This is now in F28+. Please let me know if you notice any issues.
V.
Dne 2.2.2018 v 11:02 Vít Ondruch napsal(a):
> Hi everybody,
>
> RPM 4.14 has enhanced dependency generators, which allows to use "with"
> operator [1]. This comes handy, if you want to restrict the dependency
> to range of versions. E.g. if the gem you package depends on "foo ~>
> 1.0", this expands to range "foo >= 1.0" and "foo < 2".
>
> Previously, the generator would generate this dependencies:
>
> ~~~
> Requires: foo >= 1.0
> Requires: foo < 2
> ~~~
>
> Unfortunately, this does not really provide expected results. This in
> reality allows RPM to install any version of foo (and as far as I
> remember, we had this issue with rubygem-minitest in Ruby on Rails). But
> since RPM 4.14, this can be expressed as:
>
> ~~~
> Requires: (foo >= 1.0 with foo < 2)
> ~~~
>
> This require properly limits the versions.
>
> To benefit from this, I prepared update of the dependency generator,
> which should use the "with" operator and represent the gem dependencies
> more precisely.
>
> Another thing which was not handled really well were conflict
> dependencies. E.g. your gem might depend on "foo [~> 1.0, != 1.2.1]",
> where version 1.2.1 is problematic for some reasons.
>
> Up to now, this was expanded into something like "foo < 1.2.1" and "foo
>> 1.2.2", but again, this does not represent the conflict properly.
> Therefore I'm going to introduce conflict generator, which will
> autogenerate "Conflicts: foo = 1.2.1".
>
> You can check the changes here:
>
> https://src.fedoraproject.org/fork/vondruch/rpms/ruby/commits/generators-update
>
> I would also appreciate, if you can test the generators. The scratch
> build is available here:
>
> https://koji.fedoraproject.org/koji/taskinfo?taskID=24643785
>
> Thx for your testing and feedback.
>
>
> Vít
>
>
> PS: There are also some other chnages, as the GMP library enabled and
> dropped the ldconfig scriptlets (therefore the package is not compatible
> with F27).
>
>
>
>
> [1] http://rpm.org/user_doc/boolean_dependencies.html
>
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