gitweb/gitweb.perl

   1 #!/usr/bin/perl
   2
   3 # gitweb - simple web interface to track changes in git repositories
   4 #
   5 # (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
   6 # (C) 2005, Christian Gierke
   7 #
   8 # This program is licensed under the GPLv2
   9
  10 use strict;
  11 use warnings;
  12 use CGI qw(:standard :escapeHTML -nosticky);
  13 use CGI::Util qw(unescape);
  14 use CGI::Carp qw(fatalsToBrowser);
  15 use Encode;
  16 use Fcntl ':mode';
  17 use File::Find qw();
  18 use File::Basename qw(basename);
  19 binmode STDOUT, ':utf8';
  20
  21 our $cgi = new CGI;
  22 our $version = "++GIT_VERSION++";
  23 our $my_url = $cgi->url();
  24 our $my_uri = $cgi->url(-absolute => 1);
  25
  26 # core git executable to use
  27 # this can just be "git" if your webserver has a sensible PATH
  28 our $GIT = "++GIT_BINDIR++/git";
  29
  30 # absolute fs-path which will be prepended to the project path
  31 #our $projectroot = "/pub/scm";
  32 our $projectroot = "++GITWEB_PROJECTROOT++";
  33
  34 # target of the home link on top of all pages
  35 our $home_link = $my_uri || "/";
  36
  37 # string of the home link on top of all pages
  38 our $home_link_str = "++GITWEB_HOME_LINK_STR++";
  39
  40 # name of your site or organization to appear in page titles
  41 # replace this with something more descriptive for clearer bookmarks
  42 our $site_name = "++GITWEB_SITENAME++" || $ENV{'SERVER_NAME'} || "Untitled";
  43
  44 # html text to include at home page
  45 our $home_text = "++GITWEB_HOMETEXT++";
  46
  47 # URI of default stylesheet
  48 our $stylesheet = "++GITWEB_CSS++";
  49 # URI of GIT logo
  50 our $logo = "++GITWEB_LOGO++";
  51 # URI of GIT favicon, assumed to be image/png type
  52 our $favicon = "++GITWEB_FAVICON++";
  53
  54 # source of projects list
  55 our $projects_list = "++GITWEB_LIST++";
  56
  57 # show repository only if this file exists
  58 # (only effective if this variable evaluates to true)
  59 our $export_ok = "++GITWEB_EXPORT_OK++";
  60
  61 # only allow viewing of repositories also shown on the overview page
  62 our $strict_export = "++GITWEB_STRICT_EXPORT++";
  63
  64 # list of git base URLs used for URL to where fetch project from,
  65 # i.e. full URL is "$git_base_url/$project"
  66 our @git_base_url_list = ("++GITWEB_BASE_URL++");
  67
  68 # default blob_plain mimetype and default charset for text/plain blob
  69 our $default_blob_plain_mimetype = 'text/plain';
  70 our $default_text_plain_charset  = undef;
  71
  72 # file to use for guessing MIME types before trying /etc/mime.types
  73 # (relative to the current git repository)
  74 our $mimetypes_file = undef;
  75
  76 # You define site-wide feature defaults here; override them with
  77 # $GITWEB_CONFIG as necessary.
  78 our %feature = (
  79         # feature => {
  80         #       'sub' => feature-sub (subroutine),
  81         #       'override' => allow-override (boolean),
  82         #       'default' => [ default options...] (array reference)}
  83         #
  84         # if feature is overridable (it means that allow-override has true value,
  85         # then feature-sub will be called with default options as parameters;
  86         # return value of feature-sub indicates if to enable specified feature
  87         #
  88         # use gitweb_check_feature(<feature>) to check if <feature> is enabled
  89
  90         'blame' => {
  91                 'sub' => \&feature_blame,
  92                 'override' => 0,
  93                 'default' => [0]},
  94
  95         'snapshot' => {
  96                 'sub' => \&feature_snapshot,
  97                 'override' => 0,
  98                 #         => [content-encoding, suffix, program]
  99                 'default' => ['x-gzip', 'gz', 'gzip']},
 100
 101         'pickaxe' => {
 102                 'sub' => \&feature_pickaxe,
 103                 'override' => 0,
 104                 'default' => [1]},
 105 );
 106
 107 sub gitweb_check_feature {
 108         my ($name) = @_;
 109         return unless exists $feature{$name};
 110         my ($sub, $override, @defaults) = (
 111                 $feature{$name}{'sub'},
 112                 $feature{$name}{'override'},
 113                 @{$feature{$name}{'default'}});
 114         if (!$override) { return @defaults; }
 115         return $sub->(@defaults);
 116 }
 117
 118 # To enable system wide have in $GITWEB_CONFIG
 119 # $feature{'blame'}{'default'} = [1];
 120 # To have project specific config enable override in $GITWEB_CONFIG
 121 # $feature{'blame'}{'override'} = 1;
 122 # and in project config gitweb.blame = 0|1;
 123
 124 sub feature_blame {
 125         my ($val) = git_get_project_config('blame', '--bool');
 126
 127         if ($val eq 'true') {
 128                 return 1;
 129         } elsif ($val eq 'false') {
 130                 return 0;
 131         }
 132
 133         return $_[0];
 134 }
 135
 136 # To disable system wide have in $GITWEB_CONFIG
 137 # $feature{'snapshot'}{'default'} = [undef];
 138 # To have project specific config enable override in $GITWEB_CONFIG
 139 # $feature{'blame'}{'override'} = 1;
 140 # and in project config  gitweb.snapshot = none|gzip|bzip2
 141
 142 sub feature_snapshot {
 143         my ($ctype, $suffix, $command) = @_;
 144
 145         my ($val) = git_get_project_config('snapshot');
 146
 147         if ($val eq 'gzip') {
 148                 return ('x-gzip', 'gz', 'gzip');
 149         } elsif ($val eq 'bzip2') {
 150                 return ('x-bzip2', 'bz2', 'bzip2');
 151         } elsif ($val eq 'none') {
 152                 return ();
 153         }
 154
 155         return ($ctype, $suffix, $command);
 156 }
 157
 158 # To enable system wide have in $GITWEB_CONFIG
 159 # $feature{'pickaxe'}{'default'} = [1];
 160 # To have project specific config enable override in $GITWEB_CONFIG
 161 # $feature{'pickaxe'}{'override'} = 1;
 162 # and in project config gitweb.pickaxe = 0|1;
 163
 164 sub feature_pickaxe {
 165         my ($val) = git_get_project_config('pickaxe', '--bool');
 166
 167         if ($val eq 'true') {
 168                 return (1);
 169         } elsif ($val eq 'false') {
 170                 return (0);
 171         }
 172
 173         return ($_[0]);
 174 }
 175
 176 # rename detection options for git-diff and git-diff-tree
 177 # - default is '-M', with the cost proportional to
 178 #   (number of removed files) * (number of new files).
 179 # - more costly is '-C' (or '-C', '-M'), with the cost proportional to
 180 #   (number of changed files + number of removed files) * (number of new files)
 181 # - even more costly is '-C', '--find-copies-harder' with cost
 182 #   (number of files in the original tree) * (number of new files)
 183 # - one might want to include '-B' option, e.g. '-B', '-M'
 184 our @diff_opts = ('-M'); # taken from git_commit
 185
 186 our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
 187 do $GITWEB_CONFIG if -e $GITWEB_CONFIG;
 188
 189 # version of the core git binary
 190 our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
 191
 192 $projects_list ||= $projectroot;
 193
 194 # ======================================================================
 195 # input validation and dispatch
 196 our $action = $cgi->param('a');
 197 if (defined $action) {
 198         if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
 199                 die_error(undef, "Invalid action parameter");
 200         }
 201 }
 202
 203 # parameters which are pathnames
 204 our $project = $cgi->param('p');
 205 if (defined $project) {
 206         if (!validate_pathname($project) ||
 207             !(-d "$projectroot/$project") ||
 208             !(-e "$projectroot/$project/HEAD") ||
 209             ($export_ok && !(-e "$projectroot/$project/$export_ok")) ||
 210             ($strict_export && !project_in_list($project))) {
 211                 undef $project;
 212                 die_error(undef, "No such project");
 213         }
 214 }
 215
 216 our $file_name = $cgi->param('f');
 217 if (defined $file_name) {
 218         if (!validate_pathname($file_name)) {
 219                 die_error(undef, "Invalid file parameter");
 220         }
 221 }
 222
 223 our $file_parent = $cgi->param('fp');
 224 if (defined $file_parent) {
 225         if (!validate_pathname($file_parent)) {
 226                 die_error(undef, "Invalid file parent parameter");
 227         }
 228 }
 229
 230 # parameters which are refnames
 231 our $hash = $cgi->param('h');
 232 if (defined $hash) {
 233         if (!validate_refname($hash)) {
 234                 die_error(undef, "Invalid hash parameter");
 235         }
 236 }
 237
 238 our $hash_parent = $cgi->param('hp');
 239 if (defined $hash_parent) {
 240         if (!validate_refname($hash_parent)) {
 241                 die_error(undef, "Invalid hash parent parameter");
 242         }
 243 }
 244
 245 our $hash_base = $cgi->param('hb');
 246 if (defined $hash_base) {
 247         if (!validate_refname($hash_base)) {
 248                 die_error(undef, "Invalid hash base parameter");
 249         }
 250 }
 251
 252 our $hash_parent_base = $cgi->param('hpb');
 253 if (defined $hash_parent_base) {
 254         if (!validate_refname($hash_parent_base)) {
 255                 die_error(undef, "Invalid hash parent base parameter");
 256         }
 257 }
 258
 259 # other parameters
 260 our $page = $cgi->param('pg');
 261 if (defined $page) {
 262         if ($page =~ m/[^0-9]/) {
 263                 die_error(undef, "Invalid page parameter");
 264         }
 265 }
 266
 267 our $searchtext = $cgi->param('s');
 268 if (defined $searchtext) {
 269         if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 270                 die_error(undef, "Invalid search parameter");
 271         }
 272         $searchtext = quotemeta $searchtext;
 273 }
 274
 275 # now read PATH_INFO and use it as alternative to parameters
 276 sub evaluate_path_info {
 277         return if defined $project;
 278         my $path_info = $ENV{"PATH_INFO"};
 279         return if !$path_info;
 280         $path_info =~ s,^/+,,;
 281         return if !$path_info;
 282         # find which part of PATH_INFO is project
 283         $project = $path_info;
 284         $project =~ s,/+$,,;
 285         while ($project && !-e "$projectroot/$project/HEAD") {
 286                 $project =~ s,/*[^/]*$,,;
 287         }
 288         # validate project
 289         $project = validate_pathname($project);
 290         if (!$project ||
 291             ($export_ok && !-e "$projectroot/$project/$export_ok") ||
 292             ($strict_export && !project_in_list($project))) {
 293                 undef $project;
 294                 return;
 295         }
 296         # do not change any parameters if an action is given using the query string
 297         return if $action;
 298         $path_info =~ s,^$project/*,,;
 299         my ($refname, $pathname) = split(/:/, $path_info, 2);
 300         if (defined $pathname) {
 301                 # we got "project.git/branch:filename" or "project.git/branch:dir/"
 302                 # we could use git_get_type(branch:pathname), but it needs $git_dir
 303                 $pathname =~ s,^/+,,;
 304                 if (!$pathname || substr($pathname, -1) eq "/") {
 305                         $action  ||= "tree";
 306                         $pathname =~ s,/$,,;
 307                 } else {
 308                         $action  ||= "blob_plain";
 309                 }
 310                 $hash_base ||= validate_refname($refname);
 311                 $file_name ||= validate_pathname($pathname);
 312         } elsif (defined $refname) {
 313                 # we got "project.git/branch"
 314                 $action ||= "shortlog";
 315                 $hash   ||= validate_refname($refname);
 316         }
 317 }
 318 evaluate_path_info();
 319
 320 # path to the current git repository
 321 our $git_dir;
 322 $git_dir = "$projectroot/$project" if $project;
 323
 324 # dispatch
 325 my %actions = (
 326         "blame" => \&git_blame2,
 327         "blobdiff" => \&git_blobdiff,
 328         "blobdiff_plain" => \&git_blobdiff_plain,
 329         "blob" => \&git_blob,
 330         "blob_plain" => \&git_blob_plain,
 331         "commitdiff" => \&git_commitdiff,
 332         "commitdiff_plain" => \&git_commitdiff_plain,
 333         "commit" => \&git_commit,
 334         "heads" => \&git_heads,
 335         "history" => \&git_history,
 336         "log" => \&git_log,
 337         "rss" => \&git_rss,
 338         "search" => \&git_search,
 339         "shortlog" => \&git_shortlog,
 340         "summary" => \&git_summary,
 341         "tag" => \&git_tag,
 342         "tags" => \&git_tags,
 343         "tree" => \&git_tree,
 344         "snapshot" => \&git_snapshot,
 345         # those below don't need $project
 346         "opml" => \&git_opml,
 347         "project_list" => \&git_project_list,
 348         "project_index" => \&git_project_index,
 349 );
 350
 351 if (defined $project) {
 352         $action ||= 'summary';
 353 } else {
 354         $action ||= 'project_list';
 355 }
 356 if (!defined($actions{$action})) {
 357         die_error(undef, "Unknown action");
 358 }
 359 if ($action !~ m/^(opml|project_list|project_index)$/ &&
 360     !$project) {
 361         die_error(undef, "Project needed");
 362 }
 363 $actions{$action}->();
 364 exit;
 365
 366 ## ======================================================================
 367 ## action links
 368
 369 sub href(%) {
 370         my %params = @_;
 371
 372         my @mapping = (
 373                 project => "p",
 374                 action => "a",
 375                 file_name => "f",
 376                 file_parent => "fp",
 377                 hash => "h",
 378                 hash_parent => "hp",
 379                 hash_base => "hb",
 380                 hash_parent_base => "hpb",
 381                 page => "pg",
 382                 order => "o",
 383                 searchtext => "s",
 384         );
 385         my %mapping = @mapping;
 386
 387         $params{'project'} = $project unless exists $params{'project'};
 388
 389         my @result = ();
 390         for (my $i = 0; $i < @mapping; $i += 2) {
 391                 my ($name, $symbol) = ($mapping[$i], $mapping[$i+1]);
 392                 if (defined $params{$name}) {
 393                         push @result, $symbol . "=" . esc_param($params{$name});
 394                 }
 395         }
 396         return "$my_uri?" . join(';', @result);
 397 }
 398
 399
 400 ## ======================================================================
 401 ## validation, quoting/unquoting and escaping
 402
 403 sub validate_pathname {
 404         my $input = shift || return undef;
 405
 406         # no '.' or '..' as elements of path, i.e. no '.' nor '..'
 407         # at the beginning, at the end, and between slashes.
 408         # also this catches doubled slashes
 409         if ($input =~ m!(^|/)(|\.|\.\.)(/|$)!) {
 410                 return undef;
 411         }
 412         # no null characters
 413         if ($input =~ m!\0!) {
 414                 return undef;
 415         }
 416         return $input;
 417 }
 418
 419 sub validate_refname {
 420         my $input = shift || return undef;
 421
 422         # textual hashes are O.K.
 423         if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 424                 return $input;
 425         }
 426         # it must be correct pathname
 427         $input = validate_pathname($input)
 428                 or return undef;
 429         # restrictions on ref name according to git-check-ref-format
 430         if ($input =~ m!(/\.|\.\.|[\000-\040\177 ~^:?*\[]|/$)!) {
 431                 return undef;
 432         }
 433         return $input;
 434 }
 435
 436 # quote unsafe chars, but keep the slash, even when it's not
 437 # correct, but quoted slashes look too horrible in bookmarks
 438 sub esc_param {
 439         my $str = shift;
 440         $str =~ s/([^A-Za-z0-9\-_.~()\/:@])/sprintf("%%%02X", ord($1))/eg;
 441         $str =~ s/\+/%2B/g;
 442         $str =~ s/ /\+/g;
 443         return $str;
 444 }
 445
 446 # replace invalid utf8 character with SUBSTITUTION sequence
 447 sub esc_html {
 448         my $str = shift;
 449         $str = decode("utf8", $str, Encode::FB_DEFAULT);
 450         $str = escapeHTML($str);
 451         $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
 452         return $str;
 453 }
 454
 455 # git may return quoted and escaped filenames
 456 sub unquote {
 457         my $str = shift;
 458         if ($str =~ m/^"(.*)"$/) {
 459                 $str = $1;
 460                 $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 461         }
 462         return $str;
 463 }
 464
 465 # escape tabs (convert tabs to spaces)
 466 sub untabify {
 467         my $line = shift;
 468
 469         while ((my $pos = index($line, "\t")) != -1) {
 470                 if (my $count = (8 - ($pos % 8))) {
 471                         my $spaces = ' ' x $count;
 472                         $line =~ s/\t/$spaces/;
 473                 }
 474         }
 475
 476         return $line;
 477 }
 478
 479 sub project_in_list {
 480         my $project = shift;
 481         my @list = git_get_projects_list();
 482         return @list && scalar(grep { $_->{'path'} eq $project } @list);
 483 }
 484
 485 ## ----------------------------------------------------------------------
 486 ## HTML aware string manipulation
 487
 488 sub chop_str {
 489         my $str = shift;
 490         my $len = shift;
 491         my $add_len = shift || 10;
 492
 493         # allow only $len chars, but don't cut a word if it would fit in $add_len
 494         # if it doesn't fit, cut it if it's still longer than the dots we would add
 495         $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 496         my $body = $1;
 497         my $tail = $2;
 498         if (length($tail) > 4) {
 499                 $tail = " ...";
 500                 $body =~ s/&[^;]*$//; # remove chopped character entities
 501         }
 502         return "$body$tail";
 503 }
 504
 505 ## ----------------------------------------------------------------------
 506 ## functions returning short strings
 507
 508 # CSS class for given age value (in seconds)
 509 sub age_class {
 510         my $age = shift;
 511
 512         if ($age < 60*60*2) {
 513                 return "age0";
 514         } elsif ($age < 60*60*24*2) {
 515                 return "age1";
 516         } else {
 517                 return "age2";
 518         }
 519 }
 520
 521 # convert age in seconds to "nn units ago" string
 522 sub age_string {
 523         my $age = shift;
 524         my $age_str;
 525
 526         if ($age > 60*60*24*365*2) {
 527                 $age_str = (int $age/60/60/24/365);
 528                 $age_str .= " years ago";
 529         } elsif ($age > 60*60*24*(365/12)*2) {
 530                 $age_str = int $age/60/60/24/(365/12);
 531                 $age_str .= " months ago";
 532         } elsif ($age > 60*60*24*7*2) {
 533                 $age_str = int $age/60/60/24/7;
 534                 $age_str .= " weeks ago";
 535         } elsif ($age > 60*60*24*2) {
 536                 $age_str = int $age/60/60/24;
 537                 $age_str .= " days ago";
 538         } elsif ($age > 60*60*2) {
 539                 $age_str = int $age/60/60;
 540                 $age_str .= " hours ago";
 541         } elsif ($age > 60*2) {
 542                 $age_str = int $age/60;
 543                 $age_str .= " min ago";
 544         } elsif ($age > 2) {
 545                 $age_str = int $age;
 546                 $age_str .= " sec ago";
 547         } else {
 548                 $age_str .= " right now";
 549         }
 550         return $age_str;
 551 }
 552
 553 # convert file mode in octal to symbolic file mode string
 554 sub mode_str {
 555         my $mode = oct shift;
 556
 557         if (S_ISDIR($mode & S_IFMT)) {
 558                 return 'drwxr-xr-x';
 559         } elsif (S_ISLNK($mode)) {
 560                 return 'lrwxrwxrwx';
 561         } elsif (S_ISREG($mode)) {
 562                 # git cares only about the executable bit
 563                 if ($mode & S_IXUSR) {
 564                         return '-rwxr-xr-x';
 565                 } else {
 566                         return '-rw-r--r--';
 567                 };
 568         } else {
 569                 return '----------';
 570         }
 571 }
 572
 573 # convert file mode in octal to file type string
 574 sub file_type {
 575         my $mode = shift;
 576
 577         if ($mode !~ m/^[0-7]+$/) {
 578                 return $mode;
 579         } else {
 580                 $mode = oct $mode;
 581         }
 582
 583         if (S_ISDIR($mode & S_IFMT)) {
 584                 return "directory";
 585         } elsif (S_ISLNK($mode)) {
 586                 return "symlink";
 587         } elsif (S_ISREG($mode)) {
 588                 return "file";
 589         } else {
 590                 return "unknown";
 591         }
 592 }
 593
 594 ## ----------------------------------------------------------------------
 595 ## functions returning short HTML fragments, or transforming HTML fragments
 596 ## which don't beling to other sections
 597
 598 # format line of commit message or tag comment
 599 sub format_log_line_html {
 600         my $line = shift;
 601
 602         $line = esc_html($line);
 603         $line =~ s/ /&nbsp;/g;
 604         if ($line =~ m/([0-9a-fA-F]{40})/) {
 605                 my $hash_text = $1;
 606                 if (git_get_type($hash_text) eq "commit") {
 607                         my $link =
 608                                 $cgi->a({-href => href(action=>"commit", hash=>$hash_text),
 609                                         -class => "text"}, $hash_text);
 610                         $line =~ s/$hash_text/$link/;
 611                 }
 612         }
 613         return $line;
 614 }
 615
 616 # format marker of refs pointing to given object
 617 sub format_ref_marker {
 618         my ($refs, $id) = @_;
 619         my $markers = '';
 620
 621         if (defined $refs->{$id}) {
 622                 foreach my $ref (@{$refs->{$id}}) {
 623                         my ($type, $name) = qw();
 624                         # e.g. tags/v2.6.11 or heads/next
 625                         if ($ref =~ m!^(.*?)s?/(.*)$!) {
 626                                 $type = $1;
 627                                 $name = $2;
 628                         } else {
 629                                 $type = "ref";
 630                                 $name = $ref;
 631                         }
 632
 633                         $markers .= " <span class=\"$type\">" . esc_html($name) . "</span>";
 634                 }
 635         }
 636
 637         if ($markers) {
 638                 return ' <span class="refs">'. $markers . '</span>';
 639         } else {
 640                 return "";
 641         }
 642 }
 643
 644 # format, perhaps shortened and with markers, title line
 645 sub format_subject_html {
 646         my ($long, $short, $href, $extra) = @_;
 647         $extra = '' unless defined($extra);
 648
 649         if (length($short) < length($long)) {
 650                 return $cgi->a({-href => $href, -class => "list subject",
 651                                 -title => $long},
 652                        esc_html($short) . $extra);
 653         } else {
 654                 return $cgi->a({-href => $href, -class => "list subject"},
 655                        esc_html($long)  . $extra);
 656         }
 657 }
 658
 659 sub format_diff_line {
 660         my $line = shift;
 661         my $char = substr($line, 0, 1);
 662         my $diff_class = "";
 663
 664         chomp $line;
 665
 666         if ($char eq '+') {
 667                 $diff_class = " add";
 668         } elsif ($char eq "-") {
 669                 $diff_class = " rem";
 670         } elsif ($char eq "@") {
 671                 $diff_class = " chunk_header";
 672         } elsif ($char eq "\\") {
 673                 $diff_class = " incomplete";
 674         }
 675         $line = untabify($line);
 676         return "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
 677 }
 678
 679 ## ----------------------------------------------------------------------
 680 ## git utility subroutines, invoking git commands
 681
 682 # returns path to the core git executable and the --git-dir parameter as list
 683 sub git_cmd {
 684         return $GIT, '--git-dir='.$git_dir;
 685 }
 686
 687 # returns path to the core git executable and the --git-dir parameter as string
 688 sub git_cmd_str {
 689         return join(' ', git_cmd());
 690 }
 691
 692 # get HEAD ref of given project as hash
 693 sub git_get_head_hash {
 694         my $project = shift;
 695         my $o_git_dir = $git_dir;
 696         my $retval = undef;
 697         $git_dir = "$projectroot/$project";
 698         if (open my $fd, "-|", git_cmd(), "rev-parse", "--verify", "HEAD") {
 699                 my $head = <$fd>;
 700                 close $fd;
 701                 if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 702                         $retval = $1;
 703                 }
 704         }
 705         if (defined $o_git_dir) {
 706                 $git_dir = $o_git_dir;
 707         }
 708         return $retval;
 709 }
 710
 711 # get type of given object
 712 sub git_get_type {
 713         my $hash = shift;
 714
 715         open my $fd, "-|", git_cmd(), "cat-file", '-t', $hash or return;
 716         my $type = <$fd>;
 717         close $fd or return;
 718         chomp $type;
 719         return $type;
 720 }
 721
 722 sub git_get_project_config {
 723         my ($key, $type) = @_;
 724
 725         return unless ($key);
 726         $key =~ s/^gitweb\.//;
 727         return if ($key =~ m/\W/);
 728
 729         my @x = (git_cmd(), 'repo-config');
 730         if (defined $type) { push @x, $type; }
 731         push @x, "--get";
 732         push @x, "gitweb.$key";
 733         my $val = qx(@x);
 734         chomp $val;
 735         return ($val);
 736 }
 737
 738 # get hash of given path at given ref
 739 sub git_get_hash_by_path {
 740         my $base = shift;
 741         my $path = shift || return undef;
 742         my $type = shift;
 743
 744         $path =~ s,/+$,,;
 745
 746         open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path
 747                 or die_error(undef, "Open git-ls-tree failed");
 748         my $line = <$fd>;
 749         close $fd or return undef;
 750
 751         #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
 752         $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
 753         if (defined $type && $type ne $2) {
 754                 # type doesn't match
 755                 return undef;
 756         }
 757         return $3;
 758 }
 759
 760 ## ......................................................................
 761 ## git utility functions, directly accessing git repository
 762
 763 sub git_get_project_description {
 764         my $path = shift;
 765
 766         open my $fd, "$projectroot/$path/description" or return undef;
 767         my $descr = <$fd>;
 768         close $fd;
 769         chomp $descr;
 770         return $descr;
 771 }
 772
 773 sub git_get_project_url_list {
 774         my $path = shift;
 775
 776         open my $fd, "$projectroot/$path/cloneurl" or return;
 777         my @git_project_url_list = map { chomp; $_ } <$fd>;
 778         close $fd;
 779
 780         return wantarray ? @git_project_url_list : \@git_project_url_list;
 781 }
 782
 783 sub git_get_projects_list {
 784         my @list;
 785
 786         if (-d $projects_list) {
 787                 # search in directory
 788                 my $dir = $projects_list;
 789                 my $pfxlen = length("$dir");
 790
 791                 File::Find::find({
 792                         follow_fast => 1, # follow symbolic links
 793                         dangling_symlinks => 0, # ignore dangling symlinks, silently
 794                         wanted => sub {
 795                                 # skip project-list toplevel, if we get it.
 796                                 return if (m!^[/.]$!);
 797                                 # only directories can be git repositories
 798                                 return unless (-d $_);
 799
 800                                 my $subdir = substr($File::Find::name, $pfxlen + 1);
 801                                 # we check related file in $projectroot
 802                                 if (-e "$projectroot/$subdir/HEAD" && (!$export_ok ||
 803                                     -e "$projectroot/$subdir/$export_ok")) {
 804                                         push @list, { path => $subdir };
 805                                         $File::Find::prune = 1;
 806                                 }
 807                         },
 808                 }, "$dir");
 809
 810         } elsif (-f $projects_list) {
 811                 # read from file(url-encoded):
 812                 # 'git%2Fgit.git Linus+Torvalds'
 813                 # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 814                 # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 815                 open my ($fd), $projects_list or return;
 816                 while (my $line = <$fd>) {
 817                         chomp $line;
 818                         my ($path, $owner) = split ' ', $line;
 819                         $path = unescape($path);
 820                         $owner = unescape($owner);
 821                         if (!defined $path) {
 822                                 next;
 823                         }
 824                         if (-e "$projectroot/$path/HEAD" && (!$export_ok ||
 825                             -e "$projectroot/$path/$export_ok")) {
 826                                 my $pr = {
 827                                         path => $path,
 828                                         owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 829                                 };
 830                                 push @list, $pr
 831                         }
 832                 }
 833                 close $fd;
 834         }
 835         @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 836         return @list;
 837 }
 838
 839 sub git_get_project_owner {
 840         my $project = shift;
 841         my $owner;
 842
 843         return undef unless $project;
 844
 845         # read from file (url-encoded):
 846         # 'git%2Fgit.git Linus+Torvalds'
 847         # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 848         # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 849         if (-f $projects_list) {
 850                 open (my $fd , $projects_list);
 851                 while (my $line = <$fd>) {
 852                         chomp $line;
 853                         my ($pr, $ow) = split ' ', $line;
 854                         $pr = unescape($pr);
 855                         $ow = unescape($ow);
 856                         if ($pr eq $project) {
 857                                 $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
 858                                 last;
 859                         }
 860                 }
 861                 close $fd;
 862         }
 863         if (!defined $owner) {
 864                 $owner = get_file_owner("$projectroot/$project");
 865         }
 866
 867         return $owner;
 868 }
 869
 870 sub git_get_references {
 871         my $type = shift || "";
 872         my %refs;
 873         # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 874         # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 875         open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/"
 876                 or return;
 877
 878         while (my $line = <$fd>) {
 879                 chomp $line;
 880                 if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?[^\^]+)/) {
 881                         if (defined $refs{$1}) {
 882                                 push @{$refs{$1}}, $2;
 883                         } else {
 884                                 $refs{$1} = [ $2 ];
 885                         }
 886                 }
 887         }
 888         close $fd or return;
 889         return \%refs;
 890 }
 891
 892 sub git_get_rev_name_tags {
 893         my $hash = shift || return undef;
 894
 895         open my $fd, "-|", git_cmd(), "name-rev", "--tags", $hash
 896                 or return;
 897         my $name_rev = <$fd>;
 898         close $fd;
 899
 900         if ($name_rev =~ m|^$hash tags/(.*)$|) {
 901                 return $1;
 902         } else {
 903                 # catches also '$hash undefined' output
 904                 return undef;
 905         }
 906 }
 907
 908 ## ----------------------------------------------------------------------
 909 ## parse to hash functions
 910
 911 sub parse_date {
 912         my $epoch = shift;
 913         my $tz = shift || "-0000";
 914
 915         my %date;
 916         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 917         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 918         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 919         $date{'hour'} = $hour;
 920         $date{'minute'} = $min;
 921         $date{'mday'} = $mday;
 922         $date{'day'} = $days[$wday];
 923         $date{'month'} = $months[$mon];
 924         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
 925                            $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 926         $date{'mday-time'} = sprintf "%d %s %02d:%02d",
 927                              $mday, $months[$mon], $hour ,$min;
 928
 929         $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 930         my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 931         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 932         $date{'hour_local'} = $hour;
 933         $date{'minute_local'} = $min;
 934         $date{'tz_local'} = $tz;
 935         return %date;
 936 }
 937
 938 sub parse_tag {
 939         my $tag_id = shift;
 940         my %tag;
 941         my @comment;
 942
 943         open my $fd, "-|", git_cmd(), "cat-file", "tag", $tag_id or return;
 944         $tag{'id'} = $tag_id;
 945         while (my $line = <$fd>) {
 946                 chomp $line;
 947                 if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 948                         $tag{'object'} = $1;
 949                 } elsif ($line =~ m/^type (.+)$/) {
 950                         $tag{'type'} = $1;
 951                 } elsif ($line =~ m/^tag (.+)$/) {
 952                         $tag{'name'} = $1;
 953                 } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 954                         $tag{'author'} = $1;
 955                         $tag{'epoch'} = $2;
 956                         $tag{'tz'} = $3;
 957                 } elsif ($line =~ m/--BEGIN/) {
 958                         push @comment, $line;
 959                         last;
 960                 } elsif ($line eq "") {
 961                         last;
 962                 }
 963         }
 964         push @comment, <$fd>;
 965         $tag{'comment'} = \@comment;
 966         close $fd or return;
 967         if (!defined $tag{'name'}) {
 968                 return
 969         };
 970         return %tag
 971 }
 972
 973 sub parse_commit {
 974         my $commit_id = shift;
 975         my $commit_text = shift;
 976
 977         my @commit_lines;
 978         my %co;
 979
 980         if (defined $commit_text) {
 981                 @commit_lines = @$commit_text;
 982         } else {
 983                 $/ = "\0";
 984                 open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", "--max-count=1", $commit_id
 985                         or return;
 986                 @commit_lines = split '\n', <$fd>;
 987                 close $fd or return;
 988                 $/ = "\n";
 989                 pop @commit_lines;
 990         }
 991         my $header = shift @commit_lines;
 992         if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 993                 return;
 994         }
 995         ($co{'id'}, my @parents) = split ' ', $header;
 996         $co{'parents'} = \@parents;
 997         $co{'parent'} = $parents[0];
 998         while (my $line = shift @commit_lines) {
 999                 last if $line eq "\n";
1000                 if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
1001                         $co{'tree'} = $1;
1002                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
1003                         $co{'author'} = $1;
1004                         $co{'author_epoch'} = $2;
1005                         $co{'author_tz'} = $3;
1006                         if ($co{'author'} =~ m/^([^<]+) </) {
1007                                 $co{'author_name'} = $1;
1008                         } else {
1009                                 $co{'author_name'} = $co{'author'};
1010                         }
1011                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
1012                         $co{'committer'} = $1;
1013                         $co{'committer_epoch'} = $2;
1014                         $co{'committer_tz'} = $3;
1015                         $co{'committer_name'} = $co{'committer'};
1016                         $co{'committer_name'} =~ s/ <.*//;
1017                 }
1018         }
1019         if (!defined $co{'tree'}) {
1020                 return;
1021         };
1022
1023         foreach my $title (@commit_lines) {
1024                 $title =~ s/^    //;
1025                 if ($title ne "") {
1026                         $co{'title'} = chop_str($title, 80, 5);
1027                         # remove leading stuff of merges to make the interesting part visible
1028                         if (length($title) > 50) {
1029                                 $title =~ s/^Automatic //;
1030                                 $title =~ s/^merge (of|with) /Merge ... /i;
1031                                 if (length($title) > 50) {
1032                                         $title =~ s/(http|rsync):\/\///;
1033                                 }
1034                                 if (length($title) > 50) {
1035                                         $title =~ s/(master|www|rsync)\.//;
1036                                 }
1037                                 if (length($title) > 50) {
1038                                         $title =~ s/kernel.org:?//;
1039                                 }
1040                                 if (length($title) > 50) {
1041                                         $title =~ s/\/pub\/scm//;
1042                                 }
1043                         }
1044                         $co{'title_short'} = chop_str($title, 50, 5);
1045                         last;
1046                 }
1047         }
1048         # remove added spaces
1049         foreach my $line (@commit_lines) {
1050                 $line =~ s/^    //;
1051         }
1052         $co{'comment'} = \@commit_lines;
1053
1054         my $age = time - $co{'committer_epoch'};
1055         $co{'age'} = $age;
1056         $co{'age_string'} = age_string($age);
1057         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
1058         if ($age > 60*60*24*7*2) {
1059                 $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
1060                 $co{'age_string_age'} = $co{'age_string'};
1061         } else {
1062                 $co{'age_string_date'} = $co{'age_string'};
1063                 $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
1064         }
1065         return %co;
1066 }
1067
1068 # parse ref from ref_file, given by ref_id, with given type
1069 sub parse_ref {
1070         my $ref_file = shift;
1071         my $ref_id = shift;
1072         my $type = shift || git_get_type($ref_id);
1073         my %ref_item;
1074
1075         $ref_item{'type'} = $type;
1076         $ref_item{'id'} = $ref_id;
1077         $ref_item{'epoch'} = 0;
1078         $ref_item{'age'} = "unknown";
1079         if ($type eq "tag") {
1080                 my %tag = parse_tag($ref_id);
1081                 $ref_item{'comment'} = $tag{'comment'};
1082                 if ($tag{'type'} eq "commit") {
1083                         my %co = parse_commit($tag{'object'});
1084                         $ref_item{'epoch'} = $co{'committer_epoch'};
1085                         $ref_item{'age'} = $co{'age_string'};
1086                 } elsif (defined($tag{'epoch'})) {
1087                         my $age = time - $tag{'epoch'};
1088                         $ref_item{'epoch'} = $tag{'epoch'};
1089                         $ref_item{'age'} = age_string($age);
1090                 }
1091                 $ref_item{'reftype'} = $tag{'type'};
1092                 $ref_item{'name'} = $tag{'name'};
1093                 $ref_item{'refid'} = $tag{'object'};
1094         } elsif ($type eq "commit"){
1095                 my %co = parse_commit($ref_id);
1096                 $ref_item{'reftype'} = "commit";
1097                 $ref_item{'name'} = $ref_file;
1098                 $ref_item{'title'} = $co{'title'};
1099                 $ref_item{'refid'} = $ref_id;
1100                 $ref_item{'epoch'} = $co{'committer_epoch'};
1101                 $ref_item{'age'} = $co{'age_string'};
1102         } else {
1103                 $ref_item{'reftype'} = $type;
1104                 $ref_item{'name'} = $ref_file;
1105                 $ref_item{'refid'} = $ref_id;
1106         }
1107
1108         return %ref_item;
1109 }
1110
1111 # parse line of git-diff-tree "raw" output
1112 sub parse_difftree_raw_line {
1113         my $line = shift;
1114         my %res;
1115
1116         # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M   ls-files.c'
1117         # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M   rev-tree.c'
1118         if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
1119                 $res{'from_mode'} = $1;
1120                 $res{'to_mode'} = $2;
1121                 $res{'from_id'} = $3;
1122                 $res{'to_id'} = $4;
1123                 $res{'status'} = $5;
1124                 $res{'similarity'} = $6;
1125                 if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
1126                         ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
1127                 } else {
1128                         $res{'file'} = unquote($7);
1129                 }
1130         }
1131         # 'c512b523472485aef4fff9e57b229d9d243c967f'
1132         elsif ($line =~ m/^([0-9a-fA-F]{40})$/) {
1133                 $res{'commit'} = $1;
1134         }
1135
1136         return wantarray ? %res : \%res;
1137 }
1138
1139 # parse line of git-ls-tree output
1140 sub parse_ls_tree_line ($;%) {
1141         my $line = shift;
1142         my %opts = @_;
1143         my %res;
1144
1145         #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
1146         $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1147
1148         $res{'mode'} = $1;
1149         $res{'type'} = $2;
1150         $res{'hash'} = $3;
1151         if ($opts{'-z'}) {
1152                 $res{'name'} = $4;
1153         } else {
1154                 $res{'name'} = unquote($4);
1155         }
1156
1157         return wantarray ? %res : \%res;
1158 }
1159
1160 ## ......................................................................
1161 ## parse to array of hashes functions
1162
1163 sub git_get_refs_list {
1164         my $type = shift || "";
1165         my %refs;
1166         my @reflist;
1167
1168         my @refs;
1169         open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/"
1170                 or return;
1171         while (my $line = <$fd>) {
1172                 chomp $line;
1173                 if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?([^\^]+))(\^\{\})?$/) {
1174                         if (defined $refs{$1}) {
1175                                 push @{$refs{$1}}, $2;
1176                         } else {
1177                                 $refs{$1} = [ $2 ];
1178                         }
1179
1180                         if (! $4) { # unpeeled, direct reference
1181                                 push @refs, { hash => $1, name => $3 }; # without type
1182                         } elsif ($3 eq $refs[-1]{'name'}) {
1183                                 # most likely a tag is followed by its peeled
1184                                 # (deref) one, and when that happens we know the
1185                                 # previous one was of type 'tag'.
1186                                 $refs[-1]{'type'} = "tag";
1187                         }
1188                 }
1189         }
1190         close $fd;
1191
1192         foreach my $ref (@refs) {
1193                 my $ref_file = $ref->{'name'};
1194                 my $ref_id   = $ref->{'hash'};
1195
1196                 my $type = $ref->{'type'} || git_get_type($ref_id) || next;
1197                 my %ref_item = parse_ref($ref_file, $ref_id, $type);
1198
1199                 push @reflist, \%ref_item;
1200         }
1201         # sort refs by age
1202         @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1203         return (\@reflist, \%refs);
1204 }
1205
1206 ## ----------------------------------------------------------------------
1207 ## filesystem-related functions
1208
1209 sub get_file_owner {
1210         my $path = shift;
1211
1212         my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
1213         my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
1214         if (!defined $gcos) {
1215                 return undef;
1216         }
1217         my $owner = $gcos;
1218         $owner =~ s/[,;].*$//;
1219         return decode("utf8", $owner, Encode::FB_DEFAULT);
1220 }
1221
1222 ## ......................................................................
1223 ## mimetype related functions
1224
1225 sub mimetype_guess_file {
1226         my $filename = shift;
1227         my $mimemap = shift;
1228         -r $mimemap or return undef;
1229
1230         my %mimemap;
1231         open(MIME, $mimemap) or return undef;
1232         while (<MIME>) {
1233                 next if m/^#/; # skip comments
1234                 my ($mime, $exts) = split(/\t+/);
1235                 if (defined $exts) {
1236                         my @exts = split(/\s+/, $exts);
1237                         foreach my $ext (@exts) {
1238                                 $mimemap{$ext} = $mime;
1239                         }
1240                 }
1241         }
1242         close(MIME);
1243
1244         $filename =~ /\.([^.]*)$/;
1245         return $mimemap{$1};
1246 }
1247
1248 sub mimetype_guess {
1249         my $filename = shift;
1250         my $mime;
1251         $filename =~ /\./ or return undef;
1252
1253         if ($mimetypes_file) {
1254                 my $file = $mimetypes_file;
1255                 if ($file !~ m!^/!) { # if it is relative path
1256                         # it is relative to project
1257                         $file = "$projectroot/$project/$file";
1258                 }
1259                 $mime = mimetype_guess_file($filename, $file);
1260         }
1261         $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1262         return $mime;
1263 }
1264
1265 sub blob_mimetype {
1266         my $fd = shift;
1267         my $filename = shift;
1268
1269         if ($filename) {
1270                 my $mime = mimetype_guess($filename);
1271                 $mime and return $mime;
1272         }
1273
1274         # just in case
1275         return $default_blob_plain_mimetype unless $fd;
1276
1277         if (-T $fd) {
1278                 return 'text/plain' .
1279                        ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1280         } elsif (! $filename) {
1281                 return 'application/octet-stream';
1282         } elsif ($filename =~ m/\.png$/i) {
1283                 return 'image/png';
1284         } elsif ($filename =~ m/\.gif$/i) {
1285                 return 'image/gif';
1286         } elsif ($filename =~ m/\.jpe?g$/i) {
1287                 return 'image/jpeg';
1288         } else {
1289                 return 'application/octet-stream';
1290         }
1291 }
1292
1293 ## ======================================================================
1294 ## functions printing HTML: header, footer, error page
1295
1296 sub git_header_html {
1297         my $status = shift || "200 OK";
1298         my $expires = shift;
1299
1300         my $title = "$site_name git";
1301         if (defined $project) {
1302                 $title .= " - $project";
1303                 if (defined $action) {
1304                         $title .= "/$action";
1305                         if (defined $file_name) {
1306                                 $title .= " - " . esc_html($file_name);
1307                                 if ($action eq "tree" && $file_name !~ m|/$|) {
1308                                         $title .= "/";
1309                                 }
1310                         }
1311                 }
1312         }
1313         my $content_type;
1314         # require explicit support from the UA if we are to send the page as
1315         # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
1316         # we have to do this because MSIE sometimes globs '*/*', pretending to
1317         # support xhtml+xml but choking when it gets what it asked for.
1318         if (defined $cgi->http('HTTP_ACCEPT') &&
1319             $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ &&
1320             $cgi->Accept('application/xhtml+xml') != 0) {
1321                 $content_type = 'application/xhtml+xml';
1322         } else {
1323                 $content_type = 'text/html';
1324         }
1325         print $cgi->header(-type=>$content_type, -charset => 'utf-8',
1326                            -status=> $status, -expires => $expires);
1327         print <<EOF;
1328 <?xml version="1.0" encoding="utf-8"?>
1329 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
1330 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
1331 <!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
1332 <!-- git core binaries version $git_version -->
1333 <head>
1334 <meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
1335 <meta name="generator" content="gitweb/$version git/$git_version"/>
1336 <meta name="robots" content="index, nofollow"/>
1337 <title>$title</title>
1338 <link rel="stylesheet" type="text/css" href="$stylesheet"/>
1339 EOF
1340         if (defined $project) {
1341                 printf('<link rel="alternate" title="%s log" '.
1342                        'href="%s" type="application/rss+xml"/>'."\n",
1343                        esc_param($project), href(action=>"rss"));
1344         } else {
1345                 printf('<link rel="alternate" title="%s projects list" '.
1346                        'href="%s" type="text/plain; charset=utf-8"/>'."\n",
1347                        $site_name, href(project=>undef, action=>"project_index"));
1348                 printf('<link rel="alternate" title="%s projects logs" '.
1349                        'href="%s" type="text/x-opml"/>'."\n",
1350                        $site_name, href(project=>undef, action=>"opml"));
1351         }
1352         if (defined $favicon) {
1353                 print qq(<link rel="shortcut icon" href="$favicon" type="image/png"/>\n);
1354         }
1355
1356         print "</head>\n" .
1357               "<body>\n" .
1358               "<div class=\"page_header\">\n" .
1359               "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
1360               "<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
1361               "</a>\n";
1362         print $cgi->a({-href => esc_param($home_link)}, $home_link_str) . " / ";
1363         if (defined $project) {
1364                 print $cgi->a({-href => href(action=>"summary")}, esc_html($project));
1365                 if (defined $action) {
1366                         print " / $action";
1367                 }
1368                 print "\n";
1369                 if (!defined $searchtext) {
1370                         $searchtext = "";
1371                 }
1372                 my $search_hash;
1373                 if (defined $hash_base) {
1374                         $search_hash = $hash_base;
1375                 } elsif (defined $hash) {
1376                         $search_hash = $hash;
1377                 } else {
1378                         $search_hash = "HEAD";
1379                 }
1380                 $cgi->param("a", "search");
1381                 $cgi->param("h", $search_hash);
1382                 print $cgi->startform(-method => "get", -action => $my_uri) .
1383                       "<div class=\"search\">\n" .
1384                       $cgi->hidden(-name => "p") . "\n" .
1385                       $cgi->hidden(-name => "a") . "\n" .
1386                       $cgi->hidden(-name => "h") . "\n" .
1387                       $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
1388                       "</div>" .
1389                       $cgi->end_form() . "\n";
1390         }
1391         print "</div>\n";
1392 }
1393
1394 sub git_footer_html {
1395         print "<div class=\"page_footer\">\n";
1396         if (defined $project) {
1397                 my $descr = git_get_project_description($project);
1398                 if (defined $descr) {
1399                         print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
1400                 }
1401                 print $cgi->a({-href => href(action=>"rss"),
1402                               -class => "rss_logo"}, "RSS") . "\n";
1403         } else {
1404                 print $cgi->a({-href => href(project=>undef, action=>"opml"),
1405                               -class => "rss_logo"}, "OPML") . " ";
1406                 print $cgi->a({-href => href(project=>undef, action=>"project_index"),
1407                               -class => "rss_logo"}, "TXT") . "\n";
1408         }
1409         print "</div>\n" .
1410               "</body>\n" .
1411               "</html>";
1412 }
1413
1414 sub die_error {
1415         my $status = shift || "403 Forbidden";
1416         my $error = shift || "Malformed query, file missing or permission denied";
1417
1418         git_header_html($status);
1419         print <<EOF;
1420 <div class="page_body">
1421 <br /><br />
1422 $status - $error
1423 <br />
1424 </div>
1425 EOF
1426         git_footer_html();
1427         exit;
1428 }
1429
1430 ## ----------------------------------------------------------------------
1431 ## functions printing or outputting HTML: navigation
1432
1433 sub git_print_page_nav {
1434         my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
1435         $extra = '' if !defined $extra; # pager or formats
1436
1437         my @navs = qw(summary shortlog log commit commitdiff tree);
1438         if ($suppress) {
1439                 @navs = grep { $_ ne $suppress } @navs;
1440         }
1441
1442         my %arg = map { $_ => {action=>$_} } @navs;
1443         if (defined $head) {
1444                 for (qw(commit commitdiff)) {
1445                         $arg{$_}{hash} = $head;
1446                 }
1447                 if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
1448                         for (qw(shortlog log)) {
1449                                 $arg{$_}{hash} = $head;
1450                         }
1451                 }
1452         }
1453         $arg{tree}{hash} = $treehead if defined $treehead;
1454         $arg{tree}{hash_base} = $treebase if defined $treebase;
1455
1456         print "<div class=\"page_nav\">\n" .
1457                 (join " | ",
1458                  map { $_ eq $current ?
1459                        $_ : $cgi->a({-href => href(%{$arg{$_}})}, "$_")
1460                  } @navs);
1461         print "<br/>\n$extra<br/>\n" .
1462               "</div>\n";
1463 }
1464
1465 sub format_paging_nav {
1466         my ($action, $hash, $head, $page, $nrevs) = @_;
1467         my $paging_nav;
1468
1469
1470         if ($hash ne $head || $page) {
1471                 $paging_nav .= $cgi->a({-href => href(action=>$action)}, "HEAD");
1472         } else {
1473                 $paging_nav .= "HEAD";
1474         }
1475
1476         if ($page > 0) {
1477                 $paging_nav .= " &sdot; " .
1478                         $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page-1),
1479                                  -accesskey => "p", -title => "Alt-p"}, "prev");
1480         } else {
1481                 $paging_nav .= " &sdot; prev";
1482         }
1483
1484         if ($nrevs >= (100 * ($page+1)-1)) {
1485                 $paging_nav .= " &sdot; " .
1486                         $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page+1),
1487                                  -accesskey => "n", -title => "Alt-n"}, "next");
1488         } else {
1489                 $paging_nav .= " &sdot; next";
1490         }
1491
1492         return $paging_nav;
1493 }
1494
1495 ## ......................................................................
1496 ## functions printing or outputting HTML: div
1497
1498 sub git_print_header_div {
1499         my ($action, $title, $hash, $hash_base) = @_;
1500         my %args = ();
1501
1502         $args{action} = $action;
1503         $args{hash} = $hash if $hash;
1504         $args{hash_base} = $hash_base if $hash_base;
1505
1506         print "<div class=\"header\">\n" .
1507               $cgi->a({-href => href(%args), -class => "title"},
1508               $title ? $title : $action) .
1509               "\n</div>\n";
1510 }
1511
1512 #sub git_print_authorship (\%) {
1513 sub git_print_authorship {
1514         my $co = shift;
1515
1516         my %ad = parse_date($co->{'author_epoch'}, $co->{'author_tz'});
1517         print "<div class=\"author_date\">" .
1518               esc_html($co->{'author_name'}) .
1519               " [$ad{'rfc2822'}";
1520         if ($ad{'hour_local'} < 6) {
1521                 printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
1522                        $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1523         } else {
1524                 printf(" (%02d:%02d %s)",
1525                        $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1526         }
1527         print "]</div>\n";
1528 }
1529
1530 sub git_print_page_path {
1531         my $name = shift;
1532         my $type = shift;
1533         my $hb = shift;
1534
1535         if (!defined $name) {
1536                 print "<div class=\"page_path\">/</div>\n";
1537         } else {
1538                 my @dirname = split '/', $name;
1539                 my $basename = pop @dirname;
1540                 my $fullname = '';
1541
1542                 print "<div class=\"page_path\">";
1543                 print $cgi->a({-href => href(action=>"tree", hash_base=>$hb),
1544                               -title => 'tree root'}, "[$project]");
1545                 print " / ";
1546                 foreach my $dir (@dirname) {
1547                         $fullname .= ($fullname ? '/' : '') . $dir;
1548                         print $cgi->a({-href => href(action=>"tree", file_name=>$fullname,
1549                                                      hash_base=>$hb),
1550                                       -title => $fullname}, esc_html($dir));
1551                         print " / ";
1552                 }
1553                 if (defined $type && $type eq 'blob') {
1554                         print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
1555                                                      hash_base=>$hb),
1556                                       -title => $name}, esc_html($basename));
1557                 } elsif (defined $type && $type eq 'tree') {
1558                         print $cgi->a({-href => href(action=>"tree", file_name=>$file_name,
1559                                                      hash_base=>$hb),
1560                                       -title => $name}, esc_html($basename));
1561                 } else {
1562                         print esc_html($basename);
1563                 }
1564                 print "<br/></div>\n";
1565         }
1566 }
1567
1568 # sub git_print_log (\@;%) {
1569 sub git_print_log ($;%) {
1570         my $log = shift;
1571         my %opts = @_;
1572
1573         if ($opts{'-remove_title'}) {
1574                 # remove title, i.e. first line of log
1575                 shift @$log;
1576         }
1577         # remove leading empty lines
1578         while (defined $log->[0] && $log->[0] eq "") {
1579                 shift @$log;
1580         }
1581
1582         # print log
1583         my $signoff = 0;
1584         my $empty = 0;
1585         foreach my $line (@$log) {
1586                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1587                         $signoff = 1;
1588                         $empty = 0;
1589                         if (! $opts{'-remove_signoff'}) {
1590                                 print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1591                                 next;
1592                         } else {
1593                                 # remove signoff lines
1594                                 next;
1595                         }
1596                 } else {
1597                         $signoff = 0;
1598                 }
1599
1600                 # print only one empty line
1601                 # do not print empty line after signoff
1602                 if ($line eq "") {
1603                         next if ($empty || $signoff);
1604                         $empty = 1;
1605                 } else {
1606                         $empty = 0;
1607                 }
1608
1609                 print format_log_line_html($line) . "<br/>\n";
1610         }
1611
1612         if ($opts{'-final_empty_line'}) {
1613                 # end with single empty line
1614                 print "<br/>\n" unless $empty;
1615         }
1616 }
1617
1618 sub git_print_simplified_log {
1619         my $log = shift;
1620         my $remove_title = shift;
1621
1622         git_print_log($log,
1623                 -final_empty_line=> 1,
1624                 -remove_title => $remove_title);
1625 }
1626
1627 # print tree entry (row of git_tree), but without encompassing <tr> element
1628 sub git_print_tree_entry {
1629         my ($t, $basedir, $hash_base, $have_blame) = @_;
1630
1631         my %base_key = ();
1632         $base_key{hash_base} = $hash_base if defined $hash_base;
1633
1634         # The format of a table row is: mode list link.  Where mode is
1635         # the mode of the entry, list is the name of the entry, an href,
1636         # and link is the action links of the entry.
1637
1638         print "<td class=\"mode\">" . mode_str($t->{'mode'}) . "</td>\n";
1639         if ($t->{'type'} eq "blob") {
1640                 print "<td class=\"list\">" .
1641                         $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
1642                                                file_name=>"$basedir$t->{'name'}", %base_key),
1643                                  -class => "list"}, esc_html($t->{'name'})) . "</td>\n";
1644                 print "<td class=\"link\">";
1645                 if ($have_blame) {
1646                         print $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
1647                                                      file_name=>"$basedir$t->{'name'}", %base_key)},
1648                                       "blame");
1649                 }
1650                 if (defined $hash_base) {
1651                         if ($have_blame) {
1652                                 print " | ";
1653                         }
1654                         print $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
1655                                                      hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
1656                                       "history");
1657                 }
1658                 print " | " .
1659                       $cgi->a({-href => href(action=>"blob_plain",
1660                                              hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
1661                               "raw");
1662                 print "</td>\n";
1663
1664         } elsif ($t->{'type'} eq "tree") {
1665                 print "<td class=\"list\">";
1666                 print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
1667                                              file_name=>"$basedir$t->{'name'}", %base_key)},
1668                               esc_html($t->{'name'}));
1669                 print "</td>\n";
1670                 print "<td class=\"link\">";
1671                 if (defined $hash_base) {
1672                         print $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
1673                                                      file_name=>"$basedir$t->{'name'}")},
1674                                       "history");
1675                 }
1676                 print "</td>\n";
1677         }
1678 }
1679
1680 ## ......................................................................
1681 ## functions printing large fragments of HTML
1682
1683 sub git_difftree_body {
1684         my ($difftree, $hash, $parent) = @_;
1685
1686         print "<div class=\"list_head\">\n";
1687         if ($#{$difftree} > 10) {
1688                 print(($#{$difftree} + 1) . " files changed:\n");
1689         }
1690         print "</div>\n";
1691
1692         print "<table class=\"diff_tree\">\n";
1693         my $alternate = 0;
1694         my $patchno = 0;
1695         foreach my $line (@{$difftree}) {
1696                 my %diff = parse_difftree_raw_line($line);
1697
1698                 if ($alternate) {
1699                         print "<tr class=\"dark\">\n";
1700                 } else {
1701                         print "<tr class=\"light\">\n";
1702                 }
1703                 $alternate ^= 1;
1704
1705                 my ($to_mode_oct, $to_mode_str, $to_file_type);
1706                 my ($from_mode_oct, $from_mode_str, $from_file_type);
1707                 if ($diff{'to_mode'} ne ('0' x 6)) {
1708                         $to_mode_oct = oct $diff{'to_mode'};
1709                         if (S_ISREG($to_mode_oct)) { # only for regular file
1710                                 $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
1711                         }
1712                         $to_file_type = file_type($diff{'to_mode'});
1713                 }
1714                 if ($diff{'from_mode'} ne ('0' x 6)) {
1715                         $from_mode_oct = oct $diff{'from_mode'};
1716                         if (S_ISREG($to_mode_oct)) { # only for regular file
1717                                 $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
1718                         }
1719                         $from_file_type = file_type($diff{'from_mode'});
1720                 }
1721
1722                 if ($diff{'status'} eq "A") { # created
1723                         my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
1724                         $mode_chng   .= " with mode: $to_mode_str" if $to_mode_str;
1725                         $mode_chng   .= "]</span>";
1726                         print "<td>" .
1727                               $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1728                                                      hash_base=>$hash, file_name=>$diff{'file'}),
1729                                       -class => "list"}, esc_html($diff{'file'})) .
1730                               "</td>\n" .
1731                               "<td>$mode_chng</td>\n" .
1732                               "<td class=\"link\">" .
1733                               $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1734                                                      hash_base=>$hash, file_name=>$diff{'file'})},
1735                                       "blob");
1736                         if ($action eq 'commitdiff') {
1737                                 # link to patch
1738                                 $patchno++;
1739                                 print " | " .
1740                                       $cgi->a({-href => "#patch$patchno"}, "patch");
1741                         }
1742                         print "</td>\n";
1743
1744                 } elsif ($diff{'status'} eq "D") { # deleted
1745                         my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
1746                         print "<td>" .
1747                               $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1748                                                      hash_base=>$parent, file_name=>$diff{'file'}),
1749                                        -class => "list"}, esc_html($diff{'file'})) .
1750                               "</td>\n" .
1751                               "<td>$mode_chng</td>\n" .
1752                               "<td class=\"link\">" .
1753                               $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1754                                                      hash_base=>$parent, file_name=>$diff{'file'})},
1755                                       "blob") .
1756                               " | ";
1757                         if ($action eq 'commitdiff') {
1758                                 # link to patch
1759                                 $patchno++;
1760                                 print " | " .
1761                                       $cgi->a({-href => "#patch$patchno"}, "patch");
1762                         }
1763                         print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
1764                                                      file_name=>$diff{'file'})},
1765                                       "history") .
1766                               "</td>\n";
1767
1768                 } elsif ($diff{'status'} eq "M" || $diff{'status'} eq "T") { # modified, or type changed
1769                         my $mode_chnge = "";
1770                         if ($diff{'from_mode'} != $diff{'to_mode'}) {
1771                                 $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
1772                                 if ($from_file_type != $to_file_type) {
1773                                         $mode_chnge .= " from $from_file_type to $to_file_type";
1774                                 }
1775                                 if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
1776                                         if ($from_mode_str && $to_mode_str) {
1777                                                 $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
1778                                         } elsif ($to_mode_str) {
1779                                                 $mode_chnge .= " mode: $to_mode_str";
1780                                         }
1781                                 }
1782                                 $mode_chnge .= "]</span>\n";
1783                         }
1784                         print "<td>";
1785                         if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1786                                 print $cgi->a({-href => href(action=>"blobdiff",
1787                                                              hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1788                                                              hash_base=>$hash, hash_parent_base=>$parent,
1789                                                              file_name=>$diff{'file'}),
1790                                               -class => "list"}, esc_html($diff{'file'}));
1791                         } else { # only mode changed
1792                                 print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1793                                                              hash_base=>$hash, file_name=>$diff{'file'}),
1794                                               -class => "list"}, esc_html($diff{'file'}));
1795                         }
1796                         print "</td>\n" .
1797                               "<td>$mode_chnge</td>\n" .
1798                               "<td class=\"link\">" .
1799                               $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1800                                                      hash_base=>$hash, file_name=>$diff{'file'})},
1801                                       "blob");
1802                         if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1803                                 if ($action eq 'commitdiff') {
1804                                         # link to patch
1805                                         $patchno++;
1806                                         print " | " .
1807                                                 $cgi->a({-href => "#patch$patchno"}, "patch");
1808                                 } else {
1809                                         print " | " .
1810                                                 $cgi->a({-href => href(action=>"blobdiff",
1811                                                                        hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1812                                                                        hash_base=>$hash, hash_parent_base=>$parent,
1813                                                                        file_name=>$diff{'file'})},
1814                                                         "diff");
1815                                 }
1816                         }
1817                         print " | " .
1818                                 $cgi->a({-href => href(action=>"history",
1819                                                        hash_base=>$hash, file_name=>$diff{'file'})},
1820                                         "history");
1821                         print "</td>\n";
1822
1823                 } elsif ($diff{'status'} eq "R" || $diff{'status'} eq "C") { # renamed or copied
1824                         my %status_name = ('R' => 'moved', 'C' => 'copied');
1825                         my $nstatus = $status_name{$diff{'status'}};
1826                         my $mode_chng = "";
1827                         if ($diff{'from_mode'} != $diff{'to_mode'}) {
1828                                 # mode also for directories, so we cannot use $to_mode_str
1829                                 $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
1830                         }
1831                         print "<td>" .
1832                               $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1833                                                      hash=>$diff{'to_id'}, file_name=>$diff{'to_file'}),
1834                                       -class => "list"}, esc_html($diff{'to_file'})) . "</td>\n" .
1835                               "<td><span class=\"file_status $nstatus\">[$nstatus from " .
1836                               $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
1837                                                      hash=>$diff{'from_id'}, file_name=>$diff{'from_file'}),
1838                                       -class => "list"}, esc_html($diff{'from_file'})) .
1839                               " with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
1840                               "<td class=\"link\">" .
1841                               $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1842                                                      hash=>$diff{'to_id'}, file_name=>$diff{'to_file'})},
1843                                       "blob");
1844                         if ($diff{'to_id'} ne $diff{'from_id'}) {
1845                                 if ($action eq 'commitdiff') {
1846                                         # link to patch
1847                                         $patchno++;
1848                                         print " | " .
1849                                                 $cgi->a({-href => "#patch$patchno"}, "patch");
1850                                 } else {
1851                                         print " | " .
1852                                                 $cgi->a({-href => href(action=>"blobdiff",
1853                                                                        hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1854                                                                        hash_base=>$hash, hash_parent_base=>$parent,
1855                                                                        file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
1856                                                         "diff");
1857                                 }
1858                         }
1859                         print "</td>\n";
1860
1861                 } # we should not encounter Unmerged (U) or Unknown (X) status
1862                 print "</tr>\n";
1863         }
1864         print "</table>\n";
1865 }
1866
1867 sub git_patchset_body {
1868         my ($fd, $difftree, $hash, $hash_parent) = @_;
1869
1870         my $patch_idx = 0;
1871         my $in_header = 0;
1872         my $patch_found = 0;
1873         my $diffinfo;
1874
1875         print "<div class=\"patchset\">\n";
1876
1877         LINE:
1878         while (my $patch_line = <$fd>) {
1879                 chomp $patch_line;
1880
1881                 if ($patch_line =~ m/^diff /) { # "git diff" header
1882                         # beginning of patch (in patchset)
1883                         if ($patch_found) {
1884                                 # close previous patch
1885                                 print "</div>\n"; # class="patch"
1886                         } else {
1887                                 # first patch in patchset
1888                                 $patch_found = 1;
1889                         }
1890                         print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n";
1891
1892                         if (ref($difftree->[$patch_idx]) eq "HASH") {
1893                                 $diffinfo = $difftree->[$patch_idx];
1894                         } else {
1895                                 $diffinfo = parse_difftree_raw_line($difftree->[$patch_idx]);
1896                         }
1897                         $patch_idx++;
1898
1899                         # for now, no extended header, hence we skip empty patches
1900                         # companion to  next LINE if $in_header;
1901                         if ($diffinfo->{'from_id'} eq $diffinfo->{'to_id'}) { # no change
1902                                 $in_header = 1;
1903                                 next LINE;
1904                         }
1905
1906                         if ($diffinfo->{'status'} eq "A") { # added
1907                                 print "<div class=\"diff_info\">" . file_type($diffinfo->{'to_mode'}) . ":" .
1908                                       $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1909                                                              hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
1910                                               $diffinfo->{'to_id'}) . "(new)" .
1911                                       "</div>\n"; # class="diff_info"
1912
1913                         } elsif ($diffinfo->{'status'} eq "D") { # deleted
1914                                 print "<div class=\"diff_info\">" . file_type($diffinfo->{'from_mode'}) . ":" .
1915                                       $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1916                                                              hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
1917                                               $diffinfo->{'from_id'}) . "(deleted)" .
1918                                       "</div>\n"; # class="diff_info"
1919
1920                         } elsif ($diffinfo->{'status'} eq "R" || # renamed
1921                                  $diffinfo->{'status'} eq "C" || # copied
1922                                  $diffinfo->{'status'} eq "2") { # with two filenames (from git_blobdiff)
1923                                 print "<div class=\"diff_info\">" .
1924                                       file_type($diffinfo->{'from_mode'}) . ":" .
1925                                       $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1926                                                              hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'from_file'})},
1927                                               $diffinfo->{'from_id'}) .
1928                                       " -> " .
1929                                       file_type($diffinfo->{'to_mode'}) . ":" .
1930                                       $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1931                                                              hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'to_file'})},
1932                                               $diffinfo->{'to_id'});
1933                                 print "</div>\n"; # class="diff_info"
1934
1935                         } else { # modified, mode changed, ...
1936                                 print "<div class=\"diff_info\">" .
1937                                       file_type($diffinfo->{'from_mode'}) . ":" .
1938                                       $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1939                                                              hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
1940                                               $diffinfo->{'from_id'}) .
1941                                       " -> " .
1942                                       file_type($diffinfo->{'to_mode'}) . ":" .
1943                                       $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1944                                                              hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
1945                                               $diffinfo->{'to_id'});
1946                                 print "</div>\n"; # class="diff_info"
1947                         }
1948
1949                         #print "<div class=\"diff extended_header\">\n";
1950                         $in_header = 1;
1951                         next LINE;
1952                 } # start of patch in patchset
1953
1954
1955                 if ($in_header && $patch_line =~ m/^---/) {
1956                         #print "</div>\n"; # class="diff extended_header"
1957                         $in_header = 0;
1958
1959                         my $file = $diffinfo->{'from_file'};
1960                         $file  ||= $diffinfo->{'file'};
1961                         $file = $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1962                                                        hash=>$diffinfo->{'from_id'}, file_name=>$file),
1963                                         -class => "list"}, esc_html($file));
1964                         $patch_line =~ s|a/.*$|a/$file|g;
1965                         print "<div class=\"diff from_file\">$patch_line</div>\n";
1966
1967                         $patch_line = <$fd>;
1968                         chomp $patch_line;
1969
1970                         #$patch_line =~ m/^+++/;
1971                         $file    = $diffinfo->{'to_file'};
1972                         $file  ||= $diffinfo->{'file'};
1973                         $file = $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1974                                                        hash=>$diffinfo->{'to_id'}, file_name=>$file),
1975                                         -class => "list"}, esc_html($file));
1976                         $patch_line =~ s|b/.*|b/$file|g;
1977                         print "<div class=\"diff to_file\">$patch_line</div>\n";
1978
1979                         next LINE;
1980                 }
1981                 next LINE if $in_header;
1982
1983                 print format_diff_line($patch_line);
1984         }
1985         print "</div>\n" if $patch_found; # class="patch"
1986
1987         print "</div>\n"; # class="patchset"
1988 }
1989
1990 # . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1991
1992 sub git_shortlog_body {
1993         # uses global variable $project
1994         my ($revlist, $from, $to, $refs, $extra) = @_;
1995
1996         $from = 0 unless defined $from;
1997         $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
1998
1999         print "<table class=\"shortlog\" cellspacing=\"0\">\n";
2000         my $alternate = 0;
2001         for (my $i = $from; $i <= $to; $i++) {
2002                 my $commit = $revlist->[$i];
2003                 #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
2004                 my $ref = format_ref_marker($refs, $commit);
2005                 my %co = parse_commit($commit);
2006                 if ($alternate) {
2007                         print "<tr class=\"dark\">\n";
2008                 } else {
2009                         print "<tr class=\"light\">\n";
2010                 }
2011                 $alternate ^= 1;
2012                 # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
2013                 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2014                       "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2015                       "<td>";
2016                 print format_subject_html($co{'title'}, $co{'title_short'},
2017                                           href(action=>"commit", hash=>$commit), $ref);
2018                 print "</td>\n" .
2019                       "<td class=\"link\">" .
2020                       $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
2021                       $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
2022                       $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree");
2023                 print "</td>\n" .
2024                       "</tr>\n";
2025         }
2026         if (defined $extra) {
2027                 print "<tr>\n" .
2028                       "<td colspan=\"4\">$extra</td>\n" .
2029                       "</tr>\n";
2030         }
2031         print "</table>\n";
2032 }
2033
2034 sub git_history_body {
2035         # Warning: assumes constant type (blob or tree) during history
2036         my ($revlist, $from, $to, $refs, $hash_base, $ftype, $extra) = @_;
2037
2038         $from = 0 unless defined $from;
2039         $to = $#{$revlist} unless (defined $to && $to <= $#{$revlist});
2040
2041         print "<table class=\"history\" cellspacing=\"0\">\n";
2042         my $alternate = 0;
2043         for (my $i = $from; $i <= $to; $i++) {
2044                 if ($revlist->[$i] !~ m/^([0-9a-fA-F]{40})/) {
2045                         next;
2046                 }
2047
2048                 my $commit = $1;
2049                 my %co = parse_commit($commit);
2050                 if (!%co) {
2051                         next;
2052                 }
2053
2054                 my $ref = format_ref_marker($refs, $commit);
2055
2056                 if ($alternate) {
2057                         print "<tr class=\"dark\">\n";
2058                 } else {
2059                         print "<tr class=\"light\">\n";
2060                 }
2061                 $alternate ^= 1;
2062                 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2063                       # shortlog uses      chop_str($co{'author_name'}, 10)
2064                       "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2065                       "<td>";
2066                 # originally git_history used chop_str($co{'title'}, 50)
2067                 print format_subject_html($co{'title'}, $co{'title_short'},
2068                                           href(action=>"commit", hash=>$commit), $ref);
2069                 print "</td>\n" .
2070                       "<td class=\"link\">" .
2071                       $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
2072                       $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
2073                       $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype);
2074
2075                 if ($ftype eq 'blob') {
2076                         my $blob_current = git_get_hash_by_path($hash_base, $file_name);
2077                         my $blob_parent  = git_get_hash_by_path($commit, $file_name);
2078                         if (defined $blob_current && defined $blob_parent &&
2079                                         $blob_current ne $blob_parent) {
2080                                 print " | " .
2081                                         $cgi->a({-href => href(action=>"blobdiff",
2082                                                                hash=>$blob_current, hash_parent=>$blob_parent,
2083                                                                hash_base=>$hash_base, hash_parent_base=>$commit,
2084                                                                file_name=>$file_name)},
2085                                                 "diff to current");
2086                         }
2087                 }
2088                 print "</td>\n" .
2089                       "</tr>\n";
2090         }
2091         if (defined $extra) {
2092                 print "<tr>\n" .
2093                       "<td colspan=\"4\">$extra</td>\n" .
2094                       "</tr>\n";
2095         }
2096         print "</table>\n";
2097 }
2098
2099 sub git_tags_body {
2100         # uses global variable $project
2101         my ($taglist, $from, $to, $extra) = @_;
2102         $from = 0 unless defined $from;
2103         $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
2104
2105         print "<table class=\"tags\" cellspacing=\"0\">\n";
2106         my $alternate = 0;
2107         for (my $i = $from; $i <= $to; $i++) {
2108                 my $entry = $taglist->[$i];
2109                 my %tag = %$entry;
2110                 my $comment_lines = $tag{'comment'};
2111                 my $comment = shift @$comment_lines;
2112                 my $comment_short;
2113                 if (defined $comment) {
2114                         $comment_short = chop_str($comment, 30, 5);
2115                 }
2116                 if ($alternate) {
2117                         print "<tr class=\"dark\">\n";
2118                 } else {
2119                         print "<tr class=\"light\">\n";
2120                 }
2121                 $alternate ^= 1;
2122                 print "<td><i>$tag{'age'}</i></td>\n" .
2123                       "<td>" .
2124                       $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
2125                                -class => "list name"}, esc_html($tag{'name'})) .
2126                       "</td>\n" .
2127                       "<td>";
2128                 if (defined $comment) {
2129                         print format_subject_html($comment, $comment_short,
2130                                                   href(action=>"tag", hash=>$tag{'id'}));
2131                 }
2132                 print "</td>\n" .
2133                       "<td class=\"selflink\">";
2134                 if ($tag{'type'} eq "tag") {
2135                         print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
2136                 } else {
2137                         print "&nbsp;";
2138                 }
2139                 print "</td>\n" .
2140                       "<td class=\"link\">" . " | " .
2141                       $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
2142                 if ($tag{'reftype'} eq "commit") {
2143                         print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") .
2144                               " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'refid'})}, "log");
2145                 } elsif ($tag{'reftype'} eq "blob") {
2146                         print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
2147                 }
2148                 print "</td>\n" .
2149                       "</tr>";
2150         }
2151         if (defined $extra) {
2152                 print "<tr>\n" .
2153                       "<td colspan=\"5\">$extra</td>\n" .
2154                       "</tr>\n";
2155         }
2156         print "</table>\n";
2157 }
2158
2159 sub git_heads_body {
2160         # uses global variable $project
2161         my ($headlist, $head, $from, $to, $extra) = @_;
2162         $from = 0 unless defined $from;
2163         $to = $#{$headlist} if (!defined $to || $#{$headlist} < $to);
2164
2165         print "<table class=\"heads\" cellspacing=\"0\">\n";
2166         my $alternate = 0;
2167         for (my $i = $from; $i <= $to; $i++) {
2168                 my $entry = $headlist->[$i];
2169                 my %tag = %$entry;
2170                 my $curr = $tag{'id'} eq $head;
2171                 if ($alternate) {
2172                         print "<tr class=\"dark\">\n";
2173                 } else {
2174                         print "<tr class=\"light\">\n";
2175                 }
2176                 $alternate ^= 1;
2177                 print "<td><i>$tag{'age'}</i></td>\n" .
2178                       ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
2179                       $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'}),
2180                                -class => "list name"},esc_html($tag{'name'})) .
2181                       "</td>\n" .
2182                       "<td class=\"link\">" .
2183                       $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") . " | " .
2184                       $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log") . " | " .
2185                       $cgi->a({-href => href(action=>"tree", hash=>$tag{'name'}, hash_base=>$tag{'name'})}, "tree") .
2186                       "</td>\n" .
2187                       "</tr>";
2188         }
2189         if (defined $extra) {
2190                 print "<tr>\n" .
2191                       "<td colspan=\"3\">$extra</td>\n" .
2192                       "</tr>\n";
2193         }
2194         print "</table>\n";
2195 }
2196
2197 ## ======================================================================
2198 ## ======================================================================
2199 ## actions
2200
2201 sub git_project_list {
2202         my $order = $cgi->param('o');
2203         if (defined $order && $order !~ m/project|descr|owner|age/) {
2204                 die_error(undef, "Unknown order parameter");
2205         }
2206
2207         my @list = git_get_projects_list();
2208         my @projects;
2209         if (!@list) {
2210                 die_error(undef, "No projects found");
2211         }
2212         foreach my $pr (@list) {
2213                 my $head = git_get_head_hash($pr->{'path'});
2214                 if (!defined $head) {
2215                         next;
2216                 }
2217                 $git_dir = "$projectroot/$pr->{'path'}";
2218                 my %co = parse_commit($head);
2219                 if (!%co) {
2220                         next;
2221                 }
2222                 $pr->{'commit'} = \%co;
2223                 if (!defined $pr->{'descr'}) {
2224                         my $descr = git_get_project_description($pr->{'path'}) || "";
2225                         $pr->{'descr'} = chop_str($descr, 25, 5);
2226                 }
2227                 if (!defined $pr->{'owner'}) {
2228                         $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
2229                 }
2230                 push @projects, $pr;
2231         }
2232
2233         git_header_html();
2234         if (-f $home_text) {
2235                 print "<div class=\"index_include\">\n";
2236                 open (my $fd, $home_text);
2237                 print <$fd>;
2238                 close $fd;
2239                 print "</div>\n";
2240         }
2241         print "<table class=\"project_list\">\n" .
2242               "<tr>\n";
2243         $order ||= "project";
2244         if ($order eq "project") {
2245                 @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
2246                 print "<th>Project</th>\n";
2247         } else {
2248                 print "<th>" .
2249                       $cgi->a({-href => href(project=>undef, order=>'project'),
2250                                -class => "header"}, "Project") .
2251                       "</th>\n";
2252         }
2253         if ($order eq "descr") {
2254                 @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
2255                 print "<th>Description</th>\n";
2256         } else {
2257                 print "<th>" .
2258                       $cgi->a({-href => href(project=>undef, order=>'descr'),
2259                                -class => "header"}, "Description") .
2260                       "</th>\n";
2261         }
2262         if ($order eq "owner") {
2263                 @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
2264                 print "<th>Owner</th>\n";
2265         } else {
2266                 print "<th>" .
2267                       $cgi->a({-href => href(project=>undef, order=>'owner'),
2268                                -class => "header"}, "Owner") .
2269                       "</th>\n";
2270         }
2271         if ($order eq "age") {
2272                 @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
2273                 print "<th>Last Change</th>\n";
2274         } else {
2275                 print "<th>" .
2276                       $cgi->a({-href => href(project=>undef, order=>'age'),
2277                                -class => "header"}, "Last Change") .
2278                       "</th>\n";
2279         }
2280         print "<th></th>\n" .
2281               "</tr>\n";
2282         my $alternate = 0;
2283         foreach my $pr (@projects) {
2284                 if ($alternate) {
2285                         print "<tr class=\"dark\">\n";
2286                 } else {
2287                         print "<tr class=\"light\">\n";
2288                 }
2289                 $alternate ^= 1;
2290                 print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
2291                                         -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
2292                       "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
2293                       "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
2294                 print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" .
2295                       $pr->{'commit'}{'age_string'} . "</td>\n" .
2296                       "<td class=\"link\">" .
2297                       $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
2298                       $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
2299                       $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " .
2300                       $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") .
2301                       "</td>\n" .
2302                       "</tr>\n";
2303         }
2304         print "</table>\n";
2305         git_footer_html();
2306 }
2307
2308 sub git_project_index {
2309         my @projects = git_get_projects_list();
2310
2311         print $cgi->header(
2312                 -type => 'text/plain',
2313                 -charset => 'utf-8',
2314                 -content_disposition => qq(inline; filename="index.aux"));
2315
2316         foreach my $pr (@projects) {
2317                 if (!exists $pr->{'owner'}) {
2318                         $pr->{'owner'} = get_file_owner("$projectroot/$project");
2319                 }
2320
2321                 my ($path, $owner) = ($pr->{'path'}, $pr->{'owner'});
2322                 # quote as in CGI::Util::encode, but keep the slash, and use '+' for ' '
2323                 $path  =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
2324                 $owner =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
2325                 $path  =~ s/ /\+/g;
2326                 $owner =~ s/ /\+/g;
2327
2328                 print "$path $owner\n";
2329         }
2330 }
2331
2332 sub git_summary {
2333         my $descr = git_get_project_description($project) || "none";
2334         my $head = git_get_head_hash($project);
2335         my %co = parse_commit($head);
2336         my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2337
2338         my $owner = git_get_project_owner($project);
2339
2340         my ($reflist, $refs) = git_get_refs_list();
2341
2342         my @taglist;
2343         my @headlist;
2344         foreach my $ref (@$reflist) {
2345                 if ($ref->{'name'} =~ s!^heads/!!) {
2346                         push @headlist, $ref;
2347                 } else {
2348                         $ref->{'name'} =~ s!^tags/!!;
2349                         push @taglist, $ref;
2350                 }
2351         }
2352
2353         git_header_html();
2354         git_print_page_nav('summary','', $head);
2355
2356         print "<div class=\"title\">&nbsp;</div>\n";
2357         print "<table cellspacing=\"0\">\n" .
2358               "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
2359               "<tr><td>owner</td><td>$owner</td></tr>\n" .
2360               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n";
2361         # use per project git URL list in $projectroot/$project/cloneurl
2362         # or make project git URL from git base URL and project name
2363         my $url_tag = "URL";
2364         my @url_list = git_get_project_url_list($project);
2365         @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
2366         foreach my $git_url (@url_list) {
2367                 next unless $git_url;
2368                 print "<tr><td>$url_tag</td><td>$git_url</td></tr>\n";
2369                 $url_tag = "";
2370         }
2371         print "</table>\n";
2372
2373         open my $fd, "-|", git_cmd(), "rev-list", "--max-count=17",
2374                 git_get_head_hash($project)
2375                 or die_error(undef, "Open git-rev-list failed");
2376         my @revlist = map { chomp; $_ } <$fd>;
2377         close $fd;
2378         git_print_header_div('shortlog');
2379         git_shortlog_body(\@revlist, 0, 15, $refs,
2380                           $cgi->a({-href => href(action=>"shortlog")}, "..."));
2381
2382         if (@taglist) {
2383                 git_print_header_div('tags');
2384                 git_tags_body(\@taglist, 0, 15,
2385                               $cgi->a({-href => href(action=>"tags")}, "..."));
2386         }
2387
2388         if (@headlist) {
2389                 git_print_header_div('heads');
2390                 git_heads_body(\@headlist, $head, 0, 15,
2391                                $cgi->a({-href => href(action=>"heads")}, "..."));
2392         }
2393
2394         git_footer_html();
2395 }
2396
2397 sub git_tag {
2398         my $head = git_get_head_hash($project);
2399         git_header_html();
2400         git_print_page_nav('','', $head,undef,$head);
2401         my %tag = parse_tag($hash);
2402         git_print_header_div('commit', esc_html($tag{'name'}), $hash);
2403         print "<div class=\"title_text\">\n" .
2404               "<table cellspacing=\"0\">\n" .
2405               "<tr>\n" .
2406               "<td>object</td>\n" .
2407               "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2408                                $tag{'object'}) . "</td>\n" .
2409               "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2410                                               $tag{'type'}) . "</td>\n" .
2411               "</tr>\n";
2412         if (defined($tag{'author'})) {
2413                 my %ad = parse_date($tag{'epoch'}, $tag{'tz'});
2414                 print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
2415                 print "<tr><td></td><td>" . $ad{'rfc2822'} .
2416                         sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) .
2417                         "</td></tr>\n";
2418         }
2419         print "</table>\n\n" .
2420               "</div>\n";
2421         print "<div class=\"page_body\">";
2422         my $comment = $tag{'comment'};
2423         foreach my $line (@$comment) {
2424                 print esc_html($line) . "<br/>\n";
2425         }
2426         print "</div>\n";
2427         git_footer_html();
2428 }
2429
2430 sub git_blame2 {
2431         my $fd;
2432         my $ftype;
2433
2434         my ($have_blame) = gitweb_check_feature('blame');
2435         if (!$have_blame) {
2436                 die_error('403 Permission denied', "Permission denied");
2437         }
2438         die_error('404 Not Found', "File name not defined") if (!$file_name);
2439         $hash_base ||= git_get_head_hash($project);
2440         die_error(undef, "Couldn't find base commit") unless ($hash_base);
2441         my %co = parse_commit($hash_base)
2442                 or die_error(undef, "Reading commit failed");
2443         if (!defined $hash) {
2444                 $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2445                         or die_error(undef, "Error looking up file");
2446         }
2447         $ftype = git_get_type($hash);
2448         if ($ftype !~ "blob") {
2449                 die_error("400 Bad Request", "Object is not a blob");
2450         }
2451         open ($fd, "-|", git_cmd(), "blame", '-l', '--', $file_name, $hash_base)
2452                 or die_error(undef, "Open git-blame failed");
2453         git_header_html();
2454         my $formats_nav =
2455                 $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2456                         "blob") .
2457                 " | " .
2458                 $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2459                         "history") .
2460                 " | " .
2461                 $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2462                         "HEAD");
2463         git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2464         git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2465         git_print_page_path($file_name, $ftype, $hash_base);
2466         my @rev_color = (qw(light2 dark2));
2467         my $num_colors = scalar(@rev_color);
2468         my $current_color = 0;
2469         my $last_rev;
2470         print <<HTML;
2471 <div class="page_body">
2472 <table class="blame">
2473 <tr><th>Prev</th><th>Diff</th><th>Commit</th><th>Line</th><th>Data</th></tr>
2474 HTML
2475         while (<$fd>) {
2476                 /^([0-9a-fA-F]{40}).*?(\d+)\)\s{1}(\s*.*)/;
2477                 my $full_rev = $1;
2478                 my $rev = substr($full_rev, 0, 8);
2479                 my $lineno = $2;
2480                 my $data = $3;
2481                 my %pco = parse_commit($full_rev);
2482                 my $parent = $pco{'parent'};
2483
2484                 if (!defined $last_rev) {
2485                         $last_rev = $full_rev;
2486                 } elsif ($last_rev ne $full_rev) {
2487                         $last_rev = $full_rev;
2488                         $current_color = ++$current_color % $num_colors;
2489                 }
2490                 print "<tr class=\"$rev_color[$current_color]\">\n";
2491                 # Print the Prev link
2492                 print "<td class=\"sha1\">";
2493                 print $cgi->a({-href => href(action=>"blame", hash_base=>$parent, file_name=>$file_name)},
2494                               esc_html(substr($parent, 0, 8)));
2495                 print "</td>\n";
2496                 # Print the Diff (blobdiff) link
2497                 print "<td>";
2498                 print $cgi->a({-href => href(action=>"blobdiff", file_name=>$file_name, hash_parent_base=>$parent,
2499                                              hash_base=>$full_rev)},
2500                               esc_html("Diff"));
2501                 print "</td>\n";
2502                 # Print the Commit link
2503                 print "<td class=\"sha1\">" .
2504                         $cgi->a({-href => href(action=>"commit", hash=>$full_rev, file_name=>$file_name)},
2505                                 esc_html($rev)) . "</td>\n";
2506                 # Print the Line number
2507                 print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" .
2508                       esc_html($lineno) . "</a></td>\n";
2509                 # Print the Data
2510                 print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
2511                 print "</tr>\n";
2512         }
2513         print "</table>\n";
2514         print "</div>";
2515         close $fd
2516                 or print "Reading blob failed\n";
2517         git_footer_html();
2518 }
2519
2520 sub git_blame {
2521         my $fd;
2522
2523         my ($have_blame) = gitweb_check_feature('blame');
2524         if (!$have_blame) {
2525                 die_error('403 Permission denied', "Permission denied");
2526         }
2527         die_error('404 Not Found', "File name not defined") if (!$file_name);
2528         $hash_base ||= git_get_head_hash($project);
2529         die_error(undef, "Couldn't find base commit") unless ($hash_base);
2530         my %co = parse_commit($hash_base)
2531                 or die_error(undef, "Reading commit failed");
2532         if (!defined $hash) {
2533                 $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2534                         or die_error(undef, "Error lookup file");
2535         }
2536         open ($fd, "-|", git_cmd(), "annotate", '-l', '-t', '-r', $file_name, $hash_base)
2537                 or die_error(undef, "Open git-annotate failed");
2538         git_header_html();
2539         my $formats_nav =
2540                 $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2541                         "blob") .
2542                 " | " .
2543                 $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2544                         "history") .
2545                 " | " .
2546                 $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2547                         "HEAD");
2548         git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2549         git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2550         git_print_page_path($file_name, 'blob', $hash_base);
2551         print "<div class=\"page_body\">\n";
2552         print <<HTML;
2553 <table class="blame">
2554   <tr>
2555     <th>Commit</th>
2556     <th>Age</th>
2557     <th>Author</th>
2558     <th>Line</th>
2559     <th>Data</th>
2560   </tr>
2561 HTML
2562         my @line_class = (qw(light dark));
2563         my $line_class_len = scalar (@line_class);
2564         my $line_class_num = $#line_class;
2565         while (my $line = <$fd>) {
2566                 my $long_rev;
2567                 my $short_rev;
2568                 my $author;
2569                 my $time;
2570                 my $lineno;
2571                 my $data;
2572                 my $age;
2573                 my $age_str;
2574                 my $age_class;
2575
2576                 chomp $line;
2577                 $line_class_num = ($line_class_num + 1) % $line_class_len;
2578
2579                 if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) [+-]\d\d\d\d\t(\d+)\)(.*)$/) {
2580                         $long_rev = $1;
2581                         $author   = $2;
2582                         $time     = $3;
2583                         $lineno   = $4;
2584                         $data     = $5;
2585                 } else {
2586                         print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
2587                         next;
2588                 }
2589                 $short_rev  = substr ($long_rev, 0, 8);
2590                 $age        = time () - $time;
2591                 $age_str    = age_string ($age);
2592                 $age_str    =~ s/ /&nbsp;/g;
2593                 $age_class  = age_class($age);
2594                 $author     = esc_html ($author);
2595                 $author     =~ s/ /&nbsp;/g;
2596
2597                 $data = untabify($data);
2598                 $data = esc_html ($data);
2599
2600                 print <<HTML;
2601   <tr class="$line_class[$line_class_num]">
2602     <td class="sha1"><a href="${\href (action=>"commit", hash=>$long_rev)}" class="text">$short_rev..</a></td>
2603     <td class="$age_class">$age_str</td>
2604     <td>$author</td>
2605     <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
2606     <td class="pre">$data</td>
2607   </tr>
2608 HTML
2609         } # while (my $line = <$fd>)
2610         print "</table>\n\n";
2611         close $fd
2612                 or print "Reading blob failed.\n";
2613         print "</div>";
2614         git_footer_html();
2615 }
2616
2617 sub git_tags {
2618         my $head = git_get_head_hash($project);
2619         git_header_html();
2620         git_print_page_nav('','', $head,undef,$head);
2621         git_print_header_div('summary', $project);
2622
2623         my ($taglist) = git_get_refs_list("tags");
2624         if (@$taglist) {
2625                 git_tags_body($taglist);
2626         }
2627         git_footer_html();
2628 }
2629
2630 sub git_heads {
2631         my $head = git_get_head_hash($project);
2632         git_header_html();
2633         git_print_page_nav('','', $head,undef,$head);
2634         git_print_header_div('summary', $project);
2635
2636         my ($headlist) = git_get_refs_list("heads");
2637         if (@$headlist) {
2638                 git_heads_body($headlist, $head);
2639         }
2640         git_footer_html();
2641 }
2642
2643 sub git_blob_plain {
2644         my $expires;
2645
2646         if (!defined $hash) {
2647                 if (defined $file_name) {
2648                         my $base = $hash_base || git_get_head_hash($project);
2649                         $hash = git_get_hash_by_path($base, $file_name, "blob")
2650                                 or die_error(undef, "Error lookup file");
2651                 } else {
2652                         die_error(undef, "No file name defined");
2653                 }
2654         } elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2655                 # blobs defined by non-textual hash id's can be cached
2656                 $expires = "+1d";
2657         }
2658
2659         my $type = shift;
2660         open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
2661                 or die_error(undef, "Couldn't cat $file_name, $hash");
2662
2663         $type ||= blob_mimetype($fd, $file_name);
2664
2665         # save as filename, even when no $file_name is given
2666         my $save_as = "$hash";
2667         if (defined $file_name) {
2668                 $save_as = $file_name;
2669         } elsif ($type =~ m/^text\//) {
2670                 $save_as .= '.txt';
2671         }
2672
2673         print $cgi->header(
2674                 -type => "$type",
2675                 -expires=>$expires,
2676                 -content_disposition => "inline; filename=\"$save_as\"");
2677         undef $/;
2678         binmode STDOUT, ':raw';
2679         print <$fd>;
2680         binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2681         $/ = "\n";
2682         close $fd;
2683 }
2684
2685 sub git_blob {
2686         my $expires;
2687
2688         if (!defined $hash) {
2689                 if (defined $file_name) {
2690                         my $base = $hash_base || git_get_head_hash($project);
2691                         $hash = git_get_hash_by_path($base, $file_name, "blob")
2692                                 or die_error(undef, "Error lookup file");
2693                 } else {
2694                         die_error(undef, "No file name defined");
2695                 }
2696         } elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2697                 # blobs defined by non-textual hash id's can be cached
2698                 $expires = "+1d";
2699         }
2700
2701         my ($have_blame) = gitweb_check_feature('blame');
2702         open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
2703                 or die_error(undef, "Couldn't cat $file_name, $hash");
2704         my $mimetype = blob_mimetype($fd, $file_name);
2705         if ($mimetype !~ m/^text\//) {
2706                 close $fd;
2707                 return git_blob_plain($mimetype);
2708         }
2709         git_header_html(undef, $expires);
2710         my $formats_nav = '';
2711         if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2712                 if (defined $file_name) {
2713                         if ($have_blame) {
2714                                 $formats_nav .=
2715                                         $cgi->a({-href => href(action=>"blame", hash_base=>$hash_base,
2716                                                                hash=>$hash, file_name=>$file_name)},
2717                                                 "blame") .
2718                                         " | ";
2719                         }
2720                         $formats_nav .=
2721                                 $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2722                                                        hash=>$hash, file_name=>$file_name)},
2723                                         "history") .
2724                                 " | " .
2725                                 $cgi->a({-href => href(action=>"blob_plain",
2726                                                        hash=>$hash, file_name=>$file_name)},
2727                                         "raw") .
2728                                 " | " .
2729                                 $cgi->a({-href => href(action=>"blob",
2730                                                        hash_base=>"HEAD", file_name=>$file_name)},
2731                                         "HEAD");
2732                 } else {
2733                         $formats_nav .=
2734                                 $cgi->a({-href => href(action=>"blob_plain", hash=>$hash)}, "raw");
2735                 }
2736                 git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2737                 git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2738         } else {
2739                 print "<div class=\"page_nav\">\n" .
2740                       "<br/><br/></div>\n" .
2741                       "<div class=\"title\">$hash</div>\n";
2742         }
2743         git_print_page_path($file_name, "blob", $hash_base);
2744         print "<div class=\"page_body\">\n";
2745         my $nr;
2746         while (my $line = <$fd>) {
2747                 chomp $line;
2748                 $nr++;
2749                 $line = untabify($line);
2750                 printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
2751                        $nr, $nr, $nr, esc_html($line);
2752         }
2753         close $fd
2754                 or print "Reading blob failed.\n";
2755         print "</div>";
2756         git_footer_html();
2757 }
2758
2759 sub git_tree {
2760         my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2761         my $have_snapshot = (defined $ctype && defined $suffix);
2762
2763         if (!defined $hash) {
2764                 $hash = git_get_head_hash($project);
2765                 if (defined $file_name) {
2766                         my $base = $hash_base || $hash;
2767                         $hash = git_get_hash_by_path($base, $file_name, "tree");
2768                 }
2769                 if (!defined $hash_base) {
2770                         $hash_base = $hash;
2771                 }
2772         }
2773         $/ = "\0";
2774         open my $fd, "-|", git_cmd(), "ls-tree", '-z', $hash
2775                 or die_error(undef, "Open git-ls-tree failed");
2776         my @entries = map { chomp; $_ } <$fd>;
2777         close $fd or die_error(undef, "Reading tree failed");
2778         $/ = "\n";
2779
2780         my $refs = git_get_references();
2781         my $ref = format_ref_marker($refs, $hash_base);
2782         git_header_html();
2783         my $base = "";
2784         my ($have_blame) = gitweb_check_feature('blame');
2785         if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2786                 my @views_nav = ();
2787                 if (defined $file_name) {
2788                         push @views_nav,
2789                                 $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2790                                                        hash=>$hash, file_name=>$file_name)},
2791                                         "history"),
2792                                 $cgi->a({-href => href(action=>"tree",
2793                                                        hash_base=>"HEAD", file_name=>$file_name)},
2794                                         "HEAD"),
2795                 }
2796                 if ($have_snapshot) {
2797                         # FIXME: Should be available when we have no hash base as well.
2798                         push @views_nav,
2799                                 $cgi->a({-href => href(action=>"snapshot", hash=>$hash)},
2800                                         "snapshot");
2801                 }
2802                 git_print_page_nav('tree','', $hash_base, undef, undef, join(' | ', @views_nav));
2803                 git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
2804         } else {
2805                 undef $hash_base;
2806                 print "<div class=\"page_nav\">\n";
2807                 print "<br/><br/></div>\n";
2808                 print "<div class=\"title\">$hash</div>\n";
2809         }
2810         if (defined $file_name) {
2811                 $base = esc_html("$file_name/");
2812         }
2813         git_print_page_path($file_name, 'tree', $hash_base);
2814         print "<div class=\"page_body\">\n";
2815         print "<table cellspacing=\"0\">\n";
2816         my $alternate = 0;
2817         foreach my $line (@entries) {
2818                 my %t = parse_ls_tree_line($line, -z => 1);
2819
2820                 if ($alternate) {
2821                         print "<tr class=\"dark\">\n";
2822                 } else {
2823                         print "<tr class=\"light\">\n";
2824                 }
2825                 $alternate ^= 1;
2826
2827                 git_print_tree_entry(\%t, $base, $hash_base, $have_blame);
2828
2829                 print "</tr>\n";
2830         }
2831         print "</table>\n" .
2832               "</div>";
2833         git_footer_html();
2834 }
2835
2836 sub git_snapshot {
2837
2838         my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2839         my $have_snapshot = (defined $ctype && defined $suffix);
2840         if (!$have_snapshot) {
2841                 die_error('403 Permission denied', "Permission denied");
2842         }
2843
2844         if (!defined $hash) {
2845                 $hash = git_get_head_hash($project);
2846         }
2847
2848         my $filename = basename($project) . "-$hash.tar.$suffix";
2849
2850         print $cgi->header(-type => 'application/x-tar',
2851                            -content_encoding => $ctype,
2852                            -content_disposition => "inline; filename=\"$filename\"",
2853                            -status => '200 OK');
2854
2855         my $git_command = git_cmd_str();
2856         open my $fd, "-|", "$git_command tar-tree $hash \'$project\' | $command" or
2857                 die_error(undef, "Execute git-tar-tree failed.");
2858         binmode STDOUT, ':raw';
2859         print <$fd>;
2860         binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2861         close $fd;
2862
2863 }
2864
2865 sub git_log {
2866         my $head = git_get_head_hash($project);
2867         if (!defined $hash) {
2868                 $hash = $head;
2869         }
2870         if (!defined $page) {
2871                 $page = 0;
2872         }
2873         my $refs = git_get_references();
2874
2875         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2876         open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash
2877                 or die_error(undef, "Open git-rev-list failed");
2878         my @revlist = map { chomp; $_ } <$fd>;
2879         close $fd;
2880
2881         my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#revlist);
2882
2883         git_header_html();
2884         git_print_page_nav('log','', $hash,undef,undef, $paging_nav);
2885
2886         if (!@revlist) {
2887                 my %co = parse_commit($hash);
2888
2889                 git_print_header_div('summary', $project);
2890                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
2891         }
2892         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2893                 my $commit = $revlist[$i];
2894                 my $ref = format_ref_marker($refs, $commit);
2895                 my %co = parse_commit($commit);
2896                 next if !%co;
2897                 my %ad = parse_date($co{'author_epoch'});
2898                 git_print_header_div('commit',
2899                                "<span class=\"age\">$co{'age_string'}</span>" .
2900                                esc_html($co{'title'}) . $ref,
2901                                $commit);
2902                 print "<div class=\"title_text\">\n" .
2903                       "<div class=\"log_link\">\n" .
2904                       $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
2905                       " | " .
2906                       $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
2907                       " | " .
2908                       $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") .
2909                       "<br/>\n" .
2910                       "</div>\n" .
2911                       "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
2912                       "</div>\n";
2913
2914                 print "<div class=\"log_body\">\n";
2915                 git_print_simplified_log($co{'comment'});
2916                 print "</div>\n";
2917         }
2918         git_footer_html();
2919 }
2920
2921 sub git_commit {
2922         my %co = parse_commit($hash);
2923         if (!%co) {
2924                 die_error(undef, "Unknown commit object");
2925         }
2926         my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2927         my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2928
2929         my $parent = $co{'parent'};
2930         if (!defined $parent) {
2931                 $parent = "--root";
2932         }
2933         open my $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $parent, $hash
2934                 or die_error(undef, "Open git-diff-tree failed");
2935         my @difftree = map { chomp; $_ } <$fd>;
2936         close $fd or die_error(undef, "Reading git-diff-tree failed");
2937
2938         # non-textual hash id's can be cached
2939         my $expires;
2940         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2941                 $expires = "+1d";
2942         }
2943         my $refs = git_get_references();
2944         my $ref = format_ref_marker($refs, $co{'id'});
2945
2946         my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2947         my $have_snapshot = (defined $ctype && defined $suffix);
2948
2949         my @views_nav = ();
2950         if (defined $file_name && defined $co{'parent'}) {
2951                 my $parent = $co{'parent'};
2952                 push @views_nav,
2953                         $cgi->a({-href => href(action=>"blame", hash_parent=>$parent, file_name=>$file_name)},
2954                                 "blame");
2955         }
2956         if (defined $co{'parent'}) {
2957                 push @views_nav,
2958                         $cgi->a({-href => href(action=>"shortlog", hash=>$hash)}, "shortlog"),
2959                         $cgi->a({-href => href(action=>"log", hash=>$hash)}, "log");
2960         }
2961         git_header_html(undef, $expires);
2962         git_print_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
2963                            $hash, $co{'tree'}, $hash,
2964                            join (' | ', @views_nav));
2965
2966         if (defined $co{'parent'}) {
2967                 git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
2968         } else {
2969                 git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
2970         }
2971         print "<div class=\"title_text\">\n" .
2972               "<table cellspacing=\"0\">\n";
2973         print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
2974               "<tr>" .
2975               "<td></td><td> $ad{'rfc2822'}";
2976         if ($ad{'hour_local'} < 6) {
2977                 printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
2978                        $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2979         } else {
2980                 printf(" (%02d:%02d %s)",
2981                        $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2982         }
2983         print "</td>" .
2984               "</tr>\n";
2985         print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
2986         print "<tr><td></td><td> $cd{'rfc2822'}" .
2987               sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) .
2988               "</td></tr>\n";
2989         print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
2990         print "<tr>" .
2991               "<td>tree</td>" .
2992               "<td class=\"sha1\">" .
2993               $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
2994                        class => "list"}, $co{'tree'}) .
2995               "</td>" .
2996               "<td class=\"link\">" .
2997               $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
2998                       "tree");
2999         if ($have_snapshot) {
3000                 print " | " .
3001                       $cgi->a({-href => href(action=>"snapshot", hash=>$hash)}, "snapshot");
3002         }
3003         print "</td>" .
3004               "</tr>\n";
3005         my $parents = $co{'parents'};
3006         foreach my $par (@$parents) {
3007                 print "<tr>" .
3008                       "<td>parent</td>" .
3009                       "<td class=\"sha1\">" .
3010                       $cgi->a({-href => href(action=>"commit", hash=>$par),
3011                                class => "list"}, $par) .
3012                       "</td>" .
3013                       "<td class=\"link\">" .
3014                       $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
3015                       " | " .
3016                       $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "diff") .
3017                       "</td>" .
3018                       "</tr>\n";
3019         }
3020         print "</table>".
3021               "</div>\n";
3022
3023         print "<div class=\"page_body\">\n";
3024         git_print_log($co{'comment'});
3025         print "</div>\n";
3026
3027         git_difftree_body(\@difftree, $hash, $parent);
3028
3029         git_footer_html();
3030 }
3031
3032 sub git_blobdiff {
3033         my $format = shift || 'html';
3034
3035         my $fd;
3036         my @difftree;
3037         my %diffinfo;
3038         my $expires;
3039
3040         # preparing $fd and %diffinfo for git_patchset_body
3041         # new style URI
3042         if (defined $hash_base && defined $hash_parent_base) {
3043                 if (defined $file_name) {
3044                         # read raw output
3045                         open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base,
3046                                 "--", $file_name
3047                                 or die_error(undef, "Open git-diff-tree failed");
3048                         @difftree = map { chomp; $_ } <$fd>;
3049                         close $fd
3050                                 or die_error(undef, "Reading git-diff-tree failed");
3051                         @difftree
3052                                 or die_error('404 Not Found', "Blob diff not found");
3053
3054                 } elsif (defined $hash &&
3055                          $hash =~ /[0-9a-fA-F]{40}/) {
3056                         # try to find filename from $hash
3057
3058                         # read filtered raw output
3059                         open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base
3060                                 or die_error(undef, "Open git-diff-tree failed");
3061                         @difftree =
3062                                 # ':100644 100644 03b21826... 3b93d5e7... M     ls-files.c'
3063                                 # $hash == to_id
3064                                 grep { /^:[0-7]{6} [0-7]{6} [0-9a-fA-F]{40} $hash/ }
3065                                 map { chomp; $_ } <$fd>;
3066                         close $fd
3067                                 or die_error(undef, "Reading git-diff-tree failed");
3068                         @difftree
3069                                 or die_error('404 Not Found', "Blob diff not found");
3070
3071                 } else {
3072                         die_error('404 Not Found', "Missing one of the blob diff parameters");
3073                 }
3074
3075                 if (@difftree > 1) {
3076                         die_error('404 Not Found', "Ambiguous blob diff specification");
3077                 }
3078
3079                 %diffinfo = parse_difftree_raw_line($difftree[0]);
3080                 $file_parent ||= $diffinfo{'from_file'} || $file_name || $diffinfo{'file'};
3081                 $file_name   ||= $diffinfo{'to_file'}   || $diffinfo{'file'};
3082
3083                 $hash_parent ||= $diffinfo{'from_id'};
3084                 $hash        ||= $diffinfo{'to_id'};
3085
3086                 # non-textual hash id's can be cached
3087                 if ($hash_base =~ m/^[0-9a-fA-F]{40}$/ &&
3088                     $hash_parent_base =~ m/^[0-9a-fA-F]{40}$/) {
3089                         $expires = '+1d';
3090                 }
3091
3092                 # open patch output
3093                 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3094                         '-p', $hash_parent_base, $hash_base,
3095                         "--", $file_name
3096                         or die_error(undef, "Open git-diff-tree failed");
3097         }
3098
3099         # old/legacy style URI
3100         if (!%diffinfo && # if new style URI failed
3101             defined $hash && defined $hash_parent) {
3102                 # fake git-diff-tree raw output
3103                 $diffinfo{'from_mode'} = $diffinfo{'to_mode'} = "blob";
3104                 $diffinfo{'from_id'} = $hash_parent;
3105                 $diffinfo{'to_id'}   = $hash;
3106                 if (defined $file_name) {
3107                         if (defined $file_parent) {
3108                                 $diffinfo{'status'} = '2';
3109                                 $diffinfo{'from_file'} = $file_parent;
3110                                 $diffinfo{'to_file'}   = $file_name;
3111                         } else { # assume not renamed
3112                                 $diffinfo{'status'} = '1';
3113                                 $diffinfo{'from_file'} = $file_name;
3114                                 $diffinfo{'to_file'}   = $file_name;
3115                         }
3116                 } else { # no filename given
3117                         $diffinfo{'status'} = '2';
3118                         $diffinfo{'from_file'} = $hash_parent;
3119                         $diffinfo{'to_file'}   = $hash;
3120                 }
3121
3122                 # non-textual hash id's can be cached
3123                 if ($hash =~ m/^[0-9a-fA-F]{40}$/ &&
3124                     $hash_parent =~ m/^[0-9a-fA-F]{40}$/) {
3125                         $expires = '+1d';
3126                 }
3127
3128                 # open patch output
3129                 open $fd, "-|", git_cmd(), "diff", '-p', @diff_opts, $hash_parent, $hash
3130                         or die_error(undef, "Open git-diff failed");
3131         } else  {
3132                 die_error('404 Not Found', "Missing one of the blob diff parameters")
3133                         unless %diffinfo;
3134         }
3135
3136         # header
3137         if ($format eq 'html') {
3138                 my $formats_nav =
3139                         $cgi->a({-href => href(action=>"blobdiff_plain",
3140                                                hash=>$hash, hash_parent=>$hash_parent,
3141                                                hash_base=>$hash_base, hash_parent_base=>$hash_parent_base,
3142                                                file_name=>$file_name, file_parent=>$file_parent)},
3143                                 "raw");
3144                 git_header_html(undef, $expires);
3145                 if (defined $hash_base && (my %co = parse_commit($hash_base))) {
3146                         git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
3147                         git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
3148                 } else {
3149                         print "<div class=\"page_nav\"><br/>$formats_nav<br/></div>\n";
3150                         print "<div class=\"title\">$hash vs $hash_parent</div>\n";
3151                 }
3152                 if (defined $file_name) {
3153                         git_print_page_path($file_name, "blob", $hash_base);
3154                 } else {
3155                         print "<div class=\"page_path\"></div>\n";
3156                 }
3157
3158         } elsif ($format eq 'plain') {
3159                 print $cgi->header(
3160                         -type => 'text/plain',
3161                         -charset => 'utf-8',
3162                         -expires => $expires,
3163                         -content_disposition => qq(inline; filename=") . quotemeta($file_name) . qq(.patch"));
3164
3165                 print "X-Git-Url: " . $cgi->self_url() . "\n\n";
3166
3167         } else {
3168                 die_error(undef, "Unknown blobdiff format");
3169         }
3170
3171         # patch
3172         if ($format eq 'html') {
3173                 print "<div class=\"page_body\">\n";
3174
3175                 git_patchset_body($fd, [ \%diffinfo ], $hash_base, $hash_parent_base);
3176                 close $fd;
3177
3178                 print "</div>\n"; # class="page_body"
3179                 git_footer_html();
3180
3181         } else {
3182                 while (my $line = <$fd>) {
3183                         $line =~ s!a/($hash|$hash_parent)!'a/'.esc_html($diffinfo{'from_file'})!eg;
3184                         $line =~ s!b/($hash|$hash_parent)!'b/'.esc_html($diffinfo{'to_file'})!eg;
3185
3186                         print $line;
3187
3188                         last if $line =~ m!^\+\+\+!;
3189                 }
3190                 local $/ = undef;
3191                 print <$fd>;
3192                 close $fd;
3193         }
3194 }
3195
3196 sub git_blobdiff_plain {
3197         git_blobdiff('plain');
3198 }
3199
3200 sub git_commitdiff {
3201         my $format = shift || 'html';
3202         my %co = parse_commit($hash);
3203         if (!%co) {
3204                 die_error(undef, "Unknown commit object");
3205         }
3206         if (!defined $hash_parent) {
3207                 $hash_parent = $co{'parent'} || '--root';
3208         }
3209
3210         # read commitdiff
3211         my $fd;
3212         my @difftree;
3213         if ($format eq 'html') {
3214                 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3215                         "--patch-with-raw", "--full-index", $hash_parent, $hash
3216                         or die_error(undef, "Open git-diff-tree failed");
3217
3218                 while (chomp(my $line = <$fd>)) {
3219                         # empty line ends raw part of diff-tree output
3220                         last unless $line;
3221                         push @difftree, $line;
3222                 }
3223
3224         } elsif ($format eq 'plain') {
3225                 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3226                         '-p', $hash_parent, $hash
3227                         or die_error(undef, "Open git-diff-tree failed");
3228
3229         } else {
3230                 die_error(undef, "Unknown commitdiff format");
3231         }
3232
3233         # non-textual hash id's can be cached
3234         my $expires;
3235         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
3236                 $expires = "+1d";
3237         }
3238
3239         # write commit message
3240         if ($format eq 'html') {
3241                 my $refs = git_get_references();
3242                 my $ref = format_ref_marker($refs, $co{'id'});
3243                 my $formats_nav =
3244                         $cgi->a({-href => href(action=>"commitdiff_plain",
3245                                                hash=>$hash, hash_parent=>$hash_parent)},
3246                                 "raw");
3247
3248                 git_header_html(undef, $expires);
3249                 git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
3250                 git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
3251                 git_print_authorship(\%co);
3252                 print "<div class=\"page_body\">\n";
3253                 print "<div class=\"log\">\n";
3254                 git_print_simplified_log($co{'comment'}, 1); # skip title
3255                 print "</div>\n"; # class="log"
3256
3257         } elsif ($format eq 'plain') {
3258                 my $refs = git_get_references("tags");
3259                 my $tagname = git_get_rev_name_tags($hash);
3260                 my $filename = basename($project) . "-$hash.patch";
3261
3262                 print $cgi->header(
3263                         -type => 'text/plain',
3264                         -charset => 'utf-8',
3265                         -expires => $expires,
3266                         -content_disposition => qq(inline; filename="$filename"));
3267                 my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
3268                 print <<TEXT;
3269 From: $co{'author'}
3270 Date: $ad{'rfc2822'} ($ad{'tz_local'})
3271 Subject: $co{'title'}
3272 TEXT
3273                 print "X-Git-Tag: $tagname\n" if $tagname;
3274                 print "X-Git-Url: " . $cgi->self_url() . "\n\n";
3275
3276                 foreach my $line (@{$co{'comment'}}) {
3277                         print "$line\n";
3278                 }
3279                 print "---\n\n";
3280         }
3281
3282         # write patch
3283         if ($format eq 'html') {
3284                 git_difftree_body(\@difftree, $hash, $hash_parent);
3285                 print "<br/>\n";
3286
3287                 git_patchset_body($fd, \@difftree, $hash, $hash_parent);
3288                 close $fd;
3289                 print "</div>\n"; # class="page_body"
3290                 git_footer_html();
3291
3292         } elsif ($format eq 'plain') {
3293                 local $/ = undef;
3294                 print <$fd>;
3295                 close $fd
3296                         or print "Reading git-diff-tree failed\n";
3297         }
3298 }
3299
3300 sub git_commitdiff_plain {
3301         git_commitdiff('plain');
3302 }
3303
3304 sub git_history {
3305         if (!defined $hash_base) {
3306                 $hash_base = git_get_head_hash($project);
3307         }
3308         if (!defined $page) {
3309                 $page = 0;
3310         }
3311         my $ftype;
3312         my %co = parse_commit($hash_base);
3313         if (!%co) {
3314                 die_error(undef, "Unknown commit object");
3315         }
3316
3317         my $refs = git_get_references();
3318         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3319
3320         if (!defined $hash && defined $file_name) {
3321                 $hash = git_get_hash_by_path($hash_base, $file_name);
3322         }
3323         if (defined $hash) {
3324                 $ftype = git_get_type($hash);
3325         }
3326
3327         open my $fd, "-|",
3328                 git_cmd(), "rev-list", $limit, "--full-history", $hash_base, "--", $file_name
3329                         or die_error(undef, "Open git-rev-list-failed");
3330         my @revlist = map { chomp; $_ } <$fd>;
3331         close $fd
3332                 or die_error(undef, "Reading git-rev-list failed");
3333
3334         my $paging_nav = '';
3335         if ($page > 0) {
3336                 $paging_nav .=
3337                         $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3338                                                file_name=>$file_name)},
3339                                 "first");
3340                 $paging_nav .= " &sdot; " .
3341                         $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3342                                                file_name=>$file_name, page=>$page-1),
3343                                  -accesskey => "p", -title => "Alt-p"}, "prev");
3344         } else {
3345                 $paging_nav .= "first";
3346                 $paging_nav .= " &sdot; prev";
3347         }
3348         if ($#revlist >= (100 * ($page+1)-1)) {
3349                 $paging_nav .= " &sdot; " .
3350                         $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3351                                                file_name=>$file_name, page=>$page+1),
3352                                  -accesskey => "n", -title => "Alt-n"}, "next");
3353         } else {
3354                 $paging_nav .= " &sdot; next";
3355         }
3356         my $next_link = '';
3357         if ($#revlist >= (100 * ($page+1)-1)) {
3358                 $next_link =
3359                         $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3360                                                file_name=>$file_name, page=>$page+1),
3361                                  -title => "Alt-n"}, "next");
3362         }
3363
3364         git_header_html();
3365         git_print_page_nav('history','', $hash_base,$co{'tree'},$hash_base, $paging_nav);
3366         git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
3367         git_print_page_path($file_name, $ftype, $hash_base);
3368
3369         git_history_body(\@revlist, ($page * 100), $#revlist,
3370                          $refs, $hash_base, $ftype, $next_link);
3371
3372         git_footer_html();
3373 }
3374
3375 sub git_search {
3376         if (!defined $searchtext) {
3377                 die_error(undef, "Text field empty");
3378         }
3379         if (!defined $hash) {
3380                 $hash = git_get_head_hash($project);
3381         }
3382         my %co = parse_commit($hash);
3383         if (!%co) {
3384                 die_error(undef, "Unknown commit object");
3385         }
3386
3387         my $commit_search = 1;
3388         my $author_search = 0;
3389         my $committer_search = 0;
3390         my $pickaxe_search = 0;
3391         if ($searchtext =~ s/^author\\://i) {
3392                 $author_search = 1;
3393         } elsif ($searchtext =~ s/^committer\\://i) {
3394                 $committer_search = 1;
3395         } elsif ($searchtext =~ s/^pickaxe\\://i) {
3396                 $commit_search = 0;
3397                 $pickaxe_search = 1;
3398
3399                 # pickaxe may take all resources of your box and run for several minutes
3400                 # with every query - so decide by yourself how public you make this feature
3401                 my ($have_pickaxe) = gitweb_check_feature('pickaxe');
3402                 if (!$have_pickaxe) {
3403                         die_error('403 Permission denied', "Permission denied");
3404                 }
3405         }
3406         git_header_html();
3407         git_print_page_nav('','', $hash,$co{'tree'},$hash);
3408         git_print_header_div('commit', esc_html($co{'title'}), $hash);
3409
3410         print "<table cellspacing=\"0\">\n";
3411         my $alternate = 0;
3412         if ($commit_search) {
3413                 $/ = "\0";
3414                 open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", $hash or next;
3415                 while (my $commit_text = <$fd>) {
3416                         if (!grep m/$searchtext/i, $commit_text) {
3417                                 next;
3418                         }
3419                         if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
3420                                 next;
3421                         }
3422                         if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
3423                                 next;
3424                         }
3425                         my @commit_lines = split "\n", $commit_text;
3426                         my %co = parse_commit(undef, \@commit_lines);
3427                         if (!%co) {
3428                                 next;
3429                         }
3430                         if ($alternate) {
3431                                 print "<tr class=\"dark\">\n";
3432                         } else {
3433                                 print "<tr class=\"light\">\n";
3434                         }
3435                         $alternate ^= 1;
3436                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3437                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3438                               "<td>" .
3439                               $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), -class => "list subject"},
3440                                        esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3441                         my $comment = $co{'comment'};
3442                         foreach my $line (@$comment) {
3443                                 if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
3444                                         my $lead = esc_html($1) || "";
3445                                         $lead = chop_str($lead, 30, 10);
3446                                         my $match = esc_html($2) || "";
3447                                         my $trail = esc_html($3) || "";
3448                                         $trail = chop_str($trail, 30, 10);
3449                                         my $text = "$lead<span class=\"match\">$match</span>$trail";
3450                                         print chop_str($text, 80, 5) . "<br/>\n";
3451                                 }
3452                         }
3453                         print "</td>\n" .
3454                               "<td class=\"link\">" .
3455                               $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3456                               " | " .
3457                               $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3458                         print "</td>\n" .
3459                               "</tr>\n";
3460                 }
3461                 close $fd;
3462         }
3463
3464         if ($pickaxe_search) {
3465                 $/ = "\n";
3466                 my $git_command = git_cmd_str();
3467                 open my $fd, "-|", "$git_command rev-list $hash | " .
3468                         "$git_command diff-tree -r --stdin -S\'$searchtext\'";
3469                 undef %co;
3470                 my @files;
3471                 while (my $line = <$fd>) {
3472                         if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
3473                                 my %set;
3474                                 $set{'file'} = $6;
3475                                 $set{'from_id'} = $3;
3476                                 $set{'to_id'} = $4;
3477                                 $set{'id'} = $set{'to_id'};
3478                                 if ($set{'id'} =~ m/0{40}/) {
3479                                         $set{'id'} = $set{'from_id'};
3480                                 }
3481                                 if ($set{'id'} =~ m/0{40}/) {
3482                                         next;
3483                                 }
3484                                 push @files, \%set;
3485                         } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
3486                                 if (%co) {
3487                                         if ($alternate) {
3488                                                 print "<tr class=\"dark\">\n";
3489                                         } else {
3490                                                 print "<tr class=\"light\">\n";
3491                                         }
3492                                         $alternate ^= 1;
3493                                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3494                                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3495                                               "<td>" .
3496                                               $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
3497                                                       -class => "list subject"},
3498                                                       esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3499                                         while (my $setref = shift @files) {
3500                                                 my %set = %$setref;
3501                                                 print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
3502                                                                              hash=>$set{'id'}, file_name=>$set{'file'}),
3503                                                               -class => "list"},
3504                                                               "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
3505                                                       "<br/>\n";
3506                                         }
3507                                         print "</td>\n" .
3508                                               "<td class=\"link\">" .
3509                                               $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3510                                               " | " .
3511                                               $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3512                                         print "</td>\n" .
3513                                               "</tr>\n";
3514                                 }
3515                                 %co = parse_commit($1);
3516                         }
3517                 }
3518                 close $fd;
3519         }
3520         print "</table>\n";
3521         git_footer_html();
3522 }
3523
3524 sub git_shortlog {
3525         my $head = git_get_head_hash($project);
3526         if (!defined $hash) {
3527                 $hash = $head;
3528         }
3529         if (!defined $page) {
3530                 $page = 0;
3531         }
3532         my $refs = git_get_references();
3533
3534         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3535         open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash
3536                 or die_error(undef, "Open git-rev-list failed");
3537         my @revlist = map { chomp; $_ } <$fd>;
3538         close $fd;
3539
3540         my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#revlist);
3541         my $next_link = '';
3542         if ($#revlist >= (100 * ($page+1)-1)) {
3543                 $next_link =
3544                         $cgi->a({-href => href(action=>"shortlog", hash=>$hash, page=>$page+1),
3545                                  -title => "Alt-n"}, "next");
3546         }
3547
3548
3549         git_header_html();
3550         git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
3551         git_print_header_div('summary', $project);
3552
3553         git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
3554
3555         git_footer_html();
3556 }
3557
3558 ## ......................................................................
3559 ## feeds (RSS, OPML)
3560
3561 sub git_rss {
3562         # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
3563         open my $fd, "-|", git_cmd(), "rev-list", "--max-count=150", git_get_head_hash($project)
3564                 or die_error(undef, "Open git-rev-list failed");
3565         my @revlist = map { chomp; $_ } <$fd>;
3566         close $fd or die_error(undef, "Reading git-rev-list failed");
3567         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3568         print <<XML;
3569 <?xml version="1.0" encoding="utf-8"?>
3570 <rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
3571 <channel>
3572 <title>$project $my_uri $my_url</title>
3573 <link>${\esc_html("$my_url?p=$project;a=summary")}</link>
3574 <description>$project log</description>
3575 <language>en</language>
3576 XML
3577
3578         for (my $i = 0; $i <= $#revlist; $i++) {
3579                 my $commit = $revlist[$i];
3580                 my %co = parse_commit($commit);
3581                 # we read 150, we always show 30 and the ones more recent than 48 hours
3582                 if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
3583                         last;
3584                 }
3585                 my %cd = parse_date($co{'committer_epoch'});
3586                 open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3587                         $co{'parent'}, $co{'id'}
3588                         or next;
3589                 my @difftree = map { chomp; $_ } <$fd>;
3590                 close $fd
3591                         or next;
3592                 print "<item>\n" .
3593                       "<title>" .
3594                       sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
3595                       "</title>\n" .
3596                       "<author>" . esc_html($co{'author'}) . "</author>\n" .
3597                       "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
3598                       "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
3599                       "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
3600                       "<description>" . esc_html($co{'title'}) . "</description>\n" .
3601                       "<content:encoded>" .
3602                       "<![CDATA[\n";
3603                 my $comment = $co{'comment'};
3604                 foreach my $line (@$comment) {
3605                         $line = decode("utf8", $line, Encode::FB_DEFAULT);
3606                         print "$line<br/>\n";
3607                 }
3608                 print "<br/>\n";
3609                 foreach my $line (@difftree) {
3610                         if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
3611                                 next;
3612                         }
3613                         my $file = esc_html(unquote($7));
3614                         $file = decode("utf8", $file, Encode::FB_DEFAULT);
3615                         print "$file<br/>\n";
3616                 }
3617                 print "]]>\n" .
3618                       "</content:encoded>\n" .
3619                       "</item>\n";
3620         }
3621         print "</channel></rss>";
3622 }
3623
3624 sub git_opml {
3625         my @list = git_get_projects_list();
3626
3627         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3628         print <<XML;
3629 <?xml version="1.0" encoding="utf-8"?>
3630 <opml version="1.0">
3631 <head>
3632   <title>$site_name Git OPML Export</title>
3633 </head>
3634 <body>
3635 <outline text="git RSS feeds">
3636 XML
3637
3638         foreach my $pr (@list) {
3639                 my %proj = %$pr;
3640                 my $head = git_get_head_hash($proj{'path'});
3641                 if (!defined $head) {
3642                         next;
3643                 }
3644                 $git_dir = "$projectroot/$proj{'path'}";
3645                 my %co = parse_commit($head);
3646                 if (!%co) {
3647                         next;
3648                 }
3649
3650                 my $path = esc_html(chop_str($proj{'path'}, 25, 5));
3651                 my $rss  = "$my_url?p=$proj{'path'};a=rss";
3652                 my $html = "$my_url?p=$proj{'path'};a=summary";
3653                 print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
3654         }
3655         print <<XML;
3656 </outline>
3657 </body>
3658 </opml>
3659 XML
3660 }