Re: Execute RPM dependency generators on the .spec file which ships them

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On Mon Oct 9, 2023 at 17:30 +0200, Vít Ondruch wrote:
>
> Dne 09. 10. 23 v 9:21 Petr Pisar napsal(a):
> > V Fri, Oct 06, 2023 at 06:06:14PM +0200, Vít Ondruch napsal(a):
<snip>
> > That's hilarious because it's completely out of specification for the genarators
> > <https://rpm-software-management.github.io/rpm/manual/dependency_generators.html#generators>:
> >
> >      A generator is just an executable that reads file name(s) from stdin
> >
> > While your rpm-local-generator-test.spec redefines it to a function reading
> > an argument:
> >
> >      %global __local_generator_provides() local-generator-provide(%%{basename:%{1}})
> >
> > I'd like to see comments from RPM maintainers.
>
>
> This is documented:
>
> https://rpm-software-management.github.io/rpm/manual/dependency_generators.html#parametric-macro-generators-rpm--416
>
> I have used the function just because of simplicity, nothing else. You 
> can see real life usage of the function generators here:
>
> https://src.fedoraproject.org/rpms/python-rpm-generators/blob/rawhide/f/pythonname.attr

Indeed, the parametric generators are quite convenient for simpler
usecases, as you don't need to execute a bunch of processes just to
print some text to stdout.
For packages with a lot of files (e.g. ansible which I maintain), this
really adds up.


-- 
Maxwell G (@gotmax23)
Pronouns: He/They
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