gitweb.cgi

   1 #!/usr/bin/perl
   2
   3 # gitweb.pl - simple web interface to track changes in git repositories
   4 #
   5 # (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
   6 # (C) 2005, Christian Gierke <ch@gierke.de>
   7 #
   8 # This program is licensed under the GPL v2, or a later version
   9
  10 use strict;
  11 use warnings;
  12 use CGI qw(:standard :escapeHTML);
  13 use CGI::Carp qw(fatalsToBrowser);
  14 use Fcntl ':mode';
  15
  16 my $cgi = new CGI;
  17 my $version =           "142";
  18 my $my_url =            $cgi->url();
  19 my $my_uri =            $cgi->url(-absolute => 1);
  20 my $rss_link = "";
  21
  22 # absolute fs-path which will be prepended to the project path
  23 my $projectroot =       "/pub/scm";
  24
  25 # location of the git-core binaries
  26 my $gitbin =            "/usr/bin";
  27
  28 # location for temporary files needed for diffs
  29 my $gittmp =            "/tmp/gitweb";
  30
  31 # target of the home link on top of all pages
  32 my $home_link =         $my_uri;
  33
  34 # html text to include at home page
  35 my $home_text =         "indextext.html";
  36
  37 # source of projects list
  38 #my $projects_list = $projectroot;
  39 my $projects_list = "index/index.txt";
  40
  41 # input validation and dispatch
  42 my $action = $cgi->param('a');
  43 if (defined $action) {
  44         if ($action =~ m/[^0-9a-zA-Z\.\-]+/) {
  45                 undef $action;
  46                 die_error(undef, "Invalid action parameter.");
  47         }
  48         if ($action eq "git-logo.png") {
  49                 git_logo();
  50                 exit;
  51         }
  52 } else {
  53         $action = "summary";
  54 }
  55
  56 my $project = $cgi->param('p');
  57 if (defined $project) {
  58         if ($project =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
  59                 undef $project;
  60                 die_error(undef, "Non-canonical project parameter.");
  61         }
  62         if ($project =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~]/) {
  63                 undef $project;
  64                 die_error(undef, "Invalid character in project parameter.");
  65         }
  66         if (!(-d "$projectroot/$project")) {
  67                 undef $project;
  68                 die_error(undef, "No such directory.");
  69         }
  70         if (!(-e "$projectroot/$project/HEAD")) {
  71                 undef $project;
  72                 die_error(undef, "No such project.");
  73         }
  74         $rss_link = "<link rel=\"alternate\" title=\"$project log\" href=\"$my_uri?p=$project;a=rss\" type=\"application/rss+xml\"/>";
  75         $ENV{'GIT_OBJECT_DIRECTORY'} = "$projectroot/$project/objects";
  76         $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects";
  77 } else {
  78         git_project_list();
  79         exit;
  80 }
  81
  82 my $file_name = $cgi->param('f');
  83 if (defined $file_name) {
  84         if ($file_name =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
  85                 undef $file_name;
  86                 die_error(undef, "Non-canonical file parameter.");
  87         }
  88         if ($file_name =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~\:\!]/) {
  89                 undef $file_name;
  90                 die_error(undef, "Invalid character in file parameter.");
  91         }
  92 }
  93
  94 my $hash = $cgi->param('h');
  95 if (defined $hash && !($hash =~ m/^[0-9a-fA-F]{40}$/)) {
  96         undef $hash;
  97         die_error(undef, "Invalid hash parameter.");
  98 }
  99
 100 my $hash_parent = $cgi->param('hp');
 101 if (defined $hash_parent && !($hash_parent =~ m/^[0-9a-fA-F]{40}$/)) {
 102         undef $hash_parent;
 103         die_error(undef, "Invalid hash_parent parameter.");
 104 }
 105
 106 my $hash_base = $cgi->param('hb');
 107 if (defined $hash_base && !($hash_base =~ m/^[0-9a-fA-F]{40}$/)) {
 108         undef $hash_base;
 109         die_error(undef, "Invalid parent hash parameter.");
 110 }
 111
 112 my $time_back = $cgi->param('t');
 113 if (defined $time_back) {
 114         if ($time_back =~ m/^[^0-9]+$/) {
 115                 undef $time_back;
 116                 die_error(undef, "Invalid time parameter.");
 117         }
 118 }
 119
 120 if ($action eq "summary") {
 121         git_summary();
 122         exit;
 123 } elsif ($action eq "tags") {
 124         git_tags();
 125         exit;
 126 } elsif ($action eq "blob") {
 127         git_blob();
 128         exit;
 129 } elsif ($action eq "tree") {
 130         git_tree();
 131         exit;
 132 } elsif ($action eq "rss") {
 133         git_rss();
 134         exit;
 135 } elsif ($action eq "commit") {
 136         git_commit();
 137         exit;
 138 } elsif ($action eq "log") {
 139         git_log();
 140         exit;
 141 } elsif ($action eq "blobdiff") {
 142         git_blobdiff();
 143         exit;
 144 } elsif ($action eq "commitdiff") {
 145         git_commitdiff();
 146         exit;
 147 } elsif ($action eq "history") {
 148         git_history();
 149         exit;
 150 } else {
 151         undef $action;
 152         die_error(undef, "Unknown action.");
 153         exit;
 154 }
 155
 156 sub git_header_html {
 157         my $status = shift || "200 OK";
 158
 159         my $title = "git";
 160         if (defined $project) {
 161                 $title .= " - $project";
 162                 if (defined $action) {
 163                         $title .= "/$action";
 164                 }
 165         }
 166         print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status);
 167         print <<EOF;
 168 <?xml version="1.0" encoding="utf-8"?>
 169 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 170 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 171 <!-- git web interface v$version, (C) 2005, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke <ch\@gierke.de> -->
 172 <head>
 173 <title>$title</title>
 174 $rss_link
 175 <style type="text/css">
 176 body { font-family: sans-serif; font-size: 12px; margin:0px; border:solid #d9d8d1; border-width:1px; margin:10px; }
 177 a { color:#0000cc; }
 178 a:hover, a:visited, a:active { color:#880000; }
 179 div.page_header { height:25px; padding:8px; font-size:18px; font-weight:bold; background-color:#d9d8d1; }
 180 div.page_header a:visited { color:#0000cc; }
 181 div.page_header a:hover { color:#880000; }
 182 div.page_nav { padding:8px; }
 183 div.page_nav a:visited { color:#0000cc; }
 184 div.page_path { font-weight:bold; padding:8px; border:solid #d9d8d1; border-width:0px 0px 1px}
 185 div.page_footer { height:17px; padding:4px 8px; background-color: #d9d8d1; }
 186 div.page_footer_text { float:left; color:#555555; font-style:italic; }
 187 div.page_body { padding:8px; }
 188 div.title, a.title {
 189         display:block; padding:6px 8px;
 190         font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
 191 }
 192 a.title:hover { background-color: #d9d8d1; }
 193 div.title_text { padding:6px 8px; border: solid #d9d8d1; border-width:0px 0px 1px; }
 194 div.log_body { padding:8px 8px 8px 150px; }
 195 span.log_age { position:relative; float:left; width:142px; font-style:italic; }
 196 div.log_link {
 197         font-size:10px; font-family:sans-serif; font-style:normal;
 198         position:relative; float:left; width:142px;
 199 }
 200 div.list { display:block; padding:4px 8px 2px; }
 201 div.list_head {
 202         display:block; padding:6px 6px 4px; border:solid #d9d8d1;
 203         border-width:0px 0px 1px; font-style:italic;
 204 }
 205 div.list a { text-decoration:none; color:#000000; }
 206 div.list a:hover { color:#880000; }
 207 div.list_link {
 208         padding:4px 8px 6px; border:solid #d9d8d1; border-width:0px 0px 1px;
 209         font-family:sans-serif; font-size:10px;
 210 }
 211 td { padding:5px 15px 0px 0px; font-size:12px; }
 212 th { padding-right:10px; font-size:12px; text-align:left; }
 213 td.link { font-family:sans-serif; font-size:10px; }
 214 td.pre { font-family:monospace; font-size:12px; white-space:pre; padding:2px 15px 0px 0px; }
 215 div.pre { font-family:monospace; font-size:12px; white-space:pre; }
 216 div.diff_info { font-family:monospace; color:#000099; background-color:#edece6; font-style:italic; }
 217 div.index_include { border:solid #d9d8d1; border-width:0px 0px 1px; padding:12px 8px; }
 218 a.rss_logo { float:right; padding:3px 0px; width:35px; line-height:10px;
 219         border:1px solid; border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e;
 220         color:#ffffff; background-color:#ff6600;
 221         font-weight:bold; font-family:sans-serif; font-size:10px;
 222         text-align:center; text-decoration:none;
 223 }
 224 a.rss_logo:hover { background-color:#ee5500; }
 225 </style>
 226 </head>
 227 <body>
 228 EOF
 229         print "<div class=\"page_header\">\n" .
 230               "<a href=\"http://kernel.org/pub/software/scm/git/docs/\">" .
 231               "<img src=\"$my_uri?a=git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
 232         print $cgi->a({-href => $home_link}, "projects") . " / ";
 233         if (defined $project) {
 234                 print $cgi->a({-href => "$my_uri?p=$project;a=summary"}, escapeHTML($project));
 235                 if (defined $action) {
 236                         print " / $action";
 237                 }
 238         }
 239         print "</div>\n";
 240 }
 241
 242 sub git_footer_html {
 243         print "<div class=\"page_footer\">\n";
 244         if (defined $project) {
 245                 my $descr = git_read_description($project);
 246                 if (defined $descr) {
 247                         print "<div class=\"page_footer_text\">" . escapeHTML($descr) . "</div>\n";
 248                 }
 249                 print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "rss_logo"}, "RSS") . "\n";
 250         }
 251         print "</div>\n" .
 252               "</body>\n" .
 253               "</html>";
 254 }
 255
 256 sub die_error {
 257         my $status = shift || "403 Forbidden";
 258         my $error = shift || "Malformed query, file missing or permission denied";
 259
 260         git_header_html($status);
 261         print "<div class=\"page_body\">\n" .
 262               "<br/><br/>\n";
 263         print "$status - $error\n";
 264         print "<br/></div>\n";
 265         git_footer_html();
 266         exit;
 267 }
 268
 269 sub git_get_type {
 270         my $hash = shift;
 271
 272         open my $fd, "-|", "$gitbin/git-cat-file -t $hash" || return;
 273         my $type = <$fd>;
 274         close $fd;
 275         chomp $type;
 276         return $type;
 277 }
 278
 279 sub git_read_hash {
 280         my $path = shift;
 281
 282         open my $fd, "$projectroot/$path" || return undef;
 283         my $head = <$fd>;
 284         close $fd;
 285         chomp $head;
 286         if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 287                 return $head;
 288         }
 289 }
 290
 291 sub git_read_description {
 292         my $path = shift;
 293
 294         open my $fd, "$projectroot/$path/description" || return undef;
 295         my $descr = <$fd>;
 296         close $fd;
 297         chomp $descr;
 298         return $descr;
 299 }
 300
 301 sub git_read_tag {
 302         my $tag_id = shift;
 303         my %tag;
 304
 305         open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" || return;
 306         while (my $line = <$fd>) {
 307                 chomp $line;
 308                 if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 309                         $tag{'object'} = $1;
 310                 } elsif ($line =~ m/^type (.*)$/) {
 311                         $tag{'type'} = $1;
 312                 } elsif ($line =~ m/^tag (.*)$/) {
 313                         $tag{'name'} = $1;
 314                 }
 315         }
 316         close $fd || return;
 317         if (!defined $tag{'name'}) {
 318                 return
 319         };
 320         return %tag
 321 }
 322
 323 sub git_read_commit {
 324         my $commit = shift;
 325         my %co;
 326         my @parents;
 327
 328         open my $fd, "-|", "$gitbin/git-cat-file commit $commit" || return;
 329         while (my $line = <$fd>) {
 330                 last if $line eq "\n";
 331                 chomp $line;
 332                 if ($line =~ m/^tree (.*)$/) {
 333                         $co{'tree'} = $1;
 334                 } elsif ($line =~ m/^parent (.*)$/) {
 335                         push @parents, $1;
 336                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 337                         $co{'author'} = $1;
 338                         $co{'author_epoch'} = $2;
 339                         $co{'author_tz'} = $3;
 340                         $co{'author_name'} = $co{'author'};
 341                         $co{'author_name'} =~ s/ <.*//;
 342                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 343                         $co{'committer'} = $1;
 344                         $co{'committer_epoch'} = $2;
 345                         $co{'committer_tz'} = $3;
 346                         $co{'committer_name'} = $co{'committer'};
 347                         $co{'committer_name'} =~ s/ <.*//;
 348                 }
 349         }
 350         if (!defined $co{'tree'}) {
 351                 close $fd;
 352                 return undef
 353         };
 354         $co{'parents'} = \@parents;
 355         $co{'parent'} = $parents[0];
 356         my (@comment) = map { chomp; $_ } <$fd>;
 357         $co{'comment'} = \@comment;
 358         $comment[0] =~ m/^(.{0,60}[^ ]*)/;
 359         $co{'title'} = $1;
 360         if ($comment[0] ne $co{'title'}) {
 361                 $co{'title'} .= " ...";
 362         }
 363         close $fd || return;
 364
 365         my $age = time - $co{'committer_epoch'};
 366         $co{'age'} = $age;
 367         if ($age > 60*60*24*365*2) {
 368                 $co{'age_string'} = (int $age/60/60/24/365);
 369                 $co{'age_string'} .= " years ago";
 370         } elsif ($age > 60*60*24*(365/12)*2) {
 371                 $co{'age_string'} = int $age/60/60/24/(365/12);
 372                 $co{'age_string'} .= " months ago";
 373         } elsif ($age > 60*60*24*7*2) {
 374                 $co{'age_string'} = int $age/60/60/24/7;
 375                 $co{'age_string'} .= " weeks ago";
 376         } elsif ($age > 60*60*24*2) {
 377                 $co{'age_string'} = int $age/60/60/24;
 378                 $co{'age_string'} .= " days ago";
 379         } elsif ($age > 60*60*2) {
 380                 $co{'age_string'} = int $age/60/60;
 381                 $co{'age_string'} .= " hours ago";
 382         } elsif ($age > 60*2) {
 383                 $co{'age_string'} = int $age/60;
 384                 $co{'age_string'} .= " minutes ago";
 385         } elsif ($age > 2) {
 386                 $co{'age_string'} = int $age;
 387                 $co{'age_string'} .= " seconds ago";
 388         } else {
 389                 $co{'age_string'} .= " right now";
 390         }
 391         return %co;
 392 }
 393
 394 sub git_diff_html {
 395         my $from = shift;
 396         my $from_name = shift;
 397         my $to = shift;
 398         my $to_name = shift;
 399
 400         my $from_tmp = "/dev/null";
 401         my $to_tmp = "/dev/null";
 402         my $pid = $$;
 403
 404         # create tmp from-file
 405         if (defined $from) {
 406                 $from_tmp = "$gittmp/gitweb_" . $$ . "_from";
 407                 open my $fd2, "> $from_tmp";
 408                 open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 409                 my @file = <$fd>;
 410                 print $fd2 @file;
 411                 close $fd2;
 412                 close $fd;
 413         }
 414
 415         # create tmp to-file
 416         if (defined $to) {
 417                 $to_tmp = "$gittmp/gitweb_" . $$ . "_to";
 418                 open my $fd2, "> $to_tmp";
 419                 open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 420                 my @file = <$fd>;
 421                 print $fd2 @file;
 422                 close $fd2;
 423                 close $fd;
 424         }
 425
 426         open my $fd, "-|", "/usr/bin/diff -u -p -L $from_name -L $to_name $from_tmp $to_tmp";
 427         while (my $line = <$fd>) {
 428                 chomp($line);
 429                 my $char = substr($line, 0, 1);
 430                 my $color = "";
 431                 if ($char eq '+') {
 432                         $color = " style=\"color:#008800;\"";
 433                 } elsif ($char eq '-') {
 434                         $color = " style=\"color:#cc0000;\"";
 435                 } elsif ($char eq '@') {
 436                         $color = " style=\"color:#990099;\"";
 437                 } elsif ($char eq '\\') {
 438                         # skip errors
 439                         next;
 440                 }
 441                 print "<div class=\"pre\"$color>" . escapeHTML($line) . "</div>\n";
 442         }
 443         close $fd;
 444
 445         if (defined $from) {
 446                 unlink($from_tmp);
 447         }
 448         if (defined $to) {
 449                 unlink($to_tmp);
 450         }
 451 }
 452
 453 sub mode_str {
 454         my $mode = oct shift;
 455
 456         if (S_ISDIR($mode & S_IFMT)) {
 457                 return 'drwxr-xr-x';
 458         } elsif (S_ISLNK($mode)) {
 459                 return 'lrwxrwxrwx';
 460         } elsif (S_ISREG($mode)) {
 461                 # git cares only about the executable bit
 462                 if ($mode & S_IXUSR) {
 463                         return '-rwxr-xr-x';
 464                 } else {
 465                         return '-rw-r--r--';
 466                 };
 467         } else {
 468                 return '----------';
 469         }
 470 }
 471
 472 sub file_type {
 473         my $mode = oct shift;
 474
 475         if (S_ISDIR($mode & S_IFMT)) {
 476                 return "directory";
 477         } elsif (S_ISLNK($mode)) {
 478                 return "symlink";
 479         } elsif (S_ISREG($mode)) {
 480                 return "file";
 481         } else {
 482                 return "unknown";
 483         }
 484 }
 485
 486 sub date_str {
 487         my $epoch = shift;
 488         my $tz = shift || "-0000";
 489
 490         my %date;
 491         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 492         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 493         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 494         $date{'hour'} = $hour;
 495         $date{'minute'} = $min;
 496         $date{'mday'} = $mday;
 497         $date{'day'} = $days[$wday];
 498         $date{'month'} = $months[$mon];
 499         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 500         $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 501
 502         $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 503         my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 504         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 505         $date{'hour_local'} = $hour;
 506         $date{'minute_local'} = $min;
 507         $date{'tz_local'} = $tz;
 508         return %date;
 509 }
 510
 511 # git-logo (cached in browser for one day)
 512 sub git_logo {
 513         print $cgi->header(-type => 'image/png', -expires => '+1d');
 514         # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 515         print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 516                 "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 517                 "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 518                 "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 519                 "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 520                 "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 521                 "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 522                 "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 523                 "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 524                 "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 525                 "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 526                 "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 527                 "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 528 }
 529
 530 sub get_file_owner {
 531         my $path = shift;
 532
 533         my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 534         my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 535         if (!defined $gcos) {
 536                 return undef;
 537         }
 538         my $owner = $gcos;
 539         $owner =~ s/[,;].*$//;
 540         return $owner;
 541 }
 542
 543 sub git_project_list {
 544         my @list;
 545
 546         if (-d $projects_list) {
 547                 # search in directory
 548                 my $dir = $projects_list;
 549                 opendir my $dh, $dir || return undef;
 550                 while (my $dir = readdir($dh)) {
 551                         if (-e "$projectroot/$dir/HEAD") {
 552                                 my $pr = {
 553                                         path => $dir,
 554                                 };
 555                                 push @list, $pr
 556                         }
 557                 }
 558                 closedir($dh);
 559         } elsif (-f $projects_list) {
 560                 # read from file:
 561                 # 'git/git.git:Linus Torvalds'
 562                 # 'linux/hotplug/udev.git'
 563                 open my $fd , $projects_list || return undef;
 564                 while (my $line = <$fd>) {
 565                         chomp $line;
 566                         my ($path, $owner) = split ':', $line;
 567                         if (!defined $path) {
 568                                 next;
 569                         }
 570                         if (-e "$projectroot/$path/HEAD") {
 571                                 my $pr = {
 572                                         path => $path,
 573                                         owner => $owner,
 574                                 };
 575                                 push @list, $pr
 576                         }
 577                 }
 578                 close $fd;
 579         }
 580
 581         if (!@list) {
 582                 die_error(undef, "No project found.");
 583         }
 584         @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 585
 586         git_header_html();
 587         if (-f $home_text) {
 588                 print "<div class=\"index_include\">\n";
 589                 open (my $fd, $home_text);
 590                 print <$fd>;
 591                 close $fd;
 592                 print "</div>\n";
 593         }
 594         print "<div class=\"page_body\"><br/>\n" .
 595               "<table cellspacing=\"0\">\n" .
 596               "<tr>\n" .
 597               "<th>Project</th>\n" .
 598               "<th>Description</th>\n" .
 599               "<th>Owner</th>\n" .
 600               "<th>last change</th>\n" .
 601               "<th></th>\n" .
 602               "</tr>\n";
 603         foreach my $pr (@list) {
 604                 my %proj = %$pr;
 605                 my $head = git_read_hash("$proj{'path'}/HEAD");
 606                 if (!defined $head) {
 607                         next;
 608                 }
 609                 $ENV{'GIT_OBJECT_DIRECTORY'} = "$projectroot/$proj{'path'}/objects";
 610                 $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$proj{'path'}/objects";
 611                 my %co = git_read_commit($head);
 612                 if (!%co) {
 613                         next;
 614                 }
 615                 my $descr = git_read_description($proj{'path'}) || "";
 616                 # get directory owner if not already specified
 617                 if (!defined $proj{'owner'}) {
 618                         $proj{'owner'} = get_file_owner("$projectroot/$proj{'path'}") || "";
 619                 }
 620                 print "<tr>\n" .
 621                       "<td>" . $cgi->a({-href => "$my_uri?p=" . $proj{'path'} . ";a=summary"}, escapeHTML($proj{'path'})) . "</td>\n" .
 622                       "<td>$descr</td>\n" .
 623                       "<td><i>$proj{'owner'}</i></td>\n";
 624                 my $colored_age;
 625                 if ($co{'age'} < 60*60*2) {
 626                         $colored_age = "<span style =\"color: #009900;\"><b><i>$co{'age_string'}</i></b></span>";
 627                 } elsif ($co{'age'} < 60*60*24*2) {
 628                         $colored_age = "<span style =\"color: #009900;\"><i>$co{'age_string'}</i></span>";
 629                 } else {
 630                         $colored_age = "<i>$co{'age_string'}</i>";
 631                 }
 632                 print "<td>$colored_age</td>\n" .
 633                       "<td class=\"link\">" .
 634                       $cgi->a({-href => "$my_uri?p=$proj{'path'};a=summary"}, "summary") .
 635                       " | " . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=log"}, "log") .
 636                       " | " . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=tree"}, "tree") .
 637                       "</td>\n";
 638         }
 639         print "</table>\n" .
 640               "<br/>\n" .
 641               "</div>\n";
 642         git_footer_html();
 643 }
 644
 645 sub git_read_tags {
 646         my @taglist;
 647
 648         opendir my $dh, "$projectroot/$project/refs/tags";
 649         my @tags = grep !m/^\./, readdir $dh;
 650         closedir($dh);
 651         foreach my $tag_file (@tags) {
 652                 my $tag_id = git_read_hash("$project/refs/tags/$tag_file");
 653                 my $type = git_get_type($tag_id) || next;
 654                 my %tag_item;
 655                 my %co;
 656                 if ($type eq "tag") {
 657                         my %tag = git_read_tag($tag_id);
 658                         if ($tag{'type'} eq "commit") {
 659                                 %co = git_read_commit($tag{'object'});
 660                         }
 661                         $tag_item{'type'} = $tag{'type'};
 662                         $tag_item{'name'} = $tag{'name'};
 663                         $tag_item{'id'} = $tag{'object'};
 664                 } elsif ($type eq "commit"){
 665                         %co = git_read_commit($tag_id);
 666                         $tag_item{'type'} = "commit";
 667                         $tag_item{'name'} = $tag_file;
 668                         $tag_item{'id'} = $tag_id;
 669                 }
 670                 $tag_item{'epoch'} = $co{'author_epoch'} || 0;
 671                 $tag_item{'age'} = $co{'age_string'} || "unknown";
 672
 673                 push @taglist, \%tag_item;
 674         }
 675         # sort tags by age
 676         @taglist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @taglist;
 677         return \@taglist;
 678 }
 679
 680 sub git_summary {
 681         my $descr = git_read_description($project) || "none";
 682         my $head = git_read_hash("$project/HEAD");
 683         $ENV{'GIT_OBJECT_DIRECTORY'} = "$projectroot/$project/objects";
 684         $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects";
 685         my %co = git_read_commit($head);
 686         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 687
 688         my $owner;
 689         if (-f $projects_list) {
 690                 open (my $fd , $projects_list);
 691                 while (my $line = <$fd>) {
 692                         chomp $line;
 693                         my ($pr, $ow) = split ':', $line;
 694                         if ($pr eq $project) {
 695                                 $owner = $ow;
 696                                 last;
 697                         }
 698                 }
 699                 close $fd;
 700         }
 701         if (!defined $owner) {
 702                 $owner = get_file_owner("$projectroot/$project");
 703         }
 704
 705         git_header_html();
 706         print "<div class=\"page_nav\">\n" .
 707               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 708               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;hb=$head"}, "latest tree") .
 709               "<br/><br/>\n" .
 710               "</div>\n";
 711         print "<div class=\"title\">project</div>\n";
 712         print "<div class=\"page_body\">\n" .
 713               "<table cellspacing=\"0\">\n" .
 714               "<tr><td>description</td><td>" . escapeHTML($descr) . "</td></tr>\n" .
 715               "<tr><td>owner</td><td>$owner</td></tr>\n" .
 716               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
 717               "</table>\n" .
 718               "</div><br/>\n";
 719         open my $fd, "-|", "$gitbin/git-rev-list --max-count=11 " . git_read_hash("$project/HEAD") || die_error(undef, "Open failed.");
 720         my (@revlist) = map { chomp; $_ } <$fd>;
 721         close $fd;
 722         print "<div>\n" .
 723               $cgi->a({-href => "$my_uri?p=$project;a=log", -class => "title"}, "recent commits") .
 724               "</div>\n";
 725         my $i = 10;
 726         foreach my $commit (@revlist) {
 727                 my %co = git_read_commit($commit);
 728                 my %ad = date_str($co{'author_epoch'});
 729                 print "<div class=\"list\">\n" .
 730                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"},
 731                       "<span class=\"log_age\">" . $co{'age_string'} . "</span>" . escapeHTML($co{'title'})) . "\n" .
 732                       "</div>\n";
 733                 if (--$i == 0) {
 734                         print "<div class=\"list\">" . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "...") . "</div>\n";
 735                         last;
 736                 }
 737         }
 738         print "<br/>\n";
 739
 740         my $taglist = git_read_tags();
 741         if (defined @$taglist) {
 742                 print "<div>\n" .
 743                       $cgi->a({-href => "$my_uri?p=$project;a=tags", -class => "title"}, "recent tags") .
 744                       "</div>\n";
 745                 my $i = 10;
 746                 foreach my $entry (@$taglist) {
 747                         my %tag = %$entry;
 748                         print "<div class=\"list\">\n" .
 749                               $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}"},
 750                               "<span class=\"log_age\">$tag{'age'}</span>" .  escapeHTML($tag{'name'})) . "\n" .
 751                               "</div>\n";
 752                         if (--$i == 0) {
 753                                 print "<div class=\"list\">" . $cgi->a({-href => "$my_uri?p=$project;a=tags"}, "...") . "</div>\n";
 754                                 last;
 755                         }
 756                 }
 757         }
 758         print "<br/>\n";
 759         git_footer_html();
 760 }
 761
 762 sub git_tags {
 763         my $head = git_read_hash("$project/HEAD");
 764         git_header_html();
 765         print "<div class=\"page_nav\">\n" .
 766               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 767               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
 768               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
 769               "<br/><br/>\n" .
 770               "</div>\n";
 771         my $taglist = git_read_tags();
 772         print "<div>\n" .
 773               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "tags") .
 774               "</div>\n";
 775         if (defined @$taglist) {
 776                 foreach my $entry (@$taglist) {
 777                         my %tag = %$entry;
 778                         print "<div class=\"list\">\n" .
 779                               $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}"},
 780                               "<span class=\"log_age\">$tag{'age'}</span>" .  escapeHTML($tag{'name'})) . "\n" .
 781                               "</div>\n";
 782                 }
 783         }
 784         print "<br/>\n";
 785         git_footer_html();
 786 }
 787
 788 sub git_get_hash_by_path {
 789         my $base = shift;
 790         my $path = shift;
 791
 792         my $tree = $base;
 793         my @parts = split '/', $path;
 794         while (my $part = shift @parts) {
 795                 open my $fd, "-|", "$gitbin/git-ls-tree $tree" || die_error(undef, "Open git-ls-tree failed.");
 796                 my (@entries) = map { chomp; $_ } <$fd>;
 797                 close $fd || return undef;
 798                 foreach my $line (@entries) {
 799                         #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 800                         $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 801                         my $t_mode = $1;
 802                         my $t_type = $2;
 803                         my $t_hash = $3;
 804                         my $t_name = $4;
 805                         if ($t_name eq $part) {
 806                                 if (!(@parts)) {
 807                                         return $t_hash;
 808                                 }
 809                                 if ($t_type eq "tree") {
 810                                         $tree = $t_hash;
 811                                 }
 812                                 last;
 813                         }
 814                 }
 815         }
 816 }
 817
 818 sub git_blob {
 819         if (!defined $hash && defined $file_name) {
 820                 my $base = $hash_base || git_read_hash("$project/HEAD");
 821                 $hash = git_get_hash_by_path($base, $file_name, "blob");
 822         }
 823         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" || die_error(undef, "Open failed.");
 824         my $base = $file_name || "";
 825         git_header_html();
 826         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
 827                 print "<div class=\"page_nav\">\n" .
 828                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
 829                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
 830                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" . $co{'tree'} . ";hb=$hash_base"}, "tree");
 831                 if (defined $file_name) {
 832                         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base;f=$file_name"}, "history");
 833                 }
 834                 print "<br/><br/>\n" .
 835                       "</div>\n";
 836                 print "<div>" .
 837                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) .
 838                       "</div>\n";
 839         } else {
 840                 print "<div class=\"page_nav\">\n" .
 841                       "<br/><br/></div>\n" .
 842                       "<div class=\"title\">$hash</div>\n";
 843         }
 844         if (defined $file_name) {
 845                 print "<div class=\"page_path\">/$file_name</div>\n";
 846         }
 847         print "<div class=\"page_body\">\n";
 848         my $nr;
 849         while (my $line = <$fd>) {
 850                 chomp $line;
 851                 $nr++;
 852                 print "<div class=\"pre\">";
 853                 printf "<span style=\"color:#999999;\">%4i</span>", $nr;
 854                 print " " .escapeHTML($line) . "</div>\n";
 855         }
 856         close $fd || print "Reading blob failed.\n";
 857         print "</div>";
 858         git_footer_html();
 859 }
 860
 861 sub git_tree {
 862         if (!defined $hash) {
 863                 $hash = git_read_hash("$project/HEAD");
 864                 if (defined $file_name) {
 865                         my $base = $hash_base || git_read_hash("$project/HEAD");
 866                         $hash = git_get_hash_by_path($base, $file_name, "tree");
 867                 }
 868         }
 869         open my $fd, "-|", "$gitbin/git-ls-tree $hash" || die_error(undef, "Open git-ls-tree failed.");
 870         my (@entries) = map { chomp; $_ } <$fd>;
 871         close $fd || die_error(undef, "Reading tree failed.");
 872
 873         git_header_html();
 874         my $base_key = "";
 875         my $file_key = "";
 876         my $base = "";
 877         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
 878                 $base_key = ";hb=$hash_base";
 879                 print "<div class=\"page_nav\">\n" .
 880                       $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 881                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
 882                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
 883                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree") .
 884                       "<br/><br/>\n" .
 885                       "</div>\n";
 886                 print "<div>\n" .
 887                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
 888                       "</div>\n";
 889         } else {
 890                 print "<div class=\"page_nav\">\n";
 891                 print "<br/><br/></div>\n";
 892                 print "<div class=\"title\">$hash</div>\n";
 893         }
 894         if (defined $file_name) {
 895                 $base = "$file_name/";
 896                 print "<div class=\"page_path\">/$file_name</div>\n";
 897         } else {
 898                 print "<div class=\"page_path\">/</div>\n";
 899         }
 900         print "<div class=\"page_body\">\n";
 901         print "<table cellspacing=\"0\">\n";
 902         foreach my $line (@entries) {
 903                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 904                 $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 905                 my $t_mode = $1;
 906                 my $t_type = $2;
 907                 my $t_hash = $3;
 908                 my $t_name = $4;
 909                 $file_key = ";f=$base$t_name";
 910                 print "<tr>\n" .
 911                       "<td class=\"pre\">" . mode_str($t_mode) . "</td>\n";
 912                 if ($t_type eq "blob") {
 913                         print "<td class=\"pre\">$t_name</td>\n";
 914                         print "<td class=\"link\">" .
 915                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key}, "blob") .
 916                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base" . $file_key}, "history") .
 917                               "</td>\n";
 918                 } elsif ($t_type eq "tree") {
 919                         print "<td class=\"pre\">" .
 920                               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key}, $t_name) .
 921                               "</td>\n";
 922                 }
 923                 print "</tr>\n";
 924         }
 925         print "</table>\n" .
 926               "</div>";
 927         git_footer_html();
 928 }
 929
 930 sub git_rss {
 931         open my $fd, "-|", "$gitbin/git-rev-list --max-count=20 " . git_read_hash("$project/HEAD") || die_error(undef, "Open failed.");
 932         my (@revlist) = map { chomp; $_ } <$fd>;
 933         close $fd || die_error(undef, "Reading rev-list failed.");
 934
 935         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
 936         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
 937               "<rss version=\"0.91\">\n";
 938         print "<channel>\n";
 939         print "<title>$project</title>\n".
 940               "<link> " . $my_url . "/$project/log</link>\n".
 941               "<description>$project log</description>\n".
 942               "<language>en</language>\n";
 943
 944         foreach my $commit (@revlist) {
 945                 my %co = git_read_commit($commit);
 946                 my %ad = date_str($co{'author_epoch'});
 947                 print "<item>\n" .
 948                       "\t<title>" . sprintf("%d %s %02d:%02d", $ad{'mday'}, $ad{'month'}, $ad{'hour'}, $ad{'minute'}) . " - " . escapeHTML($co{'title'}) . "</title>\n" .
 949                       "\t<link> " . $my_url . "?p=$project;a=commit;h=$commit</link>\n" .
 950                       "\t<description>";
 951                 my $comment = $co{'comment'};
 952                 foreach my $line (@$comment) {
 953                         print escapeHTML($line) . "<br/>\n";
 954                 }
 955                 print "\t</description>\n" .
 956                       "</item>\n";
 957         }
 958         print "</channel></rss>";
 959 }
 960
 961 sub git_log {
 962         my $head = git_read_hash("$project/HEAD");
 963         my $limit_option = "";
 964         if (!defined $time_back) {
 965                 $limit_option = "--max-count=10";
 966         } elsif ($time_back > 0) {
 967                 my $date = time - $time_back*24*60*60;
 968                 $limit_option = "--max-age=$date";
 969         }
 970         open my $fd, "-|", "$gitbin/git-rev-list $limit_option $head" || die_error(undef, "Open failed.");
 971         my (@revlist) = map { chomp; $_ } <$fd>;
 972         close $fd || die_error(undef, "Reading rev-list failed.");
 973
 974         git_header_html();
 975         print "<div class=\"page_nav\">\n";
 976         print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "last 10") . " | " .
 977               $cgi->a({-href => "$my_uri?p=$project;a=log;t=1"}, "day") . " | " .
 978               $cgi->a({-href => "$my_uri?p=$project;a=log;t=7"}, "week") . " | " .
 979               $cgi->a({-href => "$my_uri?p=$project;a=log;t=31"}, "month") . " | " .
 980               $cgi->a({-href => "$my_uri?p=$project;a=log;t=365"}, "year") . " | " .
 981               $cgi->a({-href => "$my_uri?p=$project;a=log;t=0"}, "all") . "<br/>\n";
 982         print "<br/>\n" .
 983               "</div>\n";
 984
 985         if (!@revlist) {
 986                 my %co = git_read_commit($head);
 987                 print "<div class=\"page_body\"> Last change " . $co{'age_string'} . ".<br/><br/></div>\n";
 988         }
 989
 990         foreach my $commit (@revlist) {
 991                 my %co = git_read_commit($commit);
 992                 next if !%co;
 993                 my %ad = date_str($co{'author_epoch'});
 994                 print "<div>\n" .
 995                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "title"},
 996                       "<span class=\"log_age\">" . $co{'age_string'} . "</span>" . escapeHTML($co{'title'})) . "\n" .
 997                       "</div>\n";
 998                 print "<div class=\"title_text\">\n" .
 999                       "<div class=\"log_link\">\n" .
1000                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1001                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
1002                       "<br/>\n" .
1003                       "</div>\n" .
1004                       "<i>" . escapeHTML($co{'author_name'}) .  " [" . $ad{'rfc2822'} . "]</i><br/>\n" .
1005                       "</div>\n" .
1006                       "<div class=\"log_body\">\n";
1007                 my $comment = $co{'comment'};
1008                 my $empty = 0;
1009                 foreach my $line (@$comment) {
1010                         if ($line =~ m/^(signed[ \-]off[\-]by[ :]|acked[\-]by[ \:]|cc[ :])/i) {
1011                                 next;
1012                         }
1013                         if ($line eq "") {
1014                                 if ($empty) {
1015                                         next;
1016                                 }
1017                                 $empty = 1;
1018                         } else {
1019                                 $empty = 0;
1020                         }
1021                         print escapeHTML($line) . "<br/>\n";
1022                 }
1023                 if (!$empty) {
1024                         print "<br/>\n";
1025                 }
1026                 print "</div>\n";
1027         }
1028         git_footer_html();
1029 }
1030
1031 sub git_commit {
1032         my %co = git_read_commit($hash);
1033         if (!%co) {
1034                 die_error(undef, "Unknown commit object.");
1035         }
1036         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1037         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1038
1039         my @difftree;
1040         if (defined $co{'parent'}) {
1041                 open my $fd, "-|", "$gitbin/git-diff-tree -r " . $co{'parent'} . " $hash" || die_error(undef, "Open failed.");
1042                 @difftree = map { chomp; $_ } <$fd>;
1043                 close $fd || die_error(undef, "Reading diff-tree failed.");
1044         } else {
1045                 # fake git-diff-tree output for initial revision
1046                 open my $fd, "-|", "$gitbin/git-ls-tree -r $hash" || die_error(undef, "Open failed.");
1047                 @difftree = map { chomp;  "+" . $_ } <$fd>;
1048                 close $fd || die_error(undef, "Reading ls-tree failed.");
1049         }
1050         git_header_html();
1051         print "<div class=\"page_nav\">\n" .
1052               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1053               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit");
1054         if (defined $co{'parent'}) {
1055                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff");
1056         }
1057         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" . $co{'tree'} . ";hb=$hash"}, "tree") . "\n" .
1058               "<br/><br/></div>\n";
1059         if (defined $co{'parent'}) {
1060                 print "<div>\n" .
1061                       $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1062                       "</div>\n";
1063         } else {
1064                 print "<div>\n" .
1065                       $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" . $co{'tree'} . ";hb=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1066                       "</div>\n";
1067         }
1068         print "<div class=\"title_text\">\n" .
1069               "<table cellspacing=\"0\">\n";
1070         print "<tr><td>author</td><td>" . escapeHTML($co{'author'}) . "</td></tr>\n".
1071               "<tr><td></td><td> " . $ad{'rfc2822'};
1072         if ($ad{'hour_local'} < 6) {
1073                 printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1074         } else {
1075                 printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1076         }
1077         print "</td></tr>\n";
1078         print "<tr><td>committer</td><td>" . escapeHTML($co{'committer'}) . "</td></tr>\n";
1079         print "<tr><td></td><td> " . $cd{'rfc2822'} . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1080         print "<tr><td>commit</td><td style=\"font-family: monospace;\">$hash</td></tr>\n";
1081         print "<tr><td>tree</td><td style=\"font-family: monospace;\">" .
1082               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" . $co{'tree'} . ";hb=" . $hash}, $co{'tree'}) . "</td></tr>\n";
1083         my $parents  = $co{'parents'};
1084         foreach my $par (@$parents) {
1085                 print "<tr><td>parent</td><td style=\"font-family: monospace;\">" .
1086                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, $par) . "</td></tr>\n";
1087         }
1088         print "</table>".
1089               "</div>\n";
1090         print "<div class=\"page_body\">\n";
1091         my $comment = $co{'comment'};
1092         my $empty = 0;
1093         my $signed = 0;
1094         foreach my $line (@$comment) {
1095                 # print only one empty line
1096                 if ($line eq "") {
1097                         if ($empty || $signed) {
1098                                 next;
1099                         }
1100                         $empty = 1;
1101                 } else {
1102                         $empty = 0;
1103                 }
1104                 if ($line =~ m/^(signed[ \-]off[\-]by[ :]|acked[\-]by[ \:]|cc[ :])/i) {
1105                         $signed = 1;
1106                         print "<span style=\"color: #888888\">" . escapeHTML($line) . "</span><br/>\n";
1107                 } else {
1108                         $signed = 0;
1109                         print escapeHTML($line) . "<br/>\n";
1110                 }
1111         }
1112         print "</div>\n";
1113         print "<div class=\"list_head\">\n";
1114         if ($#difftree > 10) {
1115                 print(($#difftree + 1) . " files changed:\n");
1116         }
1117         print "</div>\n";
1118         foreach my $line (@difftree) {
1119                 # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
1120                 # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
1121                 # '*100664->100644      blob    b1a8e3dd5556b61dd771d32307c6ee5d7150fa43->b1a8e3dd5556b61dd771d32307c6ee5d7150fa43      show-files.c'
1122                 # '*100664->100644      blob    d08e895238bac36d8220586fdc28c27e1a7a76d3->d08e895238bac36d8220586fdc28c27e1a7a76d3      update-cache.c'
1123                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
1124                 my $op = $1;
1125                 my $mode = $2;
1126                 my $type = $3;
1127                 my $id = $4;
1128                 my $file = $5;
1129                 if ($type eq "blob") {
1130                         if ($op eq "+") {
1131                                 my $mode_chng = "";
1132                                 if (S_ISREG(oct $mode)) {
1133                                         $mode_chng = sprintf(" with mode: %04o", (oct $mode) & 0777);
1134                                 }
1135                                 print "<div class=\"list\">\n" .
1136                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"},
1137                                       escapeHTML($file) . " <span style=\"color: #008000;\">[new " . file_type($mode) . $mode_chng . "]</span>") . "\n" .
1138                                       "</div>\n";
1139                                 print "<div class=\"list_link\">\n" .
1140                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, "blob") . "\n" .
1141                                       "</div>\n";
1142                         } elsif ($op eq "-") {
1143                                 print "<div class=\"list\">\n" .
1144                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"},
1145                                       escapeHTML($file) .  " <span style=\"color: #c00000;\">[deleted " . file_type($mode) . "]</span>") . "\n" .
1146                                       "</div>";
1147                                 print "<div class=\"list_link\">\n" .
1148                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, "blob") . " | " .
1149                                       $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n" .
1150                                       "</div>\n";
1151                         } elsif ($op eq "*") {
1152                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
1153                                 my $from_id = $1;
1154                                 my $to_id = $2;
1155                                 $mode =~ m/^([0-7]{6})->([0-7]{6})$/;
1156                                 my $from_mode = $1;
1157                                 my $to_mode = $2;
1158                                 my $mode_chnge = "";
1159                                 if ($from_mode != $to_mode) {
1160                                         $mode_chnge = " <span style=\"color: #777777;\">[changed";
1161                                         if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
1162                                                 $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
1163                                         }
1164                                         if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
1165                                                 if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
1166                                                         $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
1167                                                 } elsif (S_ISREG($to_mode)) {
1168                                                         $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
1169                                                 }
1170                                         }
1171                                         $mode_chnge .= "]</span>\n";
1172                                 }
1173                                 print "<div class=\"list\">\n";
1174                                 if ($to_id ne $from_id) {
1175                                         print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"},
1176                                               escapeHTML($file) . $mode_chnge) . "\n" .
1177                                               "</div>\n";
1178                                 } else {
1179                                         print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"},
1180                                               escapeHTML($file) . $mode_chnge) . "\n" .
1181                                               "</div>\n";
1182                                 }
1183                                 print "<div class=\"list_link\">\n";
1184                                 if ($to_id ne $from_id) {
1185                                         print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"}, "diff") . " | ";
1186                                 }
1187                                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "blob") . " | " .
1188                                       $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n" .
1189                                       "</div>\n";
1190                         }
1191                 }
1192         }
1193         git_footer_html();
1194 }
1195
1196 sub git_blobdiff {
1197         mkdir($gittmp, 0700);
1198         git_header_html();
1199         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1200                 print "<div class=\"page_nav\">\n" .
1201                       $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1202                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1203                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1204                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" . $co{'tree'} . ";hb=$hash_base"}, "tree");
1205                         if (defined $file_name) {
1206                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base;f=$file_name"}, "history");
1207                         }
1208                 print "<br/><br/>\n" .
1209                       "</div>\n";
1210                 print "<div>\n" .
1211                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1212                       "</div>\n";
1213         } else {
1214                 print "<div class=\"page_nav\">\n" .
1215                       "<br/><br/></div>\n" .
1216                       "<div class=\"title\">$hash vs $hash_parent</div>\n";
1217         }
1218         if (defined $file_name) {
1219                 print "<div class=\"page_path\">\n" .
1220                       "/$file_name\n" .
1221                       "</div>\n";
1222         }
1223         print "<div class=\"page_body\">\n" .
1224               "<div class=\"diff_info\">blob:" .
1225               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name"}, $hash_parent) .
1226               " -> blob:" .
1227               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name"}, $hash) .
1228               "</div>\n";
1229         git_diff_html($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
1230         print "</div>";
1231         git_footer_html();
1232 }
1233
1234 sub git_commitdiff {
1235         mkdir($gittmp, 0700);
1236         my %co = git_read_commit($hash);
1237         if (!%co) {
1238                 die_error(undef, "Unknown commit object.");
1239         }
1240         open my $fd, "-|", "$gitbin/git-diff-tree -r " . $co{'parent'} . " $hash" || die_error(undef, "Open failed.");
1241         my (@difftree) = map { chomp; $_ } <$fd>;
1242         close $fd || die_error(undef, "Reading diff-tree failed.");
1243
1244         git_header_html();
1245         print "<div class=\"page_nav\">\n" .
1246               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1247               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1248               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
1249               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" .  $co{'tree'} . ";hb=$hash"}, "tree") .
1250               "<br/><br/></div>\n";
1251         print "<div>\n" .
1252               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1253               "</div>\n";
1254         print "<div class=\"page_body\">\n";
1255         foreach my $line (@difftree) {
1256                 # '*100644->100644      blob    8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154      Makefile'
1257                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
1258                 my $op = $1;
1259                 my $mode = $2;
1260                 my $type = $3;
1261                 my $id = $4;
1262                 my $file = $5;
1263                 if ($type eq "blob") {
1264                         if ($op eq "+") {
1265                                 print "<div class=\"diff_info\">" .  file_type($mode) . ":" .
1266                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, $id) . "(new)" .
1267                                       "</div>\n";
1268                                 git_diff_html(undef, "/dev/null", $id, "b/$file");
1269                         } elsif ($op eq "-") {
1270                                 print "<div class=\"diff_info\">" . file_type($mode) . ":" .
1271                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, $id) . "(deleted)" .
1272                                       "</div>\n";
1273                                 git_diff_html($id, "a/$file", undef, "/dev/null");
1274                         } elsif ($op eq "*") {
1275                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
1276                                 my $from_id = $1;
1277                                 my $to_id = $2;
1278                                 $mode =~ m/([0-7]+)->([0-7]+)/;
1279                                 my $from_mode = $1;
1280                                 my $to_mode = $2;
1281                                 if ($from_id ne $to_id) {
1282                                         print "<div class=\"diff_info\">" .
1283                                               file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) .
1284                                               " -> " .
1285                                               file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id);
1286                                         print "</div>\n";
1287                                         git_diff_html($from_id, "a/$file",  $to_id, "b/$file");
1288                                 }
1289                         }
1290                 }
1291         }
1292         print "<br/>\n" .
1293               "</div>";
1294         git_footer_html();
1295 }
1296
1297 sub git_history {
1298         if (!defined $hash) {
1299                 $hash = git_read_hash("$project/HEAD");
1300         }
1301         my %co = git_read_commit($hash);
1302         if (!%co) {
1303                 die_error(undef, "Unknown commit object.");
1304         }
1305         git_header_html();
1306         print "<div class=\"page_nav\">\n" .
1307               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | " .
1308               $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") . " | " .
1309               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" . $co{'tree'} . ";hb=$hash"}, "tree") .
1310               "<br/><br/>\n" .
1311               "</div>\n";
1312         print "<div>\n" .
1313               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1314               "</div>\n";
1315         print "<div class=\"page_path\">\n" .
1316               "/$file_name<br/>\n";
1317         print "</div>\n";
1318         open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin $file_name";
1319         my $commit;
1320         while (my $line = <$fd>) {
1321                 if ($line =~ m/^([0-9a-fA-F]{40}) /){
1322                         $commit = $1;
1323                         next;
1324                 }
1325                 if ($line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/ && (defined $commit)) {
1326                         my $type = $3;
1327                         my $file = $5;
1328                         if ($file ne $file_name || $type ne "blob") {
1329                                 next;
1330                         }
1331                         my %co = git_read_commit($commit);
1332                         if (!%co) {
1333                                 next;
1334                         }
1335                         print "<div class=\"list\">\n" .
1336                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"},
1337                               "<span class=\"log_age\">" . $co{'age_string'} . "</span>" . escapeHTML($co{'title'})) . "\n" .
1338                               "</div>\n";
1339                         print "<div class=\"list_link\">\n" .
1340                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1341                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" .  $co{'tree'} . ";hb=$commit"}, "tree") .
1342                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=blob;hb=$commit;f=" . $file}, "blob");
1343                         my $blob = git_get_hash_by_path($hash, $file_name);
1344                         my $blob_parent = git_get_hash_by_path($commit, $file_name);
1345                         if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
1346                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=" . $file}, "diff");
1347                         }
1348                         print "<br/>\n" .
1349                               "</div>\n";
1350                         undef $commit;
1351                 }
1352         }
1353         close $fd;
1354         git_footer_html();
1355 }