Andrew's git - gitweb.git/blob - gitweb/gitweb.perl

   1#!/usr/bin/perl
   2
   3# gitweb - simple web interface to track changes in git repositories
   4#
   5# (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
   6# (C) 2005, Christian Gierke
   7#
   8# This program is licensed under the GPLv2
   9
  10use strict;
  11use warnings;
  12use CGI qw(:standard :escapeHTML -nosticky);
  13use CGI::Util qw(unescape);
  14use CGI::Carp qw(fatalsToBrowser);
  15use Encode;
  16use Fcntl ':mode';
  17use File::Find qw();
  18use File::Basename qw(basename);
  19binmode STDOUT, ':utf8';
  20
  21our $cgi = new CGI;
  22our $version = "++GIT_VERSION++";
  23our $my_url = $cgi->url();
  24our $my_uri = $cgi->url(-absolute => 1);
  25
  26# core git executable to use
  27# this can just be "git" if your webserver has a sensible PATH
  28our $GIT = "++GIT_BINDIR++/git";
  29
  30# absolute fs-path which will be prepended to the project path
  31#our $projectroot = "/pub/scm";
  32our $projectroot = "++GITWEB_PROJECTROOT++";
  33
  34# target of the home link on top of all pages
  35our $home_link = $my_uri || "/";
  36
  37# string of the home link on top of all pages
  38our $home_link_str = "++GITWEB_HOME_LINK_STR++";
  39
  40# name of your site or organization to appear in page titles
  41# replace this with something more descriptive for clearer bookmarks
  42our $site_name = "++GITWEB_SITENAME++" || $ENV{'SERVER_NAME'} || "Untitled";
  43
  44# filename of html text to include at top of each page
  45our $site_header = "++GITWEB_SITE_HEADER++";
  46# html text to include at home page
  47our $home_text = "++GITWEB_HOMETEXT++";
  48# filename of html text to include at bottom of each page
  49our $site_footer = "++GITWEB_SITE_FOOTER++";
  50
  51# URI of stylesheets
  52our @stylesheets = ("++GITWEB_CSS++");
  53our $stylesheet;
  54# default is not to define style sheet, but it can be overwritten later
  55undef $stylesheet;
  56
  57# URI of GIT logo
  58our $logo = "++GITWEB_LOGO++";
  59# URI of GIT favicon, assumed to be image/png type
  60our $favicon = "++GITWEB_FAVICON++";
  61
  62# source of projects list
  63our $projects_list = "++GITWEB_LIST++";
  64
  65# show repository only if this file exists
  66# (only effective if this variable evaluates to true)
  67our $export_ok = "++GITWEB_EXPORT_OK++";
  68
  69# only allow viewing of repositories also shown on the overview page
  70our $strict_export = "++GITWEB_STRICT_EXPORT++";
  71
  72# list of git base URLs used for URL to where fetch project from,
  73# i.e. full URL is "$git_base_url/$project"
  74our @git_base_url_list = ("++GITWEB_BASE_URL++");
  75
  76# default blob_plain mimetype and default charset for text/plain blob
  77our $default_blob_plain_mimetype = 'text/plain';
  78our $default_text_plain_charset  = undef;
  79
  80# file to use for guessing MIME types before trying /etc/mime.types
  81# (relative to the current git repository)
  82our $mimetypes_file = undef;
  83
  84# You define site-wide feature defaults here; override them with
  85# $GITWEB_CONFIG as necessary.
  86our %feature = (
  87        # feature => {
  88        #       'sub' => feature-sub (subroutine),
  89        #       'override' => allow-override (boolean),
  90        #       'default' => [ default options...] (array reference)}
  91        #
  92        # if feature is overridable (it means that allow-override has true value,
  93        # then feature-sub will be called with default options as parameters;
  94        # return value of feature-sub indicates if to enable specified feature
  95        #
  96        # use gitweb_check_feature(<feature>) to check if <feature> is enabled
  97
  98        'blame' => {
  99                'sub' => \&feature_blame,
 100                'override' => 0,
 101                'default' => [0]},
 102
 103        'snapshot' => {
 104                'sub' => \&feature_snapshot,
 105                'override' => 0,
 106                #         => [content-encoding, suffix, program]
 107                'default' => ['x-gzip', 'gz', 'gzip']},
 108
 109        'pickaxe' => {
 110                'sub' => \&feature_pickaxe,
 111                'override' => 0,
 112                'default' => [1]},
 113);
 114
 115sub gitweb_check_feature {
 116        my ($name) = @_;
 117        return unless exists $feature{$name};
 118        my ($sub, $override, @defaults) = (
 119                $feature{$name}{'sub'},
 120                $feature{$name}{'override'},
 121                @{$feature{$name}{'default'}});
 122        if (!$override) { return @defaults; }
 123        return $sub->(@defaults);
 124}
 125
 126# To enable system wide have in $GITWEB_CONFIG
 127# $feature{'blame'}{'default'} = [1];
 128# To have project specific config enable override in $GITWEB_CONFIG
 129# $feature{'blame'}{'override'} = 1;
 130# and in project config gitweb.blame = 0|1;
 131
 132sub feature_blame {
 133        my ($val) = git_get_project_config('blame', '--bool');
 134
 135        if ($val eq 'true') {
 136                return 1;
 137        } elsif ($val eq 'false') {
 138                return 0;
 139        }
 140
 141        return $_[0];
 142}
 143
 144# To disable system wide have in $GITWEB_CONFIG
 145# $feature{'snapshot'}{'default'} = [undef];
 146# To have project specific config enable override in $GITWEB_CONFIG
 147# $feature{'blame'}{'override'} = 1;
 148# and in project config  gitweb.snapshot = none|gzip|bzip2
 149
 150sub feature_snapshot {
 151        my ($ctype, $suffix, $command) = @_;
 152
 153        my ($val) = git_get_project_config('snapshot');
 154
 155        if ($val eq 'gzip') {
 156                return ('x-gzip', 'gz', 'gzip');
 157        } elsif ($val eq 'bzip2') {
 158                return ('x-bzip2', 'bz2', 'bzip2');
 159        } elsif ($val eq 'none') {
 160                return ();
 161        }
 162
 163        return ($ctype, $suffix, $command);
 164}
 165
 166sub gitweb_have_snapshot {
 167        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
 168        my $have_snapshot = (defined $ctype && defined $suffix);
 169
 170        return $have_snapshot;
 171}
 172
 173# To enable system wide have in $GITWEB_CONFIG
 174# $feature{'pickaxe'}{'default'} = [1];
 175# To have project specific config enable override in $GITWEB_CONFIG
 176# $feature{'pickaxe'}{'override'} = 1;
 177# and in project config gitweb.pickaxe = 0|1;
 178
 179sub feature_pickaxe {
 180        my ($val) = git_get_project_config('pickaxe', '--bool');
 181
 182        if ($val eq 'true') {
 183                return (1);
 184        } elsif ($val eq 'false') {
 185                return (0);
 186        }
 187
 188        return ($_[0]);
 189}
 190
 191# checking HEAD file with -e is fragile if the repository was
 192# initialized long time ago (i.e. symlink HEAD) and was pack-ref'ed
 193# and then pruned.
 194sub check_head_link {
 195        my ($dir) = @_;
 196        my $headfile = "$dir/HEAD";
 197        return ((-e $headfile) ||
 198                (-l $headfile && readlink($headfile) =~ /^refs\/heads\//));
 199}
 200
 201sub check_export_ok {
 202        my ($dir) = @_;
 203        return (check_head_link($dir) &&
 204                (!$export_ok || -e "$dir/$export_ok"));
 205}
 206
 207# rename detection options for git-diff and git-diff-tree
 208# - default is '-M', with the cost proportional to
 209#   (number of removed files) * (number of new files).
 210# - more costly is '-C' (or '-C', '-M'), with the cost proportional to
 211#   (number of changed files + number of removed files) * (number of new files)
 212# - even more costly is '-C', '--find-copies-harder' with cost
 213#   (number of files in the original tree) * (number of new files)
 214# - one might want to include '-B' option, e.g. '-B', '-M'
 215our @diff_opts = ('-M'); # taken from git_commit
 216
 217our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
 218do $GITWEB_CONFIG if -e $GITWEB_CONFIG;
 219
 220# version of the core git binary
 221our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
 222
 223$projects_list ||= $projectroot;
 224
 225# ======================================================================
 226# input validation and dispatch
 227our $action = $cgi->param('a');
 228if (defined $action) {
 229        if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
 230                die_error(undef, "Invalid action parameter");
 231        }
 232}
 233
 234# parameters which are pathnames
 235our $project = $cgi->param('p');
 236if (defined $project) {
 237        if (!validate_pathname($project) ||
 238            !(-d "$projectroot/$project") ||
 239            !check_head_link("$projectroot/$project") ||
 240            ($export_ok && !(-e "$projectroot/$project/$export_ok")) ||
 241            ($strict_export && !project_in_list($project))) {
 242                undef $project;
 243                die_error(undef, "No such project");
 244        }
 245}
 246
 247our $file_name = $cgi->param('f');
 248if (defined $file_name) {
 249        if (!validate_pathname($file_name)) {
 250                die_error(undef, "Invalid file parameter");
 251        }
 252}
 253
 254our $file_parent = $cgi->param('fp');
 255if (defined $file_parent) {
 256        if (!validate_pathname($file_parent)) {
 257                die_error(undef, "Invalid file parent parameter");
 258        }
 259}
 260
 261# parameters which are refnames
 262our $hash = $cgi->param('h');
 263if (defined $hash) {
 264        if (!validate_refname($hash)) {
 265                die_error(undef, "Invalid hash parameter");
 266        }
 267}
 268
 269our $hash_parent = $cgi->param('hp');
 270if (defined $hash_parent) {
 271        if (!validate_refname($hash_parent)) {
 272                die_error(undef, "Invalid hash parent parameter");
 273        }
 274}
 275
 276our $hash_base = $cgi->param('hb');
 277if (defined $hash_base) {
 278        if (!validate_refname($hash_base)) {
 279                die_error(undef, "Invalid hash base parameter");
 280        }
 281}
 282
 283our $hash_parent_base = $cgi->param('hpb');
 284if (defined $hash_parent_base) {
 285        if (!validate_refname($hash_parent_base)) {
 286                die_error(undef, "Invalid hash parent base parameter");
 287        }
 288}
 289
 290# other parameters
 291our $page = $cgi->param('pg');
 292if (defined $page) {
 293        if ($page =~ m/[^0-9]/) {
 294                die_error(undef, "Invalid page parameter");
 295        }
 296}
 297
 298our $searchtext = $cgi->param('s');
 299if (defined $searchtext) {
 300        if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 301                die_error(undef, "Invalid search parameter");
 302        }
 303        $searchtext = quotemeta $searchtext;
 304}
 305
 306# now read PATH_INFO and use it as alternative to parameters
 307sub evaluate_path_info {
 308        return if defined $project;
 309        my $path_info = $ENV{"PATH_INFO"};
 310        return if !$path_info;
 311        $path_info =~ s,^/+,,;
 312        return if !$path_info;
 313        # find which part of PATH_INFO is project
 314        $project = $path_info;
 315        $project =~ s,/+$,,;
 316        while ($project && !check_head_link("$projectroot/$project")) {
 317                $project =~ s,/*[^/]*$,,;
 318        }
 319        # validate project
 320        $project = validate_pathname($project);
 321        if (!$project ||
 322            ($export_ok && !-e "$projectroot/$project/$export_ok") ||
 323            ($strict_export && !project_in_list($project))) {
 324                undef $project;
 325                return;
 326        }
 327        # do not change any parameters if an action is given using the query string
 328        return if $action;
 329        $path_info =~ s,^$project/*,,;
 330        my ($refname, $pathname) = split(/:/, $path_info, 2);
 331        if (defined $pathname) {
 332                # we got "project.git/branch:filename" or "project.git/branch:dir/"
 333                # we could use git_get_type(branch:pathname), but it needs $git_dir
 334                $pathname =~ s,^/+,,;
 335                if (!$pathname || substr($pathname, -1) eq "/") {
 336                        $action  ||= "tree";
 337                        $pathname =~ s,/$,,;
 338                } else {
 339                        $action  ||= "blob_plain";
 340                }
 341                $hash_base ||= validate_refname($refname);
 342                $file_name ||= validate_pathname($pathname);
 343        } elsif (defined $refname) {
 344                # we got "project.git/branch"
 345                $action ||= "shortlog";
 346                $hash   ||= validate_refname($refname);
 347        }
 348}
 349evaluate_path_info();
 350
 351# path to the current git repository
 352our $git_dir;
 353$git_dir = "$projectroot/$project" if $project;
 354
 355# dispatch
 356my %actions = (
 357        "blame" => \&git_blame2,
 358        "blobdiff" => \&git_blobdiff,
 359        "blobdiff_plain" => \&git_blobdiff_plain,
 360        "blob" => \&git_blob,
 361        "blob_plain" => \&git_blob_plain,
 362        "commitdiff" => \&git_commitdiff,
 363        "commitdiff_plain" => \&git_commitdiff_plain,
 364        "commit" => \&git_commit,
 365        "heads" => \&git_heads,
 366        "history" => \&git_history,
 367        "log" => \&git_log,
 368        "rss" => \&git_rss,
 369        "search" => \&git_search,
 370        "shortlog" => \&git_shortlog,
 371        "summary" => \&git_summary,
 372        "tag" => \&git_tag,
 373        "tags" => \&git_tags,
 374        "tree" => \&git_tree,
 375        "snapshot" => \&git_snapshot,
 376        # those below don't need $project
 377        "opml" => \&git_opml,
 378        "project_list" => \&git_project_list,
 379        "project_index" => \&git_project_index,
 380);
 381
 382if (defined $project) {
 383        $action ||= 'summary';
 384} else {
 385        $action ||= 'project_list';
 386}
 387if (!defined($actions{$action})) {
 388        die_error(undef, "Unknown action");
 389}
 390if ($action !~ m/^(opml|project_list|project_index)$/ &&
 391    !$project) {
 392        die_error(undef, "Project needed");
 393}
 394$actions{$action}->();
 395exit;
 396
 397## ======================================================================
 398## action links
 399
 400sub href(%) {
 401        my %params = @_;
 402
 403        my @mapping = (
 404                project => "p",
 405                action => "a",
 406                file_name => "f",
 407                file_parent => "fp",
 408                hash => "h",
 409                hash_parent => "hp",
 410                hash_base => "hb",
 411                hash_parent_base => "hpb",
 412                page => "pg",
 413                order => "o",
 414                searchtext => "s",
 415        );
 416        my %mapping = @mapping;
 417
 418        $params{'project'} = $project unless exists $params{'project'};
 419
 420        my @result = ();
 421        for (my $i = 0; $i < @mapping; $i += 2) {
 422                my ($name, $symbol) = ($mapping[$i], $mapping[$i+1]);
 423                if (defined $params{$name}) {
 424                        push @result, $symbol . "=" . esc_param($params{$name});
 425                }
 426        }
 427        return "$my_uri?" . join(';', @result);
 428}
 429
 430
 431## ======================================================================
 432## validation, quoting/unquoting and escaping
 433
 434sub validate_pathname {
 435        my $input = shift || return undef;
 436
 437        # no '.' or '..' as elements of path, i.e. no '.' nor '..'
 438        # at the beginning, at the end, and between slashes.
 439        # also this catches doubled slashes
 440        if ($input =~ m!(^|/)(|\.|\.\.)(/|$)!) {
 441                return undef;
 442        }
 443        # no null characters
 444        if ($input =~ m!\0!) {
 445                return undef;
 446        }
 447        return $input;
 448}
 449
 450sub validate_refname {
 451        my $input = shift || return undef;
 452
 453        # textual hashes are O.K.
 454        if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 455                return $input;
 456        }
 457        # it must be correct pathname
 458        $input = validate_pathname($input)
 459                or return undef;
 460        # restrictions on ref name according to git-check-ref-format
 461        if ($input =~ m!(/\.|\.\.|[\000-\040\177 ~^:?*\[]|/$)!) {
 462                return undef;
 463        }
 464        return $input;
 465}
 466
 467# quote unsafe chars, but keep the slash, even when it's not
 468# correct, but quoted slashes look too horrible in bookmarks
 469sub esc_param {
 470        my $str = shift;
 471        $str =~ s/([^A-Za-z0-9\-_.~()\/:@])/sprintf("%%%02X", ord($1))/eg;
 472        $str =~ s/\+/%2B/g;
 473        $str =~ s/ /\+/g;
 474        return $str;
 475}
 476
 477# quote unsafe chars in whole URL, so some charactrs cannot be quoted
 478sub esc_url {
 479        my $str = shift;
 480        $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 481        $str =~ s/\+/%2B/g;
 482        $str =~ s/ /\+/g;
 483        return $str;
 484}
 485
 486# replace invalid utf8 character with SUBSTITUTION sequence
 487sub esc_html {
 488        my $str = shift;
 489        $str = decode("utf8", $str, Encode::FB_DEFAULT);
 490        $str = escapeHTML($str);
 491        $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
 492        $str =~ s/\033/^[/g; # "escape" ESCAPE (\e) character (e.g. commit 20a3847d8a5032ce41f90dcc68abfb36e6fee9b1)
 493        return $str;
 494}
 495
 496# git may return quoted and escaped filenames
 497sub unquote {
 498        my $str = shift;
 499        if ($str =~ m/^"(.*)"$/) {
 500                $str = $1;
 501                $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 502        }
 503        return $str;
 504}
 505
 506# escape tabs (convert tabs to spaces)
 507sub untabify {
 508        my $line = shift;
 509
 510        while ((my $pos = index($line, "\t")) != -1) {
 511                if (my $count = (8 - ($pos % 8))) {
 512                        my $spaces = ' ' x $count;
 513                        $line =~ s/\t/$spaces/;
 514                }
 515        }
 516
 517        return $line;
 518}
 519
 520sub project_in_list {
 521        my $project = shift;
 522        my @list = git_get_projects_list();
 523        return @list && scalar(grep { $_->{'path'} eq $project } @list);
 524}
 525
 526## ----------------------------------------------------------------------
 527## HTML aware string manipulation
 528
 529sub chop_str {
 530        my $str = shift;
 531        my $len = shift;
 532        my $add_len = shift || 10;
 533
 534        # allow only $len chars, but don't cut a word if it would fit in $add_len
 535        # if it doesn't fit, cut it if it's still longer than the dots we would add
 536        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 537        my $body = $1;
 538        my $tail = $2;
 539        if (length($tail) > 4) {
 540                $tail = " ...";
 541                $body =~ s/&[^;]*$//; # remove chopped character entities
 542        }
 543        return "$body$tail";
 544}
 545
 546## ----------------------------------------------------------------------
 547## functions returning short strings
 548
 549# CSS class for given age value (in seconds)
 550sub age_class {
 551        my $age = shift;
 552
 553        if ($age < 60*60*2) {
 554                return "age0";
 555        } elsif ($age < 60*60*24*2) {
 556                return "age1";
 557        } else {
 558                return "age2";
 559        }
 560}
 561
 562# convert age in seconds to "nn units ago" string
 563sub age_string {
 564        my $age = shift;
 565        my $age_str;
 566
 567        if ($age > 60*60*24*365*2) {
 568                $age_str = (int $age/60/60/24/365);
 569                $age_str .= " years ago";
 570        } elsif ($age > 60*60*24*(365/12)*2) {
 571                $age_str = int $age/60/60/24/(365/12);
 572                $age_str .= " months ago";
 573        } elsif ($age > 60*60*24*7*2) {
 574                $age_str = int $age/60/60/24/7;
 575                $age_str .= " weeks ago";
 576        } elsif ($age > 60*60*24*2) {
 577                $age_str = int $age/60/60/24;
 578                $age_str .= " days ago";
 579        } elsif ($age > 60*60*2) {
 580                $age_str = int $age/60/60;
 581                $age_str .= " hours ago";
 582        } elsif ($age > 60*2) {
 583                $age_str = int $age/60;
 584                $age_str .= " min ago";
 585        } elsif ($age > 2) {
 586                $age_str = int $age;
 587                $age_str .= " sec ago";
 588        } else {
 589                $age_str .= " right now";
 590        }
 591        return $age_str;
 592}
 593
 594# convert file mode in octal to symbolic file mode string
 595sub mode_str {
 596        my $mode = oct shift;
 597
 598        if (S_ISDIR($mode & S_IFMT)) {
 599                return 'drwxr-xr-x';
 600        } elsif (S_ISLNK($mode)) {
 601                return 'lrwxrwxrwx';
 602        } elsif (S_ISREG($mode)) {
 603                # git cares only about the executable bit
 604                if ($mode & S_IXUSR) {
 605                        return '-rwxr-xr-x';
 606                } else {
 607                        return '-rw-r--r--';
 608                };
 609        } else {
 610                return '----------';
 611        }
 612}
 613
 614# convert file mode in octal to file type string
 615sub file_type {
 616        my $mode = shift;
 617
 618        if ($mode !~ m/^[0-7]+$/) {
 619                return $mode;
 620        } else {
 621                $mode = oct $mode;
 622        }
 623
 624        if (S_ISDIR($mode & S_IFMT)) {
 625                return "directory";
 626        } elsif (S_ISLNK($mode)) {
 627                return "symlink";
 628        } elsif (S_ISREG($mode)) {
 629                return "file";
 630        } else {
 631                return "unknown";
 632        }
 633}
 634
 635## ----------------------------------------------------------------------
 636## functions returning short HTML fragments, or transforming HTML fragments
 637## which don't beling to other sections
 638
 639# format line of commit message or tag comment
 640sub format_log_line_html {
 641        my $line = shift;
 642
 643        $line = esc_html($line);
 644        $line =~ s/ /&nbsp;/g;
 645        if ($line =~ m/([0-9a-fA-F]{40})/) {
 646                my $hash_text = $1;
 647                if (git_get_type($hash_text) eq "commit") {
 648                        my $link =
 649                                $cgi->a({-href => href(action=>"commit", hash=>$hash_text),
 650                                        -class => "text"}, $hash_text);
 651                        $line =~ s/$hash_text/$link/;
 652                }
 653        }
 654        return $line;
 655}
 656
 657# format marker of refs pointing to given object
 658sub format_ref_marker {
 659        my ($refs, $id) = @_;
 660        my $markers = '';
 661
 662        if (defined $refs->{$id}) {
 663                foreach my $ref (@{$refs->{$id}}) {
 664                        my ($type, $name) = qw();
 665                        # e.g. tags/v2.6.11 or heads/next
 666                        if ($ref =~ m!^(.*?)s?/(.*)$!) {
 667                                $type = $1;
 668                                $name = $2;
 669                        } else {
 670                                $type = "ref";
 671                                $name = $ref;
 672                        }
 673
 674                        $markers .= " <span class=\"$type\">" . esc_html($name) . "</span>";
 675                }
 676        }
 677
 678        if ($markers) {
 679                return ' <span class="refs">'. $markers . '</span>';
 680        } else {
 681                return "";
 682        }
 683}
 684
 685# format, perhaps shortened and with markers, title line
 686sub format_subject_html {
 687        my ($long, $short, $href, $extra) = @_;
 688        $extra = '' unless defined($extra);
 689
 690        if (length($short) < length($long)) {
 691                return $cgi->a({-href => $href, -class => "list subject",
 692                                -title => decode("utf8", $long, Encode::FB_DEFAULT)},
 693                       esc_html($short) . $extra);
 694        } else {
 695                return $cgi->a({-href => $href, -class => "list subject"},
 696                       esc_html($long)  . $extra);
 697        }
 698}
 699
 700sub format_diff_line {
 701        my $line = shift;
 702        my $char = substr($line, 0, 1);
 703        my $diff_class = "";
 704
 705        chomp $line;
 706
 707        if ($char eq '+') {
 708                $diff_class = " add";
 709        } elsif ($char eq "-") {
 710                $diff_class = " rem";
 711        } elsif ($char eq "@") {
 712                $diff_class = " chunk_header";
 713        } elsif ($char eq "\\") {
 714                $diff_class = " incomplete";
 715        }
 716        $line = untabify($line);
 717        return "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
 718}
 719
 720## ----------------------------------------------------------------------
 721## git utility subroutines, invoking git commands
 722
 723# returns path to the core git executable and the --git-dir parameter as list
 724sub git_cmd {
 725        return $GIT, '--git-dir='.$git_dir;
 726}
 727
 728# returns path to the core git executable and the --git-dir parameter as string
 729sub git_cmd_str {
 730        return join(' ', git_cmd());
 731}
 732
 733# get HEAD ref of given project as hash
 734sub git_get_head_hash {
 735        my $project = shift;
 736        my $o_git_dir = $git_dir;
 737        my $retval = undef;
 738        $git_dir = "$projectroot/$project";
 739        if (open my $fd, "-|", git_cmd(), "rev-parse", "--verify", "HEAD") {
 740                my $head = <$fd>;
 741                close $fd;
 742                if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 743                        $retval = $1;
 744                }
 745        }
 746        if (defined $o_git_dir) {
 747                $git_dir = $o_git_dir;
 748        }
 749        return $retval;
 750}
 751
 752# get type of given object
 753sub git_get_type {
 754        my $hash = shift;
 755
 756        open my $fd, "-|", git_cmd(), "cat-file", '-t', $hash or return;
 757        my $type = <$fd>;
 758        close $fd or return;
 759        chomp $type;
 760        return $type;
 761}
 762
 763sub git_get_project_config {
 764        my ($key, $type) = @_;
 765
 766        return unless ($key);
 767        $key =~ s/^gitweb\.//;
 768        return if ($key =~ m/\W/);
 769
 770        my @x = (git_cmd(), 'repo-config');
 771        if (defined $type) { push @x, $type; }
 772        push @x, "--get";
 773        push @x, "gitweb.$key";
 774        my $val = qx(@x);
 775        chomp $val;
 776        return ($val);
 777}
 778
 779# get hash of given path at given ref
 780sub git_get_hash_by_path {
 781        my $base = shift;
 782        my $path = shift || return undef;
 783        my $type = shift;
 784
 785        $path =~ s,/+$,,;
 786
 787        open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path
 788                or die_error(undef, "Open git-ls-tree failed");
 789        my $line = <$fd>;
 790        close $fd or return undef;
 791
 792        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
 793        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
 794        if (defined $type && $type ne $2) {
 795                # type doesn't match
 796                return undef;
 797        }
 798        return $3;
 799}
 800
 801## ......................................................................
 802## git utility functions, directly accessing git repository
 803
 804sub git_get_project_description {
 805        my $path = shift;
 806
 807        open my $fd, "$projectroot/$path/description" or return undef;
 808        my $descr = <$fd>;
 809        close $fd;
 810        chomp $descr;
 811        return $descr;
 812}
 813
 814sub git_get_project_url_list {
 815        my $path = shift;
 816
 817        open my $fd, "$projectroot/$path/cloneurl" or return;
 818        my @git_project_url_list = map { chomp; $_ } <$fd>;
 819        close $fd;
 820
 821        return wantarray ? @git_project_url_list : \@git_project_url_list;
 822}
 823
 824sub git_get_projects_list {
 825        my @list;
 826
 827        if (-d $projects_list) {
 828                # search in directory
 829                my $dir = $projects_list;
 830                my $pfxlen = length("$dir");
 831
 832                File::Find::find({
 833                        follow_fast => 1, # follow symbolic links
 834                        dangling_symlinks => 0, # ignore dangling symlinks, silently
 835                        wanted => sub {
 836                                # skip project-list toplevel, if we get it.
 837                                return if (m!^[/.]$!);
 838                                # only directories can be git repositories
 839                                return unless (-d $_);
 840
 841                                my $subdir = substr($File::Find::name, $pfxlen + 1);
 842                                # we check related file in $projectroot
 843                                if (check_export_ok("$projectroot/$subdir")) {
 844                                        push @list, { path => $subdir };
 845                                        $File::Find::prune = 1;
 846                                }
 847                        },
 848                }, "$dir");
 849
 850        } elsif (-f $projects_list) {
 851                # read from file(url-encoded):
 852                # 'git%2Fgit.git Linus+Torvalds'
 853                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 854                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 855                open my ($fd), $projects_list or return;
 856                while (my $line = <$fd>) {
 857                        chomp $line;
 858                        my ($path, $owner) = split ' ', $line;
 859                        $path = unescape($path);
 860                        $owner = unescape($owner);
 861                        if (!defined $path) {
 862                                next;
 863                        }
 864                        if (check_export_ok("$projectroot/$path")) {
 865                                my $pr = {
 866                                        path => $path,
 867                                        owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 868                                };
 869                                push @list, $pr
 870                        }
 871                }
 872                close $fd;
 873        }
 874        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 875        return @list;
 876}
 877
 878sub git_get_project_owner {
 879        my $project = shift;
 880        my $owner;
 881
 882        return undef unless $project;
 883
 884        # read from file (url-encoded):
 885        # 'git%2Fgit.git Linus+Torvalds'
 886        # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 887        # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 888        if (-f $projects_list) {
 889                open (my $fd , $projects_list);
 890                while (my $line = <$fd>) {
 891                        chomp $line;
 892                        my ($pr, $ow) = split ' ', $line;
 893                        $pr = unescape($pr);
 894                        $ow = unescape($ow);
 895                        if ($pr eq $project) {
 896                                $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
 897                                last;
 898                        }
 899                }
 900                close $fd;
 901        }
 902        if (!defined $owner) {
 903                $owner = get_file_owner("$projectroot/$project");
 904        }
 905
 906        return $owner;
 907}
 908
 909sub git_get_references {
 910        my $type = shift || "";
 911        my %refs;
 912        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 913        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 914        open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/"
 915                or return;
 916
 917        while (my $line = <$fd>) {
 918                chomp $line;
 919                if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?[^\^]+)/) {
 920                        if (defined $refs{$1}) {
 921                                push @{$refs{$1}}, $2;
 922                        } else {
 923                                $refs{$1} = [ $2 ];
 924                        }
 925                }
 926        }
 927        close $fd or return;
 928        return \%refs;
 929}
 930
 931sub git_get_rev_name_tags {
 932        my $hash = shift || return undef;
 933
 934        open my $fd, "-|", git_cmd(), "name-rev", "--tags", $hash
 935                or return;
 936        my $name_rev = <$fd>;
 937        close $fd;
 938
 939        if ($name_rev =~ m|^$hash tags/(.*)$|) {
 940                return $1;
 941        } else {
 942                # catches also '$hash undefined' output
 943                return undef;
 944        }
 945}
 946
 947## ----------------------------------------------------------------------
 948## parse to hash functions
 949
 950sub parse_date {
 951        my $epoch = shift;
 952        my $tz = shift || "-0000";
 953
 954        my %date;
 955        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 956        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 957        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 958        $date{'hour'} = $hour;
 959        $date{'minute'} = $min;
 960        $date{'mday'} = $mday;
 961        $date{'day'} = $days[$wday];
 962        $date{'month'} = $months[$mon];
 963        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
 964                           $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 965        $date{'mday-time'} = sprintf "%d %s %02d:%02d",
 966                             $mday, $months[$mon], $hour ,$min;
 967
 968        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 969        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 970        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 971        $date{'hour_local'} = $hour;
 972        $date{'minute_local'} = $min;
 973        $date{'tz_local'} = $tz;
 974        return %date;
 975}
 976
 977sub parse_tag {
 978        my $tag_id = shift;
 979        my %tag;
 980        my @comment;
 981
 982        open my $fd, "-|", git_cmd(), "cat-file", "tag", $tag_id or return;
 983        $tag{'id'} = $tag_id;
 984        while (my $line = <$fd>) {
 985                chomp $line;
 986                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 987                        $tag{'object'} = $1;
 988                } elsif ($line =~ m/^type (.+)$/) {
 989                        $tag{'type'} = $1;
 990                } elsif ($line =~ m/^tag (.+)$/) {
 991                        $tag{'name'} = $1;
 992                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 993                        $tag{'author'} = $1;
 994                        $tag{'epoch'} = $2;
 995                        $tag{'tz'} = $3;
 996                } elsif ($line =~ m/--BEGIN/) {
 997                        push @comment, $line;
 998                        last;
 999                } elsif ($line eq "") {
1000                        last;
1001                }
1002        }
1003        push @comment, <$fd>;
1004        $tag{'comment'} = \@comment;
1005        close $fd or return;
1006        if (!defined $tag{'name'}) {
1007                return
1008        };
1009        return %tag
1010}
1011
1012sub git_get_last_activity {
1013        my ($path) = @_;
1014        my $fd;
1015
1016        $git_dir = "$projectroot/$path";
1017        open($fd, "-|", git_cmd(), 'for-each-ref',
1018             '--format=%(refname) %(committer)',
1019             '--sort=-committerdate',
1020             'refs/heads') or return;
1021        my $most_recent = <$fd>;
1022        close $fd or return;
1023        if ($most_recent =~ / (\d+) [-+][01]\d\d\d$/) {
1024                my $timestamp = $1;
1025                my $age = time - $timestamp;
1026                return ($age, age_string($age));
1027        }
1028}
1029
1030sub parse_commit {
1031        my $commit_id = shift;
1032        my $commit_text = shift;
1033
1034        my @commit_lines;
1035        my %co;
1036
1037        if (defined $commit_text) {
1038                @commit_lines = @$commit_text;
1039        } else {
1040                $/ = "\0";
1041                open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", "--max-count=1", $commit_id
1042                        or return;
1043                @commit_lines = split '\n', <$fd>;
1044                close $fd or return;
1045                $/ = "\n";
1046                pop @commit_lines;
1047        }
1048        my $header = shift @commit_lines;
1049        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
1050                return;
1051        }
1052        ($co{'id'}, my @parents) = split ' ', $header;
1053        $co{'parents'} = \@parents;
1054        $co{'parent'} = $parents[0];
1055        while (my $line = shift @commit_lines) {
1056                last if $line eq "\n";
1057                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
1058                        $co{'tree'} = $1;
1059                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
1060                        $co{'author'} = $1;
1061                        $co{'author_epoch'} = $2;
1062                        $co{'author_tz'} = $3;
1063                        if ($co{'author'} =~ m/^([^<]+) </) {
1064                                $co{'author_name'} = $1;
1065                        } else {
1066                                $co{'author_name'} = $co{'author'};
1067                        }
1068                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
1069                        $co{'committer'} = $1;
1070                        $co{'committer_epoch'} = $2;
1071                        $co{'committer_tz'} = $3;
1072                        $co{'committer_name'} = $co{'committer'};
1073                        $co{'committer_name'} =~ s/ <.*//;
1074                }
1075        }
1076        if (!defined $co{'tree'}) {
1077                return;
1078        };
1079
1080        foreach my $title (@commit_lines) {
1081                $title =~ s/^    //;
1082                if ($title ne "") {
1083                        $co{'title'} = chop_str($title, 80, 5);
1084                        # remove leading stuff of merges to make the interesting part visible
1085                        if (length($title) > 50) {
1086                                $title =~ s/^Automatic //;
1087                                $title =~ s/^merge (of|with) /Merge ... /i;
1088                                if (length($title) > 50) {
1089                                        $title =~ s/(http|rsync):\/\///;
1090                                }
1091                                if (length($title) > 50) {
1092                                        $title =~ s/(master|www|rsync)\.//;
1093                                }
1094                                if (length($title) > 50) {
1095                                        $title =~ s/kernel.org:?//;
1096                                }
1097                                if (length($title) > 50) {
1098                                        $title =~ s/\/pub\/scm//;
1099                                }
1100                        }
1101                        $co{'title_short'} = chop_str($title, 50, 5);
1102                        last;
1103                }
1104        }
1105        # remove added spaces
1106        foreach my $line (@commit_lines) {
1107                $line =~ s/^    //;
1108        }
1109        $co{'comment'} = \@commit_lines;
1110
1111        my $age = time - $co{'committer_epoch'};
1112        $co{'age'} = $age;
1113        $co{'age_string'} = age_string($age);
1114        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
1115        if ($age > 60*60*24*7*2) {
1116                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
1117                $co{'age_string_age'} = $co{'age_string'};
1118        } else {
1119                $co{'age_string_date'} = $co{'age_string'};
1120                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
1121        }
1122        return %co;
1123}
1124
1125# parse ref from ref_file, given by ref_id, with given type
1126sub parse_ref {
1127        my $ref_file = shift;
1128        my $ref_id = shift;
1129        my $type = shift || git_get_type($ref_id);
1130        my %ref_item;
1131
1132        $ref_item{'type'} = $type;
1133        $ref_item{'id'} = $ref_id;
1134        $ref_item{'epoch'} = 0;
1135        $ref_item{'age'} = "unknown";
1136        if ($type eq "tag") {
1137                my %tag = parse_tag($ref_id);
1138                $ref_item{'comment'} = $tag{'comment'};
1139                if ($tag{'type'} eq "commit") {
1140                        my %co = parse_commit($tag{'object'});
1141                        $ref_item{'epoch'} = $co{'committer_epoch'};
1142                        $ref_item{'age'} = $co{'age_string'};
1143                } elsif (defined($tag{'epoch'})) {
1144                        my $age = time - $tag{'epoch'};
1145                        $ref_item{'epoch'} = $tag{'epoch'};
1146                        $ref_item{'age'} = age_string($age);
1147                }
1148                $ref_item{'reftype'} = $tag{'type'};
1149                $ref_item{'name'} = $tag{'name'};
1150                $ref_item{'refid'} = $tag{'object'};
1151        } elsif ($type eq "commit"){
1152                my %co = parse_commit($ref_id);
1153                $ref_item{'reftype'} = "commit";
1154                $ref_item{'name'} = $ref_file;
1155                $ref_item{'title'} = $co{'title'};
1156                $ref_item{'refid'} = $ref_id;
1157                $ref_item{'epoch'} = $co{'committer_epoch'};
1158                $ref_item{'age'} = $co{'age_string'};
1159        } else {
1160                $ref_item{'reftype'} = $type;
1161                $ref_item{'name'} = $ref_file;
1162                $ref_item{'refid'} = $ref_id;
1163        }
1164
1165        return %ref_item;
1166}
1167
1168# parse line of git-diff-tree "raw" output
1169sub parse_difftree_raw_line {
1170        my $line = shift;
1171        my %res;
1172
1173        # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M   ls-files.c'
1174        # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M   rev-tree.c'
1175        if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
1176                $res{'from_mode'} = $1;
1177                $res{'to_mode'} = $2;
1178                $res{'from_id'} = $3;
1179                $res{'to_id'} = $4;
1180                $res{'status'} = $5;
1181                $res{'similarity'} = $6;
1182                if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
1183                        ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
1184                } else {
1185                        $res{'file'} = unquote($7);
1186                }
1187        }
1188        # 'c512b523472485aef4fff9e57b229d9d243c967f'
1189        elsif ($line =~ m/^([0-9a-fA-F]{40})$/) {
1190                $res{'commit'} = $1;
1191        }
1192
1193        return wantarray ? %res : \%res;
1194}
1195
1196# parse line of git-ls-tree output
1197sub parse_ls_tree_line ($;%) {
1198        my $line = shift;
1199        my %opts = @_;
1200        my %res;
1201
1202        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
1203        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1204
1205        $res{'mode'} = $1;
1206        $res{'type'} = $2;
1207        $res{'hash'} = $3;
1208        if ($opts{'-z'}) {
1209                $res{'name'} = $4;
1210        } else {
1211                $res{'name'} = unquote($4);
1212        }
1213
1214        return wantarray ? %res : \%res;
1215}
1216
1217## ......................................................................
1218## parse to array of hashes functions
1219
1220sub git_get_refs_list {
1221        my $type = shift || "";
1222        my %refs;
1223        my @reflist;
1224
1225        my @refs;
1226        open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/"
1227                or return;
1228        while (my $line = <$fd>) {
1229                chomp $line;
1230                if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?([^\^]+))(\^\{\})?$/) {
1231                        if (defined $refs{$1}) {
1232                                push @{$refs{$1}}, $2;
1233                        } else {
1234                                $refs{$1} = [ $2 ];
1235                        }
1236
1237                        if (! $4) { # unpeeled, direct reference
1238                                push @refs, { hash => $1, name => $3 }; # without type
1239                        } elsif ($3 eq $refs[-1]{'name'}) {
1240                                # most likely a tag is followed by its peeled
1241                                # (deref) one, and when that happens we know the
1242                                # previous one was of type 'tag'.
1243                                $refs[-1]{'type'} = "tag";
1244                        }
1245                }
1246        }
1247        close $fd;
1248
1249        foreach my $ref (@refs) {
1250                my $ref_file = $ref->{'name'};
1251                my $ref_id   = $ref->{'hash'};
1252
1253                my $type = $ref->{'type'} || git_get_type($ref_id) || next;
1254                my %ref_item = parse_ref($ref_file, $ref_id, $type);
1255
1256                push @reflist, \%ref_item;
1257        }
1258        # sort refs by age
1259        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1260        return (\@reflist, \%refs);
1261}
1262
1263## ----------------------------------------------------------------------
1264## filesystem-related functions
1265
1266sub get_file_owner {
1267        my $path = shift;
1268
1269        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
1270        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
1271        if (!defined $gcos) {
1272                return undef;
1273        }
1274        my $owner = $gcos;
1275        $owner =~ s/[,;].*$//;
1276        return decode("utf8", $owner, Encode::FB_DEFAULT);
1277}
1278
1279## ......................................................................
1280## mimetype related functions
1281
1282sub mimetype_guess_file {
1283        my $filename = shift;
1284        my $mimemap = shift;
1285        -r $mimemap or return undef;
1286
1287        my %mimemap;
1288        open(MIME, $mimemap) or return undef;
1289        while (<MIME>) {
1290                next if m/^#/; # skip comments
1291                my ($mime, $exts) = split(/\t+/);
1292                if (defined $exts) {
1293                        my @exts = split(/\s+/, $exts);
1294                        foreach my $ext (@exts) {
1295                                $mimemap{$ext} = $mime;
1296                        }
1297                }
1298        }
1299        close(MIME);
1300
1301        $filename =~ /\.([^.]*)$/;
1302        return $mimemap{$1};
1303}
1304
1305sub mimetype_guess {
1306        my $filename = shift;
1307        my $mime;
1308        $filename =~ /\./ or return undef;
1309
1310        if ($mimetypes_file) {
1311                my $file = $mimetypes_file;
1312                if ($file !~ m!^/!) { # if it is relative path
1313                        # it is relative to project
1314                        $file = "$projectroot/$project/$file";
1315                }
1316                $mime = mimetype_guess_file($filename, $file);
1317        }
1318        $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1319        return $mime;
1320}
1321
1322sub blob_mimetype {
1323        my $fd = shift;
1324        my $filename = shift;
1325
1326        if ($filename) {
1327                my $mime = mimetype_guess($filename);
1328                $mime and return $mime;
1329        }
1330
1331        # just in case
1332        return $default_blob_plain_mimetype unless $fd;
1333
1334        if (-T $fd) {
1335                return 'text/plain' .
1336                       ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1337        } elsif (! $filename) {
1338                return 'application/octet-stream';
1339        } elsif ($filename =~ m/\.png$/i) {
1340                return 'image/png';
1341        } elsif ($filename =~ m/\.gif$/i) {
1342                return 'image/gif';
1343        } elsif ($filename =~ m/\.jpe?g$/i) {
1344                return 'image/jpeg';
1345        } else {
1346                return 'application/octet-stream';
1347        }
1348}
1349
1350## ======================================================================
1351## functions printing HTML: header, footer, error page
1352
1353sub git_header_html {
1354        my $status = shift || "200 OK";
1355        my $expires = shift;
1356
1357        my $title = "$site_name git";
1358        if (defined $project) {
1359                $title .= " - $project";
1360                if (defined $action) {
1361                        $title .= "/$action";
1362                        if (defined $file_name) {
1363                                $title .= " - " . esc_html($file_name);
1364                                if ($action eq "tree" && $file_name !~ m|/$|) {
1365                                        $title .= "/";
1366                                }
1367                        }
1368                }
1369        }
1370        my $content_type;
1371        # require explicit support from the UA if we are to send the page as
1372        # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
1373        # we have to do this because MSIE sometimes globs '*/*', pretending to
1374        # support xhtml+xml but choking when it gets what it asked for.
1375        if (defined $cgi->http('HTTP_ACCEPT') &&
1376            $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ &&
1377            $cgi->Accept('application/xhtml+xml') != 0) {
1378                $content_type = 'application/xhtml+xml';
1379        } else {
1380                $content_type = 'text/html';
1381        }
1382        print $cgi->header(-type=>$content_type, -charset => 'utf-8',
1383                           -status=> $status, -expires => $expires);
1384        print <<EOF;
1385<?xml version="1.0" encoding="utf-8"?>
1386<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
1387<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
1388<!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
1389<!-- git core binaries version $git_version -->
1390<head>
1391<meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
1392<meta name="generator" content="gitweb/$version git/$git_version"/>
1393<meta name="robots" content="index, nofollow"/>
1394<title>$title</title>
1395EOF
1396# print out each stylesheet that exist
1397        if (defined $stylesheet) {
1398#provides backwards capability for those people who define style sheet in a config file
1399                print '<link rel="stylesheet" type="text/css" href="'.$stylesheet.'"/>'."\n";
1400        } else {
1401                foreach my $stylesheet (@stylesheets) {
1402                        next unless $stylesheet;
1403                        print '<link rel="stylesheet" type="text/css" href="'.$stylesheet.'"/>'."\n";
1404                }
1405        }
1406        if (defined $project) {
1407                printf('<link rel="alternate" title="%s log" '.
1408                       'href="%s" type="application/rss+xml"/>'."\n",
1409                       esc_param($project), href(action=>"rss"));
1410        } else {
1411                printf('<link rel="alternate" title="%s projects list" '.
1412                       'href="%s" type="text/plain; charset=utf-8"/>'."\n",
1413                       $site_name, href(project=>undef, action=>"project_index"));
1414                printf('<link rel="alternate" title="%s projects logs" '.
1415                       'href="%s" type="text/x-opml"/>'."\n",
1416                       $site_name, href(project=>undef, action=>"opml"));
1417        }
1418        if (defined $favicon) {
1419                print qq(<link rel="shortcut icon" href="$favicon" type="image/png"/>\n);
1420        }
1421
1422        print "</head>\n" .
1423              "<body>\n";
1424
1425        if (-f $site_header) {
1426                open (my $fd, $site_header);
1427                print <$fd>;
1428                close $fd;
1429        }
1430
1431        print "<div class=\"page_header\">\n" .
1432              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
1433              "<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
1434              "</a>\n";
1435        print $cgi->a({-href => esc_url($home_link)}, $home_link_str) . " / ";
1436        if (defined $project) {
1437                print $cgi->a({-href => href(action=>"summary")}, esc_html($project));
1438                if (defined $action) {
1439                        print " / $action";
1440                }
1441                print "\n";
1442                if (!defined $searchtext) {
1443                        $searchtext = "";
1444                }
1445                my $search_hash;
1446                if (defined $hash_base) {
1447                        $search_hash = $hash_base;
1448                } elsif (defined $hash) {
1449                        $search_hash = $hash;
1450                } else {
1451                        $search_hash = "HEAD";
1452                }
1453                $cgi->param("a", "search");
1454                $cgi->param("h", $search_hash);
1455                print $cgi->startform(-method => "get", -action => $my_uri) .
1456                      "<div class=\"search\">\n" .
1457                      $cgi->hidden(-name => "p") . "\n" .
1458                      $cgi->hidden(-name => "a") . "\n" .
1459                      $cgi->hidden(-name => "h") . "\n" .
1460                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
1461                      "</div>" .
1462                      $cgi->end_form() . "\n";
1463        }
1464        print "</div>\n";
1465}
1466
1467sub git_footer_html {
1468        print "<div class=\"page_footer\">\n";
1469        if (defined $project) {
1470                my $descr = git_get_project_description($project);
1471                if (defined $descr) {
1472                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
1473                }
1474                print $cgi->a({-href => href(action=>"rss"),
1475                              -class => "rss_logo"}, "RSS") . "\n";
1476        } else {
1477                print $cgi->a({-href => href(project=>undef, action=>"opml"),
1478                              -class => "rss_logo"}, "OPML") . " ";
1479                print $cgi->a({-href => href(project=>undef, action=>"project_index"),
1480                              -class => "rss_logo"}, "TXT") . "\n";
1481        }
1482        print "</div>\n" ;
1483
1484        if (-f $site_footer) {
1485                open (my $fd, $site_footer);
1486                print <$fd>;
1487                close $fd;
1488        }
1489
1490        print "</body>\n" .
1491              "</html>";
1492}
1493
1494sub die_error {
1495        my $status = shift || "403 Forbidden";
1496        my $error = shift || "Malformed query, file missing or permission denied";
1497
1498        git_header_html($status);
1499        print <<EOF;
1500<div class="page_body">
1501<br /><br />
1502$status - $error
1503<br />
1504</div>
1505EOF
1506        git_footer_html();
1507        exit;
1508}
1509
1510## ----------------------------------------------------------------------
1511## functions printing or outputting HTML: navigation
1512
1513sub git_print_page_nav {
1514        my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
1515        $extra = '' if !defined $extra; # pager or formats
1516
1517        my @navs = qw(summary shortlog log commit commitdiff tree);
1518        if ($suppress) {
1519                @navs = grep { $_ ne $suppress } @navs;
1520        }
1521
1522        my %arg = map { $_ => {action=>$_} } @navs;
1523        if (defined $head) {
1524                for (qw(commit commitdiff)) {
1525                        $arg{$_}{hash} = $head;
1526                }
1527                if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
1528                        for (qw(shortlog log)) {
1529                                $arg{$_}{hash} = $head;
1530                        }
1531                }
1532        }
1533        $arg{tree}{hash} = $treehead if defined $treehead;
1534        $arg{tree}{hash_base} = $treebase if defined $treebase;
1535
1536        print "<div class=\"page_nav\">\n" .
1537                (join " | ",
1538                 map { $_ eq $current ?
1539                       $_ : $cgi->a({-href => href(%{$arg{$_}})}, "$_")
1540                 } @navs);
1541        print "<br/>\n$extra<br/>\n" .
1542              "</div>\n";
1543}
1544
1545sub format_paging_nav {
1546        my ($action, $hash, $head, $page, $nrevs) = @_;
1547        my $paging_nav;
1548
1549
1550        if ($hash ne $head || $page) {
1551                $paging_nav .= $cgi->a({-href => href(action=>$action)}, "HEAD");
1552        } else {
1553                $paging_nav .= "HEAD";
1554        }
1555
1556        if ($page > 0) {
1557                $paging_nav .= " &sdot; " .
1558                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page-1),
1559                                 -accesskey => "p", -title => "Alt-p"}, "prev");
1560        } else {
1561                $paging_nav .= " &sdot; prev";
1562        }
1563
1564        if ($nrevs >= (100 * ($page+1)-1)) {
1565                $paging_nav .= " &sdot; " .
1566                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page+1),
1567                                 -accesskey => "n", -title => "Alt-n"}, "next");
1568        } else {
1569                $paging_nav .= " &sdot; next";
1570        }
1571
1572        return $paging_nav;
1573}
1574
1575## ......................................................................
1576## functions printing or outputting HTML: div
1577
1578sub git_print_header_div {
1579        my ($action, $title, $hash, $hash_base) = @_;
1580        my %args = ();
1581
1582        $args{action} = $action;
1583        $args{hash} = $hash if $hash;
1584        $args{hash_base} = $hash_base if $hash_base;
1585
1586        print "<div class=\"header\">\n" .
1587              $cgi->a({-href => href(%args), -class => "title"},
1588              $title ? $title : $action) .
1589              "\n</div>\n";
1590}
1591
1592#sub git_print_authorship (\%) {
1593sub git_print_authorship {
1594        my $co = shift;
1595
1596        my %ad = parse_date($co->{'author_epoch'}, $co->{'author_tz'});
1597        print "<div class=\"author_date\">" .
1598              esc_html($co->{'author_name'}) .
1599              " [$ad{'rfc2822'}";
1600        if ($ad{'hour_local'} < 6) {
1601                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
1602                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1603        } else {
1604                printf(" (%02d:%02d %s)",
1605                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1606        }
1607        print "]</div>\n";
1608}
1609
1610sub git_print_page_path {
1611        my $name = shift;
1612        my $type = shift;
1613        my $hb = shift;
1614
1615        if (!defined $name) {
1616                print "<div class=\"page_path\">/</div>\n";
1617        } else {
1618                my @dirname = split '/', $name;
1619                my $basename = pop @dirname;
1620                my $fullname = '';
1621
1622                print "<div class=\"page_path\">";
1623                print $cgi->a({-href => href(action=>"tree", hash_base=>$hb),
1624                              -title => 'tree root'}, "[$project]");
1625                print " / ";
1626                foreach my $dir (@dirname) {
1627                        $fullname .= ($fullname ? '/' : '') . $dir;
1628                        print $cgi->a({-href => href(action=>"tree", file_name=>$fullname,
1629                                                     hash_base=>$hb),
1630                                      -title => $fullname}, esc_html($dir));
1631                        print " / ";
1632                }
1633                if (defined $type && $type eq 'blob') {
1634                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
1635                                                     hash_base=>$hb),
1636                                      -title => $name}, esc_html($basename));
1637                } elsif (defined $type && $type eq 'tree') {
1638                        print $cgi->a({-href => href(action=>"tree", file_name=>$file_name,
1639                                                     hash_base=>$hb),
1640                                      -title => $name}, esc_html($basename));
1641                } else {
1642                        print esc_html($basename);
1643                }
1644                print "<br/></div>\n";
1645        }
1646}
1647
1648# sub git_print_log (\@;%) {
1649sub git_print_log ($;%) {
1650        my $log = shift;
1651        my %opts = @_;
1652
1653        if ($opts{'-remove_title'}) {
1654                # remove title, i.e. first line of log
1655                shift @$log;
1656        }
1657        # remove leading empty lines
1658        while (defined $log->[0] && $log->[0] eq "") {
1659                shift @$log;
1660        }
1661
1662        # print log
1663        my $signoff = 0;
1664        my $empty = 0;
1665        foreach my $line (@$log) {
1666                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1667                        $signoff = 1;
1668                        $empty = 0;
1669                        if (! $opts{'-remove_signoff'}) {
1670                                print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1671                                next;
1672                        } else {
1673                                # remove signoff lines
1674                                next;
1675                        }
1676                } else {
1677                        $signoff = 0;
1678                }
1679
1680                # print only one empty line
1681                # do not print empty line after signoff
1682                if ($line eq "") {
1683                        next if ($empty || $signoff);
1684                        $empty = 1;
1685                } else {
1686                        $empty = 0;
1687                }
1688
1689                print format_log_line_html($line) . "<br/>\n";
1690        }
1691
1692        if ($opts{'-final_empty_line'}) {
1693                # end with single empty line
1694                print "<br/>\n" unless $empty;
1695        }
1696}
1697
1698sub git_print_simplified_log {
1699        my $log = shift;
1700        my $remove_title = shift;
1701
1702        git_print_log($log,
1703                -final_empty_line=> 1,
1704                -remove_title => $remove_title);
1705}
1706
1707# print tree entry (row of git_tree), but without encompassing <tr> element
1708sub git_print_tree_entry {
1709        my ($t, $basedir, $hash_base, $have_blame) = @_;
1710
1711        my %base_key = ();
1712        $base_key{hash_base} = $hash_base if defined $hash_base;
1713
1714        # The format of a table row is: mode list link.  Where mode is
1715        # the mode of the entry, list is the name of the entry, an href,
1716        # and link is the action links of the entry.
1717
1718        print "<td class=\"mode\">" . mode_str($t->{'mode'}) . "</td>\n";
1719        if ($t->{'type'} eq "blob") {
1720                print "<td class=\"list\">" .
1721                        $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
1722                                               file_name=>"$basedir$t->{'name'}", %base_key),
1723                                 -class => "list"}, esc_html($t->{'name'})) . "</td>\n";
1724                print "<td class=\"link\">";
1725                if ($have_blame) {
1726                        print $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
1727                                                     file_name=>"$basedir$t->{'name'}", %base_key)},
1728                                      "blame");
1729                }
1730                if (defined $hash_base) {
1731                        if ($have_blame) {
1732                                print " | ";
1733                        }
1734                        print $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
1735                                                     hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
1736                                      "history");
1737                }
1738                print " | " .
1739                        $cgi->a({-href => href(action=>"blob_plain", hash_base=>$hash_base,
1740                                               file_name=>"$basedir$t->{'name'}")},
1741                                "raw");
1742                print "</td>\n";
1743
1744        } elsif ($t->{'type'} eq "tree") {
1745                print "<td class=\"list\">";
1746                print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
1747                                             file_name=>"$basedir$t->{'name'}", %base_key)},
1748                              esc_html($t->{'name'}));
1749                print "</td>\n";
1750                print "<td class=\"link\">";
1751                if (defined $hash_base) {
1752                        print $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
1753                                                     file_name=>"$basedir$t->{'name'}")},
1754                                      "history");
1755                }
1756                print "</td>\n";
1757        }
1758}
1759
1760## ......................................................................
1761## functions printing large fragments of HTML
1762
1763sub git_difftree_body {
1764        my ($difftree, $hash, $parent) = @_;
1765
1766        print "<div class=\"list_head\">\n";
1767        if ($#{$difftree} > 10) {
1768                print(($#{$difftree} + 1) . " files changed:\n");
1769        }
1770        print "</div>\n";
1771
1772        print "<table class=\"diff_tree\">\n";
1773        my $alternate = 1;
1774        my $patchno = 0;
1775        foreach my $line (@{$difftree}) {
1776                my %diff = parse_difftree_raw_line($line);
1777
1778                if ($alternate) {
1779                        print "<tr class=\"dark\">\n";
1780                } else {
1781                        print "<tr class=\"light\">\n";
1782                }
1783                $alternate ^= 1;
1784
1785                my ($to_mode_oct, $to_mode_str, $to_file_type);
1786                my ($from_mode_oct, $from_mode_str, $from_file_type);
1787                if ($diff{'to_mode'} ne ('0' x 6)) {
1788                        $to_mode_oct = oct $diff{'to_mode'};
1789                        if (S_ISREG($to_mode_oct)) { # only for regular file
1790                                $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
1791                        }
1792                        $to_file_type = file_type($diff{'to_mode'});
1793                }
1794                if ($diff{'from_mode'} ne ('0' x 6)) {
1795                        $from_mode_oct = oct $diff{'from_mode'};
1796                        if (S_ISREG($to_mode_oct)) { # only for regular file
1797                                $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
1798                        }
1799                        $from_file_type = file_type($diff{'from_mode'});
1800                }
1801
1802                if ($diff{'status'} eq "A") { # created
1803                        my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
1804                        $mode_chng   .= " with mode: $to_mode_str" if $to_mode_str;
1805                        $mode_chng   .= "]</span>";
1806                        print "<td>";
1807                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1808                                                     hash_base=>$hash, file_name=>$diff{'file'}),
1809                                       -class => "list"}, esc_html($diff{'file'}));
1810                        print "</td>\n";
1811                        print "<td>$mode_chng</td>\n";
1812                        print "<td class=\"link\">";
1813                        if ($action eq 'commitdiff') {
1814                                # link to patch
1815                                $patchno++;
1816                                print $cgi->a({-href => "#patch$patchno"}, "patch");
1817                        }
1818                        print "</td>\n";
1819
1820                } elsif ($diff{'status'} eq "D") { # deleted
1821                        my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
1822                        print "<td>";
1823                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1824                                                     hash_base=>$parent, file_name=>$diff{'file'}),
1825                                       -class => "list"}, esc_html($diff{'file'}));
1826                        print "</td>\n";
1827                        print "<td>$mode_chng</td>\n";
1828                        print "<td class=\"link\">";
1829                        if ($action eq 'commitdiff') {
1830                                # link to patch
1831                                $patchno++;
1832                                print $cgi->a({-href => "#patch$patchno"}, "patch");
1833                                print " | ";
1834                        }
1835                        print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
1836                                                     file_name=>$diff{'file'})},
1837                                      "blame") . " | ";
1838                        print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
1839                                                     file_name=>$diff{'file'})},
1840                                      "history");
1841                        print "</td>\n";
1842
1843                } elsif ($diff{'status'} eq "M" || $diff{'status'} eq "T") { # modified, or type changed
1844                        my $mode_chnge = "";
1845                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1846                                $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
1847                                if ($from_file_type != $to_file_type) {
1848                                        $mode_chnge .= " from $from_file_type to $to_file_type";
1849                                }
1850                                if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
1851                                        if ($from_mode_str && $to_mode_str) {
1852                                                $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
1853                                        } elsif ($to_mode_str) {
1854                                                $mode_chnge .= " mode: $to_mode_str";
1855                                        }
1856                                }
1857                                $mode_chnge .= "]</span>\n";
1858                        }
1859                        print "<td>";
1860                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1861                                                     hash_base=>$hash, file_name=>$diff{'file'}),
1862                                       -class => "list"}, esc_html($diff{'file'}));
1863                        print "</td>\n";
1864                        print "<td>$mode_chnge</td>\n";
1865                        print "<td class=\"link\">";
1866                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1867                                if ($action eq 'commitdiff') {
1868                                        # link to patch
1869                                        $patchno++;
1870                                        print $cgi->a({-href => "#patch$patchno"}, "patch");
1871                                } else {
1872                                        print $cgi->a({-href => href(action=>"blobdiff",
1873                                                                     hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1874                                                                     hash_base=>$hash, hash_parent_base=>$parent,
1875                                                                     file_name=>$diff{'file'})},
1876                                                      "diff");
1877                                }
1878                                print " | ";
1879                        }
1880                        print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
1881                                                     file_name=>$diff{'file'})},
1882                                      "blame") . " | ";
1883                        print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
1884                                                     file_name=>$diff{'file'})},
1885                                      "history");
1886                        print "</td>\n";
1887
1888                } elsif ($diff{'status'} eq "R" || $diff{'status'} eq "C") { # renamed or copied
1889                        my %status_name = ('R' => 'moved', 'C' => 'copied');
1890                        my $nstatus = $status_name{$diff{'status'}};
1891                        my $mode_chng = "";
1892                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1893                                # mode also for directories, so we cannot use $to_mode_str
1894                                $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
1895                        }
1896                        print "<td>" .
1897                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1898                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'}),
1899                                      -class => "list"}, esc_html($diff{'to_file'})) . "</td>\n" .
1900                              "<td><span class=\"file_status $nstatus\">[$nstatus from " .
1901                              $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
1902                                                     hash=>$diff{'from_id'}, file_name=>$diff{'from_file'}),
1903                                      -class => "list"}, esc_html($diff{'from_file'})) .
1904                              " with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
1905                              "<td class=\"link\">";
1906                        if ($diff{'to_id'} ne $diff{'from_id'}) {
1907                                if ($action eq 'commitdiff') {
1908                                        # link to patch
1909                                        $patchno++;
1910                                        print $cgi->a({-href => "#patch$patchno"}, "patch");
1911                                } else {
1912                                        print $cgi->a({-href => href(action=>"blobdiff",
1913                                                                     hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1914                                                                     hash_base=>$hash, hash_parent_base=>$parent,
1915                                                                     file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
1916                                                      "diff");
1917                                }
1918                                print " | ";
1919                        }
1920                        print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
1921                                                     file_name=>$diff{'from_file'})},
1922                                      "blame") . " | ";
1923                        print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
1924                                                     file_name=>$diff{'from_file'})},
1925                                      "history");
1926                        print "</td>\n";
1927
1928                } # we should not encounter Unmerged (U) or Unknown (X) status
1929                print "</tr>\n";
1930        }
1931        print "</table>\n";
1932}
1933
1934sub git_patchset_body {
1935        my ($fd, $difftree, $hash, $hash_parent) = @_;
1936
1937        my $patch_idx = 0;
1938        my $in_header = 0;
1939        my $patch_found = 0;
1940        my $diffinfo;
1941
1942        print "<div class=\"patchset\">\n";
1943
1944        LINE:
1945        while (my $patch_line = <$fd>) {
1946                chomp $patch_line;
1947
1948                if ($patch_line =~ m/^diff /) { # "git diff" header
1949                        # beginning of patch (in patchset)
1950                        if ($patch_found) {
1951                                # close previous patch
1952                                print "</div>\n"; # class="patch"
1953                        } else {
1954                                # first patch in patchset
1955                                $patch_found = 1;
1956                        }
1957                        print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n";
1958
1959                        if (ref($difftree->[$patch_idx]) eq "HASH") {
1960                                $diffinfo = $difftree->[$patch_idx];
1961                        } else {
1962                                $diffinfo = parse_difftree_raw_line($difftree->[$patch_idx]);
1963                        }
1964                        $patch_idx++;
1965
1966                        # for now, no extended header, hence we skip empty patches
1967                        # companion to  next LINE if $in_header;
1968                        if ($diffinfo->{'from_id'} eq $diffinfo->{'to_id'}) { # no change
1969                                $in_header = 1;
1970                                next LINE;
1971                        }
1972
1973                        if ($diffinfo->{'status'} eq "A") { # added
1974                                print "<div class=\"diff_info\">" . file_type($diffinfo->{'to_mode'}) . ":" .
1975                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1976                                                             hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
1977                                              $diffinfo->{'to_id'}) . "(new)" .
1978                                      "</div>\n"; # class="diff_info"
1979
1980                        } elsif ($diffinfo->{'status'} eq "D") { # deleted
1981                                print "<div class=\"diff_info\">" . file_type($diffinfo->{'from_mode'}) . ":" .
1982                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1983                                                             hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
1984                                              $diffinfo->{'from_id'}) . "(deleted)" .
1985                                      "</div>\n"; # class="diff_info"
1986
1987                        } elsif ($diffinfo->{'status'} eq "R" || # renamed
1988                                 $diffinfo->{'status'} eq "C" || # copied
1989                                 $diffinfo->{'status'} eq "2") { # with two filenames (from git_blobdiff)
1990                                print "<div class=\"diff_info\">" .
1991                                      file_type($diffinfo->{'from_mode'}) . ":" .
1992                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1993                                                             hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'from_file'})},
1994                                              $diffinfo->{'from_id'}) .
1995                                      " -> " .
1996                                      file_type($diffinfo->{'to_mode'}) . ":" .
1997                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1998                                                             hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'to_file'})},
1999                                              $diffinfo->{'to_id'});
2000                                print "</div>\n"; # class="diff_info"
2001
2002                        } else { # modified, mode changed, ...
2003                                print "<div class=\"diff_info\">" .
2004                                      file_type($diffinfo->{'from_mode'}) . ":" .
2005                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2006                                                             hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
2007                                              $diffinfo->{'from_id'}) .
2008                                      " -> " .
2009                                      file_type($diffinfo->{'to_mode'}) . ":" .
2010                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2011                                                             hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
2012                                              $diffinfo->{'to_id'});
2013                                print "</div>\n"; # class="diff_info"
2014                        }
2015
2016                        #print "<div class=\"diff extended_header\">\n";
2017                        $in_header = 1;
2018                        next LINE;
2019                } # start of patch in patchset
2020
2021
2022                if ($in_header && $patch_line =~ m/^---/) {
2023                        #print "</div>\n"; # class="diff extended_header"
2024                        $in_header = 0;
2025
2026                        my $file = $diffinfo->{'from_file'};
2027                        $file  ||= $diffinfo->{'file'};
2028                        $file = $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2029                                                       hash=>$diffinfo->{'from_id'}, file_name=>$file),
2030                                        -class => "list"}, esc_html($file));
2031                        $patch_line =~ s|a/.*$|a/$file|g;
2032                        print "<div class=\"diff from_file\">$patch_line</div>\n";
2033
2034                        $patch_line = <$fd>;
2035                        chomp $patch_line;
2036
2037                        #$patch_line =~ m/^+++/;
2038                        $file    = $diffinfo->{'to_file'};
2039                        $file  ||= $diffinfo->{'file'};
2040                        $file = $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2041                                                       hash=>$diffinfo->{'to_id'}, file_name=>$file),
2042                                        -class => "list"}, esc_html($file));
2043                        $patch_line =~ s|b/.*|b/$file|g;
2044                        print "<div class=\"diff to_file\">$patch_line</div>\n";
2045
2046                        next LINE;
2047                }
2048                next LINE if $in_header;
2049
2050                print format_diff_line($patch_line);
2051        }
2052        print "</div>\n" if $patch_found; # class="patch"
2053
2054        print "</div>\n"; # class="patchset"
2055}
2056
2057# . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2058
2059sub git_shortlog_body {
2060        # uses global variable $project
2061        my ($revlist, $from, $to, $refs, $extra) = @_;
2062
2063        $from = 0 unless defined $from;
2064        $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
2065
2066        print "<table class=\"shortlog\" cellspacing=\"0\">\n";
2067        my $alternate = 1;
2068        for (my $i = $from; $i <= $to; $i++) {
2069                my $commit = $revlist->[$i];
2070                #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
2071                my $ref = format_ref_marker($refs, $commit);
2072                my %co = parse_commit($commit);
2073                if ($alternate) {
2074                        print "<tr class=\"dark\">\n";
2075                } else {
2076                        print "<tr class=\"light\">\n";
2077                }
2078                $alternate ^= 1;
2079                # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
2080                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2081                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2082                      "<td>";
2083                print format_subject_html($co{'title'}, $co{'title_short'},
2084                                          href(action=>"commit", hash=>$commit), $ref);
2085                print "</td>\n" .
2086                      "<td class=\"link\">" .
2087                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
2088                      $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") . " | " .
2089                      $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
2090                print "</td>\n" .
2091                      "</tr>\n";
2092        }
2093        if (defined $extra) {
2094                print "<tr>\n" .
2095                      "<td colspan=\"4\">$extra</td>\n" .
2096                      "</tr>\n";
2097        }
2098        print "</table>\n";
2099}
2100
2101sub git_history_body {
2102        # Warning: assumes constant type (blob or tree) during history
2103        my ($revlist, $from, $to, $refs, $hash_base, $ftype, $extra) = @_;
2104
2105        $from = 0 unless defined $from;
2106        $to = $#{$revlist} unless (defined $to && $to <= $#{$revlist});
2107
2108        print "<table class=\"history\" cellspacing=\"0\">\n";
2109        my $alternate = 1;
2110        for (my $i = $from; $i <= $to; $i++) {
2111                if ($revlist->[$i] !~ m/^([0-9a-fA-F]{40})/) {
2112                        next;
2113                }
2114
2115                my $commit = $1;
2116                my %co = parse_commit($commit);
2117                if (!%co) {
2118                        next;
2119                }
2120
2121                my $ref = format_ref_marker($refs, $commit);
2122
2123                if ($alternate) {
2124                        print "<tr class=\"dark\">\n";
2125                } else {
2126                        print "<tr class=\"light\">\n";
2127                }
2128                $alternate ^= 1;
2129                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2130                      # shortlog uses      chop_str($co{'author_name'}, 10)
2131                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2132                      "<td>";
2133                # originally git_history used chop_str($co{'title'}, 50)
2134                print format_subject_html($co{'title'}, $co{'title_short'},
2135                                          href(action=>"commit", hash=>$commit), $ref);
2136                print "</td>\n" .
2137                      "<td class=\"link\">" .
2138                      $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype) . " | " .
2139                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
2140
2141                if ($ftype eq 'blob') {
2142                        my $blob_current = git_get_hash_by_path($hash_base, $file_name);
2143                        my $blob_parent  = git_get_hash_by_path($commit, $file_name);
2144                        if (defined $blob_current && defined $blob_parent &&
2145                                        $blob_current ne $blob_parent) {
2146                                print " | " .
2147                                        $cgi->a({-href => href(action=>"blobdiff",
2148                                                               hash=>$blob_current, hash_parent=>$blob_parent,
2149                                                               hash_base=>$hash_base, hash_parent_base=>$commit,
2150                                                               file_name=>$file_name)},
2151                                                "diff to current");
2152                        }
2153                }
2154                print "</td>\n" .
2155                      "</tr>\n";
2156        }
2157        if (defined $extra) {
2158                print "<tr>\n" .
2159                      "<td colspan=\"4\">$extra</td>\n" .
2160                      "</tr>\n";
2161        }
2162        print "</table>\n";
2163}
2164
2165sub git_tags_body {
2166        # uses global variable $project
2167        my ($taglist, $from, $to, $extra) = @_;
2168        $from = 0 unless defined $from;
2169        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
2170
2171        print "<table class=\"tags\" cellspacing=\"0\">\n";
2172        my $alternate = 1;
2173        for (my $i = $from; $i <= $to; $i++) {
2174                my $entry = $taglist->[$i];
2175                my %tag = %$entry;
2176                my $comment_lines = $tag{'comment'};
2177                my $comment = shift @$comment_lines;
2178                my $comment_short;
2179                if (defined $comment) {
2180                        $comment_short = chop_str($comment, 30, 5);
2181                }
2182                if ($alternate) {
2183                        print "<tr class=\"dark\">\n";
2184                } else {
2185                        print "<tr class=\"light\">\n";
2186                }
2187                $alternate ^= 1;
2188                print "<td><i>$tag{'age'}</i></td>\n" .
2189                      "<td>" .
2190                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
2191                               -class => "list name"}, esc_html($tag{'name'})) .
2192                      "</td>\n" .
2193                      "<td>";
2194                if (defined $comment) {
2195                        print format_subject_html($comment, $comment_short,
2196                                                  href(action=>"tag", hash=>$tag{'id'}));
2197                }
2198                print "</td>\n" .
2199                      "<td class=\"selflink\">";
2200                if ($tag{'type'} eq "tag") {
2201                        print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
2202                } else {
2203                        print "&nbsp;";
2204                }
2205                print "</td>\n" .
2206                      "<td class=\"link\">" . " | " .
2207                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
2208                if ($tag{'reftype'} eq "commit") {
2209                        print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") .
2210                              " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'refid'})}, "log");
2211                } elsif ($tag{'reftype'} eq "blob") {
2212                        print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
2213                }
2214                print "</td>\n" .
2215                      "</tr>";
2216        }
2217        if (defined $extra) {
2218                print "<tr>\n" .
2219                      "<td colspan=\"5\">$extra</td>\n" .
2220                      "</tr>\n";
2221        }
2222        print "</table>\n";
2223}
2224
2225sub git_heads_body {
2226        # uses global variable $project
2227        my ($headlist, $head, $from, $to, $extra) = @_;
2228        $from = 0 unless defined $from;
2229        $to = $#{$headlist} if (!defined $to || $#{$headlist} < $to);
2230
2231        print "<table class=\"heads\" cellspacing=\"0\">\n";
2232        my $alternate = 1;
2233        for (my $i = $from; $i <= $to; $i++) {
2234                my $entry = $headlist->[$i];
2235                my %tag = %$entry;
2236                my $curr = $tag{'id'} eq $head;
2237                if ($alternate) {
2238                        print "<tr class=\"dark\">\n";
2239                } else {
2240                        print "<tr class=\"light\">\n";
2241                }
2242                $alternate ^= 1;
2243                print "<td><i>$tag{'age'}</i></td>\n" .
2244                      ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
2245                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'}),
2246                               -class => "list name"},esc_html($tag{'name'})) .
2247                      "</td>\n" .
2248                      "<td class=\"link\">" .
2249                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") . " | " .
2250                      $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log") . " | " .
2251                      $cgi->a({-href => href(action=>"tree", hash=>$tag{'name'}, hash_base=>$tag{'name'})}, "tree") .
2252                      "</td>\n" .
2253                      "</tr>";
2254        }
2255        if (defined $extra) {
2256                print "<tr>\n" .
2257                      "<td colspan=\"3\">$extra</td>\n" .
2258                      "</tr>\n";
2259        }
2260        print "</table>\n";
2261}
2262
2263## ======================================================================
2264## ======================================================================
2265## actions
2266
2267sub git_project_list {
2268        my $order = $cgi->param('o');
2269        if (defined $order && $order !~ m/project|descr|owner|age/) {
2270                die_error(undef, "Unknown order parameter");
2271        }
2272
2273        my @list = git_get_projects_list();
2274        my @projects;
2275        if (!@list) {
2276                die_error(undef, "No projects found");
2277        }
2278        foreach my $pr (@list) {
2279                my (@aa) = git_get_last_activity($pr->{'path'});
2280                unless (@aa) {
2281                        next;
2282                }
2283                ($pr->{'age'}, $pr->{'age_string'}) = @aa;
2284                if (!defined $pr->{'descr'}) {
2285                        my $descr = git_get_project_description($pr->{'path'}) || "";
2286                        $pr->{'descr'} = chop_str($descr, 25, 5);
2287                }
2288                if (!defined $pr->{'owner'}) {
2289                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
2290                }
2291                push @projects, $pr;
2292        }
2293
2294        git_header_html();
2295        if (-f $home_text) {
2296                print "<div class=\"index_include\">\n";
2297                open (my $fd, $home_text);
2298                print <$fd>;
2299                close $fd;
2300                print "</div>\n";
2301        }
2302        print "<table class=\"project_list\">\n" .
2303              "<tr>\n";
2304        $order ||= "project";
2305        if ($order eq "project") {
2306                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
2307                print "<th>Project</th>\n";
2308        } else {
2309                print "<th>" .
2310                      $cgi->a({-href => href(project=>undef, order=>'project'),
2311                               -class => "header"}, "Project") .
2312                      "</th>\n";
2313        }
2314        if ($order eq "descr") {
2315                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
2316                print "<th>Description</th>\n";
2317        } else {
2318                print "<th>" .
2319                      $cgi->a({-href => href(project=>undef, order=>'descr'),
2320                               -class => "header"}, "Description") .
2321                      "</th>\n";
2322        }
2323        if ($order eq "owner") {
2324                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
2325                print "<th>Owner</th>\n";
2326        } else {
2327                print "<th>" .
2328                      $cgi->a({-href => href(project=>undef, order=>'owner'),
2329                               -class => "header"}, "Owner") .
2330                      "</th>\n";
2331        }
2332        if ($order eq "age") {
2333                @projects = sort {$a->{'age'} <=> $b->{'age'}} @projects;
2334                print "<th>Last Change</th>\n";
2335        } else {
2336                print "<th>" .
2337                      $cgi->a({-href => href(project=>undef, order=>'age'),
2338                               -class => "header"}, "Last Change") .
2339                      "</th>\n";
2340        }
2341        print "<th></th>\n" .
2342              "</tr>\n";
2343        my $alternate = 1;
2344        foreach my $pr (@projects) {
2345                if ($alternate) {
2346                        print "<tr class=\"dark\">\n";
2347                } else {
2348                        print "<tr class=\"light\">\n";
2349                }
2350                $alternate ^= 1;
2351                print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
2352                                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
2353                      "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
2354                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
2355                print "<td class=\"". age_class($pr->{'age'}) . "\">" .
2356                      $pr->{'age_string'} . "</td>\n" .
2357                      "<td class=\"link\">" .
2358                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
2359                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
2360                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " .
2361                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") .
2362                      "</td>\n" .
2363                      "</tr>\n";
2364        }
2365        print "</table>\n";
2366        git_footer_html();
2367}
2368
2369sub git_project_index {
2370        my @projects = git_get_projects_list();
2371
2372        print $cgi->header(
2373                -type => 'text/plain',
2374                -charset => 'utf-8',
2375                -content_disposition => 'inline; filename="index.aux"');
2376
2377        foreach my $pr (@projects) {
2378                if (!exists $pr->{'owner'}) {
2379                        $pr->{'owner'} = get_file_owner("$projectroot/$project");
2380                }
2381
2382                my ($path, $owner) = ($pr->{'path'}, $pr->{'owner'});
2383                # quote as in CGI::Util::encode, but keep the slash, and use '+' for ' '
2384                $path  =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
2385                $owner =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
2386                $path  =~ s/ /\+/g;
2387                $owner =~ s/ /\+/g;
2388
2389                print "$path $owner\n";
2390        }
2391}
2392
2393sub git_summary {
2394        my $descr = git_get_project_description($project) || "none";
2395        my $head = git_get_head_hash($project);
2396        my %co = parse_commit($head);
2397        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2398
2399        my $owner = git_get_project_owner($project);
2400
2401        my ($reflist, $refs) = git_get_refs_list();
2402
2403        my @taglist;
2404        my @headlist;
2405        foreach my $ref (@$reflist) {
2406                if ($ref->{'name'} =~ s!^heads/!!) {
2407                        push @headlist, $ref;
2408                } else {
2409                        $ref->{'name'} =~ s!^tags/!!;
2410                        push @taglist, $ref;
2411                }
2412        }
2413
2414        git_header_html();
2415        git_print_page_nav('summary','', $head);
2416
2417        print "<div class=\"title\">&nbsp;</div>\n";
2418        print "<table cellspacing=\"0\">\n" .
2419              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
2420              "<tr><td>owner</td><td>$owner</td></tr>\n" .
2421              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n";
2422        # use per project git URL list in $projectroot/$project/cloneurl
2423        # or make project git URL from git base URL and project name
2424        my $url_tag = "URL";
2425        my @url_list = git_get_project_url_list($project);
2426        @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
2427        foreach my $git_url (@url_list) {
2428                next unless $git_url;
2429                print "<tr><td>$url_tag</td><td>$git_url</td></tr>\n";
2430                $url_tag = "";
2431        }
2432        print "</table>\n";
2433
2434        open my $fd, "-|", git_cmd(), "rev-list", "--max-count=17",
2435                git_get_head_hash($project)
2436                or die_error(undef, "Open git-rev-list failed");
2437        my @revlist = map { chomp; $_ } <$fd>;
2438        close $fd;
2439        git_print_header_div('shortlog');
2440        git_shortlog_body(\@revlist, 0, 15, $refs,
2441                          $cgi->a({-href => href(action=>"shortlog")}, "..."));
2442
2443        if (@taglist) {
2444                git_print_header_div('tags');
2445                git_tags_body(\@taglist, 0, 15,
2446                              $cgi->a({-href => href(action=>"tags")}, "..."));
2447        }
2448
2449        if (@headlist) {
2450                git_print_header_div('heads');
2451                git_heads_body(\@headlist, $head, 0, 15,
2452                               $cgi->a({-href => href(action=>"heads")}, "..."));
2453        }
2454
2455        git_footer_html();
2456}
2457
2458sub git_tag {
2459        my $head = git_get_head_hash($project);
2460        git_header_html();
2461        git_print_page_nav('','', $head,undef,$head);
2462        my %tag = parse_tag($hash);
2463        git_print_header_div('commit', esc_html($tag{'name'}), $hash);
2464        print "<div class=\"title_text\">\n" .
2465              "<table cellspacing=\"0\">\n" .
2466              "<tr>\n" .
2467              "<td>object</td>\n" .
2468              "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2469                               $tag{'object'}) . "</td>\n" .
2470              "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2471                                              $tag{'type'}) . "</td>\n" .
2472              "</tr>\n";
2473        if (defined($tag{'author'})) {
2474                my %ad = parse_date($tag{'epoch'}, $tag{'tz'});
2475                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
2476                print "<tr><td></td><td>" . $ad{'rfc2822'} .
2477                        sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) .
2478                        "</td></tr>\n";
2479        }
2480        print "</table>\n\n" .
2481              "</div>\n";
2482        print "<div class=\"page_body\">";
2483        my $comment = $tag{'comment'};
2484        foreach my $line (@$comment) {
2485                print esc_html($line) . "<br/>\n";
2486        }
2487        print "</div>\n";
2488        git_footer_html();
2489}
2490
2491sub git_blame2 {
2492        my $fd;
2493        my $ftype;
2494
2495        my ($have_blame) = gitweb_check_feature('blame');
2496        if (!$have_blame) {
2497                die_error('403 Permission denied', "Permission denied");
2498        }
2499        die_error('404 Not Found', "File name not defined") if (!$file_name);
2500        $hash_base ||= git_get_head_hash($project);
2501        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2502        my %co = parse_commit($hash_base)
2503                or die_error(undef, "Reading commit failed");
2504        if (!defined $hash) {
2505                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2506                        or die_error(undef, "Error looking up file");
2507        }
2508        $ftype = git_get_type($hash);
2509        if ($ftype !~ "blob") {
2510                die_error("400 Bad Request", "Object is not a blob");
2511        }
2512        open ($fd, "-|", git_cmd(), "blame", '-l', '--', $file_name, $hash_base)
2513                or die_error(undef, "Open git-blame failed");
2514        git_header_html();
2515        my $formats_nav =
2516                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2517                        "blob") .
2518                " | " .
2519                $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2520                        "history") .
2521                " | " .
2522                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2523                        "HEAD");
2524        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2525        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2526        git_print_page_path($file_name, $ftype, $hash_base);
2527        my @rev_color = (qw(light2 dark2));
2528        my $num_colors = scalar(@rev_color);
2529        my $current_color = 0;
2530        my $last_rev;
2531        print <<HTML;
2532<div class="page_body">
2533<table class="blame">
2534<tr><th>Commit</th><th>Line</th><th>Data</th></tr>
2535HTML
2536        while (<$fd>) {
2537                my ($full_rev, $author, $date, $lineno, $data) =
2538                        /^([0-9a-f]{40}).*?\s\((.*?)\s+([-\d]+ [:\d]+ [-+\d]+)\s+(\d+)\)\s(.*)/;
2539                my $rev = substr($full_rev, 0, 8);
2540                my $print_c8 = 0;
2541
2542                if (!defined $last_rev) {
2543                        $last_rev = $full_rev;
2544                        $print_c8 = 1;
2545                } elsif ($last_rev ne $full_rev) {
2546                        $last_rev = $full_rev;
2547                        $current_color = ++$current_color % $num_colors;
2548                        $print_c8 = 1;
2549                }
2550                print "<tr class=\"$rev_color[$current_color]\">\n";
2551                print "<td class=\"sha1\"";
2552                if ($print_c8 == 1) {
2553                        print " title=\"$author, $date\"";
2554                }
2555                print ">";
2556                if ($print_c8 == 1) {
2557                        print $cgi->a({-href => href(action=>"commit", hash=>$full_rev, file_name=>$file_name)},
2558                                      esc_html($rev));
2559                }
2560                print "</td>\n";
2561                print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" .
2562                      esc_html($lineno) . "</a></td>\n";
2563                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
2564                print "</tr>\n";
2565        }
2566        print "</table>\n";
2567        print "</div>";
2568        close $fd
2569                or print "Reading blob failed\n";
2570        git_footer_html();
2571}
2572
2573sub git_blame {
2574        my $fd;
2575
2576        my ($have_blame) = gitweb_check_feature('blame');
2577        if (!$have_blame) {
2578                die_error('403 Permission denied', "Permission denied");
2579        }
2580        die_error('404 Not Found', "File name not defined") if (!$file_name);
2581        $hash_base ||= git_get_head_hash($project);
2582        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2583        my %co = parse_commit($hash_base)
2584                or die_error(undef, "Reading commit failed");
2585        if (!defined $hash) {
2586                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2587                        or die_error(undef, "Error lookup file");
2588        }
2589        open ($fd, "-|", git_cmd(), "annotate", '-l', '-t', '-r', $file_name, $hash_base)
2590                or die_error(undef, "Open git-annotate failed");
2591        git_header_html();
2592        my $formats_nav =
2593                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2594                        "blob") .
2595                " | " .
2596                $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2597                        "history") .
2598                " | " .
2599                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2600                        "HEAD");
2601        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2602        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2603        git_print_page_path($file_name, 'blob', $hash_base);
2604        print "<div class=\"page_body\">\n";
2605        print <<HTML;
2606<table class="blame">
2607  <tr>
2608    <th>Commit</th>
2609    <th>Age</th>
2610    <th>Author</th>
2611    <th>Line</th>
2612    <th>Data</th>
2613  </tr>
2614HTML
2615        my @line_class = (qw(light dark));
2616        my $line_class_len = scalar (@line_class);
2617        my $line_class_num = $#line_class;
2618        while (my $line = <$fd>) {
2619                my $long_rev;
2620                my $short_rev;
2621                my $author;
2622                my $time;
2623                my $lineno;
2624                my $data;
2625                my $age;
2626                my $age_str;
2627                my $age_class;
2628
2629                chomp $line;
2630                $line_class_num = ($line_class_num + 1) % $line_class_len;
2631
2632                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) [+-]\d\d\d\d\t(\d+)\)(.*)$/) {
2633                        $long_rev = $1;
2634                        $author   = $2;
2635                        $time     = $3;
2636                        $lineno   = $4;
2637                        $data     = $5;
2638                } else {
2639                        print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
2640                        next;
2641                }
2642                $short_rev  = substr ($long_rev, 0, 8);
2643                $age        = time () - $time;
2644                $age_str    = age_string ($age);
2645                $age_str    =~ s/ /&nbsp;/g;
2646                $age_class  = age_class($age);
2647                $author     = esc_html ($author);
2648                $author     =~ s/ /&nbsp;/g;
2649
2650                $data = untabify($data);
2651                $data = esc_html ($data);
2652
2653                print <<HTML;
2654  <tr class="$line_class[$line_class_num]">
2655    <td class="sha1"><a href="${\href (action=>"commit", hash=>$long_rev)}" class="text">$short_rev..</a></td>
2656    <td class="$age_class">$age_str</td>
2657    <td>$author</td>
2658    <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
2659    <td class="pre">$data</td>
2660  </tr>
2661HTML
2662        } # while (my $line = <$fd>)
2663        print "</table>\n\n";
2664        close $fd
2665                or print "Reading blob failed.\n";
2666        print "</div>";
2667        git_footer_html();
2668}
2669
2670sub git_tags {
2671        my $head = git_get_head_hash($project);
2672        git_header_html();
2673        git_print_page_nav('','', $head,undef,$head);
2674        git_print_header_div('summary', $project);
2675
2676        my ($taglist) = git_get_refs_list("tags");
2677        if (@$taglist) {
2678                git_tags_body($taglist);
2679        }
2680        git_footer_html();
2681}
2682
2683sub git_heads {
2684        my $head = git_get_head_hash($project);
2685        git_header_html();
2686        git_print_page_nav('','', $head,undef,$head);
2687        git_print_header_div('summary', $project);
2688
2689        my ($headlist) = git_get_refs_list("heads");
2690        if (@$headlist) {
2691                git_heads_body($headlist, $head);
2692        }
2693        git_footer_html();
2694}
2695
2696sub git_blob_plain {
2697        my $expires;
2698
2699        if (!defined $hash) {
2700                if (defined $file_name) {
2701                        my $base = $hash_base || git_get_head_hash($project);
2702                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2703                                or die_error(undef, "Error lookup file");
2704                } else {
2705                        die_error(undef, "No file name defined");
2706                }
2707        } elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2708                # blobs defined by non-textual hash id's can be cached
2709                $expires = "+1d";
2710        }
2711
2712        my $type = shift;
2713        open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
2714                or die_error(undef, "Couldn't cat $file_name, $hash");
2715
2716        $type ||= blob_mimetype($fd, $file_name);
2717
2718        # save as filename, even when no $file_name is given
2719        my $save_as = "$hash";
2720        if (defined $file_name) {
2721                $save_as = $file_name;
2722        } elsif ($type =~ m/^text\//) {
2723                $save_as .= '.txt';
2724        }
2725
2726        print $cgi->header(
2727                -type => "$type",
2728                -expires=>$expires,
2729                -content_disposition => 'inline; filename="' . "$save_as" . '"');
2730        undef $/;
2731        binmode STDOUT, ':raw';
2732        print <$fd>;
2733        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2734        $/ = "\n";
2735        close $fd;
2736}
2737
2738sub git_blob {
2739        my $expires;
2740
2741        if (!defined $hash) {
2742                if (defined $file_name) {
2743                        my $base = $hash_base || git_get_head_hash($project);
2744                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2745                                or die_error(undef, "Error lookup file");
2746                } else {
2747                        die_error(undef, "No file name defined");
2748                }
2749        } elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2750                # blobs defined by non-textual hash id's can be cached
2751                $expires = "+1d";
2752        }
2753
2754        my ($have_blame) = gitweb_check_feature('blame');
2755        open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
2756                or die_error(undef, "Couldn't cat $file_name, $hash");
2757        my $mimetype = blob_mimetype($fd, $file_name);
2758        if ($mimetype !~ m/^text\//) {
2759                close $fd;
2760                return git_blob_plain($mimetype);
2761        }
2762        git_header_html(undef, $expires);
2763        my $formats_nav = '';
2764        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2765                if (defined $file_name) {
2766                        if ($have_blame) {
2767                                $formats_nav .=
2768                                        $cgi->a({-href => href(action=>"blame", hash_base=>$hash_base,
2769                                                               hash=>$hash, file_name=>$file_name)},
2770                                                "blame") .
2771                                        " | ";
2772                        }
2773                        $formats_nav .=
2774                                $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2775                                                       hash=>$hash, file_name=>$file_name)},
2776                                        "history") .
2777                                " | " .
2778                                $cgi->a({-href => href(action=>"blob_plain",
2779                                                       hash=>$hash, file_name=>$file_name)},
2780                                        "raw") .
2781                                " | " .
2782                                $cgi->a({-href => href(action=>"blob",
2783                                                       hash_base=>"HEAD", file_name=>$file_name)},
2784                                        "HEAD");
2785                } else {
2786                        $formats_nav .=
2787                                $cgi->a({-href => href(action=>"blob_plain", hash=>$hash)}, "raw");
2788                }
2789                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2790                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2791        } else {
2792                print "<div class=\"page_nav\">\n" .
2793                      "<br/><br/></div>\n" .
2794                      "<div class=\"title\">$hash</div>\n";
2795        }
2796        git_print_page_path($file_name, "blob", $hash_base);
2797        print "<div class=\"page_body\">\n";
2798        my $nr;
2799        while (my $line = <$fd>) {
2800                chomp $line;
2801                $nr++;
2802                $line = untabify($line);
2803                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
2804                       $nr, $nr, $nr, esc_html($line);
2805        }
2806        close $fd
2807                or print "Reading blob failed.\n";
2808        print "</div>";
2809        git_footer_html();
2810}
2811
2812sub git_tree {
2813        my $have_snapshot = gitweb_have_snapshot();
2814
2815        if (!defined $hash_base) {
2816                $hash_base = "HEAD";
2817        }
2818        if (!defined $hash) {
2819                if (defined $file_name) {
2820                        $hash = git_get_hash_by_path($hash_base, $file_name, "tree");
2821                } else {
2822                        $hash = $hash_base;
2823                }
2824        }
2825        $/ = "\0";
2826        open my $fd, "-|", git_cmd(), "ls-tree", '-z', $hash
2827                or die_error(undef, "Open git-ls-tree failed");
2828        my @entries = map { chomp; $_ } <$fd>;
2829        close $fd or die_error(undef, "Reading tree failed");
2830        $/ = "\n";
2831
2832        my $refs = git_get_references();
2833        my $ref = format_ref_marker($refs, $hash_base);
2834        git_header_html();
2835        my $base = "";
2836        my ($have_blame) = gitweb_check_feature('blame');
2837        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2838                my @views_nav = ();
2839                if (defined $file_name) {
2840                        push @views_nav,
2841                                $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2842                                                       hash=>$hash, file_name=>$file_name)},
2843                                        "history"),
2844                                $cgi->a({-href => href(action=>"tree",
2845                                                       hash_base=>"HEAD", file_name=>$file_name)},
2846                                        "HEAD"),
2847                }
2848                if ($have_snapshot) {
2849                        # FIXME: Should be available when we have no hash base as well.
2850                        push @views_nav,
2851                                $cgi->a({-href => href(action=>"snapshot", hash=>$hash)},
2852                                        "snapshot");
2853                }
2854                git_print_page_nav('tree','', $hash_base, undef, undef, join(' | ', @views_nav));
2855                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
2856        } else {
2857                undef $hash_base;
2858                print "<div class=\"page_nav\">\n";
2859                print "<br/><br/></div>\n";
2860                print "<div class=\"title\">$hash</div>\n";
2861        }
2862        if (defined $file_name) {
2863                $base = esc_html("$file_name/");
2864        }
2865        git_print_page_path($file_name, 'tree', $hash_base);
2866        print "<div class=\"page_body\">\n";
2867        print "<table cellspacing=\"0\">\n";
2868        my $alternate = 1;
2869        foreach my $line (@entries) {
2870                my %t = parse_ls_tree_line($line, -z => 1);
2871
2872                if ($alternate) {
2873                        print "<tr class=\"dark\">\n";
2874                } else {
2875                        print "<tr class=\"light\">\n";
2876                }
2877                $alternate ^= 1;
2878
2879                git_print_tree_entry(\%t, $base, $hash_base, $have_blame);
2880
2881                print "</tr>\n";
2882        }
2883        print "</table>\n" .
2884              "</div>";
2885        git_footer_html();
2886}
2887
2888sub git_snapshot {
2889        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2890        my $have_snapshot = (defined $ctype && defined $suffix);
2891        if (!$have_snapshot) {
2892                die_error('403 Permission denied', "Permission denied");
2893        }
2894
2895        if (!defined $hash) {
2896                $hash = git_get_head_hash($project);
2897        }
2898
2899        my $filename = basename($project) . "-$hash.tar.$suffix";
2900
2901        print $cgi->header(
2902                -type => 'application/x-tar',
2903                -content_encoding => $ctype,
2904                -content_disposition => 'inline; filename="' . "$filename" . '"',
2905                -status => '200 OK');
2906
2907        my $git_command = git_cmd_str();
2908        open my $fd, "-|", "$git_command tar-tree $hash \'$project\' | $command" or
2909                die_error(undef, "Execute git-tar-tree failed.");
2910        binmode STDOUT, ':raw';
2911        print <$fd>;
2912        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2913        close $fd;
2914
2915}
2916
2917sub git_log {
2918        my $head = git_get_head_hash($project);
2919        if (!defined $hash) {
2920                $hash = $head;
2921        }
2922        if (!defined $page) {
2923                $page = 0;
2924        }
2925        my $refs = git_get_references();
2926
2927        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2928        open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash
2929                or die_error(undef, "Open git-rev-list failed");
2930        my @revlist = map { chomp; $_ } <$fd>;
2931        close $fd;
2932
2933        my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#revlist);
2934
2935        git_header_html();
2936        git_print_page_nav('log','', $hash,undef,undef, $paging_nav);
2937
2938        if (!@revlist) {
2939                my %co = parse_commit($hash);
2940
2941                git_print_header_div('summary', $project);
2942                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
2943        }
2944        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2945                my $commit = $revlist[$i];
2946                my $ref = format_ref_marker($refs, $commit);
2947                my %co = parse_commit($commit);
2948                next if !%co;
2949                my %ad = parse_date($co{'author_epoch'});
2950                git_print_header_div('commit',
2951                               "<span class=\"age\">$co{'age_string'}</span>" .
2952                               esc_html($co{'title'}) . $ref,
2953                               $commit);
2954                print "<div class=\"title_text\">\n" .
2955                      "<div class=\"log_link\">\n" .
2956                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
2957                      " | " .
2958                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
2959                      " | " .
2960                      $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") .
2961                      "<br/>\n" .
2962                      "</div>\n" .
2963                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
2964                      "</div>\n";
2965
2966                print "<div class=\"log_body\">\n";
2967                git_print_simplified_log($co{'comment'});
2968                print "</div>\n";
2969        }
2970        git_footer_html();
2971}
2972
2973sub git_commit {
2974        my %co = parse_commit($hash);
2975        if (!%co) {
2976                die_error(undef, "Unknown commit object");
2977        }
2978        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2979        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2980
2981        my $parent = $co{'parent'};
2982        if (!defined $parent) {
2983                $parent = "--root";
2984        }
2985        open my $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $parent, $hash
2986                or die_error(undef, "Open git-diff-tree failed");
2987        my @difftree = map { chomp; $_ } <$fd>;
2988        close $fd or die_error(undef, "Reading git-diff-tree failed");
2989
2990        # non-textual hash id's can be cached
2991        my $expires;
2992        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2993                $expires = "+1d";
2994        }
2995        my $refs = git_get_references();
2996        my $ref = format_ref_marker($refs, $co{'id'});
2997
2998        my $have_snapshot = gitweb_have_snapshot();
2999
3000        my @views_nav = ();
3001        if (defined $file_name && defined $co{'parent'}) {
3002                push @views_nav,
3003                        $cgi->a({-href => href(action=>"blame", hash_parent=>$parent, file_name=>$file_name)},
3004                                "blame");
3005        }
3006        if (defined $co{'parent'}) {
3007                push @views_nav,
3008                        $cgi->a({-href => href(action=>"shortlog", hash=>$hash)}, "shortlog"),
3009                        $cgi->a({-href => href(action=>"log", hash=>$hash)}, "log");
3010        }
3011        git_header_html(undef, $expires);
3012        git_print_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
3013                           $hash, $co{'tree'}, $hash,
3014                           join (' | ', @views_nav));
3015
3016        if (defined $co{'parent'}) {
3017                git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
3018        } else {
3019                git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
3020        }
3021        print "<div class=\"title_text\">\n" .
3022              "<table cellspacing=\"0\">\n";
3023        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
3024              "<tr>" .
3025              "<td></td><td> $ad{'rfc2822'}";
3026        if ($ad{'hour_local'} < 6) {
3027                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
3028                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
3029        } else {
3030                printf(" (%02d:%02d %s)",
3031                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
3032        }
3033        print "</td>" .
3034              "</tr>\n";
3035        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
3036        print "<tr><td></td><td> $cd{'rfc2822'}" .
3037              sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) .
3038              "</td></tr>\n";
3039        print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
3040        print "<tr>" .
3041              "<td>tree</td>" .
3042              "<td class=\"sha1\">" .
3043              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
3044                       class => "list"}, $co{'tree'}) .
3045              "</td>" .
3046              "<td class=\"link\">" .
3047              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
3048                      "tree");
3049        if ($have_snapshot) {
3050                print " | " .
3051                      $cgi->a({-href => href(action=>"snapshot", hash=>$hash)}, "snapshot");
3052        }
3053        print "</td>" .
3054              "</tr>\n";
3055        my $parents = $co{'parents'};
3056        foreach my $par (@$parents) {
3057                print "<tr>" .
3058                      "<td>parent</td>" .
3059                      "<td class=\"sha1\">" .
3060                      $cgi->a({-href => href(action=>"commit", hash=>$par),
3061                               class => "list"}, $par) .
3062                      "</td>" .
3063                      "<td class=\"link\">" .
3064                      $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
3065                      " | " .
3066                      $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "diff") .
3067                      "</td>" .
3068                      "</tr>\n";
3069        }
3070        print "</table>".
3071              "</div>\n";
3072
3073        print "<div class=\"page_body\">\n";
3074        git_print_log($co{'comment'});
3075        print "</div>\n";
3076
3077        git_difftree_body(\@difftree, $hash, $parent);
3078
3079        git_footer_html();
3080}
3081
3082sub git_blobdiff {
3083        my $format = shift || 'html';
3084
3085        my $fd;
3086        my @difftree;
3087        my %diffinfo;
3088        my $expires;
3089
3090        # preparing $fd and %diffinfo for git_patchset_body
3091        # new style URI
3092        if (defined $hash_base && defined $hash_parent_base) {
3093                if (defined $file_name) {
3094                        # read raw output
3095                        open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base,
3096                                "--", $file_name
3097                                or die_error(undef, "Open git-diff-tree failed");
3098                        @difftree = map { chomp; $_ } <$fd>;
3099                        close $fd
3100                                or die_error(undef, "Reading git-diff-tree failed");
3101                        @difftree
3102                                or die_error('404 Not Found', "Blob diff not found");
3103
3104                } elsif (defined $hash &&
3105                         $hash =~ /[0-9a-fA-F]{40}/) {
3106                        # try to find filename from $hash
3107
3108                        # read filtered raw output
3109                        open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base
3110                                or die_error(undef, "Open git-diff-tree failed");
3111                        @difftree =
3112                                # ':100644 100644 03b21826... 3b93d5e7... M     ls-files.c'
3113                                # $hash == to_id
3114                                grep { /^:[0-7]{6} [0-7]{6} [0-9a-fA-F]{40} $hash/ }
3115                                map { chomp; $_ } <$fd>;
3116                        close $fd
3117                                or die_error(undef, "Reading git-diff-tree failed");
3118                        @difftree
3119                                or die_error('404 Not Found', "Blob diff not found");
3120
3121                } else {
3122                        die_error('404 Not Found', "Missing one of the blob diff parameters");
3123                }
3124
3125                if (@difftree > 1) {
3126                        die_error('404 Not Found', "Ambiguous blob diff specification");
3127                }
3128
3129                %diffinfo = parse_difftree_raw_line($difftree[0]);
3130                $file_parent ||= $diffinfo{'from_file'} || $file_name || $diffinfo{'file'};
3131                $file_name   ||= $diffinfo{'to_file'}   || $diffinfo{'file'};
3132
3133                $hash_parent ||= $diffinfo{'from_id'};
3134                $hash        ||= $diffinfo{'to_id'};
3135
3136                # non-textual hash id's can be cached
3137                if ($hash_base =~ m/^[0-9a-fA-F]{40}$/ &&
3138                    $hash_parent_base =~ m/^[0-9a-fA-F]{40}$/) {
3139                        $expires = '+1d';
3140                }
3141
3142                # open patch output
3143                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3144                        '-p', $hash_parent_base, $hash_base,
3145                        "--", $file_name
3146                        or die_error(undef, "Open git-diff-tree failed");
3147        }
3148
3149        # old/legacy style URI
3150        if (!%diffinfo && # if new style URI failed
3151            defined $hash && defined $hash_parent) {
3152                # fake git-diff-tree raw output
3153                $diffinfo{'from_mode'} = $diffinfo{'to_mode'} = "blob";
3154                $diffinfo{'from_id'} = $hash_parent;
3155                $diffinfo{'to_id'}   = $hash;
3156                if (defined $file_name) {
3157                        if (defined $file_parent) {
3158                                $diffinfo{'status'} = '2';
3159                                $diffinfo{'from_file'} = $file_parent;
3160                                $diffinfo{'to_file'}   = $file_name;
3161                        } else { # assume not renamed
3162                                $diffinfo{'status'} = '1';
3163                                $diffinfo{'from_file'} = $file_name;
3164                                $diffinfo{'to_file'}   = $file_name;
3165                        }
3166                } else { # no filename given
3167                        $diffinfo{'status'} = '2';
3168                        $diffinfo{'from_file'} = $hash_parent;
3169                        $diffinfo{'to_file'}   = $hash;
3170                }
3171
3172                # non-textual hash id's can be cached
3173                if ($hash =~ m/^[0-9a-fA-F]{40}$/ &&
3174                    $hash_parent =~ m/^[0-9a-fA-F]{40}$/) {
3175                        $expires = '+1d';
3176                }
3177
3178                # open patch output
3179                open $fd, "-|", git_cmd(), "diff", '-p', @diff_opts, $hash_parent, $hash
3180                        or die_error(undef, "Open git-diff failed");
3181        } else  {
3182                die_error('404 Not Found', "Missing one of the blob diff parameters")
3183                        unless %diffinfo;
3184        }
3185
3186        # header
3187        if ($format eq 'html') {
3188                my $formats_nav =
3189                        $cgi->a({-href => href(action=>"blobdiff_plain",
3190                                               hash=>$hash, hash_parent=>$hash_parent,
3191                                               hash_base=>$hash_base, hash_parent_base=>$hash_parent_base,
3192                                               file_name=>$file_name, file_parent=>$file_parent)},
3193                                "raw");
3194                git_header_html(undef, $expires);
3195                if (defined $hash_base && (my %co = parse_commit($hash_base))) {
3196                        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
3197                        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
3198                } else {
3199                        print "<div class=\"page_nav\"><br/>$formats_nav<br/></div>\n";
3200                        print "<div class=\"title\">$hash vs $hash_parent</div>\n";
3201                }
3202                if (defined $file_name) {
3203                        git_print_page_path($file_name, "blob", $hash_base);
3204                } else {
3205                        print "<div class=\"page_path\"></div>\n";
3206                }
3207
3208        } elsif ($format eq 'plain') {
3209                print $cgi->header(
3210                        -type => 'text/plain',
3211                        -charset => 'utf-8',
3212                        -expires => $expires,
3213                        -content_disposition => 'inline; filename="' . "$file_name" . '.patch"');
3214
3215                print "X-Git-Url: " . $cgi->self_url() . "\n\n";
3216
3217        } else {
3218                die_error(undef, "Unknown blobdiff format");
3219        }
3220
3221        # patch
3222        if ($format eq 'html') {
3223                print "<div class=\"page_body\">\n";
3224
3225                git_patchset_body($fd, [ \%diffinfo ], $hash_base, $hash_parent_base);
3226                close $fd;
3227
3228                print "</div>\n"; # class="page_body"
3229                git_footer_html();
3230
3231        } else {
3232                while (my $line = <$fd>) {
3233                        $line =~ s!a/($hash|$hash_parent)!'a/'.esc_html($diffinfo{'from_file'})!eg;
3234                        $line =~ s!b/($hash|$hash_parent)!'b/'.esc_html($diffinfo{'to_file'})!eg;
3235
3236                        print $line;
3237
3238                        last if $line =~ m!^\+\+\+!;
3239                }
3240                local $/ = undef;
3241                print <$fd>;
3242                close $fd;
3243        }
3244}
3245
3246sub git_blobdiff_plain {
3247        git_blobdiff('plain');
3248}
3249
3250sub git_commitdiff {
3251        my $format = shift || 'html';
3252        my %co = parse_commit($hash);
3253        if (!%co) {
3254                die_error(undef, "Unknown commit object");
3255        }
3256        if (!defined $hash_parent) {
3257                $hash_parent = $co{'parent'} || '--root';
3258        }
3259
3260        # read commitdiff
3261        my $fd;
3262        my @difftree;
3263        if ($format eq 'html') {
3264                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3265                        "--patch-with-raw", "--full-index", $hash_parent, $hash
3266                        or die_error(undef, "Open git-diff-tree failed");
3267
3268                while (chomp(my $line = <$fd>)) {
3269                        # empty line ends raw part of diff-tree output
3270                        last unless $line;
3271                        push @difftree, $line;
3272                }
3273
3274        } elsif ($format eq 'plain') {
3275                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3276                        '-p', $hash_parent, $hash
3277                        or die_error(undef, "Open git-diff-tree failed");
3278
3279        } else {
3280                die_error(undef, "Unknown commitdiff format");
3281        }
3282
3283        # non-textual hash id's can be cached
3284        my $expires;
3285        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
3286                $expires = "+1d";
3287        }
3288
3289        # write commit message
3290        if ($format eq 'html') {
3291                my $refs = git_get_references();
3292                my $ref = format_ref_marker($refs, $co{'id'});
3293                my $formats_nav =
3294                        $cgi->a({-href => href(action=>"commitdiff_plain",
3295                                               hash=>$hash, hash_parent=>$hash_parent)},
3296                                "raw");
3297
3298                git_header_html(undef, $expires);
3299                git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
3300                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
3301                git_print_authorship(\%co);
3302                print "<div class=\"page_body\">\n";
3303                print "<div class=\"log\">\n";
3304                git_print_simplified_log($co{'comment'}, 1); # skip title
3305                print "</div>\n"; # class="log"
3306
3307        } elsif ($format eq 'plain') {
3308                my $refs = git_get_references("tags");
3309                my $tagname = git_get_rev_name_tags($hash);
3310                my $filename = basename($project) . "-$hash.patch";
3311
3312                print $cgi->header(
3313                        -type => 'text/plain',
3314                        -charset => 'utf-8',
3315                        -expires => $expires,
3316                        -content_disposition => 'inline; filename="' . "$filename" . '"');
3317                my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
3318                print <<TEXT;
3319From: $co{'author'}
3320Date: $ad{'rfc2822'} ($ad{'tz_local'})
3321Subject: $co{'title'}
3322TEXT
3323                print "X-Git-Tag: $tagname\n" if $tagname;
3324                print "X-Git-Url: " . $cgi->self_url() . "\n\n";
3325
3326                foreach my $line (@{$co{'comment'}}) {
3327                        print "$line\n";
3328                }
3329                print "---\n\n";
3330        }
3331
3332        # write patch
3333        if ($format eq 'html') {
3334                git_difftree_body(\@difftree, $hash, $hash_parent);
3335                print "<br/>\n";
3336
3337                git_patchset_body($fd, \@difftree, $hash, $hash_parent);
3338                close $fd;
3339                print "</div>\n"; # class="page_body"
3340                git_footer_html();
3341
3342        } elsif ($format eq 'plain') {
3343                local $/ = undef;
3344                print <$fd>;
3345                close $fd
3346                        or print "Reading git-diff-tree failed\n";
3347        }
3348}
3349
3350sub git_commitdiff_plain {
3351        git_commitdiff('plain');
3352}
3353
3354sub git_history {
3355        if (!defined $hash_base) {
3356                $hash_base = git_get_head_hash($project);
3357        }
3358        if (!defined $page) {
3359                $page = 0;
3360        }
3361        my $ftype;
3362        my %co = parse_commit($hash_base);
3363        if (!%co) {
3364                die_error(undef, "Unknown commit object");
3365        }
3366
3367        my $refs = git_get_references();
3368        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3369
3370        if (!defined $hash && defined $file_name) {
3371                $hash = git_get_hash_by_path($hash_base, $file_name);
3372        }
3373        if (defined $hash) {
3374                $ftype = git_get_type($hash);
3375        }
3376
3377        open my $fd, "-|",
3378                git_cmd(), "rev-list", $limit, "--full-history", $hash_base, "--", $file_name
3379                        or die_error(undef, "Open git-rev-list-failed");
3380        my @revlist = map { chomp; $_ } <$fd>;
3381        close $fd
3382                or die_error(undef, "Reading git-rev-list failed");
3383
3384        my $paging_nav = '';
3385        if ($page > 0) {
3386                $paging_nav .=
3387                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3388                                               file_name=>$file_name)},
3389                                "first");
3390                $paging_nav .= " &sdot; " .
3391                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3392                                               file_name=>$file_name, page=>$page-1),
3393                                 -accesskey => "p", -title => "Alt-p"}, "prev");
3394        } else {
3395                $paging_nav .= "first";
3396                $paging_nav .= " &sdot; prev";
3397        }
3398        if ($#revlist >= (100 * ($page+1)-1)) {
3399                $paging_nav .= " &sdot; " .
3400                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3401                                               file_name=>$file_name, page=>$page+1),
3402                                 -accesskey => "n", -title => "Alt-n"}, "next");
3403        } else {
3404                $paging_nav .= " &sdot; next";
3405        }
3406        my $next_link = '';
3407        if ($#revlist >= (100 * ($page+1)-1)) {
3408                $next_link =
3409                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3410                                               file_name=>$file_name, page=>$page+1),
3411                                 -title => "Alt-n"}, "next");
3412        }
3413
3414        git_header_html();
3415        git_print_page_nav('history','', $hash_base,$co{'tree'},$hash_base, $paging_nav);
3416        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
3417        git_print_page_path($file_name, $ftype, $hash_base);
3418
3419        git_history_body(\@revlist, ($page * 100), $#revlist,
3420                         $refs, $hash_base, $ftype, $next_link);
3421
3422        git_footer_html();
3423}
3424
3425sub git_search {
3426        if (!defined $searchtext) {
3427                die_error(undef, "Text field empty");
3428        }
3429        if (!defined $hash) {
3430                $hash = git_get_head_hash($project);
3431        }
3432        my %co = parse_commit($hash);
3433        if (!%co) {
3434                die_error(undef, "Unknown commit object");
3435        }
3436
3437        my $commit_search = 1;
3438        my $author_search = 0;
3439        my $committer_search = 0;
3440        my $pickaxe_search = 0;
3441        if ($searchtext =~ s/^author\\://i) {
3442                $author_search = 1;
3443        } elsif ($searchtext =~ s/^committer\\://i) {
3444                $committer_search = 1;
3445        } elsif ($searchtext =~ s/^pickaxe\\://i) {
3446                $commit_search = 0;
3447                $pickaxe_search = 1;
3448
3449                # pickaxe may take all resources of your box and run for several minutes
3450                # with every query - so decide by yourself how public you make this feature
3451                my ($have_pickaxe) = gitweb_check_feature('pickaxe');
3452                if (!$have_pickaxe) {
3453                        die_error('403 Permission denied', "Permission denied");
3454                }
3455        }
3456        git_header_html();
3457        git_print_page_nav('','', $hash,$co{'tree'},$hash);
3458        git_print_header_div('commit', esc_html($co{'title'}), $hash);
3459
3460        print "<table cellspacing=\"0\">\n";
3461        my $alternate = 1;
3462        if ($commit_search) {
3463                $/ = "\0";
3464                open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", $hash or next;
3465                while (my $commit_text = <$fd>) {
3466                        if (!grep m/$searchtext/i, $commit_text) {
3467                                next;
3468                        }
3469                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
3470                                next;
3471                        }
3472                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
3473                                next;
3474                        }
3475                        my @commit_lines = split "\n", $commit_text;
3476                        my %co = parse_commit(undef, \@commit_lines);
3477                        if (!%co) {
3478                                next;
3479                        }
3480                        if ($alternate) {
3481                                print "<tr class=\"dark\">\n";
3482                        } else {
3483                                print "<tr class=\"light\">\n";
3484                        }
3485                        $alternate ^= 1;
3486                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3487                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3488                              "<td>" .
3489                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), -class => "list subject"},
3490                                       esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3491                        my $comment = $co{'comment'};
3492                        foreach my $line (@$comment) {
3493                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
3494                                        my $lead = esc_html($1) || "";
3495                                        $lead = chop_str($lead, 30, 10);
3496                                        my $match = esc_html($2) || "";
3497                                        my $trail = esc_html($3) || "";
3498                                        $trail = chop_str($trail, 30, 10);
3499                                        my $text = "$lead<span class=\"match\">$match</span>$trail";
3500                                        print chop_str($text, 80, 5) . "<br/>\n";
3501                                }
3502                        }
3503                        print "</td>\n" .
3504                              "<td class=\"link\">" .
3505                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3506                              " | " .
3507                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3508                        print "</td>\n" .
3509                              "</tr>\n";
3510                }
3511                close $fd;
3512        }
3513
3514        if ($pickaxe_search) {
3515                $/ = "\n";
3516                my $git_command = git_cmd_str();
3517                open my $fd, "-|", "$git_command rev-list $hash | " .
3518                        "$git_command diff-tree -r --stdin -S\'$searchtext\'";
3519                undef %co;
3520                my @files;
3521                while (my $line = <$fd>) {
3522                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
3523                                my %set;
3524                                $set{'file'} = $6;
3525                                $set{'from_id'} = $3;
3526                                $set{'to_id'} = $4;
3527                                $set{'id'} = $set{'to_id'};
3528                                if ($set{'id'} =~ m/0{40}/) {
3529                                        $set{'id'} = $set{'from_id'};
3530                                }
3531                                if ($set{'id'} =~ m/0{40}/) {
3532                                        next;
3533                                }
3534                                push @files, \%set;
3535                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
3536                                if (%co) {
3537                                        if ($alternate) {
3538                                                print "<tr class=\"dark\">\n";
3539                                        } else {
3540                                                print "<tr class=\"light\">\n";
3541                                        }
3542                                        $alternate ^= 1;
3543                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3544                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3545                                              "<td>" .
3546                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
3547                                                      -class => "list subject"},
3548                                                      esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3549                                        while (my $setref = shift @files) {
3550                                                my %set = %$setref;
3551                                                print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
3552                                                                             hash=>$set{'id'}, file_name=>$set{'file'}),
3553                                                              -class => "list"},
3554                                                              "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
3555                                                      "<br/>\n";
3556                                        }
3557                                        print "</td>\n" .
3558                                              "<td class=\"link\">" .
3559                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3560                                              " | " .
3561                                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3562                                        print "</td>\n" .
3563                                              "</tr>\n";
3564                                }
3565                                %co = parse_commit($1);
3566                        }
3567                }
3568                close $fd;
3569        }
3570        print "</table>\n";
3571        git_footer_html();
3572}
3573
3574sub git_shortlog {
3575        my $head = git_get_head_hash($project);
3576        if (!defined $hash) {
3577                $hash = $head;
3578        }
3579        if (!defined $page) {
3580                $page = 0;
3581        }
3582        my $refs = git_get_references();
3583
3584        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3585        open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash
3586                or die_error(undef, "Open git-rev-list failed");
3587        my @revlist = map { chomp; $_ } <$fd>;
3588        close $fd;
3589
3590        my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#revlist);
3591        my $next_link = '';
3592        if ($#revlist >= (100 * ($page+1)-1)) {
3593                $next_link =
3594                        $cgi->a({-href => href(action=>"shortlog", hash=>$hash, page=>$page+1),
3595                                 -title => "Alt-n"}, "next");
3596        }
3597
3598
3599        git_header_html();
3600        git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
3601        git_print_header_div('summary', $project);
3602
3603        git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
3604
3605        git_footer_html();
3606}
3607
3608## ......................................................................
3609## feeds (RSS, OPML)
3610
3611sub git_rss {
3612        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
3613        open my $fd, "-|", git_cmd(), "rev-list", "--max-count=150", git_get_head_hash($project)
3614                or die_error(undef, "Open git-rev-list failed");
3615        my @revlist = map { chomp; $_ } <$fd>;
3616        close $fd or die_error(undef, "Reading git-rev-list failed");
3617        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3618        print <<XML;
3619<?xml version="1.0" encoding="utf-8"?>
3620<rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
3621<channel>
3622<title>$project $my_uri $my_url</title>
3623<link>${\esc_html("$my_url?p=$project;a=summary")}</link>
3624<description>$project log</description>
3625<language>en</language>
3626XML
3627
3628        for (my $i = 0; $i <= $#revlist; $i++) {
3629                my $commit = $revlist[$i];
3630                my %co = parse_commit($commit);
3631                # we read 150, we always show 30 and the ones more recent than 48 hours
3632                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
3633                        last;
3634                }
3635                my %cd = parse_date($co{'committer_epoch'});
3636                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3637                        $co{'parent'}, $co{'id'}
3638                        or next;
3639                my @difftree = map { chomp; $_ } <$fd>;
3640                close $fd
3641                        or next;
3642                print "<item>\n" .
3643                      "<title>" .
3644                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
3645                      "</title>\n" .
3646                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
3647                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
3648                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
3649                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
3650                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
3651                      "<content:encoded>" .
3652                      "<![CDATA[\n";
3653                my $comment = $co{'comment'};
3654                foreach my $line (@$comment) {
3655                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
3656                        print "$line<br/>\n";
3657                }
3658                print "<br/>\n";
3659                foreach my $line (@difftree) {
3660                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
3661                                next;
3662                        }
3663                        my $file = esc_html(unquote($7));
3664                        $file = decode("utf8", $file, Encode::FB_DEFAULT);
3665                        print "$file<br/>\n";
3666                }
3667                print "]]>\n" .
3668                      "</content:encoded>\n" .
3669                      "</item>\n";
3670        }
3671        print "</channel></rss>";
3672}
3673
3674sub git_opml {
3675        my @list = git_get_projects_list();
3676
3677        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3678        print <<XML;
3679<?xml version="1.0" encoding="utf-8"?>
3680<opml version="1.0">
3681<head>
3682  <title>$site_name Git OPML Export</title>
3683</head>
3684<body>
3685<outline text="git RSS feeds">
3686XML
3687
3688        foreach my $pr (@list) {
3689                my %proj = %$pr;
3690                my $head = git_get_head_hash($proj{'path'});
3691                if (!defined $head) {
3692                        next;
3693                }
3694                $git_dir = "$projectroot/$proj{'path'}";
3695                my %co = parse_commit($head);
3696                if (!%co) {
3697                        next;
3698                }
3699
3700                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
3701                my $rss  = "$my_url?p=$proj{'path'};a=rss";
3702                my $html = "$my_url?p=$proj{'path'};a=summary";
3703                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
3704        }
3705        print <<XML;
3706</outline>
3707</body>
3708</opml>
3709XML
3710}