#!/bin/bash
set -e

DEF_HOST_NAME=$(hostname -s)
if [ ! -d "${DEF_HOST_NAME}" ]; then
	read -p "Please enter hostname ('${DEF_HOST_NAME}' by default): " USER_HOST_NAME
	
	if [ -z "${USER_HOST_NAME}" ]; then
	    USER_HOST_NAME=${DEF_HOST_NAME}
	fi
else
	USER_HOST_NAME=${DEF_HOST_NAME}
fi

echo "${USER_HOST_NAME}" > hostname
