#!/bin/sh

PKG_PREFIX=${PKG_PREFIX:-/usr/local}

if [ $# -ne 2 ]; then
    echo "usage: $0 distname { PRE-INSTALL | POST-INSTALL }" >&2
    exit 1
fi

case $2 in
     POST-INSTALL)

		grep csnet-ns /etc/services > /dev/null 2>&1
		if [ $? -ne 0 ]; then
			echo "adding csnet-ns to /etc/services..."
			cp /etc/services /etc/services.pre.$1
			echo "csnet-ns		105/tcp		ns	# PH" >> /etc/services
		fi

		if [ ! -d "${PKG_PREFIX}/etc" ]; then
			echo "creating directory ${PKG_PREFIX}/etc...";
			mkdir -p "${PKG_PREFIX}/etc";
		fi

		PH_SERVER=`hostname | awk -F. '(NF > 1) { printf "ns.%s.%s\n", $(NF - 1), $NF; }'`;

		if [ -z "${PH_SERVER}" ]; then
			if [ -x /usr/sbin/nslookup ]; then
				NSLOOKUP=/usr/sbin/nslookup;
			elif [ -x /usr/bin/nslookup ]; then
				NSLOOKUP=/usr/bin/nslookup;
			fi

			if [ -n "${NSLOOKUP}" ]; then
				PH_SERVER=`hostname | xargs ${NSLOOKUP} | awk '/^Name:/ { print $2; exit; }' | awk -F. '{ printf("ns.%s.%s\n", $(NF - 1), $NF); }'`;
			fi
		fi

		if [ -z "${PH_SERVER}" ]; then
			PH_SERVER="ns.some-domain.example.org";
		fi
		echo "${PH_SERVER}" > ${PKG_PREFIX}/etc/ph_server.sample;

		if [ ! -f "${PKG_PREFIX}/etc/ph_server" ]; then
			echo "creating default ${PKG_PREFIX}/etc/ph_server file...";
			cp ${PKG_PREFIX}/etc/ph_server.sample ${PKG_PREFIX}/etc/ph_server;
		fi

		if [ ! -f "${PKG_PREFIX}/etc/nphrc" ]; then
			echo "installing default ${PKG_PREFIX}/etc/nphrc file...";
			cp ${PKG_PREFIX}/etc/nphrc.sample ${PKG_PREFIX}/etc/nphrc;
		fi
		;;
esac

exit 0