Improve time markup and tooltips
[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 # Syntax highlighting support. This is based on Daniel Svensson's
523 # and Sham Chukoury's work in gitweb-xmms2.git.
524 # It requires the 'highlight' program present in $PATH,
525 # and therefore is disabled by default.
526
527 # To enable system wide have in $GITWEB_CONFIG
528 # $feature{'highlight'}{'default'} = [1];
529
530 'highlight' => {
531 'sub' => sub { feature_bool('highlight', @_) },
532 'override' => 0,
533 'default' => [0]},
534
535 # Enable displaying of remote heads in the heads list
536
537 # To enable system wide have in $GITWEB_CONFIG
538 # $feature{'remote_heads'}{'default'} = [1];
539 # To have project specific config enable override in $GITWEB_CONFIG
540 # $feature{'remote_heads'}{'override'} = 1;
541 # and in project config gitweb.remoteheads = 0|1;
542 'remote_heads' => {
543 'sub' => sub { feature_bool('remote_heads', @_) },
544 'override' => 0,
545 'default' => [0]},
546
547 # Enable showing branches under other refs in addition to heads
548
549 # To set system wide extra branch refs have in $GITWEB_CONFIG
550 # $feature{'extra-branch-refs'}{'default'} = ['dirs', 'of', 'choice'];
551 # To have project specific config enable override in $GITWEB_CONFIG
552 # $feature{'extra-branch-refs'}{'override'} = 1;
553 # and in project config gitweb.extrabranchrefs = dirs of choice
554 # Every directory is separated with whitespace.
555
556 'extra-branch-refs' => {
557 'sub' => \&feature_extra_branch_refs,
558 'override' => 0,
559 'default' => []},
560
561 # Redact e-mail addresses.
562
563 # To enable system wide have in $GITWEB_CONFIG
564 # $feature{'email-privacy'}{'default'} = [1];
565 'email-privacy' => {
566 'sub' => sub { feature_bool('email-privacy', @_) },
567 'override' => 1,
568 'default' => [0]},
569 );
570
571 sub gitweb_get_feature {
572 my ($name) = @_;
573 return unless exists $feature{$name};
574 my ($sub, $override, @defaults) = (
575 $feature{$name}{'sub'},
576 $feature{$name}{'override'},
577 @{$feature{$name}{'default'}});
578 # project specific override is possible only if we have project
579 our $git_dir; # global variable, declared later
580 if (!$override || !defined $git_dir) {
581 return @defaults;
582 }
583 if (!defined $sub) {
584 warn "feature $name is not overridable";
585 return @defaults;
586 }
587 return $sub->(@defaults);
588 }
589
590 # A wrapper to check if a given feature is enabled.
591 # With this, you can say
592 #
593 # my $bool_feat = gitweb_check_feature('bool_feat');
594 # gitweb_check_feature('bool_feat') or somecode;
595 #
596 # instead of
597 #
598 # my ($bool_feat) = gitweb_get_feature('bool_feat');
599 # (gitweb_get_feature('bool_feat'))[0] or somecode;
600 #
601 sub gitweb_check_feature {
602 return (gitweb_get_feature(@_))[0];
603 }
604
605
606 sub feature_bool {
607 my $key = shift;
608 my ($val) = git_get_project_config($key, '--bool');
609
610 if (!defined $val) {
611 return ($_[0]);
612 } elsif ($val eq 'true') {
613 return (1);
614 } elsif ($val eq 'false') {
615 return (0);
616 }
617 }
618
619 sub feature_snapshot {
620 my (@fmts) = @_;
621
622 my ($val) = git_get_project_config('snapshot');
623
624 if ($val) {
625 @fmts = ($val eq 'none' ? () : split /\s*[,\s]\s*/, $val);
626 }
627
628 return @fmts;
629 }
630
631 sub feature_patches {
632 my @val = (git_get_project_config('patches', '--int'));
633
634 if (@val) {
635 return @val;
636 }
637
638 return ($_[0]);
639 }
640
641 sub feature_avatar {
642 my @val = (git_get_project_config('avatar'));
643
644 return @val ? @val : @_;
645 }
646
647 sub feature_extra_branch_refs {
648 my (@branch_refs) = @_;
649 my $values = git_get_project_config('extrabranchrefs');
650
651 if ($values) {
652 $values = config_to_multi ($values);
653 @branch_refs = ();
654 foreach my $value (@{$values}) {
655 push @branch_refs, split /\s+/, $value;
656 }
657 }
658
659 return @branch_refs;
660 }
661
662 # checking HEAD file with -e is fragile if the repository was
663 # initialized long time ago (i.e. symlink HEAD) and was pack-ref'ed
664 # and then pruned.
665 sub check_head_link {
666 my ($dir) = @_;
667 my $headfile = "$dir/HEAD";
668 return ((-e $headfile) ||
669 (-l $headfile && readlink($headfile) =~ /^refs\/heads\//));
670 }
671
672 sub check_export_ok {
673 my ($dir) = @_;
674 return (check_head_link($dir) &&
675 (!$export_ok || -e "$dir/$export_ok") &&
676 (!$export_auth_hook || $export_auth_hook->($dir)));
677 }
678
679 # process alternate names for backward compatibility
680 # filter out unsupported (unknown) snapshot formats
681 sub filter_snapshot_fmts {
682 my @fmts = @_;
683
684 @fmts = map {
685 exists $known_snapshot_format_aliases{$_} ?
686 $known_snapshot_format_aliases{$_} : $_} @fmts;
687 @fmts = grep {
688 exists $known_snapshot_formats{$_} &&
689 !$known_snapshot_formats{$_}{'disabled'}} @fmts;
690 }
691
692 sub filter_and_validate_refs {
693 my @refs = @_;
694 my %unique_refs = ();
695
696 foreach my $ref (@refs) {
697 die_error(500, "Invalid ref '$ref' in 'extra-branch-refs' feature") unless (is_valid_ref_format($ref));
698 # 'heads' are added implicitly in get_branch_refs().
699 $unique_refs{$ref} = 1 if ($ref ne 'heads');
700 }
701 return sort keys %unique_refs;
702 }
703
704 # If it is set to code reference, it is code that it is to be run once per
705 # request, allowing updating configurations that change with each request,
706 # while running other code in config file only once.
707 #
708 # Otherwise, if it is false then gitweb would process config file only once;
709 # if it is true then gitweb config would be run for each request.
710 our $per_request_config = 1;
711
712 # read and parse gitweb config file given by its parameter.
713 # returns true on success, false on recoverable error, allowing
714 # to chain this subroutine, using first file that exists.
715 # dies on errors during parsing config file, as it is unrecoverable.
716 sub read_config_file {
717 my $filename = shift;
718 return unless defined $filename;
719 # die if there are errors parsing config file
720 if (-e $filename) {
721 do $filename;
722 die $@ if $@;
723 return 1;
724 }
725 return;
726 }
727
728 our ($GITWEB_CONFIG, $GITWEB_CONFIG_SYSTEM, $GITWEB_CONFIG_COMMON);
729 sub evaluate_gitweb_config {
730 our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "gitweb_config.perl";
731 our $GITWEB_CONFIG_SYSTEM = $ENV{'GITWEB_CONFIG_SYSTEM'} || "/etc/gitweb.conf";
732 our $GITWEB_CONFIG_COMMON = $ENV{'GITWEB_CONFIG_COMMON'} || "/etc/gitweb-common.conf";
733
734 # Protect against duplications of file names, to not read config twice.
735 # Only one of $GITWEB_CONFIG and $GITWEB_CONFIG_SYSTEM is used, so
736 # there possibility of duplication of filename there doesn't matter.
737 $GITWEB_CONFIG = "" if ($GITWEB_CONFIG eq $GITWEB_CONFIG_COMMON);
738 $GITWEB_CONFIG_SYSTEM = "" if ($GITWEB_CONFIG_SYSTEM eq $GITWEB_CONFIG_COMMON);
739
740 # Common system-wide settings for convenience.
741 # Those settings can be overridden by GITWEB_CONFIG or GITWEB_CONFIG_SYSTEM.
742 read_config_file($GITWEB_CONFIG_COMMON);
743
744 # Use first config file that exists. This means use the per-instance
745 # GITWEB_CONFIG if exists, otherwise use GITWEB_SYSTEM_CONFIG.
746 read_config_file($GITWEB_CONFIG) and return;
747 read_config_file($GITWEB_CONFIG_SYSTEM);
748 }
749
750 # Get loadavg of system, to compare against $maxload.
751 # Currently it requires '/proc/loadavg' present to get loadavg;
752 # if it is not present it returns 0, which means no load checking.
753 sub get_loadavg {
754 if( -e '/proc/loadavg' ){
755 open my $fd, '<', '/proc/loadavg'
756 or return 0;
757 my @load = split(/\s+/, scalar <$fd>);
758 close $fd;
759
760 # The first three columns measure CPU and IO utilization of the last one,
761 # five, and 10 minute periods. The fourth column shows the number of
762 # currently running processes and the total number of processes in the m/n
763 # format. The last column displays the last process ID used.
764 return $load[0] || 0;
765 }
766 # additional checks for load average should go here for things that don't export
767 # /proc/loadavg
768
769 return 0;
770 }
771
772 # version of the core git binary
773 our $git_version;
774 sub evaluate_git_version {
775 our $git_version = qx("$GIT" --version) =~ m/git version (.*)$/ ? $1 : "unknown";
776 $number_of_git_cmds++;
777 }
778
779 sub check_loadavg {
780 if (defined $maxload && get_loadavg() > $maxload) {
781 die_error(503, "The load average on the server is too high");
782 }
783 }
784
785 # ======================================================================
786 # input validation and dispatch
787
788 # Various hash size-related values.
789 my $sha1_len = 40;
790 my $sha256_extra_len = 24;
791 my $sha256_len = $sha1_len + $sha256_extra_len;
792
793 # A regex matching $len hex characters. $len may be a range (e.g. 7,64).
794 sub oid_nlen_regex {
795 my $len = shift;
796 my $hchr = qr/[0-9a-fA-F]/;
797 return qr/(?:(?:$hchr){$len})/;
798 }
799
800 # A regex matching two sets of $nlen hex characters, prefixed by the literal
801 # string $prefix and with the literal string $infix between them.
802 sub oid_nlen_prefix_infix_regex {
803 my $nlen = shift;
804 my $prefix = shift;
805 my $infix = shift;
806
807 my $rx = oid_nlen_regex($nlen);
808
809 return qr/^\Q$prefix\E$rx\Q$infix\E$rx$/;
810 }
811
812 # A regex matching a valid object ID.
813 our $oid_regex;
814 {
815 my $x = oid_nlen_regex($sha1_len);
816 my $y = oid_nlen_regex($sha256_extra_len);
817 $oid_regex = qr/(?:$x(?:$y)?)/;
818 }
819
820 # input parameters can be collected from a variety of sources (presently, CGI
821 # and PATH_INFO), so we define an %input_params hash that collects them all
822 # together during validation: this allows subsequent uses (e.g. href()) to be
823 # agnostic of the parameter origin
824
825 our %input_params = ();
826
827 # input parameters are stored with the long parameter name as key. This will
828 # also be used in the href subroutine to convert parameters to their CGI
829 # equivalent, and since the href() usage is the most frequent one, we store
830 # the name -> CGI key mapping here, instead of the reverse.
831 #
832 # XXX: Warning: If you touch this, check the search form for updating,
833 # too.
834
835 our @cgi_param_mapping = (
836 project => "p",
837 action => "a",
838 file_name => "f",
839 file_parent => "fp",
840 hash => "h",
841 hash_parent => "hp",
842 hash_base => "hb",
843 hash_parent_base => "hpb",
844 page => "pg",
845 order => "o",
846 searchtext => "s",
847 searchtype => "st",
848 snapshot_format => "sf",
849 extra_options => "opt",
850 search_use_regexp => "sr",
851 ctag => "by_tag",
852 diff_style => "ds",
853 project_filter => "pf",
854 # this must be last entry (for manipulation from JavaScript)
855 javascript => "js"
856 );
857 our %cgi_param_mapping = @cgi_param_mapping;
858
859 # we will also need to know the possible actions, for validation
860 our %actions = (
861 "blame" => \&git_blame,
862 "blame_incremental" => \&git_blame_incremental,
863 "blame_data" => \&git_blame_data,
864 "blobdiff" => \&git_blobdiff,
865 "blobdiff_plain" => \&git_blobdiff_plain,
866 "blob" => \&git_blob,
867 "blob_plain" => \&git_blob_plain,
868 "commitdiff" => \&git_commitdiff,
869 "commitdiff_plain" => \&git_commitdiff_plain,
870 "commit" => \&git_commit,
871 "forks" => \&git_forks,
872 "heads" => \&git_heads,
873 "history" => \&git_history,
874 "log" => \&git_log,
875 "patch" => \&git_patch,
876 "patches" => \&git_patches,
877 "remotes" => \&git_remotes,
878 "atom" => \&git_atom,
879 "search" => \&git_search,
880 "search_help" => \&git_search_help,
881 "shortlog" => \&git_shortlog,
882 "summary" => \&git_summary,
883 "tag" => \&git_tag,
884 "tags" => \&git_tags,
885 "tree" => \&git_tree,
886 "snapshot" => \&git_snapshot,
887 "object" => \&git_object,
888 # those below don't need $project
889 "opml" => \&git_opml,
890 "project_list" => \&git_project_list,
891 "project_index" => \&git_project_index,
892 );
893
894 # finally, we have the hash of allowed extra_options for the commands that
895 # allow them
896 our %allowed_options = (
897 "--no-merges" => [ qw(atom log shortlog history) ],
898 );
899
900 # fill %input_params with the CGI parameters. All values except for 'opt'
901 # should be single values, but opt can be an array. We should probably
902 # build an array of parameters that can be multi-valued, but since for the time
903 # being it's only this one, we just single it out
904 sub evaluate_query_params {
905 our $cgi;
906
907 while (my ($name, $symbol) = each %cgi_param_mapping) {
908 if ($symbol eq 'opt') {
909 $input_params{$name} = [ map { decode_utf8($_) } $cgi->multi_param($symbol) ];
910 } else {
911 $input_params{$name} = decode_utf8($cgi->param($symbol));
912 }
913 }
914 }
915
916 # now read PATH_INFO and update the parameter list for missing parameters
917 sub evaluate_path_info {
918 return if defined $input_params{'project'};
919 return if !$path_info;
920 $path_info =~ s,^/+,,;
921 return if !$path_info;
922
923 # find which part of PATH_INFO is project
924 my $project = $path_info;
925 $project =~ s,/+$,,;
926 while ($project && !check_head_link("$projectroot/$project")) {
927 $project =~ s,/*[^/]*$,,;
928 }
929 return unless $project;
930 $input_params{'project'} = $project;
931
932 # do not change any parameters if an action is given using the query string
933 return if $input_params{'action'};
934 $path_info =~ s,^\Q$project\E/*,,;
935
936 # next, check if we have an action
937 my $action = $path_info;
938 $action =~ s,/.*$,,;
939 if (exists $actions{$action}) {
940 $path_info =~ s,^$action/*,,;
941 $input_params{'action'} = $action;
942 }
943
944 # list of actions that want hash_base instead of hash, but can have no
945 # pathname (f) parameter
946 my @wants_base = (
947 'tree',
948 'history',
949 );
950
951 # we want to catch, among others
952 # [$hash_parent_base[:$file_parent]..]$hash_parent[:$file_name]
953 my ($parentrefname, $parentpathname, $refname, $pathname) =
954 ($path_info =~ /^(?:(.+?)(?::(.+))?\.\.)?([^:]+?)?(?::(.+))?$/);
955
956 # first, analyze the 'current' part
957 if (defined $pathname) {
958 # we got "branch:filename" or "branch:dir/"
959 # we could use git_get_type(branch:pathname), but:
960 # - it needs $git_dir
961 # - it does a git() call
962 # - the convention of terminating directories with a slash
963 # makes it superfluous
964 # - embedding the action in the PATH_INFO would make it even
965 # more superfluous
966 $pathname =~ s,^/+,,;
967 if (!$pathname || substr($pathname, -1) eq "/") {
968 $input_params{'action'} ||= "tree";
969 $pathname =~ s,/$,,;
970 } else {
971 # the default action depends on whether we had parent info
972 # or not
973 if ($parentrefname) {
974 $input_params{'action'} ||= "blobdiff_plain";
975 } else {
976 $input_params{'action'} ||= "blob_plain";
977 }
978 }
979 $input_params{'hash_base'} ||= $refname;
980 $input_params{'file_name'} ||= $pathname;
981 } elsif (defined $refname) {
982 # we got "branch". In this case we have to choose if we have to
983 # set hash or hash_base.
984 #
985 # Most of the actions without a pathname only want hash to be
986 # set, except for the ones specified in @wants_base that want
987 # hash_base instead. It should also be noted that hand-crafted
988 # links having 'history' as an action and no pathname or hash
989 # set will fail, but that happens regardless of PATH_INFO.
990 if (defined $parentrefname) {
991 # if there is parent let the default be 'shortlog' action
992 # (for http://git.example.com/repo.git/A..B links); if there
993 # is no parent, dispatch will detect type of object and set
994 # action appropriately if required (if action is not set)
995 $input_params{'action'} ||= "shortlog";
996 }
997 if ($input_params{'action'} &&
998 grep { $_ eq $input_params{'action'} } @wants_base) {
999 $input_params{'hash_base'} ||= $refname;
1000 } else {
1001 $input_params{'hash'} ||= $refname;
1002 }
1003 }
1004
1005 # next, handle the 'parent' part, if present
1006 if (defined $parentrefname) {
1007 # a missing pathspec defaults to the 'current' filename, allowing e.g.
1008 # someproject/blobdiff/oldrev..newrev:/filename
1009 if ($parentpathname) {
1010 $parentpathname =~ s,^/+,,;
1011 $parentpathname =~ s,/$,,;
1012 $input_params{'file_parent'} ||= $parentpathname;
1013 } else {
1014 $input_params{'file_parent'} ||= $input_params{'file_name'};
1015 }
1016 # we assume that hash_parent_base is wanted if a path was specified,
1017 # or if the action wants hash_base instead of hash
1018 if (defined $input_params{'file_parent'} ||
1019 grep { $_ eq $input_params{'action'} } @wants_base) {
1020 $input_params{'hash_parent_base'} ||= $parentrefname;
1021 } else {
1022 $input_params{'hash_parent'} ||= $parentrefname;
1023 }
1024 }
1025
1026 # for the snapshot action, we allow URLs in the form
1027 # $project/snapshot/$hash.ext
1028 # where .ext determines the snapshot and gets removed from the
1029 # passed $refname to provide the $hash.
1030 #
1031 # To be able to tell that $refname includes the format extension, we
1032 # require the following two conditions to be satisfied:
1033 # - the hash input parameter MUST have been set from the $refname part
1034 # of the URL (i.e. they must be equal)
1035 # - the snapshot format MUST NOT have been defined already (e.g. from
1036 # CGI parameter sf)
1037 # It's also useless to try any matching unless $refname has a dot,
1038 # so we check for that too
1039 if (defined $input_params{'action'} &&
1040 $input_params{'action'} eq 'snapshot' &&
1041 defined $refname && index($refname, '.') != -1 &&
1042 $refname eq $input_params{'hash'} &&
1043 !defined $input_params{'snapshot_format'}) {
1044 # We loop over the known snapshot formats, checking for
1045 # extensions. Allowed extensions are both the defined suffix
1046 # (which includes the initial dot already) and the snapshot
1047 # format key itself, with a prepended dot
1048 while (my ($fmt, $opt) = each %known_snapshot_formats) {
1049 my $hash = $refname;
1050 unless ($hash =~ s/(\Q$opt->{'suffix'}\E|\Q.$fmt\E)$//) {
1051 next;
1052 }
1053 my $sfx = $1;
1054 # a valid suffix was found, so set the snapshot format
1055 # and reset the hash parameter
1056 $input_params{'snapshot_format'} = $fmt;
1057 $input_params{'hash'} = $hash;
1058 # we also set the format suffix to the one requested
1059 # in the URL: this way a request for e.g. .tgz returns
1060 # a .tgz instead of a .tar.gz
1061 $known_snapshot_formats{$fmt}{'suffix'} = $sfx;
1062 last;
1063 }
1064 }
1065 }
1066
1067 our ($action, $project, $file_name, $file_parent, $hash, $hash_parent, $hash_base,
1068 $hash_parent_base, @extra_options, $page, $searchtype, $search_use_regexp,
1069 $searchtext, $search_regexp, $project_filter);
1070 sub evaluate_and_validate_params {
1071 our $action = $input_params{'action'};
1072 if (defined $action) {
1073 if (!is_valid_action($action)) {
1074 die_error(400, "Invalid action parameter");
1075 }
1076 }
1077
1078 # parameters which are pathnames
1079 our $project = $input_params{'project'};
1080 if (defined $project) {
1081 if (!is_valid_project($project)) {
1082 undef $project;
1083 die_error(404, "No such project");
1084 }
1085 }
1086
1087 our $project_filter = $input_params{'project_filter'};
1088 if (defined $project_filter) {
1089 if (!is_valid_pathname($project_filter)) {
1090 die_error(404, "Invalid project_filter parameter");
1091 }
1092 }
1093
1094 our $file_name = $input_params{'file_name'};
1095 if (defined $file_name) {
1096 if (!is_valid_pathname($file_name)) {
1097 die_error(400, "Invalid file parameter");
1098 }
1099 }
1100
1101 our $file_parent = $input_params{'file_parent'};
1102 if (defined $file_parent) {
1103 if (!is_valid_pathname($file_parent)) {
1104 die_error(400, "Invalid file parent parameter");
1105 }
1106 }
1107
1108 # parameters which are refnames
1109 our $hash = $input_params{'hash'};
1110 if (defined $hash) {
1111 if (!is_valid_refname($hash)) {
1112 die_error(400, "Invalid hash parameter");
1113 }
1114 }
1115
1116 our $hash_parent = $input_params{'hash_parent'};
1117 if (defined $hash_parent) {
1118 if (!is_valid_refname($hash_parent)) {
1119 die_error(400, "Invalid hash parent parameter");
1120 }
1121 }
1122
1123 our $hash_base = $input_params{'hash_base'};
1124 if (defined $hash_base) {
1125 if (!is_valid_refname($hash_base)) {
1126 die_error(400, "Invalid hash base parameter");
1127 }
1128 }
1129
1130 our @extra_options = @{$input_params{'extra_options'}};
1131 # @extra_options is always defined, since it can only be (currently) set from
1132 # CGI, and $cgi->param() returns the empty array in array context if the param
1133 # is not set
1134 foreach my $opt (@extra_options) {
1135 if (not exists $allowed_options{$opt}) {
1136 die_error(400, "Invalid option parameter");
1137 }
1138 if (not grep(/^$action$/, @{$allowed_options{$opt}})) {
1139 die_error(400, "Invalid option parameter for this action");
1140 }
1141 }
1142
1143 our $hash_parent_base = $input_params{'hash_parent_base'};
1144 if (defined $hash_parent_base) {
1145 if (!is_valid_refname($hash_parent_base)) {
1146 die_error(400, "Invalid hash parent base parameter");
1147 }
1148 }
1149
1150 # other parameters
1151 our $page = $input_params{'page'};
1152 if (defined $page) {
1153 if ($page =~ m/[^0-9]/) {
1154 die_error(400, "Invalid page parameter");
1155 }
1156 }
1157
1158 our $searchtype = $input_params{'searchtype'};
1159 if (defined $searchtype) {
1160 if ($searchtype =~ m/[^a-z]/) {
1161 die_error(400, "Invalid searchtype parameter");
1162 }
1163 }
1164
1165 our $search_use_regexp = $input_params{'search_use_regexp'};
1166
1167 our $searchtext = $input_params{'searchtext'};
1168 our $search_regexp = undef;
1169 if (defined $searchtext) {
1170 if (length($searchtext) < 2) {
1171 die_error(403, "At least two characters are required for search parameter");
1172 }
1173 if ($search_use_regexp) {
1174 $search_regexp = $searchtext;
1175 if (!eval { qr/$search_regexp/; 1; }) {
1176 (my $error = $@) =~ s/ at \S+ line \d+.*\n?//;
1177 die_error(400, "Invalid search regexp '$search_regexp'",
1178 esc_html($error));
1179 }
1180 } else {
1181 $search_regexp = quotemeta $searchtext;
1182 }
1183 }
1184 }
1185
1186 # path to the current git repository
1187 our $git_dir;
1188 sub evaluate_git_dir {
1189 our $git_dir = "$projectroot/$project" if $project;
1190 }
1191
1192 our (@snapshot_fmts, $git_avatar, @extra_branch_refs);
1193 sub configure_gitweb_features {
1194 # list of supported snapshot formats
1195 our @snapshot_fmts = gitweb_get_feature('snapshot');
1196 @snapshot_fmts = filter_snapshot_fmts(@snapshot_fmts);
1197
1198 our ($git_avatar) = gitweb_get_feature('avatar');
1199 $git_avatar = '' unless $git_avatar =~ /^(?:gravatar|picon)$/s;
1200
1201 our @extra_branch_refs = gitweb_get_feature('extra-branch-refs');
1202 @extra_branch_refs = filter_and_validate_refs (@extra_branch_refs);
1203 }
1204
1205 sub get_branch_refs {
1206 return ('heads', @extra_branch_refs);
1207 }
1208
1209 # custom error handler: 'die <message>' is Internal Server Error
1210 sub handle_errors_html {
1211 my $msg = shift; # it is already HTML escaped
1212
1213 # to avoid infinite loop where error occurs in die_error,
1214 # change handler to default handler, disabling handle_errors_html
1215 set_message("Error occurred when inside die_error:\n$msg");
1216
1217 # you cannot jump out of die_error when called as error handler;
1218 # the subroutine set via CGI::Carp::set_message is called _after_
1219 # HTTP headers are already written, so it cannot write them itself
1220 die_error(undef, undef, $msg, -error_handler => 1, -no_http_header => 1);
1221 }
1222 set_message(\&handle_errors_html);
1223
1224 # dispatch
1225 sub dispatch {
1226 if (!defined $action) {
1227 if (defined $hash) {
1228 $action = git_get_type($hash);
1229 $action or die_error(404, "Object does not exist");
1230 } elsif (defined $hash_base && defined $file_name) {
1231 $action = git_get_type("$hash_base:$file_name");
1232 $action or die_error(404, "File or directory does not exist");
1233 } elsif (defined $project) {
1234 $action = 'summary';
1235 } else {
1236 $action = 'project_list';
1237 }
1238 }
1239 if (!defined($actions{$action})) {
1240 die_error(400, "Unknown action");
1241 }
1242 if ($action !~ m/^(?:opml|project_list|project_index)$/ &&
1243 !$project) {
1244 die_error(400, "Project needed");
1245 }
1246 $actions{$action}->();
1247 }
1248
1249 sub reset_timer {
1250 our $t0 = [ gettimeofday() ]
1251 if defined $t0;
1252 our $number_of_git_cmds = 0;
1253 }
1254
1255 our $first_request = 1;
1256 sub run_request {
1257 reset_timer();
1258
1259 evaluate_uri();
1260 if ($first_request) {
1261 evaluate_gitweb_config();
1262 evaluate_git_version();
1263 }
1264 if ($per_request_config) {
1265 if (ref($per_request_config) eq 'CODE') {
1266 $per_request_config->();
1267 } elsif (!$first_request) {
1268 evaluate_gitweb_config();
1269 }
1270 }
1271 check_loadavg();
1272
1273 # $projectroot and $projects_list might be set in gitweb config file
1274 $projects_list ||= $projectroot;
1275
1276 evaluate_query_params();
1277 evaluate_path_info();
1278 evaluate_and_validate_params();
1279 evaluate_git_dir();
1280
1281 configure_gitweb_features();
1282
1283 dispatch();
1284 }
1285
1286 our $is_last_request = sub { 1 };
1287 our ($pre_dispatch_hook, $post_dispatch_hook, $pre_listen_hook);
1288 our $CGI = 'CGI';
1289 our $cgi;
1290 our $FCGI_Stream_PRINT_raw = \&FCGI::Stream::PRINT;
1291 sub configure_as_fcgi {
1292 require CGI::Fast;
1293 our $CGI = 'CGI::Fast';
1294 # FCGI is not Unicode aware hence the UTF-8 encoding must be done manually.
1295 # However no encoding must be done within git_blob_plain() and git_snapshot()
1296 # which must still output in raw binary mode.
1297 no warnings 'redefine';
1298 my $enc = Encode::find_encoding('UTF-8');
1299 *FCGI::Stream::PRINT = sub {
1300 my @OUTPUT = @_;
1301 for (my $i = 1; $i < @_; $i++) {
1302 $OUTPUT[$i] = $enc->encode($_[$i], Encode::FB_CROAK|Encode::LEAVE_SRC);
1303 }
1304 @_ = @OUTPUT;
1305 goto $FCGI_Stream_PRINT_raw;
1306 };
1307
1308 my $request_number = 0;
1309 # let each child service 100 requests
1310 our $is_last_request = sub { ++$request_number > 100 };
1311 }
1312 sub evaluate_argv {
1313 my $script_name = $ENV{'SCRIPT_NAME'} || $ENV{'SCRIPT_FILENAME'} || __FILE__;
1314 configure_as_fcgi()
1315 if $script_name =~ /\.fcgi$/;
1316
1317 return unless (@ARGV);
1318
1319 require Getopt::Long;
1320 Getopt::Long::GetOptions(
1321 'fastcgi|fcgi|f' => \&configure_as_fcgi,
1322 'nproc|n=i' => sub {
1323 my ($arg, $val) = @_;
1324 return unless eval { require FCGI::ProcManager; 1; };
1325 my $proc_manager = FCGI::ProcManager->new({
1326 n_processes => $val,
1327 });
1328 our $pre_listen_hook = sub { $proc_manager->pm_manage() };
1329 our $pre_dispatch_hook = sub { $proc_manager->pm_pre_dispatch() };
1330 our $post_dispatch_hook = sub { $proc_manager->pm_post_dispatch() };
1331 },
1332 );
1333 }
1334
1335 sub run {
1336 evaluate_argv();
1337
1338 $first_request = 1;
1339 $pre_listen_hook->()
1340 if $pre_listen_hook;
1341
1342 REQUEST:
1343 while ($cgi = $CGI->new()) {
1344 $pre_dispatch_hook->()
1345 if $pre_dispatch_hook;
1346
1347 run_request();
1348
1349 $post_dispatch_hook->()
1350 if $post_dispatch_hook;
1351 $first_request = 0;
1352
1353 last REQUEST if ($is_last_request->());
1354 }
1355
1356 DONE_GITWEB:
1357 1;
1358 }
1359
1360 run();
1361
1362 if (defined caller) {
1363 # wrapped in a subroutine processing requests,
1364 # e.g. mod_perl with ModPerl::Registry, or PSGI with Plack::App::WrapCGI
1365 return;
1366 } else {
1367 # pure CGI script, serving single request
1368 exit;
1369 }
1370
1371 ## ======================================================================
1372 ## action links
1373
1374 # possible values of extra options
1375 # -full => 0|1 - use absolute/full URL ($my_uri/$my_url as base)
1376 # -replay => 1 - start from a current view (replay with modifications)
1377 # -path_info => 0|1 - don't use/use path_info URL (if possible)
1378 # -anchor => ANCHOR - add #ANCHOR to end of URL, implies -replay if used alone
1379 sub href {
1380 my %params = @_;
1381 # default is to use -absolute url() i.e. $my_uri
1382 my $href = $params{-full} ? $my_url : $my_uri;
1383
1384 # implicit -replay, must be first of implicit params
1385 $params{-replay} = 1 if (keys %params == 1 && $params{-anchor});
1386
1387 $params{'project'} = $project unless exists $params{'project'};
1388
1389 if ($params{-replay}) {
1390 while (my ($name, $symbol) = each %cgi_param_mapping) {
1391 if (!exists $params{$name}) {
1392 $params{$name} = $input_params{$name};
1393 }
1394 }
1395 }
1396
1397 my $use_pathinfo = gitweb_check_feature('pathinfo');
1398 if (defined $params{'project'} &&
1399 (exists $params{-path_info} ? $params{-path_info} : $use_pathinfo)) {
1400 # try to put as many parameters as possible in PATH_INFO:
1401 # - project name
1402 # - action
1403 # - hash_parent or hash_parent_base:/file_parent
1404 # - hash or hash_base:/filename
1405 # - the snapshot_format as an appropriate suffix
1406
1407 # When the script is the root DirectoryIndex for the domain,
1408 # $href here would be something like http://gitweb.example.com/
1409 # Thus, we strip any trailing / from $href, to spare us double
1410 # slashes in the final URL
1411 $href =~ s,/$,,;
1412
1413 # Then add the project name, if present
1414 $href .= "/".esc_path_info($params{'project'});
1415 delete $params{'project'};
1416
1417 # since we destructively absorb parameters, we keep this
1418 # boolean that remembers if we're handling a snapshot
1419 my $is_snapshot = $params{'action'} eq 'snapshot';
1420
1421 # Summary just uses the project path URL, any other action is
1422 # added to the URL
1423 if (defined $params{'action'}) {
1424 $href .= "/".esc_path_info($params{'action'})
1425 unless $params{'action'} eq 'summary';
1426 delete $params{'action'};
1427 }
1428
1429 # Next, we put hash_parent_base:/file_parent..hash_base:/file_name,
1430 # stripping nonexistent or useless pieces
1431 $href .= "/" if ($params{'hash_base'} || $params{'hash_parent_base'}
1432 || $params{'hash_parent'} || $params{'hash'});
1433 if (defined $params{'hash_base'}) {
1434 if (defined $params{'hash_parent_base'}) {
1435 $href .= esc_path_info($params{'hash_parent_base'});
1436 # skip the file_parent if it's the same as the file_name
1437 if (defined $params{'file_parent'}) {
1438 if (defined $params{'file_name'} && $params{'file_parent'} eq $params{'file_name'}) {
1439 delete $params{'file_parent'};
1440 } elsif ($params{'file_parent'} !~ /\.\./) {
1441 $href .= ":/".esc_path_info($params{'file_parent'});
1442 delete $params{'file_parent'};
1443 }
1444 }
1445 $href .= "..";
1446 delete $params{'hash_parent'};
1447 delete $params{'hash_parent_base'};
1448 } elsif (defined $params{'hash_parent'}) {
1449 $href .= esc_path_info($params{'hash_parent'}). "..";
1450 delete $params{'hash_parent'};
1451 }
1452
1453 $href .= esc_path_info($params{'hash_base'});
1454 if (defined $params{'file_name'} && $params{'file_name'} !~ /\.\./) {
1455 $href .= ":/".esc_path_info($params{'file_name'});
1456 delete $params{'file_name'};
1457 }
1458 delete $params{'hash'};
1459 delete $params{'hash_base'};
1460 } elsif (defined $params{'hash'}) {
1461 $href .= esc_path_info($params{'hash'});
1462 delete $params{'hash'};
1463 }
1464
1465 # If the action was a snapshot, we can absorb the
1466 # snapshot_format parameter too
1467 if ($is_snapshot) {
1468 my $fmt = $params{'snapshot_format'};
1469 # snapshot_format should always be defined when href()
1470 # is called, but just in case some code forgets, we
1471 # fall back to the default
1472 $fmt ||= $snapshot_fmts[0];
1473 $href .= $known_snapshot_formats{$fmt}{'suffix'};
1474 delete $params{'snapshot_format'};
1475 }
1476 }
1477
1478 # now encode the parameters explicitly
1479 my @result = ();
1480 for (my $i = 0; $i < @cgi_param_mapping; $i += 2) {
1481 my ($name, $symbol) = ($cgi_param_mapping[$i], $cgi_param_mapping[$i+1]);
1482 if (defined $params{$name}) {
1483 if (ref($params{$name}) eq "ARRAY") {
1484 foreach my $par (@{$params{$name}}) {
1485 push @result, $symbol . "=" . esc_param($par);
1486 }
1487 } else {
1488 push @result, $symbol . "=" . esc_param($params{$name});
1489 }
1490 }
1491 }
1492 $href .= "?" . join(';', @result) if scalar @result;
1493
1494 # final transformation: trailing spaces must be escaped (URI-encoded)
1495 $href =~ s/(\s+)$/CGI::escape($1)/e;
1496
1497 if ($params{-anchor}) {
1498 $href .= "#".esc_param($params{-anchor});
1499 }
1500
1501 return $href;
1502 }
1503
1504
1505 ## ======================================================================
1506 ## validation, quoting/unquoting and escaping
1507
1508 sub is_valid_action {
1509 my $input = shift;
1510 return undef unless exists $actions{$input};
1511 return 1;
1512 }
1513
1514 sub is_valid_project {
1515 my $input = shift;
1516
1517 return unless defined $input;
1518 if (!is_valid_pathname($input) ||
1519 !(-d "$projectroot/$input") ||
1520 !check_export_ok("$projectroot/$input") ||
1521 ($strict_export && !project_in_list($input))) {
1522 return undef;
1523 } else {
1524 return 1;
1525 }
1526 }
1527
1528 sub is_valid_pathname {
1529 my $input = shift;
1530
1531 return undef unless defined $input;
1532 # no '.' or '..' as elements of path, i.e. no '.' or '..'
1533 # at the beginning, at the end, and between slashes.
1534 # also this catches doubled slashes
1535 if ($input =~ m!(^|/)(|\.|\.\.)(/|$)!) {
1536 return undef;
1537 }
1538 # no null characters
1539 if ($input =~ m!\0!) {
1540 return undef;
1541 }
1542 return 1;
1543 }
1544
1545 sub is_valid_ref_format {
1546 my $input = shift;
1547
1548 return undef unless defined $input;
1549 # restrictions on ref name according to git-check-ref-format
1550 if ($input =~ m!(/\.|\.\.|[\000-\040\177 ~^:?*\[]|/$)!) {
1551 return undef;
1552 }
1553 return 1;
1554 }
1555
1556 sub is_valid_refname {
1557 my $input = shift;
1558
1559 return undef unless defined $input;
1560 # textual hashes are O.K.
1561 if ($input =~ m/^$oid_regex$/) {
1562 return 1;
1563 }
1564 # it must be correct pathname
1565 is_valid_pathname($input) or return undef;
1566 # check git-check-ref-format restrictions
1567 is_valid_ref_format($input) or return undef;
1568 return 1;
1569 }
1570
1571 # decode sequences of octets in utf8 into Perl's internal form,
1572 # which is utf-8 with utf8 flag set if needed. gitweb writes out
1573 # in utf-8 thanks to "binmode STDOUT, ':utf8'" at beginning
1574 sub to_utf8 {
1575 my $str = shift;
1576 return undef unless defined $str;
1577
1578 if (utf8::is_utf8($str) || utf8::decode($str)) {
1579 return $str;
1580 } else {
1581 return decode($fallback_encoding, $str, Encode::FB_DEFAULT);
1582 }
1583 }
1584
1585 # quote unsafe chars, but keep the slash, even when it's not
1586 # correct, but quoted slashes look too horrible in bookmarks
1587 sub esc_param {
1588 my $str = shift;
1589 return undef unless defined $str;
1590 $str =~ s/([^A-Za-z0-9\-_.~()\/:@ ]+)/CGI::escape($1)/eg;
1591 $str =~ s/ /\+/g;
1592 return $str;
1593 }
1594
1595 # the quoting rules for path_info fragment are slightly different
1596 sub esc_path_info {
1597 my $str = shift;
1598 return undef unless defined $str;
1599
1600 # path_info doesn't treat '+' as space (specially), but '?' must be escaped
1601 $str =~ s/([^A-Za-z0-9\-_.~();\/;:@&= +]+)/CGI::escape($1)/eg;
1602
1603 return $str;
1604 }
1605
1606 # quote unsafe chars in whole URL, so some characters cannot be quoted
1607 sub esc_url {
1608 my $str = shift;
1609 return undef unless defined $str;
1610 $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&= ]+)/CGI::escape($1)/eg;
1611 $str =~ s/ /\+/g;
1612 return $str;
1613 }
1614
1615 # quote unsafe characters in HTML attributes
1616 sub esc_attr {
1617
1618 # for XHTML conformance escaping '"' to '&quot;' is not enough
1619 return esc_html(@_);
1620 }
1621
1622 # replace invalid utf8 character with SUBSTITUTION sequence
1623 sub esc_html {
1624 my $str = shift;
1625 my %opts = @_;
1626
1627 return undef unless defined $str;
1628
1629 $str = to_utf8($str);
1630 $str = $cgi->escapeHTML($str);
1631 if ($opts{'-nbsp'}) {
1632 $str =~ s/ /&nbsp;/g;
1633 }
1634 $str =~ s|([[:cntrl:]])|(($1 ne "\t") ? quot_cec($1) : $1)|eg;
1635 return $str;
1636 }
1637
1638 # quote control characters and escape filename to HTML
1639 sub esc_path {
1640 my $str = shift;
1641 my %opts = @_;
1642
1643 return undef unless defined $str;
1644
1645 $str = to_utf8($str);
1646 $str = $cgi->escapeHTML($str);
1647 if ($opts{'-nbsp'}) {
1648 $str =~ s/ /&nbsp;/g;
1649 }
1650 $str =~ s|([[:cntrl:]])|quot_cec($1)|eg;
1651 return $str;
1652 }
1653
1654 # Sanitize for use in XHTML + application/xml+xhtml (valid XML 1.0)
1655 sub sanitize {
1656 my $str = shift;
1657
1658 return undef unless defined $str;
1659
1660 $str = to_utf8($str);
1661 $str =~ s|([[:cntrl:]])|(index("\t\n\r", $1) != -1 ? $1 : quot_cec($1))|eg;
1662 return $str;
1663 }
1664
1665 # Make control characters "printable", using character escape codes (CEC)
1666 sub quot_cec {
1667 my $cntrl = shift;
1668 my %opts = @_;
1669 my %es = ( # character escape codes, aka escape sequences
1670 "\t" => '\t', # tab (HT)
1671 "\n" => '\n', # line feed (LF)
1672 "\r" => '\r', # carriage return (CR)
1673 "\f" => '\f', # form feed (FF)
1674 "\b" => '\b', # backspace (BS)
1675 "\a" => '\a', # alarm (bell) (BEL)
1676 "\e" => '\e', # escape (ESC)
1677 "\013" => '\v', # vertical tab (VT)
1678 "\000" => '\0', # nul character (NUL)
1679 );
1680 my $chr = ( (exists $es{$cntrl})
1681 ? $es{$cntrl}
1682 : sprintf('\%2x', ord($cntrl)) );
1683 if ($opts{-nohtml}) {
1684 return $chr;
1685 } else {
1686 return "<span class=\"cntrl\">$chr</span>";
1687 }
1688 }
1689
1690 # Alternatively use unicode control pictures codepoints,
1691 # Unicode "printable representation" (PR)
1692 sub quot_upr {
1693 my $cntrl = shift;
1694 my %opts = @_;
1695
1696 my $chr = sprintf('&#%04d;', 0x2400+ord($cntrl));
1697 if ($opts{-nohtml}) {
1698 return $chr;
1699 } else {
1700 return "<span class=\"cntrl\">$chr</span>";
1701 }
1702 }
1703
1704 # git may return quoted and escaped filenames
1705 sub unquote {
1706 my $str = shift;
1707
1708 sub unq {
1709 my $seq = shift;
1710 my %es = ( # character escape codes, aka escape sequences
1711 't' => "\t", # tab (HT, TAB)
1712 'n' => "\n", # newline (NL)
1713 'r' => "\r", # return (CR)
1714 'f' => "\f", # form feed (FF)
1715 'b' => "\b", # backspace (BS)
1716 'a' => "\a", # alarm (bell) (BEL)
1717 'e' => "\e", # escape (ESC)
1718 'v' => "\013", # vertical tab (VT)
1719 );
1720
1721 if ($seq =~ m/^[0-7]{1,3}$/) {
1722 # octal char sequence
1723 return chr(oct($seq));
1724 } elsif (exists $es{$seq}) {
1725 # C escape sequence, aka character escape code
1726 return $es{$seq};
1727 }
1728 # quoted ordinary character
1729 return $seq;
1730 }
1731
1732 if ($str =~ m/^"(.*)"$/) {
1733 # needs unquoting
1734 $str = $1;
1735 $str =~ s/\\([^0-7]|[0-7]{1,3})/unq($1)/eg;
1736 }
1737 return $str;
1738 }
1739
1740 # escape tabs (convert tabs to spaces)
1741 sub untabify {
1742 my $line = shift;
1743
1744 while ((my $pos = index($line, "\t")) != -1) {
1745 if (my $count = (8 - ($pos % 8))) {
1746 my $spaces = ' ' x $count;
1747 $line =~ s/\t/$spaces/;
1748 }
1749 }
1750
1751 return $line;
1752 }
1753
1754 sub project_in_list {
1755 my $project = shift;
1756 my @list = git_get_projects_list();
1757 return @list && scalar(grep { $_->{'path'} eq $project } @list);
1758 }
1759
1760 ## ----------------------------------------------------------------------
1761 ## HTML aware string manipulation
1762
1763 # Try to chop given string on a word boundary between position
1764 # $len and $len+$add_len. If there is no word boundary there,
1765 # chop at $len+$add_len. Do not chop if chopped part plus ellipsis
1766 # (marking chopped part) would be longer than given string.
1767 sub chop_str {
1768 my $str = shift;
1769 my $len = shift;
1770 my $add_len = shift || 10;
1771 my $where = shift || 'right'; # 'left' | 'center' | 'right'
1772
1773 # Make sure perl knows it is utf8 encoded so we don't
1774 # cut in the middle of a utf8 multibyte char.
1775 $str = to_utf8($str);
1776
1777 # allow only $len chars, but don't cut a word if it would fit in $add_len
1778 # if it doesn't fit, cut it if it's still longer than the dots we would add
1779 # remove chopped character entities entirely
1780
1781 # when chopping in the middle, distribute $len into left and right part
1782 # return early if chopping wouldn't make string shorter
1783 if ($where eq 'center') {
1784 return $str if ($len + 5 >= length($str)); # filler is length 5
1785 $len = int($len/2);
1786 } else {
1787 return $str if ($len + 4 >= length($str)); # filler is length 4
1788 }
1789
1790 # regexps: ending and beginning with word part up to $add_len
1791 my $endre = qr/.{$len}\w{0,$add_len}/;
1792 my $begre = qr/\w{0,$add_len}.{$len}/;
1793
1794 if ($where eq 'left') {
1795 $str =~ m/^(.*?)($begre)$/;
1796 my ($lead, $body) = ($1, $2);
1797 if (length($lead) > 4) {
1798 $lead = " ...";
1799 }
1800 return "$lead$body";
1801
1802 } elsif ($where eq 'center') {
1803 $str =~ m/^($endre)(.*)$/;
1804 my ($left, $str) = ($1, $2);
1805 $str =~ m/^(.*?)($begre)$/;
1806 my ($mid, $right) = ($1, $2);
1807 if (length($mid) > 5) {
1808 $mid = " ... ";
1809 }
1810 return "$left$mid$right";
1811
1812 } else {
1813 $str =~ m/^($endre)(.*)$/;
1814 my $body = $1;
1815 my $tail = $2;
1816 if (length($tail) > 4) {
1817 $tail = "... ";
1818 }
1819 return "$body$tail";
1820 }
1821 }
1822
1823 # takes the same arguments as chop_str, but also wraps a <span> around the
1824 # result with a title attribute if it does get chopped. Additionally, the
1825 # string is HTML-escaped.
1826 sub chop_and_escape_str {
1827 my ($str) = @_;
1828
1829 my $chopped = chop_str(@_);
1830 $str = to_utf8($str);
1831 if ($chopped eq $str) {
1832 return esc_html($chopped);
1833 } else {
1834 $str =~ s/[[:cntrl:]]/?/g;
1835 return $cgi->span({-title=>$str}, esc_html($chopped));
1836 }
1837 }
1838
1839 # Highlight selected fragments of string, using given CSS class,
1840 # and escape HTML. It is assumed that fragments do not overlap.
1841 # Regions are passed as list of pairs (array references).
1842 #
1843 # Example: esc_html_hl_regions("foobar", "mark", [ 0, 3 ]) returns
1844 # '<span class="mark">foo</span>bar'
1845 sub esc_html_hl_regions {
1846 my ($str, $css_class, @sel) = @_;
1847 my %opts = grep { ref($_) ne 'ARRAY' } @sel;
1848 @sel = grep { ref($_) eq 'ARRAY' } @sel;
1849 return esc_html($str, %opts) unless @sel;
1850
1851 my $out = '';
1852 my $pos = 0;
1853
1854 for my $s (@sel) {
1855 my ($begin, $end) = @$s;
1856
1857 # Don't create empty <span> elements.
1858 next if $end <= $begin;
1859
1860 my $escaped = esc_html(substr($str, $begin, $end - $begin),
1861 %opts);
1862
1863 $out .= esc_html(substr($str, $pos, $begin - $pos), %opts)
1864 if ($begin - $pos > 0);
1865 $out .= $cgi->span({-class => $css_class}, $escaped);
1866
1867 $pos = $end;
1868 }
1869 $out .= esc_html(substr($str, $pos), %opts)
1870 if ($pos < length($str));
1871
1872 return $out;
1873 }
1874
1875 # return positions of beginning and end of each match
1876 sub matchpos_list {
1877 my ($str, $regexp) = @_;
1878 return unless (defined $str && defined $regexp);
1879
1880 my @matches;
1881 while ($str =~ /$regexp/g) {
1882 push @matches, [$-[0], $+[0]];
1883 }
1884 return @matches;
1885 }
1886
1887 # highlight match (if any), and escape HTML
1888 sub esc_html_match_hl {
1889 my ($str, $regexp) = @_;
1890 return esc_html($str) unless defined $regexp;
1891
1892 my @matches = matchpos_list($str, $regexp);
1893 return esc_html($str) unless @matches;
1894
1895 return esc_html_hl_regions($str, 'match', @matches);
1896 }
1897
1898
1899 # highlight match (if any) of shortened string, and escape HTML
1900 sub esc_html_match_hl_chopped {
1901 my ($str, $chopped, $regexp) = @_;
1902 return esc_html_match_hl($str, $regexp) unless defined $chopped;
1903
1904 my @matches = matchpos_list($str, $regexp);
1905 return esc_html($chopped) unless @matches;
1906
1907 # filter matches so that we mark chopped string
1908 my $tail = "... "; # see chop_str
1909 unless ($chopped =~ s/\Q$tail\E$//) {
1910 $tail = '';
1911 }
1912 my $chop_len = length($chopped);
1913 my $tail_len = length($tail);
1914 my @filtered;
1915
1916 for my $m (@matches) {
1917 if ($m->[0] > $chop_len) {
1918 push @filtered, [ $chop_len, $chop_len + $tail_len ] if ($tail_len > 0);
1919 last;
1920 } elsif ($m->[1] > $chop_len) {
1921 push @filtered, [ $m->[0], $chop_len + $tail_len ];
1922 last;
1923 }
1924 push @filtered, $m;
1925 }
1926
1927 return esc_html_hl_regions($chopped . $tail, 'match', @filtered);
1928 }
1929
1930 ## ----------------------------------------------------------------------
1931 ## functions returning short strings
1932
1933 # CSS class for given age value (in seconds)
1934 sub age_class {
1935 my $age = shift;
1936
1937 if (!defined $age) {
1938 return "noage";
1939 } elsif ($age < 60*60*2) {
1940 return "age0";
1941 } elsif ($age < 60*60*24*2) {
1942 return "age1";
1943 } else {
1944 return "age2";
1945 }
1946 }
1947
1948 # convert age in seconds to "nn units ago" string
1949 sub age_string {
1950 my $age = shift;
1951 my $age_str;
1952
1953 if ($age > 60*60*24*365*2) {
1954 $age_str = (int $age/60/60/24/365);
1955 $age_str .= " years ago";
1956 } elsif ($age > 60*60*24*(365/12)*2) {
1957 $age_str = int $age/60/60/24/(365/12);
1958 $age_str .= " months ago";
1959 } elsif ($age > 60*60*24*7*2) {
1960 $age_str = int $age/60/60/24/7;
1961 $age_str .= " weeks ago";
1962 } elsif ($age > 60*60*24*2) {
1963 $age_str = int $age/60/60/24;
1964 $age_str .= " days ago";
1965 } elsif ($age > 60*60*2) {
1966 $age_str = int $age/60/60;
1967 $age_str .= " hours ago";
1968 } elsif ($age > 60*2) {
1969 $age_str = int $age/60;
1970 $age_str .= " min ago";
1971 } elsif ($age > 2) {
1972 $age_str = int $age;
1973 $age_str .= " sec ago";
1974 } else {
1975 $age_str .= " right now";
1976 }
1977 return $age_str;
1978 }
1979
1980 use constant {
1981 S_IFINVALID => 0030000,
1982 S_IFGITLINK => 0160000,
1983 };
1984
1985 # submodule/subproject, a commit object reference
1986 sub S_ISGITLINK {
1987 my $mode = shift;
1988
1989 return (($mode & S_IFMT) == S_IFGITLINK)
1990 }
1991
1992 # convert file mode in octal to symbolic file mode string
1993 sub mode_str {
1994 my $mode = oct shift;
1995
1996 if (S_ISGITLINK($mode)) {
1997 return 'm---------';
1998 } elsif (S_ISDIR($mode & S_IFMT)) {
1999 return 'drwxr-xr-x';
2000 } elsif (S_ISLNK($mode)) {
2001 return 'lrwxrwxrwx';
2002 } elsif (S_ISREG($mode)) {
2003 # git cares only about the executable bit
2004 if ($mode & S_IXUSR) {
2005 return '-rwxr-xr-x';
2006 } else {
2007 return '-rw-r--r--';
2008 };
2009 } else {
2010 return '----------';
2011 }
2012 }
2013
2014 # convert file mode in octal to file type string
2015 sub file_type {
2016 my $mode = shift;
2017
2018 if ($mode !~ m/^[0-7]+$/) {
2019 return $mode;
2020 } else {
2021 $mode = oct $mode;
2022 }
2023
2024 if (S_ISGITLINK($mode)) {
2025 return "submodule";
2026 } elsif (S_ISDIR($mode & S_IFMT)) {
2027 return "directory";
2028 } elsif (S_ISLNK($mode)) {
2029 return "symlink";
2030 } elsif (S_ISREG($mode)) {
2031 return "file";
2032 } else {
2033 return "unknown";
2034 }
2035 }
2036
2037 # convert file mode in octal to file type description string
2038 sub file_type_long {
2039 my $mode = shift;
2040
2041 if ($mode !~ m/^[0-7]+$/) {
2042 return $mode;
2043 } else {
2044 $mode = oct $mode;
2045 }
2046
2047 if (S_ISGITLINK($mode)) {
2048 return "submodule";
2049 } elsif (S_ISDIR($mode & S_IFMT)) {
2050 return "directory";
2051 } elsif (S_ISLNK($mode)) {
2052 return "symlink";
2053 } elsif (S_ISREG($mode)) {
2054 if ($mode & S_IXUSR) {
2055 return "executable";
2056 } else {
2057 return "file";
2058 };
2059 } else {
2060 return "unknown";
2061 }
2062 }
2063
2064
2065 ## ----------------------------------------------------------------------
2066 ## functions returning short HTML fragments, or transforming HTML fragments
2067 ## which don't belong to other sections
2068
2069 # format line of commit message.
2070 sub format_log_line_html {
2071 my $line = shift;
2072
2073 # Potentially abbreviated OID.
2074 my $regex = oid_nlen_regex("7,64");
2075
2076 $line = esc_html($line, -nbsp=>1);
2077 $line =~ s{
2078 \b
2079 (
2080 # The output of "git describe", e.g. v2.10.0-297-gf6727b0
2081 # or hadoop-20160921-113441-20-g094fb7d
2082 (?<!-) # see strbuf_check_tag_ref(). Tags can't start with -
2083 [A-Za-z0-9.-]+
2084 (?!\.) # refs can't end with ".", see check_refname_format()
2085 -g$regex
2086 |
2087 # Just a normal looking Git SHA1
2088 $regex
2089 )
2090 \b
2091 }{
2092 $cgi->a({-href => href(action=>"object", hash=>$1),
2093 -class => "text"}, $1);
2094 }egx;
2095
2096 return $line;
2097 }
2098
2099 # format marker of refs pointing to given object
2100
2101 # the destination action is chosen based on object type and current context:
2102 # - for annotated tags, we choose the tag view unless it's the current view
2103 # already, in which case we go to shortlog view
2104 # - for other refs, we keep the current view if we're in history, shortlog or
2105 # log view, and select shortlog otherwise
2106 sub format_ref_marker {
2107 my ($refs, $id) = @_;
2108 my $markers = '';
2109
2110 if (defined $refs->{$id}) {
2111 foreach my $ref (@{$refs->{$id}}) {
2112 # this code exploits the fact that non-lightweight tags are the
2113 # only indirect objects, and that they are the only objects for which
2114 # we want to use tag instead of shortlog as action
2115 my ($type, $name) = qw();
2116 my $indirect = ($ref =~ s/\^\{\}$//);
2117 # e.g. tags/v2.6.11 or heads/next
2118 if ($ref =~ m!^(.*?)s?/(.*)$!) {
2119 $type = $1;
2120 $name = $2;
2121 } else {
2122 $type = "ref";
2123 $name = $ref;
2124 }
2125
2126 my $class = $type;
2127 $class .= " indirect" if $indirect;
2128
2129 my $dest_action = "shortlog";
2130
2131 if ($indirect) {
2132 $dest_action = "tag" unless $action eq "tag";
2133 } elsif ($action =~ /^(history|(short)?log)$/) {
2134 $dest_action = $action;
2135 }
2136
2137 my $dest = "";
2138 $dest .= "refs/" unless $ref =~ m!^refs/!;
2139 $dest .= $ref;
2140
2141 my $link = $cgi->a({
2142 -href => href(
2143 action=>$dest_action,
2144 hash=>$dest
2145 )}, esc_html($name));
2146
2147 $markers .= " <span class=\"".esc_attr($class)."\" title=\"".esc_attr($ref)."\">" .
2148 $link . "</span>";
2149 }
2150 }
2151
2152 if ($markers) {
2153 return ' <span class="refs">'. $markers . '</span>';
2154 } else {
2155 return "";
2156 }
2157 }
2158
2159 # format, perhaps shortened and with markers, title line
2160 sub format_subject_html {
2161 my ($long, $short, $href, $extra) = @_;
2162 $extra = '' unless defined($extra);
2163
2164 if (length($short) < length($long)) {
2165 $long =~ s/[[:cntrl:]]/?/g;
2166 return $cgi->a({-href => $href, -class => "list subject",
2167 -title => to_utf8($long)},
2168 esc_html($short)) . $extra;
2169 } else {
2170 return $cgi->a({-href => $href, -class => "list subject"},
2171 esc_html($long)) . $extra;
2172 }
2173 }
2174
2175 # Rather than recomputing the url for an email multiple times, we cache it
2176 # after the first hit. This gives a visible benefit in views where the avatar
2177 # for the same email is used repeatedly (e.g. shortlog).
2178 # The cache is shared by all avatar engines (currently gravatar only), which
2179 # are free to use it as preferred. Since only one avatar engine is used for any
2180 # given page, there's no risk for cache conflicts.
2181 our %avatar_cache = ();
2182
2183 # Compute the picon url for a given email, by using the picon search service over at
2184 # http://www.cs.indiana.edu/picons/search.html
2185 sub picon_url {
2186 my $email = lc shift;
2187 if (!$avatar_cache{$email}) {
2188 my ($user, $domain) = split('@', $email);
2189 $avatar_cache{$email} =
2190 "//www.cs.indiana.edu/cgi-pub/kinzler/piconsearch.cgi/" .
2191 "$domain/$user/" .
2192 "users+domains+unknown/up/single";
2193 }
2194 return $avatar_cache{$email};
2195 }
2196
2197 # Compute the gravatar url for a given email, if it's not in the cache already.
2198 # Gravatar stores only the part of the URL before the size, since that's the
2199 # one computationally more expensive. This also allows reuse of the cache for
2200 # different sizes (for this particular engine).
2201 sub gravatar_url {
2202 my $email = lc shift;
2203 my $size = shift;
2204 $avatar_cache{$email} ||=
2205 "//www.gravatar.com/avatar/" .
2206 md5_hex($email) . "?s=";
2207 return $avatar_cache{$email} . $size;
2208 }
2209
2210 # Insert an avatar for the given $email at the given $size if the feature
2211 # is enabled.
2212 sub git_get_avatar {
2213 my ($email, %opts) = @_;
2214 my $pre_white = ($opts{-pad_before} ? "&nbsp;" : "");
2215 my $post_white = ($opts{-pad_after} ? "&nbsp;" : "");
2216 $opts{-size} ||= 'default';
2217 my $size = $avatar_size{$opts{-size}} || $avatar_size{'default'};
2218 my $url = "";
2219 if ($git_avatar eq 'gravatar') {
2220 $url = gravatar_url($email, $size);
2221 } elsif ($git_avatar eq 'picon') {
2222 $url = picon_url($email);
2223 }
2224 # Other providers can be added by extending the if chain, defining $url
2225 # as needed. If no variant puts something in $url, we assume avatars
2226 # are completely disabled/unavailable.
2227 if ($url) {
2228 return $pre_white .
2229 "<img width=\"$size\" " .
2230 "class=\"avatar\" " .
2231 "src=\"".esc_url($url)."\" " .
2232 "alt=\"\" " .
2233 "/>" . $post_white;
2234 } else {
2235 return "";
2236 }
2237 }
2238
2239 sub format_search_author {
2240 my ($author, $searchtype, $displaytext) = @_;
2241 my $have_search = gitweb_check_feature('search');
2242
2243 if ($have_search) {
2244 my $performed = "";
2245 if ($searchtype eq 'author') {
2246 $performed = "authored";
2247 } elsif ($searchtype eq 'committer') {
2248 $performed = "committed";
2249 }
2250
2251 return $cgi->a({-href => href(action=>"search", hash=>$hash,
2252 searchtext=>$author,
2253 searchtype=>$searchtype), class=>"list",
2254 title=>"Search for commits $performed by $author"},
2255 $displaytext);
2256
2257 } else {
2258 return $displaytext;
2259 }
2260 }
2261
2262 # format the author name of the given commit with the given tag
2263 # the author name is chopped and escaped according to the other
2264 # optional parameters (see chop_str).
2265 sub format_author_html {
2266 my $tag = shift;
2267 my $co = shift;
2268 my $author = chop_and_escape_str($co->{'author_name'}, @_);
2269 return "<$tag class=\"author\">" .
2270 format_search_author($co->{'author_name'}, "author",
2271 git_get_avatar($co->{'author_email'}, -pad_after => 1) .
2272 $author) .
2273 "</$tag>";
2274 }
2275
2276 # format git diff header line, i.e. "diff --(git|combined|cc) ..."
2277 sub format_git_diff_header_line {
2278 my $line = shift;
2279 my $diffinfo = shift;
2280 my ($from, $to) = @_;
2281
2282 if ($diffinfo->{'nparents'}) {
2283 # combined diff
2284 $line =~ s!^(diff (.*?) )"?.*$!$1!;
2285 if ($to->{'href'}) {
2286 $line .= $cgi->a({-href => $to->{'href'}, -class => "path"},
2287 esc_path($to->{'file'}));
2288 } else { # file was deleted (no href)
2289 $line .= esc_path($to->{'file'});
2290 }
2291 } else {
2292 # "ordinary" diff
2293 $line =~ s!^(diff (.*?) )"?a/.*$!$1!;
2294 if ($from->{'href'}) {
2295 $line .= $cgi->a({-href => $from->{'href'}, -class => "path"},
2296 'a/' . esc_path($from->{'file'}));
2297 } else { # file was added (no href)
2298 $line .= 'a/' . esc_path($from->{'file'});
2299 }
2300 $line .= ' ';
2301 if ($to->{'href'}) {
2302 $line .= $cgi->a({-href => $to->{'href'}, -class => "path"},
2303 'b/' . esc_path($to->{'file'}));
2304 } else { # file was deleted
2305 $line .= 'b/' . esc_path($to->{'file'});
2306 }
2307 }
2308
2309 return "<div class=\"diff header\">$line</div>\n";
2310 }
2311
2312 # format extended diff header line, before patch itself
2313 sub format_extended_diff_header_line {
2314 my $line = shift;
2315 my $diffinfo = shift;
2316 my ($from, $to) = @_;
2317
2318 # match <path>
2319 if ($line =~ s!^((copy|rename) from ).*$!$1! && $from->{'href'}) {
2320 $line .= $cgi->a({-href=>$from->{'href'}, -class=>"path"},
2321 esc_path($from->{'file'}));
2322 }
2323 if ($line =~ s!^((copy|rename) to ).*$!$1! && $to->{'href'}) {
2324 $line .= $cgi->a({-href=>$to->{'href'}, -class=>"path"},
2325 esc_path($to->{'file'}));
2326 }
2327 # match single <mode>
2328 if ($line =~ m/\s(\d{6})$/) {
2329 $line .= '<span class="info"> (' .
2330 file_type_long($1) .
2331 ')</span>';
2332 }
2333 # match <hash>
2334 if ($line =~ oid_nlen_prefix_infix_regex($sha1_len, "index ", ",") |
2335 $line =~ oid_nlen_prefix_infix_regex($sha256_len, "index ", ",")) {
2336 # can match only for combined diff
2337 $line = 'index ';
2338 for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
2339 if ($from->{'href'}[$i]) {
2340 $line .= $cgi->a({-href=>$from->{'href'}[$i],
2341 -class=>"hash"},
2342 substr($diffinfo->{'from_id'}[$i],0,7));
2343 } else {
2344 $line .= '0' x 7;
2345 }
2346 # separator
2347 $line .= ',' if ($i < $diffinfo->{'nparents'} - 1);
2348 }
2349 $line .= '..';
2350 if ($to->{'href'}) {
2351 $line .= $cgi->a({-href=>$to->{'href'}, -class=>"hash"},
2352 substr($diffinfo->{'to_id'},0,7));
2353 } else {
2354 $line .= '0' x 7;
2355 }
2356
2357 } elsif ($line =~ oid_nlen_prefix_infix_regex($sha1_len, "index ", "..") |
2358 $line =~ oid_nlen_prefix_infix_regex($sha256_len, "index ", "..")) {
2359 # can match only for ordinary diff
2360 my ($from_link, $to_link);
2361 if ($from->{'href'}) {
2362 $from_link = $cgi->a({-href=>$from->{'href'}, -class=>"hash"},
2363 substr($diffinfo->{'from_id'},0,7));
2364 } else {
2365 $from_link = '0' x 7;
2366 }
2367 if ($to->{'href'}) {
2368 $to_link = $cgi->a({-href=>$to->{'href'}, -class=>"hash"},
2369 substr($diffinfo->{'to_id'},0,7));
2370 } else {
2371 $to_link = '0' x 7;
2372 }
2373 my ($from_id, $to_id) = ($diffinfo->{'from_id'}, $diffinfo->{'to_id'});
2374 $line =~ s!$from_id\.\.$to_id!$from_link..$to_link!;
2375 }
2376
2377 return $line . "<br/>\n";
2378 }
2379
2380 # format from-file/to-file diff header
2381 sub format_diff_from_to_header {
2382 my ($from_line, $to_line, $diffinfo, $from, $to, @parents) = @_;
2383 my $line;
2384 my $result = '';
2385
2386 $line = $from_line;
2387 #assert($line =~ m/^---/) if DEBUG;
2388 # no extra formatting for "^--- /dev/null"
2389 if (! $diffinfo->{'nparents'}) {
2390 # ordinary (single parent) diff
2391 if ($line =~ m!^--- "?a/!) {
2392 if ($from->{'href'}) {
2393 $line = '--- a/' .
2394 $cgi->a({-href=>$from->{'href'}, -class=>"path"},
2395 esc_path($from->{'file'}));
2396 } else {
2397 $line = '--- a/' .
2398 esc_path($from->{'file'});
2399 }
2400 }
2401 $result .= qq!<div class="diff from_file">$line</div>\n!;
2402
2403 } else {
2404 # combined diff (merge commit)
2405 for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
2406 if ($from->{'href'}[$i]) {
2407 $line = '--- ' .
2408 $cgi->a({-href=>href(action=>"blobdiff",
2409 hash_parent=>$diffinfo->{'from_id'}[$i],
2410 hash_parent_base=>$parents[$i],
2411 file_parent=>$from->{'file'}[$i],
2412 hash=>$diffinfo->{'to_id'},
2413 hash_base=>$hash,
2414 file_name=>$to->{'file'}),
2415 -class=>"path",
2416 -title=>"diff" . ($i+1)},
2417 $i+1) .
2418 '/' .
2419 $cgi->a({-href=>$from->{'href'}[$i], -class=>"path"},
2420 esc_path($from->{'file'}[$i]));
2421 } else {
2422 $line = '--- /dev/null';
2423 }
2424 $result .= qq!<div class="diff from_file">$line</div>\n!;
2425 }
2426 }
2427
2428 $line = $to_line;
2429 #assert($line =~ m/^\+\+\+/) if DEBUG;
2430 # no extra formatting for "^+++ /dev/null"
2431 if ($line =~ m!^\+\+\+ "?b/!) {
2432 if ($to->{'href'}) {
2433 $line = '+++ b/' .
2434 $cgi->a({-href=>$to->{'href'}, -class=>"path"},
2435 esc_path($to->{'file'}));
2436 } else {
2437 $line = '+++ b/' .
2438 esc_path($to->{'file'});
2439 }
2440 }
2441 $result .= qq!<div class="diff to_file">$line</div>\n!;
2442
2443 return $result;
2444 }
2445
2446 # create note for patch simplified by combined diff
2447 sub format_diff_cc_simplified {
2448 my ($diffinfo, @parents) = @_;
2449 my $result = '';
2450
2451 $result .= "<div class=\"diff header\">" .
2452 "diff --cc ";
2453 if (!is_deleted($diffinfo)) {
2454 $result .= $cgi->a({-href => href(action=>"blob",
2455 hash_base=>$hash,
2456 hash=>$diffinfo->{'to_id'},
2457 file_name=>$diffinfo->{'to_file'}),
2458 -class => "path"},
2459 esc_path($diffinfo->{'to_file'}));
2460 } else {
2461 $result .= esc_path($diffinfo->{'to_file'});
2462 }
2463 $result .= "</div>\n" . # class="diff header"
2464 "<div class=\"diff nodifferences\">" .
2465 "Simple merge" .
2466 "</div>\n"; # class="diff nodifferences"
2467
2468 return $result;
2469 }
2470
2471 sub diff_line_class {
2472 my ($line, $from, $to) = @_;
2473
2474 # ordinary diff
2475 my $num_sign = 1;
2476 # combined diff
2477 if ($from && $to && ref($from->{'href'}) eq "ARRAY") {
2478 $num_sign = scalar @{$from->{'href'}};
2479 }
2480
2481 my @diff_line_classifier = (
2482 { regexp => qr/^\@\@{$num_sign} /, class => "chunk_header"},
2483 { regexp => qr/^\\/, class => "incomplete" },
2484 { regexp => qr/^ {$num_sign}/, class => "ctx" },
2485 # classifier for context must come before classifier add/rem,
2486 # or we would have to use more complicated regexp, for example
2487 # qr/(?= {0,$m}\+)[+ ]{$num_sign}/, where $m = $num_sign - 1;
2488 { regexp => qr/^[+ ]{$num_sign}/, class => "add" },
2489 { regexp => qr/^[- ]{$num_sign}/, class => "rem" },
2490 );
2491 for my $clsfy (@diff_line_classifier) {
2492 return $clsfy->{'class'}
2493 if ($line =~ $clsfy->{'regexp'});
2494 }
2495
2496 # fallback
2497 return "";
2498 }
2499
2500 # assumes that $from and $to are defined and correctly filled,
2501 # and that $line holds a line of chunk header for unified diff
2502 sub format_unidiff_chunk_header {
2503 my ($line, $from, $to) = @_;
2504
2505 my ($from_text, $from_start, $from_lines, $to_text, $to_start, $to_lines, $section) =
2506 $line =~ m/^\@{2} (-(\d+)(?:,(\d+))?) (\+(\d+)(?:,(\d+))?) \@{2}(.*)$/;
2507
2508 $from_lines = 0 unless defined $from_lines;
2509 $to_lines = 0 unless defined $to_lines;
2510
2511 if ($from->{'href'}) {
2512 $from_text = $cgi->a({-href=>"$from->{'href'}#l$from_start",
2513 -class=>"list"}, $from_text);
2514 }
2515 if ($to->{'href'}) {
2516 $to_text = $cgi->a({-href=>"$to->{'href'}#l$to_start",
2517 -class=>"list"}, $to_text);
2518 }
2519 $line = "<span class=\"chunk_info\">@@ $from_text $to_text @@</span>" .
2520 "<span class=\"section\">" . esc_html($section, -nbsp=>1) . "</span>";
2521 return $line;
2522 }
2523
2524 # assumes that $from and $to are defined and correctly filled,
2525 # and that $line holds a line of chunk header for combined diff
2526 sub format_cc_diff_chunk_header {
2527 my ($line, $from, $to) = @_;
2528
2529 my ($prefix, $ranges, $section) = $line =~ m/^(\@+) (.*?) \@+(.*)$/;
2530 my (@from_text, @from_start, @from_nlines, $to_text, $to_start, $to_nlines);
2531
2532 @from_text = split(' ', $ranges);
2533 for (my $i = 0; $i < @from_text; ++$i) {
2534 ($from_start[$i], $from_nlines[$i]) =
2535 (split(',', substr($from_text[$i], 1)), 0);
2536 }
2537
2538 $to_text = pop @from_text;
2539 $to_start = pop @from_start;
2540 $to_nlines = pop @from_nlines;
2541
2542 $line = "<span class=\"chunk_info\">$prefix ";
2543 for (my $i = 0; $i < @from_text; ++$i) {
2544 if ($from->{'href'}[$i]) {
2545 $line .= $cgi->a({-href=>"$from->{'href'}[$i]#l$from_start[$i]",
2546 -class=>"list"}, $from_text[$i]);
2547 } else {
2548 $line .= $from_text[$i];
2549 }
2550 $line .= " ";
2551 }
2552 if ($to->{'href'}) {
2553 $line .= $cgi->a({-href=>"$to->{'href'}#l$to_start",
2554 -class=>"list"}, $to_text);
2555 } else {
2556 $line .= $to_text;
2557 }
2558 $line .= " $prefix</span>" .
2559 "<span class=\"section\">" . esc_html($section, -nbsp=>1) . "</span>";
2560 return $line;
2561 }
2562
2563 # process patch (diff) line (not to be used for diff headers),
2564 # returning HTML-formatted (but not wrapped) line.
2565 # If the line is passed as a reference, it is treated as HTML and not
2566 # esc_html()'ed.
2567 sub format_diff_line {
2568 my ($line, $diff_class, $from, $to) = @_;
2569
2570 if (ref($line)) {
2571 $line = $$line;
2572 } else {
2573 chomp $line;
2574 $line = untabify($line);
2575
2576 if ($from && $to && $line =~ m/^\@{2} /) {
2577 $line = format_unidiff_chunk_header($line, $from, $to);
2578 } elsif ($from && $to && $line =~ m/^\@{3}/) {
2579 $line = format_cc_diff_chunk_header($line, $from, $to);
2580 } else {
2581 $line = esc_html($line, -nbsp=>1);
2582 }
2583 }
2584
2585 my $diff_classes = "diff";
2586 $diff_classes .= " $diff_class" if ($diff_class);
2587 $line = "<div class=\"$diff_classes\">$line</div>\n";
2588
2589 return $line;
2590 }
2591
2592 # Generates undef or something like "_snapshot_" or "snapshot (_tbz2_ _zip_)",
2593 # linked. Pass the hash of the tree/commit to snapshot.
2594 sub format_snapshot_links {
2595 my ($hash) = @_;
2596 my $num_fmts = @snapshot_fmts;
2597 if ($num_fmts > 1) {
2598 # A parenthesized list of links bearing format names.
2599 # e.g. "snapshot (_tar.gz_ _zip_)"
2600 return "snapshot (" . join(' ', map
2601 $cgi->a({
2602 -href => href(
2603 action=>"snapshot",
2604 hash=>$hash,
2605 snapshot_format=>$_
2606 )
2607 }, $known_snapshot_formats{$_}{'display'})
2608 , @snapshot_fmts) . ")";
2609 } elsif ($num_fmts == 1) {
2610 # A single "snapshot" link whose tooltip bears the format name.
2611 # i.e. "_snapshot_"
2612 my ($fmt) = @snapshot_fmts;
2613 return
2614 $cgi->a({
2615 -href => href(
2616 action=>"snapshot",
2617 hash=>$hash,
2618 snapshot_format=>$fmt
2619 ),
2620 -title => "in format: $known_snapshot_formats{$fmt}{'display'}"
2621 }, "snapshot");
2622 } else { # $num_fmts == 0
2623 return undef;
2624 }
2625 }
2626
2627 ## ......................................................................
2628 ## functions returning values to be passed, perhaps after some
2629 ## transformation, to other functions; e.g. returning arguments to href()
2630
2631 # returns hash to be passed to href to generate gitweb URL
2632 # in -title key it returns description of link
2633 sub get_feed_info {
2634 my $format = shift || 'Atom';
2635 my %res = (action => lc($format));
2636 my $matched_ref = 0;
2637
2638 # feed links are possible only for project views
2639 return unless (defined $project);
2640 # some views should link to OPML, or to generic project feed,
2641 # or don't have specific feed yet (so they should use generic)
2642 return if (!$action || $action =~ /^(?:tags|heads|forks|tag|search)$/x);
2643
2644 my $branch = undef;
2645 # branches refs uses 'refs/' + $get_branch_refs()[x] + '/' prefix
2646 # (fullname) to differentiate from tag links; this also makes
2647 # possible to detect branch links
2648 for my $ref (get_branch_refs()) {
2649 if ((defined $hash_base && $hash_base =~ m!^refs/\Q$ref\E/(.*)$!) ||
2650 (defined $hash && $hash =~ m!^refs/\Q$ref\E/(.*)$!)) {
2651 $branch = $1;
2652 $matched_ref = $ref;
2653 last;
2654 }
2655 }
2656 # find log type for feed description (title)
2657 my $type = 'log';
2658 if (defined $file_name) {
2659 $type = "history of $file_name";
2660 $type .= "/" if ($action eq 'tree');
2661 $type .= " on '$branch'" if (defined $branch);
2662 } else {
2663 $type = "log of $branch" if (defined $branch);
2664 }
2665
2666 $res{-title} = $type;
2667 $res{'hash'} = (defined $branch ? "refs/$matched_ref/$branch" : undef);
2668 $res{'file_name'} = $file_name;
2669
2670 return %res;
2671 }
2672
2673 ## ----------------------------------------------------------------------
2674 ## git utility subroutines, invoking git commands
2675
2676 # returns path to the core git executable and the --git-dir parameter as list
2677 sub git_cmd {
2678 $number_of_git_cmds++;
2679 return $GIT, '--git-dir='.$git_dir;
2680 }
2681
2682 # quote the given arguments for passing them to the shell
2683 # quote_command("command", "arg 1", "arg with ' and ! characters")
2684 # => "'command' 'arg 1' 'arg with '\'' and '\!' characters'"
2685 # Try to avoid using this function wherever possible.
2686 sub quote_command {
2687 return join(' ',
2688 map { my $a = $_; $a =~ s/(['!])/'\\$1'/g; "'$a'" } @_ );
2689 }
2690
2691 # get HEAD ref of given project as hash
2692 sub git_get_head_hash {
2693 return git_get_full_hash(shift, 'HEAD');
2694 }
2695
2696 sub git_get_full_hash {
2697 return git_get_hash(@_);
2698 }
2699
2700 sub git_get_short_hash {
2701 return git_get_hash(@_, '--short=7');
2702 }
2703
2704 sub git_get_hash {
2705 my ($project, $hash, @options) = @_;
2706 my $o_git_dir = $git_dir;
2707 my $retval = undef;
2708 $git_dir = "$projectroot/$project";
2709 if (open my $fd, '-|', git_cmd(), 'rev-parse',
2710 '--verify', '-q', @options, $hash) {
2711 $retval = <$fd>;
2712 chomp $retval if defined $retval;
2713 close $fd;
2714 }
2715 if (defined $o_git_dir) {
2716 $git_dir = $o_git_dir;
2717 }
2718 return $retval;
2719 }
2720
2721 # get type of given object
2722 sub git_get_type {
2723 my $hash = shift;
2724
2725 open my $fd, "-|", git_cmd(), "cat-file", '-t', $hash or return;
2726 my $type = <$fd>;
2727 close $fd or return;
2728 chomp $type;
2729 return $type;
2730 }
2731
2732 # repository configuration
2733 our $config_file = '';
2734 our %config;
2735
2736 # store multiple values for single key as anonymous array reference
2737 # single values stored directly in the hash, not as [ <value> ]
2738 sub hash_set_multi {
2739 my ($hash, $key, $value) = @_;
2740
2741 if (!exists $hash->{$key}) {
2742 $hash->{$key} = $value;
2743 } elsif (!ref $hash->{$key}) {
2744 $hash->{$key} = [ $hash->{$key}, $value ];
2745 } else {
2746 push @{$hash->{$key}}, $value;
2747 }
2748 }
2749
2750 # return hash of git project configuration
2751 # optionally limited to some section, e.g. 'gitweb'
2752 sub git_parse_project_config {
2753 my $section_regexp = shift;
2754 my %config;
2755
2756 local $/ = "\0";
2757
2758 open my $fh, "-|", git_cmd(), "config", '-z', '-l',
2759 or return;
2760
2761 while (my $keyval = <$fh>) {
2762 chomp $keyval;
2763 my ($key, $value) = split(/\n/, $keyval, 2);
2764
2765 hash_set_multi(\%config, $key, $value)
2766 if (!defined $section_regexp || $key =~ /^(?:$section_regexp)\./o);
2767 }
2768 close $fh;
2769
2770 return %config;
2771 }
2772
2773 # convert config value to boolean: 'true' or 'false'
2774 # no value, number > 0, 'true' and 'yes' values are true
2775 # rest of values are treated as false (never as error)
2776 sub config_to_bool {
2777 my $val = shift;
2778
2779 return 1 if !defined $val; # section.key
2780
2781 # strip leading and trailing whitespace
2782 $val =~ s/^\s+//;
2783 $val =~ s/\s+$//;
2784
2785 return (($val =~ /^\d+$/ && $val) || # section.key = 1
2786 ($val =~ /^(?:true|yes)$/i)); # section.key = true
2787 }
2788
2789 # convert config value to simple decimal number
2790 # an optional value suffix of 'k', 'm', or 'g' will cause the value
2791 # to be multiplied by 1024, 1048576, or 1073741824
2792 sub config_to_int {
2793 my $val = shift;
2794
2795 # strip leading and trailing whitespace
2796 $val =~ s/^\s+//;
2797 $val =~ s/\s+$//;
2798
2799 if (my ($num, $unit) = ($val =~ /^([0-9]*)([kmg])$/i)) {
2800 $unit = lc($unit);
2801 # unknown unit is treated as 1
2802 return $num * ($unit eq 'g' ? 1073741824 :
2803 $unit eq 'm' ? 1048576 :
2804 $unit eq 'k' ? 1024 : 1);
2805 }
2806 return $val;
2807 }
2808
2809 # convert config value to array reference, if needed
2810 sub config_to_multi {
2811 my $val = shift;
2812
2813 return ref($val) ? $val : (defined($val) ? [ $val ] : []);
2814 }
2815
2816 sub git_get_project_config {
2817 my ($key, $type) = @_;
2818
2819 return unless defined $git_dir;
2820
2821 # key sanity check
2822 return unless ($key);
2823 # only subsection, if exists, is case sensitive,
2824 # and not lowercased by 'git config -z -l'
2825 if (my ($hi, $mi, $lo) = ($key =~ /^([^.]*)\.(.*)\.([^.]*)$/)) {
2826 $lo =~ s/_//g;
2827 $key = join(".", lc($hi), $mi, lc($lo));
2828 return if ($lo =~ /\W/ || $hi =~ /\W/);
2829 } else {
2830 $key = lc($key);
2831 $key =~ s/_//g;
2832 return if ($key =~ /\W/);
2833 }
2834 $key =~ s/^gitweb\.//;
2835
2836 # type sanity check
2837 if (defined $type) {
2838 $type =~ s/^--//;
2839 $type = undef
2840 unless ($type eq 'bool' || $type eq 'int');
2841 }
2842
2843 # get config
2844 if (!defined $config_file ||
2845 $config_file ne "$git_dir/config") {
2846 %config = git_parse_project_config('gitweb');
2847 $config_file = "$git_dir/config";
2848 }
2849
2850 # check if config variable (key) exists
2851 return unless exists $config{"gitweb.$key"};
2852
2853 # ensure given type
2854 if (!defined $type) {
2855 return $config{"gitweb.$key"};
2856 } elsif ($type eq 'bool') {
2857 # backward compatibility: 'git config --bool' returns true/false
2858 return config_to_bool($config{"gitweb.$key"}) ? 'true' : 'false';
2859 } elsif ($type eq 'int') {
2860 return config_to_int($config{"gitweb.$key"});
2861 }
2862 return $config{"gitweb.$key"};
2863 }
2864
2865 # get hash of given path at given ref
2866 sub git_get_hash_by_path {
2867 my $base = shift;
2868 my $path = shift || return undef;
2869 my $type = shift;
2870
2871 $path =~ s,/+$,,;
2872
2873 open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path
2874 or die_error(500, "Open git-ls-tree failed");
2875 my $line = <$fd>;
2876 close $fd or return undef;
2877
2878 if (!defined $line) {
2879 # there is no tree or hash given by $path at $base
2880 return undef;
2881 }
2882
2883 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
2884 $line =~ m/^([0-9]+) (.+) ($oid_regex)\t/;
2885 if (defined $type && $type ne $2) {
2886 # type doesn't match
2887 return undef;
2888 }
2889 return $3;
2890 }
2891
2892 # get path of entry with given hash at given tree-ish (ref)
2893 # used to get 'from' filename for combined diff (merge commit) for renames
2894 sub git_get_path_by_hash {
2895 my $base = shift || return;
2896 my $hash = shift || return;
2897
2898 local $/ = "\0";
2899
2900 open my $fd, "-|", git_cmd(), "ls-tree", '-r', '-t', '-z', $base
2901 or return undef;
2902 while (my $line = <$fd>) {
2903 chomp $line;
2904
2905 #'040000 tree 595596a6a9117ddba9fe379b6b012b558bac8423 gitweb'
2906 #'100644 blob e02e90f0429be0d2a69b76571101f20b8f75530f gitweb/README'
2907 if ($line =~ m/(?:[0-9]+) (?:.+) $hash\t(.+)$/) {
2908 close $fd;
2909 return $1;
2910 }
2911 }
2912 close $fd;
2913 return undef;
2914 }
2915
2916 ## ......................................................................
2917 ## git utility functions, directly accessing git repository
2918
2919 # get the value of config variable either from file named as the variable
2920 # itself in the repository ($GIT_DIR/$name file), or from gitweb.$name
2921 # configuration variable in the repository config file.
2922 sub git_get_file_or_project_config {
2923 my ($path, $name) = @_;
2924
2925 $git_dir = "$projectroot/$path";
2926 open my $fd, '<', "$git_dir/$name"
2927 or return git_get_project_config($name);
2928 my $conf = <$fd>;
2929 close $fd;
2930 if (defined $conf) {
2931 chomp $conf;
2932 }
2933 return $conf;
2934 }
2935
2936 sub git_get_project_description {
2937 my $path = shift;
2938 return git_get_file_or_project_config($path, 'description');
2939 }
2940
2941 sub git_get_project_category {
2942 my $path = shift;
2943 return git_get_file_or_project_config($path, 'category');
2944 }
2945
2946
2947 # supported formats:
2948 # * $GIT_DIR/ctags/<tagname> file (in 'ctags' subdirectory)
2949 # - if its contents is a number, use it as tag weight,
2950 # - otherwise add a tag with weight 1
2951 # * $GIT_DIR/ctags file, each line is a tag (with weight 1)
2952 # the same value multiple times increases tag weight
2953 # * `gitweb.ctag' multi-valued repo config variable
2954 sub git_get_project_ctags {
2955 my $project = shift;
2956 my $ctags = {};
2957
2958 $git_dir = "$projectroot/$project";
2959 if (opendir my $dh, "$git_dir/ctags") {
2960 my @files = grep { -f $_ } map { "$git_dir/ctags/$_" } readdir($dh);
2961 foreach my $tagfile (@files) {
2962 open my $ct, '<', $tagfile
2963 or next;
2964 my $val = <$ct>;
2965 chomp $val if $val;
2966 close $ct;
2967
2968 (my $ctag = $tagfile) =~ s#.*/##;
2969 if ($val =~ /^\d+$/) {
2970 $ctags->{$ctag} = $val;
2971 } else {
2972 $ctags->{$ctag} = 1;
2973 }
2974 }
2975 closedir $dh;
2976
2977 } elsif (open my $fh, '<', "$git_dir/ctags") {
2978 while (my $line = <$fh>) {
2979 chomp $line;
2980 $ctags->{$line}++ if $line;
2981 }
2982 close $fh;
2983
2984 } else {
2985 my $taglist = config_to_multi(git_get_project_config('ctag'));
2986 foreach my $tag (@$taglist) {
2987 $ctags->{$tag}++;
2988 }
2989 }
2990
2991 return $ctags;
2992 }
2993
2994 # return hash, where keys are content tags ('ctags'),
2995 # and values are sum of weights of given tag in every project
2996 sub git_gather_all_ctags {
2997 my $projects = shift;
2998 my $ctags = {};
2999
3000 foreach my $p (@$projects) {
3001 foreach my $ct (keys %{$p->{'ctags'}}) {
3002 $ctags->{$ct} += $p->{'ctags'}->{$ct};
3003 }
3004 }
3005
3006 return $ctags;
3007 }
3008
3009 sub git_populate_project_tagcloud {
3010 my $ctags = shift;
3011
3012 # First, merge different-cased tags; tags vote on casing
3013 my %ctags_lc;
3014 foreach (keys %$ctags) {
3015 $ctags_lc{lc $_}->{count} += $ctags->{$_};
3016 if (not $ctags_lc{lc $_}->{topcount}
3017 or $ctags_lc{lc $_}->{topcount} < $ctags->{$_}) {
3018 $ctags_lc{lc $_}->{topcount} = $ctags->{$_};
3019 $ctags_lc{lc $_}->{topname} = $_;
3020 }
3021 }
3022
3023 my $cloud;
3024 my $matched = $input_params{'ctag'};
3025 if (eval { require HTML::TagCloud; 1; }) {
3026 $cloud = HTML::TagCloud->new;
3027 foreach my $ctag (sort keys %ctags_lc) {
3028 # Pad the title with spaces so that the cloud looks
3029 # less crammed.
3030 my $title = esc_html($ctags_lc{$ctag}->{topname});
3031 $title =~ s/ /&nbsp;/g;
3032 $title =~ s/^/&nbsp;/g;
3033 $title =~ s/$/&nbsp;/g;
3034 if (defined $matched && $matched eq $ctag) {
3035 $title = qq(<span class="match">$title</span>);
3036 }
3037 $cloud->add($title, href(project=>undef, ctag=>$ctag),
3038 $ctags_lc{$ctag}->{count});
3039 }
3040 } else {
3041 $cloud = {};
3042 foreach my $ctag (keys %ctags_lc) {
3043 my $title = esc_html($ctags_lc{$ctag}->{topname}, -nbsp=>1);
3044 if (defined $matched && $matched eq $ctag) {
3045 $title = qq(<span class="match">$title</span>);
3046 }
3047 $cloud->{$ctag}{count} = $ctags_lc{$ctag}->{count};
3048 $cloud->{$ctag}{ctag} =
3049 $cgi->a({-href=>href(project=>undef, ctag=>$ctag)}, $title);
3050 }
3051 }
3052 return $cloud;
3053 }
3054
3055 sub git_show_project_tagcloud {
3056 my ($cloud, $count) = @_;
3057 if (ref $cloud eq 'HTML::TagCloud') {
3058 return $cloud->html_and_css($count);
3059 } else {
3060 my @tags = sort { $cloud->{$a}->{'count'} <=> $cloud->{$b}->{'count'} } keys %$cloud;
3061 return
3062 '<div id="htmltagcloud"'.($project ? '' : ' align="center"').'>' .
3063 join (', ', map {
3064 $cloud->{$_}->{'ctag'}
3065 } splice(@tags, 0, $count)) .
3066 '</div>';
3067 }
3068 }
3069
3070 sub git_get_project_url_list {
3071 my $path = shift;
3072
3073 $git_dir = "$projectroot/$path";
3074 open my $fd, '<', "$git_dir/cloneurl"
3075 or return wantarray ?
3076 @{ config_to_multi(git_get_project_config('url')) } :
3077 config_to_multi(git_get_project_config('url'));
3078 my @git_project_url_list = map { chomp; $_ } <$fd>;
3079 close $fd;
3080
3081 return wantarray ? @git_project_url_list : \@git_project_url_list;
3082 }
3083
3084 sub git_get_projects_list {
3085 my $filter = shift || '';
3086 my $paranoid = shift;
3087 my @list;
3088
3089 if (-d $projects_list) {
3090 # search in directory
3091 my $dir = $projects_list;
3092 # remove the trailing "/"
3093 $dir =~ s!/+$!!;
3094 my $pfxlen = length("$dir");
3095 my $pfxdepth = ($dir =~ tr!/!!);
3096 # when filtering, search only given subdirectory
3097 if ($filter && !$paranoid) {
3098 $dir .= "/$filter";
3099 $dir =~ s!/+$!!;
3100 }
3101
3102 File::Find::find({
3103 follow_fast => 1, # follow symbolic links
3104 follow_skip => 2, # ignore duplicates
3105 dangling_symlinks => 0, # ignore dangling symlinks, silently
3106 wanted => sub {
3107 # global variables
3108 our $project_maxdepth;
3109 our $projectroot;
3110 # skip project-list toplevel, if we get it.
3111 return if (m!^[/.]$!);
3112 # only directories can be git repositories
3113 return unless (-d $_);
3114 # need search permission
3115 return unless (-x $_);
3116 # don't traverse too deep (Find is super slow on os x)
3117 # $project_maxdepth excludes depth of $projectroot
3118 if (($File::Find::name =~ tr!/!!) - $pfxdepth > $project_maxdepth) {
3119 $File::Find::prune = 1;
3120 return;
3121 }
3122
3123 my $path = substr($File::Find::name, $pfxlen + 1);
3124 # paranoidly only filter here
3125 if ($paranoid && $filter && $path !~ m!^\Q$filter\E/!) {
3126 next;
3127 }
3128 # we check related file in $projectroot
3129 if (check_export_ok("$projectroot/$path")) {
3130 push @list, { path => $path };
3131 $File::Find::prune = 1;
3132 }
3133 },
3134 }, "$dir");
3135
3136 } elsif (-f $projects_list) {
3137 # read from file(url-encoded):
3138 # 'git%2Fgit.git Linus+Torvalds'
3139 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
3140 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
3141 open my $fd, '<', $projects_list or return;
3142 PROJECT:
3143 while (my $line = <$fd>) {
3144 chomp $line;
3145 my ($path, $owner) = split ' ', $line;
3146 $path = unescape($path);
3147 $owner = unescape($owner);
3148 if (!defined $path) {
3149 next;
3150 }
3151 # if $filter is rpovided, check if $path begins with $filter
3152 if ($filter && $path !~ m!^\Q$filter\E/!) {
3153 next;
3154 }
3155 if (check_export_ok("$projectroot/$path")) {
3156 my $pr = {
3157 path => $path
3158 };
3159 if ($owner) {
3160 $pr->{'owner'} = to_utf8($owner);
3161 }
3162 push @list, $pr;
3163 }
3164 }
3165 close $fd;
3166 }
3167 return @list;
3168 }
3169
3170 # written with help of Tree::Trie module (Perl Artistic License, GPL compatible)
3171 # as side effects it sets 'forks' field to list of forks for forked projects
3172 sub filter_forks_from_projects_list {
3173 my $projects = shift;
3174
3175 my %trie; # prefix tree of directories (path components)
3176 # generate trie out of those directories that might contain forks
3177 foreach my $pr (@$projects) {
3178 my $path = $pr->{'path'};
3179 $path =~ s/\.git$//; # forks of 'repo.git' are in 'repo/' directory
3180 next if ($path =~ m!/$!); # skip non-bare repositories, e.g. 'repo/.git'
3181 next unless ($path); # skip '.git' repository: tests, git-instaweb
3182 next unless (-d "$projectroot/$path"); # containing directory exists
3183 $pr->{'forks'} = []; # there can be 0 or more forks of project
3184
3185 # add to trie
3186 my @dirs = split('/', $path);
3187 # walk the trie, until either runs out of components or out of trie
3188 my $ref = \%trie;
3189 while (scalar @dirs &&
3190 exists($ref->{$dirs[0]})) {
3191 $ref = $ref->{shift @dirs};
3192 }
3193 # create rest of trie structure from rest of components
3194 foreach my $dir (@dirs) {
3195 $ref = $ref->{$dir} = {};
3196 }
3197 # create end marker, store $pr as a data
3198 $ref->{''} = $pr if (!exists $ref->{''});
3199 }
3200
3201 # filter out forks, by finding shortest prefix match for paths
3202 my @filtered;
3203 PROJECT:
3204 foreach my $pr (@$projects) {
3205 # trie lookup
3206 my $ref = \%trie;
3207 DIR:
3208 foreach my $dir (split('/', $pr->{'path'})) {
3209 if (exists $ref->{''}) {
3210 # found [shortest] prefix, is a fork - skip it
3211 push @{$ref->{''}{'forks'}}, $pr;
3212 next PROJECT;
3213 }
3214 if (!exists $ref->{$dir}) {
3215 # not in trie, cannot have prefix, not a fork
3216 push @filtered, $pr;
3217 next PROJECT;
3218 }
3219 # If the dir is there, we just walk one step down the trie.
3220 $ref = $ref->{$dir};
3221 }
3222 # we ran out of trie
3223 # (shouldn't happen: it's either no match, or end marker)
3224 push @filtered, $pr;
3225 }
3226
3227 return @filtered;
3228 }
3229
3230 # note: fill_project_list_info must be run first,
3231 # for 'descr_long' and 'ctags' to be filled
3232 sub search_projects_list {
3233 my ($projlist, %opts) = @_;
3234 my $tagfilter = $opts{'tagfilter'};
3235 my $search_re = $opts{'search_regexp'};
3236
3237 return @$projlist
3238 unless ($tagfilter || $search_re);
3239
3240 # searching projects require filling to be run before it;
3241 fill_project_list_info($projlist,
3242 $tagfilter ? 'ctags' : (),
3243 $search_re ? ('path', 'descr') : ());
3244 my @projects;
3245 PROJECT:
3246 foreach my $pr (@$projlist) {
3247
3248 if ($tagfilter) {
3249 next unless ref($pr->{'ctags'}) eq 'HASH';
3250 next unless
3251 grep { lc($_) eq lc($tagfilter) } keys %{$pr->{'ctags'}};
3252 }
3253
3254 if ($search_re) {
3255 next unless
3256 $pr->{'path'} =~ /$search_re/ ||
3257 $pr->{'descr_long'} =~ /$search_re/;
3258 }
3259
3260 push @projects, $pr;
3261 }
3262
3263 return @projects;
3264 }
3265
3266 our $gitweb_project_owner = undef;
3267 sub git_get_project_list_from_file {
3268
3269 return if (defined $gitweb_project_owner);
3270
3271 $gitweb_project_owner = {};
3272 # read from file (url-encoded):
3273 # 'git%2Fgit.git Linus+Torvalds'
3274 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
3275 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
3276 if (-f $projects_list) {
3277 open(my $fd, '<', $projects_list);
3278 while (my $line = <$fd>) {
3279 chomp $line;
3280 my ($pr, $ow) = split ' ', $line;
3281 $pr = unescape($pr);
3282 $ow = unescape($ow);
3283 $gitweb_project_owner->{$pr} = to_utf8($ow);
3284 }
3285 close $fd;
3286 }
3287 }
3288
3289 sub git_get_project_owner {
3290 my $project = shift;
3291 my $owner;
3292
3293 return undef unless $project;
3294 $git_dir = "$projectroot/$project";
3295
3296 if (!defined $gitweb_project_owner) {
3297 git_get_project_list_from_file();
3298 }
3299
3300 if (exists $gitweb_project_owner->{$project}) {
3301 $owner = $gitweb_project_owner->{$project};
3302 }
3303 if (!defined $owner){
3304 $owner = git_get_project_config('owner');
3305 }
3306 if (!defined $owner) {
3307 $owner = get_file_owner("$git_dir");
3308 }
3309
3310 return $owner;
3311 }
3312
3313 sub git_get_last_activity {
3314 my ($path) = @_;
3315 my $fd;
3316
3317 $git_dir = "$projectroot/$path";
3318 open($fd, "-|", git_cmd(), 'for-each-ref',
3319 '--format=%(committer)',
3320 '--sort=-committerdate',
3321 '--count=1',
3322 map { "refs/$_" } get_branch_refs ()) or return;
3323 my $most_recent = <$fd>;
3324 close $fd or return;
3325 if (defined $most_recent &&
3326 $most_recent =~ / (\d+) [-+][01]\d\d\d$/) {
3327 my $timestamp = $1;
3328 my $age = time - $timestamp;
3329 return ($age, age_string($age));
3330 }
3331 return (undef, undef);
3332 }
3333
3334 # Implementation note: when a single remote is wanted, we cannot use 'git
3335 # remote show -n' because that command always work (assuming it's a remote URL
3336 # if it's not defined), and we cannot use 'git remote show' because that would
3337 # try to make a network roundtrip. So the only way to find if that particular
3338 # remote is defined is to walk the list provided by 'git remote -v' and stop if
3339 # and when we find what we want.
3340 sub git_get_remotes_list {
3341 my $wanted = shift;
3342 my %remotes = ();
3343
3344 open my $fd, '-|' , git_cmd(), 'remote', '-v';
3345 return unless $fd;
3346 while (my $remote = <$fd>) {
3347 chomp $remote;
3348 $remote =~ s!\t(.*?)\s+\((\w+)\)$!!;
3349 next if $wanted and not $remote eq $wanted;
3350 my ($url, $key) = ($1, $2);
3351
3352 $remotes{$remote} ||= { 'heads' => () };
3353 $remotes{$remote}{$key} = $url;
3354 }
3355 close $fd or return;
3356 return wantarray ? %remotes : \%remotes;
3357 }
3358
3359 # Takes a hash of remotes as first parameter and fills it by adding the
3360 # available remote heads for each of the indicated remotes.
3361 sub fill_remote_heads {
3362 my $remotes = shift;
3363 my @heads = map { "remotes/$_" } keys %$remotes;
3364 my @remoteheads = git_get_heads_list(undef, @heads);
3365 foreach my $remote (keys %$remotes) {
3366 $remotes->{$remote}{'heads'} = [ grep {
3367 $_->{'name'} =~ s!^$remote/!!
3368 } @remoteheads ];
3369 }
3370 }
3371
3372 sub git_get_references {
3373 my $type = shift || "";
3374 my %refs;
3375 # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c refs/tags/v2.6.11
3376 # c39ae07f393806ccf406ef966e9a15afc43cc36a refs/tags/v2.6.11^{}
3377 open my $fd, "-|", git_cmd(), "show-ref", "--dereference",
3378 ($type ? ("--", "refs/$type") : ()) # use -- <pattern> if $type
3379 or return;
3380
3381 while (my $line = <$fd>) {
3382 chomp $line;
3383 if ($line =~ m!^($oid_regex)\srefs/($type.*)$!) {
3384 if (defined $refs{$1}) {
3385 push @{$refs{$1}}, $2;
3386 } else {
3387 $refs{$1} = [ $2 ];
3388 }
3389 }
3390 }
3391 close $fd or return;
3392 return \%refs;
3393 }
3394
3395 sub git_get_rev_name_tags {
3396 my $hash = shift || return undef;
3397
3398 open my $fd, "-|", git_cmd(), "name-rev", "--tags", $hash
3399 or return;
3400 my $name_rev = <$fd>;
3401 close $fd;
3402
3403 if ($name_rev =~ m|^$hash tags/(.*)$|) {
3404 return $1;
3405 } else {
3406 # catches also '$hash undefined' output
3407 return undef;
3408 }
3409 }
3410
3411 ## ----------------------------------------------------------------------
3412 ## parse to hash functions
3413
3414 sub parse_date {
3415 my $epoch = shift;
3416 my $tz = shift || "-0000";
3417
3418 my %date;
3419 my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
3420 my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
3421 my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
3422 $date{'hour'} = $hour;
3423 $date{'minute'} = $min;
3424 $date{'mday'} = $mday;
3425 $date{'day'} = $days[$wday];
3426 $date{'month'} = $months[$mon];
3427 $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
3428 $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
3429 $date{'mday-time'} = sprintf "%d %s %02d:%02d",
3430 $mday, $months[$mon], $hour ,$min;
3431 $date{'iso-8601'} = sprintf "%04d-%02d-%02dT%02d:%02d:%02dZ",
3432 1900+$year, 1+$mon, $mday, $hour ,$min, $sec;
3433
3434 my ($tz_sign, $tz_hour, $tz_min) =
3435 ($tz =~ m/^([-+])(\d\d)(\d\d)$/);
3436 $tz_sign = ($tz_sign eq '-' ? -1 : +1);
3437 my $local = $epoch + $tz_sign*((($tz_hour*60) + $tz_min)*60);
3438 ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
3439 $date{'hour_local'} = $hour;
3440 $date{'minute_local'} = $min;
3441 $date{'tz_local'} = $tz;
3442 $date{'iso-tz'} = sprintf("%04d-%02d-%02d %02d:%02d:%02d %s",
3443 1900+$year, $mon+1, $mday,
3444 $hour, $min, $sec, $tz);
3445 return %date;
3446 }
3447
3448 sub hide_mailaddrs_if_private {
3449 my $line = shift;
3450 return $line unless gitweb_check_feature('email-privacy');
3451 $line =~ s/<[^@>]+@[^>]+>/<redacted>/g;
3452 return $line;
3453 }
3454
3455 sub parse_tag {
3456 my $tag_id = shift;
3457 my %tag;
3458 my @comment;
3459
3460 open my $fd, "-|", git_cmd(), "cat-file", "tag", $tag_id or return;
3461 $tag{'id'} = $tag_id;
3462 while (my $line = <$fd>) {
3463 chomp $line;
3464 if ($line =~ m/^object ($oid_regex)$/) {
3465 $tag{'object'} = $1;
3466 } elsif ($line =~ m/^type (.+)$/) {
3467 $tag{'type'} = $1;
3468 } elsif ($line =~ m/^tag (.+)$/) {
3469 $tag{'name'} = $1;
3470 } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
3471 $tag{'author'} = hide_mailaddrs_if_private($1);
3472 $tag{'author_epoch'} = $2;
3473 $tag{'author_tz'} = $3;
3474 if ($tag{'author'} =~ m/^([^<]+) <([^>]*)>/) {
3475 $tag{'author_name'} = $1;
3476 $tag{'author_email'} = $2;
3477 } else {
3478 $tag{'author_name'} = $tag{'author'};
3479 }
3480 } elsif ($line =~ m/--BEGIN/) {
3481 push @comment, $line;
3482 last;
3483 } elsif ($line eq "") {
3484 last;
3485 }
3486 }
3487 push @comment, <$fd>;
3488 $tag{'comment'} = \@comment;
3489 close $fd or return;
3490 if (!defined $tag{'name'}) {
3491 return
3492 };
3493 return %tag
3494 }
3495
3496 sub parse_commit_text {
3497 my ($commit_text, $withparents) = @_;
3498 my @commit_lines = split '\n', $commit_text;
3499 my %co;
3500
3501 pop @commit_lines; # Remove '\0'
3502
3503 if (! @commit_lines) {
3504 return;
3505 }
3506
3507 my $header = shift @commit_lines;
3508 if ($header !~ m/^$oid_regex/) {
3509 return;
3510 }
3511 ($co{'id'}, my @parents) = split ' ', $header;
3512 while (my $line = shift @commit_lines) {
3513 last if $line eq "\n";
3514 if ($line =~ m/^tree ($oid_regex)$/) {
3515 $co{'tree'} = $1;
3516 } elsif ((!defined $withparents) && ($line =~ m/^parent ($oid_regex)$/)) {
3517 push @parents, $1;
3518 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
3519 $co{'author'} = hide_mailaddrs_if_private(to_utf8($1));
3520 $co{'author_epoch'} = $2;
3521 $co{'author_tz'} = $3;
3522 if ($co{'author'} =~ m/^([^<]+) <([^>]*)>/) {
3523 $co{'author_name'} = $1;
3524 $co{'author_email'} = $2;
3525 } else {
3526 $co{'author_name'} = $co{'author'};
3527 }
3528 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
3529 $co{'committer'} = hide_mailaddrs_if_private(to_utf8($1));
3530 $co{'committer_epoch'} = $2;
3531 $co{'committer_tz'} = $3;
3532 if ($co{'committer'} =~ m/^([^<]+) <([^>]*)>/) {
3533 $co{'committer_name'} = $1;
3534 $co{'committer_email'} = $2;
3535 } else {
3536 $co{'committer_name'} = $co{'committer'};
3537 }
3538 }
3539 }
3540 if (!defined $co{'tree'}) {
3541 return;
3542 };
3543 $co{'parents'} = \@parents;
3544 $co{'parent'} = $parents[0];
3545
3546 foreach my $title (@commit_lines) {
3547 $title =~ s/^ //;
3548 if ($title ne "") {
3549 $co{'title'} = chop_str($title, 80, 5);
3550 # remove leading stuff of merges to make the interesting part visible
3551 if (length($title) > 50) {
3552 $title =~ s/^Automatic //;
3553 $title =~ s/^merge (of|with) /Merge ... /i;
3554 if (length($title) > 50) {
3555 $title =~ s/(http|rsync):\/\///;
3556 }
3557 if (length($title) > 50) {
3558 $title =~ s/(master|www|rsync)\.//;
3559 }
3560 if (length($title) > 50) {
3561 $title =~ s/kernel.org:?//;
3562 }
3563 if (length($title) > 50) {
3564 $title =~ s/\/pub\/scm//;
3565 }
3566 }
3567 $co{'title_short'} = chop_str($title, 50, 5);
3568 last;
3569 }
3570 }
3571 if (! defined $co{'title'} || $co{'title'} eq "") {
3572 $co{'title'} = $co{'title_short'} = '(no commit message)';
3573 }
3574 # remove added spaces, redact e-mail addresses if applicable.
3575 foreach my $line (@commit_lines) {
3576 $line =~ s/^ //;
3577 $line = hide_mailaddrs_if_private($line);
3578 }
3579 $co{'comment'} = \@commit_lines;
3580
3581 my $age = time - $co{'committer_epoch'};
3582 $co{'age'} = $age;
3583 $co{'age_string'} = age_string($age);
3584 my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
3585 $co{'age_string_iso8601'} = sprintf "%4i-%02u-%02i %02u:%02u:%02uZ", 1900 + $year, $mon+1, $mday, $hour, $min, $sec;
3586 if ($age > 60*60*24*7*2) {
3587 $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
3588 $co{'age_string_age'} = "$co{'age_string_iso8601'} ($co{'age_string'})";
3589 } else {
3590 $co{'age_string_date'} = $co{'age_string'};
3591 $co{'age_string_age'} = $co{'age_string_iso8601'};
3592 }
3593 return %co;
3594 }
3595
3596 sub parse_commit {
3597 my ($commit_id) = @_;
3598 my %co;
3599
3600 local $/ = "\0";
3601
3602 open my $fd, "-|", git_cmd(), "rev-list",
3603 "--parents",
3604 "--header",
3605 "--max-count=1",
3606 $commit_id,
3607 "--",
3608 or die_error(500, "Open git-rev-list failed");
3609 %co = parse_commit_text(<$fd>, 1);
3610 close $fd;
3611
3612 return %co;
3613 }
3614
3615 sub parse_commits {
3616 my ($commit_id, $maxcount, $skip, $filename, @args) = @_;
3617 my @cos;
3618
3619 $maxcount ||= 1;
3620 $skip ||= 0;
3621
3622 local $/ = "\0";
3623
3624 open my $fd, "-|", git_cmd(), "rev-list",
3625 "--header",
3626 @args,
3627 ("--max-count=" . $maxcount),
3628 ("--skip=" . $skip),
3629 @extra_options,
3630 $commit_id,
3631 "--",
3632 ($filename ? ($filename) : ())
3633 or die_error(500, "Open git-rev-list failed");
3634 while (my $line = <$fd>) {
3635 my %co = parse_commit_text($line);
3636 push @cos, \%co;
3637 }
3638 close $fd;
3639
3640 return wantarray ? @cos : \@cos;
3641 }
3642
3643 # parse line of git-diff-tree "raw" output
3644 sub parse_difftree_raw_line {
3645 my $line = shift;
3646 my %res;
3647
3648 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M ls-files.c'
3649 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M rev-tree.c'
3650 if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ($oid_regex) ($oid_regex) (.)([0-9]{0,3})\t(.*)$/) {
3651 $res{'from_mode'} = $1;
3652 $res{'to_mode'} = $2;
3653 $res{'from_id'} = $3;
3654 $res{'to_id'} = $4;
3655 $res{'status'} = $5;
3656 $res{'similarity'} = $6;
3657 if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
3658 ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
3659 } else {
3660 $res{'from_file'} = $res{'to_file'} = $res{'file'} = unquote($7);
3661 }
3662 }
3663 # '::100755 100755 100755 60e79ca1b01bc8b057abe17ddab484699a7f5fdb 94067cc5f73388f33722d52ae02f44692bc07490 94067cc5f73388f33722d52ae02f44692bc07490 MR git-gui/git-gui.sh'
3664 # combined diff (for merge commit)
3665 elsif ($line =~ s/^(::+)((?:[0-7]{6} )+)((?:$oid_regex )+)([a-zA-Z]+)\t(.*)$//) {
3666 $res{'nparents'} = length($1);
3667 $res{'from_mode'} = [ split(' ', $2) ];
3668 $res{'to_mode'} = pop @{$res{'from_mode'}};
3669 $res{'from_id'} = [ split(' ', $3) ];
3670 $res{'to_id'} = pop @{$res{'from_id'}};
3671 $res{'status'} = [ split('', $4) ];
3672 $res{'to_file'} = unquote($5);
3673 }
3674 # 'c512b523472485aef4fff9e57b229d9d243c967f'
3675 elsif ($line =~ m/^($oid_regex)$/) {
3676 $res{'commit'} = $1;
3677 }
3678
3679 return wantarray ? %res : \%res;
3680 }
3681
3682 # wrapper: return parsed line of git-diff-tree "raw" output
3683 # (the argument might be raw line, or parsed info)
3684 sub parsed_difftree_line {
3685 my $line_or_ref = shift;
3686
3687 if (ref($line_or_ref) eq "HASH") {
3688 # pre-parsed (or generated by hand)
3689 return $line_or_ref;
3690 } else {
3691 return parse_difftree_raw_line($line_or_ref);
3692 }
3693 }
3694
3695 # parse line of git-ls-tree output
3696 sub parse_ls_tree_line {
3697 my $line = shift;
3698 my %opts = @_;
3699 my %res;
3700
3701 if ($opts{'-l'}) {
3702 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa 16717 panic.c'
3703 $line =~ m/^([0-9]+) (.+) ($oid_regex) +(-|[0-9]+)\t(.+)$/s;
3704
3705 $res{'mode'} = $1;
3706 $res{'type'} = $2;
3707 $res{'hash'} = $3;
3708 $res{'size'} = $4;
3709 if ($opts{'-z'}) {
3710 $res{'name'} = $5;
3711 } else {
3712 $res{'name'} = unquote($5);
3713 }
3714 } else {
3715 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
3716 $line =~ m/^([0-9]+) (.+) ($oid_regex)\t(.+)$/s;
3717
3718 $res{'mode'} = $1;
3719 $res{'type'} = $2;
3720 $res{'hash'} = $3;
3721 if ($opts{'-z'}) {
3722 $res{'name'} = $4;
3723 } else {
3724 $res{'name'} = unquote($4);
3725 }
3726 }
3727
3728 return wantarray ? %res : \%res;
3729 }
3730
3731 # generates _two_ hashes, references to which are passed as 2 and 3 argument
3732 sub parse_from_to_diffinfo {
3733 my ($diffinfo, $from, $to, @parents) = @_;
3734
3735 if ($diffinfo->{'nparents'}) {
3736 # combined diff
3737 $from->{'file'} = [];
3738 $from->{'href'} = [];
3739 fill_from_file_info($diffinfo, @parents)
3740 unless exists $diffinfo->{'from_file'};
3741 for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
3742 $from->{'file'}[$i] =
3743 defined $diffinfo->{'from_file'}[$i] ?
3744 $diffinfo->{'from_file'}[$i] :
3745 $diffinfo->{'to_file'};
3746 if ($diffinfo->{'status'}[$i] ne "A") { # not new (added) file
3747 $from->{'href'}[$i] = href(action=>"blob",
3748 hash_base=>$parents[$i],
3749 hash=>$diffinfo->{'from_id'}[$i],
3750 file_name=>$from->{'file'}[$i]);
3751 } else {
3752 $from->{'href'}[$i] = undef;
3753 }
3754 }
3755 } else {
3756 # ordinary (not combined) diff
3757 $from->{'file'} = $diffinfo->{'from_file'};
3758 if ($diffinfo->{'status'} ne "A") { # not new (added) file
3759 $from->{'href'} = href(action=>"blob", hash_base=>$hash_parent,
3760 hash=>$diffinfo->{'from_id'},
3761 file_name=>$from->{'file'});
3762 } else {
3763 delete $from->{'href'};
3764 }
3765 }
3766
3767 $to->{'file'} = $diffinfo->{'to_file'};
3768 if (!is_deleted($diffinfo)) { # file exists in result
3769 $to->{'href'} = href(action=>"blob", hash_base=>$hash,
3770 hash=>$diffinfo->{'to_id'},
3771 file_name=>$to->{'file'});
3772 } else {
3773 delete $to->{'href'};
3774 }
3775 }
3776
3777 ## ......................................................................
3778 ## parse to array of hashes functions
3779
3780 sub git_get_heads_list {
3781 my ($limit, @classes) = @_;
3782 @classes = get_branch_refs() unless @classes;
3783 my @patterns = map { "refs/$_" } @classes;
3784 my @headslist;
3785
3786 open my $fd, '-|', git_cmd(), 'for-each-ref',
3787 ($limit ? '--count='.($limit+1) : ()),
3788 '--sort=-HEAD', '--sort=-committerdate',
3789 '--format=%(objectname) %(refname) %(subject)%00%(committer)',
3790 @patterns
3791 or return;
3792 while (my $line = <$fd>) {
3793 my %ref_item;
3794
3795 chomp $line;
3796 my ($refinfo, $committerinfo) = split(/\0/, $line);
3797 my ($hash, $name, $title) = split(' ', $refinfo, 3);
3798 my ($committer, $epoch, $tz) =
3799 ($committerinfo =~ /^(.*) ([0-9]+) (.*)$/);
3800 $ref_item{'fullname'} = $name;
3801 my $strip_refs = join '|', map { quotemeta } get_branch_refs();
3802 $name =~ s!^refs/($strip_refs|remotes)/!!;
3803 $ref_item{'name'} = $name;
3804 # for refs neither in 'heads' nor 'remotes' we want to
3805 # show their ref dir
3806 my $ref_dir = (defined $1) ? $1 : '';
3807 if ($ref_dir ne '' and $ref_dir ne 'heads' and $ref_dir ne 'remotes') {
3808 $ref_item{'name'} .= ' (' . $ref_dir . ')';
3809 }
3810
3811 $ref_item{'id'} = $hash;
3812 $ref_item{'title'} = $title || '(no commit message)';
3813 $ref_item{'epoch'} = $epoch;
3814 if ($epoch) {
3815 $ref_item{'age'} = age_string(time - $ref_item{'epoch'});
3816 } else {
3817 $ref_item{'age'} = "unknown";
3818 }
3819
3820 push @headslist, \%ref_item;
3821 }
3822 close $fd;
3823
3824 return wantarray ? @headslist : \@headslist;
3825 }
3826
3827 sub git_get_tags_list {
3828 my $limit = shift;
3829 my @tagslist;
3830
3831 open my $fd, '-|', git_cmd(), 'for-each-ref',
3832 ($limit ? '--count='.($limit+1) : ()), '--sort=-creatordate',
3833 '--format=%(objectname) %(objecttype) %(refname) '.
3834 '%(*objectname) %(*objecttype) %(subject)%00%(creator)',
3835 'refs/tags'
3836 or return;
3837 while (my $line = <$fd>) {
3838 my %ref_item;
3839
3840 chomp $line;
3841 my ($refinfo, $creatorinfo) = split(/\0/, $line);
3842 my ($id, $type, $name, $refid, $reftype, $title) = split(' ', $refinfo, 6);
3843 my ($creator, $epoch, $tz) =
3844 ($creatorinfo =~ /^(.*) ([0-9]+) (.*)$/);
3845 $ref_item{'fullname'} = $name;
3846 $name =~ s!^refs/tags/!!;
3847
3848 $ref_item{'type'} = $type;
3849 $ref_item{'id'} = $id;
3850 $ref_item{'name'} = $name;
3851 if ($type eq "tag") {
3852 $ref_item{'subject'} = $title;
3853 $ref_item{'reftype'} = $reftype;
3854 $ref_item{'refid'} = $refid;
3855 } else {
3856 $ref_item{'reftype'} = $type;
3857 $ref_item{'refid'} = $id;
3858 }
3859
3860 if ($type eq "tag" || $type eq "commit") {
3861 $ref_item{'epoch'} = $epoch;
3862 if ($epoch) {
3863 $ref_item{'age'} = age_string(time - $ref_item{'epoch'});
3864 } else {
3865 $ref_item{'age'} = "unknown";
3866 }
3867 }
3868
3869 push @tagslist, \%ref_item;
3870 }
3871 close $fd;
3872
3873 return wantarray ? @tagslist : \@tagslist;
3874 }
3875
3876 ## ----------------------------------------------------------------------
3877 ## filesystem-related functions
3878
3879 sub get_file_owner {
3880 my $path = shift;
3881
3882 my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
3883 my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
3884 if (!defined $gcos) {
3885 return undef;
3886 }
3887 my $owner = $gcos;
3888 $owner =~ s/[,;].*$//;
3889 return to_utf8($owner);
3890 }
3891
3892 # assume that file exists
3893 sub insert_file {
3894 my $filename = shift;
3895
3896 open my $fd, '<', $filename;
3897 print map { to_utf8($_) } <$fd>;
3898 close $fd;
3899 }
3900
3901 ## ......................................................................
3902 ## mimetype related functions
3903
3904 sub mimetype_guess_file {
3905 my $filename = shift;
3906 my $mimemap = shift;
3907 -r $mimemap or return undef;
3908
3909 my %mimemap;
3910 open(my $mh, '<', $mimemap) or return undef;
3911 while (<$mh>) {
3912 next if m/^#/; # skip comments
3913 my ($mimetype, @exts) = split(/\s+/);
3914 foreach my $ext (@exts) {
3915 $mimemap{$ext} = $mimetype;
3916 }
3917 }
3918 close($mh);
3919
3920 $filename =~ /\.([^.]*)$/;
3921 return $mimemap{$1};
3922 }
3923
3924 sub mimetype_guess {
3925 my $filename = shift;
3926 my $mime;
3927 $filename =~ /\./ or return undef;
3928
3929 if ($mimetypes_file) {
3930 my $file = $mimetypes_file;
3931 if ($file !~ m!^/!) { # if it is relative path
3932 # it is relative to project
3933 $file = "$projectroot/$project/$file";
3934 }
3935 $mime = mimetype_guess_file($filename, $file);
3936 }
3937 $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
3938 return $mime;
3939 }
3940
3941 sub blob_mimetype {
3942 my $fd = shift;
3943 my $filename = shift;
3944
3945 if ($filename) {
3946 my $mime = mimetype_guess($filename);
3947 $mime and return $mime;
3948 }
3949
3950 # just in case
3951 return $default_blob_plain_mimetype unless $fd;
3952
3953 if (-T $fd) {
3954 return 'text/plain';
3955 } elsif (! $filename) {
3956 return 'application/octet-stream';
3957 } elsif ($filename =~ m/\.png$/i) {
3958 return 'image/png';
3959 } elsif ($filename =~ m/\.gif$/i) {
3960 return 'image/gif';
3961 } elsif ($filename =~ m/\.jpe?g$/i) {
3962 return 'image/jpeg';
3963 } else {
3964 return 'application/octet-stream';
3965 }
3966 }
3967
3968 sub blob_contenttype {
3969 my ($fd, $file_name, $type) = @_;
3970
3971 $type ||= blob_mimetype($fd, $file_name);
3972 if ($type eq 'text/plain' && defined $default_text_plain_charset) {
3973 $type .= "; charset=$default_text_plain_charset";
3974 }
3975
3976 return $type;
3977 }
3978
3979 # guess file syntax for syntax highlighting; return undef if no highlighting
3980 # the name of syntax can (in the future) depend on syntax highlighter used
3981 sub guess_file_syntax {
3982 my ($highlight, $file_name) = @_;
3983 return undef unless ($highlight && defined $file_name);
3984 my $basename = basename($file_name, '.in');
3985 return $highlight_basename{$basename}
3986 if exists $highlight_basename{$basename};
3987
3988 $basename =~ /\.([^.]*)$/;
3989 my $ext = $1 or return undef;
3990 return $highlight_ext{$ext}
3991 if exists $highlight_ext{$ext};
3992
3993 return undef;
3994 }
3995
3996 # run highlighter and return FD of its output,
3997 # or return original FD if no highlighting
3998 sub run_highlighter {
3999 my ($fd, $highlight, $syntax) = @_;
4000 return $fd unless ($highlight);
4001
4002 close $fd;
4003 my $syntax_arg = (defined $syntax) ? "--syntax $syntax" : "--force";
4004 open $fd, quote_command(git_cmd(), "cat-file", "blob", $hash)." | ".
4005 quote_command($^X, '-CO', '-MEncode=decode,FB_DEFAULT', '-pse',
4006 '$_ = decode($fe, $_, FB_DEFAULT) if !utf8::decode($_);',
4007 '--', "-fe=$fallback_encoding")." | ".
4008 quote_command($highlight_bin).
4009 " --replace-tabs=8 --fragment $syntax_arg |"
4010 or die_error(500, "Couldn't open file or run syntax highlighter");
4011 return $fd;
4012 }
4013
4014 ## ======================================================================
4015 ## functions printing HTML: header, footer, error page
4016
4017 sub get_page_title {
4018 # Formats:
4019 # SITE_NAME
4020 # SITE_NAME - projects in FILTER
4021 # PROJECT - SITE_NAME
4022 # PROJECT ACTION - SITE_NAME
4023 # FILENAME - PROJECT ACTION - SITE_NAME
4024 my $title;
4025 unless (defined $project) {
4026 $title = to_utf8($site_name);
4027 if (defined $project_filter) {
4028 $title .= " - projects in '" . esc_path($project_filter) . "'";
4029 }
4030 return $title;
4031 }
4032 $title = to_utf8($project);
4033
4034 if (defined $action) {
4035 $title .= " $action"; # $action is US-ASCII (7bit ASCII)
4036 if (defined $file_name) {
4037 $title = " - " . $title;
4038 if ($action eq "tree" && $file_name !~ m|/$|) {
4039 $title = "/" . $title;
4040 }
4041 $title = esc_path($file_name) . $title;
4042 }
4043 }
4044
4045 $title .= " - " . to_utf8($site_name);
4046
4047 return $title;
4048 }
4049
4050 sub print_feed_meta {
4051 if (defined $project) {
4052 my %href_params = get_feed_info();
4053 if (!exists $href_params{'-title'}) {
4054 $href_params{'-title'} = 'log';
4055 }
4056
4057 foreach my $format (qw(Atom)) {
4058 my $type = lc($format);
4059 my %link_attr = (
4060 '-rel' => 'alternate',
4061 '-title' => esc_attr("$project - $href_params{'-title'} - $format feed"),
4062 '-type' => "application/$type+xml"
4063 );
4064
4065 $href_params{'extra_options'} = undef;
4066 $href_params{'action'} = $type;
4067 $link_attr{'-href'} = esc_attr(href(%href_params));
4068 print "<link ".
4069 "rel=\"$link_attr{'-rel'}\" ".
4070 "title=\"$link_attr{'-title'}\" ".
4071 "href=\"$link_attr{'-href'}\" ".
4072 "type=\"$link_attr{'-type'}\" ".
4073 "/>\n";
4074
4075 $href_params{'extra_options'} = '--no-merges';
4076 $link_attr{'-href'} = esc_attr(href(%href_params));
4077 $link_attr{'-title'} .= ' (no merges)';
4078 print "<link ".
4079 "rel=\"$link_attr{'-rel'}\" ".
4080 "title=\"$link_attr{'-title'}\" ".
4081 "href=\"$link_attr{'-href'}\" ".
4082 "type=\"$link_attr{'-type'}\" ".
4083 "/>\n";
4084 }
4085
4086 } else {
4087 printf('<link rel="alternate" title="%s projects list" '.
4088 'href="%s" type="text/plain; charset=utf-8" />'."\n",
4089 esc_attr($site_name),
4090 esc_attr(href(project=>undef, action=>"project_index")));
4091 printf('<link rel="alternate" title="%s projects feeds" '.
4092 'href="%s" type="text/x-opml" />'."\n",
4093 esc_attr($site_name),
4094 esc_attr(href(project=>undef, action=>"opml")));
4095 }
4096 }
4097
4098 sub print_header_links {
4099 my $status = shift;
4100
4101 # print out each stylesheet that exist, providing backwards capability
4102 # for those people who defined $stylesheet in a config file
4103 if (defined $stylesheet) {
4104 print '<link rel="stylesheet" href="'.esc_url($stylesheet).'"/>'."\n";
4105 } else {
4106 foreach my $stylesheet (@stylesheets) {
4107 next unless $stylesheet;
4108 print '<link rel="stylesheet" href="'.esc_url($stylesheet).'"/>'."\n";
4109 }
4110 }
4111 print_feed_meta()
4112 if ($status eq '200 OK');
4113 if (defined $favicon) {
4114 print qq(<link rel="icon" href=").esc_url($favicon).qq("/>\n);
4115 }
4116 }
4117
4118 sub print_nav_breadcrumbs_path {
4119 my $dirprefix = undef;
4120 while (my $part = shift) {
4121 $dirprefix .= "/" if defined $dirprefix;
4122 $dirprefix .= $part;
4123 print $cgi->a({-href => href(project => undef,
4124 project_filter => $dirprefix,
4125 action => "project_list")},
4126 esc_html($part)) . " / ";
4127 }
4128 }
4129
4130 sub print_nav_breadcrumbs {
4131 my %opts = @_;
4132
4133 for my $crumb (@extra_breadcrumbs, [ $home_link_str => $home_link ]) {
4134 print $cgi->a({-href => esc_url($crumb->[1])}, $crumb->[0]) . " / ";
4135 }
4136 if (defined $project) {
4137 my @dirname = split '/', $project;
4138 my $projectbasename = pop @dirname;
4139 print_nav_breadcrumbs_path(@dirname);
4140 print $cgi->a({-href => href(action=>"summary")}, esc_html($projectbasename));
4141 if (defined $action) {
4142 my $action_print = $action ;
4143 if (defined $opts{-action_extra}) {
4144 $action_print = $cgi->a({-href => href(action=>$action)},
4145 $action);
4146 }
4147 print " / $action_print";
4148 }
4149 if (defined $opts{-action_extra}) {
4150 print " / $opts{-action_extra}";
4151 }
4152 print "\n";
4153 } elsif (defined $project_filter) {
4154 print_nav_breadcrumbs_path(split '/', $project_filter);
4155 }
4156 }
4157
4158 sub print_search_form {
4159 if (!defined $searchtext) {
4160 $searchtext = "";
4161 }
4162 my $search_hash;
4163 if (defined $hash_base) {
4164 $search_hash = $hash_base;
4165 } elsif (defined $hash) {
4166 $search_hash = $hash;
4167 } else {
4168 $search_hash = "HEAD";
4169 }
4170 my $action = $my_uri;
4171 my $use_pathinfo = gitweb_check_feature('pathinfo');
4172 if ($use_pathinfo) {
4173 $action .= "/".esc_url($project);
4174 }
4175 print $cgi->start_form(-method => "get", -action => $action, -role => "search") .
4176 (!$use_pathinfo &&
4177 $cgi->input({-name=>"p", -value=>$project, -type=>"hidden"}) . "\n") .
4178 $cgi->input({-name=>"a", -value=>"search", -type=>"hidden"}) . "\n" .
4179 $cgi->input({-name=>"h", -value=>$search_hash, -type=>"hidden"}) . "\n" .
4180 $cgi->popup_menu(-name => 'st', -default => 'commit',
4181 -values => ['commit', 'grep', 'author', 'committer', 'pickaxe']) .
4182 " " . $cgi->a({-href => href(action=>"search_help"),
4183 -title => "search help" }, "?") . " search:\n",
4184 $cgi->textfield(-name => "s", -value => $searchtext, -override => 1) . "\n" .
4185 "<span title=\"Extended regular expression\">" .
4186 $cgi->checkbox(-name => 'sr', -value => 1, -label => 're',
4187 -checked => $search_use_regexp) .
4188 "</span>" .
4189 $cgi->end_form() . "\n";
4190 }
4191
4192 sub git_header_html {
4193 my $status = shift || "200 OK";
4194 my $expires = shift;
4195 my %opts = @_;
4196
4197 my $title = get_page_title();
4198 # 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.
4199 # (Various other invalid HTML is produced that HTML would have fixed but XHTML allows to be broken, like table > tr, lacking tbody.)
4200 # TODO: reduce the doctype to <!DOCTYPE html>, but that takes replacing entities like &sdot; with ⋅.
4201 print $cgi->header(-type => 'application/xhtml+xml', -charset => 'utf-8',
4202 -status=> $status, -expires => $expires)
4203 unless ($opts{'-no_http_header'});
4204 print <<EOF;
4205 <?xml version="1.0" encoding="utf-8"?>
4206 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
4207 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-AU" lang="en-AU">
4208 <head>
4209 <meta charset="utf-8"/>
4210 <meta name="robots" content="index, nofollow"/>
4211 <title>$title</title>
4212 EOF
4213 # the stylesheet, favicon etc urls won't work correctly with path_info
4214 # unless we set the appropriate base URL
4215 if ($ENV{'PATH_INFO'}) {
4216 print "<base href=\"".esc_url($base_url)."\"/>\n";
4217 }
4218 print_header_links($status);
4219
4220 if (defined $site_html_head_string) {
4221 print to_utf8($site_html_head_string);
4222 }
4223
4224 if (defined $site_header && -f $site_header) {
4225 insert_file($site_header);
4226 }
4227
4228 print "</head>\n<body>\n<header class=\"page_header\">\n";
4229 if (defined $logo) {
4230 print $cgi->a({-href => esc_url($logo_url),
4231 -title => $logo_label},
4232 $cgi->img({-src => esc_url($logo),
4233 -width => 72, -height => 27,
4234 -alt => "git",
4235 -class => "logo"}));
4236 }
4237 print_nav_breadcrumbs(%opts);
4238 print "</header>\n";
4239
4240 print "<nav class=\"page_subhead\">\n";
4241 }
4242
4243 sub git_end_subhead_html {
4244 my $have_search = gitweb_check_feature('search');
4245 if (defined $project && $have_search) {
4246 print_search_form();
4247 }
4248 print "</nav>\n";
4249 }
4250
4251 sub git_footer_html {
4252 my $feed_class = 'rss_logo';
4253
4254 print "<footer class=\"page_footer\">\n";
4255 if (defined $project) {
4256 my $descr = git_get_project_description($project);
4257 if (defined $descr) {
4258 print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
4259 }
4260
4261 my %href_params = get_feed_info();
4262 if (!%href_params) {
4263 $feed_class .= ' generic';
4264 }
4265 $href_params{'-title'} ||= 'log';
4266
4267 foreach my $format (qw(Atom)) {
4268 $href_params{'action'} = lc($format);
4269 print $cgi->a({-href => href(%href_params),
4270 -title => "$href_params{'-title'} $format feed",
4271 -class => $feed_class}, $format)."\n";
4272 }
4273
4274 } else {
4275 print $cgi->a({-href => href(project=>undef, action=>"opml",
4276 project_filter => $project_filter),
4277 -class => $feed_class}, "OPML") . " ";
4278 print $cgi->a({-href => href(project=>undef, action=>"project_index",
4279 project_filter => $project_filter),
4280 -class => $feed_class}, "TXT") . "\n";
4281 }
4282 print "</footer>\n"; # class="page_footer"
4283
4284 if (defined $t0 && gitweb_check_feature('timed')) {
4285 print "<div id=\"generating_info\">\n";
4286 print 'This page took '.
4287 '<span id="generating_time" class="time_span">'.
4288 tv_interval($t0, [ gettimeofday() ]).
4289 ' seconds </span>'.
4290 ' and '.
4291 '<span id="generating_cmd">'.
4292 $number_of_git_cmds.
4293 '</span> git commands '.
4294 " to generate.\n";
4295 print "</div>\n";
4296 }
4297
4298 if (defined $site_footer && -f $site_footer) {
4299 insert_file($site_footer);
4300 }
4301
4302 if (defined $action &&
4303 $action eq 'blame_incremental') {
4304 print qq!<script src="!.esc_url($javascript).qq!"></script>\n!;
4305 print qq!<script>\n!.
4306 qq!startBlame("!. esc_attr(href(action=>"blame_data", -replay=>1)) .qq!",\n!.
4307 qq! "!. esc_attr(href()) .qq!");\n!.
4308 qq!</script>\n!;
4309 } else {
4310 if (gitweb_check_feature('javascript-actions')) {
4311 print qq!<script src="!.esc_url($javascript).qq!"></script>\n!;
4312 print qq!<script>\n!.
4313 qq!window.onload = function () {\n!;
4314 if (gitweb_check_feature('javascript-actions')) {
4315 print qq! fixLinks();\n!;
4316 }
4317 print qq!};\n!.
4318 qq!</script>\n!;
4319 }
4320 }
4321
4322 print "</body>\n" .
4323 "</html>";
4324 }
4325
4326 # die_error(<http_status_code>, <error_message>[, <detailed_html_description>])
4327 # Example: die_error(404, 'Hash not found')
4328 # By convention, use the following status codes (as defined in RFC 2616):
4329 # 400: Invalid or missing CGI parameters, or
4330 # requested object exists but has wrong type.
4331 # 403: Requested feature (like "pickaxe" or "snapshot") not enabled on
4332 # this server or project.
4333 # 404: Requested object/revision/project doesn't exist.
4334 # 500: The server isn't configured properly, or
4335 # an internal error occurred (e.g. failed assertions caused by bugs), or
4336 # an unknown error occurred (e.g. the git binary died unexpectedly).
4337 # 503: The server is currently unavailable (because it is overloaded,
4338 # or down for maintenance). Generally, this is a temporary state.
4339 sub die_error {
4340 my $status = shift || 500;
4341 my $error = esc_html(shift) || "Internal Server Error";
4342 my $extra = shift;
4343 my %opts = @_;
4344
4345 my %http_responses = (
4346 400 => '400 Bad Request',
4347 403 => '403 Forbidden',
4348 404 => '404 Not Found',
4349 500 => '500 Internal Server Error',
4350 503 => '503 Service Unavailable',
4351 );
4352 git_header_html($http_responses{$status}, undef, %opts);
4353 git_end_subhead_html();
4354 print <<EOF;
4355 <div class="page_body">
4356 <br /><br />
4357 $status - $error
4358 <br />
4359 EOF
4360 if (defined $extra) {
4361 print "<hr />\n" .
4362 "$extra\n";
4363 }
4364 print "</div>\n";
4365
4366 git_footer_html();
4367 goto DONE_GITWEB
4368 unless ($opts{'-error_handler'});
4369 }
4370
4371 ## ----------------------------------------------------------------------
4372 ## functions printing or outputting HTML: navigation
4373
4374 sub git_print_page_nav {
4375 my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
4376
4377 my @navs = qw(summary shortlog log commit commitdiff tree);
4378 if ($suppress) {
4379 @navs = grep { $_ ne $suppress } @navs;
4380 }
4381
4382 my %arg = map { $_ => {action=>$_} } @navs;
4383 if (defined $head) {
4384 for (qw(commit commitdiff)) {
4385 $arg{$_}{'hash'} = $head;
4386 }
4387 if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
4388 for (qw(shortlog log)) {
4389 $arg{$_}{'hash'} = $head;
4390 }
4391 }
4392 }
4393
4394 $arg{'tree'}{'hash'} = $treehead if defined $treehead;
4395 $arg{'tree'}{'hash_base'} = $treebase if defined $treebase;
4396
4397 my @actions = gitweb_get_feature('actions');
4398 my %repl = (
4399 '%' => '%',
4400 'n' => $project, # project name
4401 'f' => $git_dir, # project path within filesystem
4402 'h' => $treehead || '', # current hash ('h' parameter)
4403 'b' => $treebase || '', # hash base ('hb' parameter)
4404 );
4405 while (@actions) {
4406 my ($label, $link, $pos) = splice(@actions,0,3);
4407 # insert
4408 @navs = map { $_ eq $pos ? ($_, $label) : $_ } @navs;
4409 # munch munch
4410 $link =~ s/%([%nfhb])/$repl{$1}/g;
4411 $arg{$label}{'_href'} = $link;
4412 }
4413
4414 print "<div class=\"page_nav\">\n" .
4415 (join " | ",
4416 map { $_ eq $current ?
4417 $cgi->span({-class => "current"}, $_) : $cgi->a({-href => ($arg{$_}{_href} ? $arg{$_}{_href} : href(%{$arg{$_}}))}, "$_")
4418 } @navs);
4419 print "<br/>\n$extra" if defined $extra; # pager or formats
4420 print "</div>\n";
4421 git_end_subhead_html();
4422 }
4423
4424 # returns a submenu for the navigation of the refs views (tags, heads,
4425 # remotes) with the current view disabled and the remotes view only
4426 # available if the feature is enabled
4427 sub format_ref_views {
4428 my ($current) = @_;
4429 my @ref_views = qw{tags heads};
4430 push @ref_views, 'remotes' if gitweb_check_feature('remote_heads');
4431 return join " | ", map {
4432 $_ eq $current ? $_ :
4433 $cgi->a({-href => href(action=>$_)}, $_)
4434 } @ref_views
4435 }
4436
4437 sub format_paging_nav {
4438 my ($action, $page, $has_next_link) = @_;
4439 my $paging_nav;
4440
4441
4442 if ($page > 0) {
4443 $paging_nav .=
4444 $cgi->a({-href => href(-replay=>1, page=>undef)}, "first") .
4445 " &sdot; " .
4446 $cgi->a({-href => href(-replay=>1, page=>$page-1),
4447 -accesskey => "p", -title => "Alt-p"}, "prev");
4448 } else {
4449 $paging_nav .= "first &sdot; prev";
4450 }
4451
4452 if ($has_next_link) {
4453 $paging_nav .= " &sdot; " .
4454 $cgi->a({-href => href(-replay=>1, page=>$page+1),
4455 -accesskey => "n", -title => "Alt-n"}, "next");
4456 } else {
4457 $paging_nav .= " &sdot; next";
4458 }
4459
4460 return $paging_nav;
4461 }
4462
4463 ## ......................................................................
4464 ## functions printing or outputting HTML: div
4465
4466 sub git_print_header_div {
4467 my ($action, $title, $hash, $hash_base) = @_;
4468 my %args = ();
4469
4470 $args{'action'} = $action;
4471 $args{'hash'} = $hash if $hash;
4472 $args{'hash_base'} = $hash_base if $hash_base;
4473
4474 print "<div class=\"header\">\n" .
4475 $cgi->a({-href => href(%args), -class => "title"},
4476 $title ? $title : $action) .
4477 "\n</div>\n";
4478 }
4479
4480 sub format_repo_url {
4481 my ($name, $url) = @_;
4482 return "<tr class=\"metadata_url\"><th>$name</th><td>$url</td></tr>\n";
4483 }
4484
4485 # Group output by placing it in a DIV element and adding a header.
4486 # Options for start_div() can be provided by passing a hash reference as the
4487 # first parameter to the function.
4488 # Options to git_print_header_div() can be provided by passing an array
4489 # reference. This must follow the options to start_div if they are present.
4490 # The content can be a scalar, which is output as-is, a scalar reference, which
4491 # is output after html escaping, an IO handle passed either as *handle or
4492 # *handle{IO}, or a function reference. In the latter case all following
4493 # parameters will be taken as argument to the content function call.
4494 sub git_print_section {
4495 my ($div_args, $header_args, $content);
4496 my $arg = shift;
4497 if (ref($arg) eq 'HASH') {
4498 $div_args = $arg;
4499 $arg = shift;
4500 }
4501 if (ref($arg) eq 'ARRAY') {
4502 $header_args = $arg;
4503 $arg = shift;
4504 }
4505 $content = $arg;
4506
4507 print $cgi->start_div($div_args);
4508 git_print_header_div(@$header_args);
4509
4510 if (ref($content) eq 'CODE') {
4511 $content->(@_);
4512 } elsif (ref($content) eq 'SCALAR') {
4513 print esc_html($$content);
4514 } elsif (ref($content) eq 'GLOB' or ref($content) eq 'IO::Handle') {
4515 print <$content>;
4516 } elsif (!ref($content) && defined($content)) {
4517 print $content;
4518 }
4519
4520 print $cgi->end_div;
4521 }
4522
4523 sub format_timestamp_html {
4524 my $date = shift;
4525
4526 return qq!<time datetime="$date->{'iso-8601'}" title="$date->{'iso-tz'}">$date->{'rfc2822'}</time>!;
4527 }
4528
4529 # Outputs the author name and date in long form
4530 sub git_print_authorship {
4531 my $co = shift;
4532 my %opts = @_;
4533 my $tag = $opts{-tag} || 'div';
4534 my $author = $co->{'author_name'};
4535
4536 my %ad = parse_date($co->{'author_epoch'}, $co->{'author_tz'});
4537 print "<$tag class=\"author_date\">" .
4538 format_search_author($author, "author", esc_html($author)) .
4539 " [".format_timestamp_html(\%ad)."]".
4540 git_get_avatar($co->{'author_email'}, -pad_before => 1) .
4541 "</$tag>\n";
4542 }
4543
4544 # Outputs table rows containing the full author or committer information,
4545 # in the format expected for 'commit' view (& similar).
4546 # Parameters are a commit hash reference, followed by the list of people
4547 # to output information for. If the list is empty it defaults to both
4548 # author and committer.
4549 sub git_print_authorship_rows {
4550 my $co = shift;
4551 # too bad we can't use @people = @_ || ('author', 'committer')
4552 my @people = @_;
4553 @people = ('author', 'committer') unless @people;
4554 foreach my $who (@people) {
4555 my %wd = parse_date($co->{"${who}_epoch"}, $co->{"${who}_tz"});
4556 print "<tr><th>$who</th><td>" .
4557 format_search_author($co->{"${who}_name"}, $who,
4558 esc_html($co->{"${who}_name"})) . " " .
4559 format_search_author($co->{"${who}_email"}, $who,
4560 esc_html("<" . $co->{"${who}_email"} . ">")) .
4561 "</td><td rowspan=\"2\">" .
4562 git_get_avatar($co->{"${who}_email"}, -size => 'double') .
4563 "</td></tr>\n" .
4564 "<tr>" .
4565 "<td></td><td>" .
4566 format_timestamp_html(\%wd) .
4567 "</td>" .
4568 "</tr>\n";
4569 }
4570 }
4571
4572 sub git_print_page_path {
4573 my $name = shift;
4574 my $type = shift;
4575 my $hb = shift;
4576
4577
4578 print "<div class=\"page_path\">";
4579 print $cgi->a({-href => href(action=>"tree", hash_base=>$hb),
4580 -title => 'tree root'}, to_utf8("[$project]"));
4581 print " / ";
4582 if (defined $name) {
4583 my @dirname = split '/', $name;
4584 my $basename = pop @dirname;
4585 my $fullname = '';
4586
4587 foreach my $dir (@dirname) {
4588 $fullname .= ($fullname ? '/' : '') . $dir;
4589 print $cgi->a({-href => href(action=>"tree", file_name=>$fullname,
4590 hash_base=>$hb),
4591 -title => $fullname}, esc_path($dir));
4592 print " / ";
4593 }
4594 if (defined $type && $type eq 'blob') {
4595 print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
4596 hash_base=>$hb),
4597 -title => $name}, esc_path($basename));
4598 } elsif (defined $type && $type eq 'tree') {
4599 print $cgi->a({-href => href(action=>"tree", file_name=>$file_name,
4600 hash_base=>$hb),
4601 -title => $name}, esc_path($basename));
4602 print " / ";
4603 } else {
4604 print esc_path($basename);
4605 }
4606 }
4607 print "<br/></div>\n";
4608 }
4609
4610 sub git_print_log {
4611 my $log = shift;
4612 my %opts = @_;
4613
4614 if ($opts{'-remove_title'}) {
4615 # remove title, i.e. first line of log
4616 shift @$log;
4617 }
4618 # remove leading empty lines
4619 while (defined $log->[0] && $log->[0] eq "") {
4620 shift @$log;
4621 }
4622
4623 # print log
4624 my $skip_blank_line = 0;
4625 foreach my $line (@$log) {
4626 if ($line =~ m/^\s*([A-Z][-A-Za-z]*-([Bb]y|[Tt]o)|C[Cc]|(Clos|Fix)es): /) {
4627 if (! $opts{'-remove_signoff'}) {
4628 print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
4629 $skip_blank_line = 1;
4630 }
4631 next;
4632 }
4633
4634 if ($line =~ m,\s*([a-z]*link): (https?://\S+),i) {
4635 if (! $opts{'-remove_signoff'}) {
4636 print "<span class=\"signoff\">" . esc_html($1) . ": " .
4637 "<a href=\"" . esc_html($2) . "\">" . esc_html($2) . "</a>" .
4638 "</span><br/>\n";
4639 $skip_blank_line = 1;
4640 }
4641 next;
4642 }
4643
4644 # print only one empty line
4645 # do not print empty line after signoff
4646 if ($line eq "") {
4647 next if ($skip_blank_line);
4648 $skip_blank_line = 1;
4649 } else {
4650 $skip_blank_line = 0;
4651 }
4652
4653 print format_log_line_html($line) . "<br/>\n";
4654 }
4655 }
4656
4657 # return link target (what link points to)
4658 sub git_get_link_target {
4659 my $hash = shift;
4660 my $link_target;
4661
4662 # read link
4663 open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
4664 or return;
4665 {
4666 local $/ = undef;
4667 $link_target = <$fd>;
4668 }
4669 close $fd
4670 or return;
4671
4672 return $link_target;
4673 }
4674
4675 # given link target, and the directory (basedir) the link is in,
4676 # return target of link relative to top directory (top tree);
4677 # return undef if it is not possible (including absolute links).
4678 sub normalize_link_target {
4679 my ($link_target, $basedir) = @_;
4680
4681 # absolute symlinks (beginning with '/') cannot be normalized
4682 return if (substr($link_target, 0, 1) eq '/');
4683
4684 # normalize link target to path from top (root) tree (dir)
4685 my $path;
4686 if ($basedir) {
4687 $path = $basedir . '/' . $link_target;
4688 } else {
4689 # we are in top (root) tree (dir)
4690 $path = $link_target;
4691 }
4692
4693 # remove //, /./, and /../
4694 my @path_parts;
4695 foreach my $part (split('/', $path)) {
4696 # discard '.' and ''
4697 next if (!$part || $part eq '.');
4698 # handle '..'
4699 if ($part eq '..') {
4700 if (@path_parts) {
4701 pop @path_parts;
4702 } else {
4703 # link leads outside repository (outside top dir)
4704 return;
4705 }
4706 } else {
4707 push @path_parts, $part;
4708 }
4709 }
4710 $path = join('/', @path_parts);
4711
4712 return $path;
4713 }
4714
4715 # print tree entry (row of git_tree), but without encompassing <tr> element
4716 sub git_print_tree_entry {
4717 my ($t, $basedir, $hash_base, $have_blame) = @_;
4718
4719 my %base_key = ();
4720 $base_key{'hash_base'} = $hash_base if defined $hash_base;
4721
4722 # The format of a table row is: mode list link. Where mode is
4723 # the mode of the entry, list is the name of the entry, an href,
4724 # and link is the action links of the entry.
4725
4726 print "<td class=\"mode\">" . mode_str($t->{'mode'}) . "</td>\n";
4727 if (exists $t->{'size'}) {
4728 print "<td class=\"size\">$t->{'size'}</td>\n";
4729 }
4730 if ($t->{'type'} eq "blob") {
4731 print "<td class=\"list\">" .
4732 $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
4733 file_name=>"$basedir$t->{'name'}", %base_key),
4734 -class => "list"}, esc_path($t->{'name'}));
4735 if (S_ISLNK(oct $t->{'mode'})) {
4736 my $link_target = git_get_link_target($t->{'hash'});
4737 if ($link_target) {
4738 my $norm_target = normalize_link_target($link_target, $basedir);
4739 if (defined $norm_target) {
4740 print " -> " .
4741 $cgi->a({-href => href(action=>"object", hash_base=>$hash_base,
4742 file_name=>$norm_target),
4743 -title => $norm_target}, esc_path($link_target));
4744 } else {
4745 print " -> " . esc_path($link_target);
4746 }
4747 }
4748 }
4749 print "</td>\n";
4750 print "<td class=\"link\">";
4751 print $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
4752 file_name=>"$basedir$t->{'name'}", %base_key)},
4753 "blob");
4754 if ($have_blame) {
4755 print " | " .
4756 $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
4757 file_name=>"$basedir$t->{'name'}", %base_key)},
4758 "blame");
4759 }
4760 if (defined $hash_base) {
4761 print " | " .
4762 $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
4763 hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
4764 "history");
4765 }
4766 print " | " .
4767 $cgi->a({-href => href(action=>"blob_plain", hash_base=>$hash_base,
4768 file_name=>"$basedir$t->{'name'}")},
4769 "raw");
4770 print "</td>\n";
4771
4772 } elsif ($t->{'type'} eq "tree") {
4773 print "<td class=\"list\">";
4774 print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
4775 file_name=>"$basedir$t->{'name'}",
4776 %base_key)},
4777 esc_path($t->{'name'}));
4778 print "</td>\n";
4779 print "<td class=\"link\">";
4780 print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
4781 file_name=>"$basedir$t->{'name'}",
4782 %base_key)},
4783 "tree");
4784 if (defined $hash_base) {
4785 print " | " .
4786 $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
4787 file_name=>"$basedir$t->{'name'}")},
4788 "history");
4789 }
4790 print "</td>\n";
4791 } else {
4792 # unknown object: we can only present history for it
4793 # (this includes 'commit' object, i.e. submodule support)
4794 print "<td class=\"list\">" .
4795 esc_path($t->{'name'}) .
4796 "</td>\n";
4797 print "<td class=\"link\">";
4798 if (defined $hash_base) {
4799 print $cgi->a({-href => href(action=>"history",
4800 hash_base=>$hash_base,
4801 file_name=>"$basedir$t->{'name'}")},
4802 "history");
4803 }
4804 print "</td>\n";
4805 }
4806 }
4807
4808 ## ......................................................................
4809 ## functions printing large fragments of HTML
4810
4811 # get pre-image filenames for merge (combined) diff
4812 sub fill_from_file_info {
4813 my ($diff, @parents) = @_;
4814
4815 $diff->{'from_file'} = [ ];
4816 $diff->{'from_file'}[$diff->{'nparents'} - 1] = undef;
4817 for (my $i = 0; $i < $diff->{'nparents'}; $i++) {
4818 if ($diff->{'status'}[$i] eq 'R' ||
4819 $diff->{'status'}[$i] eq 'C') {
4820 $diff->{'from_file'}[$i] =
4821 git_get_path_by_hash($parents[$i], $diff->{'from_id'}[$i]);
4822 }
4823 }
4824
4825 return $diff;
4826 }
4827
4828 # is current raw difftree line of file deletion
4829 sub is_deleted {
4830 my $diffinfo = shift;
4831
4832 return $diffinfo->{'to_id'} eq ('0' x 40) || $diffinfo->{'to_id'} eq ('0' x 64);
4833 }
4834
4835 # does patch correspond to [previous] difftree raw line
4836 # $diffinfo - hashref of parsed raw diff format
4837 # $patchinfo - hashref of parsed patch diff format
4838 # (the same keys as in $diffinfo)
4839 sub is_patch_split {
4840 my ($diffinfo, $patchinfo) = @_;
4841
4842 return defined $diffinfo && defined $patchinfo
4843 && $diffinfo->{'to_file'} eq $patchinfo->{'to_file'};
4844 }
4845
4846
4847 sub git_difftree_body {
4848 my ($difftree, $hash, @parents) = @_;
4849 my ($parent) = $parents[0];
4850 my $have_blame = gitweb_check_feature('blame');
4851 print "<div class=\"list_head\">\n";
4852 if ($#{$difftree} > 10) {
4853 print(($#{$difftree} + 1) . " files changed:\n");
4854 }
4855 print "</div>\n";
4856
4857 print "<table class=\"" .
4858 (@parents > 1 ? "combined " : "") .
4859 "diff_tree\">\n";
4860
4861 # header only for combined diff in 'commitdiff' view
4862 my $has_header = @$difftree && @parents > 1 && $action eq 'commitdiff';
4863 if ($has_header) {
4864 # table header
4865 print "<thead><tr>\n" .
4866 "<th></th><th></th>\n"; # filename, patchN link
4867 for (my $i = 0; $i < @parents; $i++) {
4868 my $par = $parents[$i];
4869 print "<th>" .
4870 $cgi->a({-href => href(action=>"commitdiff",
4871 hash=>$hash, hash_parent=>$par),
4872 -title => 'commitdiff to parent number ' .
4873 ($i+1) . ': ' . substr($par,0,7)},
4874 $i+1) .
4875 "&nbsp;</th>\n";
4876 }
4877 print "</tr></thead>\n<tbody>\n";
4878 }
4879
4880 my $alternate = 1;
4881 my $patchno = 0;
4882 foreach my $line (@{$difftree}) {
4883 my $diff = parsed_difftree_line($line);
4884
4885 if ($alternate) {
4886 print "<tr class=\"dark\">\n";
4887 } else {
4888 print "<tr class=\"light\">\n";
4889 }
4890 $alternate ^= 1;
4891
4892 if (exists $diff->{'nparents'}) { # combined diff
4893
4894 fill_from_file_info($diff, @parents)
4895 unless exists $diff->{'from_file'};
4896
4897 if (!is_deleted($diff)) {
4898 # file exists in the result (child) commit
4899 print "<td>" .
4900 $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
4901 file_name=>$diff->{'to_file'},
4902 hash_base=>$hash),
4903 -class => "list"}, esc_path($diff->{'to_file'})) .
4904 "</td>\n";
4905 } else {
4906 print "<td>" .
4907 esc_path($diff->{'to_file'}) .
4908 "</td>\n";
4909 }
4910
4911 if ($action eq 'commitdiff') {
4912 # link to patch
4913 $patchno++;
4914 print "<td class=\"link\">" .
4915 $cgi->a({-href => href(-anchor=>"patch$patchno")},
4916 "patch") .
4917 " | " .
4918 "</td>\n";
4919 }
4920
4921 my $has_history = 0;
4922 my $not_deleted = 0;
4923 for (my $i = 0; $i < $diff->{'nparents'}; $i++) {
4924 my $hash_parent = $parents[$i];
4925 my $from_hash = $diff->{'from_id'}[$i];
4926 my $from_path = $diff->{'from_file'}[$i];
4927 my $status = $diff->{'status'}[$i];
4928
4929 $has_history ||= ($status ne 'A');
4930 $not_deleted ||= ($status ne 'D');
4931
4932 if ($status eq 'A') {
4933 print "<td class=\"link\" align=\"right\"> | </td>\n";
4934 } elsif ($status eq 'D') {
4935 print "<td class=\"link\">" .
4936 $cgi->a({-href => href(action=>"blob",
4937 hash_base=>$hash,
4938 hash=>$from_hash,
4939 file_name=>$from_path)},
4940 "blob" . ($i+1)) .
4941 " | </td>\n";
4942 } else {
4943 if ($diff->{'to_id'} eq $from_hash) {
4944 print "<td class=\"link nochange\">";
4945 } else {
4946 print "<td class=\"link\">";
4947 }
4948 print $cgi->a({-href => href(action=>"blobdiff",
4949 hash=>$diff->{'to_id'},
4950 hash_parent=>$from_hash,
4951 hash_base=>$hash,
4952 hash_parent_base=>$hash_parent,
4953 file_name=>$diff->{'to_file'},
4954 file_parent=>$from_path)},
4955 "diff" . ($i+1)) .
4956 " | </td>\n";
4957 }
4958 }
4959
4960 print "<td class=\"link\">";
4961 if ($not_deleted) {
4962 print $cgi->a({-href => href(action=>"blob",
4963 hash=>$diff->{'to_id'},
4964 file_name=>$diff->{'to_file'},
4965 hash_base=>$hash)},
4966 "blob");
4967 print " | " if ($has_history);
4968 }
4969 if ($has_history) {
4970 print $cgi->a({-href => href(action=>"history",
4971 file_name=>$diff->{'to_file'},
4972 hash_base=>$hash)},
4973 "history");
4974 }
4975 print "</td>\n";
4976
4977 print "</tr>\n";
4978 next; # instead of 'else' clause, to avoid extra indent
4979 }
4980 # else ordinary diff
4981
4982 my ($to_mode_oct, $to_mode_str, $to_file_type);
4983 my ($from_mode_oct, $from_mode_str, $from_file_type);
4984 if ($diff->{'to_mode'} ne ('0' x 6)) {
4985 $to_mode_oct = oct $diff->{'to_mode'};
4986 if (S_ISREG($to_mode_oct)) { # only for regular file
4987 $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
4988 }
4989 $to_file_type = file_type($diff->{'to_mode'});
4990 }
4991 if ($diff->{'from_mode'} ne ('0' x 6)) {
4992 $from_mode_oct = oct $diff->{'from_mode'};
4993 if (S_ISREG($from_mode_oct)) { # only for regular file
4994 $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
4995 }
4996 $from_file_type = file_type($diff->{'from_mode'});
4997 }
4998
4999 if ($diff->{'status'} eq "A") { # created
5000 my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
5001 $mode_chng .= " with mode: $to_mode_str" if $to_mode_str;
5002 $mode_chng .= "]</span>";
5003 print "<td>";
5004 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5005 hash_base=>$hash, file_name=>$diff->{'file'}),
5006 -class => "list"}, esc_path($diff->{'file'}));
5007 print "</td>\n";
5008 print "<td>$mode_chng</td>\n";
5009 print "<td class=\"link\">";
5010 if ($action eq 'commitdiff') {
5011 # link to patch
5012 $patchno++;
5013 print $cgi->a({-href => href(-anchor=>"patch$patchno")},
5014 "patch") .
5015 " | ";
5016 }
5017 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5018 hash_base=>$hash, file_name=>$diff->{'file'})},
5019 "blob");
5020 print "</td>\n";
5021
5022 } elsif ($diff->{'status'} eq "D") { # deleted
5023 my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
5024 print "<td>";
5025 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'},
5026 hash_base=>$parent, file_name=>$diff->{'file'}),
5027 -class => "list"}, esc_path($diff->{'file'}));
5028 print "</td>\n";
5029 print "<td>$mode_chng</td>\n";
5030 print "<td class=\"link\">";
5031 if ($action eq 'commitdiff') {
5032 # link to patch
5033 $patchno++;
5034 print $cgi->a({-href => href(-anchor=>"patch$patchno")},
5035 "patch") .
5036 " | ";
5037 }
5038 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'},
5039 hash_base=>$parent, file_name=>$diff->{'file'})},
5040 "blob") . " | ";
5041 if ($have_blame) {
5042 print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
5043 file_name=>$diff->{'file'})},
5044 "blame") . " | ";
5045 }
5046 print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
5047 file_name=>$diff->{'file'})},
5048 "history");
5049 print "</td>\n";
5050
5051 } elsif ($diff->{'status'} eq "M" || $diff->{'status'} eq "T") { # modified, or type changed
5052 my $mode_chnge = "";
5053 if ($diff->{'from_mode'} != $diff->{'to_mode'}) {
5054 $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
5055 if ($from_file_type ne $to_file_type) {
5056 $mode_chnge .= " from $from_file_type to $to_file_type";
5057 }
5058 if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
5059 if ($from_mode_str && $to_mode_str) {
5060 $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
5061 } elsif ($to_mode_str) {
5062 $mode_chnge .= " mode: $to_mode_str";
5063 }
5064 }
5065 $mode_chnge .= "]</span>\n";
5066 }
5067 print "<td>";
5068 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5069 hash_base=>$hash, file_name=>$diff->{'file'}),
5070 -class => "list"}, esc_path($diff->{'file'}));
5071 print "</td>\n";
5072 print "<td>$mode_chnge</td>\n";
5073 print "<td class=\"link\">";
5074 if ($action eq 'commitdiff') {
5075 # link to patch
5076 $patchno++;
5077 print $cgi->a({-href => href(-anchor=>"patch$patchno")},
5078 "patch") .
5079 " | ";
5080 } elsif ($diff->{'to_id'} ne $diff->{'from_id'}) {
5081 # "commit" view and modified file (not onlu mode changed)
5082 print $cgi->a({-href => href(action=>"blobdiff",
5083 hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'},
5084 hash_base=>$hash, hash_parent_base=>$parent,
5085 file_name=>$diff->{'file'})},
5086 "diff") .
5087 " | ";
5088 }
5089 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5090 hash_base=>$hash, file_name=>$diff->{'file'})},
5091 "blob") . " | ";
5092 if ($have_blame) {
5093 print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
5094 file_name=>$diff->{'file'})},
5095 "blame") . " | ";
5096 }
5097 print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
5098 file_name=>$diff->{'file'})},
5099 "history");
5100 print "</td>\n";
5101
5102 } elsif ($diff->{'status'} eq "R" || $diff->{'status'} eq "C") { # renamed or copied
5103 my %status_name = ('R' => 'moved', 'C' => 'copied');
5104 my $nstatus = $status_name{$diff->{'status'}};
5105 my $mode_chng = "";
5106 if ($diff->{'from_mode'} != $diff->{'to_mode'}) {
5107 # mode also for directories, so we cannot use $to_mode_str
5108 $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
5109 }
5110 print "<td>" .
5111 $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
5112 hash=>$diff->{'to_id'}, file_name=>$diff->{'to_file'}),
5113 -class => "list"}, esc_path($diff->{'to_file'})) . "</td>\n" .
5114 "<td><span class=\"file_status $nstatus\">[$nstatus from " .
5115 $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
5116 hash=>$diff->{'from_id'}, file_name=>$diff->{'from_file'}),
5117 -class => "list"}, esc_path($diff->{'from_file'})) .
5118 " with " . (int $diff->{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
5119 "<td class=\"link\">";
5120 if ($action eq 'commitdiff') {
5121 # link to patch
5122 $patchno++;
5123 print $cgi->a({-href => href(-anchor=>"patch$patchno")},
5124 "patch") .
5125 " | ";
5126 } elsif ($diff->{'to_id'} ne $diff->{'from_id'}) {
5127 # "commit" view and modified file (not only pure rename or copy)
5128 print $cgi->a({-href => href(action=>"blobdiff",
5129 hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'},
5130 hash_base=>$hash, hash_parent_base=>$parent,
5131 file_name=>$diff->{'to_file'}, file_parent=>$diff->{'from_file'})},
5132 "diff") .
5133 " | ";
5134 }
5135 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5136 hash_base=>$parent, file_name=>$diff->{'to_file'})},
5137 "blob") . " | ";
5138 if ($have_blame) {
5139 print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
5140 file_name=>$diff->{'to_file'})},
5141 "blame") . " | ";
5142 }
5143 print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
5144 file_name=>$diff->{'to_file'})},
5145 "history");
5146 print "</td>\n";
5147
5148 } # we should not encounter Unmerged (U) or Unknown (X) status
5149 print "</tr>\n";
5150 }
5151 print "</tbody>" if $has_header;
5152 print "</table>\n";
5153 }
5154
5155 # Print context lines and then rem/add lines in a side-by-side manner.
5156 sub print_sidebyside_diff_lines {
5157 my ($ctx, $rem, $add) = @_;
5158
5159 # print context block before add/rem block
5160 if (@$ctx) {
5161 print join '',
5162 '<div class="chunk_block ctx">',
5163 '<div class="old">',
5164 @$ctx,
5165 '</div>',
5166 '<div class="new">',
5167 @$ctx,
5168 '</div>',
5169 '</div>';
5170 }
5171
5172 if (!@$add) {
5173 # pure removal
5174 print join '',
5175 '<div class="chunk_block rem">',
5176 '<div class="old">',
5177 @$rem,
5178 '</div>',
5179 '</div>';
5180 } elsif (!@$rem) {
5181 # pure addition
5182 print join '',
5183 '<div class="chunk_block add">',
5184 '<div class="new">',
5185 @$add,
5186 '</div>',
5187 '</div>';
5188 } else {
5189 print join '',
5190 '<div class="chunk_block chg">',
5191 '<div class="old">',
5192 @$rem,
5193 '</div>',
5194 '<div class="new">',
5195 @$add,
5196 '</div>',
5197 '</div>';
5198 }
5199 }
5200
5201 # Print context lines and then rem/add lines in inline manner.
5202 sub print_inline_diff_lines {
5203 my ($ctx, $rem, $add) = @_;
5204
5205 print @$ctx, @$rem, @$add;
5206 }
5207
5208 # Format removed and added line, mark changed part and HTML-format them.
5209 # Implementation is based on contrib/diff-highlight
5210 sub format_rem_add_lines_pair {
5211 my ($rem, $add, $num_parents) = @_;
5212
5213 # We need to untabify lines before split()'ing them;
5214 # otherwise offsets would be invalid.
5215 chomp $rem;
5216 chomp $add;
5217 $rem = untabify($rem);
5218 $add = untabify($add);
5219
5220 my @rem = split(//, $rem);
5221 my @add = split(//, $add);
5222 my ($esc_rem, $esc_add);
5223 # Ignore leading +/- characters for each parent.
5224 my ($prefix_len, $suffix_len) = ($num_parents, 0);
5225 my ($prefix_has_nonspace, $suffix_has_nonspace);
5226
5227 my $shorter = (@rem < @add) ? @rem : @add;
5228 while ($prefix_len < $shorter) {
5229 last if ($rem[$prefix_len] ne $add[$prefix_len]);
5230
5231 $prefix_has_nonspace = 1 if ($rem[$prefix_len] !~ /\s/);
5232 $prefix_len++;
5233 }
5234
5235 while ($prefix_len + $suffix_len < $shorter) {
5236 last if ($rem[-1 - $suffix_len] ne $add[-1 - $suffix_len]);
5237
5238 $suffix_has_nonspace = 1 if ($rem[-1 - $suffix_len] !~ /\s/);
5239 $suffix_len++;
5240 }
5241
5242 # Mark lines that are different from each other, but have some common
5243 # part that isn't whitespace. If lines are completely different, don't
5244 # mark them because that would make output unreadable, especially if
5245 # diff consists of multiple lines.
5246 if ($prefix_has_nonspace || $suffix_has_nonspace) {
5247 $esc_rem = esc_html_hl_regions($rem, 'marked',
5248 [$prefix_len, @rem - $suffix_len], -nbsp=>1);
5249 $esc_add = esc_html_hl_regions($add, 'marked',
5250 [$prefix_len, @add - $suffix_len], -nbsp=>1);
5251 } else {
5252 $esc_rem = esc_html($rem, -nbsp=>1);
5253 $esc_add = esc_html($add, -nbsp=>1);
5254 }
5255
5256 return format_diff_line(\$esc_rem, 'rem'),
5257 format_diff_line(\$esc_add, 'add');
5258 }
5259
5260 # HTML-format diff context, removed and added lines.
5261 sub format_ctx_rem_add_lines {
5262 my ($ctx, $rem, $add, $num_parents) = @_;
5263 my (@new_ctx, @new_rem, @new_add);
5264 my $can_highlight = 0;
5265 my $is_combined = ($num_parents > 1);
5266
5267 # Highlight if every removed line has a corresponding added line.
5268 if (@$add > 0 && @$add == @$rem) {
5269 $can_highlight = 1;
5270
5271 # Highlight lines in combined diff only if the chunk contains
5272 # diff between the same version, e.g.
5273 #
5274 # - a
5275 # - b
5276 # + c
5277 # + d
5278 #
5279 # Otherwise the highlighting would be confusing.
5280 if ($is_combined) {
5281 for (my $i = 0; $i < @$add; $i++) {
5282 my $prefix_rem = substr($rem->[$i], 0, $num_parents);
5283 my $prefix_add = substr($add->[$i], 0, $num_parents);
5284
5285 $prefix_rem =~ s/-/+/g;
5286
5287 if ($prefix_rem ne $prefix_add) {
5288 $can_highlight = 0;
5289 last;
5290 }
5291 }
5292 }
5293 }
5294
5295 if ($can_highlight) {
5296 for (my $i = 0; $i < @$add; $i++) {
5297 my ($line_rem, $line_add) = format_rem_add_lines_pair(
5298 $rem->[$i], $add->[$i], $num_parents);
5299 push @new_rem, $line_rem;
5300 push @new_add, $line_add;
5301 }
5302 } else {
5303 @new_rem = map { format_diff_line($_, 'rem') } @$rem;
5304 @new_add = map { format_diff_line($_, 'add') } @$add;
5305 }
5306
5307 @new_ctx = map { format_diff_line($_, 'ctx') } @$ctx;
5308
5309 return (\@new_ctx, \@new_rem, \@new_add);
5310 }
5311
5312 # Print context lines and then rem/add lines.
5313 sub print_diff_lines {
5314 my ($ctx, $rem, $add, $diff_style, $num_parents) = @_;
5315 my $is_combined = $num_parents > 1;
5316
5317 ($ctx, $rem, $add) = format_ctx_rem_add_lines($ctx, $rem, $add,
5318 $num_parents);
5319
5320 if ($diff_style eq 'sidebyside' && !$is_combined) {
5321 print_sidebyside_diff_lines($ctx, $rem, $add);
5322 } else {
5323 # default 'inline' style and unknown styles
5324 print_inline_diff_lines($ctx, $rem, $add);
5325 }
5326 }
5327
5328 sub print_diff_chunk {
5329 my ($diff_style, $num_parents, $from, $to, @chunk) = @_;
5330 my (@ctx, @rem, @add);
5331
5332 # The class of the previous line.
5333 my $prev_class = '';
5334
5335 return unless @chunk;
5336
5337 # incomplete last line might be among removed or added lines,
5338 # or both, or among context lines: find which
5339 for (my $i = 1; $i < @chunk; $i++) {
5340 if ($chunk[$i][0] eq 'incomplete') {
5341 $chunk[$i][0] = $chunk[$i-1][0];
5342 }
5343 }
5344
5345 # guardian
5346 push @chunk, ["", ""];
5347
5348 foreach my $line_info (@chunk) {
5349 my ($class, $line) = @$line_info;
5350
5351 # print chunk headers
5352 if ($class && $class eq 'chunk_header') {
5353 print format_diff_line($line, $class, $from, $to);
5354 next;
5355 }
5356
5357 ## print from accumulator when have some add/rem lines or end
5358 # of chunk (flush context lines), or when have add and rem
5359 # lines and new block is reached (otherwise add/rem lines could
5360 # be reordered)
5361 if (!$class || ((@rem || @add) && $class eq 'ctx') ||
5362 (@rem && @add && $class ne $prev_class)) {
5363 print_diff_lines(\@ctx, \@rem, \@add,
5364 $diff_style, $num_parents);
5365 @ctx = @rem = @add = ();
5366 }
5367
5368 ## adding lines to accumulator
5369 # guardian value
5370 last unless $line;
5371 # rem, add or change
5372 if ($class eq 'rem') {
5373 push @rem, $line;
5374 } elsif ($class eq 'add') {
5375 push @add, $line;
5376 }
5377 # context line
5378 if ($class eq 'ctx') {
5379 push @ctx, $line;
5380 }
5381
5382 $prev_class = $class;
5383 }
5384 }
5385
5386 sub git_patchset_body {
5387 my ($fd, $diff_style, $difftree, $hash, @hash_parents) = @_;
5388 my ($hash_parent) = $hash_parents[0];
5389
5390 my $is_combined = (@hash_parents > 1);
5391 my $patch_idx = 0;
5392 my $patch_number = 0;
5393 my $patch_line;
5394 my $diffinfo;
5395 my $to_name;
5396 my (%from, %to);
5397 my @chunk; # for side-by-side diff
5398
5399 print "<div class=\"patchset\">\n";
5400
5401 # skip to first patch
5402 while ($patch_line = <$fd>) {
5403 chomp $patch_line;
5404
5405 last if ($patch_line =~ m/^diff /);
5406 }
5407
5408 PATCH:
5409 while ($patch_line) {
5410
5411 # parse "git diff" header line
5412 if ($patch_line =~ m/^diff --git (\"(?:[^\\\"]*(?:\\.[^\\\"]*)*)\"|[^ "]*) (.*)$/) {
5413 # $1 is from_name, which we do not use
5414 $to_name = unquote($2);
5415 $to_name =~ s!^b/!!;
5416 } elsif ($patch_line =~ m/^diff --(cc|combined) ("?.*"?)$/) {
5417 # $1 is 'cc' or 'combined', which we do not use
5418 $to_name = unquote($2);
5419 } else {
5420 $to_name = undef;
5421 }
5422
5423 # check if current patch belong to current raw line
5424 # and parse raw git-diff line if needed
5425 if (is_patch_split($diffinfo, { 'to_file' => $to_name })) {
5426 # this is continuation of a split patch
5427 print "<div class=\"patch cont\">\n";
5428 } else {
5429 # advance raw git-diff output if needed
5430 $patch_idx++ if defined $diffinfo;
5431
5432 # read and prepare patch information
5433 $diffinfo = parsed_difftree_line($difftree->[$patch_idx]);
5434
5435 # compact combined diff output can have some patches skipped
5436 # find which patch (using pathname of result) we are at now;
5437 if ($is_combined) {
5438 while ($to_name ne $diffinfo->{'to_file'}) {
5439 print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n" .
5440 format_diff_cc_simplified($diffinfo, @hash_parents) .
5441 "</div>\n"; # class="patch"
5442
5443 $patch_idx++;
5444 $patch_number++;
5445
5446 last if $patch_idx > $#$difftree;
5447 $diffinfo = parsed_difftree_line($difftree->[$patch_idx]);
5448 }
5449 }
5450
5451 # modifies %from, %to hashes
5452 parse_from_to_diffinfo($diffinfo, \%from, \%to, @hash_parents);
5453
5454 # this is first patch for raw difftree line with $patch_idx index
5455 # we index @$difftree array from 0, but number patches from 1
5456 print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n";
5457 }
5458
5459 # git diff header
5460 #assert($patch_line =~ m/^diff /) if DEBUG;
5461 #assert($patch_line !~ m!$/$!) if DEBUG; # is chomp-ed
5462 $patch_number++;
5463 # print "git diff" header
5464 print format_git_diff_header_line($patch_line, $diffinfo,
5465 \%from, \%to);
5466
5467 # print extended diff header
5468 print "<div class=\"diff extended_header\">\n";
5469 EXTENDED_HEADER:
5470 while ($patch_line = <$fd>) {
5471 chomp $patch_line;
5472
5473 last EXTENDED_HEADER if ($patch_line =~ m/^--- |^diff /);
5474
5475 print format_extended_diff_header_line($patch_line, $diffinfo,
5476 \%from, \%to);
5477 }
5478 print "</div>\n"; # class="diff extended_header"
5479
5480 # from-file/to-file diff header
5481 if (! $patch_line) {
5482 print "</div>\n"; # class="patch"
5483 last PATCH;
5484 }
5485 next PATCH if ($patch_line =~ m/^diff /);
5486 #assert($patch_line =~ m/^---/) if DEBUG;
5487
5488 my $last_patch_line = $patch_line;
5489 $patch_line = <$fd>;
5490 chomp $patch_line;
5491 #assert($patch_line =~ m/^\+\+\+/) if DEBUG;
5492
5493 print format_diff_from_to_header($last_patch_line, $patch_line,
5494 $diffinfo, \%from, \%to,
5495 @hash_parents);
5496
5497 # the patch itself
5498 LINE:
5499 while ($patch_line = <$fd>) {
5500 chomp $patch_line;
5501
5502 next PATCH if ($patch_line =~ m/^diff /);
5503
5504 my $class = diff_line_class($patch_line, \%from, \%to);
5505
5506 if ($class eq 'chunk_header') {
5507 print_diff_chunk($diff_style, scalar @hash_parents, \%from, \%to, @chunk);
5508 @chunk = ();
5509 }
5510
5511 push @chunk, [ $class, $patch_line ];
5512 }
5513
5514 } continue {
5515 if (@chunk) {
5516 print_diff_chunk($diff_style, scalar @hash_parents, \%from, \%to, @chunk);
5517 @chunk = ();
5518 }
5519 print "</div>\n"; # class="patch"
5520 }
5521
5522 # for compact combined (--cc) format, with chunk and patch simplification
5523 # the patchset might be empty, but there might be unprocessed raw lines
5524 for (++$patch_idx if $patch_number > 0;
5525 $patch_idx < @$difftree;
5526 ++$patch_idx) {
5527 # read and prepare patch information
5528 $diffinfo = parsed_difftree_line($difftree->[$patch_idx]);
5529
5530 # generate anchor for "patch" links in difftree / whatchanged part
5531 print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n" .
5532 format_diff_cc_simplified($diffinfo, @hash_parents) .
5533 "</div>\n"; # class="patch"
5534
5535 $patch_number++;
5536 }
5537
5538 if ($patch_number == 0) {
5539 if (@hash_parents > 1) {
5540 print "<div class=\"diff nodifferences\">Trivial merge</div>\n";
5541 } else {
5542 print "<div class=\"diff nodifferences\">No differences found</div>\n";
5543 }
5544 }
5545
5546 print "</div>\n"; # class="patchset"
5547 }
5548
5549 # . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5550
5551 sub git_project_search_form {
5552 my ($searchtext, $search_use_regexp) = @_;
5553
5554 my $limit = '';
5555 if ($project_filter) {
5556 $limit = " in '$project_filter/'";
5557 }
5558
5559 print "<div class=\"projsearch\">\n";
5560 print $cgi->start_form(-method => 'get', -action => $my_uri) .
5561 $cgi->hidden(-name => 'a', -value => 'project_list') . "\n";
5562 print $cgi->hidden(-name => 'pf', -value => $project_filter). "\n"
5563 if (defined $project_filter);
5564 print $cgi->textfield(-name => 's', -value => $searchtext,
5565 -title => "Search project by name and description$limit",
5566 -size => 60) . "\n" .
5567 "<span title=\"Extended regular expression\">" .
5568 $cgi->checkbox(-name => 'sr', -value => 1, -label => 're',
5569 -checked => $search_use_regexp) .
5570 "</span>\n" .
5571 $cgi->submit(-name => 'btnS', -value => 'Search') .
5572 $cgi->end_form() . "\n" .
5573 $cgi->a({-href => href(project => undef, searchtext => undef,
5574 project_filter => $project_filter)},
5575 esc_html("List all projects$limit")) . "<br />\n";
5576 print "</div>\n";
5577 }
5578
5579 # entry for given @keys needs filling if at least one of keys in list
5580 # is not present in %$project_info
5581 sub project_info_needs_filling {
5582 my ($project_info, @keys) = @_;
5583
5584 # return List::MoreUtils::any { !exists $project_info->{$_} } @keys;
5585 foreach my $key (@keys) {
5586 if (!exists $project_info->{$key}) {
5587 return 1;
5588 }
5589 }
5590 return;
5591 }
5592
5593 # fills project list info (age, description, owner, category, forks, etc.)
5594 # for each project in the list, removing invalid projects from
5595 # returned list, or fill only specified info.
5596 #
5597 # Invalid projects are removed from the returned list if and only if you
5598 # ask 'age' or 'age_string' to be filled, because they are the only fields
5599 # that run unconditionally git command that requires repository, and
5600 # therefore do always check if project repository is invalid.
5601 #
5602 # USAGE:
5603 # * fill_project_list_info(\@project_list, 'descr_long', 'ctags')
5604 # ensures that 'descr_long' and 'ctags' fields are filled
5605 # * @project_list = fill_project_list_info(\@project_list)
5606 # ensures that all fields are filled (and invalid projects removed)
5607 #
5608 # NOTE: modifies $projlist, but does not remove entries from it
5609 sub fill_project_list_info {
5610 my ($projlist, @wanted_keys) = @_;
5611 my @projects;
5612 my $filter_set = sub { return @_; };
5613 if (@wanted_keys) {
5614 my %wanted_keys = map { $_ => 1 } @wanted_keys;
5615 $filter_set = sub { return grep { $wanted_keys{$_} } @_; };
5616 }
5617
5618 my $show_ctags = gitweb_check_feature('ctags');
5619 PROJECT:
5620 foreach my $pr (@$projlist) {
5621 if (project_info_needs_filling($pr, $filter_set->('age', 'age_string'))) {
5622 my (@activity) = git_get_last_activity($pr->{'path'});
5623 unless (@activity) {
5624 next PROJECT;
5625 }
5626 ($pr->{'age'}, $pr->{'age_string'}) = @activity;
5627 }
5628 if (project_info_needs_filling($pr, $filter_set->('descr', 'descr_long'))) {
5629 my $descr = git_get_project_description($pr->{'path'}) || "";
5630 $descr = to_utf8($descr);
5631 $pr->{'descr_long'} = $descr;
5632 $pr->{'descr'} = chop_str($descr, $projects_list_description_width, 5);
5633 }
5634 if (project_info_needs_filling($pr, $filter_set->('owner'))) {
5635 $pr->{'owner'} = git_get_project_owner("$pr->{'path'}") || "";
5636 }
5637 if ($show_ctags &&
5638 project_info_needs_filling($pr, $filter_set->('ctags'))) {
5639 $pr->{'ctags'} = git_get_project_ctags($pr->{'path'});
5640 }
5641 if ($projects_list_group_categories &&
5642 project_info_needs_filling($pr, $filter_set->('category'))) {
5643 my $cat = git_get_project_category($pr->{'path'}) ||
5644 $project_list_default_category;
5645 $pr->{'category'} = to_utf8($cat);
5646 }
5647
5648 push @projects, $pr;
5649 }
5650
5651 return @projects;
5652 }
5653
5654 sub sort_projects_list {
5655 my ($projlist, $order) = @_;
5656
5657 sub order_str {
5658 my $key = shift;
5659 return sub { $a->{$key} cmp $b->{$key} };
5660 }
5661
5662 sub order_num_then_undef {
5663 my $key = shift;
5664 return sub {
5665 defined $a->{$key} ?
5666 (defined $b->{$key} ? $a->{$key} <=> $b->{$key} : -1) :
5667 (defined $b->{$key} ? 1 : 0)
5668 };
5669 }
5670
5671 my %orderings = (
5672 project => order_str('path'),
5673 descr => order_str('descr_long'),
5674 owner => order_str('owner'),
5675 age => order_num_then_undef('age'),
5676 );
5677
5678 my $ordering = $orderings{$order};
5679 return defined $ordering ? sort $ordering @$projlist : @$projlist;
5680 }
5681
5682 # returns a hash of categories, containing the list of project
5683 # belonging to each category
5684 sub build_projlist_by_category {
5685 my ($projlist, $from, $to) = @_;
5686 my %categories;
5687
5688 $from = 0 unless defined $from;
5689 $to = $#$projlist if (!defined $to || $#$projlist < $to);
5690
5691 for (my $i = $from; $i <= $to; $i++) {
5692 my $pr = $projlist->[$i];
5693 push @{$categories{ $pr->{'category'} }}, $pr;
5694 }
5695
5696 return wantarray ? %categories : \%categories;
5697 }
5698
5699 # print 'sort by' <th> element, generating 'sort by $name' replay link
5700 # if that order is not selected
5701 sub print_sort_th {
5702 print format_sort_th(@_);
5703 }
5704
5705 sub format_sort_th {
5706 my ($name, $order, $header) = @_;
5707 my $sort_th = "";
5708 $header ||= ucfirst($name);
5709
5710 if ($order eq $name) {
5711 $sort_th .= "<th>$header</th>\n";
5712 } else {
5713 $sort_th .= "<th>" .
5714 $cgi->a({-href => href(-replay=>1, order=>$name),
5715 -class => "header"}, $header) .
5716 "</th>\n";
5717 }
5718
5719 return $sort_th;
5720 }
5721
5722 sub git_project_list_rows {
5723 my ($projlist, $from, $to, $check_forks) = @_;
5724
5725 $from = 0 unless defined $from;
5726 $to = $#$projlist if (!defined $to || $#$projlist < $to);
5727
5728 my $alternate = 1;
5729 for (my $i = $from; $i <= $to; $i++) {
5730 my $pr = $projlist->[$i];
5731
5732 if ($alternate) {
5733 print "<tr class=\"dark\">\n";
5734 } else {
5735 print "<tr class=\"light\">\n";
5736 }
5737 $alternate ^= 1;
5738
5739 if ($check_forks) {
5740 print "<td>";
5741 if ($pr->{'forks'}) {
5742 my $nforks = scalar @{$pr->{'forks'}};
5743 if ($nforks > 0) {
5744 print $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks"),
5745 -title => "$nforks forks"}, "+");
5746 } else {
5747 print $cgi->span({-title => "$nforks forks"}, "+");
5748 }
5749 }
5750 print "</td>\n";
5751 }
5752 print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
5753 -class => "list"},
5754 esc_html_match_hl($pr->{'path'}, $search_regexp)) .
5755 "</td>\n" .
5756 "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
5757 -class => "list",
5758 -title => $pr->{'descr_long'}},
5759 $search_regexp
5760 ? esc_html_match_hl_chopped($pr->{'descr_long'},
5761 $pr->{'descr'}, $search_regexp)
5762 : esc_html($pr->{'descr'})) .
5763 "</td>\n";
5764 unless ($omit_owner) {
5765 print "<td><i>" . chop_and_escape_str($pr->{'owner'}, 15) . "</i></td>\n";
5766 }
5767 unless ($omit_age_column) {
5768 print "<td class=\"". age_class($pr->{'age'}) . "\">" .
5769 (defined $pr->{'age_string'} ? $pr->{'age_string'} : "No commits") . "</td>\n";
5770 }
5771 print"<td class=\"link\">" .
5772 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary") . " | " .
5773 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
5774 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " .
5775 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") .
5776 ($pr->{'forks'} ? " | " . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks")}, "forks") : '') .
5777 "</td>\n" .
5778 "</tr>\n";
5779 }
5780 }
5781
5782 sub git_project_list_body {
5783 # actually uses global variable $project
5784 my ($projlist, $order, $from, $to, $extra, $no_header) = @_;
5785 my @projects = @$projlist;
5786
5787 my $check_forks = gitweb_check_feature('forks');
5788 my $show_ctags = gitweb_check_feature('ctags');
5789 my $tagfilter = $show_ctags ? $input_params{'ctag'} : undef;
5790 $check_forks = undef
5791 if ($tagfilter || $search_regexp);
5792
5793 # filtering out forks before filling info allows to do less work
5794 @projects = filter_forks_from_projects_list(\@projects)
5795 if ($check_forks);
5796 # search_projects_list pre-fills required info
5797 @projects = search_projects_list(\@projects,
5798 'search_regexp' => $search_regexp,
5799 'tagfilter' => $tagfilter)
5800 if ($tagfilter || $search_regexp);
5801 # fill the rest
5802 my @all_fields = ('descr', 'descr_long', 'ctags', 'category');
5803 push @all_fields, ('age', 'age_string') unless($omit_age_column);
5804 push @all_fields, 'owner' unless($omit_owner);
5805 @projects = fill_project_list_info(\@projects, @all_fields);
5806
5807 $order ||= $default_projects_order;
5808 $from = 0 unless defined $from;
5809 $to = $#projects if (!defined $to || $#projects < $to);
5810
5811 # short circuit
5812 if ($from > $to) {
5813 print "<center>\n".
5814 "<b>No such projects found</b><br />\n".
5815 "Click ".$cgi->a({-href=>href(project=>undef)},"here")." to view all projects<br />\n".
5816 "</center>\n<br />\n";
5817 return;
5818 }
5819
5820 @projects = sort_projects_list(\@projects, $order);
5821
5822 if ($show_ctags) {
5823 my $ctags = git_gather_all_ctags(\@projects);
5824 my $cloud = git_populate_project_tagcloud($ctags);
5825 print git_show_project_tagcloud($cloud, 64);
5826 }
5827
5828 print "<table class=\"project_list\">\n";
5829 unless ($no_header) {
5830 print "<tr>\n";
5831 if ($check_forks) {
5832 print "<th></th>\n";
5833 }
5834 print_sort_th('project', $order, 'Project');
5835 print_sort_th('descr', $order, 'Description');
5836 print_sort_th('owner', $order, 'Owner') unless $omit_owner;
5837 print_sort_th('age', $order, 'Last Change') unless $omit_age_column;
5838 print "<th></th>\n" . # for links
5839 "</tr>\n";
5840 }
5841
5842 if ($projects_list_group_categories) {
5843 # only display categories with projects in the $from-$to window
5844 @projects = sort {$a->{'category'} cmp $b->{'category'}} @projects[$from..$to];
5845 my %categories = build_projlist_by_category(\@projects, $from, $to);
5846 foreach my $cat (sort keys %categories) {
5847 unless ($cat eq "") {
5848 print "<tr>\n";
5849 if ($check_forks) {
5850 print "<td></td>\n";
5851 }
5852 print "<td class=\"category\" colspan=\"5\">".esc_html($cat)."</td>\n";
5853 print "</tr>\n";
5854 }
5855
5856 git_project_list_rows($categories{$cat}, undef, undef, $check_forks);
5857 }
5858 } else {
5859 git_project_list_rows(\@projects, $from, $to, $check_forks);
5860 }
5861
5862 if (defined $extra) {
5863 print "<tr>\n";
5864 if ($check_forks) {
5865 print "<td></td>\n";
5866 }
5867 print "<td colspan=\"5\">$extra</td>\n" .
5868 "</tr>\n";
5869 }
5870 print "</table>\n";
5871 }
5872
5873 sub git_log_body {
5874 # uses global variable $project
5875 my ($commitlist, $from, $to, $refs, $extra) = @_;
5876
5877 $from = 0 unless defined $from;
5878 $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to);
5879
5880 for (my $i = 0; $i <= $to; $i++) {
5881 my %co = %{$commitlist->[$i]};
5882 next if !%co;
5883 my $commit = $co{'id'};
5884 my $ref = format_ref_marker($refs, $commit);
5885 git_print_header_div('commit',
5886 "<time datetime=\"$co{'age_string_iso8601'}\" title=\"$co{'age_string_iso8601'}\" class=\"age\">$co{'age_string'}</time>" .
5887 esc_html($co{'title'}) . $ref,
5888 $commit);
5889 print "<div class=\"title_text\">\n" .
5890 "<div class=\"log_link\">\n" .
5891 $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
5892 " | " .
5893 $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
5894 " | " .
5895 $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") .
5896 "</div>\n";
5897 git_print_authorship(\%co, -tag => 'span');
5898 print "</div>\n";
5899
5900 print "<div class=\"log_body\">\n";
5901 git_print_log($co{'comment'});
5902 print "</div>\n";
5903 }
5904 if ($extra) {
5905 print "<div class=\"page_nav\">\n";
5906 print "$extra\n";
5907 print "</div>\n";
5908 }
5909 }
5910
5911 sub git_shortlog_body {
5912 # uses global variable $project
5913 my ($commitlist, $from, $to, $refs, $extra) = @_;
5914
5915 $from = 0 unless defined $from;
5916 $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to);
5917
5918 print "<table class=\"shortlog\">\n";
5919 my $alternate = 1;
5920 for (my $i = $from; $i <= $to; $i++) {
5921 my %co = %{$commitlist->[$i]};
5922 my $commit = $co{'id'};
5923 my $ref = format_ref_marker($refs, $commit);
5924 if ($alternate) {
5925 print "<tr class=\"dark\">\n";
5926 } else {
5927 print "<tr class=\"light\">\n";
5928 }
5929 $alternate ^= 1;
5930 # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
5931 print "<td title=\"$co{'age_string_age'}\"><time datetime=\"$co{'age_string_iso8601'}\">$co{'age_string_date'}</time></td>\n" .
5932 format_author_html('td', \%co, 10) . "<td>";
5933 print format_subject_html($co{'title'}, $co{'title_short'},
5934 href(action=>"commit", hash=>$commit), $ref);
5935 print "</td>\n" .
5936 "<td class=\"link\">" .
5937 $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
5938 $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
5939 $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree");
5940 my $snapshot_links = format_snapshot_links($commit);
5941 if (defined $snapshot_links) {
5942 print " | " . $snapshot_links;
5943 }
5944 print "</td>\n" .
5945 "</tr>\n";
5946 }
5947 if (defined $extra) {
5948 print "<tr>\n" .
5949 "<td colspan=\"4\">$extra</td>\n" .
5950 "</tr>\n";
5951 }
5952 print "</table>\n";
5953 }
5954
5955 sub git_history_body {
5956 # Warning: assumes constant type (blob or tree) during history
5957 my ($commitlist, $from, $to, $refs, $extra,
5958 $file_name, $file_hash, $ftype) = @_;
5959
5960 $from = 0 unless defined $from;
5961 $to = $#{$commitlist} unless (defined $to && $to <= $#{$commitlist});
5962
5963 print "<table class=\"history\">\n";
5964 my $alternate = 1;
5965 for (my $i = $from; $i <= $to; $i++) {
5966 my %co = %{$commitlist->[$i]};
5967 if (!%co) {
5968 next;
5969 }
5970 my $commit = $co{'id'};
5971
5972 my $ref = format_ref_marker($refs, $commit);
5973
5974 if ($alternate) {
5975 print "<tr class=\"dark\">\n";
5976 } else {
5977 print "<tr class=\"light\">\n";
5978 }
5979 $alternate ^= 1;
5980 print "<td title=\"$co{'age_string_age'}\"><time datetime=\"$co{'age_string_iso8601'}\">$co{'age_string_date'}</time></td>\n" .
5981 # shortlog: format_author_html('td', \%co, 10)
5982 format_author_html('td', \%co, 15, 3) . "<td>";
5983 # originally git_history used chop_str($co{'title'}, 50)
5984 print format_subject_html($co{'title'}, $co{'title_short'},
5985 href(action=>"commit", hash=>$commit), $ref);
5986 print "</td>\n" .
5987 "<td class=\"link\">" .
5988 $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype) . " | " .
5989 $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
5990
5991 if ($ftype eq 'blob') {
5992 print " | " .
5993 $cgi->a({-href => href(action=>"blob_plain", hash_base=>$commit, file_name=>$file_name)}, "raw");
5994
5995 my $blob_current = $file_hash;
5996 my $blob_parent = git_get_hash_by_path($commit, $file_name);
5997 if (defined $blob_current && defined $blob_parent &&
5998 $blob_current ne $blob_parent) {
5999 print " | " .
6000 $cgi->a({-href => href(action=>"blobdiff",
6001 hash=>$blob_current, hash_parent=>$blob_parent,
6002 hash_base=>$hash_base, hash_parent_base=>$commit,
6003 file_name=>$file_name)},
6004 "diff to current");
6005 }
6006 }
6007 print "</td>\n" .
6008 "</tr>\n";
6009 }
6010 if (defined $extra) {
6011 print "<tr>\n" .
6012 "<td colspan=\"4\">$extra</td>\n" .
6013 "</tr>\n";
6014 }
6015 print "</table>\n";
6016 }
6017
6018 sub git_tags_body {
6019 # uses global variable $project
6020 my ($taglist, $from, $to, $extra) = @_;
6021 $from = 0 unless defined $from;
6022 $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
6023
6024 print "<table class=\"tags\">\n";
6025 my $alternate = 1;
6026 for (my $i = $from; $i <= $to; $i++) {
6027 my $entry = $taglist->[$i];
6028 my %tag = %$entry;
6029 my $comment = $tag{'subject'};
6030 my $comment_short;
6031 if (defined $comment) {
6032 $comment_short = chop_str($comment, 30, 5);
6033 }
6034 if ($alternate) {
6035 print "<tr class=\"dark\">\n";
6036 } else {
6037 print "<tr class=\"light\">\n";
6038 }
6039 $alternate ^= 1;
6040 if (defined $tag{'age'}) {
6041 print "<td><i>$tag{'age'}</i></td>\n";
6042 } else {
6043 print "<td></td>\n";
6044 }
6045 print "<td>" .
6046 $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
6047 -class => "list name"}, esc_html($tag{'name'})) .
6048 "</td>\n" .
6049 "<td>";
6050 if (defined $comment) {
6051 print format_subject_html($comment, $comment_short,
6052 href(action=>"tag", hash=>$tag{'id'}));
6053 }
6054 print "</td>\n" .
6055 "<td class=\"selflink\">";
6056 if ($tag{'type'} eq "tag") {
6057 print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
6058 } else {
6059 print "&nbsp;";
6060 }
6061 print "</td>\n" .
6062 "<td class=\"link\">" . " | " .
6063 $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
6064 if ($tag{'reftype'} eq "commit") {
6065 print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'fullname'})}, "shortlog") .
6066 " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'fullname'})}, "log");
6067 } elsif ($tag{'reftype'} eq "blob") {
6068 print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
6069 }
6070 print "</td>\n" .
6071 "</tr>";
6072 }
6073 if (defined $extra) {
6074 print "<tr>\n" .
6075 "<td colspan=\"5\">$extra</td>\n" .
6076 "</tr>\n";
6077 }
6078 print "</table>\n";
6079 }
6080
6081 sub git_heads_body {
6082 # uses global variable $project
6083 my ($headlist, $head_at, $from, $to, $extra) = @_;
6084 $from = 0 unless defined $from;
6085 $to = $#{$headlist} if (!defined $to || $#{$headlist} < $to);
6086
6087 print "<table class=\"heads\">\n";
6088 my $alternate = 1;
6089 for (my $i = $from; $i <= $to; $i++) {
6090 my $entry = $headlist->[$i];
6091 my %ref = %$entry;
6092 my $curr = defined $head_at && $ref{'id'} eq $head_at;
6093 if ($alternate) {
6094 print "<tr class=\"dark\">\n";
6095 } else {
6096 print "<tr class=\"light\">\n";
6097 }
6098 $alternate ^= 1;
6099 print "<td><i>$ref{'age'}</i></td>\n" .
6100 ($curr ? "<td class=\"current_head\">" : "<td>") .
6101 $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'fullname'}),
6102 -class => "list name"},esc_html($ref{'name'})) .
6103 "</td>\n" .
6104 "<td class=\"link\">" .
6105 $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'fullname'})}, "shortlog") . " | " .
6106 $cgi->a({-href => href(action=>"log", hash=>$ref{'fullname'})}, "log") . " | " .
6107 $cgi->a({-href => href(action=>"tree", hash=>$ref{'fullname'}, hash_base=>$ref{'fullname'})}, "tree") .
6108 "</td>\n" .
6109 "</tr>";
6110 }
6111 if (defined $extra) {
6112 print "<tr>\n" .
6113 "<td colspan=\"3\">$extra</td>\n" .
6114 "</tr>\n";
6115 }
6116 print "</table>\n";
6117 }
6118
6119 # Display a single remote block
6120 sub git_remote_block {
6121 my ($remote, $rdata, $limit, $head) = @_;
6122
6123 my $heads = $rdata->{'heads'};
6124 my $fetch = $rdata->{'fetch'};
6125 my $push = $rdata->{'push'};
6126
6127 my $urls_table = "<table class=\"projects_list\">\n" ;
6128
6129 if (defined $fetch) {
6130 if ($fetch eq $push) {
6131 $urls_table .= format_repo_url("URL", $fetch);
6132 } else {
6133 $urls_table .= format_repo_url("Fetch URL", $fetch);
6134 $urls_table .= format_repo_url("Push URL", $push) if defined $push;
6135 }
6136 } elsif (defined $push) {
6137 $urls_table .= format_repo_url("Push URL", $push);
6138 } else {
6139 $urls_table .= format_repo_url("", "No remote URL");
6140 }
6141
6142 $urls_table .= "</table>\n";
6143
6144 my $dots;
6145 if (defined $limit && $limit < @$heads) {
6146 $dots = $cgi->a({-href => href(action=>"remotes", hash=>$remote)}, "...");
6147 }
6148
6149 print $urls_table;
6150 git_heads_body($heads, $head, 0, $limit, $dots);
6151 }
6152
6153 # Display a list of remote names with the respective fetch and push URLs
6154 sub git_remotes_list {
6155 my ($remotedata, $limit) = @_;
6156 print "<table class=\"heads\">\n";
6157 my $alternate = 1;
6158 my @remotes = sort keys %$remotedata;
6159
6160 my $limited = $limit && $limit < @remotes;
6161
6162 $#remotes = $limit - 1 if $limited;
6163
6164 while (my $remote = shift @remotes) {
6165 my $rdata = $remotedata->{$remote};
6166 my $fetch = $rdata->{'fetch'};
6167 my $push = $rdata->{'push'};
6168 if ($alternate) {
6169 print "<tr class=\"dark\">\n";
6170 } else {
6171 print "<tr class=\"light\">\n";
6172 }
6173 $alternate ^= 1;
6174 print "<td>" .
6175 $cgi->a({-href=> href(action=>'remotes', hash=>$remote),
6176 -class=> "list name"},esc_html($remote)) .
6177 "</td>";
6178 print "<td class=\"link\">" .
6179 (defined $fetch ? $cgi->a({-href=> $fetch}, "fetch") : "fetch") .
6180 " | " .
6181 (defined $push ? $cgi->a({-href=> $push}, "push") : "push") .
6182 "</td>";
6183
6184 print "</tr>\n";
6185 }
6186
6187 if ($limited) {
6188 print "<tr>\n" .
6189 "<td colspan=\"3\">" .
6190 $cgi->a({-href => href(action=>"remotes")}, "...") .
6191 "</td>\n" . "</tr>\n";
6192 }
6193
6194 print "</table>";
6195 }
6196
6197 # Display remote heads grouped by remote, unless there are too many
6198 # remotes, in which case we only display the remote names
6199 sub git_remotes_body {
6200 my ($remotedata, $limit, $head) = @_;
6201 if ($limit and $limit < keys %$remotedata) {
6202 git_remotes_list($remotedata, $limit);
6203 } else {
6204 fill_remote_heads($remotedata);
6205 while (my ($remote, $rdata) = each %$remotedata) {
6206 git_print_section({-class=>"remote", -id=>$remote},
6207 ["remotes", $remote, $remote], sub {
6208 git_remote_block($remote, $rdata, $limit, $head);
6209 });
6210 }
6211 }
6212 }
6213
6214 sub git_search_message {
6215 my %co = @_;
6216
6217 my $greptype;
6218 if ($searchtype eq 'commit') {
6219 $greptype = "--grep=";
6220 } elsif ($searchtype eq 'author') {
6221 $greptype = "--author=";
6222 } elsif ($searchtype eq 'committer') {
6223 $greptype = "--committer=";
6224 }
6225 $greptype .= $searchtext;
6226 my @commitlist = parse_commits($hash, 101, (100 * $page), undef,
6227 $greptype, '--regexp-ignore-case',
6228 $search_use_regexp ? '--extended-regexp' : '--fixed-strings');
6229
6230 my $paging_nav = '';
6231 if ($page > 0) {
6232 $paging_nav .=
6233 $cgi->a({-href => href(-replay=>1, page=>undef)},
6234 "first") .
6235 " &sdot; " .
6236 $cgi->a({-href => href(-replay=>1, page=>$page-1),
6237 -accesskey => "p", -title => "Alt-p"}, "prev");
6238 } else {
6239 $paging_nav .= "first &sdot; prev";
6240 }
6241 my $next_link = '';
6242 if ($#commitlist >= 100) {
6243 $next_link =
6244 $cgi->a({-href => href(-replay=>1, page=>$page+1),
6245 -accesskey => "n", -title => "Alt-n"}, "next");
6246 $paging_nav .= " &sdot; $next_link";
6247 } else {
6248 $paging_nav .= " &sdot; next";
6249 }
6250
6251 git_header_html();
6252
6253 git_print_page_nav('','', $hash,$co{'tree'},$hash, $paging_nav);
6254 git_print_header_div('commit', esc_html($co{'title'}), $hash);
6255 if ($page == 0 && !@commitlist) {
6256 print "<p>No match.</p>\n";
6257 } else {
6258 git_search_grep_body(\@commitlist, 0, 99, $next_link);
6259 }
6260
6261 git_footer_html();
6262 }
6263
6264 sub git_search_changes {
6265 my %co = @_;
6266
6267 local $/ = "\n";
6268 open my $fd, '-|', git_cmd(), '--no-pager', 'log', @diff_opts,
6269 '--pretty=format:%H', '--no-abbrev', '--raw', "-S$searchtext",
6270 ($search_use_regexp ? '--pickaxe-regex' : ())
6271 or die_error(500, "Open git-log failed");
6272
6273 git_header_html();
6274
6275 git_print_page_nav('','', $hash,$co{'tree'},$hash);
6276 git_print_header_div('commit', esc_html($co{'title'}), $hash);
6277
6278 print "<table class=\"pickaxe search\">\n";
6279 my $alternate = 1;
6280 undef %co;
6281 my @files;
6282 while (my $line = <$fd>) {
6283 chomp $line;
6284 next unless $line;
6285
6286 my %set = parse_difftree_raw_line($line);
6287 if (defined $set{'commit'}) {
6288 # finish previous commit
6289 if (%co) {
6290 print "</td>\n" .
6291 "<td class=\"link\">" .
6292 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})},
6293 "commit") .
6294 " | " .
6295 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'},
6296 hash_base=>$co{'id'})},
6297 "tree") .
6298 "</td>\n" .
6299 "</tr>\n";
6300 }
6301
6302 if ($alternate) {
6303 print "<tr class=\"dark\">\n";
6304 } else {
6305 print "<tr class=\"light\">\n";
6306 }
6307 $alternate ^= 1;
6308 %co = parse_commit($set{'commit'});
6309 my $author = chop_and_escape_str($co{'author_name'}, 15, 5);
6310 print "<td title=\"$co{'age_string_age'}\"><time datetime=\"$co{'age_string_iso8601'}\">$co{'age_string_date'}</time></td>\n" .
6311 "<td><i>$author</i></td>\n" .
6312 "<td>" .
6313 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
6314 -class => "list subject"},
6315 chop_and_escape_str($co{'title'}, 50) . "<br/>");
6316 } elsif (defined $set{'to_id'}) {
6317 next if is_deleted(\%set);
6318
6319 print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
6320 hash=>$set{'to_id'}, file_name=>$set{'to_file'}),
6321 -class => "list"},
6322 "<span class=\"match\">" . esc_path($set{'file'}) . "</span>") .
6323 "<br/>\n";
6324 }
6325 }
6326 close $fd;
6327
6328 # finish last commit (warning: repetition!)
6329 if (%co) {
6330 print "</td>\n" .
6331 "<td class=\"link\">" .
6332 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})},
6333 "commit") .
6334 " | " .
6335 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'},
6336 hash_base=>$co{'id'})},
6337 "tree") .
6338 "</td>\n" .
6339 "</tr>\n";
6340 }
6341
6342 print "</table>\n";
6343
6344 git_footer_html();
6345 }
6346
6347 sub git_search_files {
6348 my %co = @_;
6349
6350 local $/ = "\n";
6351 open my $fd, "-|", git_cmd(), 'grep', '-n', '-z',
6352 $search_use_regexp ? ('-E', '-i') : '-F',
6353 $searchtext, $co{'tree'}
6354 or die_error(500, "Open git-grep failed");
6355
6356 git_header_html();
6357
6358 git_print_page_nav('','', $hash,$co{'tree'},$hash);
6359 git_print_header_div('commit', esc_html($co{'title'}), $hash);
6360
6361 print "<table class=\"grep_search\">\n";
6362 my $alternate = 1;
6363 my $matches = 0;
6364 my $lastfile = '';
6365 my $file_href;
6366 while (my $line = <$fd>) {
6367 chomp $line;
6368 my ($file, $lno, $ltext, $binary);
6369 last if ($matches++ > 1000);
6370 if ($line =~ /^Binary file (.+) matches$/) {
6371 $file = $1;
6372 $binary = 1;
6373 } else {
6374 ($file, $lno, $ltext) = split(/\0/, $line, 3);
6375 $file =~ s/^$co{'tree'}://;
6376 }
6377 if ($file ne $lastfile) {
6378 $lastfile and print "</td></tr>\n";
6379 if ($alternate++) {
6380 print "<tr class=\"dark\">\n";
6381 } else {
6382 print "<tr class=\"light\">\n";
6383 }
6384 $file_href = href(action=>"blob", hash_base=>$co{'id'},
6385 file_name=>$file);
6386 print "<td class=\"list\">".
6387 $cgi->a({-href => $file_href, -class => "list"}, esc_path($file));
6388 print "</td><td>\n";
6389 $lastfile = $file;
6390 }
6391 if ($binary) {
6392 print "<div class=\"binary\">Binary file</div>\n";
6393 } else {
6394 $ltext = untabify($ltext);
6395 if ($ltext =~ m/^(.*)($search_regexp)(.*)$/i) {
6396 $ltext = esc_html($1, -nbsp=>1);
6397 $ltext .= '<span class="match">';
6398 $ltext .= esc_html($2, -nbsp=>1);
6399 $ltext .= '</span>';
6400 $ltext .= esc_html($3, -nbsp=>1);
6401 } else {
6402 $ltext = esc_html($ltext, -nbsp=>1);
6403 }
6404 print "<div class=\"pre\">" .
6405 $cgi->a({-href => $file_href.'#l'.$lno,
6406 -class => "linenr"}, sprintf('%4i ', $lno)) .
6407 $ltext . "</div>\n";
6408 }
6409 }
6410 if ($lastfile) {
6411 print "</td></tr>\n";
6412 if ($matches > 1000) {
6413 print "<div class=\"diff nodifferences\">Too many matches, listing trimmed</div>\n";
6414 }
6415 } else {
6416 print "<div class=\"diff nodifferences\">No matches found</div>\n";
6417 }
6418 close $fd;
6419
6420 print "</table>\n";
6421
6422 git_footer_html();
6423 }
6424
6425 sub git_search_grep_body {
6426 my ($commitlist, $from, $to, $extra) = @_;
6427 $from = 0 unless defined $from;
6428 $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to);
6429
6430 print "<table class=\"commit_search\">\n";
6431 my $alternate = 1;
6432 for (my $i = $from; $i <= $to; $i++) {
6433 my %co = %{$commitlist->[$i]};
6434 if (!%co) {
6435 next;
6436 }
6437 my $commit = $co{'id'};
6438 if ($alternate) {
6439 print "<tr class=\"dark\">\n";
6440 } else {
6441 print "<tr class=\"light\">\n";
6442 }
6443 $alternate ^= 1;
6444 print "<td title=\"$co{'age_string_age'}\"><time datetime=\"$co{'age_string_iso8601'}\">$co{'age_string_date'}</time></td>\n" .
6445 format_author_html('td', \%co, 15, 5) .
6446 "<td>" .
6447 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
6448 -class => "list subject"},
6449 chop_and_escape_str($co{'title'}, 50) . "<br/>");
6450 my $comment = $co{'comment'};
6451 foreach my $line (@$comment) {
6452 if ($line =~ m/^(.*?)($search_regexp)(.*)$/i) {
6453 my ($lead, $match, $trail) = ($1, $2, $3);
6454 $match = chop_str($match, 70, 5, 'center');
6455 my $contextlen = int((80 - length($match))/2);
6456 $contextlen = 30 if ($contextlen > 30);
6457 $lead = chop_str($lead, $contextlen, 10, 'left');
6458 $trail = chop_str($trail, $contextlen, 10, 'right');
6459
6460 $lead = esc_html($lead);
6461 $match = esc_html($match);
6462 $trail = esc_html($trail);
6463
6464 print "$lead<span class=\"match\">$match</span>$trail<br />";
6465 }
6466 }
6467 print "</td>\n" .
6468 "<td class=\"link\">" .
6469 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
6470 " | " .
6471 $cgi->a({-href => href(action=>"commitdiff", hash=>$co{'id'})}, "commitdiff") .
6472 " | " .
6473 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
6474 print "</td>\n" .
6475 "</tr>\n";
6476 }
6477 if (defined $extra) {
6478 print "<tr>\n" .
6479 "<td colspan=\"3\">$extra</td>\n" .
6480 "</tr>\n";
6481 }
6482 print "</table>\n";
6483 }
6484
6485 ## ======================================================================
6486 ## ======================================================================
6487 ## actions
6488
6489 sub git_project_list {
6490 my $order = $input_params{'order'};
6491 if (defined $order && $order !~ m/none|project|descr|owner|age/) {
6492 die_error(400, "Unknown order parameter");
6493 }
6494
6495 my @list = git_get_projects_list($project_filter, $strict_export);
6496 if (!@list) {
6497 die_error(404, "No projects found");
6498 }
6499
6500 git_header_html();
6501 git_end_subhead_html();
6502 if (defined $home_text && -f $home_text) {
6503 print "<div class=\"index_include\">\n";
6504 insert_file($home_text);
6505 print "</div>\n";
6506 }
6507
6508 git_project_search_form($searchtext, $search_use_regexp);
6509 git_project_list_body(\@list, $order);
6510 git_footer_html();
6511 }
6512
6513 sub git_forks {
6514 my $order = $input_params{'order'};
6515 if (defined $order && $order !~ m/none|project|descr|owner|age/) {
6516 die_error(400, "Unknown order parameter");
6517 }
6518
6519 my $filter = $project;
6520 $filter =~ s/\.git$//;
6521 my @list = git_get_projects_list($filter);
6522 if (!@list) {
6523 die_error(404, "No forks found");
6524 }
6525
6526 git_header_html();
6527 git_print_page_nav('','');
6528 git_print_header_div('summary', "$project forks");
6529 git_project_list_body(\@list, $order);
6530 git_footer_html();
6531 }
6532
6533 sub git_project_index {
6534 my @projects = git_get_projects_list($project_filter, $strict_export);
6535 if (!@projects) {
6536 die_error(404, "No projects found");
6537 }
6538
6539 print $cgi->header(
6540 -type => 'text/plain',
6541 -charset => 'utf-8',
6542 -content_disposition => 'inline; filename="index.aux"');
6543
6544 foreach my $pr (@projects) {
6545 if (!exists $pr->{'owner'}) {
6546 $pr->{'owner'} = git_get_project_owner("$pr->{'path'}");
6547 }
6548
6549 my ($path, $owner) = ($pr->{'path'}, $pr->{'owner'});
6550 # quote as in CGI::Util::encode, but keep the slash, and use '+' for ' '
6551 $path =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
6552 $owner =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
6553 $path =~ s/ /\+/g;
6554 $owner =~ s/ /\+/g;
6555
6556 print "$path $owner\n";
6557 }
6558 }
6559
6560 sub git_summary {
6561 my $descr = git_get_project_description($project) || "none";
6562 my %co = parse_commit("HEAD");
6563 my %cd = %co ? parse_date($co{'committer_epoch'}, $co{'committer_tz'}) : ();
6564 my $head = $co{'id'};
6565 my $remote_heads = gitweb_check_feature('remote_heads');
6566
6567 my $owner = git_get_project_owner($project);
6568
6569 my $refs = git_get_references();
6570 # These get_*_list functions return one more to allow us to see if
6571 # there are more ...
6572 my @taglist = git_get_tags_list(16);
6573 my @headlist = git_get_heads_list(16);
6574 my %remotedata = $remote_heads ? git_get_remotes_list() : ();
6575 my @forklist;
6576 my $check_forks = gitweb_check_feature('forks');
6577
6578 if ($check_forks) {
6579 # find forks of a project
6580 my $filter = $project;
6581 $filter =~ s/\.git$//;
6582 @forklist = git_get_projects_list($filter);
6583 # filter out forks of forks
6584 @forklist = filter_forks_from_projects_list(\@forklist)
6585 if (@forklist);
6586 }
6587
6588 git_header_html();
6589 git_print_page_nav('summary','', $head);
6590
6591 print "<table class=\"projects_list\">\n" .
6592 "<tr id=\"metadata_desc\"><th>description</th><td>" . esc_html($descr) . "</td></tr>\n";
6593 if ($owner and not $omit_owner) {
6594 print "<tr id=\"metadata_owner\"><th>owner</th><td>" . esc_html($owner) . "</td></tr>\n";
6595 }
6596 if (defined $cd{'rfc2822'}) {
6597 print "<tr id=\"metadata_lchange\"><th>last change</th>" .
6598 "<td>".format_timestamp_html(\%cd)."</td></tr>\n";
6599 }
6600
6601 # use per project git URL list in $projectroot/$project/cloneurl
6602 # or make project git URL from git base URL and project name
6603 my $url_tag = "URL";
6604 my @url_list = git_get_project_url_list($project);
6605 @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
6606 foreach my $git_url (@url_list) {
6607 next unless $git_url;
6608 print format_repo_url($url_tag, $git_url);
6609 $url_tag = "";
6610 }
6611
6612 # Tag cloud
6613 my $show_ctags = gitweb_check_feature('ctags');
6614 if ($show_ctags) {
6615 my $ctags = git_get_project_ctags($project);
6616 if (%$ctags) {
6617 # without ability to add tags, don't show if there are none
6618 my $cloud = git_populate_project_tagcloud($ctags);
6619 print "<tr id=\"metadata_ctags\">" .
6620 "<th>content tags</th>" .
6621 "<td>".git_show_project_tagcloud($cloud, 48)."</td>" .
6622 "</tr>\n";
6623 }
6624 }
6625
6626 print "</table>\n";
6627
6628 # If XSS prevention is on, we don't include README.html.
6629 # TODO: Allow a readme in some safe format.
6630 if (!$prevent_xss && -s "$projectroot/$project/README.html") {
6631 print "<div class=\"title\">readme</div>\n" .
6632 "<div class=\"readme\">\n";
6633 insert_file("$projectroot/$project/README.html");
6634 print "\n</div>\n"; # class="readme"
6635 }
6636
6637 # we need to request one more than 16 (0..15) to check if
6638 # those 16 are all
6639 my @commitlist = $head ? parse_commits($head, 17) : ();
6640 if (@commitlist) {
6641 git_print_header_div('shortlog');
6642 git_shortlog_body(\@commitlist, 0, 15, $refs,
6643 $#commitlist <= 15 ? undef :
6644 $cgi->a({-href => href(action=>"shortlog")}, "..."));
6645 }
6646
6647 if (@taglist) {
6648 git_print_header_div('tags');
6649 git_tags_body(\@taglist, 0, 15,
6650 $#taglist <= 15 ? undef :
6651 $cgi->a({-href => href(action=>"tags")}, "..."));
6652 }
6653
6654 if (@headlist) {
6655 git_print_header_div('heads');
6656 git_heads_body(\@headlist, $head, 0, 15,
6657 $#headlist <= 15 ? undef :
6658 $cgi->a({-href => href(action=>"heads")}, "..."));
6659 }
6660
6661 if (%remotedata) {
6662 git_print_header_div('remotes');
6663 git_remotes_body(\%remotedata, 15, $head);
6664 }
6665
6666 if (@forklist) {
6667 git_print_header_div('forks');
6668 git_project_list_body(\@forklist, 'age', 0, 15,
6669 $#forklist <= 15 ? undef :
6670 $cgi->a({-href => href(action=>"forks")}, "..."),
6671 'no_header');
6672 }
6673
6674 git_footer_html();
6675 }
6676
6677 sub git_tag {
6678 my %tag = parse_tag($hash);
6679
6680 if (! %tag) {
6681 die_error(404, "Unknown tag object");
6682 }
6683
6684 my $head = git_get_head_hash($project);
6685 git_header_html();
6686 git_print_page_nav('','', $head,undef,$head);
6687 git_print_header_div('commit', esc_html($tag{'name'}), $hash);
6688 print "<div class=\"title_text\">\n" .
6689 "<table class=\"object_header\">\n" .
6690 "<tr>\n" .
6691 "<th>object</th>\n" .
6692 "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
6693 $tag{'object'}) . "</td>\n" .
6694 "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
6695 $tag{'type'}) . "</td>\n" .
6696 "</tr>\n";
6697 if (defined($tag{'author'})) {
6698 git_print_authorship_rows(\%tag, 'author');
6699 }
6700 print "</table>\n\n" .
6701 "</div>\n";
6702 print "<div class=\"page_body\">";
6703 my $comment = $tag{'comment'};
6704 foreach my $line (@$comment) {
6705 chomp $line;
6706 print esc_html($line, -nbsp=>1) . "<br/>\n";
6707 }
6708 print "</div>\n";
6709 git_footer_html();
6710 }
6711
6712 sub git_blame_common {
6713 my $format = shift || 'porcelain';
6714 if ($format eq 'porcelain' && $input_params{'javascript'}) {
6715 $format = 'incremental';
6716 $action = 'blame_incremental'; # for page title etc
6717 }
6718
6719 # permissions
6720 gitweb_check_feature('blame')
6721 or die_error(403, "Blame view not allowed");
6722
6723 # error checking
6724 die_error(400, "No file name given") unless $file_name;
6725 $hash_base ||= git_get_head_hash($project);
6726 die_error(404, "Couldn't find base commit") unless $hash_base;
6727 my %co = parse_commit($hash_base)
6728 or die_error(404, "Commit not found");
6729 my $ftype = "blob";
6730 if (!defined $hash) {
6731 $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
6732 or die_error(404, "Error looking up file");
6733 } else {
6734 $ftype = git_get_type($hash);
6735 if ($ftype !~ "blob") {
6736 die_error(400, "Object is not a blob");
6737 }
6738 }
6739
6740 my $fd;
6741 if ($format eq 'incremental') {
6742 # get file contents (as base)
6743 open $fd, "-|", git_cmd(), 'cat-file', 'blob', $hash
6744 or die_error(500, "Open git-cat-file failed");
6745 } elsif ($format eq 'data') {
6746 # run git-blame --incremental
6747 open $fd, "-|", git_cmd(), "blame", "--incremental",
6748 $hash_base, "--", $file_name
6749 or die_error(500, "Open git-blame --incremental failed");
6750 } else {
6751 # run git-blame --porcelain
6752 open $fd, "-|", git_cmd(), "blame", '-p',
6753 $hash_base, '--', $file_name
6754 or die_error(500, "Open git-blame --porcelain failed");
6755 }
6756 binmode $fd, ':utf8';
6757
6758 # incremental blame data returns early
6759 if ($format eq 'data') {
6760 print $cgi->header(
6761 -type=>"text/plain", -charset => "utf-8",
6762 -status=> "200 OK");
6763 local $| = 1; # output autoflush
6764 while (my $line = <$fd>) {
6765 print to_utf8($line);
6766 }
6767 close $fd
6768 or print "ERROR $!\n";
6769
6770 print 'END';
6771 if (defined $t0 && gitweb_check_feature('timed')) {
6772 print ' '.
6773 tv_interval($t0, [ gettimeofday() ]).
6774 ' '.$number_of_git_cmds;
6775 }
6776 print "\n";
6777
6778 return;
6779 }
6780
6781 # page header
6782 git_header_html();
6783 my $formats_nav =
6784 $cgi->a({-href => href(action=>"blob", -replay=>1)},
6785 "blob") .
6786 " | ";
6787 if ($format eq 'incremental') {
6788 $formats_nav .=
6789 $cgi->a({-href => href(action=>"blame", javascript=>0, -replay=>1)},
6790 "blame") . " (non-incremental)";
6791 } else {
6792 $formats_nav .=
6793 $cgi->a({-href => href(action=>"blame_incremental", -replay=>1)},
6794 "blame") . " (incremental)";
6795 }
6796 $formats_nav .=
6797 " | " .
6798 $cgi->a({-href => href(action=>"history", -replay=>1)},
6799 "history") .
6800 " | " .
6801 $cgi->a({-href => href(action=>$action, file_name=>$file_name)},
6802 "HEAD");
6803 git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
6804 git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
6805 git_print_page_path($file_name, $ftype, $hash_base);
6806
6807 # page body
6808 if ($format eq 'incremental') {
6809 print "<noscript>\n<div class=\"error\"><center><b>\n".
6810 "This page requires JavaScript to run.\n Use ".
6811 $cgi->a({-href => href(action=>'blame',javascript=>0,-replay=>1)},
6812 'this page').
6813 " instead.\n".
6814 "</b></center></div>\n</noscript>\n";
6815
6816 print qq!<div id="progress_bar" style="width: 100%; background-color: yellow"></div>\n!;
6817 }
6818
6819 print qq!<div class="page_body">\n!;
6820 print qq!<div id="progress_info">... / ...</div>\n!
6821 if ($format eq 'incremental');
6822 print qq!<table id="blame_table" class="blame" width="100%">\n!.
6823 #qq!<col width="5.5em" /><col width="2.5em" /><col width="*" />\n!.
6824 qq!<thead>\n!.
6825 qq!<tr><th>Commit</th><th>Line</th><th>Data</th></tr>\n!.
6826 qq!</thead>\n!.
6827 qq!<tbody>\n!;
6828
6829 my @rev_color = qw(light dark);
6830 my $num_colors = scalar(@rev_color);
6831 my $current_color = 0;
6832
6833 if ($format eq 'incremental') {
6834 my $color_class = $rev_color[$current_color];
6835
6836 #contents of a file
6837 my $linenr = 0;
6838 LINE:
6839 while (my $line = <$fd>) {
6840 chomp $line;
6841 $linenr++;
6842
6843 print qq!<tr id="l$linenr" class="$color_class">!.
6844 qq!<td class="sha1"><a href=""> </a></td>!.
6845 qq!<td class="linenr">!.
6846 qq!<a class="linenr" href="">$linenr</a></td>!;
6847 print qq!<td class="pre">! . esc_html($line) . "</td>\n";
6848 print qq!</tr>\n!;
6849 }
6850
6851 } else { # porcelain, i.e. ordinary blame
6852 my %metainfo = (); # saves information about commits
6853
6854 # blame data
6855 LINE:
6856 while (my $line = <$fd>) {
6857 chomp $line;
6858 # the header: <SHA-1> <src lineno> <dst lineno> [<lines in group>]
6859 # no <lines in group> for subsequent lines in group of lines
6860 my ($full_rev, $orig_lineno, $lineno, $group_size) =
6861 ($line =~ /^($oid_regex) (\d+) (\d+)(?: (\d+))?$/);
6862 if (!exists $metainfo{$full_rev}) {
6863 $metainfo{$full_rev} = { 'nprevious' => 0 };
6864 }
6865 my $meta = $metainfo{$full_rev};
6866 my $data;
6867 while ($data = <$fd>) {
6868 chomp $data;
6869 last if ($data =~ s/^\t//); # contents of line
6870 if ($data =~ /^(\S+)(?: (.*))?$/) {
6871 $meta->{$1} = $2 unless exists $meta->{$1};
6872 }
6873 if ($data =~ /^previous /) {
6874 $meta->{'nprevious'}++;
6875 }
6876 }
6877 my $short_rev = substr($full_rev, 0, 8);
6878 my $author = $meta->{'author'};
6879 my %date =
6880 parse_date($meta->{'author-time'}, $meta->{'author-tz'});
6881 my $date = $date{'iso-tz'};
6882 if ($group_size) {
6883 $current_color = ($current_color + 1) % $num_colors;
6884 }
6885 my $tr_class = $rev_color[$current_color];
6886 $tr_class .= ' boundary' if (exists $meta->{'boundary'});
6887 $tr_class .= ' no-previous' if ($meta->{'nprevious'} == 0);
6888 $tr_class .= ' multiple-previous' if ($meta->{'nprevious'} > 1);
6889 print "<tr id=\"l$lineno\" class=\"$tr_class\">\n";
6890 if ($group_size) {
6891 print "<td class=\"sha1\"";
6892 print " title=\"". esc_html($author) . ", $date\"";
6893 print " rowspan=\"$group_size\"" if ($group_size > 1);
6894 print ">";
6895 print $cgi->a({-href => href(action=>"commit",
6896 hash=>$full_rev,
6897 file_name=>$file_name)},
6898 esc_html($short_rev));
6899 if ($group_size >= 2) {
6900 my @author_initials = ($author =~ /\b([[:upper:]])\B/g);
6901 if (@author_initials) {
6902 print "<br />" .
6903 esc_html(join('', @author_initials));
6904 # or join('.', ...)
6905 }
6906 }
6907 print "</td>\n";
6908 }
6909 # 'previous' <sha1 of parent commit> <filename at commit>
6910 if (exists $meta->{'previous'} &&
6911 $meta->{'previous'} =~ /^($oid_regex) (.*)$/) {
6912 $meta->{'parent'} = $1;
6913 $meta->{'file_parent'} = unquote($2);
6914 }
6915 my $linenr_commit =
6916 exists($meta->{'parent'}) ?
6917 $meta->{'parent'} : $full_rev;
6918 my $linenr_filename =
6919 exists($meta->{'file_parent'}) ?
6920 $meta->{'file_parent'} : unquote($meta->{'filename'});
6921 my $blamed = href(action => 'blame',
6922 file_name => $linenr_filename,
6923 hash_base => $linenr_commit);
6924 print "<td class=\"linenr\">";
6925 print $cgi->a({ -href => "$blamed#l$orig_lineno",
6926 -class => "linenr" },
6927 esc_html($lineno));
6928 print "</td>";
6929 print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
6930 print "</tr>\n";
6931 } # end while
6932
6933 }
6934
6935 # footer
6936 print "</tbody>\n".
6937 "</table>\n"; # class="blame"
6938 print "</div>\n"; # class="blame_body"
6939 close $fd
6940 or print "Reading blob failed\n";
6941
6942 git_footer_html();
6943 }
6944
6945 sub git_blame {
6946 git_blame_common();
6947 }
6948
6949 sub git_blame_incremental {
6950 git_blame_common('incremental');
6951 }
6952
6953 sub git_blame_data {
6954 git_blame_common('data');
6955 }
6956
6957 sub git_tags {
6958 my $head = git_get_head_hash($project);
6959 git_header_html();
6960 git_print_page_nav('','', $head,undef,$head,format_ref_views('tags'));
6961 git_print_header_div('summary', $project);
6962
6963 my @tagslist = git_get_tags_list();
6964 if (@tagslist) {
6965 git_tags_body(\@tagslist);
6966 }
6967 git_footer_html();
6968 }
6969
6970 sub git_heads {
6971 my $head = git_get_head_hash($project);
6972 git_header_html();
6973 git_print_page_nav('','', $head,undef,$head,format_ref_views('heads'));
6974 git_print_header_div('summary', $project);
6975
6976 my @headslist = git_get_heads_list();
6977 if (@headslist) {
6978 git_heads_body(\@headslist, $head);
6979 }
6980 git_footer_html();
6981 }
6982
6983 # used both for single remote view and for list of all the remotes
6984 sub git_remotes {
6985 gitweb_check_feature('remote_heads')
6986 or die_error(403, "Remote heads view is disabled");
6987
6988 my $head = git_get_head_hash($project);
6989 my $remote = $input_params{'hash'};
6990
6991 my $remotedata = git_get_remotes_list($remote);
6992 die_error(500, "Unable to get remote information") unless defined $remotedata;
6993
6994 unless (%$remotedata) {
6995 die_error(404, defined $remote ?
6996 "Remote $remote not found" :
6997 "No remotes found");
6998 }
6999
7000 git_header_html(undef, undef, -action_extra => $remote);
7001 git_print_page_nav('', '', $head, undef, $head,
7002 format_ref_views($remote ? '' : 'remotes'));
7003
7004 fill_remote_heads($remotedata);
7005 if (defined $remote) {
7006 git_print_header_div('remotes', "$remote remote for $project");
7007 git_remote_block($remote, $remotedata->{$remote}, undef, $head);
7008 } else {
7009 git_print_header_div('summary', "$project remotes");
7010 git_remotes_body($remotedata, undef, $head);
7011 }
7012
7013 git_footer_html();
7014 }
7015
7016 sub git_blob_plain {
7017 my $type = shift;
7018 my $expires;
7019
7020 if (!defined $hash) {
7021 if (defined $file_name) {
7022 my $base = $hash_base || git_get_head_hash($project);
7023 $hash = git_get_hash_by_path($base, $file_name, "blob")
7024 or die_error(404, "Cannot find file");
7025 } else {
7026 die_error(400, "No file name defined");
7027 }
7028 } elsif ($hash =~ m/^$oid_regex$/) {
7029 # blobs defined by non-textual hash id's can be cached
7030 $expires = "+1d";
7031 }
7032
7033 open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
7034 or die_error(500, "Open git-cat-file blob '$hash' failed");
7035
7036 # content-type (can include charset)
7037 $type = blob_contenttype($fd, $file_name, $type);
7038
7039 # "save as" filename, even when no $file_name is given
7040 my $save_as = "$hash";
7041 if (defined $file_name) {
7042 $save_as = $file_name;
7043 } elsif ($type =~ m/^text\//) {
7044 $save_as .= '.txt';
7045 }
7046
7047 # With XSS prevention on, blobs of all types except a few known safe
7048 # ones are served with "Content-Disposition: attachment" to make sure
7049 # they don't run in our security domain. For certain image types,
7050 # blob view writes an <img> tag referring to blob_plain view, and we
7051 # want to be sure not to break that by serving the image as an
7052 # attachment (though Firefox 3 doesn't seem to care).
7053 my $sandbox = $prevent_xss &&
7054 $type !~ m!^(?:text/[a-z]+|image/(?:gif|png|jpeg))(?:[ ;]|$)!;
7055
7056 # serve text/* as text/plain
7057 if ($prevent_xss &&
7058 ($type =~ m!^text/[a-z]+\b(.*)$! ||
7059 ($type =~ m!^[a-z]+/[a-z]\+xml\b(.*)$! && -T $fd))) {
7060 my $rest = $1;
7061 $rest = defined $rest ? $rest : '';
7062 $type = "text/plain$rest";
7063 }
7064
7065 print $cgi->header(
7066 -type => $type,
7067 -expires => $expires,
7068 -content_disposition =>
7069 ($sandbox ? 'attachment' : 'inline')
7070 . '; filename="' . $save_as . '"');
7071 local $/ = undef;
7072 local *FCGI::Stream::PRINT = $FCGI_Stream_PRINT_raw;
7073 binmode STDOUT, ':raw';
7074 print <$fd>;
7075 binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
7076 close $fd;
7077 }
7078
7079 sub git_blob {
7080 my $expires;
7081
7082 if (!defined $hash) {
7083 if (defined $file_name) {
7084 my $base = $hash_base || git_get_head_hash($project);
7085 $hash = git_get_hash_by_path($base, $file_name, "blob")
7086 or die_error(404, "Cannot find file");
7087 } else {
7088 die_error(400, "No file name defined");
7089 }
7090 } elsif ($hash =~ m/^$oid_regex$/) {
7091 # blobs defined by non-textual hash id's can be cached
7092 $expires = "+1d";
7093 }
7094
7095 my $have_blame = gitweb_check_feature('blame');
7096 open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
7097 or die_error(500, "Couldn't cat $file_name, $hash");
7098 my $mimetype = blob_mimetype($fd, $file_name);
7099 # use 'blob_plain' (aka 'raw') view for files that cannot be displayed
7100 if ($mimetype !~ m!^(?:text/|image/(?:gif|png|jpeg)$)! && -B $fd) {
7101 close $fd;
7102 return git_blob_plain($mimetype);
7103 }
7104 # we can have blame only for text/* mimetype
7105 $have_blame &&= ($mimetype =~ m!^text/!);
7106
7107 my $highlight = gitweb_check_feature('highlight');
7108 my $syntax = guess_file_syntax($highlight, $file_name);
7109 $fd = run_highlighter($fd, $highlight, $syntax);
7110
7111 git_header_html(undef, $expires);
7112 my $formats_nav = '';
7113 if (defined $hash_base && (my %co = parse_commit($hash_base))) {
7114 if (defined $file_name) {
7115 if ($have_blame) {
7116 $formats_nav .=
7117 $cgi->a({-href => href(action=>"blame", -replay=>1)},
7118 "blame") .
7119 " | ";
7120 }
7121 $formats_nav .=
7122 $cgi->a({-href => href(action=>"history", -replay=>1)},
7123 "history") .
7124 " | " .
7125 $cgi->a({-href => href(action=>"blob_plain", -replay=>1)},
7126 "raw") .
7127 " | " .
7128 $cgi->a({-href => href(action=>"blob",
7129 hash_base=>"HEAD", file_name=>$file_name)},
7130 "HEAD");
7131 } else {
7132 $formats_nav .=
7133 $cgi->a({-href => href(action=>"blob_plain", -replay=>1)},
7134 "raw");
7135 }
7136 git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
7137 git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
7138 } else {
7139 git_end_subhead_html();
7140 print "<div class=\"title\">".esc_html($hash)."</div>\n";
7141 }
7142 git_print_page_path($file_name, "blob", $hash_base);
7143 print "<div class=\"page_body\">\n";
7144 if ($mimetype =~ m!^image/!) {
7145 print qq!<img class="blob" type="!.esc_attr($mimetype).qq!"!;
7146 if ($file_name) {
7147 print qq! alt="!.esc_attr($file_name).qq!" title="!.esc_attr($file_name).qq!"!;
7148 }
7149 print qq! src="! .
7150 esc_attr(href(action=>"blob_plain", hash=>$hash,
7151 hash_base=>$hash_base, file_name=>$file_name)) .
7152 qq!" />\n!;
7153 } else {
7154 my $nr;
7155 while (my $line = <$fd>) {
7156 chomp $line;
7157 $nr++;
7158 $line = untabify($line);
7159 printf qq!<div class="pre"><a id="l%i" href="%s#l%i" class="linenr">%4i </a>%s</div>\n!,
7160 $nr, esc_attr(href(-replay => 1)), $nr, $nr,
7161 $highlight ? sanitize($line) : esc_html($line, -nbsp=>1);
7162 }
7163 }
7164 close $fd
7165 or print "Reading blob failed.\n";
7166 print "</div>";
7167 git_footer_html();
7168 }
7169
7170 sub git_tree {
7171 if (!defined $hash_base) {
7172 $hash_base = "HEAD";
7173 }
7174 if (!defined $hash) {
7175 if (defined $file_name) {
7176 $hash = git_get_hash_by_path($hash_base, $file_name, "tree");
7177 } else {
7178 $hash = $hash_base;
7179 }
7180 }
7181 die_error(404, "No such tree") unless defined($hash);
7182
7183 my $show_sizes = gitweb_check_feature('show-sizes');
7184 my $have_blame = gitweb_check_feature('blame');
7185
7186 my @entries = ();
7187 {
7188 local $/ = "\0";
7189 open my $fd, "-|", git_cmd(), "ls-tree", '-z',
7190 ($show_sizes ? '-l' : ()), @extra_options, $hash
7191 or die_error(500, "Open git-ls-tree failed");
7192 @entries = map { chomp; $_ } <$fd>;
7193 close $fd
7194 or die_error(404, "Reading tree failed");
7195 }
7196
7197 my $refs = git_get_references();
7198 my $ref = format_ref_marker($refs, $hash_base);
7199 git_header_html();
7200 my $basedir = '';
7201 if (defined $hash_base && (my %co = parse_commit($hash_base))) {
7202 my @views_nav = ();
7203 if (defined $file_name) {
7204 push @views_nav,
7205 $cgi->a({-href => href(action=>"history", -replay=>1)},
7206 "history"),
7207 $cgi->a({-href => href(action=>"tree",
7208 hash_base=>"HEAD", file_name=>$file_name)},
7209 "HEAD"),
7210 }
7211 my $snapshot_links = format_snapshot_links($hash);
7212 if (defined $snapshot_links) {
7213 # FIXME: Should be available when we have no hash base as well.
7214 push @views_nav, $snapshot_links;
7215 }
7216 git_print_page_nav('tree','', $hash_base, undef, undef,
7217 join(' | ', @views_nav));
7218 git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
7219 } else {
7220 undef $hash_base;
7221 git_end_subhead_html();
7222 print "<div class=\"title\">".esc_html($hash)."</div>\n";
7223 }
7224 if (defined $file_name) {
7225 $basedir = $file_name;
7226 if ($basedir ne '' && substr($basedir, -1) ne '/') {
7227 $basedir .= '/';
7228 }
7229 git_print_page_path($file_name, 'tree', $hash_base);
7230 }
7231 print "<div class=\"page_body\">\n";
7232 print "<table class=\"tree\">\n";
7233 my $alternate = 1;
7234 # '..' (top directory) link if possible
7235 if (defined $hash_base &&
7236 defined $file_name && $file_name =~ m![^/]+$!) {
7237 if ($alternate) {
7238 print "<tr class=\"dark\">\n";
7239 } else {
7240 print "<tr class=\"light\">\n";
7241 }
7242 $alternate ^= 1;
7243
7244 my $up = $file_name;
7245 $up =~ s!/?[^/]+$!!;
7246 undef $up unless $up;
7247 # based on git_print_tree_entry
7248 print '<td class="mode">' . mode_str('040000') . "</td>\n";
7249 print '<td class="size">&nbsp;</td>'."\n" if $show_sizes;
7250 print '<td class="list">';
7251 print $cgi->a({-href => href(action=>"tree",
7252 hash_base=>$hash_base,
7253 file_name=>$up)},
7254 "..");
7255 print "</td>\n";
7256 print "<td class=\"link\"></td>\n";
7257
7258 print "</tr>\n";
7259 }
7260 foreach my $line (@entries) {
7261 my %t = parse_ls_tree_line($line, -z => 1, -l => $show_sizes);
7262
7263 if ($alternate) {
7264 print "<tr class=\"dark\">\n";
7265 } else {
7266 print "<tr class=\"light\">\n";
7267 }
7268 $alternate ^= 1;
7269
7270 git_print_tree_entry(\%t, $basedir, $hash_base, $have_blame);
7271
7272 print "</tr>\n";
7273 }
7274 print "</table>\n" .
7275 "</div>";
7276 git_footer_html();
7277 }
7278
7279 sub sanitize_for_filename {
7280 my $name = shift;
7281
7282 $name =~ s!/!-!g;
7283 $name =~ s/[^[:alnum:]_.-]//g;
7284
7285 return $name;
7286 }
7287
7288 sub snapshot_name {
7289 my ($project, $hash) = @_;
7290
7291 # path/to/project.git -> project
7292 # path/to/project/.git -> project
7293 my $name = to_utf8($project);
7294 $name =~ s,([^/])/*\.git$,$1,;
7295 $name = sanitize_for_filename(basename($name));
7296
7297 my $ver = $hash;
7298 if ($hash =~ /^[0-9a-fA-F]+$/) {
7299 # shorten SHA-1 hash
7300 my $full_hash = git_get_full_hash($project, $hash);
7301 if ($full_hash =~ /^$hash/ && length($hash) > 7) {
7302 $ver = git_get_short_hash($project, $hash);
7303 }
7304 } elsif ($hash =~ m!^refs/tags/(.*)$!) {
7305 # tags don't need shortened SHA-1 hash
7306 $ver = $1;
7307 } else {
7308 # branches and other need shortened SHA-1 hash
7309 my $strip_refs = join '|', map { quotemeta } get_branch_refs();
7310 if ($hash =~ m!^refs/($strip_refs|remotes)/(.*)$!) {
7311 my $ref_dir = (defined $1) ? $1 : '';
7312 $ver = $2;
7313
7314 $ref_dir = sanitize_for_filename($ref_dir);
7315 # for refs neither in heads nor remotes we want to
7316 # add a ref dir to archive name
7317 if ($ref_dir ne '' and $ref_dir ne 'heads' and $ref_dir ne 'remotes') {
7318 $ver = $ref_dir . '-' . $ver;
7319 }
7320 }
7321 $ver .= '-' . git_get_short_hash($project, $hash);
7322 }
7323 # special case of sanitization for filename - we change
7324 # slashes to dots instead of dashes
7325 # in case of hierarchical branch names
7326 $ver =~ s!/!.!g;
7327 $ver =~ s/[^[:alnum:]_.-]//g;
7328
7329 # name = project-version_string
7330 $name = "$name-$ver";
7331
7332 return wantarray ? ($name, $name) : $name;
7333 }
7334
7335 sub exit_if_unmodified_since {
7336 my ($latest_epoch) = @_;
7337 our $cgi;
7338
7339 my $if_modified = $cgi->http('IF_MODIFIED_SINCE');
7340 if (defined $if_modified) {
7341 my $since;
7342 if (eval { require HTTP::Date; 1; }) {
7343 $since = HTTP::Date::str2time($if_modified);
7344 } elsif (eval { require Time::ParseDate; 1; }) {
7345 $since = Time::ParseDate::parsedate($if_modified, GMT => 1);
7346 }
7347 if (defined $since && $latest_epoch <= $since) {
7348 my %latest_date = parse_date($latest_epoch);
7349 print $cgi->header(
7350 -last_modified => $latest_date{'rfc2822'},
7351 -status => '304 Not Modified');
7352 goto DONE_GITWEB;
7353 }
7354 }
7355 }
7356
7357 sub git_snapshot {
7358 my $format = $input_params{'snapshot_format'};
7359 if (!@snapshot_fmts) {
7360 die_error(403, "Snapshots not allowed");
7361 }
7362 # default to first supported snapshot format
7363 $format ||= $snapshot_fmts[0];
7364 if ($format !~ m/^[a-z0-9]+$/) {
7365 die_error(400, "Invalid snapshot format parameter");
7366 } elsif (!exists($known_snapshot_formats{$format})) {
7367 die_error(400, "Unknown snapshot format");
7368 } elsif ($known_snapshot_formats{$format}{'disabled'}) {
7369 die_error(403, "Snapshot format not allowed");
7370 } elsif (!grep($_ eq $format, @snapshot_fmts)) {
7371 die_error(403, "Unsupported snapshot format");
7372 }
7373
7374 my $type = git_get_type("$hash^{}");
7375 if (!$type) {
7376 die_error(404, 'Object does not exist');
7377 } elsif ($type eq 'blob') {
7378 die_error(400, 'Object is not a tree-ish');
7379 }
7380
7381 my ($name, $prefix) = snapshot_name($project, $hash);
7382 my $filename = "$name$known_snapshot_formats{$format}{'suffix'}";
7383
7384 my %co = parse_commit($hash);
7385 exit_if_unmodified_since($co{'committer_epoch'}) if %co;
7386
7387 my $cmd = quote_command(
7388 git_cmd(), 'archive',
7389 "--format=$known_snapshot_formats{$format}{'format'}",
7390 "--prefix=$prefix/", $hash);
7391 if (exists $known_snapshot_formats{$format}{'compressor'}) {
7392 $cmd .= ' | ' . quote_command(@{$known_snapshot_formats{$format}{'compressor'}});
7393 }
7394
7395 $filename =~ s/(["\\])/\\$1/g;
7396 my %latest_date;
7397 if (%co) {
7398 %latest_date = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
7399 }
7400
7401 print $cgi->header(
7402 -type => $known_snapshot_formats{$format}{'type'},
7403 -content_disposition => 'inline; filename="' . $filename . '"',
7404 %co ? (-last_modified => $latest_date{'rfc2822'}) : (),
7405 -status => '200 OK');
7406
7407 open my $fd, "-|", $cmd
7408 or die_error(500, "Execute git-archive failed");
7409 local *FCGI::Stream::PRINT = $FCGI_Stream_PRINT_raw;
7410 binmode STDOUT, ':raw';
7411 print <$fd>;
7412 binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
7413 close $fd;
7414 }
7415
7416 sub git_log_generic {
7417 my ($fmt_name, $body_subr, $base, $parent, $file_name, $file_hash) = @_;
7418
7419 my $head = git_get_head_hash($project);
7420 if (!defined $base) {
7421 $base = $head;
7422 }
7423 if (!defined $page) {
7424 $page = 0;
7425 }
7426 my $refs = git_get_references();
7427
7428 my $commit_hash = $base;
7429 if (defined $parent) {
7430 $commit_hash = "$parent..$base";
7431 }
7432 my @commitlist =
7433 parse_commits($commit_hash, 101, (100 * $page),
7434 defined $file_name ? ($file_name, "--full-history") : ());
7435
7436 my $ftype;
7437 if (!defined $file_hash && defined $file_name) {
7438 # some commits could have deleted file in question,
7439 # and not have it in tree, but one of them has to have it
7440 for (my $i = 0; $i < @commitlist; $i++) {
7441 $file_hash = git_get_hash_by_path($commitlist[$i]{'id'}, $file_name);
7442 last if defined $file_hash;
7443 }
7444 }
7445 if (defined $file_hash) {
7446 $ftype = git_get_type($file_hash);
7447 }
7448 if (defined $file_name && !defined $ftype) {
7449 die_error(500, "Unknown type of object");
7450 }
7451 my %co;
7452 if (defined $file_name) {
7453 %co = parse_commit($base)
7454 or die_error(404, "Unknown commit object");
7455 }
7456
7457
7458 my $paging_nav = format_paging_nav($fmt_name, $page, $#commitlist >= 100);
7459 my $next_link = '';
7460 if ($#commitlist >= 100) {
7461 $next_link =
7462 $cgi->a({-href => href(-replay=>1, page=>$page+1),
7463 -accesskey => "n", -title => "Alt-n"}, "next");
7464 }
7465 my $patch_max = gitweb_get_feature('patches');
7466 if ($patch_max && !defined $file_name &&
7467 !gitweb_check_feature('email-privacy')) {
7468 if ($patch_max < 0 || @commitlist <= $patch_max) {
7469 $paging_nav .= " &sdot; " .
7470 $cgi->a({-href => href(action=>"patches", -replay=>1)},
7471 "patches");
7472 }
7473 }
7474
7475 git_header_html();
7476 git_print_page_nav($fmt_name,'', $hash,$hash,$hash, $paging_nav);
7477 if (defined $file_name) {
7478 git_print_header_div('commit', esc_html($co{'title'}), $base);
7479 } else {
7480 git_print_header_div('summary', $project)
7481 }
7482 git_print_page_path($file_name, $ftype, $hash_base)
7483 if (defined $file_name);
7484
7485 $body_subr->(\@commitlist, 0, 99, $refs, $next_link,
7486 $file_name, $file_hash, $ftype);
7487
7488 git_footer_html();
7489 }
7490
7491 sub git_log {
7492 git_log_generic('log', \&git_log_body,
7493 $hash, $hash_parent);
7494 }
7495
7496 sub git_commit {
7497 $hash ||= $hash_base || "HEAD";
7498 my %co = parse_commit($hash)
7499 or die_error(404, "Unknown commit object");
7500
7501 my $parent = $co{'parent'};
7502 my $parents = $co{'parents'}; # listref
7503
7504 # we need to prepare $formats_nav before any parameter munging
7505 my $formats_nav;
7506 if (!defined $parent) {
7507 # --root commitdiff
7508 $formats_nav .= '(initial)';
7509 } elsif (@$parents == 1) {
7510 # single parent commit
7511 $formats_nav .=
7512 '(parent: ' .
7513 $cgi->a({-href => href(action=>"commit",
7514 hash=>$parent)},
7515 esc_html(substr($parent, 0, 7))) .
7516 ')';
7517 } else {
7518 # merge commit
7519 $formats_nav .=
7520 '(merge: ' .
7521 join(' ', map {
7522 $cgi->a({-href => href(action=>"commit",
7523 hash=>$_)},
7524 esc_html(substr($_, 0, 7)));
7525 } @$parents ) .
7526 ')';
7527 }
7528 if (gitweb_check_feature('patches') && @$parents <= 1 &&
7529 !gitweb_check_feature('email-privacy')) {
7530 $formats_nav .= " | " .
7531 $cgi->a({-href => href(action=>"patch", -replay=>1)},
7532 "patch");
7533 }
7534
7535 if (!defined $parent) {
7536 $parent = "--root";
7537 }
7538 my @difftree;
7539 open my $fd, "-|", git_cmd(), "diff-tree", '-r', "--no-commit-id",
7540 @diff_opts,
7541 (@$parents <= 1 ? $parent : '-c'),
7542 $hash, "--"
7543 or die_error(500, "Open git-diff-tree failed");
7544 @difftree = map { chomp; $_ } <$fd>;
7545 close $fd or die_error(404, "Reading git-diff-tree failed");
7546
7547 # non-textual hash id's can be cached
7548 my $expires;
7549 if ($hash =~ m/^$oid_regex$/) {
7550 $expires = "+1d";
7551 }
7552 my $refs = git_get_references();
7553 my $ref = format_ref_marker($refs, $co{'id'});
7554
7555 git_header_html(undef, $expires);
7556 git_print_page_nav('commit', '',
7557 $hash, $co{'tree'}, $hash,
7558 $formats_nav);
7559
7560 if (defined $co{'parent'}) {
7561 git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
7562 } else {
7563 git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
7564 }
7565 print "<div class=\"title_text\">\n" .
7566 "<table class=\"object_header\">\n";
7567 git_print_authorship_rows(\%co);
7568 print "<tr><th>commit</th><td class=\"sha1\">$co{'id'}</td></tr>\n";
7569 print "<tr>" .
7570 "<th>tree</th>" .
7571 "<td class=\"sha1\">" .
7572 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
7573 class => "list"}, $co{'tree'}) .
7574 "</td>" .
7575 "<td class=\"link\">" .
7576 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
7577 "tree");
7578 my $snapshot_links = format_snapshot_links($hash);
7579 if (defined $snapshot_links) {
7580 print " | " . $snapshot_links;
7581 }
7582 print "</td>" .
7583 "</tr>\n";
7584
7585 foreach my $par (@$parents) {
7586 print "<tr>" .
7587 "<th>parent</th>" .
7588 "<td class=\"sha1\">" .
7589 $cgi->a({-href => href(action=>"commit", hash=>$par),
7590 class => "list"}, $par) .
7591 "</td>" .
7592 "<td class=\"link\">" .
7593 $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
7594 " | " .
7595 $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "diff") .
7596 "</td>" .
7597 "</tr>\n";
7598 }
7599 print "</table>".
7600 "</div>\n";
7601
7602 print "<div class=\"page_body\">\n";
7603 git_print_log($co{'comment'});
7604 print "</div>\n";
7605
7606 git_difftree_body(\@difftree, $hash, @$parents);
7607
7608 git_footer_html();
7609 }
7610
7611 sub git_object {
7612 # object is defined by:
7613 # - hash or hash_base alone
7614 # - hash_base and file_name
7615 my $type;
7616
7617 # - hash or hash_base alone
7618 if ($hash || ($hash_base && !defined $file_name)) {
7619 my $object_id = $hash || $hash_base;
7620
7621 open my $fd, "-|", quote_command(
7622 git_cmd(), 'cat-file', '-t', $object_id) . ' 2> /dev/null'
7623 or die_error(404, "Object does not exist");
7624 $type = <$fd>;
7625 defined $type && chomp $type;
7626 close $fd
7627 or die_error(404, "Object does not exist");
7628
7629 # - hash_base and file_name
7630 } elsif ($hash_base && defined $file_name) {
7631 $file_name =~ s,/+$,,;
7632
7633 system(git_cmd(), "cat-file", '-e', $hash_base) == 0
7634 or die_error(404, "Base object does not exist");
7635
7636 # here errors should not happen
7637 open my $fd, "-|", git_cmd(), "ls-tree", $hash_base, "--", $file_name
7638 or die_error(500, "Open git-ls-tree failed");
7639 my $line = <$fd>;
7640 close $fd;
7641
7642 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
7643 unless ($line && $line =~ m/^([0-9]+) (.+) ($oid_regex)\t/) {
7644 die_error(404, "File or directory for given base does not exist");
7645 }
7646 $type = $2;
7647 $hash = $3;
7648 } else {
7649 die_error(400, "Not enough information to find object");
7650 }
7651
7652 print $cgi->redirect(-uri => href(action=>$type, -full=>1,
7653 hash=>$hash, hash_base=>$hash_base,
7654 file_name=>$file_name),
7655 -status => '302 Found');
7656 }
7657
7658 sub git_blobdiff {
7659 my $format = shift || 'html';
7660 my $diff_style = $input_params{'diff_style'} || 'inline';
7661
7662 my $fd;
7663 my @difftree;
7664 my %diffinfo;
7665 my $expires;
7666
7667 # preparing $fd and %diffinfo for git_patchset_body
7668 # new style URI
7669 if (defined $hash_base && defined $hash_parent_base) {
7670 if (defined $file_name) {
7671 # read raw output
7672 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7673 $hash_parent_base, $hash_base,
7674 "--", (defined $file_parent ? $file_parent : ()), $file_name
7675 or die_error(500, "Open git-diff-tree failed");
7676 @difftree = map { chomp; $_ } <$fd>;
7677 close $fd
7678 or die_error(404, "Reading git-diff-tree failed");
7679 @difftree
7680 or die_error(404, "Blob diff not found");
7681
7682 } elsif (defined $hash &&
7683 $hash =~ $oid_regex) {
7684 # try to find filename from $hash
7685
7686 # read filtered raw output
7687 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7688 $hash_parent_base, $hash_base, "--"
7689 or die_error(500, "Open git-diff-tree failed");
7690 @difftree =
7691 # ':100644 100644 03b21826... 3b93d5e7... M ls-files.c'
7692 # $hash == to_id
7693 grep { /^:[0-7]{6} [0-7]{6} $oid_regex $hash/ }
7694 map { chomp; $_ } <$fd>;
7695 close $fd
7696 or die_error(404, "Reading git-diff-tree failed");
7697 @difftree
7698 or die_error(404, "Blob diff not found");
7699
7700 } else {
7701 die_error(400, "Missing one of the blob diff parameters");
7702 }
7703
7704 if (@difftree > 1) {
7705 die_error(400, "Ambiguous blob diff specification");
7706 }
7707
7708 %diffinfo = parse_difftree_raw_line($difftree[0]);
7709 $file_parent ||= $diffinfo{'from_file'} || $file_name;
7710 $file_name ||= $diffinfo{'to_file'};
7711
7712 $hash_parent ||= $diffinfo{'from_id'};
7713 $hash ||= $diffinfo{'to_id'};
7714
7715 # non-textual hash id's can be cached
7716 if ($hash_base =~ m/^$oid_regex$/ &&
7717 $hash_parent_base =~ m/^$oid_regex$/) {
7718 $expires = '+1d';
7719 }
7720
7721 # open patch output
7722 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7723 '-p', ($format eq 'html' ? "--full-index" : ()),
7724 $hash_parent_base, $hash_base,
7725 "--", (defined $file_parent ? $file_parent : ()), $file_name
7726 or die_error(500, "Open git-diff-tree failed");
7727 }
7728
7729 # old/legacy style URI -- not generated anymore since 1.4.3.
7730 if (!%diffinfo) {
7731 die_error('404 Not Found', "Missing one of the blob diff parameters")
7732 }
7733
7734 # header
7735 if ($format eq 'html') {
7736 my $formats_nav =
7737 $cgi->a({-href => href(action=>"blobdiff_plain", -replay=>1)},
7738 "raw");
7739 $formats_nav .= diff_style_nav($diff_style);
7740 git_header_html(undef, $expires);
7741 if (defined $hash_base && (my %co = parse_commit($hash_base))) {
7742 git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
7743 git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
7744 } else {
7745 print "<div class=\"page_nav\"><br/>$formats_nav</div>\n";
7746 git_end_subhead_html();
7747 print "<div class=\"title\">".esc_html("$hash vs $hash_parent")."</div>\n";
7748 }
7749 if (defined $file_name) {
7750 git_print_page_path($file_name, "blob", $hash_base);
7751 } else {
7752 print "<div class=\"page_path\"></div>\n";
7753 }
7754
7755 } elsif ($format eq 'plain') {
7756 print $cgi->header(
7757 -type => 'text/plain',
7758 -charset => 'utf-8',
7759 -expires => $expires,
7760 -content_disposition => 'inline; filename="' . "$file_name" . '.patch"');
7761
7762 print "X-Git-Url: " . $cgi->self_url() . "\n\n";
7763
7764 } else {
7765 die_error(400, "Unknown blobdiff format");
7766 }
7767
7768 # patch
7769 if ($format eq 'html') {
7770 print "<div class=\"page_body\">\n";
7771
7772 git_patchset_body($fd, $diff_style,
7773 [ \%diffinfo ], $hash_base, $hash_parent_base);
7774 close $fd;
7775
7776 print "</div>\n"; # class="page_body"
7777 git_footer_html();
7778
7779 } else {
7780 while (my $line = <$fd>) {
7781 $line =~ s!a/($hash|$hash_parent)!'a/'.esc_path($diffinfo{'from_file'})!eg;
7782 $line =~ s!b/($hash|$hash_parent)!'b/'.esc_path($diffinfo{'to_file'})!eg;
7783
7784 print $line;
7785
7786 last if $line =~ m!^\+\+\+!;
7787 }
7788 local $/ = undef;
7789 print <$fd>;
7790 close $fd;
7791 }
7792 }
7793
7794 sub git_blobdiff_plain {
7795 git_blobdiff('plain');
7796 }
7797
7798 # assumes that it is added as later part of already existing navigation,
7799 # so it returns "| foo | bar" rather than just "foo | bar"
7800 sub diff_style_nav {
7801 my ($diff_style, $is_combined) = @_;
7802 $diff_style ||= 'inline';
7803
7804 return "" if ($is_combined);
7805
7806 my @styles = (inline => 'inline', 'sidebyside' => 'side by side');
7807 my %styles = @styles;
7808 @styles =
7809 @styles[ map { $_ * 2 } 0..$#styles/2 ];
7810
7811 return join '',
7812 map { " | ".$_ }
7813 map {
7814 $_ eq $diff_style ? $styles{$_} :
7815 $cgi->a({-href => href(-replay=>1, diff_style => $_)}, $styles{$_})
7816 } @styles;
7817 }
7818
7819 sub git_commitdiff {
7820 my %params = @_;
7821 my $format = $params{-format} || 'html';
7822 my $diff_style = $input_params{'diff_style'} || 'inline';
7823
7824 my ($patch_max) = gitweb_get_feature('patches');
7825 if ($format eq 'patch') {
7826 die_error(403, "Patch view not allowed") unless $patch_max;
7827 }
7828
7829 $hash ||= $hash_base || "HEAD";
7830 my %co = parse_commit($hash)
7831 or die_error(404, "Unknown commit object");
7832
7833 # choose format for commitdiff for merge
7834 if (! defined $hash_parent && @{$co{'parents'}} > 1) {
7835 $hash_parent = '--cc';
7836 }
7837 # we need to prepare $formats_nav before almost any parameter munging
7838 my $formats_nav;
7839 if ($format eq 'html') {
7840 $formats_nav =
7841 $cgi->a({-href => href(action=>"commitdiff_plain", -replay=>1)},
7842 "raw");
7843 if ($patch_max && @{$co{'parents'}} <= 1 &&
7844 !gitweb_check_feature('email-privacy')) {
7845 $formats_nav .= " | " .
7846 $cgi->a({-href => href(action=>"patch", -replay=>1)},
7847 "patch");
7848 }
7849 $formats_nav .= diff_style_nav($diff_style, @{$co{'parents'}} > 1);
7850
7851 if (defined $hash_parent &&
7852 $hash_parent ne '-c' && $hash_parent ne '--cc') {
7853 # commitdiff with two commits given
7854 my $hash_parent_short = $hash_parent;
7855 if ($hash_parent =~ m/^$oid_regex$/) {
7856 $hash_parent_short = substr($hash_parent, 0, 7);
7857 }
7858 $formats_nav .=
7859 ' (from';
7860 for (my $i = 0; $i < @{$co{'parents'}}; $i++) {
7861 if ($co{'parents'}[$i] eq $hash_parent) {
7862 $formats_nav .= ' parent ' . ($i+1);
7863 last;
7864 }
7865 }
7866 $formats_nav .= ': ' .
7867 $cgi->a({-href => href(-replay=>1,
7868 hash=>$hash_parent, hash_base=>undef)},
7869 esc_html($hash_parent_short)) .
7870 ')';
7871 } elsif (!$co{'parent'}) {
7872 # --root commitdiff
7873 $formats_nav .= ' (initial)';
7874 } elsif (scalar @{$co{'parents'}} == 1) {
7875 # single parent commit
7876 $formats_nav .=
7877 ' (parent: ' .
7878 $cgi->a({-href => href(-replay=>1,
7879 hash=>$co{'parent'}, hash_base=>undef)},
7880 esc_html(substr($co{'parent'}, 0, 7))) .
7881 ')';
7882 } else {
7883 # merge commit
7884 if ($hash_parent eq '--cc') {
7885 $formats_nav .= ' | ' .
7886 $cgi->a({-href => href(-replay=>1,
7887 hash=>$hash, hash_parent=>'-c')},
7888 'combined');
7889 } else { # $hash_parent eq '-c'
7890 $formats_nav .= ' | ' .
7891 $cgi->a({-href => href(-replay=>1,
7892 hash=>$hash, hash_parent=>'--cc')},
7893 'compact');
7894 }
7895 $formats_nav .=
7896 ' (merge: ' .
7897 join(' ', map {
7898 $cgi->a({-href => href(-replay=>1,
7899 hash=>$_, hash_base=>undef)},
7900 esc_html(substr($_, 0, 7)));
7901 } @{$co{'parents'}} ) .
7902 ')';
7903 }
7904 }
7905
7906 my $hash_parent_param = $hash_parent;
7907 if (!defined $hash_parent_param) {
7908 # --cc for multiple parents, --root for parentless
7909 $hash_parent_param =
7910 @{$co{'parents'}} > 1 ? '--cc' : $co{'parent'} || '--root';
7911 }
7912
7913 # read commitdiff
7914 my $fd;
7915 my @difftree;
7916 if ($format eq 'html') {
7917 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7918 "--no-commit-id", "--patch-with-raw", "--full-index",
7919 $hash_parent_param, $hash, "--"
7920 or die_error(500, "Open git-diff-tree failed");
7921
7922 while (my $line = <$fd>) {
7923 chomp $line;
7924 # empty line ends raw part of diff-tree output
7925 last unless $line;
7926 push @difftree, scalar parse_difftree_raw_line($line);
7927 }
7928
7929 } elsif ($format eq 'plain') {
7930 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7931 '-p', $hash_parent_param, $hash, "--"
7932 or die_error(500, "Open git-diff-tree failed");
7933 } elsif ($format eq 'patch') {
7934 # For commit ranges, we limit the output to the number of
7935 # patches specified in the 'patches' feature.
7936 # For single commits, we limit the output to a single patch,
7937 # diverging from the git-format-patch default.
7938 my @commit_spec = ();
7939 if ($hash_parent) {
7940 if ($patch_max > 0) {
7941 push @commit_spec, "-$patch_max";
7942 }
7943 push @commit_spec, '-n', "$hash_parent..$hash";
7944 } else {
7945 if ($params{-single}) {
7946 push @commit_spec, '-1';
7947 } else {
7948 if ($patch_max > 0) {
7949 push @commit_spec, "-$patch_max";
7950 }
7951 push @commit_spec, "-n";
7952 }
7953 push @commit_spec, '--root', $hash;
7954 }
7955 open $fd, "-|", git_cmd(), "format-patch", @diff_opts,
7956 '--encoding=utf8', '--stdout', @commit_spec
7957 or die_error(500, "Open git-format-patch failed");
7958 } else {
7959 die_error(400, "Unknown commitdiff format");
7960 }
7961
7962 # non-textual hash id's can be cached
7963 my $expires;
7964 if ($hash =~ m/^$oid_regex$/) {
7965 $expires = "+1d";
7966 }
7967
7968 # write commit message
7969 if ($format eq 'html') {
7970 my $refs = git_get_references();
7971 my $ref = format_ref_marker($refs, $co{'id'});
7972
7973 git_header_html(undef, $expires);
7974 git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
7975 git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
7976 print "<div class=\"title_text\">\n" .
7977 "<table class=\"object_header\">\n";
7978 git_print_authorship_rows(\%co);
7979 print "</table>".
7980 "</div>\n";
7981 print "<div class=\"page_body\">\n";
7982 if (@{$co{'comment'}} > 1) {
7983 print "<div class=\"log\">\n";
7984 git_print_log($co{'comment'}, -remove_title => 1);
7985 print "</div>\n"; # class="log"
7986 }
7987
7988 } elsif ($format eq 'plain') {
7989 my $refs = git_get_references("tags");
7990 my $tagname = git_get_rev_name_tags($hash);
7991 my $filename = basename($project) . "-$hash.patch";
7992
7993 print $cgi->header(
7994 -type => 'text/plain',
7995 -charset => 'utf-8',
7996 -expires => $expires,
7997 -content_disposition => 'inline; filename="' . "$filename" . '"');
7998 my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
7999 print "From: " . to_utf8($co{'author'}) . "\n";
8000 print "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n";
8001 print "Subject: " . to_utf8($co{'title'}) . "\n";
8002
8003 print "X-Git-Tag: $tagname\n" if $tagname;
8004 print "X-Git-Url: " . $cgi->self_url() . "\n\n";
8005
8006 foreach my $line (@{$co{'comment'}}) {
8007 print to_utf8($line) . "\n";
8008 }
8009 print "---\n\n";
8010 } elsif ($format eq 'patch') {
8011 my $filename = basename($project) . "-$hash.patch";
8012
8013 print $cgi->header(
8014 -type => 'text/plain',
8015 -charset => 'utf-8',
8016 -expires => $expires,
8017 -content_disposition => 'inline; filename="' . "$filename" . '"');
8018 }
8019
8020 # write patch
8021 if ($format eq 'html') {
8022 my $use_parents = !defined $hash_parent ||
8023 $hash_parent eq '-c' || $hash_parent eq '--cc';
8024 git_difftree_body(\@difftree, $hash,
8025 $use_parents ? @{$co{'parents'}} : $hash_parent);
8026 print "<br/>\n";
8027
8028 git_patchset_body($fd, $diff_style,
8029 \@difftree, $hash,
8030 $use_parents ? @{$co{'parents'}} : $hash_parent);
8031 close $fd;
8032 print "</div>\n"; # class="page_body"
8033 git_footer_html();
8034
8035 } elsif ($format eq 'plain') {
8036 local $/ = undef;
8037 print <$fd>;
8038 close $fd
8039 or print "Reading git-diff-tree failed\n";
8040 } elsif ($format eq 'patch') {
8041 local $/ = undef;
8042 print <$fd>;
8043 close $fd
8044 or print "Reading git-format-patch failed\n";
8045 }
8046 }
8047
8048 sub git_commitdiff_plain {
8049 git_commitdiff(-format => 'plain');
8050 }
8051
8052 # format-patch-style patches
8053 sub git_patch {
8054 git_commitdiff(-format => 'patch', -single => 1);
8055 }
8056
8057 sub git_patches {
8058 git_commitdiff(-format => 'patch');
8059 }
8060
8061 sub git_history {
8062 git_log_generic('history', \&git_history_body,
8063 $hash_base, $hash_parent_base,
8064 $file_name, $hash);
8065 }
8066
8067 sub git_search {
8068 $searchtype ||= 'commit';
8069
8070 # check if appropriate features are enabled
8071 gitweb_check_feature('search')
8072 or die_error(403, "Search is disabled");
8073 if ($searchtype eq 'pickaxe') {
8074 # pickaxe may take all resources of your box and run for several minutes
8075 # with every query - so decide by yourself how public you make this feature
8076 gitweb_check_feature('pickaxe')
8077 or die_error(403, "Pickaxe search is disabled");
8078 }
8079 if ($searchtype eq 'grep') {
8080 # grep search might be potentially CPU-intensive, too
8081 gitweb_check_feature('grep')
8082 or die_error(403, "Grep search is disabled");
8083 }
8084
8085 if (!defined $searchtext) {
8086 die_error(400, "Text field is empty");
8087 }
8088 if (!defined $hash) {
8089 $hash = git_get_head_hash($project);
8090 }
8091 my %co = parse_commit($hash);
8092 if (!%co) {
8093 die_error(404, "Unknown commit object");
8094 }
8095 if (!defined $page) {
8096 $page = 0;
8097 }
8098
8099 if ($searchtype eq 'commit' ||
8100 $searchtype eq 'author' ||
8101 $searchtype eq 'committer') {
8102 git_search_message(%co);
8103 } elsif ($searchtype eq 'pickaxe') {
8104 git_search_changes(%co);
8105 } elsif ($searchtype eq 'grep') {
8106 git_search_files(%co);
8107 } else {
8108 die_error(400, "Unknown search type");
8109 }
8110 }
8111
8112 sub git_search_help {
8113 git_header_html();
8114 git_print_page_nav('','', $hash,$hash,$hash);
8115 print <<EOT;
8116 <p><strong>Pattern</strong> is by default a normal string that is matched precisely (but without
8117 regard to case, except in the case of pickaxe). However, when you check the <em>re</em> checkbox,
8118 the pattern entered is recognized as the POSIX extended
8119 <a href="https://en.wikipedia.org/wiki/Regular_expression">regular expression</a> (also case
8120 insensitive).</p>
8121 <dl>
8122 <dt><b>commit</b></dt>
8123 <dd>The commit messages and authorship information will be scanned for the given pattern.</dd>
8124 EOT
8125 my $have_grep = gitweb_check_feature('grep');
8126 if ($have_grep) {
8127 print <<EOT;
8128 <dt><b>grep</b></dt>
8129 <dd>All files in the currently selected tree (HEAD unless you are explicitly browsing
8130 a different one) are searched for the given pattern. On large trees, this search can take
8131 a while and put some strain on the server, so please use it with some consideration. Note that
8132 due to git-grep peculiarity, currently if regexp mode is turned off, the matches are
8133 case-sensitive.</dd>
8134 EOT
8135 }
8136 print <<EOT;
8137 <dt><b>author</b></dt>
8138 <dd>Name and e-mail of the change author and date of birth of the patch will be scanned for the given pattern.</dd>
8139 <dt><b>committer</b></dt>
8140 <dd>Name and e-mail of the committer and date of commit will be scanned for the given pattern.</dd>
8141 EOT
8142 my $have_pickaxe = gitweb_check_feature('pickaxe');
8143 if ($have_pickaxe) {
8144 print <<EOT;
8145 <dt><b>pickaxe</b></dt>
8146 <dd>All commits that caused the string to appear or disappear from any file (changes that
8147 added, removed or "modified" the string) will be listed. This search can take a while and
8148 takes a lot of strain on the server, so please use it wisely. Note that since you may be
8149 interested even in changes just changing the case as well, this search is case sensitive.</dd>
8150 EOT
8151 }
8152 print "</dl>\n";
8153 git_footer_html();
8154 }
8155
8156 sub git_shortlog {
8157 git_log_generic('shortlog', \&git_shortlog_body,
8158 $hash, $hash_parent);
8159 }
8160
8161 ## ......................................................................
8162 ## feeds (Atom; OPML)
8163
8164 sub git_feed {
8165 my $format = shift || 'atom';
8166 my $have_blame = gitweb_check_feature('blame');
8167
8168 # Atom: http://www.atomenabled.org/developers/syndication/
8169 if ($format ne 'atom') {
8170 die_error(400, "Unknown web feed format");
8171 }
8172
8173 # log/feed of current (HEAD) branch, log of given branch, history of file/directory
8174 my $head = $hash || 'HEAD';
8175 my @commitlist = parse_commits($head, 150, 0, $file_name);
8176
8177 my %latest_commit;
8178 my %latest_date;
8179 my $content_type = "application/$format+xml";
8180 if (defined $cgi->http('HTTP_ACCEPT') &&
8181 $cgi->Accept('text/xml') > $cgi->Accept($content_type)) {
8182 # browser (feed reader) prefers text/xml
8183 $content_type = 'text/xml';
8184 }
8185 if (defined($commitlist[0])) {
8186 %latest_commit = %{$commitlist[0]};
8187 my $latest_epoch = $latest_commit{'committer_epoch'};
8188 exit_if_unmodified_since($latest_epoch);
8189 %latest_date = parse_date($latest_epoch, $latest_commit{'committer_tz'});
8190 }
8191 print $cgi->header(
8192 -type => $content_type,
8193 -charset => 'utf-8',
8194 %latest_date ? (-last_modified => $latest_date{'rfc2822'}) : (),
8195 -status => '200 OK');
8196
8197 # Optimization: skip generating the body if client asks only
8198 # for Last-Modified date.
8199 return if ($cgi->request_method() eq 'HEAD');
8200
8201 # header variables
8202 my $title = "$site_name - $project/$action";
8203 my $feed_type = 'log';
8204 if (defined $hash) {
8205 $title .= " - '$hash'";
8206 $feed_type = 'branch log';
8207 if (defined $file_name) {
8208 $title .= " :: $file_name";
8209 $feed_type = 'history';
8210 }
8211 } elsif (defined $file_name) {
8212 $title .= " - $file_name";
8213 $feed_type = 'history';
8214 }
8215 $title .= " $feed_type";
8216 $title = esc_html($title);
8217 my $descr = git_get_project_description($project);
8218 if (defined $descr) {
8219 $descr = esc_html($descr);
8220 } else {
8221 $descr = "$project Atom feed";
8222 }
8223 my $owner = git_get_project_owner($project);
8224 $owner = esc_html($owner);
8225
8226 #header
8227 my $alt_url;
8228 if (defined $file_name) {
8229 $alt_url = href(-full=>1, action=>"history", hash=>$hash, file_name=>$file_name);
8230 } elsif (defined $hash) {
8231 $alt_url = href(-full=>1, action=>"log", hash=>$hash);
8232 } else {
8233 $alt_url = href(-full=>1, action=>"summary");
8234 }
8235 $alt_url = esc_attr($alt_url);
8236 print qq!<?xml version="1.0" encoding="utf-8"?>\n!;
8237 print <<XML;
8238 <feed xmlns="http://www.w3.org/2005/Atom">
8239 XML
8240 print "<title>$title</title>\n" .
8241 "<subtitle>$descr</subtitle>\n" .
8242 '<link rel="alternate" type="text/html" href="' .
8243 $alt_url . '" />' . "\n" .
8244 '<link rel="self" type="' . $content_type . '" href="' .
8245 $cgi->self_url() . '" />' . "\n" .
8246 "<id>" . esc_url(href(-full=>1)) . "</id>\n" .
8247 # use project owner for feed author
8248 "<author><name>$owner</name></author>\n";
8249 if (defined $favicon) {
8250 print "<icon>" . esc_url($favicon) . "</icon>\n";
8251 }
8252 if (defined $logo) {
8253 # not twice as wide as tall: 72 x 27 pixels
8254 print "<logo>" . esc_url($logo) . "</logo>\n";
8255 }
8256 if (! %latest_date) {
8257 # dummy date to keep the feed valid until commits trickle in:
8258 print "<updated>1970-01-01T00:00:00Z</updated>\n";
8259 } else {
8260 print "<updated>$latest_date{'iso-8601'}</updated>\n";
8261 }
8262 print "<generator version='$version/$git_version'>gitweb</generator>\n";
8263
8264 # contents
8265 for (my $i = 0; $i <= $#commitlist; $i++) {
8266 my %co = %{$commitlist[$i]};
8267 my $commit = $co{'id'};
8268 # we read 150, we always show 30 and the ones more recent than 48 hours
8269 if (($i >= 20) && ((time - $co{'author_epoch'}) > 48*60*60)) {
8270 last;
8271 }
8272 my %cd = parse_date($co{'author_epoch'}, $co{'author_tz'});
8273
8274 # get list of changed files
8275 open my $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
8276 $co{'parent'} || "--root",
8277 $co{'id'}, "--", (defined $file_name ? $file_name : ())
8278 or next;
8279 my @difftree = map { chomp; $_ } <$fd>;
8280 close $fd
8281 or next;
8282
8283 # print element (entry, item)
8284 my $co_url = href(-full=>1, action=>"commitdiff", hash=>$commit);
8285 print "<entry>\n" .
8286 "<title type=\"html\">" . esc_html($co{'title'}) . "</title>\n" .
8287 "<updated>$cd{'iso-8601'}</updated>\n" .
8288 "<author>\n" .
8289 " <name>" . esc_html($co{'author_name'}) . "</name>\n";
8290 if ($co{'author_email'}) {
8291 print " <email>" . esc_html($co{'author_email'}) . "</email>\n";
8292 }
8293 print "</author>\n" .
8294 # use committer for contributor
8295 "<contributor>\n" .
8296 " <name>" . esc_html($co{'committer_name'}) . "</name>\n";
8297 if ($co{'committer_email'}) {
8298 print " <email>" . esc_html($co{'committer_email'}) . "</email>\n";
8299 }
8300 print "</contributor>\n" .
8301 "<published>$cd{'iso-8601'}</published>\n" .
8302 "<link rel=\"alternate\" type=\"text/html\" href=\"" . esc_attr($co_url) . "\" />\n" .
8303 "<id>" . esc_html($co_url) . "</id>\n" .
8304 "<content type=\"xhtml\" xml:base=\"" . esc_url($my_url) . "\">\n" .
8305 "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n";
8306 my $comment = $co{'comment'};
8307 print "<pre>\n";
8308 foreach my $line (@$comment) {
8309 $line = esc_html($line);
8310 print "$line\n";
8311 }
8312 print "</pre><ul>\n";
8313 foreach my $difftree_line (@difftree) {
8314 my %difftree = parse_difftree_raw_line($difftree_line);
8315 next if !$difftree{'from_id'};
8316
8317 my $file = $difftree{'file'} || $difftree{'to_file'};
8318
8319 print "<li>" .
8320 "[" .
8321 $cgi->a({-href => href(-full=>1, action=>"blobdiff",
8322 hash=>$difftree{'to_id'}, hash_parent=>$difftree{'from_id'},
8323 hash_base=>$co{'id'}, hash_parent_base=>$co{'parent'},
8324 file_name=>$file, file_parent=>$difftree{'from_file'}),
8325 -title => "diff"}, 'D');
8326 if ($have_blame) {
8327 print $cgi->a({-href => href(-full=>1, action=>"blame",
8328 file_name=>$file, hash_base=>$commit),
8329 -title => "blame"}, 'B');
8330 }
8331 # if this is not a feed of a file history
8332 if (!defined $file_name || $file_name ne $file) {
8333 print $cgi->a({-href => href(-full=>1, action=>"history",
8334 file_name=>$file, hash=>$commit),
8335 -title => "history"}, 'H');
8336 }
8337 $file = esc_path($file);
8338 print "] ".
8339 "$file</li>\n";
8340 }
8341 print "</ul>\n</div>\n" .
8342 "</content>\n" .
8343 "</entry>\n";
8344 }
8345
8346 # end of feed
8347 print "</feed>\n";
8348 }
8349
8350 sub git_atom {
8351 git_feed('atom');
8352 }
8353
8354 sub git_opml {
8355 my @list = git_get_projects_list($project_filter, $strict_export);
8356 if (!@list) {
8357 die_error(404, "No projects found");
8358 }
8359
8360 print $cgi->header(
8361 -type => 'text/xml',
8362 -charset => 'utf-8',
8363 -content_disposition => 'inline; filename="opml.xml"');
8364
8365 my $title = esc_html($site_name);
8366 my $filter = " within subdirectory ";
8367 if (defined $project_filter) {
8368 $filter .= esc_html($project_filter);
8369 } else {
8370 $filter = "";
8371 }
8372 print <<XML;
8373 <?xml version="1.0" encoding="utf-8"?>
8374 <opml version="1.0">
8375 <head>
8376 <title>$title OPML Export$filter</title>
8377 </head>
8378 <body>
8379 <outline text="git Atom feeds">
8380 XML
8381
8382 foreach my $pr (@list) {
8383 my %proj = %$pr;
8384 my $head = git_get_head_hash($proj{'path'});
8385 if (!defined $head) {
8386 next;
8387 }
8388 $git_dir = "$projectroot/$proj{'path'}";
8389 my %co = parse_commit($head);
8390 if (!%co) {
8391 next;
8392 }
8393
8394 my $path = esc_html(chop_str($proj{'path'}, 25, 5));
8395 my $atom = esc_attr(href('project' => $proj{'path'}, 'action' => 'atom', -full => 1));
8396 my $html = esc_attr(href('project' => $proj{'path'}, 'action' => 'summary', -full => 1));
8397 print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$atom\" htmlUrl=\"$html\"/>\n";
8398 }
8399 print <<XML;
8400 </outline>
8401 </body>
8402 </opml>
8403 XML
8404 }