neovim: fix nodejs and ruby generation

These were not translated correctly in the new wrapper.

pkgs/applications/editors/neovim/utils.nix

@@ -45,7 +45,6 @@ let
         '';
       };
 
-
       requiredPlugins = vimUtils.requiredPlugins configure;
       getDeps = attrname: map (plugin: plugin.${attrname} or (_: [ ]));
 
@@ -104,9 +103,11 @@ let
       wrapperArgs = makeWrapperArgs;
       inherit neovimRcContent;
       inherit manifestRc;
-      inherit rubyEnv;
       inherit python2Env;
       inherit python3Env;
+      inherit withNodeJs;
+    } // lib.optionalAttrs withRuby {
+      inherit rubyEnv;
     };
 
     genProviderSettings = prog: withProg:

pkgs/applications/editors/neovim/wrapper.nix

@@ -18,8 +18,8 @@ let
     , manifestRc ? null
     , withPython2 ? true, python2Env ? null
     , withPython3 ? true,  python3Env ? null
-    , withNodeJs? false
-    , withRuby ? true, rubyEnv ? null
+    , withNodeJs ? false
+    , rubyEnv ? null
     , vimAlias ? false
     , viAlias ? false
     , ...
@@ -52,7 +52,7 @@ let
       + optionalString withPython3 ''
         makeWrapper ${python3Env}/bin/python3 $out/bin/nvim-python3 --unset PYTHONPATH
       ''
-      + optionalString withRuby ''
+      + optionalString (rubyEnv != null) ''
         ln -s ${rubyEnv}/bin/neovim-ruby-host $out/bin/nvim-ruby
       ''
       + optionalString withNodeJs ''