#!/bin/bash

FILE=/var/run/bkp-usb-detected


function usage () {
	[ -n "$1" ] && echo -e "$1\n"
	echo "Usage : $0 [device]"
	echo "   device		To manually run export, provide the USB Drive device path"
	[ -n "$1" ] && exit 1
	return 0
}

function exit_error () {
	[ -n "$1" ] && echo "$1"
	beep -f 300 -l 2000
	rm -f "$FILE"
	exit 1
}

# Manually run
if [ -n "$1" ]
then
	[ "$1" == "-h" ] && usage && exit 0
	DEVICE="$1"
	[ ! -b "$DEVICE" ] && usage "Invalid device '$DEVICE'"
	echo -n "$DEVICE" > $FILE
	exit 0
fi

[ ! -e "$FILE" ] && exit_error "File $FILE does not exists !"

DEVICE=$( cat "$FILE" )
[ ! -e "$DEVICE" ] && exit_error "Device '$DEVICE' does not exists !"

echo "Removing $FILE"
rm -f "$FILE"

echo "Run backup on device '$DEVICE'"
/usr/local/sbin/backup-usb -u "$DEVICE" -l /var/log/bkp-usb.log &
exit 0