*) arch="linux64" ;;
esac
-xonotic="xonotic-${arch}-${mode}"
+# prefer locally built binary if available (see: Makefile)
+xonotic="xonotic-local-${mode}"
+[ -x "$xonotic" ] || xonotic="xonotic-${arch}-${mode}"
+echo "Executing: $xonotic ${@}"
set -- ./${xonotic} "${@}"