overlayworkginctx: implement a setparents() to mirror dirstate.setparents()
This lets us make the in-memory and on-disk code a bit more
similar. I'll soon also implement setparents() on the regular
workingctx.
Differential Revision: https://phab.mercurial-scm.org/D7822
# __init__.py - Startup and module loading logic for Mercurial.
#
# Copyright 2015 Gregory Szorc <gregory.szorc@gmail.com>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
from __future__ import absolute_import
# Allow 'from mercurial import demandimport' to keep working.
import hgdemandimport
demandimport = hgdemandimport