# automatically add group, with or without specified gid (not for use at SBo)
if ! grep "^bumblebee:" etc/group 1> /dev/null 2> /dev/null ; then
  if ! grep ":261:" etc/group 1> /dev/null 2> /dev/null ; then
    chroot . groupadd -g 261 bumblebee
  else
    chroot . groupadd bumblebee
  fi
fi

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/bumblebee/bumblebee.conf.new
config etc/bumblebee/xorg.conf.nouveau.new
config etc/bumblebee/xorg.conf.nvidia.new
config etc/rc.d/rc.bumblebeed.new