nix-config/systems/aarch64-linux/canis-nixos/default.nix

{
  pkgs,
  config,
  inputs,
  lib,
  ...
}:
with lib // pkgs // inputs; {
  imports = [
    ./hardware.nix
  ];

  security = {
    rtkit.enable = true;

    pam.loginLimits = [
      {
        domain = "*";
        item = "nofile";
        type = "-";
        value = "32768";
      }
      {
        domain = "*";
        item = "memlock";
        type = "-";
        value = "32768";
      }
    ];

    sudo.extraConfig = ''
      Defaults lecture = never, pwfeedback
    '';
  };

  console.catppuccin.enable = true;

  systemd.user.extraConfig = let
    path = lib.concatStringsSep ":" [
      "/run/wrappers/bin"
      "/etc/profiles/per-user/%u/bin"
      "/nix/var/nix/profiles/default/bin"
      "/run/current-system/sw/bin"
    ];
  in ''
    DefaultEnvironment="PATH=${path}"
  '';

  virtualisation.podman = {
      enable = true;
      dockerCompat = true;
      dockerSocket.enable = true;
    };

  environment = {
    sessionVariables = {
      BROWSER = "firefox";
      EDITOR = "nvim";
      TERMINAL = "wezterm";
      DIRENV_WARN_TIMEOUT = "100s";
      NIXOS_OZONE_WL = "1";
    };

    systemPackages = [
      gnome.nautilus
      internal.lightly-boehs-qt6
      snowfallorg.flake
      sound-theme-freedesktop
      xclip
      yt-dlp
    ];
  };

  boot = {
    supportedFilesystems = ["btrfs" "ntfs"];

    plymouth = {
      enable = true;
      catppuccin.enable = true;
    };

    extraModprobeConfig = "options apple_dcp show_notch=1";

    loader = {
      efi.canTouchEfiVariables = false;

      systemd-boot = {
        enable = true;
        configurationLimit = 20;
      };
    };
  };

  nix = let
    mappedRegistry = pipe inputs [
      (filterAttrs (_: isType "flake"))
      (mapAttrs (_: flake: {inherit flake;}))
      (x: x // {nixpkgs.flake = nixpkgs;})
    ];
  in {
    package = mkForce nixSuper;
    registry = mappedRegistry // optionalAttrs (config.nix.package == nixSuper) {default = mappedRegistry.nixpkgs;};
    nixPath = mapAttrsToList (key: _: "${key}=flake:${key}") config.nix.registry;

    daemonCPUSchedPolicy = "batch";
    daemonIOSchedClass = "idle";
    daemonIOSchedPriority = 7;

    gc = {
      automatic = true;
      dates = "Sat *-*-* 03:00";
      options = "--delete-older-than 30d";
    };

    optimise = {
      automatic = true;
      dates = ["04:00"];
    };

    settings = {
      auto-optimise-store = true;
      builders-use-substitutes = true;
      flake-registry = "/etc/nix/registry.json";
      keep-going = true;
      log-lines = 30;
      max-jobs = "auto";
      sandbox-fallback = false;
      sandbox = true;
      system-features = ["nixos-test" "kvm" "recursive-nix" "big-parallel"];
      use-cgroups = true;
      use-xdg-base-directories = true;
      warn-dirty = false;

      allowed-users = ["root" "@wheel" "nix-builder"];
      trusted-users = ["root" "@wheel" "nix-builder"];

      min-free = "${toString (5 * 1024 * 1024 * 1024)}";
      max-free = "${toString (10 * 1024 * 1024 * 1024)}";

      extra-experimental-features = [
        "flakes" # flakes
        "nix-command" # experimental nix commands
        "recursive-nix" # let nix invoke itself
        "ca-derivations" # content addressed nix
        "auto-allocate-uids" # allow nix to automatically pick UIDs, rather than creating nixbld* user accounts
        "cgroups" # allow nix to execute builds inside cgroups
      ];

      substituters = [
        "https://cache.nixos.org"
        "https://cache.privatevoid.net"
        "https://cuda-maintainers.cachix.org"
        "https://hyprland.cachix.org"
        "https://nix-community.cachix.org"
        "https://nyx.chaotic.cx/"
      ];

      trusted-public-keys = [
        "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
        "cache.privatevoid.net:SErQ8bvNWANeAvtsOESUwVYr2VJynfuc9JRwlzTTkVg="
        "chaotic-nyx.cachix.org-1:HfnXSw4pj95iI/n17rIDy40agHj12WfF+Gqk6SonIT8="
        "cuda-maintainers.cachix.org-1:0dq3bujKpuEPMCX6U4WylrUDZ9JyUG0VpVZa7CNfq5E="
        "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
        "nyx.chaotic.cx-1:HfnXSw4pj95iI/n17rIDy40agHj12WfF+Gqk6SonIT8="
      ];
    };
  };

  programs = {
    dconf.enable = true;
    fish.enable = true;
    gamemode.enable = true;
    steam.enable = false;
    gnupg.agent.enable = true;

    hyprland = {
      enable = true;
      package = inputs.hyprland.packages.${pkgs.system}.hyprland;
    };

    nh = {
      enable = true;
      flake = "/home/marshall/nix-config";
    };
  };

  networking = {
    useDHCP = mkDefault true;
    firewall.enable = false;
    nameservers = ["1.1.1.1" "1.0.0.1"];
    wireless.iwd = {
      enable = true;
      settings.General.EnableNetworkConfiguration = true;
    };
  };

  time.timeZone = "America/New_York";

  services = {
    btrfs.autoScrub.enable = true;
    flatpak.enable = true;
    getty.autologinUser = "marshall";
    gnome.gnome-keyring.enable = true;
    openssh.enable = true;

    greetd = {
      enable = true;
      settings = rec {
        initial_session = {
          command = "${pkgs.hyprland}/bin/Hyprland";
          user = "marshall";
        };

        default_session = initial_session;
      };
    };

    libinput = {
      enable = true;
      touchpad.naturalScrolling = true;
    };

    xserver = {
      enable = true;
    };

    pipewire = {
      enable = true;
      alsa.enable = true;
      alsa.support32Bit = true;
      pulse.enable = true;
    };
  };

  users = {
    users.marshall = {
      isNormalUser = true;
      extraGroups = ["wheel" "gamemode" "libvirtd" "networkmanager"];
      shell = fish;
    };
  };

  hardware = {
    asahi = {
      peripheralFirmwareDirectory = ./firmware;
      useExperimentalGPUDriver = true;
    };

    bluetooth.enable = true;
    i2c.enable = true;

    opengl = {
      enable = true;
      driSupport = true;
    };
  };

  system.stateVersion = "24.05";
}