m 2 base-gui: apparently overwriting important stuff breaks other shit

postInstall is being used in the awesome pkg to wrap the executable, if this does not happen nothing works

makefu/2configs/base-gui.nix

@@ -35,7 +35,7 @@ in
   };
   nixpkgs.config.packageOverrides = pkgs: rec {
     awesome = pkgs.stdenv.lib.overrideDerivation pkgs.awesome (oldAttrs : {
-      postInstall = ''
+      postFixup = ''
       cp ${awesomecfg}  $out/etc/xdg/awesome/rc.lua
       '';
     });