#!/bin/sh

# $FreeBSD$

: ${OSVERSION:=`/sbin/sysctl -n kern.osreldate`};
PERL_VERSION="%%PERL_VERSION%%"
banner="# added by use.perl $(/bin/date +'%F %T')"

do_cleanup_manpath()
{
	if [ -f /etc/manpath.config ] ; then
		/bin/cp -p /etc/manpath.config /etc/manpath.config.new
		/usr/bin/awk 's=0;
			/^#.*use.perl/ { s=1; mode=1 }
			/^#/ { s=1; if (mode != 1) { mode=0 } }
			/^OPTIONAL_MANPATH.*perl5/ { s=1; if (mode == 1) { mode=2 } }
			/^$/ { s=1; if (mode != 2) { mode = 0 } }
			{ if (s != 1) { mode = 0 } if (mode == 0) print }' /etc/manpath.config >/etc/manpath.config.new
		/bin/mv /etc/manpath.config /etc/manpath.config.bak
		/bin/mv /etc/manpath.config.new /etc/manpath.config
		/bin/rm /etc/manpath.config.bak
	fi
}

do_spam_manpath()
{
	if [ -f /etc/manpath.config ] ; then
		echo "${banner}" >>/etc/manpath.config
		echo "OPTIONAL_MANPATH	${PKG_PREFIX}/%%SITEMAN3PREFIX%%/man" >>/etc/manpath.config
		echo "OPTIONAL_MANPATH	${PKG_PREFIX}/%%MAN3PREFIX%%/man" >>/etc/manpath.config
	fi
}


if [ "$2" = "POST-INSTALL" ] ; then
	if [ "${OSVERSION}" -lt 900022 ] ; then
		do_cleanup_manpath
		do_spam_manpath
	fi
elif [ "$2" = "POST-DEINSTALL" ] ; then
	[ "${OSVERSION}" -lt 900022 ] && do_cleanup_manpath
fi

exit 0