feat(home/xwayland-satellite): Write module

modules/home/programs/wayland/xwayland-satellite/default.nix

@@ -0,0 +1,39 @@
+{
+  lib,
+  config,
+  pkgs,
+  ...
+}: let
+  cfg = config.marleyos.programs.xwayland-satellite;
+in {
+  options.marleyos.programs.xwayland-satellite.enable = lib.mkEnableOption "xwayland-satellite";
+
+  config = lib.mkIf cfg.enable {
+    home.packages = with pkgs; [
+      xwayland-satellite
+    ];
+
+    systemd.user.services."xwayland-satellite" = {
+      Unit = {
+        Description = "Xwayland outside your Wayland";
+        BindsTo = ["xdg-desktop-autostart.target"];
+        PartOf = ["xdg-desktop-autostart.target"];
+        After = ["xdg-desktop-autostart.target"];
+        Requisite = ["xdg-desktop-autostart.target"];
+      };
+
+      Service = {
+        Type = "notify";
+        NotifyAccess = "all";
+        ExecStart = lib.getExe pkgs.xwayland-satellite;
+        StandardOutput = "journal";
+      };
+
+      Install = {
+        WantedBy = ["xdg-desktop-autostart.target"];
+      };
+    };
+
+    home.sessionVariables.DISPLAY = ":0";
+  };
+}