git.oblomov.eu Git - git/blob - gitweb/gitweb.cgi

   1 #!/usr/bin/perl
   2
   3 # gitweb - simple web interface to track changes in git repositories
   4 #
   5 # (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
   6 # (C) 2005, Christian Gierke
   7 #
   8 # This program is licensed under the GPLv2
   9
  10 use strict;
  11 use warnings;
  12 use CGI qw(:standard :escapeHTML -nosticky);
  13 use CGI::Util qw(unescape);
  14 use CGI::Carp qw(fatalsToBrowser);
  15 use Encode;
  16 use Fcntl ':mode';
  17 binmode STDOUT, ':utf8';
  18
  19 my $cgi = new CGI;
  20 my $version = "267";
  21 my $my_url = $cgi->url();
  22 my $my_uri = $cgi->url(-absolute => 1);
  23 my $rss_link = "";
  24
  25 # location of the git-core binaries
  26 my $gitbin = "/usr/bin";
  27
  28 # absolute fs-path which will be prepended to the project path
  29 #my $projectroot = "/pub/scm";
  30 my $projectroot = "/home/kay/public_html/pub/scm";
  31
  32 # version of the git-core binaries
  33 my $git_version = qx($gitbin/git --version);
  34 if ($git_version =~ m/git version (.*)$/) {
  35         $git_version = $1;
  36 } else {
  37         $git_version = "unknown";
  38 }
  39
  40 # location for temporary files needed for diffs
  41 my $git_temp = "/tmp/gitweb";
  42
  43 # target of the home link on top of all pages
  44 my $home_link = $my_uri;
  45
  46 # html text to include at home page
  47 my $home_text = "indextext.html";
  48
  49 # URI of default stylesheet
  50 my $stylesheet = "gitweb.css";
  51
  52 # source of projects list
  53 #my $projects_list = $projectroot;
  54 my $projects_list = "index/index.aux";
  55
  56 # default blob_plain mimetype and default charset for text/plain blob
  57 my $default_blob_plain_mimetype = 'text/plain';
  58 my $default_text_plain_charset  = undef;
  59
  60 # file to use for guessing MIME types before trying /etc/mime.types
  61 # (relative to the current git repository)
  62 my $mimetypes_file = undef;
  63
  64
  65 # input validation and dispatch
  66 my $action = $cgi->param('a');
  67 if (defined $action) {
  68         if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
  69                 undef $action;
  70                 die_error(undef, "Invalid action parameter.");
  71         }
  72         if ($action eq "git-logo.png") {
  73                 git_logo();
  74                 exit;
  75         } elsif ($action eq "opml") {
  76                 git_opml();
  77                 exit;
  78         }
  79 }
  80
  81 my $order = $cgi->param('o');
  82 if (defined $order) {
  83         if ($order =~ m/[^0-9a-zA-Z_]/) {
  84                 undef $order;
  85                 die_error(undef, "Invalid order parameter.");
  86         }
  87 }
  88
  89 my $project = ($cgi->param('p') || $ENV{'PATH_INFO'});
  90 if (defined $project) {
  91         $project =~ s|^/||; $project =~ s|/$||;
  92         $project = validate_input($project);
  93         if (!defined($project)) {
  94                 die_error(undef, "Invalid project parameter.");
  95         }
  96         if (!(-d "$projectroot/$project")) {
  97                 undef $project;
  98                 die_error(undef, "No such directory.");
  99         }
 100         if (!(-e "$projectroot/$project/HEAD")) {
 101                 undef $project;
 102                 die_error(undef, "No such project.");
 103         }
 104         $rss_link = "<link rel=\"alternate\" title=\"" . esc_param($project) . " log\" href=\"" .
 105                     "$my_uri?" . esc_param("p=$project;a=rss") . "\" type=\"application/rss+xml\"/>";
 106         $ENV{'GIT_DIR'} = "$projectroot/$project";
 107 } else {
 108         git_project_list();
 109         exit;
 110 }
 111
 112 my $file_name = $cgi->param('f');
 113 if (defined $file_name) {
 114         $file_name = validate_input($file_name);
 115         if (!defined($file_name)) {
 116                 die_error(undef, "Invalid file parameter.");
 117         }
 118 }
 119
 120 my $hash = $cgi->param('h');
 121 if (defined $hash) {
 122         $hash = validate_input($hash);
 123         if (!defined($hash)) {
 124                 die_error(undef, "Invalid hash parameter.");
 125         }
 126 }
 127
 128 my $hash_parent = $cgi->param('hp');
 129 if (defined $hash_parent) {
 130         $hash_parent = validate_input($hash_parent);
 131         if (!defined($hash_parent)) {
 132                 die_error(undef, "Invalid hash parent parameter.");
 133         }
 134 }
 135
 136 my $hash_base = $cgi->param('hb');
 137 if (defined $hash_base) {
 138         $hash_base = validate_input($hash_base);
 139         if (!defined($hash_base)) {
 140                 die_error(undef, "Invalid hash base parameter.");
 141         }
 142 }
 143
 144 my $page = $cgi->param('pg');
 145 if (defined $page) {
 146         if ($page =~ m/[^0-9]$/) {
 147                 undef $page;
 148                 die_error(undef, "Invalid page parameter.");
 149         }
 150 }
 151
 152 my $searchtext = $cgi->param('s');
 153 if (defined $searchtext) {
 154         if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 155                 undef $searchtext;
 156                 die_error(undef, "Invalid search parameter.");
 157         }
 158         $searchtext = quotemeta $searchtext;
 159 }
 160
 161 sub validate_input {
 162         my $input = shift;
 163
 164         if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 165                 return $input;
 166         }
 167         if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 168                 return undef;
 169         }
 170         if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
 171                 return undef;
 172         }
 173         return $input;
 174 }
 175
 176 if (!defined $action || $action eq "summary") {
 177         git_summary();
 178         exit;
 179 } elsif ($action eq "heads") {
 180         git_heads();
 181         exit;
 182 } elsif ($action eq "tags") {
 183         git_tags();
 184         exit;
 185 } elsif ($action eq "blob") {
 186         git_blob();
 187         exit;
 188 } elsif ($action eq "blob_plain") {
 189         git_blob_plain();
 190         exit;
 191 } elsif ($action eq "tree") {
 192         git_tree();
 193         exit;
 194 } elsif ($action eq "rss") {
 195         git_rss();
 196         exit;
 197 } elsif ($action eq "commit") {
 198         git_commit();
 199         exit;
 200 } elsif ($action eq "log") {
 201         git_log();
 202         exit;
 203 } elsif ($action eq "blobdiff") {
 204         git_blobdiff();
 205         exit;
 206 } elsif ($action eq "blobdiff_plain") {
 207         git_blobdiff_plain();
 208         exit;
 209 } elsif ($action eq "commitdiff") {
 210         git_commitdiff();
 211         exit;
 212 } elsif ($action eq "commitdiff_plain") {
 213         git_commitdiff_plain();
 214         exit;
 215 } elsif ($action eq "history") {
 216         git_history();
 217         exit;
 218 } elsif ($action eq "search") {
 219         git_search();
 220         exit;
 221 } elsif ($action eq "shortlog") {
 222         git_shortlog();
 223         exit;
 224 } elsif ($action eq "tag") {
 225         git_tag();
 226         exit;
 227 } elsif ($action eq "blame") {
 228         git_blame();
 229         exit;
 230 } else {
 231         undef $action;
 232         die_error(undef, "Unknown action.");
 233         exit;
 234 }
 235
 236 # quote unsafe chars, but keep the slash, even when it's not
 237 # correct, but quoted slashes look too horrible in bookmarks
 238 sub esc_param {
 239         my $str = shift;
 240         $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 241         $str =~ s/\+/%2B/g;
 242         $str =~ s/ /\+/g;
 243         return $str;
 244 }
 245
 246 # replace invalid utf8 character with SUBSTITUTION sequence
 247 sub esc_html {
 248         my $str = shift;
 249         $str = decode("utf8", $str, Encode::FB_DEFAULT);
 250         $str = escapeHTML($str);
 251         return $str;
 252 }
 253
 254 # git may return quoted and escaped filenames
 255 sub unquote {
 256         my $str = shift;
 257         if ($str =~ m/^"(.*)"$/) {
 258                 $str = $1;
 259                 $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 260         }
 261         return $str;
 262 }
 263
 264 # CSS class for given age value (in seconds)
 265 sub age_class {
 266         my $age = shift;
 267
 268         if ($age < 60*60*2) {
 269                 return "age0";
 270         } elsif ($age < 60*60*24*2) {
 271                 return "age1";
 272         } else {
 273                 return "age2";
 274         }
 275 }
 276
 277 sub git_header_html {
 278         my $status = shift || "200 OK";
 279         my $expires = shift;
 280
 281         my $title = "git";
 282         if (defined $project) {
 283                 $title .= " - $project";
 284                 if (defined $action) {
 285                         $title .= "/$action";
 286                         if (defined $file_name) {
 287                                 $title .= " - $file_name";
 288                                 if ($action eq "tree" && $file_name !~ m|/$|) {
 289                                         $title .= "/";
 290                                 }
 291                         }
 292                 }
 293         }
 294         print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status, -expires => $expires);
 295         print <<EOF;
 296 <?xml version="1.0" encoding="utf-8"?>
 297 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 298 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 299 <!-- git web interface v$version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
 300 <!-- git core binaries version $git_version -->
 301 <head>
 302 <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
 303 <meta name="robots" content="index, nofollow"/>
 304 <title>$title</title>
 305 <link rel="stylesheet" type="text/css" href="$stylesheet"/>
 306 $rss_link
 307 </head>
 308 <body>
 309 EOF
 310         print "<div class=\"page_header\">\n" .
 311               "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 312               "<img src=\"$my_uri?" . esc_param("a=git-logo.png") . "\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 313               "</a>\n";
 314         print $cgi->a({-href => esc_param($home_link)}, "projects") . " / ";
 315         if (defined $project) {
 316                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, esc_html($project));
 317                 if (defined $action) {
 318                         print " / $action";
 319                 }
 320                 print "\n";
 321                 if (!defined $searchtext) {
 322                         $searchtext = "";
 323                 }
 324                 my $search_hash;
 325                 if (defined $hash) {
 326                         $search_hash = $hash;
 327                 } else {
 328                         $search_hash  = "HEAD";
 329                 }
 330                 $cgi->param("a", "search");
 331                 $cgi->param("h", $search_hash);
 332                 print $cgi->startform(-method => "get", -action => $my_uri) .
 333                       "<div class=\"search\">\n" .
 334                       $cgi->hidden(-name => "p") . "\n" .
 335                       $cgi->hidden(-name => "a") . "\n" .
 336                       $cgi->hidden(-name => "h") . "\n" .
 337                       $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 338                       "</div>" .
 339                       $cgi->end_form() . "\n";
 340         }
 341         print "</div>\n";
 342 }
 343
 344 sub git_footer_html {
 345         print "<div class=\"page_footer\">\n";
 346         if (defined $project) {
 347                 my $descr = git_read_description($project);
 348                 if (defined $descr) {
 349                         print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
 350                 }
 351                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=rss"), -class => "rss_logo"}, "RSS") . "\n";
 352         } else {
 353                 print $cgi->a({-href => "$my_uri?" . esc_param("a=opml"), -class => "rss_logo"}, "OPML") . "\n";
 354         }
 355         print "</div>\n" .
 356               "</body>\n" .
 357               "</html>";
 358 }
 359
 360 sub die_error {
 361         my $status = shift || "403 Forbidden";
 362         my $error = shift || "Malformed query, file missing or permission denied";
 363
 364         git_header_html($status);
 365         print "<div class=\"page_body\">\n" .
 366               "<br/><br/>\n" .
 367               "$status - $error\n" .
 368               "<br/>\n" .
 369               "</div>\n";
 370         git_footer_html();
 371         exit;
 372 }
 373
 374 sub git_get_type {
 375         my $hash = shift;
 376
 377         open my $fd, "-|", "$gitbin/git-cat-file -t $hash" or return;
 378         my $type = <$fd>;
 379         close $fd or return;
 380         chomp $type;
 381         return $type;
 382 }
 383
 384 sub git_read_head {
 385         my $project = shift;
 386         my $oENV = $ENV{'GIT_DIR'};
 387         my $retval = undef;
 388         $ENV{'GIT_DIR'} = "$projectroot/$project";
 389         if (open my $fd, "-|", "$gitbin/git-rev-parse", "--verify", "HEAD") {
 390                 my $head = <$fd>;
 391                 close $fd;
 392                 if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 393                         $retval = $1;
 394                 }
 395         }
 396         if (defined $oENV) {
 397                 $ENV{'GIT_DIR'} = $oENV;
 398         }
 399         return $retval;
 400 }
 401
 402 sub git_read_hash {
 403         my $path = shift;
 404
 405         open my $fd, "$projectroot/$path" or return undef;
 406         my $head = <$fd>;
 407         close $fd;
 408         chomp $head;
 409         if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 410                 return $head;
 411         }
 412 }
 413
 414 sub git_read_description {
 415         my $path = shift;
 416
 417         open my $fd, "$projectroot/$path/description" or return undef;
 418         my $descr = <$fd>;
 419         close $fd;
 420         chomp $descr;
 421         return $descr;
 422 }
 423
 424 sub git_read_tag {
 425         my $tag_id = shift;
 426         my %tag;
 427         my @comment;
 428
 429         open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" or return;
 430         $tag{'id'} = $tag_id;
 431         while (my $line = <$fd>) {
 432                 chomp $line;
 433                 if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 434                         $tag{'object'} = $1;
 435                 } elsif ($line =~ m/^type (.+)$/) {
 436                         $tag{'type'} = $1;
 437                 } elsif ($line =~ m/^tag (.+)$/) {
 438                         $tag{'name'} = $1;
 439                 } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 440                         $tag{'author'} = $1;
 441                         $tag{'epoch'} = $2;
 442                         $tag{'tz'} = $3;
 443                 } elsif ($line =~ m/--BEGIN/) {
 444                         push @comment, $line;
 445                         last;
 446                 } elsif ($line eq "") {
 447                         last;
 448                 }
 449         }
 450         push @comment, <$fd>;
 451         $tag{'comment'} = \@comment;
 452         close $fd or return;
 453         if (!defined $tag{'name'}) {
 454                 return
 455         };
 456         return %tag
 457 }
 458
 459 sub age_string {
 460         my $age = shift;
 461         my $age_str;
 462
 463         if ($age > 60*60*24*365*2) {
 464                 $age_str = (int $age/60/60/24/365);
 465                 $age_str .= " years ago";
 466         } elsif ($age > 60*60*24*(365/12)*2) {
 467                 $age_str = int $age/60/60/24/(365/12);
 468                 $age_str .= " months ago";
 469         } elsif ($age > 60*60*24*7*2) {
 470                 $age_str = int $age/60/60/24/7;
 471                 $age_str .= " weeks ago";
 472         } elsif ($age > 60*60*24*2) {
 473                 $age_str = int $age/60/60/24;
 474                 $age_str .= " days ago";
 475         } elsif ($age > 60*60*2) {
 476                 $age_str = int $age/60/60;
 477                 $age_str .= " hours ago";
 478         } elsif ($age > 60*2) {
 479                 $age_str = int $age/60;
 480                 $age_str .= " min ago";
 481         } elsif ($age > 2) {
 482                 $age_str = int $age;
 483                 $age_str .= " sec ago";
 484         } else {
 485                 $age_str .= " right now";
 486         }
 487         return $age_str;
 488 }
 489
 490 sub git_read_commit {
 491         my $commit_id = shift;
 492         my $commit_text = shift;
 493
 494         my @commit_lines;
 495         my %co;
 496
 497         if (defined $commit_text) {
 498                 @commit_lines = @$commit_text;
 499         } else {
 500                 $/ = "\0";
 501                 open my $fd, "-|", "$gitbin/git-rev-list --header --parents --max-count=1 $commit_id" or return;
 502                 @commit_lines = split '\n', <$fd>;
 503                 close $fd or return;
 504                 $/ = "\n";
 505                 pop @commit_lines;
 506         }
 507         my $header = shift @commit_lines;
 508         if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 509                 return;
 510         }
 511         ($co{'id'}, my @parents) = split ' ', $header;
 512         $co{'parents'} = \@parents;
 513         $co{'parent'} = $parents[0];
 514         while (my $line = shift @commit_lines) {
 515                 last if $line eq "\n";
 516                 if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 517                         $co{'tree'} = $1;
 518                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 519                         $co{'author'} = $1;
 520                         $co{'author_epoch'} = $2;
 521                         $co{'author_tz'} = $3;
 522                         if ($co{'author'} =~ m/^([^<]+) </) {
 523                                 $co{'author_name'} = $1;
 524                         } else {
 525                                 $co{'author_name'} = $co{'author'};
 526                         }
 527                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 528                         $co{'committer'} = $1;
 529                         $co{'committer_epoch'} = $2;
 530                         $co{'committer_tz'} = $3;
 531                         $co{'committer_name'} = $co{'committer'};
 532                         $co{'committer_name'} =~ s/ <.*//;
 533                 }
 534         }
 535         if (!defined $co{'tree'}) {
 536                 return;
 537         };
 538
 539         foreach my $title (@commit_lines) {
 540                 $title =~ s/^    //;
 541                 if ($title ne "") {
 542                         $co{'title'} = chop_str($title, 80, 5);
 543                         # remove leading stuff of merges to make the interesting part visible
 544                         if (length($title) > 50) {
 545                                 $title =~ s/^Automatic //;
 546                                 $title =~ s/^merge (of|with) /Merge ... /i;
 547                                 if (length($title) > 50) {
 548                                         $title =~ s/(http|rsync):\/\///;
 549                                 }
 550                                 if (length($title) > 50) {
 551                                         $title =~ s/(master|www|rsync)\.//;
 552                                 }
 553                                 if (length($title) > 50) {
 554                                         $title =~ s/kernel.org:?//;
 555                                 }
 556                                 if (length($title) > 50) {
 557                                         $title =~ s/\/pub\/scm//;
 558                                 }
 559                         }
 560                         $co{'title_short'} = chop_str($title, 50, 5);
 561                         last;
 562                 }
 563         }
 564         # remove added spaces
 565         foreach my $line (@commit_lines) {
 566                 $line =~ s/^    //;
 567         }
 568         $co{'comment'} = \@commit_lines;
 569
 570         my $age = time - $co{'committer_epoch'};
 571         $co{'age'} = $age;
 572         $co{'age_string'} = age_string($age);
 573         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 574         if ($age > 60*60*24*7*2) {
 575                 $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 576                 $co{'age_string_age'} = $co{'age_string'};
 577         } else {
 578                 $co{'age_string_date'} = $co{'age_string'};
 579                 $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 580         }
 581         return %co;
 582 }
 583
 584 sub git_diff_print {
 585         my $from = shift;
 586         my $from_name = shift;
 587         my $to = shift;
 588         my $to_name = shift;
 589         my $format = shift || "html";
 590
 591         my $from_tmp = "/dev/null";
 592         my $to_tmp = "/dev/null";
 593         my $pid = $$;
 594
 595         # create tmp from-file
 596         if (defined $from) {
 597                 $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
 598                 open my $fd2, "> $from_tmp";
 599                 open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 600                 my @file = <$fd>;
 601                 print $fd2 @file;
 602                 close $fd2;
 603                 close $fd;
 604         }
 605
 606         # create tmp to-file
 607         if (defined $to) {
 608                 $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
 609                 open my $fd2, "> $to_tmp";
 610                 open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 611                 my @file = <$fd>;
 612                 print $fd2 @file;
 613                 close $fd2;
 614                 close $fd;
 615         }
 616
 617         open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
 618         if ($format eq "plain") {
 619                 undef $/;
 620                 print <$fd>;
 621                 $/ = "\n";
 622         } else {
 623                 while (my $line = <$fd>) {
 624                         chomp($line);
 625                         my $char = substr($line, 0, 1);
 626                         my $diff_class = "";
 627                         if ($char eq '+') {
 628                                 $diff_class = " add";
 629                         } elsif ($char eq "-") {
 630                                 $diff_class = " rem";
 631                         } elsif ($char eq "@") {
 632                                 $diff_class = " chunk_header";
 633                         } elsif ($char eq "\\") {
 634                                 # skip errors
 635                                 next;
 636                         }
 637                         while ((my $pos = index($line, "\t")) != -1) {
 638                                 if (my $count = (8 - (($pos-1) % 8))) {
 639                                         my $spaces = ' ' x $count;
 640                                         $line =~ s/\t/$spaces/;
 641                                 }
 642                         }
 643                         print "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
 644                 }
 645         }
 646         close $fd;
 647
 648         if (defined $from) {
 649                 unlink($from_tmp);
 650         }
 651         if (defined $to) {
 652                 unlink($to_tmp);
 653         }
 654 }
 655
 656 sub mode_str {
 657         my $mode = oct shift;
 658
 659         if (S_ISDIR($mode & S_IFMT)) {
 660                 return 'drwxr-xr-x';
 661         } elsif (S_ISLNK($mode)) {
 662                 return 'lrwxrwxrwx';
 663         } elsif (S_ISREG($mode)) {
 664                 # git cares only about the executable bit
 665                 if ($mode & S_IXUSR) {
 666                         return '-rwxr-xr-x';
 667                 } else {
 668                         return '-rw-r--r--';
 669                 };
 670         } else {
 671                 return '----------';
 672         }
 673 }
 674
 675 sub chop_str {
 676         my $str = shift;
 677         my $len = shift;
 678         my $add_len = shift || 10;
 679
 680         # allow only $len chars, but don't cut a word if it would fit in $add_len
 681         # if it doesn't fit, cut it if it's still longer than the dots we would add
 682         $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 683         my $body = $1;
 684         my $tail = $2;
 685         if (length($tail) > 4) {
 686                 $tail = " ...";
 687         }
 688         return "$body$tail";
 689 }
 690
 691 sub file_type {
 692         my $mode = oct shift;
 693
 694         if (S_ISDIR($mode & S_IFMT)) {
 695                 return "directory";
 696         } elsif (S_ISLNK($mode)) {
 697                 return "symlink";
 698         } elsif (S_ISREG($mode)) {
 699                 return "file";
 700         } else {
 701                 return "unknown";
 702         }
 703 }
 704
 705 sub format_log_line_html {
 706         my $line = shift;
 707
 708         $line = esc_html($line);
 709         $line =~ s/ /&nbsp;/g;
 710         if ($line =~ m/([0-9a-fA-F]{40})/) {
 711                 my $hash_text = $1;
 712                 if (git_get_type($hash_text) eq "commit") {
 713                         my $link = $cgi->a({-class => "text", -href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_text")}, $hash_text);
 714                         $line =~ s/$hash_text/$link/;
 715                 }
 716         }
 717         return $line;
 718 }
 719
 720 sub date_str {
 721         my $epoch = shift;
 722         my $tz = shift || "-0000";
 723
 724         my %date;
 725         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 726         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 727         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 728         $date{'hour'} = $hour;
 729         $date{'minute'} = $min;
 730         $date{'mday'} = $mday;
 731         $date{'day'} = $days[$wday];
 732         $date{'month'} = $months[$mon];
 733         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 734         $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 735
 736         $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 737         my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 738         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 739         $date{'hour_local'} = $hour;
 740         $date{'minute_local'} = $min;
 741         $date{'tz_local'} = $tz;
 742         return %date;
 743 }
 744
 745 # git-logo (cached in browser for one day)
 746 sub git_logo {
 747         binmode STDOUT, ':raw';
 748         print $cgi->header(-type => 'image/png', -expires => '+1d');
 749         # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 750         print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 751                 "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 752                 "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 753                 "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 754                 "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 755                 "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 756                 "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 757                 "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 758                 "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 759                 "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 760                 "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 761                 "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 762                 "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 763 }
 764
 765 sub get_file_owner {
 766         my $path = shift;
 767
 768         my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 769         my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 770         if (!defined $gcos) {
 771                 return undef;
 772         }
 773         my $owner = $gcos;
 774         $owner =~ s/[,;].*$//;
 775         return decode("utf8", $owner, Encode::FB_DEFAULT);
 776 }
 777
 778 sub git_read_projects {
 779         my @list;
 780
 781         if (-d $projects_list) {
 782                 # search in directory
 783                 my $dir = $projects_list;
 784                 opendir my $dh, $dir or return undef;
 785                 while (my $dir = readdir($dh)) {
 786                         if (-e "$projectroot/$dir/HEAD") {
 787                                 my $pr = {
 788                                         path => $dir,
 789                                 };
 790                                 push @list, $pr
 791                         }
 792                 }
 793                 closedir($dh);
 794         } elsif (-f $projects_list) {
 795                 # read from file(url-encoded):
 796                 # 'git%2Fgit.git Linus+Torvalds'
 797                 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 798                 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 799                 open my $fd , $projects_list or return undef;
 800                 while (my $line = <$fd>) {
 801                         chomp $line;
 802                         my ($path, $owner) = split ' ', $line;
 803                         $path = unescape($path);
 804                         $owner = unescape($owner);
 805                         if (!defined $path) {
 806                                 next;
 807                         }
 808                         if (-e "$projectroot/$path/HEAD") {
 809                                 my $pr = {
 810                                         path => $path,
 811                                         owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 812                                 };
 813                                 push @list, $pr
 814                         }
 815                 }
 816                 close $fd;
 817         }
 818         @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 819         return @list;
 820 }
 821
 822 sub git_get_project_config {
 823         my $key = shift;
 824
 825         return unless ($key);
 826         $key =~ s/^gitweb\.//;
 827         return if ($key =~ m/\W/);
 828
 829         my $val = qx($gitbin/git-repo-config --get gitweb.$key);
 830         return ($val);
 831 }
 832
 833 sub git_get_project_config_bool {
 834         my $val = git_get_project_config (@_);
 835         if ($val and $val =~ m/true|yes|on/) {
 836                 return (1);
 837         }
 838         return; # implicit false
 839 }
 840
 841 sub git_project_list {
 842         my @list = git_read_projects();
 843         my @projects;
 844         if (!@list) {
 845                 die_error(undef, "No project found.");
 846         }
 847         foreach my $pr (@list) {
 848                 my $head = git_read_head($pr->{'path'});
 849                 if (!defined $head) {
 850                         next;
 851                 }
 852                 $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
 853                 my %co = git_read_commit($head);
 854                 if (!%co) {
 855                         next;
 856                 }
 857                 $pr->{'commit'} = \%co;
 858                 if (!defined $pr->{'descr'}) {
 859                         my $descr = git_read_description($pr->{'path'}) || "";
 860                         $pr->{'descr'} = chop_str($descr, 25, 5);
 861                 }
 862                 if (!defined $pr->{'owner'}) {
 863                         $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
 864                 }
 865                 push @projects, $pr;
 866         }
 867         git_header_html();
 868         if (-f $home_text) {
 869                 print "<div class=\"index_include\">\n";
 870                 open (my $fd, $home_text);
 871                 print <$fd>;
 872                 close $fd;
 873                 print "</div>\n";
 874         }
 875         print "<table class=\"project_list\">\n" .
 876               "<tr>\n";
 877         if (!defined($order) || (defined($order) && ($order eq "project"))) {
 878                 @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
 879                 print "<th>Project</th>\n";
 880         } else {
 881                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=project")}, "Project") . "</th>\n";
 882         }
 883         if (defined($order) && ($order eq "descr")) {
 884                 @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
 885                 print "<th>Description</th>\n";
 886         } else {
 887                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=descr")}, "Description") . "</th>\n";
 888         }
 889         if (defined($order) && ($order eq "owner")) {
 890                 @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
 891                 print "<th>Owner</th>\n";
 892         } else {
 893                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=owner")}, "Owner") . "</th>\n";
 894         }
 895         if (defined($order) && ($order eq "age")) {
 896                 @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
 897                 print "<th>Last Change</th>\n";
 898         } else {
 899                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=age")}, "Last Change") . "</th>\n";
 900         }
 901         print "<th></th>\n" .
 902               "</tr>\n";
 903         my $alternate = 0;
 904         foreach my $pr (@projects) {
 905                 if ($alternate) {
 906                         print "<tr class=\"dark\">\n";
 907                 } else {
 908                         print "<tr class=\"light\">\n";
 909                 }
 910                 $alternate ^= 1;
 911                 print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary"), -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
 912                       "<td>$pr->{'descr'}</td>\n" .
 913                       "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
 914                 print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" . $pr->{'commit'}{'age_string'} . "</td>\n" .
 915                       "<td class=\"link\">" .
 916                       $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary")}, "summary") .
 917                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=shortlog")}, "shortlog") .
 918                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=log")}, "log") .
 919                       "</td>\n" .
 920                       "</tr>\n";
 921         }
 922         print "</table>\n";
 923         git_footer_html();
 924 }
 925
 926 sub read_info_ref {
 927         my $type = shift || "";
 928         my %refs;
 929         # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 930         # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 931         open my $fd, "$projectroot/$project/info/refs" or return;
 932         while (my $line = <$fd>) {
 933                 chomp($line);
 934                 if ($line =~ m/^([0-9a-fA-F]{40})\t.*$type\/([^\^]+)/) {
 935                         if (defined $refs{$1}) {
 936                                 $refs{$1} .= " / $2";
 937                         } else {
 938                                 $refs{$1} = $2;
 939                         }
 940                 }
 941         }
 942         close $fd or return;
 943         return \%refs;
 944 }
 945
 946 sub git_read_refs {
 947         my $ref_dir = shift;
 948         my @reflist;
 949
 950         my @refs;
 951         opendir my $dh, "$projectroot/$project/$ref_dir";
 952         while (my $dir = readdir($dh)) {
 953                 if ($dir =~ m/^\./) {
 954                         next;
 955                 }
 956                 if (-d "$projectroot/$project/$ref_dir/$dir") {
 957                         opendir my $dh2, "$projectroot/$project/$ref_dir/$dir";
 958                         my @subdirs = grep !m/^\./, readdir $dh2;
 959                         closedir($dh2);
 960                         foreach my $subdir (@subdirs) {
 961                                 push @refs, "$dir/$subdir"
 962                         }
 963                         next;
 964                 }
 965                 push @refs, $dir;
 966         }
 967         closedir($dh);
 968         foreach my $ref_file (@refs) {
 969                 my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 970                 my $type = git_get_type($ref_id) || next;
 971                 my %ref_item;
 972                 my %co;
 973                 $ref_item{'type'} = $type;
 974                 $ref_item{'id'} = $ref_id;
 975                 $ref_item{'epoch'} = 0;
 976                 $ref_item{'age'} = "unknown";
 977                 if ($type eq "tag") {
 978                         my %tag = git_read_tag($ref_id);
 979                         $ref_item{'comment'} = $tag{'comment'};
 980                         if ($tag{'type'} eq "commit") {
 981                                 %co = git_read_commit($tag{'object'});
 982                                 $ref_item{'epoch'} = $co{'committer_epoch'};
 983                                 $ref_item{'age'} = $co{'age_string'};
 984                         } elsif (defined($tag{'epoch'})) {
 985                                 my $age = time - $tag{'epoch'};
 986                                 $ref_item{'epoch'} = $tag{'epoch'};
 987                                 $ref_item{'age'} = age_string($age);
 988                         }
 989                         $ref_item{'reftype'} = $tag{'type'};
 990                         $ref_item{'name'} = $tag{'name'};
 991                         $ref_item{'refid'} = $tag{'object'};
 992                 } elsif ($type eq "commit"){
 993                         %co = git_read_commit($ref_id);
 994                         $ref_item{'reftype'} = "commit";
 995                         $ref_item{'name'} = $ref_file;
 996                         $ref_item{'title'} = $co{'title'};
 997                         $ref_item{'refid'} = $ref_id;
 998                         $ref_item{'epoch'} = $co{'committer_epoch'};
 999                         $ref_item{'age'} = $co{'age_string'};
1000                 }
1001
1002                 push @reflist, \%ref_item;
1003         }
1004         # sort tags by age
1005         @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1006         return \@reflist;
1007 }
1008
1009 sub git_summary {
1010         my $descr = git_read_description($project) || "none";
1011         my $head = git_read_head($project);
1012         my %co = git_read_commit($head);
1013         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1014
1015         my $owner;
1016         if (-f $projects_list) {
1017                 open (my $fd , $projects_list);
1018                 while (my $line = <$fd>) {
1019                         chomp $line;
1020                         my ($pr, $ow) = split ' ', $line;
1021                         $pr = unescape($pr);
1022                         $ow = unescape($ow);
1023                         if ($pr eq $project) {
1024                                 $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
1025                                 last;
1026                         }
1027                 }
1028                 close $fd;
1029         }
1030         if (!defined $owner) {
1031                 $owner = get_file_owner("$projectroot/$project");
1032         }
1033
1034         my $refs = read_info_ref();
1035         git_header_html();
1036         print "<div class=\"page_nav\">\n" .
1037               "summary".
1038               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1039               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1040               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1041               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1042               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree")}, "tree") .
1043               "<br/><br/>\n" .
1044               "</div>\n";
1045         print "<div class=\"title\">&nbsp;</div>\n";
1046         print "<table cellspacing=\"0\">\n" .
1047               "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
1048               "<tr><td>owner</td><td>$owner</td></tr>\n" .
1049               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
1050               "</table>\n";
1051         open my $fd, "-|", "$gitbin/git-rev-list --max-count=17 " . git_read_head($project) or die_error(undef, "Open failed.");
1052         my (@revlist) = map { chomp; $_ } <$fd>;
1053         close $fd;
1054         print "<div>\n" .
1055               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog"), -class => "title"}, "shortlog") .
1056               "</div>\n";
1057         my $i = 16;
1058         print "<table cellspacing=\"0\">\n";
1059         my $alternate = 0;
1060         foreach my $commit (@revlist) {
1061                 my %co = git_read_commit($commit);
1062                 my %ad = date_str($co{'author_epoch'});
1063                 if ($alternate) {
1064                         print "<tr class=\"dark\">\n";
1065                 } else {
1066                         print "<tr class=\"light\">\n";
1067                 }
1068                 $alternate ^= 1;
1069                 if ($i-- > 0) {
1070                         my $ref = "";
1071                         if (defined $refs->{$commit}) {
1072                                 $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
1073                         }
1074                         print "<td><i>$co{'age_string'}</i></td>\n" .
1075                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1076                               "<td>";
1077                         if (length($co{'title_short'}) < length($co{'title'})) {
1078                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
1079                                       "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
1080                         } else {
1081                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
1082                                       "<b>" . esc_html($co{'title'}) . "$ref</b>");
1083                         }
1084                         print "</td>\n" .
1085                               "<td class=\"link\">" .
1086                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1087                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1088                               "</td>\n" .
1089                               "</tr>";
1090                 } else {
1091                         print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "...") . "</td>\n" .
1092                         "</tr>";
1093                         last;
1094                 }
1095         }
1096         print "</table\n>";
1097
1098         my $taglist = git_read_refs("refs/tags");
1099         if (defined @$taglist) {
1100                 print "<div>\n" .
1101                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags"), -class => "title"}, "tags") .
1102                       "</div>\n";
1103                 my $i = 16;
1104                 print "<table cellspacing=\"0\">\n";
1105                 my $alternate = 0;
1106                 foreach my $entry (@$taglist) {
1107                         my %tag = %$entry;
1108                         my $comment_lines = $tag{'comment'};
1109                         my $comment = shift @$comment_lines;
1110                         if (defined($comment)) {
1111                                 $comment = chop_str($comment, 30, 5);
1112                         }
1113                         if ($alternate) {
1114                                 print "<tr class=\"dark\">\n";
1115                         } else {
1116                                 print "<tr class=\"light\">\n";
1117                         }
1118                         $alternate ^= 1;
1119                         if ($i-- > 0) {
1120                                 print "<td><i>$tag{'age'}</i></td>\n" .
1121                                       "<td>" .
1122                                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1123                                       "<b>" . esc_html($tag{'name'}) . "</b>") .
1124                                       "</td>\n" .
1125                                       "<td>";
1126                                 if (defined($comment)) {
1127                                       print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
1128                                 }
1129                                 print "</td>\n" .
1130                                       "<td class=\"link\">";
1131                                 if ($tag{'type'} eq "tag") {
1132                                       print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1133                                 }
1134                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1135                                 if ($tag{'reftype'} eq "commit") {
1136                                       print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1137                                             " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1138                                 }
1139                                 print "</td>\n" .
1140                                       "</tr>";
1141                         } else {
1142                                 print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags")}, "...") . "</td>\n" .
1143                                 "</tr>";
1144                                 last;
1145                         }
1146                 }
1147                 print "</table\n>";
1148         }
1149
1150         my $headlist = git_read_refs("refs/heads");
1151         if (defined @$headlist) {
1152                 print "<div>\n" .
1153                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads"), -class => "title"}, "heads") .
1154                       "</div>\n";
1155                 my $i = 16;
1156                 print "<table cellspacing=\"0\">\n";
1157                 my $alternate = 0;
1158                 foreach my $entry (@$headlist) {
1159                         my %tag = %$entry;
1160                         if ($alternate) {
1161                                 print "<tr class=\"dark\">\n";
1162                         } else {
1163                                 print "<tr class=\"light\">\n";
1164                         }
1165                         $alternate ^= 1;
1166                         if ($i-- > 0) {
1167                                 print "<td><i>$tag{'age'}</i></td>\n" .
1168                                       "<td>" .
1169                                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"},
1170                                       "<b>" . esc_html($tag{'name'}) . "</b>") .
1171                                       "</td>\n" .
1172                                       "<td class=\"link\">" .
1173                                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1174                                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1175                                       "</td>\n" .
1176                                       "</tr>";
1177                         } else {
1178                                 print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads")}, "...") . "</td>\n" .
1179                                 "</tr>";
1180                                 last;
1181                         }
1182                 }
1183                 print "</table\n>";
1184         }
1185         git_footer_html();
1186 }
1187
1188 sub git_tag {
1189         my $head = git_read_head($project);
1190         git_header_html();
1191         print "<div class=\"page_nav\">\n" .
1192               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1193               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1194               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1195               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1196               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1197               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1198               "<br/>\n" .
1199               "</div>\n";
1200         my %tag = git_read_tag($hash);
1201         print "<div>\n" .
1202               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($tag{'name'})) . "\n" .
1203               "</div>\n";
1204         print "<div class=\"title_text\">\n" .
1205               "<table cellspacing=\"0\">\n" .
1206               "<tr>\n" .
1207               "<td>object</td>\n" .
1208               "<td>" . $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'object'}) . "</td>\n" .
1209               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'type'}) . "</td>\n" .
1210               "</tr>\n";
1211         if (defined($tag{'author'})) {
1212                 my %ad = date_str($tag{'epoch'}, $tag{'tz'});
1213                 print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
1214                 print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1215         }
1216         print "</table>\n\n" .
1217               "</div>\n";
1218         print "<div class=\"page_body\">";
1219         my $comment = $tag{'comment'};
1220         foreach my $line (@$comment) {
1221                 print esc_html($line) . "<br/>\n";
1222         }
1223         print "</div>\n";
1224         git_footer_html();
1225 }
1226
1227 sub git_blame {
1228         my $fd;
1229         die_error('403 Permission denied', "Permission denied.") if (!git_get_project_config_bool ('blame'));
1230         die_error('404 Not Found', "What file will it be, master?") if (!$file_name);
1231         $hash_base ||= git_read_head($project);
1232         die_error(undef, "Reading commit failed.") unless ($hash_base);
1233         my %co = git_read_commit($hash_base)
1234                 or die_error(undef, "Reading commit failed.");
1235         if (!defined $hash) {
1236                 $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1237                         or die_error(undef, "Error lookup file.");
1238         }
1239         open ($fd, "-|", "$gitbin/git-annotate", '-l', '-t', '-r', $file_name, $hash_base)
1240                 or die_error(undef, "Open failed.");
1241         git_header_html();
1242         print "<div class=\"page_nav\">\n" .
1243                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1244                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1245                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1246                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1247                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1248                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
1249         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1250                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head") . "<br/>\n";
1251         print "</div>\n".
1252                 "<div>" .
1253                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1254                 "</div>\n";
1255         print "<div class=\"page_path\"><b>" . esc_html($file_name) . "</b></div>\n";
1256         print "<div class=\"page_body\">\n";
1257         print <<HTML;
1258 <table class="blame">
1259   <tr>
1260     <th>Commit</th>
1261     <th>Age</th>
1262     <th>Author</th>
1263     <th>Line</th>
1264     <th>Data</th>
1265   </tr>
1266 HTML
1267         my @line_class = (qw(light dark));
1268         my $line_class_len = scalar (@line_class);
1269         my $line_class_num = $#line_class;
1270         while (my $line = <$fd>) {
1271                 my $long_rev;
1272                 my $short_rev;
1273                 my $author;
1274                 my $time;
1275                 my $lineno;
1276                 my $data;
1277                 my $age;
1278                 my $age_str;
1279                 my $age_class;
1280
1281                 chomp $line;
1282                 $line_class_num = ($line_class_num + 1) % $line_class_len;
1283
1284                 if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
1285                         $long_rev = $1;
1286                         $author   = $2;
1287                         $time     = $3;
1288                         $lineno   = $4;
1289                         $data     = $5;
1290                 } else {
1291                         print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
1292                         next;
1293                 }
1294                 $short_rev  = substr ($long_rev, 0, 8);
1295                 $age        = time () - $time;
1296                 $age_str    = age_string ($age);
1297                 $age_str    =~ s/ /&nbsp;/g;
1298                 $age_class  = age_class($age);
1299                 $author     = esc_html ($author);
1300                 $author     =~ s/ /&nbsp;/g;
1301                 # escape tabs
1302                 while ((my $pos = index($data, "\t")) != -1) {
1303                         if (my $count = (8 - ($pos % 8))) {
1304                                 my $spaces = ' ' x $count;
1305                                 $data =~ s/\t/$spaces/;
1306                         }
1307                 }
1308                 $data = esc_html ($data);
1309
1310                 print <<HTML;
1311   <tr class="$line_class[$line_class_num]">
1312     <td class="sha1"><a href="$my_uri?${\esc_param ("p=$project;a=commit;h=$long_rev")}" class="text">$short_rev..</a></td>
1313     <td class="$age_class">$age_str</td>
1314     <td>$author</td>
1315     <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
1316     <td class="pre">$data</td>
1317   </tr>
1318 HTML
1319         } # while (my $line = <$fd>)
1320         print "</table>\n\n";
1321         close $fd or print "Reading blob failed.\n";
1322         print "</div>";
1323         git_footer_html();
1324 }
1325
1326 sub git_tags {
1327         my $head = git_read_head($project);
1328         git_header_html();
1329         print "<div class=\"page_nav\">\n" .
1330               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1331               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1332               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1333               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1334               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1335               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1336               "<br/>\n" .
1337               "</div>\n";
1338         my $taglist = git_read_refs("refs/tags");
1339         print "<div>\n" .
1340               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1341               "</div>\n";
1342         print "<table cellspacing=\"0\">\n";
1343         my $alternate = 0;
1344         if (defined @$taglist) {
1345                 foreach my $entry (@$taglist) {
1346                         my %tag = %$entry;
1347                         my $comment_lines = $tag{'comment'};
1348                         my $comment = shift @$comment_lines;
1349                         if (defined($comment)) {
1350                                 $comment = chop_str($comment, 30, 5);
1351                         }
1352                         if ($alternate) {
1353                                 print "<tr class=\"dark\">\n";
1354                         } else {
1355                                 print "<tr class=\"light\">\n";
1356                         }
1357                         $alternate ^= 1;
1358                         print "<td><i>$tag{'age'}</i></td>\n" .
1359                               "<td>" .
1360                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1361                               "<b>" . esc_html($tag{'name'}) . "</b>") .
1362                               "</td>\n" .
1363                               "<td>";
1364                         if (defined($comment)) {
1365                               print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
1366                         }
1367                         print "</td>\n" .
1368                               "<td class=\"link\">";
1369                         if ($tag{'type'} eq "tag") {
1370                               print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1371                         }
1372                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1373                         if ($tag{'reftype'} eq "commit") {
1374                               print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1375                                     " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1376                         }
1377                         print "</td>\n" .
1378                               "</tr>";
1379                 }
1380         }
1381         print "</table\n>";
1382         git_footer_html();
1383 }
1384
1385 sub git_heads {
1386         my $head = git_read_head($project);
1387         git_header_html();
1388         print "<div class=\"page_nav\">\n" .
1389               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1390               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1391               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1392               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1393               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1394               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1395               "<br/>\n" .
1396               "</div>\n";
1397         my $taglist = git_read_refs("refs/heads");
1398         print "<div>\n" .
1399               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1400               "</div>\n";
1401         print "<table cellspacing=\"0\">\n";
1402         my $alternate = 0;
1403         if (defined @$taglist) {
1404                 foreach my $entry (@$taglist) {
1405                         my %tag = %$entry;
1406                         if ($alternate) {
1407                                 print "<tr class=\"dark\">\n";
1408                         } else {
1409                                 print "<tr class=\"light\">\n";
1410                         }
1411                         $alternate ^= 1;
1412                         print "<td><i>$tag{'age'}</i></td>\n" .
1413                               "<td>" .
1414                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1415                               "</td>\n" .
1416                               "<td class=\"link\">" .
1417                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1418                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1419                               "</td>\n" .
1420                               "</tr>";
1421                 }
1422         }
1423         print "</table\n>";
1424         git_footer_html();
1425 }
1426
1427 sub git_get_hash_by_path {
1428         my $base = shift;
1429         my $path = shift || return undef;
1430
1431         my $tree = $base;
1432         my @parts = split '/', $path;
1433         while (my $part = shift @parts) {
1434                 open my $fd, "-|", "$gitbin/git-ls-tree $tree" or die_error(undef, "Open git-ls-tree failed.");
1435                 my (@entries) = map { chomp; $_ } <$fd>;
1436                 close $fd or return undef;
1437                 foreach my $line (@entries) {
1438                         #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1439                         $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1440                         my $t_mode = $1;
1441                         my $t_type = $2;
1442                         my $t_hash = $3;
1443                         my $t_name = validate_input(unquote($4));
1444                         if ($t_name eq $part) {
1445                                 if (!(@parts)) {
1446                                         return $t_hash;
1447                                 }
1448                                 if ($t_type eq "tree") {
1449                                         $tree = $t_hash;
1450                                 }
1451                                 last;
1452                         }
1453                 }
1454         }
1455 }
1456
1457 sub git_blob {
1458         if (!defined $hash && defined $file_name) {
1459                 my $base = $hash_base || git_read_head($project);
1460                 $hash = git_get_hash_by_path($base, $file_name, "blob") || die_error(undef, "Error lookup file.");
1461         }
1462         my $have_blame = git_get_project_config_bool ('blame');
1463         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or die_error(undef, "Open failed.");
1464         git_header_html();
1465         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1466                 print "<div class=\"page_nav\">\n" .
1467                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1468                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1469                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1470                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1471                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1472                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
1473                 if (defined $file_name) {
1474                         if ($have_blame) {
1475                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$hash;hb=$hash_base;f=$file_name")}, "blame") .  " | ";
1476                         }
1477                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") .
1478                         " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=HEAD;f=$file_name")}, "head") . "<br/>\n";
1479                 } else {
1480                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash")}, "plain") . "<br/>\n";
1481                 }
1482                 print "</div>\n".
1483                        "<div>" .
1484                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1485                       "</div>\n";
1486         } else {
1487                 print "<div class=\"page_nav\">\n" .
1488                       "<br/><br/></div>\n" .
1489                       "<div class=\"title\">$hash</div>\n";
1490         }
1491         if (defined $file_name) {
1492                 print "<div class=\"page_path\"><b>" . esc_html($file_name) . "</b></div>\n";
1493         }
1494         print "<div class=\"page_body\">\n";
1495         my $nr;
1496         while (my $line = <$fd>) {
1497                 chomp $line;
1498                 $nr++;
1499                 while ((my $pos = index($line, "\t")) != -1) {
1500                         if (my $count = (8 - ($pos % 8))) {
1501                                 my $spaces = ' ' x $count;
1502                                 $line =~ s/\t/$spaces/;
1503                         }
1504                 }
1505                 printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
1506         }
1507         close $fd or print "Reading blob failed.\n";
1508         print "</div>";
1509         git_footer_html();
1510 }
1511
1512 sub mimetype_guess_file {
1513         my $filename = shift;
1514         my $mimemap = shift;
1515         -r $mimemap or return undef;
1516
1517         my %mimemap;
1518         open(MIME, $mimemap) or return undef;
1519         while (<MIME>) {
1520                 my ($mime, $exts) = split(/\t+/);
1521                 my @exts = split(/\s+/, $exts);
1522                 foreach my $ext (@exts) {
1523                         $mimemap{$ext} = $mime;
1524                 }
1525         }
1526         close(MIME);
1527
1528         $filename =~ /\.(.*?)$/;
1529         return $mimemap{$1};
1530 }
1531
1532 sub mimetype_guess {
1533         my $filename = shift;
1534         my $mime;
1535         $filename =~ /\./ or return undef;
1536
1537         if ($mimetypes_file) {
1538                 my $file = $mimetypes_file;
1539                 #$file =~ m#^/# or $file = "$projectroot/$path/$file";
1540                 $mime = mimetype_guess_file($filename, $file);
1541         }
1542         $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1543         return $mime;
1544 }
1545
1546 sub git_blob_plain_mimetype {
1547         my $fd = shift;
1548         my $filename = shift;
1549
1550         # just in case
1551         return $default_blob_plain_mimetype unless $fd;
1552
1553         if ($filename) {
1554                 my $mime = mimetype_guess($filename);
1555                 $mime and return $mime;
1556         }
1557
1558         if (-T $fd) {
1559                 return 'text/plain' .
1560                        ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1561         } elsif (! $filename) {
1562                 return 'application/octet-stream';
1563         } elsif ($filename =~ m/\.png$/i) {
1564                 return 'image/png';
1565         } elsif ($filename =~ m/\.gif$/i) {
1566                 return 'image/gif';
1567         } elsif ($filename =~ m/\.jpe?g$/i) {
1568                 return 'image/jpeg';
1569         } else {
1570                 return 'application/octet-stream';
1571         }
1572 }
1573
1574 sub git_blob_plain {
1575         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or return;
1576         my $type = git_blob_plain_mimetype($fd, $file_name);
1577
1578         # save as filename, even when no $file_name is given
1579         my $save_as = "$hash";
1580         if (defined $file_name) {
1581                 $save_as = $file_name;
1582         } elsif ($type =~ m/^text\//) {
1583                 $save_as .= '.txt';
1584         }
1585
1586         print $cgi->header(-type => "$type", '-content-disposition' => "inline; filename=\"$save_as\"");
1587         undef $/;
1588         binmode STDOUT, ':raw';
1589         print <$fd>;
1590         binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
1591         $/ = "\n";
1592         close $fd;
1593 }
1594
1595 sub git_tree {
1596         if (!defined $hash) {
1597                 $hash = git_read_head($project);
1598                 if (defined $file_name) {
1599                         my $base = $hash_base || $hash;
1600                         $hash = git_get_hash_by_path($base, $file_name, "tree");
1601                 }
1602                 if (!defined $hash_base) {
1603                         $hash_base = $hash;
1604                 }
1605         }
1606         $/ = "\0";
1607         open my $fd, "-|", "$gitbin/git-ls-tree -z $hash" or die_error(undef, "Open git-ls-tree failed.");
1608         chomp (my (@entries) = <$fd>);
1609         close $fd or die_error(undef, "Reading tree failed.");
1610         $/ = "\n";
1611
1612         my $refs = read_info_ref();
1613         my $ref = "";
1614         if (defined $refs->{$hash_base}) {
1615                 $ref = " <span class=\"tag\">" . esc_html($refs->{$hash_base}) . "</span>";
1616         }
1617         git_header_html();
1618         my $base_key = "";
1619         my $base = "";
1620         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1621                 $base_key = ";hb=$hash_base";
1622                 print "<div class=\"page_nav\">\n" .
1623                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1624                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash_base")}, "shortlog") .
1625                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash_base")}, "log") .
1626                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1627                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1628                       " | tree" .
1629                       "<br/><br/>\n" .
1630                       "</div>\n";
1631                 print "<div>\n" .
1632                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
1633                       "</div>\n";
1634         } else {
1635                 print "<div class=\"page_nav\">\n";
1636                 print "<br/><br/></div>\n";
1637                 print "<div class=\"title\">$hash</div>\n";
1638         }
1639         if (defined $file_name) {
1640                 $base = esc_html("$file_name/");
1641                 print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b></div>\n";
1642         } else {
1643                 print "<div class=\"page_path\"><b>/</b></div>\n";
1644         }
1645         print "<div class=\"page_body\">\n";
1646         print "<table cellspacing=\"0\">\n";
1647         my $alternate = 0;
1648         foreach my $line (@entries) {
1649                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1650                 $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1651                 my $t_mode = $1;
1652                 my $t_type = $2;
1653                 my $t_hash = $3;
1654                 my $t_name = validate_input($4);
1655                 if ($alternate) {
1656                         print "<tr class=\"dark\">\n";
1657                 } else {
1658                         print "<tr class=\"light\">\n";
1659                 }
1660                 $alternate ^= 1;
1661                 print "<td class=\"mode\">" . mode_str($t_mode) . "</td>\n";
1662                 if ($t_type eq "blob") {
1663                         print "<td class=\"list\">" .
1664                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name"), -class => "list"}, esc_html($t_name)) .
1665                               "</td>\n" .
1666                               "<td class=\"link\">" .
1667                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name")}, "blob") .
1668 #                             " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$t_hash$base_key;f=$base$t_name")}, "blame") .
1669                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash_base;f=$base$t_name")}, "history") .
1670                               "</td>\n";
1671                 } elsif ($t_type eq "tree") {
1672                         print "<td class=\"list\">" .
1673                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, esc_html($t_name)) .
1674                               "</td>\n" .
1675                               "<td class=\"link\">" .
1676                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, "tree") .
1677                               "</td>\n";
1678                 }
1679                 print "</tr>\n";
1680         }
1681         print "</table>\n" .
1682               "</div>";
1683         git_footer_html();
1684 }
1685
1686 sub git_rss {
1687         # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
1688         open my $fd, "-|", "$gitbin/git-rev-list --max-count=150 " . git_read_head($project) or die_error(undef, "Open failed.");
1689         my (@revlist) = map { chomp; $_ } <$fd>;
1690         close $fd or die_error(undef, "Reading rev-list failed.");
1691         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1692         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1693               "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
1694         print "<channel>\n";
1695         print "<title>$project</title>\n".
1696               "<link>" . esc_html("$my_url?p=$project;a=summary") . "</link>\n".
1697               "<description>$project log</description>\n".
1698               "<language>en</language>\n";
1699
1700         for (my $i = 0; $i <= $#revlist; $i++) {
1701                 my $commit = $revlist[$i];
1702                 my %co = git_read_commit($commit);
1703                 # we read 150, we always show 30 and the ones more recent than 48 hours
1704                 if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
1705                         last;
1706                 }
1707                 my %cd = date_str($co{'committer_epoch'});
1708                 open $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $co{'id'}" or next;
1709                 my @difftree = map { chomp; $_ } <$fd>;
1710                 close $fd or next;
1711                 print "<item>\n" .
1712                       "<title>" .
1713                       sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
1714                       "</title>\n" .
1715                       "<author>" . esc_html($co{'author'}) . "</author>\n" .
1716                       "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
1717                       "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
1718                       "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
1719                       "<description>" . esc_html($co{'title'}) . "</description>\n" .
1720                       "<content:encoded>" .
1721                       "<![CDATA[\n";
1722                 my $comment = $co{'comment'};
1723                 foreach my $line (@$comment) {
1724                         $line = decode("utf8", $line, Encode::FB_DEFAULT);
1725                         print "$line<br/>\n";
1726                 }
1727                 print "<br/>\n";
1728                 foreach my $line (@difftree) {
1729                         if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1730                                 next;
1731                         }
1732                         my $file = validate_input(unquote($7));
1733                         $file = decode("utf8", $file, Encode::FB_DEFAULT);
1734                         print "$file<br/>\n";
1735                 }
1736                 print "]]>\n" .
1737                       "</content:encoded>\n" .
1738                       "</item>\n";
1739         }
1740         print "</channel></rss>";
1741 }
1742
1743 sub git_opml {
1744         my @list = git_read_projects();
1745
1746         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1747         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1748               "<opml version=\"1.0\">\n".
1749               "<head>".
1750               "  <title>Git OPML Export</title>\n".
1751               "</head>\n".
1752               "<body>\n".
1753               "<outline text=\"git RSS feeds\">\n";
1754
1755         foreach my $pr (@list) {
1756                 my %proj = %$pr;
1757                 my $head = git_read_head($proj{'path'});
1758                 if (!defined $head) {
1759                         next;
1760                 }
1761                 $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
1762                 my %co = git_read_commit($head);
1763                 if (!%co) {
1764                         next;
1765                 }
1766
1767                 my $path = esc_html(chop_str($proj{'path'}, 25, 5));
1768                 my $rss =  "$my_url?p=$proj{'path'};a=rss";
1769                 my $html =  "$my_url?p=$proj{'path'};a=summary";
1770                 print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
1771         }
1772         print "</outline>\n".
1773               "</body>\n".
1774               "</opml>\n";
1775 }
1776
1777 sub git_log {
1778         my $head = git_read_head($project);
1779         if (!defined $hash) {
1780                 $hash = $head;
1781         }
1782         if (!defined $page) {
1783                 $page = 0;
1784         }
1785         my $refs = read_info_ref();
1786         git_header_html();
1787         print "<div class=\"page_nav\">\n";
1788         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1789               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
1790               " | log" .
1791               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
1792               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
1793               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
1794
1795         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1796         open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
1797         my (@revlist) = map { chomp; $_ } <$fd>;
1798         close $fd;
1799
1800         if ($hash ne $head || $page) {
1801                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "HEAD");
1802         } else {
1803                 print "HEAD";
1804         }
1805         if ($page > 0) {
1806                 print " &sdot; " .
1807                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
1808         } else {
1809                 print " &sdot; prev";
1810         }
1811         if ($#revlist >= (100 * ($page+1)-1)) {
1812                 print " &sdot; " .
1813                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
1814         } else {
1815                 print " &sdot; next";
1816         }
1817         print "<br/>\n" .
1818               "</div>\n";
1819         if (!@revlist) {
1820                 print "<div>\n" .
1821                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1822                       "</div>\n";
1823                 my %co = git_read_commit($hash);
1824                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1825         }
1826         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1827                 my $commit = $revlist[$i];
1828                 my $ref = "";
1829                 if (defined $refs->{$commit}) {
1830                         $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
1831                 }
1832                 my %co = git_read_commit($commit);
1833                 next if !%co;
1834                 my %ad = date_str($co{'author_epoch'});
1835                 print "<div>\n" .
1836                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "title"},
1837                       "<span class=\"age\">$co{'age_string'}</span>" . esc_html($co{'title'}) . $ref) . "\n";
1838                 print "</div>\n";
1839                 print "<div class=\"title_text\">\n" .
1840                       "<div class=\"log_link\">\n" .
1841                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1842                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1843                       "<br/>\n" .
1844                       "</div>\n" .
1845                       "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1846                       "</div>\n" .
1847                       "<div class=\"log_body\">\n";
1848                 my $comment = $co{'comment'};
1849                 my $empty = 0;
1850                 foreach my $line (@$comment) {
1851                         if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1852                                 next;
1853                         }
1854                         if ($line eq "") {
1855                                 if ($empty) {
1856                                         next;
1857                                 }
1858                                 $empty = 1;
1859                         } else {
1860                                 $empty = 0;
1861                         }
1862                         print format_log_line_html($line) . "<br/>\n";
1863                 }
1864                 if (!$empty) {
1865                         print "<br/>\n";
1866                 }
1867                 print "</div>\n";
1868         }
1869         git_footer_html();
1870 }
1871
1872 sub git_commit {
1873         my %co = git_read_commit($hash);
1874         if (!%co) {
1875                 die_error(undef, "Unknown commit object.");
1876         }
1877         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1878         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1879
1880         my @difftree;
1881         my $root = "";
1882         my $parent = $co{'parent'};
1883         if (!defined $parent) {
1884                 $root = " --root";
1885                 $parent = "";
1886         }
1887         open my $fd, "-|", "$gitbin/git-diff-tree -r -M $root $parent $hash" or die_error(undef, "Open failed.");
1888         @difftree = map { chomp; $_ } <$fd>;
1889         close $fd or die_error(undef, "Reading diff-tree failed.");
1890
1891         # non-textual hash id's can be cached
1892         my $expires;
1893         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1894                 $expires = "+1d";
1895         }
1896         my $refs = read_info_ref();
1897         my $ref = "";
1898         if (defined $refs->{$co{'id'}}) {
1899                 $ref = " <span class=\"tag\">" . esc_html($refs->{$co{'id'}}) . "</span>";
1900         }
1901         git_header_html(undef, $expires);
1902         print "<div class=\"page_nav\">\n" .
1903               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1904               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
1905               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
1906               " | commit";
1907         if (defined $co{'parent'}) {
1908                 print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff");
1909         }
1910         print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "\n" .
1911               "<br/><br/></div>\n";
1912         if (defined $co{'parent'}) {
1913                 print "<div>\n" .
1914                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
1915                       "</div>\n";
1916         } else {
1917                 print "<div>\n" .
1918                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1919                       "</div>\n";
1920         }
1921         print "<div class=\"title_text\">\n" .
1922               "<table cellspacing=\"0\">\n";
1923         print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
1924               "<tr>" .
1925               "<td></td><td> $ad{'rfc2822'}";
1926         if ($ad{'hour_local'} < 6) {
1927                 printf(" (<span class=\"atnight\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1928         } else {
1929                 printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1930         }
1931         print "</td>" .
1932               "</tr>\n";
1933         print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
1934         print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1935         print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
1936         print "<tr>" .
1937               "<td>tree</td>" .
1938               "<td class=\"sha1\">" .
1939               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), class => "list"}, $co{'tree'}) .
1940               "</td>" .
1941               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
1942               "</td>" .
1943               "</tr>\n";
1944         my $parents  = $co{'parents'};
1945         foreach my $par (@$parents) {
1946                 print "<tr>" .
1947                       "<td>parent</td>" .
1948                       "<td class=\"sha1\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par"), class => "list"}, $par) . "</td>" .
1949                       "<td class=\"link\">" .
1950                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par")}, "commit") .
1951                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash;hp=$par")}, "commitdiff") .
1952                       "</td>" .
1953                       "</tr>\n";
1954         }
1955         print "</table>".
1956               "</div>\n";
1957         print "<div class=\"page_body\">\n";
1958         my $comment = $co{'comment'};
1959         my $empty = 0;
1960         my $signed = 0;
1961         foreach my $line (@$comment) {
1962                 # print only one empty line
1963                 if ($line eq "") {
1964                         if ($empty || $signed) {
1965                                 next;
1966                         }
1967                         $empty = 1;
1968                 } else {
1969                         $empty = 0;
1970                 }
1971                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1972                         $signed = 1;
1973                         print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1974                 } else {
1975                         $signed = 0;
1976                         print format_log_line_html($line) . "<br/>\n";
1977                 }
1978         }
1979         print "</div>\n";
1980         print "<div class=\"list_head\">\n";
1981         if ($#difftree > 10) {
1982                 print(($#difftree + 1) . " files changed:\n");
1983         }
1984         print "</div>\n";
1985         print "<table class=\"diff_tree\">\n";
1986         my $alternate = 0;
1987         foreach my $line (@difftree) {
1988                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1989                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1990                 if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1991                         next;
1992                 }
1993                 my $from_mode = $1;
1994                 my $to_mode = $2;
1995                 my $from_id = $3;
1996                 my $to_id = $4;
1997                 my $status = $5;
1998                 my $similarity = $6;
1999                 my $file = validate_input(unquote($7));
2000                 if ($alternate) {
2001                         print "<tr class=\"dark\">\n";
2002                 } else {
2003                         print "<tr class=\"light\">\n";
2004                 }
2005                 $alternate ^= 1;
2006                 if ($status eq "A") {
2007                         my $mode_chng = "";
2008                         if (S_ISREG(oct $to_mode)) {
2009                                 $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
2010                         }
2011                         print "<td>" .
2012                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2013                               "<td><span class=\"file_status new\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
2014                               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob") . "</td>\n";
2015                 } elsif ($status eq "D") {
2016                         print "<td>" .
2017                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2018                               "<td><span class=\"file_status deleted\">[deleted " . file_type($from_mode). "]</span></td>\n" .
2019                               "<td class=\"link\">" .
2020                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, "blob") .
2021                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash;f=$file")}, "history") .
2022                               "</td>\n"
2023                 } elsif ($status eq "M" || $status eq "T") {
2024                         my $mode_chnge = "";
2025                         if ($from_mode != $to_mode) {
2026                                 $mode_chnge = " <span class=\"file_status mode_chnge\">[changed";
2027                                 if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
2028                                         $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
2029                                 }
2030                                 if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
2031                                         if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
2032                                                 $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
2033                                         } elsif (S_ISREG($to_mode)) {
2034                                                 $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
2035                                         }
2036                                 }
2037                                 $mode_chnge .= "]</span>\n";
2038                         }
2039                         print "<td>";
2040                         if ($to_id ne $from_id) {
2041                                 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));
2042                         } else {
2043                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
2044                         }
2045                         print "</td>\n" .
2046                               "<td>$mode_chnge</td>\n" .
2047                               "<td class=\"link\">";
2048                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob");
2049                         if ($to_id ne $from_id) {
2050                                 print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file")}, "diff");
2051                         }
2052                         print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash;f=$file")}, "history") . "\n";
2053                         print "</td>\n";
2054                 } elsif ($status eq "R") {
2055                         my ($from_file, $to_file) = split "\t", $file;
2056                         my $mode_chng = "";
2057                         if ($from_mode != $to_mode) {
2058                                 $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
2059                         }
2060                         print "<td>" .
2061                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"), -class => "list"}, esc_html($to_file)) . "</td>\n" .
2062                               "<td><span class=\"file_status moved\">[moved from " .
2063                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$from_file"), -class => "list"}, esc_html($from_file)) .
2064                               " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
2065                               "<td class=\"link\">" .
2066                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file")}, "blob");
2067                         if ($to_id ne $from_id) {
2068                                 print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file")}, "diff");
2069                         }
2070                         print "</td>\n";
2071                 }
2072                 print "</tr>\n";
2073         }
2074         print "</table>\n";
2075         git_footer_html();
2076 }
2077
2078 sub git_blobdiff {
2079         mkdir($git_temp, 0700);
2080         git_header_html();
2081         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
2082                 print "<div class=\"page_nav\">\n" .
2083                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2084                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2085                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
2086                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
2087                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
2088                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") .
2089                       "<br/>\n";
2090                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent")}, "plain") .
2091                       "</div>\n";
2092                 print "<div>\n" .
2093                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2094                       "</div>\n";
2095         } else {
2096                 print "<div class=\"page_nav\">\n" .
2097                       "<br/><br/></div>\n" .
2098                       "<div class=\"title\">$hash vs $hash_parent</div>\n";
2099         }
2100         if (defined $file_name) {
2101                 print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b></div>\n";
2102         }
2103         print "<div class=\"page_body\">\n" .
2104               "<div class=\"diff_info\">blob:" .
2105               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name")}, $hash_parent) .
2106               " -> blob:" .
2107               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, $hash) .
2108               "</div>\n";
2109         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2110         print "</div>";
2111         git_footer_html();
2112 }
2113
2114 sub git_blobdiff_plain {
2115         mkdir($git_temp, 0700);
2116         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2117         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2118 }
2119
2120 sub git_commitdiff {
2121         mkdir($git_temp, 0700);
2122         my %co = git_read_commit($hash);
2123         if (!%co) {
2124                 die_error(undef, "Unknown commit object.");
2125         }
2126         if (!defined $hash_parent) {
2127                 $hash_parent = $co{'parent'};
2128         }
2129         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
2130         my (@difftree) = map { chomp; $_ } <$fd>;
2131         close $fd or die_error(undef, "Reading diff-tree failed.");
2132
2133         # non-textual hash id's can be cached
2134         my $expires;
2135         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2136                 $expires = "+1d";
2137         }
2138         my $refs = read_info_ref();
2139         my $ref = "";
2140         if (defined $refs->{$co{'id'}}) {
2141                 $ref = " <span class=\"tag\">" . esc_html($refs->{$co{'id'}}) . "</span>";
2142         }
2143         git_header_html(undef, $expires);
2144         print "<div class=\"page_nav\">\n" .
2145               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2146               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
2147               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2148               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2149               " | commitdiff" .
2150               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "<br/>\n";
2151         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent")}, "plain") . "\n" .
2152               "</div>\n";
2153         print "<div>\n" .
2154               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
2155               "</div>\n";
2156         print "<div class=\"page_body\">\n";
2157         my $comment = $co{'comment'};
2158         my $empty = 0;
2159         my $signed = 0;
2160         my @log = @$comment;
2161         # remove first and empty lines after that
2162         shift @log;
2163         while (defined $log[0] && $log[0] eq "") {
2164                 shift @log;
2165         }
2166         foreach my $line (@log) {
2167                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
2168                         next;
2169                 }
2170                 if ($line eq "") {
2171                         if ($empty) {
2172                                 next;
2173                         }
2174                         $empty = 1;
2175                 } else {
2176                         $empty = 0;
2177                 }
2178                 print format_log_line_html($line) . "<br/>\n";
2179         }
2180         print "<br/>\n";
2181         foreach my $line (@difftree) {
2182                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2183                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2184                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2185                 my $from_mode = $1;
2186                 my $to_mode = $2;
2187                 my $from_id = $3;
2188                 my $to_id = $4;
2189                 my $status = $5;
2190                 my $file = validate_input(unquote($6));
2191                 if ($status eq "A") {
2192                         print "<div class=\"diff_info\">" .  file_type($to_mode) . ":" .
2193                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id) . "(new)" .
2194                               "</div>\n";
2195                         git_diff_print(undef, "/dev/null", $to_id, "b/$file");
2196                 } elsif ($status eq "D") {
2197                         print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
2198                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) . "(deleted)" .
2199                               "</div>\n";
2200                         git_diff_print($from_id, "a/$file", undef, "/dev/null");
2201                 } elsif ($status eq "M") {
2202                         if ($from_id ne $to_id) {
2203                                 print "<div class=\"diff_info\">" .
2204                                       file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) .
2205                                       " -> " .
2206                                       file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id);
2207                                 print "</div>\n";
2208                                 git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
2209                         }
2210                 }
2211         }
2212         print "<br/>\n" .
2213               "</div>";
2214         git_footer_html();
2215 }
2216
2217 sub git_commitdiff_plain {
2218         mkdir($git_temp, 0700);
2219         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
2220         my (@difftree) = map { chomp; $_ } <$fd>;
2221         close $fd or die_error(undef, "Reading diff-tree failed.");
2222
2223         # try to figure out the next tag after this commit
2224         my $tagname;
2225         my $refs = read_info_ref("tags");
2226         open $fd, "-|", "$gitbin/git-rev-list HEAD";
2227         chomp (my (@commits) = <$fd>);
2228         close $fd;
2229         foreach my $commit (@commits) {
2230                 if (defined $refs->{$commit}) {
2231                         $tagname = $refs->{$commit}
2232                 }
2233                 if ($commit eq $hash) {
2234                         last;
2235                 }
2236         }
2237
2238         print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"git-$hash.patch\"");
2239         my %co = git_read_commit($hash);
2240         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
2241         my $comment = $co{'comment'};
2242         print "From: $co{'author'}\n" .
2243               "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
2244               "Subject: $co{'title'}\n";
2245         if (defined $tagname) {
2246               print "X-Git-Tag: $tagname\n";
2247         }
2248         print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
2249               "\n";
2250
2251         foreach my $line (@$comment) {;
2252                 print "$line\n";
2253         }
2254         print "---\n\n";
2255
2256         foreach my $line (@difftree) {
2257                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2258                 my $from_id = $3;
2259                 my $to_id = $4;
2260                 my $status = $5;
2261                 my $file = $6;
2262                 if ($status eq "A") {
2263                         git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
2264                 } elsif ($status eq "D") {
2265                         git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
2266                 } elsif ($status eq "M") {
2267                         git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
2268                 }
2269         }
2270 }
2271
2272 sub git_history {
2273         if (!defined $hash) {
2274                 $hash = git_read_head($project);
2275         }
2276         my %co = git_read_commit($hash);
2277         if (!%co) {
2278                 die_error(undef, "Unknown commit object.");
2279         }
2280         my $refs = read_info_ref();
2281         git_header_html();
2282         print "<div class=\"page_nav\">\n" .
2283               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2284               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2285               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
2286               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2287               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2288               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2289               "<br/><br/>\n" .
2290               "</div>\n";
2291         print "<div>\n" .
2292               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2293               "</div>\n";
2294         print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b><br/></div>\n";
2295
2296         open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -- \'$file_name\'";
2297         my $commit;
2298         print "<table cellspacing=\"0\">\n";
2299         my $alternate = 0;
2300         while (my $line = <$fd>) {
2301                 if ($line =~ m/^([0-9a-fA-F]{40})/){
2302                         $commit = $1;
2303                         next;
2304                 }
2305                 if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/ && (defined $commit)) {
2306                         my %co = git_read_commit($commit);
2307                         if (!%co) {
2308                                 next;
2309                         }
2310                         my $ref = "";
2311                         if (defined $refs->{$commit}) {
2312                                 $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
2313                         }
2314                         if ($alternate) {
2315                                 print "<tr class=\"dark\">\n";
2316                         } else {
2317                                 print "<tr class=\"light\">\n";
2318                         }
2319                         $alternate ^= 1;
2320                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2321                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2322                               "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"}, "<b>" .
2323                               esc_html(chop_str($co{'title'}, 50)) . "$ref</b>") . "</td>\n" .
2324                               "<td class=\"link\">" .
2325                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2326                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2327                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=$commit;f=$file_name")}, "blob");
2328                         my $blob = git_get_hash_by_path($hash, $file_name);
2329                         my $blob_parent = git_get_hash_by_path($commit, $file_name);
2330                         if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
2331                                 print " | " .
2332                                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name")},
2333                                 "diff to current");
2334                         }
2335                         print "</td>\n" .
2336                               "</tr>\n";
2337                         undef $commit;
2338                 }
2339         }
2340         print "</table>\n";
2341         close $fd;
2342         git_footer_html();
2343 }
2344
2345 sub git_search {
2346         if (!defined $searchtext) {
2347                 die_error("", "Text field empty.");
2348         }
2349         if (!defined $hash) {
2350                 $hash = git_read_head($project);
2351         }
2352         my %co = git_read_commit($hash);
2353         if (!%co) {
2354                 die_error(undef, "Unknown commit object.");
2355         }
2356         # pickaxe may take all resources of your box and run for several minutes
2357         # with every query - so decide by yourself how public you make this feature :)
2358         my $commit_search = 1;
2359         my $author_search = 0;
2360         my $committer_search = 0;
2361         my $pickaxe_search = 0;
2362         if ($searchtext =~ s/^author\\://i) {
2363                 $author_search = 1;
2364         } elsif ($searchtext =~ s/^committer\\://i) {
2365                 $committer_search = 1;
2366         } elsif ($searchtext =~ s/^pickaxe\\://i) {
2367                 $commit_search = 0;
2368                 $pickaxe_search = 1;
2369         }
2370         git_header_html();
2371         print "<div class=\"page_nav\">\n" .
2372               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary;h=$hash")}, "summary") .
2373               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2374               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2375               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2376               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2377               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2378               "<br/><br/>\n" .
2379               "</div>\n";
2380
2381         print "<div>\n" .
2382               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2383               "</div>\n";
2384         print "<table cellspacing=\"0\">\n";
2385         my $alternate = 0;
2386         if ($commit_search) {
2387                 $/ = "\0";
2388                 open my $fd, "-|", "$gitbin/git-rev-list --header --parents $hash" or next;
2389                 while (my $commit_text = <$fd>) {
2390                         if (!grep m/$searchtext/i, $commit_text) {
2391                                 next;
2392                         }
2393                         if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2394                                 next;
2395                         }
2396                         if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2397                                 next;
2398                         }
2399                         my @commit_lines = split "\n", $commit_text;
2400                         my %co = git_read_commit(undef, \@commit_lines);
2401                         if (!%co) {
2402                                 next;
2403                         }
2404                         if ($alternate) {
2405                                 print "<tr class=\"dark\">\n";
2406                         } else {
2407                                 print "<tr class=\"light\">\n";
2408                         }
2409                         $alternate ^= 1;
2410                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2411                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2412                               "<td>" .
2413                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" . esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2414                         my $comment = $co{'comment'};
2415                         foreach my $line (@$comment) {
2416                                 if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2417                                         my $lead = esc_html($1) || "";
2418                                         $lead = chop_str($lead, 30, 10);
2419                                         my $match = esc_html($2) || "";
2420                                         my $trail = esc_html($3) || "";
2421                                         $trail = chop_str($trail, 30, 10);
2422                                         my $text = "$lead<span class=\"match\">$match</span>$trail";
2423                                         print chop_str($text, 80, 5) . "<br/>\n";
2424                                 }
2425                         }
2426                         print "</td>\n" .
2427                               "<td class=\"link\">" .
2428                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2429                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2430                         print "</td>\n" .
2431                               "</tr>\n";
2432                 }
2433                 close $fd;
2434         }
2435
2436         if ($pickaxe_search) {
2437                 $/ = "\n";
2438                 open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -S\'$searchtext\'";
2439                 undef %co;
2440                 my @files;
2441                 while (my $line = <$fd>) {
2442                         if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2443                                 my %set;
2444                                 $set{'file'} = $6;
2445                                 $set{'from_id'} = $3;
2446                                 $set{'to_id'} = $4;
2447                                 $set{'id'} = $set{'to_id'};
2448                                 if ($set{'id'} =~ m/0{40}/) {
2449                                         $set{'id'} = $set{'from_id'};
2450                                 }
2451                                 if ($set{'id'} =~ m/0{40}/) {
2452                                         next;
2453                                 }
2454                                 push @files, \%set;
2455                         } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2456                                 if (%co) {
2457                                         if ($alternate) {
2458                                                 print "<tr class=\"dark\">\n";
2459                                         } else {
2460                                                 print "<tr class=\"light\">\n";
2461                                         }
2462                                         $alternate ^= 1;
2463                                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2464                                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2465                                               "<td>" .
2466                                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" .
2467                                               esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2468                                         while (my $setref = shift @files) {
2469                                                 my %set = %$setref;
2470                                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}"), class => "list"},
2471                                                       "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
2472                                                       "<br/>\n";
2473                                         }
2474                                         print "</td>\n" .
2475                                               "<td class=\"link\">" .
2476                                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2477                                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2478                                         print "</td>\n" .
2479                                               "</tr>\n";
2480                                 }
2481                                 %co = git_read_commit($1);
2482                         }
2483                 }
2484                 close $fd;
2485         }
2486         print "</table>\n";
2487         git_footer_html();
2488 }
2489
2490 sub git_shortlog {
2491         my $head = git_read_head($project);
2492         if (!defined $hash) {
2493                 $hash = $head;
2494         }
2495         if (!defined $page) {
2496                 $page = 0;
2497         }
2498         my $refs = read_info_ref();
2499         git_header_html();
2500         print "<div class=\"page_nav\">\n" .
2501               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2502               " | shortlog" .
2503               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2504               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2505               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2506               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
2507
2508         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2509         open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
2510         my (@revlist) = map { chomp; $_ } <$fd>;
2511         close $fd;
2512
2513         if ($hash ne $head || $page) {
2514                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "HEAD");
2515         } else {
2516                 print "HEAD";
2517         }
2518         if ($page > 0) {
2519                 print " &sdot; " .
2520                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
2521         } else {
2522                 print " &sdot; prev";
2523         }
2524         if ($#revlist >= (100 * ($page+1)-1)) {
2525                 print " &sdot; " .
2526                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
2527         } else {
2528                 print " &sdot; next";
2529         }
2530         print "<br/>\n" .
2531               "</div>\n";
2532         print "<div>\n" .
2533               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
2534               "</div>\n";
2535         print "<table cellspacing=\"0\">\n";
2536         my $alternate = 0;
2537         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2538                 my $commit = $revlist[$i];
2539                 my $ref = "";
2540                 if (defined $refs->{$commit}) {
2541                         $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
2542                 }
2543                 my %co = git_read_commit($commit);
2544                 my %ad = date_str($co{'author_epoch'});
2545                 if ($alternate) {
2546                         print "<tr class=\"dark\">\n";
2547                 } else {
2548                         print "<tr class=\"light\">\n";
2549                 }
2550                 $alternate ^= 1;
2551                 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2552                       "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2553                       "<td>";
2554                 if (length($co{'title_short'}) < length($co{'title'})) {
2555                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
2556                               "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
2557                 } else {
2558                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
2559                               "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
2560                 }
2561                 print "</td>\n" .
2562                       "<td class=\"link\">" .
2563                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2564                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2565                       "</td>\n" .
2566                       "</tr>";
2567         }
2568         if ($#revlist >= (100 * ($page+1)-1)) {
2569                 print "<tr>\n" .
2570                       "<td>" .
2571                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -title => "Alt-n"}, "next") .
2572                       "</td>\n" .
2573                       "</tr>\n";
2574         }
2575         print "</table\n>";
2576         git_footer_html();
2577 }