diff options
Diffstat (limited to 'plumbing/storer/reference.go')
| -rw-r--r-- | plumbing/storer/reference.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/plumbing/storer/reference.go b/plumbing/storer/reference.go index 5c21f23..ae80a39 100644 --- a/plumbing/storer/reference.go +++ b/plumbing/storer/reference.go @@ -16,6 +16,11 @@ var ErrMaxResolveRecursion = errors.New("max. recursion level reached") // ReferenceStorer is a generic storage of references. type ReferenceStorer interface { SetReference(*plumbing.Reference) error + // CheckAndSetReference sets the reference `new`, but if `old` is + // not `nil`, it first checks that the current stored value for + // `old.Name()` matches the given reference value in `old`. If + // not, it returns an error and doesn't update `new`. + CheckAndSetReference(new, old *plumbing.Reference) error Reference(plumbing.ReferenceName) (*plumbing.Reference, error) IterReferences() (ReferenceIter, error) RemoveReference(plumbing.ReferenceName) error |