anchor.diff:    
     emulate_kitchensink_debug = pkgs.lib.genAttrs systems (system:
     let
  -    pkgs = import nixpkgs { inherit system; };
  +    pkgs = import nixpkgs { inherit system; config.allowUnfree = allowUnfree; };
     in
     import ./emulate-kitchensink {
       inherit (pkgs) androidenv;
  
positive.code:   
    kitchensink_android_release = pkgs.lib.genAttrs systems (system:
    let
      pkgs = import nixpkgs { inherit system; };
    in
    import ./kitchensink {
      inherit (pkgs) fetchgit;
  
negative.code:   
    emulate_kitchensink_release = pkgs.lib.genAttrs systems (system:
    let
      pkgs = import nixpkgs { inherit system; config.allowUnfree = allowUnfree; };
    in
    import ./emulate-kitchensink {
      inherit (pkgs) androidenv;
  