gitweb/gitweb.cgi

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