[fedora-arm] F13-alpha rootfs repo issues

I just made a repo from scratch with the mkrootfs-13 script.

If I poke through the repolists in yum.repos.d The only one enabled is  
for rawhide, and if I substitute armv5tel or arm for the arch, i get  
an invalid arch. (it works for say x86_64)

The mirror for the F12 image points to wantstofly.org