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#!/bin/sh
# A dmenu prompt to unmount drives.
# Provides you with mounted partitions, select one to unmount.
# Drives mounted at /, /boot and /home will not be options to unmount.
unmountusb() {
[ -z "$drives" ] && exit
chosen="$(echo "$drives" | dmenu -i -p "Unmount which drive?")" || exit 1
chosen="$(echo "$chosen" | awk '{print $1}')"
[ -z "$chosen" ] && exit
sudo -A umount "$chosen" && notify-send "💻 USB unmounting" "$chosen unmounted."
}
unmountandroid() { \
chosen="$(awk '/simple-mtpfs/ {print $2}' /etc/mtab | dmenu -i -p "Unmount which device?")" || exit 1
[ -z "$chosen" ] && exit
sudo -A umount -l "$chosen" && notify-send "🤖 Android unmounting" "$chosen unmounted."
}
asktype() { \
choice="$(printf "USB\\nAndroid" | dmenu -i -p "Unmount a USB drive or Android device?")" || exit 1
case "$choice" in
USB) unmountusb ;;
Android) unmountandroid ;;
esac
}
drives=$(lsblk -nrpo "name,type,size,mountpoint" | awk '$4!~/\/boot|\/home$|SWAP/&&length($4)>1{printf "%s (%s)\n",$4,$3}')
if ! grep simple-mtpfs /etc/mtab; then
[ -z "$drives" ] && echo "No drives to unmount." && exit
echo "Unmountable USB drive detected."
unmountusb
else
if [ -z "$drives" ]
then
echo "Unmountable Android device detected."
unmountandroid
else
echo "Unmountable USB drive(s) and Android device(s) detected."
asktype
fi
fi