gitweb.pl

   1 #!/usr/bin/perl
   2
   3 # gitweb.pl - simple web interface to track changes in git repositories
   4 #
   5 # Version 021
   6 #
   7 # (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
   8 # (C) 2005, Christian Gierke <ch@gierke.de>
   9 #
  10 # This file is licensed under the GPL v2, or a later version
  11
  12 use strict;
  13 use warnings;
  14 use CGI qw(:standard :escapeHTML);
  15 use CGI::Carp qw(fatalsToBrowser);
  16
  17 my $projectroot =       "/home/kay/public_html";
  18 my $defaultprojects =   ".";
  19 my $gitbin =            "/home/kay/bin/git";
  20 my $gittmp =            "/tmp";
  21
  22 my $cgi = new CGI;
  23 my $project = "";
  24 my $action = "";
  25 my $hash = "";
  26 my $hash_parent = "";
  27 my $view_back;
  28 my $myself = $cgi->url(-absolute => 1);
  29 my $url_parm = $cgi->url(-path => 1);
  30 $url_parm =~ s/.*$myself//;
  31
  32 # get values from url
  33 if ($url_parm =~ m#/(.+)/commit/([0-9a-fA-F]+)$#) {
  34         $project = $1;
  35         $action = "commit";
  36         $hash = $2;
  37 } elsif ($url_parm =~ m#/(.+)/commitdiff/([0-9a-fA-F]+)$#) {
  38         $project = $1;
  39         $action = "commitdiff";
  40         $hash = $2;
  41 } elsif ($url_parm =~ m#/(.+)/blobdiff/([0-9a-fA-F]+)/([0-9a-fA-F]+)$#) {
  42         $project = $1;
  43         $action = "blobdiff";
  44         $hash = $2;
  45         $hash_parent = $3;
  46 } elsif ($url_parm =~ m#/(.+)/blob/([0-9a-fA-F]+)$#) {
  47         $project = $1;
  48         $action = "blob";
  49         $hash = $2;
  50 } elsif ($url_parm =~ m#/(.+)/tree/([0-9a-fA-F]+)$#) {
  51         $project = $1;
  52         $action = "tree";
  53         $hash = $2;
  54 } elsif ($url_parm =~ m#/(.+)/log/([0-9]+)$#) {
  55         $project = $1;
  56         $action = "log";
  57         $view_back = $2;
  58 } elsif ($url_parm =~ m#/(.+)/log$#) {
  59         $project = $1;
  60         $action = "log";
  61         $view_back = 1;
  62 } elsif ($url_parm =~ m#/(.+)/rss$#) {
  63         $project = $1;
  64         $action = "rss";
  65         $view_back = 1;
  66 } elsif ($url_parm =~ m#/git-logo.png$#) {
  67         print $cgi->header(-type => 'image/png');
  68         print   "\211\120\116\107\015\012\032\012\000\000\000\015\111\110\104\122".
  69                 "\000\000\000\110\000\000\000\033\004\003\000\000\000\055\331\324".
  70                 "\055\000\000\000\030\120\114\124\105\377\377\377\140\140\135\260".
  71                 "\257\252\000\200\000\316\315\307\300\000\000\350\350\346\367\367".
  72                 "\366\225\014\247\107\000\000\000\163\111\104\101\124\050\317\143".
  73                 "\110\147\040\004\112\134\030\012\010\052\142\123\141\040\002\010".
  74                 "\015\151\105\254\241\241\001\060\014\223\140\066\046\122\221\261".
  75                 "\001\021\326\341\125\144\154\154\314\154\154\014\242\014\160\052".
  76                 "\142\006\052\301\142\035\263\001\002\123\244\010\350\000\003\030".
  77                 "\046\126\021\324\341\040\227\033\340\264\016\065\044\161\051\202".
  78                 "\231\060\270\223\012\021\271\105\210\301\215\240\242\104\041\006".
  79                 "\047\101\202\100\205\301\105\211\040\160\001\000\244\075\041\305".
  80                 "\022\034\232\376\000\000\000\000\111\105\116\104\256\102\140\202";
  81         exit;
  82 } elsif ($url_parm =~ m#/(.+)$#) {
  83         $project = $1;
  84         $action = "log";
  85         $view_back = 1;
  86 }
  87
  88 # sanitize input
  89 $project =~ s#\/\.+##g;
  90
  91 $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/.git/objects";
  92
  93 sub git_header_html {
  94         print $cgi->header(-type => 'text/html; charset: utf-8');
  95 print <<EOF;
  96 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
  97 <html>
  98 <head>
  99         <title>git - $project $action</title>
 100   <link rel="alternate" title="$project log" href="$myself/$project/rss" type="application/rss+xml">
 101         <style type="text/css">
 102                 body { font-family: sans-serif; font-size: 12px; margin:25px; }
 103                 div.body { border-width:1px; border-style:solid; border-color:#D9D8D1; }
 104                 div.head1 { font-size:20px; padding:8px; background-color: #D9D8D1; font-weight:bold; }
 105                 div.head1 a:visited { color:#0000cc; }
 106                 div.head1 a:hover { color:#880000; }
 107                 div.head1 a:active { color:#880000; }
 108                 div.head2 { padding:8px; }
 109                 div.head2 a:visited { color:#0000cc; }
 110                 div.head2 a:hover { color:#880000; }
 111                 div.head2 a:active { color:#880000; }
 112                 div.title { padding:8px; background-color: #D9D8D1; font-weight:bold; }
 113                 table { padding:0px; margin:0px; width:100%; }
 114                 tr { vertical-align:top; }
 115                 td { padding:8px; margin:0px; font-family: sans-serif; font-size: 12px; }
 116                 td.head1 { background-color: #D9D8D1; font-weight:bold; }
 117                 td.head1 a { color:#000000; text-decoration:none; }
 118                 td.head1 a:hover { color:#880000; text-decoration:underline; }
 119                 td.head1 a:visited { color:#000000; }
 120                 td.head2 { background-color: #EDECE6; font-family: monospace; font-size:12px; }
 121                 td.head3 { background-color: #EDECE6; font-size:10px; }
 122                 div.signed_off { color: #a9a8a1; }
 123                 a { color:#0000cc; }
 124                 a:hover { color:#880000; }
 125                 a:visited { color:#880000; }
 126                 a:active { color:#880000; }
 127                 pre { padding:8px; }
 128         </style>
 129 </head>
 130 <body>
 131 EOF
 132         print "<div class=\"body\">\n";
 133         print "<div class=\"head1\">";
 134         print "<a href=\"http://kernel.org/pub/software/scm/git/\"><img src=\"$myself/git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
 135         if ($defaultprojects ne "") {
 136                 print $cgi->a({-href => "$myself"}, "projects") . " / ";
 137         }
 138         if ($project ne "") {
 139                 print $cgi->a({-href => "$myself/$project/log"}, $project);
 140         }
 141         if ($action ne "") {
 142                 print " / $action";
 143         }
 144         print "</div>\n";
 145 }
 146
 147 sub git_footer_html {
 148         print "</div>";
 149         print $cgi->end_html();
 150 }
 151
 152 sub git_head {
 153         open my $fd, "$projectroot/$project/.git/HEAD";
 154         my $head = <$fd>;
 155         close $fd;
 156         chomp $head;
 157         return $head;
 158 }
 159
 160 sub git_commit {
 161         my $commit = shift;
 162         my %co;
 163         my @parents;
 164
 165         open my $fd, "-|", "$gitbin/cat-file", "commit", $commit;
 166         while (my $line = <$fd>) {
 167                 chomp($line);
 168                 last if $line eq "";
 169                 if ($line =~ m/^tree (.*)$/) {
 170                         $co{'tree'} = $1;
 171                 } elsif ($line =~ m/^parent (.*)$/) {
 172                         push @parents, $1;
 173                 } elsif ($line =~ m/^committer (.*>) ([0-9]+) (.*)$/) {
 174                         $co{'committer'} = $1;
 175                         $co{'committer_time'} = $2;
 176                         $co{'committer_timezone'} = $3;
 177                 } elsif ($line =~ m/^author (.*>) ([0-9]+) (.*)$/) {
 178                         $co{'author'} = $1;
 179                         $co{'author_time'} = $2;
 180                         $co{'author_timezone'} = $3;
 181                 }
 182         }
 183         $co{'parents'} = \@parents;
 184         my (@comment) = map { chomp; $_ } <$fd>;
 185         $co{'comment'} = \@comment;
 186         $co{'title'} = $comment[0];
 187         close $fd;
 188         return %co;
 189 }
 190
 191 sub git_diff {
 192         my $old_name = shift || "/dev/null";
 193         my $new_name = shift || "/dev/null";
 194         my $old = shift;
 195         my $new = shift;
 196
 197         my $tmp_old = "/dev/null";
 198         my $tmp_new = "/dev/null";
 199         my $old_label = "/dev/null";
 200         my $new_label = "/dev/null";
 201
 202         # create temp from-file
 203         if ($old ne "") {
 204                 open my $fd2, "> $gittmp/$old";
 205                 open my $fd, "-|", "$gitbin/cat-file", "blob", $old;
 206                 while (my $line = <$fd>) {
 207                         print $fd2 $line;
 208                 }
 209                 close $fd2;
 210                 close $fd;
 211                 $tmp_old = "$gittmp/$old";
 212                 $old_label = "a/$old_name";
 213         }
 214
 215         # create tmp to-file
 216         if ($new ne "") {
 217                 open my $fd2, "> $gittmp/$new";
 218                 open my $fd, "-|", "$gitbin/cat-file", "blob", $new;
 219                 while (my $line = <$fd>) {
 220                         print $fd2 $line;
 221                 }
 222                 close $fd2;
 223                 close $fd;
 224                 $tmp_new = "$gittmp/$new";
 225                 $new_label = "b/$new_name";
 226         }
 227
 228         open my $fd, "-|", "/usr/bin/diff", "-L", $old_label, "-L", $new_label, "-u", "-p", $tmp_old, $tmp_new;
 229         print "<span style =\"color: #000099;\">===== ";
 230         if ($old ne "") {
 231                 print $cgi->a({-href => "$myself/$project/blob/$old"}, $old);
 232         } else {
 233                 print $old_name;
 234         }
 235         print " vs ";
 236         if ($new ne "") {
 237                 print $cgi->a({-href => "$myself/$project/blob/$new"}, $new);
 238         } else {
 239                 print $new_name;
 240         }
 241         print " =====</span>\n";
 242         while (my $line = <$fd>) {
 243                 my $char = substr($line,0,1);
 244                 print '<span style ="color: #008800;">' if $char eq '+';
 245                 print '<span style ="color: #CC0000;">' if $char eq '-';
 246                 print '<span style ="color: #990099;">' if $char eq '@';
 247                 print escapeHTML($line);
 248                 print '</span>' if $char eq '+' or $char eq '-' or $char eq '@';
 249         }
 250         close $fd;
 251         unlink("$gittmp/$new");
 252         unlink("$gittmp/$old");
 253 }
 254
 255 if ($project eq "") {
 256         opendir(my $fd, "$projectroot/$defaultprojects");
 257         my (@path) = grep(!/^\./, readdir($fd));
 258         closedir($fd);
 259         git_header_html();
 260         print "<div class=\"head2\">\n";
 261         print "<br/><br/>\n";
 262         foreach my $line (@path) {
 263                 if (-e "$projectroot/$defaultprojects/$line/.git/HEAD") {
 264                         print $cgi->a({-href => "$myself/$defaultprojects/$line/log"}, $line) . "<br/>\n";
 265                 }
 266         }
 267         print "</div><br/>";
 268         git_footer_html();
 269         exit;
 270 }
 271
 272 if ($action eq "blob") {
 273         git_header_html();
 274         print "<br/><br/>\n";
 275         print "<pre>\n";
 276         open my $fd, "-|", "$gitbin/cat-file", "blob", $hash;
 277         my $nr;
 278         while (my $line = <$fd>) {
 279                 $nr++;
 280                 print "$nr\t" . escapeHTML($line);;
 281         }
 282         close $fd;
 283         print "</pre>\n";
 284         print "<br/>";
 285         git_footer_html();
 286 } elsif ($action eq "tree") {
 287         if ($hash eq "") {
 288                 $hash = git_head();
 289         }
 290         open my $fd, "-|", "$gitbin/ls-tree", $hash;
 291         my (@entries) = map { chomp; $_ } <$fd>;
 292         close $fd;
 293         git_header_html();
 294         print "<br/><br/>\n";
 295         print "<pre>\n";
 296         foreach my $line (@entries) {
 297                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 298                 $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 299                 my $t_type = $2;
 300                 my $t_hash = $3;
 301                 my $t_name = $4;
 302                 if ($t_type eq "blob") {
 303                         print "BLOB\t" . $cgi->a({-href => "$myself/$project/blob/$3"}, $4) . "\n";
 304                 } elsif ($t_type eq "tree") {
 305                         print "TREE\t" . $cgi->a({-href => "$myself/$project/tree/$3"}, $4) . "\n";
 306                 }
 307         }
 308         print "</pre>\n";
 309         print "<br/>";
 310         git_footer_html();
 311 } elsif ($action eq "log" || $action eq "rss") {
 312         open my $fd, "-|", "$gitbin/rev-tree", git_head();
 313         my (@revtree) = reverse sort map { chomp; $_ } <$fd>;
 314         close $fd;
 315
 316         if ($action eq "log") {
 317                 git_header_html();
 318                 print "<div class=\"head2\">\n";
 319                 print "view  ";
 320                 print $cgi->a({-href => "$myself/$project/log"}, "last day") . " | ";
 321                 print $cgi->a({-href => "$myself/$project/log/7"}, "week") . " | ";
 322                 print $cgi->a({-href => "$myself/$project/log/31"}, "month") . " | ";
 323                 print $cgi->a({-href => "$myself/$project/log/365"}, "year") . " | ";
 324                 print $cgi->a({-href => "$myself/$project/log/0"}, "all") . "<br/>\n";
 325                 print "<br/><br/>\n";
 326                 print "</div>\n";
 327                 print "<table cellspacing=\"0\" class=\"log\">\n";
 328         } elsif ($action eq "rss") {
 329                 print $cgi->header(-type => 'text/xml; charset: utf-8');
 330                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
 331                       "<rss version=\"0.91\">\n";
 332                 print "<channel>\n";
 333                 print "<title>$project</title>\n".
 334                       "<link> " . $cgi->url() . "/$project/log</link>\n".
 335                       "<description>$project log</description>\n".
 336                       "<language>en</language>\n";
 337         }
 338
 339         for (my $i = 0; $i <= $#revtree; $i++) {
 340                 my $rev = $revtree[$i];
 341                 #foreach my $rev (@revtree) {
 342                 # '1114106118 755e3010ee10dadf42a8a80770e1b115fb038d9b:1 2af17b4854036a1c2ec6c101d93c8dd1ed80d24e:1'
 343                 last if !($rev =~ m/^([0-9]+) ([0-9a-fA-F]+).* ([0-9a-fA-F]+)/);
 344                 my $time = $1;
 345                 my $commit = $2;
 346                 my $parent = $3;
 347
 348                 my %co = git_commit($commit);
 349                 my $age = time - $co{'committer_time'};
 350                 my $age_string;
 351                 if ($age > 60*60*24*365*2) {
 352                         $age_string = int $age/60/60/24/365;
 353                         $age_string .= " years ago";
 354                 } elsif ($age > 60*60*24*365/12*2) {
 355                         $age_string = int $age/60/60/24/365/12;
 356                         $age_string .= " months ago";
 357                 } elsif ($age > 60*60*24*7*2) {
 358                         $age_string = int $age/60/60/24/7;
 359                         $age_string .= " weeks ago";
 360                 } elsif ($age > 60*60*24*2) {
 361                         $age_string = int $age/60/60/24;
 362                         $age_string .= " days ago";
 363                 } elsif ($age > 60*60*2) {
 364                         $age_string = int $age/60/60;
 365                         $age_string .= " hours ago";
 366                 } elsif ($age > 60*2) {
 367                         $age_string = int $age/60;
 368                         $age_string .= " minutes ago";
 369                 }
 370                 if ($action eq "log") {
 371                         if ($view_back > 0 && $age > $view_back*60*60*24) {
 372                                 if ($i == 0) {
 373                                         print "<tr>\n";
 374                                         print "<td class=\"head1\"> Last change $age_string. </td>\n";
 375                                         print "</tr>\n";
 376                                 }
 377                                 last;
 378                         }
 379                         print "<tr>\n";
 380                         print "<td class=\"head1\">" . $age_string . "</td>\n";
 381                         print "<td class=\"head1\">" . $cgi->a({-href => "$myself/$project/commit/$commit"}, $co{'title'}) . "</td>";
 382                         print "</tr>\n";
 383                         print "<tr>\n";
 384                         print "<td class=\"head3\">";
 385                         print $cgi->a({-href => "$myself/$project/commitdiff/$commit"}, "view diff") . "<br/>\n";
 386                         print $cgi->a({-href => "$myself/$project/commit/$commit"}, "view commit") . "<br/>\n";
 387                         print $cgi->a({-href => "$myself/$project/tree/$co{'tree'}"}, "view tree") . "<br/>\n";
 388                         print "</td>\n";
 389                         print "<td class=\"head2\">\n";
 390                         print "author &nbsp; &nbsp;" . escapeHTML($co{'author'}) . " [" . gmtime($co{'author_time'}) . " " . $co{'author_timezone'} . "]<br/>\n";
 391                         print "committer " . escapeHTML($co{'committer'}) . " [" . gmtime($co{'committer_time'}) . " " . $co{'committer_timezone'} . "]<br/>\n";
 392                         print "commit &nbsp; &nbsp;$commit<br/>\n";
 393                         print "tree &nbsp; &nbsp; &nbsp;$co{'tree'}<br/>\n";
 394                         my $parents  = $co{'parents'};
 395                         foreach my $par (@$parents) {
 396                                 print "parent &nbsp; &nbsp;$par<br/>\n";
 397                         }
 398                         print "</td>";
 399                         print "</tr>\n";
 400                         print "<tr>\n";
 401                         print "<td></td>\n";
 402                         print "<td>\n";
 403                         my $comment = $co{'comment'};
 404                         foreach my $line (@$comment) {
 405                                 if ($line =~ m/signed-off-by:/i) {
 406                                         print '<div class="signed_off">' . escapeHTML($line) . "<br/></div>\n";
 407                                 } else {
 408                                         print escapeHTML($line) . "<br/>\n";
 409                                 }
 410                         }
 411                         print "<br/><br/>\n";
 412                         print "</td>";
 413                         print "</tr>\n";
 414                 } elsif ($action eq "rss") {
 415                         last if ($i >= 12);
 416                         print "<item>\n\t<title>$age_string: " . escapeHTML($co{'title'}) . "</title>\n";
 417                         print "\t<link> " . $cgi->url() . "/$project/commit/$commit</link>\n";
 418                         print "</item>\n";
 419                 }
 420         }
 421         if ($action eq "log") {
 422                 print "</table>\n";
 423                 git_footer_html();
 424         } elsif ($action eq "rss") {
 425                 print "</channel></rss>";
 426         }
 427 } elsif ($action eq "commit") {
 428         my $parent = "";
 429         open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
 430         while (my $line = <$fd>) {
 431                 chomp($line);
 432                 last if $line eq "";
 433                 if ($line =~ m/^parent (.*)$/ && $parent eq "") {
 434                         $parent = $1;
 435                 }
 436         }
 437         my $title = <$fd>;
 438         $title = escapeHTML($title);
 439         close $fd;
 440
 441         open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
 442         my (@difftree) = map { chomp; $_ } <$fd>;
 443         close $fd;
 444
 445         git_header_html();
 446         print "<div class=\"head2\">\n";
 447         print "view " . $cgi->a({-href => "$myself/$project/commitdiff/$hash"}, "diff") . "</div><br/><br/>\n";
 448         print "<div class=\"title\">$title<br/></div>\n";
 449         print "<pre>\n";
 450         foreach my $line (@difftree) {
 451                 # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
 452                 # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
 453                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 454                 my $op = $1;
 455                 my $mode = $2;
 456                 my $type = $3;
 457                 my $id = $4;
 458                 my $file = $5;
 459                 if ($type eq "blob") {
 460                         if ($op eq "+") {
 461                                 print "added\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
 462                         } elsif ($op eq "-") {
 463                                 print "removed\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
 464                         } elsif ($op eq "*") {
 465                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 466                                 my $old = $1;
 467                                 my $new = $2;
 468                                 print "changed\t" . $cgi->a({-href => "$myself/$project/blobdiff/$old/$new"}, $file) . "\n";
 469                         }
 470                 }
 471         }
 472         print "</pre>\n";
 473         print "<br/>";
 474         git_footer_html();
 475 } elsif ($action eq "blobdiff") {
 476         git_header_html();
 477         print "<br/><br/>\n";
 478         print "<pre>\n";
 479         git_diff($hash, $hash_parent, $hash, $hash_parent);
 480         print "</pre>\n";
 481         print "<br/>";
 482         git_footer_html();
 483 } elsif ($action eq "commitdiff") {
 484         my $parent = "";
 485         open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
 486         while (my $line = <$fd>) {
 487                 chomp($line);
 488                 last if $line eq "";
 489                 if ($line =~ m/^parent (.*)$/ && $parent eq "") {
 490                         $parent = $1;
 491                 }
 492         }
 493         my $title = <$fd>;
 494         $title = escapeHTML($title);
 495         close $fd;
 496
 497         open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
 498         my (@difftree) = map { chomp; $_ } <$fd>;
 499         close $fd;
 500
 501         git_header_html();
 502         print "<div class=\"head2\">\n";
 503         print "view " . $cgi->a({-href => "$myself/$project/commit/$hash"}, "commit") . "</div><br/><br/>\n";
 504         print "<div class=\"title\">$title<br/></div>\n";
 505         print "<pre>\n";
 506         foreach my $line (@difftree) {
 507                 # '*100644->100644      blob    8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154      Makefile'
 508                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 509                 my $op = $1;
 510                 my $mode = $2;
 511                 my $type = $3;
 512                 my $id = $4;
 513                 my $file = $5;
 514                 if ($type eq "blob") {
 515                         if ($op eq "+") {
 516                                 git_diff("", $file, "", $id);
 517                         } elsif ($op eq "-") {
 518                                 git_diff($file, "", $id, "");
 519                         } elsif ($op eq "*") {
 520                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 521                                 git_diff($file, $file, $1, $2);
 522                         }
 523                 }
 524         }
 525         print "</pre>\n";
 526         print "<br/>";
 527         git_footer_html();
 528 }