NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST xrdb-1.0.4 x86_64-linux /nix/store/6ib3c5517h1n1iz5k66i2rhw60kybh75-xrdb-1.0.4.drv /nix/store/wabp2jv4ymfgfxma81i6m4z4hxcq5c3x-xrdb-1.0.4