anchor.diff:  , stdenv
   , buildGoModule
   , fetchFromGitHub
  +, fuse
  +, makeWrapper
   , openssl
   , pandoc
   , pkg-config
  
positive.code:   vendorSha256 = "sha256-Q/oBT5xdLpgQCIk7KES6c8+BaCQVUIwCwVufl4oTFRs=";
  
    nativeBuildInputs = [
      pkg-config
      pandoc
    ];
  
negative.code:     popd
    '';
  
    postInstall = ''
      wrapProgram $out/bin/gocryptfs \
        --prefix PATH : ${lib.makeBinPath [ fuse ]}
      ln -s $out/bin/gocryptfs $out/bin/mount.fuse.gocryptfs
    '';
  
    meta = with lib; {
      description = "Encrypted overlay filesystem written in Go";
      license = licenses.mit;
  