git.oblomov.eu Git - git/blob - gitweb/gitweb.perl

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