tests/crashgetbundler.py

largefiles: add tr backup for largefilesdirstate

This will help us in automatically restoring the largefilesdirstate if a
transaction is rolled back.

Differential Revision: https://phab.mercurial-scm.org/D11611

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)