6d604d732e1e9440f929a6d2541b20f1d17a93b4
1#!/usr/bin/perl
2# gitweb.pl - simple web interface to track changes in git repositories
4#
5# Version 021
6#
7# (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
8# (C) 2005, Christian Gierke <ch@gierke.de>
9#
10# This file is licensed under the GPL v2, or a later version
11use strict;
13use warnings;
14use CGI qw(:standard :escapeHTML);
15use CGI::Carp qw(fatalsToBrowser);
16my $projectroot = "/home/kay/public_html";
18my $defaultprojects = ".";
19my $gitbin = "/home/kay/bin/git";
20my $gittmp = "/tmp";
21my $cgi = new CGI;
23my $project = "";
24my $action = "";
25my $hash = "";
26my $hash_parent = "";
27my $view_back;
28my $myself = $cgi->url(-absolute => 1);
29my $url_parm = $cgi->url(-path => 1);
30$url_parm =~ s/.*$myself//;
31# get values from url
33if ($url_parm =~ m#/(.+)/commit/([0-9a-fA-F]+)$#) {
34 $project = $1;
35 $action = "commit";
36 $hash = $2;
37} elsif ($url_parm =~ m#/(.+)/commitdiff/([0-9a-fA-F]+)$#) {
38 $project = $1;
39 $action = "commitdiff";
40 $hash = $2;
41} elsif ($url_parm =~ m#/(.+)/blobdiff/([0-9a-fA-F]+)/([0-9a-fA-F]+)$#) {
42 $project = $1;
43 $action = "blobdiff";
44 $hash = $2;
45 $hash_parent = $3;
46} elsif ($url_parm =~ m#/(.+)/blob/([0-9a-fA-F]+)$#) {
47 $project = $1;
48 $action = "blob";
49 $hash = $2;
50} elsif ($url_parm =~ m#/(.+)/tree/([0-9a-fA-F]+)$#) {
51 $project = $1;
52 $action = "tree";
53 $hash = $2;
54} elsif ($url_parm =~ m#/(.+)/log/([0-9]+)$#) {
55 $project = $1;
56 $action = "log";
57 $view_back = $2;
58} elsif ($url_parm =~ m#/(.+)/log$#) {
59 $project = $1;
60 $action = "log";
61 $view_back = 1;
62} elsif ($url_parm =~ m#/(.+)/rss$#) {
63 $project = $1;
64 $action = "rss";
65 $view_back = 1;
66} elsif ($url_parm =~ m#/git-logo.png$#) {
67 print $cgi->header(-type => 'image/png');
68 print "\211\120\116\107\015\012\032\012\000\000\000\015\111\110\104\122".
69 "\000\000\000\110\000\000\000\033\004\003\000\000\000\055\331\324".
70 "\055\000\000\000\030\120\114\124\105\377\377\377\140\140\135\260".
71 "\257\252\000\200\000\316\315\307\300\000\000\350\350\346\367\367".
72 "\366\225\014\247\107\000\000\000\163\111\104\101\124\050\317\143".
73 "\110\147\040\004\112\134\030\012\010\052\142\123\141\040\002\010".
74 "\015\151\105\254\241\241\001\060\014\223\140\066\046\122\221\261".
75 "\001\021\326\341\125\144\154\154\314\154\154\014\242\014\160\052".
76 "\142\006\052\301\142\035\263\001\002\123\244\010\350\000\003\030".
77 "\046\126\021\324\341\040\227\033\340\264\016\065\044\161\051\202".
78 "\231\060\270\223\012\021\271\105\210\301\215\240\242\104\041\006".
79 "\047\101\202\100\205\301\105\211\040\160\001\000\244\075\041\305".
80 "\022\034\232\376\000\000\000\000\111\105\116\104\256\102\140\202";
81 exit;
82} elsif ($url_parm =~ m#/(.+)$#) {
83 $project = $1;
84 $action = "log";
85 $view_back = 1;
86}
87# sanitize input
89$project =~ s#\/\.+##g;
90$ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/.git/objects";
92sub git_header_html {
94 print $cgi->header(-type => 'text/html; charset: utf-8');
95print <<EOF;
96<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
97<html>
98<head>
99 <title>git - $project $action</title>
100 <link rel="alternate" title="$project log" href="$myself/$project/rss" type="application/rss+xml">
101 <style type="text/css">
102 body { font-family: sans-serif; font-size: 12px; margin:25px; }
103 div.body { border-width:1px; border-style:solid; border-color:#D9D8D1; }
104 div.head1 { font-size:20px; padding:8px; background-color: #D9D8D1; font-weight:bold; }
105 div.head1 a:visited { color:#0000cc; }
106 div.head1 a:hover { color:#880000; }
107 div.head1 a:active { color:#880000; }
108 div.head2 { padding:8px; }
109 div.head2 a:visited { color:#0000cc; }
110 div.head2 a:hover { color:#880000; }
111 div.head2 a:active { color:#880000; }
112 div.shortlog { padding:8px; background-color: #D9D8D1; font-weight:bold; }
113 table { padding:0px; margin:0px; width:100%; }
114 tr { vertical-align:top; }
115 td { padding:8px; margin:0px; font-family: sans-serif; font-size: 12px; }
116 td.head1 { background-color: #D9D8D1; font-weight:bold; }
117 td.head1 a { color:#000000; text-decoration:none; }
118 td.head1 a:hover { color:#880000; text-decoration:underline; }
119 td.head1 a:visited { color:#000000; }
120 td.head2 { background-color: #EDECE6; font-family: monospace; font-size:12px; }
121 td.head3 { background-color: #EDECE6; font-size:10px; }
122 div.signed_off { color: #a9a8a1; }
123 a { color:#0000cc; }
124 a:hover { color:#880000; }
125 a:visited { color:#880000; }
126 a:active { color:#880000; }
127 pre { padding:8px; }
128 </style>
129</head>
130<body>
131EOF
132 print "<div class=\"body\">\n";
133 print "<div class=\"head1\">";
134 print "<a href=\"http://kernel.org/pub/software/scm/git/\"><img src=\"$myself/git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
135 if ($defaultprojects ne "") {
136 print $cgi->a({-href => "$myself"}, "projects") . " / ";
137 }
138 if ($project ne "") {
139 print $cgi->a({-href => "$myself/$project/log"}, $project);
140 }
141 if ($action ne "") {
142 print " / $action";
143 }
144 print "</div>\n";
145}
146sub git_footer_html {
148 print "</div>";
149 print $cgi->end_html();
150}
151sub git_head {
153 open my $fd, "$projectroot/$project/.git/HEAD";
154 my $head = <$fd>;
155 close $fd;
156 chomp $head;
157 return $head;
158}
159sub git_commit {
161 my $commit = shift;
162 my %co;
163 my @parents;
164 open my $fd, "-|", "$gitbin/cat-file", "commit", $commit;
166 while (my $line = <$fd>) {
167 chomp($line);
168 last if $line eq "";
169 if ($line =~ m/^tree (.*)$/) {
170 $co{'tree'} = $1;
171 } elsif ($line =~ m/^parent (.*)$/) {
172 push @parents, $1;
173 } elsif ($line =~ m/^committer (.*>) ([0-9]+) (.*)$/) {
174 $co{'committer'} = $1;
175 $co{'committer_time'} = $2;
176 $co{'committer_timezone'} = $3;
177 } elsif ($line =~ m/^author (.*>) ([0-9]+) (.*)$/) {
178 $co{'$author'} = $1;
179 $co{'$author_time'} = $2;
180 $co{'$author_timezone'} = $3;
181 }
182 }
183 my $shortlog = <$fd>;
184 chomp($shortlog);
185 $co{'shortlog'} = escapeHTML($shortlog);
186 my $comment = $shortlog . "<br/>";
187 while (my $line = <$fd>) {
188 chomp($line);
189 if ($line =~ m/signed-off-by:/i) {
190 $comment .= '<div class="signed_off">' . escapeHTML($line) . "<br/></div>\n";
191 } else {
192 $comment .= escapeHTML($line) . "<br/>\n";
193 }
194 }
195 $co{'comment'} = $comment;
196 close $fd;
197 return %co;
199}
200sub git_diff {
202 my $old_name = shift || "/dev/null";
203 my $new_name = shift || "/dev/null";
204 my $old = shift;
205 my $new = shift;
206 my $tmp_old = "/dev/null";
208 my $tmp_new = "/dev/null";
209 my $old_label = "/dev/null";
210 my $new_label = "/dev/null";
211 # create temp from-file
213 if ($old ne "") {
214 open my $fd2, "> $gittmp/$old";
215 open my $fd, "-|", "$gitbin/cat-file", "blob", $old;
216 while (my $line = <$fd>) {
217 print $fd2 $line;
218 }
219 close $fd2;
220 close $fd;
221 $tmp_old = "$gittmp/$old";
222 $old_label = "a/$old_name";
223 }
224 # create tmp to-file
226 if ($new ne "") {
227 open my $fd2, "> $gittmp/$new";
228 open my $fd, "-|", "$gitbin/cat-file", "blob", $new;
229 while (my $line = <$fd>) {
230 print $fd2 $line;
231 }
232 close $fd2;
233 close $fd;
234 $tmp_new = "$gittmp/$new";
235 $new_label = "b/$new_name";
236 }
237 open my $fd, "-|", "/usr/bin/diff", "-L", $old_label, "-L", $new_label, "-u", "-p", $tmp_old, $tmp_new;
239 print "<span style =\"color: #000099;\">===== ";
240 if ($old ne "") {
241 print $cgi->a({-href => "$myself/$project/blob/$old"}, $old);
242 } else {
243 print $old_name;
244 }
245 print " vs ";
246 if ($new ne "") {
247 print $cgi->a({-href => "$myself/$project/blob/$new"}, $new);
248 } else {
249 print $new_name;
250 }
251 print " =====</span>\n";
252 while (my $line = <$fd>) {
253 my $char = substr($line,0,1);
254 print '<span style ="color: #008800;">' if $char eq '+';
255 print '<span style ="color: #CC0000;">' if $char eq '-';
256 print '<span style ="color: #990099;">' if $char eq '@';
257 print escapeHTML($line);
258 print '</span>' if $char eq '+' or $char eq '-' or $char eq '@';
259 }
260 close $fd;
261 unlink("$gittmp/$new");
262 unlink("$gittmp/$old");
263}
264if ($project eq "") {
266 opendir(my $fd, "$projectroot/$defaultprojects");
267 my (@path) = grep(!/^\./, readdir($fd));
268 closedir($fd);
269 git_header_html();
270 print "<div class=\"head2\">\n";
271 print "<br/><br/>\n";
272 foreach my $line (@path) {
273 if (-e "$projectroot/$defaultprojects/$line/.git/HEAD") {
274 print $cgi->a({-href => "$myself/$defaultprojects/$line/log"}, $line) . "<br/>\n";
275 }
276 }
277 print "</div><br/>";
278 git_footer_html();
279 exit;
280}
281if ($action eq "blob") {
283 git_header_html();
284 print "<br/><br/>\n";
285 print "<pre>\n";
286 open my $fd, "-|", "$gitbin/cat-file", "blob", $hash;
287 my $nr;
288 while (my $line = <$fd>) {
289 $nr++;
290 print "$nr\t" . escapeHTML($line);;
291 }
292 close $fd;
293 print "</pre>\n";
294 print "<br/>";
295 git_footer_html();
296} elsif ($action eq "tree") {
297 if ($hash eq "") {
298 $hash = git_head();
299 }
300 open my $fd, "-|", "$gitbin/ls-tree", $hash;
301 my (@entries) = map { chomp; $_ } <$fd>;
302 close $fd;
303 git_header_html();
304 print "<br/><br/>\n";
305 print "<pre>\n";
306 foreach my $line (@entries) {
307 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
308 $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
309 my $t_type = $2;
310 my $t_hash = $3;
311 my $t_name = $4;
312 if ($t_type eq "blob") {
313 print "BLOB\t" . $cgi->a({-href => "$myself/$project/blob/$3"}, $4) . "\n";
314 } elsif ($t_type eq "tree") {
315 print "TREE\t" . $cgi->a({-href => "$myself/$project/tree/$3"}, $4) . "\n";
316 }
317 }
318 print "</pre>\n";
319 print "<br/>";
320 git_footer_html();
321} elsif ($action eq "log" || $action eq "rss") {
322 open my $fd, "-|", "$gitbin/rev-tree", git_head();
323 my (@revtree) = reverse sort map { chomp; $_ } <$fd>;
324 close $fd;
325 if ($action eq "log") {
327 git_header_html();
328 print "<div class=\"head2\">\n";
329 print "view ";
330 print $cgi->a({-href => "$myself/$project/log"}, "last day") . " | ";
331 print $cgi->a({-href => "$myself/$project/log/7"}, "week") . " | ";
332 print $cgi->a({-href => "$myself/$project/log/31"}, "month") . " | ";
333 print $cgi->a({-href => "$myself/$project/log/365"}, "year") . " | ";
334 print $cgi->a({-href => "$myself/$project/log/0"}, "all") . "<br/>\n";
335 print "<br/><br/>\n";
336 print "</div>\n";
337 print "<table cellspacing=\"0\" class=\"log\">\n";
338 } elsif ($action eq "rss") {
339 print $cgi->header(-type => 'text/xml; charset: utf-8');
340 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
341 "<rss version=\"0.91\">\n";
342 print "<channel>\n";
343 print "<title>$project</title>\n".
344 "<link> " . $cgi->url() . "/$project/log</link>\n".
345 "<description>$project log</description>\n".
346 "<language>en</language>\n";
347 }
348 for (my $i = 0; $i <= $#revtree; $i++) {
350 my $rev = $revtree[$i];
351 #foreach my $rev (@revtree) {
352 # '1114106118 755e3010ee10dadf42a8a80770e1b115fb038d9b:1 2af17b4854036a1c2ec6c101d93c8dd1ed80d24e:1'
353 last if !($rev =~ m/^([0-9]+) ([0-9a-fA-F]+).* ([0-9a-fA-F]+)/);
354 my $time = $1;
355 my $commit = $2;
356 my $parent = $3;
357 my @parents;
358 my ($author, $author_time, $author_timezone);
359 my ($committer, $committer_time, $committer_timezone);
360 my $tree;
361 my $comment;
362 my $shortlog;
363 open my $fd, "-|", "$gitbin/cat-file", "commit", $commit;
364 while (my $line = <$fd>) {
365 chomp($line);
366 last if $line eq "";
367 if ($line =~ m/^tree (.*)$/) {
368 $tree = $1;
369 } elsif ($line =~ m/^parent (.*)$/) {
370 push @parents, $1;
371 } elsif ($line =~ m/^committer (.*>) ([0-9]+) (.*)$/) {
372 $committer = $1;
373 $committer_time = $2;
374 $committer_timezone = $3;
375 } elsif ($line =~ m/^author (.*>) ([0-9]+) (.*)$/) {
376 $author = $1;
377 $author_time = $2;
378 $author_timezone = $3;
379 }
380 }
381 $shortlog = <$fd>;
382 chomp($shortlog);
383 $shortlog = escapeHTML($shortlog);
384 $comment = $shortlog . "<br/>";
385 while (my $line = <$fd>) {
386 chomp($line);
387 if ($line =~ m/signed-off-by:/i) {
388 $comment .= '<div class="signed_off">' . escapeHTML($line) . "<br/></div>\n";
389 } else {
390 $comment .= escapeHTML($line) . "<br/>\n";
391 }
392 }
393 close $fd;
394 my $age = time-$committer_time;
396 my $age_string;
397 if ($age > 60*60*24*365*2) {
398 $age_string = int $age/60/60/24/365;
399 $age_string .= " years ago";
400 } elsif ($age > 60*60*24*365/12*2) {
401 $age_string = int $age/60/60/24/365/12;
402 $age_string .= " months ago";
403 } elsif ($age > 60*60*24*7*2) {
404 $age_string = int $age/60/60/24/7;
405 $age_string .= " weeks ago";
406 } elsif ($age > 60*60*24*2) {
407 $age_string = int $age/60/60/24;
408 $age_string .= " days ago";
409 } elsif ($age > 60*60*2) {
410 $age_string = int $age/60/60;
411 $age_string .= " hours ago";
412 } elsif ($age > 60*2) {
413 $age_string = int $age/60;
414 $age_string .= " minutes ago";
415 }
416 if ($action eq "log") {
417 if ($view_back > 0 && $age > $view_back*60*60*24) {
418 if ($i == 0) {
419 print "<tr>\n";
420 print "<td class=\"head1\"> Last change $age_string. </td>\n";
421 print "</tr>\n";
422 }
423 last;
424 }
425 print "<tr>\n";
426 print "<td class=\"head1\">" . $age_string . "</td>\n";
427 print "<td class=\"head1\">" . $cgi->a({-href => "$myself/$project/commit/$commit"}, $shortlog) . "</td>";
428 print "</tr>\n";
429 print "<tr>\n";
430 print "<td class=\"head3\">";
431 print $cgi->a({-href => "$myself/$project/commitdiff/$commit"}, "view diff") . "<br/>\n";
432 print $cgi->a({-href => "$myself/$project/commit/$commit"}, "view commit") . "<br/>\n";
433 print $cgi->a({-href => "$myself/$project/tree/$tree"}, "view tree") . "<br/>\n";
434 print "</td>\n";
435 print "<td class=\"head2\">\n";
436 print "author " . escapeHTML($author) . " [" . gmtime($author_time) . " " . $author_timezone . "]<br/>\n";
437 print "committer " . escapeHTML($committer) . " [" . gmtime($committer_time) . " " . $committer_timezone . "]<br/>\n";
438 print "commit $commit<br/>\n";
439 print "tree $tree<br/>\n";
440 foreach my $par (@parents) {
441 print "parent $par<br/>\n";
442 }
443 print "</td>";
444 print "</tr>\n";
445 print "<tr>\n";
446 print "<td></td>\n";
447 print "<td>\n";
448 print "$comment<br/><br/>\n";
449 print "</td>";
450 print "</tr>\n";
451 } elsif ($action eq "rss") {
452 last if ($i >= 12);
453 print "<item>\n\t<title>$age_string: $shortlog</title>\n";
454 print "\t<link> " . $cgi->url() . "/$project/commit/$commit</link>\n";
455 print "</item>\n";
456 }
457 }
458 if ($action eq "log") {
459 print "</table>\n";
460 git_footer_html();
461 } elsif ($action eq "rss") {
462 print "</channel></rss>";
463 }
464} elsif ($action eq "commit") {
465 my $parent = "";
466 open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
467 while (my $line = <$fd>) {
468 chomp($line);
469 last if $line eq "";
470 if ($line =~ m/^parent (.*)$/ && $parent eq "") {
471 $parent = $1;
472 }
473 }
474 my $shortlog = <$fd>;
475 $shortlog = escapeHTML($shortlog);
476 close $fd;
477 open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
479 my (@difftree) = map { chomp; $_ } <$fd>;
480 close $fd;
481 git_header_html();
483 print "<div class=\"head2\">\n";
484 print "view " . $cgi->a({-href => "$myself/$project/commitdiff/$hash"}, "diff") . "</div><br/><br/>\n";
485 print "<div class=\"shortlog\">$shortlog<br/></div>\n";
486 print "<pre>\n";
487 foreach my $line (@difftree) {
488 # '*100644->100644 blob 9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596 net/ipv4/route.c'
489 # '+100644 blob 4a83ab6cd565d21ab0385bac6643826b83c2fcd4 arch/arm/lib/bitops.h'
490 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
491 my $op = $1;
492 my $mode = $2;
493 my $type = $3;
494 my $id = $4;
495 my $file = $5;
496 if ($type eq "blob") {
497 if ($op eq "+") {
498 print "added\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
499 } elsif ($op eq "-") {
500 print "removed\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
501 } elsif ($op eq "*") {
502 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
503 my $old = $1;
504 my $new = $2;
505 print "changed\t" . $cgi->a({-href => "$myself/$project/blobdiff/$old/$new"}, $file) . "\n";
506 }
507 }
508 }
509 print "</pre>\n";
510 print "<br/>";
511 git_footer_html();
512} elsif ($action eq "blobdiff") {
513 git_header_html();
514 print "<br/><br/>\n";
515 print "<pre>\n";
516 git_diff($hash, $hash_parent, $hash, $hash_parent);
517 print "</pre>\n";
518 print "<br/>";
519 git_footer_html();
520} elsif ($action eq "commitdiff") {
521 my $parent = "";
522 open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
523 while (my $line = <$fd>) {
524 chomp($line);
525 last if $line eq "";
526 if ($line =~ m/^parent (.*)$/ && $parent eq "") {
527 $parent = $1;
528 }
529 }
530 my $shortlog = <$fd>;
531 $shortlog = escapeHTML($shortlog);
532 close $fd;
533 open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
535 my (@difftree) = map { chomp; $_ } <$fd>;
536 close $fd;
537 git_header_html();
539 print "<div class=\"head2\">\n";
540 print "view " . $cgi->a({-href => "$myself/$project/commit/$hash"}, "commit") . "</div><br/><br/>\n";
541 print "<div class=\"shortlog\">$shortlog<br/></div>\n";
542 print "<pre>\n";
543 foreach my $line (@difftree) {
544 # '*100644->100644 blob 8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154 Makefile'
545 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
546 my $op = $1;
547 my $mode = $2;
548 my $type = $3;
549 my $id = $4;
550 my $file = $5;
551 if ($type eq "blob") {
552 if ($op eq "+") {
553 git_diff("", $file, "", $id);
554 } elsif ($op eq "-") {
555 git_diff($file, "", $id, "");
556 } elsif ($op eq "*") {
557 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
558 git_diff($file, $file, $1, $2);
559 }
560 }
561 }
562 print "</pre>\n";
563 print "<br/>";
564 git_footer_html();
565}