tests/crashgetbundler.py

subrepo: extract preprocess of repo.commit() to free function

No code change other than extracting a function. Maybe we should stop mutating
the status argument, but that's out of the scope of stable changes.

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)