nixos-config/hosts/hephaestus/default.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,
  lib,
  pkgs,
  ...
}: {
  imports = [
    # Include the results of the hardware scan.
    ./hardware-configuration.nix
    ./home.nix
    ./secrets.nix
  ];

  hardware.amdgpu.opencl = false;

  boot.kernelPackages = pkgs.linuxPackages;

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

  boot.initrd.systemd.enable = true;
  boot.plymouth.enable = true;
  boot.kernelParams = ["quiet"];

  boot.initrd.secrets = {
    "/crypto_keyfile.bin" = null;
  };

  boot.tmp.useTmpfs = true;

  services.btrfs = {
    autoScrub = {
      enable = true;
      fileSystems = ["/"];
    };
  };

  networking.hostName = "hephaestus"; # Define your hostname.
  networking.domain = "alarsyo.net";

  networking.networkmanager.enable = true;

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

  # List services that you want to enable:
  my.services = {
    tailscale.enable = true;
    pipewire.enable = true;

    restic-backup = {
      enable = true;
      repo = "b2:hephaestus-backup";
      passwordFile = config.age.secrets."restic-backup/hephaestus-password".path;
      environmentFile = config.age.secrets."restic-backup/hephaestus-credentials".path;

      timerConfig = {
        OnCalendar = "*-*-* 13:00:00"; # laptop only gets used during the day
      };

      paths = [
        "/home/alarsyo"
      ];
      exclude = [
        "/home/alarsyo/Downloads"

        # Rust builds using half my storage capacity
        "/home/alarsyo/**/target"
        "/home/alarsyo/work/rust/build"

        # don't backup nixpkgs
        "/home/alarsyo/work/nixpkgs"

        "/home/alarsyo/go"

        # C build crap
        "*.a"
        "*.o"
        "*.so"

        ".direnv"

        # test vms
        "*.qcow2"

        # secrets stay offline
        "/home/alarsyo/**/secrets"

        # ignore all dotfiles as .config and .cache can become quite big
        "/home/alarsyo/.*"
      ];
    };
  };

  virtualisation.docker.enable = true;
  virtualisation.libvirtd.enable = true;
  programs.dconf.enable = true;

  services = {
    tlp = {
      enable = true;
      settings = {
        START_CHARGE_THRESH_BAT0 = 70;
        STOP_CHARGE_THRESH_BAT0 = 80;
      };
    };
    fwupd.enable = true;
    openssh.enable = true;
  };

  my.gui.enable = true;
  my.displayManager.sddm.enable = lib.mkForce false;

  hardware.bluetooth = {
    enable = true;
    powerOnBoot = false;
    settings.General.Experimental = true;
  };

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

  i18n.extraLocaleSettings = {
    LC_ADDRESS = "fr_FR.UTF-8";
    LC_IDENTIFICATION = "fr_FR.UTF-8";
    LC_MEASUREMENT = "fr_FR.UTF-8";
    LC_MONETARY = "fr_FR.UTF-8";
    LC_NAME = "fr_FR.UTF-8";
    LC_NUMERIC = "fr_FR.UTF-8";
    LC_PAPER = "fr_FR.UTF-8";
    LC_TELEPHONE = "fr_FR.UTF-8";
    LC_TIME = "fr_FR.UTF-8";
  };

  # Enable the X11 windowing system.
  services.xserver.enable = true;

  # Enable the KDE Plasma Desktop Environment.
  services.xserver.displayManager.sddm.enable = true;
  services.xserver.desktopManager.plasma5.enable = true;
  services.power-profiles-daemon.enable = false;

  # Configure console keymap
  console.keyMap = "us";

  programs.light.enable = true;
}