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  }