gitweb / gitweb.perlon commit gitweb: Quote filename in HTTP Content-Disposition: header (ab41dfb)
   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
  10use strict;
  11use warnings;
  12use CGI qw(:standard :escapeHTML -nosticky);
  13use CGI::Util qw(unescape);
  14use CGI::Carp qw(fatalsToBrowser);
  15use Encode;
  16use Fcntl ':mode';
  17use File::Find qw();
  18use File::Basename qw(basename);
  19binmode STDOUT, ':utf8';
  20
  21our $cgi = new CGI;
  22our $version = "++GIT_VERSION++";
  23our $my_url = $cgi->url();
  24our $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
  28our $GIT = "++GIT_BINDIR++/git";
  29
  30# absolute fs-path which will be prepended to the project path
  31#our $projectroot = "/pub/scm";
  32our $projectroot = "++GITWEB_PROJECTROOT++";
  33
  34# target of the home link on top of all pages
  35our $home_link = $my_uri || "/";
  36
  37# string of the home link on top of all pages
  38our $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
  42our $site_name = "++GITWEB_SITENAME++" || $ENV{'SERVER_NAME'} || "Untitled";
  43
  44# html text to include at home page
  45our $home_text = "++GITWEB_HOMETEXT++";
  46
  47# URI of default stylesheet
  48our $stylesheet = "++GITWEB_CSS++";
  49# URI of GIT logo
  50our $logo = "++GITWEB_LOGO++";
  51# URI of GIT favicon, assumed to be image/png type
  52our $favicon = "++GITWEB_FAVICON++";
  53
  54# source of projects list
  55our $projects_list = "++GITWEB_LIST++";
  56
  57# show repository only if this file exists
  58# (only effective if this variable evaluates to true)
  59our $export_ok = "++GITWEB_EXPORT_OK++";
  60
  61# only allow viewing of repositories also shown on the overview page
  62our $strict_export = "++GITWEB_STRICT_EXPORT++";
  63
  64# list of git base URLs used for URL to where fetch project from,
  65# i.e. full URL is "$git_base_url/$project"
  66our @git_base_url_list = ("++GITWEB_BASE_URL++");
  67
  68# default blob_plain mimetype and default charset for text/plain blob
  69our $default_blob_plain_mimetype = 'text/plain';
  70our $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)
  74our $mimetypes_file = undef;
  75
  76# You define site-wide feature defaults here; override them with
  77# $GITWEB_CONFIG as necessary.
  78our %feature = (
  79        # feature => {
  80        #       'sub' => feature-sub (subroutine),
  81        #       'override' => allow-override (boolean),
  82        #       'default' => [ default options...] (array reference)}
  83        #
  84        # if feature is overridable (it means that allow-override has true value,
  85        # then feature-sub will be called with default options as parameters;
  86        # return value of feature-sub indicates if to enable specified feature
  87        #
  88        # use gitweb_check_feature(<feature>) to check if <feature> is enabled
  89
  90        'blame' => {
  91                'sub' => \&feature_blame,
  92                'override' => 0,
  93                'default' => [0]},
  94
  95        'snapshot' => {
  96                'sub' => \&feature_snapshot,
  97                'override' => 0,
  98                #         => [content-encoding, suffix, program]
  99                'default' => ['x-gzip', 'gz', 'gzip']},
 100
 101        'pickaxe' => {
 102                'sub' => \&feature_pickaxe,
 103                'override' => 0,
 104                'default' => [1]},
 105);
 106
 107sub gitweb_check_feature {
 108        my ($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# $feature{'blame'}{'override'} = 1;
 122# and in project config gitweb.blame = 0|1;
 123
 124sub feature_blame {
 125        my ($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# $feature{'blame'}{'override'} = 1;
 140# and in project config  gitweb.snapshot = none|gzip|bzip2
 141
 142sub feature_snapshot {
 143        my ($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# $feature{'pickaxe'}{'override'} = 1;
 162# and in project config gitweb.pickaxe = 0|1;
 163
 164sub feature_pickaxe {
 165        my ($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'
 184our @diff_opts = ('-M'); # taken from git_commit
 185
 186our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
 187do $GITWEB_CONFIG if -e $GITWEB_CONFIG;
 188
 189# version of the core git binary
 190our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
 191
 192$projects_list ||= $projectroot;
 193
 194# ======================================================================
 195# input validation and dispatch
 196our $action = $cgi->param('a');
 197if (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
 204our $project = $cgi->param('p');
 205if (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
 216our $file_name = $cgi->param('f');
 217if (defined $file_name) {
 218        if (!validate_pathname($file_name)) {
 219                die_error(undef, "Invalid file parameter");
 220        }
 221}
 222
 223our $file_parent = $cgi->param('fp');
 224if (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
 231our $hash = $cgi->param('h');
 232if (defined $hash) {
 233        if (!validate_refname($hash)) {
 234                die_error(undef, "Invalid hash parameter");
 235        }
 236}
 237
 238our $hash_parent = $cgi->param('hp');
 239if (defined $hash_parent) {
 240        if (!validate_refname($hash_parent)) {
 241                die_error(undef, "Invalid hash parent parameter");
 242        }
 243}
 244
 245our $hash_base = $cgi->param('hb');
 246if (defined $hash_base) {
 247        if (!validate_refname($hash_base)) {
 248                die_error(undef, "Invalid hash base parameter");
 249        }
 250}
 251
 252our $hash_parent_base = $cgi->param('hpb');
 253if (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
 260our $page = $cgi->param('pg');
 261if (defined $page) {
 262        if ($page =~ m/[^0-9]/) {
 263                die_error(undef, "Invalid page parameter");
 264        }
 265}
 266
 267our $searchtext = $cgi->param('s');
 268if (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
 276sub 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}
 318evaluate_path_info();
 319
 320# path to the current git repository
 321our $git_dir;
 322$git_dir = "$projectroot/$project" if $project;
 323
 324# dispatch
 325my %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
 351if (defined $project) {
 352        $action ||= 'summary';
 353} else {
 354        $action ||= 'project_list';
 355}
 356if (!defined($actions{$action})) {
 357        die_error(undef, "Unknown action");
 358}
 359if ($action !~ m/^(opml|project_list|project_index)$/ &&
 360    !$project) {
 361        die_error(undef, "Project needed");
 362}
 363$actions{$action}->();
 364exit;
 365
 366## ======================================================================
 367## action links
 368
 369sub 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
 403sub 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
 419sub 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
 438sub 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# quote unsafe chars in whole URL, so some charactrs cannot be quoted
 447sub esc_url {
 448        my $str = shift;
 449        $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 450        $str =~ s/\+/%2B/g;
 451        $str =~ s/ /\+/g;
 452        return $str;
 453}
 454
 455# replace invalid utf8 character with SUBSTITUTION sequence
 456sub esc_html {
 457        my $str = shift;
 458        $str = decode("utf8", $str, Encode::FB_DEFAULT);
 459        $str = escapeHTML($str);
 460        $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
 461        return $str;
 462}
 463
 464# git may return quoted and escaped filenames
 465sub unquote {
 466        my $str = shift;
 467        if ($str =~ m/^"(.*)"$/) {
 468                $str = $1;
 469                $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 470        }
 471        return $str;
 472}
 473
 474# escape tabs (convert tabs to spaces)
 475sub untabify {
 476        my $line = shift;
 477
 478        while ((my $pos = index($line, "\t")) != -1) {
 479                if (my $count = (8 - ($pos % 8))) {
 480                        my $spaces = ' ' x $count;
 481                        $line =~ s/\t/$spaces/;
 482                }
 483        }
 484
 485        return $line;
 486}
 487
 488sub project_in_list {
 489        my $project = shift;
 490        my @list = git_get_projects_list();
 491        return @list && scalar(grep { $_->{'path'} eq $project } @list);
 492}
 493
 494## ----------------------------------------------------------------------
 495## HTML aware string manipulation
 496
 497sub chop_str {
 498        my $str = shift;
 499        my $len = shift;
 500        my $add_len = shift || 10;
 501
 502        # allow only $len chars, but don't cut a word if it would fit in $add_len
 503        # if it doesn't fit, cut it if it's still longer than the dots we would add
 504        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 505        my $body = $1;
 506        my $tail = $2;
 507        if (length($tail) > 4) {
 508                $tail = " ...";
 509                $body =~ s/&[^;]*$//; # remove chopped character entities
 510        }
 511        return "$body$tail";
 512}
 513
 514## ----------------------------------------------------------------------
 515## functions returning short strings
 516
 517# CSS class for given age value (in seconds)
 518sub age_class {
 519        my $age = shift;
 520
 521        if ($age < 60*60*2) {
 522                return "age0";
 523        } elsif ($age < 60*60*24*2) {
 524                return "age1";
 525        } else {
 526                return "age2";
 527        }
 528}
 529
 530# convert age in seconds to "nn units ago" string
 531sub age_string {
 532        my $age = shift;
 533        my $age_str;
 534
 535        if ($age > 60*60*24*365*2) {
 536                $age_str = (int $age/60/60/24/365);
 537                $age_str .= " years ago";
 538        } elsif ($age > 60*60*24*(365/12)*2) {
 539                $age_str = int $age/60/60/24/(365/12);
 540                $age_str .= " months ago";
 541        } elsif ($age > 60*60*24*7*2) {
 542                $age_str = int $age/60/60/24/7;
 543                $age_str .= " weeks ago";
 544        } elsif ($age > 60*60*24*2) {
 545                $age_str = int $age/60/60/24;
 546                $age_str .= " days ago";
 547        } elsif ($age > 60*60*2) {
 548                $age_str = int $age/60/60;
 549                $age_str .= " hours ago";
 550        } elsif ($age > 60*2) {
 551                $age_str = int $age/60;
 552                $age_str .= " min ago";
 553        } elsif ($age > 2) {
 554                $age_str = int $age;
 555                $age_str .= " sec ago";
 556        } else {
 557                $age_str .= " right now";
 558        }
 559        return $age_str;
 560}
 561
 562# convert file mode in octal to symbolic file mode string
 563sub mode_str {
 564        my $mode = oct shift;
 565
 566        if (S_ISDIR($mode & S_IFMT)) {
 567                return 'drwxr-xr-x';
 568        } elsif (S_ISLNK($mode)) {
 569                return 'lrwxrwxrwx';
 570        } elsif (S_ISREG($mode)) {
 571                # git cares only about the executable bit
 572                if ($mode & S_IXUSR) {
 573                        return '-rwxr-xr-x';
 574                } else {
 575                        return '-rw-r--r--';
 576                };
 577        } else {
 578                return '----------';
 579        }
 580}
 581
 582# convert file mode in octal to file type string
 583sub file_type {
 584        my $mode = shift;
 585
 586        if ($mode !~ m/^[0-7]+$/) {
 587                return $mode;
 588        } else {
 589                $mode = oct $mode;
 590        }
 591
 592        if (S_ISDIR($mode & S_IFMT)) {
 593                return "directory";
 594        } elsif (S_ISLNK($mode)) {
 595                return "symlink";
 596        } elsif (S_ISREG($mode)) {
 597                return "file";
 598        } else {
 599                return "unknown";
 600        }
 601}
 602
 603## ----------------------------------------------------------------------
 604## functions returning short HTML fragments, or transforming HTML fragments
 605## which don't beling to other sections
 606
 607# format line of commit message or tag comment
 608sub format_log_line_html {
 609        my $line = shift;
 610
 611        $line = esc_html($line);
 612        $line =~ s/ /&nbsp;/g;
 613        if ($line =~ m/([0-9a-fA-F]{40})/) {
 614                my $hash_text = $1;
 615                if (git_get_type($hash_text) eq "commit") {
 616                        my $link =
 617                                $cgi->a({-href => href(action=>"commit", hash=>$hash_text),
 618                                        -class => "text"}, $hash_text);
 619                        $line =~ s/$hash_text/$link/;
 620                }
 621        }
 622        return $line;
 623}
 624
 625# format marker of refs pointing to given object
 626sub format_ref_marker {
 627        my ($refs, $id) = @_;
 628        my $markers = '';
 629
 630        if (defined $refs->{$id}) {
 631                foreach my $ref (@{$refs->{$id}}) {
 632                        my ($type, $name) = qw();
 633                        # e.g. tags/v2.6.11 or heads/next
 634                        if ($ref =~ m!^(.*?)s?/(.*)$!) {
 635                                $type = $1;
 636                                $name = $2;
 637                        } else {
 638                                $type = "ref";
 639                                $name = $ref;
 640                        }
 641
 642                        $markers .= " <span class=\"$type\">" . esc_html($name) . "</span>";
 643                }
 644        }
 645
 646        if ($markers) {
 647                return ' <span class="refs">'. $markers . '</span>';
 648        } else {
 649                return "";
 650        }
 651}
 652
 653# format, perhaps shortened and with markers, title line
 654sub format_subject_html {
 655        my ($long, $short, $href, $extra) = @_;
 656        $extra = '' unless defined($extra);
 657
 658        if (length($short) < length($long)) {
 659                return $cgi->a({-href => $href, -class => "list subject",
 660                                -title => $long},
 661                       esc_html($short) . $extra);
 662        } else {
 663                return $cgi->a({-href => $href, -class => "list subject"},
 664                       esc_html($long)  . $extra);
 665        }
 666}
 667
 668sub format_diff_line {
 669        my $line = shift;
 670        my $char = substr($line, 0, 1);
 671        my $diff_class = "";
 672
 673        chomp $line;
 674
 675        if ($char eq '+') {
 676                $diff_class = " add";
 677        } elsif ($char eq "-") {
 678                $diff_class = " rem";
 679        } elsif ($char eq "@") {
 680                $diff_class = " chunk_header";
 681        } elsif ($char eq "\\") {
 682                $diff_class = " incomplete";
 683        }
 684        $line = untabify($line);
 685        return "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
 686}
 687
 688## ----------------------------------------------------------------------
 689## git utility subroutines, invoking git commands
 690
 691# returns path to the core git executable and the --git-dir parameter as list
 692sub git_cmd {
 693        return $GIT, '--git-dir='.$git_dir;
 694}
 695
 696# returns path to the core git executable and the --git-dir parameter as string
 697sub git_cmd_str {
 698        return join(' ', git_cmd());
 699}
 700
 701# get HEAD ref of given project as hash
 702sub git_get_head_hash {
 703        my $project = shift;
 704        my $o_git_dir = $git_dir;
 705        my $retval = undef;
 706        $git_dir = "$projectroot/$project";
 707        if (open my $fd, "-|", git_cmd(), "rev-parse", "--verify", "HEAD") {
 708                my $head = <$fd>;
 709                close $fd;
 710                if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 711                        $retval = $1;
 712                }
 713        }
 714        if (defined $o_git_dir) {
 715                $git_dir = $o_git_dir;
 716        }
 717        return $retval;
 718}
 719
 720# get type of given object
 721sub git_get_type {
 722        my $hash = shift;
 723
 724        open my $fd, "-|", git_cmd(), "cat-file", '-t', $hash or return;
 725        my $type = <$fd>;
 726        close $fd or return;
 727        chomp $type;
 728        return $type;
 729}
 730
 731sub git_get_project_config {
 732        my ($key, $type) = @_;
 733
 734        return unless ($key);
 735        $key =~ s/^gitweb\.//;
 736        return if ($key =~ m/\W/);
 737
 738        my @x = (git_cmd(), 'repo-config');
 739        if (defined $type) { push @x, $type; }
 740        push @x, "--get";
 741        push @x, "gitweb.$key";
 742        my $val = qx(@x);
 743        chomp $val;
 744        return ($val);
 745}
 746
 747# get hash of given path at given ref
 748sub git_get_hash_by_path {
 749        my $base = shift;
 750        my $path = shift || return undef;
 751        my $type = shift;
 752
 753        $path =~ s,/+$,,;
 754
 755        open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path
 756                or die_error(undef, "Open git-ls-tree failed");
 757        my $line = <$fd>;
 758        close $fd or return undef;
 759
 760        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
 761        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
 762        if (defined $type && $type ne $2) {
 763                # type doesn't match
 764                return undef;
 765        }
 766        return $3;
 767}
 768
 769## ......................................................................
 770## git utility functions, directly accessing git repository
 771
 772sub git_get_project_description {
 773        my $path = shift;
 774
 775        open my $fd, "$projectroot/$path/description" or return undef;
 776        my $descr = <$fd>;
 777        close $fd;
 778        chomp $descr;
 779        return $descr;
 780}
 781
 782sub git_get_project_url_list {
 783        my $path = shift;
 784
 785        open my $fd, "$projectroot/$path/cloneurl" or return;
 786        my @git_project_url_list = map { chomp; $_ } <$fd>;
 787        close $fd;
 788
 789        return wantarray ? @git_project_url_list : \@git_project_url_list;
 790}
 791
 792sub git_get_projects_list {
 793        my @list;
 794
 795        if (-d $projects_list) {
 796                # search in directory
 797                my $dir = $projects_list;
 798                my $pfxlen = length("$dir");
 799
 800                File::Find::find({
 801                        follow_fast => 1, # follow symbolic links
 802                        dangling_symlinks => 0, # ignore dangling symlinks, silently
 803                        wanted => sub {
 804                                # skip project-list toplevel, if we get it.
 805                                return if (m!^[/.]$!);
 806                                # only directories can be git repositories
 807                                return unless (-d $_);
 808
 809                                my $subdir = substr($File::Find::name, $pfxlen + 1);
 810                                # we check related file in $projectroot
 811                                if (-e "$projectroot/$subdir/HEAD" && (!$export_ok ||
 812                                    -e "$projectroot/$subdir/$export_ok")) {
 813                                        push @list, { path => $subdir };
 814                                        $File::Find::prune = 1;
 815                                }
 816                        },
 817                }, "$dir");
 818
 819        } elsif (-f $projects_list) {
 820                # read from file(url-encoded):
 821                # 'git%2Fgit.git Linus+Torvalds'
 822                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 823                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 824                open my ($fd), $projects_list or return;
 825                while (my $line = <$fd>) {
 826                        chomp $line;
 827                        my ($path, $owner) = split ' ', $line;
 828                        $path = unescape($path);
 829                        $owner = unescape($owner);
 830                        if (!defined $path) {
 831                                next;
 832                        }
 833                        if (-e "$projectroot/$path/HEAD" && (!$export_ok ||
 834                            -e "$projectroot/$path/$export_ok")) {
 835                                my $pr = {
 836                                        path => $path,
 837                                        owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 838                                };
 839                                push @list, $pr
 840                        }
 841                }
 842                close $fd;
 843        }
 844        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 845        return @list;
 846}
 847
 848sub git_get_project_owner {
 849        my $project = shift;
 850        my $owner;
 851
 852        return undef unless $project;
 853
 854        # read from file (url-encoded):
 855        # 'git%2Fgit.git Linus+Torvalds'
 856        # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 857        # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 858        if (-f $projects_list) {
 859                open (my $fd , $projects_list);
 860                while (my $line = <$fd>) {
 861                        chomp $line;
 862                        my ($pr, $ow) = split ' ', $line;
 863                        $pr = unescape($pr);
 864                        $ow = unescape($ow);
 865                        if ($pr eq $project) {
 866                                $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
 867                                last;
 868                        }
 869                }
 870                close $fd;
 871        }
 872        if (!defined $owner) {
 873                $owner = get_file_owner("$projectroot/$project");
 874        }
 875
 876        return $owner;
 877}
 878
 879sub git_get_references {
 880        my $type = shift || "";
 881        my %refs;
 882        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 883        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 884        open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/"
 885                or return;
 886
 887        while (my $line = <$fd>) {
 888                chomp $line;
 889                if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?[^\^]+)/) {
 890                        if (defined $refs{$1}) {
 891                                push @{$refs{$1}}, $2;
 892                        } else {
 893                                $refs{$1} = [ $2 ];
 894                        }
 895                }
 896        }
 897        close $fd or return;
 898        return \%refs;
 899}
 900
 901sub git_get_rev_name_tags {
 902        my $hash = shift || return undef;
 903
 904        open my $fd, "-|", git_cmd(), "name-rev", "--tags", $hash
 905                or return;
 906        my $name_rev = <$fd>;
 907        close $fd;
 908
 909        if ($name_rev =~ m|^$hash tags/(.*)$|) {
 910                return $1;
 911        } else {
 912                # catches also '$hash undefined' output
 913                return undef;
 914        }
 915}
 916
 917## ----------------------------------------------------------------------
 918## parse to hash functions
 919
 920sub parse_date {
 921        my $epoch = shift;
 922        my $tz = shift || "-0000";
 923
 924        my %date;
 925        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 926        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 927        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 928        $date{'hour'} = $hour;
 929        $date{'minute'} = $min;
 930        $date{'mday'} = $mday;
 931        $date{'day'} = $days[$wday];
 932        $date{'month'} = $months[$mon];
 933        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
 934                           $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 935        $date{'mday-time'} = sprintf "%d %s %02d:%02d",
 936                             $mday, $months[$mon], $hour ,$min;
 937
 938        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 939        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 940        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 941        $date{'hour_local'} = $hour;
 942        $date{'minute_local'} = $min;
 943        $date{'tz_local'} = $tz;
 944        return %date;
 945}
 946
 947sub parse_tag {
 948        my $tag_id = shift;
 949        my %tag;
 950        my @comment;
 951
 952        open my $fd, "-|", git_cmd(), "cat-file", "tag", $tag_id or return;
 953        $tag{'id'} = $tag_id;
 954        while (my $line = <$fd>) {
 955                chomp $line;
 956                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 957                        $tag{'object'} = $1;
 958                } elsif ($line =~ m/^type (.+)$/) {
 959                        $tag{'type'} = $1;
 960                } elsif ($line =~ m/^tag (.+)$/) {
 961                        $tag{'name'} = $1;
 962                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 963                        $tag{'author'} = $1;
 964                        $tag{'epoch'} = $2;
 965                        $tag{'tz'} = $3;
 966                } elsif ($line =~ m/--BEGIN/) {
 967                        push @comment, $line;
 968                        last;
 969                } elsif ($line eq "") {
 970                        last;
 971                }
 972        }
 973        push @comment, <$fd>;
 974        $tag{'comment'} = \@comment;
 975        close $fd or return;
 976        if (!defined $tag{'name'}) {
 977                return
 978        };
 979        return %tag
 980}
 981
 982sub parse_commit {
 983        my $commit_id = shift;
 984        my $commit_text = shift;
 985
 986        my @commit_lines;
 987        my %co;
 988
 989        if (defined $commit_text) {
 990                @commit_lines = @$commit_text;
 991        } else {
 992                $/ = "\0";
 993                open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", "--max-count=1", $commit_id
 994                        or return;
 995                @commit_lines = split '\n', <$fd>;
 996                close $fd or return;
 997                $/ = "\n";
 998                pop @commit_lines;
 999        }
1000        my $header = shift @commit_lines;
1001        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
1002                return;
1003        }
1004        ($co{'id'}, my @parents) = split ' ', $header;
1005        $co{'parents'} = \@parents;
1006        $co{'parent'} = $parents[0];
1007        while (my $line = shift @commit_lines) {
1008                last if $line eq "\n";
1009                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
1010                        $co{'tree'} = $1;
1011                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
1012                        $co{'author'} = $1;
1013                        $co{'author_epoch'} = $2;
1014                        $co{'author_tz'} = $3;
1015                        if ($co{'author'} =~ m/^([^<]+) </) {
1016                                $co{'author_name'} = $1;
1017                        } else {
1018                                $co{'author_name'} = $co{'author'};
1019                        }
1020                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
1021                        $co{'committer'} = $1;
1022                        $co{'committer_epoch'} = $2;
1023                        $co{'committer_tz'} = $3;
1024                        $co{'committer_name'} = $co{'committer'};
1025                        $co{'committer_name'} =~ s/ <.*//;
1026                }
1027        }
1028        if (!defined $co{'tree'}) {
1029                return;
1030        };
1031
1032        foreach my $title (@commit_lines) {
1033                $title =~ s/^    //;
1034                if ($title ne "") {
1035                        $co{'title'} = chop_str($title, 80, 5);
1036                        # remove leading stuff of merges to make the interesting part visible
1037                        if (length($title) > 50) {
1038                                $title =~ s/^Automatic //;
1039                                $title =~ s/^merge (of|with) /Merge ... /i;
1040                                if (length($title) > 50) {
1041                                        $title =~ s/(http|rsync):\/\///;
1042                                }
1043                                if (length($title) > 50) {
1044                                        $title =~ s/(master|www|rsync)\.//;
1045                                }
1046                                if (length($title) > 50) {
1047                                        $title =~ s/kernel.org:?//;
1048                                }
1049                                if (length($title) > 50) {
1050                                        $title =~ s/\/pub\/scm//;
1051                                }
1052                        }
1053                        $co{'title_short'} = chop_str($title, 50, 5);
1054                        last;
1055                }
1056        }
1057        # remove added spaces
1058        foreach my $line (@commit_lines) {
1059                $line =~ s/^    //;
1060        }
1061        $co{'comment'} = \@commit_lines;
1062
1063        my $age = time - $co{'committer_epoch'};
1064        $co{'age'} = $age;
1065        $co{'age_string'} = age_string($age);
1066        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
1067        if ($age > 60*60*24*7*2) {
1068                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
1069                $co{'age_string_age'} = $co{'age_string'};
1070        } else {
1071                $co{'age_string_date'} = $co{'age_string'};
1072                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
1073        }
1074        return %co;
1075}
1076
1077# parse ref from ref_file, given by ref_id, with given type
1078sub parse_ref {
1079        my $ref_file = shift;
1080        my $ref_id = shift;
1081        my $type = shift || git_get_type($ref_id);
1082        my %ref_item;
1083
1084        $ref_item{'type'} = $type;
1085        $ref_item{'id'} = $ref_id;
1086        $ref_item{'epoch'} = 0;
1087        $ref_item{'age'} = "unknown";
1088        if ($type eq "tag") {
1089                my %tag = parse_tag($ref_id);
1090                $ref_item{'comment'} = $tag{'comment'};
1091                if ($tag{'type'} eq "commit") {
1092                        my %co = parse_commit($tag{'object'});
1093                        $ref_item{'epoch'} = $co{'committer_epoch'};
1094                        $ref_item{'age'} = $co{'age_string'};
1095                } elsif (defined($tag{'epoch'})) {
1096                        my $age = time - $tag{'epoch'};
1097                        $ref_item{'epoch'} = $tag{'epoch'};
1098                        $ref_item{'age'} = age_string($age);
1099                }
1100                $ref_item{'reftype'} = $tag{'type'};
1101                $ref_item{'name'} = $tag{'name'};
1102                $ref_item{'refid'} = $tag{'object'};
1103        } elsif ($type eq "commit"){
1104                my %co = parse_commit($ref_id);
1105                $ref_item{'reftype'} = "commit";
1106                $ref_item{'name'} = $ref_file;
1107                $ref_item{'title'} = $co{'title'};
1108                $ref_item{'refid'} = $ref_id;
1109                $ref_item{'epoch'} = $co{'committer_epoch'};
1110                $ref_item{'age'} = $co{'age_string'};
1111        } else {
1112                $ref_item{'reftype'} = $type;
1113                $ref_item{'name'} = $ref_file;
1114                $ref_item{'refid'} = $ref_id;
1115        }
1116
1117        return %ref_item;
1118}
1119
1120# parse line of git-diff-tree "raw" output
1121sub parse_difftree_raw_line {
1122        my $line = shift;
1123        my %res;
1124
1125        # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M   ls-files.c'
1126        # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M   rev-tree.c'
1127        if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
1128                $res{'from_mode'} = $1;
1129                $res{'to_mode'} = $2;
1130                $res{'from_id'} = $3;
1131                $res{'to_id'} = $4;
1132                $res{'status'} = $5;
1133                $res{'similarity'} = $6;
1134                if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
1135                        ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
1136                } else {
1137                        $res{'file'} = unquote($7);
1138                }
1139        }
1140        # 'c512b523472485aef4fff9e57b229d9d243c967f'
1141        elsif ($line =~ m/^([0-9a-fA-F]{40})$/) {
1142                $res{'commit'} = $1;
1143        }
1144
1145        return wantarray ? %res : \%res;
1146}
1147
1148# parse line of git-ls-tree output
1149sub parse_ls_tree_line ($;%) {
1150        my $line = shift;
1151        my %opts = @_;
1152        my %res;
1153
1154        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
1155        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1156
1157        $res{'mode'} = $1;
1158        $res{'type'} = $2;
1159        $res{'hash'} = $3;
1160        if ($opts{'-z'}) {
1161                $res{'name'} = $4;
1162        } else {
1163                $res{'name'} = unquote($4);
1164        }
1165
1166        return wantarray ? %res : \%res;
1167}
1168
1169## ......................................................................
1170## parse to array of hashes functions
1171
1172sub git_get_refs_list {
1173        my $type = shift || "";
1174        my %refs;
1175        my @reflist;
1176
1177        my @refs;
1178        open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/"
1179                or return;
1180        while (my $line = <$fd>) {
1181                chomp $line;
1182                if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?([^\^]+))(\^\{\})?$/) {
1183                        if (defined $refs{$1}) {
1184                                push @{$refs{$1}}, $2;
1185                        } else {
1186                                $refs{$1} = [ $2 ];
1187                        }
1188
1189                        if (! $4) { # unpeeled, direct reference
1190                                push @refs, { hash => $1, name => $3 }; # without type
1191                        } elsif ($3 eq $refs[-1]{'name'}) {
1192                                # most likely a tag is followed by its peeled
1193                                # (deref) one, and when that happens we know the
1194                                # previous one was of type 'tag'.
1195                                $refs[-1]{'type'} = "tag";
1196                        }
1197                }
1198        }
1199        close $fd;
1200
1201        foreach my $ref (@refs) {
1202                my $ref_file = $ref->{'name'};
1203                my $ref_id   = $ref->{'hash'};
1204
1205                my $type = $ref->{'type'} || git_get_type($ref_id) || next;
1206                my %ref_item = parse_ref($ref_file, $ref_id, $type);
1207
1208                push @reflist, \%ref_item;
1209        }
1210        # sort refs by age
1211        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1212        return (\@reflist, \%refs);
1213}
1214
1215## ----------------------------------------------------------------------
1216## filesystem-related functions
1217
1218sub get_file_owner {
1219        my $path = shift;
1220
1221        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
1222        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
1223        if (!defined $gcos) {
1224                return undef;
1225        }
1226        my $owner = $gcos;
1227        $owner =~ s/[,;].*$//;
1228        return decode("utf8", $owner, Encode::FB_DEFAULT);
1229}
1230
1231## ......................................................................
1232## mimetype related functions
1233
1234sub mimetype_guess_file {
1235        my $filename = shift;
1236        my $mimemap = shift;
1237        -r $mimemap or return undef;
1238
1239        my %mimemap;
1240        open(MIME, $mimemap) or return undef;
1241        while (<MIME>) {
1242                next if m/^#/; # skip comments
1243                my ($mime, $exts) = split(/\t+/);
1244                if (defined $exts) {
1245                        my @exts = split(/\s+/, $exts);
1246                        foreach my $ext (@exts) {
1247                                $mimemap{$ext} = $mime;
1248                        }
1249                }
1250        }
1251        close(MIME);
1252
1253        $filename =~ /\.([^.]*)$/;
1254        return $mimemap{$1};
1255}
1256
1257sub mimetype_guess {
1258        my $filename = shift;
1259        my $mime;
1260        $filename =~ /\./ or return undef;
1261
1262        if ($mimetypes_file) {
1263                my $file = $mimetypes_file;
1264                if ($file !~ m!^/!) { # if it is relative path
1265                        # it is relative to project
1266                        $file = "$projectroot/$project/$file";
1267                }
1268                $mime = mimetype_guess_file($filename, $file);
1269        }
1270        $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1271        return $mime;
1272}
1273
1274sub blob_mimetype {
1275        my $fd = shift;
1276        my $filename = shift;
1277
1278        if ($filename) {
1279                my $mime = mimetype_guess($filename);
1280                $mime and return $mime;
1281        }
1282
1283        # just in case
1284        return $default_blob_plain_mimetype unless $fd;
1285
1286        if (-T $fd) {
1287                return 'text/plain' .
1288                       ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1289        } elsif (! $filename) {
1290                return 'application/octet-stream';
1291        } elsif ($filename =~ m/\.png$/i) {
1292                return 'image/png';
1293        } elsif ($filename =~ m/\.gif$/i) {
1294                return 'image/gif';
1295        } elsif ($filename =~ m/\.jpe?g$/i) {
1296                return 'image/jpeg';
1297        } else {
1298                return 'application/octet-stream';
1299        }
1300}
1301
1302## ======================================================================
1303## functions printing HTML: header, footer, error page
1304
1305sub git_header_html {
1306        my $status = shift || "200 OK";
1307        my $expires = shift;
1308
1309        my $title = "$site_name git";
1310        if (defined $project) {
1311                $title .= " - $project";
1312                if (defined $action) {
1313                        $title .= "/$action";
1314                        if (defined $file_name) {
1315                                $title .= " - " . esc_html($file_name);
1316                                if ($action eq "tree" && $file_name !~ m|/$|) {
1317                                        $title .= "/";
1318                                }
1319                        }
1320                }
1321        }
1322        my $content_type;
1323        # require explicit support from the UA if we are to send the page as
1324        # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
1325        # we have to do this because MSIE sometimes globs '*/*', pretending to
1326        # support xhtml+xml but choking when it gets what it asked for.
1327        if (defined $cgi->http('HTTP_ACCEPT') &&
1328            $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ &&
1329            $cgi->Accept('application/xhtml+xml') != 0) {
1330                $content_type = 'application/xhtml+xml';
1331        } else {
1332                $content_type = 'text/html';
1333        }
1334        print $cgi->header(-type=>$content_type, -charset => 'utf-8',
1335                           -status=> $status, -expires => $expires);
1336        print <<EOF;
1337<?xml version="1.0" encoding="utf-8"?>
1338<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
1339<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
1340<!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
1341<!-- git core binaries version $git_version -->
1342<head>
1343<meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
1344<meta name="generator" content="gitweb/$version git/$git_version"/>
1345<meta name="robots" content="index, nofollow"/>
1346<title>$title</title>
1347<link rel="stylesheet" type="text/css" href="$stylesheet"/>
1348EOF
1349        if (defined $project) {
1350                printf('<link rel="alternate" title="%s log" '.
1351                       'href="%s" type="application/rss+xml"/>'."\n",
1352                       esc_param($project), href(action=>"rss"));
1353        } else {
1354                printf('<link rel="alternate" title="%s projects list" '.
1355                       'href="%s" type="text/plain; charset=utf-8"/>'."\n",
1356                       $site_name, href(project=>undef, action=>"project_index"));
1357                printf('<link rel="alternate" title="%s projects logs" '.
1358                       'href="%s" type="text/x-opml"/>'."\n",
1359                       $site_name, href(project=>undef, action=>"opml"));
1360        }
1361        if (defined $favicon) {
1362                print qq(<link rel="shortcut icon" href="$favicon" type="image/png"/>\n);
1363        }
1364
1365        print "</head>\n" .
1366              "<body>\n" .
1367              "<div class=\"page_header\">\n" .
1368              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
1369              "<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
1370              "</a>\n";
1371        print $cgi->a({-href => esc_url($home_link)}, $home_link_str) . " / ";
1372        if (defined $project) {
1373                print $cgi->a({-href => href(action=>"summary")}, esc_html($project));
1374                if (defined $action) {
1375                        print " / $action";
1376                }
1377                print "\n";
1378                if (!defined $searchtext) {
1379                        $searchtext = "";
1380                }
1381                my $search_hash;
1382                if (defined $hash_base) {
1383                        $search_hash = $hash_base;
1384                } elsif (defined $hash) {
1385                        $search_hash = $hash;
1386                } else {
1387                        $search_hash = "HEAD";
1388                }
1389                $cgi->param("a", "search");
1390                $cgi->param("h", $search_hash);
1391                print $cgi->startform(-method => "get", -action => $my_uri) .
1392                      "<div class=\"search\">\n" .
1393                      $cgi->hidden(-name => "p") . "\n" .
1394                      $cgi->hidden(-name => "a") . "\n" .
1395                      $cgi->hidden(-name => "h") . "\n" .
1396                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
1397                      "</div>" .
1398                      $cgi->end_form() . "\n";
1399        }
1400        print "</div>\n";
1401}
1402
1403sub git_footer_html {
1404        print "<div class=\"page_footer\">\n";
1405        if (defined $project) {
1406                my $descr = git_get_project_description($project);
1407                if (defined $descr) {
1408                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
1409                }
1410                print $cgi->a({-href => href(action=>"rss"),
1411                              -class => "rss_logo"}, "RSS") . "\n";
1412        } else {
1413                print $cgi->a({-href => href(project=>undef, action=>"opml"),
1414                              -class => "rss_logo"}, "OPML") . " ";
1415                print $cgi->a({-href => href(project=>undef, action=>"project_index"),
1416                              -class => "rss_logo"}, "TXT") . "\n";
1417        }
1418        print "</div>\n" .
1419              "</body>\n" .
1420              "</html>";
1421}
1422
1423sub die_error {
1424        my $status = shift || "403 Forbidden";
1425        my $error = shift || "Malformed query, file missing or permission denied";
1426
1427        git_header_html($status);
1428        print <<EOF;
1429<div class="page_body">
1430<br /><br />
1431$status - $error
1432<br />
1433</div>
1434EOF
1435        git_footer_html();
1436        exit;
1437}
1438
1439## ----------------------------------------------------------------------
1440## functions printing or outputting HTML: navigation
1441
1442sub git_print_page_nav {
1443        my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
1444        $extra = '' if !defined $extra; # pager or formats
1445
1446        my @navs = qw(summary shortlog log commit commitdiff tree);
1447        if ($suppress) {
1448                @navs = grep { $_ ne $suppress } @navs;
1449        }
1450
1451        my %arg = map { $_ => {action=>$_} } @navs;
1452        if (defined $head) {
1453                for (qw(commit commitdiff)) {
1454                        $arg{$_}{hash} = $head;
1455                }
1456                if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
1457                        for (qw(shortlog log)) {
1458                                $arg{$_}{hash} = $head;
1459                        }
1460                }
1461        }
1462        $arg{tree}{hash} = $treehead if defined $treehead;
1463        $arg{tree}{hash_base} = $treebase if defined $treebase;
1464
1465        print "<div class=\"page_nav\">\n" .
1466                (join " | ",
1467                 map { $_ eq $current ?
1468                       $_ : $cgi->a({-href => href(%{$arg{$_}})}, "$_")
1469                 } @navs);
1470        print "<br/>\n$extra<br/>\n" .
1471              "</div>\n";
1472}
1473
1474sub format_paging_nav {
1475        my ($action, $hash, $head, $page, $nrevs) = @_;
1476        my $paging_nav;
1477
1478
1479        if ($hash ne $head || $page) {
1480                $paging_nav .= $cgi->a({-href => href(action=>$action)}, "HEAD");
1481        } else {
1482                $paging_nav .= "HEAD";
1483        }
1484
1485        if ($page > 0) {
1486                $paging_nav .= " &sdot; " .
1487                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page-1),
1488                                 -accesskey => "p", -title => "Alt-p"}, "prev");
1489        } else {
1490                $paging_nav .= " &sdot; prev";
1491        }
1492
1493        if ($nrevs >= (100 * ($page+1)-1)) {
1494                $paging_nav .= " &sdot; " .
1495                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page+1),
1496                                 -accesskey => "n", -title => "Alt-n"}, "next");
1497        } else {
1498                $paging_nav .= " &sdot; next";
1499        }
1500
1501        return $paging_nav;
1502}
1503
1504## ......................................................................
1505## functions printing or outputting HTML: div
1506
1507sub git_print_header_div {
1508        my ($action, $title, $hash, $hash_base) = @_;
1509        my %args = ();
1510
1511        $args{action} = $action;
1512        $args{hash} = $hash if $hash;
1513        $args{hash_base} = $hash_base if $hash_base;
1514
1515        print "<div class=\"header\">\n" .
1516              $cgi->a({-href => href(%args), -class => "title"},
1517              $title ? $title : $action) .
1518              "\n</div>\n";
1519}
1520
1521#sub git_print_authorship (\%) {
1522sub git_print_authorship {
1523        my $co = shift;
1524
1525        my %ad = parse_date($co->{'author_epoch'}, $co->{'author_tz'});
1526        print "<div class=\"author_date\">" .
1527              esc_html($co->{'author_name'}) .
1528              " [$ad{'rfc2822'}";
1529        if ($ad{'hour_local'} < 6) {
1530                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
1531                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1532        } else {
1533                printf(" (%02d:%02d %s)",
1534                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1535        }
1536        print "]</div>\n";
1537}
1538
1539sub git_print_page_path {
1540        my $name = shift;
1541        my $type = shift;
1542        my $hb = shift;
1543
1544        if (!defined $name) {
1545                print "<div class=\"page_path\">/</div>\n";
1546        } else {
1547                my @dirname = split '/', $name;
1548                my $basename = pop @dirname;
1549                my $fullname = '';
1550
1551                print "<div class=\"page_path\">";
1552                print $cgi->a({-href => href(action=>"tree", hash_base=>$hb),
1553                              -title => 'tree root'}, "[$project]");
1554                print " / ";
1555                foreach my $dir (@dirname) {
1556                        $fullname .= ($fullname ? '/' : '') . $dir;
1557                        print $cgi->a({-href => href(action=>"tree", file_name=>$fullname,
1558                                                     hash_base=>$hb),
1559                                      -title => $fullname}, esc_html($dir));
1560                        print " / ";
1561                }
1562                if (defined $type && $type eq 'blob') {
1563                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
1564                                                     hash_base=>$hb),
1565                                      -title => $name}, esc_html($basename));
1566                } elsif (defined $type && $type eq 'tree') {
1567                        print $cgi->a({-href => href(action=>"tree", file_name=>$file_name,
1568                                                     hash_base=>$hb),
1569                                      -title => $name}, esc_html($basename));
1570                } else {
1571                        print esc_html($basename);
1572                }
1573                print "<br/></div>\n";
1574        }
1575}
1576
1577# sub git_print_log (\@;%) {
1578sub git_print_log ($;%) {
1579        my $log = shift;
1580        my %opts = @_;
1581
1582        if ($opts{'-remove_title'}) {
1583                # remove title, i.e. first line of log
1584                shift @$log;
1585        }
1586        # remove leading empty lines
1587        while (defined $log->[0] && $log->[0] eq "") {
1588                shift @$log;
1589        }
1590
1591        # print log
1592        my $signoff = 0;
1593        my $empty = 0;
1594        foreach my $line (@$log) {
1595                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1596                        $signoff = 1;
1597                        $empty = 0;
1598                        if (! $opts{'-remove_signoff'}) {
1599                                print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1600                                next;
1601                        } else {
1602                                # remove signoff lines
1603                                next;
1604                        }
1605                } else {
1606                        $signoff = 0;
1607                }
1608
1609                # print only one empty line
1610                # do not print empty line after signoff
1611                if ($line eq "") {
1612                        next if ($empty || $signoff);
1613                        $empty = 1;
1614                } else {
1615                        $empty = 0;
1616                }
1617
1618                print format_log_line_html($line) . "<br/>\n";
1619        }
1620
1621        if ($opts{'-final_empty_line'}) {
1622                # end with single empty line
1623                print "<br/>\n" unless $empty;
1624        }
1625}
1626
1627sub git_print_simplified_log {
1628        my $log = shift;
1629        my $remove_title = shift;
1630
1631        git_print_log($log,
1632                -final_empty_line=> 1,
1633                -remove_title => $remove_title);
1634}
1635
1636# print tree entry (row of git_tree), but without encompassing <tr> element
1637sub git_print_tree_entry {
1638        my ($t, $basedir, $hash_base, $have_blame) = @_;
1639
1640        my %base_key = ();
1641        $base_key{hash_base} = $hash_base if defined $hash_base;
1642
1643        # The format of a table row is: mode list link.  Where mode is
1644        # the mode of the entry, list is the name of the entry, an href,
1645        # and link is the action links of the entry.
1646
1647        print "<td class=\"mode\">" . mode_str($t->{'mode'}) . "</td>\n";
1648        if ($t->{'type'} eq "blob") {
1649                print "<td class=\"list\">" .
1650                        $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
1651                                               file_name=>"$basedir$t->{'name'}", %base_key),
1652                                 -class => "list"}, esc_html($t->{'name'})) . "</td>\n";
1653                print "<td class=\"link\">";
1654                if ($have_blame) {
1655                        print $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
1656                                                     file_name=>"$basedir$t->{'name'}", %base_key)},
1657                                      "blame");
1658                }
1659                if (defined $hash_base) {
1660                        if ($have_blame) {
1661                                print " | ";
1662                        }
1663                        print $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
1664                                                     hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
1665                                      "history");
1666                }
1667                print " | " .
1668                      $cgi->a({-href => href(action=>"blob_plain",
1669                                             hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
1670                              "raw");
1671                print "</td>\n";
1672
1673        } elsif ($t->{'type'} eq "tree") {
1674                print "<td class=\"list\">";
1675                print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
1676                                             file_name=>"$basedir$t->{'name'}", %base_key)},
1677                              esc_html($t->{'name'}));
1678                print "</td>\n";
1679                print "<td class=\"link\">";
1680                if (defined $hash_base) {
1681                        print $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
1682                                                     file_name=>"$basedir$t->{'name'}")},
1683                                      "history");
1684                }
1685                print "</td>\n";
1686        }
1687}
1688
1689## ......................................................................
1690## functions printing large fragments of HTML
1691
1692sub git_difftree_body {
1693        my ($difftree, $hash, $parent) = @_;
1694
1695        print "<div class=\"list_head\">\n";
1696        if ($#{$difftree} > 10) {
1697                print(($#{$difftree} + 1) . " files changed:\n");
1698        }
1699        print "</div>\n";
1700
1701        print "<table class=\"diff_tree\">\n";
1702        my $alternate = 0;
1703        my $patchno = 0;
1704        foreach my $line (@{$difftree}) {
1705                my %diff = parse_difftree_raw_line($line);
1706
1707                if ($alternate) {
1708                        print "<tr class=\"dark\">\n";
1709                } else {
1710                        print "<tr class=\"light\">\n";
1711                }
1712                $alternate ^= 1;
1713
1714                my ($to_mode_oct, $to_mode_str, $to_file_type);
1715                my ($from_mode_oct, $from_mode_str, $from_file_type);
1716                if ($diff{'to_mode'} ne ('0' x 6)) {
1717                        $to_mode_oct = oct $diff{'to_mode'};
1718                        if (S_ISREG($to_mode_oct)) { # only for regular file
1719                                $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
1720                        }
1721                        $to_file_type = file_type($diff{'to_mode'});
1722                }
1723                if ($diff{'from_mode'} ne ('0' x 6)) {
1724                        $from_mode_oct = oct $diff{'from_mode'};
1725                        if (S_ISREG($to_mode_oct)) { # only for regular file
1726                                $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
1727                        }
1728                        $from_file_type = file_type($diff{'from_mode'});
1729                }
1730
1731                if ($diff{'status'} eq "A") { # created
1732                        my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
1733                        $mode_chng   .= " with mode: $to_mode_str" if $to_mode_str;
1734                        $mode_chng   .= "]</span>";
1735                        print "<td>" .
1736                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1737                                                     hash_base=>$hash, file_name=>$diff{'file'}),
1738                                      -class => "list"}, esc_html($diff{'file'})) .
1739                              "</td>\n" .
1740                              "<td>$mode_chng</td>\n" .
1741                              "<td class=\"link\">" .
1742                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1743                                                     hash_base=>$hash, file_name=>$diff{'file'})},
1744                                      "blob");
1745                        if ($action eq 'commitdiff') {
1746                                # link to patch
1747                                $patchno++;
1748                                print " | " .
1749                                      $cgi->a({-href => "#patch$patchno"}, "patch");
1750                        }
1751                        print "</td>\n";
1752
1753                } elsif ($diff{'status'} eq "D") { # deleted
1754                        my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
1755                        print "<td>" .
1756                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1757                                                     hash_base=>$parent, file_name=>$diff{'file'}),
1758                                       -class => "list"}, esc_html($diff{'file'})) .
1759                              "</td>\n" .
1760                              "<td>$mode_chng</td>\n" .
1761                              "<td class=\"link\">" .
1762                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1763                                                     hash_base=>$parent, file_name=>$diff{'file'})},
1764                                      "blob") .
1765                              " | ";
1766                        if ($action eq 'commitdiff') {
1767                                # link to patch
1768                                $patchno++;
1769                                print " | " .
1770                                      $cgi->a({-href => "#patch$patchno"}, "patch");
1771                        }
1772                        print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
1773                                                     file_name=>$diff{'file'})},
1774                                      "history") .
1775                              "</td>\n";
1776
1777                } elsif ($diff{'status'} eq "M" || $diff{'status'} eq "T") { # modified, or type changed
1778                        my $mode_chnge = "";
1779                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1780                                $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
1781                                if ($from_file_type != $to_file_type) {
1782                                        $mode_chnge .= " from $from_file_type to $to_file_type";
1783                                }
1784                                if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
1785                                        if ($from_mode_str && $to_mode_str) {
1786                                                $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
1787                                        } elsif ($to_mode_str) {
1788                                                $mode_chnge .= " mode: $to_mode_str";
1789                                        }
1790                                }
1791                                $mode_chnge .= "]</span>\n";
1792                        }
1793                        print "<td>";
1794                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1795                                print $cgi->a({-href => href(action=>"blobdiff",
1796                                                             hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1797                                                             hash_base=>$hash, hash_parent_base=>$parent,
1798                                                             file_name=>$diff{'file'}),
1799                                              -class => "list"}, esc_html($diff{'file'}));
1800                        } else { # only mode changed
1801                                print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1802                                                             hash_base=>$hash, file_name=>$diff{'file'}),
1803                                              -class => "list"}, esc_html($diff{'file'}));
1804                        }
1805                        print "</td>\n" .
1806                              "<td>$mode_chnge</td>\n" .
1807                              "<td class=\"link\">" .
1808                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1809                                                     hash_base=>$hash, file_name=>$diff{'file'})},
1810                                      "blob");
1811                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1812                                if ($action eq 'commitdiff') {
1813                                        # link to patch
1814                                        $patchno++;
1815                                        print " | " .
1816                                                $cgi->a({-href => "#patch$patchno"}, "patch");
1817                                } else {
1818                                        print " | " .
1819                                                $cgi->a({-href => href(action=>"blobdiff",
1820                                                                       hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1821                                                                       hash_base=>$hash, hash_parent_base=>$parent,
1822                                                                       file_name=>$diff{'file'})},
1823                                                        "diff");
1824                                }
1825                        }
1826                        print " | " .
1827                                $cgi->a({-href => href(action=>"history",
1828                                                       hash_base=>$hash, file_name=>$diff{'file'})},
1829                                        "history");
1830                        print "</td>\n";
1831
1832                } elsif ($diff{'status'} eq "R" || $diff{'status'} eq "C") { # renamed or copied
1833                        my %status_name = ('R' => 'moved', 'C' => 'copied');
1834                        my $nstatus = $status_name{$diff{'status'}};
1835                        my $mode_chng = "";
1836                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1837                                # mode also for directories, so we cannot use $to_mode_str
1838                                $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
1839                        }
1840                        print "<td>" .
1841                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1842                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'}),
1843                                      -class => "list"}, esc_html($diff{'to_file'})) . "</td>\n" .
1844                              "<td><span class=\"file_status $nstatus\">[$nstatus from " .
1845                              $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
1846                                                     hash=>$diff{'from_id'}, file_name=>$diff{'from_file'}),
1847                                      -class => "list"}, esc_html($diff{'from_file'})) .
1848                              " with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
1849                              "<td class=\"link\">" .
1850                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1851                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'})},
1852                                      "blob");
1853                        if ($diff{'to_id'} ne $diff{'from_id'}) {
1854                                if ($action eq 'commitdiff') {
1855                                        # link to patch
1856                                        $patchno++;
1857                                        print " | " .
1858                                                $cgi->a({-href => "#patch$patchno"}, "patch");
1859                                } else {
1860                                        print " | " .
1861                                                $cgi->a({-href => href(action=>"blobdiff",
1862                                                                       hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1863                                                                       hash_base=>$hash, hash_parent_base=>$parent,
1864                                                                       file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
1865                                                        "diff");
1866                                }
1867                        }
1868                        print "</td>\n";
1869
1870                } # we should not encounter Unmerged (U) or Unknown (X) status
1871                print "</tr>\n";
1872        }
1873        print "</table>\n";
1874}
1875
1876sub git_patchset_body {
1877        my ($fd, $difftree, $hash, $hash_parent) = @_;
1878
1879        my $patch_idx = 0;
1880        my $in_header = 0;
1881        my $patch_found = 0;
1882        my $diffinfo;
1883
1884        print "<div class=\"patchset\">\n";
1885
1886        LINE:
1887        while (my $patch_line = <$fd>) {
1888                chomp $patch_line;
1889
1890                if ($patch_line =~ m/^diff /) { # "git diff" header
1891                        # beginning of patch (in patchset)
1892                        if ($patch_found) {
1893                                # close previous patch
1894                                print "</div>\n"; # class="patch"
1895                        } else {
1896                                # first patch in patchset
1897                                $patch_found = 1;
1898                        }
1899                        print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n";
1900
1901                        if (ref($difftree->[$patch_idx]) eq "HASH") {
1902                                $diffinfo = $difftree->[$patch_idx];
1903                        } else {
1904                                $diffinfo = parse_difftree_raw_line($difftree->[$patch_idx]);
1905                        }
1906                        $patch_idx++;
1907
1908                        # for now, no extended header, hence we skip empty patches
1909                        # companion to  next LINE if $in_header;
1910                        if ($diffinfo->{'from_id'} eq $diffinfo->{'to_id'}) { # no change
1911                                $in_header = 1;
1912                                next LINE;
1913                        }
1914
1915                        if ($diffinfo->{'status'} eq "A") { # added
1916                                print "<div class=\"diff_info\">" . file_type($diffinfo->{'to_mode'}) . ":" .
1917                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1918                                                             hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
1919                                              $diffinfo->{'to_id'}) . "(new)" .
1920                                      "</div>\n"; # class="diff_info"
1921
1922                        } elsif ($diffinfo->{'status'} eq "D") { # deleted
1923                                print "<div class=\"diff_info\">" . file_type($diffinfo->{'from_mode'}) . ":" .
1924                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1925                                                             hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
1926                                              $diffinfo->{'from_id'}) . "(deleted)" .
1927                                      "</div>\n"; # class="diff_info"
1928
1929                        } elsif ($diffinfo->{'status'} eq "R" || # renamed
1930                                 $diffinfo->{'status'} eq "C" || # copied
1931                                 $diffinfo->{'status'} eq "2") { # with two filenames (from git_blobdiff)
1932                                print "<div class=\"diff_info\">" .
1933                                      file_type($diffinfo->{'from_mode'}) . ":" .
1934                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1935                                                             hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'from_file'})},
1936                                              $diffinfo->{'from_id'}) .
1937                                      " -> " .
1938                                      file_type($diffinfo->{'to_mode'}) . ":" .
1939                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1940                                                             hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'to_file'})},
1941                                              $diffinfo->{'to_id'});
1942                                print "</div>\n"; # class="diff_info"
1943
1944                        } else { # modified, mode changed, ...
1945                                print "<div class=\"diff_info\">" .
1946                                      file_type($diffinfo->{'from_mode'}) . ":" .
1947                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1948                                                             hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
1949                                              $diffinfo->{'from_id'}) .
1950                                      " -> " .
1951                                      file_type($diffinfo->{'to_mode'}) . ":" .
1952                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1953                                                             hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
1954                                              $diffinfo->{'to_id'});
1955                                print "</div>\n"; # class="diff_info"
1956                        }
1957
1958                        #print "<div class=\"diff extended_header\">\n";
1959                        $in_header = 1;
1960                        next LINE;
1961                } # start of patch in patchset
1962
1963
1964                if ($in_header && $patch_line =~ m/^---/) {
1965                        #print "</div>\n"; # class="diff extended_header"
1966                        $in_header = 0;
1967
1968                        my $file = $diffinfo->{'from_file'};
1969                        $file  ||= $diffinfo->{'file'};
1970                        $file = $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1971                                                       hash=>$diffinfo->{'from_id'}, file_name=>$file),
1972                                        -class => "list"}, esc_html($file));
1973                        $patch_line =~ s|a/.*$|a/$file|g;
1974                        print "<div class=\"diff from_file\">$patch_line</div>\n";
1975
1976                        $patch_line = <$fd>;
1977                        chomp $patch_line;
1978
1979                        #$patch_line =~ m/^+++/;
1980                        $file    = $diffinfo->{'to_file'};
1981                        $file  ||= $diffinfo->{'file'};
1982                        $file = $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1983                                                       hash=>$diffinfo->{'to_id'}, file_name=>$file),
1984                                        -class => "list"}, esc_html($file));
1985                        $patch_line =~ s|b/.*|b/$file|g;
1986                        print "<div class=\"diff to_file\">$patch_line</div>\n";
1987
1988                        next LINE;
1989                }
1990                next LINE if $in_header;
1991
1992                print format_diff_line($patch_line);
1993        }
1994        print "</div>\n" if $patch_found; # class="patch"
1995
1996        print "</div>\n"; # class="patchset"
1997}
1998
1999# . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2000
2001sub git_shortlog_body {
2002        # uses global variable $project
2003        my ($revlist, $from, $to, $refs, $extra) = @_;
2004
2005        $from = 0 unless defined $from;
2006        $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
2007
2008        print "<table class=\"shortlog\" cellspacing=\"0\">\n";
2009        my $alternate = 0;
2010        for (my $i = $from; $i <= $to; $i++) {
2011                my $commit = $revlist->[$i];
2012                #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
2013                my $ref = format_ref_marker($refs, $commit);
2014                my %co = parse_commit($commit);
2015                if ($alternate) {
2016                        print "<tr class=\"dark\">\n";
2017                } else {
2018                        print "<tr class=\"light\">\n";
2019                }
2020                $alternate ^= 1;
2021                # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
2022                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2023                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2024                      "<td>";
2025                print format_subject_html($co{'title'}, $co{'title_short'},
2026                                          href(action=>"commit", hash=>$commit), $ref);
2027                print "</td>\n" .
2028                      "<td class=\"link\">" .
2029                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
2030                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
2031                      $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree");
2032                print "</td>\n" .
2033                      "</tr>\n";
2034        }
2035        if (defined $extra) {
2036                print "<tr>\n" .
2037                      "<td colspan=\"4\">$extra</td>\n" .
2038                      "</tr>\n";
2039        }
2040        print "</table>\n";
2041}
2042
2043sub git_history_body {
2044        # Warning: assumes constant type (blob or tree) during history
2045        my ($revlist, $from, $to, $refs, $hash_base, $ftype, $extra) = @_;
2046
2047        $from = 0 unless defined $from;
2048        $to = $#{$revlist} unless (defined $to && $to <= $#{$revlist});
2049
2050        print "<table class=\"history\" cellspacing=\"0\">\n";
2051        my $alternate = 0;
2052        for (my $i = $from; $i <= $to; $i++) {
2053                if ($revlist->[$i] !~ m/^([0-9a-fA-F]{40})/) {
2054                        next;
2055                }
2056
2057                my $commit = $1;
2058                my %co = parse_commit($commit);
2059                if (!%co) {
2060                        next;
2061                }
2062
2063                my $ref = format_ref_marker($refs, $commit);
2064
2065                if ($alternate) {
2066                        print "<tr class=\"dark\">\n";
2067                } else {
2068                        print "<tr class=\"light\">\n";
2069                }
2070                $alternate ^= 1;
2071                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2072                      # shortlog uses      chop_str($co{'author_name'}, 10)
2073                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2074                      "<td>";
2075                # originally git_history used chop_str($co{'title'}, 50)
2076                print format_subject_html($co{'title'}, $co{'title_short'},
2077                                          href(action=>"commit", hash=>$commit), $ref);
2078                print "</td>\n" .
2079                      "<td class=\"link\">" .
2080                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
2081                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
2082                      $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype);
2083
2084                if ($ftype eq 'blob') {
2085                        my $blob_current = git_get_hash_by_path($hash_base, $file_name);
2086                        my $blob_parent  = git_get_hash_by_path($commit, $file_name);
2087                        if (defined $blob_current && defined $blob_parent &&
2088                                        $blob_current ne $blob_parent) {
2089                                print " | " .
2090                                        $cgi->a({-href => href(action=>"blobdiff",
2091                                                               hash=>$blob_current, hash_parent=>$blob_parent,
2092                                                               hash_base=>$hash_base, hash_parent_base=>$commit,
2093                                                               file_name=>$file_name)},
2094                                                "diff to current");
2095                        }
2096                }
2097                print "</td>\n" .
2098                      "</tr>\n";
2099        }
2100        if (defined $extra) {
2101                print "<tr>\n" .
2102                      "<td colspan=\"4\">$extra</td>\n" .
2103                      "</tr>\n";
2104        }
2105        print "</table>\n";
2106}
2107
2108sub git_tags_body {
2109        # uses global variable $project
2110        my ($taglist, $from, $to, $extra) = @_;
2111        $from = 0 unless defined $from;
2112        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
2113
2114        print "<table class=\"tags\" cellspacing=\"0\">\n";
2115        my $alternate = 0;
2116        for (my $i = $from; $i <= $to; $i++) {
2117                my $entry = $taglist->[$i];
2118                my %tag = %$entry;
2119                my $comment_lines = $tag{'comment'};
2120                my $comment = shift @$comment_lines;
2121                my $comment_short;
2122                if (defined $comment) {
2123                        $comment_short = chop_str($comment, 30, 5);
2124                }
2125                if ($alternate) {
2126                        print "<tr class=\"dark\">\n";
2127                } else {
2128                        print "<tr class=\"light\">\n";
2129                }
2130                $alternate ^= 1;
2131                print "<td><i>$tag{'age'}</i></td>\n" .
2132                      "<td>" .
2133                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
2134                               -class => "list name"}, esc_html($tag{'name'})) .
2135                      "</td>\n" .
2136                      "<td>";
2137                if (defined $comment) {
2138                        print format_subject_html($comment, $comment_short,
2139                                                  href(action=>"tag", hash=>$tag{'id'}));
2140                }
2141                print "</td>\n" .
2142                      "<td class=\"selflink\">";
2143                if ($tag{'type'} eq "tag") {
2144                        print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
2145                } else {
2146                        print "&nbsp;";
2147                }
2148                print "</td>\n" .
2149                      "<td class=\"link\">" . " | " .
2150                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
2151                if ($tag{'reftype'} eq "commit") {
2152                        print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") .
2153                              " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'refid'})}, "log");
2154                } elsif ($tag{'reftype'} eq "blob") {
2155                        print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
2156                }
2157                print "</td>\n" .
2158                      "</tr>";
2159        }
2160        if (defined $extra) {
2161                print "<tr>\n" .
2162                      "<td colspan=\"5\">$extra</td>\n" .
2163                      "</tr>\n";
2164        }
2165        print "</table>\n";
2166}
2167
2168sub git_heads_body {
2169        # uses global variable $project
2170        my ($headlist, $head, $from, $to, $extra) = @_;
2171        $from = 0 unless defined $from;
2172        $to = $#{$headlist} if (!defined $to || $#{$headlist} < $to);
2173
2174        print "<table class=\"heads\" cellspacing=\"0\">\n";
2175        my $alternate = 0;
2176        for (my $i = $from; $i <= $to; $i++) {
2177                my $entry = $headlist->[$i];
2178                my %tag = %$entry;
2179                my $curr = $tag{'id'} eq $head;
2180                if ($alternate) {
2181                        print "<tr class=\"dark\">\n";
2182                } else {
2183                        print "<tr class=\"light\">\n";
2184                }
2185                $alternate ^= 1;
2186                print "<td><i>$tag{'age'}</i></td>\n" .
2187                      ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
2188                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'}),
2189                               -class => "list name"},esc_html($tag{'name'})) .
2190                      "</td>\n" .
2191                      "<td class=\"link\">" .
2192                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") . " | " .
2193                      $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log") . " | " .
2194                      $cgi->a({-href => href(action=>"tree", hash=>$tag{'name'}, hash_base=>$tag{'name'})}, "tree") .
2195                      "</td>\n" .
2196                      "</tr>";
2197        }
2198        if (defined $extra) {
2199                print "<tr>\n" .
2200                      "<td colspan=\"3\">$extra</td>\n" .
2201                      "</tr>\n";
2202        }
2203        print "</table>\n";
2204}
2205
2206## ======================================================================
2207## ======================================================================
2208## actions
2209
2210sub git_project_list {
2211        my $order = $cgi->param('o');
2212        if (defined $order && $order !~ m/project|descr|owner|age/) {
2213                die_error(undef, "Unknown order parameter");
2214        }
2215
2216        my @list = git_get_projects_list();
2217        my @projects;
2218        if (!@list) {
2219                die_error(undef, "No projects found");
2220        }
2221        foreach my $pr (@list) {
2222                my $head = git_get_head_hash($pr->{'path'});
2223                if (!defined $head) {
2224                        next;
2225                }
2226                $git_dir = "$projectroot/$pr->{'path'}";
2227                my %co = parse_commit($head);
2228                if (!%co) {
2229                        next;
2230                }
2231                $pr->{'commit'} = \%co;
2232                if (!defined $pr->{'descr'}) {
2233                        my $descr = git_get_project_description($pr->{'path'}) || "";
2234                        $pr->{'descr'} = chop_str($descr, 25, 5);
2235                }
2236                if (!defined $pr->{'owner'}) {
2237                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
2238                }
2239                push @projects, $pr;
2240        }
2241
2242        git_header_html();
2243        if (-f $home_text) {
2244                print "<div class=\"index_include\">\n";
2245                open (my $fd, $home_text);
2246                print <$fd>;
2247                close $fd;
2248                print "</div>\n";
2249        }
2250        print "<table class=\"project_list\">\n" .
2251              "<tr>\n";
2252        $order ||= "project";
2253        if ($order eq "project") {
2254                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
2255                print "<th>Project</th>\n";
2256        } else {
2257                print "<th>" .
2258                      $cgi->a({-href => href(project=>undef, order=>'project'),
2259                               -class => "header"}, "Project") .
2260                      "</th>\n";
2261        }
2262        if ($order eq "descr") {
2263                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
2264                print "<th>Description</th>\n";
2265        } else {
2266                print "<th>" .
2267                      $cgi->a({-href => href(project=>undef, order=>'descr'),
2268                               -class => "header"}, "Description") .
2269                      "</th>\n";
2270        }
2271        if ($order eq "owner") {
2272                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
2273                print "<th>Owner</th>\n";
2274        } else {
2275                print "<th>" .
2276                      $cgi->a({-href => href(project=>undef, order=>'owner'),
2277                               -class => "header"}, "Owner") .
2278                      "</th>\n";
2279        }
2280        if ($order eq "age") {
2281                @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
2282                print "<th>Last Change</th>\n";
2283        } else {
2284                print "<th>" .
2285                      $cgi->a({-href => href(project=>undef, order=>'age'),
2286                               -class => "header"}, "Last Change") .
2287                      "</th>\n";
2288        }
2289        print "<th></th>\n" .
2290              "</tr>\n";
2291        my $alternate = 0;
2292        foreach my $pr (@projects) {
2293                if ($alternate) {
2294                        print "<tr class=\"dark\">\n";
2295                } else {
2296                        print "<tr class=\"light\">\n";
2297                }
2298                $alternate ^= 1;
2299                print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
2300                                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
2301                      "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
2302                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
2303                print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" .
2304                      $pr->{'commit'}{'age_string'} . "</td>\n" .
2305                      "<td class=\"link\">" .
2306                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
2307                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
2308                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " .
2309                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") .
2310                      "</td>\n" .
2311                      "</tr>\n";
2312        }
2313        print "</table>\n";
2314        git_footer_html();
2315}
2316
2317sub git_project_index {
2318        my @projects = git_get_projects_list();
2319
2320        print $cgi->header(
2321                -type => 'text/plain',
2322                -charset => 'utf-8',
2323                -content_disposition => 'inline; filename="index.aux"');
2324
2325        foreach my $pr (@projects) {
2326                if (!exists $pr->{'owner'}) {
2327                        $pr->{'owner'} = get_file_owner("$projectroot/$project");
2328                }
2329
2330                my ($path, $owner) = ($pr->{'path'}, $pr->{'owner'});
2331                # quote as in CGI::Util::encode, but keep the slash, and use '+' for ' '
2332                $path  =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
2333                $owner =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
2334                $path  =~ s/ /\+/g;
2335                $owner =~ s/ /\+/g;
2336
2337                print "$path $owner\n";
2338        }
2339}
2340
2341sub git_summary {
2342        my $descr = git_get_project_description($project) || "none";
2343        my $head = git_get_head_hash($project);
2344        my %co = parse_commit($head);
2345        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2346
2347        my $owner = git_get_project_owner($project);
2348
2349        my ($reflist, $refs) = git_get_refs_list();
2350
2351        my @taglist;
2352        my @headlist;
2353        foreach my $ref (@$reflist) {
2354                if ($ref->{'name'} =~ s!^heads/!!) {
2355                        push @headlist, $ref;
2356                } else {
2357                        $ref->{'name'} =~ s!^tags/!!;
2358                        push @taglist, $ref;
2359                }
2360        }
2361
2362        git_header_html();
2363        git_print_page_nav('summary','', $head);
2364
2365        print "<div class=\"title\">&nbsp;</div>\n";
2366        print "<table cellspacing=\"0\">\n" .
2367              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
2368              "<tr><td>owner</td><td>$owner</td></tr>\n" .
2369              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n";
2370        # use per project git URL list in $projectroot/$project/cloneurl
2371        # or make project git URL from git base URL and project name
2372        my $url_tag = "URL";
2373        my @url_list = git_get_project_url_list($project);
2374        @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
2375        foreach my $git_url (@url_list) {
2376                next unless $git_url;
2377                print "<tr><td>$url_tag</td><td>$git_url</td></tr>\n";
2378                $url_tag = "";
2379        }
2380        print "</table>\n";
2381
2382        open my $fd, "-|", git_cmd(), "rev-list", "--max-count=17",
2383                git_get_head_hash($project)
2384                or die_error(undef, "Open git-rev-list failed");
2385        my @revlist = map { chomp; $_ } <$fd>;
2386        close $fd;
2387        git_print_header_div('shortlog');
2388        git_shortlog_body(\@revlist, 0, 15, $refs,
2389                          $cgi->a({-href => href(action=>"shortlog")}, "..."));
2390
2391        if (@taglist) {
2392                git_print_header_div('tags');
2393                git_tags_body(\@taglist, 0, 15,
2394                              $cgi->a({-href => href(action=>"tags")}, "..."));
2395        }
2396
2397        if (@headlist) {
2398                git_print_header_div('heads');
2399                git_heads_body(\@headlist, $head, 0, 15,
2400                               $cgi->a({-href => href(action=>"heads")}, "..."));
2401        }
2402
2403        git_footer_html();
2404}
2405
2406sub git_tag {
2407        my $head = git_get_head_hash($project);
2408        git_header_html();
2409        git_print_page_nav('','', $head,undef,$head);
2410        my %tag = parse_tag($hash);
2411        git_print_header_div('commit', esc_html($tag{'name'}), $hash);
2412        print "<div class=\"title_text\">\n" .
2413              "<table cellspacing=\"0\">\n" .
2414              "<tr>\n" .
2415              "<td>object</td>\n" .
2416              "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2417                               $tag{'object'}) . "</td>\n" .
2418              "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2419                                              $tag{'type'}) . "</td>\n" .
2420              "</tr>\n";
2421        if (defined($tag{'author'})) {
2422                my %ad = parse_date($tag{'epoch'}, $tag{'tz'});
2423                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
2424                print "<tr><td></td><td>" . $ad{'rfc2822'} .
2425                        sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) .
2426                        "</td></tr>\n";
2427        }
2428        print "</table>\n\n" .
2429              "</div>\n";
2430        print "<div class=\"page_body\">";
2431        my $comment = $tag{'comment'};
2432        foreach my $line (@$comment) {
2433                print esc_html($line) . "<br/>\n";
2434        }
2435        print "</div>\n";
2436        git_footer_html();
2437}
2438
2439sub git_blame2 {
2440        my $fd;
2441        my $ftype;
2442
2443        my ($have_blame) = gitweb_check_feature('blame');
2444        if (!$have_blame) {
2445                die_error('403 Permission denied', "Permission denied");
2446        }
2447        die_error('404 Not Found', "File name not defined") if (!$file_name);
2448        $hash_base ||= git_get_head_hash($project);
2449        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2450        my %co = parse_commit($hash_base)
2451                or die_error(undef, "Reading commit failed");
2452        if (!defined $hash) {
2453                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2454                        or die_error(undef, "Error looking up file");
2455        }
2456        $ftype = git_get_type($hash);
2457        if ($ftype !~ "blob") {
2458                die_error("400 Bad Request", "Object is not a blob");
2459        }
2460        open ($fd, "-|", git_cmd(), "blame", '-l', '--', $file_name, $hash_base)
2461                or die_error(undef, "Open git-blame failed");
2462        git_header_html();
2463        my $formats_nav =
2464                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2465                        "blob") .
2466                " | " .
2467                $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2468                        "history") .
2469                " | " .
2470                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2471                        "HEAD");
2472        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2473        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2474        git_print_page_path($file_name, $ftype, $hash_base);
2475        my @rev_color = (qw(light2 dark2));
2476        my $num_colors = scalar(@rev_color);
2477        my $current_color = 0;
2478        my $last_rev;
2479        print <<HTML;
2480<div class="page_body">
2481<table class="blame">
2482<tr><th>Prev</th><th>Diff</th><th>Commit</th><th>Line</th><th>Data</th></tr>
2483HTML
2484        while (<$fd>) {
2485                /^([0-9a-fA-F]{40}).*?(\d+)\)\s{1}(\s*.*)/;
2486                my $full_rev = $1;
2487                my $rev = substr($full_rev, 0, 8);
2488                my $lineno = $2;
2489                my $data = $3;
2490                my %pco = parse_commit($full_rev);
2491                my $parent = $pco{'parent'};
2492
2493                if (!defined $last_rev) {
2494                        $last_rev = $full_rev;
2495                } elsif ($last_rev ne $full_rev) {
2496                        $last_rev = $full_rev;
2497                        $current_color = ++$current_color % $num_colors;
2498                }
2499                print "<tr class=\"$rev_color[$current_color]\">\n";
2500                # Print the Prev link
2501                print "<td class=\"sha1\">";
2502                print $cgi->a({-href => href(action=>"blame", hash_base=>$parent, file_name=>$file_name)},
2503                              esc_html(substr($parent, 0, 8)));
2504                print "</td>\n";
2505                # Print the Diff (blobdiff) link
2506                print "<td>";
2507                print $cgi->a({-href => href(action=>"blobdiff", file_name=>$file_name, hash_parent_base=>$parent,
2508                                             hash_base=>$full_rev)},
2509                              esc_html("Diff"));
2510                print "</td>\n";
2511                # Print the Commit link
2512                print "<td class=\"sha1\">" .
2513                        $cgi->a({-href => href(action=>"commit", hash=>$full_rev, file_name=>$file_name)},
2514                                esc_html($rev)) . "</td>\n";
2515                # Print the Line number
2516                print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" .
2517                      esc_html($lineno) . "</a></td>\n";
2518                # Print the Data
2519                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
2520                print "</tr>\n";
2521        }
2522        print "</table>\n";
2523        print "</div>";
2524        close $fd
2525                or print "Reading blob failed\n";
2526        git_footer_html();
2527}
2528
2529sub git_blame {
2530        my $fd;
2531
2532        my ($have_blame) = gitweb_check_feature('blame');
2533        if (!$have_blame) {
2534                die_error('403 Permission denied', "Permission denied");
2535        }
2536        die_error('404 Not Found', "File name not defined") if (!$file_name);
2537        $hash_base ||= git_get_head_hash($project);
2538        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2539        my %co = parse_commit($hash_base)
2540                or die_error(undef, "Reading commit failed");
2541        if (!defined $hash) {
2542                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2543                        or die_error(undef, "Error lookup file");
2544        }
2545        open ($fd, "-|", git_cmd(), "annotate", '-l', '-t', '-r', $file_name, $hash_base)
2546                or die_error(undef, "Open git-annotate failed");
2547        git_header_html();
2548        my $formats_nav =
2549                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2550                        "blob") .
2551                " | " .
2552                $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2553                        "history") .
2554                " | " .
2555                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2556                        "HEAD");
2557        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2558        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2559        git_print_page_path($file_name, 'blob', $hash_base);
2560        print "<div class=\"page_body\">\n";
2561        print <<HTML;
2562<table class="blame">
2563  <tr>
2564    <th>Commit</th>
2565    <th>Age</th>
2566    <th>Author</th>
2567    <th>Line</th>
2568    <th>Data</th>
2569  </tr>
2570HTML
2571        my @line_class = (qw(light dark));
2572        my $line_class_len = scalar (@line_class);
2573        my $line_class_num = $#line_class;
2574        while (my $line = <$fd>) {
2575                my $long_rev;
2576                my $short_rev;
2577                my $author;
2578                my $time;
2579                my $lineno;
2580                my $data;
2581                my $age;
2582                my $age_str;
2583                my $age_class;
2584
2585                chomp $line;
2586                $line_class_num = ($line_class_num + 1) % $line_class_len;
2587
2588                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) [+-]\d\d\d\d\t(\d+)\)(.*)$/) {
2589                        $long_rev = $1;
2590                        $author   = $2;
2591                        $time     = $3;
2592                        $lineno   = $4;
2593                        $data     = $5;
2594                } else {
2595                        print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
2596                        next;
2597                }
2598                $short_rev  = substr ($long_rev, 0, 8);
2599                $age        = time () - $time;
2600                $age_str    = age_string ($age);
2601                $age_str    =~ s/ /&nbsp;/g;
2602                $age_class  = age_class($age);
2603                $author     = esc_html ($author);
2604                $author     =~ s/ /&nbsp;/g;
2605
2606                $data = untabify($data);
2607                $data = esc_html ($data);
2608
2609                print <<HTML;
2610  <tr class="$line_class[$line_class_num]">
2611    <td class="sha1"><a href="${\href (action=>"commit", hash=>$long_rev)}" class="text">$short_rev..</a></td>
2612    <td class="$age_class">$age_str</td>
2613    <td>$author</td>
2614    <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
2615    <td class="pre">$data</td>
2616  </tr>
2617HTML
2618        } # while (my $line = <$fd>)
2619        print "</table>\n\n";
2620        close $fd
2621                or print "Reading blob failed.\n";
2622        print "</div>";
2623        git_footer_html();
2624}
2625
2626sub git_tags {
2627        my $head = git_get_head_hash($project);
2628        git_header_html();
2629        git_print_page_nav('','', $head,undef,$head);
2630        git_print_header_div('summary', $project);
2631
2632        my ($taglist) = git_get_refs_list("tags");
2633        if (@$taglist) {
2634                git_tags_body($taglist);
2635        }
2636        git_footer_html();
2637}
2638
2639sub git_heads {
2640        my $head = git_get_head_hash($project);
2641        git_header_html();
2642        git_print_page_nav('','', $head,undef,$head);
2643        git_print_header_div('summary', $project);
2644
2645        my ($headlist) = git_get_refs_list("heads");
2646        if (@$headlist) {
2647                git_heads_body($headlist, $head);
2648        }
2649        git_footer_html();
2650}
2651
2652sub git_blob_plain {
2653        my $expires;
2654
2655        if (!defined $hash) {
2656                if (defined $file_name) {
2657                        my $base = $hash_base || git_get_head_hash($project);
2658                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2659                                or die_error(undef, "Error lookup file");
2660                } else {
2661                        die_error(undef, "No file name defined");
2662                }
2663        } elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2664                # blobs defined by non-textual hash id's can be cached
2665                $expires = "+1d";
2666        }
2667
2668        my $type = shift;
2669        open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
2670                or die_error(undef, "Couldn't cat $file_name, $hash");
2671
2672        $type ||= blob_mimetype($fd, $file_name);
2673
2674        # save as filename, even when no $file_name is given
2675        my $save_as = "$hash";
2676        if (defined $file_name) {
2677                $save_as = $file_name;
2678        } elsif ($type =~ m/^text\//) {
2679                $save_as .= '.txt';
2680        }
2681
2682        print $cgi->header(
2683                -type => "$type",
2684                -expires=>$expires,
2685                -content_disposition => 'inline; filename="' . quotemeta($save_as) . '"');
2686        undef $/;
2687        binmode STDOUT, ':raw';
2688        print <$fd>;
2689        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2690        $/ = "\n";
2691        close $fd;
2692}
2693
2694sub git_blob {
2695        my $expires;
2696
2697        if (!defined $hash) {
2698                if (defined $file_name) {
2699                        my $base = $hash_base || git_get_head_hash($project);
2700                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2701                                or die_error(undef, "Error lookup file");
2702                } else {
2703                        die_error(undef, "No file name defined");
2704                }
2705        } elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2706                # blobs defined by non-textual hash id's can be cached
2707                $expires = "+1d";
2708        }
2709
2710        my ($have_blame) = gitweb_check_feature('blame');
2711        open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
2712                or die_error(undef, "Couldn't cat $file_name, $hash");
2713        my $mimetype = blob_mimetype($fd, $file_name);
2714        if ($mimetype !~ m/^text\//) {
2715                close $fd;
2716                return git_blob_plain($mimetype);
2717        }
2718        git_header_html(undef, $expires);
2719        my $formats_nav = '';
2720        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2721                if (defined $file_name) {
2722                        if ($have_blame) {
2723                                $formats_nav .=
2724                                        $cgi->a({-href => href(action=>"blame", hash_base=>$hash_base,
2725                                                               hash=>$hash, file_name=>$file_name)},
2726                                                "blame") .
2727                                        " | ";
2728                        }
2729                        $formats_nav .=
2730                                $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2731                                                       hash=>$hash, file_name=>$file_name)},
2732                                        "history") .
2733                                " | " .
2734                                $cgi->a({-href => href(action=>"blob_plain",
2735                                                       hash=>$hash, file_name=>$file_name)},
2736                                        "raw") .
2737                                " | " .
2738                                $cgi->a({-href => href(action=>"blob",
2739                                                       hash_base=>"HEAD", file_name=>$file_name)},
2740                                        "HEAD");
2741                } else {
2742                        $formats_nav .=
2743                                $cgi->a({-href => href(action=>"blob_plain", hash=>$hash)}, "raw");
2744                }
2745                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2746                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2747        } else {
2748                print "<div class=\"page_nav\">\n" .
2749                      "<br/><br/></div>\n" .
2750                      "<div class=\"title\">$hash</div>\n";
2751        }
2752        git_print_page_path($file_name, "blob", $hash_base);
2753        print "<div class=\"page_body\">\n";
2754        my $nr;
2755        while (my $line = <$fd>) {
2756                chomp $line;
2757                $nr++;
2758                $line = untabify($line);
2759                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
2760                       $nr, $nr, $nr, esc_html($line);
2761        }
2762        close $fd
2763                or print "Reading blob failed.\n";
2764        print "</div>";
2765        git_footer_html();
2766}
2767
2768sub git_tree {
2769        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2770        my $have_snapshot = (defined $ctype && defined $suffix);
2771
2772        if (!defined $hash) {
2773                $hash = git_get_head_hash($project);
2774                if (defined $file_name) {
2775                        my $base = $hash_base || $hash;
2776                        $hash = git_get_hash_by_path($base, $file_name, "tree");
2777                }
2778                if (!defined $hash_base) {
2779                        $hash_base = $hash;
2780                }
2781        }
2782        $/ = "\0";
2783        open my $fd, "-|", git_cmd(), "ls-tree", '-z', $hash
2784                or die_error(undef, "Open git-ls-tree failed");
2785        my @entries = map { chomp; $_ } <$fd>;
2786        close $fd or die_error(undef, "Reading tree failed");
2787        $/ = "\n";
2788
2789        my $refs = git_get_references();
2790        my $ref = format_ref_marker($refs, $hash_base);
2791        git_header_html();
2792        my $base = "";
2793        my ($have_blame) = gitweb_check_feature('blame');
2794        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2795                my @views_nav = ();
2796                if (defined $file_name) {
2797                        push @views_nav,
2798                                $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2799                                                       hash=>$hash, file_name=>$file_name)},
2800                                        "history"),
2801                                $cgi->a({-href => href(action=>"tree",
2802                                                       hash_base=>"HEAD", file_name=>$file_name)},
2803                                        "HEAD"),
2804                }
2805                if ($have_snapshot) {
2806                        # FIXME: Should be available when we have no hash base as well.
2807                        push @views_nav,
2808                                $cgi->a({-href => href(action=>"snapshot", hash=>$hash)},
2809                                        "snapshot");
2810                }
2811                git_print_page_nav('tree','', $hash_base, undef, undef, join(' | ', @views_nav));
2812                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
2813        } else {
2814                undef $hash_base;
2815                print "<div class=\"page_nav\">\n";
2816                print "<br/><br/></div>\n";
2817                print "<div class=\"title\">$hash</div>\n";
2818        }
2819        if (defined $file_name) {
2820                $base = esc_html("$file_name/");
2821        }
2822        git_print_page_path($file_name, 'tree', $hash_base);
2823        print "<div class=\"page_body\">\n";
2824        print "<table cellspacing=\"0\">\n";
2825        my $alternate = 0;
2826        foreach my $line (@entries) {
2827                my %t = parse_ls_tree_line($line, -z => 1);
2828
2829                if ($alternate) {
2830                        print "<tr class=\"dark\">\n";
2831                } else {
2832                        print "<tr class=\"light\">\n";
2833                }
2834                $alternate ^= 1;
2835
2836                git_print_tree_entry(\%t, $base, $hash_base, $have_blame);
2837
2838                print "</tr>\n";
2839        }
2840        print "</table>\n" .
2841              "</div>";
2842        git_footer_html();
2843}
2844
2845sub git_snapshot {
2846
2847        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2848        my $have_snapshot = (defined $ctype && defined $suffix);
2849        if (!$have_snapshot) {
2850                die_error('403 Permission denied', "Permission denied");
2851        }
2852
2853        if (!defined $hash) {
2854                $hash = git_get_head_hash($project);
2855        }
2856
2857        my $filename = basename($project) . "-$hash.tar.$suffix";
2858
2859        print $cgi->header(
2860                -type => 'application/x-tar',
2861                -content_encoding => $ctype,
2862                -content_disposition => 'inline; filename="' . quotemeta($filename) . '"',
2863                -status => '200 OK');
2864
2865        my $git_command = git_cmd_str();
2866        open my $fd, "-|", "$git_command tar-tree $hash \'$project\' | $command" or
2867                die_error(undef, "Execute git-tar-tree failed.");
2868        binmode STDOUT, ':raw';
2869        print <$fd>;
2870        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2871        close $fd;
2872
2873}
2874
2875sub git_log {
2876        my $head = git_get_head_hash($project);
2877        if (!defined $hash) {
2878                $hash = $head;
2879        }
2880        if (!defined $page) {
2881                $page = 0;
2882        }
2883        my $refs = git_get_references();
2884
2885        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2886        open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash
2887                or die_error(undef, "Open git-rev-list failed");
2888        my @revlist = map { chomp; $_ } <$fd>;
2889        close $fd;
2890
2891        my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#revlist);
2892
2893        git_header_html();
2894        git_print_page_nav('log','', $hash,undef,undef, $paging_nav);
2895
2896        if (!@revlist) {
2897                my %co = parse_commit($hash);
2898
2899                git_print_header_div('summary', $project);
2900                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
2901        }
2902        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2903                my $commit = $revlist[$i];
2904                my $ref = format_ref_marker($refs, $commit);
2905                my %co = parse_commit($commit);
2906                next if !%co;
2907                my %ad = parse_date($co{'author_epoch'});
2908                git_print_header_div('commit',
2909                               "<span class=\"age\">$co{'age_string'}</span>" .
2910                               esc_html($co{'title'}) . $ref,
2911                               $commit);
2912                print "<div class=\"title_text\">\n" .
2913                      "<div class=\"log_link\">\n" .
2914                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
2915                      " | " .
2916                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
2917                      " | " .
2918                      $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") .
2919                      "<br/>\n" .
2920                      "</div>\n" .
2921                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
2922                      "</div>\n";
2923
2924                print "<div class=\"log_body\">\n";
2925                git_print_simplified_log($co{'comment'});
2926                print "</div>\n";
2927        }
2928        git_footer_html();
2929}
2930
2931sub git_commit {
2932        my %co = parse_commit($hash);
2933        if (!%co) {
2934                die_error(undef, "Unknown commit object");
2935        }
2936        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2937        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2938
2939        my $parent = $co{'parent'};
2940        if (!defined $parent) {
2941                $parent = "--root";
2942        }
2943        open my $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $parent, $hash
2944                or die_error(undef, "Open git-diff-tree failed");
2945        my @difftree = map { chomp; $_ } <$fd>;
2946        close $fd or die_error(undef, "Reading git-diff-tree failed");
2947
2948        # non-textual hash id's can be cached
2949        my $expires;
2950        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2951                $expires = "+1d";
2952        }
2953        my $refs = git_get_references();
2954        my $ref = format_ref_marker($refs, $co{'id'});
2955
2956        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2957        my $have_snapshot = (defined $ctype && defined $suffix);
2958
2959        my @views_nav = ();
2960        if (defined $file_name && defined $co{'parent'}) {
2961                my $parent = $co{'parent'};
2962                push @views_nav,
2963                        $cgi->a({-href => href(action=>"blame", hash_parent=>$parent, file_name=>$file_name)},
2964                                "blame");
2965        }
2966        if (defined $co{'parent'}) {
2967                push @views_nav,
2968                        $cgi->a({-href => href(action=>"shortlog", hash=>$hash)}, "shortlog"),
2969                        $cgi->a({-href => href(action=>"log", hash=>$hash)}, "log");
2970        }
2971        git_header_html(undef, $expires);
2972        git_print_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
2973                           $hash, $co{'tree'}, $hash,
2974                           join (' | ', @views_nav));
2975
2976        if (defined $co{'parent'}) {
2977                git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
2978        } else {
2979                git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
2980        }
2981        print "<div class=\"title_text\">\n" .
2982              "<table cellspacing=\"0\">\n";
2983        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
2984              "<tr>" .
2985              "<td></td><td> $ad{'rfc2822'}";
2986        if ($ad{'hour_local'} < 6) {
2987                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
2988                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2989        } else {
2990                printf(" (%02d:%02d %s)",
2991                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2992        }
2993        print "</td>" .
2994              "</tr>\n";
2995        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
2996        print "<tr><td></td><td> $cd{'rfc2822'}" .
2997              sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) .
2998              "</td></tr>\n";
2999        print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
3000        print "<tr>" .
3001              "<td>tree</td>" .
3002              "<td class=\"sha1\">" .
3003              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
3004                       class => "list"}, $co{'tree'}) .
3005              "</td>" .
3006              "<td class=\"link\">" .
3007              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
3008                      "tree");
3009        if ($have_snapshot) {
3010                print " | " .
3011                      $cgi->a({-href => href(action=>"snapshot", hash=>$hash)}, "snapshot");
3012        }
3013        print "</td>" .
3014              "</tr>\n";
3015        my $parents = $co{'parents'};
3016        foreach my $par (@$parents) {
3017                print "<tr>" .
3018                      "<td>parent</td>" .
3019                      "<td class=\"sha1\">" .
3020                      $cgi->a({-href => href(action=>"commit", hash=>$par),
3021                               class => "list"}, $par) .
3022                      "</td>" .
3023                      "<td class=\"link\">" .
3024                      $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
3025                      " | " .
3026                      $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "diff") .
3027                      "</td>" .
3028                      "</tr>\n";
3029        }
3030        print "</table>".
3031              "</div>\n";
3032
3033        print "<div class=\"page_body\">\n";
3034        git_print_log($co{'comment'});
3035        print "</div>\n";
3036
3037        git_difftree_body(\@difftree, $hash, $parent);
3038
3039        git_footer_html();
3040}
3041
3042sub git_blobdiff {
3043        my $format = shift || 'html';
3044
3045        my $fd;
3046        my @difftree;
3047        my %diffinfo;
3048        my $expires;
3049
3050        # preparing $fd and %diffinfo for git_patchset_body
3051        # new style URI
3052        if (defined $hash_base && defined $hash_parent_base) {
3053                if (defined $file_name) {
3054                        # read raw output
3055                        open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base,
3056                                "--", $file_name
3057                                or die_error(undef, "Open git-diff-tree failed");
3058                        @difftree = map { chomp; $_ } <$fd>;
3059                        close $fd
3060                                or die_error(undef, "Reading git-diff-tree failed");
3061                        @difftree
3062                                or die_error('404 Not Found', "Blob diff not found");
3063
3064                } elsif (defined $hash &&
3065                         $hash =~ /[0-9a-fA-F]{40}/) {
3066                        # try to find filename from $hash
3067
3068                        # read filtered raw output
3069                        open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base
3070                                or die_error(undef, "Open git-diff-tree failed");
3071                        @difftree =
3072                                # ':100644 100644 03b21826... 3b93d5e7... M     ls-files.c'
3073                                # $hash == to_id
3074                                grep { /^:[0-7]{6} [0-7]{6} [0-9a-fA-F]{40} $hash/ }
3075                                map { chomp; $_ } <$fd>;
3076                        close $fd
3077                                or die_error(undef, "Reading git-diff-tree failed");
3078                        @difftree
3079                                or die_error('404 Not Found', "Blob diff not found");
3080
3081                } else {
3082                        die_error('404 Not Found', "Missing one of the blob diff parameters");
3083                }
3084
3085                if (@difftree > 1) {
3086                        die_error('404 Not Found', "Ambiguous blob diff specification");
3087                }
3088
3089                %diffinfo = parse_difftree_raw_line($difftree[0]);
3090                $file_parent ||= $diffinfo{'from_file'} || $file_name || $diffinfo{'file'};
3091                $file_name   ||= $diffinfo{'to_file'}   || $diffinfo{'file'};
3092
3093                $hash_parent ||= $diffinfo{'from_id'};
3094                $hash        ||= $diffinfo{'to_id'};
3095
3096                # non-textual hash id's can be cached
3097                if ($hash_base =~ m/^[0-9a-fA-F]{40}$/ &&
3098                    $hash_parent_base =~ m/^[0-9a-fA-F]{40}$/) {
3099                        $expires = '+1d';
3100                }
3101
3102                # open patch output
3103                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3104                        '-p', $hash_parent_base, $hash_base,
3105                        "--", $file_name
3106                        or die_error(undef, "Open git-diff-tree failed");
3107        }
3108
3109        # old/legacy style URI
3110        if (!%diffinfo && # if new style URI failed
3111            defined $hash && defined $hash_parent) {
3112                # fake git-diff-tree raw output
3113                $diffinfo{'from_mode'} = $diffinfo{'to_mode'} = "blob";
3114                $diffinfo{'from_id'} = $hash_parent;
3115                $diffinfo{'to_id'}   = $hash;
3116                if (defined $file_name) {
3117                        if (defined $file_parent) {
3118                                $diffinfo{'status'} = '2';
3119                                $diffinfo{'from_file'} = $file_parent;
3120                                $diffinfo{'to_file'}   = $file_name;
3121                        } else { # assume not renamed
3122                                $diffinfo{'status'} = '1';
3123                                $diffinfo{'from_file'} = $file_name;
3124                                $diffinfo{'to_file'}   = $file_name;
3125                        }
3126                } else { # no filename given
3127                        $diffinfo{'status'} = '2';
3128                        $diffinfo{'from_file'} = $hash_parent;
3129                        $diffinfo{'to_file'}   = $hash;
3130                }
3131
3132                # non-textual hash id's can be cached
3133                if ($hash =~ m/^[0-9a-fA-F]{40}$/ &&
3134                    $hash_parent =~ m/^[0-9a-fA-F]{40}$/) {
3135                        $expires = '+1d';
3136                }
3137
3138                # open patch output
3139                open $fd, "-|", git_cmd(), "diff", '-p', @diff_opts, $hash_parent, $hash
3140                        or die_error(undef, "Open git-diff failed");
3141        } else  {
3142                die_error('404 Not Found', "Missing one of the blob diff parameters")
3143                        unless %diffinfo;
3144        }
3145
3146        # header
3147        if ($format eq 'html') {
3148                my $formats_nav =
3149                        $cgi->a({-href => href(action=>"blobdiff_plain",
3150                                               hash=>$hash, hash_parent=>$hash_parent,
3151                                               hash_base=>$hash_base, hash_parent_base=>$hash_parent_base,
3152                                               file_name=>$file_name, file_parent=>$file_parent)},
3153                                "raw");
3154                git_header_html(undef, $expires);
3155                if (defined $hash_base && (my %co = parse_commit($hash_base))) {
3156                        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
3157                        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
3158                } else {
3159                        print "<div class=\"page_nav\"><br/>$formats_nav<br/></div>\n";
3160                        print "<div class=\"title\">$hash vs $hash_parent</div>\n";
3161                }
3162                if (defined $file_name) {
3163                        git_print_page_path($file_name, "blob", $hash_base);
3164                } else {
3165                        print "<div class=\"page_path\"></div>\n";
3166                }
3167
3168        } elsif ($format eq 'plain') {
3169                print $cgi->header(
3170                        -type => 'text/plain',
3171                        -charset => 'utf-8',
3172                        -expires => $expires,
3173                        -content_disposition => 'inline; filename="' . quotemeta($file_name) . '.patch"');
3174
3175                print "X-Git-Url: " . $cgi->self_url() . "\n\n";
3176
3177        } else {
3178                die_error(undef, "Unknown blobdiff format");
3179        }
3180
3181        # patch
3182        if ($format eq 'html') {
3183                print "<div class=\"page_body\">\n";
3184
3185                git_patchset_body($fd, [ \%diffinfo ], $hash_base, $hash_parent_base);
3186                close $fd;
3187
3188                print "</div>\n"; # class="page_body"
3189                git_footer_html();
3190
3191        } else {
3192                while (my $line = <$fd>) {
3193                        $line =~ s!a/($hash|$hash_parent)!'a/'.esc_html($diffinfo{'from_file'})!eg;
3194                        $line =~ s!b/($hash|$hash_parent)!'b/'.esc_html($diffinfo{'to_file'})!eg;
3195
3196                        print $line;
3197
3198                        last if $line =~ m!^\+\+\+!;
3199                }
3200                local $/ = undef;
3201                print <$fd>;
3202                close $fd;
3203        }
3204}
3205
3206sub git_blobdiff_plain {
3207        git_blobdiff('plain');
3208}
3209
3210sub git_commitdiff {
3211        my $format = shift || 'html';
3212        my %co = parse_commit($hash);
3213        if (!%co) {
3214                die_error(undef, "Unknown commit object");
3215        }
3216        if (!defined $hash_parent) {
3217                $hash_parent = $co{'parent'} || '--root';
3218        }
3219
3220        # read commitdiff
3221        my $fd;
3222        my @difftree;
3223        if ($format eq 'html') {
3224                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3225                        "--patch-with-raw", "--full-index", $hash_parent, $hash
3226                        or die_error(undef, "Open git-diff-tree failed");
3227
3228                while (chomp(my $line = <$fd>)) {
3229                        # empty line ends raw part of diff-tree output
3230                        last unless $line;
3231                        push @difftree, $line;
3232                }
3233
3234        } elsif ($format eq 'plain') {
3235                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3236                        '-p', $hash_parent, $hash
3237                        or die_error(undef, "Open git-diff-tree failed");
3238
3239        } else {
3240                die_error(undef, "Unknown commitdiff format");
3241        }
3242
3243        # non-textual hash id's can be cached
3244        my $expires;
3245        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
3246                $expires = "+1d";
3247        }
3248
3249        # write commit message
3250        if ($format eq 'html') {
3251                my $refs = git_get_references();
3252                my $ref = format_ref_marker($refs, $co{'id'});
3253                my $formats_nav =
3254                        $cgi->a({-href => href(action=>"commitdiff_plain",
3255                                               hash=>$hash, hash_parent=>$hash_parent)},
3256                                "raw");
3257
3258                git_header_html(undef, $expires);
3259                git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
3260                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
3261                git_print_authorship(\%co);
3262                print "<div class=\"page_body\">\n";
3263                print "<div class=\"log\">\n";
3264                git_print_simplified_log($co{'comment'}, 1); # skip title
3265                print "</div>\n"; # class="log"
3266
3267        } elsif ($format eq 'plain') {
3268                my $refs = git_get_references("tags");
3269                my $tagname = git_get_rev_name_tags($hash);
3270                my $filename = basename($project) . "-$hash.patch";
3271
3272                print $cgi->header(
3273                        -type => 'text/plain',
3274                        -charset => 'utf-8',
3275                        -expires => $expires,
3276                        -content_disposition => 'inline; filename="' . quotemeta($filename) . '"');
3277                my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
3278                print <<TEXT;
3279From: $co{'author'}
3280Date: $ad{'rfc2822'} ($ad{'tz_local'})
3281Subject: $co{'title'}
3282TEXT
3283                print "X-Git-Tag: $tagname\n" if $tagname;
3284                print "X-Git-Url: " . $cgi->self_url() . "\n\n";
3285
3286                foreach my $line (@{$co{'comment'}}) {
3287                        print "$line\n";
3288                }
3289                print "---\n\n";
3290        }
3291
3292        # write patch
3293        if ($format eq 'html') {
3294                git_difftree_body(\@difftree, $hash, $hash_parent);
3295                print "<br/>\n";
3296
3297                git_patchset_body($fd, \@difftree, $hash, $hash_parent);
3298                close $fd;
3299                print "</div>\n"; # class="page_body"
3300                git_footer_html();
3301
3302        } elsif ($format eq 'plain') {
3303                local $/ = undef;
3304                print <$fd>;
3305                close $fd
3306                        or print "Reading git-diff-tree failed\n";
3307        }
3308}
3309
3310sub git_commitdiff_plain {
3311        git_commitdiff('plain');
3312}
3313
3314sub git_history {
3315        if (!defined $hash_base) {
3316                $hash_base = git_get_head_hash($project);
3317        }
3318        if (!defined $page) {
3319                $page = 0;
3320        }
3321        my $ftype;
3322        my %co = parse_commit($hash_base);
3323        if (!%co) {
3324                die_error(undef, "Unknown commit object");
3325        }
3326
3327        my $refs = git_get_references();
3328        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3329
3330        if (!defined $hash && defined $file_name) {
3331                $hash = git_get_hash_by_path($hash_base, $file_name);
3332        }
3333        if (defined $hash) {
3334                $ftype = git_get_type($hash);
3335        }
3336
3337        open my $fd, "-|",
3338                git_cmd(), "rev-list", $limit, "--full-history", $hash_base, "--", $file_name
3339                        or die_error(undef, "Open git-rev-list-failed");
3340        my @revlist = map { chomp; $_ } <$fd>;
3341        close $fd
3342                or die_error(undef, "Reading git-rev-list failed");
3343
3344        my $paging_nav = '';
3345        if ($page > 0) {
3346                $paging_nav .=
3347                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3348                                               file_name=>$file_name)},
3349                                "first");
3350                $paging_nav .= " &sdot; " .
3351                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3352                                               file_name=>$file_name, page=>$page-1),
3353                                 -accesskey => "p", -title => "Alt-p"}, "prev");
3354        } else {
3355                $paging_nav .= "first";
3356                $paging_nav .= " &sdot; prev";
3357        }
3358        if ($#revlist >= (100 * ($page+1)-1)) {
3359                $paging_nav .= " &sdot; " .
3360                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3361                                               file_name=>$file_name, page=>$page+1),
3362                                 -accesskey => "n", -title => "Alt-n"}, "next");
3363        } else {
3364                $paging_nav .= " &sdot; next";
3365        }
3366        my $next_link = '';
3367        if ($#revlist >= (100 * ($page+1)-1)) {
3368                $next_link =
3369                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3370                                               file_name=>$file_name, page=>$page+1),
3371                                 -title => "Alt-n"}, "next");
3372        }
3373
3374        git_header_html();
3375        git_print_page_nav('history','', $hash_base,$co{'tree'},$hash_base, $paging_nav);
3376        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
3377        git_print_page_path($file_name, $ftype, $hash_base);
3378
3379        git_history_body(\@revlist, ($page * 100), $#revlist,
3380                         $refs, $hash_base, $ftype, $next_link);
3381
3382        git_footer_html();
3383}
3384
3385sub git_search {
3386        if (!defined $searchtext) {
3387                die_error(undef, "Text field empty");
3388        }
3389        if (!defined $hash) {
3390                $hash = git_get_head_hash($project);
3391        }
3392        my %co = parse_commit($hash);
3393        if (!%co) {
3394                die_error(undef, "Unknown commit object");
3395        }
3396
3397        my $commit_search = 1;
3398        my $author_search = 0;
3399        my $committer_search = 0;
3400        my $pickaxe_search = 0;
3401        if ($searchtext =~ s/^author\\://i) {
3402                $author_search = 1;
3403        } elsif ($searchtext =~ s/^committer\\://i) {
3404                $committer_search = 1;
3405        } elsif ($searchtext =~ s/^pickaxe\\://i) {
3406                $commit_search = 0;
3407                $pickaxe_search = 1;
3408
3409                # pickaxe may take all resources of your box and run for several minutes
3410                # with every query - so decide by yourself how public you make this feature
3411                my ($have_pickaxe) = gitweb_check_feature('pickaxe');
3412                if (!$have_pickaxe) {
3413                        die_error('403 Permission denied', "Permission denied");
3414                }
3415        }
3416        git_header_html();
3417        git_print_page_nav('','', $hash,$co{'tree'},$hash);
3418        git_print_header_div('commit', esc_html($co{'title'}), $hash);
3419
3420        print "<table cellspacing=\"0\">\n";
3421        my $alternate = 0;
3422        if ($commit_search) {
3423                $/ = "\0";
3424                open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", $hash or next;
3425                while (my $commit_text = <$fd>) {
3426                        if (!grep m/$searchtext/i, $commit_text) {
3427                                next;
3428                        }
3429                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
3430                                next;
3431                        }
3432                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
3433                                next;
3434                        }
3435                        my @commit_lines = split "\n", $commit_text;
3436                        my %co = parse_commit(undef, \@commit_lines);
3437                        if (!%co) {
3438                                next;
3439                        }
3440                        if ($alternate) {
3441                                print "<tr class=\"dark\">\n";
3442                        } else {
3443                                print "<tr class=\"light\">\n";
3444                        }
3445                        $alternate ^= 1;
3446                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3447                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3448                              "<td>" .
3449                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), -class => "list subject"},
3450                                       esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3451                        my $comment = $co{'comment'};
3452                        foreach my $line (@$comment) {
3453                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
3454                                        my $lead = esc_html($1) || "";
3455                                        $lead = chop_str($lead, 30, 10);
3456                                        my $match = esc_html($2) || "";
3457                                        my $trail = esc_html($3) || "";
3458                                        $trail = chop_str($trail, 30, 10);
3459                                        my $text = "$lead<span class=\"match\">$match</span>$trail";
3460                                        print chop_str($text, 80, 5) . "<br/>\n";
3461                                }
3462                        }
3463                        print "</td>\n" .
3464                              "<td class=\"link\">" .
3465                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3466                              " | " .
3467                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3468                        print "</td>\n" .
3469                              "</tr>\n";
3470                }
3471                close $fd;
3472        }
3473
3474        if ($pickaxe_search) {
3475                $/ = "\n";
3476                my $git_command = git_cmd_str();
3477                open my $fd, "-|", "$git_command rev-list $hash | " .
3478                        "$git_command diff-tree -r --stdin -S\'$searchtext\'";
3479                undef %co;
3480                my @files;
3481                while (my $line = <$fd>) {
3482                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
3483                                my %set;
3484                                $set{'file'} = $6;
3485                                $set{'from_id'} = $3;
3486                                $set{'to_id'} = $4;
3487                                $set{'id'} = $set{'to_id'};
3488                                if ($set{'id'} =~ m/0{40}/) {
3489                                        $set{'id'} = $set{'from_id'};
3490                                }
3491                                if ($set{'id'} =~ m/0{40}/) {
3492                                        next;
3493                                }
3494                                push @files, \%set;
3495                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
3496                                if (%co) {
3497                                        if ($alternate) {
3498                                                print "<tr class=\"dark\">\n";
3499                                        } else {
3500                                                print "<tr class=\"light\">\n";
3501                                        }
3502                                        $alternate ^= 1;
3503                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3504                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3505                                              "<td>" .
3506                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
3507                                                      -class => "list subject"},
3508                                                      esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3509                                        while (my $setref = shift @files) {
3510                                                my %set = %$setref;
3511                                                print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
3512                                                                             hash=>$set{'id'}, file_name=>$set{'file'}),
3513                                                              -class => "list"},
3514                                                              "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
3515                                                      "<br/>\n";
3516                                        }
3517                                        print "</td>\n" .
3518                                              "<td class=\"link\">" .
3519                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3520                                              " | " .
3521                                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3522                                        print "</td>\n" .
3523                                              "</tr>\n";
3524                                }
3525                                %co = parse_commit($1);
3526                        }
3527                }
3528                close $fd;
3529        }
3530        print "</table>\n";
3531        git_footer_html();
3532}
3533
3534sub git_shortlog {
3535        my $head = git_get_head_hash($project);
3536        if (!defined $hash) {
3537                $hash = $head;
3538        }
3539        if (!defined $page) {
3540                $page = 0;
3541        }
3542        my $refs = git_get_references();
3543
3544        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3545        open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash
3546                or die_error(undef, "Open git-rev-list failed");
3547        my @revlist = map { chomp; $_ } <$fd>;
3548        close $fd;
3549
3550        my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#revlist);
3551        my $next_link = '';
3552        if ($#revlist >= (100 * ($page+1)-1)) {
3553                $next_link =
3554                        $cgi->a({-href => href(action=>"shortlog", hash=>$hash, page=>$page+1),
3555                                 -title => "Alt-n"}, "next");
3556        }
3557
3558
3559        git_header_html();
3560        git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
3561        git_print_header_div('summary', $project);
3562
3563        git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
3564
3565        git_footer_html();
3566}
3567
3568## ......................................................................
3569## feeds (RSS, OPML)
3570
3571sub git_rss {
3572        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
3573        open my $fd, "-|", git_cmd(), "rev-list", "--max-count=150", git_get_head_hash($project)
3574                or die_error(undef, "Open git-rev-list failed");
3575        my @revlist = map { chomp; $_ } <$fd>;
3576        close $fd or die_error(undef, "Reading git-rev-list failed");
3577        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3578        print <<XML;
3579<?xml version="1.0" encoding="utf-8"?>
3580<rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
3581<channel>
3582<title>$project $my_uri $my_url</title>
3583<link>${\esc_html("$my_url?p=$project;a=summary")}</link>
3584<description>$project log</description>
3585<language>en</language>
3586XML
3587
3588        for (my $i = 0; $i <= $#revlist; $i++) {
3589                my $commit = $revlist[$i];
3590                my %co = parse_commit($commit);
3591                # we read 150, we always show 30 and the ones more recent than 48 hours
3592                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
3593                        last;
3594                }
3595                my %cd = parse_date($co{'committer_epoch'});
3596                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3597                        $co{'parent'}, $co{'id'}
3598                        or next;
3599                my @difftree = map { chomp; $_ } <$fd>;
3600                close $fd
3601                        or next;
3602                print "<item>\n" .
3603                      "<title>" .
3604                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
3605                      "</title>\n" .
3606                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
3607                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
3608                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
3609                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
3610                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
3611                      "<content:encoded>" .
3612                      "<![CDATA[\n";
3613                my $comment = $co{'comment'};
3614                foreach my $line (@$comment) {
3615                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
3616                        print "$line<br/>\n";
3617                }
3618                print "<br/>\n";
3619                foreach my $line (@difftree) {
3620                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
3621                                next;
3622                        }
3623                        my $file = esc_html(unquote($7));
3624                        $file = decode("utf8", $file, Encode::FB_DEFAULT);
3625                        print "$file<br/>\n";
3626                }
3627                print "]]>\n" .
3628                      "</content:encoded>\n" .
3629                      "</item>\n";
3630        }
3631        print "</channel></rss>";
3632}
3633
3634sub git_opml {
3635        my @list = git_get_projects_list();
3636
3637        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3638        print <<XML;
3639<?xml version="1.0" encoding="utf-8"?>
3640<opml version="1.0">
3641<head>
3642  <title>$site_name Git OPML Export</title>
3643</head>
3644<body>
3645<outline text="git RSS feeds">
3646XML
3647
3648        foreach my $pr (@list) {
3649                my %proj = %$pr;
3650                my $head = git_get_head_hash($proj{'path'});
3651                if (!defined $head) {
3652                        next;
3653                }
3654                $git_dir = "$projectroot/$proj{'path'}";
3655                my %co = parse_commit($head);
3656                if (!%co) {
3657                        next;
3658                }
3659
3660                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
3661                my $rss  = "$my_url?p=$proj{'path'};a=rss";
3662                my $html = "$my_url?p=$proj{'path'};a=summary";
3663                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
3664        }
3665        print <<XML;
3666</outline>
3667</body>
3668</opml>
3669XML
3670}