how to have yum prefer one dependency over others

seth vidal skvidal at fedoraproject.org
Fri Sep 16 19:10:48 UTC 2011


On Fri, 2011-09-16 at 11:07 -0800, Jef Spaleta wrote:
> 

> 
> 
> And since we seem to only be talking about optimization of policy
> rules (which could and probably should equally apply to all depsolvers
> in Fedora) shouldn't it be possible to encode your possibly more
> optimal policy rules as a yum plugin specifically so we can do some
> testing without conflating the depsolving policy optimization with
> other tehcnical changes?  If your approach to depsolving really is
> better, we should be able to test that systematically with existing
> repo data transactions and build a case for a depsolving rule change
> as part of yum's evolution.
> 

As a point of fact we added a depsolving plugin hook for
compare_providers over a year ago into the yum codebase.

Specifically so anyone could do fun and exciting additions to
compare_providers and/or request user input on the decisions.

-sv







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