#!/bin/bash
#title           :srUSBdd.sh
#description     :Safely remove USB disk drives [in Ubuntu 12.10]
#author		 :mirceamld@gmail.com
#date            :20130104
#version         :0.1a

declare -a device
declare -a devicename
i=0
for dev in $(awk '($4 ~ /sd[b-m]/)&&($4 !~ /sd[b-m][1-9]/) {print "/dev/"$4}' < /proc/partitions)
do
	device[$i]=$dev
	devicename[$i]=$(udevadm info --query=property -n $dev | grep -e "ID_MODEL=" | awk '{split($0,array,"=")} END{print array[2]}')
	let "i++"
done

if [ $i -eq 0 ]
then
	 exit 0
fi

index=`for ((j=1; j<=i; j++))
do
	echo $j
	echo ${device[$j-1]}
	echo ${devicename[$j-1]}
done | zenity --list\
	--title="Choose the USB disk you want to detach"\
	--column="No" --column="Device" --column="Device info"`

if [ -z $index ]
then
	exit 0
fi

message="Partition(s) successfully unmounted\nPartition\t\tMount point\n"
for partition in $(awk -v hdd="${device[$index-1]}" '$1 ~ hdd {print $1}' < /proc/mounts)
do
	mountpoint=$(awk -v partition="$partition" '$1 ~ partition { print $2 }' < /proc/mounts)
	udisks --unmount $partition
	message="$message$partition\t\t$mountpoint\n"
done
udisks --detach ${device[$index-1]}
message="$message\n${devicename[$index-1]} (${device[$index-1]}) can now be safely removed!"
zenity --info --text="$message"

exit 0