Refactor back to a more modular configuration

modules/nixos/core/avahi.nix

@@ -0,0 +1,12 @@
+{
+  services.avahi = {
+    enable = true;
+    nssmdns4 = true;
+    openFirewall = true;
+
+    publish = {
+      enable = true;
+      addresses = true;
+    };
+  };
+}

modules/nixos/core/bluetooth.nix

@@ -0,0 +1,16 @@
+{ config, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.nixosModules.core.bluetooth;
+in
+{
+  options.nixosModules.core.bluetooth.enable = mkEnableOption "Enable bluetooth";
+
+  config = mkIf cfg.enable {
+    hardware.bluetooth.enable = true;
+
+    services.blueman.enable = true;
+  };
+}

modules/nixos/core/default.nix

@@ -0,0 +1,11 @@
+{
+  imports = [
+    ./avahi.nix
+    ./bluetooth.nix
+    ./gnupg.nix
+    ./openssh.nix
+    ./pipewire.nix
+    ./xbanish.nix
+    ./zram.nix
+  ];
+}

modules/nixos/core/gnupg.nix

@@ -0,0 +1,14 @@
+{ pkgs, ... }:
+
+{
+  security.pam.services.login.gnupg.enable = true;
+
+  programs = {
+    gnupg.agent = {
+      enable = true;
+      enableSSHSupport = true;
+
+      pinentryPackage = pkgs.pinentry-qt;
+    };
+  };
+}

modules/nixos/core/openssh.nix

@@ -0,0 +1,23 @@
+{ config, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.nixosModules.core.openssh;
+in
+{
+  options.nixosModules.core.openssh.enable = mkEnableOption "Enable openssh";
+
+  config = mkIf cfg.enable {
+    services.openssh = {
+      enable = true;
+
+      openFirewall = lib.mkForce true;
+
+      settings = {
+        PasswordAuthentication = false;
+        PermitRootLogin = lib.mkForce "no";
+      };
+    };
+  };
+}

modules/nixos/core/pipewire.nix

@@ -0,0 +1,23 @@
+{ config, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.nixosModules.core.pipewire;
+in
+{
+  options.nixosModules.core.pipewire.enable = mkEnableOption "Enable pipewire";
+
+  config = mkIf cfg.enable {
+    services.pipewire = {
+      enable = true;
+
+      alsa = {
+        enable = true;
+        support32Bit = true;
+      };
+
+      pulse.enable = true;
+    };
+  };
+}

modules/nixos/core/xbanish.nix

@@ -0,0 +1,14 @@
+{ config, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.nixosModules.core.xbanish;
+in
+{
+  options.nixosModules.core.xbanish.enable = mkEnableOption "Enable xbanish";
+
+  config = mkIf cfg.enable {
+    services.xbanish.enable = true;
+  };
+}

modules/nixos/core/zram.nix

@@ -0,0 +1,18 @@
+{ config, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.nixosModules.core.zram;
+in
+{
+  options.nixosModules.core.zram.enable = mkEnableOption "Enable zram";
+
+  config = mkIf cfg.enable {
+    zramSwap = {
+      enable = true;
+      algorithm = "zstd";
+      memoryPercent = 90;
+    };
+  };
+}