Initial commit. Functional flake configuration prototype.

.gitignore

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+**/.vscode

common/configs/networking.nix

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+{ lib, pkgs, ... } @ args: let 
+
+  inherit (lib) mkDefault;
+
+in {
+
+  # Whether to use NetworkManager to obtain an IP address and other configuration for all network interfaces that are not manually configured.
+  # If enabled, a group 'networkmanager' will be created. Add all users that should have permission to change network settings to this group.
+  networking.networkmanager.enable = mkDefault true;
+  networking.useDHCP = mkDefault true;
+
+  # Enable the firewall by default.
+  networking.firewall.enable = mkDefault true;
+}

common/configs/system.nix

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+# Here we define the shared system-wide configuration for each and every host.
+{ lib, pkgs, ... } @ args: let
+
+  inherit (lib) mkDefault;
+
+in {
+
+  imports = [ ./networking.nix ];
+
+  # Don't install the docs in the system. See: https://nixos.org/manual/nixos/stable/
+  documentation.nixos.enable = mkDefault false;
+  nixpkgs.config.allowUnfree = mkDefault true;
+
+  # Settings to use for the different TTY's.
+  console = {
+
+    earlySetup = mkDefault true;
+    keyMap = mkDefault "es";
+
+    packages = with pkgs; [ terminus_font ];
+    font = "${pkgs.terminus_font}/share/consolefonts/ter-132n.psf.gz";
+  };
+
+  # At least an editor to edit the configuration.
+  environment.systemPackages = with pkgs; [ nano ];
+  environment.variables = {
+
+    EDITOR = "nano";
+    VISUAL = "nano";
+  };
+
+  # Use English as language but Spanish units and currencies.
+  i18n.defaultLocale = mkDefault "en_US.UTF-8";
+  i18n.extraLocaleSettings = {
+
+    LC_NAME = mkDefault "es_ES.UTF-8";
+    LC_TIME = mkDefault "es_ES.UTF-8";
+    LC_PAPER = mkDefault "es_ES.UTF-8";
+    LC_ADDRESS = mkDefault "es_ES.UTF-8";
+    LC_NUMERIC = mkDefault "es_ES.UTF-8";
+    LC_MONETARY = mkDefault "es_ES.UTF-8";
+    LC_TELEPHONE = mkDefault "es_ES.UTF-8";
+    LC_MEASUREMENT = mkDefault "es_ES.UTF-8";
+    LC_IDENTIFICATION = mkDefault "es_ES.UTF-8";
+  };
+
+  # Only allow 'wheel' group members to use sudo.
+  security.sudo.enable = mkDefault true;
+  security.sudo.execWheelOnly = mkDefault true;
+
+  # Avoid problems if dual-booting with Windows.
+  time.hardwareClockInLocalTime = mkDefault true;
+  time.timeZone = mkDefault "Europe/Madrid";
+
+  # This value determines the NixOS release from which the default settings for stateful data, like file locations and database versions on your system were taken. 
+  # It‘s perfectly fine and recommended to leave this value at the release version of the first install of this system. Before changing this value read the documentation for this option.
+  system.stateVersion = mkDefault "23.05";
+}

common/profiles/guest.nix

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+{
+  username = "guest";
+  fullName = "Guest";
+
+  restrictRootAccess = true;
+}

common/profiles/ivan.nix

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+{
+  username = "iivvaannxx";
+  fullName = "Ivan Porto Wigner";
+  email = "[email protected]";
+}

flake.nix

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+{
+  description = "My personal NixOS Flake system configuration.";
+  inputs = {
+
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-23.05";
+    unstablepkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+
+    home-manager = {
+
+      url = "github:nix-community/home-manager/release-23.05";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = { nixpkgs, unstablepkgs, home-manager, ... } @ inputs: let
+
+    # The systems where this flake was tested.
+    testedSystems = {
+
+      x86_64-linux = "x86_64-linux";
+    };
+
+    # Extend the default library with our own set of functions.
+    lib = (nixpkgs.lib.extend (import ./overlays/lib.nix)) // home-manager.lib;
+
+    # Creates a host using the configuration in the given path.
+    createHost = hostPath: system: lib.custom.mkHost { 
+
+      inherit system hostPath inputs;
+
+      modules = import ./modules;
+      extraArgs = { };
+    };
+
+  in {
+
+    nixosConfigurations = {
+
+      # Home Desktop Computer.
+      desktop = createHost ./hosts/desktop testedSystems.x86_64-linux;
+    };
+  };
+}

hosts/desktop/configs/hardware.nix

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+{ config, lib, pkgs, modulesPath, ... } @ args: let
+
+in {
+
+  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" = { 
+
+    device = "/dev/disk/by-uuid/745067bc-0dec-42bc-b85e-10c273a7bd2d";
+    fsType = "ext4";
+  };
+
+  fileSystems."/boot" = { 
+
+    device = "/dev/disk/by-uuid/FC14-3DD4";
+    fsType = "vfat";
+  };
+
+  swapDevices = [ ];
+
+  modules.hardware.nvidia.enable = true;
+  modules.hardware.nvidia.tryFixTearing = true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

hosts/desktop/configs/networking.nix

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+{ config, lib, pkgs, ... } @ args: let
+
+in {
+
+
+}

hosts/desktop/configs/system.nix

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+{ config, lib, inputs, pkgs, upkgs, ... } @ args: let
+
+  inherit (lib.custom) importCommonConfig;
+
+  # The base configuration for every system.
+  commonSystemConfig = importCommonConfig "system";
+
+in {
+
+  imports = [ 
+
+    ./hardware.nix 
+    ./networking.nix
+
+    commonSystemConfig
+  ];
+
+  # Boot configuration.
+  boot.loader.timeout = 10;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  # Use systemd-boot as the default bootloader. See: https://nixos.wiki/wiki/Bootloader
+  boot.loader.systemd-boot = {
+
+    enable = true;
+    editor = false;
+    configurationLimit = 5;
+  };
+
+  modules.security.root.useDoasInsteadOfSudo = true;
+
+  services.xserver.enable = true;
+  services.xserver.displayManager.gdm.enable = true;
+  services.xserver.desktopManager.gnome.enable = true;
+  services.xserver.excludePackages = [ pkgs.xterm ];
+  services.xserver.desktopManager.xterm.enable = false;
+
+  # Configure keymap in X11
+  services.xserver = {
+
+    layout = "es";
+    xkbVariant = "";
+  };
+
+  services.gnome.core-utilities.enable = false;
+  environment.gnome.excludePackages = (with pkgs; [
+
+    gnome-tour
+  ]);
+
+  services.printing.enable = false;
+  sound.enable = true;
+
+  hardware.pulseaudio.enable = false;
+
+  security.rtkit.enable = true;
+  services.pipewire = {
+
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+  };
+
+  nixpkgs.config.allowUnfree = true;
+  environment.systemPackages = with pkgs; [
+
+    gnome.nautilus
+    gnome.seahorse
+    gnome.dconf-editor
+    gnome.gnome-tweaks
+  ];
+
+  programs._1password-gui.enable = true;
+  programs._1password-gui.polkitPolicyOwners = [ "iivvaannxx" ];
+
+  nix = {
+
+    package = pkgs.nixFlakes;
+    extraOptions = "experimental-features = nix-command flakes";
+
+    settings = {
+
+      auto-optimise-store = true;
+    };
+
+    gc = {
+
+      automatic = true;
+      dates = "weekly";
+
+      options = "--delete-older-than-7d";
+    };
+  };
+}