github.com/cloudfoundry/libcfbuildpack@v1.91.23/helper/stripped_path.go (about)

     1  /*
     2   * Copyright 2018-2020 the original author or authors.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *      https://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package helper
    18  
    19  import (
    20  	"path/filepath"
    21  	"strings"
    22  )
    23  
    24  func strippedPath(source string, destination string, stripComponents int) string {
    25  	components := strings.Split(source, string(filepath.Separator))
    26  	if len(components) <= stripComponents {
    27  		return ""
    28  	}
    29  
    30  	return filepath.Join(append([]string{destination}, components[stripComponents:]...)...)
    31  }