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 our $cgi = new CGI;
  20 our $version = "267";
  21 our $my_url = $cgi->url();
  22 our $my_uri = $cgi->url(-absolute => 1);
  23 our $rss_link = "";
  24
  25 # core git executable to use
  26 # this can just be "git" if your webserver has a sensible PATH
  27 our $GIT = "/usr/bin/git";
  28
  29 # absolute fs-path which will be prepended to the project path
  30 #our $projectroot = "/pub/scm";
  31 our $projectroot = "/home/kay/public_html/pub/scm";
  32
  33 # version of the core git binary
  34 our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
  35
  36 # location for temporary files needed for diffs
  37 our $git_temp = "/tmp/gitweb";
  38 if (! -d $git_temp) {
  39     mkdir($git_temp, 0700) || die_error("Couldn't mkdir $git_temp");
  40 }
  41
  42 # target of the home link on top of all pages
  43 our $home_link = $my_uri;
  44
  45 # name of your site or organization to appear in page titles
  46 # replace this with something more descriptive for clearer bookmarks
  47 our $site_name = $ENV{'SERVER_NAME'} || "Untitled";
  48
  49 # html text to include at home page
  50 our $home_text = "indextext.html";
  51
  52 # URI of default stylesheet
  53 our $stylesheet = "gitweb.css";
  54
  55 # source of projects list
  56 #our $projects_list = $projectroot;
  57 our $projects_list = "index/index.aux";
  58
  59 # default blob_plain mimetype and default charset for text/plain blob
  60 our $default_blob_plain_mimetype = 'text/plain';
  61 our $default_text_plain_charset  = undef;
  62
  63 # file to use for guessing MIME types before trying /etc/mime.types
  64 # (relative to the current git repository)
  65 our $mimetypes_file = undef;
  66
  67 # input validation and dispatch
  68 our $action = $cgi->param('a');
  69 if (defined $action) {
  70         if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
  71                 undef $action;
  72                 die_error(undef, "Invalid action parameter.");
  73         }
  74         if ($action eq "git-logo.png") {
  75                 git_logo();
  76                 exit;
  77         } elsif ($action eq "opml") {
  78                 git_opml();
  79                 exit;
  80         }
  81 }
  82
  83 our $order = $cgi->param('o');
  84 if (defined $order) {
  85         if ($order =~ m/[^0-9a-zA-Z_]/) {
  86                 undef $order;
  87                 die_error(undef, "Invalid order parameter.");
  88         }
  89 }
  90
  91 our $project = ($cgi->param('p') || $ENV{'PATH_INFO'});
  92 if (defined $project) {
  93         $project =~ s|^/||; $project =~ s|/$||;
  94         $project = validate_input($project);
  95         if (!defined($project)) {
  96                 die_error(undef, "Invalid project parameter.");
  97         }
  98         if (!(-d "$projectroot/$project")) {
  99                 undef $project;
 100                 die_error(undef, "No such directory.");
 101         }
 102         if (!(-e "$projectroot/$project/HEAD")) {
 103                 undef $project;
 104                 die_error(undef, "No such project.");
 105         }
 106         $rss_link = "<link rel=\"alternate\" title=\"" . esc_param($project) . " log\" href=\"" .
 107                     "$my_uri?" . esc_param("p=$project;a=rss") . "\" type=\"application/rss+xml\"/>";
 108         $ENV{'GIT_DIR'} = "$projectroot/$project";
 109 } else {
 110         git_project_list();
 111         exit;
 112 }
 113
 114 our $file_name = $cgi->param('f');
 115 if (defined $file_name) {
 116         $file_name = validate_input($file_name);
 117         if (!defined($file_name)) {
 118                 die_error(undef, "Invalid file parameter.");
 119         }
 120 }
 121
 122 our $hash = $cgi->param('h');
 123 if (defined $hash) {
 124         $hash = validate_input($hash);
 125         if (!defined($hash)) {
 126                 die_error(undef, "Invalid hash parameter.");
 127         }
 128 }
 129
 130 our $hash_parent = $cgi->param('hp');
 131 if (defined $hash_parent) {
 132         $hash_parent = validate_input($hash_parent);
 133         if (!defined($hash_parent)) {
 134                 die_error(undef, "Invalid hash parent parameter.");
 135         }
 136 }
 137
 138 our $hash_base = $cgi->param('hb');
 139 if (defined $hash_base) {
 140         $hash_base = validate_input($hash_base);
 141         if (!defined($hash_base)) {
 142                 die_error(undef, "Invalid hash base parameter.");
 143         }
 144 }
 145
 146 our $page = $cgi->param('pg');
 147 if (defined $page) {
 148         if ($page =~ m/[^0-9]$/) {
 149                 undef $page;
 150                 die_error(undef, "Invalid page parameter.");
 151         }
 152 }
 153
 154 our $searchtext = $cgi->param('s');
 155 if (defined $searchtext) {
 156         if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 157                 undef $searchtext;
 158                 die_error(undef, "Invalid search parameter.");
 159         }
 160         $searchtext = quotemeta $searchtext;
 161 }
 162
 163 sub validate_input {
 164         my $input = shift;
 165
 166         if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 167                 return $input;
 168         }
 169         if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 170                 return undef;
 171         }
 172         if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
 173                 return undef;
 174         }
 175         return $input;
 176 }
 177
 178 if (!defined $action || $action eq "summary") {
 179         git_summary();
 180         exit;
 181 } elsif ($action eq "heads") {
 182         git_heads();
 183         exit;
 184 } elsif ($action eq "tags") {
 185         git_tags();
 186         exit;
 187 } elsif ($action eq "blob") {
 188         git_blob();
 189         exit;
 190 } elsif ($action eq "blob_plain") {
 191         git_blob_plain();
 192         exit;
 193 } elsif ($action eq "tree") {
 194         git_tree();
 195         exit;
 196 } elsif ($action eq "rss") {
 197         git_rss();
 198         exit;
 199 } elsif ($action eq "commit") {
 200         git_commit();
 201         exit;
 202 } elsif ($action eq "log") {
 203         git_log();
 204         exit;
 205 } elsif ($action eq "blobdiff") {
 206         git_blobdiff();
 207         exit;
 208 } elsif ($action eq "blobdiff_plain") {
 209         git_blobdiff_plain();
 210         exit;
 211 } elsif ($action eq "commitdiff") {
 212         git_commitdiff();
 213         exit;
 214 } elsif ($action eq "commitdiff_plain") {
 215         git_commitdiff_plain();
 216         exit;
 217 } elsif ($action eq "history") {
 218         git_history();
 219         exit;
 220 } elsif ($action eq "search") {
 221         git_search();
 222         exit;
 223 } elsif ($action eq "shortlog") {
 224         git_shortlog();
 225         exit;
 226 } elsif ($action eq "tag") {
 227         git_tag();
 228         exit;
 229 } elsif ($action eq "blame") {
 230         git_blame2();
 231         exit;
 232 } else {
 233         undef $action;
 234         die_error(undef, "Unknown action.");
 235         exit;
 236 }
 237
 238 # quote unsafe chars, but keep the slash, even when it's not
 239 # correct, but quoted slashes look too horrible in bookmarks
 240 sub esc_param {
 241         my $str = shift;
 242         $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 243         $str =~ s/\+/%2B/g;
 244         $str =~ s/ /\+/g;
 245         return $str;
 246 }
 247
 248 # replace invalid utf8 character with SUBSTITUTION sequence
 249 sub esc_html {
 250         my $str = shift;
 251         $str = decode("utf8", $str, Encode::FB_DEFAULT);
 252         $str = escapeHTML($str);
 253         return $str;
 254 }
 255
 256 # git may return quoted and escaped filenames
 257 sub unquote {
 258         my $str = shift;
 259         if ($str =~ m/^"(.*)"$/) {
 260                 $str = $1;
 261                 $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 262         }
 263         return $str;
 264 }
 265
 266 # CSS class for given age value (in seconds)
 267 sub age_class {
 268         my $age = shift;
 269
 270         if ($age < 60*60*2) {
 271                 return "age0";
 272         } elsif ($age < 60*60*24*2) {
 273                 return "age1";
 274         } else {
 275                 return "age2";
 276         }
 277 }
 278
 279 sub git_header_html {
 280         my $status = shift || "200 OK";
 281         my $expires = shift;
 282
 283         my $title = "$site_name git";
 284         if (defined $project) {
 285                 $title .= " - $project";
 286                 if (defined $action) {
 287                         $title .= "/$action";
 288                         if (defined $file_name) {
 289                                 $title .= " - $file_name";
 290                                 if ($action eq "tree" && $file_name !~ m|/$|) {
 291                                         $title .= "/";
 292                                 }
 293                         }
 294                 }
 295         }
 296         my $content_type;
 297         # require explicit support from the UA if we are to send the page as
 298         # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
 299         # we have to do this because MSIE sometimes globs '*/*', pretending to
 300         # support xhtml+xml but choking when it gets what it asked for.
 301         if ($cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ && $cgi->Accept('application/xhtml+xml') != 0) {
 302                 $content_type = 'application/xhtml+xml';
 303         } else {
 304                 $content_type = 'text/html';
 305         }
 306         print $cgi->header(-type=>$content_type,  -charset => 'utf-8', -status=> $status, -expires => $expires);
 307         print <<EOF;
 308 <?xml version="1.0" encoding="utf-8"?>
 309 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 310 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 311 <!-- git web interface v$version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
 312 <!-- git core binaries version $git_version -->
 313 <head>
 314 <meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
 315 <meta name="robots" content="index, nofollow"/>
 316 <title>$title</title>
 317 <link rel="stylesheet" type="text/css" href="$stylesheet"/>
 318 $rss_link
 319 </head>
 320 <body>
 321 EOF
 322         print "<div class=\"page_header\">\n" .
 323               "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 324               "<img src=\"$my_uri?" . esc_param("a=git-logo.png") . "\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 325               "</a>\n";
 326         print $cgi->a({-href => esc_param($home_link)}, "projects") . " / ";
 327         if (defined $project) {
 328                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, esc_html($project));
 329                 if (defined $action) {
 330                         print " / $action";
 331                 }
 332                 print "\n";
 333                 if (!defined $searchtext) {
 334                         $searchtext = "";
 335                 }
 336                 my $search_hash;
 337                 if (defined $hash_base) {
 338                         $search_hash = $hash_base;
 339                 } elsif (defined $hash) {
 340                         $search_hash = $hash;
 341                 } else {
 342                         $search_hash = "HEAD";
 343                 }
 344                 $cgi->param("a", "search");
 345                 $cgi->param("h", $search_hash);
 346                 print $cgi->startform(-method => "get", -action => $my_uri) .
 347                       "<div class=\"search\">\n" .
 348                       $cgi->hidden(-name => "p") . "\n" .
 349                       $cgi->hidden(-name => "a") . "\n" .
 350                       $cgi->hidden(-name => "h") . "\n" .
 351                       $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 352                       "</div>" .
 353                       $cgi->end_form() . "\n";
 354         }
 355         print "</div>\n";
 356 }
 357
 358 sub git_footer_html {
 359         print "<div class=\"page_footer\">\n";
 360         if (defined $project) {
 361                 my $descr = git_read_description($project);
 362                 if (defined $descr) {
 363                         print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
 364                 }
 365                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=rss"), -class => "rss_logo"}, "RSS") . "\n";
 366         } else {
 367                 print $cgi->a({-href => "$my_uri?" . esc_param("a=opml"), -class => "rss_logo"}, "OPML") . "\n";
 368         }
 369         print "</div>\n" .
 370               "</body>\n" .
 371               "</html>";
 372 }
 373
 374 sub die_error {
 375         my $status = shift || "403 Forbidden";
 376         my $error = shift || "Malformed query, file missing or permission denied";
 377
 378         git_header_html($status);
 379         print "<div class=\"page_body\">\n" .
 380               "<br/><br/>\n" .
 381               "$status - $error\n" .
 382               "<br/>\n" .
 383               "</div>\n";
 384         git_footer_html();
 385         exit;
 386 }
 387
 388 sub git_get_type {
 389         my $hash = shift;
 390
 391         open my $fd, "-|", "$GIT cat-file -t $hash" or return;
 392         my $type = <$fd>;
 393         close $fd or return;
 394         chomp $type;
 395         return $type;
 396 }
 397
 398 sub git_read_head {
 399         my $project = shift;
 400         my $oENV = $ENV{'GIT_DIR'};
 401         my $retval = undef;
 402         $ENV{'GIT_DIR'} = "$projectroot/$project";
 403         if (open my $fd, "-|", $GIT, "rev-parse", "--verify", "HEAD") {
 404                 my $head = <$fd>;
 405                 close $fd;
 406                 if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 407                         $retval = $1;
 408                 }
 409         }
 410         if (defined $oENV) {
 411                 $ENV{'GIT_DIR'} = $oENV;
 412         }
 413         return $retval;
 414 }
 415
 416 sub git_read_hash {
 417         my $path = shift;
 418
 419         open my $fd, "$projectroot/$path" or return undef;
 420         my $head = <$fd>;
 421         close $fd;
 422         chomp $head;
 423         if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 424                 return $head;
 425         }
 426 }
 427
 428 sub git_read_description {
 429         my $path = shift;
 430
 431         open my $fd, "$projectroot/$path/description" or return undef;
 432         my $descr = <$fd>;
 433         close $fd;
 434         chomp $descr;
 435         return $descr;
 436 }
 437
 438 sub git_read_tag {
 439         my $tag_id = shift;
 440         my %tag;
 441         my @comment;
 442
 443         open my $fd, "-|", "$GIT cat-file tag $tag_id" or return;
 444         $tag{'id'} = $tag_id;
 445         while (my $line = <$fd>) {
 446                 chomp $line;
 447                 if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 448                         $tag{'object'} = $1;
 449                 } elsif ($line =~ m/^type (.+)$/) {
 450                         $tag{'type'} = $1;
 451                 } elsif ($line =~ m/^tag (.+)$/) {
 452                         $tag{'name'} = $1;
 453                 } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 454                         $tag{'author'} = $1;
 455                         $tag{'epoch'} = $2;
 456                         $tag{'tz'} = $3;
 457                 } elsif ($line =~ m/--BEGIN/) {
 458                         push @comment, $line;
 459                         last;
 460                 } elsif ($line eq "") {
 461                         last;
 462                 }
 463         }
 464         push @comment, <$fd>;
 465         $tag{'comment'} = \@comment;
 466         close $fd or return;
 467         if (!defined $tag{'name'}) {
 468                 return
 469         };
 470         return %tag
 471 }
 472
 473 sub age_string {
 474         my $age = shift;
 475         my $age_str;
 476
 477         if ($age > 60*60*24*365*2) {
 478                 $age_str = (int $age/60/60/24/365);
 479                 $age_str .= " years ago";
 480         } elsif ($age > 60*60*24*(365/12)*2) {
 481                 $age_str = int $age/60/60/24/(365/12);
 482                 $age_str .= " months ago";
 483         } elsif ($age > 60*60*24*7*2) {
 484                 $age_str = int $age/60/60/24/7;
 485                 $age_str .= " weeks ago";
 486         } elsif ($age > 60*60*24*2) {
 487                 $age_str = int $age/60/60/24;
 488                 $age_str .= " days ago";
 489         } elsif ($age > 60*60*2) {
 490                 $age_str = int $age/60/60;
 491                 $age_str .= " hours ago";
 492         } elsif ($age > 60*2) {
 493                 $age_str = int $age/60;
 494                 $age_str .= " min ago";
 495         } elsif ($age > 2) {
 496                 $age_str = int $age;
 497                 $age_str .= " sec ago";
 498         } else {
 499                 $age_str .= " right now";
 500         }
 501         return $age_str;
 502 }
 503
 504 sub git_read_commit {
 505         my $commit_id = shift;
 506         my $commit_text = shift;
 507
 508         my @commit_lines;
 509         my %co;
 510
 511         if (defined $commit_text) {
 512                 @commit_lines = @$commit_text;
 513         } else {
 514                 $/ = "\0";
 515                 open my $fd, "-|", "$GIT rev-list --header --parents --max-count=1 $commit_id" or return;
 516                 @commit_lines = split '\n', <$fd>;
 517                 close $fd or return;
 518                 $/ = "\n";
 519                 pop @commit_lines;
 520         }
 521         my $header = shift @commit_lines;
 522         if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 523                 return;
 524         }
 525         ($co{'id'}, my @parents) = split ' ', $header;
 526         $co{'parents'} = \@parents;
 527         $co{'parent'} = $parents[0];
 528         while (my $line = shift @commit_lines) {
 529                 last if $line eq "\n";
 530                 if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 531                         $co{'tree'} = $1;
 532                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 533                         $co{'author'} = $1;
 534                         $co{'author_epoch'} = $2;
 535                         $co{'author_tz'} = $3;
 536                         if ($co{'author'} =~ m/^([^<]+) </) {
 537                                 $co{'author_name'} = $1;
 538                         } else {
 539                                 $co{'author_name'} = $co{'author'};
 540                         }
 541                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 542                         $co{'committer'} = $1;
 543                         $co{'committer_epoch'} = $2;
 544                         $co{'committer_tz'} = $3;
 545                         $co{'committer_name'} = $co{'committer'};
 546                         $co{'committer_name'} =~ s/ <.*//;
 547                 }
 548         }
 549         if (!defined $co{'tree'}) {
 550                 return;
 551         };
 552
 553         foreach my $title (@commit_lines) {
 554                 $title =~ s/^    //;
 555                 if ($title ne "") {
 556                         $co{'title'} = chop_str($title, 80, 5);
 557                         # remove leading stuff of merges to make the interesting part visible
 558                         if (length($title) > 50) {
 559                                 $title =~ s/^Automatic //;
 560                                 $title =~ s/^merge (of|with) /Merge ... /i;
 561                                 if (length($title) > 50) {
 562                                         $title =~ s/(http|rsync):\/\///;
 563                                 }
 564                                 if (length($title) > 50) {
 565                                         $title =~ s/(master|www|rsync)\.//;
 566                                 }
 567                                 if (length($title) > 50) {
 568                                         $title =~ s/kernel.org:?//;
 569                                 }
 570                                 if (length($title) > 50) {
 571                                         $title =~ s/\/pub\/scm//;
 572                                 }
 573                         }
 574                         $co{'title_short'} = chop_str($title, 50, 5);
 575                         last;
 576                 }
 577         }
 578         # remove added spaces
 579         foreach my $line (@commit_lines) {
 580                 $line =~ s/^    //;
 581         }
 582         $co{'comment'} = \@commit_lines;
 583
 584         my $age = time - $co{'committer_epoch'};
 585         $co{'age'} = $age;
 586         $co{'age_string'} = age_string($age);
 587         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 588         if ($age > 60*60*24*7*2) {
 589                 $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 590                 $co{'age_string_age'} = $co{'age_string'};
 591         } else {
 592                 $co{'age_string_date'} = $co{'age_string'};
 593                 $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 594         }
 595         return %co;
 596 }
 597
 598 sub git_diff_print {
 599         my $from = shift;
 600         my $from_name = shift;
 601         my $to = shift;
 602         my $to_name = shift;
 603         my $format = shift || "html";
 604
 605         my $from_tmp = "/dev/null";
 606         my $to_tmp = "/dev/null";
 607         my $pid = $$;
 608
 609         # create tmp from-file
 610         if (defined $from) {
 611                 $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
 612                 open my $fd2, "> $from_tmp";
 613                 open my $fd, "-|", "$GIT cat-file blob $from";
 614                 my @file = <$fd>;
 615                 print $fd2 @file;
 616                 close $fd2;
 617                 close $fd;
 618         }
 619
 620         # create tmp to-file
 621         if (defined $to) {
 622                 $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
 623                 open my $fd2, "> $to_tmp";
 624                 open my $fd, "-|", "$GIT cat-file blob $to";
 625                 my @file = <$fd>;
 626                 print $fd2 @file;
 627                 close $fd2;
 628                 close $fd;
 629         }
 630
 631         open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
 632         if ($format eq "plain") {
 633                 undef $/;
 634                 print <$fd>;
 635                 $/ = "\n";
 636         } else {
 637                 while (my $line = <$fd>) {
 638                         chomp($line);
 639                         my $char = substr($line, 0, 1);
 640                         my $diff_class = "";
 641                         if ($char eq '+') {
 642                                 $diff_class = " add";
 643                         } elsif ($char eq "-") {
 644                                 $diff_class = " rem";
 645                         } elsif ($char eq "@") {
 646                                 $diff_class = " chunk_header";
 647                         } elsif ($char eq "\\") {
 648                                 # skip errors
 649                                 next;
 650                         }
 651                         while ((my $pos = index($line, "\t")) != -1) {
 652                                 if (my $count = (8 - (($pos-1) % 8))) {
 653                                         my $spaces = ' ' x $count;
 654                                         $line =~ s/\t/$spaces/;
 655                                 }
 656                         }
 657                         print "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
 658                 }
 659         }
 660         close $fd;
 661
 662         if (defined $from) {
 663                 unlink($from_tmp);
 664         }
 665         if (defined $to) {
 666                 unlink($to_tmp);
 667         }
 668 }
 669
 670 sub mode_str {
 671         my $mode = oct shift;
 672
 673         if (S_ISDIR($mode & S_IFMT)) {
 674                 return 'drwxr-xr-x';
 675         } elsif (S_ISLNK($mode)) {
 676                 return 'lrwxrwxrwx';
 677         } elsif (S_ISREG($mode)) {
 678                 # git cares only about the executable bit
 679                 if ($mode & S_IXUSR) {
 680                         return '-rwxr-xr-x';
 681                 } else {
 682                         return '-rw-r--r--';
 683                 };
 684         } else {
 685                 return '----------';
 686         }
 687 }
 688
 689 sub chop_str {
 690         my $str = shift;
 691         my $len = shift;
 692         my $add_len = shift || 10;
 693
 694         # allow only $len chars, but don't cut a word if it would fit in $add_len
 695         # if it doesn't fit, cut it if it's still longer than the dots we would add
 696         $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 697         my $body = $1;
 698         my $tail = $2;
 699         if (length($tail) > 4) {
 700                 $tail = " ...";
 701         }
 702         return "$body$tail";
 703 }
 704
 705 sub file_type {
 706         my $mode = oct shift;
 707
 708         if (S_ISDIR($mode & S_IFMT)) {
 709                 return "directory";
 710         } elsif (S_ISLNK($mode)) {
 711                 return "symlink";
 712         } elsif (S_ISREG($mode)) {
 713                 return "file";
 714         } else {
 715                 return "unknown";
 716         }
 717 }
 718
 719 sub format_log_line_html {
 720         my $line = shift;
 721
 722         $line = esc_html($line);
 723         $line =~ s/ /&nbsp;/g;
 724         if ($line =~ m/([0-9a-fA-F]{40})/) {
 725                 my $hash_text = $1;
 726                 if (git_get_type($hash_text) eq "commit") {
 727                         my $link = $cgi->a({-class => "text", -href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_text")}, $hash_text);
 728                         $line =~ s/$hash_text/$link/;
 729                 }
 730         }
 731         return $line;
 732 }
 733
 734 sub date_str {
 735         my $epoch = shift;
 736         my $tz = shift || "-0000";
 737
 738         my %date;
 739         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 740         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 741         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 742         $date{'hour'} = $hour;
 743         $date{'minute'} = $min;
 744         $date{'mday'} = $mday;
 745         $date{'day'} = $days[$wday];
 746         $date{'month'} = $months[$mon];
 747         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 748         $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 749
 750         $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 751         my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 752         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 753         $date{'hour_local'} = $hour;
 754         $date{'minute_local'} = $min;
 755         $date{'tz_local'} = $tz;
 756         return %date;
 757 }
 758
 759 # git-logo (cached in browser for one day)
 760 sub git_logo {
 761         binmode STDOUT, ':raw';
 762         print $cgi->header(-type => 'image/png', -expires => '+1d');
 763         # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 764         print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 765                 "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 766                 "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 767                 "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 768                 "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 769                 "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 770                 "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 771                 "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 772                 "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 773                 "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 774                 "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 775                 "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 776                 "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 777 }
 778
 779 sub get_file_owner {
 780         my $path = shift;
 781
 782         my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 783         my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 784         if (!defined $gcos) {
 785                 return undef;
 786         }
 787         my $owner = $gcos;
 788         $owner =~ s/[,;].*$//;
 789         return decode("utf8", $owner, Encode::FB_DEFAULT);
 790 }
 791
 792 sub git_read_projects {
 793         my @list;
 794
 795         if (-d $projects_list) {
 796                 # search in directory
 797                 my $dir = $projects_list;
 798                 opendir my $dh, $dir or return undef;
 799                 while (my $dir = readdir($dh)) {
 800                         if (-e "$projectroot/$dir/HEAD") {
 801                                 my $pr = {
 802                                         path => $dir,
 803                                 };
 804                                 push @list, $pr
 805                         }
 806                 }
 807                 closedir($dh);
 808         } elsif (-f $projects_list) {
 809                 # read from file(url-encoded):
 810                 # 'git%2Fgit.git Linus+Torvalds'
 811                 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 812                 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 813                 open my $fd , $projects_list or return undef;
 814                 while (my $line = <$fd>) {
 815                         chomp $line;
 816                         my ($path, $owner) = split ' ', $line;
 817                         $path = unescape($path);
 818                         $owner = unescape($owner);
 819                         if (!defined $path) {
 820                                 next;
 821                         }
 822                         if (-e "$projectroot/$path/HEAD") {
 823                                 my $pr = {
 824                                         path => $path,
 825                                         owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 826                                 };
 827                                 push @list, $pr
 828                         }
 829                 }
 830                 close $fd;
 831         }
 832         @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 833         return @list;
 834 }
 835
 836 sub git_get_project_config {
 837         my $key = shift;
 838
 839         return unless ($key);
 840         $key =~ s/^gitweb\.//;
 841         return if ($key =~ m/\W/);
 842
 843         my $val = qx($GIT repo-config --get gitweb.$key);
 844         return ($val);
 845 }
 846
 847 sub git_get_project_config_bool {
 848         my $val = git_get_project_config (@_);
 849         if ($val and $val =~ m/true|yes|on/) {
 850                 return (1);
 851         }
 852         return; # implicit false
 853 }
 854
 855 sub git_project_list {
 856         my @list = git_read_projects();
 857         my @projects;
 858         if (!@list) {
 859                 die_error(undef, "No project found.");
 860         }
 861         foreach my $pr (@list) {
 862                 my $head = git_read_head($pr->{'path'});
 863                 if (!defined $head) {
 864                         next;
 865                 }
 866                 $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
 867                 my %co = git_read_commit($head);
 868                 if (!%co) {
 869                         next;
 870                 }
 871                 $pr->{'commit'} = \%co;
 872                 if (!defined $pr->{'descr'}) {
 873                         my $descr = git_read_description($pr->{'path'}) || "";
 874                         $pr->{'descr'} = chop_str($descr, 25, 5);
 875                 }
 876                 if (!defined $pr->{'owner'}) {
 877                         $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
 878                 }
 879                 push @projects, $pr;
 880         }
 881         git_header_html();
 882         if (-f $home_text) {
 883                 print "<div class=\"index_include\">\n";
 884                 open (my $fd, $home_text);
 885                 print <$fd>;
 886                 close $fd;
 887                 print "</div>\n";
 888         }
 889         print "<table class=\"project_list\">\n" .
 890               "<tr>\n";
 891         if (!defined($order) || (defined($order) && ($order eq "project"))) {
 892                 @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
 893                 print "<th>Project</th>\n";
 894         } else {
 895                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=project")}, "Project") . "</th>\n";
 896         }
 897         if (defined($order) && ($order eq "descr")) {
 898                 @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
 899                 print "<th>Description</th>\n";
 900         } else {
 901                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=descr")}, "Description") . "</th>\n";
 902         }
 903         if (defined($order) && ($order eq "owner")) {
 904                 @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
 905                 print "<th>Owner</th>\n";
 906         } else {
 907                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=owner")}, "Owner") . "</th>\n";
 908         }
 909         if (defined($order) && ($order eq "age")) {
 910                 @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
 911                 print "<th>Last Change</th>\n";
 912         } else {
 913                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=age")}, "Last Change") . "</th>\n";
 914         }
 915         print "<th></th>\n" .
 916               "</tr>\n";
 917         my $alternate = 0;
 918         foreach my $pr (@projects) {
 919                 if ($alternate) {
 920                         print "<tr class=\"dark\">\n";
 921                 } else {
 922                         print "<tr class=\"light\">\n";
 923                 }
 924                 $alternate ^= 1;
 925                 print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary"), -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
 926                       "<td>$pr->{'descr'}</td>\n" .
 927                       "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
 928                 print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" . $pr->{'commit'}{'age_string'} . "</td>\n" .
 929                       "<td class=\"link\">" .
 930                       $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary")}, "summary") .
 931                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=shortlog")}, "shortlog") .
 932                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=log")}, "log") .
 933                       "</td>\n" .
 934                       "</tr>\n";
 935         }
 936         print "</table>\n";
 937         git_footer_html();
 938 }
 939
 940 sub read_info_ref {
 941         my $type = shift || "";
 942         my %refs;
 943         # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 944         # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 945         open my $fd, "$projectroot/$project/info/refs" or return;
 946         while (my $line = <$fd>) {
 947                 chomp($line);
 948                 if ($line =~ m/^([0-9a-fA-F]{40})\t.*$type\/([^\^]+)/) {
 949                         if (defined $refs{$1}) {
 950                                 $refs{$1} .= " / $2";
 951                         } else {
 952                                 $refs{$1} = $2;
 953                         }
 954                 }
 955         }
 956         close $fd or return;
 957         return \%refs;
 958 }
 959
 960 sub git_read_refs {
 961         my $ref_dir = shift;
 962         my @reflist;
 963
 964         my @refs;
 965         opendir my $dh, "$projectroot/$project/$ref_dir";
 966         while (my $dir = readdir($dh)) {
 967                 if ($dir =~ m/^\./) {
 968                         next;
 969                 }
 970                 if (-d "$projectroot/$project/$ref_dir/$dir") {
 971                         opendir my $dh2, "$projectroot/$project/$ref_dir/$dir";
 972                         my @subdirs = grep !m/^\./, readdir $dh2;
 973                         closedir($dh2);
 974                         foreach my $subdir (@subdirs) {
 975                                 push @refs, "$dir/$subdir"
 976                         }
 977                         next;
 978                 }
 979                 push @refs, $dir;
 980         }
 981         closedir($dh);
 982         foreach my $ref_file (@refs) {
 983                 my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 984                 my $type = git_get_type($ref_id) || next;
 985                 my %ref_item;
 986                 my %co;
 987                 $ref_item{'type'} = $type;
 988                 $ref_item{'id'} = $ref_id;
 989                 $ref_item{'epoch'} = 0;
 990                 $ref_item{'age'} = "unknown";
 991                 if ($type eq "tag") {
 992                         my %tag = git_read_tag($ref_id);
 993                         $ref_item{'comment'} = $tag{'comment'};
 994                         if ($tag{'type'} eq "commit") {
 995                                 %co = git_read_commit($tag{'object'});
 996                                 $ref_item{'epoch'} = $co{'committer_epoch'};
 997                                 $ref_item{'age'} = $co{'age_string'};
 998                         } elsif (defined($tag{'epoch'})) {
 999                                 my $age = time - $tag{'epoch'};
1000                                 $ref_item{'epoch'} = $tag{'epoch'};
1001                                 $ref_item{'age'} = age_string($age);
1002                         }
1003                         $ref_item{'reftype'} = $tag{'type'};
1004                         $ref_item{'name'} = $tag{'name'};
1005                         $ref_item{'refid'} = $tag{'object'};
1006                 } elsif ($type eq "commit"){
1007                         %co = git_read_commit($ref_id);
1008                         $ref_item{'reftype'} = "commit";
1009                         $ref_item{'name'} = $ref_file;
1010                         $ref_item{'title'} = $co{'title'};
1011                         $ref_item{'refid'} = $ref_id;
1012                         $ref_item{'epoch'} = $co{'committer_epoch'};
1013                         $ref_item{'age'} = $co{'age_string'};
1014                 }
1015
1016                 push @reflist, \%ref_item;
1017         }
1018         # sort tags by age
1019         @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1020         return \@reflist;
1021 }
1022
1023 sub git_summary {
1024         my $descr = git_read_description($project) || "none";
1025         my $head = git_read_head($project);
1026         my %co = git_read_commit($head);
1027         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1028
1029         my $owner;
1030         if (-f $projects_list) {
1031                 open (my $fd , $projects_list);
1032                 while (my $line = <$fd>) {
1033                         chomp $line;
1034                         my ($pr, $ow) = split ' ', $line;
1035                         $pr = unescape($pr);
1036                         $ow = unescape($ow);
1037                         if ($pr eq $project) {
1038                                 $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
1039                                 last;
1040                         }
1041                 }
1042                 close $fd;
1043         }
1044         if (!defined $owner) {
1045                 $owner = get_file_owner("$projectroot/$project");
1046         }
1047
1048         my $refs = read_info_ref();
1049         git_header_html();
1050         print "<div class=\"page_nav\">\n" .
1051               "summary".
1052               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1053               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1054               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1055               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1056               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree")}, "tree") .
1057               "<br/><br/>\n" .
1058               "</div>\n";
1059         print "<div class=\"title\">&nbsp;</div>\n";
1060         print "<table cellspacing=\"0\">\n" .
1061               "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
1062               "<tr><td>owner</td><td>$owner</td></tr>\n" .
1063               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
1064               "</table>\n";
1065         open my $fd, "-|", "$GIT rev-list --max-count=17 " . git_read_head($project) or die_error(undef, "Open failed.");
1066         my (@revlist) = map { chomp; $_ } <$fd>;
1067         close $fd;
1068         print "<div>\n" .
1069               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog"), -class => "title"}, "shortlog") .
1070               "</div>\n";
1071         my $i = 16;
1072         print "<table cellspacing=\"0\">\n";
1073         my $alternate = 0;
1074         foreach my $commit (@revlist) {
1075                 my %co = git_read_commit($commit);
1076                 my %ad = date_str($co{'author_epoch'});
1077                 if ($alternate) {
1078                         print "<tr class=\"dark\">\n";
1079                 } else {
1080                         print "<tr class=\"light\">\n";
1081                 }
1082                 $alternate ^= 1;
1083                 if ($i-- > 0) {
1084                         my $ref = "";
1085                         if (defined $refs->{$commit}) {
1086                                 $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
1087                         }
1088                         print "<td><i>$co{'age_string'}</i></td>\n" .
1089                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1090                               "<td>";
1091                         if (length($co{'title_short'}) < length($co{'title'})) {
1092                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
1093                                       "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
1094                         } else {
1095                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
1096                                       "<b>" . esc_html($co{'title'}) . "$ref</b>");
1097                         }
1098                         print "</td>\n" .
1099                               "<td class=\"link\">" .
1100                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1101                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1102                               "</td>\n" .
1103                               "</tr>";
1104                 } else {
1105                         print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "...") . "</td>\n" .
1106                         "</tr>";
1107                         last;
1108                 }
1109         }
1110         print "</table\n>";
1111
1112         my $taglist = git_read_refs("refs/tags");
1113         if (defined @$taglist) {
1114                 print "<div>\n" .
1115                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags"), -class => "title"}, "tags") .
1116                       "</div>\n";
1117                 my $i = 16;
1118                 print "<table cellspacing=\"0\">\n";
1119                 my $alternate = 0;
1120                 foreach my $entry (@$taglist) {
1121                         my %tag = %$entry;
1122                         my $comment_lines = $tag{'comment'};
1123                         my $comment = shift @$comment_lines;
1124                         if (defined($comment)) {
1125                                 $comment = chop_str($comment, 30, 5);
1126                         }
1127                         if ($alternate) {
1128                                 print "<tr class=\"dark\">\n";
1129                         } else {
1130                                 print "<tr class=\"light\">\n";
1131                         }
1132                         $alternate ^= 1;
1133                         if ($i-- > 0) {
1134                                 print "<td><i>$tag{'age'}</i></td>\n" .
1135                                       "<td>" .
1136                                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1137                                       "<b>" . esc_html($tag{'name'}) . "</b>") .
1138                                       "</td>\n" .
1139                                       "<td>";
1140                                 if (defined($comment)) {
1141                                       print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
1142                                 }
1143                                 print "</td>\n" .
1144                                       "<td class=\"link\">";
1145                                 if ($tag{'type'} eq "tag") {
1146                                       print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1147                                 }
1148                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1149                                 if ($tag{'reftype'} eq "commit") {
1150                                       print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1151                                             " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1152                                 }
1153                                 print "</td>\n" .
1154                                       "</tr>";
1155                         } else {
1156                                 print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags")}, "...") . "</td>\n" .
1157                                 "</tr>";
1158                                 last;
1159                         }
1160                 }
1161                 print "</table\n>";
1162         }
1163
1164         my $headlist = git_read_refs("refs/heads");
1165         if (defined @$headlist) {
1166                 print "<div>\n" .
1167                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads"), -class => "title"}, "heads") .
1168                       "</div>\n";
1169                 my $i = 16;
1170                 print "<table cellspacing=\"0\">\n";
1171                 my $alternate = 0;
1172                 foreach my $entry (@$headlist) {
1173                         my %tag = %$entry;
1174                         if ($alternate) {
1175                                 print "<tr class=\"dark\">\n";
1176                         } else {
1177                                 print "<tr class=\"light\">\n";
1178                         }
1179                         $alternate ^= 1;
1180                         if ($i-- > 0) {
1181                                 print "<td><i>$tag{'age'}</i></td>\n" .
1182                                       "<td>" .
1183                                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"},
1184                                       "<b>" . esc_html($tag{'name'}) . "</b>") .
1185                                       "</td>\n" .
1186                                       "<td class=\"link\">" .
1187                                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1188                                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1189                                       "</td>\n" .
1190                                       "</tr>";
1191                         } else {
1192                                 print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads")}, "...") . "</td>\n" .
1193                                 "</tr>";
1194                                 last;
1195                         }
1196                 }
1197                 print "</table\n>";
1198         }
1199         git_footer_html();
1200 }
1201
1202 sub git_print_page_path {
1203         my $name = shift;
1204         my $type = shift;
1205
1206         if (!defined $name) {
1207                 print "<div class=\"page_path\"><b>/</b></div>\n";
1208         } elsif ($type =~ "blob") {
1209                 print "<div class=\"page_path\"><b>" .
1210                         $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;f=$file_name")}, esc_html($name)) . "</b><br/></div>\n";
1211         } else {
1212                 print "<div class=\"page_path\"><b>" . esc_html($name) . "</b><br/></div>\n";
1213         }
1214 }
1215
1216 sub git_tag {
1217         my $head = git_read_head($project);
1218         git_header_html();
1219         print "<div class=\"page_nav\">\n" .
1220               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1221               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1222               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1223               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1224               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1225               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1226               "<br/>\n" .
1227               "</div>\n";
1228         my %tag = git_read_tag($hash);
1229         print "<div>\n" .
1230               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($tag{'name'})) . "\n" .
1231               "</div>\n";
1232         print "<div class=\"title_text\">\n" .
1233               "<table cellspacing=\"0\">\n" .
1234               "<tr>\n" .
1235               "<td>object</td>\n" .
1236               "<td>" . $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'object'}) . "</td>\n" .
1237               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'type'}) . "</td>\n" .
1238               "</tr>\n";
1239         if (defined($tag{'author'})) {
1240                 my %ad = date_str($tag{'epoch'}, $tag{'tz'});
1241                 print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
1242                 print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1243         }
1244         print "</table>\n\n" .
1245               "</div>\n";
1246         print "<div class=\"page_body\">";
1247         my $comment = $tag{'comment'};
1248         foreach my $line (@$comment) {
1249                 print esc_html($line) . "<br/>\n";
1250         }
1251         print "</div>\n";
1252         git_footer_html();
1253 }
1254
1255 sub git_read_blame_line {
1256         my %bl;
1257         $_ = shift;
1258
1259         ($bl{'hash'}, $bl{'lineno'}, $bl{'data'}) = /^([0-9a-fA-F]{40}).*?(\d+)\)\s{1}(\s*.*)/;
1260
1261         return %bl;
1262 }
1263
1264 sub git_blame2 {
1265         my $fd;
1266         my $ftype;
1267         die_error(undef, "Permission denied.") if (!git_get_project_config_bool ('blame'));
1268         die_error('404 Not Found', "File name not defined") if (!$file_name);
1269         $hash_base ||= git_read_head($project);
1270         die_error(undef, "Reading commit failed") unless ($hash_base);
1271         my %co = git_read_commit($hash_base)
1272                 or die_error(undef, "Reading commit failed");
1273         if (!defined $hash) {
1274                 $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1275                         or die_error(undef, "Error looking up file");
1276         }
1277         $ftype = git_get_type($hash);
1278         if ($ftype !~ "blob") {
1279                 die_error("400 Bad Request", "object is not a blob");
1280         }
1281         open ($fd, "-|", $GIT, "blame", '-l', $file_name, $hash_base)
1282                 or die_error(undef, "Open failed");
1283         git_header_html();
1284         print "<div class=\"page_nav\">\n" .
1285                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1286                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1287                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1288                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1289                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1290                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
1291         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1292                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head") . "<br/>\n";
1293         print "</div>\n".
1294                 "<div>" .
1295                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1296                 "</div>\n";
1297         git_print_page_path($file_name, $ftype);
1298         my @rev_color = (qw(light dark));
1299         my $num_colors = scalar(@rev_color);
1300         my $current_color = 0;
1301         my $last_rev;
1302         print "<div class=\"page_body\">\n";
1303         print "<table class=\"blame\">\n";
1304         print "<tr><th>Commit</th><th>Line</th><th>Data</th></tr>\n";
1305         while (my $line = <$fd>) {
1306                 my %blame_line = git_read_blame_line($line);
1307                 my $full_rev = $blame_line{'hash'};
1308                 my $rev = substr($full_rev, 0, 8);
1309                 my $lineno = $blame_line{'lineno'};
1310                 my $data = $blame_line{'data'};
1311
1312                 if (!defined $last_rev) {
1313                         $last_rev = $full_rev;
1314                 } elsif ($last_rev ne $full_rev) {
1315                         $last_rev = $full_rev;
1316                         $current_color = ++$current_color % $num_colors;
1317                 }
1318                 print "<tr class=\"$rev_color[$current_color]\">\n";
1319                 print "<td class=\"sha1\">" .
1320                         $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$full_rev;f=$file_name")}, esc_html($rev)) . "</td>\n";
1321                 print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" . esc_html($lineno) . "</a></td>\n";
1322                 print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
1323                 print "</tr>\n";
1324         }
1325         print "</table>\n";
1326         print "</div>";
1327         close $fd or print "Reading blob failed\n";
1328         git_footer_html();
1329 }
1330
1331 sub git_blame {
1332         my $fd;
1333         die_error('403 Permission denied', "Permission denied.") if (!git_get_project_config_bool ('blame'));
1334         die_error('404 Not Found', "What file will it be, master?") if (!$file_name);
1335         $hash_base ||= git_read_head($project);
1336         die_error(undef, "Reading commit failed.") unless ($hash_base);
1337         my %co = git_read_commit($hash_base)
1338                 or die_error(undef, "Reading commit failed.");
1339         if (!defined $hash) {
1340                 $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1341                         or die_error(undef, "Error lookup file.");
1342         }
1343         open ($fd, "-|", $GIT, "annotate", '-l', '-t', '-r', $file_name, $hash_base)
1344                 or die_error(undef, "Open failed.");
1345         git_header_html();
1346         print "<div class=\"page_nav\">\n" .
1347                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1348                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1349                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1350                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1351                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1352                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
1353         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1354                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head") . "<br/>\n";
1355         print "</div>\n".
1356                 "<div>" .
1357                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1358                 "</div>\n";
1359         git_print_page_path($file_name);
1360         print "<div class=\"page_body\">\n";
1361         print <<HTML;
1362 <table class="blame">
1363   <tr>
1364     <th>Commit</th>
1365     <th>Age</th>
1366     <th>Author</th>
1367     <th>Line</th>
1368     <th>Data</th>
1369   </tr>
1370 HTML
1371         my @line_class = (qw(light dark));
1372         my $line_class_len = scalar (@line_class);
1373         my $line_class_num = $#line_class;
1374         while (my $line = <$fd>) {
1375                 my $long_rev;
1376                 my $short_rev;
1377                 my $author;
1378                 my $time;
1379                 my $lineno;
1380                 my $data;
1381                 my $age;
1382                 my $age_str;
1383                 my $age_class;
1384
1385                 chomp $line;
1386                 $line_class_num = ($line_class_num + 1) % $line_class_len;
1387
1388                 if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
1389                         $long_rev = $1;
1390                         $author   = $2;
1391                         $time     = $3;
1392                         $lineno   = $4;
1393                         $data     = $5;
1394                 } else {
1395                         print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
1396                         next;
1397                 }
1398                 $short_rev  = substr ($long_rev, 0, 8);
1399                 $age        = time () - $time;
1400                 $age_str    = age_string ($age);
1401                 $age_str    =~ s/ /&nbsp;/g;
1402                 $age_class  = age_class($age);
1403                 $author     = esc_html ($author);
1404                 $author     =~ s/ /&nbsp;/g;
1405                 # escape tabs
1406                 while ((my $pos = index($data, "\t")) != -1) {
1407                         if (my $count = (8 - ($pos % 8))) {
1408                                 my $spaces = ' ' x $count;
1409                                 $data =~ s/\t/$spaces/;
1410                         }
1411                 }
1412                 $data = esc_html ($data);
1413
1414                 print <<HTML;
1415   <tr class="$line_class[$line_class_num]">
1416     <td class="sha1"><a href="$my_uri?${\esc_param ("p=$project;a=commit;h=$long_rev")}" class="text">$short_rev..</a></td>
1417     <td class="$age_class">$age_str</td>
1418     <td>$author</td>
1419     <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
1420     <td class="pre">$data</td>
1421   </tr>
1422 HTML
1423         } # while (my $line = <$fd>)
1424         print "</table>\n\n";
1425         close $fd or print "Reading blob failed.\n";
1426         print "</div>";
1427         git_footer_html();
1428 }
1429
1430 sub git_tags {
1431         my $head = git_read_head($project);
1432         git_header_html();
1433         print "<div class=\"page_nav\">\n" .
1434               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1435               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1436               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1437               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1438               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1439               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1440               "<br/>\n" .
1441               "</div>\n";
1442         my $taglist = git_read_refs("refs/tags");
1443         print "<div>\n" .
1444               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1445               "</div>\n";
1446         print "<table cellspacing=\"0\">\n";
1447         my $alternate = 0;
1448         if (defined @$taglist) {
1449                 foreach my $entry (@$taglist) {
1450                         my %tag = %$entry;
1451                         my $comment_lines = $tag{'comment'};
1452                         my $comment = shift @$comment_lines;
1453                         if (defined($comment)) {
1454                                 $comment = chop_str($comment, 30, 5);
1455                         }
1456                         if ($alternate) {
1457                                 print "<tr class=\"dark\">\n";
1458                         } else {
1459                                 print "<tr class=\"light\">\n";
1460                         }
1461                         $alternate ^= 1;
1462                         print "<td><i>$tag{'age'}</i></td>\n" .
1463                               "<td>" .
1464                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1465                               "<b>" . esc_html($tag{'name'}) . "</b>") .
1466                               "</td>\n" .
1467                               "<td>";
1468                         if (defined($comment)) {
1469                               print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
1470                         }
1471                         print "</td>\n" .
1472                               "<td class=\"link\">";
1473                         if ($tag{'type'} eq "tag") {
1474                               print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1475                         }
1476                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1477                         if ($tag{'reftype'} eq "commit") {
1478                               print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1479                                     " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1480                         }
1481                         print "</td>\n" .
1482                               "</tr>";
1483                 }
1484         }
1485         print "</table\n>";
1486         git_footer_html();
1487 }
1488
1489 sub git_heads {
1490         my $head = git_read_head($project);
1491         git_header_html();
1492         print "<div class=\"page_nav\">\n" .
1493               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1494               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1495               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1496               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1497               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1498               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1499               "<br/>\n" .
1500               "</div>\n";
1501         my $taglist = git_read_refs("refs/heads");
1502         print "<div>\n" .
1503               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1504               "</div>\n";
1505         print "<table cellspacing=\"0\">\n";
1506         my $alternate = 0;
1507         if (defined @$taglist) {
1508                 foreach my $entry (@$taglist) {
1509                         my %tag = %$entry;
1510                         if ($alternate) {
1511                                 print "<tr class=\"dark\">\n";
1512                         } else {
1513                                 print "<tr class=\"light\">\n";
1514                         }
1515                         $alternate ^= 1;
1516                         print "<td><i>$tag{'age'}</i></td>\n" .
1517                               "<td>" .
1518                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1519                               "</td>\n" .
1520                               "<td class=\"link\">" .
1521                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1522                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1523                               "</td>\n" .
1524                               "</tr>";
1525                 }
1526         }
1527         print "</table\n>";
1528         git_footer_html();
1529 }
1530
1531 sub git_get_hash_by_path {
1532         my $base = shift;
1533         my $path = shift || return undef;
1534
1535         my $tree = $base;
1536         my @parts = split '/', $path;
1537         while (my $part = shift @parts) {
1538                 open my $fd, "-|", "$GIT ls-tree $tree" or die_error(undef, "Open git-ls-tree failed.");
1539                 my (@entries) = map { chomp; $_ } <$fd>;
1540                 close $fd or return undef;
1541                 foreach my $line (@entries) {
1542                         #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1543                         $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1544                         my $t_mode = $1;
1545                         my $t_type = $2;
1546                         my $t_hash = $3;
1547                         my $t_name = validate_input(unquote($4));
1548                         if ($t_name eq $part) {
1549                                 if (!(@parts)) {
1550                                         return $t_hash;
1551                                 }
1552                                 if ($t_type eq "tree") {
1553                                         $tree = $t_hash;
1554                                 }
1555                                 last;
1556                         }
1557                 }
1558         }
1559 }
1560
1561 sub mimetype_guess_file {
1562         my $filename = shift;
1563         my $mimemap = shift;
1564         -r $mimemap or return undef;
1565
1566         my %mimemap;
1567         open(MIME, $mimemap) or return undef;
1568         while (<MIME>) {
1569                 my ($mime, $exts) = split(/\t+/);
1570                 my @exts = split(/\s+/, $exts);
1571                 foreach my $ext (@exts) {
1572                         $mimemap{$ext} = $mime;
1573                 }
1574         }
1575         close(MIME);
1576
1577         $filename =~ /\.(.*?)$/;
1578         return $mimemap{$1};
1579 }
1580
1581 sub mimetype_guess {
1582         my $filename = shift;
1583         my $mime;
1584         $filename =~ /\./ or return undef;
1585
1586         if ($mimetypes_file) {
1587                 my $file = $mimetypes_file;
1588                 #$file =~ m#^/# or $file = "$projectroot/$path/$file";
1589                 $mime = mimetype_guess_file($filename, $file);
1590         }
1591         $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1592         return $mime;
1593 }
1594
1595 sub git_blob_plain_mimetype {
1596         my $fd = shift;
1597         my $filename = shift;
1598
1599         if ($filename) {
1600                 my $mime = mimetype_guess($filename);
1601                 $mime and return $mime;
1602         }
1603
1604         # just in case
1605         return $default_blob_plain_mimetype unless $fd;
1606
1607         if (-T $fd) {
1608                 return 'text/plain' .
1609                        ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1610         } elsif (! $filename) {
1611                 return 'application/octet-stream';
1612         } elsif ($filename =~ m/\.png$/i) {
1613                 return 'image/png';
1614         } elsif ($filename =~ m/\.gif$/i) {
1615                 return 'image/gif';
1616         } elsif ($filename =~ m/\.jpe?g$/i) {
1617                 return 'image/jpeg';
1618         } else {
1619                 return 'application/octet-stream';
1620         }
1621 }
1622
1623 sub git_blob_plain {
1624         if (!defined $hash) {
1625                 if (defined $file_name) {
1626                         my $base = $hash_base || git_read_head($project);
1627                         $hash = git_get_hash_by_path($base, $file_name, "blob") || die_error(undef, "Error lookup file.");
1628                 } else {
1629                         die_error(undef, "No file name defined.");
1630                 }
1631         }
1632         my $type = shift;
1633         open my $fd, "-|", "$GIT cat-file blob $hash" or die_error("Couldn't cat $file_name, $hash");
1634
1635         $type ||= git_blob_plain_mimetype($fd, $file_name);
1636
1637         # save as filename, even when no $file_name is given
1638         my $save_as = "$hash";
1639         if (defined $file_name) {
1640                 $save_as = $file_name;
1641         } elsif ($type =~ m/^text\//) {
1642                 $save_as .= '.txt';
1643         }
1644
1645         print $cgi->header(-type => "$type", '-content-disposition' => "inline; filename=\"$save_as\"");
1646         undef $/;
1647         binmode STDOUT, ':raw';
1648         print <$fd>;
1649         binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
1650         $/ = "\n";
1651         close $fd;
1652 }
1653
1654 sub git_blob {
1655         if (!defined $hash) {
1656                 if (defined $file_name) {
1657                         my $base = $hash_base || git_read_head($project);
1658                         $hash = git_get_hash_by_path($base, $file_name, "blob") || die_error(undef, "Error lookup file.");
1659                 } else {
1660                         die_error(undef, "No file name defined.");
1661                 }
1662         }
1663         my $have_blame = git_get_project_config_bool ('blame');
1664         open my $fd, "-|", "$GIT cat-file blob $hash" or die_error(undef, "Open failed.");
1665         my $mimetype = git_blob_plain_mimetype($fd, $file_name);
1666         if ($mimetype !~ m/^text\//) {
1667                 close $fd;
1668                 return git_blob_plain($mimetype);
1669         }
1670         git_header_html();
1671         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1672                 print "<div class=\"page_nav\">\n" .
1673                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1674                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1675                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1676                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1677                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1678                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
1679                 if (defined $file_name) {
1680                         if ($have_blame) {
1681                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$hash;hb=$hash_base;f=$file_name")}, "blame") .  " | ";
1682                         }
1683                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") .
1684                         " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=HEAD;f=$file_name")}, "head") . "<br/>\n";
1685                 } else {
1686                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash")}, "plain") . "<br/>\n";
1687                 }
1688                 print "</div>\n".
1689                        "<div>" .
1690                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1691                       "</div>\n";
1692         } else {
1693                 print "<div class=\"page_nav\">\n" .
1694                       "<br/><br/></div>\n" .
1695                       "<div class=\"title\">$hash</div>\n";
1696         }
1697         git_print_page_path($file_name, "blob");
1698         print "<div class=\"page_body\">\n";
1699         my $nr;
1700         while (my $line = <$fd>) {
1701                 chomp $line;
1702                 $nr++;
1703                 while ((my $pos = index($line, "\t")) != -1) {
1704                         if (my $count = (8 - ($pos % 8))) {
1705                                 my $spaces = ' ' x $count;
1706                                 $line =~ s/\t/$spaces/;
1707                         }
1708                 }
1709                 printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
1710         }
1711         close $fd or print "Reading blob failed.\n";
1712         print "</div>";
1713         git_footer_html();
1714 }
1715
1716 sub git_tree {
1717         if (!defined $hash) {
1718                 $hash = git_read_head($project);
1719                 if (defined $file_name) {
1720                         my $base = $hash_base || $hash;
1721                         $hash = git_get_hash_by_path($base, $file_name, "tree");
1722                 }
1723                 if (!defined $hash_base) {
1724                         $hash_base = $hash;
1725                 }
1726         }
1727         $/ = "\0";
1728         open my $fd, "-|", "$GIT ls-tree -z $hash" or die_error(undef, "Open git-ls-tree failed.");
1729         chomp (my (@entries) = <$fd>);
1730         close $fd or die_error(undef, "Reading tree failed.");
1731         $/ = "\n";
1732
1733         my $refs = read_info_ref();
1734         my $ref = "";
1735         if (defined $refs->{$hash_base}) {
1736                 $ref = " <span class=\"tag\">" . esc_html($refs->{$hash_base}) . "</span>";
1737         }
1738         git_header_html();
1739         my $base_key = "";
1740         my $base = "";
1741         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1742                 $base_key = ";hb=$hash_base";
1743                 print "<div class=\"page_nav\">\n" .
1744                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1745                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash_base")}, "shortlog") .
1746                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash_base")}, "log") .
1747                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1748                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1749                       " | tree" .
1750                       "<br/><br/>\n" .
1751                       "</div>\n";
1752                 print "<div>\n" .
1753                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
1754                       "</div>\n";
1755         } else {
1756                 print "<div class=\"page_nav\">\n";
1757                 print "<br/><br/></div>\n";
1758                 print "<div class=\"title\">$hash</div>\n";
1759         }
1760         if (defined $file_name) {
1761                 $base = esc_html("$file_name/");
1762         }
1763         git_print_page_path($file_name);
1764         print "<div class=\"page_body\">\n";
1765         print "<table cellspacing=\"0\">\n";
1766         my $alternate = 0;
1767         foreach my $line (@entries) {
1768                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1769                 $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1770                 my $t_mode = $1;
1771                 my $t_type = $2;
1772                 my $t_hash = $3;
1773                 my $t_name = validate_input($4);
1774                 if ($alternate) {
1775                         print "<tr class=\"dark\">\n";
1776                 } else {
1777                         print "<tr class=\"light\">\n";
1778                 }
1779                 $alternate ^= 1;
1780                 print "<td class=\"mode\">" . mode_str($t_mode) . "</td>\n";
1781                 if ($t_type eq "blob") {
1782                         print "<td class=\"list\">" .
1783                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name"), -class => "list"}, esc_html($t_name)) .
1784                               "</td>\n" .
1785                               "<td class=\"link\">" .
1786                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name")}, "blob") .
1787 #                             " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$t_hash$base_key;f=$base$t_name")}, "blame") .
1788                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$t_hash;hb=$hash_base;f=$base$t_name")}, "history") .
1789                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$t_hash;f=$base$t_name")}, "raw") .
1790                               "</td>\n";
1791                 } elsif ($t_type eq "tree") {
1792                         print "<td class=\"list\">" .
1793                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, esc_html($t_name)) .
1794                               "</td>\n" .
1795                               "<td class=\"link\">" .
1796                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, "tree") .
1797                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$hash_base;f=$base$t_name")}, "history") .
1798                               "</td>\n";
1799                 }
1800                 print "</tr>\n";
1801         }
1802         print "</table>\n" .
1803               "</div>";
1804         git_footer_html();
1805 }
1806
1807 sub git_rss {
1808         # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
1809         open my $fd, "-|", "$GIT rev-list --max-count=150 " . git_read_head($project) or die_error(undef, "Open failed.");
1810         my (@revlist) = map { chomp; $_ } <$fd>;
1811         close $fd or die_error(undef, "Reading rev-list failed.");
1812         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1813         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1814               "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
1815         print "<channel>\n";
1816         print "<title>$project</title>\n".
1817               "<link>" . esc_html("$my_url?p=$project;a=summary") . "</link>\n".
1818               "<description>$project log</description>\n".
1819               "<language>en</language>\n";
1820
1821         for (my $i = 0; $i <= $#revlist; $i++) {
1822                 my $commit = $revlist[$i];
1823                 my %co = git_read_commit($commit);
1824                 # we read 150, we always show 30 and the ones more recent than 48 hours
1825                 if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
1826                         last;
1827                 }
1828                 my %cd = date_str($co{'committer_epoch'});
1829                 open $fd, "-|", "$GIT diff-tree -r $co{'parent'} $co{'id'}" or next;
1830                 my @difftree = map { chomp; $_ } <$fd>;
1831                 close $fd or next;
1832                 print "<item>\n" .
1833                       "<title>" .
1834                       sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
1835                       "</title>\n" .
1836                       "<author>" . esc_html($co{'author'}) . "</author>\n" .
1837                       "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
1838                       "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
1839                       "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
1840                       "<description>" . esc_html($co{'title'}) . "</description>\n" .
1841                       "<content:encoded>" .
1842                       "<![CDATA[\n";
1843                 my $comment = $co{'comment'};
1844                 foreach my $line (@$comment) {
1845                         $line = decode("utf8", $line, Encode::FB_DEFAULT);
1846                         print "$line<br/>\n";
1847                 }
1848                 print "<br/>\n";
1849                 foreach my $line (@difftree) {
1850                         if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1851                                 next;
1852                         }
1853                         my $file = validate_input(unquote($7));
1854                         $file = decode("utf8", $file, Encode::FB_DEFAULT);
1855                         print "$file<br/>\n";
1856                 }
1857                 print "]]>\n" .
1858                       "</content:encoded>\n" .
1859                       "</item>\n";
1860         }
1861         print "</channel></rss>";
1862 }
1863
1864 sub git_opml {
1865         my @list = git_read_projects();
1866
1867         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1868         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1869               "<opml version=\"1.0\">\n".
1870               "<head>".
1871               "  <title>$site_name Git OPML Export</title>\n".
1872               "</head>\n".
1873               "<body>\n".
1874               "<outline text=\"git RSS feeds\">\n";
1875
1876         foreach my $pr (@list) {
1877                 my %proj = %$pr;
1878                 my $head = git_read_head($proj{'path'});
1879                 if (!defined $head) {
1880                         next;
1881                 }
1882                 $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
1883                 my %co = git_read_commit($head);
1884                 if (!%co) {
1885                         next;
1886                 }
1887
1888                 my $path = esc_html(chop_str($proj{'path'}, 25, 5));
1889                 my $rss  = "$my_url?p=$proj{'path'};a=rss";
1890                 my $html = "$my_url?p=$proj{'path'};a=summary";
1891                 print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
1892         }
1893         print "</outline>\n".
1894               "</body>\n".
1895               "</opml>\n";
1896 }
1897
1898 sub git_log {
1899         my $head = git_read_head($project);
1900         if (!defined $hash) {
1901                 $hash = $head;
1902         }
1903         if (!defined $page) {
1904                 $page = 0;
1905         }
1906         my $refs = read_info_ref();
1907         git_header_html();
1908         print "<div class=\"page_nav\">\n";
1909         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1910               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
1911               " | log" .
1912               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
1913               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
1914               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
1915
1916         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1917         open my $fd, "-|", "$GIT rev-list $limit $hash" or die_error(undef, "Open failed.");
1918         my (@revlist) = map { chomp; $_ } <$fd>;
1919         close $fd;
1920
1921         if ($hash ne $head || $page) {
1922                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "HEAD");
1923         } else {
1924                 print "HEAD";
1925         }
1926         if ($page > 0) {
1927                 print " &sdot; " .
1928                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
1929         } else {
1930                 print " &sdot; prev";
1931         }
1932         if ($#revlist >= (100 * ($page+1)-1)) {
1933                 print " &sdot; " .
1934                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
1935         } else {
1936                 print " &sdot; next";
1937         }
1938         print "<br/>\n" .
1939               "</div>\n";
1940         if (!@revlist) {
1941                 print "<div>\n" .
1942                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1943                       "</div>\n";
1944                 my %co = git_read_commit($hash);
1945                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1946         }
1947         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1948                 my $commit = $revlist[$i];
1949                 my $ref = "";
1950                 if (defined $refs->{$commit}) {
1951                         $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
1952                 }
1953                 my %co = git_read_commit($commit);
1954                 next if !%co;
1955                 my %ad = date_str($co{'author_epoch'});
1956                 print "<div>\n" .
1957                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "title"},
1958                       "<span class=\"age\">$co{'age_string'}</span>" . esc_html($co{'title'}) . $ref) . "\n";
1959                 print "</div>\n";
1960                 print "<div class=\"title_text\">\n" .
1961                       "<div class=\"log_link\">\n" .
1962                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1963                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1964                       "<br/>\n" .
1965                       "</div>\n" .
1966                       "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1967                       "</div>\n" .
1968                       "<div class=\"log_body\">\n";
1969                 my $comment = $co{'comment'};
1970                 my $empty = 0;
1971                 foreach my $line (@$comment) {
1972                         if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1973                                 next;
1974                         }
1975                         if ($line eq "") {
1976                                 if ($empty) {
1977                                         next;
1978                                 }
1979                                 $empty = 1;
1980                         } else {
1981                                 $empty = 0;
1982                         }
1983                         print format_log_line_html($line) . "<br/>\n";
1984                 }
1985                 if (!$empty) {
1986                         print "<br/>\n";
1987                 }
1988                 print "</div>\n";
1989         }
1990         git_footer_html();
1991 }
1992
1993 sub git_commit {
1994         my %co = git_read_commit($hash);
1995         if (!%co) {
1996                 die_error(undef, "Unknown commit object.");
1997         }
1998         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1999         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
2000
2001         my @difftree;
2002         my $root = "";
2003         my $parent = $co{'parent'};
2004         if (!defined $parent) {
2005                 $root = " --root";
2006                 $parent = "";
2007         }
2008         open my $fd, "-|", "$GIT diff-tree -r -M $root $parent $hash" or die_error(undef, "Open failed.");
2009         @difftree = map { chomp; $_ } <$fd>;
2010         close $fd or die_error(undef, "Reading diff-tree failed.");
2011
2012         # non-textual hash id's can be cached
2013         my $expires;
2014         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2015                 $expires = "+1d";
2016         }
2017         my $refs = read_info_ref();
2018         my $ref = "";
2019         if (defined $refs->{$co{'id'}}) {
2020                 $ref = " <span class=\"tag\">" . esc_html($refs->{$co{'id'}}) . "</span>";
2021         }
2022         git_header_html(undef, $expires);
2023         print "<div class=\"page_nav\">\n" .
2024               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2025               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
2026               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2027               " | commit";
2028         if (defined $co{'parent'}) {
2029                 print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff");
2030         }
2031         print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "\n" .
2032                 "<br/>\n";
2033         if (defined $file_name && defined $co{'parent'}) {
2034                 my $parent = $co{'parent'};
2035                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;hb=$parent;f=$file_name")}, "blame") . "\n";
2036         }
2037         print "<br/></div>\n";
2038
2039         if (defined $co{'parent'}) {
2040                 print "<div>\n" .
2041                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
2042                       "</div>\n";
2043         } else {
2044                 print "<div>\n" .
2045                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2046                       "</div>\n";
2047         }
2048         print "<div class=\"title_text\">\n" .
2049               "<table cellspacing=\"0\">\n";
2050         print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
2051               "<tr>" .
2052               "<td></td><td> $ad{'rfc2822'}";
2053         if ($ad{'hour_local'} < 6) {
2054                 printf(" (<span class=\"atnight\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2055         } else {
2056                 printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2057         }
2058         print "</td>" .
2059               "</tr>\n";
2060         print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
2061         print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
2062         print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
2063         print "<tr>" .
2064               "<td>tree</td>" .
2065               "<td class=\"sha1\">" .
2066               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), class => "list"}, $co{'tree'}) .
2067               "</td>" .
2068               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2069               "</td>" .
2070               "</tr>\n";
2071         my $parents = $co{'parents'};
2072         foreach my $par (@$parents) {
2073                 print "<tr>" .
2074                       "<td>parent</td>" .
2075                       "<td class=\"sha1\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par"), class => "list"}, $par) . "</td>" .
2076                       "<td class=\"link\">" .
2077                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par")}, "commit") .
2078                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash;hp=$par")}, "commitdiff") .
2079                       "</td>" .
2080                       "</tr>\n";
2081         }
2082         print "</table>".
2083               "</div>\n";
2084         print "<div class=\"page_body\">\n";
2085         my $comment = $co{'comment'};
2086         my $empty = 0;
2087         my $signed = 0;
2088         foreach my $line (@$comment) {
2089                 # print only one empty line
2090                 if ($line eq "") {
2091                         if ($empty || $signed) {
2092                                 next;
2093                         }
2094                         $empty = 1;
2095                 } else {
2096                         $empty = 0;
2097                 }
2098                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
2099                         $signed = 1;
2100                         print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
2101                 } else {
2102                         $signed = 0;
2103                         print format_log_line_html($line) . "<br/>\n";
2104                 }
2105         }
2106         print "</div>\n";
2107         print "<div class=\"list_head\">\n";
2108         if ($#difftree > 10) {
2109                 print(($#difftree + 1) . " files changed:\n");
2110         }
2111         print "</div>\n";
2112         print "<table class=\"diff_tree\">\n";
2113         my $alternate = 0;
2114         foreach my $line (@difftree) {
2115                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2116                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2117                 if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
2118                         next;
2119                 }
2120                 my $from_mode = $1;
2121                 my $to_mode = $2;
2122                 my $from_id = $3;
2123                 my $to_id = $4;
2124                 my $status = $5;
2125                 my $similarity = $6;
2126                 my $file = validate_input(unquote($7));
2127                 if ($alternate) {
2128                         print "<tr class=\"dark\">\n";
2129                 } else {
2130                         print "<tr class=\"light\">\n";
2131                 }
2132                 $alternate ^= 1;
2133                 if ($status eq "A") {
2134                         my $mode_chng = "";
2135                         if (S_ISREG(oct $to_mode)) {
2136                                 $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
2137                         }
2138                         print "<td>" .
2139                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2140                               "<td><span class=\"file_status new\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
2141                               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob") . "</td>\n";
2142                 } elsif ($status eq "D") {
2143                         print "<td>" .
2144                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2145                               "<td><span class=\"file_status deleted\">[deleted " . file_type($from_mode). "]</span></td>\n" .
2146                               "<td class=\"link\">" .
2147                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, "blob") .
2148                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$hash;f=$file")}, "history") .
2149                               "</td>\n"
2150                 } elsif ($status eq "M" || $status eq "T") {
2151                         my $mode_chnge = "";
2152                         if ($from_mode != $to_mode) {
2153                                 $mode_chnge = " <span class=\"file_status mode_chnge\">[changed";
2154                                 if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
2155                                         $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
2156                                 }
2157                                 if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
2158                                         if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
2159                                                 $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
2160                                         } elsif (S_ISREG($to_mode)) {
2161                                                 $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
2162                                         }
2163                                 }
2164                                 $mode_chnge .= "]</span>\n";
2165                         }
2166                         print "<td>";
2167                         if ($to_id ne $from_id) {
2168                                 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));
2169                         } else {
2170                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
2171                         }
2172                         print "</td>\n" .
2173                               "<td>$mode_chnge</td>\n" .
2174                               "<td class=\"link\">";
2175                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob");
2176                         if ($to_id ne $from_id) {
2177                                 print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file")}, "diff");
2178                         }
2179                         print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$hash;f=$file")}, "history") . "\n";
2180                         print "</td>\n";
2181                 } elsif ($status eq "R") {
2182                         my ($from_file, $to_file) = split "\t", $file;
2183                         my $mode_chng = "";
2184                         if ($from_mode != $to_mode) {
2185                                 $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
2186                         }
2187                         print "<td>" .
2188                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"), -class => "list"}, esc_html($to_file)) . "</td>\n" .
2189                               "<td><span class=\"file_status moved\">[moved from " .
2190                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$from_file"), -class => "list"}, esc_html($from_file)) .
2191                               " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
2192                               "<td class=\"link\">" .
2193                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file")}, "blob");
2194                         if ($to_id ne $from_id) {
2195                                 print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file")}, "diff");
2196                         }
2197                         print "</td>\n";
2198                 }
2199                 print "</tr>\n";
2200         }
2201         print "</table>\n";
2202         git_footer_html();
2203 }
2204
2205 sub git_blobdiff {
2206         mkdir($git_temp, 0700);
2207         git_header_html();
2208         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
2209                 print "<div class=\"page_nav\">\n" .
2210                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2211                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2212                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
2213                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
2214                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
2215                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") .
2216                       "<br/>\n";
2217                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent")}, "plain") .
2218                       "</div>\n";
2219                 print "<div>\n" .
2220                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2221                       "</div>\n";
2222         } else {
2223                 print "<div class=\"page_nav\">\n" .
2224                       "<br/><br/></div>\n" .
2225                       "<div class=\"title\">$hash vs $hash_parent</div>\n";
2226         }
2227         git_print_page_path($file_name, "blob");
2228         print "<div class=\"page_body\">\n" .
2229               "<div class=\"diff_info\">blob:" .
2230               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name")}, $hash_parent) .
2231               " -> blob:" .
2232               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, $hash) .
2233               "</div>\n";
2234         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2235         print "</div>";
2236         git_footer_html();
2237 }
2238
2239 sub git_blobdiff_plain {
2240         mkdir($git_temp, 0700);
2241         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2242         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2243 }
2244
2245 sub git_commitdiff {
2246         mkdir($git_temp, 0700);
2247         my %co = git_read_commit($hash);
2248         if (!%co) {
2249                 die_error(undef, "Unknown commit object.");
2250         }
2251         if (!defined $hash_parent) {
2252                 $hash_parent = $co{'parent'};
2253         }
2254         open my $fd, "-|", "$GIT diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
2255         my (@difftree) = map { chomp; $_ } <$fd>;
2256         close $fd or die_error(undef, "Reading diff-tree failed.");
2257
2258         # non-textual hash id's can be cached
2259         my $expires;
2260         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2261                 $expires = "+1d";
2262         }
2263         my $refs = read_info_ref();
2264         my $ref = "";
2265         if (defined $refs->{$co{'id'}}) {
2266                 $ref = " <span class=\"tag\">" . esc_html($refs->{$co{'id'}}) . "</span>";
2267         }
2268         git_header_html(undef, $expires);
2269         print "<div class=\"page_nav\">\n" .
2270               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2271               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
2272               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2273               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2274               " | commitdiff" .
2275               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "<br/>\n";
2276         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent")}, "plain") . "\n" .
2277               "</div>\n";
2278         print "<div>\n" .
2279               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
2280               "</div>\n";
2281         print "<div class=\"page_body\">\n";
2282         my $comment = $co{'comment'};
2283         my $empty = 0;
2284         my $signed = 0;
2285         my @log = @$comment;
2286         # remove first and empty lines after that
2287         shift @log;
2288         while (defined $log[0] && $log[0] eq "") {
2289                 shift @log;
2290         }
2291         foreach my $line (@log) {
2292                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
2293                         next;
2294                 }
2295                 if ($line eq "") {
2296                         if ($empty) {
2297                                 next;
2298                         }
2299                         $empty = 1;
2300                 } else {
2301                         $empty = 0;
2302                 }
2303                 print format_log_line_html($line) . "<br/>\n";
2304         }
2305         print "<br/>\n";
2306         foreach my $line (@difftree) {
2307                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2308                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2309                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2310                 my $from_mode = $1;
2311                 my $to_mode = $2;
2312                 my $from_id = $3;
2313                 my $to_id = $4;
2314                 my $status = $5;
2315                 my $file = validate_input(unquote($6));
2316                 if ($status eq "A") {
2317                         print "<div class=\"diff_info\">" .  file_type($to_mode) . ":" .
2318                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id) . "(new)" .
2319                               "</div>\n";
2320                         git_diff_print(undef, "/dev/null", $to_id, "b/$file");
2321                 } elsif ($status eq "D") {
2322                         print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
2323                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) . "(deleted)" .
2324                               "</div>\n";
2325                         git_diff_print($from_id, "a/$file", undef, "/dev/null");
2326                 } elsif ($status eq "M") {
2327                         if ($from_id ne $to_id) {
2328                                 print "<div class=\"diff_info\">" .
2329                                       file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) .
2330                                       " -> " .
2331                                       file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id);
2332                                 print "</div>\n";
2333                                 git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
2334                         }
2335                 }
2336         }
2337         print "<br/>\n" .
2338               "</div>";
2339         git_footer_html();
2340 }
2341
2342 sub git_commitdiff_plain {
2343         mkdir($git_temp, 0700);
2344         open my $fd, "-|", "$GIT diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
2345         my (@difftree) = map { chomp; $_ } <$fd>;
2346         close $fd or die_error(undef, "Reading diff-tree failed.");
2347
2348         # try to figure out the next tag after this commit
2349         my $tagname;
2350         my $refs = read_info_ref("tags");
2351         open $fd, "-|", "$GIT rev-list HEAD";
2352         chomp (my (@commits) = <$fd>);
2353         close $fd;
2354         foreach my $commit (@commits) {
2355                 if (defined $refs->{$commit}) {
2356                         $tagname = $refs->{$commit}
2357                 }
2358                 if ($commit eq $hash) {
2359                         last;
2360                 }
2361         }
2362
2363         print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"git-$hash.patch\"");
2364         my %co = git_read_commit($hash);
2365         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
2366         my $comment = $co{'comment'};
2367         print "From: $co{'author'}\n" .
2368               "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
2369               "Subject: $co{'title'}\n";
2370         if (defined $tagname) {
2371               print "X-Git-Tag: $tagname\n";
2372         }
2373         print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
2374               "\n";
2375
2376         foreach my $line (@$comment) {;
2377                 print "$line\n";
2378         }
2379         print "---\n\n";
2380
2381         foreach my $line (@difftree) {
2382                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2383                 my $from_id = $3;
2384                 my $to_id = $4;
2385                 my $status = $5;
2386                 my $file = $6;
2387                 if ($status eq "A") {
2388                         git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
2389                 } elsif ($status eq "D") {
2390                         git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
2391                 } elsif ($status eq "M") {
2392                         git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
2393                 }
2394         }
2395 }
2396
2397 sub git_history {
2398         if (!defined $hash_base) {
2399                 $hash_base = git_read_head($project);
2400         }
2401         my $ftype;
2402         my %co = git_read_commit($hash_base);
2403         if (!%co) {
2404                 die_error(undef, "Unknown commit object.");
2405         }
2406         my $refs = read_info_ref();
2407         git_header_html();
2408         print "<div class=\"page_nav\">\n" .
2409               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2410               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2411               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
2412               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
2413               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
2414               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") .
2415               "<br/><br/>\n" .
2416               "</div>\n";
2417         print "<div>\n" .
2418               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2419               "</div>\n";
2420         if (!defined $hash && defined $file_name) {
2421                 $hash = git_get_hash_by_path($hash_base, $file_name);
2422         }
2423         if (defined $hash) {
2424                 $ftype = git_get_type($hash);
2425         }
2426         git_print_page_path($file_name, $ftype);
2427
2428         open my $fd, "-|",
2429                 "$GIT rev-list --full-history $hash_base -- \'$file_name\'";
2430         print "<table cellspacing=\"0\">\n";
2431         my $alternate = 0;
2432         while (my $line = <$fd>) {
2433                 if ($line =~ m/^([0-9a-fA-F]{40})/){
2434                         my $commit = $1;
2435                         my %co = git_read_commit($commit);
2436                         if (!%co) {
2437                                 next;
2438                         }
2439                         my $ref = "";
2440                         if (defined $refs->{$commit}) {
2441                                 $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
2442                         }
2443                         if ($alternate) {
2444                                 print "<tr class=\"dark\">\n";
2445                         } else {
2446                                 print "<tr class=\"light\">\n";
2447                         }
2448                         $alternate ^= 1;
2449                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2450                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2451                               "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"}, "<b>" .
2452                               esc_html(chop_str($co{'title'}, 50)) . "$ref</b>") . "</td>\n" .
2453                               "<td class=\"link\">" .
2454                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2455                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2456                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=$commit;f=$file_name")}, "blob");
2457                         my $blob = git_get_hash_by_path($hash_base, $file_name);
2458                         my $blob_parent = git_get_hash_by_path($commit, $file_name);
2459                         if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
2460                                 print " | " .
2461                                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name")},
2462                                 "diff to current");
2463                         }
2464                         print "</td>\n" .
2465                               "</tr>\n";
2466                 }
2467         }
2468         print "</table>\n";
2469         close $fd;
2470         git_footer_html();
2471 }
2472
2473 sub git_search {
2474         if (!defined $searchtext) {
2475                 die_error("", "Text field empty.");
2476         }
2477         if (!defined $hash) {
2478                 $hash = git_read_head($project);
2479         }
2480         my %co = git_read_commit($hash);
2481         if (!%co) {
2482                 die_error(undef, "Unknown commit object.");
2483         }
2484         # pickaxe may take all resources of your box and run for several minutes
2485         # with every query - so decide by yourself how public you make this feature :)
2486         my $commit_search = 1;
2487         my $author_search = 0;
2488         my $committer_search = 0;
2489         my $pickaxe_search = 0;
2490         if ($searchtext =~ s/^author\\://i) {
2491                 $author_search = 1;
2492         } elsif ($searchtext =~ s/^committer\\://i) {
2493                 $committer_search = 1;
2494         } elsif ($searchtext =~ s/^pickaxe\\://i) {
2495                 $commit_search = 0;
2496                 $pickaxe_search = 1;
2497         }
2498         git_header_html();
2499         print "<div class=\"page_nav\">\n" .
2500               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary;h=$hash")}, "summary") .
2501               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2502               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2503               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2504               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2505               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2506               "<br/><br/>\n" .
2507               "</div>\n";
2508
2509         print "<div>\n" .
2510               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2511               "</div>\n";
2512         print "<table cellspacing=\"0\">\n";
2513         my $alternate = 0;
2514         if ($commit_search) {
2515                 $/ = "\0";
2516                 open my $fd, "-|", "$GIT rev-list --header --parents $hash" or next;
2517                 while (my $commit_text = <$fd>) {
2518                         if (!grep m/$searchtext/i, $commit_text) {
2519                                 next;
2520                         }
2521                         if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2522                                 next;
2523                         }
2524                         if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2525                                 next;
2526                         }
2527                         my @commit_lines = split "\n", $commit_text;
2528                         my %co = git_read_commit(undef, \@commit_lines);
2529                         if (!%co) {
2530                                 next;
2531                         }
2532                         if ($alternate) {
2533                                 print "<tr class=\"dark\">\n";
2534                         } else {
2535                                 print "<tr class=\"light\">\n";
2536                         }
2537                         $alternate ^= 1;
2538                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2539                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2540                               "<td>" .
2541                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" . esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2542                         my $comment = $co{'comment'};
2543                         foreach my $line (@$comment) {
2544                                 if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2545                                         my $lead = esc_html($1) || "";
2546                                         $lead = chop_str($lead, 30, 10);
2547                                         my $match = esc_html($2) || "";
2548                                         my $trail = esc_html($3) || "";
2549                                         $trail = chop_str($trail, 30, 10);
2550                                         my $text = "$lead<span class=\"match\">$match</span>$trail";
2551                                         print chop_str($text, 80, 5) . "<br/>\n";
2552                                 }
2553                         }
2554                         print "</td>\n" .
2555                               "<td class=\"link\">" .
2556                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2557                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2558                         print "</td>\n" .
2559                               "</tr>\n";
2560                 }
2561                 close $fd;
2562         }
2563
2564         if ($pickaxe_search) {
2565                 $/ = "\n";
2566                 open my $fd, "-|", "$GIT rev-list $hash | $GIT diff-tree -r --stdin -S\'$searchtext\'";
2567                 undef %co;
2568                 my @files;
2569                 while (my $line = <$fd>) {
2570                         if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2571                                 my %set;
2572                                 $set{'file'} = $6;
2573                                 $set{'from_id'} = $3;
2574                                 $set{'to_id'} = $4;
2575                                 $set{'id'} = $set{'to_id'};
2576                                 if ($set{'id'} =~ m/0{40}/) {
2577                                         $set{'id'} = $set{'from_id'};
2578                                 }
2579                                 if ($set{'id'} =~ m/0{40}/) {
2580                                         next;
2581                                 }
2582                                 push @files, \%set;
2583                         } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2584                                 if (%co) {
2585                                         if ($alternate) {
2586                                                 print "<tr class=\"dark\">\n";
2587                                         } else {
2588                                                 print "<tr class=\"light\">\n";
2589                                         }
2590                                         $alternate ^= 1;
2591                                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2592                                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2593                                               "<td>" .
2594                                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" .
2595                                               esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2596                                         while (my $setref = shift @files) {
2597                                                 my %set = %$setref;
2598                                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}"), class => "list"},
2599                                                       "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
2600                                                       "<br/>\n";
2601                                         }
2602                                         print "</td>\n" .
2603                                               "<td class=\"link\">" .
2604                                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2605                                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2606                                         print "</td>\n" .
2607                                               "</tr>\n";
2608                                 }
2609                                 %co = git_read_commit($1);
2610                         }
2611                 }
2612                 close $fd;
2613         }
2614         print "</table>\n";
2615         git_footer_html();
2616 }
2617
2618 sub git_shortlog {
2619         my $head = git_read_head($project);
2620         if (!defined $hash) {
2621                 $hash = $head;
2622         }
2623         if (!defined $page) {
2624                 $page = 0;
2625         }
2626         my $refs = read_info_ref();
2627         git_header_html();
2628         print "<div class=\"page_nav\">\n" .
2629               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2630               " | shortlog" .
2631               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2632               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2633               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2634               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
2635
2636         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2637         open my $fd, "-|", "$GIT rev-list $limit $hash" or die_error(undef, "Open failed.");
2638         my (@revlist) = map { chomp; $_ } <$fd>;
2639         close $fd;
2640
2641         if ($hash ne $head || $page) {
2642                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "HEAD");
2643         } else {
2644                 print "HEAD";
2645         }
2646         if ($page > 0) {
2647                 print " &sdot; " .
2648                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
2649         } else {
2650                 print " &sdot; prev";
2651         }
2652         if ($#revlist >= (100 * ($page+1)-1)) {
2653                 print " &sdot; " .
2654                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
2655         } else {
2656                 print " &sdot; next";
2657         }
2658         print "<br/>\n" .
2659               "</div>\n";
2660         print "<div>\n" .
2661               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
2662               "</div>\n";
2663         print "<table cellspacing=\"0\">\n";
2664         my $alternate = 0;
2665         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2666                 my $commit = $revlist[$i];
2667                 my $ref = "";
2668                 if (defined $refs->{$commit}) {
2669                         $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
2670                 }
2671                 my %co = git_read_commit($commit);
2672                 my %ad = date_str($co{'author_epoch'});
2673                 if ($alternate) {
2674                         print "<tr class=\"dark\">\n";
2675                 } else {
2676                         print "<tr class=\"light\">\n";
2677                 }
2678                 $alternate ^= 1;
2679                 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2680                       "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2681                       "<td>";
2682                 if (length($co{'title_short'}) < length($co{'title'})) {
2683                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
2684                               "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
2685                 } else {
2686                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
2687                               "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
2688                 }
2689                 print "</td>\n" .
2690                       "<td class=\"link\">" .
2691                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2692                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2693                       "</td>\n" .
2694                       "</tr>";
2695         }
2696         if ($#revlist >= (100 * ($page+1)-1)) {
2697                 print "<tr>\n" .
2698                       "<td>" .
2699                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -title => "Alt-n"}, "next") .
2700                       "</td>\n" .
2701                       "</tr>\n";
2702         }
2703         print "</table\n>";
2704         git_footer_html();
2705 }