treewide: remove bash snippets in flags

Co-Authored-By: Jan Tojnar <jtojnar@gmail.com>

pkgs/applications/networking/browsers/webmacs/default.nix

@@ -27,18 +27,6 @@ mkDerivationWith python3Packages.buildPythonApplication rec {
     pygments
   ];
 
-  dontWrapQtApps = true;
-
-  makeWrapperArgs = [ "\${qtWrapperArgs[@]}" ];
-
-  # See https://github.com/parkouss/webmacs/blob/1a04fb7bd3f33d39cb4d71621b48c2458712ed39/setup.py#L32
-  # Don't know why they're using CC for g++.
-  preConfigure = ''
-   export CC=$CXX
-  '';
-
-  doCheck = false; # test dependencies not packaged up yet
-
   checkInputs = [
     python3Packages.pytest
     #python3Packages.pytest-xvfb
@@ -53,6 +41,20 @@ mkDerivationWith python3Packages.buildPythonApplication rec {
     # python3Packages.flake8
   ];
 
+  # See https://github.com/parkouss/webmacs/blob/1a04fb7bd3f33d39cb4d71621b48c2458712ed39/setup.py#L32
+  # Don't know why they're using CC for g++.
+  preConfigure = ''
+   export CC=$CXX
+  '';
+
+  doCheck = false; # test dependencies not packaged up yet
+
+  dontWrapQtApps = true;
+
+  preFixup = ''
+    makeWrapperArgs+=("''${qtWrapperArgs[@]}")
+  '';
+
   meta = with lib; {
     description = "Keyboard-based web browser with Emacs/conkeror heritage";
     longDescription = ''