[CentOS] odd dependency

Fri Sep 7 14:50:48 UTC 2012
Leon Fauster <leonfauster at googlemail.com>

Am 07.09.2012 um 16:21 schrieb m.roth at 5-cent.us:
> I'm putting the finishing touches on a new server, which will be replacing
> an old one. It's got a non-rpm ruby package (I hear lots of not-nice
> things about the RH package). The new server had ruby installed, so I went
> to yum remove it.
> And it removed ibutils as a dependency of ruby or ruby-libs.
> rpm -qi of ibutils tells me
> Summary     : OpenIB Mellanox InfiniBand Diagnostic Tools
> Description :
> ibutils provides IB network and path diagnostics.
> On 5.8, it's installed, and ruby isn't. Anyone have any idea why
> Infiniband utils should be required for ruby?

just to test - try:

 yum install ruby

here (5.8) no ibutils rpm will be 
installed to satisfy a ruby dependency.