{ ... }: res: pkgs: super: with pkgs; { glib = callPackage ./. ( let glib-untested = glib.overrideAttrs { doCheck = false; }; in { # break dependency cycles # these things are only used for tests, they don't get into the closure shared-mime-info = shared-mime-info.override { glib = glib-untested; }; desktop-file-utils = desktop-file-utils.override { glib = glib-untested; }; dbus = dbus.override { enableSystemd = false; }; } ); }