configuration.nix

# 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 
    ./ssd-configuration.nix 
    ./users.nix <home-manager/nixos> 
  ]; 
  # Use the systemd-boot EFI boot loader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  # NOTE ON NETWORKING:
  # networkmanager was not able to connect to WLAN network and re-prompted the
  # password box every time. The problem seemed to be that - for some reason - 
  # wpa_supplicant was still running after `nixos-rebuild switch`. So kill it
  # first and then do `systemctl restart network-manager` and then maybe, maybe
  # it works again. :D

  networking.hostName = "citadel"; # Define your hostname.
 # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
   networking.networkmanager.enable = true;
  #networking.networkmanager.networks = {
  #  little_kittens = { psk = "are_so_sweet"; };
  #};
  
  networking.firewall.enable = true;

  # Configure network proxy if necessary
  # networking.proxy.default = "http://user:password@proxy:port/";
  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";

  # Select internationalisation properties.
  i18n = {
    consoleFont = "Lat2-Terminus16";
    consoleKeyMap = "us";
    defaultLocale = "en_GB.UTF-8";
  };

  # Set your time zone.
  time.timeZone = "Europe/Berlin";



  services.emacs.enable = true;

  fonts.fonts = with pkgs; [
    iosevka-bin
    unifont
    font-awesome_5
  ];

nixpkgs.config = {
  packageOverrides = pkgs: rec {
    polybar = pkgs.polybar.override {
      i3Support = true;
    };
  };
  };


  environment.systemPackages = with pkgs; [
    ##################
    # Nicer defaults #
    ##################
    
    bat # replaces cat
    prettyping # replaces ping
    fzf # replaces backward search
    skim # replaces backward search
    htop # replaces top
    tldr # shorter man

    noti # Notify when done with something
    
    autorandr
    dunst
    notify-desktop
    elinks # For reading html mails in mutt
    aspell
    aspellDicts.de
    aspellDicts.en
    aspellDicts.en-computers
    redshift
    wget
    neovim
    firefox
    networkmanager
    networkmanagerapplet
    home-manager
    git
    gnome3.gnome-terminal
    haskellPackages.gitit
    shutter
    signal-desktop
    zathura
    polybar
    killall
    rofi
    pmutils # Needed for handling closing of lid
  ];

  nixpkgs.config.allowUnfree = true;
  #nixpkgs.config.firefox = {
  #  enableAdobeFlash = true;
  #};

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  # programs.gnupg.agent = { enable = true; enableSSHSupport = 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;

  # Enable CUPS to print documents.
  # services.printing.enable = true;

  # Enable sound.
  sound.enable = true;
  hardware.pulseaudio.enable = true;
  hardware.pulseaudio.support32Bit = true;

  # Enable the X11 windowing system.
  services.xserver.enable = true;
  services.xserver.layout = "gb";
  services.xserver.xkbOptions = "caps:escape, compose:prsc";
  services.xserver.xkbModel = "pc105";

  services.upower.enable = true;

  # Enable touchpad support.
  services.xserver.libinput.enable = true;
  services.xserver.libinput.disableWhileTyping = true;
  services.xserver.synaptics = {
    twoFingerScroll = true; 
    vertTwoFingerScroll = true; 
    horizTwoFingerScroll = true; 
  };

  services.xserver.desktopManager = {
    default = "xfce";
    xterm.enable = false;
    xfce = {
      enable = true;
      noDesktop = true;
      enableXfwm = false;
    };
  };
  
  services.xserver.displayManager.lightdm.enable = true;

  services.xserver.windowManager.i3 = {
    enable = true;
    configFile = "/home/jub/.i3/config"; # TODO: Does not work ATM for some reason
    package = pkgs.i3-gaps;
    extraPackages = with pkgs; [
      dmenu
      i3status
      i3lock
    ];
  };

  services.nixosManual.showManual = true;

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.jub = {
    isNormalUser = true;
    extraGroups = [ "wheel" "networkmanager" ]; # Enable ‘sudo’ for the user.
  };

  # This value determines the NixOS release with which your system is to be
  # compatible, in order to avoid breaking some software such as database
  # servers. You should change this only after NixOS release notes say you
  # should.
  system.stateVersion = "19.03"; # Did you read the comment?

}