25bd65e5f27f4c058546e16ba13f71cc785a252b
   1#!/usr/bin/perl
   2
   3# gitweb.pl - simple web interface to track changes in git repositories
   4#
   5# Version 005
   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
  12use strict;
  13use warnings;
  14use CGI qw(:standard :escapeHTML);
  15use CGI::Carp qw(fatalsToBrowser);
  16
  17my $cgi = new CGI;
  18my $gitbin = "/home/kay/bin/git";
  19my $gitroot = "/home/kay/public_html";
  20my $gittmp = "/tmp";
  21my $myself = $cgi->url(-relative => 1);
  22
  23my $project = $cgi->param("project") || "";
  24my $action = $cgi->param("action") || "";
  25my $hash = $cgi->param("hash") || "";
  26my $hash_parent = $cgi->param("hash_parent") || "";
  27my $view_back = $cgi->param("view_back") || 60*60*24;
  28my $projectroot = "$gitroot/$project";
  29$hash =~ s/[^0-9a-fA-F]//g;
  30$hash_parent =~ s/[^0-9a-fA-F]//g;
  31$project =~ s/[^0-9a-zA-Z\-\._]//g;
  32
  33$ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/.git/objects";
  34
  35sub git_header {
  36        print $cgi->header(-type => 'text/html; charset: utf-8');
  37print <<EOF;
  38<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
  39<html>
  40<head>
  41        <title>git - $project $action</title>
  42        <style type="text/css">
  43                body { font-family: sans-serif; font-size: 12px; margin:25px; }
  44                div.body { border-width:1px; border-style:solid; border-color:#D9D8D1; }
  45                div.head1 { font-size:20px; padding:8px; background-color: #D9D8D1; font-weight:bold; }
  46                div.head1 a:visited { color:#0000cc; }
  47                div.head1 a:hover { color:#880000; }
  48                div.head1 a:active { color:#880000; }
  49                div.head2 { padding:8px; }
  50                div.head2 a:visited { color:#0000cc; }
  51                div.head2 a:hover { color:#880000; }
  52                div.head2 a:active { color:#880000; }
  53                div.main { padding:8px; font-family: sans-serif; font-size: 12px; }
  54                table { padding:0px; margin:0px; width:100%; }
  55                tr { vertical-align:top; }
  56                td { padding:8px; margin:0px; font-family: sans-serif; font-size: 12px; }
  57                td.head1 { background-color: #D9D8D1; font-weight:bold; }
  58                td.head1 a { color:#000000; text-decoration:none; }
  59                td.head1 a:hover { color:#880000; text-decoration:underline; }
  60                td.head1 a:visited { color:#000000; }
  61                td.head2 { background-color: #EDECE6; font-family: monospace; font-size:12px; }
  62                td.head3 { background-color: #EDECE6; font-size:10px; }
  63                div.add { color: #008800; }
  64                div.subtract { color: #CC0000; }
  65                div.diff_head { color: #000099; }
  66                div.diff_head a:visited { color:#0000cc; }
  67                div.diff_line { color: #990099; }
  68                a { color:#0000cc; }
  69                a:hover { color:#880000; }
  70                a:visited { color:#880000; }
  71                a:active { color:#880000; }
  72        </style>
  73</head>
  74<body>
  75EOF
  76        print "<div class=\"body\">\n";
  77        print "<div class=\"head1\">";
  78        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>";
  79        print $cgi->a({-href => "$myself"}, "projects");
  80        if ($project ne "") {
  81                print " / " . $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24}, $project);
  82        }
  83        if ($action ne "") {
  84                print " / $action";
  85        }
  86        print "</div>\n";
  87}
  88
  89sub git_footer {
  90        print "</div>";
  91        print $cgi->end_html();
  92}
  93
  94sub git_diff {
  95        my $old_name = shift || "/dev/null";
  96        my $new_name = shift || "/dev/null";
  97        my $old = shift;
  98        my $new = shift;
  99
 100        my $tmp_old = "/dev/null";
 101        my $tmp_new = "/dev/null";
 102        my $old_label = "/dev/null";
 103        my $new_label = "/dev/null";
 104
 105        # create temp from-file
 106        if ($old ne "") {
 107                open my $fd2, "> $gittmp/$old";
 108                open my $fd, "-|", "$gitbin/cat-file", "blob", $old;
 109                while (my $line = <$fd>) {
 110                        print $fd2 $line;
 111                }
 112                close $fd2;
 113                close $fd;
 114                $tmp_old = "$gittmp/$old";
 115                $old_label = "a/$old_name";
 116        }
 117
 118        # create tmp to-file
 119        if ($new ne "") {
 120                open my $fd2, "> $gittmp/$new";
 121                open my $fd, "-|", "$gitbin/cat-file", "blob", $new;
 122                while (my $line = <$fd>) {
 123                        print $fd2 $line;
 124                }
 125                close $fd2;
 126                close $fd;
 127                $tmp_new = "$gittmp/$new";
 128                $new_label = "b/$new_name";
 129        }
 130
 131        open my $fd, "-|", "/usr/bin/diff", "-L", $old_label, "-L", $new_label, "-u", "-p", $tmp_old, $tmp_new;
 132        print '<div class="diff_head">===== ';
 133        if ($old ne "") {
 134                print $cgi->a({-href => "$myself?project=$project;action=blob;hash=$old"}, $old);
 135        } else {
 136                print $old_name;
 137        }
 138        print " vs ";
 139        if ($new ne "") {
 140                print $cgi->a({-href => "$myself?project=$project;action=blob;hash=$new"}, $new);
 141        } else {
 142                print $new_name;
 143        }
 144        print ' =====</div>';
 145        while (my $line = <$fd>) {
 146                my $char = substr($line,0,1);
 147                print '<div class="add">' if $char eq '+';
 148                print '<div class="subtract">' if $char eq '-';
 149                print '<div class="diff_line">' if $char eq '@';
 150                print escapeHTML($line);
 151                print '</div>' if $char eq '+' or $char eq '-' or $char eq '@';
 152        }
 153        close $fd;
 154        unlink("$gittmp/$new");
 155        unlink("$gittmp/$old");
 156}
 157
 158if ($project eq "") {
 159        open my $fd, "-|", "ls", "-1", $gitroot;
 160        my (@path) = map { chomp; $_ } <$fd>;
 161        close $fd;
 162        git_header();
 163        print "<br/><br/><div class=\"main\">\n";
 164        foreach my $line (@path) {
 165                if (-e "$gitroot/$line/.git/HEAD") {
 166                        print $cgi->a({-href => "$myself?project=$line"}, $line) . "<br/>\n";
 167                }
 168        }
 169        print "<br/></div>";
 170        git_footer();
 171        exit;
 172}
 173
 174if ($action eq "") {
 175        print $cgi->redirect("$myself?project=$project;action=log;view_back=$view_back");
 176        exit;
 177}
 178
 179if ($action eq "blob") {
 180        git_header();
 181        print "<br/><br/><div class=\"main\">\n";
 182        print "<pre>\n";
 183        open my $fd, "-|", "$gitbin/cat-file", "blob", $hash;
 184        my $nr;
 185        while (my $line = <$fd>) {
 186                $nr++;
 187                print "$nr\t" . escapeHTML($line);;
 188        }
 189        close $fd;
 190        print "</pre>\n";
 191        print "<br/></div>";
 192        git_footer();
 193} elsif ($action eq "tree") {
 194        if ($hash eq "") {
 195                open my $fd, "$projectroot/.git/HEAD";
 196                my $head = <$fd>;
 197                chomp $head;
 198                close $fd;
 199                $hash = $head;
 200        }
 201        open my $fd, "-|", "$gitbin/ls-tree", $hash;
 202        my (@entries) = map { chomp; $_ } <$fd>;
 203        close $fd;
 204        git_header();
 205        print "<br/><br/><div class=\"main\">\n";
 206        print "<pre>\n";
 207        foreach my $line (@entries) {
 208                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 209                $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 210                my $t_type = $2;
 211                my $t_hash = $3;
 212                my $t_name = $4;
 213                if ($t_type eq "blob") {
 214                        print "BLOB\t" . $cgi->a({-href => "$myself?project=$project;action=blob;hash=$3"}, $4) . "\n";
 215                } elsif ($t_type eq "tree") {
 216                        print "TREE\t" . $cgi->a({-href => "$myself?project=$project;action=tree;hash=$3"}, $4) . "\n";
 217                }
 218        }
 219        print "</pre>\n";
 220        print "<br/></div>";
 221        git_footer();
 222} elsif ($action eq "log" || $action eq "show_log" ) {
 223        open my $fd, "$projectroot/.git/HEAD";
 224        my $head = <$fd>;
 225        chomp $head;
 226        close $fd;
 227        open $fd, "-|", "$gitbin/rev-tree", $head;
 228        my (@revtree) = map { chomp; $_ } <$fd>;
 229        close $fd;
 230        git_header();
 231        print "<div class=\"head2\">\n";
 232        print "view  ";
 233        print $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24}, "last day") . " | ";
 234        print $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24*7}, "week") . " | ";
 235        print $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24*30}, "month") . " | ";
 236        print $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24*365}, "year") . " | ";
 237        print $cgi->a({-href => "$myself?project=$project;action=log;view_back=-1"}, "all") . "<br/>\n";
 238        print "<br/><br/>\n";
 239        print "</div>\n";
 240        print "<table cellspacing=\"0\" class=\"log\">\n";
 241        foreach my $rev (reverse sort @revtree) {
 242                # '1114106118 755e3010ee10dadf42a8a80770e1b115fb038d9b:1 2af17b4854036a1c2ec6c101d93c8dd1ed80d24e:1'
 243                last if !($rev =~ m/^([0-9]+) ([0-9a-fA-F]+).* ([0-9a-fA-F]+)/);
 244                my $time = $1;
 245                my $commit = $2;
 246                my $parent = $3;
 247                my @parents;
 248                my $author;
 249                my $author_name;
 250                my $author_time;
 251                my $author_timezone;
 252                my $committer;
 253                my $committer_time;
 254                my $committer_timezone;
 255                my $tree;
 256                my $comment;
 257                my $shortlog;
 258                open my $fd, "-|", "$gitbin/cat-file", "commit", $commit;
 259                while (my $line = <$fd>) {
 260                        chomp($line);
 261                        last if $line eq "";
 262                        if ($line =~ m/^tree (.*)$/) {
 263                                $tree = $1;
 264                        } elsif ($line =~ m/^parent (.*)$/) {
 265                                push @parents, $1;
 266                        } elsif ($line =~ m/^committer (.*>) ([0-9]+) (.*)$/) {
 267                                $committer = $1;
 268                                $committer_time = $2;
 269                                $committer_timezone = $3;
 270                        } elsif ($line =~ m/^author (.*>) ([0-9]+) (.*)$/) {
 271                                $author = $1;
 272                                $author_time = $2;
 273                                $author_timezone = $3;
 274                                $author =~ m/^(.*) </;
 275                                $author_name = $1;
 276                        }
 277                }
 278                $shortlog = <$fd>;
 279                $shortlog = escapeHTML($shortlog);
 280                $comment = $shortlog . "<br/>";
 281                while (my $line = <$fd>) {
 282                                chomp($line);
 283                                $comment .= escapeHTML($line) . "<br/>\n";
 284                }
 285                close $fd;
 286                my $age = time-$committer_time;
 287                last if ($view_back > 0 && $age > $view_back);
 288
 289                my $age_string;
 290                if ($age > 60*60*24*365*2) {
 291                        $age_string = int $age/60/60/24/365;
 292                        $age_string .= " years ago";
 293                } elsif ($age > 60*60*24*365/12*2) {
 294                        $age_string = int $age/60/60/24/365/12;
 295                        $age_string .= " months ago";
 296                } elsif ($age > 60*60*24*7*2) {
 297                        $age_string = int $age/60/60/24/7;
 298                        $age_string .= " weeks ago";
 299                } elsif ($age > 60*60*24*2) {
 300                        $age_string = int $age/60/60/24;
 301                        $age_string .= " days ago";
 302                } elsif ($age > 60*60*2) {
 303                        $age_string = int $age/60/60;
 304                        $age_string .= " hours ago";
 305                } elsif ($age > 60*2) {
 306                        $age_string = int $age/60;
 307                        $age_string .= " minutes ago";
 308                }
 309                print "<tr>\n";
 310                print "<td class=\"head1\">" . $age_string . "</td>\n";
 311                print "<td class=\"head1\">" . $cgi->a({-href => "$myself?project=$project;action=commit;hash=$commit"}, $shortlog) . "</td>";
 312                print "</tr>\n";
 313                print "<tr>\n";
 314                print "<td class=\"head3\">";
 315                print $cgi->a({-href => "$myself?project=$project;action=treediff;hash=$commit"}, "view diff") . "<br/>\n";
 316                print $cgi->a({-href => "$myself?project=$project;action=commit;hash=$commit"}, "view commit") . "<br/>\n";
 317                print $cgi->a({-href => "$myself?project=$project;action=tree;hash=$tree"}, "view tree") . "<br/>\n";
 318                print "</td>\n";
 319                print "<td class=\"head2\">\n";
 320                print "author &nbsp; &nbsp;" . escapeHTML($author) . " [" . gmtime($author_time) . " " . $author_timezone . "]<br/>\n";
 321                print "committer " . escapeHTML($committer) . " [" . gmtime($committer_time) . " " . $committer_timezone . "]<br/>\n";
 322                print "commit &nbsp; &nbsp;$commit<br/>\n";
 323                print "tree &nbsp; &nbsp; &nbsp;$tree<br/>\n";
 324                foreach my $par (@parents) {
 325                        print "parent &nbsp; &nbsp;$par<br/>\n";
 326                }
 327                print "</td>";
 328                print "</tr>\n";
 329                print "<tr>\n";
 330                print "<td></td>\n";
 331                print "<td>\n";
 332                print "$comment<br/><br/>\n";
 333                print "</td>";
 334                print "</tr>\n";
 335        }
 336        print "</table>\n";
 337        git_footer();
 338} elsif ($action eq "commit") {
 339        my $parent = "";
 340        open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
 341        while (my $line = <$fd>) {
 342                chomp($line);
 343                last if $line eq "";
 344                if ($line =~ m/^parent (.*)$/ && $parent eq "") {
 345                        $parent = $1;
 346                }
 347        }
 348        my $shortlog = <$fd>;
 349        $shortlog = escapeHTML($shortlog);
 350        close $fd;
 351
 352        open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
 353        my (@difftree) = map { chomp; $_ } <$fd>;
 354        close $fd;
 355
 356        git_header();
 357        print "<div class=\"main\">\n";
 358        print "view " . $cgi->a({-href => "$myself?project=$project;action=treediff;hash=$hash"}, "diff") . "<br/><br/><br/>\n";
 359        print "$shortlog<br/>\n";
 360        print "<pre>\n";
 361        foreach my $line (@difftree) {
 362                # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
 363                # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
 364                $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 365                my $op = $1;
 366                my $mode = $2;
 367                my $type = $3;
 368                my $id = $4;
 369                my $file = $5;
 370                if ($type eq "blob") {
 371                        if ($op eq "+") {
 372                                print "NEW\t" . $cgi->a({-href => "$myself?project=$project;action=blob;hash=$id"}, $file) . "\n";
 373                        } elsif ($op eq "-") {
 374                                print "DEL\t" . $cgi->a({-href => "$myself?project=$project;action=blob;hash=$id"}, $file) . "\n";
 375                        } elsif ($op eq "*") {
 376                                $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 377                                my $old = $1;
 378                                my $new = $2;
 379                                print "CHANGED\t" . $cgi->a({-href => "$myself?project=$project;action=diff;hash=$old;hash_parent=$new"}, $file) . "\n";
 380                        }
 381                }
 382        }
 383        print "</pre>\n";
 384        print "<br/></div>";
 385        git_footer();
 386} elsif ($action eq "diff") {
 387        git_header();
 388        print "<br/><br/><div class=\"main\">\n";
 389        print "<pre>\n";
 390        git_diff($hash, $hash_parent, $hash, $hash_parent);
 391        print "</pre>\n";
 392        print "<br/></div>";
 393        git_footer();
 394} elsif ($action eq "treediff") {
 395        my $parent = "";
 396        open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
 397        while (my $line = <$fd>) {
 398                chomp($line);
 399                last if $line eq "";
 400                if ($line =~ m/^parent (.*)$/ && $parent eq "") {
 401                        $parent = $1;
 402                }
 403        }
 404        my $shortlog = <$fd>;
 405        $shortlog = escapeHTML($shortlog);
 406        close $fd;
 407
 408        open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
 409        my (@difftree) = map { chomp; $_ } <$fd>;
 410        close $fd;
 411
 412        git_header();
 413        print "<div class=\"main\">\n";
 414        print "view " . $cgi->a({-href => "$myself?project=$project;action=commit;hash=$hash"}, "commit") . "<br/><br/><br/>\n";
 415        print "$shortlog<br/>\n";
 416        print "<pre>\n";
 417        foreach my $line (@difftree) {
 418                # '*100644->100644      blob    8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154      Makefile'
 419                $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 420                my $op = $1;
 421                my $mode = $2;
 422                my $type = $3;
 423                my $id = $4;
 424                my $file = $5;
 425                if ($type eq "blob") {
 426                        if ($op eq "+") {
 427                                git_diff("", $file, "", $id);
 428                        } elsif ($op eq "-") {
 429                                git_diff($file, "", $id, "");
 430                        } elsif ($op eq "*") {
 431                                $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 432                                git_diff($file, $file, $1, $2);
 433                        }
 434                }
 435        }
 436        print "</pre>\n";
 437        print "<br/></div>";
 438        git_footer();
 439} else {
 440        git_header();
 441        print "<br/><br/><div class=\"main\">\n";
 442        print "unknown action\n";
 443        print "<br/></div>";
 444        git_footer();
 445}