[PATCH 1 of 7 V4] revbranchcache: add a public function to update the data

[Yuya Nishihara]

On Fri, 16 Mar 2018 12:29:33 +0100, Boris Feld wrote:
> # HG changeset patch
> # User Boris Feld <boris.feld at octobus.net>
> # Date 1516281665 -3600
> #      Thu Jan 18 14:21:05 2018 +0100
> # Node ID 695dfd0f5d9849a7f0b81e623dbdb1befdca63c9
> # Parent  c978ffef167e8c5d343c3cca1ebf23f1082c3c09
> # EXP-Topic wire-rbc
> # Available At https://bitbucket.org/octobus/mercurial-devel/
> #              hg pull https://bitbucket.org/octobus/mercurial-devel/ -r 695dfd0f5d98
> revbranchcache: add a public function to update the data

Queued per the last review of V2, thanks.