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

   1#!/usr/bin/perl
   2
   3# gitweb - simple web interface to track changes in git repositories
   4#
   5# (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
   6# (C) 2005, Christian Gierke
   7#
   8# This program is licensed under the GPLv2
   9
  10use strict;
  11use warnings;
  12use CGI qw(:standard :escapeHTML -nosticky);
  13use CGI::Util qw(unescape);
  14use CGI::Carp qw(fatalsToBrowser);
  15use Encode;
  16use Fcntl ':mode';
  17use File::Find qw();
  18use File::Basename qw(basename);
  19binmode STDOUT, ':utf8';
  20
  21our $cgi = new CGI;
  22our $version = "++GIT_VERSION++";
  23our $my_url = $cgi->url();
  24our $my_uri = $cgi->url(-absolute => 1);
  25
  26# core git executable to use
  27# this can just be "git" if your webserver has a sensible PATH
  28our $GIT = "++GIT_BINDIR++/git";
  29
  30# absolute fs-path which will be prepended to the project path
  31#our $projectroot = "/pub/scm";
  32our $projectroot = "++GITWEB_PROJECTROOT++";
  33
  34# 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        my $firstref;
 793
 794        foreach my $commit (@commits) {
 795                foreach my $ref (@{$refs->{$commit}}) {
 796                        $firstref = $ref unless $firstref;
 797                        push @reflist, $ref;
 798                }
 799        }
 800
 801        return wantarray ? @reflist : $firstref;
 802}
 803
 804## ----------------------------------------------------------------------
 805## parse to hash functions
 806
 807sub parse_date {
 808        my $epoch = shift;
 809        my $tz = shift || "-0000";
 810
 811        my %date;
 812        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 813        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 814        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 815        $date{'hour'} = $hour;
 816        $date{'minute'} = $min;
 817        $date{'mday'} = $mday;
 818        $date{'day'} = $days[$wday];
 819        $date{'month'} = $months[$mon];
 820        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
 821                           $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 822        $date{'mday-time'} = sprintf "%d %s %02d:%02d",
 823                             $mday, $months[$mon], $hour ,$min;
 824
 825        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 826        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 827        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 828        $date{'hour_local'} = $hour;
 829        $date{'minute_local'} = $min;
 830        $date{'tz_local'} = $tz;
 831        return %date;
 832}
 833
 834sub parse_tag {
 835        my $tag_id = shift;
 836        my %tag;
 837        my @comment;
 838
 839        open my $fd, "-|", $GIT, "cat-file", "tag", $tag_id or return;
 840        $tag{'id'} = $tag_id;
 841        while (my $line = <$fd>) {
 842                chomp $line;
 843                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 844                        $tag{'object'} = $1;
 845                } elsif ($line =~ m/^type (.+)$/) {
 846                        $tag{'type'} = $1;
 847                } elsif ($line =~ m/^tag (.+)$/) {
 848                        $tag{'name'} = $1;
 849                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 850                        $tag{'author'} = $1;
 851                        $tag{'epoch'} = $2;
 852                        $tag{'tz'} = $3;
 853                } elsif ($line =~ m/--BEGIN/) {
 854                        push @comment, $line;
 855                        last;
 856                } elsif ($line eq "") {
 857                        last;
 858                }
 859        }
 860        push @comment, <$fd>;
 861        $tag{'comment'} = \@comment;
 862        close $fd or return;
 863        if (!defined $tag{'name'}) {
 864                return
 865        };
 866        return %tag
 867}
 868
 869sub parse_commit {
 870        my $commit_id = shift;
 871        my $commit_text = shift;
 872
 873        my @commit_lines;
 874        my %co;
 875
 876        if (defined $commit_text) {
 877                @commit_lines = @$commit_text;
 878        } else {
 879                $/ = "\0";
 880                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", "--max-count=1", $commit_id
 881                        or return;
 882                @commit_lines = split '\n', <$fd>;
 883                close $fd or return;
 884                $/ = "\n";
 885                pop @commit_lines;
 886        }
 887        my $header = shift @commit_lines;
 888        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 889                return;
 890        }
 891        ($co{'id'}, my @parents) = split ' ', $header;
 892        $co{'parents'} = \@parents;
 893        $co{'parent'} = $parents[0];
 894        while (my $line = shift @commit_lines) {
 895                last if $line eq "\n";
 896                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 897                        $co{'tree'} = $1;
 898                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 899                        $co{'author'} = $1;
 900                        $co{'author_epoch'} = $2;
 901                        $co{'author_tz'} = $3;
 902                        if ($co{'author'} =~ m/^([^<]+) </) {
 903                                $co{'author_name'} = $1;
 904                        } else {
 905                                $co{'author_name'} = $co{'author'};
 906                        }
 907                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 908                        $co{'committer'} = $1;
 909                        $co{'committer_epoch'} = $2;
 910                        $co{'committer_tz'} = $3;
 911                        $co{'committer_name'} = $co{'committer'};
 912                        $co{'committer_name'} =~ s/ <.*//;
 913                }
 914        }
 915        if (!defined $co{'tree'}) {
 916                return;
 917        };
 918
 919        foreach my $title (@commit_lines) {
 920                $title =~ s/^    //;
 921                if ($title ne "") {
 922                        $co{'title'} = chop_str($title, 80, 5);
 923                        # remove leading stuff of merges to make the interesting part visible
 924                        if (length($title) > 50) {
 925                                $title =~ s/^Automatic //;
 926                                $title =~ s/^merge (of|with) /Merge ... /i;
 927                                if (length($title) > 50) {
 928                                        $title =~ s/(http|rsync):\/\///;
 929                                }
 930                                if (length($title) > 50) {
 931                                        $title =~ s/(master|www|rsync)\.//;
 932                                }
 933                                if (length($title) > 50) {
 934                                        $title =~ s/kernel.org:?//;
 935                                }
 936                                if (length($title) > 50) {
 937                                        $title =~ s/\/pub\/scm//;
 938                                }
 939                        }
 940                        $co{'title_short'} = chop_str($title, 50, 5);
 941                        last;
 942                }
 943        }
 944        # remove added spaces
 945        foreach my $line (@commit_lines) {
 946                $line =~ s/^    //;
 947        }
 948        $co{'comment'} = \@commit_lines;
 949
 950        my $age = time - $co{'committer_epoch'};
 951        $co{'age'} = $age;
 952        $co{'age_string'} = age_string($age);
 953        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 954        if ($age > 60*60*24*7*2) {
 955                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 956                $co{'age_string_age'} = $co{'age_string'};
 957        } else {
 958                $co{'age_string_date'} = $co{'age_string'};
 959                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 960        }
 961        return %co;
 962}
 963
 964# parse ref from ref_file, given by ref_id, with given type
 965sub parse_ref {
 966        my $ref_file = shift;
 967        my $ref_id = shift;
 968        my $type = shift || git_get_type($ref_id);
 969        my %ref_item;
 970
 971        $ref_item{'type'} = $type;
 972        $ref_item{'id'} = $ref_id;
 973        $ref_item{'epoch'} = 0;
 974        $ref_item{'age'} = "unknown";
 975        if ($type eq "tag") {
 976                my %tag = parse_tag($ref_id);
 977                $ref_item{'comment'} = $tag{'comment'};
 978                if ($tag{'type'} eq "commit") {
 979                        my %co = parse_commit($tag{'object'});
 980                        $ref_item{'epoch'} = $co{'committer_epoch'};
 981                        $ref_item{'age'} = $co{'age_string'};
 982                } elsif (defined($tag{'epoch'})) {
 983                        my $age = time - $tag{'epoch'};
 984                        $ref_item{'epoch'} = $tag{'epoch'};
 985                        $ref_item{'age'} = age_string($age);
 986                }
 987                $ref_item{'reftype'} = $tag{'type'};
 988                $ref_item{'name'} = $tag{'name'};
 989                $ref_item{'refid'} = $tag{'object'};
 990        } elsif ($type eq "commit"){
 991                my %co = parse_commit($ref_id);
 992                $ref_item{'reftype'} = "commit";
 993                $ref_item{'name'} = $ref_file;
 994                $ref_item{'title'} = $co{'title'};
 995                $ref_item{'refid'} = $ref_id;
 996                $ref_item{'epoch'} = $co{'committer_epoch'};
 997                $ref_item{'age'} = $co{'age_string'};
 998        } else {
 999                $ref_item{'reftype'} = $type;
1000                $ref_item{'name'} = $ref_file;
1001                $ref_item{'refid'} = $ref_id;
1002        }
1003
1004        return %ref_item;
1005}
1006
1007# parse line of git-diff-tree "raw" output
1008sub parse_difftree_raw_line {
1009        my $line = shift;
1010        my %res;
1011
1012        # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M   ls-files.c'
1013        # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M   rev-tree.c'
1014        if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
1015                $res{'from_mode'} = $1;
1016                $res{'to_mode'} = $2;
1017                $res{'from_id'} = $3;
1018                $res{'to_id'} = $4;
1019                $res{'status'} = $5;
1020                $res{'similarity'} = $6;
1021                if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
1022                        ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
1023                } else {
1024                        $res{'file'} = unquote($7);
1025                }
1026        }
1027        # 'c512b523472485aef4fff9e57b229d9d243c967f'
1028        #elsif ($line =~ m/^([0-9a-fA-F]{40})$/) {
1029        #       $res{'commit'} = $1;
1030        #}
1031
1032        return wantarray ? %res : \%res;
1033}
1034
1035## ......................................................................
1036## parse to array of hashes functions
1037
1038sub git_get_refs_list {
1039        my $ref_dir = shift;
1040        my @reflist;
1041
1042        my @refs;
1043        my $pfxlen = length("$projectroot/$project/$ref_dir");
1044        File::Find::find(sub {
1045                return if (/^\./);
1046                if (-f $_) {
1047                        push @refs, substr($File::Find::name, $pfxlen + 1);
1048                }
1049        }, "$projectroot/$project/$ref_dir");
1050
1051        foreach my $ref_file (@refs) {
1052                my $ref_id = git_get_hash_by_ref("$project/$ref_dir/$ref_file");
1053                my $type = git_get_type($ref_id) || next;
1054                my %ref_item = parse_ref($ref_file, $ref_id, $type);
1055
1056                push @reflist, \%ref_item;
1057        }
1058        # sort refs by age
1059        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1060        return \@reflist;
1061}
1062
1063## ----------------------------------------------------------------------
1064## filesystem-related functions
1065
1066sub get_file_owner {
1067        my $path = shift;
1068
1069        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
1070        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
1071        if (!defined $gcos) {
1072                return undef;
1073        }
1074        my $owner = $gcos;
1075        $owner =~ s/[,;].*$//;
1076        return decode("utf8", $owner, Encode::FB_DEFAULT);
1077}
1078
1079## ......................................................................
1080## mimetype related functions
1081
1082sub mimetype_guess_file {
1083        my $filename = shift;
1084        my $mimemap = shift;
1085        -r $mimemap or return undef;
1086
1087        my %mimemap;
1088        open(MIME, $mimemap) or return undef;
1089        while (<MIME>) {
1090                next if m/^#/; # skip comments
1091                my ($mime, $exts) = split(/\t+/);
1092                if (defined $exts) {
1093                        my @exts = split(/\s+/, $exts);
1094                        foreach my $ext (@exts) {
1095                                $mimemap{$ext} = $mime;
1096                        }
1097                }
1098        }
1099        close(MIME);
1100
1101        $filename =~ /\.(.*?)$/;
1102        return $mimemap{$1};
1103}
1104
1105sub mimetype_guess {
1106        my $filename = shift;
1107        my $mime;
1108        $filename =~ /\./ or return undef;
1109
1110        if ($mimetypes_file) {
1111                my $file = $mimetypes_file;
1112                if ($file !~ m!^/!) { # if it is relative path
1113                        # it is relative to project
1114                        $file = "$projectroot/$project/$file";
1115                }
1116                $mime = mimetype_guess_file($filename, $file);
1117        }
1118        $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1119        return $mime;
1120}
1121
1122sub blob_mimetype {
1123        my $fd = shift;
1124        my $filename = shift;
1125
1126        if ($filename) {
1127                my $mime = mimetype_guess($filename);
1128                $mime and return $mime;
1129        }
1130
1131        # just in case
1132        return $default_blob_plain_mimetype unless $fd;
1133
1134        if (-T $fd) {
1135                return 'text/plain' .
1136                       ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1137        } elsif (! $filename) {
1138                return 'application/octet-stream';
1139        } elsif ($filename =~ m/\.png$/i) {
1140                return 'image/png';
1141        } elsif ($filename =~ m/\.gif$/i) {
1142                return 'image/gif';
1143        } elsif ($filename =~ m/\.jpe?g$/i) {
1144                return 'image/jpeg';
1145        } else {
1146                return 'application/octet-stream';
1147        }
1148}
1149
1150## ======================================================================
1151## functions printing HTML: header, footer, error page
1152
1153sub git_header_html {
1154        my $status = shift || "200 OK";
1155        my $expires = shift;
1156
1157        my $title = "$site_name git";
1158        if (defined $project) {
1159                $title .= " - $project";
1160                if (defined $action) {
1161                        $title .= "/$action";
1162                        if (defined $file_name) {
1163                                $title .= " - $file_name";
1164                                if ($action eq "tree" && $file_name !~ m|/$|) {
1165                                        $title .= "/";
1166                                }
1167                        }
1168                }
1169        }
1170        my $content_type;
1171        # require explicit support from the UA if we are to send the page as
1172        # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
1173        # we have to do this because MSIE sometimes globs '*/*', pretending to
1174        # support xhtml+xml but choking when it gets what it asked for.
1175        if (defined $cgi->http('HTTP_ACCEPT') &&
1176            $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ &&
1177            $cgi->Accept('application/xhtml+xml') != 0) {
1178                $content_type = 'application/xhtml+xml';
1179        } else {
1180                $content_type = 'text/html';
1181        }
1182        print $cgi->header(-type=>$content_type, -charset => 'utf-8',
1183                           -status=> $status, -expires => $expires);
1184        print <<EOF;
1185<?xml version="1.0" encoding="utf-8"?>
1186<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
1187<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
1188<!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
1189<!-- git core binaries version $git_version -->
1190<head>
1191<meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
1192<meta name="generator" content="gitweb/$version git/$git_version"/>
1193<meta name="robots" content="index, nofollow"/>
1194<title>$title</title>
1195<link rel="stylesheet" type="text/css" href="$stylesheet"/>
1196EOF
1197        if (defined $project) {
1198                printf('<link rel="alternate" title="%s log" '.
1199                       'href="%s" type="application/rss+xml"/>'."\n",
1200                       esc_param($project), href(action=>"rss"));
1201        }
1202
1203        print "</head>\n" .
1204              "<body>\n" .
1205              "<div class=\"page_header\">\n" .
1206              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
1207              "<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
1208              "</a>\n";
1209        print $cgi->a({-href => esc_param($home_link)}, $home_link_str) . " / ";
1210        if (defined $project) {
1211                print $cgi->a({-href => href(action=>"summary")}, esc_html($project));
1212                if (defined $action) {
1213                        print " / $action";
1214                }
1215                print "\n";
1216                if (!defined $searchtext) {
1217                        $searchtext = "";
1218                }
1219                my $search_hash;
1220                if (defined $hash_base) {
1221                        $search_hash = $hash_base;
1222                } elsif (defined $hash) {
1223                        $search_hash = $hash;
1224                } else {
1225                        $search_hash = "HEAD";
1226                }
1227                $cgi->param("a", "search");
1228                $cgi->param("h", $search_hash);
1229                print $cgi->startform(-method => "get", -action => $my_uri) .
1230                      "<div class=\"search\">\n" .
1231                      $cgi->hidden(-name => "p") . "\n" .
1232                      $cgi->hidden(-name => "a") . "\n" .
1233                      $cgi->hidden(-name => "h") . "\n" .
1234                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
1235                      "</div>" .
1236                      $cgi->end_form() . "\n";
1237        }
1238        print "</div>\n";
1239}
1240
1241sub git_footer_html {
1242        print "<div class=\"page_footer\">\n";
1243        if (defined $project) {
1244                my $descr = git_get_project_description($project);
1245                if (defined $descr) {
1246                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
1247                }
1248                print $cgi->a({-href => href(action=>"rss"), -class => "rss_logo"}, "RSS") . "\n";
1249        } else {
1250                print $cgi->a({-href => href(action=>"opml"), -class => "rss_logo"}, "OPML") . "\n";
1251        }
1252        print "</div>\n" .
1253              "</body>\n" .
1254              "</html>";
1255}
1256
1257sub die_error {
1258        my $status = shift || "403 Forbidden";
1259        my $error = shift || "Malformed query, file missing or permission denied";
1260
1261        git_header_html($status);
1262        print <<EOF;
1263<div class="page_body">
1264<br /><br />
1265$status - $error
1266<br />
1267</div>
1268EOF
1269        git_footer_html();
1270        exit;
1271}
1272
1273## ----------------------------------------------------------------------
1274## functions printing or outputting HTML: navigation
1275
1276sub git_print_page_nav {
1277        my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
1278        $extra = '' if !defined $extra; # pager or formats
1279
1280        my @navs = qw(summary shortlog log commit commitdiff tree);
1281        if ($suppress) {
1282                @navs = grep { $_ ne $suppress } @navs;
1283        }
1284
1285        my %arg = map { $_ => {action=>$_} } @navs;
1286        if (defined $head) {
1287                for (qw(commit commitdiff)) {
1288                        $arg{$_}{hash} = $head;
1289                }
1290                if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
1291                        for (qw(shortlog log)) {
1292                                $arg{$_}{hash} = $head;
1293                        }
1294                }
1295        }
1296        $arg{tree}{hash} = $treehead if defined $treehead;
1297        $arg{tree}{hash_base} = $treebase if defined $treebase;
1298
1299        print "<div class=\"page_nav\">\n" .
1300                (join " | ",
1301                 map { $_ eq $current ?
1302                       $_ : $cgi->a({-href => href(%{$arg{$_}})}, "$_")
1303                 } @navs);
1304        print "<br/>\n$extra<br/>\n" .
1305              "</div>\n";
1306}
1307
1308sub format_paging_nav {
1309        my ($action, $hash, $head, $page, $nrevs) = @_;
1310        my $paging_nav;
1311
1312
1313        if ($hash ne $head || $page) {
1314                $paging_nav .= $cgi->a({-href => href(action=>$action)}, "HEAD");
1315        } else {
1316                $paging_nav .= "HEAD";
1317        }
1318
1319        if ($page > 0) {
1320                $paging_nav .= " &sdot; " .
1321                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page-1),
1322                                 -accesskey => "p", -title => "Alt-p"}, "prev");
1323        } else {
1324                $paging_nav .= " &sdot; prev";
1325        }
1326
1327        if ($nrevs >= (100 * ($page+1)-1)) {
1328                $paging_nav .= " &sdot; " .
1329                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page+1),
1330                                 -accesskey => "n", -title => "Alt-n"}, "next");
1331        } else {
1332                $paging_nav .= " &sdot; next";
1333        }
1334
1335        return $paging_nav;
1336}
1337
1338## ......................................................................
1339## functions printing or outputting HTML: div
1340
1341sub git_print_header_div {
1342        my ($action, $title, $hash, $hash_base) = @_;
1343        my %args = ();
1344
1345        $args{action} = $action;
1346        $args{hash} = $hash if $hash;
1347        $args{hash_base} = $hash_base if $hash_base;
1348
1349        print "<div class=\"header\">\n" .
1350              $cgi->a({-href => href(%args), -class => "title"},
1351              $title ? $title : $action) .
1352              "\n</div>\n";
1353}
1354
1355sub git_print_page_path {
1356        my $name = shift;
1357        my $type = shift;
1358        my $hb = shift;
1359
1360        if (!defined $name) {
1361                print "<div class=\"page_path\">/</div>\n";
1362        } elsif (defined $type && $type eq 'blob') {
1363                print "<div class=\"page_path\">";
1364                if (defined $hb) {
1365                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
1366                                                     hash_base=>$hb)},
1367                                      esc_html($name));
1368                } else {
1369                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name)},
1370                                      esc_html($name));
1371                }
1372                print "<br/></div>\n";
1373        } else {
1374                print "<div class=\"page_path\">" . esc_html($name) . "<br/></div>\n";
1375        }
1376}
1377
1378sub git_print_log {
1379        my $log = shift;
1380
1381        # remove leading empty lines
1382        while (defined $log->[0] && $log->[0] eq "") {
1383                shift @$log;
1384        }
1385
1386        # print log
1387        my $signoff = 0;
1388        my $empty = 0;
1389        foreach my $line (@$log) {
1390                # print only one empty line
1391                # do not print empty line after signoff
1392                if ($line eq "") {
1393                        next if ($empty || $signoff);
1394                        $empty = 1;
1395                } else {
1396                        $empty = 0;
1397                }
1398                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1399                        $signoff = 1;
1400                        print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1401                } else {
1402                        $signoff = 0;
1403                        print format_log_line_html($line) . "<br/>\n";
1404                }
1405        }
1406}
1407
1408sub git_print_simplified_log {
1409        my $log = shift;
1410        my $remove_title = shift;
1411
1412        shift @$log if $remove_title;
1413        # remove leading empty lines
1414        while (defined $log->[0] && $log->[0] eq "") {
1415                shift @$log;
1416        }
1417
1418        # simplify and print log
1419        my $empty = 0;
1420        foreach my $line (@$log) {
1421                # remove signoff lines
1422                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1423                        next;
1424                }
1425                # print only one empty line
1426                if ($line eq "") {
1427                        next if $empty;
1428                        $empty = 1;
1429                } else {
1430                        $empty = 0;
1431                }
1432                print format_log_line_html($line) . "<br/>\n";
1433        }
1434        # end with single empty line
1435        print "<br/>\n" unless $empty;
1436}
1437
1438## ......................................................................
1439## functions printing large fragments of HTML
1440
1441sub git_difftree_body {
1442        my ($difftree, $hash, $parent) = @_;
1443
1444        print "<div class=\"list_head\">\n";
1445        if ($#{$difftree} > 10) {
1446                print(($#{$difftree} + 1) . " files changed:\n");
1447        }
1448        print "</div>\n";
1449
1450        print "<table class=\"diff_tree\">\n";
1451        my $alternate = 0;
1452        foreach my $line (@{$difftree}) {
1453                my %diff = parse_difftree_raw_line($line);
1454
1455                if ($alternate) {
1456                        print "<tr class=\"dark\">\n";
1457                } else {
1458                        print "<tr class=\"light\">\n";
1459                }
1460                $alternate ^= 1;
1461
1462                my ($to_mode_oct, $to_mode_str, $to_file_type);
1463                my ($from_mode_oct, $from_mode_str, $from_file_type);
1464                if ($diff{'to_mode'} ne ('0' x 6)) {
1465                        $to_mode_oct = oct $diff{'to_mode'};
1466                        if (S_ISREG($to_mode_oct)) { # only for regular file
1467                                $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
1468                        }
1469                        $to_file_type = file_type($diff{'to_mode'});
1470                }
1471                if ($diff{'from_mode'} ne ('0' x 6)) {
1472                        $from_mode_oct = oct $diff{'from_mode'};
1473                        if (S_ISREG($to_mode_oct)) { # only for regular file
1474                                $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
1475                        }
1476                        $from_file_type = file_type($diff{'from_mode'});
1477                }
1478
1479                if ($diff{'status'} eq "A") { # created
1480                        my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
1481                        $mode_chng   .= " with mode: $to_mode_str" if $to_mode_str;
1482                        $mode_chng   .= "]</span>";
1483                        print "<td>" .
1484                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1485                                                     hash_base=>$hash, file_name=>$diff{'file'}),
1486                                      -class => "list"}, esc_html($diff{'file'})) .
1487                              "</td>\n" .
1488                              "<td>$mode_chng</td>\n" .
1489                              "<td class=\"link\">" .
1490                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1491                                                     hash_base=>$hash, file_name=>$diff{'file'})},
1492                                      "blob") .
1493                              "</td>\n";
1494
1495                } elsif ($diff{'status'} eq "D") { # deleted
1496                        my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
1497                        print "<td>" .
1498                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1499                                                     hash_base=>$parent, file_name=>$diff{'file'}),
1500                                       -class => "list"}, esc_html($diff{'file'})) .
1501                              "</td>\n" .
1502                              "<td>$mode_chng</td>\n" .
1503                              "<td class=\"link\">" .
1504                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1505                                                     hash_base=>$parent, file_name=>$diff{'file'})},
1506                                      "blob") .
1507                              " | " .
1508                              $cgi->a({-href => href(action=>"history", hash_base=>$parent,
1509                                                     file_name=>$diff{'file'})},\
1510                                      "history") .
1511                              "</td>\n";
1512
1513                } elsif ($diff{'status'} eq "M" || $diff{'status'} eq "T") { # modified, or type changed
1514                        my $mode_chnge = "";
1515                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1516                                $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
1517                                if ($from_file_type != $to_file_type) {
1518                                        $mode_chnge .= " from $from_file_type to $to_file_type";
1519                                }
1520                                if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
1521                                        if ($from_mode_str && $to_mode_str) {
1522                                                $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
1523                                        } elsif ($to_mode_str) {
1524                                                $mode_chnge .= " mode: $to_mode_str";
1525                                        }
1526                                }
1527                                $mode_chnge .= "]</span>\n";
1528                        }
1529                        print "<td>";
1530                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1531                                print $cgi->a({-href => href(action=>"blobdiff", hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1532                                                             hash_base=>$hash, file_name=>$diff{'file'}),
1533                                              -class => "list"}, esc_html($diff{'file'}));
1534                        } else { # only mode changed
1535                                print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1536                                                             hash_base=>$hash, file_name=>$diff{'file'}),
1537                                              -class => "list"}, esc_html($diff{'file'}));
1538                        }
1539                        print "</td>\n" .
1540                              "<td>$mode_chnge</td>\n" .
1541                              "<td class=\"link\">" .
1542                                $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1543                                                       hash_base=>$hash, file_name=>$diff{'file'})},
1544                                        "blob");
1545                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1546                                print " | " .
1547                                        $cgi->a({-href => href(action=>"blobdiff", hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1548                                                               hash_base=>$hash, file_name=>$diff{'file'})},
1549                                                "diff");
1550                        }
1551                        print " | " .
1552                                $cgi->a({-href => href(action=>"history",
1553                                                       hash_base=>$hash, file_name=>$diff{'file'})},
1554                                        "history");
1555                        print "</td>\n";
1556
1557                } elsif ($diff{'status'} eq "R" || $diff{'status'} eq "C") { # renamed or copied
1558                        my %status_name = ('R' => 'moved', 'C' => 'copied');
1559                        my $nstatus = $status_name{$diff{'status'}};
1560                        my $mode_chng = "";
1561                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1562                                # mode also for directories, so we cannot use $to_mode_str
1563                                $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
1564                        }
1565                        print "<td>" .
1566                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1567                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'}),
1568                                      -class => "list"}, esc_html($diff{'to_file'})) . "</td>\n" .
1569                              "<td><span class=\"file_status $nstatus\">[$nstatus from " .
1570                              $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
1571                                                     hash=>$diff{'from_id'}, file_name=>$diff{'from_file'}),
1572                                      -class => "list"}, esc_html($diff{'from_file'})) .
1573                              " with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
1574                              "<td class=\"link\">" .
1575                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1576                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'})},
1577                                      "blob");
1578                        if ($diff{'to_id'} ne $diff{'from_id'}) {
1579                                print " | " .
1580                                        $cgi->a({-href => href(action=>"blobdiff", hash_base=>$hash,
1581                                                               hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1582                                                               file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
1583                                                "diff");
1584                        }
1585                        print "</td>\n";
1586
1587                } # we should not encounter Unmerged (U) or Unknown (X) status
1588                print "</tr>\n";
1589        }
1590        print "</table>\n";
1591}
1592
1593sub git_patchset_body {
1594        my ($fd, $difftree, $hash, $hash_parent) = @_;
1595
1596        my $patch_idx = 0;
1597        my $in_header = 0;
1598        my $patch_found = 0;
1599        my %diffinfo;
1600
1601        print "<div class=\"patchset\">\n";
1602
1603        LINE:
1604        while (my $patch_line @$fd>) {
1605                chomp $patch_line;
1606
1607                if ($patch_line =~ m/^diff /) { # "git diff" header
1608                        # beginning of patch (in patchset)
1609                        if ($patch_found) {
1610                                # close previous patch
1611                                print "</div>\n"; # class="patch"
1612                        } else {
1613                                # first patch in patchset
1614                                $patch_found = 1;
1615                        }
1616                        print "<div class=\"patch\">\n";
1617
1618                        %diffinfo = parse_difftree_raw_line($difftree->[$patch_idx++]);
1619
1620                        # for now, no extended header, hence we skip empty patches
1621                        # companion to  next LINE if $in_header;
1622                        if ($diffinfo{'from_id'} eq $diffinfo{'to_id'}) { # no change
1623                                $in_header = 1;
1624                                next LINE;
1625                        }
1626
1627                        if ($diffinfo{'status'} eq "A") { # added
1628                                print "<div class=\"diff_info\">" . file_type($diffinfo{'to_mode'}) . ":" .
1629                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1630                                                             hash=>$diffinfo{'to_id'}, file_name=>$diffinfo{'file'})},
1631                                              $diffinfo{'to_id'}) . "(new)" .
1632                                      "</div>\n"; # class="diff_info"
1633
1634                        } elsif ($diffinfo{'status'} eq "D") { # deleted
1635                                print "<div class=\"diff_info\">" . file_type($diffinfo{'from_mode'}) . ":" .
1636                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1637                                                             hash=>$diffinfo{'from_id'}, file_name=>$diffinfo{'file'})},
1638                                              $diffinfo{'from_id'}) . "(deleted)" .
1639                                      "</div>\n"; # class="diff_info"
1640
1641                        } elsif ($diffinfo{'status'} eq "R" || # renamed
1642                                 $diffinfo{'status'} eq "C") { # copied
1643                                print "<div class=\"diff_info\">" .
1644                                      file_type($diffinfo{'from_mode'}) . ":" .
1645                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1646                                                             hash=>$diffinfo{'from_id'}, file_name=>$diffinfo{'from_file'})},
1647                                              $diffinfo{'from_id'}) .
1648                                      " -> " .
1649                                      file_type($diffinfo{'to_mode'}) . ":" .
1650                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1651                                                             hash=>$diffinfo{'to_id'}, file_name=>$diffinfo{'to_file'})},
1652                                              $diffinfo{'to_id'});
1653                                print "</div>\n"; # class="diff_info"
1654
1655                        } else { # modified, mode changed, ...
1656                                print "<div class=\"diff_info\">" .
1657                                      file_type($diffinfo{'from_mode'}) . ":" .
1658                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1659                                                             hash=>$diffinfo{'from_id'}, file_name=>$diffinfo{'file'})},
1660                                              $diffinfo{'from_id'}) .
1661                                      " -> " .
1662                                      file_type($diffinfo{'to_mode'}) . ":" .
1663                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1664                                                             hash=>$diffinfo{'to_id'}, file_name=>$diffinfo{'file'})},
1665                                              $diffinfo{'to_id'});
1666                                print "</div>\n"; # class="diff_info"
1667                        }
1668
1669                        #print "<div class=\"diff extended_header\">\n";
1670                        $in_header = 1;
1671                        next LINE;
1672                } # start of patch in patchset
1673
1674
1675                if ($in_header && $patch_line =~ m/^---/) {
1676                        #print "</div>\n"
1677                        $in_header = 0;
1678                }
1679                next LINE if $in_header;
1680
1681                print format_diff_line($patch_line);
1682        }
1683        print "</div>\n" if $patch_found; # class="patch"
1684
1685        print "</div>\n"; # class="patchset"
1686}
1687
1688# . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1689
1690sub git_shortlog_body {
1691        # uses global variable $project
1692        my ($revlist, $from, $to, $refs, $extra) = @_;
1693
1694        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
1695        my $have_snapshot = (defined $ctype && defined $suffix);
1696
1697        $from = 0 unless defined $from;
1698        $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
1699
1700        print "<table class=\"shortlog\" cellspacing=\"0\">\n";
1701        my $alternate = 0;
1702        for (my $i = $from; $i <= $to; $i++) {
1703                my $commit = $revlist->[$i];
1704                #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
1705                my $ref = format_ref_marker($refs, $commit);
1706                my %co = parse_commit($commit);
1707                if ($alternate) {
1708                        print "<tr class=\"dark\">\n";
1709                } else {
1710                        print "<tr class=\"light\">\n";
1711                }
1712                $alternate ^= 1;
1713                # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
1714                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1715                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1716                      "<td>";
1717                print format_subject_html($co{'title'}, $co{'title_short'},
1718                                          href(action=>"commit", hash=>$commit), $ref);
1719                print "</td>\n" .
1720                      "<td class=\"link\">" .
1721                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
1722                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
1723                if ($have_snapshot) {
1724                        print " | " .  $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
1725                }
1726                print "</td>\n" .
1727                      "</tr>\n";
1728        }
1729        if (defined $extra) {
1730                print "<tr>\n" .
1731                      "<td colspan=\"4\">$extra</td>\n" .
1732                      "</tr>\n";
1733        }
1734        print "</table>\n";
1735}
1736
1737sub git_history_body {
1738        # Warning: assumes constant type (blob or tree) during history
1739        my ($fd, $refs, $hash_base, $ftype, $extra) = @_;
1740
1741        print "<table class=\"history\" cellspacing=\"0\">\n";
1742        my $alternate = 0;
1743        while (my $line = <$fd>) {
1744                if ($line !~ m/^([0-9a-fA-F]{40})/) {
1745                        next;
1746                }
1747
1748                my $commit = $1;
1749                my %co = parse_commit($commit);
1750                if (!%co) {
1751                        next;
1752                }
1753
1754                my $ref = format_ref_marker($refs, $commit);
1755
1756                if ($alternate) {
1757                        print "<tr class=\"dark\">\n";
1758                } else {
1759                        print "<tr class=\"light\">\n";
1760                }
1761                $alternate ^= 1;
1762                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1763                      # shortlog uses      chop_str($co{'author_name'}, 10)
1764                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
1765                      "<td>";
1766                # originally git_history used chop_str($co{'title'}, 50)
1767                print format_subject_html($co{'title'}, $co{'title_short'},
1768                                          href(action=>"commit", hash=>$commit), $ref);
1769                print "</td>\n" .
1770                      "<td class=\"link\">" .
1771                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
1772                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
1773                      $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype);
1774
1775                if ($ftype eq 'blob') {
1776                        my $blob_current = git_get_hash_by_path($hash_base, $file_name);
1777                        my $blob_parent  = git_get_hash_by_path($commit, $file_name);
1778                        if (defined $blob_current && defined $blob_parent &&
1779                                        $blob_current ne $blob_parent) {
1780                                print " | " .
1781                                        $cgi->a({-href => href(action=>"blobdiff", hash=>$blob_current, hash_parent=>$blob_parent,
1782                                                               hash_base=>$commit, file_name=>$file_name)},
1783                                                "diff to current");
1784                        }
1785                }
1786                print "</td>\n" .
1787                      "</tr>\n";
1788        }
1789        if (defined $extra) {
1790                print "<tr>\n" .
1791                      "<td colspan=\"4\">$extra</td>\n" .
1792                      "</tr>\n";
1793        }
1794        print "</table>\n";
1795}
1796
1797sub git_tags_body {
1798        # uses global variable $project
1799        my ($taglist, $from, $to, $extra) = @_;
1800        $from = 0 unless defined $from;
1801        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1802
1803        print "<table class=\"tags\" cellspacing=\"0\">\n";
1804        my $alternate = 0;
1805        for (my $i = $from; $i <= $to; $i++) {
1806                my $entry = $taglist->[$i];
1807                my %tag = %$entry;
1808                my $comment_lines = $tag{'comment'};
1809                my $comment = shift @$comment_lines;
1810                my $comment_short;
1811                if (defined $comment) {
1812                        $comment_short = chop_str($comment, 30, 5);
1813                }
1814                if ($alternate) {
1815                        print "<tr class=\"dark\">\n";
1816                } else {
1817                        print "<tr class=\"light\">\n";
1818                }
1819                $alternate ^= 1;
1820                print "<td><i>$tag{'age'}</i></td>\n" .
1821                      "<td>" .
1822                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
1823                               -class => "list name"}, esc_html($tag{'name'})) .
1824                      "</td>\n" .
1825                      "<td>";
1826                if (defined $comment) {
1827                        print format_subject_html($comment, $comment_short,
1828                                                  href(action=>"tag", hash=>$tag{'id'}));
1829                }
1830                print "</td>\n" .
1831                      "<td class=\"selflink\">";
1832                if ($tag{'type'} eq "tag") {
1833                        print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
1834                } else {
1835                        print "&nbsp;";
1836                }
1837                print "</td>\n" .
1838                      "<td class=\"link\">" . " | " .
1839                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
1840                if ($tag{'reftype'} eq "commit") {
1841                        print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") .
1842                              " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'refid'})}, "log");
1843                } elsif ($tag{'reftype'} eq "blob") {
1844                        print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
1845                }
1846                print "</td>\n" .
1847                      "</tr>";
1848        }
1849        if (defined $extra) {
1850                print "<tr>\n" .
1851                      "<td colspan=\"5\">$extra</td>\n" .
1852                      "</tr>\n";
1853        }
1854        print "</table>\n";
1855}
1856
1857sub git_heads_body {
1858        # uses global variable $project
1859        my ($taglist, $head, $from, $to, $extra) = @_;
1860        $from = 0 unless defined $from;
1861        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1862
1863        print "<table class=\"heads\" cellspacing=\"0\">\n";
1864        my $alternate = 0;
1865        for (my $i = $from; $i <= $to; $i++) {
1866                my $entry = $taglist->[$i];
1867                my %tag = %$entry;
1868                my $curr = $tag{'id'} eq $head;
1869                if ($alternate) {
1870                        print "<tr class=\"dark\">\n";
1871                } else {
1872                        print "<tr class=\"light\">\n";
1873                }
1874                $alternate ^= 1;
1875                print "<td><i>$tag{'age'}</i></td>\n" .
1876                      ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
1877                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'}),
1878                               -class => "list name"},esc_html($tag{'name'})) .
1879                      "</td>\n" .
1880                      "<td class=\"link\">" .
1881                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") . " | " .
1882                      $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log") .
1883                      "</td>\n" .
1884                      "</tr>";
1885        }
1886        if (defined $extra) {
1887                print "<tr>\n" .
1888                      "<td colspan=\"3\">$extra</td>\n" .
1889                      "</tr>\n";
1890        }
1891        print "</table>\n";
1892}
1893
1894## ----------------------------------------------------------------------
1895## functions printing large fragments, format as one of arguments
1896
1897sub git_diff_print {
1898        my $from = shift;
1899        my $from_name = shift;
1900        my $to = shift;
1901        my $to_name = shift;
1902        my $format = shift || "html";
1903
1904        my $from_tmp = "/dev/null";
1905        my $to_tmp = "/dev/null";
1906        my $pid = $$;
1907
1908        # create tmp from-file
1909        if (defined $from) {
1910                $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
1911                open my $fd2, "> $from_tmp";
1912                open my $fd, "-|", $GIT, "cat-file", "blob", $from;
1913                my @file = <$fd>;
1914                print $fd2 @file;
1915                close $fd2;
1916                close $fd;
1917        }
1918
1919        # create tmp to-file
1920        if (defined $to) {
1921                $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
1922                open my $fd2, "> $to_tmp";
1923                open my $fd, "-|", $GIT, "cat-file", "blob", $to;
1924                my @file = <$fd>;
1925                print $fd2 @file;
1926                close $fd2;
1927                close $fd;
1928        }
1929
1930        open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
1931        if ($format eq "plain") {
1932                undef $/;
1933                print <$fd>;
1934                $/ = "\n";
1935        } else {
1936                while (my $line = <$fd>) {
1937                        chomp $line;
1938                        my $char = substr($line, 0, 1);
1939                        my $diff_class = "";
1940                        if ($char eq '+') {
1941                                $diff_class = " add";
1942                        } elsif ($char eq "-") {
1943                                $diff_class = " rem";
1944                        } elsif ($char eq "@") {
1945                                $diff_class = " chunk_header";
1946                        } elsif ($char eq "\\") {
1947                                # skip errors
1948                                next;
1949                        }
1950                        $line = untabify($line);
1951                        print "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
1952                }
1953        }
1954        close $fd;
1955
1956        if (defined $from) {
1957                unlink($from_tmp);
1958        }
1959        if (defined $to) {
1960                unlink($to_tmp);
1961        }
1962}
1963
1964
1965## ======================================================================
1966## ======================================================================
1967## actions
1968
1969sub git_project_list {
1970        my $order = $cgi->param('o');
1971        if (defined $order && $order !~ m/project|descr|owner|age/) {
1972                die_error(undef, "Unknown order parameter");
1973        }
1974
1975        my @list = git_get_projects_list();
1976        my @projects;
1977        if (!@list) {
1978                die_error(undef, "No projects found");
1979        }
1980        foreach my $pr (@list) {
1981                my $head = git_get_head_hash($pr->{'path'});
1982                if (!defined $head) {
1983                        next;
1984                }
1985                $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
1986                my %co = parse_commit($head);
1987                if (!%co) {
1988                        next;
1989                }
1990                $pr->{'commit'} = \%co;
1991                if (!defined $pr->{'descr'}) {
1992                        my $descr = git_get_project_description($pr->{'path'}) || "";
1993                        $pr->{'descr'} = chop_str($descr, 25, 5);
1994                }
1995                if (!defined $pr->{'owner'}) {
1996                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
1997                }
1998                push @projects, $pr;
1999        }
2000
2001        git_header_html();
2002        if (-f $home_text) {
2003                print "<div class=\"index_include\">\n";
2004                open (my $fd, $home_text);
2005                print <$fd>;
2006                close $fd;
2007                print "</div>\n";
2008        }
2009        print "<table class=\"project_list\">\n" .
2010              "<tr>\n";
2011        $order ||= "project";
2012        if ($order eq "project") {
2013                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
2014                print "<th>Project</th>\n";
2015        } else {
2016                print "<th>" .
2017                      $cgi->a({-href => "$my_uri?" . esc_param("o=project"),
2018                               -class => "header"}, "Project") .
2019                      "</th>\n";
2020        }
2021        if ($order eq "descr") {
2022                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
2023                print "<th>Description</th>\n";
2024        } else {
2025                print "<th>" .
2026                      $cgi->a({-href => "$my_uri?" . esc_param("o=descr"),
2027                               -class => "header"}, "Description") .
2028                      "</th>\n";
2029        }
2030        if ($order eq "owner") {
2031                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
2032                print "<th>Owner</th>\n";
2033        } else {
2034                print "<th>" .
2035                      $cgi->a({-href => "$my_uri?" . esc_param("o=owner"),
2036                               -class => "header"}, "Owner") .
2037                      "</th>\n";
2038        }
2039        if ($order eq "age") {
2040                @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
2041                print "<th>Last Change</th>\n";
2042        } else {
2043                print "<th>" .
2044                      $cgi->a({-href => "$my_uri?" . esc_param("o=age"),
2045                               -class => "header"}, "Last Change") .
2046                      "</th>\n";
2047        }
2048        print "<th></th>\n" .
2049              "</tr>\n";
2050        my $alternate = 0;
2051        foreach my $pr (@projects) {
2052                if ($alternate) {
2053                        print "<tr class=\"dark\">\n";
2054                } else {
2055                        print "<tr class=\"light\">\n";
2056                }
2057                $alternate ^= 1;
2058                print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
2059                                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
2060                      "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
2061                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
2062                print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" .
2063                      $pr->{'commit'}{'age_string'} . "</td>\n" .
2064                      "<td class=\"link\">" .
2065                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
2066                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
2067                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") .
2068                      "</td>\n" .
2069                      "</tr>\n";
2070        }
2071        print "</table>\n";
2072        git_footer_html();
2073}
2074
2075sub git_summary {
2076        my $descr = git_get_project_description($project) || "none";
2077        my $head = git_get_head_hash($project);
2078        my %co = parse_commit($head);
2079        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2080
2081        my $owner = git_get_project_owner($project);
2082
2083        my $refs = git_get_references();
2084        git_header_html();
2085        git_print_page_nav('summary','', $head);
2086
2087        print "<div class=\"title\">&nbsp;</div>\n";
2088        print "<table cellspacing=\"0\">\n" .
2089              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
2090              "<tr><td>owner</td><td>$owner</td></tr>\n" .
2091              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n";
2092        # use per project git URL list in $projectroot/$project/cloneurl
2093        # or make project git URL from git base URL and project name
2094        my $url_tag = "URL";
2095        my @url_list = git_get_project_url_list($project);
2096        @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
2097        foreach my $git_url (@url_list) {
2098                next unless $git_url;
2099                print "<tr><td>$url_tag</td><td>$git_url</td></tr>\n";
2100                $url_tag = "";
2101        }
2102        print "</table>\n";
2103
2104        open my $fd, "-|", $GIT, "rev-list", "--max-count=17", git_get_head_hash($project)
2105                or die_error(undef, "Open git-rev-list failed");
2106        my @revlist = map { chomp; $_ } <$fd>;
2107        close $fd;
2108        git_print_header_div('shortlog');
2109        git_shortlog_body(\@revlist, 0, 15, $refs,
2110                          $cgi->a({-href => href(action=>"shortlog")}, "..."));
2111
2112        my $taglist = git_get_refs_list("refs/tags");
2113        if (defined @$taglist) {
2114                git_print_header_div('tags');
2115                git_tags_body($taglist, 0, 15,
2116                              $cgi->a({-href => href(action=>"tags")}, "..."));
2117        }
2118
2119        my $headlist = git_get_refs_list("refs/heads");
2120        if (defined @$headlist) {
2121                git_print_header_div('heads');
2122                git_heads_body($headlist, $head, 0, 15,
2123                               $cgi->a({-href => href(action=>"heads")}, "..."));
2124        }
2125
2126        git_footer_html();
2127}
2128
2129sub git_tag {
2130        my $head = git_get_head_hash($project);
2131        git_header_html();
2132        git_print_page_nav('','', $head,undef,$head);
2133        my %tag = parse_tag($hash);
2134        git_print_header_div('commit', esc_html($tag{'name'}), $hash);
2135        print "<div class=\"title_text\">\n" .
2136              "<table cellspacing=\"0\">\n" .
2137              "<tr>\n" .
2138              "<td>object</td>\n" .
2139              "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2140                               $tag{'object'}) . "</td>\n" .
2141              "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2142                                              $tag{'type'}) . "</td>\n" .
2143              "</tr>\n";
2144        if (defined($tag{'author'})) {
2145                my %ad = parse_date($tag{'epoch'}, $tag{'tz'});
2146                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
2147                print "<tr><td></td><td>" . $ad{'rfc2822'} .
2148                        sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) .
2149                        "</td></tr>\n";
2150        }
2151        print "</table>\n\n" .
2152              "</div>\n";
2153        print "<div class=\"page_body\">";
2154        my $comment = $tag{'comment'};
2155        foreach my $line (@$comment) {
2156                print esc_html($line) . "<br/>\n";
2157        }
2158        print "</div>\n";
2159        git_footer_html();
2160}
2161
2162sub git_blame2 {
2163        my $fd;
2164        my $ftype;
2165
2166        if (!gitweb_check_feature('blame')) {
2167                die_error('403 Permission denied', "Permission denied");
2168        }
2169        die_error('404 Not Found', "File name not defined") if (!$file_name);
2170        $hash_base ||= git_get_head_hash($project);
2171        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2172        my %co = parse_commit($hash_base)
2173                or die_error(undef, "Reading commit failed");
2174        if (!defined $hash) {
2175                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2176                        or die_error(undef, "Error looking up file");
2177        }
2178        $ftype = git_get_type($hash);
2179        if ($ftype !~ "blob") {
2180                die_error("400 Bad Request", "Object is not a blob");
2181        }
2182        open ($fd, "-|", $GIT, "blame", '-l', $file_name, $hash_base)
2183                or die_error(undef, "Open git-blame failed");
2184        git_header_html();
2185        my $formats_nav =
2186                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2187                        "blob") .
2188                " | " .
2189                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2190                        "head");
2191        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2192        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2193        git_print_page_path($file_name, $ftype, $hash_base);
2194        my @rev_color = (qw(light2 dark2));
2195        my $num_colors = scalar(@rev_color);
2196        my $current_color = 0;
2197        my $last_rev;
2198        print <<HTML;
2199<div class="page_body">
2200<table class="blame">
2201<tr><th>Commit</th><th>Line</th><th>Data</th></tr>
2202HTML
2203        while (<$fd>) {
2204                /^([0-9a-fA-F]{40}).*?(\d+)\)\s{1}(\s*.*)/;
2205                my $full_rev = $1;
2206                my $rev = substr($full_rev, 0, 8);
2207                my $lineno = $2;
2208                my $data = $3;
2209
2210                if (!defined $last_rev) {
2211                        $last_rev = $full_rev;
2212                } elsif ($last_rev ne $full_rev) {
2213                        $last_rev = $full_rev;
2214                        $current_color = ++$current_color % $num_colors;
2215                }
2216                print "<tr class=\"$rev_color[$current_color]\">\n";
2217                print "<td class=\"sha1\">" .
2218                        $cgi->a({-href => href(action=>"commit", hash=>$full_rev, file_name=>$file_name)},
2219                                esc_html($rev)) . "</td>\n";
2220                print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" .
2221                      esc_html($lineno) . "</a></td>\n";
2222                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
2223                print "</tr>\n";
2224        }
2225        print "</table>\n";
2226        print "</div>";
2227        close $fd
2228                or print "Reading blob failed\n";
2229        git_footer_html();
2230}
2231
2232sub git_blame {
2233        my $fd;
2234
2235        if (!gitweb_check_feature('blame')) {
2236                die_error('403 Permission denied', "Permission denied");
2237        }
2238        die_error('404 Not Found', "File name not defined") if (!$file_name);
2239        $hash_base ||= git_get_head_hash($project);
2240        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2241        my %co = parse_commit($hash_base)
2242                or die_error(undef, "Reading commit failed");
2243        if (!defined $hash) {
2244                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2245                        or die_error(undef, "Error lookup file");
2246        }
2247        open ($fd, "-|", $GIT, "annotate", '-l', '-t', '-r', $file_name, $hash_base)
2248                or die_error(undef, "Open git-annotate failed");
2249        git_header_html();
2250        my $formats_nav =
2251                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2252                        "blob") .
2253                " | " .
2254                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2255                        "head");
2256        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2257        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2258        git_print_page_path($file_name, 'blob', $hash_base);
2259        print "<div class=\"page_body\">\n";
2260        print <<HTML;
2261<table class="blame">
2262  <tr>
2263    <th>Commit</th>
2264    <th>Age</th>
2265    <th>Author</th>
2266    <th>Line</th>
2267    <th>Data</th>
2268  </tr>
2269HTML
2270        my @line_class = (qw(light dark));
2271        my $line_class_len = scalar (@line_class);
2272        my $line_class_num = $#line_class;
2273        while (my $line = <$fd>) {
2274                my $long_rev;
2275                my $short_rev;
2276                my $author;
2277                my $time;
2278                my $lineno;
2279                my $data;
2280                my $age;
2281                my $age_str;
2282                my $age_class;
2283
2284                chomp $line;
2285                $line_class_num = ($line_class_num + 1) % $line_class_len;
2286
2287                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
2288                        $long_rev = $1;
2289                        $author   = $2;
2290                        $time     = $3;
2291                        $lineno   = $4;
2292                        $data     = $5;
2293                } else {
2294                        print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
2295                        next;
2296                }
2297                $short_rev  = substr ($long_rev, 0, 8);
2298                $age        = time () - $time;
2299                $age_str    = age_string ($age);
2300                $age_str    =~ s/ /&nbsp;/g;
2301                $age_class  = age_class($age);
2302                $author     = esc_html ($author);
2303                $author     =~ s/ /&nbsp;/g;
2304
2305                $data = untabify($data);
2306                $data = esc_html ($data);
2307
2308                print <<HTML;
2309  <tr class="$line_class[$line_class_num]">
2310    <td class="sha1"><a href="${\href (action=>"commit", hash=>$long_rev)}" class="text">$short_rev..</a></td>
2311    <td class="$age_class">$age_str</td>
2312    <td>$author</td>
2313    <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
2314    <td class="pre">$data</td>
2315  </tr>
2316HTML
2317        } # while (my $line = <$fd>)
2318        print "</table>\n\n";
2319        close $fd
2320                or print "Reading blob failed.\n";
2321        print "</div>";
2322        git_footer_html();
2323}
2324
2325sub git_tags {
2326        my $head = git_get_head_hash($project);
2327        git_header_html();
2328        git_print_page_nav('','', $head,undef,$head);
2329        git_print_header_div('summary', $project);
2330
2331        my $taglist = git_get_refs_list("refs/tags");
2332        if (defined @$taglist) {
2333                git_tags_body($taglist);
2334        }
2335        git_footer_html();
2336}
2337
2338sub git_heads {
2339        my $head = git_get_head_hash($project);
2340        git_header_html();
2341        git_print_page_nav('','', $head,undef,$head);
2342        git_print_header_div('summary', $project);
2343
2344        my $taglist = git_get_refs_list("refs/heads");
2345        if (defined @$taglist) {
2346                git_heads_body($taglist, $head);
2347        }
2348        git_footer_html();
2349}
2350
2351sub git_blob_plain {
2352        if (!defined $hash) {
2353                if (defined $file_name) {
2354                        my $base = $hash_base || git_get_head_hash($project);
2355                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2356                                or die_error(undef, "Error lookup file");
2357                } else {
2358                        die_error(undef, "No file name defined");
2359                }
2360        }
2361        my $type = shift;
2362        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
2363                or die_error(undef, "Couldn't cat $file_name, $hash");
2364
2365        $type ||= blob_mimetype($fd, $file_name);
2366
2367        # save as filename, even when no $file_name is given
2368        my $save_as = "$hash";
2369        if (defined $file_name) {
2370                $save_as = $file_name;
2371        } elsif ($type =~ m/^text\//) {
2372                $save_as .= '.txt';
2373        }
2374
2375        print $cgi->header(-type => "$type",
2376                           -content_disposition => "inline; filename=\"$save_as\"");
2377        undef $/;
2378        binmode STDOUT, ':raw';
2379        print <$fd>;
2380        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2381        $/ = "\n";
2382        close $fd;
2383}
2384
2385sub git_blob {
2386        if (!defined $hash) {
2387                if (defined $file_name) {
2388                        my $base = $hash_base || git_get_head_hash($project);
2389                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2390                                or die_error(undef, "Error lookup file");
2391                } else {
2392                        die_error(undef, "No file name defined");
2393                }
2394        }
2395        my $have_blame = gitweb_check_feature('blame');
2396        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
2397                or die_error(undef, "Couldn't cat $file_name, $hash");
2398        my $mimetype = blob_mimetype($fd, $file_name);
2399        if ($mimetype !~ m/^text\//) {
2400                close $fd;
2401                return git_blob_plain($mimetype);
2402        }
2403        git_header_html();
2404        my $formats_nav = '';
2405        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2406                if (defined $file_name) {
2407                        if ($have_blame) {
2408                                $formats_nav .=
2409                                        $cgi->a({-href => href(action=>"blame", hash_base=>$hash_base,
2410                                                               hash=>$hash, file_name=>$file_name)},
2411                                                "blame") .
2412                                        " | ";
2413                        }
2414                        $formats_nav .=
2415                                $cgi->a({-href => href(action=>"blob_plain",
2416                                                       hash=>$hash, file_name=>$file_name)},
2417                                        "plain") .
2418                                " | " .
2419                                $cgi->a({-href => href(action=>"blob",
2420                                                       hash_base=>"HEAD", file_name=>$file_name)},
2421                                        "head");
2422                } else {
2423                        $formats_nav .=
2424                                $cgi->a({-href => href(action=>"blob_plain", hash=>$hash)}, "plain");
2425                }
2426                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2427                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2428        } else {
2429                print "<div class=\"page_nav\">\n" .
2430                      "<br/><br/></div>\n" .
2431                      "<div class=\"title\">$hash</div>\n";
2432        }
2433        git_print_page_path($file_name, "blob", $hash_base);
2434        print "<div class=\"page_body\">\n";
2435        my $nr;
2436        while (my $line = <$fd>) {
2437                chomp $line;
2438                $nr++;
2439                $line = untabify($line);
2440                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
2441                       $nr, $nr, $nr, esc_html($line);
2442        }
2443        close $fd
2444                or print "Reading blob failed.\n";
2445        print "</div>";
2446        git_footer_html();
2447}
2448
2449sub git_tree {
2450        if (!defined $hash) {
2451                $hash = git_get_head_hash($project);
2452                if (defined $file_name) {
2453                        my $base = $hash_base || $hash;
2454                        $hash = git_get_hash_by_path($base, $file_name, "tree");
2455                }
2456                if (!defined $hash_base) {
2457                        $hash_base = $hash;
2458                }
2459        }
2460        $/ = "\0";
2461        open my $fd, "-|", $GIT, "ls-tree", '-z', $hash
2462                or die_error(undef, "Open git-ls-tree failed");
2463        my @entries = map { chomp; $_ } <$fd>;
2464        close $fd or die_error(undef, "Reading tree failed");
2465        $/ = "\n";
2466
2467        my $refs = git_get_references();
2468        my $ref = format_ref_marker($refs, $hash_base);
2469        git_header_html();
2470        my %base_key = ();
2471        my $base = "";
2472        my $have_blame = gitweb_check_feature('blame');
2473        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2474                $base_key{hash_base} = $hash_base;
2475                git_print_page_nav('tree','', $hash_base);
2476                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
2477        } else {
2478                print "<div class=\"page_nav\">\n";
2479                print "<br/><br/></div>\n";
2480                print "<div class=\"title\">$hash</div>\n";
2481        }
2482        if (defined $file_name) {
2483                $base = esc_html("$file_name/");
2484        }
2485        git_print_page_path($file_name, 'tree', $hash_base);
2486        print "<div class=\"page_body\">\n";
2487        print "<table cellspacing=\"0\">\n";
2488        my $alternate = 0;
2489        foreach my $line (@entries) {
2490                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
2491                $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
2492                my $t_mode = $1;
2493                my $t_type = $2;
2494                my $t_hash = $3;
2495                my $t_name = validate_input($4);
2496                if ($alternate) {
2497                        print "<tr class=\"dark\">\n";
2498                } else {
2499                        print "<tr class=\"light\">\n";
2500                }
2501                $alternate ^= 1;
2502                print "<td class=\"mode\">" . mode_str($t_mode) . "</td>\n";
2503                if ($t_type eq "blob") {
2504                        print "<td class=\"list\">" .
2505                              $cgi->a({-href => href(action=>"blob", hash=>$t_hash, file_name=>"$base$t_name", %base_key),
2506                                      -class => "list"}, esc_html($t_name)) .
2507                              "</td>\n" .
2508                              "<td class=\"link\">" .
2509                              $cgi->a({-href => href(action=>"blob", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2510                                      "blob");
2511                        if ($have_blame) {
2512                                print " | " .
2513                                        $cgi->a({-href => href(action=>"blame", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2514                                                "blame");
2515                        }
2516                        print " | " .
2517                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2518                                                     hash=>$t_hash, file_name=>"$base$t_name")},
2519                                      "history") .
2520                              " | " .
2521                              $cgi->a({-href => href(action=>"blob_plain",
2522                                                     hash=>$t_hash, file_name=>"$base$t_name")},
2523                                      "raw") .
2524                              "</td>\n";
2525                } elsif ($t_type eq "tree") {
2526                        print "<td class=\"list\">" .
2527                              $cgi->a({-href => href(action=>"tree", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2528                                      esc_html($t_name)) .
2529                              "</td>\n" .
2530                              "<td class=\"link\">" .
2531                              $cgi->a({-href => href(action=>"tree", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2532                                      "tree") .
2533                              " | " .
2534                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base, file_name=>"$base$t_name")},
2535                                      "history") .
2536                              "</td>\n";
2537                }
2538                print "</tr>\n";
2539        }
2540        print "</table>\n" .
2541              "</div>";
2542        git_footer_html();
2543}
2544
2545sub git_snapshot {
2546
2547        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2548        my $have_snapshot = (defined $ctype && defined $suffix);
2549        if (!$have_snapshot) {
2550                die_error('403 Permission denied', "Permission denied");
2551        }
2552
2553        if (!defined $hash) {
2554                $hash = git_get_head_hash($project);
2555        }
2556
2557        my $filename = basename($project) . "-$hash.tar.$suffix";
2558
2559        print $cgi->header(-type => 'application/x-tar',
2560                           -content_encoding => $ctype,
2561                           -content_disposition => "inline; filename=\"$filename\"",
2562                           -status => '200 OK');
2563
2564        open my $fd, "-|", "$GIT tar-tree $hash \'$project\' | $command" or
2565                die_error(undef, "Execute git-tar-tree failed.");
2566        binmode STDOUT, ':raw';
2567        print <$fd>;
2568        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2569        close $fd;
2570
2571}
2572
2573sub git_log {
2574        my $head = git_get_head_hash($project);
2575        if (!defined $hash) {
2576                $hash = $head;
2577        }
2578        if (!defined $page) {
2579                $page = 0;
2580        }
2581        my $refs = git_get_references();
2582
2583        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2584        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
2585                or die_error(undef, "Open git-rev-list failed");
2586        my @revlist = map { chomp; $_ } <$fd>;
2587        close $fd;
2588
2589        my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#revlist);
2590
2591        git_header_html();
2592        git_print_page_nav('log','', $hash,undef,undef, $paging_nav);
2593
2594        if (!@revlist) {
2595                my %co = parse_commit($hash);
2596
2597                git_print_header_div('summary', $project);
2598                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
2599        }
2600        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2601                my $commit = $revlist[$i];
2602                my $ref = format_ref_marker($refs, $commit);
2603                my %co = parse_commit($commit);
2604                next if !%co;
2605                my %ad = parse_date($co{'author_epoch'});
2606                git_print_header_div('commit',
2607                               "<span class=\"age\">$co{'age_string'}</span>" .
2608                               esc_html($co{'title'}) . $ref,
2609                               $commit);
2610                print "<div class=\"title_text\">\n" .
2611                      "<div class=\"log_link\">\n" .
2612                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
2613                      " | " .
2614                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
2615                      "<br/>\n" .
2616                      "</div>\n" .
2617                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
2618                      "</div>\n";
2619
2620                print "<div class=\"log_body\">\n";
2621                git_print_simplified_log($co{'comment'});
2622                print "</div>\n";
2623        }
2624        git_footer_html();
2625}
2626
2627sub git_commit {
2628        my %co = parse_commit($hash);
2629        if (!%co) {
2630                die_error(undef, "Unknown commit object");
2631        }
2632        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2633        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2634
2635        my $parent = $co{'parent'};
2636        if (!defined $parent) {
2637                $parent = "--root";
2638        }
2639        open my $fd, "-|", $GIT, "diff-tree", '-r', '-M', $parent, $hash
2640                or die_error(undef, "Open git-diff-tree failed");
2641        my @difftree = map { chomp; $_ } <$fd>;
2642        close $fd or die_error(undef, "Reading git-diff-tree failed");
2643
2644        # non-textual hash id's can be cached
2645        my $expires;
2646        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2647                $expires = "+1d";
2648        }
2649        my $refs = git_get_references();
2650        my $ref = format_ref_marker($refs, $co{'id'});
2651
2652        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2653        my $have_snapshot = (defined $ctype && defined $suffix);
2654
2655        my $formats_nav = '';
2656        if (defined $file_name && defined $co{'parent'}) {
2657                my $parent = $co{'parent'};
2658                $formats_nav .=
2659                        $cgi->a({-href => href(action=>"blame", hash_parent=>$parent, file_name=>$file_name)},
2660                                "blame");
2661        }
2662        git_header_html(undef, $expires);
2663        git_print_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
2664                           $hash, $co{'tree'}, $hash,
2665                           $formats_nav);
2666
2667        if (defined $co{'parent'}) {
2668                git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
2669        } else {
2670                git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
2671        }
2672        print "<div class=\"title_text\">\n" .
2673              "<table cellspacing=\"0\">\n";
2674        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
2675              "<tr>" .
2676              "<td></td><td> $ad{'rfc2822'}";
2677        if ($ad{'hour_local'} < 6) {
2678                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
2679                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2680        } else {
2681                printf(" (%02d:%02d %s)",
2682                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2683        }
2684        print "</td>" .
2685              "</tr>\n";
2686        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
2687        print "<tr><td></td><td> $cd{'rfc2822'}" .
2688              sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) .
2689              "</td></tr>\n";
2690        print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
2691        print "<tr>" .
2692              "<td>tree</td>" .
2693              "<td class=\"sha1\">" .
2694              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
2695                       class => "list"}, $co{'tree'}) .
2696              "</td>" .
2697              "<td class=\"link\">" .
2698              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
2699                      "tree");
2700        if ($have_snapshot) {
2701                print " | " .
2702                      $cgi->a({-href => href(action=>"snapshot", hash=>$hash)}, "snapshot");
2703        }
2704        print "</td>" .
2705              "</tr>\n";
2706        my $parents = $co{'parents'};
2707        foreach my $par (@$parents) {
2708                print "<tr>" .
2709                      "<td>parent</td>" .
2710                      "<td class=\"sha1\">" .
2711                      $cgi->a({-href => href(action=>"commit", hash=>$par),
2712                               class => "list"}, $par) .
2713                      "</td>" .
2714                      "<td class=\"link\">" .
2715                      $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
2716                      " | " .
2717                      $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "commitdiff") .
2718                      "</td>" .
2719                      "</tr>\n";
2720        }
2721        print "</table>".
2722              "</div>\n";
2723
2724        print "<div class=\"page_body\">\n";
2725        git_print_log($co{'comment'});
2726        print "</div>\n";
2727
2728        git_difftree_body(\@difftree, $hash, $parent);
2729
2730        git_footer_html();
2731}
2732
2733sub git_blobdiff {
2734        mkdir($git_temp, 0700);
2735        git_header_html();
2736        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2737                my $formats_nav =
2738                        $cgi->a({-href => href(action=>"blobdiff_plain",
2739                                               hash=>$hash, hash_parent=>$hash_parent)},
2740                                "plain");
2741                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2742                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2743        } else {
2744                print <<HTML;
2745<div class="page_nav"><br/><br/></div>
2746<div class="title">$hash vs $hash_parent</div>
2747HTML
2748        }
2749        git_print_page_path($file_name, "blob", $hash_base);
2750        print "<div class=\"page_body\">\n" .
2751              "<div class=\"diff_info\">blob:" .
2752              $cgi->a({-href => href(action=>"blob", hash=>$hash_parent,
2753                                     hash_base=>$hash_base, file_name=>($file_parent || $file_name))},
2754                      $hash_parent) .
2755              " -> blob:" .
2756              $cgi->a({-href => href(action=>"blob", hash=>$hash,
2757                                     hash_base=>$hash_base, file_name=>$file_name)},
2758                      $hash) .
2759              "</div>\n";
2760        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2761        print "</div>"; # page_body
2762        git_footer_html();
2763}
2764
2765sub git_blobdiff_plain {
2766        mkdir($git_temp, 0700);
2767        print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2768        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2769}
2770
2771sub git_commitdiff {
2772        my $format = shift || 'html';
2773        my %co = parse_commit($hash);
2774        if (!%co) {
2775                die_error(undef, "Unknown commit object");
2776        }
2777        if (!defined $hash_parent) {
2778                $hash_parent = $co{'parent'} || '--root';
2779        }
2780
2781        # read commitdiff
2782        my $fd;
2783        my @difftree;
2784        if ($format eq 'html') {
2785                open $fd, "-|", $GIT, "diff-tree", '-r', '-M', '-C',
2786                        "--patch-with-raw", "--full-index", $hash_parent, $hash
2787                        or die_error(undef, "Open git-diff-tree failed");
2788
2789                while (chomp(my $line = <$fd>)) {
2790                        # empty line ends raw part of diff-tree output
2791                        last unless $line;
2792                        push @difftree, $line;
2793                }
2794
2795        } elsif ($format eq 'plain') {
2796                open $fd, "-|", $GIT, "diff-tree", '-r', '-p', '-B', $hash_parent, $hash
2797                        or die_error(undef, "Open git-diff-tree failed");
2798
2799        } else {
2800                die_error(undef, "Unknown commitdiff format");
2801        }
2802
2803        # non-textual hash id's can be cached
2804        my $expires;
2805        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2806                $expires = "+1d";
2807        }
2808
2809        # write commit message
2810        if ($format eq 'html') {
2811                my $refs = git_get_references();
2812                my $ref = format_ref_marker($refs, $co{'id'});
2813                my $formats_nav =
2814                        $cgi->a({-href => href(action=>"commitdiff_plain",
2815                                               hash=>$hash, hash_parent=>$hash_parent)},
2816                                "plain");
2817
2818                git_header_html(undef, $expires);
2819                git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
2820                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
2821                print "<div class=\"page_body\">\n";
2822                print "<div class=\"log\">\n";
2823                git_print_simplified_log($co{'comment'}, 1); # skip title
2824                print "</div>\n"; # class="log"
2825
2826        } elsif ($format eq 'plain') {
2827                my $refs = git_get_references("tags");
2828                my @tagnames;
2829                if (exists $refs->{$hash}) {
2830                        @tagnames = map { s|^tags/|| } $refs->{$hash};
2831                }
2832                my $filename = basename($project) . "-$hash.patch";
2833
2834                print $cgi->header(
2835                        -type => 'text/plain',
2836                        -charset => 'utf-8',
2837                        -expires => $expires,
2838                        -content_disposition => qq(inline; filename="$filename"));
2839                my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2840                print <<TEXT;
2841From: $co{'author'}
2842Date: $ad{'rfc2822'} ($ad{'tz_local'})
2843Subject: $co{'title'}
2844TEXT
2845                foreach my $tag (@tagnames) {
2846                        print "X-Git-Tag: $tag\n";
2847                }
2848                print "X-Git-Url: " . $cgi->self_url() . "\n\n";
2849                foreach my $line (@{$co{'comment'}}) {
2850                        print "$line\n";
2851                }
2852                print "---\n\n";
2853        }
2854
2855        # write patch
2856        if ($format eq 'html') {
2857                #git_difftree_body(\@difftree, $hash, $hash_parent);
2858                #print "<br/>\n";
2859
2860                git_patchset_body($fd, \@difftree, $hash, $hash_parent);
2861                close $fd;
2862                print "</div>\n"; # class="page_body"
2863                git_footer_html();
2864
2865        } elsif ($format eq 'plain') {
2866                local $/ = undef;
2867                print <$fd>;
2868                close $fd
2869                        or print "Reading git-diff-tree failed\n";
2870        }
2871}
2872
2873sub git_commitdiff_plain {
2874        git_commitdiff('plain');
2875}
2876
2877sub git_history {
2878        if (!defined $hash_base) {
2879                $hash_base = git_get_head_hash($project);
2880        }
2881        my $ftype;
2882        my %co = parse_commit($hash_base);
2883        if (!%co) {
2884                die_error(undef, "Unknown commit object");
2885        }
2886        my $refs = git_get_references();
2887        git_header_html();
2888        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base);
2889        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2890        if (!defined $hash && defined $file_name) {
2891                $hash = git_get_hash_by_path($hash_base, $file_name);
2892        }
2893        if (defined $hash) {
2894                $ftype = git_get_type($hash);
2895        }
2896        git_print_page_path($file_name, $ftype, $hash_base);
2897
2898        open my $fd, "-|",
2899                $GIT, "rev-list", "--full-history", $hash_base, "--", $file_name;
2900        git_history_body($fd, $refs, $hash_base, $ftype);
2901
2902        close $fd;
2903        git_footer_html();
2904}
2905
2906sub git_search {
2907        if (!defined $searchtext) {
2908                die_error(undef, "Text field empty");
2909        }
2910        if (!defined $hash) {
2911                $hash = git_get_head_hash($project);
2912        }
2913        my %co = parse_commit($hash);
2914        if (!%co) {
2915                die_error(undef, "Unknown commit object");
2916        }
2917        # pickaxe may take all resources of your box and run for several minutes
2918        # with every query - so decide by yourself how public you make this feature :)
2919        my $commit_search = 1;
2920        my $author_search = 0;
2921        my $committer_search = 0;
2922        my $pickaxe_search = 0;
2923        if ($searchtext =~ s/^author\\://i) {
2924                $author_search = 1;
2925        } elsif ($searchtext =~ s/^committer\\://i) {
2926                $committer_search = 1;
2927        } elsif ($searchtext =~ s/^pickaxe\\://i) {
2928                $commit_search = 0;
2929                $pickaxe_search = 1;
2930        }
2931        git_header_html();
2932        git_print_page_nav('','', $hash,$co{'tree'},$hash);
2933        git_print_header_div('commit', esc_html($co{'title'}), $hash);
2934
2935        print "<table cellspacing=\"0\">\n";
2936        my $alternate = 0;
2937        if ($commit_search) {
2938                $/ = "\0";
2939                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", $hash or next;
2940                while (my $commit_text = <$fd>) {
2941                        if (!grep m/$searchtext/i, $commit_text) {
2942                                next;
2943                        }
2944                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2945                                next;
2946                        }
2947                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2948                                next;
2949                        }
2950                        my @commit_lines = split "\n", $commit_text;
2951                        my %co = parse_commit(undef, \@commit_lines);
2952                        if (!%co) {
2953                                next;
2954                        }
2955                        if ($alternate) {
2956                                print "<tr class=\"dark\">\n";
2957                        } else {
2958                                print "<tr class=\"light\">\n";
2959                        }
2960                        $alternate ^= 1;
2961                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2962                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2963                              "<td>" .
2964                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), -class => "list subject"},
2965                                       esc_html(chop_str($co{'title'}, 50)) . "<br/>");
2966                        my $comment = $co{'comment'};
2967                        foreach my $line (@$comment) {
2968                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2969                                        my $lead = esc_html($1) || "";
2970                                        $lead = chop_str($lead, 30, 10);
2971                                        my $match = esc_html($2) || "";
2972                                        my $trail = esc_html($3) || "";
2973                                        $trail = chop_str($trail, 30, 10);
2974                                        my $text = "$lead<span class=\"match\">$match</span>$trail";
2975                                        print chop_str($text, 80, 5) . "<br/>\n";
2976                                }
2977                        }
2978                        print "</td>\n" .
2979                              "<td class=\"link\">" .
2980                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
2981                              " | " .
2982                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
2983                        print "</td>\n" .
2984                              "</tr>\n";
2985                }
2986                close $fd;
2987        }
2988
2989        if ($pickaxe_search) {
2990                $/ = "\n";
2991                open my $fd, "-|", "$GIT rev-list $hash | $GIT diff-tree -r --stdin -S\'$searchtext\'";
2992                undef %co;
2993                my @files;
2994                while (my $line = <$fd>) {
2995                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2996                                my %set;
2997                                $set{'file'} = $6;
2998                                $set{'from_id'} = $3;
2999                                $set{'to_id'} = $4;
3000                                $set{'id'} = $set{'to_id'};
3001                                if ($set{'id'} =~ m/0{40}/) {
3002                                        $set{'id'} = $set{'from_id'};
3003                                }
3004                                if ($set{'id'} =~ m/0{40}/) {
3005                                        next;
3006                                }
3007                                push @files, \%set;
3008                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
3009                                if (%co) {
3010                                        if ($alternate) {
3011                                                print "<tr class=\"dark\">\n";
3012                                        } else {
3013                                                print "<tr class=\"light\">\n";
3014                                        }
3015                                        $alternate ^= 1;
3016                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3017                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3018                                              "<td>" .
3019                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
3020                                                      -class => "list subject"},
3021                                                      esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3022                                        while (my $setref = shift @files) {
3023                                                my %set = %$setref;
3024                                                print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
3025                                                                             hash=>$set{'id'}, file_name=>$set{'file'}),
3026                                                              -class => "list"},
3027                                                              "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
3028                                                      "<br/>\n";
3029                                        }
3030                                        print "</td>\n" .
3031                                              "<td class=\"link\">" .
3032                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3033                                              " | " .
3034                                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3035                                        print "</td>\n" .
3036                                              "</tr>\n";
3037                                }
3038                                %co = parse_commit($1);
3039                        }
3040                }
3041                close $fd;
3042        }
3043        print "</table>\n";
3044        git_footer_html();
3045}
3046
3047sub git_shortlog {
3048        my $head = git_get_head_hash($project);
3049        if (!defined $hash) {
3050                $hash = $head;
3051        }
3052        if (!defined $page) {
3053                $page = 0;
3054        }
3055        my $refs = git_get_references();
3056
3057        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3058        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
3059                or die_error(undef, "Open git-rev-list failed");
3060        my @revlist = map { chomp; $_ } <$fd>;
3061        close $fd;
3062
3063        my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#revlist);
3064        my $next_link = '';
3065        if ($#revlist >= (100 * ($page+1)-1)) {
3066                $next_link =
3067                        $cgi->a({-href => href(action=>"shortlog", hash=>$hash, page=>$page+1),
3068                                 -title => "Alt-n"}, "next");
3069        }
3070
3071
3072        git_header_html();
3073        git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
3074        git_print_header_div('summary', $project);
3075
3076        git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
3077
3078        git_footer_html();
3079}
3080
3081## ......................................................................
3082## feeds (RSS, OPML)
3083
3084sub git_rss {
3085        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
3086        open my $fd, "-|", $GIT, "rev-list", "--max-count=150", git_get_head_hash($project)
3087                or die_error(undef, "Open git-rev-list failed");
3088        my @revlist = map { chomp; $_ } <$fd>;
3089        close $fd or die_error(undef, "Reading git-rev-list failed");
3090        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3091        print <<XML;
3092<?xml version="1.0" encoding="utf-8"?>
3093<rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
3094<channel>
3095<title>$project $my_uri $my_url</title>
3096<link>${\esc_html("$my_url?p=$project;a=summary")}</link>
3097<description>$project log</description>
3098<language>en</language>
3099XML
3100
3101        for (my $i = 0; $i <= $#revlist; $i++) {
3102                my $commit = $revlist[$i];
3103                my %co = parse_commit($commit);
3104                # we read 150, we always show 30 and the ones more recent than 48 hours
3105                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
3106                        last;
3107                }
3108                my %cd = parse_date($co{'committer_epoch'});
3109                open $fd, "-|", $GIT, "diff-tree", '-r', $co{'parent'}, $co{'id'} or next;
3110                my @difftree = map { chomp; $_ } <$fd>;
3111                close $fd or next;
3112                print "<item>\n" .
3113                      "<title>" .
3114                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
3115                      "</title>\n" .
3116                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
3117                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
3118                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
3119                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
3120                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
3121                      "<content:encoded>" .
3122                      "<![CDATA[\n";
3123                my $comment = $co{'comment'};
3124                foreach my $line (@$comment) {
3125                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
3126                        print "$line<br/>\n";
3127                }
3128                print "<br/>\n";
3129                foreach my $line (@difftree) {
3130                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
3131                                next;
3132                        }
3133                        my $file = validate_input(unquote($7));
3134                        $file = decode("utf8", $file, Encode::FB_DEFAULT);
3135                        print "$file<br/>\n";
3136                }
3137                print "]]>\n" .
3138                      "</content:encoded>\n" .
3139                      "</item>\n";
3140        }
3141        print "</channel></rss>";
3142}
3143
3144sub git_opml {
3145        my @list = git_get_projects_list();
3146
3147        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3148        print <<XML;
3149<?xml version="1.0" encoding="utf-8"?>
3150<opml version="1.0">
3151<head>
3152  <title>$site_name Git OPML Export</title>
3153</head>
3154<body>
3155<outline text="git RSS feeds">
3156XML
3157
3158        foreach my $pr (@list) {
3159                my %proj = %$pr;
3160                my $head = git_get_head_hash($proj{'path'});
3161                if (!defined $head) {
3162                        next;
3163                }
3164                $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
3165                my %co = parse_commit($head);
3166                if (!%co) {
3167                        next;
3168                }
3169
3170                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
3171                my $rss  = "$my_url?p=$proj{'path'};a=rss";
3172                my $html = "$my_url?p=$proj{'path'};a=summary";
3173                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
3174        }
3175        print <<XML;
3176</outline>
3177</body>
3178</opml>
3179XML
3180}