Add Harvard CS50 #38
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| name: Update Submodules | |
| on: | |
| push: | |
| branches: | |
| - '**' # This runs on any branch | |
| jobs: | |
| update-submodules: | |
| runs-on: ubuntu-latest | |
| steps: | |
| # Step 1: Checkout the repository with submodules | |
| - name: Checkout repository | |
| uses: actions/checkout@v3 | |
| with: | |
| submodules: 'recursive' # Ensure submodules are checked out | |
| fetch-depth: 0 # Fetch full history to ensure we can compare commits | |
| # Step 2: Update submodules only if not at the latest commit | |
| - name: Selectively Update Submodules | |
| id: submodule-update | |
| run: | | |
| # Initialize submodules | |
| git submodule update --init --recursive | |
| # Track if any submodules were updated | |
| updated_submodules=0 | |
| # Iterate through each submodule | |
| git submodule foreach ' | |
| # Get the current commit hash of the submodule | |
| current_commit=$(git rev-parse HEAD) | |
| # Fetch the latest commits from origin | |
| git fetch origin main | |
| # Get the latest commit hash from origin/main | |
| latest_commit=$(git rev-parse origin/main) | |
| # Compare current and latest commits | |
| if [ "$current_commit" != "$latest_commit" ]; then | |
| echo "Updating submodule: $path" | |
| git checkout main | |
| git pull origin main | |
| updated_submodules=$((updated_submodules + 1)) | |
| else | |
| echo "Submodule $path is already up to date" | |
| fi | |
| ' | |
| # Set output and environment variable for subsequent steps | |
| if [ $updated_submodules -gt 0 ]; then | |
| echo "submodules_updated=true" >> $GITHUB_ENV | |
| echo "Updated $updated_submodules submodules" | |
| else | |
| echo "submodules_updated=false" >> $GITHUB_ENV | |
| echo "No submodules needed updating" | |
| fi | |
| # Step 3: Commit changes only if submodules were updated | |
| - name: Commit changes | |
| if: env.submodules_updated == 'true' | |
| run: | | |
| git config --global user.name "github-actions[bot]" | |
| git config --global user.email "github-actions[bot]@users.noreply.github.com" | |
| git add . | |
| git commit -m "CI: Update specific submodules to latest main branch commits" || echo "No changes to commit" | |
| # Step 4: Pull the latest changes from the remote branch before pushing | |
| - name: Pull the latest changes | |
| if: env.submodules_updated == 'true' | |
| run: git pull origin ${{ github.ref_name }} --rebase --allow-unrelated-histories | |
| # Step 5: Push the changes back to the repository | |
| - name: Push changes | |
| if: env.submodules_updated == 'true' | |
| env: | |
| TOKEN: ${{ secrets.PAT_TOKEN }} | |
| run: | | |
| git remote set-url origin https://x-access-token:${TOKEN}@github.com/${{ github.repository }}.git | |
| git push origin HEAD |