{ self, ... }: { imports = [ ./impure/flake-module.nix ]; perSystem = { lib, self', ... }: { checks = let flakeOutputs = lib.mapAttrs' (name: config: lib.nameValuePair "nixos-${name}" config.config.system.build.toplevel) self.nixosConfigurations // lib.mapAttrs' (n: lib.nameValuePair "package-${n}") self'.packages // lib.mapAttrs' (n: lib.nameValuePair "devShell-${n}") self'.devShells // lib.mapAttrs' (name: config: lib.nameValuePair "home-manager-${name}" config.activation-script) (self'.legacyPackages.homeConfigurations or { }); in flakeOutputs; }; }