build: split derivation for extensible wrapper

default.nix

@@ -43,17 +43,19 @@
   withPam ? true,
   withHyprland ? true,
   withI3 ? true,
-}: buildStdenv.mkDerivation {
+}: let
+  unwrapped = buildStdenv.mkDerivation {
     pname = "quickshell${lib.optionalString debug "-debug"}";
     version = "0.1.0";
-  src = nix-gitignore.gitignoreSource [] ./.;
+    src = nix-gitignore.gitignoreSource "/default.nix\n" ./.;
+
+    dontWrapQtApps = true; # see wrappers
 
     nativeBuildInputs = [
       cmake
       ninja
       qt6.qtshadertools
       spirv-tools
-    qt6.wrapQtAppsHook
       pkg-config
     ]
     ++ lib.optional withWayland wayland-scanner;
@@ -97,10 +99,37 @@
     dontStrip = debug;
 
     meta = with lib; {
-    homepage = "https://quickshell.outfoxxed.me";
+      homepage = "https://quickshell.org";
       description = "Flexbile QtQuick based desktop shell toolkit";
       license = licenses.lgpl3Only;
       platforms = platforms.linux;
       mainProgram = "quickshell";
     };
-}
+  };
+
+  wrapper = unwrapped.stdenv.mkDerivation {
+    inherit (unwrapped) version meta buildInputs;
+    pname = "${unwrapped.pname}-wrapped";
+
+    nativeBuildInputs = unwrapped.nativeBuildInputs ++ [ qt6.wrapQtAppsHook ];
+
+    dontUnpack = true;
+    dontConfigure = true;
+    dontBuild = true;
+
+    installPhase = ''
+      mkdir -p $out/bin
+      # cp will create .quickshell-wrapped in path, ln will not. It is occasionally useful.
+      cp -r ${unwrapped}/bin/* $out/bin
+      ln -s ${unwrapped}/share $out/share
+      # not /lib
+    '';
+
+    passthru = {
+      unwrapped = unwrapped;
+      withModules = modules: wrapper.overrideAttrs (prev: {
+        buildInputs = prev.buildInputs ++ modules;
+      });
+    };
+  };
+in wrapper