anchor.diff:    inputs = 
       {
         # Core dependencies.
  -      # Two inputs so I can track them separately at different rates.
  -      nixpkgs.url          = "nixpkgs/master";
  +      # Two inputs so I can track them independently
  +      nixpkgs.url = "nixpkgs/master";
         nixpkgs-unstable.url = "nixpkgs/master";
  -
  -      home-manager.url   = "github:rycee/home-manager/master";
  +      home-manager.url = "github:rycee/home-manager/master";
         home-manager.inputs.nixpkgs.follows = "nixpkgs";
   
         # Extras
  
positive.code:         mapModules ./overlays import;
  
        packages."${system}" =
          mapModules ./packages
            (p: pkgs.callPackage p {});
  
        nixosModules =
          { dotfiles = import ./.; }
          // mapModulesRec ./modules import;
  
        nixosConfigurations =
          mapHosts ./hosts { inherit system; };
  
        devShell."${system}" =
          import ./shell.nix { inherit pkgs; };
      };
  }
  
negative.code: 
    outputs = inputs @ { self, nixpkgs, nixpkgs-unstable, ... }:
      let
        inherit (lib.my) mapModules mapModulesRec mapHosts;
  
        system = "x86_64-linux";
  