anchor.diff:    postUnpack = ''
       cp -r ${manifests} source/cmd/flux/manifests
     '';
  +
  +  # Required to workaround test error:
  +  #   panic: mkdir /homeless-shelter: permission denied
  +  HOME="$TMPDIR";
   
     doInstallCheck = true;
     installCheckPhase = ''
  
positive.code: { lib, buildGoModule, fetchFromGitHub, fetchzip, installShellFiles }:
  
  let
    version = "0.16.2";
  
    manifests = fetchzip {
      url = "https://github.com/fluxcd/flux2/releases/download/v${version}/manifests.tar.gz";
      sha256 = "05khmpbv42wjpkdb4n51pnq678la6hjfhkyy49d0j2kcnvfd1m5p";
      stripRoot = false;
    };
  in
  
negative.code:     owner = "fluxcd";
      repo = "flux2";
      rev = "v${version}";
      sha256 = "1pw558d64c6ynqnnadhg8vbi4ql6f5y81l9hpxi0ki5myj2kx6an";
    };
  
    vendorSha256 = "sha256-FUASe7EQ8YVv3R6fPPLtsvMibe00Ox596GoTyKt0S+E=";
  
    nativeBuildInputs = [ installShellFiles ];
  
  