Just worked for me, exactly the same command. My version of nixpkgs is way older though. On Mar 31, 2016 12:40 AM, "Dmitry Malikov" <[email protected]> wrote:
> >> nix-env -qaP '*' | grep letsencrypt > nixpkgs.letsencrypt > letsencrypt-0.4.0 > > >> nix-shell -p letsencrypt > error: undefined variable ‘letsencrypt’ at (string):1:66 > (use ‘--show-trace’ to show detailed location information) > > > What am I missing here? > > _______________________________________________ > nix-dev mailing list > [email protected] > http://lists.science.uu.nl/mailman/listinfo/nix-dev > >
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