refs.c: add refs_ref_exists()

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Nguyễn Thái Ngọc Duy committed Apr 6, 2019 at 18:34 UTC b3cd33d0792768f3a45bed850fbc884fb499388d
1 file changed +6 -1
refs.c
+6 -1
@@ -241,9 +241,14 @@ int read_ref(const char *refname, struct object_id *oid)
241 return read_ref_full(refname, RESOLVE_REF_READING, oid, NULL);
242 }
243
244 +static int refs_ref_exists(struct ref_store *refs, const char *refname)
245 +{
246 + return !!refs_resolve_ref_unsafe(refs, refname, RESOLVE_REF_READING, NULL, NULL);
247 +}
248 +
249 int ref_exists(const char *refname)
250 {
246 - return !!resolve_ref_unsafe(refname, RESOLVE_REF_READING, NULL, NULL);
251 + return refs_ref_exists(get_main_ref_store(the_repository), refname);
252 }
253
254 static int match_ref_pattern(const char *refname,