PREUN

/bin/sh

# When not removal, exit immediately
[ $1 = 0 ] || exit 0
( LANG=C ; \
	if ( /usr/sbin/alternatives --display MyDNS | \
		grep point | grep -q /usr/sbin/mydns-pgsql ) ; \
		then /usr/sbin/service mydns stop >/dev/null 2>&1 ; \
	fi ; \
)
/usr/sbin/alternatives -remove MyDNS /usr/sbin/mydns-pgsql
exit 0

POSTIN

/bin/sh

/usr/sbin/alternatives --install /usr/sbin/mydns MyDNS /usr/sbin/mydns-pgsql 1 \
    --slave /usr/bin/mydnscheck mydnscheck /usr/bin/mydnscheck-pgsql \
    --slave /usr/bin/mydnsexport mydnsexport /usr/bin/mydnsexport-pgsql \
    --slave /usr/bin/mydnsimport mydnsimport /usr/bin/mydnsimport-pgsql \
    --slave /usr/bin/mydnsptrconvert mydnsptrconvert /usr/bin/mydnsptrconvert-pgsql

exit 0

POSTUN

/bin/sh

if [ "$1" -ge "1" ] ; then
   /sbin/service mydns condrestart >/dev/null 2>&1
fi