nodemap: make `_persist_nodemap` a public function...
nodemap: make `_persist_nodemap` a public function
I will like to have a utility function using which we can directly write out
nodemap for a repository without going through the recloning process. This
function seems like the one containing important pieces for that. Let's make it
public.
Differential Revision:
https://phab.mercurial-scm.org/D9932