configuration-sanitised.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, lib, ... }:

let

  oldTarball =
    fetchTarball "https://nixos.org/channels/nixos-18.09/nixexprs.tar.xz";
  myPkgs = { termonad = pkgs.callPackage ./myPkgs/termonad.nix { }; };
  # all-hies =
  #   import (fetchTarball "https://github.com/infinisil/all-hies/tarball/master")
  #     { };

in {
  imports = [
    # Include the results of the hardware scan.
    ./hardware-configuration.nix
    ./cachix.nix
  ];

  # nixpkgs.overlays = [
  #   (import (builtins.fetchTarball {
  #     url =
  #     "https://github.com/nix-community/emacs-overlay/archive/master.tar.gz";
  #   }))
  # ];

  nixpkgs.config = {
    allowUnfree = true;
    packageOverrides = pkgs: {
      old = import oldTarball { config = config.nixpkgs.config; };

      # lxappearance bug(?) https://github.com/NixOS/nixpkgs/issues/26909 
      lxappearance = pkgs.lxappearance.overrideAttrs (old: rec {
        name = "lxappearance-0.6.2";
        src = pkgs.fetchurl {
          url = "mirror://sourceforge/project/lxde/LXAppearance/${name}.tar.xz";
          sha256 = "07r0xbi6504zjnbpan7zrn7gi4j0kbsqqfpj8v2x94gr05p16qj4";
        };
      });
    };
  };

  # Use the systemd-boot EFI boot loader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;
  # Maybe fixes a reboot-hang issue (commented out since this doesn't really fix the issue: could not repro)
  # boot.kernelParams = [ ''acpi_osi=! acpi_osi="Windows 2009"'' ];
  # boot.kernelPackages = oldpkgs.linuxPackages_5_1; # no longer available on the 19.09 channel (heard on IRC that the non-LTS versions got removed)
  # boot.kernelPackages = pkgs.linuxPackages_latest; # unstable on TR hardware 
  # does this make fwupd work?
  hardware.cpu.amd.updateMicrocode = true; 
  hardware.enableRedistributableFirmware = true;
  # Graphics
  hardware.opengl.enable = true; 
  hardware.opengl.driSupport = true;

  networking = { 
    hostName = "quasar-nixos-tr"; 
    wireless = { enable = false; }; 
    networkmanager = { 
      enable = true;
      unmanaged = [ "enp4s0" ];
    }; 
    
    extraHosts = ''
    192.168.0.145 home-server 
    127.0.0.1 quasar.localhost
    127.0.0.1 linkerd.service
    127.0.0.1 redis.service
    '';
    
    interfaces.enp4s0.ipv4.addresses = [{
      address      = "192.168.0.200"; 
      prefixLength = 24;
    }];
    
    defaultGateway = "192.168.0.1";
    nameservers = [ "8.8.8.8" "8.8.4.4" ];

  };
  # 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_US.UTF-8";
  # };

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

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = (with pkgs; []);

  fonts.fonts = with pkgs; [ fira-code fira-code-symbols iosevka ];

  programs = {
    light.enable = true;

    ssh = {
      # Starts the SSH agent 
      startAgent = true;
    };

    zsh = {};
  };

  # 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:
  #
  # thermald below fails with "Unsupported cpu model." 
  # Jul 01 12:34:09 quasar-nixos-tr systemd[1]: Started Thermal Daemon Service.
  # Jul 01 12:34:09 quasar-nixos-tr thermald[80419]: NO RAPL sysfs present
  # Jul 01 12:34:09 quasar-nixos-tr thermald[80419]: I/O warning : failed to load external entity "/nix/store/hrancdhyvq4afqwzjq5g681rk19s041p-thermald-1.8/etc/thermald/thermal-conf.xml"
  # Jul 01 12:34:09 quasar-nixos-tr thermald[80419]: error: could not parse file /nix/store/hrancdhyvq4afqwzjq5g681rk19s041p-thermald-1.8/etc/thermald/thermal-conf.xml
  # Jul 01 12:34:09 quasar-nixos-tr thermald[80419]: Unsupported cpu model, use thermal-conf.xml file or run with --ignore-cpuid-check
  # Jul 01 12:34:09 quasar-nixos-tr thermald[80419]: THD engine start failed
  # Jul 01 12:34:09 quasar-nixos-tr systemd[1]: thermald.service: Main process exited, code=exited, status=1/FAILURE
  # Jul 01 12:34:09 quasar-nixos-tr systemd[1]: thermald.service: Failed with result 'exit-code'.

  services.compton = {
    # enable = true;
    # shadow = true;
    # fade = true;
    # inactiveOpacity = "0.8";
  };

  # Enable the OpenSSH daemon.
  services.openssh.enable = true;

  services.clipmenu.enable = true;

  services.atd = {
    enable = true;
    allowEveryone = 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;
    drivers = [ pkgs.gutenprint ];
  };

  services.avahi = {
    enable = true;
    nssmdns = true;
  };

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

  # nvidia 
  # hardware.nvidia = { 
  # optimus_prime = { 
  # enable = true; 
  # nvidiaBusId = "PCI:2:0:0";
  # intelBusId = "PCI:0:2:0";
  # };
  # };

  # hardware.opengl.extraPackages = [ pkgs.linuxPackages.nvidia_x11.out ]; 
  # hardware.opengl.extraPackages32 = [ pkgs.linuxPackages.nvidia_x11.lib32 ]; 

  services.xserver = {
    enable = true;
    windowManager.default = "xmonad";
    dpi = 157;
    layout = "us";
    libinput.enable = true;
    videoDrivers = [ "amdgpu" ];
    xkbModel = "pc105";
    xkbOptions = "ctrl:nocaps, ctrl:lctrl_meta";
    windowManager.xmonad = {
      enable = true;
      enableContribAndExtras = true;
      extraPackages = haskellPackages: [
        haskellPackages.xmonad-contrib
        haskellPackages.xmonad-extras
        haskellPackages.xmonad
        haskellPackages.xmonad-spotify
        haskellPackages.protolude
      ];
    };
    # displayManager.sddm.enable = true; 
    displayManager = { lightdm.enable = true; };
    desktopManager.plasma5.enable = true;
  };

  virtualisation = {
    docker = {
      enable = true; # storageDriver = "zfs";
      autoPrune = {
        enable = true;
        dates = "daily";
      };
    };
  };

  systemd.services.nginx.wantedBy = lib.mkForce [ ];

  # Create a video group
  users.groups.video = { };

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.ashesh = {
    isNormalUser = true;
    extraGroups = [ "wheel" "video" "docker" ]; # Enable ‘sudo’ for the user.
    shell = "/run/current-system/sw/bin/zsh";
  };

  # 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?

}