Store the parent directory at the beginning of vcbuild so that its safe to use after `call`s.
Store the parent directory at the beginning of vcbuild so that its safe to use after `call`s.

ShieldBattery/ShieldBattery,ShieldBattery/ShieldBattery,ShieldBattery/ShieldBattery,ShieldBattery/ShieldBattery,ShieldBattery/ShieldBattery