context: extract partial nodeid lookup method to scmutil
We will add another caller soon, and there's a non-obvious reason to
use the unfiltered repo that we don't want to copy across the code
base.
Differential Revision: https://phab.mercurial-scm.org/D3189
@echo off
powershell -NoProfile -ExecutionPolicy unrestricted -Command "& '%~dp0\editmergeps.ps1' %*"