{
  lib,
  refraction,
  rust-overlay,
  pkgsCross,
}:
{ arch }:
let
  targets = with pkgsCross; {
    x86_64 = musl64.pkgsStatic;
    aarch64 = aarch64-multiplatform.pkgsStatic;
  };

  getRustcTarget = pkgs: pkgs.stdenv.hostPlatform.rust.rustcTarget;
  toolchain = rust-overlay.rust.minimal.override {
    extensions = [ "rust-std" ];
    targets = lib.mapAttrsToList (lib.const getRustcTarget) targets;
  };

  mkRustPlatformWith =
    pkgs:
    pkgs.makeRustPlatform (
      lib.genAttrs [
        "cargo"
        "rustc"
      ] (lib.const toolchain)
    );
  rustPlatforms = lib.mapAttrs (lib.const mkRustPlatformWith) targets;
in
refraction.override {
  rustPlatform = rustPlatforms.${arch};
  optimizeSize = true;
}