Am Freitag, 14. Dezember 2012 schrieb Ludovic Courtès:
> Hmm, can you run ‘git submodule init && git submodule update’ from the
> top level, and check whether nix-upstream/{COPYING,AUTHORS} appear?

The files are there, but the brace expansion in the script is a bashism
that does not work under debain /bin/sh (which is dash).
Trivial patch attached.

Andreas