MOUNT_POINT=/mount/point
HOST=host
MOUNT_PATH=/path/on/host

if [ ! -d $MOUNT_POINT ]; then
	echo "mount point $MOUNT_POINT missing"; exit 1
fi

if mount | grep $MOUNT_POINT; then
	echo "umounting..."
	fusermount -u $MOUNT_POINT
else
	echo "mounting..."
	sshfs -C -o transform_symlinks -o Cipher="blowfish" $HOST:$MOUNT_PATH $MOUNT_POINT
fi