chore: refactor system modules

system/packages/appimage.nix

@@ -0,0 +1,14 @@
+{
+  lib,
+  config,
+  ...
+}:
+with lib; let
+  cfg = config.system.packages.appimage;
+in {
+  options.system.packages.appimage.enable = mkEnableOption "Enables AppImage support";
+  config.programs.appimage = mkIf cfg.enable {
+    inherit (cfg) enable;
+    binfmt = true;
+  };
+}

system/packages/default.nix

@@ -0,0 +1,15 @@
+{pkgs, ...}: {
+  imports = [
+    ./appimage.nix
+    ./flatpak.nix
+    ./nano.nix
+    ./nix.nix
+    ./steam.nix
+  ];
+
+  environment.systemPackages = with pkgs; [
+    curl
+    openssl
+    wget
+  ];
+}

system/packages/flatpak.nix

@@ -0,0 +1,22 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}:
+with lib; let
+  cfg = config.system.packages.flatpak;
+in {
+  options.system.packages.flatpak = {
+    enable = mkEnableOption "Enable Flatpak support";
+    builder.enable = mkEnableOption "Enable Flatpak builder";
+  };
+  config = {
+    services.flatpak = mkIf cfg.enable {
+      inherit (cfg) enable;
+    };
+    environment.systemPackages = mkIf cfg.builder.enable [
+      pkgs.flatpak-buildR
+    ];
+  };
+}

system/packages/nano.nix

@@ -0,0 +1,14 @@
+{
+  programs.nano = {
+    enable = true;
+    syntaxHighlight = true;
+    nanorc = ''
+      set tabsize 2
+      set autoindent
+      set atblanks
+      set linenumber
+      set smarthome
+      set softwrap
+    '';
+  };
+}

system/packages/nix.nix

@@ -0,0 +1,49 @@
+{
+  lib,
+  config,
+  ...
+}:
+with lib; let
+  cfg = config.system.packages.nix;
+in {
+  options.system.packages.nix = {
+    allowUnfree = mkEnableOption "Enable unfree packages";
+    disableSandbox = mkEnableOption "Disable Nix sandbox";
+    gc = {
+      automatic = mkOption {
+        type = types.bool;
+        default = true;
+      };
+      dates = mkOption {
+        type = types.str;
+        default = "Monday 01:00 UTC";
+      };
+      options = mkOption {
+        type = types.str;
+        default = "--delete-older-than 30d";
+      };
+    };
+    nix-ld.enable = mkEnableOption "Enable unpatched binaries support";
+    trusted-users = mkOption {
+      type = types.listOf types.str;
+      example = ["alice" "bob"];
+      default = [];
+    };
+  };
+
+  config = {
+    nix = {
+      inherit (cfg) gc;
+      settings = {
+        inherit (cfg) trusted-users;
+        sandbox = cfg.disableSandbox;
+        experimental-features = ["nix-command" "flakes"];
+        auto-optimise-store = true;
+      };
+    };
+    nixpkgs.config.allowUnfree = true;
+    programs = {
+      inherit (cfg) nix-ld;
+    };
+  };
+}

system/packages/steam.nix

@@ -0,0 +1,34 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}:
+with lib; let
+  cfg = config.system.programs.steam;
+in {
+  options.system.programs.steam.enable = mkEnableOption "Enables Steam and Steam hardware";
+  config = mkIf cfg.enable {
+    programs = {
+      steam = {
+        inherit (cfg) enable;
+        protontricks.enable = true;
+        remotePlay.openFirewall = true;
+        localNetworkGameTransfers.openFirewall = true;
+        gamescopeSession.enable = true;
+        extraCompatPackages = [pkgs.proton-ge-bin];
+      };
+      gamescope = {
+        enable = true;
+        capSysNice = true;
+        args = [
+          "--rt"
+          "--expose-wayland"
+        ];
+      };
+    };
+    hardware.steam-hardware = {
+      inherit (cfg) enable;
+    };
+  };
+}