github.com/cloudfoundry/libcfbuildpack@v1.91.23/helper/copy_directory.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 "io/ioutil" 21 "os" 22 "path/filepath" 23 ) 24 25 // CopyDirectory copies source to destination recursively. 26 func CopyDirectory(source string, destination string) error { 27 files, err := ioutil.ReadDir(source) 28 if err != nil { 29 return err 30 } 31 32 for _, f := range files { 33 s := filepath.Join(source, f.Name()) 34 d := filepath.Join(destination, f.Name()) 35 36 if m := f.Mode(); m&os.ModeSymlink != 0 { 37 if err := CopySymlink(s, d); err != nil { 38 return err 39 } 40 } else if f.IsDir() { 41 if err := CopyDirectory(s, d); err != nil { 42 return err 43 } 44 } else { 45 if err := CopyFile(s, d); err != nil { 46 return err 47 } 48 } 49 } 50 51 return nil 52 }