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Date: Sat, 5 Nov 2005 07:24:49 -0600
From: Brian Harring <ferringb@gentoo.org>
To: gentoo-dev@lists.gentoo.org
Subject: Re: [gentoo-dev] GLEP 42 "Critical News Reporting" Round Two
Message-ID: <20051105132449.GA25194@nightcrawler>
References: <20051105005814.0de0d8ff@snowdrop.home> <200511052218.14564.jstubbs@gentoo.org>
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On Sat, Nov 05, 2005 at 10:18:14PM +0900, Jason Stubbs wrote:
> > ``Display-If-Installed:``
> > =C2=A0 =C2=A0 A dependency atom or simple package name (for example,
> > =C2=A0 =C2=A0 ``<dev-lang/php-5_alpha`` or ``net-www/apache``). If the =
user has the
> > =C2=A0 =C2=A0 package specified installed, the news item should be disp=
layed.
> >=20
> > ``Display-If-Keyword:``
> > =C2=A0 =C2=A0 A keyword [#glep-22]_ name, for example ``mips``. If the =
user is on the=20
> > =C2=A0 =C2=A0 arch in question, the news item should be displayed.
> >
> > ``Display-If-Profile:``
> > =C2=A0 =C2=A0 A profile path, for example ``default-linux/sparc/sparc64=
/server``. If=20
> > =C2=A0 =C2=A0 the user is using the exact profile in question, the news=
 item should be
> > =C2=A0 =C2=A0 displayed. This header may be used to replace ``deprecate=
d`` files in=20
> > =C2=A0 =C2=A0 the future.
>=20
> Isn't keyword just a generalization of profile? Why have both?
You would have to specify a common subprofile, and have the code know=20
to dig through the ancestors of a profile.

Breaks down when dealing with profiles that lack a common base=20
(conversion from flat profiles to cascaded for example).

~harring

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