for _, file := range match {
			// relative path to p.Dir which begins without prefix slash
			rel := filepath.ToSlash(str.TrimFilePathPrefix(file, pkgdir))

			what := "file"
			info, err := fsys.Lstat(file)
			if err != nil {
				return nil, nil, err
			}
			if info.IsDir() {
				what = "directory"
			}

			// Check that directories along path do not begin a new module