gitweb.cgi

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