diff options
Diffstat (limited to 'plumbing/storer/reference.go')
-rw-r--r-- | plumbing/storer/reference.go | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/plumbing/storer/reference.go b/plumbing/storer/reference.go index 988c784..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 @@ -121,7 +126,7 @@ func (iter *ReferenceSliceIter) Next() (*plumbing.Reference, error) { } // ForEach call the cb function for each reference contained on this iter until -// an error happends or the end of the iter is reached. If ErrStop is sent +// an error happens or the end of the iter is reached. If ErrStop is sent // the iteration is stop but no error is returned. The iterator is closed. func (iter *ReferenceSliceIter) ForEach(cb func(*plumbing.Reference) error) error { defer iter.Close() |