// Walk traverses a filesystem defined within driver, starting // from the given path, calling f on each file func Walk(ctx context.Context, driver storageDriver.StorageDriver, from string, f WalkFn) error { children, err := driver.List(ctx, from) if err != nil { return err } for _, child := range children { fileInfo, err := driver.Stat(ctx, child) if err != nil { return err } err = f(fileInfo) skipDir := (err == ErrSkipDir) if err != nil && !skipDir { return err } if fileInfo.IsDir() && !skipDir { Walk(ctx, driver, child, f) } } return nil }