fix-ci: backed out changeset 308e45f7b455 The chg variant of the CI see a failure on `tests/test-narrow-pull.t`. Bisecting point the failure as starting at this small changeset… Backing it out, restore the CI on default. It was never broken on stable, which is even more puzzling.

import os


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