#!/bin/sh -ex


pre_install()
{
        ND="/etc/nginx"
        SA="$ND/sites-available"
    Configs="solomon_front ssl_config_prod ssl_config_test"

    for i in $Configs ; do
        rm -v $SA/${i}_bak
        cp -v $SA/$i $SA/${i}_bak
    done
}


case "$1" in
    upgrade|install)
        pre_install || true
        ;;

    abort-upgrade)
        ;;

    *)
        echo "preinst was called with unknown argument '$1'" >&2
        exit 1
        ;;
esac
