X-Git-Url: https://git.ladys.computer/Gitweb/blobdiff_plain/40cf0ff9b57de584967fb5fec76cce575b6f84f523892ff871224ab99be557cd..0a5af6da42d12bd19097a0a25eafc1d89c985cb54007bc32bfec130a46bcd080:/gitweb.perl

diff --git a/gitweb.perl b/gitweb.perl
index ec50a81..211223b 100755
--- a/gitweb.perl
+++ b/gitweb.perl
@@ -41,19 +41,40 @@ our $home_link_str = "++GITWEB_HOME_LINK_STR++";
 # replace this with something more descriptive for clearer bookmarks
 our $site_name = "++GITWEB_SITENAME++" || $ENV{'SERVER_NAME'} || "Untitled";
 
+# filename of html text to include at top of each page
+our $site_header = "++GITWEB_SITE_HEADER++";
 # html text to include at home page
 our $home_text = "++GITWEB_HOMETEXT++";
+# filename of html text to include at bottom of each page
+our $site_footer = "++GITWEB_SITE_FOOTER++";
 
-# URI of default stylesheet
-our $stylesheet = "++GITWEB_CSS++";
-# URI of GIT logo
+# URI of stylesheets
+our @stylesheets = ("++GITWEB_CSS++");
+our $stylesheet;
+# default is not to define style sheet, but it can be overwritten later
+undef $stylesheet;
+
+# URI of GIT logo (72x27 size)
 our $logo = "++GITWEB_LOGO++";
 # URI of GIT favicon, assumed to be image/png type
 our $favicon = "++GITWEB_FAVICON++";
 
+# URI and label (title) of GIT logo link
+#our $logo_url = "http://www.kernel.org/pub/software/scm/git/docs/";
+#our $logo_label = "git documentation";
+our $logo_url = "http://git.or.cz/";
+our $logo_label = "git homepage";
+
 # source of projects list
 our $projects_list = "++GITWEB_LIST++";
 
+# show repository only if this file exists
+# (only effective if this variable evaluates to true)
+our $export_ok = "++GITWEB_EXPORT_OK++";
+
+# only allow viewing of repositories also shown on the overview page
+our $strict_export = "++GITWEB_STRICT_EXPORT++";
+
 # list of git base URLs used for URL to where fetch project from,
 # i.e. full URL is "$git_base_url/$project"
 our @git_base_url_list = ("++GITWEB_BASE_URL++");
@@ -80,35 +101,83 @@ our %feature = (
 	#
 	# use gitweb_check_feature(<feature>) to check if <feature> is enabled
 
+	# Enable the 'blame' blob view, showing the last commit that modified
+	# each line in the file. This can be very CPU-intensive.
+
+	# To enable system wide have in $GITWEB_CONFIG
+	# $feature{'blame'}{'default'} = [1];
+	# To have project specific config enable override in $GITWEB_CONFIG
+	# $feature{'blame'}{'override'} = 1;
+	# and in project config gitweb.blame = 0|1;
 	'blame' => {
 		'sub' => \&feature_blame,
 		'override' => 0,
 		'default' => [0]},
 
+	# Enable the 'snapshot' link, providing a compressed tarball of any
+	# tree. This can potentially generate high traffic if you have large
+	# project.
+
+	# To disable system wide have in $GITWEB_CONFIG
+	# $feature{'snapshot'}{'default'} = [undef];
+	# To have project specific config enable override in $GITWEB_CONFIG
+	# $feature{'blame'}{'override'} = 1;
+	# and in project config gitweb.snapshot = none|gzip|bzip2;
 	'snapshot' => {
 		'sub' => \&feature_snapshot,
 		'override' => 0,
 		#         => [content-encoding, suffix, program]
 		'default' => ['x-gzip', 'gz', 'gzip']},
+
+	# Enable the pickaxe search, which will list the commits that modified
+	# a given string in a file. This can be practical and quite faster
+	# alternative to 'blame', but still potentially CPU-intensive.
+
+	# To enable system wide have in $GITWEB_CONFIG
+	# $feature{'pickaxe'}{'default'} = [1];
+	# To have project specific config enable override in $GITWEB_CONFIG
+	# $feature{'pickaxe'}{'override'} = 1;
+	# and in project config gitweb.pickaxe = 0|1;
+	'pickaxe' => {
+		'sub' => \&feature_pickaxe,
+		'override' => 0,
+		'default' => [1]},
+
+	# Make gitweb use an alternative format of the URLs which can be
+	# more readable and natural-looking: project name is embedded
+	# directly in the path and the query string contains other
+	# auxiliary information. All gitweb installations recognize
+	# URL in either format; this configures in which formats gitweb
+	# generates links.
+
+	# To enable system wide have in $GITWEB_CONFIG
+	# $feature{'pathinfo'}{'default'} = [1];
+	# Project specific override is not supported.
+
+	# Note that you will need to change the default location of CSS,
+	# favicon, logo and possibly other files to an absolute URL. Also,
+	# if gitweb.cgi serves as your indexfile, you will need to force
+	# $my_uri to contain the script name in your $GITWEB_CONFIG.
+	'pathinfo' => {
+		'override' => 0,
+		'default' => [0]},
 );
 
 sub gitweb_check_feature {
 	my ($name) = @_;
-	return undef unless exists $feature{$name};
+	return unless exists $feature{$name};
 	my ($sub, $override, @defaults) = (
 		$feature{$name}{'sub'},
 		$feature{$name}{'override'},
 		@{$feature{$name}{'default'}});
 	if (!$override) { return @defaults; }
+	if (!defined $sub) {
+		warn "feature $name is not overrideable";
+		return @defaults;
+	}
 	return $sub->(@defaults);
 }
 
-# To enable system wide have in $GITWEB_CONFIG
-# $feature{'blame'}{'default'} = [1];
-# To have project specific config enable override in $GITWEB_CONFIG
-# $feature{'blame'}{'override'} = 1;
-# and in project config gitweb.blame = 0|1;
-
 sub feature_blame {
 	my ($val) = git_get_project_config('blame', '--bool');
 
@@ -121,12 +190,6 @@ sub feature_blame {
 	return $_[0];
 }
 
-# To disable system wide have in $GITWEB_CONFIG
-# $feature{'snapshot'}{'default'} = [undef];
-# To have project specific config enable override in $GITWEB_CONFIG
-# $feature{'blame'}{'override'} = 1;
-# and in project config  gitweb.snapshot = none|gzip|bzip2
-
 sub feature_snapshot {
 	my ($ctype, $suffix, $command) = @_;
 
@@ -143,6 +206,41 @@ sub feature_snapshot {
 	return ($ctype, $suffix, $command);
 }
 
+sub gitweb_have_snapshot {
+	my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
+	my $have_snapshot = (defined $ctype && defined $suffix);
+
+	return $have_snapshot;
+}
+
+sub feature_pickaxe {
+	my ($val) = git_get_project_config('pickaxe', '--bool');
+
+	if ($val eq 'true') {
+		return (1);
+	} elsif ($val eq 'false') {
+		return (0);
+	}
+
+	return ($_[0]);
+}
+
+# checking HEAD file with -e is fragile if the repository was
+# initialized long time ago (i.e. symlink HEAD) and was pack-ref'ed
+# and then pruned.
+sub check_head_link {
+	my ($dir) = @_;
+	my $headfile = "$dir/HEAD";
+	return ((-e $headfile) ||
+		(-l $headfile && readlink($headfile) =~ /^refs\/heads\//));
+}
+
+sub check_export_ok {
+	my ($dir) = @_;
+	return (check_head_link($dir) &&
+		(!$export_ok || -e "$dir/$export_ok"));
+}
+
 # rename detection options for git-diff and git-diff-tree
 # - default is '-M', with the cost proportional to
 #   (number of removed files) * (number of new files).
@@ -159,9 +257,6 @@ do $GITWEB_CONFIG if -e $GITWEB_CONFIG;
 # version of the core git binary
 our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
 
-# path to the current git repository
-our $git_dir;
-
 $projects_list ||= $projectroot;
 
 # ======================================================================
@@ -173,70 +268,66 @@ if (defined $action) {
 	}
 }
 
-our $project = ($cgi->param('p') || $ENV{'PATH_INFO'});
+# parameters which are pathnames
+our $project = $cgi->param('p');
 if (defined $project) {
-	$project =~ s|^/||;
-	$project =~ s|/$||;
-	$project = undef unless $project;
-}
-if (defined $project) {
-	if (!validate_input($project)) {
-		die_error(undef, "Invalid project parameter");
-	}
-	if (!(-d "$projectroot/$project")) {
-		die_error(undef, "No such directory");
-	}
-	if (!(-e "$projectroot/$project/HEAD")) {
+	if (!validate_pathname($project) ||
+	    !(-d "$projectroot/$project") ||
+	    !check_head_link("$projectroot/$project") ||
+	    ($export_ok && !(-e "$projectroot/$project/$export_ok")) ||
+	    ($strict_export && !project_in_list($project))) {
+		undef $project;
 		die_error(undef, "No such project");
 	}
-	$git_dir = "$projectroot/$project";
 }
 
 our $file_name = $cgi->param('f');
 if (defined $file_name) {
-	if (!validate_input($file_name)) {
+	if (!validate_pathname($file_name)) {
 		die_error(undef, "Invalid file parameter");
 	}
 }
 
 our $file_parent = $cgi->param('fp');
 if (defined $file_parent) {
-	if (!validate_input($file_parent)) {
+	if (!validate_pathname($file_parent)) {
 		die_error(undef, "Invalid file parent parameter");
 	}
 }
 
+# parameters which are refnames
 our $hash = $cgi->param('h');
 if (defined $hash) {
-	if (!validate_input($hash)) {
+	if (!validate_refname($hash)) {
 		die_error(undef, "Invalid hash parameter");
 	}
 }
 
 our $hash_parent = $cgi->param('hp');
 if (defined $hash_parent) {
-	if (!validate_input($hash_parent)) {
+	if (!validate_refname($hash_parent)) {
 		die_error(undef, "Invalid hash parent parameter");
 	}
 }
 
 our $hash_base = $cgi->param('hb');
 if (defined $hash_base) {
-	if (!validate_input($hash_base)) {
+	if (!validate_refname($hash_base)) {
 		die_error(undef, "Invalid hash base parameter");
 	}
 }
 
 our $hash_parent_base = $cgi->param('hpb');
 if (defined $hash_parent_base) {
-	if (!validate_input($hash_parent_base)) {
+	if (!validate_refname($hash_parent_base)) {
 		die_error(undef, "Invalid hash parent base parameter");
 	}
 }
 
+# other parameters
 our $page = $cgi->param('pg');
 if (defined $page) {
-	if ($page =~ m/[^0-9]$/) {
+	if ($page =~ m/[^0-9]/) {
 		die_error(undef, "Invalid page parameter");
 	}
 }
@@ -249,6 +340,62 @@ if (defined $searchtext) {
 	$searchtext = quotemeta $searchtext;
 }
 
+our $searchtype = $cgi->param('st');
+if (defined $searchtype) {
+	if ($searchtype =~ m/[^a-z]/) {
+		die_error(undef, "Invalid searchtype parameter");
+	}
+}
+
+# now read PATH_INFO and use it as alternative to parameters
+sub evaluate_path_info {
+	return if defined $project;
+	my $path_info = $ENV{"PATH_INFO"};
+	return if !$path_info;
+	$path_info =~ s,^/+,,;
+	return if !$path_info;
+	# find which part of PATH_INFO is project
+	$project = $path_info;
+	$project =~ s,/+$,,;
+	while ($project && !check_head_link("$projectroot/$project")) {
+		$project =~ s,/*[^/]*$,,;
+	}
+	# validate project
+	$project = validate_pathname($project);
+	if (!$project ||
+	    ($export_ok && !-e "$projectroot/$project/$export_ok") ||
+	    ($strict_export && !project_in_list($project))) {
+		undef $project;
+		return;
+	}
+	# do not change any parameters if an action is given using the query string
+	return if $action;
+	$path_info =~ s,^$project/*,,;
+	my ($refname, $pathname) = split(/:/, $path_info, 2);
+	if (defined $pathname) {
+		# we got "project.git/branch:filename" or "project.git/branch:dir/"
+		# we could use git_get_type(branch:pathname), but it needs $git_dir
+		$pathname =~ s,^/+,,;
+		if (!$pathname || substr($pathname, -1) eq "/") {
+			$action  ||= "tree";
+			$pathname =~ s,/$,,;
+		} else {
+			$action  ||= "blob_plain";
+		}
+		$hash_base ||= validate_refname($refname);
+		$file_name ||= validate_pathname($pathname);
+	} elsif (defined $refname) {
+		# we got "project.git/branch"
+		$action ||= "shortlog";
+		$hash   ||= validate_refname($refname);
+	}
+}
+evaluate_path_info();
+
+# path to the current git repository
+our $git_dir;
+$git_dir = "$projectroot/$project" if $project;
+
 # dispatch
 my %actions = (
 	"blame" => \&git_blame2,
@@ -264,6 +411,7 @@ my %actions = (
 	"log" => \&git_log,
 	"rss" => \&git_rss,
 	"search" => \&git_search,
+	"search_help" => \&git_search_help,
 	"shortlog" => \&git_shortlog,
 	"summary" => \&git_summary,
 	"tag" => \&git_tag,
@@ -273,6 +421,7 @@ my %actions = (
 	# those below don't need $project
 	"opml" => \&git_opml,
 	"project_list" => \&git_project_list,
+	"project_index" => \&git_project_index,
 );
 
 if (defined $project) {
@@ -283,6 +432,10 @@ if (defined $project) {
 if (!defined($actions{$action})) {
 	die_error(undef, "Unknown action");
 }
+if ($action !~ m/^(opml|project_list|project_index)$/ &&
+    !$project) {
+	die_error(undef, "Project needed");
+}
 $actions{$action}->();
 exit;
 
@@ -291,6 +444,10 @@ exit;
 
 sub href(%) {
 	my %params = @_;
+	my $href = $my_uri;
+
+	# XXX: Warning: If you touch this, check the search form for updating,
+	# too.
 
 	my @mapping = (
 		project => "p",
@@ -302,12 +459,27 @@ sub href(%) {
 		hash_base => "hb",
 		hash_parent_base => "hpb",
 		page => "pg",
+		order => "o",
 		searchtext => "s",
+		searchtype => "st",
 	);
 	my %mapping = @mapping;
 
-	$params{"project"} ||= $project;
+	$params{'project'} = $project unless exists $params{'project'};
 
+	my ($use_pathinfo) = gitweb_check_feature('pathinfo');
+	if ($use_pathinfo) {
+		# use PATH_INFO for project name
+		$href .= "/$params{'project'}" if defined $params{'project'};
+		delete $params{'project'};
+
+		# Summary just uses the project path URL
+		if (defined $params{'action'} && $params{'action'} eq 'summary') {
+			delete $params{'action'};
+		}
+	}
+
+	# now encode the parameters explicitly
 	my @result = ();
 	for (my $i = 0; $i < @mapping; $i += 2) {
 		my ($name, $symbol) = ($mapping[$i], $mapping[$i+1]);
@@ -315,31 +487,66 @@ sub href(%) {
 			push @result, $symbol . "=" . esc_param($params{$name});
 		}
 	}
-	return "$my_uri?" . join(';', @result);
+	$href .= "?" . join(';', @result) if scalar @result;
+
+	return $href;
 }
 
 
 ## ======================================================================
 ## validation, quoting/unquoting and escaping
 
-sub validate_input {
-	my $input = shift;
+sub validate_pathname {
+	my $input = shift || return undef;
 
-	if ($input =~ m/^[0-9a-fA-F]{40}$/) {
-		return $input;
+	# no '.' or '..' as elements of path, i.e. no '.' nor '..'
+	# at the beginning, at the end, and between slashes.
+	# also this catches doubled slashes
+	if ($input =~ m!(^|/)(|\.|\.\.)(/|$)!) {
+		return undef;
 	}
-	if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
+	# no null characters
+	if ($input =~ m!\0!) {
 		return undef;
 	}
-	if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
+	return $input;
+}
+
+sub validate_refname {
+	my $input = shift || return undef;
+
+	# textual hashes are O.K.
+	if ($input =~ m/^[0-9a-fA-F]{40}$/) {
+		return $input;
+	}
+	# it must be correct pathname
+	$input = validate_pathname($input)
+		or return undef;
+	# restrictions on ref name according to git-check-ref-format
+	if ($input =~ m!(/\.|\.\.|[\000-\040\177 ~^:?*\[]|/$)!) {
 		return undef;
 	}
 	return $input;
 }
 
+# very thin wrapper for decode("utf8", $str, Encode::FB_DEFAULT);
+sub to_utf8 {
+	my $str = shift;
+	return decode("utf8", $str, Encode::FB_DEFAULT);
+}
+
 # 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;
+}
+
+# quote unsafe chars in whole URL, so some charactrs cannot be quoted
+sub esc_url {
 	my $str = shift;
 	$str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 	$str =~ s/\+/%2B/g;
@@ -350,9 +557,10 @@ sub esc_param {
 # replace invalid utf8 character with SUBSTITUTION sequence
 sub esc_html {
 	my $str = shift;
-	$str = decode("utf8", $str, Encode::FB_DEFAULT);
+	$str = to_utf8($str);
 	$str = escapeHTML($str);
 	$str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
+	$str =~ s/\033/^[/g; # "escape" ESCAPE (\e) character (e.g. commit 20a3847d8a5032ce41f90dcc68abfb36e6fee9b1)
 	return $str;
 }
 
@@ -380,6 +588,12 @@ sub untabify {
 	return $line;
 }
 
+sub project_in_list {
+	my $project = shift;
+	my @list = git_get_projects_list();
+	return @list && scalar(grep { $_->{'path'} eq $project } @list);
+}
+
 ## ----------------------------------------------------------------------
 ## HTML aware string manipulation
 
@@ -546,7 +760,7 @@ sub format_subject_html {
 
 	if (length($short) < length($long)) {
 		return $cgi->a({-href => $href, -class => "list subject",
-		                -title => $long},
+		                -title => to_utf8($long)},
 		       esc_html($short) . $extra);
 	} else {
 		return $cgi->a({-href => $href, -class => "list subject"},
@@ -637,8 +851,9 @@ sub git_get_project_config {
 sub git_get_hash_by_path {
 	my $base = shift;
 	my $path = shift || return undef;
+	my $type = shift;
 
-	my $tree = $base;
+	$path =~ s,/+$,,;
 
 	open my $fd, "-|", git_cmd(), "ls-tree", $base, "--", $path
 		or die_error(undef, "Open git-ls-tree failed");
@@ -647,25 +862,16 @@ sub git_get_hash_by_path {
 
 	#'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa	panic.c'
 	$line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
+	if (defined $type && $type ne $2) {
+		# type doesn't match
+		return undef;
+	}
 	return $3;
 }
 
 ## ......................................................................
 ## git utility functions, directly accessing git repository
 
-# assumes that PATH is not symref
-sub git_get_hash_by_ref {
-	my $path = shift;
-
-	open my $fd, "$projectroot/$path" or return undef;
-	my $head = <$fd>;
-	close $fd;
-	chomp $head;
-	if ($head =~ m/^[0-9a-fA-F]{40}$/) {
-		return $head;
-	}
-}
-
 sub git_get_project_description {
 	my $path = shift;
 
@@ -679,7 +885,7 @@ sub git_get_project_description {
 sub git_get_project_url_list {
 	my $path = shift;
 
-	open my $fd, "$projectroot/$path/cloneurl" or return undef;
+	open my $fd, "$projectroot/$path/cloneurl" or return;
 	my @git_project_url_list = map { chomp; $_ } <$fd>;
 	close $fd;
 
@@ -692,22 +898,32 @@ sub git_get_projects_list {
 	if (-d $projects_list) {
 		# search in directory
 		my $dir = $projects_list;
-		opendir my ($dh), $dir or return undef;
-		while (my $dir = readdir($dh)) {
-			if (-e "$projectroot/$dir/HEAD") {
-				my $pr = {
-					path => $dir,
-				};
-				push @list, $pr
-			}
-		}
-		closedir($dh);
+		my $pfxlen = length("$dir");
+
+		File::Find::find({
+			follow_fast => 1, # follow symbolic links
+			dangling_symlinks => 0, # ignore dangling symlinks, silently
+			wanted => sub {
+				# skip project-list toplevel, if we get it.
+				return if (m!^[/.]$!);
+				# only directories can be git repositories
+				return unless (-d $_);
+
+				my $subdir = substr($File::Find::name, $pfxlen + 1);
+				# we check related file in $projectroot
+				if (check_export_ok("$projectroot/$subdir")) {
+					push @list, { path => $subdir };
+					$File::Find::prune = 1;
+				}
+			},
+		}, "$dir");
+
 	} elsif (-f $projects_list) {
 		# read from file(url-encoded):
 		# 'git%2Fgit.git Linus+Torvalds'
 		# 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 		# 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
-		open my ($fd), $projects_list or return undef;
+		open my ($fd), $projects_list or return;
 		while (my $line = <$fd>) {
 			chomp $line;
 			my ($path, $owner) = split ' ', $line;
@@ -716,10 +932,10 @@ sub git_get_projects_list {
 			if (!defined $path) {
 				next;
 			}
-			if (-e "$projectroot/$path/HEAD") {
+			if (check_export_ok("$projectroot/$path")) {
 				my $pr = {
 					path => $path,
-					owner => decode("utf8", $owner, Encode::FB_DEFAULT),
+					owner => to_utf8($owner),
 				};
 				push @list, $pr
 			}
@@ -748,7 +964,7 @@ sub git_get_project_owner {
 			$pr = unescape($pr);
 			$ow = unescape($ow);
 			if ($pr eq $project) {
-				$owner = decode("utf8", $ow, Encode::FB_DEFAULT);
+				$owner = to_utf8($ow);
 				last;
 			}
 		}
@@ -764,16 +980,10 @@ sub git_get_project_owner {
 sub git_get_references {
 	my $type = shift || "";
 	my %refs;
-	my $fd;
 	# 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c	refs/tags/v2.6.11
 	# c39ae07f393806ccf406ef966e9a15afc43cc36a	refs/tags/v2.6.11^{}
-	if (-f "$projectroot/$project/info/refs") {
-		open $fd, "$projectroot/$project/info/refs"
-			or return;
-	} else {
-		open $fd, "-|", git_cmd(), "ls-remote", "."
-			or return;
-	}
+	open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/"
+		or return;
 
 	while (my $line = <$fd>) {
 		chomp $line;
@@ -832,6 +1042,9 @@ sub parse_date {
 	$date{'hour_local'} = $hour;
 	$date{'minute_local'} = $min;
 	$date{'tz_local'} = $tz;
+	$date{'iso-tz'} = sprintf ("%04d-%02d-%02d %02d:%02d:%02d %s",
+				   1900+$year, $mon+1, $mday,
+				   $hour, $min, $sec, $tz);
 	return %date;
 }
 
@@ -870,6 +1083,24 @@ sub parse_tag {
 	return %tag
 }
 
+sub git_get_last_activity {
+	my ($path) = @_;
+	my $fd;
+
+	$git_dir = "$projectroot/$path";
+	open($fd, "-|", git_cmd(), 'for-each-ref',
+	     '--format=%(refname) %(committer)',
+	     '--sort=-committerdate',
+	     'refs/heads') or return;
+	my $most_recent = <$fd>;
+	close $fd or return;
+	if ($most_recent =~ / (\d+) [-+][01]\d\d\d$/) {
+		my $timestamp = $1;
+		my $age = time - $timestamp;
+		return ($age, age_string($age));
+	}
+}
+
 sub parse_commit {
 	my $commit_id = shift;
 	my $commit_text = shift;
@@ -880,12 +1111,11 @@ sub parse_commit {
 	if (defined $commit_text) {
 		@commit_lines = @$commit_text;
 	} else {
-		$/ = "\0";
+		local $/ = "\0";
 		open my $fd, "-|", git_cmd(), "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 $header = shift @commit_lines;
@@ -945,6 +1175,9 @@ sub parse_commit {
 			last;
 		}
 	}
+	if ($co{'title'} eq "") {
+		$co{'title'} = $co{'title_short'} = '(no commit message)';
+	}
 	# remove added spaces
 	foreach my $line (@commit_lines) {
 		$line =~ s/^    //;
@@ -1061,28 +1294,46 @@ sub parse_ls_tree_line ($;%) {
 ## parse to array of hashes functions
 
 sub git_get_refs_list {
-	my $ref_dir = shift;
+	my $type = shift || "";
+	my %refs;
 	my @reflist;
 
 	my @refs;
-	my $pfxlen = length("$projectroot/$project/$ref_dir");
-	File::Find::find(sub {
-		return if (/^\./);
-		if (-f $_) {
-			push @refs, substr($File::Find::name, $pfxlen + 1);
+	open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/"
+		or return;
+	while (my $line = <$fd>) {
+		chomp $line;
+		if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?([^\^]+))(\^\{\})?$/) {
+			if (defined $refs{$1}) {
+				push @{$refs{$1}}, $2;
+			} else {
+				$refs{$1} = [ $2 ];
+			}
+
+			if (! $4) { # unpeeled, direct reference
+				push @refs, { hash => $1, name => $3 }; # without type
+			} elsif ($3 eq $refs[-1]{'name'}) {
+				# most likely a tag is followed by its peeled
+				# (deref) one, and when that happens we know the
+				# previous one was of type 'tag'.
+				$refs[-1]{'type'} = "tag";
+			}
 		}
-	}, "$projectroot/$project/$ref_dir");
+	}
+	close $fd;
+
+	foreach my $ref (@refs) {
+		my $ref_file = $ref->{'name'};
+		my $ref_id   = $ref->{'hash'};
 
-	foreach my $ref_file (@refs) {
-		my $ref_id = git_get_hash_by_ref("$project/$ref_dir/$ref_file");
-		my $type = git_get_type($ref_id) || next;
+		my $type = $ref->{'type'} || git_get_type($ref_id) || next;
 		my %ref_item = parse_ref($ref_file, $ref_id, $type);
 
 		push @reflist, \%ref_item;
 	}
 	# sort refs by age
 	@reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
-	return \@reflist;
+	return (\@reflist, \%refs);
 }
 
 ## ----------------------------------------------------------------------
@@ -1098,7 +1349,7 @@ sub get_file_owner {
 	}
 	my $owner = $gcos;
 	$owner =~ s/[,;].*$//;
-	return decode("utf8", $owner, Encode::FB_DEFAULT);
+	return to_utf8($owner);
 }
 
 ## ......................................................................
@@ -1123,7 +1374,7 @@ sub mimetype_guess_file {
 	}
 	close(MIME);
 
-	$filename =~ /\.(.*?)$/;
+	$filename =~ /\.([^.]*)$/;
 	return $mimemap{$1};
 }
 
@@ -1185,7 +1436,7 @@ sub git_header_html {
 		if (defined $action) {
 			$title .= "/$action";
 			if (defined $file_name) {
-				$title .= " - $file_name";
+				$title .= " - " . esc_html($file_name);
 				if ($action eq "tree" && $file_name !~ m|/$|) {
 					$title .= "/";
 				}
@@ -1217,24 +1468,47 @@ sub git_header_html {
 <meta name="generator" content="gitweb/$version git/$git_version"/>
 <meta name="robots" content="index, nofollow"/>
 <title>$title</title>
-<link rel="stylesheet" type="text/css" href="$stylesheet"/>
 EOF
+# print out each stylesheet that exist
+	if (defined $stylesheet) {
+#provides backwards capability for those people who define style sheet in a config file
+		print '<link rel="stylesheet" type="text/css" href="'.$stylesheet.'"/>'."\n";
+	} else {
+		foreach my $stylesheet (@stylesheets) {
+			next unless $stylesheet;
+			print '<link rel="stylesheet" type="text/css" href="'.$stylesheet.'"/>'."\n";
+		}
+	}
 	if (defined $project) {
 		printf('<link rel="alternate" title="%s log" '.
 		       'href="%s" type="application/rss+xml"/>'."\n",
 		       esc_param($project), href(action=>"rss"));
+	} else {
+		printf('<link rel="alternate" title="%s projects list" '.
+		       'href="%s" type="text/plain; charset=utf-8"/>'."\n",
+		       $site_name, href(project=>undef, action=>"project_index"));
+		printf('<link rel="alternate" title="%s projects logs" '.
+		       'href="%s" type="text/x-opml"/>'."\n",
+		       $site_name, href(project=>undef, action=>"opml"));
 	}
 	if (defined $favicon) {
 		print qq(<link rel="shortcut icon" href="$favicon" type="image/png"/>\n);
 	}
 
 	print "</head>\n" .
-	      "<body>\n" .
-	      "<div class=\"page_header\">\n" .
-	      "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
-	      "<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
-	      "</a>\n";
-	print $cgi->a({-href => esc_param($home_link)}, $home_link_str) . " / ";
+	      "<body>\n";
+
+	if (-f $site_header) {
+		open (my $fd, $site_header);
+		print <$fd>;
+		close $fd;
+	}
+
+	print "<div class=\"page_header\">\n" .
+	      $cgi->a({-href => esc_url($logo_url),
+	               -title => $logo_label},
+	              qq(<img src="$logo" width="72" height="27" alt="git" class="logo"/>));
+	print $cgi->a({-href => esc_url($home_link)}, $home_link_str) . " / ";
 	if (defined $project) {
 		print $cgi->a({-href => href(action=>"summary")}, esc_html($project));
 		if (defined $action) {
@@ -1254,11 +1528,16 @@ EOF
 		}
 		$cgi->param("a", "search");
 		$cgi->param("h", $search_hash);
+		$cgi->param("p", $project);
 		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->popup_menu(-name => 'st', -default => 'commit',
+				       -values => ['commit', 'author', 'committer', 'pickaxe']) .
+		      $cgi->sup($cgi->a({-href => href(action=>"search_help")}, "?")) .
+		      " search:\n",
 		      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 		      "</div>" .
 		      $cgi->end_form() . "\n";
@@ -1273,12 +1552,23 @@ sub git_footer_html {
 		if (defined $descr) {
 			print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
 		}
-		print $cgi->a({-href => href(action=>"rss"), -class => "rss_logo"}, "RSS") . "\n";
+		print $cgi->a({-href => href(action=>"rss"),
+		              -class => "rss_logo"}, "RSS") . "\n";
 	} else {
-		print $cgi->a({-href => href(action=>"opml"), -class => "rss_logo"}, "OPML") . "\n";
+		print $cgi->a({-href => href(project=>undef, action=>"opml"),
+		              -class => "rss_logo"}, "OPML") . " ";
+		print $cgi->a({-href => href(project=>undef, action=>"project_index"),
+		              -class => "rss_logo"}, "TXT") . "\n";
+	}
+	print "</div>\n" ;
+
+	if (-f $site_footer) {
+		open (my $fd, $site_footer);
+		print <$fd>;
+		close $fd;
 	}
-	print "</div>\n" .
-	      "</body>\n" .
+
+	print "</body>\n" .
 	      "</html>";
 }
 
@@ -1403,22 +1693,37 @@ sub git_print_page_path {
 	my $type = shift;
 	my $hb = shift;
 
-	if (!defined $name) {
-		print "<div class=\"page_path\">/</div>\n";
-	} elsif (defined $type && $type eq 'blob') {
-		print "<div class=\"page_path\">";
-		if (defined $hb) {
+
+	print "<div class=\"page_path\">";
+	print $cgi->a({-href => href(action=>"tree", hash_base=>$hb),
+	              -title => 'tree root'}, "[$project]");
+	print " / ";
+	if (defined $name) {
+		my @dirname = split '/', $name;
+		my $basename = pop @dirname;
+		my $fullname = '';
+
+		foreach my $dir (@dirname) {
+			$fullname .= ($fullname ? '/' : '') . $dir;
+			print $cgi->a({-href => href(action=>"tree", file_name=>$fullname,
+			                             hash_base=>$hb),
+			              -title => $fullname}, esc_html($dir));
+			print " / ";
+		}
+		if (defined $type && $type eq 'blob') {
 			print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
-			                             hash_base=>$hb)},
-			              esc_html($name));
+			                             hash_base=>$hb),
+			              -title => $name}, esc_html($basename));
+		} elsif (defined $type && $type eq 'tree') {
+			print $cgi->a({-href => href(action=>"tree", file_name=>$file_name,
+			                             hash_base=>$hb),
+			              -title => $name}, esc_html($basename));
+			print " / ";
 		} else {
-			print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name)},
-			              esc_html($name));
+			print esc_html($basename);
 		}
-		print "<br/></div>\n";
-	} else {
-		print "<div class=\"page_path\">" . esc_html($name) . "<br/></div>\n";
 	}
+	print "<br/></div>\n";
 }
 
 # sub git_print_log (\@;%) {
@@ -1487,22 +1792,25 @@ sub git_print_tree_entry {
 	my %base_key = ();
 	$base_key{hash_base} = $hash_base if defined $hash_base;
 
+	# The format of a table row is: mode list link.  Where mode is
+	# the mode of the entry, list is the name of the entry, an href,
+	# and link is the action links of the entry.
+
 	print "<td class=\"mode\">" . mode_str($t->{'mode'}) . "</td>\n";
 	if ($t->{'type'} eq "blob") {
 		print "<td class=\"list\">" .
-		      $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
-		                             file_name=>"$basedir$t->{'name'}", %base_key),
-		              -class => "list"}, esc_html($t->{'name'})) .
-		      "</td>\n" .
-		      "<td class=\"link\">" .
-		      $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
-		                             file_name=>"$basedir$t->{'name'}", %base_key)},
-		              "blob");
+			$cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
+			                       file_name=>"$basedir$t->{'name'}", %base_key),
+			        -class => "list"}, esc_html($t->{'name'})) . "</td>\n";
+		print "<td class=\"link\">";
+		print $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
+					     file_name=>"$basedir$t->{'name'}", %base_key)},
+			      "blob");
 		if ($have_blame) {
 			print " | " .
-				$cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
-				                       file_name=>"$basedir$t->{'name'}", %base_key)},
-				        "blame");
+			      $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
+				                           file_name=>"$basedir$t->{'name'}", %base_key)},
+				            "blame");
 		}
 		if (defined $hash_base) {
 			print " | " .
@@ -1511,21 +1819,21 @@ sub git_print_tree_entry {
 			              "history");
 		}
 		print " | " .
-		      $cgi->a({-href => href(action=>"blob_plain",
-		                             hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
-		              "raw") .
-		      "</td>\n";
+			$cgi->a({-href => href(action=>"blob_plain", hash_base=>$hash_base,
+			                       file_name=>"$basedir$t->{'name'}")},
+			        "raw");
+		print "</td>\n";
 
 	} elsif ($t->{'type'} eq "tree") {
-		print "<td class=\"list\">" .
-		      $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
-		                             file_name=>"$basedir$t->{'name'}", %base_key)},
-		              esc_html($t->{'name'})) .
-		      "</td>\n" .
-		      "<td class=\"link\">" .
-		      $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
+		print "<td class=\"list\">";
+		print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
 		                             file_name=>"$basedir$t->{'name'}", %base_key)},
-		              "tree");
+		              esc_html($t->{'name'}));
+		print "</td>\n";
+		print "<td class=\"link\">";
+		print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
+					     file_name=>"$basedir$t->{'name'}", %base_key)},
+			      "tree");
 		if (defined $hash_base) {
 			print " | " .
 			      $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
@@ -1549,7 +1857,7 @@ sub git_difftree_body {
 	print "</div>\n";
 
 	print "<table class=\"diff_tree\">\n";
-	my $alternate = 0;
+	my $alternate = 1;
 	my $patchno = 0;
 	foreach my $line (@{$difftree}) {
 		my %diff = parse_difftree_raw_line($line);
@@ -1582,47 +1890,45 @@ sub git_difftree_body {
 			my $mode_chng = "<span class=\"file_status new\">[new $to_file_type";
 			$mode_chng   .= " with mode: $to_mode_str" if $to_mode_str;
 			$mode_chng   .= "]</span>";
-			print "<td>" .
-			      $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
+			print "<td>";
+			print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
 			                             hash_base=>$hash, file_name=>$diff{'file'}),
-			              -class => "list"}, esc_html($diff{'file'})) .
-			      "</td>\n" .
-			      "<td>$mode_chng</td>\n" .
-			      "<td class=\"link\">" .
-			      $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
-			                             hash_base=>$hash, file_name=>$diff{'file'})},
-			              "blob");
+			              -class => "list"}, esc_html($diff{'file'}));
+			print "</td>\n";
+			print "<td>$mode_chng</td>\n";
+			print "<td class=\"link\">";
 			if ($action eq 'commitdiff') {
 				# link to patch
 				$patchno++;
-				print " | " .
-				      $cgi->a({-href => "#patch$patchno"}, "patch");
+				print $cgi->a({-href => "#patch$patchno"}, "patch");
 			}
 			print "</td>\n";
 
 		} elsif ($diff{'status'} eq "D") { # deleted
 			my $mode_chng = "<span class=\"file_status deleted\">[deleted $from_file_type]</span>";
-			print "<td>" .
-			      $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
+			print "<td>";
+			print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
 			                             hash_base=>$parent, file_name=>$diff{'file'}),
-			               -class => "list"}, esc_html($diff{'file'})) .
-			      "</td>\n" .
-			      "<td>$mode_chng</td>\n" .
-			      "<td class=\"link\">" .
-			      $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
-			                             hash_base=>$parent, file_name=>$diff{'file'})},
-			              "blob") .
-			      " | ";
+			               -class => "list"}, esc_html($diff{'file'}));
+			print "</td>\n";
+			print "<td>$mode_chng</td>\n";
+			print "<td class=\"link\">";
 			if ($action eq 'commitdiff') {
 				# link to patch
 				$patchno++;
-				print " | " .
-				      $cgi->a({-href => "#patch$patchno"}, "patch");
+				print $cgi->a({-href => "#patch$patchno"}, "patch");
+				print " | ";
 			}
+			print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
+			                             hash_base=>$parent, file_name=>$diff{'file'})},
+				      "blob") . " | ";
+			print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
+			                             file_name=>$diff{'file'})},
+			              "blame") . " | ";
 			print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
 			                             file_name=>$diff{'file'})},
-			              "history") .
-			      "</td>\n";
+			              "history");
+			print "</td>\n";
 
 		} elsif ($diff{'status'} eq "M" || $diff{'status'} eq "T") { # modified, or type changed
 			my $mode_chnge = "";
@@ -1641,42 +1947,35 @@ sub git_difftree_body {
 				$mode_chnge .= "]</span>\n";
 			}
 			print "<td>";
-			if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
-				print $cgi->a({-href => href(action=>"blobdiff",
-				                             hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
-				                             hash_base=>$hash, hash_parent_base=>$parent,
-				                             file_name=>$diff{'file'}),
-				              -class => "list"}, esc_html($diff{'file'}));
-			} else { # only mode changed
-				print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
-				                             hash_base=>$hash, file_name=>$diff{'file'}),
-				              -class => "list"}, esc_html($diff{'file'}));
-			}
-			print "</td>\n" .
-			      "<td>$mode_chnge</td>\n" .
-			      "<td class=\"link\">" .
-			      $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
-			                             hash_base=>$hash, file_name=>$diff{'file'})},
-			              "blob");
+			print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
+			                             hash_base=>$hash, file_name=>$diff{'file'}),
+			              -class => "list"}, esc_html($diff{'file'}));
+			print "</td>\n";
+			print "<td>$mode_chnge</td>\n";
+			print "<td class=\"link\">";
 			if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
 				if ($action eq 'commitdiff') {
 					# link to patch
 					$patchno++;
-					print " | " .
-						$cgi->a({-href => "#patch$patchno"}, "patch");
+					print $cgi->a({-href => "#patch$patchno"}, "patch");
 				} else {
-					print " | " .
-						$cgi->a({-href => href(action=>"blobdiff",
-						                       hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
-						                       hash_base=>$hash, hash_parent_base=>$parent,
-						                       file_name=>$diff{'file'})},
-						        "diff");
+					print $cgi->a({-href => href(action=>"blobdiff",
+					                             hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
+					                             hash_base=>$hash, hash_parent_base=>$parent,
+					                             file_name=>$diff{'file'})},
+					              "diff");
 				}
+				print " | ";
 			}
-			print " | " .
-				$cgi->a({-href => href(action=>"history",
-				                       hash_base=>$hash, file_name=>$diff{'file'})},
-				        "history");
+			print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
+						     hash_base=>$hash, file_name=>$diff{'file'})},
+				      "blob") . " | ";
+			print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
+			                             file_name=>$diff{'file'})},
+			              "blame") . " | ";
+			print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
+			                             file_name=>$diff{'file'})},
+			              "history");
 			print "</td>\n";
 
 		} elsif ($diff{'status'} eq "R" || $diff{'status'} eq "C") { # renamed or copied
@@ -1696,25 +1995,30 @@ sub git_difftree_body {
 			                             hash=>$diff{'from_id'}, file_name=>$diff{'from_file'}),
 			              -class => "list"}, esc_html($diff{'from_file'})) .
 			      " with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
-			      "<td class=\"link\">" .
-			      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
-			                             hash=>$diff{'to_id'}, file_name=>$diff{'to_file'})},
-			              "blob");
+			      "<td class=\"link\">";
 			if ($diff{'to_id'} ne $diff{'from_id'}) {
 				if ($action eq 'commitdiff') {
 					# link to patch
 					$patchno++;
-					print " | " .
-						$cgi->a({-href => "#patch$patchno"}, "patch");
+					print $cgi->a({-href => "#patch$patchno"}, "patch");
 				} else {
-					print " | " .
-						$cgi->a({-href => href(action=>"blobdiff",
-						                       hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
-						                       hash_base=>$hash, hash_parent_base=>$parent,
-						                       file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
-						        "diff");
+					print $cgi->a({-href => href(action=>"blobdiff",
+					                             hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
+					                             hash_base=>$hash, hash_parent_base=>$parent,
+					                             file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
+					              "diff");
 				}
+				print " | ";
 			}
+			print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
+						     hash_base=>$parent, file_name=>$diff{'from_file'})},
+				      "blob") . " | ";
+			print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
+			                             file_name=>$diff{'from_file'})},
+			              "blame") . " | ";
+			print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
+			                            file_name=>$diff{'from_file'})},
+			              "history");
 			print "</td>\n";
 
 		} # we should not encounter Unmerged (U) or Unknown (X) status
@@ -1766,14 +2070,14 @@ sub git_patchset_body {
 				print "<div class=\"diff_info\">" . file_type($diffinfo->{'to_mode'}) . ":" .
 				      $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
 				                             hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
-				              $diffinfo->{'to_id'}) . "(new)" .
+				              $diffinfo->{'to_id'}) . " (new)" .
 				      "</div>\n"; # class="diff_info"
 
 			} elsif ($diffinfo->{'status'} eq "D") { # deleted
 				print "<div class=\"diff_info\">" . file_type($diffinfo->{'from_mode'}) . ":" .
 				      $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
 				                             hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
-				              $diffinfo->{'from_id'}) . "(deleted)" .
+				              $diffinfo->{'from_id'}) . " (deleted)" .
 				      "</div>\n"; # class="diff_info"
 
 			} elsif ($diffinfo->{'status'} eq "R" || # renamed
@@ -1852,14 +2156,11 @@ sub git_shortlog_body {
 	# uses global variable $project
 	my ($revlist, $from, $to, $refs, $extra) = @_;
 
-	my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
-	my $have_snapshot = (defined $ctype && defined $suffix);
-
 	$from = 0 unless defined $from;
 	$to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
 
 	print "<table class=\"shortlog\" cellspacing=\"0\">\n";
-	my $alternate = 0;
+	my $alternate = 1;
 	for (my $i = $from; $i <= $to; $i++) {
 		my $commit = $revlist->[$i];
 		#my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
@@ -1880,9 +2181,10 @@ sub git_shortlog_body {
 		print "</td>\n" .
 		      "<td class=\"link\">" .
 		      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
-		      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
-		if ($have_snapshot) {
-			print " | " .  $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
+		      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
+		      $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree");
+		if (gitweb_have_snapshot()) {
+			print " | " . $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
 		}
 		print "</td>\n" .
 		      "</tr>\n";
@@ -1897,12 +2199,15 @@ sub git_shortlog_body {
 
 sub git_history_body {
 	# Warning: assumes constant type (blob or tree) during history
-	my ($fd, $refs, $hash_base, $ftype, $extra) = @_;
+	my ($revlist, $from, $to, $refs, $hash_base, $ftype, $extra) = @_;
+
+	$from = 0 unless defined $from;
+	$to = $#{$revlist} unless (defined $to && $to <= $#{$revlist});
 
 	print "<table class=\"history\" cellspacing=\"0\">\n";
-	my $alternate = 0;
-	while (my $line = <$fd>) {
-		if ($line !~ m/^([0-9a-fA-F]{40})/) {
+	my $alternate = 1;
+	for (my $i = $from; $i <= $to; $i++) {
+		if ($revlist->[$i] !~ m/^([0-9a-fA-F]{40})/) {
 			next;
 		}
 
@@ -1929,9 +2234,8 @@ sub git_history_body {
 		                          href(action=>"commit", hash=>$commit), $ref);
 		print "</td>\n" .
 		      "<td class=\"link\">" .
-		      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .
-		      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
-		      $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype);
+		      $cgi->a({-href => href(action=>$ftype, hash_base=>$commit, file_name=>$file_name)}, $ftype) . " | " .
+		      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff");
 
 		if ($ftype eq 'blob') {
 			my $blob_current = git_get_hash_by_path($hash_base, $file_name);
@@ -1964,7 +2268,7 @@ sub git_tags_body {
 	$to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
 
 	print "<table class=\"tags\" cellspacing=\"0\">\n";
-	my $alternate = 0;
+	my $alternate = 1;
 	for (my $i = $from; $i <= $to; $i++) {
 		my $entry = $taglist->[$i];
 		my %tag = %$entry;
@@ -2019,14 +2323,14 @@ sub git_tags_body {
 
 sub git_heads_body {
 	# uses global variable $project
-	my ($taglist, $head, $from, $to, $extra) = @_;
+	my ($headlist, $head, $from, $to, $extra) = @_;
 	$from = 0 unless defined $from;
-	$to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
+	$to = $#{$headlist} if (!defined $to || $#{$headlist} < $to);
 
 	print "<table class=\"heads\" cellspacing=\"0\">\n";
-	my $alternate = 0;
+	my $alternate = 1;
 	for (my $i = $from; $i <= $to; $i++) {
-		my $entry = $taglist->[$i];
+		my $entry = $headlist->[$i];
 		my %tag = %$entry;
 		my $curr = $tag{'id'} eq $head;
 		if ($alternate) {
@@ -2042,7 +2346,8 @@ sub git_heads_body {
 		      "</td>\n" .
 		      "<td class=\"link\">" .
 		      $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") . " | " .
-		      $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log") .
+		      $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log") . " | " .
+		      $cgi->a({-href => href(action=>"tree", hash=>$tag{'name'}, hash_base=>$tag{'name'})}, "tree") .
 		      "</td>\n" .
 		      "</tr>";
 	}
@@ -2070,16 +2375,11 @@ sub git_project_list {
 		die_error(undef, "No projects found");
 	}
 	foreach my $pr (@list) {
-		my $head = git_get_head_hash($pr->{'path'});
-		if (!defined $head) {
-			next;
-		}
-		$git_dir = "$projectroot/$pr->{'path'}";
-		my %co = parse_commit($head);
-		if (!%co) {
+		my (@aa) = git_get_last_activity($pr->{'path'});
+		unless (@aa) {
 			next;
 		}
-		$pr->{'commit'} = \%co;
+		($pr->{'age'}, $pr->{'age_string'}) = @aa;
 		if (!defined $pr->{'descr'}) {
 			my $descr = git_get_project_description($pr->{'path'}) || "";
 			$pr->{'descr'} = chop_str($descr, 25, 5);
@@ -2106,7 +2406,7 @@ sub git_project_list {
 		print "<th>Project</th>\n";
 	} else {
 		print "<th>" .
-		      $cgi->a({-href => "$my_uri?" . esc_param("o=project"),
+		      $cgi->a({-href => href(project=>undef, order=>'project'),
 		               -class => "header"}, "Project") .
 		      "</th>\n";
 	}
@@ -2115,7 +2415,7 @@ sub git_project_list {
 		print "<th>Description</th>\n";
 	} else {
 		print "<th>" .
-		      $cgi->a({-href => "$my_uri?" . esc_param("o=descr"),
+		      $cgi->a({-href => href(project=>undef, order=>'descr'),
 		               -class => "header"}, "Description") .
 		      "</th>\n";
 	}
@@ -2124,22 +2424,22 @@ sub git_project_list {
 		print "<th>Owner</th>\n";
 	} else {
 		print "<th>" .
-		      $cgi->a({-href => "$my_uri?" . esc_param("o=owner"),
+		      $cgi->a({-href => href(project=>undef, order=>'owner'),
 		               -class => "header"}, "Owner") .
 		      "</th>\n";
 	}
 	if ($order eq "age") {
-		@projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
+		@projects = sort {$a->{'age'} <=> $b->{'age'}} @projects;
 		print "<th>Last Change</th>\n";
 	} else {
 		print "<th>" .
-		      $cgi->a({-href => "$my_uri?" . esc_param("o=age"),
+		      $cgi->a({-href => href(project=>undef, order=>'age'),
 		               -class => "header"}, "Last Change") .
 		      "</th>\n";
 	}
 	print "<th></th>\n" .
 	      "</tr>\n";
-	my $alternate = 0;
+	my $alternate = 1;
 	foreach my $pr (@projects) {
 		if ($alternate) {
 			print "<tr class=\"dark\">\n";
@@ -2151,12 +2451,13 @@ sub git_project_list {
 		                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
 		      "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
 		      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
-		print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" .
-		      $pr->{'commit'}{'age_string'} . "</td>\n" .
+		print "<td class=\"". age_class($pr->{'age'}) . "\">" .
+		      $pr->{'age_string'} . "</td>\n" .
 		      "<td class=\"link\">" .
 		      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
 		      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
-		      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") .
+		      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " .
+		      $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") .
 		      "</td>\n" .
 		      "</tr>\n";
 	}
@@ -2164,6 +2465,30 @@ sub git_project_list {
 	git_footer_html();
 }
 
+sub git_project_index {
+	my @projects = git_get_projects_list();
+
+	print $cgi->header(
+		-type => 'text/plain',
+		-charset => 'utf-8',
+		-content_disposition => 'inline; filename="index.aux"');
+
+	foreach my $pr (@projects) {
+		if (!exists $pr->{'owner'}) {
+			$pr->{'owner'} = get_file_owner("$projectroot/$project");
+		}
+
+		my ($path, $owner) = ($pr->{'path'}, $pr->{'owner'});
+		# quote as in CGI::Util::encode, but keep the slash, and use '+' for ' '
+		$path  =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
+		$owner =~ s/([^a-zA-Z0-9_.\-\/ ])/sprintf("%%%02X", ord($1))/eg;
+		$path  =~ s/ /\+/g;
+		$owner =~ s/ /\+/g;
+
+		print "$path $owner\n";
+	}
+}
+
 sub git_summary {
 	my $descr = git_get_project_description($project) || "none";
 	my $head = git_get_head_hash($project);
@@ -2172,7 +2497,19 @@ sub git_summary {
 
 	my $owner = git_get_project_owner($project);
 
-	my $refs = git_get_references();
+	my ($reflist, $refs) = git_get_refs_list();
+
+	my @taglist;
+	my @headlist;
+	foreach my $ref (@$reflist) {
+		if ($ref->{'name'} =~ s!^heads/!!) {
+			push @headlist, $ref;
+		} else {
+			$ref->{'name'} =~ s!^tags/!!;
+			push @taglist, $ref;
+		}
+	}
+
 	git_header_html();
 	git_print_page_nav('summary','', $head);
 
@@ -2202,17 +2539,15 @@ sub git_summary {
 	git_shortlog_body(\@revlist, 0, 15, $refs,
 	                  $cgi->a({-href => href(action=>"shortlog")}, "..."));
 
-	my $taglist = git_get_refs_list("refs/tags");
-	if (defined @$taglist) {
+	if (@taglist) {
 		git_print_header_div('tags');
-		git_tags_body($taglist, 0, 15,
+		git_tags_body(\@taglist, 0, 15,
 		              $cgi->a({-href => href(action=>"tags")}, "..."));
 	}
 
-	my $headlist = git_get_refs_list("refs/heads");
-	if (defined @$headlist) {
+	if (@headlist) {
 		git_print_header_div('heads');
-		git_heads_body($headlist, $head, 0, 15,
+		git_heads_body(\@headlist, $head, 0, 15,
 		               $cgi->a({-href => href(action=>"heads")}, "..."));
 	}
 
@@ -2273,15 +2608,19 @@ sub git_blame2 {
 	if ($ftype !~ "blob") {
 		die_error("400 Bad Request", "Object is not a blob");
 	}
-	open ($fd, "-|", git_cmd(), "blame", '-l', $file_name, $hash_base)
+	open ($fd, "-|", git_cmd(), "blame", '-p', '--',
+	      $file_name, $hash_base)
 		or die_error(undef, "Open git-blame failed");
 	git_header_html();
 	my $formats_nav =
 		$cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
 		        "blob") .
 		" | " .
+		$cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
+			"history") .
+		" | " .
 		$cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
-		        "head");
+		        "HEAD");
 	git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
 	git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
 	git_print_page_path($file_name, $ftype, $hash_base);
@@ -2294,25 +2633,52 @@ sub git_blame2 {
 <table class="blame">
 <tr><th>Commit</th><th>Line</th><th>Data</th></tr>
 HTML
-	while (<$fd>) {
-		/^([0-9a-fA-F]{40}).*?(\d+)\)\s{1}(\s*.*)/;
-		my $full_rev = $1;
+	my %metainfo = ();
+	while (1) {
+		$_ = <$fd>;
+		last unless defined $_;
+		my ($full_rev, $orig_lineno, $lineno, $group_size) =
+		    /^([0-9a-f]{40}) (\d+) (\d+)(?: (\d+))?$/;
+		if (!exists $metainfo{$full_rev}) {
+			$metainfo{$full_rev} = {};
+		}
+		my $meta = $metainfo{$full_rev};
+		while (<$fd>) {
+			last if (s/^\t//);
+			if (/^(\S+) (.*)$/) {
+				$meta->{$1} = $2;
+			}
+		}
+		my $data = $_;
 		my $rev = substr($full_rev, 0, 8);
-		my $lineno = $2;
-		my $data = $3;
-
-		if (!defined $last_rev) {
-			$last_rev = $full_rev;
-		} elsif ($last_rev ne $full_rev) {
-			$last_rev = $full_rev;
+		my $author = $meta->{'author'};
+		my %date = parse_date($meta->{'author-time'},
+				      $meta->{'author-tz'});
+		my $date = $date{'iso-tz'};
+		if ($group_size) {
 			$current_color = ++$current_color % $num_colors;
 		}
 		print "<tr class=\"$rev_color[$current_color]\">\n";
-		print "<td class=\"sha1\">" .
-			$cgi->a({-href => href(action=>"commit", hash=>$full_rev, file_name=>$file_name)},
-			        esc_html($rev)) . "</td>\n";
-		print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" .
-		      esc_html($lineno) . "</a></td>\n";
+		if ($group_size) {
+			print "<td class=\"sha1\"";
+			print " title=\"$author, $date\"";
+			print " rowspan=\"$group_size\"" if ($group_size > 1);
+			print ">";
+			print $cgi->a({-href => href(action=>"commit",
+						     hash=>$full_rev,
+						     file_name=>$file_name)},
+				      esc_html($rev));
+			print "</td>\n";
+		}
+		my $blamed = href(action => 'blame',
+				  file_name => $meta->{'filename'},
+				  hash_base => $full_rev);
+		print "<td class=\"linenr\">";
+		print $cgi->a({ -href => "$blamed#l$orig_lineno",
+				-id => "l$lineno",
+				-class => "linenr" },
+			      esc_html($lineno));
+		print "</td>";
 		print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
 		print "</tr>\n";
 	}
@@ -2346,8 +2712,11 @@ sub git_blame {
 		$cgi->a({-href => href(action=>"blob", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
 		        "blob") .
 		" | " .
+		$cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base, file_name=>$file_name)},
+			"history") .
+		" | " .
 		$cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
-		        "head");
+		        "HEAD");
 	git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
 	git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
 	git_print_page_path($file_name, 'blob', $hash_base);
@@ -2423,8 +2792,8 @@ sub git_tags {
 	git_print_page_nav('','', $head,undef,$head);
 	git_print_header_div('summary', $project);
 
-	my $taglist = git_get_refs_list("refs/tags");
-	if (defined @$taglist) {
+	my ($taglist) = git_get_refs_list("tags");
+	if (@$taglist) {
 		git_tags_body($taglist);
 	}
 	git_footer_html();
@@ -2436,19 +2805,15 @@ sub git_heads {
 	git_print_page_nav('','', $head,undef,$head);
 	git_print_header_div('summary', $project);
 
-	my $taglist = git_get_refs_list("refs/heads");
-	if (defined @$taglist) {
-		git_heads_body($taglist, $head);
+	my ($headlist) = git_get_refs_list("heads");
+	if (@$headlist) {
+		git_heads_body($headlist, $head);
 	}
 	git_footer_html();
 }
 
 sub git_blob_plain {
-	# blobs defined by non-textual hash id's can be cached
 	my $expires;
-	if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
-		$expires = "+1d";
-	}
 
 	if (!defined $hash) {
 		if (defined $file_name) {
@@ -2458,7 +2823,11 @@ sub git_blob_plain {
 		} else {
 			die_error(undef, "No file name defined");
 		}
+	} elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) {
+		# blobs defined by non-textual hash id's can be cached
+		$expires = "+1d";
 	}
+
 	my $type = shift;
 	open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
 		or die_error(undef, "Couldn't cat $file_name, $hash");
@@ -2476,7 +2845,7 @@ sub git_blob_plain {
 	print $cgi->header(
 		-type => "$type",
 		-expires=>$expires,
-		-content_disposition => "inline; filename=\"$save_as\"");
+		-content_disposition => 'inline; filename="' . "$save_as" . '"');
 	undef $/;
 	binmode STDOUT, ':raw';
 	print <$fd>;
@@ -2486,11 +2855,7 @@ sub git_blob_plain {
 }
 
 sub git_blob {
-	# blobs defined by non-textual hash id's can be cached
 	my $expires;
-	if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
-		$expires = "+1d";
-	}
 
 	if (!defined $hash) {
 		if (defined $file_name) {
@@ -2500,7 +2865,11 @@ sub git_blob {
 		} else {
 			die_error(undef, "No file name defined");
 		}
+	} elsif ($hash =~ m/^[0-9a-fA-F]{40}$/) {
+		# blobs defined by non-textual hash id's can be cached
+		$expires = "+1d";
 	}
+
 	my ($have_blame) = gitweb_check_feature('blame');
 	open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
 		or die_error(undef, "Couldn't cat $file_name, $hash");
@@ -2521,16 +2890,20 @@ sub git_blob {
 					" | ";
 			}
 			$formats_nav .=
+				$cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
+				                       hash=>$hash, file_name=>$file_name)},
+				        "history") .
+				" | " .
 				$cgi->a({-href => href(action=>"blob_plain",
 				                       hash=>$hash, file_name=>$file_name)},
-				        "plain") .
+				        "raw") .
 				" | " .
 				$cgi->a({-href => href(action=>"blob",
 				                       hash_base=>"HEAD", file_name=>$file_name)},
-				        "head");
+				        "HEAD");
 		} else {
 			$formats_nav .=
-				$cgi->a({-href => href(action=>"blob_plain", hash=>$hash)}, "plain");
+				$cgi->a({-href => href(action=>"blob_plain", hash=>$hash)}, "raw");
 		}
 		git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
 		git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
@@ -2556,14 +2929,16 @@ sub git_blob {
 }
 
 sub git_tree {
+	my $have_snapshot = gitweb_have_snapshot();
+
+	if (!defined $hash_base) {
+		$hash_base = "HEAD";
+	}
 	if (!defined $hash) {
-		$hash = git_get_head_hash($project);
 		if (defined $file_name) {
-			my $base = $hash_base || $hash;
-			$hash = git_get_hash_by_path($base, $file_name, "tree");
-		}
-		if (!defined $hash_base) {
-			$hash_base = $hash;
+			$hash = git_get_hash_by_path($hash_base, $file_name, "tree");
+		} else {
+			$hash = $hash_base;
 		}
 	}
 	$/ = "\0";
@@ -2576,10 +2951,26 @@ sub git_tree {
 	my $refs = git_get_references();
 	my $ref = format_ref_marker($refs, $hash_base);
 	git_header_html();
-	my $base = "";
+	my $basedir = '';
 	my ($have_blame) = gitweb_check_feature('blame');
 	if (defined $hash_base && (my %co = parse_commit($hash_base))) {
-		git_print_page_nav('tree','', $hash_base);
+		my @views_nav = ();
+		if (defined $file_name) {
+			push @views_nav,
+				$cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
+				                       hash=>$hash, file_name=>$file_name)},
+				        "history"),
+				$cgi->a({-href => href(action=>"tree",
+				                       hash_base=>"HEAD", file_name=>$file_name)},
+				        "HEAD"),
+		}
+		if ($have_snapshot) {
+			# FIXME: Should be available when we have no hash base as well.
+			push @views_nav,
+				$cgi->a({-href => href(action=>"snapshot", hash=>$hash)},
+				        "snapshot");
+		}
+		git_print_page_nav('tree','', $hash_base, undef, undef, join(' | ', @views_nav));
 		git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
 	} else {
 		undef $hash_base;
@@ -2588,12 +2979,39 @@ sub git_tree {
 		print "<div class=\"title\">$hash</div>\n";
 	}
 	if (defined $file_name) {
-		$base = esc_html("$file_name/");
+		$basedir = $file_name;
+		if ($basedir ne '' && substr($basedir, -1) ne '/') {
+			$basedir .= '/';
+		}
 	}
 	git_print_page_path($file_name, 'tree', $hash_base);
 	print "<div class=\"page_body\">\n";
 	print "<table cellspacing=\"0\">\n";
-	my $alternate = 0;
+	my $alternate = 1;
+	# '..' (top directory) link if possible
+	if (defined $hash_base &&
+	    defined $file_name && $file_name =~ m![^/]+$!) {
+		if ($alternate) {
+			print "<tr class=\"dark\">\n";
+		} else {
+			print "<tr class=\"light\">\n";
+		}
+		$alternate ^= 1;
+
+		my $up = $file_name;
+		$up =~ s!/?[^/]+$!!;
+		undef $up unless $up;
+		# based on git_print_tree_entry
+		print '<td class="mode">' . mode_str('040000') . "</td>\n";
+		print '<td class="list">';
+		print $cgi->a({-href => href(action=>"tree", hash_base=>$hash_base,
+		                             file_name=>$up)},
+		              "..");
+		print "</td>\n";
+		print "<td class=\"link\"></td>\n";
+
+		print "</tr>\n";
+	}
 	foreach my $line (@entries) {
 		my %t = parse_ls_tree_line($line, -z => 1);
 
@@ -2604,7 +3022,7 @@ sub git_tree {
 		}
 		$alternate ^= 1;
 
-		git_print_tree_entry(\%t, $base, $hash_base, $have_blame);
+		git_print_tree_entry(\%t, $basedir, $hash_base, $have_blame);
 
 		print "</tr>\n";
 	}
@@ -2614,7 +3032,6 @@ sub git_tree {
 }
 
 sub git_snapshot {
-
 	my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
 	my $have_snapshot = (defined $ctype && defined $suffix);
 	if (!$have_snapshot) {
@@ -2627,14 +3044,18 @@ sub git_snapshot {
 
 	my $filename = basename($project) . "-$hash.tar.$suffix";
 
-	print $cgi->header(-type => 'application/x-tar',
-	                   -content_encoding => $ctype,
-	                   -content_disposition => "inline; filename=\"$filename\"",
-	                   -status => '200 OK');
-
-	my $git_command = git_cmd_str();
-	open my $fd, "-|", "$git_command tar-tree $hash \'$project\' | $command" or
-		die_error(undef, "Execute git-tar-tree failed.");
+	print $cgi->header(
+		-type => 'application/x-tar',
+		-content_encoding => $ctype,
+		-content_disposition => 'inline; filename="' . "$filename" . '"',
+		-status => '200 OK');
+
+	my $git = git_cmd_str();
+	my $name = $project;
+	$name =~ s/\047/\047\\\047\047/g;
+	open my $fd, "-|",
+	"$git archive --format=tar --prefix=\'$name\'/ $hash | $command"
+		or die_error(undef, "Execute git-tar-tree failed.");
 	binmode STDOUT, ':raw';
 	print <$fd>;
 	binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
@@ -2684,6 +3105,8 @@ sub git_log {
 		      $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") .
 		      " | " .
 		      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") .
+		      " | " .
+		      $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") .
 		      "<br/>\n" .
 		      "</div>\n" .
 		      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
@@ -2721,20 +3144,18 @@ sub git_commit {
 	my $refs = git_get_references();
 	my $ref = format_ref_marker($refs, $co{'id'});
 
-	my ($ctype, $suffix, $command) = gitweb_check_feature('snapshot');
-	my $have_snapshot = (defined $ctype && defined $suffix);
+	my $have_snapshot = gitweb_have_snapshot();
 
-	my $formats_nav = '';
+	my @views_nav = ();
 	if (defined $file_name && defined $co{'parent'}) {
-		my $parent = $co{'parent'};
-		$formats_nav .=
+		push @views_nav,
 			$cgi->a({-href => href(action=>"blame", hash_parent=>$parent, file_name=>$file_name)},
 			        "blame");
 	}
 	git_header_html(undef, $expires);
-	git_print_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
+	git_print_page_nav('commit', '',
 	                   $hash, $co{'tree'}, $hash,
-	                   $formats_nav);
+	                   join (' | ', @views_nav));
 
 	if (defined $co{'parent'}) {
 		git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
@@ -2913,7 +3334,7 @@ sub git_blobdiff {
 			                       hash=>$hash, hash_parent=>$hash_parent,
 			                       hash_base=>$hash_base, hash_parent_base=>$hash_parent_base,
 			                       file_name=>$file_name, file_parent=>$file_parent)},
-			        "plain");
+			        "raw");
 		git_header_html(undef, $expires);
 		if (defined $hash_base && (my %co = parse_commit($hash_base))) {
 			git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
@@ -2933,7 +3354,7 @@ sub git_blobdiff {
 			-type => 'text/plain',
 			-charset => 'utf-8',
 			-expires => $expires,
-			-content_disposition => qq(inline; filename="${file_name}.patch"));
+			-content_disposition => 'inline; filename="' . "$file_name" . '.patch"');
 
 		print "X-Git-Url: " . $cgi->self_url() . "\n\n";
 
@@ -2953,8 +3374,8 @@ sub git_blobdiff {
 
 	} else {
 		while (my $line = <$fd>) {
-			$line =~ s!a/($hash|$hash_parent)!a/$diffinfo{'from_file'}!g;
-			$line =~ s!b/($hash|$hash_parent)!b/$diffinfo{'to_file'}!g;
+			$line =~ s!a/($hash|$hash_parent)!'a/'.esc_html($diffinfo{'from_file'})!eg;
+			$line =~ s!b/($hash|$hash_parent)!'b/'.esc_html($diffinfo{'to_file'})!eg;
 
 			print $line;
 
@@ -3016,7 +3437,7 @@ sub git_commitdiff {
 		my $formats_nav =
 			$cgi->a({-href => href(action=>"commitdiff_plain",
 			                       hash=>$hash, hash_parent=>$hash_parent)},
-			        "plain");
+			        "raw");
 
 		git_header_html(undef, $expires);
 		git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
@@ -3036,7 +3457,7 @@ sub git_commitdiff {
 			-type => 'text/plain',
 			-charset => 'utf-8',
 			-expires => $expires,
-			-content_disposition => qq(inline; filename="$filename"));
+			-content_disposition => 'inline; filename="' . "$filename" . '"');
 		my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
 		print <<TEXT;
 From: $co{'author'}
@@ -3078,29 +3499,70 @@ sub git_history {
 	if (!defined $hash_base) {
 		$hash_base = git_get_head_hash($project);
 	}
+	if (!defined $page) {
+		$page = 0;
+	}
 	my $ftype;
 	my %co = parse_commit($hash_base);
 	if (!%co) {
 		die_error(undef, "Unknown commit object");
 	}
+
 	my $refs = git_get_references();
-	git_header_html();
-	git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base);
-	git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
+	my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
+
 	if (!defined $hash && defined $file_name) {
 		$hash = git_get_hash_by_path($hash_base, $file_name);
 	}
 	if (defined $hash) {
 		$ftype = git_get_type($hash);
 	}
-	git_print_page_path($file_name, $ftype, $hash_base);
 
 	open my $fd, "-|",
-		git_cmd(), "rev-list", "--full-history", $hash_base, "--", $file_name;
+		git_cmd(), "rev-list", $limit, "--full-history", $hash_base, "--", $file_name
+			or die_error(undef, "Open git-rev-list-failed");
+	my @revlist = map { chomp; $_ } <$fd>;
+	close $fd
+		or die_error(undef, "Reading git-rev-list failed");
+
+	my $paging_nav = '';
+	if ($page > 0) {
+		$paging_nav .=
+			$cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
+			                       file_name=>$file_name)},
+			        "first");
+		$paging_nav .= " &sdot; " .
+			$cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
+			                       file_name=>$file_name, page=>$page-1),
+			         -accesskey => "p", -title => "Alt-p"}, "prev");
+	} else {
+		$paging_nav .= "first";
+		$paging_nav .= " &sdot; prev";
+	}
+	if ($#revlist >= (100 * ($page+1)-1)) {
+		$paging_nav .= " &sdot; " .
+			$cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
+			                       file_name=>$file_name, page=>$page+1),
+			         -accesskey => "n", -title => "Alt-n"}, "next");
+	} else {
+		$paging_nav .= " &sdot; next";
+	}
+	my $next_link = '';
+	if ($#revlist >= (100 * ($page+1)-1)) {
+		$next_link =
+			$cgi->a({-href => href(action=>"history", hash=>$hash, hash_base=>$hash_base,
+			                       file_name=>$file_name, page=>$page+1),
+			         -title => "Alt-n"}, "next");
+	}
 
-	git_history_body($fd, $refs, $hash_base, $ftype);
+	git_header_html();
+	git_print_page_nav('history','', $hash_base,$co{'tree'},$hash_base, $paging_nav);
+	git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
+	git_print_page_path($file_name, $ftype, $hash_base);
+
+	git_history_body(\@revlist, ($page * 100), $#revlist,
+	                 $refs, $hash_base, $ftype, $next_link);
 
-	close $fd;
 	git_footer_html();
 }
 
@@ -3115,37 +3577,34 @@ sub git_search {
 	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;
+
+	$searchtype ||= 'commit';
+	if ($searchtype eq 'pickaxe') {
+		# 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 ($have_pickaxe) = gitweb_check_feature('pickaxe');
+		if (!$have_pickaxe) {
+			die_error('403 Permission denied', "Permission denied");
+		}
 	}
+
 	git_header_html();
 	git_print_page_nav('','', $hash,$co{'tree'},$hash);
 	git_print_header_div('commit', esc_html($co{'title'}), $hash);
 
 	print "<table cellspacing=\"0\">\n";
-	my $alternate = 0;
-	if ($commit_search) {
+	my $alternate = 1;
+	if ($searchtype eq 'commit' or $searchtype eq 'author' or $searchtype eq 'committer') {
 		$/ = "\0";
 		open my $fd, "-|", git_cmd(), "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, $commit_text) {
+			if ($searchtype eq 'author' && !grep m/\nauthor .*$searchtext/i, $commit_text) {
 				next;
 			}
-			if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
+			if ($searchtype eq 'committer' && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
 				next;
 			}
 			my @commit_lines = split "\n", $commit_text;
@@ -3187,7 +3646,7 @@ sub git_search {
 		close $fd;
 	}
 
-	if ($pickaxe_search) {
+	if ($searchtype eq 'pickaxe') {
 		$/ = "\n";
 		my $git_command = git_cmd_str();
 		open my $fd, "-|", "$git_command rev-list $hash | " .
@@ -3247,6 +3706,31 @@ sub git_search {
 	git_footer_html();
 }
 
+sub git_search_help {
+	git_header_html();
+	git_print_page_nav('','', $hash,$hash,$hash);
+	print <<EOT;
+<dl>
+<dt><b>commit</b></dt>
+<dd>The commit messages and authorship information will be scanned for the given string.</dd>
+<dt><b>author</b></dt>
+<dd>Name and e-mail of the change author and date of birth of the patch will be scanned for the given string.</dd>
+<dt><b>committer</b></dt>
+<dd>Name and e-mail of the committer and date of commit will be scanned for the given string.</dd>
+EOT
+	my ($have_pickaxe) = gitweb_check_feature('pickaxe');
+	if ($have_pickaxe) {
+		print <<EOT;
+<dt><b>pickaxe</b></dt>
+<dd>All commits that caused the string to appear or disappear from any file (changes that
+added, removed or "modified" the string) will be listed. This search can take a while and
+takes a lot of strain on the server, so please use it wisely.</dd>
+EOT
+	}
+	print "</dl>\n";
+	git_footer_html();
+}
+
 sub git_shortlog {
 	my $head = git_get_head_hash($project);
 	if (!defined $hash) {
@@ -3328,7 +3812,7 @@ XML
 		      "<![CDATA[\n";
 		my $comment = $co{'comment'};
 		foreach my $line (@$comment) {
-			$line = decode("utf8", $line, Encode::FB_DEFAULT);
+			$line = to_utf8($line);
 			print "$line<br/>\n";
 		}
 		print "<br/>\n";
@@ -3336,8 +3820,8 @@ XML
 			if (!($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);
+			my $file = esc_html(unquote($7));
+			$file = to_utf8($file);
 			print "$file<br/>\n";
 		}
 		print "]]>\n" .