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To: gentoo-dev@g.o
From: Zac Medico <zmedico@g.o>
Subject: Re: About forcing rebuilds of other packages issue
Date: Wed, 06 Jun 2012 02:30:27 -0700
On 06/06/2012 02:10 AM, Pacho Ramos wrote:
> El mié, 06-06-2012 a las 01:54 -0700, Zac Medico escribió:
> On 06/06/2012 01:46 AM, Pacho Ramos wrote:
>>>> El mar, 05-06-2012 a las 19:18 -0700, Zac Medico escribió:
>>>>> On 06/05/2012 05:51 PM, Michael Weber wrote:
>>>>>> Is there any chance to detect this ZLIB_VERSION problem with 
>>>>>> revdep-rebuild (worst case: add a list of possibly broken
>>>>>> packages with tests)?
>>>>>
>>>>> I'd suggest a special ebuild phase to check for ABI changes, like
>>>>> the pre_pkg_preinst_abi_check phase suggested here:
>>>>>
>>>>> https://bugs.gentoo.org/show_bug.cgi?id=192319#c20
>>>>
>>>> I guess, that phase would detect ABI change and package manager
>>>> would know how to handle it by itself?
> 
> Yeah, it would be like a warning system, do detect cases when the
> SLOT/ABI_SLOT were not bumped when they should have been. The idea is
> that the developer who's doing the version bump will see the warning
> and bump the SLOT/ABI_SLOT before committing the ebuild.
>>
>>
> 
> And once we bump SLOT/ABI_SLOT, package manager would know about how to
> handle that situation and rebuild needed stuff? 

Right, as long as the reverse dependencies use the := "SLOT operator"
like they're supposed to. That's how they let the package manager know
that they'll need to be rebuilt when the ABI changes.

> If we use SLOT only, I guess we would need to allow (or make more
> common) pulling multiple slot but all of them mutually exclusive no?

Yeah, blockers are already used like this sometimes, like for
google-chrome which has mutually exclusive stable, beta, and unstable SLOTs.

> I
> have no problem with that of course, but I thought it wasn't "desired"
> in general.

Well, we can always introduce a separate ABI_SLOT variable in a later
EAPI, if we want.
-- 
Thanks,
Zac


References:
[gentoo-portage-dev] About forcing rebuilds of other packages issue
-- Pacho Ramos
Re: [gentoo-portage-dev] About forcing rebuilds of other packages issue
-- Aaron W. Swenson
Re: [gentoo-portage-dev] About forcing rebuilds of other packages issue
-- Michael Weber
Re: [gentoo-portage-dev] About forcing rebuilds of other packages issue
-- Zac Medico
Re: [gentoo-portage-dev] About forcing rebuilds of other packages issue
-- Pacho Ramos
Re: [gentoo-portage-dev] About forcing rebuilds of other packages issue
-- Zac Medico
Re: About forcing rebuilds of other packages issue
-- Pacho Ramos
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Updated Jun 29, 2012

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