On Wed, 2019-04-10 at 20:40 +0000, Geoffrey Ekman wrote:
> Hi ,
> 
> Apologies if I'm a bit confused here.
> 
> modify them into a self-sustainable ecosystem where users work
> together on new packages (only those not in Gentoo are allowed)
> 
> > So anything already not in the main repository?

Yes.  Well, not 'anything anything' but as long as it can be legally
included and is not totally destructive to the user, it should be fine.

> If you are interested in using GURU on your system, it is available
> on the repository roster as 'guru'.
> 
> > Are there any specific build requirements there? Arch or otherwise ?
> 

Same as any other repo, depends on the package in question.  Most likely
the majority will be only tested only on amd64 but you are free to try
and keyword for other arches.

Also note that everything goes to ~arch, there are no stable keywords.

-- 
Best regards,
Michał Górny