ASR_BASE

Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/scripts/feeds b/scripts/feeds
new file mode 100755
index 0000000..959995c
--- /dev/null
+++ b/scripts/feeds
@@ -0,0 +1,962 @@
+#!/usr/bin/env perl
+use Getopt::Std;
+use FindBin;
+use Cwd;
+use lib "$FindBin::Bin";
+use metadata;
+use warnings;
+use strict;
+use Cwd 'abs_path';
+
+chdir "$FindBin::Bin/..";
+$ENV{TOPDIR} //= getcwd();
+chdir $ENV{TOPDIR};
+$ENV{GIT_CONFIG_PARAMETERS}="'core.autocrlf=false'";
+$ENV{GREP_OPTIONS}="";
+
+my $mk=`command -v gmake 2>/dev/null`;	# select the right 'make' program
+chomp($mk);		# trim trailing newline
+$mk or $mk = "make";	# default to 'make'
+
+# check version of make
+my @mkver = split /\s+/, `$mk -v`, 4;
+my $valid_mk = 1;
+$mkver[0] =~ /^GNU/ or $valid_mk = 0;
+$mkver[1] =~ /^Make/ or $valid_mk = 0;
+
+my ($mkv1, $mkv2) = split /\./, $mkver[2];
+($mkv1 >= 4 || ($mkv1 == 3 && $mkv2 >= 81)) or $valid_mk = 0;
+
+$valid_mk or die "Unsupported version of make found: $mk\n";
+
+my @feeds;
+my %build_packages;
+my %installed;
+my %installed_pkg;
+my %installed_targets;
+my %feed_cache;
+
+my $feed_package = {};
+my $feed_src = {};
+my $feed_target = {};
+my $feed_vpackage = {};
+
+sub parse_file($$);
+
+sub parse_file($$) {
+	my ($fname, $existing) = @_;
+	my $line = 0;
+	my $fh;
+
+	open $fh, $fname or return undef;
+	while (<$fh>) {
+		chomp;
+		s/#.+$//;
+		$line++;
+		next unless /\S/;
+
+		my ($type, $flags, $name, $urls) = m!^src-([\w\-]+)((?:\s+--\w+(?:=\S+)?)*)\s+(\w+)(?:\s+(\S.*))?$!;
+		unless ($type && $name) {
+			die "Syntax error in $fname, line $line\n";
+		}
+
+		if ($existing->{$name}++) {
+			die "Duplicate feed name '$name' in '$fname' line: $line\n";
+		}
+
+		my @src = defined($urls) ? split /\s+/, $urls : ();
+		push @src, '' if @src == 0;
+
+		my %flags;
+		if (defined $flags) {
+			while ($flags =~ m!\s+--(\w+)(?:=(\S+))?!g) {
+				$flags{$1} = defined($2) ? $2 : 1;
+			}
+		}
+
+		if ($type eq "include") {
+			parse_file($urls, $existing) or
+			    die "Unable to open included file '$urls'";
+			next;
+		}
+
+		push @feeds, ["src-$type", $name, \@src, \%flags];
+	}
+	close $fh;
+	return 1;
+}
+
+sub parse_config() {
+	my %name;
+	parse_file("feeds.conf", \%name) or
+	    parse_file("feeds.conf.default", \%name)  or
+	    die "Unable to open feeds configuration";
+}
+
+sub update_location($$)
+{
+	my $name = shift;
+	my $url  = shift;
+	my $old_url;
+
+	-d "./feeds/$name.tmp" or mkdir "./feeds/$name.tmp" or return 1;
+
+	if( open LOC, "< ./feeds/$name.tmp/location" )
+	{
+		chomp($old_url = readline LOC);
+		close LOC;
+	}
+
+	if( !$old_url || $old_url ne $url )
+	{
+		if( open LOC, "> ./feeds/$name.tmp/location" )
+		{
+			print LOC $url, "\n";
+			close LOC;
+		}
+		return $old_url ? 1 : 0;
+	}
+
+	return 0;
+}
+
+sub update_index($)
+{
+	my $name = shift;
+
+	-d "./feeds/$name.tmp" or mkdir "./feeds/$name.tmp" or return 1;
+	-d "./feeds/$name.tmp/info" or mkdir "./feeds/$name.tmp/info" or return 1;
+
+	system("$mk -s prepare-mk OPENWRT_BUILD= TMP_DIR=\"$ENV{TOPDIR}/feeds/$name.tmp\"");
+	system("$mk -s -f include/scan.mk IS_TTY=1 SCAN_TARGET=\"packageinfo\" SCAN_DIR=\"feeds/$name\" SCAN_NAME=\"package\" SCAN_DEPTH=5 SCAN_EXTRA=\"\" TMP_DIR=\"$ENV{TOPDIR}/feeds/$name.tmp\"");
+	system("$mk -s -f include/scan.mk IS_TTY=1 SCAN_TARGET=\"targetinfo\" SCAN_DIR=\"feeds/$name\" SCAN_NAME=\"target\" SCAN_DEPTH=5 SCAN_EXTRA=\"\" SCAN_MAKEOPTS=\"TARGET_BUILD=1\" TMP_DIR=\"$ENV{TOPDIR}/feeds/$name.tmp\"");
+	system("ln -sf $name.tmp/.packageinfo ./feeds/$name.index");
+	system("ln -sf $name.tmp/.targetinfo ./feeds/$name.targetindex");
+
+	return 0;
+}
+
+my %update_method = (
+	'src-svn' => {
+		'init'		=> "svn checkout '%s' '%s'",
+		'update'	=> "svn update",
+		'controldir'	=> ".svn",
+		'revision'	=> "svn info | grep 'Revision' | cut -d ' ' -f 2 | tr -d '\n'"},
+	'src-cpy' => {
+		'init'		=> "cp -Rf '%s' '%s'",
+		'update'	=> "",
+		'revision'	=> "echo -n 'local'"},
+	'src-link' => {
+		'init'		=> "ln -s '%s' '%s'",
+		'update'	=> "",
+		'revision'	=> "echo -n 'local'"},
+	'src-dummy' => {
+		'init'		=> "true '%s' && mkdir '%s'",
+		'update'	=> "",
+		'revision'	=> "echo -n 'dummy'"},
+	'src-git' => {
+		'init'          => "git clone --depth 1 '%s' '%s'",
+		'init_branch'   => "git clone --depth 1 --branch '%s' '%s' '%s'",
+		'init_commit'   => "git clone --depth 1 '%s' '%s' && cd '%s' && git fetch --depth=1 origin '%s' && git -c advice.detachedHead=false checkout '%s' && cd -",
+		'update'	=> "git pull --ff-only",
+		'update_rebase'	=> "git pull --rebase=merges",
+		'update_stash'	=> "git pull --rebase=merges --autostash",
+		'update_force'	=> "git pull --ff-only || (git reset --hard HEAD; git pull --ff-only; exit 1)",
+		'post_update'	=> "git submodule update --init --recursive --depth 1",
+		'controldir'	=> ".git",
+		'revision'	=> "git rev-parse HEAD | tr -d '\n'"},
+	'src-git-full' => {
+		'init'          => "git clone '%s' '%s'",
+		'init_branch'   => "git clone --branch '%s' '%s' '%s'",
+		'init_commit'   => "git clone '%s' '%s' && cd '%s' && git checkout -b '%s' '%s' && cd -",
+		'update'	=> "git pull --ff-only",
+		'update_rebase'	=> "git pull --rebase=merges",
+		'update_stash'	=> "git pull --rebase=merges --autostash",
+		'update_force'	=> "git pull --ff-only || (git reset --hard HEAD; git pull --ff-only; exit 1)",
+		'post_update'	=> "git submodule update --init --recursive",
+		'controldir'	=> ".git",
+		'revision'	=> "git rev-parse HEAD | tr -d '\n'"},
+	'src-gitsvn' => {
+		'init'	=> "git svn clone -r HEAD '%s' '%s'",
+		'update'	=> "git svn rebase",
+		'controldir'	=> ".git",
+		'revision'	=> "git rev-parse HEAD | tr -d '\n'"},
+	'src-bzr' => {
+		'init'		=> "bzr checkout --lightweight '%s' '%s'",
+		'update'	=> "bzr update",
+		'controldir'	=> ".bzr"},
+	'src-hg' => {
+		'init'		=> "hg clone '%s' '%s'",
+		'update'	=> "hg pull --update",
+		'controldir'	=> ".hg"},
+	'src-darcs' => {
+		'init'    => "darcs get '%s' '%s'",
+		'update'  => "darcs pull -a",
+		'controldir' => "_darcs"},
+);
+
+# src-git: pull broken
+# src-cpy: broken if `basename $src` != $name
+
+sub update_feed_via($$$$$$$) {
+	my $type = shift;
+	my $name = shift;
+	my $src = shift;
+	my $relocate = shift;
+	my $force = shift;
+	my $rebase = shift;
+	my $stash = shift;
+
+	my $m = $update_method{$type};
+	my $localpath = "./feeds/$name";
+	my $safepath = $localpath;
+	$safepath =~ s/'/'\\''/;
+	my ($base_branch, $branch) = split(/;/, $src, 2);
+	my ($base_commit, $commit) = split(/\^/, $src, 2);
+
+	if( $relocate || !$m->{'update'} || !-d "$localpath/$m->{'controldir'}" ) {
+		system("rm -rf '$safepath'");
+		if ($m->{'init_branch'} and $branch) {
+			system(sprintf($m->{'init_branch'}, $branch, $base_branch, $safepath)) == 0 or return 1;
+		} elsif ($m->{'init_commit'} and $commit) {
+			system(sprintf($m->{'init_commit'}, $base_commit, $safepath, $safepath, $commit, $commit)) == 0 or return 1;
+		} else {
+			system(sprintf($m->{'init'}, $src, $safepath)) == 0 or return 1;
+		}
+	} elsif ($m->{'init_commit'} and $commit) {
+		# in case git hash has been provided don't update the feed
+	} else {
+		my $update_cmd = $m->{'update'};
+		if ($force && exists $m->{'update_force'}) {
+			$update_cmd = $m->{'update_force'};
+		}
+		if ($rebase && exists $m->{'update_rebase'}) {
+			$update_cmd = $m->{'update_rebase'};
+		}
+		if ($stash && exists $m->{'update_stash'}) {
+			$update_cmd = $m->{'update_stash'};
+		}
+		system("cd '$safepath'; $update_cmd") == 0 or return 1;
+	}
+	if ($m->{'post_update'}) {
+		my $cmd = $m->{'post_update'};
+		system("cd '$safepath'; $cmd") == 0 or return 1;
+	}
+
+	return 0;
+}
+
+sub get_targets($) {
+	my $file = shift;
+	my @target = parse_target_metadata($file);
+	my %target;
+	foreach my $target (@target) {
+		$target{$target->{id}} = $target;
+	}
+	return %target
+}
+
+sub get_feed($) {
+	my $feed = shift;
+
+	if (!defined($feed_cache{$feed})) {
+		my $file = "./feeds/$feed.index";
+
+		clear_packages();
+		-f $file or do {
+			print "Ignoring feed '$feed' - index missing\n";
+			return;
+		};
+		parse_package_metadata($file) or return;
+		my %target = get_targets("./feeds/$feed.targetindex");
+
+		$feed_cache{$feed} = [ { %package }, { %srcpackage }, { %target }, { %vpackage } ];
+	}
+
+	$feed_package = $feed_cache{$feed}->[0];
+	$feed_src = $feed_cache{$feed}->[1];
+	$feed_target = $feed_cache{$feed}->[2];
+	$feed_vpackage = $feed_cache{$feed}->[3];
+}
+
+sub get_installed() {
+	system("$mk -s prepare-tmpinfo OPENWRT_BUILD=");
+	clear_packages();
+	parse_package_metadata("./tmp/.packageinfo");
+	%installed_pkg = %vpackage;
+	%installed = %srcpackage;
+	%installed_targets = get_targets("./tmp/.targetinfo");
+}
+
+sub search_feed {
+	my $feed = shift;
+	my @substr = @_;
+	my $display;
+
+	return unless @substr > 0;
+	get_feed($feed);
+	foreach my $name (sort { lc($a) cmp lc($b) } keys %$feed_package) {
+		my $pkg = $feed_package->{$name};
+		my $substr;
+		my $pkgmatch = 1;
+
+		foreach my $substr (@substr) {
+			my $match;
+			foreach my $key (qw(name title description src)) {
+				$pkg->{$key} and $substr and $pkg->{$key} =~ m/$substr/i and $match = 1;
+			}
+			$match or undef $pkgmatch;
+		};
+		$pkgmatch and do {
+			$display or do {
+				print "Search results in feed '$feed':\n";
+				$display = 1;
+			};
+			printf "\%-25s\t\%s\n", $pkg->{name}, $pkg->{title};
+		};
+	}
+
+	foreach my $name (sort { lc($a) cmp lc($b) } keys %$feed_target) {
+		my $target = $feed_target->{$name};
+		my $targetmatch = 1;
+
+		foreach my $substr (@substr) {
+			my $match;
+			foreach my $key (qw(id name description)) {
+				$target->{$key} and $substr and $target->{$key} =~ m/$substr/i and $match = 1;
+			}
+			$match or undef $targetmatch;
+		};
+		$targetmatch and do {
+			$display or do {
+				print "Search results in feed '$feed':\n";
+				$display = 1;
+			};
+			printf "TARGET: \%-17s\t\%s\n", $target->{id}, $target->{name};
+		};
+	}
+	return 0;
+}
+
+sub search {
+	my %opts;
+
+	getopt('r:', \%opts);
+	foreach my $feed (@feeds) {
+		search_feed($feed->[1], @ARGV) if (!defined($opts{r}) or $opts{r} eq $feed->[1]);
+	}
+}
+
+sub list_feed {
+	my $feed = shift;
+
+	get_feed($feed);
+	foreach my $name (sort { lc($a) cmp lc($b) } keys %$feed_package) {
+		my $pkg = $feed_package->{$name};
+		if($pkg->{name}) {
+			printf "\%-32s\t\%s\n", $pkg->{name}, $pkg->{title};
+		}
+	}
+
+	foreach my $name (sort { lc($a) cmp lc($b) } keys %$feed_target) {
+		my $target = $feed_target->{$name};
+		if($target->{name}) {
+			printf "TARGET: \%-24s\t\%s\n", $target->{id}, $target->{name};
+		}
+	}
+
+	return 0;
+}
+
+sub list {
+	my %opts;
+
+	getopts('r:d:nshf', \%opts);
+	if ($opts{h}) {
+		usage();
+		return 0;
+	}
+	if ($opts{n}) {
+		foreach my $feed (@feeds) {
+			printf "%s\n", $feed->[1];
+		}
+		return 0;
+	}
+	if ($opts{s}) {
+		foreach my $feed (@feeds) {
+			my $localpath = "./feeds/$feed->[1]";
+			my $m = $update_method{$feed->[0]};
+			my $revision;
+			if (!-d "$localpath" || !$m->{'revision'}) {
+				$revision = "X";
+			}
+			elsif( $m->{'controldir'} && -d "$localpath/$m->{'controldir'}" ) {
+				$revision = `cd '$localpath'; $m->{'revision'}`;
+			}
+			else {
+				$revision = "local";
+			}
+			if ($opts{d}) {
+				printf "%s%s%s%s%s%s%s\n", $feed->[1], $opts{d}, $feed->[0], $opts{d}, $revision, $opts{d}, join(", ", @{$feed->[2]});
+			}
+			elsif ($opts{f}) {
+				my $uri = join(", ", @{$feed->[2]});
+				if ($revision ne "local" && $revision ne "X") {
+					$uri =~ s/[;^].*//;
+					$uri .= "^" . $revision;
+				}
+				printf "%s %s %s\n", $feed->[0], $feed->[1], $uri;
+			}
+			else {
+				printf "\%-10s \%-8s \%-8s \%s\n", $feed->[1], $feed->[0], $revision, join(", ", @{$feed->[2]});
+			}
+		}
+		return 0;
+	}
+	foreach my $feed (@feeds) {
+		list_feed($feed->[1], @ARGV) if (!defined($opts{r}) or $opts{r} eq $feed->[1]);
+	}
+	return 0;
+}
+
+sub do_install_src($$) {
+	my $feed = shift;
+	my $src = shift;
+
+	my $path = $src->{makefile};
+	if ($path) {
+		$path =~ s/\/Makefile$//;
+
+		-d "./package/feeds" or mkdir "./package/feeds";
+		-d "./package/feeds/$feed->[1]" or mkdir "./package/feeds/$feed->[1]";
+		system("ln -sf ../../../$path ./package/feeds/$feed->[1]/");
+	} else {
+		warn "Package is not valid\n";
+		return 1;
+	}
+
+	return 0;
+}
+
+sub do_install_target($) {
+	my $target = shift;
+	my $path = $target->{makefile};
+
+	if ($path) {
+		$path =~ s/\/Makefile$//;
+		my $name = $path;
+		$name =~ s/.*\///;
+		my $dest = "./target/linux/feeds/$name";
+
+		-d "./target/linux/feeds" or mkdir "./target/linux/feeds";
+
+		-e $dest and do {
+			warn "Path $dest already exists";
+			return 1;
+		};
+
+		system("ln -sf ../../../$path ./target/linux/feeds/");
+	} else {
+		warn "Target is not valid\n";
+		return 1;
+	}
+
+	# Clean packageinfo of linux kernel to force the scan.
+	# Otherwise kernel modules defined at target level are not scanned, as the
+	# linux kernel package was scanned before the installation of the target.
+	unlink "tmp/info/.packageinfo-kernel_linux";
+
+	return 0;
+}
+
+sub lookup_src($$) {
+	my $feed = shift;
+	my $src = shift;
+
+	foreach my $feed ($feed, @feeds) {
+		next unless $feed->[1];
+		next unless $feed_cache{$feed->[1]};
+		$feed_cache{$feed->[1]}->[1]->{$src} and return $feed;
+	}
+	return;
+}
+
+sub lookup_package($$) {
+	my $feed = shift;
+	my $package = shift;
+
+	foreach my $feed ($feed, @feeds) {
+		next unless $feed->[1];
+		next unless $feed_cache{$feed->[1]};
+		$feed_cache{$feed->[1]}->[3]->{$package} and return $feed;
+	}
+	return;
+}
+
+sub lookup_target($$) {
+	my $feed = shift;
+	my $target = shift;
+
+	foreach my $feed ($feed, @feeds) {
+		next unless $feed->[1];
+		next unless $feed_cache{$feed->[1]};
+		$feed_cache{$feed->[1]}->[2]->{$target} and return $feed;
+	}
+	return;
+}
+
+sub is_core_src($) {
+	my $src = shift;
+	foreach my $file ("tmp/info/.packageinfo-$src", glob("tmp/info/.packageinfo-*_$src")) {
+		next unless index($file, "tmp/info/.packageinfo-feeds_");
+		return 1 if -s $file;
+	}
+	return 0;
+}
+
+sub install_target {
+	my $feed = shift;
+	my $name = shift;
+	my $force = shift;
+
+	$feed = lookup_target($feed, $name);
+	my $feed_name = $feed->[1];
+
+	-e "target/linux/feeds/$name" and return 0;
+
+	# enable force flag if feed src line was declared with --force
+	if (exists($feed->[3]{force})) {
+		$force = 1;
+	}
+
+	$feed = $feed_cache{$feed_name}->[2];
+	$feed or return 0;
+
+	my $target = $feed->{$name};
+	$target or return 0;
+
+	if (-e "target/linux/$name") {
+		if ($force) {
+			warn "Overriding target '$name' with version from '$feed_name'\n";
+		} else {
+			warn "WARNING: Not overriding core target '$name'; use -f to force\n";
+			return 0;
+		}
+	} else {
+		warn "Installing target '$name'\n";
+	}
+	return do_install_target($target);
+}
+
+sub install_src {
+	my $feed = shift;
+	my $name = shift;
+	my $force = shift;
+	my $ret = 0;
+
+	my $select_feed = lookup_src($feed, $name);
+	unless ($select_feed) {
+		$installed{$name} and return 0;
+		$feed_src->{$name} or warn "WARNING: No feed for source package '$name' found\n";
+		return 0;
+	}
+
+	# switch to the metadata for the selected feed
+	get_feed($select_feed->[1]);
+	my $src = $feed_src->{$name} or return 1;
+
+	# enable force flag if feed src line was declared with --force
+	if (exists($select_feed->[3]{force})) {
+		$force = 1;
+	}
+
+	# If it's a core package and we don't want to override, just return
+	my $override = 0;
+	if (is_core_src($name)) {
+		if (!$force) {
+			if ($name ne "toolchain" && $name ne "linux") {
+				warn "WARNING: Not overriding core package '$name'; use -f to force\n";
+			}
+			return 0;
+		}
+		$override = 1;
+	}
+
+	if ($installed{$name}) {
+		# newly installed packages set the source package to 1
+		return 0 if ($installed{$name} == 1);
+		return 0 unless ($override);
+	}
+
+	$installed{$name} = 1;
+	foreach my $pkg (@{$src->{packages}}) {
+		foreach my $vpkg (@{$pkg->{provides}}) {
+			$installed_pkg{$vpkg} = 1;
+		}
+	}
+
+	if ($override) {
+		warn "Overriding core package '$name' with version from $select_feed->[1]\n";
+	} else {
+		warn "Installing package '$name' from $select_feed->[1]\n";
+	}
+
+	do_install_src($select_feed, $src) == 0 or do {
+		warn "failed.\n";
+		return 1;
+	};
+
+	# install all dependencies referenced from the source package
+	foreach my $dep (
+		@{$src->{builddepends}},
+		@{$src->{'builddepends/host'}},
+	) {
+		next if $dep =~ /@/;
+		$dep =~ s/^.+://;
+		$dep =~ s/\/.+$//;
+		next unless $dep;
+		install_src($feed, $dep, 0) == 0 or $ret = 1;
+	}
+
+	foreach my $pkg (@{$src->{packages}}) {
+		foreach my $dep (@{$pkg->{depends}}) {
+			next if $dep =~ /@/;
+			$dep =~ s/^\+//;
+			$dep =~ s/^.+://;
+			next unless $dep;
+			install_package($feed, $dep, 0) == 0 or $ret = 1;
+		}
+	}
+
+	return $ret;
+}
+
+sub install_package {
+	my $feed = shift;
+	my $name = shift;
+	my $force = shift;
+
+	my $select_feed = lookup_package($feed, $name);
+	unless ($select_feed) {
+		$installed_pkg{$name} and return 0;
+		$feed_vpackage->{$name} or warn "WARNING: No feed for package '$name' found\n";
+		return 0;
+	}
+
+	# switch to the metadata for the selected feed
+	get_feed($select_feed->[1]);
+	my $pkg = $feed_vpackage->{$name} or return 1;
+	return install_src($feed, $pkg->[0]{src}{name}, $force);
+}
+
+sub install_target_or_package {
+	my $feed = shift;
+	my $name = shift;
+	my $force = shift;
+
+	lookup_target($feed, $name) and do {
+		return install_target($feed, $name, $force);
+	};
+
+	lookup_src($feed, $name) and do {
+		return install_src($feed, $name, $force);
+	};
+
+	return install_package($feed, $name, $force);
+}
+
+sub refresh_config {
+	my $default = shift;
+
+	# Don't create .config if it doesn't already exist so that making a
+	# config only occurs when the user intends it do (however we do
+	# want to refresh an existing config).
+	return if not (-e '.config');
+
+	# workaround for timestamp check
+	system("rm -f tmp/.packageinfo");
+
+	# refresh the config
+	if ($default) {
+		system("$mk oldconfig CONFDEFAULT=\"$default\" Config.in >/dev/null 2>/dev/null");
+	} else {
+		system("$mk defconfig Config.in >/dev/null 2>/dev/null");
+	}
+}
+
+sub install {
+	my $name;
+	my %opts;
+	my $feed;
+	my $ret = 0;
+
+	getopts('ap:d:fh', \%opts);
+
+	if ($opts{h}) {
+		usage();
+		return 0;
+	}
+
+	get_installed();
+
+	foreach my $f (@feeds) {
+		# fetch all feeds
+		get_feed($f->[1]);
+
+		# look up the preferred feed
+		$opts{p} and $f->[1] eq $opts{p} and $feed = $f;
+	}
+
+	if($opts{a}) {
+		foreach my $f (@feeds) {
+			if (!defined($opts{p}) or $opts{p} eq $f->[1]) {
+				printf "Installing all packages from feed %s.\n", $f->[1];
+				get_feed($f->[1]);
+				foreach my $name (sort { lc($a) cmp lc($b) } keys %$feed_src) {
+					install_src($feed, $name, exists($opts{f})) == 0 or $ret = 1;
+					get_feed($f->[1]);
+				}
+			}
+		}
+	} else {
+		while ($name = shift @ARGV) {
+			install_target_or_package($feed, $name, exists($opts{f})) == 0 or $ret = 1;
+		}
+	}
+
+	# workaround for timestamp check
+
+	# set the defaults
+	if ($opts{d} and $opts{d} =~ /^[ymn]$/) {
+		refresh_config($opts{d});
+	}
+
+	return $ret;
+}
+
+sub uninstall_target($) {
+	my $dir = shift;
+	my $name = $dir;
+	$name =~ s/.*\///g;
+
+	my $dest = readlink $dir;
+	return unless $dest =~ /..\/..\/feeds/;
+	warn "Uninstalling target '$name'\n";
+	unlink "$dir";
+}
+
+sub uninstall {
+	my %opts;
+	my $name;
+	my $uninstall;
+
+	getopts('ah', \%opts);
+
+	if ($opts{h}) {
+		usage();
+		return 0;
+	}
+
+	if ($opts{a}) {
+		system("rm -rvf ./package/feeds");
+		foreach my $dir (glob "target/linux/*") {
+			next unless -l $dir;
+			uninstall_target($dir);
+		}
+		$uninstall = 1;
+	} else {
+		if($#ARGV == -1) {
+			warn "WARNING: no package to uninstall\n";
+			return 0;
+		}
+		get_installed();
+		while ($name = shift @ARGV) {
+			my $target = "target/linux/feeds/$name";
+			-l "$target" and do {
+				uninstall_target($target);
+				$uninstall = 1;
+				next;
+			};
+
+			my $pkg = $installed{$name};
+			$pkg or do {
+				warn "WARNING: $name not installed\n";
+				next;
+			};
+			$pkg->{src} and $name = $pkg->{src}{name};
+			warn "Uninstalling package '$name'\n";
+			system("rm -f ./package/feeds/*/$name");
+			$uninstall = 1;
+		}
+	}
+	$uninstall and refresh_config();
+	return 0;
+}
+
+sub update_feed($$$$$$)
+{
+	my $type=shift;
+	my $name=shift;
+	my $src=shift;
+	my $force_update=shift;
+	my $rebase_update=shift;
+	my $stash_update=shift;
+	my $force_relocate=update_location( $name, "@$src" );
+	my $rv=0;
+
+	if( $force_relocate ) {
+		warn "Source of feed $name has changed, replacing copy\n";
+	}
+	$update_method{$type} or do {
+		warn "Unknown type '$type' in feed $name\n";
+		return 1;
+	};
+
+	my $failed = 1;
+	foreach my $feedsrc (@$src) {
+		warn "Updating feed '$name' from '$feedsrc' ...\n";
+		if (update_feed_via($type, $name, $feedsrc, $force_relocate, $force_update, $rebase_update, $stash_update) != 0) {
+			if ($force_update) {
+				$rv=1;
+				$failed=0;
+				warn "failed, ignore.\n";
+				next;
+			}
+			last;
+		}
+		$failed = 0;
+	}
+	$failed and do {
+		warn "failed.\n";
+		return 1;
+	};
+	return $rv;
+}
+
+sub update {
+	my %opts;
+	my %argv_feeds;
+	my $failed=0;
+
+	$ENV{SCAN_COOKIE} = $$;
+	$ENV{OPENWRT_VERBOSE} = 's';
+
+	getopts('ahifrs', \%opts);
+	%argv_feeds = map { $_ => 1 } @ARGV;
+
+	if ($opts{h}) {
+		usage();
+		return 0;
+	}
+
+	if ($opts{f} && ($opts{r} || $opts{s})) {
+		warn "Force and rebase/stash are incompatible update options.\n";;
+		return 1;
+	}
+
+	-d "feeds" or do {
+			mkdir "feeds" or die "Unable to create the feeds directory";
+		};
+
+	my @index_feeds;
+	foreach my $feed (@feeds) {
+		my ($type, $name, $src) = @$feed;
+		next unless $#ARGV == -1 or $opts{a} or $argv_feeds{$name};
+		if (not $opts{i}) {
+			update_feed($type, $name, $src, $opts{f}, $opts{r}, $opts{s}) == 0 or $failed=1;
+		}
+		push @index_feeds, $name;
+	}
+	foreach my $name (@index_feeds) {
+		warn "Create index file './feeds/$name.index' \n";
+		update_index($name) == 0 or do {
+			warn "failed.\n";
+			$failed=1;
+		};
+	}
+
+	refresh_config();
+
+	return $failed;
+}
+
+sub feed_config() {
+	foreach my $feed (@feeds) {
+		my $installed = (-f "feeds/$feed->[1].index");
+
+		printf "\tconfig FEED_%s\n", $feed->[1];
+		printf "\t\ttristate \"Enable feed %s\"\n", $feed->[1];
+		printf "\t\tdepends on PER_FEED_REPO\n";
+		printf "\t\tdefault y\n" if $installed;
+		printf "\t\thelp\n";
+		printf "\t\t Enable the \\\"%s\\\" feed in opkg distfeeds.conf and apk repositories.\n", $feed->[1];
+		printf "\t\t Say M to add the feed commented out.\n";
+		printf "\n";
+	}
+
+	return 0;
+}
+
+sub usage() {
+	print <<EOF;
+Usage: $0 <command> [options]
+
+Commands:
+	list [options]: List feeds, their content and revisions (if installed)
+	Options:
+	    -n :            List of feed names.
+	    -s :            List of feed names and their URL.
+	    -r <feedname>:  List packages of specified feed.
+	    -d <delimiter>: Use specified delimiter to distinguish rows (default: spaces)
+	    -f :            List feeds in opkg feeds.conf compatible format (when using -s).
+
+	install [options] <package>: Install a package
+	Options:
+	    -a :           Install all packages from all feeds or from the specified feed using the -p option.
+	    -p <feedname>: Prefer this feed when installing packages.
+	    -d <y|m|n>:    Set default for newly installed packages.
+	    -f :           Install will be forced even if the package exists in core OpenWrt (override)
+
+	search [options] <substring>: Search for a package
+	Options:
+	    -r <feedname>: Only search in this feed
+
+	uninstall -a|<package>: Uninstall a package
+	Options:
+	    -a :           Uninstalls all packages.
+
+	update -a|<feedname(s)>: Update packages and lists of feeds in feeds.conf .
+	Options:
+	    -a :           Update all feeds listed within feeds.conf. Otherwise the specified feeds will be updated.
+	    -r :           Update by rebase. (git only. Useful if local commits exist)
+	    -s :           Update by rebase and autostash. (git only. Useful if local commits and uncommited changes exist)
+	    -i :           Recreate the index only. No feed update from repository is performed.
+	    -f :           Force updating feeds even if there are changed, uncommitted files.
+
+	clean:             Remove downloaded/generated files.
+
+EOF
+	exit(1);
+}
+
+my %commands = (
+	'list' => \&list,
+	'update' => \&update,
+	'install' => \&install,
+	'search' => \&search,
+	'uninstall' => \&uninstall,
+	'feed_config' => \&feed_config,
+	'clean' => sub {
+		system("rm -rf ./feeds ./package/feeds ./target/linux/feeds");
+	}
+);
+
+my $arg = shift @ARGV;
+$arg or usage();
+parse_config;
+foreach my $cmd (keys %commands) {
+	$arg eq $cmd and do {
+		exit(&{$commands{$cmd}}());
+	};
+}
+usage();