func findTarComponent(inputFile io.Reader, path string) (*tar.Reader, *tar.Header, error) {
	t := tar.NewReader(inputFile)
	for {
		h, err := t.Next()
		if err == io.EOF {
			break
		}
		if err != nil {
			return nil, nil, err
		}
		if h.Name == path {
			return t, h, nil
		}
	}
	return nil, nil, nil
}
func findTarComponent(inputFile io.Reader, path string) (*tar.Reader, *tar.Header, error) {
	t := tar.NewReader(inputFile)
	for {
		h, err := t.Next()
		if err == io.EOF {
			break
		}
		if err != nil {
			return nil, nil, err
		}
		if h.Name == path {
			return t, h, nil
		}
	}
	return nil, nil, nil
}
func findTarComponent ( inputFile io . Reader , path string ) ( * tar . Reader , * tar . Header , error ) { t := tar . NewReader ( inputFile ) for { h , err := t . Next ( ) if err == io . EOF { break } if err != nil { return nil , nil , err } if h . Name == path { return t , h , nil } } return nil , nil , nil }
// findTarComponent returns a header and a reader matching path within inputFile,
// or (nil, nil, nil) if not found.
findTarComponent returns a header and a reader matching path within inputFile or ( nil nil nil ) if not found .