// Copyright 2015 CoreOS, Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package config import ( "strings" ) type Script []byte func IsScript(userdata string) bool { header := strings.SplitN(userdata, "\n", 2)[0] return strings.HasPrefix(header, "#!") } func NewScript(userdata string) (Script, error) { return Script(userdata), nil }