return m.cview.Context(end)
}
-
-// writeFileAtomic replaces the file at path with data through a temporary file
-// and a rename. A reader or a crash of the process sees the old file or the new
-// file, never a part of one.
-func writeFileAtomic(path string, data []byte) error {
- file, err := os.CreateTemp(filepath.Dir(path), "."+filepath.Base(path)+".*")
- if err != nil {
- return fmt.Errorf("create temporary file: %w", err)
- }
-
- _, err = file.Write(data)
- err = errors.Join(err, file.Close())
- if err == nil {
- err = os.Rename(file.Name(), path)
- }
-
- if err != nil {
- return errors.Join(fmt.Errorf("replace file: %w", err), os.Remove(file.Name()))
- }
-
- return nil
-}