And if I kill zypper and appstreamcli launched in background as %post and try to run again 'appstreamcli refresh --force' manually, I get: **************************************** (appstreamcli:14915): GLib-CRITICAL **: g_variant_builder_end: assertion '!GVSB(builder)->uniform_item_types || GVSB(builder)->prev_item_type != NULL || g_variant_type_is_definite (GVSB(builder)->type)' failed (appstreamcli:14915): GLib-CRITICAL **: g_variant_new_variant: assertion 'value != NULL' failed (appstreamcli:14915): GLib-ERROR **: g_variant_new_parsed: 11-13:invalid GVariant format string **************************************** So this looks like: https://github.com/ximion/appstream/issues/198 fixed by: https://github.com/ximion/appstream/commit/734e9da66bf12fcaa94c10465db2dcf8bb2b94cb