polkit-gnome: init module

modules/modules.nix

@@ -379,6 +379,7 @@ let
     ./services/playerctld.nix
     ./services/plex-mpv-shim.nix
     ./services/podman-linux
+    ./services/polkit-gnome.nix
     ./services/polybar.nix
     ./services/poweralertd.nix
     ./services/psd.nix

modules/services/polkit-gnome.nix

@@ -0,0 +1,32 @@
+{ config, lib, pkgs, ... }:
+let
+  inherit (lib)
+    mkEnableOption mkPackageOption types literalExpression mkIf maintainers;
+  cfg = config.services.polkit-gnome;
+in {
+  meta.maintainers = [ maintainers.bobvanderlinden ];
+
+  options = {
+    services.polkit-gnome = {
+      enable = mkEnableOption "GNOME Policykit Agent";
+      package = mkPackageOption pkgs "polkit_gnome" { };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    systemd.user.services.polkit-gnome = {
+      Unit = {
+        Description = "GNOME PolicyKit Agent";
+        After = [ "graphical-session-pre.target" ];
+        PartOf = [ "graphical-session.target" ];
+      };
+
+      Install = { WantedBy = [ "graphical-session.target" ]; };
+
+      Service = {
+        ExecStart =
+          "${cfg.package}/libexec/polkit-gnome-authentication-agent-1";
+      };
+    };
+  };
+}

tests/default.nix

@@ -527,6 +527,7 @@ in import nmtSrc {
     ./modules/services/picom
     ./modules/services/playerctld
     ./modules/services/podman-linux
+    ./modules/services/polkit-gnome
     ./modules/services/polybar
     ./modules/services/recoll
     ./modules/services/redshift-gammastep

tests/modules/services/polkit-gnome/basic-configuration.nix

@@ -0,0 +1,23 @@
+{
+  services.polkit-gnome.enable = true;
+
+  nmt.script = ''
+    clientServiceFile=home-files/.config/systemd/user/polkit-gnome.service
+
+    assertFileExists $clientServiceFile
+    assertFileContent $clientServiceFile ${
+      builtins.toFile "expected.service" ''
+        [Install]
+        WantedBy=graphical-session.target
+
+        [Service]
+        ExecStart=@polkit-gnome@/libexec/polkit-gnome-authentication-agent-1
+
+        [Unit]
+        After=graphical-session-pre.target
+        Description=GNOME PolicyKit Agent
+        PartOf=graphical-session.target
+      ''
+    }
+  '';
+}

tests/modules/services/polkit-gnome/default.nix

@@ -0,0 +1 @@
+{ polkit-gnome-basic-configuration = ./basic-configuration.nix; }