return d.r.Read(p)
	}
	return 0, errors.New("reader closed")
}

func (d *disconnectReader) Close() error {
	d.mu.Lock()
	d.r = nil
	d.mu.Unlock()
	return nil
}

func untar(ctx context.Context, r io.Reader, putObject func(reader io.Reader, info os.FileInfo, name string) error, o untarOptions) error {
	bf := bufio.NewReader(r)
	switch f := detect(bf); f {
	case formatGzip:

	opts.prefixAll = r.Header.Get(xhttp.MinIOSnowballPrefix)
	if opts.prefixAll != "" {
		opts.prefixAll = trimLeadingSlash(pathJoin(opts.prefixAll, slashSeparator))
	}

	if err = untar(ctx, hreader, putObjectTar, opts); err != nil {
		apiErr := errorCodes.ToAPIErr(s3Err)
		// If not set, convert or use BadRequest
		if s3Err == ErrNone {
			apiErr = toAPIError(ctx, err)

```
sftp -P 8022 minioadmin@localhost
minioadmin@localhost's password:
Connected to localhost.
sftp> ls runner/
chunkdocs  testdir
```

Following example shows how to download an object locally via `sftp` client:

```
sftp> get runner/chunkdocs/metadata metadata
Fetching /runner/chunkdocs/metadata to metadata

name: Shell formatting checks

on:
  pull_request:
    branches:
    - master
    - next

permissions:
  contents: read
    
jobs:
  build:
    name: runner / shfmt
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: luizm/action-sh-checker@master
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          SHFMT_OPTS: "-s"
        with: