nixos-servers/flake-parts/checks.nix

{ self, hostPkgs, machines, flake-utils, deploy-rs, ... }: flake-utils.lib.eachDefaultSystem (system: {
  # Deploy-rs' flake checks seem broken for architectures different from the deployment machine.
  # We skip these here.

  checks = deploy-rs.lib.${system}.deployChecks (
    hostPkgs.lib.attrsets.updateManyAttrsByPath [{
      path = [ "nodes" ];
      update = hostPkgs.lib.attrsets.filterAttrs (name: node:
        machines.${name}.arch == system
      );
    }]
      self.deploy
  );
})