Migrated to NixOS 20.03

roles/desktop_common.nix

@@ -37,22 +37,33 @@
   networking.networkmanager.enable = true;  # Enables network support via NetworkManager.
 
   # Enable common desktop services
-  services.acpid.enable = true;
+  services = {
-  services.blueman.enable = true;
+    acpid.enable = true;            # A daemon for delivering ACPI events to userspace programs
+    blueman.enable = true;          # GTK-based Bluetooth Manager
+    devmon.enable = true;           # Enable external device automounting.`
+    udev.packages = [
+      pkgs.android-udev-rules       # Android udev rules list
+    ];
+    udisks2.enable = true;          # Enable udisks2
+
+    xserver = {
+      enable = true;
+      desktopManager = {
+        gnome3.enable = true;       # Enable GNOME desktop environment
+      };
+      displayManager = {
+        defaultSession = "gnome";   # Set GNOME as the default session
+        gdm.enable = true;          # Enable the GNOME display manager
+      };
+      libinput.enable = true;       # Enable touchpad support.
+    };
+  };
+
   powerManagement.enable = true;
 
-  services.udisks2.enable = true;                        # Enable udisks2
-  services.devmon.enable = true;                         # Enable external device automounting.`
-  services.udev.packages = [
-    pkgs.android-udev-rules                              # Android udev rules list
-  ];
-
-  services.xserver.enable = true;
-  services.xserver.libinput.enable = true;               # Enable touchpad support.
-  services.xserver.displayManager.sddm.enable = true;    # Enable SDDM
-  services.xserver.desktopManager.plasma5.enable = true; # Enable KDE
-
   sound.enable = true;   # Enable sound.
+
+  # Configure common hardware settings
   hardware = {
     pulseaudio = {
       enable = true;
@@ -61,13 +72,14 @@
     };
     bluetooth = {
       enable = true;   # Enable bluetooth
-      extraConfig = "
+      config = {
-        [General]
+        General = {
-        Enable=Source,Sink,Media,Socket
+          Enable = "Source,Sink,Media,Socket";
-
+        };
-        [Policy]
+        Policy = {
-        AutoEnable=true
+          AutoEnable = "true";
-      ";
+        };
+      };
     };
     opengl.enable = true;
   };

roles/host_common.nix

@@ -11,9 +11,13 @@
 
   # Select internationalisation properties.
   i18n = {
-    consoleFont = "ter-powerline-v16Rv";
+    defaultLocale = "en_AU.UTF-8";   # Set the default locale
-    consoleKeyMap = "us";
+  };
-    defaultLocale = "en_AU.UTF-8";
+
+  # Set the defaul console properties
+  console = {
+    keyMap = "us";                    # Set the default console key map
+    font   = "ter-powerline-v16Rv";   # Set the default console font
   };
 
   time.timeZone = "Australia/Brisbane"; # Set your preferred timezone:
@@ -47,7 +51,7 @@
       lsof              # list open files
       direnv            # A shell extension that manages your environment
       killall           # kill processes by name
-      openssl           # A cryptographic library that implements the SSL and TLS protocols
+      #openssl           # A cryptographic library that implements the SSL and TLS protocols
       (
         import ../roles/vim.nix
       )

roles/iohk.nix

@@ -18,10 +18,6 @@
     "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ="
   ];
 
-  imports = [
-    ./crystal0.32.nix
-  ];
-
   # Set the system-wide environment
   environment = {
     systemPackages = with pkgs; [
@@ -31,7 +27,7 @@
       freerdp          # A Remote Desktop Protocol Client, xfreerdp
       gnupg            # GNU Privacy Guard, a GPL OpenPGP implementation
       go-jira          # Simple command line client for Atlassian's Jira service written in Go
-      icr              # Interactive console for the Crystal programming languag
+      #icr              # Interactive console for the Crystal programming languag
       jq               # A lightweight and flexible command-line JSON processor
       scry             # Code analysis server for the Crystal programming language
       shards           # Dependency manager for the Crystal language

roles/tmux.nix

@@ -9,7 +9,7 @@
       enable = true;
       aggressiveResize = true;
       clock24 = true;
-      extraTmuxConf = ''
+      extraConfig = ''
         POWERLINE_COMMAND="/run/current-system/sw/bin/powerline"
         POWERLINE_CONFIG_COMMAND="/run/current-system/sw/bin/powerline-config"
         run-shell "/run/current-system/sw/bin/powerline-daemon -q"

roles/xmonad.nix

@@ -4,30 +4,34 @@
 
 {
 
-  services.xserver.enable = true;                        # Enable the X11 windowing system.
+  services = {
-  services.xserver.layout = "us";                        # Set your preferred keyboard layout.
+    devmon.enable = true;                       # Enable external device automounting.
-  services.xserver.desktopManager.default = "none";      # Unset the default desktop manager.
+    udisks2.enable = true;                      # Enable udisks2.
-  services.xserver.windowManager = {                     # Open configuration for the window manager.
+
-    xmonad.enable = true;                                # Enable xmonad.
+    xserver = {
-    xmonad.enableContribAndExtras = true;                # Enable xmonad contrib and extras.
+      enable = true;                            # Enable the X11 windowing system.
-    xmonad.extraPackages = hpkgs: [                      # Open configuration for additional Haskell packages.
+      desktopManager = {
-      hpkgs.xmonad-contrib                               # Install xmonad-contrib.
+        xterm.enable = false;                   # Disable NixOS default desktop manager.
-      hpkgs.xmonad-extras                                # Install xmonad-extras.
+        gnome3.enable = true;                   # Enable GNOME desktop environment
-      hpkgs.xmonad                                       # Install xmonad itself.
+      };
-    ];
+      displayManager = {
-    default = "xmonad";                                  # Set xmonad as the default window manager.
+        defaultSession = "none+xmonad";         # Set xmonad as the default window manager.
+        gdm.enable = true;                      # Enable the GNOME display manager
+      };
+      layout = "us";                            # Set your preferred keyboard layout.
+      libinput.enable = true;                   # Enable touchpad support.
+      windowManager = {                         # Open configuration for the window manager.
+        xmonad.enable = true;                   # Enable xmonad.
+        xmonad.enableContribAndExtras = true;   # Enable xmonad contrib and extras.
+        xmonad.extraPackages = hpkgs: [         # Open configuration for additional Haskell packages.
+          hpkgs.xmonad-contrib                  # Install xmonad-contrib.
+          hpkgs.xmonad-extras                   # Install xmonad-extras.
+          hpkgs.xmonad                          # Install xmonad itself.
+        ];
+      };
+    };
   };
 
-  services.xserver.desktopManager.xterm.enable = false;  # Disable NixOS default desktop manager.
-
-  services.xserver.libinput.enable = true;               # Enable touchpad support.
-
-  services.udisks2.enable = true;                        # Enable udisks2.
-  services.devmon.enable = true;                         # Enable external device automounting.
-
-  services.xserver.displayManager.gdm.enable = true;     # Enable the GNOME display manager
-  services.xserver.desktopManager.gnome3.enable = true;  # Enable GNOME desktop environment
-
   sound = {
     mediaKeys = {
       enable = true;