+ update-requirements -s --source /src/openstack-requirements /src/rally && \
+ git clone --depth 1 https://github.com/openstack/refstack-client.git /src/refstack-client && \
+ (cd src/refstack-client && git checkout -b $REFSTACK_TAG) && \
+ update-requirements -s --source /src/openstack-requirements /src/refstack-client && \