{
  perSystem =
    { pkgs, config, ... }:
    {
      devShells.default = pkgs.mkShell {
        shellHook = config.pre-commit.installationScript;

        buildInputs =
          with pkgs;
          [
            sops
            age
          ]
          ++ config.pre-commit.settings.enabledPackages
          ++ config.formatter.runtimeInputs;
      };
    };
}