tests/helper-killhook.py

changelog: also monitor `00changelog.n` when applicable (issue6554)

This let the locarepo's file cache detect outdated nodemap docket and reload the
changelog after `localrepo.invalidate` when applicable.

Differential Revision: https://phab.mercurial-scm.org/D11482

import os


def killme(ui, repo, hooktype, **wkargs):
    os._exit(80)