{ pkgs, eggDerivation, chickenPackages, xxd }:
eggDerivation {
  name = "zilch-cli";
  src = ./.;

  buildInputs = with chickenPackages.chickenEggs; [
    r7rs
    (pkgs.callPackage ../core {})
    (pkgs.callPackage ../lang/go {})
    (pkgs.callPackage ../lang/rust {})
    (pkgs.callPackage ../lang/ninja {})
  ];

  preBuild = ''
    (cat ${./overrides.json}; printf '\0') | ${xxd}/bin/xxd -i -n stock_overrides > stock_overrides.h
  '';
}