let
  system = "my-system";
  foo = derivation {
    inherit system;
    name = "foo";
    builder = "/bin/bash";
    args = ["-c" "echo foo > $out"];
  };
  bar = derivation {
    inherit system;
    name = "bar";
    builder = "/bin/bash";
    args = ["-c" "echo bar > $out"];
  };
in
derivation {
  inherit system;
  name = "advanced-attributes";
  builder = "/bin/bash";
  args = [ "-c" "echo hello > $out" ];
  __sandboxProfile = "sandcastle";
  __noChroot = true;
  __impureHostDeps = ["/usr/bin/ditto"];
  impureEnvVars = ["UNICORN"];
  __darwinAllowLocalNetworking = true;
  allowedReferences = [foo];
  allowedRequisites = [foo];
  disallowedReferences = [bar];
  disallowedRequisites = [bar];
  requiredSystemFeatures = ["rainbow" "uid-range"];
  preferLocalBuild = true;
  allowSubstitutes = false;
}