Comment (by Roland Haas):

Note that what is in the “Cactus” directory is actually Cactus. For the non-cactus based codes (SelfForce1D and kuibit) we (have to, since they do not work well with GetComponents) provide separate download instructions.

So certainly what GetComponents downloads is not all of the Einstein Toolkit.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2674/einstein-toolkit-cactus