anchor.diff:        src = fetchFromGitHub {
           owner = "KhronosGroup";
           repo = "SPIRV-Cross";
  -        rev = "50b4d5389b6a06f86fb63a2848e1a7da6d9755ca";
  -        hash = "sha256-SsupPHJ3VHxJhEAUl3EeQwN4texYhdDjxTnGD+bkNAw=";
  +        rev = "61c603f3baa5270e04bcfb6acf83c654e3c57679";
  +        hash = "sha256-gV5ba8SlPmkUptZkQfrrEDoFXrFTfs3eVOf807cO/f8=";
         };
       });
       spirv-headers = spirv-headers.overrideAttrs (_: {
         src = fetchFromGitHub {
           owner = "KhronosGroup";
           repo = "spirv-headers";
  -        rev = "5a121866927a16ab9d49bed4788b532c7fcea766";
  -        hash = "sha256-X4GuFesX015mrzutguhZLrIGlllCgAZ+DUBGSADt8xU=";
  +        rev = "b2a156e1c0434bc8c99aaebba1c7be98be7ac580";
  +        hash = "sha256-qYhFoRrQOlvYvVXhIFsa3dZuORDpZyVC5peeYmGNimw=";
         };
       });
       spirv-tools = (spirv-tools.overrideAttrs (old: {
         src = fetchFromGitHub {
           owner = "KhronosGroup";
           repo = "spirv-tools";
  -        rev = "b930e734ea198b7aabbbf04ee1562cf6f57962f0";
  -        hash = "sha256-NWpFSRoxtYWi+hLUt9gpw0YScM3shcUwv9yUmbivRb0=";
  +        rev = "5e61ea2098220059e89523f1f47b0bcd8c33b89a";
  +        hash = "sha256-jpVvjrNrTAKUY4sjUT/gCUElLtW4BrznH1DbStojGB8=";
         };
       })).override { inherit (finalAttrs.passthru) spirv-headers; };
       vulkan-headers = vulkan-headers.overrideAttrs (old: {
         src = fetchFromGitHub {
           owner = "KhronosGroup";
           repo = "Vulkan-Headers";
  -        rev = "3ef4c97fd6ea001d75a8e9da408ee473c180e456";
  -        hash = "sha256-jHzW3m9smuzEGbZrSyBI74K9rFozxiG3M5Xql/WOw7U=";
  +        rev = "c896e2f920273bfee852da9cca2a356bc1c2031e";
  +        hash = "sha256-zUT5+Ttmkrj51a9FS1tQxoYMS0Y0xV8uaCEJNur4khc=";
         };
       });
     };
  
positive.code:       src = fetchFromGitHub {
          owner = "KhronosGroup";
          repo = "glslang";
          rev = "adbf0d3106b26daa237b10b9bf72b1af7c31092d";
          hash = "sha256-sjidkiPtRADhyOEKDb2cHCBXnFjLwk2F5Lppv5/fwNQ=";
        };
      })).override { inherit (finalAttrs.passthru) spirv-headers spirv-tools; };
      spirv-cross = spirv-cross.overrideAttrs (old: {
  
negative.code:     owner = "KhronosGroup";
      repo = "MoltenVK";
      rev = "v${finalAttrs.version}";
      hash = "sha256-+/vlZvEuake0E2jFZOcctEVGMCcXelGPQJXt1EI06us=";
    };
  
    patches = [
  