config() {
  NEW="$1"
  OLD="`dirname $NEW`/`basename $NEW .new`"
  # If there's no config file by that name, mv it over:
  if [ ! -r $OLD ]; then
    mv $NEW $OLD
  elif [ "`cat $OLD | md5sum`" = "`cat $NEW | md5sum`" ]; then # toss the redundant copy
    rm $NEW
  fi
  # Otherwise, we leave the .new copy for the admin to consider...
}

config etc/rc.d/rc.avahidaemon.new
config etc/rc.d/rc.avahidnsconfd.new
config etc/avahi/avahi-daemon.conf.new
config etc/avahi/hosts.new
config usr/share/dbus-1/system.d/avahi-dbus.conf.new
config etc/dhcpc/dhcpcd.exe.new

#
# check avahi accounts
#
if [ -z "`grep ^avahi: /etc/group`" ]; then
  groupadd -g 312 avahi
fi
if [ -z "`grep ^avahi: /etc/passwd`" ]; then
  useradd -u 312 -g 312 -d /no/where -s /bin/false -c "Avahi Daemon" avahi
fi
if [ -z "`grep ^avahi-autoipd: /etc/group`" ]; then
  groupadd -g 313 avahi-autoipd
fi
if [ -z "`grep ^avahi-autoipd: /etc/passwd`" ]; then
  useradd -u 313 -g 313 -d /no/where -s /bin/false -c "Avahi IP Daemon" avahi-autoipd
fi

# For first installation, restart dbus if that's being used.
if [ -x /etc/rc.d/rc.messagebus ]; then
  /etc/rc.d/rc.messagebus reload
fi

if [ -x usr/bin/update-desktop-database ]; then
  chroot . /usr/bin/update-desktop-database usr/share/applications >/dev/null 2>&1
fi

/sbin/ldconfig