spotifyd: add spotifyd service

modules/module-list.nix

@@ -54,6 +54,7 @@
   ./services/redis
   ./services/skhd
   ./services/spacebar
+  ./services/spotifyd.nix
   ./services/synapse-bt.nix
   ./services/synergy
   ./services/yabai

modules/services/spotifyd.nix

@@ -0,0 +1,63 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.spotifyd;
+
+  format = pkgs.formats.toml { };
+  configFile = format.generate "spotifyd.conf" {
+    global = {
+      backend = "portaudio";
+    };
+    spotifyd = cfg.settings;
+  };
+in
+{
+  options = {
+    services.spotifyd = {
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Whether to enable the spotifyd service.
+        '';
+      };
+
+      package = mkOption {
+        type = types.path;
+        default = pkgs.spotifyd;
+        defaultText = "pkgs.spotifyd";
+        description = ''
+          The spotifyd package to use.
+        '';
+      };
+
+      settings = mkOption {
+        type = types.nullOr format.type;
+        default = null;
+        example = {
+          bitrate = 160;
+          volume_normalisation = true;
+        };
+        description = ''
+          Configuration for spotifyd, see <link xlink:href="https://spotifyd.github.io/spotifyd/config/File.html" />
+          for supported values.
+        '';
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = [ cfg.package ];
+    launchd.user.agents.spotifyd = {
+      serviceConfig.ProgramArguments = [ "${cfg.package}/bin/spotifyd" "--no-daemon" ]
+        ++ optionals (cfg.settings != null) [ "--config-path=${configFile}" ];
+      serviceConfig = {
+        KeepAlive = true;
+        RunAtLoad = true;
+        ThrottleInterval = 30;
+      };
+    };
+  };
+}

release.nix

@@ -125,6 +125,7 @@ let
     tests.services-redis = makeTest ./tests/services-redis.nix;
     tests.services-skhd = makeTest ./tests/services-skhd.nix;
     tests.services-spacebar = makeTest ./tests/services-spacebar.nix;
+    tests.services-spotifyd = makeTest ./tests/services-spotifyd.nix;
     tests.services-synapse-bt = makeTest ./tests/services-synapse-bt.nix;
     tests.services-synergy = makeTest ./tests/services-synergy.nix;
     tests.services-yabai = makeTest ./tests/services-yabai.nix;

tests/services-spotifyd.nix

@@ -0,0 +1,18 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  spotifyd = pkgs.runCommand "spotifyd-0.0.0" {} "mkdir $out";
+in
+
+{
+  services.spotifyd.enable = true;
+  services.spotifyd.package = spotifyd;
+
+  test = ''
+    echo >&2 "checking spotifyd service in ~/Library/LaunchAgents"
+    grep "org.nixos.spotifyd" ${config.out}/user/Library/LaunchAgents/org.nixos.spotifyd.plist
+    grep "${spotifyd}/bin/spotifyd" ${config.out}/user/Library/LaunchAgents/org.nixos.spotifyd.plist
+  '';
+}