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Bug#968508: blender-data: Please only recommend blender instead of python3



On Sun, Aug 16, 2020 at 06:07:11PM +0200, Jonas Smedegaard wrote:
> Quoting Elrond (2020-08-16 17:47:17)
> > On Sun, Aug 16, 2020 at 17:35:32 +0200, Jonas Smedegaard wrote:
> > > Quoting Elrond (2020-08-16 17:16:26)
> > [...]
> > > > Installing blender-data alone doesn't make much sense. It
> > > > is most useful with the blender package.
> > > > So, please:
> > > >         Recommends: blender (= ${source:Version})
> > > > Don't use "Depends", because that would introduce a
> > > > circular dependency. Which is not good.
> > > 
> > > Package relations are directional.  Since blender-data cannot use 
> > > blender for anything (data does not use apps - apps uses their data), it 
> > > is correct for blender-data to not depend on or recommend blender.
> > 
> > Well, would a Suggests make sense then?
> > So that you know, which "app" is best to use, when looking
> > at that package?
> 
> No: blends-data is data for blends to use (not data that uses blends).
> 
> It's a directional relationship: blends need its data - blends data does 
> not "need" blends, ever - not always (depends) and not mostly 
> (recommends) but also not occationally (suggests).  Instead, blends data 
> is _consumed_ by blends, i.e. gets processed by blends.

Despite not really used by any frontend that I'm aware of, IMHO the
correct relationship would be "Enhances".  But, really, it's useless.
My reading and understanding of "Enhances" is that it's the same kind of
relationship but in the opposite verse of "Suggests".


-- 
regards,
                        Mattia Rizzolo

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