INNER CODE UNIT · Go

writeFileAtomic

cc1a2b/JShunter · internal/jshunter/cache.go:139

func writeFileAtomic(path string, data []byte, perm os.FileMode) error {
	tmp, err := os.CreateTemp(filepath.Dir(path), "."+filepath.Base(path)+".tmp-*")
	if err != nil {
		return err
	}
	tmpName := tmp.Name()
	// Best-effort cleanup if we bail before the rename commits.
	defer func() {
		if tmpName != "" {
			os.Remove(tmpName)
		}
	}()
	if err := tmp.Chmod(perm); err != nil {
		tmp.Close()
		return err
	}
	if _, err := tmp.Write(data); err != nil {
		tmp.Close()

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