configuration.nix

{ config, pkgs, lib, ... }:

{
  imports =
    [ # Include the results of the hardware scan.
      ./hardware-configuration.nix
    ];
  # boot.blacklistedKernelModules = ["nouveau"];
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;
  boot.initrd.postDeviceCommands = ''
    modprobe nvme
    echo -n 'Waiting for NVMe #1'
    while [ ! -e /dev/nvme0n1 ]; do
      sleep 0.1
      echo -n .
    done
    echo -n 'Waiting for NVMe #2'
    while [ ! -e /dev/nvme1n1 ]; do
      sleep 0.1
      echo -n .
    done
    zpool import -a
  '';
  boot.supportedFilesystems = [ "zfs" ];
  # boot.zfs.enableUnstable = true;
  boot.kernelParams = [ "boot.shell_on_fail" ];

  hardware.opengl.driSupport32Bit=true;
  hardware.pulseaudio.support32Bit = true;
  # hardware.nvidiaOptimus.disable = true;
  # hardware.bumblebee = {
  #   enable = true;
  #   connectDisplay = true;
  #   driver = "nvidia";
  # };

  systemd.coredump.enable = true;

  security.pam.loginLimits = [
    {
      domain = "*";
      type   = "soft";
      item   = "core";
      value  = "unlimited";
    }
  ];

  networking.hostName = "durandal";
  networking.hostId = "0f3cd500";
  networking.wireless.enable = true;

  time.timeZone = "America/New_York";

  services.postgresql = {
    enable = true;
    package = pkgs.postgresql96;
  };
  services.pcscd.enable = true;

  nix.gc.automatic = false;

  environment.systemPackages = with pkgs; [
     slock
     libu2f-host
  ];

  security.setuidPrograms = [ "slock" ];

  services.udev.extraRules = ''
ACTION!="add|change", GOTO="u2f_internal_end"

# Yubico YubiKey
KERNEL=="hidraw*", SUBSYSTEM=="hidraw", ATTRS{idVendor}=="1050", ATTRS{idProduct}=="0113|0114|0115|0116|0120|0402|0403|0406|0407|0410", TAG+="uaccess", GROUP="maurer", MODE="0666"

LABEL="u2f_internal_end"
  '';

  systemd.user.services.emacs = {
    description = "Emacs Daemon";
    environment = {
      GTK_DATA_PREFIX = config.system.path;
      SSH_AUTH_SOCK = "%t/ssh-agent";
      GTK_PATH = "${config.system.path}/lib/gtk-3.0:${config.system.path}/lib/gtk-2.0";
      NIX_PROFILES = "${pkgs.lib.concatStringsSep " " config.environment.profiles}"; 
      TERMINFO_DIRS = "/run/current-system/sw/share/terminfo";
      ASPELL_CONF = "dict-dir /run/current-system/sw/lib/aspell";
    };
    serviceConfig = {
      Type = "forking";
      ExecStart = "${pkgs.emacs}/bin/emacs --daemon";
      ExecStop = "${pkgs.emacs}/bin/emacsclient --eval (kill-emacs)";
      Restart = "always";
    };
    wantedBy = [ "default.target" ];
  };

  systemd.services.emacs.enable = true;

  fonts = {
    enableFontDir = true;
    enableGhostscriptFonts = true;
    enableCoreFonts = true;
    fonts = with pkgs; [
      corefonts
      inconsolata
      source-code-pro
      source-sans-pro
      unifont
      dejavu_fonts
      google-fonts
      terminus_font
      unifont_upper
    ];
  };

  services.printing = {
    enable = true;
    drivers = [ pkgs.hplipWithPlugin pkgs.gutenprint ];
  };
  services.sshd.enable = true;
  services.xserver = {
    enable = true;
    layout = "us";
    # videoDrivers = [ "intel" "nouveau" ];
    serverLayoutSection = ''
      Option "AIGLX" "On"
      Inactive "Device-nouveau[0]"
      Screen 0 "Screen-intel[0]"
    EndSection
    Section "ServerLayout"
      Identifier "Inactive"
    EndSection
    '';
    videoDrivers = lib.mkForce [];
    drivers = [
    ({ driverName = ''nouveau"
     BusID "PCI:1:0:0'';
     name = "nouveau";
     modules = [pkgs.xorg.xf86videonouveau]; 
     })
    ({ driverName = ''intel"
     BusID "PCI:0:2:0''; 
     name = "intel";
     modules = [pkgs.xorg.xf86videointel];
     })
    ];
    displayManager.lightdm.enable = true;
    desktopManager.xterm.enable = false;
    desktopManager.default = "none";
    windowManager.default = "xmonad";
    windowManager.xmonad = {
      enable = true;
      enableContribAndExtras = true;
    };
    synaptics = {
      enable = true;
      twoFingerScroll = true;
      tapButtons = false;
      palmDetect = true;
    };
  };

  services.logind.extraConfig = ''
    HandleLidSwitch=ignore
  '';

  hardware.pulseaudio.enable = true;
  hardware.trackpoint = {
    enable = true;
    emulateWheel = true;
  };

  nixpkgs.config.allowUnfree = true;

  nix.binaryCaches = [ "https://cache.nixos.org" ];
  nix.binaryCachePublicKeys = [
    "hydra.nixos.org-1:CNHJZBh9K4tP3EKF6FkkgeVYsS3ohTl+oS0Qa8bezVs="
  ];

  nix.nrBuildUsers = 100;

  virtualisation.virtualbox.host.enable = true;
  virtualisation.docker.enable = true;
  virtualisation.docker.storageDriver = "zfs";
  networking.nameservers = [ "8.8.8.8" ];

  users.extraUsers.maurer = {
     isNormalUser = true;
     uid = 1000;
     extraGroups = [ "wheel" "audio" "docker" "vboxusers" ];
  };
}