storage: Add object type hint parameter to ObjectStorage.Get. (#69)

Some storage backends can optimize object lookup if they get
the object type that is expected. So we the signature of the Get
method is now Get(Hash, ObjectType).

Added generic tests for storage backends.

1 files changed, 1 insertions, 1 deletions

diff --git a/remote.go b/remote.go
index f918f3d..3af713b 100644
--- a/remote.go
+++ b/remote.go
@@ -123,7 +123,7 @@ func (r *Remote) getWantedReferences(spec []config.RefSpec) ([]*core.Reference,
 			return nil
 		}
 
-		_, err := r.s.ObjectStorage().Get(ref.Hash())
+		_, err := r.s.ObjectStorage().Get(ref.Hash(), core.CommitObject)
 		if err == core.ErrObjectNotFound {
 			refs = append(refs, ref)
 			return nil