gitweb / gitweb.perlon commit gitweb: Restore object-named links in item lists (4777b01)
   1#!/usr/bin/perl
   2
   3# gitweb - simple web interface to track changes in git repositories
   4#
   5# (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
   6# (C) 2005, Christian Gierke
   7#
   8# This program is licensed under the GPLv2
   9
  10use strict;
  11use warnings;
  12use CGI qw(:standard :escapeHTML -nosticky);
  13use CGI::Util qw(unescape);
  14use CGI::Carp qw(fatalsToBrowser);
  15use Encode;
  16use Fcntl ':mode';
  17use File::Find qw();
  18use File::Basename qw(basename);
  19binmode STDOUT, ':utf8';
  20
  21our $cgi = new CGI;
  22our $version = "++GIT_VERSION++";
  23our $my_url = $cgi->url();
  24our $my_uri = $cgi->url(-absolute => 1);
  25
  26# core git executable to use
  27# this can just be "git" if your webserver has a sensible PATH
  28our $GIT = "++GIT_BINDIR++/git";
  29
  30# absolute fs-path which will be prepended to the project path
  31#our $projectroot = "/pub/scm";
  32our $projectroot = "++GITWEB_PROJECTROOT++";
  33
  34# target of the home link on top of all pages
  35our $home_link = $my_uri || "/";
  36
  37# string of the home link on top of all pages
  38our $home_link_str = "++GITWEB_HOME_LINK_STR++";
  39
  40# name of your site or organization to appear in page titles
  41# replace this with something more descriptive for clearer bookmarks
  42our $site_name = "++GITWEB_SITENAME++" || $ENV{'SERVER_NAME'} || "Untitled";
  43
  44# filename of html text to include at top of each page
  45our $site_header = "++GITWEB_SITE_HEADER++";
  46# html text to include at home page
  47our $home_text = "++GITWEB_HOMETEXT++";
  48# filename of html text to include at bottom of each page
  49our $site_footer = "++GITWEB_SITE_FOOTER++";
  50
  51# URI of stylesheets
  52our @stylesheets = ("++GITWEB_CSS++");
  53our $stylesheet;
  54# default is not to define style sheet, but it can be overwritten later
  55undef $stylesheet;
  56
  57# URI of default stylesheet
  58our $stylesheet = "++GITWEB_CSS++";
  59# URI of GIT logo (72x27 size)
  60our $logo = "++GITWEB_LOGO++";
  61# URI of GIT favicon, assumed to be image/png type
  62our $favicon = "++GITWEB_FAVICON++";
  63
  64# URI and label (title) of GIT logo link
  65#our $logo_url = "http://www.kernel.org/pub/software/scm/git/docs/";
  66#our $logo_label = "git documentation";
  67our $logo_url = "http://git.or.cz/";
  68our $logo_label = "git homepage";
  69
  70# source of projects list
  71our $projects_list = "++GITWEB_LIST++";
  72
  73# show repository only if this file exists
  74# (only effective if this variable evaluates to true)
  75our $export_ok = "++GITWEB_EXPORT_OK++";
  76
  77# only allow viewing of repositories also shown on the overview page
  78our $strict_export = "++GITWEB_STRICT_EXPORT++";
  79
  80# list of git base URLs used for URL to where fetch project from,
  81# i.e. full URL is "$git_base_url/$project"
  82our @git_base_url_list = ("++GITWEB_BASE_URL++");
  83
  84# default blob_plain mimetype and default charset for text/plain blob
  85our $default_blob_plain_mimetype = 'text/plain';
  86our $default_text_plain_charset  = undef;
  87
  88# file to use for guessing MIME types before trying /etc/mime.types
  89# (relative to the current git repository)
  90our $mimetypes_file = undef;
  91
  92# You define site-wide feature defaults here; override them with
  93# $GITWEB_CONFIG as necessary.
  94our %feature = (
  95        # feature => {
  96        #       'sub' => feature-sub (subroutine),
  97        #       'override' => allow-override (boolean),
  98        #       'default' => [ default options...] (array reference)}
  99        #
 100        # if feature is overridable (it means that allow-override has true value,
 101        # then feature-sub will be called with default options as parameters;
 102        # return value of feature-sub indicates if to enable specified feature
 103        #
 104        # use gitweb_check_feature(<feature>) to check if <feature> is enabled
 105
 106        # Enable the 'blame' blob view, showing the last commit that modified
 107        # each line in the file. This can be very CPU-intensive.
 108
 109        # To enable system wide have in $GITWEB_CONFIG
 110        # $feature{'blame'}{'default'} = [1];
 111        # To have project specific config enable override in $GITWEB_CONFIG
 112        # $feature{'blame'}{'override'} = 1;
 113        # and in project config gitweb.blame = 0|1;
 114        'blame' => {
 115                'sub' => \&feature_blame,
 116                'override' => 0,
 117                'default' => [0]},
 118
 119        # Enable the 'snapshot' link, providing a compressed tarball of any
 120        # tree. This can potentially generate high traffic if you have large
 121        # project.
 122
 123        # To disable system wide have in $GITWEB_CONFIG
 124        # $feature{'snapshot'}{'default'} = [undef];
 125        # To have project specific config enable override in $GITWEB_CONFIG
 126        # $feature{'blame'}{'override'} = 1;
 127        # and in project config gitweb.snapshot = none|gzip|bzip2;
 128        'snapshot' => {
 129                'sub' => \&feature_snapshot,
 130                'override' => 0,
 131                #         => [content-encoding, suffix, program]
 132                'default' => ['x-gzip', 'gz', 'gzip']},
 133
 134        # Enable the pickaxe search, which will list the commits that modified
 135        # a given string in a file. This can be practical and quite faster
 136        # alternative to 'blame', but still potentially CPU-intensive.
 137
 138        # To enable system wide have in $GITWEB_CONFIG
 139        # $feature{'pickaxe'}{'default'} = [1];
 140        # To have project specific config enable override in $GITWEB_CONFIG
 141        # $feature{'pickaxe'}{'override'} = 1;
 142        # and in project config gitweb.pickaxe = 0|1;
 143        'pickaxe' => {
 144                'sub' => \&feature_pickaxe,
 145                'override' => 0,
 146                'default' => [1]},
 147
 148        # Make gitweb use an alternative format of the URLs which can be
 149        # more readable and natural-looking: project name is embedded
 150        # directly in the path and the query string contains other
 151        # auxiliary information. All gitweb installations recognize
 152        # URL in either format; this configures in which formats gitweb
 153        # generates links.
 154
 155        # To enable system wide have in $GITWEB_CONFIG
 156        # $feature{'pathinfo'}{'default'} = [1];
 157        # Project specific override is not supported.
 158
 159        # Note that you will need to change the default location of CSS,
 160        # favicon, logo and possibly other files to an absolute URL. Also,
 161        # if gitweb.cgi serves as your indexfile, you will need to force
 162        # $my_uri to contain the script name in your $GITWEB_CONFIG.
 163        'pathinfo' => {
 164                'override' => 0,
 165                'default' => [0]},
 166);
 167
 168sub gitweb_check_feature {
 169        my ($name) = @_;
 170        return unless exists $feature{$name};
 171        my ($sub, $override, @defaults) = (
 172                $feature{$name}{'sub'},
 173                $feature{$name}{'override'},
 174                @{$feature{$name}{'default'}});
 175        if (!$override) { return @defaults; }
 176        if (!defined $sub) {
 177                warn "feature $name is not overrideable";
 178                return @defaults;
 179        }
 180        return $sub->(@defaults);
 181}
 182
 183sub feature_blame {
 184        my ($val) = git_get_project_config('blame', '--bool');
 185
 186        if ($val eq 'true') {
 187                return 1;
 188        } elsif ($val eq 'false') {
 189                return 0;
 190        }
 191
 192        return $_[0];
 193}
 194
 195sub feature_snapshot {
 196        my ($ctype, $suffix, $command) = @_;
 197
 198        my ($val) = git_get_project_config('snapshot');
 199
 200        if ($val eq 'gzip') {
 201                return ('x-gzip', 'gz', 'gzip');
 202        } elsif ($val eq 'bzip2') {
 203                return ('x-bzip2', 'bz2', 'bzip2');
 204        } elsif ($val eq 'none') {
 205                return ();
 206        }
 207
 208        return ($ctype, $suffix, $command);
 209}
 210
 211sub gitweb_have_snapshot {
 212        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
 213        my $have_snapshot = (defined $ctype && defined $suffix);
 214
 215        return $have_snapshot;
 216}
 217
 218sub feature_pickaxe {
 219        my ($val) = git_get_project_config('pickaxe', '--bool');
 220
 221        if ($val eq 'true') {
 222                return (1);
 223        } elsif ($val eq 'false') {
 224                return (0);
 225        }
 226
 227        return ($_[0]);
 228}
 229
 230# checking HEAD file with -e is fragile if the repository was
 231# initialized long time ago (i.e. symlink HEAD) and was pack-ref'ed
 232# and then pruned.
 233sub check_head_link {
 234        my ($dir) = @_;
 235        my $headfile = "$dir/HEAD";
 236        return ((-e $headfile) ||
 237                (-l $headfile && readlink($headfile) =~ /^refs\/heads\//));
 238}
 239
 240sub check_export_ok {
 241        my ($dir) = @_;
 242        return (check_head_link($dir) &&
 243                (!$export_ok || -e "$dir/$export_ok"));
 244}
 245
 246# rename detection options for git-diff and git-diff-tree
 247# - default is '-M', with the cost proportional to
 248#   (number of removed files) * (number of new files).
 249# - more costly is '-C' (or '-C', '-M'), with the cost proportional to
 250#   (number of changed files + number of removed files) * (number of new files)
 251# - even more costly is '-C', '--find-copies-harder' with cost
 252#   (number of files in the original tree) * (number of new files)
 253# - one might want to include '-B' option, e.g. '-B', '-M'
 254our @diff_opts = ('-M'); # taken from git_commit
 255
 256our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
 257do $GITWEB_CONFIG if -e $GITWEB_CONFIG;
 258
 259# version of the core git binary
 260our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
 261
 262$projects_list ||= $projectroot;
 263
 264# ======================================================================
 265# input validation and dispatch
 266our $action = $cgi->param('a');
 267if (defined $action) {
 268        if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
 269                die_error(undef, "Invalid action parameter");
 270        }
 271}
 272
 273# parameters which are pathnames
 274our $project = $cgi->param('p');
 275if (defined $project) {
 276        if (!validate_pathname($project) ||
 277            !(-d "$projectroot/$project") ||
 278            !check_head_link("$projectroot/$project") ||
 279            ($export_ok && !(-e "$projectroot/$project/$export_ok")) ||
 280            ($strict_export && !project_in_list($project))) {
 281                undef $project;
 282                die_error(undef, "No such project");
 283        }
 284}
 285
 286our $file_name = $cgi->param('f');
 287if (defined $file_name) {
 288        if (!validate_pathname($file_name)) {
 289                die_error(undef, "Invalid file parameter");
 290        }
 291}
 292
 293our $file_parent = $cgi->param('fp');
 294if (defined $file_parent) {
 295        if (!validate_pathname($file_parent)) {
 296                die_error(undef, "Invalid file parent parameter");
 297        }
 298}
 299
 300# parameters which are refnames
 301our $hash = $cgi->param('h');
 302if (defined $hash) {
 303        if (!validate_refname($hash)) {
 304                die_error(undef, "Invalid hash parameter");
 305        }
 306}
 307
 308our $hash_parent = $cgi->param('hp');
 309if (defined $hash_parent) {
 310        if (!validate_refname($hash_parent)) {
 311                die_error(undef, "Invalid hash parent parameter");
 312        }
 313}
 314
 315our $hash_base = $cgi->param('hb');
 316if (defined $hash_base) {
 317        if (!validate_refname($hash_base)) {
 318                die_error(undef, "Invalid hash base parameter");
 319        }
 320}
 321
 322our $hash_parent_base = $cgi->param('hpb');
 323if (defined $hash_parent_base) {
 324        if (!validate_refname($hash_parent_base)) {
 325                die_error(undef, "Invalid hash parent base parameter");
 326        }
 327}
 328
 329# other parameters
 330our $page = $cgi->param('pg');
 331if (defined $page) {
 332        if ($page =~ m/[^0-9]/) {
 333                die_error(undef, "Invalid page parameter");
 334        }
 335}
 336
 337our $searchtext = $cgi->param('s');
 338if (defined $searchtext) {
 339        if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 340                die_error(undef, "Invalid search parameter");
 341        }
 342        $searchtext = quotemeta $searchtext;
 343}
 344
 345# now read PATH_INFO and use it as alternative to parameters
 346sub evaluate_path_info {
 347        return if defined $project;
 348        my $path_info = $ENV{"PATH_INFO"};
 349        return if !$path_info;
 350        $path_info =~ s,^/+,,;
 351        return if !$path_info;
 352        # find which part of PATH_INFO is project
 353        $project = $path_info;
 354        $project =~ s,/+$,,;
 355        while ($project && !check_head_link("$projectroot/$project")) {
 356                $project =~ s,/*[^/]*$,,;
 357        }
 358        # validate project
 359        $project = validate_pathname($project);
 360        if (!$project ||
 361            ($export_ok && !-e "$projectroot/$project/$export_ok") ||
 362            ($strict_export && !project_in_list($project))) {
 363                undef $project;
 364                return;
 365        }
 366        # do not change any parameters if an action is given using the query string
 367        return if $action;
 368        $path_info =~ s,^$project/*,,;
 369        my ($refname, $pathname) = split(/:/, $path_info, 2);
 370        if (defined $pathname) {
 371                # we got "project.git/branch:filename" or "project.git/branch:dir/"
 372                # we could use git_get_type(branch:pathname), but it needs $git_dir
 373                $pathname =~ s,^/+,,;
 374                if (!$pathname || substr($pathname, -1) eq "/") {
 375                        $action  ||= "tree";
 376                        $pathname =~ s,/$,,;
 377                } else {
 378                        $action  ||= "blob_plain";
 379                }
 380                $hash_base ||= validate_refname($refname);
 381                $file_name ||= validate_pathname($pathname);
 382        } elsif (defined $refname) {
 383                # we got "project.git/branch"
 384                $action ||= "shortlog";
 385                $hash   ||= validate_refname($refname);
 386        }
 387}
 388evaluate_path_info();
 389
 390# path to the current git repository
 391our $git_dir;
 392$git_dir = "$projectroot/$project" if $project;
 393
 394# dispatch
 395my %actions = (
 396        "blame" => \&git_blame2,
 397        "blobdiff" => \&git_blobdiff,
 398        "blobdiff_plain" => \&git_blobdiff_plain,
 399        "blob" => \&git_blob,
 400        "blob_plain" => \&git_blob_plain,
 401        "commitdiff" => \&git_commitdiff,
 402        "commitdiff_plain" => \&git_commitdiff_plain,
 403        "commit" => \&git_commit,
 404        "heads" => \&git_heads,
 405        "history" => \&git_history,
 406        "log" => \&git_log,
 407        "rss" => \&git_rss,
 408        "search" => \&git_search,
 409        "shortlog" => \&git_shortlog,
 410        "summary" => \&git_summary,
 411        "tag" => \&git_tag,
 412        "tags" => \&git_tags,
 413        "tree" => \&git_tree,
 414        "snapshot" => \&git_snapshot,
 415        # those below don't need $project
 416        "opml" => \&git_opml,
 417        "project_list" => \&git_project_list,
 418        "project_index" => \&git_project_index,
 419);
 420
 421if (defined $project) {
 422        $action ||= 'summary';
 423} else {
 424        $action ||= 'project_list';
 425}
 426if (!defined($actions{$action})) {
 427        die_error(undef, "Unknown action");
 428}
 429if ($action !~ m/^(opml|project_list|project_index)$/ &&
 430    !$project) {
 431        die_error(undef, "Project needed");
 432}
 433$actions{$action}->();
 434exit;
 435
 436## ======================================================================
 437## action links
 438
 439sub href(%) {
 440        my %params = @_;
 441        my $href = $my_uri;
 442
 443        # XXX: Warning: If you touch this, check the search form for updating,
 444        # too.
 445
 446        my @mapping = (
 447                project => "p",
 448                action => "a",
 449                file_name => "f",
 450                file_parent => "fp",
 451                hash => "h",
 452                hash_parent => "hp",
 453                hash_base => "hb",
 454                hash_parent_base => "hpb",
 455                page => "pg",
 456                order => "o",
 457                searchtext => "s",
 458        );
 459        my %mapping = @mapping;
 460
 461        $params{'project'} = $project unless exists $params{'project'};
 462
 463        my ($use_pathinfo) = gitweb_check_feature('pathinfo');
 464        if ($use_pathinfo) {
 465                # use PATH_INFO for project name
 466                $href .= "/$params{'project'}" if defined $params{'project'};
 467                delete $params{'project'};
 468
 469                # Summary just uses the project path URL
 470                if (defined $params{'action'} && $params{'action'} eq 'summary') {
 471                        delete $params{'action'};
 472                }
 473        }
 474
 475        # now encode the parameters explicitly
 476        my @result = ();
 477        for (my $i = 0; $i < @mapping; $i += 2) {
 478                my ($name, $symbol) = ($mapping[$i], $mapping[$i+1]);
 479                if (defined $params{$name}) {
 480                        push @result, $symbol . "=" . esc_param($params{$name});
 481                }
 482        }
 483        $href .= "?" . join(';', @result) if scalar @result;
 484
 485        return $href;
 486}
 487
 488
 489## ======================================================================
 490## validation, quoting/unquoting and escaping
 491
 492sub validate_pathname {
 493        my $input = shift || return undef;
 494
 495        # no '.' or '..' as elements of path, i.e. no '.' nor '..'
 496        # at the beginning, at the end, and between slashes.
 497        # also this catches doubled slashes
 498        if ($input =~ m!(^|/)(|\.|\.\.)(/|$)!) {
 499                return undef;
 500        }
 501        # no null characters
 502        if ($input =~ m!\0!) {
 503                return undef;
 504        }
 505        return $input;
 506}
 507
 508sub validate_refname {
 509        my $input = shift || return undef;
 510
 511        # textual hashes are O.K.
 512        if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 513                return $input;
 514        }
 515        # it must be correct pathname
 516        $input = validate_pathname($input)
 517                or return undef;
 518        # restrictions on ref name according to git-check-ref-format
 519        if ($input =~ m!(/\.|\.\.|[\000-\040\177 ~^:?*\[]|/$)!) {
 520                return undef;
 521        }
 522        return $input;
 523}
 524
 525# very thin wrapper for decode("utf8", $str, Encode::FB_DEFAULT);
 526sub to_utf8 {
 527        my $str = shift;
 528        return decode("utf8", $str, Encode::FB_DEFAULT);
 529}
 530
 531# quote unsafe chars, but keep the slash, even when it's not
 532# correct, but quoted slashes look too horrible in bookmarks
 533sub esc_param {
 534        my $str = shift;
 535        $str =~ s/([^A-Za-z0-9\-_.~()\/:@])/sprintf("%%%02X", ord($1))/eg;
 536        $str =~ s/\+/%2B/g;
 537        $str =~ s/ /\+/g;
 538        return $str;
 539}
 540
 541# quote unsafe chars in whole URL, so some charactrs cannot be quoted
 542sub esc_url {
 543        my $str = shift;
 544        $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 545        $str =~ s/\+/%2B/g;
 546        $str =~ s/ /\+/g;
 547        return $str;
 548}
 549
 550# replace invalid utf8 character with SUBSTITUTION sequence
 551sub esc_html {
 552        my $str = shift;
 553        $str = to_utf8($str);
 554        $str = escapeHTML($str);
 555        $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
 556        $str =~ s/\033/^[/g; # "escape" ESCAPE (\e) character (e.g. commit 20a3847d8a5032ce41f90dcc68abfb36e6fee9b1)
 557        return $str;
 558}
 559
 560# git may return quoted and escaped filenames
 561sub unquote {
 562        my $str = shift;
 563        if ($str =~ m/^"(.*)"$/) {
 564                $str = $1;
 565                $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 566        }
 567        return $str;
 568}
 569
 570# escape tabs (convert tabs to spaces)
 571sub untabify {
 572        my $line = shift;
 573
 574        while ((my $pos = index($line, "\t")) != -1) {
 575                if (my $count = (8 - ($pos % 8))) {
 576                        my $spaces = ' ' x $count;
 577                        $line =~ s/\t/$spaces/;
 578                }
 579        }
 580
 581        return $line;
 582}
 583
 584sub project_in_list {
 585        my $project = shift;
 586        my @list = git_get_projects_list();
 587        return @list && scalar(grep { $_->{'path'} eq $project } @list);
 588}
 589
 590## ----------------------------------------------------------------------
 591## HTML aware string manipulation
 592
 593sub chop_str {
 594        my $str = shift;
 595        my $len = shift;
 596        my $add_len = shift || 10;
 597
 598        # allow only $len chars, but don't cut a word if it would fit in $add_len
 599        # if it doesn't fit, cut it if it's still longer than the dots we would add
 600        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 601        my $body = $1;
 602        my $tail = $2;
 603        if (length($tail) > 4) {
 604                $tail = " ...";
 605                $body =~ s/&[^;]*$//; # remove chopped character entities
 606        }
 607        return "$body$tail";
 608}
 609
 610## ----------------------------------------------------------------------
 611## functions returning short strings
 612
 613# CSS class for given age value (in seconds)
 614sub age_class {
 615        my $age = shift;
 616
 617        if ($age < 60*60*2) {
 618                return "age0";
 619        } elsif ($age < 60*60*24*2) {
 620                return "age1";
 621        } else {
 622                return "age2";
 623        }
 624}
 625
 626# convert age in seconds to "nn units ago" string
 627sub age_string {
 628        my $age = shift;
 629        my $age_str;
 630
 631        if ($age > 60*60*24*365*2) {
 632                $age_str = (int $age/60/60/24/365);
 633                $age_str .= " years ago";
 634        } elsif ($age > 60*60*24*(365/12)*2) {
 635                $age_str = int $age/60/60/24/(365/12);
 636                $age_str .= " months ago";
 637        } elsif ($age > 60*60*24*7*2) {
 638                $age_str = int $age/60/60/24/7;
 639                $age_str .= " weeks ago";
 640        } elsif ($age > 60*60*24*2) {
 641                $age_str = int $age/60/60/24;
 642                $age_str .= " days ago";
 643        } elsif ($age > 60*60*2) {
 644                $age_str = int $age/60/60;
 645                $age_str .= " hours ago";
 646        } elsif ($age > 60*2) {
 647                $age_str = int $age/60;
 648                $age_str .= " min ago";
 649        } elsif ($age > 2) {
 650                $age_str = int $age;
 651                $age_str .= " sec ago";
 652        } else {
 653                $age_str .= " right now";
 654        }
 655        return $age_str;
 656}
 657
 658# convert file mode in octal to symbolic file mode string
 659sub mode_str {
 660        my $mode = oct shift;
 661
 662        if (S_ISDIR($mode & S_IFMT)) {
 663                return 'drwxr-xr-x';
 664        } elsif (S_ISLNK($mode)) {
 665                return 'lrwxrwxrwx';
 666        } elsif (S_ISREG($mode)) {
 667                # git cares only about the executable bit
 668                if ($mode & S_IXUSR) {
 669                        return '-rwxr-xr-x';
 670                } else {
 671                        return '-rw-r--r--';
 672                };
 673        } else {
 674                return '----------';
 675        }
 676}
 677
 678# convert file mode in octal to file type string
 679sub file_type {
 680        my $mode = shift;
 681
 682        if ($mode !~ m/^[0-7]+$/) {
 683                return $mode;
 684        } else {
 685                $mode = oct $mode;
 686        }
 687
 688        if (S_ISDIR($mode & S_IFMT)) {
 689                return "directory";
 690        } elsif (S_ISLNK($mode)) {
 691                return "symlink";
 692        } elsif (S_ISREG($mode)) {
 693                return "file";
 694        } else {
 695                return "unknown";
 696        }
 697}
 698
 699## ----------------------------------------------------------------------
 700## functions returning short HTML fragments, or transforming HTML fragments
 701## which don't beling to other sections
 702
 703# format line of commit message or tag comment
 704sub format_log_line_html {
 705        my $line = shift;
 706
 707        $line = esc_html($line);
 708        $line =~ s/ /&nbsp;/g;
 709        if ($line =~ m/([0-9a-fA-F]{40})/) {
 710                my $hash_text = $1;
 711                if (git_get_type($hash_text) eq "commit") {
 712                        my $link =
 713                                $cgi->a({-href => href(action=>"commit", hash=>$hash_text),
 714                                        -class => "text"}, $hash_text);
 715                        $line =~ s/$hash_text/$link/;
 716                }
 717        }
 718        return $line;
 719}
 720
 721# format marker of refs pointing to given object
 722sub format_ref_marker {
 723        my ($refs, $id) = @_;
 724        my $markers = '';
 725
 726        if (defined $refs->{$id}) {
 727                foreach my $ref (@{$refs->{$id}}) {
 728                        my ($type, $name) = qw();
 729                        # e.g. tags/v2.6.11 or heads/next
 730                        if ($ref =~ m!^(.*?)s?/(.*)$!) {
 731                                $type = $1;
 732                                $name = $2;
 733                        } else {
 734                                $type = "ref";
 735                                $name = $ref;
 736                        }
 737
 738                        $markers .= " <span class=\"$type\">" . esc_html($name) . "</span>";
 739                }
 740        }
 741
 742        if ($markers) {
 743                return ' <span class="refs">'. $markers . '</span>';
 744        } else {
 745                return "";
 746        }
 747}
 748
 749# format, perhaps shortened and with markers, title line
 750sub format_subject_html {
 751        my ($long, $short, $href, $extra) = @_;
 752        $extra = '' unless defined($extra);
 753
 754        if (length($short) < length($long)) {
 755                return $cgi->a({-href => $href, -class => "list subject",
 756                                -title => to_utf8($long)},
 757                       esc_html($short) . $extra);
 758        } else {
 759                return $cgi->a({-href => $href, -class => "list subject"},
 760                       esc_html($long)  . $extra);
 761        }
 762}
 763
 764sub format_diff_line {
 765        my $line = shift;
 766        my $char = substr($line, 0, 1);
 767        my $diff_class = "";
 768
 769        chomp $line;
 770
 771        if ($char eq '+') {
 772                $diff_class = " add";
 773        } elsif ($char eq "-") {
 774                $diff_class = " rem";
 775        } elsif ($char eq "@") {
 776                $diff_class = " chunk_header";
 777        } elsif ($char eq "\\") {
 778                $diff_class = " incomplete";
 779        }
 780        $line = untabify($line);
 781        return "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
 782}
 783
 784## ----------------------------------------------------------------------
 785## git utility subroutines, invoking git commands
 786
 787# returns path to the core git executable and the --git-dir parameter as list
 788sub git_cmd {
 789        return $GIT, '--git-dir='.$git_dir;
 790}
 791
 792# returns path to the core git executable and the --git-dir parameter as string
 793sub git_cmd_str {
 794        return join(' ', git_cmd());
 795}
 796
 797# get HEAD ref of given project as hash
 798sub git_get_head_hash {
 799        my $project = shift;
 800        my $o_git_dir = $git_dir;
 801        my $retval = undef;
 802        $git_dir = "$projectroot/$project";
 803        if (open my $fd, "-|", git_cmd(), "rev-parse", "--verify", "HEAD") {
 804                my $head = <$fd>;
 805                close $fd;
 806                if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 807                        $retval = $1;
 808                }
 809        }
 810        if (defined $o_git_dir) {
 811                $git_dir = $o_git_dir;
 812        }
 813        return $retval;
 814}
 815
 816# get type of given object
 817sub git_get_type {
 818        my $hash = shift;
 819
 820        open my $fd, "-|", git_cmd(), "cat-file", '-t', $hash or return;
 821        my $type = <$fd>;
 822        close $fd or return;
 823        chomp $type;
 824        return $type;
 825}
 826
 827sub git_get_project_config {
 828        my ($key, $type) = @_;
 829
 830        return unless ($key);
 831        $key =~ s/^gitweb\.//;
 832        return if ($key =~ m/\W/);
 833
 834        my @x = (git_cmd(), 'repo-config');
 835        if (defined $type) { push @x, $type; }
 836        push @x, "--get";
 837        push @x, "gitweb.$key";
 838        my $val = qx(@x);
 839        chomp $val;
 840        return ($val);
 841}
 842
 843# get hash of given path at given ref
 844sub git_get_hash_by_path {
 845        my $base = shift;
 846        my $path = shift || return undef;
 847        my $type = shift;
 848
 849        $path =~ s,/+$,,;
 850
 851        open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path
 852                or die_error(undef, "Open git-ls-tree failed");
 853        my $line = <$fd>;
 854        close $fd or return undef;
 855
 856        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
 857        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
 858        if (defined $type && $type ne $2) {
 859                # type doesn't match
 860                return undef;
 861        }
 862        return $3;
 863}
 864
 865## ......................................................................
 866## git utility functions, directly accessing git repository
 867
 868sub git_get_project_description {
 869        my $path = shift;
 870
 871        open my $fd, "$projectroot/$path/description" or return undef;
 872        my $descr = <$fd>;
 873        close $fd;
 874        chomp $descr;
 875        return $descr;
 876}
 877
 878sub git_get_project_url_list {
 879        my $path = shift;
 880
 881        open my $fd, "$projectroot/$path/cloneurl" or return;
 882        my @git_project_url_list = map { chomp; $_ } <$fd>;
 883        close $fd;
 884
 885        return wantarray ? @git_project_url_list : \@git_project_url_list;
 886}
 887
 888sub git_get_projects_list {
 889        my @list;
 890
 891        if (-d $projects_list) {
 892                # search in directory
 893                my $dir = $projects_list;
 894                my $pfxlen = length("$dir");
 895
 896                File::Find::find({
 897                        follow_fast => 1, # follow symbolic links
 898                        dangling_symlinks => 0, # ignore dangling symlinks, silently
 899                        wanted => sub {
 900                                # skip project-list toplevel, if we get it.
 901                                return if (m!^[/.]$!);
 902                                # only directories can be git repositories
 903                                return unless (-d $_);
 904
 905                                my $subdir = substr($File::Find::name, $pfxlen + 1);
 906                                # we check related file in $projectroot
 907                                if (check_export_ok("$projectroot/$subdir")) {
 908                                        push @list, { path => $subdir };
 909                                        $File::Find::prune = 1;
 910                                }
 911                        },
 912                }, "$dir");
 913
 914        } elsif (-f $projects_list) {
 915                # read from file(url-encoded):
 916                # 'git%2Fgit.git Linus+Torvalds'
 917                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 918                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 919                open my ($fd), $projects_list or return;
 920                while (my $line = <$fd>) {
 921                        chomp $line;
 922                        my ($path, $owner) = split ' ', $line;
 923                        $path = unescape($path);
 924                        $owner = unescape($owner);
 925                        if (!defined $path) {
 926                                next;
 927                        }
 928                        if (check_export_ok("$projectroot/$path")) {
 929                                my $pr = {
 930                                        path => $path,
 931                                        owner => to_utf8($owner),
 932                                };
 933                                push @list, $pr
 934                        }
 935                }
 936                close $fd;
 937        }
 938        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 939        return @list;
 940}
 941
 942sub git_get_project_owner {
 943        my $project = shift;
 944        my $owner;
 945
 946        return undef unless $project;
 947
 948        # read from file (url-encoded):
 949        # 'git%2Fgit.git Linus+Torvalds'
 950        # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 951        # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 952        if (-f $projects_list) {
 953                open (my $fd , $projects_list);
 954                while (my $line = <$fd>) {
 955                        chomp $line;
 956                        my ($pr, $ow) = split ' ', $line;
 957                        $pr = unescape($pr);
 958                        $ow = unescape($ow);
 959                        if ($pr eq $project) {
 960                                $owner = to_utf8($ow);
 961                                last;
 962                        }
 963                }
 964                close $fd;
 965        }
 966        if (!defined $owner) {
 967                $owner = get_file_owner("$projectroot/$project");
 968        }
 969
 970        return $owner;
 971}
 972
 973sub git_get_references {
 974        my $type = shift || "";
 975        my %refs;
 976        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 977        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 978        open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/"
 979                or return;
 980
 981        while (my $line = <$fd>) {
 982                chomp $line;
 983                if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?[^\^]+)/) {
 984                        if (defined $refs{$1}) {
 985                                push @{$refs{$1}}, $2;
 986                        } else {
 987                                $refs{$1} = [ $2 ];
 988                        }
 989                }
 990        }
 991        close $fd or return;
 992        return \%refs;
 993}
 994
 995sub git_get_rev_name_tags {
 996        my $hash = shift || return undef;
 997
 998        open my $fd, "-|", git_cmd(), "name-rev", "--tags", $hash
 999                or return;
1000        my $name_rev = <$fd>;
1001        close $fd;
1002
1003        if ($name_rev =~ m|^$hash tags/(.*)$|) {
1004                return $1;
1005        } else {
1006                # catches also '$hash undefined' output
1007                return undef;
1008        }
1009}
1010
1011## ----------------------------------------------------------------------
1012## parse to hash functions
1013
1014sub parse_date {
1015        my $epoch = shift;
1016        my $tz = shift || "-0000";
1017
1018        my %date;
1019        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
1020        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
1021        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
1022        $date{'hour'} = $hour;
1023        $date{'minute'} = $min;
1024        $date{'mday'} = $mday;
1025        $date{'day'} = $days[$wday];
1026        $date{'month'} = $months[$mon];
1027        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
1028                           $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
1029        $date{'mday-time'} = sprintf "%d %s %02d:%02d",
1030                             $mday, $months[$mon], $hour ,$min;
1031
1032        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
1033        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
1034        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
1035        $date{'hour_local'} = $hour;
1036        $date{'minute_local'} = $min;
1037        $date{'tz_local'} = $tz;
1038        return %date;
1039}
1040
1041sub parse_tag {
1042        my $tag_id = shift;
1043        my %tag;
1044        my @comment;
1045
1046        open my $fd, "-|", git_cmd(), "cat-file", "tag", $tag_id or return;
1047        $tag{'id'} = $tag_id;
1048        while (my $line = <$fd>) {
1049                chomp $line;
1050                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
1051                        $tag{'object'} = $1;
1052                } elsif ($line =~ m/^type (.+)$/) {
1053                        $tag{'type'} = $1;
1054                } elsif ($line =~ m/^tag (.+)$/) {
1055                        $tag{'name'} = $1;
1056                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
1057                        $tag{'author'} = $1;
1058                        $tag{'epoch'} = $2;
1059                        $tag{'tz'} = $3;
1060                } elsif ($line =~ m/--BEGIN/) {
1061                        push @comment, $line;
1062                        last;
1063                } elsif ($line eq "") {
1064                        last;
1065                }
1066        }
1067        push @comment, <$fd>;
1068        $tag{'comment'} = \@comment;
1069        close $fd or return;
1070        if (!defined $tag{'name'}) {
1071                return
1072        };
1073        return %tag
1074}
1075
1076sub git_get_last_activity {
1077        my ($path) = @_;
1078        my $fd;
1079
1080        $git_dir = "$projectroot/$path";
1081        open($fd, "-|", git_cmd(), 'for-each-ref',
1082             '--format=%(refname) %(committer)',
1083             '--sort=-committerdate',
1084             'refs/heads') or return;
1085        my $most_recent = <$fd>;
1086        close $fd or return;
1087        if ($most_recent =~ / (\d+) [-+][01]\d\d\d$/) {
1088                my $timestamp = $1;
1089                my $age = time - $timestamp;
1090                return ($age, age_string($age));
1091        }
1092}
1093
1094sub parse_commit {
1095        my $commit_id = shift;
1096        my $commit_text = shift;
1097
1098        my @commit_lines;
1099        my %co;
1100
1101        if (defined $commit_text) {
1102                @commit_lines = @$commit_text;
1103        } else {
1104                local $/ = "\0";
1105                open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", "--max-count=1", $commit_id
1106                        or return;
1107                @commit_lines = split '\n', <$fd>;
1108                close $fd or return;
1109                pop @commit_lines;
1110        }
1111        my $header = shift @commit_lines;
1112        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
1113                return;
1114        }
1115        ($co{'id'}, my @parents) = split ' ', $header;
1116        $co{'parents'} = \@parents;
1117        $co{'parent'} = $parents[0];
1118        while (my $line = shift @commit_lines) {
1119                last if $line eq "\n";
1120                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
1121                        $co{'tree'} = $1;
1122                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
1123                        $co{'author'} = $1;
1124                        $co{'author_epoch'} = $2;
1125                        $co{'author_tz'} = $3;
1126                        if ($co{'author'} =~ m/^([^<]+) </) {
1127                                $co{'author_name'} = $1;
1128                        } else {
1129                                $co{'author_name'} = $co{'author'};
1130                        }
1131                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
1132                        $co{'committer'} = $1;
1133                        $co{'committer_epoch'} = $2;
1134                        $co{'committer_tz'} = $3;
1135                        $co{'committer_name'} = $co{'committer'};
1136                        $co{'committer_name'} =~ s/ <.*//;
1137                }
1138        }
1139        if (!defined $co{'tree'}) {
1140                return;
1141        };
1142
1143        foreach my $title (@commit_lines) {
1144                $title =~ s/^    //;
1145                if ($title ne "") {
1146                        $co{'title'} = chop_str($title, 80, 5);
1147                        # remove leading stuff of merges to make the interesting part visible
1148                        if (length($title) > 50) {
1149                                $title =~ s/^Automatic //;
1150                                $title =~ s/^merge (of|with) /Merge ... /i;
1151                                if (length($title) > 50) {
1152                                        $title =~ s/(http|rsync):\/\///;
1153                                }
1154                                if (length($title) > 50) {
1155                                        $title =~ s/(master|www|rsync)\.//;
1156                                }
1157                                if (length($title) > 50) {
1158                                        $title =~ s/kernel.org:?//;
1159                                }
1160                                if (length($title) > 50) {
1161                                        $title =~ s/\/pub\/scm//;
1162                                }
1163                        }
1164                        $co{'title_short'} = chop_str($title, 50, 5);
1165                        last;
1166                }
1167        }
1168        if ($co{'title'} eq "") {
1169                $co{'title'} = $co{'title_short'} = '(no commit message)';
1170        }
1171        # remove added spaces
1172        foreach my $line (@commit_lines) {
1173                $line =~ s/^    //;
1174        }
1175        $co{'comment'} = \@commit_lines;
1176
1177        my $age = time - $co{'committer_epoch'};
1178        $co{'age'} = $age;
1179        $co{'age_string'} = age_string($age);
1180        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
1181        if ($age > 60*60*24*7*2) {
1182                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
1183                $co{'age_string_age'} = $co{'age_string'};
1184        } else {
1185                $co{'age_string_date'} = $co{'age_string'};
1186                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
1187        }
1188        return %co;
1189}
1190
1191# parse ref from ref_file, given by ref_id, with given type
1192sub parse_ref {
1193        my $ref_file = shift;
1194        my $ref_id = shift;
1195        my $type = shift || git_get_type($ref_id);
1196        my %ref_item;
1197
1198        $ref_item{'type'} = $type;
1199        $ref_item{'id'} = $ref_id;
1200        $ref_item{'epoch'} = 0;
1201        $ref_item{'age'} = "unknown";
1202        if ($type eq "tag") {
1203                my %tag = parse_tag($ref_id);
1204                $ref_item{'comment'} = $tag{'comment'};
1205                if ($tag{'type'} eq "commit") {
1206                        my %co = parse_commit($tag{'object'});
1207                        $ref_item{'epoch'} = $co{'committer_epoch'};
1208                        $ref_item{'age'} = $co{'age_string'};
1209                } elsif (defined($tag{'epoch'})) {
1210                        my $age = time - $tag{'epoch'};
1211                        $ref_item{'epoch'} = $tag{'epoch'};
1212                        $ref_item{'age'} = age_string($age);
1213                }
1214                $ref_item{'reftype'} = $tag{'type'};
1215                $ref_item{'name'} = $tag{'name'};
1216                $ref_item{'refid'} = $tag{'object'};
1217        } elsif ($type eq "commit"){
1218                my %co = parse_commit($ref_id);
1219                $ref_item{'reftype'} = "commit";
1220                $ref_item{'name'} = $ref_file;
1221                $ref_item{'title'} = $co{'title'};
1222                $ref_item{'refid'} = $ref_id;
1223                $ref_item{'epoch'} = $co{'committer_epoch'};
1224                $ref_item{'age'} = $co{'age_string'};
1225        } else {
1226                $ref_item{'reftype'} = $type;
1227                $ref_item{'name'} = $ref_file;
1228                $ref_item{'refid'} = $ref_id;
1229        }
1230
1231        return %ref_item;
1232}
1233
1234# parse line of git-diff-tree "raw" output
1235sub parse_difftree_raw_line {
1236        my $line = shift;
1237        my %res;
1238
1239        # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M   ls-files.c'
1240        # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M   rev-tree.c'
1241        if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
1242                $res{'from_mode'} = $1;
1243                $res{'to_mode'} = $2;
1244                $res{'from_id'} = $3;
1245                $res{'to_id'} = $4;
1246                $res{'status'} = $5;
1247                $res{'similarity'} = $6;
1248                if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
1249                        ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
1250                } else {
1251                        $res{'file'} = unquote($7);
1252                }
1253        }
1254        # 'c512b523472485aef4fff9e57b229d9d243c967f'
1255        elsif ($line =~ m/^([0-9a-fA-F]{40})$/) {
1256                $res{'commit'} = $1;
1257        }
1258
1259        return wantarray ? %res : \%res;
1260}
1261
1262# parse line of git-ls-tree output
1263sub parse_ls_tree_line ($;%) {
1264        my $line = shift;
1265        my %opts = @_;
1266        my %res;
1267
1268        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
1269        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1270
1271        $res{'mode'} = $1;
1272        $res{'type'} = $2;
1273        $res{'hash'} = $3;
1274        if ($opts{'-z'}) {
1275                $res{'name'} = $4;
1276        } else {
1277                $res{'name'} = unquote($4);
1278        }
1279
1280        return wantarray ? %res : \%res;
1281}
1282
1283## ......................................................................
1284## parse to array of hashes functions
1285
1286sub git_get_refs_list {
1287        my $type = shift || "";
1288        my %refs;
1289        my @reflist;
1290
1291        my @refs;
1292        open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/"
1293                or return;
1294        while (my $line = <$fd>) {
1295                chomp $line;
1296                if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?([^\^]+))(\^\{\})?$/) {
1297                        if (defined $refs{$1}) {
1298                                push @{$refs{$1}}, $2;
1299                        } else {
1300                                $refs{$1} = [ $2 ];
1301                        }
1302
1303                        if (! $4) { # unpeeled, direct reference
1304                                push @refs, { hash => $1, name => $3 }; # without type
1305                        } elsif ($3 eq $refs[-1]{'name'}) {
1306                                # most likely a tag is followed by its peeled
1307                                # (deref) one, and when that happens we know the
1308                                # previous one was of type 'tag'.
1309                                $refs[-1]{'type'} = "tag";
1310                        }
1311                }
1312        }
1313        close $fd;
1314
1315        foreach my $ref (@refs) {
1316                my $ref_file = $ref->{'name'};
1317                my $ref_id   = $ref->{'hash'};
1318
1319                my $type = $ref->{'type'} || git_get_type($ref_id) || next;
1320                my %ref_item = parse_ref($ref_file, $ref_id, $type);
1321
1322                push @reflist, \%ref_item;
1323        }
1324        # sort refs by age
1325        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1326        return (\@reflist, \%refs);
1327}
1328
1329## ----------------------------------------------------------------------
1330## filesystem-related functions
1331
1332sub get_file_owner {
1333        my $path = shift;
1334
1335        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
1336        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
1337        if (!defined $gcos) {
1338                return undef;
1339        }
1340        my $owner = $gcos;
1341        $owner =~ s/[,;].*$//;
1342        return to_utf8($owner);
1343}
1344
1345## ......................................................................
1346## mimetype related functions
1347
1348sub mimetype_guess_file {
1349        my $filename = shift;
1350        my $mimemap = shift;
1351        -r $mimemap or return undef;
1352
1353        my %mimemap;
1354        open(MIME, $mimemap) or return undef;
1355        while (<MIME>) {
1356                next if m/^#/; # skip comments
1357                my ($mime, $exts) = split(/\t+/);
1358                if (defined $exts) {
1359                        my @exts = split(/\s+/, $exts);
1360                        foreach my $ext (@exts) {
1361                                $mimemap{$ext} = $mime;
1362                        }
1363                }
1364        }
1365        close(MIME);
1366
1367        $filename =~ /\.([^.]*)$/;
1368        return $mimemap{$1};
1369}
1370
1371sub mimetype_guess {
1372        my $filename = shift;
1373        my $mime;
1374        $filename =~ /\./ or return undef;
1375
1376        if ($mimetypes_file) {
1377                my $file = $mimetypes_file;
1378                if ($file !~ m!^/!) { # if it is relative path
1379                        # it is relative to project
1380                        $file = "$projectroot/$project/$file";
1381                }
1382                $mime = mimetype_guess_file($filename, $file);
1383        }
1384        $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1385        return $mime;
1386}
1387
1388sub blob_mimetype {
1389        my $fd = shift;
1390        my $filename = shift;
1391
1392        if ($filename) {
1393                my $mime = mimetype_guess($filename);
1394                $mime and return $mime;
1395        }
1396
1397        # just in case
1398        return $default_blob_plain_mimetype unless $fd;
1399
1400        if (-T $fd) {
1401                return 'text/plain' .
1402                       ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1403        } elsif (! $filename) {
1404                return 'application/octet-stream';
1405        } elsif ($filename =~ m/\.png$/i) {
1406                return 'image/png';
1407        } elsif ($filename =~ m/\.gif$/i) {
1408                return 'image/gif';
1409        } elsif ($filename =~ m/\.jpe?g$/i) {
1410                return 'image/jpeg';
1411        } else {
1412                return 'application/octet-stream';
1413        }
1414}
1415
1416## ======================================================================
1417## functions printing HTML: header, footer, error page
1418
1419sub git_header_html {
1420        my $status = shift || "200 OK";
1421        my $expires = shift;
1422
1423        my $title = "$site_name git";
1424        if (defined $project) {
1425                $title .= " - $project";
1426                if (defined $action) {
1427                        $title .= "/$action";
1428                        if (defined $file_name) {
1429                                $title .= " - " . esc_html($file_name);
1430                                if ($action eq "tree" && $file_name !~ m|/$|) {
1431                                        $title .= "/";
1432                                }
1433                        }
1434                }
1435        }
1436        my $content_type;
1437        # require explicit support from the UA if we are to send the page as
1438        # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
1439        # we have to do this because MSIE sometimes globs '*/*', pretending to
1440        # support xhtml+xml but choking when it gets what it asked for.
1441        if (defined $cgi->http('HTTP_ACCEPT') &&
1442            $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ &&
1443            $cgi->Accept('application/xhtml+xml') != 0) {
1444                $content_type = 'application/xhtml+xml';
1445        } else {
1446                $content_type = 'text/html';
1447        }
1448        print $cgi->header(-type=>$content_type, -charset => 'utf-8',
1449                           -status=> $status, -expires => $expires);
1450        print <<EOF;
1451<?xml version="1.0" encoding="utf-8"?>
1452<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
1453<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
1454<!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
1455<!-- git core binaries version $git_version -->
1456<head>
1457<meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
1458<meta name="generator" content="gitweb/$version git/$git_version"/>
1459<meta name="robots" content="index, nofollow"/>
1460<title>$title</title>
1461EOF
1462# print out each stylesheet that exist
1463        if (defined $stylesheet) {
1464#provides backwards capability for those people who define style sheet in a config file
1465                print '<link rel="stylesheet" type="text/css" href="'.$stylesheet.'"/>'."\n";
1466        } else {
1467                foreach my $stylesheet (@stylesheets) {
1468                        next unless $stylesheet;
1469                        print '<link rel="stylesheet" type="text/css" href="'.$stylesheet.'"/>'."\n";
1470                }
1471        }
1472        if (defined $project) {
1473                printf('<link rel="alternate" title="%s log" '.
1474                       'href="%s" type="application/rss+xml"/>'."\n",
1475                       esc_param($project), href(action=>"rss"));
1476        } else {
1477                printf('<link rel="alternate" title="%s projects list" '.
1478                       'href="%s" type="text/plain; charset=utf-8"/>'."\n",
1479                       $site_name, href(project=>undef, action=>"project_index"));
1480                printf('<link rel="alternate" title="%s projects logs" '.
1481                       'href="%s" type="text/x-opml"/>'."\n",
1482                       $site_name, href(project=>undef, action=>"opml"));
1483        }
1484        if (defined $favicon) {
1485                print qq(<link rel="shortcut icon" href="$favicon" type="image/png"/>\n);
1486        }
1487
1488        print "</head>\n" .
1489              "<body>\n";
1490
1491        if (-f $site_header) {
1492                open (my $fd, $site_header);
1493                print <$fd>;
1494                close $fd;
1495        }
1496
1497        print "<div class=\"page_header\">\n" .
1498              $cgi->a({-href => esc_url($logo_url),
1499                       -title => $logo_label},
1500                      qq(<img src="$logo" width="72" height="27" alt="git" class="logo"/>));
1501        print $cgi->a({-href => esc_url($home_link)}, $home_link_str) . " / ";
1502        if (defined $project) {
1503                print $cgi->a({-href => href(action=>"summary")}, esc_html($project));
1504                if (defined $action) {
1505                        print " / $action";
1506                }
1507                print "\n";
1508                if (!defined $searchtext) {
1509                        $searchtext = "";
1510                }
1511                my $search_hash;
1512                if (defined $hash_base) {
1513                        $search_hash = $hash_base;
1514                } elsif (defined $hash) {
1515                        $search_hash = $hash;
1516                } else {
1517                        $search_hash = "HEAD";
1518                }
1519                $cgi->param("a", "search");
1520                $cgi->param("h", $search_hash);
1521                $cgi->param("p", $project);
1522                print $cgi->startform(-method => "get", -action => $my_uri) .
1523                      "<div class=\"search\">\n" .
1524                      $cgi->hidden(-name => "p") . "\n" .
1525                      $cgi->hidden(-name => "a") . "\n" .
1526                      $cgi->hidden(-name => "h") . "\n" .
1527                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
1528                      "</div>" .
1529                      $cgi->end_form() . "\n";
1530        }
1531        print "</div>\n";
1532}
1533
1534sub git_footer_html {
1535        print "<div class=\"page_footer\">\n";
1536        if (defined $project) {
1537                my $descr = git_get_project_description($project);
1538                if (defined $descr) {
1539                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
1540                }
1541                print $cgi->a({-href => href(action=>"rss"),
1542                              -class => "rss_logo"}, "RSS") . "\n";
1543        } else {
1544                print $cgi->a({-href => href(project=>undef, action=>"opml"),
1545                              -class => "rss_logo"}, "OPML") . " ";
1546                print $cgi->a({-href => href(project=>undef, action=>"project_index"),
1547                              -class => "rss_logo"}, "TXT") . "\n";
1548        }
1549        print "</div>\n" ;
1550
1551        if (-f $site_footer) {
1552                open (my $fd, $site_footer);
1553                print <$fd>;
1554                close $fd;
1555        }
1556
1557        print "</body>\n" .
1558              "</html>";
1559}
1560
1561sub die_error {
1562        my $status = shift || "403 Forbidden";
1563        my $error = shift || "Malformed query, file missing or permission denied";
1564
1565        git_header_html($status);
1566        print <<EOF;
1567<div class="page_body">
1568<br /><br />
1569$status - $error
1570<br />
1571</div>
1572EOF
1573        git_footer_html();
1574        exit;
1575}
1576
1577## ----------------------------------------------------------------------
1578## functions printing or outputting HTML: navigation
1579
1580sub git_print_page_nav {
1581        my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
1582        $extra = '' if !defined $extra; # pager or formats
1583
1584        my @navs = qw(summary shortlog log commit commitdiff tree);
1585        if ($suppress) {
1586                @navs = grep { $_ ne $suppress } @navs;
1587        }
1588
1589        my %arg = map { $_ => {action=>$_} } @navs;
1590        if (defined $head) {
1591                for (qw(commit commitdiff)) {
1592                        $arg{$_}{hash} = $head;
1593                }
1594                if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
1595                        for (qw(shortlog log)) {
1596                                $arg{$_}{hash} = $head;
1597                        }
1598                }
1599        }
1600        $arg{tree}{hash} = $treehead if defined $treehead;
1601        $arg{tree}{hash_base} = $treebase if defined $treebase;
1602
1603        print "<div class=\"page_nav\">\n" .
1604                (join " | ",
1605                 map { $_ eq $current ?
1606                       $_ : $cgi->a({-href => href(%{$arg{$_}})}, "$_")
1607                 } @navs);
1608        print "<br/>\n$extra<br/>\n" .
1609              "</div>\n";
1610}
1611
1612sub format_paging_nav {
1613        my ($action, $hash, $head, $page, $nrevs) = @_;
1614        my $paging_nav;
1615
1616
1617        if ($hash ne $head || $page) {
1618                $paging_nav .= $cgi->a({-href => href(action=>$action)}, "HEAD");
1619        } else {
1620                $paging_nav .= "HEAD";
1621        }
1622
1623        if ($page > 0) {
1624                $paging_nav .= " &sdot; " .
1625                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page-1),
1626                                 -accesskey => "p", -title => "Alt-p"}, "prev");
1627        } else {
1628                $paging_nav .= " &sdot; prev";
1629        }
1630
1631        if ($nrevs >= (100 * ($page+1)-1)) {
1632                $paging_nav .= " &sdot; " .
1633                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page+1),
1634                                 -accesskey => "n", -title => "Alt-n"}, "next");
1635        } else {
1636                $paging_nav .= " &sdot; next";
1637        }
1638
1639        return $paging_nav;
1640}
1641
1642## ......................................................................
1643## functions printing or outputting HTML: div
1644
1645sub git_print_header_div {
1646        my ($action, $title, $hash, $hash_base) = @_;
1647        my %args = ();
1648
1649        $args{action} = $action;
1650        $args{hash} = $hash if $hash;
1651        $args{hash_base} = $hash_base if $hash_base;
1652
1653        print "<div class=\"header\">\n" .
1654              $cgi->a({-href => href(%args), -class => "title"},
1655              $title ? $title : $action) .
1656              "\n</div>\n";
1657}
1658
1659#sub git_print_authorship (\%) {
1660sub git_print_authorship {
1661        my $co = shift;
1662
1663        my %ad = parse_date($co->{'author_epoch'}, $co->{'author_tz'});
1664        print "<div class=\"author_date\">" .
1665              esc_html($co->{'author_name'}) .
1666              " [$ad{'rfc2822'}";
1667        if ($ad{'hour_local'} < 6) {
1668                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
1669                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1670        } else {
1671                printf(" (%02d:%02d %s)",
1672                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1673        }
1674        print "]</div>\n";
1675}
1676
1677sub git_print_page_path {
1678        my $name = shift;
1679        my $type = shift;
1680        my $hb = shift;
1681
1682
1683        print "<div class=\"page_path\">";
1684        print $cgi->a({-href => href(action=>"tree", hash_base=>$hb),
1685                      -title => 'tree root'}, "[$project]");
1686        print " / ";
1687        if (defined $name) {
1688                my @dirname = split '/', $name;
1689                my $basename = pop @dirname;
1690                my $fullname = '';
1691
1692                foreach my $dir (@dirname) {
1693                        $fullname .= ($fullname ? '/' : '') . $dir;
1694                        print $cgi->a({-href => href(action=>"tree", file_name=>$fullname,
1695                                                     hash_base=>$hb),
1696                                      -title => $fullname}, esc_html($dir));
1697                        print " / ";
1698                }
1699                if (defined $type && $type eq 'blob') {
1700                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
1701                                                     hash_base=>$hb),
1702                                      -title => $name}, esc_html($basename));
1703                } elsif (defined $type && $type eq 'tree') {
1704                        print $cgi->a({-href => href(action=>"tree", file_name=>$file_name,
1705                                                     hash_base=>$hb),
1706                                      -title => $name}, esc_html($basename));
1707                        print " / ";
1708                } else {
1709                        print esc_html($basename);
1710                }
1711        }
1712        print "<br/></div>\n";
1713}
1714
1715# sub git_print_log (\@;%) {
1716sub git_print_log ($;%) {
1717        my $log = shift;
1718        my %opts = @_;
1719
1720        if ($opts{'-remove_title'}) {
1721                # remove title, i.e. first line of log
1722                shift @$log;
1723        }
1724        # remove leading empty lines
1725        while (defined $log->[0] && $log->[0] eq "") {
1726                shift @$log;
1727        }
1728
1729        # print log
1730        my $signoff = 0;
1731        my $empty = 0;
1732        foreach my $line (@$log) {
1733                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1734                        $signoff = 1;
1735                        $empty = 0;
1736                        if (! $opts{'-remove_signoff'}) {
1737                                print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1738                                next;
1739                        } else {
1740                                # remove signoff lines
1741                                next;
1742                        }
1743                } else {
1744                        $signoff = 0;
1745                }
1746
1747                # print only one empty line
1748                # do not print empty line after signoff
1749                if ($line eq "") {
1750                        next if ($empty || $signoff);
1751                        $empty = 1;
1752                } else {
1753                        $empty = 0;
1754                }
1755
1756                print format_log_line_html($line) . "<br/>\n";
1757        }
1758
1759        if ($opts{'-final_empty_line'}) {
1760                # end with single empty line
1761                print "<br/>\n" unless $empty;
1762        }
1763}
1764
1765sub git_print_simplified_log {
1766        my $log = shift;
1767        my $remove_title = shift;
1768
1769        git_print_log($log,
1770                -final_empty_line=> 1,
1771                -remove_title => $remove_title);
1772}
1773
1774# print tree entry (row of git_tree), but without encompassing <tr> element
1775sub git_print_tree_entry {
1776        my ($t, $basedir, $hash_base, $have_blame) = @_;
1777
1778        my %base_key = ();
1779        $base_key{hash_base} = $hash_base if defined $hash_base;
1780
1781        # The format of a table row is: mode list link.  Where mode is
1782        # the mode of the entry, list is the name of the entry, an href,
1783        # and link is the action links of the entry.
1784
1785        print "<td class=\"mode\">" . mode_str($t->{'mode'}) . "</td>\n";
1786        if ($t->{'type'} eq "blob") {
1787                print "<td class=\"list\">" .
1788                        $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
1789                                               file_name=>"$basedir$t->{'name'}", %base_key),
1790                                -class => "list"}, esc_html($t->{'name'})) . "</td>\n";
1791                print "<td class=\"link\">";
1792                print $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
1793                                             file_name=>"$basedir$t->{'name'}", %base_key)},
1794                              "blob");
1795                if ($have_blame) {
1796                        print " | " .
1797                              $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
1798                                                           file_name=>"$basedir$t->{'name'}", %base_key)},
1799                                            "blame");
1800                }
1801                if (defined $hash_base) {
1802                        print " | " .
1803                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
1804                                                     hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
1805                                      "history");
1806                }
1807                print " | " .
1808                        $cgi->a({-href => href(action=>"blob_plain", hash_base=>$hash_base,
1809                                               file_name=>"$basedir$t->{'name'}")},
1810                                "raw");
1811                print "</td>\n";
1812
1813        } elsif ($t->{'type'} eq "tree") {
1814                print "<td class=\"list\">";
1815                print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
1816                                             file_name=>"$basedir$t->{'name'}", %base_key)},
1817                              esc_html($t->{'name'}));
1818                print "</td>\n";
1819                print "<td class=\"link\">";
1820                print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
1821                                             file_name=>"$basedir$t->{'name'}", %base_key)},
1822                              "tree");
1823                if (defined $hash_base) {
1824                        print " | " .
1825                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
1826                                                     file_name=>"$basedir$t->{'name'}")},
1827                                      "history");
1828                }
1829                print "</td>\n";
1830        }
1831}
1832
1833## ......................................................................
1834## functions printing large fragments of HTML
1835
1836sub git_difftree_body {
1837        my ($difftree, $hash, $parent) = @_;
1838
1839        print "<div class=\"list_head\">\n";
1840        if ($#{$difftree} > 10) {
1841                print(($#{$difftree} + 1) . " files changed:\n");
1842        }
1843        print "</div>\n";
1844
1845        print "<table class=\"diff_tree\">\n";
1846        my $alternate = 1;
1847        my $patchno = 0;
1848        foreach my $line (@{$difftree}) {
1849                my %diff = parse_difftree_raw_line($line);
1850
1851                if ($alternate) {
1852                        print "<tr class=\"dark\">\n";
1853                } else {
1854                        print "<tr class=\"light\">\n";
1855                }
1856                $alternate ^= 1;
1857
1858                my ($to_mode_oct, $to_mode_str, $to_file_type);
1859                my ($from_mode_oct, $from_mode_str, $from_file_type);
1860                if ($diff{'to_mode'} ne ('0' x 6)) {
1861                        $to_mode_oct = oct $diff{'to_mode'};
1862                        if (S_ISREG($to_mode_oct)) { # only for regular file
1863                                $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
1864                        }
1865                        $to_file_type = file_type($diff{'to_mode'});
1866                }
1867                if ($diff{'from_mode'} ne ('0' x 6)) {
1868                        $from_mode_oct = oct $diff{'from_mode'};
1869                        if (S_ISREG($to_mode_oct)) { # only for regular file
1870                                $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
1871                        }
1872                        $from_file_type = file_type($diff{'from_mode'});
1873                }
1874
1875                if ($diff{'status'} eq "A") { # created
1876                        my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
1877                        $mode_chng   .= " with mode: $to_mode_str" if $to_mode_str;
1878                        $mode_chng   .= "]</span>";
1879                        print "<td>";
1880                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1881                                                     hash_base=>$hash, file_name=>$diff{'file'}),
1882                                      -class => "list"}, esc_html($diff{'file'}));
1883                        print "</td>\n";
1884                        print "<td>$mode_chng</td>\n";
1885                        print "<td class=\"link\">";
1886                        if ($action eq 'commitdiff') {
1887                                # link to patch
1888                                $patchno++;
1889                                print $cgi->a({-href => "#patch$patchno"}, "patch");
1890                        }
1891                        print "</td>\n";
1892
1893                } elsif ($diff{'status'} eq "D") { # deleted
1894                        my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
1895                        print "<td>";
1896                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1897                                                     hash_base=>$parent, file_name=>$diff{'file'}),
1898                                       -class => "list"}, esc_html($diff{'file'}));
1899                        print "</td>\n";
1900                        print "<td>$mode_chng</td>\n";
1901                        print "<td class=\"link\">";
1902                        if ($action eq 'commitdiff') {
1903                                # link to patch
1904                                $patchno++;
1905                                print $cgi->a({-href => "#patch$patchno"}, "patch");
1906                                print " | ";
1907                        }
1908                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1909                                                     hash_base=>$parent, file_name=>$diff{'file'})},
1910                                      "blob") . " | ";
1911                        print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
1912                                                     file_name=>$diff{'file'})},
1913                                      "blame") . " | ";
1914                        print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
1915                                                     file_name=>$diff{'file'})},
1916                                      "history");
1917                        print "</td>\n";
1918
1919                } elsif ($diff{'status'} eq "M" || $diff{'status'} eq "T") { # modified, or type changed
1920                        my $mode_chnge = "";
1921                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1922                                $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
1923                                if ($from_file_type != $to_file_type) {
1924                                        $mode_chnge .= " from $from_file_type to $to_file_type";
1925                                }
1926                                if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
1927                                        if ($from_mode_str && $to_mode_str) {
1928                                                $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
1929                                        } elsif ($to_mode_str) {
1930                                                $mode_chnge .= " mode: $to_mode_str";
1931                                        }
1932                                }
1933                                $mode_chnge .= "]</span>\n";
1934                        }
1935                        print "<td>";
1936                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1937                                                     hash_base=>$hash, file_name=>$diff{'file'}),
1938                                      -class => "list"}, esc_html($diff{'file'}));
1939                        print "</td>\n";
1940                        print "<td>$mode_chnge</td>\n";
1941                        print "<td class=\"link\">";
1942                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1943                                if ($action eq 'commitdiff') {
1944                                        # link to patch
1945                                        $patchno++;
1946                                        print $cgi->a({-href => "#patch$patchno"}, "patch");
1947                                } else {
1948                                        print $cgi->a({-href => href(action=>"blobdiff",
1949                                                                     hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1950                                                                     hash_base=>$hash, hash_parent_base=>$parent,
1951                                                                     file_name=>$diff{'file'})},
1952                                                      "diff");
1953                                }
1954                                print " | ";
1955                        }
1956                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1957                                                     hash_base=>$hash, file_name=>$diff{'file'})},
1958                                      "blob") . " | ";
1959                        print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
1960                                                     file_name=>$diff{'file'})},
1961                                      "blame") . " | ";
1962                        print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
1963                                                     file_name=>$diff{'file'})},
1964                                      "history");
1965                        print "</td>\n";
1966
1967                } elsif ($diff{'status'} eq "R" || $diff{'status'} eq "C") { # renamed or copied
1968                        my %status_name = ('R' => 'moved', 'C' => 'copied');
1969                        my $nstatus = $status_name{$diff{'status'}};
1970                        my $mode_chng = "";
1971                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1972                                # mode also for directories, so we cannot use $to_mode_str
1973                                $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
1974                        }
1975                        print "<td>" .
1976                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1977                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'}),
1978                                      -class => "list"}, esc_html($diff{'to_file'})) . "</td>\n" .
1979                              "<td><span class=\"file_status $nstatus\">[$nstatus from " .
1980                              $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
1981                                                     hash=>$diff{'from_id'}, file_name=>$diff{'from_file'}),
1982                                      -class => "list"}, esc_html($diff{'from_file'})) .
1983                              " with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
1984                              "<td class=\"link\">";
1985                        if ($diff{'to_id'} ne $diff{'from_id'}) {
1986                                if ($action eq 'commitdiff') {
1987                                        # link to patch
1988                                        $patchno++;
1989                                        print $cgi->a({-href => "#patch$patchno"}, "patch");
1990                                } else {
1991                                        print $cgi->a({-href => href(action=>"blobdiff",
1992                                                                     hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1993                                                                     hash_base=>$hash, hash_parent_base=>$parent,
1994                                                                     file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
1995                                                      "diff");
1996                                }
1997                                print " | ";
1998                        }
1999                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
2000                                                     hash_base=>$parent, file_name=>$diff{'from_file'})},
2001                                      "blob") . " | ";
2002                        print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
2003                                                     file_name=>$diff{'from_file'})},
2004                                      "blame") . " | ";
2005                        print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
2006                                                    file_name=>$diff{'from_file'})},
2007                                      "history");
2008                        print "</td>\n";
2009
2010                } # we should not encounter Unmerged (U) or Unknown (X) status
2011                print "</tr>\n";
2012        }
2013        print "</table>\n";
2014}
2015
2016sub git_patchset_body {
2017        my ($fd, $difftree, $hash, $hash_parent) = @_;
2018
2019        my $patch_idx = 0;
2020        my $in_header = 0;
2021        my $patch_found = 0;
2022        my $diffinfo;
2023
2024        print "<div class=\"patchset\">\n";
2025
2026        LINE:
2027        while (my $patch_line = <$fd>) {
2028                chomp $patch_line;
2029
2030                if ($patch_line =~ m/^diff /) { # "git diff" header
2031                        # beginning of patch (in patchset)
2032                        if ($patch_found) {
2033                                # close previous patch
2034                                print "</div>\n"; # class="patch"
2035                        } else {
2036                                # first patch in patchset
2037                                $patch_found = 1;
2038                        }
2039                        print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n";
2040
2041                        if (ref($difftree->[$patch_idx]) eq "HASH") {
2042                                $diffinfo = $difftree->[$patch_idx];
2043                        } else {
2044                                $diffinfo = parse_difftree_raw_line($difftree->[$patch_idx]);
2045                        }
2046                        $patch_idx++;
2047
2048                        # for now, no extended header, hence we skip empty patches
2049                        # companion to  next LINE if $in_header;
2050                        if ($diffinfo->{'from_id'} eq $diffinfo->{'to_id'}) { # no change
2051                                $in_header = 1;
2052                                next LINE;
2053                        }
2054
2055                        if ($diffinfo->{'status'} eq "A") { # added
2056                                print "<div class=\"diff_info\">" . file_type($diffinfo->{'to_mode'}) . ":" .
2057                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2058                                                             hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
2059                                              $diffinfo->{'to_id'}) . " (new)" .
2060                                      "</div>\n"; # class="diff_info"
2061
2062                        } elsif ($diffinfo->{'status'} eq "D") { # deleted
2063                                print "<div class=\"diff_info\">" . file_type($diffinfo->{'from_mode'}) . ":" .
2064                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2065                                                             hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
2066                                              $diffinfo->{'from_id'}) . " (deleted)" .
2067                                      "</div>\n"; # class="diff_info"
2068
2069                        } elsif ($diffinfo->{'status'} eq "R" || # renamed
2070                                 $diffinfo->{'status'} eq "C" || # copied
2071                                 $diffinfo->{'status'} eq "2") { # with two filenames (from git_blobdiff)
2072                                print "<div class=\"diff_info\">" .
2073                                      file_type($diffinfo->{'from_mode'}) . ":" .
2074                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2075                                                             hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'from_file'})},
2076                                              $diffinfo->{'from_id'}) .
2077                                      " -> " .
2078                                      file_type($diffinfo->{'to_mode'}) . ":" .
2079                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2080                                                             hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'to_file'})},
2081                                              $diffinfo->{'to_id'});
2082                                print "</div>\n"; # class="diff_info"
2083
2084                        } else { # modified, mode changed, ...
2085                                print "<div class=\"diff_info\">" .
2086                                      file_type($diffinfo->{'from_mode'}) . ":" .
2087                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2088                                                             hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
2089                                              $diffinfo->{'from_id'}) .
2090                                      " -> " .
2091                                      file_type($diffinfo->{'to_mode'}) . ":" .
2092                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2093                                                             hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
2094                                              $diffinfo->{'to_id'});
2095                                print "</div>\n"; # class="diff_info"
2096                        }
2097
2098                        #print "<div class=\"diff extended_header\">\n";
2099                        $in_header = 1;
2100                        next LINE;
2101                } # start of patch in patchset
2102
2103
2104                if ($in_header && $patch_line =~ m/^---/) {
2105                        #print "</div>\n"; # class="diff extended_header"
2106                        $in_header = 0;
2107
2108                        my $file = $diffinfo->{'from_file'};
2109                        $file  ||= $diffinfo->{'file'};
2110                        $file = $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2111                                                       hash=>$diffinfo->{'from_id'}, file_name=>$file),
2112                                        -class => "list"}, esc_html($file));
2113                        $patch_line =~ s|a/.*$|a/$file|g;
2114                        print "<div class=\"diff from_file\">$patch_line</div>\n";
2115
2116                        $patch_line = <$fd>;
2117                        chomp $patch_line;
2118
2119                        #$patch_line =~ m/^+++/;
2120                        $file    = $diffinfo->{'to_file'};
2121                        $file  ||= $diffinfo->{'file'};
2122                        $file = $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2123                                                       hash=>$diffinfo->{'to_id'}, file_name=>$file),
2124                                        -class => "list"}, esc_html($file));
2125                        $patch_line =~ s|b/.*|b/$file|g;
2126                        print "<div class=\"diff to_file\">$patch_line</div>\n";
2127
2128                        next LINE;
2129                }
2130                next LINE if $in_header;
2131
2132                print format_diff_line($patch_line);
2133        }
2134        print "</div>\n" if $patch_found; # class="patch"
2135
2136        print "</div>\n"; # class="patchset"
2137}
2138
2139# . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2140
2141sub git_shortlog_body {
2142        # uses global variable $project
2143        my ($revlist, $from, $to, $refs, $extra) = @_;
2144
2145        $from = 0 unless defined $from;
2146        $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
2147
2148        print "<table class=\"shortlog\" cellspacing=\"0\">\n";
2149        my $alternate = 1;
2150        for (my $i = $from; $i <= $to; $i++) {
2151                my $commit = $revlist->[$i];
2152                #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
2153                my $ref = format_ref_marker($refs, $commit);
2154                my %co = parse_commit($commit);
2155                if ($alternate) {
2156                        print "<tr class=\"dark\">\n";
2157                } else {
2158                        print "<tr class=\"light\">\n";
2159                }
2160                $alternate ^= 1;
2161                # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
2162                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2163                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2164                      "<td>";
2165                print format_subject_html($co{'title'}, $co{'title_short'},
2166                                          href(action=>"commit", hash=>$commit), $ref);
2167                print "</td>\n" .
2168                      "<td class=\"link\">" .
2169                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
2170                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
2171                      $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree");
2172                if (gitweb_have_snapshot()) {
2173                        print " | " . $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
2174                }
2175                print "</td>\n" .
2176                      "</tr>\n";
2177        }
2178        if (defined $extra) {
2179                print "<tr>\n" .
2180                      "<td colspan=\"4\">$extra</td>\n" .
2181                      "</tr>\n";
2182        }
2183        print "</table>\n";
2184}
2185
2186sub git_history_body {
2187        # Warning: assumes constant type (blob or tree) during history
2188        my ($revlist, $from, $to, $refs, $hash_base, $ftype, $extra) = @_;
2189
2190        $from = 0 unless defined $from;
2191        $to = $#{$revlist} unless (defined $to && $to <= $#{$revlist});
2192
2193        print "<table class=\"history\" cellspacing=\"0\">\n";
2194        my $alternate = 1;
2195        for (my $i = $from; $i <= $to; $i++) {
2196                if ($revlist->[$i] !~ m/^([0-9a-fA-F]{40})/) {
2197                        next;
2198                }
2199
2200                my $commit = $1;
2201                my %co = parse_commit($commit);
2202                if (!%co) {
2203                        next;
2204                }
2205
2206                my $ref = format_ref_marker($refs, $commit);
2207
2208                if ($alternate) {
2209                        print "<tr class=\"dark\">\n";
2210                } else {
2211                        print "<tr class=\"light\">\n";
2212                }
2213                $alternate ^= 1;
2214                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2215                      # shortlog uses      chop_str($co{'author_name'}, 10)
2216                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2217                      "<td>";
2218                # originally git_history used chop_str($co{'title'}, 50)
2219                print format_subject_html($co{'title'}, $co{'title_short'},
2220                                          href(action=>"commit", hash=>$commit), $ref);
2221                print "</td>\n" .
2222                      "<td class=\"link\">" .
2223                      $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype) . " | " .
2224                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
2225
2226                if ($ftype eq 'blob') {
2227                        my $blob_current = git_get_hash_by_path($hash_base, $file_name);
2228                        my $blob_parent  = git_get_hash_by_path($commit, $file_name);
2229                        if (defined $blob_current && defined $blob_parent &&
2230                                        $blob_current ne $blob_parent) {
2231                                print " | " .
2232                                        $cgi->a({-href => href(action=>"blobdiff",
2233                                                               hash=>$blob_current, hash_parent=>$blob_parent,
2234                                                               hash_base=>$hash_base, hash_parent_base=>$commit,
2235                                                               file_name=>$file_name)},
2236                                                "diff to current");
2237                        }
2238                }
2239                print "</td>\n" .
2240                      "</tr>\n";
2241        }
2242        if (defined $extra) {
2243                print "<tr>\n" .
2244                      "<td colspan=\"4\">$extra</td>\n" .
2245                      "</tr>\n";
2246        }
2247        print "</table>\n";
2248}
2249
2250sub git_tags_body {
2251        # uses global variable $project
2252        my ($taglist, $from, $to, $extra) = @_;
2253        $from = 0 unless defined $from;
2254        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
2255
2256        print "<table class=\"tags\" cellspacing=\"0\">\n";
2257        my $alternate = 1;
2258        for (my $i = $from; $i <= $to; $i++) {
2259                my $entry = $taglist->[$i];
2260                my %tag = %$entry;
2261                my $comment_lines = $tag{'comment'};
2262                my $comment = shift @$comment_lines;
2263                my $comment_short;
2264                if (defined $comment) {
2265                        $comment_short = chop_str($comment, 30, 5);
2266                }
2267                if ($alternate) {
2268                        print "<tr class=\"dark\">\n";
2269                } else {
2270                        print "<tr class=\"light\">\n";
2271                }
2272                $alternate ^= 1;
2273                print "<td><i>$tag{'age'}</i></td>\n" .
2274                      "<td>" .
2275                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
2276                               -class => "list name"}, esc_html($tag{'name'})) .
2277                      "</td>\n" .
2278                      "<td>";
2279                if (defined $comment) {
2280                        print format_subject_html($comment, $comment_short,
2281                                                  href(action=>"tag", hash=>$tag{'id'}));
2282                }
2283                print "</td>\n" .
2284                      "<td class=\"selflink\">";
2285                if ($tag{'type'} eq "tag") {
2286                        print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
2287                } else {
2288                        print "&nbsp;";
2289                }
2290                print "</td>\n" .
2291                      "<td class=\"link\">" . " | " .
2292                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
2293                if ($tag{'reftype'} eq "commit") {
2294                        print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") .
2295                              " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'refid'})}, "log");
2296                } elsif ($tag{'reftype'} eq "blob") {
2297                        print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
2298                }
2299                print "</td>\n" .
2300                      "</tr>";
2301        }
2302        if (defined $extra) {
2303                print "<tr>\n" .
2304                      "<td colspan=\"5\">$extra</td>\n" .
2305                      "</tr>\n";
2306        }
2307        print "</table>\n";
2308}
2309
2310sub git_heads_body {
2311        # uses global variable $project
2312        my ($headlist, $head, $from, $to, $extra) = @_;
2313        $from = 0 unless defined $from;
2314        $to = $#{$headlist} if (!defined $to || $#{$headlist} < $to);
2315
2316        print "<table class=\"heads\" cellspacing=\"0\">\n";
2317        my $alternate = 1;
2318        for (my $i = $from; $i <= $to; $i++) {
2319                my $entry = $headlist->[$i];
2320                my %tag = %$entry;
2321                my $curr = $tag{'id'} eq $head;
2322                if ($alternate) {
2323                        print "<tr class=\"dark\">\n";
2324                } else {
2325                        print "<tr class=\"light\">\n";
2326                }
2327                $alternate ^= 1;
2328                print "<td><i>$tag{'age'}</i></td>\n" .
2329                      ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
2330                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'}),
2331                               -class => "list name"},esc_html($tag{'name'})) .
2332                      "</td>\n" .
2333                      "<td class=\"link\">" .
2334                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") . " | " .
2335                      $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log") . " | " .
2336                      $cgi->a({-href => href(action=>"tree", hash=>$tag{'name'}, hash_base=>$tag{'name'})}, "tree") .
2337                      "</td>\n" .
2338                      "</tr>";
2339        }
2340        if (defined $extra) {
2341                print "<tr>\n" .
2342                      "<td colspan=\"3\">$extra</td>\n" .
2343                      "</tr>\n";
2344        }
2345        print "</table>\n";
2346}
2347
2348## ======================================================================
2349## ======================================================================
2350## actions
2351
2352sub git_project_list {
2353        my $order = $cgi->param('o');
2354        if (defined $order && $order !~ m/project|descr|owner|age/) {
2355                die_error(undef, "Unknown order parameter");
2356        }
2357
2358        my @list = git_get_projects_list();
2359        my @projects;
2360        if (!@list) {
2361                die_error(undef, "No projects found");
2362        }
2363        foreach my $pr (@list) {
2364                my (@aa) = git_get_last_activity($pr->{'path'});
2365                unless (@aa) {
2366                        next;
2367                }
2368                ($pr->{'age'}, $pr->{'age_string'}) = @aa;
2369                if (!defined $pr->{'descr'}) {
2370                        my $descr = git_get_project_description($pr->{'path'}) || "";
2371                        $pr->{'descr'} = chop_str($descr, 25, 5);
2372                }
2373                if (!defined $pr->{'owner'}) {
2374                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
2375                }
2376                push @projects, $pr;
2377        }
2378
2379        git_header_html();
2380        if (-f $home_text) {
2381                print "<div class=\"index_include\">\n";
2382                open (my $fd, $home_text);
2383                print <$fd>;
2384                close $fd;
2385                print "</div>\n";
2386        }
2387        print "<table class=\"project_list\">\n" .
2388              "<tr>\n";
2389        $order ||= "project";
2390        if ($order eq "project") {
2391                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
2392                print "<th>Project</th>\n";
2393        } else {
2394                print "<th>" .
2395                      $cgi->a({-href => href(project=>undef, order=>'project'),
2396                               -class => "header"}, "Project") .
2397                      "</th>\n";
2398        }
2399        if ($order eq "descr") {
2400                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
2401                print "<th>Description</th>\n";
2402        } else {
2403                print "<th>" .
2404                      $cgi->a({-href => href(project=>undef, order=>'descr'),
2405                               -class => "header"}, "Description") .
2406                      "</th>\n";
2407        }
2408        if ($order eq "owner") {
2409                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
2410                print "<th>Owner</th>\n";
2411        } else {
2412                print "<th>" .
2413                      $cgi->a({-href => href(project=>undef, order=>'owner'),
2414                               -class => "header"}, "Owner") .
2415                      "</th>\n";
2416        }
2417        if ($order eq "age") {
2418                @projects = sort {$a->{'age'} <=> $b->{'age'}} @projects;
2419                print "<th>Last Change</th>\n";
2420        } else {
2421                print "<th>" .
2422                      $cgi->a({-href => href(project=>undef, order=>'age'),
2423                               -class => "header"}, "Last Change") .
2424                      "</th>\n";
2425        }
2426        print "<th></th>\n" .
2427              "</tr>\n";
2428        my $alternate = 1;
2429        foreach my $pr (@projects) {
2430                if ($alternate) {
2431                        print "<tr class=\"dark\">\n";
2432                } else {
2433                        print "<tr class=\"light\">\n";
2434                }
2435                $alternate ^= 1;
2436                print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
2437                                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
2438                      "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
2439                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
2440                print "<td class=\"". age_class($pr->{'age'}) . "\">" .
2441                      $pr->{'age_string'} . "</td>\n" .
2442                      "<td class=\"link\">" .
2443                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
2444                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
2445                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " .
2446                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") .
2447                      "</td>\n" .
2448                      "</tr>\n";
2449        }
2450        print "</table>\n";
2451        git_footer_html();
2452}
2453
2454sub git_project_index {
2455        my @projects = git_get_projects_list();
2456
2457        print $cgi->header(
2458                -type => 'text/plain',
2459                -charset => 'utf-8',
2460                -content_disposition => 'inline; filename="index.aux"');
2461
2462        foreach my $pr (@projects) {
2463                if (!exists $pr->{'owner'}) {
2464                        $pr->{'owner'} = get_file_owner("$projectroot/$project");
2465                }
2466
2467                my ($path, $owner) = ($pr->{'path'}, $pr->{'owner'});
2468                # quote as in CGI::Util::encode, but keep the slash, and use '+' for ' '
2469                $path  =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
2470                $owner =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
2471                $path  =~ s/ /\+/g;
2472                $owner =~ s/ /\+/g;
2473
2474                print "$path $owner\n";
2475        }
2476}
2477
2478sub git_summary {
2479        my $descr = git_get_project_description($project) || "none";
2480        my $head = git_get_head_hash($project);
2481        my %co = parse_commit($head);
2482        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2483
2484        my $owner = git_get_project_owner($project);
2485
2486        my ($reflist, $refs) = git_get_refs_list();
2487
2488        my @taglist;
2489        my @headlist;
2490        foreach my $ref (@$reflist) {
2491                if ($ref->{'name'} =~ s!^heads/!!) {
2492                        push @headlist, $ref;
2493                } else {
2494                        $ref->{'name'} =~ s!^tags/!!;
2495                        push @taglist, $ref;
2496                }
2497        }
2498
2499        git_header_html();
2500        git_print_page_nav('summary','', $head);
2501
2502        print "<div class=\"title\">&nbsp;</div>\n";
2503        print "<table cellspacing=\"0\">\n" .
2504              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
2505              "<tr><td>owner</td><td>$owner</td></tr>\n" .
2506              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n";
2507        # use per project git URL list in $projectroot/$project/cloneurl
2508        # or make project git URL from git base URL and project name
2509        my $url_tag = "URL";
2510        my @url_list = git_get_project_url_list($project);
2511        @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
2512        foreach my $git_url (@url_list) {
2513                next unless $git_url;
2514                print "<tr><td>$url_tag</td><td>$git_url</td></tr>\n";
2515                $url_tag = "";
2516        }
2517        print "</table>\n";
2518
2519        open my $fd, "-|", git_cmd(), "rev-list", "--max-count=17",
2520                git_get_head_hash($project)
2521                or die_error(undef, "Open git-rev-list failed");
2522        my @revlist = map { chomp; $_ } <$fd>;
2523        close $fd;
2524        git_print_header_div('shortlog');
2525        git_shortlog_body(\@revlist, 0, 15, $refs,
2526                          $cgi->a({-href => href(action=>"shortlog")}, "..."));
2527
2528        if (@taglist) {
2529                git_print_header_div('tags');
2530                git_tags_body(\@taglist, 0, 15,
2531                              $cgi->a({-href => href(action=>"tags")}, "..."));
2532        }
2533
2534        if (@headlist) {
2535                git_print_header_div('heads');
2536                git_heads_body(\@headlist, $head, 0, 15,
2537                               $cgi->a({-href => href(action=>"heads")}, "..."));
2538        }
2539
2540        git_footer_html();
2541}
2542
2543sub git_tag {
2544        my $head = git_get_head_hash($project);
2545        git_header_html();
2546        git_print_page_nav('','', $head,undef,$head);
2547        my %tag = parse_tag($hash);
2548        git_print_header_div('commit', esc_html($tag{'name'}), $hash);
2549        print "<div class=\"title_text\">\n" .
2550              "<table cellspacing=\"0\">\n" .
2551              "<tr>\n" .
2552              "<td>object</td>\n" .
2553              "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2554                               $tag{'object'}) . "</td>\n" .
2555              "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2556                                              $tag{'type'}) . "</td>\n" .
2557              "</tr>\n";
2558        if (defined($tag{'author'})) {
2559                my %ad = parse_date($tag{'epoch'}, $tag{'tz'});
2560                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
2561                print "<tr><td></td><td>" . $ad{'rfc2822'} .
2562                        sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) .
2563                        "</td></tr>\n";
2564        }
2565        print "</table>\n\n" .
2566              "</div>\n";
2567        print "<div class=\"page_body\">";
2568        my $comment = $tag{'comment'};
2569        foreach my $line (@$comment) {
2570                print esc_html($line) . "<br/>\n";
2571        }
2572        print "</div>\n";
2573        git_footer_html();
2574}
2575
2576sub git_blame2 {
2577        my $fd;
2578        my $ftype;
2579
2580        my ($have_blame) = gitweb_check_feature('blame');
2581        if (!$have_blame) {
2582                die_error('403 Permission denied', "Permission denied");
2583        }
2584        die_error('404 Not Found', "File name not defined") if (!$file_name);
2585        $hash_base ||= git_get_head_hash($project);
2586        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2587        my %co = parse_commit($hash_base)
2588                or die_error(undef, "Reading commit failed");
2589        if (!defined $hash) {
2590                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2591                        or die_error(undef, "Error looking up file");
2592        }
2593        $ftype = git_get_type($hash);
2594        if ($ftype !~ "blob") {
2595                die_error("400 Bad Request", "Object is not a blob");
2596        }
2597        open ($fd, "-|", git_cmd(), "blame", '-l', '--', $file_name, $hash_base)
2598                or die_error(undef, "Open git-blame failed");
2599        git_header_html();
2600        my $formats_nav =
2601                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2602                        "blob") .
2603                " | " .
2604                $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2605                        "history") .
2606                " | " .
2607                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2608                        "HEAD");
2609        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2610        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2611        git_print_page_path($file_name, $ftype, $hash_base);
2612        my @rev_color = (qw(light2 dark2));
2613        my $num_colors = scalar(@rev_color);
2614        my $current_color = 0;
2615        my $last_rev;
2616        print <<HTML;
2617<div class="page_body">
2618<table class="blame">
2619<tr><th>Commit</th><th>Line</th><th>Data</th></tr>
2620HTML
2621        while (<$fd>) {
2622                my ($full_rev, $author, $date, $lineno, $data) =
2623                        /^([0-9a-f]{40}).*?\s\((.*?)\s+([-\d]+ [:\d]+ [-+\d]+)\s+(\d+)\)\s(.*)/;
2624                my $rev = substr($full_rev, 0, 8);
2625                my $print_c8 = 0;
2626
2627                if (!defined $last_rev) {
2628                        $last_rev = $full_rev;
2629                        $print_c8 = 1;
2630                } elsif ($last_rev ne $full_rev) {
2631                        $last_rev = $full_rev;
2632                        $current_color = ++$current_color % $num_colors;
2633                        $print_c8 = 1;
2634                }
2635                print "<tr class=\"$rev_color[$current_color]\">\n";
2636                print "<td class=\"sha1\"";
2637                if ($print_c8 == 1) {
2638                        print " title=\"$author, $date\"";
2639                }
2640                print ">";
2641                if ($print_c8 == 1) {
2642                        print $cgi->a({-href => href(action=>"commit", hash=>$full_rev, file_name=>$file_name)},
2643                                      esc_html($rev));
2644                }
2645                print "</td>\n";
2646                print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" .
2647                      esc_html($lineno) . "</a></td>\n";
2648                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
2649                print "</tr>\n";
2650        }
2651        print "</table>\n";
2652        print "</div>";
2653        close $fd
2654                or print "Reading blob failed\n";
2655        git_footer_html();
2656}
2657
2658sub git_blame {
2659        my $fd;
2660
2661        my ($have_blame) = gitweb_check_feature('blame');
2662        if (!$have_blame) {
2663                die_error('403 Permission denied', "Permission denied");
2664        }
2665        die_error('404 Not Found', "File name not defined") if (!$file_name);
2666        $hash_base ||= git_get_head_hash($project);
2667        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2668        my %co = parse_commit($hash_base)
2669                or die_error(undef, "Reading commit failed");
2670        if (!defined $hash) {
2671                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2672                        or die_error(undef, "Error lookup file");
2673        }
2674        open ($fd, "-|", git_cmd(), "annotate", '-l', '-t', '-r', $file_name, $hash_base)
2675                or die_error(undef, "Open git-annotate failed");
2676        git_header_html();
2677        my $formats_nav =
2678                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2679                        "blob") .
2680                " | " .
2681                $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2682                        "history") .
2683                " | " .
2684                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2685                        "HEAD");
2686        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2687        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2688        git_print_page_path($file_name, 'blob', $hash_base);
2689        print "<div class=\"page_body\">\n";
2690        print <<HTML;
2691<table class="blame">
2692  <tr>
2693    <th>Commit</th>
2694    <th>Age</th>
2695    <th>Author</th>
2696    <th>Line</th>
2697    <th>Data</th>
2698  </tr>
2699HTML
2700        my @line_class = (qw(light dark));
2701        my $line_class_len = scalar (@line_class);
2702        my $line_class_num = $#line_class;
2703        while (my $line = <$fd>) {
2704                my $long_rev;
2705                my $short_rev;
2706                my $author;
2707                my $time;
2708                my $lineno;
2709                my $data;
2710                my $age;
2711                my $age_str;
2712                my $age_class;
2713
2714                chomp $line;
2715                $line_class_num = ($line_class_num + 1) % $line_class_len;
2716
2717                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) [+-]\d\d\d\d\t(\d+)\)(.*)$/) {
2718                        $long_rev = $1;
2719                        $author   = $2;
2720                        $time     = $3;
2721                        $lineno   = $4;
2722                        $data     = $5;
2723                } else {
2724                        print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
2725                        next;
2726                }
2727                $short_rev  = substr ($long_rev, 0, 8);
2728                $age        = time () - $time;
2729                $age_str    = age_string ($age);
2730                $age_str    =~ s/ /&nbsp;/g;
2731                $age_class  = age_class($age);
2732                $author     = esc_html ($author);
2733                $author     =~ s/ /&nbsp;/g;
2734
2735                $data = untabify($data);
2736                $data = esc_html ($data);
2737
2738                print <<HTML;
2739  <tr class="$line_class[$line_class_num]">
2740    <td class="sha1"><a href="${\href (action=>"commit", hash=>$long_rev)}" class="text">$short_rev..</a></td>
2741    <td class="$age_class">$age_str</td>
2742    <td>$author</td>
2743    <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
2744    <td class="pre">$data</td>
2745  </tr>
2746HTML
2747        } # while (my $line = <$fd>)
2748        print "</table>\n\n";
2749        close $fd
2750                or print "Reading blob failed.\n";
2751        print "</div>";
2752        git_footer_html();
2753}
2754
2755sub git_tags {
2756        my $head = git_get_head_hash($project);
2757        git_header_html();
2758        git_print_page_nav('','', $head,undef,$head);
2759        git_print_header_div('summary', $project);
2760
2761        my ($taglist) = git_get_refs_list("tags");
2762        if (@$taglist) {
2763                git_tags_body($taglist);
2764        }
2765        git_footer_html();
2766}
2767
2768sub git_heads {
2769        my $head = git_get_head_hash($project);
2770        git_header_html();
2771        git_print_page_nav('','', $head,undef,$head);
2772        git_print_header_div('summary', $project);
2773
2774        my ($headlist) = git_get_refs_list("heads");
2775        if (@$headlist) {
2776                git_heads_body($headlist, $head);
2777        }
2778        git_footer_html();
2779}
2780
2781sub git_blob_plain {
2782        my $expires;
2783
2784        if (!defined $hash) {
2785                if (defined $file_name) {
2786                        my $base = $hash_base || git_get_head_hash($project);
2787                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2788                                or die_error(undef, "Error lookup file");
2789                } else {
2790                        die_error(undef, "No file name defined");
2791                }
2792        } elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2793                # blobs defined by non-textual hash id's can be cached
2794                $expires = "+1d";
2795        }
2796
2797        my $type = shift;
2798        open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
2799                or die_error(undef, "Couldn't cat $file_name, $hash");
2800
2801        $type ||= blob_mimetype($fd, $file_name);
2802
2803        # save as filename, even when no $file_name is given
2804        my $save_as = "$hash";
2805        if (defined $file_name) {
2806                $save_as = $file_name;
2807        } elsif ($type =~ m/^text\//) {
2808                $save_as .= '.txt';
2809        }
2810
2811        print $cgi->header(
2812                -type => "$type",
2813                -expires=>$expires,
2814                -content_disposition => 'inline; filename="' . "$save_as" . '"');
2815        undef $/;
2816        binmode STDOUT, ':raw';
2817        print <$fd>;
2818        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2819        $/ = "\n";
2820        close $fd;
2821}
2822
2823sub git_blob {
2824        my $expires;
2825
2826        if (!defined $hash) {
2827                if (defined $file_name) {
2828                        my $base = $hash_base || git_get_head_hash($project);
2829                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2830                                or die_error(undef, "Error lookup file");
2831                } else {
2832                        die_error(undef, "No file name defined");
2833                }
2834        } elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2835                # blobs defined by non-textual hash id's can be cached
2836                $expires = "+1d";
2837        }
2838
2839        my ($have_blame) = gitweb_check_feature('blame');
2840        open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
2841                or die_error(undef, "Couldn't cat $file_name, $hash");
2842        my $mimetype = blob_mimetype($fd, $file_name);
2843        if ($mimetype !~ m/^text\//) {
2844                close $fd;
2845                return git_blob_plain($mimetype);
2846        }
2847        git_header_html(undef, $expires);
2848        my $formats_nav = '';
2849        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2850                if (defined $file_name) {
2851                        if ($have_blame) {
2852                                $formats_nav .=
2853                                        $cgi->a({-href => href(action=>"blame", hash_base=>$hash_base,
2854                                                               hash=>$hash, file_name=>$file_name)},
2855                                                "blame") .
2856                                        " | ";
2857                        }
2858                        $formats_nav .=
2859                                $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2860                                                       hash=>$hash, file_name=>$file_name)},
2861                                        "history") .
2862                                " | " .
2863                                $cgi->a({-href => href(action=>"blob_plain",
2864                                                       hash=>$hash, file_name=>$file_name)},
2865                                        "raw") .
2866                                " | " .
2867                                $cgi->a({-href => href(action=>"blob",
2868                                                       hash_base=>"HEAD", file_name=>$file_name)},
2869                                        "HEAD");
2870                } else {
2871                        $formats_nav .=
2872                                $cgi->a({-href => href(action=>"blob_plain", hash=>$hash)}, "raw");
2873                }
2874                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2875                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2876        } else {
2877                print "<div class=\"page_nav\">\n" .
2878                      "<br/><br/></div>\n" .
2879                      "<div class=\"title\">$hash</div>\n";
2880        }
2881        git_print_page_path($file_name, "blob", $hash_base);
2882        print "<div class=\"page_body\">\n";
2883        my $nr;
2884        while (my $line = <$fd>) {
2885                chomp $line;
2886                $nr++;
2887                $line = untabify($line);
2888                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
2889                       $nr, $nr, $nr, esc_html($line);
2890        }
2891        close $fd
2892                or print "Reading blob failed.\n";
2893        print "</div>";
2894        git_footer_html();
2895}
2896
2897sub git_tree {
2898        my $have_snapshot = gitweb_have_snapshot();
2899
2900        if (!defined $hash_base) {
2901                $hash_base = "HEAD";
2902        }
2903        if (!defined $hash) {
2904                if (defined $file_name) {
2905                        $hash = git_get_hash_by_path($hash_base, $file_name, "tree");
2906                } else {
2907                        $hash = $hash_base;
2908                }
2909        }
2910        $/ = "\0";
2911        open my $fd, "-|", git_cmd(), "ls-tree", '-z', $hash
2912                or die_error(undef, "Open git-ls-tree failed");
2913        my @entries = map { chomp; $_ } <$fd>;
2914        close $fd or die_error(undef, "Reading tree failed");
2915        $/ = "\n";
2916
2917        my $refs = git_get_references();
2918        my $ref = format_ref_marker($refs, $hash_base);
2919        git_header_html();
2920        my $basedir = '';
2921        my ($have_blame) = gitweb_check_feature('blame');
2922        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2923                my @views_nav = ();
2924                if (defined $file_name) {
2925                        push @views_nav,
2926                                $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2927                                                       hash=>$hash, file_name=>$file_name)},
2928                                        "history"),
2929                                $cgi->a({-href => href(action=>"tree",
2930                                                       hash_base=>"HEAD", file_name=>$file_name)},
2931                                        "HEAD"),
2932                }
2933                if ($have_snapshot) {
2934                        # FIXME: Should be available when we have no hash base as well.
2935                        push @views_nav,
2936                                $cgi->a({-href => href(action=>"snapshot", hash=>$hash)},
2937                                        "snapshot");
2938                }
2939                git_print_page_nav('tree','', $hash_base, undef, undef, join(' | ', @views_nav));
2940                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
2941        } else {
2942                undef $hash_base;
2943                print "<div class=\"page_nav\">\n";
2944                print "<br/><br/></div>\n";
2945                print "<div class=\"title\">$hash</div>\n";
2946        }
2947        if (defined $file_name) {
2948                $basedir = $file_name;
2949                if ($basedir ne '' && substr($basedir, -1) ne '/') {
2950                        $basedir .= '/';
2951                }
2952        }
2953        git_print_page_path($file_name, 'tree', $hash_base);
2954        print "<div class=\"page_body\">\n";
2955        print "<table cellspacing=\"0\">\n";
2956        my $alternate = 1;
2957        # '..' (top directory) link if possible
2958        if (defined $hash_base &&
2959            defined $file_name && $file_name =~ m![^/]+$!) {
2960                if ($alternate) {
2961                        print "<tr class=\"dark\">\n";
2962                } else {
2963                        print "<tr class=\"light\">\n";
2964                }
2965                $alternate ^= 1;
2966
2967                my $up = $file_name;
2968                $up =~ s!/?[^/]+$!!;
2969                undef $up unless $up;
2970                # based on git_print_tree_entry
2971                print '<td class="mode">' . mode_str('040000') . "</td>\n";
2972                print '<td class="list">';
2973                print $cgi->a({-href => href(action=>"tree", hash_base=>$hash_base,
2974                                             file_name=>$up)},
2975                              "..");
2976                print "</td>\n";
2977                print "<td class=\"link\"></td>\n";
2978
2979                print "</tr>\n";
2980        }
2981        foreach my $line (@entries) {
2982                my %t = parse_ls_tree_line($line, -z => 1);
2983
2984                if ($alternate) {
2985                        print "<tr class=\"dark\">\n";
2986                } else {
2987                        print "<tr class=\"light\">\n";
2988                }
2989                $alternate ^= 1;
2990
2991                git_print_tree_entry(\%t, $basedir, $hash_base, $have_blame);
2992
2993                print "</tr>\n";
2994        }
2995        print "</table>\n" .
2996              "</div>";
2997        git_footer_html();
2998}
2999
3000sub git_snapshot {
3001        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
3002        my $have_snapshot = (defined $ctype && defined $suffix);
3003        if (!$have_snapshot) {
3004                die_error('403 Permission denied', "Permission denied");
3005        }
3006
3007        if (!defined $hash) {
3008                $hash = git_get_head_hash($project);
3009        }
3010
3011        my $filename = basename($project) . "-$hash.tar.$suffix";
3012
3013        print $cgi->header(
3014                -type => 'application/x-tar',
3015                -content_encoding => $ctype,
3016                -content_disposition => 'inline; filename="' . "$filename" . '"',
3017                -status => '200 OK');
3018
3019        my $git = git_cmd_str();
3020        my $name = $project;
3021        $name =~ s/\047/\047\\\047\047/g;
3022        open my $fd, "-|",
3023        "$git archive --format=tar --prefix=\'$name\'/ $hash | $command"
3024                or die_error(undef, "Execute git-tar-tree failed.");
3025        binmode STDOUT, ':raw';
3026        print <$fd>;
3027        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
3028        close $fd;
3029
3030}
3031
3032sub git_log {
3033        my $head = git_get_head_hash($project);
3034        if (!defined $hash) {
3035                $hash = $head;
3036        }
3037        if (!defined $page) {
3038                $page = 0;
3039        }
3040        my $refs = git_get_references();
3041
3042        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3043        open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash
3044                or die_error(undef, "Open git-rev-list failed");
3045        my @revlist = map { chomp; $_ } <$fd>;
3046        close $fd;
3047
3048        my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#revlist);
3049
3050        git_header_html();
3051        git_print_page_nav('log','', $hash,undef,undef, $paging_nav);
3052
3053        if (!@revlist) {
3054                my %co = parse_commit($hash);
3055
3056                git_print_header_div('summary', $project);
3057                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
3058        }
3059        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
3060                my $commit = $revlist[$i];
3061                my $ref = format_ref_marker($refs, $commit);
3062                my %co = parse_commit($commit);
3063                next if !%co;
3064                my %ad = parse_date($co{'author_epoch'});
3065                git_print_header_div('commit',
3066                               "<span class=\"age\">$co{'age_string'}</span>" .
3067                               esc_html($co{'title'}) . $ref,
3068                               $commit);
3069                print "<div class=\"title_text\">\n" .
3070                      "<div class=\"log_link\">\n" .
3071                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
3072                      " | " .
3073                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
3074                      " | " .
3075                      $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") .
3076                      "<br/>\n" .
3077                      "</div>\n" .
3078                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
3079                      "</div>\n";
3080
3081                print "<div class=\"log_body\">\n";
3082                git_print_simplified_log($co{'comment'});
3083                print "</div>\n";
3084        }
3085        git_footer_html();
3086}
3087
3088sub git_commit {
3089        my %co = parse_commit($hash);
3090        if (!%co) {
3091                die_error(undef, "Unknown commit object");
3092        }
3093        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
3094        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
3095
3096        my $parent = $co{'parent'};
3097        if (!defined $parent) {
3098                $parent = "--root";
3099        }
3100        open my $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $parent, $hash
3101                or die_error(undef, "Open git-diff-tree failed");
3102        my @difftree = map { chomp; $_ } <$fd>;
3103        close $fd or die_error(undef, "Reading git-diff-tree failed");
3104
3105        # non-textual hash id's can be cached
3106        my $expires;
3107        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
3108                $expires = "+1d";
3109        }
3110        my $refs = git_get_references();
3111        my $ref = format_ref_marker($refs, $co{'id'});
3112
3113        my $have_snapshot = gitweb_have_snapshot();
3114
3115        my @views_nav = ();
3116        if (defined $file_name && defined $co{'parent'}) {
3117                push @views_nav,
3118                        $cgi->a({-href => href(action=>"blame", hash_parent=>$parent, file_name=>$file_name)},
3119                                "blame");
3120        }
3121        git_header_html(undef, $expires);
3122        git_print_page_nav('commit', '',
3123                           $hash, $co{'tree'}, $hash,
3124                           join (' | ', @views_nav));
3125
3126        if (defined $co{'parent'}) {
3127                git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
3128        } else {
3129                git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
3130        }
3131        print "<div class=\"title_text\">\n" .
3132              "<table cellspacing=\"0\">\n";
3133        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
3134              "<tr>" .
3135              "<td></td><td> $ad{'rfc2822'}";
3136        if ($ad{'hour_local'} < 6) {
3137                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
3138                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
3139        } else {
3140                printf(" (%02d:%02d %s)",
3141                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
3142        }
3143        print "</td>" .
3144              "</tr>\n";
3145        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
3146        print "<tr><td></td><td> $cd{'rfc2822'}" .
3147              sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) .
3148              "</td></tr>\n";
3149        print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
3150        print "<tr>" .
3151              "<td>tree</td>" .
3152              "<td class=\"sha1\">" .
3153              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
3154                       class => "list"}, $co{'tree'}) .
3155              "</td>" .
3156              "<td class=\"link\">" .
3157              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
3158                      "tree");
3159        if ($have_snapshot) {
3160                print " | " .
3161                      $cgi->a({-href => href(action=>"snapshot", hash=>$hash)}, "snapshot");
3162        }
3163        print "</td>" .
3164              "</tr>\n";
3165        my $parents = $co{'parents'};
3166        foreach my $par (@$parents) {
3167                print "<tr>" .
3168                      "<td>parent</td>" .
3169                      "<td class=\"sha1\">" .
3170                      $cgi->a({-href => href(action=>"commit", hash=>$par),
3171                               class => "list"}, $par) .
3172                      "</td>" .
3173                      "<td class=\"link\">" .
3174                      $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
3175                      " | " .
3176                      $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "diff") .
3177                      "</td>" .
3178                      "</tr>\n";
3179        }
3180        print "</table>".
3181              "</div>\n";
3182
3183        print "<div class=\"page_body\">\n";
3184        git_print_log($co{'comment'});
3185        print "</div>\n";
3186
3187        git_difftree_body(\@difftree, $hash, $parent);
3188
3189        git_footer_html();
3190}
3191
3192sub git_blobdiff {
3193        my $format = shift || 'html';
3194
3195        my $fd;
3196        my @difftree;
3197        my %diffinfo;
3198        my $expires;
3199
3200        # preparing $fd and %diffinfo for git_patchset_body
3201        # new style URI
3202        if (defined $hash_base && defined $hash_parent_base) {
3203                if (defined $file_name) {
3204                        # read raw output
3205                        open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base,
3206                                "--", $file_name
3207                                or die_error(undef, "Open git-diff-tree failed");
3208                        @difftree = map { chomp; $_ } <$fd>;
3209                        close $fd
3210                                or die_error(undef, "Reading git-diff-tree failed");
3211                        @difftree
3212                                or die_error('404 Not Found', "Blob diff not found");
3213
3214                } elsif (defined $hash &&
3215                         $hash =~ /[0-9a-fA-F]{40}/) {
3216                        # try to find filename from $hash
3217
3218                        # read filtered raw output
3219                        open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base
3220                                or die_error(undef, "Open git-diff-tree failed");
3221                        @difftree =
3222                                # ':100644 100644 03b21826... 3b93d5e7... M     ls-files.c'
3223                                # $hash == to_id
3224                                grep { /^:[0-7]{6} [0-7]{6} [0-9a-fA-F]{40} $hash/ }
3225                                map { chomp; $_ } <$fd>;
3226                        close $fd
3227                                or die_error(undef, "Reading git-diff-tree failed");
3228                        @difftree
3229                                or die_error('404 Not Found', "Blob diff not found");
3230
3231                } else {
3232                        die_error('404 Not Found', "Missing one of the blob diff parameters");
3233                }
3234
3235                if (@difftree > 1) {
3236                        die_error('404 Not Found', "Ambiguous blob diff specification");
3237                }
3238
3239                %diffinfo = parse_difftree_raw_line($difftree[0]);
3240                $file_parent ||= $diffinfo{'from_file'} || $file_name || $diffinfo{'file'};
3241                $file_name   ||= $diffinfo{'to_file'}   || $diffinfo{'file'};
3242
3243                $hash_parent ||= $diffinfo{'from_id'};
3244                $hash        ||= $diffinfo{'to_id'};
3245
3246                # non-textual hash id's can be cached
3247                if ($hash_base =~ m/^[0-9a-fA-F]{40}$/ &&
3248                    $hash_parent_base =~ m/^[0-9a-fA-F]{40}$/) {
3249                        $expires = '+1d';
3250                }
3251
3252                # open patch output
3253                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3254                        '-p', $hash_parent_base, $hash_base,
3255                        "--", $file_name
3256                        or die_error(undef, "Open git-diff-tree failed");
3257        }
3258
3259        # old/legacy style URI
3260        if (!%diffinfo && # if new style URI failed
3261            defined $hash && defined $hash_parent) {
3262                # fake git-diff-tree raw output
3263                $diffinfo{'from_mode'} = $diffinfo{'to_mode'} = "blob";
3264                $diffinfo{'from_id'} = $hash_parent;
3265                $diffinfo{'to_id'}   = $hash;
3266                if (defined $file_name) {
3267                        if (defined $file_parent) {
3268                                $diffinfo{'status'} = '2';
3269                                $diffinfo{'from_file'} = $file_parent;
3270                                $diffinfo{'to_file'}   = $file_name;
3271                        } else { # assume not renamed
3272                                $diffinfo{'status'} = '1';
3273                                $diffinfo{'from_file'} = $file_name;
3274                                $diffinfo{'to_file'}   = $file_name;
3275                        }
3276                } else { # no filename given
3277                        $diffinfo{'status'} = '2';
3278                        $diffinfo{'from_file'} = $hash_parent;
3279                        $diffinfo{'to_file'}   = $hash;
3280                }
3281
3282                # non-textual hash id's can be cached
3283                if ($hash =~ m/^[0-9a-fA-F]{40}$/ &&
3284                    $hash_parent =~ m/^[0-9a-fA-F]{40}$/) {
3285                        $expires = '+1d';
3286                }
3287
3288                # open patch output
3289                open $fd, "-|", git_cmd(), "diff", '-p', @diff_opts, $hash_parent, $hash
3290                        or die_error(undef, "Open git-diff failed");
3291        } else  {
3292                die_error('404 Not Found', "Missing one of the blob diff parameters")
3293                        unless %diffinfo;
3294        }
3295
3296        # header
3297        if ($format eq 'html') {
3298                my $formats_nav =
3299                        $cgi->a({-href => href(action=>"blobdiff_plain",
3300                                               hash=>$hash, hash_parent=>$hash_parent,
3301                                               hash_base=>$hash_base, hash_parent_base=>$hash_parent_base,
3302                                               file_name=>$file_name, file_parent=>$file_parent)},
3303                                "raw");
3304                git_header_html(undef, $expires);
3305                if (defined $hash_base && (my %co = parse_commit($hash_base))) {
3306                        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
3307                        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
3308                } else {
3309                        print "<div class=\"page_nav\"><br/>$formats_nav<br/></div>\n";
3310                        print "<div class=\"title\">$hash vs $hash_parent</div>\n";
3311                }
3312                if (defined $file_name) {
3313                        git_print_page_path($file_name, "blob", $hash_base);
3314                } else {
3315                        print "<div class=\"page_path\"></div>\n";
3316                }
3317
3318        } elsif ($format eq 'plain') {
3319                print $cgi->header(
3320                        -type => 'text/plain',
3321                        -charset => 'utf-8',
3322                        -expires => $expires,
3323                        -content_disposition => 'inline; filename="' . "$file_name" . '.patch"');
3324
3325                print "X-Git-Url: " . $cgi->self_url() . "\n\n";
3326
3327        } else {
3328                die_error(undef, "Unknown blobdiff format");
3329        }
3330
3331        # patch
3332        if ($format eq 'html') {
3333                print "<div class=\"page_body\">\n";
3334
3335                git_patchset_body($fd, [ \%diffinfo ], $hash_base, $hash_parent_base);
3336                close $fd;
3337
3338                print "</div>\n"; # class="page_body"
3339                git_footer_html();
3340
3341        } else {
3342                while (my $line = <$fd>) {
3343                        $line =~ s!a/($hash|$hash_parent)!'a/'.esc_html($diffinfo{'from_file'})!eg;
3344                        $line =~ s!b/($hash|$hash_parent)!'b/'.esc_html($diffinfo{'to_file'})!eg;
3345
3346                        print $line;
3347
3348                        last if $line =~ m!^\+\+\+!;
3349                }
3350                local $/ = undef;
3351                print <$fd>;
3352                close $fd;
3353        }
3354}
3355
3356sub git_blobdiff_plain {
3357        git_blobdiff('plain');
3358}
3359
3360sub git_commitdiff {
3361        my $format = shift || 'html';
3362        my %co = parse_commit($hash);
3363        if (!%co) {
3364                die_error(undef, "Unknown commit object");
3365        }
3366        if (!defined $hash_parent) {
3367                $hash_parent = $co{'parent'} || '--root';
3368        }
3369
3370        # read commitdiff
3371        my $fd;
3372        my @difftree;
3373        if ($format eq 'html') {
3374                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3375                        "--patch-with-raw", "--full-index", $hash_parent, $hash
3376                        or die_error(undef, "Open git-diff-tree failed");
3377
3378                while (chomp(my $line = <$fd>)) {
3379                        # empty line ends raw part of diff-tree output
3380                        last unless $line;
3381                        push @difftree, $line;
3382                }
3383
3384        } elsif ($format eq 'plain') {
3385                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3386                        '-p', $hash_parent, $hash
3387                        or die_error(undef, "Open git-diff-tree failed");
3388
3389        } else {
3390                die_error(undef, "Unknown commitdiff format");
3391        }
3392
3393        # non-textual hash id's can be cached
3394        my $expires;
3395        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
3396                $expires = "+1d";
3397        }
3398
3399        # write commit message
3400        if ($format eq 'html') {
3401                my $refs = git_get_references();
3402                my $ref = format_ref_marker($refs, $co{'id'});
3403                my $formats_nav =
3404                        $cgi->a({-href => href(action=>"commitdiff_plain",
3405                                               hash=>$hash, hash_parent=>$hash_parent)},
3406                                "raw");
3407
3408                git_header_html(undef, $expires);
3409                git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
3410                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
3411                git_print_authorship(\%co);
3412                print "<div class=\"page_body\">\n";
3413                print "<div class=\"log\">\n";
3414                git_print_simplified_log($co{'comment'}, 1); # skip title
3415                print "</div>\n"; # class="log"
3416
3417        } elsif ($format eq 'plain') {
3418                my $refs = git_get_references("tags");
3419                my $tagname = git_get_rev_name_tags($hash);
3420                my $filename = basename($project) . "-$hash.patch";
3421
3422                print $cgi->header(
3423                        -type => 'text/plain',
3424                        -charset => 'utf-8',
3425                        -expires => $expires,
3426                        -content_disposition => 'inline; filename="' . "$filename" . '"');
3427                my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
3428                print <<TEXT;
3429From: $co{'author'}
3430Date: $ad{'rfc2822'} ($ad{'tz_local'})
3431Subject: $co{'title'}
3432TEXT
3433                print "X-Git-Tag: $tagname\n" if $tagname;
3434                print "X-Git-Url: " . $cgi->self_url() . "\n\n";
3435
3436                foreach my $line (@{$co{'comment'}}) {
3437                        print "$line\n";
3438                }
3439                print "---\n\n";
3440        }
3441
3442        # write patch
3443        if ($format eq 'html') {
3444                git_difftree_body(\@difftree, $hash, $hash_parent);
3445                print "<br/>\n";
3446
3447                git_patchset_body($fd, \@difftree, $hash, $hash_parent);
3448                close $fd;
3449                print "</div>\n"; # class="page_body"
3450                git_footer_html();
3451
3452        } elsif ($format eq 'plain') {
3453                local $/ = undef;
3454                print <$fd>;
3455                close $fd
3456                        or print "Reading git-diff-tree failed\n";
3457        }
3458}
3459
3460sub git_commitdiff_plain {
3461        git_commitdiff('plain');
3462}
3463
3464sub git_history {
3465        if (!defined $hash_base) {
3466                $hash_base = git_get_head_hash($project);
3467        }
3468        if (!defined $page) {
3469                $page = 0;
3470        }
3471        my $ftype;
3472        my %co = parse_commit($hash_base);
3473        if (!%co) {
3474                die_error(undef, "Unknown commit object");
3475        }
3476
3477        my $refs = git_get_references();
3478        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3479
3480        if (!defined $hash && defined $file_name) {
3481                $hash = git_get_hash_by_path($hash_base, $file_name);
3482        }
3483        if (defined $hash) {
3484                $ftype = git_get_type($hash);
3485        }
3486
3487        open my $fd, "-|",
3488                git_cmd(), "rev-list", $limit, "--full-history", $hash_base, "--", $file_name
3489                        or die_error(undef, "Open git-rev-list-failed");
3490        my @revlist = map { chomp; $_ } <$fd>;
3491        close $fd
3492                or die_error(undef, "Reading git-rev-list failed");
3493
3494        my $paging_nav = '';
3495        if ($page > 0) {
3496                $paging_nav .=
3497                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3498                                               file_name=>$file_name)},
3499                                "first");
3500                $paging_nav .= " &sdot; " .
3501                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3502                                               file_name=>$file_name, page=>$page-1),
3503                                 -accesskey => "p", -title => "Alt-p"}, "prev");
3504        } else {
3505                $paging_nav .= "first";
3506                $paging_nav .= " &sdot; prev";
3507        }
3508        if ($#revlist >= (100 * ($page+1)-1)) {
3509                $paging_nav .= " &sdot; " .
3510                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3511                                               file_name=>$file_name, page=>$page+1),
3512                                 -accesskey => "n", -title => "Alt-n"}, "next");
3513        } else {
3514                $paging_nav .= " &sdot; next";
3515        }
3516        my $next_link = '';
3517        if ($#revlist >= (100 * ($page+1)-1)) {
3518                $next_link =
3519                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3520                                               file_name=>$file_name, page=>$page+1),
3521                                 -title => "Alt-n"}, "next");
3522        }
3523
3524        git_header_html();
3525        git_print_page_nav('history','', $hash_base,$co{'tree'},$hash_base, $paging_nav);
3526        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
3527        git_print_page_path($file_name, $ftype, $hash_base);
3528
3529        git_history_body(\@revlist, ($page * 100), $#revlist,
3530                         $refs, $hash_base, $ftype, $next_link);
3531
3532        git_footer_html();
3533}
3534
3535sub git_search {
3536        if (!defined $searchtext) {
3537                die_error(undef, "Text field empty");
3538        }
3539        if (!defined $hash) {
3540                $hash = git_get_head_hash($project);
3541        }
3542        my %co = parse_commit($hash);
3543        if (!%co) {
3544                die_error(undef, "Unknown commit object");
3545        }
3546
3547        my $commit_search = 1;
3548        my $author_search = 0;
3549        my $committer_search = 0;
3550        my $pickaxe_search = 0;
3551        if ($searchtext =~ s/^author\\://i) {
3552                $author_search = 1;
3553        } elsif ($searchtext =~ s/^committer\\://i) {
3554                $committer_search = 1;
3555        } elsif ($searchtext =~ s/^pickaxe\\://i) {
3556                $commit_search = 0;
3557                $pickaxe_search = 1;
3558
3559                # pickaxe may take all resources of your box and run for several minutes
3560                # with every query - so decide by yourself how public you make this feature
3561                my ($have_pickaxe) = gitweb_check_feature('pickaxe');
3562                if (!$have_pickaxe) {
3563                        die_error('403 Permission denied', "Permission denied");
3564                }
3565        }
3566        git_header_html();
3567        git_print_page_nav('','', $hash,$co{'tree'},$hash);
3568        git_print_header_div('commit', esc_html($co{'title'}), $hash);
3569
3570        print "<table cellspacing=\"0\">\n";
3571        my $alternate = 1;
3572        if ($commit_search) {
3573                $/ = "\0";
3574                open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", $hash or next;
3575                while (my $commit_text = <$fd>) {
3576                        if (!grep m/$searchtext/i, $commit_text) {
3577                                next;
3578                        }
3579                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
3580                                next;
3581                        }
3582                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
3583                                next;
3584                        }
3585                        my @commit_lines = split "\n", $commit_text;
3586                        my %co = parse_commit(undef, \@commit_lines);
3587                        if (!%co) {
3588                                next;
3589                        }
3590                        if ($alternate) {
3591                                print "<tr class=\"dark\">\n";
3592                        } else {
3593                                print "<tr class=\"light\">\n";
3594                        }
3595                        $alternate ^= 1;
3596                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3597                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3598                              "<td>" .
3599                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), -class => "list subject"},
3600                                       esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3601                        my $comment = $co{'comment'};
3602                        foreach my $line (@$comment) {
3603                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
3604                                        my $lead = esc_html($1) || "";
3605                                        $lead = chop_str($lead, 30, 10);
3606                                        my $match = esc_html($2) || "";
3607                                        my $trail = esc_html($3) || "";
3608                                        $trail = chop_str($trail, 30, 10);
3609                                        my $text = "$lead<span class=\"match\">$match</span>$trail";
3610                                        print chop_str($text, 80, 5) . "<br/>\n";
3611                                }
3612                        }
3613                        print "</td>\n" .
3614                              "<td class=\"link\">" .
3615                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3616                              " | " .
3617                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3618                        print "</td>\n" .
3619                              "</tr>\n";
3620                }
3621                close $fd;
3622        }
3623
3624        if ($pickaxe_search) {
3625                $/ = "\n";
3626                my $git_command = git_cmd_str();
3627                open my $fd, "-|", "$git_command rev-list $hash | " .
3628                        "$git_command diff-tree -r --stdin -S\'$searchtext\'";
3629                undef %co;
3630                my @files;
3631                while (my $line = <$fd>) {
3632                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
3633                                my %set;
3634                                $set{'file'} = $6;
3635                                $set{'from_id'} = $3;
3636                                $set{'to_id'} = $4;
3637                                $set{'id'} = $set{'to_id'};
3638                                if ($set{'id'} =~ m/0{40}/) {
3639                                        $set{'id'} = $set{'from_id'};
3640                                }
3641                                if ($set{'id'} =~ m/0{40}/) {
3642                                        next;
3643                                }
3644                                push @files, \%set;
3645                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
3646                                if (%co) {
3647                                        if ($alternate) {
3648                                                print "<tr class=\"dark\">\n";
3649                                        } else {
3650                                                print "<tr class=\"light\">\n";
3651                                        }
3652                                        $alternate ^= 1;
3653                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3654                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3655                                              "<td>" .
3656                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
3657                                                      -class => "list subject"},
3658                                                      esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3659                                        while (my $setref = shift @files) {
3660                                                my %set = %$setref;
3661                                                print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
3662                                                                             hash=>$set{'id'}, file_name=>$set{'file'}),
3663                                                              -class => "list"},
3664                                                              "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
3665                                                      "<br/>\n";
3666                                        }
3667                                        print "</td>\n" .
3668                                              "<td class=\"link\">" .
3669                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3670                                              " | " .
3671                                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3672                                        print "</td>\n" .
3673                                              "</tr>\n";
3674                                }
3675                                %co = parse_commit($1);
3676                        }
3677                }
3678                close $fd;
3679        }
3680        print "</table>\n";
3681        git_footer_html();
3682}
3683
3684sub git_shortlog {
3685        my $head = git_get_head_hash($project);
3686        if (!defined $hash) {
3687                $hash = $head;
3688        }
3689        if (!defined $page) {
3690                $page = 0;
3691        }
3692        my $refs = git_get_references();
3693
3694        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3695        open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash
3696                or die_error(undef, "Open git-rev-list failed");
3697        my @revlist = map { chomp; $_ } <$fd>;
3698        close $fd;
3699
3700        my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#revlist);
3701        my $next_link = '';
3702        if ($#revlist >= (100 * ($page+1)-1)) {
3703                $next_link =
3704                        $cgi->a({-href => href(action=>"shortlog", hash=>$hash, page=>$page+1),
3705                                 -title => "Alt-n"}, "next");
3706        }
3707
3708
3709        git_header_html();
3710        git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
3711        git_print_header_div('summary', $project);
3712
3713        git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
3714
3715        git_footer_html();
3716}
3717
3718## ......................................................................
3719## feeds (RSS, OPML)
3720
3721sub git_rss {
3722        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
3723        open my $fd, "-|", git_cmd(), "rev-list", "--max-count=150", git_get_head_hash($project)
3724                or die_error(undef, "Open git-rev-list failed");
3725        my @revlist = map { chomp; $_ } <$fd>;
3726        close $fd or die_error(undef, "Reading git-rev-list failed");
3727        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3728        print <<XML;
3729<?xml version="1.0" encoding="utf-8"?>
3730<rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
3731<channel>
3732<title>$project $my_uri $my_url</title>
3733<link>${\esc_html("$my_url?p=$project;a=summary")}</link>
3734<description>$project log</description>
3735<language>en</language>
3736XML
3737
3738        for (my $i = 0; $i <= $#revlist; $i++) {
3739                my $commit = $revlist[$i];
3740                my %co = parse_commit($commit);
3741                # we read 150, we always show 30 and the ones more recent than 48 hours
3742                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
3743                        last;
3744                }
3745                my %cd = parse_date($co{'committer_epoch'});
3746                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3747                        $co{'parent'}, $co{'id'}
3748                        or next;
3749                my @difftree = map { chomp; $_ } <$fd>;
3750                close $fd
3751                        or next;
3752                print "<item>\n" .
3753                      "<title>" .
3754                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
3755                      "</title>\n" .
3756                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
3757                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
3758                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
3759                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
3760                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
3761                      "<content:encoded>" .
3762                      "<![CDATA[\n";
3763                my $comment = $co{'comment'};
3764                foreach my $line (@$comment) {
3765                        $line = to_utf8($line);
3766                        print "$line<br/>\n";
3767                }
3768                print "<br/>\n";
3769                foreach my $line (@difftree) {
3770                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
3771                                next;
3772                        }
3773                        my $file = esc_html(unquote($7));
3774                        $file = to_utf8($file);
3775                        print "$file<br/>\n";
3776                }
3777                print "]]>\n" .
3778                      "</content:encoded>\n" .
3779                      "</item>\n";
3780        }
3781        print "</channel></rss>";
3782}
3783
3784sub git_opml {
3785        my @list = git_get_projects_list();
3786
3787        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3788        print <<XML;
3789<?xml version="1.0" encoding="utf-8"?>
3790<opml version="1.0">
3791<head>
3792  <title>$site_name Git OPML Export</title>
3793</head>
3794<body>
3795<outline text="git RSS feeds">
3796XML
3797
3798        foreach my $pr (@list) {
3799                my %proj = %$pr;
3800                my $head = git_get_head_hash($proj{'path'});
3801                if (!defined $head) {
3802                        next;
3803                }
3804                $git_dir = "$projectroot/$proj{'path'}";
3805                my %co = parse_commit($head);
3806                if (!%co) {
3807                        next;
3808                }
3809
3810                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
3811                my $rss  = "$my_url?p=$proj{'path'};a=rss";
3812                my $html = "$my_url?p=$proj{'path'};a=summary";
3813                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
3814        }
3815        print <<XML;
3816</outline>
3817</body>
3818</opml>
3819XML
3820}