db: check cache only if some repositories are enabled

src/database.c

@@ -1706,7 +1706,7 @@ int apk_db_open(struct apk_database *db, struct apk_db_options *dbopts)
 		apk_hash_foreach(&db->available.names, apk_db_name_rdepends, db);
 	}
 
-	if (apk_db_cache_active(db))
+	if (apk_db_cache_active(db) && (dbopts->open_flags & (APK_OPENF_NO_REPOS|APK_OPENF_NO_INSTALLED)) == 0)
 		apk_db_cache_foreach_item(db, mark_in_cache);
 
 	db->open_complete = 1;