Packages adding groups in %pre/post

[Bill Nottingham]

Jesse Keating (jkeating at redhat.com) said: 
> > How on earth do you get things installed w/o setup first?
> > glibc -> basesystem -> setup.
> 
> *shrug* it's just anaconda doing it's package install to build the
> install image.  Given that shadow-utils doesn't mention setup at all,
> rpm can't possibly know that setup should come before shadow-utils.

Sure it does.

Package A has a Requires(pre) on shadow-utils. Hence, shadow-utils
must be installed *and functional* before A is installed. This means
shadow-utils and all its requirements.

>From there it's a simple dependency chain - shadow-utils -> glibc
-> basesystem -> setup.

So, if it's not getting installed right, rpm or yum is broken in some
way.

Bill