lock_raw_ref(): add a files_ref_store argument

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

diff --git a/refs/files-backend.c b/refs/files-backend.c
index af711f6f3d6c9b46387a88d21e0be70beb9ccdcd..4f4ab0fd09687f3d7919116affbb14ae8d5fa306 100644 (file)
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -1523,7 +1523,8 @@ static void unlock_ref(struct ref_lock *lock)
  *   avoided, namely if we were successfully able to read the ref
  * - Generate informative error messages in the case of failure
  */
-static int lock_raw_ref(const char *refname, int mustexist,
+static int lock_raw_ref(struct files_ref_store *refs,
+                       const char *refname, int mustexist,
                        const struct string_list *extras,
                        const struct string_list *skip,
                        struct ref_lock **lock_p,
@@ -1531,15 +1532,14 @@ static int lock_raw_ref(const char *refname, int mustexist,
                        unsigned int *type,
                        struct strbuf *err)
 {
-       struct ref_store *ref_store = get_ref_store(NULL);
-       struct files_ref_store *refs =
-               files_downcast(ref_store, 0, "lock_raw_ref");
        struct ref_lock *lock;
        struct strbuf ref_file = STRBUF_INIT;
        int attempts_remaining = 3;
        int ret = TRANSACTION_GENERIC_ERROR;
 
        assert(err);
+       assert_main_repository(&refs->base, "lock_raw_ref");
+
        *type = 0;
 
        /* First lock the file so it can't change out from under us. */
@@ -1623,7 +1623,7 @@ static int lock_raw_ref(const char *refname, int mustexist,
         * fear that its value will change.
         */
 
-       if (files_read_raw_ref(ref_store, refname,
+       if (files_read_raw_ref(&refs->base, refname,
                               lock->old_oid.hash, referent, type)) {
                if (errno == ENOENT) {
                        if (mustexist) {
@@ -3486,6 +3486,8 @@ static int lock_ref_for_update(struct ref_update *update,
                               struct string_list *affected_refnames,
                               struct strbuf *err)
 {
+       struct files_ref_store *refs =
+               get_files_ref_store(NULL, "lock_ref_for_update");
        struct strbuf referent = STRBUF_INIT;
        int mustexist = (update->flags & REF_HAVE_OLD) &&
                !is_null_sha1(update->old_sha1);
@@ -3502,7 +3504,7 @@ static int lock_ref_for_update(struct ref_update *update,
                        return ret;
        }
 
-       ret = lock_raw_ref(update->refname, mustexist,
+       ret = lock_raw_ref(refs, update->refname, mustexist,
                           affected_refnames, NULL,
                           &update->lock, &referent,
                           &update->type, err);