[gentoo-dev] Re: Improved ebuild information

[R Hill <dirtyepic.sk@gmail.com>]

Chris Gianelloni wrote:

> Here's my question... use.local.desc is already package-specific, so why
> would we need yet *another* place to put package-specific definitions?
> Would it not be enough to have use.local.desc overlay on use.desc?  If
> package foo uses global USE flag bar in a way different from the
> description in use.desc, then it should list the USE flag in
> use.local.desc with the correct description for that package.

That's another good idea, and i think it could produce the same results. 
  The only downside I can think of is that use.local.desc wouldn't allow 
for version-specific flags.  But 'equery uses' already solves this as it 
only displays defs for the flags in the IUSE of the ebuild being 
queried.  The only case not covered is if the same flag is used in two 
versions of a package to mean different things, and i don't see that 
happening.

euse is a bit different, but still not a problem.  right now it does this:

   root ~ #  euse -i mozilla
   global use flags (searching: mozilla)
   ************************************************************
   [-    ] mozilla - Adds mozilla support

   local use flags (searching: mozilla)
   ************************************************************
   no matching entries found


it could do this instead:


   root ~ #  euse -i mozilla
   global use flags (searching: mozilla)
   ************************************************************
   [-    ] mozilla - Adds mozilla support

   local use flags (searching: mozilla)
   ************************************************************
   [-    ] mozilla (app-fake/fooapp):
   builds the optional mozilla browser plugin

   [-    ] mozilla (app-fake/someotherapp):
   use embedded mozilla engine to render newsfeeds in html

   [-    ] mozilla (app-fake/yetanotherapp):
   summon giant lizard to invade Tokyo


actually i just realized this already works with euse, no changes 
necessary. :D

thoughts/suggestions/kicksinthenuts? what other than equery would need 
to be fixed to recognize the overlay?  is there anything that would 
explicitly break if a USE flag was in both use.desc and use.local.desc?

--de.

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