anchor.diff:  
     outputHashMode = "recursive";
     outputHashAlgo = "sha256";
  -  outputHash = "0a54gyrq6jfxxvimaa4yjfiyfwf7wv58v0a32l74yrzyarr3ldby";
  +  outputHash = "l+7VOq7CV5QA8/FWjMBGDcxq8Qe7NFf6E2Y42htZEgE=";
   
     meta = with lib; {
       description = "Firmware for builtin Wifi/Bluetooth devices in the Raspberry Pi 3+ and Zero W";
  
positive.code:       name = "firmware-nonfree";
        owner = "RPi-Distro";
        repo = "firmware-nonfree";
        rev = "00de3194a96397c913786945ac0af1fd6fbec45b";
        sha256 = "1xnr364dkiq6gmr21lcrj23hwc0g9y5qad8dm2maij647bgzp07r";
      })
    ];
  
  
negative.code: 
  stdenv.mkDerivation {
    pname = "raspberrypi-wireless-firmware";
    version = "2021-11-02";
  
    srcs = [
      (fetchFromGitHub {
  