mirror of https://github.com/gohugoio/hugo.git
91 lines
1.9 KiB
Go
91 lines
1.9 KiB
Go
// Copyright 2019 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package hugio
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import (
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"path/filepath"
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"github.com/spf13/afero"
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)
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// CopyFile copies a file.
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func CopyFile(fs afero.Fs, from, to string) error {
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sf, err := fs.Open(from)
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if err != nil {
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return err
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}
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defer sf.Close()
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df, err := fs.Create(to)
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if err != nil {
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return err
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}
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defer df.Close()
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_, err = io.Copy(df, sf)
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if err != nil {
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return err
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}
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si, err := fs.Stat(from)
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if err != nil {
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err = fs.Chmod(to, si.Mode())
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if err != nil {
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return err
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}
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}
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return nil
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}
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// CopyDir copies a directory.
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func CopyDir(fs afero.Fs, from, to string, shouldCopy func(filename string) bool) error {
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fi, err := os.Stat(from)
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if err != nil {
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return err
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}
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if !fi.IsDir() {
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return fmt.Errorf("%q is not a directory", from)
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}
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err = fs.MkdirAll(to, 0777) // before umask
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if err != nil {
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return err
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}
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entries, _ := ioutil.ReadDir(from)
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for _, entry := range entries {
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fromFilename := filepath.Join(from, entry.Name())
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toFilename := filepath.Join(to, entry.Name())
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if entry.IsDir() {
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if shouldCopy != nil && !shouldCopy(fromFilename) {
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continue
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}
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if err := CopyDir(fs, fromFilename, toFilename, shouldCopy); err != nil {
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return err
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}
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} else {
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if err := CopyFile(fs, fromFilename, toFilename); err != nil {
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return err
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}
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}
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}
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return nil
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}
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