Use rubygem(foo) or rubygem-foo

[Mamoru TASAKA]

Vít Ondruch wrote, at 01/20/2014 07:54 PM +9:00:
> Dne 20.1.2014 11:11, Mamoru TASAKA napsal(a):
>> Mamoru TASAKA wrote, at 01/20/2014 07:00 PM +9:00:
>>> Achilleas Pipinellis wrote, at 01/20/2014 07:37 AM +9:00:
>>>> I know that both result to the same thing (if I remember correctly I
>>>> had
>>>> asked Vit about this in IRC), but I have forgotten their real
>>>> difference.
>>>>
>>>> My attention got caught by a comment Josef made in one of his reviews
>>>> [0], saying that rubygem-foo is the new syntax. If that's the case, I
>>>> would like to propose 2 changes:
>>>>
>>>> a) A reference in the wiki
>>>> b) An implementation for gem2rpm
>>>>
>>>> I guess b) could be fairly easy by changing the templates.
>>>>
>>>> By starting with these steps, there will be a push to use the new
>>>> syntax
>>>> from now on. What do you think?
>>>>
>>>> [0]: https://bugzilla.redhat.com/show_bug.cgi?id=979749#c2
>>>>
>>>
>>> Please use syntax other interpreters do:
>>> https://fedoraproject.org/wiki/Packaging:Perl?rd=Packaging/Perl#Perl_Requires_and_Provides
>>>
>>> https://fedoraproject.org/wiki/Packaging:PHP?rd=Packaging/PHP#Requires_and_Provides
>>>
>>> https://fedoraproject.org/wiki/Packaging:OCaml?rd=Packaging/OCaml#Requires_and_provides
>>>
>>>
>>> i.e. use rubygem(foo), not rubygem-foo.
>>>
>>
>> Additional explanation:
>>
>> The idea here is that ideally like perl or so and pkgconfig(foo), etc,
>> this type of
>> dependency should be handled by rpmbuild _automatically_, i.e.
>> rpmbuild automatically
>> adds provides/requires rubygem(foo). Currently this is done by
>> gem2rpm, however if
>> this could be done on building rpmbuild side, it would be more
>> appreciated.
>
> It is doable, but we should still clarify what does it mean, i.e.
>
> 1) is it rubygem(%{gem_name}) or
> 2) should it be rubygem(typical_file_you_should_require), where for some
> gems, there might be more of these provides.
>
> I think it would be good to do it for F21, since I am going to propose
> guideline changes anyway. Hope I'll find some time to play with this.

We can just start with what "gem" firstly does, I think it is a good start
for adding automated provides/requires,i.e. check specification based
dependency and automatically add provides/requires, almost the same as
current gem2rpm does.

rubygem(typical_file_you_should_require) seems much harder to implement,
as far as I remember once python packages tried to do this, however it
gave up. I think we can start with what may be implemented easier.

Regards,
Mamoru