2 # Grab the versions we specified in the JSON file
3 nixpkgs = builtins.fromJSON (builtins.readFile ./nixpkgs.json);
5 # Bootstrap a copy of nixpkgs, based on this.
6 src = import ./fetchnix.nix { inherit (nixpkgs) url rev sha256; };
8 # We use the default nixpkgs configuration during bootstrap.
9 in import src { config = {}; }