NIXPKG1 http://nix.cs.uu.nl/dist/nix/nixpkgs-0.10/MANIFEST bsdiff-4.2 i686-linux /nix/store/ln89z2yjy7wmc01cvsvmx29hqpxw2brj-bsdiff-4.2.drv /nix/store/l2s1c27yqm4wzdmxp7bk6alcim72is42-bsdiff-4.2