move all expressions to nix/; include modularized home-manager config

nix/os/profiles/graphical/configuration.nix

@@ -0,0 +1,9 @@
+{ pkgs
+, ... 
+}:
+
+{
+  imports = [ 
+    ./system.nix
+  ];
+}

nix/os/profiles/graphical/system.nix

@@ -0,0 +1,112 @@
+{ pkgs
+, ... 
+}:
+
+{
+  networking.networkmanager = {
+    enable = true;
+    dns = "dnsmasq";
+    unmanaged = [
+      "interface-name:veth*"
+      "interface-name:virbr*"
+      "interface-name:br*"
+      "interface-name:*vbox*"
+      "interface-name:*cni*"
+    ];
+  };
+  services.resolved.enable = false;
+
+  users.defaultUserShell = pkgs.zsh;
+  environment.pathsToLink = [ "/share/zsh" ];
+
+  # hardware related services
+  services.illum.enable = true;
+  services.pcscd.enable = true;
+  hardware = {
+    bluetooth.enable = true;
+    pulseaudio = {
+      enable = true;
+      package = pkgs.pulseaudioFull;
+      support32Bit = true;
+    };
+  };
+  # required for running blueman-applet in user sessions
+  services.dbus.packages = with pkgs; [ 
+    blueman
+  ];
+
+  services.xserver = {
+    enable = true;
+    libinput.enable = true;
+    libinput.naturalScrolling = true;
+
+    videoDrivers = [ "qxl" "modesetting" "ati" "cirrus" "intel" "vesa" "vmware" "modesetting" ];
+    xkbVariant = "altgr-intl";
+    xkbOptions = "nodeadkeys";
+
+    desktopManager = {
+      # FIXME: gnome should be moved to user session
+      gnome3.enable = true;
+
+      xterm.enable = true;
+      plasma5.enable = false;
+    };
+
+    displayManager = {
+      gdm.enable = false;
+
+      lightdm = {
+        enable = true;
+        autoLogin = {
+          enable = true;
+          user = "steveej";
+        };
+        background = "${pkgs.nixos-artwork.wallpapers.simple-blue}/share/artwork/gnome/nix-wallpaper-simple-blue.png";
+      };
+
+      sessionCommands = ''
+      '';
+    };
+  };
+
+  services.gnome3 = {
+    gnome-disks.enable = false;
+    gnome-documents.enable = false;
+    gnome-online-miners.enable = false;
+    gnome-user-share.enable = false;
+    gnome-terminal-server.enable = false;
+    gpaste.enable = false;
+    sushi.enable = false;
+    tracker.enable = false;
+
+    # FIXME: gnome should be moved to user session
+    seahorse.enable = true;
+    gvfs.enable = true;
+    at-spi2-core.enable = true;
+    evolution-data-server.enable = true;
+    gnome-online-accounts.enable = true;
+    gnome-keyring.enable = true;
+  };
+
+  # More Services
+  services.udev.packages = [
+    pkgs.libu2f-host
+    pkgs.yubikey-personalization
+  ];
+  services.udev.extraRules = ''
+    # OnePlusOne
+    ATTR{idVendor}=="05c6", ATTR{idProduct}=="6764", SYMLINK+="libmtp-%k", MODE="660", GROUP="audio", ENV{ID_MTP_DEVICE}="1", ENV{ID_MEDIA_PLAYER}="1", TAG+="uaccess"
+    ATTR{idVendor}=="05c6", ATTR{idProduct}=="6765", SYMLINK+="libmtp-%k", MODE="660", GROUP="audio", ENV{ID_MTP_DEVICE}="1", ENV{ID_MEDIA_PLAYER}="1", TAG+="uaccess"
+
+    # Plantronics BackBeat PRO
+    SUBSYSTEM=="usb", ATTR{idVendor}=="047f", ATTR{idProduct}=="011a", GROUP="users", MODE="0777"
+    SUBSYSTEM=="usb", ATTR{idVendor}=="047f", ATTR{idProduct}=="fffe", GROUP="users", MODE="0777"
+    SUBSYSTEM=="usb", ATTR{idVendor}=="047f", ATTR{idProduct}=="0001", GROUP="users", MODE="0777"
+  '';
+
+
+  services.samba.enable = true;
+  services.samba.extraConfig = ''
+    client max protocol = SMB3
+  '';
+}