NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST zdelta-2.1 i686-linux /nix/store/xrglzwkws8mgf8dmf3hzgw27jipar2ya-zdelta-2.1.drv /nix/store/xj9yrvrrf4hir81x7n8s12ns6v48ylhd-zdelta-2.1