Deduplicate firefox, thunar, xfce, internationalization settings, nix-settings, and pipewire

modules/system/internationalization.nix

@@ -0,0 +1,24 @@
+{ config, pkgs, ... }:
+{
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "en_US.UTF-8";
+    LC_IDENTIFICATION = "en_US.UTF-8";
+    LC_MEASUREMENT = "en_US.UTF-8";
+    LC_MONETARY = "en_US.UTF-8";
+    LC_NAME = "en_US.UTF-8";
+    LC_NUMERIC = "en_US.UTF-8";
+    LC_PAPER = "en_US.UTF-8";
+    LC_TELEPHONE = "en_US.UTF-8";
+    LC_TIME = "en_US.UTF-8";
+  };
+
+  # Configure keymap in X11
+  services.xserver.xkb = {
+    layout = "us";
+    variant = "";
+  };
+
+}

modules/system/nix-settings.nix

@@ -0,0 +1,9 @@
+{ config, pkgs, ... }:
+{
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # Generally want a larger download buffer
+  nix.settings.download-buffer-size = 524288000;
+
+}

modules/system/pipewire.nix

@@ -0,0 +1,12 @@
+{ config, pkgs, ... }:
+{
+  services.pulseaudio.enable = false;
+
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+  };
+}