#!/bin/bash
#
# Borrowing heavily from the dnsmasq initscript's version of support for
# resolvconf, intended for use in systemd-only configurations.
#
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/dnsmasq
NAME=dnsmasq

# Most configuration options in /etc/default/dnsmasq are deprecated
# but still honoured.
if [ -r /etc/default/$NAME ]; then
   . /etc/default/$NAME
fi

start_resolvconf()
{
   # If interface "lo" is explicitly disabled in /etc/default/dnsmasq
   # Then dnsmasq won't be providing local DNS, so don't add it to
   # the resolvconf server set.
   for interface in $DNSMASQ_EXCEPT
   do
      [ $interface = lo ] && return
   done

   if [ -x /sbin/resolvconf ] ; then
      echo "nameserver 127.0.0.1" |
      /sbin/resolvconf -a lo.$NAME
   fi
   return 0
}

stop_resolvconf()
{
   if [ -x /sbin/resolvconf ] ; then
      /sbin/resolvconf -d lo.$NAME
   fi
   return 0
}

case "$1" in
   start)
      start_resolvconf
      exit 0
      ;;
   stop)
      stop_resolvconf
      exit 0
      ;;
   restart)
      stop_resolvconf
      start_resolvconf
      exit 0
      ;;
   *)
      echo "Usage: /etc/init.d/$NAME {start|stop|restart}" >&2
      exit 3
      ;;
esac

exit 0