centos: install the EPEL repository and bash-completion if EPEL=1

centos/install-extras.sh

@@ -14,8 +14,17 @@ SECS=20
 log "Sleeping for $SECS seconds..."
 sleep $SECS
 
-utils.lxc.attach yum update -y
+# install the fedora epel repo?
+EPEL=${EPEL:-0}
 
 # TODO: Support for appending to this list from outside
 PACKAGES=(vim curl wget man ca-certificates sudo)
+
+if [ $EPEL = 1 ]; then
+  utils.lxc.attach yum update -y
+  utils.lxc.attach yum install epel-release -y
+  PACKAGES+=' bash-completion'
+fi
+
+utils.lxc.attach yum update -y
 utils.lxc.attach yum install ${PACKAGES[*]} -y