case "$MODE" in
    commandline)
        add_option "accept-unsigned-packages" "`eval_gettext "allow unsigned packages during install"`" "advanced" "false"
        ;;
    configure)
        if [ -n "$option_accept_unsigned_packages_value" ]; then
            # FIXME: handle if APT_GET_OPTS has other values set.
            APT_GET_OPTS="$APT_GET_OPTS --force-yes"
        fi
        ;;
    before-install)
        if [ -n "$option_accept_unsigned_packages_value" ]; then
            # unset keyring for debootstrap
            DEBOOTSTRAP_KEYRING=""
        fi
        ;;
esac
