massive rearchitecture

configuration/base.nix

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+# Edit this configuration file to define what should be installed on
+# your system. Help is available in the configuration.nix(5) man page, on
+# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
+
+{ config, lib, pkgs, inputs, ... }:
+
+{
+  imports =
+    [
+      ./nix-settings.nix
+      ./fonts.nix
+      ./kde.nix
+      ./virtualisation.nix
+    ];
+
+  # Use the systemd-boot EFI boot loader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+  boot.kernelPackages = pkgs.linuxPackages_zen;
+
+  hardware.bluetooth.enable = true;
+
+  # networking.hostName = "nixos"; # Define your hostname.
+  # Pick only one of the below networking options.
+  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+  networking.networkmanager = {
+    # Easiest to use and most distros use this by default.
+    enable = true;
+    wifi.powersave = false;
+  };
+
+  # Set your time zone.
+  time.timeZone = "Europe/London";
+
+  # Configure network proxy if necessary
+  # networking.proxy.default = "http://user:password@proxy:port/";
+  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+  # Enable CUPS to print documents.
+  # services.printing.enable = true;
+
+  # Enable sound.
+  # hardware.pulseaudio.enable = true;
+  # OR
+  services.pipewire = {
+    enable = true;
+    pulse.enable = true;
+  };
+
+  services.fstrim.enable = true;
+  # services.resolved.enable = true;
+  services.mullvad-vpn = {
+    enable = true;
+    package = pkgs.mullvad-vpn;
+  };
+
+  services.fwupd.enable = true;
+  services.geoclue2.enable = true;
+  services.flatpak.enable = true;
+
+  programs.nix-ld.enable = true;
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = with pkgs;
+    [
+      nixpkgs-fmt
+
+      gcc
+
+      vim
+      curl
+      wget
+      inetutils
+      rar
+
+      nuspell
+      hunspellDicts.en-gb-ise
+
+      libva-utils
+      smartmontools
+    ];
+
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  # programs.mtr.enable = true;
+  # programs.gnupg.agent = {
+  #   enable = true;
+  #   enableSSHSupport = true;
+  # };
+
+  # List services that you want to enable:
+
+  # Enable the OpenSSH daemon.
+  # services.openssh.enable = true;
+
+  # Open ports in the firewall.
+  # 443 Helldivers crashes internet otherwise
+  networking.firewall.allowedTCPPorts = [ 443 ];
+  networking.firewall.allowedUDPPorts = [ 443 ];
+  # Or disable the firewall altogether.
+  # networking.firewall.enable = false;
+
+  # Copy the NixOS configuration file and link it from the resulting system
+  # (/run/current-system/configuration.nix). This is useful in case you
+  # accidentally delete configuration.nix.
+  # system.copySystemConfiguration = true;
+
+  # This option defines the first version of NixOS you have installed on this particular machine,
+  # and is used to maintain compatibility with application data (e.g. databases) created on older NixOS versions.
+  #
+  # Most users should NEVER change this value after the initial install, for any reason,
+  # even if you've upgraded your system to a new NixOS release.
+  #
+  # This value does NOT affect the Nixpkgs version your packages and OS are pulled from,
+  # so changing it will NOT upgrade your system - see https://nixos.org/manual/nixos/stable/#sec-upgrading for how
+  # to actually do that.
+  #
+  # This value being lower than the current NixOS release does NOT mean your system is
+  # out of date, out of support, or vulnerable.
+  #
+  # Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
+  # and migrated your data accordingly.
+  #
+  # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
+  system.stateVersion = "24.05"; # Did you read the comment?
+
+}

configuration/fonts.nix

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+{ config, lib, pkgs, inputs, ... }:
+
+{
+  fonts.enableDefaultPackages = true;
+  fonts.packages = with pkgs; [
+    noto-fonts
+    noto-fonts-cjk-sans
+    noto-fonts-cjk-serif
+  ];
+
+  # Select internationalisation properties.
+  i18n = {
+    defaultLocale = "en_GB.UTF-8";
+    supportedLocales = [
+      "en_GB.UTF-8/UTF-8"
+      "en_US.UTF-8/UTF-8"
+      "ja_JP.UTF-8/UTF-8"
+    ];
+    inputMethod = {
+      enable = true;
+      type = "fcitx5";
+      fcitx5 = {
+        waylandFrontend = true;
+        addons = with pkgs; [ fcitx5-mozc ];
+      };
+    };
+  };
+
+
+  console = {
+    #   font = "Lat2-Terminus16";
+    keyMap = "uk";
+    #   useXkbConfig = true; # use xkb.options in tty.
+  };
+}

configuration/kde.nix

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+{ config, lib, pkgs, inputs, ... }:
+
+{
+  services.xserver.enable = true; # optional
+
+  # Configure keymap in X11
+  # services.xserver.xkb.layout = "us";
+  # services.xserver.xkb.options = "eurosign:e,caps:escape";
+
+  services.displayManager.sddm.enable = true;
+  services.displayManager.sddm.wayland.enable = true;
+  services.desktopManager.plasma6.enable = true;
+
+  environment.systemPackages = with pkgs;
+    [ ] ++ (with kdePackages; [
+      sddm-kcm
+      plasma-disks
+      partitionmanager
+      filelight
+      ffmpegthumbs
+      kcalc
+    ]);
+}

configuration/nix-settings.nix

@@ -0,0 +1,10 @@
+{ config, lib, pkgs, inputs, ... }:
+
+{
+  nixpkgs.config.allowUnfree = true;
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+  nix.settings.auto-optimise-store = true;
+  nix.gc.automatic = true;
+  nix.gc.options = "--delete-older-than 30d";
+}
+

configuration/virtualisation.nix

@@ -0,0 +1,22 @@
+{ config, lib, pkgs, inputs, ... }:
+
+{
+  virtualisation = {
+    containers = {
+      # Enable common container config files in /etc/containers
+      enable = true;
+    };
+    libvirtd = {
+      enable = true;
+    };
+    podman = {
+      enable = true;
+      # Create a `docker` alias for podman, to use it as a drop-in replacement
+      dockerCompat = true;
+      # Required for containers under podman-compose to be able to talk to each other.
+      defaultNetwork.settings.dns_enabled = true;
+    };
+  };
+  programs.virt-manager.enable = true;
+}
+