[CentOS] yum-priorities behavior with downgrades [was: sa-update error with perl]

Tue Jan 10 03:59:10 UTC 2012
Anthony <akcentos at anroet.com>

On 2012-01-10 14:13, email builder wrote:
...
<snip>
...
> If I already have a bunch of packages from RepoForge, some of which
> might also be in the CentOS repo (some presumably with lower version
> numbers), what happens after installing and configuring 
> yum-priorities? 
>
> Do those packages automatically get downgraded?  Does yum complain
> and tell me I should downgrade?  I assume upgrades would happen per
> usual if there are newer versions of packages in CentOS repo.
>
> I'm slightly concerned because I have a handful of packages that got
> installed automatically from RepoForge when I installed amavisd-new
> from there, and I'd hate to break something.

If the packages are _NEWER_ than those in CentOS, then no, they will 
not be overwritten.

You might also consider installing yum-protectbase.

You'd then have to make a conscious effort to overwrite the base 
packages!

Cheers,
ak.