e_verify

#!/bin/bash

## Usage: e_verify <device>
## Checks to see whether or not the given drive is properly formatted (right now
## all this means is that all non-backup data that was initially on the drive was deleted)
main() {
	if [ $# -ne 1 ]; then
		echo "Usage: e_verify <device>"
		_exit 1
	fi

	temp_dir=`mktemp -d`
	err=`mount $1 $temp_dir` # mount the drive on temp dir
	#echo "err: $?"

	if [[ "$?" != "0" ]]; then
		#echo "Error while mounting $1, error code: $err."
		_exit 2
	fi

	housing_dir="/etc/eback" # to be changed to /etc/.../ when upon finalizing
	timestamp_loc="$housing_dir/lastdate"
    	devdata_loc="$housing_dir/devices"
    	reservedata_loc="$housing_dir/reserved"
    	lastback_stamp_loc="$housing_dir/.lastback"


	if [[ ! -f "$reservedata_loc" ]]; then
		#echo "$reservedata_loc does not exist!"
		_exit 3
	fi


	check_file="$temp_dir/check_stamp.nat"
	if [[ ! -f "$check_file" ]]; then
		#echo "Not verified!"
		_exit 4
	fi

	_exit 0
}

_exit() {
	#echo "Exiting with code $1."

	umount $temp_dir &> /dev/null

	if [[ "$temp_dir" != "" ]]; then
		rmdir $temp_dir &> /dev/null
	fi

	exit $1
}

main "$@"