[ -n "$ISO" ] && echo "ISO=$ISO" >> $CHROOT_VARIABLES
[ -n "$MIRROR" ] && echo "CHROOTMIRROR=$MIRROR" >> $CHROOT_VARIABLES
[ -n "$MIRROR" ] && echo "MIRROR=$MIRROR" >> $CHROOT_VARIABLES
[ -n "$ISO" ] && echo "ISO=$ISO" >> $CHROOT_VARIABLES
[ -n "$MIRROR" ] && echo "CHROOTMIRROR=$MIRROR" >> $CHROOT_VARIABLES
[ -n "$MIRROR" ] && echo "MIRROR=$MIRROR" >> $CHROOT_VARIABLES
[ -n "$ROOTPASSWORD" ] && echo "ROOTPASSWORD=$ROOTPASSWORD" >> $CHROOT_VARIABLES
[ -n "$TARGET" ] && echo "TARGET=$TARGET" >> $CHROOT_VARIABLES
[ -n "$TARGET_UUID" ] && echo "TARGET_UUID=$TARGET_UUID" >> $CHROOT_VARIABLES
[ -n "$ROOTPASSWORD" ] && echo "ROOTPASSWORD=$ROOTPASSWORD" >> $CHROOT_VARIABLES
[ -n "$TARGET" ] && echo "TARGET=$TARGET" >> $CHROOT_VARIABLES
[ -n "$TARGET_UUID" ] && echo "TARGET_UUID=$TARGET_UUID" >> $CHROOT_VARIABLES