DISK=/dev/sdd
PART=${DISK}2
LOG=todo
IMG=backup.img

while true; do
	# Run ddrescue, and kill it after 35 seconds
	(sleep 35; killall ddrescue)&
	ddrescue -d "$PART" "$IMG" "$LOG" -v -v

	# exit code 143 indicates killed by SIGTERM, it seems
	# Stop the backup if ddrescue exited with another error code (or
	# succesfullly), or if the logfile has no more sectors to do.
	if [ "$?" -ne 143 ] || ddrescuelog -D "$LOG"; then
		break;
	fi

	# Spindown disk, sometimes needed twice...
	hdparm -y "$DISK"
	hdparm -y "$DISK"
	sleep 5
	# Cycle power (this hardcodes the port!)
	./uhubctl/uhubctl -l 1-1.3 -p 3 -a cycle -d 5
	# $DISK stays around during the powercycle and is only removed at
        # insertion, so wait a bit for that to happen.
	sleep 5
	while ! [ -e "$DISK" ]; do sleep 1; done;
	sleep 2
done

echo "DONE"