anchor.diff:      chmod +x meson/postinstall.py
       patchShebangs meson/postinstall.py
   
  +    # We can generate it ourselves.
  +    rm -f man/gnome-shell.1
  +
       substituteInPlace src/gnome-shell-extension-tool.in --replace "@PYTHON@" "${pythonEnv}/bin/python"
       substituteInPlace src/gnome-shell-perf-tool.in --replace "@PYTHON@" "${pythonEnv}/bin/python"
     '';
  
positive.code:     desktop-file-utils
      libxslt.bin
      python3
      asciidoc-full
    ];
  
    buildInputs = [
  
negative.code: , gnome-clocks
  , gnome-settings-daemon
  , gnome-autoar
  , asciidoc
  , bash-completion
  , mesa
  }:
  