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#!/bin/bash
# Script for mounting/unmounting drives (including encrypted ones)
# For encrypted drives, it works only if there's just one partition inside the
# crypt_LUKS volume
# It now also allows to power off devices so that you can safely disconnect
# them. It lists only USB devices.
# Yaroslav de la Peña Smirnov
readarray -t blkdevs <<< "$(lsblk -r -o NAME,TYPE,FSTYPE,MOUNTPOINT | tail -n +2)"
notify_and_end() {
notify-send "💽Drive management" "$1"
exit $2
}
get_mountable() {
for blkdev in "${blkdevs[@]}"; do
name="$(cut -d " " -f1 <<< "${blkdev}")"
btype="$(cut -d " " -f2 <<< "${blkdev}")"
fstype="$(cut -d " " -f3 <<< "${blkdev}")"
mountpoint="$(cut -d " " -f4 <<< "${blkdev}")"
if [ "$btype" = "part" ]; then
if [ -z "$mountpoint" ]; then
if [ "$fstype" = "crypto_LUKS" ]; then
if [ "$(lsblk -r -o FSTYPE "/dev/$name" | tail -n 1)" = "crypto_LUKS" ]; then
echo "$name"
fi
else
echo "$name"
fi
fi
fi
done
}
get_unmountable() {
for blkdev in "${blkdevs[@]}"; do
name="$(cut -d " " -f1 <<< "${blkdev}")"
btype="$(cut -d " " -f2 <<< "${blkdev}")"
fstype="$(cut -d " " -f3 <<< "${blkdev}")"
mountpoint="$(cut -d " " -f4 <<< "${blkdev}")"
if [ "$btype" = "part" ]; then
if [ -z "$mountpoint" ] && [ "$fstype" = "crypto_LUKS" ]; then
mountpoint="$(lsblk -r -o MOUNTPOINT "/dev/$name" | tail -n 1)"
fi
if [ -n "$mountpoint" ] && [ "$mountpoint" != "/" ] && [ "$mountpoint" != "/boot" ] && [ "$mountpoint" != "[SWAP]" ]
then
echo "$name"
fi
fi
done
}
mount_dev() {
fstype="$(lsblk -r -o FSTYPE "/dev/$1" | tail -n 1)"
part="/dev/$1"
if [ "$fstype" = "crypto_LUKS" ]; then
password="$(echo "" | rofi -dmenu -password -p "Enter passphrase for encrypted drive" --tf="$BEMENU_TF" --tb="$BEMENU_NB" --ff="$BEMENU_NB" --fb="$BEMENU_NB" --fn="$BEMENU_FN" --nb="$BEMENU_NB" --nf="$BEMENU_NF" --hf="$BEMENU_HF" --hb="$BEMENU_HB" --monitor="$BEMENU_MONITOR")"
if [ -z "$password" ]; then
exit 0
fi
printf "%s" "$password" > "$HOME/.cache/diskey"
part="$(udisksctl unlock --key-file="$HOME/.cache/diskey" -b "/dev/$1" 2> $HOME/.cache/udiskerr | cut -d " " -f4 )"
part="${part%?}"
rm -f "$HOME/.cache/diskey"
if [ $? -ne 0 ]; then
notify_and_end "Error mounting: $(cat $HOME/.cache/udiskerr)" 1
fi
fi
message="$(udisksctl mount -b "$part" 2> $HOME/.cache/udiskerr)"
if [ $? -eq 0 ]; then
notify_and_end "$message" 0
else
notify_and_end "Error mounting: $(cat $HOME/.cache/udiskerr)" 1
fi
}
unmount_dev() {
fstype="$(lsblk -r -o FSTYPE "/dev/$1" | sed "2q;d")"
if [ "$fstype" = "crypto_LUKS" ]; then
volume="/dev/mapper/$(lsblk -r -o NAME "/dev/$1" | tail -n 1)"
if udisksctl unmount -b "$volume" 2> $HOME/.cache/udiskerr && udisksctl lock -b "/dev/$1" 2> $HOME/.cache/udiskerr; then
notify_and_end "Device $1 has been unmounted and locked" 0
else
notify_and_end "Error unmounting: $(cat $HOME/.cache/udiskerr)" 1
fi
else
if udisksctl unmount -b "/dev/$1" 2> $HOME/.cache/udiskerr; then
notify_and_end "Device $1 has been unmounted" 0
else
notify_and_end "Error unmounting: $(cat $HOME/.cache/udiskerr)" 1
fi
fi
}
get_usb_storage() {
for dev in /sys/block/*; do
if udevadm info --query=property --path=$dev | grep -q ^ID_BUS=usb; then
echo "$(cut -d "/" -f4 <<< ${dev})"
fi
done
}
poweroff_dev() {
if udisksctl power-off -b "/dev/$1"; then
notify_and_end "Device $1 has been powered off" 0
else
notify_and_end "An error occurred, could not power off device $1. Make sure that it's not in use." 1
fi
}
action="$(printf "mount\nunmount\npoweroff\n" | rofi -dmenu -matching prefix -p "What to do?" )"
case "$action" in
mount)
blkdev="$(get_mountable | rofi -dmenu -p "Choose device to mount" )"
if [ -z "$blkdev" ]; then
exit 0
fi
mount_dev "$blkdev";;
unmount)
blkdev="$(get_unmountable | rofi -dmenu -p "Choose device to umount" )"
if [ -z "$blkdev" ]; then
exit 0
fi
unmount_dev "$blkdev";;
poweroff)
blkdev="$(get_usb_storage | rofi -dmenu -p "Choose device to power off" )"
if [ -z "$blkdev" ]; then
exit 0
fi
poweroff_dev "$blkdev";;
*)
exit 0;;
esac
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