#/bin/bash


Version=1.0.0
Usage="dumount.sh [PARAMETTER]

Umount a LVM on LUKS device. In case it was unplugged without being unmounted, use dmsetup tu force the deactivation of the lvm drive.

PARAMETER
    -h, --help          Print this help and exit
    -v, --version       Print the version of this program and exit
    "

for i in $@; do
    case "$i" in
        "-h" | "--help")
            echo "${Usage}"
            exit 0
            ;;
        "-v" | "--version")
            echo "dmount.sh v.${Version}"
            exit 0
            ;;
    esac
done





MOUNTPOINT_cours=/home/primardj/cours
MOUNTPOINT_doc=/home/primardj/Documents
MOUNTPOINT_virt_machine=/home/primardj/virtual_machine
MOUNTPOINT_data=/home/primardj/data




remove_vgdevices() {
    echo "force remove devices." >&2
    doas dmsetup info --columns
    echo "removing all cryptdata volumes" >&2
    sleep 3
    array=(/dev/mapper/cryptdata-*)
    for i in ${array[@]}; do
        echo "$i"
        doas dmsetup remove "$i"
    done
    doas dmsetup remove cryptdata
}

echo locking device cryptdata
doas umount -R $MOUNTPOINT_cours
doas umount -R $MOUNTPOINT_doc
doas umount -R $MOUNTPOINT_virt_machine
doas umount -R $MOUNTPOINT_data

doas lvchange -a n cryptdata || remove_vgdevices
doas cryptsetup close cryptdata