8ece13db4dd92334f9dfee2f880505f0eccb811e
[gitweb] / gitweb.cgi
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 5.008;
11 use strict;
12 use warnings;
13 # handle ACL in file access tests
14 use filetest 'access';
15 use CGI qw(:standard :escapeHTML -nosticky);
16 use CGI::Util qw(unescape);
17 use CGI::Carp qw(fatalsToBrowser set_message);
18 use Encode;
19 use Fcntl ':mode';
20 use File::Find qw();
21 use File::Basename qw(basename);
22 use Time::HiRes qw(gettimeofday tv_interval);
23 use Digest::MD5 qw(md5_hex);
24
25 binmode STDOUT, ':utf8';
26
27 if (!defined($CGI::VERSION) || $CGI::VERSION < 4.08) {
28 eval 'sub CGI::multi_param { CGI::param(@_) }'
29 }
30
31 our $t0 = [ gettimeofday() ];
32 our $number_of_git_cmds = 0;
33
34 BEGIN {
35 CGI->compile() if $ENV{'MOD_PERL'};
36 }
37
38 our $version = "2.34.1";
39
40 our ($my_url, $my_uri, $base_url, $path_info, $home_link);
41 sub evaluate_uri {
42 our $cgi;
43
44 our $my_url = $cgi->url();
45 our $my_uri = $cgi->url(-absolute => 1);
46
47 # Base URL for relative URLs in gitweb ($logo, $favicon, ...),
48 # needed and used only for URLs with nonempty PATH_INFO
49 our $base_url = $my_url;
50
51 # When the script is used as DirectoryIndex, the URL does not contain the name
52 # of the script file itself, and $cgi->url() fails to strip PATH_INFO, so we
53 # have to do it ourselves. We make $path_info global because it's also used
54 # later on.
55 #
56 # Another issue with the script being the DirectoryIndex is that the resulting
57 # $my_url data is not the full script URL: this is good, because we want
58 # generated links to keep implying the script name if it wasn't explicitly
59 # indicated in the URL we're handling, but it means that $my_url cannot be used
60 # as base URL.
61 # Therefore, if we needed to strip PATH_INFO, then we know that we have
62 # to build the base URL ourselves:
63 our $path_info = decode_utf8($ENV{"PATH_INFO"});
64 if ($path_info) {
65 # $path_info has already been URL-decoded by the web server, but
66 # $my_url and $my_uri have not. URL-decode them so we can properly
67 # strip $path_info.
68 $my_url = unescape($my_url);
69 $my_uri = unescape($my_uri);
70 if ($my_url =~ s,\Q$path_info\E$,, &&
71 $my_uri =~ s,\Q$path_info\E$,, &&
72 defined $ENV{'SCRIPT_NAME'}) {
73 $base_url = $cgi->url(-base => 1) . $ENV{'SCRIPT_NAME'};
74 }
75 }
76
77 # target of the home link on top of all pages
78 our $home_link = $my_uri || "/";
79 }
80
81 # core git executable to use
82 # this can just be "git" if your webserver has a sensible PATH
83 our $GIT = "/usr/bin/git";
84
85 # absolute fs-path which will be prepended to the project path
86 #our $projectroot = "/pub/scm";
87 our $projectroot = "/pub/git";
88
89 # fs traversing limit for getting project list
90 # the number is relative to the projectroot
91 our $project_maxdepth = 2007;
92
93 # string of the home link on top of all pages
94 our $home_link_str = "projects";
95
96 # extra breadcrumbs preceding the home link
97 our @extra_breadcrumbs = ();
98
99 # name of your site or organization to appear in page titles
100 # replace this with something more descriptive for clearer bookmarks
101 our $site_name = ""
102 || ($ENV{'SERVER_NAME'} || "Untitled") . " Git";
103
104 # html snippet to include in the <head> section of each page
105 our $site_html_head_string = "";
106 # filename of html text to include at top of each page
107 our $site_header = "";
108 # html text to include at home page
109 our $home_text = "indextext.html";
110 # filename of html text to include at bottom of each page
111 our $site_footer = "";
112
113 # URI of stylesheets
114 our @stylesheets = ("static/gitweb.css");
115 # URI of a single stylesheet, which can be overridden in GITWEB_CONFIG.
116 our $stylesheet = undef;
117 # URI of GIT logo (72x27 size)
118 our $logo = "static/git-logo.png";
119 # URI of GIT favicon, assumed to be image/png type
120 our $favicon = "static/git-favicon.png";
121 # URI of gitweb.js (JavaScript code for gitweb)
122 our $javascript = "static/gitweb.js";
123
124 # URI and label (title) of GIT logo link
125 #our $logo_url = "http://www.kernel.org/pub/software/scm/git/docs/";
126 #our $logo_label = "git documentation";
127 our $logo_url = "http://git-scm.com/";
128 our $logo_label = "git homepage";
129
130 # source of projects list
131 our $projects_list = "";
132
133 # the width (in characters) of the projects list "Description" column
134 our $projects_list_description_width = 25;
135
136 # group projects by category on the projects list
137 # (enabled if this variable evaluates to true)
138 our $projects_list_group_categories = 0;
139
140 # default category if none specified
141 # (leave the empty string for no category)
142 our $project_list_default_category = "";
143
144 # default order of projects list
145 # valid values are none, project, descr, owner, and age
146 our $default_projects_order = "project";
147
148 # show repository only if this file exists
149 # (only effective if this variable evaluates to true)
150 our $export_ok = "";
151
152 # don't generate age column on the projects list page
153 our $omit_age_column = 0;
154
155 # don't generate information about owners of repositories
156 our $omit_owner=0;
157
158 # show repository only if this subroutine returns true
159 # when given the path to the project, for example:
160 # sub { return -e "$_[0]/git-daemon-export-ok"; }
161 our $export_auth_hook = undef;
162
163 # only allow viewing of repositories also shown on the overview page
164 our $strict_export = "";
165
166 # list of git base URLs used for URL to where fetch project from,
167 # i.e. full URL is "$git_base_url/$project"
168 our @git_base_url_list = grep { $_ ne '' } ("");
169
170 # default blob_plain mimetype and default charset for text/plain blob
171 our $default_blob_plain_mimetype = 'text/plain';
172 our $default_text_plain_charset = undef;
173
174 # file to use for guessing MIME types before trying /etc/mime.types
175 # (relative to the current git repository)
176 our $mimetypes_file = undef;
177
178 # assume this charset if line contains non-UTF-8 characters;
179 # it should be valid encoding (see Encoding::Supported(3pm) for list),
180 # for which encoding all byte sequences are valid, for example
181 # 'iso-8859-1' aka 'latin1' (it is decoded without checking, so it
182 # could be even 'utf-8' for the old behavior)
183 our $fallback_encoding = 'latin1';
184
185 # rename detection options for git-diff and git-diff-tree
186 # - default is '-M', with the cost proportional to
187 # (number of removed files) * (number of new files).
188 # - more costly is '-C' (which implies '-M'), with the cost proportional to
189 # (number of changed files + number of removed files) * (number of new files)
190 # - even more costly is '-C', '--find-copies-harder' with cost
191 # (number of files in the original tree) * (number of new files)
192 # - one might want to include '-B' option, e.g. '-B', '-M'
193 our @diff_opts = ('-M'); # taken from git_commit
194
195 # Disables features that would allow repository owners to inject script into
196 # the gitweb domain.
197 our $prevent_xss = 0;
198
199 # Path to the highlight executable to use (must be the one from
200 # http://www.andre-simon.de due to assumptions about parameters and output).
201 # Useful if highlight is not installed on your webserver's PATH.
202 # [Default: highlight]
203 our $highlight_bin = "highlight";
204
205 # information about snapshot formats that gitweb is capable of serving
206 our %known_snapshot_formats = (
207 # name => {
208 # 'display' => display name,
209 # 'type' => mime type,
210 # 'suffix' => filename suffix,
211 # 'format' => --format for git-archive,
212 # 'compressor' => [compressor command and arguments]
213 # (array reference, optional)
214 # 'disabled' => boolean (optional)}
215 #
216 'tgz' => {
217 'display' => 'tar.gz',
218 'type' => 'application/x-gzip',
219 'suffix' => '.tar.gz',
220 'format' => 'tar',
221 'compressor' => ['gzip', '-n']},
222
223 'tbz2' => {
224 'display' => 'tar.bz2',
225 'type' => 'application/x-bzip2',
226 'suffix' => '.tar.bz2',
227 'format' => 'tar',
228 'compressor' => ['bzip2']},
229
230 'txz' => {
231 'display' => 'tar.xz',
232 'type' => 'application/x-xz',
233 'suffix' => '.tar.xz',
234 'format' => 'tar',
235 'compressor' => ['xz'],
236 'disabled' => 1},
237
238 'zip' => {
239 'display' => 'zip',
240 'type' => 'application/x-zip',
241 'suffix' => '.zip',
242 'format' => 'zip'},
243 );
244
245 # Aliases so we understand old gitweb.snapshot values in repository
246 # configuration.
247 our %known_snapshot_format_aliases = (
248 'gzip' => 'tgz',
249 'bzip2' => 'tbz2',
250 'xz' => 'txz',
251
252 # backward compatibility: legacy gitweb config support
253 'x-gzip' => undef, 'gz' => undef,
254 'x-bzip2' => undef, 'bz2' => undef,
255 'x-zip' => undef, '' => undef,
256 );
257
258 # Pixel sizes for icons and avatars. If the default font sizes or lineheights
259 # are changed, it may be appropriate to change these values too via
260 # $GITWEB_CONFIG.
261 our %avatar_size = (
262 'default' => 16,
263 'double' => 32
264 );
265
266 # Used to set the maximum load that we will still respond to gitweb queries.
267 # If server load exceed this value then return "503 server busy" error.
268 # If gitweb cannot determined server load, it is taken to be 0.
269 # Leave it undefined (or set to 'undef') to turn off load checking.
270 our $maxload = 300;
271
272 # configuration for 'highlight' (http://www.andre-simon.de/)
273 # match by basename
274 our %highlight_basename = (
275 #'Program' => 'py',
276 #'Library' => 'py',
277 'SConstruct' => 'py', # SCons equivalent of Makefile
278 'Makefile' => 'make',
279 );
280 # match by extension
281 our %highlight_ext = (
282 # main extensions, defining name of syntax;
283 # see files in /usr/share/highlight/langDefs/ directory
284 (map { $_ => $_ } qw(py rb java css js tex bib xml awk bat ini spec tcl sql)),
285 # alternate extensions, see /etc/highlight/filetypes.conf
286 (map { $_ => 'c' } qw(c h)),
287 (map { $_ => 'sh' } qw(sh bash zsh ksh)),
288 (map { $_ => 'cpp' } qw(cpp cxx c++ cc)),
289 (map { $_ => 'php' } qw(php php3 php4 php5 phps)),
290 (map { $_ => 'pl' } qw(pl perl pm)), # perhaps also 'cgi'
291 (map { $_ => 'make'} qw(make mak mk)),
292 (map { $_ => 'xml' } qw(xml xhtml html htm)),
293 );
294
295 # You define site-wide feature defaults here; override them with
296 # $GITWEB_CONFIG as necessary.
297 our %feature = (
298 # feature => {
299 # 'sub' => feature-sub (subroutine),
300 # 'override' => allow-override (boolean),
301 # 'default' => [ default options...] (array reference)}
302 #
303 # if feature is overridable (it means that allow-override has true value),
304 # then feature-sub will be called with default options as parameters;
305 # return value of feature-sub indicates if to enable specified feature
306 #
307 # if there is no 'sub' key (no feature-sub), then feature cannot be
308 # overridden
309 #
310 # use gitweb_get_feature(<feature>) to retrieve the <feature> value
311 # (an array) or gitweb_check_feature(<feature>) to check if <feature>
312 # is enabled
313
314 # Enable the 'blame' blob view, showing the last commit that modified
315 # each line in the file. This can be very CPU-intensive.
316
317 # To enable system wide have in $GITWEB_CONFIG
318 # $feature{'blame'}{'default'} = [1];
319 # To have project specific config enable override in $GITWEB_CONFIG
320 # $feature{'blame'}{'override'} = 1;
321 # and in project config gitweb.blame = 0|1;
322 'blame' => {
323 'sub' => sub { feature_bool('blame', @_) },
324 'override' => 0,
325 'default' => [0]},
326
327 # Enable the 'snapshot' link, providing a compressed archive of any
328 # tree. This can potentially generate high traffic if you have large
329 # project.
330
331 # Value is a list of formats defined in %known_snapshot_formats that
332 # you wish to offer.
333 # To disable system wide have in $GITWEB_CONFIG
334 # $feature{'snapshot'}{'default'} = [];
335 # To have project specific config enable override in $GITWEB_CONFIG
336 # $feature{'snapshot'}{'override'} = 1;
337 # and in project config, a comma-separated list of formats or "none"
338 # to disable. Example: gitweb.snapshot = tbz2,zip;
339 'snapshot' => {
340 'sub' => \&feature_snapshot,
341 'override' => 0,
342 'default' => ['tgz']},
343
344 # Enable text search, which will list the commits which match author,
345 # committer or commit text to a given string. Enabled by default.
346 # Project specific override is not supported.
347 #
348 # Note that this controls all search features, which means that if
349 # it is disabled, then 'grep' and 'pickaxe' search would also be
350 # disabled.
351 'search' => {
352 'override' => 0,
353 'default' => [1]},
354
355 # Enable grep search, which will list the files in currently selected
356 # tree containing the given string. Enabled by default. This can be
357 # potentially CPU-intensive, of course.
358 # Note that you need to have 'search' feature enabled too.
359
360 # To enable system wide have in $GITWEB_CONFIG
361 # $feature{'grep'}{'default'} = [1];
362 # To have project specific config enable override in $GITWEB_CONFIG
363 # $feature{'grep'}{'override'} = 1;
364 # and in project config gitweb.grep = 0|1;
365 'grep' => {
366 'sub' => sub { feature_bool('grep', @_) },
367 'override' => 0,
368 'default' => [1]},
369
370 # Enable the pickaxe search, which will list the commits that modified
371 # a given string in a file. This can be practical and quite faster
372 # alternative to 'blame', but still potentially CPU-intensive.
373 # Note that you need to have 'search' feature enabled too.
374
375 # To enable system wide have in $GITWEB_CONFIG
376 # $feature{'pickaxe'}{'default'} = [1];
377 # To have project specific config enable override in $GITWEB_CONFIG
378 # $feature{'pickaxe'}{'override'} = 1;
379 # and in project config gitweb.pickaxe = 0|1;
380 'pickaxe' => {
381 'sub' => sub { feature_bool('pickaxe', @_) },
382 'override' => 0,
383 'default' => [1]},
384
385 # Enable showing size of blobs in a 'tree' view, in a separate
386 # column, similar to what 'ls -l' does. This cost a bit of IO.
387
388 # To disable system wide have in $GITWEB_CONFIG
389 # $feature{'show-sizes'}{'default'} = [0];
390 # To have project specific config enable override in $GITWEB_CONFIG
391 # $feature{'show-sizes'}{'override'} = 1;
392 # and in project config gitweb.showsizes = 0|1;
393 'show-sizes' => {
394 'sub' => sub { feature_bool('showsizes', @_) },
395 'override' => 0,
396 'default' => [1]},
397
398 # Make gitweb use an alternative format of the URLs which can be
399 # more readable and natural-looking: project name is embedded
400 # directly in the path and the query string contains other
401 # auxiliary information. All gitweb installations recognize
402 # URL in either format; this configures in which formats gitweb
403 # generates links.
404
405 # To enable system wide have in $GITWEB_CONFIG
406 # $feature{'pathinfo'}{'default'} = [1];
407 # Project specific override is not supported.
408
409 # Note that you will need to change the default location of CSS,
410 # favicon, logo and possibly other files to an absolute URL. Also,
411 # if gitweb.cgi serves as your indexfile, you will need to force
412 # $my_uri to contain the script name in your $GITWEB_CONFIG.
413 'pathinfo' => {
414 'override' => 0,
415 'default' => [0]},
416
417 # Make gitweb consider projects in project root subdirectories
418 # to be forks of existing projects. Given project $projname.git,
419 # projects matching $projname/*.git will not be shown in the main
420 # projects list, instead a '+' mark will be added to $projname
421 # there and a 'forks' view will be enabled for the project, listing
422 # all the forks. If project list is taken from a file, forks have
423 # to be listed after the main project.
424
425 # To enable system wide have in $GITWEB_CONFIG
426 # $feature{'forks'}{'default'} = [1];
427 # Project specific override is not supported.
428 'forks' => {
429 'override' => 0,
430 'default' => [0]},
431
432 # Insert custom links to the action bar of all project pages.
433 # This enables you mainly to link to third-party scripts integrating
434 # into gitweb; e.g. git-browser for graphical history representation
435 # or custom web-based repository administration interface.
436
437 # The 'default' value consists of a list of triplets in the form
438 # (label, link, position) where position is the label after which
439 # to insert the link and link is a format string where %n expands
440 # to the project name, %f to the project path within the filesystem,
441 # %h to the current hash (h gitweb parameter) and %b to the current
442 # hash base (hb gitweb parameter); %% expands to %.
443
444 # To enable system wide have in $GITWEB_CONFIG e.g.
445 # $feature{'actions'}{'default'} = [('graphiclog',
446 # '/git-browser/by-commit.html?r=%n', 'summary')];
447 # Project specific override is not supported.
448 'actions' => {
449 'override' => 0,
450 'default' => []},
451
452 # Allow gitweb scan project content tags of project repository,
453 # and display the popular Web 2.0-ish "tag cloud" near the projects
454 # list. Note that this is something COMPLETELY different from the
455 # normal Git tags.
456
457 # gitweb by itself can show existing tags, but it does not handle
458 # tagging itself; you need to do it externally, outside gitweb.
459 # The format is described in git_get_project_ctags() subroutine.
460 # You may want to install the HTML::TagCloud Perl module to get
461 # a pretty tag cloud instead of just a list of tags.
462
463 # To enable system wide have in $GITWEB_CONFIG
464 # $feature{'ctags'}{'default'} = [1];
465 # Project specific override is not supported.
466
467 # In the future whether ctags editing is enabled might depend
468 # on the value, but using 1 should always mean no editing of ctags.
469 'ctags' => {
470 'override' => 0,
471 'default' => [0]},
472
473 # The maximum number of patches in a patchset generated in patch
474 # view. Set this to 0 or undef to disable patch view, or to a
475 # negative number to remove any limit.
476
477 # To disable system wide have in $GITWEB_CONFIG
478 # $feature{'patches'}{'default'} = [0];
479 # To have project specific config enable override in $GITWEB_CONFIG
480 # $feature{'patches'}{'override'} = 1;
481 # and in project config gitweb.patches = 0|n;
482 # where n is the maximum number of patches allowed in a patchset.
483 'patches' => {
484 'sub' => \&feature_patches,
485 'override' => 0,
486 'default' => [16]},
487
488 # Avatar support. When this feature is enabled, views such as
489 # shortlog or commit will display an avatar associated with
490 # the email of the committer(s) and/or author(s).
491
492 # Currently available providers are gravatar and picon.
493 # If an unknown provider is specified, the feature is disabled.
494
495 # Picon currently relies on the indiana.edu database.
496
497 # To enable system wide have in $GITWEB_CONFIG
498 # $feature{'avatar'}{'default'} = ['<provider>'];
499 # where <provider> is either gravatar or picon.
500 # To have project specific config enable override in $GITWEB_CONFIG
501 # $feature{'avatar'}{'override'} = 1;
502 # and in project config gitweb.avatar = <provider>;
503 'avatar' => {
504 'sub' => \&feature_avatar,
505 'override' => 0,
506 'default' => ['']},
507
508 # Enable displaying how much time and how many git commands
509 # it took to generate and display page. Disabled by default.
510 # Project specific override is not supported.
511 'timed' => {
512 'override' => 0,
513 'default' => [0]},
514
515 # Enable turning some links into links to actions which require
516 # JavaScript to run (like 'blame_incremental'). Not enabled by
517 # default. Project specific override is currently not supported.
518 'javascript-actions' => {
519 'override' => 0,
520 'default' => [0]},
521
522 # Enable and configure ability to change common timezone for dates
523 # in gitweb output via JavaScript. Enabled by default.
524 # Project specific override is not supported.
525 'javascript-timezone' => {
526 'override' => 0,
527 'default' => [
528 'local', # default timezone: 'utc', 'local', or '(-|+)HHMM' format,
529 # or undef to turn off this feature
530 'gitweb_tz', # name of cookie where to store selected timezone
531 'datetime', # CSS class used to mark up dates for manipulation
532 ]},
533
534 # Syntax highlighting support. This is based on Daniel Svensson's
535 # and Sham Chukoury's work in gitweb-xmms2.git.
536 # It requires the 'highlight' program present in $PATH,
537 # and therefore is disabled by default.
538
539 # To enable system wide have in $GITWEB_CONFIG
540 # $feature{'highlight'}{'default'} = [1];
541
542 'highlight' => {
543 'sub' => sub { feature_bool('highlight', @_) },
544 'override' => 0,
545 'default' => [0]},
546
547 # Enable displaying of remote heads in the heads list
548
549 # To enable system wide have in $GITWEB_CONFIG
550 # $feature{'remote_heads'}{'default'} = [1];
551 # To have project specific config enable override in $GITWEB_CONFIG
552 # $feature{'remote_heads'}{'override'} = 1;
553 # and in project config gitweb.remoteheads = 0|1;
554 'remote_heads' => {
555 'sub' => sub { feature_bool('remote_heads', @_) },
556 'override' => 0,
557 'default' => [0]},
558
559 # Enable showing branches under other refs in addition to heads
560
561 # To set system wide extra branch refs have in $GITWEB_CONFIG
562 # $feature{'extra-branch-refs'}{'default'} = ['dirs', 'of', 'choice'];
563 # To have project specific config enable override in $GITWEB_CONFIG
564 # $feature{'extra-branch-refs'}{'override'} = 1;
565 # and in project config gitweb.extrabranchrefs = dirs of choice
566 # Every directory is separated with whitespace.
567
568 'extra-branch-refs' => {
569 'sub' => \&feature_extra_branch_refs,
570 'override' => 0,
571 'default' => []},
572
573 # Redact e-mail addresses.
574
575 # To enable system wide have in $GITWEB_CONFIG
576 # $feature{'email-privacy'}{'default'} = [1];
577 'email-privacy' => {
578 'sub' => sub { feature_bool('email-privacy', @_) },
579 'override' => 1,
580 'default' => [0]},
581 );
582
583 sub gitweb_get_feature {
584 my ($name) = @_;
585 return unless exists $feature{$name};
586 my ($sub, $override, @defaults) = (
587 $feature{$name}{'sub'},
588 $feature{$name}{'override'},
589 @{$feature{$name}{'default'}});
590 # project specific override is possible only if we have project
591 our $git_dir; # global variable, declared later
592 if (!$override || !defined $git_dir) {
593 return @defaults;
594 }
595 if (!defined $sub) {
596 warn "feature $name is not overridable";
597 return @defaults;
598 }
599 return $sub->(@defaults);
600 }
601
602 # A wrapper to check if a given feature is enabled.
603 # With this, you can say
604 #
605 # my $bool_feat = gitweb_check_feature('bool_feat');
606 # gitweb_check_feature('bool_feat') or somecode;
607 #
608 # instead of
609 #
610 # my ($bool_feat) = gitweb_get_feature('bool_feat');
611 # (gitweb_get_feature('bool_feat'))[0] or somecode;
612 #
613 sub gitweb_check_feature {
614 return (gitweb_get_feature(@_))[0];
615 }
616
617
618 sub feature_bool {
619 my $key = shift;
620 my ($val) = git_get_project_config($key, '--bool');
621
622 if (!defined $val) {
623 return ($_[0]);
624 } elsif ($val eq 'true') {
625 return (1);
626 } elsif ($val eq 'false') {
627 return (0);
628 }
629 }
630
631 sub feature_snapshot {
632 my (@fmts) = @_;
633
634 my ($val) = git_get_project_config('snapshot');
635
636 if ($val) {
637 @fmts = ($val eq 'none' ? () : split /\s*[,\s]\s*/, $val);
638 }
639
640 return @fmts;
641 }
642
643 sub feature_patches {
644 my @val = (git_get_project_config('patches', '--int'));
645
646 if (@val) {
647 return @val;
648 }
649
650 return ($_[0]);
651 }
652
653 sub feature_avatar {
654 my @val = (git_get_project_config('avatar'));
655
656 return @val ? @val : @_;
657 }
658
659 sub feature_extra_branch_refs {
660 my (@branch_refs) = @_;
661 my $values = git_get_project_config('extrabranchrefs');
662
663 if ($values) {
664 $values = config_to_multi ($values);
665 @branch_refs = ();
666 foreach my $value (@{$values}) {
667 push @branch_refs, split /\s+/, $value;
668 }
669 }
670
671 return @branch_refs;
672 }
673
674 # checking HEAD file with -e is fragile if the repository was
675 # initialized long time ago (i.e. symlink HEAD) and was pack-ref'ed
676 # and then pruned.
677 sub check_head_link {
678 my ($dir) = @_;
679 my $headfile = "$dir/HEAD";
680 return ((-e $headfile) ||
681 (-l $headfile && readlink($headfile) =~ /^refs\/heads\//));
682 }
683
684 sub check_export_ok {
685 my ($dir) = @_;
686 return (check_head_link($dir) &&
687 (!$export_ok || -e "$dir/$export_ok") &&
688 (!$export_auth_hook || $export_auth_hook->($dir)));
689 }
690
691 # process alternate names for backward compatibility
692 # filter out unsupported (unknown) snapshot formats
693 sub filter_snapshot_fmts {
694 my @fmts = @_;
695
696 @fmts = map {
697 exists $known_snapshot_format_aliases{$_} ?
698 $known_snapshot_format_aliases{$_} : $_} @fmts;
699 @fmts = grep {
700 exists $known_snapshot_formats{$_} &&
701 !$known_snapshot_formats{$_}{'disabled'}} @fmts;
702 }
703
704 sub filter_and_validate_refs {
705 my @refs = @_;
706 my %unique_refs = ();
707
708 foreach my $ref (@refs) {
709 die_error(500, "Invalid ref '$ref' in 'extra-branch-refs' feature") unless (is_valid_ref_format($ref));
710 # 'heads' are added implicitly in get_branch_refs().
711 $unique_refs{$ref} = 1 if ($ref ne 'heads');
712 }
713 return sort keys %unique_refs;
714 }
715
716 # If it is set to code reference, it is code that it is to be run once per
717 # request, allowing updating configurations that change with each request,
718 # while running other code in config file only once.
719 #
720 # Otherwise, if it is false then gitweb would process config file only once;
721 # if it is true then gitweb config would be run for each request.
722 our $per_request_config = 1;
723
724 # read and parse gitweb config file given by its parameter.
725 # returns true on success, false on recoverable error, allowing
726 # to chain this subroutine, using first file that exists.
727 # dies on errors during parsing config file, as it is unrecoverable.
728 sub read_config_file {
729 my $filename = shift;
730 return unless defined $filename;
731 # die if there are errors parsing config file
732 if (-e $filename) {
733 do $filename;
734 die $@ if $@;
735 return 1;
736 }
737 return;
738 }
739
740 our ($GITWEB_CONFIG, $GITWEB_CONFIG_SYSTEM, $GITWEB_CONFIG_COMMON);
741 sub evaluate_gitweb_config {
742 our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "gitweb_config.perl";
743 our $GITWEB_CONFIG_SYSTEM = $ENV{'GITWEB_CONFIG_SYSTEM'} || "/etc/gitweb.conf";
744 our $GITWEB_CONFIG_COMMON = $ENV{'GITWEB_CONFIG_COMMON'} || "/etc/gitweb-common.conf";
745
746 # Protect against duplications of file names, to not read config twice.
747 # Only one of $GITWEB_CONFIG and $GITWEB_CONFIG_SYSTEM is used, so
748 # there possibility of duplication of filename there doesn't matter.
749 $GITWEB_CONFIG = "" if ($GITWEB_CONFIG eq $GITWEB_CONFIG_COMMON);
750 $GITWEB_CONFIG_SYSTEM = "" if ($GITWEB_CONFIG_SYSTEM eq $GITWEB_CONFIG_COMMON);
751
752 # Common system-wide settings for convenience.
753 # Those settings can be overridden by GITWEB_CONFIG or GITWEB_CONFIG_SYSTEM.
754 read_config_file($GITWEB_CONFIG_COMMON);
755
756 # Use first config file that exists. This means use the per-instance
757 # GITWEB_CONFIG if exists, otherwise use GITWEB_SYSTEM_CONFIG.
758 read_config_file($GITWEB_CONFIG) and return;
759 read_config_file($GITWEB_CONFIG_SYSTEM);
760 }
761
762 # Get loadavg of system, to compare against $maxload.
763 # Currently it requires '/proc/loadavg' present to get loadavg;
764 # if it is not present it returns 0, which means no load checking.
765 sub get_loadavg {
766 if( -e '/proc/loadavg' ){
767 open my $fd, '<', '/proc/loadavg'
768 or return 0;
769 my @load = split(/\s+/, scalar <$fd>);
770 close $fd;
771
772 # The first three columns measure CPU and IO utilization of the last one,
773 # five, and 10 minute periods. The fourth column shows the number of
774 # currently running processes and the total number of processes in the m/n
775 # format. The last column displays the last process ID used.
776 return $load[0] || 0;
777 }
778 # additional checks for load average should go here for things that don't export
779 # /proc/loadavg
780
781 return 0;
782 }
783
784 # version of the core git binary
785 our $git_version;
786 sub evaluate_git_version {
787 our $git_version = qx("$GIT" --version) =~ m/git version (.*)$/ ? $1 : "unknown";
788 $number_of_git_cmds++;
789 }
790
791 sub check_loadavg {
792 if (defined $maxload && get_loadavg() > $maxload) {
793 die_error(503, "The load average on the server is too high");
794 }
795 }
796
797 # ======================================================================
798 # input validation and dispatch
799
800 # Various hash size-related values.
801 my $sha1_len = 40;
802 my $sha256_extra_len = 24;
803 my $sha256_len = $sha1_len + $sha256_extra_len;
804
805 # A regex matching $len hex characters. $len may be a range (e.g. 7,64).
806 sub oid_nlen_regex {
807 my $len = shift;
808 my $hchr = qr/[0-9a-fA-F]/;
809 return qr/(?:(?:$hchr){$len})/;
810 }
811
812 # A regex matching two sets of $nlen hex characters, prefixed by the literal
813 # string $prefix and with the literal string $infix between them.
814 sub oid_nlen_prefix_infix_regex {
815 my $nlen = shift;
816 my $prefix = shift;
817 my $infix = shift;
818
819 my $rx = oid_nlen_regex($nlen);
820
821 return qr/^\Q$prefix\E$rx\Q$infix\E$rx$/;
822 }
823
824 # A regex matching a valid object ID.
825 our $oid_regex;
826 {
827 my $x = oid_nlen_regex($sha1_len);
828 my $y = oid_nlen_regex($sha256_extra_len);
829 $oid_regex = qr/(?:$x(?:$y)?)/;
830 }
831
832 # input parameters can be collected from a variety of sources (presently, CGI
833 # and PATH_INFO), so we define an %input_params hash that collects them all
834 # together during validation: this allows subsequent uses (e.g. href()) to be
835 # agnostic of the parameter origin
836
837 our %input_params = ();
838
839 # input parameters are stored with the long parameter name as key. This will
840 # also be used in the href subroutine to convert parameters to their CGI
841 # equivalent, and since the href() usage is the most frequent one, we store
842 # the name -> CGI key mapping here, instead of the reverse.
843 #
844 # XXX: Warning: If you touch this, check the search form for updating,
845 # too.
846
847 our @cgi_param_mapping = (
848 project => "p",
849 action => "a",
850 file_name => "f",
851 file_parent => "fp",
852 hash => "h",
853 hash_parent => "hp",
854 hash_base => "hb",
855 hash_parent_base => "hpb",
856 page => "pg",
857 order => "o",
858 searchtext => "s",
859 searchtype => "st",
860 snapshot_format => "sf",
861 extra_options => "opt",
862 search_use_regexp => "sr",
863 ctag => "by_tag",
864 diff_style => "ds",
865 project_filter => "pf",
866 # this must be last entry (for manipulation from JavaScript)
867 javascript => "js"
868 );
869 our %cgi_param_mapping = @cgi_param_mapping;
870
871 # we will also need to know the possible actions, for validation
872 our %actions = (
873 "blame" => \&git_blame,
874 "blame_incremental" => \&git_blame_incremental,
875 "blame_data" => \&git_blame_data,
876 "blobdiff" => \&git_blobdiff,
877 "blobdiff_plain" => \&git_blobdiff_plain,
878 "blob" => \&git_blob,
879 "blob_plain" => \&git_blob_plain,
880 "commitdiff" => \&git_commitdiff,
881 "commitdiff_plain" => \&git_commitdiff_plain,
882 "commit" => \&git_commit,
883 "forks" => \&git_forks,
884 "heads" => \&git_heads,
885 "history" => \&git_history,
886 "log" => \&git_log,
887 "patch" => \&git_patch,
888 "patches" => \&git_patches,
889 "remotes" => \&git_remotes,
890 "atom" => \&git_atom,
891 "search" => \&git_search,
892 "search_help" => \&git_search_help,
893 "shortlog" => \&git_shortlog,
894 "summary" => \&git_summary,
895 "tag" => \&git_tag,
896 "tags" => \&git_tags,
897 "tree" => \&git_tree,
898 "snapshot" => \&git_snapshot,
899 "object" => \&git_object,
900 # those below don't need $project
901 "opml" => \&git_opml,
902 "project_list" => \&git_project_list,
903 "project_index" => \&git_project_index,
904 );
905
906 # finally, we have the hash of allowed extra_options for the commands that
907 # allow them
908 our %allowed_options = (
909 "--no-merges" => [ qw(atom log shortlog history) ],
910 );
911
912 # fill %input_params with the CGI parameters. All values except for 'opt'
913 # should be single values, but opt can be an array. We should probably
914 # build an array of parameters that can be multi-valued, but since for the time
915 # being it's only this one, we just single it out
916 sub evaluate_query_params {
917 our $cgi;
918
919 while (my ($name, $symbol) = each %cgi_param_mapping) {
920 if ($symbol eq 'opt') {
921 $input_params{$name} = [ map { decode_utf8($_) } $cgi->multi_param($symbol) ];
922 } else {
923 $input_params{$name} = decode_utf8($cgi->param($symbol));
924 }
925 }
926 }
927
928 # now read PATH_INFO and update the parameter list for missing parameters
929 sub evaluate_path_info {
930 return if defined $input_params{'project'};
931 return if !$path_info;
932 $path_info =~ s,^/+,,;
933 return if !$path_info;
934
935 # find which part of PATH_INFO is project
936 my $project = $path_info;
937 $project =~ s,/+$,,;
938 while ($project && !check_head_link("$projectroot/$project")) {
939 $project =~ s,/*[^/]*$,,;
940 }
941 return unless $project;
942 $input_params{'project'} = $project;
943
944 # do not change any parameters if an action is given using the query string
945 return if $input_params{'action'};
946 $path_info =~ s,^\Q$project\E/*,,;
947
948 # next, check if we have an action
949 my $action = $path_info;
950 $action =~ s,/.*$,,;
951 if (exists $actions{$action}) {
952 $path_info =~ s,^$action/*,,;
953 $input_params{'action'} = $action;
954 }
955
956 # list of actions that want hash_base instead of hash, but can have no
957 # pathname (f) parameter
958 my @wants_base = (
959 'tree',
960 'history',
961 );
962
963 # we want to catch, among others
964 # [$hash_parent_base[:$file_parent]..]$hash_parent[:$file_name]
965 my ($parentrefname, $parentpathname, $refname, $pathname) =
966 ($path_info =~ /^(?:(.+?)(?::(.+))?\.\.)?([^:]+?)?(?::(.+))?$/);
967
968 # first, analyze the 'current' part
969 if (defined $pathname) {
970 # we got "branch:filename" or "branch:dir/"
971 # we could use git_get_type(branch:pathname), but:
972 # - it needs $git_dir
973 # - it does a git() call
974 # - the convention of terminating directories with a slash
975 # makes it superfluous
976 # - embedding the action in the PATH_INFO would make it even
977 # more superfluous
978 $pathname =~ s,^/+,,;
979 if (!$pathname || substr($pathname, -1) eq "/") {
980 $input_params{'action'} ||= "tree";
981 $pathname =~ s,/$,,;
982 } else {
983 # the default action depends on whether we had parent info
984 # or not
985 if ($parentrefname) {
986 $input_params{'action'} ||= "blobdiff_plain";
987 } else {
988 $input_params{'action'} ||= "blob_plain";
989 }
990 }
991 $input_params{'hash_base'} ||= $refname;
992 $input_params{'file_name'} ||= $pathname;
993 } elsif (defined $refname) {
994 # we got "branch". In this case we have to choose if we have to
995 # set hash or hash_base.
996 #
997 # Most of the actions without a pathname only want hash to be
998 # set, except for the ones specified in @wants_base that want
999 # hash_base instead. It should also be noted that hand-crafted
1000 # links having 'history' as an action and no pathname or hash
1001 # set will fail, but that happens regardless of PATH_INFO.
1002 if (defined $parentrefname) {
1003 # if there is parent let the default be 'shortlog' action
1004 # (for http://git.example.com/repo.git/A..B links); if there
1005 # is no parent, dispatch will detect type of object and set
1006 # action appropriately if required (if action is not set)
1007 $input_params{'action'} ||= "shortlog";
1008 }
1009 if ($input_params{'action'} &&
1010 grep { $_ eq $input_params{'action'} } @wants_base) {
1011 $input_params{'hash_base'} ||= $refname;
1012 } else {
1013 $input_params{'hash'} ||= $refname;
1014 }
1015 }
1016
1017 # next, handle the 'parent' part, if present
1018 if (defined $parentrefname) {
1019 # a missing pathspec defaults to the 'current' filename, allowing e.g.
1020 # someproject/blobdiff/oldrev..newrev:/filename
1021 if ($parentpathname) {
1022 $parentpathname =~ s,^/+,,;
1023 $parentpathname =~ s,/$,,;
1024 $input_params{'file_parent'} ||= $parentpathname;
1025 } else {
1026 $input_params{'file_parent'} ||= $input_params{'file_name'};
1027 }
1028 # we assume that hash_parent_base is wanted if a path was specified,
1029 # or if the action wants hash_base instead of hash
1030 if (defined $input_params{'file_parent'} ||
1031 grep { $_ eq $input_params{'action'} } @wants_base) {
1032 $input_params{'hash_parent_base'} ||= $parentrefname;
1033 } else {
1034 $input_params{'hash_parent'} ||= $parentrefname;
1035 }
1036 }
1037
1038 # for the snapshot action, we allow URLs in the form
1039 # $project/snapshot/$hash.ext
1040 # where .ext determines the snapshot and gets removed from the
1041 # passed $refname to provide the $hash.
1042 #
1043 # To be able to tell that $refname includes the format extension, we
1044 # require the following two conditions to be satisfied:
1045 # - the hash input parameter MUST have been set from the $refname part
1046 # of the URL (i.e. they must be equal)
1047 # - the snapshot format MUST NOT have been defined already (e.g. from
1048 # CGI parameter sf)
1049 # It's also useless to try any matching unless $refname has a dot,
1050 # so we check for that too
1051 if (defined $input_params{'action'} &&
1052 $input_params{'action'} eq 'snapshot' &&
1053 defined $refname && index($refname, '.') != -1 &&
1054 $refname eq $input_params{'hash'} &&
1055 !defined $input_params{'snapshot_format'}) {
1056 # We loop over the known snapshot formats, checking for
1057 # extensions. Allowed extensions are both the defined suffix
1058 # (which includes the initial dot already) and the snapshot
1059 # format key itself, with a prepended dot
1060 while (my ($fmt, $opt) = each %known_snapshot_formats) {
1061 my $hash = $refname;
1062 unless ($hash =~ s/(\Q$opt->{'suffix'}\E|\Q.$fmt\E)$//) {
1063 next;
1064 }
1065 my $sfx = $1;
1066 # a valid suffix was found, so set the snapshot format
1067 # and reset the hash parameter
1068 $input_params{'snapshot_format'} = $fmt;
1069 $input_params{'hash'} = $hash;
1070 # we also set the format suffix to the one requested
1071 # in the URL: this way a request for e.g. .tgz returns
1072 # a .tgz instead of a .tar.gz
1073 $known_snapshot_formats{$fmt}{'suffix'} = $sfx;
1074 last;
1075 }
1076 }
1077 }
1078
1079 our ($action, $project, $file_name, $file_parent, $hash, $hash_parent, $hash_base,
1080 $hash_parent_base, @extra_options, $page, $searchtype, $search_use_regexp,
1081 $searchtext, $search_regexp, $project_filter);
1082 sub evaluate_and_validate_params {
1083 our $action = $input_params{'action'};
1084 if (defined $action) {
1085 if (!is_valid_action($action)) {
1086 die_error(400, "Invalid action parameter");
1087 }
1088 }
1089
1090 # parameters which are pathnames
1091 our $project = $input_params{'project'};
1092 if (defined $project) {
1093 if (!is_valid_project($project)) {
1094 undef $project;
1095 die_error(404, "No such project");
1096 }
1097 }
1098
1099 our $project_filter = $input_params{'project_filter'};
1100 if (defined $project_filter) {
1101 if (!is_valid_pathname($project_filter)) {
1102 die_error(404, "Invalid project_filter parameter");
1103 }
1104 }
1105
1106 our $file_name = $input_params{'file_name'};
1107 if (defined $file_name) {
1108 if (!is_valid_pathname($file_name)) {
1109 die_error(400, "Invalid file parameter");
1110 }
1111 }
1112
1113 our $file_parent = $input_params{'file_parent'};
1114 if (defined $file_parent) {
1115 if (!is_valid_pathname($file_parent)) {
1116 die_error(400, "Invalid file parent parameter");
1117 }
1118 }
1119
1120 # parameters which are refnames
1121 our $hash = $input_params{'hash'};
1122 if (defined $hash) {
1123 if (!is_valid_refname($hash)) {
1124 die_error(400, "Invalid hash parameter");
1125 }
1126 }
1127
1128 our $hash_parent = $input_params{'hash_parent'};
1129 if (defined $hash_parent) {
1130 if (!is_valid_refname($hash_parent)) {
1131 die_error(400, "Invalid hash parent parameter");
1132 }
1133 }
1134
1135 our $hash_base = $input_params{'hash_base'};
1136 if (defined $hash_base) {
1137 if (!is_valid_refname($hash_base)) {
1138 die_error(400, "Invalid hash base parameter");
1139 }
1140 }
1141
1142 our @extra_options = @{$input_params{'extra_options'}};
1143 # @extra_options is always defined, since it can only be (currently) set from
1144 # CGI, and $cgi->param() returns the empty array in array context if the param
1145 # is not set
1146 foreach my $opt (@extra_options) {
1147 if (not exists $allowed_options{$opt}) {
1148 die_error(400, "Invalid option parameter");
1149 }
1150 if (not grep(/^$action$/, @{$allowed_options{$opt}})) {
1151 die_error(400, "Invalid option parameter for this action");
1152 }
1153 }
1154
1155 our $hash_parent_base = $input_params{'hash_parent_base'};
1156 if (defined $hash_parent_base) {
1157 if (!is_valid_refname($hash_parent_base)) {
1158 die_error(400, "Invalid hash parent base parameter");
1159 }
1160 }
1161
1162 # other parameters
1163 our $page = $input_params{'page'};
1164 if (defined $page) {
1165 if ($page =~ m/[^0-9]/) {
1166 die_error(400, "Invalid page parameter");
1167 }
1168 }
1169
1170 our $searchtype = $input_params{'searchtype'};
1171 if (defined $searchtype) {
1172 if ($searchtype =~ m/[^a-z]/) {
1173 die_error(400, "Invalid searchtype parameter");
1174 }
1175 }
1176
1177 our $search_use_regexp = $input_params{'search_use_regexp'};
1178
1179 our $searchtext = $input_params{'searchtext'};
1180 our $search_regexp = undef;
1181 if (defined $searchtext) {
1182 if (length($searchtext) < 2) {
1183 die_error(403, "At least two characters are required for search parameter");
1184 }
1185 if ($search_use_regexp) {
1186 $search_regexp = $searchtext;
1187 if (!eval { qr/$search_regexp/; 1; }) {
1188 (my $error = $@) =~ s/ at \S+ line \d+.*\n?//;
1189 die_error(400, "Invalid search regexp '$search_regexp'",
1190 esc_html($error));
1191 }
1192 } else {
1193 $search_regexp = quotemeta $searchtext;
1194 }
1195 }
1196 }
1197
1198 # path to the current git repository
1199 our $git_dir;
1200 sub evaluate_git_dir {
1201 our $git_dir = "$projectroot/$project" if $project;
1202 }
1203
1204 our (@snapshot_fmts, $git_avatar, @extra_branch_refs);
1205 sub configure_gitweb_features {
1206 # list of supported snapshot formats
1207 our @snapshot_fmts = gitweb_get_feature('snapshot');
1208 @snapshot_fmts = filter_snapshot_fmts(@snapshot_fmts);
1209
1210 our ($git_avatar) = gitweb_get_feature('avatar');
1211 $git_avatar = '' unless $git_avatar =~ /^(?:gravatar|picon)$/s;
1212
1213 our @extra_branch_refs = gitweb_get_feature('extra-branch-refs');
1214 @extra_branch_refs = filter_and_validate_refs (@extra_branch_refs);
1215 }
1216
1217 sub get_branch_refs {
1218 return ('heads', @extra_branch_refs);
1219 }
1220
1221 # custom error handler: 'die <message>' is Internal Server Error
1222 sub handle_errors_html {
1223 my $msg = shift; # it is already HTML escaped
1224
1225 # to avoid infinite loop where error occurs in die_error,
1226 # change handler to default handler, disabling handle_errors_html
1227 set_message("Error occurred when inside die_error:\n$msg");
1228
1229 # you cannot jump out of die_error when called as error handler;
1230 # the subroutine set via CGI::Carp::set_message is called _after_
1231 # HTTP headers are already written, so it cannot write them itself
1232 die_error(undef, undef, $msg, -error_handler => 1, -no_http_header => 1);
1233 }
1234 set_message(\&handle_errors_html);
1235
1236 # dispatch
1237 sub dispatch {
1238 if (!defined $action) {
1239 if (defined $hash) {
1240 $action = git_get_type($hash);
1241 $action or die_error(404, "Object does not exist");
1242 } elsif (defined $hash_base && defined $file_name) {
1243 $action = git_get_type("$hash_base:$file_name");
1244 $action or die_error(404, "File or directory does not exist");
1245 } elsif (defined $project) {
1246 $action = 'summary';
1247 } else {
1248 $action = 'project_list';
1249 }
1250 }
1251 if (!defined($actions{$action})) {
1252 die_error(400, "Unknown action");
1253 }
1254 if ($action !~ m/^(?:opml|project_list|project_index)$/ &&
1255 !$project) {
1256 die_error(400, "Project needed");
1257 }
1258 $actions{$action}->();
1259 }
1260
1261 sub reset_timer {
1262 our $t0 = [ gettimeofday() ]
1263 if defined $t0;
1264 our $number_of_git_cmds = 0;
1265 }
1266
1267 our $first_request = 1;
1268 sub run_request {
1269 reset_timer();
1270
1271 evaluate_uri();
1272 if ($first_request) {
1273 evaluate_gitweb_config();
1274 evaluate_git_version();
1275 }
1276 if ($per_request_config) {
1277 if (ref($per_request_config) eq 'CODE') {
1278 $per_request_config->();
1279 } elsif (!$first_request) {
1280 evaluate_gitweb_config();
1281 }
1282 }
1283 check_loadavg();
1284
1285 # $projectroot and $projects_list might be set in gitweb config file
1286 $projects_list ||= $projectroot;
1287
1288 evaluate_query_params();
1289 evaluate_path_info();
1290 evaluate_and_validate_params();
1291 evaluate_git_dir();
1292
1293 configure_gitweb_features();
1294
1295 dispatch();
1296 }
1297
1298 our $is_last_request = sub { 1 };
1299 our ($pre_dispatch_hook, $post_dispatch_hook, $pre_listen_hook);
1300 our $CGI = 'CGI';
1301 our $cgi;
1302 our $FCGI_Stream_PRINT_raw = \&FCGI::Stream::PRINT;
1303 sub configure_as_fcgi {
1304 require CGI::Fast;
1305 our $CGI = 'CGI::Fast';
1306 # FCGI is not Unicode aware hence the UTF-8 encoding must be done manually.
1307 # However no encoding must be done within git_blob_plain() and git_snapshot()
1308 # which must still output in raw binary mode.
1309 no warnings 'redefine';
1310 my $enc = Encode::find_encoding('UTF-8');
1311 *FCGI::Stream::PRINT = sub {
1312 my @OUTPUT = @_;
1313 for (my $i = 1; $i < @_; $i++) {
1314 $OUTPUT[$i] = $enc->encode($_[$i], Encode::FB_CROAK|Encode::LEAVE_SRC);
1315 }
1316 @_ = @OUTPUT;
1317 goto $FCGI_Stream_PRINT_raw;
1318 };
1319
1320 my $request_number = 0;
1321 # let each child service 100 requests
1322 our $is_last_request = sub { ++$request_number > 100 };
1323 }
1324 sub evaluate_argv {
1325 my $script_name = $ENV{'SCRIPT_NAME'} || $ENV{'SCRIPT_FILENAME'} || __FILE__;
1326 configure_as_fcgi()
1327 if $script_name =~ /\.fcgi$/;
1328
1329 return unless (@ARGV);
1330
1331 require Getopt::Long;
1332 Getopt::Long::GetOptions(
1333 'fastcgi|fcgi|f' => \&configure_as_fcgi,
1334 'nproc|n=i' => sub {
1335 my ($arg, $val) = @_;
1336 return unless eval { require FCGI::ProcManager; 1; };
1337 my $proc_manager = FCGI::ProcManager->new({
1338 n_processes => $val,
1339 });
1340 our $pre_listen_hook = sub { $proc_manager->pm_manage() };
1341 our $pre_dispatch_hook = sub { $proc_manager->pm_pre_dispatch() };
1342 our $post_dispatch_hook = sub { $proc_manager->pm_post_dispatch() };
1343 },
1344 );
1345 }
1346
1347 sub run {
1348 evaluate_argv();
1349
1350 $first_request = 1;
1351 $pre_listen_hook->()
1352 if $pre_listen_hook;
1353
1354 REQUEST:
1355 while ($cgi = $CGI->new()) {
1356 $pre_dispatch_hook->()
1357 if $pre_dispatch_hook;
1358
1359 run_request();
1360
1361 $post_dispatch_hook->()
1362 if $post_dispatch_hook;
1363 $first_request = 0;
1364
1365 last REQUEST if ($is_last_request->());
1366 }
1367
1368 DONE_GITWEB:
1369 1;
1370 }
1371
1372 run();
1373
1374 if (defined caller) {
1375 # wrapped in a subroutine processing requests,
1376 # e.g. mod_perl with ModPerl::Registry, or PSGI with Plack::App::WrapCGI
1377 return;
1378 } else {
1379 # pure CGI script, serving single request
1380 exit;
1381 }
1382
1383 ## ======================================================================
1384 ## action links
1385
1386 # possible values of extra options
1387 # -full => 0|1 - use absolute/full URL ($my_uri/$my_url as base)
1388 # -replay => 1 - start from a current view (replay with modifications)
1389 # -path_info => 0|1 - don't use/use path_info URL (if possible)
1390 # -anchor => ANCHOR - add #ANCHOR to end of URL, implies -replay if used alone
1391 sub href {
1392 my %params = @_;
1393 # default is to use -absolute url() i.e. $my_uri
1394 my $href = $params{-full} ? $my_url : $my_uri;
1395
1396 # implicit -replay, must be first of implicit params
1397 $params{-replay} = 1 if (keys %params == 1 && $params{-anchor});
1398
1399 $params{'project'} = $project unless exists $params{'project'};
1400
1401 if ($params{-replay}) {
1402 while (my ($name, $symbol) = each %cgi_param_mapping) {
1403 if (!exists $params{$name}) {
1404 $params{$name} = $input_params{$name};
1405 }
1406 }
1407 }
1408
1409 my $use_pathinfo = gitweb_check_feature('pathinfo');
1410 if (defined $params{'project'} &&
1411 (exists $params{-path_info} ? $params{-path_info} : $use_pathinfo)) {
1412 # try to put as many parameters as possible in PATH_INFO:
1413 # - project name
1414 # - action
1415 # - hash_parent or hash_parent_base:/file_parent
1416 # - hash or hash_base:/filename
1417 # - the snapshot_format as an appropriate suffix
1418
1419 # When the script is the root DirectoryIndex for the domain,
1420 # $href here would be something like http://gitweb.example.com/
1421 # Thus, we strip any trailing / from $href, to spare us double
1422 # slashes in the final URL
1423 $href =~ s,/$,,;
1424
1425 # Then add the project name, if present
1426 $href .= "/".esc_path_info($params{'project'});
1427 delete $params{'project'};
1428
1429 # since we destructively absorb parameters, we keep this
1430 # boolean that remembers if we're handling a snapshot
1431 my $is_snapshot = $params{'action'} eq 'snapshot';
1432
1433 # Summary just uses the project path URL, any other action is
1434 # added to the URL
1435 if (defined $params{'action'}) {
1436 $href .= "/".esc_path_info($params{'action'})
1437 unless $params{'action'} eq 'summary';
1438 delete $params{'action'};
1439 }
1440
1441 # Next, we put hash_parent_base:/file_parent..hash_base:/file_name,
1442 # stripping nonexistent or useless pieces
1443 $href .= "/" if ($params{'hash_base'} || $params{'hash_parent_base'}
1444 || $params{'hash_parent'} || $params{'hash'});
1445 if (defined $params{'hash_base'}) {
1446 if (defined $params{'hash_parent_base'}) {
1447 $href .= esc_path_info($params{'hash_parent_base'});
1448 # skip the file_parent if it's the same as the file_name
1449 if (defined $params{'file_parent'}) {
1450 if (defined $params{'file_name'} && $params{'file_parent'} eq $params{'file_name'}) {
1451 delete $params{'file_parent'};
1452 } elsif ($params{'file_parent'} !~ /\.\./) {
1453 $href .= ":/".esc_path_info($params{'file_parent'});
1454 delete $params{'file_parent'};
1455 }
1456 }
1457 $href .= "..";
1458 delete $params{'hash_parent'};
1459 delete $params{'hash_parent_base'};
1460 } elsif (defined $params{'hash_parent'}) {
1461 $href .= esc_path_info($params{'hash_parent'}). "..";
1462 delete $params{'hash_parent'};
1463 }
1464
1465 $href .= esc_path_info($params{'hash_base'});
1466 if (defined $params{'file_name'} && $params{'file_name'} !~ /\.\./) {
1467 $href .= ":/".esc_path_info($params{'file_name'});
1468 delete $params{'file_name'};
1469 }
1470 delete $params{'hash'};
1471 delete $params{'hash_base'};
1472 } elsif (defined $params{'hash'}) {
1473 $href .= esc_path_info($params{'hash'});
1474 delete $params{'hash'};
1475 }
1476
1477 # If the action was a snapshot, we can absorb the
1478 # snapshot_format parameter too
1479 if ($is_snapshot) {
1480 my $fmt = $params{'snapshot_format'};
1481 # snapshot_format should always be defined when href()
1482 # is called, but just in case some code forgets, we
1483 # fall back to the default
1484 $fmt ||= $snapshot_fmts[0];
1485 $href .= $known_snapshot_formats{$fmt}{'suffix'};
1486 delete $params{'snapshot_format'};
1487 }
1488 }
1489
1490 # now encode the parameters explicitly
1491 my @result = ();
1492 for (my $i = 0; $i < @cgi_param_mapping; $i += 2) {
1493 my ($name, $symbol) = ($cgi_param_mapping[$i], $cgi_param_mapping[$i+1]);
1494 if (defined $params{$name}) {
1495 if (ref($params{$name}) eq "ARRAY") {
1496 foreach my $par (@{$params{$name}}) {
1497 push @result, $symbol . "=" . esc_param($par);
1498 }
1499 } else {
1500 push @result, $symbol . "=" . esc_param($params{$name});
1501 }
1502 }
1503 }
1504 $href .= "?" . join(';', @result) if scalar @result;
1505
1506 # final transformation: trailing spaces must be escaped (URI-encoded)
1507 $href =~ s/(\s+)$/CGI::escape($1)/e;
1508
1509 if ($params{-anchor}) {
1510 $href .= "#".esc_param($params{-anchor});
1511 }
1512
1513 return $href;
1514 }
1515
1516
1517 ## ======================================================================
1518 ## validation, quoting/unquoting and escaping
1519
1520 sub is_valid_action {
1521 my $input = shift;
1522 return undef unless exists $actions{$input};
1523 return 1;
1524 }
1525
1526 sub is_valid_project {
1527 my $input = shift;
1528
1529 return unless defined $input;
1530 if (!is_valid_pathname($input) ||
1531 !(-d "$projectroot/$input") ||
1532 !check_export_ok("$projectroot/$input") ||
1533 ($strict_export && !project_in_list($input))) {
1534 return undef;
1535 } else {
1536 return 1;
1537 }
1538 }
1539
1540 sub is_valid_pathname {
1541 my $input = shift;
1542
1543 return undef unless defined $input;
1544 # no '.' or '..' as elements of path, i.e. no '.' or '..'
1545 # at the beginning, at the end, and between slashes.
1546 # also this catches doubled slashes
1547 if ($input =~ m!(^|/)(|\.|\.\.)(/|$)!) {
1548 return undef;
1549 }
1550 # no null characters
1551 if ($input =~ m!\0!) {
1552 return undef;
1553 }
1554 return 1;
1555 }
1556
1557 sub is_valid_ref_format {
1558 my $input = shift;
1559
1560 return undef unless defined $input;
1561 # restrictions on ref name according to git-check-ref-format
1562 if ($input =~ m!(/\.|\.\.|[\000-\040\177 ~^:?*\[]|/$)!) {
1563 return undef;
1564 }
1565 return 1;
1566 }
1567
1568 sub is_valid_refname {
1569 my $input = shift;
1570
1571 return undef unless defined $input;
1572 # textual hashes are O.K.
1573 if ($input =~ m/^$oid_regex$/) {
1574 return 1;
1575 }
1576 # it must be correct pathname
1577 is_valid_pathname($input) or return undef;
1578 # check git-check-ref-format restrictions
1579 is_valid_ref_format($input) or return undef;
1580 return 1;
1581 }
1582
1583 # decode sequences of octets in utf8 into Perl's internal form,
1584 # which is utf-8 with utf8 flag set if needed. gitweb writes out
1585 # in utf-8 thanks to "binmode STDOUT, ':utf8'" at beginning
1586 sub to_utf8 {
1587 my $str = shift;
1588 return undef unless defined $str;
1589
1590 if (utf8::is_utf8($str) || utf8::decode($str)) {
1591 return $str;
1592 } else {
1593 return decode($fallback_encoding, $str, Encode::FB_DEFAULT);
1594 }
1595 }
1596
1597 # quote unsafe chars, but keep the slash, even when it's not
1598 # correct, but quoted slashes look too horrible in bookmarks
1599 sub esc_param {
1600 my $str = shift;
1601 return undef unless defined $str;
1602 $str =~ s/([^A-Za-z0-9\-_.~()\/:@ ]+)/CGI::escape($1)/eg;
1603 $str =~ s/ /\+/g;
1604 return $str;
1605 }
1606
1607 # the quoting rules for path_info fragment are slightly different
1608 sub esc_path_info {
1609 my $str = shift;
1610 return undef unless defined $str;
1611
1612 # path_info doesn't treat '+' as space (specially), but '?' must be escaped
1613 $str =~ s/([^A-Za-z0-9\-_.~();\/;:@&= +]+)/CGI::escape($1)/eg;
1614
1615 return $str;
1616 }
1617
1618 # quote unsafe chars in whole URL, so some characters cannot be quoted
1619 sub esc_url {
1620 my $str = shift;
1621 return undef unless defined $str;
1622 $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&= ]+)/CGI::escape($1)/eg;
1623 $str =~ s/ /\+/g;
1624 return $str;
1625 }
1626
1627 # quote unsafe characters in HTML attributes
1628 sub esc_attr {
1629
1630 # for XHTML conformance escaping '"' to '&quot;' is not enough
1631 return esc_html(@_);
1632 }
1633
1634 # replace invalid utf8 character with SUBSTITUTION sequence
1635 sub esc_html {
1636 my $str = shift;
1637 my %opts = @_;
1638
1639 return undef unless defined $str;
1640
1641 $str = to_utf8($str);
1642 $str = $cgi->escapeHTML($str);
1643 if ($opts{'-nbsp'}) {
1644 $str =~ s/ /&nbsp;/g;
1645 }
1646 $str =~ s|([[:cntrl:]])|(($1 ne "\t") ? quot_cec($1) : $1)|eg;
1647 return $str;
1648 }
1649
1650 # quote control characters and escape filename to HTML
1651 sub esc_path {
1652 my $str = shift;
1653 my %opts = @_;
1654
1655 return undef unless defined $str;
1656
1657 $str = to_utf8($str);
1658 $str = $cgi->escapeHTML($str);
1659 if ($opts{'-nbsp'}) {
1660 $str =~ s/ /&nbsp;/g;
1661 }
1662 $str =~ s|([[:cntrl:]])|quot_cec($1)|eg;
1663 return $str;
1664 }
1665
1666 # Sanitize for use in XHTML + application/xml+xhtml (valid XML 1.0)
1667 sub sanitize {
1668 my $str = shift;
1669
1670 return undef unless defined $str;
1671
1672 $str = to_utf8($str);
1673 $str =~ s|([[:cntrl:]])|(index("\t\n\r", $1) != -1 ? $1 : quot_cec($1))|eg;
1674 return $str;
1675 }
1676
1677 # Make control characters "printable", using character escape codes (CEC)
1678 sub quot_cec {
1679 my $cntrl = shift;
1680 my %opts = @_;
1681 my %es = ( # character escape codes, aka escape sequences
1682 "\t" => '\t', # tab (HT)
1683 "\n" => '\n', # line feed (LF)
1684 "\r" => '\r', # carriage return (CR)
1685 "\f" => '\f', # form feed (FF)
1686 "\b" => '\b', # backspace (BS)
1687 "\a" => '\a', # alarm (bell) (BEL)
1688 "\e" => '\e', # escape (ESC)
1689 "\013" => '\v', # vertical tab (VT)
1690 "\000" => '\0', # nul character (NUL)
1691 );
1692 my $chr = ( (exists $es{$cntrl})
1693 ? $es{$cntrl}
1694 : sprintf('\%2x', ord($cntrl)) );
1695 if ($opts{-nohtml}) {
1696 return $chr;
1697 } else {
1698 return "<span class=\"cntrl\">$chr</span>";
1699 }
1700 }
1701
1702 # Alternatively use unicode control pictures codepoints,
1703 # Unicode "printable representation" (PR)
1704 sub quot_upr {
1705 my $cntrl = shift;
1706 my %opts = @_;
1707
1708 my $chr = sprintf('&#%04d;', 0x2400+ord($cntrl));
1709 if ($opts{-nohtml}) {
1710 return $chr;
1711 } else {
1712 return "<span class=\"cntrl\">$chr</span>";
1713 }
1714 }
1715
1716 # git may return quoted and escaped filenames
1717 sub unquote {
1718 my $str = shift;
1719
1720 sub unq {
1721 my $seq = shift;
1722 my %es = ( # character escape codes, aka escape sequences
1723 't' => "\t", # tab (HT, TAB)
1724 'n' => "\n", # newline (NL)
1725 'r' => "\r", # return (CR)
1726 'f' => "\f", # form feed (FF)
1727 'b' => "\b", # backspace (BS)
1728 'a' => "\a", # alarm (bell) (BEL)
1729 'e' => "\e", # escape (ESC)
1730 'v' => "\013", # vertical tab (VT)
1731 );
1732
1733 if ($seq =~ m/^[0-7]{1,3}$/) {
1734 # octal char sequence
1735 return chr(oct($seq));
1736 } elsif (exists $es{$seq}) {
1737 # C escape sequence, aka character escape code
1738 return $es{$seq};
1739 }
1740 # quoted ordinary character
1741 return $seq;
1742 }
1743
1744 if ($str =~ m/^"(.*)"$/) {
1745 # needs unquoting
1746 $str = $1;
1747 $str =~ s/\\([^0-7]|[0-7]{1,3})/unq($1)/eg;
1748 }
1749 return $str;
1750 }
1751
1752 # escape tabs (convert tabs to spaces)
1753 sub untabify {
1754 my $line = shift;
1755
1756 while ((my $pos = index($line, "\t")) != -1) {
1757 if (my $count = (8 - ($pos % 8))) {
1758 my $spaces = ' ' x $count;
1759 $line =~ s/\t/$spaces/;
1760 }
1761 }
1762
1763 return $line;
1764 }
1765
1766 sub project_in_list {
1767 my $project = shift;
1768 my @list = git_get_projects_list();
1769 return @list && scalar(grep { $_->{'path'} eq $project } @list);
1770 }
1771
1772 ## ----------------------------------------------------------------------
1773 ## HTML aware string manipulation
1774
1775 # Try to chop given string on a word boundary between position
1776 # $len and $len+$add_len. If there is no word boundary there,
1777 # chop at $len+$add_len. Do not chop if chopped part plus ellipsis
1778 # (marking chopped part) would be longer than given string.
1779 sub chop_str {
1780 my $str = shift;
1781 my $len = shift;
1782 my $add_len = shift || 10;
1783 my $where = shift || 'right'; # 'left' | 'center' | 'right'
1784
1785 # Make sure perl knows it is utf8 encoded so we don't
1786 # cut in the middle of a utf8 multibyte char.
1787 $str = to_utf8($str);
1788
1789 # allow only $len chars, but don't cut a word if it would fit in $add_len
1790 # if it doesn't fit, cut it if it's still longer than the dots we would add
1791 # remove chopped character entities entirely
1792
1793 # when chopping in the middle, distribute $len into left and right part
1794 # return early if chopping wouldn't make string shorter
1795 if ($where eq 'center') {
1796 return $str if ($len + 5 >= length($str)); # filler is length 5
1797 $len = int($len/2);
1798 } else {
1799 return $str if ($len + 4 >= length($str)); # filler is length 4
1800 }
1801
1802 # regexps: ending and beginning with word part up to $add_len
1803 my $endre = qr/.{$len}\w{0,$add_len}/;
1804 my $begre = qr/\w{0,$add_len}.{$len}/;
1805
1806 if ($where eq 'left') {
1807 $str =~ m/^(.*?)($begre)$/;
1808 my ($lead, $body) = ($1, $2);
1809 if (length($lead) > 4) {
1810 $lead = " ...";
1811 }
1812 return "$lead$body";
1813
1814 } elsif ($where eq 'center') {
1815 $str =~ m/^($endre)(.*)$/;
1816 my ($left, $str) = ($1, $2);
1817 $str =~ m/^(.*?)($begre)$/;
1818 my ($mid, $right) = ($1, $2);
1819 if (length($mid) > 5) {
1820 $mid = " ... ";
1821 }
1822 return "$left$mid$right";
1823
1824 } else {
1825 $str =~ m/^($endre)(.*)$/;
1826 my $body = $1;
1827 my $tail = $2;
1828 if (length($tail) > 4) {
1829 $tail = "... ";
1830 }
1831 return "$body$tail";
1832 }
1833 }
1834
1835 # takes the same arguments as chop_str, but also wraps a <span> around the
1836 # result with a title attribute if it does get chopped. Additionally, the
1837 # string is HTML-escaped.
1838 sub chop_and_escape_str {
1839 my ($str) = @_;
1840
1841 my $chopped = chop_str(@_);
1842 $str = to_utf8($str);
1843 if ($chopped eq $str) {
1844 return esc_html($chopped);
1845 } else {
1846 $str =~ s/[[:cntrl:]]/?/g;
1847 return $cgi->span({-title=>$str}, esc_html($chopped));
1848 }
1849 }
1850
1851 # Highlight selected fragments of string, using given CSS class,
1852 # and escape HTML. It is assumed that fragments do not overlap.
1853 # Regions are passed as list of pairs (array references).
1854 #
1855 # Example: esc_html_hl_regions("foobar", "mark", [ 0, 3 ]) returns
1856 # '<span class="mark">foo</span>bar'
1857 sub esc_html_hl_regions {
1858 my ($str, $css_class, @sel) = @_;
1859 my %opts = grep { ref($_) ne 'ARRAY' } @sel;
1860 @sel = grep { ref($_) eq 'ARRAY' } @sel;
1861 return esc_html($str, %opts) unless @sel;
1862
1863 my $out = '';
1864 my $pos = 0;
1865
1866 for my $s (@sel) {
1867 my ($begin, $end) = @$s;
1868
1869 # Don't create empty <span> elements.
1870 next if $end <= $begin;
1871
1872 my $escaped = esc_html(substr($str, $begin, $end - $begin),
1873 %opts);
1874
1875 $out .= esc_html(substr($str, $pos, $begin - $pos), %opts)
1876 if ($begin - $pos > 0);
1877 $out .= $cgi->span({-class => $css_class}, $escaped);
1878
1879 $pos = $end;
1880 }
1881 $out .= esc_html(substr($str, $pos), %opts)
1882 if ($pos < length($str));
1883
1884 return $out;
1885 }
1886
1887 # return positions of beginning and end of each match
1888 sub matchpos_list {
1889 my ($str, $regexp) = @_;
1890 return unless (defined $str && defined $regexp);
1891
1892 my @matches;
1893 while ($str =~ /$regexp/g) {
1894 push @matches, [$-[0], $+[0]];
1895 }
1896 return @matches;
1897 }
1898
1899 # highlight match (if any), and escape HTML
1900 sub esc_html_match_hl {
1901 my ($str, $regexp) = @_;
1902 return esc_html($str) unless defined $regexp;
1903
1904 my @matches = matchpos_list($str, $regexp);
1905 return esc_html($str) unless @matches;
1906
1907 return esc_html_hl_regions($str, 'match', @matches);
1908 }
1909
1910
1911 # highlight match (if any) of shortened string, and escape HTML
1912 sub esc_html_match_hl_chopped {
1913 my ($str, $chopped, $regexp) = @_;
1914 return esc_html_match_hl($str, $regexp) unless defined $chopped;
1915
1916 my @matches = matchpos_list($str, $regexp);
1917 return esc_html($chopped) unless @matches;
1918
1919 # filter matches so that we mark chopped string
1920 my $tail = "... "; # see chop_str
1921 unless ($chopped =~ s/\Q$tail\E$//) {
1922 $tail = '';
1923 }
1924 my $chop_len = length($chopped);
1925 my $tail_len = length($tail);
1926 my @filtered;
1927
1928 for my $m (@matches) {
1929 if ($m->[0] > $chop_len) {
1930 push @filtered, [ $chop_len, $chop_len + $tail_len ] if ($tail_len > 0);
1931 last;
1932 } elsif ($m->[1] > $chop_len) {
1933 push @filtered, [ $m->[0], $chop_len + $tail_len ];
1934 last;
1935 }
1936 push @filtered, $m;
1937 }
1938
1939 return esc_html_hl_regions($chopped . $tail, 'match', @filtered);
1940 }
1941
1942 ## ----------------------------------------------------------------------
1943 ## functions returning short strings
1944
1945 # CSS class for given age value (in seconds)
1946 sub age_class {
1947 my $age = shift;
1948
1949 if (!defined $age) {
1950 return "noage";
1951 } elsif ($age < 60*60*2) {
1952 return "age0";
1953 } elsif ($age < 60*60*24*2) {
1954 return "age1";
1955 } else {
1956 return "age2";
1957 }
1958 }
1959
1960 # convert age in seconds to "nn units ago" string
1961 sub age_string {
1962 my $age = shift;
1963 my $age_str;
1964
1965 if ($age > 60*60*24*365*2) {
1966 $age_str = (int $age/60/60/24/365);
1967 $age_str .= " years ago";
1968 } elsif ($age > 60*60*24*(365/12)*2) {
1969 $age_str = int $age/60/60/24/(365/12);
1970 $age_str .= " months ago";
1971 } elsif ($age > 60*60*24*7*2) {
1972 $age_str = int $age/60/60/24/7;
1973 $age_str .= " weeks ago";
1974 } elsif ($age > 60*60*24*2) {
1975 $age_str = int $age/60/60/24;
1976 $age_str .= " days ago";
1977 } elsif ($age > 60*60*2) {
1978 $age_str = int $age/60/60;
1979 $age_str .= " hours ago";
1980 } elsif ($age > 60*2) {
1981 $age_str = int $age/60;
1982 $age_str .= " min ago";
1983 } elsif ($age > 2) {
1984 $age_str = int $age;
1985 $age_str .= " sec ago";
1986 } else {
1987 $age_str .= " right now";
1988 }
1989 return $age_str;
1990 }
1991
1992 use constant {
1993 S_IFINVALID => 0030000,
1994 S_IFGITLINK => 0160000,
1995 };
1996
1997 # submodule/subproject, a commit object reference
1998 sub S_ISGITLINK {
1999 my $mode = shift;
2000
2001 return (($mode & S_IFMT) == S_IFGITLINK)
2002 }
2003
2004 # convert file mode in octal to symbolic file mode string
2005 sub mode_str {
2006 my $mode = oct shift;
2007
2008 if (S_ISGITLINK($mode)) {
2009 return 'm---------';
2010 } elsif (S_ISDIR($mode & S_IFMT)) {
2011 return 'drwxr-xr-x';
2012 } elsif (S_ISLNK($mode)) {
2013 return 'lrwxrwxrwx';
2014 } elsif (S_ISREG($mode)) {
2015 # git cares only about the executable bit
2016 if ($mode & S_IXUSR) {
2017 return '-rwxr-xr-x';
2018 } else {
2019 return '-rw-r--r--';
2020 };
2021 } else {
2022 return '----------';
2023 }
2024 }
2025
2026 # convert file mode in octal to file type string
2027 sub file_type {
2028 my $mode = shift;
2029
2030 if ($mode !~ m/^[0-7]+$/) {
2031 return $mode;
2032 } else {
2033 $mode = oct $mode;
2034 }
2035
2036 if (S_ISGITLINK($mode)) {
2037 return "submodule";
2038 } elsif (S_ISDIR($mode & S_IFMT)) {
2039 return "directory";
2040 } elsif (S_ISLNK($mode)) {
2041 return "symlink";
2042 } elsif (S_ISREG($mode)) {
2043 return "file";
2044 } else {
2045 return "unknown";
2046 }
2047 }
2048
2049 # convert file mode in octal to file type description string
2050 sub file_type_long {
2051 my $mode = shift;
2052
2053 if ($mode !~ m/^[0-7]+$/) {
2054 return $mode;
2055 } else {
2056 $mode = oct $mode;
2057 }
2058
2059 if (S_ISGITLINK($mode)) {
2060 return "submodule";
2061 } elsif (S_ISDIR($mode & S_IFMT)) {
2062 return "directory";
2063 } elsif (S_ISLNK($mode)) {
2064 return "symlink";
2065 } elsif (S_ISREG($mode)) {
2066 if ($mode & S_IXUSR) {
2067 return "executable";
2068 } else {
2069 return "file";
2070 };
2071 } else {
2072 return "unknown";
2073 }
2074 }
2075
2076
2077 ## ----------------------------------------------------------------------
2078 ## functions returning short HTML fragments, or transforming HTML fragments
2079 ## which don't belong to other sections
2080
2081 # format line of commit message.
2082 sub format_log_line_html {
2083 my $line = shift;
2084
2085 # Potentially abbreviated OID.
2086 my $regex = oid_nlen_regex("7,64");
2087
2088 $line = esc_html($line, -nbsp=>1);
2089 $line =~ s{
2090 \b
2091 (
2092 # The output of "git describe", e.g. v2.10.0-297-gf6727b0
2093 # or hadoop-20160921-113441-20-g094fb7d
2094 (?<!-) # see strbuf_check_tag_ref(). Tags can't start with -
2095 [A-Za-z0-9.-]+
2096 (?!\.) # refs can't end with ".", see check_refname_format()
2097 -g$regex
2098 |
2099 # Just a normal looking Git SHA1
2100 $regex
2101 )
2102 \b
2103 }{
2104 $cgi->a({-href => href(action=>"object", hash=>$1),
2105 -class => "text"}, $1);
2106 }egx;
2107
2108 return $line;
2109 }
2110
2111 # format marker of refs pointing to given object
2112
2113 # the destination action is chosen based on object type and current context:
2114 # - for annotated tags, we choose the tag view unless it's the current view
2115 # already, in which case we go to shortlog view
2116 # - for other refs, we keep the current view if we're in history, shortlog or
2117 # log view, and select shortlog otherwise
2118 sub format_ref_marker {
2119 my ($refs, $id) = @_;
2120 my $markers = '';
2121
2122 if (defined $refs->{$id}) {
2123 foreach my $ref (@{$refs->{$id}}) {
2124 # this code exploits the fact that non-lightweight tags are the
2125 # only indirect objects, and that they are the only objects for which
2126 # we want to use tag instead of shortlog as action
2127 my ($type, $name) = qw();
2128 my $indirect = ($ref =~ s/\^\{\}$//);
2129 # e.g. tags/v2.6.11 or heads/next
2130 if ($ref =~ m!^(.*?)s?/(.*)$!) {
2131 $type = $1;
2132 $name = $2;
2133 } else {
2134 $type = "ref";
2135 $name = $ref;
2136 }
2137
2138 my $class = $type;
2139 $class .= " indirect" if $indirect;
2140
2141 my $dest_action = "shortlog";
2142
2143 if ($indirect) {
2144 $dest_action = "tag" unless $action eq "tag";
2145 } elsif ($action =~ /^(history|(short)?log)$/) {
2146 $dest_action = $action;
2147 }
2148
2149 my $dest = "";
2150 $dest .= "refs/" unless $ref =~ m!^refs/!;
2151 $dest .= $ref;
2152
2153 my $link = $cgi->a({
2154 -href => href(
2155 action=>$dest_action,
2156 hash=>$dest
2157 )}, esc_html($name));
2158
2159 $markers .= " <span class=\"".esc_attr($class)."\" title=\"".esc_attr($ref)."\">" .
2160 $link . "</span>";
2161 }
2162 }
2163
2164 if ($markers) {
2165 return ' <span class="refs">'. $markers . '</span>';
2166 } else {
2167 return "";
2168 }
2169 }
2170
2171 # format, perhaps shortened and with markers, title line
2172 sub format_subject_html {
2173 my ($long, $short, $href, $extra) = @_;
2174 $extra = '' unless defined($extra);
2175
2176 if (length($short) < length($long)) {
2177 $long =~ s/[[:cntrl:]]/?/g;
2178 return $cgi->a({-href => $href, -class => "list subject",
2179 -title => to_utf8($long)},
2180 esc_html($short)) . $extra;
2181 } else {
2182 return $cgi->a({-href => $href, -class => "list subject"},
2183 esc_html($long)) . $extra;
2184 }
2185 }
2186
2187 # Rather than recomputing the url for an email multiple times, we cache it
2188 # after the first hit. This gives a visible benefit in views where the avatar
2189 # for the same email is used repeatedly (e.g. shortlog).
2190 # The cache is shared by all avatar engines (currently gravatar only), which
2191 # are free to use it as preferred. Since only one avatar engine is used for any
2192 # given page, there's no risk for cache conflicts.
2193 our %avatar_cache = ();
2194
2195 # Compute the picon url for a given email, by using the picon search service over at
2196 # http://www.cs.indiana.edu/picons/search.html
2197 sub picon_url {
2198 my $email = lc shift;
2199 if (!$avatar_cache{$email}) {
2200 my ($user, $domain) = split('@', $email);
2201 $avatar_cache{$email} =
2202 "//www.cs.indiana.edu/cgi-pub/kinzler/piconsearch.cgi/" .
2203 "$domain/$user/" .
2204 "users+domains+unknown/up/single";
2205 }
2206 return $avatar_cache{$email};
2207 }
2208
2209 # Compute the gravatar url for a given email, if it's not in the cache already.
2210 # Gravatar stores only the part of the URL before the size, since that's the
2211 # one computationally more expensive. This also allows reuse of the cache for
2212 # different sizes (for this particular engine).
2213 sub gravatar_url {
2214 my $email = lc shift;
2215 my $size = shift;
2216 $avatar_cache{$email} ||=
2217 "//www.gravatar.com/avatar/" .
2218 md5_hex($email) . "?s=";
2219 return $avatar_cache{$email} . $size;
2220 }
2221
2222 # Insert an avatar for the given $email at the given $size if the feature
2223 # is enabled.
2224 sub git_get_avatar {
2225 my ($email, %opts) = @_;
2226 my $pre_white = ($opts{-pad_before} ? "&nbsp;" : "");
2227 my $post_white = ($opts{-pad_after} ? "&nbsp;" : "");
2228 $opts{-size} ||= 'default';
2229 my $size = $avatar_size{$opts{-size}} || $avatar_size{'default'};
2230 my $url = "";
2231 if ($git_avatar eq 'gravatar') {
2232 $url = gravatar_url($email, $size);
2233 } elsif ($git_avatar eq 'picon') {
2234 $url = picon_url($email);
2235 }
2236 # Other providers can be added by extending the if chain, defining $url
2237 # as needed. If no variant puts something in $url, we assume avatars
2238 # are completely disabled/unavailable.
2239 if ($url) {
2240 return $pre_white .
2241 "<img width=\"$size\" " .
2242 "class=\"avatar\" " .
2243 "src=\"".esc_url($url)."\" " .
2244 "alt=\"\" " .
2245 "/>" . $post_white;
2246 } else {
2247 return "";
2248 }
2249 }
2250
2251 sub format_search_author {
2252 my ($author, $searchtype, $displaytext) = @_;
2253 my $have_search = gitweb_check_feature('search');
2254
2255 if ($have_search) {
2256 my $performed = "";
2257 if ($searchtype eq 'author') {
2258 $performed = "authored";
2259 } elsif ($searchtype eq 'committer') {
2260 $performed = "committed";
2261 }
2262
2263 return $cgi->a({-href => href(action=>"search", hash=>$hash,
2264 searchtext=>$author,
2265 searchtype=>$searchtype), class=>"list",
2266 title=>"Search for commits $performed by $author"},
2267 $displaytext);
2268
2269 } else {
2270 return $displaytext;
2271 }
2272 }
2273
2274 # format the author name of the given commit with the given tag
2275 # the author name is chopped and escaped according to the other
2276 # optional parameters (see chop_str).
2277 sub format_author_html {
2278 my $tag = shift;
2279 my $co = shift;
2280 my $author = chop_and_escape_str($co->{'author_name'}, @_);
2281 return "<$tag class=\"author\">" .
2282 format_search_author($co->{'author_name'}, "author",
2283 git_get_avatar($co->{'author_email'}, -pad_after => 1) .
2284 $author) .
2285 "</$tag>";
2286 }
2287
2288 # format git diff header line, i.e. "diff --(git|combined|cc) ..."
2289 sub format_git_diff_header_line {
2290 my $line = shift;
2291 my $diffinfo = shift;
2292 my ($from, $to) = @_;
2293
2294 if ($diffinfo->{'nparents'}) {
2295 # combined diff
2296 $line =~ s!^(diff (.*?) )"?.*$!$1!;
2297 if ($to->{'href'}) {
2298 $line .= $cgi->a({-href => $to->{'href'}, -class => "path"},
2299 esc_path($to->{'file'}));
2300 } else { # file was deleted (no href)
2301 $line .= esc_path($to->{'file'});
2302 }
2303 } else {
2304 # "ordinary" diff
2305 $line =~ s!^(diff (.*?) )"?a/.*$!$1!;
2306 if ($from->{'href'}) {
2307 $line .= $cgi->a({-href => $from->{'href'}, -class => "path"},
2308 'a/' . esc_path($from->{'file'}));
2309 } else { # file was added (no href)
2310 $line .= 'a/' . esc_path($from->{'file'});
2311 }
2312 $line .= ' ';
2313 if ($to->{'href'}) {
2314 $line .= $cgi->a({-href => $to->{'href'}, -class => "path"},
2315 'b/' . esc_path($to->{'file'}));
2316 } else { # file was deleted
2317 $line .= 'b/' . esc_path($to->{'file'});
2318 }
2319 }
2320
2321 return "<div class=\"diff header\">$line</div>\n";
2322 }
2323
2324 # format extended diff header line, before patch itself
2325 sub format_extended_diff_header_line {
2326 my $line = shift;
2327 my $diffinfo = shift;
2328 my ($from, $to) = @_;
2329
2330 # match <path>
2331 if ($line =~ s!^((copy|rename) from ).*$!$1! && $from->{'href'}) {
2332 $line .= $cgi->a({-href=>$from->{'href'}, -class=>"path"},
2333 esc_path($from->{'file'}));
2334 }
2335 if ($line =~ s!^((copy|rename) to ).*$!$1! && $to->{'href'}) {
2336 $line .= $cgi->a({-href=>$to->{'href'}, -class=>"path"},
2337 esc_path($to->{'file'}));
2338 }
2339 # match single <mode>
2340 if ($line =~ m/\s(\d{6})$/) {
2341 $line .= '<span class="info"> (' .
2342 file_type_long($1) .
2343 ')</span>';
2344 }
2345 # match <hash>
2346 if ($line =~ oid_nlen_prefix_infix_regex($sha1_len, "index ", ",") |
2347 $line =~ oid_nlen_prefix_infix_regex($sha256_len, "index ", ",")) {
2348 # can match only for combined diff
2349 $line = 'index ';
2350 for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
2351 if ($from->{'href'}[$i]) {
2352 $line .= $cgi->a({-href=>$from->{'href'}[$i],
2353 -class=>"hash"},
2354 substr($diffinfo->{'from_id'}[$i],0,7));
2355 } else {
2356 $line .= '0' x 7;
2357 }
2358 # separator
2359 $line .= ',' if ($i < $diffinfo->{'nparents'} - 1);
2360 }
2361 $line .= '..';
2362 if ($to->{'href'}) {
2363 $line .= $cgi->a({-href=>$to->{'href'}, -class=>"hash"},
2364 substr($diffinfo->{'to_id'},0,7));
2365 } else {
2366 $line .= '0' x 7;
2367 }
2368
2369 } elsif ($line =~ oid_nlen_prefix_infix_regex($sha1_len, "index ", "..") |
2370 $line =~ oid_nlen_prefix_infix_regex($sha256_len, "index ", "..")) {
2371 # can match only for ordinary diff
2372 my ($from_link, $to_link);
2373 if ($from->{'href'}) {
2374 $from_link = $cgi->a({-href=>$from->{'href'}, -class=>"hash"},
2375 substr($diffinfo->{'from_id'},0,7));
2376 } else {
2377 $from_link = '0' x 7;
2378 }
2379 if ($to->{'href'}) {
2380 $to_link = $cgi->a({-href=>$to->{'href'}, -class=>"hash"},
2381 substr($diffinfo->{'to_id'},0,7));
2382 } else {
2383 $to_link = '0' x 7;
2384 }
2385 my ($from_id, $to_id) = ($diffinfo->{'from_id'}, $diffinfo->{'to_id'});
2386 $line =~ s!$from_id\.\.$to_id!$from_link..$to_link!;
2387 }
2388
2389 return $line . "<br/>\n";
2390 }
2391
2392 # format from-file/to-file diff header
2393 sub format_diff_from_to_header {
2394 my ($from_line, $to_line, $diffinfo, $from, $to, @parents) = @_;
2395 my $line;
2396 my $result = '';
2397
2398 $line = $from_line;
2399 #assert($line =~ m/^---/) if DEBUG;
2400 # no extra formatting for "^--- /dev/null"
2401 if (! $diffinfo->{'nparents'}) {
2402 # ordinary (single parent) diff
2403 if ($line =~ m!^--- "?a/!) {
2404 if ($from->{'href'}) {
2405 $line = '--- a/' .
2406 $cgi->a({-href=>$from->{'href'}, -class=>"path"},
2407 esc_path($from->{'file'}));
2408 } else {
2409 $line = '--- a/' .
2410 esc_path($from->{'file'});
2411 }
2412 }
2413 $result .= qq!<div class="diff from_file">$line</div>\n!;
2414
2415 } else {
2416 # combined diff (merge commit)
2417 for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
2418 if ($from->{'href'}[$i]) {
2419 $line = '--- ' .
2420 $cgi->a({-href=>href(action=>"blobdiff",
2421 hash_parent=>$diffinfo->{'from_id'}[$i],
2422 hash_parent_base=>$parents[$i],
2423 file_parent=>$from->{'file'}[$i],
2424 hash=>$diffinfo->{'to_id'},
2425 hash_base=>$hash,
2426 file_name=>$to->{'file'}),
2427 -class=>"path",
2428 -title=>"diff" . ($i+1)},
2429 $i+1) .
2430 '/' .
2431 $cgi->a({-href=>$from->{'href'}[$i], -class=>"path"},
2432 esc_path($from->{'file'}[$i]));
2433 } else {
2434 $line = '--- /dev/null';
2435 }
2436 $result .= qq!<div class="diff from_file">$line</div>\n!;
2437 }
2438 }
2439
2440 $line = $to_line;
2441 #assert($line =~ m/^\+\+\+/) if DEBUG;
2442 # no extra formatting for "^+++ /dev/null"
2443 if ($line =~ m!^\+\+\+ "?b/!) {
2444 if ($to->{'href'}) {
2445 $line = '+++ b/' .
2446 $cgi->a({-href=>$to->{'href'}, -class=>"path"},
2447 esc_path($to->{'file'}));
2448 } else {
2449 $line = '+++ b/' .
2450 esc_path($to->{'file'});
2451 }
2452 }
2453 $result .= qq!<div class="diff to_file">$line</div>\n!;
2454
2455 return $result;
2456 }
2457
2458 # create note for patch simplified by combined diff
2459 sub format_diff_cc_simplified {
2460 my ($diffinfo, @parents) = @_;
2461 my $result = '';
2462
2463 $result .= "<div class=\"diff header\">" .
2464 "diff --cc ";
2465 if (!is_deleted($diffinfo)) {
2466 $result .= $cgi->a({-href => href(action=>"blob",
2467 hash_base=>$hash,
2468 hash=>$diffinfo->{'to_id'},
2469 file_name=>$diffinfo->{'to_file'}),
2470 -class => "path"},
2471 esc_path($diffinfo->{'to_file'}));
2472 } else {
2473 $result .= esc_path($diffinfo->{'to_file'});
2474 }
2475 $result .= "</div>\n" . # class="diff header"
2476 "<div class=\"diff nodifferences\">" .
2477 "Simple merge" .
2478 "</div>\n"; # class="diff nodifferences"
2479
2480 return $result;
2481 }
2482
2483 sub diff_line_class {
2484 my ($line, $from, $to) = @_;
2485
2486 # ordinary diff
2487 my $num_sign = 1;
2488 # combined diff
2489 if ($from && $to && ref($from->{'href'}) eq "ARRAY") {
2490 $num_sign = scalar @{$from->{'href'}};
2491 }
2492
2493 my @diff_line_classifier = (
2494 { regexp => qr/^\@\@{$num_sign} /, class => "chunk_header"},
2495 { regexp => qr/^\\/, class => "incomplete" },
2496 { regexp => qr/^ {$num_sign}/, class => "ctx" },
2497 # classifier for context must come before classifier add/rem,
2498 # or we would have to use more complicated regexp, for example
2499 # qr/(?= {0,$m}\+)[+ ]{$num_sign}/, where $m = $num_sign - 1;
2500 { regexp => qr/^[+ ]{$num_sign}/, class => "add" },
2501 { regexp => qr/^[- ]{$num_sign}/, class => "rem" },
2502 );
2503 for my $clsfy (@diff_line_classifier) {
2504 return $clsfy->{'class'}
2505 if ($line =~ $clsfy->{'regexp'});
2506 }
2507
2508 # fallback
2509 return "";
2510 }
2511
2512 # assumes that $from and $to are defined and correctly filled,
2513 # and that $line holds a line of chunk header for unified diff
2514 sub format_unidiff_chunk_header {
2515 my ($line, $from, $to) = @_;
2516
2517 my ($from_text, $from_start, $from_lines, $to_text, $to_start, $to_lines, $section) =
2518 $line =~ m/^\@{2} (-(\d+)(?:,(\d+))?) (\+(\d+)(?:,(\d+))?) \@{2}(.*)$/;
2519
2520 $from_lines = 0 unless defined $from_lines;
2521 $to_lines = 0 unless defined $to_lines;
2522
2523 if ($from->{'href'}) {
2524 $from_text = $cgi->a({-href=>"$from->{'href'}#l$from_start",
2525 -class=>"list"}, $from_text);
2526 }
2527 if ($to->{'href'}) {
2528 $to_text = $cgi->a({-href=>"$to->{'href'}#l$to_start",
2529 -class=>"list"}, $to_text);
2530 }
2531 $line = "<span class=\"chunk_info\">@@ $from_text $to_text @@</span>" .
2532 "<span class=\"section\">" . esc_html($section, -nbsp=>1) . "</span>";
2533 return $line;
2534 }
2535
2536 # assumes that $from and $to are defined and correctly filled,
2537 # and that $line holds a line of chunk header for combined diff
2538 sub format_cc_diff_chunk_header {
2539 my ($line, $from, $to) = @_;
2540
2541 my ($prefix, $ranges, $section) = $line =~ m/^(\@+) (.*?) \@+(.*)$/;
2542 my (@from_text, @from_start, @from_nlines, $to_text, $to_start, $to_nlines);
2543
2544 @from_text = split(' ', $ranges);
2545 for (my $i = 0; $i < @from_text; ++$i) {
2546 ($from_start[$i], $from_nlines[$i]) =
2547 (split(',', substr($from_text[$i], 1)), 0);
2548 }
2549
2550 $to_text = pop @from_text;
2551 $to_start = pop @from_start;
2552 $to_nlines = pop @from_nlines;
2553
2554 $line = "<span class=\"chunk_info\">$prefix ";
2555 for (my $i = 0; $i < @from_text; ++$i) {
2556 if ($from->{'href'}[$i]) {
2557 $line .= $cgi->a({-href=>"$from->{'href'}[$i]#l$from_start[$i]",
2558 -class=>"list"}, $from_text[$i]);
2559 } else {
2560 $line .= $from_text[$i];
2561 }
2562 $line .= " ";
2563 }
2564 if ($to->{'href'}) {
2565 $line .= $cgi->a({-href=>"$to->{'href'}#l$to_start",
2566 -class=>"list"}, $to_text);
2567 } else {
2568 $line .= $to_text;
2569 }
2570 $line .= " $prefix</span>" .
2571 "<span class=\"section\">" . esc_html($section, -nbsp=>1) . "</span>";
2572 return $line;
2573 }
2574
2575 # process patch (diff) line (not to be used for diff headers),
2576 # returning HTML-formatted (but not wrapped) line.
2577 # If the line is passed as a reference, it is treated as HTML and not
2578 # esc_html()'ed.
2579 sub format_diff_line {
2580 my ($line, $diff_class, $from, $to) = @_;
2581
2582 if (ref($line)) {
2583 $line = $$line;
2584 } else {
2585 chomp $line;
2586 $line = untabify($line);
2587
2588 if ($from && $to && $line =~ m/^\@{2} /) {
2589 $line = format_unidiff_chunk_header($line, $from, $to);
2590 } elsif ($from && $to && $line =~ m/^\@{3}/) {
2591 $line = format_cc_diff_chunk_header($line, $from, $to);
2592 } else {
2593 $line = esc_html($line, -nbsp=>1);
2594 }
2595 }
2596
2597 my $diff_classes = "diff";
2598 $diff_classes .= " $diff_class" if ($diff_class);
2599 $line = "<div class=\"$diff_classes\">$line</div>\n";
2600
2601 return $line;
2602 }
2603
2604 # Generates undef or something like "_snapshot_" or "snapshot (_tbz2_ _zip_)",
2605 # linked. Pass the hash of the tree/commit to snapshot.
2606 sub format_snapshot_links {
2607 my ($hash) = @_;
2608 my $num_fmts = @snapshot_fmts;
2609 if ($num_fmts > 1) {
2610 # A parenthesized list of links bearing format names.
2611 # e.g. "snapshot (_tar.gz_ _zip_)"
2612 return "snapshot (" . join(' ', map
2613 $cgi->a({
2614 -href => href(
2615 action=>"snapshot",
2616 hash=>$hash,
2617 snapshot_format=>$_
2618 )
2619 }, $known_snapshot_formats{$_}{'display'})
2620 , @snapshot_fmts) . ")";
2621 } elsif ($num_fmts == 1) {
2622 # A single "snapshot" link whose tooltip bears the format name.
2623 # i.e. "_snapshot_"
2624 my ($fmt) = @snapshot_fmts;
2625 return
2626 $cgi->a({
2627 -href => href(
2628 action=>"snapshot",
2629 hash=>$hash,
2630 snapshot_format=>$fmt
2631 ),
2632 -title => "in format: $known_snapshot_formats{$fmt}{'display'}"
2633 }, "snapshot");
2634 } else { # $num_fmts == 0
2635 return undef;
2636 }
2637 }
2638
2639 ## ......................................................................
2640 ## functions returning values to be passed, perhaps after some
2641 ## transformation, to other functions; e.g. returning arguments to href()
2642
2643 # returns hash to be passed to href to generate gitweb URL
2644 # in -title key it returns description of link
2645 sub get_feed_info {
2646 my $format = shift || 'Atom';
2647 my %res = (action => lc($format));
2648 my $matched_ref = 0;
2649
2650 # feed links are possible only for project views
2651 return unless (defined $project);
2652 # some views should link to OPML, or to generic project feed,
2653 # or don't have specific feed yet (so they should use generic)
2654 return if (!$action || $action =~ /^(?:tags|heads|forks|tag|search)$/x);
2655
2656 my $branch = undef;
2657 # branches refs uses 'refs/' + $get_branch_refs()[x] + '/' prefix
2658 # (fullname) to differentiate from tag links; this also makes
2659 # possible to detect branch links
2660 for my $ref (get_branch_refs()) {
2661 if ((defined $hash_base && $hash_base =~ m!^refs/\Q$ref\E/(.*)$!) ||
2662 (defined $hash && $hash =~ m!^refs/\Q$ref\E/(.*)$!)) {
2663 $branch = $1;
2664 $matched_ref = $ref;
2665 last;
2666 }
2667 }
2668 # find log type for feed description (title)
2669 my $type = 'log';
2670 if (defined $file_name) {
2671 $type = "history of $file_name";
2672 $type .= "/" if ($action eq 'tree');
2673 $type .= " on '$branch'" if (defined $branch);
2674 } else {
2675 $type = "log of $branch" if (defined $branch);
2676 }
2677
2678 $res{-title} = $type;
2679 $res{'hash'} = (defined $branch ? "refs/$matched_ref/$branch" : undef);
2680 $res{'file_name'} = $file_name;
2681
2682 return %res;
2683 }
2684
2685 ## ----------------------------------------------------------------------
2686 ## git utility subroutines, invoking git commands
2687
2688 # returns path to the core git executable and the --git-dir parameter as list
2689 sub git_cmd {
2690 $number_of_git_cmds++;
2691 return $GIT, '--git-dir='.$git_dir;
2692 }
2693
2694 # quote the given arguments for passing them to the shell
2695 # quote_command("command", "arg 1", "arg with ' and ! characters")
2696 # => "'command' 'arg 1' 'arg with '\'' and '\!' characters'"
2697 # Try to avoid using this function wherever possible.
2698 sub quote_command {
2699 return join(' ',
2700 map { my $a = $_; $a =~ s/(['!])/'\\$1'/g; "'$a'" } @_ );
2701 }
2702
2703 # get HEAD ref of given project as hash
2704 sub git_get_head_hash {
2705 return git_get_full_hash(shift, 'HEAD');
2706 }
2707
2708 sub git_get_full_hash {
2709 return git_get_hash(@_);
2710 }
2711
2712 sub git_get_short_hash {
2713 return git_get_hash(@_, '--short=7');
2714 }
2715
2716 sub git_get_hash {
2717 my ($project, $hash, @options) = @_;
2718 my $o_git_dir = $git_dir;
2719 my $retval = undef;
2720 $git_dir = "$projectroot/$project";
2721 if (open my $fd, '-|', git_cmd(), 'rev-parse',
2722 '--verify', '-q', @options, $hash) {
2723 $retval = <$fd>;
2724 chomp $retval if defined $retval;
2725 close $fd;
2726 }
2727 if (defined $o_git_dir) {
2728 $git_dir = $o_git_dir;
2729 }
2730 return $retval;
2731 }
2732
2733 # get type of given object
2734 sub git_get_type {
2735 my $hash = shift;
2736
2737 open my $fd, "-|", git_cmd(), "cat-file", '-t', $hash or return;
2738 my $type = <$fd>;
2739 close $fd or return;
2740 chomp $type;
2741 return $type;
2742 }
2743
2744 # repository configuration
2745 our $config_file = '';
2746 our %config;
2747
2748 # store multiple values for single key as anonymous array reference
2749 # single values stored directly in the hash, not as [ <value> ]
2750 sub hash_set_multi {
2751 my ($hash, $key, $value) = @_;
2752
2753 if (!exists $hash->{$key}) {
2754 $hash->{$key} = $value;
2755 } elsif (!ref $hash->{$key}) {
2756 $hash->{$key} = [ $hash->{$key}, $value ];
2757 } else {
2758 push @{$hash->{$key}}, $value;
2759 }
2760 }
2761
2762 # return hash of git project configuration
2763 # optionally limited to some section, e.g. 'gitweb'
2764 sub git_parse_project_config {
2765 my $section_regexp = shift;
2766 my %config;
2767
2768 local $/ = "\0";
2769
2770 open my $fh, "-|", git_cmd(), "config", '-z', '-l',
2771 or return;
2772
2773 while (my $keyval = <$fh>) {
2774 chomp $keyval;
2775 my ($key, $value) = split(/\n/, $keyval, 2);
2776
2777 hash_set_multi(\%config, $key, $value)
2778 if (!defined $section_regexp || $key =~ /^(?:$section_regexp)\./o);
2779 }
2780 close $fh;
2781
2782 return %config;
2783 }
2784
2785 # convert config value to boolean: 'true' or 'false'
2786 # no value, number > 0, 'true' and 'yes' values are true
2787 # rest of values are treated as false (never as error)
2788 sub config_to_bool {
2789 my $val = shift;
2790
2791 return 1 if !defined $val; # section.key
2792
2793 # strip leading and trailing whitespace
2794 $val =~ s/^\s+//;
2795 $val =~ s/\s+$//;
2796
2797 return (($val =~ /^\d+$/ && $val) || # section.key = 1
2798 ($val =~ /^(?:true|yes)$/i)); # section.key = true
2799 }
2800
2801 # convert config value to simple decimal number
2802 # an optional value suffix of 'k', 'm', or 'g' will cause the value
2803 # to be multiplied by 1024, 1048576, or 1073741824
2804 sub config_to_int {
2805 my $val = shift;
2806
2807 # strip leading and trailing whitespace
2808 $val =~ s/^\s+//;
2809 $val =~ s/\s+$//;
2810
2811 if (my ($num, $unit) = ($val =~ /^([0-9]*)([kmg])$/i)) {
2812 $unit = lc($unit);
2813 # unknown unit is treated as 1
2814 return $num * ($unit eq 'g' ? 1073741824 :
2815 $unit eq 'm' ? 1048576 :
2816 $unit eq 'k' ? 1024 : 1);
2817 }
2818 return $val;
2819 }
2820
2821 # convert config value to array reference, if needed
2822 sub config_to_multi {
2823 my $val = shift;
2824
2825 return ref($val) ? $val : (defined($val) ? [ $val ] : []);
2826 }
2827
2828 sub git_get_project_config {
2829 my ($key, $type) = @_;
2830
2831 return unless defined $git_dir;
2832
2833 # key sanity check
2834 return unless ($key);
2835 # only subsection, if exists, is case sensitive,
2836 # and not lowercased by 'git config -z -l'
2837 if (my ($hi, $mi, $lo) = ($key =~ /^([^.]*)\.(.*)\.([^.]*)$/)) {
2838 $lo =~ s/_//g;
2839 $key = join(".", lc($hi), $mi, lc($lo));
2840 return if ($lo =~ /\W/ || $hi =~ /\W/);
2841 } else {
2842 $key = lc($key);
2843 $key =~ s/_//g;
2844 return if ($key =~ /\W/);
2845 }
2846 $key =~ s/^gitweb\.//;
2847
2848 # type sanity check
2849 if (defined $type) {
2850 $type =~ s/^--//;
2851 $type = undef
2852 unless ($type eq 'bool' || $type eq 'int');
2853 }
2854
2855 # get config
2856 if (!defined $config_file ||
2857 $config_file ne "$git_dir/config") {
2858 %config = git_parse_project_config('gitweb');
2859 $config_file = "$git_dir/config";
2860 }
2861
2862 # check if config variable (key) exists
2863 return unless exists $config{"gitweb.$key"};
2864
2865 # ensure given type
2866 if (!defined $type) {
2867 return $config{"gitweb.$key"};
2868 } elsif ($type eq 'bool') {
2869 # backward compatibility: 'git config --bool' returns true/false
2870 return config_to_bool($config{"gitweb.$key"}) ? 'true' : 'false';
2871 } elsif ($type eq 'int') {
2872 return config_to_int($config{"gitweb.$key"});
2873 }
2874 return $config{"gitweb.$key"};
2875 }
2876
2877 # get hash of given path at given ref
2878 sub git_get_hash_by_path {
2879 my $base = shift;
2880 my $path = shift || return undef;
2881 my $type = shift;
2882
2883 $path =~ s,/+$,,;
2884
2885 open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path
2886 or die_error(500, "Open git-ls-tree failed");
2887 my $line = <$fd>;
2888 close $fd or return undef;
2889
2890 if (!defined $line) {
2891 # there is no tree or hash given by $path at $base
2892 return undef;
2893 }
2894
2895 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
2896 $line =~ m/^([0-9]+) (.+) ($oid_regex)\t/;
2897 if (defined $type && $type ne $2) {
2898 # type doesn't match
2899 return undef;
2900 }
2901 return $3;
2902 }
2903
2904 # get path of entry with given hash at given tree-ish (ref)
2905 # used to get 'from' filename for combined diff (merge commit) for renames
2906 sub git_get_path_by_hash {
2907 my $base = shift || return;
2908 my $hash = shift || return;
2909
2910 local $/ = "\0";
2911
2912 open my $fd, "-|", git_cmd(), "ls-tree", '-r', '-t', '-z', $base
2913 or return undef;
2914 while (my $line = <$fd>) {
2915 chomp $line;
2916
2917 #'040000 tree 595596a6a9117ddba9fe379b6b012b558bac8423 gitweb'
2918 #'100644 blob e02e90f0429be0d2a69b76571101f20b8f75530f gitweb/README'
2919 if ($line =~ m/(?:[0-9]+) (?:.+) $hash\t(.+)$/) {
2920 close $fd;
2921 return $1;
2922 }
2923 }
2924 close $fd;
2925 return undef;
2926 }
2927
2928 ## ......................................................................
2929 ## git utility functions, directly accessing git repository
2930
2931 # get the value of config variable either from file named as the variable
2932 # itself in the repository ($GIT_DIR/$name file), or from gitweb.$name
2933 # configuration variable in the repository config file.
2934 sub git_get_file_or_project_config {
2935 my ($path, $name) = @_;
2936
2937 $git_dir = "$projectroot/$path";
2938 open my $fd, '<', "$git_dir/$name"
2939 or return git_get_project_config($name);
2940 my $conf = <$fd>;
2941 close $fd;
2942 if (defined $conf) {
2943 chomp $conf;
2944 }
2945 return $conf;
2946 }
2947
2948 sub git_get_project_description {
2949 my $path = shift;
2950 return git_get_file_or_project_config($path, 'description');
2951 }
2952
2953 sub git_get_project_category {
2954 my $path = shift;
2955 return git_get_file_or_project_config($path, 'category');
2956 }
2957
2958
2959 # supported formats:
2960 # * $GIT_DIR/ctags/<tagname> file (in 'ctags' subdirectory)
2961 # - if its contents is a number, use it as tag weight,
2962 # - otherwise add a tag with weight 1
2963 # * $GIT_DIR/ctags file, each line is a tag (with weight 1)
2964 # the same value multiple times increases tag weight
2965 # * `gitweb.ctag' multi-valued repo config variable
2966 sub git_get_project_ctags {
2967 my $project = shift;
2968 my $ctags = {};
2969
2970 $git_dir = "$projectroot/$project";
2971 if (opendir my $dh, "$git_dir/ctags") {
2972 my @files = grep { -f $_ } map { "$git_dir/ctags/$_" } readdir($dh);
2973 foreach my $tagfile (@files) {
2974 open my $ct, '<', $tagfile
2975 or next;
2976 my $val = <$ct>;
2977 chomp $val if $val;
2978 close $ct;
2979
2980 (my $ctag = $tagfile) =~ s#.*/##;
2981 if ($val =~ /^\d+$/) {
2982 $ctags->{$ctag} = $val;
2983 } else {
2984 $ctags->{$ctag} = 1;
2985 }
2986 }
2987 closedir $dh;
2988
2989 } elsif (open my $fh, '<', "$git_dir/ctags") {
2990 while (my $line = <$fh>) {
2991 chomp $line;
2992 $ctags->{$line}++ if $line;
2993 }
2994 close $fh;
2995
2996 } else {
2997 my $taglist = config_to_multi(git_get_project_config('ctag'));
2998 foreach my $tag (@$taglist) {
2999 $ctags->{$tag}++;
3000 }
3001 }
3002
3003 return $ctags;
3004 }
3005
3006 # return hash, where keys are content tags ('ctags'),
3007 # and values are sum of weights of given tag in every project
3008 sub git_gather_all_ctags {
3009 my $projects = shift;
3010 my $ctags = {};
3011
3012 foreach my $p (@$projects) {
3013 foreach my $ct (keys %{$p->{'ctags'}}) {
3014 $ctags->{$ct} += $p->{'ctags'}->{$ct};
3015 }
3016 }
3017
3018 return $ctags;
3019 }
3020
3021 sub git_populate_project_tagcloud {
3022 my $ctags = shift;
3023
3024 # First, merge different-cased tags; tags vote on casing
3025 my %ctags_lc;
3026 foreach (keys %$ctags) {
3027 $ctags_lc{lc $_}->{count} += $ctags->{$_};
3028 if (not $ctags_lc{lc $_}->{topcount}
3029 or $ctags_lc{lc $_}->{topcount} < $ctags->{$_}) {
3030 $ctags_lc{lc $_}->{topcount} = $ctags->{$_};
3031 $ctags_lc{lc $_}->{topname} = $_;
3032 }
3033 }
3034
3035 my $cloud;
3036 my $matched = $input_params{'ctag'};
3037 if (eval { require HTML::TagCloud; 1; }) {
3038 $cloud = HTML::TagCloud->new;
3039 foreach my $ctag (sort keys %ctags_lc) {
3040 # Pad the title with spaces so that the cloud looks
3041 # less crammed.
3042 my $title = esc_html($ctags_lc{$ctag}->{topname});
3043 $title =~ s/ /&nbsp;/g;
3044 $title =~ s/^/&nbsp;/g;
3045 $title =~ s/$/&nbsp;/g;
3046 if (defined $matched && $matched eq $ctag) {
3047 $title = qq(<span class="match">$title</span>);
3048 }
3049 $cloud->add($title, href(project=>undef, ctag=>$ctag),
3050 $ctags_lc{$ctag}->{count});
3051 }
3052 } else {
3053 $cloud = {};
3054 foreach my $ctag (keys %ctags_lc) {
3055 my $title = esc_html($ctags_lc{$ctag}->{topname}, -nbsp=>1);
3056 if (defined $matched && $matched eq $ctag) {
3057 $title = qq(<span class="match">$title</span>);
3058 }
3059 $cloud->{$ctag}{count} = $ctags_lc{$ctag}->{count};
3060 $cloud->{$ctag}{ctag} =
3061 $cgi->a({-href=>href(project=>undef, ctag=>$ctag)}, $title);
3062 }
3063 }
3064 return $cloud;
3065 }
3066
3067 sub git_show_project_tagcloud {
3068 my ($cloud, $count) = @_;
3069 if (ref $cloud eq 'HTML::TagCloud') {
3070 return $cloud->html_and_css($count);
3071 } else {
3072 my @tags = sort { $cloud->{$a}->{'count'} <=> $cloud->{$b}->{'count'} } keys %$cloud;
3073 return
3074 '<div id="htmltagcloud"'.($project ? '' : ' align="center"').'>' .
3075 join (', ', map {
3076 $cloud->{$_}->{'ctag'}
3077 } splice(@tags, 0, $count)) .
3078 '</div>';
3079 }
3080 }
3081
3082 sub git_get_project_url_list {
3083 my $path = shift;
3084
3085 $git_dir = "$projectroot/$path";
3086 open my $fd, '<', "$git_dir/cloneurl"
3087 or return wantarray ?
3088 @{ config_to_multi(git_get_project_config('url')) } :
3089 config_to_multi(git_get_project_config('url'));
3090 my @git_project_url_list = map { chomp; $_ } <$fd>;
3091 close $fd;
3092
3093 return wantarray ? @git_project_url_list : \@git_project_url_list;
3094 }
3095
3096 sub git_get_projects_list {
3097 my $filter = shift || '';
3098 my $paranoid = shift;
3099 my @list;
3100
3101 if (-d $projects_list) {
3102 # search in directory
3103 my $dir = $projects_list;
3104 # remove the trailing "/"
3105 $dir =~ s!/+$!!;
3106 my $pfxlen = length("$dir");
3107 my $pfxdepth = ($dir =~ tr!/!!);
3108 # when filtering, search only given subdirectory
3109 if ($filter && !$paranoid) {
3110 $dir .= "/$filter";
3111 $dir =~ s!/+$!!;
3112 }
3113
3114 File::Find::find({
3115 follow_fast => 1, # follow symbolic links
3116 follow_skip => 2, # ignore duplicates
3117 dangling_symlinks => 0, # ignore dangling symlinks, silently
3118 wanted => sub {
3119 # global variables
3120 our $project_maxdepth;
3121 our $projectroot;
3122 # skip project-list toplevel, if we get it.
3123 return if (m!^[/.]$!);
3124 # only directories can be git repositories
3125 return unless (-d $_);
3126 # need search permission
3127 return unless (-x $_);
3128 # don't traverse too deep (Find is super slow on os x)
3129 # $project_maxdepth excludes depth of $projectroot
3130 if (($File::Find::name =~ tr!/!!) - $pfxdepth > $project_maxdepth) {
3131 $File::Find::prune = 1;
3132 return;
3133 }
3134
3135 my $path = substr($File::Find::name, $pfxlen + 1);
3136 # paranoidly only filter here
3137 if ($paranoid && $filter && $path !~ m!^\Q$filter\E/!) {
3138 next;
3139 }
3140 # we check related file in $projectroot
3141 if (check_export_ok("$projectroot/$path")) {
3142 push @list, { path => $path };
3143 $File::Find::prune = 1;
3144 }
3145 },
3146 }, "$dir");
3147
3148 } elsif (-f $projects_list) {
3149 # read from file(url-encoded):
3150 # 'git%2Fgit.git Linus+Torvalds'
3151 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
3152 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
3153 open my $fd, '<', $projects_list or return;
3154 PROJECT:
3155 while (my $line = <$fd>) {
3156 chomp $line;
3157 my ($path, $owner) = split ' ', $line;
3158 $path = unescape($path);
3159 $owner = unescape($owner);
3160 if (!defined $path) {
3161 next;
3162 }
3163 # if $filter is rpovided, check if $path begins with $filter
3164 if ($filter && $path !~ m!^\Q$filter\E/!) {
3165 next;
3166 }
3167 if (check_export_ok("$projectroot/$path")) {
3168 my $pr = {
3169 path => $path
3170 };
3171 if ($owner) {
3172 $pr->{'owner'} = to_utf8($owner);
3173 }
3174 push @list, $pr;
3175 }
3176 }
3177 close $fd;
3178 }
3179 return @list;
3180 }
3181
3182 # written with help of Tree::Trie module (Perl Artistic License, GPL compatible)
3183 # as side effects it sets 'forks' field to list of forks for forked projects
3184 sub filter_forks_from_projects_list {
3185 my $projects = shift;
3186
3187 my %trie; # prefix tree of directories (path components)
3188 # generate trie out of those directories that might contain forks
3189 foreach my $pr (@$projects) {
3190 my $path = $pr->{'path'};
3191 $path =~ s/\.git$//; # forks of 'repo.git' are in 'repo/' directory
3192 next if ($path =~ m!/$!); # skip non-bare repositories, e.g. 'repo/.git'
3193 next unless ($path); # skip '.git' repository: tests, git-instaweb
3194 next unless (-d "$projectroot/$path"); # containing directory exists
3195 $pr->{'forks'} = []; # there can be 0 or more forks of project
3196
3197 # add to trie
3198 my @dirs = split('/', $path);
3199 # walk the trie, until either runs out of components or out of trie
3200 my $ref = \%trie;
3201 while (scalar @dirs &&
3202 exists($ref->{$dirs[0]})) {
3203 $ref = $ref->{shift @dirs};
3204 }
3205 # create rest of trie structure from rest of components
3206 foreach my $dir (@dirs) {
3207 $ref = $ref->{$dir} = {};
3208 }
3209 # create end marker, store $pr as a data
3210 $ref->{''} = $pr if (!exists $ref->{''});
3211 }
3212
3213 # filter out forks, by finding shortest prefix match for paths
3214 my @filtered;
3215 PROJECT:
3216 foreach my $pr (@$projects) {
3217 # trie lookup
3218 my $ref = \%trie;
3219 DIR:
3220 foreach my $dir (split('/', $pr->{'path'})) {
3221 if (exists $ref->{''}) {
3222 # found [shortest] prefix, is a fork - skip it
3223 push @{$ref->{''}{'forks'}}, $pr;
3224 next PROJECT;
3225 }
3226 if (!exists $ref->{$dir}) {
3227 # not in trie, cannot have prefix, not a fork
3228 push @filtered, $pr;
3229 next PROJECT;
3230 }
3231 # If the dir is there, we just walk one step down the trie.
3232 $ref = $ref->{$dir};
3233 }
3234 # we ran out of trie
3235 # (shouldn't happen: it's either no match, or end marker)
3236 push @filtered, $pr;
3237 }
3238
3239 return @filtered;
3240 }
3241
3242 # note: fill_project_list_info must be run first,
3243 # for 'descr_long' and 'ctags' to be filled
3244 sub search_projects_list {
3245 my ($projlist, %opts) = @_;
3246 my $tagfilter = $opts{'tagfilter'};
3247 my $search_re = $opts{'search_regexp'};
3248
3249 return @$projlist
3250 unless ($tagfilter || $search_re);
3251
3252 # searching projects require filling to be run before it;
3253 fill_project_list_info($projlist,
3254 $tagfilter ? 'ctags' : (),
3255 $search_re ? ('path', 'descr') : ());
3256 my @projects;
3257 PROJECT:
3258 foreach my $pr (@$projlist) {
3259
3260 if ($tagfilter) {
3261 next unless ref($pr->{'ctags'}) eq 'HASH';
3262 next unless
3263 grep { lc($_) eq lc($tagfilter) } keys %{$pr->{'ctags'}};
3264 }
3265
3266 if ($search_re) {
3267 next unless
3268 $pr->{'path'} =~ /$search_re/ ||
3269 $pr->{'descr_long'} =~ /$search_re/;
3270 }
3271
3272 push @projects, $pr;
3273 }
3274
3275 return @projects;
3276 }
3277
3278 our $gitweb_project_owner = undef;
3279 sub git_get_project_list_from_file {
3280
3281 return if (defined $gitweb_project_owner);
3282
3283 $gitweb_project_owner = {};
3284 # read from file (url-encoded):
3285 # 'git%2Fgit.git Linus+Torvalds'
3286 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
3287 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
3288 if (-f $projects_list) {
3289 open(my $fd, '<', $projects_list);
3290 while (my $line = <$fd>) {
3291 chomp $line;
3292 my ($pr, $ow) = split ' ', $line;
3293 $pr = unescape($pr);
3294 $ow = unescape($ow);
3295 $gitweb_project_owner->{$pr} = to_utf8($ow);
3296 }
3297 close $fd;
3298 }
3299 }
3300
3301 sub git_get_project_owner {
3302 my $project = shift;
3303 my $owner;
3304
3305 return undef unless $project;
3306 $git_dir = "$projectroot/$project";
3307
3308 if (!defined $gitweb_project_owner) {
3309 git_get_project_list_from_file();
3310 }
3311
3312 if (exists $gitweb_project_owner->{$project}) {
3313 $owner = $gitweb_project_owner->{$project};
3314 }
3315 if (!defined $owner){
3316 $owner = git_get_project_config('owner');
3317 }
3318 if (!defined $owner) {
3319 $owner = get_file_owner("$git_dir");
3320 }
3321
3322 return $owner;
3323 }
3324
3325 sub git_get_last_activity {
3326 my ($path) = @_;
3327 my $fd;
3328
3329 $git_dir = "$projectroot/$path";
3330 open($fd, "-|", git_cmd(), 'for-each-ref',
3331 '--format=%(committer)',
3332 '--sort=-committerdate',
3333 '--count=1',
3334 map { "refs/$_" } get_branch_refs ()) or return;
3335 my $most_recent = <$fd>;
3336 close $fd or return;
3337 if (defined $most_recent &&
3338 $most_recent =~ / (\d+) [-+][01]\d\d\d$/) {
3339 my $timestamp = $1;
3340 my $age = time - $timestamp;
3341 return ($age, age_string($age));
3342 }
3343 return (undef, undef);
3344 }
3345
3346 # Implementation note: when a single remote is wanted, we cannot use 'git
3347 # remote show -n' because that command always work (assuming it's a remote URL
3348 # if it's not defined), and we cannot use 'git remote show' because that would
3349 # try to make a network roundtrip. So the only way to find if that particular
3350 # remote is defined is to walk the list provided by 'git remote -v' and stop if
3351 # and when we find what we want.
3352 sub git_get_remotes_list {
3353 my $wanted = shift;
3354 my %remotes = ();
3355
3356 open my $fd, '-|' , git_cmd(), 'remote', '-v';
3357 return unless $fd;
3358 while (my $remote = <$fd>) {
3359 chomp $remote;
3360 $remote =~ s!\t(.*?)\s+\((\w+)\)$!!;
3361 next if $wanted and not $remote eq $wanted;
3362 my ($url, $key) = ($1, $2);
3363
3364 $remotes{$remote} ||= { 'heads' => () };
3365 $remotes{$remote}{$key} = $url;
3366 }
3367 close $fd or return;
3368 return wantarray ? %remotes : \%remotes;
3369 }
3370
3371 # Takes a hash of remotes as first parameter and fills it by adding the
3372 # available remote heads for each of the indicated remotes.
3373 sub fill_remote_heads {
3374 my $remotes = shift;
3375 my @heads = map { "remotes/$_" } keys %$remotes;
3376 my @remoteheads = git_get_heads_list(undef, @heads);
3377 foreach my $remote (keys %$remotes) {
3378 $remotes->{$remote}{'heads'} = [ grep {
3379 $_->{'name'} =~ s!^$remote/!!
3380 } @remoteheads ];
3381 }
3382 }
3383
3384 sub git_get_references {
3385 my $type = shift || "";
3386 my %refs;
3387 # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c refs/tags/v2.6.11
3388 # c39ae07f393806ccf406ef966e9a15afc43cc36a refs/tags/v2.6.11^{}
3389 open my $fd, "-|", git_cmd(), "show-ref", "--dereference",
3390 ($type ? ("--", "refs/$type") : ()) # use -- <pattern> if $type
3391 or return;
3392
3393 while (my $line = <$fd>) {
3394 chomp $line;
3395 if ($line =~ m!^($oid_regex)\srefs/($type.*)$!) {
3396 if (defined $refs{$1}) {
3397 push @{$refs{$1}}, $2;
3398 } else {
3399 $refs{$1} = [ $2 ];
3400 }
3401 }
3402 }
3403 close $fd or return;
3404 return \%refs;
3405 }
3406
3407 sub git_get_rev_name_tags {
3408 my $hash = shift || return undef;
3409
3410 open my $fd, "-|", git_cmd(), "name-rev", "--tags", $hash
3411 or return;
3412 my $name_rev = <$fd>;
3413 close $fd;
3414
3415 if ($name_rev =~ m|^$hash tags/(.*)$|) {
3416 return $1;
3417 } else {
3418 # catches also '$hash undefined' output
3419 return undef;
3420 }
3421 }
3422
3423 ## ----------------------------------------------------------------------
3424 ## parse to hash functions
3425
3426 sub parse_date {
3427 my $epoch = shift;
3428 my $tz = shift || "-0000";
3429
3430 my %date;
3431 my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
3432 my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
3433 my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
3434 $date{'hour'} = $hour;
3435 $date{'minute'} = $min;
3436 $date{'mday'} = $mday;
3437 $date{'day'} = $days[$wday];
3438 $date{'month'} = $months[$mon];
3439 $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
3440 $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
3441 $date{'mday-time'} = sprintf "%d %s %02d:%02d",
3442 $mday, $months[$mon], $hour ,$min;
3443 $date{'iso-8601'} = sprintf "%04d-%02d-%02dT%02d:%02d:%02dZ",
3444 1900+$year, 1+$mon, $mday, $hour ,$min, $sec;
3445
3446 my ($tz_sign, $tz_hour, $tz_min) =
3447 ($tz =~ m/^([-+])(\d\d)(\d\d)$/);
3448 $tz_sign = ($tz_sign eq '-' ? -1 : +1);
3449 my $local = $epoch + $tz_sign*((($tz_hour*60) + $tz_min)*60);
3450 ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
3451 $date{'hour_local'} = $hour;
3452 $date{'minute_local'} = $min;
3453 $date{'tz_local'} = $tz;
3454 $date{'iso-tz'} = sprintf("%04d-%02d-%02d %02d:%02d:%02d %s",
3455 1900+$year, $mon+1, $mday,
3456 $hour, $min, $sec, $tz);
3457 return %date;
3458 }
3459
3460 sub hide_mailaddrs_if_private {
3461 my $line = shift;
3462 return $line unless gitweb_check_feature('email-privacy');
3463 $line =~ s/<[^@>]+@[^>]+>/<redacted>/g;
3464 return $line;
3465 }
3466
3467 sub parse_tag {
3468 my $tag_id = shift;
3469 my %tag;
3470 my @comment;
3471
3472 open my $fd, "-|", git_cmd(), "cat-file", "tag", $tag_id or return;
3473 $tag{'id'} = $tag_id;
3474 while (my $line = <$fd>) {
3475 chomp $line;
3476 if ($line =~ m/^object ($oid_regex)$/) {
3477 $tag{'object'} = $1;
3478 } elsif ($line =~ m/^type (.+)$/) {
3479 $tag{'type'} = $1;
3480 } elsif ($line =~ m/^tag (.+)$/) {
3481 $tag{'name'} = $1;
3482 } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
3483 $tag{'author'} = hide_mailaddrs_if_private($1);
3484 $tag{'author_epoch'} = $2;
3485 $tag{'author_tz'} = $3;
3486 if ($tag{'author'} =~ m/^([^<]+) <([^>]*)>/) {
3487 $tag{'author_name'} = $1;
3488 $tag{'author_email'} = $2;
3489 } else {
3490 $tag{'author_name'} = $tag{'author'};
3491 }
3492 } elsif ($line =~ m/--BEGIN/) {
3493 push @comment, $line;
3494 last;
3495 } elsif ($line eq "") {
3496 last;
3497 }
3498 }
3499 push @comment, <$fd>;
3500 $tag{'comment'} = \@comment;
3501 close $fd or return;
3502 if (!defined $tag{'name'}) {
3503 return
3504 };
3505 return %tag
3506 }
3507
3508 sub parse_commit_text {
3509 my ($commit_text, $withparents) = @_;
3510 my @commit_lines = split '\n', $commit_text;
3511 my %co;
3512
3513 pop @commit_lines; # Remove '\0'
3514
3515 if (! @commit_lines) {
3516 return;
3517 }
3518
3519 my $header = shift @commit_lines;
3520 if ($header !~ m/^$oid_regex/) {
3521 return;
3522 }
3523 ($co{'id'}, my @parents) = split ' ', $header;
3524 while (my $line = shift @commit_lines) {
3525 last if $line eq "\n";
3526 if ($line =~ m/^tree ($oid_regex)$/) {
3527 $co{'tree'} = $1;
3528 } elsif ((!defined $withparents) && ($line =~ m/^parent ($oid_regex)$/)) {
3529 push @parents, $1;
3530 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
3531 $co{'author'} = hide_mailaddrs_if_private(to_utf8($1));
3532 $co{'author_epoch'} = $2;
3533 $co{'author_tz'} = $3;
3534 if ($co{'author'} =~ m/^([^<]+) <([^>]*)>/) {
3535 $co{'author_name'} = $1;
3536 $co{'author_email'} = $2;
3537 } else {
3538 $co{'author_name'} = $co{'author'};
3539 }
3540 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
3541 $co{'committer'} = hide_mailaddrs_if_private(to_utf8($1));
3542 $co{'committer_epoch'} = $2;
3543 $co{'committer_tz'} = $3;
3544 if ($co{'committer'} =~ m/^([^<]+) <([^>]*)>/) {
3545 $co{'committer_name'} = $1;
3546 $co{'committer_email'} = $2;
3547 } else {
3548 $co{'committer_name'} = $co{'committer'};
3549 }
3550 }
3551 }
3552 if (!defined $co{'tree'}) {
3553 return;
3554 };
3555 $co{'parents'} = \@parents;
3556 $co{'parent'} = $parents[0];
3557
3558 foreach my $title (@commit_lines) {
3559 $title =~ s/^ //;
3560 if ($title ne "") {
3561 $co{'title'} = chop_str($title, 80, 5);
3562 # remove leading stuff of merges to make the interesting part visible
3563 if (length($title) > 50) {
3564 $title =~ s/^Automatic //;
3565 $title =~ s/^merge (of|with) /Merge ... /i;
3566 if (length($title) > 50) {
3567 $title =~ s/(http|rsync):\/\///;
3568 }
3569 if (length($title) > 50) {
3570 $title =~ s/(master|www|rsync)\.//;
3571 }
3572 if (length($title) > 50) {
3573 $title =~ s/kernel.org:?//;
3574 }
3575 if (length($title) > 50) {
3576 $title =~ s/\/pub\/scm//;
3577 }
3578 }
3579 $co{'title_short'} = chop_str($title, 50, 5);
3580 last;
3581 }
3582 }
3583 if (! defined $co{'title'} || $co{'title'} eq "") {
3584 $co{'title'} = $co{'title_short'} = '(no commit message)';
3585 }
3586 # remove added spaces, redact e-mail addresses if applicable.
3587 foreach my $line (@commit_lines) {
3588 $line =~ s/^ //;
3589 $line = hide_mailaddrs_if_private($line);
3590 }
3591 $co{'comment'} = \@commit_lines;
3592
3593 my $age = time - $co{'committer_epoch'};
3594 $co{'age'} = $age;
3595 $co{'age_string'} = age_string($age);
3596 my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
3597 if ($age > 60*60*24*7*2) {
3598 $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
3599 $co{'age_string_age'} = $co{'age_string'};
3600 } else {
3601 $co{'age_string_date'} = $co{'age_string'};
3602 $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
3603 }
3604 return %co;
3605 }
3606
3607 sub parse_commit {
3608 my ($commit_id) = @_;
3609 my %co;
3610
3611 local $/ = "\0";
3612
3613 open my $fd, "-|", git_cmd(), "rev-list",
3614 "--parents",
3615 "--header",
3616 "--max-count=1",
3617 $commit_id,
3618 "--",
3619 or die_error(500, "Open git-rev-list failed");
3620 %co = parse_commit_text(<$fd>, 1);
3621 close $fd;
3622
3623 return %co;
3624 }
3625
3626 sub parse_commits {
3627 my ($commit_id, $maxcount, $skip, $filename, @args) = @_;
3628 my @cos;
3629
3630 $maxcount ||= 1;
3631 $skip ||= 0;
3632
3633 local $/ = "\0";
3634
3635 open my $fd, "-|", git_cmd(), "rev-list",
3636 "--header",
3637 @args,
3638 ("--max-count=" . $maxcount),
3639 ("--skip=" . $skip),
3640 @extra_options,
3641 $commit_id,
3642 "--",
3643 ($filename ? ($filename) : ())
3644 or die_error(500, "Open git-rev-list failed");
3645 while (my $line = <$fd>) {
3646 my %co = parse_commit_text($line);
3647 push @cos, \%co;
3648 }
3649 close $fd;
3650
3651 return wantarray ? @cos : \@cos;
3652 }
3653
3654 # parse line of git-diff-tree "raw" output
3655 sub parse_difftree_raw_line {
3656 my $line = shift;
3657 my %res;
3658
3659 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M ls-files.c'
3660 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M rev-tree.c'
3661 if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ($oid_regex) ($oid_regex) (.)([0-9]{0,3})\t(.*)$/) {
3662 $res{'from_mode'} = $1;
3663 $res{'to_mode'} = $2;
3664 $res{'from_id'} = $3;
3665 $res{'to_id'} = $4;
3666 $res{'status'} = $5;
3667 $res{'similarity'} = $6;
3668 if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
3669 ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
3670 } else {
3671 $res{'from_file'} = $res{'to_file'} = $res{'file'} = unquote($7);
3672 }
3673 }
3674 # '::100755 100755 100755 60e79ca1b01bc8b057abe17ddab484699a7f5fdb 94067cc5f73388f33722d52ae02f44692bc07490 94067cc5f73388f33722d52ae02f44692bc07490 MR git-gui/git-gui.sh'
3675 # combined diff (for merge commit)
3676 elsif ($line =~ s/^(::+)((?:[0-7]{6} )+)((?:$oid_regex )+)([a-zA-Z]+)\t(.*)$//) {
3677 $res{'nparents'} = length($1);
3678 $res{'from_mode'} = [ split(' ', $2) ];
3679 $res{'to_mode'} = pop @{$res{'from_mode'}};
3680 $res{'from_id'} = [ split(' ', $3) ];
3681 $res{'to_id'} = pop @{$res{'from_id'}};
3682 $res{'status'} = [ split('', $4) ];
3683 $res{'to_file'} = unquote($5);
3684 }
3685 # 'c512b523472485aef4fff9e57b229d9d243c967f'
3686 elsif ($line =~ m/^($oid_regex)$/) {
3687 $res{'commit'} = $1;
3688 }
3689
3690 return wantarray ? %res : \%res;
3691 }
3692
3693 # wrapper: return parsed line of git-diff-tree "raw" output
3694 # (the argument might be raw line, or parsed info)
3695 sub parsed_difftree_line {
3696 my $line_or_ref = shift;
3697
3698 if (ref($line_or_ref) eq "HASH") {
3699 # pre-parsed (or generated by hand)
3700 return $line_or_ref;
3701 } else {
3702 return parse_difftree_raw_line($line_or_ref);
3703 }
3704 }
3705
3706 # parse line of git-ls-tree output
3707 sub parse_ls_tree_line {
3708 my $line = shift;
3709 my %opts = @_;
3710 my %res;
3711
3712 if ($opts{'-l'}) {
3713 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa 16717 panic.c'
3714 $line =~ m/^([0-9]+) (.+) ($oid_regex) +(-|[0-9]+)\t(.+)$/s;
3715
3716 $res{'mode'} = $1;
3717 $res{'type'} = $2;
3718 $res{'hash'} = $3;
3719 $res{'size'} = $4;
3720 if ($opts{'-z'}) {
3721 $res{'name'} = $5;
3722 } else {
3723 $res{'name'} = unquote($5);
3724 }
3725 } else {
3726 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
3727 $line =~ m/^([0-9]+) (.+) ($oid_regex)\t(.+)$/s;
3728
3729 $res{'mode'} = $1;
3730 $res{'type'} = $2;
3731 $res{'hash'} = $3;
3732 if ($opts{'-z'}) {
3733 $res{'name'} = $4;
3734 } else {
3735 $res{'name'} = unquote($4);
3736 }
3737 }
3738
3739 return wantarray ? %res : \%res;
3740 }
3741
3742 # generates _two_ hashes, references to which are passed as 2 and 3 argument
3743 sub parse_from_to_diffinfo {
3744 my ($diffinfo, $from, $to, @parents) = @_;
3745
3746 if ($diffinfo->{'nparents'}) {
3747 # combined diff
3748 $from->{'file'} = [];
3749 $from->{'href'} = [];
3750 fill_from_file_info($diffinfo, @parents)
3751 unless exists $diffinfo->{'from_file'};
3752 for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
3753 $from->{'file'}[$i] =
3754 defined $diffinfo->{'from_file'}[$i] ?
3755 $diffinfo->{'from_file'}[$i] :
3756 $diffinfo->{'to_file'};
3757 if ($diffinfo->{'status'}[$i] ne "A") { # not new (added) file
3758 $from->{'href'}[$i] = href(action=>"blob",
3759 hash_base=>$parents[$i],
3760 hash=>$diffinfo->{'from_id'}[$i],
3761 file_name=>$from->{'file'}[$i]);
3762 } else {
3763 $from->{'href'}[$i] = undef;
3764 }
3765 }
3766 } else {
3767 # ordinary (not combined) diff
3768 $from->{'file'} = $diffinfo->{'from_file'};
3769 if ($diffinfo->{'status'} ne "A") { # not new (added) file
3770 $from->{'href'} = href(action=>"blob", hash_base=>$hash_parent,
3771 hash=>$diffinfo->{'from_id'},
3772 file_name=>$from->{'file'});
3773 } else {
3774 delete $from->{'href'};
3775 }
3776 }
3777
3778 $to->{'file'} = $diffinfo->{'to_file'};
3779 if (!is_deleted($diffinfo)) { # file exists in result
3780 $to->{'href'} = href(action=>"blob", hash_base=>$hash,
3781 hash=>$diffinfo->{'to_id'},
3782 file_name=>$to->{'file'});
3783 } else {
3784 delete $to->{'href'};
3785 }
3786 }
3787
3788 ## ......................................................................
3789 ## parse to array of hashes functions
3790
3791 sub git_get_heads_list {
3792 my ($limit, @classes) = @_;
3793 @classes = get_branch_refs() unless @classes;
3794 my @patterns = map { "refs/$_" } @classes;
3795 my @headslist;
3796
3797 open my $fd, '-|', git_cmd(), 'for-each-ref',
3798 ($limit ? '--count='.($limit+1) : ()),
3799 '--sort=-HEAD', '--sort=-committerdate',
3800 '--format=%(objectname) %(refname) %(subject)%00%(committer)',
3801 @patterns
3802 or return;
3803 while (my $line = <$fd>) {
3804 my %ref_item;
3805
3806 chomp $line;
3807 my ($refinfo, $committerinfo) = split(/\0/, $line);
3808 my ($hash, $name, $title) = split(' ', $refinfo, 3);
3809 my ($committer, $epoch, $tz) =
3810 ($committerinfo =~ /^(.*) ([0-9]+) (.*)$/);
3811 $ref_item{'fullname'} = $name;
3812 my $strip_refs = join '|', map { quotemeta } get_branch_refs();
3813 $name =~ s!^refs/($strip_refs|remotes)/!!;
3814 $ref_item{'name'} = $name;
3815 # for refs neither in 'heads' nor 'remotes' we want to
3816 # show their ref dir
3817 my $ref_dir = (defined $1) ? $1 : '';
3818 if ($ref_dir ne '' and $ref_dir ne 'heads' and $ref_dir ne 'remotes') {
3819 $ref_item{'name'} .= ' (' . $ref_dir . ')';
3820 }
3821
3822 $ref_item{'id'} = $hash;
3823 $ref_item{'title'} = $title || '(no commit message)';
3824 $ref_item{'epoch'} = $epoch;
3825 if ($epoch) {
3826 $ref_item{'age'} = age_string(time - $ref_item{'epoch'});
3827 } else {
3828 $ref_item{'age'} = "unknown";
3829 }
3830
3831 push @headslist, \%ref_item;
3832 }
3833 close $fd;
3834
3835 return wantarray ? @headslist : \@headslist;
3836 }
3837
3838 sub git_get_tags_list {
3839 my $limit = shift;
3840 my @tagslist;
3841
3842 open my $fd, '-|', git_cmd(), 'for-each-ref',
3843 ($limit ? '--count='.($limit+1) : ()), '--sort=-creatordate',
3844 '--format=%(objectname) %(objecttype) %(refname) '.
3845 '%(*objectname) %(*objecttype) %(subject)%00%(creator)',
3846 'refs/tags'
3847 or return;
3848 while (my $line = <$fd>) {
3849 my %ref_item;
3850
3851 chomp $line;
3852 my ($refinfo, $creatorinfo) = split(/\0/, $line);
3853 my ($id, $type, $name, $refid, $reftype, $title) = split(' ', $refinfo, 6);
3854 my ($creator, $epoch, $tz) =
3855 ($creatorinfo =~ /^(.*) ([0-9]+) (.*)$/);
3856 $ref_item{'fullname'} = $name;
3857 $name =~ s!^refs/tags/!!;
3858
3859 $ref_item{'type'} = $type;
3860 $ref_item{'id'} = $id;
3861 $ref_item{'name'} = $name;
3862 if ($type eq "tag") {
3863 $ref_item{'subject'} = $title;
3864 $ref_item{'reftype'} = $reftype;
3865 $ref_item{'refid'} = $refid;
3866 } else {
3867 $ref_item{'reftype'} = $type;
3868 $ref_item{'refid'} = $id;
3869 }
3870
3871 if ($type eq "tag" || $type eq "commit") {
3872 $ref_item{'epoch'} = $epoch;
3873 if ($epoch) {
3874 $ref_item{'age'} = age_string(time - $ref_item{'epoch'});
3875 } else {
3876 $ref_item{'age'} = "unknown";
3877 }
3878 }
3879
3880 push @tagslist, \%ref_item;
3881 }
3882 close $fd;
3883
3884 return wantarray ? @tagslist : \@tagslist;
3885 }
3886
3887 ## ----------------------------------------------------------------------
3888 ## filesystem-related functions
3889
3890 sub get_file_owner {
3891 my $path = shift;
3892
3893 my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
3894 my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
3895 if (!defined $gcos) {
3896 return undef;
3897 }
3898 my $owner = $gcos;
3899 $owner =~ s/[,;].*$//;
3900 return to_utf8($owner);
3901 }
3902
3903 # assume that file exists
3904 sub insert_file {
3905 my $filename = shift;
3906
3907 open my $fd, '<', $filename;
3908 print map { to_utf8($_) } <$fd>;
3909 close $fd;
3910 }
3911
3912 ## ......................................................................
3913 ## mimetype related functions
3914
3915 sub mimetype_guess_file {
3916 my $filename = shift;
3917 my $mimemap = shift;
3918 -r $mimemap or return undef;
3919
3920 my %mimemap;
3921 open(my $mh, '<', $mimemap) or return undef;
3922 while (<$mh>) {
3923 next if m/^#/; # skip comments
3924 my ($mimetype, @exts) = split(/\s+/);
3925 foreach my $ext (@exts) {
3926 $mimemap{$ext} = $mimetype;
3927 }
3928 }
3929 close($mh);
3930
3931 $filename =~ /\.([^.]*)$/;
3932 return $mimemap{$1};
3933 }
3934
3935 sub mimetype_guess {
3936 my $filename = shift;
3937 my $mime;
3938 $filename =~ /\./ or return undef;
3939
3940 if ($mimetypes_file) {
3941 my $file = $mimetypes_file;
3942 if ($file !~ m!^/!) { # if it is relative path
3943 # it is relative to project
3944 $file = "$projectroot/$project/$file";
3945 }
3946 $mime = mimetype_guess_file($filename, $file);
3947 }
3948 $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
3949 return $mime;
3950 }
3951
3952 sub blob_mimetype {
3953 my $fd = shift;
3954 my $filename = shift;
3955
3956 if ($filename) {
3957 my $mime = mimetype_guess($filename);
3958 $mime and return $mime;
3959 }
3960
3961 # just in case
3962 return $default_blob_plain_mimetype unless $fd;
3963
3964 if (-T $fd) {
3965 return 'text/plain';
3966 } elsif (! $filename) {
3967 return 'application/octet-stream';
3968 } elsif ($filename =~ m/\.png$/i) {
3969 return 'image/png';
3970 } elsif ($filename =~ m/\.gif$/i) {
3971 return 'image/gif';
3972 } elsif ($filename =~ m/\.jpe?g$/i) {
3973 return 'image/jpeg';
3974 } else {
3975 return 'application/octet-stream';
3976 }
3977 }
3978
3979 sub blob_contenttype {
3980 my ($fd, $file_name, $type) = @_;
3981
3982 $type ||= blob_mimetype($fd, $file_name);
3983 if ($type eq 'text/plain' && defined $default_text_plain_charset) {
3984 $type .= "; charset=$default_text_plain_charset";
3985 }
3986
3987 return $type;
3988 }
3989
3990 # guess file syntax for syntax highlighting; return undef if no highlighting
3991 # the name of syntax can (in the future) depend on syntax highlighter used
3992 sub guess_file_syntax {
3993 my ($highlight, $file_name) = @_;
3994 return undef unless ($highlight && defined $file_name);
3995 my $basename = basename($file_name, '.in');
3996 return $highlight_basename{$basename}
3997 if exists $highlight_basename{$basename};
3998
3999 $basename =~ /\.([^.]*)$/;
4000 my $ext = $1 or return undef;
4001 return $highlight_ext{$ext}
4002 if exists $highlight_ext{$ext};
4003
4004 return undef;
4005 }
4006
4007 # run highlighter and return FD of its output,
4008 # or return original FD if no highlighting
4009 sub run_highlighter {
4010 my ($fd, $highlight, $syntax) = @_;
4011 return $fd unless ($highlight);
4012
4013 close $fd;
4014 my $syntax_arg = (defined $syntax) ? "--syntax $syntax" : "--force";
4015 open $fd, quote_command(git_cmd(), "cat-file", "blob", $hash)." | ".
4016 quote_command($^X, '-CO', '-MEncode=decode,FB_DEFAULT', '-pse',
4017 '$_ = decode($fe, $_, FB_DEFAULT) if !utf8::decode($_);',
4018 '--', "-fe=$fallback_encoding")." | ".
4019 quote_command($highlight_bin).
4020 " --replace-tabs=8 --fragment $syntax_arg |"
4021 or die_error(500, "Couldn't open file or run syntax highlighter");
4022 return $fd;
4023 }
4024
4025 ## ======================================================================
4026 ## functions printing HTML: header, footer, error page
4027
4028 sub get_page_title {
4029 # Formats:
4030 # SITE_NAME
4031 # SITE_NAME - projects in FILTER
4032 # PROJECT - SITE_NAME
4033 # PROJECT ACTION - SITE_NAME
4034 # FILENAME - PROJECT ACTION - SITE_NAME
4035 my $title;
4036 unless (defined $project) {
4037 $title = to_utf8($site_name);
4038 if (defined $project_filter) {
4039 $title .= " - projects in '" . esc_path($project_filter) . "'";
4040 }
4041 return $title;
4042 }
4043 $title = to_utf8($project);
4044
4045 if (defined $action) {
4046 $title .= " $action"; # $action is US-ASCII (7bit ASCII)
4047 if (defined $file_name) {
4048 $title = " - " . $title;
4049 if ($action eq "tree" && $file_name !~ m|/$|) {
4050 $title = "/" . $title;
4051 }
4052 $title = esc_path($file_name) . $title;
4053 }
4054 }
4055
4056 $title .= " - " . to_utf8($site_name);
4057
4058 return $title;
4059 }
4060
4061 sub print_feed_meta {
4062 if (defined $project) {
4063 my %href_params = get_feed_info();
4064 if (!exists $href_params{'-title'}) {
4065 $href_params{'-title'} = 'log';
4066 }
4067
4068 foreach my $format (qw(Atom)) {
4069 my $type = lc($format);
4070 my %link_attr = (
4071 '-rel' => 'alternate',
4072 '-title' => esc_attr("$project - $href_params{'-title'} - $format feed"),
4073 '-type' => "application/$type+xml"
4074 );
4075
4076 $href_params{'extra_options'} = undef;
4077 $href_params{'action'} = $type;
4078 $link_attr{'-href'} = esc_attr(href(%href_params));
4079 print "<link ".
4080 "rel=\"$link_attr{'-rel'}\" ".
4081 "title=\"$link_attr{'-title'}\" ".
4082 "href=\"$link_attr{'-href'}\" ".
4083 "type=\"$link_attr{'-type'}\" ".
4084 "/>\n";
4085
4086 $href_params{'extra_options'} = '--no-merges';
4087 $link_attr{'-href'} = esc_attr(href(%href_params));
4088 $link_attr{'-title'} .= ' (no merges)';
4089 print "<link ".
4090 "rel=\"$link_attr{'-rel'}\" ".
4091 "title=\"$link_attr{'-title'}\" ".
4092 "href=\"$link_attr{'-href'}\" ".
4093 "type=\"$link_attr{'-type'}\" ".
4094 "/>\n";
4095 }
4096
4097 } else {
4098 printf('<link rel="alternate" title="%s projects list" '.
4099 'href="%s" type="text/plain; charset=utf-8" />'."\n",
4100 esc_attr($site_name),
4101 esc_attr(href(project=>undef, action=>"project_index")));
4102 printf('<link rel="alternate" title="%s projects feeds" '.
4103 'href="%s" type="text/x-opml" />'."\n",
4104 esc_attr($site_name),
4105 esc_attr(href(project=>undef, action=>"opml")));
4106 }
4107 }
4108
4109 sub print_header_links {
4110 my $status = shift;
4111
4112 # print out each stylesheet that exist, providing backwards capability
4113 # for those people who defined $stylesheet in a config file
4114 if (defined $stylesheet) {
4115 print '<link rel="stylesheet" href="'.esc_url($stylesheet).'"/>'."\n";
4116 } else {
4117 foreach my $stylesheet (@stylesheets) {
4118 next unless $stylesheet;
4119 print '<link rel="stylesheet" href="'.esc_url($stylesheet).'"/>'."\n";
4120 }
4121 }
4122 print_feed_meta()
4123 if ($status eq '200 OK');
4124 if (defined $favicon) {
4125 print qq(<link rel="icon" href=").esc_url($favicon).qq("/>\n);
4126 }
4127 }
4128
4129 sub print_nav_breadcrumbs_path {
4130 my $dirprefix = undef;
4131 while (my $part = shift) {
4132 $dirprefix .= "/" if defined $dirprefix;
4133 $dirprefix .= $part;
4134 print $cgi->a({-href => href(project => undef,
4135 project_filter => $dirprefix,
4136 action => "project_list")},
4137 esc_html($part)) . " / ";
4138 }
4139 }
4140
4141 sub print_nav_breadcrumbs {
4142 my %opts = @_;
4143
4144 for my $crumb (@extra_breadcrumbs, [ $home_link_str => $home_link ]) {
4145 print $cgi->a({-href => esc_url($crumb->[1])}, $crumb->[0]) . " / ";
4146 }
4147 if (defined $project) {
4148 my @dirname = split '/', $project;
4149 my $projectbasename = pop @dirname;
4150 print_nav_breadcrumbs_path(@dirname);
4151 print $cgi->a({-href => href(action=>"summary")}, esc_html($projectbasename));
4152 if (defined $action) {
4153 my $action_print = $action ;
4154 if (defined $opts{-action_extra}) {
4155 $action_print = $cgi->a({-href => href(action=>$action)},
4156 $action);
4157 }
4158 print " / $action_print";
4159 }
4160 if (defined $opts{-action_extra}) {
4161 print " / $opts{-action_extra}";
4162 }
4163 print "\n";
4164 } elsif (defined $project_filter) {
4165 print_nav_breadcrumbs_path(split '/', $project_filter);
4166 }
4167 }
4168
4169 sub print_search_form {
4170 if (!defined $searchtext) {
4171 $searchtext = "";
4172 }
4173 my $search_hash;
4174 if (defined $hash_base) {
4175 $search_hash = $hash_base;
4176 } elsif (defined $hash) {
4177 $search_hash = $hash;
4178 } else {
4179 $search_hash = "HEAD";
4180 }
4181 my $action = $my_uri;
4182 my $use_pathinfo = gitweb_check_feature('pathinfo');
4183 if ($use_pathinfo) {
4184 $action .= "/".esc_url($project);
4185 }
4186 print $cgi->start_form(-method => "get", -action => $action, -role => "search") .
4187 (!$use_pathinfo &&
4188 $cgi->input({-name=>"p", -value=>$project, -type=>"hidden"}) . "\n") .
4189 $cgi->input({-name=>"a", -value=>"search", -type=>"hidden"}) . "\n" .
4190 $cgi->input({-name=>"h", -value=>$search_hash, -type=>"hidden"}) . "\n" .
4191 $cgi->popup_menu(-name => 'st', -default => 'commit',
4192 -values => ['commit', 'grep', 'author', 'committer', 'pickaxe']) .
4193 " " . $cgi->a({-href => href(action=>"search_help"),
4194 -title => "search help" }, "?") . " search:\n",
4195 $cgi->textfield(-name => "s", -value => $searchtext, -override => 1) . "\n" .
4196 "<span title=\"Extended regular expression\">" .
4197 $cgi->checkbox(-name => 'sr', -value => 1, -label => 're',
4198 -checked => $search_use_regexp) .
4199 "</span>" .
4200 $cgi->end_form() . "\n";
4201 }
4202
4203 sub git_header_html {
4204 my $status = shift || "200 OK";
4205 my $expires = shift;
4206 my %opts = @_;
4207
4208 my $title = get_page_title();
4209 # I wanted to switch to text/html, but it uses nested <a> in a couple of places (e.g. log refs are links inside the commit summary link), which is invalid but works in the XML syntax. Pity.
4210 # (Various other invalid HTML is produced that HTML would have fixed but XHTML allows to be broken, like table > tr, lacking tbody.)
4211 # TODO: reduce the doctype to <!DOCTYPE html>, but that takes replacing entities like &sdot; with ⋅.
4212 print $cgi->header(-type => 'application/xhtml+xml', -charset => 'utf-8',
4213 -status=> $status, -expires => $expires)
4214 unless ($opts{'-no_http_header'});
4215 print <<EOF;
4216 <?xml version="1.0" encoding="utf-8"?>
4217 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
4218 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-AU" lang="en-AU">
4219 <head>
4220 <meta charset="utf-8"/>
4221 <meta name="robots" content="index, nofollow"/>
4222 <title>$title</title>
4223 EOF
4224 # the stylesheet, favicon etc urls won't work correctly with path_info
4225 # unless we set the appropriate base URL
4226 if ($ENV{'PATH_INFO'}) {
4227 print "<base href=\"".esc_url($base_url)."\"/>\n";
4228 }
4229 print_header_links($status);
4230
4231 if (defined $site_html_head_string) {
4232 print to_utf8($site_html_head_string);
4233 }
4234
4235 if (defined $site_header && -f $site_header) {
4236 insert_file($site_header);
4237 }
4238
4239 print "</head>\n<body>\n<header class=\"page_header\">\n";
4240 if (defined $logo) {
4241 print $cgi->a({-href => esc_url($logo_url),
4242 -title => $logo_label},
4243 $cgi->img({-src => esc_url($logo),
4244 -width => 72, -height => 27,
4245 -alt => "git",
4246 -class => "logo"}));
4247 }
4248 print_nav_breadcrumbs(%opts);
4249 print "</header>\n";
4250
4251 print "<nav class=\"page_subhead\">\n";
4252 }
4253
4254 sub git_end_subhead_html {
4255 my $have_search = gitweb_check_feature('search');
4256 if (defined $project && $have_search) {
4257 print_search_form();
4258 }
4259 print "</nav>\n";
4260 }
4261
4262 sub git_footer_html {
4263 my $feed_class = 'rss_logo';
4264
4265 print "<footer class=\"page_footer\">\n";
4266 if (defined $project) {
4267 my $descr = git_get_project_description($project);
4268 if (defined $descr) {
4269 print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
4270 }
4271
4272 my %href_params = get_feed_info();
4273 if (!%href_params) {
4274 $feed_class .= ' generic';
4275 }
4276 $href_params{'-title'} ||= 'log';
4277
4278 foreach my $format (qw(Atom)) {
4279 $href_params{'action'} = lc($format);
4280 print $cgi->a({-href => href(%href_params),
4281 -title => "$href_params{'-title'} $format feed",
4282 -class => $feed_class}, $format)."\n";
4283 }
4284
4285 } else {
4286 print $cgi->a({-href => href(project=>undef, action=>"opml",
4287 project_filter => $project_filter),
4288 -class => $feed_class}, "OPML") . " ";
4289 print $cgi->a({-href => href(project=>undef, action=>"project_index",
4290 project_filter => $project_filter),
4291 -class => $feed_class}, "TXT") . "\n";
4292 }
4293 print "</footer>\n"; # class="page_footer"
4294
4295 if (defined $t0 && gitweb_check_feature('timed')) {
4296 print "<div id=\"generating_info\">\n";
4297 print 'This page took '.
4298 '<span id="generating_time" class="time_span">'.
4299 tv_interval($t0, [ gettimeofday() ]).
4300 ' seconds </span>'.
4301 ' and '.
4302 '<span id="generating_cmd">'.
4303 $number_of_git_cmds.
4304 '</span> git commands '.
4305 " to generate.\n";
4306 print "</div>\n";
4307 }
4308
4309 if (defined $site_footer && -f $site_footer) {
4310 insert_file($site_footer);
4311 }
4312
4313 print qq!<script type="text/javascript" src="!.esc_url($javascript).qq!"></script>\n!;
4314 if (defined $action &&
4315 $action eq 'blame_incremental') {
4316 print qq!<script type="text/javascript">\n!.
4317 qq!startBlame("!. esc_attr(href(action=>"blame_data", -replay=>1)) .qq!",\n!.
4318 qq! "!. esc_attr(href()) .qq!");\n!.
4319 qq!</script>\n!;
4320 } else {
4321 my ($jstimezone, $tz_cookie, $datetime_class) =
4322 gitweb_get_feature('javascript-timezone');
4323
4324 print qq!<script type="text/javascript">\n!.
4325 qq!window.onload = function () {\n!;
4326 if (gitweb_check_feature('javascript-actions')) {
4327 print qq! fixLinks();\n!;
4328 }
4329 if ($jstimezone && $tz_cookie && $datetime_class) {
4330 print qq! var tz_cookie = { name: '$tz_cookie', expires: 14, path: '/' };\n!. # in days
4331 qq! onloadTZSetup('$jstimezone', tz_cookie, '$datetime_class');\n!;
4332 }
4333 print qq!};\n!.
4334 qq!</script>\n!;
4335 }
4336
4337 print "</body>\n" .
4338 "</html>";
4339 }
4340
4341 # die_error(<http_status_code>, <error_message>[, <detailed_html_description>])
4342 # Example: die_error(404, 'Hash not found')
4343 # By convention, use the following status codes (as defined in RFC 2616):
4344 # 400: Invalid or missing CGI parameters, or
4345 # requested object exists but has wrong type.
4346 # 403: Requested feature (like "pickaxe" or "snapshot") not enabled on
4347 # this server or project.
4348 # 404: Requested object/revision/project doesn't exist.
4349 # 500: The server isn't configured properly, or
4350 # an internal error occurred (e.g. failed assertions caused by bugs), or
4351 # an unknown error occurred (e.g. the git binary died unexpectedly).
4352 # 503: The server is currently unavailable (because it is overloaded,
4353 # or down for maintenance). Generally, this is a temporary state.
4354 sub die_error {
4355 my $status = shift || 500;
4356 my $error = esc_html(shift) || "Internal Server Error";
4357 my $extra = shift;
4358 my %opts = @_;
4359
4360 my %http_responses = (
4361 400 => '400 Bad Request',
4362 403 => '403 Forbidden',
4363 404 => '404 Not Found',
4364 500 => '500 Internal Server Error',
4365 503 => '503 Service Unavailable',
4366 );
4367 git_header_html($http_responses{$status}, undef, %opts);
4368 git_end_subhead_html();
4369 print <<EOF;
4370 <div class="page_body">
4371 <br /><br />
4372 $status - $error
4373 <br />
4374 EOF
4375 if (defined $extra) {
4376 print "<hr />\n" .
4377 "$extra\n";
4378 }
4379 print "</div>\n";
4380
4381 git_footer_html();
4382 goto DONE_GITWEB
4383 unless ($opts{'-error_handler'});
4384 }
4385
4386 ## ----------------------------------------------------------------------
4387 ## functions printing or outputting HTML: navigation
4388
4389 sub git_print_page_nav {
4390 my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
4391
4392 my @navs = qw(summary shortlog log commit commitdiff tree);
4393 if ($suppress) {
4394 @navs = grep { $_ ne $suppress } @navs;
4395 }
4396
4397 my %arg = map { $_ => {action=>$_} } @navs;
4398 if (defined $head) {
4399 for (qw(commit commitdiff)) {
4400 $arg{$_}{'hash'} = $head;
4401 }
4402 if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
4403 for (qw(shortlog log)) {
4404 $arg{$_}{'hash'} = $head;
4405 }
4406 }
4407 }
4408
4409 $arg{'tree'}{'hash'} = $treehead if defined $treehead;
4410 $arg{'tree'}{'hash_base'} = $treebase if defined $treebase;
4411
4412 my @actions = gitweb_get_feature('actions');
4413 my %repl = (
4414 '%' => '%',
4415 'n' => $project, # project name
4416 'f' => $git_dir, # project path within filesystem
4417 'h' => $treehead || '', # current hash ('h' parameter)
4418 'b' => $treebase || '', # hash base ('hb' parameter)
4419 );
4420 while (@actions) {
4421 my ($label, $link, $pos) = splice(@actions,0,3);
4422 # insert
4423 @navs = map { $_ eq $pos ? ($_, $label) : $_ } @navs;
4424 # munch munch
4425 $link =~ s/%([%nfhb])/$repl{$1}/g;
4426 $arg{$label}{'_href'} = $link;
4427 }
4428
4429 print "<div class=\"page_nav\">\n" .
4430 (join " | ",
4431 map { $_ eq $current ?
4432 $_ : $cgi->a({-href => ($arg{$_}{_href} ? $arg{$_}{_href} : href(%{$arg{$_}}))}, "$_")
4433 } @navs);
4434 print "<br/>\n$extra" if defined $extra; # pager or formats
4435 print "</div>\n";
4436 git_end_subhead_html();
4437 }
4438
4439 # returns a submenu for the navigation of the refs views (tags, heads,
4440 # remotes) with the current view disabled and the remotes view only
4441 # available if the feature is enabled
4442 sub format_ref_views {
4443 my ($current) = @_;
4444 my @ref_views = qw{tags heads};
4445 push @ref_views, 'remotes' if gitweb_check_feature('remote_heads');
4446 return join " | ", map {
4447 $_ eq $current ? $_ :
4448 $cgi->a({-href => href(action=>$_)}, $_)
4449 } @ref_views
4450 }
4451
4452 sub format_paging_nav {
4453 my ($action, $page, $has_next_link) = @_;
4454 my $paging_nav;
4455
4456
4457 if ($page > 0) {
4458 $paging_nav .=
4459 $cgi->a({-href => href(-replay=>1, page=>undef)}, "first") .
4460 " &sdot; " .
4461 $cgi->a({-href => href(-replay=>1, page=>$page-1),
4462 -accesskey => "p", -title => "Alt-p"}, "prev");
4463 } else {
4464 $paging_nav .= "first &sdot; prev";
4465 }
4466
4467 if ($has_next_link) {
4468 $paging_nav .= " &sdot; " .
4469 $cgi->a({-href => href(-replay=>1, page=>$page+1),
4470 -accesskey => "n", -title => "Alt-n"}, "next");
4471 } else {
4472 $paging_nav .= " &sdot; next";
4473 }
4474
4475 return $paging_nav;
4476 }
4477
4478 ## ......................................................................
4479 ## functions printing or outputting HTML: div
4480
4481 sub git_print_header_div {
4482 my ($action, $title, $hash, $hash_base) = @_;
4483 my %args = ();
4484
4485 $args{'action'} = $action;
4486 $args{'hash'} = $hash if $hash;
4487 $args{'hash_base'} = $hash_base if $hash_base;
4488
4489 print "<div class=\"header\">\n" .
4490 $cgi->a({-href => href(%args), -class => "title"},
4491 $title ? $title : $action) .
4492 "\n</div>\n";
4493 }
4494
4495 sub format_repo_url {
4496 my ($name, $url) = @_;
4497 return "<tr class=\"metadata_url\"><td>$name</td><td>$url</td></tr>\n";
4498 }
4499
4500 # Group output by placing it in a DIV element and adding a header.
4501 # Options for start_div() can be provided by passing a hash reference as the
4502 # first parameter to the function.
4503 # Options to git_print_header_div() can be provided by passing an array
4504 # reference. This must follow the options to start_div if they are present.
4505 # The content can be a scalar, which is output as-is, a scalar reference, which
4506 # is output after html escaping, an IO handle passed either as *handle or
4507 # *handle{IO}, or a function reference. In the latter case all following
4508 # parameters will be taken as argument to the content function call.
4509 sub git_print_section {
4510 my ($div_args, $header_args, $content);
4511 my $arg = shift;
4512 if (ref($arg) eq 'HASH') {
4513 $div_args = $arg;
4514 $arg = shift;
4515 }
4516 if (ref($arg) eq 'ARRAY') {
4517 $header_args = $arg;
4518 $arg = shift;
4519 }
4520 $content = $arg;
4521
4522 print $cgi->start_div($div_args);
4523 git_print_header_div(@$header_args);
4524
4525 if (ref($content) eq 'CODE') {
4526 $content->(@_);
4527 } elsif (ref($content) eq 'SCALAR') {
4528 print esc_html($$content);
4529 } elsif (ref($content) eq 'GLOB' or ref($content) eq 'IO::Handle') {
4530 print <$content>;
4531 } elsif (!ref($content) && defined($content)) {
4532 print $content;
4533 }
4534
4535 print $cgi->end_div;
4536 }
4537
4538 sub format_timestamp_html {
4539 my $date = shift;
4540 my $strtime = $date->{'rfc2822'};
4541
4542 my (undef, undef, $datetime_class) =
4543 gitweb_get_feature('javascript-timezone');
4544 if ($datetime_class) {
4545 $strtime = qq!<span class="$datetime_class">$strtime</span>!;
4546 }
4547
4548 my $localtime_format = '(%02d:%02d %s)';
4549 $strtime .= ' ' .
4550 sprintf($localtime_format,
4551 $date->{'hour_local'}, $date->{'minute_local'}, $date->{'tz_local'});
4552
4553 return $strtime;
4554 }
4555
4556 # Outputs the author name and date in long form
4557 sub git_print_authorship {
4558 my $co = shift;
4559 my %opts = @_;
4560 my $tag = $opts{-tag} || 'div';
4561 my $author = $co->{'author_name'};
4562
4563 my %ad = parse_date($co->{'author_epoch'}, $co->{'author_tz'});
4564 print "<$tag class=\"author_date\">" .
4565 format_search_author($author, "author", esc_html($author)) .
4566 " [".format_timestamp_html(\%ad)."]".
4567 git_get_avatar($co->{'author_email'}, -pad_before => 1) .
4568 "</$tag>\n";
4569 }
4570
4571 # Outputs table rows containing the full author or committer information,
4572 # in the format expected for 'commit' view (& similar).
4573 # Parameters are a commit hash reference, followed by the list of people
4574 # to output information for. If the list is empty it defaults to both
4575 # author and committer.
4576 sub git_print_authorship_rows {
4577 my $co = shift;
4578 # too bad we can't use @people = @_ || ('author', 'committer')
4579 my @people = @_;
4580 @people = ('author', 'committer') unless @people;
4581 foreach my $who (@people) {
4582 my %wd = parse_date($co->{"${who}_epoch"}, $co->{"${who}_tz"});
4583 print "<tr><th>$who</th><td>" .
4584 format_search_author($co->{"${who}_name"}, $who,
4585 esc_html($co->{"${who}_name"})) . " " .
4586 format_search_author($co->{"${who}_email"}, $who,
4587 esc_html("<" . $co->{"${who}_email"} . ">")) .
4588 "</td><td rowspan=\"2\">" .
4589 git_get_avatar($co->{"${who}_email"}, -size => 'double') .
4590 "</td></tr>\n" .
4591 "<tr>" .
4592 "<td></td><td>" .
4593 format_timestamp_html(\%wd) .
4594 "</td>" .
4595 "</tr>\n";
4596 }
4597 }
4598
4599 sub git_print_page_path {
4600 my $name = shift;
4601 my $type = shift;
4602 my $hb = shift;
4603
4604
4605 print "<div class=\"page_path\">";
4606 print $cgi->a({-href => href(action=>"tree", hash_base=>$hb),
4607 -title => 'tree root'}, to_utf8("[$project]"));
4608 print " / ";
4609 if (defined $name) {
4610 my @dirname = split '/', $name;
4611 my $basename = pop @dirname;
4612 my $fullname = '';
4613
4614 foreach my $dir (@dirname) {
4615 $fullname .= ($fullname ? '/' : '') . $dir;
4616 print $cgi->a({-href => href(action=>"tree", file_name=>$fullname,
4617 hash_base=>$hb),
4618 -title => $fullname}, esc_path($dir));
4619 print " / ";
4620 }
4621 if (defined $type && $type eq 'blob') {
4622 print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
4623 hash_base=>$hb),
4624 -title => $name}, esc_path($basename));
4625 } elsif (defined $type && $type eq 'tree') {
4626 print $cgi->a({-href => href(action=>"tree", file_name=>$file_name,
4627 hash_base=>$hb),
4628 -title => $name}, esc_path($basename));
4629 print " / ";
4630 } else {
4631 print esc_path($basename);
4632 }
4633 }
4634 print "<br/></div>\n";
4635 }
4636
4637 sub git_print_log {
4638 my $log = shift;
4639 my %opts = @_;
4640
4641 if ($opts{'-remove_title'}) {
4642 # remove title, i.e. first line of log
4643 shift @$log;
4644 }
4645 # remove leading empty lines
4646 while (defined $log->[0] && $log->[0] eq "") {
4647 shift @$log;
4648 }
4649
4650 # print log
4651 my $skip_blank_line = 0;
4652 foreach my $line (@$log) {
4653 if ($line =~ m/^\s*([A-Z][-A-Za-z]*-([Bb]y|[Tt]o)|C[Cc]|(Clos|Fix)es): /) {
4654 if (! $opts{'-remove_signoff'}) {
4655 print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
4656 $skip_blank_line = 1;
4657 }
4658 next;
4659 }
4660
4661 if ($line =~ m,\s*([a-z]*link): (https?://\S+),i) {
4662 if (! $opts{'-remove_signoff'}) {
4663 print "<span class=\"signoff\">" . esc_html($1) . ": " .
4664 "<a href=\"" . esc_html($2) . "\">" . esc_html($2) . "</a>" .
4665 "</span><br/>\n";
4666 $skip_blank_line = 1;
4667 }
4668 next;
4669 }
4670
4671 # print only one empty line
4672 # do not print empty line after signoff
4673 if ($line eq "") {
4674 next if ($skip_blank_line);
4675 $skip_blank_line = 1;
4676 } else {
4677 $skip_blank_line = 0;
4678 }
4679
4680 print format_log_line_html($line) . "<br/>\n";
4681 }
4682 }
4683
4684 # return link target (what link points to)
4685 sub git_get_link_target {
4686 my $hash = shift;
4687 my $link_target;
4688
4689 # read link
4690 open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
4691 or return;
4692 {
4693 local $/ = undef;
4694 $link_target = <$fd>;
4695 }
4696 close $fd
4697 or return;
4698
4699 return $link_target;
4700 }
4701
4702 # given link target, and the directory (basedir) the link is in,
4703 # return target of link relative to top directory (top tree);
4704 # return undef if it is not possible (including absolute links).
4705 sub normalize_link_target {
4706 my ($link_target, $basedir) = @_;
4707
4708 # absolute symlinks (beginning with '/') cannot be normalized
4709 return if (substr($link_target, 0, 1) eq '/');
4710
4711 # normalize link target to path from top (root) tree (dir)
4712 my $path;
4713 if ($basedir) {
4714 $path = $basedir . '/' . $link_target;
4715 } else {
4716 # we are in top (root) tree (dir)
4717 $path = $link_target;
4718 }
4719
4720 # remove //, /./, and /../
4721 my @path_parts;
4722 foreach my $part (split('/', $path)) {
4723 # discard '.' and ''
4724 next if (!$part || $part eq '.');
4725 # handle '..'
4726 if ($part eq '..') {
4727 if (@path_parts) {
4728 pop @path_parts;
4729 } else {
4730 # link leads outside repository (outside top dir)
4731 return;
4732 }
4733 } else {
4734 push @path_parts, $part;
4735 }
4736 }
4737 $path = join('/', @path_parts);
4738
4739 return $path;
4740 }
4741
4742 # print tree entry (row of git_tree), but without encompassing <tr> element
4743 sub git_print_tree_entry {
4744 my ($t, $basedir, $hash_base, $have_blame) = @_;
4745
4746 my %base_key = ();
4747 $base_key{'hash_base'} = $hash_base if defined $hash_base;
4748
4749 # The format of a table row is: mode list link. Where mode is
4750 # the mode of the entry, list is the name of the entry, an href,
4751 # and link is the action links of the entry.
4752
4753 print "<td class=\"mode\">" . mode_str($t->{'mode'}) . "</td>\n";
4754 if (exists $t->{'size'}) {
4755 print "<td class=\"size\">$t->{'size'}</td>\n";
4756 }
4757 if ($t->{'type'} eq "blob") {
4758 print "<td class=\"list\">" .
4759 $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
4760 file_name=>"$basedir$t->{'name'}", %base_key),
4761 -class => "list"}, esc_path($t->{'name'}));
4762 if (S_ISLNK(oct $t->{'mode'})) {
4763 my $link_target = git_get_link_target($t->{'hash'});
4764 if ($link_target) {
4765 my $norm_target = normalize_link_target($link_target, $basedir);
4766 if (defined $norm_target) {
4767 print " -> " .
4768 $cgi->a({-href => href(action=>"object", hash_base=>$hash_base,
4769 file_name=>$norm_target),
4770 -title => $norm_target}, esc_path($link_target));
4771 } else {
4772 print " -> " . esc_path($link_target);
4773 }
4774 }
4775 }
4776 print "</td>\n";
4777 print "<td class=\"link\">";
4778 print $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
4779 file_name=>"$basedir$t->{'name'}", %base_key)},
4780 "blob");
4781 if ($have_blame) {
4782 print " | " .
4783 $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
4784 file_name=>"$basedir$t->{'name'}", %base_key)},
4785 "blame");
4786 }
4787 if (defined $hash_base) {
4788 print " | " .
4789 $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
4790 hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
4791 "history");
4792 }
4793 print " | " .
4794 $cgi->a({-href => href(action=>"blob_plain", hash_base=>$hash_base,
4795 file_name=>"$basedir$t->{'name'}")},
4796 "raw");
4797 print "</td>\n";
4798
4799 } elsif ($t->{'type'} eq "tree") {
4800 print "<td class=\"list\">";
4801 print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
4802 file_name=>"$basedir$t->{'name'}",
4803 %base_key)},
4804 esc_path($t->{'name'}));
4805 print "</td>\n";
4806 print "<td class=\"link\">";
4807 print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
4808 file_name=>"$basedir$t->{'name'}",
4809 %base_key)},
4810 "tree");
4811 if (defined $hash_base) {
4812 print " | " .
4813 $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
4814 file_name=>"$basedir$t->{'name'}")},
4815 "history");
4816 }
4817 print "</td>\n";
4818 } else {
4819 # unknown object: we can only present history for it
4820 # (this includes 'commit' object, i.e. submodule support)
4821 print "<td class=\"list\">" .
4822 esc_path($t->{'name'}) .
4823 "</td>\n";
4824 print "<td class=\"link\">";
4825 if (defined $hash_base) {
4826 print $cgi->a({-href => href(action=>"history",
4827 hash_base=>$hash_base,
4828 file_name=>"$basedir$t->{'name'}")},
4829 "history");
4830 }
4831 print "</td>\n";
4832 }
4833 }
4834
4835 ## ......................................................................
4836 ## functions printing large fragments of HTML
4837
4838 # get pre-image filenames for merge (combined) diff
4839 sub fill_from_file_info {
4840 my ($diff, @parents) = @_;
4841
4842 $diff->{'from_file'} = [ ];
4843 $diff->{'from_file'}[$diff->{'nparents'} - 1] = undef;
4844 for (my $i = 0; $i < $diff->{'nparents'}; $i++) {
4845 if ($diff->{'status'}[$i] eq 'R' ||
4846 $diff->{'status'}[$i] eq 'C') {
4847 $diff->{'from_file'}[$i] =
4848 git_get_path_by_hash($parents[$i], $diff->{'from_id'}[$i]);
4849 }
4850 }
4851
4852 return $diff;
4853 }
4854
4855 # is current raw difftree line of file deletion
4856 sub is_deleted {
4857 my $diffinfo = shift;
4858
4859 return $diffinfo->{'to_id'} eq ('0' x 40) || $diffinfo->{'to_id'} eq ('0' x 64);
4860 }
4861
4862 # does patch correspond to [previous] difftree raw line
4863 # $diffinfo - hashref of parsed raw diff format
4864 # $patchinfo - hashref of parsed patch diff format
4865 # (the same keys as in $diffinfo)
4866 sub is_patch_split {
4867 my ($diffinfo, $patchinfo) = @_;
4868
4869 return defined $diffinfo && defined $patchinfo
4870 && $diffinfo->{'to_file'} eq $patchinfo->{'to_file'};
4871 }
4872
4873
4874 sub git_difftree_body {
4875 my ($difftree, $hash, @parents) = @_;
4876 my ($parent) = $parents[0];
4877 my $have_blame = gitweb_check_feature('blame');
4878 print "<div class=\"list_head\">\n";
4879 if ($#{$difftree} > 10) {
4880 print(($#{$difftree} + 1) . " files changed:\n");
4881 }
4882 print "</div>\n";
4883
4884 print "<table class=\"" .
4885 (@parents > 1 ? "combined " : "") .
4886 "diff_tree\">\n";
4887
4888 # header only for combined diff in 'commitdiff' view
4889 my $has_header = @$difftree && @parents > 1 && $action eq 'commitdiff';
4890 if ($has_header) {
4891 # table header
4892 print "<thead><tr>\n" .
4893 "<th></th><th></th>\n"; # filename, patchN link
4894 for (my $i = 0; $i < @parents; $i++) {
4895 my $par = $parents[$i];
4896 print "<th>" .
4897 $cgi->a({-href => href(action=>"commitdiff",
4898 hash=>$hash, hash_parent=>$par),
4899 -title => 'commitdiff to parent number ' .
4900 ($i+1) . ': ' . substr($par,0,7)},
4901 $i+1) .
4902 "&nbsp;</th>\n";
4903 }
4904 print "</tr></thead>\n<tbody>\n";
4905 }
4906
4907 my $alternate = 1;
4908 my $patchno = 0;
4909 foreach my $line (@{$difftree}) {
4910 my $diff = parsed_difftree_line($line);
4911
4912 if ($alternate) {
4913 print "<tr class=\"dark\">\n";
4914 } else {
4915 print "<tr class=\"light\">\n";
4916 }
4917 $alternate ^= 1;
4918
4919 if (exists $diff->{'nparents'}) { # combined diff
4920
4921 fill_from_file_info($diff, @parents)
4922 unless exists $diff->{'from_file'};
4923
4924 if (!is_deleted($diff)) {
4925 # file exists in the result (child) commit
4926 print "<td>" .
4927 $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
4928 file_name=>$diff->{'to_file'},
4929 hash_base=>$hash),
4930 -class => "list"}, esc_path($diff->{'to_file'})) .
4931 "</td>\n";
4932 } else {
4933 print "<td>" .
4934 esc_path($diff->{'to_file'}) .
4935 "</td>\n";
4936 }
4937
4938 if ($action eq 'commitdiff') {
4939 # link to patch
4940 $patchno++;
4941 print "<td class=\"link\">" .
4942 $cgi->a({-href => href(-anchor=>"patch$patchno")},
4943 "patch") .
4944 " | " .
4945 "</td>\n";
4946 }
4947
4948 my $has_history = 0;
4949 my $not_deleted = 0;
4950 for (my $i = 0; $i < $diff->{'nparents'}; $i++) {
4951 my $hash_parent = $parents[$i];
4952 my $from_hash = $diff->{'from_id'}[$i];
4953 my $from_path = $diff->{'from_file'}[$i];
4954 my $status = $diff->{'status'}[$i];
4955
4956 $has_history ||= ($status ne 'A');
4957 $not_deleted ||= ($status ne 'D');
4958
4959 if ($status eq 'A') {
4960 print "<td class=\"link\" align=\"right\"> | </td>\n";
4961 } elsif ($status eq 'D') {
4962 print "<td class=\"link\">" .
4963 $cgi->a({-href => href(action=>"blob",
4964 hash_base=>$hash,
4965 hash=>$from_hash,
4966 file_name=>$from_path)},
4967 "blob" . ($i+1)) .
4968 " | </td>\n";
4969 } else {
4970 if ($diff->{'to_id'} eq $from_hash) {
4971 print "<td class=\"link nochange\">";
4972 } else {
4973 print "<td class=\"link\">";
4974 }
4975 print $cgi->a({-href => href(action=>"blobdiff",
4976 hash=>$diff->{'to_id'},
4977 hash_parent=>$from_hash,
4978 hash_base=>$hash,
4979 hash_parent_base=>$hash_parent,
4980 file_name=>$diff->{'to_file'},
4981 file_parent=>$from_path)},
4982 "diff" . ($i+1)) .
4983 " | </td>\n";
4984 }
4985 }
4986
4987 print "<td class=\"link\">";
4988 if ($not_deleted) {
4989 print $cgi->a({-href => href(action=>"blob",
4990 hash=>$diff->{'to_id'},
4991 file_name=>$diff->{'to_file'},
4992 hash_base=>$hash)},
4993 "blob");
4994 print " | " if ($has_history);
4995 }
4996 if ($has_history) {
4997 print $cgi->a({-href => href(action=>"history",
4998 file_name=>$diff->{'to_file'},
4999 hash_base=>$hash)},
5000 "history");
5001 }
5002 print "</td>\n";
5003
5004 print "</tr>\n";
5005 next; # instead of 'else' clause, to avoid extra indent
5006 }
5007 # else ordinary diff
5008
5009 my ($to_mode_oct, $to_mode_str, $to_file_type);
5010 my ($from_mode_oct, $from_mode_str, $from_file_type);
5011 if ($diff->{'to_mode'} ne ('0' x 6)) {
5012 $to_mode_oct = oct $diff->{'to_mode'};
5013 if (S_ISREG($to_mode_oct)) { # only for regular file
5014 $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
5015 }
5016 $to_file_type = file_type($diff->{'to_mode'});
5017 }
5018 if ($diff->{'from_mode'} ne ('0' x 6)) {
5019 $from_mode_oct = oct $diff->{'from_mode'};
5020 if (S_ISREG($from_mode_oct)) { # only for regular file
5021 $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
5022 }
5023 $from_file_type = file_type($diff->{'from_mode'});
5024 }
5025
5026 if ($diff->{'status'} eq "A") { # created
5027 my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
5028 $mode_chng .= " with mode: $to_mode_str" if $to_mode_str;
5029 $mode_chng .= "]</span>";
5030 print "<td>";
5031 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5032 hash_base=>$hash, file_name=>$diff->{'file'}),
5033 -class => "list"}, esc_path($diff->{'file'}));
5034 print "</td>\n";
5035 print "<td>$mode_chng</td>\n";
5036 print "<td class=\"link\">";
5037 if ($action eq 'commitdiff') {
5038 # link to patch
5039 $patchno++;
5040 print $cgi->a({-href => href(-anchor=>"patch$patchno")},
5041 "patch") .
5042 " | ";
5043 }
5044 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5045 hash_base=>$hash, file_name=>$diff->{'file'})},
5046 "blob");
5047 print "</td>\n";
5048
5049 } elsif ($diff->{'status'} eq "D") { # deleted
5050 my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
5051 print "<td>";
5052 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'},
5053 hash_base=>$parent, file_name=>$diff->{'file'}),
5054 -class => "list"}, esc_path($diff->{'file'}));
5055 print "</td>\n";
5056 print "<td>$mode_chng</td>\n";
5057 print "<td class=\"link\">";
5058 if ($action eq 'commitdiff') {
5059 # link to patch
5060 $patchno++;
5061 print $cgi->a({-href => href(-anchor=>"patch$patchno")},
5062 "patch") .
5063 " | ";
5064 }
5065 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'},
5066 hash_base=>$parent, file_name=>$diff->{'file'})},
5067 "blob") . " | ";
5068 if ($have_blame) {
5069 print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
5070 file_name=>$diff->{'file'})},
5071 "blame") . " | ";
5072 }
5073 print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
5074 file_name=>$diff->{'file'})},
5075 "history");
5076 print "</td>\n";
5077
5078 } elsif ($diff->{'status'} eq "M" || $diff->{'status'} eq "T") { # modified, or type changed
5079 my $mode_chnge = "";
5080 if ($diff->{'from_mode'} != $diff->{'to_mode'}) {
5081 $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
5082 if ($from_file_type ne $to_file_type) {
5083 $mode_chnge .= " from $from_file_type to $to_file_type";
5084 }
5085 if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
5086 if ($from_mode_str && $to_mode_str) {
5087 $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
5088 } elsif ($to_mode_str) {
5089 $mode_chnge .= " mode: $to_mode_str";
5090 }
5091 }
5092 $mode_chnge .= "]</span>\n";
5093 }
5094 print "<td>";
5095 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5096 hash_base=>$hash, file_name=>$diff->{'file'}),
5097 -class => "list"}, esc_path($diff->{'file'}));
5098 print "</td>\n";
5099 print "<td>$mode_chnge</td>\n";
5100 print "<td class=\"link\">";
5101 if ($action eq 'commitdiff') {
5102 # link to patch
5103 $patchno++;
5104 print $cgi->a({-href => href(-anchor=>"patch$patchno")},
5105 "patch") .
5106 " | ";
5107 } elsif ($diff->{'to_id'} ne $diff->{'from_id'}) {
5108 # "commit" view and modified file (not onlu mode changed)
5109 print $cgi->a({-href => href(action=>"blobdiff",
5110 hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'},
5111 hash_base=>$hash, hash_parent_base=>$parent,
5112 file_name=>$diff->{'file'})},
5113 "diff") .
5114 " | ";
5115 }
5116 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5117 hash_base=>$hash, file_name=>$diff->{'file'})},
5118 "blob") . " | ";
5119 if ($have_blame) {
5120 print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
5121 file_name=>$diff->{'file'})},
5122 "blame") . " | ";
5123 }
5124 print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
5125 file_name=>$diff->{'file'})},
5126 "history");
5127 print "</td>\n";
5128
5129 } elsif ($diff->{'status'} eq "R" || $diff->{'status'} eq "C") { # renamed or copied
5130 my %status_name = ('R' => 'moved', 'C' => 'copied');
5131 my $nstatus = $status_name{$diff->{'status'}};
5132 my $mode_chng = "";
5133 if ($diff->{'from_mode'} != $diff->{'to_mode'}) {
5134 # mode also for directories, so we cannot use $to_mode_str
5135 $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
5136 }
5137 print "<td>" .
5138 $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
5139 hash=>$diff->{'to_id'}, file_name=>$diff->{'to_file'}),
5140 -class => "list"}, esc_path($diff->{'to_file'})) . "</td>\n" .
5141 "<td><span class=\"file_status $nstatus\">[$nstatus from " .
5142 $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
5143 hash=>$diff->{'from_id'}, file_name=>$diff->{'from_file'}),
5144 -class => "list"}, esc_path($diff->{'from_file'})) .
5145 " with " . (int $diff->{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
5146 "<td class=\"link\">";
5147 if ($action eq 'commitdiff') {
5148 # link to patch
5149 $patchno++;
5150 print $cgi->a({-href => href(-anchor=>"patch$patchno")},
5151 "patch") .
5152 " | ";
5153 } elsif ($diff->{'to_id'} ne $diff->{'from_id'}) {
5154 # "commit" view and modified file (not only pure rename or copy)
5155 print $cgi->a({-href => href(action=>"blobdiff",
5156 hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'},
5157 hash_base=>$hash, hash_parent_base=>$parent,
5158 file_name=>$diff->{'to_file'}, file_parent=>$diff->{'from_file'})},
5159 "diff") .
5160 " | ";
5161 }
5162 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5163 hash_base=>$parent, file_name=>$diff->{'to_file'})},
5164 "blob") . " | ";
5165 if ($have_blame) {
5166 print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
5167 file_name=>$diff->{'to_file'})},
5168 "blame") . " | ";
5169 }
5170 print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
5171 file_name=>$diff->{'to_file'})},
5172 "history");
5173 print "</td>\n";
5174
5175 } # we should not encounter Unmerged (U) or Unknown (X) status
5176 print "</tr>\n";
5177 }
5178 print "</tbody>" if $has_header;
5179 print "</table>\n";
5180 }
5181
5182 # Print context lines and then rem/add lines in a side-by-side manner.
5183 sub print_sidebyside_diff_lines {
5184 my ($ctx, $rem, $add) = @_;
5185
5186 # print context block before add/rem block
5187 if (@$ctx) {
5188 print join '',
5189 '<div class="chunk_block ctx">',
5190 '<div class="old">',
5191 @$ctx,
5192 '</div>',
5193 '<div class="new">',
5194 @$ctx,
5195 '</div>',
5196 '</div>';
5197 }
5198
5199 if (!@$add) {
5200 # pure removal
5201 print join '',
5202 '<div class="chunk_block rem">',
5203 '<div class="old">',
5204 @$rem,
5205 '</div>',
5206 '</div>';
5207 } elsif (!@$rem) {
5208 # pure addition
5209 print join '',
5210 '<div class="chunk_block add">',
5211 '<div class="new">',
5212 @$add,
5213 '</div>',
5214 '</div>';
5215 } else {
5216 print join '',
5217 '<div class="chunk_block chg">',
5218 '<div class="old">',
5219 @$rem,
5220 '</div>',
5221 '<div class="new">',
5222 @$add,
5223 '</div>',
5224 '</div>';
5225 }
5226 }
5227
5228 # Print context lines and then rem/add lines in inline manner.
5229 sub print_inline_diff_lines {
5230 my ($ctx, $rem, $add) = @_;
5231
5232 print @$ctx, @$rem, @$add;
5233 }
5234
5235 # Format removed and added line, mark changed part and HTML-format them.
5236 # Implementation is based on contrib/diff-highlight
5237 sub format_rem_add_lines_pair {
5238 my ($rem, $add, $num_parents) = @_;
5239
5240 # We need to untabify lines before split()'ing them;
5241 # otherwise offsets would be invalid.
5242 chomp $rem;
5243 chomp $add;
5244 $rem = untabify($rem);
5245 $add = untabify($add);
5246
5247 my @rem = split(//, $rem);
5248 my @add = split(//, $add);
5249 my ($esc_rem, $esc_add);
5250 # Ignore leading +/- characters for each parent.
5251 my ($prefix_len, $suffix_len) = ($num_parents, 0);
5252 my ($prefix_has_nonspace, $suffix_has_nonspace);
5253
5254 my $shorter = (@rem < @add) ? @rem : @add;
5255 while ($prefix_len < $shorter) {
5256 last if ($rem[$prefix_len] ne $add[$prefix_len]);
5257
5258 $prefix_has_nonspace = 1 if ($rem[$prefix_len] !~ /\s/);
5259 $prefix_len++;
5260 }
5261
5262 while ($prefix_len + $suffix_len < $shorter) {
5263 last if ($rem[-1 - $suffix_len] ne $add[-1 - $suffix_len]);
5264
5265 $suffix_has_nonspace = 1 if ($rem[-1 - $suffix_len] !~ /\s/);
5266 $suffix_len++;
5267 }
5268
5269 # Mark lines that are different from each other, but have some common
5270 # part that isn't whitespace. If lines are completely different, don't
5271 # mark them because that would make output unreadable, especially if
5272 # diff consists of multiple lines.
5273 if ($prefix_has_nonspace || $suffix_has_nonspace) {
5274 $esc_rem = esc_html_hl_regions($rem, 'marked',
5275 [$prefix_len, @rem - $suffix_len], -nbsp=>1);
5276 $esc_add = esc_html_hl_regions($add, 'marked',
5277 [$prefix_len, @add - $suffix_len], -nbsp=>1);
5278 } else {
5279 $esc_rem = esc_html($rem, -nbsp=>1);
5280 $esc_add = esc_html($add, -nbsp=>1);
5281 }
5282
5283 return format_diff_line(\$esc_rem, 'rem'),
5284 format_diff_line(\$esc_add, 'add');
5285 }
5286
5287 # HTML-format diff context, removed and added lines.
5288 sub format_ctx_rem_add_lines {
5289 my ($ctx, $rem, $add, $num_parents) = @_;
5290 my (@new_ctx, @new_rem, @new_add);
5291 my $can_highlight = 0;
5292 my $is_combined = ($num_parents > 1);
5293
5294 # Highlight if every removed line has a corresponding added line.
5295 if (@$add > 0 && @$add == @$rem) {
5296 $can_highlight = 1;
5297
5298 # Highlight lines in combined diff only if the chunk contains
5299 # diff between the same version, e.g.
5300 #
5301 # - a
5302 # - b
5303 # + c
5304 # + d
5305 #
5306 # Otherwise the highlighting would be confusing.
5307 if ($is_combined) {
5308 for (my $i = 0; $i < @$add; $i++) {
5309 my $prefix_rem = substr($rem->[$i], 0, $num_parents);
5310 my $prefix_add = substr($add->[$i], 0, $num_parents);
5311
5312 $prefix_rem =~ s/-/+/g;
5313
5314 if ($prefix_rem ne $prefix_add) {
5315 $can_highlight = 0;
5316 last;
5317 }
5318 }
5319 }
5320 }
5321
5322 if ($can_highlight) {
5323 for (my $i = 0; $i < @$add; $i++) {
5324 my ($line_rem, $line_add) = format_rem_add_lines_pair(
5325 $rem->[$i], $add->[$i], $num_parents);
5326 push @new_rem, $line_rem;
5327 push @new_add, $line_add;
5328 }
5329 } else {
5330 @new_rem = map { format_diff_line($_, 'rem') } @$rem;
5331 @new_add = map { format_diff_line($_, 'add') } @$add;
5332 }
5333
5334 @new_ctx = map { format_diff_line($_, 'ctx') } @$ctx;
5335
5336 return (\@new_ctx, \@new_rem, \@new_add);
5337 }
5338
5339 # Print context lines and then rem/add lines.
5340 sub print_diff_lines {
5341 my ($ctx, $rem, $add, $diff_style, $num_parents) = @_;
5342 my $is_combined = $num_parents > 1;
5343
5344 ($ctx, $rem, $add) = format_ctx_rem_add_lines($ctx, $rem, $add,
5345 $num_parents);
5346
5347 if ($diff_style eq 'sidebyside' && !$is_combined) {
5348 print_sidebyside_diff_lines($ctx, $rem, $add);
5349 } else {
5350 # default 'inline' style and unknown styles
5351 print_inline_diff_lines($ctx, $rem, $add);
5352 }
5353 }
5354
5355 sub print_diff_chunk {
5356 my ($diff_style, $num_parents, $from, $to, @chunk) = @_;
5357 my (@ctx, @rem, @add);
5358
5359 # The class of the previous line.
5360 my $prev_class = '';
5361
5362 return unless @chunk;
5363
5364 # incomplete last line might be among removed or added lines,
5365 # or both, or among context lines: find which
5366 for (my $i = 1; $i < @chunk; $i++) {
5367 if ($chunk[$i][0] eq 'incomplete') {
5368 $chunk[$i][0] = $chunk[$i-1][0];
5369 }
5370 }
5371
5372 # guardian
5373 push @chunk, ["", ""];
5374
5375 foreach my $line_info (@chunk) {
5376 my ($class, $line) = @$line_info;
5377
5378 # print chunk headers
5379 if ($class && $class eq 'chunk_header') {
5380 print format_diff_line($line, $class, $from, $to);
5381 next;
5382 }
5383
5384 ## print from accumulator when have some add/rem lines or end
5385 # of chunk (flush context lines), or when have add and rem
5386 # lines and new block is reached (otherwise add/rem lines could
5387 # be reordered)
5388 if (!$class || ((@rem || @add) && $class eq 'ctx') ||
5389 (@rem && @add && $class ne $prev_class)) {
5390 print_diff_lines(\@ctx, \@rem, \@add,
5391 $diff_style, $num_parents);
5392 @ctx = @rem = @add = ();
5393 }
5394
5395 ## adding lines to accumulator
5396 # guardian value
5397 last unless $line;
5398 # rem, add or change
5399 if ($class eq 'rem') {
5400 push @rem, $line;
5401 } elsif ($class eq 'add') {
5402 push @add, $line;
5403 }
5404 # context line
5405 if ($class eq 'ctx') {
5406 push @ctx, $line;
5407 }
5408
5409 $prev_class = $class;
5410 }
5411 }
5412
5413 sub git_patchset_body {
5414 my ($fd, $diff_style, $difftree, $hash, @hash_parents) = @_;
5415 my ($hash_parent) = $hash_parents[0];
5416
5417 my $is_combined = (@hash_parents > 1);
5418 my $patch_idx = 0;
5419 my $patch_number = 0;
5420 my $patch_line;
5421 my $diffinfo;
5422 my $to_name;
5423 my (%from, %to);
5424 my @chunk; # for side-by-side diff
5425
5426 print "<div class=\"patchset\">\n";
5427
5428 # skip to first patch
5429 while ($patch_line = <$fd>) {
5430 chomp $patch_line;
5431
5432 last if ($patch_line =~ m/^diff /);
5433 }
5434
5435 PATCH:
5436 while ($patch_line) {
5437
5438 # parse "git diff" header line
5439 if ($patch_line =~ m/^diff --git (\"(?:[^\\\"]*(?:\\.[^\\\"]*)*)\"|[^ "]*) (.*)$/) {
5440 # $1 is from_name, which we do not use
5441 $to_name = unquote($2);
5442 $to_name =~ s!^b/!!;
5443 } elsif ($patch_line =~ m/^diff --(cc|combined) ("?.*"?)$/) {
5444 # $1 is 'cc' or 'combined', which we do not use
5445 $to_name = unquote($2);
5446 } else {
5447 $to_name = undef;
5448 }
5449
5450 # check if current patch belong to current raw line
5451 # and parse raw git-diff line if needed
5452 if (is_patch_split($diffinfo, { 'to_file' => $to_name })) {
5453 # this is continuation of a split patch
5454 print "<div class=\"patch cont\">\n";
5455 } else {
5456 # advance raw git-diff output if needed
5457 $patch_idx++ if defined $diffinfo;
5458
5459 # read and prepare patch information
5460 $diffinfo = parsed_difftree_line($difftree->[$patch_idx]);
5461
5462 # compact combined diff output can have some patches skipped
5463 # find which patch (using pathname of result) we are at now;
5464 if ($is_combined) {
5465 while ($to_name ne $diffinfo->{'to_file'}) {
5466 print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n" .
5467 format_diff_cc_simplified($diffinfo, @hash_parents) .
5468 "</div>\n"; # class="patch"
5469
5470 $patch_idx++;
5471 $patch_number++;
5472
5473 last if $patch_idx > $#$difftree;
5474 $diffinfo = parsed_difftree_line($difftree->[$patch_idx]);
5475 }
5476 }
5477
5478 # modifies %from, %to hashes
5479 parse_from_to_diffinfo($diffinfo, \%from, \%to, @hash_parents);
5480
5481 # this is first patch for raw difftree line with $patch_idx index
5482 # we index @$difftree array from 0, but number patches from 1
5483 print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n";
5484 }
5485
5486 # git diff header
5487 #assert($patch_line =~ m/^diff /) if DEBUG;
5488 #assert($patch_line !~ m!$/$!) if DEBUG; # is chomp-ed
5489 $patch_number++;
5490 # print "git diff" header
5491 print format_git_diff_header_line($patch_line, $diffinfo,
5492 \%from, \%to);
5493
5494 # print extended diff header
5495 print "<div class=\"diff extended_header\">\n";
5496 EXTENDED_HEADER:
5497 while ($patch_line = <$fd>) {
5498 chomp $patch_line;
5499
5500 last EXTENDED_HEADER if ($patch_line =~ m/^--- |^diff /);
5501
5502 print format_extended_diff_header_line($patch_line, $diffinfo,
5503 \%from, \%to);
5504 }
5505 print "</div>\n"; # class="diff extended_header"
5506
5507 # from-file/to-file diff header
5508 if (! $patch_line) {
5509 print "</div>\n"; # class="patch"
5510 last PATCH;
5511 }
5512 next PATCH if ($patch_line =~ m/^diff /);
5513 #assert($patch_line =~ m/^---/) if DEBUG;
5514
5515 my $last_patch_line = $patch_line;
5516 $patch_line = <$fd>;
5517 chomp $patch_line;
5518 #assert($patch_line =~ m/^\+\+\+/) if DEBUG;
5519
5520 print format_diff_from_to_header($last_patch_line, $patch_line,
5521 $diffinfo, \%from, \%to,
5522 @hash_parents);
5523
5524 # the patch itself
5525 LINE:
5526 while ($patch_line = <$fd>) {
5527 chomp $patch_line;
5528
5529 next PATCH if ($patch_line =~ m/^diff /);
5530
5531 my $class = diff_line_class($patch_line, \%from, \%to);
5532
5533 if ($class eq 'chunk_header') {
5534 print_diff_chunk($diff_style, scalar @hash_parents, \%from, \%to, @chunk);
5535 @chunk = ();
5536 }
5537
5538 push @chunk, [ $class, $patch_line ];
5539 }
5540
5541 } continue {
5542 if (@chunk) {
5543 print_diff_chunk($diff_style, scalar @hash_parents, \%from, \%to, @chunk);
5544 @chunk = ();
5545 }
5546 print "</div>\n"; # class="patch"
5547 }
5548
5549 # for compact combined (--cc) format, with chunk and patch simplification
5550 # the patchset might be empty, but there might be unprocessed raw lines
5551 for (++$patch_idx if $patch_number > 0;
5552 $patch_idx < @$difftree;
5553 ++$patch_idx) {
5554 # read and prepare patch information
5555 $diffinfo = parsed_difftree_line($difftree->[$patch_idx]);
5556
5557 # generate anchor for "patch" links in difftree / whatchanged part
5558 print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n" .
5559 format_diff_cc_simplified($diffinfo, @hash_parents) .
5560 "</div>\n"; # class="patch"
5561
5562 $patch_number++;
5563 }
5564
5565 if ($patch_number == 0) {
5566 if (@hash_parents > 1) {
5567 print "<div class=\"diff nodifferences\">Trivial merge</div>\n";
5568 } else {
5569 print "<div class=\"diff nodifferences\">No differences found</div>\n";
5570 }
5571 }
5572
5573 print "</div>\n"; # class="patchset"
5574 }
5575
5576 # . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5577
5578 sub git_project_search_form {
5579 my ($searchtext, $search_use_regexp) = @_;
5580
5581 my $limit = '';
5582 if ($project_filter) {
5583 $limit = " in '$project_filter/'";
5584 }
5585
5586 print "<div class=\"projsearch\">\n";
5587 print $cgi->start_form(-method => 'get', -action => $my_uri) .
5588 $cgi->hidden(-name => 'a', -value => 'project_list') . "\n";
5589 print $cgi->hidden(-name => 'pf', -value => $project_filter). "\n"
5590 if (defined $project_filter);
5591 print $cgi->textfield(-name => 's', -value => $searchtext,
5592 -title => "Search project by name and description$limit",
5593 -size => 60) . "\n" .
5594 "<span title=\"Extended regular expression\">" .
5595 $cgi->checkbox(-name => 'sr', -value => 1, -label => 're',
5596 -checked => $search_use_regexp) .
5597 "</span>\n" .
5598 $cgi->submit(-name => 'btnS', -value => 'Search') .
5599 $cgi->end_form() . "\n" .
5600 $cgi->a({-href => href(project => undef, searchtext => undef,
5601 project_filter => $project_filter)},
5602 esc_html("List all projects$limit")) . "<br />\n";
5603 print "</div>\n";
5604 }
5605
5606 # entry for given @keys needs filling if at least one of keys in list
5607 # is not present in %$project_info
5608 sub project_info_needs_filling {
5609 my ($project_info, @keys) = @_;
5610
5611 # return List::MoreUtils::any { !exists $project_info->{$_} } @keys;
5612 foreach my $key (@keys) {
5613 if (!exists $project_info->{$key}) {
5614 return 1;
5615 }
5616 }
5617 return;
5618 }
5619
5620 # fills project list info (age, description, owner, category, forks, etc.)
5621 # for each project in the list, removing invalid projects from
5622 # returned list, or fill only specified info.
5623 #
5624 # Invalid projects are removed from the returned list if and only if you
5625 # ask 'age' or 'age_string' to be filled, because they are the only fields
5626 # that run unconditionally git command that requires repository, and
5627 # therefore do always check if project repository is invalid.
5628 #
5629 # USAGE:
5630 # * fill_project_list_info(\@project_list, 'descr_long', 'ctags')
5631 # ensures that 'descr_long' and 'ctags' fields are filled
5632 # * @project_list = fill_project_list_info(\@project_list)
5633 # ensures that all fields are filled (and invalid projects removed)
5634 #
5635 # NOTE: modifies $projlist, but does not remove entries from it
5636 sub fill_project_list_info {
5637 my ($projlist, @wanted_keys) = @_;
5638 my @projects;
5639 my $filter_set = sub { return @_; };
5640 if (@wanted_keys) {
5641 my %wanted_keys = map { $_ => 1 } @wanted_keys;
5642 $filter_set = sub { return grep { $wanted_keys{$_} } @_; };
5643 }
5644
5645 my $show_ctags = gitweb_check_feature('ctags');
5646 PROJECT:
5647 foreach my $pr (@$projlist) {
5648 if (project_info_needs_filling($pr, $filter_set->('age', 'age_string'))) {
5649 my (@activity) = git_get_last_activity($pr->{'path'});
5650 unless (@activity) {
5651 next PROJECT;
5652 }
5653 ($pr->{'age'}, $pr->{'age_string'}) = @activity;
5654 }
5655 if (project_info_needs_filling($pr, $filter_set->('descr', 'descr_long'))) {
5656 my $descr = git_get_project_description($pr->{'path'}) || "";
5657 $descr = to_utf8($descr);
5658 $pr->{'descr_long'} = $descr;
5659 $pr->{'descr'} = chop_str($descr, $projects_list_description_width, 5);
5660 }
5661 if (project_info_needs_filling($pr, $filter_set->('owner'))) {
5662 $pr->{'owner'} = git_get_project_owner("$pr->{'path'}") || "";
5663 }
5664 if ($show_ctags &&
5665 project_info_needs_filling($pr, $filter_set->('ctags'))) {
5666 $pr->{'ctags'} = git_get_project_ctags($pr->{'path'});
5667 }
5668 if ($projects_list_group_categories &&
5669 project_info_needs_filling($pr, $filter_set->('category'))) {
5670 my $cat = git_get_project_category($pr->{'path'}) ||
5671 $project_list_default_category;
5672 $pr->{'category'} = to_utf8($cat);
5673 }
5674
5675 push @projects, $pr;
5676 }
5677
5678 return @projects;
5679 }
5680
5681 sub sort_projects_list {
5682 my ($projlist, $order) = @_;
5683
5684 sub order_str {
5685 my $key = shift;
5686 return sub { $a->{$key} cmp $b->{$key} };
5687 }
5688
5689 sub order_num_then_undef {
5690 my $key = shift;
5691 return sub {
5692 defined $a->{$key} ?
5693 (defined $b->{$key} ? $a->{$key} <=> $b->{$key} : -1) :
5694 (defined $b->{$key} ? 1 : 0)
5695 };
5696 }
5697
5698 my %orderings = (
5699 project => order_str('path'),
5700 descr => order_str('descr_long'),
5701 owner => order_str('owner'),
5702 age => order_num_then_undef('age'),
5703 );
5704
5705 my $ordering = $orderings{$order};
5706 return defined $ordering ? sort $ordering @$projlist : @$projlist;
5707 }
5708
5709 # returns a hash of categories, containing the list of project
5710 # belonging to each category
5711 sub build_projlist_by_category {
5712 my ($projlist, $from, $to) = @_;
5713 my %categories;
5714
5715 $from = 0 unless defined $from;
5716 $to = $#$projlist if (!defined $to || $#$projlist < $to);
5717
5718 for (my $i = $from; $i <= $to; $i++) {
5719 my $pr = $projlist->[$i];
5720 push @{$categories{ $pr->{'category'} }}, $pr;
5721 }
5722
5723 return wantarray ? %categories : \%categories;
5724 }
5725
5726 # print 'sort by' <th> element, generating 'sort by $name' replay link
5727 # if that order is not selected
5728 sub print_sort_th {
5729 print format_sort_th(@_);
5730 }
5731
5732 sub format_sort_th {
5733 my ($name, $order, $header) = @_;
5734 my $sort_th = "";
5735 $header ||= ucfirst($name);
5736
5737 if ($order eq $name) {
5738 $sort_th .= "<th>$header</th>\n";
5739 } else {
5740 $sort_th .= "<th>" .
5741 $cgi->a({-href => href(-replay=>1, order=>$name),
5742 -class => "header"}, $header) .
5743 "</th>\n";
5744 }
5745
5746 return $sort_th;
5747 }
5748
5749 sub git_project_list_rows {
5750 my ($projlist, $from, $to, $check_forks) = @_;
5751
5752 $from = 0 unless defined $from;
5753 $to = $#$projlist if (!defined $to || $#$projlist < $to);
5754
5755 my $alternate = 1;
5756 for (my $i = $from; $i <= $to; $i++) {
5757 my $pr = $projlist->[$i];
5758
5759 if ($alternate) {
5760 print "<tr class=\"dark\">\n";
5761 } else {
5762 print "<tr class=\"light\">\n";
5763 }
5764 $alternate ^= 1;
5765
5766 if ($check_forks) {
5767 print "<td>";
5768 if ($pr->{'forks'}) {
5769 my $nforks = scalar @{$pr->{'forks'}};
5770 if ($nforks > 0) {
5771 print $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks"),
5772 -title => "$nforks forks"}, "+");
5773 } else {
5774 print $cgi->span({-title => "$nforks forks"}, "+");
5775 }
5776 }
5777 print "</td>\n";
5778 }
5779 print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
5780 -class => "list"},
5781 esc_html_match_hl($pr->{'path'}, $search_regexp)) .
5782 "</td>\n" .
5783 "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
5784 -class => "list",
5785 -title => $pr->{'descr_long'}},
5786 $search_regexp
5787 ? esc_html_match_hl_chopped($pr->{'descr_long'},
5788 $pr->{'descr'}, $search_regexp)
5789 : esc_html($pr->{'descr'})) .
5790 "</td>\n";
5791 unless ($omit_owner) {
5792 print "<td><i>" . chop_and_escape_str($pr->{'owner'}, 15) . "</i></td>\n";
5793 }
5794 unless ($omit_age_column) {
5795 print "<td class=\"". age_class($pr->{'age'}) . "\">" .
5796 (defined $pr->{'age_string'} ? $pr->{'age_string'} : "No commits") . "</td>\n";
5797 }
5798 print"<td class=\"link\">" .
5799 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary") . " | " .
5800 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
5801 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " .
5802 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") .
5803 ($pr->{'forks'} ? " | " . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks")}, "forks") : '') .
5804 "</td>\n" .
5805 "</tr>\n";
5806 }
5807 }
5808
5809 sub git_project_list_body {
5810 # actually uses global variable $project
5811 my ($projlist, $order, $from, $to, $extra, $no_header) = @_;
5812 my @projects = @$projlist;
5813
5814 my $check_forks = gitweb_check_feature('forks');
5815 my $show_ctags = gitweb_check_feature('ctags');
5816 my $tagfilter = $show_ctags ? $input_params{'ctag'} : undef;
5817 $check_forks = undef
5818 if ($tagfilter || $search_regexp);
5819
5820 # filtering out forks before filling info allows to do less work
5821 @projects = filter_forks_from_projects_list(\@projects)
5822 if ($check_forks);
5823 # search_projects_list pre-fills required info
5824 @projects = search_projects_list(\@projects,
5825 'search_regexp' => $search_regexp,
5826 'tagfilter' => $tagfilter)
5827 if ($tagfilter || $search_regexp);
5828 # fill the rest
5829 my @all_fields = ('descr', 'descr_long', 'ctags', 'category');
5830 push @all_fields, ('age', 'age_string') unless($omit_age_column);
5831 push @all_fields, 'owner' unless($omit_owner);
5832 @projects = fill_project_list_info(\@projects, @all_fields);
5833
5834 $order ||= $default_projects_order;
5835 $from = 0 unless defined $from;
5836 $to = $#projects if (!defined $to || $#projects < $to);
5837
5838 # short circuit
5839 if ($from > $to) {
5840 print "<center>\n".
5841 "<b>No such projects found</b><br />\n".
5842 "Click ".$cgi->a({-href=>href(project=>undef)},"here")." to view all projects<br />\n".
5843 "</center>\n<br />\n";
5844 return;
5845 }
5846
5847 @projects = sort_projects_list(\@projects, $order);
5848
5849 if ($show_ctags) {
5850 my $ctags = git_gather_all_ctags(\@projects);
5851 my $cloud = git_populate_project_tagcloud($ctags);
5852 print git_show_project_tagcloud($cloud, 64);
5853 }
5854
5855 print "<table class=\"project_list\">\n";
5856 unless ($no_header) {
5857 print "<tr>\n";
5858 if ($check_forks) {
5859 print "<th></th>\n";
5860 }
5861 print_sort_th('project', $order, 'Project');
5862 print_sort_th('descr', $order, 'Description');
5863 print_sort_th('owner', $order, 'Owner') unless $omit_owner;
5864 print_sort_th('age', $order, 'Last Change') unless $omit_age_column;
5865 print "<th></th>\n" . # for links
5866 "</tr>\n";
5867 }
5868
5869 if ($projects_list_group_categories) {
5870 # only display categories with projects in the $from-$to window
5871 @projects = sort {$a->{'category'} cmp $b->{'category'}} @projects[$from..$to];
5872 my %categories = build_projlist_by_category(\@projects, $from, $to);
5873 foreach my $cat (sort keys %categories) {
5874 unless ($cat eq "") {
5875 print "<tr>\n";
5876 if ($check_forks) {
5877 print "<td></td>\n";
5878 }
5879 print "<td class=\"category\" colspan=\"5\">".esc_html($cat)."</td>\n";
5880 print "</tr>\n";
5881 }
5882
5883 git_project_list_rows($categories{$cat}, undef, undef, $check_forks);
5884 }
5885 } else {
5886 git_project_list_rows(\@projects, $from, $to, $check_forks);
5887 }
5888
5889 if (defined $extra) {
5890 print "<tr>\n";
5891 if ($check_forks) {
5892 print "<td></td>\n";
5893 }
5894 print "<td colspan=\"5\">$extra</td>\n" .
5895 "</tr>\n";
5896 }
5897 print "</table>\n";
5898 }
5899
5900 sub git_log_body {
5901 # uses global variable $project
5902 my ($commitlist, $from, $to, $refs, $extra) = @_;
5903
5904 $from = 0 unless defined $from;
5905 $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to);
5906
5907 for (my $i = 0; $i <= $to; $i++) {
5908 my %co = %{$commitlist->[$i]};
5909 next if !%co;
5910 my $commit = $co{'id'};
5911 my $ref = format_ref_marker($refs, $commit);
5912 git_print_header_div('commit',
5913 "<span class=\"age\">$co{'age_string'}</span>" .
5914 esc_html($co{'title'}) . $ref,
5915 $commit);
5916 print "<div class=\"title_text\">\n" .
5917 "<div class=\"log_link\">\n" .
5918 $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
5919 " | " .
5920 $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
5921 " | " .
5922 $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") .
5923 "</div>\n";
5924 git_print_authorship(\%co, -tag => 'span');
5925 print "</div>\n";
5926
5927 print "<div class=\"log_body\">\n";
5928 git_print_log($co{'comment'});
5929 print "</div>\n";
5930 }
5931 if ($extra) {
5932 print "<div class=\"page_nav\">\n";
5933 print "$extra\n";
5934 print "</div>\n";
5935 }
5936 }
5937
5938 sub git_shortlog_body {
5939 # uses global variable $project
5940 my ($commitlist, $from, $to, $refs, $extra) = @_;
5941
5942 $from = 0 unless defined $from;
5943 $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to);
5944
5945 print "<table class=\"shortlog\">\n";
5946 my $alternate = 1;
5947 for (my $i = $from; $i <= $to; $i++) {
5948 my %co = %{$commitlist->[$i]};
5949 my $commit = $co{'id'};
5950 my $ref = format_ref_marker($refs, $commit);
5951 if ($alternate) {
5952 print "<tr class=\"dark\">\n";
5953 } else {
5954 print "<tr class=\"light\">\n";
5955 }
5956 $alternate ^= 1;
5957 # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
5958 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
5959 format_author_html('td', \%co, 10) . "<td>";
5960 print format_subject_html($co{'title'}, $co{'title_short'},
5961 href(action=>"commit", hash=>$commit), $ref);
5962 print "</td>\n" .
5963 "<td class=\"link\">" .
5964 $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
5965 $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
5966 $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree");
5967 my $snapshot_links = format_snapshot_links($commit);
5968 if (defined $snapshot_links) {
5969 print " | " . $snapshot_links;
5970 }
5971 print "</td>\n" .
5972 "</tr>\n";
5973 }
5974 if (defined $extra) {
5975 print "<tr>\n" .
5976 "<td colspan=\"4\">$extra</td>\n" .
5977 "</tr>\n";
5978 }
5979 print "</table>\n";
5980 }
5981
5982 sub git_history_body {
5983 # Warning: assumes constant type (blob or tree) during history
5984 my ($commitlist, $from, $to, $refs, $extra,
5985 $file_name, $file_hash, $ftype) = @_;
5986
5987 $from = 0 unless defined $from;
5988 $to = $#{$commitlist} unless (defined $to && $to <= $#{$commitlist});
5989
5990 print "<table class=\"history\">\n";
5991 my $alternate = 1;
5992 for (my $i = $from; $i <= $to; $i++) {
5993 my %co = %{$commitlist->[$i]};
5994 if (!%co) {
5995 next;
5996 }
5997 my $commit = $co{'id'};
5998
5999 my $ref = format_ref_marker($refs, $commit);
6000
6001 if ($alternate) {
6002 print "<tr class=\"dark\">\n";
6003 } else {
6004 print "<tr class=\"light\">\n";
6005 }
6006 $alternate ^= 1;
6007 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
6008 # shortlog: format_author_html('td', \%co, 10)
6009 format_author_html('td', \%co, 15, 3) . "<td>";
6010 # originally git_history used chop_str($co{'title'}, 50)
6011 print format_subject_html($co{'title'}, $co{'title_short'},
6012 href(action=>"commit", hash=>$commit), $ref);
6013 print "</td>\n" .
6014 "<td class=\"link\">" .
6015 $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype) . " | " .
6016 $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
6017
6018 if ($ftype eq 'blob') {
6019 print " | " .
6020 $cgi->a({-href => href(action=>"blob_plain", hash_base=>$commit, file_name=>$file_name)}, "raw");
6021
6022 my $blob_current = $file_hash;
6023 my $blob_parent = git_get_hash_by_path($commit, $file_name);
6024 if (defined $blob_current && defined $blob_parent &&
6025 $blob_current ne $blob_parent) {
6026 print " | " .
6027 $cgi->a({-href => href(action=>"blobdiff",
6028 hash=>$blob_current, hash_parent=>$blob_parent,
6029 hash_base=>$hash_base, hash_parent_base=>$commit,
6030 file_name=>$file_name)},
6031 "diff to current");
6032 }
6033 }
6034 print "</td>\n" .
6035 "</tr>\n";
6036 }
6037 if (defined $extra) {
6038 print "<tr>\n" .
6039 "<td colspan=\"4\">$extra</td>\n" .
6040 "</tr>\n";
6041 }
6042 print "</table>\n";
6043 }
6044
6045 sub git_tags_body {
6046 # uses global variable $project
6047 my ($taglist, $from, $to, $extra) = @_;
6048 $from = 0 unless defined $from;
6049 $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
6050
6051 print "<table class=\"tags\">\n";
6052 my $alternate = 1;
6053 for (my $i = $from; $i <= $to; $i++) {
6054 my $entry = $taglist->[$i];
6055 my %tag = %$entry;
6056 my $comment = $tag{'subject'};
6057 my $comment_short;
6058 if (defined $comment) {
6059 $comment_short = chop_str($comment, 30, 5);
6060 }
6061 if ($alternate) {
6062 print "<tr class=\"dark\">\n";
6063 } else {
6064 print "<tr class=\"light\">\n";
6065 }
6066 $alternate ^= 1;
6067 if (defined $tag{'age'}) {
6068 print "<td><i>$tag{'age'}</i></td>\n";
6069 } else {
6070 print "<td></td>\n";
6071 }
6072 print "<td>" .
6073 $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
6074 -class => "list name"}, esc_html($tag{'name'})) .
6075 "</td>\n" .
6076 "<td>";
6077 if (defined $comment) {
6078 print format_subject_html($comment, $comment_short,
6079 href(action=>"tag", hash=>$tag{'id'}));
6080 }
6081 print "</td>\n" .
6082 "<td class=\"selflink\">";
6083 if ($tag{'type'} eq "tag") {
6084 print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
6085 } else {
6086 print "&nbsp;";
6087 }
6088 print "</td>\n" .
6089 "<td class=\"link\">" . " | " .
6090 $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
6091 if ($tag{'reftype'} eq "commit") {
6092 print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'fullname'})}, "shortlog") .
6093 " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'fullname'})}, "log");
6094 } elsif ($tag{'reftype'} eq "blob") {
6095 print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
6096 }
6097 print "</td>\n" .
6098 "</tr>";
6099 }
6100 if (defined $extra) {
6101 print "<tr>\n" .
6102 "<td colspan=\"5\">$extra</td>\n" .
6103 "</tr>\n";
6104 }
6105 print "</table>\n";
6106 }
6107
6108 sub git_heads_body {
6109 # uses global variable $project
6110 my ($headlist, $head_at, $from, $to, $extra) = @_;
6111 $from = 0 unless defined $from;
6112 $to = $#{$headlist} if (!defined $to || $#{$headlist} < $to);
6113
6114 print "<table class=\"heads\">\n";
6115 my $alternate = 1;
6116 for (my $i = $from; $i <= $to; $i++) {
6117 my $entry = $headlist->[$i];
6118 my %ref = %$entry;
6119 my $curr = defined $head_at && $ref{'id'} eq $head_at;
6120 if ($alternate) {
6121 print "<tr class=\"dark\">\n";
6122 } else {
6123 print "<tr class=\"light\">\n";
6124 }
6125 $alternate ^= 1;
6126 print "<td><i>$ref{'age'}</i></td>\n" .
6127 ($curr ? "<td class=\"current_head\">" : "<td>") .
6128 $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'fullname'}),
6129 -class => "list name"},esc_html($ref{'name'})) .
6130 "</td>\n" .
6131 "<td class=\"link\">" .
6132 $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'fullname'})}, "shortlog") . " | " .
6133 $cgi->a({-href => href(action=>"log", hash=>$ref{'fullname'})}, "log") . " | " .
6134 $cgi->a({-href => href(action=>"tree", hash=>$ref{'fullname'}, hash_base=>$ref{'fullname'})}, "tree") .
6135 "</td>\n" .
6136 "</tr>";
6137 }
6138 if (defined $extra) {
6139 print "<tr>\n" .
6140 "<td colspan=\"3\">$extra</td>\n" .
6141 "</tr>\n";
6142 }
6143 print "</table>\n";
6144 }
6145
6146 # Display a single remote block
6147 sub git_remote_block {
6148 my ($remote, $rdata, $limit, $head) = @_;
6149
6150 my $heads = $rdata->{'heads'};
6151 my $fetch = $rdata->{'fetch'};
6152 my $push = $rdata->{'push'};
6153
6154 my $urls_table = "<table class=\"projects_list\">\n" ;
6155
6156 if (defined $fetch) {
6157 if ($fetch eq $push) {
6158 $urls_table .= format_repo_url("URL", $fetch);
6159 } else {
6160 $urls_table .= format_repo_url("Fetch URL", $fetch);
6161 $urls_table .= format_repo_url("Push URL", $push) if defined $push;
6162 }
6163 } elsif (defined $push) {
6164 $urls_table .= format_repo_url("Push URL", $push);
6165 } else {
6166 $urls_table .= format_repo_url("", "No remote URL");
6167 }
6168
6169 $urls_table .= "</table>\n";
6170
6171 my $dots;
6172 if (defined $limit && $limit < @$heads) {
6173 $dots = $cgi->a({-href => href(action=>"remotes", hash=>$remote)}, "...");
6174 }
6175
6176 print $urls_table;
6177 git_heads_body($heads, $head, 0, $limit, $dots);
6178 }
6179
6180 # Display a list of remote names with the respective fetch and push URLs
6181 sub git_remotes_list {
6182 my ($remotedata, $limit) = @_;
6183 print "<table class=\"heads\">\n";
6184 my $alternate = 1;
6185 my @remotes = sort keys %$remotedata;
6186
6187 my $limited = $limit && $limit < @remotes;
6188
6189 $#remotes = $limit - 1 if $limited;
6190
6191 while (my $remote = shift @remotes) {
6192 my $rdata = $remotedata->{$remote};
6193 my $fetch = $rdata->{'fetch'};
6194 my $push = $rdata->{'push'};
6195 if ($alternate) {
6196 print "<tr class=\"dark\">\n";
6197 } else {
6198 print "<tr class=\"light\">\n";
6199 }
6200 $alternate ^= 1;
6201 print "<td>" .
6202 $cgi->a({-href=> href(action=>'remotes', hash=>$remote),
6203 -class=> "list name"},esc_html($remote)) .
6204 "</td>";
6205 print "<td class=\"link\">" .
6206 (defined $fetch ? $cgi->a({-href=> $fetch}, "fetch") : "fetch") .
6207 " | " .
6208 (defined $push ? $cgi->a({-href=> $push}, "push") : "push") .
6209 "</td>";
6210
6211 print "</tr>\n";
6212 }
6213
6214 if ($limited) {
6215 print "<tr>\n" .
6216 "<td colspan=\"3\">" .
6217 $cgi->a({-href => href(action=>"remotes")}, "...") .
6218 "</td>\n" . "</tr>\n";
6219 }
6220
6221 print "</table>";
6222 }
6223
6224 # Display remote heads grouped by remote, unless there are too many
6225 # remotes, in which case we only display the remote names
6226 sub git_remotes_body {
6227 my ($remotedata, $limit, $head) = @_;
6228 if ($limit and $limit < keys %$remotedata) {
6229 git_remotes_list($remotedata, $limit);
6230 } else {
6231 fill_remote_heads($remotedata);
6232 while (my ($remote, $rdata) = each %$remotedata) {
6233 git_print_section({-class=>"remote", -id=>$remote},
6234 ["remotes", $remote, $remote], sub {
6235 git_remote_block($remote, $rdata, $limit, $head);
6236 });
6237 }
6238 }
6239 }
6240
6241 sub git_search_message {
6242 my %co = @_;
6243
6244 my $greptype;
6245 if ($searchtype eq 'commit') {
6246 $greptype = "--grep=";
6247 } elsif ($searchtype eq 'author') {
6248 $greptype = "--author=";
6249 } elsif ($searchtype eq 'committer') {
6250 $greptype = "--committer=";
6251 }
6252 $greptype .= $searchtext;
6253 my @commitlist = parse_commits($hash, 101, (100 * $page), undef,
6254 $greptype, '--regexp-ignore-case',
6255 $search_use_regexp ? '--extended-regexp' : '--fixed-strings');
6256
6257 my $paging_nav = '';
6258 if ($page > 0) {
6259 $paging_nav .=
6260 $cgi->a({-href => href(-replay=>1, page=>undef)},
6261 "first") .
6262 " &sdot; " .
6263 $cgi->a({-href => href(-replay=>1, page=>$page-1),
6264 -accesskey => "p", -title => "Alt-p"}, "prev");
6265 } else {
6266 $paging_nav .= "first &sdot; prev";
6267 }
6268 my $next_link = '';
6269 if ($#commitlist >= 100) {
6270 $next_link =
6271 $cgi->a({-href => href(-replay=>1, page=>$page+1),
6272 -accesskey => "n", -title => "Alt-n"}, "next");
6273 $paging_nav .= " &sdot; $next_link";
6274 } else {
6275 $paging_nav .= " &sdot; next";
6276 }
6277
6278 git_header_html();
6279
6280 git_print_page_nav('','', $hash,$co{'tree'},$hash, $paging_nav);
6281 git_print_header_div('commit', esc_html($co{'title'}), $hash);
6282 if ($page == 0 && !@commitlist) {
6283 print "<p>No match.</p>\n";
6284 } else {
6285 git_search_grep_body(\@commitlist, 0, 99, $next_link);
6286 }
6287
6288 git_footer_html();
6289 }
6290
6291 sub git_search_changes {
6292 my %co = @_;
6293
6294 local $/ = "\n";
6295 open my $fd, '-|', git_cmd(), '--no-pager', 'log', @diff_opts,
6296 '--pretty=format:%H', '--no-abbrev', '--raw', "-S$searchtext",
6297 ($search_use_regexp ? '--pickaxe-regex' : ())
6298 or die_error(500, "Open git-log failed");
6299
6300 git_header_html();
6301
6302 git_print_page_nav('','', $hash,$co{'tree'},$hash);
6303 git_print_header_div('commit', esc_html($co{'title'}), $hash);
6304
6305 print "<table class=\"pickaxe search\">\n";
6306 my $alternate = 1;
6307 undef %co;
6308 my @files;
6309 while (my $line = <$fd>) {
6310 chomp $line;
6311 next unless $line;
6312
6313 my %set = parse_difftree_raw_line($line);
6314 if (defined $set{'commit'}) {
6315 # finish previous commit
6316 if (%co) {
6317 print "</td>\n" .
6318 "<td class=\"link\">" .
6319 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})},
6320 "commit") .
6321 " | " .
6322 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'},
6323 hash_base=>$co{'id'})},
6324 "tree") .
6325 "</td>\n" .
6326 "</tr>\n";
6327 }
6328
6329 if ($alternate) {
6330 print "<tr class=\"dark\">\n";
6331 } else {
6332 print "<tr class=\"light\">\n";
6333 }
6334 $alternate ^= 1;
6335 %co = parse_commit($set{'commit'});
6336 my $author = chop_and_escape_str($co{'author_name'}, 15, 5);
6337 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
6338 "<td><i>$author</i></td>\n" .
6339 "<td>" .
6340 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
6341 -class => "list subject"},
6342 chop_and_escape_str($co{'title'}, 50) . "<br/>");
6343 } elsif (defined $set{'to_id'}) {
6344 next if is_deleted(\%set);
6345
6346 print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
6347 hash=>$set{'to_id'}, file_name=>$set{'to_file'}),
6348 -class => "list"},
6349 "<span class=\"match\">" . esc_path($set{'file'}) . "</span>") .
6350 "<br/>\n";
6351 }
6352 }
6353 close $fd;
6354
6355 # finish last commit (warning: repetition!)
6356 if (%co) {
6357 print "</td>\n" .
6358 "<td class=\"link\">" .
6359 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})},
6360 "commit") .
6361 " | " .
6362 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'},
6363 hash_base=>$co{'id'})},
6364 "tree") .
6365 "</td>\n" .
6366 "</tr>\n";
6367 }
6368
6369 print "</table>\n";
6370
6371 git_footer_html();
6372 }
6373
6374 sub git_search_files {
6375 my %co = @_;
6376
6377 local $/ = "\n";
6378 open my $fd, "-|", git_cmd(), 'grep', '-n', '-z',
6379 $search_use_regexp ? ('-E', '-i') : '-F',
6380 $searchtext, $co{'tree'}
6381 or die_error(500, "Open git-grep failed");
6382
6383 git_header_html();
6384
6385 git_print_page_nav('','', $hash,$co{'tree'},$hash);
6386 git_print_header_div('commit', esc_html($co{'title'}), $hash);
6387
6388 print "<table class=\"grep_search\">\n";
6389 my $alternate = 1;
6390 my $matches = 0;
6391 my $lastfile = '';
6392 my $file_href;
6393 while (my $line = <$fd>) {
6394 chomp $line;
6395 my ($file, $lno, $ltext, $binary);
6396 last if ($matches++ > 1000);
6397 if ($line =~ /^Binary file (.+) matches$/) {
6398 $file = $1;
6399 $binary = 1;
6400 } else {
6401 ($file, $lno, $ltext) = split(/\0/, $line, 3);
6402 $file =~ s/^$co{'tree'}://;
6403 }
6404 if ($file ne $lastfile) {
6405 $lastfile and print "</td></tr>\n";
6406 if ($alternate++) {
6407 print "<tr class=\"dark\">\n";
6408 } else {
6409 print "<tr class=\"light\">\n";
6410 }
6411 $file_href = href(action=>"blob", hash_base=>$co{'id'},
6412 file_name=>$file);
6413 print "<td class=\"list\">".
6414 $cgi->a({-href => $file_href, -class => "list"}, esc_path($file));
6415 print "</td><td>\n";
6416 $lastfile = $file;
6417 }
6418 if ($binary) {
6419 print "<div class=\"binary\">Binary file</div>\n";
6420 } else {
6421 $ltext = untabify($ltext);
6422 if ($ltext =~ m/^(.*)($search_regexp)(.*)$/i) {
6423 $ltext = esc_html($1, -nbsp=>1);
6424 $ltext .= '<span class="match">';
6425 $ltext .= esc_html($2, -nbsp=>1);
6426 $ltext .= '</span>';
6427 $ltext .= esc_html($3, -nbsp=>1);
6428 } else {
6429 $ltext = esc_html($ltext, -nbsp=>1);
6430 }
6431 print "<div class=\"pre\">" .
6432 $cgi->a({-href => $file_href.'#l'.$lno,
6433 -class => "linenr"}, sprintf('%4i ', $lno)) .
6434 $ltext . "</div>\n";
6435 }
6436 }
6437 if ($lastfile) {
6438 print "</td></tr>\n";
6439 if ($matches > 1000) {
6440 print "<div class=\"diff nodifferences\">Too many matches, listing trimmed</div>\n";
6441 }
6442 } else {
6443 print "<div class=\"diff nodifferences\">No matches found</div>\n";
6444 }
6445 close $fd;
6446
6447 print "</table>\n";
6448
6449 git_footer_html();
6450 }
6451
6452 sub git_search_grep_body {
6453 my ($commitlist, $from, $to, $extra) = @_;
6454 $from = 0 unless defined $from;
6455 $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to);
6456
6457 print "<table class=\"commit_search\">\n";
6458 my $alternate = 1;
6459 for (my $i = $from; $i <= $to; $i++) {
6460 my %co = %{$commitlist->[$i]};
6461 if (!%co) {
6462 next;
6463 }
6464 my $commit = $co{'id'};
6465 if ($alternate) {
6466 print "<tr class=\"dark\">\n";
6467 } else {
6468 print "<tr class=\"light\">\n";
6469 }
6470 $alternate ^= 1;
6471 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
6472 format_author_html('td', \%co, 15, 5) .
6473 "<td>" .
6474 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
6475 -class => "list subject"},
6476 chop_and_escape_str($co{'title'}, 50) . "<br/>");
6477 my $comment = $co{'comment'};
6478 foreach my $line (@$comment) {
6479 if ($line =~ m/^(.*?)($search_regexp)(.*)$/i) {
6480 my ($lead, $match, $trail) = ($1, $2, $3);
6481 $match = chop_str($match, 70, 5, 'center');
6482 my $contextlen = int((80 - length($match))/2);
6483 $contextlen = 30 if ($contextlen > 30);
6484 $lead = chop_str($lead, $contextlen, 10, 'left');
6485 $trail = chop_str($trail, $contextlen, 10, 'right');
6486
6487 $lead = esc_html($lead);
6488 $match = esc_html($match);
6489 $trail = esc_html($trail);
6490
6491 print "$lead<span class=\"match\">$match</span>$trail<br />";
6492 }
6493 }
6494 print "</td>\n" .
6495 "<td class=\"link\">" .
6496 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
6497 " | " .
6498 $cgi->a({-href => href(action=>"commitdiff", hash=>$co{'id'})}, "commitdiff") .
6499 " | " .
6500 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
6501 print "</td>\n" .
6502 "</tr>\n";
6503 }
6504 if (defined $extra) {
6505 print "<tr>\n" .
6506 "<td colspan=\"3\">$extra</td>\n" .
6507 "</tr>\n";
6508 }
6509 print "</table>\n";
6510 }
6511
6512 ## ======================================================================
6513 ## ======================================================================
6514 ## actions
6515
6516 sub git_project_list {
6517 my $order = $input_params{'order'};
6518 if (defined $order && $order !~ m/none|project|descr|owner|age/) {
6519 die_error(400, "Unknown order parameter");
6520 }
6521
6522 my @list = git_get_projects_list($project_filter, $strict_export);
6523 if (!@list) {
6524 die_error(404, "No projects found");
6525 }
6526
6527 git_header_html();
6528 git_end_subhead_html();
6529 if (defined $home_text && -f $home_text) {
6530 print "<div class=\"index_include\">\n";
6531 insert_file($home_text);
6532 print "</div>\n";
6533 }
6534
6535 git_project_search_form($searchtext, $search_use_regexp);
6536 git_project_list_body(\@list, $order);
6537 git_footer_html();
6538 }
6539
6540 sub git_forks {
6541 my $order = $input_params{'order'};
6542 if (defined $order && $order !~ m/none|project|descr|owner|age/) {
6543 die_error(400, "Unknown order parameter");
6544 }
6545
6546 my $filter = $project;
6547 $filter =~ s/\.git$//;
6548 my @list = git_get_projects_list($filter);
6549 if (!@list) {
6550 die_error(404, "No forks found");
6551 }
6552
6553 git_header_html();
6554 git_print_page_nav('','');
6555 git_print_header_div('summary', "$project forks");
6556 git_project_list_body(\@list, $order);
6557 git_footer_html();
6558 }
6559
6560 sub git_project_index {
6561 my @projects = git_get_projects_list($project_filter, $strict_export);
6562 if (!@projects) {
6563 die_error(404, "No projects found");
6564 }
6565
6566 print $cgi->header(
6567 -type => 'text/plain',
6568 -charset => 'utf-8',
6569 -content_disposition => 'inline; filename="index.aux"');
6570
6571 foreach my $pr (@projects) {
6572 if (!exists $pr->{'owner'}) {
6573 $pr->{'owner'} = git_get_project_owner("$pr->{'path'}");
6574 }
6575
6576 my ($path, $owner) = ($pr->{'path'}, $pr->{'owner'});
6577 # quote as in CGI::Util::encode, but keep the slash, and use '+' for ' '
6578 $path =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
6579 $owner =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
6580 $path =~ s/ /\+/g;
6581 $owner =~ s/ /\+/g;
6582
6583 print "$path $owner\n";
6584 }
6585 }
6586
6587 sub git_summary {
6588 my $descr = git_get_project_description($project) || "none";
6589 my %co = parse_commit("HEAD");
6590 my %cd = %co ? parse_date($co{'committer_epoch'}, $co{'committer_tz'}) : ();
6591 my $head = $co{'id'};
6592 my $remote_heads = gitweb_check_feature('remote_heads');
6593
6594 my $owner = git_get_project_owner($project);
6595
6596 my $refs = git_get_references();
6597 # These get_*_list functions return one more to allow us to see if
6598 # there are more ...
6599 my @taglist = git_get_tags_list(16);
6600 my @headlist = git_get_heads_list(16);
6601 my %remotedata = $remote_heads ? git_get_remotes_list() : ();
6602 my @forklist;
6603 my $check_forks = gitweb_check_feature('forks');
6604
6605 if ($check_forks) {
6606 # find forks of a project
6607 my $filter = $project;
6608 $filter =~ s/\.git$//;
6609 @forklist = git_get_projects_list($filter);
6610 # filter out forks of forks
6611 @forklist = filter_forks_from_projects_list(\@forklist)
6612 if (@forklist);
6613 }
6614
6615 git_header_html();
6616 git_print_page_nav('summary','', $head);
6617
6618 print "<table class=\"projects_list\">\n" .
6619 "<tr id=\"metadata_desc\"><th>description</th><td>" . esc_html($descr) . "</td></tr>\n";
6620 if ($owner and not $omit_owner) {
6621 print "<tr id=\"metadata_owner\"><th>owner</th><td>" . esc_html($owner) . "</td></tr>\n";
6622 }
6623 if (defined $cd{'rfc2822'}) {
6624 print "<tr id=\"metadata_lchange\"><th>last change</th>" .
6625 "<td>".format_timestamp_html(\%cd)."</td></tr>\n";
6626 }
6627
6628 # use per project git URL list in $projectroot/$project/cloneurl
6629 # or make project git URL from git base URL and project name
6630 my $url_tag = "URL";
6631 my @url_list = git_get_project_url_list($project);
6632 @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
6633 foreach my $git_url (@url_list) {
6634 next unless $git_url;
6635 print format_repo_url($url_tag, $git_url);
6636 $url_tag = "";
6637 }
6638
6639 # Tag cloud
6640 my $show_ctags = gitweb_check_feature('ctags');
6641 if ($show_ctags) {
6642 my $ctags = git_get_project_ctags($project);
6643 if (%$ctags) {
6644 # without ability to add tags, don't show if there are none
6645 my $cloud = git_populate_project_tagcloud($ctags);
6646 print "<tr id=\"metadata_ctags\">" .
6647 "<th>content tags</th>" .
6648 "<td>".git_show_project_tagcloud($cloud, 48)."</td>" .
6649 "</tr>\n";
6650 }
6651 }
6652
6653 print "</table>\n";
6654
6655 # If XSS prevention is on, we don't include README.html.
6656 # TODO: Allow a readme in some safe format.
6657 if (!$prevent_xss && -s "$projectroot/$project/README.html") {
6658 print "<div class=\"title\">readme</div>\n" .
6659 "<div class=\"readme\">\n";
6660 insert_file("$projectroot/$project/README.html");
6661 print "\n</div>\n"; # class="readme"
6662 }
6663
6664 # we need to request one more than 16 (0..15) to check if
6665 # those 16 are all
6666 my @commitlist = $head ? parse_commits($head, 17) : ();
6667 if (@commitlist) {
6668 git_print_header_div('shortlog');
6669 git_shortlog_body(\@commitlist, 0, 15, $refs,
6670 $#commitlist <= 15 ? undef :
6671 $cgi->a({-href => href(action=>"shortlog")}, "..."));
6672 }
6673
6674 if (@taglist) {
6675 git_print_header_div('tags');
6676 git_tags_body(\@taglist, 0, 15,
6677 $#taglist <= 15 ? undef :
6678 $cgi->a({-href => href(action=>"tags")}, "..."));
6679 }
6680
6681 if (@headlist) {
6682 git_print_header_div('heads');
6683 git_heads_body(\@headlist, $head, 0, 15,
6684 $#headlist <= 15 ? undef :
6685 $cgi->a({-href => href(action=>"heads")}, "..."));
6686 }
6687
6688 if (%remotedata) {
6689 git_print_header_div('remotes');
6690 git_remotes_body(\%remotedata, 15, $head);
6691 }
6692
6693 if (@forklist) {
6694 git_print_header_div('forks');
6695 git_project_list_body(\@forklist, 'age', 0, 15,
6696 $#forklist <= 15 ? undef :
6697 $cgi->a({-href => href(action=>"forks")}, "..."),
6698 'no_header');
6699 }
6700
6701 git_footer_html();
6702 }
6703
6704 sub git_tag {
6705 my %tag = parse_tag($hash);
6706
6707 if (! %tag) {
6708 die_error(404, "Unknown tag object");
6709 }
6710
6711 my $head = git_get_head_hash($project);
6712 git_header_html();
6713 git_print_page_nav('','', $head,undef,$head);
6714 git_print_header_div('commit', esc_html($tag{'name'}), $hash);
6715 print "<div class=\"title_text\">\n" .
6716 "<table class=\"object_header\">\n" .
6717 "<tr>\n" .
6718 "<th>object</th>\n" .
6719 "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
6720 $tag{'object'}) . "</td>\n" .
6721 "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
6722 $tag{'type'}) . "</td>\n" .
6723 "</tr>\n";
6724 if (defined($tag{'author'})) {
6725 git_print_authorship_rows(\%tag, 'author');
6726 }
6727 print "</table>\n\n" .
6728 "</div>\n";
6729 print "<div class=\"page_body\">";
6730 my $comment = $tag{'comment'};
6731 foreach my $line (@$comment) {
6732 chomp $line;
6733 print esc_html($line, -nbsp=>1) . "<br/>\n";
6734 }
6735 print "</div>\n";
6736 git_footer_html();
6737 }
6738
6739 sub git_blame_common {
6740 my $format = shift || 'porcelain';
6741 if ($format eq 'porcelain' && $input_params{'javascript'}) {
6742 $format = 'incremental';
6743 $action = 'blame_incremental'; # for page title etc
6744 }
6745
6746 # permissions
6747 gitweb_check_feature('blame')
6748 or die_error(403, "Blame view not allowed");
6749
6750 # error checking
6751 die_error(400, "No file name given") unless $file_name;
6752 $hash_base ||= git_get_head_hash($project);
6753 die_error(404, "Couldn't find base commit") unless $hash_base;
6754 my %co = parse_commit($hash_base)
6755 or die_error(404, "Commit not found");
6756 my $ftype = "blob";
6757 if (!defined $hash) {
6758 $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
6759 or die_error(404, "Error looking up file");
6760 } else {
6761 $ftype = git_get_type($hash);
6762 if ($ftype !~ "blob") {
6763 die_error(400, "Object is not a blob");
6764 }
6765 }
6766
6767 my $fd;
6768 if ($format eq 'incremental') {
6769 # get file contents (as base)
6770 open $fd, "-|", git_cmd(), 'cat-file', 'blob', $hash
6771 or die_error(500, "Open git-cat-file failed");
6772 } elsif ($format eq 'data') {
6773 # run git-blame --incremental
6774 open $fd, "-|", git_cmd(), "blame", "--incremental",
6775 $hash_base, "--", $file_name
6776 or die_error(500, "Open git-blame --incremental failed");
6777 } else {
6778 # run git-blame --porcelain
6779 open $fd, "-|", git_cmd(), "blame", '-p',
6780 $hash_base, '--', $file_name
6781 or die_error(500, "Open git-blame --porcelain failed");
6782 }
6783 binmode $fd, ':utf8';
6784
6785 # incremental blame data returns early
6786 if ($format eq 'data') {
6787 print $cgi->header(
6788 -type=>"text/plain", -charset => "utf-8",
6789 -status=> "200 OK");
6790 local $| = 1; # output autoflush
6791 while (my $line = <$fd>) {
6792 print to_utf8($line);
6793 }
6794 close $fd
6795 or print "ERROR $!\n";
6796
6797 print 'END';
6798 if (defined $t0 && gitweb_check_feature('timed')) {
6799 print ' '.
6800 tv_interval($t0, [ gettimeofday() ]).
6801 ' '.$number_of_git_cmds;
6802 }
6803 print "\n";
6804
6805 return;
6806 }
6807
6808 # page header
6809 git_header_html();
6810 my $formats_nav =
6811 $cgi->a({-href => href(action=>"blob", -replay=>1)},
6812 "blob") .
6813 " | ";
6814 if ($format eq 'incremental') {
6815 $formats_nav .=
6816 $cgi->a({-href => href(action=>"blame", javascript=>0, -replay=>1)},
6817 "blame") . " (non-incremental)";
6818 } else {
6819 $formats_nav .=
6820 $cgi->a({-href => href(action=>"blame_incremental", -replay=>1)},
6821 "blame") . " (incremental)";
6822 }
6823 $formats_nav .=
6824 " | " .
6825 $cgi->a({-href => href(action=>"history", -replay=>1)},
6826 "history") .
6827 " | " .
6828 $cgi->a({-href => href(action=>$action, file_name=>$file_name)},
6829 "HEAD");
6830 git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
6831 git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
6832 git_print_page_path($file_name, $ftype, $hash_base);
6833
6834 # page body
6835 if ($format eq 'incremental') {
6836 print "<noscript>\n<div class=\"error\"><center><b>\n".
6837 "This page requires JavaScript to run.\n Use ".
6838 $cgi->a({-href => href(action=>'blame',javascript=>0,-replay=>1)},
6839 'this page').
6840 " instead.\n".
6841 "</b></center></div>\n</noscript>\n";
6842
6843 print qq!<div id="progress_bar" style="width: 100%; background-color: yellow"></div>\n!;
6844 }
6845
6846 print qq!<div class="page_body">\n!;
6847 print qq!<div id="progress_info">... / ...</div>\n!
6848 if ($format eq 'incremental');
6849 print qq!<table id="blame_table" class="blame" width="100%">\n!.
6850 #qq!<col width="5.5em" /><col width="2.5em" /><col width="*" />\n!.
6851 qq!<thead>\n!.
6852 qq!<tr><th>Commit</th><th>Line</th><th>Data</th></tr>\n!.
6853 qq!</thead>\n!.
6854 qq!<tbody>\n!;
6855
6856 my @rev_color = qw(light dark);
6857 my $num_colors = scalar(@rev_color);
6858 my $current_color = 0;
6859
6860 if ($format eq 'incremental') {
6861 my $color_class = $rev_color[$current_color];
6862
6863 #contents of a file
6864 my $linenr = 0;
6865 LINE:
6866 while (my $line = <$fd>) {
6867 chomp $line;
6868 $linenr++;
6869
6870 print qq!<tr id="l$linenr" class="$color_class">!.
6871 qq!<td class="sha1"><a href=""> </a></td>!.
6872 qq!<td class="linenr">!.
6873 qq!<a class="linenr" href="">$linenr</a></td>!;
6874 print qq!<td class="pre">! . esc_html($line) . "</td>\n";
6875 print qq!</tr>\n!;
6876 }
6877
6878 } else { # porcelain, i.e. ordinary blame
6879 my %metainfo = (); # saves information about commits
6880
6881 # blame data
6882 LINE:
6883 while (my $line = <$fd>) {
6884 chomp $line;
6885 # the header: <SHA-1> <src lineno> <dst lineno> [<lines in group>]
6886 # no <lines in group> for subsequent lines in group of lines
6887 my ($full_rev, $orig_lineno, $lineno, $group_size) =
6888 ($line =~ /^($oid_regex) (\d+) (\d+)(?: (\d+))?$/);
6889 if (!exists $metainfo{$full_rev}) {
6890 $metainfo{$full_rev} = { 'nprevious' => 0 };
6891 }
6892 my $meta = $metainfo{$full_rev};
6893 my $data;
6894 while ($data = <$fd>) {
6895 chomp $data;
6896 last if ($data =~ s/^\t//); # contents of line
6897 if ($data =~ /^(\S+)(?: (.*))?$/) {
6898 $meta->{$1} = $2 unless exists $meta->{$1};
6899 }
6900 if ($data =~ /^previous /) {
6901 $meta->{'nprevious'}++;
6902 }
6903 }
6904 my $short_rev = substr($full_rev, 0, 8);
6905 my $author = $meta->{'author'};
6906 my %date =
6907 parse_date($meta->{'author-time'}, $meta->{'author-tz'});
6908 my $date = $date{'iso-tz'};
6909 if ($group_size) {
6910 $current_color = ($current_color + 1) % $num_colors;
6911 }
6912 my $tr_class = $rev_color[$current_color];
6913 $tr_class .= ' boundary' if (exists $meta->{'boundary'});
6914 $tr_class .= ' no-previous' if ($meta->{'nprevious'} == 0);
6915 $tr_class .= ' multiple-previous' if ($meta->{'nprevious'} > 1);
6916 print "<tr id=\"l$lineno\" class=\"$tr_class\">\n";
6917 if ($group_size) {
6918 print "<td class=\"sha1\"";
6919 print " title=\"". esc_html($author) . ", $date\"";
6920 print " rowspan=\"$group_size\"" if ($group_size > 1);
6921 print ">";
6922 print $cgi->a({-href => href(action=>"commit",
6923 hash=>$full_rev,
6924 file_name=>$file_name)},
6925 esc_html($short_rev));
6926 if ($group_size >= 2) {
6927 my @author_initials = ($author =~ /\b([[:upper:]])\B/g);
6928 if (@author_initials) {
6929 print "<br />" .
6930 esc_html(join('', @author_initials));
6931 # or join('.', ...)
6932 }
6933 }
6934 print "</td>\n";
6935 }
6936 # 'previous' <sha1 of parent commit> <filename at commit>
6937 if (exists $meta->{'previous'} &&
6938 $meta->{'previous'} =~ /^($oid_regex) (.*)$/) {
6939 $meta->{'parent'} = $1;
6940 $meta->{'file_parent'} = unquote($2);
6941 }
6942 my $linenr_commit =
6943 exists($meta->{'parent'}) ?
6944 $meta->{'parent'} : $full_rev;
6945 my $linenr_filename =
6946 exists($meta->{'file_parent'}) ?
6947 $meta->{'file_parent'} : unquote($meta->{'filename'});
6948 my $blamed = href(action => 'blame',
6949 file_name => $linenr_filename,
6950 hash_base => $linenr_commit);
6951 print "<td class=\"linenr\">";
6952 print $cgi->a({ -href => "$blamed#l$orig_lineno",
6953 -class => "linenr" },
6954 esc_html($lineno));
6955 print "</td>";
6956 print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
6957 print "</tr>\n";
6958 } # end while
6959
6960 }
6961
6962 # footer
6963 print "</tbody>\n".
6964 "</table>\n"; # class="blame"
6965 print "</div>\n"; # class="blame_body"
6966 close $fd
6967 or print "Reading blob failed\n";
6968
6969 git_footer_html();
6970 }
6971
6972 sub git_blame {
6973 git_blame_common();
6974 }
6975
6976 sub git_blame_incremental {
6977 git_blame_common('incremental');
6978 }
6979
6980 sub git_blame_data {
6981 git_blame_common('data');
6982 }
6983
6984 sub git_tags {
6985 my $head = git_get_head_hash($project);
6986 git_header_html();
6987 git_print_page_nav('','', $head,undef,$head,format_ref_views('tags'));
6988 git_print_header_div('summary', $project);
6989
6990 my @tagslist = git_get_tags_list();
6991 if (@tagslist) {
6992 git_tags_body(\@tagslist);
6993 }
6994 git_footer_html();
6995 }
6996
6997 sub git_heads {
6998 my $head = git_get_head_hash($project);
6999 git_header_html();
7000 git_print_page_nav('','', $head,undef,$head,format_ref_views('heads'));
7001 git_print_header_div('summary', $project);
7002
7003 my @headslist = git_get_heads_list();
7004 if (@headslist) {
7005 git_heads_body(\@headslist, $head);
7006 }
7007 git_footer_html();
7008 }
7009
7010 # used both for single remote view and for list of all the remotes
7011 sub git_remotes {
7012 gitweb_check_feature('remote_heads')
7013 or die_error(403, "Remote heads view is disabled");
7014
7015 my $head = git_get_head_hash($project);
7016 my $remote = $input_params{'hash'};
7017
7018 my $remotedata = git_get_remotes_list($remote);
7019 die_error(500, "Unable to get remote information") unless defined $remotedata;
7020
7021 unless (%$remotedata) {
7022 die_error(404, defined $remote ?
7023 "Remote $remote not found" :
7024 "No remotes found");
7025 }
7026
7027 git_header_html(undef, undef, -action_extra => $remote);
7028 git_print_page_nav('', '', $head, undef, $head,
7029 format_ref_views($remote ? '' : 'remotes'));
7030
7031 fill_remote_heads($remotedata);
7032 if (defined $remote) {
7033 git_print_header_div('remotes', "$remote remote for $project");
7034 git_remote_block($remote, $remotedata->{$remote}, undef, $head);
7035 } else {
7036 git_print_header_div('summary', "$project remotes");
7037 git_remotes_body($remotedata, undef, $head);
7038 }
7039
7040 git_footer_html();
7041 }
7042
7043 sub git_blob_plain {
7044 my $type = shift;
7045 my $expires;
7046
7047 if (!defined $hash) {
7048 if (defined $file_name) {
7049 my $base = $hash_base || git_get_head_hash($project);
7050 $hash = git_get_hash_by_path($base, $file_name, "blob")
7051 or die_error(404, "Cannot find file");
7052 } else {
7053 die_error(400, "No file name defined");
7054 }
7055 } elsif ($hash =~ m/^$oid_regex$/) {
7056 # blobs defined by non-textual hash id's can be cached
7057 $expires = "+1d";
7058 }
7059
7060 open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
7061 or die_error(500, "Open git-cat-file blob '$hash' failed");
7062
7063 # content-type (can include charset)
7064 $type = blob_contenttype($fd, $file_name, $type);
7065
7066 # "save as" filename, even when no $file_name is given
7067 my $save_as = "$hash";
7068 if (defined $file_name) {
7069 $save_as = $file_name;
7070 } elsif ($type =~ m/^text\//) {
7071 $save_as .= '.txt';
7072 }
7073
7074 # With XSS prevention on, blobs of all types except a few known safe
7075 # ones are served with "Content-Disposition: attachment" to make sure
7076 # they don't run in our security domain. For certain image types,
7077 # blob view writes an <img> tag referring to blob_plain view, and we
7078 # want to be sure not to break that by serving the image as an
7079 # attachment (though Firefox 3 doesn't seem to care).
7080 my $sandbox = $prevent_xss &&
7081 $type !~ m!^(?:text/[a-z]+|image/(?:gif|png|jpeg))(?:[ ;]|$)!;
7082
7083 # serve text/* as text/plain
7084 if ($prevent_xss &&
7085 ($type =~ m!^text/[a-z]+\b(.*)$! ||
7086 ($type =~ m!^[a-z]+/[a-z]\+xml\b(.*)$! && -T $fd))) {
7087 my $rest = $1;
7088 $rest = defined $rest ? $rest : '';
7089 $type = "text/plain$rest";
7090 }
7091
7092 print $cgi->header(
7093 -type => $type,
7094 -expires => $expires,
7095 -content_disposition =>
7096 ($sandbox ? 'attachment' : 'inline')
7097 . '; filename="' . $save_as . '"');
7098 local $/ = undef;
7099 local *FCGI::Stream::PRINT = $FCGI_Stream_PRINT_raw;
7100 binmode STDOUT, ':raw';
7101 print <$fd>;
7102 binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
7103 close $fd;
7104 }
7105
7106 sub git_blob {
7107 my $expires;
7108
7109 if (!defined $hash) {
7110 if (defined $file_name) {
7111 my $base = $hash_base || git_get_head_hash($project);
7112 $hash = git_get_hash_by_path($base, $file_name, "blob")
7113 or die_error(404, "Cannot find file");
7114 } else {
7115 die_error(400, "No file name defined");
7116 }
7117 } elsif ($hash =~ m/^$oid_regex$/) {
7118 # blobs defined by non-textual hash id's can be cached
7119 $expires = "+1d";
7120 }
7121
7122 my $have_blame = gitweb_check_feature('blame');
7123 open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
7124 or die_error(500, "Couldn't cat $file_name, $hash");
7125 my $mimetype = blob_mimetype($fd, $file_name);
7126 # use 'blob_plain' (aka 'raw') view for files that cannot be displayed
7127 if ($mimetype !~ m!^(?:text/|image/(?:gif|png|jpeg)$)! && -B $fd) {
7128 close $fd;
7129 return git_blob_plain($mimetype);
7130 }
7131 # we can have blame only for text/* mimetype
7132 $have_blame &&= ($mimetype =~ m!^text/!);
7133
7134 my $highlight = gitweb_check_feature('highlight');
7135 my $syntax = guess_file_syntax($highlight, $file_name);
7136 $fd = run_highlighter($fd, $highlight, $syntax);
7137
7138 git_header_html(undef, $expires);
7139 my $formats_nav = '';
7140 if (defined $hash_base && (my %co = parse_commit($hash_base))) {
7141 if (defined $file_name) {
7142 if ($have_blame) {
7143 $formats_nav .=
7144 $cgi->a({-href => href(action=>"blame", -replay=>1)},
7145 "blame") .
7146 " | ";
7147 }
7148 $formats_nav .=
7149 $cgi->a({-href => href(action=>"history", -replay=>1)},
7150 "history") .
7151 " | " .
7152 $cgi->a({-href => href(action=>"blob_plain", -replay=>1)},
7153 "raw") .
7154 " | " .
7155 $cgi->a({-href => href(action=>"blob",
7156 hash_base=>"HEAD", file_name=>$file_name)},
7157 "HEAD");
7158 } else {
7159 $formats_nav .=
7160 $cgi->a({-href => href(action=>"blob_plain", -replay=>1)},
7161 "raw");
7162 }
7163 git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
7164 git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
7165 } else {
7166 git_end_subhead_html();
7167 print "<div class=\"title\">".esc_html($hash)."</div>\n";
7168 }
7169 git_print_page_path($file_name, "blob", $hash_base);
7170 print "<div class=\"page_body\">\n";
7171 if ($mimetype =~ m!^image/!) {
7172 print qq!<img class="blob" type="!.esc_attr($mimetype).qq!"!;
7173 if ($file_name) {
7174 print qq! alt="!.esc_attr($file_name).qq!" title="!.esc_attr($file_name).qq!"!;
7175 }
7176 print qq! src="! .
7177 esc_attr(href(action=>"blob_plain", hash=>$hash,
7178 hash_base=>$hash_base, file_name=>$file_name)) .
7179 qq!" />\n!;
7180 } else {
7181 my $nr;
7182 while (my $line = <$fd>) {
7183 chomp $line;
7184 $nr++;
7185 $line = untabify($line);
7186 printf qq!<div class="pre"><a id="l%i" href="%s#l%i" class="linenr">%4i </a>%s</div>\n!,
7187 $nr, esc_attr(href(-replay => 1)), $nr, $nr,
7188 $highlight ? sanitize($line) : esc_html($line, -nbsp=>1);
7189 }
7190 }
7191 close $fd
7192 or print "Reading blob failed.\n";
7193 print "</div>";
7194 git_footer_html();
7195 }
7196
7197 sub git_tree {
7198 if (!defined $hash_base) {
7199 $hash_base = "HEAD";
7200 }
7201 if (!defined $hash) {
7202 if (defined $file_name) {
7203 $hash = git_get_hash_by_path($hash_base, $file_name, "tree");
7204 } else {
7205 $hash = $hash_base;
7206 }
7207 }
7208 die_error(404, "No such tree") unless defined($hash);
7209
7210 my $show_sizes = gitweb_check_feature('show-sizes');
7211 my $have_blame = gitweb_check_feature('blame');
7212
7213 my @entries = ();
7214 {
7215 local $/ = "\0";
7216 open my $fd, "-|", git_cmd(), "ls-tree", '-z',
7217 ($show_sizes ? '-l' : ()), @extra_options, $hash
7218 or die_error(500, "Open git-ls-tree failed");
7219 @entries = map { chomp; $_ } <$fd>;
7220 close $fd
7221 or die_error(404, "Reading tree failed");
7222 }
7223
7224 my $refs = git_get_references();
7225 my $ref = format_ref_marker($refs, $hash_base);
7226 git_header_html();
7227 my $basedir = '';
7228 if (defined $hash_base && (my %co = parse_commit($hash_base))) {
7229 my @views_nav = ();
7230 if (defined $file_name) {
7231 push @views_nav,
7232 $cgi->a({-href => href(action=>"history", -replay=>1)},
7233 "history"),
7234 $cgi->a({-href => href(action=>"tree",
7235 hash_base=>"HEAD", file_name=>$file_name)},
7236 "HEAD"),
7237 }
7238 my $snapshot_links = format_snapshot_links($hash);
7239 if (defined $snapshot_links) {
7240 # FIXME: Should be available when we have no hash base as well.
7241 push @views_nav, $snapshot_links;
7242 }
7243 git_print_page_nav('tree','', $hash_base, undef, undef,
7244 join(' | ', @views_nav));
7245 git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
7246 } else {
7247 undef $hash_base;
7248 git_end_subhead_html();
7249 print "<div class=\"title\">".esc_html($hash)."</div>\n";
7250 }
7251 if (defined $file_name) {
7252 $basedir = $file_name;
7253 if ($basedir ne '' && substr($basedir, -1) ne '/') {
7254 $basedir .= '/';
7255 }
7256 git_print_page_path($file_name, 'tree', $hash_base);
7257 }
7258 print "<div class=\"page_body\">\n";
7259 print "<table class=\"tree\">\n";
7260 my $alternate = 1;
7261 # '..' (top directory) link if possible
7262 if (defined $hash_base &&
7263 defined $file_name && $file_name =~ m![^/]+$!) {
7264 if ($alternate) {
7265 print "<tr class=\"dark\">\n";
7266 } else {
7267 print "<tr class=\"light\">\n";
7268 }
7269 $alternate ^= 1;
7270
7271 my $up = $file_name;
7272 $up =~ s!/?[^/]+$!!;
7273 undef $up unless $up;
7274 # based on git_print_tree_entry
7275 print '<td class="mode">' . mode_str('040000') . "</td>\n";
7276 print '<td class="size">&nbsp;</td>'."\n" if $show_sizes;
7277 print '<td class="list">';
7278 print $cgi->a({-href => href(action=>"tree",
7279 hash_base=>$hash_base,
7280 file_name=>$up)},
7281 "..");
7282 print "</td>\n";
7283 print "<td class=\"link\"></td>\n";
7284
7285 print "</tr>\n";
7286 }
7287 foreach my $line (@entries) {
7288 my %t = parse_ls_tree_line($line, -z => 1, -l => $show_sizes);
7289
7290 if ($alternate) {
7291 print "<tr class=\"dark\">\n";
7292 } else {
7293 print "<tr class=\"light\">\n";
7294 }
7295 $alternate ^= 1;
7296
7297 git_print_tree_entry(\%t, $basedir, $hash_base, $have_blame);
7298
7299 print "</tr>\n";
7300 }
7301 print "</table>\n" .
7302 "</div>";
7303 git_footer_html();
7304 }
7305
7306 sub sanitize_for_filename {
7307 my $name = shift;
7308
7309 $name =~ s!/!-!g;
7310 $name =~ s/[^[:alnum:]_.-]//g;
7311
7312 return $name;
7313 }
7314
7315 sub snapshot_name {
7316 my ($project, $hash) = @_;
7317
7318 # path/to/project.git -> project
7319 # path/to/project/.git -> project
7320 my $name = to_utf8($project);
7321 $name =~ s,([^/])/*\.git$,$1,;
7322 $name = sanitize_for_filename(basename($name));
7323
7324 my $ver = $hash;
7325 if ($hash =~ /^[0-9a-fA-F]+$/) {
7326 # shorten SHA-1 hash
7327 my $full_hash = git_get_full_hash($project, $hash);
7328 if ($full_hash =~ /^$hash/ && length($hash) > 7) {
7329 $ver = git_get_short_hash($project, $hash);
7330 }
7331 } elsif ($hash =~ m!^refs/tags/(.*)$!) {
7332 # tags don't need shortened SHA-1 hash
7333 $ver = $1;
7334 } else {
7335 # branches and other need shortened SHA-1 hash
7336 my $strip_refs = join '|', map { quotemeta } get_branch_refs();
7337 if ($hash =~ m!^refs/($strip_refs|remotes)/(.*)$!) {
7338 my $ref_dir = (defined $1) ? $1 : '';
7339 $ver = $2;
7340
7341 $ref_dir = sanitize_for_filename($ref_dir);
7342 # for refs neither in heads nor remotes we want to
7343 # add a ref dir to archive name
7344 if ($ref_dir ne '' and $ref_dir ne 'heads' and $ref_dir ne 'remotes') {
7345 $ver = $ref_dir . '-' . $ver;
7346 }
7347 }
7348 $ver .= '-' . git_get_short_hash($project, $hash);
7349 }
7350 # special case of sanitization for filename - we change
7351 # slashes to dots instead of dashes
7352 # in case of hierarchical branch names
7353 $ver =~ s!/!.!g;
7354 $ver =~ s/[^[:alnum:]_.-]//g;
7355
7356 # name = project-version_string
7357 $name = "$name-$ver";
7358
7359 return wantarray ? ($name, $name) : $name;
7360 }
7361
7362 sub exit_if_unmodified_since {
7363 my ($latest_epoch) = @_;
7364 our $cgi;
7365
7366 my $if_modified = $cgi->http('IF_MODIFIED_SINCE');
7367 if (defined $if_modified) {
7368 my $since;
7369 if (eval { require HTTP::Date; 1; }) {
7370 $since = HTTP::Date::str2time($if_modified);
7371 } elsif (eval { require Time::ParseDate; 1; }) {
7372 $since = Time::ParseDate::parsedate($if_modified, GMT => 1);
7373 }
7374 if (defined $since && $latest_epoch <= $since) {
7375 my %latest_date = parse_date($latest_epoch);
7376 print $cgi->header(
7377 -last_modified => $latest_date{'rfc2822'},
7378 -status => '304 Not Modified');
7379 goto DONE_GITWEB;
7380 }
7381 }
7382 }
7383
7384 sub git_snapshot {
7385 my $format = $input_params{'snapshot_format'};
7386 if (!@snapshot_fmts) {
7387 die_error(403, "Snapshots not allowed");
7388 }
7389 # default to first supported snapshot format
7390 $format ||= $snapshot_fmts[0];
7391 if ($format !~ m/^[a-z0-9]+$/) {
7392 die_error(400, "Invalid snapshot format parameter");
7393 } elsif (!exists($known_snapshot_formats{$format})) {
7394 die_error(400, "Unknown snapshot format");
7395 } elsif ($known_snapshot_formats{$format}{'disabled'}) {
7396 die_error(403, "Snapshot format not allowed");
7397 } elsif (!grep($_ eq $format, @snapshot_fmts)) {
7398 die_error(403, "Unsupported snapshot format");
7399 }
7400
7401 my $type = git_get_type("$hash^{}");
7402 if (!$type) {
7403 die_error(404, 'Object does not exist');
7404 } elsif ($type eq 'blob') {
7405 die_error(400, 'Object is not a tree-ish');
7406 }
7407
7408 my ($name, $prefix) = snapshot_name($project, $hash);
7409 my $filename = "$name$known_snapshot_formats{$format}{'suffix'}";
7410
7411 my %co = parse_commit($hash);
7412 exit_if_unmodified_since($co{'committer_epoch'}) if %co;
7413
7414 my $cmd = quote_command(
7415 git_cmd(), 'archive',
7416 "--format=$known_snapshot_formats{$format}{'format'}",
7417 "--prefix=$prefix/", $hash);
7418 if (exists $known_snapshot_formats{$format}{'compressor'}) {
7419 $cmd .= ' | ' . quote_command(@{$known_snapshot_formats{$format}{'compressor'}});
7420 }
7421
7422 $filename =~ s/(["\\])/\\$1/g;
7423 my %latest_date;
7424 if (%co) {
7425 %latest_date = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
7426 }
7427
7428 print $cgi->header(
7429 -type => $known_snapshot_formats{$format}{'type'},
7430 -content_disposition => 'inline; filename="' . $filename . '"',
7431 %co ? (-last_modified => $latest_date{'rfc2822'}) : (),
7432 -status => '200 OK');
7433
7434 open my $fd, "-|", $cmd
7435 or die_error(500, "Execute git-archive failed");
7436 local *FCGI::Stream::PRINT = $FCGI_Stream_PRINT_raw;
7437 binmode STDOUT, ':raw';
7438 print <$fd>;
7439 binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
7440 close $fd;
7441 }
7442
7443 sub git_log_generic {
7444 my ($fmt_name, $body_subr, $base, $parent, $file_name, $file_hash) = @_;
7445
7446 my $head = git_get_head_hash($project);
7447 if (!defined $base) {
7448 $base = $head;
7449 }
7450 if (!defined $page) {
7451 $page = 0;
7452 }
7453 my $refs = git_get_references();
7454
7455 my $commit_hash = $base;
7456 if (defined $parent) {
7457 $commit_hash = "$parent..$base";
7458 }
7459 my @commitlist =
7460 parse_commits($commit_hash, 101, (100 * $page),
7461 defined $file_name ? ($file_name, "--full-history") : ());
7462
7463 my $ftype;
7464 if (!defined $file_hash && defined $file_name) {
7465 # some commits could have deleted file in question,
7466 # and not have it in tree, but one of them has to have it
7467 for (my $i = 0; $i < @commitlist; $i++) {
7468 $file_hash = git_get_hash_by_path($commitlist[$i]{'id'}, $file_name);
7469 last if defined $file_hash;
7470 }
7471 }
7472 if (defined $file_hash) {
7473 $ftype = git_get_type($file_hash);
7474 }
7475 if (defined $file_name && !defined $ftype) {
7476 die_error(500, "Unknown type of object");
7477 }
7478 my %co;
7479 if (defined $file_name) {
7480 %co = parse_commit($base)
7481 or die_error(404, "Unknown commit object");
7482 }
7483
7484
7485 my $paging_nav = format_paging_nav($fmt_name, $page, $#commitlist >= 100);
7486 my $next_link = '';
7487 if ($#commitlist >= 100) {
7488 $next_link =
7489 $cgi->a({-href => href(-replay=>1, page=>$page+1),
7490 -accesskey => "n", -title => "Alt-n"}, "next");
7491 }
7492 my $patch_max = gitweb_get_feature('patches');
7493 if ($patch_max && !defined $file_name &&
7494 !gitweb_check_feature('email-privacy')) {
7495 if ($patch_max < 0 || @commitlist <= $patch_max) {
7496 $paging_nav .= " &sdot; " .
7497 $cgi->a({-href => href(action=>"patches", -replay=>1)},
7498 "patches");
7499 }
7500 }
7501
7502 git_header_html();
7503 git_print_page_nav($fmt_name,'', $hash,$hash,$hash, $paging_nav);
7504 if (defined $file_name) {
7505 git_print_header_div('commit', esc_html($co{'title'}), $base);
7506 } else {
7507 git_print_header_div('summary', $project)
7508 }
7509 git_print_page_path($file_name, $ftype, $hash_base)
7510 if (defined $file_name);
7511
7512 $body_subr->(\@commitlist, 0, 99, $refs, $next_link,
7513 $file_name, $file_hash, $ftype);
7514
7515 git_footer_html();
7516 }
7517
7518 sub git_log {
7519 git_log_generic('log', \&git_log_body,
7520 $hash, $hash_parent);
7521 }
7522
7523 sub git_commit {
7524 $hash ||= $hash_base || "HEAD";
7525 my %co = parse_commit($hash)
7526 or die_error(404, "Unknown commit object");
7527
7528 my $parent = $co{'parent'};
7529 my $parents = $co{'parents'}; # listref
7530
7531 # we need to prepare $formats_nav before any parameter munging
7532 my $formats_nav;
7533 if (!defined $parent) {
7534 # --root commitdiff
7535 $formats_nav .= '(initial)';
7536 } elsif (@$parents == 1) {
7537 # single parent commit
7538 $formats_nav .=
7539 '(parent: ' .
7540 $cgi->a({-href => href(action=>"commit",
7541 hash=>$parent)},
7542 esc_html(substr($parent, 0, 7))) .
7543 ')';
7544 } else {
7545 # merge commit
7546 $formats_nav .=
7547 '(merge: ' .
7548 join(' ', map {
7549 $cgi->a({-href => href(action=>"commit",
7550 hash=>$_)},
7551 esc_html(substr($_, 0, 7)));
7552 } @$parents ) .
7553 ')';
7554 }
7555 if (gitweb_check_feature('patches') && @$parents <= 1 &&
7556 !gitweb_check_feature('email-privacy')) {
7557 $formats_nav .= " | " .
7558 $cgi->a({-href => href(action=>"patch", -replay=>1)},
7559 "patch");
7560 }
7561
7562 if (!defined $parent) {
7563 $parent = "--root";
7564 }
7565 my @difftree;
7566 open my $fd, "-|", git_cmd(), "diff-tree", '-r', "--no-commit-id",
7567 @diff_opts,
7568 (@$parents <= 1 ? $parent : '-c'),
7569 $hash, "--"
7570 or die_error(500, "Open git-diff-tree failed");
7571 @difftree = map { chomp; $_ } <$fd>;
7572 close $fd or die_error(404, "Reading git-diff-tree failed");
7573
7574 # non-textual hash id's can be cached
7575 my $expires;
7576 if ($hash =~ m/^$oid_regex$/) {
7577 $expires = "+1d";
7578 }
7579 my $refs = git_get_references();
7580 my $ref = format_ref_marker($refs, $co{'id'});
7581
7582 git_header_html(undef, $expires);
7583 git_print_page_nav('commit', '',
7584 $hash, $co{'tree'}, $hash,
7585 $formats_nav);
7586
7587 if (defined $co{'parent'}) {
7588 git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
7589 } else {
7590 git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
7591 }
7592 print "<div class=\"title_text\">\n" .
7593 "<table class=\"object_header\">\n";
7594 git_print_authorship_rows(\%co);
7595 print "<tr><th>commit</th><td class=\"sha1\">$co{'id'}</td></tr>\n";
7596 print "<tr>" .
7597 "<th>tree</th>" .
7598 "<td class=\"sha1\">" .
7599 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
7600 class => "list"}, $co{'tree'}) .
7601 "</td>" .
7602 "<td class=\"link\">" .
7603 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
7604 "tree");
7605 my $snapshot_links = format_snapshot_links($hash);
7606 if (defined $snapshot_links) {
7607 print " | " . $snapshot_links;
7608 }
7609 print "</td>" .
7610 "</tr>\n";
7611
7612 foreach my $par (@$parents) {
7613 print "<tr>" .
7614 "<th>parent</th>" .
7615 "<td class=\"sha1\">" .
7616 $cgi->a({-href => href(action=>"commit", hash=>$par),
7617 class => "list"}, $par) .
7618 "</td>" .
7619 "<td class=\"link\">" .
7620 $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
7621 " | " .
7622 $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "diff") .
7623 "</td>" .
7624 "</tr>\n";
7625 }
7626 print "</table>".
7627 "</div>\n";
7628
7629 print "<div class=\"page_body\">\n";
7630 git_print_log($co{'comment'});
7631 print "</div>\n";
7632
7633 git_difftree_body(\@difftree, $hash, @$parents);
7634
7635 git_footer_html();
7636 }
7637
7638 sub git_object {
7639 # object is defined by:
7640 # - hash or hash_base alone
7641 # - hash_base and file_name
7642 my $type;
7643
7644 # - hash or hash_base alone
7645 if ($hash || ($hash_base && !defined $file_name)) {
7646 my $object_id = $hash || $hash_base;
7647
7648 open my $fd, "-|", quote_command(
7649 git_cmd(), 'cat-file', '-t', $object_id) . ' 2> /dev/null'
7650 or die_error(404, "Object does not exist");
7651 $type = <$fd>;
7652 defined $type && chomp $type;
7653 close $fd
7654 or die_error(404, "Object does not exist");
7655
7656 # - hash_base and file_name
7657 } elsif ($hash_base && defined $file_name) {
7658 $file_name =~ s,/+$,,;
7659
7660 system(git_cmd(), "cat-file", '-e', $hash_base) == 0
7661 or die_error(404, "Base object does not exist");
7662
7663 # here errors should not happen
7664 open my $fd, "-|", git_cmd(), "ls-tree", $hash_base, "--", $file_name
7665 or die_error(500, "Open git-ls-tree failed");
7666 my $line = <$fd>;
7667 close $fd;
7668
7669 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
7670 unless ($line && $line =~ m/^([0-9]+) (.+) ($oid_regex)\t/) {
7671 die_error(404, "File or directory for given base does not exist");
7672 }
7673 $type = $2;
7674 $hash = $3;
7675 } else {
7676 die_error(400, "Not enough information to find object");
7677 }
7678
7679 print $cgi->redirect(-uri => href(action=>$type, -full=>1,
7680 hash=>$hash, hash_base=>$hash_base,
7681 file_name=>$file_name),
7682 -status => '302 Found');
7683 }
7684
7685 sub git_blobdiff {
7686 my $format = shift || 'html';
7687 my $diff_style = $input_params{'diff_style'} || 'inline';
7688
7689 my $fd;
7690 my @difftree;
7691 my %diffinfo;
7692 my $expires;
7693
7694 # preparing $fd and %diffinfo for git_patchset_body
7695 # new style URI
7696 if (defined $hash_base && defined $hash_parent_base) {
7697 if (defined $file_name) {
7698 # read raw output
7699 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7700 $hash_parent_base, $hash_base,
7701 "--", (defined $file_parent ? $file_parent : ()), $file_name
7702 or die_error(500, "Open git-diff-tree failed");
7703 @difftree = map { chomp; $_ } <$fd>;
7704 close $fd
7705 or die_error(404, "Reading git-diff-tree failed");
7706 @difftree
7707 or die_error(404, "Blob diff not found");
7708
7709 } elsif (defined $hash &&
7710 $hash =~ $oid_regex) {
7711 # try to find filename from $hash
7712
7713 # read filtered raw output
7714 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7715 $hash_parent_base, $hash_base, "--"
7716 or die_error(500, "Open git-diff-tree failed");
7717 @difftree =
7718 # ':100644 100644 03b21826... 3b93d5e7... M ls-files.c'
7719 # $hash == to_id
7720 grep { /^:[0-7]{6} [0-7]{6} $oid_regex $hash/ }
7721 map { chomp; $_ } <$fd>;
7722 close $fd
7723 or die_error(404, "Reading git-diff-tree failed");
7724 @difftree
7725 or die_error(404, "Blob diff not found");
7726
7727 } else {
7728 die_error(400, "Missing one of the blob diff parameters");
7729 }
7730
7731 if (@difftree > 1) {
7732 die_error(400, "Ambiguous blob diff specification");
7733 }
7734
7735 %diffinfo = parse_difftree_raw_line($difftree[0]);
7736 $file_parent ||= $diffinfo{'from_file'} || $file_name;
7737 $file_name ||= $diffinfo{'to_file'};
7738
7739 $hash_parent ||= $diffinfo{'from_id'};
7740 $hash ||= $diffinfo{'to_id'};
7741
7742 # non-textual hash id's can be cached
7743 if ($hash_base =~ m/^$oid_regex$/ &&
7744 $hash_parent_base =~ m/^$oid_regex$/) {
7745 $expires = '+1d';
7746 }
7747
7748 # open patch output
7749 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7750 '-p', ($format eq 'html' ? "--full-index" : ()),
7751 $hash_parent_base, $hash_base,
7752 "--", (defined $file_parent ? $file_parent : ()), $file_name
7753 or die_error(500, "Open git-diff-tree failed");
7754 }
7755
7756 # old/legacy style URI -- not generated anymore since 1.4.3.
7757 if (!%diffinfo) {
7758 die_error('404 Not Found', "Missing one of the blob diff parameters")
7759 }
7760
7761 # header
7762 if ($format eq 'html') {
7763 my $formats_nav =
7764 $cgi->a({-href => href(action=>"blobdiff_plain", -replay=>1)},
7765 "raw");
7766 $formats_nav .= diff_style_nav($diff_style);
7767 git_header_html(undef, $expires);
7768 if (defined $hash_base && (my %co = parse_commit($hash_base))) {
7769 git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
7770 git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
7771 } else {
7772 print "<div class=\"page_nav\"><br/>$formats_nav</div>\n";
7773 git_end_subhead_html();
7774 print "<div class=\"title\">".esc_html("$hash vs $hash_parent")."</div>\n";
7775 }
7776 if (defined $file_name) {
7777 git_print_page_path($file_name, "blob", $hash_base);
7778 } else {
7779 print "<div class=\"page_path\"></div>\n";
7780 }
7781
7782 } elsif ($format eq 'plain') {
7783 print $cgi->header(
7784 -type => 'text/plain',
7785 -charset => 'utf-8',
7786 -expires => $expires,
7787 -content_disposition => 'inline; filename="' . "$file_name" . '.patch"');
7788
7789 print "X-Git-Url: " . $cgi->self_url() . "\n\n";
7790
7791 } else {
7792 die_error(400, "Unknown blobdiff format");
7793 }
7794
7795 # patch
7796 if ($format eq 'html') {
7797 print "<div class=\"page_body\">\n";
7798
7799 git_patchset_body($fd, $diff_style,
7800 [ \%diffinfo ], $hash_base, $hash_parent_base);
7801 close $fd;
7802
7803 print "</div>\n"; # class="page_body"
7804 git_footer_html();
7805
7806 } else {
7807 while (my $line = <$fd>) {
7808 $line =~ s!a/($hash|$hash_parent)!'a/'.esc_path($diffinfo{'from_file'})!eg;
7809 $line =~ s!b/($hash|$hash_parent)!'b/'.esc_path($diffinfo{'to_file'})!eg;
7810
7811 print $line;
7812
7813 last if $line =~ m!^\+\+\+!;
7814 }
7815 local $/ = undef;
7816 print <$fd>;
7817 close $fd;
7818 }
7819 }
7820
7821 sub git_blobdiff_plain {
7822 git_blobdiff('plain');
7823 }
7824
7825 # assumes that it is added as later part of already existing navigation,
7826 # so it returns "| foo | bar" rather than just "foo | bar"
7827 sub diff_style_nav {
7828 my ($diff_style, $is_combined) = @_;
7829 $diff_style ||= 'inline';
7830
7831 return "" if ($is_combined);
7832
7833 my @styles = (inline => 'inline', 'sidebyside' => 'side by side');
7834 my %styles = @styles;
7835 @styles =
7836 @styles[ map { $_ * 2 } 0..$#styles/2 ];
7837
7838 return join '',
7839 map { " | ".$_ }
7840 map {
7841 $_ eq $diff_style ? $styles{$_} :
7842 $cgi->a({-href => href(-replay=>1, diff_style => $_)}, $styles{$_})
7843 } @styles;
7844 }
7845
7846 sub git_commitdiff {
7847 my %params = @_;
7848 my $format = $params{-format} || 'html';
7849 my $diff_style = $input_params{'diff_style'} || 'inline';
7850
7851 my ($patch_max) = gitweb_get_feature('patches');
7852 if ($format eq 'patch') {
7853 die_error(403, "Patch view not allowed") unless $patch_max;
7854 }
7855
7856 $hash ||= $hash_base || "HEAD";
7857 my %co = parse_commit($hash)
7858 or die_error(404, "Unknown commit object");
7859
7860 # choose format for commitdiff for merge
7861 if (! defined $hash_parent && @{$co{'parents'}} > 1) {
7862 $hash_parent = '--cc';
7863 }
7864 # we need to prepare $formats_nav before almost any parameter munging
7865 my $formats_nav;
7866 if ($format eq 'html') {
7867 $formats_nav =
7868 $cgi->a({-href => href(action=>"commitdiff_plain", -replay=>1)},
7869 "raw");
7870 if ($patch_max && @{$co{'parents'}} <= 1 &&
7871 !gitweb_check_feature('email-privacy')) {
7872 $formats_nav .= " | " .
7873 $cgi->a({-href => href(action=>"patch", -replay=>1)},
7874 "patch");
7875 }
7876 $formats_nav .= diff_style_nav($diff_style, @{$co{'parents'}} > 1);
7877
7878 if (defined $hash_parent &&
7879 $hash_parent ne '-c' && $hash_parent ne '--cc') {
7880 # commitdiff with two commits given
7881 my $hash_parent_short = $hash_parent;
7882 if ($hash_parent =~ m/^$oid_regex$/) {
7883 $hash_parent_short = substr($hash_parent, 0, 7);
7884 }
7885 $formats_nav .=
7886 ' (from';
7887 for (my $i = 0; $i < @{$co{'parents'}}; $i++) {
7888 if ($co{'parents'}[$i] eq $hash_parent) {
7889 $formats_nav .= ' parent ' . ($i+1);
7890 last;
7891 }
7892 }
7893 $formats_nav .= ': ' .
7894 $cgi->a({-href => href(-replay=>1,
7895 hash=>$hash_parent, hash_base=>undef)},
7896 esc_html($hash_parent_short)) .
7897 ')';
7898 } elsif (!$co{'parent'}) {
7899 # --root commitdiff
7900 $formats_nav .= ' (initial)';
7901 } elsif (scalar @{$co{'parents'}} == 1) {
7902 # single parent commit
7903 $formats_nav .=
7904 ' (parent: ' .
7905 $cgi->a({-href => href(-replay=>1,
7906 hash=>$co{'parent'}, hash_base=>undef)},
7907 esc_html(substr($co{'parent'}, 0, 7))) .
7908 ')';
7909 } else {
7910 # merge commit
7911 if ($hash_parent eq '--cc') {
7912 $formats_nav .= ' | ' .
7913 $cgi->a({-href => href(-replay=>1,
7914 hash=>$hash, hash_parent=>'-c')},
7915 'combined');
7916 } else { # $hash_parent eq '-c'
7917 $formats_nav .= ' | ' .
7918 $cgi->a({-href => href(-replay=>1,
7919 hash=>$hash, hash_parent=>'--cc')},
7920 'compact');
7921 }
7922 $formats_nav .=
7923 ' (merge: ' .
7924 join(' ', map {
7925 $cgi->a({-href => href(-replay=>1,
7926 hash=>$_, hash_base=>undef)},
7927 esc_html(substr($_, 0, 7)));
7928 } @{$co{'parents'}} ) .
7929 ')';
7930 }
7931 }
7932
7933 my $hash_parent_param = $hash_parent;
7934 if (!defined $hash_parent_param) {
7935 # --cc for multiple parents, --root for parentless
7936 $hash_parent_param =
7937 @{$co{'parents'}} > 1 ? '--cc' : $co{'parent'} || '--root';
7938 }
7939
7940 # read commitdiff
7941 my $fd;
7942 my @difftree;
7943 if ($format eq 'html') {
7944 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7945 "--no-commit-id", "--patch-with-raw", "--full-index",
7946 $hash_parent_param, $hash, "--"
7947 or die_error(500, "Open git-diff-tree failed");
7948
7949 while (my $line = <$fd>) {
7950 chomp $line;
7951 # empty line ends raw part of diff-tree output
7952 last unless $line;
7953 push @difftree, scalar parse_difftree_raw_line($line);
7954 }
7955
7956 } elsif ($format eq 'plain') {
7957 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7958 '-p', $hash_parent_param, $hash, "--"
7959 or die_error(500, "Open git-diff-tree failed");
7960 } elsif ($format eq 'patch') {
7961 # For commit ranges, we limit the output to the number of
7962 # patches specified in the 'patches' feature.
7963 # For single commits, we limit the output to a single patch,
7964 # diverging from the git-format-patch default.
7965 my @commit_spec = ();
7966 if ($hash_parent) {
7967 if ($patch_max > 0) {
7968 push @commit_spec, "-$patch_max";
7969 }
7970 push @commit_spec, '-n', "$hash_parent..$hash";
7971 } else {
7972 if ($params{-single}) {
7973 push @commit_spec, '-1';
7974 } else {
7975 if ($patch_max > 0) {
7976 push @commit_spec, "-$patch_max";
7977 }
7978 push @commit_spec, "-n";
7979 }
7980 push @commit_spec, '--root', $hash;
7981 }
7982 open $fd, "-|", git_cmd(), "format-patch", @diff_opts,
7983 '--encoding=utf8', '--stdout', @commit_spec
7984 or die_error(500, "Open git-format-patch failed");
7985 } else {
7986 die_error(400, "Unknown commitdiff format");
7987 }
7988
7989 # non-textual hash id's can be cached
7990 my $expires;
7991 if ($hash =~ m/^$oid_regex$/) {
7992 $expires = "+1d";
7993 }
7994
7995 # write commit message
7996 if ($format eq 'html') {
7997 my $refs = git_get_references();
7998 my $ref = format_ref_marker($refs, $co{'id'});
7999
8000 git_header_html(undef, $expires);
8001 git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
8002 git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
8003 print "<div class=\"title_text\">\n" .
8004 "<table class=\"object_header\">\n";
8005 git_print_authorship_rows(\%co);
8006 print "</table>".
8007 "</div>\n";
8008 print "<div class=\"page_body\">\n";
8009 if (@{$co{'comment'}} > 1) {
8010 print "<div class=\"log\">\n";
8011 git_print_log($co{'comment'}, -remove_title => 1);
8012 print "</div>\n"; # class="log"
8013 }
8014
8015 } elsif ($format eq 'plain') {
8016 my $refs = git_get_references("tags");
8017 my $tagname = git_get_rev_name_tags($hash);
8018 my $filename = basename($project) . "-$hash.patch";
8019
8020 print $cgi->header(
8021 -type => 'text/plain',
8022 -charset => 'utf-8',
8023 -expires => $expires,
8024 -content_disposition => 'inline; filename="' . "$filename" . '"');
8025 my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
8026 print "From: " . to_utf8($co{'author'}) . "\n";
8027 print "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n";
8028 print "Subject: " . to_utf8($co{'title'}) . "\n";
8029
8030 print "X-Git-Tag: $tagname\n" if $tagname;
8031 print "X-Git-Url: " . $cgi->self_url() . "\n\n";
8032
8033 foreach my $line (@{$co{'comment'}}) {
8034 print to_utf8($line) . "\n";
8035 }
8036 print "---\n\n";
8037 } elsif ($format eq 'patch') {
8038 my $filename = basename($project) . "-$hash.patch";
8039
8040 print $cgi->header(
8041 -type => 'text/plain',
8042 -charset => 'utf-8',
8043 -expires => $expires,
8044 -content_disposition => 'inline; filename="' . "$filename" . '"');
8045 }
8046
8047 # write patch
8048 if ($format eq 'html') {
8049 my $use_parents = !defined $hash_parent ||
8050 $hash_parent eq '-c' || $hash_parent eq '--cc';
8051 git_difftree_body(\@difftree, $hash,
8052 $use_parents ? @{$co{'parents'}} : $hash_parent);
8053 print "<br/>\n";
8054
8055 git_patchset_body($fd, $diff_style,
8056 \@difftree, $hash,
8057 $use_parents ? @{$co{'parents'}} : $hash_parent);
8058 close $fd;
8059 print "</div>\n"; # class="page_body"
8060 git_footer_html();
8061
8062 } elsif ($format eq 'plain') {
8063 local $/ = undef;
8064 print <$fd>;
8065 close $fd
8066 or print "Reading git-diff-tree failed\n";
8067 } elsif ($format eq 'patch') {
8068 local $/ = undef;
8069 print <$fd>;
8070 close $fd
8071 or print "Reading git-format-patch failed\n";
8072 }
8073 }
8074
8075 sub git_commitdiff_plain {
8076 git_commitdiff(-format => 'plain');
8077 }
8078
8079 # format-patch-style patches
8080 sub git_patch {
8081 git_commitdiff(-format => 'patch', -single => 1);
8082 }
8083
8084 sub git_patches {
8085 git_commitdiff(-format => 'patch');
8086 }
8087
8088 sub git_history {
8089 git_log_generic('history', \&git_history_body,
8090 $hash_base, $hash_parent_base,
8091 $file_name, $hash);
8092 }
8093
8094 sub git_search {
8095 $searchtype ||= 'commit';
8096
8097 # check if appropriate features are enabled
8098 gitweb_check_feature('search')
8099 or die_error(403, "Search is disabled");
8100 if ($searchtype eq 'pickaxe') {
8101 # pickaxe may take all resources of your box and run for several minutes
8102 # with every query - so decide by yourself how public you make this feature
8103 gitweb_check_feature('pickaxe')
8104 or die_error(403, "Pickaxe search is disabled");
8105 }
8106 if ($searchtype eq 'grep') {
8107 # grep search might be potentially CPU-intensive, too
8108 gitweb_check_feature('grep')
8109 or die_error(403, "Grep search is disabled");
8110 }
8111
8112 if (!defined $searchtext) {
8113 die_error(400, "Text field is empty");
8114 }
8115 if (!defined $hash) {
8116 $hash = git_get_head_hash($project);
8117 }
8118 my %co = parse_commit($hash);
8119 if (!%co) {
8120 die_error(404, "Unknown commit object");
8121 }
8122 if (!defined $page) {
8123 $page = 0;
8124 }
8125
8126 if ($searchtype eq 'commit' ||
8127 $searchtype eq 'author' ||
8128 $searchtype eq 'committer') {
8129 git_search_message(%co);
8130 } elsif ($searchtype eq 'pickaxe') {
8131 git_search_changes(%co);
8132 } elsif ($searchtype eq 'grep') {
8133 git_search_files(%co);
8134 } else {
8135 die_error(400, "Unknown search type");
8136 }
8137 }
8138
8139 sub git_search_help {
8140 git_header_html();
8141 git_print_page_nav('','', $hash,$hash,$hash);
8142 print <<EOT;
8143 <p><strong>Pattern</strong> is by default a normal string that is matched precisely (but without
8144 regard to case, except in the case of pickaxe). However, when you check the <em>re</em> checkbox,
8145 the pattern entered is recognized as the POSIX extended
8146 <a href="https://en.wikipedia.org/wiki/Regular_expression">regular expression</a> (also case
8147 insensitive).</p>
8148 <dl>
8149 <dt><b>commit</b></dt>
8150 <dd>The commit messages and authorship information will be scanned for the given pattern.</dd>
8151 EOT
8152 my $have_grep = gitweb_check_feature('grep');
8153 if ($have_grep) {
8154 print <<EOT;
8155 <dt><b>grep</b></dt>
8156 <dd>All files in the currently selected tree (HEAD unless you are explicitly browsing
8157 a different one) are searched for the given pattern. On large trees, this search can take
8158 a while and put some strain on the server, so please use it with some consideration. Note that
8159 due to git-grep peculiarity, currently if regexp mode is turned off, the matches are
8160 case-sensitive.</dd>
8161 EOT
8162 }
8163 print <<EOT;
8164 <dt><b>author</b></dt>
8165 <dd>Name and e-mail of the change author and date of birth of the patch will be scanned for the given pattern.</dd>
8166 <dt><b>committer</b></dt>
8167 <dd>Name and e-mail of the committer and date of commit will be scanned for the given pattern.</dd>
8168 EOT
8169 my $have_pickaxe = gitweb_check_feature('pickaxe');
8170 if ($have_pickaxe) {
8171 print <<EOT;
8172 <dt><b>pickaxe</b></dt>
8173 <dd>All commits that caused the string to appear or disappear from any file (changes that
8174 added, removed or "modified" the string) will be listed. This search can take a while and
8175 takes a lot of strain on the server, so please use it wisely. Note that since you may be
8176 interested even in changes just changing the case as well, this search is case sensitive.</dd>
8177 EOT
8178 }
8179 print "</dl>\n";
8180 git_footer_html();
8181 }
8182
8183 sub git_shortlog {
8184 git_log_generic('shortlog', \&git_shortlog_body,
8185 $hash, $hash_parent);
8186 }
8187
8188 ## ......................................................................
8189 ## feeds (Atom; OPML)
8190
8191 sub git_feed {
8192 my $format = shift || 'atom';
8193 my $have_blame = gitweb_check_feature('blame');
8194
8195 # Atom: http://www.atomenabled.org/developers/syndication/
8196 if ($format ne 'atom') {
8197 die_error(400, "Unknown web feed format");
8198 }
8199
8200 # log/feed of current (HEAD) branch, log of given branch, history of file/directory
8201 my $head = $hash || 'HEAD';
8202 my @commitlist = parse_commits($head, 150, 0, $file_name);
8203
8204 my %latest_commit;
8205 my %latest_date;
8206 my $content_type = "application/$format+xml";
8207 if (defined $cgi->http('HTTP_ACCEPT') &&
8208 $cgi->Accept('text/xml') > $cgi->Accept($content_type)) {
8209 # browser (feed reader) prefers text/xml
8210 $content_type = 'text/xml';
8211 }
8212 if (defined($commitlist[0])) {
8213 %latest_commit = %{$commitlist[0]};
8214 my $latest_epoch = $latest_commit{'committer_epoch'};
8215 exit_if_unmodified_since($latest_epoch);
8216 %latest_date = parse_date($latest_epoch, $latest_commit{'committer_tz'});
8217 }
8218 print $cgi->header(
8219 -type => $content_type,
8220 -charset => 'utf-8',
8221 %latest_date ? (-last_modified => $latest_date{'rfc2822'}) : (),
8222 -status => '200 OK');
8223
8224 # Optimization: skip generating the body if client asks only
8225 # for Last-Modified date.
8226 return if ($cgi->request_method() eq 'HEAD');
8227
8228 # header variables
8229 my $title = "$site_name - $project/$action";
8230 my $feed_type = 'log';
8231 if (defined $hash) {
8232 $title .= " - '$hash'";
8233 $feed_type = 'branch log';
8234 if (defined $file_name) {
8235 $title .= " :: $file_name";
8236 $feed_type = 'history';
8237 }
8238 } elsif (defined $file_name) {
8239 $title .= " - $file_name";
8240 $feed_type = 'history';
8241 }
8242 $title .= " $feed_type";
8243 $title = esc_html($title);
8244 my $descr = git_get_project_description($project);
8245 if (defined $descr) {
8246 $descr = esc_html($descr);
8247 } else {
8248 $descr = "$project Atom feed";
8249 }
8250 my $owner = git_get_project_owner($project);
8251 $owner = esc_html($owner);
8252
8253 #header
8254 my $alt_url;
8255 if (defined $file_name) {
8256 $alt_url = href(-full=>1, action=>"history", hash=>$hash, file_name=>$file_name);
8257 } elsif (defined $hash) {
8258 $alt_url = href(-full=>1, action=>"log", hash=>$hash);
8259 } else {
8260 $alt_url = href(-full=>1, action=>"summary");
8261 }
8262 $alt_url = esc_attr($alt_url);
8263 print qq!<?xml version="1.0" encoding="utf-8"?>\n!;
8264 print <<XML;
8265 <feed xmlns="http://www.w3.org/2005/Atom">
8266 XML
8267 print "<title>$title</title>\n" .
8268 "<subtitle>$descr</subtitle>\n" .
8269 '<link rel="alternate" type="text/html" href="' .
8270 $alt_url . '" />' . "\n" .
8271 '<link rel="self" type="' . $content_type . '" href="' .
8272 $cgi->self_url() . '" />' . "\n" .
8273 "<id>" . esc_url(href(-full=>1)) . "</id>\n" .
8274 # use project owner for feed author
8275 "<author><name>$owner</name></author>\n";
8276 if (defined $favicon) {
8277 print "<icon>" . esc_url($favicon) . "</icon>\n";
8278 }
8279 if (defined $logo) {
8280 # not twice as wide as tall: 72 x 27 pixels
8281 print "<logo>" . esc_url($logo) . "</logo>\n";
8282 }
8283 if (! %latest_date) {
8284 # dummy date to keep the feed valid until commits trickle in:
8285 print "<updated>1970-01-01T00:00:00Z</updated>\n";
8286 } else {
8287 print "<updated>$latest_date{'iso-8601'}</updated>\n";
8288 }
8289 print "<generator version='$version/$git_version'>gitweb</generator>\n";
8290
8291 # contents
8292 for (my $i = 0; $i <= $#commitlist; $i++) {
8293 my %co = %{$commitlist[$i]};
8294 my $commit = $co{'id'};
8295 # we read 150, we always show 30 and the ones more recent than 48 hours
8296 if (($i >= 20) && ((time - $co{'author_epoch'}) > 48*60*60)) {
8297 last;
8298 }
8299 my %cd = parse_date($co{'author_epoch'}, $co{'author_tz'});
8300
8301 # get list of changed files
8302 open my $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
8303 $co{'parent'} || "--root",
8304 $co{'id'}, "--", (defined $file_name ? $file_name : ())
8305 or next;
8306 my @difftree = map { chomp; $_ } <$fd>;
8307 close $fd
8308 or next;
8309
8310 # print element (entry, item)
8311 my $co_url = href(-full=>1, action=>"commitdiff", hash=>$commit);
8312 print "<entry>\n" .
8313 "<title type=\"html\">" . esc_html($co{'title'}) . "</title>\n" .
8314 "<updated>$cd{'iso-8601'}</updated>\n" .
8315 "<author>\n" .
8316 " <name>" . esc_html($co{'author_name'}) . "</name>\n";
8317 if ($co{'author_email'}) {
8318 print " <email>" . esc_html($co{'author_email'}) . "</email>\n";
8319 }
8320 print "</author>\n" .
8321 # use committer for contributor
8322 "<contributor>\n" .
8323 " <name>" . esc_html($co{'committer_name'}) . "</name>\n";
8324 if ($co{'committer_email'}) {
8325 print " <email>" . esc_html($co{'committer_email'}) . "</email>\n";
8326 }
8327 print "</contributor>\n" .
8328 "<published>$cd{'iso-8601'}</published>\n" .
8329 "<link rel=\"alternate\" type=\"text/html\" href=\"" . esc_attr($co_url) . "\" />\n" .
8330 "<id>" . esc_html($co_url) . "</id>\n" .
8331 "<content type=\"xhtml\" xml:base=\"" . esc_url($my_url) . "\">\n" .
8332 "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n";
8333 my $comment = $co{'comment'};
8334 print "<pre>\n";
8335 foreach my $line (@$comment) {
8336 $line = esc_html($line);
8337 print "$line\n";
8338 }
8339 print "</pre><ul>\n";
8340 foreach my $difftree_line (@difftree) {
8341 my %difftree = parse_difftree_raw_line($difftree_line);
8342 next if !$difftree{'from_id'};
8343
8344 my $file = $difftree{'file'} || $difftree{'to_file'};
8345
8346 print "<li>" .
8347 "[" .
8348 $cgi->a({-href => href(-full=>1, action=>"blobdiff",
8349 hash=>$difftree{'to_id'}, hash_parent=>$difftree{'from_id'},
8350 hash_base=>$co{'id'}, hash_parent_base=>$co{'parent'},
8351 file_name=>$file, file_parent=>$difftree{'from_file'}),
8352 -title => "diff"}, 'D');
8353 if ($have_blame) {
8354 print $cgi->a({-href => href(-full=>1, action=>"blame",
8355 file_name=>$file, hash_base=>$commit),
8356 -title => "blame"}, 'B');
8357 }
8358 # if this is not a feed of a file history
8359 if (!defined $file_name || $file_name ne $file) {
8360 print $cgi->a({-href => href(-full=>1, action=>"history",
8361 file_name=>$file, hash=>$commit),
8362 -title => "history"}, 'H');
8363 }
8364 $file = esc_path($file);
8365 print "] ".
8366 "$file</li>\n";
8367 }
8368 print "</ul>\n</div>\n" .
8369 "</content>\n" .
8370 "</entry>\n";
8371 }
8372
8373 # end of feed
8374 print "</feed>\n";
8375 }
8376
8377 sub git_atom {
8378 git_feed('atom');
8379 }
8380
8381 sub git_opml {
8382 my @list = git_get_projects_list($project_filter, $strict_export);
8383 if (!@list) {
8384 die_error(404, "No projects found");
8385 }
8386
8387 print $cgi->header(
8388 -type => 'text/xml',
8389 -charset => 'utf-8',
8390 -content_disposition => 'inline; filename="opml.xml"');
8391
8392 my $title = esc_html($site_name);
8393 my $filter = " within subdirectory ";
8394 if (defined $project_filter) {
8395 $filter .= esc_html($project_filter);
8396 } else {
8397 $filter = "";
8398 }
8399 print <<XML;
8400 <?xml version="1.0" encoding="utf-8"?>
8401 <opml version="1.0">
8402 <head>
8403 <title>$title OPML Export$filter</title>
8404 </head>
8405 <body>
8406 <outline text="git Atom feeds">
8407 XML
8408
8409 foreach my $pr (@list) {
8410 my %proj = %$pr;
8411 my $head = git_get_head_hash($proj{'path'});
8412 if (!defined $head) {
8413 next;
8414 }
8415 $git_dir = "$projectroot/$proj{'path'}";
8416 my %co = parse_commit($head);
8417 if (!%co) {
8418 next;
8419 }
8420
8421 my $path = esc_html(chop_str($proj{'path'}, 25, 5));
8422 my $atom = esc_attr(href('project' => $proj{'path'}, 'action' => 'atom', -full => 1));
8423 my $html = esc_attr(href('project' => $proj{'path'}, 'action' => 'summary', -full => 1));
8424 print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$atom\" htmlUrl=\"$html\"/>\n";
8425 }
8426 print <<XML;
8427 </outline>
8428 </body>
8429 </opml>
8430 XML
8431 }