tests/crashgetbundler.py

archive: change "matcnfn" argument to a real matcher

All callers seem to be passing a real matcher, not just a function. We
were also passing it into match.subdirmatcher(), which assumes it is a
matcher.

Differential Revision: https://phab.mercurial-scm.org/D5176

from __future__ import absolute_import

from mercurial.i18n import _
from mercurial import (
        changegroup,
        error,
        extensions
    )

def abort(orig, *args, **kwargs):
    raise error.Abort(_('this is an exercise'))

def uisetup(ui):
    extensions.wrapfunction(changegroup, 'getbundler', abort)