// It walks the directory tree starting at the root of the filesystem
// adding each file to the tar archive while maintaining the directory structure.
func (tw *Writer) AddFS(fsys fs.FS) error {
	return fs.WalkDir(fsys, ".", func(name string, d fs.DirEntry, err error) error {
		if err != nil {
			return err
		}
		if name == "." {
			return nil
		}
		info, err := d.Info()
		if err != nil {
			return err
		}

// It walks the directory tree starting at the root of the filesystem
// adding each file to the zip using deflate while maintaining the directory structure.
func (w *Writer) AddFS(fsys fs.FS) error {
	return fs.WalkDir(fsys, ".", func(name string, d fs.DirEntry, err error) error {
		if err != nil {
			return err
		}
		if name == "." {
			return nil
		}
		info, err := d.Info()
		if err != nil {
			return err
		}

			// fetched from drives is limited by max-keys, we should use the last ILM filtered entry
			// as a continuation token if it is lexially higher than the last visible object so that the
			// next call of WalkDir() with the max-keys can reach new objects not seen previously.
			loi.NextMarker = merged.lastSkippedEntry
		}

		if loi.NextMarker != "" {
			loi.NextMarker = opts.encodeMarker(loi.NextMarker)
		}