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 }