Hi Malcolm,
You do not have to copy anything in the configuration.nix file or any
where, unless you have inter-dependencies, in which case it is best
filled by NixOS options.
The policy so far has been to provide a list of options (mkOption) for
the most common use cases, extraConfig for the
* hack the upstream: test if directory listing is allowed. if so, grab next
version candidate tarballs.
Actually, the release announcement page is often easy to parse, too.
Easy to parse here means that update-walker actually does it
succesfully for a dozen of various packages without much
