code: func (l *fsLoader) Load(ep *transport.Endpoint) (storer.Storer, error) {
  	fs, err := l.base.Chroot(ep.Path)
  	if err != nil {
  		return nil, err
  	}
  
  	if _, err := fs.Stat("config"); err != nil {
  		return nil, transport.ErrRepositoryNotFound
  	}
  
  	return filesystem.NewStorage(fs, cache.NewObjectLRUDefault()), nil
  }
docs: // Load looks up the endpoint's path in the base file system and returns a
  // storer for it. Returns transport.ErrRepositoryNotFound if a repository does
  // not exist in the given path.