steps:
- uses: actions/checkout@v2
+ - name: Checkout submodules # See https://github.com/actions/checkout#Checkout-submodules
+ shell: bash
+ run: |
+ auth_header="$(git config --local --get http.https://github.com/.extraheader)"
+ git submodule sync --recursive
+ git -c "http.extraheader=$auth_header" -c protocol.version=2 submodule update --init --force --recursive --depth=1
- name: Set up JDK 11
uses: actions/setup-java@v1
with: