Merge remote-tracking branch 'remotes/origin/dev' into issue/749

setup/so-functions

@@ -998,7 +998,9 @@ parse_options() {
 			export {https,ftp,rsync,all}_proxy="$http_proxy"
 			;;
 		*)
-			echo "Invalid option"
+			if  [[ $1 = --* ]]; then
+				echo "Invalid option"
+			fi
 	esac
 }