Re: [gentoo-dev] RFC: package.use.stable.mask

[Zac Medico]

Tomáš Chvátal wrote:
> Hi,
> lately I spoted that quite few packages have optional parts bit unstable (KDE
> parts, boinc [i wont stable it until the cuda is, i wont do the work explained
> bellow :)], kipi,...).
> I really don't like the shebang about doing -r1 and -r50 so we keep 2
> revisions where one is stableable and second is not.
> So how about having this nice file (topic), it quite self-explainable by the
> name.
> Also syntax would be same as for package.use.mask and same goes for placement

Maybe a syntax extension for IUSE would be a little nicer. For example:

  IUSE="unstable? ( foo bar )"

You could emulate this sort of extension in current EAPIs by simply
adding IUSE="unstable" and then using that flag to conditionally
disable things in *DEPEND, SRC_URI, and ebuild shell code.
-- 
Thanks,
Zac