Update

.scripts/dmenu-umount.sh

@@ -0,0 +1,11 @@
+#!/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.
+
+drives=$(lsblk -nrpo "name,type,size,mountpoint" | awk '$2=="part"&&$4!~/\/boot|\/home$|SWAP/&&length($4)>1{printf "%s (%s) on %s\n",$1,$3,$4}')
+[ -z "$drives" ] && exit
+chosen=$(echo "$drives" | ~/.scripts/dmenu.sh -i -p "Choose drive to unmount:" | awk '{print $1}')
+[ -z "$chosen" ] && exit
+sudo -A umount "$chosen" && pgrep -x dunst && notify-send "$chosen unmounted."
+