anchor.diff:      owner = "KhronosGroup";
       repo = "MoltenVK";
       rev = "v${finalAttrs.version}";
  -    hash = "sha256-+/vlZvEuake0E2jFZOcctEVGMCcXelGPQJXt1EI06us=";
  +    hash = "sha256-PqrKGNGw7nJbirRgIargIV6Jbgoblu+2fn5qdHKI6BI=";
     };
   
     patches = [
  
positive.code:       src = fetchFromGitHub {
          owner = "KhronosGroup";
          repo = "glslang";
          rev = "73c9630da979017b2f7e19c6549e2bdb93d9b238";
          hash = "sha256-+NKp/4e3iruAcTunpxksvCHxoVYmPd0kFI8JDJJUVg4=";
        };
      })).override { inherit (finalAttrs.passthru) spirv-headers spirv-tools; };
      spirv-cross = spirv-cross.overrideAttrs (old: {
  
negative.code: 
  stdenv.mkDerivation (finalAttrs: {
    pname = "MoltenVK";
    version = "1.2.0";
  
    buildInputs = [ AppKit Foundation Metal QuartzCore cereal ]
      ++ lib.attrValues finalAttrs.passthru;
  