// Copyright 2018 Bull S.A.S. Atos Technologies - Bull, Rue Jean Jaures, B.P.68, 78340, Les Clayes-sous-Bois, France.
//
// 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 provutil

import (
	"strings"
)

// SanitizeForShell allows to sanitize a string in order to be embedded in shell command
func SanitizeForShell(str string) string {
	return strings.Map(func(r rune) rune {
		// Replace hyphen by underscore
		if r == '-' {
			return '_'
		}
		// Keep underscores
		if r == '_' {
			return r
		}
		// Drop any other non-alphanum rune
		if r < '0' || r > 'z' || r > '9' && r < 'A' || r > 'Z' && r < 'a' {
			return rune(-1)
		}
		return r

	}, str)
}