Lady’s Gitweb - Gitweb/blob - gitweb.pl

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