depot/default.nix

{ ... }:

let
  fix = f: let x = f x; in x;
  config = depot: {
    inherit depot;
    pkgs = depot.third_party.nixpkgs;
  };
in fix (self:
  let ch = (self.config // { inherit (self) lib; });
  in {
    config = config self;

    third_party = import ./third_party ch;
    ops = import ./ops ch;
    nix = import ./nix ch;

    lib = self.third_party.nixpkgs.lib;
  })