This should also address the remaining build failures I'd seen in Staging.
Plus a bit fool-proofing; especially for souce_dir, which can happen to be created in two places, it makes sense to verify if it was already done (used to be done only once in _prep, but as that runs in a too early phase, we better check twice)
This should also address the remaining build failures I'd seen in Staging.
Plus a bit fool-proofing; especially for souce_dir, which can happen to be created in two places, it makes sense to verify if it was already done (used to be done only once in _prep, but as that runs in a too early phase, we better check twice)