diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7e8c7a6dcd..589ac50334 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1157,6 +1157,7 @@ ${{ hashFiles('.pre-commit-config.yaml') }}"
         uses: actions/checkout@v2
         with:
           persist-credentials: false
+          submodules: recursive
       - name: "Setup python"
         uses: actions/setup-python@v2
         with:
diff --git a/scripts/ci/constraints/ci_commit_constraints.sh b/scripts/ci/constraints/ci_commit_constraints.sh
index c3a75211ad..7eda70f9d4 100755
--- a/scripts/ci/constraints/ci_commit_constraints.sh
+++ b/scripts/ci/constraints/ci_commit_constraints.sh
@@ -22,7 +22,7 @@ cp -v ./files/constraints-*/constraints*.txt repo/
 cd repo || exit 1
 git config --local user.email "dev@airflow.apache.org"
 git config --local user.name "Automated GitHub Actions commit"
-git diff --exit-code || git commit --all --message "Updating constraints. Build id:${CI_BUILD_ID}
+git diff --color --exit-code || git commit --all --message "Updating constraints. Build id:${CI_BUILD_ID}
 
 This update in constraints is automatically committed by the CI 'constraints-push' step based on
 HEAD of '${CI_REF}' in '${CI_TARGET_REPO}'