650   auto print_help = [](int fd, const char* prefix = nullptr) {  in shellCommand()  local
699     print_help(err, "No command given");  in shellCommand()
707       print_help(err, "stagePackages requires at least one packagePath");  in shellCommand()
726       print_help(err, "Unrecognized options");  in shellCommand()
746       print_help(err, "Unrecognized options");  in shellCommand()
766       print_help(err, "Unrecognized options");  in shellCommand()
788       print_help(err, "activatePackage requires one packagePath");  in shellCommand()
803       print_help(err, "deactivatePackage requires one packagePath");  in shellCommand()
818       print_help(err, "getStagedSessionInfo requires one session id");  in shellCommand()
857       print_help(err, "submitStagedSession requires one session id");  in shellCommand()
890       print_help(err,  in shellCommand()
925       print_help(err, "Help has no options");  in shellCommand()
928     print_help(out);  in shellCommand()
932   print_help(err);  in shellCommand()