anchor.diff:              out = config.system.build.toplevel;
             };
           };
  -
  -      system = "x86_64-darwin";
       in
  -      (import ./. { inherit nixpkgs configuration system; }).config.system.build.run-test;
  +      buildFromConfig configuration (config: config.system.build.run-test);
   
     release = import <nixpkgs/pkgs/top-level/release-lib.nix> {
       inherit supportedSystems scrubJobs;
  
positive.code:       meta.description = "Release-critical builds for the darwin channel";
      };
  
      examples.hydra = genExample ./modules/examples/hydra.nix;
      examples.lnl = genExample ./modules/examples/lnl.nix;
      examples.simple = genExample ./modules/examples/simple.nix;
  
      tests.activation-scripts = makeTest ./tests/activation-scripts.nix;
      tests.checks-nix-gc = makeTest ./tests/checks-nix-gc.nix;
  
negative.code: let
    inherit (release) mapTestOn packagePlatforms pkgs all linux darwin;
  
    system = "x86_64-darwin";
  
    mapPlatforms = systems: pkgs.lib.mapAttrs (n: v: systems);
  
    buildFromConfig = configuration: sel: sel
      (import ./. { inherit nixpkgs configuration system; }).config;
  
    makeSystem = configuration: pkgs.lib.genAttrs [ system ] (system:
      buildFromConfig configuration (config: config.system.build.toplevel)
    );
  
    makeTest = test:
  