I put together a package for rubygem-rack1 (version 1.1) for EPEL5.
It is needed for things like Sinatra, Shotgun and newer versions of
rails. I would love somebody could do a review so we could have it
inside EPEL5.
https://bugzilla.redhat.com/show_bug.cgi?id=617228
Basically, I just made it conflict with rubygem-rack. Future packages
that require rack > 1.1 could just require rubygem-rack1 instead of
rubygem-rack.
stahnma