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 =           "145";
  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                       "</tr>\n";
 639         }
 640         print "</table>\n" .
 641               "<br/>\n" .
 642               "</div>\n";
 643         git_footer_html();
 644 }
 645
 646 sub git_read_tags {
 647         my @taglist;
 648
 649         opendir my $dh, "$projectroot/$project/refs/tags";
 650         my @tags = grep !m/^\./, readdir $dh;
 651         closedir($dh);
 652         foreach my $tag_file (@tags) {
 653                 my $tag_id = git_read_hash("$project/refs/tags/$tag_file");
 654                 my $type = git_get_type($tag_id) || next;
 655                 my %tag_item;
 656                 my %co;
 657                 if ($type eq "tag") {
 658                         my %tag = git_read_tag($tag_id);
 659                         if ($tag{'type'} eq "commit") {
 660                                 %co = git_read_commit($tag{'object'});
 661                         }
 662                         $tag_item{'type'} = $tag{'type'};
 663                         $tag_item{'name'} = $tag{'name'};
 664                         $tag_item{'id'} = $tag{'object'};
 665                 } elsif ($type eq "commit"){
 666                         %co = git_read_commit($tag_id);
 667                         $tag_item{'type'} = "commit";
 668                         $tag_item{'name'} = $tag_file;
 669                         $tag_item{'id'} = $tag_id;
 670                 }
 671                 $tag_item{'epoch'} = $co{'author_epoch'} || 0;
 672                 $tag_item{'age'} = $co{'age_string'} || "unknown";
 673
 674                 push @taglist, \%tag_item;
 675         }
 676         # sort tags by age
 677         @taglist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @taglist;
 678         return \@taglist;
 679 }
 680
 681 sub git_summary {
 682         my $descr = git_read_description($project) || "none";
 683         my $head = git_read_hash("$project/HEAD");
 684         $ENV{'GIT_OBJECT_DIRECTORY'} = "$projectroot/$project/objects";
 685         $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects";
 686         my %co = git_read_commit($head);
 687         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 688
 689         my $owner;
 690         if (-f $projects_list) {
 691                 open (my $fd , $projects_list);
 692                 while (my $line = <$fd>) {
 693                         chomp $line;
 694                         my ($pr, $ow) = split ':', $line;
 695                         if ($pr eq $project) {
 696                                 $owner = $ow;
 697                                 last;
 698                         }
 699                 }
 700                 close $fd;
 701         }
 702         if (!defined $owner) {
 703                 $owner = get_file_owner("$projectroot/$project");
 704         }
 705
 706         git_header_html();
 707         print "<div class=\"page_nav\">\n" .
 708               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 709               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
 710               "<br/><br/>\n" .
 711               "</div>\n";
 712         print "<div class=\"title\">project</div>\n";
 713         print "<div class=\"page_body\">\n" .
 714               "<table cellspacing=\"0\">\n" .
 715               "<tr><td>description</td><td>" . escapeHTML($descr) . "</td></tr>\n" .
 716               "<tr><td>owner</td><td>$owner</td></tr>\n" .
 717               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
 718               "</table>\n" .
 719               "<br/></div>\n";
 720         open my $fd, "-|", "$gitbin/git-rev-list --max-count=11 " . git_read_hash("$project/HEAD") || die_error(undef, "Open failed.");
 721         my (@revlist) = map { chomp; $_ } <$fd>;
 722         close $fd;
 723         print "<div>\n" .
 724               $cgi->a({-href => "$my_uri?p=$project;a=log", -class => "title"}, "recent commits") .
 725               "</div>\n";
 726         my $i = 10;
 727         foreach my $commit (@revlist) {
 728                 my %co = git_read_commit($commit);
 729                 my %ad = date_str($co{'author_epoch'});
 730                 print "<div class=\"list\">\n" .
 731                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"},
 732                       "<span class=\"log_age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
 733                       "</div>\n";
 734                 if (--$i == 0) {
 735                         print "<div class=\"list\">" . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "...") . "</div>\n";
 736                         last;
 737                 }
 738         }
 739         print "<div class=\"list\"><br/></div>\n";
 740
 741         my $taglist = git_read_tags();
 742         if (defined @$taglist) {
 743                 print "<div>\n" .
 744                       $cgi->a({-href => "$my_uri?p=$project;a=tags", -class => "title"}, "recent tags") .
 745                       "</div>\n";
 746                 my $i = 10;
 747                 foreach my $entry (@$taglist) {
 748                         my %tag = %$entry;
 749                         print "<div class=\"list\">\n" .
 750                               $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}"},
 751                               "<span class=\"log_age\">$tag{'age'}</span>" .  escapeHTML($tag{'name'})) . "\n" .
 752                               "</div>\n";
 753                         if (--$i == 0) {
 754                                 print "<div class=\"list\">" . $cgi->a({-href => "$my_uri?p=$project;a=tags"}, "...") . "</div>\n";
 755                                 last;
 756                         }
 757                 }
 758                 print "<div class=\"list\"><br/></div>\n";
 759         }
 760         git_footer_html();
 761 }
 762
 763 sub git_tags {
 764         my $head = git_read_hash("$project/HEAD");
 765         git_header_html();
 766         print "<div class=\"page_nav\">\n" .
 767               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 768               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
 769               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
 770               "<br/><br/>\n" .
 771               "</div>\n";
 772         my $taglist = git_read_tags();
 773         print "<div>\n" .
 774               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "tags") .
 775               "</div>\n";
 776         if (defined @$taglist) {
 777                 foreach my $entry (@$taglist) {
 778                         my %tag = %$entry;
 779                         print "<div class=\"list\">\n" .
 780                               $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}"},
 781                               "<span class=\"log_age\">$tag{'age'}</span>" .  escapeHTML($tag{'name'})) . "\n" .
 782                               "</div>\n";
 783                 }
 784         }
 785         print "<div class=\"list\"><br/></div>\n";
 786         git_footer_html();
 787 }
 788
 789 sub git_get_hash_by_path {
 790         my $base = shift;
 791         my $path = shift;
 792
 793         my $tree = $base;
 794         my @parts = split '/', $path;
 795         while (my $part = shift @parts) {
 796                 open my $fd, "-|", "$gitbin/git-ls-tree $tree" || die_error(undef, "Open git-ls-tree failed.");
 797                 my (@entries) = map { chomp; $_ } <$fd>;
 798                 close $fd || return undef;
 799                 foreach my $line (@entries) {
 800                         #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 801                         $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 802                         my $t_mode = $1;
 803                         my $t_type = $2;
 804                         my $t_hash = $3;
 805                         my $t_name = $4;
 806                         if ($t_name eq $part) {
 807                                 if (!(@parts)) {
 808                                         return $t_hash;
 809                                 }
 810                                 if ($t_type eq "tree") {
 811                                         $tree = $t_hash;
 812                                 }
 813                                 last;
 814                         }
 815                 }
 816         }
 817 }
 818
 819 sub git_blob {
 820         if (!defined $hash && defined $file_name) {
 821                 my $base = $hash_base || git_read_hash("$project/HEAD");
 822                 $hash = git_get_hash_by_path($base, $file_name, "blob");
 823         }
 824         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" || die_error(undef, "Open failed.");
 825         my $base = $file_name || "";
 826         git_header_html();
 827         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
 828                 print "<div class=\"page_nav\">\n" .
 829                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
 830                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
 831                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree");
 832                 if (defined $file_name) {
 833                         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base;f=$file_name"}, "history");
 834                 }
 835                 print "<br/><br/>\n" .
 836                       "</div>\n";
 837                 print "<div>" .
 838                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) .
 839                       "</div>\n";
 840         } else {
 841                 print "<div class=\"page_nav\">\n" .
 842                       "<br/><br/></div>\n" .
 843                       "<div class=\"title\">$hash</div>\n";
 844         }
 845         if (defined $file_name) {
 846                 print "<div class=\"page_path\">/$file_name</div>\n";
 847         }
 848         print "<div class=\"page_body\">\n";
 849         my $nr;
 850         while (my $line = <$fd>) {
 851                 chomp $line;
 852                 $nr++;
 853                 print "<div class=\"pre\">";
 854                 printf "<span style=\"color:#999999;\">%4i</span>", $nr;
 855                 print " " .escapeHTML($line) . "</div>\n";
 856         }
 857         close $fd || print "Reading blob failed.\n";
 858         print "</div>";
 859         git_footer_html();
 860 }
 861
 862 sub git_tree {
 863         if (!defined $hash) {
 864                 $hash = git_read_hash("$project/HEAD");
 865                 if (defined $file_name) {
 866                         my $base = $hash_base || git_read_hash("$project/HEAD");
 867                         $hash = git_get_hash_by_path($base, $file_name, "tree");
 868                 }
 869         }
 870         if (!defined $hash_base) {
 871                 $hash_base = git_read_hash("$project/HEAD");
 872         }
 873         open my $fd, "-|", "$gitbin/git-ls-tree $hash" || die_error(undef, "Open git-ls-tree failed.");
 874         my (@entries) = map { chomp; $_ } <$fd>;
 875         close $fd || die_error(undef, "Reading tree failed.");
 876
 877         git_header_html();
 878         my $base_key = "";
 879         my $file_key = "";
 880         my $base = "";
 881         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
 882                 $base_key = ";hb=$hash_base";
 883                 print "<div class=\"page_nav\">\n" .
 884                       $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 885                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
 886                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
 887                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree") .
 888                       "<br/><br/>\n" .
 889                       "</div>\n";
 890                 print "<div>\n" .
 891                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
 892                       "</div>\n";
 893         } else {
 894                 print "<div class=\"page_nav\">\n";
 895                 print "<br/><br/></div>\n";
 896                 print "<div class=\"title\">$hash</div>\n";
 897         }
 898         if (defined $file_name) {
 899                 $base = "$file_name/";
 900                 print "<div class=\"page_path\">/$file_name</div>\n";
 901         } else {
 902                 print "<div class=\"page_path\">/</div>\n";
 903         }
 904         print "<div class=\"page_body\">\n";
 905         print "<table cellspacing=\"0\">\n";
 906         foreach my $line (@entries) {
 907                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 908                 $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 909                 my $t_mode = $1;
 910                 my $t_type = $2;
 911                 my $t_hash = $3;
 912                 my $t_name = $4;
 913                 $file_key = ";f=$base$t_name";
 914                 print "<tr>\n" .
 915                       "<td class=\"pre\">" . mode_str($t_mode) . "</td>\n";
 916                 if ($t_type eq "blob") {
 917                         print "<td class=\"pre\">$t_name</td>\n";
 918                         print "<td class=\"link\">" .
 919                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key}, "blob") .
 920                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base" . $file_key}, "history") .
 921                               "</td>\n";
 922                 } elsif ($t_type eq "tree") {
 923                         print "<td class=\"pre\">" .
 924                               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key}, $t_name) .
 925                               "</td>\n";
 926                 }
 927                 print "</tr>\n";
 928         }
 929         print "</table>\n" .
 930               "</div>";
 931         git_footer_html();
 932 }
 933
 934 sub git_rss {
 935         open my $fd, "-|", "$gitbin/git-rev-list --max-count=20 " . git_read_hash("$project/HEAD") || die_error(undef, "Open failed.");
 936         my (@revlist) = map { chomp; $_ } <$fd>;
 937         close $fd || die_error(undef, "Reading rev-list failed.");
 938
 939         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
 940         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
 941               "<rss version=\"0.91\">\n";
 942         print "<channel>\n";
 943         print "<title>$project</title>\n".
 944               "<link> $my_url/$project/log</link>\n".
 945               "<description>$project log</description>\n".
 946               "<language>en</language>\n";
 947
 948         foreach my $commit (@revlist) {
 949                 my %co = git_read_commit($commit);
 950                 my %ad = date_str($co{'author_epoch'});
 951                 print "<item>\n" .
 952                       "\t<title>" . sprintf("%d %s %02d:%02d", $ad{'mday'}, $ad{'month'}, $ad{'hour'}, $ad{'minute'}) . " - " . escapeHTML($co{'title'}) . "</title>\n" .
 953                       "\t<link> $my_url?p=$project;a=commit;h=$commit</link>\n" .
 954                       "\t<description>";
 955                 my $comment = $co{'comment'};
 956                 foreach my $line (@$comment) {
 957                         print escapeHTML($line) . "<br/>\n";
 958                 }
 959                 print "\t</description>\n" .
 960                       "</item>\n";
 961         }
 962         print "</channel></rss>";
 963 }
 964
 965 sub git_log {
 966         my $head = git_read_hash("$project/HEAD");
 967         my $limit_option = "";
 968         if (!defined $time_back) {
 969                 $limit_option = "--max-count=10";
 970         } elsif ($time_back > 0) {
 971                 my $date = time - $time_back*24*60*60;
 972                 $limit_option = "--max-age=$date";
 973         }
 974         open my $fd, "-|", "$gitbin/git-rev-list $limit_option $head" || die_error(undef, "Open failed.");
 975         my (@revlist) = map { chomp; $_ } <$fd>;
 976         close $fd || die_error(undef, "Reading rev-list failed.");
 977
 978         git_header_html();
 979         print "<div class=\"page_nav\">\n";
 980         print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "last 10") . " | " .
 981               $cgi->a({-href => "$my_uri?p=$project;a=log;t=1"}, "day") . " | " .
 982               $cgi->a({-href => "$my_uri?p=$project;a=log;t=7"}, "week") . " | " .
 983               $cgi->a({-href => "$my_uri?p=$project;a=log;t=31"}, "month") . " | " .
 984               $cgi->a({-href => "$my_uri?p=$project;a=log;t=365"}, "year") . " | " .
 985               $cgi->a({-href => "$my_uri?p=$project;a=log;t=0"}, "all") . "<br/>\n";
 986         print "<br/>\n" .
 987               "</div>\n";
 988
 989         if (!@revlist) {
 990                 my %co = git_read_commit($head);
 991                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
 992         }
 993
 994         foreach my $commit (@revlist) {
 995                 my %co = git_read_commit($commit);
 996                 next if !%co;
 997                 my %ad = date_str($co{'author_epoch'});
 998                 print "<div>\n" .
 999                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "title"},
1000                       "<span class=\"log_age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
1001                       "</div>\n";
1002                 print "<div class=\"title_text\">\n" .
1003                       "<div class=\"log_link\">\n" .
1004                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1005                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
1006                       "<br/>\n" .
1007                       "</div>\n" .
1008                       "<i>" . escapeHTML($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1009                       "</div>\n" .
1010                       "<div class=\"log_body\">\n";
1011                 my $comment = $co{'comment'};
1012                 my $empty = 0;
1013                 foreach my $line (@$comment) {
1014                         if ($line =~ m/^(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1015                                 next;
1016                         }
1017                         if ($line eq "") {
1018                                 if ($empty) {
1019                                         next;
1020                                 }
1021                                 $empty = 1;
1022                         } else {
1023                                 $empty = 0;
1024                         }
1025                         print escapeHTML($line) . "<br/>\n";
1026                 }
1027                 if (!$empty) {
1028                         print "<br/>\n";
1029                 }
1030                 print "</div>\n";
1031         }
1032         git_footer_html();
1033 }
1034
1035 sub git_commit {
1036         my %co = git_read_commit($hash);
1037         if (!%co) {
1038                 die_error(undef, "Unknown commit object.");
1039         }
1040         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1041         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1042
1043         my @difftree;
1044         if (defined $co{'parent'}) {
1045                 open my $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $hash" || die_error(undef, "Open failed.");
1046                 @difftree = map { chomp; $_ } <$fd>;
1047                 close $fd || die_error(undef, "Reading diff-tree failed.");
1048         } else {
1049                 # fake git-diff-tree output for initial revision
1050                 open my $fd, "-|", "$gitbin/git-ls-tree -r $hash" || die_error(undef, "Open failed.");
1051                 @difftree = map { chomp;  "+" . $_ } <$fd>;
1052                 close $fd || die_error(undef, "Reading ls-tree failed.");
1053         }
1054         git_header_html();
1055         print "<div class=\"page_nav\">\n" .
1056               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1057               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit");
1058         if (defined $co{'parent'}) {
1059                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff");
1060         }
1061         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") . "\n" .
1062               "<br/><br/></div>\n";
1063         if (defined $co{'parent'}) {
1064                 print "<div>\n" .
1065                       $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1066                       "</div>\n";
1067         } else {
1068                 print "<div>\n" .
1069                       $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1070                       "</div>\n";
1071         }
1072         print "<div class=\"title_text\">\n" .
1073               "<table cellspacing=\"0\">\n";
1074         print "<tr><td>author</td><td>" . escapeHTML($co{'author'}) . "</td></tr>\n".
1075               "<tr><td></td><td> $ad{'rfc2822'}";
1076         if ($ad{'hour_local'} < 6) {
1077                 printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1078         } else {
1079                 printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1080         }
1081         print "</td></tr>\n";
1082         print "<tr><td>committer</td><td>" . escapeHTML($co{'committer'}) . "</td></tr>\n";
1083         print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1084         print "<tr><td>commit</td><td style=\"font-family: monospace;\">$hash</td></tr>\n";
1085         print "<tr><td>tree</td><td style=\"font-family: monospace;\">" .
1086               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, $co{'tree'}) . "</td></tr>\n";
1087         my $parents  = $co{'parents'};
1088         foreach my $par (@$parents) {
1089                 print "<tr><td>parent</td><td style=\"font-family: monospace;\">" .
1090                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, $par) . "</td></tr>\n";
1091         }
1092         print "</table>".
1093               "</div>\n";
1094         print "<div class=\"page_body\">\n";
1095         my $comment = $co{'comment'};
1096         my $empty = 0;
1097         my $signed = 0;
1098         foreach my $line (@$comment) {
1099                 # print only one empty line
1100                 if ($line eq "") {
1101                         if ($empty || $signed) {
1102                                 next;
1103                         }
1104                         $empty = 1;
1105                 } else {
1106                         $empty = 0;
1107                 }
1108                 if ($line =~ m/^(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1109                         $signed = 1;
1110                         print "<span style=\"color: #888888\">" . escapeHTML($line) . "</span><br/>\n";
1111                 } else {
1112                         $signed = 0;
1113                         print escapeHTML($line) . "<br/>\n";
1114                 }
1115         }
1116         print "</div>\n";
1117         print "<div class=\"list_head\">\n";
1118         if ($#difftree > 10) {
1119                 print(($#difftree + 1) . " files changed:\n");
1120         }
1121         print "</div>\n";
1122         foreach my $line (@difftree) {
1123                 # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
1124                 # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
1125                 # '*100664->100644      blob    b1a8e3dd5556b61dd771d32307c6ee5d7150fa43->b1a8e3dd5556b61dd771d32307c6ee5d7150fa43      show-files.c'
1126                 # '*100664->100644      blob    d08e895238bac36d8220586fdc28c27e1a7a76d3->d08e895238bac36d8220586fdc28c27e1a7a76d3      update-cache.c'
1127                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
1128                 my $op = $1;
1129                 my $mode = $2;
1130                 my $type = $3;
1131                 my $id = $4;
1132                 my $file = $5;
1133                 if ($type eq "blob") {
1134                         if ($op eq "+") {
1135                                 my $mode_chng = "";
1136                                 if (S_ISREG(oct $mode)) {
1137                                         $mode_chng = sprintf(" with mode: %04o", (oct $mode) & 0777);
1138                                 }
1139                                 print "<div class=\"list\">\n" .
1140                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"},
1141                                       escapeHTML($file) . " <span style=\"color: #008000;\">[new " . file_type($mode) . "$mode_chng]</span>") . "\n" .
1142                                       "</div>\n";
1143                                 print "<div class=\"list_link\">\n" .
1144                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, "blob") . "\n" .
1145                                       "</div>\n";
1146                         } elsif ($op eq "-") {
1147                                 print "<div class=\"list\">\n" .
1148                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"},
1149                                       escapeHTML($file) .  " <span style=\"color: #c00000;\">[deleted " . file_type($mode) . "]</span>") . "\n" .
1150                                       "</div>";
1151                                 print "<div class=\"list_link\">\n" .
1152                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, "blob") . " | " .
1153                                       $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n" .
1154                                       "</div>\n";
1155                         } elsif ($op eq "*") {
1156                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
1157                                 my $from_id = $1;
1158                                 my $to_id = $2;
1159                                 $mode =~ m/^([0-7]{6})->([0-7]{6})$/;
1160                                 my $from_mode = $1;
1161                                 my $to_mode = $2;
1162                                 my $mode_chnge = "";
1163                                 if ($from_mode != $to_mode) {
1164                                         $mode_chnge = " <span style=\"color: #777777;\">[changed";
1165                                         if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
1166                                                 $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
1167                                         }
1168                                         if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
1169                                                 if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
1170                                                         $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
1171                                                 } elsif (S_ISREG($to_mode)) {
1172                                                         $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
1173                                                 }
1174                                         }
1175                                         $mode_chnge .= "]</span>\n";
1176                                 }
1177                                 print "<div class=\"list\">\n";
1178                                 if ($to_id ne $from_id) {
1179                                         print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"},
1180                                               escapeHTML($file) . $mode_chnge) . "\n" .
1181                                               "</div>\n";
1182                                 } else {
1183                                         print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"},
1184                                               escapeHTML($file) . $mode_chnge) . "\n" .
1185                                               "</div>\n";
1186                                 }
1187                                 print "<div class=\"list_link\">\n";
1188                                 if ($to_id ne $from_id) {
1189                                         print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"}, "diff") . " | ";
1190                                 }
1191                                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "blob") . " | " .
1192                                       $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n" .
1193                                       "</div>\n";
1194                         }
1195                 }
1196         }
1197         git_footer_html();
1198 }
1199
1200 sub git_blobdiff {
1201         mkdir($gittmp, 0700);
1202         git_header_html();
1203         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1204                 print "<div class=\"page_nav\">\n" .
1205                       $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1206                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1207                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1208                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree");
1209                         if (defined $file_name) {
1210                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base;f=$file_name"}, "history");
1211                         }
1212                 print "<br/><br/>\n" .
1213                       "</div>\n";
1214                 print "<div>\n" .
1215                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1216                       "</div>\n";
1217         } else {
1218                 print "<div class=\"page_nav\">\n" .
1219                       "<br/><br/></div>\n" .
1220                       "<div class=\"title\">$hash vs $hash_parent</div>\n";
1221         }
1222         if (defined $file_name) {
1223                 print "<div class=\"page_path\">\n" .
1224                       "/$file_name\n" .
1225                       "</div>\n";
1226         }
1227         print "<div class=\"page_body\">\n" .
1228               "<div class=\"diff_info\">blob:" .
1229               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name"}, $hash_parent) .
1230               " -> blob:" .
1231               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name"}, $hash) .
1232               "</div>\n";
1233         git_diff_html($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
1234         print "</div>";
1235         git_footer_html();
1236 }
1237
1238 sub git_commitdiff {
1239         mkdir($gittmp, 0700);
1240         my %co = git_read_commit($hash);
1241         if (!%co) {
1242                 die_error(undef, "Unknown commit object.");
1243         }
1244         open my $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $hash" || die_error(undef, "Open failed.");
1245         my (@difftree) = map { chomp; $_ } <$fd>;
1246         close $fd || die_error(undef, "Reading diff-tree failed.");
1247
1248         git_header_html();
1249         print "<div class=\"page_nav\">\n" .
1250               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1251               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1252               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
1253               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" .  $co{'tree'} . ";hb=$hash"}, "tree") .
1254               "<br/><br/></div>\n";
1255         print "<div>\n" .
1256               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1257               "</div>\n";
1258         print "<div class=\"page_body\">\n";
1259         foreach my $line (@difftree) {
1260                 # '*100644->100644      blob    8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154      Makefile'
1261                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
1262                 my $op = $1;
1263                 my $mode = $2;
1264                 my $type = $3;
1265                 my $id = $4;
1266                 my $file = $5;
1267                 if ($type eq "blob") {
1268                         if ($op eq "+") {
1269                                 print "<div class=\"diff_info\">" .  file_type($mode) . ":" .
1270                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, $id) . "(new)" .
1271                                       "</div>\n";
1272                                 git_diff_html(undef, "/dev/null", $id, "b/$file");
1273                         } elsif ($op eq "-") {
1274                                 print "<div class=\"diff_info\">" . file_type($mode) . ":" .
1275                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, $id) . "(deleted)" .
1276                                       "</div>\n";
1277                                 git_diff_html($id, "a/$file", undef, "/dev/null");
1278                         } elsif ($op eq "*") {
1279                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
1280                                 my $from_id = $1;
1281                                 my $to_id = $2;
1282                                 $mode =~ m/([0-7]+)->([0-7]+)/;
1283                                 my $from_mode = $1;
1284                                 my $to_mode = $2;
1285                                 if ($from_id ne $to_id) {
1286                                         print "<div class=\"diff_info\">" .
1287                                               file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) .
1288                                               " -> " .
1289                                               file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id);
1290                                         print "</div>\n";
1291                                         git_diff_html($from_id, "a/$file",  $to_id, "b/$file");
1292                                 }
1293                         }
1294                 }
1295         }
1296         print "<br/>\n" .
1297               "</div>";
1298         git_footer_html();
1299 }
1300
1301 sub git_history {
1302         if (!defined $hash) {
1303                 $hash = git_read_hash("$project/HEAD");
1304         }
1305         my %co = git_read_commit($hash);
1306         if (!%co) {
1307                 die_error(undef, "Unknown commit object.");
1308         }
1309         git_header_html();
1310         print "<div class=\"page_nav\">\n" .
1311               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | " .
1312               $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") . " | " .
1313               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
1314               "<br/><br/>\n" .
1315               "</div>\n";
1316         print "<div>\n" .
1317               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1318               "</div>\n";
1319         print "<div class=\"page_path\">\n" .
1320               "/$file_name<br/>\n";
1321         print "</div>\n";
1322         open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin $file_name";
1323         my $commit;
1324         while (my $line = <$fd>) {
1325                 if ($line =~ m/^([0-9a-fA-F]{40}) /){
1326                         $commit = $1;
1327                         next;
1328                 }
1329                 if ($line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/ && (defined $commit)) {
1330                         my $type = $3;
1331                         my $file = $5;
1332                         if ($file ne $file_name || $type ne "blob") {
1333                                 next;
1334                         }
1335                         my %co = git_read_commit($commit);
1336                         if (!%co) {
1337                                 next;
1338                         }
1339                         print "<div class=\"list\">\n" .
1340                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"},
1341                               "<span class=\"log_age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
1342                               "</div>\n";
1343                         print "<div class=\"list_link\">\n" .
1344                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1345                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" .  $co{'tree'} . ";hb=$commit"}, "tree") .
1346                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=blob;hb=$commit;f=$file"}, "blob");
1347                         my $blob = git_get_hash_by_path($hash, $file_name);
1348                         my $blob_parent = git_get_hash_by_path($commit, $file_name);
1349                         if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
1350                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file"}, "diff");
1351                         }
1352                         print "<br/>\n" .
1353                               "</div>\n";
1354                         undef $commit;
1355                 }
1356         }
1357         close $fd;
1358         git_footer_html();
1359 }