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 =           "150";
  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 @taglist;
 655
 656         opendir my $dh, "$projectroot/$project/$ref_dir";
 657         my @tags = grep !m/^\./, readdir $dh;
 658         closedir($dh);
 659         foreach my $tag_file (@tags) {
 660                 my $tag_id = git_read_hash("$project/$ref_dir/$tag_file");
 661                 my $type = git_get_type($tag_id) || next;
 662                 my %tag_item;
 663                 my %co;
 664                 if ($type eq "tag") {
 665                         my %tag = git_read_tag($tag_id);
 666                         if ($tag{'type'} eq "commit") {
 667                                 %co = git_read_commit($tag{'object'});
 668                         }
 669                         $tag_item{'type'} = $tag{'type'};
 670                         $tag_item{'name'} = $tag{'name'};
 671                         $tag_item{'id'} = $tag{'object'};
 672                 } elsif ($type eq "commit"){
 673                         %co = git_read_commit($tag_id);
 674                         $tag_item{'type'} = "commit";
 675                         $tag_item{'name'} = $tag_file;
 676                         $tag_item{'title'} = $co{'title'};
 677                         $tag_item{'id'} = $tag_id;
 678                 }
 679                 $tag_item{'epoch'} = $co{'author_epoch'} || 0;
 680                 $tag_item{'age'} = $co{'age_string'} || "unknown";
 681
 682                 push @taglist, \%tag_item;
 683         }
 684         # sort tags by age
 685         @taglist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @taglist;
 686         return \@taglist;
 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                               "</tr>";
 748                 } else {
 749                         print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "...") . "</td>\n" .
 750                         "</tr>";
 751                         last;
 752                 }
 753         }
 754         print "</table\n>" .
 755               "</div>\n";
 756
 757         my $taglist = git_read_refs("refs/tags");
 758         if (defined @$taglist) {
 759                 print "<div>\n" .
 760                       $cgi->a({-href => "$my_uri?p=$project;a=tags", -class => "title"}, "tags") .
 761                       "</div>\n";
 762                 my $i = 10;
 763                 print  "<div class=\"page_body\">\n" .
 764                        "<table cellspacing=\"0\">\n";
 765                 foreach my $entry (@$taglist) {
 766                         my %tag = %$entry;
 767                         print "<tr>\n";
 768                         if (--$i > 0) {
 769                                 print "<td>$tag{'age'}</td>\n" .
 770                                       "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}"}, escapeHTML($tag{'name'})) . "</td>\n" .
 771                                       "</tr>";
 772                         } else {
 773                                 print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=tags"}, "...") . "</td>\n" .
 774                                 "</tr>";
 775                                 last;
 776                         }
 777                 }
 778                 print "</table\n>" .
 779                       "</div>\n";
 780         }
 781
 782         my $branchlist = git_read_refs("refs/heads");
 783         if (defined @$branchlist) {
 784                 print "<div>\n" .
 785                       $cgi->a({-href => "$my_uri?p=$project;a=branches", -class => "title"}, "branches") .
 786                       "</div>\n";
 787                 my $i = 10;
 788                 print  "<div class=\"page_body\">\n" .
 789                        "<table cellspacing=\"0\">\n";
 790                 foreach my $entry (@$branchlist) {
 791                         my %tag = %$entry;
 792                         print "<tr>\n";
 793                         if (--$i > 0) {
 794                                 print "<td>$tag{'age'}</td>\n" .
 795                                       "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'id'}"}, escapeHTML($tag{'name'})) . "</td>\n" .
 796                                       "</tr>";
 797                         } else {
 798                                 print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=branches"}, "...") . "</td>\n" .
 799                                 "</tr>";
 800                                 last;
 801                         }
 802                 }
 803                 print "</table\n>" .
 804                       "</div>\n";
 805         }
 806         git_footer_html();
 807 }
 808
 809 sub git_tags {
 810         my $head = git_read_hash("$project/HEAD");
 811         git_header_html();
 812         print "<div class=\"page_nav\">\n" .
 813               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 814               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
 815               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
 816               "<br/><br/>\n" .
 817               "</div>\n";
 818         my $taglist = git_read_refs("refs/tags");
 819         print "<div>\n" .
 820               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "tags") .
 821               "</div>\n";
 822         if (defined @$taglist) {
 823                 foreach my $entry (@$taglist) {
 824                         my %tag = %$entry;
 825                         print "<div class=\"list\">\n" .
 826                               $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}"},
 827                               "<span class=\"age\">$tag{'age'}</span>" .  escapeHTML($tag{'name'})) . "\n" .
 828                               "</div>\n";
 829                 }
 830         }
 831         print "<div class=\"list\"><br/></div>\n";
 832         git_footer_html();
 833 }
 834
 835 sub git_branches {
 836         my $head = git_read_hash("$project/HEAD");
 837         git_header_html();
 838         print "<div class=\"page_nav\">\n" .
 839               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 840               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
 841               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
 842               "<br/><br/>\n" .
 843               "</div>\n";
 844         my $taglist = git_read_refs("refs/heads");
 845         print "<div>\n" .
 846               $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "branches") .
 847               "</div>\n";
 848         if (defined @$taglist) {
 849                 foreach my $entry (@$taglist) {
 850                         my %tag = %$entry;
 851                         print "<div class=\"list\">\n" .
 852                               $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'id'}"},
 853                               "<span class=\"age\">$tag{'age'}</span>" .  escapeHTML($tag{'name'})) . "\n" .
 854                               "</div>\n";
 855                 }
 856         }
 857         print "<div class=\"list\"><br/></div>\n";
 858         git_footer_html();
 859 }
 860
 861 sub git_get_hash_by_path {
 862         my $base = shift;
 863         my $path = shift;
 864
 865         my $tree = $base;
 866         my @parts = split '/', $path;
 867         while (my $part = shift @parts) {
 868                 open my $fd, "-|", "$gitbin/git-ls-tree $tree" || die_error(undef, "Open git-ls-tree failed.");
 869                 my (@entries) = map { chomp; $_ } <$fd>;
 870                 close $fd || return undef;
 871                 foreach my $line (@entries) {
 872                         #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 873                         $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 874                         my $t_mode = $1;
 875                         my $t_type = $2;
 876                         my $t_hash = $3;
 877                         my $t_name = $4;
 878                         if ($t_name eq $part) {
 879                                 if (!(@parts)) {
 880                                         return $t_hash;
 881                                 }
 882                                 if ($t_type eq "tree") {
 883                                         $tree = $t_hash;
 884                                 }
 885                                 last;
 886                         }
 887                 }
 888         }
 889 }
 890
 891 sub git_blob {
 892         if (!defined $hash && defined $file_name) {
 893                 my $base = $hash_base || git_read_hash("$project/HEAD");
 894                 $hash = git_get_hash_by_path($base, $file_name, "blob");
 895         }
 896         open my $fd, "-|", "$gitbin/git-cat-file blob $hash" || die_error(undef, "Open failed.");
 897         my $base = $file_name || "";
 898         git_header_html();
 899         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
 900                 print "<div class=\"page_nav\">\n" .
 901                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
 902                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
 903                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree");
 904                 if (defined $file_name) {
 905                         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base;f=$file_name"}, "history");
 906                 }
 907                 print "<br/><br/>\n" .
 908                       "</div>\n";
 909                 print "<div>" .
 910                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) .
 911                       "</div>\n";
 912         } else {
 913                 print "<div class=\"page_nav\">\n" .
 914                       "<br/><br/></div>\n" .
 915                       "<div class=\"title\">$hash</div>\n";
 916         }
 917         if (defined $file_name) {
 918                 print "<div class=\"page_path\">/$file_name</div>\n";
 919         }
 920         print "<div class=\"page_body\">\n";
 921         my $nr;
 922         while (my $line = <$fd>) {
 923                 chomp $line;
 924                 $nr++;
 925                 print "<div class=\"pre\">";
 926                 printf "<span style=\"color:#999999;\">%4i</span>", $nr;
 927                 print " " .escapeHTML($line) . "</div>\n";
 928         }
 929         close $fd || print "Reading blob failed.\n";
 930         print "</div>";
 931         git_footer_html();
 932 }
 933
 934 sub git_tree {
 935         if (!defined $hash) {
 936                 $hash = git_read_hash("$project/HEAD");
 937                 if (defined $file_name) {
 938                         my $base = $hash_base || git_read_hash("$project/HEAD");
 939                         $hash = git_get_hash_by_path($base, $file_name, "tree");
 940                 }
 941         }
 942         if (!defined $hash_base) {
 943                 $hash_base = git_read_hash("$project/HEAD");
 944         }
 945         open my $fd, "-|", "$gitbin/git-ls-tree $hash" || die_error(undef, "Open git-ls-tree failed.");
 946         my (@entries) = map { chomp; $_ } <$fd>;
 947         close $fd || die_error(undef, "Reading tree failed.");
 948
 949         git_header_html();
 950         my $base_key = "";
 951         my $file_key = "";
 952         my $base = "";
 953         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
 954                 $base_key = ";hb=$hash_base";
 955                 print "<div class=\"page_nav\">\n" .
 956                       $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
 957                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
 958                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
 959                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree") .
 960                       "<br/><br/>\n" .
 961                       "</div>\n";
 962                 print "<div>\n" .
 963                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
 964                       "</div>\n";
 965         } else {
 966                 print "<div class=\"page_nav\">\n";
 967                 print "<br/><br/></div>\n";
 968                 print "<div class=\"title\">$hash</div>\n";
 969         }
 970         if (defined $file_name) {
 971                 $base = "$file_name/";
 972                 print "<div class=\"page_path\">/$file_name</div>\n";
 973         } else {
 974                 print "<div class=\"page_path\">/</div>\n";
 975         }
 976         print "<div class=\"page_body\">\n";
 977         print "<table cellspacing=\"0\">\n";
 978         foreach my $line (@entries) {
 979                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 980                 $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 981                 my $t_mode = $1;
 982                 my $t_type = $2;
 983                 my $t_hash = $3;
 984                 my $t_name = $4;
 985                 $file_key = ";f=$base$t_name";
 986                 print "<tr>\n" .
 987                       "<td class=\"pre\">" . mode_str($t_mode) . "</td>\n";
 988                 if ($t_type eq "blob") {
 989                         print "<td class=\"pre\">$t_name</td>\n";
 990                         print "<td class=\"link\">" .
 991                               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key}, "blob") .
 992                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base" . $file_key}, "history") .
 993                               "</td>\n";
 994                 } elsif ($t_type eq "tree") {
 995                         print "<td class=\"pre\">" .
 996                               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key}, $t_name) .
 997                               "</td>\n";
 998                 }
 999                 print "</tr>\n";
1000         }
1001         print "</table>\n" .
1002               "</div>";
1003         git_footer_html();
1004 }
1005
1006 sub git_rss {
1007         open my $fd, "-|", "$gitbin/git-rev-list --max-count=20 " . git_read_hash("$project/HEAD") || die_error(undef, "Open failed.");
1008         my (@revlist) = map { chomp; $_ } <$fd>;
1009         close $fd || die_error(undef, "Reading rev-list failed.");
1010
1011         print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1012         print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1013               "<rss version=\"0.91\">\n";
1014         print "<channel>\n";
1015         print "<title>$project</title>\n".
1016               "<link> $my_url/$project/log</link>\n".
1017               "<description>$project log</description>\n".
1018               "<language>en</language>\n";
1019
1020         foreach my $commit (@revlist) {
1021                 my %co = git_read_commit($commit);
1022                 my %ad = date_str($co{'author_epoch'});
1023                 print "<item>\n" .
1024                       "\t<title>" . sprintf("%d %s %02d:%02d", $ad{'mday'}, $ad{'month'}, $ad{'hour'}, $ad{'minute'}) . " - " . escapeHTML($co{'title'}) . "</title>\n" .
1025                       "\t<link> $my_url?p=$project;a=commit;h=$commit</link>\n" .
1026                       "\t<description>";
1027                 my $comment = $co{'comment'};
1028                 foreach my $line (@$comment) {
1029                         print escapeHTML($line) . "<br/>\n";
1030                 }
1031                 print "\t</description>\n" .
1032                       "</item>\n";
1033         }
1034         print "</channel></rss>";
1035 }
1036
1037 sub git_log {
1038         if (!defined $hash) {
1039                 $hash = git_read_hash("$project/HEAD");
1040         }
1041         my $limit_option = "";
1042         if (!defined $time_back) {
1043                 $limit_option = "--max-count=10";
1044         } elsif ($time_back > 0) {
1045                 my $date = time - $time_back*24*60*60;
1046                 $limit_option = "--max-age=$date";
1047         }
1048         open my $fd, "-|", "$gitbin/git-rev-list $limit_option $hash" || die_error(undef, "Open failed.");
1049         my (@revlist) = map { chomp; $_ } <$fd>;
1050         close $fd || die_error(undef, "Reading rev-list failed.");
1051
1052         git_header_html();
1053         print "<div class=\"page_nav\">\n";
1054         print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "last 10") . " | " .
1055               $cgi->a({-href => "$my_uri?p=$project;a=log;t=1"}, "day") . " | " .
1056               $cgi->a({-href => "$my_uri?p=$project;a=log;t=7"}, "week") . " | " .
1057               $cgi->a({-href => "$my_uri?p=$project;a=log;t=31"}, "month") . " | " .
1058               $cgi->a({-href => "$my_uri?p=$project;a=log;t=365"}, "year") . " | " .
1059               $cgi->a({-href => "$my_uri?p=$project;a=log;t=0"}, "all") . "<br/>\n";
1060         print "<br/>\n" .
1061               "</div>\n";
1062
1063         if (!@revlist) {
1064                 my %co = git_read_commit($hash);
1065                 print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1066         }
1067
1068         foreach my $commit (@revlist) {
1069                 my %co = git_read_commit($commit);
1070                 next if !%co;
1071                 my %ad = date_str($co{'author_epoch'});
1072                 print "<div>\n" .
1073                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "title"},
1074                       "<span class=\"age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
1075                       "</div>\n";
1076                 print "<div class=\"title_text\">\n" .
1077                       "<div class=\"log_link\">\n" .
1078                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1079                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
1080                       "<br/>\n" .
1081                       "</div>\n" .
1082                       "<i>" . escapeHTML($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1083                       "</div>\n" .
1084                       "<div class=\"log_body\">\n";
1085                 my $comment = $co{'comment'};
1086                 my $empty = 0;
1087                 foreach my $line (@$comment) {
1088                         if ($line =~ m/^(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1089                                 next;
1090                         }
1091                         if ($line eq "") {
1092                                 if ($empty) {
1093                                         next;
1094                                 }
1095                                 $empty = 1;
1096                         } else {
1097                                 $empty = 0;
1098                         }
1099                         print escapeHTML($line) . "<br/>\n";
1100                 }
1101                 if (!$empty) {
1102                         print "<br/>\n";
1103                 }
1104                 print "</div>\n";
1105         }
1106         git_footer_html();
1107 }
1108
1109 sub git_commit {
1110         my %co = git_read_commit($hash);
1111         if (!%co) {
1112                 die_error(undef, "Unknown commit object.");
1113         }
1114         my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1115         my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1116
1117         my @difftree;
1118         if (defined $co{'parent'}) {
1119                 open my $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $hash" || die_error(undef, "Open failed.");
1120                 @difftree = map { chomp; $_ } <$fd>;
1121                 close $fd || die_error(undef, "Reading diff-tree failed.");
1122         } else {
1123                 # fake git-diff-tree output for initial revision
1124                 open my $fd, "-|", "$gitbin/git-ls-tree -r $hash" || die_error(undef, "Open failed.");
1125                 @difftree = map { chomp;  "+" . $_ } <$fd>;
1126                 close $fd || die_error(undef, "Reading ls-tree failed.");
1127         }
1128         git_header_html();
1129         print "<div class=\"page_nav\">\n" .
1130               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1131               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit");
1132         if (defined $co{'parent'}) {
1133                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff");
1134         }
1135         print " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") . "\n" .
1136               "<br/><br/></div>\n";
1137         if (defined $co{'parent'}) {
1138                 print "<div>\n" .
1139                       $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1140                       "</div>\n";
1141         } else {
1142                 print "<div>\n" .
1143                       $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1144                       "</div>\n";
1145         }
1146         print "<div class=\"title_text\">\n" .
1147               "<table cellspacing=\"0\">\n";
1148         print "<tr><td>author</td><td>" . escapeHTML($co{'author'}) . "</td></tr>\n".
1149               "<tr><td></td><td> $ad{'rfc2822'}";
1150         if ($ad{'hour_local'} < 6) {
1151                 printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1152         } else {
1153                 printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1154         }
1155         print "</td></tr>\n";
1156         print "<tr><td>committer</td><td>" . escapeHTML($co{'committer'}) . "</td></tr>\n";
1157         print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1158         print "<tr><td>commit</td><td style=\"font-family: monospace;\">$hash</td></tr>\n";
1159         print "<tr><td>tree</td><td style=\"font-family: monospace;\">" .
1160               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, $co{'tree'}) . "</td></tr>\n";
1161         my $parents  = $co{'parents'};
1162         foreach my $par (@$parents) {
1163                 print "<tr><td>parent</td><td style=\"font-family: monospace;\">" .
1164                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, $par) . "</td></tr>\n";
1165         }
1166         print "</table>".
1167               "</div>\n";
1168         print "<div class=\"page_body\">\n";
1169         my $comment = $co{'comment'};
1170         my $empty = 0;
1171         my $signed = 0;
1172         foreach my $line (@$comment) {
1173                 # print only one empty line
1174                 if ($line eq "") {
1175                         if ($empty || $signed) {
1176                                 next;
1177                         }
1178                         $empty = 1;
1179                 } else {
1180                         $empty = 0;
1181                 }
1182                 if ($line =~ m/^(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1183                         $signed = 1;
1184                         print "<span style=\"color: #888888\">" . escapeHTML($line) . "</span><br/>\n";
1185                 } else {
1186                         $signed = 0;
1187                         print escapeHTML($line) . "<br/>\n";
1188                 }
1189         }
1190         print "</div>\n";
1191         print "<div class=\"list_head\">\n";
1192         if ($#difftree > 10) {
1193                 print(($#difftree + 1) . " files changed:\n");
1194         }
1195         print "</div>\n";
1196         foreach my $line (@difftree) {
1197                 # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
1198                 # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
1199                 # '*100664->100644      blob    b1a8e3dd5556b61dd771d32307c6ee5d7150fa43->b1a8e3dd5556b61dd771d32307c6ee5d7150fa43      show-files.c'
1200                 # '*100664->100644      blob    d08e895238bac36d8220586fdc28c27e1a7a76d3->d08e895238bac36d8220586fdc28c27e1a7a76d3      update-cache.c'
1201                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
1202                 my $op = $1;
1203                 my $mode = $2;
1204                 my $type = $3;
1205                 my $id = $4;
1206                 my $file = $5;
1207                 if ($type eq "blob") {
1208                         if ($op eq "+") {
1209                                 my $mode_chng = "";
1210                                 if (S_ISREG(oct $mode)) {
1211                                         $mode_chng = sprintf(" with mode: %04o", (oct $mode) & 0777);
1212                                 }
1213                                 print "<div class=\"list\">\n" .
1214                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"},
1215                                       escapeHTML($file) . " <span style=\"color: #008000;\">[new " . file_type($mode) . "$mode_chng]</span>") . "\n" .
1216                                       "</div>\n";
1217                                 print "<div class=\"list_link\">\n" .
1218                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, "blob") . "\n" .
1219                                       "</div>\n";
1220                         } elsif ($op eq "-") {
1221                                 print "<div class=\"list\">\n" .
1222                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"},
1223                                       escapeHTML($file) .  " <span style=\"color: #c00000;\">[deleted " . file_type($mode) . "]</span>") . "\n" .
1224                                       "</div>";
1225                                 print "<div class=\"list_link\">\n" .
1226                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, "blob") . " | " .
1227                                       $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n" .
1228                                       "</div>\n";
1229                         } elsif ($op eq "*") {
1230                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
1231                                 my $from_id = $1;
1232                                 my $to_id = $2;
1233                                 $mode =~ m/^([0-7]{6})->([0-7]{6})$/;
1234                                 my $from_mode = $1;
1235                                 my $to_mode = $2;
1236                                 my $mode_chnge = "";
1237                                 if ($from_mode != $to_mode) {
1238                                         $mode_chnge = " <span style=\"color: #777777;\">[changed";
1239                                         if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
1240                                                 $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
1241                                         }
1242                                         if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
1243                                                 if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
1244                                                         $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
1245                                                 } elsif (S_ISREG($to_mode)) {
1246                                                         $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
1247                                                 }
1248                                         }
1249                                         $mode_chnge .= "]</span>\n";
1250                                 }
1251                                 print "<div class=\"list\">\n";
1252                                 if ($to_id ne $from_id) {
1253                                         print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"},
1254                                               escapeHTML($file) . $mode_chnge) . "\n" .
1255                                               "</div>\n";
1256                                 } else {
1257                                         print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"},
1258                                               escapeHTML($file) . $mode_chnge) . "\n" .
1259                                               "</div>\n";
1260                                 }
1261                                 print "<div class=\"list_link\">\n";
1262                                 if ($to_id ne $from_id) {
1263                                         print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"}, "diff") . " | ";
1264                                 }
1265                                 print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "blob") . " | " .
1266                                       $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n" .
1267                                       "</div>\n";
1268                         }
1269                 }
1270         }
1271         git_footer_html();
1272 }
1273
1274 sub git_blobdiff {
1275         mkdir($gittmp, 0700);
1276         git_header_html();
1277         if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1278                 print "<div class=\"page_nav\">\n" .
1279                       $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1280                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
1281                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
1282                       " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree");
1283                         if (defined $file_name) {
1284                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base;f=$file_name"}, "history");
1285                         }
1286                 print "<br/><br/>\n" .
1287                       "</div>\n";
1288                 print "<div>\n" .
1289                       $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1290                       "</div>\n";
1291         } else {
1292                 print "<div class=\"page_nav\">\n" .
1293                       "<br/><br/></div>\n" .
1294                       "<div class=\"title\">$hash vs $hash_parent</div>\n";
1295         }
1296         if (defined $file_name) {
1297                 print "<div class=\"page_path\">\n" .
1298                       "/$file_name\n" .
1299                       "</div>\n";
1300         }
1301         print "<div class=\"page_body\">\n" .
1302               "<div class=\"diff_info\">blob:" .
1303               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name"}, $hash_parent) .
1304               " -> blob:" .
1305               $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name"}, $hash) .
1306               "</div>\n";
1307         git_diff_html($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
1308         print "</div>";
1309         git_footer_html();
1310 }
1311
1312 sub git_commitdiff {
1313         mkdir($gittmp, 0700);
1314         my %co = git_read_commit($hash);
1315         if (!%co) {
1316                 die_error(undef, "Unknown commit object.");
1317         }
1318         open my $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $hash" || die_error(undef, "Open failed.");
1319         my (@difftree) = map { chomp; $_ } <$fd>;
1320         close $fd || die_error(undef, "Reading diff-tree failed.");
1321
1322         git_header_html();
1323         print "<div class=\"page_nav\">\n" .
1324               $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
1325               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
1326               " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
1327               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" .  $co{'tree'} . ";hb=$hash"}, "tree") .
1328               "<br/><br/></div>\n";
1329         print "<div>\n" .
1330               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1331               "</div>\n";
1332         print "<div class=\"page_body\">\n";
1333         my $comment = $co{'comment'};
1334         my $empty = 0;
1335         my $signed = 0;
1336         foreach my $line (@$comment) {
1337                 if ($line =~ m/^(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1338                         next;
1339                 }
1340                 if ($line eq "") {
1341                         if ($empty) {
1342                                 next;
1343                         }
1344                         $empty = 1;
1345                 } else {
1346                         $empty = 0;
1347                 }
1348                 print escapeHTML($line) . "<br/>\n";
1349         }
1350         print "<br/>\n";
1351         foreach my $line (@difftree) {
1352                 # '*100644->100644      blob    8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154      Makefile'
1353                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
1354                 my $op = $1;
1355                 my $mode = $2;
1356                 my $type = $3;
1357                 my $id = $4;
1358                 my $file = $5;
1359                 if ($type eq "blob") {
1360                         if ($op eq "+") {
1361                                 print "<div class=\"diff_info\">" .  file_type($mode) . ":" .
1362                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, $id) . "(new)" .
1363                                       "</div>\n";
1364                                 git_diff_html(undef, "/dev/null", $id, "b/$file");
1365                         } elsif ($op eq "-") {
1366                                 print "<div class=\"diff_info\">" . file_type($mode) . ":" .
1367                                       $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, $id) . "(deleted)" .
1368                                       "</div>\n";
1369                                 git_diff_html($id, "a/$file", undef, "/dev/null");
1370                         } elsif ($op eq "*") {
1371                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
1372                                 my $from_id = $1;
1373                                 my $to_id = $2;
1374                                 $mode =~ m/([0-7]+)->([0-7]+)/;
1375                                 my $from_mode = $1;
1376                                 my $to_mode = $2;
1377                                 if ($from_id ne $to_id) {
1378                                         print "<div class=\"diff_info\">" .
1379                                               file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) .
1380                                               " -> " .
1381                                               file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id);
1382                                         print "</div>\n";
1383                                         git_diff_html($from_id, "a/$file",  $to_id, "b/$file");
1384                                 }
1385                         }
1386                 }
1387         }
1388         print "<br/>\n" .
1389               "</div>";
1390         git_footer_html();
1391 }
1392
1393 sub git_history {
1394         if (!defined $hash) {
1395                 $hash = git_read_hash("$project/HEAD");
1396         }
1397         my %co = git_read_commit($hash);
1398         if (!%co) {
1399                 die_error(undef, "Unknown commit object.");
1400         }
1401         git_header_html();
1402         print "<div class=\"page_nav\">\n" .
1403               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | " .
1404               $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") . " | " .
1405               $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
1406               "<br/><br/>\n" .
1407               "</div>\n";
1408         print "<div>\n" .
1409               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
1410               "</div>\n";
1411         print "<div class=\"page_path\">\n" .
1412               "/$file_name<br/>\n";
1413         print "</div>\n";
1414         open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin $file_name";
1415         my $commit;
1416         while (my $line = <$fd>) {
1417                 if ($line =~ m/^([0-9a-fA-F]{40}) /){
1418                         $commit = $1;
1419                         next;
1420                 }
1421                 if ($line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/ && (defined $commit)) {
1422                         my $type = $3;
1423                         my $file = $5;
1424                         if ($file ne $file_name || $type ne "blob") {
1425                                 next;
1426                         }
1427                         my %co = git_read_commit($commit);
1428                         if (!%co) {
1429                                 next;
1430                         }
1431                         print "<div class=\"list\">\n" .
1432                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"},
1433                               "<span class=\"age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
1434                               "</div>\n";
1435                         print "<div class=\"list_link\">\n" .
1436                               $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
1437                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" .  $co{'tree'} . ";hb=$commit"}, "tree") .
1438                               " | " . $cgi->a({-href => "$my_uri?p=$project;a=blob;hb=$commit;f=$file"}, "blob");
1439                         my $blob = git_get_hash_by_path($hash, $file_name);
1440                         my $blob_parent = git_get_hash_by_path($commit, $file_name);
1441                         if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
1442                                 print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file"}, "diff");
1443                         }
1444                         print "<br/>\n" .
1445                               "</div>\n";
1446                         undef $commit;
1447                 }
1448         }
1449         close $fd;
1450         git_footer_html();
1451 }