nixcfg/hosts/common/default.nix

# Common configuration for all hosts
{
  pkgs,
  lib,
  inputs,
  outputs,
  ...
}: {
  imports = [
    ./extraServices
    ./users
    inputs.home-manager.nixosModules.home-manager
  ];
  home-manager = {
    useUserPackages = true;
    extraSpecialArgs = {inherit inputs outputs;};
  };
  nixpkgs = {
    # You can add overlays here
    overlays = [
      # Add overlays your own flake exports (from overlays and pkgs dir):
      outputs.overlays.additions
      outputs.overlays.modifications
      outputs.overlays.stable-packages

      # You can also add overlays exported from other flakes:
      # neovim-nightly-overlay.overlays.default

      # Or define it inline, for example:
      # (final: prev: {
      #   hi = final.hello.overrideAttrs (oldAttrs: {
      #     patches = [ ./change-hello-to-hi.patch ];
      #   });
      # })
    ];
    # Configure your nixpkgs instance
    config = {
      # Disable if you don't want unfree packages
      allowUnfree = true;
    };
  };

  nix = let
    flakeInputs = lib.filterAttrs (_: lib.isType "flake") inputs;
  in {
    settings = {
      experimental-features = "nix-command flakes";
      trusted-users = [
        "root"
        "m3tam3re"
      ]; # Set users that are allowed to use the flake command
    };
    gc = {
      automatic = true;
      options = "--delete-older-than 30d";
    };
    optimise.automatic = true;
    registry = lib.mapAttrs (_: flake: {inherit flake;}) flakeInputs;
    nixPath = ["/etc/nix/path"] ++ lib.mapAttrsToList (flakeName: _: "${flakeName}=flake:${flakeName}") flakeInputs;
  };
  users.defaultUserShell = pkgs.fish;
}