[thirdparty/git.git] / gitweb.pl

#!/usr/bin/perl

# gitweb.pl - simple web interface to track changes in git repositories
#
# Version 021
#
# (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
# (C) 2005, Christian Gierke <ch@gierke.de>
#
# This file is licensed under the GPL v2, or a later version

use strict;
use warnings;
use CGI qw(:standard :escapeHTML);
use CGI::Carp qw(fatalsToBrowser);

my $projectroot =	"/home/kay/public_html";
my $defaultprojects =	".";
my $gitbin =		"/home/kay/bin/git";
my $gittmp =		"/tmp";

my $cgi = new CGI;
my $project = "";
my $action = "";
my $hash = "";
my $hash_parent = "";
my $view_back;
my $myself = $cgi->url(-absolute => 1);
my $url_parm = $cgi->url(-path => 1);
$url_parm =~ s/.*$myself//;

# get values from url
if ($url_parm =~ m#/(.+)/commit/([0-9a-fA-F]+)$#) {
	$project = $1;
	$action = "commit";
	$hash = $2;
} elsif ($url_parm =~ m#/(.+)/commitdiff/([0-9a-fA-F]+)$#) {
	$project = $1;
	$action = "commitdiff";
	$hash = $2;
} elsif ($url_parm =~ m#/(.+)/blobdiff/([0-9a-fA-F]+)/([0-9a-fA-F]+)$#) {
	$project = $1;
	$action = "blobdiff";
	$hash = $2;
	$hash_parent = $3;
} elsif ($url_parm =~ m#/(.+)/blob/([0-9a-fA-F]+)$#) {
	$project = $1;
	$action = "blob";
	$hash = $2;
} elsif ($url_parm =~ m#/(.+)/tree/([0-9a-fA-F]+)$#) {
	$project = $1;
	$action = "tree";
	$hash = $2;
} elsif ($url_parm =~ m#/(.+)/log/([0-9]+)$#) {
	$project = $1;
	$action = "log";
	$view_back = $2;
} elsif ($url_parm =~ m#/(.+)/log$#) {
	$project = $1;
	$action = "log";
	$view_back = 1;
} elsif ($url_parm =~ m#/(.+)/rss$#) {
	$project = $1;
	$action = "rss";
	$view_back = 1;
} elsif ($url_parm =~ m#/git-logo.png$#) {
	print $cgi->header(-type => 'image/png');
	print	"\211\120\116\107\015\012\032\012\000\000\000\015\111\110\104\122".
		"\000\000\000\110\000\000\000\033\004\003\000\000\000\055\331\324".
		"\055\000\000\000\030\120\114\124\105\377\377\377\140\140\135\260".
		"\257\252\000\200\000\316\315\307\300\000\000\350\350\346\367\367".
		"\366\225\014\247\107\000\000\000\163\111\104\101\124\050\317\143".
		"\110\147\040\004\112\134\030\012\010\052\142\123\141\040\002\010".
		"\015\151\105\254\241\241\001\060\014\223\140\066\046\122\221\261".
		"\001\021\326\341\125\144\154\154\314\154\154\014\242\014\160\052".
		"\142\006\052\301\142\035\263\001\002\123\244\010\350\000\003\030".
		"\046\126\021\324\341\040\227\033\340\264\016\065\044\161\051\202".
		"\231\060\270\223\012\021\271\105\210\301\215\240\242\104\041\006".
		"\047\101\202\100\205\301\105\211\040\160\001\000\244\075\041\305".
		"\022\034\232\376\000\000\000\000\111\105\116\104\256\102\140\202";
	exit;
} elsif ($url_parm =~ m#/(.+)$#) {
	$project = $1;
	$action = "log";
	$view_back = 1;
}

# sanitize input
$project =~ s#\/\.+##g;

$ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/.git/objects";

sub git_header_html {
	print $cgi->header(-type => 'text/html; charset: utf-8');
print <<EOF;
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
	<title>git - $project $action</title>
  <link rel="alternate" title="$project log" href="$myself/$project/rss" type="application/rss+xml">
	<style type="text/css">
		body { font-family: sans-serif; font-size: 12px; margin:25px; }
		div.body { border-width:1px; border-style:solid; border-color:#D9D8D1; }
		div.head1 { font-size:20px; padding:8px; background-color: #D9D8D1; font-weight:bold; }
		div.head1 a:visited { color:#0000cc; }
		div.head1 a:hover { color:#880000; }
		div.head1 a:active { color:#880000; }
		div.head2 { padding:8px; }
		div.head2 a:visited { color:#0000cc; }
		div.head2 a:hover { color:#880000; }
		div.head2 a:active { color:#880000; }
		div.title { padding:8px; background-color: #D9D8D1; font-weight:bold; }
		table { padding:0px; margin:0px; width:100%; }
		tr { vertical-align:top; }
		td { padding:8px; margin:0px; font-family: sans-serif; font-size: 12px; }
		td.head1 { background-color: #D9D8D1; font-weight:bold; }
		td.head1 a { color:#000000; text-decoration:none; }
		td.head1 a:hover { color:#880000; text-decoration:underline; }
		td.head1 a:visited { color:#000000; }
		td.head2 { background-color: #EDECE6; font-family: monospace; font-size:12px; }
		td.head3 { background-color: #EDECE6; font-size:10px; }
		div.signed_off { color: #a9a8a1; }
		a { color:#0000cc; }
		a:hover { color:#880000; }
		a:visited { color:#880000; }
		a:active { color:#880000; }
		pre { padding:8px; }
	</style>
</head>
<body>
EOF
	print "<div class=\"body\">\n";
	print "<div class=\"head1\">";
	print "<a href=\"http://kernel.org/pub/software/scm/git/\"><img src=\"$myself/git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
	if ($defaultprojects ne "") {
		print $cgi->a({-href => "$myself"}, "projects") . " / ";
	}
	if ($project ne "") {
		print $cgi->a({-href => "$myself/$project/log"}, $project);
	}
	if ($action ne "") {
		print " / $action";
	}
	print "</div>\n";
}

sub git_footer_html {
	print "</div>";
	print $cgi->end_html();
}

sub git_head {
	open my $fd, "$projectroot/$project/.git/HEAD";
	my $head = <$fd>;
	close $fd;
	chomp $head;
	return $head;
}

sub git_commit {
	my $commit = shift;
	my %co;
	my @parents;

	open my $fd, "-|", "$gitbin/cat-file", "commit", $commit;
	while (my $line = <$fd>) {
		chomp($line);
		last if $line eq "";
		if ($line =~ m/^tree (.*)$/) {
			$co{'tree'} = $1;
		} elsif ($line =~ m/^parent (.*)$/) {
			push @parents, $1;
		} elsif ($line =~ m/^committer (.*>) ([0-9]+) (.*)$/) {
			$co{'committer'} = $1;
			$co{'committer_time'} = $2;
			$co{'committer_timezone'} = $3;
		} elsif ($line =~ m/^author (.*>) ([0-9]+) (.*)$/) {
			$co{'author'} = $1;
			$co{'author_time'} = $2;
			$co{'author_timezone'} = $3;
		}
	}
	$co{'parents'} = \@parents;
	my (@comment) = map { chomp; $_ } <$fd>;
	$co{'comment'} = \@comment;
	$co{'title'} = $comment[0];
	close $fd;
	return %co;
}

sub git_diff {
	my $old_name = shift || "/dev/null";
	my $new_name = shift || "/dev/null";
	my $old = shift;
	my $new = shift;

	my $tmp_old = "/dev/null";
	my $tmp_new = "/dev/null";
	my $old_label = "/dev/null";
	my $new_label = "/dev/null";

	# create temp from-file
	if ($old ne "") {
		open my $fd2, "> $gittmp/$old";
		open my $fd, "-|", "$gitbin/cat-file", "blob", $old;
		while (my $line = <$fd>) {
			print $fd2 $line;
		}
		close $fd2;
		close $fd;
		$tmp_old = "$gittmp/$old";
		$old_label = "a/$old_name";
	}

	# create tmp to-file
	if ($new ne "") {
		open my $fd2, "> $gittmp/$new";
		open my $fd, "-|", "$gitbin/cat-file", "blob", $new;
		while (my $line = <$fd>) {
			print $fd2 $line;
		}
		close $fd2;
		close $fd;
		$tmp_new = "$gittmp/$new";
		$new_label = "b/$new_name";
	}

	open my $fd, "-|", "/usr/bin/diff", "-L", $old_label, "-L", $new_label, "-u", "-p", $tmp_old, $tmp_new;
	print "<span style =\"color: #000099;\">===== ";
	if ($old ne "") {
		print $cgi->a({-href => "$myself/$project/blob/$old"}, $old);
	} else {
		print $old_name;
	}
	print " vs ";
	if ($new ne "") {
		print $cgi->a({-href => "$myself/$project/blob/$new"}, $new);
	} else {
		print $new_name;
	}
	print " =====</span>\n";
	while (my $line = <$fd>) {
		my $char = substr($line,0,1);
		print '<span style ="color: #008800;">' if $char eq '+';
		print '<span style ="color: #CC0000;">' if $char eq '-';
		print '<span style ="color: #990099;">' if $char eq '@';
		print escapeHTML($line);
		print '</span>' if $char eq '+' or $char eq '-' or $char eq '@';
	}
	close $fd;
	unlink("$gittmp/$new");
	unlink("$gittmp/$old");
}

if ($project eq "") {
	opendir(my $fd, "$projectroot/$defaultprojects");
	my (@path) = grep(!/^\./, readdir($fd));
	closedir($fd);
	git_header_html();
	print "<div class=\"head2\">\n";
	print "<br/><br/>\n";
	foreach my $line (@path) {
		if (-e "$projectroot/$defaultprojects/$line/.git/HEAD") {
			print $cgi->a({-href => "$myself/$defaultprojects/$line/log"}, $line) . "<br/>\n";
		}
	}
	print "</div><br/>";
	git_footer_html();
	exit;
}

if ($action eq "blob") {
	git_header_html();
	print "<br/><br/>\n";
	print "<pre>\n";
	open my $fd, "-|", "$gitbin/cat-file", "blob", $hash;
	my $nr;
	while (my $line = <$fd>) {
		$nr++;
		print "$nr\t" . escapeHTML($line);;
	}
	close $fd;
	print "</pre>\n";
	print "<br/>";
	git_footer_html();
} elsif ($action eq "tree") {
	if ($hash eq "") {
		$hash = git_head();
	}
	open my $fd, "-|", "$gitbin/ls-tree", $hash;
	my (@entries) = map { chomp; $_ } <$fd>;
	close $fd;
	git_header_html();
	print "<br/><br/>\n";
	print "<pre>\n";
	foreach my $line (@entries) {
		#'100644	blob	0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa	panic.c'
		$line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
		my $t_type = $2;
		my $t_hash = $3;
		my $t_name = $4;
		if ($t_type eq "blob") {
			print "BLOB\t" . $cgi->a({-href => "$myself/$project/blob/$3"}, $4) . "\n";
		} elsif ($t_type eq "tree") {
			print "TREE\t" . $cgi->a({-href => "$myself/$project/tree/$3"}, $4) . "\n";
		}
	}
	print "</pre>\n";
	print "<br/>";
	git_footer_html();
} elsif ($action eq "log" || $action eq "rss") {
	open my $fd, "-|", "$gitbin/rev-tree", git_head();
	my (@revtree) = reverse sort map { chomp; $_ } <$fd>;
	close $fd;

	if ($action eq "log") {
		git_header_html();
		print "<div class=\"head2\">\n";
		print "view  ";
		print $cgi->a({-href => "$myself/$project/log"}, "last day") . " | ";
		print $cgi->a({-href => "$myself/$project/log/7"}, "week") . " | ";
		print $cgi->a({-href => "$myself/$project/log/31"}, "month") . " | ";
		print $cgi->a({-href => "$myself/$project/log/365"}, "year") . " | ";
		print $cgi->a({-href => "$myself/$project/log/0"}, "all") . "<br/>\n";
		print "<br/><br/>\n";
		print "</div>\n";
		print "<table cellspacing=\"0\" class=\"log\">\n";
	} elsif ($action eq "rss") {
		print $cgi->header(-type => 'text/xml; charset: utf-8');
		print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
		      "<rss version=\"0.91\">\n";
		print "<channel>\n";
		print "<title>$project</title>\n".
		      "<link> " . $cgi->url() . "/$project/log</link>\n".
		      "<description>$project log</description>\n".
		      "<language>en</language>\n";
	}

	for (my $i = 0; $i <= $#revtree; $i++) {
		my $rev = $revtree[$i];
		#foreach my $rev (@revtree) {
		# '1114106118 755e3010ee10dadf42a8a80770e1b115fb038d9b:1 2af17b4854036a1c2ec6c101d93c8dd1ed80d24e:1'
		last if !($rev =~ m/^([0-9]+) ([0-9a-fA-F]+).* ([0-9a-fA-F]+)/);
		my $time = $1;
		my $commit = $2;
		my $parent = $3;

		my %co = git_commit($commit);
		my $age = time - $co{'committer_time'};
		my $age_string;
		if ($age > 60*60*24*365*2) {
			$age_string = int $age/60/60/24/365;
			$age_string .= " years ago";
		} elsif ($age > 60*60*24*365/12*2) {
			$age_string = int $age/60/60/24/365/12;
			$age_string .= " months ago";
		} elsif ($age > 60*60*24*7*2) {
			$age_string = int $age/60/60/24/7;
			$age_string .= " weeks ago";
		} elsif ($age > 60*60*24*2) {
			$age_string = int $age/60/60/24;
			$age_string .= " days ago";
		} elsif ($age > 60*60*2) {
			$age_string = int $age/60/60;
			$age_string .= " hours ago";
		} elsif ($age > 60*2) {
			$age_string = int $age/60;
			$age_string .= " minutes ago";
		}
		if ($action eq "log") {
			if ($view_back > 0 && $age > $view_back*60*60*24) {
				if ($i == 0) {
					print "<tr>\n";
					print "<td class=\"head1\"> Last change $age_string. </td>\n";
					print "</tr>\n";
				}
				last;
			}
			print "<tr>\n";
			print "<td class=\"head1\">" . $age_string . "</td>\n";
			print "<td class=\"head1\">" . $cgi->a({-href => "$myself/$project/commit/$commit"}, $co{'title'}) . "</td>";
			print "</tr>\n";
			print "<tr>\n";
			print "<td class=\"head3\">";
			print $cgi->a({-href => "$myself/$project/commitdiff/$commit"}, "view diff") . "<br/>\n";
			print $cgi->a({-href => "$myself/$project/commit/$commit"}, "view commit") . "<br/>\n";
			print $cgi->a({-href => "$myself/$project/tree/$co{'tree'}"}, "view tree") . "<br/>\n";
			print "</td>\n";
			print "<td class=\"head2\">\n";
			print "author &nbsp; &nbsp;" . escapeHTML($co{'author'}) . " [" . gmtime($co{'author_time'}) . " " . $co{'author_timezone'} . "]<br/>\n";
			print "committer " . escapeHTML($co{'committer'}) . " [" . gmtime($co{'committer_time'}) . " " . $co{'committer_timezone'} . "]<br/>\n";
			print "commit &nbsp; &nbsp;$commit<br/>\n";
			print "tree &nbsp; &nbsp; &nbsp;$co{'tree'}<br/>\n";
			my $parents  = $co{'parents'};
			foreach my $par (@$parents) {
				print "parent &nbsp; &nbsp;$par<br/>\n";
			}
			print "</td>";
			print "</tr>\n";
			print "<tr>\n";
			print "<td></td>\n";
			print "<td>\n";
			my $comment = $co{'comment'};
			foreach my $line (@$comment) {
				if ($line =~ m/signed-off-by:/i) {
					print '<div class="signed_off">' . escapeHTML($line) . "<br/></div>\n";
				} else {
					print escapeHTML($line) . "<br/>\n";
				}
			}
			print "<br/><br/>\n";
			print "</td>";
			print "</tr>\n";
		} elsif ($action eq "rss") {
			last if ($i >= 12);
			print "<item>\n\t<title>$age_string: " . escapeHTML($co{'title'}) . "</title>\n";
			print "\t<link> " . $cgi->url() . "/$project/commit/$commit</link>\n";
			print "</item>\n";
		}
	}
	if ($action eq "log") {
		print "</table>\n";
		git_footer_html();
	} elsif ($action eq "rss") {
		print "</channel></rss>";
	}
} elsif ($action eq "commit") {
	my $parent = "";
	open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
	while (my $line = <$fd>) {
		chomp($line);
		last if $line eq "";
		if ($line =~ m/^parent (.*)$/ && $parent eq "") {
			$parent = $1;
		}
	}
	my $title = <$fd>;
	$title = escapeHTML($title);
	close $fd;

	open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
	my (@difftree) = map { chomp; $_ } <$fd>;
	close $fd;

	git_header_html();
	print "<div class=\"head2\">\n";
	print "view " . $cgi->a({-href => "$myself/$project/commitdiff/$hash"}, "diff") . "</div><br/><br/>\n";
	print "<div class=\"title\">$title<br/></div>\n";
	print "<pre>\n";
	foreach my $line (@difftree) {
		# '*100644->100644	blob	9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596	net/ipv4/route.c'
		# '+100644	blob	4a83ab6cd565d21ab0385bac6643826b83c2fcd4	arch/arm/lib/bitops.h'
		$line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
		my $op = $1;
		my $mode = $2;
		my $type = $3;
		my $id = $4;
		my $file = $5;
		if ($type eq "blob") {
			if ($op eq "+") {
				print "added\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
			} elsif ($op eq "-") {
				print "removed\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
			} elsif ($op eq "*") {
				$id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
				my $old = $1;
				my $new = $2;
				print "changed\t" . $cgi->a({-href => "$myself/$project/blobdiff/$old/$new"}, $file) . "\n";
			}
		}
	}
	print "</pre>\n";
	print "<br/>";
	git_footer_html();
} elsif ($action eq "blobdiff") {
	git_header_html();
	print "<br/><br/>\n";
	print "<pre>\n";
	git_diff($hash, $hash_parent, $hash, $hash_parent);
	print "</pre>\n";
	print "<br/>";
	git_footer_html();
} elsif ($action eq "commitdiff") {
	my $parent = "";
	open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
	while (my $line = <$fd>) {
		chomp($line);
		last if $line eq "";
		if ($line =~ m/^parent (.*)$/ && $parent eq "") {
			$parent = $1;
		}
	}
	my $title = <$fd>;
	$title = escapeHTML($title);
	close $fd;

	open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
	my (@difftree) = map { chomp; $_ } <$fd>;
	close $fd;

	git_header_html();
	print "<div class=\"head2\">\n";
	print "view " . $cgi->a({-href => "$myself/$project/commit/$hash"}, "commit") . "</div><br/><br/>\n";
	print "<div class=\"title\">$title<br/></div>\n";
	print "<pre>\n";
	foreach my $line (@difftree) {
		# '*100644->100644	blob	8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154	Makefile'
		$line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
		my $op = $1;
		my $mode = $2;
		my $type = $3;
		my $id = $4;
		my $file = $5;
		if ($type eq "blob") {
			if ($op eq "+") {
				git_diff("", $file, "", $id);
			} elsif ($op eq "-") {
				git_diff($file, "", $id, "");
			} elsif ($op eq "*") {
				$id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
				git_diff($file, $file, $1, $2);
			}
		}
	}
	print "</pre>\n";
	print "<br/>";
	git_footer_html();
}
Commit	Line	Data
161332a5 KS	1	#!/usr/bin/perl
161332a5 KS	2
22fafb99 KS	3	# gitweb.pl - simple web interface to track changes in git repositories
22fafb99 KS	4	#
e334d18c	5	# Version 021
22fafb99	6	#
161332a5 KS	7	# (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
161332a5 KS	8	# (C) 2005, Christian Gierke <ch@gierke.de>
823d5dc8 KS	9	#
823d5dc8 KS	10	# This file is licensed under the GPL v2, or a later version
161332a5 KS	11
	12	use strict;
	13	use warnings;
	14	use CGI qw(:standard :escapeHTML);
	15	use CGI::Carp qw(fatalsToBrowser);
	16
a7e09a96 KS	17	my $projectroot = "/home/kay/public_html";
	18	my $defaultprojects = ".";
	19	my $gitbin = "/home/kay/bin/git";
	20	my $gittmp = "/tmp";
44ad2978	21
161332a5	22	my $cgi = new CGI;
44ad2978 KS	23	my $project = "";
	24	my $action = "";
	25	my $hash = "";
	26	my $hash_parent = "";
	27	my $view_back;
	28	my $myself = $cgi->url(-absolute => 1);
1b143380 KS	29	my $url_parm = $cgi->url(-path => 1);
1b143380 KS	30	$url_parm =~ s/.*$myself//;
161332a5	31
44ad2978	32	# get values from url
a7e09a96	33	if ($url_parm =~ m#/(.+)/commit/([0-9a-fA-F]+)$#) {
52ccdd40 KS	34	$project = $1;
	35	$action = "commit";
	36	$hash = $2;
e334d18c	37	} elsif ($url_parm =~ m#/(.+)/commitdiff/([0-9a-fA-F]+)$#) {
52ccdd40	38	$project = $1;
e334d18c	39	$action = "commitdiff";
52ccdd40	40	$hash = $2;
e334d18c	41	} elsif ($url_parm =~ m#/(.+)/blobdiff/([0-9a-fA-F]+)/([0-9a-fA-F]+)$#) {
52ccdd40	42	$project = $1;
e334d18c	43	$action = "blobdiff";
52ccdd40 KS	44	$hash = $2;
52ccdd40 KS	45	$hash_parent = $3;
a7e09a96	46	} elsif ($url_parm =~ m#/(.+)/blob/([0-9a-fA-F]+)$#) {
44ad2978 KS	47	$project = $1;
	48	$action = "blob";
	49	$hash = $2;
a7e09a96	50	} elsif ($url_parm =~ m#/(.+)/tree/([0-9a-fA-F]+)$#) {
44ad2978 KS	51	$project = $1;
	52	$action = "tree";
	53	$hash = $2;
a7e09a96	54	} elsif ($url_parm =~ m#/(.+)/log/([0-9]+)$#) {
52ccdd40 KS	55	$project = $1;
	56	$action = "log";
	57	$view_back = $2;
a7e09a96	58	} elsif ($url_parm =~ m#/(.+)/log$#) {
52ccdd40 KS	59	$project = $1;
52ccdd40 KS	60	$action = "log";
44ad2978	61	$view_back = 1;
e334d18c KS	62	} elsif ($url_parm =~ m#/(.+)/rss$#) {
	63	$project = $1;
	64	$action = "rss";
	65	$view_back = 1;
1b143380	66	} elsif ($url_parm =~ m#/git-logo.png$#) {
44ad2978 KS	67	print $cgi->header(-type => 'image/png');
	68	print "\211\120\116\107\015\012\032\012\000\000\000\015\111\110\104\122".
	69	"\000\000\000\110\000\000\000\033\004\003\000\000\000\055\331\324".
	70	"\055\000\000\000\030\120\114\124\105\377\377\377\140\140\135\260".
	71	"\257\252\000\200\000\316\315\307\300\000\000\350\350\346\367\367".
	72	"\366\225\014\247\107\000\000\000\163\111\104\101\124\050\317\143".
	73	"\110\147\040\004\112\134\030\012\010\052\142\123\141\040\002\010".
	74	"\015\151\105\254\241\241\001\060\014\223\140\066\046\122\221\261".
	75	"\001\021\326\341\125\144\154\154\314\154\154\014\242\014\160\052".
	76	"\142\006\052\301\142\035\263\001\002\123\244\010\350\000\003\030".
	77	"\046\126\021\324\341\040\227\033\340\264\016\065\044\161\051\202".
	78	"\231\060\270\223\012\021\271\105\210\301\215\240\242\104\041\006".
	79	"\047\101\202\100\205\301\105\211\040\160\001\000\244\075\041\305".
	80	"\022\034\232\376\000\000\000\000\111\105\116\104\256\102\140\202";
	81	exit;
a7e09a96	82	} elsif ($url_parm =~ m#/(.+)$#) {
1b143380 KS	83	$project = $1;
	84	$action = "log";
	85	$view_back = 1;
52ccdd40	86	}
52ccdd40	87
44ad2978	88	# sanitize input
a7e09a96	89	$project =~ s#\/\.+##g;
161332a5	90
a7e09a96	91	$ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/.git/objects";
823d5dc8	92
12a88f2f	93	sub git_header_html {
161332a5 KS	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>
ecb378f5	99	<title>git - $project $action</title>
e334d18c	100	<link rel="alternate" title="$project log" href="$myself/$project/rss" type="application/rss+xml">
161332a5 KS	101	<style type="text/css">
161332a5 KS	102	body { font-family: sans-serif; font-size: 12px; margin:25px; }
4c02e3c5	103	div.body { border-width:1px; border-style:solid; border-color:#D9D8D1; }
161332a5	104	div.head1 { font-size:20px; padding:8px; background-color: #D9D8D1; font-weight:bold; }
4c02e3c5 KS	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; }
3f714537	112	div.title { padding:8px; background-color: #D9D8D1; font-weight:bold; }
4c02e3c5 KS	113	table { padding:0px; margin:0px; width:100%; }
4c02e3c5 KS	114	tr { vertical-align:top; }
161332a5 KS	115	td { padding:8px; margin:0px; font-family: sans-serif; font-size: 12px; }
161332a5 KS	116	td.head1 { background-color: #D9D8D1; font-weight:bold; }
4c02e3c5 KS	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; }
161332a5	120	td.head2 { background-color: #EDECE6; font-family: monospace; font-size:12px; }
4c02e3c5	121	td.head3 { background-color: #EDECE6; font-size:10px; }
1b143380	122	div.signed_off { color: #a9a8a1; }
4c02e3c5 KS	123	a { color:#0000cc; }
	124	a:hover { color:#880000; }
	125	a:visited { color:#880000; }
	126	a:active { color:#880000; }
e334d18c	127	pre { padding:8px; }
161332a5 KS	128	</style>
	129	</head>
	130	<body>
	131	EOF
4c02e3c5 KS	132	print "<div class=\"body\">\n";
4c02e3c5 KS	133	print "<div class=\"head1\">";
44ad2978	134	print "<a href=\"http://kernel.org/pub/software/scm/git/\"><img src=\"$myself/git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
a7e09a96 KS	135	if ($defaultprojects ne "") {
	136	print $cgi->a({-href => "$myself"}, "projects") . " / ";
	137	}
161332a5	138	if ($project ne "") {
a7e09a96	139	print $cgi->a({-href => "$myself/$project/log"}, $project);
161332a5	140	}
4c02e3c5	141	if ($action ne "") {
ecb378f5	142	print " / $action";
4c02e3c5 KS	143	}
4c02e3c5 KS	144	print "</div>\n";
161332a5 KS	145	}
161332a5 KS	146
12a88f2f	147	sub git_footer_html {
161332a5 KS	148	print "</div>";
	149	print $cgi->end_html();
	150	}
	151
12a88f2f KS	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
703ac710 KS	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]+) (.)$/) {
3f714537 KS	178	$co{'author'} = $1;
	179	$co{'author_time'} = $2;
	180	$co{'author_timezone'} = $3;
703ac710 KS	181	}
703ac710 KS	182	}
3f714537 KS	183	$co{'parents'} = \@parents;
	184	my (@comment) = map { chomp; $_ } <$fd>;
	185	$co{'comment'} = \@comment;
	186	$co{'title'} = $comment[0];
703ac710	187	close $fd;
703ac710 KS	188	return %co;
	189	}
	190
4c02e3c5	191	sub git_diff {
c068cff1 KS	192	my $old_name = shift \|\| "/dev/null";
c068cff1 KS	193	my $new_name = shift \|\| "/dev/null";
4c02e3c5 KS	194	my $old = shift;
	195	my $new = shift;
	196
4c02e3c5 KS	197	my $tmp_old = "/dev/null";
4c02e3c5 KS	198	my $tmp_new = "/dev/null";
c068cff1 KS	199	my $old_label = "/dev/null";
c068cff1 KS	200	my $new_label = "/dev/null";
4c02e3c5	201
b531daf3	202	# create temp from-file
4c02e3c5 KS	203	if ($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";
c068cff1	212	$old_label = "a/$old_name";
4c02e3c5 KS	213	}
4c02e3c5 KS	214
b531daf3	215	# create tmp to-file
4c02e3c5 KS	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";
adf3ee8e	225	$new_label = "b/$new_name";
4c02e3c5 KS	226	}
4c02e3c5 KS	227
c068cff1	228	open my $fd, "-\|", "/usr/bin/diff", "-L", $old_label, "-L", $new_label, "-u", "-p", $tmp_old, $tmp_new;
1b143380	229	print "<span style =\"color: #000099;\">===== ";
c068cff1	230	if ($old ne "") {
44ad2978	231	print $cgi->a({-href => "$myself/$project/blob/$old"}, $old);
c068cff1 KS	232	} else {
	233	print $old_name;
	234	}
	235	print " vs ";
	236	if ($new ne "") {
44ad2978	237	print $cgi->a({-href => "$myself/$project/blob/$new"}, $new);
c068cff1 KS	238	} else {
	239	print $new_name;
	240	}
1b143380	241	print " =====</span>\n";
4c02e3c5 KS	242	while (my $line = <$fd>) {
4c02e3c5 KS	243	my $char = substr($line,0,1);
1b143380 KS	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 $char eq '@';
4c02e3c5	247	print escapeHTML($line);
1b143380	248	print '</span>' if $char eq '+' or $char eq '-' or $char eq '@';
4c02e3c5 KS	249	}
4c02e3c5 KS	250	close $fd;
c068cff1 KS	251	unlink("$gittmp/$new");
c068cff1 KS	252	unlink("$gittmp/$old");
4c02e3c5 KS	253	}
4c02e3c5 KS	254
161332a5	255	if ($project eq "") {
a7e09a96	256	opendir(my $fd, "$projectroot/$defaultprojects");
44ad2978 KS	257	my (@path) = grep(!/^\./, readdir($fd));
44ad2978 KS	258	closedir($fd);
12a88f2f	259	git_header_html();
e334d18c KS	260	print "<div class=\"head2\">\n";
e334d18c KS	261	print "<br/><br/>\n";
161332a5	262	foreach my $line (@path) {
a7e09a96 KS	263	if (-e "$projectroot/$defaultprojects/$line/.git/HEAD") {
a7e09a96 KS	264	print $cgi->a({-href => "$myself/$defaultprojects/$line/log"}, $line) . "<br/>\n";
161332a5 KS	265	}
161332a5 KS	266	}
e334d18c	267	print "</div><br/>";
12a88f2f	268	git_footer_html();
161332a5 KS	269	exit;
	270	}
	271
ecb378f5	272	if ($action eq "blob") {
12a88f2f	273	git_header_html();
e334d18c	274	print "<br/><br/>\n";
161332a5 KS	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 $fd;
	283	print "</pre>\n";
e334d18c	284	print "<br/>";
12a88f2f	285	git_footer_html();
4c02e3c5	286	} elsif ($action eq "tree") {
161332a5	287	if ($hash eq "") {
12a88f2f	288	$hash = git_head();
161332a5 KS	289	}
	290	open my $fd, "-\|", "$gitbin/ls-tree", $hash;
	291	my (@entries) = map { chomp; $_ } <$fd>;
	292	close $fd;
12a88f2f	293	git_header_html();
e334d18c	294	print "<br/><br/>\n";
161332a5 KS	295	print "<pre>\n";
161332a5 KS	296	foreach my $line (@entries) {
c068cff1	297	#'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c'
161332a5 KS	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") {
44ad2978	303	print "BLOB\t" . $cgi->a({-href => "$myself/$project/blob/$3"}, $4) . "\n";
161332a5	304	} elsif ($t_type eq "tree") {
44ad2978	305	print "TREE\t" . $cgi->a({-href => "$myself/$project/tree/$3"}, $4) . "\n";
161332a5 KS	306	}
	307	}
	308	print "</pre>\n";
e334d18c	309	print "<br/>";
12a88f2f	310	git_footer_html();
e334d18c	311	} elsif ($action eq "log" \|\| $action eq "rss") {
12a88f2f	312	open my $fd, "-\|", "$gitbin/rev-tree", git_head();
a7e09a96	313	my (@revtree) = reverse sort map { chomp; $_ } <$fd>;
161332a5	314	close $fd;
e334d18c KS	315
e334d18c KS	316	if ($action eq "log") {
12a88f2f	317	git_header_html();
e334d18c KS	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
a7e09a96 KS	339	for (my $i = 0; $i <= $#revtree; $i++) {
a7e09a96 KS	340	my $rev = $revtree[$i];
e334d18c	341	#foreach my $rev (@revtree) {
22fafb99	342	# '1114106118 755e3010ee10dadf42a8a80770e1b115fb038d9b:1 2af17b4854036a1c2ec6c101d93c8dd1ed80d24e:1'
b531daf3	343	last if !($rev =~ m/^([0-9]+) ([0-9a-fA-F]+).* ([0-9a-fA-F]+)/);
161332a5 KS	344	my $time = $1;
	345	my $commit = $2;
	346	my $parent = $3;
161332a5	347
3f714537 KS	348	my %co = git_commit($commit);
3f714537 KS	349	my $age = time - $co{'committer_time'};
161332a5 KS	350	my $age_string;
	351	if ($age > 6060243652) {
	352	$age_string = int $age/60/60/24/365;
	353	$age_string .= " years ago";
	354	} elsif ($age > 606024365/122) {
	355	$age_string = int $age/60/60/24/365/12;
	356	$age_string .= " months ago";
	357	} elsif ($age > 60602472) {
	358	$age_string = int $age/60/60/24/7;
	359	$age_string .= " weeks ago";
	360	} elsif ($age > 606024*2) {
	361	$age_string = int $age/60/60/24;
	362	$age_string .= " days ago";
	363	} elsif ($age > 60602) {
	364	$age_string = int $age/60/60;
	365	$age_string .= " hours ago";
	366	} elsif ($age > 60*2) {
	367	$age_string = int $age/60;
	368	$age_string .= " minutes ago";
	369	}
e334d18c KS	370	if ($action eq "log") {
	371	if ($view_back > 0 && $age > $view_back6060*24) {
	372	if ($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	}
a7e09a96	379	print "<tr>\n";
e334d18c	380	print "<td class=\"head1\">" . $age_string . "</td>\n";
3f714537	381	print "<td class=\"head1\">" . $cgi->a({-href => "$myself/$project/commit/$commit"}, $co{'title'}) . "</td>";
a7e09a96	382	print "</tr>\n";
e334d18c KS	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";
3f714537	387	print $cgi->a({-href => "$myself/$project/tree/$co{'tree'}"}, "view tree") . "<br/>\n";
e334d18c KS	388	print "</td>\n";
e334d18c KS	389	print "<td class=\"head2\">\n";
3f714537 KS	390	print "author    " . escapeHTML($co{'author'}) . " [" . gmtime($co{'author_time'}) . " " . $co{'author_timezone'} . "]<br/>\n";
3f714537 KS	391	print "committer " . escapeHTML($co{'committer'}) . " [" . gmtime($co{'committer_time'}) . " " . $co{'committer_timezone'} . "]<br/>\n";
e334d18c	392	print "commit    $commit<br/>\n";
3f714537 KS	393	print "tree      $co{'tree'}<br/>\n";
	394	my $parents = $co{'parents'};
	395	foreach my $par (@$parents) {
e334d18c KS	396	print "parent    $par<br/>\n";
	397	}
	398	print "</td>";
	399	print "</tr>\n";
	400	print "<tr>\n";
	401	print "<td></td>\n";
	402	print "<td>\n";
3f714537 KS	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($line) . "<br/>\n";
	409	}
	410	}
	411	print "<br/><br/>\n";
e334d18c KS	412	print "</td>";
	413	print "</tr>\n";
	414	} elsif ($action eq "rss") {
703ac710	415	last if ($i >= 12);
3f714537	416	print "<item>\n\t<title>$age_string: " . escapeHTML($co{'title'}) . "</title>\n";
703ac710 KS	417	print "\t<link> " . $cgi->url() . "/$project/commit/$commit</link>\n";
703ac710 KS	418	print "</item>\n";
161332a5	419	}
161332a5	420	}
e334d18c KS	421	if ($action eq "log") {
e334d18c KS	422	print "</table>\n";
12a88f2f	423	git_footer_html();
e334d18c KS	424	} elsif ($action eq "rss") {
	425	print "</channel></rss>";
	426	}
4c02e3c5	427	} elsif ($action eq "commit") {
823d5dc8 KS	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	}
3f714537 KS	437	my $title = <$fd>;
3f714537 KS	438	$title = escapeHTML($title);
823d5dc8 KS	439	close $fd;
	440
	441	open $fd, "-\|", "$gitbin/diff-tree", "-r", $parent, $hash;
161332a5 KS	442	my (@difftree) = map { chomp; $_ } <$fd>;
	443	close $fd;
	444
12a88f2f	445	git_header_html();
e334d18c KS	446	print "<div class=\"head2\">\n";
e334d18c KS	447	print "view " . $cgi->a({-href => "$myself/$project/commitdiff/$hash"}, "diff") . "</div><br/><br/>\n";
3f714537	448	print "<div class=\"title\">$title<br/></div>\n";
161332a5 KS	449	print "<pre>\n";
161332a5 KS	450	foreach my $line (@difftree) {
c068cff1 KS	451	# '*100644->100644 blob 9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596 net/ipv4/route.c'
c068cff1 KS	452	# '+100644 blob 4a83ab6cd565d21ab0385bac6643826b83c2fcd4 arch/arm/lib/bitops.h'
161332a5 KS	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 "+") {
1b143380	461	print "added\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
161332a5	462	} elsif ($op eq "-") {
1b143380	463	print "removed\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
161332a5 KS	464	} elsif ($op eq "*") {
	465	$id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
	466	my $old = $1;
	467	my $new = $2;
e334d18c	468	print "changed\t" . $cgi->a({-href => "$myself/$project/blobdiff/$old/$new"}, $file) . "\n";
161332a5 KS	469	}
	470	}
	471	}
	472	print "</pre>\n";
e334d18c	473	print "<br/>";
12a88f2f	474	git_footer_html();
e334d18c	475	} elsif ($action eq "blobdiff") {
12a88f2f	476	git_header_html();
e334d18c	477	print "<br/><br/>\n";
4c02e3c5	478	print "<pre>\n";
823d5dc8	479	git_diff($hash, $hash_parent, $hash, $hash_parent);
4c02e3c5	480	print "</pre>\n";
e334d18c	481	print "<br/>";
12a88f2f	482	git_footer_html();
e334d18c	483	} elsif ($action eq "commitdiff") {
823d5dc8 KS	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	}
3f714537 KS	493	my $title = <$fd>;
3f714537 KS	494	$title = escapeHTML($title);
823d5dc8 KS	495	close $fd;
	496
	497	open $fd, "-\|", "$gitbin/diff-tree", "-r", $parent, $hash;
4c02e3c5	498	my (@difftree) = map { chomp; $_ } <$fd>;
161332a5 KS	499	close $fd;
161332a5 KS	500
12a88f2f	501	git_header_html();
e334d18c KS	502	print "<div class=\"head2\">\n";
e334d18c KS	503	print "view " . $cgi->a({-href => "$myself/$project/commit/$hash"}, "commit") . "</div><br/><br/>\n";
3f714537	504	print "<div class=\"title\">$title<br/></div>\n";
161332a5	505	print "<pre>\n";
4c02e3c5	506	foreach my $line (@difftree) {
c068cff1	507	# '*100644->100644 blob 8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154 Makefile'
4c02e3c5 KS	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	}
161332a5	524	}
161332a5	525	print "</pre>\n";
e334d18c	526	print "<br/>";
12a88f2f	527	git_footer_html();
161332a5	528	}