+function usage() {
+ echo
+ echo "NAME:"
+ echo " $0"
+ echo
+ echo "SYNOPSIS:"
+ echo " $0 -h|--help"
+ echo " $0 -P <PLATFORM_REPOSITORY> -V <PLATFORM_VERSION>"
+ echo
+ echo "DESCRIPTION:"
+ echo " Prepare current system to run SO and UI."
+ echo
+ echo " PLATFORM_REPOSITORY (optional): name of the RIFT.ware repository."
+ echo " PLATFORM_VERSION (optional): version of the platform packages to be installed."
+ echo
+}
+
+
+###############################################################################
+# Main block
+
+# enable the right repos
+curl http://repos.riftio.com/public/xenial-riftware-public-key | apt-key add -
+curl -o /etc/apt/sources.list.d/rift.list http://buildtracker.riftio.com/repo_file/ub16/${PLATFORM_REPOSITORY}/
+
+# Make the Rift repo a higher priority to work around version conflicts.
+cat <<EOF > /etc/apt/preferences.d/rift
+Package: *
+Pin: origin repos.riftio.com
+Pin-Priority: 600
+EOF
+
+apt-get update