Action to automatically make PRs when new updates occur #18
Workflow file for this run
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| name: Check for tzdata updates | |
| on: | |
| pull_request: | |
| schedule: | |
| - cron: '0 9 * * *' # Runs daily at 9AM UTC | |
| workflow_dispatch: | |
| jobs: | |
| check-pr-exists: | |
| runs-on: ubuntu-latest | |
| outputs: | |
| pr_exists: ${{ steps.check_pr_exists.outputs.pr_exists }} | |
| steps: | |
| - name: Check if PR already exists | |
| id: check_pr_exists | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| run: | | |
| PR_EXISTS=$(gh pr --repo $GITHUB_REPOSITORY \ | |
| list --search "Update tzdata to version" \ | |
| --json number --jq '.[] | .number') | |
| if [ -n "$PR_EXISTS" ]; then | |
| echo "A PR updating the tzdata version already exists: https://github.com/python/tzdata/pulls/${PR_EXISTS}" | |
| echo "::set-output name=pr_exists::true" | |
| exit 0 | |
| else | |
| echo "::set-output name=pr_exists::false" | |
| fi | |
| check-for-updates: | |
| runs-on: ubuntu-latest | |
| needs: check-pr-exists | |
| permissions: | |
| pull-requests: write | |
| contents: write | |
| if: needs.check-pr-exists.outputs.pr_exists == 'false' # Run only if no PR exists | |
| outputs: | |
| changes_detected: ${{ steps.check_changes.outputs.changes_detected }} | |
| steps: | |
| - name: Check out repository (shallow) | |
| uses: actions/checkout@v3 | |
| with: | |
| fetch-depth: 1 # Shallow clone to save time | |
| - name: Set up Python 3.12 | |
| uses: actions/setup-python@v4 | |
| with: | |
| python-version: '3.12' | |
| - name: Install dependencies | |
| run: | | |
| python -m pip install tox | |
| sudo apt-get install gh | |
| - name: Run tox update | |
| run: tox -e update -- --no-skip-existing | |
| - name: Check for repository changes and commit | |
| id: check_changes | |
| run: | | |
| git config --global user.email "[email protected]" | |
| git config --global user.name "GitHub Action" | |
| # Check for changes | |
| if git diff --quiet; then | |
| echo "No changes detected." | |
| echo "::set-output name=changes_detected::false" | |
| exit 0 | |
| fi | |
| echo "Test" > news.d/2024c.md | |
| # Check for changes in the news.d directory | |
| git add -A | |
| news_files=$(git diff --cached --name-only --diff-filter=A | grep '^news.d/.*\.md' || true) | |
| if [ -z "$news_files" ]; then | |
| echo "No new file in news.d, failing the job." | |
| exit 1 | |
| fi | |
| if [ $(echo "$news_files" | wc -l) -ne 1 ]; then | |
| echo "More than one new file added in news.d, failing the job." | |
| exit 1 | |
| fi | |
| echo "::set-output name=changes_detected::true" | |
| # Extract TZDATA_VERSION from filename | |
| TZDATA_VERSION=$(basename "$news_files" .md) | |
| # Extract TZDATA_NEWS from file content | |
| TZDATA_NEWS=$(cat "$news_files") | |
| echo "TZDATA_VERSION=$TZDATA_VERSION" >> $GITHUB_ENV | |
| echo "TZDATA_NEWS=$TZDATA_NEWS" >> $GITHUB_ENV | |
| - name: Create PR | |
| id: commit_changes | |
| if: steps.check_changes.outputs.changes_detected == 'true' | |
| run: | | |
| git commit -m "Update tzdata to version $TZDATA_VERSION" \ | |
| -m "$TZDATA_NEWS" | |
| - name: Create pull request | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| if: steps.check_changes.outputs.changes_detected == 'true' | |
| run: | | |
| gh pr create --title "Update tzdata to version $TZDATA_VERSION" \ | |
| --body "$TZDATA_NEWS" \ | |
| --base main \ | |
| --head $(git rev-parse --abbrev-ref HEAD) \ | |
| --label "automatic-updates" |