NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST texlive-beamer-2007 x86_64-linux /nix/store/sl0gw36ln2r9x7f8bdg1a33hksz81zhm-texlive-beamer-2007.drv /nix/store/p2yy2qybg63qgvkiakx8la4qhk0gk3md-texlive-beamer-2007