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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?" | awk '{print $1}')
[ -z "$chosen" ] && exit
sudo -A umount "$chosen" && pgrep -x dunst && notify-send "$chosen unmounted."
}
unmountandroid() { \
chosen=$(awk '/simple-mtpfs/ {print $2}' /etc/mtab | dmenu -i -p "Unmount which device?")
[ -z "$chosen" ] && exit
fusermount -u "$chosen" && pgrep -x dunst && notify-send "$chosen unmounted."
}
asktype() { \
case $(printf "USB\\nAndroid" | dmenu -i -p "Unmount a USB drive or Android device?") in
USB) unmountusb ;;
Android) unmountandroid ;;
esac
}
drives=$(lsblk -nrpo "name,type,size,mountpoint" | awk '$2=="part"&&$4!~/\/boot|\/home$|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
[ -z "$drives" ] && echo "Unmountable Android device detected." && unmountandroid
echo "Unmountable USB drive(s) and Android device(s) detected."
asktype
fi
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