[PATCH v5 09/24] refs.c: introduce get_main_ref_store()

[Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 refs.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/refs.c b/refs.c
index 81b64b4ed..dab1a21ac 100644
--- a/refs.c
+++ b/refs.c
@@ -1456,15 +1456,23 @@ static struct ref_store *ref_store_init(const char *submodule)
 	return refs;
 }
 
+static struct ref_store *get_main_ref_store(void)
+{
+	struct ref_store *refs;
+
+	if (main_ref_store)
+		return main_ref_store;
+
+	refs = ref_store_init(NULL);
+	return refs;
+}
+
 struct ref_store *get_ref_store(const char *submodule)
 {
 	struct ref_store *refs;
 
 	if (!submodule || !*submodule) {
-		refs = lookup_ref_store(NULL);
-
-		if (!refs)
-			refs = ref_store_init(NULL);
+		return get_main_ref_store();
 	} else {
 		refs = lookup_ref_store(submodule);
 
-- 
2.11.0.157.gd943d85