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

   1 #!/usr/bin/perl
   2
   3 # gitweb - simple web interface to track changes in git repositories
   4 #
   5 # (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
   6 # (C) 2005, Christian Gierke
   7 #
   8 # This program is licensed under the GPLv2
   9
  10 use strict;
  11 use warnings;
  12 use CGI qw(:standard :escapeHTML -nosticky);
  13 use CGI::Util qw(unescape);
  14 use CGI::Carp qw(fatalsToBrowser);
  15 use Encode;
  16 use Fcntl ':mode';
  17 use File::Find qw();
  18 binmode STDOUT, ':utf8';
  19
  20 our $cgi = new CGI;
  21 our $version = "++GIT_VERSION++";
  22 our $my_url = $cgi->url();
  23 our $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
  27 our $GIT = "++GIT_BINDIR++/git";
  28
  29 # absolute fs-path which will be prepended to the project path
  30 #our $projectroot = "/pub/scm";
  31 our $projectroot = "++GITWEB_PROJECTROOT++";
  32
  33 # location for temporary files needed for diffs
  34 our $git_temp = "/tmp/gitweb";
  35
  36 # target of the home link on top of all pages
  37 our $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
  41 our $site_name = "++GITWEB_SITENAME++" || $ENV{'SERVER_NAME'} || "Untitled";
  42
  43 # html text to include at home page
  44 our $home_text = "++GITWEB_HOMETEXT++";
  45
  46 # URI of default stylesheet
  47 our $stylesheet = "++GITWEB_CSS++";
  48 # URI of GIT logo
  49 our $logo = "++GITWEB_LOGO++";
  50
  51 # source of projects list
  52 our $projects_list = "++GITWEB_LIST++";
  53
  54 # default blob_plain mimetype and default charset for text/plain blob
  55 our $default_blob_plain_mimetype = 'text/plain';
  56 our $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)
  60 our $mimetypes_file = undef;
  61
  62 our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
  63 require $GITWEB_CONFIG if -e $GITWEB_CONFIG;
  64
  65 # version of the core git binary
  66 our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
  67
  68 $projects_list ||= $projectroot;
  69 if (! -d $git_temp) {
  70         mkdir($git_temp, 0700) || die_error(undef, "Couldn't mkdir $git_temp");
  71 }
  72
  73 # ======================================================================
  74 # input validation and dispatch
  75 our $action = $cgi->param('a');
  76 if (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
  87 our $project = ($cgi->param('p') || $ENV{'PATH_INFO'});
  88 if (defined $project) {
  89         $project =~ s|^/||;
  90         $project =~ s|/$||;
  91 }
  92 if (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
 108 our $file_name = $cgi->param('f');
 109 if (defined $file_name) {
 110         if (!validate_input($file_name)) {
 111                 die_error(undef, "Invalid file parameter");
 112         }
 113 }
 114
 115 our $hash = $cgi->param('h');
 116 if (defined $hash) {
 117         if (!validate_input($hash)) {
 118                 die_error(undef, "Invalid hash parameter");
 119         }
 120 }
 121
 122 our $hash_parent = $cgi->param('hp');
 123 if (defined $hash_parent) {
 124         if (!validate_input($hash_parent)) {
 125                 die_error(undef, "Invalid hash parent parameter");
 126         }
 127 }
 128
 129 our $hash_base = $cgi->param('hb');
 130 if (defined $hash_base) {
 131         if (!validate_input($hash_base)) {
 132                 die_error(undef, "Invalid hash base parameter");
 133         }
 134 }
 135
 136 our $page = $cgi->param('pg');
 137 if (defined $page) {
 138         if ($page =~ m/[^0-9]$/) {
 139                 die_error(undef, "Invalid page parameter");
 140         }
 141 }
 142
 143 our $searchtext = $cgi->param('s');
 144 if (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
 152 my %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));
 174 if (!defined($actions{$action})) {
 175         die_error(undef, "Unknown action");
 176 }
 177 $actions{$action}->();
 178 exit;
 179
 180 ## ======================================================================
 181 ## validation, quoting/unquoting and escaping
 182
 183 sub 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
 200 sub 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
 209 sub 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
 218 sub 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)
 228 sub 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
 244 sub 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)
 265 sub 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
 278 sub 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
 310 sub 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
 330 sub 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
 349 sub 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 $line;
 362 }
 363
 364 # format marker of refs pointing to given object
 365 sub format_ref_marker {
 366         my ($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
 379 sub git_get_head_hash {
 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
 398 sub 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
 408 sub 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
 419 sub 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
 428 sub 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
 448 sub git_get_hash_by_ref {
 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
 460 sub git_get_project_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
 470 sub git_get_projects_list {
 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
 514 sub git_get_references {
 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
 539 sub parse_date {
 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
 564 sub parse_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
 599 sub parse_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 # parse ref from ref_file, given by ref_id, with given type
 694 sub parse_ref {
 695         my $ref_file = shift;
 696         my $ref_id = shift;
 697         my $type = shift || git_get_type($ref_id);
 698         my %ref_item;
 699
 700         $ref_item{'type'} = $type;
 701         $ref_item{'id'} = $ref_id;
 702         $ref_item{'epoch'} = 0;
 703         $ref_item{'age'} = "unknown";
 704         if ($type eq "tag") {
 705                 my %tag = parse_tag($ref_id);
 706                 $ref_item{'comment'} = $tag{'comment'};
 707                 if ($tag{'type'} eq "commit") {
 708                         my %co = parse_commit($tag{'object'});
 709                         $ref_item{'epoch'} = $co{'committer_epoch'};
 710                         $ref_item{'age'} = $co{'age_string'};
 711                 } elsif (defined($tag{'epoch'})) {
 712                         my $age = time - $tag{'epoch'};
 713                         $ref_item{'epoch'} = $tag{'epoch'};
 714                         $ref_item{'age'} = age_string($age);
 715                 }
 716                 $ref_item{'reftype'} = $tag{'type'};
 717                 $ref_item{'name'} = $tag{'name'};
 718                 $ref_item{'refid'} = $tag{'object'};
 719         } elsif ($type eq "commit"){
 720                 my %co = parse_commit($ref_id);
 721                 $ref_item{'reftype'} = "commit";
 722                 $ref_item{'name'} = $ref_file;
 723                 $ref_item{'title'} = $co{'title'};
 724                 $ref_item{'refid'} = $ref_id;
 725                 $ref_item{'epoch'} = $co{'committer_epoch'};
 726                 $ref_item{'age'} = $co{'age_string'};
 727         } else {
 728                 $ref_item{'reftype'} = $type;
 729                 $ref_item{'name'} = $ref_file;
 730                 $ref_item{'refid'} = $ref_id;
 731         }
 732
 733         return %ref_item;
 734 }
 735
 736 ## ......................................................................
 737 ## parse to array of hashes functions
 738
 739 sub git_get_refs_list {
 740         my $ref_dir = shift;
 741         my @reflist;
 742
 743         my @refs;
 744         my $pfxlen = length("$projectroot/$project/$ref_dir");
 745         File::Find::find(sub {
 746                 return if (/^\./);
 747                 if (-f $_) {
 748                         push @refs, substr($File::Find::name, $pfxlen + 1);
 749                 }
 750         }, "$projectroot/$project/$ref_dir");
 751
 752         foreach my $ref_file (@refs) {
 753                 my $ref_id = git_get_hash_by_ref("$project/$ref_dir/$ref_file");
 754                 my $type = git_get_type($ref_id) || next;
 755                 my %ref_item = parse_ref($ref_file, $ref_id, $type);
 756
 757                 push @reflist, \%ref_item;
 758         }
 759         # sort refs by age
 760         @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
 761         return \@reflist;
 762 }
 763
 764 ## ----------------------------------------------------------------------
 765 ## filesystem-related functions
 766
 767 sub get_file_owner {
 768         my $path = shift;
 769
 770         my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 771         my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 772         if (!defined $gcos) {
 773                 return undef;
 774         }
 775         my $owner = $gcos;
 776         $owner =~ s/[,;].*$//;
 777         return decode("utf8", $owner, Encode::FB_DEFAULT);
 778 }
 779
 780 ## ......................................................................
 781 ## mimetype related functions
 782
 783 sub mimetype_guess_file {
 784         my $filename = shift;
 785         my $mimemap = shift;
 786         -r $mimemap or return undef;
 787
 788         my %mimemap;
 789         open(MIME, $mimemap) or return undef;
 790         while (<MIME>) {
 791                 my ($mime, $exts) = split(/\t+/);
 792                 if (defined $exts) {
 793                         my @exts = split(/\s+/, $exts);
 794                         foreach my $ext (@exts) {
 795                                 $mimemap{$ext} = $mime;
 796                         }
 797                 }
 798         }
 799         close(MIME);
 800
 801         $filename =~ /\.(.*?)$/;
 802         return $mimemap{$1};
 803 }
 804
 805 sub mimetype_guess {
 806         my $filename = shift;
 807         my $mime;
 808         $filename =~ /\./ or return undef;
 809
 810         if ($mimetypes_file) {
 811                 my $file = $mimetypes_file;
 812                 #$file =~ m#^/# or $file = "$projectroot/$path/$file";
 813                 $mime = mimetype_guess_file($filename, $file);
 814         }
 815         $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
 816         return $mime;
 817 }
 818
 819 sub blob_mimetype {
 820         my $fd = shift;
 821         my $filename = shift;
 822
 823         if ($filename) {
 824                 my $mime = mimetype_guess($filename);
 825                 $mime and return $mime;
 826         }
 827
 828         # just in case
 829         return $default_blob_plain_mimetype unless $fd;
 830
 831         if (-T $fd) {
 832                 return 'text/plain' .
 833                        ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
 834         } elsif (! $filename) {
 835                 return 'application/octet-stream';
 836         } elsif ($filename =~ m/\.png$/i) {
 837                 return 'image/png';
 838         } elsif ($filename =~ m/\.gif$/i) {
 839                 return 'image/gif';
 840         } elsif ($filename =~ m/\.jpe?g$/i) {
 841                 return 'image/jpeg';
 842         } else {
 843                 return 'application/octet-stream';
 844         }
 845 }
 846
 847 ## ======================================================================
 848 ## functions printing HTML: header, footer, error page
 849
 850 sub git_header_html {
 851         my $status = shift || "200 OK";
 852         my $expires = shift;
 853
 854         my $title = "$site_name git";
 855         if (defined $project) {
 856                 $title .= " - $project";
 857                 if (defined $action) {
 858                         $title .= "/$action";
 859                         if (defined $file_name) {
 860                                 $title .= " - $file_name";
 861                                 if ($action eq "tree" && $file_name !~ m|/$|) {
 862                                         $title .= "/";
 863                                 }
 864                         }
 865                 }
 866         }
 867         my $content_type;
 868         # require explicit support from the UA if we are to send the page as
 869         # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
 870         # we have to do this because MSIE sometimes globs '*/*', pretending to
 871         # support xhtml+xml but choking when it gets what it asked for.
 872         if (defined $cgi->http('HTTP_ACCEPT') && $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ && $cgi->Accept('application/xhtml+xml') != 0) {
 873                 $content_type = 'application/xhtml+xml';
 874         } else {
 875                 $content_type = 'text/html';
 876         }
 877         print $cgi->header(-type=>$content_type, -charset => 'utf-8', -status=> $status, -expires => $expires);
 878         print <<EOF;
 879 <?xml version="1.0" encoding="utf-8"?>
 880 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 881 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 882 <!-- git web interface v$version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
 883 <!-- git core binaries version $git_version -->
 884 <head>
 885 <meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
 886 <meta name="robots" content="index, nofollow"/>
 887 <title>$title</title>
 888 <link rel="stylesheet" type="text/css" href="$stylesheet"/>
 889 EOF
 890         if (defined $project) {
 891                 printf('<link rel="alternate" title="%s log" '.
 892                        'href="%s" type="application/rss+xml"/>'."\n",
 893                        esc_param($project),
 894                        esc_param("$my_uri?p=$project;a=rss"));
 895         }
 896
 897         print "</head>\n" .
 898               "<body>\n" .
 899               "<div class=\"page_header\">\n" .
 900               "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 901               "<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 902               "</a>\n";
 903         print $cgi->a({-href => esc_param($home_link)}, "projects") . " / ";
 904         if (defined $project) {
 905                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, esc_html($project));
 906                 if (defined $action) {
 907                         print " / $action";
 908                 }
 909                 print "\n";
 910                 if (!defined $searchtext) {
 911                         $searchtext = "";
 912                 }
 913                 my $search_hash;
 914                 if (defined $hash_base) {
 915                         $search_hash = $hash_base;
 916                 } elsif (defined $hash) {
 917                         $search_hash = $hash;
 918                 } else {
 919                         $search_hash = "HEAD";
 920                 }
 921                 $cgi->param("a", "search");
 922                 $cgi->param("h", $search_hash);
 923                 print $cgi->startform(-method => "get", -action => $my_uri) .
 924                       "<div class=\"search\">\n" .
 925                       $cgi->hidden(-name => "p") . "\n" .
 926                       $cgi->hidden(-name => "a") . "\n" .
 927                       $cgi->hidden(-name => "h") . "\n" .
 928                       $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 929                       "</div>" .
 930                       $cgi->end_form() . "\n";
 931         }
 932         print "</div>\n";
 933 }
 934
 935 sub git_footer_html {
 936         print "<div class=\"page_footer\">\n";
 937         if (defined $project) {
 938                 my $descr = git_get_project_description($project);
 939                 if (defined $descr) {
 940                         print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
 941                 }
 942                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=rss"), -class => "rss_logo"}, "RSS") . "\n";
 943         } else {
 944                 print $cgi->a({-href => "$my_uri?" . esc_param("a=opml"), -class => "rss_logo"}, "OPML") . "\n";
 945         }
 946         print "</div>\n" .
 947               "</body>\n" .
 948               "</html>";
 949 }
 950
 951 sub die_error {
 952         my $status = shift || "403 Forbidden";
 953         my $error = shift || "Malformed query, file missing or permission denied";
 954
 955         git_header_html($status);
 956         print "<div class=\"page_body\">\n" .
 957               "<br/><br/>\n" .
 958               "$status - $error\n" .
 959               "<br/>\n" .
 960               "</div>\n";
 961         git_footer_html();
 962         exit;
 963 }
 964
 965 ## ----------------------------------------------------------------------
 966 ## functions printing or outputting HTML: navigation
 967
 968 sub git_print_page_nav {
 969         my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
 970         $extra = '' if !defined $extra; # pager or formats
 971
 972         my @navs = qw(summary shortlog log commit commitdiff tree);
 973         if ($suppress) {
 974                 @navs = grep { $_ ne $suppress } @navs;
 975         }
 976
 977         my %arg = map { $_, ''} @navs;
 978         if (defined $head) {
 979                 for (qw(commit commitdiff)) {
 980                         $arg{$_} = ";h=$head";
 981                 }
 982                 if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
 983                         for (qw(shortlog log)) {
 984                                 $arg{$_} = ";h=$head";
 985                         }
 986                 }
 987         }
 988         $arg{tree} .= ";h=$treehead" if defined $treehead;
 989         $arg{tree} .= ";hb=$treebase" if defined $treebase;
 990
 991         print "<div class=\"page_nav\">\n" .
 992                 (join " | ",
 993                  map { $_ eq $current
 994                                          ? $_
 995                                          : $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$_$arg{$_}")}, "$_")
 996                                  }
 997                  @navs);
 998         print "<br/>\n$extra<br/>\n" .
 999               "</div>\n";
1000 }
1001
1002 sub format_paging_nav {
1003         my ($action, $hash, $head, $page, $nrevs) = @_;
1004         my $paging_nav;
1005
1006
1007         if ($hash ne $head || $page) {
1008                 $paging_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action")}, "HEAD");
1009         } else {
1010                 $paging_nav .= "HEAD";
1011         }
1012
1013         if ($page > 0) {
1014                 $paging_nav .= " &sdot; " .
1015                         $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action;h=$hash;pg=" . ($page-1)),
1016                                  -accesskey => "p", -title => "Alt-p"}, "prev");
1017         } else {
1018                 $paging_nav .= " &sdot; prev";
1019         }
1020
1021         if ($nrevs >= (100 * ($page+1)-1)) {
1022                 $paging_nav .= " &sdot; " .
1023                         $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action;h=$hash;pg=" . ($page+1)),
1024                                  -accesskey => "n", -title => "Alt-n"}, "next");
1025         } else {
1026                 $paging_nav .= " &sdot; next";
1027         }
1028
1029         return $paging_nav;
1030 }
1031
1032 ## ......................................................................
1033 ## functions printing or outputting HTML: div
1034
1035 sub git_print_header_div {
1036         my ($action, $title, $hash, $hash_base) = @_;
1037         my $rest = '';
1038
1039         $rest .= ";h=$hash" if $hash;
1040         $rest .= ";hb=$hash_base" if $hash_base;
1041
1042         print "<div class=\"header\">\n" .
1043               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action$rest"),
1044                        -class => "title"}, $title ? $title : $action) . "\n" .
1045               "</div>\n";
1046 }
1047
1048 sub git_print_page_path {
1049         my $name = shift;
1050         my $type = shift;
1051
1052         if (!defined $name) {
1053                 print "<div class=\"page_path\"><b>/</b></div>\n";
1054         } elsif (defined $type && $type eq 'blob') {
1055                 print "<div class=\"page_path\"><b>" .
1056                         $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;f=$file_name")}, esc_html($name)) . "</b><br/></div>\n";
1057         } else {
1058                 print "<div class=\"page_path\"><b>" . esc_html($name) . "</b><br/></div>\n";
1059         }
1060 }
1061
1062 ## ......................................................................
1063 ## functions printing large fragments of HTML
1064
1065 sub git_shortlog_body {
1066         # uses global variable $project
1067         my ($revlist, $from, $to, $refs, $extra) = @_;
1068         $from = 0 unless defined $from;
1069         $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
1070
1071         print "<table class=\"shortlog\" cellspacing=\"0\">\n";
1072         my $alternate = 0;
1073         for (my $i = $from; $i <= $to; $i++) {
1074                 my $commit = $revlist->[$i];
1075                 #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
1076                 my $ref = format_ref_marker($refs, $commit);
1077                 my %co = parse_commit($commit);
1078                 if ($alternate) {
1079                         print "<tr class=\"dark\">\n";
1080                 } else {
1081                         print "<tr class=\"light\">\n";
1082                 }
1083                 $alternate ^= 1;
1084                 # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
1085                 print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1086                       "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1087                       "<td>";
1088                 if (length($co{'title_short'}) < length($co{'title'})) {
1089                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"),
1090                                        -class => "list", -title => "$co{'title'}"},
1091                               "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
1092                 } else {
1093                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"),
1094                                        -class => "list"},
1095                               "<b>" . esc_html($co{'title'}) . "$ref</b>");
1096                 }
1097                 print "</td>\n" .
1098                       "<td class=\"link\">" .
1099                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") . " | " .
1100                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1101                       "</td>\n" .
1102                       "</tr>\n";
1103         }
1104         if (defined $extra) {
1105                 print "<tr>\n" .
1106                       "<td colspan=\"4\">$extra</td>\n" .
1107                       "</tr>\n";
1108         }
1109         print "</table>\n";
1110 }
1111
1112 sub git_tags_body {
1113         # uses global variable $project
1114         my ($taglist, $from, $to, $extra) = @_;
1115         $from = 0 unless defined $from;
1116         $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1117
1118         print "<table class=\"tags\" cellspacing=\"0\">\n";
1119         my $alternate = 0;
1120         for (my $i = $from; $i <= $to; $i++) {
1121                 my $entry = $taglist->[$i];
1122                 my %tag = %$entry;
1123                 my $comment_lines = $tag{'comment'};
1124                 my $comment = shift @$comment_lines;
1125                 my $comment_short;
1126                 if (defined $comment) {
1127                         $comment_short = chop_str($comment, 30, 5);
1128                 }
1129                 if ($alternate) {
1130                         print "<tr class=\"dark\">\n";
1131                 } else {
1132                         print "<tr class=\"light\">\n";
1133                 }
1134                 $alternate ^= 1;
1135                 print "<td><i>$tag{'age'}</i></td>\n" .
1136                       "<td>" .
1137                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"),
1138                                -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1139                       "</td>\n" .
1140                       "<td>";
1141                 if (defined $comment) {
1142                         if (length($comment_short) < length($comment)) {
1143                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}"),
1144                                                -class => "list", -title => $comment}, $comment_short);
1145                         } else {
1146                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}"),
1147                                                -class => "list"}, $comment);
1148                         }
1149                 }
1150                 print "</td>\n" .
1151                       "<td class=\"selflink\">";
1152                 if ($tag{'type'} eq "tag") {
1153                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag");
1154                 } else {
1155                         print "&nbsp;";
1156                 }
1157                 print "</td>\n" .
1158                       "<td class=\"link\">" . " | " .
1159                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1160                 if ($tag{'reftype'} eq "commit") {
1161                         print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1162                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1163                 } elsif ($tag{'reftype'} eq "blob") {
1164                         print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$tag{'refid'}")}, "raw");
1165                 }
1166                 print "</td>\n" .
1167                       "</tr>";
1168         }
1169         if (defined $extra) {
1170                 print "<tr>\n" .
1171                       "<td colspan=\"5\">$extra</td>\n" .
1172                       "</tr>\n";
1173         }
1174         print "</table>\n";
1175 }
1176
1177 sub git_heads_body {
1178         # uses global variable $project
1179         my ($taglist, $head, $from, $to, $extra) = @_;
1180         $from = 0 unless defined $from;
1181         $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1182
1183         print "<table class=\"heads\" cellspacing=\"0\">\n";
1184         my $alternate = 0;
1185         for (my $i = $from; $i <= $to; $i++) {
1186                 my $entry = $taglist->[$i];
1187                 my %tag = %$entry;
1188                 my $curr = $tag{'id'} eq $head;
1189                 if ($alternate) {
1190                         print "<tr class=\"dark\">\n";
1191                 } else {
1192                         print "<tr class=\"light\">\n";
1193                 }
1194                 $alternate ^= 1;
1195                 print "<td><i>$tag{'age'}</i></td>\n" .
1196                       ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
1197                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"),
1198                                -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1199                       "</td>\n" .
1200                       "<td class=\"link\">" .
1201                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") . " | " .
1202                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1203                       "</td>\n" .
1204                       "</tr>";
1205         }
1206         if (defined $extra) {
1207                 print "<tr>\n" .
1208                       "<td colspan=\"3\">$extra</td>\n" .
1209                       "</tr>\n";
1210         }
1211         print "</table>\n";
1212 }
1213
1214 ## ----------------------------------------------------------------------
1215 ## functions printing large fragments, format as one of arguments
1216
1217 sub git_diff_print {
1218         my $from = shift;
1219         my $from_name = shift;
1220         my $to = shift;
1221         my $to_name = shift;
1222         my $format = shift || "html";
1223
1224         my $from_tmp = "/dev/null";
1225         my $to_tmp = "/dev/null";
1226         my $pid = $$;
1227
1228         # create tmp from-file
1229         if (defined $from) {
1230                 $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
1231                 open my $fd2, "> $from_tmp";
1232                 open my $fd, "-|", $GIT, "cat-file", "blob", $from;
1233                 my @file = <$fd>;
1234                 print $fd2 @file;
1235                 close $fd2;
1236                 close $fd;
1237         }
1238
1239         # create tmp to-file
1240         if (defined $to) {
1241                 $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
1242                 open my $fd2, "> $to_tmp";
1243                 open my $fd, "-|", $GIT, "cat-file", "blob", $to;
1244                 my @file = <$fd>;
1245                 print $fd2 @file;
1246                 close $fd2;
1247                 close $fd;
1248         }
1249
1250         open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
1251         if ($format eq "plain") {
1252                 undef $/;
1253                 print <$fd>;
1254                 $/ = "\n";
1255         } else {
1256                 while (my $line = <$fd>) {
1257                         chomp $line;
1258                         my $char = substr($line, 0, 1);
1259                         my $diff_class = "";
1260                         if ($char eq '+') {
1261                                 $diff_class = " add";
1262                         } elsif ($char eq "-") {
1263                                 $diff_class = " rem";
1264                         } elsif ($char eq "@") {
1265                                 $diff_class = " chunk_header";
1266                         } elsif ($char eq "\\") {
1267                                 # skip errors
1268                                 next;
1269                         }
1270                         $line = untabify($line);
1271                         print "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
1272                 }
1273         }
1274         close $fd;
1275
1276         if (defined $from) {
1277                 unlink($from_tmp);
1278         }
1279         if (defined $to) {
1280                 unlink($to_tmp);
1281         }
1282 }
1283
1284
1285 ## ======================================================================
1286 ## ======================================================================
1287 ## actions
1288
1289 sub git_project_list {
1290         my $order = $cgi->param('o');
1291         if (defined $order && $order !~ m/project|descr|owner|age/) {
1292                 die_error(undef, "Unknown order parameter");
1293         }
1294
1295         my @list = git_get_projects_list();
1296         my @projects;
1297         if (!@list) {
1298                 die_error(undef, "No projects found");
1299         }
1300         foreach my $pr (@list) {
1301                 my $head = git_get_head_hash($pr->{'path'});
1302                 if (!defined $head) {
1303                         next;
1304                 }
1305                 $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
1306                 my %co = parse_commit($head);
1307                 if (!%co) {
1308                         next;
1309                 }
1310                 $pr->{'commit'} = \%co;
1311                 if (!defined $pr->{'descr'}) {
1312                         my $descr = git_get_project_description($pr->{'path'}) || "";
1313                         $pr->{'descr'} = chop_str($descr, 25, 5);
1314                 }
1315                 if (!defined $pr->{'owner'}) {
1316                         $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
1317                 }
1318                 push @projects, $pr;
1319         }
1320
1321         git_header_html();
1322         if (-f $home_text) {
1323                 print "<div class=\"index_include\">\n";
1324                 open (my $fd, $home_text);
1325                 print <$fd>;
1326                 close $fd;
1327                 print "</div>\n";
1328         }
1329         print "<table class=\"project_list\">\n" .
1330               "<tr>\n";
1331         $order ||= "project";
1332         if ($order eq "project") {
1333                 @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
1334                 print "<th>Project</th>\n";
1335         } else {
1336                 print "<th>" .
1337                       $cgi->a({-href => "$my_uri?" . esc_param("o=project"),
1338                                -class => "header"}, "Project") .
1339                       "</th>\n";
1340         }
1341         if ($order eq "descr") {
1342                 @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
1343                 print "<th>Description</th>\n";
1344         } else {
1345                 print "<th>" .
1346                       $cgi->a({-href => "$my_uri?" . esc_param("o=descr"),
1347                                -class => "header"}, "Description") .
1348                       "</th>\n";
1349         }
1350         if ($order eq "owner") {
1351                 @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
1352                 print "<th>Owner</th>\n";
1353         } else {
1354                 print "<th>" .
1355                       $cgi->a({-href => "$my_uri?" . esc_param("o=owner"),
1356                                -class => "header"}, "Owner") .
1357                       "</th>\n";
1358         }
1359         if ($order eq "age") {
1360                 @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
1361                 print "<th>Last Change</th>\n";
1362         } else {
1363                 print "<th>" .
1364                       $cgi->a({-href => "$my_uri?" . esc_param("o=age"),
1365                                -class => "header"}, "Last Change") .
1366                       "</th>\n";
1367         }
1368         print "<th></th>\n" .
1369               "</tr>\n";
1370         my $alternate = 0;
1371         foreach my $pr (@projects) {
1372                 if ($alternate) {
1373                         print "<tr class=\"dark\">\n";
1374                 } else {
1375                         print "<tr class=\"light\">\n";
1376                 }
1377                 $alternate ^= 1;
1378                 print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary"),
1379                                         -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
1380                       "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
1381                       "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
1382                 print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" .
1383                       $pr->{'commit'}{'age_string'} . "</td>\n" .
1384                       "<td class=\"link\">" .
1385                       $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary")}, "summary")   . " | " .
1386                       $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=shortlog")}, "shortlog") . " | " .
1387                       $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=log")}, "log") .
1388                       "</td>\n" .
1389                       "</tr>\n";
1390         }
1391         print "</table>\n";
1392         git_footer_html();
1393 }
1394
1395 sub git_summary {
1396         my $descr = git_get_project_description($project) || "none";
1397         my $head = git_get_head_hash($project);
1398         my %co = parse_commit($head);
1399         my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
1400
1401         my $owner;
1402         if (-f $projects_list) {
1403                 open (my $fd , $projects_list);
1404                 while (my $line = <$fd>) {
1405                         chomp $line;
1406                         my ($pr, $ow) = split ' ', $line;
1407                         $pr = unescape($pr);
1408                         $ow = unescape($ow);
1409                         if ($pr eq $project) {
1410                                 $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
1411                                 last;
1412                         }
1413                 }
1414                 close $fd;
1415         }
1416         if (!defined $owner) {
1417                 $owner = get_file_owner("$projectroot/$project");
1418         }
1419
1420         my $refs = git_get_references();
1421         git_header_html();
1422         git_print_page_nav('summary','', $head);
1423
1424         print "<div class=\"title\">&nbsp;</div>\n";
1425         print "<table cellspacing=\"0\">\n" .
1426               "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
1427               "<tr><td>owner</td><td>$owner</td></tr>\n" .
1428               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
1429               "</table>\n";
1430
1431         open my $fd, "-|", $GIT, "rev-list", "--max-count=17", git_get_head_hash($project)
1432                 or die_error(undef, "Open git-rev-list failed");
1433         my @revlist = map { chomp; $_ } <$fd>;
1434         close $fd;
1435         git_print_header_div('shortlog');
1436         git_shortlog_body(\@revlist, 0, 15, $refs,
1437                           $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "..."));
1438
1439         my $taglist = git_get_refs_list("refs/tags");
1440         if (defined @$taglist) {
1441                 git_print_header_div('tags');
1442                 git_tags_body($taglist, 0, 15,
1443                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags")}, "..."));
1444         }
1445
1446         my $headlist = git_get_refs_list("refs/heads");
1447         if (defined @$headlist) {
1448                 git_print_header_div('heads');
1449                 git_heads_body($headlist, $head, 0, 15,
1450                                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads")}, "..."));
1451         }
1452
1453         git_footer_html();
1454 }
1455
1456 sub git_tag {
1457         my $head = git_get_head_hash($project);
1458         git_header_html();
1459         git_print_page_nav('','', $head,undef,$head);
1460         my %tag = parse_tag($hash);
1461         git_print_header_div('commit', esc_html($tag{'name'}), $hash);
1462         print "<div class=\"title_text\">\n" .
1463               "<table cellspacing=\"0\">\n" .
1464               "<tr>\n" .
1465               "<td>object</td>\n" .
1466               "<td>" . $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'object'}) . "</td>\n" .
1467               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'type'}) . "</td>\n" .
1468               "</tr>\n";
1469         if (defined($tag{'author'})) {
1470                 my %ad = parse_date($tag{'epoch'}, $tag{'tz'});
1471                 print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
1472                 print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1473         }
1474         print "</table>\n\n" .
1475               "</div>\n";
1476         print "<div class=\"page_body\">";
1477         my $comment = $tag{'comment'};
1478         foreach my $line (@$comment) {
1479                 print esc_html($line) . "<br/>\n";
1480         }
1481         print "</div>\n";
1482         git_footer_html();
1483 }
1484
1485 sub git_blame2 {
1486         my $fd;
1487         my $ftype;
1488         die_error(undef, "Permission denied") if (!git_get_project_config_bool ('blame'));
1489         die_error('404 Not Found', "File name not defined") if (!$file_name);
1490         $hash_base ||= git_get_head_hash($project);
1491         die_error(undef, "Couldn't find base commit") unless ($hash_base);
1492         my %co = parse_commit($hash_base)
1493                 or die_error(undef, "Reading commit failed");
1494         if (!defined $hash) {
1495                 $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1496                         or die_error(undef, "Error looking up file");
1497         }
1498         $ftype = git_get_type($hash);
1499         if ($ftype !~ "blob") {
1500                 die_error("400 Bad Request", "Object is not a blob");
1501         }
1502         open ($fd, "-|", $GIT, "blame", '-l', $file_name, $hash_base)
1503                 or die_error(undef, "Open git-blame failed");
1504         git_header_html();
1505         my $formats_nav =
1506                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1507                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head");
1508         git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1509         git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
1510         git_print_page_path($file_name, $ftype);
1511         my @rev_color = (qw(light2 dark2));
1512         my $num_colors = scalar(@rev_color);
1513         my $current_color = 0;
1514         my $last_rev;
1515         print "<div class=\"page_body\">\n";
1516         print "<table class=\"blame\">\n";
1517         print "<tr><th>Commit</th><th>Line</th><th>Data</th></tr>\n";
1518         while (<$fd>) {
1519                 /^([0-9a-fA-F]{40}).*?(\d+)\)\s{1}(\s*.*)/;
1520                 my $full_rev = $1;
1521                 my $rev = substr($full_rev, 0, 8);
1522                 my $lineno = $2;
1523                 my $data = $3;
1524
1525                 if (!defined $last_rev) {
1526                         $last_rev = $full_rev;
1527                 } elsif ($last_rev ne $full_rev) {
1528                         $last_rev = $full_rev;
1529                         $current_color = ++$current_color % $num_colors;
1530                 }
1531                 print "<tr class=\"$rev_color[$current_color]\">\n";
1532                 print "<td class=\"sha1\">" .
1533                         $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$full_rev;f=$file_name")}, esc_html($rev)) . "</td>\n";
1534                 print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" . esc_html($lineno) . "</a></td>\n";
1535                 print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
1536                 print "</tr>\n";
1537         }
1538         print "</table>\n";
1539         print "</div>";
1540         close $fd or print "Reading blob failed\n";
1541         git_footer_html();
1542 }
1543
1544 sub git_blame {
1545         my $fd;
1546         die_error('403 Permission denied', "Permission denied") if (!git_get_project_config_bool ('blame'));
1547         die_error('404 Not Found', "File name not defined") if (!$file_name);
1548         $hash_base ||= git_get_head_hash($project);
1549         die_error(undef, "Couldn't find base commit") unless ($hash_base);
1550         my %co = parse_commit($hash_base)
1551                 or die_error(undef, "Reading commit failed");
1552         if (!defined $hash) {
1553                 $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1554                         or die_error(undef, "Error lookup file");
1555         }
1556         open ($fd, "-|", $GIT, "annotate", '-l', '-t', '-r', $file_name, $hash_base)
1557                 or die_error(undef, "Open git-annotate failed");
1558         git_header_html();
1559         my $formats_nav =
1560                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1561                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head");
1562         git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1563         git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
1564         git_print_page_path($file_name, 'blob');
1565         print "<div class=\"page_body\">\n";
1566         print <<HTML;
1567 <table class="blame">
1568   <tr>
1569     <th>Commit</th>
1570     <th>Age</th>
1571     <th>Author</th>
1572     <th>Line</th>
1573     <th>Data</th>
1574   </tr>
1575 HTML
1576         my @line_class = (qw(light dark));
1577         my $line_class_len = scalar (@line_class);
1578         my $line_class_num = $#line_class;
1579         while (my $line = <$fd>) {
1580                 my $long_rev;
1581                 my $short_rev;
1582                 my $author;
1583                 my $time;
1584                 my $lineno;
1585                 my $data;
1586                 my $age;
1587                 my $age_str;
1588                 my $age_class;
1589
1590                 chomp $line;
1591                 $line_class_num = ($line_class_num + 1) % $line_class_len;
1592
1593                 if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
1594                         $long_rev = $1;
1595                         $author   = $2;
1596                         $time     = $3;
1597                         $lineno   = $4;
1598                         $data     = $5;
1599                 } else {
1600                         print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
1601                         next;
1602                 }
1603                 $short_rev  = substr ($long_rev, 0, 8);
1604                 $age        = time () - $time;
1605                 $age_str    = age_string ($age);
1606                 $age_str    =~ s/ /&nbsp;/g;
1607                 $age_class  = age_class($age);
1608                 $author     = esc_html ($author);
1609                 $author     =~ s/ /&nbsp;/g;
1610
1611                 $data = untabify($data);
1612                 $data = esc_html ($data);
1613
1614                 print <<HTML;
1615   <tr class="$line_class[$line_class_num]">
1616     <td class="sha1"><a href="$my_uri?${\esc_param ("p=$project;a=commit;h=$long_rev")}" class="text">$short_rev..</a></td>
1617     <td class="$age_class">$age_str</td>
1618     <td>$author</td>
1619     <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
1620     <td class="pre">$data</td>
1621   </tr>
1622 HTML
1623         } # while (my $line = <$fd>)
1624         print "</table>\n\n";
1625         close $fd or print "Reading blob failed.\n";
1626         print "</div>";
1627         git_footer_html();
1628 }
1629
1630 sub git_tags {
1631         my $head = git_get_head_hash($project);
1632         git_header_html();
1633         git_print_page_nav('','', $head,undef,$head);
1634         git_print_header_div('summary', $project);
1635
1636         my $taglist = git_get_refs_list("refs/tags");
1637         if (defined @$taglist) {
1638                 git_tags_body($taglist);
1639         }
1640         git_footer_html();
1641 }
1642
1643 sub git_heads {
1644         my $head = git_get_head_hash($project);
1645         git_header_html();
1646         git_print_page_nav('','', $head,undef,$head);
1647         git_print_header_div('summary', $project);
1648
1649         my $taglist = git_get_refs_list("refs/heads");
1650         if (defined @$taglist) {
1651                 git_heads_body($taglist, $head);
1652         }
1653         git_footer_html();
1654 }
1655
1656 sub git_blob_plain {
1657         if (!defined $hash) {
1658                 if (defined $file_name) {
1659                         my $base = $hash_base || git_get_head_hash($project);
1660                         $hash = git_get_hash_by_path($base, $file_name, "blob")
1661                                 or die_error(undef, "Error lookup file");
1662                 } else {
1663                         die_error(undef, "No file name defined");
1664                 }
1665         }
1666         my $type = shift;
1667         open my $fd, "-|", $GIT, "cat-file", "blob", $hash
1668                 or die_error(undef, "Couldn't cat $file_name, $hash");
1669
1670         $type ||= blob_mimetype($fd, $file_name);
1671
1672         # save as filename, even when no $file_name is given
1673         my $save_as = "$hash";
1674         if (defined $file_name) {
1675                 $save_as = $file_name;
1676         } elsif ($type =~ m/^text\//) {
1677                 $save_as .= '.txt';
1678         }
1679
1680         print $cgi->header(-type => "$type", '-content-disposition' => "inline; filename=\"$save_as\"");
1681         undef $/;
1682         binmode STDOUT, ':raw';
1683         print <$fd>;
1684         binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
1685         $/ = "\n";
1686         close $fd;
1687 }
1688
1689 sub git_blob {
1690         if (!defined $hash) {
1691                 if (defined $file_name) {
1692                         my $base = $hash_base || git_get_head_hash($project);
1693                         $hash = git_get_hash_by_path($base, $file_name, "blob")
1694                                 or die_error(undef, "Error lookup file");
1695                 } else {
1696                         die_error(undef, "No file name defined");
1697                 }
1698         }
1699         my $have_blame = git_get_project_config_bool ('blame');
1700         open my $fd, "-|", $GIT, "cat-file", "blob", $hash
1701                 or die_error(undef, "Couldn't cat $file_name, $hash");
1702         my $mimetype = blob_mimetype($fd, $file_name);
1703         if ($mimetype !~ m/^text\//) {
1704                 close $fd;
1705                 return git_blob_plain($mimetype);
1706         }
1707         git_header_html();
1708         my $formats_nav = '';
1709         if (defined $hash_base && (my %co = parse_commit($hash_base))) {
1710                 if (defined $file_name) {
1711                         if ($have_blame) {
1712                                 $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$hash;hb=$hash_base;f=$file_name")}, "blame") . " | ";
1713                         }
1714                         $formats_nav .=
1715                                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") .
1716                                 " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=HEAD;f=$file_name")}, "head");
1717                 } else {
1718                         $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash")}, "plain");
1719                 }
1720                 git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1721                 git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
1722         } else {
1723                 print "<div class=\"page_nav\">\n" .
1724                       "<br/><br/></div>\n" .
1725                       "<div class=\"title\">$hash</div>\n";
1726         }
1727         git_print_page_path($file_name, "blob");
1728         print "<div class=\"page_body\">\n";
1729         my $nr;
1730         while (my $line = <$fd>) {
1731                 chomp $line;
1732                 $nr++;
1733                 $line = untabify($line);
1734                 printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
1735         }
1736         close $fd or print "Reading blob failed.\n";
1737         print "</div>";
1738         git_footer_html();
1739 }
1740
1741 sub git_tree {
1742         if (!defined $hash) {
1743                 $hash = git_get_head_hash($project);
1744                 if (defined $file_name) {
1745                         my $base = $hash_base || $hash;
1746                         $hash = git_get_hash_by_path($base, $file_name, "tree");
1747                 }
1748                 if (!defined $hash_base) {
1749                         $hash_base = $hash;
1750                 }
1751         }
1752         $/ = "\0";
1753         open my $fd, "-|", $GIT, "ls-tree", '-z', $hash
1754                 or die_error(undef, "Open git-ls-tree failed");
1755         my @entries = map { chomp; $_ } <$fd>;
1756         close $fd or die_error(undef, "Reading tree failed");
1757         $/ = "\n";
1758
1759         my $refs = git_get_references();
1760         my $ref = format_ref_marker($refs, $hash_base);
1761         git_header_html();
1762         my $base_key = "";
1763         my $base = "";
1764         my $have_blame = git_get_project_config_bool ('blame');
1765         if (defined $hash_base && (my %co = parse_commit($hash_base))) {
1766                 $base_key = ";hb=$hash_base";
1767                 git_print_page_nav('tree','', $hash_base);
1768                 git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
1769         } else {
1770                 print "<div class=\"page_nav\">\n";
1771                 print "<br/><br/></div>\n";
1772                 print "<div class=\"title\">$hash</div>\n";
1773         }
1774         if (defined $file_name) {
1775                 $base = esc_html("$file_name/");
1776         }
1777         git_print_page_path($file_name, 'tree');
1778         print "<div class=\"page_body\">\n";
1779         print "<table cellspacing=\"0\">\n";
1780         my $alternate = 0;
1781         foreach my $line (@entries) {
1782                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1783                 $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1784                 my $t_mode = $1;
1785                 my $t_type = $2;
1786                 my $t_hash = $3;
1787                 my $t_name = validate_input($4);
1788                 if ($alternate) {
1789                         print "<tr class=\"dark\">\n";
1790                 } else {
1791                         print "<tr class=\"light\">\n";
1792                 }
1793                 $alternate ^= 1;
1794                 print "<td class=\"mode\">" . mode_str($t_mode) . "</td>\n";
1795                 if ($t_type eq "blob") {
1796                         print "<td class=\"list\">" .
1797                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name"), -class => "list"}, esc_html($t_name)) .
1798                               "</td>\n" .
1799                               "<td class=\"link\">" .
1800                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name")}, "blob");
1801                         if ($have_blame) {
1802                                 print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$t_hash$base_key;f=$base$t_name")}, "blame");
1803                         }
1804                         print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$t_hash;hb=$hash_base;f=$base$t_name")}, "history") .
1805                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$t_hash;f=$base$t_name")}, "raw") .
1806                               "</td>\n";
1807                 } elsif ($t_type eq "tree") {
1808                         print "<td class=\"list\">" .
1809                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, esc_html($t_name)) .
1810                               "</td>\n" .
1811                               "<td class=\"link\">" .
1812                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, "tree") .
1813                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$hash_base;f=$base$t_name")}, "history") .
1814                               "</td>\n";
1815                 }
1816                 print "</tr>\n";
1817         }
1818         print "</table>\n" .
1819               "</div>";
1820         git_footer_html();
1821 }
1822
1823 sub git_log {
1824         my $head = git_get_head_hash($project);
1825         if (!defined $hash) {
1826                 $hash = $head;
1827         }
1828         if (!defined $page) {
1829                 $page = 0;
1830         }
1831         my $refs = git_get_references();
1832
1833         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1834         open my $fd, "-|", $GIT, "rev-list", $limit, $hash
1835                 or die_error(undef, "Open git-rev-list failed");
1836         my @revlist = map { chomp; $_ } <$fd>;
1837         close $fd;
1838
1839         my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#revlist);
1840
1841         git_header_html();
1842         git_print_page_nav('log','', $hash,undef,undef, $paging_nav);
1843
1844         if (!@revlist) {
1845                 my %co = parse_commit($hash);
1846
1847                 git_print_header_div('summary', $project);
1848                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1849         }
1850         for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1851                 my $commit = $revlist[$i];
1852                 my $ref = format_ref_marker($refs, $commit);
1853                 my %co = parse_commit($commit);
1854                 next if !%co;
1855                 my %ad = parse_date($co{'author_epoch'});
1856                 git_print_header_div('commit',
1857                                "<span class=\"age\">$co{'age_string'}</span>" .
1858                                esc_html($co{'title'}) . $ref,
1859                                $commit);
1860                 print "<div class=\"title_text\">\n" .
1861                       "<div class=\"log_link\">\n" .
1862                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1863                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1864                       "<br/>\n" .
1865                       "</div>\n" .
1866                       "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1867                       "</div>\n" .
1868                       "<div class=\"log_body\">\n";
1869                 my $comment = $co{'comment'};
1870                 my $empty = 0;
1871                 foreach my $line (@$comment) {
1872                         if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1873                                 next;
1874                         }
1875                         if ($line eq "") {
1876                                 if ($empty) {
1877                                         next;
1878                                 }
1879                                 $empty = 1;
1880                         } else {
1881                                 $empty = 0;
1882                         }
1883                         print format_log_line_html($line) . "<br/>\n";
1884                 }
1885                 if (!$empty) {
1886                         print "<br/>\n";
1887                 }
1888                 print "</div>\n";
1889         }
1890         git_footer_html();
1891 }
1892
1893 sub git_commit {
1894         my %co = parse_commit($hash);
1895         if (!%co) {
1896                 die_error(undef, "Unknown commit object");
1897         }
1898         my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
1899         my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
1900
1901         my $parent = $co{'parent'};
1902         if (!defined $parent) {
1903                 $parent = "--root";
1904         }
1905         open my $fd, "-|", $GIT, "diff-tree", '-r', '-M', $parent, $hash
1906                 or die_error(undef, "Open git-diff-tree failed");
1907         my @difftree = map { chomp; $_ } <$fd>;
1908         close $fd or die_error(undef, "Reading git-diff-tree failed");
1909
1910         # non-textual hash id's can be cached
1911         my $expires;
1912         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1913                 $expires = "+1d";
1914         }
1915         my $refs = git_get_references();
1916         my $ref = format_ref_marker($refs, $co{'id'});
1917         my $formats_nav = '';
1918         if (defined $file_name && defined $co{'parent'}) {
1919                 my $parent = $co{'parent'};
1920                 $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;hb=$parent;f=$file_name")}, "blame");
1921         }
1922         git_header_html(undef, $expires);
1923         git_print_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
1924                      $hash, $co{'tree'}, $hash,
1925                      $formats_nav);
1926
1927         if (defined $co{'parent'}) {
1928                 git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
1929         } else {
1930                 git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
1931         }
1932         print "<div class=\"title_text\">\n" .
1933               "<table cellspacing=\"0\">\n";
1934         print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
1935               "<tr>" .
1936               "<td></td><td> $ad{'rfc2822'}";
1937         if ($ad{'hour_local'} < 6) {
1938                 printf(" (<span class=\"atnight\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1939         } else {
1940                 printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1941         }
1942         print "</td>" .
1943               "</tr>\n";
1944         print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
1945         print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1946         print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
1947         print "<tr>" .
1948               "<td>tree</td>" .
1949               "<td class=\"sha1\">" .
1950               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), class => "list"}, $co{'tree'}) .
1951               "</td>" .
1952               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
1953               "</td>" .
1954               "</tr>\n";
1955         my $parents = $co{'parents'};
1956         foreach my $par (@$parents) {
1957                 print "<tr>" .
1958                       "<td>parent</td>" .
1959                       "<td class=\"sha1\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par"), class => "list"}, $par) . "</td>" .
1960                       "<td class=\"link\">" .
1961                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par")}, "commit") .
1962                       " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash;hp=$par")}, "commitdiff") .
1963                       "</td>" .
1964                       "</tr>\n";
1965         }
1966         print "</table>".
1967               "</div>\n";
1968         print "<div class=\"page_body\">\n";
1969         my $comment = $co{'comment'};
1970         my $empty = 0;
1971         my $signed = 0;
1972         foreach my $line (@$comment) {
1973                 # print only one empty line
1974                 if ($line eq "") {
1975                         if ($empty || $signed) {
1976                                 next;
1977                         }
1978                         $empty = 1;
1979                 } else {
1980                         $empty = 0;
1981                 }
1982                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1983                         $signed = 1;
1984                         print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1985                 } else {
1986                         $signed = 0;
1987                         print format_log_line_html($line) . "<br/>\n";
1988                 }
1989         }
1990         print "</div>\n";
1991         print "<div class=\"list_head\">\n";
1992         if ($#difftree > 10) {
1993                 print(($#difftree + 1) . " files changed:\n");
1994         }
1995         print "</div>\n";
1996         print "<table class=\"diff_tree\">\n";
1997         my $alternate = 0;
1998         foreach my $line (@difftree) {
1999                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2000                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2001                 if ($line !~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
2002                         next;
2003                 }
2004                 my $from_mode = $1;
2005                 my $to_mode = $2;
2006                 my $from_id = $3;
2007                 my $to_id = $4;
2008                 my $status = $5;
2009                 my $similarity = $6;
2010                 my $file = validate_input(unquote($7));
2011                 if ($alternate) {
2012                         print "<tr class=\"dark\">\n";
2013                 } else {
2014                         print "<tr class=\"light\">\n";
2015                 }
2016                 $alternate ^= 1;
2017                 if ($status eq "A") {
2018                         my $mode_chng = "";
2019                         if (S_ISREG(oct $to_mode)) {
2020                                 $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
2021                         }
2022                         print "<td>" .
2023                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2024                               "<td><span class=\"file_status new\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
2025                               "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob") . "</td>\n";
2026                 } elsif ($status eq "D") {
2027                         print "<td>" .
2028                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$parent;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2029                               "<td><span class=\"file_status deleted\">[deleted " . file_type($from_mode). "]</span></td>\n" .
2030                               "<td class=\"link\">" .
2031                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$parent;f=$file")}, "blob") .
2032                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$parent;f=$file")}, "history") .
2033                               "</td>\n"
2034                 } elsif ($status eq "M" || $status eq "T") {
2035                         my $mode_chnge = "";
2036                         if ($from_mode != $to_mode) {
2037                                 $mode_chnge = " <span class=\"file_status mode_chnge\">[changed";
2038                                 if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
2039                                         $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
2040                                 }
2041                                 if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
2042                                         if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
2043                                                 $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
2044                                         } elsif (S_ISREG($to_mode)) {
2045                                                 $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
2046                                         }
2047                                 }
2048                                 $mode_chnge .= "]</span>\n";
2049                         }
2050                         print "<td>";
2051                         if ($to_id ne $from_id) {
2052                                 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));
2053                         } else {
2054                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
2055                         }
2056                         print "</td>\n" .
2057                               "<td>$mode_chnge</td>\n" .
2058                               "<td class=\"link\">";
2059                         print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob");
2060                         if ($to_id ne $from_id) {
2061                                 print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file")}, "diff");
2062                         }
2063                         print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$hash;f=$file")}, "history") . "\n";
2064                         print "</td>\n";
2065                 } elsif ($status eq "R") {
2066                         my ($from_file, $to_file) = split "\t", $file;
2067                         my $mode_chng = "";
2068                         if ($from_mode != $to_mode) {
2069                                 $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
2070                         }
2071                         print "<td>" .
2072                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"), -class => "list"}, esc_html($to_file)) . "</td>\n" .
2073                               "<td><span class=\"file_status moved\">[moved from " .
2074                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$parent;f=$from_file"), -class => "list"}, esc_html($from_file)) .
2075                               " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
2076                               "<td class=\"link\">" .
2077                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file")}, "blob");
2078                         if ($to_id ne $from_id) {
2079                                 print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file")}, "diff");
2080                         }
2081                         print "</td>\n";
2082                 }
2083                 print "</tr>\n";
2084         }
2085         print "</table>\n";
2086         git_footer_html();
2087 }
2088
2089 sub git_blobdiff {
2090         mkdir($git_temp, 0700);
2091         git_header_html();
2092         if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2093                 my $formats_nav =
2094                         $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent")}, "plain");
2095                 git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2096                 git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2097         } else {
2098                 print "<div class=\"page_nav\">\n" .
2099                       "<br/><br/></div>\n" .
2100                       "<div class=\"title\">$hash vs $hash_parent</div>\n";
2101         }
2102         git_print_page_path($file_name, "blob");
2103         print "<div class=\"page_body\">\n" .
2104               "<div class=\"diff_info\">blob:" .
2105               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name")}, $hash_parent) .
2106               " -> blob:" .
2107               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, $hash) .
2108               "</div>\n";
2109         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2110         print "</div>";
2111         git_footer_html();
2112 }
2113
2114 sub git_blobdiff_plain {
2115         mkdir($git_temp, 0700);
2116         print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2117         git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2118 }
2119
2120 sub git_commitdiff {
2121         mkdir($git_temp, 0700);
2122         my %co = parse_commit($hash);
2123         if (!%co) {
2124                 die_error(undef, "Unknown commit object");
2125         }
2126         if (!defined $hash_parent) {
2127                 $hash_parent = $co{'parent'} || '--root';
2128         }
2129         open my $fd, "-|", $GIT, "diff-tree", '-r', $hash_parent, $hash
2130                 or die_error(undef, "Open git-diff-tree failed");
2131         my @difftree = map { chomp; $_ } <$fd>;
2132         close $fd or die_error(undef, "Reading git-diff-tree failed");
2133
2134         # non-textual hash id's can be cached
2135         my $expires;
2136         if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2137                 $expires = "+1d";
2138         }
2139         my $refs = git_get_references();
2140         my $ref = format_ref_marker($refs, $co{'id'});
2141         my $formats_nav =
2142                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent")}, "plain");
2143         git_header_html(undef, $expires);
2144         git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
2145         git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
2146         print "<div class=\"page_body\">\n";
2147         my $comment = $co{'comment'};
2148         my $empty = 0;
2149         my $signed = 0;
2150         my @log = @$comment;
2151         # remove first and empty lines after that
2152         shift @log;
2153         while (defined $log[0] && $log[0] eq "") {
2154                 shift @log;
2155         }
2156         foreach my $line (@log) {
2157                 if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
2158                         next;
2159                 }
2160                 if ($line eq "") {
2161                         if ($empty) {
2162                                 next;
2163                         }
2164                         $empty = 1;
2165                 } else {
2166                         $empty = 0;
2167                 }
2168                 print format_log_line_html($line) . "<br/>\n";
2169         }
2170         print "<br/>\n";
2171         foreach my $line (@difftree) {
2172                 # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2173                 # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2174                 if ($line !~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2175                         next;
2176                 }
2177                 my $from_mode = $1;
2178                 my $to_mode = $2;
2179                 my $from_id = $3;
2180                 my $to_id = $4;
2181                 my $status = $5;
2182                 my $file = validate_input(unquote($6));
2183                 if ($status eq "A") {
2184                         print "<div class=\"diff_info\">" . file_type($to_mode) . ":" .
2185                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id) . "(new)" .
2186                               "</div>\n";
2187                         git_diff_print(undef, "/dev/null", $to_id, "b/$file");
2188                 } elsif ($status eq "D") {
2189                         print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
2190                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash_parent;f=$file")}, $from_id) . "(deleted)" .
2191                               "</div>\n";
2192                         git_diff_print($from_id, "a/$file", undef, "/dev/null");
2193                 } elsif ($status eq "M") {
2194                         if ($from_id ne $to_id) {
2195                                 print "<div class=\"diff_info\">" .
2196                                       file_type($from_mode) . ":" .
2197                                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash_parent;f=$file")}, $from_id) .
2198                                       " -> " .
2199                                       file_type($to_mode) . ":" .
2200                                       $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id);
2201                                 print "</div>\n";
2202                                 git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
2203                         }
2204                 }
2205         }
2206         print "<br/>\n" .
2207               "</div>";
2208         git_footer_html();
2209 }
2210
2211 sub git_commitdiff_plain {
2212         mkdir($git_temp, 0700);
2213         my %co = parse_commit($hash);
2214         if (!%co) {
2215                 die_error(undef, "Unknown commit object");
2216         }
2217         if (!defined $hash_parent) {
2218                 $hash_parent = $co{'parent'} || '--root';
2219         }
2220         open my $fd, "-|", $GIT, "diff-tree", '-r', $hash_parent, $hash
2221                 or die_error(undef, "Open git-diff-tree failed");
2222         my @difftree = map { chomp; $_ } <$fd>;
2223         close $fd or die_error(undef, "Reading diff-tree failed");
2224
2225         # try to figure out the next tag after this commit
2226         my $tagname;
2227         my $refs = git_get_references("tags");
2228         open $fd, "-|", $GIT, "rev-list", "HEAD";
2229         my @commits = map { chomp; $_ } <$fd>;
2230         close $fd;
2231         foreach my $commit (@commits) {
2232                 if (defined $refs->{$commit}) {
2233                         $tagname = $refs->{$commit}
2234                 }
2235                 if ($commit eq $hash) {
2236                         last;
2237                 }
2238         }
2239
2240         print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"git-$hash.patch\"");
2241         my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2242         my $comment = $co{'comment'};
2243         print "From: $co{'author'}\n" .
2244               "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
2245               "Subject: $co{'title'}\n";
2246         if (defined $tagname) {
2247                 print "X-Git-Tag: $tagname\n";
2248         }
2249         print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
2250               "\n";
2251
2252         foreach my $line (@$comment) {;
2253                 print "$line\n";
2254         }
2255         print "---\n\n";
2256
2257         foreach my $line (@difftree) {
2258                 if ($line !~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2259                         next;
2260                 }
2261                 my $from_id = $3;
2262                 my $to_id = $4;
2263                 my $status = $5;
2264                 my $file = $6;
2265                 if ($status eq "A") {
2266                         git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
2267                 } elsif ($status eq "D") {
2268                         git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
2269                 } elsif ($status eq "M") {
2270                         git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
2271                 }
2272         }
2273 }
2274
2275 sub git_history {
2276         if (!defined $hash_base) {
2277                 $hash_base = git_get_head_hash($project);
2278         }
2279         my $ftype;
2280         my %co = parse_commit($hash_base);
2281         if (!%co) {
2282                 die_error(undef, "Unknown commit object");
2283         }
2284         my $refs = git_get_references();
2285         git_header_html();
2286         git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base);
2287         git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2288         if (!defined $hash && defined $file_name) {
2289                 $hash = git_get_hash_by_path($hash_base, $file_name);
2290         }
2291         if (defined $hash) {
2292                 $ftype = git_get_type($hash);
2293         }
2294         git_print_page_path($file_name, $ftype);
2295
2296         open my $fd, "-|",
2297                 $GIT, "rev-list", "--full-history", $hash_base, "--", $file_name;
2298         print "<table cellspacing=\"0\">\n";
2299         my $alternate = 0;
2300         while (my $line = <$fd>) {
2301                 if ($line =~ m/^([0-9a-fA-F]{40})/){
2302                         my $commit = $1;
2303                         my %co = parse_commit($commit);
2304                         if (!%co) {
2305                                 next;
2306                         }
2307                         my $ref = format_ref_marker($refs, $commit);
2308                         if ($alternate) {
2309                                 print "<tr class=\"dark\">\n";
2310                         } else {
2311                                 print "<tr class=\"light\">\n";
2312                         }
2313                         $alternate ^= 1;
2314                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2315                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2316                               "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"}, "<b>" .
2317                               esc_html(chop_str($co{'title'}, 50)) . "$ref</b>") . "</td>\n" .
2318                               "<td class=\"link\">" .
2319                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2320                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2321                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$ftype;hb=$commit;f=$file_name")}, $ftype);
2322                         my $blob = git_get_hash_by_path($hash_base, $file_name);
2323                         my $blob_parent = git_get_hash_by_path($commit, $file_name);
2324                         if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
2325                                 print " | " .
2326                                 $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name")},
2327                                 "diff to current");
2328                         }
2329                         print "</td>\n" .
2330                               "</tr>\n";
2331                 }
2332         }
2333         print "</table>\n";
2334         close $fd;
2335         git_footer_html();
2336 }
2337
2338 sub git_search {
2339         if (!defined $searchtext) {
2340                 die_error(undef, "Text field empty");
2341         }
2342         if (!defined $hash) {
2343                 $hash = git_get_head_hash($project);
2344         }
2345         my %co = parse_commit($hash);
2346         if (!%co) {
2347                 die_error(undef, "Unknown commit object");
2348         }
2349         # pickaxe may take all resources of your box and run for several minutes
2350         # with every query - so decide by yourself how public you make this feature :)
2351         my $commit_search = 1;
2352         my $author_search = 0;
2353         my $committer_search = 0;
2354         my $pickaxe_search = 0;
2355         if ($searchtext =~ s/^author\\://i) {
2356                 $author_search = 1;
2357         } elsif ($searchtext =~ s/^committer\\://i) {
2358                 $committer_search = 1;
2359         } elsif ($searchtext =~ s/^pickaxe\\://i) {
2360                 $commit_search = 0;
2361                 $pickaxe_search = 1;
2362         }
2363         git_header_html();
2364         git_print_page_nav('','', $hash,$co{'tree'},$hash);
2365         git_print_header_div('commit', esc_html($co{'title'}), $hash);
2366
2367         print "<table cellspacing=\"0\">\n";
2368         my $alternate = 0;
2369         if ($commit_search) {
2370                 $/ = "\0";
2371                 open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", $hash or next;
2372                 while (my $commit_text = <$fd>) {
2373                         if (!grep m/$searchtext/i, $commit_text) {
2374                                 next;
2375                         }
2376                         if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2377                                 next;
2378                         }
2379                         if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2380                                 next;
2381                         }
2382                         my @commit_lines = split "\n", $commit_text;
2383                         my %co = parse_commit(undef, \@commit_lines);
2384                         if (!%co) {
2385                                 next;
2386                         }
2387                         if ($alternate) {
2388                                 print "<tr class=\"dark\">\n";
2389                         } else {
2390                                 print "<tr class=\"light\">\n";
2391                         }
2392                         $alternate ^= 1;
2393                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2394                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2395                               "<td>" .
2396                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" . esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2397                         my $comment = $co{'comment'};
2398                         foreach my $line (@$comment) {
2399                                 if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2400                                         my $lead = esc_html($1) || "";
2401                                         $lead = chop_str($lead, 30, 10);
2402                                         my $match = esc_html($2) || "";
2403                                         my $trail = esc_html($3) || "";
2404                                         $trail = chop_str($trail, 30, 10);
2405                                         my $text = "$lead<span class=\"match\">$match</span>$trail";
2406                                         print chop_str($text, 80, 5) . "<br/>\n";
2407                                 }
2408                         }
2409                         print "</td>\n" .
2410                               "<td class=\"link\">" .
2411                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2412                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2413                         print "</td>\n" .
2414                               "</tr>\n";
2415                 }
2416                 close $fd;
2417         }
2418
2419         if ($pickaxe_search) {
2420                 $/ = "\n";
2421                 open my $fd, "-|", "$GIT rev-list $hash | $GIT diff-tree -r --stdin -S\'$searchtext\'";
2422                 undef %co;
2423                 my @files;
2424                 while (my $line = <$fd>) {
2425                         if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2426                                 my %set;
2427                                 $set{'file'} = $6;
2428                                 $set{'from_id'} = $3;
2429                                 $set{'to_id'} = $4;
2430                                 $set{'id'} = $set{'to_id'};
2431                                 if ($set{'id'} =~ m/0{40}/) {
2432                                         $set{'id'} = $set{'from_id'};
2433                                 }
2434                                 if ($set{'id'} =~ m/0{40}/) {
2435                                         next;
2436                                 }
2437                                 push @files, \%set;
2438                         } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2439                                 if (%co) {
2440                                         if ($alternate) {
2441                                                 print "<tr class=\"dark\">\n";
2442                                         } else {
2443                                                 print "<tr class=\"light\">\n";
2444                                         }
2445                                         $alternate ^= 1;
2446                                         print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2447                                               "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2448                                               "<td>" .
2449                                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" .
2450                                               esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2451                                         while (my $setref = shift @files) {
2452                                                 my %set = %$setref;
2453                                                 print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}"), class => "list"},
2454                                                       "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
2455                                                       "<br/>\n";
2456                                         }
2457                                         print "</td>\n" .
2458                                               "<td class=\"link\">" .
2459                                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2460                                               " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2461                                         print "</td>\n" .
2462                                               "</tr>\n";
2463                                 }
2464                                 %co = parse_commit($1);
2465                         }
2466                 }
2467                 close $fd;
2468         }
2469         print "</table>\n";
2470         git_footer_html();
2471 }
2472
2473 sub git_shortlog {
2474         my $head = git_get_head_hash($project);
2475         if (!defined $hash) {
2476                 $hash = $head;
2477         }
2478         if (!defined $page) {
2479                 $page = 0;
2480         }
2481         my $refs = git_get_references();
2482
2483         my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2484         open my $fd, "-|", $GIT, "rev-list", $limit, $hash
2485                 or die_error(undef, "Open git-rev-list failed");
2486         my @revlist = map { chomp; $_ } <$fd>;
2487         close $fd;
2488
2489         my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#revlist);
2490         my $next_link = '';
2491         if ($#revlist >= (100 * ($page+1)-1)) {
2492                 $next_link =
2493                         $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)),
2494                                  -title => "Alt-n"}, "next");
2495         }
2496
2497
2498         git_header_html();
2499         git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
2500         git_print_header_div('summary', $project);
2501
2502         git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
2503
2504         git_footer_html();
2505 }
2506
2507 ## ......................................................................
2508 ## feeds (RSS, OPML)
2509
2510 sub git_rss {
2511         # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
2512         open my $fd, "-|", $GIT, "rev-list", "--max-count=150", git_get_head_hash($project)
2513                 or die_error(undef, "Open git-rev-list failed");
2514         my @revlist = map { chomp; $_ } <$fd>;
2515         close $fd or die_error(undef, "Reading git-rev-list failed");
2516         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
2517         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
2518               "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
2519         print "<channel>\n";
2520         print "<title>$project</title>\n".
2521               "<link>" . esc_html("$my_url?p=$project;a=summary") . "</link>\n".
2522               "<description>$project log</description>\n".
2523               "<language>en</language>\n";
2524
2525         for (my $i = 0; $i <= $#revlist; $i++) {
2526                 my $commit = $revlist[$i];
2527                 my %co = parse_commit($commit);
2528                 # we read 150, we always show 30 and the ones more recent than 48 hours
2529                 if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
2530                         last;
2531                 }
2532                 my %cd = parse_date($co{'committer_epoch'});
2533                 open $fd, "-|", $GIT, "diff-tree", '-r', $co{'parent'}, $co{'id'} or next;
2534                 my @difftree = map { chomp; $_ } <$fd>;
2535                 close $fd or next;
2536                 print "<item>\n" .
2537                       "<title>" .
2538                       sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
2539                       "</title>\n" .
2540                       "<author>" . esc_html($co{'author'}) . "</author>\n" .
2541                       "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
2542                       "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
2543                       "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
2544                       "<description>" . esc_html($co{'title'}) . "</description>\n" .
2545                       "<content:encoded>" .
2546                       "<![CDATA[\n";
2547                 my $comment = $co{'comment'};
2548                 foreach my $line (@$comment) {
2549                         $line = decode("utf8", $line, Encode::FB_DEFAULT);
2550                         print "$line<br/>\n";
2551                 }
2552                 print "<br/>\n";
2553                 foreach my $line (@difftree) {
2554                         if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
2555                                 next;
2556                         }
2557                         my $file = validate_input(unquote($7));
2558                         $file = decode("utf8", $file, Encode::FB_DEFAULT);
2559                         print "$file<br/>\n";
2560                 }
2561                 print "]]>\n" .
2562                       "</content:encoded>\n" .
2563                       "</item>\n";
2564         }
2565         print "</channel></rss>";
2566 }
2567
2568 sub git_opml {
2569         my @list = git_get_projects_list();
2570
2571         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
2572         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
2573               "<opml version=\"1.0\">\n".
2574               "<head>".
2575               "  <title>$site_name Git OPML Export</title>\n".
2576               "</head>\n".
2577               "<body>\n".
2578               "<outline text=\"git RSS feeds\">\n";
2579
2580         foreach my $pr (@list) {
2581                 my %proj = %$pr;
2582                 my $head = git_get_head_hash($proj{'path'});
2583                 if (!defined $head) {
2584                         next;
2585                 }
2586                 $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
2587                 my %co = parse_commit($head);
2588                 if (!%co) {
2589                         next;
2590                 }
2591
2592                 my $path = esc_html(chop_str($proj{'path'}, 25, 5));
2593                 my $rss  = "$my_url?p=$proj{'path'};a=rss";
2594                 my $html = "$my_url?p=$proj{'path'};a=summary";
2595                 print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
2596         }
2597         print "</outline>\n".
2598               "</body>\n".
2599               "</opml>\n";
2600 }