anchor.diff:            --replace 'Name=Neovim' 'Name=WrappedNeovim'
         ''
         + optionalString withPython3 ''
  -        makeWrapper ${python3Env}/bin/python3 $out/bin/nvim-python3 --unset PYTHONPATH
  +        makeWrapper ${python3Env.interpreter} $out/bin/nvim-python3 --unset PYTHONPATH
         ''
         + optionalString (rubyEnv != null) ''
           ln -s ${rubyEnv}/bin/neovim-ruby-host $out/bin/nvim-ruby
  
positive.code: , bundlerEnv, ruby
  , nodejs
  , nodePackages
  , python3Packages
  , callPackage
  }:
  
negative.code:     , wrapperArgs ? []
      , manifestRc ? null
      , withPython2 ? false
      , withPython3 ? true,  python3Env ? python3
      , withNodeJs ? false
      , rubyEnv ? null
      , vimAlias ? false
  