anchor.diff: -{ lib, buildGoModule, fetchFromGitHub, installShellFiles }:
  +{ lib, buildGoModule, fetchFromGitHub, installShellFiles, k3sVersion ? "1.20.0-k3s2" }:
   
  -let
  -  k3sVersion = "1.20.0-k3s2";
  -in
   buildGoModule rec {
     pname = "kube3d";
  -  version = "3.4.0";
  +  version = "4.0.0";
   
     excludedPackages = "tools";
   
  
positive.code:     owner = "rancher";
      repo = "k3d";
      rev = "v${version}";
      sha256 = "1fisbzv786n841pagy7zbanll7k1g5ib805j9azs2s30cfhvi08b";
    };
  
    vendorSha256 = null;
  
negative.code:     "-ldflags="
      "-w"
      "-s"
      "-X github.com/rancher/k3d/v4/version.Version=v${version}"
      "-X github.com/rancher/k3d/v4/version.K3sVersion=v${k3sVersion}"
    ];
  
    doCheck = false;
  