{ inputs, ... }:
{
  perSystem =
    { pkgs, ... }:
    {
      checks.infra-lint =
        let
          treefmt = pkgs.callPackage ./_treefmt.nix { treefmt-nix = inputs.treefmt-nix; };
        in
        pkgs.stdenvNoCC.mkDerivation {
          name = "infra-lint";
          version = "0.0.1";

          src = ../.;

          buildPhase = ''
            "${treefmt}/bin/treefmt" --ci
            touch "$out"
          '';
        };
    };
}