config/nix/configuration.nix

@@ -1,123 +1,9 @@
 { config, pkgs, ... }:
-{
+let
-  boot.loader.grub.enable = true;
+  recursiveMerge = import ./recursiveMerge.nix;
-  boot.loader.efi.canTouchEfiVariables = true;
+  getModule = name: import (./modules + "/${name}.nix") { inherit config pkgs; };
-
+in
-  networking.hostName = "nixos";
+recursiveMerge [
-  networking.wireless.enable = true; # Enable wireless support via wpa_supplicant
+  (getModule "common")
-
+  (getModule "x11")
-  time.timeZone = "Europe/Amsterdam";
+]
-
-  # TODO qwerty-fr for console
-
-  # Enable the X11 windowing system
-  services.xserver.enable = true;
-
-  # FIXME qwerty-fr for X11
-
-  # Enable CUPS to print documents
-  services.printing.enable = true;
-
-  # Enable sound
-  sound.enable = true;
-  hardware.pulseaudio.enable = true;
-
-  services.xserver.displayManager.startx.enable = true;
-  services.xserver.windowManager.i3.enable = true;
-
-  # Enable passwordless sudo
-  security.sudo.extraRules = [
-    { groups = ["wheel"]; commands = [ { command = "ALL"; options = ["NOPASSWD"]; } ]; }
-  ];
-
-  # Users
-  users.users.geoffrey = {
-    isNormalUser = true;
-    extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
-    packages = with pkgs; [
-      # dotfiles dependencies
-      coreutils
-      bash
-      gnugrep
-      gnused
-      gnutar
-      openssl
-      git
-      wget
-      curl
-      python3Packages.pip
-      ansible # TODO Reevaluate
-
-      # shell
-      zsh-completions
-      nix-zsh-completions
-      zsh-history-substring-search
-      antigen # TODO Reevaluate
-      powerline-go
-
-      # terminal essentials
-      moreutils
-      man
-      visidata
-      nodePackages.insect
-      translate-shell
-      unzip
-      unrar
-      p7zip
-
-      # remote
-      openssh
-      rsync
-      tigervnc # FIXME Only with display server
-
-      # DEBUG
-      firefox
-      tree
-      lolcat
-    ];
-    initialPassword = "cartable"; # DEBUG
-    openssh.authorizedKeys.keys = [
-      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPE41gxrO8oZ5n3saapSwZDViOQphm6RzqgsBUyA88pU geoffrey@frogeye.fr"
-    ];
-  };
-
-  environment.systemPackages = with pkgs; [
-    neovim
-    wget
-  ];
-
-  # Enable compilation cache
-  programs = {
-    ccache.enable = true;
-    # TODO Not enough, see https://nixos.wiki/wiki/CCache.
-    # Might want to see if it's worth using on NixOS
-    gnupg.agent.enable = true;
-
-    # TODO Below should be user config
-
-    zsh = {
-      enable = true;
-      autosuggestions.enable = true;
-      enableCompletion = true;
-      syntaxHighlighting.enable = true;
-    };
-    neovim = {
-      enable = true;
-      defaultEditor = true;
-      vimAlias = true;
-      viAlias = true;
-    };
-  };
-
-  services = {
-    # Enable the OpenSSH daemon
-    openssh.enable = true;
-    getty.autologinUser = "geoffrey"; # DEBUG
-  };
-
-  # TEST
-  system.copySystemConfiguration = true;
-
-  # Use defaults from
-  system.stateVersion = "23.05";
-}

config/nix/modules/common.nix

@@ -0,0 +1,112 @@
+{ pkgs, ... }:
+{
+  boot.loader.grub.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  networking.hostName = "nixos";
+  networking.wireless.enable = true; # Enable wireless support via wpa_supplicant
+
+  time.timeZone = "Europe/Amsterdam";
+
+  # TODO qwerty-fr for console
+
+  # Enable CUPS to print documents
+  services.printing.enable = true;
+
+  # Enable passwordless sudo
+  security.sudo.extraRules = [{
+    groups = [ "wheel" ];
+    commands = [{
+      command = "ALL";
+      options = [ "NOPASSWD" ];
+    }];
+  }];
+
+  # Users
+  users.users.geoffrey = {
+    isNormalUser = true;
+    extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
+    packages = with pkgs; [
+      # dotfiles dependencies
+      coreutils
+      bash
+      gnugrep
+      gnused
+      gnutar
+      openssl
+      git
+      wget
+      curl
+      python3Packages.pip
+      ansible # TODO Reevaluate
+
+      # shell
+      zsh-completions
+      nix-zsh-completions
+      zsh-history-substring-search
+      antigen # TODO Reevaluate
+      powerline-go
+
+      # terminal essentials
+      moreutils
+      man
+      visidata
+      nodePackages.insect
+      translate-shell
+      unzip
+      unrar
+      p7zip
+
+      # remote
+      openssh
+      rsync
+
+      # DEBUG
+      tree
+      lolcat
+
+    ];
+    initialPassword = "cartable"; # DEBUG
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPE41gxrO8oZ5n3saapSwZDViOQphm6RzqgsBUyA88pU geoffrey@frogeye.fr"
+    ];
+  };
+
+  environment.systemPackages = with pkgs; [ neovim wget ];
+
+  # Enable compilation cache
+  programs = {
+    ccache.enable = true;
+    # TODO Not enough, see https://nixos.wiki/wiki/CCache.
+    # Might want to see if it's worth using on NixOS
+    gnupg.agent.enable = true;
+
+    # TODO Below should be user config
+
+    zsh = {
+      enable = true;
+      autosuggestions.enable = true;
+      enableCompletion = true;
+      syntaxHighlighting.enable = true;
+    };
+    neovim = {
+      enable = true;
+      defaultEditor = true;
+      vimAlias = true;
+      viAlias = true;
+    };
+  };
+
+  services = {
+    # Enable the OpenSSH daemon
+    openssh.enable = true;
+    getty.autologinUser = "geoffrey"; # DEBUG
+  };
+
+  # TEST
+  system.copySystemConfiguration = true;
+
+  # Use defaults from
+  system.stateVersion = "23.05";
+
+}

config/nix/modules/x11.nix

@@ -0,0 +1,22 @@
+{ pkgs, ... }:
+{
+  # Enable the X11 windowing system
+  services.xserver.enable = true;
+
+  # FIXME qwerty-fr for X11
+
+  # Enable sound
+  sound.enable = true;
+  hardware.pulseaudio.enable = true;
+
+  services.xserver.displayManager.startx.enable = true;
+  services.xserver.windowManager.i3.enable = true;
+
+  users.users.geoffrey. packages = with pkgs; [
+    # remote
+    tigervnc
+
+    # remote
+    firefox
+  ];
+}

config/nix/recursiveMerge.nix

@@ -0,0 +1,23 @@
+let
+
+  pkgs = import <nixpkgs> { };
+  # Somehow, if fed the pkgs from a nix-build, it creates an infinite recursion, hence the search path
+  lib = pkgs.lib;
+
+  recursiveMerge = with lib; attrList:
+    let f = attrPath:
+      zipAttrsWith (n: values:
+        if tail values == [ ]
+        then head values
+        else if all isList values
+        then unique (concatLists values)
+        else if all isAttrs values
+        then f (attrPath ++ [ n ]) values
+        else last values
+      );
+    in f [ ] attrList;
+
+
+in
+
+recursiveMerge