#!/bin/bash

mkdir -p /opt/repos
mv /etc/yum.repos.d/* /opt/repos/
cat >> /etc/yum.repos.d/centos.repo <<EOF
[Local-Repository]
name=CentOS \$releasever - \$basearch - Local
baseurl=$CENTOS_MIRROR
enabled=1
gpgcheck=0
priority=1
EOF
yum makecache