log.Fatalf("unexpected file during walk: %s", path)
		}
		name := filepath.ToSlash(path)
		w, err := zw.CreateRaw(&zip.FileHeader{
			Name:               name,
			Method:             zip.Store,
			CompressedSize64:   uint64(len(data)),
			UncompressedSize64: uint64(len(data)),
			CRC32:              crc32.ChecksumIEEE(data),
		})
		if err != nil {
			log.Fatal(err)
		}
		if _, err := w.Write(data); err != nil {

	if file.UncompressedSize64 > 0 {
		// There may be number of header bytes before the content.
		// Reading 64K extra. This should more than cover name and any "extra" details.
		end := file.Offset + int64(file.CompressedSize64) + 64<<10
		if end > zipObjInfo.Size {
			end = zipObjInfo.Size
		}
		rs := &HTTPRangeSpec{Start: file.Offset, End: end}
		gr, err := objectAPI.GetObjectNInfo(ctx, bucket, zipPath, rs, nil, opts)

		{"File", Type, 0},
		{"File.FileHeader", Field, 0},
		{"FileHeader", Type, 0},
		{"FileHeader.CRC32", Field, 0},
		{"FileHeader.Comment", Field, 0},
		{"FileHeader.CompressedSize", Field, 0},
		{"FileHeader.CompressedSize64", Field, 1},
		{"FileHeader.CreatorVersion", Field, 0},
		{"FileHeader.ExternalAttrs", Field, 0},
		{"FileHeader.Extra", Field, 0},
		{"FileHeader.Flags", Field, 0},
		{"FileHeader.Method", Field, 0},

pkg archive/tar, method (*Header) FileInfo() os.FileInfo
pkg archive/zip, const Deflate = 8
pkg archive/zip, const Store = 0
pkg archive/zip, type FileHeader struct, CompressedSize64 uint64
pkg archive/zip, type FileHeader struct, UncompressedSize64 uint64
pkg bufio, const MaxScanTokenSize = 65536
pkg bufio, const MaxScanTokenSize ideal-int
pkg bufio, func NewScanner(io.Reader) *Scanner