WIP refactor

common/general/default.nix

@@ -0,0 +1,182 @@
+{
+  config,
+  lib,
+  ...
+}:
+let
+  ccfg = import ../config.nix;
+  cfg_path = [
+    ccfg.custom_config_key
+    "general"
+  ];
+  cfg = lib.attrsets.getAttrFromPath cfg_path config;
+  top_cfg = config.${ccfg.custom_config_key};
+in
+{
+  options =
+    { }
+    // lib.attrsets.setAttrByPath cfg_path {
+      flakeOptions = lib.mkOption {
+        type = lib.types.bool;
+        default = true;
+        description = "Enable nix flake options";
+      };
+      unfree = lib.mkOption {
+        type = lib.types.bool;
+        default = true;
+        description = "Enable unfree packages";
+      };
+      readWindowsDrives = lib.mkOption {
+        type = lib.types.bool;
+        default = true;
+        description = "Read windows drives";
+      };
+      disableRemoteBuildsOnLio = lib.mkOption {
+        type = lib.types.bool;
+        default = false;
+        description = "Disable remote builds on lio";
+      };
+      timezone = lib.mkOption {
+        type = lib.types.str;
+        default = "America/Chicago";
+        description = "Timezone";
+      };
+      defaultLocal = lib.mkOption {
+        type = lib.types.str;
+        default = "en_US.UTF-8";
+        description = "Default locale";
+      };
+      fastShutdown = lib.mkOption {
+        type = lib.types.bool;
+        default = true;
+        description = "Fast shutdown";
+      };
+      enableSleep = lib.mkEnableOption (lib.mdDoc "Enable auto sleeping");
+    };
+  config = {
+    # name this computer
+    networking = {
+      hostName = top_cfg.systemName;
+    };
+
+    # Enable flakes
+    nix.settings.experimental-features = lib.mkIf cfg.flakeOptions [
+      "nix-command"
+      "flakes"
+    ];
+
+    # Allow unfree
+    nixpkgs.config.allowUnfree = cfg.unfree;
+    nixpkgs.config.allowUnfreePredicate = (pkg: cfg.unfree);
+    environment.variables = lib.mkIf cfg.unfree {
+      NIXPKGS_ALLOW_UNFREE = "1";
+    };
+
+    # allow mounting ntfs filesystems
+    boot.supportedFilesystems = lib.mkIf cfg.readWindowsDrives [ "ntfs" ];
+
+    # make shutdown faster for waiting
+    systemd.extraConfig = lib.mkIf cfg.fastShutdown ''
+      DefaultTimeoutStopSec=8s
+    '';
+
+    nix.settings = {
+      max-jobs = "auto";
+      # Fallback quickly if substituters are not available.
+      connect-timeout = 5;
+      download-attempts = 3;
+      # The default at 10 is rarely enough.
+      log-lines = 50;
+      # Avoid disk full issues
+      max-free = (3000 * 1024 * 1024);
+      min-free = (1000 * 1024 * 1024);
+      # Avoid copying unnecessary stuff over SSH
+      builders-use-substitutes = true;
+      auto-optimise-store = true;
+      trusted-users = [
+        "root"
+        "@wheel"
+      ];
+      substituters = [
+        "https://hyprland.cachix.org"
+        "https://cosmic.cachix.org/"
+      ];
+      trusted-public-keys = [
+        "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
+        "cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE="
+      ];
+    };
+    nix.extraOptions = ''
+      keep-outputs = true
+      keep-derivations = true
+      ${lib.optionalString (
+        # TODO revisit this should it move?
+        config ? age && config.age ? secrets && config.age.secrets ? github_read_token
+      ) "!include ${config.age.secrets.github_read_token.path}"}
+    '';
+
+    # nix helper
+    programs.nh = {
+      enable = true;
+      clean.enable = true;
+      clean.extraArgs = "--keep 10";
+      # `flake` path is set in users/default.nix for the primary user if set
+    };
+
+    # Remote build off home lio computer
+    programs.ssh.extraConfig = lib.mkIf (!cfg.disableRemoteBuildsOnLio) ''
+      Host lio_
+        PubkeyAcceptedKeyTypes ssh-ed25519
+        ServerAliveInterval 60
+        IPQoS throughput
+        ${lib.optionalString (
+          config ? age && config.age ? secrets && config.age.secrets ? nix2lio
+        ) "IdentityFile ${config.age.secrets.nix2lio.path}"}
+    '';
+    nix = {
+      distributedBuilds = lib.mkIf (!cfg.disableRemoteBuildsOnLio) true;
+      buildMachines = lib.mkIf (!cfg.disableRemoteBuildsOnLio) [
+        {
+          hostName = "lio";
+          system = "x86_64-linux";
+          protocol = "ssh-ng";
+          maxJobs = 32;
+          speedFactor = 2;
+          supportedFeatures = [
+            "nixos-test"
+            "benchmark"
+            "big-parallel"
+            "kvm"
+            "uid-range" # Often helpful
+          ];
+          mandatoryFeatures = [ ];
+        }
+      ];
+    };
+
+    # TODO can I make this Roaming automatically somehow?
+    time.timeZone = cfg.timezone;
+    # Select internationalization properties.
+    i18n.defaultLocale = cfg.defaultLocal;
+    i18n.extraLocaleSettings = {
+      LC_ADDRESS = cfg.defaultLocal;
+      LC_IDENTIFICATION = cfg.defaultLocal;
+      LC_MEASUREMENT = cfg.defaultLocal;
+      LC_MONETARY = cfg.defaultLocal;
+      LC_NAME = cfg.defaultLocal;
+      LC_NUMERIC = cfg.defaultLocal;
+      LC_PAPER = cfg.defaultLocal;
+      LC_TELEPHONE = cfg.defaultLocal;
+      LC_TIME = cfg.defaultLocal;
+    };
+
+    # Turn off sleep
+    systemd.sleep.extraConfig = lib.mkIf (!cfg.enableSleep) ''
+      [Sleep]
+      AllowSuspend=no
+      AllowHibernation=no
+      AllowSuspendThenHibernate=no
+      AllowHybridSleep=no
+    '';
+  };
+}