in hack/create_kptfile.py [0:0]
def restore():
subdirs = ["gcp/cloud-endpoints", "gcp/deployment_manager_configs",
"gcp/gpu-driver", "gcp/iap-ingress",
"gcp/prometheus", "gcp/privateutil"]
for subdir in subdirs:
subprocess.check_call(["git", "checkout", "upstream/master", subdir])