anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "sumneko-lua-language-server";
  -  version = "1.16.0";
  +  version = "1.20.2";
   
     src = fetchFromGitHub {
       owner = "sumneko";
       repo = "lua-language-server";
       rev = version;
  -    sha256 = "1fqhvmz7a4qgz3zq6qgpcjhhhm2j4wpx0385n3zcphd9h9s3a9xa";
  +    sha256 = "sha256-7Ishq/TonJsteHBGDTNjImIwGPdeRgPS1g60d8bhTYg=";
       fetchSubmodules = true;
     };
   
  
positive.code:   '';
  
    installPhase = ''
      mkdir -p $out/bin $out/extras
      cp -r ./{locale,meta,script,*.lua} $out/extras/
      cp ./bin/Linux/{bee.so,lpeglabel.so} $out/extras
  
negative.code:   '';
  
    ninjaFlags = [
      "-fninja/linux.ninja"
    ];
  
    postBuild = ''
      cd ../..
  