Function checkAndUpdateReferenceStorerIfNeeded

repository.go:1164–1182

(
	s storer.ReferenceStorer, r, old *plumbing.Reference)

}

func checkAndUpdateReferenceStorerIfNeeded(
	s storer.ReferenceStorer, r, old *plumbing.Reference) (
	updated bool, err error) {
	p, err := s.Reference(r.Name())
	if err != nil && err != plumbing.ErrReferenceNotFound {
		return false, err
	}

	// we use the string method to compare references, is the easiest way
	if err == plumbing.ErrReferenceNotFound || r.String() != p.String() {
		if err := s.CheckAndSetReference(r, old); err != nil {
			return false, err
		}

		return true, nil
	}

	return false, nil
}

func updateReferenceStorerIfNeeded(
	s storer.ReferenceStorer, r *plumbing.Reference) (updated bool, err error) {