50e405f6fef49a8c099d44f8f3fce7b1d6f1bbca
   1#!/usr/bin/perl
   2
   3# gitweb - simple web interface to track changes in git repositories
   4#
   5# (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
   6# (C) 2005, Christian Gierke
   7#
   8# This program is licensed under the GPLv2
   9
  10use strict;
  11use warnings;
  12use CGI qw(:standard :escapeHTML -nosticky);
  13use CGI::Util qw(unescape);
  14use CGI::Carp qw(fatalsToBrowser);
  15use Encode;
  16use Fcntl ':mode';
  17use File::Find qw();
  18use File::Basename qw(basename);
  19binmode STDOUT, ':utf8';
  20
  21our $cgi = new CGI;
  22our $version = "++GIT_VERSION++";
  23our $my_url = $cgi->url();
  24our $my_uri = $cgi->url(-absolute => 1);
  25
  26# core git executable to use
  27# this can just be "git" if your webserver has a sensible PATH
  28our $GIT = "++GIT_BINDIR++/git";
  29
  30# absolute fs-path which will be prepended to the project path
  31#our $projectroot = "/pub/scm";
  32our $projectroot = "++GITWEB_PROJECTROOT++";
  33
  34# location for temporary files needed for diffs
  35our $git_temp = "/tmp/gitweb";
  36
  37# target of the home link on top of all pages
  38our $home_link = $my_uri || "/";
  39
  40# string of the home link on top of all pages
  41our $home_link_str = "++GITWEB_HOME_LINK_STR++";
  42
  43# name of your site or organization to appear in page titles
  44# replace this with something more descriptive for clearer bookmarks
  45our $site_name = "++GITWEB_SITENAME++" || $ENV{'SERVER_NAME'} || "Untitled";
  46
  47# html text to include at home page
  48our $home_text = "++GITWEB_HOMETEXT++";
  49
  50# URI of default stylesheet
  51our $stylesheet = "++GITWEB_CSS++";
  52# URI of GIT logo
  53our $logo = "++GITWEB_LOGO++";
  54
  55# source of projects list
  56our $projects_list = "++GITWEB_LIST++";
  57
  58# list of git base URLs used for URL to where fetch project from,
  59# i.e. full URL is "$git_base_url/$project"
  60our @git_base_url_list = ("++GITWEB_BASE_URL++");
  61
  62# default blob_plain mimetype and default charset for text/plain blob
  63our $default_blob_plain_mimetype = 'text/plain';
  64our $default_text_plain_charset  = undef;
  65
  66# file to use for guessing MIME types before trying /etc/mime.types
  67# (relative to the current git repository)
  68our $mimetypes_file = undef;
  69
  70# You define site-wide feature defaults here; override them with
  71# $GITWEB_CONFIG as necessary.
  72our %feature = (
  73        # feature => {'sub' => feature-sub, 'override' => allow-override, 'default' => [ default options...]
  74        # if feature is overridable, feature-sub will be called with default options;
  75        # return value indicates if to enable specified feature
  76
  77        'blame' => {
  78                'sub' => \&feature_blame,
  79                'override' => 0,
  80                'default' => [0]},
  81
  82        'snapshot' => {
  83                'sub' => \&feature_snapshot,
  84                'override' => 0,
  85                #         => [content-encoding, suffix, program]
  86                'default' => ['x-gzip', 'gz', 'gzip']},
  87);
  88
  89sub gitweb_check_feature {
  90        my ($name) = @_;
  91        return undef unless exists $feature{$name};
  92        my ($sub, $override, @defaults) = (
  93                $feature{$name}{'sub'},
  94                $feature{$name}{'override'},
  95                @{$feature{$name}{'default'}});
  96        if (!$override) { return @defaults; }
  97        return $sub->(@defaults);
  98}
  99
 100# To enable system wide have in $GITWEB_CONFIG
 101# $feature{'blame'}{'default'} =  [1];
 102# To have project specific config enable override in  $GITWEB_CONFIG
 103# $feature{'blame'}{'override'} =  1;
 104# and in project config gitweb.blame = 0|1;
 105
 106sub feature_blame {
 107        my ($val) = git_get_project_config('blame', '--bool');
 108
 109        if ($val eq 'true') {
 110                return 1;
 111        } elsif ($val eq 'false') {
 112                return 0;
 113        }
 114
 115        return $_[0];
 116}
 117
 118# To disable system wide have in $GITWEB_CONFIG
 119# $feature{'snapshot'}{'default'} =  [undef];
 120# To have project specific config enable override in  $GITWEB_CONFIG
 121# $feature{'blame'}{'override'} =  1;
 122# and in project config  gitweb.snapshot = none|gzip|bzip2
 123
 124sub feature_snapshot {
 125        my ($ctype, $suffix, $command) = @_;
 126
 127        my ($val) = git_get_project_config('snapshot');
 128
 129        if ($val eq 'gzip') {
 130                return ('x-gzip', 'gz', 'gzip');
 131        } elsif ($val eq 'bzip2') {
 132                return ('x-bzip2', 'bz2', 'bzip2');
 133        } elsif ($val eq 'none') {
 134                return ();
 135        }
 136
 137        return ($ctype, $suffix, $command);
 138}
 139
 140our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
 141require $GITWEB_CONFIG if -e $GITWEB_CONFIG;
 142
 143# version of the core git binary
 144our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
 145
 146$projects_list ||= $projectroot;
 147if (! -d $git_temp) {
 148        mkdir($git_temp, 0700) || die_error(undef, "Couldn't mkdir $git_temp");
 149}
 150
 151# ======================================================================
 152# input validation and dispatch
 153our $action = $cgi->param('a');
 154if (defined $action) {
 155        if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
 156                die_error(undef, "Invalid action parameter");
 157        }
 158}
 159
 160our $project = ($cgi->param('p') || $ENV{'PATH_INFO'});
 161if (defined $project) {
 162        $project =~ s|^/||;
 163        $project =~ s|/$||;
 164        $project = undef unless $project;
 165}
 166if (defined $project) {
 167        if (!validate_input($project)) {
 168                die_error(undef, "Invalid project parameter");
 169        }
 170        if (!(-d "$projectroot/$project")) {
 171                die_error(undef, "No such directory");
 172        }
 173        if (!(-e "$projectroot/$project/HEAD")) {
 174                die_error(undef, "No such project");
 175        }
 176        $ENV{'GIT_DIR'} = "$projectroot/$project";
 177}
 178
 179our $file_name = $cgi->param('f');
 180if (defined $file_name) {
 181        if (!validate_input($file_name)) {
 182                die_error(undef, "Invalid file parameter");
 183        }
 184}
 185
 186our $file_parent = $cgi->param('fp');
 187if (defined $file_parent) {
 188        if (!validate_input($file_parent)) {
 189                die_error(undef, "Invalid file parent parameter");
 190        }
 191}
 192
 193our $hash = $cgi->param('h');
 194if (defined $hash) {
 195        if (!validate_input($hash)) {
 196                die_error(undef, "Invalid hash parameter");
 197        }
 198}
 199
 200our $hash_parent = $cgi->param('hp');
 201if (defined $hash_parent) {
 202        if (!validate_input($hash_parent)) {
 203                die_error(undef, "Invalid hash parent parameter");
 204        }
 205}
 206
 207our $hash_base = $cgi->param('hb');
 208if (defined $hash_base) {
 209        if (!validate_input($hash_base)) {
 210                die_error(undef, "Invalid hash base parameter");
 211        }
 212}
 213
 214our $page = $cgi->param('pg');
 215if (defined $page) {
 216        if ($page =~ m/[^0-9]$/) {
 217                die_error(undef, "Invalid page parameter");
 218        }
 219}
 220
 221our $searchtext = $cgi->param('s');
 222if (defined $searchtext) {
 223        if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 224                die_error(undef, "Invalid search parameter");
 225        }
 226        $searchtext = quotemeta $searchtext;
 227}
 228
 229# dispatch
 230my %actions = (
 231        "blame" => \&git_blame2,
 232        "blobdiff" => \&git_blobdiff,
 233        "blobdiff_plain" => \&git_blobdiff_plain,
 234        "blob" => \&git_blob,
 235        "blob_plain" => \&git_blob_plain,
 236        "commitdiff" => \&git_commitdiff,
 237        "commitdiff_plain" => \&git_commitdiff_plain,
 238        "commit" => \&git_commit,
 239        "heads" => \&git_heads,
 240        "history" => \&git_history,
 241        "log" => \&git_log,
 242        "rss" => \&git_rss,
 243        "search" => \&git_search,
 244        "shortlog" => \&git_shortlog,
 245        "summary" => \&git_summary,
 246        "tag" => \&git_tag,
 247        "tags" => \&git_tags,
 248        "tree" => \&git_tree,
 249        "snapshot" => \&git_snapshot,
 250        # those below don't need $project
 251        "opml" => \&git_opml,
 252        "project_list" => \&git_project_list,
 253);
 254
 255if (defined $project) {
 256        $action ||= 'summary';
 257} else {
 258        $action ||= 'project_list';
 259}
 260if (!defined($actions{$action})) {
 261        die_error(undef, "Unknown action");
 262}
 263$actions{$action}->();
 264exit;
 265
 266## ======================================================================
 267## action links
 268
 269sub href(%) {
 270        my %params = @_;
 271
 272        my @mapping = (
 273                action => "a",
 274                project => "p",
 275                file_name => "f",
 276                file_parent => "fp",
 277                hash => "h",
 278                hash_parent => "hp",
 279                hash_base => "hb",
 280                page => "pg",
 281                searchtext => "s",
 282        );
 283        my %mapping = @mapping;
 284
 285        $params{"project"} ||= $project;
 286
 287        my @result = ();
 288        for (my $i = 0; $i < @mapping; $i += 2) {
 289                my ($name, $symbol) = ($mapping[$i], $mapping[$i+1]);
 290                if (defined $params{$name}) {
 291                        push @result, $symbol . "=" . esc_param($params{$name});
 292                }
 293        }
 294        return "$my_uri?" . join(';', @result);
 295}
 296
 297
 298## ======================================================================
 299## validation, quoting/unquoting and escaping
 300
 301sub validate_input {
 302        my $input = shift;
 303
 304        if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 305                return $input;
 306        }
 307        if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 308                return undef;
 309        }
 310        if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
 311                return undef;
 312        }
 313        return $input;
 314}
 315
 316# quote unsafe chars, but keep the slash, even when it's not
 317# correct, but quoted slashes look too horrible in bookmarks
 318sub esc_param {
 319        my $str = shift;
 320        $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 321        $str =~ s/\+/%2B/g;
 322        $str =~ s/ /\+/g;
 323        return $str;
 324}
 325
 326# replace invalid utf8 character with SUBSTITUTION sequence
 327sub esc_html {
 328        my $str = shift;
 329        $str = decode("utf8", $str, Encode::FB_DEFAULT);
 330        $str = escapeHTML($str);
 331        $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
 332        return $str;
 333}
 334
 335# git may return quoted and escaped filenames
 336sub unquote {
 337        my $str = shift;
 338        if ($str =~ m/^"(.*)"$/) {
 339                $str = $1;
 340                $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 341        }
 342        return $str;
 343}
 344
 345# escape tabs (convert tabs to spaces)
 346sub untabify {
 347        my $line = shift;
 348
 349        while ((my $pos = index($line, "\t")) != -1) {
 350                if (my $count = (8 - ($pos % 8))) {
 351                        my $spaces = ' ' x $count;
 352                        $line =~ s/\t/$spaces/;
 353                }
 354        }
 355
 356        return $line;
 357}
 358
 359## ----------------------------------------------------------------------
 360## HTML aware string manipulation
 361
 362sub chop_str {
 363        my $str = shift;
 364        my $len = shift;
 365        my $add_len = shift || 10;
 366
 367        # allow only $len chars, but don't cut a word if it would fit in $add_len
 368        # if it doesn't fit, cut it if it's still longer than the dots we would add
 369        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 370        my $body = $1;
 371        my $tail = $2;
 372        if (length($tail) > 4) {
 373                $tail = " ...";
 374                $body =~ s/&[^;]*$//; # remove chopped character entities
 375        }
 376        return "$body$tail";
 377}
 378
 379## ----------------------------------------------------------------------
 380## functions returning short strings
 381
 382# CSS class for given age value (in seconds)
 383sub age_class {
 384        my $age = shift;
 385
 386        if ($age < 60*60*2) {
 387                return "age0";
 388        } elsif ($age < 60*60*24*2) {
 389                return "age1";
 390        } else {
 391                return "age2";
 392        }
 393}
 394
 395# convert age in seconds to "nn units ago" string
 396sub age_string {
 397        my $age = shift;
 398        my $age_str;
 399
 400        if ($age > 60*60*24*365*2) {
 401                $age_str = (int $age/60/60/24/365);
 402                $age_str .= " years ago";
 403        } elsif ($age > 60*60*24*(365/12)*2) {
 404                $age_str = int $age/60/60/24/(365/12);
 405                $age_str .= " months ago";
 406        } elsif ($age > 60*60*24*7*2) {
 407                $age_str = int $age/60/60/24/7;
 408                $age_str .= " weeks ago";
 409        } elsif ($age > 60*60*24*2) {
 410                $age_str = int $age/60/60/24;
 411                $age_str .= " days ago";
 412        } elsif ($age > 60*60*2) {
 413                $age_str = int $age/60/60;
 414                $age_str .= " hours ago";
 415        } elsif ($age > 60*2) {
 416                $age_str = int $age/60;
 417                $age_str .= " min ago";
 418        } elsif ($age > 2) {
 419                $age_str = int $age;
 420                $age_str .= " sec ago";
 421        } else {
 422                $age_str .= " right now";
 423        }
 424        return $age_str;
 425}
 426
 427# convert file mode in octal to symbolic file mode string
 428sub mode_str {
 429        my $mode = oct shift;
 430
 431        if (S_ISDIR($mode & S_IFMT)) {
 432                return 'drwxr-xr-x';
 433        } elsif (S_ISLNK($mode)) {
 434                return 'lrwxrwxrwx';
 435        } elsif (S_ISREG($mode)) {
 436                # git cares only about the executable bit
 437                if ($mode & S_IXUSR) {
 438                        return '-rwxr-xr-x';
 439                } else {
 440                        return '-rw-r--r--';
 441                };
 442        } else {
 443                return '----------';
 444        }
 445}
 446
 447# convert file mode in octal to file type string
 448sub file_type {
 449        my $mode = oct shift;
 450
 451        if (S_ISDIR($mode & S_IFMT)) {
 452                return "directory";
 453        } elsif (S_ISLNK($mode)) {
 454                return "symlink";
 455        } elsif (S_ISREG($mode)) {
 456                return "file";
 457        } else {
 458                return "unknown";
 459        }
 460}
 461
 462## ----------------------------------------------------------------------
 463## functions returning short HTML fragments, or transforming HTML fragments
 464## which don't beling to other sections
 465
 466# format line of commit message or tag comment
 467sub format_log_line_html {
 468        my $line = shift;
 469
 470        $line = esc_html($line);
 471        $line =~ s/ /&nbsp;/g;
 472        if ($line =~ m/([0-9a-fA-F]{40})/) {
 473                my $hash_text = $1;
 474                if (git_get_type($hash_text) eq "commit") {
 475                        my $link =
 476                                $cgi->a({-href => href(action=>"commit", hash=>$hash_text),
 477                                        -class => "text"}, $hash_text);
 478                        $line =~ s/$hash_text/$link/;
 479                }
 480        }
 481        return $line;
 482}
 483
 484# format marker of refs pointing to given object
 485sub format_ref_marker {
 486        my ($refs, $id) = @_;
 487        my $markers = '';
 488
 489        if (defined $refs->{$id}) {
 490                foreach my $ref (@{$refs->{$id}}) {
 491                        my ($type, $name) = qw();
 492                        # e.g. tags/v2.6.11 or heads/next
 493                        if ($ref =~ m!^(.*?)s?/(.*)$!) {
 494                                $type = $1;
 495                                $name = $2;
 496                        } else {
 497                                $type = "ref";
 498                                $name = $ref;
 499                        }
 500
 501                        $markers .= " <span class=\"$type\">" . esc_html($name) . "</span>";
 502                }
 503        }
 504
 505        if ($markers) {
 506                return ' <span class="refs">'. $markers . '</span>';
 507        } else {
 508                return "";
 509        }
 510}
 511
 512# format, perhaps shortened and with markers, title line
 513sub format_subject_html {
 514        my ($long, $short, $href, $extra) = @_;
 515        $extra = '' unless defined($extra);
 516
 517        if (length($short) < length($long)) {
 518                return $cgi->a({-href => $href, -class => "list subject",
 519                                -title => $long},
 520                       esc_html($short) . $extra);
 521        } else {
 522                return $cgi->a({-href => $href, -class => "list subject"},
 523                       esc_html($long)  . $extra);
 524        }
 525}
 526
 527sub format_diff_line {
 528        my $line = shift;
 529        my $char = substr($line, 0, 1);
 530        my $diff_class = "";
 531
 532        chomp $line;
 533
 534        if ($char eq '+') {
 535                $diff_class = " add";
 536        } elsif ($char eq "-") {
 537                $diff_class = " rem";
 538        } elsif ($char eq "@") {
 539                $diff_class = " chunk_header";
 540        } elsif ($char eq "\\") {
 541                $diff_class = " incomplete";
 542        }
 543        $line = untabify($line);
 544        return "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
 545}
 546
 547## ----------------------------------------------------------------------
 548## git utility subroutines, invoking git commands
 549
 550# get HEAD ref of given project as hash
 551sub git_get_head_hash {
 552        my $project = shift;
 553        my $oENV = $ENV{'GIT_DIR'};
 554        my $retval = undef;
 555        $ENV{'GIT_DIR'} = "$projectroot/$project";
 556        if (open my $fd, "-|", $GIT, "rev-parse", "--verify", "HEAD") {
 557                my $head = <$fd>;
 558                close $fd;
 559                if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 560                        $retval = $1;
 561                }
 562        }
 563        if (defined $oENV) {
 564                $ENV{'GIT_DIR'} = $oENV;
 565        }
 566        return $retval;
 567}
 568
 569# get type of given object
 570sub git_get_type {
 571        my $hash = shift;
 572
 573        open my $fd, "-|", $GIT, "cat-file", '-t', $hash or return;
 574        my $type = <$fd>;
 575        close $fd or return;
 576        chomp $type;
 577        return $type;
 578}
 579
 580sub git_get_project_config {
 581        my ($key, $type) = @_;
 582
 583        return unless ($key);
 584        $key =~ s/^gitweb\.//;
 585        return if ($key =~ m/\W/);
 586
 587        my @x = ($GIT, 'repo-config');
 588        if (defined $type) { push @x, $type; }
 589        push @x, "--get";
 590        push @x, "gitweb.$key";
 591        my $val = qx(@x);
 592        chomp $val;
 593        return ($val);
 594}
 595
 596# get hash of given path at given ref
 597sub git_get_hash_by_path {
 598        my $base = shift;
 599        my $path = shift || return undef;
 600
 601        my $tree = $base;
 602
 603        open my $fd, "-|", $GIT, "ls-tree", $base, "--", $path
 604                or die_error(undef, "Open git-ls-tree failed");
 605        my $line = <$fd>;
 606        close $fd or return undef;
 607
 608        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
 609        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
 610        return $3;
 611}
 612
 613## ......................................................................
 614## git utility functions, directly accessing git repository
 615
 616# assumes that PATH is not symref
 617sub git_get_hash_by_ref {
 618        my $path = shift;
 619
 620        open my $fd, "$projectroot/$path" or return undef;
 621        my $head = <$fd>;
 622        close $fd;
 623        chomp $head;
 624        if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 625                return $head;
 626        }
 627}
 628
 629sub git_get_project_description {
 630        my $path = shift;
 631
 632        open my $fd, "$projectroot/$path/description" or return undef;
 633        my $descr = <$fd>;
 634        close $fd;
 635        chomp $descr;
 636        return $descr;
 637}
 638
 639sub git_get_project_url_list {
 640        my $path = shift;
 641
 642        open my $fd, "$projectroot/$path/cloneurl" or return undef;
 643        my @git_project_url_list = map { chomp; $_ } <$fd>;
 644        close $fd;
 645
 646        return wantarray ? @git_project_url_list : \@git_project_url_list;
 647}
 648
 649sub git_get_projects_list {
 650        my @list;
 651
 652        if (-d $projects_list) {
 653                # search in directory
 654                my $dir = $projects_list;
 655                opendir my ($dh), $dir or return undef;
 656                while (my $dir = readdir($dh)) {
 657                        if (-e "$projectroot/$dir/HEAD") {
 658                                my $pr = {
 659                                        path => $dir,
 660                                };
 661                                push @list, $pr
 662                        }
 663                }
 664                closedir($dh);
 665        } elsif (-f $projects_list) {
 666                # read from file(url-encoded):
 667                # 'git%2Fgit.git Linus+Torvalds'
 668                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 669                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 670                open my ($fd), $projects_list or return undef;
 671                while (my $line = <$fd>) {
 672                        chomp $line;
 673                        my ($path, $owner) = split ' ', $line;
 674                        $path = unescape($path);
 675                        $owner = unescape($owner);
 676                        if (!defined $path) {
 677                                next;
 678                        }
 679                        if (-e "$projectroot/$path/HEAD") {
 680                                my $pr = {
 681                                        path => $path,
 682                                        owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 683                                };
 684                                push @list, $pr
 685                        }
 686                }
 687                close $fd;
 688        }
 689        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 690        return @list;
 691}
 692
 693sub git_get_project_owner {
 694        my $project = shift;
 695        my $owner;
 696
 697        return undef unless $project;
 698
 699        # read from file (url-encoded):
 700        # 'git%2Fgit.git Linus+Torvalds'
 701        # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 702        # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 703        if (-f $projects_list) {
 704                open (my $fd , $projects_list);
 705                while (my $line = <$fd>) {
 706                        chomp $line;
 707                        my ($pr, $ow) = split ' ', $line;
 708                        $pr = unescape($pr);
 709                        $ow = unescape($ow);
 710                        if ($pr eq $project) {
 711                                $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
 712                                last;
 713                        }
 714                }
 715                close $fd;
 716        }
 717        if (!defined $owner) {
 718                $owner = get_file_owner("$projectroot/$project");
 719        }
 720
 721        return $owner;
 722}
 723
 724sub git_get_references {
 725        my $type = shift || "";
 726        my %refs;
 727        my $fd;
 728        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 729        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 730        if (-f "$projectroot/$project/info/refs") {
 731                open $fd, "$projectroot/$project/info/refs"
 732                        or return;
 733        } else {
 734                open $fd, "-|", $GIT, "ls-remote", "."
 735                        or return;
 736        }
 737
 738        while (my $line = <$fd>) {
 739                chomp $line;
 740                if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?[^\^]+)/) {
 741                        if (defined $refs{$1}) {
 742                                push @{$refs{$1}}, $2;
 743                        } else {
 744                                $refs{$1} = [ $2 ];
 745                        }
 746                }
 747        }
 748        close $fd or return;
 749        return \%refs;
 750}
 751
 752sub git_get_following_references {
 753        my $hash = shift || return undef;
 754        my $type = shift;
 755        my $base = shift || $hash_base || "HEAD";
 756
 757        my $refs = git_get_references($type);
 758        open my $fd, "-|", $GIT, "rev-list", $base
 759                or return undef;
 760        my @commits = map { chomp; $_ } <$fd>;
 761        close $fd
 762                or return undef;
 763
 764        my @reflist;
 765        my $lastref;
 766
 767        foreach my $commit (@commits) {
 768                foreach my $ref (@{$refs->{$commit}}) {
 769                        $lastref = $ref;
 770                        push @reflist, $lastref;
 771                }
 772                if ($commit eq $hash) {
 773                        last;
 774                }
 775        }
 776
 777        return wantarray ? @reflist : $lastref;
 778}
 779
 780sub git_get_preceding_references {
 781        my $hash = shift || return undef;
 782        my $type = shift;
 783
 784        my $refs = git_get_references($type);
 785        open my $fd, "-|", $GIT, "rev-list", $hash
 786                or return undef;
 787        my @commits = map { chomp; $_ } <$fd>;
 788        close $fd
 789                or return undef;
 790
 791        my @reflist;
 792
 793        foreach my $commit (@commits) {
 794                foreach my $ref (@{$refs->{$commit}}) {
 795                        return $ref unless wantarray;
 796                        push @reflist, $ref;
 797                }
 798        }
 799
 800        return @reflist;
 801}
 802
 803sub git_get_rev_name_tags {
 804        my $hash = shift || return undef;
 805
 806        open my $fd, "-|", $GIT, "name-rev", "--tags", $hash
 807                or return;
 808        my $name_rev = <$fd>;
 809        close $fd;
 810
 811        if ($name_rev =~ m|^$hash tags/(.*)$|) {
 812                return $1;
 813        } else {
 814                # catches also '$hash undefined' output
 815                return undef;
 816        }
 817}
 818
 819## ----------------------------------------------------------------------
 820## parse to hash functions
 821
 822sub parse_date {
 823        my $epoch = shift;
 824        my $tz = shift || "-0000";
 825
 826        my %date;
 827        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 828        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 829        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 830        $date{'hour'} = $hour;
 831        $date{'minute'} = $min;
 832        $date{'mday'} = $mday;
 833        $date{'day'} = $days[$wday];
 834        $date{'month'} = $months[$mon];
 835        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
 836                           $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 837        $date{'mday-time'} = sprintf "%d %s %02d:%02d",
 838                             $mday, $months[$mon], $hour ,$min;
 839
 840        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 841        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 842        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 843        $date{'hour_local'} = $hour;
 844        $date{'minute_local'} = $min;
 845        $date{'tz_local'} = $tz;
 846        return %date;
 847}
 848
 849sub parse_tag {
 850        my $tag_id = shift;
 851        my %tag;
 852        my @comment;
 853
 854        open my $fd, "-|", $GIT, "cat-file", "tag", $tag_id or return;
 855        $tag{'id'} = $tag_id;
 856        while (my $line = <$fd>) {
 857                chomp $line;
 858                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 859                        $tag{'object'} = $1;
 860                } elsif ($line =~ m/^type (.+)$/) {
 861                        $tag{'type'} = $1;
 862                } elsif ($line =~ m/^tag (.+)$/) {
 863                        $tag{'name'} = $1;
 864                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 865                        $tag{'author'} = $1;
 866                        $tag{'epoch'} = $2;
 867                        $tag{'tz'} = $3;
 868                } elsif ($line =~ m/--BEGIN/) {
 869                        push @comment, $line;
 870                        last;
 871                } elsif ($line eq "") {
 872                        last;
 873                }
 874        }
 875        push @comment, <$fd>;
 876        $tag{'comment'} = \@comment;
 877        close $fd or return;
 878        if (!defined $tag{'name'}) {
 879                return
 880        };
 881        return %tag
 882}
 883
 884sub parse_commit {
 885        my $commit_id = shift;
 886        my $commit_text = shift;
 887
 888        my @commit_lines;
 889        my %co;
 890
 891        if (defined $commit_text) {
 892                @commit_lines = @$commit_text;
 893        } else {
 894                $/ = "\0";
 895                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", "--max-count=1", $commit_id
 896                        or return;
 897                @commit_lines = split '\n', <$fd>;
 898                close $fd or return;
 899                $/ = "\n";
 900                pop @commit_lines;
 901        }
 902        my $header = shift @commit_lines;
 903        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 904                return;
 905        }
 906        ($co{'id'}, my @parents) = split ' ', $header;
 907        $co{'parents'} = \@parents;
 908        $co{'parent'} = $parents[0];
 909        while (my $line = shift @commit_lines) {
 910                last if $line eq "\n";
 911                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 912                        $co{'tree'} = $1;
 913                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 914                        $co{'author'} = $1;
 915                        $co{'author_epoch'} = $2;
 916                        $co{'author_tz'} = $3;
 917                        if ($co{'author'} =~ m/^([^<]+) </) {
 918                                $co{'author_name'} = $1;
 919                        } else {
 920                                $co{'author_name'} = $co{'author'};
 921                        }
 922                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 923                        $co{'committer'} = $1;
 924                        $co{'committer_epoch'} = $2;
 925                        $co{'committer_tz'} = $3;
 926                        $co{'committer_name'} = $co{'committer'};
 927                        $co{'committer_name'} =~ s/ <.*//;
 928                }
 929        }
 930        if (!defined $co{'tree'}) {
 931                return;
 932        };
 933
 934        foreach my $title (@commit_lines) {
 935                $title =~ s/^    //;
 936                if ($title ne "") {
 937                        $co{'title'} = chop_str($title, 80, 5);
 938                        # remove leading stuff of merges to make the interesting part visible
 939                        if (length($title) > 50) {
 940                                $title =~ s/^Automatic //;
 941                                $title =~ s/^merge (of|with) /Merge ... /i;
 942                                if (length($title) > 50) {
 943                                        $title =~ s/(http|rsync):\/\///;
 944                                }
 945                                if (length($title) > 50) {
 946                                        $title =~ s/(master|www|rsync)\.//;
 947                                }
 948                                if (length($title) > 50) {
 949                                        $title =~ s/kernel.org:?//;
 950                                }
 951                                if (length($title) > 50) {
 952                                        $title =~ s/\/pub\/scm//;
 953                                }
 954                        }
 955                        $co{'title_short'} = chop_str($title, 50, 5);
 956                        last;
 957                }
 958        }
 959        # remove added spaces
 960        foreach my $line (@commit_lines) {
 961                $line =~ s/^    //;
 962        }
 963        $co{'comment'} = \@commit_lines;
 964
 965        my $age = time - $co{'committer_epoch'};
 966        $co{'age'} = $age;
 967        $co{'age_string'} = age_string($age);
 968        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 969        if ($age > 60*60*24*7*2) {
 970                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 971                $co{'age_string_age'} = $co{'age_string'};
 972        } else {
 973                $co{'age_string_date'} = $co{'age_string'};
 974                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 975        }
 976        return %co;
 977}
 978
 979# parse ref from ref_file, given by ref_id, with given type
 980sub parse_ref {
 981        my $ref_file = shift;
 982        my $ref_id = shift;
 983        my $type = shift || git_get_type($ref_id);
 984        my %ref_item;
 985
 986        $ref_item{'type'} = $type;
 987        $ref_item{'id'} = $ref_id;
 988        $ref_item{'epoch'} = 0;
 989        $ref_item{'age'} = "unknown";
 990        if ($type eq "tag") {
 991                my %tag = parse_tag($ref_id);
 992                $ref_item{'comment'} = $tag{'comment'};
 993                if ($tag{'type'} eq "commit") {
 994                        my %co = parse_commit($tag{'object'});
 995                        $ref_item{'epoch'} = $co{'committer_epoch'};
 996                        $ref_item{'age'} = $co{'age_string'};
 997                } elsif (defined($tag{'epoch'})) {
 998                        my $age = time - $tag{'epoch'};
 999                        $ref_item{'epoch'} = $tag{'epoch'};
1000                        $ref_item{'age'} = age_string($age);
1001                }
1002                $ref_item{'reftype'} = $tag{'type'};
1003                $ref_item{'name'} = $tag{'name'};
1004                $ref_item{'refid'} = $tag{'object'};
1005        } elsif ($type eq "commit"){
1006                my %co = parse_commit($ref_id);
1007                $ref_item{'reftype'} = "commit";
1008                $ref_item{'name'} = $ref_file;
1009                $ref_item{'title'} = $co{'title'};
1010                $ref_item{'refid'} = $ref_id;
1011                $ref_item{'epoch'} = $co{'committer_epoch'};
1012                $ref_item{'age'} = $co{'age_string'};
1013        } else {
1014                $ref_item{'reftype'} = $type;
1015                $ref_item{'name'} = $ref_file;
1016                $ref_item{'refid'} = $ref_id;
1017        }
1018
1019        return %ref_item;
1020}
1021
1022# parse line of git-diff-tree "raw" output
1023sub parse_difftree_raw_line {
1024        my $line = shift;
1025        my %res;
1026
1027        # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M   ls-files.c'
1028        # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M   rev-tree.c'
1029        if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
1030                $res{'from_mode'} = $1;
1031                $res{'to_mode'} = $2;
1032                $res{'from_id'} = $3;
1033                $res{'to_id'} = $4;
1034                $res{'status'} = $5;
1035                $res{'similarity'} = $6;
1036                if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
1037                        ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
1038                } else {
1039                        $res{'file'} = unquote($7);
1040                }
1041        }
1042        # 'c512b523472485aef4fff9e57b229d9d243c967f'
1043        #elsif ($line =~ m/^([0-9a-fA-F]{40})$/) {
1044        #       $res{'commit'} = $1;
1045        #}
1046
1047        return wantarray ? %res : \%res;
1048}
1049
1050## ......................................................................
1051## parse to array of hashes functions
1052
1053sub git_get_refs_list {
1054        my $ref_dir = shift;
1055        my @reflist;
1056
1057        my @refs;
1058        my $pfxlen = length("$projectroot/$project/$ref_dir");
1059        File::Find::find(sub {
1060                return if (/^\./);
1061                if (-f $_) {
1062                        push @refs, substr($File::Find::name, $pfxlen + 1);
1063                }
1064        }, "$projectroot/$project/$ref_dir");
1065
1066        foreach my $ref_file (@refs) {
1067                my $ref_id = git_get_hash_by_ref("$project/$ref_dir/$ref_file");
1068                my $type = git_get_type($ref_id) || next;
1069                my %ref_item = parse_ref($ref_file, $ref_id, $type);
1070
1071                push @reflist, \%ref_item;
1072        }
1073        # sort refs by age
1074        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1075        return \@reflist;
1076}
1077
1078## ----------------------------------------------------------------------
1079## filesystem-related functions
1080
1081sub get_file_owner {
1082        my $path = shift;
1083
1084        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
1085        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
1086        if (!defined $gcos) {
1087                return undef;
1088        }
1089        my $owner = $gcos;
1090        $owner =~ s/[,;].*$//;
1091        return decode("utf8", $owner, Encode::FB_DEFAULT);
1092}
1093
1094## ......................................................................
1095## mimetype related functions
1096
1097sub mimetype_guess_file {
1098        my $filename = shift;
1099        my $mimemap = shift;
1100        -r $mimemap or return undef;
1101
1102        my %mimemap;
1103        open(MIME, $mimemap) or return undef;
1104        while (<MIME>) {
1105                next if m/^#/; # skip comments
1106                my ($mime, $exts) = split(/\t+/);
1107                if (defined $exts) {
1108                        my @exts = split(/\s+/, $exts);
1109                        foreach my $ext (@exts) {
1110                                $mimemap{$ext} = $mime;
1111                        }
1112                }
1113        }
1114        close(MIME);
1115
1116        $filename =~ /\.(.*?)$/;
1117        return $mimemap{$1};
1118}
1119
1120sub mimetype_guess {
1121        my $filename = shift;
1122        my $mime;
1123        $filename =~ /\./ or return undef;
1124
1125        if ($mimetypes_file) {
1126                my $file = $mimetypes_file;
1127                if ($file !~ m!^/!) { # if it is relative path
1128                        # it is relative to project
1129                        $file = "$projectroot/$project/$file";
1130                }
1131                $mime = mimetype_guess_file($filename, $file);
1132        }
1133        $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1134        return $mime;
1135}
1136
1137sub blob_mimetype {
1138        my $fd = shift;
1139        my $filename = shift;
1140
1141        if ($filename) {
1142                my $mime = mimetype_guess($filename);
1143                $mime and return $mime;
1144        }
1145
1146        # just in case
1147        return $default_blob_plain_mimetype unless $fd;
1148
1149        if (-T $fd) {
1150                return 'text/plain' .
1151                       ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1152        } elsif (! $filename) {
1153                return 'application/octet-stream';
1154        } elsif ($filename =~ m/\.png$/i) {
1155                return 'image/png';
1156        } elsif ($filename =~ m/\.gif$/i) {
1157                return 'image/gif';
1158        } elsif ($filename =~ m/\.jpe?g$/i) {
1159                return 'image/jpeg';
1160        } else {
1161                return 'application/octet-stream';
1162        }
1163}
1164
1165## ======================================================================
1166## functions printing HTML: header, footer, error page
1167
1168sub git_header_html {
1169        my $status = shift || "200 OK";
1170        my $expires = shift;
1171
1172        my $title = "$site_name git";
1173        if (defined $project) {
1174                $title .= " - $project";
1175                if (defined $action) {
1176                        $title .= "/$action";
1177                        if (defined $file_name) {
1178                                $title .= " - $file_name";
1179                                if ($action eq "tree" && $file_name !~ m|/$|) {
1180                                        $title .= "/";
1181                                }
1182                        }
1183                }
1184        }
1185        my $content_type;
1186        # require explicit support from the UA if we are to send the page as
1187        # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
1188        # we have to do this because MSIE sometimes globs '*/*', pretending to
1189        # support xhtml+xml but choking when it gets what it asked for.
1190        if (defined $cgi->http('HTTP_ACCEPT') &&
1191            $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ &&
1192            $cgi->Accept('application/xhtml+xml') != 0) {
1193                $content_type = 'application/xhtml+xml';
1194        } else {
1195                $content_type = 'text/html';
1196        }
1197        print $cgi->header(-type=>$content_type, -charset => 'utf-8',
1198                           -status=> $status, -expires => $expires);
1199        print <<EOF;
1200<?xml version="1.0" encoding="utf-8"?>
1201<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
1202<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
1203<!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
1204<!-- git core binaries version $git_version -->
1205<head>
1206<meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
1207<meta name="generator" content="gitweb/$version git/$git_version"/>
1208<meta name="robots" content="index, nofollow"/>
1209<title>$title</title>
1210<link rel="stylesheet" type="text/css" href="$stylesheet"/>
1211EOF
1212        if (defined $project) {
1213                printf('<link rel="alternate" title="%s log" '.
1214                       'href="%s" type="application/rss+xml"/>'."\n",
1215                       esc_param($project), href(action=>"rss"));
1216        }
1217
1218        print "</head>\n" .
1219              "<body>\n" .
1220              "<div class=\"page_header\">\n" .
1221              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
1222              "<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
1223              "</a>\n";
1224        print $cgi->a({-href => esc_param($home_link)}, $home_link_str) . " / ";
1225        if (defined $project) {
1226                print $cgi->a({-href => href(action=>"summary")}, esc_html($project));
1227                if (defined $action) {
1228                        print " / $action";
1229                }
1230                print "\n";
1231                if (!defined $searchtext) {
1232                        $searchtext = "";
1233                }
1234                my $search_hash;
1235                if (defined $hash_base) {
1236                        $search_hash = $hash_base;
1237                } elsif (defined $hash) {
1238                        $search_hash = $hash;
1239                } else {
1240                        $search_hash = "HEAD";
1241                }
1242                $cgi->param("a", "search");
1243                $cgi->param("h", $search_hash);
1244                print $cgi->startform(-method => "get", -action => $my_uri) .
1245                      "<div class=\"search\">\n" .
1246                      $cgi->hidden(-name => "p") . "\n" .
1247                      $cgi->hidden(-name => "a") . "\n" .
1248                      $cgi->hidden(-name => "h") . "\n" .
1249                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
1250                      "</div>" .
1251                      $cgi->end_form() . "\n";
1252        }
1253        print "</div>\n";
1254}
1255
1256sub git_footer_html {
1257        print "<div class=\"page_footer\">\n";
1258        if (defined $project) {
1259                my $descr = git_get_project_description($project);
1260                if (defined $descr) {
1261                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
1262                }
1263                print $cgi->a({-href => href(action=>"rss"), -class => "rss_logo"}, "RSS") . "\n";
1264        } else {
1265                print $cgi->a({-href => href(action=>"opml"), -class => "rss_logo"}, "OPML") . "\n";
1266        }
1267        print "</div>\n" .
1268              "</body>\n" .
1269              "</html>";
1270}
1271
1272sub die_error {
1273        my $status = shift || "403 Forbidden";
1274        my $error = shift || "Malformed query, file missing or permission denied";
1275
1276        git_header_html($status);
1277        print <<EOF;
1278<div class="page_body">
1279<br /><br />
1280$status - $error
1281<br />
1282</div>
1283EOF
1284        git_footer_html();
1285        exit;
1286}
1287
1288## ----------------------------------------------------------------------
1289## functions printing or outputting HTML: navigation
1290
1291sub git_print_page_nav {
1292        my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
1293        $extra = '' if !defined $extra; # pager or formats
1294
1295        my @navs = qw(summary shortlog log commit commitdiff tree);
1296        if ($suppress) {
1297                @navs = grep { $_ ne $suppress } @navs;
1298        }
1299
1300        my %arg = map { $_ => {action=>$_} } @navs;
1301        if (defined $head) {
1302                for (qw(commit commitdiff)) {
1303                        $arg{$_}{hash} = $head;
1304                }
1305                if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
1306                        for (qw(shortlog log)) {
1307                                $arg{$_}{hash} = $head;
1308                        }
1309                }
1310        }
1311        $arg{tree}{hash} = $treehead if defined $treehead;
1312        $arg{tree}{hash_base} = $treebase if defined $treebase;
1313
1314        print "<div class=\"page_nav\">\n" .
1315                (join " | ",
1316                 map { $_ eq $current ?
1317                       $_ : $cgi->a({-href => href(%{$arg{$_}})}, "$_")
1318                 } @navs);
1319        print "<br/>\n$extra<br/>\n" .
1320              "</div>\n";
1321}
1322
1323sub format_paging_nav {
1324        my ($action, $hash, $head, $page, $nrevs) = @_;
1325        my $paging_nav;
1326
1327
1328        if ($hash ne $head || $page) {
1329                $paging_nav .= $cgi->a({-href => href(action=>$action)}, "HEAD");
1330        } else {
1331                $paging_nav .= "HEAD";
1332        }
1333
1334        if ($page > 0) {
1335                $paging_nav .= " &sdot; " .
1336                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page-1),
1337                                 -accesskey => "p", -title => "Alt-p"}, "prev");
1338        } else {
1339                $paging_nav .= " &sdot; prev";
1340        }
1341
1342        if ($nrevs >= (100 * ($page+1)-1)) {
1343                $paging_nav .= " &sdot; " .
1344                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page+1),
1345                                 -accesskey => "n", -title => "Alt-n"}, "next");
1346        } else {
1347                $paging_nav .= " &sdot; next";
1348        }
1349
1350        return $paging_nav;
1351}
1352
1353## ......................................................................
1354## functions printing or outputting HTML: div
1355
1356sub git_print_header_div {
1357        my ($action, $title, $hash, $hash_base) = @_;
1358        my %args = ();
1359
1360        $args{action} = $action;
1361        $args{hash} = $hash if $hash;
1362        $args{hash_base} = $hash_base if $hash_base;
1363
1364        print "<div class=\"header\">\n" .
1365              $cgi->a({-href => href(%args), -class => "title"},
1366              $title ? $title : $action) .
1367              "\n</div>\n";
1368}
1369
1370sub git_print_page_path {
1371        my $name = shift;
1372        my $type = shift;
1373        my $hb = shift;
1374
1375        if (!defined $name) {
1376                print "<div class=\"page_path\">/</div>\n";
1377        } elsif (defined $type && $type eq 'blob') {
1378                print "<div class=\"page_path\">";
1379                if (defined $hb) {
1380                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
1381                                                     hash_base=>$hb)},
1382                                      esc_html($name));
1383                } else {
1384                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name)},
1385                                      esc_html($name));
1386                }
1387                print "<br/></div>\n";
1388        } else {
1389                print "<div class=\"page_path\">" . esc_html($name) . "<br/></div>\n";
1390        }
1391}
1392
1393sub git_print_log {
1394        my $log = shift;
1395
1396        # remove leading empty lines
1397        while (defined $log->[0] && $log->[0] eq "") {
1398                shift @$log;
1399        }
1400
1401        # print log
1402        my $signoff = 0;
1403        my $empty = 0;
1404        foreach my $line (@$log) {
1405                # print only one empty line
1406                # do not print empty line after signoff
1407                if ($line eq "") {
1408                        next if ($empty || $signoff);
1409                        $empty = 1;
1410                } else {
1411                        $empty = 0;
1412                }
1413                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1414                        $signoff = 1;
1415                        print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1416                } else {
1417                        $signoff = 0;
1418                        print format_log_line_html($line) . "<br/>\n";
1419                }
1420        }
1421}
1422
1423sub git_print_simplified_log {
1424        my $log = shift;
1425        my $remove_title = shift;
1426
1427        shift @$log if $remove_title;
1428        # remove leading empty lines
1429        while (defined $log->[0] && $log->[0] eq "") {
1430                shift @$log;
1431        }
1432
1433        # simplify and print log
1434        my $empty = 0;
1435        foreach my $line (@$log) {
1436                # remove signoff lines
1437                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1438                        next;
1439                }
1440                # print only one empty line
1441                if ($line eq "") {
1442                        next if $empty;
1443                        $empty = 1;
1444                } else {
1445                        $empty = 0;
1446                }
1447                print format_log_line_html($line) . "<br/>\n";
1448        }
1449        # end with single empty line
1450        print "<br/>\n" unless $empty;
1451}
1452
1453## ......................................................................
1454## functions printing large fragments of HTML
1455
1456sub git_difftree_body {
1457        my ($difftree, $hash, $parent) = @_;
1458
1459        print "<div class=\"list_head\">\n";
1460        if ($#{$difftree} > 10) {
1461                print(($#{$difftree} + 1) . " files changed:\n");
1462        }
1463        print "</div>\n";
1464
1465        print "<table class=\"diff_tree\">\n";
1466        my $alternate = 0;
1467        foreach my $line (@{$difftree}) {
1468                my %diff = parse_difftree_raw_line($line);
1469
1470                if ($alternate) {
1471                        print "<tr class=\"dark\">\n";
1472                } else {
1473                        print "<tr class=\"light\">\n";
1474                }
1475                $alternate ^= 1;
1476
1477                my ($to_mode_oct, $to_mode_str, $to_file_type);
1478                my ($from_mode_oct, $from_mode_str, $from_file_type);
1479                if ($diff{'to_mode'} ne ('0' x 6)) {
1480                        $to_mode_oct = oct $diff{'to_mode'};
1481                        if (S_ISREG($to_mode_oct)) { # only for regular file
1482                                $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
1483                        }
1484                        $to_file_type = file_type($diff{'to_mode'});
1485                }
1486                if ($diff{'from_mode'} ne ('0' x 6)) {
1487                        $from_mode_oct = oct $diff{'from_mode'};
1488                        if (S_ISREG($to_mode_oct)) { # only for regular file
1489                                $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
1490                        }
1491                        $from_file_type = file_type($diff{'from_mode'});
1492                }
1493
1494                if ($diff{'status'} eq "A") { # created
1495                        my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
1496                        $mode_chng   .= " with mode: $to_mode_str" if $to_mode_str;
1497                        $mode_chng   .= "]</span>";
1498                        print "<td>" .
1499                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1500                                                     hash_base=>$hash, file_name=>$diff{'file'}),
1501                                      -class => "list"}, esc_html($diff{'file'})) .
1502                              "</td>\n" .
1503                              "<td>$mode_chng</td>\n" .
1504                              "<td class=\"link\">" .
1505                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1506                                                     hash_base=>$hash, file_name=>$diff{'file'})},
1507                                      "blob") .
1508                              "</td>\n";
1509
1510                } elsif ($diff{'status'} eq "D") { # deleted
1511                        my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
1512                        print "<td>" .
1513                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1514                                                     hash_base=>$parent, file_name=>$diff{'file'}),
1515                                       -class => "list"}, esc_html($diff{'file'})) .
1516                              "</td>\n" .
1517                              "<td>$mode_chng</td>\n" .
1518                              "<td class=\"link\">" .
1519                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1520                                                     hash_base=>$parent, file_name=>$diff{'file'})},
1521                                      "blob") .
1522                              " | " .
1523                              $cgi->a({-href => href(action=>"history", hash_base=>$parent,
1524                                                     file_name=>$diff{'file'})},\
1525                                      "history") .
1526                              "</td>\n";
1527
1528                } elsif ($diff{'status'} eq "M" || $diff{'status'} eq "T") { # modified, or type changed
1529                        my $mode_chnge = "";
1530                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1531                                $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
1532                                if ($from_file_type != $to_file_type) {
1533                                        $mode_chnge .= " from $from_file_type to $to_file_type";
1534                                }
1535                                if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
1536                                        if ($from_mode_str && $to_mode_str) {
1537                                                $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
1538                                        } elsif ($to_mode_str) {
1539                                                $mode_chnge .= " mode: $to_mode_str";
1540                                        }
1541                                }
1542                                $mode_chnge .= "]</span>\n";
1543                        }
1544                        print "<td>";
1545                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1546                                print $cgi->a({-href => href(action=>"blobdiff", hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1547                                                             hash_base=>$hash, file_name=>$diff{'file'}),
1548                                              -class => "list"}, esc_html($diff{'file'}));
1549                        } else { # only mode changed
1550                                print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1551                                                             hash_base=>$hash, file_name=>$diff{'file'}),
1552                                              -class => "list"}, esc_html($diff{'file'}));
1553                        }
1554                        print "</td>\n" .
1555                              "<td>$mode_chnge</td>\n" .
1556                              "<td class=\"link\">" .
1557                                $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1558                                                       hash_base=>$hash, file_name=>$diff{'file'})},
1559                                        "blob");
1560                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1561                                print " | " .
1562                                        $cgi->a({-href => href(action=>"blobdiff", hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1563                                                               hash_base=>$hash, file_name=>$diff{'file'})},
1564                                                "diff");
1565                        }
1566                        print " | " .
1567                                $cgi->a({-href => href(action=>"history",
1568                                                       hash_base=>$hash, file_name=>$diff{'file'})},
1569                                        "history");
1570                        print "</td>\n";
1571
1572                } elsif ($diff{'status'} eq "R" || $diff{'status'} eq "C") { # renamed or copied
1573                        my %status_name = ('R' => 'moved', 'C' => 'copied');
1574                        my $nstatus = $status_name{$diff{'status'}};
1575                        my $mode_chng = "";
1576                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1577                                # mode also for directories, so we cannot use $to_mode_str
1578                                $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
1579                        }
1580                        print "<td>" .
1581                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1582                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'}),
1583                                      -class => "list"}, esc_html($diff{'to_file'})) . "</td>\n" .
1584                              "<td><span class=\"file_status $nstatus\">[$nstatus from " .
1585                              $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
1586                                                     hash=>$diff{'from_id'}, file_name=>$diff{'from_file'}),
1587                                      -class => "list"}, esc_html($diff{'from_file'})) .
1588                              " with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
1589                              "<td class=\"link\">" .
1590                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1591                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'})},
1592                                      "blob");
1593                        if ($diff{'to_id'} ne $diff{'from_id'}) {
1594                                print " | " .
1595                                        $cgi->a({-href => href(action=>"blobdiff", hash_base=>$hash,
1596                                                               hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1597                                                               file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
1598                                                "diff");
1599                        }
1600                        print "</td>\n";
1601
1602                } # we should not encounter Unmerged (U) or Unknown (X) status
1603                print "</tr>\n";
1604        }
1605        print "</table>\n";
1606}
1607
1608sub git_patchset_body {
1609        my ($fd, $difftree, $hash, $hash_parent) = @_;
1610
1611        my $patch_idx = 0;
1612        my $in_header = 0;
1613        my $patch_found = 0;
1614        my %diffinfo;
1615
1616        print "<div class=\"patchset\">\n";
1617
1618        LINE:
1619        while (my $patch_line @$fd>) {
1620                chomp $patch_line;
1621
1622                if ($patch_line =~ m/^diff /) { # "git diff" header
1623                        # beginning of patch (in patchset)
1624                        if ($patch_found) {
1625                                # close previous patch
1626                                print "</div>\n"; # class="patch"
1627                        } else {
1628                                # first patch in patchset
1629                                $patch_found = 1;
1630                        }
1631                        print "<div class=\"patch\">\n";
1632
1633                        %diffinfo = parse_difftree_raw_line($difftree->[$patch_idx++]);
1634
1635                        # for now, no extended header, hence we skip empty patches
1636                        # companion to  next LINE if $in_header;
1637                        if ($diffinfo{'from_id'} eq $diffinfo{'to_id'}) { # no change
1638                                $in_header = 1;
1639                                next LINE;
1640                        }
1641
1642                        if ($diffinfo{'status'} eq "A") { # added
1643                                print "<div class=\"diff_info\">" . file_type($diffinfo{'to_mode'}) . ":" .
1644                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1645                                                             hash=>$diffinfo{'to_id'}, file_name=>$diffinfo{'file'})},
1646                                              $diffinfo{'to_id'}) . "(new)" .
1647                                      "</div>\n"; # class="diff_info"
1648
1649                        } elsif ($diffinfo{'status'} eq "D") { # deleted
1650                                print "<div class=\"diff_info\">" . file_type($diffinfo{'from_mode'}) . ":" .
1651                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1652                                                             hash=>$diffinfo{'from_id'}, file_name=>$diffinfo{'file'})},
1653                                              $diffinfo{'from_id'}) . "(deleted)" .
1654                                      "</div>\n"; # class="diff_info"
1655
1656                        } elsif ($diffinfo{'status'} eq "R" || # renamed
1657                                 $diffinfo{'status'} eq "C") { # copied
1658                                print "<div class=\"diff_info\">" .
1659                                      file_type($diffinfo{'from_mode'}) . ":" .
1660                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1661                                                             hash=>$diffinfo{'from_id'}, file_name=>$diffinfo{'from_file'})},
1662                                              $diffinfo{'from_id'}) .
1663                                      " -> " .
1664                                      file_type($diffinfo{'to_mode'}) . ":" .
1665                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1666                                                             hash=>$diffinfo{'to_id'}, file_name=>$diffinfo{'to_file'})},
1667                                              $diffinfo{'to_id'});
1668                                print "</div>\n"; # class="diff_info"
1669
1670                        } else { # modified, mode changed, ...
1671                                print "<div class=\"diff_info\">" .
1672                                      file_type($diffinfo{'from_mode'}) . ":" .
1673                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1674                                                             hash=>$diffinfo{'from_id'}, file_name=>$diffinfo{'file'})},
1675                                              $diffinfo{'from_id'}) .
1676                                      " -> " .
1677                                      file_type($diffinfo{'to_mode'}) . ":" .
1678                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1679                                                             hash=>$diffinfo{'to_id'}, file_name=>$diffinfo{'file'})},
1680                                              $diffinfo{'to_id'});
1681                                print "</div>\n"; # class="diff_info"
1682                        }
1683
1684                        #print "<div class=\"diff extended_header\">\n";
1685                        $in_header = 1;
1686                        next LINE;
1687                } # start of patch in patchset
1688
1689
1690                if ($in_header && $patch_line =~ m/^---/) {
1691                        #print "</div>\n"
1692                        $in_header = 0;
1693                }
1694                next LINE if $in_header;
1695
1696                print format_diff_line($patch_line);
1697        }
1698        print "</div>\n" if $patch_found; # class="patch"
1699
1700        print "</div>\n"; # class="patchset"
1701}
1702
1703# . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1704
1705sub git_shortlog_body {
1706        # uses global variable $project
1707        my ($revlist, $from, $to, $refs, $extra) = @_;
1708
1709        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
1710        my $have_snapshot = (defined $ctype && defined $suffix);
1711
1712        $from = 0 unless defined $from;
1713        $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
1714
1715        print "<table class=\"shortlog\" cellspacing=\"0\">\n";
1716        my $alternate = 0;
1717        for (my $i = $from; $i <= $to; $i++) {
1718                my $commit = $revlist->[$i];
1719                #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
1720                my $ref = format_ref_marker($refs, $commit);
1721                my %co = parse_commit($commit);
1722                if ($alternate) {
1723                        print "<tr class=\"dark\">\n";
1724                } else {
1725                        print "<tr class=\"light\">\n";
1726                }
1727                $alternate ^= 1;
1728                # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
1729                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1730                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1731                      "<td>";
1732                print format_subject_html($co{'title'}, $co{'title_short'},
1733                                          href(action=>"commit", hash=>$commit), $ref);
1734                print "</td>\n" .
1735                      "<td class=\"link\">" .
1736                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
1737                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
1738                if ($have_snapshot) {
1739                        print " | " .  $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
1740                }
1741                print "</td>\n" .
1742                      "</tr>\n";
1743        }
1744        if (defined $extra) {
1745                print "<tr>\n" .
1746                      "<td colspan=\"4\">$extra</td>\n" .
1747                      "</tr>\n";
1748        }
1749        print "</table>\n";
1750}
1751
1752sub git_history_body {
1753        # Warning: assumes constant type (blob or tree) during history
1754        my ($fd, $refs, $hash_base, $ftype, $extra) = @_;
1755
1756        print "<table class=\"history\" cellspacing=\"0\">\n";
1757        my $alternate = 0;
1758        while (my $line = <$fd>) {
1759                if ($line !~ m/^([0-9a-fA-F]{40})/) {
1760                        next;
1761                }
1762
1763                my $commit = $1;
1764                my %co = parse_commit($commit);
1765                if (!%co) {
1766                        next;
1767                }
1768
1769                my $ref = format_ref_marker($refs, $commit);
1770
1771                if ($alternate) {
1772                        print "<tr class=\"dark\">\n";
1773                } else {
1774                        print "<tr class=\"light\">\n";
1775                }
1776                $alternate ^= 1;
1777                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1778                      # shortlog uses      chop_str($co{'author_name'}, 10)
1779                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
1780                      "<td>";
1781                # originally git_history used chop_str($co{'title'}, 50)
1782                print format_subject_html($co{'title'}, $co{'title_short'},
1783                                          href(action=>"commit", hash=>$commit), $ref);
1784                print "</td>\n" .
1785                      "<td class=\"link\">" .
1786                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
1787                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
1788                      $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype);
1789
1790                if ($ftype eq 'blob') {
1791                        my $blob_current = git_get_hash_by_path($hash_base, $file_name);
1792                        my $blob_parent  = git_get_hash_by_path($commit, $file_name);
1793                        if (defined $blob_current && defined $blob_parent &&
1794                                        $blob_current ne $blob_parent) {
1795                                print " | " .
1796                                        $cgi->a({-href => href(action=>"blobdiff", hash=>$blob_current, hash_parent=>$blob_parent,
1797                                                               hash_base=>$commit, file_name=>$file_name)},
1798                                                "diff to current");
1799                        }
1800                }
1801                print "</td>\n" .
1802                      "</tr>\n";
1803        }
1804        if (defined $extra) {
1805                print "<tr>\n" .
1806                      "<td colspan=\"4\">$extra</td>\n" .
1807                      "</tr>\n";
1808        }
1809        print "</table>\n";
1810}
1811
1812sub git_tags_body {
1813        # uses global variable $project
1814        my ($taglist, $from, $to, $extra) = @_;
1815        $from = 0 unless defined $from;
1816        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1817
1818        print "<table class=\"tags\" cellspacing=\"0\">\n";
1819        my $alternate = 0;
1820        for (my $i = $from; $i <= $to; $i++) {
1821                my $entry = $taglist->[$i];
1822                my %tag = %$entry;
1823                my $comment_lines = $tag{'comment'};
1824                my $comment = shift @$comment_lines;
1825                my $comment_short;
1826                if (defined $comment) {
1827                        $comment_short = chop_str($comment, 30, 5);
1828                }
1829                if ($alternate) {
1830                        print "<tr class=\"dark\">\n";
1831                } else {
1832                        print "<tr class=\"light\">\n";
1833                }
1834                $alternate ^= 1;
1835                print "<td><i>$tag{'age'}</i></td>\n" .
1836                      "<td>" .
1837                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
1838                               -class => "list name"}, esc_html($tag{'name'})) .
1839                      "</td>\n" .
1840                      "<td>";
1841                if (defined $comment) {
1842                        print format_subject_html($comment, $comment_short,
1843                                                  href(action=>"tag", hash=>$tag{'id'}));
1844                }
1845                print "</td>\n" .
1846                      "<td class=\"selflink\">";
1847                if ($tag{'type'} eq "tag") {
1848                        print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
1849                } else {
1850                        print "&nbsp;";
1851                }
1852                print "</td>\n" .
1853                      "<td class=\"link\">" . " | " .
1854                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
1855                if ($tag{'reftype'} eq "commit") {
1856                        print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") .
1857                              " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'refid'})}, "log");
1858                } elsif ($tag{'reftype'} eq "blob") {
1859                        print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
1860                }
1861                print "</td>\n" .
1862                      "</tr>";
1863        }
1864        if (defined $extra) {
1865                print "<tr>\n" .
1866                      "<td colspan=\"5\">$extra</td>\n" .
1867                      "</tr>\n";
1868        }
1869        print "</table>\n";
1870}
1871
1872sub git_heads_body {
1873        # uses global variable $project
1874        my ($taglist, $head, $from, $to, $extra) = @_;
1875        $from = 0 unless defined $from;
1876        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1877
1878        print "<table class=\"heads\" cellspacing=\"0\">\n";
1879        my $alternate = 0;
1880        for (my $i = $from; $i <= $to; $i++) {
1881                my $entry = $taglist->[$i];
1882                my %tag = %$entry;
1883                my $curr = $tag{'id'} eq $head;
1884                if ($alternate) {
1885                        print "<tr class=\"dark\">\n";
1886                } else {
1887                        print "<tr class=\"light\">\n";
1888                }
1889                $alternate ^= 1;
1890                print "<td><i>$tag{'age'}</i></td>\n" .
1891                      ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
1892                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'}),
1893                               -class => "list name"},esc_html($tag{'name'})) .
1894                      "</td>\n" .
1895                      "<td class=\"link\">" .
1896                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") . " | " .
1897                      $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log") .
1898                      "</td>\n" .
1899                      "</tr>";
1900        }
1901        if (defined $extra) {
1902                print "<tr>\n" .
1903                      "<td colspan=\"3\">$extra</td>\n" .
1904                      "</tr>\n";
1905        }
1906        print "</table>\n";
1907}
1908
1909## ----------------------------------------------------------------------
1910## functions printing large fragments, format as one of arguments
1911
1912sub git_diff_print {
1913        my $from = shift;
1914        my $from_name = shift;
1915        my $to = shift;
1916        my $to_name = shift;
1917        my $format = shift || "html";
1918
1919        my $from_tmp = "/dev/null";
1920        my $to_tmp = "/dev/null";
1921        my $pid = $$;
1922
1923        # create tmp from-file
1924        if (defined $from) {
1925                $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
1926                open my $fd2, "> $from_tmp";
1927                open my $fd, "-|", $GIT, "cat-file", "blob", $from;
1928                my @file = <$fd>;
1929                print $fd2 @file;
1930                close $fd2;
1931                close $fd;
1932        }
1933
1934        # create tmp to-file
1935        if (defined $to) {
1936                $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
1937                open my $fd2, "> $to_tmp";
1938                open my $fd, "-|", $GIT, "cat-file", "blob", $to;
1939                my @file = <$fd>;
1940                print $fd2 @file;
1941                close $fd2;
1942                close $fd;
1943        }
1944
1945        open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
1946        if ($format eq "plain") {
1947                undef $/;
1948                print <$fd>;
1949                $/ = "\n";
1950        } else {
1951                while (my $line = <$fd>) {
1952                        chomp $line;
1953                        my $char = substr($line, 0, 1);
1954                        my $diff_class = "";
1955                        if ($char eq '+') {
1956                                $diff_class = " add";
1957                        } elsif ($char eq "-") {
1958                                $diff_class = " rem";
1959                        } elsif ($char eq "@") {
1960                                $diff_class = " chunk_header";
1961                        } elsif ($char eq "\\") {
1962                                # skip errors
1963                                next;
1964                        }
1965                        $line = untabify($line);
1966                        print "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
1967                }
1968        }
1969        close $fd;
1970
1971        if (defined $from) {
1972                unlink($from_tmp);
1973        }
1974        if (defined $to) {
1975                unlink($to_tmp);
1976        }
1977}
1978
1979
1980## ======================================================================
1981## ======================================================================
1982## actions
1983
1984sub git_project_list {
1985        my $order = $cgi->param('o');
1986        if (defined $order && $order !~ m/project|descr|owner|age/) {
1987                die_error(undef, "Unknown order parameter");
1988        }
1989
1990        my @list = git_get_projects_list();
1991        my @projects;
1992        if (!@list) {
1993                die_error(undef, "No projects found");
1994        }
1995        foreach my $pr (@list) {
1996                my $head = git_get_head_hash($pr->{'path'});
1997                if (!defined $head) {
1998                        next;
1999                }
2000                $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
2001                my %co = parse_commit($head);
2002                if (!%co) {
2003                        next;
2004                }
2005                $pr->{'commit'} = \%co;
2006                if (!defined $pr->{'descr'}) {
2007                        my $descr = git_get_project_description($pr->{'path'}) || "";
2008                        $pr->{'descr'} = chop_str($descr, 25, 5);
2009                }
2010                if (!defined $pr->{'owner'}) {
2011                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
2012                }
2013                push @projects, $pr;
2014        }
2015
2016        git_header_html();
2017        if (-f $home_text) {
2018                print "<div class=\"index_include\">\n";
2019                open (my $fd, $home_text);
2020                print <$fd>;
2021                close $fd;
2022                print "</div>\n";
2023        }
2024        print "<table class=\"project_list\">\n" .
2025              "<tr>\n";
2026        $order ||= "project";
2027        if ($order eq "project") {
2028                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
2029                print "<th>Project</th>\n";
2030        } else {
2031                print "<th>" .
2032                      $cgi->a({-href => "$my_uri?" . esc_param("o=project"),
2033                               -class => "header"}, "Project") .
2034                      "</th>\n";
2035        }
2036        if ($order eq "descr") {
2037                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
2038                print "<th>Description</th>\n";
2039        } else {
2040                print "<th>" .
2041                      $cgi->a({-href => "$my_uri?" . esc_param("o=descr"),
2042                               -class => "header"}, "Description") .
2043                      "</th>\n";
2044        }
2045        if ($order eq "owner") {
2046                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
2047                print "<th>Owner</th>\n";
2048        } else {
2049                print "<th>" .
2050                      $cgi->a({-href => "$my_uri?" . esc_param("o=owner"),
2051                               -class => "header"}, "Owner") .
2052                      "</th>\n";
2053        }
2054        if ($order eq "age") {
2055                @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
2056                print "<th>Last Change</th>\n";
2057        } else {
2058                print "<th>" .
2059                      $cgi->a({-href => "$my_uri?" . esc_param("o=age"),
2060                               -class => "header"}, "Last Change") .
2061                      "</th>\n";
2062        }
2063        print "<th></th>\n" .
2064              "</tr>\n";
2065        my $alternate = 0;
2066        foreach my $pr (@projects) {
2067                if ($alternate) {
2068                        print "<tr class=\"dark\">\n";
2069                } else {
2070                        print "<tr class=\"light\">\n";
2071                }
2072                $alternate ^= 1;
2073                print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
2074                                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
2075                      "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
2076                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
2077                print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" .
2078                      $pr->{'commit'}{'age_string'} . "</td>\n" .
2079                      "<td class=\"link\">" .
2080                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
2081                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
2082                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") .
2083                      "</td>\n" .
2084                      "</tr>\n";
2085        }
2086        print "</table>\n";
2087        git_footer_html();
2088}
2089
2090sub git_summary {
2091        my $descr = git_get_project_description($project) || "none";
2092        my $head = git_get_head_hash($project);
2093        my %co = parse_commit($head);
2094        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2095
2096        my $owner = git_get_project_owner($project);
2097
2098        my $refs = git_get_references();
2099        git_header_html();
2100        git_print_page_nav('summary','', $head);
2101
2102        print "<div class=\"title\">&nbsp;</div>\n";
2103        print "<table cellspacing=\"0\">\n" .
2104              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
2105              "<tr><td>owner</td><td>$owner</td></tr>\n" .
2106              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n";
2107        # use per project git URL list in $projectroot/$project/cloneurl
2108        # or make project git URL from git base URL and project name
2109        my $url_tag = "URL";
2110        my @url_list = git_get_project_url_list($project);
2111        @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
2112        foreach my $git_url (@url_list) {
2113                next unless $git_url;
2114                print "<tr><td>$url_tag</td><td>$git_url</td></tr>\n";
2115                $url_tag = "";
2116        }
2117        print "</table>\n";
2118
2119        open my $fd, "-|", $GIT, "rev-list", "--max-count=17", git_get_head_hash($project)
2120                or die_error(undef, "Open git-rev-list failed");
2121        my @revlist = map { chomp; $_ } <$fd>;
2122        close $fd;
2123        git_print_header_div('shortlog');
2124        git_shortlog_body(\@revlist, 0, 15, $refs,
2125                          $cgi->a({-href => href(action=>"shortlog")}, "..."));
2126
2127        my $taglist = git_get_refs_list("refs/tags");
2128        if (defined @$taglist) {
2129                git_print_header_div('tags');
2130                git_tags_body($taglist, 0, 15,
2131                              $cgi->a({-href => href(action=>"tags")}, "..."));
2132        }
2133
2134        my $headlist = git_get_refs_list("refs/heads");
2135        if (defined @$headlist) {
2136                git_print_header_div('heads');
2137                git_heads_body($headlist, $head, 0, 15,
2138                               $cgi->a({-href => href(action=>"heads")}, "..."));
2139        }
2140
2141        git_footer_html();
2142}
2143
2144sub git_tag {
2145        my $head = git_get_head_hash($project);
2146        git_header_html();
2147        git_print_page_nav('','', $head,undef,$head);
2148        my %tag = parse_tag($hash);
2149        git_print_header_div('commit', esc_html($tag{'name'}), $hash);
2150        print "<div class=\"title_text\">\n" .
2151              "<table cellspacing=\"0\">\n" .
2152              "<tr>\n" .
2153              "<td>object</td>\n" .
2154              "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2155                               $tag{'object'}) . "</td>\n" .
2156              "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2157                                              $tag{'type'}) . "</td>\n" .
2158              "</tr>\n";
2159        if (defined($tag{'author'})) {
2160                my %ad = parse_date($tag{'epoch'}, $tag{'tz'});
2161                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
2162                print "<tr><td></td><td>" . $ad{'rfc2822'} .
2163                        sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) .
2164                        "</td></tr>\n";
2165        }
2166        print "</table>\n\n" .
2167              "</div>\n";
2168        print "<div class=\"page_body\">";
2169        my $comment = $tag{'comment'};
2170        foreach my $line (@$comment) {
2171                print esc_html($line) . "<br/>\n";
2172        }
2173        print "</div>\n";
2174        git_footer_html();
2175}
2176
2177sub git_blame2 {
2178        my $fd;
2179        my $ftype;
2180
2181        if (!gitweb_check_feature('blame')) {
2182                die_error('403 Permission denied', "Permission denied");
2183        }
2184        die_error('404 Not Found', "File name not defined") if (!$file_name);
2185        $hash_base ||= git_get_head_hash($project);
2186        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2187        my %co = parse_commit($hash_base)
2188                or die_error(undef, "Reading commit failed");
2189        if (!defined $hash) {
2190                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2191                        or die_error(undef, "Error looking up file");
2192        }
2193        $ftype = git_get_type($hash);
2194        if ($ftype !~ "blob") {
2195                die_error("400 Bad Request", "Object is not a blob");
2196        }
2197        open ($fd, "-|", $GIT, "blame", '-l', $file_name, $hash_base)
2198                or die_error(undef, "Open git-blame failed");
2199        git_header_html();
2200        my $formats_nav =
2201                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2202                        "blob") .
2203                " | " .
2204                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2205                        "head");
2206        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2207        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2208        git_print_page_path($file_name, $ftype, $hash_base);
2209        my @rev_color = (qw(light2 dark2));
2210        my $num_colors = scalar(@rev_color);
2211        my $current_color = 0;
2212        my $last_rev;
2213        print <<HTML;
2214<div class="page_body">
2215<table class="blame">
2216<tr><th>Commit</th><th>Line</th><th>Data</th></tr>
2217HTML
2218        while (<$fd>) {
2219                /^([0-9a-fA-F]{40}).*?(\d+)\)\s{1}(\s*.*)/;
2220                my $full_rev = $1;
2221                my $rev = substr($full_rev, 0, 8);
2222                my $lineno = $2;
2223                my $data = $3;
2224
2225                if (!defined $last_rev) {
2226                        $last_rev = $full_rev;
2227                } elsif ($last_rev ne $full_rev) {
2228                        $last_rev = $full_rev;
2229                        $current_color = ++$current_color % $num_colors;
2230                }
2231                print "<tr class=\"$rev_color[$current_color]\">\n";
2232                print "<td class=\"sha1\">" .
2233                        $cgi->a({-href => href(action=>"commit", hash=>$full_rev, file_name=>$file_name)},
2234                                esc_html($rev)) . "</td>\n";
2235                print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" .
2236                      esc_html($lineno) . "</a></td>\n";
2237                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
2238                print "</tr>\n";
2239        }
2240        print "</table>\n";
2241        print "</div>";
2242        close $fd
2243                or print "Reading blob failed\n";
2244        git_footer_html();
2245}
2246
2247sub git_blame {
2248        my $fd;
2249
2250        if (!gitweb_check_feature('blame')) {
2251                die_error('403 Permission denied', "Permission denied");
2252        }
2253        die_error('404 Not Found', "File name not defined") if (!$file_name);
2254        $hash_base ||= git_get_head_hash($project);
2255        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2256        my %co = parse_commit($hash_base)
2257                or die_error(undef, "Reading commit failed");
2258        if (!defined $hash) {
2259                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2260                        or die_error(undef, "Error lookup file");
2261        }
2262        open ($fd, "-|", $GIT, "annotate", '-l', '-t', '-r', $file_name, $hash_base)
2263                or die_error(undef, "Open git-annotate failed");
2264        git_header_html();
2265        my $formats_nav =
2266                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2267                        "blob") .
2268                " | " .
2269                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2270                        "head");
2271        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2272        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2273        git_print_page_path($file_name, 'blob', $hash_base);
2274        print "<div class=\"page_body\">\n";
2275        print <<HTML;
2276<table class="blame">
2277  <tr>
2278    <th>Commit</th>
2279    <th>Age</th>
2280    <th>Author</th>
2281    <th>Line</th>
2282    <th>Data</th>
2283  </tr>
2284HTML
2285        my @line_class = (qw(light dark));
2286        my $line_class_len = scalar (@line_class);
2287        my $line_class_num = $#line_class;
2288        while (my $line = <$fd>) {
2289                my $long_rev;
2290                my $short_rev;
2291                my $author;
2292                my $time;
2293                my $lineno;
2294                my $data;
2295                my $age;
2296                my $age_str;
2297                my $age_class;
2298
2299                chomp $line;
2300                $line_class_num = ($line_class_num + 1) % $line_class_len;
2301
2302                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
2303                        $long_rev = $1;
2304                        $author   = $2;
2305                        $time     = $3;
2306                        $lineno   = $4;
2307                        $data     = $5;
2308                } else {
2309                        print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
2310                        next;
2311                }
2312                $short_rev  = substr ($long_rev, 0, 8);
2313                $age        = time () - $time;
2314                $age_str    = age_string ($age);
2315                $age_str    =~ s/ /&nbsp;/g;
2316                $age_class  = age_class($age);
2317                $author     = esc_html ($author);
2318                $author     =~ s/ /&nbsp;/g;
2319
2320                $data = untabify($data);
2321                $data = esc_html ($data);
2322
2323                print <<HTML;
2324  <tr class="$line_class[$line_class_num]">
2325    <td class="sha1"><a href="${\href (action=>"commit", hash=>$long_rev)}" class="text">$short_rev..</a></td>
2326    <td class="$age_class">$age_str</td>
2327    <td>$author</td>
2328    <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
2329    <td class="pre">$data</td>
2330  </tr>
2331HTML
2332        } # while (my $line = <$fd>)
2333        print "</table>\n\n";
2334        close $fd
2335                or print "Reading blob failed.\n";
2336        print "</div>";
2337        git_footer_html();
2338}
2339
2340sub git_tags {
2341        my $head = git_get_head_hash($project);
2342        git_header_html();
2343        git_print_page_nav('','', $head,undef,$head);
2344        git_print_header_div('summary', $project);
2345
2346        my $taglist = git_get_refs_list("refs/tags");
2347        if (defined @$taglist) {
2348                git_tags_body($taglist);
2349        }
2350        git_footer_html();
2351}
2352
2353sub git_heads {
2354        my $head = git_get_head_hash($project);
2355        git_header_html();
2356        git_print_page_nav('','', $head,undef,$head);
2357        git_print_header_div('summary', $project);
2358
2359        my $taglist = git_get_refs_list("refs/heads");
2360        if (defined @$taglist) {
2361                git_heads_body($taglist, $head);
2362        }
2363        git_footer_html();
2364}
2365
2366sub git_blob_plain {
2367        if (!defined $hash) {
2368                if (defined $file_name) {
2369                        my $base = $hash_base || git_get_head_hash($project);
2370                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2371                                or die_error(undef, "Error lookup file");
2372                } else {
2373                        die_error(undef, "No file name defined");
2374                }
2375        }
2376        my $type = shift;
2377        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
2378                or die_error(undef, "Couldn't cat $file_name, $hash");
2379
2380        $type ||= blob_mimetype($fd, $file_name);
2381
2382        # save as filename, even when no $file_name is given
2383        my $save_as = "$hash";
2384        if (defined $file_name) {
2385                $save_as = $file_name;
2386        } elsif ($type =~ m/^text\//) {
2387                $save_as .= '.txt';
2388        }
2389
2390        print $cgi->header(-type => "$type",
2391                           -content_disposition => "inline; filename=\"$save_as\"");
2392        undef $/;
2393        binmode STDOUT, ':raw';
2394        print <$fd>;
2395        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2396        $/ = "\n";
2397        close $fd;
2398}
2399
2400sub git_blob {
2401        if (!defined $hash) {
2402                if (defined $file_name) {
2403                        my $base = $hash_base || git_get_head_hash($project);
2404                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2405                                or die_error(undef, "Error lookup file");
2406                } else {
2407                        die_error(undef, "No file name defined");
2408                }
2409        }
2410        my $have_blame = gitweb_check_feature('blame');
2411        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
2412                or die_error(undef, "Couldn't cat $file_name, $hash");
2413        my $mimetype = blob_mimetype($fd, $file_name);
2414        if ($mimetype !~ m/^text\//) {
2415                close $fd;
2416                return git_blob_plain($mimetype);
2417        }
2418        git_header_html();
2419        my $formats_nav = '';
2420        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2421                if (defined $file_name) {
2422                        if ($have_blame) {
2423                                $formats_nav .=
2424                                        $cgi->a({-href => href(action=>"blame", hash_base=>$hash_base,
2425                                                               hash=>$hash, file_name=>$file_name)},
2426                                                "blame") .
2427                                        " | ";
2428                        }
2429                        $formats_nav .=
2430                                $cgi->a({-href => href(action=>"blob_plain",
2431                                                       hash=>$hash, file_name=>$file_name)},
2432                                        "plain") .
2433                                " | " .
2434                                $cgi->a({-href => href(action=>"blob",
2435                                                       hash_base=>"HEAD", file_name=>$file_name)},
2436                                        "head");
2437                } else {
2438                        $formats_nav .=
2439                                $cgi->a({-href => href(action=>"blob_plain", hash=>$hash)}, "plain");
2440                }
2441                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2442                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2443        } else {
2444                print "<div class=\"page_nav\">\n" .
2445                      "<br/><br/></div>\n" .
2446                      "<div class=\"title\">$hash</div>\n";
2447        }
2448        git_print_page_path($file_name, "blob", $hash_base);
2449        print "<div class=\"page_body\">\n";
2450        my $nr;
2451        while (my $line = <$fd>) {
2452                chomp $line;
2453                $nr++;
2454                $line = untabify($line);
2455                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
2456                       $nr, $nr, $nr, esc_html($line);
2457        }
2458        close $fd
2459                or print "Reading blob failed.\n";
2460        print "</div>";
2461        git_footer_html();
2462}
2463
2464sub git_tree {
2465        if (!defined $hash) {
2466                $hash = git_get_head_hash($project);
2467                if (defined $file_name) {
2468                        my $base = $hash_base || $hash;
2469                        $hash = git_get_hash_by_path($base, $file_name, "tree");
2470                }
2471                if (!defined $hash_base) {
2472                        $hash_base = $hash;
2473                }
2474        }
2475        $/ = "\0";
2476        open my $fd, "-|", $GIT, "ls-tree", '-z', $hash
2477                or die_error(undef, "Open git-ls-tree failed");
2478        my @entries = map { chomp; $_ } <$fd>;
2479        close $fd or die_error(undef, "Reading tree failed");
2480        $/ = "\n";
2481
2482        my $refs = git_get_references();
2483        my $ref = format_ref_marker($refs, $hash_base);
2484        git_header_html();
2485        my %base_key = ();
2486        my $base = "";
2487        my $have_blame = gitweb_check_feature('blame');
2488        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2489                $base_key{hash_base} = $hash_base;
2490                git_print_page_nav('tree','', $hash_base);
2491                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
2492        } else {
2493                print "<div class=\"page_nav\">\n";
2494                print "<br/><br/></div>\n";
2495                print "<div class=\"title\">$hash</div>\n";
2496        }
2497        if (defined $file_name) {
2498                $base = esc_html("$file_name/");
2499        }
2500        git_print_page_path($file_name, 'tree', $hash_base);
2501        print "<div class=\"page_body\">\n";
2502        print "<table cellspacing=\"0\">\n";
2503        my $alternate = 0;
2504        foreach my $line (@entries) {
2505                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
2506                $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
2507                my $t_mode = $1;
2508                my $t_type = $2;
2509                my $t_hash = $3;
2510                my $t_name = validate_input($4);
2511                if ($alternate) {
2512                        print "<tr class=\"dark\">\n";
2513                } else {
2514                        print "<tr class=\"light\">\n";
2515                }
2516                $alternate ^= 1;
2517                print "<td class=\"mode\">" . mode_str($t_mode) . "</td>\n";
2518                if ($t_type eq "blob") {
2519                        print "<td class=\"list\">" .
2520                              $cgi->a({-href => href(action=>"blob", hash=>$t_hash, file_name=>"$base$t_name", %base_key),
2521                                      -class => "list"}, esc_html($t_name)) .
2522                              "</td>\n" .
2523                              "<td class=\"link\">" .
2524                              $cgi->a({-href => href(action=>"blob", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2525                                      "blob");
2526                        if ($have_blame) {
2527                                print " | " .
2528                                        $cgi->a({-href => href(action=>"blame", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2529                                                "blame");
2530                        }
2531                        print " | " .
2532                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2533                                                     hash=>$t_hash, file_name=>"$base$t_name")},
2534                                      "history") .
2535                              " | " .
2536                              $cgi->a({-href => href(action=>"blob_plain",
2537                                                     hash=>$t_hash, file_name=>"$base$t_name")},
2538                                      "raw") .
2539                              "</td>\n";
2540                } elsif ($t_type eq "tree") {
2541                        print "<td class=\"list\">" .
2542                              $cgi->a({-href => href(action=>"tree", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2543                                      esc_html($t_name)) .
2544                              "</td>\n" .
2545                              "<td class=\"link\">" .
2546                              $cgi->a({-href => href(action=>"tree", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2547                                      "tree") .
2548                              " | " .
2549                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base, file_name=>"$base$t_name")},
2550                                      "history") .
2551                              "</td>\n";
2552                }
2553                print "</tr>\n";
2554        }
2555        print "</table>\n" .
2556              "</div>";
2557        git_footer_html();
2558}
2559
2560sub git_snapshot {
2561
2562        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2563        my $have_snapshot = (defined $ctype && defined $suffix);
2564        if (!$have_snapshot) {
2565                die_error('403 Permission denied', "Permission denied");
2566        }
2567
2568        if (!defined $hash) {
2569                $hash = git_get_head_hash($project);
2570        }
2571
2572        my $filename = basename($project) . "-$hash.tar.$suffix";
2573
2574        print $cgi->header(-type => 'application/x-tar',
2575                           -content_encoding => $ctype,
2576                           -content_disposition => "inline; filename=\"$filename\"",
2577                           -status => '200 OK');
2578
2579        open my $fd, "-|", "$GIT tar-tree $hash \'$project\' | $command" or
2580                die_error(undef, "Execute git-tar-tree failed.");
2581        binmode STDOUT, ':raw';
2582        print <$fd>;
2583        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2584        close $fd;
2585
2586}
2587
2588sub git_log {
2589        my $head = git_get_head_hash($project);
2590        if (!defined $hash) {
2591                $hash = $head;
2592        }
2593        if (!defined $page) {
2594                $page = 0;
2595        }
2596        my $refs = git_get_references();
2597
2598        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2599        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
2600                or die_error(undef, "Open git-rev-list failed");
2601        my @revlist = map { chomp; $_ } <$fd>;
2602        close $fd;
2603
2604        my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#revlist);
2605
2606        git_header_html();
2607        git_print_page_nav('log','', $hash,undef,undef, $paging_nav);
2608
2609        if (!@revlist) {
2610                my %co = parse_commit($hash);
2611
2612                git_print_header_div('summary', $project);
2613                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
2614        }
2615        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2616                my $commit = $revlist[$i];
2617                my $ref = format_ref_marker($refs, $commit);
2618                my %co = parse_commit($commit);
2619                next if !%co;
2620                my %ad = parse_date($co{'author_epoch'});
2621                git_print_header_div('commit',
2622                               "<span class=\"age\">$co{'age_string'}</span>" .
2623                               esc_html($co{'title'}) . $ref,
2624                               $commit);
2625                print "<div class=\"title_text\">\n" .
2626                      "<div class=\"log_link\">\n" .
2627                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
2628                      " | " .
2629                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
2630                      "<br/>\n" .
2631                      "</div>\n" .
2632                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
2633                      "</div>\n";
2634
2635                print "<div class=\"log_body\">\n";
2636                git_print_simplified_log($co{'comment'});
2637                print "</div>\n";
2638        }
2639        git_footer_html();
2640}
2641
2642sub git_commit {
2643        my %co = parse_commit($hash);
2644        if (!%co) {
2645                die_error(undef, "Unknown commit object");
2646        }
2647        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2648        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2649
2650        my $parent = $co{'parent'};
2651        if (!defined $parent) {
2652                $parent = "--root";
2653        }
2654        open my $fd, "-|", $GIT, "diff-tree", '-r', '-M', $parent, $hash
2655                or die_error(undef, "Open git-diff-tree failed");
2656        my @difftree = map { chomp; $_ } <$fd>;
2657        close $fd or die_error(undef, "Reading git-diff-tree failed");
2658
2659        # non-textual hash id's can be cached
2660        my $expires;
2661        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2662                $expires = "+1d";
2663        }
2664        my $refs = git_get_references();
2665        my $ref = format_ref_marker($refs, $co{'id'});
2666
2667        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2668        my $have_snapshot = (defined $ctype && defined $suffix);
2669
2670        my $formats_nav = '';
2671        if (defined $file_name && defined $co{'parent'}) {
2672                my $parent = $co{'parent'};
2673                $formats_nav .=
2674                        $cgi->a({-href => href(action=>"blame", hash_parent=>$parent, file_name=>$file_name)},
2675                                "blame");
2676        }
2677        git_header_html(undef, $expires);
2678        git_print_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
2679                           $hash, $co{'tree'}, $hash,
2680                           $formats_nav);
2681
2682        if (defined $co{'parent'}) {
2683                git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
2684        } else {
2685                git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
2686        }
2687        print "<div class=\"title_text\">\n" .
2688              "<table cellspacing=\"0\">\n";
2689        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
2690              "<tr>" .
2691              "<td></td><td> $ad{'rfc2822'}";
2692        if ($ad{'hour_local'} < 6) {
2693                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
2694                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2695        } else {
2696                printf(" (%02d:%02d %s)",
2697                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2698        }
2699        print "</td>" .
2700              "</tr>\n";
2701        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
2702        print "<tr><td></td><td> $cd{'rfc2822'}" .
2703              sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) .
2704              "</td></tr>\n";
2705        print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
2706        print "<tr>" .
2707              "<td>tree</td>" .
2708              "<td class=\"sha1\">" .
2709              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
2710                       class => "list"}, $co{'tree'}) .
2711              "</td>" .
2712              "<td class=\"link\">" .
2713              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
2714                      "tree");
2715        if ($have_snapshot) {
2716                print " | " .
2717                      $cgi->a({-href => href(action=>"snapshot", hash=>$hash)}, "snapshot");
2718        }
2719        print "</td>" .
2720              "</tr>\n";
2721        my $parents = $co{'parents'};
2722        foreach my $par (@$parents) {
2723                print "<tr>" .
2724                      "<td>parent</td>" .
2725                      "<td class=\"sha1\">" .
2726                      $cgi->a({-href => href(action=>"commit", hash=>$par),
2727                               class => "list"}, $par) .
2728                      "</td>" .
2729                      "<td class=\"link\">" .
2730                      $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
2731                      " | " .
2732                      $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "commitdiff") .
2733                      "</td>" .
2734                      "</tr>\n";
2735        }
2736        print "</table>".
2737              "</div>\n";
2738
2739        print "<div class=\"page_body\">\n";
2740        git_print_log($co{'comment'});
2741        print "</div>\n";
2742
2743        git_difftree_body(\@difftree, $hash, $parent);
2744
2745        git_footer_html();
2746}
2747
2748sub git_blobdiff {
2749        mkdir($git_temp, 0700);
2750        git_header_html();
2751        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2752                my $formats_nav =
2753                        $cgi->a({-href => href(action=>"blobdiff_plain",
2754                                               hash=>$hash, hash_parent=>$hash_parent)},
2755                                "plain");
2756                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2757                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2758        } else {
2759                print <<HTML;
2760<div class="page_nav"><br/><br/></div>
2761<div class="title">$hash vs $hash_parent</div>
2762HTML
2763        }
2764        git_print_page_path($file_name, "blob", $hash_base);
2765        print "<div class=\"page_body\">\n" .
2766              "<div class=\"diff_info\">blob:" .
2767              $cgi->a({-href => href(action=>"blob", hash=>$hash_parent,
2768                                     hash_base=>$hash_base, file_name=>($file_parent || $file_name))},
2769                      $hash_parent) .
2770              " -> blob:" .
2771              $cgi->a({-href => href(action=>"blob", hash=>$hash,
2772                                     hash_base=>$hash_base, file_name=>$file_name)},
2773                      $hash) .
2774              "</div>\n";
2775        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2776        print "</div>"; # page_body
2777        git_footer_html();
2778}
2779
2780sub git_blobdiff_plain {
2781        mkdir($git_temp, 0700);
2782        print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2783        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2784}
2785
2786sub git_commitdiff {
2787        my $format = shift || 'html';
2788        my %co = parse_commit($hash);
2789        if (!%co) {
2790                die_error(undef, "Unknown commit object");
2791        }
2792        if (!defined $hash_parent) {
2793                $hash_parent = $co{'parent'} || '--root';
2794        }
2795
2796        # read commitdiff
2797        my $fd;
2798        my @difftree;
2799        if ($format eq 'html') {
2800                open $fd, "-|", $GIT, "diff-tree", '-r', '-M', '-C',
2801                        "--patch-with-raw", "--full-index", $hash_parent, $hash
2802                        or die_error(undef, "Open git-diff-tree failed");
2803
2804                while (chomp(my $line = <$fd>)) {
2805                        # empty line ends raw part of diff-tree output
2806                        last unless $line;
2807                        push @difftree, $line;
2808                }
2809
2810        } elsif ($format eq 'plain') {
2811                open $fd, "-|", $GIT, "diff-tree", '-r', '-p', '-B', $hash_parent, $hash
2812                        or die_error(undef, "Open git-diff-tree failed");
2813
2814        } else {
2815                die_error(undef, "Unknown commitdiff format");
2816        }
2817
2818        # non-textual hash id's can be cached
2819        my $expires;
2820        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2821                $expires = "+1d";
2822        }
2823
2824        # write commit message
2825        if ($format eq 'html') {
2826                my $refs = git_get_references();
2827                my $ref = format_ref_marker($refs, $co{'id'});
2828                my $formats_nav =
2829                        $cgi->a({-href => href(action=>"commitdiff_plain",
2830                                               hash=>$hash, hash_parent=>$hash_parent)},
2831                                "plain");
2832
2833                git_header_html(undef, $expires);
2834                git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
2835                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
2836                print "<div class=\"page_body\">\n";
2837                print "<div class=\"log\">\n";
2838                git_print_simplified_log($co{'comment'}, 1); # skip title
2839                print "</div>\n"; # class="log"
2840
2841        } elsif ($format eq 'plain') {
2842                my $refs = git_get_references("tags");
2843                my $tagname = git_get_rev_name_tags($hash);
2844                my $filename = basename($project) . "-$hash.patch";
2845
2846                print $cgi->header(
2847                        -type => 'text/plain',
2848                        -charset => 'utf-8',
2849                        -expires => $expires,
2850                        -content_disposition => qq(inline; filename="$filename"));
2851                my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2852                print <<TEXT;
2853From: $co{'author'}
2854Date: $ad{'rfc2822'} ($ad{'tz_local'})
2855Subject: $co{'title'}
2856TEXT
2857                print "X-Git-Tag: $tagname\n" if $tagname;
2858                print "X-Git-Url: " . $cgi->self_url() . "\n\n";
2859
2860                foreach my $line (@{$co{'comment'}}) {
2861                        print "$line\n";
2862                }
2863                print "---\n\n";
2864        }
2865
2866        # write patch
2867        if ($format eq 'html') {
2868                #git_difftree_body(\@difftree, $hash, $hash_parent);
2869                #print "<br/>\n";
2870
2871                git_patchset_body($fd, \@difftree, $hash, $hash_parent);
2872                close $fd;
2873                print "</div>\n"; # class="page_body"
2874                git_footer_html();
2875
2876        } elsif ($format eq 'plain') {
2877                local $/ = undef;
2878                print <$fd>;
2879                close $fd
2880                        or print "Reading git-diff-tree failed\n";
2881        }
2882}
2883
2884sub git_commitdiff_plain {
2885        git_commitdiff('plain');
2886}
2887
2888sub git_history {
2889        if (!defined $hash_base) {
2890                $hash_base = git_get_head_hash($project);
2891        }
2892        my $ftype;
2893        my %co = parse_commit($hash_base);
2894        if (!%co) {
2895                die_error(undef, "Unknown commit object");
2896        }
2897        my $refs = git_get_references();
2898        git_header_html();
2899        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base);
2900        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2901        if (!defined $hash && defined $file_name) {
2902                $hash = git_get_hash_by_path($hash_base, $file_name);
2903        }
2904        if (defined $hash) {
2905                $ftype = git_get_type($hash);
2906        }
2907        git_print_page_path($file_name, $ftype, $hash_base);
2908
2909        open my $fd, "-|",
2910                $GIT, "rev-list", "--full-history", $hash_base, "--", $file_name;
2911        git_history_body($fd, $refs, $hash_base, $ftype);
2912
2913        close $fd;
2914        git_footer_html();
2915}
2916
2917sub git_search {
2918        if (!defined $searchtext) {
2919                die_error(undef, "Text field empty");
2920        }
2921        if (!defined $hash) {
2922                $hash = git_get_head_hash($project);
2923        }
2924        my %co = parse_commit($hash);
2925        if (!%co) {
2926                die_error(undef, "Unknown commit object");
2927        }
2928        # pickaxe may take all resources of your box and run for several minutes
2929        # with every query - so decide by yourself how public you make this feature :)
2930        my $commit_search = 1;
2931        my $author_search = 0;
2932        my $committer_search = 0;
2933        my $pickaxe_search = 0;
2934        if ($searchtext =~ s/^author\\://i) {
2935                $author_search = 1;
2936        } elsif ($searchtext =~ s/^committer\\://i) {
2937                $committer_search = 1;
2938        } elsif ($searchtext =~ s/^pickaxe\\://i) {
2939                $commit_search = 0;
2940                $pickaxe_search = 1;
2941        }
2942        git_header_html();
2943        git_print_page_nav('','', $hash,$co{'tree'},$hash);
2944        git_print_header_div('commit', esc_html($co{'title'}), $hash);
2945
2946        print "<table cellspacing=\"0\">\n";
2947        my $alternate = 0;
2948        if ($commit_search) {
2949                $/ = "\0";
2950                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", $hash or next;
2951                while (my $commit_text = <$fd>) {
2952                        if (!grep m/$searchtext/i, $commit_text) {
2953                                next;
2954                        }
2955                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2956                                next;
2957                        }
2958                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2959                                next;
2960                        }
2961                        my @commit_lines = split "\n", $commit_text;
2962                        my %co = parse_commit(undef, \@commit_lines);
2963                        if (!%co) {
2964                                next;
2965                        }
2966                        if ($alternate) {
2967                                print "<tr class=\"dark\">\n";
2968                        } else {
2969                                print "<tr class=\"light\">\n";
2970                        }
2971                        $alternate ^= 1;
2972                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2973                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2974                              "<td>" .
2975                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), -class => "list subject"},
2976                                       esc_html(chop_str($co{'title'}, 50)) . "<br/>");
2977                        my $comment = $co{'comment'};
2978                        foreach my $line (@$comment) {
2979                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2980                                        my $lead = esc_html($1) || "";
2981                                        $lead = chop_str($lead, 30, 10);
2982                                        my $match = esc_html($2) || "";
2983                                        my $trail = esc_html($3) || "";
2984                                        $trail = chop_str($trail, 30, 10);
2985                                        my $text = "$lead<span class=\"match\">$match</span>$trail";
2986                                        print chop_str($text, 80, 5) . "<br/>\n";
2987                                }
2988                        }
2989                        print "</td>\n" .
2990                              "<td class=\"link\">" .
2991                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
2992                              " | " .
2993                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
2994                        print "</td>\n" .
2995                              "</tr>\n";
2996                }
2997                close $fd;
2998        }
2999
3000        if ($pickaxe_search) {
3001                $/ = "\n";
3002                open my $fd, "-|", "$GIT rev-list $hash | $GIT diff-tree -r --stdin -S\'$searchtext\'";
3003                undef %co;
3004                my @files;
3005                while (my $line = <$fd>) {
3006                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
3007                                my %set;
3008                                $set{'file'} = $6;
3009                                $set{'from_id'} = $3;
3010                                $set{'to_id'} = $4;
3011                                $set{'id'} = $set{'to_id'};
3012                                if ($set{'id'} =~ m/0{40}/) {
3013                                        $set{'id'} = $set{'from_id'};
3014                                }
3015                                if ($set{'id'} =~ m/0{40}/) {
3016                                        next;
3017                                }
3018                                push @files, \%set;
3019                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
3020                                if (%co) {
3021                                        if ($alternate) {
3022                                                print "<tr class=\"dark\">\n";
3023                                        } else {
3024                                                print "<tr class=\"light\">\n";
3025                                        }
3026                                        $alternate ^= 1;
3027                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3028                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3029                                              "<td>" .
3030                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
3031                                                      -class => "list subject"},
3032                                                      esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3033                                        while (my $setref = shift @files) {
3034                                                my %set = %$setref;
3035                                                print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
3036                                                                             hash=>$set{'id'}, file_name=>$set{'file'}),
3037                                                              -class => "list"},
3038                                                              "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
3039                                                      "<br/>\n";
3040                                        }
3041                                        print "</td>\n" .
3042                                              "<td class=\"link\">" .
3043                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3044                                              " | " .
3045                                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3046                                        print "</td>\n" .
3047                                              "</tr>\n";
3048                                }
3049                                %co = parse_commit($1);
3050                        }
3051                }
3052                close $fd;
3053        }
3054        print "</table>\n";
3055        git_footer_html();
3056}
3057
3058sub git_shortlog {
3059        my $head = git_get_head_hash($project);
3060        if (!defined $hash) {
3061                $hash = $head;
3062        }
3063        if (!defined $page) {
3064                $page = 0;
3065        }
3066        my $refs = git_get_references();
3067
3068        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3069        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
3070                or die_error(undef, "Open git-rev-list failed");
3071        my @revlist = map { chomp; $_ } <$fd>;
3072        close $fd;
3073
3074        my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#revlist);
3075        my $next_link = '';
3076        if ($#revlist >= (100 * ($page+1)-1)) {
3077                $next_link =
3078                        $cgi->a({-href => href(action=>"shortlog", hash=>$hash, page=>$page+1),
3079                                 -title => "Alt-n"}, "next");
3080        }
3081
3082
3083        git_header_html();
3084        git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
3085        git_print_header_div('summary', $project);
3086
3087        git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
3088
3089        git_footer_html();
3090}
3091
3092## ......................................................................
3093## feeds (RSS, OPML)
3094
3095sub git_rss {
3096        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
3097        open my $fd, "-|", $GIT, "rev-list", "--max-count=150", git_get_head_hash($project)
3098                or die_error(undef, "Open git-rev-list failed");
3099        my @revlist = map { chomp; $_ } <$fd>;
3100        close $fd or die_error(undef, "Reading git-rev-list failed");
3101        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3102        print <<XML;
3103<?xml version="1.0" encoding="utf-8"?>
3104<rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
3105<channel>
3106<title>$project $my_uri $my_url</title>
3107<link>${\esc_html("$my_url?p=$project;a=summary")}</link>
3108<description>$project log</description>
3109<language>en</language>
3110XML
3111
3112        for (my $i = 0; $i <= $#revlist; $i++) {
3113                my $commit = $revlist[$i];
3114                my %co = parse_commit($commit);
3115                # we read 150, we always show 30 and the ones more recent than 48 hours
3116                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
3117                        last;
3118                }
3119                my %cd = parse_date($co{'committer_epoch'});
3120                open $fd, "-|", $GIT, "diff-tree", '-r', $co{'parent'}, $co{'id'} or next;
3121                my @difftree = map { chomp; $_ } <$fd>;
3122                close $fd or next;
3123                print "<item>\n" .
3124                      "<title>" .
3125                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
3126                      "</title>\n" .
3127                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
3128                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
3129                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
3130                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
3131                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
3132                      "<content:encoded>" .
3133                      "<![CDATA[\n";
3134                my $comment = $co{'comment'};
3135                foreach my $line (@$comment) {
3136                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
3137                        print "$line<br/>\n";
3138                }
3139                print "<br/>\n";
3140                foreach my $line (@difftree) {
3141                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
3142                                next;
3143                        }
3144                        my $file = validate_input(unquote($7));
3145                        $file = decode("utf8", $file, Encode::FB_DEFAULT);
3146                        print "$file<br/>\n";
3147                }
3148                print "]]>\n" .
3149                      "</content:encoded>\n" .
3150                      "</item>\n";
3151        }
3152        print "</channel></rss>";
3153}
3154
3155sub git_opml {
3156        my @list = git_get_projects_list();
3157
3158        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3159        print <<XML;
3160<?xml version="1.0" encoding="utf-8"?>
3161<opml version="1.0">
3162<head>
3163  <title>$site_name Git OPML Export</title>
3164</head>
3165<body>
3166<outline text="git RSS feeds">
3167XML
3168
3169        foreach my $pr (@list) {
3170                my %proj = %$pr;
3171                my $head = git_get_head_hash($proj{'path'});
3172                if (!defined $head) {
3173                        next;
3174                }
3175                $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
3176                my %co = parse_commit($head);
3177                if (!%co) {
3178                        next;
3179                }
3180
3181                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
3182                my $rss  = "$my_url?p=$proj{'path'};a=rss";
3183                my $html = "$my_url?p=$proj{'path'};a=summary";
3184                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
3185        }
3186        print <<XML;
3187</outline>
3188</body>
3189</opml>
3190XML
3191}