Issue #2303323 by dww, quietone, tadityar, iyyappan.govind, vsujeetkumar, er.pushpinderrana, amitgoyal, jp.stacey, joshi.rohit100, jungle, alexpott, Berdir, Alan D.: update_delete_file_if_stale() must return a value or update_manager_file_get() will always fetch remote files