nix-dotfiles/flake.nix

{
  description = "Patrick's Darwin Nix setup";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    darwin = {
      url = "github:lnl7/nix-darwin/master";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    emacs = {
      url = "github:nix-community/emacs-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = { self, darwin, emacs, nixpkgs, home-manager, ... }@inputs:
    let system = "aarch64-darwin"; in
    let config = {
      allowUnfreePredicate = pkg: builtins.elem (nixpkgs.lib.getName pkg) [
        "vscode"
      ];
    }; in
    let overlays = [ emacs.overlay ] ++ import ./overlays.nix; in
    let pkgs = (import nixpkgs { inherit system config overlays; }); in
    {
      darwinConfigurations = {
        nixpkgs = pkgs;
        patrick = darwin.lib.darwinSystem {
          system = system;
          modules = [
            ./darwin-configuration.nix
            home-manager.darwinModules.home-manager
            {
              home-manager.useGlobalPkgs = true;
              home-manager.useUserPackages = true;
              home-manager.users.Patrick = import ./home.nix { nixpkgs = pkgs; };
            }
          ];
        };
      };
    };
}