Re: [gentoo-dev] punting the use.defaults feature

[Marius Mauch <genone@gentoo.org>]

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On Mon, 21 Nov 2005 00:06:38 +0100
Thomas de Grenier de Latour <degrenier@easyconnect.fr> wrote:

> On Sun, 20 Nov 2005 23:23:19 +0100
> "Spider (D.m.D. Lj.)" <spider@gentoo.org> wrote:
> 
> > On Sun, 2005-11-20 at 11:55 -0800, Michael Marineau wrote:
> > 
> > > For users who do like the functionality just properly document
> > > the existance of USE_ORDER in the install guide.
> > 
> > However, I'd -also- want the IUSE="+auto -bongodrums alpha beta
> > +zeta"  to be set, perhaps with a new USE_ORDER variable
> > ":ebuild:" ?  
> 
> Imho, that's the problem with documenting USE_ORDER (although
> it's a minor one): if a user set USE_ORDER="env:pkg:conf:defaults"
> in his make.conf and a later version of portage introduces some new
> interesting value, he will miss this new feature without noticing.
> 
> Since it seems that the common usage of user-defined USE_ORDER is
> to remove values, but not actually to change their priorities
> (probably because the default ones are the only ones which really
> make sense), i would rather see a split in two distinct vars:
>  - FOO (i'm not good to invent names) would be portage internal
> and define valid values and their respective priorities.
>  - BAR would be accessible to the users as an incremental var, and
> would define what values should be taken into account.
> 
> FOO default would be "env:pkg:conf:auto:defaults".
> BAR default would be "auto conf default env pkg".
> 
> This way, users could set BAR="-auto" in make.conf, which would
> really mean "take all of the default USE_ORDER but the auto thing".
> And the day "ebuild" or any other new feature is implemented, this
> user will have it automatically (just like he would get any new
> enabled-by-default FEATURES flag for instance).

Personally I'd just kill auto-use support in the next "big" portage
upgrade (and USE_ORDER with it as disabling auto-use is the only
real application of it that I'm aware of).

Marius

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