1d3a4c1e5bdd7c2a81d6c35929b989e4153ed743
   1#!/usr/bin/perl
   2
   3# gitweb - simple web interface to track changes in git repositories
   4#
   5# (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
   6# (C) 2005, Christian Gierke
   7#
   8# This program is licensed under the GPLv2
   9
  10use strict;
  11use warnings;
  12use CGI qw(:standard :escapeHTML -nosticky);
  13use CGI::Util qw(unescape);
  14use CGI::Carp qw(fatalsToBrowser);
  15use Encode;
  16use Fcntl ':mode';
  17use File::Find qw();
  18use File::Basename qw(basename);
  19binmode STDOUT, ':utf8';
  20
  21our $cgi = new CGI;
  22our $version = "++GIT_VERSION++";
  23our $my_url = $cgi->url();
  24our $my_uri = $cgi->url(-absolute => 1);
  25
  26# core git executable to use
  27# this can just be "git" if your webserver has a sensible PATH
  28our $GIT = "++GIT_BINDIR++/git";
  29
  30# absolute fs-path which will be prepended to the project path
  31#our $projectroot = "/pub/scm";
  32our $projectroot = "++GITWEB_PROJECTROOT++";
  33
  34# target of the home link on top of all pages
  35our $home_link = $my_uri || "/";
  36
  37# string of the home link on top of all pages
  38our $home_link_str = "++GITWEB_HOME_LINK_STR++";
  39
  40# name of your site or organization to appear in page titles
  41# replace this with something more descriptive for clearer bookmarks
  42our $site_name = "++GITWEB_SITENAME++" || $ENV{'SERVER_NAME'} || "Untitled";
  43
  44# html text to include at home page
  45our $home_text = "++GITWEB_HOMETEXT++";
  46
  47# URI of default stylesheet
  48our $stylesheet = "++GITWEB_CSS++";
  49# URI of GIT logo
  50our $logo = "++GITWEB_LOGO++";
  51# URI of GIT favicon, assumed to be image/png type
  52our $favicon = "++GITWEB_FAVICON++";
  53
  54# source of projects list
  55our $projects_list = "++GITWEB_LIST++";
  56
  57# list of git base URLs used for URL to where fetch project from,
  58# i.e. full URL is "$git_base_url/$project"
  59our @git_base_url_list = ("++GITWEB_BASE_URL++");
  60
  61# default blob_plain mimetype and default charset for text/plain blob
  62our $default_blob_plain_mimetype = 'text/plain';
  63our $default_text_plain_charset  = undef;
  64
  65# file to use for guessing MIME types before trying /etc/mime.types
  66# (relative to the current git repository)
  67our $mimetypes_file = undef;
  68
  69# You define site-wide feature defaults here; override them with
  70# $GITWEB_CONFIG as necessary.
  71our %feature = (
  72        # feature => {
  73        #       'sub' => feature-sub (subroutine),
  74        #       'override' => allow-override (boolean),
  75        #       'default' => [ default options...] (array reference)}
  76        #
  77        # if feature is overridable (it means that allow-override has true value,
  78        # then feature-sub will be called with default options as parameters;
  79        # return value of feature-sub indicates if to enable specified feature
  80        #
  81        # use gitweb_check_feature(<feature>) to check if <feature> is enabled
  82
  83        'blame' => {
  84                'sub' => \&feature_blame,
  85                'override' => 0,
  86                'default' => [0]},
  87
  88        'snapshot' => {
  89                'sub' => \&feature_snapshot,
  90                'override' => 0,
  91                #         => [content-encoding, suffix, program]
  92                'default' => ['x-gzip', 'gz', 'gzip']},
  93
  94        'pickaxe' => {
  95                'sub' => \&feature_pickaxe,
  96                'override' => 0,
  97                'default' => [1]},
  98);
  99
 100sub gitweb_check_feature {
 101        my ($name) = @_;
 102        return undef unless exists $feature{$name};
 103        my ($sub, $override, @defaults) = (
 104                $feature{$name}{'sub'},
 105                $feature{$name}{'override'},
 106                @{$feature{$name}{'default'}});
 107        if (!$override) { return @defaults; }
 108        return $sub->(@defaults);
 109}
 110
 111# To enable system wide have in $GITWEB_CONFIG
 112# $feature{'blame'}{'default'} = [1];
 113# To have project specific config enable override in $GITWEB_CONFIG
 114# $feature{'blame'}{'override'} = 1;
 115# and in project config gitweb.blame = 0|1;
 116
 117sub feature_blame {
 118        my ($val) = git_get_project_config('blame', '--bool');
 119
 120        if ($val eq 'true') {
 121                return 1;
 122        } elsif ($val eq 'false') {
 123                return 0;
 124        }
 125
 126        return $_[0];
 127}
 128
 129# To disable system wide have in $GITWEB_CONFIG
 130# $feature{'snapshot'}{'default'} = [undef];
 131# To have project specific config enable override in $GITWEB_CONFIG
 132# $feature{'blame'}{'override'} = 1;
 133# and in project config  gitweb.snapshot = none|gzip|bzip2
 134
 135sub feature_snapshot {
 136        my ($ctype, $suffix, $command) = @_;
 137
 138        my ($val) = git_get_project_config('snapshot');
 139
 140        if ($val eq 'gzip') {
 141                return ('x-gzip', 'gz', 'gzip');
 142        } elsif ($val eq 'bzip2') {
 143                return ('x-bzip2', 'bz2', 'bzip2');
 144        } elsif ($val eq 'none') {
 145                return ();
 146        }
 147
 148        return ($ctype, $suffix, $command);
 149}
 150
 151# To enable system wide have in $GITWEB_CONFIG
 152# $feature{'pickaxe'}{'default'} = [1];
 153# To have project specific config enable override in $GITWEB_CONFIG
 154# $feature{'pickaxe'}{'override'} = 1;
 155# and in project config gitweb.pickaxe = 0|1;
 156
 157sub feature_pickaxe {
 158        my ($val) = git_get_project_config('pickaxe', '--bool');
 159
 160        if ($val eq 'true') {
 161                return (1);
 162        } elsif ($val eq 'false') {
 163                return (0);
 164        }
 165
 166        return ($_[0]);
 167}
 168
 169# rename detection options for git-diff and git-diff-tree
 170# - default is '-M', with the cost proportional to
 171#   (number of removed files) * (number of new files).
 172# - more costly is '-C' (or '-C', '-M'), with the cost proportional to
 173#   (number of changed files + number of removed files) * (number of new files)
 174# - even more costly is '-C', '--find-copies-harder' with cost
 175#   (number of files in the original tree) * (number of new files)
 176# - one might want to include '-B' option, e.g. '-B', '-M'
 177our @diff_opts = ('-M'); # taken from git_commit
 178
 179our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
 180do $GITWEB_CONFIG if -e $GITWEB_CONFIG;
 181
 182# version of the core git binary
 183our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
 184
 185# path to the current git repository
 186our $git_dir;
 187
 188$projects_list ||= $projectroot;
 189
 190# ======================================================================
 191# input validation and dispatch
 192our $action = $cgi->param('a');
 193if (defined $action) {
 194        if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
 195                die_error(undef, "Invalid action parameter");
 196        }
 197}
 198
 199our $project = ($cgi->param('p') || $ENV{'PATH_INFO'});
 200if (defined $project) {
 201        $project =~ s|^/||;
 202        $project =~ s|/$||;
 203        $project = undef unless $project;
 204}
 205if (defined $project) {
 206        if (!validate_input($project)) {
 207                die_error(undef, "Invalid project parameter");
 208        }
 209        if (!(-d "$projectroot/$project")) {
 210                die_error(undef, "No such directory");
 211        }
 212        if (!(-e "$projectroot/$project/HEAD")) {
 213                die_error(undef, "No such project");
 214        }
 215        $git_dir = "$projectroot/$project";
 216}
 217
 218our $file_name = $cgi->param('f');
 219if (defined $file_name) {
 220        if (!validate_input($file_name)) {
 221                die_error(undef, "Invalid file parameter");
 222        }
 223}
 224
 225our $file_parent = $cgi->param('fp');
 226if (defined $file_parent) {
 227        if (!validate_input($file_parent)) {
 228                die_error(undef, "Invalid file parent parameter");
 229        }
 230}
 231
 232our $hash = $cgi->param('h');
 233if (defined $hash) {
 234        if (!validate_input($hash)) {
 235                die_error(undef, "Invalid hash parameter");
 236        }
 237}
 238
 239our $hash_parent = $cgi->param('hp');
 240if (defined $hash_parent) {
 241        if (!validate_input($hash_parent)) {
 242                die_error(undef, "Invalid hash parent parameter");
 243        }
 244}
 245
 246our $hash_base = $cgi->param('hb');
 247if (defined $hash_base) {
 248        if (!validate_input($hash_base)) {
 249                die_error(undef, "Invalid hash base parameter");
 250        }
 251}
 252
 253our $hash_parent_base = $cgi->param('hpb');
 254if (defined $hash_parent_base) {
 255        if (!validate_input($hash_parent_base)) {
 256                die_error(undef, "Invalid hash parent base parameter");
 257        }
 258}
 259
 260our $page = $cgi->param('pg');
 261if (defined $page) {
 262        if ($page =~ m/[^0-9]$/) {
 263                die_error(undef, "Invalid page parameter");
 264        }
 265}
 266
 267our $searchtext = $cgi->param('s');
 268if (defined $searchtext) {
 269        if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 270                die_error(undef, "Invalid search parameter");
 271        }
 272        $searchtext = quotemeta $searchtext;
 273}
 274
 275# dispatch
 276my %actions = (
 277        "blame" => \&git_blame2,
 278        "blobdiff" => \&git_blobdiff,
 279        "blobdiff_plain" => \&git_blobdiff_plain,
 280        "blob" => \&git_blob,
 281        "blob_plain" => \&git_blob_plain,
 282        "commitdiff" => \&git_commitdiff,
 283        "commitdiff_plain" => \&git_commitdiff_plain,
 284        "commit" => \&git_commit,
 285        "heads" => \&git_heads,
 286        "history" => \&git_history,
 287        "log" => \&git_log,
 288        "rss" => \&git_rss,
 289        "search" => \&git_search,
 290        "shortlog" => \&git_shortlog,
 291        "summary" => \&git_summary,
 292        "tag" => \&git_tag,
 293        "tags" => \&git_tags,
 294        "tree" => \&git_tree,
 295        "snapshot" => \&git_snapshot,
 296        # those below don't need $project
 297        "opml" => \&git_opml,
 298        "project_list" => \&git_project_list,
 299);
 300
 301if (defined $project) {
 302        $action ||= 'summary';
 303} else {
 304        $action ||= 'project_list';
 305}
 306if (!defined($actions{$action})) {
 307        die_error(undef, "Unknown action");
 308}
 309$actions{$action}->();
 310exit;
 311
 312## ======================================================================
 313## action links
 314
 315sub href(%) {
 316        my %params = @_;
 317
 318        my @mapping = (
 319                project => "p",
 320                action => "a",
 321                file_name => "f",
 322                file_parent => "fp",
 323                hash => "h",
 324                hash_parent => "hp",
 325                hash_base => "hb",
 326                hash_parent_base => "hpb",
 327                page => "pg",
 328                searchtext => "s",
 329        );
 330        my %mapping = @mapping;
 331
 332        $params{"project"} ||= $project;
 333
 334        my @result = ();
 335        for (my $i = 0; $i < @mapping; $i += 2) {
 336                my ($name, $symbol) = ($mapping[$i], $mapping[$i+1]);
 337                if (defined $params{$name}) {
 338                        push @result, $symbol . "=" . esc_param($params{$name});
 339                }
 340        }
 341        return "$my_uri?" . join(';', @result);
 342}
 343
 344
 345## ======================================================================
 346## validation, quoting/unquoting and escaping
 347
 348sub validate_input {
 349        my $input = shift;
 350
 351        if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 352                return $input;
 353        }
 354        if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 355                return undef;
 356        }
 357        if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
 358                return undef;
 359        }
 360        return $input;
 361}
 362
 363# quote unsafe chars, but keep the slash, even when it's not
 364# correct, but quoted slashes look too horrible in bookmarks
 365sub esc_param {
 366        my $str = shift;
 367        $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 368        $str =~ s/\+/%2B/g;
 369        $str =~ s/ /\+/g;
 370        return $str;
 371}
 372
 373# replace invalid utf8 character with SUBSTITUTION sequence
 374sub esc_html {
 375        my $str = shift;
 376        $str = decode("utf8", $str, Encode::FB_DEFAULT);
 377        $str = escapeHTML($str);
 378        $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
 379        return $str;
 380}
 381
 382# git may return quoted and escaped filenames
 383sub unquote {
 384        my $str = shift;
 385        if ($str =~ m/^"(.*)"$/) {
 386                $str = $1;
 387                $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 388        }
 389        return $str;
 390}
 391
 392# escape tabs (convert tabs to spaces)
 393sub untabify {
 394        my $line = shift;
 395
 396        while ((my $pos = index($line, "\t")) != -1) {
 397                if (my $count = (8 - ($pos % 8))) {
 398                        my $spaces = ' ' x $count;
 399                        $line =~ s/\t/$spaces/;
 400                }
 401        }
 402
 403        return $line;
 404}
 405
 406## ----------------------------------------------------------------------
 407## HTML aware string manipulation
 408
 409sub chop_str {
 410        my $str = shift;
 411        my $len = shift;
 412        my $add_len = shift || 10;
 413
 414        # allow only $len chars, but don't cut a word if it would fit in $add_len
 415        # if it doesn't fit, cut it if it's still longer than the dots we would add
 416        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 417        my $body = $1;
 418        my $tail = $2;
 419        if (length($tail) > 4) {
 420                $tail = " ...";
 421                $body =~ s/&[^;]*$//; # remove chopped character entities
 422        }
 423        return "$body$tail";
 424}
 425
 426## ----------------------------------------------------------------------
 427## functions returning short strings
 428
 429# CSS class for given age value (in seconds)
 430sub age_class {
 431        my $age = shift;
 432
 433        if ($age < 60*60*2) {
 434                return "age0";
 435        } elsif ($age < 60*60*24*2) {
 436                return "age1";
 437        } else {
 438                return "age2";
 439        }
 440}
 441
 442# convert age in seconds to "nn units ago" string
 443sub age_string {
 444        my $age = shift;
 445        my $age_str;
 446
 447        if ($age > 60*60*24*365*2) {
 448                $age_str = (int $age/60/60/24/365);
 449                $age_str .= " years ago";
 450        } elsif ($age > 60*60*24*(365/12)*2) {
 451                $age_str = int $age/60/60/24/(365/12);
 452                $age_str .= " months ago";
 453        } elsif ($age > 60*60*24*7*2) {
 454                $age_str = int $age/60/60/24/7;
 455                $age_str .= " weeks ago";
 456        } elsif ($age > 60*60*24*2) {
 457                $age_str = int $age/60/60/24;
 458                $age_str .= " days ago";
 459        } elsif ($age > 60*60*2) {
 460                $age_str = int $age/60/60;
 461                $age_str .= " hours ago";
 462        } elsif ($age > 60*2) {
 463                $age_str = int $age/60;
 464                $age_str .= " min ago";
 465        } elsif ($age > 2) {
 466                $age_str = int $age;
 467                $age_str .= " sec ago";
 468        } else {
 469                $age_str .= " right now";
 470        }
 471        return $age_str;
 472}
 473
 474# convert file mode in octal to symbolic file mode string
 475sub mode_str {
 476        my $mode = oct shift;
 477
 478        if (S_ISDIR($mode & S_IFMT)) {
 479                return 'drwxr-xr-x';
 480        } elsif (S_ISLNK($mode)) {
 481                return 'lrwxrwxrwx';
 482        } elsif (S_ISREG($mode)) {
 483                # git cares only about the executable bit
 484                if ($mode & S_IXUSR) {
 485                        return '-rwxr-xr-x';
 486                } else {
 487                        return '-rw-r--r--';
 488                };
 489        } else {
 490                return '----------';
 491        }
 492}
 493
 494# convert file mode in octal to file type string
 495sub file_type {
 496        my $mode = shift;
 497
 498        if ($mode !~ m/^[0-7]+$/) {
 499                return $mode;
 500        } else {
 501                $mode = oct $mode;
 502        }
 503
 504        if (S_ISDIR($mode & S_IFMT)) {
 505                return "directory";
 506        } elsif (S_ISLNK($mode)) {
 507                return "symlink";
 508        } elsif (S_ISREG($mode)) {
 509                return "file";
 510        } else {
 511                return "unknown";
 512        }
 513}
 514
 515## ----------------------------------------------------------------------
 516## functions returning short HTML fragments, or transforming HTML fragments
 517## which don't beling to other sections
 518
 519# format line of commit message or tag comment
 520sub format_log_line_html {
 521        my $line = shift;
 522
 523        $line = esc_html($line);
 524        $line =~ s/ /&nbsp;/g;
 525        if ($line =~ m/([0-9a-fA-F]{40})/) {
 526                my $hash_text = $1;
 527                if (git_get_type($hash_text) eq "commit") {
 528                        my $link =
 529                                $cgi->a({-href => href(action=>"commit", hash=>$hash_text),
 530                                        -class => "text"}, $hash_text);
 531                        $line =~ s/$hash_text/$link/;
 532                }
 533        }
 534        return $line;
 535}
 536
 537# format marker of refs pointing to given object
 538sub format_ref_marker {
 539        my ($refs, $id) = @_;
 540        my $markers = '';
 541
 542        if (defined $refs->{$id}) {
 543                foreach my $ref (@{$refs->{$id}}) {
 544                        my ($type, $name) = qw();
 545                        # e.g. tags/v2.6.11 or heads/next
 546                        if ($ref =~ m!^(.*?)s?/(.*)$!) {
 547                                $type = $1;
 548                                $name = $2;
 549                        } else {
 550                                $type = "ref";
 551                                $name = $ref;
 552                        }
 553
 554                        $markers .= " <span class=\"$type\">" . esc_html($name) . "</span>";
 555                }
 556        }
 557
 558        if ($markers) {
 559                return ' <span class="refs">'. $markers . '</span>';
 560        } else {
 561                return "";
 562        }
 563}
 564
 565# format, perhaps shortened and with markers, title line
 566sub format_subject_html {
 567        my ($long, $short, $href, $extra) = @_;
 568        $extra = '' unless defined($extra);
 569
 570        if (length($short) < length($long)) {
 571                return $cgi->a({-href => $href, -class => "list subject",
 572                                -title => $long},
 573                       esc_html($short) . $extra);
 574        } else {
 575                return $cgi->a({-href => $href, -class => "list subject"},
 576                       esc_html($long)  . $extra);
 577        }
 578}
 579
 580sub format_diff_line {
 581        my $line = shift;
 582        my $char = substr($line, 0, 1);
 583        my $diff_class = "";
 584
 585        chomp $line;
 586
 587        if ($char eq '+') {
 588                $diff_class = " add";
 589        } elsif ($char eq "-") {
 590                $diff_class = " rem";
 591        } elsif ($char eq "@") {
 592                $diff_class = " chunk_header";
 593        } elsif ($char eq "\\") {
 594                $diff_class = " incomplete";
 595        }
 596        $line = untabify($line);
 597        return "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
 598}
 599
 600## ----------------------------------------------------------------------
 601## git utility subroutines, invoking git commands
 602
 603# returns path to the core git executable and the --git-dir parameter as list
 604sub git_cmd {
 605        return $GIT, '--git-dir='.$git_dir;
 606}
 607
 608# returns path to the core git executable and the --git-dir parameter as string
 609sub git_cmd_str {
 610        return join(' ', git_cmd());
 611}
 612
 613# get HEAD ref of given project as hash
 614sub git_get_head_hash {
 615        my $project = shift;
 616        my $o_git_dir = $git_dir;
 617        my $retval = undef;
 618        $git_dir = "$projectroot/$project";
 619        if (open my $fd, "-|", git_cmd(), "rev-parse", "--verify", "HEAD") {
 620                my $head = <$fd>;
 621                close $fd;
 622                if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 623                        $retval = $1;
 624                }
 625        }
 626        if (defined $o_git_dir) {
 627                $git_dir = $o_git_dir;
 628        }
 629        return $retval;
 630}
 631
 632# get type of given object
 633sub git_get_type {
 634        my $hash = shift;
 635
 636        open my $fd, "-|", git_cmd(), "cat-file", '-t', $hash or return;
 637        my $type = <$fd>;
 638        close $fd or return;
 639        chomp $type;
 640        return $type;
 641}
 642
 643sub git_get_project_config {
 644        my ($key, $type) = @_;
 645
 646        return unless ($key);
 647        $key =~ s/^gitweb\.//;
 648        return if ($key =~ m/\W/);
 649
 650        my @x = (git_cmd(), 'repo-config');
 651        if (defined $type) { push @x, $type; }
 652        push @x, "--get";
 653        push @x, "gitweb.$key";
 654        my $val = qx(@x);
 655        chomp $val;
 656        return ($val);
 657}
 658
 659# get hash of given path at given ref
 660sub git_get_hash_by_path {
 661        my $base = shift;
 662        my $path = shift || return undef;
 663
 664        my $tree = $base;
 665
 666        open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path
 667                or die_error(undef, "Open git-ls-tree failed");
 668        my $line = <$fd>;
 669        close $fd or return undef;
 670
 671        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
 672        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
 673        return $3;
 674}
 675
 676## ......................................................................
 677## git utility functions, directly accessing git repository
 678
 679# assumes that PATH is not symref
 680sub git_get_hash_by_ref {
 681        my $path = shift;
 682
 683        open my $fd, "$projectroot/$path" or return undef;
 684        my $head = <$fd>;
 685        close $fd;
 686        chomp $head;
 687        if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 688                return $head;
 689        }
 690}
 691
 692sub git_get_project_description {
 693        my $path = shift;
 694
 695        open my $fd, "$projectroot/$path/description" or return undef;
 696        my $descr = <$fd>;
 697        close $fd;
 698        chomp $descr;
 699        return $descr;
 700}
 701
 702sub git_get_project_url_list {
 703        my $path = shift;
 704
 705        open my $fd, "$projectroot/$path/cloneurl" or return undef;
 706        my @git_project_url_list = map { chomp; $_ } <$fd>;
 707        close $fd;
 708
 709        return wantarray ? @git_project_url_list : \@git_project_url_list;
 710}
 711
 712sub git_get_projects_list {
 713        my @list;
 714
 715        if (-d $projects_list) {
 716                # search in directory
 717                my $dir = $projects_list;
 718                my $pfxlen = length("$dir");
 719
 720                File::Find::find({
 721                        follow_fast => 1, # follow symbolic links
 722                        dangling_symlinks => 0, # ignore dangling symlinks, silently
 723                        wanted => sub {
 724                                # skip project-list toplevel, if we get it.
 725                                return if (m!^[/.]$!);
 726                                # only directories can be git repositories
 727                                return unless (-d $_);
 728
 729                                my $subdir = substr($File::Find::name, $pfxlen + 1);
 730                                # we check related file in $projectroot
 731                                if (-e "$projectroot/$subdir/HEAD") {
 732                                        push @list, { path => $subdir };
 733                                        $File::Find::prune = 1;
 734                                }
 735                        },
 736                }, "$dir");
 737
 738        } elsif (-f $projects_list) {
 739                # read from file(url-encoded):
 740                # 'git%2Fgit.git Linus+Torvalds'
 741                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 742                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 743                open my ($fd), $projects_list or return undef;
 744                while (my $line = <$fd>) {
 745                        chomp $line;
 746                        my ($path, $owner) = split ' ', $line;
 747                        $path = unescape($path);
 748                        $owner = unescape($owner);
 749                        if (!defined $path) {
 750                                next;
 751                        }
 752                        if (-e "$projectroot/$path/HEAD") {
 753                                my $pr = {
 754                                        path => $path,
 755                                        owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 756                                };
 757                                push @list, $pr
 758                        }
 759                }
 760                close $fd;
 761        }
 762        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 763        return @list;
 764}
 765
 766sub git_get_project_owner {
 767        my $project = shift;
 768        my $owner;
 769
 770        return undef unless $project;
 771
 772        # read from file (url-encoded):
 773        # 'git%2Fgit.git Linus+Torvalds'
 774        # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 775        # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 776        if (-f $projects_list) {
 777                open (my $fd , $projects_list);
 778                while (my $line = <$fd>) {
 779                        chomp $line;
 780                        my ($pr, $ow) = split ' ', $line;
 781                        $pr = unescape($pr);
 782                        $ow = unescape($ow);
 783                        if ($pr eq $project) {
 784                                $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
 785                                last;
 786                        }
 787                }
 788                close $fd;
 789        }
 790        if (!defined $owner) {
 791                $owner = get_file_owner("$projectroot/$project");
 792        }
 793
 794        return $owner;
 795}
 796
 797sub git_get_references {
 798        my $type = shift || "";
 799        my %refs;
 800        my $fd;
 801        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 802        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 803        if (-f "$projectroot/$project/info/refs") {
 804                open $fd, "$projectroot/$project/info/refs"
 805                        or return;
 806        } else {
 807                open $fd, "-|", git_cmd(), "ls-remote", "."
 808                        or return;
 809        }
 810
 811        while (my $line = <$fd>) {
 812                chomp $line;
 813                if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?[^\^]+)/) {
 814                        if (defined $refs{$1}) {
 815                                push @{$refs{$1}}, $2;
 816                        } else {
 817                                $refs{$1} = [ $2 ];
 818                        }
 819                }
 820        }
 821        close $fd or return;
 822        return \%refs;
 823}
 824
 825sub git_get_rev_name_tags {
 826        my $hash = shift || return undef;
 827
 828        open my $fd, "-|", git_cmd(), "name-rev", "--tags", $hash
 829                or return;
 830        my $name_rev = <$fd>;
 831        close $fd;
 832
 833        if ($name_rev =~ m|^$hash tags/(.*)$|) {
 834                return $1;
 835        } else {
 836                # catches also '$hash undefined' output
 837                return undef;
 838        }
 839}
 840
 841## ----------------------------------------------------------------------
 842## parse to hash functions
 843
 844sub parse_date {
 845        my $epoch = shift;
 846        my $tz = shift || "-0000";
 847
 848        my %date;
 849        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 850        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 851        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 852        $date{'hour'} = $hour;
 853        $date{'minute'} = $min;
 854        $date{'mday'} = $mday;
 855        $date{'day'} = $days[$wday];
 856        $date{'month'} = $months[$mon];
 857        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
 858                           $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 859        $date{'mday-time'} = sprintf "%d %s %02d:%02d",
 860                             $mday, $months[$mon], $hour ,$min;
 861
 862        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 863        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 864        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 865        $date{'hour_local'} = $hour;
 866        $date{'minute_local'} = $min;
 867        $date{'tz_local'} = $tz;
 868        return %date;
 869}
 870
 871sub parse_tag {
 872        my $tag_id = shift;
 873        my %tag;
 874        my @comment;
 875
 876        open my $fd, "-|", git_cmd(), "cat-file", "tag", $tag_id or return;
 877        $tag{'id'} = $tag_id;
 878        while (my $line = <$fd>) {
 879                chomp $line;
 880                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 881                        $tag{'object'} = $1;
 882                } elsif ($line =~ m/^type (.+)$/) {
 883                        $tag{'type'} = $1;
 884                } elsif ($line =~ m/^tag (.+)$/) {
 885                        $tag{'name'} = $1;
 886                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 887                        $tag{'author'} = $1;
 888                        $tag{'epoch'} = $2;
 889                        $tag{'tz'} = $3;
 890                } elsif ($line =~ m/--BEGIN/) {
 891                        push @comment, $line;
 892                        last;
 893                } elsif ($line eq "") {
 894                        last;
 895                }
 896        }
 897        push @comment, <$fd>;
 898        $tag{'comment'} = \@comment;
 899        close $fd or return;
 900        if (!defined $tag{'name'}) {
 901                return
 902        };
 903        return %tag
 904}
 905
 906sub parse_commit {
 907        my $commit_id = shift;
 908        my $commit_text = shift;
 909
 910        my @commit_lines;
 911        my %co;
 912
 913        if (defined $commit_text) {
 914                @commit_lines = @$commit_text;
 915        } else {
 916                $/ = "\0";
 917                open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", "--max-count=1", $commit_id
 918                        or return;
 919                @commit_lines = split '\n', <$fd>;
 920                close $fd or return;
 921                $/ = "\n";
 922                pop @commit_lines;
 923        }
 924        my $header = shift @commit_lines;
 925        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 926                return;
 927        }
 928        ($co{'id'}, my @parents) = split ' ', $header;
 929        $co{'parents'} = \@parents;
 930        $co{'parent'} = $parents[0];
 931        while (my $line = shift @commit_lines) {
 932                last if $line eq "\n";
 933                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 934                        $co{'tree'} = $1;
 935                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 936                        $co{'author'} = $1;
 937                        $co{'author_epoch'} = $2;
 938                        $co{'author_tz'} = $3;
 939                        if ($co{'author'} =~ m/^([^<]+) </) {
 940                                $co{'author_name'} = $1;
 941                        } else {
 942                                $co{'author_name'} = $co{'author'};
 943                        }
 944                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 945                        $co{'committer'} = $1;
 946                        $co{'committer_epoch'} = $2;
 947                        $co{'committer_tz'} = $3;
 948                        $co{'committer_name'} = $co{'committer'};
 949                        $co{'committer_name'} =~ s/ <.*//;
 950                }
 951        }
 952        if (!defined $co{'tree'}) {
 953                return;
 954        };
 955
 956        foreach my $title (@commit_lines) {
 957                $title =~ s/^    //;
 958                if ($title ne "") {
 959                        $co{'title'} = chop_str($title, 80, 5);
 960                        # remove leading stuff of merges to make the interesting part visible
 961                        if (length($title) > 50) {
 962                                $title =~ s/^Automatic //;
 963                                $title =~ s/^merge (of|with) /Merge ... /i;
 964                                if (length($title) > 50) {
 965                                        $title =~ s/(http|rsync):\/\///;
 966                                }
 967                                if (length($title) > 50) {
 968                                        $title =~ s/(master|www|rsync)\.//;
 969                                }
 970                                if (length($title) > 50) {
 971                                        $title =~ s/kernel.org:?//;
 972                                }
 973                                if (length($title) > 50) {
 974                                        $title =~ s/\/pub\/scm//;
 975                                }
 976                        }
 977                        $co{'title_short'} = chop_str($title, 50, 5);
 978                        last;
 979                }
 980        }
 981        # remove added spaces
 982        foreach my $line (@commit_lines) {
 983                $line =~ s/^    //;
 984        }
 985        $co{'comment'} = \@commit_lines;
 986
 987        my $age = time - $co{'committer_epoch'};
 988        $co{'age'} = $age;
 989        $co{'age_string'} = age_string($age);
 990        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 991        if ($age > 60*60*24*7*2) {
 992                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 993                $co{'age_string_age'} = $co{'age_string'};
 994        } else {
 995                $co{'age_string_date'} = $co{'age_string'};
 996                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 997        }
 998        return %co;
 999}
1000
1001# parse ref from ref_file, given by ref_id, with given type
1002sub parse_ref {
1003        my $ref_file = shift;
1004        my $ref_id = shift;
1005        my $type = shift || git_get_type($ref_id);
1006        my %ref_item;
1007
1008        $ref_item{'type'} = $type;
1009        $ref_item{'id'} = $ref_id;
1010        $ref_item{'epoch'} = 0;
1011        $ref_item{'age'} = "unknown";
1012        if ($type eq "tag") {
1013                my %tag = parse_tag($ref_id);
1014                $ref_item{'comment'} = $tag{'comment'};
1015                if ($tag{'type'} eq "commit") {
1016                        my %co = parse_commit($tag{'object'});
1017                        $ref_item{'epoch'} = $co{'committer_epoch'};
1018                        $ref_item{'age'} = $co{'age_string'};
1019                } elsif (defined($tag{'epoch'})) {
1020                        my $age = time - $tag{'epoch'};
1021                        $ref_item{'epoch'} = $tag{'epoch'};
1022                        $ref_item{'age'} = age_string($age);
1023                }
1024                $ref_item{'reftype'} = $tag{'type'};
1025                $ref_item{'name'} = $tag{'name'};
1026                $ref_item{'refid'} = $tag{'object'};
1027        } elsif ($type eq "commit"){
1028                my %co = parse_commit($ref_id);
1029                $ref_item{'reftype'} = "commit";
1030                $ref_item{'name'} = $ref_file;
1031                $ref_item{'title'} = $co{'title'};
1032                $ref_item{'refid'} = $ref_id;
1033                $ref_item{'epoch'} = $co{'committer_epoch'};
1034                $ref_item{'age'} = $co{'age_string'};
1035        } else {
1036                $ref_item{'reftype'} = $type;
1037                $ref_item{'name'} = $ref_file;
1038                $ref_item{'refid'} = $ref_id;
1039        }
1040
1041        return %ref_item;
1042}
1043
1044# parse line of git-diff-tree "raw" output
1045sub parse_difftree_raw_line {
1046        my $line = shift;
1047        my %res;
1048
1049        # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M   ls-files.c'
1050        # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M   rev-tree.c'
1051        if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
1052                $res{'from_mode'} = $1;
1053                $res{'to_mode'} = $2;
1054                $res{'from_id'} = $3;
1055                $res{'to_id'} = $4;
1056                $res{'status'} = $5;
1057                $res{'similarity'} = $6;
1058                if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
1059                        ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
1060                } else {
1061                        $res{'file'} = unquote($7);
1062                }
1063        }
1064        # 'c512b523472485aef4fff9e57b229d9d243c967f'
1065        elsif ($line =~ m/^([0-9a-fA-F]{40})$/) {
1066                $res{'commit'} = $1;
1067        }
1068
1069        return wantarray ? %res : \%res;
1070}
1071
1072# parse line of git-ls-tree output
1073sub parse_ls_tree_line ($;%) {
1074        my $line = shift;
1075        my %opts = @_;
1076        my %res;
1077
1078        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
1079        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1080
1081        $res{'mode'} = $1;
1082        $res{'type'} = $2;
1083        $res{'hash'} = $3;
1084        if ($opts{'-z'}) {
1085                $res{'name'} = $4;
1086        } else {
1087                $res{'name'} = unquote($4);
1088        }
1089
1090        return wantarray ? %res : \%res;
1091}
1092
1093## ......................................................................
1094## parse to array of hashes functions
1095
1096sub git_get_refs_list {
1097        my $ref_dir = shift;
1098        my @reflist;
1099
1100        my @refs;
1101        my $pfxlen = length("$projectroot/$project/$ref_dir");
1102        File::Find::find(sub {
1103                return if (/^\./);
1104                if (-f $_) {
1105                        push @refs, substr($File::Find::name, $pfxlen + 1);
1106                }
1107        }, "$projectroot/$project/$ref_dir");
1108
1109        foreach my $ref_file (@refs) {
1110                my $ref_id = git_get_hash_by_ref("$project/$ref_dir/$ref_file");
1111                my $type = git_get_type($ref_id) || next;
1112                my %ref_item = parse_ref($ref_file, $ref_id, $type);
1113
1114                push @reflist, \%ref_item;
1115        }
1116        # sort refs by age
1117        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1118        return \@reflist;
1119}
1120
1121## ----------------------------------------------------------------------
1122## filesystem-related functions
1123
1124sub get_file_owner {
1125        my $path = shift;
1126
1127        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
1128        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
1129        if (!defined $gcos) {
1130                return undef;
1131        }
1132        my $owner = $gcos;
1133        $owner =~ s/[,;].*$//;
1134        return decode("utf8", $owner, Encode::FB_DEFAULT);
1135}
1136
1137## ......................................................................
1138## mimetype related functions
1139
1140sub mimetype_guess_file {
1141        my $filename = shift;
1142        my $mimemap = shift;
1143        -r $mimemap or return undef;
1144
1145        my %mimemap;
1146        open(MIME, $mimemap) or return undef;
1147        while (<MIME>) {
1148                next if m/^#/; # skip comments
1149                my ($mime, $exts) = split(/\t+/);
1150                if (defined $exts) {
1151                        my @exts = split(/\s+/, $exts);
1152                        foreach my $ext (@exts) {
1153                                $mimemap{$ext} = $mime;
1154                        }
1155                }
1156        }
1157        close(MIME);
1158
1159        $filename =~ /\.(.*?)$/;
1160        return $mimemap{$1};
1161}
1162
1163sub mimetype_guess {
1164        my $filename = shift;
1165        my $mime;
1166        $filename =~ /\./ or return undef;
1167
1168        if ($mimetypes_file) {
1169                my $file = $mimetypes_file;
1170                if ($file !~ m!^/!) { # if it is relative path
1171                        # it is relative to project
1172                        $file = "$projectroot/$project/$file";
1173                }
1174                $mime = mimetype_guess_file($filename, $file);
1175        }
1176        $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1177        return $mime;
1178}
1179
1180sub blob_mimetype {
1181        my $fd = shift;
1182        my $filename = shift;
1183
1184        if ($filename) {
1185                my $mime = mimetype_guess($filename);
1186                $mime and return $mime;
1187        }
1188
1189        # just in case
1190        return $default_blob_plain_mimetype unless $fd;
1191
1192        if (-T $fd) {
1193                return 'text/plain' .
1194                       ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1195        } elsif (! $filename) {
1196                return 'application/octet-stream';
1197        } elsif ($filename =~ m/\.png$/i) {
1198                return 'image/png';
1199        } elsif ($filename =~ m/\.gif$/i) {
1200                return 'image/gif';
1201        } elsif ($filename =~ m/\.jpe?g$/i) {
1202                return 'image/jpeg';
1203        } else {
1204                return 'application/octet-stream';
1205        }
1206}
1207
1208## ======================================================================
1209## functions printing HTML: header, footer, error page
1210
1211sub git_header_html {
1212        my $status = shift || "200 OK";
1213        my $expires = shift;
1214
1215        my $title = "$site_name git";
1216        if (defined $project) {
1217                $title .= " - $project";
1218                if (defined $action) {
1219                        $title .= "/$action";
1220                        if (defined $file_name) {
1221                                $title .= " - $file_name";
1222                                if ($action eq "tree" && $file_name !~ m|/$|) {
1223                                        $title .= "/";
1224                                }
1225                        }
1226                }
1227        }
1228        my $content_type;
1229        # require explicit support from the UA if we are to send the page as
1230        # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
1231        # we have to do this because MSIE sometimes globs '*/*', pretending to
1232        # support xhtml+xml but choking when it gets what it asked for.
1233        if (defined $cgi->http('HTTP_ACCEPT') &&
1234            $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ &&
1235            $cgi->Accept('application/xhtml+xml') != 0) {
1236                $content_type = 'application/xhtml+xml';
1237        } else {
1238                $content_type = 'text/html';
1239        }
1240        print $cgi->header(-type=>$content_type, -charset => 'utf-8',
1241                           -status=> $status, -expires => $expires);
1242        print <<EOF;
1243<?xml version="1.0" encoding="utf-8"?>
1244<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
1245<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
1246<!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
1247<!-- git core binaries version $git_version -->
1248<head>
1249<meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
1250<meta name="generator" content="gitweb/$version git/$git_version"/>
1251<meta name="robots" content="index, nofollow"/>
1252<title>$title</title>
1253<link rel="stylesheet" type="text/css" href="$stylesheet"/>
1254EOF
1255        if (defined $project) {
1256                printf('<link rel="alternate" title="%s log" '.
1257                       'href="%s" type="application/rss+xml"/>'."\n",
1258                       esc_param($project), href(action=>"rss"));
1259        }
1260        if (defined $favicon) {
1261                print qq(<link rel="shortcut icon" href="$favicon" type="image/png"/>\n);
1262        }
1263
1264        print "</head>\n" .
1265              "<body>\n" .
1266              "<div class=\"page_header\">\n" .
1267              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
1268              "<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
1269              "</a>\n";
1270        print $cgi->a({-href => esc_param($home_link)}, $home_link_str) . " / ";
1271        if (defined $project) {
1272                print $cgi->a({-href => href(action=>"summary")}, esc_html($project));
1273                if (defined $action) {
1274                        print " / $action";
1275                }
1276                print "\n";
1277                if (!defined $searchtext) {
1278                        $searchtext = "";
1279                }
1280                my $search_hash;
1281                if (defined $hash_base) {
1282                        $search_hash = $hash_base;
1283                } elsif (defined $hash) {
1284                        $search_hash = $hash;
1285                } else {
1286                        $search_hash = "HEAD";
1287                }
1288                $cgi->param("a", "search");
1289                $cgi->param("h", $search_hash);
1290                print $cgi->startform(-method => "get", -action => $my_uri) .
1291                      "<div class=\"search\">\n" .
1292                      $cgi->hidden(-name => "p") . "\n" .
1293                      $cgi->hidden(-name => "a") . "\n" .
1294                      $cgi->hidden(-name => "h") . "\n" .
1295                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
1296                      "</div>" .
1297                      $cgi->end_form() . "\n";
1298        }
1299        print "</div>\n";
1300}
1301
1302sub git_footer_html {
1303        print "<div class=\"page_footer\">\n";
1304        if (defined $project) {
1305                my $descr = git_get_project_description($project);
1306                if (defined $descr) {
1307                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
1308                }
1309                print $cgi->a({-href => href(action=>"rss"), -class => "rss_logo"}, "RSS") . "\n";
1310        } else {
1311                print $cgi->a({-href => href(action=>"opml"), -class => "rss_logo"}, "OPML") . "\n";
1312        }
1313        print "</div>\n" .
1314              "</body>\n" .
1315              "</html>";
1316}
1317
1318sub die_error {
1319        my $status = shift || "403 Forbidden";
1320        my $error = shift || "Malformed query, file missing or permission denied";
1321
1322        git_header_html($status);
1323        print <<EOF;
1324<div class="page_body">
1325<br /><br />
1326$status - $error
1327<br />
1328</div>
1329EOF
1330        git_footer_html();
1331        exit;
1332}
1333
1334## ----------------------------------------------------------------------
1335## functions printing or outputting HTML: navigation
1336
1337sub git_print_page_nav {
1338        my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
1339        $extra = '' if !defined $extra; # pager or formats
1340
1341        my @navs = qw(summary shortlog log commit commitdiff tree);
1342        if ($suppress) {
1343                @navs = grep { $_ ne $suppress } @navs;
1344        }
1345
1346        my %arg = map { $_ => {action=>$_} } @navs;
1347        if (defined $head) {
1348                for (qw(commit commitdiff)) {
1349                        $arg{$_}{hash} = $head;
1350                }
1351                if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
1352                        for (qw(shortlog log)) {
1353                                $arg{$_}{hash} = $head;
1354                        }
1355                }
1356        }
1357        $arg{tree}{hash} = $treehead if defined $treehead;
1358        $arg{tree}{hash_base} = $treebase if defined $treebase;
1359
1360        print "<div class=\"page_nav\">\n" .
1361                (join " | ",
1362                 map { $_ eq $current ?
1363                       $_ : $cgi->a({-href => href(%{$arg{$_}})}, "$_")
1364                 } @navs);
1365        print "<br/>\n$extra<br/>\n" .
1366              "</div>\n";
1367}
1368
1369sub format_paging_nav {
1370        my ($action, $hash, $head, $page, $nrevs) = @_;
1371        my $paging_nav;
1372
1373
1374        if ($hash ne $head || $page) {
1375                $paging_nav .= $cgi->a({-href => href(action=>$action)}, "HEAD");
1376        } else {
1377                $paging_nav .= "HEAD";
1378        }
1379
1380        if ($page > 0) {
1381                $paging_nav .= " &sdot; " .
1382                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page-1),
1383                                 -accesskey => "p", -title => "Alt-p"}, "prev");
1384        } else {
1385                $paging_nav .= " &sdot; prev";
1386        }
1387
1388        if ($nrevs >= (100 * ($page+1)-1)) {
1389                $paging_nav .= " &sdot; " .
1390                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page+1),
1391                                 -accesskey => "n", -title => "Alt-n"}, "next");
1392        } else {
1393                $paging_nav .= " &sdot; next";
1394        }
1395
1396        return $paging_nav;
1397}
1398
1399## ......................................................................
1400## functions printing or outputting HTML: div
1401
1402sub git_print_header_div {
1403        my ($action, $title, $hash, $hash_base) = @_;
1404        my %args = ();
1405
1406        $args{action} = $action;
1407        $args{hash} = $hash if $hash;
1408        $args{hash_base} = $hash_base if $hash_base;
1409
1410        print "<div class=\"header\">\n" .
1411              $cgi->a({-href => href(%args), -class => "title"},
1412              $title ? $title : $action) .
1413              "\n</div>\n";
1414}
1415
1416#sub git_print_authorship (\%) {
1417sub git_print_authorship {
1418        my $co = shift;
1419
1420        my %ad = parse_date($co->{'author_epoch'}, $co->{'author_tz'});
1421        print "<div class=\"author_date\">" .
1422              esc_html($co->{'author_name'}) .
1423              " [$ad{'rfc2822'}";
1424        if ($ad{'hour_local'} < 6) {
1425                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
1426                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1427        } else {
1428                printf(" (%02d:%02d %s)",
1429                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1430        }
1431        print "]</div>\n";
1432}
1433
1434sub git_print_page_path {
1435        my $name = shift;
1436        my $type = shift;
1437        my $hb = shift;
1438
1439        if (!defined $name) {
1440                print "<div class=\"page_path\">/</div>\n";
1441        } else {
1442                my @dirname = split '/', $name;
1443                my $basename = pop @dirname;
1444                my $fullname = '';
1445
1446                print "<div class=\"page_path\">";
1447                foreach my $dir (@dirname) {
1448                        $fullname .= $dir . '/';
1449                        print $cgi->a({-href => href(action=>"tree", file_name=>$fullname,
1450                                                     hash_base=>$hb),
1451                                      -title => $fullname}, esc_html($dir));
1452                        print "/";
1453                }
1454                if (defined $type && $type eq 'blob') {
1455                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
1456                                                     hash_base=>$hb),
1457                                      -title => $name}, esc_html($basename));
1458                } elsif (defined $type && $type eq 'tree') {
1459                        print $cgi->a({-href => href(action=>"tree", file_name=>$file_name,
1460                                                     hash_base=>$hb),
1461                                      -title => $name}, esc_html($basename));
1462                        print "/";
1463                } else {
1464                        print esc_html($basename);
1465                }
1466                print "<br/></div>\n";
1467        }
1468}
1469
1470# sub git_print_log (\@;%) {
1471sub git_print_log ($;%) {
1472        my $log = shift;
1473        my %opts = @_;
1474
1475        if ($opts{'-remove_title'}) {
1476                # remove title, i.e. first line of log
1477                shift @$log;
1478        }
1479        # remove leading empty lines
1480        while (defined $log->[0] && $log->[0] eq "") {
1481                shift @$log;
1482        }
1483
1484        # print log
1485        my $signoff = 0;
1486        my $empty = 0;
1487        foreach my $line (@$log) {
1488                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1489                        $signoff = 1;
1490                        $empty = 0;
1491                        if (! $opts{'-remove_signoff'}) {
1492                                print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1493                                next;
1494                        } else {
1495                                # remove signoff lines
1496                                next;
1497                        }
1498                } else {
1499                        $signoff = 0;
1500                }
1501
1502                # print only one empty line
1503                # do not print empty line after signoff
1504                if ($line eq "") {
1505                        next if ($empty || $signoff);
1506                        $empty = 1;
1507                } else {
1508                        $empty = 0;
1509                }
1510
1511                print format_log_line_html($line) . "<br/>\n";
1512        }
1513
1514        if ($opts{'-final_empty_line'}) {
1515                # end with single empty line
1516                print "<br/>\n" unless $empty;
1517        }
1518}
1519
1520sub git_print_simplified_log {
1521        my $log = shift;
1522        my $remove_title = shift;
1523
1524        git_print_log($log,
1525                -final_empty_line=> 1,
1526                -remove_title => $remove_title);
1527}
1528
1529# print tree entry (row of git_tree), but without encompassing <tr> element
1530sub git_print_tree_entry {
1531        my ($t, $basedir, $hash_base, $have_blame) = @_;
1532
1533        my %base_key = ();
1534        $base_key{hash_base} = $hash_base if defined $hash_base;
1535
1536        print "<td class=\"mode\">" . mode_str($t->{'mode'}) . "</td>\n";
1537        if ($t->{'type'} eq "blob") {
1538                print "<td class=\"list\">" .
1539                      $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
1540                                             file_name=>"$basedir$t->{'name'}", %base_key),
1541                              -class => "list"}, esc_html($t->{'name'})) .
1542                      "</td>\n" .
1543                      "<td class=\"link\">" .
1544                      $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
1545                                             file_name=>"$basedir$t->{'name'}", %base_key)},
1546                              "blob");
1547                if ($have_blame) {
1548                        print " | " .
1549                                $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
1550                                                       file_name=>"$basedir$t->{'name'}", %base_key)},
1551                                        "blame");
1552                }
1553                if (defined $hash_base) {
1554                        print " | " .
1555                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
1556                                                     hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
1557                                      "history");
1558                }
1559                print " | " .
1560                      $cgi->a({-href => href(action=>"blob_plain",
1561                                             hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
1562                              "raw") .
1563                      "</td>\n";
1564
1565        } elsif ($t->{'type'} eq "tree") {
1566                print "<td class=\"list\">" .
1567                      $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
1568                                             file_name=>"$basedir$t->{'name'}", %base_key)},
1569                              esc_html($t->{'name'})) .
1570                      "</td>\n" .
1571                      "<td class=\"link\">" .
1572                      $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
1573                                             file_name=>"$basedir$t->{'name'}", %base_key)},
1574                              "tree");
1575                if (defined $hash_base) {
1576                        print " | " .
1577                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
1578                                                     file_name=>"$basedir$t->{'name'}")},
1579                                      "history");
1580                }
1581                print "</td>\n";
1582        }
1583}
1584
1585## ......................................................................
1586## functions printing large fragments of HTML
1587
1588sub git_difftree_body {
1589        my ($difftree, $hash, $parent) = @_;
1590
1591        print "<div class=\"list_head\">\n";
1592        if ($#{$difftree} > 10) {
1593                print(($#{$difftree} + 1) . " files changed:\n");
1594        }
1595        print "</div>\n";
1596
1597        print "<table class=\"diff_tree\">\n";
1598        my $alternate = 0;
1599        my $patchno = 0;
1600        foreach my $line (@{$difftree}) {
1601                my %diff = parse_difftree_raw_line($line);
1602
1603                if ($alternate) {
1604                        print "<tr class=\"dark\">\n";
1605                } else {
1606                        print "<tr class=\"light\">\n";
1607                }
1608                $alternate ^= 1;
1609
1610                my ($to_mode_oct, $to_mode_str, $to_file_type);
1611                my ($from_mode_oct, $from_mode_str, $from_file_type);
1612                if ($diff{'to_mode'} ne ('0' x 6)) {
1613                        $to_mode_oct = oct $diff{'to_mode'};
1614                        if (S_ISREG($to_mode_oct)) { # only for regular file
1615                                $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
1616                        }
1617                        $to_file_type = file_type($diff{'to_mode'});
1618                }
1619                if ($diff{'from_mode'} ne ('0' x 6)) {
1620                        $from_mode_oct = oct $diff{'from_mode'};
1621                        if (S_ISREG($to_mode_oct)) { # only for regular file
1622                                $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
1623                        }
1624                        $from_file_type = file_type($diff{'from_mode'});
1625                }
1626
1627                if ($diff{'status'} eq "A") { # created
1628                        my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
1629                        $mode_chng   .= " with mode: $to_mode_str" if $to_mode_str;
1630                        $mode_chng   .= "]</span>";
1631                        print "<td>" .
1632                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1633                                                     hash_base=>$hash, file_name=>$diff{'file'}),
1634                                      -class => "list"}, esc_html($diff{'file'})) .
1635                              "</td>\n" .
1636                              "<td>$mode_chng</td>\n" .
1637                              "<td class=\"link\">" .
1638                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1639                                                     hash_base=>$hash, file_name=>$diff{'file'})},
1640                                      "blob");
1641                        if ($action eq 'commitdiff') {
1642                                # link to patch
1643                                $patchno++;
1644                                print " | " .
1645                                      $cgi->a({-href => "#patch$patchno"}, "patch");
1646                        }
1647                        print "</td>\n";
1648
1649                } elsif ($diff{'status'} eq "D") { # deleted
1650                        my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
1651                        print "<td>" .
1652                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1653                                                     hash_base=>$parent, file_name=>$diff{'file'}),
1654                                       -class => "list"}, esc_html($diff{'file'})) .
1655                              "</td>\n" .
1656                              "<td>$mode_chng</td>\n" .
1657                              "<td class=\"link\">" .
1658                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1659                                                     hash_base=>$parent, file_name=>$diff{'file'})},
1660                                      "blob") .
1661                              " | ";
1662                        if ($action eq 'commitdiff') {
1663                                # link to patch
1664                                $patchno++;
1665                                print " | " .
1666                                      $cgi->a({-href => "#patch$patchno"}, "patch");
1667                        }
1668                        print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
1669                                                     file_name=>$diff{'file'})},
1670                                      "history") .
1671                              "</td>\n";
1672
1673                } elsif ($diff{'status'} eq "M" || $diff{'status'} eq "T") { # modified, or type changed
1674                        my $mode_chnge = "";
1675                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1676                                $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
1677                                if ($from_file_type != $to_file_type) {
1678                                        $mode_chnge .= " from $from_file_type to $to_file_type";
1679                                }
1680                                if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
1681                                        if ($from_mode_str && $to_mode_str) {
1682                                                $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
1683                                        } elsif ($to_mode_str) {
1684                                                $mode_chnge .= " mode: $to_mode_str";
1685                                        }
1686                                }
1687                                $mode_chnge .= "]</span>\n";
1688                        }
1689                        print "<td>";
1690                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1691                                print $cgi->a({-href => href(action=>"blobdiff",
1692                                                             hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1693                                                             hash_base=>$hash, hash_parent_base=>$parent,
1694                                                             file_name=>$diff{'file'}),
1695                                              -class => "list"}, esc_html($diff{'file'}));
1696                        } else { # only mode changed
1697                                print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1698                                                             hash_base=>$hash, file_name=>$diff{'file'}),
1699                                              -class => "list"}, esc_html($diff{'file'}));
1700                        }
1701                        print "</td>\n" .
1702                              "<td>$mode_chnge</td>\n" .
1703                              "<td class=\"link\">" .
1704                              $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1705                                                     hash_base=>$hash, file_name=>$diff{'file'})},
1706                                      "blob");
1707                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1708                                if ($action eq 'commitdiff') {
1709                                        # link to patch
1710                                        $patchno++;
1711                                        print " | " .
1712                                                $cgi->a({-href => "#patch$patchno"}, "patch");
1713                                } else {
1714                                        print " | " .
1715                                                $cgi->a({-href => href(action=>"blobdiff",
1716                                                                       hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1717                                                                       hash_base=>$hash, hash_parent_base=>$parent,
1718                                                                       file_name=>$diff{'file'})},
1719                                                        "diff");
1720                                }
1721                        }
1722                        print " | " .
1723                                $cgi->a({-href => href(action=>"history",
1724                                                       hash_base=>$hash, file_name=>$diff{'file'})},
1725                                        "history");
1726                        print "</td>\n";
1727
1728                } elsif ($diff{'status'} eq "R" || $diff{'status'} eq "C") { # renamed or copied
1729                        my %status_name = ('R' => 'moved', 'C' => 'copied');
1730                        my $nstatus = $status_name{$diff{'status'}};
1731                        my $mode_chng = "";
1732                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1733                                # mode also for directories, so we cannot use $to_mode_str
1734                                $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
1735                        }
1736                        print "<td>" .
1737                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1738                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'}),
1739                                      -class => "list"}, esc_html($diff{'to_file'})) . "</td>\n" .
1740                              "<td><span class=\"file_status $nstatus\">[$nstatus from " .
1741                              $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
1742                                                     hash=>$diff{'from_id'}, file_name=>$diff{'from_file'}),
1743                                      -class => "list"}, esc_html($diff{'from_file'})) .
1744                              " with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
1745                              "<td class=\"link\">" .
1746                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1747                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'})},
1748                                      "blob");
1749                        if ($diff{'to_id'} ne $diff{'from_id'}) {
1750                                if ($action eq 'commitdiff') {
1751                                        # link to patch
1752                                        $patchno++;
1753                                        print " | " .
1754                                                $cgi->a({-href => "#patch$patchno"}, "patch");
1755                                } else {
1756                                        print " | " .
1757                                                $cgi->a({-href => href(action=>"blobdiff",
1758                                                                       hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1759                                                                       hash_base=>$hash, hash_parent_base=>$parent,
1760                                                                       file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
1761                                                        "diff");
1762                                }
1763                        }
1764                        print "</td>\n";
1765
1766                } # we should not encounter Unmerged (U) or Unknown (X) status
1767                print "</tr>\n";
1768        }
1769        print "</table>\n";
1770}
1771
1772sub git_patchset_body {
1773        my ($fd, $difftree, $hash, $hash_parent) = @_;
1774
1775        my $patch_idx = 0;
1776        my $in_header = 0;
1777        my $patch_found = 0;
1778        my $diffinfo;
1779
1780        print "<div class=\"patchset\">\n";
1781
1782        LINE:
1783        while (my $patch_line = <$fd>) {
1784                chomp $patch_line;
1785
1786                if ($patch_line =~ m/^diff /) { # "git diff" header
1787                        # beginning of patch (in patchset)
1788                        if ($patch_found) {
1789                                # close previous patch
1790                                print "</div>\n"; # class="patch"
1791                        } else {
1792                                # first patch in patchset
1793                                $patch_found = 1;
1794                        }
1795                        print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n";
1796
1797                        if (ref($difftree->[$patch_idx]) eq "HASH") {
1798                                $diffinfo = $difftree->[$patch_idx];
1799                        } else {
1800                                $diffinfo = parse_difftree_raw_line($difftree->[$patch_idx]);
1801                        }
1802                        $patch_idx++;
1803
1804                        # for now, no extended header, hence we skip empty patches
1805                        # companion to  next LINE if $in_header;
1806                        if ($diffinfo->{'from_id'} eq $diffinfo->{'to_id'}) { # no change
1807                                $in_header = 1;
1808                                next LINE;
1809                        }
1810
1811                        if ($diffinfo->{'status'} eq "A") { # added
1812                                print "<div class=\"diff_info\">" . file_type($diffinfo->{'to_mode'}) . ":" .
1813                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1814                                                             hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
1815                                              $diffinfo->{'to_id'}) . "(new)" .
1816                                      "</div>\n"; # class="diff_info"
1817
1818                        } elsif ($diffinfo->{'status'} eq "D") { # deleted
1819                                print "<div class=\"diff_info\">" . file_type($diffinfo->{'from_mode'}) . ":" .
1820                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1821                                                             hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
1822                                              $diffinfo->{'from_id'}) . "(deleted)" .
1823                                      "</div>\n"; # class="diff_info"
1824
1825                        } elsif ($diffinfo->{'status'} eq "R" || # renamed
1826                                 $diffinfo->{'status'} eq "C" || # copied
1827                                 $diffinfo->{'status'} eq "2") { # with two filenames (from git_blobdiff)
1828                                print "<div class=\"diff_info\">" .
1829                                      file_type($diffinfo->{'from_mode'}) . ":" .
1830                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1831                                                             hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'from_file'})},
1832                                              $diffinfo->{'from_id'}) .
1833                                      " -> " .
1834                                      file_type($diffinfo->{'to_mode'}) . ":" .
1835                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1836                                                             hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'to_file'})},
1837                                              $diffinfo->{'to_id'});
1838                                print "</div>\n"; # class="diff_info"
1839
1840                        } else { # modified, mode changed, ...
1841                                print "<div class=\"diff_info\">" .
1842                                      file_type($diffinfo->{'from_mode'}) . ":" .
1843                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1844                                                             hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
1845                                              $diffinfo->{'from_id'}) .
1846                                      " -> " .
1847                                      file_type($diffinfo->{'to_mode'}) . ":" .
1848                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1849                                                             hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
1850                                              $diffinfo->{'to_id'});
1851                                print "</div>\n"; # class="diff_info"
1852                        }
1853
1854                        #print "<div class=\"diff extended_header\">\n";
1855                        $in_header = 1;
1856                        next LINE;
1857                } # start of patch in patchset
1858
1859
1860                if ($in_header && $patch_line =~ m/^---/) {
1861                        #print "</div>\n"; # class="diff extended_header"
1862                        $in_header = 0;
1863
1864                        my $file = $diffinfo->{'from_file'};
1865                        $file  ||= $diffinfo->{'file'};
1866                        $file = $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
1867                                                       hash=>$diffinfo->{'from_id'}, file_name=>$file),
1868                                        -class => "list"}, esc_html($file));
1869                        $patch_line =~ s|a/.*$|a/$file|g;
1870                        print "<div class=\"diff from_file\">$patch_line</div>\n";
1871
1872                        $patch_line = <$fd>;
1873                        chomp $patch_line;
1874
1875                        #$patch_line =~ m/^+++/;
1876                        $file    = $diffinfo->{'to_file'};
1877                        $file  ||= $diffinfo->{'file'};
1878                        $file = $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1879                                                       hash=>$diffinfo->{'to_id'}, file_name=>$file),
1880                                        -class => "list"}, esc_html($file));
1881                        $patch_line =~ s|b/.*|b/$file|g;
1882                        print "<div class=\"diff to_file\">$patch_line</div>\n";
1883
1884                        next LINE;
1885                }
1886                next LINE if $in_header;
1887
1888                print format_diff_line($patch_line);
1889        }
1890        print "</div>\n" if $patch_found; # class="patch"
1891
1892        print "</div>\n"; # class="patchset"
1893}
1894
1895# . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1896
1897sub git_shortlog_body {
1898        # uses global variable $project
1899        my ($revlist, $from, $to, $refs, $extra) = @_;
1900
1901        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
1902        my $have_snapshot = (defined $ctype && defined $suffix);
1903
1904        $from = 0 unless defined $from;
1905        $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
1906
1907        print "<table class=\"shortlog\" cellspacing=\"0\">\n";
1908        my $alternate = 0;
1909        for (my $i = $from; $i <= $to; $i++) {
1910                my $commit = $revlist->[$i];
1911                #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
1912                my $ref = format_ref_marker($refs, $commit);
1913                my %co = parse_commit($commit);
1914                if ($alternate) {
1915                        print "<tr class=\"dark\">\n";
1916                } else {
1917                        print "<tr class=\"light\">\n";
1918                }
1919                $alternate ^= 1;
1920                # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
1921                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1922                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1923                      "<td>";
1924                print format_subject_html($co{'title'}, $co{'title_short'},
1925                                          href(action=>"commit", hash=>$commit), $ref);
1926                print "</td>\n" .
1927                      "<td class=\"link\">" .
1928                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
1929                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
1930                if ($have_snapshot) {
1931                        print " | " .  $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
1932                }
1933                print "</td>\n" .
1934                      "</tr>\n";
1935        }
1936        if (defined $extra) {
1937                print "<tr>\n" .
1938                      "<td colspan=\"4\">$extra</td>\n" .
1939                      "</tr>\n";
1940        }
1941        print "</table>\n";
1942}
1943
1944sub git_history_body {
1945        # Warning: assumes constant type (blob or tree) during history
1946        my ($revlist, $from, $to, $refs, $hash_base, $ftype, $extra) = @_;
1947
1948        $from = 0 unless defined $from;
1949        $to = $#{$revlist} unless (defined $to && $to <= $#{$revlist});
1950
1951        print "<table class=\"history\" cellspacing=\"0\">\n";
1952        my $alternate = 0;
1953        for (my $i = $from; $i <= $to; $i++) {
1954                if ($revlist->[$i] !~ m/^([0-9a-fA-F]{40})/) {
1955                        next;
1956                }
1957
1958                my $commit = $1;
1959                my %co = parse_commit($commit);
1960                if (!%co) {
1961                        next;
1962                }
1963
1964                my $ref = format_ref_marker($refs, $commit);
1965
1966                if ($alternate) {
1967                        print "<tr class=\"dark\">\n";
1968                } else {
1969                        print "<tr class=\"light\">\n";
1970                }
1971                $alternate ^= 1;
1972                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1973                      # shortlog uses      chop_str($co{'author_name'}, 10)
1974                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
1975                      "<td>";
1976                # originally git_history used chop_str($co{'title'}, 50)
1977                print format_subject_html($co{'title'}, $co{'title_short'},
1978                                          href(action=>"commit", hash=>$commit), $ref);
1979                print "</td>\n" .
1980                      "<td class=\"link\">" .
1981                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
1982                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
1983                      $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype);
1984
1985                if ($ftype eq 'blob') {
1986                        my $blob_current = git_get_hash_by_path($hash_base, $file_name);
1987                        my $blob_parent  = git_get_hash_by_path($commit, $file_name);
1988                        if (defined $blob_current && defined $blob_parent &&
1989                                        $blob_current ne $blob_parent) {
1990                                print " | " .
1991                                        $cgi->a({-href => href(action=>"blobdiff",
1992                                                               hash=>$blob_current, hash_parent=>$blob_parent,
1993                                                               hash_base=>$hash_base, hash_parent_base=>$commit,
1994                                                               file_name=>$file_name)},
1995                                                "diff to current");
1996                        }
1997                }
1998                print "</td>\n" .
1999                      "</tr>\n";
2000        }
2001        if (defined $extra) {
2002                print "<tr>\n" .
2003                      "<td colspan=\"4\">$extra</td>\n" .
2004                      "</tr>\n";
2005        }
2006        print "</table>\n";
2007}
2008
2009sub git_tags_body {
2010        # uses global variable $project
2011        my ($taglist, $from, $to, $extra) = @_;
2012        $from = 0 unless defined $from;
2013        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
2014
2015        print "<table class=\"tags\" cellspacing=\"0\">\n";
2016        my $alternate = 0;
2017        for (my $i = $from; $i <= $to; $i++) {
2018                my $entry = $taglist->[$i];
2019                my %tag = %$entry;
2020                my $comment_lines = $tag{'comment'};
2021                my $comment = shift @$comment_lines;
2022                my $comment_short;
2023                if (defined $comment) {
2024                        $comment_short = chop_str($comment, 30, 5);
2025                }
2026                if ($alternate) {
2027                        print "<tr class=\"dark\">\n";
2028                } else {
2029                        print "<tr class=\"light\">\n";
2030                }
2031                $alternate ^= 1;
2032                print "<td><i>$tag{'age'}</i></td>\n" .
2033                      "<td>" .
2034                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
2035                               -class => "list name"}, esc_html($tag{'name'})) .
2036                      "</td>\n" .
2037                      "<td>";
2038                if (defined $comment) {
2039                        print format_subject_html($comment, $comment_short,
2040                                                  href(action=>"tag", hash=>$tag{'id'}));
2041                }
2042                print "</td>\n" .
2043                      "<td class=\"selflink\">";
2044                if ($tag{'type'} eq "tag") {
2045                        print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
2046                } else {
2047                        print "&nbsp;";
2048                }
2049                print "</td>\n" .
2050                      "<td class=\"link\">" . " | " .
2051                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
2052                if ($tag{'reftype'} eq "commit") {
2053                        print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") .
2054                              " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'refid'})}, "log");
2055                } elsif ($tag{'reftype'} eq "blob") {
2056                        print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
2057                }
2058                print "</td>\n" .
2059                      "</tr>";
2060        }
2061        if (defined $extra) {
2062                print "<tr>\n" .
2063                      "<td colspan=\"5\">$extra</td>\n" .
2064                      "</tr>\n";
2065        }
2066        print "</table>\n";
2067}
2068
2069sub git_heads_body {
2070        # uses global variable $project
2071        my ($taglist, $head, $from, $to, $extra) = @_;
2072        $from = 0 unless defined $from;
2073        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
2074
2075        print "<table class=\"heads\" cellspacing=\"0\">\n";
2076        my $alternate = 0;
2077        for (my $i = $from; $i <= $to; $i++) {
2078                my $entry = $taglist->[$i];
2079                my %tag = %$entry;
2080                my $curr = $tag{'id'} eq $head;
2081                if ($alternate) {
2082                        print "<tr class=\"dark\">\n";
2083                } else {
2084                        print "<tr class=\"light\">\n";
2085                }
2086                $alternate ^= 1;
2087                print "<td><i>$tag{'age'}</i></td>\n" .
2088                      ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
2089                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'}),
2090                               -class => "list name"},esc_html($tag{'name'})) .
2091                      "</td>\n" .
2092                      "<td class=\"link\">" .
2093                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") . " | " .
2094                      $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log") .
2095                      "</td>\n" .
2096                      "</tr>";
2097        }
2098        if (defined $extra) {
2099                print "<tr>\n" .
2100                      "<td colspan=\"3\">$extra</td>\n" .
2101                      "</tr>\n";
2102        }
2103        print "</table>\n";
2104}
2105
2106## ======================================================================
2107## ======================================================================
2108## actions
2109
2110sub git_project_list {
2111        my $order = $cgi->param('o');
2112        if (defined $order && $order !~ m/project|descr|owner|age/) {
2113                die_error(undef, "Unknown order parameter");
2114        }
2115
2116        my @list = git_get_projects_list();
2117        my @projects;
2118        if (!@list) {
2119                die_error(undef, "No projects found");
2120        }
2121        foreach my $pr (@list) {
2122                my $head = git_get_head_hash($pr->{'path'});
2123                if (!defined $head) {
2124                        next;
2125                }
2126                $git_dir = "$projectroot/$pr->{'path'}";
2127                my %co = parse_commit($head);
2128                if (!%co) {
2129                        next;
2130                }
2131                $pr->{'commit'} = \%co;
2132                if (!defined $pr->{'descr'}) {
2133                        my $descr = git_get_project_description($pr->{'path'}) || "";
2134                        $pr->{'descr'} = chop_str($descr, 25, 5);
2135                }
2136                if (!defined $pr->{'owner'}) {
2137                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
2138                }
2139                push @projects, $pr;
2140        }
2141
2142        git_header_html();
2143        if (-f $home_text) {
2144                print "<div class=\"index_include\">\n";
2145                open (my $fd, $home_text);
2146                print <$fd>;
2147                close $fd;
2148                print "</div>\n";
2149        }
2150        print "<table class=\"project_list\">\n" .
2151              "<tr>\n";
2152        $order ||= "project";
2153        if ($order eq "project") {
2154                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
2155                print "<th>Project</th>\n";
2156        } else {
2157                print "<th>" .
2158                      $cgi->a({-href => "$my_uri?" . esc_param("o=project"),
2159                               -class => "header"}, "Project") .
2160                      "</th>\n";
2161        }
2162        if ($order eq "descr") {
2163                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
2164                print "<th>Description</th>\n";
2165        } else {
2166                print "<th>" .
2167                      $cgi->a({-href => "$my_uri?" . esc_param("o=descr"),
2168                               -class => "header"}, "Description") .
2169                      "</th>\n";
2170        }
2171        if ($order eq "owner") {
2172                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
2173                print "<th>Owner</th>\n";
2174        } else {
2175                print "<th>" .
2176                      $cgi->a({-href => "$my_uri?" . esc_param("o=owner"),
2177                               -class => "header"}, "Owner") .
2178                      "</th>\n";
2179        }
2180        if ($order eq "age") {
2181                @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
2182                print "<th>Last Change</th>\n";
2183        } else {
2184                print "<th>" .
2185                      $cgi->a({-href => "$my_uri?" . esc_param("o=age"),
2186                               -class => "header"}, "Last Change") .
2187                      "</th>\n";
2188        }
2189        print "<th></th>\n" .
2190              "</tr>\n";
2191        my $alternate = 0;
2192        foreach my $pr (@projects) {
2193                if ($alternate) {
2194                        print "<tr class=\"dark\">\n";
2195                } else {
2196                        print "<tr class=\"light\">\n";
2197                }
2198                $alternate ^= 1;
2199                print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
2200                                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
2201                      "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
2202                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
2203                print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" .
2204                      $pr->{'commit'}{'age_string'} . "</td>\n" .
2205                      "<td class=\"link\">" .
2206                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
2207                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
2208                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") .
2209                      "</td>\n" .
2210                      "</tr>\n";
2211        }
2212        print "</table>\n";
2213        git_footer_html();
2214}
2215
2216sub git_summary {
2217        my $descr = git_get_project_description($project) || "none";
2218        my $head = git_get_head_hash($project);
2219        my %co = parse_commit($head);
2220        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2221
2222        my $owner = git_get_project_owner($project);
2223
2224        my $refs = git_get_references();
2225        git_header_html();
2226        git_print_page_nav('summary','', $head);
2227
2228        print "<div class=\"title\">&nbsp;</div>\n";
2229        print "<table cellspacing=\"0\">\n" .
2230              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
2231              "<tr><td>owner</td><td>$owner</td></tr>\n" .
2232              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n";
2233        # use per project git URL list in $projectroot/$project/cloneurl
2234        # or make project git URL from git base URL and project name
2235        my $url_tag = "URL";
2236        my @url_list = git_get_project_url_list($project);
2237        @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
2238        foreach my $git_url (@url_list) {
2239                next unless $git_url;
2240                print "<tr><td>$url_tag</td><td>$git_url</td></tr>\n";
2241                $url_tag = "";
2242        }
2243        print "</table>\n";
2244
2245        open my $fd, "-|", git_cmd(), "rev-list", "--max-count=17",
2246                git_get_head_hash($project)
2247                or die_error(undef, "Open git-rev-list failed");
2248        my @revlist = map { chomp; $_ } <$fd>;
2249        close $fd;
2250        git_print_header_div('shortlog');
2251        git_shortlog_body(\@revlist, 0, 15, $refs,
2252                          $cgi->a({-href => href(action=>"shortlog")}, "..."));
2253
2254        my $taglist = git_get_refs_list("refs/tags");
2255        if (defined @$taglist) {
2256                git_print_header_div('tags');
2257                git_tags_body($taglist, 0, 15,
2258                              $cgi->a({-href => href(action=>"tags")}, "..."));
2259        }
2260
2261        my $headlist = git_get_refs_list("refs/heads");
2262        if (defined @$headlist) {
2263                git_print_header_div('heads');
2264                git_heads_body($headlist, $head, 0, 15,
2265                               $cgi->a({-href => href(action=>"heads")}, "..."));
2266        }
2267
2268        git_footer_html();
2269}
2270
2271sub git_tag {
2272        my $head = git_get_head_hash($project);
2273        git_header_html();
2274        git_print_page_nav('','', $head,undef,$head);
2275        my %tag = parse_tag($hash);
2276        git_print_header_div('commit', esc_html($tag{'name'}), $hash);
2277        print "<div class=\"title_text\">\n" .
2278              "<table cellspacing=\"0\">\n" .
2279              "<tr>\n" .
2280              "<td>object</td>\n" .
2281              "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2282                               $tag{'object'}) . "</td>\n" .
2283              "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2284                                              $tag{'type'}) . "</td>\n" .
2285              "</tr>\n";
2286        if (defined($tag{'author'})) {
2287                my %ad = parse_date($tag{'epoch'}, $tag{'tz'});
2288                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
2289                print "<tr><td></td><td>" . $ad{'rfc2822'} .
2290                        sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) .
2291                        "</td></tr>\n";
2292        }
2293        print "</table>\n\n" .
2294              "</div>\n";
2295        print "<div class=\"page_body\">";
2296        my $comment = $tag{'comment'};
2297        foreach my $line (@$comment) {
2298                print esc_html($line) . "<br/>\n";
2299        }
2300        print "</div>\n";
2301        git_footer_html();
2302}
2303
2304sub git_blame2 {
2305        my $fd;
2306        my $ftype;
2307
2308        my ($have_blame) = gitweb_check_feature('blame');
2309        if (!$have_blame) {
2310                die_error('403 Permission denied', "Permission denied");
2311        }
2312        die_error('404 Not Found', "File name not defined") if (!$file_name);
2313        $hash_base ||= git_get_head_hash($project);
2314        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2315        my %co = parse_commit($hash_base)
2316                or die_error(undef, "Reading commit failed");
2317        if (!defined $hash) {
2318                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2319                        or die_error(undef, "Error looking up file");
2320        }
2321        $ftype = git_get_type($hash);
2322        if ($ftype !~ "blob") {
2323                die_error("400 Bad Request", "Object is not a blob");
2324        }
2325        open ($fd, "-|", git_cmd(), "blame", '-l', $file_name, $hash_base)
2326                or die_error(undef, "Open git-blame failed");
2327        git_header_html();
2328        my $formats_nav =
2329                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2330                        "blob") .
2331                " | " .
2332                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2333                        "head");
2334        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2335        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2336        git_print_page_path($file_name, $ftype, $hash_base);
2337        my @rev_color = (qw(light2 dark2));
2338        my $num_colors = scalar(@rev_color);
2339        my $current_color = 0;
2340        my $last_rev;
2341        print <<HTML;
2342<div class="page_body">
2343<table class="blame">
2344<tr><th>Commit</th><th>Line</th><th>Data</th></tr>
2345HTML
2346        while (<$fd>) {
2347                /^([0-9a-fA-F]{40}).*?(\d+)\)\s{1}(\s*.*)/;
2348                my $full_rev = $1;
2349                my $rev = substr($full_rev, 0, 8);
2350                my $lineno = $2;
2351                my $data = $3;
2352
2353                if (!defined $last_rev) {
2354                        $last_rev = $full_rev;
2355                } elsif ($last_rev ne $full_rev) {
2356                        $last_rev = $full_rev;
2357                        $current_color = ++$current_color % $num_colors;
2358                }
2359                print "<tr class=\"$rev_color[$current_color]\">\n";
2360                print "<td class=\"sha1\">" .
2361                        $cgi->a({-href => href(action=>"commit", hash=>$full_rev, file_name=>$file_name)},
2362                                esc_html($rev)) . "</td>\n";
2363                print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" .
2364                      esc_html($lineno) . "</a></td>\n";
2365                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
2366                print "</tr>\n";
2367        }
2368        print "</table>\n";
2369        print "</div>";
2370        close $fd
2371                or print "Reading blob failed\n";
2372        git_footer_html();
2373}
2374
2375sub git_blame {
2376        my $fd;
2377
2378        my ($have_blame) = gitweb_check_feature('blame');
2379        if (!$have_blame) {
2380                die_error('403 Permission denied', "Permission denied");
2381        }
2382        die_error('404 Not Found', "File name not defined") if (!$file_name);
2383        $hash_base ||= git_get_head_hash($project);
2384        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2385        my %co = parse_commit($hash_base)
2386                or die_error(undef, "Reading commit failed");
2387        if (!defined $hash) {
2388                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2389                        or die_error(undef, "Error lookup file");
2390        }
2391        open ($fd, "-|", git_cmd(), "annotate", '-l', '-t', '-r', $file_name, $hash_base)
2392                or die_error(undef, "Open git-annotate failed");
2393        git_header_html();
2394        my $formats_nav =
2395                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2396                        "blob") .
2397                " | " .
2398                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2399                        "head");
2400        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2401        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2402        git_print_page_path($file_name, 'blob', $hash_base);
2403        print "<div class=\"page_body\">\n";
2404        print <<HTML;
2405<table class="blame">
2406  <tr>
2407    <th>Commit</th>
2408    <th>Age</th>
2409    <th>Author</th>
2410    <th>Line</th>
2411    <th>Data</th>
2412  </tr>
2413HTML
2414        my @line_class = (qw(light dark));
2415        my $line_class_len = scalar (@line_class);
2416        my $line_class_num = $#line_class;
2417        while (my $line = <$fd>) {
2418                my $long_rev;
2419                my $short_rev;
2420                my $author;
2421                my $time;
2422                my $lineno;
2423                my $data;
2424                my $age;
2425                my $age_str;
2426                my $age_class;
2427
2428                chomp $line;
2429                $line_class_num = ($line_class_num + 1) % $line_class_len;
2430
2431                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) [+-]\d\d\d\d\t(\d+)\)(.*)$/) {
2432                        $long_rev = $1;
2433                        $author   = $2;
2434                        $time     = $3;
2435                        $lineno   = $4;
2436                        $data     = $5;
2437                } else {
2438                        print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
2439                        next;
2440                }
2441                $short_rev  = substr ($long_rev, 0, 8);
2442                $age        = time () - $time;
2443                $age_str    = age_string ($age);
2444                $age_str    =~ s/ /&nbsp;/g;
2445                $age_class  = age_class($age);
2446                $author     = esc_html ($author);
2447                $author     =~ s/ /&nbsp;/g;
2448
2449                $data = untabify($data);
2450                $data = esc_html ($data);
2451
2452                print <<HTML;
2453  <tr class="$line_class[$line_class_num]">
2454    <td class="sha1"><a href="${\href (action=>"commit", hash=>$long_rev)}" class="text">$short_rev..</a></td>
2455    <td class="$age_class">$age_str</td>
2456    <td>$author</td>
2457    <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
2458    <td class="pre">$data</td>
2459  </tr>
2460HTML
2461        } # while (my $line = <$fd>)
2462        print "</table>\n\n";
2463        close $fd
2464                or print "Reading blob failed.\n";
2465        print "</div>";
2466        git_footer_html();
2467}
2468
2469sub git_tags {
2470        my $head = git_get_head_hash($project);
2471        git_header_html();
2472        git_print_page_nav('','', $head,undef,$head);
2473        git_print_header_div('summary', $project);
2474
2475        my $taglist = git_get_refs_list("refs/tags");
2476        if (defined @$taglist) {
2477                git_tags_body($taglist);
2478        }
2479        git_footer_html();
2480}
2481
2482sub git_heads {
2483        my $head = git_get_head_hash($project);
2484        git_header_html();
2485        git_print_page_nav('','', $head,undef,$head);
2486        git_print_header_div('summary', $project);
2487
2488        my $taglist = git_get_refs_list("refs/heads");
2489        if (defined @$taglist) {
2490                git_heads_body($taglist, $head);
2491        }
2492        git_footer_html();
2493}
2494
2495sub git_blob_plain {
2496        # blobs defined by non-textual hash id's can be cached
2497        my $expires;
2498        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2499                $expires = "+1d";
2500        }
2501
2502        if (!defined $hash) {
2503                if (defined $file_name) {
2504                        my $base = $hash_base || git_get_head_hash($project);
2505                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2506                                or die_error(undef, "Error lookup file");
2507                } else {
2508                        die_error(undef, "No file name defined");
2509                }
2510        }
2511        my $type = shift;
2512        open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
2513                or die_error(undef, "Couldn't cat $file_name, $hash");
2514
2515        $type ||= blob_mimetype($fd, $file_name);
2516
2517        # save as filename, even when no $file_name is given
2518        my $save_as = "$hash";
2519        if (defined $file_name) {
2520                $save_as = $file_name;
2521        } elsif ($type =~ m/^text\//) {
2522                $save_as .= '.txt';
2523        }
2524
2525        print $cgi->header(
2526                -type => "$type",
2527                -expires=>$expires,
2528                -content_disposition => "inline; filename=\"$save_as\"");
2529        undef $/;
2530        binmode STDOUT, ':raw';
2531        print <$fd>;
2532        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2533        $/ = "\n";
2534        close $fd;
2535}
2536
2537sub git_blob {
2538        # blobs defined by non-textual hash id's can be cached
2539        my $expires;
2540        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2541                $expires = "+1d";
2542        }
2543
2544        if (!defined $hash) {
2545                if (defined $file_name) {
2546                        my $base = $hash_base || git_get_head_hash($project);
2547                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2548                                or die_error(undef, "Error lookup file");
2549                } else {
2550                        die_error(undef, "No file name defined");
2551                }
2552        }
2553        my ($have_blame) = gitweb_check_feature('blame');
2554        open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
2555                or die_error(undef, "Couldn't cat $file_name, $hash");
2556        my $mimetype = blob_mimetype($fd, $file_name);
2557        if ($mimetype !~ m/^text\//) {
2558                close $fd;
2559                return git_blob_plain($mimetype);
2560        }
2561        git_header_html(undef, $expires);
2562        my $formats_nav = '';
2563        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2564                if (defined $file_name) {
2565                        if ($have_blame) {
2566                                $formats_nav .=
2567                                        $cgi->a({-href => href(action=>"blame", hash_base=>$hash_base,
2568                                                               hash=>$hash, file_name=>$file_name)},
2569                                                "blame") .
2570                                        " | ";
2571                        }
2572                        $formats_nav .=
2573                                $cgi->a({-href => href(action=>"blob_plain",
2574                                                       hash=>$hash, file_name=>$file_name)},
2575                                        "plain") .
2576                                " | " .
2577                                $cgi->a({-href => href(action=>"blob",
2578                                                       hash_base=>"HEAD", file_name=>$file_name)},
2579                                        "head");
2580                } else {
2581                        $formats_nav .=
2582                                $cgi->a({-href => href(action=>"blob_plain", hash=>$hash)}, "plain");
2583                }
2584                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2585                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2586        } else {
2587                print "<div class=\"page_nav\">\n" .
2588                      "<br/><br/></div>\n" .
2589                      "<div class=\"title\">$hash</div>\n";
2590        }
2591        git_print_page_path($file_name, "blob", $hash_base);
2592        print "<div class=\"page_body\">\n";
2593        my $nr;
2594        while (my $line = <$fd>) {
2595                chomp $line;
2596                $nr++;
2597                $line = untabify($line);
2598                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
2599                       $nr, $nr, $nr, esc_html($line);
2600        }
2601        close $fd
2602                or print "Reading blob failed.\n";
2603        print "</div>";
2604        git_footer_html();
2605}
2606
2607sub git_tree {
2608        if (!defined $hash) {
2609                $hash = git_get_head_hash($project);
2610                if (defined $file_name) {
2611                        my $base = $hash_base || $hash;
2612                        $hash = git_get_hash_by_path($base, $file_name, "tree");
2613                }
2614                if (!defined $hash_base) {
2615                        $hash_base = $hash;
2616                }
2617        }
2618        $/ = "\0";
2619        open my $fd, "-|", git_cmd(), "ls-tree", '-z', $hash
2620                or die_error(undef, "Open git-ls-tree failed");
2621        my @entries = map { chomp; $_ } <$fd>;
2622        close $fd or die_error(undef, "Reading tree failed");
2623        $/ = "\n";
2624
2625        my $refs = git_get_references();
2626        my $ref = format_ref_marker($refs, $hash_base);
2627        git_header_html();
2628        my $base = "";
2629        my ($have_blame) = gitweb_check_feature('blame');
2630        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2631                git_print_page_nav('tree','', $hash_base);
2632                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
2633        } else {
2634                undef $hash_base;
2635                print "<div class=\"page_nav\">\n";
2636                print "<br/><br/></div>\n";
2637                print "<div class=\"title\">$hash</div>\n";
2638        }
2639        if (defined $file_name) {
2640                $base = esc_html("$file_name/");
2641        }
2642        git_print_page_path($file_name, 'tree', $hash_base);
2643        print "<div class=\"page_body\">\n";
2644        print "<table cellspacing=\"0\">\n";
2645        my $alternate = 0;
2646        foreach my $line (@entries) {
2647                my %t = parse_ls_tree_line($line, -z => 1);
2648
2649                if ($alternate) {
2650                        print "<tr class=\"dark\">\n";
2651                } else {
2652                        print "<tr class=\"light\">\n";
2653                }
2654                $alternate ^= 1;
2655
2656                git_print_tree_entry(\%t, $base, $hash_base, $have_blame);
2657
2658                print "</tr>\n";
2659        }
2660        print "</table>\n" .
2661              "</div>";
2662        git_footer_html();
2663}
2664
2665sub git_snapshot {
2666
2667        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2668        my $have_snapshot = (defined $ctype && defined $suffix);
2669        if (!$have_snapshot) {
2670                die_error('403 Permission denied', "Permission denied");
2671        }
2672
2673        if (!defined $hash) {
2674                $hash = git_get_head_hash($project);
2675        }
2676
2677        my $filename = basename($project) . "-$hash.tar.$suffix";
2678
2679        print $cgi->header(-type => 'application/x-tar',
2680                           -content_encoding => $ctype,
2681                           -content_disposition => "inline; filename=\"$filename\"",
2682                           -status => '200 OK');
2683
2684        my $git_command = git_cmd_str();
2685        open my $fd, "-|", "$git_command tar-tree $hash \'$project\' | $command" or
2686                die_error(undef, "Execute git-tar-tree failed.");
2687        binmode STDOUT, ':raw';
2688        print <$fd>;
2689        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2690        close $fd;
2691
2692}
2693
2694sub git_log {
2695        my $head = git_get_head_hash($project);
2696        if (!defined $hash) {
2697                $hash = $head;
2698        }
2699        if (!defined $page) {
2700                $page = 0;
2701        }
2702        my $refs = git_get_references();
2703
2704        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2705        open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash
2706                or die_error(undef, "Open git-rev-list failed");
2707        my @revlist = map { chomp; $_ } <$fd>;
2708        close $fd;
2709
2710        my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#revlist);
2711
2712        git_header_html();
2713        git_print_page_nav('log','', $hash,undef,undef, $paging_nav);
2714
2715        if (!@revlist) {
2716                my %co = parse_commit($hash);
2717
2718                git_print_header_div('summary', $project);
2719                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
2720        }
2721        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2722                my $commit = $revlist[$i];
2723                my $ref = format_ref_marker($refs, $commit);
2724                my %co = parse_commit($commit);
2725                next if !%co;
2726                my %ad = parse_date($co{'author_epoch'});
2727                git_print_header_div('commit',
2728                               "<span class=\"age\">$co{'age_string'}</span>" .
2729                               esc_html($co{'title'}) . $ref,
2730                               $commit);
2731                print "<div class=\"title_text\">\n" .
2732                      "<div class=\"log_link\">\n" .
2733                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
2734                      " | " .
2735                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
2736                      "<br/>\n" .
2737                      "</div>\n" .
2738                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
2739                      "</div>\n";
2740
2741                print "<div class=\"log_body\">\n";
2742                git_print_simplified_log($co{'comment'});
2743                print "</div>\n";
2744        }
2745        git_footer_html();
2746}
2747
2748sub git_commit {
2749        my %co = parse_commit($hash);
2750        if (!%co) {
2751                die_error(undef, "Unknown commit object");
2752        }
2753        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2754        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2755
2756        my $parent = $co{'parent'};
2757        if (!defined $parent) {
2758                $parent = "--root";
2759        }
2760        open my $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $parent, $hash
2761                or die_error(undef, "Open git-diff-tree failed");
2762        my @difftree = map { chomp; $_ } <$fd>;
2763        close $fd or die_error(undef, "Reading git-diff-tree failed");
2764
2765        # non-textual hash id's can be cached
2766        my $expires;
2767        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2768                $expires = "+1d";
2769        }
2770        my $refs = git_get_references();
2771        my $ref = format_ref_marker($refs, $co{'id'});
2772
2773        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
2774        my $have_snapshot = (defined $ctype && defined $suffix);
2775
2776        my $formats_nav = '';
2777        if (defined $file_name && defined $co{'parent'}) {
2778                my $parent = $co{'parent'};
2779                $formats_nav .=
2780                        $cgi->a({-href => href(action=>"blame", hash_parent=>$parent, file_name=>$file_name)},
2781                                "blame");
2782        }
2783        git_header_html(undef, $expires);
2784        git_print_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
2785                           $hash, $co{'tree'}, $hash,
2786                           $formats_nav);
2787
2788        if (defined $co{'parent'}) {
2789                git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
2790        } else {
2791                git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
2792        }
2793        print "<div class=\"title_text\">\n" .
2794              "<table cellspacing=\"0\">\n";
2795        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
2796              "<tr>" .
2797              "<td></td><td> $ad{'rfc2822'}";
2798        if ($ad{'hour_local'} < 6) {
2799                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
2800                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2801        } else {
2802                printf(" (%02d:%02d %s)",
2803                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2804        }
2805        print "</td>" .
2806              "</tr>\n";
2807        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
2808        print "<tr><td></td><td> $cd{'rfc2822'}" .
2809              sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) .
2810              "</td></tr>\n";
2811        print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
2812        print "<tr>" .
2813              "<td>tree</td>" .
2814              "<td class=\"sha1\">" .
2815              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
2816                       class => "list"}, $co{'tree'}) .
2817              "</td>" .
2818              "<td class=\"link\">" .
2819              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
2820                      "tree");
2821        if ($have_snapshot) {
2822                print " | " .
2823                      $cgi->a({-href => href(action=>"snapshot", hash=>$hash)}, "snapshot");
2824        }
2825        print "</td>" .
2826              "</tr>\n";
2827        my $parents = $co{'parents'};
2828        foreach my $par (@$parents) {
2829                print "<tr>" .
2830                      "<td>parent</td>" .
2831                      "<td class=\"sha1\">" .
2832                      $cgi->a({-href => href(action=>"commit", hash=>$par),
2833                               class => "list"}, $par) .
2834                      "</td>" .
2835                      "<td class=\"link\">" .
2836                      $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
2837                      " | " .
2838                      $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "diff") .
2839                      "</td>" .
2840                      "</tr>\n";
2841        }
2842        print "</table>".
2843              "</div>\n";
2844
2845        print "<div class=\"page_body\">\n";
2846        git_print_log($co{'comment'});
2847        print "</div>\n";
2848
2849        git_difftree_body(\@difftree, $hash, $parent);
2850
2851        git_footer_html();
2852}
2853
2854sub git_blobdiff {
2855        my $format = shift || 'html';
2856
2857        my $fd;
2858        my @difftree;
2859        my %diffinfo;
2860        my $expires;
2861
2862        # preparing $fd and %diffinfo for git_patchset_body
2863        # new style URI
2864        if (defined $hash_base && defined $hash_parent_base) {
2865                if (defined $file_name) {
2866                        # read raw output
2867                        open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base,
2868                                "--", $file_name
2869                                or die_error(undef, "Open git-diff-tree failed");
2870                        @difftree = map { chomp; $_ } <$fd>;
2871                        close $fd
2872                                or die_error(undef, "Reading git-diff-tree failed");
2873                        @difftree
2874                                or die_error('404 Not Found', "Blob diff not found");
2875
2876                } elsif (defined $hash &&
2877                         $hash =~ /[0-9a-fA-F]{40}/) {
2878                        # try to find filename from $hash
2879
2880                        # read filtered raw output
2881                        open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base
2882                                or die_error(undef, "Open git-diff-tree failed");
2883                        @difftree =
2884                                # ':100644 100644 03b21826... 3b93d5e7... M     ls-files.c'
2885                                # $hash == to_id
2886                                grep { /^:[0-7]{6} [0-7]{6} [0-9a-fA-F]{40} $hash/ }
2887                                map { chomp; $_ } <$fd>;
2888                        close $fd
2889                                or die_error(undef, "Reading git-diff-tree failed");
2890                        @difftree
2891                                or die_error('404 Not Found', "Blob diff not found");
2892
2893                } else {
2894                        die_error('404 Not Found', "Missing one of the blob diff parameters");
2895                }
2896
2897                if (@difftree > 1) {
2898                        die_error('404 Not Found', "Ambiguous blob diff specification");
2899                }
2900
2901                %diffinfo = parse_difftree_raw_line($difftree[0]);
2902                $file_parent ||= $diffinfo{'from_file'} || $file_name || $diffinfo{'file'};
2903                $file_name   ||= $diffinfo{'to_file'}   || $diffinfo{'file'};
2904
2905                $hash_parent ||= $diffinfo{'from_id'};
2906                $hash        ||= $diffinfo{'to_id'};
2907
2908                # non-textual hash id's can be cached
2909                if ($hash_base =~ m/^[0-9a-fA-F]{40}$/ &&
2910                    $hash_parent_base =~ m/^[0-9a-fA-F]{40}$/) {
2911                        $expires = '+1d';
2912                }
2913
2914                # open patch output
2915                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
2916                        '-p', $hash_parent_base, $hash_base,
2917                        "--", $file_name
2918                        or die_error(undef, "Open git-diff-tree failed");
2919        }
2920
2921        # old/legacy style URI
2922        if (!%diffinfo && # if new style URI failed
2923            defined $hash && defined $hash_parent) {
2924                # fake git-diff-tree raw output
2925                $diffinfo{'from_mode'} = $diffinfo{'to_mode'} = "blob";
2926                $diffinfo{'from_id'} = $hash_parent;
2927                $diffinfo{'to_id'}   = $hash;
2928                if (defined $file_name) {
2929                        if (defined $file_parent) {
2930                                $diffinfo{'status'} = '2';
2931                                $diffinfo{'from_file'} = $file_parent;
2932                                $diffinfo{'to_file'}   = $file_name;
2933                        } else { # assume not renamed
2934                                $diffinfo{'status'} = '1';
2935                                $diffinfo{'from_file'} = $file_name;
2936                                $diffinfo{'to_file'}   = $file_name;
2937                        }
2938                } else { # no filename given
2939                        $diffinfo{'status'} = '2';
2940                        $diffinfo{'from_file'} = $hash_parent;
2941                        $diffinfo{'to_file'}   = $hash;
2942                }
2943
2944                # non-textual hash id's can be cached
2945                if ($hash =~ m/^[0-9a-fA-F]{40}$/ &&
2946                    $hash_parent =~ m/^[0-9a-fA-F]{40}$/) {
2947                        $expires = '+1d';
2948                }
2949
2950                # open patch output
2951                open $fd, "-|", git_cmd(), "diff", '-p', @diff_opts, $hash_parent, $hash
2952                        or die_error(undef, "Open git-diff failed");
2953        } else  {
2954                die_error('404 Not Found', "Missing one of the blob diff parameters")
2955                        unless %diffinfo;
2956        }
2957
2958        # header
2959        if ($format eq 'html') {
2960                my $formats_nav =
2961                        $cgi->a({-href => href(action=>"blobdiff_plain",
2962                                               hash=>$hash, hash_parent=>$hash_parent,
2963                                               hash_base=>$hash_base, hash_parent_base=>$hash_parent_base,
2964                                               file_name=>$file_name, file_parent=>$file_parent)},
2965                                "plain");
2966                git_header_html(undef, $expires);
2967                if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2968                        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2969                        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2970                } else {
2971                        print "<div class=\"page_nav\"><br/>$formats_nav<br/></div>\n";
2972                        print "<div class=\"title\">$hash vs $hash_parent</div>\n";
2973                }
2974                if (defined $file_name) {
2975                        git_print_page_path($file_name, "blob", $hash_base);
2976                } else {
2977                        print "<div class=\"page_path\"></div>\n";
2978                }
2979
2980        } elsif ($format eq 'plain') {
2981                print $cgi->header(
2982                        -type => 'text/plain',
2983                        -charset => 'utf-8',
2984                        -expires => $expires,
2985                        -content_disposition => qq(inline; filename="${file_name}.patch"));
2986
2987                print "X-Git-Url: " . $cgi->self_url() . "\n\n";
2988
2989        } else {
2990                die_error(undef, "Unknown blobdiff format");
2991        }
2992
2993        # patch
2994        if ($format eq 'html') {
2995                print "<div class=\"page_body\">\n";
2996
2997                git_patchset_body($fd, [ \%diffinfo ], $hash_base, $hash_parent_base);
2998                close $fd;
2999
3000                print "</div>\n"; # class="page_body"
3001                git_footer_html();
3002
3003        } else {
3004                while (my $line = <$fd>) {
3005                        $line =~ s!a/($hash|$hash_parent)!a/$diffinfo{'from_file'}!g;
3006                        $line =~ s!b/($hash|$hash_parent)!b/$diffinfo{'to_file'}!g;
3007
3008                        print $line;
3009
3010                        last if $line =~ m!^\+\+\+!;
3011                }
3012                local $/ = undef;
3013                print <$fd>;
3014                close $fd;
3015        }
3016}
3017
3018sub git_blobdiff_plain {
3019        git_blobdiff('plain');
3020}
3021
3022sub git_commitdiff {
3023        my $format = shift || 'html';
3024        my %co = parse_commit($hash);
3025        if (!%co) {
3026                die_error(undef, "Unknown commit object");
3027        }
3028        if (!defined $hash_parent) {
3029                $hash_parent = $co{'parent'} || '--root';
3030        }
3031
3032        # read commitdiff
3033        my $fd;
3034        my @difftree;
3035        if ($format eq 'html') {
3036                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3037                        "--patch-with-raw", "--full-index", $hash_parent, $hash
3038                        or die_error(undef, "Open git-diff-tree failed");
3039
3040                while (chomp(my $line = <$fd>)) {
3041                        # empty line ends raw part of diff-tree output
3042                        last unless $line;
3043                        push @difftree, $line;
3044                }
3045
3046        } elsif ($format eq 'plain') {
3047                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3048                        '-p', $hash_parent, $hash
3049                        or die_error(undef, "Open git-diff-tree failed");
3050
3051        } else {
3052                die_error(undef, "Unknown commitdiff format");
3053        }
3054
3055        # non-textual hash id's can be cached
3056        my $expires;
3057        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
3058                $expires = "+1d";
3059        }
3060
3061        # write commit message
3062        if ($format eq 'html') {
3063                my $refs = git_get_references();
3064                my $ref = format_ref_marker($refs, $co{'id'});
3065                my $formats_nav =
3066                        $cgi->a({-href => href(action=>"commitdiff_plain",
3067                                               hash=>$hash, hash_parent=>$hash_parent)},
3068                                "plain");
3069
3070                git_header_html(undef, $expires);
3071                git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
3072                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
3073                git_print_authorship(\%co);
3074                print "<div class=\"page_body\">\n";
3075                print "<div class=\"log\">\n";
3076                git_print_simplified_log($co{'comment'}, 1); # skip title
3077                print "</div>\n"; # class="log"
3078
3079        } elsif ($format eq 'plain') {
3080                my $refs = git_get_references("tags");
3081                my $tagname = git_get_rev_name_tags($hash);
3082                my $filename = basename($project) . "-$hash.patch";
3083
3084                print $cgi->header(
3085                        -type => 'text/plain',
3086                        -charset => 'utf-8',
3087                        -expires => $expires,
3088                        -content_disposition => qq(inline; filename="$filename"));
3089                my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
3090                print <<TEXT;
3091From: $co{'author'}
3092Date: $ad{'rfc2822'} ($ad{'tz_local'})
3093Subject: $co{'title'}
3094TEXT
3095                print "X-Git-Tag: $tagname\n" if $tagname;
3096                print "X-Git-Url: " . $cgi->self_url() . "\n\n";
3097
3098                foreach my $line (@{$co{'comment'}}) {
3099                        print "$line\n";
3100                }
3101                print "---\n\n";
3102        }
3103
3104        # write patch
3105        if ($format eq 'html') {
3106                git_difftree_body(\@difftree, $hash, $hash_parent);
3107                print "<br/>\n";
3108
3109                git_patchset_body($fd, \@difftree, $hash, $hash_parent);
3110                close $fd;
3111                print "</div>\n"; # class="page_body"
3112                git_footer_html();
3113
3114        } elsif ($format eq 'plain') {
3115                local $/ = undef;
3116                print <$fd>;
3117                close $fd
3118                        or print "Reading git-diff-tree failed\n";
3119        }
3120}
3121
3122sub git_commitdiff_plain {
3123        git_commitdiff('plain');
3124}
3125
3126sub git_history {
3127        if (!defined $hash_base) {
3128                $hash_base = git_get_head_hash($project);
3129        }
3130        if (!defined $page) {
3131                $page = 0;
3132        }
3133        my $ftype;
3134        my %co = parse_commit($hash_base);
3135        if (!%co) {
3136                die_error(undef, "Unknown commit object");
3137        }
3138
3139        my $refs = git_get_references();
3140        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3141
3142        if (!defined $hash && defined $file_name) {
3143                $hash = git_get_hash_by_path($hash_base, $file_name);
3144        }
3145        if (defined $hash) {
3146                $ftype = git_get_type($hash);
3147        }
3148
3149        open my $fd, "-|",
3150                git_cmd(), "rev-list", $limit, "--full-history", $hash_base, "--", $file_name
3151                        or die_error(undef, "Open git-rev-list-failed");
3152        my @revlist = map { chomp; $_ } <$fd>;
3153        close $fd
3154                or die_error(undef, "Reading git-rev-list failed");
3155
3156        my $paging_nav = '';
3157        if ($page > 0) {
3158                $paging_nav .=
3159                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3160                                               file_name=>$file_name)},
3161                                "first");
3162                $paging_nav .= " &sdot; " .
3163                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3164                                               file_name=>$file_name, page=>$page-1),
3165                                 -accesskey => "p", -title => "Alt-p"}, "prev");
3166        } else {
3167                $paging_nav .= "first";
3168                $paging_nav .= " &sdot; prev";
3169        }
3170        if ($#revlist >= (100 * ($page+1)-1)) {
3171                $paging_nav .= " &sdot; " .
3172                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3173                                               file_name=>$file_name, page=>$page+1),
3174                                 -accesskey => "n", -title => "Alt-n"}, "next");
3175        } else {
3176                $paging_nav .= " &sdot; next";
3177        }
3178        my $next_link = '';
3179        if ($#revlist >= (100 * ($page+1)-1)) {
3180                $next_link =
3181                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3182                                               file_name=>$file_name, page=>$page+1),
3183                                 -title => "Alt-n"}, "next");
3184        }
3185
3186        git_header_html();
3187        git_print_page_nav('history','', $hash_base,$co{'tree'},$hash_base, $paging_nav);
3188        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
3189        git_print_page_path($file_name, $ftype, $hash_base);
3190
3191        git_history_body(\@revlist, ($page * 100), $#revlist,
3192                         $refs, $hash_base, $ftype, $next_link);
3193
3194        git_footer_html();
3195}
3196
3197sub git_search {
3198        if (!defined $searchtext) {
3199                die_error(undef, "Text field empty");
3200        }
3201        if (!defined $hash) {
3202                $hash = git_get_head_hash($project);
3203        }
3204        my %co = parse_commit($hash);
3205        if (!%co) {
3206                die_error(undef, "Unknown commit object");
3207        }
3208
3209        my $commit_search = 1;
3210        my $author_search = 0;
3211        my $committer_search = 0;
3212        my $pickaxe_search = 0;
3213        if ($searchtext =~ s/^author\\://i) {
3214                $author_search = 1;
3215        } elsif ($searchtext =~ s/^committer\\://i) {
3216                $committer_search = 1;
3217        } elsif ($searchtext =~ s/^pickaxe\\://i) {
3218                $commit_search = 0;
3219                $pickaxe_search = 1;
3220
3221                # pickaxe may take all resources of your box and run for several minutes
3222                # with every query - so decide by yourself how public you make this feature
3223                my ($have_pickaxe) = gitweb_check_feature('pickaxe');
3224                if (!$have_pickaxe) {
3225                        die_error('403 Permission denied', "Permission denied");
3226                }
3227        }
3228        git_header_html();
3229        git_print_page_nav('','', $hash,$co{'tree'},$hash);
3230        git_print_header_div('commit', esc_html($co{'title'}), $hash);
3231
3232        print "<table cellspacing=\"0\">\n";
3233        my $alternate = 0;
3234        if ($commit_search) {
3235                $/ = "\0";
3236                open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", $hash or next;
3237                while (my $commit_text = <$fd>) {
3238                        if (!grep m/$searchtext/i, $commit_text) {
3239                                next;
3240                        }
3241                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
3242                                next;
3243                        }
3244                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
3245                                next;
3246                        }
3247                        my @commit_lines = split "\n", $commit_text;
3248                        my %co = parse_commit(undef, \@commit_lines);
3249                        if (!%co) {
3250                                next;
3251                        }
3252                        if ($alternate) {
3253                                print "<tr class=\"dark\">\n";
3254                        } else {
3255                                print "<tr class=\"light\">\n";
3256                        }
3257                        $alternate ^= 1;
3258                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3259                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3260                              "<td>" .
3261                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), -class => "list subject"},
3262                                       esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3263                        my $comment = $co{'comment'};
3264                        foreach my $line (@$comment) {
3265                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
3266                                        my $lead = esc_html($1) || "";
3267                                        $lead = chop_str($lead, 30, 10);
3268                                        my $match = esc_html($2) || "";
3269                                        my $trail = esc_html($3) || "";
3270                                        $trail = chop_str($trail, 30, 10);
3271                                        my $text = "$lead<span class=\"match\">$match</span>$trail";
3272                                        print chop_str($text, 80, 5) . "<br/>\n";
3273                                }
3274                        }
3275                        print "</td>\n" .
3276                              "<td class=\"link\">" .
3277                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3278                              " | " .
3279                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3280                        print "</td>\n" .
3281                              "</tr>\n";
3282                }
3283                close $fd;
3284        }
3285
3286        if ($pickaxe_search) {
3287                $/ = "\n";
3288                my $git_command = git_cmd_str();
3289                open my $fd, "-|", "$git_command rev-list $hash | " .
3290                        "$git_command diff-tree -r --stdin -S\'$searchtext\'";
3291                undef %co;
3292                my @files;
3293                while (my $line = <$fd>) {
3294                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
3295                                my %set;
3296                                $set{'file'} = $6;
3297                                $set{'from_id'} = $3;
3298                                $set{'to_id'} = $4;
3299                                $set{'id'} = $set{'to_id'};
3300                                if ($set{'id'} =~ m/0{40}/) {
3301                                        $set{'id'} = $set{'from_id'};
3302                                }
3303                                if ($set{'id'} =~ m/0{40}/) {
3304                                        next;
3305                                }
3306                                push @files, \%set;
3307                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
3308                                if (%co) {
3309                                        if ($alternate) {
3310                                                print "<tr class=\"dark\">\n";
3311                                        } else {
3312                                                print "<tr class=\"light\">\n";
3313                                        }
3314                                        $alternate ^= 1;
3315                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3316                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3317                                              "<td>" .
3318                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
3319                                                      -class => "list subject"},
3320                                                      esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3321                                        while (my $setref = shift @files) {
3322                                                my %set = %$setref;
3323                                                print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
3324                                                                             hash=>$set{'id'}, file_name=>$set{'file'}),
3325                                                              -class => "list"},
3326                                                              "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
3327                                                      "<br/>\n";
3328                                        }
3329                                        print "</td>\n" .
3330                                              "<td class=\"link\">" .
3331                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3332                                              " | " .
3333                                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3334                                        print "</td>\n" .
3335                                              "</tr>\n";
3336                                }
3337                                %co = parse_commit($1);
3338                        }
3339                }
3340                close $fd;
3341        }
3342        print "</table>\n";
3343        git_footer_html();
3344}
3345
3346sub git_shortlog {
3347        my $head = git_get_head_hash($project);
3348        if (!defined $hash) {
3349                $hash = $head;
3350        }
3351        if (!defined $page) {
3352                $page = 0;
3353        }
3354        my $refs = git_get_references();
3355
3356        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3357        open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash
3358                or die_error(undef, "Open git-rev-list failed");
3359        my @revlist = map { chomp; $_ } <$fd>;
3360        close $fd;
3361
3362        my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#revlist);
3363        my $next_link = '';
3364        if ($#revlist >= (100 * ($page+1)-1)) {
3365                $next_link =
3366                        $cgi->a({-href => href(action=>"shortlog", hash=>$hash, page=>$page+1),
3367                                 -title => "Alt-n"}, "next");
3368        }
3369
3370
3371        git_header_html();
3372        git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
3373        git_print_header_div('summary', $project);
3374
3375        git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
3376
3377        git_footer_html();
3378}
3379
3380## ......................................................................
3381## feeds (RSS, OPML)
3382
3383sub git_rss {
3384        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
3385        open my $fd, "-|", git_cmd(), "rev-list", "--max-count=150", git_get_head_hash($project)
3386                or die_error(undef, "Open git-rev-list failed");
3387        my @revlist = map { chomp; $_ } <$fd>;
3388        close $fd or die_error(undef, "Reading git-rev-list failed");
3389        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3390        print <<XML;
3391<?xml version="1.0" encoding="utf-8"?>
3392<rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
3393<channel>
3394<title>$project $my_uri $my_url</title>
3395<link>${\esc_html("$my_url?p=$project;a=summary")}</link>
3396<description>$project log</description>
3397<language>en</language>
3398XML
3399
3400        for (my $i = 0; $i <= $#revlist; $i++) {
3401                my $commit = $revlist[$i];
3402                my %co = parse_commit($commit);
3403                # we read 150, we always show 30 and the ones more recent than 48 hours
3404                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
3405                        last;
3406                }
3407                my %cd = parse_date($co{'committer_epoch'});
3408                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3409                        $co{'parent'}, $co{'id'}
3410                        or next;
3411                my @difftree = map { chomp; $_ } <$fd>;
3412                close $fd
3413                        or next;
3414                print "<item>\n" .
3415                      "<title>" .
3416                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
3417                      "</title>\n" .
3418                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
3419                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
3420                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
3421                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
3422                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
3423                      "<content:encoded>" .
3424                      "<![CDATA[\n";
3425                my $comment = $co{'comment'};
3426                foreach my $line (@$comment) {
3427                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
3428                        print "$line<br/>\n";
3429                }
3430                print "<br/>\n";
3431                foreach my $line (@difftree) {
3432                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
3433                                next;
3434                        }
3435                        my $file = validate_input(unquote($7));
3436                        $file = decode("utf8", $file, Encode::FB_DEFAULT);
3437                        print "$file<br/>\n";
3438                }
3439                print "]]>\n" .
3440                      "</content:encoded>\n" .
3441                      "</item>\n";
3442        }
3443        print "</channel></rss>";
3444}
3445
3446sub git_opml {
3447        my @list = git_get_projects_list();
3448
3449        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3450        print <<XML;
3451<?xml version="1.0" encoding="utf-8"?>
3452<opml version="1.0">
3453<head>
3454  <title>$site_name Git OPML Export</title>
3455</head>
3456<body>
3457<outline text="git RSS feeds">
3458XML
3459
3460        foreach my $pr (@list) {
3461                my %proj = %$pr;
3462                my $head = git_get_head_hash($proj{'path'});
3463                if (!defined $head) {
3464                        next;
3465                }
3466                $git_dir = "$projectroot/$proj{'path'}";
3467                my %co = parse_commit($head);
3468                if (!%co) {
3469                        next;
3470                }
3471
3472                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
3473                my $rss  = "$my_url?p=$proj{'path'};a=rss";
3474                my $html = "$my_url?p=$proj{'path'};a=summary";
3475                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
3476        }
3477        print <<XML;
3478</outline>
3479</body>
3480</opml>
3481XML
3482}