From 24c8407e0aab839a2de57573fd6dd6320f172af3 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Nguy=E1=BB=85n=20Th=C3=A1i=20Ng=E1=BB=8Dc=20Duy?=
 <pclouds@gmail.com>
Date: Sun, 26 Mar 2017 09:42:25 +0700
Subject: [PATCH] refs.c: introduce get_main_ref_store()
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 refs.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/refs.c b/refs.c
index e7606716d..8aa33af4e 100644
--- a/refs.c
+++ b/refs.c
@@ -1456,15 +1456,20 @@ static struct ref_store *ref_store_init(const char *submodule)
 	return refs;
 }
 
+static struct ref_store *get_main_ref_store(void)
+{
+	if (main_ref_store)
+		return main_ref_store;
+
+	return ref_store_init(NULL);
+}
+
 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