[Yum] Yum groupinstall and optional packages

[seth vidal]

On Mon, 2006-10-23 at 10:43 -0400, Brian Long wrote:
> Hello,
> 
> A long time ago, we had a thread about yum groupinstall and comps.xml
> "optional" packages.  We still use the yum groupinstall (yum-2.4.3)
> feature on our internally-built yum repos.  We build a repo called
> "base" that contains the RHEL distro from RHN.  We also build repos of
> our internal and third-party software.
> 
> The base repo uses the stock comps.xml from Red Hat to generate the yum
> groups.  Therefore, there are mandatory, default and optional packages
> in certain groups.
> 
> yum groupinstall pulls in all 3 types of packages, instead of taking the
> Anaconda approach and only installing mandatory and default packages.

> I was wondering how difficult it would be to configure yum (via plugin?)
> to disregard the optional packages.
> 
> I remember Seth and Jeremy were involved in this discussion, but I don't
> think we came up with a final solution.

It'd probably be easier to add in a configuration option that lets you
specify the types of pkgs you care about from groups. Then have that
modify what comps returns.

As a starter take a look at comps.py and see how it is pulling in the
pkgs.

-sv