refactor: merge 'audio-automation' module into 'audio' module

hosts/astyanax/default.nix

@@ -25,7 +25,6 @@ in
     })
     ../../modules/desktops/niri
     ../../modules/audio
-    ../../modules/audio-automation
     ../../modules/backups
     ../../modules/bluetooth
     ../../modules/keyboard
@@ -57,6 +56,7 @@ in
   docker.user = config.host.username;
   nfc.user = config.host.username;
   desktop.ly.enable = true;
+  audio.automation.enable = true;
 
   nix.settings.secret-key-files = [ config.sops.secrets.nix_signing_key_astyanax.path ];
 

modules/audio-automation/default.nix

@@ -1,17 +0,0 @@
-{ pkgs, ... }:
-
-{
-  environment.systemPackages = [ pkgs.libnotify ];
-
-  services.udev.extraRules = ''
-    SUBSYSTEM=="power_supply", ATTR{online}=="0", ACTION=="change", TAG+="systemd", ENV{SYSTEMD_USER_WANTS}+="mute-audio.service"
-  '';
-
-  systemd.user.services.mute-audio = {
-    description = "mute audio when switching to battery power";
-    serviceConfig = {
-      Type = "oneshot";
-      ExecStart = "${pkgs.bash}/bin/bash -c '${pkgs.pulseaudio}/bin/pactl set-sink-mute $(${pkgs.pulseaudio}/bin/pactl get-default-sink) true && ${pkgs.libnotify}/bin/notify-send \"audio Muted\" \"switched to battery power\"'";
-    };
-  };
-}

modules/audio/audio-automation.nix

@@ -0,0 +1,29 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}:
+
+let
+  cfg = config.audio.automation;
+in
+{
+  options.audio.automation.enable = lib.mkEnableOption "audio automation (mute on battery)";
+
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = [ pkgs.libnotify ];
+
+    services.udev.extraRules = ''
+      SUBSYSTEM=="power_supply", ATTR{online}=="0", ACTION=="change", TAG+="systemd", ENV{SYSTEMD_USER_WANTS}+="mute-audio.service"
+    '';
+
+    systemd.user.services.mute-audio = {
+      description = "mute audio when switching to battery power";
+      serviceConfig = {
+        Type = "oneshot";
+        ExecStart = "${pkgs.bash}/bin/bash -c '${pkgs.pulseaudio}/bin/pactl set-sink-mute $(${pkgs.pulseaudio}/bin/pactl get-default-sink) true && ${pkgs.libnotify}/bin/notify-send \"audio Muted\" \"switched to battery power\"'";
+      };
+    };
+  };
+}

modules/audio/default.nix

@@ -1,18 +1,26 @@
+{ ... }:
+
 {
-  nixpkgs.allowedUnfree = [
-    "spotify"
-    "spotify-unwrapped"
+  imports = [
+    ./audio-automation.nix
   ];
 
-  security.rtkit.enable = true;
-  services = {
-    pulseaudio.enable = false;
-    pipewire = {
-      enable = true;
-      alsa.enable = true;
-      alsa.support32Bit = true;
-      pulse.enable = true;
+  config = {
+    nixpkgs.allowedUnfree = [
+      "spotify"
+      "spotify-unwrapped"
+    ];
+
+    security.rtkit.enable = true;
+    services = {
+      pulseaudio.enable = false;
+      pipewire = {
+        enable = true;
+        alsa.enable = true;
+        alsa.support32Bit = true;
+        pulse.enable = true;
+      };
+      pulseaudio.extraConfig = "load-module module-switch-on-connect";
     };
-    pulseaudio.extraConfig = "load-module module-switch-on-connect";
   };
 }