gitweb: Handle non UTF-8 text better
[git/git.git] / gitweb / gitweb.perl
1 #!/usr/bin/perl
2
3 # gitweb - simple web interface to track changes in git repositories
4 #
5 # (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
6 # (C) 2005, Christian Gierke
7 #
8 # This program is licensed under the GPLv2
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 Encode;
16 use Fcntl ':mode';
17 use File::Find qw();
18 use File::Basename qw(basename);
19 binmode STDOUT, ':utf8';
20
21 BEGIN {
22 CGI->compile() if $ENV{'MOD_PERL'};
23 }
24
25 our $cgi = new CGI;
26 our $version = "++GIT_VERSION++";
27 our $my_url = $cgi->url();
28 our $my_uri = $cgi->url(-absolute => 1);
29
30 # core git executable to use
31 # this can just be "git" if your webserver has a sensible PATH
32 our $GIT = "++GIT_BINDIR++/git";
33
34 # absolute fs-path which will be prepended to the project path
35 #our $projectroot = "/pub/scm";
36 our $projectroot = "++GITWEB_PROJECTROOT++";
37
38 # target of the home link on top of all pages
39 our $home_link = $my_uri || "/";
40
41 # string of the home link on top of all pages
42 our $home_link_str = "++GITWEB_HOME_LINK_STR++";
43
44 # name of your site or organization to appear in page titles
45 # replace this with something more descriptive for clearer bookmarks
46 our $site_name = "++GITWEB_SITENAME++"
47 || ($ENV{'SERVER_NAME'} || "Untitled") . " Git";
48
49 # filename of html text to include at top of each page
50 our $site_header = "++GITWEB_SITE_HEADER++";
51 # html text to include at home page
52 our $home_text = "++GITWEB_HOMETEXT++";
53 # filename of html text to include at bottom of each page
54 our $site_footer = "++GITWEB_SITE_FOOTER++";
55
56 # URI of stylesheets
57 our @stylesheets = ("++GITWEB_CSS++");
58 # URI of a single stylesheet, which can be overridden in GITWEB_CONFIG.
59 our $stylesheet = undef;
60 # URI of GIT logo (72x27 size)
61 our $logo = "++GITWEB_LOGO++";
62 # URI of GIT favicon, assumed to be image/png type
63 our $favicon = "++GITWEB_FAVICON++";
64
65 # URI and label (title) of GIT logo link
66 #our $logo_url = "http://www.kernel.org/pub/software/scm/git/docs/";
67 #our $logo_label = "git documentation";
68 our $logo_url = "http://git.or.cz/";
69 our $logo_label = "git homepage";
70
71 # source of projects list
72 our $projects_list = "++GITWEB_LIST++";
73
74 # default order of projects list
75 # valid values are none, project, descr, owner, and age
76 our $default_projects_order = "project";
77
78 # show repository only if this file exists
79 # (only effective if this variable evaluates to true)
80 our $export_ok = "++GITWEB_EXPORT_OK++";
81
82 # only allow viewing of repositories also shown on the overview page
83 our $strict_export = "++GITWEB_STRICT_EXPORT++";
84
85 # list of git base URLs used for URL to where fetch project from,
86 # i.e. full URL is "$git_base_url/$project"
87 our @git_base_url_list = grep { $_ ne '' } ("++GITWEB_BASE_URL++");
88
89 # default blob_plain mimetype and default charset for text/plain blob
90 our $default_blob_plain_mimetype = 'text/plain';
91 our $default_text_plain_charset = undef;
92
93 # file to use for guessing MIME types before trying /etc/mime.types
94 # (relative to the current git repository)
95 our $mimetypes_file = undef;
96
97 # assume this charset if line contains non-UTF-8 characters;
98 # it should be valid encoding (see Encoding::Supported(3pm) for list),
99 # for which encoding all byte sequences are valid, for example
100 # 'iso-8859-1' aka 'latin1' (it is decoded without checking, so it
101 # could be even 'utf-8' for the old behavior)
102 our $fallback_encoding = 'latin1';
103
104 # You define site-wide feature defaults here; override them with
105 # $GITWEB_CONFIG as necessary.
106 our %feature = (
107 # feature => {
108 # 'sub' => feature-sub (subroutine),
109 # 'override' => allow-override (boolean),
110 # 'default' => [ default options...] (array reference)}
111 #
112 # if feature is overridable (it means that allow-override has true value),
113 # then feature-sub will be called with default options as parameters;
114 # return value of feature-sub indicates if to enable specified feature
115 #
116 # if there is no 'sub' key (no feature-sub), then feature cannot be
117 # overriden
118 #
119 # use gitweb_check_feature(<feature>) to check if <feature> is enabled
120
121 # Enable the 'blame' blob view, showing the last commit that modified
122 # each line in the file. This can be very CPU-intensive.
123
124 # To enable system wide have in $GITWEB_CONFIG
125 # $feature{'blame'}{'default'} = [1];
126 # To have project specific config enable override in $GITWEB_CONFIG
127 # $feature{'blame'}{'override'} = 1;
128 # and in project config gitweb.blame = 0|1;
129 'blame' => {
130 'sub' => \&feature_blame,
131 'override' => 0,
132 'default' => [0]},
133
134 # Enable the 'snapshot' link, providing a compressed tarball of any
135 # tree. This can potentially generate high traffic if you have large
136 # project.
137
138 # To disable system wide have in $GITWEB_CONFIG
139 # $feature{'snapshot'}{'default'} = [undef];
140 # To have project specific config enable override in $GITWEB_CONFIG
141 # $feature{'snapshot'}{'override'} = 1;
142 # and in project config gitweb.snapshot = none|gzip|bzip2|zip;
143 'snapshot' => {
144 'sub' => \&feature_snapshot,
145 'override' => 0,
146 # => [content-encoding, suffix, program]
147 'default' => ['x-gzip', 'gz', 'gzip']},
148
149 # Enable text search, which will list the commits which match author,
150 # committer or commit text to a given string. Enabled by default.
151 # Project specific override is not supported.
152 'search' => {
153 'override' => 0,
154 'default' => [1]},
155
156 # Enable grep search, which will list the files in currently selected
157 # tree containing the given string. Enabled by default. This can be
158 # potentially CPU-intensive, of course.
159
160 # To enable system wide have in $GITWEB_CONFIG
161 # $feature{'grep'}{'default'} = [1];
162 # To have project specific config enable override in $GITWEB_CONFIG
163 # $feature{'grep'}{'override'} = 1;
164 # and in project config gitweb.grep = 0|1;
165 'grep' => {
166 'override' => 0,
167 'default' => [1]},
168
169 # Enable the pickaxe search, which will list the commits that modified
170 # a given string in a file. This can be practical and quite faster
171 # alternative to 'blame', but still potentially CPU-intensive.
172
173 # To enable system wide have in $GITWEB_CONFIG
174 # $feature{'pickaxe'}{'default'} = [1];
175 # To have project specific config enable override in $GITWEB_CONFIG
176 # $feature{'pickaxe'}{'override'} = 1;
177 # and in project config gitweb.pickaxe = 0|1;
178 'pickaxe' => {
179 'sub' => \&feature_pickaxe,
180 'override' => 0,
181 'default' => [1]},
182
183 # Make gitweb use an alternative format of the URLs which can be
184 # more readable and natural-looking: project name is embedded
185 # directly in the path and the query string contains other
186 # auxiliary information. All gitweb installations recognize
187 # URL in either format; this configures in which formats gitweb
188 # generates links.
189
190 # To enable system wide have in $GITWEB_CONFIG
191 # $feature{'pathinfo'}{'default'} = [1];
192 # Project specific override is not supported.
193
194 # Note that you will need to change the default location of CSS,
195 # favicon, logo and possibly other files to an absolute URL. Also,
196 # if gitweb.cgi serves as your indexfile, you will need to force
197 # $my_uri to contain the script name in your $GITWEB_CONFIG.
198 'pathinfo' => {
199 'override' => 0,
200 'default' => [0]},
201
202 # Make gitweb consider projects in project root subdirectories
203 # to be forks of existing projects. Given project $projname.git,
204 # projects matching $projname/*.git will not be shown in the main
205 # projects list, instead a '+' mark will be added to $projname
206 # there and a 'forks' view will be enabled for the project, listing
207 # all the forks. If project list is taken from a file, forks have
208 # to be listed after the main project.
209
210 # To enable system wide have in $GITWEB_CONFIG
211 # $feature{'forks'}{'default'} = [1];
212 # Project specific override is not supported.
213 'forks' => {
214 'override' => 0,
215 'default' => [0]},
216 );
217
218 sub gitweb_check_feature {
219 my ($name) = @_;
220 return unless exists $feature{$name};
221 my ($sub, $override, @defaults) = (
222 $feature{$name}{'sub'},
223 $feature{$name}{'override'},
224 @{$feature{$name}{'default'}});
225 if (!$override) { return @defaults; }
226 if (!defined $sub) {
227 warn "feature $name is not overrideable";
228 return @defaults;
229 }
230 return $sub->(@defaults);
231 }
232
233 sub feature_blame {
234 my ($val) = git_get_project_config('blame', '--bool');
235
236 if ($val eq 'true') {
237 return 1;
238 } elsif ($val eq 'false') {
239 return 0;
240 }
241
242 return $_[0];
243 }
244
245 sub feature_snapshot {
246 my ($ctype, $suffix, $command) = @_;
247
248 my ($val) = git_get_project_config('snapshot');
249
250 if ($val eq 'gzip') {
251 return ('x-gzip', 'gz', 'gzip');
252 } elsif ($val eq 'bzip2') {
253 return ('x-bzip2', 'bz2', 'bzip2');
254 } elsif ($val eq 'zip') {
255 return ('x-zip', 'zip', '');
256 } elsif ($val eq 'none') {
257 return ();
258 }
259
260 return ($ctype, $suffix, $command);
261 }
262
263 sub gitweb_have_snapshot {
264 my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
265 my $have_snapshot = (defined $ctype && defined $suffix);
266
267 return $have_snapshot;
268 }
269
270 sub feature_grep {
271 my ($val) = git_get_project_config('grep', '--bool');
272
273 if ($val eq 'true') {
274 return (1);
275 } elsif ($val eq 'false') {
276 return (0);
277 }
278
279 return ($_[0]);
280 }
281
282 sub feature_pickaxe {
283 my ($val) = git_get_project_config('pickaxe', '--bool');
284
285 if ($val eq 'true') {
286 return (1);
287 } elsif ($val eq 'false') {
288 return (0);
289 }
290
291 return ($_[0]);
292 }
293
294 # checking HEAD file with -e is fragile if the repository was
295 # initialized long time ago (i.e. symlink HEAD) and was pack-ref'ed
296 # and then pruned.
297 sub check_head_link {
298 my ($dir) = @_;
299 my $headfile = "$dir/HEAD";
300 return ((-e $headfile) ||
301 (-l $headfile && readlink($headfile) =~ /^refs\/heads\//));
302 }
303
304 sub check_export_ok {
305 my ($dir) = @_;
306 return (check_head_link($dir) &&
307 (!$export_ok || -e "$dir/$export_ok"));
308 }
309
310 # rename detection options for git-diff and git-diff-tree
311 # - default is '-M', with the cost proportional to
312 # (number of removed files) * (number of new files).
313 # - more costly is '-C' (or '-C', '-M'), with the cost proportional to
314 # (number of changed files + number of removed files) * (number of new files)
315 # - even more costly is '-C', '--find-copies-harder' with cost
316 # (number of files in the original tree) * (number of new files)
317 # - one might want to include '-B' option, e.g. '-B', '-M'
318 our @diff_opts = ('-M'); # taken from git_commit
319
320 our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
321 do $GITWEB_CONFIG if -e $GITWEB_CONFIG;
322
323 # version of the core git binary
324 our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
325
326 $projects_list ||= $projectroot;
327
328 # ======================================================================
329 # input validation and dispatch
330 our $action = $cgi->param('a');
331 if (defined $action) {
332 if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
333 die_error(undef, "Invalid action parameter");
334 }
335 }
336
337 # parameters which are pathnames
338 our $project = $cgi->param('p');
339 if (defined $project) {
340 if (!validate_pathname($project) ||
341 !(-d "$projectroot/$project") ||
342 !check_head_link("$projectroot/$project") ||
343 ($export_ok && !(-e "$projectroot/$project/$export_ok")) ||
344 ($strict_export && !project_in_list($project))) {
345 undef $project;
346 die_error(undef, "No such project");
347 }
348 }
349
350 our $file_name = $cgi->param('f');
351 if (defined $file_name) {
352 if (!validate_pathname($file_name)) {
353 die_error(undef, "Invalid file parameter");
354 }
355 }
356
357 our $file_parent = $cgi->param('fp');
358 if (defined $file_parent) {
359 if (!validate_pathname($file_parent)) {
360 die_error(undef, "Invalid file parent parameter");
361 }
362 }
363
364 # parameters which are refnames
365 our $hash = $cgi->param('h');
366 if (defined $hash) {
367 if (!validate_refname($hash)) {
368 die_error(undef, "Invalid hash parameter");
369 }
370 }
371
372 our $hash_parent = $cgi->param('hp');
373 if (defined $hash_parent) {
374 if (!validate_refname($hash_parent)) {
375 die_error(undef, "Invalid hash parent parameter");
376 }
377 }
378
379 our $hash_base = $cgi->param('hb');
380 if (defined $hash_base) {
381 if (!validate_refname($hash_base)) {
382 die_error(undef, "Invalid hash base parameter");
383 }
384 }
385
386 our $hash_parent_base = $cgi->param('hpb');
387 if (defined $hash_parent_base) {
388 if (!validate_refname($hash_parent_base)) {
389 die_error(undef, "Invalid hash parent base parameter");
390 }
391 }
392
393 # other parameters
394 our $page = $cgi->param('pg');
395 if (defined $page) {
396 if ($page =~ m/[^0-9]/) {
397 die_error(undef, "Invalid page parameter");
398 }
399 }
400
401 our $searchtype = $cgi->param('st');
402 if (defined $searchtype) {
403 if ($searchtype =~ m/[^a-z]/) {
404 die_error(undef, "Invalid searchtype parameter");
405 }
406 }
407
408 our $searchtext = $cgi->param('s');
409 our $search_regexp;
410 if (defined $searchtext) {
411 if ($searchtype ne 'grep' and $searchtype ne 'pickaxe' and $searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
412 die_error(undef, "Invalid search parameter");
413 }
414 if (length($searchtext) < 2) {
415 die_error(undef, "At least two characters are required for search parameter");
416 }
417 $search_regexp = quotemeta $searchtext;
418 }
419
420 # now read PATH_INFO and use it as alternative to parameters
421 sub evaluate_path_info {
422 return if defined $project;
423 my $path_info = $ENV{"PATH_INFO"};
424 return if !$path_info;
425 $path_info =~ s,^/+,,;
426 return if !$path_info;
427 # find which part of PATH_INFO is project
428 $project = $path_info;
429 $project =~ s,/+$,,;
430 while ($project && !check_head_link("$projectroot/$project")) {
431 $project =~ s,/*[^/]*$,,;
432 }
433 # validate project
434 $project = validate_pathname($project);
435 if (!$project ||
436 ($export_ok && !-e "$projectroot/$project/$export_ok") ||
437 ($strict_export && !project_in_list($project))) {
438 undef $project;
439 return;
440 }
441 # do not change any parameters if an action is given using the query string
442 return if $action;
443 $path_info =~ s,^$project/*,,;
444 my ($refname, $pathname) = split(/:/, $path_info, 2);
445 if (defined $pathname) {
446 # we got "project.git/branch:filename" or "project.git/branch:dir/"
447 # we could use git_get_type(branch:pathname), but it needs $git_dir
448 $pathname =~ s,^/+,,;
449 if (!$pathname || substr($pathname, -1) eq "/") {
450 $action ||= "tree";
451 $pathname =~ s,/$,,;
452 } else {
453 $action ||= "blob_plain";
454 }
455 $hash_base ||= validate_refname($refname);
456 $file_name ||= validate_pathname($pathname);
457 } elsif (defined $refname) {
458 # we got "project.git/branch"
459 $action ||= "shortlog";
460 $hash ||= validate_refname($refname);
461 }
462 }
463 evaluate_path_info();
464
465 # path to the current git repository
466 our $git_dir;
467 $git_dir = "$projectroot/$project" if $project;
468
469 # dispatch
470 my %actions = (
471 "blame" => \&git_blame2,
472 "blobdiff" => \&git_blobdiff,
473 "blobdiff_plain" => \&git_blobdiff_plain,
474 "blob" => \&git_blob,
475 "blob_plain" => \&git_blob_plain,
476 "commitdiff" => \&git_commitdiff,
477 "commitdiff_plain" => \&git_commitdiff_plain,
478 "commit" => \&git_commit,
479 "forks" => \&git_forks,
480 "heads" => \&git_heads,
481 "history" => \&git_history,
482 "log" => \&git_log,
483 "rss" => \&git_rss,
484 "atom" => \&git_atom,
485 "search" => \&git_search,
486 "search_help" => \&git_search_help,
487 "shortlog" => \&git_shortlog,
488 "summary" => \&git_summary,
489 "tag" => \&git_tag,
490 "tags" => \&git_tags,
491 "tree" => \&git_tree,
492 "snapshot" => \&git_snapshot,
493 "object" => \&git_object,
494 # those below don't need $project
495 "opml" => \&git_opml,
496 "project_list" => \&git_project_list,
497 "project_index" => \&git_project_index,
498 );
499
500 if (!defined $action) {
501 if (defined $hash) {
502 $action = git_get_type($hash);
503 } elsif (defined $hash_base && defined $file_name) {
504 $action = git_get_type("$hash_base:$file_name");
505 } elsif (defined $project) {
506 $action = 'summary';
507 } else {
508 $action = 'project_list';
509 }
510 }
511 if (!defined($actions{$action})) {
512 die_error(undef, "Unknown action");
513 }
514 if ($action !~ m/^(opml|project_list|project_index)$/ &&
515 !$project) {
516 die_error(undef, "Project needed");
517 }
518 $actions{$action}->();
519 exit;
520
521 ## ======================================================================
522 ## action links
523
524 sub href(%) {
525 my %params = @_;
526 # default is to use -absolute url() i.e. $my_uri
527 my $href = $params{-full} ? $my_url : $my_uri;
528
529 # XXX: Warning: If you touch this, check the search form for updating,
530 # too.
531
532 my @mapping = (
533 project => "p",
534 action => "a",
535 file_name => "f",
536 file_parent => "fp",
537 hash => "h",
538 hash_parent => "hp",
539 hash_base => "hb",
540 hash_parent_base => "hpb",
541 page => "pg",
542 order => "o",
543 searchtext => "s",
544 searchtype => "st",
545 );
546 my %mapping = @mapping;
547
548 $params{'project'} = $project unless exists $params{'project'};
549
550 my ($use_pathinfo) = gitweb_check_feature('pathinfo');
551 if ($use_pathinfo) {
552 # use PATH_INFO for project name
553 $href .= "/$params{'project'}" if defined $params{'project'};
554 delete $params{'project'};
555
556 # Summary just uses the project path URL
557 if (defined $params{'action'} && $params{'action'} eq 'summary') {
558 delete $params{'action'};
559 }
560 }
561
562 # now encode the parameters explicitly
563 my @result = ();
564 for (my $i = 0; $i < @mapping; $i += 2) {
565 my ($name, $symbol) = ($mapping[$i], $mapping[$i+1]);
566 if (defined $params{$name}) {
567 push @result, $symbol . "=" . esc_param($params{$name});
568 }
569 }
570 $href .= "?" . join(';', @result) if scalar @result;
571
572 return $href;
573 }
574
575
576 ## ======================================================================
577 ## validation, quoting/unquoting and escaping
578
579 sub validate_pathname {
580 my $input = shift || return undef;
581
582 # no '.' or '..' as elements of path, i.e. no '.' nor '..'
583 # at the beginning, at the end, and between slashes.
584 # also this catches doubled slashes
585 if ($input =~ m!(^|/)(|\.|\.\.)(/|$)!) {
586 return undef;
587 }
588 # no null characters
589 if ($input =~ m!\0!) {
590 return undef;
591 }
592 return $input;
593 }
594
595 sub validate_refname {
596 my $input = shift || return undef;
597
598 # textual hashes are O.K.
599 if ($input =~ m/^[0-9a-fA-F]{40}$/) {
600 return $input;
601 }
602 # it must be correct pathname
603 $input = validate_pathname($input)
604 or return undef;
605 # restrictions on ref name according to git-check-ref-format
606 if ($input =~ m!(/\.|\.\.|[\000-\040\177 ~^:?*\[]|/$)!) {
607 return undef;
608 }
609 return $input;
610 }
611
612 # decode sequences of octets in utf8 into Perl's internal form,
613 # which is utf-8 with utf8 flag set if needed. gitweb writes out
614 # in utf-8 thanks to "binmode STDOUT, ':utf8'" at beginning
615 sub to_utf8 {
616 my $str = shift;
617 my $res;
618 eval { $res = decode_utf8($str, Encode::FB_CROAK); };
619 if (defined $res) {
620 return $res;
621 } else {
622 return decode($fallback_encoding, $str, Encode::FB_DEFAULT);
623 }
624 }
625
626 # quote unsafe chars, but keep the slash, even when it's not
627 # correct, but quoted slashes look too horrible in bookmarks
628 sub esc_param {
629 my $str = shift;
630 $str =~ s/([^A-Za-z0-9\-_.~()\/:@])/sprintf("%%%02X", ord($1))/eg;
631 $str =~ s/\+/%2B/g;
632 $str =~ s/ /\+/g;
633 return $str;
634 }
635
636 # quote unsafe chars in whole URL, so some charactrs cannot be quoted
637 sub esc_url {
638 my $str = shift;
639 $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
640 $str =~ s/\+/%2B/g;
641 $str =~ s/ /\+/g;
642 return $str;
643 }
644
645 # replace invalid utf8 character with SUBSTITUTION sequence
646 sub esc_html ($;%) {
647 my $str = shift;
648 my %opts = @_;
649
650 $str = to_utf8($str);
651 $str = $cgi->escapeHTML($str);
652 if ($opts{'-nbsp'}) {
653 $str =~ s/ /&nbsp;/g;
654 }
655 $str =~ s|([[:cntrl:]])|(($1 ne "\t") ? quot_cec($1) : $1)|eg;
656 return $str;
657 }
658
659 # quote control characters and escape filename to HTML
660 sub esc_path {
661 my $str = shift;
662 my %opts = @_;
663
664 $str = to_utf8($str);
665 $str = $cgi->escapeHTML($str);
666 if ($opts{'-nbsp'}) {
667 $str =~ s/ /&nbsp;/g;
668 }
669 $str =~ s|([[:cntrl:]])|quot_cec($1)|eg;
670 return $str;
671 }
672
673 # Make control characters "printable", using character escape codes (CEC)
674 sub quot_cec {
675 my $cntrl = shift;
676 my %es = ( # character escape codes, aka escape sequences
677 "\t" => '\t', # tab (HT)
678 "\n" => '\n', # line feed (LF)
679 "\r" => '\r', # carrige return (CR)
680 "\f" => '\f', # form feed (FF)
681 "\b" => '\b', # backspace (BS)
682 "\a" => '\a', # alarm (bell) (BEL)
683 "\e" => '\e', # escape (ESC)
684 "\013" => '\v', # vertical tab (VT)
685 "\000" => '\0', # nul character (NUL)
686 );
687 my $chr = ( (exists $es{$cntrl})
688 ? $es{$cntrl}
689 : sprintf('\%03o', ord($cntrl)) );
690 return "<span class=\"cntrl\">$chr</span>";
691 }
692
693 # Alternatively use unicode control pictures codepoints,
694 # Unicode "printable representation" (PR)
695 sub quot_upr {
696 my $cntrl = shift;
697 my $chr = sprintf('&#%04d;', 0x2400+ord($cntrl));
698 return "<span class=\"cntrl\">$chr</span>";
699 }
700
701 # git may return quoted and escaped filenames
702 sub unquote {
703 my $str = shift;
704
705 sub unq {
706 my $seq = shift;
707 my %es = ( # character escape codes, aka escape sequences
708 't' => "\t", # tab (HT, TAB)
709 'n' => "\n", # newline (NL)
710 'r' => "\r", # return (CR)
711 'f' => "\f", # form feed (FF)
712 'b' => "\b", # backspace (BS)
713 'a' => "\a", # alarm (bell) (BEL)
714 'e' => "\e", # escape (ESC)
715 'v' => "\013", # vertical tab (VT)
716 );
717
718 if ($seq =~ m/^[0-7]{1,3}$/) {
719 # octal char sequence
720 return chr(oct($seq));
721 } elsif (exists $es{$seq}) {
722 # C escape sequence, aka character escape code
723 return $es{$seq}
724 }
725 # quoted ordinary character
726 return $seq;
727 }
728
729 if ($str =~ m/^"(.*)"$/) {
730 # needs unquoting
731 $str = $1;
732 $str =~ s/\\([^0-7]|[0-7]{1,3})/unq($1)/eg;
733 }
734 return $str;
735 }
736
737 # escape tabs (convert tabs to spaces)
738 sub untabify {
739 my $line = shift;
740
741 while ((my $pos = index($line, "\t")) != -1) {
742 if (my $count = (8 - ($pos % 8))) {
743 my $spaces = ' ' x $count;
744 $line =~ s/\t/$spaces/;
745 }
746 }
747
748 return $line;
749 }
750
751 sub project_in_list {
752 my $project = shift;
753 my @list = git_get_projects_list();
754 return @list && scalar(grep { $_->{'path'} eq $project } @list);
755 }
756
757 ## ----------------------------------------------------------------------
758 ## HTML aware string manipulation
759
760 sub chop_str {
761 my $str = shift;
762 my $len = shift;
763 my $add_len = shift || 10;
764
765 # allow only $len chars, but don't cut a word if it would fit in $add_len
766 # if it doesn't fit, cut it if it's still longer than the dots we would add
767 $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
768 my $body = $1;
769 my $tail = $2;
770 if (length($tail) > 4) {
771 $tail = " ...";
772 $body =~ s/&[^;]*$//; # remove chopped character entities
773 }
774 return "$body$tail";
775 }
776
777 ## ----------------------------------------------------------------------
778 ## functions returning short strings
779
780 # CSS class for given age value (in seconds)
781 sub age_class {
782 my $age = shift;
783
784 if (!defined $age) {
785 return "noage";
786 } elsif ($age < 60*60*2) {
787 return "age0";
788 } elsif ($age < 60*60*24*2) {
789 return "age1";
790 } else {
791 return "age2";
792 }
793 }
794
795 # convert age in seconds to "nn units ago" string
796 sub age_string {
797 my $age = shift;
798 my $age_str;
799
800 if ($age > 60*60*24*365*2) {
801 $age_str = (int $age/60/60/24/365);
802 $age_str .= " years ago";
803 } elsif ($age > 60*60*24*(365/12)*2) {
804 $age_str = int $age/60/60/24/(365/12);
805 $age_str .= " months ago";
806 } elsif ($age > 60*60*24*7*2) {
807 $age_str = int $age/60/60/24/7;
808 $age_str .= " weeks ago";
809 } elsif ($age > 60*60*24*2) {
810 $age_str = int $age/60/60/24;
811 $age_str .= " days ago";
812 } elsif ($age > 60*60*2) {
813 $age_str = int $age/60/60;
814 $age_str .= " hours ago";
815 } elsif ($age > 60*2) {
816 $age_str = int $age/60;
817 $age_str .= " min ago";
818 } elsif ($age > 2) {
819 $age_str = int $age;
820 $age_str .= " sec ago";
821 } else {
822 $age_str .= " right now";
823 }
824 return $age_str;
825 }
826
827 # convert file mode in octal to symbolic file mode string
828 sub mode_str {
829 my $mode = oct shift;
830
831 if (S_ISDIR($mode & S_IFMT)) {
832 return 'drwxr-xr-x';
833 } elsif (S_ISLNK($mode)) {
834 return 'lrwxrwxrwx';
835 } elsif (S_ISREG($mode)) {
836 # git cares only about the executable bit
837 if ($mode & S_IXUSR) {
838 return '-rwxr-xr-x';
839 } else {
840 return '-rw-r--r--';
841 };
842 } else {
843 return '----------';
844 }
845 }
846
847 # convert file mode in octal to file type string
848 sub file_type {
849 my $mode = shift;
850
851 if ($mode !~ m/^[0-7]+$/) {
852 return $mode;
853 } else {
854 $mode = oct $mode;
855 }
856
857 if (S_ISDIR($mode & S_IFMT)) {
858 return "directory";
859 } elsif (S_ISLNK($mode)) {
860 return "symlink";
861 } elsif (S_ISREG($mode)) {
862 return "file";
863 } else {
864 return "unknown";
865 }
866 }
867
868 # convert file mode in octal to file type description string
869 sub file_type_long {
870 my $mode = shift;
871
872 if ($mode !~ m/^[0-7]+$/) {
873 return $mode;
874 } else {
875 $mode = oct $mode;
876 }
877
878 if (S_ISDIR($mode & S_IFMT)) {
879 return "directory";
880 } elsif (S_ISLNK($mode)) {
881 return "symlink";
882 } elsif (S_ISREG($mode)) {
883 if ($mode & S_IXUSR) {
884 return "executable";
885 } else {
886 return "file";
887 };
888 } else {
889 return "unknown";
890 }
891 }
892
893
894 ## ----------------------------------------------------------------------
895 ## functions returning short HTML fragments, or transforming HTML fragments
896 ## which don't belong to other sections
897
898 # format line of commit message.
899 sub format_log_line_html {
900 my $line = shift;
901
902 $line = esc_html($line, -nbsp=>1);
903 if ($line =~ m/([0-9a-fA-F]{8,40})/) {
904 my $hash_text = $1;
905 my $link =
906 $cgi->a({-href => href(action=>"object", hash=>$hash_text),
907 -class => "text"}, $hash_text);
908 $line =~ s/$hash_text/$link/;
909 }
910 return $line;
911 }
912
913 # format marker of refs pointing to given object
914 sub format_ref_marker {
915 my ($refs, $id) = @_;
916 my $markers = '';
917
918 if (defined $refs->{$id}) {
919 foreach my $ref (@{$refs->{$id}}) {
920 my ($type, $name) = qw();
921 # e.g. tags/v2.6.11 or heads/next
922 if ($ref =~ m!^(.*?)s?/(.*)$!) {
923 $type = $1;
924 $name = $2;
925 } else {
926 $type = "ref";
927 $name = $ref;
928 }
929
930 $markers .= " <span class=\"$type\" title=\"$ref\">" .
931 esc_html($name) . "</span>";
932 }
933 }
934
935 if ($markers) {
936 return ' <span class="refs">'. $markers . '</span>';
937 } else {
938 return "";
939 }
940 }
941
942 # format, perhaps shortened and with markers, title line
943 sub format_subject_html {
944 my ($long, $short, $href, $extra) = @_;
945 $extra = '' unless defined($extra);
946
947 if (length($short) < length($long)) {
948 return $cgi->a({-href => $href, -class => "list subject",
949 -title => to_utf8($long)},
950 esc_html($short) . $extra);
951 } else {
952 return $cgi->a({-href => $href, -class => "list subject"},
953 esc_html($long) . $extra);
954 }
955 }
956
957 # format patch (diff) line (rather not to be used for diff headers)
958 sub format_diff_line {
959 my $line = shift;
960 my ($from, $to) = @_;
961 my $diff_class = "";
962
963 chomp $line;
964
965 if ($from && $to && ref($from->{'href'}) eq "ARRAY") {
966 # combined diff
967 my $prefix = substr($line, 0, scalar @{$from->{'href'}});
968 if ($line =~ m/^\@{3}/) {
969 $diff_class = " chunk_header";
970 } elsif ($line =~ m/^\\/) {
971 $diff_class = " incomplete";
972 } elsif ($prefix =~ tr/+/+/) {
973 $diff_class = " add";
974 } elsif ($prefix =~ tr/-/-/) {
975 $diff_class = " rem";
976 }
977 } else {
978 # assume ordinary diff
979 my $char = substr($line, 0, 1);
980 if ($char eq '+') {
981 $diff_class = " add";
982 } elsif ($char eq '-') {
983 $diff_class = " rem";
984 } elsif ($char eq '@') {
985 $diff_class = " chunk_header";
986 } elsif ($char eq "\\") {
987 $diff_class = " incomplete";
988 }
989 }
990 $line = untabify($line);
991 if ($from && $to && $line =~ m/^\@{2} /) {
992 my ($from_text, $from_start, $from_lines, $to_text, $to_start, $to_lines, $section) =
993 $line =~ m/^\@{2} (-(\d+)(?:,(\d+))?) (\+(\d+)(?:,(\d+))?) \@{2}(.*)$/;
994
995 $from_lines = 0 unless defined $from_lines;
996 $to_lines = 0 unless defined $to_lines;
997
998 if ($from->{'href'}) {
999 $from_text = $cgi->a({-href=>"$from->{'href'}#l$from_start",
1000 -class=>"list"}, $from_text);
1001 }
1002 if ($to->{'href'}) {
1003 $to_text = $cgi->a({-href=>"$to->{'href'}#l$to_start",
1004 -class=>"list"}, $to_text);
1005 }
1006 $line = "<span class=\"chunk_info\">@@ $from_text $to_text @@</span>" .
1007 "<span class=\"section\">" . esc_html($section, -nbsp=>1) . "</span>";
1008 return "<div class=\"diff$diff_class\">$line</div>\n";
1009 } elsif ($from && $to && $line =~ m/^\@{3}/) {
1010 my ($prefix, $ranges, $section) = $line =~ m/^(\@+) (.*?) \@+(.*)$/;
1011 my (@from_text, @from_start, @from_nlines, $to_text, $to_start, $to_nlines);
1012
1013 @from_text = split(' ', $ranges);
1014 for (my $i = 0; $i < @from_text; ++$i) {
1015 ($from_start[$i], $from_nlines[$i]) =
1016 (split(',', substr($from_text[$i], 1)), 0);
1017 }
1018
1019 $to_text = pop @from_text;
1020 $to_start = pop @from_start;
1021 $to_nlines = pop @from_nlines;
1022
1023 $line = "<span class=\"chunk_info\">$prefix ";
1024 for (my $i = 0; $i < @from_text; ++$i) {
1025 if ($from->{'href'}[$i]) {
1026 $line .= $cgi->a({-href=>"$from->{'href'}[$i]#l$from_start[$i]",
1027 -class=>"list"}, $from_text[$i]);
1028 } else {
1029 $line .= $from_text[$i];
1030 }
1031 $line .= " ";
1032 }
1033 if ($to->{'href'}) {
1034 $line .= $cgi->a({-href=>"$to->{'href'}#l$to_start",
1035 -class=>"list"}, $to_text);
1036 } else {
1037 $line .= $to_text;
1038 }
1039 $line .= " $prefix</span>" .
1040 "<span class=\"section\">" . esc_html($section, -nbsp=>1) . "</span>";
1041 return "<div class=\"diff$diff_class\">$line</div>\n";
1042 }
1043 return "<div class=\"diff$diff_class\">" . esc_html($line, -nbsp=>1) . "</div>\n";
1044 }
1045
1046 ## ----------------------------------------------------------------------
1047 ## git utility subroutines, invoking git commands
1048
1049 # returns path to the core git executable and the --git-dir parameter as list
1050 sub git_cmd {
1051 return $GIT, '--git-dir='.$git_dir;
1052 }
1053
1054 # returns path to the core git executable and the --git-dir parameter as string
1055 sub git_cmd_str {
1056 return join(' ', git_cmd());
1057 }
1058
1059 # get HEAD ref of given project as hash
1060 sub git_get_head_hash {
1061 my $project = shift;
1062 my $o_git_dir = $git_dir;
1063 my $retval = undef;
1064 $git_dir = "$projectroot/$project";
1065 if (open my $fd, "-|", git_cmd(), "rev-parse", "--verify", "HEAD") {
1066 my $head = <$fd>;
1067 close $fd;
1068 if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
1069 $retval = $1;
1070 }
1071 }
1072 if (defined $o_git_dir) {
1073 $git_dir = $o_git_dir;
1074 }
1075 return $retval;
1076 }
1077
1078 # get type of given object
1079 sub git_get_type {
1080 my $hash = shift;
1081
1082 open my $fd, "-|", git_cmd(), "cat-file", '-t', $hash or return;
1083 my $type = <$fd>;
1084 close $fd or return;
1085 chomp $type;
1086 return $type;
1087 }
1088
1089 sub git_get_project_config {
1090 my ($key, $type) = @_;
1091
1092 return unless ($key);
1093 $key =~ s/^gitweb\.//;
1094 return if ($key =~ m/\W/);
1095
1096 my @x = (git_cmd(), 'config');
1097 if (defined $type) { push @x, $type; }
1098 push @x, "--get";
1099 push @x, "gitweb.$key";
1100 my $val = qx(@x);
1101 chomp $val;
1102 return ($val);
1103 }
1104
1105 # get hash of given path at given ref
1106 sub git_get_hash_by_path {
1107 my $base = shift;
1108 my $path = shift || return undef;
1109 my $type = shift;
1110
1111 $path =~ s,/+$,,;
1112
1113 open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path
1114 or die_error(undef, "Open git-ls-tree failed");
1115 my $line = <$fd>;
1116 close $fd or return undef;
1117
1118 if (!defined $line) {
1119 # there is no tree or hash given by $path at $base
1120 return undef;
1121 }
1122
1123 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
1124 $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t/;
1125 if (defined $type && $type ne $2) {
1126 # type doesn't match
1127 return undef;
1128 }
1129 return $3;
1130 }
1131
1132 # get path of entry with given hash at given tree-ish (ref)
1133 # used to get 'from' filename for combined diff (merge commit) for renames
1134 sub git_get_path_by_hash {
1135 my $base = shift || return;
1136 my $hash = shift || return;
1137
1138 local $/ = "\0";
1139
1140 open my $fd, "-|", git_cmd(), "ls-tree", '-r', '-t', '-z', $base
1141 or return undef;
1142 while (my $line = <$fd>) {
1143 chomp $line;
1144
1145 #'040000 tree 595596a6a9117ddba9fe379b6b012b558bac8423 gitweb'
1146 #'100644 blob e02e90f0429be0d2a69b76571101f20b8f75530f gitweb/README'
1147 if ($line =~ m/(?:[0-9]+) (?:.+) $hash\t(.+)$/) {
1148 close $fd;
1149 return $1;
1150 }
1151 }
1152 close $fd;
1153 return undef;
1154 }
1155
1156 ## ......................................................................
1157 ## git utility functions, directly accessing git repository
1158
1159 sub git_get_project_description {
1160 my $path = shift;
1161
1162 open my $fd, "$projectroot/$path/description" or return undef;
1163 my $descr = <$fd>;
1164 close $fd;
1165 if (defined $descr) {
1166 chomp $descr;
1167 }
1168 return $descr;
1169 }
1170
1171 sub git_get_project_url_list {
1172 my $path = shift;
1173
1174 open my $fd, "$projectroot/$path/cloneurl" or return;
1175 my @git_project_url_list = map { chomp; $_ } <$fd>;
1176 close $fd;
1177
1178 return wantarray ? @git_project_url_list : \@git_project_url_list;
1179 }
1180
1181 sub git_get_projects_list {
1182 my ($filter) = @_;
1183 my @list;
1184
1185 $filter ||= '';
1186 $filter =~ s/\.git$//;
1187
1188 my ($check_forks) = gitweb_check_feature('forks');
1189
1190 if (-d $projects_list) {
1191 # search in directory
1192 my $dir = $projects_list . ($filter ? "/$filter" : '');
1193 # remove the trailing "/"
1194 $dir =~ s!/+$!!;
1195 my $pfxlen = length("$dir");
1196
1197 File::Find::find({
1198 follow_fast => 1, # follow symbolic links
1199 dangling_symlinks => 0, # ignore dangling symlinks, silently
1200 wanted => sub {
1201 # skip project-list toplevel, if we get it.
1202 return if (m!^[/.]$!);
1203 # only directories can be git repositories
1204 return unless (-d $_);
1205
1206 my $subdir = substr($File::Find::name, $pfxlen + 1);
1207 # we check related file in $projectroot
1208 if ($check_forks and $subdir =~ m#/.#) {
1209 $File::Find::prune = 1;
1210 } elsif (check_export_ok("$projectroot/$filter/$subdir")) {
1211 push @list, { path => ($filter ? "$filter/" : '') . $subdir };
1212 $File::Find::prune = 1;
1213 }
1214 },
1215 }, "$dir");
1216
1217 } elsif (-f $projects_list) {
1218 # read from file(url-encoded):
1219 # 'git%2Fgit.git Linus+Torvalds'
1220 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
1221 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
1222 my %paths;
1223 open my ($fd), $projects_list or return;
1224 PROJECT:
1225 while (my $line = <$fd>) {
1226 chomp $line;
1227 my ($path, $owner) = split ' ', $line;
1228 $path = unescape($path);
1229 $owner = unescape($owner);
1230 if (!defined $path) {
1231 next;
1232 }
1233 if ($filter ne '') {
1234 # looking for forks;
1235 my $pfx = substr($path, 0, length($filter));
1236 if ($pfx ne $filter) {
1237 next PROJECT;
1238 }
1239 my $sfx = substr($path, length($filter));
1240 if ($sfx !~ /^\/.*\.git$/) {
1241 next PROJECT;
1242 }
1243 } elsif ($check_forks) {
1244 PATH:
1245 foreach my $filter (keys %paths) {
1246 # looking for forks;
1247 my $pfx = substr($path, 0, length($filter));
1248 if ($pfx ne $filter) {
1249 next PATH;
1250 }
1251 my $sfx = substr($path, length($filter));
1252 if ($sfx !~ /^\/.*\.git$/) {
1253 next PATH;
1254 }
1255 # is a fork, don't include it in
1256 # the list
1257 next PROJECT;
1258 }
1259 }
1260 if (check_export_ok("$projectroot/$path")) {
1261 my $pr = {
1262 path => $path,
1263 owner => to_utf8($owner),
1264 };
1265 push @list, $pr;
1266 (my $forks_path = $path) =~ s/\.git$//;
1267 $paths{$forks_path}++;
1268 }
1269 }
1270 close $fd;
1271 }
1272 return @list;
1273 }
1274
1275 sub git_get_project_owner {
1276 my $project = shift;
1277 my $owner;
1278
1279 return undef unless $project;
1280
1281 # read from file (url-encoded):
1282 # 'git%2Fgit.git Linus+Torvalds'
1283 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
1284 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
1285 if (-f $projects_list) {
1286 open (my $fd , $projects_list);
1287 while (my $line = <$fd>) {
1288 chomp $line;
1289 my ($pr, $ow) = split ' ', $line;
1290 $pr = unescape($pr);
1291 $ow = unescape($ow);
1292 if ($pr eq $project) {
1293 $owner = to_utf8($ow);
1294 last;
1295 }
1296 }
1297 close $fd;
1298 }
1299 if (!defined $owner) {
1300 $owner = get_file_owner("$projectroot/$project");
1301 }
1302
1303 return $owner;
1304 }
1305
1306 sub git_get_last_activity {
1307 my ($path) = @_;
1308 my $fd;
1309
1310 $git_dir = "$projectroot/$path";
1311 open($fd, "-|", git_cmd(), 'for-each-ref',
1312 '--format=%(committer)',
1313 '--sort=-committerdate',
1314 '--count=1',
1315 'refs/heads') or return;
1316 my $most_recent = <$fd>;
1317 close $fd or return;
1318 if (defined $most_recent &&
1319 $most_recent =~ / (\d+) [-+][01]\d\d\d$/) {
1320 my $timestamp = $1;
1321 my $age = time - $timestamp;
1322 return ($age, age_string($age));
1323 }
1324 }
1325
1326 sub git_get_references {
1327 my $type = shift || "";
1328 my %refs;
1329 # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c refs/tags/v2.6.11
1330 # c39ae07f393806ccf406ef966e9a15afc43cc36a refs/tags/v2.6.11^{}
1331 open my $fd, "-|", git_cmd(), "show-ref", "--dereference",
1332 ($type ? ("--", "refs/$type") : ()) # use -- <pattern> if $type
1333 or return;
1334
1335 while (my $line = <$fd>) {
1336 chomp $line;
1337 if ($line =~ m!^([0-9a-fA-F]{40})\srefs/($type/?[^^]+)!) {
1338 if (defined $refs{$1}) {
1339 push @{$refs{$1}}, $2;
1340 } else {
1341 $refs{$1} = [ $2 ];
1342 }
1343 }
1344 }
1345 close $fd or return;
1346 return \%refs;
1347 }
1348
1349 sub git_get_rev_name_tags {
1350 my $hash = shift || return undef;
1351
1352 open my $fd, "-|", git_cmd(), "name-rev", "--tags", $hash
1353 or return;
1354 my $name_rev = <$fd>;
1355 close $fd;
1356
1357 if ($name_rev =~ m|^$hash tags/(.*)$|) {
1358 return $1;
1359 } else {
1360 # catches also '$hash undefined' output
1361 return undef;
1362 }
1363 }
1364
1365 ## ----------------------------------------------------------------------
1366 ## parse to hash functions
1367
1368 sub parse_date {
1369 my $epoch = shift;
1370 my $tz = shift || "-0000";
1371
1372 my %date;
1373 my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
1374 my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
1375 my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
1376 $date{'hour'} = $hour;
1377 $date{'minute'} = $min;
1378 $date{'mday'} = $mday;
1379 $date{'day'} = $days[$wday];
1380 $date{'month'} = $months[$mon];
1381 $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
1382 $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
1383 $date{'mday-time'} = sprintf "%d %s %02d:%02d",
1384 $mday, $months[$mon], $hour ,$min;
1385 $date{'iso-8601'} = sprintf "%04d-%02d-%02dT%02d:%02d:%02dZ",
1386 1900+$year, $mon, $mday, $hour ,$min, $sec;
1387
1388 $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
1389 my $local = $epoch + ((int $1 + ($2/60)) * 3600);
1390 ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
1391 $date{'hour_local'} = $hour;
1392 $date{'minute_local'} = $min;
1393 $date{'tz_local'} = $tz;
1394 $date{'iso-tz'} = sprintf("%04d-%02d-%02d %02d:%02d:%02d %s",
1395 1900+$year, $mon+1, $mday,
1396 $hour, $min, $sec, $tz);
1397 return %date;
1398 }
1399
1400 sub parse_tag {
1401 my $tag_id = shift;
1402 my %tag;
1403 my @comment;
1404
1405 open my $fd, "-|", git_cmd(), "cat-file", "tag", $tag_id or return;
1406 $tag{'id'} = $tag_id;
1407 while (my $line = <$fd>) {
1408 chomp $line;
1409 if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
1410 $tag{'object'} = $1;
1411 } elsif ($line =~ m/^type (.+)$/) {
1412 $tag{'type'} = $1;
1413 } elsif ($line =~ m/^tag (.+)$/) {
1414 $tag{'name'} = $1;
1415 } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
1416 $tag{'author'} = $1;
1417 $tag{'epoch'} = $2;
1418 $tag{'tz'} = $3;
1419 } elsif ($line =~ m/--BEGIN/) {
1420 push @comment, $line;
1421 last;
1422 } elsif ($line eq "") {
1423 last;
1424 }
1425 }
1426 push @comment, <$fd>;
1427 $tag{'comment'} = \@comment;
1428 close $fd or return;
1429 if (!defined $tag{'name'}) {
1430 return
1431 };
1432 return %tag
1433 }
1434
1435 sub parse_commit_text {
1436 my ($commit_text, $withparents) = @_;
1437 my @commit_lines = split '\n', $commit_text;
1438 my %co;
1439
1440 pop @commit_lines; # Remove '\0'
1441
1442 if (! @commit_lines) {
1443 return;
1444 }
1445
1446 my $header = shift @commit_lines;
1447 if ($header !~ m/^[0-9a-fA-F]{40}/) {
1448 return;
1449 }
1450 ($co{'id'}, my @parents) = split ' ', $header;
1451 while (my $line = shift @commit_lines) {
1452 last if $line eq "\n";
1453 if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
1454 $co{'tree'} = $1;
1455 } elsif ((!defined $withparents) && ($line =~ m/^parent ([0-9a-fA-F]{40})$/)) {
1456 push @parents, $1;
1457 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
1458 $co{'author'} = $1;
1459 $co{'author_epoch'} = $2;
1460 $co{'author_tz'} = $3;
1461 if ($co{'author'} =~ m/^([^<]+) <([^>]*)>/) {
1462 $co{'author_name'} = $1;
1463 $co{'author_email'} = $2;
1464 } else {
1465 $co{'author_name'} = $co{'author'};
1466 }
1467 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
1468 $co{'committer'} = $1;
1469 $co{'committer_epoch'} = $2;
1470 $co{'committer_tz'} = $3;
1471 $co{'committer_name'} = $co{'committer'};
1472 if ($co{'committer'} =~ m/^([^<]+) <([^>]*)>/) {
1473 $co{'committer_name'} = $1;
1474 $co{'committer_email'} = $2;
1475 } else {
1476 $co{'committer_name'} = $co{'committer'};
1477 }
1478 }
1479 }
1480 if (!defined $co{'tree'}) {
1481 return;
1482 };
1483 $co{'parents'} = \@parents;
1484 $co{'parent'} = $parents[0];
1485
1486 foreach my $title (@commit_lines) {
1487 $title =~ s/^ //;
1488 if ($title ne "") {
1489 $co{'title'} = chop_str($title, 80, 5);
1490 # remove leading stuff of merges to make the interesting part visible
1491 if (length($title) > 50) {
1492 $title =~ s/^Automatic //;
1493 $title =~ s/^merge (of|with) /Merge ... /i;
1494 if (length($title) > 50) {
1495 $title =~ s/(http|rsync):\/\///;
1496 }
1497 if (length($title) > 50) {
1498 $title =~ s/(master|www|rsync)\.//;
1499 }
1500 if (length($title) > 50) {
1501 $title =~ s/kernel.org:?//;
1502 }
1503 if (length($title) > 50) {
1504 $title =~ s/\/pub\/scm//;
1505 }
1506 }
1507 $co{'title_short'} = chop_str($title, 50, 5);
1508 last;
1509 }
1510 }
1511 if ($co{'title'} eq "") {
1512 $co{'title'} = $co{'title_short'} = '(no commit message)';
1513 }
1514 # remove added spaces
1515 foreach my $line (@commit_lines) {
1516 $line =~ s/^ //;
1517 }
1518 $co{'comment'} = \@commit_lines;
1519
1520 my $age = time - $co{'committer_epoch'};
1521 $co{'age'} = $age;
1522 $co{'age_string'} = age_string($age);
1523 my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
1524 if ($age > 60*60*24*7*2) {
1525 $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
1526 $co{'age_string_age'} = $co{'age_string'};
1527 } else {
1528 $co{'age_string_date'} = $co{'age_string'};
1529 $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
1530 }
1531 return %co;
1532 }
1533
1534 sub parse_commit {
1535 my ($commit_id) = @_;
1536 my %co;
1537
1538 local $/ = "\0";
1539
1540 open my $fd, "-|", git_cmd(), "rev-list",
1541 "--parents",
1542 "--header",
1543 "--max-count=1",
1544 $commit_id,
1545 "--",
1546 or die_error(undef, "Open git-rev-list failed");
1547 %co = parse_commit_text(<$fd>, 1);
1548 close $fd;
1549
1550 return %co;
1551 }
1552
1553 sub parse_commits {
1554 my ($commit_id, $maxcount, $skip, $arg, $filename) = @_;
1555 my @cos;
1556
1557 $maxcount ||= 1;
1558 $skip ||= 0;
1559
1560 local $/ = "\0";
1561
1562 open my $fd, "-|", git_cmd(), "rev-list",
1563 "--header",
1564 ($arg ? ($arg) : ()),
1565 ("--max-count=" . $maxcount),
1566 ("--skip=" . $skip),
1567 $commit_id,
1568 "--",
1569 ($filename ? ($filename) : ())
1570 or die_error(undef, "Open git-rev-list failed");
1571 while (my $line = <$fd>) {
1572 my %co = parse_commit_text($line);
1573 push @cos, \%co;
1574 }
1575 close $fd;
1576
1577 return wantarray ? @cos : \@cos;
1578 }
1579
1580 # parse ref from ref_file, given by ref_id, with given type
1581 sub parse_ref {
1582 my $ref_file = shift;
1583 my $ref_id = shift;
1584 my $type = shift || git_get_type($ref_id);
1585 my %ref_item;
1586
1587 $ref_item{'type'} = $type;
1588 $ref_item{'id'} = $ref_id;
1589 $ref_item{'epoch'} = 0;
1590 $ref_item{'age'} = "unknown";
1591 if ($type eq "tag") {
1592 my %tag = parse_tag($ref_id);
1593 $ref_item{'comment'} = $tag{'comment'};
1594 if ($tag{'type'} eq "commit") {
1595 my %co = parse_commit($tag{'object'});
1596 $ref_item{'epoch'} = $co{'committer_epoch'};
1597 $ref_item{'age'} = $co{'age_string'};
1598 } elsif (defined($tag{'epoch'})) {
1599 my $age = time - $tag{'epoch'};
1600 $ref_item{'epoch'} = $tag{'epoch'};
1601 $ref_item{'age'} = age_string($age);
1602 }
1603 $ref_item{'reftype'} = $tag{'type'};
1604 $ref_item{'name'} = $tag{'name'};
1605 $ref_item{'refid'} = $tag{'object'};
1606 } elsif ($type eq "commit"){
1607 my %co = parse_commit($ref_id);
1608 $ref_item{'reftype'} = "commit";
1609 $ref_item{'name'} = $ref_file;
1610 $ref_item{'title'} = $co{'title'};
1611 $ref_item{'refid'} = $ref_id;
1612 $ref_item{'epoch'} = $co{'committer_epoch'};
1613 $ref_item{'age'} = $co{'age_string'};
1614 } else {
1615 $ref_item{'reftype'} = $type;
1616 $ref_item{'name'} = $ref_file;
1617 $ref_item{'refid'} = $ref_id;
1618 }
1619
1620 return %ref_item;
1621 }
1622
1623 # parse line of git-diff-tree "raw" output
1624 sub parse_difftree_raw_line {
1625 my $line = shift;
1626 my %res;
1627
1628 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M ls-files.c'
1629 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M rev-tree.c'
1630 if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
1631 $res{'from_mode'} = $1;
1632 $res{'to_mode'} = $2;
1633 $res{'from_id'} = $3;
1634 $res{'to_id'} = $4;
1635 $res{'status'} = $5;
1636 $res{'similarity'} = $6;
1637 if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
1638 ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
1639 } else {
1640 $res{'file'} = unquote($7);
1641 }
1642 }
1643 # '::100755 100755 100755 60e79ca1b01bc8b057abe17ddab484699a7f5fdb 94067cc5f73388f33722d52ae02f44692bc07490 94067cc5f73388f33722d52ae02f44692bc07490 MR git-gui/git-gui.sh'
1644 # combined diff (for merge commit)
1645 elsif ($line =~ s/^(::+)((?:[0-7]{6} )+)((?:[0-9a-fA-F]{40} )+)([a-zA-Z]+)\t(.*)$//) {
1646 $res{'nparents'} = length($1);
1647 $res{'from_mode'} = [ split(' ', $2) ];
1648 $res{'to_mode'} = pop @{$res{'from_mode'}};
1649 $res{'from_id'} = [ split(' ', $3) ];
1650 $res{'to_id'} = pop @{$res{'from_id'}};
1651 $res{'status'} = [ split('', $4) ];
1652 $res{'to_file'} = unquote($5);
1653 }
1654 # 'c512b523472485aef4fff9e57b229d9d243c967f'
1655 elsif ($line =~ m/^([0-9a-fA-F]{40})$/) {
1656 $res{'commit'} = $1;
1657 }
1658
1659 return wantarray ? %res : \%res;
1660 }
1661
1662 # parse line of git-ls-tree output
1663 sub parse_ls_tree_line ($;%) {
1664 my $line = shift;
1665 my %opts = @_;
1666 my %res;
1667
1668 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
1669 $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/s;
1670
1671 $res{'mode'} = $1;
1672 $res{'type'} = $2;
1673 $res{'hash'} = $3;
1674 if ($opts{'-z'}) {
1675 $res{'name'} = $4;
1676 } else {
1677 $res{'name'} = unquote($4);
1678 }
1679
1680 return wantarray ? %res : \%res;
1681 }
1682
1683 ## ......................................................................
1684 ## parse to array of hashes functions
1685
1686 sub git_get_heads_list {
1687 my $limit = shift;
1688 my @headslist;
1689
1690 open my $fd, '-|', git_cmd(), 'for-each-ref',
1691 ($limit ? '--count='.($limit+1) : ()), '--sort=-committerdate',
1692 '--format=%(objectname) %(refname) %(subject)%00%(committer)',
1693 'refs/heads'
1694 or return;
1695 while (my $line = <$fd>) {
1696 my %ref_item;
1697
1698 chomp $line;
1699 my ($refinfo, $committerinfo) = split(/\0/, $line);
1700 my ($hash, $name, $title) = split(' ', $refinfo, 3);
1701 my ($committer, $epoch, $tz) =
1702 ($committerinfo =~ /^(.*) ([0-9]+) (.*)$/);
1703 $name =~ s!^refs/heads/!!;
1704
1705 $ref_item{'name'} = $name;
1706 $ref_item{'id'} = $hash;
1707 $ref_item{'title'} = $title || '(no commit message)';
1708 $ref_item{'epoch'} = $epoch;
1709 if ($epoch) {
1710 $ref_item{'age'} = age_string(time - $ref_item{'epoch'});
1711 } else {
1712 $ref_item{'age'} = "unknown";
1713 }
1714
1715 push @headslist, \%ref_item;
1716 }
1717 close $fd;
1718
1719 return wantarray ? @headslist : \@headslist;
1720 }
1721
1722 sub git_get_tags_list {
1723 my $limit = shift;
1724 my @tagslist;
1725
1726 open my $fd, '-|', git_cmd(), 'for-each-ref',
1727 ($limit ? '--count='.($limit+1) : ()), '--sort=-creatordate',
1728 '--format=%(objectname) %(objecttype) %(refname) '.
1729 '%(*objectname) %(*objecttype) %(subject)%00%(creator)',
1730 'refs/tags'
1731 or return;
1732 while (my $line = <$fd>) {
1733 my %ref_item;
1734
1735 chomp $line;
1736 my ($refinfo, $creatorinfo) = split(/\0/, $line);
1737 my ($id, $type, $name, $refid, $reftype, $title) = split(' ', $refinfo, 6);
1738 my ($creator, $epoch, $tz) =
1739 ($creatorinfo =~ /^(.*) ([0-9]+) (.*)$/);
1740 $name =~ s!^refs/tags/!!;
1741
1742 $ref_item{'type'} = $type;
1743 $ref_item{'id'} = $id;
1744 $ref_item{'name'} = $name;
1745 if ($type eq "tag") {
1746 $ref_item{'subject'} = $title;
1747 $ref_item{'reftype'} = $reftype;
1748 $ref_item{'refid'} = $refid;
1749 } else {
1750 $ref_item{'reftype'} = $type;
1751 $ref_item{'refid'} = $id;
1752 }
1753
1754 if ($type eq "tag" || $type eq "commit") {
1755 $ref_item{'epoch'} = $epoch;
1756 if ($epoch) {
1757 $ref_item{'age'} = age_string(time - $ref_item{'epoch'});
1758 } else {
1759 $ref_item{'age'} = "unknown";
1760 }
1761 }
1762
1763 push @tagslist, \%ref_item;
1764 }
1765 close $fd;
1766
1767 return wantarray ? @tagslist : \@tagslist;
1768 }
1769
1770 ## ----------------------------------------------------------------------
1771 ## filesystem-related functions
1772
1773 sub get_file_owner {
1774 my $path = shift;
1775
1776 my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
1777 my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
1778 if (!defined $gcos) {
1779 return undef;
1780 }
1781 my $owner = $gcos;
1782 $owner =~ s/[,;].*$//;
1783 return to_utf8($owner);
1784 }
1785
1786 ## ......................................................................
1787 ## mimetype related functions
1788
1789 sub mimetype_guess_file {
1790 my $filename = shift;
1791 my $mimemap = shift;
1792 -r $mimemap or return undef;
1793
1794 my %mimemap;
1795 open(MIME, $mimemap) or return undef;
1796 while (<MIME>) {
1797 next if m/^#/; # skip comments
1798 my ($mime, $exts) = split(/\t+/);
1799 if (defined $exts) {
1800 my @exts = split(/\s+/, $exts);
1801 foreach my $ext (@exts) {
1802 $mimemap{$ext} = $mime;
1803 }
1804 }
1805 }
1806 close(MIME);
1807
1808 $filename =~ /\.([^.]*)$/;
1809 return $mimemap{$1};
1810 }
1811
1812 sub mimetype_guess {
1813 my $filename = shift;
1814 my $mime;
1815 $filename =~ /\./ or return undef;
1816
1817 if ($mimetypes_file) {
1818 my $file = $mimetypes_file;
1819 if ($file !~ m!^/!) { # if it is relative path
1820 # it is relative to project
1821 $file = "$projectroot/$project/$file";
1822 }
1823 $mime = mimetype_guess_file($filename, $file);
1824 }
1825 $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1826 return $mime;
1827 }
1828
1829 sub blob_mimetype {
1830 my $fd = shift;
1831 my $filename = shift;
1832
1833 if ($filename) {
1834 my $mime = mimetype_guess($filename);
1835 $mime and return $mime;
1836 }
1837
1838 # just in case
1839 return $default_blob_plain_mimetype unless $fd;
1840
1841 if (-T $fd) {
1842 return 'text/plain' .
1843 ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1844 } elsif (! $filename) {
1845 return 'application/octet-stream';
1846 } elsif ($filename =~ m/\.png$/i) {
1847 return 'image/png';
1848 } elsif ($filename =~ m/\.gif$/i) {
1849 return 'image/gif';
1850 } elsif ($filename =~ m/\.jpe?g$/i) {
1851 return 'image/jpeg';
1852 } else {
1853 return 'application/octet-stream';
1854 }
1855 }
1856
1857 ## ======================================================================
1858 ## functions printing HTML: header, footer, error page
1859
1860 sub git_header_html {
1861 my $status = shift || "200 OK";
1862 my $expires = shift;
1863
1864 my $title = "$site_name";
1865 if (defined $project) {
1866 $title .= " - " . to_utf8($project);
1867 if (defined $action) {
1868 $title .= "/$action";
1869 if (defined $file_name) {
1870 $title .= " - " . esc_path($file_name);
1871 if ($action eq "tree" && $file_name !~ m|/$|) {
1872 $title .= "/";
1873 }
1874 }
1875 }
1876 }
1877 my $content_type;
1878 # require explicit support from the UA if we are to send the page as
1879 # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
1880 # we have to do this because MSIE sometimes globs '*/*', pretending to
1881 # support xhtml+xml but choking when it gets what it asked for.
1882 if (defined $cgi->http('HTTP_ACCEPT') &&
1883 $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ &&
1884 $cgi->Accept('application/xhtml+xml') != 0) {
1885 $content_type = 'application/xhtml+xml';
1886 } else {
1887 $content_type = 'text/html';
1888 }
1889 print $cgi->header(-type=>$content_type, -charset => 'utf-8',
1890 -status=> $status, -expires => $expires);
1891 my $mod_perl_version = $ENV{'MOD_PERL'} ? " $ENV{'MOD_PERL'}" : '';
1892 print <<EOF;
1893 <?xml version="1.0" encoding="utf-8"?>
1894 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
1895 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
1896 <!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
1897 <!-- git core binaries version $git_version -->
1898 <head>
1899 <meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
1900 <meta name="generator" content="gitweb/$version git/$git_version$mod_perl_version"/>
1901 <meta name="robots" content="index, nofollow"/>
1902 <title>$title</title>
1903 EOF
1904 # print out each stylesheet that exist
1905 if (defined $stylesheet) {
1906 #provides backwards capability for those people who define style sheet in a config file
1907 print '<link rel="stylesheet" type="text/css" href="'.$stylesheet.'"/>'."\n";
1908 } else {
1909 foreach my $stylesheet (@stylesheets) {
1910 next unless $stylesheet;
1911 print '<link rel="stylesheet" type="text/css" href="'.$stylesheet.'"/>'."\n";
1912 }
1913 }
1914 if (defined $project) {
1915 printf('<link rel="alternate" title="%s log RSS feed" '.
1916 'href="%s" type="application/rss+xml" />'."\n",
1917 esc_param($project), href(action=>"rss"));
1918 printf('<link rel="alternate" title="%s log Atom feed" '.
1919 'href="%s" type="application/atom+xml" />'."\n",
1920 esc_param($project), href(action=>"atom"));
1921 } else {
1922 printf('<link rel="alternate" title="%s projects list" '.
1923 'href="%s" type="text/plain; charset=utf-8"/>'."\n",
1924 $site_name, href(project=>undef, action=>"project_index"));
1925 printf('<link rel="alternate" title="%s projects feeds" '.
1926 'href="%s" type="text/x-opml"/>'."\n",
1927 $site_name, href(project=>undef, action=>"opml"));
1928 }
1929 if (defined $favicon) {
1930 print qq(<link rel="shortcut icon" href="$favicon" type="image/png"/>\n);
1931 }
1932
1933 print "</head>\n" .
1934 "<body>\n";
1935
1936 if (-f $site_header) {
1937 open (my $fd, $site_header);
1938 print <$fd>;
1939 close $fd;
1940 }
1941
1942 print "<div class=\"page_header\">\n" .
1943 $cgi->a({-href => esc_url($logo_url),
1944 -title => $logo_label},
1945 qq(<img src="$logo" width="72" height="27" alt="git" class="logo"/>));
1946 print $cgi->a({-href => esc_url($home_link)}, $home_link_str) . " / ";
1947 if (defined $project) {
1948 print $cgi->a({-href => href(action=>"summary")}, esc_html($project));
1949 if (defined $action) {
1950 print " / $action";
1951 }
1952 print "\n";
1953 }
1954 print "</div>\n";
1955
1956 my ($have_search) = gitweb_check_feature('search');
1957 if ((defined $project) && ($have_search)) {
1958 if (!defined $searchtext) {
1959 $searchtext = "";
1960 }
1961 my $search_hash;
1962 if (defined $hash_base) {
1963 $search_hash = $hash_base;
1964 } elsif (defined $hash) {
1965 $search_hash = $hash;
1966 } else {
1967 $search_hash = "HEAD";
1968 }
1969 $cgi->param("a", "search");
1970 $cgi->param("h", $search_hash);
1971 $cgi->param("p", $project);
1972 print $cgi->startform(-method => "get", -action => $my_uri) .
1973 "<div class=\"search\">\n" .
1974 $cgi->hidden(-name => "p") . "\n" .
1975 $cgi->hidden(-name => "a") . "\n" .
1976 $cgi->hidden(-name => "h") . "\n" .
1977 $cgi->popup_menu(-name => 'st', -default => 'commit',
1978 -values => ['commit', 'grep', 'author', 'committer', 'pickaxe']) .
1979 $cgi->sup($cgi->a({-href => href(action=>"search_help")}, "?")) .
1980 " search:\n",
1981 $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
1982 "</div>" .
1983 $cgi->end_form() . "\n";
1984 }
1985 }
1986
1987 sub git_footer_html {
1988 print "<div class=\"page_footer\">\n";
1989 if (defined $project) {
1990 my $descr = git_get_project_description($project);
1991 if (defined $descr) {
1992 print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
1993 }
1994 print $cgi->a({-href => href(action=>"rss"),
1995 -class => "rss_logo"}, "RSS") . " ";
1996 print $cgi->a({-href => href(action=>"atom"),
1997 -class => "rss_logo"}, "Atom") . "\n";
1998 } else {
1999 print $cgi->a({-href => href(project=>undef, action=>"opml"),
2000 -class => "rss_logo"}, "OPML") . " ";
2001 print $cgi->a({-href => href(project=>undef, action=>"project_index"),
2002 -class => "rss_logo"}, "TXT") . "\n";
2003 }
2004 print "</div>\n" ;
2005
2006 if (-f $site_footer) {
2007 open (my $fd, $site_footer);
2008 print <$fd>;
2009 close $fd;
2010 }
2011
2012 print "</body>\n" .
2013 "</html>";
2014 }
2015
2016 sub die_error {
2017 my $status = shift || "403 Forbidden";
2018 my $error = shift || "Malformed query, file missing or permission denied";
2019
2020 git_header_html($status);
2021 print <<EOF;
2022 <div class="page_body">
2023 <br /><br />
2024 $status - $error
2025 <br />
2026 </div>
2027 EOF
2028 git_footer_html();
2029 exit;
2030 }
2031
2032 ## ----------------------------------------------------------------------
2033 ## functions printing or outputting HTML: navigation
2034
2035 sub git_print_page_nav {
2036 my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
2037 $extra = '' if !defined $extra; # pager or formats
2038
2039 my @navs = qw(summary shortlog log commit commitdiff tree);
2040 if ($suppress) {
2041 @navs = grep { $_ ne $suppress } @navs;
2042 }
2043
2044 my %arg = map { $_ => {action=>$_} } @navs;
2045 if (defined $head) {
2046 for (qw(commit commitdiff)) {
2047 $arg{$_}{'hash'} = $head;
2048 }
2049 if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
2050 for (qw(shortlog log)) {
2051 $arg{$_}{'hash'} = $head;
2052 }
2053 }
2054 }
2055 $arg{'tree'}{'hash'} = $treehead if defined $treehead;
2056 $arg{'tree'}{'hash_base'} = $treebase if defined $treebase;
2057
2058 print "<div class=\"page_nav\">\n" .
2059 (join " | ",
2060 map { $_ eq $current ?
2061 $_ : $cgi->a({-href => href(%{$arg{$_}})}, "$_")
2062 } @navs);
2063 print "<br/>\n$extra<br/>\n" .
2064 "</div>\n";
2065 }
2066
2067 sub format_paging_nav {
2068 my ($action, $hash, $head, $page, $nrevs) = @_;
2069 my $paging_nav;
2070
2071
2072 if ($hash ne $head || $page) {
2073 $paging_nav .= $cgi->a({-href => href(action=>$action)}, "HEAD");
2074 } else {
2075 $paging_nav .= "HEAD";
2076 }
2077
2078 if ($page > 0) {
2079 $paging_nav .= " &sdot; " .
2080 $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page-1),
2081 -accesskey => "p", -title => "Alt-p"}, "prev");
2082 } else {
2083 $paging_nav .= " &sdot; prev";
2084 }
2085
2086 if ($nrevs >= (100 * ($page+1)-1)) {
2087 $paging_nav .= " &sdot; " .
2088 $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page+1),
2089 -accesskey => "n", -title => "Alt-n"}, "next");
2090 } else {
2091 $paging_nav .= " &sdot; next";
2092 }
2093
2094 return $paging_nav;
2095 }
2096
2097 ## ......................................................................
2098 ## functions printing or outputting HTML: div
2099
2100 sub git_print_header_div {
2101 my ($action, $title, $hash, $hash_base) = @_;
2102 my %args = ();
2103
2104 $args{'action'} = $action;
2105 $args{'hash'} = $hash if $hash;
2106 $args{'hash_base'} = $hash_base if $hash_base;
2107
2108 print "<div class=\"header\">\n" .
2109 $cgi->a({-href => href(%args), -class => "title"},
2110 $title ? $title : $action) .
2111 "\n</div>\n";
2112 }
2113
2114 #sub git_print_authorship (\%) {
2115 sub git_print_authorship {
2116 my $co = shift;
2117
2118 my %ad = parse_date($co->{'author_epoch'}, $co->{'author_tz'});
2119 print "<div class=\"author_date\">" .
2120 esc_html($co->{'author_name'}) .
2121 " [$ad{'rfc2822'}";
2122 if ($ad{'hour_local'} < 6) {
2123 printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
2124 $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2125 } else {
2126 printf(" (%02d:%02d %s)",
2127 $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2128 }
2129 print "]</div>\n";
2130 }
2131
2132 sub git_print_page_path {
2133 my $name = shift;
2134 my $type = shift;
2135 my $hb = shift;
2136
2137
2138 print "<div class=\"page_path\">";
2139 print $cgi->a({-href => href(action=>"tree", hash_base=>$hb),
2140 -title => 'tree root'}, to_utf8("[$project]"));
2141 print " / ";
2142 if (defined $name) {
2143 my @dirname = split '/', $name;
2144 my $basename = pop @dirname;
2145 my $fullname = '';
2146
2147 foreach my $dir (@dirname) {
2148 $fullname .= ($fullname ? '/' : '') . $dir;
2149 print $cgi->a({-href => href(action=>"tree", file_name=>$fullname,
2150 hash_base=>$hb),
2151 -title => $fullname}, esc_path($dir));
2152 print " / ";
2153 }
2154 if (defined $type && $type eq 'blob') {
2155 print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
2156 hash_base=>$hb),
2157 -title => $name}, esc_path($basename));
2158 } elsif (defined $type && $type eq 'tree') {
2159 print $cgi->a({-href => href(action=>"tree", file_name=>$file_name,
2160 hash_base=>$hb),
2161 -title => $name}, esc_path($basename));
2162 print " / ";
2163 } else {
2164 print esc_path($basename);
2165 }
2166 }
2167 print "<br/></div>\n";
2168 }
2169
2170 # sub git_print_log (\@;%) {
2171 sub git_print_log ($;%) {
2172 my $log = shift;
2173 my %opts = @_;
2174
2175 if ($opts{'-remove_title'}) {
2176 # remove title, i.e. first line of log
2177 shift @$log;
2178 }
2179 # remove leading empty lines
2180 while (defined $log->[0] && $log->[0] eq "") {
2181 shift @$log;
2182 }
2183
2184 # print log
2185 my $signoff = 0;
2186 my $empty = 0;
2187 foreach my $line (@$log) {
2188 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
2189 $signoff = 1;
2190 $empty = 0;
2191 if (! $opts{'-remove_signoff'}) {
2192 print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
2193 next;
2194 } else {
2195 # remove signoff lines
2196 next;
2197 }
2198 } else {
2199 $signoff = 0;
2200 }
2201
2202 # print only one empty line
2203 # do not print empty line after signoff
2204 if ($line eq "") {
2205 next if ($empty || $signoff);
2206 $empty = 1;
2207 } else {
2208 $empty = 0;
2209 }
2210
2211 print format_log_line_html($line) . "<br/>\n";
2212 }
2213
2214 if ($opts{'-final_empty_line'}) {
2215 # end with single empty line
2216 print "<br/>\n" unless $empty;
2217 }
2218 }
2219
2220 # return link target (what link points to)
2221 sub git_get_link_target {
2222 my $hash = shift;
2223 my $link_target;
2224
2225 # read link
2226 open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
2227 or return;
2228 {
2229 local $/;
2230 $link_target = <$fd>;
2231 }
2232 close $fd
2233 or return;
2234
2235 return $link_target;
2236 }
2237
2238 # given link target, and the directory (basedir) the link is in,
2239 # return target of link relative to top directory (top tree);
2240 # return undef if it is not possible (including absolute links).
2241 sub normalize_link_target {
2242 my ($link_target, $basedir, $hash_base) = @_;
2243
2244 # we can normalize symlink target only if $hash_base is provided
2245 return unless $hash_base;
2246
2247 # absolute symlinks (beginning with '/') cannot be normalized
2248 return if (substr($link_target, 0, 1) eq '/');
2249
2250 # normalize link target to path from top (root) tree (dir)
2251 my $path;
2252 if ($basedir) {
2253 $path = $basedir . '/' . $link_target;
2254 } else {
2255 # we are in top (root) tree (dir)
2256 $path = $link_target;
2257 }
2258
2259 # remove //, /./, and /../
2260 my @path_parts;
2261 foreach my $part (split('/', $path)) {
2262 # discard '.' and ''
2263 next if (!$part || $part eq '.');
2264 # handle '..'
2265 if ($part eq '..') {
2266 if (@path_parts) {
2267 pop @path_parts;
2268 } else {
2269 # link leads outside repository (outside top dir)
2270 return;
2271 }
2272 } else {
2273 push @path_parts, $part;
2274 }
2275 }
2276 $path = join('/', @path_parts);
2277
2278 return $path;
2279 }
2280
2281 # print tree entry (row of git_tree), but without encompassing <tr> element
2282 sub git_print_tree_entry {
2283 my ($t, $basedir, $hash_base, $have_blame) = @_;
2284
2285 my %base_key = ();
2286 $base_key{'hash_base'} = $hash_base if defined $hash_base;
2287
2288 # The format of a table row is: mode list link. Where mode is
2289 # the mode of the entry, list is the name of the entry, an href,
2290 # and link is the action links of the entry.
2291
2292 print "<td class=\"mode\">" . mode_str($t->{'mode'}) . "</td>\n";
2293 if ($t->{'type'} eq "blob") {
2294 print "<td class=\"list\">" .
2295 $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
2296 file_name=>"$basedir$t->{'name'}", %base_key),
2297 -class => "list"}, esc_path($t->{'name'}));
2298 if (S_ISLNK(oct $t->{'mode'})) {
2299 my $link_target = git_get_link_target($t->{'hash'});
2300 if ($link_target) {
2301 my $norm_target = normalize_link_target($link_target, $basedir, $hash_base);
2302 if (defined $norm_target) {
2303 print " -> " .
2304 $cgi->a({-href => href(action=>"object", hash_base=>$hash_base,
2305 file_name=>$norm_target),
2306 -title => $norm_target}, esc_path($link_target));
2307 } else {
2308 print " -> " . esc_path($link_target);
2309 }
2310 }
2311 }
2312 print "</td>\n";
2313 print "<td class=\"link\">";
2314 print $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
2315 file_name=>"$basedir$t->{'name'}", %base_key)},
2316 "blob");
2317 if ($have_blame) {
2318 print " | " .
2319 $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
2320 file_name=>"$basedir$t->{'name'}", %base_key)},
2321 "blame");
2322 }
2323 if (defined $hash_base) {
2324 print " | " .
2325 $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2326 hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
2327 "history");
2328 }
2329 print " | " .
2330 $cgi->a({-href => href(action=>"blob_plain", hash_base=>$hash_base,
2331 file_name=>"$basedir$t->{'name'}")},
2332 "raw");
2333 print "</td>\n";
2334
2335 } elsif ($t->{'type'} eq "tree") {
2336 print "<td class=\"list\">";
2337 print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
2338 file_name=>"$basedir$t->{'name'}", %base_key)},
2339 esc_path($t->{'name'}));
2340 print "</td>\n";
2341 print "<td class=\"link\">";
2342 print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
2343 file_name=>"$basedir$t->{'name'}", %base_key)},
2344 "tree");
2345 if (defined $hash_base) {
2346 print " | " .
2347 $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2348 file_name=>"$basedir$t->{'name'}")},
2349 "history");
2350 }
2351 print "</td>\n";
2352 }
2353 }
2354
2355 ## ......................................................................
2356 ## functions printing large fragments of HTML
2357
2358 sub fill_from_file_info {
2359 my ($diff, @parents) = @_;
2360
2361 $diff->{'from_file'} = [ ];
2362 $diff->{'from_file'}[$diff->{'nparents'} - 1] = undef;
2363 for (my $i = 0; $i < $diff->{'nparents'}; $i++) {
2364 if ($diff->{'status'}[$i] eq 'R' ||
2365 $diff->{'status'}[$i] eq 'C') {
2366 $diff->{'from_file'}[$i] =
2367 git_get_path_by_hash($parents[$i], $diff->{'from_id'}[$i]);
2368 }
2369 }
2370
2371 return $diff;
2372 }
2373
2374 # parameters can be strings, or references to arrays of strings
2375 sub from_ids_eq {
2376 my ($a, $b) = @_;
2377
2378 if (ref($a) eq "ARRAY" && ref($b) eq "ARRAY" && @$a == @$b) {
2379 for (my $i = 0; $i < @$a; ++$i) {
2380 return 0 unless ($a->[$i] eq $b->[$i]);
2381 }
2382 return 1;
2383 } elsif (!ref($a) && !ref($b)) {
2384 return $a eq $b;
2385 } else {
2386 return 0;
2387 }
2388 }
2389
2390
2391 sub git_difftree_body {
2392 my ($difftree, $hash, @parents) = @_;
2393 my ($parent) = $parents[0];
2394 my ($have_blame) = gitweb_check_feature('blame');
2395 print "<div class=\"list_head\">\n";
2396 if ($#{$difftree} > 10) {
2397 print(($#{$difftree} + 1) . " files changed:\n");
2398 }
2399 print "</div>\n";
2400
2401 print "<table class=\"" .
2402 (@parents > 1 ? "combined " : "") .
2403 "diff_tree\">\n";
2404 my $alternate = 1;
2405 my $patchno = 0;
2406 foreach my $line (@{$difftree}) {
2407 my $diff;
2408 if (ref($line) eq "HASH") {
2409 # pre-parsed (or generated by hand)
2410 $diff = $line;
2411 } else {
2412 $diff = parse_difftree_raw_line($line);
2413 }
2414
2415 if ($alternate) {
2416 print "<tr class=\"dark\">\n";
2417 } else {
2418 print "<tr class=\"light\">\n";
2419 }
2420 $alternate ^= 1;
2421
2422 if (exists $diff->{'nparents'}) { # combined diff
2423
2424 fill_from_file_info($diff, @parents)
2425 unless exists $diff->{'from_file'};
2426
2427 if ($diff->{'to_id'} ne ('0' x 40)) {
2428 # file exists in the result (child) commit
2429 print "<td>" .
2430 $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
2431 file_name=>$diff->{'to_file'},
2432 hash_base=>$hash),
2433 -class => "list"}, esc_path($diff->{'to_file'})) .
2434 "</td>\n";
2435 } else {
2436 print "<td>" .
2437 esc_path($diff->{'to_file'}) .
2438 "</td>\n";
2439 }
2440
2441 if ($action eq 'commitdiff') {
2442 # link to patch
2443 $patchno++;
2444 print "<td class=\"link\">" .
2445 $cgi->a({-href => "#patch$patchno"}, "patch") .
2446 " | " .
2447 "</td>\n";
2448 }
2449
2450 my $has_history = 0;
2451 my $not_deleted = 0;
2452 for (my $i = 0; $i < $diff->{'nparents'}; $i++) {
2453 my $hash_parent = $parents[$i];
2454 my $from_hash = $diff->{'from_id'}[$i];
2455 my $from_path = $diff->{'from_file'}[$i];
2456 my $status = $diff->{'status'}[$i];
2457
2458 $has_history ||= ($status ne 'A');
2459 $not_deleted ||= ($status ne 'D');
2460
2461 if ($status eq 'A') {
2462 print "<td class=\"link\" align=\"right\"> | </td>\n";
2463 } elsif ($status eq 'D') {
2464 print "<td class=\"link\">" .
2465 $cgi->a({-href => href(action=>"blob",
2466 hash_base=>$hash,
2467 hash=>$from_hash,
2468 file_name=>$from_path)},
2469 "blob" . ($i+1)) .
2470 " | </td>\n";
2471 } else {
2472 if ($diff->{'to_id'} eq $from_hash) {
2473 print "<td class=\"link nochange\">";
2474 } else {
2475 print "<td class=\"link\">";
2476 }
2477 print $cgi->a({-href => href(action=>"blobdiff",
2478 hash=>$diff->{'to_id'},
2479 hash_parent=>$from_hash,
2480 hash_base=>$hash,
2481 hash_parent_base=>$hash_parent,
2482 file_name=>$diff->{'to_file'},
2483 file_parent=>$from_path)},
2484 "diff" . ($i+1)) .
2485 " | </td>\n";
2486 }
2487 }
2488
2489 print "<td class=\"link\">";
2490 if ($not_deleted) {
2491 print $cgi->a({-href => href(action=>"blob",
2492 hash=>$diff->{'to_id'},
2493 file_name=>$diff->{'to_file'},
2494 hash_base=>$hash)},
2495 "blob");
2496 print " | " if ($has_history);
2497 }
2498 if ($has_history) {
2499 print $cgi->a({-href => href(action=>"history",
2500 file_name=>$diff->{'to_file'},
2501 hash_base=>$hash)},
2502 "history");
2503 }
2504 print "</td>\n";
2505
2506 print "</tr>\n";
2507 next; # instead of 'else' clause, to avoid extra indent
2508 }
2509 # else ordinary diff
2510
2511 my ($to_mode_oct, $to_mode_str, $to_file_type);
2512 my ($from_mode_oct, $from_mode_str, $from_file_type);
2513 if ($diff->{'to_mode'} ne ('0' x 6)) {
2514 $to_mode_oct = oct $diff->{'to_mode'};
2515 if (S_ISREG($to_mode_oct)) { # only for regular file
2516 $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
2517 }
2518 $to_file_type = file_type($diff->{'to_mode'});
2519 }
2520 if ($diff->{'from_mode'} ne ('0' x 6)) {
2521 $from_mode_oct = oct $diff->{'from_mode'};
2522 if (S_ISREG($to_mode_oct)) { # only for regular file
2523 $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
2524 }
2525 $from_file_type = file_type($diff->{'from_mode'});
2526 }
2527
2528 if ($diff->{'status'} eq "A") { # created
2529 my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
2530 $mode_chng .= " with mode: $to_mode_str" if $to_mode_str;
2531 $mode_chng .= "]</span>";
2532 print "<td>";
2533 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
2534 hash_base=>$hash, file_name=>$diff->{'file'}),
2535 -class => "list"}, esc_path($diff->{'file'}));
2536 print "</td>\n";
2537 print "<td>$mode_chng</td>\n";
2538 print "<td class=\"link\">";
2539 if ($action eq 'commitdiff') {
2540 # link to patch
2541 $patchno++;
2542 print $cgi->a({-href => "#patch$patchno"}, "patch");
2543 print " | ";
2544 }
2545 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
2546 hash_base=>$hash, file_name=>$diff->{'file'})},
2547 "blob");
2548 print "</td>\n";
2549
2550 } elsif ($diff->{'status'} eq "D") { # deleted
2551 my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
2552 print "<td>";
2553 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'},
2554 hash_base=>$parent, file_name=>$diff->{'file'}),
2555 -class => "list"}, esc_path($diff->{'file'}));
2556 print "</td>\n";
2557 print "<td>$mode_chng</td>\n";
2558 print "<td class=\"link\">";
2559 if ($action eq 'commitdiff') {
2560 # link to patch
2561 $patchno++;
2562 print $cgi->a({-href => "#patch$patchno"}, "patch");
2563 print " | ";
2564 }
2565 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'},
2566 hash_base=>$parent, file_name=>$diff->{'file'})},
2567 "blob") . " | ";
2568 if ($have_blame) {
2569 print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
2570 file_name=>$diff->{'file'})},
2571 "blame") . " | ";
2572 }
2573 print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
2574 file_name=>$diff->{'file'})},
2575 "history");
2576 print "</td>\n";
2577
2578 } elsif ($diff->{'status'} eq "M" || $diff->{'status'} eq "T") { # modified, or type changed
2579 my $mode_chnge = "";
2580 if ($diff->{'from_mode'} != $diff->{'to_mode'}) {
2581 $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
2582 if ($from_file_type ne $to_file_type) {
2583 $mode_chnge .= " from $from_file_type to $to_file_type";
2584 }
2585 if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
2586 if ($from_mode_str && $to_mode_str) {
2587 $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
2588 } elsif ($to_mode_str) {
2589 $mode_chnge .= " mode: $to_mode_str";
2590 }
2591 }
2592 $mode_chnge .= "]</span>\n";
2593 }
2594 print "<td>";
2595 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
2596 hash_base=>$hash, file_name=>$diff->{'file'}),
2597 -class => "list"}, esc_path($diff->{'file'}));
2598 print "</td>\n";
2599 print "<td>$mode_chnge</td>\n";
2600 print "<td class=\"link\">";
2601 if ($action eq 'commitdiff') {
2602 # link to patch
2603 $patchno++;
2604 print $cgi->a({-href => "#patch$patchno"}, "patch") .
2605 " | ";
2606 } elsif ($diff->{'to_id'} ne $diff->{'from_id'}) {
2607 # "commit" view and modified file (not onlu mode changed)
2608 print $cgi->a({-href => href(action=>"blobdiff",
2609 hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'},
2610 hash_base=>$hash, hash_parent_base=>$parent,
2611 file_name=>$diff->{'file'})},
2612 "diff") .
2613 " | ";
2614 }
2615 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
2616 hash_base=>$hash, file_name=>$diff->{'file'})},
2617 "blob") . " | ";
2618 if ($have_blame) {
2619 print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
2620 file_name=>$diff->{'file'})},
2621 "blame") . " | ";
2622 }
2623 print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
2624 file_name=>$diff->{'file'})},
2625 "history");
2626 print "</td>\n";
2627
2628 } elsif ($diff->{'status'} eq "R" || $diff->{'status'} eq "C") { # renamed or copied
2629 my %status_name = ('R' => 'moved', 'C' => 'copied');
2630 my $nstatus = $status_name{$diff->{'status'}};
2631 my $mode_chng = "";
2632 if ($diff->{'from_mode'} != $diff->{'to_mode'}) {
2633 # mode also for directories, so we cannot use $to_mode_str
2634 $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
2635 }
2636 print "<td>" .
2637 $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2638 hash=>$diff->{'to_id'}, file_name=>$diff->{'to_file'}),
2639 -class => "list"}, esc_path($diff->{'to_file'})) . "</td>\n" .
2640 "<td><span class=\"file_status $nstatus\">[$nstatus from " .
2641 $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
2642 hash=>$diff->{'from_id'}, file_name=>$diff->{'from_file'}),
2643 -class => "list"}, esc_path($diff->{'from_file'})) .
2644 " with " . (int $diff->{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
2645 "<td class=\"link\">";
2646 if ($action eq 'commitdiff') {
2647 # link to patch
2648 $patchno++;
2649 print $cgi->a({-href => "#patch$patchno"}, "patch") .
2650 " | ";
2651 } elsif ($diff->{'to_id'} ne $diff->{'from_id'}) {
2652 # "commit" view and modified file (not only pure rename or copy)
2653 print $cgi->a({-href => href(action=>"blobdiff",
2654 hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'},
2655 hash_base=>$hash, hash_parent_base=>$parent,
2656 file_name=>$diff->{'to_file'}, file_parent=>$diff->{'from_file'})},
2657 "diff") .
2658 " | ";
2659 }
2660 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
2661 hash_base=>$parent, file_name=>$diff->{'to_file'})},
2662 "blob") . " | ";
2663 if ($have_blame) {
2664 print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
2665 file_name=>$diff->{'to_file'})},
2666 "blame") . " | ";
2667 }
2668 print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
2669 file_name=>$diff->{'to_file'})},
2670 "history");
2671 print "</td>\n";
2672
2673 } # we should not encounter Unmerged (U) or Unknown (X) status
2674 print "</tr>\n";
2675 }
2676 print "</table>\n";
2677 }
2678
2679 sub git_patchset_body {
2680 my ($fd, $difftree, $hash, @hash_parents) = @_;
2681 my ($hash_parent) = $hash_parents[0];
2682
2683 my $patch_idx = 0;
2684 my $patch_number = 0;
2685 my $patch_line;
2686 my $diffinfo;
2687 my (%from, %to);
2688
2689 print "<div class=\"patchset\">\n";
2690
2691 # skip to first patch
2692 while ($patch_line = <$fd>) {
2693 chomp $patch_line;
2694
2695 last if ($patch_line =~ m/^diff /);
2696 }
2697
2698 PATCH:
2699 while ($patch_line) {
2700 my @diff_header;
2701 my ($from_id, $to_id);
2702
2703 # git diff header
2704 #assert($patch_line =~ m/^diff /) if DEBUG;
2705 #assert($patch_line !~ m!$/$!) if DEBUG; # is chomp-ed
2706 $patch_number++;
2707 push @diff_header, $patch_line;
2708
2709 # extended diff header
2710 EXTENDED_HEADER:
2711 while ($patch_line = <$fd>) {
2712 chomp $patch_line;
2713
2714 last EXTENDED_HEADER if ($patch_line =~ m/^--- |^diff /);
2715
2716 if ($patch_line =~ m/^index ([0-9a-fA-F]{40})..([0-9a-fA-F]{40})/) {
2717 $from_id = $1;
2718 $to_id = $2;
2719 } elsif ($patch_line =~ m/^index ((?:[0-9a-fA-F]{40},)+[0-9a-fA-F]{40})..([0-9a-fA-F]{40})/) {
2720 $from_id = [ split(',', $1) ];
2721 $to_id = $2;
2722 }
2723
2724 push @diff_header, $patch_line;
2725 }
2726 my $last_patch_line = $patch_line;
2727
2728 # check if current patch belong to current raw line
2729 # and parse raw git-diff line if needed
2730 if (defined $diffinfo &&
2731 defined $from_id && defined $to_id &&
2732 from_ids_eq($diffinfo->{'from_id'}, $from_id) &&
2733 $diffinfo->{'to_id'} eq $to_id) {
2734 # this is continuation of a split patch
2735 print "<div class=\"patch cont\">\n";
2736 } else {
2737 # advance raw git-diff output if needed
2738 $patch_idx++ if defined $diffinfo;
2739
2740 # read and prepare patch information
2741 if (ref($difftree->[$patch_idx]) eq "HASH") {
2742 # pre-parsed (or generated by hand)
2743 $diffinfo = $difftree->[$patch_idx];
2744 } else {
2745 $diffinfo = parse_difftree_raw_line($difftree->[$patch_idx]);
2746 }
2747 if ($diffinfo->{'nparents'}) {
2748 # combined diff
2749 $from{'file'} = [];
2750 $from{'href'} = [];
2751 fill_from_file_info($diffinfo, @hash_parents)
2752 unless exists $diffinfo->{'from_file'};
2753 for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
2754 $from{'file'}[$i] = $diffinfo->{'from_file'}[$i] || $diffinfo->{'to_file'};
2755 if ($diffinfo->{'status'}[$i] ne "A") { # not new (added) file
2756 $from{'href'}[$i] = href(action=>"blob",
2757 hash_base=>$hash_parents[$i],
2758 hash=>$diffinfo->{'from_id'}[$i],
2759 file_name=>$from{'file'}[$i]);
2760 } else {
2761 $from{'href'}[$i] = undef;
2762 }
2763 }
2764 } else {
2765 $from{'file'} = $diffinfo->{'from_file'} || $diffinfo->{'file'};
2766 if ($diffinfo->{'status'} ne "A") { # not new (added) file
2767 $from{'href'} = href(action=>"blob", hash_base=>$hash_parent,
2768 hash=>$diffinfo->{'from_id'},
2769 file_name=>$from{'file'});
2770 } else {
2771 delete $from{'href'};
2772 }
2773 }
2774
2775 $to{'file'} = $diffinfo->{'to_file'} || $diffinfo->{'file'};
2776 if ($diffinfo->{'to_id'} ne ('0' x 40)) { # file exists in result
2777 $to{'href'} = href(action=>"blob", hash_base=>$hash,
2778 hash=>$diffinfo->{'to_id'},
2779 file_name=>$to{'file'});
2780 } else {
2781 delete $to{'href'};
2782 }
2783 # this is first patch for raw difftree line with $patch_idx index
2784 # we index @$difftree array from 0, but number patches from 1
2785 print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n";
2786 }
2787
2788 # print "git diff" header
2789 $patch_line = shift @diff_header;
2790 if ($diffinfo->{'nparents'}) {
2791
2792 # combined diff
2793 $patch_line =~ s!^(diff (.*?) )"?.*$!$1!;
2794 if ($to{'href'}) {
2795 $patch_line .= $cgi->a({-href => $to{'href'}, -class => "path"},
2796 esc_path($to{'file'}));
2797 } else { # file was deleted
2798 $patch_line .= esc_path($to{'file'});
2799 }
2800
2801 } else {
2802
2803 $patch_line =~ s!^(diff (.*?) )"?a/.*$!$1!;
2804 if ($from{'href'}) {
2805 $patch_line .= $cgi->a({-href => $from{'href'}, -class => "path"},
2806 'a/' . esc_path($from{'file'}));
2807 } else { # file was added
2808 $patch_line .= 'a/' . esc_path($from{'file'});
2809 }
2810 $patch_line .= ' ';
2811 if ($to{'href'}) {
2812 $patch_line .= $cgi->a({-href => $to{'href'}, -class => "path"},
2813 'b/' . esc_path($to{'file'}));
2814 } else { # file was deleted
2815 $patch_line .= 'b/' . esc_path($to{'file'});
2816 }
2817
2818 }
2819 print "<div class=\"diff header\">$patch_line</div>\n";
2820
2821 # print extended diff header
2822 print "<div class=\"diff extended_header\">\n" if (@diff_header > 0);
2823 EXTENDED_HEADER:
2824 foreach $patch_line (@diff_header) {
2825 # match <path>
2826 if ($patch_line =~ s!^((copy|rename) from ).*$!$1! && $from{'href'}) {
2827 $patch_line .= $cgi->a({-href=>$from{'href'}, -class=>"path"},
2828 esc_path($from{'file'}));
2829 }
2830 if ($patch_line =~ s!^((copy|rename) to ).*$!$1! && $to{'href'}) {
2831 $patch_line .= $cgi->a({-href=>$to{'href'}, -class=>"path"},
2832 esc_path($to{'file'}));
2833 }
2834 # match single <mode>
2835 if ($patch_line =~ m/\s(\d{6})$/) {
2836 $patch_line .= '<span class="info"> (' .
2837 file_type_long($1) .
2838 ')</span>';
2839 }
2840 # match <hash>
2841 if ($patch_line =~ m/^index [0-9a-fA-F]{40},[0-9a-fA-F]{40}/) {
2842 # can match only for combined diff
2843 $patch_line = 'index ';
2844 for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
2845 if ($from{'href'}[$i]) {
2846 $patch_line .= $cgi->a({-href=>$from{'href'}[$i],
2847 -class=>"hash"},
2848 substr($diffinfo->{'from_id'}[$i],0,7));
2849 } else {
2850 $patch_line .= '0' x 7;
2851 }
2852 # separator
2853 $patch_line .= ',' if ($i < $diffinfo->{'nparents'} - 1);
2854 }
2855 $patch_line .= '..';
2856 if ($to{'href'}) {
2857 $patch_line .= $cgi->a({-href=>$to{'href'}, -class=>"hash"},
2858 substr($diffinfo->{'to_id'},0,7));
2859 } else {
2860 $patch_line .= '0' x 7;
2861 }
2862
2863 } elsif ($patch_line =~ m/^index [0-9a-fA-F]{40}..[0-9a-fA-F]{40}/) {
2864 # can match only for ordinary diff
2865 my ($from_link, $to_link);
2866 if ($from{'href'}) {
2867 $from_link = $cgi->a({-href=>$from{'href'}, -class=>"hash"},
2868 substr($diffinfo->{'from_id'},0,7));
2869 } else {
2870 $from_link = '0' x 7;
2871 }
2872 if ($to{'href'}) {
2873 $to_link = $cgi->a({-href=>$to{'href'}, -class=>"hash"},
2874 substr($diffinfo->{'to_id'},0,7));
2875 } else {
2876 $to_link = '0' x 7;
2877 }
2878 #affirm {
2879 # my ($from_hash, $to_hash) =
2880 # ($patch_line =~ m/^index ([0-9a-fA-F]{40})..([0-9a-fA-F]{40})/);
2881 # my ($from_id, $to_id) =
2882 # ($diffinfo->{'from_id'}, $diffinfo->{'to_id'});
2883 # ($from_hash eq $from_id) && ($to_hash eq $to_id);
2884 #} if DEBUG;
2885 my ($from_id, $to_id) = ($diffinfo->{'from_id'}, $diffinfo->{'to_id'});
2886 $patch_line =~ s!$from_id\.\.$to_id!$from_link..$to_link!;
2887 }
2888 print $patch_line . "<br/>\n";
2889 }
2890 print "</div>\n" if (@diff_header > 0); # class="diff extended_header"
2891
2892 # from-file/to-file diff header
2893 $patch_line = $last_patch_line;
2894 if (! $patch_line) {
2895 print "</div>\n"; # class="patch"
2896 last PATCH;
2897 }
2898 next PATCH if ($patch_line =~ m/^diff /);
2899 #assert($patch_line =~ m/^---/) if DEBUG;
2900 if (!$diffinfo->{'nparents'} && # not from-file line for combined diff
2901 $from{'href'} && $patch_line =~ m!^--- "?a/!) {
2902 $patch_line = '--- a/' .
2903 $cgi->a({-href=>$from{'href'}, -class=>"path"},
2904 esc_path($from{'file'}));
2905 }
2906 print "<div class=\"diff from_file\">$patch_line</div>\n";
2907
2908 $patch_line = <$fd>;
2909 chomp $patch_line;
2910
2911 #assert($patch_line =~ m/^+++/) if DEBUG;
2912 if ($to{'href'} && $patch_line =~ m!^\+\+\+ "?b/!) {
2913 $patch_line = '+++ b/' .
2914 $cgi->a({-href=>$to{'href'}, -class=>"path"},
2915 esc_path($to{'file'}));
2916 }
2917 print "<div class=\"diff to_file\">$patch_line</div>\n";
2918
2919 # the patch itself
2920 LINE:
2921 while ($patch_line = <$fd>) {
2922 chomp $patch_line;
2923
2924 next PATCH if ($patch_line =~ m/^diff /);
2925
2926 print format_diff_line($patch_line, \%from, \%to);
2927 }
2928
2929 } continue {
2930 print "</div>\n"; # class="patch"
2931 }
2932
2933 if ($patch_number == 0) {
2934 if (@hash_parents > 1) {
2935 print "<div class=\"diff nodifferences\">Trivial merge</div>\n";
2936 } else {
2937 print "<div class=\"diff nodifferences\">No differences found</div>\n";
2938 }
2939 }
2940
2941 print "</div>\n"; # class="patchset"
2942 }
2943
2944 # . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2945
2946 sub git_project_list_body {
2947 my ($projlist, $order, $from, $to, $extra, $no_header) = @_;
2948
2949 my ($check_forks) = gitweb_check_feature('forks');
2950
2951 my @projects;
2952 foreach my $pr (@$projlist) {
2953 my (@aa) = git_get_last_activity($pr->{'path'});
2954 unless (@aa) {
2955 next;
2956 }
2957 ($pr->{'age'}, $pr->{'age_string'}) = @aa;
2958 if (!defined $pr->{'descr'}) {
2959 my $descr = git_get_project_description($pr->{'path'}) || "";
2960 $pr->{'descr_long'} = to_utf8($descr);
2961 $pr->{'descr'} = chop_str($descr, 25, 5);
2962 }
2963 if (!defined $pr->{'owner'}) {
2964 $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
2965 }
2966 if ($check_forks) {
2967 my $pname = $pr->{'path'};
2968 if (($pname =~ s/\.git$//) &&
2969 ($pname !~ /\/$/) &&
2970 (-d "$projectroot/$pname")) {
2971 $pr->{'forks'} = "-d $projectroot/$pname";
2972 }
2973 else {
2974 $pr->{'forks'} = 0;
2975 }
2976 }
2977 push @projects, $pr;
2978 }
2979
2980 $order ||= $default_projects_order;
2981 $from = 0 unless defined $from;
2982 $to = $#projects if (!defined $to || $#projects < $to);
2983
2984 print "<table class=\"project_list\">\n";
2985 unless ($no_header) {
2986 print "<tr>\n";
2987 if ($check_forks) {
2988 print "<th></th>\n";
2989 }
2990 if ($order eq "project") {
2991 @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
2992 print "<th>Project</th>\n";
2993 } else {
2994 print "<th>" .
2995 $cgi->a({-href => href(project=>undef, order=>'project'),
2996 -class => "header"}, "Project") .
2997 "</th>\n";
2998 }
2999 if ($order eq "descr") {
3000 @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
3001 print "<th>Description</th>\n";
3002 } else {
3003 print "<th>" .
3004 $cgi->a({-href => href(project=>undef, order=>'descr'),
3005 -class => "header"}, "Description") .
3006 "</th>\n";
3007 }
3008 if ($order eq "owner") {
3009 @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
3010 print "<th>Owner</th>\n";
3011 } else {
3012 print "<th>" .
3013 $cgi->a({-href => href(project=>undef, order=>'owner'),
3014 -class => "header"}, "Owner") .
3015 "</th>\n";
3016 }
3017 if ($order eq "age") {
3018 @projects = sort {$a->{'age'} <=> $b->{'age'}} @projects;
3019 print "<th>Last Change</th>\n";
3020 } else {
3021 print "<th>" .
3022 $cgi->a({-href => href(project=>undef, order=>'age'),
3023 -class => "header"}, "Last Change") .
3024 "</th>\n";
3025 }
3026 print "<th></th>\n" .
3027 "</tr>\n";
3028 }
3029 my $alternate = 1;
3030 for (my $i = $from; $i <= $to; $i++) {
3031 my $pr = $projects[$i];
3032 if ($alternate) {
3033 print "<tr class=\"dark\">\n";
3034 } else {
3035 print "<tr class=\"light\">\n";
3036 }
3037 $alternate ^= 1;
3038 if ($check_forks) {
3039 print "<td>";
3040 if ($pr->{'forks'}) {
3041 print "<!-- $pr->{'forks'} -->\n";
3042 print $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks")}, "+");
3043 }
3044 print "</td>\n";
3045 }
3046 print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
3047 -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
3048 "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
3049 -class => "list", -title => $pr->{'descr_long'}},
3050 esc_html($pr->{'descr'})) . "</td>\n" .
3051 "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
3052 print "<td class=\"". age_class($pr->{'age'}) . "\">" .
3053 (defined $pr->{'age_string'} ? $pr->{'age_string'} : "No commits") . "</td>\n" .
3054 "<td class=\"link\">" .
3055 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary") . " | " .
3056 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
3057 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " .
3058 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") .
3059 ($pr->{'forks'} ? " | " . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks")}, "forks") : '') .
3060 "</td>\n" .
3061 "</tr>\n";
3062 }
3063 if (defined $extra) {
3064 print "<tr>\n";
3065 if ($check_forks) {
3066 print "<td></td>\n";
3067 }
3068 print "<td colspan=\"5\">$extra</td>\n" .
3069 "</tr>\n";
3070 }
3071 print "</table>\n";
3072 }
3073
3074 sub git_shortlog_body {
3075 # uses global variable $project
3076 my ($commitlist, $from, $to, $refs, $extra) = @_;
3077
3078 my $have_snapshot = gitweb_have_snapshot();
3079
3080 $from = 0 unless defined $from;
3081 $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to);
3082
3083 print "<table class=\"shortlog\" cellspacing=\"0\">\n";
3084 my $alternate = 1;
3085 for (my $i = $from; $i <= $to; $i++) {
3086 my %co = %{$commitlist->[$i]};
3087 my $commit = $co{'id'};
3088 my $ref = format_ref_marker($refs, $commit);
3089 if ($alternate) {
3090 print "<tr class=\"dark\">\n";
3091 } else {
3092 print "<tr class=\"light\">\n";
3093 }
3094 $alternate ^= 1;
3095 # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
3096 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3097 "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
3098 "<td>";
3099 print format_subject_html($co{'title'}, $co{'title_short'},
3100 href(action=>"commit", hash=>$commit), $ref);
3101 print "</td>\n" .
3102 "<td class=\"link\">" .
3103 $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
3104 $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
3105 $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree");
3106 if ($have_snapshot) {
3107 print " | " . $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
3108 }
3109 print "</td>\n" .
3110 "</tr>\n";
3111 }
3112 if (defined $extra) {
3113 print "<tr>\n" .
3114 "<td colspan=\"4\">$extra</td>\n" .
3115 "</tr>\n";
3116 }
3117 print "</table>\n";
3118 }
3119
3120 sub git_history_body {
3121 # Warning: assumes constant type (blob or tree) during history
3122 my ($commitlist, $from, $to, $refs, $hash_base, $ftype, $extra) = @_;
3123
3124 $from = 0 unless defined $from;
3125 $to = $#{$commitlist} unless (defined $to && $to <= $#{$commitlist});
3126
3127 print "<table class=\"history\" cellspacing=\"0\">\n";
3128 my $alternate = 1;
3129 for (my $i = $from; $i <= $to; $i++) {
3130 my %co = %{$commitlist->[$i]};
3131 if (!%co) {
3132 next;
3133 }
3134 my $commit = $co{'id'};
3135
3136 my $ref = format_ref_marker($refs, $commit);
3137
3138 if ($alternate) {
3139 print "<tr class=\"dark\">\n";
3140 } else {
3141 print "<tr class=\"light\">\n";
3142 }
3143 $alternate ^= 1;
3144 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3145 # shortlog uses chop_str($co{'author_name'}, 10)
3146 "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
3147 "<td>";
3148 # originally git_history used chop_str($co{'title'}, 50)
3149 print format_subject_html($co{'title'}, $co{'title_short'},
3150 href(action=>"commit", hash=>$commit), $ref);
3151 print "</td>\n" .
3152 "<td class=\"link\">" .
3153 $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype) . " | " .
3154 $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
3155
3156 if ($ftype eq 'blob') {
3157 my $blob_current = git_get_hash_by_path($hash_base, $file_name);
3158 my $blob_parent = git_get_hash_by_path($commit, $file_name);
3159 if (defined $blob_current && defined $blob_parent &&
3160 $blob_current ne $blob_parent) {
3161 print " | " .
3162 $cgi->a({-href => href(action=>"blobdiff",
3163 hash=>$blob_current, hash_parent=>$blob_parent,
3164 hash_base=>$hash_base, hash_parent_base=>$commit,
3165 file_name=>$file_name)},
3166 "diff to current");
3167 }
3168 }
3169 print "</td>\n" .
3170 "</tr>\n";
3171 }
3172 if (defined $extra) {
3173 print "<tr>\n" .
3174 "<td colspan=\"4\">$extra</td>\n" .
3175 "</tr>\n";
3176 }
3177 print "</table>\n";
3178 }
3179
3180 sub git_tags_body {
3181 # uses global variable $project
3182 my ($taglist, $from, $to, $extra) = @_;
3183 $from = 0 unless defined $from;
3184 $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
3185
3186 print "<table class=\"tags\" cellspacing=\"0\">\n";
3187 my $alternate = 1;
3188 for (my $i = $from; $i <= $to; $i++) {
3189 my $entry = $taglist->[$i];
3190 my %tag = %$entry;
3191 my $comment = $tag{'subject'};
3192 my $comment_short;
3193 if (defined $comment) {
3194 $comment_short = chop_str($comment, 30, 5);
3195 }
3196 if ($alternate) {
3197 print "<tr class=\"dark\">\n";
3198 } else {
3199 print "<tr class=\"light\">\n";
3200 }
3201 $alternate ^= 1;
3202 if (defined $tag{'age'}) {
3203 print "<td><i>$tag{'age'}</i></td>\n";
3204 } else {
3205 print "<td></td>\n";
3206 }
3207 print "<td>" .
3208 $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
3209 -class => "list name"}, esc_html($tag{'name'})) .
3210 "</td>\n" .
3211 "<td>";
3212 if (defined $comment) {
3213 print format_subject_html($comment, $comment_short,