35 lines
895 B
Go
35 lines
895 B
Go
// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
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// All rights reserved. Use of this source code is governed by an MIT-style
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// license that can be found in the LICENSE file.
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// Package osutil implements utilities for native OS support.
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package osutil
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import (
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"os"
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"path/filepath"
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"runtime"
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)
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func Rename(from, to string) error {
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// Make sure the destination directory is writeable
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toDir := filepath.Dir(to)
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if info, err := os.Stat(toDir); err == nil {
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os.Chmod(toDir, 0777)
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defer os.Chmod(toDir, info.Mode())
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}
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// On Windows, make sure the destination file is writeable (or we can't delete it)
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if runtime.GOOS == "windows" {
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os.Chmod(to, 0666)
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err := os.Remove(to)
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if err != nil && !os.IsNotExist(err) {
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return err
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}
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}
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// Don't leave a dangling temp file in case of rename error
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defer os.Remove(from)
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return os.Rename(from, to)
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}
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