Tying yum to a package "stream"?

[seth vidal]

On Tue, 2008-10-14 at 15:23 +1300, Martin Langhoff wrote:
> OLPC's XS ships a number of patched packages. The packages are
> normally built with a different "stream" or "flavour" (they don't say
> "f9" but "xs05") and sit in a special repository.
> 
> Is there a good way to ensure revisor/yum prefers the packages from
> the xs stream or repo over the standard F9 release or update packages,
> even if the f9 package is newer?
> 
> (In the APT/Debian world the closest parallel would be setting apt
> preferences to have biased priorities -- aka Pin -- on a label or a
> component.)

you can use yum's priorities plugin to achieve similar results.
Just as in the apt-world configuring priorities/pinning for
longterm/widespread use is a frelling nightmare.

-sv