# Emerge wrapper, uses matter lock file support to avoid
# concurrent execution
emerge() {
	matter_lock_file="/var/tmp/.matter_resource.lock"
	flock -x -n "${matter_lock_file}" true
	rc=${?}
	if [ "${rc}" != "0" ]; then
		echo
		echo "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
		echo "matter is running on this chroot, in order to prevent explosions"
		echo "this emerge instance will terminate NOW"
		echo "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
		echo
		return 1
	else
		/usr/bin/emerge --quiet-build=n "$@"
		return ${?}
	fi
}