rebase: pass in ctx, not rev, to conclude[memory]node()
They both need it and there's no locking that might make the results
different, so let's do it in one place. This also lets us move out
more common code in the following patches.
Differential Revision: https://phab.mercurial-scm.org/D2915
@echo off
rem launch hg.exe from parent folder
"%~dp0\..\hg.exe" %*