Andrew's git / gitweb.git / gitweb/gitweb.perl
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gitweb / gitweb.perlon commit gitweb: Faster return from git_get_preceding_references if possible (3066c35)
   1#!/usr/bin/perl
   2
   3# gitweb - simple web interface to track changes in git repositories
   4#
   5# (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
   6# (C) 2005, Christian Gierke
   7#
   8# This program is licensed under the GPLv2
   9
  10use strict;
  11use warnings;
  12use CGI qw(:standard :escapeHTML -nosticky);
  13use CGI::Util qw(unescape);
  14use CGI::Carp qw(fatalsToBrowser);
  15use Encode;
  16use Fcntl ':mode';
  17use File::Find qw();
  18use File::Basename qw(basename);
  19binmode STDOUT, ':utf8';
  20
  21our $cgi = new CGI;
  22our $version = "++GIT_VERSION++";
  23our $my_url = $cgi->url();
  24our $my_uri = $cgi->url(-absolute => 1);
  25
  26# core git executable to use
  27# this can just be "git" if your webserver has a sensible PATH
  28our $GIT = "++GIT_BINDIR++/git";
  29
  30# absolute fs-path which will be prepended to the project path
  31#our $projectroot = "/pub/scm";
  32our $projectroot = "++GITWEB_PROJECTROOT++";
  33
  34# location for temporary files needed for diffs
  35our $git_temp = "/tmp/gitweb";
  36
  37# target of the home link on top of all pages
  38our $home_link = $my_uri || "/";
  39
  40# string of the home link on top of all pages
  41our $home_link_str = "++GITWEB_HOME_LINK_STR++";
  42
  43# name of your site or organization to appear in page titles
  44# replace this with something more descriptive for clearer bookmarks
  45our $site_name = "++GITWEB_SITENAME++" || $ENV{'SERVER_NAME'} || "Untitled";
  46
  47# html text to include at home page
  48our $home_text = "++GITWEB_HOMETEXT++";
  49
  50# URI of default stylesheet
  51our $stylesheet = "++GITWEB_CSS++";
  52# URI of GIT logo
  53our $logo = "++GITWEB_LOGO++";
  54
  55# source of projects list
  56our $projects_list = "++GITWEB_LIST++";
  57
  58# list of git base URLs used for URL to where fetch project from,
  59# i.e. full URL is "$git_base_url/$project"
  60our @git_base_url_list = ("++GITWEB_BASE_URL++");
  61
  62# default blob_plain mimetype and default charset for text/plain blob
  63our $default_blob_plain_mimetype = 'text/plain';
  64our $default_text_plain_charset  = undef;
  65
  66# file to use for guessing MIME types before trying /etc/mime.types
  67# (relative to the current git repository)
  68our $mimetypes_file = undef;
  69
  70# You define site-wide feature defaults here; override them with
  71# $GITWEB_CONFIG as necessary.
  72our %feature = (
  73        # feature => {'sub' => feature-sub, 'override' => allow-override, 'default' => [ default options...]
  74        # if feature is overridable, feature-sub will be called with default options;
  75        # return value indicates if to enable specified feature
  76
  77        'blame' => {
  78                'sub' => \&feature_blame,
  79                'override' => 0,
  80                'default' => [0]},
  81
  82        'snapshot' => {
  83                'sub' => \&feature_snapshot,
  84                'override' => 0,
  85                #         => [content-encoding, suffix, program]
  86                'default' => ['x-gzip', 'gz', 'gzip']},
  87);
  88
  89sub gitweb_check_feature {
  90        my ($name) = @_;
  91        return undef unless exists $feature{$name};
  92        my ($sub, $override, @defaults) = (
  93                $feature{$name}{'sub'},
  94                $feature{$name}{'override'},
  95                @{$feature{$name}{'default'}});
  96        if (!$override) { return @defaults; }
  97        return $sub->(@defaults);
  98}
  99
 100# To enable system wide have in $GITWEB_CONFIG
 101# $feature{'blame'}{'default'} =  [1];
 102# To have project specific config enable override in  $GITWEB_CONFIG
 103# $feature{'blame'}{'override'} =  1;
 104# and in project config gitweb.blame = 0|1;
 105
 106sub feature_blame {
 107        my ($val) = git_get_project_config('blame', '--bool');
 108
 109        if ($val eq 'true') {
 110                return 1;
 111        } elsif ($val eq 'false') {
 112                return 0;
 113        }
 114
 115        return $_[0];
 116}
 117
 118# To disable system wide have in $GITWEB_CONFIG
 119# $feature{'snapshot'}{'default'} =  [undef];
 120# To have project specific config enable override in  $GITWEB_CONFIG
 121# $feature{'blame'}{'override'} =  1;
 122# and in project config  gitweb.snapshot = none|gzip|bzip2
 123
 124sub feature_snapshot {
 125        my ($ctype, $suffix, $command) = @_;
 126
 127        my ($val) = git_get_project_config('snapshot');
 128
 129        if ($val eq 'gzip') {
 130                return ('x-gzip', 'gz', 'gzip');
 131        } elsif ($val eq 'bzip2') {
 132                return ('x-bzip2', 'bz2', 'bzip2');
 133        } elsif ($val eq 'none') {
 134                return ();
 135        }
 136
 137        return ($ctype, $suffix, $command);
 138}
 139
 140our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
 141require $GITWEB_CONFIG if -e $GITWEB_CONFIG;
 142
 143# version of the core git binary
 144our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
 145
 146$projects_list ||= $projectroot;
 147if (! -d $git_temp) {
 148        mkdir($git_temp, 0700) || die_error(undef, "Couldn't mkdir $git_temp");
 149}
 150
 151# ======================================================================
 152# input validation and dispatch
 153our $action = $cgi->param('a');
 154if (defined $action) {
 155        if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
 156                die_error(undef, "Invalid action parameter");
 157        }
 158}
 159
 160our $project = ($cgi->param('p') || $ENV{'PATH_INFO'});
 161if (defined $project) {
 162        $project =~ s|^/||;
 163        $project =~ s|/$||;
 164        $project = undef unless $project;
 165}
 166if (defined $project) {
 167        if (!validate_input($project)) {
 168                die_error(undef, "Invalid project parameter");
 169        }
 170        if (!(-d "$projectroot/$project")) {
 171                die_error(undef, "No such directory");
 172        }
 173        if (!(-e "$projectroot/$project/HEAD")) {
 174                die_error(undef, "No such project");
 175        }
 176        $ENV{'GIT_DIR'} = "$projectroot/$project";
 177}
 178
 179our $file_name = $cgi->param('f');
 180if (defined $file_name) {
 181        if (!validate_input($file_name)) {
 182                die_error(undef, "Invalid file parameter");
 183        }
 184}
 185
 186our $file_parent = $cgi->param('fp');
 187if (defined $file_parent) {
 188        if (!validate_input($file_parent)) {
 189                die_error(undef, "Invalid file parent parameter");
 190        }
 191}
 192
 193our $hash = $cgi->param('h');
 194if (defined $hash) {
 195        if (!validate_input($hash)) {
 196                die_error(undef, "Invalid hash parameter");
 197        }
 198}
 199
 200our $hash_parent = $cgi->param('hp');
 201if (defined $hash_parent) {
 202        if (!validate_input($hash_parent)) {
 203                die_error(undef, "Invalid hash parent parameter");
 204        }
 205}
 206
 207our $hash_base = $cgi->param('hb');
 208if (defined $hash_base) {
 209        if (!validate_input($hash_base)) {
 210                die_error(undef, "Invalid hash base parameter");
 211        }
 212}
 213
 214our $page = $cgi->param('pg');
 215if (defined $page) {
 216        if ($page =~ m/[^0-9]$/) {
 217                die_error(undef, "Invalid page parameter");
 218        }
 219}
 220
 221our $searchtext = $cgi->param('s');
 222if (defined $searchtext) {
 223        if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 224                die_error(undef, "Invalid search parameter");
 225        }
 226        $searchtext = quotemeta $searchtext;
 227}
 228
 229# dispatch
 230my %actions = (
 231        "blame" => \&git_blame2,
 232        "blobdiff" => \&git_blobdiff,
 233        "blobdiff_plain" => \&git_blobdiff_plain,
 234        "blob" => \&git_blob,
 235        "blob_plain" => \&git_blob_plain,
 236        "commitdiff" => \&git_commitdiff,
 237        "commitdiff_plain" => \&git_commitdiff_plain,
 238        "commit" => \&git_commit,
 239        "heads" => \&git_heads,
 240        "history" => \&git_history,
 241        "log" => \&git_log,
 242        "rss" => \&git_rss,
 243        "search" => \&git_search,
 244        "shortlog" => \&git_shortlog,
 245        "summary" => \&git_summary,
 246        "tag" => \&git_tag,
 247        "tags" => \&git_tags,
 248        "tree" => \&git_tree,
 249        "snapshot" => \&git_snapshot,
 250        # those below don't need $project
 251        "opml" => \&git_opml,
 252        "project_list" => \&git_project_list,
 253);
 254
 255if (defined $project) {
 256        $action ||= 'summary';
 257} else {
 258        $action ||= 'project_list';
 259}
 260if (!defined($actions{$action})) {
 261        die_error(undef, "Unknown action");
 262}
 263$actions{$action}->();
 264exit;
 265
 266## ======================================================================
 267## action links
 268
 269sub href(%) {
 270        my %params = @_;
 271
 272        my @mapping = (
 273                action => "a",
 274                project => "p",
 275                file_name => "f",
 276                file_parent => "fp",
 277                hash => "h",
 278                hash_parent => "hp",
 279                hash_base => "hb",
 280                page => "pg",
 281                searchtext => "s",
 282        );
 283        my %mapping = @mapping;
 284
 285        $params{"project"} ||= $project;
 286
 287        my @result = ();
 288        for (my $i = 0; $i < @mapping; $i += 2) {
 289                my ($name, $symbol) = ($mapping[$i], $mapping[$i+1]);
 290                if (defined $params{$name}) {
 291                        push @result, $symbol . "=" . esc_param($params{$name});
 292                }
 293        }
 294        return "$my_uri?" . join(';', @result);
 295}
 296
 297
 298## ======================================================================
 299## validation, quoting/unquoting and escaping
 300
 301sub validate_input {
 302        my $input = shift;
 303
 304        if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 305                return $input;
 306        }
 307        if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 308                return undef;
 309        }
 310        if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
 311                return undef;
 312        }
 313        return $input;
 314}
 315
 316# quote unsafe chars, but keep the slash, even when it's not
 317# correct, but quoted slashes look too horrible in bookmarks
 318sub esc_param {
 319        my $str = shift;
 320        $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 321        $str =~ s/\+/%2B/g;
 322        $str =~ s/ /\+/g;
 323        return $str;
 324}
 325
 326# replace invalid utf8 character with SUBSTITUTION sequence
 327sub esc_html {
 328        my $str = shift;
 329        $str = decode("utf8", $str, Encode::FB_DEFAULT);
 330        $str = escapeHTML($str);
 331        $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
 332        return $str;
 333}
 334
 335# git may return quoted and escaped filenames
 336sub unquote {
 337        my $str = shift;
 338        if ($str =~ m/^"(.*)"$/) {
 339                $str = $1;
 340                $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 341        }
 342        return $str;
 343}
 344
 345# escape tabs (convert tabs to spaces)
 346sub untabify {
 347        my $line = shift;
 348
 349        while ((my $pos = index($line, "\t")) != -1) {
 350                if (my $count = (8 - ($pos % 8))) {
 351                        my $spaces = ' ' x $count;
 352                        $line =~ s/\t/$spaces/;
 353                }
 354        }
 355
 356        return $line;
 357}
 358
 359## ----------------------------------------------------------------------
 360## HTML aware string manipulation
 361
 362sub chop_str {
 363        my $str = shift;
 364        my $len = shift;
 365        my $add_len = shift || 10;
 366
 367        # allow only $len chars, but don't cut a word if it would fit in $add_len
 368        # if it doesn't fit, cut it if it's still longer than the dots we would add
 369        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 370        my $body = $1;
 371        my $tail = $2;
 372        if (length($tail) > 4) {
 373                $tail = " ...";
 374                $body =~ s/&[^;]*$//; # remove chopped character entities
 375        }
 376        return "$body$tail";
 377}
 378
 379## ----------------------------------------------------------------------
 380## functions returning short strings
 381
 382# CSS class for given age value (in seconds)
 383sub age_class {
 384        my $age = shift;
 385
 386        if ($age < 60*60*2) {
 387                return "age0";
 388        } elsif ($age < 60*60*24*2) {
 389                return "age1";
 390        } else {
 391                return "age2";
 392        }
 393}
 394
 395# convert age in seconds to "nn units ago" string
 396sub age_string {
 397        my $age = shift;
 398        my $age_str;
 399
 400        if ($age > 60*60*24*365*2) {
 401                $age_str = (int $age/60/60/24/365);
 402                $age_str .= " years ago";
 403        } elsif ($age > 60*60*24*(365/12)*2) {
 404                $age_str = int $age/60/60/24/(365/12);
 405                $age_str .= " months ago";
 406        } elsif ($age > 60*60*24*7*2) {
 407                $age_str = int $age/60/60/24/7;
 408                $age_str .= " weeks ago";
 409        } elsif ($age > 60*60*24*2) {
 410                $age_str = int $age/60/60/24;
 411                $age_str .= " days ago";
 412        } elsif ($age > 60*60*2) {
 413                $age_str = int $age/60/60;
 414                $age_str .= " hours ago";
 415        } elsif ($age > 60*2) {
 416                $age_str = int $age/60;
 417                $age_str .= " min ago";
 418        } elsif ($age > 2) {
 419                $age_str = int $age;
 420                $age_str .= " sec ago";
 421        } else {
 422                $age_str .= " right now";
 423        }
 424        return $age_str;
 425}
 426
 427# convert file mode in octal to symbolic file mode string
 428sub mode_str {
 429        my $mode = oct shift;
 430
 431        if (S_ISDIR($mode & S_IFMT)) {
 432                return 'drwxr-xr-x';
 433        } elsif (S_ISLNK($mode)) {
 434                return 'lrwxrwxrwx';
 435        } elsif (S_ISREG($mode)) {
 436                # git cares only about the executable bit
 437                if ($mode & S_IXUSR) {
 438                        return '-rwxr-xr-x';
 439                } else {
 440                        return '-rw-r--r--';
 441                };
 442        } else {
 443                return '----------';
 444        }
 445}
 446
 447# convert file mode in octal to file type string
 448sub file_type {
 449        my $mode = oct shift;
 450
 451        if (S_ISDIR($mode & S_IFMT)) {
 452                return "directory";
 453        } elsif (S_ISLNK($mode)) {
 454                return "symlink";
 455        } elsif (S_ISREG($mode)) {
 456                return "file";
 457        } else {
 458                return "unknown";
 459        }
 460}
 461
 462## ----------------------------------------------------------------------
 463## functions returning short HTML fragments, or transforming HTML fragments
 464## which don't beling to other sections
 465
 466# format line of commit message or tag comment
 467sub format_log_line_html {
 468        my $line = shift;
 469
 470        $line = esc_html($line);
 471        $line =~ s/ /&nbsp;/g;
 472        if ($line =~ m/([0-9a-fA-F]{40})/) {
 473                my $hash_text = $1;
 474                if (git_get_type($hash_text) eq "commit") {
 475                        my $link =
 476                                $cgi->a({-href => href(action=>"commit", hash=>$hash_text),
 477                                        -class => "text"}, $hash_text);
 478                        $line =~ s/$hash_text/$link/;
 479                }
 480        }
 481        return $line;
 482}
 483
 484# format marker of refs pointing to given object
 485sub format_ref_marker {
 486        my ($refs, $id) = @_;
 487        my $markers = '';
 488
 489        if (defined $refs->{$id}) {
 490                foreach my $ref (@{$refs->{$id}}) {
 491                        my ($type, $name) = qw();
 492                        # e.g. tags/v2.6.11 or heads/next
 493                        if ($ref =~ m!^(.*?)s?/(.*)$!) {
 494                                $type = $1;
 495                                $name = $2;
 496                        } else {
 497                                $type = "ref";
 498                                $name = $ref;
 499                        }
 500
 501                        $markers .= " <span class=\"$type\">" . esc_html($name) . "</span>";
 502                }
 503        }
 504
 505        if ($markers) {
 506                return ' <span class="refs">'. $markers . '</span>';
 507        } else {
 508                return "";
 509        }
 510}
 511
 512# format, perhaps shortened and with markers, title line
 513sub format_subject_html {
 514        my ($long, $short, $href, $extra) = @_;
 515        $extra = '' unless defined($extra);
 516
 517        if (length($short) < length($long)) {
 518                return $cgi->a({-href => $href, -class => "list subject",
 519                                -title => $long},
 520                       esc_html($short) . $extra);
 521        } else {
 522                return $cgi->a({-href => $href, -class => "list subject"},
 523                       esc_html($long)  . $extra);
 524        }
 525}
 526
 527sub format_diff_line {
 528        my $line = shift;
 529        my $char = substr($line, 0, 1);
 530        my $diff_class = "";
 531
 532        chomp $line;
 533
 534        if ($char eq '+') {
 535                $diff_class = " add";
 536        } elsif ($char eq "-") {
 537                $diff_class = " rem";
 538        } elsif ($char eq "@") {
 539                $diff_class = " chunk_header";
 540        } elsif ($char eq "\\") {
 541                $diff_class = " incomplete";
 542        }
 543        $line = untabify($line);
 544        return "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
 545}
 546
 547## ----------------------------------------------------------------------
 548## git utility subroutines, invoking git commands
 549
 550# get HEAD ref of given project as hash
 551sub git_get_head_hash {
 552        my $project = shift;
 553        my $oENV = $ENV{'GIT_DIR'};
 554        my $retval = undef;
 555        $ENV{'GIT_DIR'} = "$projectroot/$project";
 556        if (open my $fd, "-|", $GIT, "rev-parse", "--verify", "HEAD") {
 557                my $head = <$fd>;
 558                close $fd;
 559                if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 560                        $retval = $1;
 561                }
 562        }
 563        if (defined $oENV) {
 564                $ENV{'GIT_DIR'} = $oENV;
 565        }
 566        return $retval;
 567}
 568
 569# get type of given object
 570sub git_get_type {
 571        my $hash = shift;
 572
 573        open my $fd, "-|", $GIT, "cat-file", '-t', $hash or return;
 574        my $type = <$fd>;
 575        close $fd or return;
 576        chomp $type;
 577        return $type;
 578}
 579
 580sub git_get_project_config {
 581        my ($key, $type) = @_;
 582
 583        return unless ($key);
 584        $key =~ s/^gitweb\.//;
 585        return if ($key =~ m/\W/);
 586
 587        my @x = ($GIT, 'repo-config');
 588        if (defined $type) { push @x, $type; }
 589        push @x, "--get";
 590        push @x, "gitweb.$key";
 591        my $val = qx(@x);
 592        chomp $val;
 593        return ($val);
 594}
 595
 596# get hash of given path at given ref
 597sub git_get_hash_by_path {
 598        my $base = shift;
 599        my $path = shift || return undef;
 600
 601        my $tree = $base;
 602
 603        open my $fd, "-|", $GIT, "ls-tree", $base, "--", $path
 604                or die_error(undef, "Open git-ls-tree failed");
 605        my $line = <$fd>;
 606        close $fd or return undef;
 607
 608        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
 609        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
 610        return $3;
 611}
 612
 613## ......................................................................
 614## git utility functions, directly accessing git repository
 615
 616# assumes that PATH is not symref
 617sub git_get_hash_by_ref {
 618        my $path = shift;
 619
 620        open my $fd, "$projectroot/$path" or return undef;
 621        my $head = <$fd>;
 622        close $fd;
 623        chomp $head;
 624        if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 625                return $head;
 626        }
 627}
 628
 629sub git_get_project_description {
 630        my $path = shift;
 631
 632        open my $fd, "$projectroot/$path/description" or return undef;
 633        my $descr = <$fd>;
 634        close $fd;
 635        chomp $descr;
 636        return $descr;
 637}
 638
 639sub git_get_project_url_list {
 640        my $path = shift;
 641
 642        open my $fd, "$projectroot/$path/cloneurl" or return undef;
 643        my @git_project_url_list = map { chomp; $_ } <$fd>;
 644        close $fd;
 645
 646        return wantarray ? @git_project_url_list : \@git_project_url_list;
 647}
 648
 649sub git_get_projects_list {
 650        my @list;
 651
 652        if (-d $projects_list) {
 653                # search in directory
 654                my $dir = $projects_list;
 655                opendir my ($dh), $dir or return undef;
 656                while (my $dir = readdir($dh)) {
 657                        if (-e "$projectroot/$dir/HEAD") {
 658                                my $pr = {
 659                                        path => $dir,
 660                                };
 661                                push @list, $pr
 662                        }
 663                }
 664                closedir($dh);
 665        } elsif (-f $projects_list) {
 666                # read from file(url-encoded):
 667                # 'git%2Fgit.git Linus+Torvalds'
 668                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 669                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 670                open my ($fd), $projects_list or return undef;
 671                while (my $line = <$fd>) {
 672                        chomp $line;
 673                        my ($path, $owner) = split ' ', $line;
 674                        $path = unescape($path);
 675                        $owner = unescape($owner);
 676                        if (!defined $path) {
 677                                next;
 678                        }
 679                        if (-e "$projectroot/$path/HEAD") {
 680                                my $pr = {
 681                                        path => $path,
 682                                        owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 683                                };
 684                                push @list, $pr
 685                        }
 686                }
 687                close $fd;
 688        }
 689        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 690        return @list;
 691}
 692
 693sub git_get_project_owner {
 694        my $project = shift;
 695        my $owner;
 696
 697        return undef unless $project;
 698
 699        # read from file (url-encoded):
 700        # 'git%2Fgit.git Linus+Torvalds'
 701        # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 702        # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 703        if (-f $projects_list) {
 704                open (my $fd , $projects_list);
 705                while (my $line = <$fd>) {
 706                        chomp $line;
 707                        my ($pr, $ow) = split ' ', $line;
 708                        $pr = unescape($pr);
 709                        $ow = unescape($ow);
 710                        if ($pr eq $project) {
 711                                $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
 712                                last;
 713                        }
 714                }
 715                close $fd;
 716        }
 717        if (!defined $owner) {
 718                $owner = get_file_owner("$projectroot/$project");
 719        }
 720
 721        return $owner;
 722}
 723
 724sub git_get_references {
 725        my $type = shift || "";
 726        my %refs;
 727        my $fd;
 728        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 729        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 730        if (-f "$projectroot/$project/info/refs") {
 731                open $fd, "$projectroot/$project/info/refs"
 732                        or return;
 733        } else {
 734                open $fd, "-|", $GIT, "ls-remote", "."
 735                        or return;
 736        }
 737
 738        while (my $line = <$fd>) {
 739                chomp $line;
 740                if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?[^\^]+)/) {
 741                        if (defined $refs{$1}) {
 742                                push @{$refs{$1}}, $2;
 743                        } else {
 744                                $refs{$1} = [ $2 ];
 745                        }
 746                }
 747        }
 748        close $fd or return;
 749        return \%refs;
 750}
 751
 752sub git_get_following_references {
 753        my $hash = shift || return undef;
 754        my $type = shift;
 755        my $base = shift || $hash_base || "HEAD";
 756
 757        my $refs = git_get_references($type);
 758        open my $fd, "-|", $GIT, "rev-list", $base
 759                or return undef;
 760        my @commits = map { chomp; $_ } <$fd>;
 761        close $fd
 762                or return undef;
 763
 764        my @reflist;
 765        my $lastref;
 766
 767        foreach my $commit (@commits) {
 768                foreach my $ref (@{$refs->{$commit}}) {
 769                        $lastref = $ref;
 770                        push @reflist, $lastref;
 771                }
 772                if ($commit eq $hash) {
 773                        last;
 774                }
 775        }
 776
 777        return wantarray ? @reflist : $lastref;
 778}
 779
 780sub git_get_preceding_references {
 781        my $hash = shift || return undef;
 782        my $type = shift;
 783
 784        my $refs = git_get_references($type);
 785        open my $fd, "-|", $GIT, "rev-list", $hash
 786                or return undef;
 787        my @commits = map { chomp; $_ } <$fd>;
 788        close $fd
 789                or return undef;
 790
 791        my @reflist;
 792
 793        foreach my $commit (@commits) {
 794                foreach my $ref (@{$refs->{$commit}}) {
 795                        return $ref unless wantarray;
 796                        push @reflist, $ref;
 797                }
 798        }
 799
 800        return @reflist;
 801}
 802
 803## ----------------------------------------------------------------------
 804## parse to hash functions
 805
 806sub parse_date {
 807        my $epoch = shift;
 808        my $tz = shift || "-0000";
 809
 810        my %date;
 811        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 812        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 813        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 814        $date{'hour'} = $hour;
 815        $date{'minute'} = $min;
 816        $date{'mday'} = $mday;
 817        $date{'day'} = $days[$wday];
 818        $date{'month'} = $months[$mon];
 819        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
 820                           $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 821        $date{'mday-time'} = sprintf "%d %s %02d:%02d",
 822                             $mday, $months[$mon], $hour ,$min;
 823
 824        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 825        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 826        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 827        $date{'hour_local'} = $hour;
 828        $date{'minute_local'} = $min;
 829        $date{'tz_local'} = $tz;
 830        return %date;
 831}
 832
 833sub parse_tag {
 834        my $tag_id = shift;
 835        my %tag;
 836        my @comment;
 837
 838        open my $fd, "-|", $GIT, "cat-file", "tag", $tag_id or return;
 839        $tag{'id'} = $tag_id;
 840        while (my $line = <$fd>) {
 841                chomp $line;
 842                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 843                        $tag{'object'} = $1;
 844                } elsif ($line =~ m/^type (.+)$/) {
 845                        $tag{'type'} = $1;
 846                } elsif ($line =~ m/^tag (.+)$/) {
 847                        $tag{'name'} = $1;
 848                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 849                        $tag{'author'} = $1;
 850                        $tag{'epoch'} = $2;
 851                        $tag{'tz'} = $3;
 852                } elsif ($line =~ m/--BEGIN/) {
 853                        push @comment, $line;
 854                        last;
 855                } elsif ($line eq "") {
 856                        last;
 857                }
 858        }
 859        push @comment, <$fd>;
 860        $tag{'comment'} = \@comment;
 861        close $fd or return;
 862        if (!defined $tag{'name'}) {
 863                return
 864        };
 865        return %tag
 866}
 867
 868sub parse_commit {
 869        my $commit_id = shift;
 870        my $commit_text = shift;
 871
 872        my @commit_lines;
 873        my %co;
 874
 875        if (defined $commit_text) {
 876                @commit_lines = @$commit_text;
 877        } else {
 878                $/ = "\0";
 879                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", "--max-count=1", $commit_id
 880                        or return;
 881                @commit_lines = split '\n', <$fd>;
 882                close $fd or return;
 883                $/ = "\n";
 884                pop @commit_lines;
 885        }
 886        my $header = shift @commit_lines;
 887        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 888                return;
 889        }
 890        ($co{'id'}, my @parents) = split ' ', $header;
 891        $co{'parents'} = \@parents;
 892        $co{'parent'} = $parents[0];
 893        while (my $line = shift @commit_lines) {
 894                last if $line eq "\n";
 895                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 896                        $co{'tree'} = $1;
 897                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 898                        $co{'author'} = $1;
 899                        $co{'author_epoch'} = $2;
 900                        $co{'author_tz'} = $3;
 901                        if ($co{'author'} =~ m/^([^<]+) </) {
 902                                $co{'author_name'} = $1;
 903                        } else {
 904                                $co{'author_name'} = $co{'author'};
 905                        }
 906                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 907                        $co{'committer'} = $1;
 908                        $co{'committer_epoch'} = $2;
 909                        $co{'committer_tz'} = $3;
 910                        $co{'committer_name'} = $co{'committer'};
 911                        $co{'committer_name'} =~ s/ <.*//;
 912                }
 913        }
 914        if (!defined $co{'tree'}) {
 915                return;
 916        };
 917
 918        foreach my $title (@commit_lines) {
 919                $title =~ s/^    //;
 920                if ($title ne "") {
 921                        $co{'title'} = chop_str($title, 80, 5);
 922                        # remove leading stuff of merges to make the interesting part visible
 923                        if (length($title) > 50) {
 924                                $title =~ s/^Automatic //;
 925                                $title =~ s/^merge (of|with) /Merge ... /i;
 926                                if (length($title) > 50) {
 927                                        $title =~ s/(http|rsync):\/\///;
 928                                }
 929                                if (length($title) > 50) {
 930                                        $title =~ s/(master|www|rsync)\.//;
 931                                }
 932                                if (length($title) > 50) {
 933                                        $title =~ s/kernel.org:?//;
 934                                }
 935                                if (length($title) > 50) {
 936                                        $title =~ s/\/pub\/scm//;
 937                                }
 938                        }
 939                        $co{'title_short'} = chop_str($title, 50, 5);
 940                        last;
 941                }
 942        }
 943        # remove added spaces
 944        foreach my $line (@commit_lines) {
 945                $line =~ s/^    //;
 946        }
 947        $co{'comment'} = \@commit_lines;
 948
 949        my $age = time - $co{'committer_epoch'};
 950        $co{'age'} = $age;
 951        $co{'age_string'} = age_string($age);
 952        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 953        if ($age > 60*60*24*7*2) {
 954                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 955                $co{'age_string_age'} = $co{'age_string'};
 956        } else {
 957                $co{'age_string_date'} = $co{'age_string'};
 958                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 959        }
 960        return %co;
 961}
 962
 963# parse ref from ref_file, given by ref_id, with given type
 964sub parse_ref {
 965        my $ref_file = shift;
 966        my $ref_id = shift;
 967        my $type = shift || git_get_type($ref_id);
 968        my %ref_item;
 969
 970        $ref_item{'type'} = $type;
 971        $ref_item{'id'} = $ref_id;
 972        $ref_item{'epoch'} = 0;
 973        $ref_item{'age'} = "unknown";
 974        if ($type eq "tag") {
 975                my %tag = parse_tag($ref_id);
 976                $ref_item{'comment'} = $tag{'comment'};
 977                if ($tag{'type'} eq "commit") {
 978                        my %co = parse_commit($tag{'object'});
 979                        $ref_item{'epoch'} = $co{'committer_epoch'};
 980                        $ref_item{'age'} = $co{'age_string'};
 981                } elsif (defined($tag{'epoch'})) {
 982                        my $age = time - $tag{'epoch'};
 983                        $ref_item{'epoch'} = $tag{'epoch'};
 984                        $ref_item{'age'} = age_string($age);
 985                }
 986                $ref_item{'reftype'} = $tag{'type'};
 987                $ref_item{'name'} = $tag{'name'};
 988                $ref_item{'refid'} = $tag{'object'};
 989        } elsif ($type eq "commit"){
 990                my %co = parse_commit($ref_id);
 991                $ref_item{'reftype'} = "commit";
 992                $ref_item{'name'} = $ref_file;
 993                $ref_item{'title'} = $co{'title'};
 994                $ref_item{'refid'} = $ref_id;
 995                $ref_item{'epoch'} = $co{'committer_epoch'};
 996                $ref_item{'age'} = $co{'age_string'};
 997        } else {
 998                $ref_item{'reftype'} = $type;
 999                $ref_item{'name'} = $ref_file;
1000                $ref_item{'refid'} = $ref_id;
1001        }
1002
1003        return %ref_item;
1004}
1005
1006# parse line of git-diff-tree "raw" output
1007sub parse_difftree_raw_line {
1008        my $line = shift;
1009        my %res;
1010
1011        # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M   ls-files.c'
1012        # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M   rev-tree.c'
1013        if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
1014                $res{'from_mode'} = $1;
1015                $res{'to_mode'} = $2;
1016                $res{'from_id'} = $3;
1017                $res{'to_id'} = $4;
1018                $res{'status'} = $5;
1019                $res{'similarity'} = $6;
1020                if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
1021                        ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
1022                } else {
1023                        $res{'file'} = unquote($7);
1024                }
1025        }
1026        # 'c512b523472485aef4fff9e57b229d9d243c967f'
1027        #elsif ($line =~ m/^([0-9a-fA-F]{40})$/) {
1028        #       $res{'commit'} = $1;
1029        #}
1030
1031        return wantarray ? %res : \%res;
1032}
1033
1034## ......................................................................
1035## parse to array of hashes functions
1036
1037sub git_get_refs_list {
1038        my $ref_dir = shift;
1039        my @reflist;
1040
1041        my @refs;
1042        my $pfxlen = length("$projectroot/$project/$ref_dir");
1043        File::Find::find(sub {
1044                return if (/^\./);
1045                if (-f $_) {
1046                        push @refs, substr($File::Find::name, $pfxlen + 1);
1047                }
1048        }, "$projectroot/$project/$ref_dir");
1049
1050        foreach my $ref_file (@refs) {
1051                my $ref_id = git_get_hash_by_ref("$project/$ref_dir/$ref_file");
1052                my $type = git_get_type($ref_id) || next;
1053                my %ref_item = parse_ref($ref_file, $ref_id, $type);
1054
1055                push @reflist, \%ref_item;
1056        }
1057        # sort refs by age
1058        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1059        return \@reflist;
1060}
1061
1062## ----------------------------------------------------------------------
1063## filesystem-related functions
1064
1065sub get_file_owner {
1066        my $path = shift;
1067
1068        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
1069        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
1070        if (!defined $gcos) {
1071                return undef;
1072        }
1073        my $owner = $gcos;
1074        $owner =~ s/[,;].*$//;
1075        return decode("utf8", $owner, Encode::FB_DEFAULT);
1076}
1077
1078## ......................................................................
1079## mimetype related functions
1080
1081sub mimetype_guess_file {
1082        my $filename = shift;
1083        my $mimemap = shift;
1084        -r $mimemap or return undef;
1085
1086        my %mimemap;
1087        open(MIME, $mimemap) or return undef;
1088        while (<MIME>) {
1089                next if m/^#/; # skip comments
1090                my ($mime, $exts) = split(/\t+/);
1091                if (defined $exts) {
1092                        my @exts = split(/\s+/, $exts);
1093                        foreach my $ext (@exts) {
1094                                $mimemap{$ext} = $mime;
1095                        }
1096                }
1097        }
1098        close(MIME);
1099
1100        $filename =~ /\.(.*?)$/;
1101        return $mimemap{$1};
1102}
1103
1104sub mimetype_guess {
1105        my $filename = shift;
1106        my $mime;
1107        $filename =~ /\./ or return undef;
1108
1109        if ($mimetypes_file) {
1110                my $file = $mimetypes_file;
1111                if ($file !~ m!^/!) { # if it is relative path
1112                        # it is relative to project
1113                        $file = "$projectroot/$project/$file";
1114                }
1115                $mime = mimetype_guess_file($filename, $file);
1116        }
1117        $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1118        return $mime;
1119}
1120
1121sub blob_mimetype {
1122        my $fd = shift;
1123        my $filename = shift;
1124
1125        if ($filename) {
1126                my $mime = mimetype_guess($filename);
1127                $mime and return $mime;
1128        }
1129
1130        # just in case
1131        return $default_blob_plain_mimetype unless $fd;
1132
1133        if (-T $fd) {
1134                return 'text/plain' .
1135                       ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1136        } elsif (! $filename) {
1137                return 'application/octet-stream';
1138        } elsif ($filename =~ m/\.png$/i) {
1139                return 'image/png';
1140        } elsif ($filename =~ m/\.gif$/i) {
1141                return 'image/gif';
1142        } elsif ($filename =~ m/\.jpe?g$/i) {
1143                return 'image/jpeg';
1144        } else {
1145                return 'application/octet-stream';
1146        }
1147}
1148
1149## ======================================================================
1150## functions printing HTML: header, footer, error page
1151
1152sub git_header_html {
1153        my $status = shift || "200 OK";
1154        my $expires = shift;
1155
1156        my $title = "$site_name git";
1157        if (defined $project) {
1158                $title .= " - $project";
1159                if (defined $action) {
1160                        $title .= "/$action";
1161                        if (defined $file_name) {
1162                                $title .= " - $file_name";
1163                                if ($action eq "tree" && $file_name !~ m|/$|) {
1164                                        $title .= "/";
1165                                }
1166                        }
1167                }
1168        }
1169        my $content_type;
1170        # require explicit support from the UA if we are to send the page as
1171        # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
1172        # we have to do this because MSIE sometimes globs '*/*', pretending to
1173        # support xhtml+xml but choking when it gets what it asked for.
1174        if (defined $cgi->http('HTTP_ACCEPT') &&
1175            $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ &&
1176            $cgi->Accept('application/xhtml+xml') != 0) {
1177                $content_type = 'application/xhtml+xml';
1178        } else {
1179                $content_type = 'text/html';
1180        }
1181        print $cgi->header(-type=>$content_type, -charset => 'utf-8',
1182                           -status=> $status, -expires => $expires);
1183        print <<EOF;
1184<?xml version="1.0" encoding="utf-8"?>
1185<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
1186<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
1187<!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
1188<!-- git core binaries version $git_version -->
1189<head>
1190<meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
1191<meta name="generator" content="gitweb/$version git/$git_version"/>
1192<meta name="robots" content="index, nofollow"/>
1193<title>$title</title>
1194<link rel="stylesheet" type="text/css" href="$stylesheet"/>
1195EOF
1196        if (defined $project) {
1197                printf('<link rel="alternate" title="%s log" '.
1198                       'href="%s" type="application/rss+xml"/>'."\n",
1199                       esc_param($project), href(action=>"rss"));
1200        }
1201
1202        print "</head>\n" .
1203              "<body>\n" .
1204              "<div class=\"page_header\">\n" .
1205              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
1206              "<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
1207              "</a>\n";
1208        print $cgi->a({-href => esc_param($home_link)}, $home_link_str) . " / ";
1209        if (defined $project) {
1210                print $cgi->a({-href => href(action=>"summary")}, esc_html($project));
1211                if (defined $action) {
1212                        print " / $action";
1213                }
1214                print "\n";
1215                if (!defined $searchtext) {
1216                        $searchtext = "";
1217                }
1218                my $search_hash;
1219                if (defined $hash_base) {
1220                        $search_hash = $hash_base;
1221                } elsif (defined $hash) {
1222                        $search_hash = $hash;
1223                } else {
1224                        $search_hash = "HEAD";
1225                }
1226                $cgi->param("a", "search");
1227                $cgi->param("h", $search_hash);
1228                print $cgi->startform(-method => "get", -action => $my_uri) .
1229                      "<div class=\"search\">\n" .
1230                      $cgi->hidden(-name => "p") . "\n" .
1231                      $cgi->hidden(-name => "a") . "\n" .
1232                      $cgi->hidden(-name => "h") . "\n" .
1233                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
1234                      "</div>" .
1235                      $cgi->end_form() . "\n";
1236        }
1237        print "</div>\n";
1238}
1239
1240sub git_footer_html {
1241        print "<div class=\"page_footer\">\n";
1242        if (defined $project) {
1243                my $descr = git_get_project_description($project);
1244                if (defined $descr) {
1245                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
1246                }
1247                print $cgi->a({-href => href(action=>"rss"), -class => "rss_logo"}, "RSS") . "\n";
1248        } else {
1249                print $cgi->a({-href => href(action=>"opml"), -class => "rss_logo"}, "OPML") . "\n";
1250        }
1251        print "</div>\n" .
1252              "</body>\n" .
1253              "</html>";
1254}
1255
1256sub die_error {
1257        my $status = shift || "403 Forbidden";
1258        my $error = shift || "Malformed query, file missing or permission denied";
1259
1260        git_header_html($status);
1261        print <<EOF;
1262<div class="page_body">
1263<br /><br />
1264$status - $error
1265<br />
1266</div>
1267EOF
1268        git_footer_html();
1269        exit;
1270}
1271
1272## ----------------------------------------------------------------------
1273## functions printing or outputting HTML: navigation
1274
1275sub git_print_page_nav {
1276        my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
1277        $extra = '' if !defined $extra; # pager or formats
1278
1279        my @navs = qw(summary shortlog log commit commitdiff tree);
1280        if ($suppress) {
1281                @navs = grep { $_ ne $suppress } @navs;
1282        }
1283
1284        my %arg = map { $_ => {action=>$_} } @navs;
1285        if (defined $head) {
1286                for (qw(commit commitdiff)) {
1287                        $arg{$_}{hash} = $head;
1288                }
1289                if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
1290                        for (qw(shortlog log)) {
1291                                $arg{$_}{hash} = $head;
1292                        }
1293                }
1294        }
1295        $arg{tree}{hash} = $treehead if defined $treehead;
1296        $arg{tree}{hash_base} = $treebase if defined $treebase;
1297
1298        print "<div class=\"page_nav\">\n" .
1299                (join " | ",
1300                 map { $_ eq $current ?
1301                       $_ : $cgi->a({-href => href(%{$arg{$_}})}, "$_")
1302                 } @navs);
1303        print "<br/>\n$extra<br/>\n" .
1304              "</div>\n";
1305}
1306
1307sub format_paging_nav {
1308        my ($action, $hash, $head, $page, $nrevs) = @_;
1309        my $paging_nav;
1310
1311
1312        if ($hash ne $head || $page) {
1313                $paging_nav .= $cgi->a({-href => href(action=>$action)}, "HEAD");
1314        } else {
1315                $paging_nav .= "HEAD";
1316        }
1317
1318        if ($page > 0) {
1319                $paging_nav .= " &sdot; " .
1320                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page-1),
1321                                 -accesskey => "p", -title => "Alt-p"}, "prev");
1322        } else {
1323                $paging_nav .= " &sdot; prev";
1324        }
1325
1326        if ($nrevs >= (100 * ($page+1)-1)) {
1327                $paging_nav .= " &sdot; " .
1328                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page+1),
1329                                 -accesskey => "n", -title => "Alt-n"}, "next");
1330        } else {
1331                $paging_nav .= " &sdot; next";
1332        }
1333
1334        return $paging_nav;
1335}
1336
1337## ......................................................................
1338## functions printing or outputting HTML: div
1339
1340sub git_print_header_div {
1341        my ($action, $title, $hash, $hash_base) = @_;
1342        my %args = ();
1343
1344        $args{action} = $action;
1345        $args{hash} = $hash if $hash;
1346        $args{hash_base} = $hash_base if $hash_base;
1347
1348        print "<div class=\"header\">\n" .
1349              $cgi->a({-href => href(%args), -class => "title"},
1350              $title ? $title : $action) .
1351              "\n</div>\n";
1352}
1353
1354sub git_print_page_path {
1355        my $name = shift;
1356        my $type = shift;
1357        my $hb = shift;
1358
1359        if (!defined $name) {
1360                print "<div class=\"page_path\">/</div>\n";
1361        } elsif (defined $type && $type eq 'blob') {
1362                print "<div class=\"page_path\">";
1363                if (defined $hb) {
1364                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
1365                                                     hash_base=>$hb)},
1366                                      esc_html($name));
1367                } else {
1368                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name)},
1369                                      esc_html($name));
1370                }
1371                print "<br/></div>\n";
1372        } else {
1373                print "<div class=\"page_path\">" . esc_html($name) . "<br/></div>\n";
1374        }
1375}
1376
1377sub git_print_log {
1378        my $log = shift;
1379
1380        # remove leading empty lines
1381        while (defined $log->[0] && $log->[0] eq "") {
1382                shift @$log;
1383        }
1384
1385        # print log
1386        my $signoff = 0;
1387        my $empty = 0;
1388        foreach my $line (@$log) {
1389                # print only one empty line
1390                # do not print empty line after signoff
1391                if ($line eq "") {
1392                        next if ($empty || $signoff);
1393                        $empty = 1;
1394                } else {
1395                        $empty = 0;
1396                }
1397                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1398                        $signoff = 1;
1399                        print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1400                } else {
1401                        $signoff = 0;
1402                        print format_log_line_html($line) . "<br/>\n";
1403                }
1404        }
1405}
1406
1407sub git_print_simplified_log {
1408        my $log = shift;
1409        my $remove_title = shift;
1410
1411        shift @$log if $remove_title;
1412        # remove leading empty lines
1413        while (defined $log->[0] && $log->[0] eq "") {
1414                shift @$log;
1415        }
1416
1417        # simplify and print log
1418        my $empty = 0;
1419        foreach my $line (@$log) {
1420                # remove signoff lines
1421                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1422                        next;
1423                }
1424                # print only one empty line
1425                if ($line eq "") {
1426                        next if $empty;
1427                        $empty = 1;
1428                } else {
1429                        $empty = 0;
1430                }
1431                print format_log_line_html($line) . "<br/>\n";
1432        }
1433        # end with single empty line
1434        print "<br/>\n" unless $empty;
1435}
1436
1437## ......................................................................
1438## functions printing large fragments of HTML
1439
1440sub git_difftree_body {
1441        my ($difftree, $hash, $parent) = @_;
1442
1443        print "<div class=\"list_head\">\n";
1444        if ($#{$difftree} > 10) {
1445                print(($#{$difftree} + 1) . " files changed:\n");
1446        }
1447        print "</div>\n";
1448
1449        print "<table class=\"diff_tree\">\n";
1450        my $alternate = 0;
1451        foreach my $line (@{$difftree}) {
1452                my %diff = parse_difftree_raw_line($line);
1453
1454                if ($alternate) {
1455                        print "<tr class=\"dark\">\n";
1456                } else {
1457                        print "<tr class=\"light\">\n";
1458                }
1459                $alternate ^= 1;
1460
1461                my ($to_mode_oct, $to_mode_str, $to_file_type);
1462                my ($from_mode_oct, $from_mode_str, $from_file_type);
1463                if ($diff{'to_mode'} ne ('0' x 6)) {
1464                        $to_mode_oct = oct $diff{'to_mode'};
1465                        if (S_ISREG($to_mode_oct)) { # only for regular file
1466                                $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
1467                        }
1468                        $to_file_type = file_type($diff{'to_mode'});
1469                }
1470                if ($diff{'from_mode'} ne ('0' x 6)) {
1471                        $from_mode_oct = oct $diff{'from_mode'};
1472                        if (S_ISREG($to_mode_oct)) { # only for regular file
1473                                $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
1474                        }
1475                        $from_file_type = file_type($diff{'from_mode'});
1476                }
1477
1478                if ($diff{'status'} eq "A") { # created
1479                        my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
1480                        $mode_chng   .= " with mode: $to_mode_str" if $to_mode_str;
1481                        $mode_chng   .= "]</span>";
1482                        print "<td>" .
1483                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1484                                                     hash_base=>$hash, file_name=>$diff{'file'}),
1485                                      -class => "list"}, esc_html($diff{'file'})) .
1486                              "</td>\n" .
1487                              "<td>$mode_chng</td>\n" .
1488                              "<td class=\"link\">" .
1489                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1490                                                     hash_base=>$hash, file_name=>$diff{'file'})},
1491                                      "blob") .
1492                              "</td>\n";
1493
1494                } elsif ($diff{'status'} eq "D") { # deleted
1495                        my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
1496                        print "<td>" .
1497                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1498                                                     hash_base=>$parent, file_name=>$diff{'file'}),
1499                                       -class => "list"}, esc_html($diff{'file'})) .
1500                              "</td>\n" .
1501                              "<td>$mode_chng</td>\n" .
1502                              "<td class=\"link\">" .
1503                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1504                                                     hash_base=>$parent, file_name=>$diff{'file'})},
1505                                      "blob") .
1506                              " | " .
1507                              $cgi->a({-href => href(action=>"history", hash_base=>$parent,
1508                                                     file_name=>$diff{'file'})},\
1509                                      "history") .
1510                              "</td>\n";
1511
1512                } elsif ($diff{'status'} eq "M" || $diff{'status'} eq "T") { # modified, or type changed
1513                        my $mode_chnge = "";
1514                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1515                                $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
1516                                if ($from_file_type != $to_file_type) {
1517                                        $mode_chnge .= " from $from_file_type to $to_file_type";
1518                                }
1519                                if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
1520                                        if ($from_mode_str && $to_mode_str) {
1521                                                $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
1522                                        } elsif ($to_mode_str) {
1523                                                $mode_chnge .= " mode: $to_mode_str";
1524                                        }
1525                                }
1526                                $mode_chnge .= "]</span>\n";
1527                        }
1528                        print "<td>";
1529                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1530                                print $cgi->a({-href => href(action=>"blobdiff", hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1531                                                             hash_base=>$hash, file_name=>$diff{'file'}),
1532                                              -class => "list"}, esc_html($diff{'file'}));
1533                        } else { # only mode changed
1534                                print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1535                                                             hash_base=>$hash, file_name=>$diff{'file'}),
1536                                              -class => "list"}, esc_html($diff{'file'}));
1537                        }
1538                        print "</td>\n" .
1539                              "<td>$mode_chnge</td>\n" .
1540                              "<td class=\"link\">" .
1541                                $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1542                                                       hash_base=>$hash, file_name=>$diff{'file'})},
1543                                        "blob");
1544                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1545                                print " | " .
1546                                        $cgi->a({-href => href(action=>"blobdiff", hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1547                                                               hash_base=>$hash, file_name=>$diff{'file'})},
1548                                                "diff");
1549                        }
1550                        print " | " .
1551                                $cgi->a({-href => href(action=>"history",
1552                                                       hash_base=>$hash, file_name=>$diff{'file'})},
1553                                        "history");
1554                        print "</td>\n";
1555
1556                } elsif ($diff{'status'} eq "R" || $diff{'status'} eq "C") { # renamed or copied
1557                        my %status_name = ('R' => 'moved', 'C' => 'copied');
1558                        my $nstatus = $status_name{$diff{'status'}};
1559                        my $mode_chng = "";
1560                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1561                                # mode also for directories, so we cannot use $to_mode_str
1562                                $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
1563                        }
1564                        print "<td>" .
1565                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1566                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'}),
1567                                      -class => "list"}, esc_html($diff{'to_file'})) . "</td>\n" .
1568                              "<td><span class=\"file_status $nstatus\">[$nstatus from " .
1569                              $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
1570                                                     hash=>$diff{'from_id'}, file_name=>$diff{'from_file'}),
1571                                      -class => "list"}, esc_html($diff{'from_file'})) .
1572                              " with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
1573                              "<td class=\"link\">" .
1574                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1575                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'})},
1576                                      "blob");
1577                        if ($diff{'to_id'} ne $diff{'from_id'}) {
1578                                print " | " .
1579                                        $cgi->a({-href => href(action=>"blobdiff", hash_base=>$hash,
1580                                                               hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1581                                                               file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
1582                                                "diff");
1583                        }
1584                        print "</td>\n";
1585
1586                } # we should not encounter Unmerged (U) or Unknown (X) status
1587                print "</tr>\n";
1588        }
1589        print "</table>\n";
1590}
1591
1592sub git_patchset_body {
1593        my ($fd, $difftree, $hash, $hash_parent) = @_;
1594
1595        my $patch_idx = 0;
1596        my $in_header = 0;
1597        my $patch_found = 0;
1598        my %diffinfo;
1599
1600        print "<div class=\"patchset\">\n";
1601
1602        LINE:
1603        while (my $patch_line @$fd>) {
1604                chomp $patch_line;
1605
1606                if ($patch_line =~ m/^diff /) { # "git diff" header
1607                        # beginning of patch (in patchset)
1608                        if ($patch_found) {
1609                                # close previous patch
1610                                print "</div>\n"; # class="patch"
1611                        } else {
1612                                # first patch in patchset
1613                                $patch_found = 1;
1614                        }
1615                        print "<div class=\"patch\">\n";
1616
1617                        %diffinfo = parse_difftree_raw_line($difftree->[$patch_idx++]);
1618
1619                        # for now, no extended header, hence we skip empty patches
1620                        # companion to  next LINE if $in_header;
1621                        if ($diffinfo{'from_id'} eq $diffinfo{'to_id'}) { # no change
1622                                $in_header = 1;
1623                                next LINE;
1624                        }
1625
1626                        if ($diffinfo{'status'} eq "A") { # added
1627                                print "<div class=\"diff_info\">" . file_type($diffinfo{'to_mode'}) . ":" .
1628                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1629                                                             hash=>$diffinfo{'to_id'}, file_name=>$diffinfo{'file'})},
1630                                              $diffinfo{'to_id'}) . "(new)" .
1631                                      "</div>\n"; # class="diff_info"
1632
1633                        } elsif ($diffinfo{'status'} eq "D") { # deleted
1634                                print "<div class=\"diff_info\">" . file_type($diffinfo{'from_mode'}) . ":" .
1635                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1636                                                             hash=>$diffinfo{'from_id'}, file_name=>$diffinfo{'file'})},
1637                                              $diffinfo{'from_id'}) . "(deleted)" .
1638                                      "</div>\n"; # class="diff_info"
1639
1640                        } elsif ($diffinfo{'status'} eq "R" || # renamed
1641                                 $diffinfo{'status'} eq "C") { # copied
1642                                print "<div class=\"diff_info\">" .
1643                                      file_type($diffinfo{'from_mode'}) . ":" .
1644                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1645                                                             hash=>$diffinfo{'from_id'}, file_name=>$diffinfo{'from_file'})},
1646                                              $diffinfo{'from_id'}) .
1647                                      " -> " .
1648                                      file_type($diffinfo{'to_mode'}) . ":" .
1649                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1650                                                             hash=>$diffinfo{'to_id'}, file_name=>$diffinfo{'to_file'})},
1651                                              $diffinfo{'to_id'});
1652                                print "</div>\n"; # class="diff_info"
1653
1654                        } else { # modified, mode changed, ...
1655                                print "<div class=\"diff_info\">" .
1656                                      file_type($diffinfo{'from_mode'}) . ":" .
1657                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1658                                                             hash=>$diffinfo{'from_id'}, file_name=>$diffinfo{'file'})},
1659                                              $diffinfo{'from_id'}) .
1660                                      " -> " .
1661                                      file_type($diffinfo{'to_mode'}) . ":" .
1662                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1663                                                             hash=>$diffinfo{'to_id'}, file_name=>$diffinfo{'file'})},
1664                                              $diffinfo{'to_id'});
1665                                print "</div>\n"; # class="diff_info"
1666                        }
1667
1668                        #print "<div class=\"diff extended_header\">\n";
1669                        $in_header = 1;
1670                        next LINE;
1671                } # start of patch in patchset
1672
1673
1674                if ($in_header && $patch_line =~ m/^---/) {
1675                        #print "</div>\n"
1676                        $in_header = 0;
1677                }
1678                next LINE if $in_header;
1679
1680                print format_diff_line($patch_line);
1681        }
1682        print "</div>\n" if $patch_found; # class="patch"
1683
1684        print "</div>\n"; # class="patchset"
1685}
1686
1687# . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1688
1689sub git_shortlog_body {
1690        # uses global variable $project
1691        my ($revlist, $from, $to, $refs, $extra) = @_;
1692
1693        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
1694        my $have_snapshot = (defined $ctype && defined $suffix);
1695
1696        $from = 0 unless defined $from;
1697        $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
1698
1699        print "<table class=\"shortlog\" cellspacing=\"0\">\n";
1700        my $alternate = 0;
1701        for (my $i = $from; $i <= $to; $i++) {
1702                my $commit = $revlist->[$i];
1703                #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
1704                my $ref = format_ref_marker($refs, $commit);
1705                my %co = parse_commit($commit);
1706                if ($alternate) {
1707                        print "<tr class=\"dark\">\n";
1708                } else {
1709                        print "<tr class=\"light\">\n";
1710                }
1711                $alternate ^= 1;
1712                # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
1713                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1714                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1715                      "<td>";
1716                print format_subject_html($co{'title'}, $co{'title_short'},
1717                                          href(action=>"commit", hash=>$commit), $ref);
1718                print "</td>\n" .
1719                      "<td class=\"link\">" .
1720                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
1721                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
1722                if ($have_snapshot) {
1723                        print " | " .  $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
1724                }
1725                print "</td>\n" .
1726                      "</tr>\n";
1727        }
1728        if (defined $extra) {
1729                print "<tr>\n" .
1730                      "<td colspan=\"4\">$extra</td>\n" .
1731                      "</tr>\n";
1732        }
1733        print "</table>\n";
1734}
1735
1736sub git_history_body {
1737        # Warning: assumes constant type (blob or tree) during history
1738        my ($fd, $refs, $hash_base, $ftype, $extra) = @_;
1739
1740        print "<table class=\"history\" cellspacing=\"0\">\n";
1741        my $alternate = 0;
1742        while (my $line = <$fd>) {
1743                if ($line !~ m/^([0-9a-fA-F]{40})/) {
1744                        next;
1745                }
1746
1747                my $commit = $1;
1748                my %co = parse_commit($commit);
1749                if (!%co) {
1750                        next;
1751                }
1752
1753                my $ref = format_ref_marker($refs, $commit);
1754
1755                if ($alternate) {
1756                        print "<tr class=\"dark\">\n";
1757                } else {
1758                        print "<tr class=\"light\">\n";
1759                }
1760                $alternate ^= 1;
1761                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1762                      # shortlog uses      chop_str($co{'author_name'}, 10)
1763                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
1764                      "<td>";
1765                # originally git_history used chop_str($co{'title'}, 50)
1766                print format_subject_html($co{'title'}, $co{'title_short'},
1767                                          href(action=>"commit", hash=>$commit), $ref);
1768                print "</td>\n" .
1769                      "<td class=\"link\">" .
1770                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
1771                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
1772                      $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype);
1773
1774                if ($ftype eq 'blob') {
1775                        my $blob_current = git_get_hash_by_path($hash_base, $file_name);
1776                        my $blob_parent  = git_get_hash_by_path($commit, $file_name);
1777                        if (defined $blob_current && defined $blob_parent &&
1778                                        $blob_current ne $blob_parent) {
1779                                print " | " .
1780                                        $cgi->a({-href => href(action=>"blobdiff", hash=>$blob_current, hash_parent=>$blob_parent,
1781                                                               hash_base=>$commit, file_name=>$file_name)},
1782                                                "diff to current");
1783                        }
1784                }
1785                print "</td>\n" .
1786                      "</tr>\n";
1787        }
1788        if (defined $extra) {
1789                print "<tr>\n" .
1790                      "<td colspan=\"4\">$extra</td>\n" .
1791                      "</tr>\n";
1792        }
1793        print "</table>\n";
1794}
1795
1796sub git_tags_body {
1797        # uses global variable $project
1798        my ($taglist, $from, $to, $extra) = @_;
1799        $from = 0 unless defined $from;
1800        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1801
1802        print "<table class=\"tags\" cellspacing=\"0\">\n";
1803        my $alternate = 0;
1804        for (my $i = $from; $i <= $to; $i++) {
1805                my $entry = $taglist->[$i];
1806                my %tag = %$entry;
1807                my $comment_lines = $tag{'comment'};
1808                my $comment = shift @$comment_lines;
1809                my $comment_short;
1810                if (defined $comment) {
1811                        $comment_short = chop_str($comment, 30, 5);
1812                }
1813                if ($alternate) {
1814                        print "<tr class=\"dark\">\n";
1815                } else {
1816                        print "<tr class=\"light\">\n";
1817                }
1818                $alternate ^= 1;
1819                print "<td><i>$tag{'age'}</i></td>\n" .
1820                      "<td>" .
1821                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
1822                               -class => "list name"}, esc_html($tag{'name'})) .
1823                      "</td>\n" .
1824                      "<td>";
1825                if (defined $comment) {
1826                        print format_subject_html($comment, $comment_short,
1827                                                  href(action=>"tag", hash=>$tag{'id'}));
1828                }
1829                print "</td>\n" .
1830                      "<td class=\"selflink\">";
1831                if ($tag{'type'} eq "tag") {
1832                        print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
1833                } else {
1834                        print "&nbsp;";
1835                }
1836                print "</td>\n" .
1837                      "<td class=\"link\">" . " | " .
1838                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
1839                if ($tag{'reftype'} eq "commit") {
1840                        print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") .
1841                              " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'refid'})}, "log");
1842                } elsif ($tag{'reftype'} eq "blob") {
1843                        print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
1844                }
1845                print "</td>\n" .
1846                      "</tr>";
1847        }
1848        if (defined $extra) {
1849                print "<tr>\n" .
1850                      "<td colspan=\"5\">$extra</td>\n" .
1851                      "</tr>\n";
1852        }
1853        print "</table>\n";
1854}
1855
1856sub git_heads_body {
1857        # uses global variable $project
1858        my ($taglist, $head, $from, $to, $extra) = @_;
1859        $from = 0 unless defined $from;
1860        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1861
1862        print "<table class=\"heads\" cellspacing=\"0\">\n";
1863        my $alternate = 0;
1864        for (my $i = $from; $i <= $to; $i++) {
1865                my $entry = $taglist->[$i];
1866                my %tag = %$entry;
1867                my $curr = $tag{'id'} eq $head;
1868                if ($alternate) {
1869                        print "<tr class=\"dark\">\n";
1870                } else {
1871                        print "<tr class=\"light\">\n";
1872                }
1873                $alternate ^= 1;
1874                print "<td><i>$tag{'age'}</i></td>\n" .
1875                      ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
1876                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'}),
1877                               -class => "list name"},esc_html($tag{'name'})) .
1878                      "</td>\n" .
1879                      "<td class=\"link\">" .
1880                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") . " | " .
1881                      $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log") .
1882                      "</td>\n" .
1883                      "</tr>";
1884        }
1885        if (defined $extra) {
1886                print "<tr>\n" .
1887                      "<td colspan=\"3\">$extra</td>\n" .
1888                      "</tr>\n";
1889        }
1890        print "</table>\n";
1891}
1892
1893## ----------------------------------------------------------------------
1894## functions printing large fragments, format as one of arguments
1895
1896sub git_diff_print {
1897        my $from = shift;
1898        my $from_name = shift;
1899        my $to = shift;
1900        my $to_name = shift;
1901        my $format = shift || "html";
1902
1903        my $from_tmp = "/dev/null";
1904        my $to_tmp = "/dev/null";
1905        my $pid = $$;
1906
1907        # create tmp from-file
1908        if (defined $from) {
1909                $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
1910                open my $fd2, "> $from_tmp";
1911                open my $fd, "-|", $GIT, "cat-file", "blob", $from;
1912                my @file = <$fd>;
1913                print $fd2 @file;
1914                close $fd2;
1915                close $fd;
1916        }
1917
1918        # create tmp to-file
1919        if (defined $to) {
1920                $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
1921                open my $fd2, "> $to_tmp";
1922                open my $fd, "-|", $GIT, "cat-file", "blob", $to;
1923                my @file = <$fd>;
1924                print $fd2 @file;
1925                close $fd2;
1926                close $fd;
1927        }
1928
1929        open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
1930        if ($format eq "plain") {
1931                undef $/;
1932                print <$fd>;
1933                $/ = "\n";
1934        } else {
1935                while (my $line = <$fd>) {
1936                        chomp $line;
1937                        my $char = substr($line, 0, 1);
1938                        my $diff_class = "";
1939                        if ($char eq '+') {
1940                                $diff_class = " add";
1941                        } elsif ($char eq "-") {
1942                                $diff_class = " rem";
1943                        } elsif ($char eq "@") {
1944                                $diff_class = " chunk_header";
1945                        } elsif ($char eq "\\") {
1946                                # skip errors
1947                                next;
1948                        }
1949                        $line = untabify($line);
1950                        print "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
1951                }
1952        }
1953        close $fd;
1954
1955        if (defined $from) {
1956                unlink($from_tmp);
1957        }
1958        if (defined $to) {
1959                unlink($to_tmp);
1960        }
1961}
1962
1963
1964## ======================================================================
1965## ======================================================================
1966## actions
1967
1968sub git_project_list {
1969        my $order = $cgi->param('o');
1970        if (defined $order && $order !~ m/project|descr|owner|age/) {
1971                die_error(undef, "Unknown order parameter");
1972        }
1973
1974        my @list = git_get_projects_list();
1975        my @projects;
1976        if (!@list) {
1977                die_error(undef, "No projects found");
1978        }
1979        foreach my $pr (@list) {
1980                my $head = git_get_head_hash($pr->{'path'});
1981                if (!defined $head) {
1982                        next;
1983                }
1984                $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
1985                my %co = parse_commit($head);
1986                if (!%co) {
1987                        next;
1988                }
1989                $pr->{'commit'} = \%co;
1990                if (!defined $pr->{'descr'}) {
1991                        my $descr = git_get_project_description($pr->{'path'}) || "";
1992                        $pr->{'descr'} = chop_str($descr, 25, 5);
1993                }
1994                if (!defined $pr->{'owner'}) {
1995                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
1996                }
1997                push @projects, $pr;
1998        }
1999
2000        git_header_html();
2001        if (-f $home_text) {
2002                print "<div class=\"index_include\">\n";
2003                open (my $fd, $home_text);
2004                print <$fd>;
2005                close $fd;
2006                print "</div>\n";
2007        }
2008        print "<table class=\"project_list\">\n" .
2009              "<tr>\n";
2010        $order ||= "project";
2011        if ($order eq "project") {
2012                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
2013                print "<th>Project</th>\n";
2014        } else {
2015                print "<th>" .
2016                      $cgi->a({-href => "$my_uri?" . esc_param("o=project"),
2017                               -class => "header"}, "Project") .
2018                      "</th>\n";
2019        }
2020        if ($order eq "descr") {
2021                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
2022                print "<th>Description</th>\n";
2023        } else {
2024                print "<th>" .
2025                      $cgi->a({-href => "$my_uri?" . esc_param("o=descr"),
2026                               -class => "header"}, "Description") .
2027                      "</th>\n";
2028        }
2029        if ($order eq "owner") {
2030                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
2031                print "<th>Owner</th>\n";
2032        } else {
2033                print "<th>" .
2034                      $cgi->a({-href => "$my_uri?" . esc_param("o=owner"),
2035                               -class => "header"}, "Owner") .
2036                      "</th>\n";
2037        }
2038        if ($order eq "age") {
2039                @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
2040                print "<th>Last Change</th>\n";
2041        } else {
2042                print "<th>" .
2043                      $cgi->a({-href => "$my_uri?" . esc_param("o=age"),
2044                               -class => "header"}, "Last Change") .
2045                      "</th>\n";
2046        }
2047        print "<th></th>\n" .
2048              "</tr>\n";
2049        my $alternate = 0;
2050        foreach my $pr (@projects) {
2051                if ($alternate) {
2052                        print "<tr class=\"dark\">\n";
2053                } else {
2054                        print "<tr class=\"light\">\n";
2055                }
2056                $alternate ^= 1;
2057                print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
2058                                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
2059                      "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
2060                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
2061                print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" .
2062                      $pr->{'commit'}{'age_string'} . "</td>\n" .
2063                      "<td class=\"link\">" .
2064                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
2065                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
2066                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") .
2067                      "</td>\n" .
2068                      "</tr>\n";
2069        }
2070        print "</table>\n";
2071        git_footer_html();
2072}
2073
2074sub git_summary {
2075        my $descr = git_get_project_description($project) || "none";
2076        my $head = git_get_head_hash($project);
2077        my %co = parse_commit($head);
2078        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2079
2080        my $owner = git_get_project_owner($project);
2081
2082        my $refs = git_get_references();
2083        git_header_html();
2084        git_print_page_nav('summary','', $head);
2085
2086        print "<div class=\"title\">&nbsp;</div>\n";
2087        print "<table cellspacing=\"0\">\n" .
2088              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
2089              "<tr><td>owner</td><td>$owner</td></tr>\n" .
2090              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n";
2091        # use per project git URL list in $projectroot/$project/cloneurl
2092        # or make project git URL from git base URL and project name
2093        my $url_tag = "URL";
2094        my @url_list = git_get_project_url_list($project);
2095        @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
2096        foreach my $git_url (@url_list) {
2097                next unless $git_url;
2098                print "<tr><td>$url_tag</td><td>$git_url</td></tr>\n";
2099                $url_tag = "";
2100        }
2101        print "</table>\n";
2102
2103        open my $fd, "-|", $GIT, "rev-list", "--max-count=17", git_get_head_hash($project)
2104                or die_error(undef, "Open git-rev-list failed");
2105        my @revlist = map { chomp; $_ } <$fd>;
2106        close $fd;
2107        git_print_header_div('shortlog');
2108        git_shortlog_body(\@revlist, 0, 15, $refs,
2109                          $cgi->a({-href => href(action=>"shortlog")}, "..."));
2110
2111        my $taglist = git_get_refs_list("refs/tags");
2112        if (defined @$taglist) {
2113                git_print_header_div('tags');
2114                git_tags_body($taglist, 0, 15,
2115                              $cgi->a({-href => href(action=>"tags")}, "..."));
2116        }
2117
2118        my $headlist = git_get_refs_list("refs/heads");
2119        if (defined @$headlist) {
2120                git_print_header_div('heads');
2121                git_heads_body($headlist, $head, 0, 15,
2122                               $cgi->a({-href => href(action=>"heads")}, "..."));
2123        }
2124
2125        git_footer_html();
2126}
2127
2128sub git_tag {
2129        my $head = git_get_head_hash($project);
2130        git_header_html();
2131        git_print_page_nav('','', $head,undef,$head);
2132        my %tag = parse_tag($hash);
2133        git_print_header_div('commit', esc_html($tag{'name'}), $hash);
2134        print "<div class=\"title_text\">\n" .
2135              "<table cellspacing=\"0\">\n" .
2136              "<tr>\n" .
2137              "<td>object</td>\n" .
2138              "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2139                               $tag{'object'}) . "</td>\n" .
2140              "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2141                                              $tag{'type'}) . "</td>\n" .
2142              "</tr>\n";
2143        if (defined($tag{'author'})) {
2144                my %ad = parse_date($tag{'epoch'}, $tag{'tz'});
2145                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
2146                print "<tr><td></td><td>" . $ad{'rfc2822'} .
2147                        sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) .
2148                        "</td></tr>\n";
2149        }
2150        print "</table>\n\n" .
2151              "</div>\n";
2152        print "<div class=\"page_body\">";
2153        my $comment = $tag{'comment'};
2154        foreach my $line (@$comment) {
2155                print esc_html($line) . "<br/>\n";
2156        }
2157        print "</div>\n";
2158        git_footer_html();
2159}
2160
2161sub git_blame2 {
2162        my $fd;
2163        my $ftype;
2164
2165        if (!gitweb_check_feature('blame')) {
2166                die_error('403 Permission denied', "Permission denied");
2167        }
2168        die_error('404 Not Found', "File name not defined") if (!$file_name);
2169        $hash_base ||= git_get_head_hash($project);
2170        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2171        my %co = parse_commit($hash_base)
2172                or die_error(undef, "Reading commit failed");
2173        if (!defined $hash) {
2174                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2175                        or die_error(undef, "Error looking up file");
2176        }
2177        $ftype = git_get_type($hash);
2178        if ($ftype !~ "blob") {
2179                die_error("400 Bad Request", "Object is not a blob");
2180        }
2181        open ($fd, "-|", $GIT, "blame", '-l', $file_name, $hash_base)
2182                or die_error(undef, "Open git-blame failed");
2183        git_header_html();
2184        my $formats_nav =
2185                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2186                        "blob") .
2187                " | " .
2188                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2189                        "head");
2190        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2191        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2192        git_print_page_path($file_name, $ftype, $hash_base);
2193        my @rev_color = (qw(light2 dark2));
2194        my $num_colors = scalar(@rev_color);
2195        my $current_color = 0;
2196        my $last_rev;
2197        print <<HTML;
2198<div class="page_body">
2199<table class="blame">
2200<tr><th>Commit</th><th>Line</th><th>Data</th></tr>
2201HTML
2202        while (<$fd>) {
2203                /^([0-9a-fA-F]{40}).*?(\d+)\)\s{1}(\s*.*)/;
2204                my $full_rev = $1;
2205                my $rev = substr($full_rev, 0, 8);
2206                my $lineno = $2;
2207                my $data = $3;
2208
2209                if (!defined $last_rev) {
2210                        $last_rev = $full_rev;
2211                } elsif ($last_rev ne $full_rev) {
2212                        $last_rev = $full_rev;
2213                        $current_color = ++$current_color % $num_colors;
2214                }
2215                print "<tr class=\"$rev_color[$current_color]\">\n";
2216                print "<td class=\"sha1\">" .
2217                        $cgi->a({-href => href(action=>"commit", hash=>$full_rev, file_name=>$file_name)},
2218                                esc_html($rev)) . "</td>\n";
2219                print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" .
2220                      esc_html($lineno) . "</a></td>\n";
2221                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
2222                print "</tr>\n";
2223        }
2224        print "</table>\n";
2225        print "</div>";
2226        close $fd
2227                or print "Reading blob failed\n";
2228        git_footer_html();
2229}
2230
2231sub git_blame {
2232        my $fd;
2233
2234        if (!gitweb_check_feature('blame')) {
2235                die_error('403 Permission denied', "Permission denied");
2236        }
2237        die_error('404 Not Found', "File name not defined") if (!$file_name);
2238        $hash_base ||= git_get_head_hash($project);
2239        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2240        my %co = parse_commit($hash_base)
2241                or die_error(undef, "Reading commit failed");
2242        if (!defined $hash) {
2243                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2244                        or die_error(undef, "Error lookup file");
2245        }
2246        open ($fd, "-|", $GIT, "annotate", '-l', '-t', '-r', $file_name, $hash_base)
2247                or die_error(undef, "Open git-annotate failed");
2248        git_header_html();
2249        my $formats_nav =
2250                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2251                        "blob") .
2252                " | " .
2253                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2254                        "head");
2255        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2256        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2257        git_print_page_path($file_name, 'blob', $hash_base);
2258        print "<div class=\"page_body\">\n";
2259        print <<HTML;
2260<table class="blame">
2261  <tr>
2262    <th>Commit</th>
2263    <th>Age</th>
2264    <th>Author</th>
2265    <th>Line</th>
2266    <th>Data</th>
2267  </tr>
2268HTML
2269        my @line_class = (qw(light dark));
2270        my $line_class_len = scalar (@line_class);
2271        my $line_class_num = $#line_class;
2272        while (my $line = <$fd>) {
2273                my $long_rev;
2274                my $short_rev;
2275                my $author;
2276                my $time;
2277                my $lineno;
2278                my $data;
2279                my $age;
2280                my $age_str;
2281                my $age_class;
2282
2283                chomp $line;
2284                $line_class_num = ($line_class_num + 1) % $line_class_len;
2285
2286                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
2287                        $long_rev = $1;
2288                        $author   = $2;
2289                        $time     = $3;
2290                        $lineno   = $4;
2291                        $data     = $5;
2292                } else {
2293                        print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
2294                        next;
2295                }
2296                $short_rev  = substr ($long_rev, 0, 8);
2297                $age        = time () - $time;
2298                $age_str    = age_string ($age);
2299                $age_str    =~ s/ /&nbsp;/g;
2300                $age_class  = age_class($age);
2301                $author     = esc_html ($author);
2302                $author     =~ s/ /&nbsp;/g;
2303
2304                $data = untabify($data);
2305                $data = esc_html ($data);
2306
2307                print <<HTML;
2308  <tr class="$line_class[$line_class_num]">
2309    <td class="sha1"><a href="${\href (action=>"commit", hash=>$long_rev)}" class="text">$short_rev..</a></td>
2310    <td class="$age_class">$age_str</td>
2311    <td>$author</td>
2312    <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
2313    <td class="pre">$data</td>
2314  </tr>
2315HTML
2316        } # while (my $line = <$fd>)
2317        print "</table>\n\n";
2318        close $fd
2319                or print "Reading blob failed.\n";
2320        print "</div>";
2321        git_footer_html();
2322}
2323
2324sub git_tags {
2325        my $head = git_get_head_hash($project);
2326        git_header_html();
2327        git_print_page_nav('','', $head,undef,$head);
2328        git_print_header_div('summary', $project);
2329
2330        my $taglist = git_get_refs_list("refs/tags");
2331        if (defined @$taglist) {
2332                git_tags_body($taglist);
2333        }
2334        git_footer_html();
2335}
2336
2337sub git_heads {
2338        my $head = git_get_head_hash($project);
2339        git_header_html();
2340        git_print_page_nav('','', $head,undef,$head);
2341        git_print_header_div('summary', $project);
2342
2343        my $taglist = git_get_refs_list("refs/heads");
2344        if (defined @$taglist) {
2345                git_heads_body($taglist, $head);
2346        }
2347        git_footer_html();
2348}
2349
2350sub git_blob_plain {
2351        if (!defined $hash) {
2352                if (defined $file_name) {
2353                        my $base = $hash_base || git_get_head_hash($project);
2354                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2355                                or die_error(undef, "Error lookup file");
2356                } else {
2357                        die_error(undef, "No file name defined");
2358                }
2359        }
2360        my $type = shift;
2361        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
2362                or die_error(undef, "Couldn't cat $file_name, $hash");
2363
2364        $type ||= blob_mimetype($fd, $file_name);
2365
2366        # save as filename, even when no $file_name is given
2367        my $save_as = "$hash";
2368        if (defined $file_name) {
2369                $save_as = $file_name;
2370        } elsif ($type =~ m/^text\//) {
2371                $save_as .= '.txt';
2372        }
2373
2374        print $cgi->header(-type => "$type",
2375                           -content_disposition => "inline; filename=\"$save_as\"");
2376        undef $/;
2377        binmode STDOUT, ':raw';
2378        print <$fd>;
2379        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2380        $/ = "\n";
2381        close $fd;
2382}
2383
2384sub git_blob {
2385        if (!defined $hash) {
2386                if (defined $file_name) {
2387                        my $base = $hash_base || git_get_head_hash($project);
2388                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2389                                or die_error(undef, "Error lookup file");
2390                } else {
2391                        die_error(undef, "No file name defined");
2392                }
2393        }
2394        my $have_blame = gitweb_check_feature('blame');
2395        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
2396                or die_error(undef, "Couldn't cat $file_name, $hash");
2397        my $mimetype = blob_mimetype($fd, $file_name);
2398        if ($mimetype !~ m/^text\//) {
2399                close $fd;
2400                return git_blob_plain($mimetype);
2401        }
2402        git_header_html();
2403        my $formats_nav = '';
2404        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2405                if (defined $file_name) {
2406                        if ($have_blame) {
2407                                $formats_nav .=
2408                                        $cgi->a({-href => href(action=>"blame", hash_base=>$hash_base,
2409                                                               hash=>$hash, file_name=>$file_name)},
2410                                                "blame") .
2411                                        " | ";
2412                        }
2413                        $formats_nav .=
2414                                $cgi->a({-href => href(action=>"blob_plain",
2415                                                       hash=>$hash, file_name=>$file_name)},
2416                                        "plain") .
2417                                " | " .
2418                                $cgi->a({-href => href(action=>"blob",
2419                                                       hash_base=>"HEAD", file_name=>$file_name)},
2420                                        "head");
2421                } else {
2422                        $formats_nav .=
2423                                $cgi->a({-href => href(action=>"blob_plain", hash=>$hash)}, "plain");
2424                }
2425                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2426                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2427        } else {
2428                print "<div class=\"page_nav\">\n" .
2429                      "<br/><br/></div>\n" .
2430                      "<div class=\"title\">$hash</div>\n";
2431        }
2432        git_print_page_path($file_name, "blob", $hash_base);
2433        print "<div class=\"page_body\">\n";
2434        my $nr;
2435        while (my $line = <$fd>) {
2436                chomp $line;
2437                $nr++;
2438                $line = untabify($line);
2439                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
2440                       $nr, $nr, $nr, esc_html($line);
2441        }
2442        close $fd
2443                or print "Reading blob failed.\n";
2444        print "</div>";
2445        git_footer_html();
2446}
2447
2448sub git_tree {
2449        if (!defined $hash) {
2450                $hash = git_get_head_hash($project);
2451                if (defined $file_name) {
2452                        my $base = $hash_base || $hash;
2453                        $hash = git_get_hash_by_path($base, $file_name, "tree");
2454                }
2455                if (!defined $hash_base) {
2456                        $hash_base = $hash;
2457                }
2458        }
2459        $/ = "\0";
2460        open my $fd, "-|", $GIT, "ls-tree", '-z', $hash
2461                or die_error(undef, "Open git-ls-tree failed");
2462        my @entries = map { chomp; $_ } <$fd>;
2463        close $fd or die_error(undef, "Reading tree failed");
2464        $/ = "\n";
2465
2466        my $refs = git_get_references();
2467        my $ref = format_ref_marker($refs, $hash_base);
2468        git_header_html();
2469        my %base_key = ();
2470        my $base = "";
2471        my $have_blame = gitweb_check_feature('blame');
2472        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2473                $base_key{hash_base} = $hash_base;
2474                git_print_page_nav('tree','', $hash_base);
2475                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
2476        } else {
2477                print "<div class=\"page_nav\">\n";
2478                print "<br/><br/></div>\n";
2479                print "<div class=\"title\">$hash</div>\n";
2480        }
2481        if (defined $file_name) {
2482                $base = esc_html("$file_name/");
2483        }
2484        git_print_page_path($file_name, 'tree', $hash_base);
2485        print "<div class=\"page_body\">\n";
2486        print "<table cellspacing=\"0\">\n";
2487        my $alternate = 0;
2488        foreach my $line (@entries) {
2489                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
2490                $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
2491                my $t_mode = $1;
2492                my $t_type = $2;
2493                my $t_hash = $3;
2494                my $t_name = validate_input($4);
2495                if ($alternate) {
2496                        print "<tr class=\"dark\">\n";
2497                } else {
2498                        print "<tr class=\"light\">\n";
2499                }
2500                $alternate ^= 1;
2501                print "<td class=\"mode\">" . mode_str($t_mode) . "</td>\n";
2502                if ($t_type eq "blob") {
2503                        print "<td class=\"list\">" .
2504                              $cgi->a({-href => href(action=>"blob", hash=>$t_hash, file_name=>"$base$t_name", %base_key),
2505                                      -class => "list"}, esc_html($t_name)) .
2506                              "</td>\n" .
2507                              "<td class=\"link\">" .
2508                              $cgi->a({-href => href(action=>"blob", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2509                                      "blob");
2510                        if ($have_blame) {
2511                                print " | " .
2512                                        $cgi->a({-href => href(action=>"blame", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2513                                                "blame");
2514                        }
2515                        print " | " .
2516                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2517                                                     hash=>$t_hash, file_name=>"$base$t_name")},
2518                                      "history") .
2519                              " | " .
2520                              $cgi->a({-href => href(action=>"blob_plain",
2521                                                     hash=>$t_hash, file_name=>"$base$t_name")},
2522                                      "raw") .
2523                              "</td>\n";
2524                } elsif ($t_type eq "tree") {
2525                        print "<td class=\"list\">" .
2526                              $cgi->a({-href => href(action=>"tree", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2527                                      esc_html($t_name)) .
2528                              "</td>\n" .
2529                              "<td class=\"link\">" .
2530                              $cgi->a({-href => href(action=>"tree", hash=>$t_hash, file_name=>"$base$t_name", %base_key)},
2531                                      "tree") .
2532                              " | " .
2533                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base, file_name=>"$base$t_name")},
2534                                      "history") .
2535                              "</td>\n";
2536                }
2537                print "</tr>\n";
2538        }
2539        print "</table>\n" .
2540              "</div>";
2541        git_footer_html();
2542}
2543
2544sub git_snapshot {
2545
2546        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2547        my $have_snapshot = (defined $ctype && defined $suffix);
2548        if (!$have_snapshot) {
2549                die_error('403 Permission denied', "Permission denied");
2550        }
2551
2552        if (!defined $hash) {
2553                $hash = git_get_head_hash($project);
2554        }
2555
2556        my $filename = basename($project) . "-$hash.tar.$suffix";
2557
2558        print $cgi->header(-type => 'application/x-tar',
2559                           -content_encoding => $ctype,
2560                           -content_disposition => "inline; filename=\"$filename\"",
2561                           -status => '200 OK');
2562
2563        open my $fd, "-|", "$GIT tar-tree $hash \'$project\' | $command" or
2564                die_error(undef, "Execute git-tar-tree failed.");
2565        binmode STDOUT, ':raw';
2566        print <$fd>;
2567        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2568        close $fd;
2569
2570}
2571
2572sub git_log {
2573        my $head = git_get_head_hash($project);
2574        if (!defined $hash) {
2575                $hash = $head;
2576        }
2577        if (!defined $page) {
2578                $page = 0;
2579        }
2580        my $refs = git_get_references();
2581
2582        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2583        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
2584                or die_error(undef, "Open git-rev-list failed");
2585        my @revlist = map { chomp; $_ } <$fd>;
2586        close $fd;
2587
2588        my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#revlist);
2589
2590        git_header_html();
2591        git_print_page_nav('log','', $hash,undef,undef, $paging_nav);
2592
2593        if (!@revlist) {
2594                my %co = parse_commit($hash);
2595
2596                git_print_header_div('summary', $project);
2597                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
2598        }
2599        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2600                my $commit = $revlist[$i];
2601                my $ref = format_ref_marker($refs, $commit);
2602                my %co = parse_commit($commit);
2603                next if !%co;
2604                my %ad = parse_date($co{'author_epoch'});
2605                git_print_header_div('commit',
2606                               "<span class=\"age\">$co{'age_string'}</span>" .
2607                               esc_html($co{'title'}) . $ref,
2608                               $commit);
2609                print "<div class=\"title_text\">\n" .
2610                      "<div class=\"log_link\">\n" .
2611                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
2612                      " | " .
2613                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
2614                      "<br/>\n" .
2615                      "</div>\n" .
2616                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
2617                      "</div>\n";
2618
2619                print "<div class=\"log_body\">\n";
2620                git_print_simplified_log($co{'comment'});
2621                print "</div>\n";
2622        }
2623        git_footer_html();
2624}
2625
2626sub git_commit {
2627        my %co = parse_commit($hash);
2628        if (!%co) {
2629                die_error(undef, "Unknown commit object");
2630        }
2631        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2632        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2633
2634        my $parent = $co{'parent'};
2635        if (!defined $parent) {
2636                $parent = "--root";
2637        }
2638        open my $fd, "-|", $GIT, "diff-tree", '-r', '-M', $parent, $hash
2639                or die_error(undef, "Open git-diff-tree failed");
2640        my @difftree = map { chomp; $_ } <$fd>;
2641        close $fd or die_error(undef, "Reading git-diff-tree failed");
2642
2643        # non-textual hash id's can be cached
2644        my $expires;
2645        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2646                $expires = "+1d";
2647        }
2648        my $refs = git_get_references();
2649        my $ref = format_ref_marker($refs, $co{'id'});
2650
2651        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2652        my $have_snapshot = (defined $ctype && defined $suffix);
2653
2654        my $formats_nav = '';
2655        if (defined $file_name && defined $co{'parent'}) {
2656                my $parent = $co{'parent'};
2657                $formats_nav .=
2658                        $cgi->a({-href => href(action=>"blame", hash_parent=>$parent, file_name=>$file_name)},
2659                                "blame");
2660        }
2661        git_header_html(undef, $expires);
2662        git_print_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
2663                           $hash, $co{'tree'}, $hash,
2664                           $formats_nav);
2665
2666        if (defined $co{'parent'}) {
2667                git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
2668        } else {
2669                git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
2670        }
2671        print "<div class=\"title_text\">\n" .
2672              "<table cellspacing=\"0\">\n";
2673        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
2674              "<tr>" .
2675              "<td></td><td> $ad{'rfc2822'}";
2676        if ($ad{'hour_local'} < 6) {
2677                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
2678                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2679        } else {
2680                printf(" (%02d:%02d %s)",
2681                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2682        }
2683        print "</td>" .
2684              "</tr>\n";
2685        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
2686        print "<tr><td></td><td> $cd{'rfc2822'}" .
2687              sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) .
2688              "</td></tr>\n";
2689        print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
2690        print "<tr>" .
2691              "<td>tree</td>" .
2692              "<td class=\"sha1\">" .
2693              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
2694                       class => "list"}, $co{'tree'}) .
2695              "</td>" .
2696              "<td class=\"link\">" .
2697              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
2698                      "tree");
2699        if ($have_snapshot) {
2700                print " | " .
2701                      $cgi->a({-href => href(action=>"snapshot", hash=>$hash)}, "snapshot");
2702        }
2703        print "</td>" .
2704              "</tr>\n";
2705        my $parents = $co{'parents'};
2706        foreach my $par (@$parents) {
2707                print "<tr>" .
2708                      "<td>parent</td>" .
2709                      "<td class=\"sha1\">" .
2710                      $cgi->a({-href => href(action=>"commit", hash=>$par),
2711                               class => "list"}, $par) .
2712                      "</td>" .
2713                      "<td class=\"link\">" .
2714                      $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
2715                      " | " .
2716                      $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "commitdiff") .
2717                      "</td>" .
2718                      "</tr>\n";
2719        }
2720        print "</table>".
2721              "</div>\n";
2722
2723        print "<div class=\"page_body\">\n";
2724        git_print_log($co{'comment'});
2725        print "</div>\n";
2726
2727        git_difftree_body(\@difftree, $hash, $parent);
2728
2729        git_footer_html();
2730}
2731
2732sub git_blobdiff {
2733        mkdir($git_temp, 0700);
2734        git_header_html();
2735        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2736                my $formats_nav =
2737                        $cgi->a({-href => href(action=>"blobdiff_plain",
2738                                               hash=>$hash, hash_parent=>$hash_parent)},
2739                                "plain");
2740                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2741                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2742        } else {
2743                print <<HTML;
2744<div class="page_nav"><br/><br/></div>
2745<div class="title">$hash vs $hash_parent</div>
2746HTML
2747        }
2748        git_print_page_path($file_name, "blob", $hash_base);
2749        print "<div class=\"page_body\">\n" .
2750              "<div class=\"diff_info\">blob:" .
2751              $cgi->a({-href => href(action=>"blob", hash=>$hash_parent,
2752                                     hash_base=>$hash_base, file_name=>($file_parent || $file_name))},
2753                      $hash_parent) .
2754              " -> blob:" .
2755              $cgi->a({-href => href(action=>"blob", hash=>$hash,
2756                                     hash_base=>$hash_base, file_name=>$file_name)},
2757                      $hash) .
2758              "</div>\n";
2759        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2760        print "</div>"; # page_body
2761        git_footer_html();
2762}
2763
2764sub git_blobdiff_plain {
2765        mkdir($git_temp, 0700);
2766        print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2767        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2768}
2769
2770sub git_commitdiff {
2771        my $format = shift || 'html';
2772        my %co = parse_commit($hash);
2773        if (!%co) {
2774                die_error(undef, "Unknown commit object");
2775        }
2776        if (!defined $hash_parent) {
2777                $hash_parent = $co{'parent'} || '--root';
2778        }
2779
2780        # read commitdiff
2781        my $fd;
2782        my @difftree;
2783        if ($format eq 'html') {
2784                open $fd, "-|", $GIT, "diff-tree", '-r', '-M', '-C',
2785                        "--patch-with-raw", "--full-index", $hash_parent, $hash
2786                        or die_error(undef, "Open git-diff-tree failed");
2787
2788                while (chomp(my $line = <$fd>)) {
2789                        # empty line ends raw part of diff-tree output
2790                        last unless $line;
2791                        push @difftree, $line;
2792                }
2793
2794        } elsif ($format eq 'plain') {
2795                open $fd, "-|", $GIT, "diff-tree", '-r', '-p', '-B', $hash_parent, $hash
2796                        or die_error(undef, "Open git-diff-tree failed");
2797
2798        } else {
2799                die_error(undef, "Unknown commitdiff format");
2800        }
2801
2802        # non-textual hash id's can be cached
2803        my $expires;
2804        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2805                $expires = "+1d";
2806        }
2807
2808        # write commit message
2809        if ($format eq 'html') {
2810                my $refs = git_get_references();
2811                my $ref = format_ref_marker($refs, $co{'id'});
2812                my $formats_nav =
2813                        $cgi->a({-href => href(action=>"commitdiff_plain",
2814                                               hash=>$hash, hash_parent=>$hash_parent)},
2815                                "plain");
2816
2817                git_header_html(undef, $expires);
2818                git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
2819                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
2820                print "<div class=\"page_body\">\n";
2821                print "<div class=\"log\">\n";
2822                git_print_simplified_log($co{'comment'}, 1); # skip title
2823                print "</div>\n"; # class="log"
2824
2825        } elsif ($format eq 'plain') {
2826                my $refs = git_get_references("tags");
2827                my @tagnames;
2828                if (exists $refs->{$hash}) {
2829                        @tagnames = map { s|^tags/|| } $refs->{$hash};
2830                }
2831                my $filename = basename($project) . "-$hash.patch";
2832
2833                print $cgi->header(
2834                        -type => 'text/plain',
2835                        -charset => 'utf-8',
2836                        -expires => $expires,
2837                        -content_disposition => qq(inline; filename="$filename"));
2838                my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2839                print <<TEXT;
2840From: $co{'author'}
2841Date: $ad{'rfc2822'} ($ad{'tz_local'})
2842Subject: $co{'title'}
2843TEXT
2844                foreach my $tag (@tagnames) {
2845                        print "X-Git-Tag: $tag\n";
2846                }
2847                print "X-Git-Url: " . $cgi->self_url() . "\n\n";
2848                foreach my $line (@{$co{'comment'}}) {
2849                        print "$line\n";
2850                }
2851                print "---\n\n";
2852        }
2853
2854        # write patch
2855        if ($format eq 'html') {
2856                #git_difftree_body(\@difftree, $hash, $hash_parent);
2857                #print "<br/>\n";
2858
2859                git_patchset_body($fd, \@difftree, $hash, $hash_parent);
2860                close $fd;
2861                print "</div>\n"; # class="page_body"
2862                git_footer_html();
2863
2864        } elsif ($format eq 'plain') {
2865                local $/ = undef;
2866                print <$fd>;
2867                close $fd
2868                        or print "Reading git-diff-tree failed\n";
2869        }
2870}
2871
2872sub git_commitdiff_plain {
2873        git_commitdiff('plain');
2874}
2875
2876sub git_history {
2877        if (!defined $hash_base) {
2878                $hash_base = git_get_head_hash($project);
2879        }
2880        my $ftype;
2881        my %co = parse_commit($hash_base);
2882        if (!%co) {
2883                die_error(undef, "Unknown commit object");
2884        }
2885        my $refs = git_get_references();
2886        git_header_html();
2887        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base);
2888        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2889        if (!defined $hash && defined $file_name) {
2890                $hash = git_get_hash_by_path($hash_base, $file_name);
2891        }
2892        if (defined $hash) {
2893                $ftype = git_get_type($hash);
2894        }
2895        git_print_page_path($file_name, $ftype, $hash_base);
2896
2897        open my $fd, "-|",
2898                $GIT, "rev-list", "--full-history", $hash_base, "--", $file_name;
2899        git_history_body($fd, $refs, $hash_base, $ftype);
2900
2901        close $fd;
2902        git_footer_html();
2903}
2904
2905sub git_search {
2906        if (!defined $searchtext) {
2907                die_error(undef, "Text field empty");
2908        }
2909        if (!defined $hash) {
2910                $hash = git_get_head_hash($project);
2911        }
2912        my %co = parse_commit($hash);
2913        if (!%co) {
2914                die_error(undef, "Unknown commit object");
2915        }
2916        # pickaxe may take all resources of your box and run for several minutes
2917        # with every query - so decide by yourself how public you make this feature :)
2918        my $commit_search = 1;
2919        my $author_search = 0;
2920        my $committer_search = 0;
2921        my $pickaxe_search = 0;
2922        if ($searchtext =~ s/^author\\://i) {
2923                $author_search = 1;
2924        } elsif ($searchtext =~ s/^committer\\://i) {
2925                $committer_search = 1;
2926        } elsif ($searchtext =~ s/^pickaxe\\://i) {
2927                $commit_search = 0;
2928                $pickaxe_search = 1;
2929        }
2930        git_header_html();
2931        git_print_page_nav('','', $hash,$co{'tree'},$hash);
2932        git_print_header_div('commit', esc_html($co{'title'}), $hash);
2933
2934        print "<table cellspacing=\"0\">\n";
2935        my $alternate = 0;
2936        if ($commit_search) {
2937                $/ = "\0";
2938                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", $hash or next;
2939                while (my $commit_text = <$fd>) {
2940                        if (!grep m/$searchtext/i, $commit_text) {
2941                                next;
2942                        }
2943                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2944                                next;
2945                        }
2946                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2947                                next;
2948                        }
2949                        my @commit_lines = split "\n", $commit_text;
2950                        my %co = parse_commit(undef, \@commit_lines);
2951                        if (!%co) {
2952                                next;
2953                        }
2954                        if ($alternate) {
2955                                print "<tr class=\"dark\">\n";
2956                        } else {
2957                                print "<tr class=\"light\">\n";
2958                        }
2959                        $alternate ^= 1;
2960                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2961                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2962                              "<td>" .
2963                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), -class => "list subject"},
2964                                       esc_html(chop_str($co{'title'}, 50)) . "<br/>");
2965                        my $comment = $co{'comment'};
2966                        foreach my $line (@$comment) {
2967                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2968                                        my $lead = esc_html($1) || "";
2969                                        $lead = chop_str($lead, 30, 10);
2970                                        my $match = esc_html($2) || "";
2971                                        my $trail = esc_html($3) || "";
2972                                        $trail = chop_str($trail, 30, 10);
2973                                        my $text = "$lead<span class=\"match\">$match</span>$trail";
2974                                        print chop_str($text, 80, 5) . "<br/>\n";
2975                                }
2976                        }
2977                        print "</td>\n" .
2978                              "<td class=\"link\">" .
2979                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
2980                              " | " .
2981                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
2982                        print "</td>\n" .
2983                              "</tr>\n";
2984                }
2985                close $fd;
2986        }
2987
2988        if ($pickaxe_search) {
2989                $/ = "\n";
2990                open my $fd, "-|", "$GIT rev-list $hash | $GIT diff-tree -r --stdin -S\'$searchtext\'";
2991                undef %co;
2992                my @files;
2993                while (my $line = <$fd>) {
2994                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2995                                my %set;
2996                                $set{'file'} = $6;
2997                                $set{'from_id'} = $3;
2998                                $set{'to_id'} = $4;
2999                                $set{'id'} = $set{'to_id'};
3000                                if ($set{'id'} =~ m/0{40}/) {
3001                                        $set{'id'} = $set{'from_id'};
3002                                }
3003                                if ($set{'id'} =~ m/0{40}/) {
3004                                        next;
3005                                }
3006                                push @files, \%set;
3007                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
3008                                if (%co) {
3009                                        if ($alternate) {
3010                                                print "<tr class=\"dark\">\n";
3011                                        } else {
3012                                                print "<tr class=\"light\">\n";
3013                                        }
3014                                        $alternate ^= 1;
3015                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3016                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3017                                              "<td>" .
3018                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
3019                                                      -class => "list subject"},
3020                                                      esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3021                                        while (my $setref = shift @files) {
3022                                                my %set = %$setref;
3023                                                print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
3024                                                                             hash=>$set{'id'}, file_name=>$set{'file'}),
3025                                                              -class => "list"},
3026                                                              "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
3027                                                      "<br/>\n";
3028                                        }
3029                                        print "</td>\n" .
3030                                              "<td class=\"link\">" .
3031                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3032                                              " | " .
3033                                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3034                                        print "</td>\n" .
3035                                              "</tr>\n";
3036                                }
3037                                %co = parse_commit($1);
3038                        }
3039                }
3040                close $fd;
3041        }
3042        print "</table>\n";
3043        git_footer_html();
3044}
3045
3046sub git_shortlog {
3047        my $head = git_get_head_hash($project);
3048        if (!defined $hash) {
3049                $hash = $head;
3050        }
3051        if (!defined $page) {
3052                $page = 0;
3053        }
3054        my $refs = git_get_references();
3055
3056        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3057        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
3058                or die_error(undef, "Open git-rev-list failed");
3059        my @revlist = map { chomp; $_ } <$fd>;
3060        close $fd;
3061
3062        my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#revlist);
3063        my $next_link = '';
3064        if ($#revlist >= (100 * ($page+1)-1)) {
3065                $next_link =
3066                        $cgi->a({-href => href(action=>"shortlog", hash=>$hash, page=>$page+1),
3067                                 -title => "Alt-n"}, "next");
3068        }
3069
3070
3071        git_header_html();
3072        git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
3073        git_print_header_div('summary', $project);
3074
3075        git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
3076
3077        git_footer_html();
3078}
3079
3080## ......................................................................
3081## feeds (RSS, OPML)
3082
3083sub git_rss {
3084        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
3085        open my $fd, "-|", $GIT, "rev-list", "--max-count=150", git_get_head_hash($project)
3086                or die_error(undef, "Open git-rev-list failed");
3087        my @revlist = map { chomp; $_ } <$fd>;
3088        close $fd or die_error(undef, "Reading git-rev-list failed");
3089        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3090        print <<XML;
3091<?xml version="1.0" encoding="utf-8"?>
3092<rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
3093<channel>
3094<title>$project $my_uri $my_url</title>
3095<link>${\esc_html("$my_url?p=$project;a=summary")}</link>
3096<description>$project log</description>
3097<language>en</language>
3098XML
3099
3100        for (my $i = 0; $i <= $#revlist; $i++) {
3101                my $commit = $revlist[$i];
3102                my %co = parse_commit($commit);
3103                # we read 150, we always show 30 and the ones more recent than 48 hours
3104                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
3105                        last;
3106                }
3107                my %cd = parse_date($co{'committer_epoch'});
3108                open $fd, "-|", $GIT, "diff-tree", '-r', $co{'parent'}, $co{'id'} or next;
3109                my @difftree = map { chomp; $_ } <$fd>;
3110                close $fd or next;
3111                print "<item>\n" .
3112                      "<title>" .
3113                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
3114                      "</title>\n" .
3115                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
3116                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
3117                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
3118                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
3119                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
3120                      "<content:encoded>" .
3121                      "<![CDATA[\n";
3122                my $comment = $co{'comment'};
3123                foreach my $line (@$comment) {
3124                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
3125                        print "$line<br/>\n";
3126                }
3127                print "<br/>\n";
3128                foreach my $line (@difftree) {
3129                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
3130                                next;
3131                        }
3132                        my $file = validate_input(unquote($7));
3133                        $file = decode("utf8", $file, Encode::FB_DEFAULT);
3134                        print "$file<br/>\n";
3135                }
3136                print "]]>\n" .
3137                      "</content:encoded>\n" .
3138                      "</item>\n";
3139        }
3140        print "</channel></rss>";
3141}
3142
3143sub git_opml {
3144        my @list = git_get_projects_list();
3145
3146        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3147        print <<XML;
3148<?xml version="1.0" encoding="utf-8"?>
3149<opml version="1.0">
3150<head>
3151  <title>$site_name Git OPML Export</title>
3152</head>
3153<body>
3154<outline text="git RSS feeds">
3155XML
3156
3157        foreach my $pr (@list) {
3158                my %proj = %$pr;
3159                my $head = git_get_head_hash($proj{'path'});
3160                if (!defined $head) {
3161                        next;
3162                }
3163                $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
3164                my %co = parse_commit($head);
3165                if (!%co) {
3166                        next;
3167                }
3168
3169                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
3170                my $rss  = "$my_url?p=$proj{'path'};a=rss";
3171                my $html = "$my_url?p=$proj{'path'};a=summary";
3172                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
3173        }
3174        print <<XML;
3175</outline>
3176</body>
3177</opml>
3178XML
3179}