anchor.diff:  
     Paket = buildDotnetPackage rec {
       baseName = "Paket";
  -    version = "1.6.2";
  -
  -    src = fetchurl {
  -      name = "${baseName}-${version}.tar.gz";
  -      url = "https://github.com/fsprojects/Paket/archive/${version}.tar.gz";
  -      sha256 = "1ryslxdgc3r7kcn1gq4bqcyrqdi8z6364aj3lr7yjz71wi22fca8";
  +    version = "1.18.2";
  +
  +    src = fetchFromGitHub {
  +      owner = "fsprojects";
  +      repo = "Paket";
  +      rev = version;
  +      sha256 = "04iwy3mggz7xn36lhzyrwqzlw451a16jblwx131qjm6fnac6rq1m";
       };
   
       buildInputs = [
  
positive.code:        cp -v "${fileErrorHandling}" "paket-files/fsprojects/Chessie/src/Chessie/ErrorHandling.fs"
      '';
  
      xBuildFiles = [ ];
  
      outputFiles = [ "bin/*" ];
      exeFiles = [ "paket.exe" ];
  
negative.code:       sha256 = "1zxigqgb2s2v755622jbbzibvf91990x2dijhbdgg646vsybkpdp";
      };
  
      fileGlobbing = fetchurl {
        name = "Globbing.fs";
        url = https://raw.githubusercontent.com/fsharp/FAKE/8e65e2fc1406f326b44f3f87ec9ca9b3127a6e78/src/app/FakeLib/Globbing/Globbing.fs;
  