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 =           "154";
  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 ($action eq "branches") {
 125         git_branches();
 126         exit;
 127 } elsif ($action eq "tags") {
 128         git_tags();
 129         exit;
 130 } elsif ($action eq "blob") {
 131         git_blob();
 132         exit;
 133 } elsif ($action eq "tree") {
 134         git_tree();
 135         exit;
 136 } elsif ($action eq "rss") {
 137         git_rss();
 138         exit;
 139 } elsif ($action eq "commit") {
 140         git_commit();
 141         exit;
 142 } elsif ($action eq "log") {
 143         git_log();
 144         exit;
 145 } elsif ($action eq "blobdiff") {
 146         git_blobdiff();
 147         exit;
 148 } elsif ($action eq "commitdiff") {
 149         git_commitdiff();
 150         exit;
 151 } elsif ($action eq "history") {
 152         git_history();
 153         exit;
 154 } else {
 155         undef $action;
 156         die_error(undef, "Unknown action.");
 157         exit;
 158 }
 159
 160 sub git_header_html {
 161         my $status = shift || "200 OK";
 162
 163         my $title = "git";
 164         if (defined $project) {
 165                 $title .= " - $project";
 166                 if (defined $action) {
 167                         $title .= "/$action";
 168                 }
 169         }
 170         print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status);
 171         print <<EOF;
 172 <?xml version="1.0" encoding="utf-8"?>
 173 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 174 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 175 <!-- git web interface v$version, (C) 2005, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke <ch\@gierke.de> -->
 176 <head>
 177 <title>$title</title>
 178 $rss_link
 179 <style type="text/css">
 180 body { font-family: sans-serif; font-size: 12px; margin:0px; border:solid #d9d8d1; border-width:1px; margin:10px; }
 181 a { color:#0000cc; }
 182 a:hover, a:visited, a:active { color:#880000; }
 183 div.page_header { height:25px; padding:8px; font-size:18px; font-weight:bold; background-color:#d9d8d1; }
 184 div.page_header a:visited { color:#0000cc; }
 185 div.page_header a:hover { color:#880000; }
 186 div.page_nav { padding:8px; }
 187 div.page_nav a:visited { color:#0000cc; }
 188 div.page_path { font-weight:bold; padding:8px; border:solid #d9d8d1; border-width:0px 0px 1px}
 189 div.page_footer { height:17px; padding:4px 8px; background-color: #d9d8d1; }
 190 div.page_footer_text { float:left; color:#555555; font-style:italic; }
 191 div.page_body { padding:8px; }
 192 div.title, a.title {
 193         display:block; padding:6px 8px;
 194         font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
 195 }
 196 a.title:hover { background-color: #d9d8d1; }
 197 div.title_text { padding:6px 8px; border: solid #d9d8d1; border-width:0px 0px 1px; }
 198 div.log_body { padding:8px 8px 8px 150px; }
 199 span.age { position:relative; float:left; width:142px; font-style:italic; }
 200 div.log_link {
 201         font-size:10px; font-family:sans-serif; font-style:normal;
 202         position:relative; float:left; width:142px;
 203 }
 204 div.list { display:block; padding:4px 8px 2px; }
 205 div.list_head {
 206         display:block; padding:6px 6px 4px; border:solid #d9d8d1;
 207         border-width:0px 0px 1px; font-style:italic;
 208 }
 209 div.list a { text-decoration:none; color:#000000; }
 210 div.list a:hover { color:#880000; }
 211 div.list_link {
 212         padding:4px 8px 6px; border:solid #d9d8d1; border-width:0px 0px 1px;
 213         font-family:sans-serif; font-size:10px;
 214 }
 215 td { padding:5px 15px 0px 0px; font-size:12px; }
 216 th { padding-right:10px; font-size:12px; text-align:left; }
 217 td.link { font-family:sans-serif; font-size:10px; }
 218 td.pre { font-family:monospace; font-size:12px; white-space:pre; padding:2px 15px 0px 0px; }
 219 div.pre { font-family:monospace; font-size:12px; white-space:pre; }
 220 div.diff_info { font-family:monospace; color:#000099; background-color:#edece6; font-style:italic; }
 221 div.index_include { border:solid #d9d8d1; border-width:0px 0px 1px; padding:12px 8px; }
 222 a.rss_logo { float:right; padding:3px 0px; width:35px; line-height:10px;
 223         border:1px solid; border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e;
 224         color:#ffffff; background-color:#ff6600;
 225         font-weight:bold; font-family:sans-serif; font-size:10px;
 226         text-align:center; text-decoration:none;
 227 }
 228 a.rss_logo:hover { background-color:#ee5500; }
 229 </style>
 230 </head>
 231 <body>
 232 EOF
 233         print "<div class=\"page_header\">\n" .
 234               "<a href=\"http://kernel.org/pub/software/scm/git/docs/\">" .
 235               "<img src=\"$my_uri?a=git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
 236         print $cgi->a({-href => $home_link}, "projects") . " / ";
 237         if (defined $project) {
 238                 print $cgi->a({-href => "$my_uri?p=$project;a=summary"}, escapeHTML($project));
 239                 if (defined $action) {
 240                         print " / $action";
 241                 }
 242         }
 243         print "</div>\n";
 244 }
 245
 246 sub git_footer_html {
 247         print "<div class=\"page_footer\">\n";
 248         if (defined $project) {
 249                 my $descr = git_read_description($project);
 250                 if (defined $descr) {
 251                         print "<div class=\"page_footer_text\">" . escapeHTML($descr) . "</div>\n";
 252                 }
 253                 print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "rss_logo"}, "RSS") . "\n";
 254         }
 255         print "</div>\n" .
 256               "</body>\n" .
 257               "</html>";
 258 }
 259
 260 sub die_error {
 261         my $status = shift || "403 Forbidden";
 262         my $error = shift || "Malformed query, file missing or permission denied";
 263
 264         git_header_html($status);
 265         print "<div class=\"page_body\">\n" .
 266               "<br/><br/>\n";
 267         print "$status - $error\n";
 268         print "<br/></div>\n";
 269         git_footer_html();
 270         exit;
 271 }
 272
 273 sub git_get_type {
 274         my $hash = shift;
 275
 276         open my $fd, "-|", "$gitbin/git-cat-file -t $hash" || return;
 277         my $type = <$fd>;
 278         close $fd;
 279         chomp $type;
 280         return $type;
 281 }
 282
 283 sub git_read_hash {
 284         my $path = shift;
 285
 286         open my $fd, "$projectroot/$path" || return undef;
 287         my $head = <$fd>;
 288         close $fd;
 289         chomp $head;
 290         if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 291                 return $head;
 292         }
 293 }
 294
 295 sub git_read_description {
 296         my $path = shift;
 297
 298         open my $fd, "$projectroot/$path/description" || return undef;
 299         my $descr = <$fd>;
 300         close $fd;
 301         chomp $descr;
 302         return $descr;
 303 }
 304
 305 sub git_read_tag {
 306         my $tag_id = shift;
 307         my %tag;
 308
 309         open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" || return;
 310         while (my $line = <$fd>) {
 311                 chomp $line;
 312                 if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 313                         $tag{'object'} = $1;
 314                 } elsif ($line =~ m/^type (.*)$/) {
 315                         $tag{'type'} = $1;
 316                 } elsif ($line =~ m/^tag (.*)$/) {
 317                         $tag{'name'} = $1;
 318                 }
 319         }
 320         close $fd || return;
 321         if (!defined $tag{'name'}) {
 322                 return
 323         };
 324         return %tag
 325 }
 326
 327 sub git_read_commit {
 328         my $commit = shift;
 329         my %co;
 330         my @parents;
 331
 332         open my $fd, "-|", "$gitbin/git-cat-file commit $commit" || return;
 333         while (my $line = <$fd>) {
 334                 last if $line eq "\n";
 335                 chomp $line;
 336                 if ($line =~ m/^tree (.*)$/) {
 337                         $co{'tree'} = $1;
 338                 } elsif ($line =~ m/^parent (.*)$/) {
 339                         push @parents, $1;
 340                 } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 341                         $co{'author'} = $1;
 342                         $co{'author_epoch'} = $2;
 343                         $co{'author_tz'} = $3;
 344                         $co{'author_name'} = $co{'author'};
 345                         $co{'author_name'} =~ s/ <.*//;
 346                 } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 347                         $co{'committer'} = $1;
 348                         $co{'committer_epoch'} = $2;
 349                         $co{'committer_tz'} = $3;
 350                         $co{'committer_name'} = $co{'committer'};
 351                         $co{'committer_name'} =~ s/ <.*//;
 352                 }
 353         }
 354         if (!defined $co{'tree'}) {
 355                 close $fd;
 356                 return undef
 357         };
 358         $co{'parents'} = \@parents;
 359         $co{'parent'} = $parents[0];
 360         my (@comment) = map { chomp; $_ } <$fd>;
 361         $co{'comment'} = \@comment;
 362         $comment[0] =~ m/^(.{0,60}[^ \/]*)/;
 363         $co{'title'} = $1;
 364         if ($comment[0] ne $co{'title'}) {
 365                 $co{'title'} .= " ...";
 366         }
 367         close $fd || return;
 368
 369         my $age = time - $co{'committer_epoch'};
 370         $co{'age'} = $age;
 371         if ($age > 60*60*24*365*2) {
 372                 $co{'age_string'} = (int $age/60/60/24/365);
 373                 $co{'age_string'} .= " years ago";
 374         } elsif ($age > 60*60*24*(365/12)*2) {
 375                 $co{'age_string'} = int $age/60/60/24/(365/12);
 376                 $co{'age_string'} .= " months ago";
 377         } elsif ($age > 60*60*24*7*2) {
 378                 $co{'age_string'} = int $age/60/60/24/7;
 379                 $co{'age_string'} .= " weeks ago";
 380         } elsif ($age > 60*60*24*2) {
 381                 $co{'age_string'} = int $age/60/60/24;
 382                 $co{'age_string'} .= " days ago";
 383         } elsif ($age > 60*60*2) {
 384                 $co{'age_string'} = int $age/60/60;
 385                 $co{'age_string'} .= " hours ago";
 386         } elsif ($age > 60*2) {
 387                 $co{'age_string'} = int $age/60;
 388                 $co{'age_string'} .= " min ago";
 389         } elsif ($age > 2) {
 390                 $co{'age_string'} = int $age;
 391                 $co{'age_string'} .= " sec ago";
 392         } else {
 393                 $co{'age_string'} .= " right now";
 394         }
 395         return %co;
 396 }
 397
 398 sub git_diff_html {
 399         my $from = shift;
 400         my $from_name = shift;
 401         my $to = shift;
 402         my $to_name = shift;
 403
 404         my $from_tmp = "/dev/null";
 405         my $to_tmp = "/dev/null";
 406         my $pid = $$;
 407
 408         # create tmp from-file
 409         if (defined $from) {
 410                 $from_tmp = "$gittmp/gitweb_" . $$ . "_from";
 411                 open my $fd2, "> $from_tmp";
 412                 open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 413                 my @file = <$fd>;
 414                 print $fd2 @file;
 415                 close $fd2;
 416                 close $fd;
 417         }
 418
 419         # create tmp to-file
 420         if (defined $to) {
 421                 $to_tmp = "$gittmp/gitweb_" . $$ . "_to";
 422                 open my $fd2, "> $to_tmp";
 423                 open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 424                 my @file = <$fd>;
 425                 print $fd2 @file;
 426                 close $fd2;
 427                 close $fd;
 428         }
 429
 430         open my $fd, "-|", "/usr/bin/diff -u -p -L $from_name -L $to_name $from_tmp $to_tmp";
 431         while (my $line = <$fd>) {
 432                 chomp($line);
 433                 my $char = substr($line, 0, 1);
 434                 my $color = "";
 435                 if ($char eq '+') {
 436                         $color = " style=\"color:#008800;\"";
 437                 } elsif ($char eq '-') {
 438                         $color = " style=\"color:#cc0000;\"";
 439                 } elsif ($char eq '@') {
 440                         $color = " style=\"color:#990099;\"";
 441                 } elsif ($char eq '\\') {
 442                         # skip errors
 443                         next;
 444                 }
 445                 print "<div class=\"pre\"$color>" . escapeHTML($line) . "</div>\n";
 446         }
 447         close $fd;
 448
 449         if (defined $from) {
 450                 unlink($from_tmp);
 451         }
 452         if (defined $to) {
 453                 unlink($to_tmp);
 454         }
 455 }
 456
 457 sub mode_str {
 458         my $mode = oct shift;
 459
 460         if (S_ISDIR($mode & S_IFMT)) {
 461                 return 'drwxr-xr-x';
 462         } elsif (S_ISLNK($mode)) {
 463                 return 'lrwxrwxrwx';
 464         } elsif (S_ISREG($mode)) {
 465                 # git cares only about the executable bit
 466                 if ($mode & S_IXUSR) {
 467                         return '-rwxr-xr-x';
 468                 } else {
 469                         return '-rw-r--r--';
 470                 };
 471         } else {
 472                 return '----------';
 473         }
 474 }
 475
 476 sub file_type {
 477         my $mode = oct shift;
 478
 479         if (S_ISDIR($mode & S_IFMT)) {
 480                 return "directory";
 481         } elsif (S_ISLNK($mode)) {
 482                 return "symlink";
 483         } elsif (S_ISREG($mode)) {
 484                 return "file";
 485         } else {
 486                 return "unknown";
 487         }
 488 }
 489
 490 sub date_str {
 491         my $epoch = shift;
 492         my $tz = shift || "-0000";
 493
 494         my %date;
 495         my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 496         my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 497         my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 498         $date{'hour'} = $hour;
 499         $date{'minute'} = $min;
 500         $date{'mday'} = $mday;
 501         $date{'day'} = $days[$wday];
 502         $date{'month'} = $months[$mon];
 503         $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 504         $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 505
 506         $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 507         my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 508         ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 509         $date{'hour_local'} = $hour;
 510         $date{'minute_local'} = $min;
 511         $date{'tz_local'} = $tz;
 512         return %date;
 513 }
 514
 515 # git-logo (cached in browser for one day)
 516 sub git_logo {
 517         print $cgi->header(-type => 'image/png', -expires => '+1d');
 518         # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 519         print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 520                 "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 521                 "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 522                 "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 523                 "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 524                 "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 525                 "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 526                 "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 527                 "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 528                 "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 529                 "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 530                 "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 531                 "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 532 }
 533
 534 sub get_file_owner {
 535         my $path = shift;
 536
 537         my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 538         my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 539         if (!defined $gcos) {
 540                 return undef;
 541         }
 542         my $owner = $gcos;
 543         $owner =~ s/[,;].*$//;
 544         return $owner;
 545 }
 546
 547 sub git_project_list {
 548         my @list;
 549
 550         if (-d $projects_list) {
 551                 # search in directory
 552                 my $dir = $projects_list;
 553                 opendir my $dh, $dir || return undef;
 554                 while (my $dir = readdir($dh)) {
 555                         if (-e "$projectroot/$dir/HEAD") {
 556                                 my $pr = {
 557                                         path => $dir,
 558                                 };
 559                                 push @list, $pr
 560                         }
 561                 }
 562                 closedir($dh);
 563         } elsif (-f $projects_list) {
 564                 # read from file:
 565                 # 'git/git.git:Linus Torvalds'
 566                 # 'linux/hotplug/udev.git'
 567                 open my $fd , $projects_list || return undef;
 568                 while (my $line = <$fd>) {
 569                         chomp $line;
 570                         my ($path, $owner) = split ' ', $line;
 571                         $path = unescape($path);
 572                         $owner = unescape($owner);
 573                         if (!defined $path) {
 574                                 next;
 575                         }
 576                         if (-e "$projectroot/$path/HEAD") {
 577                                 my $pr = {
 578                                         path => $path,
 579                                         owner => $owner,
 580                                 };
 581                                 push @list, $pr
 582                         }
 583                 }
 584                 close $fd;
 585         }
 586
 587         if (!@list) {
 588                 die_error(undef, "No project found.");
 589         }
 590         @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 591
 592         git_header_html();
 593         if (-f $home_text) {
 594                 print "<div class=\"index_include\">\n";
 595                 open (my $fd, $home_text);
 596                 print <$fd>;
 597                 close $fd;
 598                 print "</div>\n";
 599         }
 600         print "<div class=\"page_body\"><br/>\n" .
 601               "<table cellspacing=\"0\">\n" .
 602               "<tr>\n" .
 603               "<th>Project</th>\n" .
 604               "<th>Description</th>\n" .
 605               "<th>Owner</th>\n" .
 606               "<th>last change</th>\n" .
 607               "<th></th>\n" .
 608               "</tr>\n";
 609         foreach my $pr (@list) {
 610                 my %proj = %$pr;
 611                 my $head = git_read_hash("$proj{'path'}/HEAD");
 612                 if (!defined $head) {
 613                         next;
 614                 }
 615                 $ENV{'GIT_OBJECT_DIRECTORY'} = "$projectroot/$proj{'path'}/objects";
 616                 $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$proj{'path'}/objects";
 617                 my %co = git_read_commit($head);
 618                 if (!%co) {
 619                         next;
 620                 }
 621                 my $descr = git_read_description($proj{'path'}) || "";
 622                 # get directory owner if not already specified
 623                 if (!defined $proj{'owner'}) {
 624                         $proj{'owner'} = get_file_owner("$projectroot/$proj{'path'}") || "";
 625                 }
 626                 print "<tr>\n" .
 627                       "<td>" . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=summary"}, escapeHTML($proj{'path'})) . "</td>\n" .
 628                       "<td>$descr</td>\n" .
 629                       "<td><i>$proj{'owner'}</i></td>\n";
 630                 my $colored_age;
 631                 if ($co{'age'} < 60*60*2) {
 632                         $colored_age = "<span style =\"color: #009900;\"><b><i>$co{'age_string'}</i></b></span>";
 633                 } elsif ($co{'age'} < 60*60*24*2) {
 634                         $colored_age = "<span style =\"color: #009900;\"><i>$co{'age_string'}</i></span>";
 635                 } else {
 636                         $colored_age = "<i>$co{'age_string'}</i>";
 637                 }
 638                 print "<td>$colored_age</td>\n" .
 639                       "<td class=\"link\">" .
 640                       $cgi->a({-href => "$my_uri?p=$proj{'path'};a=summary"}, "summary") .
 641                       " | " . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=log"}, "log") .
 642                       " | " . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=tree"}, "tree") .
 643                       "</td>\n" .
 644                       "</tr>\n";
 645         }
 646         print "</table>\n" .
 647               "<br/>\n" .
 648               "</div>\n";
 649         git_footer_html();
 650 }
 651
 652 sub git_read_refs {
 653         my $ref_dir = shift;
 654         my @reflist;
 655
 656         opendir my $dh, "$projectroot/$project/$ref_dir";
 657         my @refs = grep !m/^\./, readdir $dh;
 658         closedir($dh);
 659         foreach my $ref_file (@refs) {
 660                 my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 661                 my $type = git_get_type($ref_id) || next;
 662                 my %ref_item;
 663                 my %co;
 664                 if ($type eq "tag") {
 665                         my %tag = git_read_tag($ref_id);
 666                         if ($tag{'type'} eq "commit") {
 667                                 %co = git_read_commit($tag{'object'});
 668                         }
 669                         $ref_item{'type'} = $tag{'type'};
 670                         $ref_item{'name'} = $tag{'name'};
 671                         $ref_item{'id'} = $tag{'object'};
 672                 } elsif ($type eq "commit"){
 673                         %co = git_read_commit($ref_id);
 674                         $ref_item{'type'} = "commit";
 675                         $ref_item{'name'} = $ref_file;
 676                         $ref_item{'title'} = $co{'title'};
 677                         $ref_item{'id'} = $ref_id;
 678                 }
 679                 $ref_item{'epoch'} = $co{'committer_epoch'} || 0;
 680                 $ref_item{'age'} = $co{'age_string'} || "unknown";
 681
 682                 push @reflist, \%ref_item;
 683         }
 684         # sort tags by age
 685         @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
 686         return \@reflist;
 687 }
 688
 689 sub git_summary {
 690         my $descr = git_read_description($project) || "none";
 691         my $head = git_read_hash("$project/HEAD");
 692         $ENV{'GIT_OBJECT_DIRECTORY'} = "$projectroot/$project/objects";
 693         $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects";
 694         my %co = git_read_commit($head);
 695         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 696
 697         my $owner;
 698         if (-f $projects_list) {
 699                 open (my $fd , $projects_list);
 700                 while (my $line = <$fd>) {
 701                         chomp $line;
 702                         my ($pr, $ow) = split ' ', $line;
 703                         $pr = unescape($pr);
 704                         $ow = unescape($ow);
 705                         if ($pr eq $project) {
 706                                 $owner = $ow;
 707                                 last;
 708                         }
 709                 }
 710                 close $fd;
 711         }
 712         if (!defined $owner) {
 713                 $owner = get_file_owner("$projectroot/$project");
 714         }
 715
 716         git_header_html();
 717         print "<div class=\"page_nav\">\n" .
 718               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 719               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
 720               "<br/><br/>\n" .
 721               "</div>\n";
 722         print "<div class=\"title\">project</div>\n";
 723         print "<div class=\"page_body\">\n" .
 724               "<table cellspacing=\"0\">\n" .
 725               "<tr><td>description</td><td>" . escapeHTML($descr) . "</td></tr>\n" .
 726               "<tr><td>owner</td><td>$owner</td></tr>\n" .
 727               "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
 728               "</table>\n" .
 729               "<br/></div>\n";
 730         open my $fd, "-|", "$gitbin/git-rev-list --max-count=11 " . git_read_hash("$project/HEAD") || die_error(undef, "Open failed.");
 731         my (@revlist) = map { chomp; $_ } <$fd>;
 732         close $fd;
 733         print "<div>\n" .
 734               $cgi->a({-href => "$my_uri?p=$project;a=log", -class => "title"}, "commits") .
 735               "</div>\n";
 736         my $i = 10;
 737         print  "<div class=\"page_body\">\n" .
 738                "<table cellspacing=\"0\">\n";
 739         foreach my $commit (@revlist) {
 740                 my %co = git_read_commit($commit);
 741                 my %ad = date_str($co{'author_epoch'});
 742                 print "<tr>\n";
 743                 if (--$i > 0) {
 744                         print "<td>$co{'age_string'}</td>\n" .
 745                               "<td>$co{'author_name'}</td>\n" .
 746                               "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, escapeHTML($co{'title'})) . "</td>\n" .
 747                               "<td class=\"link\">" .
 748                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
 749                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
 750                               "</td>\n" .
 751                               "</tr>";
 752                 } else {
 753                         print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "...") . "</td>\n" .
 754                         "</tr>";
 755                         last;
 756                 }
 757         }
 758         print "</table\n>" .
 759               "</div>\n";
 760
 761         my $taglist = git_read_refs("refs/tags");
 762         if (defined @$taglist) {
 763                 print "<div>\n" .
 764                       $cgi->a({-href => "$my_uri?p=$project;a=tags", -class => "title"}, "tags") .
 765                       "</div>\n";
 766                 my $i = 10;
 767                 print  "<div class=\"page_body\">\n" .
 768                        "<table cellspacing=\"0\">\n";
 769                 foreach my $entry (@$taglist) {
 770                         my %tag = %$entry;
 771                         print "<tr>\n";
 772                         if (--$i > 0) {
 773                                 print "<td>$tag{'age'}</td>\n" .
 774                                       "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}"}, escapeHTML($tag{'name'})) . "</td>\n" .
 775                                       "</tr>";
 776                         } else {
 777                                 print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=tags"}, "...") . "</td>\n" .
 778                                 "</tr>";
 779                                 last;
 780                         }
 781                 }
 782                 print "</table\n>" .
 783                       "</div>\n";
 784         }
 785
 786         my $branchlist = git_read_refs("refs/heads");
 787         if (defined @$branchlist) {
 788                 print "<div>\n" .
 789                       $cgi->a({-href => "$my_uri?p=$project;a=branches", -class => "title"}, "branches") .
 790                       "</div>\n";
 791                 my $i = 10;
 792                 print  "<div class=\"page_body\">\n" .
 793                        "<table cellspacing=\"0\">\n";
 794                 foreach my $entry (@$branchlist) {
 795                         my %tag = %$entry;
 796                         print "<tr>\n";
 797                         if (--$i > 0) {
 798                                 print "<td>$tag{'age'}</td>\n" .
 799                                       "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'id'}"}, escapeHTML($tag{'name'})) . "</td>\n" .
 800                                       "</tr>";
 801                         } else {
 802                                 print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=branches"}, "...") . "</td>\n" .
 803                                 "</tr>";
 804                                 last;
 805                         }
 806                 }
 807                 print "</table\n>" .
 808                       "</div>\n";
 809         }
 810         git_footer_html();
 811 }
 812
 813 sub git_tags {
 814         my $head = git_read_hash("$project/HEAD");
 815         git_header_html();
 816         print "<div class=\"page_nav\">\n" .
 817               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 818               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
 819               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
 820               "<br/><br/>\n" .
 821               "</div>\n";
 822         my $taglist = git_read_refs("refs/tags");
 823         print "<div>\n" .
 824               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "tags") .
 825               "</div>\n";
 826         if (defined @$taglist) {
 827                 foreach my $entry (@$taglist) {
 828                         my %tag = %$entry;
 829                         print "<div class=\"list\">\n" .
 830                               $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}"},
 831                               "<span class=\"age\">$tag{'age'}</span>" .  escapeHTML($tag{'name'})) . "\n" .
 832                               "</div>\n";
 833                 }
 834         }
 835         print "<div class=\"list\"><br/></div>\n";
 836         git_footer_html();
 837 }
 838
 839 sub git_branches {
 840         my $head = git_read_hash("$project/HEAD");
 841         git_header_html();
 842         print "<div class=\"page_nav\">\n" .
 843               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 844               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
 845               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
 846               "<br/><br/>\n" .
 847               "</div>\n";
 848         my $taglist = git_read_refs("refs/heads");
 849         print "<div>\n" .
 850               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "branches") .
 851               "</div>\n";
 852         if (defined @$taglist) {
 853                 foreach my $entry (@$taglist) {
 854                         my %tag = %$entry;
 855                         print "<div class=\"list\">\n" .
 856                               $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'id'}"},
 857                               "<span class=\"age\">$tag{'age'}</span>" .  escapeHTML($tag{'name'})) . "\n" .
 858                               "</div>\n";
 859                 }
 860         }
 861         print "<div class=\"list\"><br/></div>\n";
 862         git_footer_html();
 863 }
 864
 865 sub git_get_hash_by_path {
 866         my $base = shift;
 867         my $path = shift;
 868
 869         my $tree = $base;
 870         my @parts = split '/', $path;
 871         while (my $part = shift @parts) {
 872                 open my $fd, "-|", "$gitbin/git-ls-tree $tree" || die_error(undef, "Open git-ls-tree failed.");
 873                 my (@entries) = map { chomp; $_ } <$fd>;
 874                 close $fd || return undef;
 875                 foreach my $line (@entries) {
 876                         #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 877                         $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 878                         my $t_mode = $1;
 879                         my $t_type = $2;
 880                         my $t_hash = $3;
 881                         my $t_name = $4;
 882                         if ($t_name eq $part) {
 883                                 if (!(@parts)) {
 884                                         return $t_hash;
 885                                 }
 886                                 if ($t_type eq "tree") {
 887                                         $tree = $t_hash;
 888                                 }
 889                                 last;
 890                         }
 891                 }
 892         }
 893 }
 894
 895 sub git_blob {
 896         if (!defined $hash && defined $file_name) {
 897                 my $base = $hash_base || git_read_hash("$project/HEAD");
 898                 $hash = git_get_hash_by_path($base, $file_name, "blob");
 899         }
 900         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" || die_error(undef, "Open failed.");
 901         my $base = $file_name || "";
 902         git_header_html();
 903         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
 904                 print "<div class=\"page_nav\">\n" .
 905                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
 906                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
 907                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree");
 908                 if (defined $file_name) {
 909                         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base;f=$file_name"}, "history");
 910                 }
 911                 print "<br/><br/>\n" .
 912                       "</div>\n";
 913                 print "<div>" .
 914                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) .
 915                       "</div>\n";
 916         } else {
 917                 print "<div class=\"page_nav\">\n" .
 918                       "<br/><br/></div>\n" .
 919                       "<div class=\"title\">$hash</div>\n";
 920         }
 921         if (defined $file_name) {
 922                 print "<div class=\"page_path\">/$file_name</div>\n";
 923         }
 924         print "<div class=\"page_body\">\n";
 925         my $nr;
 926         while (my $line = <$fd>) {
 927                 chomp $line;
 928                 $nr++;
 929                 print "<div class=\"pre\">";
 930                 printf "<span style=\"color:#999999;\">%4i</span>", $nr;
 931                 print " " .escapeHTML($line) . "</div>\n";
 932         }
 933         close $fd || print "Reading blob failed.\n";
 934         print "</div>";
 935         git_footer_html();
 936 }
 937
 938 sub git_tree {
 939         if (!defined $hash) {
 940                 $hash = git_read_hash("$project/HEAD");
 941                 if (defined $file_name) {
 942                         my $base = $hash_base || git_read_hash("$project/HEAD");
 943                         $hash = git_get_hash_by_path($base, $file_name, "tree");
 944                 }
 945         }
 946         if (!defined $hash_base) {
 947                 $hash_base = git_read_hash("$project/HEAD");
 948         }
 949         open my $fd, "-|", "$gitbin/git-ls-tree $hash" || die_error(undef, "Open git-ls-tree failed.");
 950         my (@entries) = map { chomp; $_ } <$fd>;
 951         close $fd || die_error(undef, "Reading tree failed.");
 952
 953         git_header_html();
 954         my $base_key = "";
 955         my $file_key = "";
 956         my $base = "";
 957         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
 958                 $base_key = ";hb=$hash_base";
 959                 print "<div class=\"page_nav\">\n" .
 960                       $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 961                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
 962                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
 963                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree") .
 964                       "<br/><br/>\n" .
 965                       "</div>\n";
 966                 print "<div>\n" .
 967                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
 968                       "</div>\n";
 969         } else {
 970                 print "<div class=\"page_nav\">\n";
 971                 print "<br/><br/></div>\n";
 972                 print "<div class=\"title\">$hash</div>\n";
 973         }
 974         if (defined $file_name) {
 975                 $base = "$file_name/";
 976                 print "<div class=\"page_path\">/$file_name</div>\n";
 977         } else {
 978                 print "<div class=\"page_path\">/</div>\n";
 979         }
 980         print "<div class=\"page_body\">\n";
 981         print "<table cellspacing=\"0\">\n";
 982         foreach my $line (@entries) {
 983                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 984                 $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 985                 my $t_mode = $1;
 986                 my $t_type = $2;
 987                 my $t_hash = $3;
 988                 my $t_name = $4;
 989                 $file_key = ";f=$base$t_name";
 990                 print "<tr>\n" .
 991                       "<td class=\"pre\">" . mode_str($t_mode) . "</td>\n";
 992                 if ($t_type eq "blob") {
 993                         print "<td class=\"pre\">$t_name</td>\n";
 994                         print "<td class=\"link\">" .
 995                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key}, "blob") .
 996                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base" . $file_key}, "history") .
 997                               "</td>\n";
 998                 } elsif ($t_type eq "tree") {
 999                         print "<td class=\"pre\">" .
1000                               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key}, $t_name) .
1001                               "</td>\n";
1002                 }
1003                 print "</tr>\n";
1004         }
1005         print "</table>\n" .
1006               "</div>";
1007         git_footer_html();
1008 }
1009
1010 sub git_rss {
1011         open my $fd, "-|", "$gitbin/git-rev-list --max-count=20 " . git_read_hash("$project/HEAD") || die_error(undef, "Open failed.");
1012         my (@revlist) = map { chomp; $_ } <$fd>;
1013         close $fd || die_error(undef, "Reading rev-list failed.");
1014
1015         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1016         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1017               "<rss version=\"0.91\">\n";
1018         print "<channel>\n";
1019         print "<title>$project</title>\n".
1020               "<link> $my_url/$project/log</link>\n".
1021               "<description>$project log</description>\n".
1022               "<language>en</language>\n";
1023
1024         foreach my $commit (@revlist) {
1025                 my %co = git_read_commit($commit);
1026                 my %ad = date_str($co{'author_epoch'});
1027                 print "<item>\n" .
1028                       "\t<title>" . sprintf("%d %s %02d:%02d", $ad{'mday'}, $ad{'month'}, $ad{'hour'}, $ad{'minute'}) . " - " . escapeHTML($co{'title'}) . "</title>\n" .
1029                       "\t<link> $my_url?p=$project;a=commit;h=$commit</link>\n" .
1030                       "\t<description>";
1031                 my $comment = $co{'comment'};
1032                 foreach my $line (@$comment) {
1033                         print escapeHTML($line) . "<br/>\n";
1034                 }
1035                 print "\t</description>\n" .
1036                       "</item>\n";
1037         }
1038         print "</channel></rss>";
1039 }
1040
1041 sub git_log {
1042         if (!defined $hash) {
1043                 $hash = git_read_hash("$project/HEAD");
1044         }
1045         my $limit_option = "";
1046         if (!defined $time_back) {
1047                 $limit_option = "--max-count=10";
1048         } elsif ($time_back > 0) {
1049                 my $date = time - $time_back*24*60*60;
1050                 $limit_option = "--max-age=$date";
1051         }
1052         open my $fd, "-|", "$gitbin/git-rev-list $limit_option $hash" || die_error(undef, "Open failed.");
1053         my (@revlist) = map { chomp; $_ } <$fd>;
1054         close $fd || die_error(undef, "Reading rev-list failed.");
1055
1056         git_header_html();
1057         print "<div class=\"page_nav\">\n";
1058         print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "last 10") . " | " .
1059               $cgi->a({-href => "$my_uri?p=$project;a=log;t=1"}, "day") . " | " .
1060               $cgi->a({-href => "$my_uri?p=$project;a=log;t=7"}, "week") . " | " .
1061               $cgi->a({-href => "$my_uri?p=$project;a=log;t=31"}, "month") . " | " .
1062               $cgi->a({-href => "$my_uri?p=$project;a=log;t=365"}, "year") . " | " .
1063               $cgi->a({-href => "$my_uri?p=$project;a=log;t=0"}, "all") . "<br/>\n";
1064         print "<br/>\n" .
1065               "</div>\n";
1066
1067         if (!@revlist) {
1068                 my %co = git_read_commit($hash);
1069                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1070         }
1071
1072         foreach my $commit (@revlist) {
1073                 my %co = git_read_commit($commit);
1074                 next if !%co;
1075                 my %ad = date_str($co{'author_epoch'});
1076                 print "<div>\n" .
1077                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "title"},
1078                       "<span class=\"age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
1079                       "</div>\n";
1080                 print "<div class=\"title_text\">\n" .
1081                       "<div class=\"log_link\">\n" .
1082                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1083                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
1084                       "<br/>\n" .
1085                       "</div>\n" .
1086                       "<i>" . escapeHTML($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1087                       "</div>\n" .
1088                       "<div class=\"log_body\">\n";
1089                 my $comment = $co{'comment'};
1090                 my $empty = 0;
1091                 foreach my $line (@$comment) {
1092                         if ($line =~ m/^(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1093                                 next;
1094                         }
1095                         if ($line eq "") {
1096                                 if ($empty) {
1097                                         next;
1098                                 }
1099                                 $empty = 1;
1100                         } else {
1101                                 $empty = 0;
1102                         }
1103                         print escapeHTML($line) . "<br/>\n";
1104                 }
1105                 if (!$empty) {
1106                         print "<br/>\n";
1107                 }
1108                 print "</div>\n";
1109         }
1110         git_footer_html();
1111 }
1112
1113 sub git_commit {
1114         my %co = git_read_commit($hash);
1115         if (!%co) {
1116                 die_error(undef, "Unknown commit object.");
1117         }
1118         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1119         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1120
1121         my @difftree;
1122         if (defined $co{'parent'}) {
1123                 open my $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $hash" || die_error(undef, "Open failed.");
1124                 @difftree = map { chomp; $_ } <$fd>;
1125                 close $fd || die_error(undef, "Reading diff-tree failed.");
1126         } else {
1127                 # fake git-diff-tree output for initial revision
1128                 open my $fd, "-|", "$gitbin/git-ls-tree -r $hash" || die_error(undef, "Open failed.");
1129                 @difftree = map { chomp;  "+" . $_ } <$fd>;
1130                 close $fd || die_error(undef, "Reading ls-tree failed.");
1131         }
1132         git_header_html();
1133         print "<div class=\"page_nav\">\n" .
1134               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1135               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit");
1136         if (defined $co{'parent'}) {
1137                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff");
1138         }
1139         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") . "\n" .
1140               "<br/><br/></div>\n";
1141         if (defined $co{'parent'}) {
1142                 print "<div>\n" .
1143                       $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1144                       "</div>\n";
1145         } else {
1146                 print "<div>\n" .
1147                       $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1148                       "</div>\n";
1149         }
1150         print "<div class=\"title_text\">\n" .
1151               "<table cellspacing=\"0\">\n";
1152         print "<tr><td>author</td><td>" . escapeHTML($co{'author'}) . "</td></tr>\n".
1153               "<tr><td></td><td> $ad{'rfc2822'}";
1154         if ($ad{'hour_local'} < 6) {
1155                 printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1156         } else {
1157                 printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1158         }
1159         print "</td></tr>\n";
1160         print "<tr><td>committer</td><td>" . escapeHTML($co{'committer'}) . "</td></tr>\n";
1161         print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1162         print "<tr><td>commit</td><td style=\"font-family: monospace;\">$hash</td></tr>\n";
1163         print "<tr><td>tree</td><td style=\"font-family: monospace;\">" .
1164               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, $co{'tree'}) . "</td></tr>\n";
1165         my $parents  = $co{'parents'};
1166         foreach my $par (@$parents) {
1167                 print "<tr><td>parent</td><td style=\"font-family: monospace;\">" .
1168                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, $par) . "</td></tr>\n";
1169         }
1170         print "</table>".
1171               "</div>\n";
1172         print "<div class=\"page_body\">\n";
1173         my $comment = $co{'comment'};
1174         my $empty = 0;
1175         my $signed = 0;
1176         foreach my $line (@$comment) {
1177                 # print only one empty line
1178                 if ($line eq "") {
1179                         if ($empty || $signed) {
1180                                 next;
1181                         }
1182                         $empty = 1;
1183                 } else {
1184                         $empty = 0;
1185                 }
1186                 if ($line =~ m/^(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1187                         $signed = 1;
1188                         print "<span style=\"color: #888888\">" . escapeHTML($line) . "</span><br/>\n";
1189                 } else {
1190                         $signed = 0;
1191                         print escapeHTML($line) . "<br/>\n";
1192                 }
1193         }
1194         print "</div>\n";
1195         print "<div class=\"list_head\">\n";
1196         if ($#difftree > 10) {
1197                 print(($#difftree + 1) . " files changed:\n");
1198         }
1199         print "</div>\n";
1200         foreach my $line (@difftree) {
1201                 # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
1202                 # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
1203                 # '*100664->100644      blob    b1a8e3dd5556b61dd771d32307c6ee5d7150fa43->b1a8e3dd5556b61dd771d32307c6ee5d7150fa43      show-files.c'
1204                 # '*100664->100644      blob    d08e895238bac36d8220586fdc28c27e1a7a76d3->d08e895238bac36d8220586fdc28c27e1a7a76d3      update-cache.c'
1205                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
1206                 my $op = $1;
1207                 my $mode = $2;
1208                 my $type = $3;
1209                 my $id = $4;
1210                 my $file = $5;
1211                 if ($type eq "blob") {
1212                         if ($op eq "+") {
1213                                 my $mode_chng = "";
1214                                 if (S_ISREG(oct $mode)) {
1215                                         $mode_chng = sprintf(" with mode: %04o", (oct $mode) & 0777);
1216                                 }
1217                                 print "<div class=\"list\">\n" .
1218                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"},
1219                                       escapeHTML($file) . " <span style=\"color: #008000;\">[new " . file_type($mode) . "$mode_chng]</span>") . "\n" .
1220                                       "</div>\n";
1221                                 print "<div class=\"list_link\">\n" .
1222                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, "blob") . "\n" .
1223                                       "</div>\n";
1224                         } elsif ($op eq "-") {
1225                                 print "<div class=\"list\">\n" .
1226                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"},
1227                                       escapeHTML($file) .  " <span style=\"color: #c00000;\">[deleted " . file_type($mode) . "]</span>") . "\n" .
1228                                       "</div>";
1229                                 print "<div class=\"list_link\">\n" .
1230                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, "blob") . " | " .
1231                                       $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n" .
1232                                       "</div>\n";
1233                         } elsif ($op eq "*") {
1234                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
1235                                 my $from_id = $1;
1236                                 my $to_id = $2;
1237                                 $mode =~ m/^([0-7]{6})->([0-7]{6})$/;
1238                                 my $from_mode = $1;
1239                                 my $to_mode = $2;
1240                                 my $mode_chnge = "";
1241                                 if ($from_mode != $to_mode) {
1242                                         $mode_chnge = " <span style=\"color: #777777;\">[changed";
1243                                         if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
1244                                                 $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
1245                                         }
1246                                         if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
1247                                                 if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
1248                                                         $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
1249                                                 } elsif (S_ISREG($to_mode)) {
1250                                                         $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
1251                                                 }
1252                                         }
1253                                         $mode_chnge .= "]</span>\n";
1254                                 }
1255                                 print "<div class=\"list\">\n";
1256                                 if ($to_id ne $from_id) {
1257                                         print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"},
1258                                               escapeHTML($file) . $mode_chnge) . "\n" .
1259                                               "</div>\n";
1260                                 } else {
1261                                         print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"},
1262                                               escapeHTML($file) . $mode_chnge) . "\n" .
1263                                               "</div>\n";
1264                                 }
1265                                 print "<div class=\"list_link\">\n";
1266                                 if ($to_id ne $from_id) {
1267                                         print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"}, "diff") . " | ";
1268                                 }
1269                                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "blob") . " | " .
1270                                       $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n" .
1271                                       "</div>\n";
1272                         }
1273                 }
1274         }
1275         git_footer_html();
1276 }
1277
1278 sub git_blobdiff {
1279         mkdir($gittmp, 0700);
1280         git_header_html();
1281         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1282                 print "<div class=\"page_nav\">\n" .
1283                       $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1284                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1285                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1286                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree");
1287                         if (defined $file_name) {
1288                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base;f=$file_name"}, "history");
1289                         }
1290                 print "<br/><br/>\n" .
1291                       "</div>\n";
1292                 print "<div>\n" .
1293                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1294                       "</div>\n";
1295         } else {
1296                 print "<div class=\"page_nav\">\n" .
1297                       "<br/><br/></div>\n" .
1298                       "<div class=\"title\">$hash vs $hash_parent</div>\n";
1299         }
1300         if (defined $file_name) {
1301                 print "<div class=\"page_path\">\n" .
1302                       "/$file_name\n" .
1303                       "</div>\n";
1304         }
1305         print "<div class=\"page_body\">\n" .
1306               "<div class=\"diff_info\">blob:" .
1307               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name"}, $hash_parent) .
1308               " -> blob:" .
1309               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name"}, $hash) .
1310               "</div>\n";
1311         git_diff_html($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
1312         print "</div>";
1313         git_footer_html();
1314 }
1315
1316 sub git_commitdiff {
1317         mkdir($gittmp, 0700);
1318         my %co = git_read_commit($hash);
1319         if (!%co) {
1320                 die_error(undef, "Unknown commit object.");
1321         }
1322         open my $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $hash" || die_error(undef, "Open failed.");
1323         my (@difftree) = map { chomp; $_ } <$fd>;
1324         close $fd || die_error(undef, "Reading diff-tree failed.");
1325
1326         git_header_html();
1327         print "<div class=\"page_nav\">\n" .
1328               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1329               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1330               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
1331               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" .  $co{'tree'} . ";hb=$hash"}, "tree") .
1332               "<br/><br/></div>\n";
1333         print "<div>\n" .
1334               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1335               "</div>\n";
1336         print "<div class=\"page_body\">\n";
1337         my $comment = $co{'comment'};
1338         my $empty = 0;
1339         my $signed = 0;
1340         my @log = @$comment;
1341         # remove first and empty lines after that
1342         shift @log;
1343         while (defined $log[0] && $log[0] eq "") {
1344                 shift @log;
1345         }
1346         foreach my $line (@log) {
1347                 if ($line =~ m/^(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1348                         next;
1349                 }
1350                 if ($line eq "") {
1351                         if ($empty) {
1352                                 next;
1353                         }
1354                         $empty = 1;
1355                 } else {
1356                         $empty = 0;
1357                 }
1358                 print escapeHTML($line) . "<br/>\n";
1359         }
1360         print "<br/>\n";
1361         foreach my $line (@difftree) {
1362                 # '*100644->100644      blob    8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154      Makefile'
1363                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
1364                 my $op = $1;
1365                 my $mode = $2;
1366                 my $type = $3;
1367                 my $id = $4;
1368                 my $file = $5;
1369                 if ($type eq "blob") {
1370                         if ($op eq "+") {
1371                                 print "<div class=\"diff_info\">" .  file_type($mode) . ":" .
1372                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, $id) . "(new)" .
1373                                       "</div>\n";
1374                                 git_diff_html(undef, "/dev/null", $id, "b/$file");
1375                         } elsif ($op eq "-") {
1376                                 print "<div class=\"diff_info\">" . file_type($mode) . ":" .
1377                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, $id) . "(deleted)" .
1378                                       "</div>\n";
1379                                 git_diff_html($id, "a/$file", undef, "/dev/null");
1380                         } elsif ($op eq "*") {
1381                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
1382                                 my $from_id = $1;
1383                                 my $to_id = $2;
1384                                 $mode =~ m/([0-7]+)->([0-7]+)/;
1385                                 my $from_mode = $1;
1386                                 my $to_mode = $2;
1387                                 if ($from_id ne $to_id) {
1388                                         print "<div class=\"diff_info\">" .
1389                                               file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) .
1390                                               " -> " .
1391                                               file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id);
1392                                         print "</div>\n";
1393                                         git_diff_html($from_id, "a/$file",  $to_id, "b/$file");
1394                                 }
1395                         }
1396                 }
1397         }
1398         print "<br/>\n" .
1399               "</div>";
1400         git_footer_html();
1401 }
1402
1403 sub git_history {
1404         if (!defined $hash) {
1405                 $hash = git_read_hash("$project/HEAD");
1406         }
1407         my %co = git_read_commit($hash);
1408         if (!%co) {
1409                 die_error(undef, "Unknown commit object.");
1410         }
1411         git_header_html();
1412         print "<div class=\"page_nav\">\n" .
1413               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | " .
1414               $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") . " | " .
1415               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
1416               "<br/><br/>\n" .
1417               "</div>\n";
1418         print "<div>\n" .
1419               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1420               "</div>\n";
1421         print "<div class=\"page_path\">\n" .
1422               "/$file_name<br/>\n";
1423         print "</div>\n";
1424         open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin $file_name";
1425         my $commit;
1426         while (my $line = <$fd>) {
1427                 if ($line =~ m/^([0-9a-fA-F]{40}) /){
1428                         $commit = $1;
1429                         next;
1430                 }
1431                 if ($line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/ && (defined $commit)) {
1432                         my $type = $3;
1433                         my $file = $5;
1434                         if ($file ne $file_name || $type ne "blob") {
1435                                 next;
1436                         }
1437                         my %co = git_read_commit($commit);
1438                         if (!%co) {
1439                                 next;
1440                         }
1441                         print "<div class=\"list\">\n" .
1442                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"},
1443                               "<span class=\"age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
1444                               "</div>\n";
1445                         print "<div class=\"list_link\">\n" .
1446                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1447                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" .  $co{'tree'} . ";hb=$commit"}, "tree") .
1448                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=blob;hb=$commit;f=$file"}, "blob");
1449                         my $blob = git_get_hash_by_path($hash, $file_name);
1450                         my $blob_parent = git_get_hash_by_path($commit, $file_name);
1451                         if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
1452                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file"}, "diff");
1453                         }
1454                         print "<br/>\n" .
1455                               "</div>\n";
1456                         undef $commit;
1457                 }
1458         }
1459         close $fd;
1460         git_footer_html();
1461 }