repack_without_refs(): take a `packed_ref_store *` parameter

It only cares about the packed-refs part of the reference store.
Signed-off-by: NMichael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: NJunio C Hamano <gitster@pobox.com>

refs/files-backend.c

@@ -1621,19 +1621,19 @@ static int files_pack_refs(struct ref_store *ref_store, unsigned int flags)
  *
  * The refs in 'refnames' needn't be sorted. `err` must not be NULL.
  */
-static int repack_without_refs(struct files_ref_store *refs,
+static int repack_without_refs(struct packed_ref_store *refs,
 			       struct string_list *refnames, struct strbuf *err)
 {
 	struct ref_dir *packed;
 	struct string_list_item *refname;
 	int ret, needs_repacking = 0, removed = 0;
 
-	files_assert_main_repository(refs, "repack_without_refs");
+	packed_assert_main_repository(refs, "repack_without_refs");
 	assert(err);
 
 	/* Look for a packed ref */
 	for_each_string_list_item(refname, refnames) {
-		if (get_packed_ref(refs->packed_ref_store, refname->string)) {
+		if (get_packed_ref(refs, refname->string)) {
 			needs_repacking = 1;
 			break;
 		}
@@ -1643,11 +1643,11 @@ static int repack_without_refs(struct files_ref_store *refs,
 	if (!needs_repacking)
 		return 0; /* no refname exists in packed refs */
 
-	if (lock_packed_refs(refs->packed_ref_store, 0)) {
-		unable_to_lock_message(refs->packed_ref_store->path, errno, err);
+	if (lock_packed_refs(refs, 0)) {
+		unable_to_lock_message(refs->path, errno, err);
 		return -1;
 	}
-	packed = get_packed_refs(refs->packed_ref_store);
+	packed = get_packed_refs(refs);
 
 	/* Remove refnames from the cache */
 	for_each_string_list_item(refname, refnames)
@@ -1658,12 +1658,12 @@ static int repack_without_refs(struct files_ref_store *refs,
 		 * All packed entries disappeared while we were
 		 * acquiring the lock.
 		 */
-		rollback_packed_refs(refs->packed_ref_store);
+		rollback_packed_refs(refs);
 		return 0;
 	}
 
 	/* Write what remains */
-	ret = commit_packed_refs(refs->packed_ref_store);
+	ret = commit_packed_refs(refs);
 	if (ret)
 		strbuf_addf(err, "unable to overwrite old ref-pack file: %s",
 			    strerror(errno));
@@ -1681,7 +1681,7 @@ static int files_delete_refs(struct ref_store *ref_store, const char *msg,
 	if (!refnames->nr)
 		return 0;
 
-	result = repack_without_refs(refs, refnames, &err);
+	result = repack_without_refs(refs->packed_ref_store, refnames, &err);
 	if (result) {
 		/*
 		 * If we failed to rewrite the packed-refs file, then
@@ -3101,7 +3101,7 @@ static int files_transaction_finish(struct ref_store *ref_store,
 		}
 	}
 
-	if (repack_without_refs(refs, &refs_to_delete, err)) {
+	if (repack_without_refs(refs->packed_ref_store, &refs_to_delete, err)) {
 		ret = TRANSACTION_GENERIC_ERROR;
 		goto cleanup;
 	}