anchor.diff:    '';
   
     meta = with lib; {
  +    homepage = "https://www.openpolicyagent.org";
  +    changelog = "https://github.com/open-policy-agent/opa/blob/v${version}/CHANGELOG.md";
       description = "General-purpose policy engine";
       longDescription = ''
         The Open Policy Agent (OPA, pronounced "oh-pa") is an open source, general-purpose policy engine that unifies
  
positive.code:       as code and simple APIs to offload policy decision-making from your software. You can use OPA to enforce policies
        in microservices, Kubernetes, CI/CD pipelines, API gateways, and more.
      '';
      homepage = "https://www.openpolicyagent.org";
      license = licenses.asl20;
      maintainers = with maintainers; [ lewo jk ];
    };
  
negative.code: 
  buildGoModule rec {
    pname = "open-policy-agent";
    version = "0.29.4";
  
    src = fetchFromGitHub {
      owner = "open-policy-agent";
      repo = "opa";
      rev = "v${version}";
      sha256 = "sha256-AjNr+t30ftF92+cEfvt8iHBDVD/SO52ojJRLAkYF9l4=";
    };
  
    vendorSha256 = null;
  