Andrew's git / gitweb.git / gitweb/gitweb.perl
?
gitweb / gitweb.perlon commit gitweb: Route rest of action subroutines through %actions (77a153f)
   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 %mapping = (
 271                action => "a",
 272                project => "p",
 273                file_name => "f",
 274                file_parent => "fp",
 275                hash => "h",
 276                hash_parent => "hp",
 277                hash_base => "hb",
 278                page => "pg",
 279                searchtext => "s",
 280        );
 281
 282        my %params = @_;
 283        $params{"project"} ||= $project;
 284
 285        my $href = "$my_uri?";
 286        $href .= esc_param( join(";",
 287                map {
 288                        "$mapping{$_}=$params{$_}" if defined $params{$_}
 289                } keys %params
 290        ) );
 291
 292        return $href;
 293}
 294
 295
 296## ======================================================================
 297## validation, quoting/unquoting and escaping
 298
 299sub validate_input {
 300        my $input = shift;
 301
 302        if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 303                return $input;
 304        }
 305        if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 306                return undef;
 307        }
 308        if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
 309                return undef;
 310        }
 311        return $input;
 312}
 313
 314# quote unsafe chars, but keep the slash, even when it's not
 315# correct, but quoted slashes look too horrible in bookmarks
 316sub esc_param {
 317        my $str = shift;
 318        $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 319        $str =~ s/\+/%2B/g;
 320        $str =~ s/ /\+/g;
 321        return $str;
 322}
 323
 324# replace invalid utf8 character with SUBSTITUTION sequence
 325sub esc_html {
 326        my $str = shift;
 327        $str = decode("utf8", $str, Encode::FB_DEFAULT);
 328        $str = escapeHTML($str);
 329        $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
 330        return $str;
 331}
 332
 333# git may return quoted and escaped filenames
 334sub unquote {
 335        my $str = shift;
 336        if ($str =~ m/^"(.*)"$/) {
 337                $str = $1;
 338                $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 339        }
 340        return $str;
 341}
 342
 343# escape tabs (convert tabs to spaces)
 344sub untabify {
 345        my $line = shift;
 346
 347        while ((my $pos = index($line, "\t")) != -1) {
 348                if (my $count = (8 - ($pos % 8))) {
 349                        my $spaces = ' ' x $count;
 350                        $line =~ s/\t/$spaces/;
 351                }
 352        }
 353
 354        return $line;
 355}
 356
 357## ----------------------------------------------------------------------
 358## HTML aware string manipulation
 359
 360sub chop_str {
 361        my $str = shift;
 362        my $len = shift;
 363        my $add_len = shift || 10;
 364
 365        # allow only $len chars, but don't cut a word if it would fit in $add_len
 366        # if it doesn't fit, cut it if it's still longer than the dots we would add
 367        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 368        my $body = $1;
 369        my $tail = $2;
 370        if (length($tail) > 4) {
 371                $tail = " ...";
 372                $body =~ s/&[^;]*$//; # remove chopped character entities
 373        }
 374        return "$body$tail";
 375}
 376
 377## ----------------------------------------------------------------------
 378## functions returning short strings
 379
 380# CSS class for given age value (in seconds)
 381sub age_class {
 382        my $age = shift;
 383
 384        if ($age < 60*60*2) {
 385                return "age0";
 386        } elsif ($age < 60*60*24*2) {
 387                return "age1";
 388        } else {
 389                return "age2";
 390        }
 391}
 392
 393# convert age in seconds to "nn units ago" string
 394sub age_string {
 395        my $age = shift;
 396        my $age_str;
 397
 398        if ($age > 60*60*24*365*2) {
 399                $age_str = (int $age/60/60/24/365);
 400                $age_str .= " years ago";
 401        } elsif ($age > 60*60*24*(365/12)*2) {
 402                $age_str = int $age/60/60/24/(365/12);
 403                $age_str .= " months ago";
 404        } elsif ($age > 60*60*24*7*2) {
 405                $age_str = int $age/60/60/24/7;
 406                $age_str .= " weeks ago";
 407        } elsif ($age > 60*60*24*2) {
 408                $age_str = int $age/60/60/24;
 409                $age_str .= " days ago";
 410        } elsif ($age > 60*60*2) {
 411                $age_str = int $age/60/60;
 412                $age_str .= " hours ago";
 413        } elsif ($age > 60*2) {
 414                $age_str = int $age/60;
 415                $age_str .= " min ago";
 416        } elsif ($age > 2) {
 417                $age_str = int $age;
 418                $age_str .= " sec ago";
 419        } else {
 420                $age_str .= " right now";
 421        }
 422        return $age_str;
 423}
 424
 425# convert file mode in octal to symbolic file mode string
 426sub mode_str {
 427        my $mode = oct shift;
 428
 429        if (S_ISDIR($mode & S_IFMT)) {
 430                return 'drwxr-xr-x';
 431        } elsif (S_ISLNK($mode)) {
 432                return 'lrwxrwxrwx';
 433        } elsif (S_ISREG($mode)) {
 434                # git cares only about the executable bit
 435                if ($mode & S_IXUSR) {
 436                        return '-rwxr-xr-x';
 437                } else {
 438                        return '-rw-r--r--';
 439                };
 440        } else {
 441                return '----------';
 442        }
 443}
 444
 445# convert file mode in octal to file type string
 446sub file_type {
 447        my $mode = oct shift;
 448
 449        if (S_ISDIR($mode & S_IFMT)) {
 450                return "directory";
 451        } elsif (S_ISLNK($mode)) {
 452                return "symlink";
 453        } elsif (S_ISREG($mode)) {
 454                return "file";
 455        } else {
 456                return "unknown";
 457        }
 458}
 459
 460## ----------------------------------------------------------------------
 461## functions returning short HTML fragments, or transforming HTML fragments
 462## which don't beling to other sections
 463
 464# format line of commit message or tag comment
 465sub format_log_line_html {
 466        my $line = shift;
 467
 468        $line = esc_html($line);
 469        $line =~ s/ /&nbsp;/g;
 470        if ($line =~ m/([0-9a-fA-F]{40})/) {
 471                my $hash_text = $1;
 472                if (git_get_type($hash_text) eq "commit") {
 473                        my $link =
 474                                $cgi->a({-href => href(action=>"commit", hash=>$hash_text),
 475                                        -class => "text"}, $hash_text);
 476                        $line =~ s/$hash_text/$link/;
 477                }
 478        }
 479        return $line;
 480}
 481
 482# format marker of refs pointing to given object
 483sub format_ref_marker {
 484        my ($refs, $id) = @_;
 485        my $markers = '';
 486
 487        if (defined $refs->{$id}) {
 488                foreach my $ref (@{$refs->{$id}}) {
 489                        my ($type, $name) = qw();
 490                        # e.g. tags/v2.6.11 or heads/next
 491                        if ($ref =~ m!^(.*?)s?/(.*)$!) {
 492                                $type = $1;
 493                                $name = $2;
 494                        } else {
 495                                $type = "ref";
 496                                $name = $ref;
 497                        }
 498
 499                        $markers .= " <span class=\"$type\">" . esc_html($name) . "</span>";
 500                }
 501        }
 502
 503        if ($markers) {
 504                return ' <span class="refs">'. $markers . '</span>';
 505        } else {
 506                return "";
 507        }
 508}
 509
 510# format, perhaps shortened and with markers, title line
 511sub format_subject_html {
 512        my ($long, $short, $href, $extra) = @_;
 513        $extra = '' unless defined($extra);
 514
 515        if (length($short) < length($long)) {
 516                return $cgi->a({-href => $href, -class => "list subject",
 517                                -title => $long},
 518                       esc_html($short) . $extra);
 519        } else {
 520                return $cgi->a({-href => $href, -class => "list subject"},
 521                       esc_html($long)  . $extra);
 522        }
 523}
 524
 525## ----------------------------------------------------------------------
 526## git utility subroutines, invoking git commands
 527
 528# get HEAD ref of given project as hash
 529sub git_get_head_hash {
 530        my $project = shift;
 531        my $oENV = $ENV{'GIT_DIR'};
 532        my $retval = undef;
 533        $ENV{'GIT_DIR'} = "$projectroot/$project";
 534        if (open my $fd, "-|", $GIT, "rev-parse", "--verify", "HEAD") {
 535                my $head = <$fd>;
 536                close $fd;
 537                if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 538                        $retval = $1;
 539                }
 540        }
 541        if (defined $oENV) {
 542                $ENV{'GIT_DIR'} = $oENV;
 543        }
 544        return $retval;
 545}
 546
 547# get type of given object
 548sub git_get_type {
 549        my $hash = shift;
 550
 551        open my $fd, "-|", $GIT, "cat-file", '-t', $hash or return;
 552        my $type = <$fd>;
 553        close $fd or return;
 554        chomp $type;
 555        return $type;
 556}
 557
 558sub git_get_project_config {
 559        my ($key, $type) = @_;
 560
 561        return unless ($key);
 562        $key =~ s/^gitweb\.//;
 563        return if ($key =~ m/\W/);
 564
 565        my @x = ($GIT, 'repo-config');
 566        if (defined $type) { push @x, $type; }
 567        push @x, "--get";
 568        push @x, "gitweb.$key";
 569        my $val = qx(@x);
 570        chomp $val;
 571        return ($val);
 572}
 573
 574# get hash of given path at given ref
 575sub git_get_hash_by_path {
 576        my $base = shift;
 577        my $path = shift || return undef;
 578
 579        my $tree = $base;
 580
 581        open my $fd, "-|", $GIT, "ls-tree", $base, "--", $path
 582                or die_error(undef, "Open git-ls-tree failed");
 583        my $line = <$fd>;
 584        close $fd or return undef;
 585
 586        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
 587        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
 588        return $3;
 589}
 590
 591## ......................................................................
 592## git utility functions, directly accessing git repository
 593
 594# assumes that PATH is not symref
 595sub git_get_hash_by_ref {
 596        my $path = shift;
 597
 598        open my $fd, "$projectroot/$path" or return undef;
 599        my $head = <$fd>;
 600        close $fd;
 601        chomp $head;
 602        if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 603                return $head;
 604        }
 605}
 606
 607sub git_get_project_description {
 608        my $path = shift;
 609
 610        open my $fd, "$projectroot/$path/description" or return undef;
 611        my $descr = <$fd>;
 612        close $fd;
 613        chomp $descr;
 614        return $descr;
 615}
 616
 617sub git_get_project_url_list {
 618        my $path = shift;
 619
 620        open my $fd, "$projectroot/$path/cloneurl" or return undef;
 621        my @git_project_url_list = map { chomp; $_ } <$fd>;
 622        close $fd;
 623
 624        return wantarray ? @git_project_url_list : \@git_project_url_list;
 625}
 626
 627sub git_get_projects_list {
 628        my @list;
 629
 630        if (-d $projects_list) {
 631                # search in directory
 632                my $dir = $projects_list;
 633                opendir my ($dh), $dir or return undef;
 634                while (my $dir = readdir($dh)) {
 635                        if (-e "$projectroot/$dir/HEAD") {
 636                                my $pr = {
 637                                        path => $dir,
 638                                };
 639                                push @list, $pr
 640                        }
 641                }
 642                closedir($dh);
 643        } elsif (-f $projects_list) {
 644                # read from file(url-encoded):
 645                # 'git%2Fgit.git Linus+Torvalds'
 646                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 647                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 648                open my ($fd), $projects_list or return undef;
 649                while (my $line = <$fd>) {
 650                        chomp $line;
 651                        my ($path, $owner) = split ' ', $line;
 652                        $path = unescape($path);
 653                        $owner = unescape($owner);
 654                        if (!defined $path) {
 655                                next;
 656                        }
 657                        if (-e "$projectroot/$path/HEAD") {
 658                                my $pr = {
 659                                        path => $path,
 660                                        owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 661                                };
 662                                push @list, $pr
 663                        }
 664                }
 665                close $fd;
 666        }
 667        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 668        return @list;
 669}
 670
 671sub git_get_project_owner {
 672        my $project = shift;
 673        my $owner;
 674
 675        return undef unless $project;
 676
 677        # read from file (url-encoded):
 678        # 'git%2Fgit.git Linus+Torvalds'
 679        # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 680        # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 681        if (-f $projects_list) {
 682                open (my $fd , $projects_list);
 683                while (my $line = <$fd>) {
 684                        chomp $line;
 685                        my ($pr, $ow) = split ' ', $line;
 686                        $pr = unescape($pr);
 687                        $ow = unescape($ow);
 688                        if ($pr eq $project) {
 689                                $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
 690                                last;
 691                        }
 692                }
 693                close $fd;
 694        }
 695        if (!defined $owner) {
 696                $owner = get_file_owner("$projectroot/$project");
 697        }
 698
 699        return $owner;
 700}
 701
 702sub git_get_references {
 703        my $type = shift || "";
 704        my %refs;
 705        my $fd;
 706        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 707        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 708        if (-f "$projectroot/$project/info/refs") {
 709                open $fd, "$projectroot/$project/info/refs"
 710                        or return;
 711        } else {
 712                open $fd, "-|", $GIT, "ls-remote", "."
 713                        or return;
 714        }
 715
 716        while (my $line = <$fd>) {
 717                chomp $line;
 718                if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?[^\^]+)/) {
 719                        if (defined $refs{$1}) {
 720                                push @{$refs{$1}}, $2;
 721                        } else {
 722                                $refs{$1} = [ $2 ];
 723                        }
 724                }
 725        }
 726        close $fd or return;
 727        return \%refs;
 728}
 729
 730## ----------------------------------------------------------------------
 731## parse to hash functions
 732
 733sub parse_date {
 734        my $epoch = shift;
 735        my $tz = shift || "-0000";
 736
 737        my %date;
 738        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 739        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 740        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 741        $date{'hour'} = $hour;
 742        $date{'minute'} = $min;
 743        $date{'mday'} = $mday;
 744        $date{'day'} = $days[$wday];
 745        $date{'month'} = $months[$mon];
 746        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
 747                           $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 748        $date{'mday-time'} = sprintf "%d %s %02d:%02d",
 749                             $mday, $months[$mon], $hour ,$min;
 750
 751        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 752        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 753        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 754        $date{'hour_local'} = $hour;
 755        $date{'minute_local'} = $min;
 756        $date{'tz_local'} = $tz;
 757        return %date;
 758}
 759
 760sub parse_tag {
 761        my $tag_id = shift;
 762        my %tag;
 763        my @comment;
 764
 765        open my $fd, "-|", $GIT, "cat-file", "tag", $tag_id or return;
 766        $tag{'id'} = $tag_id;
 767        while (my $line = <$fd>) {
 768                chomp $line;
 769                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 770                        $tag{'object'} = $1;
 771                } elsif ($line =~ m/^type (.+)$/) {
 772                        $tag{'type'} = $1;
 773                } elsif ($line =~ m/^tag (.+)$/) {
 774                        $tag{'name'} = $1;
 775                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 776                        $tag{'author'} = $1;
 777                        $tag{'epoch'} = $2;
 778                        $tag{'tz'} = $3;
 779                } elsif ($line =~ m/--BEGIN/) {
 780                        push @comment, $line;
 781                        last;
 782                } elsif ($line eq "") {
 783                        last;
 784                }
 785        }
 786        push @comment, <$fd>;
 787        $tag{'comment'} = \@comment;
 788        close $fd or return;
 789        if (!defined $tag{'name'}) {
 790                return
 791        };
 792        return %tag
 793}
 794
 795sub parse_commit {
 796        my $commit_id = shift;
 797        my $commit_text = shift;
 798
 799        my @commit_lines;
 800        my %co;
 801
 802        if (defined $commit_text) {
 803                @commit_lines = @$commit_text;
 804        } else {
 805                $/ = "\0";
 806                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", "--max-count=1", $commit_id
 807                        or return;
 808                @commit_lines = split '\n', <$fd>;
 809                close $fd or return;
 810                $/ = "\n";
 811                pop @commit_lines;
 812        }
 813        my $header = shift @commit_lines;
 814        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 815                return;
 816        }
 817        ($co{'id'}, my @parents) = split ' ', $header;
 818        $co{'parents'} = \@parents;
 819        $co{'parent'} = $parents[0];
 820        while (my $line = shift @commit_lines) {
 821                last if $line eq "\n";
 822                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 823                        $co{'tree'} = $1;
 824                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 825                        $co{'author'} = $1;
 826                        $co{'author_epoch'} = $2;
 827                        $co{'author_tz'} = $3;
 828                        if ($co{'author'} =~ m/^([^<]+) </) {
 829                                $co{'author_name'} = $1;
 830                        } else {
 831                                $co{'author_name'} = $co{'author'};
 832                        }
 833                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 834                        $co{'committer'} = $1;
 835                        $co{'committer_epoch'} = $2;
 836                        $co{'committer_tz'} = $3;
 837                        $co{'committer_name'} = $co{'committer'};
 838                        $co{'committer_name'} =~ s/ <.*//;
 839                }
 840        }
 841        if (!defined $co{'tree'}) {
 842                return;
 843        };
 844
 845        foreach my $title (@commit_lines) {
 846                $title =~ s/^    //;
 847                if ($title ne "") {
 848                        $co{'title'} = chop_str($title, 80, 5);
 849                        # remove leading stuff of merges to make the interesting part visible
 850                        if (length($title) > 50) {
 851                                $title =~ s/^Automatic //;
 852                                $title =~ s/^merge (of|with) /Merge ... /i;
 853                                if (length($title) > 50) {
 854                                        $title =~ s/(http|rsync):\/\///;
 855                                }
 856                                if (length($title) > 50) {
 857                                        $title =~ s/(master|www|rsync)\.//;
 858                                }
 859                                if (length($title) > 50) {
 860                                        $title =~ s/kernel.org:?//;
 861                                }
 862                                if (length($title) > 50) {
 863                                        $title =~ s/\/pub\/scm//;
 864                                }
 865                        }
 866                        $co{'title_short'} = chop_str($title, 50, 5);
 867                        last;
 868                }
 869        }
 870        # remove added spaces
 871        foreach my $line (@commit_lines) {
 872                $line =~ s/^    //;
 873        }
 874        $co{'comment'} = \@commit_lines;
 875
 876        my $age = time - $co{'committer_epoch'};
 877        $co{'age'} = $age;
 878        $co{'age_string'} = age_string($age);
 879        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 880        if ($age > 60*60*24*7*2) {
 881                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 882                $co{'age_string_age'} = $co{'age_string'};
 883        } else {
 884                $co{'age_string_date'} = $co{'age_string'};
 885                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 886        }
 887        return %co;
 888}
 889
 890# parse ref from ref_file, given by ref_id, with given type
 891sub parse_ref {
 892        my $ref_file = shift;
 893        my $ref_id = shift;
 894        my $type = shift || git_get_type($ref_id);
 895        my %ref_item;
 896
 897        $ref_item{'type'} = $type;
 898        $ref_item{'id'} = $ref_id;
 899        $ref_item{'epoch'} = 0;
 900        $ref_item{'age'} = "unknown";
 901        if ($type eq "tag") {
 902                my %tag = parse_tag($ref_id);
 903                $ref_item{'comment'} = $tag{'comment'};
 904                if ($tag{'type'} eq "commit") {
 905                        my %co = parse_commit($tag{'object'});
 906                        $ref_item{'epoch'} = $co{'committer_epoch'};
 907                        $ref_item{'age'} = $co{'age_string'};
 908                } elsif (defined($tag{'epoch'})) {
 909                        my $age = time - $tag{'epoch'};
 910                        $ref_item{'epoch'} = $tag{'epoch'};
 911                        $ref_item{'age'} = age_string($age);
 912                }
 913                $ref_item{'reftype'} = $tag{'type'};
 914                $ref_item{'name'} = $tag{'name'};
 915                $ref_item{'refid'} = $tag{'object'};
 916        } elsif ($type eq "commit"){
 917                my %co = parse_commit($ref_id);
 918                $ref_item{'reftype'} = "commit";
 919                $ref_item{'name'} = $ref_file;
 920                $ref_item{'title'} = $co{'title'};
 921                $ref_item{'refid'} = $ref_id;
 922                $ref_item{'epoch'} = $co{'committer_epoch'};
 923                $ref_item{'age'} = $co{'age_string'};
 924        } else {
 925                $ref_item{'reftype'} = $type;
 926                $ref_item{'name'} = $ref_file;
 927                $ref_item{'refid'} = $ref_id;
 928        }
 929
 930        return %ref_item;
 931}
 932
 933# parse line of git-diff-tree "raw" output
 934sub parse_difftree_raw_line {
 935        my $line = shift;
 936        my %res;
 937
 938        # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M   ls-files.c'
 939        # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M   rev-tree.c'
 940        if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
 941                $res{'from_mode'} = $1;
 942                $res{'to_mode'} = $2;
 943                $res{'from_id'} = $3;
 944                $res{'to_id'} = $4;
 945                $res{'status'} = $5;
 946                $res{'similarity'} = $6;
 947                if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
 948                        ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
 949                } else {
 950                        $res{'file'} = unquote($7);
 951                }
 952        }
 953        # 'c512b523472485aef4fff9e57b229d9d243c967f'
 954        #elsif ($line =~ m/^([0-9a-fA-F]{40})$/) {
 955        #       $res{'commit'} = $1;
 956        #}
 957
 958        return wantarray ? %res : \%res;
 959}
 960
 961## ......................................................................
 962## parse to array of hashes functions
 963
 964sub git_get_refs_list {
 965        my $ref_dir = shift;
 966        my @reflist;
 967
 968        my @refs;
 969        my $pfxlen = length("$projectroot/$project/$ref_dir");
 970        File::Find::find(sub {
 971                return if (/^\./);
 972                if (-f $_) {
 973                        push @refs, substr($File::Find::name, $pfxlen + 1);
 974                }
 975        }, "$projectroot/$project/$ref_dir");
 976
 977        foreach my $ref_file (@refs) {
 978                my $ref_id = git_get_hash_by_ref("$project/$ref_dir/$ref_file");
 979                my $type = git_get_type($ref_id) || next;
 980                my %ref_item = parse_ref($ref_file, $ref_id, $type);
 981
 982                push @reflist, \%ref_item;
 983        }
 984        # sort refs by age
 985        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
 986        return \@reflist;
 987}
 988
 989## ----------------------------------------------------------------------
 990## filesystem-related functions
 991
 992sub get_file_owner {
 993        my $path = shift;
 994
 995        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 996        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 997        if (!defined $gcos) {
 998                return undef;
 999        }
1000        my $owner = $gcos;
1001        $owner =~ s/[,;].*$//;
1002        return decode("utf8", $owner, Encode::FB_DEFAULT);
1003}
1004
1005## ......................................................................
1006## mimetype related functions
1007
1008sub mimetype_guess_file {
1009        my $filename = shift;
1010        my $mimemap = shift;
1011        -r $mimemap or return undef;
1012
1013        my %mimemap;
1014        open(MIME, $mimemap) or return undef;
1015        while (<MIME>) {
1016                next if m/^#/; # skip comments
1017                my ($mime, $exts) = split(/\t+/);
1018                if (defined $exts) {
1019                        my @exts = split(/\s+/, $exts);
1020                        foreach my $ext (@exts) {
1021                                $mimemap{$ext} = $mime;
1022                        }
1023                }
1024        }
1025        close(MIME);
1026
1027        $filename =~ /\.(.*?)$/;
1028        return $mimemap{$1};
1029}
1030
1031sub mimetype_guess {
1032        my $filename = shift;
1033        my $mime;
1034        $filename =~ /\./ or return undef;
1035
1036        if ($mimetypes_file) {
1037                my $file = $mimetypes_file;
1038                if ($file !~ m!^/!) { # if it is relative path
1039                        # it is relative to project
1040                        $file = "$projectroot/$project/$file";
1041                }
1042                $mime = mimetype_guess_file($filename, $file);
1043        }
1044        $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1045        return $mime;
1046}
1047
1048sub blob_mimetype {
1049        my $fd = shift;
1050        my $filename = shift;
1051
1052        if ($filename) {
1053                my $mime = mimetype_guess($filename);
1054                $mime and return $mime;
1055        }
1056
1057        # just in case
1058        return $default_blob_plain_mimetype unless $fd;
1059
1060        if (-T $fd) {
1061                return 'text/plain' .
1062                       ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1063        } elsif (! $filename) {
1064                return 'application/octet-stream';
1065        } elsif ($filename =~ m/\.png$/i) {
1066                return 'image/png';
1067        } elsif ($filename =~ m/\.gif$/i) {
1068                return 'image/gif';
1069        } elsif ($filename =~ m/\.jpe?g$/i) {
1070                return 'image/jpeg';
1071        } else {
1072                return 'application/octet-stream';
1073        }
1074}
1075
1076## ======================================================================
1077## functions printing HTML: header, footer, error page
1078
1079sub git_header_html {
1080        my $status = shift || "200 OK";
1081        my $expires = shift;
1082
1083        my $title = "$site_name git";
1084        if (defined $project) {
1085                $title .= " - $project";
1086                if (defined $action) {
1087                        $title .= "/$action";
1088                        if (defined $file_name) {
1089                                $title .= " - $file_name";
1090                                if ($action eq "tree" && $file_name !~ m|/$|) {
1091                                        $title .= "/";
1092                                }
1093                        }
1094                }
1095        }
1096        my $content_type;
1097        # require explicit support from the UA if we are to send the page as
1098        # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
1099        # we have to do this because MSIE sometimes globs '*/*', pretending to
1100        # support xhtml+xml but choking when it gets what it asked for.
1101        if (defined $cgi->http('HTTP_ACCEPT') &&
1102            $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ &&
1103            $cgi->Accept('application/xhtml+xml') != 0) {
1104                $content_type = 'application/xhtml+xml';
1105        } else {
1106                $content_type = 'text/html';
1107        }
1108        print $cgi->header(-type=>$content_type, -charset => 'utf-8',
1109                           -status=> $status, -expires => $expires);
1110        print <<EOF;
1111<?xml version="1.0" encoding="utf-8"?>
1112<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
1113<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
1114<!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
1115<!-- git core binaries version $git_version -->
1116<head>
1117<meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
1118<meta name="generator" content="gitweb/$version git/$git_version"/>
1119<meta name="robots" content="index, nofollow"/>
1120<title>$title</title>
1121<link rel="stylesheet" type="text/css" href="$stylesheet"/>
1122EOF
1123        if (defined $project) {
1124                printf('<link rel="alternate" title="%s log" '.
1125                       'href="%s" type="application/rss+xml"/>'."\n",
1126                       esc_param($project), href(action=>"rss"));
1127        }
1128
1129        print "</head>\n" .
1130              "<body>\n" .
1131              "<div class=\"page_header\">\n" .
1132              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
1133              "<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
1134              "</a>\n";
1135        print $cgi->a({-href => esc_param($home_link)}, $home_link_str) . " / ";
1136        if (defined $project) {
1137                print $cgi->a({-href => href(action=>"summary")}, esc_html($project));
1138                if (defined $action) {
1139                        print " / $action";
1140                }
1141                print "\n";
1142                if (!defined $searchtext) {
1143                        $searchtext = "";
1144                }
1145                my $search_hash;
1146                if (defined $hash_base) {
1147                        $search_hash = $hash_base;
1148                } elsif (defined $hash) {
1149                        $search_hash = $hash;
1150                } else {
1151                        $search_hash = "HEAD";
1152                }
1153                $cgi->param("a", "search");
1154                $cgi->param("h", $search_hash);
1155                print $cgi->startform(-method => "get", -action => $my_uri) .
1156                      "<div class=\"search\">\n" .
1157                      $cgi->hidden(-name => "p") . "\n" .
1158                      $cgi->hidden(-name => "a") . "\n" .
1159                      $cgi->hidden(-name => "h") . "\n" .
1160                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
1161                      "</div>" .
1162                      $cgi->end_form() . "\n";
1163        }
1164        print "</div>\n";
1165}
1166
1167sub git_footer_html {
1168        print "<div class=\"page_footer\">\n";
1169        if (defined $project) {
1170                my $descr = git_get_project_description($project);
1171                if (defined $descr) {
1172                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
1173                }
1174                print $cgi->a({-href => href(action=>"rss"), -class => "rss_logo"}, "RSS") . "\n";
1175        } else {
1176                print $cgi->a({-href => href(action=>"opml"), -class => "rss_logo"}, "OPML") . "\n";
1177        }
1178        print "</div>\n" .
1179              "</body>\n" .
1180              "</html>";
1181}
1182
1183sub die_error {
1184        my $status = shift || "403 Forbidden";
1185        my $error = shift || "Malformed query, file missing or permission denied";
1186
1187        git_header_html($status);
1188        print "<div class=\"page_body\">\n" .
1189              "<br/><br/>\n" .
1190              "$status - $error\n" .
1191              "<br/>\n" .
1192              "</div>\n";
1193        git_footer_html();
1194        exit;
1195}
1196
1197## ----------------------------------------------------------------------
1198## functions printing or outputting HTML: navigation
1199
1200sub git_print_page_nav {
1201        my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
1202        $extra = '' if !defined $extra; # pager or formats
1203
1204        my @navs = qw(summary shortlog log commit commitdiff tree);
1205        if ($suppress) {
1206                @navs = grep { $_ ne $suppress } @navs;
1207        }
1208
1209        my %arg = map { $_ => {action=>$_} } @navs;
1210        if (defined $head) {
1211                for (qw(commit commitdiff)) {
1212                        $arg{$_}{hash} = $head;
1213                }
1214                if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
1215                        for (qw(shortlog log)) {
1216                                $arg{$_}{hash} = $head;
1217                        }
1218                }
1219        }
1220        $arg{tree}{hash} = $treehead if defined $treehead;
1221        $arg{tree}{hash_base} = $treebase if defined $treebase;
1222
1223        print "<div class=\"page_nav\">\n" .
1224                (join " | ",
1225                 map { $_ eq $current ?
1226                       $_ : $cgi->a({-href => href(%{$arg{$_}})}, "$_")
1227                 } @navs);
1228        print "<br/>\n$extra<br/>\n" .
1229              "</div>\n";
1230}
1231
1232sub format_paging_nav {
1233        my ($action, $hash, $head, $page, $nrevs) = @_;
1234        my $paging_nav;
1235
1236
1237        if ($hash ne $head || $page) {
1238                $paging_nav .= $cgi->a({-href => href(action=>$action)}, "HEAD");
1239        } else {
1240                $paging_nav .= "HEAD";
1241        }
1242
1243        if ($page > 0) {
1244                $paging_nav .= " &sdot; " .
1245                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page-1),
1246                                 -accesskey => "p", -title => "Alt-p"}, "prev");
1247        } else {
1248                $paging_nav .= " &sdot; prev";
1249        }
1250
1251        if ($nrevs >= (100 * ($page+1)-1)) {
1252                $paging_nav .= " &sdot; " .
1253                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page+1),
1254                                 -accesskey => "n", -title => "Alt-n"}, "next");
1255        } else {
1256                $paging_nav .= " &sdot; next";
1257        }
1258
1259        return $paging_nav;
1260}
1261
1262## ......................................................................
1263## functions printing or outputting HTML: div
1264
1265sub git_print_header_div {
1266        my ($action, $title, $hash, $hash_base) = @_;
1267        my %args = ();
1268
1269        $args{action} = $action;
1270        $args{hash} = $hash if $hash;
1271        $args{hash_base} = $hash_base if $hash_base;
1272
1273        print "<div class=\"header\">\n" .
1274              $cgi->a({-href => href(%args), -class => "title"},
1275              $title ? $title : $action) .
1276              "\n</div>\n";
1277}
1278
1279sub git_print_page_path {
1280        my $name = shift;
1281        my $type = shift;
1282        my $hb = shift;
1283
1284        if (!defined $name) {
1285                print "<div class=\"page_path\">/</div>\n";
1286        } elsif (defined $type && $type eq 'blob') {
1287                print "<div class=\"page_path\">";
1288                if (defined $hb) {
1289                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
1290                                                     hash_base=>$hb)},
1291                                      esc_html($name));
1292                } else {
1293                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name)},
1294                                      esc_html($name));
1295                }
1296                print "<br/></div>\n";
1297        } else {
1298                print "<div class=\"page_path\">" . esc_html($name) . "<br/></div>\n";
1299        }
1300}
1301
1302sub git_print_log {
1303        my $log = shift;
1304
1305        # remove leading empty lines
1306        while (defined $log->[0] && $log->[0] eq "") {
1307                shift @$log;
1308        }
1309
1310        # print log
1311        my $signoff = 0;
1312        my $empty = 0;
1313        foreach my $line (@$log) {
1314                # print only one empty line
1315                # do not print empty line after signoff
1316                if ($line eq "") {
1317                        next if ($empty || $signoff);
1318                        $empty = 1;
1319                } else {
1320                        $empty = 0;
1321                }
1322                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1323                        $signoff = 1;
1324                        print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1325                } else {
1326                        $signoff = 0;
1327                        print format_log_line_html($line) . "<br/>\n";
1328                }
1329        }
1330}
1331
1332sub git_print_simplified_log {
1333        my $log = shift;
1334        my $remove_title = shift;
1335
1336        shift @$log if $remove_title;
1337        # remove leading empty lines
1338        while (defined $log->[0] && $log->[0] eq "") {
1339                shift @$log;
1340        }
1341
1342        # simplify and print log
1343        my $empty = 0;
1344        foreach my $line (@$log) {
1345                # remove signoff lines
1346                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1347                        next;
1348                }
1349                # print only one empty line
1350                if ($line eq "") {
1351                        next if $empty;
1352                        $empty = 1;
1353                } else {
1354                        $empty = 0;
1355                }
1356                print format_log_line_html($line) . "<br/>\n";
1357        }
1358        # end with single empty line
1359        print "<br/>\n" unless $empty;
1360}
1361
1362## ......................................................................
1363## functions printing large fragments of HTML
1364
1365sub git_difftree_body {
1366        my ($difftree, $parent) = @_;
1367
1368        print "<div class=\"list_head\">\n";
1369        if ($#{$difftree} > 10) {
1370                print(($#{$difftree} + 1) . " files changed:\n");
1371        }
1372        print "</div>\n";
1373
1374        print "<table class=\"diff_tree\">\n";
1375        my $alternate = 0;
1376        foreach my $line (@{$difftree}) {
1377                my %diff = parse_difftree_raw_line($line);
1378
1379                if ($alternate) {
1380                        print "<tr class=\"dark\">\n";
1381                } else {
1382                        print "<tr class=\"light\">\n";
1383                }
1384                $alternate ^= 1;
1385
1386                my ($to_mode_oct, $to_mode_str, $to_file_type);
1387                my ($from_mode_oct, $from_mode_str, $from_file_type);
1388                if ($diff{'to_mode'} ne ('0' x 6)) {
1389                        $to_mode_oct = oct $diff{'to_mode'};
1390                        if (S_ISREG($to_mode_oct)) { # only for regular file
1391                                $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
1392                        }
1393                        $to_file_type = file_type($diff{'to_mode'});
1394                }
1395                if ($diff{'from_mode'} ne ('0' x 6)) {
1396                        $from_mode_oct = oct $diff{'from_mode'};
1397                        if (S_ISREG($to_mode_oct)) { # only for regular file
1398                                $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
1399                        }
1400                        $from_file_type = file_type($diff{'from_mode'});
1401                }
1402
1403                if ($diff{'status'} eq "A") { # created
1404                        my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
1405                        $mode_chng   .= " with mode: $to_mode_str" if $to_mode_str;
1406                        $mode_chng   .= "]</span>";
1407                        print "<td>" .
1408                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1409                                                     hash_base=>$hash, file_name=>$diff{'file'}),
1410                                      -class => "list"}, esc_html($diff{'file'})) .
1411                              "</td>\n" .
1412                              "<td>$mode_chng</td>\n" .
1413                              "<td class=\"link\">" .
1414                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1415                                                     hash_base=>$hash, file_name=>$diff{'file'})},
1416                                      "blob") .
1417                              "</td>\n";
1418
1419                } elsif ($diff{'status'} eq "D") { # deleted
1420                        my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
1421                        print "<td>" .
1422                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1423                                                     hash_base=>$parent, file_name=>$diff{'file'}),
1424                                       -class => "list"}, esc_html($diff{'file'})) .
1425                              "</td>\n" .
1426                              "<td>$mode_chng</td>\n" .
1427                              "<td class=\"link\">" .
1428                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1429                                                     hash_base=>$parent, file_name=>$diff{'file'})},
1430                                      "blob") .
1431                              " | " .
1432                              $cgi->a({-href => href(action=>"history", hash_base=>$parent,
1433                                                     file_name=>$diff{'file'})},\
1434                                      "history") .
1435                              "</td>\n";
1436
1437                } elsif ($diff{'status'} eq "M" || $diff{'status'} eq "T") { # modified, or type changed
1438                        my $mode_chnge = "";
1439                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1440                                $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
1441                                if ($from_file_type != $to_file_type) {
1442                                        $mode_chnge .= " from $from_file_type to $to_file_type";
1443                                }
1444                                if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
1445                                        if ($from_mode_str && $to_mode_str) {
1446                                                $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
1447                                        } elsif ($to_mode_str) {
1448                                                $mode_chnge .= " mode: $to_mode_str";
1449                                        }
1450                                }
1451                                $mode_chnge .= "]</span>\n";
1452                        }
1453                        print "<td>";
1454                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1455                                print $cgi->a({-href => href(action=>"blobdiff", hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1456                                                             hash_base=>$hash, file_name=>$diff{'file'}),
1457                                              -class => "list"}, esc_html($diff{'file'}));
1458                        } else { # only mode changed
1459                                print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1460                                                             hash_base=>$hash, file_name=>$diff{'file'}),
1461                                              -class => "list"}, esc_html($diff{'file'}));
1462                        }
1463                        print "</td>\n" .
1464                              "<td>$mode_chnge</td>\n" .
1465                              "<td class=\"link\">" .
1466                                $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1467                                                       hash_base=>$hash, file_name=>$diff{'file'})},
1468                                        "blob");
1469                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1470                                print " | " .
1471                                        $cgi->a({-href => href(action=>"blobdiff", hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1472                                                               hash_base=>$hash, file_name=>$diff{'file'})},
1473                                                "diff");
1474                        }
1475                        print " | " .
1476                                $cgi->a({-href => href(action=>"history",
1477                                                       hash_base=>$hash, file_name=>$diff{'file'})},
1478                                        "history");
1479                        print "</td>\n";
1480
1481                } elsif ($diff{'status'} eq "R" || $diff{'status'} eq "C") { # renamed or copied
1482                        my %status_name = ('R' => 'moved', 'C' => 'copied');
1483                        my $nstatus = $status_name{$diff{'status'}};
1484                        my $mode_chng = "";
1485                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1486                                # mode also for directories, so we cannot use $to_mode_str
1487                                $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
1488                        }
1489                        print "<td>" .
1490                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1491                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'}),
1492                                      -class => "list"}, esc_html($diff{'to_file'})) . "</td>\n" .
1493                              "<td><span class=\"file_status $nstatus\">[$nstatus from " .
1494                              $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
1495                                                     hash=>$diff{'from_id'}, file_name=>$diff{'from_file'}),
1496                                      -class => "list"}, esc_html($diff{'from_file'})) .
1497                              " with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
1498                              "<td class=\"link\">" .
1499                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1500                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'})},
1501                                      "blob");
1502                        if ($diff{'to_id'} ne $diff{'from_id'}) {
1503                                print " | " .
1504                                        $cgi->a({-href => href(action=>"blobdiff", hash_base=>$hash,
1505                                                               hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1506                                                               file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
1507                                                "diff");
1508                        }
1509                        print "</td>\n";
1510
1511                } # we should not encounter Unmerged (U) or Unknown (X) status
1512                print "</tr>\n";
1513        }
1514        print "</table>\n";
1515}
1516
1517sub git_shortlog_body {
1518        # uses global variable $project
1519        my ($revlist, $from, $to, $refs, $extra) = @_;
1520
1521        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
1522        my $have_snapshot = (defined $ctype && defined $suffix);
1523
1524        $from = 0 unless defined $from;
1525        $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
1526
1527        print "<table class=\"shortlog\" cellspacing=\"0\">\n";
1528        my $alternate = 0;
1529        for (my $i = $from; $i <= $to; $i++) {
1530                my $commit = $revlist->[$i];
1531                #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
1532                my $ref = format_ref_marker($refs, $commit);
1533                my %co = parse_commit($commit);
1534                if ($alternate) {
1535                        print "<tr class=\"dark\">\n";
1536                } else {
1537                        print "<tr class=\"light\">\n";
1538                }
1539                $alternate ^= 1;
1540                # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
1541                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1542                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1543                      "<td>";
1544                print format_subject_html($co{'title'}, $co{'title_short'},
1545                                          href(action=>"commit", hash=>$commit), $ref);
1546                print "</td>\n" .
1547                      "<td class=\"link\">" .
1548                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
1549                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
1550                if ($have_snapshot) {
1551                        print " | " .  $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
1552                }
1553                print "</td>\n" .
1554                      "</tr>\n";
1555        }
1556        if (defined $extra) {
1557                print "<tr>\n" .
1558                      "<td colspan=\"4\">$extra</td>\n" .
1559                      "</tr>\n";
1560        }
1561        print "</table>\n";
1562}
1563
1564sub git_history_body {
1565        # Warning: assumes constant type (blob or tree) during history
1566        my ($fd, $refs, $hash_base, $ftype, $extra) = @_;
1567
1568        print "<table class=\"history\" cellspacing=\"0\">\n";
1569        my $alternate = 0;
1570        while (my $line = <$fd>) {
1571                if ($line !~ m/^([0-9a-fA-F]{40})/) {
1572                        next;
1573                }
1574
1575                my $commit = $1;
1576                my %co = parse_commit($commit);
1577                if (!%co) {
1578                        next;
1579                }
1580
1581                my $ref = format_ref_marker($refs, $commit);
1582
1583                if ($alternate) {
1584                        print "<tr class=\"dark\">\n";
1585                } else {
1586                        print "<tr class=\"light\">\n";
1587                }
1588                $alternate ^= 1;
1589                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1590                      # shortlog uses      chop_str($co{'author_name'}, 10)
1591                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
1592                      "<td>";
1593                # originally git_history used chop_str($co{'title'}, 50)
1594                print format_subject_html($co{'title'}, $co{'title_short'},
1595                                          href(action=>"commit", hash=>$commit), $ref);
1596                print "</td>\n" .
1597                      "<td class=\"link\">" .
1598                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
1599                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
1600                      $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype);
1601
1602                if ($ftype eq 'blob') {
1603                        my $blob_current = git_get_hash_by_path($hash_base, $file_name);
1604                        my $blob_parent  = git_get_hash_by_path($commit, $file_name);
1605                        if (defined $blob_current && defined $blob_parent &&
1606                                        $blob_current ne $blob_parent) {
1607                                print " | " .
1608                                        $cgi->a({-href => href(action=>"blobdiff", hash=>$blob_current, hash_parent=>$blob_parent,
1609                                                               hash_base=>$commit, file_name=>$file_name)},
1610                                                "diff to current");
1611                        }
1612                }
1613                print "</td>\n" .
1614                      "</tr>\n";
1615        }
1616        if (defined $extra) {
1617                print "<tr>\n" .
1618                      "<td colspan=\"4\">$extra</td>\n" .
1619                      "</tr>\n";
1620        }
1621        print "</table>\n";
1622}
1623
1624sub git_tags_body {
1625        # uses global variable $project
1626        my ($taglist, $from, $to, $extra) = @_;
1627        $from = 0 unless defined $from;
1628        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1629
1630        print "<table class=\"tags\" cellspacing=\"0\">\n";
1631        my $alternate = 0;
1632        for (my $i = $from; $i <= $to; $i++) {
1633                my $entry = $taglist->[$i];
1634                my %tag = %$entry;
1635                my $comment_lines = $tag{'comment'};
1636                my $comment = shift @$comment_lines;
1637                my $comment_short;
1638                if (defined $comment) {
1639                        $comment_short = chop_str($comment, 30, 5);
1640                }
1641                if ($alternate) {
1642                        print "<tr class=\"dark\">\n";
1643                } else {
1644                        print "<tr class=\"light\">\n";
1645                }
1646                $alternate ^= 1;
1647                print "<td><i>$tag{'age'}</i></td>\n" .
1648                      "<td>" .
1649                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
1650                               -class => "list name"}, esc_html($tag{'name'})) .
1651                      "</td>\n" .
1652                      "<td>";
1653                if (defined $comment) {
1654                        print format_subject_html($comment, $comment_short,
1655                                                  href(action=>"tag", hash=>$tag{'id'}));
1656                }
1657                print "</td>\n" .
1658                      "<td class=\"selflink\">";
1659                if ($tag{'type'} eq "tag") {
1660                        print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
1661                } else {
1662                        print "&nbsp;";
1663                }
1664                print "</td>\n" .
1665                      "<td class=\"link\">" . " | " .
1666                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
1667                if ($tag{'reftype'} eq "commit") {
1668                        print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") .
1669                              " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'refid'})}, "log");
1670                } elsif ($tag{'reftype'} eq "blob") {
1671                        print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
1672                }
1673                print "</td>\n" .
1674                      "</tr>";
1675        }
1676        if (defined $extra) {
1677                print "<tr>\n" .
1678                      "<td colspan=\"5\">$extra</td>\n" .
1679                      "</tr>\n";
1680        }
1681        print "</table>\n";
1682}
1683
1684sub git_heads_body {
1685        # uses global variable $project
1686        my ($taglist, $head, $from, $to, $extra) = @_;
1687        $from = 0 unless defined $from;
1688        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1689
1690        print "<table class=\"heads\" cellspacing=\"0\">\n";
1691        my $alternate = 0;
1692        for (my $i = $from; $i <= $to; $i++) {
1693                my $entry = $taglist->[$i];
1694                my %tag = %$entry;
1695                my $curr = $tag{'id'} eq $head;
1696                if ($alternate) {
1697                        print "<tr class=\"dark\">\n";
1698                } else {
1699                        print "<tr class=\"light\">\n";
1700                }
1701                $alternate ^= 1;
1702                print "<td><i>$tag{'age'}</i></td>\n" .
1703                      ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
1704                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'}),
1705                               -class => "list name"},esc_html($tag{'name'})) .
1706                      "</td>\n" .
1707                      "<td class=\"link\">" .
1708                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") . " | " .
1709                      $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log") .
1710                      "</td>\n" .
1711                      "</tr>";
1712        }
1713        if (defined $extra) {
1714                print "<tr>\n" .
1715                      "<td colspan=\"3\">$extra</td>\n" .
1716                      "</tr>\n";
1717        }
1718        print "</table>\n";
1719}
1720
1721## ----------------------------------------------------------------------
1722## functions printing large fragments, format as one of arguments
1723
1724sub git_diff_print {
1725        my $from = shift;
1726        my $from_name = shift;
1727        my $to = shift;
1728        my $to_name = shift;
1729        my $format = shift || "html";
1730
1731        my $from_tmp = "/dev/null";
1732        my $to_tmp = "/dev/null";
1733        my $pid = $$;
1734
1735        # create tmp from-file
1736        if (defined $from) {
1737                $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
1738                open my $fd2, "> $from_tmp";
1739                open my $fd, "-|", $GIT, "cat-file", "blob", $from;
1740                my @file = <$fd>;
1741                print $fd2 @file;
1742                close $fd2;
1743                close $fd;
1744        }
1745
1746        # create tmp to-file
1747        if (defined $to) {
1748                $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
1749                open my $fd2, "> $to_tmp";
1750                open my $fd, "-|", $GIT, "cat-file", "blob", $to;
1751                my @file = <$fd>;
1752                print $fd2 @file;
1753                close $fd2;
1754                close $fd;
1755        }
1756
1757        open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
1758        if ($format eq "plain") {
1759                undef $/;
1760                print <$fd>;
1761                $/ = "\n";
1762        } else {
1763                while (my $line = <$fd>) {
1764                        chomp $line;
1765                        my $char = substr($line, 0, 1);
1766                        my $diff_class = "";
1767                        if ($char eq '+') {
1768                                $diff_class = " add";
1769                        } elsif ($char eq "-") {
1770                                $diff_class = " rem";
1771                        } elsif ($char eq "@") {
1772                                $diff_class = " chunk_header";
1773                        } elsif ($char eq "\\") {
1774                                # skip errors
1775                                next;
1776                        }
1777                        $line = untabify($line);
1778                        print "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
1779                }
1780        }
1781        close $fd;
1782
1783        if (defined $from) {
1784                unlink($from_tmp);
1785        }
1786        if (defined $to) {
1787                unlink($to_tmp);
1788        }
1789}
1790
1791
1792## ======================================================================
1793## ======================================================================
1794## actions
1795
1796sub git_project_list {
1797        my $order = $cgi->param('o');
1798        if (defined $order && $order !~ m/project|descr|owner|age/) {
1799                die_error(undef, "Unknown order parameter");
1800        }
1801
1802        my @list = git_get_projects_list();
1803        my @projects;
1804        if (!@list) {
1805                die_error(undef, "No projects found");
1806        }
1807        foreach my $pr (@list) {
1808                my $head = git_get_head_hash($pr->{'path'});
1809                if (!defined $head) {
1810                        next;
1811                }
1812                $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
1813                my %co = parse_commit($head);
1814                if (!%co) {
1815                        next;
1816                }
1817                $pr->{'commit'} = \%co;
1818                if (!defined $pr->{'descr'}) {
1819                        my $descr = git_get_project_description($pr->{'path'}) || "";
1820                        $pr->{'descr'} = chop_str($descr, 25, 5);
1821                }
1822                if (!defined $pr->{'owner'}) {
1823                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
1824                }
1825                push @projects, $pr;
1826        }
1827
1828        git_header_html();
1829        if (-f $home_text) {
1830                print "<div class=\"index_include\">\n";
1831                open (my $fd, $home_text);
1832                print <$fd>;
1833                close $fd;
1834                print "</div>\n";
1835        }
1836        print "<table class=\"project_list\">\n" .
1837              "<tr>\n";
1838        $order ||= "project";
1839        if ($order eq "project") {
1840                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
1841                print "<th>Project</th>\n";
1842        } else {
1843                print "<th>" .
1844                      $cgi->a({-href => "$my_uri?" . esc_param("o=project"),
1845                               -class => "header"}, "Project") .
1846                      "</th>\n";
1847        }
1848        if ($order eq "descr") {
1849                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
1850                print "<th>Description</th>\n";
1851        } else {
1852                print "<th>" .
1853                      $cgi->a({-href => "$my_uri?" . esc_param("o=descr"),
1854                               -class => "header"}, "Description") .
1855                      "</th>\n";
1856        }
1857        if ($order eq "owner") {
1858                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
1859                print "<th>Owner</th>\n";
1860        } else {
1861                print "<th>" .
1862                      $cgi->a({-href => "$my_uri?" . esc_param("o=owner"),
1863                               -class => "header"}, "Owner") .
1864                      "</th>\n";
1865        }
1866        if ($order eq "age") {
1867                @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
1868                print "<th>Last Change</th>\n";
1869        } else {
1870                print "<th>" .
1871                      $cgi->a({-href => "$my_uri?" . esc_param("o=age"),
1872                               -class => "header"}, "Last Change") .
1873                      "</th>\n";
1874        }
1875        print "<th></th>\n" .
1876              "</tr>\n";
1877        my $alternate = 0;
1878        foreach my $pr (@projects) {
1879                if ($alternate) {
1880                        print "<tr class=\"dark\">\n";
1881                } else {
1882                        print "<tr class=\"light\">\n";
1883                }
1884                $alternate ^= 1;
1885                print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
1886                                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
1887                      "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
1888                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
1889                print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" .
1890                      $pr->{'commit'}{'age_string'} . "</td>\n" .
1891                      "<td class=\"link\">" .
1892                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
1893                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
1894                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") .
1895                      "</td>\n" .
1896                      "</tr>\n";
1897        }
1898        print "</table>\n";
1899        git_footer_html();
1900}
1901
1902sub git_summary {
1903        my $descr = git_get_project_description($project) || "none";
1904        my $head = git_get_head_hash($project);
1905        my %co = parse_commit($head);
1906        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
1907
1908        my $owner = git_get_project_owner($project);
1909
1910        my $refs = git_get_references();
1911        git_header_html();
1912        git_print_page_nav('summary','', $head);
1913
1914        print "<div class=\"title\">&nbsp;</div>\n";
1915        print "<table cellspacing=\"0\">\n" .
1916              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
1917              "<tr><td>owner</td><td>$owner</td></tr>\n" .
1918              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n";
1919        # use per project git URL list in $projectroot/$project/cloneurl
1920        # or make project git URL from git base URL and project name
1921        my $url_tag = "URL";
1922        my @url_list = git_get_project_url_list($project);
1923        @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
1924        foreach my $git_url (@url_list) {
1925                next unless $git_url;
1926                print "<tr><td>$url_tag</td><td>$git_url</td></tr>\n";
1927                $url_tag = "";
1928        }
1929        print "</table>\n";
1930
1931        open my $fd, "-|", $GIT, "rev-list", "--max-count=17", git_get_head_hash($project)
1932                or die_error(undef, "Open git-rev-list failed");
1933        my @revlist = map { chomp; $_ } <$fd>;
1934        close $fd;
1935        git_print_header_div('shortlog');
1936        git_shortlog_body(\@revlist, 0, 15, $refs,
1937                          $cgi->a({-href => href(action=>"shortlog")}, "..."));
1938
1939        my $taglist = git_get_refs_list("refs/tags");
1940        if (defined @$taglist) {
1941                git_print_header_div('tags');
1942                git_tags_body($taglist, 0, 15,
1943                              $cgi->a({-href => href(action=>"tags")}, "..."));
1944        }
1945
1946        my $headlist = git_get_refs_list("refs/heads");
1947        if (defined @$headlist) {
1948                git_print_header_div('heads');
1949                git_heads_body($headlist, $head, 0, 15,
1950                               $cgi->a({-href => href(action=>"heads")}, "..."));
1951        }
1952
1953        git_footer_html();
1954}
1955
1956sub git_tag {
1957        my $head = git_get_head_hash($project);
1958        git_header_html();
1959        git_print_page_nav('','', $head,undef,$head);
1960        my %tag = parse_tag($hash);
1961        git_print_header_div('commit', esc_html($tag{'name'}), $hash);
1962        print "<div class=\"title_text\">\n" .
1963              "<table cellspacing=\"0\">\n" .
1964              "<tr>\n" .
1965              "<td>object</td>\n" .
1966              "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
1967                               $tag{'object'}) . "</td>\n" .
1968              "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
1969                                              $tag{'type'}) . "</td>\n" .
1970              "</tr>\n";
1971        if (defined($tag{'author'})) {
1972                my %ad = parse_date($tag{'epoch'}, $tag{'tz'});
1973                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
1974                print "<tr><td></td><td>" . $ad{'rfc2822'} .
1975                        sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) .
1976                        "</td></tr>\n";
1977        }
1978        print "</table>\n\n" .
1979              "</div>\n";
1980        print "<div class=\"page_body\">";
1981        my $comment = $tag{'comment'};
1982        foreach my $line (@$comment) {
1983                print esc_html($line) . "<br/>\n";
1984        }
1985        print "</div>\n";
1986        git_footer_html();
1987}
1988
1989sub git_blame2 {
1990        my $fd;
1991        my $ftype;
1992
1993        if (!gitweb_check_feature('blame')) {
1994                die_error('403 Permission denied', "Permission denied");
1995        }
1996        die_error('404 Not Found', "File name not defined") if (!$file_name);
1997        $hash_base ||= git_get_head_hash($project);
1998        die_error(undef, "Couldn't find base commit") unless ($hash_base);
1999        my %co = parse_commit($hash_base)
2000                or die_error(undef, "Reading commit failed");
2001        if (!defined $hash) {
2002                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2003                        or die_error(undef, "Error looking up file");
2004        }
2005        $ftype = git_get_type($hash);
2006        if ($ftype !~ "blob") {
2007                die_error("400 Bad Request", "Object is not a blob");
2008        }
2009        open ($fd, "-|", $GIT, "blame", '-l', $file_name, $hash_base)
2010                or die_error(undef, "Open git-blame failed");
2011        git_header_html();
2012        my $formats_nav =
2013                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2014                        "blob") .
2015                " | " .
2016                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2017                        "head");
2018        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2019        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2020        git_print_page_path($file_name, $ftype, $hash_base);
2021        my @rev_color = (qw(light2 dark2));
2022        my $num_colors = scalar(@rev_color);
2023        my $current_color = 0;
2024        my $last_rev;
2025        print "<div class=\"page_body\">\n";
2026        print "<table class=\"blame\">\n";
2027        print "<tr><th>Commit</th><th>Line</th><th>Data</th></tr>\n";
2028        while (<$fd>) {
2029                /^([0-9a-fA-F]{40}).*?(\d+)\)\s{1}(\s*.*)/;
2030                my $full_rev = $1;
2031                my $rev = substr($full_rev, 0, 8);
2032                my $lineno = $2;
2033                my $data = $3;
2034
2035                if (!defined $last_rev) {
2036                        $last_rev = $full_rev;
2037                } elsif ($last_rev ne $full_rev) {
2038                        $last_rev = $full_rev;
2039                        $current_color = ++$current_color % $num_colors;
2040                }
2041                print "<tr class=\"$rev_color[$current_color]\">\n";
2042                print "<td class=\"sha1\">" .
2043                        $cgi->a({-href => href(action=>"commit", hash=>$full_rev, file_name=>$file_name)},
2044                                esc_html($rev)) . "</td>\n";
2045                print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" .
2046                      esc_html($lineno) . "</a></td>\n";
2047                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
2048                print "</tr>\n";
2049        }
2050        print "</table>\n";
2051        print "</div>";
2052        close $fd
2053                or print "Reading blob failed\n";
2054        git_footer_html();
2055}
2056
2057sub git_blame {
2058        my $fd;
2059
2060        if (!gitweb_check_feature('blame')) {
2061                die_error('403 Permission denied', "Permission denied");
2062        }
2063        die_error('404 Not Found', "File name not defined") if (!$file_name);
2064        $hash_base ||= git_get_head_hash($project);
2065        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2066        my %co = parse_commit($hash_base)
2067                or die_error(undef, "Reading commit failed");
2068        if (!defined $hash) {
2069                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2070                        or die_error(undef, "Error lookup file");
2071        }
2072        open ($fd, "-|", $GIT, "annotate", '-l', '-t', '-r', $file_name, $hash_base)
2073                or die_error(undef, "Open git-annotate failed");
2074        git_header_html();
2075        my $formats_nav =
2076                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2077                        "blob") .
2078                " | " .
2079                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2080                        "head");
2081        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2082        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2083        git_print_page_path($file_name, 'blob', $hash_base);
2084        print "<div class=\"page_body\">\n";
2085        print <<HTML;
2086<table class="blame">
2087  <tr>
2088    <th>Commit</th>
2089    <th>Age</th>
2090    <th>Author</th>
2091    <th>Line</th>
2092    <th>Data</th>
2093  </tr>
2094HTML
2095        my @line_class = (qw(light dark));
2096        my $line_class_len = scalar (@line_class);
2097        my $line_class_num = $#line_class;
2098        while (my $line = <$fd>) {
2099                my $long_rev;
2100                my $short_rev;
2101                my $author;
2102                my $time;
2103                my $lineno;
2104                my $data;
2105                my $age;
2106                my $age_str;
2107                my $age_class;
2108
2109                chomp $line;
2110                $line_class_num = ($line_class_num + 1) % $line_class_len;
2111
2112                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
2113                        $long_rev = $1;
2114                        $author   = $2;
2115                        $time     = $3;
2116                        $lineno   = $4;
2117                        $data     = $5;
2118                } else {
2119                        print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
2120                        next;
2121                }
2122                $short_rev  = substr ($long_rev, 0, 8);
2123                $age        = time () - $time;
2124                $age_str    = age_string ($age);
2125                $age_str    =~ s/ /&nbsp;/g;
2126                $age_class  = age_class($age);
2127                $author     = esc_html ($author);
2128                $author     =~ s/ /&nbsp;/g;
2129
2130                $data = untabify($data);
2131                $data = esc_html ($data);
2132
2133                print <<HTML;
2134  <tr class="$line_class[$line_class_num]">
2135    <td class="sha1"><a href="${\href (action=>"commit", hash=>$long_rev)}" class="text">$short_rev..</a></td>
2136    <td class="$age_class">$age_str</td>
2137    <td>$author</td>
2138    <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
2139    <td class="pre">$data</td>
2140  </tr>
2141HTML
2142        } # while (my $line = <$fd>)
2143        print "</table>\n\n";
2144        close $fd
2145                or print "Reading blob failed.\n";
2146        print "</div>";
2147        git_footer_html();
2148}
2149
2150sub git_tags {
2151        my $head = git_get_head_hash($project);
2152        git_header_html();
2153        git_print_page_nav('','', $head,undef,$head);
2154        git_print_header_div('summary', $project);
2155
2156        my $taglist = git_get_refs_list("refs/tags");
2157        if (defined @$taglist) {
2158                git_tags_body($taglist);
2159        }
2160        git_footer_html();
2161}
2162
2163sub git_heads {
2164        my $head = git_get_head_hash($project);
2165        git_header_html();
2166        git_print_page_nav('','', $head,undef,$head);
2167        git_print_header_div('summary', $project);
2168
2169        my $taglist = git_get_refs_list("refs/heads");
2170        if (defined @$taglist) {
2171                git_heads_body($taglist, $head);
2172        }
2173        git_footer_html();
2174}
2175
2176sub git_blob_plain {
2177        if (!defined $hash) {
2178                if (defined $file_name) {
2179                        my $base = $hash_base || git_get_head_hash($project);
2180                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2181                                or die_error(undef, "Error lookup file");
2182                } else {
2183                        die_error(undef, "No file name defined");
2184                }
2185        }
2186        my $type = shift;
2187        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
2188                or die_error(undef, "Couldn't cat $file_name, $hash");
2189
2190        $type ||= blob_mimetype($fd, $file_name);
2191
2192        # save as filename, even when no $file_name is given
2193        my $save_as = "$hash";
2194        if (defined $file_name) {
2195                $save_as = $file_name;
2196        } elsif ($type =~ m/^text\//) {
2197                $save_as .= '.txt';
2198        }
2199
2200        print $cgi->header(-type => "$type",
2201                           -content_disposition => "inline; filename=\"$save_as\"");
2202        undef $/;
2203        binmode STDOUT, ':raw';
2204        print <$fd>;
2205        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2206        $/ = "\n";
2207        close $fd;
2208}
2209
2210sub git_blob {
2211        if (!defined $hash) {
2212                if (defined $file_name) {
2213                        my $base = $hash_base || git_get_head_hash($project);
2214                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2215                                or die_error(undef, "Error lookup file");
2216                } else {
2217                        die_error(undef, "No file name defined");
2218                }
2219        }
2220        my $have_blame = gitweb_check_feature('blame');
2221        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
2222                or die_error(undef, "Couldn't cat $file_name, $hash");
2223        my $mimetype = blob_mimetype($fd, $file_name);
2224        if ($mimetype !~ m/^text\//) {
2225                close $fd;
2226                return git_blob_plain($mimetype);
2227        }
2228        git_header_html();
2229        my $formats_nav = '';
2230        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2231                if (defined $file_name) {
2232                        if ($have_blame) {
2233                                $formats_nav .=
2234                                        $cgi->a({-href => href(action=>"blame", hash_base=>$hash_base,
2235                                                               hash=>$hash, file_name=>$file_name)},
2236                                                "blame") .
2237                                        " | ";
2238                        }
2239                        $formats_nav .=
2240                                $cgi->a({-href => href(action=>"blob_plain",
2241                                                       hash=>$hash, file_name=>$file_name)},
2242                                        "plain") .
2243                                " | " .
2244                                $cgi->a({-href => href(action=>"blob",
2245                                                       hash_base=>"HEAD", file_name=>$file_name)},
2246                                        "head");
2247                } else {
2248                        $formats_nav .=
2249                                $cgi->a({-href => href(action=>"blob_plain", hash=>$hash)}, "plain");
2250                }
2251                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2252                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2253        } else {
2254                print "<div class=\"page_nav\">\n" .
2255                      "<br/><br/></div>\n" .
2256                      "<div class=\"title\">$hash</div>\n";
2257        }
2258        git_print_page_path($file_name, "blob", $hash_base);
2259        print "<div class=\"page_body\">\n";
2260        my $nr;
2261        while (my $line = <$fd>) {
2262                chomp $line;
2263                $nr++;
2264                $line = untabify($line);
2265                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
2266                       $nr, $nr, $nr, esc_html($line);
2267        }
2268        close $fd
2269                or print "Reading blob failed.\n";
2270        print "</div>";
2271        git_footer_html();
2272}
2273
2274sub git_tree {
2275        if (!defined $hash) {
2276                $hash = git_get_head_hash($project);
2277                if (defined $file_name) {
2278                        my $base = $hash_base || $hash;
2279                        $hash = git_get_hash_by_path($base, $file_name, "tree");
2280                }
2281                if (!defined $hash_base) {
2282                        $hash_base = $hash;
2283                }
2284        }
2285        $/ = "\0";
2286        open my $fd, "-|", $GIT, "ls-tree", '-z', $hash
2287                or die_error(undef, "Open git-ls-tree failed");
2288        my @entries = map { chomp; $_ } <$fd>;
2289        close $fd or die_error(undef, "Reading tree failed");
2290        $/ = "\n";
2291
2292        my $refs = git_get_references();
2293        my $ref = format_ref_marker($refs, $hash_base);
2294        git_header_html();
2295        my %base_key = ();
2296        my $base = "";
2297        my $have_blame = gitweb_check_feature('blame');
2298        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2299                $base_key{hash_base} = $hash_base;
2300                git_print_page_nav('tree','', $hash_base);
2301                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
2302        } else {
2303                print "<div class=\"page_nav\">\n";
2304                print "<br/><br/></div>\n";
2305                print "<div class=\"title\">$hash</div>\n";
2306        }
2307        if (defined $file_name) {
2308                $base = esc_html("$file_name/");
2309        }
2310        git_print_page_path($file_name, 'tree', $hash_base);
2311        print "<div class=\"page_body\">\n";
2312        print "<table cellspacing=\"0\">\n";
2313        my $alternate = 0;
2314        foreach my $line (@entries) {
2315                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
2316                $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
2317                my $t_mode = $1;
2318                my $t_type = $2;
2319                my $t_hash = $3;
2320                my $t_name = validate_input($4);
2321                if ($alternate) {
2322                        print "<tr class=\"dark\">\n";
2323                } else {
2324                        print "<tr class=\"light\">\n";
2325                }
2326                $alternate ^= 1;
2327                print "<td class=\"mode\">" . mode_str($t_mode) . "</td>\n";
2328                if ($t_type eq "blob") {
2329                        print "<td class=\"list\">" .
2330                              $cgi->a({-href => href(action=>"blob", hash=>$t_hash, file_name=>"$base$t_name", %base_key),
2331                                      -class => "list"}, esc_html($t_name)) .
2332                              "</td>\n" .
2333                              "<td class=\"link\">" .
2334                              $cgi->a({-href => href(action=>"blob", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2335                                      "blob");
2336                        if ($have_blame) {
2337                                print " | " .
2338                                        $cgi->a({-href => href(action=>"blame", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2339                                                "blame");
2340                        }
2341                        print " | " .
2342                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2343                                                     hash=>$t_hash, file_name=>"$base$t_name")},
2344                                      "history") .
2345                              " | " .
2346                              $cgi->a({-href => href(action=>"blob_plain",
2347                                                     hash=>$t_hash, file_name=>"$base$t_name")},
2348                                      "raw") .
2349                              "</td>\n";
2350                } elsif ($t_type eq "tree") {
2351                        print "<td class=\"list\">" .
2352                              $cgi->a({-href => href(action=>"tree", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2353                                      esc_html($t_name)) .
2354                              "</td>\n" .
2355                              "<td class=\"link\">" .
2356                              $cgi->a({-href => href(action=>"tree", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2357                                      "tree") .
2358                              " | " .
2359                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base, file_name=>"$base$t_name")},
2360                                      "history") .
2361                              "</td>\n";
2362                }
2363                print "</tr>\n";
2364        }
2365        print "</table>\n" .
2366              "</div>";
2367        git_footer_html();
2368}
2369
2370sub git_snapshot {
2371
2372        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2373        my $have_snapshot = (defined $ctype && defined $suffix);
2374        if (!$have_snapshot) {
2375                die_error('403 Permission denied', "Permission denied");
2376        }
2377
2378        if (!defined $hash) {
2379                $hash = git_get_head_hash($project);
2380        }
2381
2382        my $filename = basename($project) . "-$hash.tar.$suffix";
2383
2384        print $cgi->header(-type => 'application/x-tar',
2385                           -content_encoding => $ctype,
2386                           -content_disposition => "inline; filename=\"$filename\"",
2387                           -status => '200 OK');
2388
2389        open my $fd, "-|", "$GIT tar-tree $hash \'$project\' | $command" or
2390                die_error(undef, "Execute git-tar-tree failed.");
2391        binmode STDOUT, ':raw';
2392        print <$fd>;
2393        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2394        close $fd;
2395
2396}
2397
2398sub git_log {
2399        my $head = git_get_head_hash($project);
2400        if (!defined $hash) {
2401                $hash = $head;
2402        }
2403        if (!defined $page) {
2404                $page = 0;
2405        }
2406        my $refs = git_get_references();
2407
2408        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2409        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
2410                or die_error(undef, "Open git-rev-list failed");
2411        my @revlist = map { chomp; $_ } <$fd>;
2412        close $fd;
2413
2414        my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#revlist);
2415
2416        git_header_html();
2417        git_print_page_nav('log','', $hash,undef,undef, $paging_nav);
2418
2419        if (!@revlist) {
2420                my %co = parse_commit($hash);
2421
2422                git_print_header_div('summary', $project);
2423                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
2424        }
2425        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2426                my $commit = $revlist[$i];
2427                my $ref = format_ref_marker($refs, $commit);
2428                my %co = parse_commit($commit);
2429                next if !%co;
2430                my %ad = parse_date($co{'author_epoch'});
2431                git_print_header_div('commit',
2432                               "<span class=\"age\">$co{'age_string'}</span>" .
2433                               esc_html($co{'title'}) . $ref,
2434                               $commit);
2435                print "<div class=\"title_text\">\n" .
2436                      "<div class=\"log_link\">\n" .
2437                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
2438                      " | " .
2439                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
2440                      "<br/>\n" .
2441                      "</div>\n" .
2442                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
2443                      "</div>\n";
2444
2445                print "<div class=\"log_body\">\n";
2446                git_print_simplified_log($co{'comment'});
2447                print "</div>\n";
2448        }
2449        git_footer_html();
2450}
2451
2452sub git_commit {
2453        my %co = parse_commit($hash);
2454        if (!%co) {
2455                die_error(undef, "Unknown commit object");
2456        }
2457        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2458        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2459
2460        my $parent = $co{'parent'};
2461        if (!defined $parent) {
2462                $parent = "--root";
2463        }
2464        open my $fd, "-|", $GIT, "diff-tree", '-r', '-M', $parent, $hash
2465                or die_error(undef, "Open git-diff-tree failed");
2466        my @difftree = map { chomp; $_ } <$fd>;
2467        close $fd or die_error(undef, "Reading git-diff-tree failed");
2468
2469        # non-textual hash id's can be cached
2470        my $expires;
2471        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2472                $expires = "+1d";
2473        }
2474        my $refs = git_get_references();
2475        my $ref = format_ref_marker($refs, $co{'id'});
2476
2477        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2478        my $have_snapshot = (defined $ctype && defined $suffix);
2479
2480        my $formats_nav = '';
2481        if (defined $file_name && defined $co{'parent'}) {
2482                my $parent = $co{'parent'};
2483                $formats_nav .=
2484                        $cgi->a({-href => href(action=>"blame", hash_parent=>$parent, file_name=>$file_name)},
2485                                "blame");
2486        }
2487        git_header_html(undef, $expires);
2488        git_print_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
2489                           $hash, $co{'tree'}, $hash,
2490                           $formats_nav);
2491
2492        if (defined $co{'parent'}) {
2493                git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
2494        } else {
2495                git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
2496        }
2497        print "<div class=\"title_text\">\n" .
2498              "<table cellspacing=\"0\">\n";
2499        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
2500              "<tr>" .
2501              "<td></td><td> $ad{'rfc2822'}";
2502        if ($ad{'hour_local'} < 6) {
2503                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
2504                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2505        } else {
2506                printf(" (%02d:%02d %s)",
2507                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2508        }
2509        print "</td>" .
2510              "</tr>\n";
2511        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
2512        print "<tr><td></td><td> $cd{'rfc2822'}" .
2513              sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) .
2514              "</td></tr>\n";
2515        print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
2516        print "<tr>" .
2517              "<td>tree</td>" .
2518              "<td class=\"sha1\">" .
2519              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
2520                       class => "list"}, $co{'tree'}) .
2521              "</td>" .
2522              "<td class=\"link\">" .
2523              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
2524                      "tree");
2525        if ($have_snapshot) {
2526                print " | " .
2527                      $cgi->a({-href => href(action=>"snapshot", hash=>$hash)}, "snapshot");
2528        }
2529        print "</td>" .
2530              "</tr>\n";
2531        my $parents = $co{'parents'};
2532        foreach my $par (@$parents) {
2533                print "<tr>" .
2534                      "<td>parent</td>" .
2535                      "<td class=\"sha1\">" .
2536                      $cgi->a({-href => href(action=>"commit", hash=>$par),
2537                               class => "list"}, $par) .
2538                      "</td>" .
2539                      "<td class=\"link\">" .
2540                      $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
2541                      " | " .
2542                      $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "commitdiff") .
2543                      "</td>" .
2544                      "</tr>\n";
2545        }
2546        print "</table>".
2547              "</div>\n";
2548
2549        print "<div class=\"page_body\">\n";
2550        git_print_log($co{'comment'});
2551        print "</div>\n";
2552
2553        git_difftree_body(\@difftree, $parent);
2554
2555        git_footer_html();
2556}
2557
2558sub git_blobdiff {
2559        mkdir($git_temp, 0700);
2560        git_header_html();
2561        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2562                my $formats_nav =
2563                        $cgi->a({-href => href(action=>"blobdiff_plain",
2564                                               hash=>$hash, hash_parent=>$hash_parent)},
2565                                "plain");
2566                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2567                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2568        } else {
2569                print "<div class=\"page_nav\">\n" .
2570                      "<br/><br/></div>\n" .
2571                      "<div class=\"title\">$hash vs $hash_parent</div>\n";
2572        }
2573        git_print_page_path($file_name, "blob", $hash_base);
2574        print "<div class=\"page_body\">\n" .
2575              "<div class=\"diff_info\">blob:" .
2576              $cgi->a({-href => href(action=>"blob", hash=>$hash_parent,
2577                                     hash_base=>$hash_base, file_name=>($file_parent || $file_name))},
2578                      $hash_parent) .
2579              " -> blob:" .
2580              $cgi->a({-href => href(action=>"blob", hash=>$hash,
2581                                     hash_base=>$hash_base, file_name=>$file_name)},
2582                      $hash) .
2583              "</div>\n";
2584        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2585        print "</div>"; # page_body
2586        git_footer_html();
2587}
2588
2589sub git_blobdiff_plain {
2590        mkdir($git_temp, 0700);
2591        print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2592        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2593}
2594
2595sub git_commitdiff {
2596        mkdir($git_temp, 0700);
2597        my %co = parse_commit($hash);
2598        if (!%co) {
2599                die_error(undef, "Unknown commit object");
2600        }
2601        if (!defined $hash_parent) {
2602                $hash_parent = $co{'parent'} || '--root';
2603        }
2604        open my $fd, "-|", $GIT, "diff-tree", '-r', $hash_parent, $hash
2605                or die_error(undef, "Open git-diff-tree failed");
2606        my @difftree = map { chomp; $_ } <$fd>;
2607        close $fd or die_error(undef, "Reading git-diff-tree failed");
2608
2609        # non-textual hash id's can be cached
2610        my $expires;
2611        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2612                $expires = "+1d";
2613        }
2614        my $refs = git_get_references();
2615        my $ref = format_ref_marker($refs, $co{'id'});
2616        my $formats_nav =
2617                $cgi->a({-href => href(action=>"commitdiff_plain", hash=>$hash, hash_parent=>$hash_parent)},
2618                        "plain");
2619        git_header_html(undef, $expires);
2620        git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
2621        git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
2622        print "<div class=\"page_body\">\n";
2623        git_print_simplified_log($co{'comment'}, 1); # skip title
2624        print "<br/>\n";
2625        foreach my $line (@difftree) {
2626                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2627                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2628                if ($line !~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2629                        next;
2630                }
2631                my $from_mode = $1;
2632                my $to_mode = $2;
2633                my $from_id = $3;
2634                my $to_id = $4;
2635                my $status = $5;
2636                my $file = validate_input(unquote($6));
2637                if ($status eq "A") {
2638                        print "<div class=\"diff_info\">" . file_type($to_mode) . ":" .
2639                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2640                                                     hash=>$to_id, file_name=>$file)},
2641                                      $to_id) . "(new)" .
2642                              "</div>\n";
2643                        git_diff_print(undef, "/dev/null", $to_id, "b/$file");
2644                } elsif ($status eq "D") {
2645                        print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
2646                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2647                                                     hash=>$from_id, file_name=>$file)},
2648                                      $from_id) . "(deleted)" .
2649                              "</div>\n";
2650                        git_diff_print($from_id, "a/$file", undef, "/dev/null");
2651                } elsif ($status eq "M") {
2652                        if ($from_id ne $to_id) {
2653                                print "<div class=\"diff_info\">" .
2654                                      file_type($from_mode) . ":" .
2655                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2656                                                             hash=>$from_id, file_name=>$file)},
2657                                              $from_id) .
2658                                      " -> " .
2659                                      file_type($to_mode) . ":" .
2660                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2661                                                             hash=>$to_id, file_name=>$file)},
2662                                              $to_id);
2663                                print "</div>\n";
2664                                git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
2665                        }
2666                }
2667        }
2668        print "<br/>\n" .
2669              "</div>";
2670        git_footer_html();
2671}
2672
2673sub git_commitdiff_plain {
2674        mkdir($git_temp, 0700);
2675        my %co = parse_commit($hash);
2676        if (!%co) {
2677                die_error(undef, "Unknown commit object");
2678        }
2679        if (!defined $hash_parent) {
2680                $hash_parent = $co{'parent'} || '--root';
2681        }
2682        open my $fd, "-|", $GIT, "diff-tree", '-r', $hash_parent, $hash
2683                or die_error(undef, "Open git-diff-tree failed");
2684        my @difftree = map { chomp; $_ } <$fd>;
2685        close $fd or die_error(undef, "Reading diff-tree failed");
2686
2687        # try to figure out the next tag after this commit
2688        my $tagname;
2689        my $refs = git_get_references("tags");
2690        open $fd, "-|", $GIT, "rev-list", "HEAD";
2691        my @commits = map { chomp; $_ } <$fd>;
2692        close $fd;
2693        foreach my $commit (@commits) {
2694                if (defined $refs->{$commit}) {
2695                        $tagname = $refs->{$commit}
2696                }
2697                if ($commit eq $hash) {
2698                        last;
2699                }
2700        }
2701
2702        print $cgi->header(-type => "text/plain",
2703                           -charset => 'utf-8',
2704                           -content_disposition => "inline; filename=\"git-$hash.patch\"");
2705        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2706        my $comment = $co{'comment'};
2707        print "From: $co{'author'}\n" .
2708              "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
2709              "Subject: $co{'title'}\n";
2710        if (defined $tagname) {
2711                print "X-Git-Tag: $tagname\n";
2712        }
2713        print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
2714              "\n";
2715
2716        foreach my $line (@$comment) {;
2717                print "$line\n";
2718        }
2719        print "---\n\n";
2720
2721        foreach my $line (@difftree) {
2722                if ($line !~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2723                        next;
2724                }
2725                my $from_id = $3;
2726                my $to_id = $4;
2727                my $status = $5;
2728                my $file = $6;
2729                if ($status eq "A") {
2730                        git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
2731                } elsif ($status eq "D") {
2732                        git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
2733                } elsif ($status eq "M") {
2734                        git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
2735                }
2736        }
2737}
2738
2739sub git_history {
2740        if (!defined $hash_base) {
2741                $hash_base = git_get_head_hash($project);
2742        }
2743        my $ftype;
2744        my %co = parse_commit($hash_base);
2745        if (!%co) {
2746                die_error(undef, "Unknown commit object");
2747        }
2748        my $refs = git_get_references();
2749        git_header_html();
2750        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base);
2751        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2752        if (!defined $hash && defined $file_name) {
2753                $hash = git_get_hash_by_path($hash_base, $file_name);
2754        }
2755        if (defined $hash) {
2756                $ftype = git_get_type($hash);
2757        }
2758        git_print_page_path($file_name, $ftype, $hash_base);
2759
2760        open my $fd, "-|",
2761                $GIT, "rev-list", "--full-history", $hash_base, "--", $file_name;
2762        git_history_body($fd, $refs, $hash_base, $ftype);
2763
2764        close $fd;
2765        git_footer_html();
2766}
2767
2768sub git_search {
2769        if (!defined $searchtext) {
2770                die_error(undef, "Text field empty");
2771        }
2772        if (!defined $hash) {
2773                $hash = git_get_head_hash($project);
2774        }
2775        my %co = parse_commit($hash);
2776        if (!%co) {
2777                die_error(undef, "Unknown commit object");
2778        }
2779        # pickaxe may take all resources of your box and run for several minutes
2780        # with every query - so decide by yourself how public you make this feature :)
2781        my $commit_search = 1;
2782        my $author_search = 0;
2783        my $committer_search = 0;
2784        my $pickaxe_search = 0;
2785        if ($searchtext =~ s/^author\\://i) {
2786                $author_search = 1;
2787        } elsif ($searchtext =~ s/^committer\\://i) {
2788                $committer_search = 1;
2789        } elsif ($searchtext =~ s/^pickaxe\\://i) {
2790                $commit_search = 0;
2791                $pickaxe_search = 1;
2792        }
2793        git_header_html();
2794        git_print_page_nav('','', $hash,$co{'tree'},$hash);
2795        git_print_header_div('commit', esc_html($co{'title'}), $hash);
2796
2797        print "<table cellspacing=\"0\">\n";
2798        my $alternate = 0;
2799        if ($commit_search) {
2800                $/ = "\0";
2801                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", $hash or next;
2802                while (my $commit_text = <$fd>) {
2803                        if (!grep m/$searchtext/i, $commit_text) {
2804                                next;
2805                        }
2806                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2807                                next;
2808                        }
2809                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2810                                next;
2811                        }
2812                        my @commit_lines = split "\n", $commit_text;
2813                        my %co = parse_commit(undef, \@commit_lines);
2814                        if (!%co) {
2815                                next;
2816                        }
2817                        if ($alternate) {
2818                                print "<tr class=\"dark\">\n";
2819                        } else {
2820                                print "<tr class=\"light\">\n";
2821                        }
2822                        $alternate ^= 1;
2823                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2824                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2825                              "<td>" .
2826                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), -class => "list subject"},
2827                                       esc_html(chop_str($co{'title'}, 50)) . "<br/>");
2828                        my $comment = $co{'comment'};
2829                        foreach my $line (@$comment) {
2830                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2831                                        my $lead = esc_html($1) || "";
2832                                        $lead = chop_str($lead, 30, 10);
2833                                        my $match = esc_html($2) || "";
2834                                        my $trail = esc_html($3) || "";
2835                                        $trail = chop_str($trail, 30, 10);
2836                                        my $text = "$lead<span class=\"match\">$match</span>$trail";
2837                                        print chop_str($text, 80, 5) . "<br/>\n";
2838                                }
2839                        }
2840                        print "</td>\n" .
2841                              "<td class=\"link\">" .
2842                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
2843                              " | " .
2844                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
2845                        print "</td>\n" .
2846                              "</tr>\n";
2847                }
2848                close $fd;
2849        }
2850
2851        if ($pickaxe_search) {
2852                $/ = "\n";
2853                open my $fd, "-|", "$GIT rev-list $hash | $GIT diff-tree -r --stdin -S\'$searchtext\'";
2854                undef %co;
2855                my @files;
2856                while (my $line = <$fd>) {
2857                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2858                                my %set;
2859                                $set{'file'} = $6;
2860                                $set{'from_id'} = $3;
2861                                $set{'to_id'} = $4;
2862                                $set{'id'} = $set{'to_id'};
2863                                if ($set{'id'} =~ m/0{40}/) {
2864                                        $set{'id'} = $set{'from_id'};
2865                                }
2866                                if ($set{'id'} =~ m/0{40}/) {
2867                                        next;
2868                                }
2869                                push @files, \%set;
2870                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2871                                if (%co) {
2872                                        if ($alternate) {
2873                                                print "<tr class=\"dark\">\n";
2874                                        } else {
2875                                                print "<tr class=\"light\">\n";
2876                                        }
2877                                        $alternate ^= 1;
2878                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2879                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2880                                              "<td>" .
2881                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
2882                                                      -class => "list subject"},
2883                                                      esc_html(chop_str($co{'title'}, 50)) . "<br/>");
2884                                        while (my $setref = shift @files) {
2885                                                my %set = %$setref;
2886                                                print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
2887                                                                             hash=>$set{'id'}, file_name=>$set{'file'}),
2888                                                              -class => "list"},
2889                                                              "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
2890                                                      "<br/>\n";
2891                                        }
2892                                        print "</td>\n" .
2893                                              "<td class=\"link\">" .
2894                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
2895                                              " | " .
2896                                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
2897                                        print "</td>\n" .
2898                                              "</tr>\n";
2899                                }
2900                                %co = parse_commit($1);
2901                        }
2902                }
2903                close $fd;
2904        }
2905        print "</table>\n";
2906        git_footer_html();
2907}
2908
2909sub git_shortlog {
2910        my $head = git_get_head_hash($project);
2911        if (!defined $hash) {
2912                $hash = $head;
2913        }
2914        if (!defined $page) {
2915                $page = 0;
2916        }
2917        my $refs = git_get_references();
2918
2919        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2920        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
2921                or die_error(undef, "Open git-rev-list failed");
2922        my @revlist = map { chomp; $_ } <$fd>;
2923        close $fd;
2924
2925        my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#revlist);
2926        my $next_link = '';
2927        if ($#revlist >= (100 * ($page+1)-1)) {
2928                $next_link =
2929                        $cgi->a({-href => href(action=>"shortlog", hash=>$hash, page=>$page+1),
2930                                 -title => "Alt-n"}, "next");
2931        }
2932
2933
2934        git_header_html();
2935        git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
2936        git_print_header_div('summary', $project);
2937
2938        git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
2939
2940        git_footer_html();
2941}
2942
2943## ......................................................................
2944## feeds (RSS, OPML)
2945
2946sub git_rss {
2947        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
2948        open my $fd, "-|", $GIT, "rev-list", "--max-count=150", git_get_head_hash($project)
2949                or die_error(undef, "Open git-rev-list failed");
2950        my @revlist = map { chomp; $_ } <$fd>;
2951        close $fd or die_error(undef, "Reading git-rev-list failed");
2952        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
2953        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
2954              "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
2955        print "<channel>\n";
2956        print "<title>$project</title>\n".
2957              "<link>" . esc_html("$my_url?p=$project;a=summary") . "</link>\n".
2958              "<description>$project log</description>\n".
2959              "<language>en</language>\n";
2960
2961        for (my $i = 0; $i <= $#revlist; $i++) {
2962                my $commit = $revlist[$i];
2963                my %co = parse_commit($commit);
2964                # we read 150, we always show 30 and the ones more recent than 48 hours
2965                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
2966                        last;
2967                }
2968                my %cd = parse_date($co{'committer_epoch'});
2969                open $fd, "-|", $GIT, "diff-tree", '-r', $co{'parent'}, $co{'id'} or next;
2970                my @difftree = map { chomp; $_ } <$fd>;
2971                close $fd or next;
2972                print "<item>\n" .
2973                      "<title>" .
2974                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
2975                      "</title>\n" .
2976                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
2977                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
2978                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
2979                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
2980                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
2981                      "<content:encoded>" .
2982                      "<![CDATA[\n";
2983                my $comment = $co{'comment'};
2984                foreach my $line (@$comment) {
2985                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
2986                        print "$line<br/>\n";
2987                }
2988                print "<br/>\n";
2989                foreach my $line (@difftree) {
2990                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
2991                                next;
2992                        }
2993                        my $file = validate_input(unquote($7));
2994                        $file = decode("utf8", $file, Encode::FB_DEFAULT);
2995                        print "$file<br/>\n";
2996                }
2997                print "]]>\n" .
2998                      "</content:encoded>\n" .
2999                      "</item>\n";
3000        }
3001        print "</channel></rss>";
3002}
3003
3004sub git_opml {
3005        my @list = git_get_projects_list();
3006
3007        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3008        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
3009              "<opml version=\"1.0\">\n".
3010              "<head>".
3011              "  <title>$site_name Git OPML Export</title>\n".
3012              "</head>\n".
3013              "<body>\n".
3014              "<outline text=\"git RSS feeds\">\n";
3015
3016        foreach my $pr (@list) {
3017                my %proj = %$pr;
3018                my $head = git_get_head_hash($proj{'path'});
3019                if (!defined $head) {
3020                        next;
3021                }
3022                $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
3023                my %co = parse_commit($head);
3024                if (!%co) {
3025                        next;
3026                }
3027
3028                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
3029                my $rss  = "$my_url?p=$proj{'path'};a=rss";
3030                my $html = "$my_url?p=$proj{'path'};a=summary";
3031                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
3032        }
3033        print "</outline>\n".
3034              "</body>\n".
3035              "</opml>\n";
3036}