Chris Morgan  ›  Git  ›  gitweb  ›  blob
953d1771b6be98740f430bbfd13066d7a3964953
[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 if ($age > 60*60*24*7*2) {
3586 $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
3587 $co{'age_string_age'} = $co{'age_string'};
3588 } else {
3589 $co{'age_string_date'} = $co{'age_string'};
3590 $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
3591 }
3592 return %co;
3593 }
3594
3595 sub parse_commit {
3596 my ($commit_id) = @_;
3597 my %co;
3598
3599 local $/ = "\0";
3600
3601 open my $fd, "-|", git_cmd(), "rev-list",
3602 "--parents",
3603 "--header",
3604 "--max-count=1",
3605 $commit_id,
3606 "--",
3607 or die_error(500, "Open git-rev-list failed");
3608 %co = parse_commit_text(<$fd>, 1);
3609 close $fd;
3610
3611 return %co;
3612 }
3613
3614 sub parse_commits {
3615 my ($commit_id, $maxcount, $skip, $filename, @args) = @_;
3616 my @cos;
3617
3618 $maxcount ||= 1;
3619 $skip ||= 0;
3620
3621 local $/ = "\0";
3622
3623 open my $fd, "-|", git_cmd(), "rev-list",
3624 "--header",
3625 @args,
3626 ("--max-count=" . $maxcount),
3627 ("--skip=" . $skip),
3628 @extra_options,
3629 $commit_id,
3630 "--",
3631 ($filename ? ($filename) : ())
3632 or die_error(500, "Open git-rev-list failed");
3633 while (my $line = <$fd>) {
3634 my %co = parse_commit_text($line);
3635 push @cos, \%co;
3636 }
3637 close $fd;
3638
3639 return wantarray ? @cos : \@cos;
3640 }
3641
3642 # parse line of git-diff-tree "raw" output
3643 sub parse_difftree_raw_line {
3644 my $line = shift;
3645 my %res;
3646
3647 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M ls-files.c'
3648 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M rev-tree.c'
3649 if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ($oid_regex) ($oid_regex) (.)([0-9]{0,3})\t(.*)$/) {
3650 $res{'from_mode'} = $1;
3651 $res{'to_mode'} = $2;
3652 $res{'from_id'} = $3;
3653 $res{'to_id'} = $4;
3654 $res{'status'} = $5;
3655 $res{'similarity'} = $6;
3656 if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
3657 ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
3658 } else {
3659 $res{'from_file'} = $res{'to_file'} = $res{'file'} = unquote($7);
3660 }
3661 }
3662 # '::100755 100755 100755 60e79ca1b01bc8b057abe17ddab484699a7f5fdb 94067cc5f73388f33722d52ae02f44692bc07490 94067cc5f73388f33722d52ae02f44692bc07490 MR git-gui/git-gui.sh'
3663 # combined diff (for merge commit)
3664 elsif ($line =~ s/^(::+)((?:[0-7]{6} )+)((?:$oid_regex )+)([a-zA-Z]+)\t(.*)$//) {
3665 $res{'nparents'} = length($1);
3666 $res{'from_mode'} = [ split(' ', $2) ];
3667 $res{'to_mode'} = pop @{$res{'from_mode'}};
3668 $res{'from_id'} = [ split(' ', $3) ];
3669 $res{'to_id'} = pop @{$res{'from_id'}};
3670 $res{'status'} = [ split('', $4) ];
3671 $res{'to_file'} = unquote($5);
3672 }
3673 # 'c512b523472485aef4fff9e57b229d9d243c967f'
3674 elsif ($line =~ m/^($oid_regex)$/) {
3675 $res{'commit'} = $1;
3676 }
3677
3678 return wantarray ? %res : \%res;
3679 }
3680
3681 # wrapper: return parsed line of git-diff-tree "raw" output
3682 # (the argument might be raw line, or parsed info)
3683 sub parsed_difftree_line {
3684 my $line_or_ref = shift;
3685
3686 if (ref($line_or_ref) eq "HASH") {
3687 # pre-parsed (or generated by hand)
3688 return $line_or_ref;
3689 } else {
3690 return parse_difftree_raw_line($line_or_ref);
3691 }
3692 }
3693
3694 # parse line of git-ls-tree output
3695 sub parse_ls_tree_line {
3696 my $line = shift;
3697 my %opts = @_;
3698 my %res;
3699
3700 if ($opts{'-l'}) {
3701 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa 16717 panic.c'
3702 $line =~ m/^([0-9]+) (.+) ($oid_regex) +(-|[0-9]+)\t(.+)$/s;
3703
3704 $res{'mode'} = $1;
3705 $res{'type'} = $2;
3706 $res{'hash'} = $3;
3707 $res{'size'} = $4;
3708 if ($opts{'-z'}) {
3709 $res{'name'} = $5;
3710 } else {
3711 $res{'name'} = unquote($5);
3712 }
3713 } else {
3714 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
3715 $line =~ m/^([0-9]+) (.+) ($oid_regex)\t(.+)$/s;
3716
3717 $res{'mode'} = $1;
3718 $res{'type'} = $2;
3719 $res{'hash'} = $3;
3720 if ($opts{'-z'}) {
3721 $res{'name'} = $4;
3722 } else {
3723 $res{'name'} = unquote($4);
3724 }
3725 }
3726
3727 return wantarray ? %res : \%res;
3728 }
3729
3730 # generates _two_ hashes, references to which are passed as 2 and 3 argument
3731 sub parse_from_to_diffinfo {
3732 my ($diffinfo, $from, $to, @parents) = @_;
3733
3734 if ($diffinfo->{'nparents'}) {
3735 # combined diff
3736 $from->{'file'} = [];
3737 $from->{'href'} = [];
3738 fill_from_file_info($diffinfo, @parents)
3739 unless exists $diffinfo->{'from_file'};
3740 for (my $i = 0; $i < $diffinfo->{'nparents'}; $i++) {
3741 $from->{'file'}[$i] =
3742 defined $diffinfo->{'from_file'}[$i] ?
3743 $diffinfo->{'from_file'}[$i] :
3744 $diffinfo->{'to_file'};
3745 if ($diffinfo->{'status'}[$i] ne "A") { # not new (added) file
3746 $from->{'href'}[$i] = href(action=>"blob",
3747 hash_base=>$parents[$i],
3748 hash=>$diffinfo->{'from_id'}[$i],
3749 file_name=>$from->{'file'}[$i]);
3750 } else {
3751 $from->{'href'}[$i] = undef;
3752 }
3753 }
3754 } else {
3755 # ordinary (not combined) diff
3756 $from->{'file'} = $diffinfo->{'from_file'};
3757 if ($diffinfo->{'status'} ne "A") { # not new (added) file
3758 $from->{'href'} = href(action=>"blob", hash_base=>$hash_parent,
3759 hash=>$diffinfo->{'from_id'},
3760 file_name=>$from->{'file'});
3761 } else {
3762 delete $from->{'href'};
3763 }
3764 }
3765
3766 $to->{'file'} = $diffinfo->{'to_file'};
3767 if (!is_deleted($diffinfo)) { # file exists in result
3768 $to->{'href'} = href(action=>"blob", hash_base=>$hash,
3769 hash=>$diffinfo->{'to_id'},
3770 file_name=>$to->{'file'});
3771 } else {
3772 delete $to->{'href'};
3773 }
3774 }
3775
3776 ## ......................................................................
3777 ## parse to array of hashes functions
3778
3779 sub git_get_heads_list {
3780 my ($limit, @classes) = @_;
3781 @classes = get_branch_refs() unless @classes;
3782 my @patterns = map { "refs/$_" } @classes;
3783 my @headslist;
3784
3785 open my $fd, '-|', git_cmd(), 'for-each-ref',
3786 ($limit ? '--count='.($limit+1) : ()),
3787 '--sort=-HEAD', '--sort=-committerdate',
3788 '--format=%(objectname) %(refname) %(subject)%00%(committer)',
3789 @patterns
3790 or return;
3791 while (my $line = <$fd>) {
3792 my %ref_item;
3793
3794 chomp $line;
3795 my ($refinfo, $committerinfo) = split(/\0/, $line);
3796 my ($hash, $name, $title) = split(' ', $refinfo, 3);
3797 my ($committer, $epoch, $tz) =
3798 ($committerinfo =~ /^(.*) ([0-9]+) (.*)$/);
3799 $ref_item{'fullname'} = $name;
3800 my $strip_refs = join '|', map { quotemeta } get_branch_refs();
3801 $name =~ s!^refs/($strip_refs|remotes)/!!;
3802 $ref_item{'name'} = $name;
3803 # for refs neither in 'heads' nor 'remotes' we want to
3804 # show their ref dir
3805 my $ref_dir = (defined $1) ? $1 : '';
3806 if ($ref_dir ne '' and $ref_dir ne 'heads' and $ref_dir ne 'remotes') {
3807 $ref_item{'name'} .= ' (' . $ref_dir . ')';
3808 }
3809
3810 $ref_item{'id'} = $hash;
3811 $ref_item{'title'} = $title || '(no commit message)';
3812 $ref_item{'epoch'} = $epoch;
3813 if ($epoch) {
3814 $ref_item{'age'} = age_string(time - $ref_item{'epoch'});
3815 } else {
3816 $ref_item{'age'} = "unknown";
3817 }
3818
3819 push @headslist, \%ref_item;
3820 }
3821 close $fd;
3822
3823 return wantarray ? @headslist : \@headslist;
3824 }
3825
3826 sub git_get_tags_list {
3827 my $limit = shift;
3828 my @tagslist;
3829
3830 open my $fd, '-|', git_cmd(), 'for-each-ref',
3831 ($limit ? '--count='.($limit+1) : ()), '--sort=-creatordate',
3832 '--format=%(objectname) %(objecttype) %(refname) '.
3833 '%(*objectname) %(*objecttype) %(subject)%00%(creator)',
3834 'refs/tags'
3835 or return;
3836 while (my $line = <$fd>) {
3837 my %ref_item;
3838
3839 chomp $line;
3840 my ($refinfo, $creatorinfo) = split(/\0/, $line);
3841 my ($id, $type, $name, $refid, $reftype, $title) = split(' ', $refinfo, 6);
3842 my ($creator, $epoch, $tz) =
3843 ($creatorinfo =~ /^(.*) ([0-9]+) (.*)$/);
3844 $ref_item{'fullname'} = $name;
3845 $name =~ s!^refs/tags/!!;
3846
3847 $ref_item{'type'} = $type;
3848 $ref_item{'id'} = $id;
3849 $ref_item{'name'} = $name;
3850 if ($type eq "tag") {
3851 $ref_item{'subject'} = $title;
3852 $ref_item{'reftype'} = $reftype;
3853 $ref_item{'refid'} = $refid;
3854 } else {
3855 $ref_item{'reftype'} = $type;
3856 $ref_item{'refid'} = $id;
3857 }
3858
3859 if ($type eq "tag" || $type eq "commit") {
3860 $ref_item{'epoch'} = $epoch;
3861 if ($epoch) {
3862 $ref_item{'age'} = age_string(time - $ref_item{'epoch'});
3863 } else {
3864 $ref_item{'age'} = "unknown";
3865 }
3866 }
3867
3868 push @tagslist, \%ref_item;
3869 }
3870 close $fd;
3871
3872 return wantarray ? @tagslist : \@tagslist;
3873 }
3874
3875 ## ----------------------------------------------------------------------
3876 ## filesystem-related functions
3877
3878 sub get_file_owner {
3879 my $path = shift;
3880
3881 my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
3882 my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
3883 if (!defined $gcos) {
3884 return undef;
3885 }
3886 my $owner = $gcos;
3887 $owner =~ s/[,;].*$//;
3888 return to_utf8($owner);
3889 }
3890
3891 # assume that file exists
3892 sub insert_file {
3893 my $filename = shift;
3894
3895 open my $fd, '<', $filename;
3896 print map { to_utf8($_) } <$fd>;
3897 close $fd;
3898 }
3899
3900 ## ......................................................................
3901 ## mimetype related functions
3902
3903 sub mimetype_guess_file {
3904 my $filename = shift;
3905 my $mimemap = shift;
3906 -r $mimemap or return undef;
3907
3908 my %mimemap;
3909 open(my $mh, '<', $mimemap) or return undef;
3910 while (<$mh>) {
3911 next if m/^#/; # skip comments
3912 my ($mimetype, @exts) = split(/\s+/);
3913 foreach my $ext (@exts) {
3914 $mimemap{$ext} = $mimetype;
3915 }
3916 }
3917 close($mh);
3918
3919 $filename =~ /\.([^.]*)$/;
3920 return $mimemap{$1};
3921 }
3922
3923 sub mimetype_guess {
3924 my $filename = shift;
3925 my $mime;
3926 $filename =~ /\./ or return undef;
3927
3928 if ($mimetypes_file) {
3929 my $file = $mimetypes_file;
3930 if ($file !~ m!^/!) { # if it is relative path
3931 # it is relative to project
3932 $file = "$projectroot/$project/$file";
3933 }
3934 $mime = mimetype_guess_file($filename, $file);
3935 }
3936 $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
3937 return $mime;
3938 }
3939
3940 sub blob_mimetype {
3941 my $fd = shift;
3942 my $filename = shift;
3943
3944 if ($filename) {
3945 my $mime = mimetype_guess($filename);
3946 $mime and return $mime;
3947 }
3948
3949 # just in case
3950 return $default_blob_plain_mimetype unless $fd;
3951
3952 if (-T $fd) {
3953 return 'text/plain';
3954 } elsif (! $filename) {
3955 return 'application/octet-stream';
3956 } elsif ($filename =~ m/\.png$/i) {
3957 return 'image/png';
3958 } elsif ($filename =~ m/\.gif$/i) {
3959 return 'image/gif';
3960 } elsif ($filename =~ m/\.jpe?g$/i) {
3961 return 'image/jpeg';
3962 } else {
3963 return 'application/octet-stream';
3964 }
3965 }
3966
3967 sub blob_contenttype {
3968 my ($fd, $file_name, $type) = @_;
3969
3970 $type ||= blob_mimetype($fd, $file_name);
3971 if ($type eq 'text/plain' && defined $default_text_plain_charset) {
3972 $type .= "; charset=$default_text_plain_charset";
3973 }
3974
3975 return $type;
3976 }
3977
3978 # guess file syntax for syntax highlighting; return undef if no highlighting
3979 # the name of syntax can (in the future) depend on syntax highlighter used
3980 sub guess_file_syntax {
3981 my ($highlight, $file_name) = @_;
3982 return undef unless ($highlight && defined $file_name);
3983 my $basename = basename($file_name, '.in');
3984 return $highlight_basename{$basename}
3985 if exists $highlight_basename{$basename};
3986
3987 $basename =~ /\.([^.]*)$/;
3988 my $ext = $1 or return undef;
3989 return $highlight_ext{$ext}
3990 if exists $highlight_ext{$ext};
3991
3992 return undef;
3993 }
3994
3995 # run highlighter and return FD of its output,
3996 # or return original FD if no highlighting
3997 sub run_highlighter {
3998 my ($fd, $highlight, $syntax) = @_;
3999 return $fd unless ($highlight);
4000
4001 close $fd;
4002 my $syntax_arg = (defined $syntax) ? "--syntax $syntax" : "--force";
4003 open $fd, quote_command(git_cmd(), "cat-file", "blob", $hash)." | ".
4004 quote_command($^X, '-CO', '-MEncode=decode,FB_DEFAULT', '-pse',
4005 '$_ = decode($fe, $_, FB_DEFAULT) if !utf8::decode($_);',
4006 '--', "-fe=$fallback_encoding")." | ".
4007 quote_command($highlight_bin).
4008 " --replace-tabs=8 --fragment $syntax_arg |"
4009 or die_error(500, "Couldn't open file or run syntax highlighter");
4010 return $fd;
4011 }
4012
4013 ## ======================================================================
4014 ## functions printing HTML: header, footer, error page
4015
4016 sub get_page_title {
4017 # Formats:
4018 # SITE_NAME
4019 # SITE_NAME - projects in FILTER
4020 # PROJECT - SITE_NAME
4021 # PROJECT ACTION - SITE_NAME
4022 # FILENAME - PROJECT ACTION - SITE_NAME
4023 my $title;
4024 unless (defined $project) {
4025 $title = to_utf8($site_name);
4026 if (defined $project_filter) {
4027 $title .= " - projects in '" . esc_path($project_filter) . "'";
4028 }
4029 return $title;
4030 }
4031 $title = to_utf8($project);
4032
4033 if (defined $action) {
4034 $title .= " $action"; # $action is US-ASCII (7bit ASCII)
4035 if (defined $file_name) {
4036 $title = " - " . $title;
4037 if ($action eq "tree" && $file_name !~ m|/$|) {
4038 $title = "/" . $title;
4039 }
4040 $title = esc_path($file_name) . $title;
4041 }
4042 }
4043
4044 $title .= " - " . to_utf8($site_name);
4045
4046 return $title;
4047 }
4048
4049 sub print_feed_meta {
4050 if (defined $project) {
4051 my %href_params = get_feed_info();
4052 if (!exists $href_params{'-title'}) {
4053 $href_params{'-title'} = 'log';
4054 }
4055
4056 foreach my $format (qw(Atom)) {
4057 my $type = lc($format);
4058 my %link_attr = (
4059 '-rel' => 'alternate',
4060 '-title' => esc_attr("$project - $href_params{'-title'} - $format feed"),
4061 '-type' => "application/$type+xml"
4062 );
4063
4064 $href_params{'extra_options'} = undef;
4065 $href_params{'action'} = $type;
4066 $link_attr{'-href'} = esc_attr(href(%href_params));
4067 print "<link ".
4068 "rel=\"$link_attr{'-rel'}\" ".
4069 "title=\"$link_attr{'-title'}\" ".
4070 "href=\"$link_attr{'-href'}\" ".
4071 "type=\"$link_attr{'-type'}\" ".
4072 "/>\n";
4073
4074 $href_params{'extra_options'} = '--no-merges';
4075 $link_attr{'-href'} = esc_attr(href(%href_params));
4076 $link_attr{'-title'} .= ' (no merges)';
4077 print "<link ".
4078 "rel=\"$link_attr{'-rel'}\" ".
4079 "title=\"$link_attr{'-title'}\" ".
4080 "href=\"$link_attr{'-href'}\" ".
4081 "type=\"$link_attr{'-type'}\" ".
4082 "/>\n";
4083 }
4084
4085 } else {
4086 printf('<link rel="alternate" title="%s projects list" '.
4087 'href="%s" type="text/plain; charset=utf-8" />'."\n",
4088 esc_attr($site_name),
4089 esc_attr(href(project=>undef, action=>"project_index")));
4090 printf('<link rel="alternate" title="%s projects feeds" '.
4091 'href="%s" type="text/x-opml" />'."\n",
4092 esc_attr($site_name),
4093 esc_attr(href(project=>undef, action=>"opml")));
4094 }
4095 }
4096
4097 sub print_header_links {
4098 my $status = shift;
4099
4100 # print out each stylesheet that exist, providing backwards capability
4101 # for those people who defined $stylesheet in a config file
4102 if (defined $stylesheet) {
4103 print '<link rel="stylesheet" href="'.esc_url($stylesheet).'"/>'."\n";
4104 } else {
4105 foreach my $stylesheet (@stylesheets) {
4106 next unless $stylesheet;
4107 print '<link rel="stylesheet" href="'.esc_url($stylesheet).'"/>'."\n";
4108 }
4109 }
4110 print_feed_meta()
4111 if ($status eq '200 OK');
4112 if (defined $favicon) {
4113 print qq(<link rel="icon" href=").esc_url($favicon).qq("/>\n);
4114 }
4115 }
4116
4117 sub print_nav_breadcrumbs_path {
4118 my $dirprefix = undef;
4119 while (my $part = shift) {
4120 $dirprefix .= "/" if defined $dirprefix;
4121 $dirprefix .= $part;
4122 print $cgi->a({-href => href(project => undef,
4123 project_filter => $dirprefix,
4124 action => "project_list")},
4125 esc_html($part)) . " / ";
4126 }
4127 }
4128
4129 sub print_nav_breadcrumbs {
4130 my %opts = @_;
4131
4132 for my $crumb (@extra_breadcrumbs, [ $home_link_str => $home_link ]) {
4133 print $cgi->a({-href => esc_url($crumb->[1])}, $crumb->[0]) . " / ";
4134 }
4135 if (defined $project) {
4136 my @dirname = split '/', $project;
4137 my $projectbasename = pop @dirname;
4138 print_nav_breadcrumbs_path(@dirname);
4139 print $cgi->a({-href => href(action=>"summary")}, esc_html($projectbasename));
4140 if (defined $action) {
4141 my $action_print = $action ;
4142 if (defined $opts{-action_extra}) {
4143 $action_print = $cgi->a({-href => href(action=>$action)},
4144 $action);
4145 }
4146 print " / $action_print";
4147 }
4148 if (defined $opts{-action_extra}) {
4149 print " / $opts{-action_extra}";
4150 }
4151 print "\n";
4152 } elsif (defined $project_filter) {
4153 print_nav_breadcrumbs_path(split '/', $project_filter);
4154 }
4155 }
4156
4157 sub print_search_form {
4158 if (!defined $searchtext) {
4159 $searchtext = "";
4160 }
4161 my $search_hash;
4162 if (defined $hash_base) {
4163 $search_hash = $hash_base;
4164 } elsif (defined $hash) {
4165 $search_hash = $hash;
4166 } else {
4167 $search_hash = "HEAD";
4168 }
4169 my $action = $my_uri;
4170 my $use_pathinfo = gitweb_check_feature('pathinfo');
4171 if ($use_pathinfo) {
4172 $action .= "/".esc_url($project);
4173 }
4174 print $cgi->start_form(-method => "get", -action => $action, -role => "search") .
4175 (!$use_pathinfo &&
4176 $cgi->input({-name=>"p", -value=>$project, -type=>"hidden"}) . "\n") .
4177 $cgi->input({-name=>"a", -value=>"search", -type=>"hidden"}) . "\n" .
4178 $cgi->input({-name=>"h", -value=>$search_hash, -type=>"hidden"}) . "\n" .
4179 $cgi->popup_menu(-name => 'st', -default => 'commit',
4180 -values => ['commit', 'grep', 'author', 'committer', 'pickaxe']) .
4181 " " . $cgi->a({-href => href(action=>"search_help"),
4182 -title => "search help" }, "?") . " search:\n",
4183 $cgi->textfield(-name => "s", -value => $searchtext, -override => 1) . "\n" .
4184 "<span title=\"Extended regular expression\">" .
4185 $cgi->checkbox(-name => 'sr', -value => 1, -label => 're',
4186 -checked => $search_use_regexp) .
4187 "</span>" .
4188 $cgi->end_form() . "\n";
4189 }
4190
4191 sub git_header_html {
4192 my $status = shift || "200 OK";
4193 my $expires = shift;
4194 my %opts = @_;
4195
4196 my $title = get_page_title();
4197 # 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.
4198 # (Various other invalid HTML is produced that HTML would have fixed but XHTML allows to be broken, like table > tr, lacking tbody.)
4199 # TODO: reduce the doctype to <!DOCTYPE html>, but that takes replacing entities like &sdot; with ⋅.
4200 print $cgi->header(-type => 'application/xhtml+xml', -charset => 'utf-8',
4201 -status=> $status, -expires => $expires)
4202 unless ($opts{'-no_http_header'});
4203 print <<EOF;
4204 <?xml version="1.0" encoding="utf-8"?>
4205 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
4206 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-AU" lang="en-AU">
4207 <head>
4208 <meta charset="utf-8"/>
4209 <meta name="robots" content="index, nofollow"/>
4210 <title>$title</title>
4211 EOF
4212 # the stylesheet, favicon etc urls won't work correctly with path_info
4213 # unless we set the appropriate base URL
4214 if ($ENV{'PATH_INFO'}) {
4215 print "<base href=\"".esc_url($base_url)."\"/>\n";
4216 }
4217 print_header_links($status);
4218
4219 if (defined $site_html_head_string) {
4220 print to_utf8($site_html_head_string);
4221 }
4222
4223 if (defined $site_header && -f $site_header) {
4224 insert_file($site_header);
4225 }
4226
4227 print "</head>\n<body>\n<header class=\"page_header\">\n";
4228 if (defined $logo) {
4229 print $cgi->a({-href => esc_url($logo_url),
4230 -title => $logo_label},
4231 $cgi->img({-src => esc_url($logo),
4232 -width => 72, -height => 27,
4233 -alt => "git",
4234 -class => "logo"}));
4235 }
4236 print_nav_breadcrumbs(%opts);
4237 print "</header>\n";
4238
4239 print "<nav class=\"page_subhead\">\n";
4240 }
4241
4242 sub git_end_subhead_html {
4243 my $have_search = gitweb_check_feature('search');
4244 if (defined $project && $have_search) {
4245 print_search_form();
4246 }
4247 print "</nav>\n";
4248 }
4249
4250 sub git_footer_html {
4251 my $feed_class = 'rss_logo';
4252
4253 print "<footer class=\"page_footer\">\n";
4254 if (defined $project) {
4255 my $descr = git_get_project_description($project);
4256 if (defined $descr) {
4257 print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
4258 }
4259
4260 my %href_params = get_feed_info();
4261 if (!%href_params) {
4262 $feed_class .= ' generic';
4263 }
4264 $href_params{'-title'} ||= 'log';
4265
4266 foreach my $format (qw(Atom)) {
4267 $href_params{'action'} = lc($format);
4268 print $cgi->a({-href => href(%href_params),
4269 -title => "$href_params{'-title'} $format feed",
4270 -class => $feed_class}, $format)."\n";
4271 }
4272
4273 } else {
4274 print $cgi->a({-href => href(project=>undef, action=>"opml",
4275 project_filter => $project_filter),
4276 -class => $feed_class}, "OPML") . " ";
4277 print $cgi->a({-href => href(project=>undef, action=>"project_index",
4278 project_filter => $project_filter),
4279 -class => $feed_class}, "TXT") . "\n";
4280 }
4281 print "</footer>\n"; # class="page_footer"
4282
4283 if (defined $t0 && gitweb_check_feature('timed')) {
4284 print "<div id=\"generating_info\">\n";
4285 print 'This page took '.
4286 '<span id="generating_time" class="time_span">'.
4287 tv_interval($t0, [ gettimeofday() ]).
4288 ' seconds </span>'.
4289 ' and '.
4290 '<span id="generating_cmd">'.
4291 $number_of_git_cmds.
4292 '</span> git commands '.
4293 " to generate.\n";
4294 print "</div>\n";
4295 }
4296
4297 if (defined $site_footer && -f $site_footer) {
4298 insert_file($site_footer);
4299 }
4300
4301 if (defined $action &&
4302 $action eq 'blame_incremental') {
4303 print qq!<script src="!.esc_url($javascript).qq!"></script>\n!;
4304 print qq!<script>\n!.
4305 qq!startBlame("!. esc_attr(href(action=>"blame_data", -replay=>1)) .qq!",\n!.
4306 qq! "!. esc_attr(href()) .qq!");\n!.
4307 qq!</script>\n!;
4308 } else {
4309 if (gitweb_check_feature('javascript-actions')) {
4310 print qq!<script src="!.esc_url($javascript).qq!"></script>\n!;
4311 print qq!<script>\n!.
4312 qq!window.onload = function () {\n!;
4313 if (gitweb_check_feature('javascript-actions')) {
4314 print qq! fixLinks();\n!;
4315 }
4316 print qq!};\n!.
4317 qq!</script>\n!;
4318 }
4319 }
4320
4321 print "</body>\n" .
4322 "</html>";
4323 }
4324
4325 # die_error(<http_status_code>, <error_message>[, <detailed_html_description>])
4326 # Example: die_error(404, 'Hash not found')
4327 # By convention, use the following status codes (as defined in RFC 2616):
4328 # 400: Invalid or missing CGI parameters, or
4329 # requested object exists but has wrong type.
4330 # 403: Requested feature (like "pickaxe" or "snapshot") not enabled on
4331 # this server or project.
4332 # 404: Requested object/revision/project doesn't exist.
4333 # 500: The server isn't configured properly, or
4334 # an internal error occurred (e.g. failed assertions caused by bugs), or
4335 # an unknown error occurred (e.g. the git binary died unexpectedly).
4336 # 503: The server is currently unavailable (because it is overloaded,
4337 # or down for maintenance). Generally, this is a temporary state.
4338 sub die_error {
4339 my $status = shift || 500;
4340 my $error = esc_html(shift) || "Internal Server Error";
4341 my $extra = shift;
4342 my %opts = @_;
4343
4344 my %http_responses = (
4345 400 => '400 Bad Request',
4346 403 => '403 Forbidden',
4347 404 => '404 Not Found',
4348 500 => '500 Internal Server Error',
4349 503 => '503 Service Unavailable',
4350 );
4351 git_header_html($http_responses{$status}, undef, %opts);
4352 git_end_subhead_html();
4353 print <<EOF;
4354 <div class="page_body">
4355 <br /><br />
4356 $status - $error
4357 <br />
4358 EOF
4359 if (defined $extra) {
4360 print "<hr />\n" .
4361 "$extra\n";
4362 }
4363 print "</div>\n";
4364
4365 git_footer_html();
4366 goto DONE_GITWEB
4367 unless ($opts{'-error_handler'});
4368 }
4369
4370 ## ----------------------------------------------------------------------
4371 ## functions printing or outputting HTML: navigation
4372
4373 sub git_print_page_nav {
4374 my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
4375
4376 my @navs = qw(summary shortlog log commit commitdiff tree);
4377 if ($suppress) {
4378 @navs = grep { $_ ne $suppress } @navs;
4379 }
4380
4381 my %arg = map { $_ => {action=>$_} } @navs;
4382 if (defined $head) {
4383 for (qw(commit commitdiff)) {
4384 $arg{$_}{'hash'} = $head;
4385 }
4386 if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
4387 for (qw(shortlog log)) {
4388 $arg{$_}{'hash'} = $head;
4389 }
4390 }
4391 }
4392
4393 $arg{'tree'}{'hash'} = $treehead if defined $treehead;
4394 $arg{'tree'}{'hash_base'} = $treebase if defined $treebase;
4395
4396 my @actions = gitweb_get_feature('actions');
4397 my %repl = (
4398 '%' => '%',
4399 'n' => $project, # project name
4400 'f' => $git_dir, # project path within filesystem
4401 'h' => $treehead || '', # current hash ('h' parameter)
4402 'b' => $treebase || '', # hash base ('hb' parameter)
4403 );
4404 while (@actions) {
4405 my ($label, $link, $pos) = splice(@actions,0,3);
4406 # insert
4407 @navs = map { $_ eq $pos ? ($_, $label) : $_ } @navs;
4408 # munch munch
4409 $link =~ s/%([%nfhb])/$repl{$1}/g;
4410 $arg{$label}{'_href'} = $link;
4411 }
4412
4413 print "<div class=\"page_nav\">\n" .
4414 (join " | ",
4415 map { $_ eq $current ?
4416 $cgi->span({-class => "current"}, $_) : $cgi->a({-href => ($arg{$_}{_href} ? $arg{$_}{_href} : href(%{$arg{$_}}))}, "$_")
4417 } @navs);
4418 print "<br/>\n$extra" if defined $extra; # pager or formats
4419 print "</div>\n";
4420 git_end_subhead_html();
4421 }
4422
4423 # returns a submenu for the navigation of the refs views (tags, heads,
4424 # remotes) with the current view disabled and the remotes view only
4425 # available if the feature is enabled
4426 sub format_ref_views {
4427 my ($current) = @_;
4428 my @ref_views = qw{tags heads};
4429 push @ref_views, 'remotes' if gitweb_check_feature('remote_heads');
4430 return join " | ", map {
4431 $_ eq $current ? $_ :
4432 $cgi->a({-href => href(action=>$_)}, $_)
4433 } @ref_views
4434 }
4435
4436 sub format_paging_nav {
4437 my ($action, $page, $has_next_link) = @_;
4438 my $paging_nav;
4439
4440
4441 if ($page > 0) {
4442 $paging_nav .=
4443 $cgi->a({-href => href(-replay=>1, page=>undef)}, "first") .
4444 " &sdot; " .
4445 $cgi->a({-href => href(-replay=>1, page=>$page-1),
4446 -accesskey => "p", -title => "Alt-p"}, "prev");
4447 } else {
4448 $paging_nav .= "first &sdot; prev";
4449 }
4450
4451 if ($has_next_link) {
4452 $paging_nav .= " &sdot; " .
4453 $cgi->a({-href => href(-replay=>1, page=>$page+1),
4454 -accesskey => "n", -title => "Alt-n"}, "next");
4455 } else {
4456 $paging_nav .= " &sdot; next";
4457 }
4458
4459 return $paging_nav;
4460 }
4461
4462 ## ......................................................................
4463 ## functions printing or outputting HTML: div
4464
4465 sub git_print_header_div {
4466 my ($action, $title, $hash, $hash_base) = @_;
4467 my %args = ();
4468
4469 $args{'action'} = $action;
4470 $args{'hash'} = $hash if $hash;
4471 $args{'hash_base'} = $hash_base if $hash_base;
4472
4473 print "<div class=\"header\">\n" .
4474 $cgi->a({-href => href(%args), -class => "title"},
4475 $title ? $title : $action) .
4476 "\n</div>\n";
4477 }
4478
4479 sub format_repo_url {
4480 my ($name, $url) = @_;
4481 return "<tr class=\"metadata_url\"><td>$name</td><td>$url</td></tr>\n";
4482 }
4483
4484 # Group output by placing it in a DIV element and adding a header.
4485 # Options for start_div() can be provided by passing a hash reference as the
4486 # first parameter to the function.
4487 # Options to git_print_header_div() can be provided by passing an array
4488 # reference. This must follow the options to start_div if they are present.
4489 # The content can be a scalar, which is output as-is, a scalar reference, which
4490 # is output after html escaping, an IO handle passed either as *handle or
4491 # *handle{IO}, or a function reference. In the latter case all following
4492 # parameters will be taken as argument to the content function call.
4493 sub git_print_section {
4494 my ($div_args, $header_args, $content);
4495 my $arg = shift;
4496 if (ref($arg) eq 'HASH') {
4497 $div_args = $arg;
4498 $arg = shift;
4499 }
4500 if (ref($arg) eq 'ARRAY') {
4501 $header_args = $arg;
4502 $arg = shift;
4503 }
4504 $content = $arg;
4505
4506 print $cgi->start_div($div_args);
4507 git_print_header_div(@$header_args);
4508
4509 if (ref($content) eq 'CODE') {
4510 $content->(@_);
4511 } elsif (ref($content) eq 'SCALAR') {
4512 print esc_html($$content);
4513 } elsif (ref($content) eq 'GLOB' or ref($content) eq 'IO::Handle') {
4514 print <$content>;
4515 } elsif (!ref($content) && defined($content)) {
4516 print $content;
4517 }
4518
4519 print $cgi->end_div;
4520 }
4521
4522 sub format_timestamp_html {
4523 my $date = shift;
4524
4525 return qq!<time datetime="$date->{'iso-8601'}" title="$date->{'iso-tz'}">$date->{'rfc2822'}</time>!;
4526 }
4527
4528 # Outputs the author name and date in long form
4529 sub git_print_authorship {
4530 my $co = shift;
4531 my %opts = @_;
4532 my $tag = $opts{-tag} || 'div';
4533 my $author = $co->{'author_name'};
4534
4535 my %ad = parse_date($co->{'author_epoch'}, $co->{'author_tz'});
4536 print "<$tag class=\"author_date\">" .
4537 format_search_author($author, "author", esc_html($author)) .
4538 " [".format_timestamp_html(\%ad)."]".
4539 git_get_avatar($co->{'author_email'}, -pad_before => 1) .
4540 "</$tag>\n";
4541 }
4542
4543 # Outputs table rows containing the full author or committer information,
4544 # in the format expected for 'commit' view (& similar).
4545 # Parameters are a commit hash reference, followed by the list of people
4546 # to output information for. If the list is empty it defaults to both
4547 # author and committer.
4548 sub git_print_authorship_rows {
4549 my $co = shift;
4550 # too bad we can't use @people = @_ || ('author', 'committer')
4551 my @people = @_;
4552 @people = ('author', 'committer') unless @people;
4553 foreach my $who (@people) {
4554 my %wd = parse_date($co->{"${who}_epoch"}, $co->{"${who}_tz"});
4555 print "<tr><th>$who</th><td>" .
4556 format_search_author($co->{"${who}_name"}, $who,
4557 esc_html($co->{"${who}_name"})) . " " .
4558 format_search_author($co->{"${who}_email"}, $who,
4559 esc_html("<" . $co->{"${who}_email"} . ">")) .
4560 "</td><td rowspan=\"2\">" .
4561 git_get_avatar($co->{"${who}_email"}, -size => 'double') .
4562 "</td></tr>\n" .
4563 "<tr>" .
4564 "<td></td><td>" .
4565 format_timestamp_html(\%wd) .
4566 "</td>" .
4567 "</tr>\n";
4568 }
4569 }
4570
4571 sub git_print_page_path {
4572 my $name = shift;
4573 my $type = shift;
4574 my $hb = shift;
4575
4576
4577 print "<div class=\"page_path\">";
4578 print $cgi->a({-href => href(action=>"tree", hash_base=>$hb),
4579 -title => 'tree root'}, to_utf8("[$project]"));
4580 print " / ";
4581 if (defined $name) {
4582 my @dirname = split '/', $name;
4583 my $basename = pop @dirname;
4584 my $fullname = '';
4585
4586 foreach my $dir (@dirname) {
4587 $fullname .= ($fullname ? '/' : '') . $dir;
4588 print $cgi->a({-href => href(action=>"tree", file_name=>$fullname,
4589 hash_base=>$hb),
4590 -title => $fullname}, esc_path($dir));
4591 print " / ";
4592 }
4593 if (defined $type && $type eq 'blob') {
4594 print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
4595 hash_base=>$hb),
4596 -title => $name}, esc_path($basename));
4597 } elsif (defined $type && $type eq 'tree') {
4598 print $cgi->a({-href => href(action=>"tree", file_name=>$file_name,
4599 hash_base=>$hb),
4600 -title => $name}, esc_path($basename));
4601 print " / ";
4602 } else {
4603 print esc_path($basename);
4604 }
4605 }
4606 print "<br/></div>\n";
4607 }
4608
4609 sub git_print_log {
4610 my $log = shift;
4611 my %opts = @_;
4612
4613 if ($opts{'-remove_title'}) {
4614 # remove title, i.e. first line of log
4615 shift @$log;
4616 }
4617 # remove leading empty lines
4618 while (defined $log->[0] && $log->[0] eq "") {
4619 shift @$log;
4620 }
4621
4622 # print log
4623 my $skip_blank_line = 0;
4624 foreach my $line (@$log) {
4625 if ($line =~ m/^\s*([A-Z][-A-Za-z]*-([Bb]y|[Tt]o)|C[Cc]|(Clos|Fix)es): /) {
4626 if (! $opts{'-remove_signoff'}) {
4627 print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
4628 $skip_blank_line = 1;
4629 }
4630 next;
4631 }
4632
4633 if ($line =~ m,\s*([a-z]*link): (https?://\S+),i) {
4634 if (! $opts{'-remove_signoff'}) {
4635 print "<span class=\"signoff\">" . esc_html($1) . ": " .
4636 "<a href=\"" . esc_html($2) . "\">" . esc_html($2) . "</a>" .
4637 "</span><br/>\n";
4638 $skip_blank_line = 1;
4639 }
4640 next;
4641 }
4642
4643 # print only one empty line
4644 # do not print empty line after signoff
4645 if ($line eq "") {
4646 next if ($skip_blank_line);
4647 $skip_blank_line = 1;
4648 } else {
4649 $skip_blank_line = 0;
4650 }
4651
4652 print format_log_line_html($line) . "<br/>\n";
4653 }
4654 }
4655
4656 # return link target (what link points to)
4657 sub git_get_link_target {
4658 my $hash = shift;
4659 my $link_target;
4660
4661 # read link
4662 open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
4663 or return;
4664 {
4665 local $/ = undef;
4666 $link_target = <$fd>;
4667 }
4668 close $fd
4669 or return;
4670
4671 return $link_target;
4672 }
4673
4674 # given link target, and the directory (basedir) the link is in,
4675 # return target of link relative to top directory (top tree);
4676 # return undef if it is not possible (including absolute links).
4677 sub normalize_link_target {
4678 my ($link_target, $basedir) = @_;
4679
4680 # absolute symlinks (beginning with '/') cannot be normalized
4681 return if (substr($link_target, 0, 1) eq '/');
4682
4683 # normalize link target to path from top (root) tree (dir)
4684 my $path;
4685 if ($basedir) {
4686 $path = $basedir . '/' . $link_target;
4687 } else {
4688 # we are in top (root) tree (dir)
4689 $path = $link_target;
4690 }
4691
4692 # remove //, /./, and /../
4693 my @path_parts;
4694 foreach my $part (split('/', $path)) {
4695 # discard '.' and ''
4696 next if (!$part || $part eq '.');
4697 # handle '..'
4698 if ($part eq '..') {
4699 if (@path_parts) {
4700 pop @path_parts;
4701 } else {
4702 # link leads outside repository (outside top dir)
4703 return;
4704 }
4705 } else {
4706 push @path_parts, $part;
4707 }
4708 }
4709 $path = join('/', @path_parts);
4710
4711 return $path;
4712 }
4713
4714 # print tree entry (row of git_tree), but without encompassing <tr> element
4715 sub git_print_tree_entry {
4716 my ($t, $basedir, $hash_base, $have_blame) = @_;
4717
4718 my %base_key = ();
4719 $base_key{'hash_base'} = $hash_base if defined $hash_base;
4720
4721 # The format of a table row is: mode list link. Where mode is
4722 # the mode of the entry, list is the name of the entry, an href,
4723 # and link is the action links of the entry.
4724
4725 print "<td class=\"mode\">" . mode_str($t->{'mode'}) . "</td>\n";
4726 if (exists $t->{'size'}) {
4727 print "<td class=\"size\">$t->{'size'}</td>\n";
4728 }
4729 if ($t->{'type'} eq "blob") {
4730 print "<td class=\"list\">" .
4731 $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
4732 file_name=>"$basedir$t->{'name'}", %base_key),
4733 -class => "list"}, esc_path($t->{'name'}));
4734 if (S_ISLNK(oct $t->{'mode'})) {
4735 my $link_target = git_get_link_target($t->{'hash'});
4736 if ($link_target) {
4737 my $norm_target = normalize_link_target($link_target, $basedir);
4738 if (defined $norm_target) {
4739 print " -> " .
4740 $cgi->a({-href => href(action=>"object", hash_base=>$hash_base,
4741 file_name=>$norm_target),
4742 -title => $norm_target}, esc_path($link_target));
4743 } else {
4744 print " -> " . esc_path($link_target);
4745 }
4746 }
4747 }
4748 print "</td>\n";
4749 print "<td class=\"link\">";
4750 print $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
4751 file_name=>"$basedir$t->{'name'}", %base_key)},
4752 "blob");
4753 if ($have_blame) {
4754 print " | " .
4755 $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
4756 file_name=>"$basedir$t->{'name'}", %base_key)},
4757 "blame");
4758 }
4759 if (defined $hash_base) {
4760 print " | " .
4761 $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
4762 hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
4763 "history");
4764 }
4765 print " | " .
4766 $cgi->a({-href => href(action=>"blob_plain", hash_base=>$hash_base,
4767 file_name=>"$basedir$t->{'name'}")},
4768 "raw");
4769 print "</td>\n";
4770
4771 } elsif ($t->{'type'} eq "tree") {
4772 print "<td class=\"list\">";
4773 print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
4774 file_name=>"$basedir$t->{'name'}",
4775 %base_key)},
4776 esc_path($t->{'name'}));
4777 print "</td>\n";
4778 print "<td class=\"link\">";
4779 print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
4780 file_name=>"$basedir$t->{'name'}",
4781 %base_key)},
4782 "tree");
4783 if (defined $hash_base) {
4784 print " | " .
4785 $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
4786 file_name=>"$basedir$t->{'name'}")},
4787 "history");
4788 }
4789 print "</td>\n";
4790 } else {
4791 # unknown object: we can only present history for it
4792 # (this includes 'commit' object, i.e. submodule support)
4793 print "<td class=\"list\">" .
4794 esc_path($t->{'name'}) .
4795 "</td>\n";
4796 print "<td class=\"link\">";
4797 if (defined $hash_base) {
4798 print $cgi->a({-href => href(action=>"history",
4799 hash_base=>$hash_base,
4800 file_name=>"$basedir$t->{'name'}")},
4801 "history");
4802 }
4803 print "</td>\n";
4804 }
4805 }
4806
4807 ## ......................................................................
4808 ## functions printing large fragments of HTML
4809
4810 # get pre-image filenames for merge (combined) diff
4811 sub fill_from_file_info {
4812 my ($diff, @parents) = @_;
4813
4814 $diff->{'from_file'} = [ ];
4815 $diff->{'from_file'}[$diff->{'nparents'} - 1] = undef;
4816 for (my $i = 0; $i < $diff->{'nparents'}; $i++) {
4817 if ($diff->{'status'}[$i] eq 'R' ||
4818 $diff->{'status'}[$i] eq 'C') {
4819 $diff->{'from_file'}[$i] =
4820 git_get_path_by_hash($parents[$i], $diff->{'from_id'}[$i]);
4821 }
4822 }
4823
4824 return $diff;
4825 }
4826
4827 # is current raw difftree line of file deletion
4828 sub is_deleted {
4829 my $diffinfo = shift;
4830
4831 return $diffinfo->{'to_id'} eq ('0' x 40) || $diffinfo->{'to_id'} eq ('0' x 64);
4832 }
4833
4834 # does patch correspond to [previous] difftree raw line
4835 # $diffinfo - hashref of parsed raw diff format
4836 # $patchinfo - hashref of parsed patch diff format
4837 # (the same keys as in $diffinfo)
4838 sub is_patch_split {
4839 my ($diffinfo, $patchinfo) = @_;
4840
4841 return defined $diffinfo && defined $patchinfo
4842 && $diffinfo->{'to_file'} eq $patchinfo->{'to_file'};
4843 }
4844
4845
4846 sub git_difftree_body {
4847 my ($difftree, $hash, @parents) = @_;
4848 my ($parent) = $parents[0];
4849 my $have_blame = gitweb_check_feature('blame');
4850 print "<div class=\"list_head\">\n";
4851 if ($#{$difftree} > 10) {
4852 print(($#{$difftree} + 1) . " files changed:\n");
4853 }
4854 print "</div>\n";
4855
4856 print "<table class=\"" .
4857 (@parents > 1 ? "combined " : "") .
4858 "diff_tree\">\n";
4859
4860 # header only for combined diff in 'commitdiff' view
4861 my $has_header = @$difftree && @parents > 1 && $action eq 'commitdiff';
4862 if ($has_header) {
4863 # table header
4864 print "<thead><tr>\n" .
4865 "<th></th><th></th>\n"; # filename, patchN link
4866 for (my $i = 0; $i < @parents; $i++) {
4867 my $par = $parents[$i];
4868 print "<th>" .
4869 $cgi->a({-href => href(action=>"commitdiff",
4870 hash=>$hash, hash_parent=>$par),
4871 -title => 'commitdiff to parent number ' .
4872 ($i+1) . ': ' . substr($par,0,7)},
4873 $i+1) .
4874 "&nbsp;</th>\n";
4875 }
4876 print "</tr></thead>\n<tbody>\n";
4877 }
4878
4879 my $alternate = 1;
4880 my $patchno = 0;
4881 foreach my $line (@{$difftree}) {
4882 my $diff = parsed_difftree_line($line);
4883
4884 if ($alternate) {
4885 print "<tr class=\"dark\">\n";
4886 } else {
4887 print "<tr class=\"light\">\n";
4888 }
4889 $alternate ^= 1;
4890
4891 if (exists $diff->{'nparents'}) { # combined diff
4892
4893 fill_from_file_info($diff, @parents)
4894 unless exists $diff->{'from_file'};
4895
4896 if (!is_deleted($diff)) {
4897 # file exists in the result (child) commit
4898 print "<td>" .
4899 $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
4900 file_name=>$diff->{'to_file'},
4901 hash_base=>$hash),
4902 -class => "list"}, esc_path($diff->{'to_file'})) .
4903 "</td>\n";
4904 } else {
4905 print "<td>" .
4906 esc_path($diff->{'to_file'}) .
4907 "</td>\n";
4908 }
4909
4910 if ($action eq 'commitdiff') {
4911 # link to patch
4912 $patchno++;
4913 print "<td class=\"link\">" .
4914 $cgi->a({-href => href(-anchor=>"patch$patchno")},
4915 "patch") .
4916 " | " .
4917 "</td>\n";
4918 }
4919
4920 my $has_history = 0;
4921 my $not_deleted = 0;
4922 for (my $i = 0; $i < $diff->{'nparents'}; $i++) {
4923 my $hash_parent = $parents[$i];
4924 my $from_hash = $diff->{'from_id'}[$i];
4925 my $from_path = $diff->{'from_file'}[$i];
4926 my $status = $diff->{'status'}[$i];
4927
4928 $has_history ||= ($status ne 'A');
4929 $not_deleted ||= ($status ne 'D');
4930
4931 if ($status eq 'A') {
4932 print "<td class=\"link\" align=\"right\"> | </td>\n";
4933 } elsif ($status eq 'D') {
4934 print "<td class=\"link\">" .
4935 $cgi->a({-href => href(action=>"blob",
4936 hash_base=>$hash,
4937 hash=>$from_hash,
4938 file_name=>$from_path)},
4939 "blob" . ($i+1)) .
4940 " | </td>\n";
4941 } else {
4942 if ($diff->{'to_id'} eq $from_hash) {
4943 print "<td class=\"link nochange\">";
4944 } else {
4945 print "<td class=\"link\">";
4946 }
4947 print $cgi->a({-href => href(action=>"blobdiff",
4948 hash=>$diff->{'to_id'},
4949 hash_parent=>$from_hash,
4950 hash_base=>$hash,
4951 hash_parent_base=>$hash_parent,
4952 file_name=>$diff->{'to_file'},
4953 file_parent=>$from_path)},
4954 "diff" . ($i+1)) .
4955 " | </td>\n";
4956 }
4957 }
4958
4959 print "<td class=\"link\">";
4960 if ($not_deleted) {
4961 print $cgi->a({-href => href(action=>"blob",
4962 hash=>$diff->{'to_id'},
4963 file_name=>$diff->{'to_file'},
4964 hash_base=>$hash)},
4965 "blob");
4966 print " | " if ($has_history);
4967 }
4968 if ($has_history) {
4969 print $cgi->a({-href => href(action=>"history",
4970 file_name=>$diff->{'to_file'},
4971 hash_base=>$hash)},
4972 "history");
4973 }
4974 print "</td>\n";
4975
4976 print "</tr>\n";
4977 next; # instead of 'else' clause, to avoid extra indent
4978 }
4979 # else ordinary diff
4980
4981 my ($to_mode_oct, $to_mode_str, $to_file_type);
4982 my ($from_mode_oct, $from_mode_str, $from_file_type);
4983 if ($diff->{'to_mode'} ne ('0' x 6)) {
4984 $to_mode_oct = oct $diff->{'to_mode'};
4985 if (S_ISREG($to_mode_oct)) { # only for regular file
4986 $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
4987 }
4988 $to_file_type = file_type($diff->{'to_mode'});
4989 }
4990 if ($diff->{'from_mode'} ne ('0' x 6)) {
4991 $from_mode_oct = oct $diff->{'from_mode'};
4992 if (S_ISREG($from_mode_oct)) { # only for regular file
4993 $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
4994 }
4995 $from_file_type = file_type($diff->{'from_mode'});
4996 }
4997
4998 if ($diff->{'status'} eq "A") { # created
4999 my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
5000 $mode_chng .= " with mode: $to_mode_str" if $to_mode_str;
5001 $mode_chng .= "]</span>";
5002 print "<td>";
5003 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5004 hash_base=>$hash, file_name=>$diff->{'file'}),
5005 -class => "list"}, esc_path($diff->{'file'}));
5006 print "</td>\n";
5007 print "<td>$mode_chng</td>\n";
5008 print "<td class=\"link\">";
5009 if ($action eq 'commitdiff') {
5010 # link to patch
5011 $patchno++;
5012 print $cgi->a({-href => href(-anchor=>"patch$patchno")},
5013 "patch") .
5014 " | ";
5015 }
5016 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5017 hash_base=>$hash, file_name=>$diff->{'file'})},
5018 "blob");
5019 print "</td>\n";
5020
5021 } elsif ($diff->{'status'} eq "D") { # deleted
5022 my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
5023 print "<td>";
5024 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'},
5025 hash_base=>$parent, file_name=>$diff->{'file'}),
5026 -class => "list"}, esc_path($diff->{'file'}));
5027 print "</td>\n";
5028 print "<td>$mode_chng</td>\n";
5029 print "<td class=\"link\">";
5030 if ($action eq 'commitdiff') {
5031 # link to patch
5032 $patchno++;
5033 print $cgi->a({-href => href(-anchor=>"patch$patchno")},
5034 "patch") .
5035 " | ";
5036 }
5037 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'from_id'},
5038 hash_base=>$parent, file_name=>$diff->{'file'})},
5039 "blob") . " | ";
5040 if ($have_blame) {
5041 print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
5042 file_name=>$diff->{'file'})},
5043 "blame") . " | ";
5044 }
5045 print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
5046 file_name=>$diff->{'file'})},
5047 "history");
5048 print "</td>\n";
5049
5050 } elsif ($diff->{'status'} eq "M" || $diff->{'status'} eq "T") { # modified, or type changed
5051 my $mode_chnge = "";
5052 if ($diff->{'from_mode'} != $diff->{'to_mode'}) {
5053 $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
5054 if ($from_file_type ne $to_file_type) {
5055 $mode_chnge .= " from $from_file_type to $to_file_type";
5056 }
5057 if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
5058 if ($from_mode_str && $to_mode_str) {
5059 $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
5060 } elsif ($to_mode_str) {
5061 $mode_chnge .= " mode: $to_mode_str";
5062 }
5063 }
5064 $mode_chnge .= "]</span>\n";
5065 }
5066 print "<td>";
5067 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5068 hash_base=>$hash, file_name=>$diff->{'file'}),
5069 -class => "list"}, esc_path($diff->{'file'}));
5070 print "</td>\n";
5071 print "<td>$mode_chnge</td>\n";
5072 print "<td class=\"link\">";
5073 if ($action eq 'commitdiff') {
5074 # link to patch
5075 $patchno++;
5076 print $cgi->a({-href => href(-anchor=>"patch$patchno")},
5077 "patch") .
5078 " | ";
5079 } elsif ($diff->{'to_id'} ne $diff->{'from_id'}) {
5080 # "commit" view and modified file (not onlu mode changed)
5081 print $cgi->a({-href => href(action=>"blobdiff",
5082 hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'},
5083 hash_base=>$hash, hash_parent_base=>$parent,
5084 file_name=>$diff->{'file'})},
5085 "diff") .
5086 " | ";
5087 }
5088 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5089 hash_base=>$hash, file_name=>$diff->{'file'})},
5090 "blob") . " | ";
5091 if ($have_blame) {
5092 print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
5093 file_name=>$diff->{'file'})},
5094 "blame") . " | ";
5095 }
5096 print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
5097 file_name=>$diff->{'file'})},
5098 "history");
5099 print "</td>\n";
5100
5101 } elsif ($diff->{'status'} eq "R" || $diff->{'status'} eq "C") { # renamed or copied
5102 my %status_name = ('R' => 'moved', 'C' => 'copied');
5103 my $nstatus = $status_name{$diff->{'status'}};
5104 my $mode_chng = "";
5105 if ($diff->{'from_mode'} != $diff->{'to_mode'}) {
5106 # mode also for directories, so we cannot use $to_mode_str
5107 $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
5108 }
5109 print "<td>" .
5110 $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
5111 hash=>$diff->{'to_id'}, file_name=>$diff->{'to_file'}),
5112 -class => "list"}, esc_path($diff->{'to_file'})) . "</td>\n" .
5113 "<td><span class=\"file_status $nstatus\">[$nstatus from " .
5114 $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
5115 hash=>$diff->{'from_id'}, file_name=>$diff->{'from_file'}),
5116 -class => "list"}, esc_path($diff->{'from_file'})) .
5117 " with " . (int $diff->{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
5118 "<td class=\"link\">";
5119 if ($action eq 'commitdiff') {
5120 # link to patch
5121 $patchno++;
5122 print $cgi->a({-href => href(-anchor=>"patch$patchno")},
5123 "patch") .
5124 " | ";
5125 } elsif ($diff->{'to_id'} ne $diff->{'from_id'}) {
5126 # "commit" view and modified file (not only pure rename or copy)
5127 print $cgi->a({-href => href(action=>"blobdiff",
5128 hash=>$diff->{'to_id'}, hash_parent=>$diff->{'from_id'},
5129 hash_base=>$hash, hash_parent_base=>$parent,
5130 file_name=>$diff->{'to_file'}, file_parent=>$diff->{'from_file'})},
5131 "diff") .
5132 " | ";
5133 }
5134 print $cgi->a({-href => href(action=>"blob", hash=>$diff->{'to_id'},
5135 hash_base=>$parent, file_name=>$diff->{'to_file'})},
5136 "blob") . " | ";
5137 if ($have_blame) {
5138 print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
5139 file_name=>$diff->{'to_file'})},
5140 "blame") . " | ";
5141 }
5142 print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
5143 file_name=>$diff->{'to_file'})},
5144 "history");
5145 print "</td>\n";
5146
5147 } # we should not encounter Unmerged (U) or Unknown (X) status
5148 print "</tr>\n";
5149 }
5150 print "</tbody>" if $has_header;
5151 print "</table>\n";
5152 }
5153
5154 # Print context lines and then rem/add lines in a side-by-side manner.
5155 sub print_sidebyside_diff_lines {
5156 my ($ctx, $rem, $add) = @_;
5157
5158 # print context block before add/rem block
5159 if (@$ctx) {
5160 print join '',
5161 '<div class="chunk_block ctx">',
5162 '<div class="old">',
5163 @$ctx,
5164 '</div>',
5165 '<div class="new">',
5166 @$ctx,
5167 '</div>',
5168 '</div>';
5169 }
5170
5171 if (!@$add) {
5172 # pure removal
5173 print join '',
5174 '<div class="chunk_block rem">',
5175 '<div class="old">',
5176 @$rem,
5177 '</div>',
5178 '</div>';
5179 } elsif (!@$rem) {
5180 # pure addition
5181 print join '',
5182 '<div class="chunk_block add">',
5183 '<div class="new">',
5184 @$add,
5185 '</div>',
5186 '</div>';
5187 } else {
5188 print join '',
5189 '<div class="chunk_block chg">',
5190 '<div class="old">',
5191 @$rem,
5192 '</div>',
5193 '<div class="new">',
5194 @$add,
5195 '</div>',
5196 '</div>';
5197 }
5198 }
5199
5200 # Print context lines and then rem/add lines in inline manner.
5201 sub print_inline_diff_lines {
5202 my ($ctx, $rem, $add) = @_;
5203
5204 print @$ctx, @$rem, @$add;
5205 }
5206
5207 # Format removed and added line, mark changed part and HTML-format them.
5208 # Implementation is based on contrib/diff-highlight
5209 sub format_rem_add_lines_pair {
5210 my ($rem, $add, $num_parents) = @_;
5211
5212 # We need to untabify lines before split()'ing them;
5213 # otherwise offsets would be invalid.
5214 chomp $rem;
5215 chomp $add;
5216 $rem = untabify($rem);
5217 $add = untabify($add);
5218
5219 my @rem = split(//, $rem);
5220 my @add = split(//, $add);
5221 my ($esc_rem, $esc_add);
5222 # Ignore leading +/- characters for each parent.
5223 my ($prefix_len, $suffix_len) = ($num_parents, 0);
5224 my ($prefix_has_nonspace, $suffix_has_nonspace);
5225
5226 my $shorter = (@rem < @add) ? @rem : @add;
5227 while ($prefix_len < $shorter) {
5228 last if ($rem[$prefix_len] ne $add[$prefix_len]);
5229
5230 $prefix_has_nonspace = 1 if ($rem[$prefix_len] !~ /\s/);
5231 $prefix_len++;
5232 }
5233
5234 while ($prefix_len + $suffix_len < $shorter) {
5235 last if ($rem[-1 - $suffix_len] ne $add[-1 - $suffix_len]);
5236
5237 $suffix_has_nonspace = 1 if ($rem[-1 - $suffix_len] !~ /\s/);
5238 $suffix_len++;
5239 }
5240
5241 # Mark lines that are different from each other, but have some common
5242 # part that isn't whitespace. If lines are completely different, don't
5243 # mark them because that would make output unreadable, especially if
5244 # diff consists of multiple lines.
5245 if ($prefix_has_nonspace || $suffix_has_nonspace) {
5246 $esc_rem = esc_html_hl_regions($rem, 'marked',
5247 [$prefix_len, @rem - $suffix_len], -nbsp=>1);
5248 $esc_add = esc_html_hl_regions($add, 'marked',
5249 [$prefix_len, @add - $suffix_len], -nbsp=>1);
5250 } else {
5251 $esc_rem = esc_html($rem, -nbsp=>1);
5252 $esc_add = esc_html($add, -nbsp=>1);
5253 }
5254
5255 return format_diff_line(\$esc_rem, 'rem'),
5256 format_diff_line(\$esc_add, 'add');
5257 }
5258
5259 # HTML-format diff context, removed and added lines.
5260 sub format_ctx_rem_add_lines {
5261 my ($ctx, $rem, $add, $num_parents) = @_;
5262 my (@new_ctx, @new_rem, @new_add);
5263 my $can_highlight = 0;
5264 my $is_combined = ($num_parents > 1);
5265
5266 # Highlight if every removed line has a corresponding added line.
5267 if (@$add > 0 && @$add == @$rem) {
5268 $can_highlight = 1;
5269
5270 # Highlight lines in combined diff only if the chunk contains
5271 # diff between the same version, e.g.
5272 #
5273 # - a
5274 # - b
5275 # + c
5276 # + d
5277 #
5278 # Otherwise the highlighting would be confusing.
5279 if ($is_combined) {
5280 for (my $i = 0; $i < @$add; $i++) {
5281 my $prefix_rem = substr($rem->[$i], 0, $num_parents);
5282 my $prefix_add = substr($add->[$i], 0, $num_parents);
5283
5284 $prefix_rem =~ s/-/+/g;
5285
5286 if ($prefix_rem ne $prefix_add) {
5287 $can_highlight = 0;
5288 last;
5289 }
5290 }
5291 }
5292 }
5293
5294 if ($can_highlight) {
5295 for (my $i = 0; $i < @$add; $i++) {
5296 my ($line_rem, $line_add) = format_rem_add_lines_pair(
5297 $rem->[$i], $add->[$i], $num_parents);
5298 push @new_rem, $line_rem;
5299 push @new_add, $line_add;
5300 }
5301 } else {
5302 @new_rem = map { format_diff_line($_, 'rem') } @$rem;
5303 @new_add = map { format_diff_line($_, 'add') } @$add;
5304 }
5305
5306 @new_ctx = map { format_diff_line($_, 'ctx') } @$ctx;
5307
5308 return (\@new_ctx, \@new_rem, \@new_add);
5309 }
5310
5311 # Print context lines and then rem/add lines.
5312 sub print_diff_lines {
5313 my ($ctx, $rem, $add, $diff_style, $num_parents) = @_;
5314 my $is_combined = $num_parents > 1;
5315
5316 ($ctx, $rem, $add) = format_ctx_rem_add_lines($ctx, $rem, $add,
5317 $num_parents);
5318
5319 if ($diff_style eq 'sidebyside' && !$is_combined) {
5320 print_sidebyside_diff_lines($ctx, $rem, $add);
5321 } else {
5322 # default 'inline' style and unknown styles
5323 print_inline_diff_lines($ctx, $rem, $add);
5324 }
5325 }
5326
5327 sub print_diff_chunk {
5328 my ($diff_style, $num_parents, $from, $to, @chunk) = @_;
5329 my (@ctx, @rem, @add);
5330
5331 # The class of the previous line.
5332 my $prev_class = '';
5333
5334 return unless @chunk;
5335
5336 # incomplete last line might be among removed or added lines,
5337 # or both, or among context lines: find which
5338 for (my $i = 1; $i < @chunk; $i++) {
5339 if ($chunk[$i][0] eq 'incomplete') {
5340 $chunk[$i][0] = $chunk[$i-1][0];
5341 }
5342 }
5343
5344 # guardian
5345 push @chunk, ["", ""];
5346
5347 foreach my $line_info (@chunk) {
5348 my ($class, $line) = @$line_info;
5349
5350 # print chunk headers
5351 if ($class && $class eq 'chunk_header') {
5352 print format_diff_line($line, $class, $from, $to);
5353 next;
5354 }
5355
5356 ## print from accumulator when have some add/rem lines or end
5357 # of chunk (flush context lines), or when have add and rem
5358 # lines and new block is reached (otherwise add/rem lines could
5359 # be reordered)
5360 if (!$class || ((@rem || @add) && $class eq 'ctx') ||
5361 (@rem && @add && $class ne $prev_class)) {
5362 print_diff_lines(\@ctx, \@rem, \@add,
5363 $diff_style, $num_parents);
5364 @ctx = @rem = @add = ();
5365 }
5366
5367 ## adding lines to accumulator
5368 # guardian value
5369 last unless $line;
5370 # rem, add or change
5371 if ($class eq 'rem') {
5372 push @rem, $line;
5373 } elsif ($class eq 'add') {
5374 push @add, $line;
5375 }
5376 # context line
5377 if ($class eq 'ctx') {
5378 push @ctx, $line;
5379 }
5380
5381 $prev_class = $class;
5382 }
5383 }
5384
5385 sub git_patchset_body {
5386 my ($fd, $diff_style, $difftree, $hash, @hash_parents) = @_;
5387 my ($hash_parent) = $hash_parents[0];
5388
5389 my $is_combined = (@hash_parents > 1);
5390 my $patch_idx = 0;
5391 my $patch_number = 0;
5392 my $patch_line;
5393 my $diffinfo;
5394 my $to_name;
5395 my (%from, %to);
5396 my @chunk; # for side-by-side diff
5397
5398 print "<div class=\"patchset\">\n";
5399
5400 # skip to first patch
5401 while ($patch_line = <$fd>) {
5402 chomp $patch_line;
5403
5404 last if ($patch_line =~ m/^diff /);
5405 }
5406
5407 PATCH:
5408 while ($patch_line) {
5409
5410 # parse "git diff" header line
5411 if ($patch_line =~ m/^diff --git (\"(?:[^\\\"]*(?:\\.[^\\\"]*)*)\"|[^ "]*) (.*)$/) {
5412 # $1 is from_name, which we do not use
5413 $to_name = unquote($2);
5414 $to_name =~ s!^b/!!;
5415 } elsif ($patch_line =~ m/^diff --(cc|combined) ("?.*"?)$/) {
5416 # $1 is 'cc' or 'combined', which we do not use
5417 $to_name = unquote($2);
5418 } else {
5419 $to_name = undef;
5420 }
5421
5422 # check if current patch belong to current raw line
5423 # and parse raw git-diff line if needed
5424 if (is_patch_split($diffinfo, { 'to_file' => $to_name })) {
5425 # this is continuation of a split patch
5426 print "<div class=\"patch cont\">\n";
5427 } else {
5428 # advance raw git-diff output if needed
5429 $patch_idx++ if defined $diffinfo;
5430
5431 # read and prepare patch information
5432 $diffinfo = parsed_difftree_line($difftree->[$patch_idx]);
5433
5434 # compact combined diff output can have some patches skipped
5435 # find which patch (using pathname of result) we are at now;
5436 if ($is_combined) {
5437 while ($to_name ne $diffinfo->{'to_file'}) {
5438 print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n" .
5439 format_diff_cc_simplified($diffinfo, @hash_parents) .
5440 "</div>\n"; # class="patch"
5441
5442 $patch_idx++;
5443 $patch_number++;
5444
5445 last if $patch_idx > $#$difftree;
5446 $diffinfo = parsed_difftree_line($difftree->[$patch_idx]);
5447 }
5448 }
5449
5450 # modifies %from, %to hashes
5451 parse_from_to_diffinfo($diffinfo, \%from, \%to, @hash_parents);
5452
5453 # this is first patch for raw difftree line with $patch_idx index
5454 # we index @$difftree array from 0, but number patches from 1
5455 print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n";
5456 }
5457
5458 # git diff header
5459 #assert($patch_line =~ m/^diff /) if DEBUG;
5460 #assert($patch_line !~ m!$/$!) if DEBUG; # is chomp-ed
5461 $patch_number++;
5462 # print "git diff" header
5463 print format_git_diff_header_line($patch_line, $diffinfo,
5464 \%from, \%to);
5465
5466 # print extended diff header
5467 print "<div class=\"diff extended_header\">\n";
5468 EXTENDED_HEADER:
5469 while ($patch_line = <$fd>) {
5470 chomp $patch_line;
5471
5472 last EXTENDED_HEADER if ($patch_line =~ m/^--- |^diff /);
5473
5474 print format_extended_diff_header_line($patch_line, $diffinfo,
5475 \%from, \%to);
5476 }
5477 print "</div>\n"; # class="diff extended_header"
5478
5479 # from-file/to-file diff header
5480 if (! $patch_line) {
5481 print "</div>\n"; # class="patch"
5482 last PATCH;
5483 }
5484 next PATCH if ($patch_line =~ m/^diff /);
5485 #assert($patch_line =~ m/^---/) if DEBUG;
5486
5487 my $last_patch_line = $patch_line;
5488 $patch_line = <$fd>;
5489 chomp $patch_line;
5490 #assert($patch_line =~ m/^\+\+\+/) if DEBUG;
5491
5492 print format_diff_from_to_header($last_patch_line, $patch_line,
5493 $diffinfo, \%from, \%to,
5494 @hash_parents);
5495
5496 # the patch itself
5497 LINE:
5498 while ($patch_line = <$fd>) {
5499 chomp $patch_line;
5500
5501 next PATCH if ($patch_line =~ m/^diff /);
5502
5503 my $class = diff_line_class($patch_line, \%from, \%to);
5504
5505 if ($class eq 'chunk_header') {
5506 print_diff_chunk($diff_style, scalar @hash_parents, \%from, \%to, @chunk);
5507 @chunk = ();
5508 }
5509
5510 push @chunk, [ $class, $patch_line ];
5511 }
5512
5513 } continue {
5514 if (@chunk) {
5515 print_diff_chunk($diff_style, scalar @hash_parents, \%from, \%to, @chunk);
5516 @chunk = ();
5517 }
5518 print "</div>\n"; # class="patch"
5519 }
5520
5521 # for compact combined (--cc) format, with chunk and patch simplification
5522 # the patchset might be empty, but there might be unprocessed raw lines
5523 for (++$patch_idx if $patch_number > 0;
5524 $patch_idx < @$difftree;
5525 ++$patch_idx) {
5526 # read and prepare patch information
5527 $diffinfo = parsed_difftree_line($difftree->[$patch_idx]);
5528
5529 # generate anchor for "patch" links in difftree / whatchanged part
5530 print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n" .
5531 format_diff_cc_simplified($diffinfo, @hash_parents) .
5532 "</div>\n"; # class="patch"
5533
5534 $patch_number++;
5535 }
5536
5537 if ($patch_number == 0) {
5538 if (@hash_parents > 1) {
5539 print "<div class=\"diff nodifferences\">Trivial merge</div>\n";
5540 } else {
5541 print "<div class=\"diff nodifferences\">No differences found</div>\n";
5542 }
5543 }
5544
5545 print "</div>\n"; # class="patchset"
5546 }
5547
5548 # . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5549
5550 sub git_project_search_form {
5551 my ($searchtext, $search_use_regexp) = @_;
5552
5553 my $limit = '';
5554 if ($project_filter) {
5555 $limit = " in '$project_filter/'";
5556 }
5557
5558 print "<div class=\"projsearch\">\n";
5559 print $cgi->start_form(-method => 'get', -action => $my_uri) .
5560 $cgi->hidden(-name => 'a', -value => 'project_list') . "\n";
5561 print $cgi->hidden(-name => 'pf', -value => $project_filter). "\n"
5562 if (defined $project_filter);
5563 print $cgi->textfield(-name => 's', -value => $searchtext,
5564 -title => "Search project by name and description$limit",
5565 -size => 60) . "\n" .
5566 "<span title=\"Extended regular expression\">" .
5567 $cgi->checkbox(-name => 'sr', -value => 1, -label => 're',
5568 -checked => $search_use_regexp) .
5569 "</span>\n" .
5570 $cgi->submit(-name => 'btnS', -value => 'Search') .
5571 $cgi->end_form() . "\n" .
5572 $cgi->a({-href => href(project => undef, searchtext => undef,
5573 project_filter => $project_filter)},
5574 esc_html("List all projects$limit")) . "<br />\n";
5575 print "</div>\n";
5576 }
5577
5578 # entry for given @keys needs filling if at least one of keys in list
5579 # is not present in %$project_info
5580 sub project_info_needs_filling {
5581 my ($project_info, @keys) = @_;
5582
5583 # return List::MoreUtils::any { !exists $project_info->{$_} } @keys;
5584 foreach my $key (@keys) {
5585 if (!exists $project_info->{$key}) {
5586 return 1;
5587 }
5588 }
5589 return;
5590 }
5591
5592 # fills project list info (age, description, owner, category, forks, etc.)
5593 # for each project in the list, removing invalid projects from
5594 # returned list, or fill only specified info.
5595 #
5596 # Invalid projects are removed from the returned list if and only if you
5597 # ask 'age' or 'age_string' to be filled, because they are the only fields
5598 # that run unconditionally git command that requires repository, and
5599 # therefore do always check if project repository is invalid.
5600 #
5601 # USAGE:
5602 # * fill_project_list_info(\@project_list, 'descr_long', 'ctags')
5603 # ensures that 'descr_long' and 'ctags' fields are filled
5604 # * @project_list = fill_project_list_info(\@project_list)
5605 # ensures that all fields are filled (and invalid projects removed)
5606 #
5607 # NOTE: modifies $projlist, but does not remove entries from it
5608 sub fill_project_list_info {
5609 my ($projlist, @wanted_keys) = @_;
5610 my @projects;
5611 my $filter_set = sub { return @_; };
5612 if (@wanted_keys) {
5613 my %wanted_keys = map { $_ => 1 } @wanted_keys;
5614 $filter_set = sub { return grep { $wanted_keys{$_} } @_; };
5615 }
5616
5617 my $show_ctags = gitweb_check_feature('ctags');
5618 PROJECT:
5619 foreach my $pr (@$projlist) {
5620 if (project_info_needs_filling($pr, $filter_set->('age', 'age_string'))) {
5621 my (@activity) = git_get_last_activity($pr->{'path'});
5622 unless (@activity) {
5623 next PROJECT;
5624 }
5625 ($pr->{'age'}, $pr->{'age_string'}) = @activity;
5626 }
5627 if (project_info_needs_filling($pr, $filter_set->('descr', 'descr_long'))) {
5628 my $descr = git_get_project_description($pr->{'path'}) || "";
5629 $descr = to_utf8($descr);
5630 $pr->{'descr_long'} = $descr;
5631 $pr->{'descr'} = chop_str($descr, $projects_list_description_width, 5);
5632 }
5633 if (project_info_needs_filling($pr, $filter_set->('owner'))) {
5634 $pr->{'owner'} = git_get_project_owner("$pr->{'path'}") || "";
5635 }
5636 if ($show_ctags &&
5637 project_info_needs_filling($pr, $filter_set->('ctags'))) {
5638 $pr->{'ctags'} = git_get_project_ctags($pr->{'path'});
5639 }
5640 if ($projects_list_group_categories &&
5641 project_info_needs_filling($pr, $filter_set->('category'))) {
5642 my $cat = git_get_project_category($pr->{'path'}) ||
5643 $project_list_default_category;
5644 $pr->{'category'} = to_utf8($cat);
5645 }
5646
5647 push @projects, $pr;
5648 }
5649
5650 return @projects;
5651 }
5652
5653 sub sort_projects_list {
5654 my ($projlist, $order) = @_;
5655
5656 sub order_str {
5657 my $key = shift;
5658 return sub { $a->{$key} cmp $b->{$key} };
5659 }
5660
5661 sub order_num_then_undef {
5662 my $key = shift;
5663 return sub {
5664 defined $a->{$key} ?
5665 (defined $b->{$key} ? $a->{$key} <=> $b->{$key} : -1) :
5666 (defined $b->{$key} ? 1 : 0)
5667 };
5668 }
5669
5670 my %orderings = (
5671 project => order_str('path'),
5672 descr => order_str('descr_long'),
5673 owner => order_str('owner'),
5674 age => order_num_then_undef('age'),
5675 );
5676
5677 my $ordering = $orderings{$order};
5678 return defined $ordering ? sort $ordering @$projlist : @$projlist;
5679 }
5680
5681 # returns a hash of categories, containing the list of project
5682 # belonging to each category
5683 sub build_projlist_by_category {
5684 my ($projlist, $from, $to) = @_;
5685 my %categories;
5686
5687 $from = 0 unless defined $from;
5688 $to = $#$projlist if (!defined $to || $#$projlist < $to);
5689
5690 for (my $i = $from; $i <= $to; $i++) {
5691 my $pr = $projlist->[$i];
5692 push @{$categories{ $pr->{'category'} }}, $pr;
5693 }
5694
5695 return wantarray ? %categories : \%categories;
5696 }
5697
5698 # print 'sort by' <th> element, generating 'sort by $name' replay link
5699 # if that order is not selected
5700 sub print_sort_th {
5701 print format_sort_th(@_);
5702 }
5703
5704 sub format_sort_th {
5705 my ($name, $order, $header) = @_;
5706 my $sort_th = "";
5707 $header ||= ucfirst($name);
5708
5709 if ($order eq $name) {
5710 $sort_th .= "<th>$header</th>\n";
5711 } else {
5712 $sort_th .= "<th>" .
5713 $cgi->a({-href => href(-replay=>1, order=>$name),
5714 -class => "header"}, $header) .
5715 "</th>\n";
5716 }
5717
5718 return $sort_th;
5719 }
5720
5721 sub git_project_list_rows {
5722 my ($projlist, $from, $to, $check_forks) = @_;
5723
5724 $from = 0 unless defined $from;
5725 $to = $#$projlist if (!defined $to || $#$projlist < $to);
5726
5727 my $alternate = 1;
5728 for (my $i = $from; $i <= $to; $i++) {
5729 my $pr = $projlist->[$i];
5730
5731 if ($alternate) {
5732 print "<tr class=\"dark\">\n";
5733 } else {
5734 print "<tr class=\"light\">\n";
5735 }
5736 $alternate ^= 1;
5737
5738 if ($check_forks) {
5739 print "<td>";
5740 if ($pr->{'forks'}) {
5741 my $nforks = scalar @{$pr->{'forks'}};
5742 if ($nforks > 0) {
5743 print $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks"),
5744 -title => "$nforks forks"}, "+");
5745 } else {
5746 print $cgi->span({-title => "$nforks forks"}, "+");
5747 }
5748 }
5749 print "</td>\n";
5750 }
5751 print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
5752 -class => "list"},
5753 esc_html_match_hl($pr->{'path'}, $search_regexp)) .
5754 "</td>\n" .
5755 "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
5756 -class => "list",
5757 -title => $pr->{'descr_long'}},
5758 $search_regexp
5759 ? esc_html_match_hl_chopped($pr->{'descr_long'},
5760 $pr->{'descr'}, $search_regexp)
5761 : esc_html($pr->{'descr'})) .
5762 "</td>\n";
5763 unless ($omit_owner) {
5764 print "<td><i>" . chop_and_escape_str($pr->{'owner'}, 15) . "</i></td>\n";
5765 }
5766 unless ($omit_age_column) {
5767 print "<td class=\"". age_class($pr->{'age'}) . "\">" .
5768 (defined $pr->{'age_string'} ? $pr->{'age_string'} : "No commits") . "</td>\n";
5769 }
5770 print"<td class=\"link\">" .
5771 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary") . " | " .
5772 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
5773 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " .
5774 $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") .
5775 ($pr->{'forks'} ? " | " . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks")}, "forks") : '') .
5776 "</td>\n" .
5777 "</tr>\n";
5778 }
5779 }
5780
5781 sub git_project_list_body {
5782 # actually uses global variable $project
5783 my ($projlist, $order, $from, $to, $extra, $no_header) = @_;
5784 my @projects = @$projlist;
5785
5786 my $check_forks = gitweb_check_feature('forks');
5787 my $show_ctags = gitweb_check_feature('ctags');
5788 my $tagfilter = $show_ctags ? $input_params{'ctag'} : undef;
5789 $check_forks = undef
5790 if ($tagfilter || $search_regexp);
5791
5792 # filtering out forks before filling info allows to do less work
5793 @projects = filter_forks_from_projects_list(\@projects)
5794 if ($check_forks);
5795 # search_projects_list pre-fills required info
5796 @projects = search_projects_list(\@projects,
5797 'search_regexp' => $search_regexp,
5798 'tagfilter' => $tagfilter)
5799 if ($tagfilter || $search_regexp);
5800 # fill the rest
5801 my @all_fields = ('descr', 'descr_long', 'ctags', 'category');
5802 push @all_fields, ('age', 'age_string') unless($omit_age_column);
5803 push @all_fields, 'owner' unless($omit_owner);
5804 @projects = fill_project_list_info(\@projects, @all_fields);
5805
5806 $order ||= $default_projects_order;
5807 $from = 0 unless defined $from;
5808 $to = $#projects if (!defined $to || $#projects < $to);
5809
5810 # short circuit
5811 if ($from > $to) {
5812 print "<center>\n".
5813 "<b>No such projects found</b><br />\n".
5814 "Click ".$cgi->a({-href=>href(project=>undef)},"here")." to view all projects<br />\n".
5815 "</center>\n<br />\n";
5816 return;
5817 }
5818
5819 @projects = sort_projects_list(\@projects, $order);
5820
5821 if ($show_ctags) {
5822 my $ctags = git_gather_all_ctags(\@projects);
5823 my $cloud = git_populate_project_tagcloud($ctags);
5824 print git_show_project_tagcloud($cloud, 64);
5825 }
5826
5827 print "<table class=\"project_list\">\n";
5828 unless ($no_header) {
5829 print "<tr>\n";
5830 if ($check_forks) {
5831 print "<th></th>\n";
5832 }
5833 print_sort_th('project', $order, 'Project');
5834 print_sort_th('descr', $order, 'Description');
5835 print_sort_th('owner', $order, 'Owner') unless $omit_owner;
5836 print_sort_th('age', $order, 'Last Change') unless $omit_age_column;
5837 print "<th></th>\n" . # for links
5838 "</tr>\n";
5839 }
5840
5841 if ($projects_list_group_categories) {
5842 # only display categories with projects in the $from-$to window
5843 @projects = sort {$a->{'category'} cmp $b->{'category'}} @projects[$from..$to];
5844 my %categories = build_projlist_by_category(\@projects, $from, $to);
5845 foreach my $cat (sort keys %categories) {
5846 unless ($cat eq "") {
5847 print "<tr>\n";
5848 if ($check_forks) {
5849 print "<td></td>\n";
5850 }
5851 print "<td class=\"category\" colspan=\"5\">".esc_html($cat)."</td>\n";
5852 print "</tr>\n";
5853 }
5854
5855 git_project_list_rows($categories{$cat}, undef, undef, $check_forks);
5856 }
5857 } else {
5858 git_project_list_rows(\@projects, $from, $to, $check_forks);
5859 }
5860
5861 if (defined $extra) {
5862 print "<tr>\n";
5863 if ($check_forks) {
5864 print "<td></td>\n";
5865 }
5866 print "<td colspan=\"5\">$extra</td>\n" .
5867 "</tr>\n";
5868 }
5869 print "</table>\n";
5870 }
5871
5872 sub git_log_body {
5873 # uses global variable $project
5874 my ($commitlist, $from, $to, $refs, $extra) = @_;
5875
5876 $from = 0 unless defined $from;
5877 $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to);
5878
5879 for (my $i = 0; $i <= $to; $i++) {
5880 my %co = %{$commitlist->[$i]};
5881 next if !%co;
5882 my $commit = $co{'id'};
5883 my $ref = format_ref_marker($refs, $commit);
5884 git_print_header_div('commit',
5885 "<span class=\"age\">$co{'age_string'}</span>" .
5886 esc_html($co{'title'}) . $ref,
5887 $commit);
5888 print "<div class=\"title_text\">\n" .
5889 "<div class=\"log_link\">\n" .
5890 $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
5891 " | " .
5892 $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
5893 " | " .
5894 $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") .
5895 "</div>\n";
5896 git_print_authorship(\%co, -tag => 'span');
5897 print "</div>\n";
5898
5899 print "<div class=\"log_body\">\n";
5900 git_print_log($co{'comment'});
5901 print "</div>\n";
5902 }
5903 if ($extra) {
5904 print "<div class=\"page_nav\">\n";
5905 print "$extra\n";
5906 print "</div>\n";
5907 }
5908 }
5909
5910 sub git_shortlog_body {
5911 # uses global variable $project
5912 my ($commitlist, $from, $to, $refs, $extra) = @_;
5913
5914 $from = 0 unless defined $from;
5915 $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to);
5916
5917 print "<table class=\"shortlog\">\n";
5918 my $alternate = 1;
5919 for (my $i = $from; $i <= $to; $i++) {
5920 my %co = %{$commitlist->[$i]};
5921 my $commit = $co{'id'};
5922 my $ref = format_ref_marker($refs, $commit);
5923 if ($alternate) {
5924 print "<tr class=\"dark\">\n";
5925 } else {
5926 print "<tr class=\"light\">\n";
5927 }
5928 $alternate ^= 1;
5929 # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
5930 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
5931 format_author_html('td', \%co, 10) . "<td>";
5932 print format_subject_html($co{'title'}, $co{'title_short'},
5933 href(action=>"commit", hash=>$commit), $ref);
5934 print "</td>\n" .
5935 "<td class=\"link\">" .
5936 $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
5937 $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
5938 $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree");
5939 my $snapshot_links = format_snapshot_links($commit);
5940 if (defined $snapshot_links) {
5941 print " | " . $snapshot_links;
5942 }
5943 print "</td>\n" .
5944 "</tr>\n";
5945 }
5946 if (defined $extra) {
5947 print "<tr>\n" .
5948 "<td colspan=\"4\">$extra</td>\n" .
5949 "</tr>\n";
5950 }
5951 print "</table>\n";
5952 }
5953
5954 sub git_history_body {
5955 # Warning: assumes constant type (blob or tree) during history
5956 my ($commitlist, $from, $to, $refs, $extra,
5957 $file_name, $file_hash, $ftype) = @_;
5958
5959 $from = 0 unless defined $from;
5960 $to = $#{$commitlist} unless (defined $to && $to <= $#{$commitlist});
5961
5962 print "<table class=\"history\">\n";
5963 my $alternate = 1;
5964 for (my $i = $from; $i <= $to; $i++) {
5965 my %co = %{$commitlist->[$i]};
5966 if (!%co) {
5967 next;
5968 }
5969 my $commit = $co{'id'};
5970
5971 my $ref = format_ref_marker($refs, $commit);
5972
5973 if ($alternate) {
5974 print "<tr class=\"dark\">\n";
5975 } else {
5976 print "<tr class=\"light\">\n";
5977 }
5978 $alternate ^= 1;
5979 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
5980 # shortlog: format_author_html('td', \%co, 10)
5981 format_author_html('td', \%co, 15, 3) . "<td>";
5982 # originally git_history used chop_str($co{'title'}, 50)
5983 print format_subject_html($co{'title'}, $co{'title_short'},
5984 href(action=>"commit", hash=>$commit), $ref);
5985 print "</td>\n" .
5986 "<td class=\"link\">" .
5987 $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype) . " | " .
5988 $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
5989
5990 if ($ftype eq 'blob') {
5991 print " | " .
5992 $cgi->a({-href => href(action=>"blob_plain", hash_base=>$commit, file_name=>$file_name)}, "raw");
5993
5994 my $blob_current = $file_hash;
5995 my $blob_parent = git_get_hash_by_path($commit, $file_name);
5996 if (defined $blob_current && defined $blob_parent &&
5997 $blob_current ne $blob_parent) {
5998 print " | " .
5999 $cgi->a({-href => href(action=>"blobdiff",
6000 hash=>$blob_current, hash_parent=>$blob_parent,
6001 hash_base=>$hash_base, hash_parent_base=>$commit,
6002 file_name=>$file_name)},
6003 "diff to current");
6004 }
6005 }
6006 print "</td>\n" .
6007 "</tr>\n";
6008 }
6009 if (defined $extra) {
6010 print "<tr>\n" .
6011 "<td colspan=\"4\">$extra</td>\n" .
6012 "</tr>\n";
6013 }
6014 print "</table>\n";
6015 }
6016
6017 sub git_tags_body {
6018 # uses global variable $project
6019 my ($taglist, $from, $to, $extra) = @_;
6020 $from = 0 unless defined $from;
6021 $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
6022
6023 print "<table class=\"tags\">\n";
6024 my $alternate = 1;
6025 for (my $i = $from; $i <= $to; $i++) {
6026 my $entry = $taglist->[$i];
6027 my %tag = %$entry;
6028 my $comment = $tag{'subject'};
6029 my $comment_short;
6030 if (defined $comment) {
6031 $comment_short = chop_str($comment, 30, 5);
6032 }
6033 if ($alternate) {
6034 print "<tr class=\"dark\">\n";
6035 } else {
6036 print "<tr class=\"light\">\n";
6037 }
6038 $alternate ^= 1;
6039 if (defined $tag{'age'}) {
6040 print "<td><i>$tag{'age'}</i></td>\n";
6041 } else {
6042 print "<td></td>\n";
6043 }
6044 print "<td>" .
6045 $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
6046 -class => "list name"}, esc_html($tag{'name'})) .
6047 "</td>\n" .
6048 "<td>";
6049 if (defined $comment) {
6050 print format_subject_html($comment, $comment_short,
6051 href(action=>"tag", hash=>$tag{'id'}));
6052 }
6053 print "</td>\n" .
6054 "<td class=\"selflink\">";
6055 if ($tag{'type'} eq "tag") {
6056 print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
6057 } else {
6058 print "&nbsp;";
6059 }
6060 print "</td>\n" .
6061 "<td class=\"link\">" . " | " .
6062 $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
6063 if ($tag{'reftype'} eq "commit") {
6064 print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'fullname'})}, "shortlog") .
6065 " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'fullname'})}, "log");
6066 } elsif ($tag{'reftype'} eq "blob") {
6067 print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
6068 }
6069 print "</td>\n" .
6070 "</tr>";
6071 }
6072 if (defined $extra) {
6073 print "<tr>\n" .
6074 "<td colspan=\"5\">$extra</td>\n" .
6075 "</tr>\n";
6076 }
6077 print "</table>\n";
6078 }
6079
6080 sub git_heads_body {
6081 # uses global variable $project
6082 my ($headlist, $head_at, $from, $to, $extra) = @_;
6083 $from = 0 unless defined $from;
6084 $to = $#{$headlist} if (!defined $to || $#{$headlist} < $to);
6085
6086 print "<table class=\"heads\">\n";
6087 my $alternate = 1;
6088 for (my $i = $from; $i <= $to; $i++) {
6089 my $entry = $headlist->[$i];
6090 my %ref = %$entry;
6091 my $curr = defined $head_at && $ref{'id'} eq $head_at;
6092 if ($alternate) {
6093 print "<tr class=\"dark\">\n";
6094 } else {
6095 print "<tr class=\"light\">\n";
6096 }
6097 $alternate ^= 1;
6098 print "<td><i>$ref{'age'}</i></td>\n" .
6099 ($curr ? "<td class=\"current_head\">" : "<td>") .
6100 $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'fullname'}),
6101 -class => "list name"},esc_html($ref{'name'})) .
6102 "</td>\n" .
6103 "<td class=\"link\">" .
6104 $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'fullname'})}, "shortlog") . " | " .
6105 $cgi->a({-href => href(action=>"log", hash=>$ref{'fullname'})}, "log") . " | " .
6106 $cgi->a({-href => href(action=>"tree", hash=>$ref{'fullname'}, hash_base=>$ref{'fullname'})}, "tree") .
6107 "</td>\n" .
6108 "</tr>";
6109 }
6110 if (defined $extra) {
6111 print "<tr>\n" .
6112 "<td colspan=\"3\">$extra</td>\n" .
6113 "</tr>\n";
6114 }
6115 print "</table>\n";
6116 }
6117
6118 # Display a single remote block
6119 sub git_remote_block {
6120 my ($remote, $rdata, $limit, $head) = @_;
6121
6122 my $heads = $rdata->{'heads'};
6123 my $fetch = $rdata->{'fetch'};
6124 my $push = $rdata->{'push'};
6125
6126 my $urls_table = "<table class=\"projects_list\">\n" ;
6127
6128 if (defined $fetch) {
6129 if ($fetch eq $push) {
6130 $urls_table .= format_repo_url("URL", $fetch);
6131 } else {
6132 $urls_table .= format_repo_url("Fetch URL", $fetch);
6133 $urls_table .= format_repo_url("Push URL", $push) if defined $push;
6134 }
6135 } elsif (defined $push) {
6136 $urls_table .= format_repo_url("Push URL", $push);
6137 } else {
6138 $urls_table .= format_repo_url("", "No remote URL");
6139 }
6140
6141 $urls_table .= "</table>\n";
6142
6143 my $dots;
6144 if (defined $limit && $limit < @$heads) {
6145 $dots = $cgi->a({-href => href(action=>"remotes", hash=>$remote)}, "...");
6146 }
6147
6148 print $urls_table;
6149 git_heads_body($heads, $head, 0, $limit, $dots);
6150 }
6151
6152 # Display a list of remote names with the respective fetch and push URLs
6153 sub git_remotes_list {
6154 my ($remotedata, $limit) = @_;
6155 print "<table class=\"heads\">\n";
6156 my $alternate = 1;
6157 my @remotes = sort keys %$remotedata;
6158
6159 my $limited = $limit && $limit < @remotes;
6160
6161 $#remotes = $limit - 1 if $limited;
6162
6163 while (my $remote = shift @remotes) {
6164 my $rdata = $remotedata->{$remote};
6165 my $fetch = $rdata->{'fetch'};
6166 my $push = $rdata->{'push'};
6167 if ($alternate) {
6168 print "<tr class=\"dark\">\n";
6169 } else {
6170 print "<tr class=\"light\">\n";
6171 }
6172 $alternate ^= 1;
6173 print "<td>" .
6174 $cgi->a({-href=> href(action=>'remotes', hash=>$remote),
6175 -class=> "list name"},esc_html($remote)) .
6176 "</td>";
6177 print "<td class=\"link\">" .
6178 (defined $fetch ? $cgi->a({-href=> $fetch}, "fetch") : "fetch") .
6179 " | " .
6180 (defined $push ? $cgi->a({-href=> $push}, "push") : "push") .
6181 "</td>";
6182
6183 print "</tr>\n";
6184 }
6185
6186 if ($limited) {
6187 print "<tr>\n" .
6188 "<td colspan=\"3\">" .
6189 $cgi->a({-href => href(action=>"remotes")}, "...") .
6190 "</td>\n" . "</tr>\n";
6191 }
6192
6193 print "</table>";
6194 }
6195
6196 # Display remote heads grouped by remote, unless there are too many
6197 # remotes, in which case we only display the remote names
6198 sub git_remotes_body {
6199 my ($remotedata, $limit, $head) = @_;
6200 if ($limit and $limit < keys %$remotedata) {
6201 git_remotes_list($remotedata, $limit);
6202 } else {
6203 fill_remote_heads($remotedata);
6204 while (my ($remote, $rdata) = each %$remotedata) {
6205 git_print_section({-class=>"remote", -id=>$remote},
6206 ["remotes", $remote, $remote], sub {
6207 git_remote_block($remote, $rdata, $limit, $head);
6208 });
6209 }
6210 }
6211 }
6212
6213 sub git_search_message {
6214 my %co = @_;
6215
6216 my $greptype;
6217 if ($searchtype eq 'commit') {
6218 $greptype = "--grep=";
6219 } elsif ($searchtype eq 'author') {
6220 $greptype = "--author=";
6221 } elsif ($searchtype eq 'committer') {
6222 $greptype = "--committer=";
6223 }
6224 $greptype .= $searchtext;
6225 my @commitlist = parse_commits($hash, 101, (100 * $page), undef,
6226 $greptype, '--regexp-ignore-case',
6227 $search_use_regexp ? '--extended-regexp' : '--fixed-strings');
6228
6229 my $paging_nav = '';
6230 if ($page > 0) {
6231 $paging_nav .=
6232 $cgi->a({-href => href(-replay=>1, page=>undef)},
6233 "first") .
6234 " &sdot; " .
6235 $cgi->a({-href => href(-replay=>1, page=>$page-1),
6236 -accesskey => "p", -title => "Alt-p"}, "prev");
6237 } else {
6238 $paging_nav .= "first &sdot; prev";
6239 }
6240 my $next_link = '';
6241 if ($#commitlist >= 100) {
6242 $next_link =
6243 $cgi->a({-href => href(-replay=>1, page=>$page+1),
6244 -accesskey => "n", -title => "Alt-n"}, "next");
6245 $paging_nav .= " &sdot; $next_link";
6246 } else {
6247 $paging_nav .= " &sdot; next";
6248 }
6249
6250 git_header_html();
6251
6252 git_print_page_nav('','', $hash,$co{'tree'},$hash, $paging_nav);
6253 git_print_header_div('commit', esc_html($co{'title'}), $hash);
6254 if ($page == 0 && !@commitlist) {
6255 print "<p>No match.</p>\n";
6256 } else {
6257 git_search_grep_body(\@commitlist, 0, 99, $next_link);
6258 }
6259
6260 git_footer_html();
6261 }
6262
6263 sub git_search_changes {
6264 my %co = @_;
6265
6266 local $/ = "\n";
6267 open my $fd, '-|', git_cmd(), '--no-pager', 'log', @diff_opts,
6268 '--pretty=format:%H', '--no-abbrev', '--raw', "-S$searchtext",
6269 ($search_use_regexp ? '--pickaxe-regex' : ())
6270 or die_error(500, "Open git-log failed");
6271
6272 git_header_html();
6273
6274 git_print_page_nav('','', $hash,$co{'tree'},$hash);
6275 git_print_header_div('commit', esc_html($co{'title'}), $hash);
6276
6277 print "<table class=\"pickaxe search\">\n";
6278 my $alternate = 1;
6279 undef %co;
6280 my @files;
6281 while (my $line = <$fd>) {
6282 chomp $line;
6283 next unless $line;
6284
6285 my %set = parse_difftree_raw_line($line);
6286 if (defined $set{'commit'}) {
6287 # finish previous commit
6288 if (%co) {
6289 print "</td>\n" .
6290 "<td class=\"link\">" .
6291 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})},
6292 "commit") .
6293 " | " .
6294 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'},
6295 hash_base=>$co{'id'})},
6296 "tree") .
6297 "</td>\n" .
6298 "</tr>\n";
6299 }
6300
6301 if ($alternate) {
6302 print "<tr class=\"dark\">\n";
6303 } else {
6304 print "<tr class=\"light\">\n";
6305 }
6306 $alternate ^= 1;
6307 %co = parse_commit($set{'commit'});
6308 my $author = chop_and_escape_str($co{'author_name'}, 15, 5);
6309 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
6310 "<td><i>$author</i></td>\n" .
6311 "<td>" .
6312 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
6313 -class => "list subject"},
6314 chop_and_escape_str($co{'title'}, 50) . "<br/>");
6315 } elsif (defined $set{'to_id'}) {
6316 next if is_deleted(\%set);
6317
6318 print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
6319 hash=>$set{'to_id'}, file_name=>$set{'to_file'}),
6320 -class => "list"},
6321 "<span class=\"match\">" . esc_path($set{'file'}) . "</span>") .
6322 "<br/>\n";
6323 }
6324 }
6325 close $fd;
6326
6327 # finish last commit (warning: repetition!)
6328 if (%co) {
6329 print "</td>\n" .
6330 "<td class=\"link\">" .
6331 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})},
6332 "commit") .
6333 " | " .
6334 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'},
6335 hash_base=>$co{'id'})},
6336 "tree") .
6337 "</td>\n" .
6338 "</tr>\n";
6339 }
6340
6341 print "</table>\n";
6342
6343 git_footer_html();
6344 }
6345
6346 sub git_search_files {
6347 my %co = @_;
6348
6349 local $/ = "\n";
6350 open my $fd, "-|", git_cmd(), 'grep', '-n', '-z',
6351 $search_use_regexp ? ('-E', '-i') : '-F',
6352 $searchtext, $co{'tree'}
6353 or die_error(500, "Open git-grep failed");
6354
6355 git_header_html();
6356
6357 git_print_page_nav('','', $hash,$co{'tree'},$hash);
6358 git_print_header_div('commit', esc_html($co{'title'}), $hash);
6359
6360 print "<table class=\"grep_search\">\n";
6361 my $alternate = 1;
6362 my $matches = 0;
6363 my $lastfile = '';
6364 my $file_href;
6365 while (my $line = <$fd>) {
6366 chomp $line;
6367 my ($file, $lno, $ltext, $binary);
6368 last if ($matches++ > 1000);
6369 if ($line =~ /^Binary file (.+) matches$/) {
6370 $file = $1;
6371 $binary = 1;
6372 } else {
6373 ($file, $lno, $ltext) = split(/\0/, $line, 3);
6374 $file =~ s/^$co{'tree'}://;
6375 }
6376 if ($file ne $lastfile) {
6377 $lastfile and print "</td></tr>\n";
6378 if ($alternate++) {
6379 print "<tr class=\"dark\">\n";
6380 } else {
6381 print "<tr class=\"light\">\n";
6382 }
6383 $file_href = href(action=>"blob", hash_base=>$co{'id'},
6384 file_name=>$file);
6385 print "<td class=\"list\">".
6386 $cgi->a({-href => $file_href, -class => "list"}, esc_path($file));
6387 print "</td><td>\n";
6388 $lastfile = $file;
6389 }
6390 if ($binary) {
6391 print "<div class=\"binary\">Binary file</div>\n";
6392 } else {
6393 $ltext = untabify($ltext);
6394 if ($ltext =~ m/^(.*)($search_regexp)(.*)$/i) {
6395 $ltext = esc_html($1, -nbsp=>1);
6396 $ltext .= '<span class="match">';
6397 $ltext .= esc_html($2, -nbsp=>1);
6398 $ltext .= '</span>';
6399 $ltext .= esc_html($3, -nbsp=>1);
6400 } else {
6401 $ltext = esc_html($ltext, -nbsp=>1);
6402 }
6403 print "<div class=\"pre\">" .
6404 $cgi->a({-href => $file_href.'#l'.$lno,
6405 -class => "linenr"}, sprintf('%4i ', $lno)) .
6406 $ltext . "</div>\n";
6407 }
6408 }
6409 if ($lastfile) {
6410 print "</td></tr>\n";
6411 if ($matches > 1000) {
6412 print "<div class=\"diff nodifferences\">Too many matches, listing trimmed</div>\n";
6413 }
6414 } else {
6415 print "<div class=\"diff nodifferences\">No matches found</div>\n";
6416 }
6417 close $fd;
6418
6419 print "</table>\n";
6420
6421 git_footer_html();
6422 }
6423
6424 sub git_search_grep_body {
6425 my ($commitlist, $from, $to, $extra) = @_;
6426 $from = 0 unless defined $from;
6427 $to = $#{$commitlist} if (!defined $to || $#{$commitlist} < $to);
6428
6429 print "<table class=\"commit_search\">\n";
6430 my $alternate = 1;
6431 for (my $i = $from; $i <= $to; $i++) {
6432 my %co = %{$commitlist->[$i]};
6433 if (!%co) {
6434 next;
6435 }
6436 my $commit = $co{'id'};
6437 if ($alternate) {
6438 print "<tr class=\"dark\">\n";
6439 } else {
6440 print "<tr class=\"light\">\n";
6441 }
6442 $alternate ^= 1;
6443 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
6444 format_author_html('td', \%co, 15, 5) .
6445 "<td>" .
6446 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
6447 -class => "list subject"},
6448 chop_and_escape_str($co{'title'}, 50) . "<br/>");
6449 my $comment = $co{'comment'};
6450 foreach my $line (@$comment) {
6451 if ($line =~ m/^(.*?)($search_regexp)(.*)$/i) {
6452 my ($lead, $match, $trail) = ($1, $2, $3);
6453 $match = chop_str($match, 70, 5, 'center');
6454 my $contextlen = int((80 - length($match))/2);
6455 $contextlen = 30 if ($contextlen > 30);
6456 $lead = chop_str($lead, $contextlen, 10, 'left');
6457 $trail = chop_str($trail, $contextlen, 10, 'right');
6458
6459 $lead = esc_html($lead);
6460 $match = esc_html($match);
6461 $trail = esc_html($trail);
6462
6463 print "$lead<span class=\"match\">$match</span>$trail<br />";
6464 }
6465 }
6466 print "</td>\n" .
6467 "<td class=\"link\">" .
6468 $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
6469 " | " .
6470 $cgi->a({-href => href(action=>"commitdiff", hash=>$co{'id'})}, "commitdiff") .
6471 " | " .
6472 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
6473 print "</td>\n" .
6474 "</tr>\n";
6475 }
6476 if (defined $extra) {
6477 print "<tr>\n" .
6478 "<td colspan=\"3\">$extra</td>\n" .
6479 "</tr>\n";
6480 }
6481 print "</table>\n";
6482 }
6483
6484 ## ======================================================================
6485 ## ======================================================================
6486 ## actions
6487
6488 sub git_project_list {
6489 my $order = $input_params{'order'};
6490 if (defined $order && $order !~ m/none|project|descr|owner|age/) {
6491 die_error(400, "Unknown order parameter");
6492 }
6493
6494 my @list = git_get_projects_list($project_filter, $strict_export);
6495 if (!@list) {
6496 die_error(404, "No projects found");
6497 }
6498
6499 git_header_html();
6500 git_end_subhead_html();
6501 if (defined $home_text && -f $home_text) {
6502 print "<div class=\"index_include\">\n";
6503 insert_file($home_text);
6504 print "</div>\n";
6505 }
6506
6507 git_project_search_form($searchtext, $search_use_regexp);
6508 git_project_list_body(\@list, $order);
6509 git_footer_html();
6510 }
6511
6512 sub git_forks {
6513 my $order = $input_params{'order'};
6514 if (defined $order && $order !~ m/none|project|descr|owner|age/) {
6515 die_error(400, "Unknown order parameter");
6516 }
6517
6518 my $filter = $project;
6519 $filter =~ s/\.git$//;
6520 my @list = git_get_projects_list($filter);
6521 if (!@list) {
6522 die_error(404, "No forks found");
6523 }
6524
6525 git_header_html();
6526 git_print_page_nav('','');
6527 git_print_header_div('summary', "$project forks");
6528 git_project_list_body(\@list, $order);
6529 git_footer_html();
6530 }
6531
6532 sub git_project_index {
6533 my @projects = git_get_projects_list($project_filter, $strict_export);
6534 if (!@projects) {
6535 die_error(404, "No projects found");
6536 }
6537
6538 print $cgi->header(
6539 -type => 'text/plain',
6540 -charset => 'utf-8',
6541 -content_disposition => 'inline; filename="index.aux"');
6542
6543 foreach my $pr (@projects) {
6544 if (!exists $pr->{'owner'}) {
6545 $pr->{'owner'} = git_get_project_owner("$pr->{'path'}");
6546 }
6547
6548 my ($path, $owner) = ($pr->{'path'}, $pr->{'owner'});
6549 # quote as in CGI::Util::encode, but keep the slash, and use '+' for ' '
6550 $path =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
6551 $owner =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
6552 $path =~ s/ /\+/g;
6553 $owner =~ s/ /\+/g;
6554
6555 print "$path $owner\n";
6556 }
6557 }
6558
6559 sub git_summary {
6560 my $descr = git_get_project_description($project) || "none";
6561 my %co = parse_commit("HEAD");
6562 my %cd = %co ? parse_date($co{'committer_epoch'}, $co{'committer_tz'}) : ();
6563 my $head = $co{'id'};
6564 my $remote_heads = gitweb_check_feature('remote_heads');
6565
6566 my $owner = git_get_project_owner($project);
6567
6568 my $refs = git_get_references();
6569 # These get_*_list functions return one more to allow us to see if
6570 # there are more ...
6571 my @taglist = git_get_tags_list(16);
6572 my @headlist = git_get_heads_list(16);
6573 my %remotedata = $remote_heads ? git_get_remotes_list() : ();
6574 my @forklist;
6575 my $check_forks = gitweb_check_feature('forks');
6576
6577 if ($check_forks) {
6578 # find forks of a project
6579 my $filter = $project;
6580 $filter =~ s/\.git$//;
6581 @forklist = git_get_projects_list($filter);
6582 # filter out forks of forks
6583 @forklist = filter_forks_from_projects_list(\@forklist)
6584 if (@forklist);
6585 }
6586
6587 git_header_html();
6588 git_print_page_nav('summary','', $head);
6589
6590 print "<table class=\"projects_list\">\n" .
6591 "<tr id=\"metadata_desc\"><th>description</th><td>" . esc_html($descr) . "</td></tr>\n";
6592 if ($owner and not $omit_owner) {
6593 print "<tr id=\"metadata_owner\"><th>owner</th><td>" . esc_html($owner) . "</td></tr>\n";
6594 }
6595 if (defined $cd{'rfc2822'}) {
6596 print "<tr id=\"metadata_lchange\"><th>last change</th>" .
6597 "<td>".format_timestamp_html(\%cd)."</td></tr>\n";
6598 }
6599
6600 # use per project git URL list in $projectroot/$project/cloneurl
6601 # or make project git URL from git base URL and project name
6602 my $url_tag = "URL";
6603 my @url_list = git_get_project_url_list($project);
6604 @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
6605 foreach my $git_url (@url_list) {
6606 next unless $git_url;
6607 print format_repo_url($url_tag, $git_url);
6608 $url_tag = "";
6609 }
6610
6611 # Tag cloud
6612 my $show_ctags = gitweb_check_feature('ctags');
6613 if ($show_ctags) {
6614 my $ctags = git_get_project_ctags($project);
6615 if (%$ctags) {
6616 # without ability to add tags, don't show if there are none
6617 my $cloud = git_populate_project_tagcloud($ctags);
6618 print "<tr id=\"metadata_ctags\">" .
6619 "<th>content tags</th>" .
6620 "<td>".git_show_project_tagcloud($cloud, 48)."</td>" .
6621 "</tr>\n";
6622 }
6623 }
6624
6625 print "</table>\n";
6626
6627 # If XSS prevention is on, we don't include README.html.
6628 # TODO: Allow a readme in some safe format.
6629 if (!$prevent_xss && -s "$projectroot/$project/README.html") {
6630 print "<div class=\"title\">readme</div>\n" .
6631 "<div class=\"readme\">\n";
6632 insert_file("$projectroot/$project/README.html");
6633 print "\n</div>\n"; # class="readme"
6634 }
6635
6636 # we need to request one more than 16 (0..15) to check if
6637 # those 16 are all
6638 my @commitlist = $head ? parse_commits($head, 17) : ();
6639 if (@commitlist) {
6640 git_print_header_div('shortlog');
6641 git_shortlog_body(\@commitlist, 0, 15, $refs,
6642 $#commitlist <= 15 ? undef :
6643 $cgi->a({-href => href(action=>"shortlog")}, "..."));
6644 }
6645
6646 if (@taglist) {
6647 git_print_header_div('tags');
6648 git_tags_body(\@taglist, 0, 15,
6649 $#taglist <= 15 ? undef :
6650 $cgi->a({-href => href(action=>"tags")}, "..."));
6651 }
6652
6653 if (@headlist) {
6654 git_print_header_div('heads');
6655 git_heads_body(\@headlist, $head, 0, 15,
6656 $#headlist <= 15 ? undef :
6657 $cgi->a({-href => href(action=>"heads")}, "..."));
6658 }
6659
6660 if (%remotedata) {
6661 git_print_header_div('remotes');
6662 git_remotes_body(\%remotedata, 15, $head);
6663 }
6664
6665 if (@forklist) {
6666 git_print_header_div('forks');
6667 git_project_list_body(\@forklist, 'age', 0, 15,
6668 $#forklist <= 15 ? undef :
6669 $cgi->a({-href => href(action=>"forks")}, "..."),
6670 'no_header');
6671 }
6672
6673 git_footer_html();
6674 }
6675
6676 sub git_tag {
6677 my %tag = parse_tag($hash);
6678
6679 if (! %tag) {
6680 die_error(404, "Unknown tag object");
6681 }
6682
6683 my $head = git_get_head_hash($project);
6684 git_header_html();
6685 git_print_page_nav('','', $head,undef,$head);
6686 git_print_header_div('commit', esc_html($tag{'name'}), $hash);
6687 print "<div class=\"title_text\">\n" .
6688 "<table class=\"object_header\">\n" .
6689 "<tr>\n" .
6690 "<th>object</th>\n" .
6691 "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
6692 $tag{'object'}) . "</td>\n" .
6693 "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
6694 $tag{'type'}) . "</td>\n" .
6695 "</tr>\n";
6696 if (defined($tag{'author'})) {
6697 git_print_authorship_rows(\%tag, 'author');
6698 }
6699 print "</table>\n\n" .
6700 "</div>\n";
6701 print "<div class=\"page_body\">";
6702 my $comment = $tag{'comment'};
6703 foreach my $line (@$comment) {
6704 chomp $line;
6705 print esc_html($line, -nbsp=>1) . "<br/>\n";
6706 }
6707 print "</div>\n";
6708 git_footer_html();
6709 }
6710
6711 sub git_blame_common {
6712 my $format = shift || 'porcelain';
6713 if ($format eq 'porcelain' && $input_params{'javascript'}) {
6714 $format = 'incremental';
6715 $action = 'blame_incremental'; # for page title etc
6716 }
6717
6718 # permissions
6719 gitweb_check_feature('blame')
6720 or die_error(403, "Blame view not allowed");
6721
6722 # error checking
6723 die_error(400, "No file name given") unless $file_name;
6724 $hash_base ||= git_get_head_hash($project);
6725 die_error(404, "Couldn't find base commit") unless $hash_base;
6726 my %co = parse_commit($hash_base)
6727 or die_error(404, "Commit not found");
6728 my $ftype = "blob";
6729 if (!defined $hash) {
6730 $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
6731 or die_error(404, "Error looking up file");
6732 } else {
6733 $ftype = git_get_type($hash);
6734 if ($ftype !~ "blob") {
6735 die_error(400, "Object is not a blob");
6736 }
6737 }
6738
6739 my $fd;
6740 if ($format eq 'incremental') {
6741 # get file contents (as base)
6742 open $fd, "-|", git_cmd(), 'cat-file', 'blob', $hash
6743 or die_error(500, "Open git-cat-file failed");
6744 } elsif ($format eq 'data') {
6745 # run git-blame --incremental
6746 open $fd, "-|", git_cmd(), "blame", "--incremental",
6747 $hash_base, "--", $file_name
6748 or die_error(500, "Open git-blame --incremental failed");
6749 } else {
6750 # run git-blame --porcelain
6751 open $fd, "-|", git_cmd(), "blame", '-p',
6752 $hash_base, '--', $file_name
6753 or die_error(500, "Open git-blame --porcelain failed");
6754 }
6755 binmode $fd, ':utf8';
6756
6757 # incremental blame data returns early
6758 if ($format eq 'data') {
6759 print $cgi->header(
6760 -type=>"text/plain", -charset => "utf-8",
6761 -status=> "200 OK");
6762 local $| = 1; # output autoflush
6763 while (my $line = <$fd>) {
6764 print to_utf8($line);
6765 }
6766 close $fd
6767 or print "ERROR $!\n";
6768
6769 print 'END';
6770 if (defined $t0 && gitweb_check_feature('timed')) {
6771 print ' '.
6772 tv_interval($t0, [ gettimeofday() ]).
6773 ' '.$number_of_git_cmds;
6774 }
6775 print "\n";
6776
6777 return;
6778 }
6779
6780 # page header
6781 git_header_html();
6782 my $formats_nav =
6783 $cgi->a({-href => href(action=>"blob", -replay=>1)},
6784 "blob") .
6785 " | ";
6786 if ($format eq 'incremental') {
6787 $formats_nav .=
6788 $cgi->a({-href => href(action=>"blame", javascript=>0, -replay=>1)},
6789 "blame") . " (non-incremental)";
6790 } else {
6791 $formats_nav .=
6792 $cgi->a({-href => href(action=>"blame_incremental", -replay=>1)},
6793 "blame") . " (incremental)";
6794 }
6795 $formats_nav .=
6796 " | " .
6797 $cgi->a({-href => href(action=>"history", -replay=>1)},
6798 "history") .
6799 " | " .
6800 $cgi->a({-href => href(action=>$action, file_name=>$file_name)},
6801 "HEAD");
6802 git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
6803 git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
6804 git_print_page_path($file_name, $ftype, $hash_base);
6805
6806 # page body
6807 if ($format eq 'incremental') {
6808 print "<noscript>\n<div class=\"error\"><center><b>\n".
6809 "This page requires JavaScript to run.\n Use ".
6810 $cgi->a({-href => href(action=>'blame',javascript=>0,-replay=>1)},
6811 'this page').
6812 " instead.\n".
6813 "</b></center></div>\n</noscript>\n";
6814
6815 print qq!<div id="progress_bar" style="width: 100%; background-color: yellow"></div>\n!;
6816 }
6817
6818 print qq!<div class="page_body">\n!;
6819 print qq!<div id="progress_info">... / ...</div>\n!
6820 if ($format eq 'incremental');
6821 print qq!<table id="blame_table" class="blame" width="100%">\n!.
6822 #qq!<col width="5.5em" /><col width="2.5em" /><col width="*" />\n!.
6823 qq!<thead>\n!.
6824 qq!<tr><th>Commit</th><th>Line</th><th>Data</th></tr>\n!.
6825 qq!</thead>\n!.
6826 qq!<tbody>\n!;
6827
6828 my @rev_color = qw(light dark);
6829 my $num_colors = scalar(@rev_color);
6830 my $current_color = 0;
6831
6832 if ($format eq 'incremental') {
6833 my $color_class = $rev_color[$current_color];
6834
6835 #contents of a file
6836 my $linenr = 0;
6837 LINE:
6838 while (my $line = <$fd>) {
6839 chomp $line;
6840 $linenr++;
6841
6842 print qq!<tr id="l$linenr" class="$color_class">!.
6843 qq!<td class="sha1"><a href=""> </a></td>!.
6844 qq!<td class="linenr">!.
6845 qq!<a class="linenr" href="">$linenr</a></td>!;
6846 print qq!<td class="pre">! . esc_html($line) . "</td>\n";
6847 print qq!</tr>\n!;
6848 }
6849
6850 } else { # porcelain, i.e. ordinary blame
6851 my %metainfo = (); # saves information about commits
6852
6853 # blame data
6854 LINE:
6855 while (my $line = <$fd>) {
6856 chomp $line;
6857 # the header: <SHA-1> <src lineno> <dst lineno> [<lines in group>]
6858 # no <lines in group> for subsequent lines in group of lines
6859 my ($full_rev, $orig_lineno, $lineno, $group_size) =
6860 ($line =~ /^($oid_regex) (\d+) (\d+)(?: (\d+))?$/);
6861 if (!exists $metainfo{$full_rev}) {
6862 $metainfo{$full_rev} = { 'nprevious' => 0 };
6863 }
6864 my $meta = $metainfo{$full_rev};
6865 my $data;
6866 while ($data = <$fd>) {
6867 chomp $data;
6868 last if ($data =~ s/^\t//); # contents of line
6869 if ($data =~ /^(\S+)(?: (.*))?$/) {
6870 $meta->{$1} = $2 unless exists $meta->{$1};
6871 }
6872 if ($data =~ /^previous /) {
6873 $meta->{'nprevious'}++;
6874 }
6875 }
6876 my $short_rev = substr($full_rev, 0, 8);
6877 my $author = $meta->{'author'};
6878 my %date =
6879 parse_date($meta->{'author-time'}, $meta->{'author-tz'});
6880 my $date = $date{'iso-tz'};
6881 if ($group_size) {
6882 $current_color = ($current_color + 1) % $num_colors;
6883 }
6884 my $tr_class = $rev_color[$current_color];
6885 $tr_class .= ' boundary' if (exists $meta->{'boundary'});
6886 $tr_class .= ' no-previous' if ($meta->{'nprevious'} == 0);
6887 $tr_class .= ' multiple-previous' if ($meta->{'nprevious'} > 1);
6888 print "<tr id=\"l$lineno\" class=\"$tr_class\">\n";
6889 if ($group_size) {
6890 print "<td class=\"sha1\"";
6891 print " title=\"". esc_html($author) . ", $date\"";
6892 print " rowspan=\"$group_size\"" if ($group_size > 1);
6893 print ">";
6894 print $cgi->a({-href => href(action=>"commit",
6895 hash=>$full_rev,
6896 file_name=>$file_name)},
6897 esc_html($short_rev));
6898 if ($group_size >= 2) {
6899 my @author_initials = ($author =~ /\b([[:upper:]])\B/g);
6900 if (@author_initials) {
6901 print "<br />" .
6902 esc_html(join('', @author_initials));
6903 # or join('.', ...)
6904 }
6905 }
6906 print "</td>\n";
6907 }
6908 # 'previous' <sha1 of parent commit> <filename at commit>
6909 if (exists $meta->{'previous'} &&
6910 $meta->{'previous'} =~ /^($oid_regex) (.*)$/) {
6911 $meta->{'parent'} = $1;
6912 $meta->{'file_parent'} = unquote($2);
6913 }
6914 my $linenr_commit =
6915 exists($meta->{'parent'}) ?
6916 $meta->{'parent'} : $full_rev;
6917 my $linenr_filename =
6918 exists($meta->{'file_parent'}) ?
6919 $meta->{'file_parent'} : unquote($meta->{'filename'});
6920 my $blamed = href(action => 'blame',
6921 file_name => $linenr_filename,
6922 hash_base => $linenr_commit);
6923 print "<td class=\"linenr\">";
6924 print $cgi->a({ -href => "$blamed#l$orig_lineno",
6925 -class => "linenr" },
6926 esc_html($lineno));
6927 print "</td>";
6928 print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
6929 print "</tr>\n";
6930 } # end while
6931
6932 }
6933
6934 # footer
6935 print "</tbody>\n".
6936 "</table>\n"; # class="blame"
6937 print "</div>\n"; # class="blame_body"
6938 close $fd
6939 or print "Reading blob failed\n";
6940
6941 git_footer_html();
6942 }
6943
6944 sub git_blame {
6945 git_blame_common();
6946 }
6947
6948 sub git_blame_incremental {
6949 git_blame_common('incremental');
6950 }
6951
6952 sub git_blame_data {
6953 git_blame_common('data');
6954 }
6955
6956 sub git_tags {
6957 my $head = git_get_head_hash($project);
6958 git_header_html();
6959 git_print_page_nav('','', $head,undef,$head,format_ref_views('tags'));
6960 git_print_header_div('summary', $project);
6961
6962 my @tagslist = git_get_tags_list();
6963 if (@tagslist) {
6964 git_tags_body(\@tagslist);
6965 }
6966 git_footer_html();
6967 }
6968
6969 sub git_heads {
6970 my $head = git_get_head_hash($project);
6971 git_header_html();
6972 git_print_page_nav('','', $head,undef,$head,format_ref_views('heads'));
6973 git_print_header_div('summary', $project);
6974
6975 my @headslist = git_get_heads_list();
6976 if (@headslist) {
6977 git_heads_body(\@headslist, $head);
6978 }
6979 git_footer_html();
6980 }
6981
6982 # used both for single remote view and for list of all the remotes
6983 sub git_remotes {
6984 gitweb_check_feature('remote_heads')
6985 or die_error(403, "Remote heads view is disabled");
6986
6987 my $head = git_get_head_hash($project);
6988 my $remote = $input_params{'hash'};
6989
6990 my $remotedata = git_get_remotes_list($remote);
6991 die_error(500, "Unable to get remote information") unless defined $remotedata;
6992
6993 unless (%$remotedata) {
6994 die_error(404, defined $remote ?
6995 "Remote $remote not found" :
6996 "No remotes found");
6997 }
6998
6999 git_header_html(undef, undef, -action_extra => $remote);
7000 git_print_page_nav('', '', $head, undef, $head,
7001 format_ref_views($remote ? '' : 'remotes'));
7002
7003 fill_remote_heads($remotedata);
7004 if (defined $remote) {
7005 git_print_header_div('remotes', "$remote remote for $project");
7006 git_remote_block($remote, $remotedata->{$remote}, undef, $head);
7007 } else {
7008 git_print_header_div('summary', "$project remotes");
7009 git_remotes_body($remotedata, undef, $head);
7010 }
7011
7012 git_footer_html();
7013 }
7014
7015 sub git_blob_plain {
7016 my $type = shift;
7017 my $expires;
7018
7019 if (!defined $hash) {
7020 if (defined $file_name) {
7021 my $base = $hash_base || git_get_head_hash($project);
7022 $hash = git_get_hash_by_path($base, $file_name, "blob")
7023 or die_error(404, "Cannot find file");
7024 } else {
7025 die_error(400, "No file name defined");
7026 }
7027 } elsif ($hash =~ m/^$oid_regex$/) {
7028 # blobs defined by non-textual hash id's can be cached
7029 $expires = "+1d";
7030 }
7031
7032 open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
7033 or die_error(500, "Open git-cat-file blob '$hash' failed");
7034
7035 # content-type (can include charset)
7036 $type = blob_contenttype($fd, $file_name, $type);
7037
7038 # "save as" filename, even when no $file_name is given
7039 my $save_as = "$hash";
7040 if (defined $file_name) {
7041 $save_as = $file_name;
7042 } elsif ($type =~ m/^text\//) {
7043 $save_as .= '.txt';
7044 }
7045
7046 # With XSS prevention on, blobs of all types except a few known safe
7047 # ones are served with "Content-Disposition: attachment" to make sure
7048 # they don't run in our security domain. For certain image types,
7049 # blob view writes an <img> tag referring to blob_plain view, and we
7050 # want to be sure not to break that by serving the image as an
7051 # attachment (though Firefox 3 doesn't seem to care).
7052 my $sandbox = $prevent_xss &&
7053 $type !~ m!^(?:text/[a-z]+|image/(?:gif|png|jpeg))(?:[ ;]|$)!;
7054
7055 # serve text/* as text/plain
7056 if ($prevent_xss &&
7057 ($type =~ m!^text/[a-z]+\b(.*)$! ||
7058 ($type =~ m!^[a-z]+/[a-z]\+xml\b(.*)$! && -T $fd))) {
7059 my $rest = $1;
7060 $rest = defined $rest ? $rest : '';
7061 $type = "text/plain$rest";
7062 }
7063
7064 print $cgi->header(
7065 -type => $type,
7066 -expires => $expires,
7067 -content_disposition =>
7068 ($sandbox ? 'attachment' : 'inline')
7069 . '; filename="' . $save_as . '"');
7070 local $/ = undef;
7071 local *FCGI::Stream::PRINT = $FCGI_Stream_PRINT_raw;
7072 binmode STDOUT, ':raw';
7073 print <$fd>;
7074 binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
7075 close $fd;
7076 }
7077
7078 sub git_blob {
7079 my $expires;
7080
7081 if (!defined $hash) {
7082 if (defined $file_name) {
7083 my $base = $hash_base || git_get_head_hash($project);
7084 $hash = git_get_hash_by_path($base, $file_name, "blob")
7085 or die_error(404, "Cannot find file");
7086 } else {
7087 die_error(400, "No file name defined");
7088 }
7089 } elsif ($hash =~ m/^$oid_regex$/) {
7090 # blobs defined by non-textual hash id's can be cached
7091 $expires = "+1d";
7092 }
7093
7094 my $have_blame = gitweb_check_feature('blame');
7095 open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
7096 or die_error(500, "Couldn't cat $file_name, $hash");
7097 my $mimetype = blob_mimetype($fd, $file_name);
7098 # use 'blob_plain' (aka 'raw') view for files that cannot be displayed
7099 if ($mimetype !~ m!^(?:text/|image/(?:gif|png|jpeg)$)! && -B $fd) {
7100 close $fd;
7101 return git_blob_plain($mimetype);
7102 }
7103 # we can have blame only for text/* mimetype
7104 $have_blame &&= ($mimetype =~ m!^text/!);
7105
7106 my $highlight = gitweb_check_feature('highlight');
7107 my $syntax = guess_file_syntax($highlight, $file_name);
7108 $fd = run_highlighter($fd, $highlight, $syntax);
7109
7110 git_header_html(undef, $expires);
7111 my $formats_nav = '';
7112 if (defined $hash_base && (my %co = parse_commit($hash_base))) {
7113 if (defined $file_name) {
7114 if ($have_blame) {
7115 $formats_nav .=
7116 $cgi->a({-href => href(action=>"blame", -replay=>1)},
7117 "blame") .
7118 " | ";
7119 }
7120 $formats_nav .=
7121 $cgi->a({-href => href(action=>"history", -replay=>1)},
7122 "history") .
7123 " | " .
7124 $cgi->a({-href => href(action=>"blob_plain", -replay=>1)},
7125 "raw") .
7126 " | " .
7127 $cgi->a({-href => href(action=>"blob",
7128 hash_base=>"HEAD", file_name=>$file_name)},
7129 "HEAD");
7130 } else {
7131 $formats_nav .=
7132 $cgi->a({-href => href(action=>"blob_plain", -replay=>1)},
7133 "raw");
7134 }
7135 git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
7136 git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
7137 } else {
7138 git_end_subhead_html();
7139 print "<div class=\"title\">".esc_html($hash)."</div>\n";
7140 }
7141 git_print_page_path($file_name, "blob", $hash_base);
7142 print "<div class=\"page_body\">\n";
7143 if ($mimetype =~ m!^image/!) {
7144 print qq!<img class="blob" type="!.esc_attr($mimetype).qq!"!;
7145 if ($file_name) {
7146 print qq! alt="!.esc_attr($file_name).qq!" title="!.esc_attr($file_name).qq!"!;
7147 }
7148 print qq! src="! .
7149 esc_attr(href(action=>"blob_plain", hash=>$hash,
7150 hash_base=>$hash_base, file_name=>$file_name)) .
7151 qq!" />\n!;
7152 } else {
7153 my $nr;
7154 while (my $line = <$fd>) {
7155 chomp $line;
7156 $nr++;
7157 $line = untabify($line);
7158 printf qq!<div class="pre"><a id="l%i" href="%s#l%i" class="linenr">%4i </a>%s</div>\n!,
7159 $nr, esc_attr(href(-replay => 1)), $nr, $nr,
7160 $highlight ? sanitize($line) : esc_html($line, -nbsp=>1);
7161 }
7162 }
7163 close $fd
7164 or print "Reading blob failed.\n";
7165 print "</div>";
7166 git_footer_html();
7167 }
7168
7169 sub git_tree {
7170 if (!defined $hash_base) {
7171 $hash_base = "HEAD";
7172 }
7173 if (!defined $hash) {
7174 if (defined $file_name) {
7175 $hash = git_get_hash_by_path($hash_base, $file_name, "tree");
7176 } else {
7177 $hash = $hash_base;
7178 }
7179 }
7180 die_error(404, "No such tree") unless defined($hash);
7181
7182 my $show_sizes = gitweb_check_feature('show-sizes');
7183 my $have_blame = gitweb_check_feature('blame');
7184
7185 my @entries = ();
7186 {
7187 local $/ = "\0";
7188 open my $fd, "-|", git_cmd(), "ls-tree", '-z',
7189 ($show_sizes ? '-l' : ()), @extra_options, $hash
7190 or die_error(500, "Open git-ls-tree failed");
7191 @entries = map { chomp; $_ } <$fd>;
7192 close $fd
7193 or die_error(404, "Reading tree failed");
7194 }
7195
7196 my $refs = git_get_references();
7197 my $ref = format_ref_marker($refs, $hash_base);
7198 git_header_html();
7199 my $basedir = '';
7200 if (defined $hash_base && (my %co = parse_commit($hash_base))) {
7201 my @views_nav = ();
7202 if (defined $file_name) {
7203 push @views_nav,
7204 $cgi->a({-href => href(action=>"history", -replay=>1)},
7205 "history"),
7206 $cgi->a({-href => href(action=>"tree",
7207 hash_base=>"HEAD", file_name=>$file_name)},
7208 "HEAD"),
7209 }
7210 my $snapshot_links = format_snapshot_links($hash);
7211 if (defined $snapshot_links) {
7212 # FIXME: Should be available when we have no hash base as well.
7213 push @views_nav, $snapshot_links;
7214 }
7215 git_print_page_nav('tree','', $hash_base, undef, undef,
7216 join(' | ', @views_nav));
7217 git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
7218 } else {
7219 undef $hash_base;
7220 git_end_subhead_html();
7221 print "<div class=\"title\">".esc_html($hash)."</div>\n";
7222 }
7223 if (defined $file_name) {
7224 $basedir = $file_name;
7225 if ($basedir ne '' && substr($basedir, -1) ne '/') {
7226 $basedir .= '/';
7227 }
7228 git_print_page_path($file_name, 'tree', $hash_base);
7229 }
7230 print "<div class=\"page_body\">\n";
7231 print "<table class=\"tree\">\n";
7232 my $alternate = 1;
7233 # '..' (top directory) link if possible
7234 if (defined $hash_base &&
7235 defined $file_name && $file_name =~ m![^/]+$!) {
7236 if ($alternate) {
7237 print "<tr class=\"dark\">\n";
7238 } else {
7239 print "<tr class=\"light\">\n";
7240 }
7241 $alternate ^= 1;
7242
7243 my $up = $file_name;
7244 $up =~ s!/?[^/]+$!!;
7245 undef $up unless $up;
7246 # based on git_print_tree_entry
7247 print '<td class="mode">' . mode_str('040000') . "</td>\n";
7248 print '<td class="size">&nbsp;</td>'."\n" if $show_sizes;
7249 print '<td class="list">';
7250 print $cgi->a({-href => href(action=>"tree",
7251 hash_base=>$hash_base,
7252 file_name=>$up)},
7253 "..");
7254 print "</td>\n";
7255 print "<td class=\"link\"></td>\n";
7256
7257 print "</tr>\n";
7258 }
7259 foreach my $line (@entries) {
7260 my %t = parse_ls_tree_line($line, -z => 1, -l => $show_sizes);
7261
7262 if ($alternate) {
7263 print "<tr class=\"dark\">\n";
7264 } else {
7265 print "<tr class=\"light\">\n";
7266 }
7267 $alternate ^= 1;
7268
7269 git_print_tree_entry(\%t, $basedir, $hash_base, $have_blame);
7270
7271 print "</tr>\n";
7272 }
7273 print "</table>\n" .
7274 "</div>";
7275 git_footer_html();
7276 }
7277
7278 sub sanitize_for_filename {
7279 my $name = shift;
7280
7281 $name =~ s!/!-!g;
7282 $name =~ s/[^[:alnum:]_.-]//g;
7283
7284 return $name;
7285 }
7286
7287 sub snapshot_name {
7288 my ($project, $hash) = @_;
7289
7290 # path/to/project.git -> project
7291 # path/to/project/.git -> project
7292 my $name = to_utf8($project);
7293 $name =~ s,([^/])/*\.git$,$1,;
7294 $name = sanitize_for_filename(basename($name));
7295
7296 my $ver = $hash;
7297 if ($hash =~ /^[0-9a-fA-F]+$/) {
7298 # shorten SHA-1 hash
7299 my $full_hash = git_get_full_hash($project, $hash);
7300 if ($full_hash =~ /^$hash/ && length($hash) > 7) {
7301 $ver = git_get_short_hash($project, $hash);
7302 }
7303 } elsif ($hash =~ m!^refs/tags/(.*)$!) {
7304 # tags don't need shortened SHA-1 hash
7305 $ver = $1;
7306 } else {
7307 # branches and other need shortened SHA-1 hash
7308 my $strip_refs = join '|', map { quotemeta } get_branch_refs();
7309 if ($hash =~ m!^refs/($strip_refs|remotes)/(.*)$!) {
7310 my $ref_dir = (defined $1) ? $1 : '';
7311 $ver = $2;
7312
7313 $ref_dir = sanitize_for_filename($ref_dir);
7314 # for refs neither in heads nor remotes we want to
7315 # add a ref dir to archive name
7316 if ($ref_dir ne '' and $ref_dir ne 'heads' and $ref_dir ne 'remotes') {
7317 $ver = $ref_dir . '-' . $ver;
7318 }
7319 }
7320 $ver .= '-' . git_get_short_hash($project, $hash);
7321 }
7322 # special case of sanitization for filename - we change
7323 # slashes to dots instead of dashes
7324 # in case of hierarchical branch names
7325 $ver =~ s!/!.!g;
7326 $ver =~ s/[^[:alnum:]_.-]//g;
7327
7328 # name = project-version_string
7329 $name = "$name-$ver";
7330
7331 return wantarray ? ($name, $name) : $name;
7332 }
7333
7334 sub exit_if_unmodified_since {
7335 my ($latest_epoch) = @_;
7336 our $cgi;
7337
7338 my $if_modified = $cgi->http('IF_MODIFIED_SINCE');
7339 if (defined $if_modified) {
7340 my $since;
7341 if (eval { require HTTP::Date; 1; }) {
7342 $since = HTTP::Date::str2time($if_modified);
7343 } elsif (eval { require Time::ParseDate; 1; }) {
7344 $since = Time::ParseDate::parsedate($if_modified, GMT => 1);
7345 }
7346 if (defined $since && $latest_epoch <= $since) {
7347 my %latest_date = parse_date($latest_epoch);
7348 print $cgi->header(
7349 -last_modified => $latest_date{'rfc2822'},
7350 -status => '304 Not Modified');
7351 goto DONE_GITWEB;
7352 }
7353 }
7354 }
7355
7356 sub git_snapshot {
7357 my $format = $input_params{'snapshot_format'};
7358 if (!@snapshot_fmts) {
7359 die_error(403, "Snapshots not allowed");
7360 }
7361 # default to first supported snapshot format
7362 $format ||= $snapshot_fmts[0];
7363 if ($format !~ m/^[a-z0-9]+$/) {
7364 die_error(400, "Invalid snapshot format parameter");
7365 } elsif (!exists($known_snapshot_formats{$format})) {
7366 die_error(400, "Unknown snapshot format");
7367 } elsif ($known_snapshot_formats{$format}{'disabled'}) {
7368 die_error(403, "Snapshot format not allowed");
7369 } elsif (!grep($_ eq $format, @snapshot_fmts)) {
7370 die_error(403, "Unsupported snapshot format");
7371 }
7372
7373 my $type = git_get_type("$hash^{}");
7374 if (!$type) {
7375 die_error(404, 'Object does not exist');
7376 } elsif ($type eq 'blob') {
7377 die_error(400, 'Object is not a tree-ish');
7378 }
7379
7380 my ($name, $prefix) = snapshot_name($project, $hash);
7381 my $filename = "$name$known_snapshot_formats{$format}{'suffix'}";
7382
7383 my %co = parse_commit($hash);
7384 exit_if_unmodified_since($co{'committer_epoch'}) if %co;
7385
7386 my $cmd = quote_command(
7387 git_cmd(), 'archive',
7388 "--format=$known_snapshot_formats{$format}{'format'}",
7389 "--prefix=$prefix/", $hash);
7390 if (exists $known_snapshot_formats{$format}{'compressor'}) {
7391 $cmd .= ' | ' . quote_command(@{$known_snapshot_formats{$format}{'compressor'}});
7392 }
7393
7394 $filename =~ s/(["\\])/\\$1/g;
7395 my %latest_date;
7396 if (%co) {
7397 %latest_date = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
7398 }
7399
7400 print $cgi->header(
7401 -type => $known_snapshot_formats{$format}{'type'},
7402 -content_disposition => 'inline; filename="' . $filename . '"',
7403 %co ? (-last_modified => $latest_date{'rfc2822'}) : (),
7404 -status => '200 OK');
7405
7406 open my $fd, "-|", $cmd
7407 or die_error(500, "Execute git-archive failed");
7408 local *FCGI::Stream::PRINT = $FCGI_Stream_PRINT_raw;
7409 binmode STDOUT, ':raw';
7410 print <$fd>;
7411 binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
7412 close $fd;
7413 }
7414
7415 sub git_log_generic {
7416 my ($fmt_name, $body_subr, $base, $parent, $file_name, $file_hash) = @_;
7417
7418 my $head = git_get_head_hash($project);
7419 if (!defined $base) {
7420 $base = $head;
7421 }
7422 if (!defined $page) {
7423 $page = 0;
7424 }
7425 my $refs = git_get_references();
7426
7427 my $commit_hash = $base;
7428 if (defined $parent) {
7429 $commit_hash = "$parent..$base";
7430 }
7431 my @commitlist =
7432 parse_commits($commit_hash, 101, (100 * $page),
7433 defined $file_name ? ($file_name, "--full-history") : ());
7434
7435 my $ftype;
7436 if (!defined $file_hash && defined $file_name) {
7437 # some commits could have deleted file in question,
7438 # and not have it in tree, but one of them has to have it
7439 for (my $i = 0; $i < @commitlist; $i++) {
7440 $file_hash = git_get_hash_by_path($commitlist[$i]{'id'}, $file_name);
7441 last if defined $file_hash;
7442 }
7443 }
7444 if (defined $file_hash) {
7445 $ftype = git_get_type($file_hash);
7446 }
7447 if (defined $file_name && !defined $ftype) {
7448 die_error(500, "Unknown type of object");
7449 }
7450 my %co;
7451 if (defined $file_name) {
7452 %co = parse_commit($base)
7453 or die_error(404, "Unknown commit object");
7454 }
7455
7456
7457 my $paging_nav = format_paging_nav($fmt_name, $page, $#commitlist >= 100);
7458 my $next_link = '';
7459 if ($#commitlist >= 100) {
7460 $next_link =
7461 $cgi->a({-href => href(-replay=>1, page=>$page+1),
7462 -accesskey => "n", -title => "Alt-n"}, "next");
7463 }
7464 my $patch_max = gitweb_get_feature('patches');
7465 if ($patch_max && !defined $file_name &&
7466 !gitweb_check_feature('email-privacy')) {
7467 if ($patch_max < 0 || @commitlist <= $patch_max) {
7468 $paging_nav .= " &sdot; " .
7469 $cgi->a({-href => href(action=>"patches", -replay=>1)},
7470 "patches");
7471 }
7472 }
7473
7474 git_header_html();
7475 git_print_page_nav($fmt_name,'', $hash,$hash,$hash, $paging_nav);
7476 if (defined $file_name) {
7477 git_print_header_div('commit', esc_html($co{'title'}), $base);
7478 } else {
7479 git_print_header_div('summary', $project)
7480 }
7481 git_print_page_path($file_name, $ftype, $hash_base)
7482 if (defined $file_name);
7483
7484 $body_subr->(\@commitlist, 0, 99, $refs, $next_link,
7485 $file_name, $file_hash, $ftype);
7486
7487 git_footer_html();
7488 }
7489
7490 sub git_log {
7491 git_log_generic('log', \&git_log_body,
7492 $hash, $hash_parent);
7493 }
7494
7495 sub git_commit {
7496 $hash ||= $hash_base || "HEAD";
7497 my %co = parse_commit($hash)
7498 or die_error(404, "Unknown commit object");
7499
7500 my $parent = $co{'parent'};
7501 my $parents = $co{'parents'}; # listref
7502
7503 # we need to prepare $formats_nav before any parameter munging
7504 my $formats_nav;
7505 if (!defined $parent) {
7506 # --root commitdiff
7507 $formats_nav .= '(initial)';
7508 } elsif (@$parents == 1) {
7509 # single parent commit
7510 $formats_nav .=
7511 '(parent: ' .
7512 $cgi->a({-href => href(action=>"commit",
7513 hash=>$parent)},
7514 esc_html(substr($parent, 0, 7))) .
7515 ')';
7516 } else {
7517 # merge commit
7518 $formats_nav .=
7519 '(merge: ' .
7520 join(' ', map {
7521 $cgi->a({-href => href(action=>"commit",
7522 hash=>$_)},
7523 esc_html(substr($_, 0, 7)));
7524 } @$parents ) .
7525 ')';
7526 }
7527 if (gitweb_check_feature('patches') && @$parents <= 1 &&
7528 !gitweb_check_feature('email-privacy')) {
7529 $formats_nav .= " | " .
7530 $cgi->a({-href => href(action=>"patch", -replay=>1)},
7531 "patch");
7532 }
7533
7534 if (!defined $parent) {
7535 $parent = "--root";
7536 }
7537 my @difftree;
7538 open my $fd, "-|", git_cmd(), "diff-tree", '-r', "--no-commit-id",
7539 @diff_opts,
7540 (@$parents <= 1 ? $parent : '-c'),
7541 $hash, "--"
7542 or die_error(500, "Open git-diff-tree failed");
7543 @difftree = map { chomp; $_ } <$fd>;
7544 close $fd or die_error(404, "Reading git-diff-tree failed");
7545
7546 # non-textual hash id's can be cached
7547 my $expires;
7548 if ($hash =~ m/^$oid_regex$/) {
7549 $expires = "+1d";
7550 }
7551 my $refs = git_get_references();
7552 my $ref = format_ref_marker($refs, $co{'id'});
7553
7554 git_header_html(undef, $expires);
7555 git_print_page_nav('commit', '',
7556 $hash, $co{'tree'}, $hash,
7557 $formats_nav);
7558
7559 if (defined $co{'parent'}) {
7560 git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
7561 } else {
7562 git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
7563 }
7564 print "<div class=\"title_text\">\n" .
7565 "<table class=\"object_header\">\n";
7566 git_print_authorship_rows(\%co);
7567 print "<tr><th>commit</th><td class=\"sha1\">$co{'id'}</td></tr>\n";
7568 print "<tr>" .
7569 "<th>tree</th>" .
7570 "<td class=\"sha1\">" .
7571 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
7572 class => "list"}, $co{'tree'}) .
7573 "</td>" .
7574 "<td class=\"link\">" .
7575 $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
7576 "tree");
7577 my $snapshot_links = format_snapshot_links($hash);
7578 if (defined $snapshot_links) {
7579 print " | " . $snapshot_links;
7580 }
7581 print "</td>" .
7582 "</tr>\n";
7583
7584 foreach my $par (@$parents) {
7585 print "<tr>" .
7586 "<th>parent</th>" .
7587 "<td class=\"sha1\">" .
7588 $cgi->a({-href => href(action=>"commit", hash=>$par),
7589 class => "list"}, $par) .
7590 "</td>" .
7591 "<td class=\"link\">" .
7592 $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
7593 " | " .
7594 $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "diff") .
7595 "</td>" .
7596 "</tr>\n";
7597 }
7598 print "</table>".
7599 "</div>\n";
7600
7601 print "<div class=\"page_body\">\n";
7602 git_print_log($co{'comment'});
7603 print "</div>\n";
7604
7605 git_difftree_body(\@difftree, $hash, @$parents);
7606
7607 git_footer_html();
7608 }
7609
7610 sub git_object {
7611 # object is defined by:
7612 # - hash or hash_base alone
7613 # - hash_base and file_name
7614 my $type;
7615
7616 # - hash or hash_base alone
7617 if ($hash || ($hash_base && !defined $file_name)) {
7618 my $object_id = $hash || $hash_base;
7619
7620 open my $fd, "-|", quote_command(
7621 git_cmd(), 'cat-file', '-t', $object_id) . ' 2> /dev/null'
7622 or die_error(404, "Object does not exist");
7623 $type = <$fd>;
7624 defined $type && chomp $type;
7625 close $fd
7626 or die_error(404, "Object does not exist");
7627
7628 # - hash_base and file_name
7629 } elsif ($hash_base && defined $file_name) {
7630 $file_name =~ s,/+$,,;
7631
7632 system(git_cmd(), "cat-file", '-e', $hash_base) == 0
7633 or die_error(404, "Base object does not exist");
7634
7635 # here errors should not happen
7636 open my $fd, "-|", git_cmd(), "ls-tree", $hash_base, "--", $file_name
7637 or die_error(500, "Open git-ls-tree failed");
7638 my $line = <$fd>;
7639 close $fd;
7640
7641 #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
7642 unless ($line && $line =~ m/^([0-9]+) (.+) ($oid_regex)\t/) {
7643 die_error(404, "File or directory for given base does not exist");
7644 }
7645 $type = $2;
7646 $hash = $3;
7647 } else {
7648 die_error(400, "Not enough information to find object");
7649 }
7650
7651 print $cgi->redirect(-uri => href(action=>$type, -full=>1,
7652 hash=>$hash, hash_base=>$hash_base,
7653 file_name=>$file_name),
7654 -status => '302 Found');
7655 }
7656
7657 sub git_blobdiff {
7658 my $format = shift || 'html';
7659 my $diff_style = $input_params{'diff_style'} || 'inline';
7660
7661 my $fd;
7662 my @difftree;
7663 my %diffinfo;
7664 my $expires;
7665
7666 # preparing $fd and %diffinfo for git_patchset_body
7667 # new style URI
7668 if (defined $hash_base && defined $hash_parent_base) {
7669 if (defined $file_name) {
7670 # read raw output
7671 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7672 $hash_parent_base, $hash_base,
7673 "--", (defined $file_parent ? $file_parent : ()), $file_name
7674 or die_error(500, "Open git-diff-tree failed");
7675 @difftree = map { chomp; $_ } <$fd>;
7676 close $fd
7677 or die_error(404, "Reading git-diff-tree failed");
7678 @difftree
7679 or die_error(404, "Blob diff not found");
7680
7681 } elsif (defined $hash &&
7682 $hash =~ $oid_regex) {
7683 # try to find filename from $hash
7684
7685 # read filtered raw output
7686 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7687 $hash_parent_base, $hash_base, "--"
7688 or die_error(500, "Open git-diff-tree failed");
7689 @difftree =
7690 # ':100644 100644 03b21826... 3b93d5e7... M ls-files.c'
7691 # $hash == to_id
7692 grep { /^:[0-7]{6} [0-7]{6} $oid_regex $hash/ }
7693 map { chomp; $_ } <$fd>;
7694 close $fd
7695 or die_error(404, "Reading git-diff-tree failed");
7696 @difftree
7697 or die_error(404, "Blob diff not found");
7698
7699 } else {
7700 die_error(400, "Missing one of the blob diff parameters");
7701 }
7702
7703 if (@difftree > 1) {
7704 die_error(400, "Ambiguous blob diff specification");
7705 }
7706
7707 %diffinfo = parse_difftree_raw_line($difftree[0]);
7708 $file_parent ||= $diffinfo{'from_file'} || $file_name;
7709 $file_name ||= $diffinfo{'to_file'};
7710
7711 $hash_parent ||= $diffinfo{'from_id'};
7712 $hash ||= $diffinfo{'to_id'};
7713
7714 # non-textual hash id's can be cached
7715 if ($hash_base =~ m/^$oid_regex$/ &&
7716 $hash_parent_base =~ m/^$oid_regex$/) {
7717 $expires = '+1d';
7718 }
7719
7720 # open patch output
7721 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7722 '-p', ($format eq 'html' ? "--full-index" : ()),
7723 $hash_parent_base, $hash_base,
7724 "--", (defined $file_parent ? $file_parent : ()), $file_name
7725 or die_error(500, "Open git-diff-tree failed");
7726 }
7727
7728 # old/legacy style URI -- not generated anymore since 1.4.3.
7729 if (!%diffinfo) {
7730 die_error('404 Not Found', "Missing one of the blob diff parameters")
7731 }
7732
7733 # header
7734 if ($format eq 'html') {
7735 my $formats_nav =
7736 $cgi->a({-href => href(action=>"blobdiff_plain", -replay=>1)},
7737 "raw");
7738 $formats_nav .= diff_style_nav($diff_style);
7739 git_header_html(undef, $expires);
7740 if (defined $hash_base && (my %co = parse_commit($hash_base))) {
7741 git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
7742 git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
7743 } else {
7744 print "<div class=\"page_nav\"><br/>$formats_nav</div>\n";
7745 git_end_subhead_html();
7746 print "<div class=\"title\">".esc_html("$hash vs $hash_parent")."</div>\n";
7747 }
7748 if (defined $file_name) {
7749 git_print_page_path($file_name, "blob", $hash_base);
7750 } else {
7751 print "<div class=\"page_path\"></div>\n";
7752 }
7753
7754 } elsif ($format eq 'plain') {
7755 print $cgi->header(
7756 -type => 'text/plain',
7757 -charset => 'utf-8',
7758 -expires => $expires,
7759 -content_disposition => 'inline; filename="' . "$file_name" . '.patch"');
7760
7761 print "X-Git-Url: " . $cgi->self_url() . "\n\n";
7762
7763 } else {
7764 die_error(400, "Unknown blobdiff format");
7765 }
7766
7767 # patch
7768 if ($format eq 'html') {
7769 print "<div class=\"page_body\">\n";
7770
7771 git_patchset_body($fd, $diff_style,
7772 [ \%diffinfo ], $hash_base, $hash_parent_base);
7773 close $fd;
7774
7775 print "</div>\n"; # class="page_body"
7776 git_footer_html();
7777
7778 } else {
7779 while (my $line = <$fd>) {
7780 $line =~ s!a/($hash|$hash_parent)!'a/'.esc_path($diffinfo{'from_file'})!eg;
7781 $line =~ s!b/($hash|$hash_parent)!'b/'.esc_path($diffinfo{'to_file'})!eg;
7782
7783 print $line;
7784
7785 last if $line =~ m!^\+\+\+!;
7786 }
7787 local $/ = undef;
7788 print <$fd>;
7789 close $fd;
7790 }
7791 }
7792
7793 sub git_blobdiff_plain {
7794 git_blobdiff('plain');
7795 }
7796
7797 # assumes that it is added as later part of already existing navigation,
7798 # so it returns "| foo | bar" rather than just "foo | bar"
7799 sub diff_style_nav {
7800 my ($diff_style, $is_combined) = @_;
7801 $diff_style ||= 'inline';
7802
7803 return "" if ($is_combined);
7804
7805 my @styles = (inline => 'inline', 'sidebyside' => 'side by side');
7806 my %styles = @styles;
7807 @styles =
7808 @styles[ map { $_ * 2 } 0..$#styles/2 ];
7809
7810 return join '',
7811 map { " | ".$_ }
7812 map {
7813 $_ eq $diff_style ? $styles{$_} :
7814 $cgi->a({-href => href(-replay=>1, diff_style => $_)}, $styles{$_})
7815 } @styles;
7816 }
7817
7818 sub git_commitdiff {
7819 my %params = @_;
7820 my $format = $params{-format} || 'html';
7821 my $diff_style = $input_params{'diff_style'} || 'inline';
7822
7823 my ($patch_max) = gitweb_get_feature('patches');
7824 if ($format eq 'patch') {
7825 die_error(403, "Patch view not allowed") unless $patch_max;
7826 }
7827
7828 $hash ||= $hash_base || "HEAD";
7829 my %co = parse_commit($hash)
7830 or die_error(404, "Unknown commit object");
7831
7832 # choose format for commitdiff for merge
7833 if (! defined $hash_parent && @{$co{'parents'}} > 1) {
7834 $hash_parent = '--cc';
7835 }
7836 # we need to prepare $formats_nav before almost any parameter munging
7837 my $formats_nav;
7838 if ($format eq 'html') {
7839 $formats_nav =
7840 $cgi->a({-href => href(action=>"commitdiff_plain", -replay=>1)},
7841 "raw");
7842 if ($patch_max && @{$co{'parents'}} <= 1 &&
7843 !gitweb_check_feature('email-privacy')) {
7844 $formats_nav .= " | " .
7845 $cgi->a({-href => href(action=>"patch", -replay=>1)},
7846 "patch");
7847 }
7848 $formats_nav .= diff_style_nav($diff_style, @{$co{'parents'}} > 1);
7849
7850 if (defined $hash_parent &&
7851 $hash_parent ne '-c' && $hash_parent ne '--cc') {
7852 # commitdiff with two commits given
7853 my $hash_parent_short = $hash_parent;
7854 if ($hash_parent =~ m/^$oid_regex$/) {
7855 $hash_parent_short = substr($hash_parent, 0, 7);
7856 }
7857 $formats_nav .=
7858 ' (from';
7859 for (my $i = 0; $i < @{$co{'parents'}}; $i++) {
7860 if ($co{'parents'}[$i] eq $hash_parent) {
7861 $formats_nav .= ' parent ' . ($i+1);
7862 last;
7863 }
7864 }
7865 $formats_nav .= ': ' .
7866 $cgi->a({-href => href(-replay=>1,
7867 hash=>$hash_parent, hash_base=>undef)},
7868 esc_html($hash_parent_short)) .
7869 ')';
7870 } elsif (!$co{'parent'}) {
7871 # --root commitdiff
7872 $formats_nav .= ' (initial)';
7873 } elsif (scalar @{$co{'parents'}} == 1) {
7874 # single parent commit
7875 $formats_nav .=
7876 ' (parent: ' .
7877 $cgi->a({-href => href(-replay=>1,
7878 hash=>$co{'parent'}, hash_base=>undef)},
7879 esc_html(substr($co{'parent'}, 0, 7))) .
7880 ')';
7881 } else {
7882 # merge commit
7883 if ($hash_parent eq '--cc') {
7884 $formats_nav .= ' | ' .
7885 $cgi->a({-href => href(-replay=>1,
7886 hash=>$hash, hash_parent=>'-c')},
7887 'combined');
7888 } else { # $hash_parent eq '-c'
7889 $formats_nav .= ' | ' .
7890 $cgi->a({-href => href(-replay=>1,
7891 hash=>$hash, hash_parent=>'--cc')},
7892 'compact');
7893 }
7894 $formats_nav .=
7895 ' (merge: ' .
7896 join(' ', map {
7897 $cgi->a({-href => href(-replay=>1,
7898 hash=>$_, hash_base=>undef)},
7899 esc_html(substr($_, 0, 7)));
7900 } @{$co{'parents'}} ) .
7901 ')';
7902 }
7903 }
7904
7905 my $hash_parent_param = $hash_parent;
7906 if (!defined $hash_parent_param) {
7907 # --cc for multiple parents, --root for parentless
7908 $hash_parent_param =
7909 @{$co{'parents'}} > 1 ? '--cc' : $co{'parent'} || '--root';
7910 }
7911
7912 # read commitdiff
7913 my $fd;
7914 my @difftree;
7915 if ($format eq 'html') {
7916 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7917 "--no-commit-id", "--patch-with-raw", "--full-index",
7918 $hash_parent_param, $hash, "--"
7919 or die_error(500, "Open git-diff-tree failed");
7920
7921 while (my $line = <$fd>) {
7922 chomp $line;
7923 # empty line ends raw part of diff-tree output
7924 last unless $line;
7925 push @difftree, scalar parse_difftree_raw_line($line);
7926 }
7927
7928 } elsif ($format eq 'plain') {
7929 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
7930 '-p', $hash_parent_param, $hash, "--"
7931 or die_error(500, "Open git-diff-tree failed");
7932 } elsif ($format eq 'patch') {
7933 # For commit ranges, we limit the output to the number of
7934 # patches specified in the 'patches' feature.
7935 # For single commits, we limit the output to a single patch,
7936 # diverging from the git-format-patch default.
7937 my @commit_spec = ();
7938 if ($hash_parent) {
7939 if ($patch_max > 0) {
7940 push @commit_spec, "-$patch_max";
7941 }
7942 push @commit_spec, '-n', "$hash_parent..$hash";
7943 } else {
7944 if ($params{-single}) {
7945 push @commit_spec, '-1';
7946 } else {
7947 if ($patch_max > 0) {
7948 push @commit_spec, "-$patch_max";
7949 }
7950 push @commit_spec, "-n";
7951 }
7952 push @commit_spec, '--root', $hash;
7953 }
7954 open $fd, "-|", git_cmd(), "format-patch", @diff_opts,
7955 '--encoding=utf8', '--stdout', @commit_spec
7956 or die_error(500, "Open git-format-patch failed");
7957 } else {
7958 die_error(400, "Unknown commitdiff format");
7959 }
7960
7961 # non-textual hash id's can be cached
7962 my $expires;
7963 if ($hash =~ m/^$oid_regex$/) {
7964 $expires = "+1d";
7965 }
7966
7967 # write commit message
7968 if ($format eq 'html') {
7969 my $refs = git_get_references();
7970 my $ref = format_ref_marker($refs, $co{'id'});
7971
7972 git_header_html(undef, $expires);
7973 git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
7974 git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
7975 print "<div class=\"title_text\">\n" .
7976 "<table class=\"object_header\">\n";
7977 git_print_authorship_rows(\%co);
7978 print "</table>".
7979 "</div>\n";
7980 print "<div class=\"page_body\">\n";
7981 if (@{$co{'comment'}} > 1) {
7982 print "<div class=\"log\">\n";
7983 git_print_log($co{'comment'}, -remove_title => 1);
7984 print "</div>\n"; # class="log"
7985 }
7986
7987 } elsif ($format eq 'plain') {
7988 my $refs = git_get_references("tags");
7989 my $tagname = git_get_rev_name_tags($hash);
7990 my $filename = basename($project) . "-$hash.patch";
7991
7992 print $cgi->header(
7993 -type => 'text/plain',
7994 -charset => 'utf-8',
7995 -expires => $expires,
7996 -content_disposition => 'inline; filename="' . "$filename" . '"');
7997 my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
7998 print "From: " . to_utf8($co{'author'}) . "\n";
7999 print "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n";
8000 print "Subject: " . to_utf8($co{'title'}) . "\n";
8001
8002 print "X-Git-Tag: $tagname\n" if $tagname;
8003 print "X-Git-Url: " . $cgi->self_url() . "\n\n";
8004
8005 foreach my $line (@{$co{'comment'}}) {
8006 print to_utf8($line) . "\n";
8007 }
8008 print "---\n\n";
8009 } elsif ($format eq 'patch') {
8010 my $filename = basename($project) . "-$hash.patch";
8011
8012 print $cgi->header(
8013 -type => 'text/plain',
8014 -charset => 'utf-8',
8015 -expires => $expires,
8016 -content_disposition => 'inline; filename="' . "$filename" . '"');
8017 }
8018
8019 # write patch
8020 if ($format eq 'html') {
8021 my $use_parents = !defined $hash_parent ||
8022 $hash_parent eq '-c' || $hash_parent eq '--cc';
8023 git_difftree_body(\@difftree, $hash,
8024 $use_parents ? @{$co{'parents'}} : $hash_parent);
8025 print "<br/>\n";
8026
8027 git_patchset_body($fd, $diff_style,
8028 \@difftree, $hash,
8029 $use_parents ? @{$co{'parents'}} : $hash_parent);
8030 close $fd;
8031 print "</div>\n"; # class="page_body"
8032 git_footer_html();
8033
8034 } elsif ($format eq 'plain') {
8035 local $/ = undef;
8036 print <$fd>;
8037 close $fd
8038 or print "Reading git-diff-tree failed\n";
8039 } elsif ($format eq 'patch') {
8040 local $/ = undef;
8041 print <$fd>;
8042 close $fd
8043 or print "Reading git-format-patch failed\n";
8044 }
8045 }
8046
8047 sub git_commitdiff_plain {
8048 git_commitdiff(-format => 'plain');
8049 }
8050
8051 # format-patch-style patches
8052 sub git_patch {
8053 git_commitdiff(-format => 'patch', -single => 1);
8054 }
8055
8056 sub git_patches {
8057 git_commitdiff(-format => 'patch');
8058 }
8059
8060 sub git_history {
8061 git_log_generic('history', \&git_history_body,
8062 $hash_base, $hash_parent_base,
8063 $file_name, $hash);
8064 }
8065
8066 sub git_search {
8067 $searchtype ||= 'commit';
8068
8069 # check if appropriate features are enabled
8070 gitweb_check_feature('search')
8071 or die_error(403, "Search is disabled");
8072 if ($searchtype eq 'pickaxe') {
8073 # pickaxe may take all resources of your box and run for several minutes
8074 # with every query - so decide by yourself how public you make this feature
8075 gitweb_check_feature('pickaxe')
8076 or die_error(403, "Pickaxe search is disabled");
8077 }
8078 if ($searchtype eq 'grep') {
8079 # grep search might be potentially CPU-intensive, too
8080 gitweb_check_feature('grep')
8081 or die_error(403, "Grep search is disabled");
8082 }
8083
8084 if (!defined $searchtext) {
8085 die_error(400, "Text field is empty");
8086 }
8087 if (!defined $hash) {
8088 $hash = git_get_head_hash($project);
8089 }
8090 my %co = parse_commit($hash);
8091 if (!%co) {
8092 die_error(404, "Unknown commit object");
8093 }
8094 if (!defined $page) {
8095 $page = 0;
8096 }
8097
8098 if ($searchtype eq 'commit' ||
8099 $searchtype eq 'author' ||
8100 $searchtype eq 'committer') {
8101 git_search_message(%co);
8102 } elsif ($searchtype eq 'pickaxe') {
8103 git_search_changes(%co);
8104 } elsif ($searchtype eq 'grep') {
8105 git_search_files(%co);
8106 } else {
8107 die_error(400, "Unknown search type");
8108 }
8109 }
8110
8111 sub git_search_help {
8112 git_header_html();
8113 git_print_page_nav('','', $hash,$hash,$hash);
8114 print <<EOT;
8115 <p><strong>Pattern</strong> is by default a normal string that is matched precisely (but without
8116 regard to case, except in the case of pickaxe). However, when you check the <em>re</em> checkbox,
8117 the pattern entered is recognized as the POSIX extended
8118 <a href="https://en.wikipedia.org/wiki/Regular_expression">regular expression</a> (also case
8119 insensitive).</p>
8120 <dl>
8121 <dt><b>commit</b></dt>
8122 <dd>The commit messages and authorship information will be scanned for the given pattern.</dd>
8123 EOT
8124 my $have_grep = gitweb_check_feature('grep');
8125 if ($have_grep) {
8126 print <<EOT;
8127 <dt><b>grep</b></dt>
8128 <dd>All files in the currently selected tree (HEAD unless you are explicitly browsing
8129 a different one) are searched for the given pattern. On large trees, this search can take
8130 a while and put some strain on the server, so please use it with some consideration. Note that
8131 due to git-grep peculiarity, currently if regexp mode is turned off, the matches are
8132 case-sensitive.</dd>
8133 EOT
8134 }
8135 print <<EOT;
8136 <dt><b>author</b></dt>
8137 <dd>Name and e-mail of the change author and date of birth of the patch will be scanned for the given pattern.</dd>
8138 <dt><b>committer</b></dt>
8139 <dd>Name and e-mail of the committer and date of commit will be scanned for the given pattern.</dd>
8140 EOT
8141 my $have_pickaxe = gitweb_check_feature('pickaxe');
8142 if ($have_pickaxe) {
8143 print <<EOT;
8144 <dt><b>pickaxe</b></dt>
8145 <dd>All commits that caused the string to appear or disappear from any file (changes that
8146 added, removed or "modified" the string) will be listed. This search can take a while and
8147 takes a lot of strain on the server, so please use it wisely. Note that since you may be
8148 interested even in changes just changing the case as well, this search is case sensitive.</dd>
8149 EOT
8150 }
8151 print "</dl>\n";
8152 git_footer_html();
8153 }
8154
8155 sub git_shortlog {
8156 git_log_generic('shortlog', \&git_shortlog_body,
8157 $hash, $hash_parent);
8158 }
8159
8160 ## ......................................................................
8161 ## feeds (Atom; OPML)
8162
8163 sub git_feed {
8164 my $format = shift || 'atom';
8165 my $have_blame = gitweb_check_feature('blame');
8166
8167 # Atom: http://www.atomenabled.org/developers/syndication/
8168 if ($format ne 'atom') {
8169 die_error(400, "Unknown web feed format");
8170 }
8171
8172 # log/feed of current (HEAD) branch, log of given branch, history of file/directory
8173 my $head = $hash || 'HEAD';
8174 my @commitlist = parse_commits($head, 150, 0, $file_name);
8175
8176 my %latest_commit;
8177 my %latest_date;
8178 my $content_type = "application/$format+xml";
8179 if (defined $cgi->http('HTTP_ACCEPT') &&
8180 $cgi->Accept('text/xml') > $cgi->Accept($content_type)) {
8181 # browser (feed reader) prefers text/xml
8182 $content_type = 'text/xml';
8183 }
8184 if (defined($commitlist[0])) {
8185 %latest_commit = %{$commitlist[0]};
8186 my $latest_epoch = $latest_commit{'committer_epoch'};
8187 exit_if_unmodified_since($latest_epoch);
8188 %latest_date = parse_date($latest_epoch, $latest_commit{'committer_tz'});
8189 }
8190 print $cgi->header(
8191 -type => $content_type,
8192 -charset => 'utf-8',
8193 %latest_date ? (-last_modified => $latest_date{'rfc2822'}) : (),
8194 -status => '200 OK');
8195
8196 # Optimization: skip generating the body if client asks only
8197 # for Last-Modified date.
8198 return if ($cgi->request_method() eq 'HEAD');
8199
8200 # header variables
8201 my $title = "$site_name - $project/$action";
8202 my $feed_type = 'log';
8203 if (defined $hash) {
8204 $title .= " - '$hash'";
8205 $feed_type = 'branch log';
8206 if (defined $file_name) {
8207 $title .= " :: $file_name";
8208 $feed_type = 'history';
8209 }
8210 } elsif (defined $file_name) {
8211 $title .= " - $file_name";
8212 $feed_type = 'history';
8213 }
8214 $title .= " $feed_type";
8215 $title = esc_html($title);
8216 my $descr = git_get_project_description($project);
8217 if (defined $descr) {
8218 $descr = esc_html($descr);
8219 } else {
8220 $descr = "$project Atom feed";
8221 }
8222 my $owner = git_get_project_owner($project);
8223 $owner = esc_html($owner);
8224
8225 #header
8226 my $alt_url;
8227 if (defined $file_name) {
8228 $alt_url = href(-full=>1, action=>"history", hash=>$hash, file_name=>$file_name);
8229 } elsif (defined $hash) {
8230 $alt_url = href(-full=>1, action=>"log", hash=>$hash);
8231 } else {
8232 $alt_url = href(-full=>1, action=>"summary");
8233 }
8234 $alt_url = esc_attr($alt_url);
8235 print qq!<?xml version="1.0" encoding="utf-8"?>\n!;
8236 print <<XML;
8237 <feed xmlns="http://www.w3.org/2005/Atom">
8238 XML
8239 print "<title>$title</title>\n" .
8240 "<subtitle>$descr</subtitle>\n" .
8241 '<link rel="alternate" type="text/html" href="' .
8242 $alt_url . '" />' . "\n" .
8243 '<link rel="self" type="' . $content_type . '" href="' .
8244 $cgi->self_url() . '" />' . "\n" .
8245 "<id>" . esc_url(href(-full=>1)) . "</id>\n" .
8246 # use project owner for feed author
8247 "<author><name>$owner</name></author>\n";
8248 if (defined $favicon) {
8249 print "<icon>" . esc_url($favicon) . "</icon>\n";
8250 }
8251 if (defined $logo) {
8252 # not twice as wide as tall: 72 x 27 pixels
8253 print "<logo>" . esc_url($logo) . "</logo>\n";
8254 }
8255 if (! %latest_date) {
8256 # dummy date to keep the feed valid until commits trickle in:
8257 print "<updated>1970-01-01T00:00:00Z</updated>\n";
8258 } else {
8259 print "<updated>$latest_date{'iso-8601'}</updated>\n";
8260 }
8261 print "<generator version='$version/$git_version'>gitweb</generator>\n";
8262
8263 # contents
8264 for (my $i = 0; $i <= $#commitlist; $i++) {
8265 my %co = %{$commitlist[$i]};
8266 my $commit = $co{'id'};
8267 # we read 150, we always show 30 and the ones more recent than 48 hours
8268 if (($i >= 20) && ((time - $co{'author_epoch'}) > 48*60*60)) {
8269 last;
8270 }
8271 my %cd = parse_date($co{'author_epoch'}, $co{'author_tz'});
8272
8273 # get list of changed files
8274 open my $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
8275 $co{'parent'} || "--root",
8276 $co{'id'}, "--", (defined $file_name ? $file_name : ())
8277 or next;
8278 my @difftree = map { chomp; $_ } <$fd>;
8279 close $fd
8280 or next;
8281
8282 # print element (entry, item)
8283 my $co_url = href(-full=>1, action=>"commitdiff", hash=>$commit);
8284 print "<entry>\n" .
8285 "<title type=\"html\">" . esc_html($co{'title'}) . "</title>\n" .
8286 "<updated>$cd{'iso-8601'}</updated>\n" .
8287 "<author>\n" .
8288 " <name>" . esc_html($co{'author_name'}) . "</name>\n";
8289 if ($co{'author_email'}) {
8290 print " <email>" . esc_html($co{'author_email'}) . "</email>\n";
8291 }
8292 print "</author>\n" .
8293 # use committer for contributor
8294 "<contributor>\n" .
8295 " <name>" . esc_html($co{'committer_name'}) . "</name>\n";
8296 if ($co{'committer_email'}) {
8297 print " <email>" . esc_html($co{'committer_email'}) . "</email>\n";
8298 }
8299 print "</contributor>\n" .
8300 "<published>$cd{'iso-8601'}</published>\n" .
8301 "<link rel=\"alternate\" type=\"text/html\" href=\"" . esc_attr($co_url) . "\" />\n" .
8302 "<id>" . esc_html($co_url) . "</id>\n" .
8303 "<content type=\"xhtml\" xml:base=\"" . esc_url($my_url) . "\">\n" .
8304 "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n";
8305 my $comment = $co{'comment'};
8306 print "<pre>\n";
8307 foreach my $line (@$comment) {
8308 $line = esc_html($line);
8309 print "$line\n";
8310 }
8311 print "</pre><ul>\n";
8312 foreach my $difftree_line (@difftree) {
8313 my %difftree = parse_difftree_raw_line($difftree_line);
8314 next if !$difftree{'from_id'};
8315
8316 my $file = $difftree{'file'} || $difftree{'to_file'};
8317
8318 print "<li>" .
8319 "[" .
8320 $cgi->a({-href => href(-full=>1, action=>"blobdiff",
8321 hash=>$difftree{'to_id'}, hash_parent=>$difftree{'from_id'},
8322 hash_base=>$co{'id'}, hash_parent_base=>$co{'parent'},
8323 file_name=>$file, file_parent=>$difftree{'from_file'}),
8324 -title => "diff"}, 'D');
8325 if ($have_blame) {
8326 print $cgi->a({-href => href(-full=>1, action=>"blame",
8327 file_name=>$file, hash_base=>$commit),
8328 -title => "blame"}, 'B');
8329 }
8330 # if this is not a feed of a file history
8331 if (!defined $file_name || $file_name ne $file) {
8332 print $cgi->a({-href => href(-full=>1, action=>"history",
8333 file_name=>$file, hash=>$commit),
8334 -title => "history"}, 'H');
8335 }
8336 $file = esc_path($file);
8337 print "] ".
8338 "$file</li>\n";
8339 }
8340 print "</ul>\n</div>\n" .
8341 "</content>\n" .
8342 "</entry>\n";
8343 }
8344
8345 # end of feed
8346 print "</feed>\n";
8347 }
8348
8349 sub git_atom {
8350 git_feed('atom');
8351 }
8352
8353 sub git_opml {
8354 my @list = git_get_projects_list($project_filter, $strict_export);
8355 if (!@list) {
8356 die_error(404, "No projects found");
8357 }
8358
8359 print $cgi->header(
8360 -type => 'text/xml',
8361 -charset => 'utf-8',
8362 -content_disposition => 'inline; filename="opml.xml"');
8363
8364 my $title = esc_html($site_name);
8365 my $filter = " within subdirectory ";
8366 if (defined $project_filter) {
8367 $filter .= esc_html($project_filter);
8368 } else {
8369 $filter = "";
8370 }
8371 print <<XML;
8372 <?xml version="1.0" encoding="utf-8"?>
8373 <opml version="1.0">
8374 <head>
8375 <title>$title OPML Export$filter</title>
8376 </head>
8377 <body>
8378 <outline text="git Atom feeds">
8379 XML
8380
8381 foreach my $pr (@list) {
8382 my %proj = %$pr;
8383 my $head = git_get_head_hash($proj{'path'});
8384 if (!defined $head) {
8385 next;
8386 }
8387 $git_dir = "$projectroot/$proj{'path'}";
8388 my %co = parse_commit($head);
8389 if (!%co) {
8390 next;
8391 }
8392
8393 my $path = esc_html(chop_str($proj{'path'}, 25, 5));
8394 my $atom = esc_attr(href('project' => $proj{'path'}, 'action' => 'atom', -full => 1));
8395 my $html = esc_attr(href('project' => $proj{'path'}, 'action' => 'summary', -full => 1));
8396 print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$atom\" htmlUrl=\"$html\"/>\n";
8397 }
8398 print <<XML;
8399 </outline>
8400 </body>
8401 </opml>
8402 XML
8403 }