[ -n "$SECURE" ] && echo "SECURE=\"$SECURE\"" >> $CHROOT_VARIABLES
[ -n "$SELECTED_PARTITIONS" ] && echo "SELECTED_PARTITIONS=\"$SELECTED_PARTITIONS\"" >> $CHROOT_VARIABLES
[ -n "$TARGET" ] && echo "TARGET=\"$TARGET\"" >> $CHROOT_VARIABLES
[ -n "$SECURE" ] && echo "SECURE=\"$SECURE\"" >> $CHROOT_VARIABLES
[ -n "$SELECTED_PARTITIONS" ] && echo "SELECTED_PARTITIONS=\"$SELECTED_PARTITIONS\"" >> $CHROOT_VARIABLES
[ -n "$TARGET" ] && echo "TARGET=\"$TARGET\"" >> $CHROOT_VARIABLES