Andrew's git - gitweb.git/blob

   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();
  18binmode STDOUT, ':utf8';
  19
  20our $cgi = new CGI;
  21our $version = "267";
  22our $my_url = $cgi->url();
  23our $my_uri = $cgi->url(-absolute => 1);
  24our $rss_link = "";
  25
  26# core git executable to use
  27# this can just be "git" if your webserver has a sensible PATH
  28our $GIT = "/usr/bin/git";
  29
  30# absolute fs-path which will be prepended to the project path
  31#our $projectroot = "/pub/scm";
  32our $projectroot = "/home/kay/public_html/pub/scm";
  33
  34# version of the core git binary
  35our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
  36
  37# location for temporary files needed for diffs
  38our $git_temp = "/tmp/gitweb";
  39if (! -d $git_temp) {
  40        mkdir($git_temp, 0700) || die_error("Couldn't mkdir $git_temp");
  41}
  42
  43# target of the home link on top of all pages
  44our $home_link = $my_uri;
  45
  46# name of your site or organization to appear in page titles
  47# replace this with something more descriptive for clearer bookmarks
  48our $site_name = $ENV{'SERVER_NAME'} || "Untitled";
  49
  50# html text to include at home page
  51our $home_text = "indextext.html";
  52
  53# URI of default stylesheet
  54our $stylesheet = "gitweb.css";
  55
  56# source of projects list
  57#our $projects_list = $projectroot;
  58our $projects_list = "index/index.aux";
  59
  60# default blob_plain mimetype and default charset for text/plain blob
  61our $default_blob_plain_mimetype = 'text/plain';
  62our $default_text_plain_charset  = undef;
  63
  64# file to use for guessing MIME types before trying /etc/mime.types
  65# (relative to the current git repository)
  66our $mimetypes_file = undef;
  67
  68# input validation and dispatch
  69our $action = $cgi->param('a');
  70if (defined $action) {
  71        if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
  72                undef $action;
  73                die_error(undef, "Invalid action parameter.");
  74        }
  75        if ($action eq "git-logo.png") {
  76                git_logo();
  77                exit;
  78        } elsif ($action eq "opml") {
  79                git_opml();
  80                exit;
  81        }
  82}
  83
  84our $project = ($cgi->param('p') || $ENV{'PATH_INFO'});
  85if (defined $project) {
  86        $project =~ s|^/||; $project =~ s|/$||;
  87        $project = validate_input($project);
  88        if (!defined($project)) {
  89                die_error(undef, "Invalid project parameter.");
  90        }
  91        if (!(-d "$projectroot/$project")) {
  92                undef $project;
  93                die_error(undef, "No such directory.");
  94        }
  95        if (!(-e "$projectroot/$project/HEAD")) {
  96                undef $project;
  97                die_error(undef, "No such project.");
  98        }
  99        $rss_link = "<link rel=\"alternate\" title=\"" . esc_param($project) . " log\" href=\"" .
 100                    "$my_uri?" . esc_param("p=$project;a=rss") . "\" type=\"application/rss+xml\"/>";
 101        $ENV{'GIT_DIR'} = "$projectroot/$project";
 102} else {
 103        git_project_list();
 104        exit;
 105}
 106
 107our $file_name = $cgi->param('f');
 108if (defined $file_name) {
 109        $file_name = validate_input($file_name);
 110        if (!defined($file_name)) {
 111                die_error(undef, "Invalid file parameter.");
 112        }
 113}
 114
 115our $hash = $cgi->param('h');
 116if (defined $hash) {
 117        $hash = validate_input($hash);
 118        if (!defined($hash)) {
 119                die_error(undef, "Invalid hash parameter.");
 120        }
 121}
 122
 123our $hash_parent = $cgi->param('hp');
 124if (defined $hash_parent) {
 125        $hash_parent = validate_input($hash_parent);
 126        if (!defined($hash_parent)) {
 127                die_error(undef, "Invalid hash parent parameter.");
 128        }
 129}
 130
 131our $hash_base = $cgi->param('hb');
 132if (defined $hash_base) {
 133        $hash_base = validate_input($hash_base);
 134        if (!defined($hash_base)) {
 135                die_error(undef, "Invalid hash base parameter.");
 136        }
 137}
 138
 139our $page = $cgi->param('pg');
 140if (defined $page) {
 141        if ($page =~ m/[^0-9]$/) {
 142                undef $page;
 143                die_error(undef, "Invalid page parameter.");
 144        }
 145}
 146
 147our $searchtext = $cgi->param('s');
 148if (defined $searchtext) {
 149        if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 150                undef $searchtext;
 151                die_error(undef, "Invalid search parameter.");
 152        }
 153        $searchtext = quotemeta $searchtext;
 154}
 155
 156# dispatch
 157my %actions = (
 158        "blame" => \&git_blame2,
 159        "blobdiff" => \&git_blobdiff,
 160        "blobdiff_plain" => \&git_blobdiff_plain,
 161        "blob" => \&git_blob,
 162        "blob_plain" => \&git_blob_plain,
 163        "commitdiff" => \&git_commitdiff,
 164        "commitdiff_plain" => \&git_commitdiff_plain,
 165        "commit" => \&git_commit,
 166        "heads" => \&git_heads,
 167        "history" => \&git_history,
 168        "log" => \&git_log,
 169        "rss" => \&git_rss,
 170        "search" => \&git_search,
 171        "shortlog" => \&git_shortlog,
 172        "summary" => \&git_summary,
 173        "tag" => \&git_tag,
 174        "tags" => \&git_tags,
 175        "tree" => \&git_tree,
 176);
 177
 178$action = 'summary' if (!defined($action));
 179if (!defined($actions{$action})) {
 180        undef $action;
 181        die_error(undef, "Unknown action.");
 182}
 183$actions{$action}->();
 184exit;
 185
 186## ======================================================================
 187## validation, quoting/unquoting and escaping
 188
 189sub validate_input {
 190        my $input = shift;
 191
 192        if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 193                return $input;
 194        }
 195        if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 196                return undef;
 197        }
 198        if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
 199                return undef;
 200        }
 201        return $input;
 202}
 203
 204# quote unsafe chars, but keep the slash, even when it's not
 205# correct, but quoted slashes look too horrible in bookmarks
 206sub esc_param {
 207        my $str = shift;
 208        $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 209        $str =~ s/\+/%2B/g;
 210        $str =~ s/ /\+/g;
 211        return $str;
 212}
 213
 214# replace invalid utf8 character with SUBSTITUTION sequence
 215sub esc_html {
 216        my $str = shift;
 217        $str = decode("utf8", $str, Encode::FB_DEFAULT);
 218        $str = escapeHTML($str);
 219        $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
 220        return $str;
 221}
 222
 223# git may return quoted and escaped filenames
 224sub unquote {
 225        my $str = shift;
 226        if ($str =~ m/^"(.*)"$/) {
 227                $str = $1;
 228                $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 229        }
 230        return $str;
 231}
 232
 233## ----------------------------------------------------------------------
 234## HTML aware string manipulation
 235
 236sub chop_str {
 237        my $str = shift;
 238        my $len = shift;
 239        my $add_len = shift || 10;
 240
 241        # allow only $len chars, but don't cut a word if it would fit in $add_len
 242        # if it doesn't fit, cut it if it's still longer than the dots we would add
 243        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 244        my $body = $1;
 245        my $tail = $2;
 246        if (length($tail) > 4) {
 247                $tail = " ...";
 248                $body =~ s/&[^;]*$//; # remove chopped character entities
 249        }
 250        return "$body$tail";
 251}
 252
 253## ----------------------------------------------------------------------
 254## functions returning short strings
 255
 256# CSS class for given age value (in seconds)
 257sub age_class {
 258        my $age = shift;
 259
 260        if ($age < 60*60*2) {
 261                return "age0";
 262        } elsif ($age < 60*60*24*2) {
 263                return "age1";
 264        } else {
 265                return "age2";
 266        }
 267}
 268
 269# convert age in seconds to "nn units ago" string
 270sub age_string {
 271        my $age = shift;
 272        my $age_str;
 273
 274        if ($age > 60*60*24*365*2) {
 275                $age_str = (int $age/60/60/24/365);
 276                $age_str .= " years ago";
 277        } elsif ($age > 60*60*24*(365/12)*2) {
 278                $age_str = int $age/60/60/24/(365/12);
 279                $age_str .= " months ago";
 280        } elsif ($age > 60*60*24*7*2) {
 281                $age_str = int $age/60/60/24/7;
 282                $age_str .= " weeks ago";
 283        } elsif ($age > 60*60*24*2) {
 284                $age_str = int $age/60/60/24;
 285                $age_str .= " days ago";
 286        } elsif ($age > 60*60*2) {
 287                $age_str = int $age/60/60;
 288                $age_str .= " hours ago";
 289        } elsif ($age > 60*2) {
 290                $age_str = int $age/60;
 291                $age_str .= " min ago";
 292        } elsif ($age > 2) {
 293                $age_str = int $age;
 294                $age_str .= " sec ago";
 295        } else {
 296                $age_str .= " right now";
 297        }
 298        return $age_str;
 299}
 300
 301# convert file mode in octal to symbolic file mode string
 302sub mode_str {
 303        my $mode = oct shift;
 304
 305        if (S_ISDIR($mode & S_IFMT)) {
 306                return 'drwxr-xr-x';
 307        } elsif (S_ISLNK($mode)) {
 308                return 'lrwxrwxrwx';
 309        } elsif (S_ISREG($mode)) {
 310                # git cares only about the executable bit
 311                if ($mode & S_IXUSR) {
 312                        return '-rwxr-xr-x';
 313                } else {
 314                        return '-rw-r--r--';
 315                };
 316        } else {
 317                return '----------';
 318        }
 319}
 320
 321# convert file mode in octal to file type string
 322sub file_type {
 323        my $mode = oct shift;
 324
 325        if (S_ISDIR($mode & S_IFMT)) {
 326                return "directory";
 327        } elsif (S_ISLNK($mode)) {
 328                return "symlink";
 329        } elsif (S_ISREG($mode)) {
 330                return "file";
 331        } else {
 332                return "unknown";
 333        }
 334}
 335
 336## ----------------------------------------------------------------------
 337## functions returning short HTML fragments, or transforming HTML fragments
 338## which don't beling to other sections
 339
 340# format line of commit message or tag comment
 341sub format_log_line_html {
 342        my $line = shift;
 343
 344        $line = esc_html($line);
 345        $line =~ s/ /&nbsp;/g;
 346        if ($line =~ m/([0-9a-fA-F]{40})/) {
 347                my $hash_text = $1;
 348                if (git_get_type($hash_text) eq "commit") {
 349                        my $link = $cgi->a({-class => "text", -href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_text")}, $hash_text);
 350                        $line =~ s/$hash_text/$link/;
 351                }
 352        }
 353        return $line;
 354}
 355
 356# format marker of refs pointing to given object
 357sub git_get_referencing {
 358        my ($refs, $id) = @_;
 359
 360        if (defined $refs->{$id}) {
 361                return ' <span class="tag">' . esc_html($refs->{$id}) . '</span>';
 362        } else {
 363                return "";
 364        }
 365}
 366
 367## ----------------------------------------------------------------------
 368## git utility subroutines, invoking git commands
 369
 370# get HEAD ref of given project as hash
 371sub git_read_head {
 372        my $project = shift;
 373        my $oENV = $ENV{'GIT_DIR'};
 374        my $retval = undef;
 375        $ENV{'GIT_DIR'} = "$projectroot/$project";
 376        if (open my $fd, "-|", $GIT, "rev-parse", "--verify", "HEAD") {
 377                my $head = <$fd>;
 378                close $fd;
 379                if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 380                        $retval = $1;
 381                }
 382        }
 383        if (defined $oENV) {
 384                $ENV{'GIT_DIR'} = $oENV;
 385        }
 386        return $retval;
 387}
 388
 389# get type of given object
 390sub git_get_type {
 391        my $hash = shift;
 392
 393        open my $fd, "-|", $GIT, "cat-file", '-t', $hash or return;
 394        my $type = <$fd>;
 395        close $fd or return;
 396        chomp $type;
 397        return $type;
 398}
 399
 400sub git_get_project_config {
 401        my $key = shift;
 402
 403        return unless ($key);
 404        $key =~ s/^gitweb\.//;
 405        return if ($key =~ m/\W/);
 406
 407        my $val = qx($GIT repo-config --get gitweb.$key);
 408        return ($val);
 409}
 410
 411sub git_get_project_config_bool {
 412        my $val = git_get_project_config (@_);
 413        if ($val and $val =~ m/true|yes|on/) {
 414                return (1);
 415        }
 416        return; # implicit false
 417}
 418
 419# get hash of given path at given ref
 420sub git_get_hash_by_path {
 421        my $base = shift;
 422        my $path = shift || return undef;
 423
 424        my $tree = $base;
 425
 426        open my $fd, "-|", $GIT, "ls-tree", $base, "--", $path
 427                or die_error(undef, "Open git-ls-tree failed.");
 428        my $line = <$fd>;
 429        close $fd or return undef;
 430
 431        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
 432        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
 433        return $3;
 434}
 435
 436## ......................................................................
 437## git utility functions, directly accessing git repository
 438
 439# assumes that PATH is not symref
 440sub git_read_hash {
 441        my $path = shift;
 442
 443        open my $fd, "$projectroot/$path" or return undef;
 444        my $head = <$fd>;
 445        close $fd;
 446        chomp $head;
 447        if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 448                return $head;
 449        }
 450}
 451
 452sub git_read_description {
 453        my $path = shift;
 454
 455        open my $fd, "$projectroot/$path/description" or return undef;
 456        my $descr = <$fd>;
 457        close $fd;
 458        chomp $descr;
 459        return $descr;
 460}
 461
 462sub git_read_projects {
 463        my @list;
 464
 465        if (-d $projects_list) {
 466                # search in directory
 467                my $dir = $projects_list;
 468                opendir my ($dh), $dir or return undef;
 469                while (my $dir = readdir($dh)) {
 470                        if (-e "$projectroot/$dir/HEAD") {
 471                                my $pr = {
 472                                        path => $dir,
 473                                };
 474                                push @list, $pr
 475                        }
 476                }
 477                closedir($dh);
 478        } elsif (-f $projects_list) {
 479                # read from file(url-encoded):
 480                # 'git%2Fgit.git Linus+Torvalds'
 481                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 482                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 483                open my ($fd), $projects_list or return undef;
 484                while (my $line = <$fd>) {
 485                        chomp $line;
 486                        my ($path, $owner) = split ' ', $line;
 487                        $path = unescape($path);
 488                        $owner = unescape($owner);
 489                        if (!defined $path) {
 490                                next;
 491                        }
 492                        if (-e "$projectroot/$path/HEAD") {
 493                                my $pr = {
 494                                        path => $path,
 495                                        owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 496                                };
 497                                push @list, $pr
 498                        }
 499                }
 500                close $fd;
 501        }
 502        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 503        return @list;
 504}
 505
 506sub read_info_ref {
 507        my $type = shift || "";
 508        my %refs;
 509        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 510        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 511        open my $fd, "$projectroot/$project/info/refs" or return;
 512        while (my $line = <$fd>) {
 513                chomp $line;
 514                # attention: for $type == "" it saves only last path part of ref name
 515                # e.g. from 'refs/heads/jn/gitweb' it would leave only 'gitweb'
 516                if ($line =~ m/^([0-9a-fA-F]{40})\t.*$type\/([^\^]+)/) {
 517                        if (defined $refs{$1}) {
 518                                $refs{$1} .= " / $2";
 519                        } else {
 520                                $refs{$1} = $2;
 521                        }
 522                }
 523        }
 524        close $fd or return;
 525        return \%refs;
 526}
 527
 528## ----------------------------------------------------------------------
 529## parse to hash functions
 530
 531sub date_str {
 532        my $epoch = shift;
 533        my $tz = shift || "-0000";
 534
 535        my %date;
 536        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 537        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 538        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 539        $date{'hour'} = $hour;
 540        $date{'minute'} = $min;
 541        $date{'mday'} = $mday;
 542        $date{'day'} = $days[$wday];
 543        $date{'month'} = $months[$mon];
 544        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 545        $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 546
 547        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 548        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 549        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 550        $date{'hour_local'} = $hour;
 551        $date{'minute_local'} = $min;
 552        $date{'tz_local'} = $tz;
 553        return %date;
 554}
 555
 556sub git_read_tag {
 557        my $tag_id = shift;
 558        my %tag;
 559        my @comment;
 560
 561        open my $fd, "-|", $GIT, "cat-file", "tag", $tag_id or return;
 562        $tag{'id'} = $tag_id;
 563        while (my $line = <$fd>) {
 564                chomp $line;
 565                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 566                        $tag{'object'} = $1;
 567                } elsif ($line =~ m/^type (.+)$/) {
 568                        $tag{'type'} = $1;
 569                } elsif ($line =~ m/^tag (.+)$/) {
 570                        $tag{'name'} = $1;
 571                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 572                        $tag{'author'} = $1;
 573                        $tag{'epoch'} = $2;
 574                        $tag{'tz'} = $3;
 575                } elsif ($line =~ m/--BEGIN/) {
 576                        push @comment, $line;
 577                        last;
 578                } elsif ($line eq "") {
 579                        last;
 580                }
 581        }
 582        push @comment, <$fd>;
 583        $tag{'comment'} = \@comment;
 584        close $fd or return;
 585        if (!defined $tag{'name'}) {
 586                return
 587        };
 588        return %tag
 589}
 590
 591sub git_read_commit {
 592        my $commit_id = shift;
 593        my $commit_text = shift;
 594
 595        my @commit_lines;
 596        my %co;
 597
 598        if (defined $commit_text) {
 599                @commit_lines = @$commit_text;
 600        } else {
 601                $/ = "\0";
 602                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", "--max-count=1", $commit_id or return;
 603                @commit_lines = split '\n', <$fd>;
 604                close $fd or return;
 605                $/ = "\n";
 606                pop @commit_lines;
 607        }
 608        my $header = shift @commit_lines;
 609        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 610                return;
 611        }
 612        ($co{'id'}, my @parents) = split ' ', $header;
 613        $co{'parents'} = \@parents;
 614        $co{'parent'} = $parents[0];
 615        while (my $line = shift @commit_lines) {
 616                last if $line eq "\n";
 617                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 618                        $co{'tree'} = $1;
 619                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 620                        $co{'author'} = $1;
 621                        $co{'author_epoch'} = $2;
 622                        $co{'author_tz'} = $3;
 623                        if ($co{'author'} =~ m/^([^<]+) </) {
 624                                $co{'author_name'} = $1;
 625                        } else {
 626                                $co{'author_name'} = $co{'author'};
 627                        }
 628                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 629                        $co{'committer'} = $1;
 630                        $co{'committer_epoch'} = $2;
 631                        $co{'committer_tz'} = $3;
 632                        $co{'committer_name'} = $co{'committer'};
 633                        $co{'committer_name'} =~ s/ <.*//;
 634                }
 635        }
 636        if (!defined $co{'tree'}) {
 637                return;
 638        };
 639
 640        foreach my $title (@commit_lines) {
 641                $title =~ s/^    //;
 642                if ($title ne "") {
 643                        $co{'title'} = chop_str($title, 80, 5);
 644                        # remove leading stuff of merges to make the interesting part visible
 645                        if (length($title) > 50) {
 646                                $title =~ s/^Automatic //;
 647                                $title =~ s/^merge (of|with) /Merge ... /i;
 648                                if (length($title) > 50) {
 649                                        $title =~ s/(http|rsync):\/\///;
 650                                }
 651                                if (length($title) > 50) {
 652                                        $title =~ s/(master|www|rsync)\.//;
 653                                }
 654                                if (length($title) > 50) {
 655                                        $title =~ s/kernel.org:?//;
 656                                }
 657                                if (length($title) > 50) {
 658                                        $title =~ s/\/pub\/scm//;
 659                                }
 660                        }
 661                        $co{'title_short'} = chop_str($title, 50, 5);
 662                        last;
 663                }
 664        }
 665        # remove added spaces
 666        foreach my $line (@commit_lines) {
 667                $line =~ s/^    //;
 668        }
 669        $co{'comment'} = \@commit_lines;
 670
 671        my $age = time - $co{'committer_epoch'};
 672        $co{'age'} = $age;
 673        $co{'age_string'} = age_string($age);
 674        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 675        if ($age > 60*60*24*7*2) {
 676                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 677                $co{'age_string_age'} = $co{'age_string'};
 678        } else {
 679                $co{'age_string_date'} = $co{'age_string'};
 680                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 681        }
 682        return %co;
 683}
 684
 685## ......................................................................
 686## parse to array of hashes functions
 687
 688sub git_read_refs {
 689        my $ref_dir = shift;
 690        my @reflist;
 691
 692        my @refs;
 693        my $pfxlen = length("$projectroot/$project/$ref_dir");
 694        File::Find::find(sub {
 695                return if (/^\./);
 696                if (-f $_) {
 697                        push @refs, substr($File::Find::name, $pfxlen + 1);
 698                }
 699        }, "$projectroot/$project/$ref_dir");
 700
 701        foreach my $ref_file (@refs) {
 702                my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 703                my $type = git_get_type($ref_id) || next;
 704                my %ref_item;
 705                my %co;
 706                $ref_item{'type'} = $type;
 707                $ref_item{'id'} = $ref_id;
 708                $ref_item{'epoch'} = 0;
 709                $ref_item{'age'} = "unknown";
 710                if ($type eq "tag") {
 711                        my %tag = git_read_tag($ref_id);
 712                        $ref_item{'comment'} = $tag{'comment'};
 713                        if ($tag{'type'} eq "commit") {
 714                                %co = git_read_commit($tag{'object'});
 715                                $ref_item{'epoch'} = $co{'committer_epoch'};
 716                                $ref_item{'age'} = $co{'age_string'};
 717                        } elsif (defined($tag{'epoch'})) {
 718                                my $age = time - $tag{'epoch'};
 719                                $ref_item{'epoch'} = $tag{'epoch'};
 720                                $ref_item{'age'} = age_string($age);
 721                        }
 722                        $ref_item{'reftype'} = $tag{'type'};
 723                        $ref_item{'name'} = $tag{'name'};
 724                        $ref_item{'refid'} = $tag{'object'};
 725                } elsif ($type eq "commit"){
 726                        %co = git_read_commit($ref_id);
 727                        $ref_item{'reftype'} = "commit";
 728                        $ref_item{'name'} = $ref_file;
 729                        $ref_item{'title'} = $co{'title'};
 730                        $ref_item{'refid'} = $ref_id;
 731                        $ref_item{'epoch'} = $co{'committer_epoch'};
 732                        $ref_item{'age'} = $co{'age_string'};
 733                } else {
 734                        $ref_item{'reftype'} = $type;
 735                        $ref_item{'name'} = $ref_file;
 736                        $ref_item{'refid'} = $ref_id;
 737                }
 738
 739                push @reflist, \%ref_item;
 740        }
 741        # sort tags by age
 742        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
 743        return \@reflist;
 744}
 745
 746## ----------------------------------------------------------------------
 747## filesystem-related functions
 748
 749sub get_file_owner {
 750        my $path = shift;
 751
 752        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 753        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 754        if (!defined $gcos) {
 755                return undef;
 756        }
 757        my $owner = $gcos;
 758        $owner =~ s/[,;].*$//;
 759        return decode("utf8", $owner, Encode::FB_DEFAULT);
 760}
 761
 762## ......................................................................
 763## mimetype related functions
 764
 765sub mimetype_guess_file {
 766        my $filename = shift;
 767        my $mimemap = shift;
 768        -r $mimemap or return undef;
 769
 770        my %mimemap;
 771        open(MIME, $mimemap) or return undef;
 772        while (<MIME>) {
 773                my ($mime, $exts) = split(/\t+/);
 774                if (defined $exts) {
 775                        my @exts = split(/\s+/, $exts);
 776                        foreach my $ext (@exts) {
 777                                $mimemap{$ext} = $mime;
 778                        }
 779                }
 780        }
 781        close(MIME);
 782
 783        $filename =~ /\.(.*?)$/;
 784        return $mimemap{$1};
 785}
 786
 787sub mimetype_guess {
 788        my $filename = shift;
 789        my $mime;
 790        $filename =~ /\./ or return undef;
 791
 792        if ($mimetypes_file) {
 793                my $file = $mimetypes_file;
 794                #$file =~ m#^/# or $file = "$projectroot/$path/$file";
 795                $mime = mimetype_guess_file($filename, $file);
 796        }
 797        $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
 798        return $mime;
 799}
 800
 801sub git_blob_plain_mimetype {
 802        my $fd = shift;
 803        my $filename = shift;
 804
 805        if ($filename) {
 806                my $mime = mimetype_guess($filename);
 807                $mime and return $mime;
 808        }
 809
 810        # just in case
 811        return $default_blob_plain_mimetype unless $fd;
 812
 813        if (-T $fd) {
 814                return 'text/plain' .
 815                       ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
 816        } elsif (! $filename) {
 817                return 'application/octet-stream';
 818        } elsif ($filename =~ m/\.png$/i) {
 819                return 'image/png';
 820        } elsif ($filename =~ m/\.gif$/i) {
 821                return 'image/gif';
 822        } elsif ($filename =~ m/\.jpe?g$/i) {
 823                return 'image/jpeg';
 824        } else {
 825                return 'application/octet-stream';
 826        }
 827}
 828
 829## ======================================================================
 830## functions printing HTML: header, footer, error page
 831
 832sub git_header_html {
 833        my $status = shift || "200 OK";
 834        my $expires = shift;
 835
 836        my $title = "$site_name git";
 837        if (defined $project) {
 838                $title .= " - $project";
 839                if (defined $action) {
 840                        $title .= "/$action";
 841                        if (defined $file_name) {
 842                                $title .= " - $file_name";
 843                                if ($action eq "tree" && $file_name !~ m|/$|) {
 844                                        $title .= "/";
 845                                }
 846                        }
 847                }
 848        }
 849        my $content_type;
 850        # require explicit support from the UA if we are to send the page as
 851        # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
 852        # we have to do this because MSIE sometimes globs '*/*', pretending to
 853        # support xhtml+xml but choking when it gets what it asked for.
 854        if ($cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ && $cgi->Accept('application/xhtml+xml') != 0) {
 855                $content_type = 'application/xhtml+xml';
 856        } else {
 857                $content_type = 'text/html';
 858        }
 859        print $cgi->header(-type=>$content_type, -charset => 'utf-8', -status=> $status, -expires => $expires);
 860        print <<EOF;
 861<?xml version="1.0" encoding="utf-8"?>
 862<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 863<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 864<!-- git web interface v$version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
 865<!-- git core binaries version $git_version -->
 866<head>
 867<meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
 868<meta name="robots" content="index, nofollow"/>
 869<title>$title</title>
 870<link rel="stylesheet" type="text/css" href="$stylesheet"/>
 871$rss_link
 872</head>
 873<body>
 874EOF
 875        print "<div class=\"page_header\">\n" .
 876              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 877              "<img src=\"$my_uri?" . esc_param("a=git-logo.png") . "\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 878              "</a>\n";
 879        print $cgi->a({-href => esc_param($home_link)}, "projects") . " / ";
 880        if (defined $project) {
 881                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, esc_html($project));
 882                if (defined $action) {
 883                        print " / $action";
 884                }
 885                print "\n";
 886                if (!defined $searchtext) {
 887                        $searchtext = "";
 888                }
 889                my $search_hash;
 890                if (defined $hash_base) {
 891                        $search_hash = $hash_base;
 892                } elsif (defined $hash) {
 893                        $search_hash = $hash;
 894                } else {
 895                        $search_hash = "HEAD";
 896                }
 897                $cgi->param("a", "search");
 898                $cgi->param("h", $search_hash);
 899                print $cgi->startform(-method => "get", -action => $my_uri) .
 900                      "<div class=\"search\">\n" .
 901                      $cgi->hidden(-name => "p") . "\n" .
 902                      $cgi->hidden(-name => "a") . "\n" .
 903                      $cgi->hidden(-name => "h") . "\n" .
 904                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 905                      "</div>" .
 906                      $cgi->end_form() . "\n";
 907        }
 908        print "</div>\n";
 909}
 910
 911sub git_footer_html {
 912        print "<div class=\"page_footer\">\n";
 913        if (defined $project) {
 914                my $descr = git_read_description($project);
 915                if (defined $descr) {
 916                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
 917                }
 918                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=rss"), -class => "rss_logo"}, "RSS") . "\n";
 919        } else {
 920                print $cgi->a({-href => "$my_uri?" . esc_param("a=opml"), -class => "rss_logo"}, "OPML") . "\n";
 921        }
 922        print "</div>\n" .
 923              "</body>\n" .
 924              "</html>";
 925}
 926
 927sub die_error {
 928        my $status = shift || "403 Forbidden";
 929        my $error = shift || "Malformed query, file missing or permission denied";
 930
 931        git_header_html($status);
 932        print "<div class=\"page_body\">\n" .
 933              "<br/><br/>\n" .
 934              "$status - $error\n" .
 935              "<br/>\n" .
 936              "</div>\n";
 937        git_footer_html();
 938        exit;
 939}
 940
 941## ----------------------------------------------------------------------
 942## functions printing or outputting HTML: navigation
 943
 944sub git_page_nav {
 945        my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
 946        $extra = '' if !defined $extra; # pager or formats
 947
 948        my @navs = qw(summary shortlog log commit commitdiff tree);
 949        if ($suppress) {
 950                @navs = grep { $_ ne $suppress } @navs;
 951        }
 952
 953        my %arg = map { $_, ''} @navs;
 954        if (defined $head) {
 955                for (qw(commit commitdiff)) {
 956                        $arg{$_} = ";h=$head";
 957                }
 958                if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
 959                        for (qw(shortlog log)) {
 960                                $arg{$_} = ";h=$head";
 961                        }
 962                }
 963        }
 964        $arg{tree} .= ";h=$treehead" if defined $treehead;
 965        $arg{tree} .= ";hb=$treebase" if defined $treebase;
 966
 967        print "<div class=\"page_nav\">\n" .
 968                (join " | ",
 969                 map { $_ eq $current
 970                                         ? $_
 971                                         : $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$_$arg{$_}")}, "$_")
 972                                 }
 973                 @navs);
 974        print "<br/>\n$extra<br/>\n" .
 975              "</div>\n";
 976}
 977
 978sub git_get_paging_nav {
 979        my ($action, $hash, $head, $page, $nrevs) = @_;
 980        my $paging_nav;
 981
 982
 983        if ($hash ne $head || $page) {
 984                $paging_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action")}, "HEAD");
 985        } else {
 986                $paging_nav .= "HEAD";
 987        }
 988
 989        if ($page > 0) {
 990                $paging_nav .= " &sdot; " .
 991                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action;h=$hash;pg=" . ($page-1)),
 992                                                         -accesskey => "p", -title => "Alt-p"}, "prev");
 993        } else {
 994                $paging_nav .= " &sdot; prev";
 995        }
 996
 997        if ($nrevs >= (100 * ($page+1)-1)) {
 998                $paging_nav .= " &sdot; " .
 999                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action;h=$hash;pg=" . ($page+1)),
1000                                                         -accesskey => "n", -title => "Alt-n"}, "next");
1001        } else {
1002                $paging_nav .= " &sdot; next";
1003        }
1004
1005        return $paging_nav;
1006}
1007
1008## ......................................................................
1009## functions printing or outputting HTML: div
1010
1011sub git_header_div {
1012        my ($action, $title, $hash, $hash_base) = @_;
1013        my $rest = '';
1014
1015        $rest .= ";h=$hash" if $hash;
1016        $rest .= ";hb=$hash_base" if $hash_base;
1017
1018        print "<div class=\"header\">\n" .
1019              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action$rest"),
1020                       -class => "title"}, $title ? $title : $action) . "\n" .
1021              "</div>\n";
1022}
1023
1024sub git_print_page_path {
1025        my $name = shift;
1026        my $type = shift;
1027
1028        if (!defined $name) {
1029                print "<div class=\"page_path\"><b>/</b></div>\n";
1030        } elsif (defined $type && $type eq 'blob') {
1031                print "<div class=\"page_path\"><b>" .
1032                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;f=$file_name")}, esc_html($name)) . "</b><br/></div>\n";
1033        } else {
1034                print "<div class=\"page_path\"><b>" . esc_html($name) . "</b><br/></div>\n";
1035        }
1036}
1037
1038## ......................................................................
1039## functions printing large fragments of HTML
1040
1041sub git_shortlog_body {
1042        # uses global variable $project
1043        my ($revlist, $from, $to, $refs, $extra) = @_;
1044        $from = 0 unless defined $from;
1045        $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
1046
1047        print "<table class=\"shortlog\" cellspacing=\"0\">\n";
1048        my $alternate = 0;
1049        for (my $i = $from; $i <= $to; $i++) {
1050                my $commit = $revlist->[$i];
1051                #my $ref = defined $refs ? git_get_referencing($refs, $commit) : '';
1052                my $ref = git_get_referencing($refs, $commit);
1053                my %co = git_read_commit($commit);
1054                my %ad = date_str($co{'author_epoch'});
1055                if ($alternate) {
1056                        print "<tr class=\"dark\">\n";
1057                } else {
1058                        print "<tr class=\"light\">\n";
1059                }
1060                $alternate ^= 1;
1061                # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
1062                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1063                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1064                      "<td>";
1065                if (length($co{'title_short'}) < length($co{'title'})) {
1066                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"),
1067                                       -class => "list", -title => "$co{'title'}"},
1068                              "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
1069                } else {
1070                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"),
1071                                       -class => "list"},
1072                              "<b>" . esc_html($co{'title'}) . "$ref</b>");
1073                }
1074                print "</td>\n" .
1075                      "<td class=\"link\">" .
1076                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") . " | " .
1077                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1078                      "</td>\n" .
1079                      "</tr>\n";
1080        }
1081        if (defined $extra) {
1082                print "<tr>\n" .
1083                      "<td colspan=\"4\">$extra</td>\n" .
1084                      "</tr>\n";
1085        }
1086        print "</table>\n";
1087}
1088
1089sub git_tags_body {
1090        # uses global variable $project
1091        my ($taglist, $from, $to, $extra) = @_;
1092        $from = 0 unless defined $from;
1093        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1094
1095        print "<table class=\"tags\" cellspacing=\"0\">\n";
1096        my $alternate = 0;
1097        for (my $i = $from; $i <= $to; $i++) {
1098                my $entry = $taglist->[$i];
1099                my %tag = %$entry;
1100                my $comment_lines = $tag{'comment'};
1101                my $comment = shift @$comment_lines;
1102                my $comment_short;
1103                if (defined $comment) {
1104                        $comment_short = chop_str($comment, 30, 5);
1105                }
1106                if ($alternate) {
1107                        print "<tr class=\"dark\">\n";
1108                } else {
1109                        print "<tr class=\"light\">\n";
1110                }
1111                $alternate ^= 1;
1112                print "<td><i>$tag{'age'}</i></td>\n" .
1113                      "<td>" .
1114                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"),
1115                               -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1116                      "</td>\n" .
1117                      "<td>";
1118                if (defined $comment) {
1119                        if (length($comment_short) < length($comment)) {
1120                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}"),
1121                                               -class => "list", -title => $comment}, $comment_short);
1122                        } else {
1123                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}"),
1124                                               -class => "list"}, $comment);
1125                        }
1126                }
1127                print "</td>\n" .
1128                      "<td class=\"selflink\">";
1129                if ($tag{'type'} eq "tag") {
1130                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag");
1131                } else {
1132                        print "&nbsp;";
1133                }
1134                print "</td>\n" .
1135                      "<td class=\"link\">" . " | " .
1136                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1137                if ($tag{'reftype'} eq "commit") {
1138                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1139                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1140                } elsif ($tag{'reftype'} eq "blob") {
1141                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$tag{'refid'}")}, "raw");
1142                }
1143                print "</td>\n" .
1144                      "</tr>";
1145        }
1146        if (defined $extra) {
1147                print "<tr>\n" .
1148                      "<td colspan=\"5\">$extra</td>\n" .
1149                      "</tr>\n";
1150        }
1151        print "</table>\n";
1152}
1153
1154sub git_heads_body {
1155        # uses global variable $project
1156        my ($taglist, $head, $from, $to, $extra) = @_;
1157        $from = 0 unless defined $from;
1158        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1159
1160        print "<table class=\"heads\" cellspacing=\"0\">\n";
1161        my $alternate = 0;
1162        for (my $i = $from; $i <= $to; $i++) {
1163                my $entry = $taglist->[$i];
1164                my %tag = %$entry;
1165                my $curr = $tag{'id'} eq $head;
1166                if ($alternate) {
1167                        print "<tr class=\"dark\">\n";
1168                } else {
1169                        print "<tr class=\"light\">\n";
1170                }
1171                $alternate ^= 1;
1172                print "<td><i>$tag{'age'}</i></td>\n" .
1173                      ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
1174                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"),
1175                               -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1176                      "</td>\n" .
1177                      "<td class=\"link\">" .
1178                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") . " | " .
1179                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1180                      "</td>\n" .
1181                      "</tr>";
1182        }
1183        if (defined $extra) {
1184                print "<tr>\n" .
1185                      "<td colspan=\"3\">$extra</td>\n" .
1186                      "</tr>\n";
1187        }
1188        print "</table>\n";
1189}
1190
1191## ----------------------------------------------------------------------
1192## functions printing large fragments, format as one of arguments
1193
1194sub git_diff_print {
1195        my $from = shift;
1196        my $from_name = shift;
1197        my $to = shift;
1198        my $to_name = shift;
1199        my $format = shift || "html";
1200
1201        my $from_tmp = "/dev/null";
1202        my $to_tmp = "/dev/null";
1203        my $pid = $$;
1204
1205        # create tmp from-file
1206        if (defined $from) {
1207                $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
1208                open my $fd2, "> $from_tmp";
1209                open my $fd, "-|", $GIT, "cat-file", "blob", $from;
1210                my @file = <$fd>;
1211                print $fd2 @file;
1212                close $fd2;
1213                close $fd;
1214        }
1215
1216        # create tmp to-file
1217        if (defined $to) {
1218                $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
1219                open my $fd2, "> $to_tmp";
1220                open my $fd, "-|", $GIT, "cat-file", "blob", $to;
1221                my @file = <$fd>;
1222                print $fd2 @file;
1223                close $fd2;
1224                close $fd;
1225        }
1226
1227        open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
1228        if ($format eq "plain") {
1229                undef $/;
1230                print <$fd>;
1231                $/ = "\n";
1232        } else {
1233                while (my $line = <$fd>) {
1234                        chomp $line;
1235                        my $char = substr($line, 0, 1);
1236                        my $diff_class = "";
1237                        if ($char eq '+') {
1238                                $diff_class = " add";
1239                        } elsif ($char eq "-") {
1240                                $diff_class = " rem";
1241                        } elsif ($char eq "@") {
1242                                $diff_class = " chunk_header";
1243                        } elsif ($char eq "\\") {
1244                                # skip errors
1245                                next;
1246                        }
1247                        while ((my $pos = index($line, "\t")) != -1) {
1248                                if (my $count = (8 - (($pos-1) % 8))) {
1249                                        my $spaces = ' ' x $count;
1250                                        $line =~ s/\t/$spaces/;
1251                                }
1252                        }
1253                        print "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
1254                }
1255        }
1256        close $fd;
1257
1258        if (defined $from) {
1259                unlink($from_tmp);
1260        }
1261        if (defined $to) {
1262                unlink($to_tmp);
1263        }
1264}
1265
1266
1267## ======================================================================
1268## ======================================================================
1269## actions
1270
1271# git-logo (cached in browser for one day)
1272sub git_logo {
1273        binmode STDOUT, ':raw';
1274        print $cgi->header(-type => 'image/png', -expires => '+1d');
1275        # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
1276        print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
1277                "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
1278                "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
1279                "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
1280                "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
1281                "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
1282                "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
1283                "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
1284                "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
1285                "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
1286                "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
1287                "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
1288                "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
1289}
1290
1291sub git_project_list {
1292        my $order = $cgi->param('o');
1293        if (defined $order && $order !~ m/project|descr|owner|age/) {
1294                die_error(undef, "Invalid order parameter '$order'.");
1295        }
1296
1297        my @list = git_read_projects();
1298        my @projects;
1299        if (!@list) {
1300                die_error(undef, "No projects found.");
1301        }
1302        foreach my $pr (@list) {
1303                my $head = git_read_head($pr->{'path'});
1304                if (!defined $head) {
1305                        next;
1306                }
1307                $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
1308                my %co = git_read_commit($head);
1309                if (!%co) {
1310                        next;
1311                }
1312                $pr->{'commit'} = \%co;
1313                if (!defined $pr->{'descr'}) {
1314                        my $descr = git_read_description($pr->{'path'}) || "";
1315                        $pr->{'descr'} = chop_str($descr, 25, 5);
1316                }
1317                if (!defined $pr->{'owner'}) {
1318                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
1319                }
1320                push @projects, $pr;
1321        }
1322
1323        git_header_html();
1324        if (-f $home_text) {
1325                print "<div class=\"index_include\">\n";
1326                open (my $fd, $home_text);
1327                print <$fd>;
1328                close $fd;
1329                print "</div>\n";
1330        }
1331        print "<table class=\"project_list\">\n" .
1332              "<tr>\n";
1333        $order ||= "project";
1334        if ($order eq "project") {
1335                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
1336                print "<th>Project</th>\n";
1337        } else {
1338                print "<th>" .
1339                      $cgi->a({-href => "$my_uri?" . esc_param("o=project"),
1340                               -class => "header"}, "Project") .
1341                      "</th>\n";
1342        }
1343        if ($order eq "descr") {
1344                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
1345                print "<th>Description</th>\n";
1346        } else {
1347                print "<th>" .
1348                      $cgi->a({-href => "$my_uri?" . esc_param("o=descr"),
1349                               -class => "header"}, "Description") .
1350                      "</th>\n";
1351        }
1352        if ($order eq "owner") {
1353                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
1354                print "<th>Owner</th>\n";
1355        } else {
1356                print "<th>" .
1357                      $cgi->a({-href => "$my_uri?" . esc_param("o=owner"),
1358                               -class => "header"}, "Owner") .
1359                      "</th>\n";
1360        }
1361        if ($order eq "age") {
1362                @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
1363                print "<th>Last Change</th>\n";
1364        } else {
1365                print "<th>" .
1366                      $cgi->a({-href => "$my_uri?" . esc_param("o=age"),
1367                               -class => "header"}, "Last Change") .
1368                      "</th>\n";
1369        }
1370        print "<th></th>\n" .
1371              "</tr>\n";
1372        my $alternate = 0;
1373        foreach my $pr (@projects) {
1374                if ($alternate) {
1375                        print "<tr class=\"dark\">\n";
1376                } else {
1377                        print "<tr class=\"light\">\n";
1378                }
1379                $alternate ^= 1;
1380                print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary"),
1381                                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
1382                      "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
1383                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
1384                print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" .
1385                      $pr->{'commit'}{'age_string'} . "</td>\n" .
1386                      "<td class=\"link\">" .
1387                      $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary")}, "summary")   . " | " .
1388                      $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=shortlog")}, "shortlog") . " | " .
1389                      $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=log")}, "log") .
1390                      "</td>\n" .
1391                      "</tr>\n";
1392        }
1393        print "</table>\n";
1394        git_footer_html();
1395}
1396
1397sub git_summary {
1398        my $descr = git_read_description($project) || "none";
1399        my $head = git_read_head($project);
1400        my %co = git_read_commit($head);
1401        my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1402
1403        my $owner;
1404        if (-f $projects_list) {
1405                open (my $fd , $projects_list);
1406                while (my $line = <$fd>) {
1407                        chomp $line;
1408                        my ($pr, $ow) = split ' ', $line;
1409                        $pr = unescape($pr);
1410                        $ow = unescape($ow);
1411                        if ($pr eq $project) {
1412                                $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
1413                                last;
1414                        }
1415                }
1416                close $fd;
1417        }
1418        if (!defined $owner) {
1419                $owner = get_file_owner("$projectroot/$project");
1420        }
1421
1422        my $refs = read_info_ref();
1423        git_header_html();
1424        git_page_nav('summary','', $head);
1425
1426        print "<div class=\"title\">&nbsp;</div>\n";
1427        print "<table cellspacing=\"0\">\n" .
1428              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
1429              "<tr><td>owner</td><td>$owner</td></tr>\n" .
1430              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
1431              "</table>\n";
1432
1433        open my $fd, "-|", $GIT, "rev-list", "--max-count=17", git_read_head($project)
1434                or die_error(undef, "Open git-rev-list failed.");
1435        my @revlist = map { chomp; $_ } <$fd>;
1436        close $fd;
1437        git_header_div('shortlog');
1438        git_shortlog_body(\@revlist, 0, 15, $refs,
1439                          $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "..."));
1440
1441        my $taglist = git_read_refs("refs/tags");
1442        if (defined @$taglist) {
1443                git_header_div('tags');
1444                git_tags_body($taglist, 0, 15,
1445                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags")}, "..."));
1446        }
1447
1448        my $headlist = git_read_refs("refs/heads");
1449        if (defined @$headlist) {
1450                git_header_div('heads');
1451                git_heads_body($headlist, $head, 0, 15,
1452                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads")}, "..."));
1453        }
1454
1455        git_footer_html();
1456}
1457
1458sub git_tag {
1459        my $head = git_read_head($project);
1460        git_header_html();
1461        git_page_nav('','', $head,undef,$head);
1462        my %tag = git_read_tag($hash);
1463        git_header_div('commit', esc_html($tag{'name'}), $hash);
1464        print "<div class=\"title_text\">\n" .
1465              "<table cellspacing=\"0\">\n" .
1466              "<tr>\n" .
1467              "<td>object</td>\n" .
1468              "<td>" . $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'object'}) . "</td>\n" .
1469              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'type'}) . "</td>\n" .
1470              "</tr>\n";
1471        if (defined($tag{'author'})) {
1472                my %ad = date_str($tag{'epoch'}, $tag{'tz'});
1473                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
1474                print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1475        }
1476        print "</table>\n\n" .
1477              "</div>\n";
1478        print "<div class=\"page_body\">";
1479        my $comment = $tag{'comment'};
1480        foreach my $line (@$comment) {
1481                print esc_html($line) . "<br/>\n";
1482        }
1483        print "</div>\n";
1484        git_footer_html();
1485}
1486
1487sub git_blame2 {
1488        my $fd;
1489        my $ftype;
1490        die_error(undef, "Permission denied.") if (!git_get_project_config_bool ('blame'));
1491        die_error('404 Not Found', "File name not defined") if (!$file_name);
1492        $hash_base ||= git_read_head($project);
1493        die_error(undef, "Reading commit failed") unless ($hash_base);
1494        my %co = git_read_commit($hash_base)
1495                or die_error(undef, "Reading commit failed");
1496        if (!defined $hash) {
1497                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1498                        or die_error(undef, "Error looking up file");
1499        }
1500        $ftype = git_get_type($hash);
1501        if ($ftype !~ "blob") {
1502                die_error("400 Bad Request", "object is not a blob");
1503        }
1504        open ($fd, "-|", $GIT, "blame", '-l', $file_name, $hash_base)
1505                or die_error(undef, "Open git-blame failed.");
1506        git_header_html();
1507        my $formats_nav =
1508                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1509                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head");
1510        git_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1511        git_header_div('commit', esc_html($co{'title'}), $hash_base);
1512        git_print_page_path($file_name, $ftype);
1513        my @rev_color = (qw(light dark));
1514        my $num_colors = scalar(@rev_color);
1515        my $current_color = 0;
1516        my $last_rev;
1517        print "<div class=\"page_body\">\n";
1518        print "<table class=\"blame\">\n";
1519        print "<tr><th>Commit</th><th>Line</th><th>Data</th></tr>\n";
1520        while (<$fd>) {
1521                /^([0-9a-fA-F]{40}).*?(\d+)\)\s{1}(\s*.*)/;
1522                my $full_rev = $1;
1523                my $rev = substr($full_rev, 0, 8);
1524                my $lineno = $2;
1525                my $data = $3;
1526
1527                if (!defined $last_rev) {
1528                        $last_rev = $full_rev;
1529                } elsif ($last_rev ne $full_rev) {
1530                        $last_rev = $full_rev;
1531                        $current_color = ++$current_color % $num_colors;
1532                }
1533                print "<tr class=\"$rev_color[$current_color]\">\n";
1534                print "<td class=\"sha1\">" .
1535                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$full_rev;f=$file_name")}, esc_html($rev)) . "</td>\n";
1536                print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" . esc_html($lineno) . "</a></td>\n";
1537                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
1538                print "</tr>\n";
1539        }
1540        print "</table>\n";
1541        print "</div>";
1542        close $fd or print "Reading blob failed\n";
1543        git_footer_html();
1544}
1545
1546sub git_blame {
1547        my $fd;
1548        die_error('403 Permission denied', "Permission denied.") if (!git_get_project_config_bool ('blame'));
1549        die_error('404 Not Found', "What file will it be, master?") if (!$file_name);
1550        $hash_base ||= git_read_head($project);
1551        die_error(undef, "Reading commit failed.") unless ($hash_base);
1552        my %co = git_read_commit($hash_base)
1553                or die_error(undef, "Reading commit failed.");
1554        if (!defined $hash) {
1555                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1556                        or die_error(undef, "Error lookup file.");
1557        }
1558        open ($fd, "-|", $GIT, "annotate", '-l', '-t', '-r', $file_name, $hash_base)
1559                or die_error(undef, "Open git-annotate failed.");
1560        git_header_html();
1561        my $formats_nav =
1562                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1563                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head");
1564        git_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1565        git_header_div('commit', esc_html($co{'title'}), $hash_base);
1566        git_print_page_path($file_name, 'blob');
1567        print "<div class=\"page_body\">\n";
1568        print <<HTML;
1569<table class="blame">
1570  <tr>
1571    <th>Commit</th>
1572    <th>Age</th>
1573    <th>Author</th>
1574    <th>Line</th>
1575    <th>Data</th>
1576  </tr>
1577HTML
1578        my @line_class = (qw(light dark));
1579        my $line_class_len = scalar (@line_class);
1580        my $line_class_num = $#line_class;
1581        while (my $line = <$fd>) {
1582                my $long_rev;
1583                my $short_rev;
1584                my $author;
1585                my $time;
1586                my $lineno;
1587                my $data;
1588                my $age;
1589                my $age_str;
1590                my $age_class;
1591
1592                chomp $line;
1593                $line_class_num = ($line_class_num + 1) % $line_class_len;
1594
1595                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
1596                        $long_rev = $1;
1597                        $author   = $2;
1598                        $time     = $3;
1599                        $lineno   = $4;
1600                        $data     = $5;
1601                } else {
1602                        print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
1603                        next;
1604                }
1605                $short_rev  = substr ($long_rev, 0, 8);
1606                $age        = time () - $time;
1607                $age_str    = age_string ($age);
1608                $age_str    =~ s/ /&nbsp;/g;
1609                $age_class  = age_class($age);
1610                $author     = esc_html ($author);
1611                $author     =~ s/ /&nbsp;/g;
1612                # escape tabs
1613                while ((my $pos = index($data, "\t")) != -1) {
1614                        if (my $count = (8 - ($pos % 8))) {
1615                                my $spaces = ' ' x $count;
1616                                $data =~ s/\t/$spaces/;
1617                        }
1618                }
1619                $data = esc_html ($data);
1620
1621                print <<HTML;
1622  <tr class="$line_class[$line_class_num]">
1623    <td class="sha1"><a href="$my_uri?${\esc_param ("p=$project;a=commit;h=$long_rev")}" class="text">$short_rev..</a></td>
1624    <td class="$age_class">$age_str</td>
1625    <td>$author</td>
1626    <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
1627    <td class="pre">$data</td>
1628  </tr>
1629HTML
1630        } # while (my $line = <$fd>)
1631        print "</table>\n\n";
1632        close $fd or print "Reading blob failed.\n";
1633        print "</div>";
1634        git_footer_html();
1635}
1636
1637sub git_tags {
1638        my $head = git_read_head($project);
1639        git_header_html();
1640        git_page_nav('','', $head,undef,$head);
1641        git_header_div('summary', $project);
1642
1643        my $taglist = git_read_refs("refs/tags");
1644        if (defined @$taglist) {
1645                git_tags_body($taglist);
1646        }
1647        git_footer_html();
1648}
1649
1650sub git_heads {
1651        my $head = git_read_head($project);
1652        git_header_html();
1653        git_page_nav('','', $head,undef,$head);
1654        git_header_div('summary', $project);
1655
1656        my $taglist = git_read_refs("refs/heads");
1657        my $alternate = 0;
1658        if (defined @$taglist) {
1659                git_heads_body($taglist, $head);
1660        }
1661        git_footer_html();
1662}
1663
1664sub git_blob_plain {
1665        if (!defined $hash) {
1666                if (defined $file_name) {
1667                        my $base = $hash_base || git_read_head($project);
1668                        $hash = git_get_hash_by_path($base, $file_name, "blob")
1669                                or die_error(undef, "Error lookup file.");
1670                } else {
1671                        die_error(undef, "No file name defined.");
1672                }
1673        }
1674        my $type = shift;
1675        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
1676                or die_error("Couldn't cat $file_name, $hash");
1677
1678        $type ||= git_blob_plain_mimetype($fd, $file_name);
1679
1680        # save as filename, even when no $file_name is given
1681        my $save_as = "$hash";
1682        if (defined $file_name) {
1683                $save_as = $file_name;
1684        } elsif ($type =~ m/^text\//) {
1685                $save_as .= '.txt';
1686        }
1687
1688        print $cgi->header(-type => "$type", '-content-disposition' => "inline; filename=\"$save_as\"");
1689        undef $/;
1690        binmode STDOUT, ':raw';
1691        print <$fd>;
1692        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
1693        $/ = "\n";
1694        close $fd;
1695}
1696
1697sub git_blob {
1698        if (!defined $hash) {
1699                if (defined $file_name) {
1700                        my $base = $hash_base || git_read_head($project);
1701                        $hash = git_get_hash_by_path($base, $file_name, "blob")
1702                                or die_error(undef, "Error lookup file.");
1703                } else {
1704                        die_error(undef, "No file name defined.");
1705                }
1706        }
1707        my $have_blame = git_get_project_config_bool ('blame');
1708        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
1709                or die_error(undef, "Couldn't cat $file_name, $hash.");
1710        my $mimetype = git_blob_plain_mimetype($fd, $file_name);
1711        if ($mimetype !~ m/^text\//) {
1712                close $fd;
1713                return git_blob_plain($mimetype);
1714        }
1715        git_header_html();
1716        my $formats_nav = '';
1717        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1718                if (defined $file_name) {
1719                        if ($have_blame) {
1720                                $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$hash;hb=$hash_base;f=$file_name")}, "blame") . " | ";
1721                        }
1722                        $formats_nav .=
1723                                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") .
1724                                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=HEAD;f=$file_name")}, "head");
1725                } else {
1726                        $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash")}, "plain");
1727                }
1728                git_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1729                git_header_div('commit', esc_html($co{'title'}), $hash_base);
1730        } else {
1731                print "<div class=\"page_nav\">\n" .
1732                      "<br/><br/></div>\n" .
1733                      "<div class=\"title\">$hash</div>\n";
1734        }
1735        git_print_page_path($file_name, "blob");
1736        print "<div class=\"page_body\">\n";
1737        my $nr;
1738        while (my $line = <$fd>) {
1739                chomp $line;
1740                $nr++;
1741                while ((my $pos = index($line, "\t")) != -1) {
1742                        if (my $count = (8 - ($pos % 8))) {
1743                                my $spaces = ' ' x $count;
1744                                $line =~ s/\t/$spaces/;
1745                        }
1746                }
1747                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
1748        }
1749        close $fd or print "Reading blob failed.\n";
1750        print "</div>";
1751        git_footer_html();
1752}
1753
1754sub git_tree {
1755        if (!defined $hash) {
1756                $hash = git_read_head($project);
1757                if (defined $file_name) {
1758                        my $base = $hash_base || $hash;
1759                        $hash = git_get_hash_by_path($base, $file_name, "tree");
1760                }
1761                if (!defined $hash_base) {
1762                        $hash_base = $hash;
1763                }
1764        }
1765        $/ = "\0";
1766        open my $fd, "-|", $GIT, "ls-tree", '-z', $hash
1767                or die_error(undef, "Open git-ls-tree failed.");
1768        my @entries = map { chomp; $_ } <$fd>;
1769        close $fd or die_error(undef, "Reading tree failed.");
1770        $/ = "\n";
1771
1772        my $refs = read_info_ref();
1773        my $ref = git_get_referencing($refs, $hash_base);
1774        git_header_html();
1775        my $base_key = "";
1776        my $base = "";
1777        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1778                $base_key = ";hb=$hash_base";
1779                git_page_nav('tree','', $hash_base);
1780                git_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
1781        } else {
1782                print "<div class=\"page_nav\">\n";
1783                print "<br/><br/></div>\n";
1784                print "<div class=\"title\">$hash</div>\n";
1785        }
1786        if (defined $file_name) {
1787                $base = esc_html("$file_name/");
1788        }
1789        git_print_page_path($file_name, 'tree');
1790        print "<div class=\"page_body\">\n";
1791        print "<table cellspacing=\"0\">\n";
1792        my $alternate = 0;
1793        foreach my $line (@entries) {
1794                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1795                $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1796                my $t_mode = $1;
1797                my $t_type = $2;
1798                my $t_hash = $3;
1799                my $t_name = validate_input($4);
1800                if ($alternate) {
1801                        print "<tr class=\"dark\">\n";
1802                } else {
1803                        print "<tr class=\"light\">\n";
1804                }
1805                $alternate ^= 1;
1806                print "<td class=\"mode\">" . mode_str($t_mode) . "</td>\n";
1807                if ($t_type eq "blob") {
1808                        print "<td class=\"list\">" .
1809                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name"), -class => "list"}, esc_html($t_name)) .
1810                              "</td>\n" .
1811                              "<td class=\"link\">" .
1812                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name")}, "blob") .
1813#                             " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$t_hash$base_key;f=$base$t_name")}, "blame") .
1814                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$t_hash;hb=$hash_base;f=$base$t_name")}, "history") .
1815                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$t_hash;f=$base$t_name")}, "raw") .
1816                              "</td>\n";
1817                } elsif ($t_type eq "tree") {
1818                        print "<td class=\"list\">" .
1819                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, esc_html($t_name)) .
1820                              "</td>\n" .
1821                              "<td class=\"link\">" .
1822                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, "tree") .
1823                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$hash_base;f=$base$t_name")}, "history") .
1824                              "</td>\n";
1825                }
1826                print "</tr>\n";
1827        }
1828        print "</table>\n" .
1829              "</div>";
1830        git_footer_html();
1831}
1832
1833sub git_log {
1834        my $head = git_read_head($project);
1835        if (!defined $hash) {
1836                $hash = $head;
1837        }
1838        if (!defined $page) {
1839                $page = 0;
1840        }
1841        my $refs = read_info_ref();
1842
1843        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1844        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
1845                or die_error(undef, "Open git-rev-list failed.");
1846        my @revlist = map { chomp; $_ } <$fd>;
1847        close $fd;
1848
1849        my $paging_nav = git_get_paging_nav('log', $hash, $head, $page, $#revlist);
1850
1851        git_header_html();
1852        git_page_nav('log','', $hash,undef,undef, $paging_nav);
1853
1854        if (!@revlist) {
1855                my %co = git_read_commit($hash);
1856
1857                git_header_div('summary', $project);
1858                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1859        }
1860        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1861                my $commit = $revlist[$i];
1862                my $ref = git_get_referencing($refs, $commit);
1863                my %co = git_read_commit($commit);
1864                next if !%co;
1865                my %ad = date_str($co{'author_epoch'});
1866                git_header_div('commit',
1867                                                                         "<span class=\"age\">$co{'age_string'}</span>" .
1868                                                                         esc_html($co{'title'}) . $ref,
1869                                                                         $commit);
1870                print "<div class=\"title_text\">\n" .
1871                      "<div class=\"log_link\">\n" .
1872                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1873                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1874                      "<br/>\n" .
1875                      "</div>\n" .
1876                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1877                      "</div>\n" .
1878                      "<div class=\"log_body\">\n";
1879                my $comment = $co{'comment'};
1880                my $empty = 0;
1881                foreach my $line (@$comment) {
1882                        if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1883                                next;
1884                        }
1885                        if ($line eq "") {
1886                                if ($empty) {
1887                                        next;
1888                                }
1889                                $empty = 1;
1890                        } else {
1891                                $empty = 0;
1892                        }
1893                        print format_log_line_html($line) . "<br/>\n";
1894                }
1895                if (!$empty) {
1896                        print "<br/>\n";
1897                }
1898                print "</div>\n";
1899        }
1900        git_footer_html();
1901}
1902
1903sub git_commit {
1904        my %co = git_read_commit($hash);
1905        if (!%co) {
1906                die_error(undef, "Unknown commit object.");
1907        }
1908        my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1909        my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1910
1911        my $parent = $co{'parent'};
1912        if (!defined $parent) {
1913                $parent = "--root";
1914        }
1915        open my $fd, "-|", $GIT, "diff-tree", '-r', '-M', $parent, $hash
1916                or die_error(undef, "Open git-diff-tree failed.");
1917        my @difftree = map { chomp; $_ } <$fd>;
1918        close $fd or die_error(undef, "Reading git-diff-tree failed.");
1919
1920        # non-textual hash id's can be cached
1921        my $expires;
1922        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1923                $expires = "+1d";
1924        }
1925        my $refs = read_info_ref();
1926        my $ref = git_get_referencing($refs, $co{'id'});
1927        my $formats_nav = '';
1928        if (defined $file_name && defined $co{'parent'}) {
1929                my $parent = $co{'parent'};
1930                $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;hb=$parent;f=$file_name")}, "blame");
1931        }
1932        git_header_html(undef, $expires);
1933        git_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
1934                                                         $hash, $co{'tree'}, $hash,
1935                                                         $formats_nav);
1936
1937        if (defined $co{'parent'}) {
1938                git_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
1939        } else {
1940                git_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
1941        }
1942        print "<div class=\"title_text\">\n" .
1943              "<table cellspacing=\"0\">\n";
1944        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
1945              "<tr>" .
1946              "<td></td><td> $ad{'rfc2822'}";
1947        if ($ad{'hour_local'} < 6) {
1948                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1949        } else {
1950                printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1951        }
1952        print "</td>" .
1953              "</tr>\n";
1954        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
1955        print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1956        print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
1957        print "<tr>" .
1958              "<td>tree</td>" .
1959              "<td class=\"sha1\">" .
1960              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), class => "list"}, $co{'tree'}) .
1961              "</td>" .
1962              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
1963              "</td>" .
1964              "</tr>\n";
1965        my $parents = $co{'parents'};
1966        foreach my $par (@$parents) {
1967                print "<tr>" .
1968                      "<td>parent</td>" .
1969                      "<td class=\"sha1\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par"), class => "list"}, $par) . "</td>" .
1970                      "<td class=\"link\">" .
1971                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par")}, "commit") .
1972                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash;hp=$par")}, "commitdiff") .
1973                      "</td>" .
1974                      "</tr>\n";
1975        }
1976        print "</table>".
1977              "</div>\n";
1978        print "<div class=\"page_body\">\n";
1979        my $comment = $co{'comment'};
1980        my $empty = 0;
1981        my $signed = 0;
1982        foreach my $line (@$comment) {
1983                # print only one empty line
1984                if ($line eq "") {
1985                        if ($empty || $signed) {
1986                                next;
1987                        }
1988                        $empty = 1;
1989                } else {
1990                        $empty = 0;
1991                }
1992                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1993                        $signed = 1;
1994                        print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1995                } else {
1996                        $signed = 0;
1997                        print format_log_line_html($line) . "<br/>\n";
1998                }
1999        }
2000        print "</div>\n";
2001        print "<div class=\"list_head\">\n";
2002        if ($#difftree > 10) {
2003                print(($#difftree + 1) . " files changed:\n");
2004        }
2005        print "</div>\n";
2006        print "<table class=\"diff_tree\">\n";
2007        my $alternate = 0;
2008        foreach my $line (@difftree) {
2009                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2010                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2011                if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
2012                        next;
2013                }
2014                my $from_mode = $1;
2015                my $to_mode = $2;
2016                my $from_id = $3;
2017                my $to_id = $4;
2018                my $status = $5;
2019                my $similarity = $6;
2020                my $file = validate_input(unquote($7));
2021                if ($alternate) {
2022                        print "<tr class=\"dark\">\n";
2023                } else {
2024                        print "<tr class=\"light\">\n";
2025                }
2026                $alternate ^= 1;
2027                if ($status eq "A") {
2028                        my $mode_chng = "";
2029                        if (S_ISREG(oct $to_mode)) {
2030                                $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
2031                        }
2032                        print "<td>" .
2033                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2034                              "<td><span class=\"file_status new\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
2035                              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob") . "</td>\n";
2036                } elsif ($status eq "D") {
2037                        print "<td>" .
2038                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2039                              "<td><span class=\"file_status deleted\">[deleted " . file_type($from_mode). "]</span></td>\n" .
2040                              "<td class=\"link\">" .
2041                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, "blob") .
2042                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$hash;f=$file")}, "history") .
2043                              "</td>\n"
2044                } elsif ($status eq "M" || $status eq "T") {
2045                        my $mode_chnge = "";
2046                        if ($from_mode != $to_mode) {
2047                                $mode_chnge = " <span class=\"file_status mode_chnge\">[changed";
2048                                if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
2049                                        $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
2050                                }
2051                                if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
2052                                        if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
2053                                                $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
2054                                        } elsif (S_ISREG($to_mode)) {
2055                                                $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
2056                                        }
2057                                }
2058                                $mode_chnge .= "]</span>\n";
2059                        }
2060                        print "<td>";
2061                        if ($to_id ne $from_id) {
2062                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
2063                        } else {
2064                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
2065                        }
2066                        print "</td>\n" .
2067                              "<td>$mode_chnge</td>\n" .
2068                              "<td class=\"link\">";
2069                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob");
2070                        if ($to_id ne $from_id) {
2071                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file")}, "diff");
2072                        }
2073                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$hash;f=$file")}, "history") . "\n";
2074                        print "</td>\n";
2075                } elsif ($status eq "R") {
2076                        my ($from_file, $to_file) = split "\t", $file;
2077                        my $mode_chng = "";
2078                        if ($from_mode != $to_mode) {
2079                                $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
2080                        }
2081                        print "<td>" .
2082                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"), -class => "list"}, esc_html($to_file)) . "</td>\n" .
2083                              "<td><span class=\"file_status moved\">[moved from " .
2084                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$from_file"), -class => "list"}, esc_html($from_file)) .
2085                              " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
2086                              "<td class=\"link\">" .
2087                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file")}, "blob");
2088                        if ($to_id ne $from_id) {
2089                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file")}, "diff");
2090                        }
2091                        print "</td>\n";
2092                }
2093                print "</tr>\n";
2094        }
2095        print "</table>\n";
2096        git_footer_html();
2097}
2098
2099sub git_blobdiff {
2100        mkdir($git_temp, 0700);
2101        git_header_html();
2102        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
2103                my $formats_nav =
2104                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent")}, "plain");
2105                git_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2106                git_header_div('commit', esc_html($co{'title'}), $hash_base);
2107        } else {
2108                print "<div class=\"page_nav\">\n" .
2109                      "<br/><br/></div>\n" .
2110                      "<div class=\"title\">$hash vs $hash_parent</div>\n";
2111        }
2112        git_print_page_path($file_name, "blob");
2113        print "<div class=\"page_body\">\n" .
2114              "<div class=\"diff_info\">blob:" .
2115              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name")}, $hash_parent) .
2116              " -> blob:" .
2117              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, $hash) .
2118              "</div>\n";
2119        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2120        print "</div>";
2121        git_footer_html();
2122}
2123
2124sub git_blobdiff_plain {
2125        mkdir($git_temp, 0700);
2126        print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2127        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2128}
2129
2130sub git_commitdiff {
2131        mkdir($git_temp, 0700);
2132        my %co = git_read_commit($hash);
2133        if (!%co) {
2134                die_error(undef, "Unknown commit object.");
2135        }
2136        if (!defined $hash_parent) {
2137                $hash_parent = $co{'parent'};
2138        }
2139        open my $fd, "-|", $GIT, "diff-tree", '-r', $hash_parent, $hash
2140                or die_error(undef, "Open git-diff-tree failed.");
2141        my @difftree = map { chomp; $_ } <$fd>;
2142        close $fd or die_error(undef, "Reading diff-tree failed.");
2143
2144        # non-textual hash id's can be cached
2145        my $expires;
2146        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2147                $expires = "+1d";
2148        }
2149        my $refs = read_info_ref();
2150        my $ref = git_get_referencing($refs, $co{'id'});
2151        my $formats_nav =
2152                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent")}, "plain");
2153        git_header_html(undef, $expires);
2154        git_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
2155        git_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
2156        print "<div class=\"page_body\">\n";
2157        my $comment = $co{'comment'};
2158        my $empty = 0;
2159        my $signed = 0;
2160        my @log = @$comment;
2161        # remove first and empty lines after that
2162        shift @log;
2163        while (defined $log[0] && $log[0] eq "") {
2164                shift @log;
2165        }
2166        foreach my $line (@log) {
2167                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
2168                        next;
2169                }
2170                if ($line eq "") {
2171                        if ($empty) {
2172                                next;
2173                        }
2174                        $empty = 1;
2175                } else {
2176                        $empty = 0;
2177                }
2178                print format_log_line_html($line) . "<br/>\n";
2179        }
2180        print "<br/>\n";
2181        foreach my $line (@difftree) {
2182                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2183                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2184                $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2185                my $from_mode = $1;
2186                my $to_mode = $2;
2187                my $from_id = $3;
2188                my $to_id = $4;
2189                my $status = $5;
2190                my $file = validate_input(unquote($6));
2191                if ($status eq "A") {
2192                        print "<div class=\"diff_info\">" . file_type($to_mode) . ":" .
2193                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id) . "(new)" .
2194                              "</div>\n";
2195                        git_diff_print(undef, "/dev/null", $to_id, "b/$file");
2196                } elsif ($status eq "D") {
2197                        print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
2198                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) . "(deleted)" .
2199                              "</div>\n";
2200                        git_diff_print($from_id, "a/$file", undef, "/dev/null");
2201                } elsif ($status eq "M") {
2202                        if ($from_id ne $to_id) {
2203                                print "<div class=\"diff_info\">" .
2204                                      file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) .
2205                                      " -> " .
2206                                      file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id);
2207                                print "</div>\n";
2208                                git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
2209                        }
2210                }
2211        }
2212        print "<br/>\n" .
2213              "</div>";
2214        git_footer_html();
2215}
2216
2217sub git_commitdiff_plain {
2218        mkdir($git_temp, 0700);
2219        open my $fd, "-|", $GIT, "diff-tree", '-r', $hash_parent, $hash
2220                or die_error(undef, "Open git-diff-tree failed.");
2221        my @difftree = map { chomp; $_ } <$fd>;
2222        close $fd or die_error(undef, "Reading diff-tree failed.");
2223
2224        # try to figure out the next tag after this commit
2225        my $tagname;
2226        my $refs = read_info_ref("tags");
2227        open $fd, "-|", $GIT, "rev-list", "HEAD";
2228        my @commits = map { chomp; $_ } <$fd>;
2229        close $fd;
2230        foreach my $commit (@commits) {
2231                if (defined $refs->{$commit}) {
2232                        $tagname = $refs->{$commit}
2233                }
2234                if ($commit eq $hash) {
2235                        last;
2236                }
2237        }
2238
2239        print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"git-$hash.patch\"");
2240        my %co = git_read_commit($hash);
2241        my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
2242        my $comment = $co{'comment'};
2243        print "From: $co{'author'}\n" .
2244              "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
2245              "Subject: $co{'title'}\n";
2246        if (defined $tagname) {
2247                print "X-Git-Tag: $tagname\n";
2248        }
2249        print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
2250              "\n";
2251
2252        foreach my $line (@$comment) {;
2253                print "$line\n";
2254        }
2255        print "---\n\n";
2256
2257        foreach my $line (@difftree) {
2258                $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2259                my $from_id = $3;
2260                my $to_id = $4;
2261                my $status = $5;
2262                my $file = $6;
2263                if ($status eq "A") {
2264                        git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
2265                } elsif ($status eq "D") {
2266                        git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
2267                } elsif ($status eq "M") {
2268                        git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
2269                }
2270        }
2271}
2272
2273sub git_history {
2274        if (!defined $hash_base) {
2275                $hash_base = git_read_head($project);
2276        }
2277        my $ftype;
2278        my %co = git_read_commit($hash_base);
2279        if (!%co) {
2280                die_error(undef, "Unknown commit object.");
2281        }
2282        my $refs = read_info_ref();
2283        git_header_html();
2284        git_page_nav('','', $hash_base,$co{'tree'},$hash_base);
2285        git_header_div('commit', esc_html($co{'title'}), $hash_base);
2286        if (!defined $hash && defined $file_name) {
2287                $hash = git_get_hash_by_path($hash_base, $file_name);
2288        }
2289        if (defined $hash) {
2290                $ftype = git_get_type($hash);
2291        }
2292        git_print_page_path($file_name, $ftype);
2293
2294        open my $fd, "-|",
2295                $GIT, "rev-list", "--full-history", $hash_base, "--", $file_name;
2296        print "<table cellspacing=\"0\">\n";
2297        my $alternate = 0;
2298        while (my $line = <$fd>) {
2299                if ($line =~ m/^([0-9a-fA-F]{40})/){
2300                        my $commit = $1;
2301                        my %co = git_read_commit($commit);
2302                        if (!%co) {
2303                                next;
2304                        }
2305                        my $ref = git_get_referencing($refs, $commit);
2306                        if ($alternate) {
2307                                print "<tr class=\"dark\">\n";
2308                        } else {
2309                                print "<tr class=\"light\">\n";
2310                        }
2311                        $alternate ^= 1;
2312                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2313                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2314                              "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"}, "<b>" .
2315                              esc_html(chop_str($co{'title'}, 50)) . "$ref</b>") . "</td>\n" .
2316                              "<td class=\"link\">" .
2317                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2318                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2319                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$ftype;hb=$commit;f=$file_name")}, $ftype);
2320                        my $blob = git_get_hash_by_path($hash_base, $file_name);
2321                        my $blob_parent = git_get_hash_by_path($commit, $file_name);
2322                        if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
2323                                print " | " .
2324                                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name")},
2325                                "diff to current");
2326                        }
2327                        print "</td>\n" .
2328                              "</tr>\n";
2329                }
2330        }
2331        print "</table>\n";
2332        close $fd;
2333        git_footer_html();
2334}
2335
2336sub git_search {
2337        if (!defined $searchtext) {
2338                die_error("", "Text field empty.");
2339        }
2340        if (!defined $hash) {
2341                $hash = git_read_head($project);
2342        }
2343        my %co = git_read_commit($hash);
2344        if (!%co) {
2345                die_error(undef, "Unknown commit object.");
2346        }
2347        # pickaxe may take all resources of your box and run for several minutes
2348        # with every query - so decide by yourself how public you make this feature :)
2349        my $commit_search = 1;
2350        my $author_search = 0;
2351        my $committer_search = 0;
2352        my $pickaxe_search = 0;
2353        if ($searchtext =~ s/^author\\://i) {
2354                $author_search = 1;
2355        } elsif ($searchtext =~ s/^committer\\://i) {
2356                $committer_search = 1;
2357        } elsif ($searchtext =~ s/^pickaxe\\://i) {
2358                $commit_search = 0;
2359                $pickaxe_search = 1;
2360        }
2361        git_header_html();
2362        git_page_nav('','', $hash,$co{'tree'},$hash);
2363        git_header_div('commit', esc_html($co{'title'}), $hash);
2364
2365        print "<table cellspacing=\"0\">\n";
2366        my $alternate = 0;
2367        if ($commit_search) {
2368                $/ = "\0";
2369                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", $hash or next;
2370                while (my $commit_text = <$fd>) {
2371                        if (!grep m/$searchtext/i, $commit_text) {
2372                                next;
2373                        }
2374                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2375                                next;
2376                        }
2377                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2378                                next;
2379                        }
2380                        my @commit_lines = split "\n", $commit_text;
2381                        my %co = git_read_commit(undef, \@commit_lines);
2382                        if (!%co) {
2383                                next;
2384                        }
2385                        if ($alternate) {
2386                                print "<tr class=\"dark\">\n";
2387                        } else {
2388                                print "<tr class=\"light\">\n";
2389                        }
2390                        $alternate ^= 1;
2391                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2392                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2393                              "<td>" .
2394                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" . esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2395                        my $comment = $co{'comment'};
2396                        foreach my $line (@$comment) {
2397                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2398                                        my $lead = esc_html($1) || "";
2399                                        $lead = chop_str($lead, 30, 10);
2400                                        my $match = esc_html($2) || "";
2401                                        my $trail = esc_html($3) || "";
2402                                        $trail = chop_str($trail, 30, 10);
2403                                        my $text = "$lead<span class=\"match\">$match</span>$trail";
2404                                        print chop_str($text, 80, 5) . "<br/>\n";
2405                                }
2406                        }
2407                        print "</td>\n" .
2408                              "<td class=\"link\">" .
2409                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2410                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2411                        print "</td>\n" .
2412                              "</tr>\n";
2413                }
2414                close $fd;
2415        }
2416
2417        if ($pickaxe_search) {
2418                $/ = "\n";
2419                open my $fd, "-|", "$GIT rev-list $hash | $GIT diff-tree -r --stdin -S\'$searchtext\'";
2420                undef %co;
2421                my @files;
2422                while (my $line = <$fd>) {
2423                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2424                                my %set;
2425                                $set{'file'} = $6;
2426                                $set{'from_id'} = $3;
2427                                $set{'to_id'} = $4;
2428                                $set{'id'} = $set{'to_id'};
2429                                if ($set{'id'} =~ m/0{40}/) {
2430                                        $set{'id'} = $set{'from_id'};
2431                                }
2432                                if ($set{'id'} =~ m/0{40}/) {
2433                                        next;
2434                                }
2435                                push @files, \%set;
2436                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2437                                if (%co) {
2438                                        if ($alternate) {
2439                                                print "<tr class=\"dark\">\n";
2440                                        } else {
2441                                                print "<tr class=\"light\">\n";
2442                                        }
2443                                        $alternate ^= 1;
2444                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2445                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2446                                              "<td>" .
2447                                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" .
2448                                              esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2449                                        while (my $setref = shift @files) {
2450                                                my %set = %$setref;
2451                                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}"), class => "list"},
2452                                                      "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
2453                                                      "<br/>\n";
2454                                        }
2455                                        print "</td>\n" .
2456                                              "<td class=\"link\">" .
2457                                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2458                                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2459                                        print "</td>\n" .
2460                                              "</tr>\n";
2461                                }
2462                                %co = git_read_commit($1);
2463                        }
2464                }
2465                close $fd;
2466        }
2467        print "</table>\n";
2468        git_footer_html();
2469}
2470
2471sub git_shortlog {
2472        my $head = git_read_head($project);
2473        if (!defined $hash) {
2474                $hash = $head;
2475        }
2476        if (!defined $page) {
2477                $page = 0;
2478        }
2479        my $refs = read_info_ref();
2480
2481        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2482        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
2483                or die_error(undef, "Open git-rev-list failed.");
2484        my @revlist = map { chomp; $_ } <$fd>;
2485        close $fd;
2486
2487        my $paging_nav = git_get_paging_nav('shortlog', $hash, $head, $page, $#revlist);
2488        my $next_link = '';
2489        if ($#revlist >= (100 * ($page+1)-1)) {
2490                $next_link =
2491                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)),
2492                                 -title => "Alt-n"}, "next");
2493        }
2494
2495
2496        git_header_html();
2497        git_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
2498        git_header_div('summary', $project);
2499
2500        git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
2501
2502        git_footer_html();
2503}
2504
2505## ......................................................................
2506## feeds (RSS, OPML)
2507
2508sub git_rss {
2509        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
2510        open my $fd, "-|", $GIT, "rev-list", "--max-count=150", git_read_head($project)
2511                or die_error(undef, "Open git-rev-list failed.");
2512        my @revlist = map { chomp; $_ } <$fd>;
2513        close $fd or die_error(undef, "Reading rev-list failed.");
2514        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
2515        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
2516              "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
2517        print "<channel>\n";
2518        print "<title>$project</title>\n".
2519              "<link>" . esc_html("$my_url?p=$project;a=summary") . "</link>\n".
2520              "<description>$project log</description>\n".
2521              "<language>en</language>\n";
2522
2523        for (my $i = 0; $i <= $#revlist; $i++) {
2524                my $commit = $revlist[$i];
2525                my %co = git_read_commit($commit);
2526                # we read 150, we always show 30 and the ones more recent than 48 hours
2527                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
2528                        last;
2529                }
2530                my %cd = date_str($co{'committer_epoch'});
2531                open $fd, "-|", $GIT, "diff-tree", '-r', $co{'parent'}, $co{'id'} or next;
2532                my @difftree = map { chomp; $_ } <$fd>;
2533                close $fd or next;
2534                print "<item>\n" .
2535                      "<title>" .
2536                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
2537                      "</title>\n" .
2538                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
2539                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
2540                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
2541                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
2542                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
2543                      "<content:encoded>" .
2544                      "<![CDATA[\n";
2545                my $comment = $co{'comment'};
2546                foreach my $line (@$comment) {
2547                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
2548                        print "$line<br/>\n";
2549                }
2550                print "<br/>\n";
2551                foreach my $line (@difftree) {
2552                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
2553                                next;
2554                        }
2555                        my $file = validate_input(unquote($7));
2556                        $file = decode("utf8", $file, Encode::FB_DEFAULT);
2557                        print "$file<br/>\n";
2558                }
2559                print "]]>\n" .
2560                      "</content:encoded>\n" .
2561                      "</item>\n";
2562        }
2563        print "</channel></rss>";
2564}
2565
2566sub git_opml {
2567        my @list = git_read_projects();
2568
2569        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
2570        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
2571              "<opml version=\"1.0\">\n".
2572              "<head>".
2573              "  <title>$site_name Git OPML Export</title>\n".
2574              "</head>\n".
2575              "<body>\n".
2576              "<outline text=\"git RSS feeds\">\n";
2577
2578        foreach my $pr (@list) {
2579                my %proj = %$pr;
2580                my $head = git_read_head($proj{'path'});
2581                if (!defined $head) {
2582                        next;
2583                }
2584                $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
2585                my %co = git_read_commit($head);
2586                if (!%co) {
2587                        next;
2588                }
2589
2590                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
2591                my $rss  = "$my_url?p=$proj{'path'};a=rss";
2592                my $html = "$my_url?p=$proj{'path'};a=summary";
2593                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
2594        }
2595        print "</outline>\n".
2596              "</body>\n".
2597              "</opml>\n";
2598}