dd5fbdc2a8aa4cef297dc464a0e5e1e9ec9a8962
1#!/usr/bin/perl
2
3# 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
11
12use strict;
13use warnings;
14use CGI qw(:standard :escapeHTML);
15use CGI::Carp qw(fatalsToBrowser);
16
17my $projectroot = "/home/kay/public_html";
18my $defaultprojects = ".";
19my $gitbin = "/home/kay/bin/git";
20my $gittmp = "/tmp";
21
22my $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/.*$myself//;
31
32# get values from url
33if ($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 $view_back = 1;
86}
87
88# sanitize input
89$project =~ s#\/\.+##g;
90
91$ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/.git/objects";
92
93sub 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}
146
147sub git_footer_html {
148 print "</div>";
149 print $cgi->end_html();
150}
151
152sub git_head {
153 open my $fd, "$projectroot/$project/.git/HEAD";
154 my $head = <$fd>;
155 close $fd;
156 chomp $head;
157 return $head;
158}
159
160sub git_diff {
161 my $old_name = shift || "/dev/null";
162 my $new_name = shift || "/dev/null";
163 my $old = shift;
164 my $new = shift;
165
166 my $tmp_old = "/dev/null";
167 my $tmp_new = "/dev/null";
168 my $old_label = "/dev/null";
169 my $new_label = "/dev/null";
170
171 # create temp from-file
172 if ($old ne "") {
173 open my $fd2, "> $gittmp/$old";
174 open my $fd, "-|", "$gitbin/cat-file", "blob", $old;
175 while (my $line = <$fd>) {
176 print $fd2 $line;
177 }
178 close $fd2;
179 close $fd;
180 $tmp_old = "$gittmp/$old";
181 $old_label = "a/$old_name";
182 }
183
184 # create tmp to-file
185 if ($new ne "") {
186 open my $fd2, "> $gittmp/$new";
187 open my $fd, "-|", "$gitbin/cat-file", "blob", $new;
188 while (my $line = <$fd>) {
189 print $fd2 $line;
190 }
191 close $fd2;
192 close $fd;
193 $tmp_new = "$gittmp/$new";
194 $new_label = "b/$new_name";
195 }
196
197 open my $fd, "-|", "/usr/bin/diff", "-L", $old_label, "-L", $new_label, "-u", "-p", $tmp_old, $tmp_new;
198 print "<span style =\"color: #000099;\">===== ";
199 if ($old ne "") {
200 print $cgi->a({-href => "$myself/$project/blob/$old"}, $old);
201 } else {
202 print $old_name;
203 }
204 print " vs ";
205 if ($new ne "") {
206 print $cgi->a({-href => "$myself/$project/blob/$new"}, $new);
207 } else {
208 print $new_name;
209 }
210 print " =====</span>\n";
211 while (my $line = <$fd>) {
212 my $char = substr($line,0,1);
213 print '<span style ="color: #008800;">' if $char eq '+';
214 print '<span style ="color: #CC0000;">' if $char eq '-';
215 print '<span style ="color: #990099;">' if $char eq '@';
216 print escapeHTML($line);
217 print '</span>' if $char eq '+' or $char eq '-' or $char eq '@';
218 }
219 close $fd;
220 unlink("$gittmp/$new");
221 unlink("$gittmp/$old");
222}
223
224if ($project eq "") {
225 opendir(my $fd, "$projectroot/$defaultprojects");
226 my (@path) = grep(!/^\./, readdir($fd));
227 closedir($fd);
228 git_header_html();
229 print "<div class=\"head2\">\n";
230 print "<br/><br/>\n";
231 foreach my $line (@path) {
232 if (-e "$projectroot/$defaultprojects/$line/.git/HEAD") {
233 print $cgi->a({-href => "$myself/$defaultprojects/$line/log"}, $line) . "<br/>\n";
234 }
235 }
236 print "</div><br/>";
237 git_footer_html();
238 exit;
239}
240
241if ($action eq "blob") {
242 git_header_html();
243 print "<br/><br/>\n";
244 print "<pre>\n";
245 open my $fd, "-|", "$gitbin/cat-file", "blob", $hash;
246 my $nr;
247 while (my $line = <$fd>) {
248 $nr++;
249 print "$nr\t" . escapeHTML($line);;
250 }
251 close $fd;
252 print "</pre>\n";
253 print "<br/>";
254 git_footer_html();
255} elsif ($action eq "tree") {
256 if ($hash eq "") {
257 $hash = git_head();
258 }
259 open my $fd, "-|", "$gitbin/ls-tree", $hash;
260 my (@entries) = map { chomp; $_ } <$fd>;
261 close $fd;
262 git_header_html();
263 print "<br/><br/>\n";
264 print "<pre>\n";
265 foreach my $line (@entries) {
266 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
267 $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
268 my $t_type = $2;
269 my $t_hash = $3;
270 my $t_name = $4;
271 if ($t_type eq "blob") {
272 print "BLOB\t" . $cgi->a({-href => "$myself/$project/blob/$3"}, $4) . "\n";
273 } elsif ($t_type eq "tree") {
274 print "TREE\t" . $cgi->a({-href => "$myself/$project/tree/$3"}, $4) . "\n";
275 }
276 }
277 print "</pre>\n";
278 print "<br/>";
279 git_footer_html();
280} elsif ($action eq "log" || $action eq "rss") {
281 open my $fd, "-|", "$gitbin/rev-tree", git_head();
282 my (@revtree) = reverse sort map { chomp; $_ } <$fd>;
283 close $fd;
284
285 if ($action eq "log") {
286 git_header_html();
287 print "<div class=\"head2\">\n";
288 print "view ";
289 print $cgi->a({-href => "$myself/$project/log"}, "last day") . " | ";
290 print $cgi->a({-href => "$myself/$project/log/7"}, "week") . " | ";
291 print $cgi->a({-href => "$myself/$project/log/31"}, "month") . " | ";
292 print $cgi->a({-href => "$myself/$project/log/365"}, "year") . " | ";
293 print $cgi->a({-href => "$myself/$project/log/0"}, "all") . "<br/>\n";
294 print "<br/><br/>\n";
295 print "</div>\n";
296 print "<table cellspacing=\"0\" class=\"log\">\n";
297 } elsif ($action eq "rss") {
298 print $cgi->header(-type => 'text/xml; charset: utf-8');
299 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
300 "<rss version=\"0.91\">\n";
301 print "<channel>\n";
302 print "<title>$project</title>\n".
303 "<link> " . $cgi->url() . "/$project/log</link>\n".
304 "<description>$project log</description>\n".
305 "<language>en</language>\n";
306 }
307
308 for (my $i = 0; $i <= $#revtree; $i++) {
309 my $rev = $revtree[$i];
310 #foreach my $rev (@revtree) {
311 # '1114106118 755e3010ee10dadf42a8a80770e1b115fb038d9b:1 2af17b4854036a1c2ec6c101d93c8dd1ed80d24e:1'
312 last if !($rev =~ m/^([0-9]+) ([0-9a-fA-F]+).* ([0-9a-fA-F]+)/);
313 my $time = $1;
314 my $commit = $2;
315 my $parent = $3;
316 my @parents;
317 my ($author, $author_time, $author_timezone);
318 my ($committer, $committer_time, $committer_timezone);
319 my $tree;
320 my $comment;
321 my $shortlog;
322 open my $fd, "-|", "$gitbin/cat-file", "commit", $commit;
323 while (my $line = <$fd>) {
324 chomp($line);
325 last if $line eq "";
326 if ($line =~ m/^tree (.*)$/) {
327 $tree = $1;
328 } elsif ($line =~ m/^parent (.*)$/) {
329 push @parents, $1;
330 } elsif ($line =~ m/^committer (.*>) ([0-9]+) (.*)$/) {
331 $committer = $1;
332 $committer_time = $2;
333 $committer_timezone = $3;
334 } elsif ($line =~ m/^author (.*>) ([0-9]+) (.*)$/) {
335 $author = $1;
336 $author_time = $2;
337 $author_timezone = $3;
338 }
339 }
340 $shortlog = <$fd>;
341 chomp($shortlog);
342 $shortlog = escapeHTML($shortlog);
343 $comment = $shortlog . "<br/>";
344 while (my $line = <$fd>) {
345 chomp($line);
346 if ($line =~ m/signed-off-by:/i) {
347 $comment .= '<div class="signed_off">' . escapeHTML($line) . "<br/></div>\n";
348 } else {
349 $comment .= escapeHTML($line) . "<br/>\n";
350 }
351 }
352 close $fd;
353
354 my $age = time-$committer_time;
355 my $age_string;
356 if ($age > 60*60*24*365*2) {
357 $age_string = int $age/60/60/24/365;
358 $age_string .= " years ago";
359 } elsif ($age > 60*60*24*365/12*2) {
360 $age_string = int $age/60/60/24/365/12;
361 $age_string .= " months ago";
362 } elsif ($age > 60*60*24*7*2) {
363 $age_string = int $age/60/60/24/7;
364 $age_string .= " weeks ago";
365 } elsif ($age > 60*60*24*2) {
366 $age_string = int $age/60/60/24;
367 $age_string .= " days ago";
368 } elsif ($age > 60*60*2) {
369 $age_string = int $age/60/60;
370 $age_string .= " hours ago";
371 } elsif ($age > 60*2) {
372 $age_string = int $age/60;
373 $age_string .= " minutes ago";
374 }
375 if ($action eq "log") {
376 if ($view_back > 0 && $age > $view_back*60*60*24) {
377 if ($i == 0) {
378 print "<tr>\n";
379 print "<td class=\"head1\"> Last change $age_string. </td>\n";
380 print "</tr>\n";
381 }
382 last;
383 }
384 print "<tr>\n";
385 print "<td class=\"head1\">" . $age_string . "</td>\n";
386 print "<td class=\"head1\">" . $cgi->a({-href => "$myself/$project/commit/$commit"}, $shortlog) . "</td>";
387 print "</tr>\n";
388 print "<tr>\n";
389 print "<td class=\"head3\">";
390 print $cgi->a({-href => "$myself/$project/commitdiff/$commit"}, "view diff") . "<br/>\n";
391 print $cgi->a({-href => "$myself/$project/commit/$commit"}, "view commit") . "<br/>\n";
392 print $cgi->a({-href => "$myself/$project/tree/$tree"}, "view tree") . "<br/>\n";
393 print "</td>\n";
394 print "<td class=\"head2\">\n";
395 print "author " . escapeHTML($author) . " [" . gmtime($author_time) . " " . $author_timezone . "]<br/>\n";
396 print "committer " . escapeHTML($committer) . " [" . gmtime($committer_time) . " " . $committer_timezone . "]<br/>\n";
397 print "commit $commit<br/>\n";
398 print "tree $tree<br/>\n";
399 foreach my $par (@parents) {
400 print "parent $par<br/>\n";
401 }
402 print "</td>";
403 print "</tr>\n";
404 print "<tr>\n";
405 print "<td></td>\n";
406 print "<td>\n";
407 print "$comment<br/><br/>\n";
408 print "</td>";
409 print "</tr>\n";
410 } elsif ($action eq "rss") {
411 if ($i < 12) {
412 print "<item>\n\t<title>$age_string: $shortlog</title>\n";
413 print "\t<link> " . $cgi->url() . "/$project/commit/$commit</link>\n";
414 print "</item>\n";
415 }
416 }
417 }
418 if ($action eq "log") {
419 print "</table>\n";
420 git_footer_html();
421 } elsif ($action eq "rss") {
422 print "</channel></rss>";
423 }
424} elsif ($action eq "commit") {
425 my $parent = "";
426 open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
427 while (my $line = <$fd>) {
428 chomp($line);
429 last if $line eq "";
430 if ($line =~ m/^parent (.*)$/ && $parent eq "") {
431 $parent = $1;
432 }
433 }
434 my $shortlog = <$fd>;
435 $shortlog = escapeHTML($shortlog);
436 close $fd;
437
438 open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
439 my (@difftree) = map { chomp; $_ } <$fd>;
440 close $fd;
441
442 git_header_html();
443 print "<div class=\"head2\">\n";
444 print "view " . $cgi->a({-href => "$myself/$project/commitdiff/$hash"}, "diff") . "</div><br/><br/>\n";
445 print "<div class=\"shortlog\">$shortlog<br/></div>\n";
446 print "<pre>\n";
447 foreach my $line (@difftree) {
448 # '*100644->100644 blob 9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596 net/ipv4/route.c'
449 # '+100644 blob 4a83ab6cd565d21ab0385bac6643826b83c2fcd4 arch/arm/lib/bitops.h'
450 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
451 my $op = $1;
452 my $mode = $2;
453 my $type = $3;
454 my $id = $4;
455 my $file = $5;
456 if ($type eq "blob") {
457 if ($op eq "+") {
458 print "added\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
459 } elsif ($op eq "-") {
460 print "removed\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
461 } elsif ($op eq "*") {
462 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
463 my $old = $1;
464 my $new = $2;
465 print "changed\t" . $cgi->a({-href => "$myself/$project/blobdiff/$old/$new"}, $file) . "\n";
466 }
467 }
468 }
469 print "</pre>\n";
470 print "<br/>";
471 git_footer_html();
472} elsif ($action eq "blobdiff") {
473 git_header_html();
474 print "<br/><br/>\n";
475 print "<pre>\n";
476 git_diff($hash, $hash_parent, $hash, $hash_parent);
477 print "</pre>\n";
478 print "<br/>";
479 git_footer_html();
480} elsif ($action eq "commitdiff") {
481 my $parent = "";
482 open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
483 while (my $line = <$fd>) {
484 chomp($line);
485 last if $line eq "";
486 if ($line =~ m/^parent (.*)$/ && $parent eq "") {
487 $parent = $1;
488 }
489 }
490 my $shortlog = <$fd>;
491 $shortlog = escapeHTML($shortlog);
492 close $fd;
493
494 open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
495 my (@difftree) = map { chomp; $_ } <$fd>;
496 close $fd;
497
498 git_header_html();
499 print "<div class=\"head2\">\n";
500 print "view " . $cgi->a({-href => "$myself/$project/commit/$hash"}, "commit") . "</div><br/><br/>\n";
501 print "<div class=\"shortlog\">$shortlog<br/></div>\n";
502 print "<pre>\n";
503 foreach my $line (@difftree) {
504 # '*100644->100644 blob 8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154 Makefile'
505 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
506 my $op = $1;
507 my $mode = $2;
508 my $type = $3;
509 my $id = $4;
510 my $file = $5;
511 if ($type eq "blob") {
512 if ($op eq "+") {
513 git_diff("", $file, "", $id);
514 } elsif ($op eq "-") {
515 git_diff($file, "", $id, "");
516 } elsif ($op eq "*") {
517 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
518 git_diff($file, $file, $1, $2);
519 }
520 }
521 }
522 print "</pre>\n";
523 print "<br/>";
524 git_footer_html();
525}