gitweb.pl

   1 #!/usr/bin/perl
   2
   3 # gitweb.pl - simple web interface to track changes in git repositories
   4 #
   5 # Version 020
   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#/(.+)/treediff/([0-9a-fA-F]+)$#) {
  38         $project = $1;
  39         $action = "treediff";
  40         $hash = $2;
  41 } elsif ($url_parm =~ m#/(.+)/diff/([0-9a-fA-F]+)/([0-9a-fA-F]+)$#) {
  42         $project = $1;
  43         $action = "diff";
  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#/git-logo.png$#) {
  63         print $cgi->header(-type => 'image/png');
  64         print   "\211\120\116\107\015\012\032\012\000\000\000\015\111\110\104\122".
  65                 "\000\000\000\110\000\000\000\033\004\003\000\000\000\055\331\324".
  66                 "\055\000\000\000\030\120\114\124\105\377\377\377\140\140\135\260".
  67                 "\257\252\000\200\000\316\315\307\300\000\000\350\350\346\367\367".
  68                 "\366\225\014\247\107\000\000\000\163\111\104\101\124\050\317\143".
  69                 "\110\147\040\004\112\134\030\012\010\052\142\123\141\040\002\010".
  70                 "\015\151\105\254\241\241\001\060\014\223\140\066\046\122\221\261".
  71                 "\001\021\326\341\125\144\154\154\314\154\154\014\242\014\160\052".
  72                 "\142\006\052\301\142\035\263\001\002\123\244\010\350\000\003\030".
  73                 "\046\126\021\324\341\040\227\033\340\264\016\065\044\161\051\202".
  74                 "\231\060\270\223\012\021\271\105\210\301\215\240\242\104\041\006".
  75                 "\047\101\202\100\205\301\105\211\040\160\001\000\244\075\041\305".
  76                 "\022\034\232\376\000\000\000\000\111\105\116\104\256\102\140\202";
  77         exit;
  78 } elsif ($url_parm =~ m#/(.+)$#) {
  79         $project = $1;
  80         $action = "log";
  81         $view_back = 1;
  82 }
  83
  84 # sanitize input
  85 $project =~ s#\/\.+##g;
  86
  87 $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/.git/objects";
  88
  89 sub git_header {
  90         print $cgi->header(-type => 'text/html; charset: utf-8');
  91 print <<EOF;
  92 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
  93 <html>
  94 <head>
  95         <title>git - $project $action</title>
  96         <style type="text/css">
  97                 body { font-family: sans-serif; font-size: 12px; margin:25px; }
  98                 div.body { border-width:1px; border-style:solid; border-color:#D9D8D1; }
  99                 div.head1 { font-size:20px; padding:8px; background-color: #D9D8D1; font-weight:bold; }
 100                 div.head1 a:visited { color:#0000cc; }
 101                 div.head1 a:hover { color:#880000; }
 102                 div.head1 a:active { color:#880000; }
 103                 div.head2 { padding:8px; }
 104                 div.head2 a:visited { color:#0000cc; }
 105                 div.head2 a:hover { color:#880000; }
 106                 div.head2 a:active { color:#880000; }
 107                 div.main { padding:8px; font-family: sans-serif; font-size: 12px; }
 108                 div.shortlog { padding:8px; background-color: #D9D8D1; font-weight:bold; }
 109                 table { padding:0px; margin:0px; width:100%; }
 110                 tr { vertical-align:top; }
 111                 td { padding:8px; margin:0px; font-family: sans-serif; font-size: 12px; }
 112                 td.head1 { background-color: #D9D8D1; font-weight:bold; }
 113                 td.head1 a { color:#000000; text-decoration:none; }
 114                 td.head1 a:hover { color:#880000; text-decoration:underline; }
 115                 td.head1 a:visited { color:#000000; }
 116                 td.head2 { background-color: #EDECE6; font-family: monospace; font-size:12px; }
 117                 td.head3 { background-color: #EDECE6; font-size:10px; }
 118                 div.signed_off { color: #a9a8a1; }
 119                 a { color:#0000cc; }
 120                 a:hover { color:#880000; }
 121                 a:visited { color:#880000; }
 122                 a:active { color:#880000; }
 123         </style>
 124 </head>
 125 <body>
 126 EOF
 127         print "<div class=\"body\">\n";
 128         print "<div class=\"head1\">";
 129         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>";
 130         if ($defaultprojects ne "") {
 131                 print $cgi->a({-href => "$myself"}, "projects") . " / ";
 132         }
 133         if ($project ne "") {
 134                 print $cgi->a({-href => "$myself/$project/log"}, $project);
 135         }
 136         if ($action ne "") {
 137                 print " / $action";
 138         }
 139         print "</div>\n";
 140 }
 141
 142 sub git_footer {
 143         print "</div>";
 144         print $cgi->end_html();
 145 }
 146
 147 sub git_diff {
 148         my $old_name = shift || "/dev/null";
 149         my $new_name = shift || "/dev/null";
 150         my $old = shift;
 151         my $new = shift;
 152
 153         my $tmp_old = "/dev/null";
 154         my $tmp_new = "/dev/null";
 155         my $old_label = "/dev/null";
 156         my $new_label = "/dev/null";
 157
 158         # create temp from-file
 159         if ($old ne "") {
 160                 open my $fd2, "> $gittmp/$old";
 161                 open my $fd, "-|", "$gitbin/cat-file", "blob", $old;
 162                 while (my $line = <$fd>) {
 163                         print $fd2 $line;
 164                 }
 165                 close $fd2;
 166                 close $fd;
 167                 $tmp_old = "$gittmp/$old";
 168                 $old_label = "a/$old_name";
 169         }
 170
 171         # create tmp to-file
 172         if ($new ne "") {
 173                 open my $fd2, "> $gittmp/$new";
 174                 open my $fd, "-|", "$gitbin/cat-file", "blob", $new;
 175                 while (my $line = <$fd>) {
 176                         print $fd2 $line;
 177                 }
 178                 close $fd2;
 179                 close $fd;
 180                 $tmp_new = "$gittmp/$new";
 181                 $new_label = "b/$new_name";
 182         }
 183
 184         open my $fd, "-|", "/usr/bin/diff", "-L", $old_label, "-L", $new_label, "-u", "-p", $tmp_old, $tmp_new;
 185         print "<span style =\"color: #000099;\">===== ";
 186         if ($old ne "") {
 187                 print $cgi->a({-href => "$myself/$project/blob/$old"}, $old);
 188         } else {
 189                 print $old_name;
 190         }
 191         print " vs ";
 192         if ($new ne "") {
 193                 print $cgi->a({-href => "$myself/$project/blob/$new"}, $new);
 194         } else {
 195                 print $new_name;
 196         }
 197         print " =====</span>\n";
 198         while (my $line = <$fd>) {
 199                 my $char = substr($line,0,1);
 200                 print '<span style ="color: #008800;">' if $char eq '+';
 201                 print '<span style ="color: #CC0000;">' if $char eq '-';
 202                 print '<span style ="color: #990099;">' if $char eq '@';
 203                 print escapeHTML($line);
 204                 print '</span>' if $char eq '+' or $char eq '-' or $char eq '@';
 205         }
 206         close $fd;
 207         unlink("$gittmp/$new");
 208         unlink("$gittmp/$old");
 209 }
 210
 211 if ($project eq "") {
 212         opendir(my $fd, "$projectroot/$defaultprojects");
 213         my (@path) = grep(!/^\./, readdir($fd));
 214         closedir($fd);
 215         git_header();
 216         print "<br/><br/><div class=\"main\">\n";
 217         foreach my $line (@path) {
 218                 if (-e "$projectroot/$defaultprojects/$line/.git/HEAD") {
 219                         print $cgi->a({-href => "$myself/$defaultprojects/$line/log"}, $line) . "<br/>\n";
 220                 }
 221         }
 222         print "<br/></div>";
 223         git_footer();
 224         exit;
 225 }
 226
 227 if ($action eq "blob") {
 228         git_header();
 229         print "<br/><br/><div class=\"main\">\n";
 230         print "<pre>\n";
 231         open my $fd, "-|", "$gitbin/cat-file", "blob", $hash;
 232         my $nr;
 233         while (my $line = <$fd>) {
 234                 $nr++;
 235                 print "$nr\t" . escapeHTML($line);;
 236         }
 237         close $fd;
 238         print "</pre>\n";
 239         print "<br/></div>";
 240         git_footer();
 241 } elsif ($action eq "tree") {
 242         if ($hash eq "") {
 243                 open my $fd, "$projectroot/$project/.git/HEAD";
 244                 my $head = <$fd>;
 245                 chomp $head;
 246                 close $fd;
 247                 $hash = $head;
 248         }
 249         open my $fd, "-|", "$gitbin/ls-tree", $hash;
 250         my (@entries) = map { chomp; $_ } <$fd>;
 251         close $fd;
 252         git_header();
 253         print "<br/><br/><div class=\"main\">\n";
 254         print "<pre>\n";
 255         foreach my $line (@entries) {
 256                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 257                 $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 258                 my $t_type = $2;
 259                 my $t_hash = $3;
 260                 my $t_name = $4;
 261                 if ($t_type eq "blob") {
 262                         print "BLOB\t" . $cgi->a({-href => "$myself/$project/blob/$3"}, $4) . "\n";
 263                 } elsif ($t_type eq "tree") {
 264                         print "TREE\t" . $cgi->a({-href => "$myself/$project/tree/$3"}, $4) . "\n";
 265                 }
 266         }
 267         print "</pre>\n";
 268         print "<br/></div>";
 269         git_footer();
 270 } elsif ($action eq "log") {
 271         open my $fd, "$projectroot/$project/.git/HEAD";
 272         my $head = <$fd>;
 273         chomp $head;
 274         close $fd;
 275         open $fd, "-|", "$gitbin/rev-tree", $head;
 276         my (@revtree) = reverse sort map { chomp; $_ } <$fd>;
 277         close $fd;
 278         git_header();
 279         print "<div class=\"head2\">\n";
 280         print "view  ";
 281         print $cgi->a({-href => "$myself/$project/log"}, "last day") . " | ";
 282         print $cgi->a({-href => "$myself/$project/log/7"}, "week") . " | ";
 283         print $cgi->a({-href => "$myself/$project/log/31"}, "month") . " | ";
 284         print $cgi->a({-href => "$myself/$project/log/365"}, "year") . " | ";
 285         print $cgi->a({-href => "$myself/$project/log/0"}, "all") . "<br/>\n";
 286         print "<br/><br/>\n";
 287         print "</div>\n";
 288         print "<table cellspacing=\"0\" class=\"log\">\n";
 289         for (my $i = 0; $i <= $#revtree; $i++) {
 290                 my $rev = $revtree[$i];
 291         #foreach my $rev (@revtree) {
 292                 # '1114106118 755e3010ee10dadf42a8a80770e1b115fb038d9b:1 2af17b4854036a1c2ec6c101d93c8dd1ed80d24e:1'
 293                 last if !($rev =~ m/^([0-9]+) ([0-9a-fA-F]+).* ([0-9a-fA-F]+)/);
 294                 my $time = $1;
 295                 my $commit = $2;
 296                 my $parent = $3;
 297                 my @parents;
 298                 my ($author, $author_time, $author_timezone);
 299                 my ($committer, $committer_time, $committer_timezone);
 300                 my $tree;
 301                 my $comment;
 302                 my $shortlog;
 303                 open my $fd, "-|", "$gitbin/cat-file", "commit", $commit;
 304                 while (my $line = <$fd>) {
 305                         chomp($line);
 306                         last if $line eq "";
 307                         if ($line =~ m/^tree (.*)$/) {
 308                                 $tree = $1;
 309                         } elsif ($line =~ m/^parent (.*)$/) {
 310                                 push @parents, $1;
 311                         } elsif ($line =~ m/^committer (.*>) ([0-9]+) (.*)$/) {
 312                                 $committer = $1;
 313                                 $committer_time = $2;
 314                                 $committer_timezone = $3;
 315                         } elsif ($line =~ m/^author (.*>) ([0-9]+) (.*)$/) {
 316                                 $author = $1;
 317                                 $author_time = $2;
 318                                 $author_timezone = $3;
 319                         }
 320                 }
 321                 $shortlog = <$fd>;
 322                 $shortlog = escapeHTML($shortlog);
 323                 $comment = $shortlog . "<br/>";
 324                 while (my $line = <$fd>) {
 325                                 chomp($line);
 326                                 if ($line =~ m/signed-off-by:/i) {
 327                                         $comment .= '<div class="signed_off">' . escapeHTML($line) . "<br/></div>\n";
 328                                 } else {
 329                                         $comment .= escapeHTML($line) . "<br/>\n";
 330                                 }
 331                 }
 332                 close $fd;
 333
 334                 my $age = time-$committer_time;
 335                 my $age_string;
 336                 if ($age > 60*60*24*365*2) {
 337                         $age_string = int $age/60/60/24/365;
 338                         $age_string .= " years ago";
 339                 } elsif ($age > 60*60*24*365/12*2) {
 340                         $age_string = int $age/60/60/24/365/12;
 341                         $age_string .= " months ago";
 342                 } elsif ($age > 60*60*24*7*2) {
 343                         $age_string = int $age/60/60/24/7;
 344                         $age_string .= " weeks ago";
 345                 } elsif ($age > 60*60*24*2) {
 346                         $age_string = int $age/60/60/24;
 347                         $age_string .= " days ago";
 348                 } elsif ($age > 60*60*2) {
 349                         $age_string = int $age/60/60;
 350                         $age_string .= " hours ago";
 351                 } elsif ($age > 60*2) {
 352                         $age_string = int $age/60;
 353                         $age_string .= " minutes ago";
 354                 }
 355                 if ($view_back > 0 && $age > $view_back*60*60*24) {
 356                         if ($i == 0) {
 357                         print "<tr>\n";
 358                         print "<td class=\"head1\"> Last change $age_string. </td>\n";
 359                         print "</tr>\n";
 360                         }
 361                         last;
 362                 }
 363                 print "<tr>\n";
 364                 print "<td class=\"head1\">" . $age_string . "</td>\n";
 365                 print "<td class=\"head1\">" . $cgi->a({-href => "$myself/$project/commit/$commit"}, $shortlog) . "</td>";
 366                 print "</tr>\n";
 367                 print "<tr>\n";
 368                 print "<td class=\"head3\">";
 369                 print $cgi->a({-href => "$myself/$project/treediff/$commit"}, "view diff") . "<br/>\n";
 370                 print $cgi->a({-href => "$myself/$project/commit/$commit"}, "view commit") . "<br/>\n";
 371                 print $cgi->a({-href => "$myself/$project/tree/$tree"}, "view tree") . "<br/>\n";
 372                 print "</td>\n";
 373                 print "<td class=\"head2\">\n";
 374                 print "author &nbsp; &nbsp;" . escapeHTML($author) . " [" . gmtime($author_time) . " " . $author_timezone . "]<br/>\n";
 375                 print "committer " . escapeHTML($committer) . " [" . gmtime($committer_time) . " " . $committer_timezone . "]<br/>\n";
 376                 print "commit &nbsp; &nbsp;$commit<br/>\n";
 377                 print "tree &nbsp; &nbsp; &nbsp;$tree<br/>\n";
 378                 foreach my $par (@parents) {
 379                         print "parent &nbsp; &nbsp;$par<br/>\n";
 380                 }
 381                 print "</td>";
 382                 print "</tr>\n";
 383                 print "<tr>\n";
 384                 print "<td></td>\n";
 385                 print "<td>\n";
 386                 print "$comment<br/><br/>\n";
 387                 print "</td>";
 388                 print "</tr>\n";
 389         }
 390         print "</table>\n";
 391         git_footer();
 392 } elsif ($action eq "commit") {
 393         my $parent = "";
 394         open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
 395         while (my $line = <$fd>) {
 396                 chomp($line);
 397                 last if $line eq "";
 398                 if ($line =~ m/^parent (.*)$/ && $parent eq "") {
 399                         $parent = $1;
 400                 }
 401         }
 402         my $shortlog = <$fd>;
 403         $shortlog = escapeHTML($shortlog);
 404         close $fd;
 405
 406         open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
 407         my (@difftree) = map { chomp; $_ } <$fd>;
 408         close $fd;
 409
 410         git_header();
 411         print "<div class=\"main\">\n";
 412         print "view " . $cgi->a({-href => "$myself/$project/treediff/$hash"}, "diff") . "<br/><br/><br/>\n";
 413         print "<div class=\"shortlog\">$shortlog<br/></div>\n";
 414         print "<pre>\n";
 415         foreach my $line (@difftree) {
 416                 # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
 417                 # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
 418                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 419                 my $op = $1;
 420                 my $mode = $2;
 421                 my $type = $3;
 422                 my $id = $4;
 423                 my $file = $5;
 424                 if ($type eq "blob") {
 425                         if ($op eq "+") {
 426                                 print "added\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
 427                         } elsif ($op eq "-") {
 428                                 print "removed\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
 429                         } elsif ($op eq "*") {
 430                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 431                                 my $old = $1;
 432                                 my $new = $2;
 433                                 print "changed\t" . $cgi->a({-href => "$myself/$project/diff/$old/$new"}, $file) . "\n";
 434                         }
 435                 }
 436         }
 437         print "</pre>\n";
 438         print "<br/></div>";
 439         git_footer();
 440 } elsif ($action eq "diff") {
 441         git_header();
 442         print "<br/><br/><div class=\"main\">\n";
 443         print "<pre>\n";
 444         git_diff($hash, $hash_parent, $hash, $hash_parent);
 445         print "</pre>\n";
 446         print "<br/></div>";
 447         git_footer();
 448 } elsif ($action eq "treediff") {
 449         my $parent = "";
 450         open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
 451         while (my $line = <$fd>) {
 452                 chomp($line);
 453                 last if $line eq "";
 454                 if ($line =~ m/^parent (.*)$/ && $parent eq "") {
 455                         $parent = $1;
 456                 }
 457         }
 458         my $shortlog = <$fd>;
 459         $shortlog = escapeHTML($shortlog);
 460         close $fd;
 461
 462         open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
 463         my (@difftree) = map { chomp; $_ } <$fd>;
 464         close $fd;
 465
 466         git_header();
 467         print "<div class=\"main\">\n";
 468         print "view " . $cgi->a({-href => "$myself/$project/commit/$hash"}, "commit") . "<br/><br/><br/>\n";
 469         print "<div class=\"shortlog\">$shortlog<br/></div>\n";
 470         print "<pre>\n";
 471         foreach my $line (@difftree) {
 472                 # '*100644->100644      blob    8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154      Makefile'
 473                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 474                 my $op = $1;
 475                 my $mode = $2;
 476                 my $type = $3;
 477                 my $id = $4;
 478                 my $file = $5;
 479                 if ($type eq "blob") {
 480                         if ($op eq "+") {
 481                                 git_diff("", $file, "", $id);
 482                         } elsif ($op eq "-") {
 483                                 git_diff($file, "", $id, "");
 484                         } elsif ($op eq "*") {
 485                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 486                                 git_diff($file, $file, $1, $2);
 487                         }
 488                 }
 489         }
 490         print "</pre>\n";
 491         print "<br/></div>";
 492         git_footer();
 493 } else {
 494         git_header();
 495         print "<br/><br/><div class=\"main\">\n";
 496         print "unknown action\n";
 497         print "<br/></div>";
 498         git_footer();
 499 }