Add support for darwin

machines/demeter/configuration.nix

@@ -0,0 +1,59 @@
+{ pkgs, ... }:
+
+{
+  imports = [ <home-manager/nix-darwin> ];
+
+  nixpkgs.config.allowUnfree = true;
+
+  environment = { variables = { LANG = "en_US.UTF-8"; }; };
+
+  networking = { hostName = "demeter"; };
+
+  system.defaults = {
+    NSGlobalDomain = {
+      AppleMeasurementUnits = "Centimeters";
+      AppleMetricUnits = 1;
+      AppleShowScrollBars = "Automatic";
+      AppleTemperatureUnit = "Celsius";
+      AppleKeyboardUIMode = 3;
+      ApplePressAndHoldEnabled = false;
+      InitialKeyRepeat = 10;
+      KeyRepeat = 3;
+      _HIHideMenuBar = true;
+    };
+
+    dock = {
+      autohide = true;
+      mru-spaces = false;
+      tilesize = 512;
+    };
+
+    finder = {
+      AppleShowAllExtensions = true;
+      QuitMenuItem = true;
+      FXEnableExtensionChangeWarning = false;
+    };
+
+    trackpad = {
+      Clicking = true;
+      TrackpadThreeFingerDrag = true;
+      TrackpadRightClick = true;
+    };
+
+    # Login and lock screen
+    loginwindow = { GuestEnabled = false; };
+  };
+
+  # Auto upgrade nix package and the daemon service.
+  services.nix-daemon.enable = true;
+  nix.package = pkgs.nixFlakes;
+
+  programs.zsh = {
+    enable = true;
+    # https://github.com/nix-community/home-manager/issues/108#issuecomment-340397178
+    enableCompletion = false;
+  };
+
+  # Used for backwards compatibility, please read the changelog before changing.
+  system.stateVersion = 4;
+}

machines/hermes/configuration.nix

@@ -1,17 +0,0 @@
-{ config, pkgs, ... }:
-
-{
-  imports = [ ./hardware.nix ];
-
-  # Use the systemd-boot EFI boot loader.
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "hermes";
-
-  networking.interfaces.wlp61s0.useDHCP = true;
-
-  services.power-profiles-daemon.enable = false;
-
-}
-

machines/hermes/hardware.nix

@@ -1,31 +0,0 @@
-{ config, lib, pkgs, modulesPath, ... }:
-
-{
-  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
-
-  boot.initrd.availableKernelModules =
-    [ "xhci_pci" "nvme" "usb_storage" "sd_mod" ];
-  boot.initrd.kernelModules = [ "dm-snapshot" ];
-  boot.kernelModules = [ "kvm-intel" ];
-  boot.extraModulePackages = [ ];
-
-  boot.initrd.luks.devices.luksroot = {
-    device = "/dev/disk/by-uuid/4b886807-3e19-437c-84bb-c2dd766fc19b";
-    allowDiscards = true;
-  };
-
-  fileSystems."/" = {
-    device = "/dev/disk/by-uuid/48d2e958-00a0-47fa-8c32-9aec031f6098";
-    fsType = "ext4";
-  };
-
-  fileSystems."/boot" = {
-    device = "/dev/disk/by-uuid/D387-B640";
-    fsType = "vfat";
-  };
-
-  swapDevices =
-    [{ device = "/dev/disk/by-uuid/92c35fa7-2d2e-4172-abaf-4c81599782f1"; }];
-
-  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
-}