anchor.diff:  in {
     ammonite_2_12 = common {
       scalaVersion = "2.12";
  -    sha256 = "1kzk0437h2wd9jhwkvjkiaj6mscz4bh85iv266x9zz4zssb355hs";
  +    sha256 = "K8JII6SAmnBjMWQ9a3NqSLLuP1OLcbwobj3G+OCiLdA=";
     };
     ammonite_2_13 = common {
       scalaVersion = "2.13";
  -    sha256 = "0js84m6yqjd7d77md38z6nk3qzlm1ms8brzczaw05zq2c90pdbz7";
  +    sha256 = "2F35qhWI6hNb+Eh9ZTDznqo116yN7MZIGVchaAIM36A=";
     };
   }
  
positive.code: { lib, stdenv, fetchurl, jre, nixosTests, writeScript, common-updater-scripts, git
  , nixfmt, nix, coreutils, gnused, disableRemoteLogging ? true }:
  
  with lib;
  
  
negative.code:   common = { scalaVersion, sha256 }:
      stdenv.mkDerivation rec {
        pname = "ammonite";
        version = "2.4.0";
  
        src = fetchurl {
          url =
  