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::Util qw(unescape);
  14 use CGI::Carp qw(fatalsToBrowser);
  15 use Fcntl ':mode';
  16
  17 my $cgi = new CGI;
  18 my $version =           "148";
  19 my $my_url =            $cgi->url();
  20 my $my_uri =            $cgi->url(-absolute => 1);
  21 my $rss_link = "";
  22
  23 # absolute fs-path which will be prepended to the project path
  24 my $projectroot =       "/pub/scm";
  25
  26 # location of the git-core binaries
  27 my $gitbin =            "/usr/bin";
  28
  29 # location for temporary files needed for diffs
  30 my $gittmp =            "/tmp/gitweb";
  31
  32 # target of the home link on top of all pages
  33 my $home_link =         $my_uri;
  34
  35 # html text to include at home page
  36 my $home_text =         "indextext.html";
  37
  38 # source of projects list
  39 #my $projects_list = $projectroot;
  40 my $projects_list = "index/index.aux";
  41
  42 # input validation and dispatch
  43 my $action = $cgi->param('a');
  44 if (defined $action) {
  45         if ($action =~ m/[^0-9a-zA-Z\.\-]+/) {
  46                 undef $action;
  47                 die_error(undef, "Invalid action parameter.");
  48         }
  49         if ($action eq "git-logo.png") {
  50                 git_logo();
  51                 exit;
  52         }
  53 } else {
  54         $action = "summary";
  55 }
  56
  57 my $project = $cgi->param('p');
  58 if (defined $project) {
  59         if ($project =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
  60                 undef $project;
  61                 die_error(undef, "Non-canonical project parameter.");
  62         }
  63         if ($project =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~]/) {
  64                 undef $project;
  65                 die_error(undef, "Invalid character in project parameter.");
  66         }
  67         if (!(-d "$projectroot/$project")) {
  68                 undef $project;
  69                 die_error(undef, "No such directory.");
  70         }
  71         if (!(-e "$projectroot/$project/HEAD")) {
  72                 undef $project;
  73                 die_error(undef, "No such project.");
  74         }
  75         $rss_link = "<link rel=\"alternate\" title=\"$project log\" href=\"$my_uri?p=$project;a=rss\" type=\"application/rss+xml\"/>";
  76         $ENV{'GIT_OBJECT_DIRECTORY'} = "$projectroot/$project/objects";
  77         $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects";
  78 } else {
  79         git_project_list();
  80         exit;
  81 }
  82
  83 my $file_name = $cgi->param('f');
  84 if (defined $file_name) {
  85         if ($file_name =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
  86                 undef $file_name;
  87                 die_error(undef, "Non-canonical file parameter.");
  88         }
  89         if ($file_name =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~\:\!]/) {
  90                 undef $file_name;
  91                 die_error(undef, "Invalid character in file parameter.");
  92         }
  93 }
  94
  95 my $hash = $cgi->param('h');
  96 if (defined $hash && !($hash =~ m/^[0-9a-fA-F]{40}$/)) {
  97         undef $hash;
  98         die_error(undef, "Invalid hash parameter.");
  99 }
 100
 101 my $hash_parent = $cgi->param('hp');
 102 if (defined $hash_parent && !($hash_parent =~ m/^[0-9a-fA-F]{40}$/)) {
 103         undef $hash_parent;
 104         die_error(undef, "Invalid hash_parent parameter.");
 105 }
 106
 107 my $hash_base = $cgi->param('hb');
 108 if (defined $hash_base && !($hash_base =~ m/^[0-9a-fA-F]{40}$/)) {
 109         undef $hash_base;
 110         die_error(undef, "Invalid parent hash parameter.");
 111 }
 112
 113 my $time_back = $cgi->param('t');
 114 if (defined $time_back) {
 115         if ($time_back =~ m/^[^0-9]+$/) {
 116                 undef $time_back;
 117                 die_error(undef, "Invalid time parameter.");
 118         }
 119 }
 120
 121 if ($action eq "summary") {
 122         git_summary();
 123         exit;
 124 } elsif ($action eq "tags") {
 125         git_tags();
 126         exit;
 127 } elsif ($action eq "blob") {
 128         git_blob();
 129         exit;
 130 } elsif ($action eq "tree") {
 131         git_tree();
 132         exit;
 133 } elsif ($action eq "rss") {
 134         git_rss();
 135         exit;
 136 } elsif ($action eq "commit") {
 137         git_commit();
 138         exit;
 139 } elsif ($action eq "log") {
 140         git_log();
 141         exit;
 142 } elsif ($action eq "blobdiff") {
 143         git_blobdiff();
 144         exit;
 145 } elsif ($action eq "commitdiff") {
 146         git_commitdiff();
 147         exit;
 148 } elsif ($action eq "history") {
 149         git_history();
 150         exit;
 151 } else {
 152         undef $action;
 153         die_error(undef, "Unknown action.");
 154         exit;
 155 }
 156
 157 sub git_header_html {
 158         my $status = shift || "200 OK";
 159
 160         my $title = "git";
 161         if (defined $project) {
 162                 $title .= " - $project";
 163                 if (defined $action) {
 164                         $title .= "/$action";
 165                 }
 166         }
 167         print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status);
 168         print <<EOF;
 169 <?xml version="1.0" encoding="utf-8"?>
 170 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 171 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 172 <!-- git web interface v$version, (C) 2005, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke <ch\@gierke.de> -->
 173 <head>
 174 <title>$title</title>
 175 $rss_link
 176 <style type="text/css">
 177 body { font-family: sans-serif; font-size: 12px; margin:0px; border:solid #d9d8d1; border-width:1px; margin:10px; }
 178 a { color:#0000cc; }
 179 a:hover, a:visited, a:active { color:#880000; }
 180 div.page_header { height:25px; padding:8px; font-size:18px; font-weight:bold; background-color:#d9d8d1; }
 181 div.page_header a:visited { color:#0000cc; }
 182 div.page_header a:hover { color:#880000; }
 183 div.page_nav { padding:8px; }
 184 div.page_nav a:visited { color:#0000cc; }
 185 div.page_path { font-weight:bold; padding:8px; border:solid #d9d8d1; border-width:0px 0px 1px}
 186 div.page_footer { height:17px; padding:4px 8px; background-color: #d9d8d1; }
 187 div.page_footer_text { float:left; color:#555555; font-style:italic; }
 188 div.page_body { padding:8px; }
 189 div.title, a.title {
 190         display:block; padding:6px 8px;
 191         font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
 192 }
 193 a.title:hover { background-color: #d9d8d1; }
 194 div.title_text { padding:6px 8px; border: solid #d9d8d1; border-width:0px 0px 1px; }
 195 div.log_body { padding:8px 8px 8px 150px; }
 196 span.log_age { position:relative; float:left; width:142px; font-style:italic; }
 197 div.log_link {
 198         font-size:10px; font-family:sans-serif; font-style:normal;
 199         position:relative; float:left; width:142px;
 200 }
 201 div.list { display:block; padding:4px 8px 2px; }
 202 div.list_head {
 203         display:block; padding:6px 6px 4px; border:solid #d9d8d1;
 204         border-width:0px 0px 1px; font-style:italic;
 205 }
 206 div.list a { text-decoration:none; color:#000000; }
 207 div.list a:hover { color:#880000; }
 208 div.list_link {
 209         padding:4px 8px 6px; border:solid #d9d8d1; border-width:0px 0px 1px;
 210         font-family:sans-serif; font-size:10px;
 211 }
 212 td { padding:5px 15px 0px 0px; font-size:12px; }
 213 th { padding-right:10px; font-size:12px; text-align:left; }
 214 td.link { font-family:sans-serif; font-size:10px; }
 215 td.pre { font-family:monospace; font-size:12px; white-space:pre; padding:2px 15px 0px 0px; }
 216 div.pre { font-family:monospace; font-size:12px; white-space:pre; }
 217 div.diff_info { font-family:monospace; color:#000099; background-color:#edece6; font-style:italic; }
 218 div.index_include { border:solid #d9d8d1; border-width:0px 0px 1px; padding:12px 8px; }
 219 a.rss_logo { float:right; padding:3px 0px; width:35px; line-height:10px;
 220         border:1px solid; border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e;
 221         color:#ffffff; background-color:#ff6600;
 222         font-weight:bold; font-family:sans-serif; font-size:10px;
 223         text-align:center; text-decoration:none;
 224 }
 225 a.rss_logo:hover { background-color:#ee5500; }
 226 </style>
 227 </head>
 228 <body>
 229 EOF
 230         print "<div class=\"page_header\">\n" .
 231               "<a href=\"http://kernel.org/pub/software/scm/git/docs/\">" .
 232               "<img src=\"$my_uri?a=git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
 233         print $cgi->a({-href => $home_link}, "projects") . " / ";
 234         if (defined $project) {
 235                 print $cgi->a({-href => "$my_uri?p=$project;a=summary"}, escapeHTML($project));
 236                 if (defined $action) {
 237                         print " / $action";
 238                 }
 239         }
 240         print "</div>\n";
 241 }
 242
 243 sub git_footer_html {
 244         print "<div class=\"page_footer\">\n";
 245         if (defined $project) {
 246                 my $descr = git_read_description($project);
 247                 if (defined $descr) {
 248                         print "<div class=\"page_footer_text\">" . escapeHTML($descr) . "</div>\n";
 249                 }
 250                 print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "rss_logo"}, "RSS") . "\n";
 251         }
 252         print "</div>\n" .
 253               "</body>\n" .
 254               "</html>";
 255 }
 256
 257 sub die_error {
 258         my $status = shift || "403 Forbidden";
 259         my $error = shift || "Malformed query, file missing or permission denied";
 260
 261         git_header_html($status);
 262         print "<div class=\"page_body\">\n" .
 263               "<br/><br/>\n";
 264         print "$status - $error\n";
 265         print "<br/></div>\n";
 266         git_footer_html();
 267         exit;
 268 }
 269
 270 sub git_get_type {
 271         my $hash = shift;
 272
 273         open my $fd, "-|", "$gitbin/git-cat-file -t $hash" || return;
 274         my $type = <$fd>;
 275         close $fd;
 276         chomp $type;
 277         return $type;
 278 }
 279
 280 sub git_read_hash {
 281         my $path = shift;
 282
 283         open my $fd, "$projectroot/$path" || return undef;
 284         my $head = <$fd>;
 285         close $fd;
 286         chomp $head;
 287         if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 288                 return $head;
 289         }
 290 }
 291
 292 sub git_read_description {
 293         my $path = shift;
 294
 295         open my $fd, "$projectroot/$path/description" || return undef;
 296         my $descr = <$fd>;
 297         close $fd;
 298         chomp $descr;
 299         return $descr;
 300 }
 301
 302 sub git_read_tag {
 303         my $tag_id = shift;
 304         my %tag;
 305
 306         open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" || return;
 307         while (my $line = <$fd>) {
 308                 chomp $line;
 309                 if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 310                         $tag{'object'} = $1;
 311                 } elsif ($line =~ m/^type (.*)$/) {
 312                         $tag{'type'} = $1;
 313                 } elsif ($line =~ m/^tag (.*)$/) {
 314                         $tag{'name'} = $1;
 315                 }
 316         }
 317         close $fd || return;
 318         if (!defined $tag{'name'}) {
 319                 return
 320         };
 321         return %tag
 322 }
 323
 324 sub git_read_commit {
 325         my $commit = shift;
 326         my %co;
 327         my @parents;
 328
 329         open my $fd, "-|", "$gitbin/git-cat-file commit $commit" || return;
 330         while (my $line = <$fd>) {
 331                 last if $line eq "\n";
 332                 chomp $line;
 333                 if ($line =~ m/^tree (.*)$/) {
 334                         $co{'tree'} = $1;
 335                 } elsif ($line =~ m/^parent (.*)$/) {
 336                         push @parents, $1;
 337                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 338                         $co{'author'} = $1;
 339                         $co{'author_epoch'} = $2;
 340                         $co{'author_tz'} = $3;
 341                         $co{'author_name'} = $co{'author'};
 342                         $co{'author_name'} =~ s/ <.*//;
 343                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 344                         $co{'committer'} = $1;
 345                         $co{'committer_epoch'} = $2;
 346                         $co{'committer_tz'} = $3;
 347                         $co{'committer_name'} = $co{'committer'};
 348                         $co{'committer_name'} =~ s/ <.*//;
 349                 }
 350         }
 351         if (!defined $co{'tree'}) {
 352                 close $fd;
 353                 return undef
 354         };
 355         $co{'parents'} = \@parents;
 356         $co{'parent'} = $parents[0];
 357         my (@comment) = map { chomp; $_ } <$fd>;
 358         $co{'comment'} = \@comment;
 359         $comment[0] =~ m/^(.{0,60}[^ ]*)/;
 360         $co{'title'} = $1;
 361         if ($comment[0] ne $co{'title'}) {
 362                 $co{'title'} .= " ...";
 363         }
 364         close $fd || return;
 365
 366         my $age = time - $co{'committer_epoch'};
 367         $co{'age'} = $age;
 368         if ($age > 60*60*24*365*2) {
 369                 $co{'age_string'} = (int $age/60/60/24/365);
 370                 $co{'age_string'} .= " years ago";
 371         } elsif ($age > 60*60*24*(365/12)*2) {
 372                 $co{'age_string'} = int $age/60/60/24/(365/12);
 373                 $co{'age_string'} .= " months ago";
 374         } elsif ($age > 60*60*24*7*2) {
 375                 $co{'age_string'} = int $age/60/60/24/7;
 376                 $co{'age_string'} .= " weeks ago";
 377         } elsif ($age > 60*60*24*2) {
 378                 $co{'age_string'} = int $age/60/60/24;
 379                 $co{'age_string'} .= " days ago";
 380         } elsif ($age > 60*60*2) {
 381                 $co{'age_string'} = int $age/60/60;
 382                 $co{'age_string'} .= " hours ago";
 383         } elsif ($age > 60*2) {
 384                 $co{'age_string'} = int $age/60;
 385                 $co{'age_string'} .= " minutes ago";
 386         } elsif ($age > 2) {
 387                 $co{'age_string'} = int $age;
 388                 $co{'age_string'} .= " seconds ago";
 389         } else {
 390                 $co{'age_string'} .= " right now";
 391         }
 392         return %co;
 393 }
 394
 395 sub git_diff_html {
 396         my $from = shift;
 397         my $from_name = shift;
 398         my $to = shift;
 399         my $to_name = shift;
 400
 401         my $from_tmp = "/dev/null";
 402         my $to_tmp = "/dev/null";
 403         my $pid = $$;
 404
 405         # create tmp from-file
 406         if (defined $from) {
 407                 $from_tmp = "$gittmp/gitweb_" . $$ . "_from";
 408                 open my $fd2, "> $from_tmp";
 409                 open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 410                 my @file = <$fd>;
 411                 print $fd2 @file;
 412                 close $fd2;
 413                 close $fd;
 414         }
 415
 416         # create tmp to-file
 417         if (defined $to) {
 418                 $to_tmp = "$gittmp/gitweb_" . $$ . "_to";
 419                 open my $fd2, "> $to_tmp";
 420                 open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 421                 my @file = <$fd>;
 422                 print $fd2 @file;
 423                 close $fd2;
 424                 close $fd;
 425         }
 426
 427         open my $fd, "-|", "/usr/bin/diff -u -p -L $from_name -L $to_name $from_tmp $to_tmp";
 428         while (my $line = <$fd>) {
 429                 chomp($line);
 430                 my $char = substr($line, 0, 1);
 431                 my $color = "";
 432                 if ($char eq '+') {
 433                         $color = " style=\"color:#008800;\"";
 434                 } elsif ($char eq '-') {
 435                         $color = " style=\"color:#cc0000;\"";
 436                 } elsif ($char eq '@') {
 437                         $color = " style=\"color:#990099;\"";
 438                 } elsif ($char eq '\\') {
 439                         # skip errors
 440                         next;
 441                 }
 442                 print "<div class=\"pre\"$color>" . escapeHTML($line) . "</div>\n";
 443         }
 444         close $fd;
 445
 446         if (defined $from) {
 447                 unlink($from_tmp);
 448         }
 449         if (defined $to) {
 450                 unlink($to_tmp);
 451         }
 452 }
 453
 454 sub mode_str {
 455         my $mode = oct shift;
 456
 457         if (S_ISDIR($mode & S_IFMT)) {
 458                 return 'drwxr-xr-x';
 459         } elsif (S_ISLNK($mode)) {
 460                 return 'lrwxrwxrwx';
 461         } elsif (S_ISREG($mode)) {
 462                 # git cares only about the executable bit
 463                 if ($mode & S_IXUSR) {
 464                         return '-rwxr-xr-x';
 465                 } else {
 466                         return '-rw-r--r--';
 467                 };
 468         } else {
 469                 return '----------';
 470         }
 471 }
 472
 473 sub file_type {
 474         my $mode = oct shift;
 475
 476         if (S_ISDIR($mode & S_IFMT)) {
 477                 return "directory";
 478         } elsif (S_ISLNK($mode)) {
 479                 return "symlink";
 480         } elsif (S_ISREG($mode)) {
 481                 return "file";
 482         } else {
 483                 return "unknown";
 484         }
 485 }
 486
 487 sub date_str {
 488         my $epoch = shift;
 489         my $tz = shift || "-0000";
 490
 491         my %date;
 492         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 493         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 494         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 495         $date{'hour'} = $hour;
 496         $date{'minute'} = $min;
 497         $date{'mday'} = $mday;
 498         $date{'day'} = $days[$wday];
 499         $date{'month'} = $months[$mon];
 500         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 501         $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 502
 503         $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 504         my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 505         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 506         $date{'hour_local'} = $hour;
 507         $date{'minute_local'} = $min;
 508         $date{'tz_local'} = $tz;
 509         return %date;
 510 }
 511
 512 # git-logo (cached in browser for one day)
 513 sub git_logo {
 514         print $cgi->header(-type => 'image/png', -expires => '+1d');
 515         # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 516         print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 517                 "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 518                 "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 519                 "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 520                 "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 521                 "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 522                 "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 523                 "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 524                 "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 525                 "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 526                 "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 527                 "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 528                 "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 529 }
 530
 531 sub get_file_owner {
 532         my $path = shift;
 533
 534         my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 535         my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 536         if (!defined $gcos) {
 537                 return undef;
 538         }
 539         my $owner = $gcos;
 540         $owner =~ s/[,;].*$//;
 541         return $owner;
 542 }
 543
 544 sub git_project_list {
 545         my @list;
 546
 547         if (-d $projects_list) {
 548                 # search in directory
 549                 my $dir = $projects_list;
 550                 opendir my $dh, $dir || return undef;
 551                 while (my $dir = readdir($dh)) {
 552                         if (-e "$projectroot/$dir/HEAD") {
 553                                 my $pr = {
 554                                         path => $dir,
 555                                 };
 556                                 push @list, $pr
 557                         }
 558                 }
 559                 closedir($dh);
 560         } elsif (-f $projects_list) {
 561                 # read from file:
 562                 # 'git/git.git:Linus Torvalds'
 563                 # 'linux/hotplug/udev.git'
 564                 open my $fd , $projects_list || return undef;
 565                 while (my $line = <$fd>) {
 566                         chomp $line;
 567                         my ($path, $owner) = split ' ', $line;
 568                         $path = unescape($path);
 569                         $owner = unescape($owner);
 570                         if (!defined $path) {
 571                                 next;
 572                         }
 573                         if (-e "$projectroot/$path/HEAD") {
 574                                 my $pr = {
 575                                         path => $path,
 576                                         owner => $owner,
 577                                 };
 578                                 push @list, $pr
 579                         }
 580                 }
 581                 close $fd;
 582         }
 583
 584         if (!@list) {
 585                 die_error(undef, "No project found.");
 586         }
 587         @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 588
 589         git_header_html();
 590         if (-f $home_text) {
 591                 print "<div class=\"index_include\">\n";
 592                 open (my $fd, $home_text);
 593                 print <$fd>;
 594                 close $fd;
 595                 print "</div>\n";
 596         }
 597         print "<div class=\"page_body\"><br/>\n" .
 598               "<table cellspacing=\"0\">\n" .
 599               "<tr>\n" .
 600               "<th>Project</th>\n" .
 601               "<th>Description</th>\n" .
 602               "<th>Owner</th>\n" .
 603               "<th>last change</th>\n" .
 604               "<th></th>\n" .
 605               "</tr>\n";
 606         foreach my $pr (@list) {
 607                 my %proj = %$pr;
 608                 my $head = git_read_hash("$proj{'path'}/HEAD");
 609                 if (!defined $head) {
 610                         next;
 611                 }
 612                 $ENV{'GIT_OBJECT_DIRECTORY'} = "$projectroot/$proj{'path'}/objects";
 613                 $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$proj{'path'}/objects";
 614                 my %co = git_read_commit($head);
 615                 if (!%co) {
 616                         next;
 617                 }
 618                 my $descr = git_read_description($proj{'path'}) || "";
 619                 # get directory owner if not already specified
 620                 if (!defined $proj{'owner'}) {
 621                         $proj{'owner'} = get_file_owner("$projectroot/$proj{'path'}") || "";
 622                 }
 623                 print "<tr>\n" .
 624                       "<td>" . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=summary"}, escapeHTML($proj{'path'})) . "</td>\n" .
 625                       "<td>$descr</td>\n" .
 626                       "<td><i>$proj{'owner'}</i></td>\n";
 627                 my $colored_age;
 628                 if ($co{'age'} < 60*60*2) {
 629                         $colored_age = "<span style =\"color: #009900;\"><b><i>$co{'age_string'}</i></b></span>";
 630                 } elsif ($co{'age'} < 60*60*24*2) {
 631                         $colored_age = "<span style =\"color: #009900;\"><i>$co{'age_string'}</i></span>";
 632                 } else {
 633                         $colored_age = "<i>$co{'age_string'}</i>";
 634                 }
 635                 print "<td>$colored_age</td>\n" .
 636                       "<td class=\"link\">" .
 637                       $cgi->a({-href => "$my_uri?p=$proj{'path'};a=summary"}, "summary") .
 638                       " | " . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=log"}, "log") .
 639                       " | " . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=tree"}, "tree") .
 640                       "</td>\n" .
 641                       "</tr>\n";
 642         }
 643         print "</table>\n" .
 644               "<br/>\n" .
 645               "</div>\n";
 646         git_footer_html();
 647 }
 648
 649 sub git_read_tags {
 650         my @taglist;
 651
 652         opendir my $dh, "$projectroot/$project/refs/tags";
 653         my @tags = grep !m/^\./, readdir $dh;
 654         closedir($dh);
 655         foreach my $tag_file (@tags) {
 656                 my $tag_id = git_read_hash("$project/refs/tags/$tag_file");
 657                 my $type = git_get_type($tag_id) || next;
 658                 my %tag_item;
 659                 my %co;
 660                 if ($type eq "tag") {
 661                         my %tag = git_read_tag($tag_id);
 662                         if ($tag{'type'} eq "commit") {
 663                                 %co = git_read_commit($tag{'object'});
 664                         }
 665                         $tag_item{'type'} = $tag{'type'};
 666                         $tag_item{'name'} = $tag{'name'};
 667                         $tag_item{'id'} = $tag{'object'};
 668                 } elsif ($type eq "commit"){
 669                         %co = git_read_commit($tag_id);
 670                         $tag_item{'type'} = "commit";
 671                         $tag_item{'name'} = $tag_file;
 672                         $tag_item{'id'} = $tag_id;
 673                 }
 674                 $tag_item{'epoch'} = $co{'author_epoch'} || 0;
 675                 $tag_item{'age'} = $co{'age_string'} || "unknown";
 676
 677                 push @taglist, \%tag_item;
 678         }
 679         # sort tags by age
 680         @taglist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @taglist;
 681         return \@taglist;
 682 }
 683
 684 sub git_summary {
 685         my $descr = git_read_description($project) || "none";
 686         my $head = git_read_hash("$project/HEAD");
 687         $ENV{'GIT_OBJECT_DIRECTORY'} = "$projectroot/$project/objects";
 688         $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects";
 689         my %co = git_read_commit($head);
 690         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 691
 692         my $owner;
 693         if (-f $projects_list) {
 694                 open (my $fd , $projects_list);
 695                 while (my $line = <$fd>) {
 696                         chomp $line;
 697                         my ($pr, $ow) = split ' ', $line;
 698                         $pr = unescape($pr);
 699                         $ow = unescape($ow);
 700                         if ($pr eq $project) {
 701                                 $owner = $ow;
 702                                 last;
 703                         }
 704                 }
 705                 close $fd;
 706         }
 707         if (!defined $owner) {
 708                 $owner = get_file_owner("$projectroot/$project");
 709         }
 710
 711         git_header_html();
 712         print "<div class=\"page_nav\">\n" .
 713               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 714               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
 715               "<br/><br/>\n" .
 716               "</div>\n";
 717         print "<div class=\"title\">project</div>\n";
 718         print "<div class=\"page_body\">\n" .
 719               "<table cellspacing=\"0\">\n" .
 720               "<tr><td>description</td><td>" . escapeHTML($descr) . "</td></tr>\n" .
 721               "<tr><td>owner</td><td>$owner</td></tr>\n" .
 722               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
 723               "</table>\n" .
 724               "<br/></div>\n";
 725         open my $fd, "-|", "$gitbin/git-rev-list --max-count=11 " . git_read_hash("$project/HEAD") || die_error(undef, "Open failed.");
 726         my (@revlist) = map { chomp; $_ } <$fd>;
 727         close $fd;
 728         print "<div>\n" .
 729               $cgi->a({-href => "$my_uri?p=$project;a=log", -class => "title"}, "recent commits") .
 730               "</div>\n";
 731         my $i = 10;
 732         foreach my $commit (@revlist) {
 733                 my %co = git_read_commit($commit);
 734                 my %ad = date_str($co{'author_epoch'});
 735                 print "<div class=\"list\">\n" .
 736                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"},
 737                       "<span class=\"log_age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
 738                       "</div>\n";
 739                 if (--$i == 0) {
 740                         print "<div class=\"list\">" . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "...") . "</div>\n";
 741                         last;
 742                 }
 743         }
 744         print "<div class=\"list\"><br/></div>\n";
 745
 746         my $taglist = git_read_tags();
 747         if (defined @$taglist) {
 748                 print "<div>\n" .
 749                       $cgi->a({-href => "$my_uri?p=$project;a=tags", -class => "title"}, "recent tags") .
 750                       "</div>\n";
 751                 my $i = 10;
 752                 foreach my $entry (@$taglist) {
 753                         my %tag = %$entry;
 754                         print "<div class=\"list\">\n" .
 755                               $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}"},
 756                               "<span class=\"log_age\">$tag{'age'}</span>" .  escapeHTML($tag{'name'})) . "\n" .
 757                               "</div>\n";
 758                         if (--$i == 0) {
 759                                 print "<div class=\"list\">" . $cgi->a({-href => "$my_uri?p=$project;a=tags"}, "...") . "</div>\n";
 760                                 last;
 761                         }
 762                 }
 763                 print "<div class=\"list\"><br/></div>\n";
 764         }
 765         git_footer_html();
 766 }
 767
 768 sub git_tags {
 769         my $head = git_read_hash("$project/HEAD");
 770         git_header_html();
 771         print "<div class=\"page_nav\">\n" .
 772               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 773               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
 774               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
 775               "<br/><br/>\n" .
 776               "</div>\n";
 777         my $taglist = git_read_tags();
 778         print "<div>\n" .
 779               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "tags") .
 780               "</div>\n";
 781         if (defined @$taglist) {
 782                 foreach my $entry (@$taglist) {
 783                         my %tag = %$entry;
 784                         print "<div class=\"list\">\n" .
 785                               $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}"},
 786                               "<span class=\"log_age\">$tag{'age'}</span>" .  escapeHTML($tag{'name'})) . "\n" .
 787                               "</div>\n";
 788                 }
 789         }
 790         print "<div class=\"list\"><br/></div>\n";
 791         git_footer_html();
 792 }
 793
 794 sub git_get_hash_by_path {
 795         my $base = shift;
 796         my $path = shift;
 797
 798         my $tree = $base;
 799         my @parts = split '/', $path;
 800         while (my $part = shift @parts) {
 801                 open my $fd, "-|", "$gitbin/git-ls-tree $tree" || die_error(undef, "Open git-ls-tree failed.");
 802                 my (@entries) = map { chomp; $_ } <$fd>;
 803                 close $fd || return undef;
 804                 foreach my $line (@entries) {
 805                         #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 806                         $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 807                         my $t_mode = $1;
 808                         my $t_type = $2;
 809                         my $t_hash = $3;
 810                         my $t_name = $4;
 811                         if ($t_name eq $part) {
 812                                 if (!(@parts)) {
 813                                         return $t_hash;
 814                                 }
 815                                 if ($t_type eq "tree") {
 816                                         $tree = $t_hash;
 817                                 }
 818                                 last;
 819                         }
 820                 }
 821         }
 822 }
 823
 824 sub git_blob {
 825         if (!defined $hash && defined $file_name) {
 826                 my $base = $hash_base || git_read_hash("$project/HEAD");
 827                 $hash = git_get_hash_by_path($base, $file_name, "blob");
 828         }
 829         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" || die_error(undef, "Open failed.");
 830         my $base = $file_name || "";
 831         git_header_html();
 832         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
 833                 print "<div class=\"page_nav\">\n" .
 834                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
 835                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
 836                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree");
 837                 if (defined $file_name) {
 838                         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base;f=$file_name"}, "history");
 839                 }
 840                 print "<br/><br/>\n" .
 841                       "</div>\n";
 842                 print "<div>" .
 843                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) .
 844                       "</div>\n";
 845         } else {
 846                 print "<div class=\"page_nav\">\n" .
 847                       "<br/><br/></div>\n" .
 848                       "<div class=\"title\">$hash</div>\n";
 849         }
 850         if (defined $file_name) {
 851                 print "<div class=\"page_path\">/$file_name</div>\n";
 852         }
 853         print "<div class=\"page_body\">\n";
 854         my $nr;
 855         while (my $line = <$fd>) {
 856                 chomp $line;
 857                 $nr++;
 858                 print "<div class=\"pre\">";
 859                 printf "<span style=\"color:#999999;\">%4i</span>", $nr;
 860                 print " " .escapeHTML($line) . "</div>\n";
 861         }
 862         close $fd || print "Reading blob failed.\n";
 863         print "</div>";
 864         git_footer_html();
 865 }
 866
 867 sub git_tree {
 868         if (!defined $hash) {
 869                 $hash = git_read_hash("$project/HEAD");
 870                 if (defined $file_name) {
 871                         my $base = $hash_base || git_read_hash("$project/HEAD");
 872                         $hash = git_get_hash_by_path($base, $file_name, "tree");
 873                 }
 874         }
 875         if (!defined $hash_base) {
 876                 $hash_base = git_read_hash("$project/HEAD");
 877         }
 878         open my $fd, "-|", "$gitbin/git-ls-tree $hash" || die_error(undef, "Open git-ls-tree failed.");
 879         my (@entries) = map { chomp; $_ } <$fd>;
 880         close $fd || die_error(undef, "Reading tree failed.");
 881
 882         git_header_html();
 883         my $base_key = "";
 884         my $file_key = "";
 885         my $base = "";
 886         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
 887                 $base_key = ";hb=$hash_base";
 888                 print "<div class=\"page_nav\">\n" .
 889                       $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 890                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
 891                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
 892                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree") .
 893                       "<br/><br/>\n" .
 894                       "</div>\n";
 895                 print "<div>\n" .
 896                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
 897                       "</div>\n";
 898         } else {
 899                 print "<div class=\"page_nav\">\n";
 900                 print "<br/><br/></div>\n";
 901                 print "<div class=\"title\">$hash</div>\n";
 902         }
 903         if (defined $file_name) {
 904                 $base = "$file_name/";
 905                 print "<div class=\"page_path\">/$file_name</div>\n";
 906         } else {
 907                 print "<div class=\"page_path\">/</div>\n";
 908         }
 909         print "<div class=\"page_body\">\n";
 910         print "<table cellspacing=\"0\">\n";
 911         foreach my $line (@entries) {
 912                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 913                 $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 914                 my $t_mode = $1;
 915                 my $t_type = $2;
 916                 my $t_hash = $3;
 917                 my $t_name = $4;
 918                 $file_key = ";f=$base$t_name";
 919                 print "<tr>\n" .
 920                       "<td class=\"pre\">" . mode_str($t_mode) . "</td>\n";
 921                 if ($t_type eq "blob") {
 922                         print "<td class=\"pre\">$t_name</td>\n";
 923                         print "<td class=\"link\">" .
 924                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key}, "blob") .
 925                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base" . $file_key}, "history") .
 926                               "</td>\n";
 927                 } elsif ($t_type eq "tree") {
 928                         print "<td class=\"pre\">" .
 929                               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key}, $t_name) .
 930                               "</td>\n";
 931                 }
 932                 print "</tr>\n";
 933         }
 934         print "</table>\n" .
 935               "</div>";
 936         git_footer_html();
 937 }
 938
 939 sub git_rss {
 940         open my $fd, "-|", "$gitbin/git-rev-list --max-count=20 " . git_read_hash("$project/HEAD") || die_error(undef, "Open failed.");
 941         my (@revlist) = map { chomp; $_ } <$fd>;
 942         close $fd || die_error(undef, "Reading rev-list failed.");
 943
 944         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
 945         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
 946               "<rss version=\"0.91\">\n";
 947         print "<channel>\n";
 948         print "<title>$project</title>\n".
 949               "<link> $my_url/$project/log</link>\n".
 950               "<description>$project log</description>\n".
 951               "<language>en</language>\n";
 952
 953         foreach my $commit (@revlist) {
 954                 my %co = git_read_commit($commit);
 955                 my %ad = date_str($co{'author_epoch'});
 956                 print "<item>\n" .
 957                       "\t<title>" . sprintf("%d %s %02d:%02d", $ad{'mday'}, $ad{'month'}, $ad{'hour'}, $ad{'minute'}) . " - " . escapeHTML($co{'title'}) . "</title>\n" .
 958                       "\t<link> $my_url?p=$project;a=commit;h=$commit</link>\n" .
 959                       "\t<description>";
 960                 my $comment = $co{'comment'};
 961                 foreach my $line (@$comment) {
 962                         print escapeHTML($line) . "<br/>\n";
 963                 }
 964                 print "\t</description>\n" .
 965                       "</item>\n";
 966         }
 967         print "</channel></rss>";
 968 }
 969
 970 sub git_log {
 971         my $head = git_read_hash("$project/HEAD");
 972         my $limit_option = "";
 973         if (!defined $time_back) {
 974                 $limit_option = "--max-count=10";
 975         } elsif ($time_back > 0) {
 976                 my $date = time - $time_back*24*60*60;
 977                 $limit_option = "--max-age=$date";
 978         }
 979         open my $fd, "-|", "$gitbin/git-rev-list $limit_option $head" || die_error(undef, "Open failed.");
 980         my (@revlist) = map { chomp; $_ } <$fd>;
 981         close $fd || die_error(undef, "Reading rev-list failed.");
 982
 983         git_header_html();
 984         print "<div class=\"page_nav\">\n";
 985         print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "last 10") . " | " .
 986               $cgi->a({-href => "$my_uri?p=$project;a=log;t=1"}, "day") . " | " .
 987               $cgi->a({-href => "$my_uri?p=$project;a=log;t=7"}, "week") . " | " .
 988               $cgi->a({-href => "$my_uri?p=$project;a=log;t=31"}, "month") . " | " .
 989               $cgi->a({-href => "$my_uri?p=$project;a=log;t=365"}, "year") . " | " .
 990               $cgi->a({-href => "$my_uri?p=$project;a=log;t=0"}, "all") . "<br/>\n";
 991         print "<br/>\n" .
 992               "</div>\n";
 993
 994         if (!@revlist) {
 995                 my %co = git_read_commit($head);
 996                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
 997         }
 998
 999         foreach my $commit (@revlist) {
1000                 my %co = git_read_commit($commit);
1001                 next if !%co;
1002                 my %ad = date_str($co{'author_epoch'});
1003                 print "<div>\n" .
1004                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "title"},
1005                       "<span class=\"log_age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
1006                       "</div>\n";
1007                 print "<div class=\"title_text\">\n" .
1008                       "<div class=\"log_link\">\n" .
1009                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1010                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
1011                       "<br/>\n" .
1012                       "</div>\n" .
1013                       "<i>" . escapeHTML($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1014                       "</div>\n" .
1015                       "<div class=\"log_body\">\n";
1016                 my $comment = $co{'comment'};
1017                 my $empty = 0;
1018                 foreach my $line (@$comment) {
1019                         if ($line =~ m/^(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1020                                 next;
1021                         }
1022                         if ($line eq "") {
1023                                 if ($empty) {
1024                                         next;
1025                                 }
1026                                 $empty = 1;
1027                         } else {
1028                                 $empty = 0;
1029                         }
1030                         print escapeHTML($line) . "<br/>\n";
1031                 }
1032                 if (!$empty) {
1033                         print "<br/>\n";
1034                 }
1035                 print "</div>\n";
1036         }
1037         git_footer_html();
1038 }
1039
1040 sub git_commit {
1041         my %co = git_read_commit($hash);
1042         if (!%co) {
1043                 die_error(undef, "Unknown commit object.");
1044         }
1045         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1046         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1047
1048         my @difftree;
1049         if (defined $co{'parent'}) {
1050                 open my $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $hash" || die_error(undef, "Open failed.");
1051                 @difftree = map { chomp; $_ } <$fd>;
1052                 close $fd || die_error(undef, "Reading diff-tree failed.");
1053         } else {
1054                 # fake git-diff-tree output for initial revision
1055                 open my $fd, "-|", "$gitbin/git-ls-tree -r $hash" || die_error(undef, "Open failed.");
1056                 @difftree = map { chomp;  "+" . $_ } <$fd>;
1057                 close $fd || die_error(undef, "Reading ls-tree failed.");
1058         }
1059         git_header_html();
1060         print "<div class=\"page_nav\">\n" .
1061               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1062               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit");
1063         if (defined $co{'parent'}) {
1064                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff");
1065         }
1066         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") . "\n" .
1067               "<br/><br/></div>\n";
1068         if (defined $co{'parent'}) {
1069                 print "<div>\n" .
1070                       $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1071                       "</div>\n";
1072         } else {
1073                 print "<div>\n" .
1074                       $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1075                       "</div>\n";
1076         }
1077         print "<div class=\"title_text\">\n" .
1078               "<table cellspacing=\"0\">\n";
1079         print "<tr><td>author</td><td>" . escapeHTML($co{'author'}) . "</td></tr>\n".
1080               "<tr><td></td><td> $ad{'rfc2822'}";
1081         if ($ad{'hour_local'} < 6) {
1082                 printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1083         } else {
1084                 printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1085         }
1086         print "</td></tr>\n";
1087         print "<tr><td>committer</td><td>" . escapeHTML($co{'committer'}) . "</td></tr>\n";
1088         print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1089         print "<tr><td>commit</td><td style=\"font-family: monospace;\">$hash</td></tr>\n";
1090         print "<tr><td>tree</td><td style=\"font-family: monospace;\">" .
1091               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, $co{'tree'}) . "</td></tr>\n";
1092         my $parents  = $co{'parents'};
1093         foreach my $par (@$parents) {
1094                 print "<tr><td>parent</td><td style=\"font-family: monospace;\">" .
1095                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, $par) . "</td></tr>\n";
1096         }
1097         print "</table>".
1098               "</div>\n";
1099         print "<div class=\"page_body\">\n";
1100         my $comment = $co{'comment'};
1101         my $empty = 0;
1102         my $signed = 0;
1103         foreach my $line (@$comment) {
1104                 # print only one empty line
1105                 if ($line eq "") {
1106                         if ($empty || $signed) {
1107                                 next;
1108                         }
1109                         $empty = 1;
1110                 } else {
1111                         $empty = 0;
1112                 }
1113                 if ($line =~ m/^(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1114                         $signed = 1;
1115                         print "<span style=\"color: #888888\">" . escapeHTML($line) . "</span><br/>\n";
1116                 } else {
1117                         $signed = 0;
1118                         print escapeHTML($line) . "<br/>\n";
1119                 }
1120         }
1121         print "</div>\n";
1122         print "<div class=\"list_head\">\n";
1123         if ($#difftree > 10) {
1124                 print(($#difftree + 1) . " files changed:\n");
1125         }
1126         print "</div>\n";
1127         foreach my $line (@difftree) {
1128                 # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
1129                 # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
1130                 # '*100664->100644      blob    b1a8e3dd5556b61dd771d32307c6ee5d7150fa43->b1a8e3dd5556b61dd771d32307c6ee5d7150fa43      show-files.c'
1131                 # '*100664->100644      blob    d08e895238bac36d8220586fdc28c27e1a7a76d3->d08e895238bac36d8220586fdc28c27e1a7a76d3      update-cache.c'
1132                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
1133                 my $op = $1;
1134                 my $mode = $2;
1135                 my $type = $3;
1136                 my $id = $4;
1137                 my $file = $5;
1138                 if ($type eq "blob") {
1139                         if ($op eq "+") {
1140                                 my $mode_chng = "";
1141                                 if (S_ISREG(oct $mode)) {
1142                                         $mode_chng = sprintf(" with mode: %04o", (oct $mode) & 0777);
1143                                 }
1144                                 print "<div class=\"list\">\n" .
1145                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"},
1146                                       escapeHTML($file) . " <span style=\"color: #008000;\">[new " . file_type($mode) . "$mode_chng]</span>") . "\n" .
1147                                       "</div>\n";
1148                                 print "<div class=\"list_link\">\n" .
1149                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, "blob") . "\n" .
1150                                       "</div>\n";
1151                         } elsif ($op eq "-") {
1152                                 print "<div class=\"list\">\n" .
1153                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"},
1154                                       escapeHTML($file) .  " <span style=\"color: #c00000;\">[deleted " . file_type($mode) . "]</span>") . "\n" .
1155                                       "</div>";
1156                                 print "<div class=\"list_link\">\n" .
1157                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, "blob") . " | " .
1158                                       $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n" .
1159                                       "</div>\n";
1160                         } elsif ($op eq "*") {
1161                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
1162                                 my $from_id = $1;
1163                                 my $to_id = $2;
1164                                 $mode =~ m/^([0-7]{6})->([0-7]{6})$/;
1165                                 my $from_mode = $1;
1166                                 my $to_mode = $2;
1167                                 my $mode_chnge = "";
1168                                 if ($from_mode != $to_mode) {
1169                                         $mode_chnge = " <span style=\"color: #777777;\">[changed";
1170                                         if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
1171                                                 $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
1172                                         }
1173                                         if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
1174                                                 if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
1175                                                         $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
1176                                                 } elsif (S_ISREG($to_mode)) {
1177                                                         $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
1178                                                 }
1179                                         }
1180                                         $mode_chnge .= "]</span>\n";
1181                                 }
1182                                 print "<div class=\"list\">\n";
1183                                 if ($to_id ne $from_id) {
1184                                         print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"},
1185                                               escapeHTML($file) . $mode_chnge) . "\n" .
1186                                               "</div>\n";
1187                                 } else {
1188                                         print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"},
1189                                               escapeHTML($file) . $mode_chnge) . "\n" .
1190                                               "</div>\n";
1191                                 }
1192                                 print "<div class=\"list_link\">\n";
1193                                 if ($to_id ne $from_id) {
1194                                         print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"}, "diff") . " | ";
1195                                 }
1196                                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "blob") . " | " .
1197                                       $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n" .
1198                                       "</div>\n";
1199                         }
1200                 }
1201         }
1202         git_footer_html();
1203 }
1204
1205 sub git_blobdiff {
1206         mkdir($gittmp, 0700);
1207         git_header_html();
1208         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1209                 print "<div class=\"page_nav\">\n" .
1210                       $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1211                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1212                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1213                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree");
1214                         if (defined $file_name) {
1215                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base;f=$file_name"}, "history");
1216                         }
1217                 print "<br/><br/>\n" .
1218                       "</div>\n";
1219                 print "<div>\n" .
1220                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1221                       "</div>\n";
1222         } else {
1223                 print "<div class=\"page_nav\">\n" .
1224                       "<br/><br/></div>\n" .
1225                       "<div class=\"title\">$hash vs $hash_parent</div>\n";
1226         }
1227         if (defined $file_name) {
1228                 print "<div class=\"page_path\">\n" .
1229                       "/$file_name\n" .
1230                       "</div>\n";
1231         }
1232         print "<div class=\"page_body\">\n" .
1233               "<div class=\"diff_info\">blob:" .
1234               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name"}, $hash_parent) .
1235               " -> blob:" .
1236               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name"}, $hash) .
1237               "</div>\n";
1238         git_diff_html($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
1239         print "</div>";
1240         git_footer_html();
1241 }
1242
1243 sub git_commitdiff {
1244         mkdir($gittmp, 0700);
1245         my %co = git_read_commit($hash);
1246         if (!%co) {
1247                 die_error(undef, "Unknown commit object.");
1248         }
1249         open my $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $hash" || die_error(undef, "Open failed.");
1250         my (@difftree) = map { chomp; $_ } <$fd>;
1251         close $fd || die_error(undef, "Reading diff-tree failed.");
1252
1253         git_header_html();
1254         print "<div class=\"page_nav\">\n" .
1255               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1256               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1257               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
1258               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" .  $co{'tree'} . ";hb=$hash"}, "tree") .
1259               "<br/><br/></div>\n";
1260         print "<div>\n" .
1261               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1262               "</div>\n";
1263         print "<div class=\"page_body\">\n";
1264         foreach my $line (@difftree) {
1265                 # '*100644->100644      blob    8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154      Makefile'
1266                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
1267                 my $op = $1;
1268                 my $mode = $2;
1269                 my $type = $3;
1270                 my $id = $4;
1271                 my $file = $5;
1272                 if ($type eq "blob") {
1273                         if ($op eq "+") {
1274                                 print "<div class=\"diff_info\">" .  file_type($mode) . ":" .
1275                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, $id) . "(new)" .
1276                                       "</div>\n";
1277                                 git_diff_html(undef, "/dev/null", $id, "b/$file");
1278                         } elsif ($op eq "-") {
1279                                 print "<div class=\"diff_info\">" . file_type($mode) . ":" .
1280                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, $id) . "(deleted)" .
1281                                       "</div>\n";
1282                                 git_diff_html($id, "a/$file", undef, "/dev/null");
1283                         } elsif ($op eq "*") {
1284                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
1285                                 my $from_id = $1;
1286                                 my $to_id = $2;
1287                                 $mode =~ m/([0-7]+)->([0-7]+)/;
1288                                 my $from_mode = $1;
1289                                 my $to_mode = $2;
1290                                 if ($from_id ne $to_id) {
1291                                         print "<div class=\"diff_info\">" .
1292                                               file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) .
1293                                               " -> " .
1294                                               file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id);
1295                                         print "</div>\n";
1296                                         git_diff_html($from_id, "a/$file",  $to_id, "b/$file");
1297                                 }
1298                         }
1299                 }
1300         }
1301         print "<br/>\n" .
1302               "</div>";
1303         git_footer_html();
1304 }
1305
1306 sub git_history {
1307         if (!defined $hash) {
1308                 $hash = git_read_hash("$project/HEAD");
1309         }
1310         my %co = git_read_commit($hash);
1311         if (!%co) {
1312                 die_error(undef, "Unknown commit object.");
1313         }
1314         git_header_html();
1315         print "<div class=\"page_nav\">\n" .
1316               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | " .
1317               $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") . " | " .
1318               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
1319               "<br/><br/>\n" .
1320               "</div>\n";
1321         print "<div>\n" .
1322               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1323               "</div>\n";
1324         print "<div class=\"page_path\">\n" .
1325               "/$file_name<br/>\n";
1326         print "</div>\n";
1327         open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin $file_name";
1328         my $commit;
1329         while (my $line = <$fd>) {
1330                 if ($line =~ m/^([0-9a-fA-F]{40}) /){
1331                         $commit = $1;
1332                         next;
1333                 }
1334                 if ($line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/ && (defined $commit)) {
1335                         my $type = $3;
1336                         my $file = $5;
1337                         if ($file ne $file_name || $type ne "blob") {
1338                                 next;
1339                         }
1340                         my %co = git_read_commit($commit);
1341                         if (!%co) {
1342                                 next;
1343                         }
1344                         print "<div class=\"list\">\n" .
1345                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"},
1346                               "<span class=\"log_age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
1347                               "</div>\n";
1348                         print "<div class=\"list_link\">\n" .
1349                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1350                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" .  $co{'tree'} . ";hb=$commit"}, "tree") .
1351                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=blob;hb=$commit;f=$file"}, "blob");
1352                         my $blob = git_get_hash_by_path($hash, $file_name);
1353                         my $blob_parent = git_get_hash_by_path($commit, $file_name);
1354                         if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
1355                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file"}, "diff");
1356                         }
1357                         print "<br/>\n" .
1358                               "</div>\n";
1359                         undef $commit;
1360                 }
1361         }
1362         close $fd;
1363         git_footer_html();
1364 }