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 $hash_parent_base = $cgi->param('hpb');
 215if (defined $hash_parent_base) {
 216        if (!validate_input($hash_parent_base)) {
 217                die_error(undef, "Invalid hash parent base parameter");
 218        }
 219}
 220
 221our $page = $cgi->param('pg');
 222if (defined $page) {
 223        if ($page =~ m/[^0-9]$/) {
 224                die_error(undef, "Invalid page parameter");
 225        }
 226}
 227
 228our $searchtext = $cgi->param('s');
 229if (defined $searchtext) {
 230        if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 231                die_error(undef, "Invalid search parameter");
 232        }
 233        $searchtext = quotemeta $searchtext;
 234}
 235
 236# dispatch
 237my %actions = (
 238        "blame" => \&git_blame2,
 239        "blobdiff" => \&git_blobdiff,
 240        "blobdiff_plain" => \&git_blobdiff_plain,
 241        "blob" => \&git_blob,
 242        "blob_plain" => \&git_blob_plain,
 243        "commitdiff" => \&git_commitdiff,
 244        "commitdiff_plain" => \&git_commitdiff_plain,
 245        "commit" => \&git_commit,
 246        "heads" => \&git_heads,
 247        "history" => \&git_history,
 248        "log" => \&git_log,
 249        "rss" => \&git_rss,
 250        "search" => \&git_search,
 251        "shortlog" => \&git_shortlog,
 252        "summary" => \&git_summary,
 253        "tag" => \&git_tag,
 254        "tags" => \&git_tags,
 255        "tree" => \&git_tree,
 256        "snapshot" => \&git_snapshot,
 257        # those below don't need $project
 258        "opml" => \&git_opml,
 259        "project_list" => \&git_project_list,
 260);
 261
 262if (defined $project) {
 263        $action ||= 'summary';
 264} else {
 265        $action ||= 'project_list';
 266}
 267if (!defined($actions{$action})) {
 268        die_error(undef, "Unknown action");
 269}
 270$actions{$action}->();
 271exit;
 272
 273## ======================================================================
 274## action links
 275
 276sub href(%) {
 277        my %params = @_;
 278
 279        my @mapping = (
 280                project => "p",
 281                action => "a",
 282                file_name => "f",
 283                file_parent => "fp",
 284                hash => "h",
 285                hash_parent => "hp",
 286                hash_base => "hb",
 287                hash_parent_base => "hpb",
 288                page => "pg",
 289                searchtext => "s",
 290        );
 291        my %mapping = @mapping;
 292
 293        $params{"project"} ||= $project;
 294
 295        my @result = ();
 296        for (my $i = 0; $i < @mapping; $i += 2) {
 297                my ($name, $symbol) = ($mapping[$i], $mapping[$i+1]);
 298                if (defined $params{$name}) {
 299                        push @result, $symbol . "=" . esc_param($params{$name});
 300                }
 301        }
 302        return "$my_uri?" . join(';', @result);
 303}
 304
 305
 306## ======================================================================
 307## validation, quoting/unquoting and escaping
 308
 309sub validate_input {
 310        my $input = shift;
 311
 312        if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 313                return $input;
 314        }
 315        if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 316                return undef;
 317        }
 318        if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
 319                return undef;
 320        }
 321        return $input;
 322}
 323
 324# quote unsafe chars, but keep the slash, even when it's not
 325# correct, but quoted slashes look too horrible in bookmarks
 326sub esc_param {
 327        my $str = shift;
 328        $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 329        $str =~ s/\+/%2B/g;
 330        $str =~ s/ /\+/g;
 331        return $str;
 332}
 333
 334# replace invalid utf8 character with SUBSTITUTION sequence
 335sub esc_html {
 336        my $str = shift;
 337        $str = decode("utf8", $str, Encode::FB_DEFAULT);
 338        $str = escapeHTML($str);
 339        $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
 340        return $str;
 341}
 342
 343# git may return quoted and escaped filenames
 344sub unquote {
 345        my $str = shift;
 346        if ($str =~ m/^"(.*)"$/) {
 347                $str = $1;
 348                $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 349        }
 350        return $str;
 351}
 352
 353# escape tabs (convert tabs to spaces)
 354sub untabify {
 355        my $line = shift;
 356
 357        while ((my $pos = index($line, "\t")) != -1) {
 358                if (my $count = (8 - ($pos % 8))) {
 359                        my $spaces = ' ' x $count;
 360                        $line =~ s/\t/$spaces/;
 361                }
 362        }
 363
 364        return $line;
 365}
 366
 367## ----------------------------------------------------------------------
 368## HTML aware string manipulation
 369
 370sub chop_str {
 371        my $str = shift;
 372        my $len = shift;
 373        my $add_len = shift || 10;
 374
 375        # allow only $len chars, but don't cut a word if it would fit in $add_len
 376        # if it doesn't fit, cut it if it's still longer than the dots we would add
 377        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 378        my $body = $1;
 379        my $tail = $2;
 380        if (length($tail) > 4) {
 381                $tail = " ...";
 382                $body =~ s/&[^;]*$//; # remove chopped character entities
 383        }
 384        return "$body$tail";
 385}
 386
 387## ----------------------------------------------------------------------
 388## functions returning short strings
 389
 390# CSS class for given age value (in seconds)
 391sub age_class {
 392        my $age = shift;
 393
 394        if ($age < 60*60*2) {
 395                return "age0";
 396        } elsif ($age < 60*60*24*2) {
 397                return "age1";
 398        } else {
 399                return "age2";
 400        }
 401}
 402
 403# convert age in seconds to "nn units ago" string
 404sub age_string {
 405        my $age = shift;
 406        my $age_str;
 407
 408        if ($age > 60*60*24*365*2) {
 409                $age_str = (int $age/60/60/24/365);
 410                $age_str .= " years ago";
 411        } elsif ($age > 60*60*24*(365/12)*2) {
 412                $age_str = int $age/60/60/24/(365/12);
 413                $age_str .= " months ago";
 414        } elsif ($age > 60*60*24*7*2) {
 415                $age_str = int $age/60/60/24/7;
 416                $age_str .= " weeks ago";
 417        } elsif ($age > 60*60*24*2) {
 418                $age_str = int $age/60/60/24;
 419                $age_str .= " days ago";
 420        } elsif ($age > 60*60*2) {
 421                $age_str = int $age/60/60;
 422                $age_str .= " hours ago";
 423        } elsif ($age > 60*2) {
 424                $age_str = int $age/60;
 425                $age_str .= " min ago";
 426        } elsif ($age > 2) {
 427                $age_str = int $age;
 428                $age_str .= " sec ago";
 429        } else {
 430                $age_str .= " right now";
 431        }
 432        return $age_str;
 433}
 434
 435# convert file mode in octal to symbolic file mode string
 436sub mode_str {
 437        my $mode = oct shift;
 438
 439        if (S_ISDIR($mode & S_IFMT)) {
 440                return 'drwxr-xr-x';
 441        } elsif (S_ISLNK($mode)) {
 442                return 'lrwxrwxrwx';
 443        } elsif (S_ISREG($mode)) {
 444                # git cares only about the executable bit
 445                if ($mode & S_IXUSR) {
 446                        return '-rwxr-xr-x';
 447                } else {
 448                        return '-rw-r--r--';
 449                };
 450        } else {
 451                return '----------';
 452        }
 453}
 454
 455# convert file mode in octal to file type string
 456sub file_type {
 457        my $mode = oct shift;
 458
 459        if (S_ISDIR($mode & S_IFMT)) {
 460                return "directory";
 461        } elsif (S_ISLNK($mode)) {
 462                return "symlink";
 463        } elsif (S_ISREG($mode)) {
 464                return "file";
 465        } else {
 466                return "unknown";
 467        }
 468}
 469
 470## ----------------------------------------------------------------------
 471## functions returning short HTML fragments, or transforming HTML fragments
 472## which don't beling to other sections
 473
 474# format line of commit message or tag comment
 475sub format_log_line_html {
 476        my $line = shift;
 477
 478        $line = esc_html($line);
 479        $line =~ s/ /&nbsp;/g;
 480        if ($line =~ m/([0-9a-fA-F]{40})/) {
 481                my $hash_text = $1;
 482                if (git_get_type($hash_text) eq "commit") {
 483                        my $link =
 484                                $cgi->a({-href => href(action=>"commit", hash=>$hash_text),
 485                                        -class => "text"}, $hash_text);
 486                        $line =~ s/$hash_text/$link/;
 487                }
 488        }
 489        return $line;
 490}
 491
 492# format marker of refs pointing to given object
 493sub format_ref_marker {
 494        my ($refs, $id) = @_;
 495        my $markers = '';
 496
 497        if (defined $refs->{$id}) {
 498                foreach my $ref (@{$refs->{$id}}) {
 499                        my ($type, $name) = qw();
 500                        # e.g. tags/v2.6.11 or heads/next
 501                        if ($ref =~ m!^(.*?)s?/(.*)$!) {
 502                                $type = $1;
 503                                $name = $2;
 504                        } else {
 505                                $type = "ref";
 506                                $name = $ref;
 507                        }
 508
 509                        $markers .= " <span class=\"$type\">" . esc_html($name) . "</span>";
 510                }
 511        }
 512
 513        if ($markers) {
 514                return ' <span class="refs">'. $markers . '</span>';
 515        } else {
 516                return "";
 517        }
 518}
 519
 520# format, perhaps shortened and with markers, title line
 521sub format_subject_html {
 522        my ($long, $short, $href, $extra) = @_;
 523        $extra = '' unless defined($extra);
 524
 525        if (length($short) < length($long)) {
 526                return $cgi->a({-href => $href, -class => "list subject",
 527                                -title => $long},
 528                       esc_html($short) . $extra);
 529        } else {
 530                return $cgi->a({-href => $href, -class => "list subject"},
 531                       esc_html($long)  . $extra);
 532        }
 533}
 534
 535sub format_diff_line {
 536        my $line = shift;
 537        my $char = substr($line, 0, 1);
 538        my $diff_class = "";
 539
 540        chomp $line;
 541
 542        if ($char eq '+') {
 543                $diff_class = " add";
 544        } elsif ($char eq "-") {
 545                $diff_class = " rem";
 546        } elsif ($char eq "@") {
 547                $diff_class = " chunk_header";
 548        } elsif ($char eq "\\") {
 549                $diff_class = " incomplete";
 550        }
 551        $line = untabify($line);
 552        return "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
 553}
 554
 555## ----------------------------------------------------------------------
 556## git utility subroutines, invoking git commands
 557
 558# get HEAD ref of given project as hash
 559sub git_get_head_hash {
 560        my $project = shift;
 561        my $oENV = $ENV{'GIT_DIR'};
 562        my $retval = undef;
 563        $ENV{'GIT_DIR'} = "$projectroot/$project";
 564        if (open my $fd, "-|", $GIT, "rev-parse", "--verify", "HEAD") {
 565                my $head = <$fd>;
 566                close $fd;
 567                if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 568                        $retval = $1;
 569                }
 570        }
 571        if (defined $oENV) {
 572                $ENV{'GIT_DIR'} = $oENV;
 573        }
 574        return $retval;
 575}
 576
 577# get type of given object
 578sub git_get_type {
 579        my $hash = shift;
 580
 581        open my $fd, "-|", $GIT, "cat-file", '-t', $hash or return;
 582        my $type = <$fd>;
 583        close $fd or return;
 584        chomp $type;
 585        return $type;
 586}
 587
 588sub git_get_project_config {
 589        my ($key, $type) = @_;
 590
 591        return unless ($key);
 592        $key =~ s/^gitweb\.//;
 593        return if ($key =~ m/\W/);
 594
 595        my @x = ($GIT, 'repo-config');
 596        if (defined $type) { push @x, $type; }
 597        push @x, "--get";
 598        push @x, "gitweb.$key";
 599        my $val = qx(@x);
 600        chomp $val;
 601        return ($val);
 602}
 603
 604# get hash of given path at given ref
 605sub git_get_hash_by_path {
 606        my $base = shift;
 607        my $path = shift || return undef;
 608
 609        my $tree = $base;
 610
 611        open my $fd, "-|", $GIT, "ls-tree", $base, "--", $path
 612                or die_error(undef, "Open git-ls-tree failed");
 613        my $line = <$fd>;
 614        close $fd or return undef;
 615
 616        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
 617        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
 618        return $3;
 619}
 620
 621## ......................................................................
 622## git utility functions, directly accessing git repository
 623
 624# assumes that PATH is not symref
 625sub git_get_hash_by_ref {
 626        my $path = shift;
 627
 628        open my $fd, "$projectroot/$path" or return undef;
 629        my $head = <$fd>;
 630        close $fd;
 631        chomp $head;
 632        if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 633                return $head;
 634        }
 635}
 636
 637sub git_get_project_description {
 638        my $path = shift;
 639
 640        open my $fd, "$projectroot/$path/description" or return undef;
 641        my $descr = <$fd>;
 642        close $fd;
 643        chomp $descr;
 644        return $descr;
 645}
 646
 647sub git_get_project_url_list {
 648        my $path = shift;
 649
 650        open my $fd, "$projectroot/$path/cloneurl" or return undef;
 651        my @git_project_url_list = map { chomp; $_ } <$fd>;
 652        close $fd;
 653
 654        return wantarray ? @git_project_url_list : \@git_project_url_list;
 655}
 656
 657sub git_get_projects_list {
 658        my @list;
 659
 660        if (-d $projects_list) {
 661                # search in directory
 662                my $dir = $projects_list;
 663                opendir my ($dh), $dir or return undef;
 664                while (my $dir = readdir($dh)) {
 665                        if (-e "$projectroot/$dir/HEAD") {
 666                                my $pr = {
 667                                        path => $dir,
 668                                };
 669                                push @list, $pr
 670                        }
 671                }
 672                closedir($dh);
 673        } elsif (-f $projects_list) {
 674                # read from file(url-encoded):
 675                # 'git%2Fgit.git Linus+Torvalds'
 676                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 677                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 678                open my ($fd), $projects_list or return undef;
 679                while (my $line = <$fd>) {
 680                        chomp $line;
 681                        my ($path, $owner) = split ' ', $line;
 682                        $path = unescape($path);
 683                        $owner = unescape($owner);
 684                        if (!defined $path) {
 685                                next;
 686                        }
 687                        if (-e "$projectroot/$path/HEAD") {
 688                                my $pr = {
 689                                        path => $path,
 690                                        owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 691                                };
 692                                push @list, $pr
 693                        }
 694                }
 695                close $fd;
 696        }
 697        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 698        return @list;
 699}
 700
 701sub git_get_project_owner {
 702        my $project = shift;
 703        my $owner;
 704
 705        return undef unless $project;
 706
 707        # read from file (url-encoded):
 708        # 'git%2Fgit.git Linus+Torvalds'
 709        # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 710        # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 711        if (-f $projects_list) {
 712                open (my $fd , $projects_list);
 713                while (my $line = <$fd>) {
 714                        chomp $line;
 715                        my ($pr, $ow) = split ' ', $line;
 716                        $pr = unescape($pr);
 717                        $ow = unescape($ow);
 718                        if ($pr eq $project) {
 719                                $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
 720                                last;
 721                        }
 722                }
 723                close $fd;
 724        }
 725        if (!defined $owner) {
 726                $owner = get_file_owner("$projectroot/$project");
 727        }
 728
 729        return $owner;
 730}
 731
 732sub git_get_references {
 733        my $type = shift || "";
 734        my %refs;
 735        my $fd;
 736        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 737        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 738        if (-f "$projectroot/$project/info/refs") {
 739                open $fd, "$projectroot/$project/info/refs"
 740                        or return;
 741        } else {
 742                open $fd, "-|", $GIT, "ls-remote", "."
 743                        or return;
 744        }
 745
 746        while (my $line = <$fd>) {
 747                chomp $line;
 748                if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?[^\^]+)/) {
 749                        if (defined $refs{$1}) {
 750                                push @{$refs{$1}}, $2;
 751                        } else {
 752                                $refs{$1} = [ $2 ];
 753                        }
 754                }
 755        }
 756        close $fd or return;
 757        return \%refs;
 758}
 759
 760sub git_get_following_references {
 761        my $hash = shift || return undef;
 762        my $type = shift;
 763        my $base = shift || $hash_base || "HEAD";
 764
 765        my $refs = git_get_references($type);
 766        open my $fd, "-|", $GIT, "rev-list", $base
 767                or return undef;
 768        my @commits = map { chomp; $_ } <$fd>;
 769        close $fd
 770                or return undef;
 771
 772        my @reflist;
 773        my $lastref;
 774
 775        foreach my $commit (@commits) {
 776                foreach my $ref (@{$refs->{$commit}}) {
 777                        $lastref = $ref;
 778                        push @reflist, $lastref;
 779                }
 780                if ($commit eq $hash) {
 781                        last;
 782                }
 783        }
 784
 785        return wantarray ? @reflist : $lastref;
 786}
 787
 788sub git_get_preceding_references {
 789        my $hash = shift || return undef;
 790        my $type = shift;
 791
 792        my $refs = git_get_references($type);
 793        open my $fd, "-|", $GIT, "rev-list", $hash
 794                or return undef;
 795        my @commits = map { chomp; $_ } <$fd>;
 796        close $fd
 797                or return undef;
 798
 799        my @reflist;
 800
 801        foreach my $commit (@commits) {
 802                foreach my $ref (@{$refs->{$commit}}) {
 803                        return $ref unless wantarray;
 804                        push @reflist, $ref;
 805                }
 806        }
 807
 808        return @reflist;
 809}
 810
 811sub git_get_rev_name_tags {
 812        my $hash = shift || return undef;
 813
 814        open my $fd, "-|", $GIT, "name-rev", "--tags", $hash
 815                or return;
 816        my $name_rev = <$fd>;
 817        close $fd;
 818
 819        if ($name_rev =~ m|^$hash tags/(.*)$|) {
 820                return $1;
 821        } else {
 822                # catches also '$hash undefined' output
 823                return undef;
 824        }
 825}
 826
 827## ----------------------------------------------------------------------
 828## parse to hash functions
 829
 830sub parse_date {
 831        my $epoch = shift;
 832        my $tz = shift || "-0000";
 833
 834        my %date;
 835        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 836        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 837        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 838        $date{'hour'} = $hour;
 839        $date{'minute'} = $min;
 840        $date{'mday'} = $mday;
 841        $date{'day'} = $days[$wday];
 842        $date{'month'} = $months[$mon];
 843        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
 844                           $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 845        $date{'mday-time'} = sprintf "%d %s %02d:%02d",
 846                             $mday, $months[$mon], $hour ,$min;
 847
 848        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 849        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 850        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 851        $date{'hour_local'} = $hour;
 852        $date{'minute_local'} = $min;
 853        $date{'tz_local'} = $tz;
 854        return %date;
 855}
 856
 857sub parse_tag {
 858        my $tag_id = shift;
 859        my %tag;
 860        my @comment;
 861
 862        open my $fd, "-|", $GIT, "cat-file", "tag", $tag_id or return;
 863        $tag{'id'} = $tag_id;
 864        while (my $line = <$fd>) {
 865                chomp $line;
 866                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 867                        $tag{'object'} = $1;
 868                } elsif ($line =~ m/^type (.+)$/) {
 869                        $tag{'type'} = $1;
 870                } elsif ($line =~ m/^tag (.+)$/) {
 871                        $tag{'name'} = $1;
 872                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 873                        $tag{'author'} = $1;
 874                        $tag{'epoch'} = $2;
 875                        $tag{'tz'} = $3;
 876                } elsif ($line =~ m/--BEGIN/) {
 877                        push @comment, $line;
 878                        last;
 879                } elsif ($line eq "") {
 880                        last;
 881                }
 882        }
 883        push @comment, <$fd>;
 884        $tag{'comment'} = \@comment;
 885        close $fd or return;
 886        if (!defined $tag{'name'}) {
 887                return
 888        };
 889        return %tag
 890}
 891
 892sub parse_commit {
 893        my $commit_id = shift;
 894        my $commit_text = shift;
 895
 896        my @commit_lines;
 897        my %co;
 898
 899        if (defined $commit_text) {
 900                @commit_lines = @$commit_text;
 901        } else {
 902                $/ = "\0";
 903                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", "--max-count=1", $commit_id
 904                        or return;
 905                @commit_lines = split '\n', <$fd>;
 906                close $fd or return;
 907                $/ = "\n";
 908                pop @commit_lines;
 909        }
 910        my $header = shift @commit_lines;
 911        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 912                return;
 913        }
 914        ($co{'id'}, my @parents) = split ' ', $header;
 915        $co{'parents'} = \@parents;
 916        $co{'parent'} = $parents[0];
 917        while (my $line = shift @commit_lines) {
 918                last if $line eq "\n";
 919                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 920                        $co{'tree'} = $1;
 921                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 922                        $co{'author'} = $1;
 923                        $co{'author_epoch'} = $2;
 924                        $co{'author_tz'} = $3;
 925                        if ($co{'author'} =~ m/^([^<]+) </) {
 926                                $co{'author_name'} = $1;
 927                        } else {
 928                                $co{'author_name'} = $co{'author'};
 929                        }
 930                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 931                        $co{'committer'} = $1;
 932                        $co{'committer_epoch'} = $2;
 933                        $co{'committer_tz'} = $3;
 934                        $co{'committer_name'} = $co{'committer'};
 935                        $co{'committer_name'} =~ s/ <.*//;
 936                }
 937        }
 938        if (!defined $co{'tree'}) {
 939                return;
 940        };
 941
 942        foreach my $title (@commit_lines) {
 943                $title =~ s/^    //;
 944                if ($title ne "") {
 945                        $co{'title'} = chop_str($title, 80, 5);
 946                        # remove leading stuff of merges to make the interesting part visible
 947                        if (length($title) > 50) {
 948                                $title =~ s/^Automatic //;
 949                                $title =~ s/^merge (of|with) /Merge ... /i;
 950                                if (length($title) > 50) {
 951                                        $title =~ s/(http|rsync):\/\///;
 952                                }
 953                                if (length($title) > 50) {
 954                                        $title =~ s/(master|www|rsync)\.//;
 955                                }
 956                                if (length($title) > 50) {
 957                                        $title =~ s/kernel.org:?//;
 958                                }
 959                                if (length($title) > 50) {
 960                                        $title =~ s/\/pub\/scm//;
 961                                }
 962                        }
 963                        $co{'title_short'} = chop_str($title, 50, 5);
 964                        last;
 965                }
 966        }
 967        # remove added spaces
 968        foreach my $line (@commit_lines) {
 969                $line =~ s/^    //;
 970        }
 971        $co{'comment'} = \@commit_lines;
 972
 973        my $age = time - $co{'committer_epoch'};
 974        $co{'age'} = $age;
 975        $co{'age_string'} = age_string($age);
 976        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 977        if ($age > 60*60*24*7*2) {
 978                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 979                $co{'age_string_age'} = $co{'age_string'};
 980        } else {
 981                $co{'age_string_date'} = $co{'age_string'};
 982                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 983        }
 984        return %co;
 985}
 986
 987# parse ref from ref_file, given by ref_id, with given type
 988sub parse_ref {
 989        my $ref_file = shift;
 990        my $ref_id = shift;
 991        my $type = shift || git_get_type($ref_id);
 992        my %ref_item;
 993
 994        $ref_item{'type'} = $type;
 995        $ref_item{'id'} = $ref_id;
 996        $ref_item{'epoch'} = 0;
 997        $ref_item{'age'} = "unknown";
 998        if ($type eq "tag") {
 999                my %tag = parse_tag($ref_id);
1000                $ref_item{'comment'} = $tag{'comment'};
1001                if ($tag{'type'} eq "commit") {
1002                        my %co = parse_commit($tag{'object'});
1003                        $ref_item{'epoch'} = $co{'committer_epoch'};
1004                        $ref_item{'age'} = $co{'age_string'};
1005                } elsif (defined($tag{'epoch'})) {
1006                        my $age = time - $tag{'epoch'};
1007                        $ref_item{'epoch'} = $tag{'epoch'};
1008                        $ref_item{'age'} = age_string($age);
1009                }
1010                $ref_item{'reftype'} = $tag{'type'};
1011                $ref_item{'name'} = $tag{'name'};
1012                $ref_item{'refid'} = $tag{'object'};
1013        } elsif ($type eq "commit"){
1014                my %co = parse_commit($ref_id);
1015                $ref_item{'reftype'} = "commit";
1016                $ref_item{'name'} = $ref_file;
1017                $ref_item{'title'} = $co{'title'};
1018                $ref_item{'refid'} = $ref_id;
1019                $ref_item{'epoch'} = $co{'committer_epoch'};
1020                $ref_item{'age'} = $co{'age_string'};
1021        } else {
1022                $ref_item{'reftype'} = $type;
1023                $ref_item{'name'} = $ref_file;
1024                $ref_item{'refid'} = $ref_id;
1025        }
1026
1027        return %ref_item;
1028}
1029
1030# parse line of git-diff-tree "raw" output
1031sub parse_difftree_raw_line {
1032        my $line = shift;
1033        my %res;
1034
1035        # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M   ls-files.c'
1036        # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M   rev-tree.c'
1037        if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
1038                $res{'from_mode'} = $1;
1039                $res{'to_mode'} = $2;
1040                $res{'from_id'} = $3;
1041                $res{'to_id'} = $4;
1042                $res{'status'} = $5;
1043                $res{'similarity'} = $6;
1044                if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
1045                        ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
1046                } else {
1047                        $res{'file'} = unquote($7);
1048                }
1049        }
1050        # 'c512b523472485aef4fff9e57b229d9d243c967f'
1051        #elsif ($line =~ m/^([0-9a-fA-F]{40})$/) {
1052        #       $res{'commit'} = $1;
1053        #}
1054
1055        return wantarray ? %res : \%res;
1056}
1057
1058## ......................................................................
1059## parse to array of hashes functions
1060
1061sub git_get_refs_list {
1062        my $ref_dir = shift;
1063        my @reflist;
1064
1065        my @refs;
1066        my $pfxlen = length("$projectroot/$project/$ref_dir");
1067        File::Find::find(sub {
1068                return if (/^\./);
1069                if (-f $_) {
1070                        push @refs, substr($File::Find::name, $pfxlen + 1);
1071                }
1072        }, "$projectroot/$project/$ref_dir");
1073
1074        foreach my $ref_file (@refs) {
1075                my $ref_id = git_get_hash_by_ref("$project/$ref_dir/$ref_file");
1076                my $type = git_get_type($ref_id) || next;
1077                my %ref_item = parse_ref($ref_file, $ref_id, $type);
1078
1079                push @reflist, \%ref_item;
1080        }
1081        # sort refs by age
1082        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1083        return \@reflist;
1084}
1085
1086## ----------------------------------------------------------------------
1087## filesystem-related functions
1088
1089sub get_file_owner {
1090        my $path = shift;
1091
1092        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
1093        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
1094        if (!defined $gcos) {
1095                return undef;
1096        }
1097        my $owner = $gcos;
1098        $owner =~ s/[,;].*$//;
1099        return decode("utf8", $owner, Encode::FB_DEFAULT);
1100}
1101
1102## ......................................................................
1103## mimetype related functions
1104
1105sub mimetype_guess_file {
1106        my $filename = shift;
1107        my $mimemap = shift;
1108        -r $mimemap or return undef;
1109
1110        my %mimemap;
1111        open(MIME, $mimemap) or return undef;
1112        while (<MIME>) {
1113                next if m/^#/; # skip comments
1114                my ($mime, $exts) = split(/\t+/);
1115                if (defined $exts) {
1116                        my @exts = split(/\s+/, $exts);
1117                        foreach my $ext (@exts) {
1118                                $mimemap{$ext} = $mime;
1119                        }
1120                }
1121        }
1122        close(MIME);
1123
1124        $filename =~ /\.(.*?)$/;
1125        return $mimemap{$1};
1126}
1127
1128sub mimetype_guess {
1129        my $filename = shift;
1130        my $mime;
1131        $filename =~ /\./ or return undef;
1132
1133        if ($mimetypes_file) {
1134                my $file = $mimetypes_file;
1135                if ($file !~ m!^/!) { # if it is relative path
1136                        # it is relative to project
1137                        $file = "$projectroot/$project/$file";
1138                }
1139                $mime = mimetype_guess_file($filename, $file);
1140        }
1141        $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1142        return $mime;
1143}
1144
1145sub blob_mimetype {
1146        my $fd = shift;
1147        my $filename = shift;
1148
1149        if ($filename) {
1150                my $mime = mimetype_guess($filename);
1151                $mime and return $mime;
1152        }
1153
1154        # just in case
1155        return $default_blob_plain_mimetype unless $fd;
1156
1157        if (-T $fd) {
1158                return 'text/plain' .
1159                       ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1160        } elsif (! $filename) {
1161                return 'application/octet-stream';
1162        } elsif ($filename =~ m/\.png$/i) {
1163                return 'image/png';
1164        } elsif ($filename =~ m/\.gif$/i) {
1165                return 'image/gif';
1166        } elsif ($filename =~ m/\.jpe?g$/i) {
1167                return 'image/jpeg';
1168        } else {
1169                return 'application/octet-stream';
1170        }
1171}
1172
1173## ======================================================================
1174## functions printing HTML: header, footer, error page
1175
1176sub git_header_html {
1177        my $status = shift || "200 OK";
1178        my $expires = shift;
1179
1180        my $title = "$site_name git";
1181        if (defined $project) {
1182                $title .= " - $project";
1183                if (defined $action) {
1184                        $title .= "/$action";
1185                        if (defined $file_name) {
1186                                $title .= " - $file_name";
1187                                if ($action eq "tree" && $file_name !~ m|/$|) {
1188                                        $title .= "/";
1189                                }
1190                        }
1191                }
1192        }
1193        my $content_type;
1194        # require explicit support from the UA if we are to send the page as
1195        # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
1196        # we have to do this because MSIE sometimes globs '*/*', pretending to
1197        # support xhtml+xml but choking when it gets what it asked for.
1198        if (defined $cgi->http('HTTP_ACCEPT') &&
1199            $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ &&
1200            $cgi->Accept('application/xhtml+xml') != 0) {
1201                $content_type = 'application/xhtml+xml';
1202        } else {
1203                $content_type = 'text/html';
1204        }
1205        print $cgi->header(-type=>$content_type, -charset => 'utf-8',
1206                           -status=> $status, -expires => $expires);
1207        print <<EOF;
1208<?xml version="1.0" encoding="utf-8"?>
1209<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
1210<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
1211<!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
1212<!-- git core binaries version $git_version -->
1213<head>
1214<meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
1215<meta name="generator" content="gitweb/$version git/$git_version"/>
1216<meta name="robots" content="index, nofollow"/>
1217<title>$title</title>
1218<link rel="stylesheet" type="text/css" href="$stylesheet"/>
1219EOF
1220        if (defined $project) {
1221                printf('<link rel="alternate" title="%s log" '.
1222                       'href="%s" type="application/rss+xml"/>'."\n",
1223                       esc_param($project), href(action=>"rss"));
1224        }
1225
1226        print "</head>\n" .
1227              "<body>\n" .
1228              "<div class=\"page_header\">\n" .
1229              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
1230              "<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
1231              "</a>\n";
1232        print $cgi->a({-href => esc_param($home_link)}, $home_link_str) . " / ";
1233        if (defined $project) {
1234                print $cgi->a({-href => href(action=>"summary")}, esc_html($project));
1235                if (defined $action) {
1236                        print " / $action";
1237                }
1238                print "\n";
1239                if (!defined $searchtext) {
1240                        $searchtext = "";
1241                }
1242                my $search_hash;
1243                if (defined $hash_base) {
1244                        $search_hash = $hash_base;
1245                } elsif (defined $hash) {
1246                        $search_hash = $hash;
1247                } else {
1248                        $search_hash = "HEAD";
1249                }
1250                $cgi->param("a", "search");
1251                $cgi->param("h", $search_hash);
1252                print $cgi->startform(-method => "get", -action => $my_uri) .
1253                      "<div class=\"search\">\n" .
1254                      $cgi->hidden(-name => "p") . "\n" .
1255                      $cgi->hidden(-name => "a") . "\n" .
1256                      $cgi->hidden(-name => "h") . "\n" .
1257                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
1258                      "</div>" .
1259                      $cgi->end_form() . "\n";
1260        }
1261        print "</div>\n";
1262}
1263
1264sub git_footer_html {
1265        print "<div class=\"page_footer\">\n";
1266        if (defined $project) {
1267                my $descr = git_get_project_description($project);
1268                if (defined $descr) {
1269                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
1270                }
1271                print $cgi->a({-href => href(action=>"rss"), -class => "rss_logo"}, "RSS") . "\n";
1272        } else {
1273                print $cgi->a({-href => href(action=>"opml"), -class => "rss_logo"}, "OPML") . "\n";
1274        }
1275        print "</div>\n" .
1276              "</body>\n" .
1277              "</html>";
1278}
1279
1280sub die_error {
1281        my $status = shift || "403 Forbidden";
1282        my $error = shift || "Malformed query, file missing or permission denied";
1283
1284        git_header_html($status);
1285        print <<EOF;
1286<div class="page_body">
1287<br /><br />
1288$status - $error
1289<br />
1290</div>
1291EOF
1292        git_footer_html();
1293        exit;
1294}
1295
1296## ----------------------------------------------------------------------
1297## functions printing or outputting HTML: navigation
1298
1299sub git_print_page_nav {
1300        my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
1301        $extra = '' if !defined $extra; # pager or formats
1302
1303        my @navs = qw(summary shortlog log commit commitdiff tree);
1304        if ($suppress) {
1305                @navs = grep { $_ ne $suppress } @navs;
1306        }
1307
1308        my %arg = map { $_ => {action=>$_} } @navs;
1309        if (defined $head) {
1310                for (qw(commit commitdiff)) {
1311                        $arg{$_}{hash} = $head;
1312                }
1313                if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
1314                        for (qw(shortlog log)) {
1315                                $arg{$_}{hash} = $head;
1316                        }
1317                }
1318        }
1319        $arg{tree}{hash} = $treehead if defined $treehead;
1320        $arg{tree}{hash_base} = $treebase if defined $treebase;
1321
1322        print "<div class=\"page_nav\">\n" .
1323                (join " | ",
1324                 map { $_ eq $current ?
1325                       $_ : $cgi->a({-href => href(%{$arg{$_}})}, "$_")
1326                 } @navs);
1327        print "<br/>\n$extra<br/>\n" .
1328              "</div>\n";
1329}
1330
1331sub format_paging_nav {
1332        my ($action, $hash, $head, $page, $nrevs) = @_;
1333        my $paging_nav;
1334
1335
1336        if ($hash ne $head || $page) {
1337                $paging_nav .= $cgi->a({-href => href(action=>$action)}, "HEAD");
1338        } else {
1339                $paging_nav .= "HEAD";
1340        }
1341
1342        if ($page > 0) {
1343                $paging_nav .= " &sdot; " .
1344                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page-1),
1345                                 -accesskey => "p", -title => "Alt-p"}, "prev");
1346        } else {
1347                $paging_nav .= " &sdot; prev";
1348        }
1349
1350        if ($nrevs >= (100 * ($page+1)-1)) {
1351                $paging_nav .= " &sdot; " .
1352                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page+1),
1353                                 -accesskey => "n", -title => "Alt-n"}, "next");
1354        } else {
1355                $paging_nav .= " &sdot; next";
1356        }
1357
1358        return $paging_nav;
1359}
1360
1361## ......................................................................
1362## functions printing or outputting HTML: div
1363
1364sub git_print_header_div {
1365        my ($action, $title, $hash, $hash_base) = @_;
1366        my %args = ();
1367
1368        $args{action} = $action;
1369        $args{hash} = $hash if $hash;
1370        $args{hash_base} = $hash_base if $hash_base;
1371
1372        print "<div class=\"header\">\n" .
1373              $cgi->a({-href => href(%args), -class => "title"},
1374              $title ? $title : $action) .
1375              "\n</div>\n";
1376}
1377
1378sub git_print_page_path {
1379        my $name = shift;
1380        my $type = shift;
1381        my $hb = shift;
1382
1383        if (!defined $name) {
1384                print "<div class=\"page_path\">/</div>\n";
1385        } elsif (defined $type && $type eq 'blob') {
1386                print "<div class=\"page_path\">";
1387                if (defined $hb) {
1388                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
1389                                                     hash_base=>$hb)},
1390                                      esc_html($name));
1391                } else {
1392                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name)},
1393                                      esc_html($name));
1394                }
1395                print "<br/></div>\n";
1396        } else {
1397                print "<div class=\"page_path\">" . esc_html($name) . "<br/></div>\n";
1398        }
1399}
1400
1401sub git_print_log {
1402        my $log = shift;
1403
1404        # remove leading empty lines
1405        while (defined $log->[0] && $log->[0] eq "") {
1406                shift @$log;
1407        }
1408
1409        # print log
1410        my $signoff = 0;
1411        my $empty = 0;
1412        foreach my $line (@$log) {
1413                # print only one empty line
1414                # do not print empty line after signoff
1415                if ($line eq "") {
1416                        next if ($empty || $signoff);
1417                        $empty = 1;
1418                } else {
1419                        $empty = 0;
1420                }
1421                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1422                        $signoff = 1;
1423                        print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1424                } else {
1425                        $signoff = 0;
1426                        print format_log_line_html($line) . "<br/>\n";
1427                }
1428        }
1429}
1430
1431sub git_print_simplified_log {
1432        my $log = shift;
1433        my $remove_title = shift;
1434
1435        shift @$log if $remove_title;
1436        # remove leading empty lines
1437        while (defined $log->[0] && $log->[0] eq "") {
1438                shift @$log;
1439        }
1440
1441        # simplify and print log
1442        my $empty = 0;
1443        foreach my $line (@$log) {
1444                # remove signoff lines
1445                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1446                        next;
1447                }
1448                # print only one empty line
1449                if ($line eq "") {
1450                        next if $empty;
1451                        $empty = 1;
1452                } else {
1453                        $empty = 0;
1454                }
1455                print format_log_line_html($line) . "<br/>\n";
1456        }
1457        # end with single empty line
1458        print "<br/>\n" unless $empty;
1459}
1460
1461## ......................................................................
1462## functions printing large fragments of HTML
1463
1464sub git_difftree_body {
1465        my ($difftree, $hash, $parent) = @_;
1466
1467        print "<div class=\"list_head\">\n";
1468        if ($#{$difftree} > 10) {
1469                print(($#{$difftree} + 1) . " files changed:\n");
1470        }
1471        print "</div>\n";
1472
1473        print "<table class=\"diff_tree\">\n";
1474        my $alternate = 0;
1475        foreach my $line (@{$difftree}) {
1476                my %diff = parse_difftree_raw_line($line);
1477
1478                if ($alternate) {
1479                        print "<tr class=\"dark\">\n";
1480                } else {
1481                        print "<tr class=\"light\">\n";
1482                }
1483                $alternate ^= 1;
1484
1485                my ($to_mode_oct, $to_mode_str, $to_file_type);
1486                my ($from_mode_oct, $from_mode_str, $from_file_type);
1487                if ($diff{'to_mode'} ne ('0' x 6)) {
1488                        $to_mode_oct = oct $diff{'to_mode'};
1489                        if (S_ISREG($to_mode_oct)) { # only for regular file
1490                                $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
1491                        }
1492                        $to_file_type = file_type($diff{'to_mode'});
1493                }
1494                if ($diff{'from_mode'} ne ('0' x 6)) {
1495                        $from_mode_oct = oct $diff{'from_mode'};
1496                        if (S_ISREG($to_mode_oct)) { # only for regular file
1497                                $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
1498                        }
1499                        $from_file_type = file_type($diff{'from_mode'});
1500                }
1501
1502                if ($diff{'status'} eq "A") { # created
1503                        my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
1504                        $mode_chng   .= " with mode: $to_mode_str" if $to_mode_str;
1505                        $mode_chng   .= "]</span>";
1506                        print "<td>" .
1507                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1508                                                     hash_base=>$hash, file_name=>$diff{'file'}),
1509                                      -class => "list"}, esc_html($diff{'file'})) .
1510                              "</td>\n" .
1511                              "<td>$mode_chng</td>\n" .
1512                              "<td class=\"link\">" .
1513                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1514                                                     hash_base=>$hash, file_name=>$diff{'file'})},
1515                                      "blob") .
1516                              "</td>\n";
1517
1518                } elsif ($diff{'status'} eq "D") { # deleted
1519                        my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
1520                        print "<td>" .
1521                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1522                                                     hash_base=>$parent, file_name=>$diff{'file'}),
1523                                       -class => "list"}, esc_html($diff{'file'})) .
1524                              "</td>\n" .
1525                              "<td>$mode_chng</td>\n" .
1526                              "<td class=\"link\">" .
1527                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1528                                                     hash_base=>$parent, file_name=>$diff{'file'})},
1529                                      "blob") .
1530                              " | " .
1531                              $cgi->a({-href => href(action=>"history", hash_base=>$parent,
1532                                                     file_name=>$diff{'file'})},\
1533                                      "history") .
1534                              "</td>\n";
1535
1536                } elsif ($diff{'status'} eq "M" || $diff{'status'} eq "T") { # modified, or type changed
1537                        my $mode_chnge = "";
1538                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1539                                $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
1540                                if ($from_file_type != $to_file_type) {
1541                                        $mode_chnge .= " from $from_file_type to $to_file_type";
1542                                }
1543                                if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
1544                                        if ($from_mode_str && $to_mode_str) {
1545                                                $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
1546                                        } elsif ($to_mode_str) {
1547                                                $mode_chnge .= " mode: $to_mode_str";
1548                                        }
1549                                }
1550                                $mode_chnge .= "]</span>\n";
1551                        }
1552                        print "<td>";
1553                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1554                                print $cgi->a({-href => href(action=>"blobdiff",
1555                                                             hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1556                                                             hash_base=>$hash, hash_parent_base=>$parent,
1557                                                             file_name=>$diff{'file'}),
1558                                              -class => "list"}, esc_html($diff{'file'}));
1559                        } else { # only mode changed
1560                                print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1561                                                             hash_base=>$hash, file_name=>$diff{'file'}),
1562                                              -class => "list"}, esc_html($diff{'file'}));
1563                        }
1564                        print "</td>\n" .
1565                              "<td>$mode_chnge</td>\n" .
1566                              "<td class=\"link\">" .
1567                                $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1568                                                       hash_base=>$hash, file_name=>$diff{'file'})},
1569                                        "blob");
1570                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1571                                print " | " .
1572                                        $cgi->a({-href => href(action=>"blobdiff",
1573                                                               hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1574                                                               hash_base=>$hash, hash_parent_base=>$parent,
1575                                                               file_name=>$diff{'file'})},
1576                                                "diff");
1577                        }
1578                        print " | " .
1579                                $cgi->a({-href => href(action=>"history",
1580                                                       hash_base=>$hash, file_name=>$diff{'file'})},
1581                                        "history");
1582                        print "</td>\n";
1583
1584                } elsif ($diff{'status'} eq "R" || $diff{'status'} eq "C") { # renamed or copied
1585                        my %status_name = ('R' => 'moved', 'C' => 'copied');
1586                        my $nstatus = $status_name{$diff{'status'}};
1587                        my $mode_chng = "";
1588                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1589                                # mode also for directories, so we cannot use $to_mode_str
1590                                $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
1591                        }
1592                        print "<td>" .
1593                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1594                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'}),
1595                                      -class => "list"}, esc_html($diff{'to_file'})) . "</td>\n" .
1596                              "<td><span class=\"file_status $nstatus\">[$nstatus from " .
1597                              $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
1598                                                     hash=>$diff{'from_id'}, file_name=>$diff{'from_file'}),
1599                                      -class => "list"}, esc_html($diff{'from_file'})) .
1600                              " with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
1601                              "<td class=\"link\">" .
1602                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1603                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'})},
1604                                      "blob");
1605                        if ($diff{'to_id'} ne $diff{'from_id'}) {
1606                                print " | " .
1607                                        $cgi->a({-href => href(action=>"blobdiff",
1608                                                               hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1609                                                               hash_base=>$hash, hash_parent_base=>$parent,
1610                                                               file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
1611                                                "diff");
1612                        }
1613                        print "</td>\n";
1614
1615                } # we should not encounter Unmerged (U) or Unknown (X) status
1616                print "</tr>\n";
1617        }
1618        print "</table>\n";
1619}
1620
1621sub git_patchset_body {
1622        my ($fd, $difftree, $hash, $hash_parent) = @_;
1623
1624        my $patch_idx = 0;
1625        my $in_header = 0;
1626        my $patch_found = 0;
1627        my %diffinfo;
1628
1629        print "<div class=\"patchset\">\n";
1630
1631        LINE:
1632        while (my $patch_line @$fd>) {
1633                chomp $patch_line;
1634
1635                if ($patch_line =~ m/^diff /) { # "git diff" header
1636                        # beginning of patch (in patchset)
1637                        if ($patch_found) {
1638                                # close previous patch
1639                                print "</div>\n"; # class="patch"
1640                        } else {
1641                                # first patch in patchset
1642                                $patch_found = 1;
1643                        }
1644                        print "<div class=\"patch\">\n";
1645
1646                        %diffinfo = parse_difftree_raw_line($difftree->[$patch_idx++]);
1647
1648                        # for now, no extended header, hence we skip empty patches
1649                        # companion to  next LINE if $in_header;
1650                        if ($diffinfo{'from_id'} eq $diffinfo{'to_id'}) { # no change
1651                                $in_header = 1;
1652                                next LINE;
1653                        }
1654
1655                        if ($diffinfo{'status'} eq "A") { # added
1656                                print "<div class=\"diff_info\">" . file_type($diffinfo{'to_mode'}) . ":" .
1657                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1658                                                             hash=>$diffinfo{'to_id'}, file_name=>$diffinfo{'file'})},
1659                                              $diffinfo{'to_id'}) . "(new)" .
1660                                      "</div>\n"; # class="diff_info"
1661
1662                        } elsif ($diffinfo{'status'} eq "D") { # deleted
1663                                print "<div class=\"diff_info\">" . file_type($diffinfo{'from_mode'}) . ":" .
1664                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1665                                                             hash=>$diffinfo{'from_id'}, file_name=>$diffinfo{'file'})},
1666                                              $diffinfo{'from_id'}) . "(deleted)" .
1667                                      "</div>\n"; # class="diff_info"
1668
1669                        } elsif ($diffinfo{'status'} eq "R" || # renamed
1670                                 $diffinfo{'status'} eq "C") { # copied
1671                                print "<div class=\"diff_info\">" .
1672                                      file_type($diffinfo{'from_mode'}) . ":" .
1673                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1674                                                             hash=>$diffinfo{'from_id'}, file_name=>$diffinfo{'from_file'})},
1675                                              $diffinfo{'from_id'}) .
1676                                      " -> " .
1677                                      file_type($diffinfo{'to_mode'}) . ":" .
1678                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1679                                                             hash=>$diffinfo{'to_id'}, file_name=>$diffinfo{'to_file'})},
1680                                              $diffinfo{'to_id'});
1681                                print "</div>\n"; # class="diff_info"
1682
1683                        } else { # modified, mode changed, ...
1684                                print "<div class=\"diff_info\">" .
1685                                      file_type($diffinfo{'from_mode'}) . ":" .
1686                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1687                                                             hash=>$diffinfo{'from_id'}, file_name=>$diffinfo{'file'})},
1688                                              $diffinfo{'from_id'}) .
1689                                      " -> " .
1690                                      file_type($diffinfo{'to_mode'}) . ":" .
1691                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1692                                                             hash=>$diffinfo{'to_id'}, file_name=>$diffinfo{'file'})},
1693                                              $diffinfo{'to_id'});
1694                                print "</div>\n"; # class="diff_info"
1695                        }
1696
1697                        #print "<div class=\"diff extended_header\">\n";
1698                        $in_header = 1;
1699                        next LINE;
1700                } # start of patch in patchset
1701
1702
1703                if ($in_header && $patch_line =~ m/^---/) {
1704                        #print "</div>\n"
1705                        $in_header = 0;
1706                }
1707                next LINE if $in_header;
1708
1709                print format_diff_line($patch_line);
1710        }
1711        print "</div>\n" if $patch_found; # class="patch"
1712
1713        print "</div>\n"; # class="patchset"
1714}
1715
1716# . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1717
1718sub git_shortlog_body {
1719        # uses global variable $project
1720        my ($revlist, $from, $to, $refs, $extra) = @_;
1721
1722        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
1723        my $have_snapshot = (defined $ctype && defined $suffix);
1724
1725        $from = 0 unless defined $from;
1726        $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
1727
1728        print "<table class=\"shortlog\" cellspacing=\"0\">\n";
1729        my $alternate = 0;
1730        for (my $i = $from; $i <= $to; $i++) {
1731                my $commit = $revlist->[$i];
1732                #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
1733                my $ref = format_ref_marker($refs, $commit);
1734                my %co = parse_commit($commit);
1735                if ($alternate) {
1736                        print "<tr class=\"dark\">\n";
1737                } else {
1738                        print "<tr class=\"light\">\n";
1739                }
1740                $alternate ^= 1;
1741                # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
1742                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1743                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1744                      "<td>";
1745                print format_subject_html($co{'title'}, $co{'title_short'},
1746                                          href(action=>"commit", hash=>$commit), $ref);
1747                print "</td>\n" .
1748                      "<td class=\"link\">" .
1749                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
1750                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
1751                if ($have_snapshot) {
1752                        print " | " .  $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
1753                }
1754                print "</td>\n" .
1755                      "</tr>\n";
1756        }
1757        if (defined $extra) {
1758                print "<tr>\n" .
1759                      "<td colspan=\"4\">$extra</td>\n" .
1760                      "</tr>\n";
1761        }
1762        print "</table>\n";
1763}
1764
1765sub git_history_body {
1766        # Warning: assumes constant type (blob or tree) during history
1767        my ($fd, $refs, $hash_base, $ftype, $extra) = @_;
1768
1769        print "<table class=\"history\" cellspacing=\"0\">\n";
1770        my $alternate = 0;
1771        while (my $line = <$fd>) {
1772                if ($line !~ m/^([0-9a-fA-F]{40})/) {
1773                        next;
1774                }
1775
1776                my $commit = $1;
1777                my %co = parse_commit($commit);
1778                if (!%co) {
1779                        next;
1780                }
1781
1782                my $ref = format_ref_marker($refs, $commit);
1783
1784                if ($alternate) {
1785                        print "<tr class=\"dark\">\n";
1786                } else {
1787                        print "<tr class=\"light\">\n";
1788                }
1789                $alternate ^= 1;
1790                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1791                      # shortlog uses      chop_str($co{'author_name'}, 10)
1792                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
1793                      "<td>";
1794                # originally git_history used chop_str($co{'title'}, 50)
1795                print format_subject_html($co{'title'}, $co{'title_short'},
1796                                          href(action=>"commit", hash=>$commit), $ref);
1797                print "</td>\n" .
1798                      "<td class=\"link\">" .
1799                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
1800                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
1801                      $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype);
1802
1803                if ($ftype eq 'blob') {
1804                        my $blob_current = git_get_hash_by_path($hash_base, $file_name);
1805                        my $blob_parent  = git_get_hash_by_path($commit, $file_name);
1806                        if (defined $blob_current && defined $blob_parent &&
1807                                        $blob_current ne $blob_parent) {
1808                                print " | " .
1809                                        $cgi->a({-href => href(action=>"blobdiff",
1810                                                               hash=>$blob_current, hash_parent=>$blob_parent,
1811                                                               hash_base=>$hash_base, hash_parent_base=>$commit,
1812                                                               file_name=>$file_name)},
1813                                                "diff to current");
1814                        }
1815                }
1816                print "</td>\n" .
1817                      "</tr>\n";
1818        }
1819        if (defined $extra) {
1820                print "<tr>\n" .
1821                      "<td colspan=\"4\">$extra</td>\n" .
1822                      "</tr>\n";
1823        }
1824        print "</table>\n";
1825}
1826
1827sub git_tags_body {
1828        # uses global variable $project
1829        my ($taglist, $from, $to, $extra) = @_;
1830        $from = 0 unless defined $from;
1831        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1832
1833        print "<table class=\"tags\" cellspacing=\"0\">\n";
1834        my $alternate = 0;
1835        for (my $i = $from; $i <= $to; $i++) {
1836                my $entry = $taglist->[$i];
1837                my %tag = %$entry;
1838                my $comment_lines = $tag{'comment'};
1839                my $comment = shift @$comment_lines;
1840                my $comment_short;
1841                if (defined $comment) {
1842                        $comment_short = chop_str($comment, 30, 5);
1843                }
1844                if ($alternate) {
1845                        print "<tr class=\"dark\">\n";
1846                } else {
1847                        print "<tr class=\"light\">\n";
1848                }
1849                $alternate ^= 1;
1850                print "<td><i>$tag{'age'}</i></td>\n" .
1851                      "<td>" .
1852                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
1853                               -class => "list name"}, esc_html($tag{'name'})) .
1854                      "</td>\n" .
1855                      "<td>";
1856                if (defined $comment) {
1857                        print format_subject_html($comment, $comment_short,
1858                                                  href(action=>"tag", hash=>$tag{'id'}));
1859                }
1860                print "</td>\n" .
1861                      "<td class=\"selflink\">";
1862                if ($tag{'type'} eq "tag") {
1863                        print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
1864                } else {
1865                        print "&nbsp;";
1866                }
1867                print "</td>\n" .
1868                      "<td class=\"link\">" . " | " .
1869                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
1870                if ($tag{'reftype'} eq "commit") {
1871                        print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") .
1872                              " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'refid'})}, "log");
1873                } elsif ($tag{'reftype'} eq "blob") {
1874                        print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
1875                }
1876                print "</td>\n" .
1877                      "</tr>";
1878        }
1879        if (defined $extra) {
1880                print "<tr>\n" .
1881                      "<td colspan=\"5\">$extra</td>\n" .
1882                      "</tr>\n";
1883        }
1884        print "</table>\n";
1885}
1886
1887sub git_heads_body {
1888        # uses global variable $project
1889        my ($taglist, $head, $from, $to, $extra) = @_;
1890        $from = 0 unless defined $from;
1891        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1892
1893        print "<table class=\"heads\" cellspacing=\"0\">\n";
1894        my $alternate = 0;
1895        for (my $i = $from; $i <= $to; $i++) {
1896                my $entry = $taglist->[$i];
1897                my %tag = %$entry;
1898                my $curr = $tag{'id'} eq $head;
1899                if ($alternate) {
1900                        print "<tr class=\"dark\">\n";
1901                } else {
1902                        print "<tr class=\"light\">\n";
1903                }
1904                $alternate ^= 1;
1905                print "<td><i>$tag{'age'}</i></td>\n" .
1906                      ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
1907                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'}),
1908                               -class => "list name"},esc_html($tag{'name'})) .
1909                      "</td>\n" .
1910                      "<td class=\"link\">" .
1911                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") . " | " .
1912                      $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log") .
1913                      "</td>\n" .
1914                      "</tr>";
1915        }
1916        if (defined $extra) {
1917                print "<tr>\n" .
1918                      "<td colspan=\"3\">$extra</td>\n" .
1919                      "</tr>\n";
1920        }
1921        print "</table>\n";
1922}
1923
1924## ----------------------------------------------------------------------
1925## functions printing large fragments, format as one of arguments
1926
1927sub git_diff_print {
1928        my $from = shift;
1929        my $from_name = shift;
1930        my $to = shift;
1931        my $to_name = shift;
1932        my $format = shift || "html";
1933
1934        my $from_tmp = "/dev/null";
1935        my $to_tmp = "/dev/null";
1936        my $pid = $$;
1937
1938        # create tmp from-file
1939        if (defined $from) {
1940                $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
1941                open my $fd2, "> $from_tmp";
1942                open my $fd, "-|", $GIT, "cat-file", "blob", $from;
1943                my @file = <$fd>;
1944                print $fd2 @file;
1945                close $fd2;
1946                close $fd;
1947        }
1948
1949        # create tmp to-file
1950        if (defined $to) {
1951                $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
1952                open my $fd2, "> $to_tmp";
1953                open my $fd, "-|", $GIT, "cat-file", "blob", $to;
1954                my @file = <$fd>;
1955                print $fd2 @file;
1956                close $fd2;
1957                close $fd;
1958        }
1959
1960        open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
1961        if ($format eq "plain") {
1962                undef $/;
1963                print <$fd>;
1964                $/ = "\n";
1965        } else {
1966                while (my $line = <$fd>) {
1967                        chomp $line;
1968                        my $char = substr($line, 0, 1);
1969                        my $diff_class = "";
1970                        if ($char eq '+') {
1971                                $diff_class = " add";
1972                        } elsif ($char eq "-") {
1973                                $diff_class = " rem";
1974                        } elsif ($char eq "@") {
1975                                $diff_class = " chunk_header";
1976                        } elsif ($char eq "\\") {
1977                                # skip errors
1978                                next;
1979                        }
1980                        $line = untabify($line);
1981                        print "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
1982                }
1983        }
1984        close $fd;
1985
1986        if (defined $from) {
1987                unlink($from_tmp);
1988        }
1989        if (defined $to) {
1990                unlink($to_tmp);
1991        }
1992}
1993
1994
1995## ======================================================================
1996## ======================================================================
1997## actions
1998
1999sub git_project_list {
2000        my $order = $cgi->param('o');
2001        if (defined $order && $order !~ m/project|descr|owner|age/) {
2002                die_error(undef, "Unknown order parameter");
2003        }
2004
2005        my @list = git_get_projects_list();
2006        my @projects;
2007        if (!@list) {
2008                die_error(undef, "No projects found");
2009        }
2010        foreach my $pr (@list) {
2011                my $head = git_get_head_hash($pr->{'path'});
2012                if (!defined $head) {
2013                        next;
2014                }
2015                $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
2016                my %co = parse_commit($head);
2017                if (!%co) {
2018                        next;
2019                }
2020                $pr->{'commit'} = \%co;
2021                if (!defined $pr->{'descr'}) {
2022                        my $descr = git_get_project_description($pr->{'path'}) || "";
2023                        $pr->{'descr'} = chop_str($descr, 25, 5);
2024                }
2025                if (!defined $pr->{'owner'}) {
2026                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
2027                }
2028                push @projects, $pr;
2029        }
2030
2031        git_header_html();
2032        if (-f $home_text) {
2033                print "<div class=\"index_include\">\n";
2034                open (my $fd, $home_text);
2035                print <$fd>;
2036                close $fd;
2037                print "</div>\n";
2038        }
2039        print "<table class=\"project_list\">\n" .
2040              "<tr>\n";
2041        $order ||= "project";
2042        if ($order eq "project") {
2043                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
2044                print "<th>Project</th>\n";
2045        } else {
2046                print "<th>" .
2047                      $cgi->a({-href => "$my_uri?" . esc_param("o=project"),
2048                               -class => "header"}, "Project") .
2049                      "</th>\n";
2050        }
2051        if ($order eq "descr") {
2052                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
2053                print "<th>Description</th>\n";
2054        } else {
2055                print "<th>" .
2056                      $cgi->a({-href => "$my_uri?" . esc_param("o=descr"),
2057                               -class => "header"}, "Description") .
2058                      "</th>\n";
2059        }
2060        if ($order eq "owner") {
2061                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
2062                print "<th>Owner</th>\n";
2063        } else {
2064                print "<th>" .
2065                      $cgi->a({-href => "$my_uri?" . esc_param("o=owner"),
2066                               -class => "header"}, "Owner") .
2067                      "</th>\n";
2068        }
2069        if ($order eq "age") {
2070                @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
2071                print "<th>Last Change</th>\n";
2072        } else {
2073                print "<th>" .
2074                      $cgi->a({-href => "$my_uri?" . esc_param("o=age"),
2075                               -class => "header"}, "Last Change") .
2076                      "</th>\n";
2077        }
2078        print "<th></th>\n" .
2079              "</tr>\n";
2080        my $alternate = 0;
2081        foreach my $pr (@projects) {
2082                if ($alternate) {
2083                        print "<tr class=\"dark\">\n";
2084                } else {
2085                        print "<tr class=\"light\">\n";
2086                }
2087                $alternate ^= 1;
2088                print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
2089                                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
2090                      "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
2091                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
2092                print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" .
2093                      $pr->{'commit'}{'age_string'} . "</td>\n" .
2094                      "<td class=\"link\">" .
2095                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
2096                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
2097                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") .
2098                      "</td>\n" .
2099                      "</tr>\n";
2100        }
2101        print "</table>\n";
2102        git_footer_html();
2103}
2104
2105sub git_summary {
2106        my $descr = git_get_project_description($project) || "none";
2107        my $head = git_get_head_hash($project);
2108        my %co = parse_commit($head);
2109        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2110
2111        my $owner = git_get_project_owner($project);
2112
2113        my $refs = git_get_references();
2114        git_header_html();
2115        git_print_page_nav('summary','', $head);
2116
2117        print "<div class=\"title\">&nbsp;</div>\n";
2118        print "<table cellspacing=\"0\">\n" .
2119              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
2120              "<tr><td>owner</td><td>$owner</td></tr>\n" .
2121              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n";
2122        # use per project git URL list in $projectroot/$project/cloneurl
2123        # or make project git URL from git base URL and project name
2124        my $url_tag = "URL";
2125        my @url_list = git_get_project_url_list($project);
2126        @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
2127        foreach my $git_url (@url_list) {
2128                next unless $git_url;
2129                print "<tr><td>$url_tag</td><td>$git_url</td></tr>\n";
2130                $url_tag = "";
2131        }
2132        print "</table>\n";
2133
2134        open my $fd, "-|", $GIT, "rev-list", "--max-count=17", git_get_head_hash($project)
2135                or die_error(undef, "Open git-rev-list failed");
2136        my @revlist = map { chomp; $_ } <$fd>;
2137        close $fd;
2138        git_print_header_div('shortlog');
2139        git_shortlog_body(\@revlist, 0, 15, $refs,
2140                          $cgi->a({-href => href(action=>"shortlog")}, "..."));
2141
2142        my $taglist = git_get_refs_list("refs/tags");
2143        if (defined @$taglist) {
2144                git_print_header_div('tags');
2145                git_tags_body($taglist, 0, 15,
2146                              $cgi->a({-href => href(action=>"tags")}, "..."));
2147        }
2148
2149        my $headlist = git_get_refs_list("refs/heads");
2150        if (defined @$headlist) {
2151                git_print_header_div('heads');
2152                git_heads_body($headlist, $head, 0, 15,
2153                               $cgi->a({-href => href(action=>"heads")}, "..."));
2154        }
2155
2156        git_footer_html();
2157}
2158
2159sub git_tag {
2160        my $head = git_get_head_hash($project);
2161        git_header_html();
2162        git_print_page_nav('','', $head,undef,$head);
2163        my %tag = parse_tag($hash);
2164        git_print_header_div('commit', esc_html($tag{'name'}), $hash);
2165        print "<div class=\"title_text\">\n" .
2166              "<table cellspacing=\"0\">\n" .
2167              "<tr>\n" .
2168              "<td>object</td>\n" .
2169              "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2170                               $tag{'object'}) . "</td>\n" .
2171              "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2172                                              $tag{'type'}) . "</td>\n" .
2173              "</tr>\n";
2174        if (defined($tag{'author'})) {
2175                my %ad = parse_date($tag{'epoch'}, $tag{'tz'});
2176                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
2177                print "<tr><td></td><td>" . $ad{'rfc2822'} .
2178                        sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) .
2179                        "</td></tr>\n";
2180        }
2181        print "</table>\n\n" .
2182              "</div>\n";
2183        print "<div class=\"page_body\">";
2184        my $comment = $tag{'comment'};
2185        foreach my $line (@$comment) {
2186                print esc_html($line) . "<br/>\n";
2187        }
2188        print "</div>\n";
2189        git_footer_html();
2190}
2191
2192sub git_blame2 {
2193        my $fd;
2194        my $ftype;
2195
2196        if (!gitweb_check_feature('blame')) {
2197                die_error('403 Permission denied', "Permission denied");
2198        }
2199        die_error('404 Not Found', "File name not defined") if (!$file_name);
2200        $hash_base ||= git_get_head_hash($project);
2201        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2202        my %co = parse_commit($hash_base)
2203                or die_error(undef, "Reading commit failed");
2204        if (!defined $hash) {
2205                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2206                        or die_error(undef, "Error looking up file");
2207        }
2208        $ftype = git_get_type($hash);
2209        if ($ftype !~ "blob") {
2210                die_error("400 Bad Request", "Object is not a blob");
2211        }
2212        open ($fd, "-|", $GIT, "blame", '-l', $file_name, $hash_base)
2213                or die_error(undef, "Open git-blame failed");
2214        git_header_html();
2215        my $formats_nav =
2216                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2217                        "blob") .
2218                " | " .
2219                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2220                        "head");
2221        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2222        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2223        git_print_page_path($file_name, $ftype, $hash_base);
2224        my @rev_color = (qw(light2 dark2));
2225        my $num_colors = scalar(@rev_color);
2226        my $current_color = 0;
2227        my $last_rev;
2228        print <<HTML;
2229<div class="page_body">
2230<table class="blame">
2231<tr><th>Commit</th><th>Line</th><th>Data</th></tr>
2232HTML
2233        while (<$fd>) {
2234                /^([0-9a-fA-F]{40}).*?(\d+)\)\s{1}(\s*.*)/;
2235                my $full_rev = $1;
2236                my $rev = substr($full_rev, 0, 8);
2237                my $lineno = $2;
2238                my $data = $3;
2239
2240                if (!defined $last_rev) {
2241                        $last_rev = $full_rev;
2242                } elsif ($last_rev ne $full_rev) {
2243                        $last_rev = $full_rev;
2244                        $current_color = ++$current_color % $num_colors;
2245                }
2246                print "<tr class=\"$rev_color[$current_color]\">\n";
2247                print "<td class=\"sha1\">" .
2248                        $cgi->a({-href => href(action=>"commit", hash=>$full_rev, file_name=>$file_name)},
2249                                esc_html($rev)) . "</td>\n";
2250                print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" .
2251                      esc_html($lineno) . "</a></td>\n";
2252                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
2253                print "</tr>\n";
2254        }
2255        print "</table>\n";
2256        print "</div>";
2257        close $fd
2258                or print "Reading blob failed\n";
2259        git_footer_html();
2260}
2261
2262sub git_blame {
2263        my $fd;
2264
2265        if (!gitweb_check_feature('blame')) {
2266                die_error('403 Permission denied', "Permission denied");
2267        }
2268        die_error('404 Not Found', "File name not defined") if (!$file_name);
2269        $hash_base ||= git_get_head_hash($project);
2270        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2271        my %co = parse_commit($hash_base)
2272                or die_error(undef, "Reading commit failed");
2273        if (!defined $hash) {
2274                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2275                        or die_error(undef, "Error lookup file");
2276        }
2277        open ($fd, "-|", $GIT, "annotate", '-l', '-t', '-r', $file_name, $hash_base)
2278                or die_error(undef, "Open git-annotate failed");
2279        git_header_html();
2280        my $formats_nav =
2281                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2282                        "blob") .
2283                " | " .
2284                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2285                        "head");
2286        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2287        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2288        git_print_page_path($file_name, 'blob', $hash_base);
2289        print "<div class=\"page_body\">\n";
2290        print <<HTML;
2291<table class="blame">
2292  <tr>
2293    <th>Commit</th>
2294    <th>Age</th>
2295    <th>Author</th>
2296    <th>Line</th>
2297    <th>Data</th>
2298  </tr>
2299HTML
2300        my @line_class = (qw(light dark));
2301        my $line_class_len = scalar (@line_class);
2302        my $line_class_num = $#line_class;
2303        while (my $line = <$fd>) {
2304                my $long_rev;
2305                my $short_rev;
2306                my $author;
2307                my $time;
2308                my $lineno;
2309                my $data;
2310                my $age;
2311                my $age_str;
2312                my $age_class;
2313
2314                chomp $line;
2315                $line_class_num = ($line_class_num + 1) % $line_class_len;
2316
2317                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
2318                        $long_rev = $1;
2319                        $author   = $2;
2320                        $time     = $3;
2321                        $lineno   = $4;
2322                        $data     = $5;
2323                } else {
2324                        print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
2325                        next;
2326                }
2327                $short_rev  = substr ($long_rev, 0, 8);
2328                $age        = time () - $time;
2329                $age_str    = age_string ($age);
2330                $age_str    =~ s/ /&nbsp;/g;
2331                $age_class  = age_class($age);
2332                $author     = esc_html ($author);
2333                $author     =~ s/ /&nbsp;/g;
2334
2335                $data = untabify($data);
2336                $data = esc_html ($data);
2337
2338                print <<HTML;
2339  <tr class="$line_class[$line_class_num]">
2340    <td class="sha1"><a href="${\href (action=>"commit", hash=>$long_rev)}" class="text">$short_rev..</a></td>
2341    <td class="$age_class">$age_str</td>
2342    <td>$author</td>
2343    <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
2344    <td class="pre">$data</td>
2345  </tr>
2346HTML
2347        } # while (my $line = <$fd>)
2348        print "</table>\n\n";
2349        close $fd
2350                or print "Reading blob failed.\n";
2351        print "</div>";
2352        git_footer_html();
2353}
2354
2355sub git_tags {
2356        my $head = git_get_head_hash($project);
2357        git_header_html();
2358        git_print_page_nav('','', $head,undef,$head);
2359        git_print_header_div('summary', $project);
2360
2361        my $taglist = git_get_refs_list("refs/tags");
2362        if (defined @$taglist) {
2363                git_tags_body($taglist);
2364        }
2365        git_footer_html();
2366}
2367
2368sub git_heads {
2369        my $head = git_get_head_hash($project);
2370        git_header_html();
2371        git_print_page_nav('','', $head,undef,$head);
2372        git_print_header_div('summary', $project);
2373
2374        my $taglist = git_get_refs_list("refs/heads");
2375        if (defined @$taglist) {
2376                git_heads_body($taglist, $head);
2377        }
2378        git_footer_html();
2379}
2380
2381sub git_blob_plain {
2382        if (!defined $hash) {
2383                if (defined $file_name) {
2384                        my $base = $hash_base || git_get_head_hash($project);
2385                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2386                                or die_error(undef, "Error lookup file");
2387                } else {
2388                        die_error(undef, "No file name defined");
2389                }
2390        }
2391        my $type = shift;
2392        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
2393                or die_error(undef, "Couldn't cat $file_name, $hash");
2394
2395        $type ||= blob_mimetype($fd, $file_name);
2396
2397        # save as filename, even when no $file_name is given
2398        my $save_as = "$hash";
2399        if (defined $file_name) {
2400                $save_as = $file_name;
2401        } elsif ($type =~ m/^text\//) {
2402                $save_as .= '.txt';
2403        }
2404
2405        print $cgi->header(-type => "$type",
2406                           -content_disposition => "inline; filename=\"$save_as\"");
2407        undef $/;
2408        binmode STDOUT, ':raw';
2409        print <$fd>;
2410        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2411        $/ = "\n";
2412        close $fd;
2413}
2414
2415sub git_blob {
2416        if (!defined $hash) {
2417                if (defined $file_name) {
2418                        my $base = $hash_base || git_get_head_hash($project);
2419                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2420                                or die_error(undef, "Error lookup file");
2421                } else {
2422                        die_error(undef, "No file name defined");
2423                }
2424        }
2425        my $have_blame = gitweb_check_feature('blame');
2426        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
2427                or die_error(undef, "Couldn't cat $file_name, $hash");
2428        my $mimetype = blob_mimetype($fd, $file_name);
2429        if ($mimetype !~ m/^text\//) {
2430                close $fd;
2431                return git_blob_plain($mimetype);
2432        }
2433        git_header_html();
2434        my $formats_nav = '';
2435        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2436                if (defined $file_name) {
2437                        if ($have_blame) {
2438                                $formats_nav .=
2439                                        $cgi->a({-href => href(action=>"blame", hash_base=>$hash_base,
2440                                                               hash=>$hash, file_name=>$file_name)},
2441                                                "blame") .
2442                                        " | ";
2443                        }
2444                        $formats_nav .=
2445                                $cgi->a({-href => href(action=>"blob_plain",
2446                                                       hash=>$hash, file_name=>$file_name)},
2447                                        "plain") .
2448                                " | " .
2449                                $cgi->a({-href => href(action=>"blob",
2450                                                       hash_base=>"HEAD", file_name=>$file_name)},
2451                                        "head");
2452                } else {
2453                        $formats_nav .=
2454                                $cgi->a({-href => href(action=>"blob_plain", hash=>$hash)}, "plain");
2455                }
2456                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2457                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2458        } else {
2459                print "<div class=\"page_nav\">\n" .
2460                      "<br/><br/></div>\n" .
2461                      "<div class=\"title\">$hash</div>\n";
2462        }
2463        git_print_page_path($file_name, "blob", $hash_base);
2464        print "<div class=\"page_body\">\n";
2465        my $nr;
2466        while (my $line = <$fd>) {
2467                chomp $line;
2468                $nr++;
2469                $line = untabify($line);
2470                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
2471                       $nr, $nr, $nr, esc_html($line);
2472        }
2473        close $fd
2474                or print "Reading blob failed.\n";
2475        print "</div>";
2476        git_footer_html();
2477}
2478
2479sub git_tree {
2480        if (!defined $hash) {
2481                $hash = git_get_head_hash($project);
2482                if (defined $file_name) {
2483                        my $base = $hash_base || $hash;
2484                        $hash = git_get_hash_by_path($base, $file_name, "tree");
2485                }
2486                if (!defined $hash_base) {
2487                        $hash_base = $hash;
2488                }
2489        }
2490        $/ = "\0";
2491        open my $fd, "-|", $GIT, "ls-tree", '-z', $hash
2492                or die_error(undef, "Open git-ls-tree failed");
2493        my @entries = map { chomp; $_ } <$fd>;
2494        close $fd or die_error(undef, "Reading tree failed");
2495        $/ = "\n";
2496
2497        my $refs = git_get_references();
2498        my $ref = format_ref_marker($refs, $hash_base);
2499        git_header_html();
2500        my %base_key = ();
2501        my $base = "";
2502        my $have_blame = gitweb_check_feature('blame');
2503        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2504                $base_key{hash_base} = $hash_base;
2505                git_print_page_nav('tree','', $hash_base);
2506                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
2507        } else {
2508                print "<div class=\"page_nav\">\n";
2509                print "<br/><br/></div>\n";
2510                print "<div class=\"title\">$hash</div>\n";
2511        }
2512        if (defined $file_name) {
2513                $base = esc_html("$file_name/");
2514        }
2515        git_print_page_path($file_name, 'tree', $hash_base);
2516        print "<div class=\"page_body\">\n";
2517        print "<table cellspacing=\"0\">\n";
2518        my $alternate = 0;
2519        foreach my $line (@entries) {
2520                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
2521                $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
2522                my $t_mode = $1;
2523                my $t_type = $2;
2524                my $t_hash = $3;
2525                my $t_name = validate_input($4);
2526                if ($alternate) {
2527                        print "<tr class=\"dark\">\n";
2528                } else {
2529                        print "<tr class=\"light\">\n";
2530                }
2531                $alternate ^= 1;
2532                print "<td class=\"mode\">" . mode_str($t_mode) . "</td>\n";
2533                if ($t_type eq "blob") {
2534                        print "<td class=\"list\">" .
2535                              $cgi->a({-href => href(action=>"blob", hash=>$t_hash, file_name=>"$base$t_name", %base_key),
2536                                      -class => "list"}, esc_html($t_name)) .
2537                              "</td>\n" .
2538                              "<td class=\"link\">" .
2539                              $cgi->a({-href => href(action=>"blob", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2540                                      "blob");
2541                        if ($have_blame) {
2542                                print " | " .
2543                                        $cgi->a({-href => href(action=>"blame", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2544                                                "blame");
2545                        }
2546                        print " | " .
2547                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2548                                                     hash=>$t_hash, file_name=>"$base$t_name")},
2549                                      "history") .
2550                              " | " .
2551                              $cgi->a({-href => href(action=>"blob_plain",
2552                                                     hash=>$t_hash, file_name=>"$base$t_name")},
2553                                      "raw") .
2554                              "</td>\n";
2555                } elsif ($t_type eq "tree") {
2556                        print "<td class=\"list\">" .
2557                              $cgi->a({-href => href(action=>"tree", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2558                                      esc_html($t_name)) .
2559                              "</td>\n" .
2560                              "<td class=\"link\">" .
2561                              $cgi->a({-href => href(action=>"tree", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2562                                      "tree") .
2563                              " | " .
2564                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base, file_name=>"$base$t_name")},
2565                                      "history") .
2566                              "</td>\n";
2567                }
2568                print "</tr>\n";
2569        }
2570        print "</table>\n" .
2571              "</div>";
2572        git_footer_html();
2573}
2574
2575sub git_snapshot {
2576
2577        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2578        my $have_snapshot = (defined $ctype && defined $suffix);
2579        if (!$have_snapshot) {
2580                die_error('403 Permission denied', "Permission denied");
2581        }
2582
2583        if (!defined $hash) {
2584                $hash = git_get_head_hash($project);
2585        }
2586
2587        my $filename = basename($project) . "-$hash.tar.$suffix";
2588
2589        print $cgi->header(-type => 'application/x-tar',
2590                           -content_encoding => $ctype,
2591                           -content_disposition => "inline; filename=\"$filename\"",
2592                           -status => '200 OK');
2593
2594        open my $fd, "-|", "$GIT tar-tree $hash \'$project\' | $command" or
2595                die_error(undef, "Execute git-tar-tree failed.");
2596        binmode STDOUT, ':raw';
2597        print <$fd>;
2598        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2599        close $fd;
2600
2601}
2602
2603sub git_log {
2604        my $head = git_get_head_hash($project);
2605        if (!defined $hash) {
2606                $hash = $head;
2607        }
2608        if (!defined $page) {
2609                $page = 0;
2610        }
2611        my $refs = git_get_references();
2612
2613        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2614        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
2615                or die_error(undef, "Open git-rev-list failed");
2616        my @revlist = map { chomp; $_ } <$fd>;
2617        close $fd;
2618
2619        my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#revlist);
2620
2621        git_header_html();
2622        git_print_page_nav('log','', $hash,undef,undef, $paging_nav);
2623
2624        if (!@revlist) {
2625                my %co = parse_commit($hash);
2626
2627                git_print_header_div('summary', $project);
2628                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
2629        }
2630        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2631                my $commit = $revlist[$i];
2632                my $ref = format_ref_marker($refs, $commit);
2633                my %co = parse_commit($commit);
2634                next if !%co;
2635                my %ad = parse_date($co{'author_epoch'});
2636                git_print_header_div('commit',
2637                               "<span class=\"age\">$co{'age_string'}</span>" .
2638                               esc_html($co{'title'}) . $ref,
2639                               $commit);
2640                print "<div class=\"title_text\">\n" .
2641                      "<div class=\"log_link\">\n" .
2642                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
2643                      " | " .
2644                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
2645                      "<br/>\n" .
2646                      "</div>\n" .
2647                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
2648                      "</div>\n";
2649
2650                print "<div class=\"log_body\">\n";
2651                git_print_simplified_log($co{'comment'});
2652                print "</div>\n";
2653        }
2654        git_footer_html();
2655}
2656
2657sub git_commit {
2658        my %co = parse_commit($hash);
2659        if (!%co) {
2660                die_error(undef, "Unknown commit object");
2661        }
2662        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2663        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2664
2665        my $parent = $co{'parent'};
2666        if (!defined $parent) {
2667                $parent = "--root";
2668        }
2669        open my $fd, "-|", $GIT, "diff-tree", '-r', '-M', $parent, $hash
2670                or die_error(undef, "Open git-diff-tree failed");
2671        my @difftree = map { chomp; $_ } <$fd>;
2672        close $fd or die_error(undef, "Reading git-diff-tree failed");
2673
2674        # non-textual hash id's can be cached
2675        my $expires;
2676        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2677                $expires = "+1d";
2678        }
2679        my $refs = git_get_references();
2680        my $ref = format_ref_marker($refs, $co{'id'});
2681
2682        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2683        my $have_snapshot = (defined $ctype && defined $suffix);
2684
2685        my $formats_nav = '';
2686        if (defined $file_name && defined $co{'parent'}) {
2687                my $parent = $co{'parent'};
2688                $formats_nav .=
2689                        $cgi->a({-href => href(action=>"blame", hash_parent=>$parent, file_name=>$file_name)},
2690                                "blame");
2691        }
2692        git_header_html(undef, $expires);
2693        git_print_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
2694                           $hash, $co{'tree'}, $hash,
2695                           $formats_nav);
2696
2697        if (defined $co{'parent'}) {
2698                git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
2699        } else {
2700                git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
2701        }
2702        print "<div class=\"title_text\">\n" .
2703              "<table cellspacing=\"0\">\n";
2704        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
2705              "<tr>" .
2706              "<td></td><td> $ad{'rfc2822'}";
2707        if ($ad{'hour_local'} < 6) {
2708                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
2709                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2710        } else {
2711                printf(" (%02d:%02d %s)",
2712                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2713        }
2714        print "</td>" .
2715              "</tr>\n";
2716        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
2717        print "<tr><td></td><td> $cd{'rfc2822'}" .
2718              sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) .
2719              "</td></tr>\n";
2720        print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
2721        print "<tr>" .
2722              "<td>tree</td>" .
2723              "<td class=\"sha1\">" .
2724              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
2725                       class => "list"}, $co{'tree'}) .
2726              "</td>" .
2727              "<td class=\"link\">" .
2728              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
2729                      "tree");
2730        if ($have_snapshot) {
2731                print " | " .
2732                      $cgi->a({-href => href(action=>"snapshot", hash=>$hash)}, "snapshot");
2733        }
2734        print "</td>" .
2735              "</tr>\n";
2736        my $parents = $co{'parents'};
2737        foreach my $par (@$parents) {
2738                print "<tr>" .
2739                      "<td>parent</td>" .
2740                      "<td class=\"sha1\">" .
2741                      $cgi->a({-href => href(action=>"commit", hash=>$par),
2742                               class => "list"}, $par) .
2743                      "</td>" .
2744                      "<td class=\"link\">" .
2745                      $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
2746                      " | " .
2747                      $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "commitdiff") .
2748                      "</td>" .
2749                      "</tr>\n";
2750        }
2751        print "</table>".
2752              "</div>\n";
2753
2754        print "<div class=\"page_body\">\n";
2755        git_print_log($co{'comment'});
2756        print "</div>\n";
2757
2758        git_difftree_body(\@difftree, $hash, $parent);
2759
2760        git_footer_html();
2761}
2762
2763sub git_blobdiff {
2764        mkdir($git_temp, 0700);
2765        git_header_html();
2766        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2767                my $formats_nav =
2768                        $cgi->a({-href => href(action=>"blobdiff_plain",
2769                                               hash=>$hash, hash_parent=>$hash_parent,
2770                                               hash_base=>$hash_base, hash_parent_base=>$hash_parent_base,
2771                                               file_name=>$file_name, file_parent=>$file_parent)},
2772                                "plain");
2773                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2774                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2775        } else {
2776                print <<HTML;
2777<div class="page_nav"><br/><br/></div>
2778<div class="title">$hash vs $hash_parent</div>
2779HTML
2780        }
2781        git_print_page_path($file_name, "blob", $hash_base);
2782        print "<div class=\"page_body\">\n" .
2783              "<div class=\"diff_info\">blob:" .
2784              $cgi->a({-href => href(action=>"blob", hash=>$hash_parent,
2785                                     hash_base=>$hash_parent_base, file_name=>($file_parent || $file_name))},
2786                      $hash_parent) .
2787              " -> blob:" .
2788              $cgi->a({-href => href(action=>"blob", hash=>$hash,
2789                                     hash_base=>$hash_base, file_name=>$file_name)},
2790                      $hash) .
2791              "</div>\n";
2792        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2793        print "</div>"; # page_body
2794        git_footer_html();
2795}
2796
2797sub git_blobdiff_plain {
2798        mkdir($git_temp, 0700);
2799        print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2800        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2801}
2802
2803sub git_commitdiff {
2804        my $format = shift || 'html';
2805        my %co = parse_commit($hash);
2806        if (!%co) {
2807                die_error(undef, "Unknown commit object");
2808        }
2809        if (!defined $hash_parent) {
2810                $hash_parent = $co{'parent'} || '--root';
2811        }
2812
2813        # read commitdiff
2814        my $fd;
2815        my @difftree;
2816        if ($format eq 'html') {
2817                open $fd, "-|", $GIT, "diff-tree", '-r', '-M', '-C',
2818                        "--patch-with-raw", "--full-index", $hash_parent, $hash
2819                        or die_error(undef, "Open git-diff-tree failed");
2820
2821                while (chomp(my $line = <$fd>)) {
2822                        # empty line ends raw part of diff-tree output
2823                        last unless $line;
2824                        push @difftree, $line;
2825                }
2826
2827        } elsif ($format eq 'plain') {
2828                open $fd, "-|", $GIT, "diff-tree", '-r', '-p', '-B', $hash_parent, $hash
2829                        or die_error(undef, "Open git-diff-tree failed");
2830
2831        } else {
2832                die_error(undef, "Unknown commitdiff format");
2833        }
2834
2835        # non-textual hash id's can be cached
2836        my $expires;
2837        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2838                $expires = "+1d";
2839        }
2840
2841        # write commit message
2842        if ($format eq 'html') {
2843                my $refs = git_get_references();
2844                my $ref = format_ref_marker($refs, $co{'id'});
2845                my $formats_nav =
2846                        $cgi->a({-href => href(action=>"commitdiff_plain",
2847                                               hash=>$hash, hash_parent=>$hash_parent)},
2848                                "plain");
2849
2850                git_header_html(undef, $expires);
2851                git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
2852                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
2853                print "<div class=\"page_body\">\n";
2854                print "<div class=\"log\">\n";
2855                git_print_simplified_log($co{'comment'}, 1); # skip title
2856                print "</div>\n"; # class="log"
2857
2858        } elsif ($format eq 'plain') {
2859                my $refs = git_get_references("tags");
2860                my $tagname = git_get_rev_name_tags($hash);
2861                my $filename = basename($project) . "-$hash.patch";
2862
2863                print $cgi->header(
2864                        -type => 'text/plain',
2865                        -charset => 'utf-8',
2866                        -expires => $expires,
2867                        -content_disposition => qq(inline; filename="$filename"));
2868                my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2869                print <<TEXT;
2870From: $co{'author'}
2871Date: $ad{'rfc2822'} ($ad{'tz_local'})
2872Subject: $co{'title'}
2873TEXT
2874                print "X-Git-Tag: $tagname\n" if $tagname;
2875                print "X-Git-Url: " . $cgi->self_url() . "\n\n";
2876
2877                foreach my $line (@{$co{'comment'}}) {
2878                        print "$line\n";
2879                }
2880                print "---\n\n";
2881        }
2882
2883        # write patch
2884        if ($format eq 'html') {
2885                #git_difftree_body(\@difftree, $hash, $hash_parent);
2886                #print "<br/>\n";
2887
2888                git_patchset_body($fd, \@difftree, $hash, $hash_parent);
2889                close $fd;
2890                print "</div>\n"; # class="page_body"
2891                git_footer_html();
2892
2893        } elsif ($format eq 'plain') {
2894                local $/ = undef;
2895                print <$fd>;
2896                close $fd
2897                        or print "Reading git-diff-tree failed\n";
2898        }
2899}
2900
2901sub git_commitdiff_plain {
2902        git_commitdiff('plain');
2903}
2904
2905sub git_history {
2906        if (!defined $hash_base) {
2907                $hash_base = git_get_head_hash($project);
2908        }
2909        my $ftype;
2910        my %co = parse_commit($hash_base);
2911        if (!%co) {
2912                die_error(undef, "Unknown commit object");
2913        }
2914        my $refs = git_get_references();
2915        git_header_html();
2916        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base);
2917        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2918        if (!defined $hash && defined $file_name) {
2919                $hash = git_get_hash_by_path($hash_base, $file_name);
2920        }
2921        if (defined $hash) {
2922                $ftype = git_get_type($hash);
2923        }
2924        git_print_page_path($file_name, $ftype, $hash_base);
2925
2926        open my $fd, "-|",
2927                $GIT, "rev-list", "--full-history", $hash_base, "--", $file_name;
2928        git_history_body($fd, $refs, $hash_base, $ftype);
2929
2930        close $fd;
2931        git_footer_html();
2932}
2933
2934sub git_search {
2935        if (!defined $searchtext) {
2936                die_error(undef, "Text field empty");
2937        }
2938        if (!defined $hash) {
2939                $hash = git_get_head_hash($project);
2940        }
2941        my %co = parse_commit($hash);
2942        if (!%co) {
2943                die_error(undef, "Unknown commit object");
2944        }
2945        # pickaxe may take all resources of your box and run for several minutes
2946        # with every query - so decide by yourself how public you make this feature :)
2947        my $commit_search = 1;
2948        my $author_search = 0;
2949        my $committer_search = 0;
2950        my $pickaxe_search = 0;
2951        if ($searchtext =~ s/^author\\://i) {
2952                $author_search = 1;
2953        } elsif ($searchtext =~ s/^committer\\://i) {
2954                $committer_search = 1;
2955        } elsif ($searchtext =~ s/^pickaxe\\://i) {
2956                $commit_search = 0;
2957                $pickaxe_search = 1;
2958        }
2959        git_header_html();
2960        git_print_page_nav('','', $hash,$co{'tree'},$hash);
2961        git_print_header_div('commit', esc_html($co{'title'}), $hash);
2962
2963        print "<table cellspacing=\"0\">\n";
2964        my $alternate = 0;
2965        if ($commit_search) {
2966                $/ = "\0";
2967                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", $hash or next;
2968                while (my $commit_text = <$fd>) {
2969                        if (!grep m/$searchtext/i, $commit_text) {
2970                                next;
2971                        }
2972                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2973                                next;
2974                        }
2975                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2976                                next;
2977                        }
2978                        my @commit_lines = split "\n", $commit_text;
2979                        my %co = parse_commit(undef, \@commit_lines);
2980                        if (!%co) {
2981                                next;
2982                        }
2983                        if ($alternate) {
2984                                print "<tr class=\"dark\">\n";
2985                        } else {
2986                                print "<tr class=\"light\">\n";
2987                        }
2988                        $alternate ^= 1;
2989                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2990                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2991                              "<td>" .
2992                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), -class => "list subject"},
2993                                       esc_html(chop_str($co{'title'}, 50)) . "<br/>");
2994                        my $comment = $co{'comment'};
2995                        foreach my $line (@$comment) {
2996                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2997                                        my $lead = esc_html($1) || "";
2998                                        $lead = chop_str($lead, 30, 10);
2999                                        my $match = esc_html($2) || "";
3000                                        my $trail = esc_html($3) || "";
3001                                        $trail = chop_str($trail, 30, 10);
3002                                        my $text = "$lead<span class=\"match\">$match</span>$trail";
3003                                        print chop_str($text, 80, 5) . "<br/>\n";
3004                                }
3005                        }
3006                        print "</td>\n" .
3007                              "<td class=\"link\">" .
3008                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3009                              " | " .
3010                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3011                        print "</td>\n" .
3012                              "</tr>\n";
3013                }
3014                close $fd;
3015        }
3016
3017        if ($pickaxe_search) {
3018                $/ = "\n";
3019                open my $fd, "-|", "$GIT rev-list $hash | $GIT diff-tree -r --stdin -S\'$searchtext\'";
3020                undef %co;
3021                my @files;
3022                while (my $line = <$fd>) {
3023                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
3024                                my %set;
3025                                $set{'file'} = $6;
3026                                $set{'from_id'} = $3;
3027                                $set{'to_id'} = $4;
3028                                $set{'id'} = $set{'to_id'};
3029                                if ($set{'id'} =~ m/0{40}/) {
3030                                        $set{'id'} = $set{'from_id'};
3031                                }
3032                                if ($set{'id'} =~ m/0{40}/) {
3033                                        next;
3034                                }
3035                                push @files, \%set;
3036                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
3037                                if (%co) {
3038                                        if ($alternate) {
3039                                                print "<tr class=\"dark\">\n";
3040                                        } else {
3041                                                print "<tr class=\"light\">\n";
3042                                        }
3043                                        $alternate ^= 1;
3044                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3045                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3046                                              "<td>" .
3047                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
3048                                                      -class => "list subject"},
3049                                                      esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3050                                        while (my $setref = shift @files) {
3051                                                my %set = %$setref;
3052                                                print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
3053                                                                             hash=>$set{'id'}, file_name=>$set{'file'}),
3054                                                              -class => "list"},
3055                                                              "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
3056                                                      "<br/>\n";
3057                                        }
3058                                        print "</td>\n" .
3059                                              "<td class=\"link\">" .
3060                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3061                                              " | " .
3062                                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3063                                        print "</td>\n" .
3064                                              "</tr>\n";
3065                                }
3066                                %co = parse_commit($1);
3067                        }
3068                }
3069                close $fd;
3070        }
3071        print "</table>\n";
3072        git_footer_html();
3073}
3074
3075sub git_shortlog {
3076        my $head = git_get_head_hash($project);
3077        if (!defined $hash) {
3078                $hash = $head;
3079        }
3080        if (!defined $page) {
3081                $page = 0;
3082        }
3083        my $refs = git_get_references();
3084
3085        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3086        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
3087                or die_error(undef, "Open git-rev-list failed");
3088        my @revlist = map { chomp; $_ } <$fd>;
3089        close $fd;
3090
3091        my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#revlist);
3092        my $next_link = '';
3093        if ($#revlist >= (100 * ($page+1)-1)) {
3094                $next_link =
3095                        $cgi->a({-href => href(action=>"shortlog", hash=>$hash, page=>$page+1),
3096                                 -title => "Alt-n"}, "next");
3097        }
3098
3099
3100        git_header_html();
3101        git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
3102        git_print_header_div('summary', $project);
3103
3104        git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
3105
3106        git_footer_html();
3107}
3108
3109## ......................................................................
3110## feeds (RSS, OPML)
3111
3112sub git_rss {
3113        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
3114        open my $fd, "-|", $GIT, "rev-list", "--max-count=150", git_get_head_hash($project)
3115                or die_error(undef, "Open git-rev-list failed");
3116        my @revlist = map { chomp; $_ } <$fd>;
3117        close $fd or die_error(undef, "Reading git-rev-list failed");
3118        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3119        print <<XML;
3120<?xml version="1.0" encoding="utf-8"?>
3121<rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
3122<channel>
3123<title>$project $my_uri $my_url</title>
3124<link>${\esc_html("$my_url?p=$project;a=summary")}</link>
3125<description>$project log</description>
3126<language>en</language>
3127XML
3128
3129        for (my $i = 0; $i <= $#revlist; $i++) {
3130                my $commit = $revlist[$i];
3131                my %co = parse_commit($commit);
3132                # we read 150, we always show 30 and the ones more recent than 48 hours
3133                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
3134                        last;
3135                }
3136                my %cd = parse_date($co{'committer_epoch'});
3137                open $fd, "-|", $GIT, "diff-tree", '-r', $co{'parent'}, $co{'id'} or next;
3138                my @difftree = map { chomp; $_ } <$fd>;
3139                close $fd or next;
3140                print "<item>\n" .
3141                      "<title>" .
3142                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
3143                      "</title>\n" .
3144                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
3145                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
3146                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
3147                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
3148                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
3149                      "<content:encoded>" .
3150                      "<![CDATA[\n";
3151                my $comment = $co{'comment'};
3152                foreach my $line (@$comment) {
3153                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
3154                        print "$line<br/>\n";
3155                }
3156                print "<br/>\n";
3157                foreach my $line (@difftree) {
3158                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
3159                                next;
3160                        }
3161                        my $file = validate_input(unquote($7));
3162                        $file = decode("utf8", $file, Encode::FB_DEFAULT);
3163                        print "$file<br/>\n";
3164                }
3165                print "]]>\n" .
3166                      "</content:encoded>\n" .
3167                      "</item>\n";
3168        }
3169        print "</channel></rss>";
3170}
3171
3172sub git_opml {
3173        my @list = git_get_projects_list();
3174
3175        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3176        print <<XML;
3177<?xml version="1.0" encoding="utf-8"?>
3178<opml version="1.0">
3179<head>
3180  <title>$site_name Git OPML Export</title>
3181</head>
3182<body>
3183<outline text="git RSS feeds">
3184XML
3185
3186        foreach my $pr (@list) {
3187                my %proj = %$pr;
3188                my $head = git_get_head_hash($proj{'path'});
3189                if (!defined $head) {
3190                        next;
3191                }
3192                $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
3193                my %co = parse_commit($head);
3194                if (!%co) {
3195                        next;
3196                }
3197
3198                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
3199                my $rss  = "$my_url?p=$proj{'path'};a=rss";
3200                my $html = "$my_url?p=$proj{'path'};a=summary";
3201                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
3202        }
3203        print <<XML;
3204</outline>
3205</body>
3206</opml>
3207XML
3208}