Re: Do I need Epoch: for downgrades in rawhide?

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On Sun, Oct 15, 2017 at 4:52 PM, William Moreno
<williamjmorenor@xxxxxxxxx> wrote:
>
>
> El 15/10/2017 10:36 a. m., "Neal Gompa" <ngompa13@xxxxxxxxx> escribió:
>
> On Sun, Oct 15, 2017 at 12:09 PM, Till Hofmann
> <thofmann@xxxxxxxxxxxxxxxxx> wrote:
>> Hi all,
>>
>> if I want to downgrade a package in rawhide only (I only pushed the
>> update to rawhide), do I need to add an Epoch?
>>
>> background:
>> I updated librealsense to librealsense2 and afterwards realized that the
>> new library is a major rewrite that does not support older camera
>> models. After consulting with upstream, I came to the conclusion that we
>> should stay with version 1 for the librealsense package and submit
>> librealsense2 as a separate package. I think Debian is planning to do
>> the same thing. Therefore, I need to downgrade librealsense in rawhide
>> to version 1.
>>
>
> I would suggest that you submit librealsense1 as a separate package,
> instead. The applications that use the older versions should probably
> be linked to the older one, but things should progressively migrate to
> the newer one.
>
>
> And add Provides: librealsense2 so people can find the same package name in
> debianland and fedoraland.
>
> I have seem than the README file of *a lot* of app list requirements and
> build requeriments using the names of packages in Debian/Ubuntu and some
> times it is not trivial to find the equivalent package name for epel/fedora
>

This doesn't actually make sense to do. People should be searching for
librealsense-devel for building against, and Debian ships
librealsense-dev, so it more or less matches.

Runtime libraries are automatically picked up by the dependency
generator, so people should never need to specify it.

-- 
真実はいつも一つ!/ Always, there's only one truth!
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