Sync from template #3
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| name: Sync from template | |
| on: | |
| schedule: | |
| - cron: "0 6 * * 1" # Mondays 06:00 UTC | |
| workflow_dispatch: {} | |
| permissions: | |
| contents: write | |
| pull-requests: write | |
| jobs: | |
| sync: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout consumer repo | |
| uses: actions/checkout@v5 | |
| with: | |
| fetch-depth: 0 | |
| - name: Add template remote and fetch | |
| run: | | |
| TEMPLATE_REPO="github/cost-center-automation" | |
| git remote add template https://github.com/${TEMPLATE_REPO}.git | |
| git fetch template --tags --prune | |
| - name: Check for template updates | |
| id: check-updates | |
| run: | | |
| TEMPLATE_REPO="github/cost-center-automation" | |
| TEMPLATE_BRANCH=main | |
| CURRENT_VERSION="" | |
| TEMPLATE_VERSION="" | |
| # Get current version if it exists | |
| if [ -f VERSION ]; then | |
| CURRENT_VERSION=$(cat VERSION) | |
| fi | |
| # Get template version | |
| git show template/$TEMPLATE_BRANCH:VERSION > /tmp/template_version 2>/dev/null || echo "1.0.0" > /tmp/template_version | |
| TEMPLATE_VERSION=$(cat /tmp/template_version) | |
| echo "current_version=$CURRENT_VERSION" >> $GITHUB_OUTPUT | |
| echo "template_version=$TEMPLATE_VERSION" >> $GITHUB_OUTPUT | |
| # Check if there are any differences | |
| git diff --quiet HEAD template/$TEMPLATE_BRANCH | |
| if [ $? -eq 0 ]; then | |
| echo "skip=true" >> $GITHUB_OUTPUT | |
| echo "No changes from template." | |
| else | |
| echo "skip=false" >> $GITHUB_OUTPUT | |
| echo "Changes detected from template." | |
| fi | |
| - name: Merge template default branch into working branch | |
| if: steps.check-updates.outputs.skip != 'true' | |
| run: | | |
| TEMPLATE_BRANCH=main | |
| git checkout -B template-sync | |
| git merge --no-commit --no-ff template/$TEMPLATE_BRANCH || true | |
| # Exclude files consumers own (restore from .syncignore if it exists) | |
| if [ -f .syncignore ]; then | |
| echo "Restoring consumer-owned files based on .syncignore..." | |
| while IFS= read -r pattern; do | |
| # Skip empty lines and comments | |
| [[ -z "$pattern" || "$pattern" =~ ^#.*$ ]] && continue | |
| echo "Restoring: $pattern" | |
| git restore --source=HEAD -- "$pattern" 2>/dev/null || true | |
| done < .syncignore | |
| else | |
| # Default exclusions | |
| git restore --source=HEAD -- .github/renovate.json 2>/dev/null || true | |
| git restore --source=HEAD -- config/config.yaml 2>/dev/null || true | |
| fi | |
| # Check if there are still changes after exclusions | |
| if git diff --quiet; then | |
| echo "No changes from template after exclusions." | |
| exit 0 | |
| fi | |
| # Commit the changes | |
| COMMIT_MSG="chore: sync from template ($TEMPLATE_BRANCH)" | |
| if [ -n "${{ steps.check-updates.outputs.current_version }}" ] && [ -n "${{ steps.check-updates.outputs.template_version }}" ]; then | |
| COMMIT_MSG="chore: sync from template v${{ steps.check-updates.outputs.current_version }} → v${{ steps.check-updates.outputs.template_version }}" | |
| fi | |
| git commit -m "$COMMIT_MSG" | |
| - name: Open PR | |
| if: steps.check-updates.outputs.skip != 'true' | |
| uses: peter-evans/create-pull-request@v7 | |
| with: | |
| token: ${{ secrets.TEMPLATE_SYNC_TOKEN || github.token }} | |
| branch: template-sync | |
| title: "Sync from template" | |
| body: | | |
| This PR pulls latest changes from the template repository. | |
| **Version Update:** ${{ steps.check-updates.outputs.current_version || 'unknown' }} → ${{ steps.check-updates.outputs.template_version }} | |
| **What's included:** | |
| - Latest workflow improvements | |
| - Documentation updates | |
| - Bug fixes and enhancements | |
| **Review Guidelines:** | |
| - Review conflicts carefully | |
| - Files excluded by policy were restored to the consumer version | |
| - Check that your custom configurations are preserved | |
| **Files that are never overwritten:** | |
| - `config/config.yaml` (your custom configuration) | |
| - `.github/renovate.json` (if you have custom Renovate config) | |
| - Any files listed in `.syncignore` | |
| 🤖 This PR was created automatically by the template sync workflow. | |
| commit-message: "chore: sync from template" | |
| labels: template-sync, chore, automated | |
| draft: false | |
| delete-branch: true |