code: func PlainClone(path string, isBare bool, o *CloneOptions) (*Repository, error) {
  	return PlainCloneContext(context.Background(), path, isBare, o)
  }
docs: // PlainClone a repository into the path with the given options, isBare defines
  // if the new repository will be bare or normal. If the path is not empty
  // ErrRepositoryAlreadyExists is returned.
  //
  // TODO(mcuadros): move isBare to CloneOptions in v5