volnoti: add module (#2183)

.github/CODEOWNERS

@@ -339,3 +339,5 @@
 /modules/xresources.nix                               @rycee
 
 /modules/xsession.nix                                 @rycee
+
+/modules/services/volnoti.nix                         @IvanMalison

modules/misc/news.nix

@@ -2133,6 +2133,14 @@ in
           A new module is available: 'services.xsettingsd'.
         '';
       }
+
+      {
+        time = "2021-07-14T20:06:18+00:00";
+        message = ''
+          A new module is available: 'services.volnoti'.
+        '';
+      }
+
     ];
   };
 }

modules/modules.nix

@@ -211,6 +211,7 @@ let
     ./services/udiskie.nix
     ./services/unclutter.nix
     ./services/unison.nix
+    ./services/volnoti.nix
     ./services/window-managers/awesome.nix
     ./services/window-managers/bspwm/default.nix
     ./services/window-managers/i3-sway/i3.nix

modules/services/volnoti.nix

@@ -0,0 +1,35 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.services.volnoti;
+
+in {
+  meta.maintainers = [ maintainers.imalison ];
+
+  options = {
+    services.volnoti = { enable = mkEnableOption "Volnoti volume HUD daemon"; };
+
+    package = mkOption {
+      type = types.package;
+      default = pkgs.volnoti;
+      defaultText = literalExample "pkgs.volnoti";
+      description = ''
+        Package containing the <command>volnoti</command> program.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    home.packages = [ cfg.package ];
+    systemd.user.services.volnoti = {
+      Unit = { Description = "volnoti"; };
+
+      Install = { WantedBy = [ "graphical-session.target" ]; };
+
+      Service = { ExecStart = "${pkgs.volnoti}/bin/volnoti -v -n"; };
+    };
+  };
+}