configuration.nix

{ config, pkgs, lib, ... }:
{
  # NixOS wants to enable GRUB by default
  boot.loader.grub.enable = false;
  # Enables the generation of /boot/extlinux/extlinux.conf
  boot.loader.generic-extlinux-compatible.enable = true;
 
  #boot.kernelPackages = pkgs.linuxPackages_latest; # This is the default, AFAIK, and did not boot
  boot.kernelPackages = pkgs.linuxPackages_4_13; # With this, everything is fine.
  
  # Needed for the virtual console to work on the RPi 3, as the default of 16M doesn't seem to be enough.
  boot.kernelParams = ["cma=32M"];

  environment.systemPackages = with pkgs; [
    htop
    vim
    tmux
    git
  ];
  
  # File systems configuration for using the installer's partition layout
  fileSystems = {
    "/boot" = {
      device = "/dev/disk/by-label/NIXOS_BOOT";
      fsType = "vfat";
    };
    "/" = {
      device = "/dev/disk/by-label/NIXOS_SD";
      fsType = "ext4";
    };
  };

  programs.bash.enableCompletion = true;

  services.openssh.enable = true;
  services.avahi = {
    enable = true;
    nssmdns = true;
    publish.enable = true;
    publish.addresses = true;
  };

  i18n = {
    consoleKeyMap = "cf";
    defaultLocale = "en_CA.UTF-8";
  };
  
  # The manual might fail with out of memory error on the installation media.
  services.nixosManual.enable = false;

  networking.hostName = "bart";

  swapDevices = [ { device = "/swapfile"; size = 2048; } ];

  users.extraUsers.samuel = {
    home = "/Users/samuel";
    description = "Samuel Dionne-Riel";
    isNormalUser = true;
    uid = 1000;
    extraGroups = [
      "adm"
      "audio"
      "wheel"
      "systemd-journal"
    ];
  };
}