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

   1#!/usr/bin/perl
   2
   3# gitweb - simple web interface to track changes in git repositories
   4#
   5# (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
   6# (C) 2005, Christian Gierke
   7#
   8# This program is licensed under the GPLv2
   9
  10use strict;
  11use warnings;
  12use CGI qw(:standard :escapeHTML -nosticky);
  13use CGI::Util qw(unescape);
  14use CGI::Carp qw(fatalsToBrowser);
  15use Encode;
  16use Fcntl ':mode';
  17use File::Find qw();
  18binmode STDOUT, ':utf8';
  19
  20our $cgi = new CGI;
  21our $version = "++GIT_VERSION++";
  22our $my_url = $cgi->url();
  23our $my_uri = $cgi->url(-absolute => 1);
  24
  25# core git executable to use
  26# this can just be "git" if your webserver has a sensible PATH
  27our $GIT = "++GIT_BINDIR++/git";
  28
  29# absolute fs-path which will be prepended to the project path
  30#our $projectroot = "/pub/scm";
  31our $projectroot = "++GITWEB_PROJECTROOT++";
  32
  33# location for temporary files needed for diffs
  34our $git_temp = "/tmp/gitweb";
  35
  36# target of the home link on top of all pages
  37our $home_link = $my_uri;
  38
  39# name of your site or organization to appear in page titles
  40# replace this with something more descriptive for clearer bookmarks
  41our $site_name = "++GITWEB_SITENAME++" || $ENV{'SERVER_NAME'} || "Untitled";
  42
  43# html text to include at home page
  44our $home_text = "++GITWEB_HOMETEXT++";
  45
  46# URI of default stylesheet
  47our $stylesheet = "++GITWEB_CSS++";
  48# URI of GIT logo
  49our $logo = "++GITWEB_LOGO++";
  50
  51# source of projects list
  52our $projects_list = "++GITWEB_LIST++";
  53
  54# default blob_plain mimetype and default charset for text/plain blob
  55our $default_blob_plain_mimetype = 'text/plain';
  56our $default_text_plain_charset  = undef;
  57
  58# file to use for guessing MIME types before trying /etc/mime.types
  59# (relative to the current git repository)
  60our $mimetypes_file = undef;
  61
  62our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
  63require $GITWEB_CONFIG if -e $GITWEB_CONFIG;
  64
  65# version of the core git binary
  66our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
  67
  68$projects_list ||= $projectroot;
  69if (! -d $git_temp) {
  70        mkdir($git_temp, 0700) || die_error(undef, "Couldn't mkdir $git_temp");
  71}
  72
  73# ======================================================================
  74# input validation and dispatch
  75our $action = $cgi->param('a');
  76if (defined $action) {
  77        if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
  78                die_error(undef, "Invalid action parameter");
  79        }
  80        # action which does not check rest of parameters
  81        if ($action eq "opml") {
  82                git_opml();
  83                exit;
  84        }
  85}
  86
  87our $project = ($cgi->param('p') || $ENV{'PATH_INFO'});
  88if (defined $project) {
  89        $project =~ s|^/||;
  90        $project =~ s|/$||;
  91}
  92if (defined $project && $project) {
  93        if (!validate_input($project)) {
  94                die_error(undef, "Invalid project parameter");
  95        }
  96        if (!(-d "$projectroot/$project")) {
  97                die_error(undef, "No such directory");
  98        }
  99        if (!(-e "$projectroot/$project/HEAD")) {
 100                die_error(undef, "No such project");
 101        }
 102        $ENV{'GIT_DIR'} = "$projectroot/$project";
 103} else {
 104        git_project_list();
 105        exit;
 106}
 107
 108our $file_name = $cgi->param('f');
 109if (defined $file_name) {
 110        if (!validate_input($file_name)) {
 111                die_error(undef, "Invalid file parameter");
 112        }
 113}
 114
 115our $hash = $cgi->param('h');
 116if (defined $hash) {
 117        if (!validate_input($hash)) {
 118                die_error(undef, "Invalid hash parameter");
 119        }
 120}
 121
 122our $hash_parent = $cgi->param('hp');
 123if (defined $hash_parent) {
 124        if (!validate_input($hash_parent)) {
 125                die_error(undef, "Invalid hash parent parameter");
 126        }
 127}
 128
 129our $hash_base = $cgi->param('hb');
 130if (defined $hash_base) {
 131        if (!validate_input($hash_base)) {
 132                die_error(undef, "Invalid hash base parameter");
 133        }
 134}
 135
 136our $page = $cgi->param('pg');
 137if (defined $page) {
 138        if ($page =~ m/[^0-9]$/) {
 139                die_error(undef, "Invalid page parameter");
 140        }
 141}
 142
 143our $searchtext = $cgi->param('s');
 144if (defined $searchtext) {
 145        if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 146                die_error(undef, "Invalid search parameter");
 147        }
 148        $searchtext = quotemeta $searchtext;
 149}
 150
 151# dispatch
 152my %actions = (
 153        "blame" => \&git_blame2,
 154        "blobdiff" => \&git_blobdiff,
 155        "blobdiff_plain" => \&git_blobdiff_plain,
 156        "blob" => \&git_blob,
 157        "blob_plain" => \&git_blob_plain,
 158        "commitdiff" => \&git_commitdiff,
 159        "commitdiff_plain" => \&git_commitdiff_plain,
 160        "commit" => \&git_commit,
 161        "heads" => \&git_heads,
 162        "history" => \&git_history,
 163        "log" => \&git_log,
 164        "rss" => \&git_rss,
 165        "search" => \&git_search,
 166        "shortlog" => \&git_shortlog,
 167        "summary" => \&git_summary,
 168        "tag" => \&git_tag,
 169        "tags" => \&git_tags,
 170        "tree" => \&git_tree,
 171);
 172
 173$action = 'summary' if (!defined($action));
 174if (!defined($actions{$action})) {
 175        die_error(undef, "Unknown action");
 176}
 177$actions{$action}->();
 178exit;
 179
 180## ======================================================================
 181## validation, quoting/unquoting and escaping
 182
 183sub validate_input {
 184        my $input = shift;
 185
 186        if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 187                return $input;
 188        }
 189        if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 190                return undef;
 191        }
 192        if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
 193                return undef;
 194        }
 195        return $input;
 196}
 197
 198# quote unsafe chars, but keep the slash, even when it's not
 199# correct, but quoted slashes look too horrible in bookmarks
 200sub esc_param {
 201        my $str = shift;
 202        $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 203        $str =~ s/\+/%2B/g;
 204        $str =~ s/ /\+/g;
 205        return $str;
 206}
 207
 208# replace invalid utf8 character with SUBSTITUTION sequence
 209sub esc_html {
 210        my $str = shift;
 211        $str = decode("utf8", $str, Encode::FB_DEFAULT);
 212        $str = escapeHTML($str);
 213        $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
 214        return $str;
 215}
 216
 217# git may return quoted and escaped filenames
 218sub unquote {
 219        my $str = shift;
 220        if ($str =~ m/^"(.*)"$/) {
 221                $str = $1;
 222                $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 223        }
 224        return $str;
 225}
 226
 227# escape tabs (convert tabs to spaces)
 228sub untabify {
 229        my $line = shift;
 230
 231        while ((my $pos = index($line, "\t")) != -1) {
 232                if (my $count = (8 - ($pos % 8))) {
 233                        my $spaces = ' ' x $count;
 234                        $line =~ s/\t/$spaces/;
 235                }
 236        }
 237
 238        return $line;
 239}
 240
 241## ----------------------------------------------------------------------
 242## HTML aware string manipulation
 243
 244sub chop_str {
 245        my $str = shift;
 246        my $len = shift;
 247        my $add_len = shift || 10;
 248
 249        # allow only $len chars, but don't cut a word if it would fit in $add_len
 250        # if it doesn't fit, cut it if it's still longer than the dots we would add
 251        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 252        my $body = $1;
 253        my $tail = $2;
 254        if (length($tail) > 4) {
 255                $tail = " ...";
 256                $body =~ s/&[^;]*$//; # remove chopped character entities
 257        }
 258        return "$body$tail";
 259}
 260
 261## ----------------------------------------------------------------------
 262## functions returning short strings
 263
 264# CSS class for given age value (in seconds)
 265sub age_class {
 266        my $age = shift;
 267
 268        if ($age < 60*60*2) {
 269                return "age0";
 270        } elsif ($age < 60*60*24*2) {
 271                return "age1";
 272        } else {
 273                return "age2";
 274        }
 275}
 276
 277# convert age in seconds to "nn units ago" string
 278sub age_string {
 279        my $age = shift;
 280        my $age_str;
 281
 282        if ($age > 60*60*24*365*2) {
 283                $age_str = (int $age/60/60/24/365);
 284                $age_str .= " years ago";
 285        } elsif ($age > 60*60*24*(365/12)*2) {
 286                $age_str = int $age/60/60/24/(365/12);
 287                $age_str .= " months ago";
 288        } elsif ($age > 60*60*24*7*2) {
 289                $age_str = int $age/60/60/24/7;
 290                $age_str .= " weeks ago";
 291        } elsif ($age > 60*60*24*2) {
 292                $age_str = int $age/60/60/24;
 293                $age_str .= " days ago";
 294        } elsif ($age > 60*60*2) {
 295                $age_str = int $age/60/60;
 296                $age_str .= " hours ago";
 297        } elsif ($age > 60*2) {
 298                $age_str = int $age/60;
 299                $age_str .= " min ago";
 300        } elsif ($age > 2) {
 301                $age_str = int $age;
 302                $age_str .= " sec ago";
 303        } else {
 304                $age_str .= " right now";
 305        }
 306        return $age_str;
 307}
 308
 309# convert file mode in octal to symbolic file mode string
 310sub mode_str {
 311        my $mode = oct shift;
 312
 313        if (S_ISDIR($mode & S_IFMT)) {
 314                return 'drwxr-xr-x';
 315        } elsif (S_ISLNK($mode)) {
 316                return 'lrwxrwxrwx';
 317        } elsif (S_ISREG($mode)) {
 318                # git cares only about the executable bit
 319                if ($mode & S_IXUSR) {
 320                        return '-rwxr-xr-x';
 321                } else {
 322                        return '-rw-r--r--';
 323                };
 324        } else {
 325                return '----------';
 326        }
 327}
 328
 329# convert file mode in octal to file type string
 330sub file_type {
 331        my $mode = oct shift;
 332
 333        if (S_ISDIR($mode & S_IFMT)) {
 334                return "directory";
 335        } elsif (S_ISLNK($mode)) {
 336                return "symlink";
 337        } elsif (S_ISREG($mode)) {
 338                return "file";
 339        } else {
 340                return "unknown";
 341        }
 342}
 343
 344## ----------------------------------------------------------------------
 345## functions returning short HTML fragments, or transforming HTML fragments
 346## which don't beling to other sections
 347
 348# format line of commit message or tag comment
 349sub format_log_line_html {
 350        my $line = shift;
 351
 352        $line = esc_html($line);
 353        $line =~ s/ /&nbsp;/g;
 354        if ($line =~ m/([0-9a-fA-F]{40})/) {
 355                my $hash_text = $1;
 356                if (git_get_type($hash_text) eq "commit") {
 357                        my $link = $cgi->a({-class => "text", -href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_text")}, $hash_text);
 358                        $line =~ s/$hash_text/$link/;
 359                }
 360        }
 361        return $line;
 362}
 363
 364# format marker of refs pointing to given object
 365sub git_get_referencing {
 366        my ($refs, $id) = @_;
 367
 368        if (defined $refs->{$id}) {
 369                return ' <span class="tag">' . esc_html($refs->{$id}) . '</span>';
 370        } else {
 371                return "";
 372        }
 373}
 374
 375## ----------------------------------------------------------------------
 376## git utility subroutines, invoking git commands
 377
 378# get HEAD ref of given project as hash
 379sub git_read_head {
 380        my $project = shift;
 381        my $oENV = $ENV{'GIT_DIR'};
 382        my $retval = undef;
 383        $ENV{'GIT_DIR'} = "$projectroot/$project";
 384        if (open my $fd, "-|", $GIT, "rev-parse", "--verify", "HEAD") {
 385                my $head = <$fd>;
 386                close $fd;
 387                if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 388                        $retval = $1;
 389                }
 390        }
 391        if (defined $oENV) {
 392                $ENV{'GIT_DIR'} = $oENV;
 393        }
 394        return $retval;
 395}
 396
 397# get type of given object
 398sub git_get_type {
 399        my $hash = shift;
 400
 401        open my $fd, "-|", $GIT, "cat-file", '-t', $hash or return;
 402        my $type = <$fd>;
 403        close $fd or return;
 404        chomp $type;
 405        return $type;
 406}
 407
 408sub git_get_project_config {
 409        my $key = shift;
 410
 411        return unless ($key);
 412        $key =~ s/^gitweb\.//;
 413        return if ($key =~ m/\W/);
 414
 415        my $val = qx($GIT repo-config --get gitweb.$key);
 416        return ($val);
 417}
 418
 419sub git_get_project_config_bool {
 420        my $val = git_get_project_config (@_);
 421        if ($val and $val =~ m/true|yes|on/) {
 422                return (1);
 423        }
 424        return; # implicit false
 425}
 426
 427# get hash of given path at given ref
 428sub git_get_hash_by_path {
 429        my $base = shift;
 430        my $path = shift || return undef;
 431
 432        my $tree = $base;
 433
 434        open my $fd, "-|", $GIT, "ls-tree", $base, "--", $path
 435                or die_error(undef, "Open git-ls-tree failed");
 436        my $line = <$fd>;
 437        close $fd or return undef;
 438
 439        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
 440        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
 441        return $3;
 442}
 443
 444## ......................................................................
 445## git utility functions, directly accessing git repository
 446
 447# assumes that PATH is not symref
 448sub git_read_hash {
 449        my $path = shift;
 450
 451        open my $fd, "$projectroot/$path" or return undef;
 452        my $head = <$fd>;
 453        close $fd;
 454        chomp $head;
 455        if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 456                return $head;
 457        }
 458}
 459
 460sub git_read_description {
 461        my $path = shift;
 462
 463        open my $fd, "$projectroot/$path/description" or return undef;
 464        my $descr = <$fd>;
 465        close $fd;
 466        chomp $descr;
 467        return $descr;
 468}
 469
 470sub git_read_projects {
 471        my @list;
 472
 473        if (-d $projects_list) {
 474                # search in directory
 475                my $dir = $projects_list;
 476                opendir my ($dh), $dir or return undef;
 477                while (my $dir = readdir($dh)) {
 478                        if (-e "$projectroot/$dir/HEAD") {
 479                                my $pr = {
 480                                        path => $dir,
 481                                };
 482                                push @list, $pr
 483                        }
 484                }
 485                closedir($dh);
 486        } elsif (-f $projects_list) {
 487                # read from file(url-encoded):
 488                # 'git%2Fgit.git Linus+Torvalds'
 489                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 490                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 491                open my ($fd), $projects_list or return undef;
 492                while (my $line = <$fd>) {
 493                        chomp $line;
 494                        my ($path, $owner) = split ' ', $line;
 495                        $path = unescape($path);
 496                        $owner = unescape($owner);
 497                        if (!defined $path) {
 498                                next;
 499                        }
 500                        if (-e "$projectroot/$path/HEAD") {
 501                                my $pr = {
 502                                        path => $path,
 503                                        owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 504                                };
 505                                push @list, $pr
 506                        }
 507                }
 508                close $fd;
 509        }
 510        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 511        return @list;
 512}
 513
 514sub read_info_ref {
 515        my $type = shift || "";
 516        my %refs;
 517        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 518        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 519        open my $fd, "$projectroot/$project/info/refs" or return;
 520        while (my $line = <$fd>) {
 521                chomp $line;
 522                # attention: for $type == "" it saves only last path part of ref name
 523                # e.g. from 'refs/heads/jn/gitweb' it would leave only 'gitweb'
 524                if ($line =~ m/^([0-9a-fA-F]{40})\t.*$type\/([^\^]+)/) {
 525                        if (defined $refs{$1}) {
 526                                $refs{$1} .= " / $2";
 527                        } else {
 528                                $refs{$1} = $2;
 529                        }
 530                }
 531        }
 532        close $fd or return;
 533        return \%refs;
 534}
 535
 536## ----------------------------------------------------------------------
 537## parse to hash functions
 538
 539sub date_str {
 540        my $epoch = shift;
 541        my $tz = shift || "-0000";
 542
 543        my %date;
 544        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 545        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 546        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 547        $date{'hour'} = $hour;
 548        $date{'minute'} = $min;
 549        $date{'mday'} = $mday;
 550        $date{'day'} = $days[$wday];
 551        $date{'month'} = $months[$mon];
 552        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 553        $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 554
 555        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 556        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 557        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 558        $date{'hour_local'} = $hour;
 559        $date{'minute_local'} = $min;
 560        $date{'tz_local'} = $tz;
 561        return %date;
 562}
 563
 564sub git_read_tag {
 565        my $tag_id = shift;
 566        my %tag;
 567        my @comment;
 568
 569        open my $fd, "-|", $GIT, "cat-file", "tag", $tag_id or return;
 570        $tag{'id'} = $tag_id;
 571        while (my $line = <$fd>) {
 572                chomp $line;
 573                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 574                        $tag{'object'} = $1;
 575                } elsif ($line =~ m/^type (.+)$/) {
 576                        $tag{'type'} = $1;
 577                } elsif ($line =~ m/^tag (.+)$/) {
 578                        $tag{'name'} = $1;
 579                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 580                        $tag{'author'} = $1;
 581                        $tag{'epoch'} = $2;
 582                        $tag{'tz'} = $3;
 583                } elsif ($line =~ m/--BEGIN/) {
 584                        push @comment, $line;
 585                        last;
 586                } elsif ($line eq "") {
 587                        last;
 588                }
 589        }
 590        push @comment, <$fd>;
 591        $tag{'comment'} = \@comment;
 592        close $fd or return;
 593        if (!defined $tag{'name'}) {
 594                return
 595        };
 596        return %tag
 597}
 598
 599sub git_read_commit {
 600        my $commit_id = shift;
 601        my $commit_text = shift;
 602
 603        my @commit_lines;
 604        my %co;
 605
 606        if (defined $commit_text) {
 607                @commit_lines = @$commit_text;
 608        } else {
 609                $/ = "\0";
 610                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", "--max-count=1", $commit_id or return;
 611                @commit_lines = split '\n', <$fd>;
 612                close $fd or return;
 613                $/ = "\n";
 614                pop @commit_lines;
 615        }
 616        my $header = shift @commit_lines;
 617        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 618                return;
 619        }
 620        ($co{'id'}, my @parents) = split ' ', $header;
 621        $co{'parents'} = \@parents;
 622        $co{'parent'} = $parents[0];
 623        while (my $line = shift @commit_lines) {
 624                last if $line eq "\n";
 625                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 626                        $co{'tree'} = $1;
 627                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 628                        $co{'author'} = $1;
 629                        $co{'author_epoch'} = $2;
 630                        $co{'author_tz'} = $3;
 631                        if ($co{'author'} =~ m/^([^<]+) </) {
 632                                $co{'author_name'} = $1;
 633                        } else {
 634                                $co{'author_name'} = $co{'author'};
 635                        }
 636                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 637                        $co{'committer'} = $1;
 638                        $co{'committer_epoch'} = $2;
 639                        $co{'committer_tz'} = $3;
 640                        $co{'committer_name'} = $co{'committer'};
 641                        $co{'committer_name'} =~ s/ <.*//;
 642                }
 643        }
 644        if (!defined $co{'tree'}) {
 645                return;
 646        };
 647
 648        foreach my $title (@commit_lines) {
 649                $title =~ s/^    //;
 650                if ($title ne "") {
 651                        $co{'title'} = chop_str($title, 80, 5);
 652                        # remove leading stuff of merges to make the interesting part visible
 653                        if (length($title) > 50) {
 654                                $title =~ s/^Automatic //;
 655                                $title =~ s/^merge (of|with) /Merge ... /i;
 656                                if (length($title) > 50) {
 657                                        $title =~ s/(http|rsync):\/\///;
 658                                }
 659                                if (length($title) > 50) {
 660                                        $title =~ s/(master|www|rsync)\.//;
 661                                }
 662                                if (length($title) > 50) {
 663                                        $title =~ s/kernel.org:?//;
 664                                }
 665                                if (length($title) > 50) {
 666                                        $title =~ s/\/pub\/scm//;
 667                                }
 668                        }
 669                        $co{'title_short'} = chop_str($title, 50, 5);
 670                        last;
 671                }
 672        }
 673        # remove added spaces
 674        foreach my $line (@commit_lines) {
 675                $line =~ s/^    //;
 676        }
 677        $co{'comment'} = \@commit_lines;
 678
 679        my $age = time - $co{'committer_epoch'};
 680        $co{'age'} = $age;
 681        $co{'age_string'} = age_string($age);
 682        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 683        if ($age > 60*60*24*7*2) {
 684                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 685                $co{'age_string_age'} = $co{'age_string'};
 686        } else {
 687                $co{'age_string_date'} = $co{'age_string'};
 688                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 689        }
 690        return %co;
 691}
 692
 693## ......................................................................
 694## parse to array of hashes functions
 695
 696sub git_read_refs {
 697        my $ref_dir = shift;
 698        my @reflist;
 699
 700        my @refs;
 701        my $pfxlen = length("$projectroot/$project/$ref_dir");
 702        File::Find::find(sub {
 703                return if (/^\./);
 704                if (-f $_) {
 705                        push @refs, substr($File::Find::name, $pfxlen + 1);
 706                }
 707        }, "$projectroot/$project/$ref_dir");
 708
 709        foreach my $ref_file (@refs) {
 710                my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 711                my $type = git_get_type($ref_id) || next;
 712                my %ref_item;
 713                my %co;
 714                $ref_item{'type'} = $type;
 715                $ref_item{'id'} = $ref_id;
 716                $ref_item{'epoch'} = 0;
 717                $ref_item{'age'} = "unknown";
 718                if ($type eq "tag") {
 719                        my %tag = git_read_tag($ref_id);
 720                        $ref_item{'comment'} = $tag{'comment'};
 721                        if ($tag{'type'} eq "commit") {
 722                                %co = git_read_commit($tag{'object'});
 723                                $ref_item{'epoch'} = $co{'committer_epoch'};
 724                                $ref_item{'age'} = $co{'age_string'};
 725                        } elsif (defined($tag{'epoch'})) {
 726                                my $age = time - $tag{'epoch'};
 727                                $ref_item{'epoch'} = $tag{'epoch'};
 728                                $ref_item{'age'} = age_string($age);
 729                        }
 730                        $ref_item{'reftype'} = $tag{'type'};
 731                        $ref_item{'name'} = $tag{'name'};
 732                        $ref_item{'refid'} = $tag{'object'};
 733                } elsif ($type eq "commit"){
 734                        %co = git_read_commit($ref_id);
 735                        $ref_item{'reftype'} = "commit";
 736                        $ref_item{'name'} = $ref_file;
 737                        $ref_item{'title'} = $co{'title'};
 738                        $ref_item{'refid'} = $ref_id;
 739                        $ref_item{'epoch'} = $co{'committer_epoch'};
 740                        $ref_item{'age'} = $co{'age_string'};
 741                } else {
 742                        $ref_item{'reftype'} = $type;
 743                        $ref_item{'name'} = $ref_file;
 744                        $ref_item{'refid'} = $ref_id;
 745                }
 746
 747                push @reflist, \%ref_item;
 748        }
 749        # sort tags by age
 750        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
 751        return \@reflist;
 752}
 753
 754## ----------------------------------------------------------------------
 755## filesystem-related functions
 756
 757sub get_file_owner {
 758        my $path = shift;
 759
 760        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 761        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 762        if (!defined $gcos) {
 763                return undef;
 764        }
 765        my $owner = $gcos;
 766        $owner =~ s/[,;].*$//;
 767        return decode("utf8", $owner, Encode::FB_DEFAULT);
 768}
 769
 770## ......................................................................
 771## mimetype related functions
 772
 773sub mimetype_guess_file {
 774        my $filename = shift;
 775        my $mimemap = shift;
 776        -r $mimemap or return undef;
 777
 778        my %mimemap;
 779        open(MIME, $mimemap) or return undef;
 780        while (<MIME>) {
 781                my ($mime, $exts) = split(/\t+/);
 782                if (defined $exts) {
 783                        my @exts = split(/\s+/, $exts);
 784                        foreach my $ext (@exts) {
 785                                $mimemap{$ext} = $mime;
 786                        }
 787                }
 788        }
 789        close(MIME);
 790
 791        $filename =~ /\.(.*?)$/;
 792        return $mimemap{$1};
 793}
 794
 795sub mimetype_guess {
 796        my $filename = shift;
 797        my $mime;
 798        $filename =~ /\./ or return undef;
 799
 800        if ($mimetypes_file) {
 801                my $file = $mimetypes_file;
 802                #$file =~ m#^/# or $file = "$projectroot/$path/$file";
 803                $mime = mimetype_guess_file($filename, $file);
 804        }
 805        $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
 806        return $mime;
 807}
 808
 809sub git_blob_plain_mimetype {
 810        my $fd = shift;
 811        my $filename = shift;
 812
 813        if ($filename) {
 814                my $mime = mimetype_guess($filename);
 815                $mime and return $mime;
 816        }
 817
 818        # just in case
 819        return $default_blob_plain_mimetype unless $fd;
 820
 821        if (-T $fd) {
 822                return 'text/plain' .
 823                       ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
 824        } elsif (! $filename) {
 825                return 'application/octet-stream';
 826        } elsif ($filename =~ m/\.png$/i) {
 827                return 'image/png';
 828        } elsif ($filename =~ m/\.gif$/i) {
 829                return 'image/gif';
 830        } elsif ($filename =~ m/\.jpe?g$/i) {
 831                return 'image/jpeg';
 832        } else {
 833                return 'application/octet-stream';
 834        }
 835}
 836
 837## ======================================================================
 838## functions printing HTML: header, footer, error page
 839
 840sub git_header_html {
 841        my $status = shift || "200 OK";
 842        my $expires = shift;
 843
 844        my $title = "$site_name git";
 845        if (defined $project) {
 846                $title .= " - $project";
 847                if (defined $action) {
 848                        $title .= "/$action";
 849                        if (defined $file_name) {
 850                                $title .= " - $file_name";
 851                                if ($action eq "tree" && $file_name !~ m|/$|) {
 852                                        $title .= "/";
 853                                }
 854                        }
 855                }
 856        }
 857        my $content_type;
 858        # require explicit support from the UA if we are to send the page as
 859        # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
 860        # we have to do this because MSIE sometimes globs '*/*', pretending to
 861        # support xhtml+xml but choking when it gets what it asked for.
 862        if (defined $cgi->http('HTTP_ACCEPT') && $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ && $cgi->Accept('application/xhtml+xml') != 0) {
 863                $content_type = 'application/xhtml+xml';
 864        } else {
 865                $content_type = 'text/html';
 866        }
 867        print $cgi->header(-type=>$content_type, -charset => 'utf-8', -status=> $status, -expires => $expires);
 868        print <<EOF;
 869<?xml version="1.0" encoding="utf-8"?>
 870<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 871<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 872<!-- git web interface v$version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
 873<!-- git core binaries version $git_version -->
 874<head>
 875<meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
 876<meta name="robots" content="index, nofollow"/>
 877<title>$title</title>
 878<link rel="stylesheet" type="text/css" href="$stylesheet"/>
 879EOF
 880        if (defined $project) {
 881                printf('<link rel="alternate" title="%s log" '.
 882                       'href="%s" type="application/rss+xml"/>'."\n",
 883                       esc_param($project),
 884                       esc_param("$my_uri?p=$project;a=rss"));
 885        }
 886
 887        print "</head>\n" .
 888              "<body>\n" .
 889              "<div class=\"page_header\">\n" .
 890              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 891              "<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 892              "</a>\n";
 893        print $cgi->a({-href => esc_param($home_link)}, "projects") . " / ";
 894        if (defined $project) {
 895                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, esc_html($project));
 896                if (defined $action) {
 897                        print " / $action";
 898                }
 899                print "\n";
 900                if (!defined $searchtext) {
 901                        $searchtext = "";
 902                }
 903                my $search_hash;
 904                if (defined $hash_base) {
 905                        $search_hash = $hash_base;
 906                } elsif (defined $hash) {
 907                        $search_hash = $hash;
 908                } else {
 909                        $search_hash = "HEAD";
 910                }
 911                $cgi->param("a", "search");
 912                $cgi->param("h", $search_hash);
 913                print $cgi->startform(-method => "get", -action => $my_uri) .
 914                      "<div class=\"search\">\n" .
 915                      $cgi->hidden(-name => "p") . "\n" .
 916                      $cgi->hidden(-name => "a") . "\n" .
 917                      $cgi->hidden(-name => "h") . "\n" .
 918                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 919                      "</div>" .
 920                      $cgi->end_form() . "\n";
 921        }
 922        print "</div>\n";
 923}
 924
 925sub git_footer_html {
 926        print "<div class=\"page_footer\">\n";
 927        if (defined $project) {
 928                my $descr = git_read_description($project);
 929                if (defined $descr) {
 930                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
 931                }
 932                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=rss"), -class => "rss_logo"}, "RSS") . "\n";
 933        } else {
 934                print $cgi->a({-href => "$my_uri?" . esc_param("a=opml"), -class => "rss_logo"}, "OPML") . "\n";
 935        }
 936        print "</div>\n" .
 937              "</body>\n" .
 938              "</html>";
 939}
 940
 941sub die_error {
 942        my $status = shift || "403 Forbidden";
 943        my $error = shift || "Malformed query, file missing or permission denied";
 944
 945        git_header_html($status);
 946        print "<div class=\"page_body\">\n" .
 947              "<br/><br/>\n" .
 948              "$status - $error\n" .
 949              "<br/>\n" .
 950              "</div>\n";
 951        git_footer_html();
 952        exit;
 953}
 954
 955## ----------------------------------------------------------------------
 956## functions printing or outputting HTML: navigation
 957
 958sub git_page_nav {
 959        my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
 960        $extra = '' if !defined $extra; # pager or formats
 961
 962        my @navs = qw(summary shortlog log commit commitdiff tree);
 963        if ($suppress) {
 964                @navs = grep { $_ ne $suppress } @navs;
 965        }
 966
 967        my %arg = map { $_, ''} @navs;
 968        if (defined $head) {
 969                for (qw(commit commitdiff)) {
 970                        $arg{$_} = ";h=$head";
 971                }
 972                if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
 973                        for (qw(shortlog log)) {
 974                                $arg{$_} = ";h=$head";
 975                        }
 976                }
 977        }
 978        $arg{tree} .= ";h=$treehead" if defined $treehead;
 979        $arg{tree} .= ";hb=$treebase" if defined $treebase;
 980
 981        print "<div class=\"page_nav\">\n" .
 982                (join " | ",
 983                 map { $_ eq $current
 984                                         ? $_
 985                                         : $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$_$arg{$_}")}, "$_")
 986                                 }
 987                 @navs);
 988        print "<br/>\n$extra<br/>\n" .
 989              "</div>\n";
 990}
 991
 992sub git_get_paging_nav {
 993        my ($action, $hash, $head, $page, $nrevs) = @_;
 994        my $paging_nav;
 995
 996
 997        if ($hash ne $head || $page) {
 998                $paging_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action")}, "HEAD");
 999        } else {
1000                $paging_nav .= "HEAD";
1001        }
1002
1003        if ($page > 0) {
1004                $paging_nav .= " &sdot; " .
1005                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action;h=$hash;pg=" . ($page-1)),
1006                                 -accesskey => "p", -title => "Alt-p"}, "prev");
1007        } else {
1008                $paging_nav .= " &sdot; prev";
1009        }
1010
1011        if ($nrevs >= (100 * ($page+1)-1)) {
1012                $paging_nav .= " &sdot; " .
1013                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action;h=$hash;pg=" . ($page+1)),
1014                                 -accesskey => "n", -title => "Alt-n"}, "next");
1015        } else {
1016                $paging_nav .= " &sdot; next";
1017        }
1018
1019        return $paging_nav;
1020}
1021
1022## ......................................................................
1023## functions printing or outputting HTML: div
1024
1025sub git_header_div {
1026        my ($action, $title, $hash, $hash_base) = @_;
1027        my $rest = '';
1028
1029        $rest .= ";h=$hash" if $hash;
1030        $rest .= ";hb=$hash_base" if $hash_base;
1031
1032        print "<div class=\"header\">\n" .
1033              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action$rest"),
1034                       -class => "title"}, $title ? $title : $action) . "\n" .
1035              "</div>\n";
1036}
1037
1038sub git_print_page_path {
1039        my $name = shift;
1040        my $type = shift;
1041
1042        if (!defined $name) {
1043                print "<div class=\"page_path\"><b>/</b></div>\n";
1044        } elsif (defined $type && $type eq 'blob') {
1045                print "<div class=\"page_path\"><b>" .
1046                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;f=$file_name")}, esc_html($name)) . "</b><br/></div>\n";
1047        } else {
1048                print "<div class=\"page_path\"><b>" . esc_html($name) . "</b><br/></div>\n";
1049        }
1050}
1051
1052## ......................................................................
1053## functions printing large fragments of HTML
1054
1055sub git_shortlog_body {
1056        # uses global variable $project
1057        my ($revlist, $from, $to, $refs, $extra) = @_;
1058        $from = 0 unless defined $from;
1059        $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
1060
1061        print "<table class=\"shortlog\" cellspacing=\"0\">\n";
1062        my $alternate = 0;
1063        for (my $i = $from; $i <= $to; $i++) {
1064                my $commit = $revlist->[$i];
1065                #my $ref = defined $refs ? git_get_referencing($refs, $commit) : '';
1066                my $ref = git_get_referencing($refs, $commit);
1067                my %co = git_read_commit($commit);
1068                if ($alternate) {
1069                        print "<tr class=\"dark\">\n";
1070                } else {
1071                        print "<tr class=\"light\">\n";
1072                }
1073                $alternate ^= 1;
1074                # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
1075                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1076                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1077                      "<td>";
1078                if (length($co{'title_short'}) < length($co{'title'})) {
1079                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"),
1080                                       -class => "list", -title => "$co{'title'}"},
1081                              "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
1082                } else {
1083                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"),
1084                                       -class => "list"},
1085                              "<b>" . esc_html($co{'title'}) . "$ref</b>");
1086                }
1087                print "</td>\n" .
1088                      "<td class=\"link\">" .
1089                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") . " | " .
1090                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1091                      "</td>\n" .
1092                      "</tr>\n";
1093        }
1094        if (defined $extra) {
1095                print "<tr>\n" .
1096                      "<td colspan=\"4\">$extra</td>\n" .
1097                      "</tr>\n";
1098        }
1099        print "</table>\n";
1100}
1101
1102sub git_tags_body {
1103        # uses global variable $project
1104        my ($taglist, $from, $to, $extra) = @_;
1105        $from = 0 unless defined $from;
1106        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1107
1108        print "<table class=\"tags\" cellspacing=\"0\">\n";
1109        my $alternate = 0;
1110        for (my $i = $from; $i <= $to; $i++) {
1111                my $entry = $taglist->[$i];
1112                my %tag = %$entry;
1113                my $comment_lines = $tag{'comment'};
1114                my $comment = shift @$comment_lines;
1115                my $comment_short;
1116                if (defined $comment) {
1117                        $comment_short = chop_str($comment, 30, 5);
1118                }
1119                if ($alternate) {
1120                        print "<tr class=\"dark\">\n";
1121                } else {
1122                        print "<tr class=\"light\">\n";
1123                }
1124                $alternate ^= 1;
1125                print "<td><i>$tag{'age'}</i></td>\n" .
1126                      "<td>" .
1127                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"),
1128                               -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1129                      "</td>\n" .
1130                      "<td>";
1131                if (defined $comment) {
1132                        if (length($comment_short) < length($comment)) {
1133                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}"),
1134                                               -class => "list", -title => $comment}, $comment_short);
1135                        } else {
1136                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}"),
1137                                               -class => "list"}, $comment);
1138                        }
1139                }
1140                print "</td>\n" .
1141                      "<td class=\"selflink\">";
1142                if ($tag{'type'} eq "tag") {
1143                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag");
1144                } else {
1145                        print "&nbsp;";
1146                }
1147                print "</td>\n" .
1148                      "<td class=\"link\">" . " | " .
1149                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1150                if ($tag{'reftype'} eq "commit") {
1151                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1152                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1153                } elsif ($tag{'reftype'} eq "blob") {
1154                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$tag{'refid'}")}, "raw");
1155                }
1156                print "</td>\n" .
1157                      "</tr>";
1158        }
1159        if (defined $extra) {
1160                print "<tr>\n" .
1161                      "<td colspan=\"5\">$extra</td>\n" .
1162                      "</tr>\n";
1163        }
1164        print "</table>\n";
1165}
1166
1167sub git_heads_body {
1168        # uses global variable $project
1169        my ($taglist, $head, $from, $to, $extra) = @_;
1170        $from = 0 unless defined $from;
1171        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1172
1173        print "<table class=\"heads\" cellspacing=\"0\">\n";
1174        my $alternate = 0;
1175        for (my $i = $from; $i <= $to; $i++) {
1176                my $entry = $taglist->[$i];
1177                my %tag = %$entry;
1178                my $curr = $tag{'id'} eq $head;
1179                if ($alternate) {
1180                        print "<tr class=\"dark\">\n";
1181                } else {
1182                        print "<tr class=\"light\">\n";
1183                }
1184                $alternate ^= 1;
1185                print "<td><i>$tag{'age'}</i></td>\n" .
1186                      ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
1187                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"),
1188                               -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1189                      "</td>\n" .
1190                      "<td class=\"link\">" .
1191                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") . " | " .
1192                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1193                      "</td>\n" .
1194                      "</tr>";
1195        }
1196        if (defined $extra) {
1197                print "<tr>\n" .
1198                      "<td colspan=\"3\">$extra</td>\n" .
1199                      "</tr>\n";
1200        }
1201        print "</table>\n";
1202}
1203
1204## ----------------------------------------------------------------------
1205## functions printing large fragments, format as one of arguments
1206
1207sub git_diff_print {
1208        my $from = shift;
1209        my $from_name = shift;
1210        my $to = shift;
1211        my $to_name = shift;
1212        my $format = shift || "html";
1213
1214        my $from_tmp = "/dev/null";
1215        my $to_tmp = "/dev/null";
1216        my $pid = $$;
1217
1218        # create tmp from-file
1219        if (defined $from) {
1220                $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
1221                open my $fd2, "> $from_tmp";
1222                open my $fd, "-|", $GIT, "cat-file", "blob", $from;
1223                my @file = <$fd>;
1224                print $fd2 @file;
1225                close $fd2;
1226                close $fd;
1227        }
1228
1229        # create tmp to-file
1230        if (defined $to) {
1231                $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
1232                open my $fd2, "> $to_tmp";
1233                open my $fd, "-|", $GIT, "cat-file", "blob", $to;
1234                my @file = <$fd>;
1235                print $fd2 @file;
1236                close $fd2;
1237                close $fd;
1238        }
1239
1240        open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
1241        if ($format eq "plain") {
1242                undef $/;
1243                print <$fd>;
1244                $/ = "\n";
1245        } else {
1246                while (my $line = <$fd>) {
1247                        chomp $line;
1248                        my $char = substr($line, 0, 1);
1249                        my $diff_class = "";
1250                        if ($char eq '+') {
1251                                $diff_class = " add";
1252                        } elsif ($char eq "-") {
1253                                $diff_class = " rem";
1254                        } elsif ($char eq "@") {
1255                                $diff_class = " chunk_header";
1256                        } elsif ($char eq "\\") {
1257                                # skip errors
1258                                next;
1259                        }
1260                        $line = untabify($line);
1261                        print "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
1262                }
1263        }
1264        close $fd;
1265
1266        if (defined $from) {
1267                unlink($from_tmp);
1268        }
1269        if (defined $to) {
1270                unlink($to_tmp);
1271        }
1272}
1273
1274
1275## ======================================================================
1276## ======================================================================
1277## actions
1278
1279sub git_project_list {
1280        my $order = $cgi->param('o');
1281        if (defined $order && $order !~ m/project|descr|owner|age/) {
1282                die_error(undef, "Unknown order parameter");
1283        }
1284
1285        my @list = git_read_projects();
1286        my @projects;
1287        if (!@list) {
1288                die_error(undef, "No projects found");
1289        }
1290        foreach my $pr (@list) {
1291                my $head = git_read_head($pr->{'path'});
1292                if (!defined $head) {
1293                        next;
1294                }
1295                $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
1296                my %co = git_read_commit($head);
1297                if (!%co) {
1298                        next;
1299                }
1300                $pr->{'commit'} = \%co;
1301                if (!defined $pr->{'descr'}) {
1302                        my $descr = git_read_description($pr->{'path'}) || "";
1303                        $pr->{'descr'} = chop_str($descr, 25, 5);
1304                }
1305                if (!defined $pr->{'owner'}) {
1306                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
1307                }
1308                push @projects, $pr;
1309        }
1310
1311        git_header_html();
1312        if (-f $home_text) {
1313                print "<div class=\"index_include\">\n";
1314                open (my $fd, $home_text);
1315                print <$fd>;
1316                close $fd;
1317                print "</div>\n";
1318        }
1319        print "<table class=\"project_list\">\n" .
1320              "<tr>\n";
1321        $order ||= "project";
1322        if ($order eq "project") {
1323                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
1324                print "<th>Project</th>\n";
1325        } else {
1326                print "<th>" .
1327                      $cgi->a({-href => "$my_uri?" . esc_param("o=project"),
1328                               -class => "header"}, "Project") .
1329                      "</th>\n";
1330        }
1331        if ($order eq "descr") {
1332                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
1333                print "<th>Description</th>\n";
1334        } else {
1335                print "<th>" .
1336                      $cgi->a({-href => "$my_uri?" . esc_param("o=descr"),
1337                               -class => "header"}, "Description") .
1338                      "</th>\n";
1339        }
1340        if ($order eq "owner") {
1341                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
1342                print "<th>Owner</th>\n";
1343        } else {
1344                print "<th>" .
1345                      $cgi->a({-href => "$my_uri?" . esc_param("o=owner"),
1346                               -class => "header"}, "Owner") .
1347                      "</th>\n";
1348        }
1349        if ($order eq "age") {
1350                @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
1351                print "<th>Last Change</th>\n";
1352        } else {
1353                print "<th>" .
1354                      $cgi->a({-href => "$my_uri?" . esc_param("o=age"),
1355                               -class => "header"}, "Last Change") .
1356                      "</th>\n";
1357        }
1358        print "<th></th>\n" .
1359              "</tr>\n";
1360        my $alternate = 0;
1361        foreach my $pr (@projects) {
1362                if ($alternate) {
1363                        print "<tr class=\"dark\">\n";
1364                } else {
1365                        print "<tr class=\"light\">\n";
1366                }
1367                $alternate ^= 1;
1368                print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary"),
1369                                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
1370                      "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
1371                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
1372                print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" .
1373                      $pr->{'commit'}{'age_string'} . "</td>\n" .
1374                      "<td class=\"link\">" .
1375                      $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary")}, "summary")   . " | " .
1376                      $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=shortlog")}, "shortlog") . " | " .
1377                      $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=log")}, "log") .
1378                      "</td>\n" .
1379                      "</tr>\n";
1380        }
1381        print "</table>\n";
1382        git_footer_html();
1383}
1384
1385sub git_summary {
1386        my $descr = git_read_description($project) || "none";
1387        my $head = git_read_head($project);
1388        my %co = git_read_commit($head);
1389        my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1390
1391        my $owner;
1392        if (-f $projects_list) {
1393                open (my $fd , $projects_list);
1394                while (my $line = <$fd>) {
1395                        chomp $line;
1396                        my ($pr, $ow) = split ' ', $line;
1397                        $pr = unescape($pr);
1398                        $ow = unescape($ow);
1399                        if ($pr eq $project) {
1400                                $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
1401                                last;
1402                        }
1403                }
1404                close $fd;
1405        }
1406        if (!defined $owner) {
1407                $owner = get_file_owner("$projectroot/$project");
1408        }
1409
1410        my $refs = read_info_ref();
1411        git_header_html();
1412        git_page_nav('summary','', $head);
1413
1414        print "<div class=\"title\">&nbsp;</div>\n";
1415        print "<table cellspacing=\"0\">\n" .
1416              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
1417              "<tr><td>owner</td><td>$owner</td></tr>\n" .
1418              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
1419              "</table>\n";
1420
1421        open my $fd, "-|", $GIT, "rev-list", "--max-count=17", git_read_head($project)
1422                or die_error(undef, "Open git-rev-list failed");
1423        my @revlist = map { chomp; $_ } <$fd>;
1424        close $fd;
1425        git_header_div('shortlog');
1426        git_shortlog_body(\@revlist, 0, 15, $refs,
1427                          $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "..."));
1428
1429        my $taglist = git_read_refs("refs/tags");
1430        if (defined @$taglist) {
1431                git_header_div('tags');
1432                git_tags_body($taglist, 0, 15,
1433                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags")}, "..."));
1434        }
1435
1436        my $headlist = git_read_refs("refs/heads");
1437        if (defined @$headlist) {
1438                git_header_div('heads');
1439                git_heads_body($headlist, $head, 0, 15,
1440                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads")}, "..."));
1441        }
1442
1443        git_footer_html();
1444}
1445
1446sub git_tag {
1447        my $head = git_read_head($project);
1448        git_header_html();
1449        git_page_nav('','', $head,undef,$head);
1450        my %tag = git_read_tag($hash);
1451        git_header_div('commit', esc_html($tag{'name'}), $hash);
1452        print "<div class=\"title_text\">\n" .
1453              "<table cellspacing=\"0\">\n" .
1454              "<tr>\n" .
1455              "<td>object</td>\n" .
1456              "<td>" . $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'object'}) . "</td>\n" .
1457              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'type'}) . "</td>\n" .
1458              "</tr>\n";
1459        if (defined($tag{'author'})) {
1460                my %ad = date_str($tag{'epoch'}, $tag{'tz'});
1461                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
1462                print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1463        }
1464        print "</table>\n\n" .
1465              "</div>\n";
1466        print "<div class=\"page_body\">";
1467        my $comment = $tag{'comment'};
1468        foreach my $line (@$comment) {
1469                print esc_html($line) . "<br/>\n";
1470        }
1471        print "</div>\n";
1472        git_footer_html();
1473}
1474
1475sub git_blame2 {
1476        my $fd;
1477        my $ftype;
1478        die_error(undef, "Permission denied") if (!git_get_project_config_bool ('blame'));
1479        die_error('404 Not Found', "File name not defined") if (!$file_name);
1480        $hash_base ||= git_read_head($project);
1481        die_error(undef, "Couldn't find base commit") unless ($hash_base);
1482        my %co = git_read_commit($hash_base)
1483                or die_error(undef, "Reading commit failed");
1484        if (!defined $hash) {
1485                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1486                        or die_error(undef, "Error looking up file");
1487        }
1488        $ftype = git_get_type($hash);
1489        if ($ftype !~ "blob") {
1490                die_error("400 Bad Request", "Object is not a blob");
1491        }
1492        open ($fd, "-|", $GIT, "blame", '-l', $file_name, $hash_base)
1493                or die_error(undef, "Open git-blame failed");
1494        git_header_html();
1495        my $formats_nav =
1496                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1497                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head");
1498        git_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1499        git_header_div('commit', esc_html($co{'title'}), $hash_base);
1500        git_print_page_path($file_name, $ftype);
1501        my @rev_color = (qw(light2 dark2));
1502        my $num_colors = scalar(@rev_color);
1503        my $current_color = 0;
1504        my $last_rev;
1505        print "<div class=\"page_body\">\n";
1506        print "<table class=\"blame\">\n";
1507        print "<tr><th>Commit</th><th>Line</th><th>Data</th></tr>\n";
1508        while (<$fd>) {
1509                /^([0-9a-fA-F]{40}).*?(\d+)\)\s{1}(\s*.*)/;
1510                my $full_rev = $1;
1511                my $rev = substr($full_rev, 0, 8);
1512                my $lineno = $2;
1513                my $data = $3;
1514
1515                if (!defined $last_rev) {
1516                        $last_rev = $full_rev;
1517                } elsif ($last_rev ne $full_rev) {
1518                        $last_rev = $full_rev;
1519                        $current_color = ++$current_color % $num_colors;
1520                }
1521                print "<tr class=\"$rev_color[$current_color]\">\n";
1522                print "<td class=\"sha1\">" .
1523                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$full_rev;f=$file_name")}, esc_html($rev)) . "</td>\n";
1524                print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" . esc_html($lineno) . "</a></td>\n";
1525                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
1526                print "</tr>\n";
1527        }
1528        print "</table>\n";
1529        print "</div>";
1530        close $fd or print "Reading blob failed\n";
1531        git_footer_html();
1532}
1533
1534sub git_blame {
1535        my $fd;
1536        die_error('403 Permission denied', "Permission denied") if (!git_get_project_config_bool ('blame'));
1537        die_error('404 Not Found', "File name not defined") if (!$file_name);
1538        $hash_base ||= git_read_head($project);
1539        die_error(undef, "Couldn't find base commit") unless ($hash_base);
1540        my %co = git_read_commit($hash_base)
1541                or die_error(undef, "Reading commit failed");
1542        if (!defined $hash) {
1543                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1544                        or die_error(undef, "Error lookup file");
1545        }
1546        open ($fd, "-|", $GIT, "annotate", '-l', '-t', '-r', $file_name, $hash_base)
1547                or die_error(undef, "Open git-annotate failed");
1548        git_header_html();
1549        my $formats_nav =
1550                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1551                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head");
1552        git_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1553        git_header_div('commit', esc_html($co{'title'}), $hash_base);
1554        git_print_page_path($file_name, 'blob');
1555        print "<div class=\"page_body\">\n";
1556        print <<HTML;
1557<table class="blame">
1558  <tr>
1559    <th>Commit</th>
1560    <th>Age</th>
1561    <th>Author</th>
1562    <th>Line</th>
1563    <th>Data</th>
1564  </tr>
1565HTML
1566        my @line_class = (qw(light dark));
1567        my $line_class_len = scalar (@line_class);
1568        my $line_class_num = $#line_class;
1569        while (my $line = <$fd>) {
1570                my $long_rev;
1571                my $short_rev;
1572                my $author;
1573                my $time;
1574                my $lineno;
1575                my $data;
1576                my $age;
1577                my $age_str;
1578                my $age_class;
1579
1580                chomp $line;
1581                $line_class_num = ($line_class_num + 1) % $line_class_len;
1582
1583                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
1584                        $long_rev = $1;
1585                        $author   = $2;
1586                        $time     = $3;
1587                        $lineno   = $4;
1588                        $data     = $5;
1589                } else {
1590                        print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
1591                        next;
1592                }
1593                $short_rev  = substr ($long_rev, 0, 8);
1594                $age        = time () - $time;
1595                $age_str    = age_string ($age);
1596                $age_str    =~ s/ /&nbsp;/g;
1597                $age_class  = age_class($age);
1598                $author     = esc_html ($author);
1599                $author     =~ s/ /&nbsp;/g;
1600
1601                $data = untabify($data);
1602                $data = esc_html ($data);
1603
1604                print <<HTML;
1605  <tr class="$line_class[$line_class_num]">
1606    <td class="sha1"><a href="$my_uri?${\esc_param ("p=$project;a=commit;h=$long_rev")}" class="text">$short_rev..</a></td>
1607    <td class="$age_class">$age_str</td>
1608    <td>$author</td>
1609    <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
1610    <td class="pre">$data</td>
1611  </tr>
1612HTML
1613        } # while (my $line = <$fd>)
1614        print "</table>\n\n";
1615        close $fd or print "Reading blob failed.\n";
1616        print "</div>";
1617        git_footer_html();
1618}
1619
1620sub git_tags {
1621        my $head = git_read_head($project);
1622        git_header_html();
1623        git_page_nav('','', $head,undef,$head);
1624        git_header_div('summary', $project);
1625
1626        my $taglist = git_read_refs("refs/tags");
1627        if (defined @$taglist) {
1628                git_tags_body($taglist);
1629        }
1630        git_footer_html();
1631}
1632
1633sub git_heads {
1634        my $head = git_read_head($project);
1635        git_header_html();
1636        git_page_nav('','', $head,undef,$head);
1637        git_header_div('summary', $project);
1638
1639        my $taglist = git_read_refs("refs/heads");
1640        if (defined @$taglist) {
1641                git_heads_body($taglist, $head);
1642        }
1643        git_footer_html();
1644}
1645
1646sub git_blob_plain {
1647        if (!defined $hash) {
1648                if (defined $file_name) {
1649                        my $base = $hash_base || git_read_head($project);
1650                        $hash = git_get_hash_by_path($base, $file_name, "blob")
1651                                or die_error(undef, "Error lookup file");
1652                } else {
1653                        die_error(undef, "No file name defined");
1654                }
1655        }
1656        my $type = shift;
1657        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
1658                or die_error(undef, "Couldn't cat $file_name, $hash");
1659
1660        $type ||= git_blob_plain_mimetype($fd, $file_name);
1661
1662        # save as filename, even when no $file_name is given
1663        my $save_as = "$hash";
1664        if (defined $file_name) {
1665                $save_as = $file_name;
1666        } elsif ($type =~ m/^text\//) {
1667                $save_as .= '.txt';
1668        }
1669
1670        print $cgi->header(-type => "$type", '-content-disposition' => "inline; filename=\"$save_as\"");
1671        undef $/;
1672        binmode STDOUT, ':raw';
1673        print <$fd>;
1674        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
1675        $/ = "\n";
1676        close $fd;
1677}
1678
1679sub git_blob {
1680        if (!defined $hash) {
1681                if (defined $file_name) {
1682                        my $base = $hash_base || git_read_head($project);
1683                        $hash = git_get_hash_by_path($base, $file_name, "blob")
1684                                or die_error(undef, "Error lookup file");
1685                } else {
1686                        die_error(undef, "No file name defined");
1687                }
1688        }
1689        my $have_blame = git_get_project_config_bool ('blame');
1690        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
1691                or die_error(undef, "Couldn't cat $file_name, $hash");
1692        my $mimetype = git_blob_plain_mimetype($fd, $file_name);
1693        if ($mimetype !~ m/^text\//) {
1694                close $fd;
1695                return git_blob_plain($mimetype);
1696        }
1697        git_header_html();
1698        my $formats_nav = '';
1699        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1700                if (defined $file_name) {
1701                        if ($have_blame) {
1702                                $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$hash;hb=$hash_base;f=$file_name")}, "blame") . " | ";
1703                        }
1704                        $formats_nav .=
1705                                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") .
1706                                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=HEAD;f=$file_name")}, "head");
1707                } else {
1708                        $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash")}, "plain");
1709                }
1710                git_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1711                git_header_div('commit', esc_html($co{'title'}), $hash_base);
1712        } else {
1713                print "<div class=\"page_nav\">\n" .
1714                      "<br/><br/></div>\n" .
1715                      "<div class=\"title\">$hash</div>\n";
1716        }
1717        git_print_page_path($file_name, "blob");
1718        print "<div class=\"page_body\">\n";
1719        my $nr;
1720        while (my $line = <$fd>) {
1721                chomp $line;
1722                $nr++;
1723                $line = untabify($line);
1724                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
1725        }
1726        close $fd or print "Reading blob failed.\n";
1727        print "</div>";
1728        git_footer_html();
1729}
1730
1731sub git_tree {
1732        if (!defined $hash) {
1733                $hash = git_read_head($project);
1734                if (defined $file_name) {
1735                        my $base = $hash_base || $hash;
1736                        $hash = git_get_hash_by_path($base, $file_name, "tree");
1737                }
1738                if (!defined $hash_base) {
1739                        $hash_base = $hash;
1740                }
1741        }
1742        $/ = "\0";
1743        open my $fd, "-|", $GIT, "ls-tree", '-z', $hash
1744                or die_error(undef, "Open git-ls-tree failed");
1745        my @entries = map { chomp; $_ } <$fd>;
1746        close $fd or die_error(undef, "Reading tree failed");
1747        $/ = "\n";
1748
1749        my $refs = read_info_ref();
1750        my $ref = git_get_referencing($refs, $hash_base);
1751        git_header_html();
1752        my $base_key = "";
1753        my $base = "";
1754        my $have_blame = git_get_project_config_bool ('blame');
1755        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1756                $base_key = ";hb=$hash_base";
1757                git_page_nav('tree','', $hash_base);
1758                git_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
1759        } else {
1760                print "<div class=\"page_nav\">\n";
1761                print "<br/><br/></div>\n";
1762                print "<div class=\"title\">$hash</div>\n";
1763        }
1764        if (defined $file_name) {
1765                $base = esc_html("$file_name/");
1766        }
1767        git_print_page_path($file_name, 'tree');
1768        print "<div class=\"page_body\">\n";
1769        print "<table cellspacing=\"0\">\n";
1770        my $alternate = 0;
1771        foreach my $line (@entries) {
1772                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1773                $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1774                my $t_mode = $1;
1775                my $t_type = $2;
1776                my $t_hash = $3;
1777                my $t_name = validate_input($4);
1778                if ($alternate) {
1779                        print "<tr class=\"dark\">\n";
1780                } else {
1781                        print "<tr class=\"light\">\n";
1782                }
1783                $alternate ^= 1;
1784                print "<td class=\"mode\">" . mode_str($t_mode) . "</td>\n";
1785                if ($t_type eq "blob") {
1786                        print "<td class=\"list\">" .
1787                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name"), -class => "list"}, esc_html($t_name)) .
1788                              "</td>\n" .
1789                              "<td class=\"link\">" .
1790                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name")}, "blob");
1791                        if ($have_blame) {
1792                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$t_hash$base_key;f=$base$t_name")}, "blame");
1793                        }
1794                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$t_hash;hb=$hash_base;f=$base$t_name")}, "history") .
1795                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$t_hash;f=$base$t_name")}, "raw") .
1796                              "</td>\n";
1797                } elsif ($t_type eq "tree") {
1798                        print "<td class=\"list\">" .
1799                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, esc_html($t_name)) .
1800                              "</td>\n" .
1801                              "<td class=\"link\">" .
1802                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, "tree") .
1803                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$hash_base;f=$base$t_name")}, "history") .
1804                              "</td>\n";
1805                }
1806                print "</tr>\n";
1807        }
1808        print "</table>\n" .
1809              "</div>";
1810        git_footer_html();
1811}
1812
1813sub git_log {
1814        my $head = git_read_head($project);
1815        if (!defined $hash) {
1816                $hash = $head;
1817        }
1818        if (!defined $page) {
1819                $page = 0;
1820        }
1821        my $refs = read_info_ref();
1822
1823        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1824        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
1825                or die_error(undef, "Open git-rev-list failed");
1826        my @revlist = map { chomp; $_ } <$fd>;
1827        close $fd;
1828
1829        my $paging_nav = git_get_paging_nav('log', $hash, $head, $page, $#revlist);
1830
1831        git_header_html();
1832        git_page_nav('log','', $hash,undef,undef, $paging_nav);
1833
1834        if (!@revlist) {
1835                my %co = git_read_commit($hash);
1836
1837                git_header_div('summary', $project);
1838                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1839        }
1840        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1841                my $commit = $revlist[$i];
1842                my $ref = git_get_referencing($refs, $commit);
1843                my %co = git_read_commit($commit);
1844                next if !%co;
1845                my %ad = date_str($co{'author_epoch'});
1846                git_header_div('commit',
1847                               "<span class=\"age\">$co{'age_string'}</span>" .
1848                               esc_html($co{'title'}) . $ref,
1849                               $commit);
1850                print "<div class=\"title_text\">\n" .
1851                      "<div class=\"log_link\">\n" .
1852                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1853                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1854                      "<br/>\n" .
1855                      "</div>\n" .
1856                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1857                      "</div>\n" .
1858                      "<div class=\"log_body\">\n";
1859                my $comment = $co{'comment'};
1860                my $empty = 0;
1861                foreach my $line (@$comment) {
1862                        if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1863                                next;
1864                        }
1865                        if ($line eq "") {
1866                                if ($empty) {
1867                                        next;
1868                                }
1869                                $empty = 1;
1870                        } else {
1871                                $empty = 0;
1872                        }
1873                        print format_log_line_html($line) . "<br/>\n";
1874                }
1875                if (!$empty) {
1876                        print "<br/>\n";
1877                }
1878                print "</div>\n";
1879        }
1880        git_footer_html();
1881}
1882
1883sub git_commit {
1884        my %co = git_read_commit($hash);
1885        if (!%co) {
1886                die_error(undef, "Unknown commit object");
1887        }
1888        my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1889        my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1890
1891        my $parent = $co{'parent'};
1892        if (!defined $parent) {
1893                $parent = "--root";
1894        }
1895        open my $fd, "-|", $GIT, "diff-tree", '-r', '-M', $parent, $hash
1896                or die_error(undef, "Open git-diff-tree failed");
1897        my @difftree = map { chomp; $_ } <$fd>;
1898        close $fd or die_error(undef, "Reading git-diff-tree failed");
1899
1900        # non-textual hash id's can be cached
1901        my $expires;
1902        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1903                $expires = "+1d";
1904        }
1905        my $refs = read_info_ref();
1906        my $ref = git_get_referencing($refs, $co{'id'});
1907        my $formats_nav = '';
1908        if (defined $file_name && defined $co{'parent'}) {
1909                my $parent = $co{'parent'};
1910                $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;hb=$parent;f=$file_name")}, "blame");
1911        }
1912        git_header_html(undef, $expires);
1913        git_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
1914                     $hash, $co{'tree'}, $hash,
1915                     $formats_nav);
1916
1917        if (defined $co{'parent'}) {
1918                git_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
1919        } else {
1920                git_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
1921        }
1922        print "<div class=\"title_text\">\n" .
1923              "<table cellspacing=\"0\">\n";
1924        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
1925              "<tr>" .
1926              "<td></td><td> $ad{'rfc2822'}";
1927        if ($ad{'hour_local'} < 6) {
1928                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1929        } else {
1930                printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1931        }
1932        print "</td>" .
1933              "</tr>\n";
1934        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
1935        print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1936        print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
1937        print "<tr>" .
1938              "<td>tree</td>" .
1939              "<td class=\"sha1\">" .
1940              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), class => "list"}, $co{'tree'}) .
1941              "</td>" .
1942              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
1943              "</td>" .
1944              "</tr>\n";
1945        my $parents = $co{'parents'};
1946        foreach my $par (@$parents) {
1947                print "<tr>" .
1948                      "<td>parent</td>" .
1949                      "<td class=\"sha1\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par"), class => "list"}, $par) . "</td>" .
1950                      "<td class=\"link\">" .
1951                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par")}, "commit") .
1952                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash;hp=$par")}, "commitdiff") .
1953                      "</td>" .
1954                      "</tr>\n";
1955        }
1956        print "</table>".
1957              "</div>\n";
1958        print "<div class=\"page_body\">\n";
1959        my $comment = $co{'comment'};
1960        my $empty = 0;
1961        my $signed = 0;
1962        foreach my $line (@$comment) {
1963                # print only one empty line
1964                if ($line eq "") {
1965                        if ($empty || $signed) {
1966                                next;
1967                        }
1968                        $empty = 1;
1969                } else {
1970                        $empty = 0;
1971                }
1972                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1973                        $signed = 1;
1974                        print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1975                } else {
1976                        $signed = 0;
1977                        print format_log_line_html($line) . "<br/>\n";
1978                }
1979        }
1980        print "</div>\n";
1981        print "<div class=\"list_head\">\n";
1982        if ($#difftree > 10) {
1983                print(($#difftree + 1) . " files changed:\n");
1984        }
1985        print "</div>\n";
1986        print "<table class=\"diff_tree\">\n";
1987        my $alternate = 0;
1988        foreach my $line (@difftree) {
1989                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1990                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1991                if ($line !~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
1992                        next;
1993                }
1994                my $from_mode = $1;
1995                my $to_mode = $2;
1996                my $from_id = $3;
1997                my $to_id = $4;
1998                my $status = $5;
1999                my $similarity = $6;
2000                my $file = validate_input(unquote($7));
2001                if ($alternate) {
2002                        print "<tr class=\"dark\">\n";
2003                } else {
2004                        print "<tr class=\"light\">\n";
2005                }
2006                $alternate ^= 1;
2007                if ($status eq "A") {
2008                        my $mode_chng = "";
2009                        if (S_ISREG(oct $to_mode)) {
2010                                $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
2011                        }
2012                        print "<td>" .
2013                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2014                              "<td><span class=\"file_status new\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
2015                              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob") . "</td>\n";
2016                } elsif ($status eq "D") {
2017                        print "<td>" .
2018                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$parent;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2019                              "<td><span class=\"file_status deleted\">[deleted " . file_type($from_mode). "]</span></td>\n" .
2020                              "<td class=\"link\">" .
2021                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$parent;f=$file")}, "blob") .
2022                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$parent;f=$file")}, "history") .
2023                              "</td>\n"
2024                } elsif ($status eq "M" || $status eq "T") {
2025                        my $mode_chnge = "";
2026                        if ($from_mode != $to_mode) {
2027                                $mode_chnge = " <span class=\"file_status mode_chnge\">[changed";
2028                                if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
2029                                        $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
2030                                }
2031                                if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
2032                                        if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
2033                                                $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
2034                                        } elsif (S_ISREG($to_mode)) {
2035                                                $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
2036                                        }
2037                                }
2038                                $mode_chnge .= "]</span>\n";
2039                        }
2040                        print "<td>";
2041                        if ($to_id ne $from_id) {
2042                                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));
2043                        } else {
2044                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
2045                        }
2046                        print "</td>\n" .
2047                              "<td>$mode_chnge</td>\n" .
2048                              "<td class=\"link\">";
2049                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob");
2050                        if ($to_id ne $from_id) {
2051                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file")}, "diff");
2052                        }
2053                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$hash;f=$file")}, "history") . "\n";
2054                        print "</td>\n";
2055                } elsif ($status eq "R") {
2056                        my ($from_file, $to_file) = split "\t", $file;
2057                        my $mode_chng = "";
2058                        if ($from_mode != $to_mode) {
2059                                $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
2060                        }
2061                        print "<td>" .
2062                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"), -class => "list"}, esc_html($to_file)) . "</td>\n" .
2063                              "<td><span class=\"file_status moved\">[moved from " .
2064                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$parent;f=$from_file"), -class => "list"}, esc_html($from_file)) .
2065                              " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
2066                              "<td class=\"link\">" .
2067                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file")}, "blob");
2068                        if ($to_id ne $from_id) {
2069                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file")}, "diff");
2070                        }
2071                        print "</td>\n";
2072                }
2073                print "</tr>\n";
2074        }
2075        print "</table>\n";
2076        git_footer_html();
2077}
2078
2079sub git_blobdiff {
2080        mkdir($git_temp, 0700);
2081        git_header_html();
2082        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
2083                my $formats_nav =
2084                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent")}, "plain");
2085                git_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2086                git_header_div('commit', esc_html($co{'title'}), $hash_base);
2087        } else {
2088                print "<div class=\"page_nav\">\n" .
2089                      "<br/><br/></div>\n" .
2090                      "<div class=\"title\">$hash vs $hash_parent</div>\n";
2091        }
2092        git_print_page_path($file_name, "blob");
2093        print "<div class=\"page_body\">\n" .
2094              "<div class=\"diff_info\">blob:" .
2095              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name")}, $hash_parent) .
2096              " -> blob:" .
2097              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, $hash) .
2098              "</div>\n";
2099        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2100        print "</div>";
2101        git_footer_html();
2102}
2103
2104sub git_blobdiff_plain {
2105        mkdir($git_temp, 0700);
2106        print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2107        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2108}
2109
2110sub git_commitdiff {
2111        mkdir($git_temp, 0700);
2112        my %co = git_read_commit($hash);
2113        if (!%co) {
2114                die_error(undef, "Unknown commit object");
2115        }
2116        if (!defined $hash_parent) {
2117                $hash_parent = $co{'parent'} || '--root';
2118        }
2119        open my $fd, "-|", $GIT, "diff-tree", '-r', $hash_parent, $hash
2120                or die_error(undef, "Open git-diff-tree failed");
2121        my @difftree = map { chomp; $_ } <$fd>;
2122        close $fd or die_error(undef, "Reading git-diff-tree failed");
2123
2124        # non-textual hash id's can be cached
2125        my $expires;
2126        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2127                $expires = "+1d";
2128        }
2129        my $refs = read_info_ref();
2130        my $ref = git_get_referencing($refs, $co{'id'});
2131        my $formats_nav =
2132                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent")}, "plain");
2133        git_header_html(undef, $expires);
2134        git_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
2135        git_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
2136        print "<div class=\"page_body\">\n";
2137        my $comment = $co{'comment'};
2138        my $empty = 0;
2139        my $signed = 0;
2140        my @log = @$comment;
2141        # remove first and empty lines after that
2142        shift @log;
2143        while (defined $log[0] && $log[0] eq "") {
2144                shift @log;
2145        }
2146        foreach my $line (@log) {
2147                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
2148                        next;
2149                }
2150                if ($line eq "") {
2151                        if ($empty) {
2152                                next;
2153                        }
2154                        $empty = 1;
2155                } else {
2156                        $empty = 0;
2157                }
2158                print format_log_line_html($line) . "<br/>\n";
2159        }
2160        print "<br/>\n";
2161        foreach my $line (@difftree) {
2162                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2163                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2164                if ($line !~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2165                        next;
2166                }
2167                my $from_mode = $1;
2168                my $to_mode = $2;
2169                my $from_id = $3;
2170                my $to_id = $4;
2171                my $status = $5;
2172                my $file = validate_input(unquote($6));
2173                if ($status eq "A") {
2174                        print "<div class=\"diff_info\">" . file_type($to_mode) . ":" .
2175                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id) . "(new)" .
2176                              "</div>\n";
2177                        git_diff_print(undef, "/dev/null", $to_id, "b/$file");
2178                } elsif ($status eq "D") {
2179                        print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
2180                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash_parent;f=$file")}, $from_id) . "(deleted)" .
2181                              "</div>\n";
2182                        git_diff_print($from_id, "a/$file", undef, "/dev/null");
2183                } elsif ($status eq "M") {
2184                        if ($from_id ne $to_id) {
2185                                print "<div class=\"diff_info\">" .
2186                                      file_type($from_mode) . ":" .
2187                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash_parent;f=$file")}, $from_id) .
2188                                      " -> " .
2189                                      file_type($to_mode) . ":" .
2190                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id);
2191                                print "</div>\n";
2192                                git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
2193                        }
2194                }
2195        }
2196        print "<br/>\n" .
2197              "</div>";
2198        git_footer_html();
2199}
2200
2201sub git_commitdiff_plain {
2202        mkdir($git_temp, 0700);
2203        my %co = git_read_commit($hash);
2204        if (!%co) {
2205                die_error(undef, "Unknown commit object");
2206        }
2207        if (!defined $hash_parent) {
2208                $hash_parent = $co{'parent'} || '--root';
2209        }
2210        open my $fd, "-|", $GIT, "diff-tree", '-r', $hash_parent, $hash
2211                or die_error(undef, "Open git-diff-tree failed");
2212        my @difftree = map { chomp; $_ } <$fd>;
2213        close $fd or die_error(undef, "Reading diff-tree failed");
2214
2215        # try to figure out the next tag after this commit
2216        my $tagname;
2217        my $refs = read_info_ref("tags");
2218        open $fd, "-|", $GIT, "rev-list", "HEAD";
2219        my @commits = map { chomp; $_ } <$fd>;
2220        close $fd;
2221        foreach my $commit (@commits) {
2222                if (defined $refs->{$commit}) {
2223                        $tagname = $refs->{$commit}
2224                }
2225                if ($commit eq $hash) {
2226                        last;
2227                }
2228        }
2229
2230        print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"git-$hash.patch\"");
2231        my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
2232        my $comment = $co{'comment'};
2233        print "From: $co{'author'}\n" .
2234              "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
2235              "Subject: $co{'title'}\n";
2236        if (defined $tagname) {
2237                print "X-Git-Tag: $tagname\n";
2238        }
2239        print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
2240              "\n";
2241
2242        foreach my $line (@$comment) {;
2243                print "$line\n";
2244        }
2245        print "---\n\n";
2246
2247        foreach my $line (@difftree) {
2248                if ($line !~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2249                        next;
2250                }
2251                my $from_id = $3;
2252                my $to_id = $4;
2253                my $status = $5;
2254                my $file = $6;
2255                if ($status eq "A") {
2256                        git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
2257                } elsif ($status eq "D") {
2258                        git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
2259                } elsif ($status eq "M") {
2260                        git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
2261                }
2262        }
2263}
2264
2265sub git_history {
2266        if (!defined $hash_base) {
2267                $hash_base = git_read_head($project);
2268        }
2269        my $ftype;
2270        my %co = git_read_commit($hash_base);
2271        if (!%co) {
2272                die_error(undef, "Unknown commit object");
2273        }
2274        my $refs = read_info_ref();
2275        git_header_html();
2276        git_page_nav('','', $hash_base,$co{'tree'},$hash_base);
2277        git_header_div('commit', esc_html($co{'title'}), $hash_base);
2278        if (!defined $hash && defined $file_name) {
2279                $hash = git_get_hash_by_path($hash_base, $file_name);
2280        }
2281        if (defined $hash) {
2282                $ftype = git_get_type($hash);
2283        }
2284        git_print_page_path($file_name, $ftype);
2285
2286        open my $fd, "-|",
2287                $GIT, "rev-list", "--full-history", $hash_base, "--", $file_name;
2288        print "<table cellspacing=\"0\">\n";
2289        my $alternate = 0;
2290        while (my $line = <$fd>) {
2291                if ($line =~ m/^([0-9a-fA-F]{40})/){
2292                        my $commit = $1;
2293                        my %co = git_read_commit($commit);
2294                        if (!%co) {
2295                                next;
2296                        }
2297                        my $ref = git_get_referencing($refs, $commit);
2298                        if ($alternate) {
2299                                print "<tr class=\"dark\">\n";
2300                        } else {
2301                                print "<tr class=\"light\">\n";
2302                        }
2303                        $alternate ^= 1;
2304                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2305                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2306                              "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"}, "<b>" .
2307                              esc_html(chop_str($co{'title'}, 50)) . "$ref</b>") . "</td>\n" .
2308                              "<td class=\"link\">" .
2309                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2310                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2311                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$ftype;hb=$commit;f=$file_name")}, $ftype);
2312                        my $blob = git_get_hash_by_path($hash_base, $file_name);
2313                        my $blob_parent = git_get_hash_by_path($commit, $file_name);
2314                        if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
2315                                print " | " .
2316                                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name")},
2317                                "diff to current");
2318                        }
2319                        print "</td>\n" .
2320                              "</tr>\n";
2321                }
2322        }
2323        print "</table>\n";
2324        close $fd;
2325        git_footer_html();
2326}
2327
2328sub git_search {
2329        if (!defined $searchtext) {
2330                die_error(undef, "Text field empty");
2331        }
2332        if (!defined $hash) {
2333                $hash = git_read_head($project);
2334        }
2335        my %co = git_read_commit($hash);
2336        if (!%co) {
2337                die_error(undef, "Unknown commit object");
2338        }
2339        # pickaxe may take all resources of your box and run for several minutes
2340        # with every query - so decide by yourself how public you make this feature :)
2341        my $commit_search = 1;
2342        my $author_search = 0;
2343        my $committer_search = 0;
2344        my $pickaxe_search = 0;
2345        if ($searchtext =~ s/^author\\://i) {
2346                $author_search = 1;
2347        } elsif ($searchtext =~ s/^committer\\://i) {
2348                $committer_search = 1;
2349        } elsif ($searchtext =~ s/^pickaxe\\://i) {
2350                $commit_search = 0;
2351                $pickaxe_search = 1;
2352        }
2353        git_header_html();
2354        git_page_nav('','', $hash,$co{'tree'},$hash);
2355        git_header_div('commit', esc_html($co{'title'}), $hash);
2356
2357        print "<table cellspacing=\"0\">\n";
2358        my $alternate = 0;
2359        if ($commit_search) {
2360                $/ = "\0";
2361                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", $hash or next;
2362                while (my $commit_text = <$fd>) {
2363                        if (!grep m/$searchtext/i, $commit_text) {
2364                                next;
2365                        }
2366                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2367                                next;
2368                        }
2369                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2370                                next;
2371                        }
2372                        my @commit_lines = split "\n", $commit_text;
2373                        my %co = git_read_commit(undef, \@commit_lines);
2374                        if (!%co) {
2375                                next;
2376                        }
2377                        if ($alternate) {
2378                                print "<tr class=\"dark\">\n";
2379                        } else {
2380                                print "<tr class=\"light\">\n";
2381                        }
2382                        $alternate ^= 1;
2383                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2384                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2385                              "<td>" .
2386                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" . esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2387                        my $comment = $co{'comment'};
2388                        foreach my $line (@$comment) {
2389                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2390                                        my $lead = esc_html($1) || "";
2391                                        $lead = chop_str($lead, 30, 10);
2392                                        my $match = esc_html($2) || "";
2393                                        my $trail = esc_html($3) || "";
2394                                        $trail = chop_str($trail, 30, 10);
2395                                        my $text = "$lead<span class=\"match\">$match</span>$trail";
2396                                        print chop_str($text, 80, 5) . "<br/>\n";
2397                                }
2398                        }
2399                        print "</td>\n" .
2400                              "<td class=\"link\">" .
2401                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2402                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2403                        print "</td>\n" .
2404                              "</tr>\n";
2405                }
2406                close $fd;
2407        }
2408
2409        if ($pickaxe_search) {
2410                $/ = "\n";
2411                open my $fd, "-|", "$GIT rev-list $hash | $GIT diff-tree -r --stdin -S\'$searchtext\'";
2412                undef %co;
2413                my @files;
2414                while (my $line = <$fd>) {
2415                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2416                                my %set;
2417                                $set{'file'} = $6;
2418                                $set{'from_id'} = $3;
2419                                $set{'to_id'} = $4;
2420                                $set{'id'} = $set{'to_id'};
2421                                if ($set{'id'} =~ m/0{40}/) {
2422                                        $set{'id'} = $set{'from_id'};
2423                                }
2424                                if ($set{'id'} =~ m/0{40}/) {
2425                                        next;
2426                                }
2427                                push @files, \%set;
2428                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2429                                if (%co) {
2430                                        if ($alternate) {
2431                                                print "<tr class=\"dark\">\n";
2432                                        } else {
2433                                                print "<tr class=\"light\">\n";
2434                                        }
2435                                        $alternate ^= 1;
2436                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2437                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2438                                              "<td>" .
2439                                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" .
2440                                              esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2441                                        while (my $setref = shift @files) {
2442                                                my %set = %$setref;
2443                                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}"), class => "list"},
2444                                                      "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
2445                                                      "<br/>\n";
2446                                        }
2447                                        print "</td>\n" .
2448                                              "<td class=\"link\">" .
2449                                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2450                                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2451                                        print "</td>\n" .
2452                                              "</tr>\n";
2453                                }
2454                                %co = git_read_commit($1);
2455                        }
2456                }
2457                close $fd;
2458        }
2459        print "</table>\n";
2460        git_footer_html();
2461}
2462
2463sub git_shortlog {
2464        my $head = git_read_head($project);
2465        if (!defined $hash) {
2466                $hash = $head;
2467        }
2468        if (!defined $page) {
2469                $page = 0;
2470        }
2471        my $refs = read_info_ref();
2472
2473        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2474        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
2475                or die_error(undef, "Open git-rev-list failed");
2476        my @revlist = map { chomp; $_ } <$fd>;
2477        close $fd;
2478
2479        my $paging_nav = git_get_paging_nav('shortlog', $hash, $head, $page, $#revlist);
2480        my $next_link = '';
2481        if ($#revlist >= (100 * ($page+1)-1)) {
2482                $next_link =
2483                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)),
2484                                 -title => "Alt-n"}, "next");
2485        }
2486
2487
2488        git_header_html();
2489        git_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
2490        git_header_div('summary', $project);
2491
2492        git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
2493
2494        git_footer_html();
2495}
2496
2497## ......................................................................
2498## feeds (RSS, OPML)
2499
2500sub git_rss {
2501        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
2502        open my $fd, "-|", $GIT, "rev-list", "--max-count=150", git_read_head($project)
2503                or die_error(undef, "Open git-rev-list failed");
2504        my @revlist = map { chomp; $_ } <$fd>;
2505        close $fd or die_error(undef, "Reading git-rev-list failed");
2506        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
2507        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
2508              "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
2509        print "<channel>\n";
2510        print "<title>$project</title>\n".
2511              "<link>" . esc_html("$my_url?p=$project;a=summary") . "</link>\n".
2512              "<description>$project log</description>\n".
2513              "<language>en</language>\n";
2514
2515        for (my $i = 0; $i <= $#revlist; $i++) {
2516                my $commit = $revlist[$i];
2517                my %co = git_read_commit($commit);
2518                # we read 150, we always show 30 and the ones more recent than 48 hours
2519                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
2520                        last;
2521                }
2522                my %cd = date_str($co{'committer_epoch'});
2523                open $fd, "-|", $GIT, "diff-tree", '-r', $co{'parent'}, $co{'id'} or next;
2524                my @difftree = map { chomp; $_ } <$fd>;
2525                close $fd or next;
2526                print "<item>\n" .
2527                      "<title>" .
2528                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
2529                      "</title>\n" .
2530                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
2531                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
2532                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
2533                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
2534                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
2535                      "<content:encoded>" .
2536                      "<![CDATA[\n";
2537                my $comment = $co{'comment'};
2538                foreach my $line (@$comment) {
2539                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
2540                        print "$line<br/>\n";
2541                }
2542                print "<br/>\n";
2543                foreach my $line (@difftree) {
2544                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
2545                                next;
2546                        }
2547                        my $file = validate_input(unquote($7));
2548                        $file = decode("utf8", $file, Encode::FB_DEFAULT);
2549                        print "$file<br/>\n";
2550                }
2551                print "]]>\n" .
2552                      "</content:encoded>\n" .
2553                      "</item>\n";
2554        }
2555        print "</channel></rss>";
2556}
2557
2558sub git_opml {
2559        my @list = git_read_projects();
2560
2561        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
2562        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
2563              "<opml version=\"1.0\">\n".
2564              "<head>".
2565              "  <title>$site_name Git OPML Export</title>\n".
2566              "</head>\n".
2567              "<body>\n".
2568              "<outline text=\"git RSS feeds\">\n";
2569
2570        foreach my $pr (@list) {
2571                my %proj = %$pr;
2572                my $head = git_read_head($proj{'path'});
2573                if (!defined $head) {
2574                        next;
2575                }
2576                $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
2577                my %co = git_read_commit($head);
2578                if (!%co) {
2579                        next;
2580                }
2581
2582                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
2583                my $rss  = "$my_url?p=$proj{'path'};a=rss";
2584                my $html = "$my_url?p=$proj{'path'};a=summary";
2585                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
2586        }
2587        print "</outline>\n".
2588              "</body>\n".
2589              "</opml>\n";
2590}