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-rw-r--r--plumbing/storer/reference.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/plumbing/storer/reference.go b/plumbing/storer/reference.go
index 5c21f23..50e5886 100644
--- a/plumbing/storer/reference.go
+++ b/plumbing/storer/reference.go
@@ -16,6 +16,7 @@ var ErrMaxResolveRecursion = errors.New("max. recursion level reached")
// ReferenceStorer is a generic storage of references.
type ReferenceStorer interface {
SetReference(*plumbing.Reference) error
+ CheckAndSetReference(new, old *plumbing.Reference) error
Reference(plumbing.ReferenceName) (*plumbing.Reference, error)
IterReferences() (ReferenceIter, error)
RemoveReference(plumbing.ReferenceName) error