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