X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=gitweb.cgi;h=c1bb62459d74c7340d64ea831bdc6bdc0ef5c312;hb=2326acfa95ac86a53804ca8eeeb482c2f9265e34;hp=6ab52218225d7bdf93438cc53538990ba276fb95;hpb=fa378499c7f935ba4bbeffe230cb4188e7317b30;p=git.git

diff --git a/gitweb.cgi b/gitweb.cgi
index 6ab52218..c1bb6245 100755
--- a/gitweb.cgi
+++ b/gitweb.cgi
@@ -1,33 +1,36 @@
 #!/usr/bin/perl
 
-# gitweb.pl - simple web interface to track changes in git repositories
+# gitweb - simple web interface to track changes in git repositories
 #
 # (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
 # (C) 2005, Christian Gierke <ch@gierke.de>
 #
-# This program is licensed under the GPL v2, or a later version
+# This program is licensed under the GPLv2
 
 use strict;
 use warnings;
-use CGI qw(:standard :escapeHTML);
+use CGI qw(:standard :escapeHTML -nosticky);
 use CGI::Util qw(unescape);
 use CGI::Carp qw(fatalsToBrowser);
+use Encode;
 use Fcntl ':mode';
+binmode STDOUT, ':utf8';
 
 my $cgi = new CGI;
-my $version =		"152";
+my $version =		"264";
 my $my_url =		$cgi->url();
 my $my_uri =		$cgi->url(-absolute => 1);
-my $rss_link = "";
+my $rss_link =		"";
 
 # absolute fs-path which will be prepended to the project path
-my $projectroot =	"/pub/scm";
+#my $projectroot =	"/pub/scm";
+my $projectroot =	"/home/kay/public_html/pub/scm";
 
 # location of the git-core binaries
 my $gitbin =		"/usr/bin";
 
 # location for temporary files needed for diffs
-my $gittmp =		"/tmp/gitweb";
+my $git_temp =		"/tmp/gitweb";
 
 # target of the home link on top of all pages
 my $home_link =		$my_uri;
@@ -36,33 +39,38 @@ my $home_link =		$my_uri;
 my $home_text =		"indextext.html";
 
 # source of projects list
-#my $projects_list = $projectroot;
-my $projects_list = "index/index.aux";
+#my $projects_list =	$projectroot;
+my $projects_list =	"index/index.aux";
 
 # input validation and dispatch
 my $action = $cgi->param('a');
 if (defined $action) {
-	if ($action =~ m/[^0-9a-zA-Z\.\-]+/) {
+	if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
 		undef $action;
 		die_error(undef, "Invalid action parameter.");
 	}
 	if ($action eq "git-logo.png") {
 		git_logo();
 		exit;
+	} elsif ($action eq "opml") {
+		git_opml();
+		exit;
+	}
+}
+
+my $order = $cgi->param('o');
+if (defined $order) {
+	if ($order =~ m/[^0-9a-zA-Z_]/) {
+		undef $order;
+		die_error(undef, "Invalid order parameter.");
 	}
-} else {
-	$action = "summary";
 }
 
 my $project = $cgi->param('p');
 if (defined $project) {
-	if ($project =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
-		undef $project;
-		die_error(undef, "Non-canonical project parameter.");
-	}
-	if ($project =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~]/) {
-		undef $project;
-		die_error(undef, "Invalid character in project parameter.");
+	$project = validate_input($project);
+	if (!defined($project)) {
+		die_error(undef, "Invalid project parameter.");
 	}
 	if (!(-d "$projectroot/$project")) {
 		undef $project;
@@ -72,9 +80,9 @@ if (defined $project) {
 		undef $project;
 		die_error(undef, "No such project.");
 	}
-	$rss_link = "<link rel=\"alternate\" title=\"$project log\" href=\"$my_uri?p=$project;a=rss\" type=\"application/rss+xml\"/>";
-	$ENV{'GIT_OBJECT_DIRECTORY'} = "$projectroot/$project/objects";
-	$ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects";
+	$rss_link = "<link rel=\"alternate\" title=\"" . esc_param($project) . " log\" href=\"" .
+		    "$my_uri?" . esc_param("p=$project;a=rss") . "\" type=\"application/rss+xml\"/>";
+	$ENV{'GIT_DIR'} = "$projectroot/$project";
 } else {
 	git_project_list();
 	exit;
@@ -82,47 +90,73 @@ if (defined $project) {
 
 my $file_name = $cgi->param('f');
 if (defined $file_name) {
-	if ($file_name =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
-		undef $file_name;
-		die_error(undef, "Non-canonical file parameter.");
-	}
-	if ($file_name =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~\:\!]/) {
-		undef $file_name;
-		die_error(undef, "Invalid character in file parameter.");
+	$file_name = validate_input($file_name);
+	if (!defined($file_name)) {
+		die_error(undef, "Invalid file parameter.");
 	}
 }
 
 my $hash = $cgi->param('h');
-if (defined $hash && !($hash =~ m/^[0-9a-fA-F]{40}$/)) {
-	undef $hash;
-	die_error(undef, "Invalid hash parameter.");
+if (defined $hash) {
+	$hash = validate_input($hash);
+	if (!defined($hash)) {
+		die_error(undef, "Invalid hash parameter.");
+	}
 }
 
 my $hash_parent = $cgi->param('hp');
-if (defined $hash_parent && !($hash_parent =~ m/^[0-9a-fA-F]{40}$/)) {
-	undef $hash_parent;
-	die_error(undef, "Invalid hash_parent parameter.");
+if (defined $hash_parent) {
+	$hash_parent = validate_input($hash_parent);
+	if (!defined($hash_parent)) {
+		die_error(undef, "Invalid hash parent parameter.");
+	}
 }
 
 my $hash_base = $cgi->param('hb');
-if (defined $hash_base && !($hash_base =~ m/^[0-9a-fA-F]{40}$/)) {
-	undef $hash_base;
-	die_error(undef, "Invalid parent hash parameter.");
+if (defined $hash_base) {
+	$hash_base = validate_input($hash_base);
+	if (!defined($hash_base)) {
+		die_error(undef, "Invalid hash base parameter.");
+	}
+}
+
+my $page = $cgi->param('pg');
+if (defined $page) {
+	if ($page =~ m/[^0-9]$/) {
+		undef $page;
+		die_error(undef, "Invalid page parameter.");
+	}
+}
+
+my $searchtext = $cgi->param('s');
+if (defined $searchtext) {
+	if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
+		undef $searchtext;
+		die_error(undef, "Invalid search parameter.");
+	}
+	$searchtext = quotemeta $searchtext;
 }
 
-my $time_back = $cgi->param('t');
-if (defined $time_back) {
-	if ($time_back =~ m/^[^0-9]+$/) {
-		undef $time_back;
-		die_error(undef, "Invalid time parameter.");
+sub validate_input {
+	my $input = shift;
+
+	if ($input =~ m/^[0-9a-fA-F]{40}$/) {
+		return $input;
+	}
+	if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
+		return undef;
 	}
+	if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
+		return undef;
+	}
+	return $input;
 }
 
-if ($action eq "summary") {
+if (!defined $action || $action eq "summary") {
 	git_summary();
 	exit;
-} elsif ($action eq "branches") {
-	git_branches();
+} elsif ($action eq "heads") {
+	git_heads();
 	exit;
 } elsif ($action eq "tags") {
 	git_tags();
@@ -130,6 +164,9 @@ if ($action eq "summary") {
 } elsif ($action eq "blob") {
 	git_blob();
 	exit;
+} elsif ($action eq "blob_plain") {
+	git_blob_plain();
+	exit;
 } elsif ($action eq "tree") {
 	git_tree();
 	exit;
@@ -145,20 +182,64 @@ if ($action eq "summary") {
 } elsif ($action eq "blobdiff") {
 	git_blobdiff();
 	exit;
+} elsif ($action eq "blobdiff_plain") {
+	git_blobdiff_plain();
+	exit;
 } elsif ($action eq "commitdiff") {
 	git_commitdiff();
 	exit;
+} elsif ($action eq "commitdiff_plain") {
+	git_commitdiff_plain();
+	exit;
 } elsif ($action eq "history") {
 	git_history();
 	exit;
+} elsif ($action eq "search") {
+	git_search();
+	exit;
+} elsif ($action eq "shortlog") {
+	git_shortlog();
+	exit;
+} elsif ($action eq "tag") {
+	git_tag();
+	exit;
 } else {
 	undef $action;
 	die_error(undef, "Unknown action.");
 	exit;
 }
 
+# quote unsafe chars, but keep the slash, even when it's not
+# correct, but quoted slashes look too horrible in bookmarks
+sub esc_param {
+	my $str = shift;
+	$str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
+	$str =~ s/\+/%2B/g;
+	$str =~ s/ /\+/g;
+	return $str;
+}
+
+# replace invalid utf8 character with SUBSTITUTION sequence
+sub esc_html {
+	my $str = shift;
+	$str = decode("utf8", $str, Encode::FB_DEFAULT);
+	$str = escapeHTML($str);
+	return $str;
+}
+
+# git may return quoted and escaped filenames
+sub unquote {
+	my $str = shift;
+	if ($str =~ m/^"(.*)"$/) {
+		$str = $1;
+		$str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
+	}
+	return $str;
+}
+
 sub git_header_html {
 	my $status = shift || "200 OK";
+	my $expires = shift;
 
 	my $title = "git";
 	if (defined $project) {
@@ -167,25 +248,30 @@ sub git_header_html {
 			$title .= "/$action";
 		}
 	}
-	print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status);
+	print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status, -expires => $expires);
 	print <<EOF;
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 <!-- git web interface v$version, (C) 2005, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke <ch\@gierke.de> -->
 <head>
+<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
+<meta name="robots" content="index, nofollow"/>
 <title>$title</title>
 $rss_link
 <style type="text/css">
-body { font-family: sans-serif; font-size: 12px; margin:0px; border:solid #d9d8d1; border-width:1px; margin:10px; }
+body {
+	font-family: sans-serif; font-size: 12px; border:solid #d9d8d1; border-width:1px;
+	margin:10px; background-color:#ffffff; color:#000000;
+}
 a { color:#0000cc; }
 a:hover, a:visited, a:active { color:#880000; }
 div.page_header { height:25px; padding:8px; font-size:18px; font-weight:bold; background-color:#d9d8d1; }
-div.page_header a:visited { color:#0000cc; }
+div.page_header a:visited, a.header { color:#0000cc; }
 div.page_header a:hover { color:#880000; }
 div.page_nav { padding:8px; }
 div.page_nav a:visited { color:#0000cc; }
-div.page_path { font-weight:bold; padding:8px; border:solid #d9d8d1; border-width:0px 0px 1px}
+div.page_path { padding:8px; border:solid #d9d8d1; border-width:0px 0px 1px}
 div.page_footer { height:17px; padding:4px 8px; background-color: #d9d8d1; }
 div.page_footer_text { float:left; color:#555555; font-style:italic; }
 div.page_body { padding:8px; }
@@ -194,51 +280,78 @@ div.title, a.title {
 	font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
 }
 a.title:hover { background-color: #d9d8d1; }
-div.title_text { padding:6px 8px; border: solid #d9d8d1; border-width:0px 0px 1px; }
+div.title_text { padding:6px 0px; border: solid #d9d8d1; border-width:0px 0px 1px; }
 div.log_body { padding:8px 8px 8px 150px; }
 span.age { position:relative; float:left; width:142px; font-style:italic; }
 div.log_link {
+	padding:0px 8px;
 	font-size:10px; font-family:sans-serif; font-style:normal;
-	position:relative; float:left; width:142px;
-}
-div.list { display:block; padding:4px 8px 2px; }
-div.list_head {
-	display:block; padding:6px 6px 4px; border:solid #d9d8d1;
-	border-width:0px 0px 1px; font-style:italic;
-}
-div.list a { text-decoration:none; color:#000000; }
-div.list a:hover { color:#880000; }
-div.list_link {
-	padding:4px 8px 6px; border:solid #d9d8d1; border-width:0px 0px 1px;
-	font-family:sans-serif; font-size:10px;
+	position:relative; float:left; width:136px;
 }
-td { padding:5px 15px 0px 0px; font-size:12px; }
-th { padding-right:10px; font-size:12px; text-align:left; }
-td.link { font-family:sans-serif; font-size:10px; }
-td.pre { font-family:monospace; font-size:12px; white-space:pre; padding:2px 15px 0px 0px; }
+div.list_head { padding:6px 8px 4px; border:solid #d9d8d1; border-width:1px 0px 0px; font-style:italic; }
+a.list { text-decoration:none; color:#000000; }
+a.list:hover { text-decoration:underline; color:#880000; }
+a.text { text-decoration:none; color:#0000cc; }
+a.text:visited { text-decoration:none; color:#880000; }
+a.text:hover { text-decoration:underline; color:#880000; }
+table { padding:8px 4px; }
+th { padding:2px 5px; font-size:12px; text-align:left; }
+tr.light:hover { background-color:#edece6; }
+tr.dark { background-color:#f6f6f0; }
+tr.dark:hover { background-color:#edece6; }
+td { padding:2px 5px; font-size:12px; vertical-align:top; }
+td.link { padding:2px 5px; font-family:sans-serif; font-size:10px; }
 div.pre { font-family:monospace; font-size:12px; white-space:pre; }
 div.diff_info { font-family:monospace; color:#000099; background-color:#edece6; font-style:italic; }
 div.index_include { border:solid #d9d8d1; border-width:0px 0px 1px; padding:12px 8px; }
-a.rss_logo { float:right; padding:3px 0px; width:35px; line-height:10px;
+div.search { margin:4px 8px; position:absolute; top:56px; right:12px }
+a.linenr { color:#999999; text-decoration:none }
+a.rss_logo {
+	float:right; padding:3px 0px; width:35px; line-height:10px;
 	border:1px solid; border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e;
 	color:#ffffff; background-color:#ff6600;
 	font-weight:bold; font-family:sans-serif; font-size:10px;
 	text-align:center; text-decoration:none;
 }
 a.rss_logo:hover { background-color:#ee5500; }
+span.tag {
+	padding:0px 4px; font-size:10px; font-weight:normal;
+	background-color:#ffffaa; border:1px solid; border-color:#ffffcc #ffee00 #ffee00 #ffffcc;
+}
 </style>
 </head>
 <body>
 EOF
 	print "<div class=\"page_header\">\n" .
-	      "<a href=\"http://kernel.org/pub/software/scm/git/docs/\">" .
-	      "<img src=\"$my_uri?a=git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
-	print $cgi->a({-href => $home_link}, "projects") . " / ";
+	      "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
+	      "<img src=\"$my_uri?" . esc_param("a=git-logo.png") . "\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
+	      "</a>\n";
+	print $cgi->a({-href => esc_param($home_link)}, "projects") . " / ";
 	if (defined $project) {
-		print $cgi->a({-href => "$my_uri?p=$project;a=summary"}, escapeHTML($project));
+		print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, esc_html($project));
 		if (defined $action) {
 			print " / $action";
 		}
+		print "\n";
+		if (!defined $searchtext) {
+			$searchtext = "";
+		}
+		my $search_hash;
+		if (defined $hash) {
+			$search_hash = $hash;
+		} else {
+			$search_hash  = "HEAD";
+		}
+		$cgi->param("a", "search");
+		$cgi->param("h", $search_hash);
+		print $cgi->startform(-method => "get", -action => $my_uri) .
+		      "<div class=\"search\">\n" .
+		      $cgi->hidden(-name => "p") . "\n" .
+		      $cgi->hidden(-name => "a") . "\n" .
+		      $cgi->hidden(-name => "h") . "\n" .
+		      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
+		      "</div>" .
+		      $cgi->end_form() . "\n";
 	}
 	print "</div>\n";
 }
@@ -248,9 +361,11 @@ sub git_footer_html {
 	if (defined $project) {
 		my $descr = git_read_description($project);
 		if (defined $descr) {
-			print "<div class=\"page_footer_text\">" . escapeHTML($descr) . "</div>\n";
+			print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
 		}
-		print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "rss_logo"}, "RSS") . "\n";
+		print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=rss"), -class => "rss_logo"}, "RSS") . "\n";
+	} else {
+		print $cgi->a({-href => "$my_uri?" . esc_param("a=opml"), -class => "rss_logo"}, "OPML") . "\n";
 	}
 	print "</div>\n" .
 	      "</body>\n" .
@@ -263,9 +378,10 @@ sub die_error {
 
 	git_header_html($status);
 	print "<div class=\"page_body\">\n" .
-	      "<br/><br/>\n";
-	print "$status - $error\n";
-	print "<br/></div>\n";
+	      "<br/><br/>\n" .
+	      "$status - $error\n" .
+	      "<br/>\n" .
+	      "</div>\n";
 	git_footer_html();
 	exit;
 }
@@ -273,17 +389,35 @@ sub die_error {
 sub git_get_type {
 	my $hash = shift;
 
-	open my $fd, "-|", "$gitbin/git-cat-file -t $hash" || return;
+	open my $fd, "-|", "$gitbin/git-cat-file -t $hash" or return;
 	my $type = <$fd>;
-	close $fd;
+	close $fd or return;
 	chomp $type;
 	return $type;
 }
 
+sub git_read_head {
+	my $project = shift;
+	my $oENV = $ENV{'GIT_DIR'};
+	my $retval = undef;
+	$ENV{'GIT_DIR'} = "$projectroot/$project";
+	if (open my $fd, "-|", "$gitbin/git-rev-parse", "--verify", "HEAD") {
+		my $head = <$fd>;
+		close $fd;
+		if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
+			$retval = $1;
+		}
+	}
+	if (defined $oENV) {
+		$ENV{'GIT_DIR'} = $oENV;
+	}
+	return $retval;
+}
+
 sub git_read_hash {
 	my $path = shift;
 
-	open my $fd, "$projectroot/$path" || return undef;
+	open my $fd, "$projectroot/$path" or return undef;
 	my $head = <$fd>;
 	close $fd;
 	chomp $head;
@@ -295,7 +429,7 @@ sub git_read_hash {
 sub git_read_description {
 	my $path = shift;
 
-	open my $fd, "$projectroot/$path/description" || return undef;
+	open my $fd, "$projectroot/$path/description" or return undef;
 	my $descr = <$fd>;
 	close $fd;
 	chomp $descr;
@@ -305,44 +439,106 @@ sub git_read_description {
 sub git_read_tag {
 	my $tag_id = shift;
 	my %tag;
+	my @comment;
 
-	open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" || return;
+	open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" or return;
+	$tag{'id'} = $tag_id;
 	while (my $line = <$fd>) {
 		chomp $line;
 		if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 			$tag{'object'} = $1;
-		} elsif ($line =~ m/^type (.*)$/) {
+		} elsif ($line =~ m/^type (.+)$/) {
 			$tag{'type'} = $1;
-		} elsif ($line =~ m/^tag (.*)$/) {
+		} elsif ($line =~ m/^tag (.+)$/) {
 			$tag{'name'} = $1;
+		} elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
+			$tag{'author'} = $1;
+			$tag{'epoch'} = $2;
+			$tag{'tz'} = $3;
+		} elsif ($line =~ m/--BEGIN/) {
+			push @comment, $line;
+			last;
+		} elsif ($line eq "") {
+			last;
 		}
 	}
-	close $fd || return;
+	push @comment, <$fd>;
+	$tag{'comment'} = \@comment;
+	close $fd or return;
 	if (!defined $tag{'name'}) {
 		return
 	};
 	return %tag
 }
 
+sub age_string {
+	my $age = shift;
+	my $age_str;
+
+	if ($age > 60*60*24*365*2) {
+		$age_str = (int $age/60/60/24/365);
+		$age_str .= " years ago";
+	} elsif ($age > 60*60*24*(365/12)*2) {
+		$age_str = int $age/60/60/24/(365/12);
+		$age_str .= " months ago";
+	} elsif ($age > 60*60*24*7*2) {
+		$age_str = int $age/60/60/24/7;
+		$age_str .= " weeks ago";
+	} elsif ($age > 60*60*24*2) {
+		$age_str = int $age/60/60/24;
+		$age_str .= " days ago";
+	} elsif ($age > 60*60*2) {
+		$age_str = int $age/60/60;
+		$age_str .= " hours ago";
+	} elsif ($age > 60*2) {
+		$age_str = int $age/60;
+		$age_str .= " min ago";
+	} elsif ($age > 2) {
+		$age_str = int $age;
+		$age_str .= " sec ago";
+	} else {
+		$age_str .= " right now";
+	}
+	return $age_str;
+}
+
 sub git_read_commit {
-	my $commit = shift;
+	my $commit_id = shift;
+	my $commit_text = shift;
+
+	my @commit_lines;
 	my %co;
-	my @parents;
 
-	open my $fd, "-|", "$gitbin/git-cat-file commit $commit" || return;
-	while (my $line = <$fd>) {
+	if (defined $commit_text) {
+		@commit_lines = @$commit_text;
+	} else {
+		$/ = "\0";
+		open my $fd, "-|", "$gitbin/git-rev-list --header --parents --max-count=1 $commit_id" or return;
+		@commit_lines = split '\n', <$fd>;
+		close $fd or return;
+		$/ = "\n";
+		pop @commit_lines;
+	}
+	my $header = shift @commit_lines;
+	if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
+		return;
+	}
+	($co{'id'}, my @parents) = split ' ', $header;
+	$co{'parents'} = \@parents;
+	$co{'parent'} = $parents[0];
+	while (my $line = shift @commit_lines) {
 		last if $line eq "\n";
-		chomp $line;
-		if ($line =~ m/^tree (.*)$/) {
+		if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 			$co{'tree'} = $1;
-		} elsif ($line =~ m/^parent (.*)$/) {
-			push @parents, $1;
 		} elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 			$co{'author'} = $1;
 			$co{'author_epoch'} = $2;
 			$co{'author_tz'} = $3;
-			$co{'author_name'} = $co{'author'};
-			$co{'author_name'} =~ s/ <.*//;
+			if ($co{'author'} =~ m/^([^<]+) </) {
+				$co{'author_name'} = $1;
+			} else {
+				$co{'author_name'} = $co{'author'};
+			}
 		} elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 			$co{'committer'} = $1;
 			$co{'committer_epoch'} = $2;
@@ -352,54 +548,60 @@ sub git_read_commit {
 		}
 	}
 	if (!defined $co{'tree'}) {
-		close $fd;
-		return undef
+		return;
 	};
-	$co{'parents'} = \@parents;
-	$co{'parent'} = $parents[0];
-	my (@comment) = map { chomp; $_ } <$fd>;
-	$co{'comment'} = \@comment;
-	$comment[0] =~ m/^(.{0,60}[^ ]*)/;
-	$co{'title'} = $1;
-	if ($comment[0] ne $co{'title'}) {
-		$co{'title'} .= " ...";
+
+	foreach my $title (@commit_lines) {
+		$title =~ s/^    //;
+		if ($title ne "") {
+			$co{'title'} = chop_str($title, 80, 5);
+			# remove leading stuff of merges to make the interesting part visible
+			if (length($title) > 50) {
+				$title =~ s/^Automatic //;
+				$title =~ s/^merge (of|with) /Merge ... /i;
+				if (length($title) > 50) {
+					$title =~ s/(http|rsync):\/\///;
+				}
+				if (length($title) > 50) {
+					$title =~ s/(master|www|rsync)\.//;
+				}
+				if (length($title) > 50) {
+					$title =~ s/kernel.org:?//;
+				}
+				if (length($title) > 50) {
+					$title =~ s/\/pub\/scm//;
+				}
+			}
+			$co{'title_short'} = chop_str($title, 50, 5);
+			last;
+		}
+	}
+	# remove added spaces
+	foreach my $line (@commit_lines) {
+		$line =~ s/^    //;
 	}
-	close $fd || return;
+	$co{'comment'} = \@commit_lines;
 
 	my $age = time - $co{'committer_epoch'};
 	$co{'age'} = $age;
-	if ($age > 60*60*24*365*2) {
-		$co{'age_string'} = (int $age/60/60/24/365);
-		$co{'age_string'} .= " years ago";
-	} elsif ($age > 60*60*24*(365/12)*2) {
-		$co{'age_string'} = int $age/60/60/24/(365/12);
-		$co{'age_string'} .= " months ago";
-	} elsif ($age > 60*60*24*7*2) {
-		$co{'age_string'} = int $age/60/60/24/7;
-		$co{'age_string'} .= " weeks ago";
-	} elsif ($age > 60*60*24*2) {
-		$co{'age_string'} = int $age/60/60/24;
-		$co{'age_string'} .= " days ago";
-	} elsif ($age > 60*60*2) {
-		$co{'age_string'} = int $age/60/60;
-		$co{'age_string'} .= " hours ago";
-	} elsif ($age > 60*2) {
-		$co{'age_string'} = int $age/60;
-		$co{'age_string'} .= " min ago";
-	} elsif ($age > 2) {
-		$co{'age_string'} = int $age;
-		$co{'age_string'} .= " sec ago";
+	$co{'age_string'} = age_string($age);
+	my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
+	if ($age > 60*60*24*7*2) {
+		$co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
+		$co{'age_string_age'} = $co{'age_string'};
 	} else {
-		$co{'age_string'} .= " right now";
+		$co{'age_string_date'} = $co{'age_string'};
+		$co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 	}
 	return %co;
 }
 
-sub git_diff_html {
+sub git_diff_print {
 	my $from = shift;
 	my $from_name = shift;
 	my $to = shift;
 	my $to_name = shift;
+	my $format = shift || "html";
 
 	my $from_tmp = "/dev/null";
 	my $to_tmp = "/dev/null";
@@ -407,7 +609,7 @@ sub git_diff_html {
 
 	# create tmp from-file
 	if (defined $from) {
-		$from_tmp = "$gittmp/gitweb_" . $$ . "_from";
+		$from_tmp = "$git_temp/gitweb_" . $$ . "_from";
 		open my $fd2, "> $from_tmp";
 		open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 		my @file = <$fd>;
@@ -418,7 +620,7 @@ sub git_diff_html {
 
 	# create tmp to-file
 	if (defined $to) {
-		$to_tmp = "$gittmp/gitweb_" . $$ . "_to";
+		$to_tmp = "$git_temp/gitweb_" . $$ . "_to";
 		open my $fd2, "> $to_tmp";
 		open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 		my @file = <$fd>;
@@ -427,22 +629,34 @@ sub git_diff_html {
 		close $fd;
 	}
 
-	open my $fd, "-|", "/usr/bin/diff -u -p -L $from_name -L $to_name $from_tmp $to_tmp";
-	while (my $line = <$fd>) {
-		chomp($line);
-		my $char = substr($line, 0, 1);
-		my $color = "";
-		if ($char eq '+') {
-			$color = " style=\"color:#008800;\"";
-		} elsif ($char eq '-') {
-			$color = " style=\"color:#cc0000;\"";
-		} elsif ($char eq '@') {
-			$color = " style=\"color:#990099;\"";
-		} elsif ($char eq '\\') {
-			# skip errors
-			next;
+	open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
+	if ($format eq "plain") {
+		undef $/;
+		print <$fd>;
+		$/ = "\n";
+	} else {
+		while (my $line = <$fd>) {
+			chomp($line);
+			my $char = substr($line, 0, 1);
+			my $color = "";
+			if ($char eq '+') {
+				$color = " style=\"color:#008800;\"";
+			} elsif ($char eq "-") {
+				$color = " style=\"color:#cc0000;\"";
+			} elsif ($char eq "@") {
+				$color = " style=\"color:#990099;\"";
+			} elsif ($char eq "\\") {
+				# skip errors
+				next;
+			}
+			while ((my $pos = index($line, "\t")) != -1) {
+				if (my $count = (8 - (($pos-1) % 8))) {
+					my $spaces = ' ' x $count;
+					$line =~ s/\t/$spaces/;
+				}
+			}
+			print "<div class=\"pre\"$color>" . esc_html($line) . "</div>\n";
 		}
-		print "<div class=\"pre\"$color>" . escapeHTML($line) . "</div>\n";
 	}
 	close $fd;
 
@@ -473,6 +687,22 @@ sub mode_str {
 	}
 }
 
+sub chop_str {
+	my $str = shift;
+	my $len = shift;
+	my $add_len = shift || 10;
+
+	# allow only $len chars, but don't cut a word if it would fit in $add_len
+	# if it doesn't fit, cut it if it's still longer than the dots we would add
+	$str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
+	my $body = $1;
+	my $tail = $2;
+	if (length($tail) > 4) {
+		$tail = " ...";
+	}
+	return "$body$tail";
+}
+
 sub file_type {
 	my $mode = oct shift;
 
@@ -487,6 +717,21 @@ sub file_type {
 	}
 }
 
+sub format_log_line_html {
+	my $line = shift;
+
+	$line = esc_html($line);
+	$line =~ s/ /&nbsp;/g;
+	if ($line =~ m/([0-9a-fA-F]{40})/) {
+		my $hash_text = $1;
+		if (git_get_type($hash_text) eq "commit") {
+			my $link = $cgi->a({-class => "text", -href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_text")}, $hash_text);
+			$line =~ s/$hash_text/$link/;
+		}
+	}
+	return $line;
+}
+
 sub date_str {
 	my $epoch = shift;
 	my $tz = shift || "-0000";
@@ -514,6 +759,7 @@ sub date_str {
 
 # git-logo (cached in browser for one day)
 sub git_logo {
+	binmode STDOUT, ':raw';
 	print $cgi->header(-type => 'image/png', -expires => '+1d');
 	# cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 	print	"\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
@@ -544,13 +790,13 @@ sub get_file_owner {
 	return $owner;
 }
 
-sub git_project_list {
+sub git_read_projects {
 	my @list;
 
 	if (-d $projects_list) {
 		# search in directory
 		my $dir = $projects_list;
-		opendir my $dh, $dir || return undef;
+		opendir my $dh, $dir or return undef;
 		while (my $dir = readdir($dh)) {
 			if (-e "$projectroot/$dir/HEAD") {
 				my $pr = {
@@ -561,10 +807,11 @@ sub git_project_list {
 		}
 		closedir($dh);
 	} elsif (-f $projects_list) {
-		# read from file:
-		# 'git/git.git:Linus Torvalds'
-		# 'linux/hotplug/udev.git'
-		open my $fd , $projects_list || return undef;
+		# read from file(url-encoded):
+		# 'git%2Fgit.git Linus+Torvalds'
+		# 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
+		# 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
+		open my $fd , $projects_list or return undef;
 		while (my $line = <$fd>) {
 			chomp $line;
 			my ($path, $owner) = split ' ', $line;
@@ -583,12 +830,36 @@ sub git_project_list {
 		}
 		close $fd;
 	}
+	@list = sort {$a->{'path'} cmp $b->{'path'}} @list;
+	return @list;
+}
 
+sub git_project_list {
+	my @list = git_read_projects();
+	my @projects;
 	if (!@list) {
 		die_error(undef, "No project found.");
 	}
-	@list = sort {$a->{'path'} cmp $b->{'path'}} @list;
-
+	foreach my $pr (@list) {
+		my $head = git_read_head($pr->{'path'});
+		if (!defined $head) {
+			next;
+		}
+		$ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
+		my %co = git_read_commit($head);
+		if (!%co) {
+			next;
+		}
+		$pr->{'commit'} = \%co;
+		if (!defined $pr->{'descr'}) {
+			my $descr = git_read_description($pr->{'path'}) || "";
+			$pr->{'descr'} = chop_str($descr, 25, 5);
+		}
+		if (!defined $pr->{'owner'}) {
+			$pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
+		}
+		push @projects, $pr;
+	}
 	git_header_html();
 	if (-f $home_text) {
 		print "<div class=\"index_include\">\n";
@@ -597,87 +868,140 @@ sub git_project_list {
 		close $fd;
 		print "</div>\n";
 	}
-	print "<div class=\"page_body\"><br/>\n" .
-	      "<table cellspacing=\"0\">\n" .
-	      "<tr>\n" .
-	      "<th>Project</th>\n" .
-	      "<th>Description</th>\n" .
-	      "<th>Owner</th>\n" .
-	      "<th>last change</th>\n" .
-	      "<th></th>\n" .
+	print "<table cellspacing=\"0\">\n" .
+	      "<tr>\n";
+	if (!defined($order) || (defined($order) && ($order eq "project"))) {
+		@projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
+		print "<th>Project</th>\n";
+	} else {
+		print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=project")}, "Project") . "</th>\n";
+	}
+	if (defined($order) && ($order eq "descr")) {
+		@projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
+		print "<th>Description</th>\n";
+	} else {
+		print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=descr")}, "Description") . "</th>\n";
+	}
+	if (defined($order) && ($order eq "owner")) {
+		@projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
+		print "<th>Owner</th>\n";
+	} else {
+		print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=owner")}, "Owner") . "</th>\n";
+	}
+	if (defined($order) && ($order eq "age")) {
+		@projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
+		print "<th>Last Change</th>\n";
+	} else {
+		print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=age")}, "Last Change") . "</th>\n";
+	}
+	print "<th></th>\n" .
 	      "</tr>\n";
-	foreach my $pr (@list) {
-		my %proj = %$pr;
-		my $head = git_read_hash("$proj{'path'}/HEAD");
-		if (!defined $head) {
-			next;
-		}
-		$ENV{'GIT_OBJECT_DIRECTORY'} = "$projectroot/$proj{'path'}/objects";
-		$ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$proj{'path'}/objects";
-		my %co = git_read_commit($head);
-		if (!%co) {
-			next;
-		}
-		my $descr = git_read_description($proj{'path'}) || "";
-		# get directory owner if not already specified
-		if (!defined $proj{'owner'}) {
-			$proj{'owner'} = get_file_owner("$projectroot/$proj{'path'}") || "";
+	my $alternate = 0;
+	foreach my $pr (@projects) {
+		if ($alternate) {
+			print "<tr class=\"dark\">\n";
+		} else {
+			print "<tr class=\"light\">\n";
 		}
-		print "<tr>\n" .
-		      "<td>" . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=summary"}, escapeHTML($proj{'path'})) . "</td>\n" .
-		      "<td>$descr</td>\n" .
-		      "<td><i>$proj{'owner'}</i></td>\n";
+		$alternate ^= 1;
+		print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary"), -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
+		      "<td>$pr->{'descr'}</td>\n" .
+		      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
 		my $colored_age;
-		if ($co{'age'} < 60*60*2) {
-			$colored_age = "<span style =\"color: #009900;\"><b><i>$co{'age_string'}</i></b></span>";
-		} elsif ($co{'age'} < 60*60*24*2) {
-			$colored_age = "<span style =\"color: #009900;\"><i>$co{'age_string'}</i></span>";
+		if ($pr->{'commit'}{'age'} < 60*60*2) {
+			$colored_age = "<span style =\"color: #009900;\"><b><i>$pr->{'commit'}{'age_string'}</i></b></span>";
+		} elsif ($pr->{'commit'}{'age'} < 60*60*24*2) {
+			$colored_age = "<span style =\"color: #009900;\"><i>$pr->{'commit'}{'age_string'}</i></span>";
 		} else {
-			$colored_age = "<i>$co{'age_string'}</i>";
+			$colored_age = "<i>$pr->{'commit'}{'age_string'}</i>";
 		}
 		print "<td>$colored_age</td>\n" .
 		      "<td class=\"link\">" .
-		      $cgi->a({-href => "$my_uri?p=$proj{'path'};a=summary"}, "summary") .
-		      " | " . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=log"}, "log") .
-		      " | " . $cgi->a({-href => "$my_uri?p=$proj{'path'};a=tree"}, "tree") .
+		      $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary")}, "summary") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=shortlog")}, "shortlog") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=log")}, "log") .
 		      "</td>\n" .
 		      "</tr>\n";
 	}
-	print "</table>\n" .
-	      "<br/>\n" .
-	      "</div>\n";
+	print "</table>\n";
 	git_footer_html();
 }
 
+sub read_info_ref {
+	my $type = shift || "";
+	my %refs;
+	# 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c	refs/tags/v2.6.11
+	# c39ae07f393806ccf406ef966e9a15afc43cc36a	refs/tags/v2.6.11^{}
+	open my $fd, "$projectroot/$project/info/refs" or return;
+	while (my $line = <$fd>) {
+		chomp($line);
+		if ($line =~ m/^([0-9a-fA-F]{40})\t.*$type\/([^\^]+)/) {
+			if (defined $refs{$1}) {
+				$refs{$1} .= " / $2";
+			} else {
+				$refs{$1} = $2;
+			}
+		}
+	}
+	close $fd or return;
+	return \%refs;
+}
+
 sub git_read_refs {
 	my $ref_dir = shift;
 	my @reflist;
 
+	my @refs;
 	opendir my $dh, "$projectroot/$project/$ref_dir";
-	my @refs = grep !m/^\./, readdir $dh;
+	while (my $dir = readdir($dh)) {
+		if ($dir =~ m/^\./) {
+			next;
+		}
+		if (-d "$projectroot/$project/$ref_dir/$dir") {
+			opendir my $dh2, "$projectroot/$project/$ref_dir/$dir";
+			my @subdirs = grep !m/^\./, readdir $dh2;
+			closedir($dh2);
+			foreach my $subdir (@subdirs) {
+				push @refs, "$dir/$subdir"
+			}
+			next;
+		}
+		push @refs, $dir;
+	}
 	closedir($dh);
 	foreach my $ref_file (@refs) {
 		my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 		my $type = git_get_type($ref_id) || next;
 		my %ref_item;
 		my %co;
+		$ref_item{'type'} = $type;
+		$ref_item{'id'} = $ref_id;
+		$ref_item{'epoch'} = 0;
+		$ref_item{'age'} = "unknown";
 		if ($type eq "tag") {
 			my %tag = git_read_tag($ref_id);
+			$ref_item{'comment'} = $tag{'comment'};
 			if ($tag{'type'} eq "commit") {
 				%co = git_read_commit($tag{'object'});
+				$ref_item{'epoch'} = $co{'committer_epoch'};
+				$ref_item{'age'} = $co{'age_string'};
+			} elsif (defined($tag{'epoch'})) {
+				my $age = time - $tag{'epoch'};
+				$ref_item{'epoch'} = $tag{'epoch'};
+				$ref_item{'age'} = age_string($age);
 			}
-			$ref_item{'type'} = $tag{'type'};
+			$ref_item{'reftype'} = $tag{'type'};
 			$ref_item{'name'} = $tag{'name'};
-			$ref_item{'id'} = $tag{'object'};
+			$ref_item{'refid'} = $tag{'object'};
 		} elsif ($type eq "commit"){
 			%co = git_read_commit($ref_id);
-			$ref_item{'type'} = "commit";
+			$ref_item{'reftype'} = "commit";
 			$ref_item{'name'} = $ref_file;
 			$ref_item{'title'} = $co{'title'};
-			$ref_item{'id'} = $ref_id;
+			$ref_item{'refid'} = $ref_id;
+			$ref_item{'epoch'} = $co{'committer_epoch'};
+			$ref_item{'age'} = $co{'age_string'};
 		}
-		$ref_item{'epoch'} = $co{'committer_epoch'} || 0;
-		$ref_item{'age'} = $co{'age_string'} || "unknown";
 
 		push @reflist, \%ref_item;
 	}
@@ -688,9 +1012,7 @@ sub git_read_refs {
 
 sub git_summary {
 	my $descr = git_read_description($project) || "none";
-	my $head = git_read_hash("$project/HEAD");
-	$ENV{'GIT_OBJECT_DIRECTORY'} = "$projectroot/$project/objects";
-	$ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects";
+	my $head = git_read_head($project);
 	my %co = git_read_commit($head);
 	my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 
@@ -713,168 +1035,317 @@ sub git_summary {
 		$owner = get_file_owner("$projectroot/$project");
 	}
 
+	my $refs = read_info_ref();
 	git_header_html();
 	print "<div class=\"page_nav\">\n" .
-	      $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
-	      " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
+	      "summary".
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree")}, "tree") .
 	      "<br/><br/>\n" .
 	      "</div>\n";
-	print "<div class=\"title\">project</div>\n";
-	print "<div class=\"page_body\">\n" .
-	      "<table cellspacing=\"0\">\n" .
-	      "<tr><td>description</td><td>" . escapeHTML($descr) . "</td></tr>\n" .
+	print "<div class=\"title\">&nbsp;</div>\n";
+	print "<table cellspacing=\"0\">\n" .
+	      "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
 	      "<tr><td>owner</td><td>$owner</td></tr>\n" .
 	      "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
-	      "</table>\n" .
-	      "<br/></div>\n";
-	open my $fd, "-|", "$gitbin/git-rev-list --max-count=11 " . git_read_hash("$project/HEAD") || die_error(undef, "Open failed.");
+	      "</table>\n";
+	open my $fd, "-|", "$gitbin/git-rev-list --max-count=17 " . git_read_head($project) or die_error(undef, "Open failed.");
 	my (@revlist) = map { chomp; $_ } <$fd>;
 	close $fd;
 	print "<div>\n" .
-	      $cgi->a({-href => "$my_uri?p=$project;a=log", -class => "title"}, "commits") .
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog"), -class => "title"}, "shortlog") .
 	      "</div>\n";
-	my $i = 10;
-	print  "<div class=\"page_body\">\n" .
-	       "<table cellspacing=\"0\">\n";
+	my $i = 16;
+	print "<table cellspacing=\"0\">\n";
+	my $alternate = 0;
 	foreach my $commit (@revlist) {
 		my %co = git_read_commit($commit);
 		my %ad = date_str($co{'author_epoch'});
-		print "<tr>\n";
-		if (--$i > 0) {
-			print "<td>$co{'age_string'}</td>\n" .
-			      "<td>$co{'author_name'}</td>\n" .
-			      "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, escapeHTML($co{'title'})) . "</td>\n" .
+		if ($alternate) {
+			print "<tr class=\"dark\">\n";
+		} else {
+			print "<tr class=\"light\">\n";
+		}
+		$alternate ^= 1;
+		if ($i-- > 0) {
+			my $ref = "";
+			if (defined $refs->{$commit}) {
+				$ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
+			}
+			print "<td><i>$co{'age_string'}</i></td>\n" .
+			      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
+			      "<td>";
+			if (length($co{'title_short'}) < length($co{'title'})) {
+				print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
+			              "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
+			} else {
+				print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
+				      "<b>" . esc_html($co{'title'}) . "$ref</b>");
+			}
+			print "</td>\n" .
+			      "<td class=\"link\">" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
+			      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
+			      "</td>\n" .
 			      "</tr>";
 		} else {
-			print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=log"}, "...") . "</td>\n" .
+			print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "...") . "</td>\n" .
 			"</tr>";
 			last;
 		}
 	}
-	print "</table\n>" .
-	      "</div>\n";
+	print "</table\n>";
 
 	my $taglist = git_read_refs("refs/tags");
 	if (defined @$taglist) {
 		print "<div>\n" .
-		      $cgi->a({-href => "$my_uri?p=$project;a=tags", -class => "title"}, "tags") .
+		      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags"), -class => "title"}, "tags") .
 		      "</div>\n";
-		my $i = 10;
-		print  "<div class=\"page_body\">\n" .
-		       "<table cellspacing=\"0\">\n";
+		my $i = 16;
+		print "<table cellspacing=\"0\">\n";
+		my $alternate = 0;
 		foreach my $entry (@$taglist) {
 			my %tag = %$entry;
-			print "<tr>\n";
-			if (--$i > 0) {
-				print "<td>$tag{'age'}</td>\n" .
-				      "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}"}, escapeHTML($tag{'name'})) . "</td>\n" .
+			my $comment_lines = $tag{'comment'};
+			my $comment = shift @$comment_lines;
+			if (defined($comment)) {
+				$comment = chop_str($comment, 30, 5);
+			}
+			if ($alternate) {
+				print "<tr class=\"dark\">\n";
+			} else {
+				print "<tr class=\"light\">\n";
+			}
+			$alternate ^= 1;
+			if ($i-- > 0) {
+				print "<td><i>$tag{'age'}</i></td>\n" .
+				      "<td>" .
+				      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
+				      "<b>" . esc_html($tag{'name'}) . "</b>") .
+				      "</td>\n" .
+				      "<td>";
+				if (defined($comment)) {
+				      print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
+				}
+				print "</td>\n" .
+				      "<td class=\"link\">";
+				if ($tag{'type'} eq "tag") {
+				      print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
+				}
+				print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
+				if ($tag{'reftype'} eq "commit") {
+				      print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
+				            " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
+				}
+				print "</td>\n" .
 				      "</tr>";
 			} else {
-				print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=tags"}, "...") . "</td>\n" .
+				print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags")}, "...") . "</td>\n" .
 				"</tr>";
 				last;
 			}
 		}
-		print "</table\n>" .
-		      "</div>\n";
+		print "</table\n>";
 	}
 
-	my $branchlist = git_read_refs("refs/heads");
-	if (defined @$branchlist) {
+	my $headlist = git_read_refs("refs/heads");
+	if (defined @$headlist) {
 		print "<div>\n" .
-		      $cgi->a({-href => "$my_uri?p=$project;a=branches", -class => "title"}, "branches") .
+		      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads"), -class => "title"}, "heads") .
 		      "</div>\n";
-		my $i = 10;
-		print  "<div class=\"page_body\">\n" .
-		       "<table cellspacing=\"0\">\n";
-		foreach my $entry (@$branchlist) {
+		my $i = 16;
+		print "<table cellspacing=\"0\">\n";
+		my $alternate = 0;
+		foreach my $entry (@$headlist) {
 			my %tag = %$entry;
-			print "<tr>\n";
-			if (--$i > 0) {
-				print "<td>$tag{'age'}</td>\n" .
-				      "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'id'}"}, escapeHTML($tag{'name'})) . "</td>\n" .
+			if ($alternate) {
+				print "<tr class=\"dark\">\n";
+			} else {
+				print "<tr class=\"light\">\n";
+			}
+			$alternate ^= 1;
+			if ($i-- > 0) {
+				print "<td><i>$tag{'age'}</i></td>\n" .
+				      "<td>" .
+				      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"},
+				      "<b>" . esc_html($tag{'name'}) . "</b>") .
+				      "</td>\n" .
+				      "<td class=\"link\">" .
+				      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
+				      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
+				      "</td>\n" .
 				      "</tr>";
 			} else {
-				print "<td>" . $cgi->a({-href => "$my_uri?p=$project;a=branches"}, "...") . "</td>\n" .
+				print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads")}, "...") . "</td>\n" .
 				"</tr>";
 				last;
 			}
 		}
-		print "</table\n>" .
-		      "</div>\n";
+		print "</table\n>";
+	}
+	git_footer_html();
+}
+
+sub git_tag {
+	my $head = git_read_head($project);
+	git_header_html();
+	print "<div class=\"page_nav\">\n" .
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
+	      "<br/>\n" .
+	      "</div>\n";
+	my %tag = git_read_tag($hash);
+	print "<div>\n" .
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($tag{'name'})) . "\n" .
+	      "</div>\n";
+	print "<div class=\"title_text\">\n" .
+	      "<table cellspacing=\"0\">\n" .
+	      "<tr>\n" .
+	      "<td>object</td>\n" .
+	      "<td>" . $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'object'}) . "</td>\n" .
+	      "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'type'}) . "</td>\n" .
+	      "</tr>\n";
+	if (defined($tag{'author'})) {
+		my %ad = date_str($tag{'epoch'}, $tag{'tz'});
+		print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
+		print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
 	}
+	print "</table>\n\n" .
+	      "</div>\n";
+	print "<div class=\"page_body\">";
+	my $comment = $tag{'comment'};
+	foreach my $line (@$comment) {
+		print esc_html($line) . "<br/>\n";
+	}
+	print "</div>\n";
 	git_footer_html();
 }
 
 sub git_tags {
-	my $head = git_read_hash("$project/HEAD");
+	my $head = git_read_head($project);
 	git_header_html();
 	print "<div class=\"page_nav\">\n" .
-	      $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
-	      " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
-	      " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
-	      "<br/><br/>\n" .
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
+	      "<br/>\n" .
 	      "</div>\n";
 	my $taglist = git_read_refs("refs/tags");
 	print "<div>\n" .
-	      $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "tags") .
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
 	      "</div>\n";
+	print "<table cellspacing=\"0\">\n";
+	my $alternate = 0;
 	if (defined @$taglist) {
 		foreach my $entry (@$taglist) {
 			my %tag = %$entry;
-			print "<div class=\"list\">\n" .
-			      $cgi->a({-href => "$my_uri?p=$project;a=$tag{'type'};h=$tag{'id'}"},
-			      "<span class=\"age\">$tag{'age'}</span>" .  escapeHTML($tag{'name'})) . "\n" .
-			      "</div>\n";
+			my $comment_lines = $tag{'comment'};
+			my $comment = shift @$comment_lines;
+			if (defined($comment)) {
+				$comment = chop_str($comment, 30, 5);
+			}
+			if ($alternate) {
+				print "<tr class=\"dark\">\n";
+			} else {
+				print "<tr class=\"light\">\n";
+			}
+			$alternate ^= 1;
+			print "<td><i>$tag{'age'}</i></td>\n" .
+			      "<td>" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
+			      "<b>" . esc_html($tag{'name'}) . "</b>") .
+			      "</td>\n" .
+			      "<td>";
+			if (defined($comment)) {
+			      print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
+			}
+			print "</td>\n" .
+			      "<td class=\"link\">";
+			if ($tag{'type'} eq "tag") {
+			      print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
+			}
+			print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
+			if ($tag{'reftype'} eq "commit") {
+			      print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
+			            " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
+			}
+			print "</td>\n" .
+			      "</tr>";
 		}
 	}
-	print "<div class=\"list\"><br/></div>\n";
+	print "</table\n>";
 	git_footer_html();
 }
 
-sub git_branches {
-	my $head = git_read_hash("$project/HEAD");
+sub git_heads {
+	my $head = git_read_head($project);
 	git_header_html();
 	print "<div class=\"page_nav\">\n" .
-	      $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
-	      " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$head"}, "commit") .
-	      " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree"}, "tree") .
-	      "<br/><br/>\n" .
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
+	      "<br/>\n" .
 	      "</div>\n";
 	my $taglist = git_read_refs("refs/heads");
 	print "<div>\n" .
-	      $cgi->a({-href => "$my_uri?p=$project;a=summary", -class => "title"}, "branches") .
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
 	      "</div>\n";
+	print "<table cellspacing=\"0\">\n";
+	my $alternate = 0;
 	if (defined @$taglist) {
 		foreach my $entry (@$taglist) {
 			my %tag = %$entry;
-			print "<div class=\"list\">\n" .
-			      $cgi->a({-href => "$my_uri?p=$project;a=log;h=$tag{'id'}"},
-			      "<span class=\"age\">$tag{'age'}</span>" .  escapeHTML($tag{'name'})) . "\n" .
-			      "</div>\n";
+			if ($alternate) {
+				print "<tr class=\"dark\">\n";
+			} else {
+				print "<tr class=\"light\">\n";
+			}
+			$alternate ^= 1;
+			print "<td><i>$tag{'age'}</i></td>\n" .
+			      "<td>" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
+			      "</td>\n" .
+			      "<td class=\"link\">" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
+			      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
+			      "</td>\n" .
+			      "</tr>";
 		}
 	}
-	print "<div class=\"list\"><br/></div>\n";
+	print "</table\n>";
 	git_footer_html();
 }
 
 sub git_get_hash_by_path {
 	my $base = shift;
-	my $path = shift;
+	my $path = shift || return undef;
 
 	my $tree = $base;
 	my @parts = split '/', $path;
 	while (my $part = shift @parts) {
-		open my $fd, "-|", "$gitbin/git-ls-tree $tree" || die_error(undef, "Open git-ls-tree failed.");
+		open my $fd, "-|", "$gitbin/git-ls-tree $tree" or die_error(undef, "Open git-ls-tree failed.");
 		my (@entries) = map { chomp; $_ } <$fd>;
-		close $fd || return undef;
+		close $fd or return undef;
 		foreach my $line (@entries) {
 			#'100644	blob	0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa	panic.c'
-			$line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
+			$line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
 			my $t_mode = $1;
 			my $t_type = $2;
 			my $t_hash = $3;
-			my $t_name = $4;
+			my $t_name = validate_input(unquote($4));
 			if ($t_name eq $part) {
 				if (!(@parts)) {
 					return $t_hash;
@@ -890,24 +1361,28 @@ sub git_get_hash_by_path {
 
 sub git_blob {
 	if (!defined $hash && defined $file_name) {
-		my $base = $hash_base || git_read_hash("$project/HEAD");
-		$hash = git_get_hash_by_path($base, $file_name, "blob");
+		my $base = $hash_base || git_read_head($project);
+		$hash = git_get_hash_by_path($base, $file_name, "blob") || die_error(undef, "Error lookup file.");
 	}
-	open my $fd, "-|", "$gitbin/git-cat-file blob $hash" || die_error(undef, "Open failed.");
-	my $base = $file_name || "";
+	open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or die_error(undef, "Open failed.");
 	git_header_html();
 	if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
 		print "<div class=\"page_nav\">\n" .
-		      $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
-		      " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
-		      " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree");
+		      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
 		if (defined $file_name) {
-			print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base;f=$file_name"}, "history");
+			print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") .
+			" | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=HEAD;f=$file_name")}, "head") . "<br/>\n";
+		} else {
+			print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash")}, "plain") . "<br/>\n";
 		}
-		print "<br/><br/>\n" .
-		      "</div>\n";
-		print "<div>" .
-		      $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) .
+		print "</div>\n".
+		       "<div>" .
+		      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
 		      "</div>\n";
 	} else {
 		print "<div class=\"page_nav\">\n" .
@@ -915,52 +1390,77 @@ sub git_blob {
 		      "<div class=\"title\">$hash</div>\n";
 	}
 	if (defined $file_name) {
-		print "<div class=\"page_path\">/$file_name</div>\n";
+		print "<div class=\"page_path\"><b>" . esc_html($file_name) . "</b></div>\n";
 	}
 	print "<div class=\"page_body\">\n";
 	my $nr;
 	while (my $line = <$fd>) {
 		chomp $line;
 		$nr++;
-		print "<div class=\"pre\">";
-		printf "<span style=\"color:#999999;\">%4i</span>", $nr;
-		print " " .escapeHTML($line) . "</div>\n";
+		while ((my $pos = index($line, "\t")) != -1) {
+			if (my $count = (8 - ($pos % 8))) {
+				my $spaces = ' ' x $count;
+				$line =~ s/\t/$spaces/;
+			}
+		}
+		printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
 	}
-	close $fd || print "Reading blob failed.\n";
+	close $fd or print "Reading blob failed.\n";
 	print "</div>";
 	git_footer_html();
 }
 
+sub git_blob_plain {
+	my $save_as = "$hash.txt";
+	if (defined $file_name) {
+		$save_as = $file_name;
+	}
+	print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"$save_as\"");
+	open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or return;
+	undef $/;
+	print <$fd>;
+	$/ = "\n";
+	close $fd;
+}
+
 sub git_tree {
 	if (!defined $hash) {
-		$hash = git_read_hash("$project/HEAD");
+		$hash = git_read_head($project);
 		if (defined $file_name) {
-			my $base = $hash_base || git_read_hash("$project/HEAD");
+			my $base = $hash_base || $hash;
 			$hash = git_get_hash_by_path($base, $file_name, "tree");
 		}
+		if (!defined $hash_base) {
+			$hash_base = $hash;
+		}
 	}
-	if (!defined $hash_base) {
-		$hash_base = git_read_hash("$project/HEAD");
-	}
-	open my $fd, "-|", "$gitbin/git-ls-tree $hash" || die_error(undef, "Open git-ls-tree failed.");
-	my (@entries) = map { chomp; $_ } <$fd>;
-	close $fd || die_error(undef, "Reading tree failed.");
+	$/ = "\0";
+	open my $fd, "-|", "$gitbin/git-ls-tree -z $hash" or die_error(undef, "Open git-ls-tree failed.");
+	chomp (my (@entries) = <$fd>);
+	close $fd or die_error(undef, "Reading tree failed.");
+	$/ = "\n";
 
+	my $refs = read_info_ref();
+	my $ref = "";
+	if (defined $refs->{$hash_base}) {
+		$ref = " <span class=\"tag\">" . esc_html($refs->{$hash_base}) . "</span>";
+	}
 	git_header_html();
 	my $base_key = "";
-	my $file_key = "";
 	my $base = "";
 	if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
 		$base_key = ";hb=$hash_base";
 		print "<div class=\"page_nav\">\n" .
-		      $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
-		      " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
-		      " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
-		      " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree") .
+		      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash_base")}, "shortlog") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash_base")}, "log") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
+		      " | tree" .
 		      "<br/><br/>\n" .
 		      "</div>\n";
 		print "<div>\n" .
-		      $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
+		      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
 		      "</div>\n";
 	} else {
 		print "<div class=\"page_nav\">\n";
@@ -968,32 +1468,42 @@ sub git_tree {
 		print "<div class=\"title\">$hash</div>\n";
 	}
 	if (defined $file_name) {
-		$base = "$file_name/";
-		print "<div class=\"page_path\">/$file_name</div>\n";
+		$base = esc_html("$file_name/");
+		print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b></div>\n";
 	} else {
-		print "<div class=\"page_path\">/</div>\n";
+		print "<div class=\"page_path\"><b>/</b></div>\n";
 	}
 	print "<div class=\"page_body\">\n";
 	print "<table cellspacing=\"0\">\n";
+	my $alternate = 0;
 	foreach my $line (@entries) {
 		#'100644	blob	0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa	panic.c'
-		$line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
+		$line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
 		my $t_mode = $1;
 		my $t_type = $2;
 		my $t_hash = $3;
-		my $t_name = $4;
-		$file_key = ";f=$base$t_name";
-		print "<tr>\n" .
-		      "<td class=\"pre\">" . mode_str($t_mode) . "</td>\n";
+		my $t_name = validate_input($4);
+		if ($alternate) {
+			print "<tr class=\"dark\">\n";
+		} else {
+			print "<tr class=\"light\">\n";
+		}
+		$alternate ^= 1;
+		print "<td style=\"font-family:monospace\">" . mode_str($t_mode) . "</td>\n";
 		if ($t_type eq "blob") {
-			print "<td class=\"pre\">$t_name</td>\n";
-			print "<td class=\"link\">" .
-			      $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key}, "blob") .
-			      " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base" . $file_key}, "history") .
+			print "<td class=\"list\">" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name"), -class => "list"}, esc_html($t_name)) .
+			      "</td>\n" .
+			      "<td class=\"link\">" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name")}, "blob") .
+			      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash_base;f=$base$t_name")}, "history") .
 			      "</td>\n";
 		} elsif ($t_type eq "tree") {
-			print "<td class=\"pre\">" .
-			      $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key}, $t_name) .
+			print "<td class=\"list\">" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, esc_html($t_name)) .
+			      "</td>\n" .
+			      "<td class=\"link\">" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, "tree") .
 			      "</td>\n";
 		}
 		print "</tr>\n";
@@ -1004,88 +1514,171 @@ sub git_tree {
 }
 
 sub git_rss {
-	open my $fd, "-|", "$gitbin/git-rev-list --max-count=20 " . git_read_hash("$project/HEAD") || die_error(undef, "Open failed.");
+	# http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
+	open my $fd, "-|", "$gitbin/git-rev-list --max-count=150 " . git_read_head($project) or die_error(undef, "Open failed.");
 	my (@revlist) = map { chomp; $_ } <$fd>;
-	close $fd || die_error(undef, "Reading rev-list failed.");
-
+	close $fd or die_error(undef, "Reading rev-list failed.");
 	print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
 	print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
-	      "<rss version=\"0.91\">\n";
+	      "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
 	print "<channel>\n";
 	print "<title>$project</title>\n".
-	      "<link> $my_url/$project/log</link>\n".
+	      "<link>" . esc_html("$my_url?p=$project;a=summary") . "</link>\n".
 	      "<description>$project log</description>\n".
 	      "<language>en</language>\n";
 
-	foreach my $commit (@revlist) {
+	for (my $i = 0; $i <= $#revlist; $i++) {
+		my $commit = $revlist[$i];
 		my %co = git_read_commit($commit);
-		my %ad = date_str($co{'author_epoch'});
+		# we read 150, we always show 30 and the ones more recent than 48 hours
+		if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
+			last;
+		}
+		my %cd = date_str($co{'committer_epoch'});
+		open $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $co{'id'}" or next;
+		my @difftree = map { chomp; $_ } <$fd>;
+		close $fd or next;
 		print "<item>\n" .
-		      "\t<title>" . sprintf("%d %s %02d:%02d", $ad{'mday'}, $ad{'month'}, $ad{'hour'}, $ad{'minute'}) . " - " . escapeHTML($co{'title'}) . "</title>\n" .
-		      "\t<link> $my_url?p=$project;a=commit;h=$commit</link>\n" .
-		      "\t<description>";
+		      "<title>" .
+		      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
+		      "</title>\n" .
+		      "<author>" . esc_html($co{'author'}) . "</author>\n" .
+		      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
+		      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
+		      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
+		      "<description>" . esc_html($co{'title'}) . "</description>\n" .
+		      "<content:encoded>" .
+		      "<![CDATA[\n";
 		my $comment = $co{'comment'};
 		foreach my $line (@$comment) {
-			print escapeHTML($line) . "<br/>\n";
+			$line = decode("utf8", $line, Encode::FB_DEFAULT);
+			print "$line<br/>\n";
 		}
-		print "\t</description>\n" .
+		print "<br/>\n";
+		foreach my $line (@difftree) {
+			if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
+				next;
+			}
+			my $file = validate_input(unquote($7));
+			$file = decode("utf8", $file, Encode::FB_DEFAULT);
+			print "$file<br/>\n";
+		}
+		print "]]>\n" .
+		      "</content:encoded>\n" .
 		      "</item>\n";
 	}
 	print "</channel></rss>";
 }
 
+sub git_opml {
+	my @list = git_read_projects();
+
+	print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
+	print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
+	      "<opml version=\"1.0\">\n".
+	      "<head>".
+	      "  <title>Git OPML Export</title>\n".
+	      "</head>\n".
+	      "<body>\n".
+	      "<outline text=\"git RSS feeds\">\n";
+
+	foreach my $pr (@list) {
+		my %proj = %$pr;
+		my $head = git_read_head($proj{'path'});
+		if (!defined $head) {
+			next;
+		}
+		$ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
+		my %co = git_read_commit($head);
+		if (!%co) {
+			next;
+		}
+
+		my $path = esc_html(chop_str($proj{'path'}, 25, 5));
+		my $rss =  "$my_url?p=$proj{'path'};a=rss";
+		my $html =  "$my_url?p=$proj{'path'};a=summary";
+		print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
+	}
+	print "</outline>\n".
+	      "</body>\n".
+	      "</opml>\n";
+}
+
 sub git_log {
+	my $head = git_read_head($project);
 	if (!defined $hash) {
-		$hash = git_read_hash("$project/HEAD");
+		$hash = $head;
 	}
-	my $limit_option = "";
-	if (!defined $time_back) {
-		$limit_option = "--max-count=10";
-	} elsif ($time_back > 0) {
-		my $date = time - $time_back*24*60*60;
-		$limit_option = "--max-age=$date";
+	if (!defined $page) {
+		$page = 0;
 	}
-	open my $fd, "-|", "$gitbin/git-rev-list $limit_option $hash" || die_error(undef, "Open failed.");
-	my (@revlist) = map { chomp; $_ } <$fd>;
-	close $fd || die_error(undef, "Reading rev-list failed.");
-
+	my $refs = read_info_ref();
 	git_header_html();
 	print "<div class=\"page_nav\">\n";
-	print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "last 10") . " | " .
-	      $cgi->a({-href => "$my_uri?p=$project;a=log;t=1"}, "day") . " | " .
-	      $cgi->a({-href => "$my_uri?p=$project;a=log;t=7"}, "week") . " | " .
-	      $cgi->a({-href => "$my_uri?p=$project;a=log;t=31"}, "month") . " | " .
-	      $cgi->a({-href => "$my_uri?p=$project;a=log;t=365"}, "year") . " | " .
-	      $cgi->a({-href => "$my_uri?p=$project;a=log;t=0"}, "all") . "<br/>\n";
+	print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
+	      " | log" .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
+
+	my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
+	open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
+	my (@revlist) = map { chomp; $_ } <$fd>;
+	close $fd;
+
+	if ($hash ne $head || $page) {
+		print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "HEAD");
+	} else {
+		print "HEAD";
+	}
+	if ($page > 0) {
+		print " &sdot; " .
+		$cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
+	} else {
+		print " &sdot; prev";
+	}
+	if ($#revlist >= (100 * ($page+1)-1)) {
+		print " &sdot; " .
+		$cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
+	} else {
+		print " &sdot; next";
+	}
 	print "<br/>\n" .
 	      "</div>\n";
-
 	if (!@revlist) {
+		print "<div>\n" .
+		      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
+		      "</div>\n";
 		my %co = git_read_commit($hash);
 		print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
 	}
-
-	foreach my $commit (@revlist) {
+	for (my $i = ($page * 100); $i <= $#revlist; $i++) {
+		my $commit = $revlist[$i];
+		my $ref = "";
+		if (defined $refs->{$commit}) {
+			$ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
+		}
 		my %co = git_read_commit($commit);
 		next if !%co;
 		my %ad = date_str($co{'author_epoch'});
 		print "<div>\n" .
-		      $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "title"},
-		      "<span class=\"age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
-		      "</div>\n";
+		      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "title"},
+		      "<span class=\"age\">$co{'age_string'}</span>" . esc_html($co{'title'}) . $ref) . "\n";
+		print "</div>\n";
 		print "<div class=\"title_text\">\n" .
 		      "<div class=\"log_link\">\n" .
-		      $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
-		      " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "commitdiff") .
+		      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
 		      "<br/>\n" .
 		      "</div>\n" .
-		      "<i>" . escapeHTML($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
+		      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
 		      "</div>\n" .
 		      "<div class=\"log_body\">\n";
 		my $comment = $co{'comment'};
 		my $empty = 0;
 		foreach my $line (@$comment) {
-			if ($line =~ m/^(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
+			if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
 				next;
 			}
 			if ($line eq "") {
@@ -1096,7 +1689,7 @@ sub git_log {
 			} else {
 				$empty = 0;
 			}
-			print escapeHTML($line) . "<br/>\n";
+			print format_log_line_html($line) . "<br/>\n";
 		}
 		if (!$empty) {
 			print "<br/>\n";
@@ -1115,53 +1708,79 @@ sub git_commit {
 	my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 
 	my @difftree;
-	if (defined $co{'parent'}) {
-		open my $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $hash" || die_error(undef, "Open failed.");
-		@difftree = map { chomp; $_ } <$fd>;
-		close $fd || die_error(undef, "Reading diff-tree failed.");
-	} else {
-		# fake git-diff-tree output for initial revision
-		open my $fd, "-|", "$gitbin/git-ls-tree -r $hash" || die_error(undef, "Open failed.");
-		@difftree = map { chomp;  "+" . $_ } <$fd>;
-		close $fd || die_error(undef, "Reading ls-tree failed.");
-	}
-	git_header_html();
+	my $root = "";
+	my $parent = $co{'parent'};
+	if (!defined $parent) {
+		$root = " --root";
+		$parent = "";
+	}
+	open my $fd, "-|", "$gitbin/git-diff-tree -r -M $root $parent $hash" or die_error(undef, "Open failed.");
+	@difftree = map { chomp; $_ } <$fd>;
+	close $fd or die_error(undef, "Reading diff-tree failed.");
+
+	# non-textual hash id's can be cached
+	my $expires;
+	if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
+		$expires = "+1d";
+	}
+	my $refs = read_info_ref();
+	my $ref = "";
+	if (defined $refs->{$co{'id'}}) {
+		$ref = " <span class=\"tag\">" . esc_html($refs->{$co{'id'}}) . "</span>";
+	}
+	git_header_html(undef, $expires);
 	print "<div class=\"page_nav\">\n" .
-	      $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
-	      " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit");
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
+	      " | commit";
 	if (defined $co{'parent'}) {
-		print " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff");
+		print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff");
 	}
-	print " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") . "\n" .
+	print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "\n" .
 	      "<br/><br/></div>\n";
 	if (defined $co{'parent'}) {
 		print "<div>\n" .
-		      $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
+		      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
 		      "</div>\n";
 	} else {
 		print "<div>\n" .
-		      $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
+		      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
 		      "</div>\n";
 	}
 	print "<div class=\"title_text\">\n" .
 	      "<table cellspacing=\"0\">\n";
-	print "<tr><td>author</td><td>" . escapeHTML($co{'author'}) . "</td></tr>\n".
-	      "<tr><td></td><td> $ad{'rfc2822'}";
+	print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
+	      "<tr>" .
+	      "<td></td><td> $ad{'rfc2822'}";
 	if ($ad{'hour_local'} < 6) {
 		printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
 	} else {
 		printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
 	}
-	print "</td></tr>\n";
-	print "<tr><td>committer</td><td>" . escapeHTML($co{'committer'}) . "</td></tr>\n";
+	print "</td>" .
+	      "</tr>\n";
+	print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
 	print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
-	print "<tr><td>commit</td><td style=\"font-family: monospace;\">$hash</td></tr>\n";
-	print "<tr><td>tree</td><td style=\"font-family: monospace;\">" .
-	      $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, $co{'tree'}) . "</td></tr>\n";
+	print "<tr><td>commit</td><td style=\"font-family:monospace\">$co{'id'}</td></tr>\n";
+	print "<tr>" .
+	      "<td>tree</td>" .
+	      "<td style=\"font-family:monospace\">" .
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), class => "list"}, $co{'tree'}) .
+	      "</td>" .
+	      "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
+	      "</td>" .
+	      "</tr>\n";
 	my $parents  = $co{'parents'};
 	foreach my $par (@$parents) {
-		print "<tr><td>parent</td><td style=\"font-family: monospace;\">" .
-		      $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, $par) . "</td></tr>\n";
+		print "<tr>" .
+		      "<td>parent</td>" .
+		      "<td style=\"font-family:monospace\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par"), class => "list"}, $par) . "</td>" .
+		      "<td class=\"link\">" .
+		      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par")}, "commit") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash;hp=$par")}, "commitdiff") .
+		      "</td>" .
+		      "</tr>\n";
 	}
 	print "</table>". 
 	      "</div>\n";
@@ -1179,12 +1798,12 @@ sub git_commit {
 		} else {
 			$empty = 0;
 		}
-		if ($line =~ m/^(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
+		if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
 			$signed = 1;
-			print "<span style=\"color: #888888\">" . escapeHTML($line) . "</span><br/>\n";
+			print "<span style=\"color: #888888\">" . esc_html($line) . "</span><br/>\n";
 		} else {
 			$signed = 0;
-			print escapeHTML($line) . "<br/>\n";
+			print format_log_line_html($line) . "<br/>\n";
 		}
 	}
 	print "</div>\n";
@@ -1193,100 +1812,115 @@ sub git_commit {
 		print(($#difftree + 1) . " files changed:\n");
 	}
 	print "</div>\n";
+	print "<table cellspacing=\"0\">\n";
+	my $alternate = 0;
 	foreach my $line (@difftree) {
-		# '*100644->100644	blob	9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596	net/ipv4/route.c'
-		# '+100644	blob	4a83ab6cd565d21ab0385bac6643826b83c2fcd4	arch/arm/lib/bitops.h'
-		# '*100664->100644	blob	b1a8e3dd5556b61dd771d32307c6ee5d7150fa43->b1a8e3dd5556b61dd771d32307c6ee5d7150fa43	show-files.c'
-		# '*100664->100644	blob	d08e895238bac36d8220586fdc28c27e1a7a76d3->d08e895238bac36d8220586fdc28c27e1a7a76d3	update-cache.c'
-		$line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
-		my $op = $1;
-		my $mode = $2;
-		my $type = $3;
-		my $id = $4;
-		my $file = $5;
-		if ($type eq "blob") {
-			if ($op eq "+") {
-				my $mode_chng = "";
-				if (S_ISREG(oct $mode)) {
-					$mode_chng = sprintf(" with mode: %04o", (oct $mode) & 0777);
+		# ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
+		# ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
+		if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
+			next;
+		}
+		my $from_mode = $1;
+		my $to_mode = $2;
+		my $from_id = $3;
+		my $to_id = $4;
+		my $status = $5;
+		my $similarity = $6;
+		my $file = validate_input(unquote($7));
+		if ($alternate) {
+			print "<tr class=\"dark\">\n";
+		} else {
+			print "<tr class=\"light\">\n";
+		}
+		$alternate ^= 1;
+		if ($status eq "A") {
+			my $mode_chng = "";
+			if (S_ISREG(oct $to_mode)) {
+				$mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
+			}
+			print "<td>" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
+			      "<td><span style=\"color: #008000;\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
+			      "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob") . "</td>\n";
+		} elsif ($status eq "D") {
+			print "<td>" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
+			      "<td><span style=\"color: #c00000;\">[deleted " . file_type($from_mode). "]</span></td>\n" .
+			      "<td class=\"link\">" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, "blob") .
+			      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash;f=$file")}, "history") .
+			      "</td>\n"
+		} elsif ($status eq "M" || $status eq "T") {
+			my $mode_chnge = "";
+			if ($from_mode != $to_mode) {
+				$mode_chnge = " <span style=\"color: #777777;\">[changed";
+				if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
+					$mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
 				}
-				print "<div class=\"list\">\n" .
-				      $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"},
-				      escapeHTML($file) . " <span style=\"color: #008000;\">[new " . file_type($mode) . "$mode_chng]</span>") . "\n" .
-				      "</div>\n";
-				print "<div class=\"list_link\">\n" .
-				      $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, "blob") . "\n" .
-				      "</div>\n";
-			} elsif ($op eq "-") {
-				print "<div class=\"list\">\n" .
-				      $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"},
-				      escapeHTML($file) .  " <span style=\"color: #c00000;\">[deleted " . file_type($mode) . "]</span>") . "\n" .
-				      "</div>";
-				print "<div class=\"list_link\">\n" .
-				      $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, "blob") . " | " .
-				      $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n" .
-				      "</div>\n";
-			} elsif ($op eq "*") {
-				$id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
-				my $from_id = $1;
-				my $to_id = $2;
-				$mode =~ m/^([0-7]{6})->([0-7]{6})$/;
-				my $from_mode = $1;
-				my $to_mode = $2;
-				my $mode_chnge = "";
-				if ($from_mode != $to_mode) {
-					$mode_chnge = " <span style=\"color: #777777;\">[changed";
-					if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
-						$mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
-					}
-					if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
-						if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
-							$mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
-						} elsif (S_ISREG($to_mode)) {
-							$mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
-						}
+				if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
+					if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
+						$mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
+					} elsif (S_ISREG($to_mode)) {
+						$mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
 					}
-					$mode_chnge .= "]</span>\n";
 				}
-				print "<div class=\"list\">\n";
-				if ($to_id ne $from_id) {
-					print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"},
-					      escapeHTML($file) . $mode_chnge) . "\n" .
-					      "</div>\n";
-				} else {
-					print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"},
-					      escapeHTML($file) . $mode_chnge) . "\n" .
-					      "</div>\n";
-				}
-				print "<div class=\"list_link\">\n";
-				if ($to_id ne $from_id) {
-					print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"}, "diff") . " | ";
-				}
-				print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "blob") . " | " .
-				      $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "\n" .
-				      "</div>\n";
+				$mode_chnge .= "]</span>\n";
+			}
+			print "<td>";
+			if ($to_id ne $from_id) {
+				print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
+			} else {
+				print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
+			}
+			print "</td>\n" .
+			      "<td>$mode_chnge</td>\n" .
+			      "<td class=\"link\">";
+			print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob");
+			if ($to_id ne $from_id) {
+				print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file")}, "diff");
+			}
+			print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash;f=$file")}, "history") . "\n";
+			print "</td>\n";
+		} elsif ($status eq "R") {
+			my ($from_file, $to_file) = split "\t", $file;
+			my $mode_chng = "";
+			if ($from_mode != $to_mode) {
+				$mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
+			}
+			print "<td>" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"), -class => "list"}, esc_html($to_file)) . "</td>\n" .
+			      "<td><span style=\"color: #777777;\">[moved from " .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$from_file"), -class => "list"}, esc_html($from_file)) .
+			      " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
+			      "<td class=\"link\">" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file")}, "blob");
+			if ($to_id ne $from_id) {
+				print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file")}, "diff");
 			}
+			print "</td>\n";
 		}
+		print "</tr>\n";
 	}
+	print "</table>\n";
 	git_footer_html();
 }
 
 sub git_blobdiff {
-	mkdir($gittmp, 0700);
+	mkdir($git_temp, 0700);
 	git_header_html();
 	if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
 		print "<div class=\"page_nav\">\n" .
-		      $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
-		      " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
-		      " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "commitdiff") .
-		      " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base"}, "tree");
-			if (defined $file_name) {
-				print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base;f=$file_name"}, "history");
-			}
-		print "<br/><br/>\n" .
+		      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") .
+		      "<br/>\n";
+		print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent")}, "plain") .
 		      "</div>\n";
 		print "<div>\n" .
-		      $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
+		      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) . "\n" .
 		      "</div>\n";
 	} else {
 		print "<div class=\"page_nav\">\n" .
@@ -1294,52 +1928,73 @@ sub git_blobdiff {
 		      "<div class=\"title\">$hash vs $hash_parent</div>\n";
 	}
 	if (defined $file_name) {
-		print "<div class=\"page_path\">\n" .
-		      "/$file_name\n" .
-		      "</div>\n";
+		print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b></div>\n";
 	}
 	print "<div class=\"page_body\">\n" .
 	      "<div class=\"diff_info\">blob:" .
-	      $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name"}, $hash_parent) .
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name")}, $hash_parent) .
 	      " -> blob:" .
-	      $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name"}, $hash) .
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, $hash) .
 	      "</div>\n";
-	git_diff_html($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
+	git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
 	print "</div>";
 	git_footer_html();
 }
 
+sub git_blobdiff_plain {
+	mkdir($git_temp, 0700);
+	print $cgi->header(-type => "text/plain", -charset => 'utf-8');
+	git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
+}
+
 sub git_commitdiff {
-	mkdir($gittmp, 0700);
+	mkdir($git_temp, 0700);
 	my %co = git_read_commit($hash);
 	if (!%co) {
 		die_error(undef, "Unknown commit object.");
 	}
-	open my $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $hash" || die_error(undef, "Open failed.");
+	if (!defined $hash_parent) {
+		$hash_parent = $co{'parent'};
+	}
+	open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
 	my (@difftree) = map { chomp; $_ } <$fd>;
-	close $fd || die_error(undef, "Reading diff-tree failed.");
+	close $fd or die_error(undef, "Reading diff-tree failed.");
 
-	git_header_html();
+	# non-textual hash id's can be cached
+	my $expires;
+	if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
+		$expires = "+1d";
+	}
+	my $refs = read_info_ref();
+	my $ref = "";
+	if (defined $refs->{$co{'id'}}) {
+		$ref = " <span class=\"tag\">" . esc_html($refs->{$co{'id'}}) . "</span>";
+	}
+	git_header_html(undef, $expires);
 	print "<div class=\"page_nav\">\n" .
-	      $cgi->a({-href => "$my_uri?p=$project;a=log"}, "log") .
-	      " | " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") .
-	      " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") .
-	      " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" .  $co{'tree'} . ";hb=$hash"}, "tree") .
-	      "<br/><br/></div>\n";
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
+	      " | commitdiff" .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "<br/>\n";
+	print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent")}, "plain") . "\n" .
+	      "</div>\n";
 	print "<div>\n" .
-	      $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
 	      "</div>\n";
 	print "<div class=\"page_body\">\n";
 	my $comment = $co{'comment'};
 	my $empty = 0;
 	my $signed = 0;
 	my @log = @$comment;
+	# remove first and empty lines after that
 	shift @log;
-	#while ($log[0] eq "") {
-	#	shift @log;
-	#}
+	while (defined $log[0] && $log[0] eq "") {
+		shift @log;
+	}
 	foreach my $line (@log) {
-		if ($line =~ m/^(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
+		if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
 			next;
 		}
 		if ($line eq "") {
@@ -1350,43 +2005,37 @@ sub git_commitdiff {
 		} else {
 			$empty = 0;
 		}
-		print escapeHTML($line) . "<br/>\n";
+		print format_log_line_html($line) . "<br/>\n";
 	}
 	print "<br/>\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 ($op eq "+") {
-				print "<div class=\"diff_info\">" .  file_type($mode) . ":" .
-				      $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, $id) . "(new)" .
-				      "</div>\n";
-				git_diff_html(undef, "/dev/null", $id, "b/$file");
-			} elsif ($op eq "-") {
-				print "<div class=\"diff_info\">" . file_type($mode) . ":" .
-				      $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, $id) . "(deleted)" .
-				      "</div>\n";
-				git_diff_html($id, "a/$file", undef, "/dev/null");
-			} elsif ($op eq "*") {
-				$id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
-				my $from_id = $1;
-				my $to_id = $2;
-				$mode =~ m/([0-7]+)->([0-7]+)/;
-				my $from_mode = $1;
-				my $to_mode = $2;
-				if ($from_id ne $to_id) {
-					print "<div class=\"diff_info\">" .
-					      file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) .
-					      " -> " .
-					      file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id);
-					print "</div>\n";
-					git_diff_html($from_id, "a/$file",  $to_id, "b/$file");
-				}
+		# ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
+		# ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
+		$line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
+		my $from_mode = $1;
+		my $to_mode = $2;
+		my $from_id = $3;
+		my $to_id = $4;
+		my $status = $5;
+		my $file = validate_input(unquote($6));
+		if ($status eq "A") {
+			print "<div class=\"diff_info\">" .  file_type($to_mode) . ":" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id) . "(new)" .
+			      "</div>\n";
+			git_diff_print(undef, "/dev/null", $to_id, "b/$file");
+		} elsif ($status eq "D") {
+			print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) . "(deleted)" .
+			      "</div>\n";
+			git_diff_print($from_id, "a/$file", undef, "/dev/null");
+		} elsif ($status eq "M") {
+			if ($from_id ne $to_id) {
+				print "<div class=\"diff_info\">" .
+				      file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) .
+				      " -> " .
+				      file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id);
+				print "</div>\n";
+				git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
 			}
 		}
 	}
@@ -1395,62 +2044,364 @@ sub git_commitdiff {
 	git_footer_html();
 }
 
+sub git_commitdiff_plain {
+	mkdir($git_temp, 0700);
+	open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
+	my (@difftree) = map { chomp; $_ } <$fd>;
+	close $fd or die_error(undef, "Reading diff-tree failed.");
+
+	# try to figure out the next tag after this commit
+	my $tagname;
+	my $refs = read_info_ref("tags");
+	open $fd, "-|", "$gitbin/git-rev-list HEAD";
+	chomp (my (@commits) = <$fd>);
+	close $fd;
+	foreach my $commit (@commits) {
+		if (defined $refs->{$commit}) {
+			$tagname = $refs->{$commit}
+		}
+		if ($commit eq $hash) {
+			last;
+		}
+	}
+
+	print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"git-$hash.patch\"");
+	my %co = git_read_commit($hash);
+	my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
+	my $comment = $co{'comment'};
+	print "From: $co{'author'}\n" .
+	      "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
+	      "Subject: $co{'title'}\n";
+	if (defined $tagname) {
+	      print "X-Git-Tag: $tagname\n";
+	}
+	print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
+	      "\n";
+
+	foreach my $line (@$comment) {;
+		print "$line\n";
+	}
+	print "---\n\n";
+
+	foreach my $line (@difftree) {
+		$line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
+		my $from_id = $3;
+		my $to_id = $4;
+		my $status = $5;
+		my $file = $6;
+		if ($status eq "A") {
+			git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
+		} elsif ($status eq "D") {
+			git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
+		} elsif ($status eq "M") {
+			git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
+		}
+	}
+}
+
 sub git_history {
 	if (!defined $hash) {
-		$hash = git_read_hash("$project/HEAD");
+		$hash = git_read_head($project);
 	}
 	my %co = git_read_commit($hash);
 	if (!%co) {
 		die_error(undef, "Unknown commit object.");
 	}
+	my $refs = read_info_ref();
 	git_header_html();
 	print "<div class=\"page_nav\">\n" .
-	      $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | " .
-	      $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "commitdiff") . " | " .
-	      $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"}, "tree") .
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
 	      "<br/><br/>\n" .
 	      "</div>\n";
 	print "<div>\n" .
-	      $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
 	      "</div>\n";
-	print "<div class=\"page_path\">\n" .
-	      "/$file_name<br/>\n";
-	print "</div>\n";
-	open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin $file_name";
+	print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b><br/></div>\n";
+
+	open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin \'$file_name\'";
 	my $commit;
+	print "<table cellspacing=\"0\">\n";
+	my $alternate = 0;
 	while (my $line = <$fd>) {
-		if ($line =~ m/^([0-9a-fA-F]{40}) /){
+		if ($line =~ m/^([0-9a-fA-F]{40})/){
 			$commit = $1;
 			next;
 		}
-		if ($line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/ && (defined $commit)) {
-			my $type = $3;
-			my $file = $5;
-			if ($file ne $file_name || $type ne "blob") {
-				next;
-			}
+		if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/ && (defined $commit)) {
 			my %co = git_read_commit($commit);
 			if (!%co) {
 				next;
 			}
-			print "<div class=\"list\">\n" .
-			      $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"},
-			      "<span class=\"age\">$co{'age_string'}</span>" . escapeHTML($co{'title'})) . "\n" .
-			      "</div>\n";
-			print "<div class=\"list_link\">\n" .
-			      $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
-			      " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" .  $co{'tree'} . ";hb=$commit"}, "tree") .
-			      " | " . $cgi->a({-href => "$my_uri?p=$project;a=blob;hb=$commit;f=$file"}, "blob");
+			my $ref = "";
+			if (defined $refs->{$commit}) {
+				$ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
+			}
+			if ($alternate) {
+				print "<tr class=\"dark\">\n";
+			} else {
+				print "<tr class=\"light\">\n";
+			}
+			$alternate ^= 1;
+			print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
+			      "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
+			      "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"}, "<b>" .
+			      esc_html(chop_str($co{'title'}, 50)) . "$ref</b>") . "</td>\n" .
+			      "<td class=\"link\">" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
+			      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
+			      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=$commit;f=$file_name")}, "blob");
 			my $blob = git_get_hash_by_path($hash, $file_name);
 			my $blob_parent = git_get_hash_by_path($commit, $file_name);
 			if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
-				print " | " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file"}, "diff");
+				print " | " .
+				$cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name")},
+				"diff to current");
 			}
-			print "<br/>\n" .
-			      "</div>\n";
+			print "</td>\n" .
+			      "</tr>\n";
 			undef $commit;
 		}
 	}
+	print "</table>\n";
+	close $fd;
+	git_footer_html();
+}
+
+sub git_search {
+	if (!defined $searchtext) {
+		die_error("", "Text field empty.");
+	}
+	if (!defined $hash) {
+		$hash = git_read_head($project);
+	}
+	my %co = git_read_commit($hash);
+	if (!%co) {
+		die_error(undef, "Unknown commit object.");
+	}
+	# pickaxe may take all resources of your box and run for several minutes
+	# with every query - so decide by yourself how public you make this feature :)
+	my $commit_search = 1;
+	my $author_search = 0;
+	my $committer_search = 0;
+	my $pickaxe_search = 0;
+	if ($searchtext =~ s/^author\\://i) {
+		$author_search = 1;
+	} elsif ($searchtext =~ s/^committer\\://i) {
+		$committer_search = 1;
+	} elsif ($searchtext =~ s/^pickaxe\\://i) {
+		$commit_search = 0;
+		$pickaxe_search = 1;
+	}
+	git_header_html();
+	print "<div class=\"page_nav\">\n" .
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary;h=$hash")}, "summary") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
+	      "<br/><br/>\n" .
+	      "</div>\n";
+
+	print "<div>\n" .
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
+	      "</div>\n";
+	print "<table cellspacing=\"0\">\n";
+	my $alternate = 0;
+	if ($commit_search) {
+		$/ = "\0";
+		open my $fd, "-|", "$gitbin/git-rev-list --header --parents $hash" or next;
+		while (my $commit_text = <$fd>) {
+			if (!grep m/$searchtext/i, $commit_text) {
+				next;
+			}
+			if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
+				next;
+			}
+			if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
+				next;
+			}
+			my @commit_lines = split "\n", $commit_text;
+			my %co = git_read_commit(undef, \@commit_lines);
+			if (!%co) {
+				next;
+			}
+			if ($alternate) {
+				print "<tr class=\"dark\">\n";
+			} else {
+				print "<tr class=\"light\">\n";
+			}
+			$alternate ^= 1;
+			print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
+			      "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
+			      "<td>" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" . esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
+			my $comment = $co{'comment'};
+			foreach my $line (@$comment) {
+				if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
+					my $lead = esc_html($1) || "";
+					$lead = chop_str($lead, 30, 10);
+					my $match = esc_html($2) || "";
+					my $trail = esc_html($3) || "";
+					$trail = chop_str($trail, 30, 10);
+					my $text = "$lead<span style=\"color:#e00000\">$match</span>$trail";
+					print chop_str($text, 80, 5) . "<br/>\n";
+				}
+			}
+			print "</td>\n" .
+			      "<td class=\"link\">" .
+			      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
+			      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
+			print "</td>\n" .
+			      "</tr>\n";
+		}
+		close $fd;
+	}
+
+	if ($pickaxe_search) {
+		$/ = "\n";
+		open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -S\'$searchtext\'";
+		undef %co;
+		my @files;
+		while (my $line = <$fd>) {
+			if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
+				my %set;
+				$set{'file'} = $6;
+				$set{'from_id'} = $3;
+				$set{'to_id'} = $4;
+				$set{'id'} = $set{'to_id'};
+				if ($set{'id'} =~ m/0{40}/) {
+					$set{'id'} = $set{'from_id'};
+				}
+				if ($set{'id'} =~ m/0{40}/) {
+					next;
+				}
+				push @files, \%set;
+			} elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
+				if (%co) {
+					if ($alternate) {
+						print "<tr class=\"dark\">\n";
+					} else {
+						print "<tr class=\"light\">\n";
+					}
+					$alternate ^= 1;
+					print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
+					      "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
+					      "<td>" .
+					      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" .
+					      esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
+					while (my $setref = shift @files) {
+						my %set = %$setref;
+						print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}"), class => "list"},
+						      "<span style=\"color:#e00000\">" . esc_html($set{'file'}) . "</span>") .
+						      "<br/>\n";
+					}
+					print "</td>\n" .
+					      "<td class=\"link\">" .
+					      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
+					      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
+					print "</td>\n" .
+					      "</tr>\n";
+				}
+				%co = git_read_commit($1);
+			}
+		}
+		close $fd;
+	}
+	print "</table>\n";
+	git_footer_html();
+}
+
+sub git_shortlog {
+	my $head = git_read_head($project);
+	if (!defined $hash) {
+		$hash = $head;
+	}
+	if (!defined $page) {
+		$page = 0;
+	}
+	my $refs = read_info_ref();
+	git_header_html();
+	print "<div class=\"page_nav\">\n" .
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
+	      " | shortlog" .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
+	      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
+
+	my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
+	open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
+	my (@revlist) = map { chomp; $_ } <$fd>;
 	close $fd;
+
+	if ($hash ne $head || $page) {
+		print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "HEAD");
+	} else {
+		print "HEAD";
+	}
+	if ($page > 0) {
+		print " &sdot; " .
+		$cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
+	} else {
+		print " &sdot; prev";
+	}
+	if ($#revlist >= (100 * ($page+1)-1)) {
+		print " &sdot; " .
+		$cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
+	} else {
+		print " &sdot; next";
+	}
+	print "<br/>\n" .
+	      "</div>\n";
+	print "<div>\n" .
+	      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
+	      "</div>\n";
+	print "<table cellspacing=\"0\">\n";
+	my $alternate = 0;
+	for (my $i = ($page * 100); $i <= $#revlist; $i++) {
+		my $commit = $revlist[$i];
+		my $ref = "";
+		if (defined $refs->{$commit}) {
+			$ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
+		}
+		my %co = git_read_commit($commit);
+		my %ad = date_str($co{'author_epoch'});
+		if ($alternate) {
+			print "<tr class=\"dark\">\n";
+		} else {
+			print "<tr class=\"light\">\n";
+		}
+		$alternate ^= 1;
+		print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
+		      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
+		      "<td>";
+		if (length($co{'title_short'}) < length($co{'title'})) {
+			print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
+			      "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
+		} else {
+			print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
+			      "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
+		}
+		print "</td>\n" .
+		      "<td class=\"link\">" .
+		      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
+		      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
+		      "</td>\n" .
+		      "</tr>";
+	}
+	if ($#revlist >= (100 * ($page+1)-1)) {
+		print "<tr>\n" .
+		      "<td>" .
+		      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -title => "Alt-n"}, "next") .
+		      "</td>\n" .
+		      "</tr>\n";
+	}
+	print "</table\n>";
 	git_footer_html();
 }