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Date: Wed, 06 May 2015 12:54:49 -0700
From: Zac Medico <zmedico@gentoo.org>
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Subject: Re: [gentoo-portage-dev] repos.conf location w.r.t PORTAGE_CONFIGROOT
References: <1430931268.27859.102.camel@transmode.se> <554A5F6D.5030807@gentoo.org> <1430939630.27859.113.camel@transmode.se> <1430941307.27859.116.camel@transmode.se>
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On 05/06/15 12:41, Joakim Tjernlund wrote:
> On Wed, 2015-05-06 at 19:13 +0000, Joakim Tjernlund wrote:
>> On Wed, 2015-05-06 at 11:37 -0700, Zac Medico wrote:
>>> On 05/06/15 09:54, Joakim Tjernlund wrote:
>>>> I am trying to rebuild an old cross sysroot and I got problems.
>>>> I cannot make emerge to select my old ebuilds in an overlay over those
>>>> in /usr/portage.
>>>>
>>>> What new is since last time I did this is /etc/portage/repos.conf/
>>>> I suspect emerge always reads /etc/portage/repos.conf/ no matter
>>>> what I set PORTAGE_CONFIGROOT / ROOT to ?
>>>>
>>>> Jocke
>>>>
>>>
>>> It instantiates 2 config instances, one using /etc/portage/repos.conf
>>> (for build time DEPEND) and another one using
>>> $PORTAGE_CONFIGROOT/etc/portage/repos.conf (for run time {P,R}DEPEND).
>>> You can see that it's joined with PORTAGE_CONFIGROOT in the
>>> load_repository_config function:
>>>
>>> https://gitweb.gentoo.org/proj/portage.git/tree/pym/portage/repository/config.py?id=0f191113cccd049e11fdbe
>>> 73
>>> 493eb1efbf4bf89e#n971
>>
>> I see, doesn't this prevent exactly what I want to do?
>>
>> I can't see why this should be needed, it only creates a mess, another example:
>> I tried to specify exact version of my old binutils and while that worked, portage wanted
>> to pull in a newer binutils-config from the hosts master gentoo repo and
>> thus the build failed.
>>
>> If a someone really wants this behaviour, he can just add the hosts master repo
>> in his PORTAGE_CONFIGROOT IMHO
>>
Maybe emerge --root-deps=rdeps is what you are looking for. This will
cause it to ignore DEPEND.
>
> Is there a way to make portage to prefer ebuilds from an overlay/other repo even if the master
> repo has newer versions?
>
> Jocke
>
You can use repo atoms in /etc/portage/package.mask. For example,
'sys-devel/binutils-config::gentoo', or '*/*::gentoo'.
--
Thanks,
Zac