#!/bin/sh

set -e

ME=$(basename $0)
SCRIPT=../../../build-tools/pkgos-schroot-clean

set +e
OUT=$("${SCRIPT}" -x 2>&1)
RC=$?
set -e

if [ "${RC}" -eq 0 ] ; then
	echo "${ME}: an unknown option did not fail"
	exit 1
fi

case "${OUT}" in
*"Usage: "*) ;;
*)
	echo "${ME}: no usage printed on unknown option"
	exit 1
	;;
esac

exit 0
