anchor.diff:  }:
   
   let
  -  version = "6.2.1";
  +  version = "6.2.2";
   
     dirUrls = [
       "https://nodejs.org/dist/v${version}"
  
positive.code:   src = fetchurl {
      urls = map (n: "${n}/node-v${version}.tar.xz") dirUrls;
      allowHashOutput = false;
      sha256 = "dbaeb8fb68a599e5164b17c74f66d24f424ee4ab3a25d8de8a3c6808e5b42bfb";
    };
  
    nativeBuildInputs = [
  
negative.code:       failEarly = true;
        sha256Urls = map (n: "${n}/SHASUMS256.txt.asc") dirUrls;
        #pgpsigSha256Urls = map (n: "${n}.asc") sha256Urls;
        pgpKeyFingerprints = [
          "DD8F 2338 BAE7 501E 3DD5  AC78 C273 792F 7D83 545D"
          "B9AE 9905 FFD7 803F 2571  4661 B63B 535A 4C20 6CA9"
        ];
        inherit (src) urls outputHash outputHashAlgo;
      };
    };
  