#!/bin/sh

# Prompts selection for mounted devices and unmounts the selected one
# Requires: udevil, dmenu (or similar), notify-send or similar (optional)

# Usage: dmenu-unmount [-m menu] [-w writer]
# Example: dmenu-unmount -m slmenu -w echo

menu=dmenu
writeout=${NOTIFY:-"notify push"}

usage() {
	echo "Usage: dmenu-unmount [-m MENU] [-w WRITER]"
	echo "Example: dmenu-unmount -m slmenu -w echo"
}

while getopts "m:w:" opt; do
	case "$opt" in
		m)
			menu="$OPTARG"
			;;
		w)
			writeout="$OPTARG"
			;;
		*)
			usage
			exit 1
			;;
	esac
done
shift $((OPTIND - 1))

listdev=$(grep "media" /proc/mounts | sed 's/\/media.*\///g' | \
          awk '{print $1" ("$2")"}')

if [ -z "$listdev" ]; then
	$writeout "Nothing to unmount"
else
	seldev=$(echo "$listdev" | $menu | awk '{print $1}')
	if [ -n "$seldev" ]; then
		udevil unmount "$seldev"
		failed=$(udevil info "$seldev" | grep mounted | awk '{print $3}')
		if [ "$failed" -eq 1 ]; then
			$writeout "Unmount FAILED" "Device is still mounted!"
		else
			$writeout "Device unmounted"
		fi
	fi
fi