modularise config

common/base-hardware.nix

@@ -0,0 +1,35 @@
+{ config, pkgs, ... }:
+
+{
+  boot.initrd.luks.devices = [
+    {
+      name = "root";
+      device = "/dev/disk/by-partlabel/nixos";
+      preLVM = true;
+      allowDiscards = true;
+    }
+  ];
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  # Bluetooth
+  hardware.bluetooth.enable = true;
+  hardware.bluetooth.extraConfig = "
+    [General]
+    Enable=Source,Sink,Media,Socket
+  ";
+
+  # Sound.
+  sound.enable = true;
+  hardware.pulseaudio = {
+    enable = true;
+    support32Bit = true;
+    extraModules = [ pkgs.pulseaudio-modules-bt ];
+    package = pkgs.pulseaudioFull;
+  };
+
+  # USB devices
+  hardware.u2f.enable = true;
+}
+

common/docker.nix

@@ -0,0 +1,9 @@
+{ config, pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    docker-compose
+  ];
+
+  virtualisation.docker.enable = true;
+}

common/gnome.nix

@@ -0,0 +1,25 @@
+{ config, pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    gnome3.dconf-editor
+    gnome3.gnome-tweaks
+    gnomeExtensions.dash-to-panel
+    gnomeExtensions.topicons-plus
+  ];
+
+  # Enable Gnome 3
+  services.xserver.displayManager.gdm.enable = true;
+  services.xserver.displayManager.gdm.wayland = false;
+  services.xserver.desktopManager.gnome3.enable = true;
+  environment.gnome3.excludePackages = with pkgs; [
+    gnome3.geary
+    gnome3.gnome-weather
+    gnome3.gnome-calendar
+    gnome3.gnome-maps
+    gnome3.gnome-contacts
+    gnome3.gnome-software
+    gnome3.gnome-packagekit
+    gnome3.epiphany
+  ];
+} 

common/gpu-bumblebee.nix

@@ -0,0 +1,7 @@
+{ config, pkgs, ... }:
+
+{
+  # Graphics drivers
+  hardware.bumblebee.enable = true;
+  hardware.opengl.driSupport32Bit = true;
+}

common/gpu-nvidia.nix

@@ -0,0 +1,7 @@
+{ config, pkgs, ... }:
+
+{
+  # Graphics drivers
+  services.xserver.videoDrivers = [ "nvidia" ];
+  hardware.opengl.driSupport32Bit = true;
+}

common/gpu-optimus.nix

@@ -0,0 +1,9 @@
+{ config, pkgs, ... }:
+
+{
+  # Graphics drivers
+  services.xserver.videoDrivers = [ "nvidia" ];
+  hardware.nvidia.optimus_prime.enable = true;
+  hardware.nvidia.optimus_prime.nvidiaBusId = "PCI:2:0:0";
+  hardware.nvidia.optimus_prime.intelBusId = "PCI:0:2:0";
+}

common/gtk.nix

@@ -0,0 +1,7 @@
+{ config, pkgs, ... }:
+
+{
+  services.dbus.packages = with pkgs; [
+    gnome3.dconf gnome2.GConf
+  ];
+}

common/i18n.nix

@@ -0,0 +1,15 @@
+{ config, pkgs, ... }:
+
+{
+  # Select internationalisation properties.
+  i18n = {
+    consoleFont = "Lat2-Terminus16";
+    consoleKeyMap = "uk";
+    defaultLocale = "en_GB.UTF-8";
+    inputMethod.enabled = "ibus";
+    inputMethod.ibus.engines = with pkgs.ibus-engines; [ uniemoji ];
+  };
+ 
+  # Set your time zone.
+  time.timeZone = "Europe/Berlin";
+}

common/ledger.nix

@@ -0,0 +1,9 @@
+{ config, pkgs, ... }:
+
+{
+  hardware.ledger.enable = true;
+  services.udev.extraRules = ''
+    # Nano S
+    SUBSYSTEMS=="usb", ATTRS{idVendor}=="2c97", ATTRS{idProduct}=="0001|1000|1001|1002|1003|1004|1005|1006|1007|1008|1009|100a|100b|100c|100d|100e|100f|1010|1011|1012|1013|1014|1015|1016|1017|1018|1019|101a|101b|101c|101d|101e|101f", TAG+="uaccess", TAG+="udev-acl"
+  '';
+}

common/nix.nix

@@ -0,0 +1,10 @@
+{ config, pkgs, ... }:
+
+{
+  nix.autoOptimiseStore = true;
+  nix.gc = {
+    automatic = true;
+    dates = "weekly";
+    options = "--delete-older-than 30d";
+  };
+}

common/system.nix

@@ -0,0 +1,14 @@
+{ config, pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    wget
+    curl
+    networkmanager
+    neovim
+  ];
+
+  fonts.enableDefaultFonts = true;
+
+  services.printing.enable = true;
+}

common/x11.nix

@@ -0,0 +1,8 @@
+{ config, pkgs, ... }:
+
+{
+  # Enable the X11 windowing system.
+  services.xserver.enable = true;
+  services.xserver.layout = "gb";
+  services.xserver.xkbOptions = "eurosign:e";
+}

common/xmonad.nix

@@ -0,0 +1,8 @@
+{ config, pkgs, ... }:
+
+{
+  # Enable xmonad
+  services.xserver.displayManager.lightdm.enable = true;
+  services.xserver.windowManager.default = "xmonad";
+  services.xserver.windowManager.xmonad.enable = true;
+}