Andrew's git - gitweb.git/blob - gitweb/gitweb.perl

   1#!/usr/bin/perl
   2
   3# gitweb - simple web interface to track changes in git repositories
   4#
   5# (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
   6# (C) 2005, Christian Gierke
   7#
   8# This program is licensed under the GPLv2
   9
  10use strict;
  11use warnings;
  12use CGI qw(:standard :escapeHTML -nosticky);
  13use CGI::Util qw(unescape);
  14use CGI::Carp qw(fatalsToBrowser);
  15use Encode;
  16use Fcntl ':mode';
  17use File::Find qw();
  18use File::Basename qw(basename);
  19binmode STDOUT, ':utf8';
  20
  21our $cgi = new CGI;
  22our $version = "++GIT_VERSION++";
  23our $my_url = $cgi->url();
  24our $my_uri = $cgi->url(-absolute => 1);
  25
  26# core git executable to use
  27# this can just be "git" if your webserver has a sensible PATH
  28our $GIT = "++GIT_BINDIR++/git";
  29
  30# absolute fs-path which will be prepended to the project path
  31#our $projectroot = "/pub/scm";
  32our $projectroot = "++GITWEB_PROJECTROOT++";
  33
  34# 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 $site_name = "++GITWEB_SITENAME++"
  43                 || ($ENV{'SERVER_NAME'} || "Untitled") . " Git";
  44
  45# filename of html text to include at top of each page
  46our $site_header = "++GITWEB_SITE_HEADER++";
  47# html text to include at home page
  48our $home_text = "++GITWEB_HOMETEXT++";
  49# filename of html text to include at bottom of each page
  50our $site_footer = "++GITWEB_SITE_FOOTER++";
  51
  52# URI of stylesheets
  53our @stylesheets = ("++GITWEB_CSS++");
  54# URI of a single stylesheet, which can be overridden in GITWEB_CONFIG.
  55our $stylesheet = undef;
  56# URI of GIT logo (72x27 size)
  57our $logo = "++GITWEB_LOGO++";
  58# URI of GIT favicon, assumed to be image/png type
  59our $favicon = "++GITWEB_FAVICON++";
  60
  61# URI and label (title) of GIT logo link
  62#our $logo_url = "http://www.kernel.org/pub/software/scm/git/docs/";
  63#our $logo_label = "git documentation";
  64our $logo_url = "http://git.or.cz/";
  65our $logo_label = "git homepage";
  66
  67# source of projects list
  68our $projects_list = "++GITWEB_LIST++";
  69
  70# show repository only if this file exists
  71# (only effective if this variable evaluates to true)
  72our $export_ok = "++GITWEB_EXPORT_OK++";
  73
  74# only allow viewing of repositories also shown on the overview page
  75our $strict_export = "++GITWEB_STRICT_EXPORT++";
  76
  77# list of git base URLs used for URL to where fetch project from,
  78# i.e. full URL is "$git_base_url/$project"
  79our @git_base_url_list = grep { $_ ne '' } ("++GITWEB_BASE_URL++");
  80
  81# default blob_plain mimetype and default charset for text/plain blob
  82our $default_blob_plain_mimetype = 'text/plain';
  83our $default_text_plain_charset  = undef;
  84
  85# file to use for guessing MIME types before trying /etc/mime.types
  86# (relative to the current git repository)
  87our $mimetypes_file = undef;
  88
  89# You define site-wide feature defaults here; override them with
  90# $GITWEB_CONFIG as necessary.
  91our %feature = (
  92        # feature => {
  93        #       'sub' => feature-sub (subroutine),
  94        #       'override' => allow-override (boolean),
  95        #       'default' => [ default options...] (array reference)}
  96        #
  97        # if feature is overridable (it means that allow-override has true value,
  98        # then feature-sub will be called with default options as parameters;
  99        # return value of feature-sub indicates if to enable specified feature
 100        #
 101        # use gitweb_check_feature(<feature>) to check if <feature> is enabled
 102
 103        # Enable the 'blame' blob view, showing the last commit that modified
 104        # each line in the file. This can be very CPU-intensive.
 105
 106        # To enable system wide have in $GITWEB_CONFIG
 107        # $feature{'blame'}{'default'} = [1];
 108        # To have project specific config enable override in $GITWEB_CONFIG
 109        # $feature{'blame'}{'override'} = 1;
 110        # and in project config gitweb.blame = 0|1;
 111        'blame' => {
 112                'sub' => \&feature_blame,
 113                'override' => 0,
 114                'default' => [0]},
 115
 116        # Enable the 'snapshot' link, providing a compressed tarball of any
 117        # tree. This can potentially generate high traffic if you have large
 118        # project.
 119
 120        # To disable system wide have in $GITWEB_CONFIG
 121        # $feature{'snapshot'}{'default'} = [undef];
 122        # To have project specific config enable override in $GITWEB_CONFIG
 123        # $feature{'blame'}{'override'} = 1;
 124        # and in project config gitweb.snapshot = none|gzip|bzip2;
 125        'snapshot' => {
 126                'sub' => \&feature_snapshot,
 127                'override' => 0,
 128                #         => [content-encoding, suffix, program]
 129                'default' => ['x-gzip', 'gz', 'gzip']},
 130
 131        # Enable the pickaxe search, which will list the commits that modified
 132        # a given string in a file. This can be practical and quite faster
 133        # alternative to 'blame', but still potentially CPU-intensive.
 134
 135        # To enable system wide have in $GITWEB_CONFIG
 136        # $feature{'pickaxe'}{'default'} = [1];
 137        # To have project specific config enable override in $GITWEB_CONFIG
 138        # $feature{'pickaxe'}{'override'} = 1;
 139        # and in project config gitweb.pickaxe = 0|1;
 140        'pickaxe' => {
 141                'sub' => \&feature_pickaxe,
 142                'override' => 0,
 143                'default' => [1]},
 144
 145        # Make gitweb use an alternative format of the URLs which can be
 146        # more readable and natural-looking: project name is embedded
 147        # directly in the path and the query string contains other
 148        # auxiliary information. All gitweb installations recognize
 149        # URL in either format; this configures in which formats gitweb
 150        # generates links.
 151
 152        # To enable system wide have in $GITWEB_CONFIG
 153        # $feature{'pathinfo'}{'default'} = [1];
 154        # Project specific override is not supported.
 155
 156        # Note that you will need to change the default location of CSS,
 157        # favicon, logo and possibly other files to an absolute URL. Also,
 158        # if gitweb.cgi serves as your indexfile, you will need to force
 159        # $my_uri to contain the script name in your $GITWEB_CONFIG.
 160        'pathinfo' => {
 161                'override' => 0,
 162                'default' => [0]},
 163);
 164
 165sub gitweb_check_feature {
 166        my ($name) = @_;
 167        return unless exists $feature{$name};
 168        my ($sub, $override, @defaults) = (
 169                $feature{$name}{'sub'},
 170                $feature{$name}{'override'},
 171                @{$feature{$name}{'default'}});
 172        if (!$override) { return @defaults; }
 173        if (!defined $sub) {
 174                warn "feature $name is not overrideable";
 175                return @defaults;
 176        }
 177        return $sub->(@defaults);
 178}
 179
 180sub feature_blame {
 181        my ($val) = git_get_project_config('blame', '--bool');
 182
 183        if ($val eq 'true') {
 184                return 1;
 185        } elsif ($val eq 'false') {
 186                return 0;
 187        }
 188
 189        return $_[0];
 190}
 191
 192sub feature_snapshot {
 193        my ($ctype, $suffix, $command) = @_;
 194
 195        my ($val) = git_get_project_config('snapshot');
 196
 197        if ($val eq 'gzip') {
 198                return ('x-gzip', 'gz', 'gzip');
 199        } elsif ($val eq 'bzip2') {
 200                return ('x-bzip2', 'bz2', 'bzip2');
 201        } elsif ($val eq 'none') {
 202                return ();
 203        }
 204
 205        return ($ctype, $suffix, $command);
 206}
 207
 208sub gitweb_have_snapshot {
 209        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
 210        my $have_snapshot = (defined $ctype && defined $suffix);
 211
 212        return $have_snapshot;
 213}
 214
 215sub feature_pickaxe {
 216        my ($val) = git_get_project_config('pickaxe', '--bool');
 217
 218        if ($val eq 'true') {
 219                return (1);
 220        } elsif ($val eq 'false') {
 221                return (0);
 222        }
 223
 224        return ($_[0]);
 225}
 226
 227# checking HEAD file with -e is fragile if the repository was
 228# initialized long time ago (i.e. symlink HEAD) and was pack-ref'ed
 229# and then pruned.
 230sub check_head_link {
 231        my ($dir) = @_;
 232        my $headfile = "$dir/HEAD";
 233        return ((-e $headfile) ||
 234                (-l $headfile && readlink($headfile) =~ /^refs\/heads\//));
 235}
 236
 237sub check_export_ok {
 238        my ($dir) = @_;
 239        return (check_head_link($dir) &&
 240                (!$export_ok || -e "$dir/$export_ok"));
 241}
 242
 243# rename detection options for git-diff and git-diff-tree
 244# - default is '-M', with the cost proportional to
 245#   (number of removed files) * (number of new files).
 246# - more costly is '-C' (or '-C', '-M'), with the cost proportional to
 247#   (number of changed files + number of removed files) * (number of new files)
 248# - even more costly is '-C', '--find-copies-harder' with cost
 249#   (number of files in the original tree) * (number of new files)
 250# - one might want to include '-B' option, e.g. '-B', '-M'
 251our @diff_opts = ('-M'); # taken from git_commit
 252
 253our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
 254do $GITWEB_CONFIG if -e $GITWEB_CONFIG;
 255
 256# version of the core git binary
 257our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
 258
 259$projects_list ||= $projectroot;
 260
 261# ======================================================================
 262# input validation and dispatch
 263our $action = $cgi->param('a');
 264if (defined $action) {
 265        if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
 266                die_error(undef, "Invalid action parameter");
 267        }
 268}
 269
 270# parameters which are pathnames
 271our $project = $cgi->param('p');
 272if (defined $project) {
 273        if (!validate_pathname($project) ||
 274            !(-d "$projectroot/$project") ||
 275            !check_head_link("$projectroot/$project") ||
 276            ($export_ok && !(-e "$projectroot/$project/$export_ok")) ||
 277            ($strict_export && !project_in_list($project))) {
 278                undef $project;
 279                die_error(undef, "No such project");
 280        }
 281}
 282
 283our $file_name = $cgi->param('f');
 284if (defined $file_name) {
 285        if (!validate_pathname($file_name)) {
 286                die_error(undef, "Invalid file parameter");
 287        }
 288}
 289
 290our $file_parent = $cgi->param('fp');
 291if (defined $file_parent) {
 292        if (!validate_pathname($file_parent)) {
 293                die_error(undef, "Invalid file parent parameter");
 294        }
 295}
 296
 297# parameters which are refnames
 298our $hash = $cgi->param('h');
 299if (defined $hash) {
 300        if (!validate_refname($hash)) {
 301                die_error(undef, "Invalid hash parameter");
 302        }
 303}
 304
 305our $hash_parent = $cgi->param('hp');
 306if (defined $hash_parent) {
 307        if (!validate_refname($hash_parent)) {
 308                die_error(undef, "Invalid hash parent parameter");
 309        }
 310}
 311
 312our $hash_base = $cgi->param('hb');
 313if (defined $hash_base) {
 314        if (!validate_refname($hash_base)) {
 315                die_error(undef, "Invalid hash base parameter");
 316        }
 317}
 318
 319our $hash_parent_base = $cgi->param('hpb');
 320if (defined $hash_parent_base) {
 321        if (!validate_refname($hash_parent_base)) {
 322                die_error(undef, "Invalid hash parent base parameter");
 323        }
 324}
 325
 326# other parameters
 327our $page = $cgi->param('pg');
 328if (defined $page) {
 329        if ($page =~ m/[^0-9]/) {
 330                die_error(undef, "Invalid page parameter");
 331        }
 332}
 333
 334our $searchtext = $cgi->param('s');
 335if (defined $searchtext) {
 336        if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 337                die_error(undef, "Invalid search parameter");
 338        }
 339        $searchtext = quotemeta $searchtext;
 340}
 341
 342our $searchtype = $cgi->param('st');
 343if (defined $searchtype) {
 344        if ($searchtype =~ m/[^a-z]/) {
 345                die_error(undef, "Invalid searchtype parameter");
 346        }
 347}
 348
 349# now read PATH_INFO and use it as alternative to parameters
 350sub evaluate_path_info {
 351        return if defined $project;
 352        my $path_info = $ENV{"PATH_INFO"};
 353        return if !$path_info;
 354        $path_info =~ s,^/+,,;
 355        return if !$path_info;
 356        # find which part of PATH_INFO is project
 357        $project = $path_info;
 358        $project =~ s,/+$,,;
 359        while ($project && !check_head_link("$projectroot/$project")) {
 360                $project =~ s,/*[^/]*$,,;
 361        }
 362        # validate project
 363        $project = validate_pathname($project);
 364        if (!$project ||
 365            ($export_ok && !-e "$projectroot/$project/$export_ok") ||
 366            ($strict_export && !project_in_list($project))) {
 367                undef $project;
 368                return;
 369        }
 370        # do not change any parameters if an action is given using the query string
 371        return if $action;
 372        $path_info =~ s,^$project/*,,;
 373        my ($refname, $pathname) = split(/:/, $path_info, 2);
 374        if (defined $pathname) {
 375                # we got "project.git/branch:filename" or "project.git/branch:dir/"
 376                # we could use git_get_type(branch:pathname), but it needs $git_dir
 377                $pathname =~ s,^/+,,;
 378                if (!$pathname || substr($pathname, -1) eq "/") {
 379                        $action  ||= "tree";
 380                        $pathname =~ s,/$,,;
 381                } else {
 382                        $action  ||= "blob_plain";
 383                }
 384                $hash_base ||= validate_refname($refname);
 385                $file_name ||= validate_pathname($pathname);
 386        } elsif (defined $refname) {
 387                # we got "project.git/branch"
 388                $action ||= "shortlog";
 389                $hash   ||= validate_refname($refname);
 390        }
 391}
 392evaluate_path_info();
 393
 394# path to the current git repository
 395our $git_dir;
 396$git_dir = "$projectroot/$project" if $project;
 397
 398# dispatch
 399my %actions = (
 400        "blame" => \&git_blame2,
 401        "blobdiff" => \&git_blobdiff,
 402        "blobdiff_plain" => \&git_blobdiff_plain,
 403        "blob" => \&git_blob,
 404        "blob_plain" => \&git_blob_plain,
 405        "commitdiff" => \&git_commitdiff,
 406        "commitdiff_plain" => \&git_commitdiff_plain,
 407        "commit" => \&git_commit,
 408        "heads" => \&git_heads,
 409        "history" => \&git_history,
 410        "log" => \&git_log,
 411        "rss" => \&git_rss,
 412        "search" => \&git_search,
 413        "search_help" => \&git_search_help,
 414        "shortlog" => \&git_shortlog,
 415        "summary" => \&git_summary,
 416        "tag" => \&git_tag,
 417        "tags" => \&git_tags,
 418        "tree" => \&git_tree,
 419        "snapshot" => \&git_snapshot,
 420        # those below don't need $project
 421        "opml" => \&git_opml,
 422        "project_list" => \&git_project_list,
 423        "project_index" => \&git_project_index,
 424);
 425
 426if (defined $project) {
 427        $action ||= 'summary';
 428} else {
 429        $action ||= 'project_list';
 430}
 431if (!defined($actions{$action})) {
 432        die_error(undef, "Unknown action");
 433}
 434if ($action !~ m/^(opml|project_list|project_index)$/ &&
 435    !$project) {
 436        die_error(undef, "Project needed");
 437}
 438$actions{$action}->();
 439exit;
 440
 441## ======================================================================
 442## action links
 443
 444sub href(%) {
 445        my %params = @_;
 446        my $href = $my_uri;
 447
 448        # XXX: Warning: If you touch this, check the search form for updating,
 449        # too.
 450
 451        my @mapping = (
 452                project => "p",
 453                action => "a",
 454                file_name => "f",
 455                file_parent => "fp",
 456                hash => "h",
 457                hash_parent => "hp",
 458                hash_base => "hb",
 459                hash_parent_base => "hpb",
 460                page => "pg",
 461                order => "o",
 462                searchtext => "s",
 463                searchtype => "st",
 464        );
 465        my %mapping = @mapping;
 466
 467        $params{'project'} = $project unless exists $params{'project'};
 468
 469        my ($use_pathinfo) = gitweb_check_feature('pathinfo');
 470        if ($use_pathinfo) {
 471                # use PATH_INFO for project name
 472                $href .= "/$params{'project'}" if defined $params{'project'};
 473                delete $params{'project'};
 474
 475                # Summary just uses the project path URL
 476                if (defined $params{'action'} && $params{'action'} eq 'summary') {
 477                        delete $params{'action'};
 478                }
 479        }
 480
 481        # now encode the parameters explicitly
 482        my @result = ();
 483        for (my $i = 0; $i < @mapping; $i += 2) {
 484                my ($name, $symbol) = ($mapping[$i], $mapping[$i+1]);
 485                if (defined $params{$name}) {
 486                        push @result, $symbol . "=" . esc_param($params{$name});
 487                }
 488        }
 489        $href .= "?" . join(';', @result) if scalar @result;
 490
 491        return $href;
 492}
 493
 494
 495## ======================================================================
 496## validation, quoting/unquoting and escaping
 497
 498sub validate_pathname {
 499        my $input = shift || return undef;
 500
 501        # no '.' or '..' as elements of path, i.e. no '.' nor '..'
 502        # at the beginning, at the end, and between slashes.
 503        # also this catches doubled slashes
 504        if ($input =~ m!(^|/)(|\.|\.\.)(/|$)!) {
 505                return undef;
 506        }
 507        # no null characters
 508        if ($input =~ m!\0!) {
 509                return undef;
 510        }
 511        return $input;
 512}
 513
 514sub validate_refname {
 515        my $input = shift || return undef;
 516
 517        # textual hashes are O.K.
 518        if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 519                return $input;
 520        }
 521        # it must be correct pathname
 522        $input = validate_pathname($input)
 523                or return undef;
 524        # restrictions on ref name according to git-check-ref-format
 525        if ($input =~ m!(/\.|\.\.|[\000-\040\177 ~^:?*\[]|/$)!) {
 526                return undef;
 527        }
 528        return $input;
 529}
 530
 531# very thin wrapper for decode("utf8", $str, Encode::FB_DEFAULT);
 532sub to_utf8 {
 533        my $str = shift;
 534        return decode("utf8", $str, Encode::FB_DEFAULT);
 535}
 536
 537# quote unsafe chars, but keep the slash, even when it's not
 538# correct, but quoted slashes look too horrible in bookmarks
 539sub esc_param {
 540        my $str = shift;
 541        $str =~ s/([^A-Za-z0-9\-_.~()\/:@])/sprintf("%%%02X", ord($1))/eg;
 542        $str =~ s/\+/%2B/g;
 543        $str =~ s/ /\+/g;
 544        return $str;
 545}
 546
 547# quote unsafe chars in whole URL, so some charactrs cannot be quoted
 548sub esc_url {
 549        my $str = shift;
 550        $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 551        $str =~ s/\+/%2B/g;
 552        $str =~ s/ /\+/g;
 553        return $str;
 554}
 555
 556# replace invalid utf8 character with SUBSTITUTION sequence
 557sub esc_html {
 558        my $str = shift;
 559        $str = to_utf8($str);
 560        $str = escapeHTML($str);
 561        $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
 562        $str =~ s/\033/^[/g; # "escape" ESCAPE (\e) character (e.g. commit 20a3847d8a5032ce41f90dcc68abfb36e6fee9b1)
 563        return $str;
 564}
 565
 566# git may return quoted and escaped filenames
 567sub unquote {
 568        my $str = shift;
 569        if ($str =~ m/^"(.*)"$/) {
 570                $str = $1;
 571                $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 572        }
 573        return $str;
 574}
 575
 576# escape tabs (convert tabs to spaces)
 577sub untabify {
 578        my $line = shift;
 579
 580        while ((my $pos = index($line, "\t")) != -1) {
 581                if (my $count = (8 - ($pos % 8))) {
 582                        my $spaces = ' ' x $count;
 583                        $line =~ s/\t/$spaces/;
 584                }
 585        }
 586
 587        return $line;
 588}
 589
 590sub project_in_list {
 591        my $project = shift;
 592        my @list = git_get_projects_list();
 593        return @list && scalar(grep { $_->{'path'} eq $project } @list);
 594}
 595
 596## ----------------------------------------------------------------------
 597## HTML aware string manipulation
 598
 599sub chop_str {
 600        my $str = shift;
 601        my $len = shift;
 602        my $add_len = shift || 10;
 603
 604        # allow only $len chars, but don't cut a word if it would fit in $add_len
 605        # if it doesn't fit, cut it if it's still longer than the dots we would add
 606        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 607        my $body = $1;
 608        my $tail = $2;
 609        if (length($tail) > 4) {
 610                $tail = " ...";
 611                $body =~ s/&[^;]*$//; # remove chopped character entities
 612        }
 613        return "$body$tail";
 614}
 615
 616## ----------------------------------------------------------------------
 617## functions returning short strings
 618
 619# CSS class for given age value (in seconds)
 620sub age_class {
 621        my $age = shift;
 622
 623        if ($age < 60*60*2) {
 624                return "age0";
 625        } elsif ($age < 60*60*24*2) {
 626                return "age1";
 627        } else {
 628                return "age2";
 629        }
 630}
 631
 632# convert age in seconds to "nn units ago" string
 633sub age_string {
 634        my $age = shift;
 635        my $age_str;
 636
 637        if ($age > 60*60*24*365*2) {
 638                $age_str = (int $age/60/60/24/365);
 639                $age_str .= " years ago";
 640        } elsif ($age > 60*60*24*(365/12)*2) {
 641                $age_str = int $age/60/60/24/(365/12);
 642                $age_str .= " months ago";
 643        } elsif ($age > 60*60*24*7*2) {
 644                $age_str = int $age/60/60/24/7;
 645                $age_str .= " weeks ago";
 646        } elsif ($age > 60*60*24*2) {
 647                $age_str = int $age/60/60/24;
 648                $age_str .= " days ago";
 649        } elsif ($age > 60*60*2) {
 650                $age_str = int $age/60/60;
 651                $age_str .= " hours ago";
 652        } elsif ($age > 60*2) {
 653                $age_str = int $age/60;
 654                $age_str .= " min ago";
 655        } elsif ($age > 2) {
 656                $age_str = int $age;
 657                $age_str .= " sec ago";
 658        } else {
 659                $age_str .= " right now";
 660        }
 661        return $age_str;
 662}
 663
 664# convert file mode in octal to symbolic file mode string
 665sub mode_str {
 666        my $mode = oct shift;
 667
 668        if (S_ISDIR($mode & S_IFMT)) {
 669                return 'drwxr-xr-x';
 670        } elsif (S_ISLNK($mode)) {
 671                return 'lrwxrwxrwx';
 672        } elsif (S_ISREG($mode)) {
 673                # git cares only about the executable bit
 674                if ($mode & S_IXUSR) {
 675                        return '-rwxr-xr-x';
 676                } else {
 677                        return '-rw-r--r--';
 678                };
 679        } else {
 680                return '----------';
 681        }
 682}
 683
 684# convert file mode in octal to file type string
 685sub file_type {
 686        my $mode = shift;
 687
 688        if ($mode !~ m/^[0-7]+$/) {
 689                return $mode;
 690        } else {
 691                $mode = oct $mode;
 692        }
 693
 694        if (S_ISDIR($mode & S_IFMT)) {
 695                return "directory";
 696        } elsif (S_ISLNK($mode)) {
 697                return "symlink";
 698        } elsif (S_ISREG($mode)) {
 699                return "file";
 700        } else {
 701                return "unknown";
 702        }
 703}
 704
 705## ----------------------------------------------------------------------
 706## functions returning short HTML fragments, or transforming HTML fragments
 707## which don't beling to other sections
 708
 709# format line of commit message or tag comment
 710sub format_log_line_html {
 711        my $line = shift;
 712
 713        $line = esc_html($line);
 714        $line =~ s/ /&nbsp;/g;
 715        if ($line =~ m/([0-9a-fA-F]{40})/) {
 716                my $hash_text = $1;
 717                if (git_get_type($hash_text) eq "commit") {
 718                        my $link =
 719                                $cgi->a({-href => href(action=>"commit", hash=>$hash_text),
 720                                        -class => "text"}, $hash_text);
 721                        $line =~ s/$hash_text/$link/;
 722                }
 723        }
 724        return $line;
 725}
 726
 727# format marker of refs pointing to given object
 728sub format_ref_marker {
 729        my ($refs, $id) = @_;
 730        my $markers = '';
 731
 732        if (defined $refs->{$id}) {
 733                foreach my $ref (@{$refs->{$id}}) {
 734                        my ($type, $name) = qw();
 735                        # e.g. tags/v2.6.11 or heads/next
 736                        if ($ref =~ m!^(.*?)s?/(.*)$!) {
 737                                $type = $1;
 738                                $name = $2;
 739                        } else {
 740                                $type = "ref";
 741                                $name = $ref;
 742                        }
 743
 744                        $markers .= " <span class=\"$type\">" . esc_html($name) . "</span>";
 745                }
 746        }
 747
 748        if ($markers) {
 749                return ' <span class="refs">'. $markers . '</span>';
 750        } else {
 751                return "";
 752        }
 753}
 754
 755# format, perhaps shortened and with markers, title line
 756sub format_subject_html {
 757        my ($long, $short, $href, $extra) = @_;
 758        $extra = '' unless defined($extra);
 759
 760        if (length($short) < length($long)) {
 761                return $cgi->a({-href => $href, -class => "list subject",
 762                                -title => to_utf8($long)},
 763                       esc_html($short) . $extra);
 764        } else {
 765                return $cgi->a({-href => $href, -class => "list subject"},
 766                       esc_html($long)  . $extra);
 767        }
 768}
 769
 770sub format_diff_line {
 771        my $line = shift;
 772        my $char = substr($line, 0, 1);
 773        my $diff_class = "";
 774
 775        chomp $line;
 776
 777        if ($char eq '+') {
 778                $diff_class = " add";
 779        } elsif ($char eq "-") {
 780                $diff_class = " rem";
 781        } elsif ($char eq "@") {
 782                $diff_class = " chunk_header";
 783        } elsif ($char eq "\\") {
 784                $diff_class = " incomplete";
 785        }
 786        $line = untabify($line);
 787        return "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
 788}
 789
 790## ----------------------------------------------------------------------
 791## git utility subroutines, invoking git commands
 792
 793# returns path to the core git executable and the --git-dir parameter as list
 794sub git_cmd {
 795        return $GIT, '--git-dir='.$git_dir;
 796}
 797
 798# returns path to the core git executable and the --git-dir parameter as string
 799sub git_cmd_str {
 800        return join(' ', git_cmd());
 801}
 802
 803# get HEAD ref of given project as hash
 804sub git_get_head_hash {
 805        my $project = shift;
 806        my $o_git_dir = $git_dir;
 807        my $retval = undef;
 808        $git_dir = "$projectroot/$project";
 809        if (open my $fd, "-|", git_cmd(), "rev-parse", "--verify", "HEAD") {
 810                my $head = <$fd>;
 811                close $fd;
 812                if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 813                        $retval = $1;
 814                }
 815        }
 816        if (defined $o_git_dir) {
 817                $git_dir = $o_git_dir;
 818        }
 819        return $retval;
 820}
 821
 822# get type of given object
 823sub git_get_type {
 824        my $hash = shift;
 825
 826        open my $fd, "-|", git_cmd(), "cat-file", '-t', $hash or return;
 827        my $type = <$fd>;
 828        close $fd or return;
 829        chomp $type;
 830        return $type;
 831}
 832
 833sub git_get_project_config {
 834        my ($key, $type) = @_;
 835
 836        return unless ($key);
 837        $key =~ s/^gitweb\.//;
 838        return if ($key =~ m/\W/);
 839
 840        my @x = (git_cmd(), 'repo-config');
 841        if (defined $type) { push @x, $type; }
 842        push @x, "--get";
 843        push @x, "gitweb.$key";
 844        my $val = qx(@x);
 845        chomp $val;
 846        return ($val);
 847}
 848
 849# get hash of given path at given ref
 850sub git_get_hash_by_path {
 851        my $base = shift;
 852        my $path = shift || return undef;
 853        my $type = shift;
 854
 855        $path =~ s,/+$,,;
 856
 857        open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path
 858                or die_error(undef, "Open git-ls-tree failed");
 859        my $line = <$fd>;
 860        close $fd or return undef;
 861
 862        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
 863        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t/;
 864        if (defined $type && $type ne $2) {
 865                # type doesn't match
 866                return undef;
 867        }
 868        return $3;
 869}
 870
 871## ......................................................................
 872## git utility functions, directly accessing git repository
 873
 874sub git_get_project_description {
 875        my $path = shift;
 876
 877        open my $fd, "$projectroot/$path/description" or return undef;
 878        my $descr = <$fd>;
 879        close $fd;
 880        chomp $descr;
 881        return $descr;
 882}
 883
 884sub git_get_project_url_list {
 885        my $path = shift;
 886
 887        open my $fd, "$projectroot/$path/cloneurl" or return;
 888        my @git_project_url_list = map { chomp; $_ } <$fd>;
 889        close $fd;
 890
 891        return wantarray ? @git_project_url_list : \@git_project_url_list;
 892}
 893
 894sub git_get_projects_list {
 895        my @list;
 896
 897        if (-d $projects_list) {
 898                # search in directory
 899                my $dir = $projects_list;
 900                my $pfxlen = length("$dir");
 901
 902                File::Find::find({
 903                        follow_fast => 1, # follow symbolic links
 904                        dangling_symlinks => 0, # ignore dangling symlinks, silently
 905                        wanted => sub {
 906                                # skip project-list toplevel, if we get it.
 907                                return if (m!^[/.]$!);
 908                                # only directories can be git repositories
 909                                return unless (-d $_);
 910
 911                                my $subdir = substr($File::Find::name, $pfxlen + 1);
 912                                # we check related file in $projectroot
 913                                if (check_export_ok("$projectroot/$subdir")) {
 914                                        push @list, { path => $subdir };
 915                                        $File::Find::prune = 1;
 916                                }
 917                        },
 918                }, "$dir");
 919
 920        } elsif (-f $projects_list) {
 921                # read from file(url-encoded):
 922                # 'git%2Fgit.git Linus+Torvalds'
 923                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 924                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 925                open my ($fd), $projects_list or return;
 926                while (my $line = <$fd>) {
 927                        chomp $line;
 928                        my ($path, $owner) = split ' ', $line;
 929                        $path = unescape($path);
 930                        $owner = unescape($owner);
 931                        if (!defined $path) {
 932                                next;
 933                        }
 934                        if (check_export_ok("$projectroot/$path")) {
 935                                my $pr = {
 936                                        path => $path,
 937                                        owner => to_utf8($owner),
 938                                };
 939                                push @list, $pr
 940                        }
 941                }
 942                close $fd;
 943        }
 944        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 945        return @list;
 946}
 947
 948sub git_get_project_owner {
 949        my $project = shift;
 950        my $owner;
 951
 952        return undef unless $project;
 953
 954        # read from file (url-encoded):
 955        # 'git%2Fgit.git Linus+Torvalds'
 956        # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 957        # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 958        if (-f $projects_list) {
 959                open (my $fd , $projects_list);
 960                while (my $line = <$fd>) {
 961                        chomp $line;
 962                        my ($pr, $ow) = split ' ', $line;
 963                        $pr = unescape($pr);
 964                        $ow = unescape($ow);
 965                        if ($pr eq $project) {
 966                                $owner = to_utf8($ow);
 967                                last;
 968                        }
 969                }
 970                close $fd;
 971        }
 972        if (!defined $owner) {
 973                $owner = get_file_owner("$projectroot/$project");
 974        }
 975
 976        return $owner;
 977}
 978
 979sub git_get_last_activity {
 980        my ($path) = @_;
 981        my $fd;
 982
 983        $git_dir = "$projectroot/$path";
 984        open($fd, "-|", git_cmd(), 'for-each-ref',
 985             '--format=%(refname) %(committer)',
 986             '--sort=-committerdate',
 987             'refs/heads') or return;
 988        my $most_recent = <$fd>;
 989        close $fd or return;
 990        if ($most_recent =~ / (\d+) [-+][01]\d\d\d$/) {
 991                my $timestamp = $1;
 992                my $age = time - $timestamp;
 993                return ($age, age_string($age));
 994        }
 995}
 996
 997sub git_get_references {
 998        my $type = shift || "";
 999        my %refs;
1000        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
1001        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
1002        open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/"
1003                or return;
1004
1005        while (my $line = <$fd>) {
1006                chomp $line;
1007                if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?[^\^]+)/) {
1008                        if (defined $refs{$1}) {
1009                                push @{$refs{$1}}, $2;
1010                        } else {
1011                                $refs{$1} = [ $2 ];
1012                        }
1013                }
1014        }
1015        close $fd or return;
1016        return \%refs;
1017}
1018
1019sub git_get_rev_name_tags {
1020        my $hash = shift || return undef;
1021
1022        open my $fd, "-|", git_cmd(), "name-rev", "--tags", $hash
1023                or return;
1024        my $name_rev = <$fd>;
1025        close $fd;
1026
1027        if ($name_rev =~ m|^$hash tags/(.*)$|) {
1028                return $1;
1029        } else {
1030                # catches also '$hash undefined' output
1031                return undef;
1032        }
1033}
1034
1035## ----------------------------------------------------------------------
1036## parse to hash functions
1037
1038sub parse_date {
1039        my $epoch = shift;
1040        my $tz = shift || "-0000";
1041
1042        my %date;
1043        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
1044        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
1045        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
1046        $date{'hour'} = $hour;
1047        $date{'minute'} = $min;
1048        $date{'mday'} = $mday;
1049        $date{'day'} = $days[$wday];
1050        $date{'month'} = $months[$mon];
1051        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000",
1052                           $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
1053        $date{'mday-time'} = sprintf "%d %s %02d:%02d",
1054                             $mday, $months[$mon], $hour ,$min;
1055
1056        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
1057        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
1058        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
1059        $date{'hour_local'} = $hour;
1060        $date{'minute_local'} = $min;
1061        $date{'tz_local'} = $tz;
1062        $date{'iso-tz'} = sprintf ("%04d-%02d-%02d %02d:%02d:%02d %s",
1063                                   1900+$year, $mon+1, $mday,
1064                                   $hour, $min, $sec, $tz);
1065        return %date;
1066}
1067
1068sub parse_tag {
1069        my $tag_id = shift;
1070        my %tag;
1071        my @comment;
1072
1073        open my $fd, "-|", git_cmd(), "cat-file", "tag", $tag_id or return;
1074        $tag{'id'} = $tag_id;
1075        while (my $line = <$fd>) {
1076                chomp $line;
1077                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
1078                        $tag{'object'} = $1;
1079                } elsif ($line =~ m/^type (.+)$/) {
1080                        $tag{'type'} = $1;
1081                } elsif ($line =~ m/^tag (.+)$/) {
1082                        $tag{'name'} = $1;
1083                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
1084                        $tag{'author'} = $1;
1085                        $tag{'epoch'} = $2;
1086                        $tag{'tz'} = $3;
1087                } elsif ($line =~ m/--BEGIN/) {
1088                        push @comment, $line;
1089                        last;
1090                } elsif ($line eq "") {
1091                        last;
1092                }
1093        }
1094        push @comment, <$fd>;
1095        $tag{'comment'} = \@comment;
1096        close $fd or return;
1097        if (!defined $tag{'name'}) {
1098                return
1099        };
1100        return %tag
1101}
1102
1103sub parse_commit {
1104        my $commit_id = shift;
1105        my $commit_text = shift;
1106
1107        my @commit_lines;
1108        my %co;
1109
1110        if (defined $commit_text) {
1111                @commit_lines = @$commit_text;
1112        } else {
1113                local $/ = "\0";
1114                open my $fd, "-|", git_cmd(), "rev-list",
1115                        "--header", "--parents", "--max-count=1",
1116                        $commit_id, "--"
1117                        or return;
1118                @commit_lines = split '\n', <$fd>;
1119                close $fd or return;
1120                pop @commit_lines;
1121        }
1122        my $header = shift @commit_lines;
1123        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
1124                return;
1125        }
1126        ($co{'id'}, my @parents) = split ' ', $header;
1127        $co{'parents'} = \@parents;
1128        $co{'parent'} = $parents[0];
1129        while (my $line = shift @commit_lines) {
1130                last if $line eq "\n";
1131                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
1132                        $co{'tree'} = $1;
1133                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
1134                        $co{'author'} = $1;
1135                        $co{'author_epoch'} = $2;
1136                        $co{'author_tz'} = $3;
1137                        if ($co{'author'} =~ m/^([^<]+) </) {
1138                                $co{'author_name'} = $1;
1139                        } else {
1140                                $co{'author_name'} = $co{'author'};
1141                        }
1142                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
1143                        $co{'committer'} = $1;
1144                        $co{'committer_epoch'} = $2;
1145                        $co{'committer_tz'} = $3;
1146                        $co{'committer_name'} = $co{'committer'};
1147                        $co{'committer_name'} =~ s/ <.*//;
1148                }
1149        }
1150        if (!defined $co{'tree'}) {
1151                return;
1152        };
1153
1154        foreach my $title (@commit_lines) {
1155                $title =~ s/^    //;
1156                if ($title ne "") {
1157                        $co{'title'} = chop_str($title, 80, 5);
1158                        # remove leading stuff of merges to make the interesting part visible
1159                        if (length($title) > 50) {
1160                                $title =~ s/^Automatic //;
1161                                $title =~ s/^merge (of|with) /Merge ... /i;
1162                                if (length($title) > 50) {
1163                                        $title =~ s/(http|rsync):\/\///;
1164                                }
1165                                if (length($title) > 50) {
1166                                        $title =~ s/(master|www|rsync)\.//;
1167                                }
1168                                if (length($title) > 50) {
1169                                        $title =~ s/kernel.org:?//;
1170                                }
1171                                if (length($title) > 50) {
1172                                        $title =~ s/\/pub\/scm//;
1173                                }
1174                        }
1175                        $co{'title_short'} = chop_str($title, 50, 5);
1176                        last;
1177                }
1178        }
1179        if ($co{'title'} eq "") {
1180                $co{'title'} = $co{'title_short'} = '(no commit message)';
1181        }
1182        # remove added spaces
1183        foreach my $line (@commit_lines) {
1184                $line =~ s/^    //;
1185        }
1186        $co{'comment'} = \@commit_lines;
1187
1188        my $age = time - $co{'committer_epoch'};
1189        $co{'age'} = $age;
1190        $co{'age_string'} = age_string($age);
1191        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
1192        if ($age > 60*60*24*7*2) {
1193                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
1194                $co{'age_string_age'} = $co{'age_string'};
1195        } else {
1196                $co{'age_string_date'} = $co{'age_string'};
1197                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
1198        }
1199        return %co;
1200}
1201
1202# parse ref from ref_file, given by ref_id, with given type
1203sub parse_ref {
1204        my $ref_file = shift;
1205        my $ref_id = shift;
1206        my $type = shift || git_get_type($ref_id);
1207        my %ref_item;
1208
1209        $ref_item{'type'} = $type;
1210        $ref_item{'id'} = $ref_id;
1211        $ref_item{'epoch'} = 0;
1212        $ref_item{'age'} = "unknown";
1213        if ($type eq "tag") {
1214                my %tag = parse_tag($ref_id);
1215                $ref_item{'comment'} = $tag{'comment'};
1216                if ($tag{'type'} eq "commit") {
1217                        my %co = parse_commit($tag{'object'});
1218                        $ref_item{'epoch'} = $co{'committer_epoch'};
1219                        $ref_item{'age'} = $co{'age_string'};
1220                } elsif (defined($tag{'epoch'})) {
1221                        my $age = time - $tag{'epoch'};
1222                        $ref_item{'epoch'} = $tag{'epoch'};
1223                        $ref_item{'age'} = age_string($age);
1224                }
1225                $ref_item{'reftype'} = $tag{'type'};
1226                $ref_item{'name'} = $tag{'name'};
1227                $ref_item{'refid'} = $tag{'object'};
1228        } elsif ($type eq "commit"){
1229                my %co = parse_commit($ref_id);
1230                $ref_item{'reftype'} = "commit";
1231                $ref_item{'name'} = $ref_file;
1232                $ref_item{'title'} = $co{'title'};
1233                $ref_item{'refid'} = $ref_id;
1234                $ref_item{'epoch'} = $co{'committer_epoch'};
1235                $ref_item{'age'} = $co{'age_string'};
1236        } else {
1237                $ref_item{'reftype'} = $type;
1238                $ref_item{'name'} = $ref_file;
1239                $ref_item{'refid'} = $ref_id;
1240        }
1241
1242        return %ref_item;
1243}
1244
1245# parse line of git-diff-tree "raw" output
1246sub parse_difftree_raw_line {
1247        my $line = shift;
1248        my %res;
1249
1250        # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M   ls-files.c'
1251        # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M   rev-tree.c'
1252        if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
1253                $res{'from_mode'} = $1;
1254                $res{'to_mode'} = $2;
1255                $res{'from_id'} = $3;
1256                $res{'to_id'} = $4;
1257                $res{'status'} = $5;
1258                $res{'similarity'} = $6;
1259                if ($res{'status'} eq 'R' || $res{'status'} eq 'C') { # renamed or copied
1260                        ($res{'from_file'}, $res{'to_file'}) = map { unquote($_) } split("\t", $7);
1261                } else {
1262                        $res{'file'} = unquote($7);
1263                }
1264        }
1265        # 'c512b523472485aef4fff9e57b229d9d243c967f'
1266        elsif ($line =~ m/^([0-9a-fA-F]{40})$/) {
1267                $res{'commit'} = $1;
1268        }
1269
1270        return wantarray ? %res : \%res;
1271}
1272
1273# parse line of git-ls-tree output
1274sub parse_ls_tree_line ($;%) {
1275        my $line = shift;
1276        my %opts = @_;
1277        my %res;
1278
1279        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
1280        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/s;
1281
1282        $res{'mode'} = $1;
1283        $res{'type'} = $2;
1284        $res{'hash'} = $3;
1285        if ($opts{'-z'}) {
1286                $res{'name'} = $4;
1287        } else {
1288                $res{'name'} = unquote($4);
1289        }
1290
1291        return wantarray ? %res : \%res;
1292}
1293
1294## ......................................................................
1295## parse to array of hashes functions
1296
1297sub git_get_refs_list {
1298        my $type = shift || "";
1299        my %refs;
1300        my @reflist;
1301
1302        my @refs;
1303        open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/"
1304                or return;
1305        while (my $line = <$fd>) {
1306                chomp $line;
1307                if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?([^\^]+))(\^\{\})?$/) {
1308                        if (defined $refs{$1}) {
1309                                push @{$refs{$1}}, $2;
1310                        } else {
1311                                $refs{$1} = [ $2 ];
1312                        }
1313
1314                        if (! $4) { # unpeeled, direct reference
1315                                push @refs, { hash => $1, name => $3 }; # without type
1316                        } elsif ($3 eq $refs[-1]{'name'}) {
1317                                # most likely a tag is followed by its peeled
1318                                # (deref) one, and when that happens we know the
1319                                # previous one was of type 'tag'.
1320                                $refs[-1]{'type'} = "tag";
1321                        }
1322                }
1323        }
1324        close $fd;
1325
1326        foreach my $ref (@refs) {
1327                my $ref_file = $ref->{'name'};
1328                my $ref_id   = $ref->{'hash'};
1329
1330                my $type = $ref->{'type'} || git_get_type($ref_id) || next;
1331                my %ref_item = parse_ref($ref_file, $ref_id, $type);
1332
1333                push @reflist, \%ref_item;
1334        }
1335        # sort refs by age
1336        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1337        return (\@reflist, \%refs);
1338}
1339
1340## ----------------------------------------------------------------------
1341## filesystem-related functions
1342
1343sub get_file_owner {
1344        my $path = shift;
1345
1346        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
1347        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
1348        if (!defined $gcos) {
1349                return undef;
1350        }
1351        my $owner = $gcos;
1352        $owner =~ s/[,;].*$//;
1353        return to_utf8($owner);
1354}
1355
1356## ......................................................................
1357## mimetype related functions
1358
1359sub mimetype_guess_file {
1360        my $filename = shift;
1361        my $mimemap = shift;
1362        -r $mimemap or return undef;
1363
1364        my %mimemap;
1365        open(MIME, $mimemap) or return undef;
1366        while (<MIME>) {
1367                next if m/^#/; # skip comments
1368                my ($mime, $exts) = split(/\t+/);
1369                if (defined $exts) {
1370                        my @exts = split(/\s+/, $exts);
1371                        foreach my $ext (@exts) {
1372                                $mimemap{$ext} = $mime;
1373                        }
1374                }
1375        }
1376        close(MIME);
1377
1378        $filename =~ /\.([^.]*)$/;
1379        return $mimemap{$1};
1380}
1381
1382sub mimetype_guess {
1383        my $filename = shift;
1384        my $mime;
1385        $filename =~ /\./ or return undef;
1386
1387        if ($mimetypes_file) {
1388                my $file = $mimetypes_file;
1389                if ($file !~ m!^/!) { # if it is relative path
1390                        # it is relative to project
1391                        $file = "$projectroot/$project/$file";
1392                }
1393                $mime = mimetype_guess_file($filename, $file);
1394        }
1395        $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1396        return $mime;
1397}
1398
1399sub blob_mimetype {
1400        my $fd = shift;
1401        my $filename = shift;
1402
1403        if ($filename) {
1404                my $mime = mimetype_guess($filename);
1405                $mime and return $mime;
1406        }
1407
1408        # just in case
1409        return $default_blob_plain_mimetype unless $fd;
1410
1411        if (-T $fd) {
1412                return 'text/plain' .
1413                       ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1414        } elsif (! $filename) {
1415                return 'application/octet-stream';
1416        } elsif ($filename =~ m/\.png$/i) {
1417                return 'image/png';
1418        } elsif ($filename =~ m/\.gif$/i) {
1419                return 'image/gif';
1420        } elsif ($filename =~ m/\.jpe?g$/i) {
1421                return 'image/jpeg';
1422        } else {
1423                return 'application/octet-stream';
1424        }
1425}
1426
1427## ======================================================================
1428## functions printing HTML: header, footer, error page
1429
1430sub git_header_html {
1431        my $status = shift || "200 OK";
1432        my $expires = shift;
1433
1434        my $title = "$site_name";
1435        if (defined $project) {
1436                $title .= " - $project";
1437                if (defined $action) {
1438                        $title .= "/$action";
1439                        if (defined $file_name) {
1440                                $title .= " - " . esc_html($file_name);
1441                                if ($action eq "tree" && $file_name !~ m|/$|) {
1442                                        $title .= "/";
1443                                }
1444                        }
1445                }
1446        }
1447        my $content_type;
1448        # require explicit support from the UA if we are to send the page as
1449        # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
1450        # we have to do this because MSIE sometimes globs '*/*', pretending to
1451        # support xhtml+xml but choking when it gets what it asked for.
1452        if (defined $cgi->http('HTTP_ACCEPT') &&
1453            $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ &&
1454            $cgi->Accept('application/xhtml+xml') != 0) {
1455                $content_type = 'application/xhtml+xml';
1456        } else {
1457                $content_type = 'text/html';
1458        }
1459        print $cgi->header(-type=>$content_type, -charset => 'utf-8',
1460                           -status=> $status, -expires => $expires);
1461        print <<EOF;
1462<?xml version="1.0" encoding="utf-8"?>
1463<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
1464<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
1465<!-- git web interface version $version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
1466<!-- git core binaries version $git_version -->
1467<head>
1468<meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
1469<meta name="generator" content="gitweb/$version git/$git_version"/>
1470<meta name="robots" content="index, nofollow"/>
1471<title>$title</title>
1472EOF
1473# print out each stylesheet that exist
1474        if (defined $stylesheet) {
1475#provides backwards capability for those people who define style sheet in a config file
1476                print '<link rel="stylesheet" type="text/css" href="'.$stylesheet.'"/>'."\n";
1477        } else {
1478                foreach my $stylesheet (@stylesheets) {
1479                        next unless $stylesheet;
1480                        print '<link rel="stylesheet" type="text/css" href="'.$stylesheet.'"/>'."\n";
1481                }
1482        }
1483        if (defined $project) {
1484                printf('<link rel="alternate" title="%s log" '.
1485                       'href="%s" type="application/rss+xml"/>'."\n",
1486                       esc_param($project), href(action=>"rss"));
1487        } else {
1488                printf('<link rel="alternate" title="%s projects list" '.
1489                       'href="%s" type="text/plain; charset=utf-8"/>'."\n",
1490                       $site_name, href(project=>undef, action=>"project_index"));
1491                printf('<link rel="alternate" title="%s projects logs" '.
1492                       'href="%s" type="text/x-opml"/>'."\n",
1493                       $site_name, href(project=>undef, action=>"opml"));
1494        }
1495        if (defined $favicon) {
1496                print qq(<link rel="shortcut icon" href="$favicon" type="image/png"/>\n);
1497        }
1498
1499        print "</head>\n" .
1500              "<body>\n";
1501
1502        if (-f $site_header) {
1503                open (my $fd, $site_header);
1504                print <$fd>;
1505                close $fd;
1506        }
1507
1508        print "<div class=\"page_header\">\n" .
1509              $cgi->a({-href => esc_url($logo_url),
1510                       -title => $logo_label},
1511                      qq(<img src="$logo" width="72" height="27" alt="git" class="logo"/>));
1512        print $cgi->a({-href => esc_url($home_link)}, $home_link_str) . " / ";
1513        if (defined $project) {
1514                print $cgi->a({-href => href(action=>"summary")}, esc_html($project));
1515                if (defined $action) {
1516                        print " / $action";
1517                }
1518                print "\n";
1519                if (!defined $searchtext) {
1520                        $searchtext = "";
1521                }
1522                my $search_hash;
1523                if (defined $hash_base) {
1524                        $search_hash = $hash_base;
1525                } elsif (defined $hash) {
1526                        $search_hash = $hash;
1527                } else {
1528                        $search_hash = "HEAD";
1529                }
1530                $cgi->param("a", "search");
1531                $cgi->param("h", $search_hash);
1532                $cgi->param("p", $project);
1533                print $cgi->startform(-method => "get", -action => $my_uri) .
1534                      "<div class=\"search\">\n" .
1535                      $cgi->hidden(-name => "p") . "\n" .
1536                      $cgi->hidden(-name => "a") . "\n" .
1537                      $cgi->hidden(-name => "h") . "\n" .
1538                      $cgi->popup_menu(-name => 'st', -default => 'commit',
1539                                       -values => ['commit', 'author', 'committer', 'pickaxe']) .
1540                      $cgi->sup($cgi->a({-href => href(action=>"search_help")}, "?")) .
1541                      " search:\n",
1542                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
1543                      "</div>" .
1544                      $cgi->end_form() . "\n";
1545        }
1546        print "</div>\n";
1547}
1548
1549sub git_footer_html {
1550        print "<div class=\"page_footer\">\n";
1551        if (defined $project) {
1552                my $descr = git_get_project_description($project);
1553                if (defined $descr) {
1554                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
1555                }
1556                print $cgi->a({-href => href(action=>"rss"),
1557                              -class => "rss_logo"}, "RSS") . "\n";
1558        } else {
1559                print $cgi->a({-href => href(project=>undef, action=>"opml"),
1560                              -class => "rss_logo"}, "OPML") . " ";
1561                print $cgi->a({-href => href(project=>undef, action=>"project_index"),
1562                              -class => "rss_logo"}, "TXT") . "\n";
1563        }
1564        print "</div>\n" ;
1565
1566        if (-f $site_footer) {
1567                open (my $fd, $site_footer);
1568                print <$fd>;
1569                close $fd;
1570        }
1571
1572        print "</body>\n" .
1573              "</html>";
1574}
1575
1576sub die_error {
1577        my $status = shift || "403 Forbidden";
1578        my $error = shift || "Malformed query, file missing or permission denied";
1579
1580        git_header_html($status);
1581        print <<EOF;
1582<div class="page_body">
1583<br /><br />
1584$status - $error
1585<br />
1586</div>
1587EOF
1588        git_footer_html();
1589        exit;
1590}
1591
1592## ----------------------------------------------------------------------
1593## functions printing or outputting HTML: navigation
1594
1595sub git_print_page_nav {
1596        my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
1597        $extra = '' if !defined $extra; # pager or formats
1598
1599        my @navs = qw(summary shortlog log commit commitdiff tree);
1600        if ($suppress) {
1601                @navs = grep { $_ ne $suppress } @navs;
1602        }
1603
1604        my %arg = map { $_ => {action=>$_} } @navs;
1605        if (defined $head) {
1606                for (qw(commit commitdiff)) {
1607                        $arg{$_}{hash} = $head;
1608                }
1609                if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
1610                        for (qw(shortlog log)) {
1611                                $arg{$_}{hash} = $head;
1612                        }
1613                }
1614        }
1615        $arg{tree}{hash} = $treehead if defined $treehead;
1616        $arg{tree}{hash_base} = $treebase if defined $treebase;
1617
1618        print "<div class=\"page_nav\">\n" .
1619                (join " | ",
1620                 map { $_ eq $current ?
1621                       $_ : $cgi->a({-href => href(%{$arg{$_}})}, "$_")
1622                 } @navs);
1623        print "<br/>\n$extra<br/>\n" .
1624              "</div>\n";
1625}
1626
1627sub format_paging_nav {
1628        my ($action, $hash, $head, $page, $nrevs) = @_;
1629        my $paging_nav;
1630
1631
1632        if ($hash ne $head || $page) {
1633                $paging_nav .= $cgi->a({-href => href(action=>$action)}, "HEAD");
1634        } else {
1635                $paging_nav .= "HEAD";
1636        }
1637
1638        if ($page > 0) {
1639                $paging_nav .= " &sdot; " .
1640                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page-1),
1641                                 -accesskey => "p", -title => "Alt-p"}, "prev");
1642        } else {
1643                $paging_nav .= " &sdot; prev";
1644        }
1645
1646        if ($nrevs >= (100 * ($page+1)-1)) {
1647                $paging_nav .= " &sdot; " .
1648                        $cgi->a({-href => href(action=>$action, hash=>$hash, page=>$page+1),
1649                                 -accesskey => "n", -title => "Alt-n"}, "next");
1650        } else {
1651                $paging_nav .= " &sdot; next";
1652        }
1653
1654        return $paging_nav;
1655}
1656
1657## ......................................................................
1658## functions printing or outputting HTML: div
1659
1660sub git_print_header_div {
1661        my ($action, $title, $hash, $hash_base) = @_;
1662        my %args = ();
1663
1664        $args{action} = $action;
1665        $args{hash} = $hash if $hash;
1666        $args{hash_base} = $hash_base if $hash_base;
1667
1668        print "<div class=\"header\">\n" .
1669              $cgi->a({-href => href(%args), -class => "title"},
1670              $title ? $title : $action) .
1671              "\n</div>\n";
1672}
1673
1674#sub git_print_authorship (\%) {
1675sub git_print_authorship {
1676        my $co = shift;
1677
1678        my %ad = parse_date($co->{'author_epoch'}, $co->{'author_tz'});
1679        print "<div class=\"author_date\">" .
1680              esc_html($co->{'author_name'}) .
1681              " [$ad{'rfc2822'}";
1682        if ($ad{'hour_local'} < 6) {
1683                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
1684                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1685        } else {
1686                printf(" (%02d:%02d %s)",
1687                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1688        }
1689        print "]</div>\n";
1690}
1691
1692sub git_print_page_path {
1693        my $name = shift;
1694        my $type = shift;
1695        my $hb = shift;
1696
1697
1698        print "<div class=\"page_path\">";
1699        print $cgi->a({-href => href(action=>"tree", hash_base=>$hb),
1700                      -title => 'tree root'}, "[$project]");
1701        print " / ";
1702        if (defined $name) {
1703                my @dirname = split '/', $name;
1704                my $basename = pop @dirname;
1705                my $fullname = '';
1706
1707                foreach my $dir (@dirname) {
1708                        $fullname .= ($fullname ? '/' : '') . $dir;
1709                        print $cgi->a({-href => href(action=>"tree", file_name=>$fullname,
1710                                                     hash_base=>$hb),
1711                                      -title => $fullname}, esc_html($dir));
1712                        print " / ";
1713                }
1714                if (defined $type && $type eq 'blob') {
1715                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
1716                                                     hash_base=>$hb),
1717                                      -title => $name}, esc_html($basename));
1718                } elsif (defined $type && $type eq 'tree') {
1719                        print $cgi->a({-href => href(action=>"tree", file_name=>$file_name,
1720                                                     hash_base=>$hb),
1721                                      -title => $name}, esc_html($basename));
1722                        print " / ";
1723                } else {
1724                        print esc_html($basename);
1725                }
1726        }
1727        print "<br/></div>\n";
1728}
1729
1730# sub git_print_log (\@;%) {
1731sub git_print_log ($;%) {
1732        my $log = shift;
1733        my %opts = @_;
1734
1735        if ($opts{'-remove_title'}) {
1736                # remove title, i.e. first line of log
1737                shift @$log;
1738        }
1739        # remove leading empty lines
1740        while (defined $log->[0] && $log->[0] eq "") {
1741                shift @$log;
1742        }
1743
1744        # print log
1745        my $signoff = 0;
1746        my $empty = 0;
1747        foreach my $line (@$log) {
1748                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1749                        $signoff = 1;
1750                        $empty = 0;
1751                        if (! $opts{'-remove_signoff'}) {
1752                                print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1753                                next;
1754                        } else {
1755                                # remove signoff lines
1756                                next;
1757                        }
1758                } else {
1759                        $signoff = 0;
1760                }
1761
1762                # print only one empty line
1763                # do not print empty line after signoff
1764                if ($line eq "") {
1765                        next if ($empty || $signoff);
1766                        $empty = 1;
1767                } else {
1768                        $empty = 0;
1769                }
1770
1771                print format_log_line_html($line) . "<br/>\n";
1772        }
1773
1774        if ($opts{'-final_empty_line'}) {
1775                # end with single empty line
1776                print "<br/>\n" unless $empty;
1777        }
1778}
1779
1780# print tree entry (row of git_tree), but without encompassing <tr> element
1781sub git_print_tree_entry {
1782        my ($t, $basedir, $hash_base, $have_blame) = @_;
1783
1784        my %base_key = ();
1785        $base_key{hash_base} = $hash_base if defined $hash_base;
1786
1787        # The format of a table row is: mode list link.  Where mode is
1788        # the mode of the entry, list is the name of the entry, an href,
1789        # and link is the action links of the entry.
1790
1791        print "<td class=\"mode\">" . mode_str($t->{'mode'}) . "</td>\n";
1792        if ($t->{'type'} eq "blob") {
1793                print "<td class=\"list\">" .
1794                        $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
1795                                               file_name=>"$basedir$t->{'name'}", %base_key),
1796                                -class => "list"}, esc_html($t->{'name'})) . "</td>\n";
1797                print "<td class=\"link\">";
1798                print $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
1799                                             file_name=>"$basedir$t->{'name'}", %base_key)},
1800                              "blob");
1801                if ($have_blame) {
1802                        print " | " .
1803                              $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
1804                                                           file_name=>"$basedir$t->{'name'}", %base_key)},
1805                                            "blame");
1806                }
1807                if (defined $hash_base) {
1808                        print " | " .
1809                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
1810                                                     hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
1811                                      "history");
1812                }
1813                print " | " .
1814                        $cgi->a({-href => href(action=>"blob_plain", hash_base=>$hash_base,
1815                                               file_name=>"$basedir$t->{'name'}")},
1816                                "raw");
1817                print "</td>\n";
1818
1819        } elsif ($t->{'type'} eq "tree") {
1820                print "<td class=\"list\">";
1821                print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
1822                                             file_name=>"$basedir$t->{'name'}", %base_key)},
1823                              esc_html($t->{'name'}));
1824                print "</td>\n";
1825                print "<td class=\"link\">";
1826                print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
1827                                             file_name=>"$basedir$t->{'name'}", %base_key)},
1828                              "tree");
1829                if (defined $hash_base) {
1830                        print " | " .
1831                              $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
1832                                                     file_name=>"$basedir$t->{'name'}")},
1833                                      "history");
1834                }
1835                print "</td>\n";
1836        }
1837}
1838
1839## ......................................................................
1840## functions printing large fragments of HTML
1841
1842sub git_difftree_body {
1843        my ($difftree, $hash, $parent) = @_;
1844
1845        print "<div class=\"list_head\">\n";
1846        if ($#{$difftree} > 10) {
1847                print(($#{$difftree} + 1) . " files changed:\n");
1848        }
1849        print "</div>\n";
1850
1851        print "<table class=\"diff_tree\">\n";
1852        my $alternate = 1;
1853        my $patchno = 0;
1854        foreach my $line (@{$difftree}) {
1855                my %diff = parse_difftree_raw_line($line);
1856
1857                if ($alternate) {
1858                        print "<tr class=\"dark\">\n";
1859                } else {
1860                        print "<tr class=\"light\">\n";
1861                }
1862                $alternate ^= 1;
1863
1864                my ($to_mode_oct, $to_mode_str, $to_file_type);
1865                my ($from_mode_oct, $from_mode_str, $from_file_type);
1866                if ($diff{'to_mode'} ne ('0' x 6)) {
1867                        $to_mode_oct = oct $diff{'to_mode'};
1868                        if (S_ISREG($to_mode_oct)) { # only for regular file
1869                                $to_mode_str = sprintf("%04o", $to_mode_oct & 0777); # permission bits
1870                        }
1871                        $to_file_type = file_type($diff{'to_mode'});
1872                }
1873                if ($diff{'from_mode'} ne ('0' x 6)) {
1874                        $from_mode_oct = oct $diff{'from_mode'};
1875                        if (S_ISREG($to_mode_oct)) { # only for regular file
1876                                $from_mode_str = sprintf("%04o", $from_mode_oct & 0777); # permission bits
1877                        }
1878                        $from_file_type = file_type($diff{'from_mode'});
1879                }
1880
1881                if ($diff{'status'} eq "A") { # created
1882                        my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
1883                        $mode_chng   .= " with mode: $to_mode_str" if $to_mode_str;
1884                        $mode_chng   .= "]</span>";
1885                        print "<td>";
1886                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1887                                                     hash_base=>$hash, file_name=>$diff{'file'}),
1888                                      -class => "list"}, esc_html($diff{'file'}));
1889                        print "</td>\n";
1890                        print "<td>$mode_chng</td>\n";
1891                        print "<td class=\"link\">";
1892                        if ($action eq 'commitdiff') {
1893                                # link to patch
1894                                $patchno++;
1895                                print $cgi->a({-href => "#patch$patchno"}, "patch");
1896                        }
1897                        print "</td>\n";
1898
1899                } elsif ($diff{'status'} eq "D") { # deleted
1900                        my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
1901                        print "<td>";
1902                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1903                                                     hash_base=>$parent, file_name=>$diff{'file'}),
1904                                       -class => "list"}, esc_html($diff{'file'}));
1905                        print "</td>\n";
1906                        print "<td>$mode_chng</td>\n";
1907                        print "<td class=\"link\">";
1908                        if ($action eq 'commitdiff') {
1909                                # link to patch
1910                                $patchno++;
1911                                print $cgi->a({-href => "#patch$patchno"}, "patch");
1912                                print " | ";
1913                        }
1914                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
1915                                                     hash_base=>$parent, file_name=>$diff{'file'})},
1916                                      "blob") . " | ";
1917                        print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
1918                                                     file_name=>$diff{'file'})},
1919                                      "blame") . " | ";
1920                        print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
1921                                                     file_name=>$diff{'file'})},
1922                                      "history");
1923                        print "</td>\n";
1924
1925                } elsif ($diff{'status'} eq "M" || $diff{'status'} eq "T") { # modified, or type changed
1926                        my $mode_chnge = "";
1927                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1928                                $mode_chnge = "<span class=\"file_status mode_chnge\">[changed";
1929                                if ($from_file_type != $to_file_type) {
1930                                        $mode_chnge .= " from $from_file_type to $to_file_type";
1931                                }
1932                                if (($from_mode_oct & 0777) != ($to_mode_oct & 0777)) {
1933                                        if ($from_mode_str && $to_mode_str) {
1934                                                $mode_chnge .= " mode: $from_mode_str->$to_mode_str";
1935                                        } elsif ($to_mode_str) {
1936                                                $mode_chnge .= " mode: $to_mode_str";
1937                                        }
1938                                }
1939                                $mode_chnge .= "]</span>\n";
1940                        }
1941                        print "<td>";
1942                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1943                                                     hash_base=>$hash, file_name=>$diff{'file'}),
1944                                      -class => "list"}, esc_html($diff{'file'}));
1945                        print "</td>\n";
1946                        print "<td>$mode_chnge</td>\n";
1947                        print "<td class=\"link\">";
1948                        if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
1949                                if ($action eq 'commitdiff') {
1950                                        # link to patch
1951                                        $patchno++;
1952                                        print $cgi->a({-href => "#patch$patchno"}, "patch");
1953                                } else {
1954                                        print $cgi->a({-href => href(action=>"blobdiff",
1955                                                                     hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1956                                                                     hash_base=>$hash, hash_parent_base=>$parent,
1957                                                                     file_name=>$diff{'file'})},
1958                                                      "diff");
1959                                }
1960                                print " | ";
1961                        }
1962                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
1963                                                     hash_base=>$hash, file_name=>$diff{'file'})},
1964                                      "blob") . " | ";
1965                        print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
1966                                                     file_name=>$diff{'file'})},
1967                                      "blame") . " | ";
1968                        print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
1969                                                     file_name=>$diff{'file'})},
1970                                      "history");
1971                        print "</td>\n";
1972
1973                } elsif ($diff{'status'} eq "R" || $diff{'status'} eq "C") { # renamed or copied
1974                        my %status_name = ('R' => 'moved', 'C' => 'copied');
1975                        my $nstatus = $status_name{$diff{'status'}};
1976                        my $mode_chng = "";
1977                        if ($diff{'from_mode'} != $diff{'to_mode'}) {
1978                                # mode also for directories, so we cannot use $to_mode_str
1979                                $mode_chng = sprintf(", mode: %04o", $to_mode_oct & 0777);
1980                        }
1981                        print "<td>" .
1982                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
1983                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'}),
1984                                      -class => "list"}, esc_html($diff{'to_file'})) . "</td>\n" .
1985                              "<td><span class=\"file_status $nstatus\">[$nstatus from " .
1986                              $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
1987                                                     hash=>$diff{'from_id'}, file_name=>$diff{'from_file'}),
1988                                      -class => "list"}, esc_html($diff{'from_file'})) .
1989                              " with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
1990                              "<td class=\"link\">";
1991                        if ($diff{'to_id'} ne $diff{'from_id'}) {
1992                                if ($action eq 'commitdiff') {
1993                                        # link to patch
1994                                        $patchno++;
1995                                        print $cgi->a({-href => "#patch$patchno"}, "patch");
1996                                } else {
1997                                        print $cgi->a({-href => href(action=>"blobdiff",
1998                                                                     hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
1999                                                                     hash_base=>$hash, hash_parent_base=>$parent,
2000                                                                     file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
2001                                                      "diff");
2002                                }
2003                                print " | ";
2004                        }
2005                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
2006                                                     hash_base=>$parent, file_name=>$diff{'from_file'})},
2007                                      "blob") . " | ";
2008                        print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
2009                                                     file_name=>$diff{'from_file'})},
2010                                      "blame") . " | ";
2011                        print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
2012                                                    file_name=>$diff{'from_file'})},
2013                                      "history");
2014                        print "</td>\n";
2015
2016                } # we should not encounter Unmerged (U) or Unknown (X) status
2017                print "</tr>\n";
2018        }
2019        print "</table>\n";
2020}
2021
2022sub git_patchset_body {
2023        my ($fd, $difftree, $hash, $hash_parent) = @_;
2024
2025        my $patch_idx = 0;
2026        my $in_header = 0;
2027        my $patch_found = 0;
2028        my $diffinfo;
2029
2030        print "<div class=\"patchset\">\n";
2031
2032        LINE:
2033        while (my $patch_line = <$fd>) {
2034                chomp $patch_line;
2035
2036                if ($patch_line =~ m/^diff /) { # "git diff" header
2037                        # beginning of patch (in patchset)
2038                        if ($patch_found) {
2039                                # close previous patch
2040                                print "</div>\n"; # class="patch"
2041                        } else {
2042                                # first patch in patchset
2043                                $patch_found = 1;
2044                        }
2045                        print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n";
2046
2047                        if (ref($difftree->[$patch_idx]) eq "HASH") {
2048                                $diffinfo = $difftree->[$patch_idx];
2049                        } else {
2050                                $diffinfo = parse_difftree_raw_line($difftree->[$patch_idx]);
2051                        }
2052                        $patch_idx++;
2053
2054                        # for now, no extended header, hence we skip empty patches
2055                        # companion to  next LINE if $in_header;
2056                        if ($diffinfo->{'from_id'} eq $diffinfo->{'to_id'}) { # no change
2057                                $in_header = 1;
2058                                next LINE;
2059                        }
2060
2061                        if ($diffinfo->{'status'} eq "A") { # added
2062                                print "<div class=\"diff_info\">" . file_type($diffinfo->{'to_mode'}) . ":" .
2063                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2064                                                             hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
2065                                              $diffinfo->{'to_id'}) . " (new)" .
2066                                      "</div>\n"; # class="diff_info"
2067
2068                        } elsif ($diffinfo->{'status'} eq "D") { # deleted
2069                                print "<div class=\"diff_info\">" . file_type($diffinfo->{'from_mode'}) . ":" .
2070                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2071                                                             hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
2072                                              $diffinfo->{'from_id'}) . " (deleted)" .
2073                                      "</div>\n"; # class="diff_info"
2074
2075                        } elsif ($diffinfo->{'status'} eq "R" || # renamed
2076                                 $diffinfo->{'status'} eq "C" || # copied
2077                                 $diffinfo->{'status'} eq "2") { # with two filenames (from git_blobdiff)
2078                                print "<div class=\"diff_info\">" .
2079                                      file_type($diffinfo->{'from_mode'}) . ":" .
2080                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2081                                                             hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'from_file'})},
2082                                              $diffinfo->{'from_id'}) .
2083                                      " -> " .
2084                                      file_type($diffinfo->{'to_mode'}) . ":" .
2085                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2086                                                             hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'to_file'})},
2087                                              $diffinfo->{'to_id'});
2088                                print "</div>\n"; # class="diff_info"
2089
2090                        } else { # modified, mode changed, ...
2091                                print "<div class=\"diff_info\">" .
2092                                      file_type($diffinfo->{'from_mode'}) . ":" .
2093                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2094                                                             hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
2095                                              $diffinfo->{'from_id'}) .
2096                                      " -> " .
2097                                      file_type($diffinfo->{'to_mode'}) . ":" .
2098                                      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2099                                                             hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
2100                                              $diffinfo->{'to_id'});
2101                                print "</div>\n"; # class="diff_info"
2102                        }
2103
2104                        #print "<div class=\"diff extended_header\">\n";
2105                        $in_header = 1;
2106                        next LINE;
2107                } # start of patch in patchset
2108
2109
2110                if ($in_header && $patch_line =~ m/^---/) {
2111                        #print "</div>\n"; # class="diff extended_header"
2112                        $in_header = 0;
2113
2114                        my $file = $diffinfo->{'from_file'};
2115                        $file  ||= $diffinfo->{'file'};
2116                        $file = $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
2117                                                       hash=>$diffinfo->{'from_id'}, file_name=>$file),
2118                                        -class => "list"}, esc_html($file));
2119                        $patch_line =~ s|a/.*$|a/$file|g;
2120                        print "<div class=\"diff from_file\">$patch_line</div>\n";
2121
2122                        $patch_line = <$fd>;
2123                        chomp $patch_line;
2124
2125                        #$patch_line =~ m/^+++/;
2126                        $file    = $diffinfo->{'to_file'};
2127                        $file  ||= $diffinfo->{'file'};
2128                        $file = $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
2129                                                       hash=>$diffinfo->{'to_id'}, file_name=>$file),
2130                                        -class => "list"}, esc_html($file));
2131                        $patch_line =~ s|b/.*|b/$file|g;
2132                        print "<div class=\"diff to_file\">$patch_line</div>\n";
2133
2134                        next LINE;
2135                }
2136                next LINE if $in_header;
2137
2138                print format_diff_line($patch_line);
2139        }
2140        print "</div>\n" if $patch_found; # class="patch"
2141
2142        print "</div>\n"; # class="patchset"
2143}
2144
2145# . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2146
2147sub git_shortlog_body {
2148        # uses global variable $project
2149        my ($revlist, $from, $to, $refs, $extra) = @_;
2150
2151        $from = 0 unless defined $from;
2152        $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
2153
2154        print "<table class=\"shortlog\" cellspacing=\"0\">\n";
2155        my $alternate = 1;
2156        for (my $i = $from; $i <= $to; $i++) {
2157                my $commit = $revlist->[$i];
2158                #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
2159                my $ref = format_ref_marker($refs, $commit);
2160                my %co = parse_commit($commit);
2161                if ($alternate) {
2162                        print "<tr class=\"dark\">\n";
2163                } else {
2164                        print "<tr class=\"light\">\n";
2165                }
2166                $alternate ^= 1;
2167                # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
2168                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2169                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2170                      "<td>";
2171                print format_subject_html($co{'title'}, $co{'title_short'},
2172                                          href(action=>"commit", hash=>$commit), $ref);
2173                print "</td>\n" .
2174                      "<td class=\"link\">" .
2175                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
2176                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
2177                      $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree");
2178                if (gitweb_have_snapshot()) {
2179                        print " | " . $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
2180                }
2181                print "</td>\n" .
2182                      "</tr>\n";
2183        }
2184        if (defined $extra) {
2185                print "<tr>\n" .
2186                      "<td colspan=\"4\">$extra</td>\n" .
2187                      "</tr>\n";
2188        }
2189        print "</table>\n";
2190}
2191
2192sub git_history_body {
2193        # Warning: assumes constant type (blob or tree) during history
2194        my ($revlist, $from, $to, $refs, $hash_base, $ftype, $extra) = @_;
2195
2196        $from = 0 unless defined $from;
2197        $to = $#{$revlist} unless (defined $to && $to <= $#{$revlist});
2198
2199        print "<table class=\"history\" cellspacing=\"0\">\n";
2200        my $alternate = 1;
2201        for (my $i = $from; $i <= $to; $i++) {
2202                if ($revlist->[$i] !~ m/^([0-9a-fA-F]{40})/) {
2203                        next;
2204                }
2205
2206                my $commit = $1;
2207                my %co = parse_commit($commit);
2208                if (!%co) {
2209                        next;
2210                }
2211
2212                my $ref = format_ref_marker($refs, $commit);
2213
2214                if ($alternate) {
2215                        print "<tr class=\"dark\">\n";
2216                } else {
2217                        print "<tr class=\"light\">\n";
2218                }
2219                $alternate ^= 1;
2220                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2221                      # shortlog uses      chop_str($co{'author_name'}, 10)
2222                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2223                      "<td>";
2224                # originally git_history used chop_str($co{'title'}, 50)
2225                print format_subject_html($co{'title'}, $co{'title_short'},
2226                                          href(action=>"commit", hash=>$commit), $ref);
2227                print "</td>\n" .
2228                      "<td class=\"link\">" .
2229                      $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype) . " | " .
2230                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
2231
2232                if ($ftype eq 'blob') {
2233                        my $blob_current = git_get_hash_by_path($hash_base, $file_name);
2234                        my $blob_parent  = git_get_hash_by_path($commit, $file_name);
2235                        if (defined $blob_current && defined $blob_parent &&
2236                                        $blob_current ne $blob_parent) {
2237                                print " | " .
2238                                        $cgi->a({-href => href(action=>"blobdiff",
2239                                                               hash=>$blob_current, hash_parent=>$blob_parent,
2240                                                               hash_base=>$hash_base, hash_parent_base=>$commit,
2241                                                               file_name=>$file_name)},
2242                                                "diff to current");
2243                        }
2244                }
2245                print "</td>\n" .
2246                      "</tr>\n";
2247        }
2248        if (defined $extra) {
2249                print "<tr>\n" .
2250                      "<td colspan=\"4\">$extra</td>\n" .
2251                      "</tr>\n";
2252        }
2253        print "</table>\n";
2254}
2255
2256sub git_tags_body {
2257        # uses global variable $project
2258        my ($taglist, $from, $to, $extra) = @_;
2259        $from = 0 unless defined $from;
2260        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
2261
2262        print "<table class=\"tags\" cellspacing=\"0\">\n";
2263        my $alternate = 1;
2264        for (my $i = $from; $i <= $to; $i++) {
2265                my $entry = $taglist->[$i];
2266                my %tag = %$entry;
2267                my $comment_lines = $tag{'comment'};
2268                my $comment = shift @$comment_lines;
2269                my $comment_short;
2270                if (defined $comment) {
2271                        $comment_short = chop_str($comment, 30, 5);
2272                }
2273                if ($alternate) {
2274                        print "<tr class=\"dark\">\n";
2275                } else {
2276                        print "<tr class=\"light\">\n";
2277                }
2278                $alternate ^= 1;
2279                print "<td><i>$tag{'age'}</i></td>\n" .
2280                      "<td>" .
2281                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'}),
2282                               -class => "list name"}, esc_html($tag{'name'})) .
2283                      "</td>\n" .
2284                      "<td>";
2285                if (defined $comment) {
2286                        print format_subject_html($comment, $comment_short,
2287                                                  href(action=>"tag", hash=>$tag{'id'}));
2288                }
2289                print "</td>\n" .
2290                      "<td class=\"selflink\">";
2291                if ($tag{'type'} eq "tag") {
2292                        print $cgi->a({-href => href(action=>"tag", hash=>$tag{'id'})}, "tag");
2293                } else {
2294                        print "&nbsp;";
2295                }
2296                print "</td>\n" .
2297                      "<td class=\"link\">" . " | " .
2298                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
2299                if ($tag{'reftype'} eq "commit") {
2300                        print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") .
2301                              " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'refid'})}, "log");
2302                } elsif ($tag{'reftype'} eq "blob") {
2303                        print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
2304                }
2305                print "</td>\n" .
2306                      "</tr>";
2307        }
2308        if (defined $extra) {
2309                print "<tr>\n" .
2310                      "<td colspan=\"5\">$extra</td>\n" .
2311                      "</tr>\n";
2312        }
2313        print "</table>\n";
2314}
2315
2316sub git_heads_body {
2317        # uses global variable $project
2318        my ($headlist, $head, $from, $to, $extra) = @_;
2319        $from = 0 unless defined $from;
2320        $to = $#{$headlist} if (!defined $to || $#{$headlist} < $to);
2321
2322        print "<table class=\"heads\" cellspacing=\"0\">\n";
2323        my $alternate = 1;
2324        for (my $i = $from; $i <= $to; $i++) {
2325                my $entry = $headlist->[$i];
2326                my %tag = %$entry;
2327                my $curr = $tag{'id'} eq $head;
2328                if ($alternate) {
2329                        print "<tr class=\"dark\">\n";
2330                } else {
2331                        print "<tr class=\"light\">\n";
2332                }
2333                $alternate ^= 1;
2334                print "<td><i>$tag{'age'}</i></td>\n" .
2335                      ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
2336                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'}),
2337                               -class => "list name"},esc_html($tag{'name'})) .
2338                      "</td>\n" .
2339                      "<td class=\"link\">" .
2340                      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") . " | " .
2341                      $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log") . " | " .
2342                      $cgi->a({-href => href(action=>"tree", hash=>$tag{'name'}, hash_base=>$tag{'name'})}, "tree") .
2343                      "</td>\n" .
2344                      "</tr>";
2345        }
2346        if (defined $extra) {
2347                print "<tr>\n" .
2348                      "<td colspan=\"3\">$extra</td>\n" .
2349                      "</tr>\n";
2350        }
2351        print "</table>\n";
2352}
2353
2354## ======================================================================
2355## ======================================================================
2356## actions
2357
2358sub git_project_list {
2359        my $order = $cgi->param('o');
2360        if (defined $order && $order !~ m/project|descr|owner|age/) {
2361                die_error(undef, "Unknown order parameter");
2362        }
2363
2364        my @list = git_get_projects_list();
2365        my @projects;
2366        if (!@list) {
2367                die_error(undef, "No projects found");
2368        }
2369        foreach my $pr (@list) {
2370                my (@aa) = git_get_last_activity($pr->{'path'});
2371                unless (@aa) {
2372                        next;
2373                }
2374                ($pr->{'age'}, $pr->{'age_string'}) = @aa;
2375                if (!defined $pr->{'descr'}) {
2376                        my $descr = git_get_project_description($pr->{'path'}) || "";
2377                        $pr->{'descr'} = chop_str($descr, 25, 5);
2378                }
2379                if (!defined $pr->{'owner'}) {
2380                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
2381                }
2382                push @projects, $pr;
2383        }
2384
2385        git_header_html();
2386        if (-f $home_text) {
2387                print "<div class=\"index_include\">\n";
2388                open (my $fd, $home_text);
2389                print <$fd>;
2390                close $fd;
2391                print "</div>\n";
2392        }
2393        print "<table class=\"project_list\">\n" .
2394              "<tr>\n";
2395        $order ||= "project";
2396        if ($order eq "project") {
2397                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
2398                print "<th>Project</th>\n";
2399        } else {
2400                print "<th>" .
2401                      $cgi->a({-href => href(project=>undef, order=>'project'),
2402                               -class => "header"}, "Project") .
2403                      "</th>\n";
2404        }
2405        if ($order eq "descr") {
2406                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
2407                print "<th>Description</th>\n";
2408        } else {
2409                print "<th>" .
2410                      $cgi->a({-href => href(project=>undef, order=>'descr'),
2411                               -class => "header"}, "Description") .
2412                      "</th>\n";
2413        }
2414        if ($order eq "owner") {
2415                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
2416                print "<th>Owner</th>\n";
2417        } else {
2418                print "<th>" .
2419                      $cgi->a({-href => href(project=>undef, order=>'owner'),
2420                               -class => "header"}, "Owner") .
2421                      "</th>\n";
2422        }
2423        if ($order eq "age") {
2424                @projects = sort {$a->{'age'} <=> $b->{'age'}} @projects;
2425                print "<th>Last Change</th>\n";
2426        } else {
2427                print "<th>" .
2428                      $cgi->a({-href => href(project=>undef, order=>'age'),
2429                               -class => "header"}, "Last Change") .
2430                      "</th>\n";
2431        }
2432        print "<th></th>\n" .
2433              "</tr>\n";
2434        my $alternate = 1;
2435        foreach my $pr (@projects) {
2436                if ($alternate) {
2437                        print "<tr class=\"dark\">\n";
2438                } else {
2439                        print "<tr class=\"light\">\n";
2440                }
2441                $alternate ^= 1;
2442                print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
2443                                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
2444                      "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
2445                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
2446                print "<td class=\"". age_class($pr->{'age'}) . "\">" .
2447                      $pr->{'age_string'} . "</td>\n" .
2448                      "<td class=\"link\">" .
2449                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
2450                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
2451                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " .
2452                      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") .
2453                      "</td>\n" .
2454                      "</tr>\n";
2455        }
2456        print "</table>\n";
2457        git_footer_html();
2458}
2459
2460sub git_project_index {
2461        my @projects = git_get_projects_list();
2462
2463        print $cgi->header(
2464                -type => 'text/plain',
2465                -charset => 'utf-8',
2466                -content_disposition => 'inline; filename="index.aux"');
2467
2468        foreach my $pr (@projects) {
2469                if (!exists $pr->{'owner'}) {
2470                        $pr->{'owner'} = get_file_owner("$projectroot/$project");
2471                }
2472
2473                my ($path, $owner) = ($pr->{'path'}, $pr->{'owner'});
2474                # quote as in CGI::Util::encode, but keep the slash, and use '+' for ' '
2475                $path  =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
2476                $owner =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
2477                $path  =~ s/ /\+/g;
2478                $owner =~ s/ /\+/g;
2479
2480                print "$path $owner\n";
2481        }
2482}
2483
2484sub git_summary {
2485        my $descr = git_get_project_description($project) || "none";
2486        my $head = git_get_head_hash($project);
2487        my %co = parse_commit($head);
2488        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
2489
2490        my $owner = git_get_project_owner($project);
2491
2492        my ($reflist, $refs) = git_get_refs_list();
2493
2494        my @taglist;
2495        my @headlist;
2496        foreach my $ref (@$reflist) {
2497                if ($ref->{'name'} =~ s!^heads/!!) {
2498                        push @headlist, $ref;
2499                } else {
2500                        $ref->{'name'} =~ s!^tags/!!;
2501                        push @taglist, $ref;
2502                }
2503        }
2504
2505        git_header_html();
2506        git_print_page_nav('summary','', $head);
2507
2508        print "<div class=\"title\">&nbsp;</div>\n";
2509        print "<table cellspacing=\"0\">\n" .
2510              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
2511              "<tr><td>owner</td><td>$owner</td></tr>\n" .
2512              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n";
2513        # use per project git URL list in $projectroot/$project/cloneurl
2514        # or make project git URL from git base URL and project name
2515        my $url_tag = "URL";
2516        my @url_list = git_get_project_url_list($project);
2517        @url_list = map { "$_/$project" } @git_base_url_list unless @url_list;
2518        foreach my $git_url (@url_list) {
2519                next unless $git_url;
2520                print "<tr><td>$url_tag</td><td>$git_url</td></tr>\n";
2521                $url_tag = "";
2522        }
2523        print "</table>\n";
2524
2525        if (-s "$projectroot/$project/README.html") {
2526                if (open my $fd, "$projectroot/$project/README.html") {
2527                        print "<div class=\"title\">readme</div>\n";
2528                        print $_ while (<$fd>);
2529                        close $fd;
2530                }
2531        }
2532
2533        open my $fd, "-|", git_cmd(), "rev-list", "--max-count=17",
2534                git_get_head_hash($project), "--"
2535                or die_error(undef, "Open git-rev-list failed");
2536        my @revlist = map { chomp; $_ } <$fd>;
2537        close $fd;
2538        git_print_header_div('shortlog');
2539        git_shortlog_body(\@revlist, 0, 15, $refs,
2540                          $cgi->a({-href => href(action=>"shortlog")}, "..."));
2541
2542        if (@taglist) {
2543                git_print_header_div('tags');
2544                git_tags_body(\@taglist, 0, 15,
2545                              $cgi->a({-href => href(action=>"tags")}, "..."));
2546        }
2547
2548        if (@headlist) {
2549                git_print_header_div('heads');
2550                git_heads_body(\@headlist, $head, 0, 15,
2551                               $cgi->a({-href => href(action=>"heads")}, "..."));
2552        }
2553
2554        git_footer_html();
2555}
2556
2557sub git_tag {
2558        my $head = git_get_head_hash($project);
2559        git_header_html();
2560        git_print_page_nav('','', $head,undef,$head);
2561        my %tag = parse_tag($hash);
2562        git_print_header_div('commit', esc_html($tag{'name'}), $hash);
2563        print "<div class=\"title_text\">\n" .
2564              "<table cellspacing=\"0\">\n" .
2565              "<tr>\n" .
2566              "<td>object</td>\n" .
2567              "<td>" . $cgi->a({-class => "list", -href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2568                               $tag{'object'}) . "</td>\n" .
2569              "<td class=\"link\">" . $cgi->a({-href => href(action=>$tag{'type'}, hash=>$tag{'object'})},
2570                                              $tag{'type'}) . "</td>\n" .
2571              "</tr>\n";
2572        if (defined($tag{'author'})) {
2573                my %ad = parse_date($tag{'epoch'}, $tag{'tz'});
2574                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
2575                print "<tr><td></td><td>" . $ad{'rfc2822'} .
2576                        sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) .
2577                        "</td></tr>\n";
2578        }
2579        print "</table>\n\n" .
2580              "</div>\n";
2581        print "<div class=\"page_body\">";
2582        my $comment = $tag{'comment'};
2583        foreach my $line (@$comment) {
2584                print esc_html($line) . "<br/>\n";
2585        }
2586        print "</div>\n";
2587        git_footer_html();
2588}
2589
2590sub git_blame2 {
2591        my $fd;
2592        my $ftype;
2593
2594        my ($have_blame) = gitweb_check_feature('blame');
2595        if (!$have_blame) {
2596                die_error('403 Permission denied', "Permission denied");
2597        }
2598        die_error('404 Not Found', "File name not defined") if (!$file_name);
2599        $hash_base ||= git_get_head_hash($project);
2600        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2601        my %co = parse_commit($hash_base)
2602                or die_error(undef, "Reading commit failed");
2603        if (!defined $hash) {
2604                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2605                        or die_error(undef, "Error looking up file");
2606        }
2607        $ftype = git_get_type($hash);
2608        if ($ftype !~ "blob") {
2609                die_error("400 Bad Request", "Object is not a blob");
2610        }
2611        open ($fd, "-|", git_cmd(), "blame", '-p', '--',
2612              $file_name, $hash_base)
2613                or die_error(undef, "Open git-blame failed");
2614        git_header_html();
2615        my $formats_nav =
2616                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2617                        "blob") .
2618                " | " .
2619                $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2620                        "history") .
2621                " | " .
2622                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2623                        "HEAD");
2624        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2625        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2626        git_print_page_path($file_name, $ftype, $hash_base);
2627        my @rev_color = (qw(light2 dark2));
2628        my $num_colors = scalar(@rev_color);
2629        my $current_color = 0;
2630        my $last_rev;
2631        print <<HTML;
2632<div class="page_body">
2633<table class="blame">
2634<tr><th>Commit</th><th>Line</th><th>Data</th></tr>
2635HTML
2636        my %metainfo = ();
2637        while (1) {
2638                $_ = <$fd>;
2639                last unless defined $_;
2640                my ($full_rev, $orig_lineno, $lineno, $group_size) =
2641                    /^([0-9a-f]{40}) (\d+) (\d+)(?: (\d+))?$/;
2642                if (!exists $metainfo{$full_rev}) {
2643                        $metainfo{$full_rev} = {};
2644                }
2645                my $meta = $metainfo{$full_rev};
2646                while (<$fd>) {
2647                        last if (s/^\t//);
2648                        if (/^(\S+) (.*)$/) {
2649                                $meta->{$1} = $2;
2650                        }
2651                }
2652                my $data = $_;
2653                my $rev = substr($full_rev, 0, 8);
2654                my $author = $meta->{'author'};
2655                my %date = parse_date($meta->{'author-time'},
2656                                      $meta->{'author-tz'});
2657                my $date = $date{'iso-tz'};
2658                if ($group_size) {
2659                        $current_color = ++$current_color % $num_colors;
2660                }
2661                print "<tr class=\"$rev_color[$current_color]\">\n";
2662                if ($group_size) {
2663                        print "<td class=\"sha1\"";
2664                        print " title=\"". esc_html($author) . ", $date\"";
2665                        print " rowspan=\"$group_size\"" if ($group_size > 1);
2666                        print ">";
2667                        print $cgi->a({-href => href(action=>"commit",
2668                                                     hash=>$full_rev,
2669                                                     file_name=>$file_name)},
2670                                      esc_html($rev));
2671                        print "</td>\n";
2672                }
2673                my $blamed = href(action => 'blame',
2674                                  file_name => $meta->{'filename'},
2675                                  hash_base => $full_rev);
2676                print "<td class=\"linenr\">";
2677                print $cgi->a({ -href => "$blamed#l$orig_lineno",
2678                                -id => "l$lineno",
2679                                -class => "linenr" },
2680                              esc_html($lineno));
2681                print "</td>";
2682                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
2683                print "</tr>\n";
2684        }
2685        print "</table>\n";
2686        print "</div>";
2687        close $fd
2688                or print "Reading blob failed\n";
2689        git_footer_html();
2690}
2691
2692sub git_blame {
2693        my $fd;
2694
2695        my ($have_blame) = gitweb_check_feature('blame');
2696        if (!$have_blame) {
2697                die_error('403 Permission denied', "Permission denied");
2698        }
2699        die_error('404 Not Found', "File name not defined") if (!$file_name);
2700        $hash_base ||= git_get_head_hash($project);
2701        die_error(undef, "Couldn't find base commit") unless ($hash_base);
2702        my %co = parse_commit($hash_base)
2703                or die_error(undef, "Reading commit failed");
2704        if (!defined $hash) {
2705                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
2706                        or die_error(undef, "Error lookup file");
2707        }
2708        open ($fd, "-|", git_cmd(), "annotate", '-l', '-t', '-r', $file_name, $hash_base)
2709                or die_error(undef, "Open git-annotate failed");
2710        git_header_html();
2711        my $formats_nav =
2712                $cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2713                        "blob") .
2714                " | " .
2715                $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
2716                        "history") .
2717                " | " .
2718                $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
2719                        "HEAD");
2720        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2721        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2722        git_print_page_path($file_name, 'blob', $hash_base);
2723        print "<div class=\"page_body\">\n";
2724        print <<HTML;
2725<table class="blame">
2726  <tr>
2727    <th>Commit</th>
2728    <th>Age</th>
2729    <th>Author</th>
2730    <th>Line</th>
2731    <th>Data</th>
2732  </tr>
2733HTML
2734        my @line_class = (qw(light dark));
2735        my $line_class_len = scalar (@line_class);
2736        my $line_class_num = $#line_class;
2737        while (my $line = <$fd>) {
2738                my $long_rev;
2739                my $short_rev;
2740                my $author;
2741                my $time;
2742                my $lineno;
2743                my $data;
2744                my $age;
2745                my $age_str;
2746                my $age_class;
2747
2748                chomp $line;
2749                $line_class_num = ($line_class_num + 1) % $line_class_len;
2750
2751                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) [+-]\d\d\d\d\t(\d+)\)(.*)$/) {
2752                        $long_rev = $1;
2753                        $author   = $2;
2754                        $time     = $3;
2755                        $lineno   = $4;
2756                        $data     = $5;
2757                } else {
2758                        print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
2759                        next;
2760                }
2761                $short_rev  = substr ($long_rev, 0, 8);
2762                $age        = time () - $time;
2763                $age_str    = age_string ($age);
2764                $age_str    =~ s/ /&nbsp;/g;
2765                $age_class  = age_class($age);
2766                $author     = esc_html ($author);
2767                $author     =~ s/ /&nbsp;/g;
2768
2769                $data = untabify($data);
2770                $data = esc_html ($data);
2771
2772                print <<HTML;
2773  <tr class="$line_class[$line_class_num]">
2774    <td class="sha1"><a href="${\href (action=>"commit", hash=>$long_rev)}" class="text">$short_rev..</a></td>
2775    <td class="$age_class">$age_str</td>
2776    <td>$author</td>
2777    <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
2778    <td class="pre">$data</td>
2779  </tr>
2780HTML
2781        } # while (my $line = <$fd>)
2782        print "</table>\n\n";
2783        close $fd
2784                or print "Reading blob failed.\n";
2785        print "</div>";
2786        git_footer_html();
2787}
2788
2789sub git_tags {
2790        my $head = git_get_head_hash($project);
2791        git_header_html();
2792        git_print_page_nav('','', $head,undef,$head);
2793        git_print_header_div('summary', $project);
2794
2795        my ($taglist) = git_get_refs_list("tags");
2796        if (@$taglist) {
2797                git_tags_body($taglist);
2798        }
2799        git_footer_html();
2800}
2801
2802sub git_heads {
2803        my $head = git_get_head_hash($project);
2804        git_header_html();
2805        git_print_page_nav('','', $head,undef,$head);
2806        git_print_header_div('summary', $project);
2807
2808        my ($headlist) = git_get_refs_list("heads");
2809        if (@$headlist) {
2810                git_heads_body($headlist, $head);
2811        }
2812        git_footer_html();
2813}
2814
2815sub git_blob_plain {
2816        my $expires;
2817
2818        if (!defined $hash) {
2819                if (defined $file_name) {
2820                        my $base = $hash_base || git_get_head_hash($project);
2821                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2822                                or die_error(undef, "Error lookup file");
2823                } else {
2824                        die_error(undef, "No file name defined");
2825                }
2826        } elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2827                # blobs defined by non-textual hash id's can be cached
2828                $expires = "+1d";
2829        }
2830
2831        my $type = shift;
2832        open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
2833                or die_error(undef, "Couldn't cat $file_name, $hash");
2834
2835        $type ||= blob_mimetype($fd, $file_name);
2836
2837        # save as filename, even when no $file_name is given
2838        my $save_as = "$hash";
2839        if (defined $file_name) {
2840                $save_as = $file_name;
2841        } elsif ($type =~ m/^text\//) {
2842                $save_as .= '.txt';
2843        }
2844
2845        print $cgi->header(
2846                -type => "$type",
2847                -expires=>$expires,
2848                -content_disposition => 'inline; filename="' . "$save_as" . '"');
2849        undef $/;
2850        binmode STDOUT, ':raw';
2851        print <$fd>;
2852        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
2853        $/ = "\n";
2854        close $fd;
2855}
2856
2857sub git_blob {
2858        my $expires;
2859
2860        if (!defined $hash) {
2861                if (defined $file_name) {
2862                        my $base = $hash_base || git_get_head_hash($project);
2863                        $hash = git_get_hash_by_path($base, $file_name, "blob")
2864                                or die_error(undef, "Error lookup file");
2865                } else {
2866                        die_error(undef, "No file name defined");
2867                }
2868        } elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2869                # blobs defined by non-textual hash id's can be cached
2870                $expires = "+1d";
2871        }
2872
2873        my ($have_blame) = gitweb_check_feature('blame');
2874        open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
2875                or die_error(undef, "Couldn't cat $file_name, $hash");
2876        my $mimetype = blob_mimetype($fd, $file_name);
2877        if ($mimetype !~ m/^text\//) {
2878                close $fd;
2879                return git_blob_plain($mimetype);
2880        }
2881        git_header_html(undef, $expires);
2882        my $formats_nav = '';
2883        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2884                if (defined $file_name) {
2885                        if ($have_blame) {
2886                                $formats_nav .=
2887                                        $cgi->a({-href => href(action=>"blame", hash_base=>$hash_base,
2888                                                               hash=>$hash, file_name=>$file_name)},
2889                                                "blame") .
2890                                        " | ";
2891                        }
2892                        $formats_nav .=
2893                                $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2894                                                       hash=>$hash, file_name=>$file_name)},
2895                                        "history") .
2896                                " | " .
2897                                $cgi->a({-href => href(action=>"blob_plain",
2898                                                       hash=>$hash, file_name=>$file_name)},
2899                                        "raw") .
2900                                " | " .
2901                                $cgi->a({-href => href(action=>"blob",
2902                                                       hash_base=>"HEAD", file_name=>$file_name)},
2903                                        "HEAD");
2904                } else {
2905                        $formats_nav .=
2906                                $cgi->a({-href => href(action=>"blob_plain", hash=>$hash)}, "raw");
2907                }
2908                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2909                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2910        } else {
2911                print "<div class=\"page_nav\">\n" .
2912                      "<br/><br/></div>\n" .
2913                      "<div class=\"title\">$hash</div>\n";
2914        }
2915        git_print_page_path($file_name, "blob", $hash_base);
2916        print "<div class=\"page_body\">\n";
2917        my $nr;
2918        while (my $line = <$fd>) {
2919                chomp $line;
2920                $nr++;
2921                $line = untabify($line);
2922                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
2923                       $nr, $nr, $nr, esc_html($line);
2924        }
2925        close $fd
2926                or print "Reading blob failed.\n";
2927        print "</div>";
2928        git_footer_html();
2929}
2930
2931sub git_tree {
2932        my $have_snapshot = gitweb_have_snapshot();
2933
2934        if (!defined $hash_base) {
2935                $hash_base = "HEAD";
2936        }
2937        if (!defined $hash) {
2938                if (defined $file_name) {
2939                        $hash = git_get_hash_by_path($hash_base, $file_name, "tree");
2940                } else {
2941                        $hash = $hash_base;
2942                }
2943        }
2944        $/ = "\0";
2945        open my $fd, "-|", git_cmd(), "ls-tree", '-z', $hash
2946                or die_error(undef, "Open git-ls-tree failed");
2947        my @entries = map { chomp; $_ } <$fd>;
2948        close $fd or die_error(undef, "Reading tree failed");
2949        $/ = "\n";
2950
2951        my $refs = git_get_references();
2952        my $ref = format_ref_marker($refs, $hash_base);
2953        git_header_html();
2954        my $basedir = '';
2955        my ($have_blame) = gitweb_check_feature('blame');
2956        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2957                my @views_nav = ();
2958                if (defined $file_name) {
2959                        push @views_nav,
2960                                $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
2961                                                       hash=>$hash, file_name=>$file_name)},
2962                                        "history"),
2963                                $cgi->a({-href => href(action=>"tree",
2964                                                       hash_base=>"HEAD", file_name=>$file_name)},
2965                                        "HEAD"),
2966                }
2967                if ($have_snapshot) {
2968                        # FIXME: Should be available when we have no hash base as well.
2969                        push @views_nav,
2970                                $cgi->a({-href => href(action=>"snapshot", hash=>$hash)},
2971                                        "snapshot");
2972                }
2973                git_print_page_nav('tree','', $hash_base, undef, undef, join(' | ', @views_nav));
2974                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
2975        } else {
2976                undef $hash_base;
2977                print "<div class=\"page_nav\">\n";
2978                print "<br/><br/></div>\n";
2979                print "<div class=\"title\">$hash</div>\n";
2980        }
2981        if (defined $file_name) {
2982                $basedir = $file_name;
2983                if ($basedir ne '' && substr($basedir, -1) ne '/') {
2984                        $basedir .= '/';
2985                }
2986        }
2987        git_print_page_path($file_name, 'tree', $hash_base);
2988        print "<div class=\"page_body\">\n";
2989        print "<table cellspacing=\"0\">\n";
2990        my $alternate = 1;
2991        # '..' (top directory) link if possible
2992        if (defined $hash_base &&
2993            defined $file_name && $file_name =~ m![^/]+$!) {
2994                if ($alternate) {
2995                        print "<tr class=\"dark\">\n";
2996                } else {
2997                        print "<tr class=\"light\">\n";
2998                }
2999                $alternate ^= 1;
3000
3001                my $up = $file_name;
3002                $up =~ s!/?[^/]+$!!;
3003                undef $up unless $up;
3004                # based on git_print_tree_entry
3005                print '<td class="mode">' . mode_str('040000') . "</td>\n";
3006                print '<td class="list">';
3007                print $cgi->a({-href => href(action=>"tree", hash_base=>$hash_base,
3008                                             file_name=>$up)},
3009                              "..");
3010                print "</td>\n";
3011                print "<td class=\"link\"></td>\n";
3012
3013                print "</tr>\n";
3014        }
3015        foreach my $line (@entries) {
3016                my %t = parse_ls_tree_line($line, -z => 1);
3017
3018                if ($alternate) {
3019                        print "<tr class=\"dark\">\n";
3020                } else {
3021                        print "<tr class=\"light\">\n";
3022                }
3023                $alternate ^= 1;
3024
3025                git_print_tree_entry(\%t, $basedir, $hash_base, $have_blame);
3026
3027                print "</tr>\n";
3028        }
3029        print "</table>\n" .
3030              "</div>";
3031        git_footer_html();
3032}
3033
3034sub git_snapshot {
3035        my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
3036        my $have_snapshot = (defined $ctype && defined $suffix);
3037        if (!$have_snapshot) {
3038                die_error('403 Permission denied', "Permission denied");
3039        }
3040
3041        if (!defined $hash) {
3042                $hash = git_get_head_hash($project);
3043        }
3044
3045        my $filename = basename($project) . "-$hash.tar.$suffix";
3046
3047        print $cgi->header(
3048                -type => 'application/x-tar',
3049                -content_encoding => $ctype,
3050                -content_disposition => 'inline; filename="' . "$filename" . '"',
3051                -status => '200 OK');
3052
3053        my $git = git_cmd_str();
3054        my $name = $project;
3055        $name =~ s/\047/\047\\\047\047/g;
3056        open my $fd, "-|",
3057        "$git archive --format=tar --prefix=\'$name\'/ $hash | $command"
3058                or die_error(undef, "Execute git-tar-tree failed.");
3059        binmode STDOUT, ':raw';
3060        print <$fd>;
3061        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
3062        close $fd;
3063
3064}
3065
3066sub git_log {
3067        my $head = git_get_head_hash($project);
3068        if (!defined $hash) {
3069                $hash = $head;
3070        }
3071        if (!defined $page) {
3072                $page = 0;
3073        }
3074        my $refs = git_get_references();
3075
3076        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3077        open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash, "--"
3078                or die_error(undef, "Open git-rev-list failed");
3079        my @revlist = map { chomp; $_ } <$fd>;
3080        close $fd;
3081
3082        my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#revlist);
3083
3084        git_header_html();
3085        git_print_page_nav('log','', $hash,undef,undef, $paging_nav);
3086
3087        if (!@revlist) {
3088                my %co = parse_commit($hash);
3089
3090                git_print_header_div('summary', $project);
3091                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
3092        }
3093        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
3094                my $commit = $revlist[$i];
3095                my $ref = format_ref_marker($refs, $commit);
3096                my %co = parse_commit($commit);
3097                next if !%co;
3098                my %ad = parse_date($co{'author_epoch'});
3099                git_print_header_div('commit',
3100                               "<span class=\"age\">$co{'age_string'}</span>" .
3101                               esc_html($co{'title'}) . $ref,
3102                               $commit);
3103                print "<div class=\"title_text\">\n" .
3104                      "<div class=\"log_link\">\n" .
3105                      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
3106                      " | " .
3107                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
3108                      " | " .
3109                      $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") .
3110                      "<br/>\n" .
3111                      "</div>\n" .
3112                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
3113                      "</div>\n";
3114
3115                print "<div class=\"log_body\">\n";
3116                git_print_log($co{'comment'}, -final_empty_line=> 1);
3117                print "</div>\n";
3118        }
3119        git_footer_html();
3120}
3121
3122sub git_commit {
3123        my %co = parse_commit($hash);
3124        if (!%co) {
3125                die_error(undef, "Unknown commit object");
3126        }
3127        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
3128        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
3129
3130        my $parent = $co{'parent'};
3131        if (!defined $parent) {
3132                $parent = "--root";
3133        }
3134        open my $fd, "-|", git_cmd(), "diff-tree", '-r', "--no-commit-id",
3135                @diff_opts, $parent, $hash, "--"
3136                or die_error(undef, "Open git-diff-tree failed");
3137        my @difftree = map { chomp; $_ } <$fd>;
3138        close $fd or die_error(undef, "Reading git-diff-tree failed");
3139
3140        # non-textual hash id's can be cached
3141        my $expires;
3142        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
3143                $expires = "+1d";
3144        }
3145        my $refs = git_get_references();
3146        my $ref = format_ref_marker($refs, $co{'id'});
3147
3148        my $have_snapshot = gitweb_have_snapshot();
3149
3150        my @views_nav = ();
3151        if (defined $file_name && defined $co{'parent'}) {
3152                push @views_nav,
3153                        $cgi->a({-href => href(action=>"blame", hash_parent=>$parent, file_name=>$file_name)},
3154                                "blame");
3155        }
3156        git_header_html(undef, $expires);
3157        git_print_page_nav('commit', '',
3158                           $hash, $co{'tree'}, $hash,
3159                           join (' | ', @views_nav));
3160
3161        if (defined $co{'parent'}) {
3162                git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
3163        } else {
3164                git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
3165        }
3166        print "<div class=\"title_text\">\n" .
3167              "<table cellspacing=\"0\">\n";
3168        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
3169              "<tr>" .
3170              "<td></td><td> $ad{'rfc2822'}";
3171        if ($ad{'hour_local'} < 6) {
3172                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
3173                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
3174        } else {
3175                printf(" (%02d:%02d %s)",
3176                       $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
3177        }
3178        print "</td>" .
3179              "</tr>\n";
3180        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
3181        print "<tr><td></td><td> $cd{'rfc2822'}" .
3182              sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) .
3183              "</td></tr>\n";
3184        print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
3185        print "<tr>" .
3186              "<td>tree</td>" .
3187              "<td class=\"sha1\">" .
3188              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash),
3189                       class => "list"}, $co{'tree'}) .
3190              "</td>" .
3191              "<td class=\"link\">" .
3192              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$hash)},
3193                      "tree");
3194        if ($have_snapshot) {
3195                print " | " .
3196                      $cgi->a({-href => href(action=>"snapshot", hash=>$hash)}, "snapshot");
3197        }
3198        print "</td>" .
3199              "</tr>\n";
3200        my $parents = $co{'parents'};
3201        foreach my $par (@$parents) {
3202                print "<tr>" .
3203                      "<td>parent</td>" .
3204                      "<td class=\"sha1\">" .
3205                      $cgi->a({-href => href(action=>"commit", hash=>$par),
3206                               class => "list"}, $par) .
3207                      "</td>" .
3208                      "<td class=\"link\">" .
3209                      $cgi->a({-href => href(action=>"commit", hash=>$par)}, "commit") .
3210                      " | " .
3211                      $cgi->a({-href => href(action=>"commitdiff", hash=>$hash, hash_parent=>$par)}, "diff") .
3212                      "</td>" .
3213                      "</tr>\n";
3214        }
3215        print "</table>".
3216              "</div>\n";
3217
3218        print "<div class=\"page_body\">\n";
3219        git_print_log($co{'comment'});
3220        print "</div>\n";
3221
3222        git_difftree_body(\@difftree, $hash, $parent);
3223
3224        git_footer_html();
3225}
3226
3227sub git_blobdiff {
3228        my $format = shift || 'html';
3229
3230        my $fd;
3231        my @difftree;
3232        my %diffinfo;
3233        my $expires;
3234
3235        # preparing $fd and %diffinfo for git_patchset_body
3236        # new style URI
3237        if (defined $hash_base && defined $hash_parent_base) {
3238                if (defined $file_name) {
3239                        # read raw output
3240                        open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3241                                $hash_parent_base, $hash_base,
3242                                "--", $file_name
3243                                or die_error(undef, "Open git-diff-tree failed");
3244                        @difftree = map { chomp; $_ } <$fd>;
3245                        close $fd
3246                                or die_error(undef, "Reading git-diff-tree failed");
3247                        @difftree
3248                                or die_error('404 Not Found', "Blob diff not found");
3249
3250                } elsif (defined $hash &&
3251                         $hash =~ /[0-9a-fA-F]{40}/) {
3252                        # try to find filename from $hash
3253
3254                        # read filtered raw output
3255                        open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3256                                $hash_parent_base, $hash_base, "--"
3257                                or die_error(undef, "Open git-diff-tree failed");
3258                        @difftree =
3259                                # ':100644 100644 03b21826... 3b93d5e7... M     ls-files.c'
3260                                # $hash == to_id
3261                                grep { /^:[0-7]{6} [0-7]{6} [0-9a-fA-F]{40} $hash/ }
3262                                map { chomp; $_ } <$fd>;
3263                        close $fd
3264                                or die_error(undef, "Reading git-diff-tree failed");
3265                        @difftree
3266                                or die_error('404 Not Found', "Blob diff not found");
3267
3268                } else {
3269                        die_error('404 Not Found', "Missing one of the blob diff parameters");
3270                }
3271
3272                if (@difftree > 1) {
3273                        die_error('404 Not Found', "Ambiguous blob diff specification");
3274                }
3275
3276                %diffinfo = parse_difftree_raw_line($difftree[0]);
3277                $file_parent ||= $diffinfo{'from_file'} || $file_name || $diffinfo{'file'};
3278                $file_name   ||= $diffinfo{'to_file'}   || $diffinfo{'file'};
3279
3280                $hash_parent ||= $diffinfo{'from_id'};
3281                $hash        ||= $diffinfo{'to_id'};
3282
3283                # non-textual hash id's can be cached
3284                if ($hash_base =~ m/^[0-9a-fA-F]{40}$/ &&
3285                    $hash_parent_base =~ m/^[0-9a-fA-F]{40}$/) {
3286                        $expires = '+1d';
3287                }
3288
3289                # open patch output
3290                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3291                        '-p', $hash_parent_base, $hash_base,
3292                        "--", $file_name
3293                        or die_error(undef, "Open git-diff-tree failed");
3294        }
3295
3296        # old/legacy style URI
3297        if (!%diffinfo && # if new style URI failed
3298            defined $hash && defined $hash_parent) {
3299                # fake git-diff-tree raw output
3300                $diffinfo{'from_mode'} = $diffinfo{'to_mode'} = "blob";
3301                $diffinfo{'from_id'} = $hash_parent;
3302                $diffinfo{'to_id'}   = $hash;
3303                if (defined $file_name) {
3304                        if (defined $file_parent) {
3305                                $diffinfo{'status'} = '2';
3306                                $diffinfo{'from_file'} = $file_parent;
3307                                $diffinfo{'to_file'}   = $file_name;
3308                        } else { # assume not renamed
3309                                $diffinfo{'status'} = '1';
3310                                $diffinfo{'from_file'} = $file_name;
3311                                $diffinfo{'to_file'}   = $file_name;
3312                        }
3313                } else { # no filename given
3314                        $diffinfo{'status'} = '2';
3315                        $diffinfo{'from_file'} = $hash_parent;
3316                        $diffinfo{'to_file'}   = $hash;
3317                }
3318
3319                # non-textual hash id's can be cached
3320                if ($hash =~ m/^[0-9a-fA-F]{40}$/ &&
3321                    $hash_parent =~ m/^[0-9a-fA-F]{40}$/) {
3322                        $expires = '+1d';
3323                }
3324
3325                # open patch output
3326                open $fd, "-|", git_cmd(), "diff", '-p', @diff_opts,
3327                        $hash_parent, $hash, "--"
3328                        or die_error(undef, "Open git-diff failed");
3329        } else  {
3330                die_error('404 Not Found', "Missing one of the blob diff parameters")
3331                        unless %diffinfo;
3332        }
3333
3334        # header
3335        if ($format eq 'html') {
3336                my $formats_nav =
3337                        $cgi->a({-href => href(action=>"blobdiff_plain",
3338                                               hash=>$hash, hash_parent=>$hash_parent,
3339                                               hash_base=>$hash_base, hash_parent_base=>$hash_parent_base,
3340                                               file_name=>$file_name, file_parent=>$file_parent)},
3341                                "raw");
3342                git_header_html(undef, $expires);
3343                if (defined $hash_base && (my %co = parse_commit($hash_base))) {
3344                        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
3345                        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
3346                } else {
3347                        print "<div class=\"page_nav\"><br/>$formats_nav<br/></div>\n";
3348                        print "<div class=\"title\">$hash vs $hash_parent</div>\n";
3349                }
3350                if (defined $file_name) {
3351                        git_print_page_path($file_name, "blob", $hash_base);
3352                } else {
3353                        print "<div class=\"page_path\"></div>\n";
3354                }
3355
3356        } elsif ($format eq 'plain') {
3357                print $cgi->header(
3358                        -type => 'text/plain',
3359                        -charset => 'utf-8',
3360                        -expires => $expires,
3361                        -content_disposition => 'inline; filename="' . "$file_name" . '.patch"');
3362
3363                print "X-Git-Url: " . $cgi->self_url() . "\n\n";
3364
3365        } else {
3366                die_error(undef, "Unknown blobdiff format");
3367        }
3368
3369        # patch
3370        if ($format eq 'html') {
3371                print "<div class=\"page_body\">\n";
3372
3373                git_patchset_body($fd, [ \%diffinfo ], $hash_base, $hash_parent_base);
3374                close $fd;
3375
3376                print "</div>\n"; # class="page_body"
3377                git_footer_html();
3378
3379        } else {
3380                while (my $line = <$fd>) {
3381                        $line =~ s!a/($hash|$hash_parent)!'a/'.esc_html($diffinfo{'from_file'})!eg;
3382                        $line =~ s!b/($hash|$hash_parent)!'b/'.esc_html($diffinfo{'to_file'})!eg;
3383
3384                        print $line;
3385
3386                        last if $line =~ m!^\+\+\+!;
3387                }
3388                local $/ = undef;
3389                print <$fd>;
3390                close $fd;
3391        }
3392}
3393
3394sub git_blobdiff_plain {
3395        git_blobdiff('plain');
3396}
3397
3398sub git_commitdiff {
3399        my $format = shift || 'html';
3400        my %co = parse_commit($hash);
3401        if (!%co) {
3402                die_error(undef, "Unknown commit object");
3403        }
3404
3405        # we need to prepare $formats_nav before any parameter munging
3406        my $formats_nav;
3407        if ($format eq 'html') {
3408                $formats_nav =
3409                        $cgi->a({-href => href(action=>"commitdiff_plain",
3410                                               hash=>$hash, hash_parent=>$hash_parent)},
3411                                "raw");
3412
3413                if (defined $hash_parent) {
3414                        # commitdiff with two commits given
3415                        my $hash_parent_short = $hash_parent;
3416                        if ($hash_parent =~ m/^[0-9a-fA-F]{40}$/) {
3417                                $hash_parent_short = substr($hash_parent, 0, 7);
3418                        }
3419                        $formats_nav .=
3420                                ' (from: ' .
3421                                $cgi->a({-href => href(action=>"commitdiff",
3422                                                       hash=>$hash_parent)},
3423                                        esc_html($hash_parent_short)) .
3424                                ')';
3425                } elsif (!$co{'parent'}) {
3426                        # --root commitdiff
3427                        $formats_nav .= ' (initial)';
3428                } elsif (scalar @{$co{'parents'}} == 1) {
3429                        # single parent commit
3430                        $formats_nav .=
3431                                ' (parent: ' .
3432                                $cgi->a({-href => href(action=>"commitdiff",
3433                                                       hash=>$co{'parent'})},
3434                                        esc_html(substr($co{'parent'}, 0, 7))) .
3435                                ')';
3436                } else {
3437                        # merge commit
3438                        $formats_nav .=
3439                                ' (merge: ' .
3440                                join(' ', map {
3441                                        $cgi->a({-href => href(action=>"commitdiff",
3442                                                               hash=>$_)},
3443                                                esc_html(substr($_, 0, 7)));
3444                                } @{$co{'parents'}} ) .
3445                                ')';
3446                }
3447        }
3448
3449        if (!defined $hash_parent) {
3450                $hash_parent = $co{'parent'} || '--root';
3451        }
3452
3453        # read commitdiff
3454        my $fd;
3455        my @difftree;
3456        if ($format eq 'html') {
3457                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3458                        "--no-commit-id", "--patch-with-raw", "--full-index",
3459                        $hash_parent, $hash, "--"
3460                        or die_error(undef, "Open git-diff-tree failed");
3461
3462                while (chomp(my $line = <$fd>)) {
3463                        # empty line ends raw part of diff-tree output
3464                        last unless $line;
3465                        push @difftree, $line;
3466                }
3467
3468        } elsif ($format eq 'plain') {
3469                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3470                        '-p', $hash_parent, $hash, "--"
3471                        or die_error(undef, "Open git-diff-tree failed");
3472
3473        } else {
3474                die_error(undef, "Unknown commitdiff format");
3475        }
3476
3477        # non-textual hash id's can be cached
3478        my $expires;
3479        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
3480                $expires = "+1d";
3481        }
3482
3483        # write commit message
3484        if ($format eq 'html') {
3485                my $refs = git_get_references();
3486                my $ref = format_ref_marker($refs, $co{'id'});
3487
3488                git_header_html(undef, $expires);
3489                git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
3490                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
3491                git_print_authorship(\%co);
3492                print "<div class=\"page_body\">\n";
3493                if (@{$co{'comment'}} > 1) {
3494                        print "<div class=\"log\">\n";
3495                        git_print_log($co{'comment'}, -final_empty_line=> 1, -remove_title => 1);
3496                        print "</div>\n"; # class="log"
3497                }
3498
3499        } elsif ($format eq 'plain') {
3500                my $refs = git_get_references("tags");
3501                my $tagname = git_get_rev_name_tags($hash);
3502                my $filename = basename($project) . "-$hash.patch";
3503
3504                print $cgi->header(
3505                        -type => 'text/plain',
3506                        -charset => 'utf-8',
3507                        -expires => $expires,
3508                        -content_disposition => 'inline; filename="' . "$filename" . '"');
3509                my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
3510                print <<TEXT;
3511From: $co{'author'}
3512Date: $ad{'rfc2822'} ($ad{'tz_local'})
3513Subject: $co{'title'}
3514TEXT
3515                print "X-Git-Tag: $tagname\n" if $tagname;
3516                print "X-Git-Url: " . $cgi->self_url() . "\n\n";
3517
3518                foreach my $line (@{$co{'comment'}}) {
3519                        print "$line\n";
3520                }
3521                print "---\n\n";
3522        }
3523
3524        # write patch
3525        if ($format eq 'html') {
3526                git_difftree_body(\@difftree, $hash, $hash_parent);
3527                print "<br/>\n";
3528
3529                git_patchset_body($fd, \@difftree, $hash, $hash_parent);
3530                close $fd;
3531                print "</div>\n"; # class="page_body"
3532                git_footer_html();
3533
3534        } elsif ($format eq 'plain') {
3535                local $/ = undef;
3536                print <$fd>;
3537                close $fd
3538                        or print "Reading git-diff-tree failed\n";
3539        }
3540}
3541
3542sub git_commitdiff_plain {
3543        git_commitdiff('plain');
3544}
3545
3546sub git_history {
3547        if (!defined $hash_base) {
3548                $hash_base = git_get_head_hash($project);
3549        }
3550        if (!defined $page) {
3551                $page = 0;
3552        }
3553        my $ftype;
3554        my %co = parse_commit($hash_base);
3555        if (!%co) {
3556                die_error(undef, "Unknown commit object");
3557        }
3558
3559        my $refs = git_get_references();
3560        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3561
3562        if (!defined $hash && defined $file_name) {
3563                $hash = git_get_hash_by_path($hash_base, $file_name);
3564        }
3565        if (defined $hash) {
3566                $ftype = git_get_type($hash);
3567        }
3568
3569        open my $fd, "-|",
3570                git_cmd(), "rev-list", $limit, "--full-history", $hash_base, "--", $file_name
3571                        or die_error(undef, "Open git-rev-list-failed");
3572        my @revlist = map { chomp; $_ } <$fd>;
3573        close $fd
3574                or die_error(undef, "Reading git-rev-list failed");
3575
3576        my $paging_nav = '';
3577        if ($page > 0) {
3578                $paging_nav .=
3579                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3580                                               file_name=>$file_name)},
3581                                "first");
3582                $paging_nav .= " &sdot; " .
3583                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3584                                               file_name=>$file_name, page=>$page-1),
3585                                 -accesskey => "p", -title => "Alt-p"}, "prev");
3586        } else {
3587                $paging_nav .= "first";
3588                $paging_nav .= " &sdot; prev";
3589        }
3590        if ($#revlist >= (100 * ($page+1)-1)) {
3591                $paging_nav .= " &sdot; " .
3592                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3593                                               file_name=>$file_name, page=>$page+1),
3594                                 -accesskey => "n", -title => "Alt-n"}, "next");
3595        } else {
3596                $paging_nav .= " &sdot; next";
3597        }
3598        my $next_link = '';
3599        if ($#revlist >= (100 * ($page+1)-1)) {
3600                $next_link =
3601                        $cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
3602                                               file_name=>$file_name, page=>$page+1),
3603                                 -title => "Alt-n"}, "next");
3604        }
3605
3606        git_header_html();
3607        git_print_page_nav('history','', $hash_base,$co{'tree'},$hash_base, $paging_nav);
3608        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
3609        git_print_page_path($file_name, $ftype, $hash_base);
3610
3611        git_history_body(\@revlist, ($page * 100), $#revlist,
3612                         $refs, $hash_base, $ftype, $next_link);
3613
3614        git_footer_html();
3615}
3616
3617sub git_search {
3618        if (!defined $searchtext) {
3619                die_error(undef, "Text field empty");
3620        }
3621        if (!defined $hash) {
3622                $hash = git_get_head_hash($project);
3623        }
3624        my %co = parse_commit($hash);
3625        if (!%co) {
3626                die_error(undef, "Unknown commit object");
3627        }
3628
3629        $searchtype ||= 'commit';
3630        if ($searchtype eq 'pickaxe') {
3631                # pickaxe may take all resources of your box and run for several minutes
3632                # with every query - so decide by yourself how public you make this feature
3633                my ($have_pickaxe) = gitweb_check_feature('pickaxe');
3634                if (!$have_pickaxe) {
3635                        die_error('403 Permission denied', "Permission denied");
3636                }
3637        }
3638
3639        git_header_html();
3640        git_print_page_nav('','', $hash,$co{'tree'},$hash);
3641        git_print_header_div('commit', esc_html($co{'title'}), $hash);
3642
3643        print "<table cellspacing=\"0\">\n";
3644        my $alternate = 1;
3645        if ($searchtype eq 'commit' or $searchtype eq 'author' or $searchtype eq 'committer') {
3646                $/ = "\0";
3647                open my $fd, "-|", git_cmd(), "rev-list",
3648                        "--header", "--parents", $hash, "--"
3649                        or next;
3650                while (my $commit_text = <$fd>) {
3651                        if (!grep m/$searchtext/i, $commit_text) {
3652                                next;
3653                        }
3654                        if ($searchtype eq 'author' && !grep m/\nauthor .*$searchtext/i, $commit_text) {
3655                                next;
3656                        }
3657                        if ($searchtype eq 'committer' && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
3658                                next;
3659                        }
3660                        my @commit_lines = split "\n", $commit_text;
3661                        my %co = parse_commit(undef, \@commit_lines);
3662                        if (!%co) {
3663                                next;
3664                        }
3665                        if ($alternate) {
3666                                print "<tr class=\"dark\">\n";
3667                        } else {
3668                                print "<tr class=\"light\">\n";
3669                        }
3670                        $alternate ^= 1;
3671                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3672                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3673                              "<td>" .
3674                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), -class => "list subject"},
3675                                       esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3676                        my $comment = $co{'comment'};
3677                        foreach my $line (@$comment) {
3678                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
3679                                        my $lead = esc_html($1) || "";
3680                                        $lead = chop_str($lead, 30, 10);
3681                                        my $match = esc_html($2) || "";
3682                                        my $trail = esc_html($3) || "";
3683                                        $trail = chop_str($trail, 30, 10);
3684                                        my $text = "$lead<span class=\"match\">$match</span>$trail";
3685                                        print chop_str($text, 80, 5) . "<br/>\n";
3686                                }
3687                        }
3688                        print "</td>\n" .
3689                              "<td class=\"link\">" .
3690                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3691                              " | " .
3692                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3693                        print "</td>\n" .
3694                              "</tr>\n";
3695                }
3696                close $fd;
3697        }
3698
3699        if ($searchtype eq 'pickaxe') {
3700                $/ = "\n";
3701                my $git_command = git_cmd_str();
3702                open my $fd, "-|", "$git_command rev-list $hash | " .
3703                        "$git_command diff-tree -r --stdin -S\'$searchtext\'";
3704                undef %co;
3705                my @files;
3706                while (my $line = <$fd>) {
3707                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
3708                                my %set;
3709                                $set{'file'} = $6;
3710                                $set{'from_id'} = $3;
3711                                $set{'to_id'} = $4;
3712                                $set{'id'} = $set{'to_id'};
3713                                if ($set{'id'} =~ m/0{40}/) {
3714                                        $set{'id'} = $set{'from_id'};
3715                                }
3716                                if ($set{'id'} =~ m/0{40}/) {
3717                                        next;
3718                                }
3719                                push @files, \%set;
3720                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
3721                                if (%co) {
3722                                        if ($alternate) {
3723                                                print "<tr class=\"dark\">\n";
3724                                        } else {
3725                                                print "<tr class=\"light\">\n";
3726                                        }
3727                                        $alternate ^= 1;
3728                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
3729                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
3730                                              "<td>" .
3731                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}),
3732                                                      -class => "list subject"},
3733                                                      esc_html(chop_str($co{'title'}, 50)) . "<br/>");
3734                                        while (my $setref = shift @files) {
3735                                                my %set = %$setref;
3736                                                print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
3737                                                                             hash=>$set{'id'}, file_name=>$set{'file'}),
3738                                                              -class => "list"},
3739                                                              "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
3740                                                      "<br/>\n";
3741                                        }
3742                                        print "</td>\n" .
3743                                              "<td class=\"link\">" .
3744                                              $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
3745                                              " | " .
3746                                              $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
3747                                        print "</td>\n" .
3748                                              "</tr>\n";
3749                                }
3750                                %co = parse_commit($1);
3751                        }
3752                }
3753                close $fd;
3754        }
3755        print "</table>\n";
3756        git_footer_html();
3757}
3758
3759sub git_search_help {
3760        git_header_html();
3761        git_print_page_nav('','', $hash,$hash,$hash);
3762        print <<EOT;
3763<dl>
3764<dt><b>commit</b></dt>
3765<dd>The commit messages and authorship information will be scanned for the given string.</dd>
3766<dt><b>author</b></dt>
3767<dd>Name and e-mail of the change author and date of birth of the patch will be scanned for the given string.</dd>
3768<dt><b>committer</b></dt>
3769<dd>Name and e-mail of the committer and date of commit will be scanned for the given string.</dd>
3770EOT
3771        my ($have_pickaxe) = gitweb_check_feature('pickaxe');
3772        if ($have_pickaxe) {
3773                print <<EOT;
3774<dt><b>pickaxe</b></dt>
3775<dd>All commits that caused the string to appear or disappear from any file (changes that
3776added, removed or "modified" the string) will be listed. This search can take a while and
3777takes a lot of strain on the server, so please use it wisely.</dd>
3778EOT
3779        }
3780        print "</dl>\n";
3781        git_footer_html();
3782}
3783
3784sub git_shortlog {
3785        my $head = git_get_head_hash($project);
3786        if (!defined $hash) {
3787                $hash = $head;
3788        }
3789        if (!defined $page) {
3790                $page = 0;
3791        }
3792        my $refs = git_get_references();
3793
3794        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
3795        open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash, "--"
3796                or die_error(undef, "Open git-rev-list failed");
3797        my @revlist = map { chomp; $_ } <$fd>;
3798        close $fd;
3799
3800        my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#revlist);
3801        my $next_link = '';
3802        if ($#revlist >= (100 * ($page+1)-1)) {
3803                $next_link =
3804                        $cgi->a({-href => href(action=>"shortlog", hash=>$hash, page=>$page+1),
3805                                 -title => "Alt-n"}, "next");
3806        }
3807
3808
3809        git_header_html();
3810        git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
3811        git_print_header_div('summary', $project);
3812
3813        git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
3814
3815        git_footer_html();
3816}
3817
3818## ......................................................................
3819## feeds (RSS, OPML)
3820
3821sub git_rss {
3822        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
3823        open my $fd, "-|", git_cmd(), "rev-list", "--max-count=150",
3824                git_get_head_hash($project), "--"
3825                or die_error(undef, "Open git-rev-list failed");
3826        my @revlist = map { chomp; $_ } <$fd>;
3827        close $fd or die_error(undef, "Reading git-rev-list failed");
3828        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3829        print <<XML;
3830<?xml version="1.0" encoding="utf-8"?>
3831<rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
3832<channel>
3833<title>$project $my_uri $my_url</title>
3834<link>${\esc_html("$my_url?p=$project;a=summary")}</link>
3835<description>$project log</description>
3836<language>en</language>
3837XML
3838
3839        for (my $i = 0; $i <= $#revlist; $i++) {
3840                my $commit = $revlist[$i];
3841                my %co = parse_commit($commit);
3842                # we read 150, we always show 30 and the ones more recent than 48 hours
3843                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
3844                        last;
3845                }
3846                my %cd = parse_date($co{'committer_epoch'});
3847                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
3848                        $co{'parent'}, $co{'id'}, "--"
3849                        or next;
3850                my @difftree = map { chomp; $_ } <$fd>;
3851                close $fd
3852                        or next;
3853                print "<item>\n" .
3854                      "<title>" .
3855                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
3856                      "</title>\n" .
3857                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
3858                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
3859                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
3860                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
3861                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
3862                      "<content:encoded>" .
3863                      "<![CDATA[\n";
3864                my $comment = $co{'comment'};
3865                foreach my $line (@$comment) {
3866                        $line = to_utf8($line);
3867                        print "$line<br/>\n";
3868                }
3869                print "<br/>\n";
3870                foreach my $line (@difftree) {
3871                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
3872                                next;
3873                        }
3874                        my $file = esc_html(unquote($7));
3875                        $file = to_utf8($file);
3876                        print "$file<br/>\n";
3877                }
3878                print "]]>\n" .
3879                      "</content:encoded>\n" .
3880                      "</item>\n";
3881        }
3882        print "</channel></rss>";
3883}
3884
3885sub git_opml {
3886        my @list = git_get_projects_list();
3887
3888        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
3889        print <<XML;
3890<?xml version="1.0" encoding="utf-8"?>
3891<opml version="1.0">
3892<head>
3893  <title>$site_name OPML Export</title>
3894</head>
3895<body>
3896<outline text="git RSS feeds">
3897XML
3898
3899        foreach my $pr (@list) {
3900                my %proj = %$pr;
3901                my $head = git_get_head_hash($proj{'path'});
3902                if (!defined $head) {
3903                        next;
3904                }
3905                $git_dir = "$projectroot/$proj{'path'}";
3906                my %co = parse_commit($head);
3907                if (!%co) {
3908                        next;
3909                }
3910
3911                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
3912                my $rss  = "$my_url?p=$proj{'path'};a=rss";
3913                my $html = "$my_url?p=$proj{'path'};a=summary";
3914                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
3915        }
3916        print <<XML;
3917</outline>
3918</body>
3919</opml>
3920XML
3921}