@@ -19,7 +19,12 @@ case $# in

 	;;

 # If user passed arguments to the script

 1)

-	eval "$(grep -E "^clone [^ ]+ $1" "$0")"

+	path="$PWD/hack/vendor.sh"

+	if ! cloneGrep="$(grep -E "^clone [^ ]+ $1" "$path")"; then

+		echo >&2 "error: failed to find 'clone ... $1' in $path"

+		exit 1

+	fi

+	eval "$cloneGrep"

 	clean

 	exit 0

 	;;