package state import ( "fmt" "os" "path/filepath" "time" ) func quarantineCorruptFile(path string, payload []byte, replacement []byte, mode os.FileMode) error { if err := os.MkdirAll(filepath.Dir(path), 0o750); err != nil { return err } backup := fmt.Sprintf("%s.corrupt-%s", path, time.Now().UTC().Format("20060102T150405Z")) if err := os.WriteFile(backup, payload, 0o600); err != nil { return fmt.Errorf("write backup %s: %w", backup, err) } if err := os.WriteFile(path, replacement, mode); err != nil { return fmt.Errorf("write replacement %s: %w", path, err) } return nil }