Seperate out fetch step.
Seperate out fetch step.

It's not clear if bazel fetch does what I think it does because the documentation is terrible.

UCL-RITS/rcps-buildscripts,UCL-RITS/rcps-buildscripts,UCL-RITS/rcps-buildscripts,UCL-RITS/rcps-buildscripts,UCL-RITS/rcps-buildscripts