{ # Snowfall Lib provides a customized `lib` instance with access to your flake's library # as well as the libraries available from your flake's inputs. lib, # An instance of `pkgs` with your overlays and packages applied is also available. pkgs, # You also have access to your flake's inputs. inputs, # Additional metadata is provided by Snowfall Lib. namespace, # The namespace used for your flake, defaulting to "internal" if not set. system, # The system architecture for this host (eg. `x86_64-linux`). target, # The Snowfall Lib target for this system (eg. `x86_64-iso`). format, # A normalized name for the system target (eg. `iso`). virtual, # A boolean to determine whether this system is a virtual target using nixos-generators. systems, # An attribute map of your defined hosts. # All other arguments come from the module system. config, ... }: let cfg = config.modules.nix-settings; in { options.modules.nix-settings = { enable = lib.mkOption { default = false; }; }; config = lib.mkIf cfg.enable { nix.settings.auto-optimise-store = true; nix.settings.experimental-features = [ "nix-command" "flakes" ]; # Setup binary caches nix.settings = { substituters = [ "https://nix-community.cachix.org" "https://cache.nixos.org/" "https://hyprland.cachix.org" "http://binarycache.julian-mutter.de" ]; trusted-public-keys = [ "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs=" "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc=" "binarycache.julian-mutter.de:oJ67uRFwRhNPKL58CHzy3QQLv38Kx7OA1K+6xlEPu7E=" ]; }; nix.gc = { automatic = true; dates = "weekly"; options = "--delete-older-than 30d"; }; programs.nix-ld.enable = true; }; }