home: autostart xdg implementation (plasma only)

TODO make this more generic

home/sessions/default.nix

@@ -2,5 +2,6 @@
 {
   imports = [
     ./hyprland
+    ./plasma.nix
   ];
 }

home/sessions/plasma.nix

@@ -0,0 +1,35 @@
+{ pkgs, config, lib, osConfig ? {}, ... }:
+let
+  inherit (lib) mkOption mkEnableOption;
+  cfg = config.nixfiles.sessions.plasma;
+in
+{
+  options.nixfiles.sessions.plasma = {
+    enable = lib.mkOption {
+      description = "Whether to enable the Plasma session home configuration.";
+      type = with lib.types; bool;
+      default = osConfig.nixfiles.sessions.plasma.enable or false;
+      example = true;
+    };
+  };
+  config = lib.mkIf cfg.enable {
+
+    # TODO make this a generic implementation
+    home.packages = let
+      startupScript = pkgs.writeShellScript "autostart-script"
+        (lib.concatStringsSep "\n"
+        (builtins.map (x: "sh -c ${lib.escapeShellArg x} &") config.nixfiles.common.wm.autostart));
+
+      name = "home-manager-autostart";
+      desktopFilePkg = pkgs.makeDesktopItem {
+        inherit name;
+        desktopName = "Home Manager Autostart";
+        exec = startupScript;
+      };
+      autostartPkg = pkgs.runCommand name {} ''
+        mkdir -p $out/etc/xdg/autostart
+        ln -s "${desktopFilePkg}/share/applications/${name}.desktop" "$out/etc/xdg/autostart/"
+      '';
+    in [ autostartPkg ];
+  };
+}