Better disk device picker

mods/live-installer/data/bin/login

@@ -43,8 +43,19 @@ while true; do
 			udevadm trigger --subsystem-match=input --action=change
 			service keyboard-setup.sh restart
 			
-			lsblk
-			read -p "Device (ALL DATA WILL BE ERASED): " DEVICE
+			YN="n"
+			while [ "$YN" == "n" ]; do
+				echo ""
+				lsblk -d -o PATH,SIZE
+				read -p "Device: " DEVICE
+				echo ""
+				lsblk "$DEVICE" -o NAME,SIZE,FSTYPE,PARTLABEL
+				read -p "All data on this disk will be erased! Continue? [y,n]: " YN
+				YN="$(echo "$YN" | tr "[:upper:]" "[:lower:]")"
+				if [ "$YN" != "y" ]; then
+					YN="n"
+				fi
+			done
 			
 			# Create partitions
 			echo "Creating partitions ..."