mirror of https://github.com/restic/restic.git
42 lines
925 B
Go
42 lines
925 B
Go
package fs
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"strings"
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)
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// fixpath returns an absolute path on windows, so restic can open long file
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// names.
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func fixpath(name string) string {
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abspath, err := filepath.Abs(name)
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if err == nil {
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// Check if \\?\UNC\ already exist
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if strings.HasPrefix(abspath, `\\?\UNC\`) {
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return abspath
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}
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// Check if \\?\ already exist
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if strings.HasPrefix(abspath, `\\?\`) {
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return abspath
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}
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// Check if path starts with \\
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if strings.HasPrefix(abspath, `\\`) {
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return strings.Replace(abspath, `\\`, `\\?\UNC\`, 1)
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}
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// Normal path
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return `\\?\` + abspath
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}
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return name
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}
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// TempFile creates a temporary file.
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func TempFile(dir, prefix string) (f *os.File, err error) {
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return ioutil.TempFile(dir, prefix)
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}
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// Chmod changes the mode of the named file to mode.
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func Chmod(name string, mode os.FileMode) error {
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return os.Chmod(fixpath(name), mode)
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}
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