// 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) {
	s := Script(userdata)
	return &s, nil
}