On Fri, Jun 28, 2019 at 10:35 AM Petr Pisar <ppi...@redhat.com> wrote:

> On 2019-06-27, Ben Cotton <bcot...@redhat.com> wrote:
> > https://fedoraproject.org/wiki/Changes/DNF_Default_Best
> >
> >== Summary ==
> > Currently, DNF prefers clean dependency resolution over package
> > updates; a package (almost) silently won't get updated to a newer
> > version if the new version has dependency problems. DNF will be
> > changed to prefer updates and fail if they have dependency resolution
> > issues, while the failure has a temporal or permanent workaround hint
> > for users who want to use the older behavior.
> >
> This will also apply to DNF in Koji. And that will complicate
> bootstrapping Perl ecosystem. We will probably cope with the change by
> adding another step to the process of boostrapping Perl.
>
> Nevertheless I have a question whether the "best" strategy applies to
> package NEVRAs only or if it also applies to Provides and Requires. E.g.
> if a
>
> package A provides FOO = 1
>
> and a
>
> package B provides FOO = 2,
>
> will installing FOO insist on installing package B or will it keep
> freedom to choose between A and B?
>

If you request Package A you will always get package A. If you will request
package in lover version, you will get the package in requested version.

Jaroslav


>
> -- Petr
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