fixed issue with failing getpack checkouts
If getpack failed to handle an override, the other overrides were ignored and the checkout log was lost.
This fixes the problems.
Please be advised that registry.cern.ch registry (Registry Service) will be unavailable next Monday, March 10th starting at 08:00h (Geneva time) for a short period of time. This may cause temporary disruptions to your workflows. Further information: OTG0154905
If getpack failed to handle an override, the other overrides were ignored and the checkout log was lost.
This fixes the problems.