x1_conf.nix

{ config, lib, ... }:
let
  overlayLua  = (import ./overlay_lua.nix);
  overlayRofi = (import ./overlay_rofi.nix);

  sources = import /home/b/.nixp/nix/sources.nix;

  pkgs = import sources.nixpkgs {
    config.allowUnfree = true;
    overlays = [ overlayLua overlayRofi ];
  };
in
{
  imports =
    [ # Include the results of the hardware scan.
      /etc/nixos/hardware-configuration.nix
      #./hardware-configuration.nix
    ];

  boot = {
    # Use the systemd-boot EFI boot loader.
    loader.systemd-boot.enable = true;
    loader.efi.canTouchEfiVariables = true;

    #loader.grub.configurationLimit = 10; # ??

    #kernelPackages = pkgs.linuxPackagesFor pkgs.linux_testing;
    kernelPackages = pkgs.linuxPackagesFor pkgs.linux_latest;

    #kernelModules = [ "kvm-intel" ];
    initrd.kernelModules = [ "i915" ];

    kernelParams = [
      "ipv6.disable=1" "pcie_aspm=force" "iwlwifi.power_save=Y" "acpi_brightness=vendor"
      "i915.enable_rc6=7" "i915.enable_psr=1" "i915.enable_fbc=1" "i915.lvds_downclock=1" "i915.semaphores=1"
      "quiet" "vt.global_cursor_default=0" "vga=current"
    ];

    extraModulePackages = with config.boot.kernelPackages; [ acpi_call ];

    blacklistedKernelModules = [ "snd_hda_intel" "snd_soc_skl" ];

    consoleLogLevel = 3;

    extraModprobeConfig = ''
      options snd-hda-intel model=laptop-dmic
    '';

    # clear screen
    initrd.preLVMCommands = ''
      printf '\033[2J'
      printf '\e[3J'
    '';

    plymouth.enable = true;

    cleanTmpDir = true;
  };

  # run on wake up
  powerManagement.resumeCommands = ''
    echo 1 > /sys/devices/platform/thinkpad_acpi/leds/tpacpi::kbd_backlight/brightness
    echo 1 > /sys/devices/platform/i8042/serio1/resetafter
  '';
    #${pkgs.alsaTools}/bin/hda-verb /dev/snd/hwC0D0 0x17 SET_CONNECT_SEL 1
    #/run/current-system/sw/bin/ip ro add default via 192.168.1.250

  # WiFi
  services.connman = {
    enable = true;
    #package = "pkgs.connmanFull"
    enableVPN = false;
    extraFlags = [ "--nodnsproxy" ];
    wifi.backend = "iwd";
  };

  # DNS-over-TLS
  #services.stubby = {
  #  enable = true;
  #  listenAddresses = [ "127.0.0.1" ];
  #};
  
  services.dnsmasq = {
    enable = true;
    #servers = [ "1.1.1.1" ];
    #servers = [ "1.1.1.2" ];
    extraConfig = ''
      domain-needed
      bogus-priv
      no-resolv

      server=/lan/192.168.1.250
      server=1.1.1.1

      listen-address=127.0.0.1
      bind-interfaces
    '';
      #resolv-file=/etc/resolv.personal
      #addn-hosts=/etc/hosts.adblock
  };
  
  #services.unbound = {
  #  enable = true;
  #  forwardAdresses = [ "1.1.1.1" ];
  #};
  
  system.nssDatabases.hosts = lib.mkForce [ "files" "mymachines" "myhostname" "resolve" "[!UNAVAIL=return]" "dns" ];
  
  networking = {
    hostName = "x1";
    usePredictableInterfaceNames = false;
    useDHCP = false;
  };

  # Enable sound.
  sound.enable = true;

  nixpkgs.config.packageOverrides = pkgs: {
    vaapiIntel = pkgs.vaapiIntel.override {
      enableHybridCodec = true;
    };
  };

  hardware = {
    opengl = {
      enable = true;
      extraPackages = with pkgs; [
        vaapiIntel
        vaapiVdpau
        libvdpau-va-gl
        intel-media-driver
      ];
    };

    trackpoint = {
      enable = true;
      emulateWheel = true;
      device = "TPPS/2 Elan TrackPoint";
      sensitivity = 60;
      speed = 255;
    };

    cpu.intel.updateMicrocode = true;
    enableRedistributableFirmware = true;

    pulseaudio = {
      enable = true;

      package = pkgs.pulseaudioFull;
      #package = pulseaudioPkg;

      extraConfig = ''
        load-module module-alsa-sink device=hw:0,0 channels=4
        load-module module-alsa-source device=hw:0,6 channels=4
      '';
    };
  };

  # Select internationalisation properties.
  i18n.defaultLocale = "en_US.UTF-8";

  # tty keymap
  console = {
    useXkbConfig = true;
    earlySetup = true;
  };

  environment.variables = { 
    MOZ_USE_XINPUT2 = "1"; # firefox scroll fix
  };

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

  fonts = {
    fonts = with pkgs; [
      ibm-plex
      fira-code
      noto-fonts
      noto-fonts-emoji
      source-code-pro
      weather-icons
      jetbrains-mono
    ];
  
    fontconfig = {
      #dpi = 120;
      #penultimate.enable = false;
      defaultFonts = {
        serif     = [ "Tinos" ];
        sansSerif = [ "Arimo" ];
        monospace = [ "Cousine" ];

        #serif     = [ "Noto Serif" ];
        #sansSerif = [ "Noto Sans" ];
        #monospace = [ "Noto Mono" ];
      };
    };
  };

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  # programs.vim.defaultEditor = true;

  programs.light.enable = true;

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

  # Open ports in the firewall.
  # TODO: use mkForce
  networking.firewall.allowedTCPPorts = [ ];
  networking.firewall.allowedUDPPorts = [ ];

  networking.enableIPv6 = false;

  # For redshift
  location = {
    latitude = 45.55;
    longitude = 18.70;
  };

  systemd.services = {
    systemd-udev-settle.enable = false;

    musicUnmount = {
      after = [ "network.target" ];
      description = "Unmount music";
      serviceConfig = {
        Type = "oneshot";
        ExecStart = ''umount -l /home/b/music 2> /dev/null'';
      };
    };

  };


  # stop stupid messages from pulseaudio, firefox, etc.
  security.rtkit.enable = lib.mkForce false;

  security.pam.services = {
    login.fprintAuth = true;
    xscreensaver.fprintAuth = true;
    i3lock.fprintAuth = true;
  };


  services = {
    fwupd.enable = true;
    fprintd.enable = true;

    logind.lidSwitch = "suspend";
    #logind.lidSwitch = "ignore";

    #physlock = {
    #  allowAnyUser = true;
    #  enable = true;
    #};

    redshift = {
      enable = true;
      temperature.night = 3200;
    };

    xserver = {
      enable = true;
      layout = "us";
      xkbVariant = "colemak";
      xkbOptions = "ctrl:nocaps";

      libinput = {
        enable = true;
        naturalScrolling = true;
        accelProfile = "adaptive";
        #dev = "/dev/input/event6";
      };

      displayManager.lightdm = {
        enable = true;
        greeters.gtk = {
          enable = true;
          extraConfig = ''
            active-monitor = 0
          '';
          theme.name = "Adwaita-dark";
        };

        #greeters.gtk.cursorTheme.size = 16;
      };

      #desktopManager = {
      #  xterm.enable = false;
      #  xfce = {
      #    enable = true;
      #    noDesktop = true;
      #    enableXfwm = false;
      #  };
      #};

      windowManager = {
        bspwm = {
          enable = true;
        };
      };

      displayManager.defaultSession = "none+bspwm";

      videoDrivers = [ "intel" ];

      #Option "TearFree" "True"
      deviceSection = ''
        Option "AccelMethod" "sna"
        Option "DRI" "2"
      '';
    };

    tlp = {
      enable = true;
      settings = {
        CPU_SCALING_GOVERNOR_ON_AC = "powersave";
        CPU_SCALING_GOVERNOR_ON_BAT = "powersave";
        ENERGY_PERF_POLICY_ON_BAT = "power";
        CPU_HWP_ON_BAT = "power";
        PCIE_ASPM_ON_BAT = "powersupersave";
        START_CHARGE_THRESH_BAT0 = "60";
        STOP_CHARGE_THRESH_BAT0 = "85";
      };
    };
  };

  programs.zsh = {
    enable = true;
    promptInit = "";

    interactiveShellInit = ''

      HISTFILESIZE=500000
      HISTSIZE=500000

      export ZSH_COMPDUMP="$HOME/.cache/zcompdump-$HOST-$ZSH_VERSION"
      #compinit -d $ZSH_COMPDUMP

      # oh-my-zsh
      export ZSH=${pkgs.oh-my-zsh}/share/oh-my-zsh/
      export FZF_BASE=$(fzf-share)
      plugins=(git fzf)
      ZSH_THEME="lambda"
      COMPLETION_WAITING_DOTS="true"
      source $ZSH/oh-my-zsh.sh

      # leave bg jobs
      setopt NO_HUP
      setopt HIST_IGNORE_ALL_DUPS
      setopt HIST_IGNORE_DUPS
      setopt INC_APPEND_HISTORY

    '';
  };

  # @me
  users.users.b = {
    isNormalUser = true;
    extraGroups = [ "wheel" "audio" "video" ];
    uid = 1000;
    shell = pkgs.zsh;
  };

  # System packages
  environment.systemPackages = (import ./packages.nix {pkgs = pkgs;});

  system.stateVersion = "20.03";
}