This is a beta version of yum for EL version 5, from version 6. You get to keep all the pieces.
It breaks multilib on ia64, and may break everything else.
Feel free to use.
[yum-5-from-6] name = yum for 5, from 6 baseurl = http://people.redhat.com/jantill/yum/5-from-6 gpgcheck = false enabled = true