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