anchor.diff:                dist test;
             })
           # darwin is special in this
  -        // optionalAttrs supportDarwin {
  +        // optionalAttrs supportDarwin.x86_64 {
             x86_64-darwin =
               let
                 bootstrap = import ../stdenv/darwin/make-bootstrap-tools.nix { system = "x86_64-darwin"; };
  
positive.code:       lib-tests = import ../../lib/tests/release.nix { inherit pkgs; };
        pkgs-lib-tests = import ../pkgs-lib/tests { inherit pkgs; };
  
        darwin-tested = if supportDarwin then pkgs.releaseTools.aggregate
          { name = "nixpkgs-darwin-${jobs.tarball.version}";
            meta.description = "Release-critical builds for the Nixpkgs darwin channel";
            constituents =
  
negative.code: 
    systemsWithAnySupport = supportedSystems ++ limitedSupportedSystems;
  
    supportDarwin = lib.genAttrs [
      "x86_64"
      "aarch64"
    ] (arch: builtins.elem "${arch}-darwin" systemsWithAnySupport);
  
    jobs =
      { tarball = import ./make-tarball.nix { inherit pkgs nixpkgs officialRelease supportedSystems; };
  