Currernt config hook implementation scales very badly

[Oliver Grawert]

hi,
On Di, 2017-02-14 at 09:23 -0300, Sergio Schvezov wrote:
> El martes, 14 de febrero de 2017 07h'08:33 ART, Oliver Grawert 
> <ogra at ubuntu.com> escribió:
> > 
> > hi,
> > Am Dienstag, den 14.02.2017, 17:59 +0800 schrieb XiaoGuo Liu:
> > > 
> > > 
> > > I think the problem could be that the stable channel does not
> > > support
> > > it.
> > > 
> > yes, this is definitely the case, this was not released to stable
> > yet,
> > the next stable release will have it. 
> 
> On the snapcraft side we have started the practice of annotating the 
> version the documented item was introduced in. I guess it would be
> good to 
> update the documentation in the snapd wiki to have this. Might tie in
> with 
> `assumes` rather nicely.
> 
well, the problem here is that such a feature spans across many
different places, while snapd 2.22 has the interface support (which is
actually pointed out in the docs), the additional support bits in the
system might need to land in the different packages first and then as a
last step in the configure hook. 

since we also dont have a generic core revision number for all arches
by design it would become quite a table to maintain for each single
config option. perhaps just a date stamp might work "this feature is
available in the stable core snap released on: ..."

ciao
	oli
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