NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST db4-4.5.20 i686-linux /nix/store/braqg41wrgby6m3zbfdk8ziqyz6d91y9-db4-4.5.20.drv /nix/store/mlna6zh3hmx59pb35jfxllnplxs9vps2-db4-4.5.20