Method isRunnable

fdbclient/FileBackupAgent.actor.cpp:221–225

	FileSetT fileSet() { return configSpace.pack(LiteralStringRef(__FUNCTION__)); }

	Future<bool> isRunnable(Reference<ReadYourWritesTransaction> tr) {
		return map(stateEnum().getD(tr), [](ERestoreState s) -> bool {
			return s != ERestoreState::ABORTED && s != ERestoreState::COMPLETED && s != ERestoreState::UNITIALIZED;
		});
	}

	Future<Void> logError(Database cx, Error e, std::string const& details, void* taskInstance = nullptr) {
		if (!uid.isValid()) {