nix-config/systems/x86_64-linux/polaris-nix/default.nix

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

  nixpkgs.config.allowUnfree = true;
  system.stateVersion = "23.11";
  time.timeZone = "America/New_York";

  age = {
    secrets.token.file = ../../../secrets/token.age;
    secrets.mailer_passwd.file = ../../../secrets/mailer_passwd.age;
    identityPaths = ["/root/.ssh/id_ed25519"];
  };

  nix = {
    nixPath = ["nixpkgs=flake:nixpkgs"];
    registry =
      (lib.mapAttrs (_: flake: {inherit flake;}))
      ((lib.filterAttrs (_: lib.isType "flake")) inputs);

    settings = {
      auto-optimise-store = true;
      experimental-features = "nix-command flakes";
      warn-dirty = false;
      trusted-users = ["marshall"];

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

      trusted-substituters = [
        "cache.nixos.org"
        "nix-community.cachix.org"
        "nyx.chaotic.cx"
        "cuda-maintainers.cachix.org"
      ];

      trusted-public-keys = [
        "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
        "nyx.chaotic.cx-1:HfnXSw4pj95iI/n17rIDy40agHj12WfF+Gqk6SonIT8="
        "chaotic-nyx.cachix.org-1:HfnXSw4pj95iI/n17rIDy40agHj12WfF+Gqk6SonIT8="
        "cuda-maintainers.cachix.org-1:0dq3bujKpuEPMCX6U4WylrUDZ9JyUG0VpVZa7CNfq5E="
        "conduwuit:lYPVh7o1hLu1idH4Xt2QHaRa49WRGSAqzcfFd94aOTw="
      ];
    };
  };

  environment = {
    localBinInPath = true;

    sessionVariables.FLAKE = "/home/marshall/nix-config";

    systemPackages = [
      pkgs.miniupnpc
      inputs.agenix.packages.${system}.default
    ];

    etc =
      lib.mapAttrs'
      (name: value: {
        name = "nix/path/${name}";
        value.source = value.flake;
      })
      config.nix.registry;
  };

  fonts.packages = with pkgs; [
    inter
    maple-mono-SC-NF
    nerdfonts
  ];

  boot = {
    kernelPackages = pkgs.linuxPackages_xanmod_latest;
    supportedFilesystems = ["ntfs"];

    binfmt = {
      emulatedSystems = ["aarch64-linux"];

      registrations.appimage = {
        wrapInterpreterInShell = false;
        interpreter = "${pkgs.appimage-run}/bin/appimage-run";
        recognitionType = "magic";
        offset = 0;
        mask = ''\xff\xff\xff\xff\x00\x00\x00\x00\xff\xff\xff'';
        magicOrExtension = ''\x7fELF....AI\x02'';
      };
    };

    loader = {
      systemd-boot.enable = true;
      efi.canTouchEfiVariables = true;
    };
  };

  hardware = {
    pulseaudio.enable = false;

    bluetooth = {
      enable = true;
      powerOnBoot = true;
    };

    opengl = {
      enable = true;
      driSupport32Bit = true;
      extraPackages = with pkgs; [
        libGL
        libGLU
      ];
    };
  };

  networking = {
    hostName = "polaris-nix";
    networkmanager.enable = true;
    firewall.enable = false;
  };

  security = {
    pam.services.gdm.enableGnomeKeyring = true;
    rtkit.enable = true;

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

  programs = {
    fish.enable = true;
    ssh.startAgent = true;
  };

  services = {
    eternal-terminal.enable = true;
    tailscale.enable = true;
    xe-guest-utilities.enable = true;

    forgejo = let
      forgejoDomain = "git.pupbrained.xyz";
    in {
      enable = true;
      user = "git";
      group = "git";
      lfs.enable = true;
      secrets.mailer.PASSWD = config.age.secrets.mailer_passwd.path;
      settings = {
        log.LEVEL = "Debug";
        DEFAULT.APP_NAME = "MarGit";

        actions = {
          ENABLED = true;
          DEFAULT_ACTIONS_URL = "github";
        };

        database = {
          SQLITE_JOURNAL_MODE = "WAL";
          LOG_SQL = false;
        };

        federation.ENABLED = true;

        mailer = {
          ENABLED = true;
          SMTP_ADDR = "email-smtp.us-east-2.amazonaws.com";
          FROM = "noreply@git.pupbrained.xyz";
          USER = "AKIAVIRH7PRQXI3FCBZ4";
          SEND_AS_PLAIN_TEXT = true;
        };

        metrics = {
          ENABLED = true;
          ENABLED_ISSUE_BY_REPOSITORY = true;
          ENABLED_ISSUE_BY_LABEL = true;
        };

        oauth2_client = {
          ACCOUNT_LINKING = "login";
          USERNAME = "nickname";
          ENABLE_AUTO_REGISTRATION = false;
          REGISTER_EMAIL_CONFIRM = false;
          UPDATE_AVATAR = true;
        };

        packages.ENABLED = true;

        repository = {
          DEFAULT_PRIVATE = "private";
          ENABLE_PUSH_CREATE_USER = true;
          ENABLE_PUSH_CREATE_ORG = true;
        };

        server = {
          HTTP_ADDR = "0.0.0.0";
          HTTP_PORT = 6610;
          DOMAIN = forgejoDomain;
          ROOT_URL = "https://${forgejoDomain}/";
          SSH_USER = "git";
          SSH_DOMAIN = "ssh.pupbrained.xyz";
        };

        service = {
          DISABLE_REGISTRATION = false;
          SHOW_REGISTRATION_BUTTON = true;
          REGISTER_EMAIL_CONFIRM = false;
          ENABLE_NOTIFY_MAIL = true;
        };

        session.COOKIE_SECURE = true;

        ui = {
          DEFAULT_THEME = "forgejo-auto";
        };

        "ui.meta".AUTHOR = "MarGit";
      };
    };

    matrix-conduit = {
      enable = true;
      package = pkgs.conduwuit_git;
      settings.global.database_backend = "rocksdb";
      settings.global.allow_registration = true;
      settings.global.address = "0.0.0.0";
      settings.global.server_name = "pupbrained.xyz";
      settings.global.registration_token = "blehh";
    };

    openssh = {
      enable = true;

      settings = {
        PermitRootLogin = "no";
        PasswordAuthentication = false;
      };
    };

    pipewire = {
      enable = true;
      pulse.enable = true;

      alsa = {
        enable = true;
        support32Bit = true;
      };
    };

    xserver = {
      enable = true;
      displayManager.gdm.enable = true;
      desktopManager.gnome.enable = true;
      layout = "us";
      xkbVariant = "";
    };
  };

  systemd.services.cloudflared = {
    description = "Point traffic to tunnel subdomain";
    wantedBy = ["default.target"];
    serviceConfig = {
      EnvironmentFile = config.age.secrets.token.path;
      Type = "oneshot";
      ExecStart = "${lib.getExe pkgs.cloudflared} tunnel --no-autoupdate run";
    };
  };

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

  users.groups.git = {};

  users.users.git = {
    isSystemUser = true;
    useDefaultShell = true;
    group = "git";
    home = config.services.forgejo.stateDir;
  };

  i18n = {
    defaultLocale = "en_US.UTF-8";

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