github.com/cloudfoundry/libcfbuildpack@v1.91.23/helper/extract_tar_xz.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  	"os"
    21  
    22  	"github.com/xi2/xz"
    23  )
    24  
    25  // ExtractTarXz extracts source XZ TAR file to a destination directory.
    26  func ExtractTarXz(source string, destination string, stripComponents int) error {
    27  	f, err := os.Open(source)
    28  	if err != nil {
    29  		return err
    30  	}
    31  	defer f.Close()
    32  
    33  	r, err := xz.NewReader(f, 0)
    34  	if err != nil {
    35  		return err
    36  	}
    37  
    38  	return handleTar(r, destination, stripComponents)
    39  }