[PATCH v6 12/27] refs: rename lookup_ref_store() to lookup_submodule_ref_store()

[Nguyễn Thái Ngọc Duy]

With get_main_ref_store() being used inside get_ref_store(),
lookup_ref_store() is only used for submodule code path. Rename to
reflect that and delete dead code.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
---
 refs.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/refs.c b/refs.c
index 2637353b72..818d9f0ce9 100644
--- a/refs.c
+++ b/refs.c
@@ -1395,17 +1395,13 @@ static struct ref_store *main_ref_store;
 static struct hashmap submodule_ref_stores;
 
 /*
- * Return the ref_store instance for the specified submodule (or the
- * main repository if submodule is NULL). If that ref_store hasn't
- * been initialized yet, return NULL.
+ * Return the ref_store instance for the specified submodule. If that
+ * ref_store hasn't been initialized yet, return NULL.
  */
-static struct ref_store *lookup_ref_store(const char *submodule)
+static struct ref_store *lookup_submodule_ref_store(const char *submodule)
 {
        struct submodule_hash_entry *entry;
 
-       if (!submodule)
-               return main_ref_store;
-
        if (!submodule_ref_stores.tablesize)
                /* It's initialized on demand in register_ref_store(). */
                return NULL;
@@ -1474,7 +1470,7 @@ struct ref_store *get_ref_store(const char *submodule)
        if (!submodule || !*submodule) {
                return get_main_ref_store();
        } else {
-               refs = lookup_ref_store(submodule);
+               refs = lookup_submodule_ref_store(submodule);
 
                if (!refs) {
                        struct strbuf submodule_sb = STRBUF_INIT;
@@ -1485,7 +1481,6 @@ struct ref_store *get_ref_store(const char *submodule)
                        strbuf_release(&submodule_sb);
                }
        }
-
        return refs;
 }
 
-- 
2.11.0.157.gd943d85