bavier/guix: GNU Guix mirror with some of my own branches.

Ludovic Courtès 75e24d7b0e pull: Install the new Guix in a profile.		%!s(int64=6) %!d(string=hai) anos
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guix.in	75e24d7b0e pull: Install the new Guix in a profile.	%!s(int64=6) %!d(string=hai) anos