Extract a function clear_cached_refs()

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/refs.c b/refs.c
index 3a8789d3857d17a3a0a94ba2750e9f22857b8667..9dc25c3984236a7d661cb4d58d6ef619ebac0f3a 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -171,10 +171,8 @@ static void free_ref_list(struct ref_list *list)
        }
 }
 
-static void invalidate_cached_refs(void)
+static void clear_cached_refs(struct cached_refs *ca)
 {
-       struct cached_refs *ca = &cached_refs;
-
        if (ca->did_loose && ca->loose)
                free_ref_list(ca->loose);
        if (ca->did_packed && ca->packed)
@@ -183,6 +181,11 @@ static void invalidate_cached_refs(void)
        ca->did_loose = ca->did_packed = 0;
 }
 
+static void invalidate_cached_refs(void)
+{
+       clear_cached_refs(&cached_refs);
+}
+
 static void read_packed_refs(FILE *f, struct cached_refs *cached_refs)
 {
        struct ref_list *list = NULL;