flake/modules/cli/nix.nix

{
  pkgs,
  lib,
  inputs,
  config,
  ...
}: {
  nix = {
    # This will add each flake input as a registry
    # To make nix3 commands consistent with your flake
    registry = lib.mapAttrs (_: value: {flake = value;}) inputs;

    # This will additionally add your inputs to the system's legacy channels
    # Making legacy nix commands consistent as well, awesome!
    nixPath = lib.mapAttrsToList (key: value: "${key}=${value.to.path}") config.nix.registry;

    optimise.automatic = true;
    settings = {
      warn-dirty = false;
      experimental-features = ["nix-command" "flakes"];
      use-xdg-base-directories = true;
      substituters = [
        "https://nix-community.cachix.org"
        "https://ghostty.cachix.org"
      ];
      trusted-public-keys = [
        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
        "ghostty.cachix.org-1:QB389yTa6gTyneehvqG58y0WnHjQOqgnA+wBnpWWxns="
      ];
    };
    gc =
      {
        automatic = true;
        options = "--delete-older-than 14d";
      }
      // (
        if pkgs.stdenv.isLinux
        then {
          dates = "weekly";
        }
        else {
          interval = {
            Weekday = 0;
            Hour = 0;
            Minute = 0;
          };
        }
      );
    extraOptions = ''
      keep-outputs = true
      keep-derivations = true
    '';
  };
  nixpkgs.config.allowUnfree = true;
  nixpkgs.config.android_sdk.accept_license = true;
}