Merge pull request #1715 from EliahKagan/ci-submodules

Have init script clone submodules unconditionally

Author: Byron

.github/workflows/cygwin-test.yml

@@ -26,7 +26,6 @@ jobs:
     - uses: actions/checkout@v4
       with:
         fetch-depth: 0
-        submodules: recursive
 
     - name: Install Cygwin
       uses: cygwin/cygwin-install-action@v4

.github/workflows/pythonpackage.yml

@@ -27,7 +27,6 @@ jobs:
     - uses: actions/checkout@v4
       with:
         fetch-depth: 0
-        submodules: recursive
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4

init-tests-after-clone.sh

@@ -47,10 +47,8 @@ git reset --hard HEAD~1
 # Point the master branch where we started, so we test the correct code.
 git reset --hard __testing_point__
 
-# The tests need submodules. (On CI, they would already have been checked out.)
-if ! ci; then
-    git submodule update --init --recursive
-fi
+# The tests need submodules, including a submodule with a submodule.
+git submodule update --init --recursive
 
 # The tests need some version tags. Try to get them even in forks. This fetches
 # other objects too. So, locally, we always do it, for a consistent experience.