exit 0
fi
mkdir -p /mnt/tmptimer
-mount -o subvol=debianbullseye_bootstrap $dev /mnt/tmptimer
+if ! mountpoint /mnt/tmptimer &>/dev/null; then
+ mount -o subvol=debianbullseye_bootstrap $dev /mnt/tmptimer
+fi
cd /mnt/tmptimer
for d in dev proc sys dev/pts; do
[[ -d $d ]]
umount $d
fi
done
+cd /
+umount /mnt/tmptimer