1 files changed, 8 insertions, 0 deletions
diff --git a/refs.h b/refs.h
index f29e486e33..4e6bd63aa8 100644
--- a/refs.h
+++ b/refs.h
@@ -31,6 +31,8 @@ enum ref_transaction_error {
 	REF_TRANSACTION_ERROR_INVALID_NEW_VALUE = -6,
 	/* Expected ref to be symref, but is a regular ref */
 	REF_TRANSACTION_ERROR_EXPECTED_SYMREF = -7,
+	/* Cannot create ref due to case-insensitive filesystem */
+	REF_TRANSACTION_ERROR_CASE_CONFLICT = -8,
 };
 
 /*
@@ -481,6 +483,12 @@ struct pack_refs_opts {
 int refs_pack_refs(struct ref_store *refs, struct pack_refs_opts *opts);
 
 /*
+ * Optimize the ref store. The exact behavior is up to the backend.
+ * For the files backend, this is equivalent to packing refs.
+ */
+int refs_optimize(struct ref_store *refs, struct pack_refs_opts *opts);
+
+/*
  * Setup reflog before using. Fill in err and return -1 on failure.
  */
 int refs_create_reflog(struct ref_store *refs, const char *refname,