{
  lib,
  pkgs,
  ...
}:
{
  # Override the Asahi kernel source and version by setting boot.kernelPackages
  # directly.  The nixos-apple-silicon module would normally set this from
  # linux-asahi via the overlay, but we bypass that here and use linuxPackagesFor
  # with the kernel overridden in place.  lib.mkOverride 90 beats the module's
  # lib.mkDefault (priority 1000) but loses to explicit user overrides.
  boot.kernelPackages = lib.mkOverride 90 (
    pkgs.linuxPackagesFor (
      pkgs.linux-asahi.kernel.overrideAttrs (_: {
        version = "6.18.10";
        src = pkgs.fetchFromGitHub {
          owner = "AsahiLinux";
          repo = "linux";
          rev = "61b6e714dd19b7bee1c0e6ec4234199e640c2932";
          hash = "sha256-5eAgJTKcRdjEFzHDSrh/XReaT6Db9YN2RN1SwOs28NE=";
        };
      })
    )
  );
}