Refactoring the config

modules/common/default.nix

@@ -0,0 +1,45 @@
+{ nixpkgs-unstable, ... }:
+
+{
+  imports =
+    [
+      ./packages.nix
+      ./system.nix
+    ];
+
+  # Import local packages
+  nixpkgs.overlays = [
+    (final: prev: {
+      local = import ../../pkgs { pkgs = final; };
+    })
+
+    # Unstable
+    (final: prev: {
+      unstable = import nixpkgs-unstable {
+        system = prev.system;
+      };
+    })
+  ];
+
+  nixpkgs.config.allowUnfree = true;
+
+  nix.extraOptions = ''
+    experimental-features = nix-command flakes
+  '';
+
+  nix.optimise.automatic = true;
+
+  nix.gc = {
+    automatic = true;
+    dates = "weekly";
+    options = "--delete-older-than 30d";
+  };
+
+  # 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 = "22.11"; # Did you read the comment?
+}

modules/common/packages.nix

@@ -0,0 +1,32 @@
+{ pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    # Utilities
+    neovim
+    helix
+    wget
+    ripgrep
+    eza
+    bat
+    tree
+    dust
+    pciutils
+    man-pages
+    man-pages-posix
+    python3
+    any-nix-shell
+
+    # Nix
+    home-manager
+    nix-index
+    direnv
+  ];
+
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+  };
+}

modules/common/system.nix

@@ -0,0 +1,38 @@
+{ pkgs, ... }:
+
+{
+  # Time
+  time.timeZone = "Europe/Paris";
+
+  # Locale
+  i18n.defaultLocale = "fr_FR.UTF-8";
+
+  # Keyboard
+  console = {
+    font = "Lat2-Terminus16";
+    # keyMap = "fr";
+    useXkbConfig = true;
+  };
+
+  services.xserver.xkb.layout = "fr";
+  services.xserver.xkb.variant = "oss";
+
+  # Shell
+  programs.fish.enable = true;
+  programs.fish.promptInit = ''
+    any-nix-shell fish --info-right | source
+  '';
+  environment.shells = with pkgs; [ fish ];
+
+  # Environment Variables
+  environment.sessionVariables = {
+    EDITOR = "hx";
+  };
+
+  # Documentation
+  documentation.enable = true;
+  documentation.man.enable = true;
+  documentation.dev.enable = true;
+  # Fails for some reason
+  documentation.nixos.enable = true;
+}