# Some CI checks.
{ inputs, ... }:
{
  perSystem =
    {
      pkgs,
      ...
    }:
    let
      checkCond = name: cond: pkgs.runCommandLocal name { } (if cond then "touch $out" else "");
      bismuth = inputs.self.nixosConfigurations.bismuth.config;
      bismuthBuilds = !pkgs.stdenvNoCC.isLinux || builtins.pathExists (bismuth.system.build.toplevel);
    in
    {
      checks."bismuth builds" = checkCond "bismuth-builds" bismuthBuilds;
    };
}