[Libosinfo] [osinfo-db PATCH] centos7: Remove "upgrades" field

[Fabiano Fidêncio]

On Wed, 2019-01-09 at 11:00 +0100, Fabiano Fidêncio wrote:
> On Wed, 2019-01-09 at 09:54 +0000, Daniel P. Berrangé wrote:
> > On Fri, Jan 04, 2019 at 01:39:50PM +0100, Fabiano Fidêncio wrote:
> > > After a conversation with Fabian Arrotin, from CentOS project,
> > > I've
> > > learned that there's no supported upgrade from CentOS 6 to
> > > CentOS7.
> > > 
> > > Knowing that, let's just drop the "upgrades" field from centos7
> > > entry.
> > 
> > The <upgrades> feature was not indicating whether the upgrade path
> > is "supported" or not.  It is indicating that this release is
> > considered a newer version than the listed version.  This allows
> > applications to order releases, and will apply inheritance of
> > settings.
> > 
> > In addition, even if CentOS doesn't consider in-place upgrades
> > supported,
> > they are still possible.
> > 
> > So I don't think removing this is right.
> 
> Okay, I'll revert this patch.

Just one note, inheritance (as it's implemented nowadays) applies in
case of cloning/deriving from, not in case up "upgrading". If
"upgrading" should be taken into consideration, we'd need to change our
code.

Best Regards,
-- 
Fabiano Fidêncio