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List:       fedora-devel-list
Subject:    Re: Proposal: Rethink Fedora multilib support (Take Two!)
From:       drago01 <drago01 () gmail ! com>
Date:       2017-01-06 13:45:15
Message-ID: CAMqY-FdOSVyePz22ax5o5Ufjd=8CJnxjnwAJOZR62EyPNCjitA () mail ! gmail ! com
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On Fri, Jan 6, 2017 at 2:24 PM, Stephen Gallagher <sgallagh@redhat.com> wrote:
> On 01/06/2017 08:07 AM, drago01 wrote:
>> On Fri, Jan 6, 2017 at 1:58 PM, Stephen Gallagher <sgallagh@redhat.com> wrote:
>>> On 01/06/2017 01:08 AM, drago01 wrote:
>>>>
>>>>     Two suggestions were raised as alternatives to the container approach:
>>>>
>>>>     * Switch to using the Debian style of multi-arch layout, which instead of
>>>>     /usr/lib and /usr/lib64 uses /usr/lib/$ARCH-linux-gnu. Benefits to this would
>>>>     include the emergence of a de-facto standard for system layout between the major
>>>>     distributions.
>>>>
>>>>     * Ship only one arch in the repositories and allow users to trivially enable the
>>>>     repositories for other arches through DNF if they have need.
>>>>
>>>>
>>>>
>>>> *  Keep things as they are, which means things keep to "just work" (tm)
>>>
>>> As Bill pointed out, things "just work" for users right now and that's something
>>> we'd like to avoid breaking. However, that does *not* mean that it is trivial to
>>> do on the build side.
>>
>> That may be, but shifting the complexity to the user is simply not an
>> option that we should seriously consider.
>
> You keep saying that, without describing what complexity you think is going to
> hit the user.

Having to configure / setup / handle containers to run regular
application is added complexity compared to simply running the
applications.
I think we both agree here because it is obvious ;)

> I mean, if we shifted to the two-repo approach and shipped the
> multi-arch repo as on-by-default, would the user experience change in any
> visible way?

Not to the same extent as the container solution but yes it would.
Multilib is not about just having a repo with every single package as
32bti version.
It is mostly libraries + a few selected ones.
As others have pointed you could accidentally get mixed packages
because out of sync repositories. + Minor annoyances like additional
(duplicated)
meta data that you have to deal with (bandwidth, time to install
packages / updates).
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