gitweb.pl

   1 #!/usr/bin/perl
   2
   3 # gitweb.pl - simple web interface to track changes in git repositories
   4 #
   5 # Version 006
   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 $cgi = new CGI;
  18 my $gitbin = "/home/kay/bin/git";
  19 my $gitroot = "/home/kay/public_html";
  20 my $gittmp = "/tmp";
  21 my $myself = $cgi->url(-relative => 1);
  22 my $url_path = $cgi->url(-path => 1);
  23
  24 my $project = $cgi->param("project") || "";
  25 my $action = $cgi->param("action") || "";
  26 my $hash = $cgi->param("hash") || "";
  27 my $hash_parent = $cgi->param("hash_parent") || "";
  28 my $view_back = $cgi->param("view_back") || 60*60*24;
  29
  30 if ($url_path =~ m#/([^/]+)/commit/([0-9a-fA-F]+)$#) {
  31         $project = $1;
  32         $action = "commit";
  33         $hash = $2;
  34 } elsif ($url_path =~ m#/([^/]+)/treediff/([0-9a-fA-F]+)$#) {
  35         $project = $1;
  36         $action = "treediff";
  37         $hash = $2;
  38 } elsif ($url_path =~ m#/([^/]+)/diff/([0-9a-fA-F]+)/([0-9a-fA-F]+)$#) {
  39         $project = $1;
  40         $action = "treediff";
  41         $hash = $2;
  42         $hash_parent = $3;
  43 } elsif ($url_path =~ m#/([^/]+)/log/([0-9]+)$#) {
  44         $project = $1;
  45         $action = "log";
  46         $view_back = $2;
  47 } elsif ($url_path =~ m#/([^/]+)/log#) {
  48         $project = $1;
  49         $action = "log";
  50         $view_back = 60*60*24;
  51 }
  52 my $projectroot = "$gitroot/$project";
  53
  54 $hash =~ s/[^0-9a-fA-F]//g;
  55 $hash_parent =~ s/[^0-9a-fA-F]//g;
  56 $project =~ s/[^0-9a-zA-Z\-\._]//g;
  57
  58 $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/.git/objects";
  59
  60 sub git_header {
  61         print $cgi->header(-type => 'text/html; charset: utf-8');
  62 print <<EOF;
  63 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
  64 <html>
  65 <head>
  66         <title>git - $project $action</title>
  67         <style type="text/css">
  68                 body { font-family: sans-serif; font-size: 12px; margin:25px; }
  69                 div.body { border-width:1px; border-style:solid; border-color:#D9D8D1; }
  70                 div.head1 { font-size:20px; padding:8px; background-color: #D9D8D1; font-weight:bold; }
  71                 div.head1 a:visited { color:#0000cc; }
  72                 div.head1 a:hover { color:#880000; }
  73                 div.head1 a:active { color:#880000; }
  74                 div.head2 { padding:8px; }
  75                 div.head2 a:visited { color:#0000cc; }
  76                 div.head2 a:hover { color:#880000; }
  77                 div.head2 a:active { color:#880000; }
  78                 div.main { padding:8px; font-family: sans-serif; font-size: 12px; }
  79                 table { padding:0px; margin:0px; width:100%; }
  80                 tr { vertical-align:top; }
  81                 td { padding:8px; margin:0px; font-family: sans-serif; font-size: 12px; }
  82                 td.head1 { background-color: #D9D8D1; font-weight:bold; }
  83                 td.head1 a { color:#000000; text-decoration:none; }
  84                 td.head1 a:hover { color:#880000; text-decoration:underline; }
  85                 td.head1 a:visited { color:#000000; }
  86                 td.head2 { background-color: #EDECE6; font-family: monospace; font-size:12px; }
  87                 td.head3 { background-color: #EDECE6; font-size:10px; }
  88                 div.add { color: #008800; }
  89                 div.subtract { color: #CC0000; }
  90                 div.diff_head { color: #000099; }
  91                 div.diff_head a:visited { color:#0000cc; }
  92                 div.diff_line { color: #990099; }
  93                 a { color:#0000cc; }
  94                 a:hover { color:#880000; }
  95                 a:visited { color:#880000; }
  96                 a:active { color:#880000; }
  97         </style>
  98 </head>
  99 <body>
 100 EOF
 101         print "<div class=\"body\">\n";
 102         print "<div class=\"head1\">";
 103         print "<a href=\"http://kernel.org/pub/software/scm/git/\"><img src=\"git_logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
 104         print $cgi->a({-href => "$myself"}, "projects");
 105         if ($project ne "") {
 106                 print " / " . $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24}, $project);
 107         }
 108         if ($action ne "") {
 109                 print " / $action";
 110         }
 111         print "</div>\n";
 112 }
 113
 114 sub git_footer {
 115         print "</div>";
 116         print $cgi->end_html();
 117 }
 118
 119 sub git_diff {
 120         my $old_name = shift || "/dev/null";
 121         my $new_name = shift || "/dev/null";
 122         my $old = shift;
 123         my $new = shift;
 124
 125         my $tmp_old = "/dev/null";
 126         my $tmp_new = "/dev/null";
 127         my $old_label = "/dev/null";
 128         my $new_label = "/dev/null";
 129
 130         # create temp from-file
 131         if ($old ne "") {
 132                 open my $fd2, "> $gittmp/$old";
 133                 open my $fd, "-|", "$gitbin/cat-file", "blob", $old;
 134                 while (my $line = <$fd>) {
 135                         print $fd2 $line;
 136                 }
 137                 close $fd2;
 138                 close $fd;
 139                 $tmp_old = "$gittmp/$old";
 140                 $old_label = "a/$old_name";
 141         }
 142
 143         # create tmp to-file
 144         if ($new ne "") {
 145                 open my $fd2, "> $gittmp/$new";
 146                 open my $fd, "-|", "$gitbin/cat-file", "blob", $new;
 147                 while (my $line = <$fd>) {
 148                         print $fd2 $line;
 149                 }
 150                 close $fd2;
 151                 close $fd;
 152                 $tmp_new = "$gittmp/$new";
 153                 $new_label = "b/$new_name";
 154         }
 155
 156         open my $fd, "-|", "/usr/bin/diff", "-L", $old_label, "-L", $new_label, "-u", "-p", $tmp_old, $tmp_new;
 157         print '<div class="diff_head">===== ';
 158         if ($old ne "") {
 159                 print $cgi->a({-href => "$myself?project=$project;action=blob;hash=$old"}, $old);
 160         } else {
 161                 print $old_name;
 162         }
 163         print " vs ";
 164         if ($new ne "") {
 165                 print $cgi->a({-href => "$myself?project=$project;action=blob;hash=$new"}, $new);
 166         } else {
 167                 print $new_name;
 168         }
 169         print ' =====</div>';
 170         while (my $line = <$fd>) {
 171                 my $char = substr($line,0,1);
 172                 print '<div class="add">' if $char eq '+';
 173                 print '<div class="subtract">' if $char eq '-';
 174                 print '<div class="diff_line">' if $char eq '@';
 175                 print escapeHTML($line);
 176                 print '</div>' if $char eq '+' or $char eq '-' or $char eq '@';
 177         }
 178         close $fd;
 179         unlink("$gittmp/$new");
 180         unlink("$gittmp/$old");
 181 }
 182
 183 if ($project eq "") {
 184         open my $fd, "-|", "ls", "-1", $gitroot;
 185         my (@path) = map { chomp; $_ } <$fd>;
 186         close $fd;
 187         git_header();
 188         print "<br/><br/><div class=\"main\">\n";
 189         foreach my $line (@path) {
 190                 if (-e "$gitroot/$line/.git/HEAD") {
 191                         print $cgi->a({-href => "$myself?project=$line"}, $line) . "<br/>\n";
 192                 }
 193         }
 194         print "<br/></div>";
 195         git_footer();
 196         exit;
 197 }
 198
 199 if ($action eq "") {
 200         print $cgi->redirect("$myself?project=$project;action=log;view_back=$view_back");
 201         exit;
 202 }
 203
 204 if ($action eq "blob") {
 205         git_header();
 206         print "<br/><br/><div class=\"main\">\n";
 207         print "<pre>\n";
 208         open my $fd, "-|", "$gitbin/cat-file", "blob", $hash;
 209         my $nr;
 210         while (my $line = <$fd>) {
 211                 $nr++;
 212                 print "$nr\t" . escapeHTML($line);;
 213         }
 214         close $fd;
 215         print "</pre>\n";
 216         print "<br/></div>";
 217         git_footer();
 218 } elsif ($action eq "tree") {
 219         if ($hash eq "") {
 220                 open my $fd, "$projectroot/.git/HEAD";
 221                 my $head = <$fd>;
 222                 chomp $head;
 223                 close $fd;
 224                 $hash = $head;
 225         }
 226         open my $fd, "-|", "$gitbin/ls-tree", $hash;
 227         my (@entries) = map { chomp; $_ } <$fd>;
 228         close $fd;
 229         git_header();
 230         print "<br/><br/><div class=\"main\">\n";
 231         print "<pre>\n";
 232         foreach my $line (@entries) {
 233                 #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 234                 $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 235                 my $t_type = $2;
 236                 my $t_hash = $3;
 237                 my $t_name = $4;
 238                 if ($t_type eq "blob") {
 239                         print "BLOB\t" . $cgi->a({-href => "$myself?project=$project;action=blob;hash=$3"}, $4) . "\n";
 240                 } elsif ($t_type eq "tree") {
 241                         print "TREE\t" . $cgi->a({-href => "$myself?project=$project;action=tree;hash=$3"}, $4) . "\n";
 242                 }
 243         }
 244         print "</pre>\n";
 245         print "<br/></div>";
 246         git_footer();
 247 } elsif ($action eq "log" || $action eq "show_log" ) {
 248         open my $fd, "$projectroot/.git/HEAD";
 249         my $head = <$fd>;
 250         chomp $head;
 251         close $fd;
 252         open $fd, "-|", "$gitbin/rev-tree", $head;
 253         my (@revtree) = map { chomp; $_ } <$fd>;
 254         close $fd;
 255         git_header();
 256         print "<div class=\"head2\">\n";
 257         print "view  ";
 258         print $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24}, "last day") . " | ";
 259         print $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24*7}, "week") . " | ";
 260         print $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24*30}, "month") . " | ";
 261         print $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24*365}, "year") . " | ";
 262         print $cgi->a({-href => "$myself?project=$project;action=log;view_back=-1"}, "all") . "<br/>\n";
 263         print "<br/><br/>\n";
 264         print "</div>\n";
 265         print "<table cellspacing=\"0\" class=\"log\">\n";
 266         foreach my $rev (reverse sort @revtree) {
 267                 # '1114106118 755e3010ee10dadf42a8a80770e1b115fb038d9b:1 2af17b4854036a1c2ec6c101d93c8dd1ed80d24e:1'
 268                 last if !($rev =~ m/^([0-9]+) ([0-9a-fA-F]+).* ([0-9a-fA-F]+)/);
 269                 my $time = $1;
 270                 my $commit = $2;
 271                 my $parent = $3;
 272                 my @parents;
 273                 my $author;
 274                 my $author_name;
 275                 my $author_time;
 276                 my $author_timezone;
 277                 my $committer;
 278                 my $committer_time;
 279                 my $committer_timezone;
 280                 my $tree;
 281                 my $comment;
 282                 my $shortlog;
 283                 open my $fd, "-|", "$gitbin/cat-file", "commit", $commit;
 284                 while (my $line = <$fd>) {
 285                         chomp($line);
 286                         last if $line eq "";
 287                         if ($line =~ m/^tree (.*)$/) {
 288                                 $tree = $1;
 289                         } elsif ($line =~ m/^parent (.*)$/) {
 290                                 push @parents, $1;
 291                         } elsif ($line =~ m/^committer (.*>) ([0-9]+) (.*)$/) {
 292                                 $committer = $1;
 293                                 $committer_time = $2;
 294                                 $committer_timezone = $3;
 295                         } elsif ($line =~ m/^author (.*>) ([0-9]+) (.*)$/) {
 296                                 $author = $1;
 297                                 $author_time = $2;
 298                                 $author_timezone = $3;
 299                         }
 300                 }
 301                 $shortlog = <$fd>;
 302                 $shortlog = escapeHTML($shortlog);
 303                 $comment = $shortlog . "<br/>";
 304                 while (my $line = <$fd>) {
 305                                 chomp($line);
 306                                 $comment .= escapeHTML($line) . "<br/>\n";
 307                 }
 308                 close $fd;
 309                 my $age = time-$committer_time;
 310                 last if ($view_back > 0 && $age > $view_back);
 311
 312                 my $age_string;
 313                 if ($age > 60*60*24*365*2) {
 314                         $age_string = int $age/60/60/24/365;
 315                         $age_string .= " years ago";
 316                 } elsif ($age > 60*60*24*365/12*2) {
 317                         $age_string = int $age/60/60/24/365/12;
 318                         $age_string .= " months ago";
 319                 } elsif ($age > 60*60*24*7*2) {
 320                         $age_string = int $age/60/60/24/7;
 321                         $age_string .= " weeks ago";
 322                 } elsif ($age > 60*60*24*2) {
 323                         $age_string = int $age/60/60/24;
 324                         $age_string .= " days ago";
 325                 } elsif ($age > 60*60*2) {
 326                         $age_string = int $age/60/60;
 327                         $age_string .= " hours ago";
 328                 } elsif ($age > 60*2) {
 329                         $age_string = int $age/60;
 330                         $age_string .= " minutes ago";
 331                 }
 332                 print "<tr>\n";
 333                 print "<td class=\"head1\">" . $age_string . "</td>\n";
 334                 print "<td class=\"head1\">" . $cgi->a({-href => "$myself?project=$project;action=commit;hash=$commit"}, $shortlog) . "</td>";
 335                 print "</tr>\n";
 336                 print "<tr>\n";
 337                 print "<td class=\"head3\">";
 338                 print $cgi->a({-href => "$myself?project=$project;action=treediff;hash=$commit"}, "view diff") . "<br/>\n";
 339                 print $cgi->a({-href => "$myself?project=$project;action=commit;hash=$commit"}, "view commit") . "<br/>\n";
 340                 print $cgi->a({-href => "$myself?project=$project;action=tree;hash=$tree"}, "view tree") . "<br/>\n";
 341                 print "</td>\n";
 342                 print "<td class=\"head2\">\n";
 343                 print "author &nbsp; &nbsp;" . escapeHTML($author) . " [" . gmtime($author_time) . " " . $author_timezone . "]<br/>\n";
 344                 print "committer " . escapeHTML($committer) . " [" . gmtime($committer_time) . " " . $committer_timezone . "]<br/>\n";
 345                 print "commit &nbsp; &nbsp;$commit<br/>\n";
 346                 print "tree &nbsp; &nbsp; &nbsp;$tree<br/>\n";
 347                 foreach my $par (@parents) {
 348                         print "parent &nbsp; &nbsp;$par<br/>\n";
 349                 }
 350                 print "</td>";
 351                 print "</tr>\n";
 352                 print "<tr>\n";
 353                 print "<td></td>\n";
 354                 print "<td>\n";
 355                 print "$comment<br/><br/>\n";
 356                 print "</td>";
 357                 print "</tr>\n";
 358         }
 359         print "</table>\n";
 360         git_footer();
 361 } elsif ($action eq "commit") {
 362         my $parent = "";
 363         open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
 364         while (my $line = <$fd>) {
 365                 chomp($line);
 366                 last if $line eq "";
 367                 if ($line =~ m/^parent (.*)$/ && $parent eq "") {
 368                         $parent = $1;
 369                 }
 370         }
 371         my $shortlog = <$fd>;
 372         $shortlog = escapeHTML($shortlog);
 373         close $fd;
 374
 375         open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
 376         my (@difftree) = map { chomp; $_ } <$fd>;
 377         close $fd;
 378
 379         git_header();
 380         print "<div class=\"main\">\n";
 381         print "view " . $cgi->a({-href => "$myself?project=$project;action=treediff;hash=$hash"}, "diff") . "<br/><br/><br/>\n";
 382         print "$shortlog<br/>\n";
 383         print "<pre>\n";
 384         foreach my $line (@difftree) {
 385                 # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
 386                 # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
 387                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 388                 my $op = $1;
 389                 my $mode = $2;
 390                 my $type = $3;
 391                 my $id = $4;
 392                 my $file = $5;
 393                 if ($type eq "blob") {
 394                         if ($op eq "+") {
 395                                 print "NEW\t" . $cgi->a({-href => "$myself?project=$project;action=blob;hash=$id"}, $file) . "\n";
 396                         } elsif ($op eq "-") {
 397                                 print "DEL\t" . $cgi->a({-href => "$myself?project=$project;action=blob;hash=$id"}, $file) . "\n";
 398                         } elsif ($op eq "*") {
 399                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 400                                 my $old = $1;
 401                                 my $new = $2;
 402                                 print "CHANGED\t" . $cgi->a({-href => "$myself?project=$project;action=diff;hash=$old;hash_parent=$new"}, $file) . "\n";
 403                         }
 404                 }
 405         }
 406         print "</pre>\n";
 407         print "<br/></div>";
 408         git_footer();
 409 } elsif ($action eq "diff") {
 410         git_header();
 411         print "<br/><br/><div class=\"main\">\n";
 412         print "<pre>\n";
 413         git_diff($hash, $hash_parent, $hash, $hash_parent);
 414         print "</pre>\n";
 415         print "<br/></div>";
 416         git_footer();
 417 } elsif ($action eq "treediff") {
 418         my $parent = "";
 419         open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
 420         while (my $line = <$fd>) {
 421                 chomp($line);
 422                 last if $line eq "";
 423                 if ($line =~ m/^parent (.*)$/ && $parent eq "") {
 424                         $parent = $1;
 425                 }
 426         }
 427         my $shortlog = <$fd>;
 428         $shortlog = escapeHTML($shortlog);
 429         close $fd;
 430
 431         open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
 432         my (@difftree) = map { chomp; $_ } <$fd>;
 433         close $fd;
 434
 435         git_header();
 436         print "<div class=\"main\">\n";
 437         print "view " . $cgi->a({-href => "$myself?project=$project;action=commit;hash=$hash"}, "commit") . "<br/><br/><br/>\n";
 438         print "$shortlog<br/>\n";
 439         print "<pre>\n";
 440         foreach my $line (@difftree) {
 441                 # '*100644->100644      blob    8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154      Makefile'
 442                 $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 443                 my $op = $1;
 444                 my $mode = $2;
 445                 my $type = $3;
 446                 my $id = $4;
 447                 my $file = $5;
 448                 if ($type eq "blob") {
 449                         if ($op eq "+") {
 450                                 git_diff("", $file, "", $id);
 451                         } elsif ($op eq "-") {
 452                                 git_diff($file, "", $id, "");
 453                         } elsif ($op eq "*") {
 454                                 $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 455                                 git_diff($file, $file, $1, $2);
 456                         }
 457                 }
 458         }
 459         print "</pre>\n";
 460         print "<br/></div>";
 461         git_footer();
 462 } else {
 463         git_header();
 464         print "<br/><br/><div class=\"main\">\n";
 465         print "unknown action\n";
 466         print "<br/></div>";
 467         git_footer();
 468 }