tests/crashgetbundler.py

debugrebuilddirstate: double check that no transaction is open

Since transaction impact dirstate write, we make sure nobody is trying anything
strange with this internal command.

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)