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From: Mike Gilbert <floppym@gentoo.org>
Date: Fri, 6 Nov 2015 18:35:54 -0500
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Subject: Re: [gentoo-portage-dev] gentoolkit.git repository reorganized
To: gentoo-portage-dev@lists.gentoo.org
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On Fri, Oct 30, 2015 at 1:39 AM, Micha=C5=82 G=C3=B3rny <mgorny@gentoo.org>=
wrote:
> On Thu, 29 Oct 2015 21:06:33 -0700
> Brian Dolbec <dolsen@gentoo.org> wrote:
>
>> On Thu, 29 Oct 2015 17:37:26 -0400
>> Mike Frysinger <vapier@gentoo.org> wrote:
>>
>> > On 22 Oct 2015 12:54, Paul Varner wrote:
>> > > Mike, I know you're busy with other stuff, but if you ever want to
>> > > see a new gentoolkit/gentoolkit-dev release, consider this your
>> > > authorization to just do it. The README.dev files state how to
>> > > make releases.
>> >
>> > thanks, i think this will help a lot
>> >
>> > > Since, the tools have dwindled down in gentoolkit-dev, I do think it
>> > > does make sense to keep it in the same repo and merge the packages
>> > > together behind a USE flag. I will revert the commit, that emptied
>> > > the genttolkit-dev branch and ask mgorny to nuke the new
>> > > gentoolkit-dev repository.
>> > >
>> > > As I get time, I will work towards moving the gentoolkit-dev tools
>> > > into gentoolkit and putting them behind a USE flag in the ebuild.
>> >
>> > i'm no distutils expert, and every time i try to do something "fancy",
>> > i get frustrated by the module :). do people know of examples where
>> > you can do optional installs with a flag ? a cookbook sort of entry
>> > here would help and i could take care of merging in say ekeyword.
>> > -mike
>>
>> Have a look at layman's setup.py. It parses IUSE to set the installed
>> files via setup.py. It may not be the best method, but it does work.
>>
>> The layman ebuild sets deps acording to the ISUE flags and setup.py
>> sets the installed modules on the python side.
>
> Sorry, what?! That's a huge QA violation. There is *NO* guarantee that
> USE will be exported. In fact, it is only exported because of poor
> design inside Portage that could result in the variable getting lost
> otherwise.
PMS says that USE will be exported to the environment. So, this should
not break with any PMS-compliant package manager.
Personally, it makes me cringe, but I suppose it doesn't make a lot of
sense to invent an entirely new envvar for it.