refs: mark `ref_transaction_update_reflog()` as static

The `ref_transaction_update_reflog()` function is only used within
'refs.c', so mark it as static.

Reported-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 15 insertions, 7 deletions

diff --git a/refs.c b/refs.c
index f7b6f0f897..ad6d774717 100644
--- a/refs.c
+++ b/refs.c
@@ -1318,13 +1318,21 @@ int ref_transaction_update(struct ref_transaction *transaction,
 	return 0;
 }
 
-int ref_transaction_update_reflog(struct ref_transaction *transaction,
-				  const char *refname,
-				  const struct object_id *new_oid,
-				  const struct object_id *old_oid,
-				  const char *committer_info, unsigned int flags,
-				  const char *msg, unsigned int index,
-				  struct strbuf *err)
+/*
+ * Similar to`ref_transaction_update`, but this function is only for adding
+ * a reflog update. Supports providing custom committer information. The index
+ * field can be utiltized to order updates as desired. When not used, the
+ * updates default to being ordered by refname.
+ */
+static int ref_transaction_update_reflog(struct ref_transaction *transaction,
+					 const char *refname,
+					 const struct object_id *new_oid,
+					 const struct object_id *old_oid,
+					 const char *committer_info,
+					 unsigned int flags,
+					 const char *msg,
+					 unsigned int index,
+					 struct strbuf *err)
 {
 	struct ref_update *update;