[herrold@centos-4 mock]$ grep centos *
fedora-4-i386-epel.cfg:mirrorlist=http://mirror.centos.org/?release=4&arch=i386&repo=os
fedora-4-i386-epel.cfg:mirrorlist=http://mirror.centos.org/?release=4&arch=i386&repo=updates
fedora-4-ppc-epel.cfg:mirrorlist=http://mirror.centos.org/?release=4&arch=ppc&repo=os
fedora-4-ppc-epel.cfg:mirrorlist=http://mirror.centos.org/?release=4&arch=ppc&repo=updates
fedora-4-x86_64-epel.cfg:mirrorlist=http://mirror.centos.org/?release=4&arch=x86_64&repo=os
fedora-4-x86_64-epel.cfg:mirrorlist=http://mirror.centos.org/?release=4&arch=x86_64&repo=updates
[herrold@centos-4 mock]$