code: func NewLocalInstaller(source string, home helmpath.Home) (*LocalInstaller, error) {
  	src, err := filepath.Abs(source)
  	if err != nil {
  		return nil, fmt.Errorf("unable to get absolute path to plugin: %v", err)
  	}
  	i := &LocalInstaller{
  		base: newBase(src, home),
  	}
  	return i, nil
  }
docs: // NewLocalInstaller creates a new LocalInstaller.