Re: [gentoo-user] emerge --newuse misses package that new USE affects

[Richard Fish <bigfish@asmallpond.org>]

On 11/25/05, Holly Bostick <motub@planet.nl> wrote:
> The idea of having the temporary setting invisibly add a permanent
> setting seems cool, but undermines both the function of the temporary
> setting (since it's no longer truly temporary), and the function of the
> permanent setting (since you have not explicitly made the setting, you
> may or may not want it set), and what about dependencies?

Yes, I think the dependancy issue alone makes this an unworkable idea.
 There is a big difference between

ACCEPT_KEYWORDS=~x86 emerge <pkg>

and

echo "<pkg> ~x86" >> /etc/portage/package.keywords
emerge <pkg>

This is because the first will allow ~x86 for <pkg> and all of its
dependancies, while the second only allows ~x86 for <pkg> (you would
have to add additional entries for masked dependancies).

IMO, the ACCEPT_KEYWORDS environment variable should only be used in
combination with --pretend, where it can be used to give a list of the
packages that you (might) need to add to package.keywords.

Besides, Portage is designed to explicity allow environment variables
to override configuration file settings, whether that be
/etc/make.conf or /etc/portage/*.  Modifying any configuration files
based on environment variables would do away with the entire point of
supporting the environment variables to begin with.

-Richard

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