dohack() {
  local conf="$BTRFS/@root/lib/modprobe.d/broadcom-wl-dkms.conf"

  say "Whitelisting b43 and blacklisting wl"

  run [ -f "$conf" ] && run mv "$conf"{,.bak}
  run cp "$ROOT/roles/hardware/b43.conf" "$BTRFS/@root/etc/modprobe.d"
  run root-append "$BTRFS/@root/etc/modules-load.d/autoload.conf" "b43
"
}

dohack
