nix/lib/templates/nix-flake/flake.nix

{
  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";

  inputs.pre-commit-hooks.url = "github:cachix/pre-commit-hooks.nix";
  inputs.pre-commit-hooks.inputs.nixpkgs.follows = "nixpkgs";

  outputs =
    {
      self,
      nixpkgs,
      pre-commit-hooks,
      ...
    }:
    let
      systems = [
        "aarch64-linux"
        "aarch64-darwin"
        "x86_64-darwin"
        "x86_64-linux"
      ];
      forSystems = nixpkgs.lib.genAttrs systems;
      pkgsFor = system: (import nixpkgs { inherit system; });
      genPkgs = func: (forSystems (system: func (pkgsFor system)));
    in
    {
      formatter = genPkgs (pkgs: pkgs.nixfmt-rfc-style);

      checks = genPkgs (pkgs: {
        pre-commit-check = pre-commit-hooks.lib.${pkgs.system}.run {
          src = ./.;
          hooks = {
            nixfmt-rfc-style.enable = true;
          };
        };
      });

      devShells = genPkgs (pkgs: {
        nix = pkgs.mkShell {
          packages = with pkgs; [
            nixd
            nixfmt-rfc-style
          ];
          inherit (self.outputs.checks.${pkgs.system}.pre-commit-check) shellHook;
        };

        default = self.outputs.devShells.${pkgs.system}.nix;
      });

      /*
        packages = genPkgs (pkgs: import ./pkgs {inherit pkgs;});
        overlays = import ./overlays self;
        nixosModules = import ./modules/nixos;
        homeManagerModules = import ./modules/home-manager;
        nixosConfigurations = import ./nixos;
        homeConfigurations = import ./home
        templates = import ./templates;
      */
    };
}