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

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