#!/bin/sh
#
# 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.
#

if [ "$0" = ./alternatives-list ]; then
	. ./functions
	lib_dir="$(/bin/pwd)"
else
	. /usr/share/alternatives/functions
fi

print_usage()
{
	[ "$1" = 0 ] || exec >&2
	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
	[ -n "$1" ] && exit "$1" || exit
}


TEMP=`getopt -n $PROG -o h,v -l help,version -- "$@"` || print_usage
eval set -- "$TEMP"

while :; do
	case "$1" in
		-h|--help) print_usage 0
			;;
		-v|--version) print_version
			;;
		--) shift; break
			;;
		*) Fatal "unrecognized option: $1"
			;;
	esac
	shift
done

pattern=".*"

if [ "$#" -gt 0 ]; then
    pattern=
    for i in $(quote "$*")
    do
	if [ -z "$pattern" ]; then
	    pattern="^$i	"
	else
	    pattern="$pattern|^$i	"
	fi
    done
fi

get_list|egrep "$pattern"|sed $set_options 's,	, points to ,'
