[PATCH 09 of 10] shelve: use the internal phase when possible

[Augie Fackler]

> On Aug 29, 2018, at 12:30 PM, Boris Feld <boris.feld at octobus.net> wrote:
> 
> # HG changeset patch
> # User Boris Feld <boris.feld at octobus.net>
> # Date 1527588738 -7200
> #      Tue May 29 12:12:18 2018 +0200
> # Node ID ccb9572516145a1b6f11a8d199c4a7da4774898b
> # Parent  5726fcca7837180c0f25ed345236625797725aa5
> # EXP-Topic internal-phase.shelve
> # Available At https://bitbucket.org/octobus/mercurial-devel/
> #              hg pull https://bitbucket.org/octobus/mercurial-devel/ -r ccb957251614
> shelve: use the internal phase when possible

The next patch got me to thinking: shouldn’t we only enable this if rebase will use obsmarkers instead of strip?

Patches 4-8 are queued, with a few typo fixes in flight.