49fe43271e4dd8fa2b3bd2b0ca49af706e5bf0e0
[git.git] / gitweb.cgi
1 #!/usr/bin/perl
2
3 # gitweb - simple web interface to track changes in git repositories
4 #
5 # (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
6 # (C) 2005, Christian Gierke <ch@gierke.de>
7 #
8 # This program is licensed under the GPL v2, or a later version
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 Fcntl ':mode';
16
17 my $cgi = new CGI;
18 my $version =           "242";
19 my $my_url =            $cgi->url();
20 my $my_uri =            $cgi->url(-absolute => 1);
21 my $rss_link = "";
22
23 # absolute fs-path which will be prepended to the project path
24 #my $projectroot =      "/pub/scm";
25 my $projectroot = "/home/kay/public_html/pub/scm";
26
27 # location of the git-core binaries
28 my $gitbin =            "/usr/bin";
29
30 # location for temporary files needed for diffs
31 my $git_temp =          "/tmp/gitweb";
32
33 # target of the home link on top of all pages
34 my $home_link =         $my_uri;
35
36 # html text to include at home page
37 my $home_text =         "indextext.html";
38
39 # source of projects list
40 #my $projects_list = $projectroot;
41 my $projects_list = "index/index.aux";
42
43 # input validation and dispatch
44 my $action = $cgi->param('a');
45 if (defined $action) {
46         if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
47                 undef $action;
48                 die_error(undef, "Invalid action parameter.");
49         }
50         if ($action eq "git-logo.png") {
51                 git_logo();
52                 exit;
53         } elsif ($action eq "opml") {
54                 git_opml();
55                 exit;
56         }
57 }
58
59 my $order = $cgi->param('o');
60 if (defined $order) {
61         if ($order =~ m/[^0-9a-zA-Z_]/) {
62                 undef $order;
63                 die_error(undef, "Invalid order parameter.");
64         }
65 }
66
67 my $project = $cgi->param('p');
68 if (defined $project) {
69         $project = validate_input($project);
70         if (!defined($project)) {
71                 die_error(undef, "Invalid project parameter.");
72         }
73         if (!(-d "$projectroot/$project")) {
74                 undef $project;
75                 die_error(undef, "No such directory.");
76         }
77         if (!(-e "$projectroot/$project/HEAD")) {
78                 undef $project;
79                 die_error(undef, "No such project.");
80         }
81         $rss_link = "<link rel=\"alternate\" title=\"$project log\" href=\"$my_uri?p=$project;a=rss\" type=\"application/rss+xml\"/>";
82         $ENV{'GIT_DIR'} = "$projectroot/$project";
83 } else {
84         git_project_list();
85         exit;
86 }
87
88 my $file_name = $cgi->param('f');
89 if (defined $file_name) {
90         $file_name = validate_input($file_name);
91         if (!defined($file_name)) {
92                 die_error(undef, "Invalid file parameter.");
93         }
94 }
95
96 my $hash = $cgi->param('h');
97 if (defined $hash) {
98         $hash = validate_input($hash);
99         if (!defined($hash)) {
100                 die_error(undef, "Invalid hash parameter.");
101         }
102 }
103
104 my $hash_parent = $cgi->param('hp');
105 if (defined $hash_parent) {
106         $hash_parent = validate_input($hash_parent);
107         if (!defined($hash_parent)) {
108                 die_error(undef, "Invalid hash parent parameter.");
109         }
110 }
111
112 my $hash_base = $cgi->param('hb');
113 if (defined $hash_base) {
114         $hash_base = validate_input($hash_base);
115         if (!defined($hash_base)) {
116                 die_error(undef, "Invalid hash base parameter.");
117         }
118 }
119
120 my $page = $cgi->param('pg');
121 if (defined $page) {
122         if ($page =~ m/[^0-9]$/) {
123                 undef $page;
124                 die_error(undef, "Invalid page parameter.");
125         }
126 }
127
128 my $searchtext = $cgi->param('s');
129 if (defined $searchtext) {
130         if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
131                 undef $searchtext;
132                 die_error(undef, "Invalid search parameter.");
133         }
134         $searchtext = quotemeta $searchtext;
135 }
136
137 sub validate_input {
138         my $input = shift;
139
140         if ($input =~ m/^[0-9a-fA-F]{40}$/) {
141                 return $input;
142         }
143         if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
144                 return undef;
145         }
146         if ($input =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~]/) {
147                 return undef;
148         }
149         return $input;
150 }
151
152 if (!defined $action || $action eq "summary") {
153         git_summary();
154         exit;
155 } elsif ($action eq "branches") {
156         git_branches();
157         exit;
158 } elsif ($action eq "tags") {
159         git_tags();
160         exit;
161 } elsif ($action eq "blob") {
162         git_blob();
163         exit;
164 } elsif ($action eq "blob_plain") {
165         git_blob_plain();
166         exit;
167 } elsif ($action eq "tree") {
168         git_tree();
169         exit;
170 } elsif ($action eq "rss") {
171         git_rss();
172         exit;
173 } elsif ($action eq "commit") {
174         git_commit();
175         exit;
176 } elsif ($action eq "log") {
177         git_log();
178         exit;
179 } elsif ($action eq "blobdiff") {
180         git_blobdiff();
181         exit;
182 } elsif ($action eq "blobdiff_plain") {
183         git_blobdiff_plain();
184         exit;
185 } elsif ($action eq "commitdiff") {
186         git_commitdiff();
187         exit;
188 } elsif ($action eq "commitdiff_plain") {
189         git_commitdiff_plain();
190         exit;
191 } elsif ($action eq "history") {
192         git_history();
193         exit;
194 } elsif ($action eq "search") {
195         git_search();
196         exit;
197 } elsif ($action eq "shortlog") {
198         git_shortlog();
199         exit;
200 } elsif ($action eq "tag") {
201         git_tag();
202         exit;
203 } else {
204         undef $action;
205         die_error(undef, "Unknown action.");
206         exit;
207 }
208
209 sub git_header_html {
210         my $status = shift || "200 OK";
211
212         my $title = "git";
213         if (defined $project) {
214                 $title .= " - $project";
215                 if (defined $action) {
216                         $title .= "/$action";
217                 }
218         }
219         print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status);
220         print <<EOF;
221 <?xml version="1.0" encoding="utf-8"?>
222 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
223 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
224 <!-- git web interface v$version, (C) 2005, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke <ch\@gierke.de> -->
225 <head>
226 <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
227 <meta name="robots" content="index, nofollow"/>
228 <title>$title</title>
229 $rss_link
230 <style type="text/css">
231 body { font-family: sans-serif; font-size: 12px; margin:0px; border:solid #d9d8d1; border-width:1px; margin:10px; }
232 a { color:#0000cc; }
233 a:hover, a:visited, a:active { color:#880000; }
234 div.page_header { height:25px; padding:8px; font-size:18px; font-weight:bold; background-color:#d9d8d1; }
235 div.page_header a:visited, a.header { color:#0000cc; }
236 div.page_header a:hover { color:#880000; }
237 div.page_nav { padding:8px; }
238 div.page_nav a:visited { color:#0000cc; }
239 div.page_path { padding:8px; border:solid #d9d8d1; border-width:0px 0px 1px}
240 div.page_footer { height:17px; padding:4px 8px; background-color: #d9d8d1; }
241 div.page_footer_text { float:left; color:#555555; font-style:italic; }
242 div.page_body { padding:8px; }
243 div.title, a.title {
244         display:block; padding:6px 8px;
245         font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
246 }
247 a.title:hover { background-color: #d9d8d1; }
248 div.title_text { padding:6px 0px; border: solid #d9d8d1; border-width:0px 0px 1px; }
249 div.log_body { padding:8px 8px 8px 150px; }
250 span.age { position:relative; float:left; width:142px; font-style:italic; }
251 div.log_link {
252         padding:0px 8px;
253         font-size:10px; font-family:sans-serif; font-style:normal;
254         position:relative; float:left; width:136px;
255 }
256 div.list_head { padding:6px 8px 4px; border:solid #d9d8d1; border-width:1px 0px 0px; font-style:italic; }
257 a.list { text-decoration:none; color:#000000; }
258 a.list:hover { text-decoration:underline; color:#880000; }
259 a.text { text-decoration:none; color:#0000cc; }
260 a.text:visited { text-decoration:none; color:#880000; }
261 a.text:hover { text-decoration:underline; color:#880000; }
262 table { padding:8px 4px; }
263 th { padding:2px 5px; font-size:12px; text-align:left; }
264 tr.light:hover { background-color:#edece6; }
265 tr.dark { background-color:#f6f6f0; }
266 tr.dark:hover { background-color:#edece6; }
267 td { padding:2px 5px; font-size:12px; vertical-align:top; }
268 td.link { padding:2px 5px; font-family:sans-serif; font-size:10px; }
269 div.pre { font-family:monospace; font-size:12px; white-space:pre; }
270 div.diff_info { font-family:monospace; color:#000099; background-color:#edece6; font-style:italic; }
271 div.index_include { border:solid #d9d8d1; border-width:0px 0px 1px; padding:12px 8px; }
272 div.search { margin:4px 8px; position:absolute; top:56px; right:12px }
273 a.linenr { color:#999999; text-decoration:none }
274 a.rss_logo {
275         float:right; padding:3px 0px; width:35px; line-height:10px;
276         border:1px solid; border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e;
277         color:#ffffff; background-color:#ff6600;
278         font-weight:bold; font-family:sans-serif; font-size:10px;
279         text-align:center; text-decoration:none;
280 }
281 a.rss_logo:hover { background-color:#ee5500; }
282 </style>
283 </head>
284 <body>
285 EOF
286         print "<div class=\"page_header\">\n" .
287               "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
288               "<img src=\"$my_uri?a=git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
289               "</a>\n";
290         print $cgi->a({-href => $home_link}, "projects") . " / ";
291         if (defined $project) {
292                 print $cgi->a({-href => "$my_uri?p=$project;a=summary"}, escapeHTML($project));
293                 if (defined $action) {
294                         print " / $action";
295                 }
296                 print "\n";
297                 if (!defined $searchtext) {
298                         $searchtext = "";
299                 }
300                 $cgi->param("a", "search");
301                 print $cgi->startform(-method => "get", -action => "$my_uri") .
302                       "<div class=\"search\">\n" .
303                       $cgi->hidden(-name => "p") . "\n" .
304                       $cgi->hidden(-name => "a") . "\n" .
305                       $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
306                       "</div>" .
307                       $cgi->end_form() . "\n";
308         }
309         print "</div>\n";
310 }
311
312 sub git_footer_html {
313         print "<div class=\"page_footer\">\n";
314         if (defined $project) {
315                 my $descr = git_read_description($project);
316                 if (defined $descr) {
317                         print "<div class=\"page_footer_text\">" . escapeHTML($descr) . "</div>\n";
318                 }
319                 print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "rss_logo"}, "RSS") . "\n";
320         } else {
321                 print $cgi->a({-href => "$my_uri?a=opml", -class => "rss_logo"}, "OPML") . "\n";
322         }
323         print "</div>\n" .
324               "</body>\n" .
325               "</html>";
326 }
327
328 sub die_error {
329         my $status = shift || "403 Forbidden";
330         my $error = shift || "Malformed query, file missing or permission denied"; 
331
332         git_header_html($status);
333         print "<div class=\"page_body\">\n" .
334               "<br/><br/>\n" .
335               "$status - $error\n" .
336               "<br/>\n" .
337               "</div>\n";
338         git_footer_html();
339         exit;
340 }
341
342 sub git_get_type {
343         my $hash = shift;
344
345         open my $fd, "-|", "$gitbin/git-cat-file -t $hash" or return;
346         my $type = <$fd>;
347         close $fd or return;
348         chomp $type;
349         return $type;
350 }
351
352 sub git_read_hash {
353         my $path = shift;
354
355         open my $fd, "$projectroot/$path" or return undef;
356         my $head = <$fd>;
357         close $fd;
358         chomp $head;
359         if ($head =~ m/^[0-9a-fA-F]{40}$/) {
360                 return $head;
361         }
362 }
363
364 sub git_read_description {
365         my $path = shift;
366
367         open my $fd, "$projectroot/$path/description" or return undef;
368         my $descr = <$fd>;
369         close $fd;
370         chomp $descr;
371         return $descr;
372 }
373
374 sub git_read_tag {
375         my $tag_id = shift;
376         my %tag;
377         my @comment;
378
379         open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" or return;
380         $tag{'id'} = $tag_id;
381         while (my $line = <$fd>) {
382                 chomp $line;
383                 if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
384                         $tag{'object'} = $1;
385                 } elsif ($line =~ m/^type (.+)$/) {
386                         $tag{'type'} = $1;
387                 } elsif ($line =~ m/^tag (.+)$/) {
388                         $tag{'name'} = $1;
389                 } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
390                         $tag{'author'} = $1;
391                         $tag{'epoch'} = $2;
392                         $tag{'tz'} = $3;
393                 } elsif ($line =~ m/--BEGIN/) {
394                         push @comment, $line;
395                         last;
396                 } elsif ($line eq "") {
397                         last;
398                 }
399         }
400         push @comment, <$fd>;
401         $tag{'comment'} = \@comment;
402         close $fd or return;
403         if (!defined $tag{'name'}) {
404                 return
405         };
406         return %tag
407 }
408
409 sub age_string {
410         my $age = shift;
411         my $age_str;
412
413         if ($age > 60*60*24*365*2) {
414                 $age_str = (int $age/60/60/24/365);
415                 $age_str .= " years ago";
416         } elsif ($age > 60*60*24*(365/12)*2) {
417                 $age_str = int $age/60/60/24/(365/12);
418                 $age_str .= " months ago";
419         } elsif ($age > 60*60*24*7*2) {
420                 $age_str = int $age/60/60/24/7;
421                 $age_str .= " weeks ago";
422         } elsif ($age > 60*60*24*2) {
423                 $age_str = int $age/60/60/24;
424                 $age_str .= " days ago";
425         } elsif ($age > 60*60*2) {
426                 $age_str = int $age/60/60;
427                 $age_str .= " hours ago";
428         } elsif ($age > 60*2) {
429                 $age_str = int $age/60;
430                 $age_str .= " min ago";
431         } elsif ($age > 2) {
432                 $age_str = int $age;
433                 $age_str .= " sec ago";
434         } else {
435                 $age_str .= " right now";
436         }
437         return $age_str;
438 }
439
440 sub git_read_commit {
441         my $commit_id = shift;
442         my $commit_text = shift;
443
444         my @commit_lines;
445         my %co;
446         my @parents;
447
448         if (defined $commit_text) {
449                 @commit_lines = @$commit_text;
450         } else {
451                 open my $fd, "-|", "$gitbin/git-cat-file commit $commit_id" or return;
452                 @commit_lines = map { chomp; $_ } <$fd>;
453                 close $fd or return;
454         }
455         while (my $line = shift @commit_lines) {
456                 last if $line eq "\n";
457                 if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
458                         $co{'tree'} = $1;
459                 } elsif ($line =~ m/^parent ([0-9a-fA-F]{40})$/) {
460                         push @parents, $1;
461                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
462                         $co{'author'} = $1;
463                         $co{'author_epoch'} = $2;
464                         $co{'author_tz'} = $3;
465                         if ($co{'author'} =~ m/^([^<]+) </) {
466                                 $co{'author_name'} = $1;
467                         } else {
468                                 $co{'author_name'} = $co{'author'};
469                         }
470                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
471                         $co{'committer'} = $1;
472                         $co{'committer_epoch'} = $2;
473                         $co{'committer_tz'} = $3;
474                         $co{'committer_name'} = $co{'committer'};
475                         $co{'committer_name'} =~ s/ <.*//;
476                 }
477         }
478         if (!defined $co{'tree'}) {
479                 return undef
480         };
481         $co{'id'} = $commit_id;
482         $co{'parents'} = \@parents;
483         $co{'parent'} = $parents[0];
484         $co{'comment'} = \@commit_lines;
485         foreach my $title (@commit_lines) {
486                 if ($title ne "") {
487                         $co{'title'} = chop_str($title, 80, 5);
488                         # remove leading stuff of merges to make the interesting part visible
489                         if (length($title) > 50) {
490                                 $title =~ s/^Automatic //;
491                                 $title =~ s/^merge (of|with) /Merge ... /i;
492                                 if (length($title) > 50) {
493                                         $title =~ s/(http|rsync):\/\///;
494                                 }
495                                 if (length($title) > 50) {
496                                         $title =~ s/(master|www|rsync)\.//;
497                                 }
498                                 if (length($title) > 50) {
499                                         $title =~ s/kernel.org:?//;
500                                 }
501                                 if (length($title) > 50) {
502                                         $title =~ s/\/pub\/scm//;
503                                 }
504                         }
505                         $co{'title_short'} = chop_str($title, 50, 5);
506                         last;
507                 }
508         }
509
510         my $age = time - $co{'committer_epoch'};
511         $co{'age'} = $age;
512         $co{'age_string'} = age_string($age);
513         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
514         if ($age > 60*60*24*7*2) {
515                 $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
516                 $co{'age_string_age'} = $co{'age_string'};
517         } else {
518                 $co{'age_string_date'} = $co{'age_string'};
519                 $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
520         }
521         return %co;
522 }
523
524 sub git_diff_print {
525         my $from = shift;
526         my $from_name = shift;
527         my $to = shift;
528         my $to_name = shift;
529         my $format = shift || "html";
530
531         my $from_tmp = "/dev/null";
532         my $to_tmp = "/dev/null";
533         my $pid = $$;
534
535         # create tmp from-file
536         if (defined $from) {
537                 $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
538                 open my $fd2, "> $from_tmp";
539                 open my $fd, "-|", "$gitbin/git-cat-file blob $from";
540                 my @file = <$fd>;
541                 print $fd2 @file;
542                 close $fd2;
543                 close $fd;
544         }
545
546         # create tmp to-file
547         if (defined $to) {
548                 $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
549                 open my $fd2, "> $to_tmp";
550                 open my $fd, "-|", "$gitbin/git-cat-file blob $to";
551                 my @file = <$fd>;
552                 print $fd2 @file;
553                 close $fd2;
554                 close $fd;
555         }
556
557         open my $fd, "-|", "/usr/bin/diff -u -p -L $from_name -L $to_name $from_tmp $to_tmp";
558         if ($format eq "plain") {
559                 undef $/;
560                 print <$fd>;
561                 $/ = "\n";
562         } else {
563                 while (my $line = <$fd>) {
564                         chomp($line);
565                         my $char = substr($line, 0, 1);
566                         my $color = "";
567                         if ($char eq '+') {
568                                 $color = " style=\"color:#008800;\"";
569                         } elsif ($char eq "-") {
570                                 $color = " style=\"color:#cc0000;\"";
571                         } elsif ($char eq "@") {
572                                 $color = " style=\"color:#990099;\"";
573                         } elsif ($char eq "\\") {
574                                 # skip errors
575                                 next;
576                         }
577                         while ((my $pos = index($line, "\t")) != -1) {
578                                 if (my $count = (8 - (($pos-1) % 8))) {
579                                         my $spaces = ' ' x $count;
580                                         $line =~ s/\t/$spaces/;
581                                 }
582                         }
583                         print "<div class=\"pre\"$color>" . escapeHTML($line) . "</div>\n";
584                 }
585         }
586         close $fd;
587
588         if (defined $from) {
589                 unlink($from_tmp);
590         }
591         if (defined $to) {
592                 unlink($to_tmp);
593         }
594 }
595
596 sub mode_str {
597         my $mode = oct shift;
598
599         if (S_ISDIR($mode & S_IFMT)) {
600                 return 'drwxr-xr-x';
601         } elsif (S_ISLNK($mode)) {
602                 return 'lrwxrwxrwx';
603         } elsif (S_ISREG($mode)) {
604                 # git cares only about the executable bit
605                 if ($mode & S_IXUSR) {
606                         return '-rwxr-xr-x';
607                 } else {
608                         return '-rw-r--r--';
609                 };
610         } else {
611                 return '----------';
612         }
613 }
614
615 sub chop_str {
616         my $str = shift;
617         my $len = shift;
618         my $add_len = shift || 10;
619
620         # allow only $len chars, but don't cut a word if it would fit in $add_len
621         # if it doesn't fit, cut it if it's still longer than the dots we would add
622         $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
623         my $body = $1;
624         my $tail = $2;
625         if (length($tail) > 4) {
626                 $tail = " ...";
627         }
628         return "$body$tail";
629 }
630
631 sub file_type {
632         my $mode = oct shift;
633
634         if (S_ISDIR($mode & S_IFMT)) {
635                 return "directory";
636         } elsif (S_ISLNK($mode)) {
637                 return "symlink";
638         } elsif (S_ISREG($mode)) {
639                 return "file";
640         } else {
641                 return "unknown";
642         }
643 }
644
645 sub format_log_line_html {
646         my $line = shift;
647
648         $line = escapeHTML($line);
649         $line =~ s/ /&nbsp;/g;
650         if ($line =~ m/([0-9a-fA-F]{40})/) {
651                 my $hash_text = $1;
652                 if (git_get_type($hash_text) eq "commit") {
653                         my $link = $cgi->a({-class => "text", -href => "$my_uri?p=$project;a=commit;h=$hash_text"}, $hash_text);
654                         $line =~ s/$hash_text/$link/;
655                 }
656         }
657         return $line;
658 }
659
660 sub date_str {
661         my $epoch = shift;
662         my $tz = shift || "-0000";
663
664         my %date;
665         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
666         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
667         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
668         $date{'hour'} = $hour;
669         $date{'minute'} = $min;
670         $date{'mday'} = $mday;
671         $date{'day'} = $days[$wday];
672         $date{'month'} = $months[$mon];
673         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
674         $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
675
676         $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
677         my $local = $epoch + ((int $1 + ($2/60)) * 3600);
678         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
679         $date{'hour_local'} = $hour;
680         $date{'minute_local'} = $min;
681         $date{'tz_local'} = $tz;
682         return %date;
683 }
684
685 # git-logo (cached in browser for one day)
686 sub git_logo {
687         print $cgi->header(-type => 'image/png', -expires => '+1d');
688         # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
689         print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
690                 "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
691                 "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
692                 "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
693                 "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
694                 "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
695                 "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
696                 "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
697                 "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
698                 "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
699                 "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
700                 "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
701                 "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
702 }
703
704 sub get_file_owner {
705         my $path = shift;
706
707         my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
708         my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
709         if (!defined $gcos) {
710                 return undef;
711         }
712         my $owner = $gcos;
713         $owner =~ s/[,;].*$//;
714         return $owner;
715 }
716
717 sub git_read_projects {
718         my @list;
719
720         if (-d $projects_list) {
721                 # search in directory
722                 my $dir = $projects_list;
723                 opendir my $dh, $dir or return undef;
724                 while (my $dir = readdir($dh)) {
725                         if (-e "$projectroot/$dir/HEAD") {
726                                 my $pr = {
727                                         path => $dir,
728                                 };
729                                 push @list, $pr
730                         }
731                 }
732                 closedir($dh);
733         } elsif (-f $projects_list) {
734                 # read from file(url-encoded):
735                 # 'git%2Fgit.git Linus+Torvalds'
736                 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
737                 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
738                 open my $fd , $projects_list or return undef;
739                 while (my $line = <$fd>) {
740                         chomp $line;
741                         my ($path, $owner) = split ' ', $line;
742                         $path = unescape($path);
743                         $owner = unescape($owner);
744                         if (!defined $path) {
745                                 next;
746                         }
747                         if (-e "$projectroot/$path/HEAD") {
748                                 my $pr = {
749                                         path => $path,
750                                         owner => $owner,
751                                 };
752                                 push @list, $pr
753                         }
754                 }
755                 close $fd;
756         }
757         @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
758         return @list;
759 }
760
761 sub git_project_list {
762         my @list = git_read_projects();
763         my @projects;
764         if (!@list) {
765                 die_error(undef, "No project found.");
766         }
767         foreach my $pr (@list) {
768                 my $head = git_read_hash("$pr->{'path'}/HEAD");
769                 if (!defined $head) {
770                         next;
771                 }
772                 $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
773                 my %co = git_read_commit($head);
774                 if (!%co) {
775                         next;
776                 }
777                 $pr->{'commit'} = \%co;
778                 if (!defined $pr->{'descr'}) {
779                         my $descr = git_read_description($pr->{'path'}) || "";
780                         $pr->{'descr'} = chop_str($descr, 25, 5);
781                 }
782                 if (!defined $pr->{'owner'}) {
783                         $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
784                 }
785                 push @projects, $pr;
786         }
787         git_header_html();
788         if (-f $home_text) {
789                 print "<div class=\"index_include\">\n";
790                 open (my $fd, $home_text);
791                 print <$fd>;
792                 close $fd;
793                 print "</div>\n";
794         }
795         print "<table cellspacing=\"0\">\n" .
796               "<tr>\n";
797         if (!defined($order) || (defined($order) && ($order eq "project"))) {
798                 @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
799                 print "<th>Project</th>\n";
800         } else {
801                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?o=project"}, "Project") . "</th>\n";
802         }
803         if (defined($order) && ($order eq "descr")) {
804                 @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
805                 print "<th>Description</th>\n";
806         } else {
807                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?o=descr"}, "Description") . "</th>\n";
808         }
809         if (defined($order) && ($order eq "owner")) {
810                 @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
811                 print "<th>Owner</th>\n";
812         } else {
813                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?o=owner"}, "Owner") . "</th>\n";
814         }
815         if (defined($order) && ($order eq "age")) {
816                 @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
817                 print "<th>Last Change</th>\n";
818         } else {
819                 print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?o=age"}, "Last Change") . "</th>\n";
820         }
821         print "<th></th>\n" .
822               "</tr>\n";
823         my $alternate = 0;
824         foreach my $pr (@projects) {
825                 if ($alternate) {
826                         print "<tr class=\"dark\">\n";
827                 } else {
828                         print "<tr class=\"light\">\n";
829                 }
830                 $alternate ^= 1;
831                 print "<td>" . $cgi->a({-href => "$my_uri?p=$pr->{'path'};a=summary", -class => "list"}, escapeHTML($pr->{'path'})) . "</td>\n" .
832                       "<td>$pr->{'descr'}</td>\n" .
833                       "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
834                 my $colored_age;
835                 if ($pr->{'commit'}{'age'} < 60*60*2) {
836                         $colored_age = "<span style =\"color: #009900;\"><b><i>$pr->{'commit'}{'age_string'}</i></b></span>";
837                 } elsif ($pr->{'commit'}{'age'} < 60*60*24*2) {
838                         $colored_age = "<span style =\"color: #009900;\"><i>$pr->{'commit'}{'age_string'}</i></span>";
839                 } else {
840                         $colored_age = "<i>$pr->{'commit'}{'age_string'}</i>";
841                 }
842                 print "<td>$colored_age</td>\n" .
843                       "<td class=\"link\">" .
844                       $cgi->a({-href => "$my_uri?p=$pr->{'path'};a=summary"}, "summary") .
845                       " | " . $cgi->a({-href => "$my_uri?p=$pr->{'path'};a=shortlog"}, "shortlog") .
846                       " | " . $cgi->a({-href => "$my_uri?p=$pr->{'path'};a=log"}, "log") .
847                       "</td>\n" .
848                       "</tr>\n";
849         }
850         print "</table>\n";
851         git_footer_html();
852 }
853
854 sub git_read_refs {
855         my $ref_dir = shift;
856         my @reflist;
857
858         my @refs;
859         opendir my $dh, "$projectroot/$project/$ref_dir";
860         while (my $dir = readdir($dh)) {
861                 if ($dir =~ m/^\./) {
862                         next;
863                 }
864                 if (-d "$projectroot/$project/$ref_dir/$dir") {
865                         opendir my $dh2, "$projectroot/$project/$ref_dir/$dir";
866                         my @subdirs = grep !m/^\./, readdir $dh2;
867                         closedir($dh2);
868                         foreach my $subdir (@subdirs) {
869                                 push @refs, "$dir/$subdir"
870                         }
871                         next;
872                 }
873                 push @refs, $dir;
874         }
875         closedir($dh);
876         foreach my $ref_file (@refs) {
877                 my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
878                 my $type = git_get_type($ref_id) || next;
879                 my %ref_item;
880                 my %co;
881                 $ref_item{'type'} = $type;
882                 $ref_item{'id'} = $ref_id;
883                 $ref_item{'epoch'} = 0;
884                 $ref_item{'age'} = "unknown";
885                 if ($type eq "tag") {
886                         my %tag = git_read_tag($ref_id);
887                         $ref_item{'comment'} = $tag{'comment'};
888                         if ($tag{'type'} eq "commit") {
889                                 %co = git_read_commit($tag{'object'});
890                                 $ref_item{'epoch'} = $co{'committer_epoch'};
891                                 $ref_item{'age'} = $co{'age_string'};
892                         } elsif (defined($tag{'epoch'})) {
893                                 my $age = time - $tag{'epoch'};
894                                 $ref_item{'epoch'} = $tag{'epoch'};
895                                 $ref_item{'age'} = age_string($age);
896                         }
897                         $ref_item{'reftype'} = $tag{'type'};
898                         $ref_item{'name'} = $tag{'name'};
899                         $ref_item{'refid'} = $tag{'object'};
900                 } elsif ($type eq "commit"){
901                         %co = git_read_commit($ref_id);
902                         $ref_item{'reftype'} = "commit";
903                         $ref_item{'name'} = $ref_file;
904                         $ref_item{'title'} = $co{'title'};
905                         $ref_item{'refid'} = $ref_id;
906                         $ref_item{'epoch'} = $co{'committer_epoch'};
907                         $ref_item{'age'} = $co{'age_string'};
908                 }
909
910                 push @reflist, \%ref_item;
911         }
912         # sort tags by age
913         @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
914         return \@reflist;
915 }
916
917 sub git_summary {
918         my $descr = git_read_description($project) || "none";
919         my $head = git_read_hash("$project/HEAD");
920         my %co = git_read_commit($head);
921         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
922
923         my $owner;
924         if (-f $projects_list) {
925                 open (my $fd , $projects_list);
926                 while (my $line = <$fd>) {
927                         chomp $line;
928                         my ($pr, $ow) = split ' ', $line;
929                         $pr = unescape($pr);
930                         $ow = unescape($ow);
931                         if ($pr eq $project) {
932                                 $owner = $ow;
933                                 last;
934                         }
935                 }
936                 close $fd;
937         }
938         if (!defined $owner) {
939                 $owner = get_file_owner("$projectroot/$project");
940         }
941
942         git_header_html();
943         print "<div class=\"page_nav\">\n" .
944               "summary".
945               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
946               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
947               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
948               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
949               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
950               "<br/><br/>\n" .
951               "</div>\n";
952         print "<div class=\"title\">&nbsp;</div>\n";
953         print "<table cellspacing=\"0\">\n" .
954               "<tr><td>description</td><td>" . escapeHTML($descr) . "</td></tr>\n" .
955               "<tr><td>owner</td><td>$owner</td></tr>\n" .
956               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
957               "</table>\n";
958         open my $fd, "-|", "$gitbin/git-rev-list --max-count=17 " . git_read_hash("$project/HEAD") or die_error(undef, "Open failed.");
959         my (@revlist) = map { chomp; $_ } <$fd>;
960         close $fd;
961         print "<div>\n" .
962               $cgi->a({-href => "$my_uri?p=$project;a=shortlog", -class => "title"}, "shortlog") .
963               "</div>\n";
964         my $i = 16;
965         print "<table cellspacing=\"0\">\n";
966         my $alternate = 0;
967         foreach my $commit (@revlist) {
968                 my %co = git_read_commit($commit);
969                 my %ad = date_str($co{'author_epoch'});
970                 if ($alternate) {
971                         print "<tr class=\"dark\">\n";
972                 } else {
973                         print "<tr class=\"light\">\n";
974                 }
975                 $alternate ^= 1;
976                 if ($i-- > 0) {
977                         print "<td><i>$co{'age_string'}</i></td>\n" .
978                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
979                               "<td>";
980                         if (length($co{'title_short'}) < length($co{'title'})) {
981                                 print $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list", -title => "$co{'title'}"},
982                                       "<b>" . escapeHTML($co{'title_short'}) . "</b>");
983                         } else {
984                                 print $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"},
985                                       "<b>" . escapeHTML($co{'title'}) . "</b>");
986                         }
987                         print "</td>\n" .
988                               "<td class=\"link\">" .
989                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
990                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
991                               "</td>\n" .
992                               "</tr>";
993                 } else {
994                         print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "...") . "</td>\n" .
995                         "</tr>";
996                         last;
997                 }
998         }
999         print "</table\n>";
1000
1001         my $taglist = git_read_refs("refs/tags");
1002         if (defined @$taglist) {
1003                 print "<div>\n" .
1004                       $cgi->a({-href => "$my_uri?p=$project;a=tags", -class => "title"}, "tags") .
1005                       "</div>\n";
1006                 my $i = 16;
1007                 print "<table cellspacing=\"0\">\n";
1008                 my $alternate = 0;
1009                 foreach my $entry (@$taglist) {
1010                         my %tag = %$entry;
1011                         my $comment_lines = $tag{'comment'};
1012                         my $comment = shift @$comment_lines;
1013                         if (defined($comment)) {
1014                                 $comment = chop_str($comment, 30, 5);
1015                         }
1016                         if ($alternate) {
1017                                 print "<tr class=\"dark\">\n";
1018                         } else {
1019                                 print "<tr class=\"light\">\n";
1020                         }
1021                         $alternate ^= 1;
1022                         if ($i-- > 0) {
1023                                 print "<td><i>$tag{'age'}</i></td>\n" .
1024                                       "<td>" .
1025                                       $cgi->a({-href => "$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}", -class => "list"},
1026                                       "<b>" . escapeHTML($tag{'name'}) . "</b>") .
1027                                       "</td>\n" .
1028                                       "<td>";
1029                                 if (defined($comment)) {
1030                                       print $cgi->a({-class => "list", -href => "$my_uri?p=$project;a=tag;h=$tag{'id'}"}, $comment);
1031                                 }
1032                                 print "</td>\n" .
1033                                       "<td class=\"link\">";
1034                                 if ($tag{'type'} eq "tag") {
1035                                       print $cgi->a({-href => "$my_uri?p=$project;a=tag;h=$tag{'id'}"}, "tag") . " | ";
1036                                 }
1037                                 print $cgi->a({-href => "$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}"}, $tag{'reftype'});
1038                                 if ($tag{'reftype'} eq "commit") {
1039                                       print " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}"}, "shortlog") .
1040                                             " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'refid'}"}, "log");
1041                                 }
1042                                 print "</td>\n" .
1043                                       "</tr>";
1044                         } else {
1045                                 print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=tags"}, "...") . "</td>\n" .
1046                                 "</tr>";
1047                                 last;
1048                         }
1049                 }
1050                 print "</table\n>";
1051         }
1052
1053         my $branchlist = git_read_refs("refs/heads");
1054         if (defined @$branchlist) {
1055                 print "<div>\n" .
1056                       $cgi->a({-href => "$my_uri?p=$project;a=branches", -class => "title"}, "branches") .
1057                       "</div>\n";
1058                 my $i = 16;
1059                 print "<table cellspacing=\"0\">\n";
1060                 my $alternate = 0;
1061                 foreach my $entry (@$branchlist) {
1062                         my %tag = %$entry;
1063                         if ($alternate) {
1064                                 print "<tr class=\"dark\">\n";
1065                         } else {
1066                                 print "<tr class=\"light\">\n";
1067                         }
1068                         $alternate ^= 1;
1069                         if ($i-- > 0) {
1070                                 print "<td><i>$tag{'age'}</i></td>\n" .
1071                                       "<td>" .
1072                                       $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}", -class => "list"},
1073                                       "<b>" . escapeHTML($tag{'name'}) . "</b>") .
1074                                       "</td>\n" .
1075                                       "<td class=\"link\">" .
1076                                       $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}"}, "shortlog") .
1077                                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'name'}"}, "log") .
1078                                       "</td>\n" .
1079                                       "</tr>";
1080                         } else {
1081                                 print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=branches"}, "...") . "</td>\n" .
1082                                 "</tr>";
1083                                 last;
1084                         }
1085                 }
1086                 print "</table\n>";
1087         }
1088         git_footer_html();
1089 }
1090
1091 sub git_tag {
1092         my $head = git_read_hash("$project/HEAD");
1093         git_header_html();
1094         print "<div class=\"page_nav\">\n" .
1095               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1096               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1097               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1098               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
1099               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
1100               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;hb=$head"}, "tree") . "<br/>\n" .
1101               "<br/>\n" .
1102               "</div>\n";
1103         my %tag = git_read_tag($hash);
1104         print "<div>\n" .
1105               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($tag{'name'})) . "\n" .
1106               "</div>\n";
1107         print "<div class=\"title_text\">\n" .
1108               "<table cellspacing=\"0\">\n" .
1109               "<tr>\n" .
1110               "<td>object</td>\n" .
1111               "<td>" . $cgi->a({-class => "list", -href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'object'}"}, $tag{'object'}) . "</td>\n" .
1112               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'object'}"}, $tag{'type'}) . "</td>\n" .
1113               "</tr>\n";
1114         if (defined($tag{'author'})) {
1115                 my %ad = date_str($tag{'epoch'}, $tag{'tz'});
1116                 print "<tr><td>author</td><td>" . escapeHTML($tag{'author'}) . "</td></tr>\n";
1117                 print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1118         }
1119         print "</table>\n\n" .
1120               "</div>\n";
1121         print "<div class=\"page_body\">";
1122         my $comment = $tag{'comment'};
1123         foreach my $line (@$comment) {
1124                 print escapeHTML($line) . "<br/>\n";
1125         }
1126         print "</div>\n";
1127         git_footer_html();
1128 }
1129
1130 sub git_tags {
1131         my $head = git_read_hash("$project/HEAD");
1132         git_header_html();
1133         print "<div class=\"page_nav\">\n" .
1134               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1135               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1136               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1137               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
1138               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
1139               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;hb=$head"}, "tree") . "<br/>\n" .
1140               "<br/>\n" .
1141               "</div>\n";
1142         my $taglist = git_read_refs("refs/tags");
1143         print "<div>\n" .
1144               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
1145               "</div>\n";
1146         print "<table cellspacing=\"0\">\n";
1147         my $alternate = 0;
1148         if (defined @$taglist) {
1149                 foreach my $entry (@$taglist) {
1150                         my %tag = %$entry;
1151                         my $comment_lines = $tag{'comment'};
1152                         my $comment = shift @$comment_lines;
1153                         if (defined($comment)) {
1154                                 $comment = chop_str($comment, 30, 5);
1155                         }
1156                         if ($alternate) {
1157                                 print "<tr class=\"dark\">\n";
1158                         } else {
1159                                 print "<tr class=\"light\">\n";
1160                         }
1161                         $alternate ^= 1;
1162                         print "<td><i>$tag{'age'}</i></td>\n" .
1163                               "<td>" .
1164                               $cgi->a({-href => "$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}", -class => "list"},
1165                               "<b>" . escapeHTML($tag{'name'}) . "</b>") .
1166                               "</td>\n" .
1167                               "<td>";
1168                         if (defined($comment)) {
1169                               print $cgi->a({-class => "list", -href => "$my_uri?p=$project;a=tag;h=$tag{'id'}"}, $comment);
1170                         }
1171                         print "</td>\n" .
1172                               "<td class=\"link\">";
1173                         if ($tag{'type'} eq "tag") {
1174                               print $cgi->a({-href => "$my_uri?p=$project;a=tag;h=$tag{'id'}"}, "tag") . " | ";
1175                         }
1176                         print $cgi->a({-href => "$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}"}, $tag{'reftype'});
1177                         if ($tag{'reftype'} eq "commit") {
1178                               print " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}"}, "shortlog") .
1179                                     " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'refid'}"}, "log");
1180                         }
1181                         print "</td>\n" .
1182                               "</tr>";
1183                 }
1184         }
1185         print "</table\n>";
1186         git_footer_html();
1187 }
1188
1189 sub git_branches {
1190         my $head = git_read_hash("$project/HEAD");
1191         git_header_html();
1192         print "<div class=\"page_nav\">\n" .
1193               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1194               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1195               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1196               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
1197               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$head"}, "commitdiff") .
1198               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;hb=$head"}, "tree") . "<br/>\n" .
1199               "<br/>\n" .
1200               "</div>\n";
1201         my $taglist = git_read_refs("refs/heads");
1202         print "<div>\n" .
1203               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
1204               "</div>\n";
1205         print "<table cellspacing=\"0\">\n";
1206         my $alternate = 0;
1207         if (defined @$taglist) {
1208                 foreach my $entry (@$taglist) {
1209                         my %tag = %$entry;
1210                         if ($alternate) {
1211                                 print "<tr class=\"dark\">\n";
1212                         } else {
1213                                 print "<tr class=\"light\">\n";
1214                         }
1215                         $alternate ^= 1;
1216                         print "<td><i>$tag{'age'}</i></td>\n" .
1217                               "<td>" .
1218                               $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}", -class => "list"}, "<b>" . escapeHTML($tag{'name'}) . "</b>") .
1219                               "</td>\n" .
1220                               "<td class=\"link\">" .
1221                               $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$tag{'name'}"}, "shortlog") .
1222                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'name'}"}, "log") .
1223                               "</td>\n" .
1224                               "</tr>";
1225                 }
1226         }
1227         print "</table\n>";
1228         git_footer_html();
1229 }
1230
1231 sub git_get_hash_by_path {
1232         my $base = shift;
1233         my $path = shift || return undef;
1234
1235         my $tree = $base;
1236         my @parts = split '/', $path;
1237         while (my $part = shift @parts) {
1238                 open my $fd, "-|", "$gitbin/git-ls-tree $tree" or die_error(undef, "Open git-ls-tree failed.");
1239                 my (@entries) = map { chomp; $_ } <$fd>;
1240                 close $fd or return undef;
1241                 foreach my $line (@entries) {
1242                         #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1243                         $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1244                         my $t_mode = $1;
1245                         my $t_type = $2;
1246                         my $t_hash = $3;
1247                         my $t_name = $4;
1248                         if ($t_name eq $part) {
1249                                 if (!(@parts)) {
1250                                         return $t_hash;
1251                                 }
1252                                 if ($t_type eq "tree") {
1253                                         $tree = $t_hash;
1254                                 }
1255                                 last;
1256                         }
1257                 }
1258         }
1259 }
1260
1261 sub git_blob {
1262         if (!defined $hash && defined $file_name) {
1263                 my $base = $hash_base || git_read_hash("$project/HEAD");
1264                 $hash = git_get_hash_by_path($base, $file_name, "blob");
1265         }
1266         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or die_error(undef, "Open failed.");
1267         my $base = $file_name || "";
1268         git_header_html();
1269         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1270                 print "<div class=\"page_nav\">\n" .
1271                       $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1272                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1273                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1274                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1275                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1276                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree") . "<br/>\n";
1277                 print $cgi->a({-href => "$my_uri?p=$project;a=blob_plain;h=$hash"}, "plain") . "<br/>\n" .
1278                       "</div>\n";
1279                 print "<div>" .
1280                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) .
1281                       "</div>\n";
1282         } else {
1283                 print "<div class=\"page_nav\">\n" .
1284                       "<br/><br/></div>\n" .
1285                       "<div class=\"title\">$hash</div>\n";
1286         }
1287         if (defined $file_name) {
1288                 print "<div class=\"page_path\"><b>$file_name</b></div>\n";
1289         }
1290         print "<div class=\"page_body\">\n";
1291         my $nr;
1292         while (my $line = <$fd>) {
1293                 chomp $line;
1294                 $nr++;
1295                 while ((my $pos = index($line, "\t")) != -1) {
1296                         if (my $count = (8 - ($pos % 8))) {
1297                                 my $spaces = ' ' x $count;
1298                                 $line =~ s/\t/$spaces/;
1299                         }
1300                 }
1301                 printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, escapeHTML($line);
1302         }
1303         close $fd or print "Reading blob failed.\n";
1304         print "</div>";
1305         git_footer_html();
1306 }
1307
1308 sub git_blob_plain {
1309         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
1310         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or return;
1311         undef $/;
1312         print <$fd>;
1313         $/ = "\n";
1314         close $fd;
1315 }
1316
1317 sub git_tree {
1318         if (!defined $hash) {
1319                 $hash = git_read_hash("$project/HEAD");
1320                 if (defined $file_name) {
1321                         my $base = $hash_base || git_read_hash("$project/HEAD");
1322                         $hash = git_get_hash_by_path($base, $file_name, "tree");
1323                 }
1324                 if (!defined $hash_base) {
1325                         $hash_base = git_read_hash("$project/HEAD");
1326                 }
1327         }
1328         open my $fd, "-|", "$gitbin/git-ls-tree $hash" or die_error(undef, "Open git-ls-tree failed.");
1329         my (@entries) = map { chomp; $_ } <$fd>;
1330         close $fd or die_error(undef, "Reading tree failed.");
1331
1332         git_header_html();
1333         my $base_key = "";
1334         my $file_key = "";
1335         my $base = "";
1336         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1337                 $base_key = ";hb=$hash_base";
1338                 print "<div class=\"page_nav\">\n" .
1339                       $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1340                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash_base"}, "shortlog") .
1341                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash_base"}, "log") .
1342                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1343                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1344                       " | tree" .
1345                       "<br/><br/>\n" .
1346                       "</div>\n";
1347                 print "<div>\n" .
1348                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1349                       "</div>\n";
1350         } else {
1351                 print "<div class=\"page_nav\">\n";
1352                 print "<br/><br/></div>\n";
1353                 print "<div class=\"title\">$hash</div>\n";
1354         }
1355         if (defined $file_name) {
1356                 $base = "$file_name/";
1357                 print "<div class=\"page_path\"><b>/$file_name</b></div>\n";
1358         } else {
1359                 print "<div class=\"page_path\"><b>/</b></div>\n";
1360         }
1361         print "<div class=\"page_body\">\n";
1362         print "<table cellspacing=\"0\">\n";
1363         my $alternate = 0;
1364         foreach my $line (@entries) {
1365                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1366                 $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1367                 my $t_mode = $1;
1368                 my $t_type = $2;
1369                 my $t_hash = $3;
1370                 my $t_name = $4;
1371                 $file_key = ";f=$base$t_name";
1372                 if ($alternate) {
1373                         print "<tr class=\"dark\">\n";
1374                 } else {
1375                         print "<tr class=\"light\">\n";
1376                 }
1377                 $alternate ^= 1;
1378                 print "<td style=\"font-family:monospace\">" . mode_str($t_mode) . "</td>\n";
1379                 if ($t_type eq "blob") {
1380                         print "<td class=\"list\">" .
1381                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key, -class => "list"}, $t_name) .
1382                               "</td>\n" .
1383                               "<td class=\"link\">" .
1384                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key}, "blob") .
1385                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base" . $file_key}, "history") .
1386                               "</td>\n";
1387                 } elsif ($t_type eq "tree") {
1388                         print "<td class=\"list\">" .
1389                               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key}, $t_name) .
1390                               "</td>\n" .
1391                               "<td class=\"link\">" .
1392                               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key}, "tree") .
1393                               "</td>\n";
1394                 }
1395                 print "</tr>\n";
1396         }
1397         print "</table>\n" .
1398               "</div>";
1399         git_footer_html();
1400 }
1401
1402 sub git_rss {
1403         # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
1404         open my $fd, "-|", "$gitbin/git-rev-list --max-count=150 " . git_read_hash("$project/HEAD") or die_error(undef, "Open failed.");
1405         my (@revlist) = map { chomp; $_ } <$fd>;
1406         close $fd or die_error(undef, "Reading rev-list failed.");
1407         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1408         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1409               "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
1410         print "<channel>\n";
1411         print "<title>$project</title>\n".
1412               "<link>" . escapeHTML("$my_url?p=$project;a=summary") . "</link>\n".
1413               "<description>$project log</description>\n".
1414               "<language>en</language>\n";
1415
1416         for (my $i = 0; $i <= $#revlist; $i++) {
1417                 my $commit = $revlist[$i];
1418                 my %co = git_read_commit($commit);
1419                 # we read 150, we always show 30 and the ones more recent than 48 hours
1420                 if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
1421                         last;
1422                 }
1423                 my %cd = date_str($co{'committer_epoch'});
1424                 open $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $co{'id'}" or next;
1425                 my @difftree = map { chomp; $_ } <$fd>;
1426                 close $fd or next;
1427                 print "<item>\n" .
1428                       "<title>" .
1429                       sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . escapeHTML($co{'title'}) .
1430                       "</title>\n" .
1431                       "<author>" . escapeHTML($co{'author'}) . "</author>\n" .
1432                       "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
1433                       "<guid isPermaLink=\"true\">" . escapeHTML("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
1434                       "<link>" . escapeHTML("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
1435                       "<description>" . escapeHTML($co{'title'}) . "</description>\n" .
1436                       "<content:encoded>" .
1437                       "<![CDATA[\n";
1438                 my $comment = $co{'comment'};
1439                 foreach my $line (@$comment) {
1440                         print "$line<br/>\n";
1441                 }
1442                 print "<br/>\n";
1443                 foreach my $line (@difftree) {
1444                         if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1445                                 next;
1446                         }
1447                         my $file = $7;
1448                         print "$file<br/>\n";
1449                 }
1450                 print "]]>\n" .
1451                       "</content:encoded>\n" .
1452                       "</item>\n";
1453         }
1454         print "</channel></rss>";
1455 }
1456
1457 sub git_opml {
1458         my @list = git_read_projects();
1459
1460         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1461         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1462               "<opml version=\"1.0\">\n".
1463               "<head>".
1464               "  <title>Git OPML Export</title>\n".
1465               "</head>\n".
1466               "<body>\n".
1467               "<outline text=\"git RSS feeds\">\n";
1468
1469         foreach my $pr (@list) {
1470                 my %proj = %$pr;
1471                 my $head = git_read_hash("$proj{'path'}/HEAD");
1472                 if (!defined $head) {
1473                         next;
1474                 }
1475                 $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
1476                 my %co = git_read_commit($head);
1477                 if (!%co) {
1478                         next;
1479                 }
1480
1481                 my $path = escapeHTML(chop_str($proj{'path'}, 25, 5));
1482                 my $rss =  "$my_url?p=$proj{'path'};a=rss";
1483                 my $html =  "$my_url?p=$proj{'path'};a=summary";
1484                 print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
1485         }
1486         print "</outline>\n".
1487               "</body>\n".
1488               "</opml>\n";
1489 }
1490
1491 sub git_log {
1492         my $head = git_read_hash("$project/HEAD");
1493         if (!defined $hash) {
1494                 $hash = $head;
1495         }
1496         if (!defined $page) {
1497                 $page = 0;
1498         }
1499         git_header_html();
1500         print "<div class=\"page_nav\">\n";
1501         print $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1502               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash"}, "shortlog") .
1503               " | log" .
1504               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1505               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
1506               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash;hb=$hash"}, "tree") . "<br/>\n";
1507
1508         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1509         open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
1510         my (@revlist) = map { chomp; $_ } <$fd>;
1511         close $fd;
1512
1513         if ($hash ne $head || $page) {
1514                 print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "HEAD");
1515         } else {
1516                 print "HEAD";
1517         }
1518         if ($page > 0) {
1519                 print " &sdot; " .
1520                 $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash;pg=" . ($page-1), -accesskey => "p", -title => "Alt-p"}, "prev");
1521         } else {
1522                 print " &sdot; prev";
1523         }
1524         if ($#revlist >= (100 * ($page+1)-1)) {
1525                 print " &sdot; " .
1526                 $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash;pg=" . ($page+1), -accesskey => "n", -title => "Alt-n"}, "next");
1527         } else {
1528                 print " &sdot; next";
1529         }
1530         print "<br/>\n" .
1531               "</div>\n";
1532         if (!@revlist) {
1533                 print "<div>\n" .
1534                       $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
1535                       "</div>\n";
1536                 my %co = git_read_commit($hash);
1537                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1538         }
1539         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1540                 my $commit = $revlist[$i];
1541                 my %co = git_read_commit($commit);
1542                 next if !%co;
1543                 my %ad = date_str($co{'author_epoch'});
1544                 print "<div>\n" .
1545                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "title"},
1546                       "<span class=\"age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
1547                       "</div>\n";
1548                 print "<div class=\"title_text\">\n" .
1549                       "<div class=\"log_link\">\n" .
1550                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1551                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
1552                       "<br/>\n" .
1553                       "</div>\n" .
1554                       "<i>" . escapeHTML($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1555                       "</div>\n" .
1556                       "<div class=\"log_body\">\n";
1557                 my $comment = $co{'comment'};
1558                 my $empty = 0;
1559                 foreach my $line (@$comment) {
1560                         if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1561                                 next;
1562                         }
1563                         if ($line eq "") {
1564                                 if ($empty) {
1565                                         next;
1566                                 }
1567                                 $empty = 1;
1568                         } else {
1569                                 $empty = 0;
1570                         }
1571                         print format_log_line_html($line) . "<br/>\n";
1572                 }
1573                 if (!$empty) {
1574                         print "<br/>\n";
1575                 }
1576                 print "</div>\n";
1577         }
1578         git_footer_html();
1579 }
1580
1581 sub git_commit {
1582         my %co = git_read_commit($hash);
1583         if (!%co) {
1584                 die_error(undef, "Unknown commit object.");
1585         }
1586         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1587         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1588
1589         my @difftree;
1590         my $root = "";
1591         my $parent = $co{'parent'};
1592         if (!defined $parent) {
1593                 $root = " --root";
1594                 $parent = "";
1595         }
1596         open my $fd, "-|", "$gitbin/git-diff-tree -r -M $root $parent $hash" or die_error(undef, "Open failed.");
1597         @difftree = map { chomp; $_ } <$fd>;
1598         close $fd or die_error(undef, "Reading diff-tree failed.");
1599         git_header_html();
1600         print "<div class=\"page_nav\">\n" .
1601               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1602               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash"}, "shortlog") .
1603               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
1604               " | commit";
1605         if (defined $co{'parent'}) {
1606                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff");
1607         }
1608         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") . "\n" .
1609               "<br/><br/></div>\n";
1610         if (defined $co{'parent'}) {
1611                 print "<div>\n" .
1612                       $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1613                       "</div>\n";
1614         } else {
1615                 print "<div>\n" .
1616                       $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1617                       "</div>\n";
1618         }
1619         print "<div class=\"title_text\">\n" .
1620               "<table cellspacing=\"0\">\n";
1621         print "<tr><td>author</td><td>" . escapeHTML($co{'author'}) . "</td></tr>\n".
1622               "<tr>" .
1623               "<td></td><td> $ad{'rfc2822'}";
1624         if ($ad{'hour_local'} < 6) {
1625                 printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1626         } else {
1627                 printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1628         }
1629         print "</td>" .
1630               "</tr>\n";
1631         print "<tr><td>committer</td><td>" . escapeHTML($co{'committer'}) . "</td></tr>\n";
1632         print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1633         print "<tr><td>commit</td><td style=\"font-family:monospace\">$hash</td></tr>\n";
1634         print "<tr>" .
1635               "<td>tree</td>" .
1636               "<td style=\"font-family:monospace\">" .
1637               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash", class => "list"}, $co{'tree'}) .
1638               "</td>" .
1639               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
1640               "</td>" .
1641               "</tr>\n";
1642         my $parents  = $co{'parents'};
1643         foreach my $par (@$parents) {
1644                 print "<tr>" .
1645                       "<td>parent</td>" .
1646                       "<td style=\"font-family:monospace\">" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par", class => "list"}, $par) . "</td>" .
1647                       "<td class=\"link\">" .
1648                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, "commit") .
1649                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash;hp=$par"}, "commitdiff") .
1650                       "</td>" .
1651                       "</tr>\n";
1652         }
1653         print "</table>". 
1654               "</div>\n";
1655         print "<div class=\"page_body\">\n";
1656         my $comment = $co{'comment'};
1657         my $empty = 0;
1658         my $signed = 0;
1659         foreach my $line (@$comment) {
1660                 # print only one empty line
1661                 if ($line eq "") {
1662                         if ($empty || $signed) {
1663                                 next;
1664                         }
1665                         $empty = 1;
1666                 } else {
1667                         $empty = 0;
1668                 }
1669                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1670                         $signed = 1;
1671                         print "<span style=\"color: #888888\">" . escapeHTML($line) . "</span><br/>\n";
1672                 } else {
1673                         $signed = 0;
1674                         print format_log_line_html($line) . "<br/>\n";
1675                 }
1676         }
1677         print "</div>\n";
1678         print "<div class=\"list_head\">\n";
1679         if ($#difftree > 10) {
1680                 print(($#difftree + 1) . " files changed:\n");
1681         }
1682         print "</div>\n";
1683         print "<table cellspacing=\"0\">\n";
1684         my $alternate = 0;
1685         foreach my $line (@difftree) {
1686                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1687                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1688                 if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1689                         next;
1690                 }
1691                 my $from_mode = $1;
1692                 my $to_mode = $2;
1693                 my $from_id = $3;
1694                 my $to_id = $4;
1695                 my $status = $5;
1696                 my $similarity = $6;
1697                 my $file = $7;
1698                 if ($alternate) {
1699                         print "<tr class=\"dark\">\n";
1700                 } else {
1701                         print "<tr class=\"light\">\n";
1702                 }
1703                 $alternate ^= 1;
1704                 if ($status eq "A") {
1705                         my $mode_chng = "";
1706                         if (S_ISREG(oct $to_mode)) {
1707                                 $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
1708                         }
1709                         print "<td>" .
1710                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hp=$hash;f=$file", -class => "list"}, escapeHTML($file)) . "</td>\n" .
1711                               "<td><span style=\"color: #008000;\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
1712                               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "blob") . "</td>\n";
1713                 } elsif ($status eq "D") {
1714                         print "<td>" .
1715                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file)) . "</td>\n" .
1716                               "<td><span style=\"color: #c00000;\">[deleted " . file_type($from_mode). "]</span></td>\n" .
1717                               "<td class=\"link\">" .
1718                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, "blob") .
1719                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") .
1720                               "</td>\n"
1721                 } elsif ($status eq "M" || $status eq "T") {
1722                         my $mode_chnge = "";
1723                         if ($from_mode != $to_mode) {
1724                                 $mode_chnge = " <span style=\"color: #777777;\">[changed";
1725                                 if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
1726                                         $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
1727                                 }
1728                                 if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
1729                                         if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
1730                                                 $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
1731                                         } elsif (S_ISREG($to_mode)) {
1732                                                 $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
1733                                         }
1734                                 }
1735                                 $mode_chnge .= "]</span>\n";
1736                         }
1737                         print "<td>";
1738                         if ($to_id ne $from_id) {
1739                                 print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file));
1740                         } else {
1741                                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file", -class => "list"}, escapeHTML($file));
1742                         }
1743                         print "</td>\n" .
1744                               "<td>$mode_chnge</td>\n" .
1745                               "<td class=\"link\">";
1746                         print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "blob");
1747                         if ($to_id ne $from_id) {
1748                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"}, "diff");
1749                         }
1750                         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n";
1751                         print "</td>\n";
1752                 } elsif ($status eq "R") {
1753                         my ($from_file, $to_file) = split "\t", $file;
1754                         my $mode_chng = "";
1755                         if ($from_mode != $to_mode) {
1756                                 $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
1757                         }
1758                         print "<td>" .
1759                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file", -class => "list"}, escapeHTML($to_file)) . "</td>\n" .
1760                               "<td><span style=\"color: #777777;\">[moved from " .
1761                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$from_file", -class => "list"}, escapeHTML($from_file)) .
1762                               " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
1763                               "<td class=\"link\">" .
1764                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"}, "blob");
1765                         if ($to_id ne $from_id) {
1766                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file"}, "diff");
1767                         }
1768                         print "</td>\n";
1769                 }
1770                 print "</tr>\n";
1771         }
1772         print "</table>\n";
1773         git_footer_html();
1774 }
1775
1776 sub git_blobdiff {
1777         mkdir($git_temp, 0700);
1778         git_header_html();
1779         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1780                 print "<div class=\"page_nav\">\n" .
1781                       $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1782                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1783                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1784                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1785                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1786                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree") .
1787                       "<br/>\n";
1788                 print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent"}, "plain") .
1789                       "</div>\n";
1790                 print "<div>\n" .
1791                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1792                       "</div>\n";
1793         } else {
1794                 print "<div class=\"page_nav\">\n" .
1795                       "<br/><br/></div>\n" .
1796                       "<div class=\"title\">$hash vs $hash_parent</div>\n";
1797         }
1798         if (defined $file_name) {
1799                 print "<div class=\"page_path\"><b>/$file_name</b></div>\n";
1800         }
1801         print "<div class=\"page_body\">\n" .
1802               "<div class=\"diff_info\">blob:" .
1803               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name"}, $hash_parent) .
1804               " -> blob:" .
1805               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name"}, $hash) .
1806               "</div>\n";
1807         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
1808         print "</div>";
1809         git_footer_html();
1810 }
1811
1812 sub git_blobdiff_plain {
1813         mkdir($git_temp, 0700);
1814         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
1815         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
1816 }
1817
1818 sub git_commitdiff {
1819         mkdir($git_temp, 0700);
1820         my %co = git_read_commit($hash);
1821         if (!%co) {
1822                 die_error(undef, "Unknown commit object.");
1823         }
1824         if (!defined $hash_parent) {
1825                 $hash_parent = $co{'parent'};
1826         }
1827         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
1828         my (@difftree) = map { chomp; $_ } <$fd>;
1829         close $fd or die_error(undef, "Reading diff-tree failed.");
1830
1831         git_header_html();
1832         print "<div class=\"page_nav\">\n" .
1833               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1834               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash"}, "shortlog") .
1835               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
1836               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1837               " | commitdiff" .
1838               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") . "<br/>\n";
1839         print $cgi->a({-href => "$my_uri?p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent"}, "plain") . "\n" .
1840               "</div>\n";
1841         print "<div>\n" .
1842               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1843               "</div>\n";
1844         print "<div class=\"page_body\">\n";
1845         my $comment = $co{'comment'};
1846         my $empty = 0;
1847         my $signed = 0;
1848         my @log = @$comment;
1849         # remove first and empty lines after that
1850         shift @log;
1851         while (defined $log[0] && $log[0] eq "") {
1852                 shift @log;
1853         }
1854         foreach my $line (@log) {
1855                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1856                         next;
1857                 }
1858                 if ($line eq "") {
1859                         if ($empty) {
1860                                 next;
1861                         }
1862                         $empty = 1;
1863                 } else {
1864                         $empty = 0;
1865                 }
1866                 print format_log_line_html($line) . "<br/>\n";
1867         }
1868         print "<br/>\n";
1869         foreach my $line (@difftree) {
1870                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1871                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1872                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
1873                 my $from_mode = $1;
1874                 my $to_mode = $2;
1875                 my $from_id = $3;
1876                 my $to_id = $4;
1877                 my $status = $5;
1878                 my $file = $6;
1879                 if ($status eq "A") {
1880                         print "<div class=\"diff_info\">" .  file_type($to_mode) . ":" .
1881                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id) . "(new)" .
1882                               "</div>\n";
1883                         git_diff_print(undef, "/dev/null", $to_id, "b/$file");
1884                 } elsif ($status eq "D") {
1885                         print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
1886                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) . "(deleted)" .
1887                               "</div>\n";
1888                         git_diff_print($from_id, "a/$file", undef, "/dev/null");
1889                 } elsif ($status eq "M") {
1890                         if ($from_id ne $to_id) {
1891                                 print "<div class=\"diff_info\">" .
1892                                       file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) .
1893                                       " -> " .
1894                                       file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id);
1895                                 print "</div>\n";
1896                                 git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
1897                         }
1898                 }
1899         }
1900         print "<br/>\n" .
1901               "</div>";
1902         git_footer_html();
1903 }
1904
1905 sub git_commitdiff_plain {
1906         mkdir($git_temp, 0700);
1907         open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
1908         my (@difftree) = map { chomp; $_ } <$fd>;
1909         close $fd or die_error(undef, "Reading diff-tree failed.");
1910
1911         # try to figure out the next tag after this commit
1912         my $tagname;
1913         my %taghash;
1914         my $tags = git_read_refs("refs/tags");
1915         foreach my $entry (@$tags) {
1916                 my %tag = %$entry;
1917                 $taghash{$tag{'refid'}} = $tag{'name'};
1918         }
1919         open $fd, "-|", "$gitbin/git-rev-list HEAD";
1920         while (my $commit = <$fd>) {
1921                 chomp $commit;
1922                 if ($taghash{$commit}) {
1923                         $tagname = $taghash{$commit};
1924                 }
1925                 if ($commit eq $hash) {
1926                         last;
1927                 }
1928         }
1929         close $fd;
1930
1931         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
1932         my %co = git_read_commit($hash);
1933         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1934         my $comment = $co{'comment'};
1935         print "From: $co{'author'}\n" .
1936               "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
1937               "Subject: $co{'title'}\n";
1938         if (defined $tagname) {
1939               print "X-Git-Tag: $tagname\n";
1940         }
1941         print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
1942               "\n";
1943
1944         foreach my $line (@$comment) {;
1945                 print "  $line\n";
1946         }
1947         print "---\n\n";
1948
1949         foreach my $line (@difftree) {
1950                 $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
1951                 my $from_id = $3;
1952                 my $to_id = $4;
1953                 my $status = $5;
1954                 my $file = $6;
1955                 if ($status eq "A") {
1956                         git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
1957                 } elsif ($status eq "D") {
1958                         git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
1959                 } elsif ($status eq "M") {
1960                         git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
1961                 }
1962         }
1963 }
1964
1965 sub git_history {
1966         if (!defined $hash) {
1967                 $hash = git_read_hash("$project/HEAD");
1968         }
1969         my %co = git_read_commit($hash);
1970         if (!%co) {
1971                 die_error(undef, "Unknown commit object.");
1972         }
1973         git_header_html();
1974         print "<div class=\"page_nav\">\n" .
1975               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
1976               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
1977               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1978               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1979               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
1980               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
1981               "<br/><br/>\n" .
1982               "</div>\n";
1983         print "<div>\n" .
1984               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1985               "</div>\n";
1986         print "<div class=\"page_path\"><b>/$file_name</b><br/></div>\n";
1987
1988         open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin $file_name";
1989         my $commit;
1990         print "<table cellspacing=\"0\">\n";
1991         my $alternate = 0;
1992         while (my $line = <$fd>) {
1993                 if ($line =~ m/^([0-9a-fA-F]{40})/){
1994                         $commit = $1;
1995                         next;
1996                 }
1997                 if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/ && (defined $commit)) {
1998                         my %co = git_read_commit($commit);
1999                         if (!%co) {
2000                                 next;
2001                         }
2002                         if ($alternate) {
2003                                 print "<tr class=\"dark\">\n";
2004                         } else {
2005                                 print "<tr class=\"light\">\n";
2006                         }
2007                         $alternate ^= 1;
2008                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2009                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2010                               "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"}, "<b>" .
2011                               escapeHTML(chop_str($co{'title'}, 50)) . "</b>") . "</td>\n" .
2012                               "<td class=\"link\">" .
2013                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
2014                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=blob;hb=$commit;f=$file_name"}, "blob");
2015                         my $blob = git_get_hash_by_path($hash, $file_name);
2016                         my $blob_parent = git_get_hash_by_path($commit, $file_name);
2017                         if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
2018                                 print " | " .
2019                                 $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name"},
2020                                 "diff to current");
2021                         }
2022                         print "</td>\n" .
2023                               "</tr>\n";
2024                         undef $commit;
2025                 }
2026         }
2027         print "</table>\n";
2028         close $fd;
2029         git_footer_html();
2030 }
2031
2032 sub git_search {
2033         if (!defined $searchtext) {
2034                 die_error("", "Text field empty.");
2035         }
2036         if (!defined $hash) {
2037                 $hash = git_read_hash("$project/HEAD");
2038         }
2039         my %co = git_read_commit($hash);
2040         if (!%co) {
2041                 die_error(undef, "Unknown commit object.");
2042         }
2043         # pickaxe may take all resources of your box and run for several minutes
2044         # with every query - so decide by yourself how public you make this feature :)
2045         my $commit_search = 1;
2046         my $author_search = 0;
2047         my $committer_search = 0;
2048         my $pickaxe_search = 0;
2049         if ($searchtext =~ s/^author\\://i) {
2050                 $author_search = 1;
2051         } elsif ($searchtext =~ s/^committer\\://i) {
2052                 $committer_search = 1;
2053         } elsif ($searchtext =~ s/^pickaxe\\://i) {
2054                 $commit_search = 0;
2055                 $pickaxe_search = 1;
2056         }
2057         git_header_html();
2058         print "<div class=\"page_nav\">\n" .
2059               $cgi->a({-href => "$my_uri?p=$project;a=summary;h=$hash"}, "summary") .
2060               " | " . $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "shortlog") .
2061               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
2062               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
2063               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
2064               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
2065               "<br/><br/>\n" .
2066               "</div>\n";
2067
2068         print "<div>\n" .
2069               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
2070               "</div>\n";
2071         print "<table cellspacing=\"0\">\n";
2072         my $alternate = 0;
2073         if ($commit_search) {
2074                 $/ = "\0";
2075                 open my $fd, "-|", "$gitbin/git-rev-list --header $hash";
2076                 while (my $commit_text = <$fd>) {
2077                         if (!grep m/$searchtext/i, $commit_text) {
2078                                 next;
2079                         }
2080                         if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2081                                 next;
2082                         }
2083                         if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2084                                 next;
2085                         }
2086                         my @commit_lines = split "\n", $commit_text;
2087                         my $commit = shift @commit_lines;
2088                         my %co = git_read_commit($commit, \@commit_lines);
2089                         if (!%co) {
2090                                 next;
2091                         }
2092                         if ($alternate) {
2093                                 print "<tr class=\"dark\">\n";
2094                         } else {
2095                                 print "<tr class=\"light\">\n";
2096                         }
2097                         $alternate ^= 1;
2098                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2099                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2100                               "<td>" .
2101                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"}, "<b>" . escapeHTML(chop_str($co{'title'}, 50)) . "</b><br/>");
2102                         my $comment = $co{'comment'};
2103                         foreach my $line (@$comment) {
2104                                 if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2105                                         my $lead = escapeHTML($1) || "";
2106                                         $lead = chop_str($lead, 30, 10);
2107                                         my $match = escapeHTML($2) || "";
2108                                         my $trail = escapeHTML($3) || "";
2109                                         $trail = chop_str($trail, 30, 10);
2110                                         my $text = "$lead<span style=\"color:#e00000\">$match</span>$trail";
2111                                         print chop_str($text, 80, 5) . "<br/>\n";
2112                                 }
2113                         }
2114                         print "</td>\n" .
2115                               "<td class=\"link\">" .
2116                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
2117                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$commit"}, "tree");
2118                         print "</td>\n" .
2119                               "</tr>\n";
2120                 }
2121                 close $fd;
2122         }
2123
2124         if ($pickaxe_search) {
2125                 $/ = "\n";
2126                 open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -S$searchtext";
2127                 undef %co;
2128                 my @files;
2129                 while (my $line = <$fd>) {
2130                         if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2131                                 my %set;
2132                                 $set{'file'} = $6;
2133                                 $set{'from_id'} = $3;
2134                                 $set{'to_id'} = $4;
2135                                 $set{'id'} = $set{'to_id'};
2136                                 if ($set{'id'} =~ m/0{40}/) {
2137                                         $set{'id'} = $set{'from_id'};
2138                                 }
2139                                 if ($set{'id'} =~ m/0{40}/) {
2140                                         next;
2141                                 }
2142                                 push @files, \%set;
2143                         } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2144                                 if (%co) {
2145                                         if ($alternate) {
2146                                                 print "<tr class=\"dark\">\n";
2147                                         } else {
2148                                                 print "<tr class=\"light\">\n";
2149                                         }
2150                                         $alternate ^= 1;
2151                                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2152                                               "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2153                                               "<td>" .
2154                                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$co{'id'}", -class => "list"}, "<b>" .
2155                                               escapeHTML(chop_str($co{'title'}, 50)) . "</b><br/>");
2156                                         while (my $setref = shift @files) {
2157                                                 my %set = %$setref;
2158                                                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}", class => "list"},
2159                                                       "<span style=\"color:#e00000\">" . escapeHTML($set{'file'}) . "</span>") .
2160                                                       "<br/>\n";
2161                                         }
2162                                         print "</td>\n" .
2163                                               "<td class=\"link\">" .
2164                                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$co{'id'}"}, "commit") .
2165                                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}"}, "tree");
2166                                         print "</td>\n" .
2167                                               "</tr>\n";
2168                                 }
2169                                 %co = git_read_commit($1);
2170                         }
2171                 }
2172                 close $fd;
2173         }
2174         print "</table>\n";
2175         git_footer_html();
2176 }
2177
2178 sub git_shortlog {
2179         my $head = git_read_hash("$project/HEAD");
2180         if (!defined $hash) {
2181                 $hash = $head;
2182         }
2183         if (!defined $page) {
2184                 $page = 0;
2185         }
2186         git_header_html();
2187         print "<div class=\"page_nav\">\n" .
2188               $cgi->a({-href => "$my_uri?p=$project;a=summary"}, "summary") .
2189               " | shortlog" .
2190               " | " . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$hash"}, "log") .
2191               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
2192               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
2193               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash;hb=$hash"}, "tree") . "<br/>\n";
2194
2195         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2196         open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
2197         my (@revlist) = map { chomp; $_ } <$fd>;
2198         close $fd;
2199
2200         if ($hash ne $head || $page) {
2201                 print $cgi->a({-href => "$my_uri?p=$project;a=shortlog"}, "HEAD");
2202         } else {
2203                 print "HEAD";
2204         }
2205         if ($page > 0) {
2206                 print " &sdot; " .
2207                 $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page-1), -accesskey => "p", -title => "Alt-p"}, "prev");
2208         } else {
2209                 print " &sdot; prev";
2210         }
2211         if ($#revlist >= (100 * ($page+1)-1)) {
2212                 print " &sdot; " .
2213                 $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page+1), -accesskey => "n", -title => "Alt-n"}, "next");
2214         } else {
2215                 print " &sdot; next";
2216         }
2217         print "<br/>\n" .
2218               "</div>\n";
2219         print "<div>\n" .
2220               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "&nbsp;") .
2221               "</div>\n";
2222         print "<table cellspacing=\"0\">\n";
2223         my $alternate = 0;
2224         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2225                 my $commit = $revlist[$i];
2226                 my %co = git_read_commit($commit);
2227                 my %ad = date_str($co{'author_epoch'});
2228                 if ($alternate) {
2229                         print "<tr class=\"dark\">\n";
2230                 } else {
2231                         print "<tr class=\"light\">\n";
2232                 }
2233                 $alternate ^= 1;
2234                 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2235                       "<td><i>" . escapeHTML(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2236                       "<td>";
2237                 if (length($co{'title_short'}) < length($co{'title'})) {
2238                         print $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list", -title => "$co{'title'}"},
2239                               "<b>" . escapeHTML($co{'title_short'}) . "</b>");
2240                 } else {
2241                         print $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "list"},
2242                               "<b>" . escapeHTML($co{'title_short'}) . "</b>");
2243                 }
2244                 print "</td>\n" .
2245                       "<td class=\"link\">" .
2246                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
2247                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
2248                       "</td>\n" .
2249                       "</tr>";
2250         }
2251         if ($#revlist >= (100 * ($page+1)-1)) {
2252                 print "<tr>\n" .
2253                       "<td>" .
2254                       $cgi->a({-href => "$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page+1), -title => "Alt-n"}, "next") .
2255                       "</td>\n" .
2256                       "</tr>\n";
2257         }
2258         print "</table\n>";
2259         git_footer_html();
2260 }