gitweb/gitweb.cgi

   1 #!/usr/bin/perl
   2
   3 # gitweb - simple web interface to track changes in git repositories
   4 #
   5 # (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
   6 # (C) 2005, Christian Gierke
   7 #
   8 # This program is licensed under the GPLv2
   9
  10 use strict;
  11 use warnings;
  12 use CGI qw(:standard :escapeHTML -nosticky);
  13 use CGI::Util qw(unescape);
  14 use CGI::Carp qw(fatalsToBrowser);
  15 use Encode;
  16 use Fcntl ':mode';
  17 binmode STDOUT, ':utf8';
  18
  19 my $cgi = new CGI;
  20 my $version = "267";
  21 my $my_url = $cgi->url();
  22 my $my_uri = $cgi->url(-absolute => 1);
  23 my $rss_link = "";
  24
  25 # location of the git-core binaries
  26 my $gitbin = "/usr/bin";
  27
  28 # absolute fs-path which will be prepended to the project path
  29 #my $projectroot = "/pub/scm";
  30 my $projectroot = "/home/kay/public_html/pub/scm";
  31
  32 # version of the git-core binaries
  33 my $git_version = qx($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 my $git_temp = "/tmp/gitweb";
  42
  43 # target of the home link on top of all pages
  44 my $home_link = $my_uri;
  45
  46 # html text to include at home page
  47 my $home_text = "indextext.html";
  48
  49 # URI of default stylesheet
  50 my $stylesheet = "gitweb.css";
  51
  52 # source of projects list
  53 #my $projects_list = $projectroot;
  54 my $projects_list = "index/index.aux";
  55
  56 # default blob_plain mimetype and default charset for text/plain blob
  57 my $default_blob_plain_mimetype = 'text/plain';
  58 my $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 my $mimetypes_file = undef;
  63
  64
  65 # input validation and dispatch
  66 my $action = $cgi->param('a');
  67 if (defined $action) {
  68         if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
  69                 undef $action;
  70                 die_error(undef, "Invalid action parameter.");
  71         }
  72         if ($action eq "git-logo.png") {
  73                 git_logo();
  74                 exit;
  75         } elsif ($action eq "opml") {
  76                 git_opml();
  77                 exit;
  78         }
  79 }
  80
  81 my $order = $cgi->param('o');
  82 if (defined $order) {
  83         if ($order =~ m/[^0-9a-zA-Z_]/) {
  84                 undef $order;
  85                 die_error(undef, "Invalid order parameter.");
  86         }
  87 }
  88
  89 my $project = ($cgi->param('p') || $ENV{'PATH_INFO'});
  90 if (defined $project) {
  91         $project =~ s|^/||; $project =~ s|/$||;
  92         $project = validate_input($project);
  93         if (!defined($project)) {
  94                 die_error(undef, "Invalid project parameter.");
  95         }
  96         if (!(-d "$projectroot/$project")) {
  97                 undef $project;
  98                 die_error(undef, "No such directory.");
  99         }
 100         if (!(-e "$projectroot/$project/HEAD")) {
 101                 undef $project;
 102                 die_error(undef, "No such project.");
 103         }
 104         $rss_link = "<link rel=\"alternate\" title=\"" . esc_param($project) . " log\" href=\"" .
 105                     "$my_uri?" . esc_param("p=$project;a=rss") . "\" type=\"application/rss+xml\"/>";
 106         $ENV{'GIT_DIR'} = "$projectroot/$project";
 107 } else {
 108         git_project_list();
 109         exit;
 110 }
 111
 112 my $file_name = $cgi->param('f');
 113 if (defined $file_name) {
 114         $file_name = validate_input($file_name);
 115         if (!defined($file_name)) {
 116                 die_error(undef, "Invalid file parameter.");
 117         }
 118 }
 119
 120 my $hash = $cgi->param('h');
 121 if (defined $hash) {
 122         $hash = validate_input($hash);
 123         if (!defined($hash)) {
 124                 die_error(undef, "Invalid hash parameter.");
 125         }
 126 }
 127
 128 my $hash_parent = $cgi->param('hp');
 129 if (defined $hash_parent) {
 130         $hash_parent = validate_input($hash_parent);
 131         if (!defined($hash_parent)) {
 132                 die_error(undef, "Invalid hash parent parameter.");
 133         }
 134 }
 135
 136 my $hash_base = $cgi->param('hb');
 137 if (defined $hash_base) {
 138         $hash_base = validate_input($hash_base);
 139         if (!defined($hash_base)) {
 140                 die_error(undef, "Invalid hash base parameter.");
 141         }
 142 }
 143
 144 my $page = $cgi->param('pg');
 145 if (defined $page) {
 146         if ($page =~ m/[^0-9]$/) {
 147                 undef $page;
 148                 die_error(undef, "Invalid page parameter.");
 149         }
 150 }
 151
 152 my $searchtext = $cgi->param('s');
 153 if (defined $searchtext) {
 154         if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 155                 undef $searchtext;
 156                 die_error(undef, "Invalid search parameter.");
 157         }
 158         $searchtext = quotemeta $searchtext;
 159 }
 160
 161 sub validate_input {
 162         my $input = shift;
 163
 164         if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 165                 return $input;
 166         }
 167         if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 168                 return undef;
 169         }
 170         if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
 171                 return undef;
 172         }
 173         return $input;
 174 }
 175
 176 if (!defined $action || $action eq "summary") {
 177         git_summary();
 178         exit;
 179 } elsif ($action eq "heads") {
 180         git_heads();
 181         exit;
 182 } elsif ($action eq "tags") {
 183         git_tags();
 184         exit;
 185 } elsif ($action eq "blob") {
 186         git_blob();
 187         exit;
 188 } elsif ($action eq "blob_plain") {
 189         git_blob_plain();
 190         exit;
 191 } elsif ($action eq "tree") {
 192         git_tree();
 193         exit;
 194 } elsif ($action eq "rss") {
 195         git_rss();
 196         exit;
 197 } elsif ($action eq "commit") {
 198         git_commit();
 199         exit;
 200 } elsif ($action eq "log") {
 201         git_log();
 202         exit;
 203 } elsif ($action eq "blobdiff") {
 204         git_blobdiff();
 205         exit;
 206 } elsif ($action eq "blobdiff_plain") {
 207         git_blobdiff_plain();
 208         exit;
 209 } elsif ($action eq "commitdiff") {
 210         git_commitdiff();
 211         exit;
 212 } elsif ($action eq "commitdiff_plain") {
 213         git_commitdiff_plain();
 214         exit;
 215 } elsif ($action eq "history") {
 216         git_history();
 217         exit;
 218 } elsif ($action eq "search") {
 219         git_search();
 220         exit;
 221 } elsif ($action eq "shortlog") {
 222         git_shortlog();
 223         exit;
 224 } elsif ($action eq "tag") {
 225         git_tag();
 226         exit;
 227 } elsif ($action eq "blame") {
 228         git_blame();
 229         exit;
 230 } else {
 231         undef $action;
 232         die_error(undef, "Unknown action.");
 233         exit;
 234 }
 235
 236 # quote unsafe chars, but keep the slash, even when it's not
 237 # correct, but quoted slashes look too horrible in bookmarks
 238 sub esc_param {
 239         my $str = shift;
 240         $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 241         $str =~ s/\+/%2B/g;
 242         $str =~ s/ /\+/g;
 243         return $str;
 244 }
 245
 246 # replace invalid utf8 character with SUBSTITUTION sequence
 247 sub esc_html {
 248         my $str = shift;
 249         $str = decode("utf8", $str, Encode::FB_DEFAULT);
 250         $str = escapeHTML($str);
 251         return $str;
 252 }
 253
 254 # git may return quoted and escaped filenames
 255 sub unquote {
 256         my $str = shift;
 257         if ($str =~ m/^"(.*)"$/) {
 258                 $str = $1;
 259                 $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 260         }
 261         return $str;
 262 }
 263
 264 # CSS class for given age value (in seconds)
 265 sub age_class {
 266         my $age = shift;
 267
 268         if ($age < 60*60*2) {
 269                 return "age0";
 270         } elsif ($age < 60*60*24*2) {
 271                 return "age1";
 272         } else {
 273                 return "age2";
 274         }
 275 }
 276
 277 sub git_header_html {
 278         my $status = shift || "200 OK";
 279         my $expires = shift;
 280
 281         my $title = "git";
 282         if (defined $project) {
 283                 $title .= " - $project";
 284                 if (defined $action) {
 285                         $title .= "/$action";
 286                         if (defined $file_name) {
 287                                 $title .= " - $file_name";
 288                                 if ($action eq "tree" && $file_name !~ m|/$|) {
 289                                         $title .= "/";
 290                                 }
 291                         }
 292                 }
 293         }
 294         print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status, -expires => $expires);
 295         print <<EOF;
 296 <?xml version="1.0" encoding="utf-8"?>
 297 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 298 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 299 <!-- git web interface v$version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
 300 <!-- git core binaries version $git_version -->
 301 <head>
 302 <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
 303 <meta name="robots" content="index, nofollow"/>
 304 <title>$title</title>
 305 <link rel="stylesheet" type="text/css" href="$stylesheet"/>
 306 $rss_link
 307 </head>
 308 <body>
 309 EOF
 310         print "<div class=\"page_header\">\n" .
 311               "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 312               "<img src=\"$my_uri?" . esc_param("a=git-logo.png") . "\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 313               "</a>\n";
 314         print $cgi->a({-href => esc_param($home_link)}, "projects") . " / ";
 315         if (defined $project) {
 316                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, esc_html($project));
 317                 if (defined $action) {
 318                         print " / $action";
 319                 }
 320                 print "\n";
 321                 if (!defined $searchtext) {
 322                         $searchtext = "";
 323                 }
 324                 my $search_hash;
 325                 if (defined $hash_base) {
 326                         $search_hash = $hash_base;
 327                 } elsif (defined $hash) {
 328                         $search_hash = $hash;
 329                 } else {
 330                         $search_hash = "HEAD";
 331                 }
 332                 $cgi->param("a", "search");
 333                 $cgi->param("h", $search_hash);
 334                 print $cgi->startform(-method => "get", -action => $my_uri) .
 335                       "<div class=\"search\">\n" .
 336                       $cgi->hidden(-name => "p") . "\n" .
 337                       $cgi->hidden(-name => "a") . "\n" .
 338                       $cgi->hidden(-name => "h") . "\n" .
 339                       $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 340                       "</div>" .
 341                       $cgi->end_form() . "\n";
 342         }
 343         print "</div>\n";
 344 }
 345
 346 sub git_footer_html {
 347         print "<div class=\"page_footer\">\n";
 348         if (defined $project) {
 349                 my $descr = git_read_description($project);
 350                 if (defined $descr) {
 351                         print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
 352                 }
 353                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=rss"), -class => "rss_logo"}, "RSS") . "\n";
 354         } else {
 355                 print $cgi->a({-href => "$my_uri?" . esc_param("a=opml"), -class => "rss_logo"}, "OPML") . "\n";
 356         }
 357         print "</div>\n" .
 358               "</body>\n" .
 359               "</html>";
 360 }
 361
 362 sub die_error {
 363         my $status = shift || "403 Forbidden";
 364         my $error = shift || "Malformed query, file missing or permission denied";
 365
 366         git_header_html($status);
 367         print "<div class=\"page_body\">\n" .
 368               "<br/><br/>\n" .
 369               "$status - $error\n" .
 370               "<br/>\n" .
 371               "</div>\n";
 372         git_footer_html();
 373         exit;
 374 }
 375
 376 sub git_get_type {
 377         my $hash = shift;
 378
 379         open my $fd, "-|", "$gitbin/git-cat-file -t $hash" or return;
 380         my $type = <$fd>;
 381         close $fd or return;
 382         chomp $type;
 383         return $type;
 384 }
 385
 386 sub git_read_head {
 387         my $project = shift;
 388         my $oENV = $ENV{'GIT_DIR'};
 389         my $retval = undef;
 390         $ENV{'GIT_DIR'} = "$projectroot/$project";
 391         if (open my $fd, "-|", "$gitbin/git-rev-parse", "--verify", "HEAD") {
 392                 my $head = <$fd>;
 393                 close $fd;
 394                 if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 395                         $retval = $1;
 396                 }
 397         }
 398         if (defined $oENV) {
 399                 $ENV{'GIT_DIR'} = $oENV;
 400         }
 401         return $retval;
 402 }
 403
 404 sub git_read_hash {
 405         my $path = shift;
 406
 407         open my $fd, "$projectroot/$path" or return undef;
 408         my $head = <$fd>;
 409         close $fd;
 410         chomp $head;
 411         if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 412                 return $head;
 413         }
 414 }
 415
 416 sub git_read_description {
 417         my $path = shift;
 418
 419         open my $fd, "$projectroot/$path/description" or return undef;
 420         my $descr = <$fd>;
 421         close $fd;
 422         chomp $descr;
 423         return $descr;
 424 }
 425
 426 sub git_read_tag {
 427         my $tag_id = shift;
 428         my %tag;
 429         my @comment;
 430
 431         open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" or return;
 432         $tag{'id'} = $tag_id;
 433         while (my $line = <$fd>) {
 434                 chomp $line;
 435                 if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 436                         $tag{'object'} = $1;
 437                 } elsif ($line =~ m/^type (.+)$/) {
 438                         $tag{'type'} = $1;
 439                 } elsif ($line =~ m/^tag (.+)$/) {
 440                         $tag{'name'} = $1;
 441                 } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 442                         $tag{'author'} = $1;
 443                         $tag{'epoch'} = $2;
 444                         $tag{'tz'} = $3;
 445                 } elsif ($line =~ m/--BEGIN/) {
 446                         push @comment, $line;
 447                         last;
 448                 } elsif ($line eq "") {
 449                         last;
 450                 }
 451         }
 452         push @comment, <$fd>;
 453         $tag{'comment'} = \@comment;
 454         close $fd or return;
 455         if (!defined $tag{'name'}) {
 456                 return
 457         };
 458         return %tag
 459 }
 460
 461 sub age_string {
 462         my $age = shift;
 463         my $age_str;
 464
 465         if ($age > 60*60*24*365*2) {
 466                 $age_str = (int $age/60/60/24/365);
 467                 $age_str .= " years ago";
 468         } elsif ($age > 60*60*24*(365/12)*2) {
 469                 $age_str = int $age/60/60/24/(365/12);
 470                 $age_str .= " months ago";
 471         } elsif ($age > 60*60*24*7*2) {
 472                 $age_str = int $age/60/60/24/7;
 473                 $age_str .= " weeks ago";
 474         } elsif ($age > 60*60*24*2) {
 475                 $age_str = int $age/60/60/24;
 476                 $age_str .= " days ago";
 477         } elsif ($age > 60*60*2) {
 478                 $age_str = int $age/60/60;
 479                 $age_str .= " hours ago";
 480         } elsif ($age > 60*2) {
 481                 $age_str = int $age/60;
 482                 $age_str .= " min ago";
 483         } elsif ($age > 2) {
 484                 $age_str = int $age;
 485                 $age_str .= " sec ago";
 486         } else {
 487                 $age_str .= " right now";
 488         }
 489         return $age_str;
 490 }
 491
 492 sub git_read_commit {
 493         my $commit_id = shift;
 494         my $commit_text = shift;
 495
 496         my @commit_lines;
 497         my %co;
 498
 499         if (defined $commit_text) {
 500                 @commit_lines = @$commit_text;
 501         } else {
 502                 $/ = "\0";
 503                 open my $fd, "-|", "$gitbin/git-rev-list --header --parents --max-count=1 $commit_id" or return;
 504                 @commit_lines = split '\n', <$fd>;
 505                 close $fd or return;
 506                 $/ = "\n";
 507                 pop @commit_lines;
 508         }
 509         my $header = shift @commit_lines;
 510         if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 511                 return;
 512         }
 513         ($co{'id'}, my @parents) = split ' ', $header;
 514         $co{'parents'} = \@parents;
 515         $co{'parent'} = $parents[0];
 516         while (my $line = shift @commit_lines) {
 517                 last if $line eq "\n";
 518                 if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 519                         $co{'tree'} = $1;
 520                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 521                         $co{'author'} = $1;
 522                         $co{'author_epoch'} = $2;
 523                         $co{'author_tz'} = $3;
 524                         if ($co{'author'} =~ m/^([^<]+) </) {
 525                                 $co{'author_name'} = $1;
 526                         } else {
 527                                 $co{'author_name'} = $co{'author'};
 528                         }
 529                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 530                         $co{'committer'} = $1;
 531                         $co{'committer_epoch'} = $2;
 532                         $co{'committer_tz'} = $3;
 533                         $co{'committer_name'} = $co{'committer'};
 534                         $co{'committer_name'} =~ s/ <.*//;
 535                 }
 536         }
 537         if (!defined $co{'tree'}) {
 538                 return;
 539         };
 540
 541         foreach my $title (@commit_lines) {
 542                 $title =~ s/^    //;
 543                 if ($title ne "") {
 544                         $co{'title'} = chop_str($title, 80, 5);
 545                         # remove leading stuff of merges to make the interesting part visible
 546                         if (length($title) > 50) {
 547                                 $title =~ s/^Automatic //;
 548                                 $title =~ s/^merge (of|with) /Merge ... /i;
 549                                 if (length($title) > 50) {
 550                                         $title =~ s/(http|rsync):\/\///;
 551                                 }
 552                                 if (length($title) > 50) {
 553                                         $title =~ s/(master|www|rsync)\.//;
 554                                 }
 555                                 if (length($title) > 50) {
 556                                         $title =~ s/kernel.org:?//;
 557                                 }
 558                                 if (length($title) > 50) {
 559                                         $title =~ s/\/pub\/scm//;
 560                                 }
 561                         }
 562                         $co{'title_short'} = chop_str($title, 50, 5);
 563                         last;
 564                 }
 565         }
 566         # remove added spaces
 567         foreach my $line (@commit_lines) {
 568                 $line =~ s/^    //;
 569         }
 570         $co{'comment'} = \@commit_lines;
 571
 572         my $age = time - $co{'committer_epoch'};
 573         $co{'age'} = $age;
 574         $co{'age_string'} = age_string($age);
 575         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 576         if ($age > 60*60*24*7*2) {
 577                 $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 578                 $co{'age_string_age'} = $co{'age_string'};
 579         } else {
 580                 $co{'age_string_date'} = $co{'age_string'};
 581                 $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 582         }
 583         return %co;
 584 }
 585
 586 sub git_diff_print {
 587         my $from = shift;
 588         my $from_name = shift;
 589         my $to = shift;
 590         my $to_name = shift;
 591         my $format = shift || "html";
 592
 593         my $from_tmp = "/dev/null";
 594         my $to_tmp = "/dev/null";
 595         my $pid = $$;
 596
 597         # create tmp from-file
 598         if (defined $from) {
 599                 $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
 600                 open my $fd2, "> $from_tmp";
 601                 open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 602                 my @file = <$fd>;
 603                 print $fd2 @file;
 604                 close $fd2;
 605                 close $fd;
 606         }
 607
 608         # create tmp to-file
 609         if (defined $to) {
 610                 $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
 611                 open my $fd2, "> $to_tmp";
 612                 open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 613                 my @file = <$fd>;
 614                 print $fd2 @file;
 615                 close $fd2;
 616                 close $fd;
 617         }
 618
 619         open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
 620         if ($format eq "plain") {
 621                 undef $/;
 622                 print <$fd>;
 623                 $/ = "\n";
 624         } else {
 625                 while (my $line = <$fd>) {
 626                         chomp($line);
 627                         my $char = substr($line, 0, 1);
 628                         my $diff_class = "";
 629                         if ($char eq '+') {
 630                                 $diff_class = " add";
 631                         } elsif ($char eq "-") {
 632                                 $diff_class = " rem";
 633                         } elsif ($char eq "@") {
 634                                 $diff_class = " chunk_header";
 635                         } elsif ($char eq "\\") {
 636                                 # skip errors
 637                                 next;
 638                         }
 639                         while ((my $pos = index($line, "\t")) != -1) {
 640                                 if (my $count = (8 - (($pos-1) % 8))) {
 641                                         my $spaces = ' ' x $count;
 642                                         $line =~ s/\t/$spaces/;
 643                                 }
 644                         }
 645                         print "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
 646                 }
 647         }
 648         close $fd;
 649
 650         if (defined $from) {
 651                 unlink($from_tmp);
 652         }
 653         if (defined $to) {
 654                 unlink($to_tmp);
 655         }
 656 }
 657
 658 sub mode_str {
 659         my $mode = oct shift;
 660
 661         if (S_ISDIR($mode & S_IFMT)) {
 662                 return 'drwxr-xr-x';
 663         } elsif (S_ISLNK($mode)) {
 664                 return 'lrwxrwxrwx';
 665         } elsif (S_ISREG($mode)) {
 666                 # git cares only about the executable bit
 667                 if ($mode & S_IXUSR) {
 668                         return '-rwxr-xr-x';
 669                 } else {
 670                         return '-rw-r--r--';
 671                 };
 672         } else {
 673                 return '----------';
 674         }
 675 }
 676
 677 sub chop_str {
 678         my $str = shift;
 679         my $len = shift;
 680         my $add_len = shift || 10;
 681
 682         # allow only $len chars, but don't cut a word if it would fit in $add_len
 683         # if it doesn't fit, cut it if it's still longer than the dots we would add
 684         $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 685         my $body = $1;
 686         my $tail = $2;
 687         if (length($tail) > 4) {
 688                 $tail = " ...";
 689         }
 690         return "$body$tail";
 691 }
 692
 693 sub file_type {
 694         my $mode = oct shift;
 695
 696         if (S_ISDIR($mode & S_IFMT)) {
 697                 return "directory";
 698         } elsif (S_ISLNK($mode)) {
 699                 return "symlink";
 700         } elsif (S_ISREG($mode)) {
 701                 return "file";
 702         } else {
 703                 return "unknown";
 704         }
 705 }
 706
 707 sub format_log_line_html {
 708         my $line = shift;
 709
 710         $line = esc_html($line);
 711         $line =~ s/ /&nbsp;/g;
 712         if ($line =~ m/([0-9a-fA-F]{40})/) {
 713                 my $hash_text = $1;
 714                 if (git_get_type($hash_text) eq "commit") {
 715                         my $link = $cgi->a({-class => "text", -href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_text")}, $hash_text);
 716                         $line =~ s/$hash_text/$link/;
 717                 }
 718         }
 719         return $line;
 720 }
 721
 722 sub date_str {
 723         my $epoch = shift;
 724         my $tz = shift || "-0000";
 725
 726         my %date;
 727         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 728         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 729         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 730         $date{'hour'} = $hour;
 731         $date{'minute'} = $min;
 732         $date{'mday'} = $mday;
 733         $date{'day'} = $days[$wday];
 734         $date{'month'} = $months[$mon];
 735         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 736         $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 737
 738         $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 739         my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 740         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 741         $date{'hour_local'} = $hour;
 742         $date{'minute_local'} = $min;
 743         $date{'tz_local'} = $tz;
 744         return %date;
 745 }
 746
 747 # git-logo (cached in browser for one day)
 748 sub git_logo {
 749         binmode STDOUT, ':raw';
 750         print $cgi->header(-type => 'image/png', -expires => '+1d');
 751         # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 752         print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 753                 "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 754                 "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 755                 "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 756                 "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 757                 "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 758                 "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 759                 "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 760                 "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 761                 "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 762                 "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 763                 "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 764                 "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 765 }
 766
 767 sub get_file_owner {
 768         my $path = shift;
 769
 770         my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 771         my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 772         if (!defined $gcos) {
 773                 return undef;
 774         }
 775         my $owner = $gcos;
 776         $owner =~ s/[,;].*$//;
 777         return decode("utf8", $owner, Encode::FB_DEFAULT);
 778 }
 779
 780 sub git_read_projects {
 781         my @list;
 782
 783         if (-d $projects_list) {
 784                 # search in directory
 785                 my $dir = $projects_list;
 786                 opendir my $dh, $dir or return undef;
 787                 while (my $dir = readdir($dh)) {
 788                         if (-e "$projectroot/$dir/HEAD") {
 789                                 my $pr = {
 790                                         path => $dir,
 791                                 };
 792                                 push @list, $pr
 793                         }
 794                 }
 795                 closedir($dh);
 796         } elsif (-f $projects_list) {
 797                 # read from file(url-encoded):
 798                 # 'git%2Fgit.git Linus+Torvalds'
 799                 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 800                 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 801                 open my $fd , $projects_list or return undef;
 802                 while (my $line = <$fd>) {
 803                         chomp $line;
 804                         my ($path, $owner) = split ' ', $line;
 805                         $path = unescape($path);
 806                         $owner = unescape($owner);
 807                         if (!defined $path) {
 808                                 next;
 809                         }
 810                         if (-e "$projectroot/$path/HEAD") {
 811                                 my $pr = {
 812                                         path => $path,
 813                                         owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 814                                 };
 815                                 push @list, $pr
 816                         }
 817                 }
 818                 close $fd;
 819         }
 820         @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 821         return @list;
 822 }
 823
 824 sub git_get_project_config {
 825         my $key = shift;
 826
 827         return unless ($key);
 828         $key =~ s/^gitweb\.//;
 829         return if ($key =~ m/\W/);
 830
 831         my $val = qx($gitbin/git-repo-config --get gitweb.$key);
 832         return ($val);
 833 }
 834
 835 sub git_get_project_config_bool {
 836         my $val = git_get_project_config (@_);
 837         if ($val and $val =~ m/true|yes|on/) {
 838                 return (1);
 839         }
 840         return; # implicit false
 841 }
 842
 843 sub git_project_list {
 844         my @list = git_read_projects();
 845         my @projects;
 846         if (!@list) {
 847                 die_error(undef, "No project found.");
 848         }
 849         foreach my $pr (@list) {
 850                 my $head = git_read_head($pr->{'path'});
 851                 if (!defined $head) {
 852                         next;
 853                 }
 854                 $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
 855                 my %co = git_read_commit($head);
 856                 if (!%co) {
 857                         next;
 858                 }
 859                 $pr->{'commit'} = \%co;
 860                 if (!defined $pr->{'descr'}) {
 861                         my $descr = git_read_description($pr->{'path'}) || "";
 862                         $pr->{'descr'} = chop_str($descr, 25, 5);
 863                 }
 864                 if (!defined $pr->{'owner'}) {
 865                         $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
 866                 }
 867                 push @projects, $pr;
 868         }
 869         git_header_html();
 870         if (-f $home_text) {
 871                 print "<div class=\"index_include\">\n";
 872                 open (my $fd, $home_text);
 873                 print <$fd>;
 874                 close $fd;
 875                 print "</div>\n";
 876         }
 877         print "<table class=\"project_list\">\n" .
 878               "<tr>\n";
 879         if (!defined($order) || (defined($order) && ($order eq "project"))) {
 880                 @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
 881                 print "<th>Project</th>\n";
 882         } else {
 883                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=project")}, "Project") . "</th>\n";
 884         }
 885         if (defined($order) && ($order eq "descr")) {
 886                 @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
 887                 print "<th>Description</th>\n";
 888         } else {
 889                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=descr")}, "Description") . "</th>\n";
 890         }
 891         if (defined($order) && ($order eq "owner")) {
 892                 @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
 893                 print "<th>Owner</th>\n";
 894         } else {
 895                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=owner")}, "Owner") . "</th>\n";
 896         }
 897         if (defined($order) && ($order eq "age")) {
 898                 @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
 899                 print "<th>Last Change</th>\n";
 900         } else {
 901                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=age")}, "Last Change") . "</th>\n";
 902         }
 903         print "<th></th>\n" .
 904               "</tr>\n";
 905         my $alternate = 0;
 906         foreach my $pr (@projects) {
 907                 if ($alternate) {
 908                         print "<tr class=\"dark\">\n";
 909                 } else {
 910                         print "<tr class=\"light\">\n";
 911                 }
 912                 $alternate ^= 1;
 913                 print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary"), -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
 914                       "<td>$pr->{'descr'}</td>\n" .
 915                       "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
 916                 print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" . $pr->{'commit'}{'age_string'} . "</td>\n" .
 917                       "<td class=\"link\">" .
 918                       $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary")}, "summary") .
 919                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=shortlog")}, "shortlog") .
 920                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=log")}, "log") .
 921                       "</td>\n" .
 922                       "</tr>\n";
 923         }
 924         print "</table>\n";
 925         git_footer_html();
 926 }
 927
 928 sub read_info_ref {
 929         my $type = shift || "";
 930         my %refs;
 931         # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 932         # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 933         open my $fd, "$projectroot/$project/info/refs" or return;
 934         while (my $line = <$fd>) {
 935                 chomp($line);
 936                 if ($line =~ m/^([0-9a-fA-F]{40})\t.*$type\/([^\^]+)/) {
 937                         if (defined $refs{$1}) {
 938                                 $refs{$1} .= " / $2";
 939                         } else {
 940                                 $refs{$1} = $2;
 941                         }
 942                 }
 943         }
 944         close $fd or return;
 945         return \%refs;
 946 }
 947
 948 sub git_read_refs {
 949         my $ref_dir = shift;
 950         my @reflist;
 951
 952         my @refs;
 953         opendir my $dh, "$projectroot/$project/$ref_dir";
 954         while (my $dir = readdir($dh)) {
 955                 if ($dir =~ m/^\./) {
 956                         next;
 957                 }
 958                 if (-d "$projectroot/$project/$ref_dir/$dir") {
 959                         opendir my $dh2, "$projectroot/$project/$ref_dir/$dir";
 960                         my @subdirs = grep !m/^\./, readdir $dh2;
 961                         closedir($dh2);
 962                         foreach my $subdir (@subdirs) {
 963                                 push @refs, "$dir/$subdir"
 964                         }
 965                         next;
 966                 }
 967                 push @refs, $dir;
 968         }
 969         closedir($dh);
 970         foreach my $ref_file (@refs) {
 971                 my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 972                 my $type = git_get_type($ref_id) || next;
 973                 my %ref_item;
 974                 my %co;
 975                 $ref_item{'type'} = $type;
 976                 $ref_item{'id'} = $ref_id;
 977                 $ref_item{'epoch'} = 0;
 978                 $ref_item{'age'} = "unknown";
 979                 if ($type eq "tag") {
 980                         my %tag = git_read_tag($ref_id);
 981                         $ref_item{'comment'} = $tag{'comment'};
 982                         if ($tag{'type'} eq "commit") {
 983                                 %co = git_read_commit($tag{'object'});
 984                                 $ref_item{'epoch'} = $co{'committer_epoch'};
 985                                 $ref_item{'age'} = $co{'age_string'};
 986                         } elsif (defined($tag{'epoch'})) {
 987                                 my $age = time - $tag{'epoch'};
 988                                 $ref_item{'epoch'} = $tag{'epoch'};
 989                                 $ref_item{'age'} = age_string($age);
 990                         }
 991                         $ref_item{'reftype'} = $tag{'type'};
 992                         $ref_item{'name'} = $tag{'name'};
 993                         $ref_item{'refid'} = $tag{'object'};
 994                 } elsif ($type eq "commit"){
 995                         %co = git_read_commit($ref_id);
 996                         $ref_item{'reftype'} = "commit";
 997                         $ref_item{'name'} = $ref_file;
 998                         $ref_item{'title'} = $co{'title'};
 999                         $ref_item{'refid'} = $ref_id;
1000                         $ref_item{'epoch'} = $co{'committer_epoch'};
1001                         $ref_item{'age'} = $co{'age_string'};
1002                 }
1003
1004                 push @reflist, \%ref_item;
1005         }
1006         # sort tags by age
1007         @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1008         return \@reflist;
1009 }
1010
1011 sub git_summary {
1012         my $descr = git_read_description($project) || "none";
1013         my $head = git_read_head($project);
1014         my %co = git_read_commit($head);
1015         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1016
1017         my $owner;
1018         if (-f $projects_list) {
1019                 open (my $fd , $projects_list);
1020                 while (my $line = <$fd>) {
1021                         chomp $line;
1022                         my ($pr, $ow) = split ' ', $line;
1023                         $pr = unescape($pr);
1024                         $ow = unescape($ow);
1025                         if ($pr eq $project) {
1026                                 $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
1027                                 last;
1028                         }
1029                 }
1030                 close $fd;
1031         }
1032         if (!defined $owner) {
1033                 $owner = get_file_owner("$projectroot/$project");
1034         }
1035
1036         my $refs = read_info_ref();
1037         git_header_html();
1038         print "<div class=\"page_nav\">\n" .
1039               "summary".
1040               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1041               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1042               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1043               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1044               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree")}, "tree") .
1045               "<br/><br/>\n" .
1046               "</div>\n";
1047         print "<div class=\"title\">&nbsp;</div>\n";
1048         print "<table cellspacing=\"0\">\n" .
1049               "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
1050               "<tr><td>owner</td><td>$owner</td></tr>\n" .
1051               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
1052               "</table>\n";
1053         open my $fd, "-|", "$gitbin/git-rev-list --max-count=17 " . git_read_head($project) or die_error(undef, "Open failed.");
1054         my (@revlist) = map { chomp; $_ } <$fd>;
1055         close $fd;
1056         print "<div>\n" .
1057               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog"), -class => "title"}, "shortlog") .
1058               "</div>\n";
1059         my $i = 16;
1060         print "<table cellspacing=\"0\">\n";
1061         my $alternate = 0;
1062         foreach my $commit (@revlist) {
1063                 my %co = git_read_commit($commit);
1064                 my %ad = date_str($co{'author_epoch'});
1065                 if ($alternate) {
1066                         print "<tr class=\"dark\">\n";
1067                 } else {
1068                         print "<tr class=\"light\">\n";
1069                 }
1070                 $alternate ^= 1;
1071                 if ($i-- > 0) {
1072                         my $ref = "";
1073                         if (defined $refs->{$commit}) {
1074                                 $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
1075                         }
1076                         print "<td><i>$co{'age_string'}</i></td>\n" .
1077                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1078                               "<td>";
1079                         if (length($co{'title_short'}) < length($co{'title'})) {
1080                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
1081                                       "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
1082                         } else {
1083                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
1084                                       "<b>" . esc_html($co{'title'}) . "$ref</b>");
1085                         }
1086                         print "</td>\n" .
1087                               "<td class=\"link\">" .
1088                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1089                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1090                               "</td>\n" .
1091                               "</tr>";
1092                 } else {
1093                         print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "...") . "</td>\n" .
1094                         "</tr>";
1095                         last;
1096                 }
1097         }
1098         print "</table\n>";
1099
1100         my $taglist = git_read_refs("refs/tags");
1101         if (defined @$taglist) {
1102                 print "<div>\n" .
1103                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags"), -class => "title"}, "tags") .
1104                       "</div>\n";
1105                 my $i = 16;
1106                 print "<table cellspacing=\"0\">\n";
1107                 my $alternate = 0;
1108                 foreach my $entry (@$taglist) {
1109                         my %tag = %$entry;
1110                         my $comment_lines = $tag{'comment'};
1111                         my $comment = shift @$comment_lines;
1112                         if (defined($comment)) {
1113                                 $comment = chop_str($comment, 30, 5);
1114                         }
1115                         if ($alternate) {
1116                                 print "<tr class=\"dark\">\n";
1117                         } else {
1118                                 print "<tr class=\"light\">\n";
1119                         }
1120                         $alternate ^= 1;
1121                         if ($i-- > 0) {
1122                                 print "<td><i>$tag{'age'}</i></td>\n" .
1123                                       "<td>" .
1124                                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1125                                       "<b>" . esc_html($tag{'name'}) . "</b>") .
1126                                       "</td>\n" .
1127                                       "<td>";
1128                                 if (defined($comment)) {
1129                                       print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
1130                                 }
1131                                 print "</td>\n" .
1132                                       "<td class=\"link\">";
1133                                 if ($tag{'type'} eq "tag") {
1134                                       print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1135                                 }
1136                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1137                                 if ($tag{'reftype'} eq "commit") {
1138                                       print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1139                                             " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1140                                 }
1141                                 print "</td>\n" .
1142                                       "</tr>";
1143                         } else {
1144                                 print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags")}, "...") . "</td>\n" .
1145                                 "</tr>";
1146                                 last;
1147                         }
1148                 }
1149                 print "</table\n>";
1150         }
1151
1152         my $headlist = git_read_refs("refs/heads");
1153         if (defined @$headlist) {
1154                 print "<div>\n" .
1155                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads"), -class => "title"}, "heads") .
1156                       "</div>\n";
1157                 my $i = 16;
1158                 print "<table cellspacing=\"0\">\n";
1159                 my $alternate = 0;
1160                 foreach my $entry (@$headlist) {
1161                         my %tag = %$entry;
1162                         if ($alternate) {
1163                                 print "<tr class=\"dark\">\n";
1164                         } else {
1165                                 print "<tr class=\"light\">\n";
1166                         }
1167                         $alternate ^= 1;
1168                         if ($i-- > 0) {
1169                                 print "<td><i>$tag{'age'}</i></td>\n" .
1170                                       "<td>" .
1171                                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"},
1172                                       "<b>" . esc_html($tag{'name'}) . "</b>") .
1173                                       "</td>\n" .
1174                                       "<td class=\"link\">" .
1175                                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1176                                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1177                                       "</td>\n" .
1178                                       "</tr>";
1179                         } else {
1180                                 print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads")}, "...") . "</td>\n" .
1181                                 "</tr>";
1182                                 last;
1183                         }
1184                 }
1185                 print "</table\n>";
1186         }
1187         git_footer_html();
1188 }
1189
1190 sub git_tag {
1191         my $head = git_read_head($project);
1192         git_header_html();
1193         print "<div class=\"page_nav\">\n" .
1194               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1195               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1196               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1197               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1198               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1199               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1200               "<br/>\n" .
1201               "</div>\n";
1202         my %tag = git_read_tag($hash);
1203         print "<div>\n" .
1204               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($tag{'name'})) . "\n" .
1205               "</div>\n";
1206         print "<div class=\"title_text\">\n" .
1207               "<table cellspacing=\"0\">\n" .
1208               "<tr>\n" .
1209               "<td>object</td>\n" .
1210               "<td>" . $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'object'}) . "</td>\n" .
1211               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'type'}) . "</td>\n" .
1212               "</tr>\n";
1213         if (defined($tag{'author'})) {
1214                 my %ad = date_str($tag{'epoch'}, $tag{'tz'});
1215                 print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
1216                 print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1217         }
1218         print "</table>\n\n" .
1219               "</div>\n";
1220         print "<div class=\"page_body\">";
1221         my $comment = $tag{'comment'};
1222         foreach my $line (@$comment) {
1223                 print esc_html($line) . "<br/>\n";
1224         }
1225         print "</div>\n";
1226         git_footer_html();
1227 }
1228
1229 sub git_blame {
1230         my $fd;
1231         die_error('403 Permission denied', "Permission denied.") if (!git_get_project_config_bool ('blame'));
1232         die_error('404 Not Found', "What file will it be, master?") if (!$file_name);
1233         $hash_base ||= git_read_head($project);
1234         die_error(undef, "Reading commit failed.") unless ($hash_base);
1235         my %co = git_read_commit($hash_base)
1236                 or die_error(undef, "Reading commit failed.");
1237         if (!defined $hash) {
1238                 $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1239                         or die_error(undef, "Error lookup file.");
1240         }
1241         open ($fd, "-|", "$gitbin/git-annotate", '-l', '-t', '-r', $file_name, $hash_base)
1242                 or die_error(undef, "Open failed.");
1243         git_header_html();
1244         print "<div class=\"page_nav\">\n" .
1245                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1246                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1247                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1248                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1249                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1250                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
1251         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1252                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head") . "<br/>\n";
1253         print "</div>\n".
1254                 "<div>" .
1255                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1256                 "</div>\n";
1257         print "<div class=\"page_path\"><b>" . esc_html($file_name) . "</b></div>\n";
1258         print "<div class=\"page_body\">\n";
1259         print <<HTML;
1260 <table class="blame">
1261   <tr>
1262     <th>Commit</th>
1263     <th>Age</th>
1264     <th>Author</th>
1265     <th>Line</th>
1266     <th>Data</th>
1267   </tr>
1268 HTML
1269         my @line_class = (qw(light dark));
1270         my $line_class_len = scalar (@line_class);
1271         my $line_class_num = $#line_class;
1272         while (my $line = <$fd>) {
1273                 my $long_rev;
1274                 my $short_rev;
1275                 my $author;
1276                 my $time;
1277                 my $lineno;
1278                 my $data;
1279                 my $age;
1280                 my $age_str;
1281                 my $age_class;
1282
1283                 chomp $line;
1284                 $line_class_num = ($line_class_num + 1) % $line_class_len;
1285
1286                 if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
1287                         $long_rev = $1;
1288                         $author   = $2;
1289                         $time     = $3;
1290                         $lineno   = $4;
1291                         $data     = $5;
1292                 } else {
1293                         print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
1294                         next;
1295                 }
1296                 $short_rev  = substr ($long_rev, 0, 8);
1297                 $age        = time () - $time;
1298                 $age_str    = age_string ($age);
1299                 $age_str    =~ s/ /&nbsp;/g;
1300                 $age_class  = age_class($age);
1301                 $author     = esc_html ($author);
1302                 $author     =~ s/ /&nbsp;/g;
1303                 # escape tabs
1304                 while ((my $pos = index($data, "\t")) != -1) {
1305                         if (my $count = (8 - ($pos % 8))) {
1306                                 my $spaces = ' ' x $count;
1307                                 $data =~ s/\t/$spaces/;
1308                         }
1309                 }
1310                 $data = esc_html ($data);
1311
1312                 print <<HTML;
1313   <tr class="$line_class[$line_class_num]">
1314     <td class="sha1"><a href="$my_uri?${\esc_param ("p=$project;a=commit;h=$long_rev")}" class="text">$short_rev..</a></td>
1315     <td class="$age_class">$age_str</td>
1316     <td>$author</td>
1317     <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
1318     <td class="pre">$data</td>
1319   </tr>
1320 HTML
1321         } # while (my $line = <$fd>)
1322         print "</table>\n\n";
1323         close $fd or print "Reading blob failed.\n";
1324         print "</div>";
1325         git_footer_html();
1326 }
1327
1328 sub git_tags {
1329         my $head = git_read_head($project);
1330         git_header_html();
1331         print "<div class=\"page_nav\">\n" .
1332               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1333               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1334               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1335               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1336               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1337               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1338               "<br/>\n" .
1339               "</div>\n";
1340         my $taglist = git_read_refs("refs/tags");
1341         print "<div>\n" .
1342               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1343               "</div>\n";
1344         print "<table cellspacing=\"0\">\n";
1345         my $alternate = 0;
1346         if (defined @$taglist) {
1347                 foreach my $entry (@$taglist) {
1348                         my %tag = %$entry;
1349                         my $comment_lines = $tag{'comment'};
1350                         my $comment = shift @$comment_lines;
1351                         if (defined($comment)) {
1352                                 $comment = chop_str($comment, 30, 5);
1353                         }
1354                         if ($alternate) {
1355                                 print "<tr class=\"dark\">\n";
1356                         } else {
1357                                 print "<tr class=\"light\">\n";
1358                         }
1359                         $alternate ^= 1;
1360                         print "<td><i>$tag{'age'}</i></td>\n" .
1361                               "<td>" .
1362                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1363                               "<b>" . esc_html($tag{'name'}) . "</b>") .
1364                               "</td>\n" .
1365                               "<td>";
1366                         if (defined($comment)) {
1367                               print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
1368                         }
1369                         print "</td>\n" .
1370                               "<td class=\"link\">";
1371                         if ($tag{'type'} eq "tag") {
1372                               print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1373                         }
1374                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1375                         if ($tag{'reftype'} eq "commit") {
1376                               print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1377                                     " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1378                         }
1379                         print "</td>\n" .
1380                               "</tr>";
1381                 }
1382         }
1383         print "</table\n>";
1384         git_footer_html();
1385 }
1386
1387 sub git_heads {
1388         my $head = git_read_head($project);
1389         git_header_html();
1390         print "<div class=\"page_nav\">\n" .
1391               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1392               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1393               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1394               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1395               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1396               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1397               "<br/>\n" .
1398               "</div>\n";
1399         my $taglist = git_read_refs("refs/heads");
1400         print "<div>\n" .
1401               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1402               "</div>\n";
1403         print "<table cellspacing=\"0\">\n";
1404         my $alternate = 0;
1405         if (defined @$taglist) {
1406                 foreach my $entry (@$taglist) {
1407                         my %tag = %$entry;
1408                         if ($alternate) {
1409                                 print "<tr class=\"dark\">\n";
1410                         } else {
1411                                 print "<tr class=\"light\">\n";
1412                         }
1413                         $alternate ^= 1;
1414                         print "<td><i>$tag{'age'}</i></td>\n" .
1415                               "<td>" .
1416                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1417                               "</td>\n" .
1418                               "<td class=\"link\">" .
1419                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1420                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1421                               "</td>\n" .
1422                               "</tr>";
1423                 }
1424         }
1425         print "</table\n>";
1426         git_footer_html();
1427 }
1428
1429 sub git_get_hash_by_path {
1430         my $base = shift;
1431         my $path = shift || return undef;
1432
1433         my $tree = $base;
1434         my @parts = split '/', $path;
1435         while (my $part = shift @parts) {
1436                 open my $fd, "-|", "$gitbin/git-ls-tree $tree" or die_error(undef, "Open git-ls-tree failed.");
1437                 my (@entries) = map { chomp; $_ } <$fd>;
1438                 close $fd or return undef;
1439                 foreach my $line (@entries) {
1440                         #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1441                         $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1442                         my $t_mode = $1;
1443                         my $t_type = $2;
1444                         my $t_hash = $3;
1445                         my $t_name = validate_input(unquote($4));
1446                         if ($t_name eq $part) {
1447                                 if (!(@parts)) {
1448                                         return $t_hash;
1449                                 }
1450                                 if ($t_type eq "tree") {
1451                                         $tree = $t_hash;
1452                                 }
1453                                 last;
1454                         }
1455                 }
1456         }
1457 }
1458
1459 sub git_blob {
1460         if (!defined $hash && defined $file_name) {
1461                 my $base = $hash_base || git_read_head($project);
1462                 $hash = git_get_hash_by_path($base, $file_name, "blob") || die_error(undef, "Error lookup file.");
1463         }
1464         my $have_blame = git_get_project_config_bool ('blame');
1465         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or die_error(undef, "Open failed.");
1466         git_header_html();
1467         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1468                 print "<div class=\"page_nav\">\n" .
1469                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1470                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1471                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1472                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1473                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1474                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
1475                 if (defined $file_name) {
1476                         if ($have_blame) {
1477                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$hash;hb=$hash_base;f=$file_name")}, "blame") .  " | ";
1478                         }
1479                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") .
1480                         " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=HEAD;f=$file_name")}, "head") . "<br/>\n";
1481                 } else {
1482                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash")}, "plain") . "<br/>\n";
1483                 }
1484                 print "</div>\n".
1485                        "<div>" .
1486                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1487                       "</div>\n";
1488         } else {
1489                 print "<div class=\"page_nav\">\n" .
1490                       "<br/><br/></div>\n" .
1491                       "<div class=\"title\">$hash</div>\n";
1492         }
1493         if (defined $file_name) {
1494                 print "<div class=\"page_path\"><b>" . esc_html($file_name) . "</b></div>\n";
1495         }
1496         print "<div class=\"page_body\">\n";
1497         my $nr;
1498         while (my $line = <$fd>) {
1499                 chomp $line;
1500                 $nr++;
1501                 while ((my $pos = index($line, "\t")) != -1) {
1502                         if (my $count = (8 - ($pos % 8))) {
1503                                 my $spaces = ' ' x $count;
1504                                 $line =~ s/\t/$spaces/;
1505                         }
1506                 }
1507                 printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
1508         }
1509         close $fd or print "Reading blob failed.\n";
1510         print "</div>";
1511         git_footer_html();
1512 }
1513
1514 sub mimetype_guess_file {
1515         my $filename = shift;
1516         my $mimemap = shift;
1517         -r $mimemap or return undef;
1518
1519         my %mimemap;
1520         open(MIME, $mimemap) or return undef;
1521         while (<MIME>) {
1522                 my ($mime, $exts) = split(/\t+/);
1523                 my @exts = split(/\s+/, $exts);
1524                 foreach my $ext (@exts) {
1525                         $mimemap{$ext} = $mime;
1526                 }
1527         }
1528         close(MIME);
1529
1530         $filename =~ /\.(.*?)$/;
1531         return $mimemap{$1};
1532 }
1533
1534 sub mimetype_guess {
1535         my $filename = shift;
1536         my $mime;
1537         $filename =~ /\./ or return undef;
1538
1539         if ($mimetypes_file) {
1540                 my $file = $mimetypes_file;
1541                 #$file =~ m#^/# or $file = "$projectroot/$path/$file";
1542                 $mime = mimetype_guess_file($filename, $file);
1543         }
1544         $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1545         return $mime;
1546 }
1547
1548 sub git_blob_plain_mimetype {
1549         my $fd = shift;
1550         my $filename = shift;
1551
1552         # just in case
1553         return $default_blob_plain_mimetype unless $fd;
1554
1555         if ($filename) {
1556                 my $mime = mimetype_guess($filename);
1557                 $mime and return $mime;
1558         }
1559
1560         if (-T $fd) {
1561                 return 'text/plain' .
1562                        ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1563         } elsif (! $filename) {
1564                 return 'application/octet-stream';
1565         } elsif ($filename =~ m/\.png$/i) {
1566                 return 'image/png';
1567         } elsif ($filename =~ m/\.gif$/i) {
1568                 return 'image/gif';
1569         } elsif ($filename =~ m/\.jpe?g$/i) {
1570                 return 'image/jpeg';
1571         } else {
1572                 return 'application/octet-stream';
1573         }
1574 }
1575
1576 sub git_blob_plain {
1577         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or return;
1578         my $type = git_blob_plain_mimetype($fd, $file_name);
1579
1580         # save as filename, even when no $file_name is given
1581         my $save_as = "$hash";
1582         if (defined $file_name) {
1583                 $save_as = $file_name;
1584         } elsif ($type =~ m/^text\//) {
1585                 $save_as .= '.txt';
1586         }
1587
1588         print $cgi->header(-type => "$type", '-content-disposition' => "inline; filename=\"$save_as\"");
1589         undef $/;
1590         binmode STDOUT, ':raw';
1591         print <$fd>;
1592         binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
1593         $/ = "\n";
1594         close $fd;
1595 }
1596
1597 sub git_tree {
1598         if (!defined $hash) {
1599                 $hash = git_read_head($project);
1600                 if (defined $file_name) {
1601                         my $base = $hash_base || $hash;
1602                         $hash = git_get_hash_by_path($base, $file_name, "tree");
1603                 }
1604                 if (!defined $hash_base) {
1605                         $hash_base = $hash;
1606                 }
1607         }
1608         $/ = "\0";
1609         open my $fd, "-|", "$gitbin/git-ls-tree -z $hash" or die_error(undef, "Open git-ls-tree failed.");
1610         chomp (my (@entries) = <$fd>);
1611         close $fd or die_error(undef, "Reading tree failed.");
1612         $/ = "\n";
1613
1614         my $refs = read_info_ref();
1615         my $ref = "";
1616         if (defined $refs->{$hash_base}) {
1617                 $ref = " <span class=\"tag\">" . esc_html($refs->{$hash_base}) . "</span>";
1618         }
1619         git_header_html();
1620         my $base_key = "";
1621         my $base = "";
1622         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1623                 $base_key = ";hb=$hash_base";
1624                 print "<div class=\"page_nav\">\n" .
1625                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1626                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash_base")}, "shortlog") .
1627                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash_base")}, "log") .
1628                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1629                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1630                       " | tree" .
1631                       "<br/><br/>\n" .
1632                       "</div>\n";
1633                 print "<div>\n" .
1634                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
1635                       "</div>\n";
1636         } else {
1637                 print "<div class=\"page_nav\">\n";
1638                 print "<br/><br/></div>\n";
1639                 print "<div class=\"title\">$hash</div>\n";
1640         }
1641         if (defined $file_name) {
1642                 $base = esc_html("$file_name/");
1643                 print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b></div>\n";
1644         } else {
1645                 print "<div class=\"page_path\"><b>/</b></div>\n";
1646         }
1647         print "<div class=\"page_body\">\n";
1648         print "<table cellspacing=\"0\">\n";
1649         my $alternate = 0;
1650         foreach my $line (@entries) {
1651                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1652                 $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1653                 my $t_mode = $1;
1654                 my $t_type = $2;
1655                 my $t_hash = $3;
1656                 my $t_name = validate_input($4);
1657                 if ($alternate) {
1658                         print "<tr class=\"dark\">\n";
1659                 } else {
1660                         print "<tr class=\"light\">\n";
1661                 }
1662                 $alternate ^= 1;
1663                 print "<td class=\"mode\">" . mode_str($t_mode) . "</td>\n";
1664                 if ($t_type eq "blob") {
1665                         print "<td class=\"list\">" .
1666                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name"), -class => "list"}, esc_html($t_name)) .
1667                               "</td>\n" .
1668                               "<td class=\"link\">" .
1669                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name")}, "blob") .
1670 #                             " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$t_hash$base_key;f=$base$t_name")}, "blame") .
1671                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash_base;f=$base$t_name")}, "history") .
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                               "</td>\n";
1680                 }
1681                 print "</tr>\n";
1682         }
1683         print "</table>\n" .
1684               "</div>";
1685         git_footer_html();
1686 }
1687
1688 sub git_rss {
1689         # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
1690         open my $fd, "-|", "$gitbin/git-rev-list --max-count=150 " . git_read_head($project) or die_error(undef, "Open failed.");
1691         my (@revlist) = map { chomp; $_ } <$fd>;
1692         close $fd or die_error(undef, "Reading rev-list failed.");
1693         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1694         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1695               "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
1696         print "<channel>\n";
1697         print "<title>$project</title>\n".
1698               "<link>" . esc_html("$my_url?p=$project;a=summary") . "</link>\n".
1699               "<description>$project log</description>\n".
1700               "<language>en</language>\n";
1701
1702         for (my $i = 0; $i <= $#revlist; $i++) {
1703                 my $commit = $revlist[$i];
1704                 my %co = git_read_commit($commit);
1705                 # we read 150, we always show 30 and the ones more recent than 48 hours
1706                 if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
1707                         last;
1708                 }
1709                 my %cd = date_str($co{'committer_epoch'});
1710                 open $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $co{'id'}" or next;
1711                 my @difftree = map { chomp; $_ } <$fd>;
1712                 close $fd or next;
1713                 print "<item>\n" .
1714                       "<title>" .
1715                       sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
1716                       "</title>\n" .
1717                       "<author>" . esc_html($co{'author'}) . "</author>\n" .
1718                       "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
1719                       "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
1720                       "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
1721                       "<description>" . esc_html($co{'title'}) . "</description>\n" .
1722                       "<content:encoded>" .
1723                       "<![CDATA[\n";
1724                 my $comment = $co{'comment'};
1725                 foreach my $line (@$comment) {
1726                         $line = decode("utf8", $line, Encode::FB_DEFAULT);
1727                         print "$line<br/>\n";
1728                 }
1729                 print "<br/>\n";
1730                 foreach my $line (@difftree) {
1731                         if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1732                                 next;
1733                         }
1734                         my $file = validate_input(unquote($7));
1735                         $file = decode("utf8", $file, Encode::FB_DEFAULT);
1736                         print "$file<br/>\n";
1737                 }
1738                 print "]]>\n" .
1739                       "</content:encoded>\n" .
1740                       "</item>\n";
1741         }
1742         print "</channel></rss>";
1743 }
1744
1745 sub git_opml {
1746         my @list = git_read_projects();
1747
1748         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1749         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1750               "<opml version=\"1.0\">\n".
1751               "<head>".
1752               "  <title>Git OPML Export</title>\n".
1753               "</head>\n".
1754               "<body>\n".
1755               "<outline text=\"git RSS feeds\">\n";
1756
1757         foreach my $pr (@list) {
1758                 my %proj = %$pr;
1759                 my $head = git_read_head($proj{'path'});
1760                 if (!defined $head) {
1761                         next;
1762                 }
1763                 $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
1764                 my %co = git_read_commit($head);
1765                 if (!%co) {
1766                         next;
1767                 }
1768
1769                 my $path = esc_html(chop_str($proj{'path'}, 25, 5));
1770                 my $rss  = "$my_url?p=$proj{'path'};a=rss";
1771                 my $html = "$my_url?p=$proj{'path'};a=summary";
1772                 print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
1773         }
1774         print "</outline>\n".
1775               "</body>\n".
1776               "</opml>\n";
1777 }
1778
1779 sub git_log {
1780         my $head = git_read_head($project);
1781         if (!defined $hash) {
1782                 $hash = $head;
1783         }
1784         if (!defined $page) {
1785                 $page = 0;
1786         }
1787         my $refs = read_info_ref();
1788         git_header_html();
1789         print "<div class=\"page_nav\">\n";
1790         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1791               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
1792               " | log" .
1793               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
1794               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
1795               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
1796
1797         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1798         open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
1799         my (@revlist) = map { chomp; $_ } <$fd>;
1800         close $fd;
1801
1802         if ($hash ne $head || $page) {
1803                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "HEAD");
1804         } else {
1805                 print "HEAD";
1806         }
1807         if ($page > 0) {
1808                 print " &sdot; " .
1809                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
1810         } else {
1811                 print " &sdot; prev";
1812         }
1813         if ($#revlist >= (100 * ($page+1)-1)) {
1814                 print " &sdot; " .
1815                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
1816         } else {
1817                 print " &sdot; next";
1818         }
1819         print "<br/>\n" .
1820               "</div>\n";
1821         if (!@revlist) {
1822                 print "<div>\n" .
1823                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1824                       "</div>\n";
1825                 my %co = git_read_commit($hash);
1826                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1827         }
1828         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1829                 my $commit = $revlist[$i];
1830                 my $ref = "";
1831                 if (defined $refs->{$commit}) {
1832                         $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
1833                 }
1834                 my %co = git_read_commit($commit);
1835                 next if !%co;
1836                 my %ad = date_str($co{'author_epoch'});
1837                 print "<div>\n" .
1838                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "title"},
1839                       "<span class=\"age\">$co{'age_string'}</span>" . esc_html($co{'title'}) . $ref) . "\n";
1840                 print "</div>\n";
1841                 print "<div class=\"title_text\">\n" .
1842                       "<div class=\"log_link\">\n" .
1843                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1844                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1845                       "<br/>\n" .
1846                       "</div>\n" .
1847                       "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1848                       "</div>\n" .
1849                       "<div class=\"log_body\">\n";
1850                 my $comment = $co{'comment'};
1851                 my $empty = 0;
1852                 foreach my $line (@$comment) {
1853                         if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1854                                 next;
1855                         }
1856                         if ($line eq "") {
1857                                 if ($empty) {
1858                                         next;
1859                                 }
1860                                 $empty = 1;
1861                         } else {
1862                                 $empty = 0;
1863                         }
1864                         print format_log_line_html($line) . "<br/>\n";
1865                 }
1866                 if (!$empty) {
1867                         print "<br/>\n";
1868                 }
1869                 print "</div>\n";
1870         }
1871         git_footer_html();
1872 }
1873
1874 sub git_commit {
1875         my %co = git_read_commit($hash);
1876         if (!%co) {
1877                 die_error(undef, "Unknown commit object.");
1878         }
1879         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1880         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1881
1882         my @difftree;
1883         my $root = "";
1884         my $parent = $co{'parent'};
1885         if (!defined $parent) {
1886                 $root = " --root";
1887                 $parent = "";
1888         }
1889         open my $fd, "-|", "$gitbin/git-diff-tree -r -M $root $parent $hash" or die_error(undef, "Open failed.");
1890         @difftree = map { chomp; $_ } <$fd>;
1891         close $fd or die_error(undef, "Reading diff-tree failed.");
1892
1893         # non-textual hash id's can be cached
1894         my $expires;
1895         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1896                 $expires = "+1d";
1897         }
1898         my $refs = read_info_ref();
1899         my $ref = "";
1900         if (defined $refs->{$co{'id'}}) {
1901                 $ref = " <span class=\"tag\">" . esc_html($refs->{$co{'id'}}) . "</span>";
1902         }
1903         git_header_html(undef, $expires);
1904         print "<div class=\"page_nav\">\n" .
1905               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1906               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
1907               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
1908               " | commit";
1909         if (defined $co{'parent'}) {
1910                 print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff");
1911         }
1912         print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "\n" .
1913               "<br/><br/></div>\n";
1914         if (defined $co{'parent'}) {
1915                 print "<div>\n" .
1916                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
1917                       "</div>\n";
1918         } else {
1919                 print "<div>\n" .
1920                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1921                       "</div>\n";
1922         }
1923         print "<div class=\"title_text\">\n" .
1924               "<table cellspacing=\"0\">\n";
1925         print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
1926               "<tr>" .
1927               "<td></td><td> $ad{'rfc2822'}";
1928         if ($ad{'hour_local'} < 6) {
1929                 printf(" (<span class=\"atnight\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1930         } else {
1931                 printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1932         }
1933         print "</td>" .
1934               "</tr>\n";
1935         print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
1936         print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1937         print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
1938         print "<tr>" .
1939               "<td>tree</td>" .
1940               "<td class=\"sha1\">" .
1941               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), class => "list"}, $co{'tree'}) .
1942               "</td>" .
1943               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
1944               "</td>" .
1945               "</tr>\n";
1946         my $parents = $co{'parents'};
1947         foreach my $par (@$parents) {
1948                 print "<tr>" .
1949                       "<td>parent</td>" .
1950                       "<td class=\"sha1\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par"), class => "list"}, $par) . "</td>" .
1951                       "<td class=\"link\">" .
1952                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par")}, "commit") .
1953                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash;hp=$par")}, "commitdiff") .
1954                       "</td>" .
1955                       "</tr>\n";
1956         }
1957         print "</table>".
1958               "</div>\n";
1959         print "<div class=\"page_body\">\n";
1960         my $comment = $co{'comment'};
1961         my $empty = 0;
1962         my $signed = 0;
1963         foreach my $line (@$comment) {
1964                 # print only one empty line
1965                 if ($line eq "") {
1966                         if ($empty || $signed) {
1967                                 next;
1968                         }
1969                         $empty = 1;
1970                 } else {
1971                         $empty = 0;
1972                 }
1973                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1974                         $signed = 1;
1975                         print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1976                 } else {
1977                         $signed = 0;
1978                         print format_log_line_html($line) . "<br/>\n";
1979                 }
1980         }
1981         print "</div>\n";
1982         print "<div class=\"list_head\">\n";
1983         if ($#difftree > 10) {
1984                 print(($#difftree + 1) . " files changed:\n");
1985         }
1986         print "</div>\n";
1987         print "<table class=\"diff_tree\">\n";
1988         my $alternate = 0;
1989         foreach my $line (@difftree) {
1990                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1991                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1992                 if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1993                         next;
1994                 }
1995                 my $from_mode = $1;
1996                 my $to_mode = $2;
1997                 my $from_id = $3;
1998                 my $to_id = $4;
1999                 my $status = $5;
2000                 my $similarity = $6;
2001                 my $file = validate_input(unquote($7));
2002                 if ($alternate) {
2003                         print "<tr class=\"dark\">\n";
2004                 } else {
2005                         print "<tr class=\"light\">\n";
2006                 }
2007                 $alternate ^= 1;
2008                 if ($status eq "A") {
2009                         my $mode_chng = "";
2010                         if (S_ISREG(oct $to_mode)) {
2011                                 $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
2012                         }
2013                         print "<td>" .
2014                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2015                               "<td><span class=\"file_status new\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
2016                               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob") . "</td>\n";
2017                 } elsif ($status eq "D") {
2018                         print "<td>" .
2019                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2020                               "<td><span class=\"file_status deleted\">[deleted " . file_type($from_mode). "]</span></td>\n" .
2021                               "<td class=\"link\">" .
2022                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, "blob") .
2023                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash;f=$file")}, "history") .
2024                               "</td>\n"
2025                 } elsif ($status eq "M" || $status eq "T") {
2026                         my $mode_chnge = "";
2027                         if ($from_mode != $to_mode) {
2028                                 $mode_chnge = " <span class=\"file_status mode_chnge\">[changed";
2029                                 if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
2030                                         $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
2031                                 }
2032                                 if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
2033                                         if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
2034                                                 $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
2035                                         } elsif (S_ISREG($to_mode)) {
2036                                                 $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
2037                                         }
2038                                 }
2039                                 $mode_chnge .= "]</span>\n";
2040                         }
2041                         print "<td>";
2042                         if ($to_id ne $from_id) {
2043                                 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));
2044                         } else {
2045                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
2046                         }
2047                         print "</td>\n" .
2048                               "<td>$mode_chnge</td>\n" .
2049                               "<td class=\"link\">";
2050                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob");
2051                         if ($to_id ne $from_id) {
2052                                 print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file")}, "diff");
2053                         }
2054                         print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash;f=$file")}, "history") . "\n";
2055                         print "</td>\n";
2056                 } elsif ($status eq "R") {
2057                         my ($from_file, $to_file) = split "\t", $file;
2058                         my $mode_chng = "";
2059                         if ($from_mode != $to_mode) {
2060                                 $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
2061                         }
2062                         print "<td>" .
2063                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"), -class => "list"}, esc_html($to_file)) . "</td>\n" .
2064                               "<td><span class=\"file_status moved\">[moved from " .
2065                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$from_file"), -class => "list"}, esc_html($from_file)) .
2066                               " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
2067                               "<td class=\"link\">" .
2068                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file")}, "blob");
2069                         if ($to_id ne $from_id) {
2070                                 print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file")}, "diff");
2071                         }
2072                         print "</td>\n";
2073                 }
2074                 print "</tr>\n";
2075         }
2076         print "</table>\n";
2077         git_footer_html();
2078 }
2079
2080 sub git_blobdiff {
2081         mkdir($git_temp, 0700);
2082         git_header_html();
2083         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
2084                 print "<div class=\"page_nav\">\n" .
2085                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2086                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2087                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
2088                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
2089                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
2090                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") .
2091                       "<br/>\n";
2092                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent")}, "plain") .
2093                       "</div>\n";
2094                 print "<div>\n" .
2095                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2096                       "</div>\n";
2097         } else {
2098                 print "<div class=\"page_nav\">\n" .
2099                       "<br/><br/></div>\n" .
2100                       "<div class=\"title\">$hash vs $hash_parent</div>\n";
2101         }
2102         if (defined $file_name) {
2103                 print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b></div>\n";
2104         }
2105         print "<div class=\"page_body\">\n" .
2106               "<div class=\"diff_info\">blob:" .
2107               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name")}, $hash_parent) .
2108               " -> blob:" .
2109               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, $hash) .
2110               "</div>\n";
2111         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2112         print "</div>";
2113         git_footer_html();
2114 }
2115
2116 sub git_blobdiff_plain {
2117         mkdir($git_temp, 0700);
2118         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2119         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2120 }
2121
2122 sub git_commitdiff {
2123         mkdir($git_temp, 0700);
2124         my %co = git_read_commit($hash);
2125         if (!%co) {
2126                 die_error(undef, "Unknown commit object.");
2127         }
2128         if (!defined $hash_parent) {
2129                 $hash_parent = $co{'parent'};
2130         }
2131         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
2132         my (@difftree) = map { chomp; $_ } <$fd>;
2133         close $fd or die_error(undef, "Reading diff-tree failed.");
2134
2135         # non-textual hash id's can be cached
2136         my $expires;
2137         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2138                 $expires = "+1d";
2139         }
2140         my $refs = read_info_ref();
2141         my $ref = "";
2142         if (defined $refs->{$co{'id'}}) {
2143                 $ref = " <span class=\"tag\">" . esc_html($refs->{$co{'id'}}) . "</span>";
2144         }
2145         git_header_html(undef, $expires);
2146         print "<div class=\"page_nav\">\n" .
2147               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2148               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
2149               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2150               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2151               " | commitdiff" .
2152               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "<br/>\n";
2153         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent")}, "plain") . "\n" .
2154               "</div>\n";
2155         print "<div>\n" .
2156               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
2157               "</div>\n";
2158         print "<div class=\"page_body\">\n";
2159         my $comment = $co{'comment'};
2160         my $empty = 0;
2161         my $signed = 0;
2162         my @log = @$comment;
2163         # remove first and empty lines after that
2164         shift @log;
2165         while (defined $log[0] && $log[0] eq "") {
2166                 shift @log;
2167         }
2168         foreach my $line (@log) {
2169                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
2170                         next;
2171                 }
2172                 if ($line eq "") {
2173                         if ($empty) {
2174                                 next;
2175                         }
2176                         $empty = 1;
2177                 } else {
2178                         $empty = 0;
2179                 }
2180                 print format_log_line_html($line) . "<br/>\n";
2181         }
2182         print "<br/>\n";
2183         foreach my $line (@difftree) {
2184                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2185                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2186                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2187                 my $from_mode = $1;
2188                 my $to_mode = $2;
2189                 my $from_id = $3;
2190                 my $to_id = $4;
2191                 my $status = $5;
2192                 my $file = validate_input(unquote($6));
2193                 if ($status eq "A") {
2194                         print "<div class=\"diff_info\">" .  file_type($to_mode) . ":" .
2195                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id) . "(new)" .
2196                               "</div>\n";
2197                         git_diff_print(undef, "/dev/null", $to_id, "b/$file");
2198                 } elsif ($status eq "D") {
2199                         print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
2200                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) . "(deleted)" .
2201                               "</div>\n";
2202                         git_diff_print($from_id, "a/$file", undef, "/dev/null");
2203                 } elsif ($status eq "M") {
2204                         if ($from_id ne $to_id) {
2205                                 print "<div class=\"diff_info\">" .
2206                                       file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) .
2207                                       " -> " .
2208                                       file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id);
2209                                 print "</div>\n";
2210                                 git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
2211                         }
2212                 }
2213         }
2214         print "<br/>\n" .
2215               "</div>";
2216         git_footer_html();
2217 }
2218
2219 sub git_commitdiff_plain {
2220         mkdir($git_temp, 0700);
2221         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
2222         my (@difftree) = map { chomp; $_ } <$fd>;
2223         close $fd or die_error(undef, "Reading diff-tree failed.");
2224
2225         # try to figure out the next tag after this commit
2226         my $tagname;
2227         my $refs = read_info_ref("tags");
2228         open $fd, "-|", "$gitbin/git-rev-list HEAD";
2229         chomp (my (@commits) = <$fd>);
2230         close $fd;
2231         foreach my $commit (@commits) {
2232                 if (defined $refs->{$commit}) {
2233                         $tagname = $refs->{$commit}
2234                 }
2235                 if ($commit eq $hash) {
2236                         last;
2237                 }
2238         }
2239
2240         print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"git-$hash.patch\"");
2241         my %co = git_read_commit($hash);
2242         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
2243         my $comment = $co{'comment'};
2244         print "From: $co{'author'}\n" .
2245               "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
2246               "Subject: $co{'title'}\n";
2247         if (defined $tagname) {
2248               print "X-Git-Tag: $tagname\n";
2249         }
2250         print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
2251               "\n";
2252
2253         foreach my $line (@$comment) {;
2254                 print "$line\n";
2255         }
2256         print "---\n\n";
2257
2258         foreach my $line (@difftree) {
2259                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2260                 my $from_id = $3;
2261                 my $to_id = $4;
2262                 my $status = $5;
2263                 my $file = $6;
2264                 if ($status eq "A") {
2265                         git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
2266                 } elsif ($status eq "D") {
2267                         git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
2268                 } elsif ($status eq "M") {
2269                         git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
2270                 }
2271         }
2272 }
2273
2274 sub git_history {
2275         if (!defined $hash) {
2276                 $hash = git_read_head($project);
2277         }
2278         my %co = git_read_commit($hash);
2279         if (!%co) {
2280                 die_error(undef, "Unknown commit object.");
2281         }
2282         my $refs = read_info_ref();
2283         git_header_html();
2284         print "<div class=\"page_nav\">\n" .
2285               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2286               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2287               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
2288               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2289               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2290               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2291               "<br/><br/>\n" .
2292               "</div>\n";
2293         print "<div>\n" .
2294               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2295               "</div>\n";
2296         print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b><br/></div>\n";
2297
2298         open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -- \'$file_name\'";
2299         my $commit;
2300         print "<table cellspacing=\"0\">\n";
2301         my $alternate = 0;
2302         while (my $line = <$fd>) {
2303                 if ($line =~ m/^([0-9a-fA-F]{40})/){
2304                         $commit = $1;
2305                         next;
2306                 }
2307                 if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/ && (defined $commit)) {
2308                         my %co = git_read_commit($commit);
2309                         if (!%co) {
2310                                 next;
2311                         }
2312                         my $ref = "";
2313                         if (defined $refs->{$commit}) {
2314                                 $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
2315                         }
2316                         if ($alternate) {
2317                                 print "<tr class=\"dark\">\n";
2318                         } else {
2319                                 print "<tr class=\"light\">\n";
2320                         }
2321                         $alternate ^= 1;
2322                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2323                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2324                               "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"}, "<b>" .
2325                               esc_html(chop_str($co{'title'}, 50)) . "$ref</b>") . "</td>\n" .
2326                               "<td class=\"link\">" .
2327                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2328                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2329                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=$commit;f=$file_name")}, "blob");
2330                         my $blob = git_get_hash_by_path($hash, $file_name);
2331                         my $blob_parent = git_get_hash_by_path($commit, $file_name);
2332                         if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
2333                                 print " | " .
2334                                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name")},
2335                                 "diff to current");
2336                         }
2337                         print "</td>\n" .
2338                               "</tr>\n";
2339                         undef $commit;
2340                 }
2341         }
2342         print "</table>\n";
2343         close $fd;
2344         git_footer_html();
2345 }
2346
2347 sub git_search {
2348         if (!defined $searchtext) {
2349                 die_error("", "Text field empty.");
2350         }
2351         if (!defined $hash) {
2352                 $hash = git_read_head($project);
2353         }
2354         my %co = git_read_commit($hash);
2355         if (!%co) {
2356                 die_error(undef, "Unknown commit object.");
2357         }
2358         # pickaxe may take all resources of your box and run for several minutes
2359         # with every query - so decide by yourself how public you make this feature :)
2360         my $commit_search = 1;
2361         my $author_search = 0;
2362         my $committer_search = 0;
2363         my $pickaxe_search = 0;
2364         if ($searchtext =~ s/^author\\://i) {
2365                 $author_search = 1;
2366         } elsif ($searchtext =~ s/^committer\\://i) {
2367                 $committer_search = 1;
2368         } elsif ($searchtext =~ s/^pickaxe\\://i) {
2369                 $commit_search = 0;
2370                 $pickaxe_search = 1;
2371         }
2372         git_header_html();
2373         print "<div class=\"page_nav\">\n" .
2374               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary;h=$hash")}, "summary") .
2375               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2376               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2377               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2378               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2379               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2380               "<br/><br/>\n" .
2381               "</div>\n";
2382
2383         print "<div>\n" .
2384               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2385               "</div>\n";
2386         print "<table cellspacing=\"0\">\n";
2387         my $alternate = 0;
2388         if ($commit_search) {
2389                 $/ = "\0";
2390                 open my $fd, "-|", "$gitbin/git-rev-list --header --parents $hash" or next;
2391                 while (my $commit_text = <$fd>) {
2392                         if (!grep m/$searchtext/i, $commit_text) {
2393                                 next;
2394                         }
2395                         if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2396                                 next;
2397                         }
2398                         if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2399                                 next;
2400                         }
2401                         my @commit_lines = split "\n", $commit_text;
2402                         my %co = git_read_commit(undef, \@commit_lines);
2403                         if (!%co) {
2404                                 next;
2405                         }
2406                         if ($alternate) {
2407                                 print "<tr class=\"dark\">\n";
2408                         } else {
2409                                 print "<tr class=\"light\">\n";
2410                         }
2411                         $alternate ^= 1;
2412                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2413                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2414                               "<td>" .
2415                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" . esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2416                         my $comment = $co{'comment'};
2417                         foreach my $line (@$comment) {
2418                                 if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2419                                         my $lead = esc_html($1) || "";
2420                                         $lead = chop_str($lead, 30, 10);
2421                                         my $match = esc_html($2) || "";
2422                                         my $trail = esc_html($3) || "";
2423                                         $trail = chop_str($trail, 30, 10);
2424                                         my $text = "$lead<span class=\"match\">$match</span>$trail";
2425                                         print chop_str($text, 80, 5) . "<br/>\n";
2426                                 }
2427                         }
2428                         print "</td>\n" .
2429                               "<td class=\"link\">" .
2430                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2431                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2432                         print "</td>\n" .
2433                               "</tr>\n";
2434                 }
2435                 close $fd;
2436         }
2437
2438         if ($pickaxe_search) {
2439                 $/ = "\n";
2440                 open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -S\'$searchtext\'";
2441                 undef %co;
2442                 my @files;
2443                 while (my $line = <$fd>) {
2444                         if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2445                                 my %set;
2446                                 $set{'file'} = $6;
2447                                 $set{'from_id'} = $3;
2448                                 $set{'to_id'} = $4;
2449                                 $set{'id'} = $set{'to_id'};
2450                                 if ($set{'id'} =~ m/0{40}/) {
2451                                         $set{'id'} = $set{'from_id'};
2452                                 }
2453                                 if ($set{'id'} =~ m/0{40}/) {
2454                                         next;
2455                                 }
2456                                 push @files, \%set;
2457                         } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2458                                 if (%co) {
2459                                         if ($alternate) {
2460                                                 print "<tr class=\"dark\">\n";
2461                                         } else {
2462                                                 print "<tr class=\"light\">\n";
2463                                         }
2464                                         $alternate ^= 1;
2465                                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2466                                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2467                                               "<td>" .
2468                                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" .
2469                                               esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2470                                         while (my $setref = shift @files) {
2471                                                 my %set = %$setref;
2472                                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}"), class => "list"},
2473                                                       "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
2474                                                       "<br/>\n";
2475                                         }
2476                                         print "</td>\n" .
2477                                               "<td class=\"link\">" .
2478                                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2479                                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2480                                         print "</td>\n" .
2481                                               "</tr>\n";
2482                                 }
2483                                 %co = git_read_commit($1);
2484                         }
2485                 }
2486                 close $fd;
2487         }
2488         print "</table>\n";
2489         git_footer_html();
2490 }
2491
2492 sub git_shortlog {
2493         my $head = git_read_head($project);
2494         if (!defined $hash) {
2495                 $hash = $head;
2496         }
2497         if (!defined $page) {
2498                 $page = 0;
2499         }
2500         my $refs = read_info_ref();
2501         git_header_html();
2502         print "<div class=\"page_nav\">\n" .
2503               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2504               " | shortlog" .
2505               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2506               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2507               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2508               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
2509
2510         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2511         open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
2512         my (@revlist) = map { chomp; $_ } <$fd>;
2513         close $fd;
2514
2515         if ($hash ne $head || $page) {
2516                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "HEAD");
2517         } else {
2518                 print "HEAD";
2519         }
2520         if ($page > 0) {
2521                 print " &sdot; " .
2522                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
2523         } else {
2524                 print " &sdot; prev";
2525         }
2526         if ($#revlist >= (100 * ($page+1)-1)) {
2527                 print " &sdot; " .
2528                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
2529         } else {
2530                 print " &sdot; next";
2531         }
2532         print "<br/>\n" .
2533               "</div>\n";
2534         print "<div>\n" .
2535               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
2536               "</div>\n";
2537         print "<table cellspacing=\"0\">\n";
2538         my $alternate = 0;
2539         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2540                 my $commit = $revlist[$i];
2541                 my $ref = "";
2542                 if (defined $refs->{$commit}) {
2543                         $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
2544                 }
2545                 my %co = git_read_commit($commit);
2546                 my %ad = date_str($co{'author_epoch'});
2547                 if ($alternate) {
2548                         print "<tr class=\"dark\">\n";
2549                 } else {
2550                         print "<tr class=\"light\">\n";
2551                 }
2552                 $alternate ^= 1;
2553                 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2554                       "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2555                       "<td>";
2556                 if (length($co{'title_short'}) < length($co{'title'})) {
2557                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
2558                               "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
2559                 } else {
2560                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
2561                               "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
2562                 }
2563                 print "</td>\n" .
2564                       "<td class=\"link\">" .
2565                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2566                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2567                       "</td>\n" .
2568                       "</tr>";
2569         }
2570         if ($#revlist >= (100 * ($page+1)-1)) {
2571                 print "<tr>\n" .
2572                       "<td>" .
2573                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -title => "Alt-n"}, "next") .
2574                       "</td>\n" .
2575                       "</tr>\n";
2576         }
2577         print "</table\n>";
2578         git_footer_html();
2579 }