[Rpm-ecosystem] Source RPM provides?

[Pat Riehecky]

On 3/12/19 10:00 AM, Neal Gompa wrote:
> On Tue, Mar 12, 2019 at 10:49 AM Pat Riehecky <riehecky at fnal.gov> wrote:
>> I've been doing a fair bit of mapping back and forth from binary rpms to
>> source rpms.  And I had a question:
>>
>> Would it make sense for a source rpm to have a generated 'Provides:' for
>> any %package defined within the spec?
>>
>> For example (actual syntax to be determined by folks smarter than myself):
>>
>> $ rpm -qp --provides man-db-2.8.4-4.fc30.src.rpm
>> rpmbuild(man-db)
>> rpmbuild(man-db-cron)
>> $
>>
>> I'd expect it to 'provide' all the %packages (even ones masked for your
>> specific arch so that we don't deal with executing macros at query and
>> whatnot).
>>
>> Thoughts?
>>
> It'd probably be better if we had an equivalent to debbuild's
> --showpkgs switch that parsed the spec file and identified what
> packages would be built from it.
>

I'm a little worried about the need to extract the spec and execute the 
relevant macros.  In theory someone could embed something unexpected there.

-- 
Pat Riehecky

Fermi National Accelerator Laboratory
www.fnal.gov
www.scientificlinux.org