Andrew's git / gitweb.git / gitweb/gitweb.perl
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gitweb / gitweb.perlon commit gitweb: Sort CGI parameters returned by href() (498fe00)
   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# location for temporary files needed for diffs
  35our $git_temp = "/tmp/gitweb";
  36
  37# target of the home link on top of all pages
  38our $home_link = $my_uri || "/";
  39
  40# string of the home link on top of all pages
  41our $home_link_str = "++GITWEB_HOME_LINK_STR++";
  42
  43# name of your site or organization to appear in page titles
  44# replace this with something more descriptive for clearer bookmarks
  45our $site_name = "++GITWEB_SITENAME++" || $ENV{'SERVER_NAME'} || "Untitled";
  46
  47# html text to include at home page
  48our $home_text = "++GITWEB_HOMETEXT++";
  49
  50# URI of default stylesheet
  51our $stylesheet = "++GITWEB_CSS++";
  52# URI of GIT logo
  53our $logo = "++GITWEB_LOGO++";
  54
  55# source of projects list
  56our $projects_list = "++GITWEB_LIST++";
  57
  58# list of git base URLs used for URL to where fetch project from,
  59# i.e. full URL is "$git_base_url/$project"
  60our @git_base_url_list = ("++GITWEB_BASE_URL++");
  61
  62# default blob_plain mimetype and default charset for text/plain blob
  63our $default_blob_plain_mimetype = 'text/plain';
  64our $default_text_plain_charset  = undef;
  65
  66# file to use for guessing MIME types before trying /etc/mime.types
  67# (relative to the current git repository)
  68our $mimetypes_file = undef;
  69
  70# You define site-wide feature defaults here; override them with
  71# $GITWEB_CONFIG as necessary.
  72our %feature = (
  73        # feature => {'sub' => feature-sub, 'override' => allow-override, 'default' => [ default options...]
  74        # if feature is overridable, feature-sub will be called with default options;
  75        # return value indicates if to enable specified feature
  76
  77        'blame' => {
  78                'sub' => \&feature_blame,
  79                'override' => 0,
  80                'default' => [0]},
  81
  82        'snapshot' => {
  83                'sub' => \&feature_snapshot,
  84                'override' => 0,
  85                #         => [content-encoding, suffix, program]
  86                'default' => ['x-gzip', 'gz', 'gzip']},
  87);
  88
  89sub gitweb_check_feature {
  90        my ($name) = @_;
  91        return undef unless exists $feature{$name};
  92        my ($sub, $override, @defaults) = (
  93                $feature{$name}{'sub'},
  94                $feature{$name}{'override'},
  95                @{$feature{$name}{'default'}});
  96        if (!$override) { return @defaults; }
  97        return $sub->(@defaults);
  98}
  99
 100# To enable system wide have in $GITWEB_CONFIG
 101# $feature{'blame'}{'default'} =  [1];
 102# To have project specific config enable override in  $GITWEB_CONFIG
 103# $feature{'blame'}{'override'} =  1;
 104# and in project config gitweb.blame = 0|1;
 105
 106sub feature_blame {
 107        my ($val) = git_get_project_config('blame', '--bool');
 108
 109        if ($val eq 'true') {
 110                return 1;
 111        } elsif ($val eq 'false') {
 112                return 0;
 113        }
 114
 115        return $_[0];
 116}
 117
 118# To disable system wide have in $GITWEB_CONFIG
 119# $feature{'snapshot'}{'default'} =  [undef];
 120# To have project specific config enable override in  $GITWEB_CONFIG
 121# $feature{'blame'}{'override'} =  1;
 122# and in project config  gitweb.snapshot = none|gzip|bzip2
 123
 124sub feature_snapshot {
 125        my ($ctype, $suffix, $command) = @_;
 126
 127        my ($val) = git_get_project_config('snapshot');
 128
 129        if ($val eq 'gzip') {
 130                return ('x-gzip', 'gz', 'gzip');
 131        } elsif ($val eq 'bzip2') {
 132                return ('x-bzip2', 'bz2', 'bzip2');
 133        } elsif ($val eq 'none') {
 134                return ();
 135        }
 136
 137        return ($ctype, $suffix, $command);
 138}
 139
 140our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
 141require $GITWEB_CONFIG if -e $GITWEB_CONFIG;
 142
 143# version of the core git binary
 144our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
 145
 146$projects_list ||= $projectroot;
 147if (! -d $git_temp) {
 148        mkdir($git_temp, 0700) || die_error(undef, "Couldn't mkdir $git_temp");
 149}
 150
 151# ======================================================================
 152# input validation and dispatch
 153our $action = $cgi->param('a');
 154if (defined $action) {
 155        if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
 156                die_error(undef, "Invalid action parameter");
 157        }
 158}
 159
 160our $project = ($cgi->param('p') || $ENV{'PATH_INFO'});
 161if (defined $project) {
 162        $project =~ s|^/||;
 163        $project =~ s|/$||;
 164        $project = undef unless $project;
 165}
 166if (defined $project) {
 167        if (!validate_input($project)) {
 168                die_error(undef, "Invalid project parameter");
 169        }
 170        if (!(-d "$projectroot/$project")) {
 171                die_error(undef, "No such directory");
 172        }
 173        if (!(-e "$projectroot/$project/HEAD")) {
 174                die_error(undef, "No such project");
 175        }
 176        $ENV{'GIT_DIR'} = "$projectroot/$project";
 177}
 178
 179our $file_name = $cgi->param('f');
 180if (defined $file_name) {
 181        if (!validate_input($file_name)) {
 182                die_error(undef, "Invalid file parameter");
 183        }
 184}
 185
 186our $file_parent = $cgi->param('fp');
 187if (defined $file_parent) {
 188        if (!validate_input($file_parent)) {
 189                die_error(undef, "Invalid file parent parameter");
 190        }
 191}
 192
 193our $hash = $cgi->param('h');
 194if (defined $hash) {
 195        if (!validate_input($hash)) {
 196                die_error(undef, "Invalid hash parameter");
 197        }
 198}
 199
 200our $hash_parent = $cgi->param('hp');
 201if (defined $hash_parent) {
 202        if (!validate_input($hash_parent)) {
 203                die_error(undef, "Invalid hash parent parameter");
 204        }
 205}
 206
 207our $hash_base = $cgi->param('hb');
 208if (defined $hash_base) {
 209        if (!validate_input($hash_base)) {
 210                die_error(undef, "Invalid hash base parameter");
 211        }
 212}
 213
 214our $page = $cgi->param('pg');
 215if (defined $page) {
 216        if ($page =~ m/[^0-9]$/) {
 217                die_error(undef, "Invalid page parameter");
 218        }
 219}
 220
 221our $searchtext = $cgi->param('s');
 222if (defined $searchtext) {
 223        if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 224                die_error(undef, "Invalid search parameter");
 225        }
 226        $searchtext = quotemeta $searchtext;
 227}
 228
 229# dispatch
 230my %actions = (
 231        "blame" => \&git_blame2,
 232        "blobdiff" => \&git_blobdiff,
 233        "blobdiff_plain" => \&git_blobdiff_plain,
 234        "blob" => \&git_blob,
 235        "blob_plain" => \&git_blob_plain,
 236        "commitdiff" => \&git_commitdiff,
 237        "commitdiff_plain" => \&git_commitdiff_plain,
 238        "commit" => \&git_commit,
 239        "heads" => \&git_heads,
 240        "history" => \&git_history,
 241        "log" => \&git_log,
 242        "rss" => \&git_rss,
 243        "search" => \&git_search,
 244        "shortlog" => \&git_shortlog,
 245        "summary" => \&git_summary,
 246        "tag" => \&git_tag,
 247        "tags" => \&git_tags,
 248        "tree" => \&git_tree,
 249        "snapshot" => \&git_snapshot,
 250        # those below don't need $project
 251        "opml" => \&git_opml,
 252        "project_list" => \&git_project_list,
 253);
 254
 255if (defined $project) {
 256        $action ||= 'summary';
 257} else {
 258        $action ||= 'project_list';
 259}
 260if (!defined($actions{$action})) {
 261        die_error(undef, "Unknown action");
 262}
 263$actions{$action}->();
 264exit;
 265
 266## ======================================================================
 267## action links
 268
 269sub href(%) {
 270        my %params = @_;
 271
 272        my @mapping = (
 273                action => "a",
 274                project => "p",
 275                file_name => "f",
 276                file_parent => "fp",
 277                hash => "h",
 278                hash_parent => "hp",
 279                hash_base => "hb",
 280                page => "pg",
 281                searchtext => "s",
 282        );
 283        my %mapping = @mapping;
 284
 285        $params{"project"} ||= $project;
 286
 287        my @result = ();
 288        for (my $i = 0; $i < @mapping; $i += 2) {
 289                my ($name, $symbol) = ($mapping[$i], $mapping[$i+1]);
 290                if (defined $params{$name}) {
 291                        push @result, $symbol . "=" . esc_param($params{$name});
 292                }
 293        }
 294        return "$my_uri?" . join(';', @result);
 295}
 296
 297
 298## ======================================================================
 299## validation, quoting/unquoting and escaping
 300
 301sub validate_input {
 302        my $input = shift;
 303
 304        if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 305                return $input;
 306        }
 307        if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 308                return undef;
 309        }
 310        if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
 311                return undef;
 312        }
 313        return $input;
 314}
 315
 316# quote unsafe chars, but keep the slash, even when it's not
 317# correct, but quoted slashes look too horrible in bookmarks
 318sub esc_param {
 319        my $str = shift;
 320        $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 321        $str =~ s/\+/%2B/g;
 322        $str =~ s/ /\+/g;
 323        return $str;
 324}
 325
 326# replace invalid utf8 character with SUBSTITUTION sequence
 327sub esc_html {
 328        my $str = shift;
 329        $str = decode("utf8", $str, Encode::FB_DEFAULT);
 330        $str = escapeHTML($str);
 331        $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
 332        return $str;
 333}
 334
 335# git may return quoted and escaped filenames
 336sub unquote {
 337        my $str = shift;
 338        if ($str =~ m/^"(.*)"$/) {
 339                $str = $1;
 340                $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 341        }
 342        return $str;
 343}
 344
 345# escape tabs (convert tabs to spaces)
 346sub untabify {
 347        my $line = shift;
 348
 349        while ((my $pos = index($line, "\t")) != -1) {
 350                if (my $count = (8 - ($pos % 8))) {
 351                        my $spaces = ' ' x $count;
 352                        $line =~ s/\t/$spaces/;
 353                }
 354        }
 355
 356        return $line;
 357}
 358
 359## ----------------------------------------------------------------------
 360## HTML aware string manipulation
 361
 362sub chop_str {
 363        my $str = shift;
 364        my $len = shift;
 365        my $add_len = shift || 10;
 366
 367        # allow only $len chars, but don't cut a word if it would fit in $add_len
 368        # if it doesn't fit, cut it if it's still longer than the dots we would add
 369        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 370        my $body = $1;
 371        my $tail = $2;
 372        if (length($tail) > 4) {
 373                $tail = " ...";
 374                $body =~ s/&[^;]*$//; # remove chopped character entities
 375        }
 376        return "$body$tail";
 377}
 378
 379## ----------------------------------------------------------------------
 380## functions returning short strings
 381
 382# CSS class for given age value (in seconds)
 383sub age_class {
 384        my $age = shift;
 385
 386        if ($age < 60*60*2) {
 387                return "age0";
 388        } elsif ($age < 60*60*24*2) {
 389                return "age1";
 390        } else {
 391                return "age2";
 392        }
 393}
 394
 395# convert age in seconds to "nn units ago" string
 396sub age_string {
 397        my $age = shift;
 398        my $age_str;
 399
 400        if ($age > 60*60*24*365*2) {
 401                $age_str = (int $age/60/60/24/365);
 402                $age_str .= " years ago";
 403        } elsif ($age > 60*60*24*(365/12)*2) {
 404                $age_str = int $age/60/60/24/(365/12);
 405                $age_str .= " months ago";
 406        } elsif ($age > 60*60*24*7*2) {
 407                $age_str = int $age/60/60/24/7;
 408                $age_str .= " weeks ago";
 409        } elsif ($age > 60*60*24*2) {
 410                $age_str = int $age/60/60/24;
 411                $age_str .= " days ago";
 412        } elsif ($age > 60*60*2) {
 413                $age_str = int $age/60/60;
 414                $age_str .= " hours ago";
 415        } elsif ($age > 60*2) {
 416                $age_str = int $age/60;
 417                $age_str .= " min ago";
 418        } elsif ($age > 2) {
 419                $age_str = int $age;
 420                $age_str .= " sec ago";
 421        } else {
 422                $age_str .= " right now";
 423        }
 424        return $age_str;
 425}
 426
 427# convert file mode in octal to symbolic file mode string
 428sub mode_str {
 429        my $mode = oct shift;
 430
 431        if (S_ISDIR($mode & S_IFMT)) {
 432                return 'drwxr-xr-x';
 433        } elsif (S_ISLNK($mode)) {
 434                return 'lrwxrwxrwx';
 435        } elsif (S_ISREG($mode)) {
 436                # git cares only about the executable bit
 437                if ($mode & S_IXUSR) {
 438                        return '-rwxr-xr-x';
 439                } else {
 440                        return '-rw-r--r--';
 441                };
 442        } else {
 443                return '----------';
 444        }
 445}
 446
 447# convert file mode in octal to file type string
 448sub file_type {
 449        my $mode = oct shift;
 450
 451        if (S_ISDIR($mode & S_IFMT)) {
 452                return "directory";
 453        } elsif (S_ISLNK($mode)) {
 454                return "symlink";
 455        } elsif (S_ISREG($mode)) {
 456                return "file";
 457        } else {
 458                return "unknown";
 459        }
 460}
 461
 462## ----------------------------------------------------------------------
 463## functions returning short HTML fragments, or transforming HTML fragments
 464## which don't beling to other sections
 465
 466# format line of commit message or tag comment
 467sub format_log_line_html {
 468        my $line = shift;
 469
 470        $line = esc_html($line);
 471        $line =~ s/ /&nbsp;/g;
 472        if ($line =~ m/([0-9a-fA-F]{40})/) {
 473                my $hash_text = $1;
 474                if (git_get_type($hash_text) eq "commit") {
 475                        my $link =
 476                                $cgi->a({-href => href(action=>"commit", hash=>$hash_text),
 477                                        -class => "text"}, $hash_text);
 478                        $line =~ s/$hash_text/$link/;
 479                }
 480        }
 481        return $line;
 482}
 483
 484# format marker of refs pointing to given object
 485sub format_ref_marker {
 486        my ($refs, $id) = @_;
 487        my $markers = '';
 488
 489        if (defined $refs->{$id}) {
 490                foreach my $ref (@{$refs->{$id}}) {
 491                        my ($type, $name) = qw();
 492                        # e.g. tags/v2.6.11 or heads/next
 493                        if ($ref =~ m!^(.*?)s?/(.*)$!) {
 494                                $type = $1;
 495                                $name = $2;
 496                        } else {
 497                                $type = "ref";
 498                                $name = $ref;
 499                        }
 500
 501                        $markers .= " <span class=\"$type\">" . esc_html($name) . "</span>";
 502                }
 503        }
 504
 505        if ($markers) {
 506                return ' <span class="refs">'. $markers . '</span>';
 507        } else {
 508                return "";
 509        }
 510}
 511
 512# format, perhaps shortened and with markers, title line
 513sub format_subject_html {
 514        my ($long, $short, $href, $extra) = @_;
 515        $extra = '' unless defined($extra);
 516
 517        if (length($short) < length($long)) {
 518                return $cgi->a({-href => $href, -class => "list subject",
 519                                -title => $long},
 520                       esc_html($short) . $extra);
 521        } else {
 522                return $cgi->a({-href => $href, -class => "list subject"},
 523                       esc_html($long)  . $extra);
 524        }
 525}
 526
 527## ----------------------------------------------------------------------
 528## git utility subroutines, invoking git commands
 529
 530# get HEAD ref of given project as hash
 531sub git_get_head_hash {
 532        my $project = shift;
 533        my $oENV = $ENV{'GIT_DIR'};
 534        my $retval = undef;
 535        $ENV{'GIT_DIR'} = "$projectroot/$project";
 536        if (open my $fd, "-|", $GIT, "rev-parse", "--verify", "HEAD") {
 537                my $head = <$fd>;
 538                close $fd;
 539                if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 540                        $retval = $1;
 541                }
 542        }
 543        if (defined $oENV) {
 544                $ENV{'GIT_DIR'} = $oENV;
 545        }
 546        return $retval;
 547}
 548
 549# get type of given object
 550sub git_get_type {
 551        my $hash = shift;
 552
 553        open my $fd, "-|", $GIT, "cat-file", '-t', $hash or return;
 554        my $type = <$fd>;
 555        close $fd or return;
 556        chomp $type;
 557        return $type;
 558}
 559
 560sub git_get_project_config {
 561        my ($key, $type) = @_;
 562
 563        return unless ($key);
 564        $key =~ s/^gitweb\.//;
 565        return if ($key =~ m/\W/);
 566
 567        my @x = ($GIT, 'repo-config');
 568        if (defined $type) { push @x, $type; }
 569        push @x, "--get";
 570        push @x, "gitweb.$key";
 571        my $val = qx(@x);
 572        chomp $val;
 573        return ($val);
 574}
 575
 576# get hash of given path at given ref
 577sub git_get_hash_by_path {
 578        my $base = shift;
 579        my $path = shift || return undef;
 580
 581        my $tree = $base;
 582
 583        open my $fd, "-|", $GIT, "ls-tree", $base, "--", $path
 584                or die_error(undef, "Open git-ls-tree failed");
 585        my $line = <$fd>;
 586        close $fd or return undef;
 587
 588        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
 589        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
 590        return $3;
 591}
 592
 593## ......................................................................
 594## git utility functions, directly accessing git repository
 595
 596# assumes that PATH is not symref
 597sub git_get_hash_by_ref {
 598        my $path = shift;
 599
 600        open my $fd, "$projectroot/$path" or return undef;
 601        my $head = <$fd>;
 602        close $fd;
 603        chomp $head;
 604        if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 605                return $head;
 606        }
 607}
 608
 609sub git_get_project_description {
 610        my $path = shift;
 611
 612        open my $fd, "$projectroot/$path/description" or return undef;
 613        my $descr = <$fd>;
 614        close $fd;
 615        chomp $descr;
 616        return $descr;
 617}
 618
 619sub git_get_project_url_list {
 620        my $path = shift;
 621
 622        open my $fd, "$projectroot/$path/cloneurl" or return undef;
 623        my @git_project_url_list = map { chomp; $_ } <$fd>;
 624        close $fd;
 625
 626        return wantarray ? @git_project_url_list : \@git_project_url_list;
 627}
 628
 629sub git_get_projects_list {
 630        my @list;
 631
 632        if (-d $projects_list) {
 633                # search in directory
 634                my $dir = $projects_list;
 635                opendir my ($dh), $dir or return undef;
 636                while (my $dir = readdir($dh)) {
 637                        if (-e "$projectroot/$dir/HEAD") {
 638                                my $pr = {
 639                                        path => $dir,
 640                                };
 641                                push @list, $pr
 642                        }
 643                }
 644                closedir($dh);
 645        } elsif (-f $projects_list) {
 646                # read from file(url-encoded):
 647                # 'git%2Fgit.git Linus+Torvalds'
 648                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 649                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 650                open my ($fd), $projects_list or return undef;
 651                while (my $line = <$fd>) {
 652                        chomp $line;
 653                        my ($path, $owner) = split ' ', $line;
 654                        $path = unescape($path);
 655                        $owner = unescape($owner);
 656                        if (!defined $path) {
 657                                next;
 658                        }
 659                        if (-e "$projectroot/$path/HEAD") {
 660                                my $pr = {
 661                                        path => $path,
 662                                        owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 663                                };
 664                                push @list, $pr
 665                        }
 666                }
 667                close $fd;
 668        }
 669        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 670        return @list;
 671}
 672
 673sub git_get_project_owner {
 674        my $project = shift;
 675        my $owner;
 676
 677        return undef unless $project;
 678
 679        # read from file (url-encoded):
 680        # 'git%2Fgit.git Linus+Torvalds'
 681        # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 682        # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 683        if (-f $projects_list) {
 684                open (my $fd , $projects_list);
 685                while (my $line = <$fd>) {
 686                        chomp $line;
 687                        my ($pr, $ow) = split ' ', $line;
 688                        $pr = unescape($pr);
 689                        $ow = unescape($ow);
 690                        if ($pr eq $project) {
 691                                $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
 692                                last;
 693                        }
 694                }
 695                close $fd;
 696        }
 697        if (!defined $owner) {
 698                $owner = get_file_owner("$projectroot/$project");
 699        }
 700
 701        return $owner;
 702}
 703
 704sub git_get_references {
 705        my $type = shift || "";
 706        my %refs;
 707        my $fd;
 708        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 709        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 710        if (-f "$projectroot/$project/info/refs") {
 711                open $fd, "$projectroot/$project/info/refs"
 712                        or return;
 713        } else {
 714                open $fd, "-|", $GIT, "ls-remote", "."
 715                        or return;
 716        }
 717
 718        while (my $line = <$fd>) {
 719                chomp $line;
 720                if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?[^\^]+)/) {
 721                        if (defined $refs{$1}) {
 722                                push @{$refs{$1}}, $2;
 723                        } else {
 724                                $refs{$1} = [ $2 ];
 725                        }
 726                }
 727        }
 728        close $fd or return;
 729        return \%refs;
 730}
 731
 732## ----------------------------------------------------------------------
 733## parse to hash functions
 734
 735sub parse_date {
 736        my $epoch = shift;
 737        my $tz = shift || "-0000";
 738
 739        my %date;
 740        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 741        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 742        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 743        $date{'hour'} = $hour;
 744        $date{'minute'} = $min;
 745        $date{'mday'} = $mday;
 746        $date{'day'} = $days[$wday];
 747        $date{'month'} = $months[$mon];
 748        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
 749                           $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 750        $date{'mday-time'} = sprintf "%d %s %02d:%02d",
 751                             $mday, $months[$mon], $hour ,$min;
 752
 753        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 754        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 755        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 756        $date{'hour_local'} = $hour;
 757        $date{'minute_local'} = $min;
 758        $date{'tz_local'} = $tz;
 759        return %date;
 760}
 761
 762sub parse_tag {
 763        my $tag_id = shift;
 764        my %tag;
 765        my @comment;
 766
 767        open my $fd, "-|", $GIT, "cat-file", "tag", $tag_id or return;
 768        $tag{'id'} = $tag_id;
 769        while (my $line = <$fd>) {
 770                chomp $line;
 771                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 772                        $tag{'object'} = $1;
 773                } elsif ($line =~ m/^type (.+)$/) {
 774                        $tag{'type'} = $1;
 775                } elsif ($line =~ m/^tag (.+)$/) {
 776                        $tag{'name'} = $1;
 777                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 778                        $tag{'author'} = $1;
 779                        $tag{'epoch'} = $2;
 780                        $tag{'tz'} = $3;
 781                } elsif ($line =~ m/--BEGIN/) {
 782                        push @comment, $line;
 783                        last;
 784                } elsif ($line eq "") {
 785                        last;
 786                }
 787        }
 788        push @comment, <$fd>;
 789        $tag{'comment'} = \@comment;
 790        close $fd or return;
 791        if (!defined $tag{'name'}) {
 792                return
 793        };
 794        return %tag
 795}
 796
 797sub parse_commit {
 798        my $commit_id = shift;
 799        my $commit_text = shift;
 800
 801        my @commit_lines;
 802        my %co;
 803
 804        if (defined $commit_text) {
 805                @commit_lines = @$commit_text;
 806        } else {
 807                $/ = "\0";
 808                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", "--max-count=1", $commit_id
 809                        or return;
 810                @commit_lines = split '\n', <$fd>;
 811                close $fd or return;
 812                $/ = "\n";
 813                pop @commit_lines;
 814        }
 815        my $header = shift @commit_lines;
 816        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 817                return;
 818        }
 819        ($co{'id'}, my @parents) = split ' ', $header;
 820        $co{'parents'} = \@parents;
 821        $co{'parent'} = $parents[0];
 822        while (my $line = shift @commit_lines) {
 823                last if $line eq "\n";
 824                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 825                        $co{'tree'} = $1;
 826                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 827                        $co{'author'} = $1;
 828                        $co{'author_epoch'} = $2;
 829                        $co{'author_tz'} = $3;
 830                        if ($co{'author'} =~ m/^([^<]+) </) {
 831                                $co{'author_name'} = $1;
 832                        } else {
 833                                $co{'author_name'} = $co{'author'};
 834                        }
 835                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 836                        $co{'committer'} = $1;
 837                        $co{'committer_epoch'} = $2;
 838                        $co{'committer_tz'} = $3;
 839                        $co{'committer_name'} = $co{'committer'};
 840                        $co{'committer_name'} =~ s/ <.*//;
 841                }
 842        }
 843        if (!defined $co{'tree'}) {
 844                return;
 845        };
 846
 847        foreach my $title (@commit_lines) {
 848                $title =~ s/^    //;
 849                if ($title ne "") {
 850                        $co{'title'} = chop_str($title, 80, 5);
 851                        # remove leading stuff of merges to make the interesting part visible
 852                        if (length($title) > 50) {
 853                                $title =~ s/^Automatic //;
 854                                $title =~ s/^merge (of|with) /Merge ... /i;
 855                                if (length($title) > 50) {
 856                                        $title =~ s/(http|rsync):\/\///;
 857                                }
 858                                if (length($title) > 50) {
 859                                        $title =~ s/(master|www|rsync)\.//;
 860                                }
 861                                if (length($title) > 50) {
 862                                        $title =~ s/kernel.org:?//;
 863                                }
 864                                if (length($title) > 50) {
 865                                        $title =~ s/\/pub\/scm//;
 866                                }
 867                        }
 868                        $co{'title_short'} = chop_str($title, 50, 5);
 869                        last;
 870                }
 871        }
 872        # remove added spaces
 873        foreach my $line (@commit_lines) {
 874                $line =~ s/^    //;
 875        }
 876        $co{'comment'} = \@commit_lines;
 877
 878        my $age = time - $co{'committer_epoch'};
 879        $co{'age'} = $age;
 880        $co{'age_string'} = age_string($age);
 881        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 882        if ($age > 60*60*24*7*2) {
 883                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 884                $co{'age_string_age'} = $co{'age_string'};
 885        } else {
 886                $co{'age_string_date'} = $co{'age_string'};
 887                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 888        }
 889        return %co;
 890}
 891
 892# parse ref from ref_file, given by ref_id, with given type
 893sub parse_ref {
 894        my $ref_file = shift;
 895        my $ref_id = shift;
 896        my $type = shift || git_get_type($ref_id);
 897        my %ref_item;
 898
 899        $ref_item{'type'} = $type;
 900        $ref_item{'id'} = $ref_id;
 901        $ref_item{'epoch'} = 0;
 902        $ref_item{'age'} = "unknown";
 903        if ($type eq "tag") {
 904                my %tag = parse_tag($ref_id);
 905                $ref_item{'comment'} = $tag{'comment'};
 906                if ($tag{'type'} eq "commit") {
 907                        my %co = parse_commit($tag{'object'});
 908                        $ref_item{'epoch'} = $co{'committer_epoch'};
 909                        $ref_item{'age'} = $co{'age_string'};
 910                } elsif (defined($tag{'epoch'})) {
 911                        my $age = time - $tag{'epoch'};
 912                        $ref_item{'epoch'} = $tag{'epoch'};
 913                        $ref_item{'age'} = age_string($age);
 914                }
 915                $ref_item{'reftype'} = $tag{'type'};
 916                $ref_item{'name'} = $tag{'name'};
 917                $ref_item{'refid'} = $tag{'object'};
 918        } elsif ($type eq "commit"){
 919                my %co = parse_commit($ref_id);
 920                $ref_item{'reftype'} = "commit";
 921                $ref_item{'name'} = $ref_file;
 922                $ref_item{'title'} = $co{'title'};
 923                $ref_item{'refid'} = $ref_id;
 924                $ref_item{'epoch'} = $co{'committer_epoch'};
 925                $ref_item{'age'} = $co{'age_string'};
 926        } else {
 927                $ref_item{'reftype'} = $type;
 928                $ref_item{'name'} = $ref_file;
 929                $ref_item{'refid'} = $ref_id;
 930        }
 931
 932        return %ref_item;
 933}
 934
 935# parse line of git-diff-tree "raw" output
 936sub parse_difftree_raw_line {
 937        my $line = shift;
 938        my %res;
 939
 940        # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M   ls-files.c'
 941        # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M   rev-tree.c'
 942        if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
 943                $res{'from_mode'} = $1;
 944                $res{'to_mode'} = $2;
 945                $res{'from_id'} = $3;
 946                $res{'to_id'} = $4;
 947                $res{'status'} = $5;
 948                $res{'similarity'} = $6;
 949                if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
 950                        ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
 951                } else {
 952                        $res{'file'} = unquote($7);
 953                }
 954        }
 955        # 'c512b523472485aef4fff9e57b229d9d243c967f'
 956        #elsif ($line =~ m/^([0-9a-fA-F]{40})$/) {
 957        #       $res{'commit'} = $1;
 958        #}
 959
 960        return wantarray ? %res : \%res;
 961}
 962
 963## ......................................................................
 964## parse to array of hashes functions
 965
 966sub git_get_refs_list {
 967        my $ref_dir = shift;
 968        my @reflist;
 969
 970        my @refs;
 971        my $pfxlen = length("$projectroot/$project/$ref_dir");
 972        File::Find::find(sub {
 973                return if (/^\./);
 974                if (-f $_) {
 975                        push @refs, substr($File::Find::name, $pfxlen + 1);
 976                }
 977        }, "$projectroot/$project/$ref_dir");
 978
 979        foreach my $ref_file (@refs) {
 980                my $ref_id = git_get_hash_by_ref("$project/$ref_dir/$ref_file");
 981                my $type = git_get_type($ref_id) || next;
 982                my %ref_item = parse_ref($ref_file, $ref_id, $type);
 983
 984                push @reflist, \%ref_item;
 985        }
 986        # sort refs by age
 987        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
 988        return \@reflist;
 989}
 990
 991## ----------------------------------------------------------------------
 992## filesystem-related functions
 993
 994sub get_file_owner {
 995        my $path = shift;
 996
 997        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 998        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 999        if (!defined $gcos) {
1000                return undef;
1001        }
1002        my $owner = $gcos;
1003        $owner =~ s/[,;].*$//;
1004        return decode("utf8", $owner, Encode::FB_DEFAULT);
1005}
1006
1007## ......................................................................
1008## mimetype related functions
1009
1010sub mimetype_guess_file {
1011        my $filename = shift;
1012        my $mimemap = shift;
1013        -r $mimemap or return undef;
1014
1015        my %mimemap;
1016        open(MIME, $mimemap) or return undef;
1017        while (<MIME>) {
1018                next if m/^#/; # skip comments
1019                my ($mime, $exts) = split(/\t+/);
1020                if (defined $exts) {
1021                        my @exts = split(/\s+/, $exts);
1022                        foreach my $ext (@exts) {
1023                                $mimemap{$ext} = $mime;
1024                        }
1025                }
1026        }
1027        close(MIME);
1028
1029        $filename =~ /\.(.*?)$/;
1030        return $mimemap{$1};
1031}
1032
1033sub mimetype_guess {
1034        my $filename = shift;
1035        my $mime;
1036        $filename =~ /\./ or return undef;
1037
1038        if ($mimetypes_file) {
1039                my $file = $mimetypes_file;
1040                if ($file !~ m!^/!) { # if it is relative path
1041                        # it is relative to project
1042                        $file = "$projectroot/$project/$file";
1043                }
1044                $mime = mimetype_guess_file($filename, $file);
1045        }
1046        $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1047        return $mime;
1048}
1049
1050sub blob_mimetype {
1051        my $fd = shift;
1052        my $filename = shift;
1053
1054        if ($filename) {
1055                my $mime = mimetype_guess($filename);
1056                $mime and return $mime;
1057        }
1058
1059        # just in case
1060        return $default_blob_plain_mimetype unless $fd;
1061
1062        if (-T $fd) {
1063                return 'text/plain' .
1064                       ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1065        } elsif (! $filename) {
1066                return 'application/octet-stream';
1067        } elsif ($filename =~ m/\.png$/i) {
1068                return 'image/png';
1069        } elsif ($filename =~ m/\.gif$/i) {
1070                return 'image/gif';
1071        } elsif ($filename =~ m/\.jpe?g$/i) {
1072                return 'image/jpeg';
1073        } else {
1074                return 'application/octet-stream';
1075        }
1076}
1077
1078## ======================================================================
1079## functions printing HTML: header, footer, error page
1080
1081sub git_header_html {
1082        my $status = shift || "200 OK";
1083        my $expires = shift;
1084
1085        my $title = "$site_name git";
1086        if (defined $project) {
1087                $title .= " - $project";
1088                if (defined $action) {
1089                        $title .= "/$action";
1090                        if (defined $file_name) {
1091                                $title .= " - $file_name";
1092                                if ($action eq "tree" && $file_name !~ m|/$|) {
1093                                        $title .= "/";
1094                                }
1095                        }
1096                }
1097        }
1098        my $content_type;
1099        # require explicit support from the UA if we are to send the page as
1100        # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
1101        # we have to do this because MSIE sometimes globs '*/*', pretending to
1102        # support xhtml+xml but choking when it gets what it asked for.
1103        if (defined $cgi->http('HTTP_ACCEPT') &&
1104            $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ &&
1105            $cgi->Accept('application/xhtml+xml') != 0) {
1106                $content_type = 'application/xhtml+xml';
1107        } else {
1108                $content_type = 'text/html';
1109        }
1110        print $cgi->header(-type=>$content_type, -charset => 'utf-8',
1111                           -status=> $status, -expires => $expires);
1112        print <<EOF;
1113<?xml version="1.0" encoding="utf-8"?>
1114<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
1115<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
1116<!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
1117<!-- git core binaries version $git_version -->
1118<head>
1119<meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
1120<meta name="generator" content="gitweb/$version git/$git_version"/>
1121<meta name="robots" content="index, nofollow"/>
1122<title>$title</title>
1123<link rel="stylesheet" type="text/css" href="$stylesheet"/>
1124EOF
1125        if (defined $project) {
1126                printf('<link rel="alternate" title="%s log" '.
1127                       'href="%s" type="application/rss+xml"/>'."\n",
1128                       esc_param($project), href(action=>"rss"));
1129        }
1130
1131        print "</head>\n" .
1132              "<body>\n" .
1133              "<div class=\"page_header\">\n" .
1134              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
1135              "<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
1136              "</a>\n";
1137        print $cgi->a({-href => esc_param($home_link)}, $home_link_str) . " / ";
1138        if (defined $project) {
1139                print $cgi->a({-href => href(action=>"summary")}, esc_html($project));
1140                if (defined $action) {
1141                        print " / $action";
1142                }
1143                print "\n";
1144                if (!defined $searchtext) {
1145                        $searchtext = "";
1146                }
1147                my $search_hash;
1148                if (defined $hash_base) {
1149                        $search_hash = $hash_base;
1150                } elsif (defined $hash) {
1151                        $search_hash = $hash;
1152                } else {
1153                        $search_hash = "HEAD";
1154                }
1155                $cgi->param("a", "search");
1156                $cgi->param("h", $search_hash);
1157                print $cgi->startform(-method => "get", -action => $my_uri) .
1158                      "<div class=\"search\">\n" .
1159                      $cgi->hidden(-name => "p") . "\n" .
1160                      $cgi->hidden(-name => "a") . "\n" .
1161                      $cgi->hidden(-name => "h") . "\n" .
1162                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
1163                      "</div>" .
1164                      $cgi->end_form() . "\n";
1165        }
1166        print "</div>\n";
1167}
1168
1169sub git_footer_html {
1170        print "<div class=\"page_footer\">\n";
1171        if (defined $project) {
1172                my $descr = git_get_project_description($project);
1173                if (defined $descr) {
1174                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
1175                }
1176                print $cgi->a({-href => href(action=>"rss"), -class => "rss_logo"}, "RSS") . "\n";
1177        } else {
1178                print $cgi->a({-href => href(action=>"opml"), -class => "rss_logo"}, "OPML") . "\n";
1179        }
1180        print "</div>\n" .
1181              "</body>\n" .
1182              "</html>";
1183}
1184
1185sub die_error {
1186        my $status = shift || "403 Forbidden";
1187        my $error = shift || "Malformed query, file missing or permission denied";
1188
1189        git_header_html($status);
1190        print <<EOF;
1191<div class="page_body">
1192<br /><br />
1193$status - $error
1194<br />
1195</div>
1196EOF
1197        git_footer_html();
1198        exit;
1199}
1200
1201## ----------------------------------------------------------------------
1202## functions printing or outputting HTML: navigation
1203
1204sub git_print_page_nav {
1205        my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
1206        $extra = '' if !defined $extra; # pager or formats
1207
1208        my @navs = qw(summary shortlog log commit commitdiff tree);
1209        if ($suppress) {
1210                @navs = grep { $_ ne $suppress } @navs;
1211        }
1212
1213        my %arg = map { $_ => {action=>$_} } @navs;
1214        if (defined $head) {
1215                for (qw(commit commitdiff)) {
1216                        $arg{$_}{hash} = $head;
1217                }
1218                if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
1219                        for (qw(shortlog log)) {
1220                                $arg{$_}{hash} = $head;
1221                        }
1222                }
1223        }
1224        $arg{tree}{hash} = $treehead if defined $treehead;
1225        $arg{tree}{hash_base} = $treebase if defined $treebase;
1226
1227        print "<div class=\"page_nav\">\n" .
1228                (join " | ",
1229                 map { $_ eq $current ?
1230                       $_ : $cgi->a({-href => href(%{$arg{$_}})}, "$_")
1231                 } @navs);
1232        print "<br/>\n$extra<br/>\n" .
1233              "</div>\n";
1234}
1235
1236sub format_paging_nav {
1237        my ($action, $hash, $head, $page, $nrevs) = @_;
1238        my $paging_nav;
1239
1240
1241        if ($hash ne $head || $page) {
1242                $paging_nav .= $cgi->a({-href => href(action=>$action)}, "HEAD");
1243        } else {
1244                $paging_nav .= "HEAD";
1245        }
1246
1247        if ($page > 0) {
1248                $paging_nav .= " &sdot; " .
1249                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page-1),
1250                                 -accesskey => "p", -title => "Alt-p"}, "prev");
1251        } else {
1252                $paging_nav .= " &sdot; prev";
1253        }
1254
1255        if ($nrevs >= (100 * ($page+1)-1)) {
1256                $paging_nav .= " &sdot; " .
1257                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page+1),
1258                                 -accesskey => "n", -title => "Alt-n"}, "next");
1259        } else {
1260                $paging_nav .= " &sdot; next";
1261        }
1262
1263        return $paging_nav;
1264}
1265
1266## ......................................................................
1267## functions printing or outputting HTML: div
1268
1269sub git_print_header_div {
1270        my ($action, $title, $hash, $hash_base) = @_;
1271        my %args = ();
1272
1273        $args{action} = $action;
1274        $args{hash} = $hash if $hash;
1275        $args{hash_base} = $hash_base if $hash_base;
1276
1277        print "<div class=\"header\">\n" .
1278              $cgi->a({-href => href(%args), -class => "title"},
1279              $title ? $title : $action) .
1280              "\n</div>\n";
1281}
1282
1283sub git_print_page_path {
1284        my $name = shift;
1285        my $type = shift;
1286        my $hb = shift;
1287
1288        if (!defined $name) {
1289                print "<div class=\"page_path\">/</div>\n";
1290        } elsif (defined $type && $type eq 'blob') {
1291                print "<div class=\"page_path\">";
1292                if (defined $hb) {
1293                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
1294                                                     hash_base=>$hb)},
1295                                      esc_html($name));
1296                } else {
1297                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name)},
1298                                      esc_html($name));
1299                }
1300                print "<br/></div>\n";
1301        } else {
1302                print "<div class=\"page_path\">" . esc_html($name) . "<br/></div>\n";
1303        }
1304}
1305
1306sub git_print_log {
1307        my $log = shift;
1308
1309        # remove leading empty lines
1310        while (defined $log->[0] && $log->[0] eq "") {
1311                shift @$log;
1312        }
1313
1314        # print log
1315        my $signoff = 0;
1316        my $empty = 0;
1317        foreach my $line (@$log) {
1318                # print only one empty line
1319                # do not print empty line after signoff
1320                if ($line eq "") {
1321                        next if ($empty || $signoff);
1322                        $empty = 1;
1323                } else {
1324                        $empty = 0;
1325                }
1326                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1327                        $signoff = 1;
1328                        print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1329                } else {
1330                        $signoff = 0;
1331                        print format_log_line_html($line) . "<br/>\n";
1332                }
1333        }
1334}
1335
1336sub git_print_simplified_log {
1337        my $log = shift;
1338        my $remove_title = shift;
1339
1340        shift @$log if $remove_title;
1341        # remove leading empty lines
1342        while (defined $log->[0] && $log->[0] eq "") {
1343                shift @$log;
1344        }
1345
1346        # simplify and print log
1347        my $empty = 0;
1348        foreach my $line (@$log) {
1349                # remove signoff lines
1350                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1351                        next;
1352                }
1353                # print only one empty line
1354                if ($line eq "") {
1355                        next if $empty;
1356                        $empty = 1;
1357                } else {
1358                        $empty = 0;
1359                }
1360                print format_log_line_html($line) . "<br/>\n";
1361        }
1362        # end with single empty line
1363        print "<br/>\n" unless $empty;
1364}
1365
1366## ......................................................................
1367## functions printing large fragments of HTML
1368
1369sub git_difftree_body {
1370        my ($difftree, $parent) = @_;
1371
1372        print "<div class=\"list_head\">\n";
1373        if ($#{$difftree} > 10) {
1374                print(($#{$difftree} + 1) . " files changed:\n");
1375        }
1376        print "</div>\n";
1377
1378        print "<table class=\"diff_tree\">\n";
1379        my $alternate = 0;
1380        foreach my $line (@{$difftree}) {
1381                my %diff = parse_difftree_raw_line($line);
1382
1383                if ($alternate) {
1384                        print "<tr class=\"dark\">\n";
1385                } else {
1386                        print "<tr class=\"light\">\n";
1387                }
1388                $alternate ^= 1;
1389
1390                my ($to_mode_oct, $to_mode_str, $to_file_type);
1391                my ($from_mode_oct, $from_mode_str, $from_file_type);
1392                if ($diff{'to_mode'} ne ('0' x 6)) {
1393                        $to_mode_oct = oct $diff{'to_mode'};
1394                        if (S_ISREG($to_mode_oct)) { # only for regular file
1395                                $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
1396                        }
1397                        $to_file_type = file_type($diff{'to_mode'});
1398                }
1399                if ($diff{'from_mode'} ne ('0' x 6)) {
1400                        $from_mode_oct = oct $diff{'from_mode'};
1401                        if (S_ISREG($to_mode_oct)) { # only for regular file
1402                                $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
1403                        }
1404                        $from_file_type = file_type($diff{'from_mode'});
1405                }
1406
1407                if ($diff{'status'} eq "A") { # created
1408                        my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
1409                        $mode_chng   .= " with mode: $to_mode_str" if $to_mode_str;
1410                        $mode_chng   .= "]</span>";
1411                        print "<td>" .
1412                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1413                                                     hash_base=>$hash, file_name=>$diff{'file'}),
1414                                      -class => "list"}, esc_html($diff{'file'})) .
1415                              "</td>\n" .
1416                              "<td>$mode_chng</td>\n" .
1417                              "<td class=\"link\">" .
1418                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1419                                                     hash_base=>$hash, file_name=>$diff{'file'})},
1420                                      "blob") .
1421                              "</td>\n";
1422
1423                } elsif ($diff{'status'} eq "D") { # deleted
1424                        my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
1425                        print "<td>" .
1426                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1427                                                     hash_base=>$parent, file_name=>$diff{'file'}),
1428                                       -class => "list"}, esc_html($diff{'file'})) .
1429                              "</td>\n" .
1430                              "<td>$mode_chng</td>\n" .
1431                              "<td class=\"link\">" .
1432                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1433                                                     hash_base=>$parent, file_name=>$diff{'file'})},
1434                                      "blob") .
1435                              " | " .
1436                              $cgi->a({-href => href(action=>"history", hash_base=>$parent,
1437                                                     file_name=>$diff{'file'})},\
1438                                      "history") .
1439                              "</td>\n";
1440
1441                } elsif ($diff{'status'} eq "M" || $diff{'status'} eq "T") { # modified, or type changed
1442                        my $mode_chnge = "";
1443                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1444                                $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
1445                                if ($from_file_type != $to_file_type) {
1446                                        $mode_chnge .= " from $from_file_type to $to_file_type";
1447                                }
1448                                if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
1449                                        if ($from_mode_str && $to_mode_str) {
1450                                                $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
1451                                        } elsif ($to_mode_str) {
1452                                                $mode_chnge .= " mode: $to_mode_str";
1453                                        }
1454                                }
1455                                $mode_chnge .= "]</span>\n";
1456                        }
1457                        print "<td>";
1458                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1459                                print $cgi->a({-href => href(action=>"blobdiff", hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1460                                                             hash_base=>$hash, file_name=>$diff{'file'}),
1461                                              -class => "list"}, esc_html($diff{'file'}));
1462                        } else { # only mode changed
1463                                print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1464                                                             hash_base=>$hash, file_name=>$diff{'file'}),
1465                                              -class => "list"}, esc_html($diff{'file'}));
1466                        }
1467                        print "</td>\n" .
1468                              "<td>$mode_chnge</td>\n" .
1469                              "<td class=\"link\">" .
1470                                $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1471                                                       hash_base=>$hash, file_name=>$diff{'file'})},
1472                                        "blob");
1473                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1474                                print " | " .
1475                                        $cgi->a({-href => href(action=>"blobdiff", hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1476                                                               hash_base=>$hash, file_name=>$diff{'file'})},
1477                                                "diff");
1478                        }
1479                        print " | " .
1480                                $cgi->a({-href => href(action=>"history",
1481                                                       hash_base=>$hash, file_name=>$diff{'file'})},
1482                                        "history");
1483                        print "</td>\n";
1484
1485                } elsif ($diff{'status'} eq "R" || $diff{'status'} eq "C") { # renamed or copied
1486                        my %status_name = ('R' => 'moved', 'C' => 'copied');
1487                        my $nstatus = $status_name{$diff{'status'}};
1488                        my $mode_chng = "";
1489                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1490                                # mode also for directories, so we cannot use $to_mode_str
1491                                $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
1492                        }
1493                        print "<td>" .
1494                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1495                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'}),
1496                                      -class => "list"}, esc_html($diff{'to_file'})) . "</td>\n" .
1497                              "<td><span class=\"file_status $nstatus\">[$nstatus from " .
1498                              $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
1499                                                     hash=>$diff{'from_id'}, file_name=>$diff{'from_file'}),
1500                                      -class => "list"}, esc_html($diff{'from_file'})) .
1501                              " with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
1502                              "<td class=\"link\">" .
1503                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1504                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'})},
1505                                      "blob");
1506                        if ($diff{'to_id'} ne $diff{'from_id'}) {
1507                                print " | " .
1508                                        $cgi->a({-href => href(action=>"blobdiff", hash_base=>$hash,
1509                                                               hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1510                                                               file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
1511                                                "diff");
1512                        }
1513                        print "</td>\n";
1514
1515                } # we should not encounter Unmerged (U) or Unknown (X) status
1516                print "</tr>\n";
1517        }
1518        print "</table>\n";
1519}
1520
1521sub git_shortlog_body {
1522        # uses global variable $project
1523        my ($revlist, $from, $to, $refs, $extra) = @_;
1524
1525        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
1526        my $have_snapshot = (defined $ctype && defined $suffix);
1527
1528        $from = 0 unless defined $from;
1529        $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
1530
1531        print "<table class=\"shortlog\" cellspacing=\"0\">\n";
1532        my $alternate = 0;
1533        for (my $i = $from; $i <= $to; $i++) {
1534                my $commit = $revlist->[$i];
1535                #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
1536                my $ref = format_ref_marker($refs, $commit);
1537                my %co = parse_commit($commit);
1538                if ($alternate) {
1539                        print "<tr class=\"dark\">\n";
1540                } else {
1541                        print "<tr class=\"light\">\n";
1542                }
1543                $alternate ^= 1;
1544                # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
1545                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1546                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1547                      "<td>";
1548                print format_subject_html($co{'title'}, $co{'title_short'},
1549                                          href(action=>"commit", hash=>$commit), $ref);
1550                print "</td>\n" .
1551                      "<td class=\"link\">" .
1552                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
1553                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
1554                if ($have_snapshot) {
1555                        print " | " .  $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
1556                }
1557                print "</td>\n" .
1558                      "</tr>\n";
1559        }
1560        if (defined $extra) {
1561                print "<tr>\n" .
1562                      "<td colspan=\"4\">$extra</td>\n" .
1563                      "</tr>\n";
1564        }
1565        print "</table>\n";
1566}
1567
1568sub git_history_body {
1569        # Warning: assumes constant type (blob or tree) during history
1570        my ($fd, $refs, $hash_base, $ftype, $extra) = @_;
1571
1572        print "<table class=\"history\" cellspacing=\"0\">\n";
1573        my $alternate = 0;
1574        while (my $line = <$fd>) {
1575                if ($line !~ m/^([0-9a-fA-F]{40})/) {
1576                        next;
1577                }
1578
1579                my $commit = $1;
1580                my %co = parse_commit($commit);
1581                if (!%co) {
1582                        next;
1583                }
1584
1585                my $ref = format_ref_marker($refs, $commit);
1586
1587                if ($alternate) {
1588                        print "<tr class=\"dark\">\n";
1589                } else {
1590                        print "<tr class=\"light\">\n";
1591                }
1592                $alternate ^= 1;
1593                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1594                      # shortlog uses      chop_str($co{'author_name'}, 10)
1595                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
1596                      "<td>";
1597                # originally git_history used chop_str($co{'title'}, 50)
1598                print format_subject_html($co{'title'}, $co{'title_short'},
1599                                          href(action=>"commit", hash=>$commit), $ref);
1600                print "</td>\n" .
1601                      "<td class=\"link\">" .
1602                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
1603                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
1604                      $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype);
1605
1606                if ($ftype eq 'blob') {
1607                        my $blob_current = git_get_hash_by_path($hash_base, $file_name);
1608                        my $blob_parent  = git_get_hash_by_path($commit, $file_name);
1609                        if (defined $blob_current && defined $blob_parent &&
1610                                        $blob_current ne $blob_parent) {
1611                                print " | " .
1612                                        $cgi->a({-href => href(action=>"blobdiff", hash=>$blob_current, hash_parent=>$blob_parent,
1613                                                               hash_base=>$commit, file_name=>$file_name)},
1614                                                "diff to current");
1615                        }
1616                }
1617                print "</td>\n" .
1618                      "</tr>\n";
1619        }
1620        if (defined $extra) {
1621                print "<tr>\n" .
1622                      "<td colspan=\"4\">$extra</td>\n" .
1623                      "</tr>\n";
1624        }
1625        print "</table>\n";
1626}
1627
1628sub git_tags_body {
1629        # uses global variable $project
1630        my ($taglist, $from, $to, $extra) = @_;
1631        $from = 0 unless defined $from;
1632        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1633
1634        print "<table class=\"tags\" cellspacing=\"0\">\n";
1635        my $alternate = 0;
1636        for (my $i = $from; $i <= $to; $i++) {
1637                my $entry = $taglist->[$i];
1638                my %tag = %$entry;
1639                my $comment_lines = $tag{'comment'};
1640                my $comment = shift @$comment_lines;
1641                my $comment_short;
1642                if (defined $comment) {
1643                        $comment_short = chop_str($comment, 30, 5);
1644                }
1645                if ($alternate) {
1646                        print "<tr class=\"dark\">\n";
1647                } else {
1648                        print "<tr class=\"light\">\n";
1649                }
1650                $alternate ^= 1;
1651                print "<td><i>$tag{'age'}</i></td>\n" .
1652                      "<td>" .
1653                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
1654                               -class => "list name"}, esc_html($tag{'name'})) .
1655                      "</td>\n" .
1656                      "<td>";
1657                if (defined $comment) {
1658                        print format_subject_html($comment, $comment_short,
1659                                                  href(action=>"tag", hash=>$tag{'id'}));
1660                }
1661                print "</td>\n" .
1662                      "<td class=\"selflink\">";
1663                if ($tag{'type'} eq "tag") {
1664                        print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
1665                } else {
1666                        print "&nbsp;";
1667                }
1668                print "</td>\n" .
1669                      "<td class=\"link\">" . " | " .
1670                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
1671                if ($tag{'reftype'} eq "commit") {
1672                        print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") .
1673                              " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'refid'})}, "log");
1674                } elsif ($tag{'reftype'} eq "blob") {
1675                        print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
1676                }
1677                print "</td>\n" .
1678                      "</tr>";
1679        }
1680        if (defined $extra) {
1681                print "<tr>\n" .
1682                      "<td colspan=\"5\">$extra</td>\n" .
1683                      "</tr>\n";
1684        }
1685        print "</table>\n";
1686}
1687
1688sub git_heads_body {
1689        # uses global variable $project
1690        my ($taglist, $head, $from, $to, $extra) = @_;
1691        $from = 0 unless defined $from;
1692        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1693
1694        print "<table class=\"heads\" cellspacing=\"0\">\n";
1695        my $alternate = 0;
1696        for (my $i = $from; $i <= $to; $i++) {
1697                my $entry = $taglist->[$i];
1698                my %tag = %$entry;
1699                my $curr = $tag{'id'} eq $head;
1700                if ($alternate) {
1701                        print "<tr class=\"dark\">\n";
1702                } else {
1703                        print "<tr class=\"light\">\n";
1704                }
1705                $alternate ^= 1;
1706                print "<td><i>$tag{'age'}</i></td>\n" .
1707                      ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
1708                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'}),
1709                               -class => "list name"},esc_html($tag{'name'})) .
1710                      "</td>\n" .
1711                      "<td class=\"link\">" .
1712                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") . " | " .
1713                      $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log") .
1714                      "</td>\n" .
1715                      "</tr>";
1716        }
1717        if (defined $extra) {
1718                print "<tr>\n" .
1719                      "<td colspan=\"3\">$extra</td>\n" .
1720                      "</tr>\n";
1721        }
1722        print "</table>\n";
1723}
1724
1725## ----------------------------------------------------------------------
1726## functions printing large fragments, format as one of arguments
1727
1728sub git_diff_print {
1729        my $from = shift;
1730        my $from_name = shift;
1731        my $to = shift;
1732        my $to_name = shift;
1733        my $format = shift || "html";
1734
1735        my $from_tmp = "/dev/null";
1736        my $to_tmp = "/dev/null";
1737        my $pid = $$;
1738
1739        # create tmp from-file
1740        if (defined $from) {
1741                $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
1742                open my $fd2, "> $from_tmp";
1743                open my $fd, "-|", $GIT, "cat-file", "blob", $from;
1744                my @file = <$fd>;
1745                print $fd2 @file;
1746                close $fd2;
1747                close $fd;
1748        }
1749
1750        # create tmp to-file
1751        if (defined $to) {
1752                $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
1753                open my $fd2, "> $to_tmp";
1754                open my $fd, "-|", $GIT, "cat-file", "blob", $to;
1755                my @file = <$fd>;
1756                print $fd2 @file;
1757                close $fd2;
1758                close $fd;
1759        }
1760
1761        open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
1762        if ($format eq "plain") {
1763                undef $/;
1764                print <$fd>;
1765                $/ = "\n";
1766        } else {
1767                while (my $line = <$fd>) {
1768                        chomp $line;
1769                        my $char = substr($line, 0, 1);
1770                        my $diff_class = "";
1771                        if ($char eq '+') {
1772                                $diff_class = " add";
1773                        } elsif ($char eq "-") {
1774                                $diff_class = " rem";
1775                        } elsif ($char eq "@") {
1776                                $diff_class = " chunk_header";
1777                        } elsif ($char eq "\\") {
1778                                # skip errors
1779                                next;
1780                        }
1781                        $line = untabify($line);
1782                        print "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
1783                }
1784        }
1785        close $fd;
1786
1787        if (defined $from) {
1788                unlink($from_tmp);
1789        }
1790        if (defined $to) {
1791                unlink($to_tmp);
1792        }
1793}
1794
1795
1796## ======================================================================
1797## ======================================================================
1798## actions
1799
1800sub git_project_list {
1801        my $order = $cgi->param('o');
1802        if (defined $order && $order !~ m/project|descr|owner|age/) {
1803                die_error(undef, "Unknown order parameter");
1804        }
1805
1806        my @list = git_get_projects_list();
1807        my @projects;
1808        if (!@list) {
1809                die_error(undef, "No projects found");
1810        }
1811        foreach my $pr (@list) {
1812                my $head = git_get_head_hash($pr->{'path'});
1813                if (!defined $head) {
1814                        next;
1815                }
1816                $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
1817                my %co = parse_commit($head);
1818                if (!%co) {
1819                        next;
1820                }
1821                $pr->{'commit'} = \%co;
1822                if (!defined $pr->{'descr'}) {
1823                        my $descr = git_get_project_description($pr->{'path'}) || "";
1824                        $pr->{'descr'} = chop_str($descr, 25, 5);
1825                }
1826                if (!defined $pr->{'owner'}) {
1827                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
1828                }
1829                push @projects, $pr;
1830        }
1831
1832        git_header_html();
1833        if (-f $home_text) {
1834                print "<div class=\"index_include\">\n";
1835                open (my $fd, $home_text);
1836                print <$fd>;
1837                close $fd;
1838                print "</div>\n";
1839        }
1840        print "<table class=\"project_list\">\n" .
1841              "<tr>\n";
1842        $order ||= "project";
1843        if ($order eq "project") {
1844                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
1845                print "<th>Project</th>\n";
1846        } else {
1847                print "<th>" .
1848                      $cgi->a({-href => "$my_uri?" . esc_param("o=project"),
1849                               -class => "header"}, "Project") .
1850                      "</th>\n";
1851        }
1852        if ($order eq "descr") {
1853                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
1854                print "<th>Description</th>\n";
1855        } else {
1856                print "<th>" .
1857                      $cgi->a({-href => "$my_uri?" . esc_param("o=descr"),
1858                               -class => "header"}, "Description") .
1859                      "</th>\n";
1860        }
1861        if ($order eq "owner") {
1862                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
1863                print "<th>Owner</th>\n";
1864        } else {
1865                print "<th>" .
1866                      $cgi->a({-href => "$my_uri?" . esc_param("o=owner"),
1867                               -class => "header"}, "Owner") .
1868                      "</th>\n";
1869        }
1870        if ($order eq "age") {
1871                @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
1872                print "<th>Last Change</th>\n";
1873        } else {
1874                print "<th>" .
1875                      $cgi->a({-href => "$my_uri?" . esc_param("o=age"),
1876                               -class => "header"}, "Last Change") .
1877                      "</th>\n";
1878        }
1879        print "<th></th>\n" .
1880              "</tr>\n";
1881        my $alternate = 0;
1882        foreach my $pr (@projects) {
1883                if ($alternate) {
1884                        print "<tr class=\"dark\">\n";
1885                } else {
1886                        print "<tr class=\"light\">\n";
1887                }
1888                $alternate ^= 1;
1889                print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
1890                                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
1891                      "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
1892                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
1893                print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" .
1894                      $pr->{'commit'}{'age_string'} . "</td>\n" .
1895                      "<td class=\"link\">" .
1896                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
1897                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
1898                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") .
1899                      "</td>\n" .
1900                      "</tr>\n";
1901        }
1902        print "</table>\n";
1903        git_footer_html();
1904}
1905
1906sub git_summary {
1907        my $descr = git_get_project_description($project) || "none";
1908        my $head = git_get_head_hash($project);
1909        my %co = parse_commit($head);
1910        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
1911
1912        my $owner = git_get_project_owner($project);
1913
1914        my $refs = git_get_references();
1915        git_header_html();
1916        git_print_page_nav('summary','', $head);
1917
1918        print "<div class=\"title\">&nbsp;</div>\n";
1919        print "<table cellspacing=\"0\">\n" .
1920              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
1921              "<tr><td>owner</td><td>$owner</td></tr>\n" .
1922              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n";
1923        # use per project git URL list in $projectroot/$project/cloneurl
1924        # or make project git URL from git base URL and project name
1925        my $url_tag = "URL";
1926        my @url_list = git_get_project_url_list($project);
1927        @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
1928        foreach my $git_url (@url_list) {
1929                next unless $git_url;
1930                print "<tr><td>$url_tag</td><td>$git_url</td></tr>\n";
1931                $url_tag = "";
1932        }
1933        print "</table>\n";
1934
1935        open my $fd, "-|", $GIT, "rev-list", "--max-count=17", git_get_head_hash($project)
1936                or die_error(undef, "Open git-rev-list failed");
1937        my @revlist = map { chomp; $_ } <$fd>;
1938        close $fd;
1939        git_print_header_div('shortlog');
1940        git_shortlog_body(\@revlist, 0, 15, $refs,
1941                          $cgi->a({-href => href(action=>"shortlog")}, "..."));
1942
1943        my $taglist = git_get_refs_list("refs/tags");
1944        if (defined @$taglist) {
1945                git_print_header_div('tags');
1946                git_tags_body($taglist, 0, 15,
1947                              $cgi->a({-href => href(action=>"tags")}, "..."));
1948        }
1949
1950        my $headlist = git_get_refs_list("refs/heads");
1951        if (defined @$headlist) {
1952                git_print_header_div('heads');
1953                git_heads_body($headlist, $head, 0, 15,
1954                               $cgi->a({-href => href(action=>"heads")}, "..."));
1955        }
1956
1957        git_footer_html();
1958}
1959
1960sub git_tag {
1961        my $head = git_get_head_hash($project);
1962        git_header_html();
1963        git_print_page_nav('','', $head,undef,$head);
1964        my %tag = parse_tag($hash);
1965        git_print_header_div('commit', esc_html($tag{'name'}), $hash);
1966        print "<div class=\"title_text\">\n" .
1967              "<table cellspacing=\"0\">\n" .
1968              "<tr>\n" .
1969              "<td>object</td>\n" .
1970              "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
1971                               $tag{'object'}) . "</td>\n" .
1972              "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
1973                                              $tag{'type'}) . "</td>\n" .
1974              "</tr>\n";
1975        if (defined($tag{'author'})) {
1976                my %ad = parse_date($tag{'epoch'}, $tag{'tz'});
1977                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
1978                print "<tr><td></td><td>" . $ad{'rfc2822'} .
1979                        sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) .
1980                        "</td></tr>\n";
1981        }
1982        print "</table>\n\n" .
1983              "</div>\n";
1984        print "<div class=\"page_body\">";
1985        my $comment = $tag{'comment'};
1986        foreach my $line (@$comment) {
1987                print esc_html($line) . "<br/>\n";
1988        }
1989        print "</div>\n";
1990        git_footer_html();
1991}
1992
1993sub git_blame2 {
1994        my $fd;
1995        my $ftype;
1996
1997        if (!gitweb_check_feature('blame')) {
1998                die_error('403 Permission denied', "Permission denied");
1999        }
2000        die_error('404 Not Found', "File name not defined") if (!$file_name);
2001        $hash_base ||= git_get_head_hash($project);
2002        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2003        my %co = parse_commit($hash_base)
2004                or die_error(undef, "Reading commit failed");
2005        if (!defined $hash) {
2006                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2007                        or die_error(undef, "Error looking up file");
2008        }
2009        $ftype = git_get_type($hash);
2010        if ($ftype !~ "blob") {
2011                die_error("400 Bad Request", "Object is not a blob");
2012        }
2013        open ($fd, "-|", $GIT, "blame", '-l', $file_name, $hash_base)
2014                or die_error(undef, "Open git-blame failed");
2015        git_header_html();
2016        my $formats_nav =
2017                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2018                        "blob") .
2019                " | " .
2020                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2021                        "head");
2022        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2023        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2024        git_print_page_path($file_name, $ftype, $hash_base);
2025        my @rev_color = (qw(light2 dark2));
2026        my $num_colors = scalar(@rev_color);
2027        my $current_color = 0;
2028        my $last_rev;
2029        print <<HTML;
2030<div class="page_body">
2031<table class="blame">
2032<tr><th>Commit</th><th>Line</th><th>Data</th></tr>
2033HTML
2034        while (<$fd>) {
2035                /^([0-9a-fA-F]{40}).*?(\d+)\)\s{1}(\s*.*)/;
2036                my $full_rev = $1;
2037                my $rev = substr($full_rev, 0, 8);
2038                my $lineno = $2;
2039                my $data = $3;
2040
2041                if (!defined $last_rev) {
2042                        $last_rev = $full_rev;
2043                } elsif ($last_rev ne $full_rev) {
2044                        $last_rev = $full_rev;
2045                        $current_color = ++$current_color % $num_colors;
2046                }
2047                print "<tr class=\"$rev_color[$current_color]\">\n";
2048                print "<td class=\"sha1\">" .
2049                        $cgi->a({-href => href(action=>"commit", hash=>$full_rev, file_name=>$file_name)},
2050                                esc_html($rev)) . "</td>\n";
2051                print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" .
2052                      esc_html($lineno) . "</a></td>\n";
2053                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
2054                print "</tr>\n";
2055        }
2056        print "</table>\n";
2057        print "</div>";
2058        close $fd
2059                or print "Reading blob failed\n";
2060        git_footer_html();
2061}
2062
2063sub git_blame {
2064        my $fd;
2065
2066        if (!gitweb_check_feature('blame')) {
2067                die_error('403 Permission denied', "Permission denied");
2068        }
2069        die_error('404 Not Found', "File name not defined") if (!$file_name);
2070        $hash_base ||= git_get_head_hash($project);
2071        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2072        my %co = parse_commit($hash_base)
2073                or die_error(undef, "Reading commit failed");
2074        if (!defined $hash) {
2075                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2076                        or die_error(undef, "Error lookup file");
2077        }
2078        open ($fd, "-|", $GIT, "annotate", '-l', '-t', '-r', $file_name, $hash_base)
2079                or die_error(undef, "Open git-annotate failed");
2080        git_header_html();
2081        my $formats_nav =
2082                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2083                        "blob") .
2084                " | " .
2085                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2086                        "head");
2087        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2088        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2089        git_print_page_path($file_name, 'blob', $hash_base);
2090        print "<div class=\"page_body\">\n";
2091        print <<HTML;
2092<table class="blame">
2093  <tr>
2094    <th>Commit</th>
2095    <th>Age</th>
2096    <th>Author</th>
2097    <th>Line</th>
2098    <th>Data</th>
2099  </tr>
2100HTML
2101        my @line_class = (qw(light dark));
2102        my $line_class_len = scalar (@line_class);
2103        my $line_class_num = $#line_class;
2104        while (my $line = <$fd>) {
2105                my $long_rev;
2106                my $short_rev;
2107                my $author;
2108                my $time;
2109                my $lineno;
2110                my $data;
2111                my $age;
2112                my $age_str;
2113                my $age_class;
2114
2115                chomp $line;
2116                $line_class_num = ($line_class_num + 1) % $line_class_len;
2117
2118                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
2119                        $long_rev = $1;
2120                        $author   = $2;
2121                        $time     = $3;
2122                        $lineno   = $4;
2123                        $data     = $5;
2124                } else {
2125                        print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
2126                        next;
2127                }
2128                $short_rev  = substr ($long_rev, 0, 8);
2129                $age        = time () - $time;
2130                $age_str    = age_string ($age);
2131                $age_str    =~ s/ /&nbsp;/g;
2132                $age_class  = age_class($age);
2133                $author     = esc_html ($author);
2134                $author     =~ s/ /&nbsp;/g;
2135
2136                $data = untabify($data);
2137                $data = esc_html ($data);
2138
2139                print <<HTML;
2140  <tr class="$line_class[$line_class_num]">
2141    <td class="sha1"><a href="${\href (action=>"commit", hash=>$long_rev)}" class="text">$short_rev..</a></td>
2142    <td class="$age_class">$age_str</td>
2143    <td>$author</td>
2144    <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
2145    <td class="pre">$data</td>
2146  </tr>
2147HTML
2148        } # while (my $line = <$fd>)
2149        print "</table>\n\n";
2150        close $fd
2151                or print "Reading blob failed.\n";
2152        print "</div>";
2153        git_footer_html();
2154}
2155
2156sub git_tags {
2157        my $head = git_get_head_hash($project);
2158        git_header_html();
2159        git_print_page_nav('','', $head,undef,$head);
2160        git_print_header_div('summary', $project);
2161
2162        my $taglist = git_get_refs_list("refs/tags");
2163        if (defined @$taglist) {
2164                git_tags_body($taglist);
2165        }
2166        git_footer_html();
2167}
2168
2169sub git_heads {
2170        my $head = git_get_head_hash($project);
2171        git_header_html();
2172        git_print_page_nav('','', $head,undef,$head);
2173        git_print_header_div('summary', $project);
2174
2175        my $taglist = git_get_refs_list("refs/heads");
2176        if (defined @$taglist) {
2177                git_heads_body($taglist, $head);
2178        }
2179        git_footer_html();
2180}
2181
2182sub git_blob_plain {
2183        if (!defined $hash) {
2184                if (defined $file_name) {
2185                        my $base = $hash_base || git_get_head_hash($project);
2186                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2187                                or die_error(undef, "Error lookup file");
2188                } else {
2189                        die_error(undef, "No file name defined");
2190                }
2191        }
2192        my $type = shift;
2193        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
2194                or die_error(undef, "Couldn't cat $file_name, $hash");
2195
2196        $type ||= blob_mimetype($fd, $file_name);
2197
2198        # save as filename, even when no $file_name is given
2199        my $save_as = "$hash";
2200        if (defined $file_name) {
2201                $save_as = $file_name;
2202        } elsif ($type =~ m/^text\//) {
2203                $save_as .= '.txt';
2204        }
2205
2206        print $cgi->header(-type => "$type",
2207                           -content_disposition => "inline; filename=\"$save_as\"");
2208        undef $/;
2209        binmode STDOUT, ':raw';
2210        print <$fd>;
2211        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2212        $/ = "\n";
2213        close $fd;
2214}
2215
2216sub git_blob {
2217        if (!defined $hash) {
2218                if (defined $file_name) {
2219                        my $base = $hash_base || git_get_head_hash($project);
2220                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2221                                or die_error(undef, "Error lookup file");
2222                } else {
2223                        die_error(undef, "No file name defined");
2224                }
2225        }
2226        my $have_blame = gitweb_check_feature('blame');
2227        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
2228                or die_error(undef, "Couldn't cat $file_name, $hash");
2229        my $mimetype = blob_mimetype($fd, $file_name);
2230        if ($mimetype !~ m/^text\//) {
2231                close $fd;
2232                return git_blob_plain($mimetype);
2233        }
2234        git_header_html();
2235        my $formats_nav = '';
2236        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2237                if (defined $file_name) {
2238                        if ($have_blame) {
2239                                $formats_nav .=
2240                                        $cgi->a({-href => href(action=>"blame", hash_base=>$hash_base,
2241                                                               hash=>$hash, file_name=>$file_name)},
2242                                                "blame") .
2243                                        " | ";
2244                        }
2245                        $formats_nav .=
2246                                $cgi->a({-href => href(action=>"blob_plain",
2247                                                       hash=>$hash, file_name=>$file_name)},
2248                                        "plain") .
2249                                " | " .
2250                                $cgi->a({-href => href(action=>"blob",
2251                                                       hash_base=>"HEAD", file_name=>$file_name)},
2252                                        "head");
2253                } else {
2254                        $formats_nav .=
2255                                $cgi->a({-href => href(action=>"blob_plain", hash=>$hash)}, "plain");
2256                }
2257                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2258                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2259        } else {
2260                print "<div class=\"page_nav\">\n" .
2261                      "<br/><br/></div>\n" .
2262                      "<div class=\"title\">$hash</div>\n";
2263        }
2264        git_print_page_path($file_name, "blob", $hash_base);
2265        print "<div class=\"page_body\">\n";
2266        my $nr;
2267        while (my $line = <$fd>) {
2268                chomp $line;
2269                $nr++;
2270                $line = untabify($line);
2271                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
2272                       $nr, $nr, $nr, esc_html($line);
2273        }
2274        close $fd
2275                or print "Reading blob failed.\n";
2276        print "</div>";
2277        git_footer_html();
2278}
2279
2280sub git_tree {
2281        if (!defined $hash) {
2282                $hash = git_get_head_hash($project);
2283                if (defined $file_name) {
2284                        my $base = $hash_base || $hash;
2285                        $hash = git_get_hash_by_path($base, $file_name, "tree");
2286                }
2287                if (!defined $hash_base) {
2288                        $hash_base = $hash;
2289                }
2290        }
2291        $/ = "\0";
2292        open my $fd, "-|", $GIT, "ls-tree", '-z', $hash
2293                or die_error(undef, "Open git-ls-tree failed");
2294        my @entries = map { chomp; $_ } <$fd>;
2295        close $fd or die_error(undef, "Reading tree failed");
2296        $/ = "\n";
2297
2298        my $refs = git_get_references();
2299        my $ref = format_ref_marker($refs, $hash_base);
2300        git_header_html();
2301        my %base_key = ();
2302        my $base = "";
2303        my $have_blame = gitweb_check_feature('blame');
2304        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2305                $base_key{hash_base} = $hash_base;
2306                git_print_page_nav('tree','', $hash_base);
2307                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
2308        } else {
2309                print "<div class=\"page_nav\">\n";
2310                print "<br/><br/></div>\n";
2311                print "<div class=\"title\">$hash</div>\n";
2312        }
2313        if (defined $file_name) {
2314                $base = esc_html("$file_name/");
2315        }
2316        git_print_page_path($file_name, 'tree', $hash_base);
2317        print "<div class=\"page_body\">\n";
2318        print "<table cellspacing=\"0\">\n";
2319        my $alternate = 0;
2320        foreach my $line (@entries) {
2321                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
2322                $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
2323                my $t_mode = $1;
2324                my $t_type = $2;
2325                my $t_hash = $3;
2326                my $t_name = validate_input($4);
2327                if ($alternate) {
2328                        print "<tr class=\"dark\">\n";
2329                } else {
2330                        print "<tr class=\"light\">\n";
2331                }
2332                $alternate ^= 1;
2333                print "<td class=\"mode\">" . mode_str($t_mode) . "</td>\n";
2334                if ($t_type eq "blob") {
2335                        print "<td class=\"list\">" .
2336                              $cgi->a({-href => href(action=>"blob", hash=>$t_hash, file_name=>"$base$t_name", %base_key),
2337                                      -class => "list"}, esc_html($t_name)) .
2338                              "</td>\n" .
2339                              "<td class=\"link\">" .
2340                              $cgi->a({-href => href(action=>"blob", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2341                                      "blob");
2342                        if ($have_blame) {
2343                                print " | " .
2344                                        $cgi->a({-href => href(action=>"blame", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2345                                                "blame");
2346                        }
2347                        print " | " .
2348                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2349                                                     hash=>$t_hash, file_name=>"$base$t_name")},
2350                                      "history") .
2351                              " | " .
2352                              $cgi->a({-href => href(action=>"blob_plain",
2353                                                     hash=>$t_hash, file_name=>"$base$t_name")},
2354                                      "raw") .
2355                              "</td>\n";
2356                } elsif ($t_type eq "tree") {
2357                        print "<td class=\"list\">" .
2358                              $cgi->a({-href => href(action=>"tree", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2359                                      esc_html($t_name)) .
2360                              "</td>\n" .
2361                              "<td class=\"link\">" .
2362                              $cgi->a({-href => href(action=>"tree", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2363                                      "tree") .
2364                              " | " .
2365                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base, file_name=>"$base$t_name")},
2366                                      "history") .
2367                              "</td>\n";
2368                }
2369                print "</tr>\n";
2370        }
2371        print "</table>\n" .
2372              "</div>";
2373        git_footer_html();
2374}
2375
2376sub git_snapshot {
2377
2378        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2379        my $have_snapshot = (defined $ctype && defined $suffix);
2380        if (!$have_snapshot) {
2381                die_error('403 Permission denied', "Permission denied");
2382        }
2383
2384        if (!defined $hash) {
2385                $hash = git_get_head_hash($project);
2386        }
2387
2388        my $filename = basename($project) . "-$hash.tar.$suffix";
2389
2390        print $cgi->header(-type => 'application/x-tar',
2391                           -content_encoding => $ctype,
2392                           -content_disposition => "inline; filename=\"$filename\"",
2393                           -status => '200 OK');
2394
2395        open my $fd, "-|", "$GIT tar-tree $hash \'$project\' | $command" or
2396                die_error(undef, "Execute git-tar-tree failed.");
2397        binmode STDOUT, ':raw';
2398        print <$fd>;
2399        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2400        close $fd;
2401
2402}
2403
2404sub git_log {
2405        my $head = git_get_head_hash($project);
2406        if (!defined $hash) {
2407                $hash = $head;
2408        }
2409        if (!defined $page) {
2410                $page = 0;
2411        }
2412        my $refs = git_get_references();
2413
2414        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2415        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
2416                or die_error(undef, "Open git-rev-list failed");
2417        my @revlist = map { chomp; $_ } <$fd>;
2418        close $fd;
2419
2420        my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#revlist);
2421
2422        git_header_html();
2423        git_print_page_nav('log','', $hash,undef,undef, $paging_nav);
2424
2425        if (!@revlist) {
2426                my %co = parse_commit($hash);
2427
2428                git_print_header_div('summary', $project);
2429                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
2430        }
2431        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2432                my $commit = $revlist[$i];
2433                my $ref = format_ref_marker($refs, $commit);
2434                my %co = parse_commit($commit);
2435                next if !%co;
2436                my %ad = parse_date($co{'author_epoch'});
2437                git_print_header_div('commit',
2438                               "<span class=\"age\">$co{'age_string'}</span>" .
2439                               esc_html($co{'title'}) . $ref,
2440                               $commit);
2441                print "<div class=\"title_text\">\n" .
2442                      "<div class=\"log_link\">\n" .
2443                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
2444                      " | " .
2445                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
2446                      "<br/>\n" .
2447                      "</div>\n" .
2448                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
2449                      "</div>\n";
2450
2451                print "<div class=\"log_body\">\n";
2452                git_print_simplified_log($co{'comment'});
2453                print "</div>\n";
2454        }
2455        git_footer_html();
2456}
2457
2458sub git_commit {
2459        my %co = parse_commit($hash);
2460        if (!%co) {
2461                die_error(undef, "Unknown commit object");
2462        }
2463        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2464        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2465
2466        my $parent = $co{'parent'};
2467        if (!defined $parent) {
2468                $parent = "--root";
2469        }
2470        open my $fd, "-|", $GIT, "diff-tree", '-r', '-M', $parent, $hash
2471                or die_error(undef, "Open git-diff-tree failed");
2472        my @difftree = map { chomp; $_ } <$fd>;
2473        close $fd or die_error(undef, "Reading git-diff-tree failed");
2474
2475        # non-textual hash id's can be cached
2476        my $expires;
2477        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2478                $expires = "+1d";
2479        }
2480        my $refs = git_get_references();
2481        my $ref = format_ref_marker($refs, $co{'id'});
2482
2483        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2484        my $have_snapshot = (defined $ctype && defined $suffix);
2485
2486        my $formats_nav = '';
2487        if (defined $file_name && defined $co{'parent'}) {
2488                my $parent = $co{'parent'};
2489                $formats_nav .=
2490                        $cgi->a({-href => href(action=>"blame", hash_parent=>$parent, file_name=>$file_name)},
2491                                "blame");
2492        }
2493        git_header_html(undef, $expires);
2494        git_print_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
2495                           $hash, $co{'tree'}, $hash,
2496                           $formats_nav);
2497
2498        if (defined $co{'parent'}) {
2499                git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
2500        } else {
2501                git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
2502        }
2503        print "<div class=\"title_text\">\n" .
2504              "<table cellspacing=\"0\">\n";
2505        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
2506              "<tr>" .
2507              "<td></td><td> $ad{'rfc2822'}";
2508        if ($ad{'hour_local'} < 6) {
2509                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
2510                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2511        } else {
2512                printf(" (%02d:%02d %s)",
2513                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2514        }
2515        print "</td>" .
2516              "</tr>\n";
2517        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
2518        print "<tr><td></td><td> $cd{'rfc2822'}" .
2519              sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) .
2520              "</td></tr>\n";
2521        print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
2522        print "<tr>" .
2523              "<td>tree</td>" .
2524              "<td class=\"sha1\">" .
2525              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
2526                       class => "list"}, $co{'tree'}) .
2527              "</td>" .
2528              "<td class=\"link\">" .
2529              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
2530                      "tree");
2531        if ($have_snapshot) {
2532                print " | " .
2533                      $cgi->a({-href => href(action=>"snapshot", hash=>$hash)}, "snapshot");
2534        }
2535        print "</td>" .
2536              "</tr>\n";
2537        my $parents = $co{'parents'};
2538        foreach my $par (@$parents) {
2539                print "<tr>" .
2540                      "<td>parent</td>" .
2541                      "<td class=\"sha1\">" .
2542                      $cgi->a({-href => href(action=>"commit", hash=>$par),
2543                               class => "list"}, $par) .
2544                      "</td>" .
2545                      "<td class=\"link\">" .
2546                      $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
2547                      " | " .
2548                      $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "commitdiff") .
2549                      "</td>" .
2550                      "</tr>\n";
2551        }
2552        print "</table>".
2553              "</div>\n";
2554
2555        print "<div class=\"page_body\">\n";
2556        git_print_log($co{'comment'});
2557        print "</div>\n";
2558
2559        git_difftree_body(\@difftree, $parent);
2560
2561        git_footer_html();
2562}
2563
2564sub git_blobdiff {
2565        mkdir($git_temp, 0700);
2566        git_header_html();
2567        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2568                my $formats_nav =
2569                        $cgi->a({-href => href(action=>"blobdiff_plain",
2570                                               hash=>$hash, hash_parent=>$hash_parent)},
2571                                "plain");
2572                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2573                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2574        } else {
2575                print <<HTML;
2576<div class="page_nav"><br/><br/></div>
2577<div class="title">$hash vs $hash_parent</div>
2578HTML
2579        }
2580        git_print_page_path($file_name, "blob", $hash_base);
2581        print "<div class=\"page_body\">\n" .
2582              "<div class=\"diff_info\">blob:" .
2583              $cgi->a({-href => href(action=>"blob", hash=>$hash_parent,
2584                                     hash_base=>$hash_base, file_name=>($file_parent || $file_name))},
2585                      $hash_parent) .
2586              " -> blob:" .
2587              $cgi->a({-href => href(action=>"blob", hash=>$hash,
2588                                     hash_base=>$hash_base, file_name=>$file_name)},
2589                      $hash) .
2590              "</div>\n";
2591        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2592        print "</div>"; # page_body
2593        git_footer_html();
2594}
2595
2596sub git_blobdiff_plain {
2597        mkdir($git_temp, 0700);
2598        print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2599        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2600}
2601
2602sub git_commitdiff {
2603        mkdir($git_temp, 0700);
2604        my %co = parse_commit($hash);
2605        if (!%co) {
2606                die_error(undef, "Unknown commit object");
2607        }
2608        if (!defined $hash_parent) {
2609                $hash_parent = $co{'parent'} || '--root';
2610        }
2611        open my $fd, "-|", $GIT, "diff-tree", '-r', $hash_parent, $hash
2612                or die_error(undef, "Open git-diff-tree failed");
2613        my @difftree = map { chomp; $_ } <$fd>;
2614        close $fd or die_error(undef, "Reading git-diff-tree failed");
2615
2616        # non-textual hash id's can be cached
2617        my $expires;
2618        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2619                $expires = "+1d";
2620        }
2621        my $refs = git_get_references();
2622        my $ref = format_ref_marker($refs, $co{'id'});
2623        my $formats_nav =
2624                $cgi->a({-href => href(action=>"commitdiff_plain", hash=>$hash, hash_parent=>$hash_parent)},
2625                        "plain");
2626        git_header_html(undef, $expires);
2627        git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
2628        git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
2629        print "<div class=\"page_body\">\n";
2630        git_print_simplified_log($co{'comment'}, 1); # skip title
2631        print "<br/>\n";
2632        foreach my $line (@difftree) {
2633                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2634                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2635                if ($line !~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2636                        next;
2637                }
2638                my $from_mode = $1;
2639                my $to_mode = $2;
2640                my $from_id = $3;
2641                my $to_id = $4;
2642                my $status = $5;
2643                my $file = validate_input(unquote($6));
2644                if ($status eq "A") {
2645                        print "<div class=\"diff_info\">" . file_type($to_mode) . ":" .
2646                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2647                                                     hash=>$to_id, file_name=>$file)},
2648                                      $to_id) . "(new)" .
2649                              "</div>\n";
2650                        git_diff_print(undef, "/dev/null", $to_id, "b/$file");
2651                } elsif ($status eq "D") {
2652                        print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
2653                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2654                                                     hash=>$from_id, file_name=>$file)},
2655                                      $from_id) . "(deleted)" .
2656                              "</div>\n";
2657                        git_diff_print($from_id, "a/$file", undef, "/dev/null");
2658                } elsif ($status eq "M") {
2659                        if ($from_id ne $to_id) {
2660                                print "<div class=\"diff_info\">" .
2661                                      file_type($from_mode) . ":" .
2662                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2663                                                             hash=>$from_id, file_name=>$file)},
2664                                              $from_id) .
2665                                      " -> " .
2666                                      file_type($to_mode) . ":" .
2667                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2668                                                             hash=>$to_id, file_name=>$file)},
2669                                              $to_id);
2670                                print "</div>\n";
2671                                git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
2672                        }
2673                }
2674        }
2675        print "<br/>\n" .
2676              "</div>";
2677        git_footer_html();
2678}
2679
2680sub git_commitdiff_plain {
2681        mkdir($git_temp, 0700);
2682        my %co = parse_commit($hash);
2683        if (!%co) {
2684                die_error(undef, "Unknown commit object");
2685        }
2686        if (!defined $hash_parent) {
2687                $hash_parent = $co{'parent'} || '--root';
2688        }
2689        open my $fd, "-|", $GIT, "diff-tree", '-r', $hash_parent, $hash
2690                or die_error(undef, "Open git-diff-tree failed");
2691        my @difftree = map { chomp; $_ } <$fd>;
2692        close $fd or die_error(undef, "Reading diff-tree failed");
2693
2694        # try to figure out the next tag after this commit
2695        my $tagname;
2696        my $refs = git_get_references("tags");
2697        open $fd, "-|", $GIT, "rev-list", "HEAD";
2698        my @commits = map { chomp; $_ } <$fd>;
2699        close $fd;
2700        foreach my $commit (@commits) {
2701                if (defined $refs->{$commit}) {
2702                        $tagname = $refs->{$commit}
2703                }
2704                if ($commit eq $hash) {
2705                        last;
2706                }
2707        }
2708
2709        print $cgi->header(-type => "text/plain",
2710                           -charset => 'utf-8',
2711                           -content_disposition => "inline; filename=\"git-$hash.patch\"");
2712        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2713        my $comment = $co{'comment'};
2714        print <<TEXT;
2715From: $co{'author'}
2716Date: $ad{'rfc2822'} ($ad{'tz_local'})
2717Subject: $co{'title'}
2718TEXT
2719        if (defined $tagname) {
2720                print "X-Git-Tag: $tagname\n";
2721        }
2722        print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
2723              "\n";
2724
2725        foreach my $line (@$comment) {;
2726                print "$line\n";
2727        }
2728        print "---\n\n";
2729
2730        foreach my $line (@difftree) {
2731                if ($line !~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2732                        next;
2733                }
2734                my $from_id = $3;
2735                my $to_id = $4;
2736                my $status = $5;
2737                my $file = $6;
2738                if ($status eq "A") {
2739                        git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
2740                } elsif ($status eq "D") {
2741                        git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
2742                } elsif ($status eq "M") {
2743                        git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
2744                }
2745        }
2746}
2747
2748sub git_history {
2749        if (!defined $hash_base) {
2750                $hash_base = git_get_head_hash($project);
2751        }
2752        my $ftype;
2753        my %co = parse_commit($hash_base);
2754        if (!%co) {
2755                die_error(undef, "Unknown commit object");
2756        }
2757        my $refs = git_get_references();
2758        git_header_html();
2759        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base);
2760        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2761        if (!defined $hash && defined $file_name) {
2762                $hash = git_get_hash_by_path($hash_base, $file_name);
2763        }
2764        if (defined $hash) {
2765                $ftype = git_get_type($hash);
2766        }
2767        git_print_page_path($file_name, $ftype, $hash_base);
2768
2769        open my $fd, "-|",
2770                $GIT, "rev-list", "--full-history", $hash_base, "--", $file_name;
2771        git_history_body($fd, $refs, $hash_base, $ftype);
2772
2773        close $fd;
2774        git_footer_html();
2775}
2776
2777sub git_search {
2778        if (!defined $searchtext) {
2779                die_error(undef, "Text field empty");
2780        }
2781        if (!defined $hash) {
2782                $hash = git_get_head_hash($project);
2783        }
2784        my %co = parse_commit($hash);
2785        if (!%co) {
2786                die_error(undef, "Unknown commit object");
2787        }
2788        # pickaxe may take all resources of your box and run for several minutes
2789        # with every query - so decide by yourself how public you make this feature :)
2790        my $commit_search = 1;
2791        my $author_search = 0;
2792        my $committer_search = 0;
2793        my $pickaxe_search = 0;
2794        if ($searchtext =~ s/^author\\://i) {
2795                $author_search = 1;
2796        } elsif ($searchtext =~ s/^committer\\://i) {
2797                $committer_search = 1;
2798        } elsif ($searchtext =~ s/^pickaxe\\://i) {
2799                $commit_search = 0;
2800                $pickaxe_search = 1;
2801        }
2802        git_header_html();
2803        git_print_page_nav('','', $hash,$co{'tree'},$hash);
2804        git_print_header_div('commit', esc_html($co{'title'}), $hash);
2805
2806        print "<table cellspacing=\"0\">\n";
2807        my $alternate = 0;
2808        if ($commit_search) {
2809                $/ = "\0";
2810                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", $hash or next;
2811                while (my $commit_text = <$fd>) {
2812                        if (!grep m/$searchtext/i, $commit_text) {
2813                                next;
2814                        }
2815                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2816                                next;
2817                        }
2818                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2819                                next;
2820                        }
2821                        my @commit_lines = split "\n", $commit_text;
2822                        my %co = parse_commit(undef, \@commit_lines);
2823                        if (!%co) {
2824                                next;
2825                        }
2826                        if ($alternate) {
2827                                print "<tr class=\"dark\">\n";
2828                        } else {
2829                                print "<tr class=\"light\">\n";
2830                        }
2831                        $alternate ^= 1;
2832                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2833                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2834                              "<td>" .
2835                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), -class => "list subject"},
2836                                       esc_html(chop_str($co{'title'}, 50)) . "<br/>");
2837                        my $comment = $co{'comment'};
2838                        foreach my $line (@$comment) {
2839                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2840                                        my $lead = esc_html($1) || "";
2841                                        $lead = chop_str($lead, 30, 10);
2842                                        my $match = esc_html($2) || "";
2843                                        my $trail = esc_html($3) || "";
2844                                        $trail = chop_str($trail, 30, 10);
2845                                        my $text = "$lead<span class=\"match\">$match</span>$trail";
2846                                        print chop_str($text, 80, 5) . "<br/>\n";
2847                                }
2848                        }
2849                        print "</td>\n" .
2850                              "<td class=\"link\">" .
2851                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
2852                              " | " .
2853                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
2854                        print "</td>\n" .
2855                              "</tr>\n";
2856                }
2857                close $fd;
2858        }
2859
2860        if ($pickaxe_search) {
2861                $/ = "\n";
2862                open my $fd, "-|", "$GIT rev-list $hash | $GIT diff-tree -r --stdin -S\'$searchtext\'";
2863                undef %co;
2864                my @files;
2865                while (my $line = <$fd>) {
2866                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2867                                my %set;
2868                                $set{'file'} = $6;
2869                                $set{'from_id'} = $3;
2870                                $set{'to_id'} = $4;
2871                                $set{'id'} = $set{'to_id'};
2872                                if ($set{'id'} =~ m/0{40}/) {
2873                                        $set{'id'} = $set{'from_id'};
2874                                }
2875                                if ($set{'id'} =~ m/0{40}/) {
2876                                        next;
2877                                }
2878                                push @files, \%set;
2879                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2880                                if (%co) {
2881                                        if ($alternate) {
2882                                                print "<tr class=\"dark\">\n";
2883                                        } else {
2884                                                print "<tr class=\"light\">\n";
2885                                        }
2886                                        $alternate ^= 1;
2887                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2888                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2889                                              "<td>" .
2890                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
2891                                                      -class => "list subject"},
2892                                                      esc_html(chop_str($co{'title'}, 50)) . "<br/>");
2893                                        while (my $setref = shift @files) {
2894                                                my %set = %$setref;
2895                                                print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
2896                                                                             hash=>$set{'id'}, file_name=>$set{'file'}),
2897                                                              -class => "list"},
2898                                                              "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
2899                                                      "<br/>\n";
2900                                        }
2901                                        print "</td>\n" .
2902                                              "<td class=\"link\">" .
2903                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
2904                                              " | " .
2905                                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
2906                                        print "</td>\n" .
2907                                              "</tr>\n";
2908                                }
2909                                %co = parse_commit($1);
2910                        }
2911                }
2912                close $fd;
2913        }
2914        print "</table>\n";
2915        git_footer_html();
2916}
2917
2918sub git_shortlog {
2919        my $head = git_get_head_hash($project);
2920        if (!defined $hash) {
2921                $hash = $head;
2922        }
2923        if (!defined $page) {
2924                $page = 0;
2925        }
2926        my $refs = git_get_references();
2927
2928        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2929        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
2930                or die_error(undef, "Open git-rev-list failed");
2931        my @revlist = map { chomp; $_ } <$fd>;
2932        close $fd;
2933
2934        my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#revlist);
2935        my $next_link = '';
2936        if ($#revlist >= (100 * ($page+1)-1)) {
2937                $next_link =
2938                        $cgi->a({-href => href(action=>"shortlog", hash=>$hash, page=>$page+1),
2939                                 -title => "Alt-n"}, "next");
2940        }
2941
2942
2943        git_header_html();
2944        git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
2945        git_print_header_div('summary', $project);
2946
2947        git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
2948
2949        git_footer_html();
2950}
2951
2952## ......................................................................
2953## feeds (RSS, OPML)
2954
2955sub git_rss {
2956        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
2957        open my $fd, "-|", $GIT, "rev-list", "--max-count=150", git_get_head_hash($project)
2958                or die_error(undef, "Open git-rev-list failed");
2959        my @revlist = map { chomp; $_ } <$fd>;
2960        close $fd or die_error(undef, "Reading git-rev-list failed");
2961        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
2962        print <<XML;
2963<?xml version="1.0" encoding="utf-8"?>
2964<rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
2965<channel>
2966<title>$project $my_uri $my_url</title>
2967<link>${\esc_html("$my_url?p=$project;a=summary")}</link>
2968<description>$project log</description>
2969<language>en</language>
2970XML
2971
2972        for (my $i = 0; $i <= $#revlist; $i++) {
2973                my $commit = $revlist[$i];
2974                my %co = parse_commit($commit);
2975                # we read 150, we always show 30 and the ones more recent than 48 hours
2976                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
2977                        last;
2978                }
2979                my %cd = parse_date($co{'committer_epoch'});
2980                open $fd, "-|", $GIT, "diff-tree", '-r', $co{'parent'}, $co{'id'} or next;
2981                my @difftree = map { chomp; $_ } <$fd>;
2982                close $fd or next;
2983                print "<item>\n" .
2984                      "<title>" .
2985                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
2986                      "</title>\n" .
2987                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
2988                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
2989                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
2990                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
2991                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
2992                      "<content:encoded>" .
2993                      "<![CDATA[\n";
2994                my $comment = $co{'comment'};
2995                foreach my $line (@$comment) {
2996                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
2997                        print "$line<br/>\n";
2998                }
2999                print "<br/>\n";
3000                foreach my $line (@difftree) {
3001                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
3002                                next;
3003                        }
3004                        my $file = validate_input(unquote($7));
3005                        $file = decode("utf8", $file, Encode::FB_DEFAULT);
3006                        print "$file<br/>\n";
3007                }
3008                print "]]>\n" .
3009                      "</content:encoded>\n" .
3010                      "</item>\n";
3011        }
3012        print "</channel></rss>";
3013}
3014
3015sub git_opml {
3016        my @list = git_get_projects_list();
3017
3018        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3019        print <<XML;
3020<?xml version="1.0" encoding="utf-8"?>
3021<opml version="1.0">
3022<head>
3023  <title>$site_name Git OPML Export</title>
3024</head>
3025<body>
3026<outline text="git RSS feeds">
3027XML
3028
3029        foreach my $pr (@list) {
3030                my %proj = %$pr;
3031                my $head = git_get_head_hash($proj{'path'});
3032                if (!defined $head) {
3033                        next;
3034                }
3035                $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
3036                my %co = parse_commit($head);
3037                if (!%co) {
3038                        next;
3039                }
3040
3041                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
3042                my $rss  = "$my_url?p=$proj{'path'};a=rss";
3043                my $html = "$my_url?p=$proj{'path'};a=summary";
3044                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
3045        }
3046        print <<XML;
3047</outline>
3048</body>
3049</opml>
3050XML
3051}