PREUN

/bin/sh

if [ $1 = 0 ]; then
    /sbin/service ltsp-dhcpd status >/dev/null 2>&1
    if [ $? = 3 ]; then
        /sbin/service ltsp-dhcpd stop >/dev/null 2>&1
    fi

    /sbin/chkconfig --del ltsp-dhcpd || :
    /sbin/service xinetd reload > /dev/null 2>&1 || :
fi

POSTIN

/bin/sh

/sbin/chkconfig --add ltsp-dhcpd

# If initial install, start the ltspbr0 bridge
# it would come up automatically in the next reboot.
if [ "$1" == "1" ]; then
    ifup ltspbr0 > /dev/null 2>&1 || :
fi

# During upgrades fix up config files
if [ $1 -gt 1 ]; then
    grep -q "flags" /etc/xinetd.d/nbdrootd
    [ $? -eq 1 ] && sed -i -e '/type  /a \\tflags\t\t= KEEPALIVE' /etc/xinetd.d/nbdrootd
    grep -q "flags" /etc/xinetd.d/nbdswapd
    [ $? -eq 1 ] && sed -i -e '/type  /a \\tflags\t\t= KEEPALIVE' /etc/xinetd.d/nbdswapd
    # Add server_args if missing from nbdrootd
    grep -q "server_args" /etc/xinetd.d/nbdrootd
    [ $? -eq 1 ] && sed -i -e '/server  /a \\tserver_args\t= /opt/ltsp/images/i386.img' /etc/xinetd.d/nbdrootd
    # Restart xinetd
    /sbin/service xinetd condrestart > /dev/null 2>&1
fi

POSTUN

/bin/sh

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