anchor.diff:      ] else [
         openssl
       ];
  +
  +  cargoTestFlags = [ "--lib" ];
   
     postInstall = lib.optionalString enableCompletions ''
       # Install shell function
  
positive.code: 
  rustPlatform.buildRustPackage rec {
    pname = "himalaya";
    version = "0.5.5";
  
    src = fetchFromGitHub {
      owner = "soywod";
      repo = pname;
      rev = "v${version}";
      sha256 = "sha256-BZTecYNY8gbGe+r80QWi7FkC56dww9rrtwLfi9ya1mQ=";
    };
  
    cargoSha256 = "sha256-2xkKJqp7uf0gh8g2zzDjSl8foTvPj6MVHfDuSr914HU=";
  
    nativeBuildInputs = lib.optionals enableCompletions [ installShellFiles ]
      ++ lib.optionals (!stdenv.hostPlatform.isDarwin) [ pkg-config ];
  
negative.code:     description = "CLI email client written in Rust";
      homepage = "https://github.com/soywod/himalaya";
      changelog = "https://github.com/soywod/himalaya/blob/v${version}/CHANGELOG.md";
      license = licenses.bsdOriginal;
      maintainers = with maintainers; [ yanganto ];
    };
  }
  