anchor.diff:  let
     srcDeps = lib.singleton (
       fetchurl {
  -      url = "https://github.com/google/desugar_jdk_libs/archive/f5e6d80c6b4ec6b0a46603f72b015d45cf3c11cd.zip";
  -      sha256 = "c80f3f3d442d8a6ca7adc83f90ecd638c3864087fdd6787ffac070b6f1cc8f9b";
  +      url = "https://github.com/google/desugar_jdk_libs/archive/fd937f4180c1b557805219af4482f1a27eb0ff2b.zip";
  +      sha256 = "04hs399340xfwcdajbbcpywnb2syp6z5ydwg966if3hqdb2zrf23";
       }
     );
   
  
positive.code: 
    src = fetchurl {
      url = "https://github.com/bazelbuild/bazel/releases/download/${version}/bazel-${version}-dist.zip";
      sha256 = "081z40vsxvw6ndiinik4pn09gxmv140k6l9zv93dgjr86qf2ir13";
    };
  
    sourceRoot = ".";
  
    patches =
      lib.optional enableNixHacks ./nix-hacks.patch
      # patch perl out of the bash completions
      # should land in 0.18
      ++ [(fetchpatch {
             url = "https://github.com/bazelbuild/bazel/commit/27be70979b54d7510bf401d9581fb4075737ef34.patch";
             sha256 = "04rip46lnibrsdyzjpi29wf444b49cbwb1xjcbrr3kdqsdj4d8h5";
         })];
  
    # Bazel expects several utils to be available in Bash even without PATH. Hence this hack.
  
  
negative.code: in
  stdenv.mkDerivation rec {
  
    version = "0.18.0";
  
    meta = with lib; {
      homepage = "https://github.com/bazelbuild/bazel/";
  