NIXPKG1 http://nix.cs.uu.nl/dist/nix/nixpkgs-0.9/MANIFEST blackdown-1.4.2 i686-linux /nix/store/kvmb2fn8kx5m4zipcaraiwm596m7sh9j-blackdown-1.4.2.drv /nix/store/293x3wxm6di8064l6i5h0h651sf01nlf-blackdown-1.4.2