Handle the case where no command is specified.
Handle the case where no command is specified.

0xPoly/ooni-probe,juga0/ooni-probe,0xPoly/ooni-probe,lordappsec/ooni-probe,Karthikeyan-kkk/ooni-probe,Karthikeyan-kkk/ooni-probe,0xPoly/ooni-probe,kdmurray91/ooni-probe,kdmurray91/ooni-probe,juga0/ooni-probe,Karthikeyan-kkk/ooni-probe,kdmurray91/ooni-probe,lordappsec/ooni-probe,lordappsec/ooni-probe,lordappsec/ooni-probe,0xPoly/ooni-probe,juga0/ooni-probe,kdmurray91/ooni-probe,Karthikeyan-kkk/ooni-probe,juga0/ooni-probe