nix: add configuration

configuration.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
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+{ config, pkgs, ... }:
+
+{
+  imports =
+    [
+      # Include the results of the hardware scan.
+      ./hardware-configuration.nix
+    ];
+
+  # Bootloader.
+  boot.loader.systemd-boot.enable = true;
+  boot.kernelParams = [ "ipv6.disable=1" ];
+  boot.loader.efi.canTouchEfiVariables = true;
+  #
+  networking.hostName = "nz"; # Define your hostname.
+  networking.enableIPv6 = false;
+
+  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+
+  # Configure network proxy if necessary
+  # networking.proxy.default = "http://user:password@proxy:port/";
+  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+  # Enable networking
+  networking.networkmanager.enable = true;
+
+  # Set your time zone.
+  time.timeZone = "Europe/Moscow";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "ru_RU.UTF-8";
+    LC_IDENTIFICATION = "ru_RU.UTF-8";
+    LC_MEASUREMENT = "ru_RU.UTF-8";
+    LC_MONETARY = "ru_RU.UTF-8";
+    LC_NAME = "ru_RU.UTF-8";
+    LC_NUMERIC = "ru_RU.UTF-8";
+    LC_PAPER = "ru_RU.UTF-8";
+    LC_TELEPHONE = "ru_RU.UTF-8";
+    LC_TIME = "ru_RU.UTF-8";
+  };
+
+  # Enable the X11 windowing system.
+  services.xserver.enable = true;
+
+  # Enable the GNOME Desktop Environment.
+  services.xserver.displayManager.gdm.enable = true;
+  services.xserver.desktopManager.gnome.enable = true;
+
+  programs.hyprland.enable = true;
+  programs.hyprland.xwayland.enable = true;
+  programs.fish.enable = true;
+  programs.tmux.enable = true;
+  programs.neovim.enable = true;
+  programs.neovim.defaultEditor = true;
+  programs.git.enable = true;
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+  };
+  users.defaultUserShell = pkgs.fish;
+  environment.gnome.excludePackages = (with pkgs; [
+    gnome-photos
+    gnome-tour
+  ]) ++ (with pkgs.gnome; [
+    cheese # webcam tool
+    gnome-music
+    gedit # text editor
+    epiphany # web browser
+    geary # email reader
+    gnome-characters
+    tali # poker game
+    iagno # go game
+    hitori # sudoku game
+    atomix # puzzle game
+    yelp # Help view
+    gnome-contacts
+    gnome-initial-setup
+  ]);
+  #            programs.dconf.enable = true;
+  #	home-manager.users.sab = { lib, ... }: {
+  #  home.stateVersion = "23.05"; # Did you read the comment?
+  #	    dconf.settings = {
+  #    "org/gnome/desktop/input-sources" = {
+  #      show-all-sources = true;
+  #sources = [ (mkTuple [ "xkb" "eu" ]) (mkTuple [ "xkb" "us+altgr-intl" ]) ];
+  #sources = [ (lib.hm.gvariant.mkTuple [ "xkb" "eu" ]) ];
+  #sources = [ (mkTuple [ "xkb" "us" ]) ];
+  #      xkb-options = [ "terminate:ctrl_alt_bksp" ];
+  #    };
+  #    };
+  #};
+  # Configure keymap in X11
+  services.xserver = {
+    layout = "us,ru,dh";
+    #xkbVariant = "";
+
+    xkbOptions = "grp:shift_caps_toggle,grp_led:caps,caps:escape,terminate:ctrl_alt_bksp";
+  };
+
+  # Enable CUPS to print documents.
+  services.printing.enable = false;
+
+  # Enable sound with pipewire.
+  sound.enable = true;
+  hardware.pulseaudio.enable = false;
+  security.rtkit.enable = true;
+  security.sudo.wheelNeedsPassword = false;
+
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+    # If you want to use JACK applications, uncomment this
+    #jack.enable = true;
+
+    # use the example session manager (no others are packaged yet so this is enabled by default,
+    # no need to redefine it in your config for now)
+    #media-session.enable = true;
+  };
+  services.xserver.extraLayouts.dh = {
+    description = "Colemak-DH ergo";
+    languages = [ "eng" ];
+    #  symbolsFile = /home/sab/git_priv/BigBagKbdTrixXKB/xkb-data_xmod/xkb/symbols/colemak;
+    symbolsFile = /home/sab/colemak_dh;
+  };
+  # Enable touchpad support (enabled default in most desktopManager).
+  # services.xserver.libinput.enable = true;
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.sab = {
+    isNormalUser = true;
+    description = "Sergei";
+    extraGroups = [ "networkmanager" "wheel" ];
+    packages = with pkgs; [
+      firefox
+      #  thunderbird
+    ];
+  };
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = with pkgs; [
+    bat
+    fzf
+    gcc
+    gnumake
+    jq
+    # cargo
+    # nodejs_20
+    unzip
+    kitty
+    lf
+    curl
+    gnome.gnome-tweaks
+    wget
+    fd
+    neofetch
+    ripgrep
+  ];
+
+  fonts.fonts = with pkgs; [
+    (nerdfonts.override { fonts = [ "CascadiaCode" ]; })
+  ];
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  # programs.mtr.enable = true;
+
+  # List services that you want to enable:
+
+  # Enable the OpenSSH daemon.
+  services.openssh.enable = true;
+
+  # Open ports in the firewall.
+  # networking.firewall.allowedTCPPorts = [ ... ];
+  # networking.firewall.allowedUDPPorts = [ ... ];
+  # Or disable the firewall altogether.
+  networking.firewall.enable = false;
+
+  # 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
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "23.05"; # Did you read the comment?
+
+}