#!/bin/sh -e
#
# Copyright (c) 2003,2004 ALT Linux Ltd.
# Copyright (c) 2003,2004 Stanislav Ievlev <inger@altlinux.org>
#
# alternatives-update - utility from alternatives subsystem
# lists current state of alternatives subsystem
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
# USA.
#

case "$0" in
	/*) lib_dir= ;;
	*/*) lib_dir="${0%/*}" ;;
	*) lib_dir= ;;
esac

. "${lib_dir:-/usr/share/alternatives}/functions"

show_help()
{
	cat <<EOF
Usage: $PROG [options] <alternatives...>

The  alternatives-list program shows current state of alternatives.

Valid options are:
  -h, --help	display help screen
  -v, --version	display version information
				     
Report bugs to <inger@altlinux.org>
EOF
	exit
}

TEMP=`getopt -n $PROG -o $getopt_common_opts -l $getopt_common_longopts -- "$@"` ||
	show_usage
eval set -- "$TEMP"

while :; do
	case "$1" in
		--) shift; break ;;
		*) parse_common_option "$1" ;;
	esac
	shift
done

pattern=
for i; do
	quote_sed_regexp_variable qi "$i"
	[ -z "$pattern" ] || pattern="$pattern\\|"
	pattern="$pattern$qi"
done
[ -n "$pattern" ] || pattern='.*'

get_list |
	sed -n "s/^\($pattern\)[[:space:]]\+/\1 points to /p"
