F23 System Wide Change: Glibc locale subpackaging

[Carlos O'Donell]

On 06/22/2015 09:01 AM, Jonathan Dieter wrote:
> On Mon, 2015-06-22 at 06:16 -0400, Jan Kurik wrote:
>> Recently we made it possible to install a small number of locales by 
>> supplying the rpm-macro “_install_langs”, for example
>>
>>    rpm -i -D _install_langs="en:de_DE" glibc-common.rpm
>>
>> will install all English locales and all German locales which start 
>> with “de_DE”,
>>
>>    rpm -i -D _install_langs="en_US.utf8" glibc-common.rpm
>>
>> will install only the en_US.utf8 locale,
>>
>>    rpm -i -D _install_langs="POSIX" glibc-common.rpm
>>
>> will install nothing (but the POSIX/C is still available because it 
>> is builtin into glibc).
> 
> Please note that this step in implementing the feature will break
> deltarpms. Deltarpm requires the *full* data from the original rpm to
> be installed in order to build the updated rpm from the deltarpm, so
> the fact that we're only installing part of glibc-common will cause any
> deltarpms for glibc-common to fail.
> 
> If I understand correctly though, the above is a stepping-stone to
> subpackages containing the languages, which will *not* break deltarpms.
> 
> I do think the change is a great idea; I just want to make sure all
> involved are aware of this potential pitfall along the way.

It was known, but not mentioned, that this would decrease the effectiveness
of deltarpm for glibc-common. This step is indeed just a stepping stone
to splitting out the packages.

Cheers,
Carlos.