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