nixpkgs/pkgs/tools/package-management/nix/unstable.nix

{ stdenv, fetchurl, aterm, db4, perl, curl, bzip2, openssl ? null
, storeDir ? "/nix/store"
, stateDir ? "/nix/var"
}:

stdenv.mkDerivation {
  name = "nix-0.11pre9121";
  
  src = fetchurl {
    url = http://nix.cs.uu.nl/dist/nix/nix-0.11pre9121/nix-0.11pre9121.tar.bz2;
    sha256 = "0yd84g8gyl1xnb0ki0ssy270ff6bs4xy3mjf2ixa7xj9ch3hbyhm";
  };

  buildInputs = [perl curl openssl];

  configureFlags = "
    --with-store-dir=${storeDir} --localstatedir=${stateDir}
    --with-aterm=${aterm} --with-bdb=${db4} --with-bzip2=${bzip2}
    --disable-init-state";

  meta = {
    description = "The Nix Deployment System";
  };
}