[Libosinfo] [PATCH osinfo-db] freebsd: add FreeBSD 10.4 info

[Christophe Fergeau]

Hey,

I just pushed your 2 patches unchanged given that use of derives-from is
fairly wide-spread and not limited to your patch.

Christophe

On Thu, Oct 19, 2017 at 08:31:05AM +0400, Roman Bogorodskiy wrote:
>   Christophe Fergeau wrote:
> 
> > On Wed, Oct 18, 2017 at 10:05:36AM +0400, Roman Bogorodskiy wrote:
> > > This sounds reasonable to me. Should we also drop 'derives-from' from
> > > the previous releases' entries?
> > 
> > Hmm, git grep'ping, derives-from is used all over the place ;) One thing
> > I don't know for sure is whether it should be used for major upgrades
> > (RHEL 6 to RHEL 7, or Fedora 21 to 22).
> > 
> > > Also, thinking about it, I'm not sure about one thing regarding
> > > 'upgrades': FreeBSD supports multiple major versions in parallel.
> > > 
> > > For example it could be this way:
> > > 
> > > 10.3 -> 10.4
> > >  | 
> > > 11.0 -> 11.1 -> ... -> 11.X
> > > 
> > > So 10.4 will become a dead end because there'll be no entries that
> > > refer it in <upgrades> (e.g. 11.X will refer 11.(X-1)). What's the right
> > > way to handle that?
> > 
> > I don't know how much it is documented that 11.0 upgrades 10.3 and not
> > 10.4? Is it just this way because we added to the database first 10.3,
> > then 11.0, and finally 10.4? Or are there stronger requirements?
> 
> Yeah, it's this way because 11.0 goes before 10.4.
> 
> > Most of the times, things are this way in the database because of the
> > timing of additions, if 11.0 was added later than 10.4, 11.0 would be
> > marked as upgrading 10.4 rather than 10.3.
> > So it might make sense to update the 11.0 entry to refer to 10.4 if
> > needed. However, I don't think a lot of things are looking into these
> > upgrades/derives links. Maybe libosinfo follows them for device support(
> > I always forget ;) And it probably does not matter too much to have dead
> > ends.
> 
> Ok, so let it be as it is now.
> 
> Roman Bogorodskiy



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