_commit($hash);
1532         if (!%co) {
1533                 die_error(undef, "Unknown commit object.");
1534         }
1535         if (!defined $hash_parent) {
1536                 $hash_parent = $co{'parent'};
1537         }
1538         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
1539         my (@difftree) = map { chomp; $_ } <$fd>;
1540         close $fd or die_error(undef, "Reading diff-tree failed.");
1541
1542         git_header_html();
1543         print "<div class=\"page_nav\">\n" .
1544               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1545               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash"}, "shortlog") .
1546               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
1547               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1548               " | commitdiff" .
1549               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") . "<br/>\n";
1550         print $cgi->a({-href => "$my_uri?p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent"}, "plain") . "\n" .
1551               "</div>\n";
1552         print "<div>\n" .
1553               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1554               "</div>\n";
1555         print "<div class=\"page_body\">\n";
1556         my $comment = $co{'comment'};
1557         my $empty = 0;
1558         my $signed = 0;
1559         my @log = @$comment;
1560         # remove first and empty lines after that
1561         shift @log;
1562         while (defined $log[0] && $log[0] eq "") {
1563                 shift @log;
1564         }
1565         foreach my $line (@log) {
1566                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1567                         next;
1568                 }
1569                 if ($line eq "") {
1570                         if ($empty) {
1571                                 next;
1572                         }
1573                         $empty = 1;
1574                 } else {
1575                         $empty = 0;
1576                 }
1577                 print escapeHTML($line) . "<br/>\n";
1578         }
1579         print "<br/>\n";
1580         foreach my $line (@difftree) {
1581                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1582                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1583                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
1584                 my $from_mode = $1;
1585                 my $to_mode = $2;
1586                 my $from_id = $3;
1587                 my $to_id = $4;
1588                 my $status = $5;
1589                 my $file = $6;
1590                 if ($status eq "N") {
1591                         print "<div class=\"diff_info\">" .  file_type($to_mode) . ":" .
1592                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id) . "(new)" .
1593                               "</div>\n";
1594                         git_diff_print(undef, "/dev/null", $to_id, "b/$file");
1595                 } elsif ($status eq "D") {
1596                         print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
1597                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) . "(deleted)" .
1598                               "</div>\n";
1599                         git_diff_print($from_id, "a/$file", undef, "/dev/null");
1600                 } elsif ($status eq "M") {
1601                         if ($from_id ne $to_id) {
1602                                 print "<div class=\"diff_info\">" .
1603                                       file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) .
1604                                       " -> " .
1605                                       file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id);
1606                                 print "</div>\n";
1607                                 git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
1608                         }
1609                 }
1610         }
1611         print "<br/>\n" .
1612               "</div>";
1613         git_footer_html();
1614 }
1615
1616 sub git_commitdiff_plain {
1617         mkdir($git_temp, 0700);
1618         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
1619         my (@difftree) = map { chomp; $_ } <$fd>;
1620         close $fd or die_error(undef, "Reading diff-tree failed.");
1621
1622         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
1623         foreach my $line (@difftree) {
1624                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
1625                 my $from_id = $3;
1626                 my $to_id = $4;
1627                 my $status = $5;
1628                 my $file = $6;
1629                 if ($status eq "N") {
1630                         git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
1631                 } elsif ($status eq "D") {
1632                         git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
1633                 } elsif ($status eq "M") {
1634                         git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
1635                 }
1636         }
1637 }
1638
1639 sub git_history {
1640         if (!defined $hash) {
1641                 $hash = git_read_hash("$project/HEAD");
1642         }
1643         my %co = git_read_commit($hash);
1644         if (!%co) {
1645                 die_error(undef, "Unknown commit object.");
1646         }
1647         git_header_html();
1648         print "<div class=\"page_nav\">\n" .
1649               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1650               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1651               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1652               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1653               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
1654               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
1655               "<br/><br/>\n" .
1656               "</div>\n";
1657         print "<div>\n" .
1658               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1659               "</div>\n";
1660         print "<div class=\"page_path\"><b>/$file_name</b><br/></div>\n";
1661
1662         open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin $file_name";
1663         my $commit;
1664         print "<table cellspacing=\"0\">\n";
1665         my $alternate = 0;
1666         while (my $line = <$fd>) {
1667                 if ($line =~ m/^([0-9a-fA-F]{40}) /){
1668                         $commit = $1;
1669                         next;
1670                 }
1671                 if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/ && (defined $commit)) {
1672                         my %co = git_read_commit($commit);
1673                         if (!%co) {
1674                                 next;
1675                         }
1676                         if ($alternate) {
1677                                 print "<tr style=\"background-color:#f6f5ed\">\n";
1678                         } else {
1679                                 print "<tr>\n";
1680                         }
1681                         $alternate ^= 1;
1682                         print "<td><i>$co{'age_string'}</i></td>\n" .
1683                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
1684                               "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"}, "<b>" .
1685                               escapeHTML(chop_str($co{'title'}, 50)) . "</b>") . "</td>\n" .
1686                               "<td class=\"link\">" .
1687                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1688                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=blob;hb=$commit;f=$file_name"}, "blob");
1689                         my $blob = git_get_hash_by_path($hash, $file_name);
1690                         my $blob_parent = git_get_hash_by_path($commit, $file_name);
1691                         if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
1692                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name"}, "diff to current");
1693                         }
1694                         print "</td>\n" .
1695                               "</tr>\n";
1696                         undef $commit;
1697                 }
1698         }
1699         print "</table>\n";
1700         close $fd;
1701         git_footer_html();
1702 }
1703
1704 sub git_search {
1705         if (!defined $searchtext) {
1706                 die_error("", "Text field empty.");
1707         }
1708         if (!defined $hash) {
1709                 $hash = git_read_hash("$project/HEAD");
1710         }
1711         my %co = git_read_commit($hash);
1712         if (!%co) {
1713                 die_error(undef, "Unknown commit object.");
1714         }
1715         git_header_html();
1716         print "<div class=\"page_nav\">\n" .
1717               $cgi->a({-href => "$my_uri?p=$project;a=summary;h=$hash"}, "summary") .
1718               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1719               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
1720               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1721               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
1722               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
1723               "<br/><br/>\n" .
1724               "</div>\n";
1725
1726         print "<div>\n" .
1727               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1728               "</div>\n";
1729         print "<table cellspacing=\"0\">\n";
1730         $/ = "\0";
1731         open my $fd, "-|", "$gitbin/git-rev-list --header $hash";
1732         my $alternate = 0;
1733         while (my $commit_text = <$fd>) {
1734                 if (!grep m/$searchtext/, $commit_text) {
1735                         next;
1736                 }
1737                 my @commit_lines = split "\n", $commit_text;
1738                 my $commit = shift @commit_lines;
1739                 my %co = git_read_commit($commit, \@commit_lines);
1740                 if (!%co) {
1741                         next;
1742                 }
1743                 if ($alternate) {
1744                         print "<tr style=\"background-color:#f6f5ed\">\n";
1745                 } else {
1746                         print "<tr>\n";
1747                 }
1748                 $alternate ^= 1;
1749                 print "<td><i>$co{'age_string'}</i></td>\n" .
1750                       "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
1751                       "<td>" .
1752                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"}, "<b>" . escapeHTML(chop_str($co{'title'}, 50)) . "</b><br/>");
1753                 my $comment = $co{'comment'};
1754                 foreach my $line (@$comment) {
1755                         if ($line =~ m/^(.*)($searchtext)(.*)$/) {
1756                                 my $lead = escapeHTML($1) || "";
1757                                 $lead = chop_str($lead, 30, 10);
1758                                 my $match = escapeHTML($2) || "";
1759                                 my $trail = escapeHTML($3) || "";
1760                                 $trail = chop_str($trail, 30, 10);
1761                                 my $text = "$lead<span style=\"color:#e00000\">$match</span>$trail";
1762                                 print chop_str($text, 80, 5) . "<br/>\n";
1763                         }
1764                 }
1765                 print "</td>\n" .
1766                       "<td class=\"link\">" .
1767                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1768                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$commit"}, "tree");
1769                 print "</td>\n" .
1770                       "</tr>\n";
1771         }
1772         close $fd;
1773
1774         $/ = "\n";
1775         open $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -S$searchtext";
1776         undef %co;
1777         my @files;
1778         while (my $line = <$fd>) {
1779                 if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
1780                         my %set;
1781                         $set{'file'} = $6;
1782                         $set{'from_id'} = $3;
1783                         $set{'to_id'} = $4;
1784                         $set{'id'} = $set{'to_id'};
1785                         if ($set{'id'} =~ m/0{40}/) {
1786                                 $set{'id'} = $set{'from_id'};
1787                         }
1788                         if ($set{'id'} =~ m/0{40}/) {
1789                                 next;
1790                         }
1791                         push @files, \%set;
1792                 } elsif ($line =~ m/^([0-9a-fA-F]{40}) /){
1793                         if (%co) {
1794                                 if ($alternate) {
1795                                         print "<tr style=\"background-color:#f6f5ed\">\n";
1796                                 } else {
1797                                         print "<tr>\n";
1798                                 }
1799                                 $alternate ^= 1;
1800                                 print "<td><i>$co{'age_string'}</i></td>\n" .
1801                                       "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
1802                                       "<td>" .
1803                                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$co{'id'}", -class => "list"}, "<b>" .
1804                                       escapeHTML(chop_str($co{'title'}, 50)) . "</b><br/>");
1805                                 while (my $setref = shift @files) {
1806                                         my %set = %$setref;
1807                                         print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}", class => "list"},
1808                                         escapeHTML($set{'file'})) . "<br/>\n";
1809                                 }
1810                                 print "</td>\n" .
1811                                       "<td class=\"link\">" .
1812                                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$co{'id'}"}, "commit") .
1813                                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}"}, "tree");
1814                                 print "</td>\n" .
1815                                       "</tr>\n";
1816                         }
1817                         %co = git_read_commit($1);
1818                 }
1819         }
1820         print "</table>\n";
1821         close $fd;
1822         git_footer_html();
1823 }
1824
1825 sub git_shortlog {
1826         my $head = git_read_hash("$project/HEAD");
1827         if (!defined $hash) {
1828                 $hash = $head;
1829         }
1830
1831         git_header_html();
1832         print "<div class=\"page_nav\">\n" .
1833               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1834               " | shortlog" .
1835               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
1836               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1837               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
1838               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash;hb=$hash"}, "tree") . "<br/>\n";
1839         if ($hash ne $head) {
1840                 print $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "HEAD") . " &sdot; ";
1841         }
1842         print $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash"}, "100") .
1843               " &sdot; " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;t=1;h=$hash"}, "day") .
1844               " &sdot; " .$cgi->a({-href => "$my_uri?p=$project;a=shortlog;t=7;h=$hash"}, "week") .
1845               " &sdot; " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;t=31;h=$hash"}, "month") .
1846               " &sdot; " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;t=365;h=$hash"}, "year") .
1847               " &sdot; " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;t=0;h=$hash"}, "all") .
1848               "<br/>\n" .
1849               "</div>\n";
1850         my $limit = "";
1851         if (defined $time_back) {
1852                 if ($time_back) {
1853                         $limit = sprintf(" --max-age=%i", time - 60*60*24*$time_back);
1854                 }
1855         } else {
1856                 $limit = " --max-count=100";
1857         }
1858         open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
1859         my (@revlist) = map { chomp; $_ } <$fd>;
1860         close $fd;
1861         print "<div>\n" .
1862               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
1863               "</div>\n";
1864         print "<table cellspacing=\"0\">\n";
1865         if (!@revlist) {
1866                 my %co = git_read_commit($hash);
1867                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1868         }
1869         my $alternate = 0;
1870         foreach my $commit (@revlist) {
1871                 my %co = git_read_commit($commit);
1872                 my %ad = date_str($co{'author_epoch'});
1873                 if ($alternate) {
1874                         print "<tr style=\"background-color:#f6f5ed\">\n";
1875                 } else {
1876                         print "<tr>\n";
1877                 }
1878                 $alternate ^= 1;
1879                 print "<td><i>$co{'age_string'}</i></td>\n" .
1880                       "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1881                       "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"}, "<b>" .
1882                       escapeHTML($co{'title_short'}) . "</b>") . "</td>\n" .
1883                       "<td class=\"link\">" .
1884                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1885                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
1886                       "</td>\n" .
1887                       "</tr>";
1888         }
1889         print "</table\n>";
1890         git_footer_html();
1891 }