b1a9b661fb0beebcaaef8e83f40910ecb34d1015
1#!/usr/bin/perl
2
3# gitweb.pl - simple web interface to track changes in git repositories
4#
5# Version 016
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 $gitbin = "/home/kay/bin/git"; # path to the git executables
18my $gitroot = "/home/kay/public_html"; # path to the git repositories
19my $gittmp = "/tmp"; # temporary files location
20
21my $cgi = new CGI;
22my $project = "";
23my $action = "";
24my $hash = "";
25my $hash_parent = "";
26my $view_back;
27my $myself = $cgi->url(-absolute => 1);
28my $url_parm = $cgi->url(-path => 1);
29$url_parm =~ s/.*$myself//;
30
31# get values from url
32if ($url_parm =~ m#/([^/]+)/commit/([0-9a-fA-F]+)$#) {
33 $project = $1;
34 $action = "commit";
35 $hash = $2;
36} elsif ($url_parm =~ m#/([^/]+)/treediff/([0-9a-fA-F]+)$#) {
37 $project = $1;
38 $action = "treediff";
39 $hash = $2;
40} elsif ($url_parm =~ m#/([^/]+)/diff/([0-9a-fA-F]+)/([0-9a-fA-F]+)$#) {
41 $project = $1;
42 $action = "diff";
43 $hash = $2;
44 $hash_parent = $3;
45} elsif ($url_parm =~ m#/([^/]+)/blob/([0-9a-fA-F]+)$#) {
46 $project = $1;
47 $action = "blob";
48 $hash = $2;
49} elsif ($url_parm =~ m#/([^/]+)/tree/([0-9a-fA-F]+)$#) {
50 $project = $1;
51 $action = "tree";
52 $hash = $2;
53} elsif ($url_parm =~ m#/([^/]+)/log/([0-9]+)$#) {
54 $project = $1;
55 $action = "log";
56 $view_back = $2;
57} elsif ($url_parm =~ m#/([^/]+)/log$#) {
58 $project = $1;
59 $action = "log";
60 $view_back = 1;
61} elsif ($url_parm =~ m#/git-logo.png$#) {
62 print $cgi->header(-type => 'image/png');
63 print "\211\120\116\107\015\012\032\012\000\000\000\015\111\110\104\122".
64 "\000\000\000\110\000\000\000\033\004\003\000\000\000\055\331\324".
65 "\055\000\000\000\030\120\114\124\105\377\377\377\140\140\135\260".
66 "\257\252\000\200\000\316\315\307\300\000\000\350\350\346\367\367".
67 "\366\225\014\247\107\000\000\000\163\111\104\101\124\050\317\143".
68 "\110\147\040\004\112\134\030\012\010\052\142\123\141\040\002\010".
69 "\015\151\105\254\241\241\001\060\014\223\140\066\046\122\221\261".
70 "\001\021\326\341\125\144\154\154\314\154\154\014\242\014\160\052".
71 "\142\006\052\301\142\035\263\001\002\123\244\010\350\000\003\030".
72 "\046\126\021\324\341\040\227\033\340\264\016\065\044\161\051\202".
73 "\231\060\270\223\012\021\271\105\210\301\215\240\242\104\041\006".
74 "\047\101\202\100\205\301\105\211\040\160\001\000\244\075\041\305".
75 "\022\034\232\376\000\000\000\000\111\105\116\104\256\102\140\202";
76 exit;
77} elsif ($url_parm =~ m#/([^/]+)$#) {
78 $project = $1;
79 $action = "log";
80 $view_back = 1;
81}
82
83# sanitize input
84$hash =~ s/[^0-9a-fA-F]//g;
85$hash_parent =~ s/[^0-9a-fA-F]//g;
86$project =~ s/[^0-9a-zA-Z\-\._]//g;
87
88my $projectroot = "$gitroot/$project";
89$ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/.git/objects";
90
91sub git_header {
92 print $cgi->header(-type => 'text/html; charset: utf-8');
93print <<EOF;
94<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
95<html>
96<head>
97 <title>git - $project $action</title>
98 <style type="text/css">
99 body { font-family: sans-serif; font-size: 12px; margin:25px; }
100 div.body { border-width:1px; border-style:solid; border-color:#D9D8D1; }
101 div.head1 { font-size:20px; padding:8px; background-color: #D9D8D1; font-weight:bold; }
102 div.head1 a:visited { color:#0000cc; }
103 div.head1 a:hover { color:#880000; }
104 div.head1 a:active { color:#880000; }
105 div.head2 { padding:8px; }
106 div.head2 a:visited { color:#0000cc; }
107 div.head2 a:hover { color:#880000; }
108 div.head2 a:active { color:#880000; }
109 div.main { padding:8px; font-family: sans-serif; font-size: 12px; }
110 div.shortlog { padding:8px; background-color: #D9D8D1; font-weight:bold; }
111 table { padding:0px; margin:0px; width:100%; }
112 tr { vertical-align:top; }
113 td { padding:8px; margin:0px; font-family: sans-serif; font-size: 12px; }
114 td.head1 { background-color: #D9D8D1; font-weight:bold; }
115 td.head1 a { color:#000000; text-decoration:none; }
116 td.head1 a:hover { color:#880000; text-decoration:underline; }
117 td.head1 a:visited { color:#000000; }
118 td.head2 { background-color: #EDECE6; font-family: monospace; font-size:12px; }
119 td.head3 { background-color: #EDECE6; font-size:10px; }
120 div.signed_off { color: #a9a8a1; }
121 a { color:#0000cc; }
122 a:hover { color:#880000; }
123 a:visited { color:#880000; }
124 a:active { color:#880000; }
125 </style>
126</head>
127<body>
128EOF
129 print "<div class=\"body\">\n";
130 print "<div class=\"head1\">";
131 print "<a href=\"http://kernel.org/pub/software/scm/git/\"><img src=\"$myself/git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
132 print $cgi->a({-href => "$myself"}, "projects");
133 if ($project ne "") {
134 print " / " . $cgi->a({-href => "$myself/$project/log"}, $project);
135 }
136 if ($action ne "") {
137 print " / $action";
138 }
139 print "</div>\n";
140}
141
142sub git_footer {
143 print "</div>";
144 print $cgi->end_html();
145}
146
147sub git_diff {
148 my $old_name = shift || "/dev/null";
149 my $new_name = shift || "/dev/null";
150 my $old = shift;
151 my $new = shift;
152
153 my $tmp_old = "/dev/null";
154 my $tmp_new = "/dev/null";
155 my $old_label = "/dev/null";
156 my $new_label = "/dev/null";
157
158 # create temp from-file
159 if ($old ne "") {
160 open my $fd2, "> $gittmp/$old";
161 open my $fd, "-|", "$gitbin/cat-file", "blob", $old;
162 while (my $line = <$fd>) {
163 print $fd2 $line;
164 }
165 close $fd2;
166 close $fd;
167 $tmp_old = "$gittmp/$old";
168 $old_label = "a/$old_name";
169 }
170
171 # create tmp to-file
172 if ($new ne "") {
173 open my $fd2, "> $gittmp/$new";
174 open my $fd, "-|", "$gitbin/cat-file", "blob", $new;
175 while (my $line = <$fd>) {
176 print $fd2 $line;
177 }
178 close $fd2;
179 close $fd;
180 $tmp_new = "$gittmp/$new";
181 $new_label = "b/$new_name";
182 }
183
184 open my $fd, "-|", "/usr/bin/diff", "-L", $old_label, "-L", $new_label, "-u", "-p", $tmp_old, $tmp_new;
185 print "<span style =\"color: #000099;\">===== ";
186 if ($old ne "") {
187 print $cgi->a({-href => "$myself/$project/blob/$old"}, $old);
188 } else {
189 print $old_name;
190 }
191 print " vs ";
192 if ($new ne "") {
193 print $cgi->a({-href => "$myself/$project/blob/$new"}, $new);
194 } else {
195 print $new_name;
196 }
197 print " =====</span>\n";
198 while (my $line = <$fd>) {
199 my $char = substr($line,0,1);
200 print '<span style ="color: #008800;">' if $char eq '+';
201 print '<span style ="color: #CC0000;">' if $char eq '-';
202 print '<span style ="color: #990099;">' if $char eq '@';
203 print escapeHTML($line);
204 print '</span>' if $char eq '+' or $char eq '-' or $char eq '@';
205 }
206 close $fd;
207 unlink("$gittmp/$new");
208 unlink("$gittmp/$old");
209}
210
211if ($project eq "") {
212 opendir(my $fd, $gitroot);
213 my (@path) = grep(!/^\./, readdir($fd));
214 closedir($fd);
215 git_header();
216 print "<br/><br/><div class=\"main\">\n";
217 foreach my $line (@path) {
218 if (-e "$gitroot/$line/.git/HEAD") {
219 print $cgi->a({-href => "$myself/$line/log"}, $line) . "<br/>\n";
220 }
221 }
222 print "<br/></div>";
223 git_footer();
224 exit;
225}
226
227if ($action eq "") {
228 print $cgi->redirect("$myself/$project/log/$view_back");
229 exit;
230}
231
232if ($action eq "blob") {
233 git_header();
234 print "<br/><br/><div class=\"main\">\n";
235 print "<pre>\n";
236 open my $fd, "-|", "$gitbin/cat-file", "blob", $hash;
237 my $nr;
238 while (my $line = <$fd>) {
239 $nr++;
240 print "$nr\t" . escapeHTML($line);;
241 }
242 close $fd;
243 print "</pre>\n";
244 print "<br/></div>";
245 git_footer();
246} elsif ($action eq "tree") {
247 if ($hash eq "") {
248 open my $fd, "$projectroot/.git/HEAD";
249 my $head = <$fd>;
250 chomp $head;
251 close $fd;
252 $hash = $head;
253 }
254 open my $fd, "-|", "$gitbin/ls-tree", $hash;
255 my (@entries) = map { chomp; $_ } <$fd>;
256 close $fd;
257 git_header();
258 print "<br/><br/><div class=\"main\">\n";
259 print "<pre>\n";
260 foreach my $line (@entries) {
261 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
262 $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
263 my $t_type = $2;
264 my $t_hash = $3;
265 my $t_name = $4;
266 if ($t_type eq "blob") {
267 print "BLOB\t" . $cgi->a({-href => "$myself/$project/blob/$3"}, $4) . "\n";
268 } elsif ($t_type eq "tree") {
269 print "TREE\t" . $cgi->a({-href => "$myself/$project/tree/$3"}, $4) . "\n";
270 }
271 }
272 print "</pre>\n";
273 print "<br/></div>";
274 git_footer();
275} elsif ($action eq "log") {
276 open my $fd, "$projectroot/.git/HEAD";
277 my $head = <$fd>;
278 chomp $head;
279 close $fd;
280 open $fd, "-|", "$gitbin/rev-tree", $head;
281 my (@revtree) = map { chomp; $_ } <$fd>;
282 close $fd;
283 git_header();
284 print "<div class=\"head2\">\n";
285 print "view ";
286 print $cgi->a({-href => "$myself/$project/log"}, "last day") . " | ";
287 print $cgi->a({-href => "$myself/$project/log/7"}, "week") . " | ";
288 print $cgi->a({-href => "$myself/$project/log/31"}, "month") . " | ";
289 print $cgi->a({-href => "$myself/$project/log/365"}, "year") . " | ";
290 print $cgi->a({-href => "$myself/$project/log/0"}, "all") . "<br/>\n";
291 print "<br/><br/>\n";
292 print "</div>\n";
293 print "<table cellspacing=\"0\" class=\"log\">\n";
294 foreach my $rev (reverse sort @revtree) {
295 # '1114106118 755e3010ee10dadf42a8a80770e1b115fb038d9b:1 2af17b4854036a1c2ec6c101d93c8dd1ed80d24e:1'
296 last if !($rev =~ m/^([0-9]+) ([0-9a-fA-F]+).* ([0-9a-fA-F]+)/);
297 my $time = $1;
298 my $commit = $2;
299 my $parent = $3;
300 my @parents;
301 my ($author, $author_time, $author_timezone);
302 my ($committer, $committer_time, $committer_timezone);
303 my $tree;
304 my $comment;
305 my $shortlog;
306 open my $fd, "-|", "$gitbin/cat-file", "commit", $commit;
307 while (my $line = <$fd>) {
308 chomp($line);
309 last if $line eq "";
310 if ($line =~ m/^tree (.*)$/) {
311 $tree = $1;
312 } elsif ($line =~ m/^parent (.*)$/) {
313 push @parents, $1;
314 } elsif ($line =~ m/^committer (.*>) ([0-9]+) (.*)$/) {
315 $committer = $1;
316 $committer_time = $2;
317 $committer_timezone = $3;
318 } elsif ($line =~ m/^author (.*>) ([0-9]+) (.*)$/) {
319 $author = $1;
320 $author_time = $2;
321 $author_timezone = $3;
322 }
323 }
324 $shortlog = <$fd>;
325 $shortlog = escapeHTML($shortlog);
326 $comment = $shortlog . "<br/>";
327 while (my $line = <$fd>) {
328 chomp($line);
329 if ($line =~ m/signed-off-by:/i) {
330 $comment .= '<div class="signed_off">' . escapeHTML($line) . "<br/></div>\n";
331 } else {
332 $comment .= escapeHTML($line) . "<br/>\n";
333 }
334 }
335 close $fd;
336 my $age = time-$committer_time;
337 last if ($view_back > 0 && $age > $view_back*60*60*24);
338
339 my $age_string;
340 if ($age > 60*60*24*365*2) {
341 $age_string = int $age/60/60/24/365;
342 $age_string .= " years ago";
343 } elsif ($age > 60*60*24*365/12*2) {
344 $age_string = int $age/60/60/24/365/12;
345 $age_string .= " months ago";
346 } elsif ($age > 60*60*24*7*2) {
347 $age_string = int $age/60/60/24/7;
348 $age_string .= " weeks ago";
349 } elsif ($age > 60*60*24*2) {
350 $age_string = int $age/60/60/24;
351 $age_string .= " days ago";
352 } elsif ($age > 60*60*2) {
353 $age_string = int $age/60/60;
354 $age_string .= " hours ago";
355 } elsif ($age > 60*2) {
356 $age_string = int $age/60;
357 $age_string .= " minutes ago";
358 }
359 print "<tr>\n";
360 print "<td class=\"head1\">" . $age_string . "</td>\n";
361 print "<td class=\"head1\">" . $cgi->a({-href => "$myself/$project/commit/$commit"}, $shortlog) . "</td>";
362 print "</tr>\n";
363 print "<tr>\n";
364 print "<td class=\"head3\">";
365 print $cgi->a({-href => "$myself/$project/treediff/$commit"}, "view diff") . "<br/>\n";
366 print $cgi->a({-href => "$myself/$project/commit/$commit"}, "view commit") . "<br/>\n";
367 print $cgi->a({-href => "$myself/$project/tree/$tree"}, "view tree") . "<br/>\n";
368 print "</td>\n";
369 print "<td class=\"head2\">\n";
370 print "author " . escapeHTML($author) . " [" . gmtime($author_time) . " " . $author_timezone . "]<br/>\n";
371 print "committer " . escapeHTML($committer) . " [" . gmtime($committer_time) . " " . $committer_timezone . "]<br/>\n";
372 print "commit $commit<br/>\n";
373 print "tree $tree<br/>\n";
374 foreach my $par (@parents) {
375 print "parent $par<br/>\n";
376 }
377 print "</td>";
378 print "</tr>\n";
379 print "<tr>\n";
380 print "<td></td>\n";
381 print "<td>\n";
382 print "$comment<br/><br/>\n";
383 print "</td>";
384 print "</tr>\n";
385 }
386 print "</table>\n";
387 git_footer();
388} elsif ($action eq "commit") {
389 my $parent = "";
390 open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
391 while (my $line = <$fd>) {
392 chomp($line);
393 last if $line eq "";
394 if ($line =~ m/^parent (.*)$/ && $parent eq "") {
395 $parent = $1;
396 }
397 }
398 my $shortlog = <$fd>;
399 $shortlog = escapeHTML($shortlog);
400 close $fd;
401
402 open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
403 my (@difftree) = map { chomp; $_ } <$fd>;
404 close $fd;
405
406 git_header();
407 print "<div class=\"main\">\n";
408 print "view " . $cgi->a({-href => "$myself/$project/treediff/$hash"}, "diff") . "<br/><br/><br/>\n";
409 print "<div class=\"shortlog\">$shortlog<br/></div>\n";
410 print "<pre>\n";
411 foreach my $line (@difftree) {
412 # '*100644->100644 blob 9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596 net/ipv4/route.c'
413 # '+100644 blob 4a83ab6cd565d21ab0385bac6643826b83c2fcd4 arch/arm/lib/bitops.h'
414 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
415 my $op = $1;
416 my $mode = $2;
417 my $type = $3;
418 my $id = $4;
419 my $file = $5;
420 if ($type eq "blob") {
421 if ($op eq "+") {
422 print "added\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
423 } elsif ($op eq "-") {
424 print "removed\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
425 } elsif ($op eq "*") {
426 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
427 my $old = $1;
428 my $new = $2;
429 print "changed\t" . $cgi->a({-href => "$myself/$project/diff/$old/$new"}, $file) . "\n";
430 }
431 }
432 }
433 print "</pre>\n";
434 print "<br/></div>";
435 git_footer();
436} elsif ($action eq "diff") {
437 git_header();
438 print "<br/><br/><div class=\"main\">\n";
439 print "<pre>\n";
440 git_diff($hash, $hash_parent, $hash, $hash_parent);
441 print "</pre>\n";
442 print "<br/></div>";
443 git_footer();
444} elsif ($action eq "treediff") {
445 my $parent = "";
446 open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
447 while (my $line = <$fd>) {
448 chomp($line);
449 last if $line eq "";
450 if ($line =~ m/^parent (.*)$/ && $parent eq "") {
451 $parent = $1;
452 }
453 }
454 my $shortlog = <$fd>;
455 $shortlog = escapeHTML($shortlog);
456 close $fd;
457
458 open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
459 my (@difftree) = map { chomp; $_ } <$fd>;
460 close $fd;
461
462 git_header();
463 print "<div class=\"main\">\n";
464 print "view " . $cgi->a({-href => "$myself/$project/commit/$hash"}, "commit") . "<br/><br/><br/>\n";
465 print "<div class=\"shortlog\">$shortlog<br/></div>\n";
466 print "<pre>\n";
467 foreach my $line (@difftree) {
468 # '*100644->100644 blob 8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154 Makefile'
469 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
470 my $op = $1;
471 my $mode = $2;
472 my $type = $3;
473 my $id = $4;
474 my $file = $5;
475 if ($type eq "blob") {
476 if ($op eq "+") {
477 git_diff("", $file, "", $id);
478 } elsif ($op eq "-") {
479 git_diff($file, "", $id, "");
480 } elsif ($op eq "*") {
481 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
482 git_diff($file, $file, $1, $2);
483 }
484 }
485 }
486 print "</pre>\n";
487 print "<br/></div>";
488 git_footer();
489} else {
490 git_header();
491 print "<br/><br/><div class=\"main\">\n";
492 print "unknown action\n";
493 print "<br/></div>";
494 git_footer();
495}