#!/bin/sh

set -e

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

check_help () {
	FLAG=${1}
	set +e
	OUT=$("${SCRIPT}" "${FLAG}" 2>&1)
	RC=$?
	set -e
	if [ "${RC}" != 0 ] ; then
		echo "${ME}: ${FLAG} exited with code ${RC}"
		exit 1
	fi
	case "${OUT}" in
	*"Usage: "*) ;;
	*)
		echo "${ME}: ${FLAG} does not print any usage"
		exit 1
		;;
	esac
}

check_help -h
check_help --help

exit 0
