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Subject: Re: [gentoo-user] Can I exclude a package from --depclean's 
	consideration?
From: Paul Hartman <paul.hartman+gentoo@gmail.com>
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On Thu, Jun 11, 2009 at 11:45 AM, Mike Kazantsev<mk.fraggod@gmail.com> wrote:
>> So, my question: Is there a way to tell depclean to never remove *any*
>> version of gentoo-sources?
>
> That's where portage-2.2 sets find another use.
> Just add following set to /usr/share/portage/config/sets.conf:
>
>  [kernels]
>  class = portage.sets.dbapi.OwnerSet
>  world-candidate = False
>  files = /usr/src
>
> And append "@kernels" line to /var/lib/portage/world_sets
> Now any installed (even with -1) kernel should be safe from ravenous
> depclean.

Perfect! It does exactly what I wanted. I created sets.conf in
/etc/portage/ as Boris pointed out.

Thank you very much for your help!