284a1588ea474867c4037a7cb12e0ebb6a5430fd
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.title { 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 $co{'parents'} = \@parents;
184 my (@comment) = map { chomp; $_ } <$fd>;
185 $co{'comment'} = \@comment;
186 $co{'title'} = $comment[0];
187 close $fd;
188 return %co;
189}
190sub git_diff {
192 my $old_name = shift || "/dev/null";
193 my $new_name = shift || "/dev/null";
194 my $old = shift;
195 my $new = shift;
196 my $tmp_old = "/dev/null";
198 my $tmp_new = "/dev/null";
199 my $old_label = "/dev/null";
200 my $new_label = "/dev/null";
201 # create temp from-file
203 if ($old ne "") {
204 open my $fd2, "> $gittmp/$old";
205 open my $fd, "-|", "$gitbin/cat-file", "blob", $old;
206 while (my $line = <$fd>) {
207 print $fd2 $line;
208 }
209 close $fd2;
210 close $fd;
211 $tmp_old = "$gittmp/$old";
212 $old_label = "a/$old_name";
213 }
214 # create tmp to-file
216 if ($new ne "") {
217 open my $fd2, "> $gittmp/$new";
218 open my $fd, "-|", "$gitbin/cat-file", "blob", $new;
219 while (my $line = <$fd>) {
220 print $fd2 $line;
221 }
222 close $fd2;
223 close $fd;
224 $tmp_new = "$gittmp/$new";
225 $new_label = "b/$new_name";
226 }
227 open my $fd, "-|", "/usr/bin/diff", "-L", $old_label, "-L", $new_label, "-u", "-p", $tmp_old, $tmp_new;
229 print "<span style =\"color: #000099;\">===== ";
230 if ($old ne "") {
231 print $cgi->a({-href => "$myself/$project/blob/$old"}, $old);
232 } else {
233 print $old_name;
234 }
235 print " vs ";
236 if ($new ne "") {
237 print $cgi->a({-href => "$myself/$project/blob/$new"}, $new);
238 } else {
239 print $new_name;
240 }
241 print " =====</span>\n";
242 while (my $line = <$fd>) {
243 my $char = substr($line,0,1);
244 print '<span style ="color: #008800;">' if $char eq '+';
245 print '<span style ="color: #CC0000;">' if $char eq '-';
246 print '<span style ="color: #990099;">' if $char eq '@';
247 print escapeHTML($line);
248 print '</span>' if $char eq '+' or $char eq '-' or $char eq '@';
249 }
250 close $fd;
251 unlink("$gittmp/$new");
252 unlink("$gittmp/$old");
253}
254if ($project eq "") {
256 opendir(my $fd, "$projectroot/$defaultprojects");
257 my (@path) = grep(!/^\./, readdir($fd));
258 closedir($fd);
259 git_header_html();
260 print "<div class=\"head2\">\n";
261 print "<br/><br/>\n";
262 foreach my $line (@path) {
263 if (-e "$projectroot/$defaultprojects/$line/.git/HEAD") {
264 print $cgi->a({-href => "$myself/$defaultprojects/$line/log"}, $line) . "<br/>\n";
265 }
266 }
267 print "</div><br/>";
268 git_footer_html();
269 exit;
270}
271if ($action eq "blob") {
273 git_header_html();
274 print "<br/><br/>\n";
275 print "<pre>\n";
276 open my $fd, "-|", "$gitbin/cat-file", "blob", $hash;
277 my $nr;
278 while (my $line = <$fd>) {
279 $nr++;
280 print "$nr\t" . escapeHTML($line);;
281 }
282 close $fd;
283 print "</pre>\n";
284 print "<br/>";
285 git_footer_html();
286} elsif ($action eq "tree") {
287 if ($hash eq "") {
288 $hash = git_head();
289 }
290 open my $fd, "-|", "$gitbin/ls-tree", $hash;
291 my (@entries) = map { chomp; $_ } <$fd>;
292 close $fd;
293 git_header_html();
294 print "<br/><br/>\n";
295 print "<pre>\n";
296 foreach my $line (@entries) {
297 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
298 $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
299 my $t_type = $2;
300 my $t_hash = $3;
301 my $t_name = $4;
302 if ($t_type eq "blob") {
303 print "BLOB\t" . $cgi->a({-href => "$myself/$project/blob/$3"}, $4) . "\n";
304 } elsif ($t_type eq "tree") {
305 print "TREE\t" . $cgi->a({-href => "$myself/$project/tree/$3"}, $4) . "\n";
306 }
307 }
308 print "</pre>\n";
309 print "<br/>";
310 git_footer_html();
311} elsif ($action eq "log" || $action eq "rss") {
312 open my $fd, "-|", "$gitbin/rev-tree", git_head();
313 my (@revtree) = reverse sort map { chomp; $_ } <$fd>;
314 close $fd;
315 if ($action eq "log") {
317 git_header_html();
318 print "<div class=\"head2\">\n";
319 print "view ";
320 print $cgi->a({-href => "$myself/$project/log"}, "last day") . " | ";
321 print $cgi->a({-href => "$myself/$project/log/7"}, "week") . " | ";
322 print $cgi->a({-href => "$myself/$project/log/31"}, "month") . " | ";
323 print $cgi->a({-href => "$myself/$project/log/365"}, "year") . " | ";
324 print $cgi->a({-href => "$myself/$project/log/0"}, "all") . "<br/>\n";
325 print "<br/><br/>\n";
326 print "</div>\n";
327 print "<table cellspacing=\"0\" class=\"log\">\n";
328 } elsif ($action eq "rss") {
329 print $cgi->header(-type => 'text/xml; charset: utf-8');
330 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
331 "<rss version=\"0.91\">\n";
332 print "<channel>\n";
333 print "<title>$project</title>\n".
334 "<link> " . $cgi->url() . "/$project/log</link>\n".
335 "<description>$project log</description>\n".
336 "<language>en</language>\n";
337 }
338 for (my $i = 0; $i <= $#revtree; $i++) {
340 my $rev = $revtree[$i];
341 #foreach my $rev (@revtree) {
342 # '1114106118 755e3010ee10dadf42a8a80770e1b115fb038d9b:1 2af17b4854036a1c2ec6c101d93c8dd1ed80d24e:1'
343 last if !($rev =~ m/^([0-9]+) ([0-9a-fA-F]+).* ([0-9a-fA-F]+)/);
344 my $time = $1;
345 my $commit = $2;
346 my $parent = $3;
347 my %co = git_commit($commit);
349 my $age = time - $co{'committer_time'};
350 my $age_string;
351 if ($age > 60*60*24*365*2) {
352 $age_string = int $age/60/60/24/365;
353 $age_string .= " years ago";
354 } elsif ($age > 60*60*24*365/12*2) {
355 $age_string = int $age/60/60/24/365/12;
356 $age_string .= " months ago";
357 } elsif ($age > 60*60*24*7*2) {
358 $age_string = int $age/60/60/24/7;
359 $age_string .= " weeks ago";
360 } elsif ($age > 60*60*24*2) {
361 $age_string = int $age/60/60/24;
362 $age_string .= " days ago";
363 } elsif ($age > 60*60*2) {
364 $age_string = int $age/60/60;
365 $age_string .= " hours ago";
366 } elsif ($age > 60*2) {
367 $age_string = int $age/60;
368 $age_string .= " minutes ago";
369 }
370 if ($action eq "log") {
371 if ($view_back > 0 && $age > $view_back*60*60*24) {
372 if ($i == 0) {
373 print "<tr>\n";
374 print "<td class=\"head1\"> Last change $age_string. </td>\n";
375 print "</tr>\n";
376 }
377 last;
378 }
379 print "<tr>\n";
380 print "<td class=\"head1\">" . $age_string . "</td>\n";
381 print "<td class=\"head1\">" . $cgi->a({-href => "$myself/$project/commit/$commit"}, $co{'title'}) . "</td>";
382 print "</tr>\n";
383 print "<tr>\n";
384 print "<td class=\"head3\">";
385 print $cgi->a({-href => "$myself/$project/commitdiff/$commit"}, "view diff") . "<br/>\n";
386 print $cgi->a({-href => "$myself/$project/commit/$commit"}, "view commit") . "<br/>\n";
387 print $cgi->a({-href => "$myself/$project/tree/$co{'tree'}"}, "view tree") . "<br/>\n";
388 print "</td>\n";
389 print "<td class=\"head2\">\n";
390 print "author " . escapeHTML($co{'author'}) . " [" . gmtime($co{'author_time'}) . " " . $co{'author_timezone'} . "]<br/>\n";
391 print "committer " . escapeHTML($co{'committer'}) . " [" . gmtime($co{'committer_time'}) . " " . $co{'committer_timezone'} . "]<br/>\n";
392 print "commit $commit<br/>\n";
393 print "tree $co{'tree'}<br/>\n";
394 my $parents = $co{'parents'};
395 foreach my $par (@$parents) {
396 print "parent $par<br/>\n";
397 }
398 print "</td>";
399 print "</tr>\n";
400 print "<tr>\n";
401 print "<td></td>\n";
402 print "<td>\n";
403 my $comment = $co{'comment'};
404 foreach my $line (@$comment) {
405 if ($line =~ m/signed-off-by:/i) {
406 print '<div class="signed_off">' . escapeHTML($line) . "<br/></div>\n";
407 } else {
408 print escapeHTML($line) . "<br/>\n";
409 }
410 }
411 print "<br/><br/>\n";
412 print "</td>";
413 print "</tr>\n";
414 } elsif ($action eq "rss") {
415 last if ($i >= 12);
416 print "<item>\n\t<title>$age_string: " . escapeHTML($co{'title'}) . "</title>\n";
417 print "\t<link> " . $cgi->url() . "/$project/commit/$commit</link>\n";
418 print "</item>\n";
419 }
420 }
421 if ($action eq "log") {
422 print "</table>\n";
423 git_footer_html();
424 } elsif ($action eq "rss") {
425 print "</channel></rss>";
426 }
427} elsif ($action eq "commit") {
428 my $parent = "";
429 open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
430 while (my $line = <$fd>) {
431 chomp($line);
432 last if $line eq "";
433 if ($line =~ m/^parent (.*)$/ && $parent eq "") {
434 $parent = $1;
435 }
436 }
437 my $title = <$fd>;
438 $title = escapeHTML($title);
439 close $fd;
440 open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
442 my (@difftree) = map { chomp; $_ } <$fd>;
443 close $fd;
444 git_header_html();
446 print "<div class=\"head2\">\n";
447 print "view " . $cgi->a({-href => "$myself/$project/commitdiff/$hash"}, "diff") . "</div><br/><br/>\n";
448 print "<div class=\"title\">$title<br/></div>\n";
449 print "<pre>\n";
450 foreach my $line (@difftree) {
451 # '*100644->100644 blob 9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596 net/ipv4/route.c'
452 # '+100644 blob 4a83ab6cd565d21ab0385bac6643826b83c2fcd4 arch/arm/lib/bitops.h'
453 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
454 my $op = $1;
455 my $mode = $2;
456 my $type = $3;
457 my $id = $4;
458 my $file = $5;
459 if ($type eq "blob") {
460 if ($op eq "+") {
461 print "added\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
462 } elsif ($op eq "-") {
463 print "removed\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
464 } elsif ($op eq "*") {
465 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
466 my $old = $1;
467 my $new = $2;
468 print "changed\t" . $cgi->a({-href => "$myself/$project/blobdiff/$old/$new"}, $file) . "\n";
469 }
470 }
471 }
472 print "</pre>\n";
473 print "<br/>";
474 git_footer_html();
475} elsif ($action eq "blobdiff") {
476 git_header_html();
477 print "<br/><br/>\n";
478 print "<pre>\n";
479 git_diff($hash, $hash_parent, $hash, $hash_parent);
480 print "</pre>\n";
481 print "<br/>";
482 git_footer_html();
483} elsif ($action eq "commitdiff") {
484 my $parent = "";
485 open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
486 while (my $line = <$fd>) {
487 chomp($line);
488 last if $line eq "";
489 if ($line =~ m/^parent (.*)$/ && $parent eq "") {
490 $parent = $1;
491 }
492 }
493 my $title = <$fd>;
494 $title = escapeHTML($title);
495 close $fd;
496 open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
498 my (@difftree) = map { chomp; $_ } <$fd>;
499 close $fd;
500 git_header_html();
502 print "<div class=\"head2\">\n";
503 print "view " . $cgi->a({-href => "$myself/$project/commit/$hash"}, "commit") . "</div><br/><br/>\n";
504 print "<div class=\"title\">$title<br/></div>\n";
505 print "<pre>\n";
506 foreach my $line (@difftree) {
507 # '*100644->100644 blob 8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154 Makefile'
508 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
509 my $op = $1;
510 my $mode = $2;
511 my $type = $3;
512 my $id = $4;
513 my $file = $5;
514 if ($type eq "blob") {
515 if ($op eq "+") {
516 git_diff("", $file, "", $id);
517 } elsif ($op eq "-") {
518 git_diff($file, "", $id, "");
519 } elsif ($op eq "*") {
520 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
521 git_diff($file, $file, $1, $2);
522 }
523 }
524 }
525 print "</pre>\n";
526 print "<br/>";
527 git_footer_html();
528}