anchor.diff:  
     nativeBuildInputs = [ installShellFiles ];
     buildInputs = lib.optionals stdenv.isLinux [ btrfs-progs glibc.static ];
  +
  +  CGO_ENABLED = if stdenv.isLinux then 1 else 0;
   
     ldflags = [
       "-s"
  
positive.code: 
  buildGoModule rec {
    pname = "werf";
    version = "1.2.167";
  
    src = fetchFromGitHub {
      owner = "werf";
      repo = "werf";
      rev = "v${version}";
      sha256 = "sha256-ddrNrRRol4x/14AUdmavkpbqXvI4XSWhWXu7MXrJ9D4=";
    };
  
    vendorSha256 = "sha256-E5yDk48O7zze8QTeLQ999QmB8XLkpKNZ8JQ2wVRMGCU=";
  
    proxyVendor = true;
  
  
negative.code:     "static_build"
    ];
  
    preCheck = ''
      # Test all targets.
      unset subPackages
  
      # Remove tests that require external services.
      rm -rf \
        integration/suites \
        pkg/true_git/*test.go \
        test/e2e
    '';
  
    postInstall = ''
      installShellCompletion --cmd werf \
  