Alert Changed Branch Protections #1
Workflow file for this run
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| # Modified copy of: https://github.com/github/docs/blob/main/.github/workflows/alert-changed-branch-protections.yml | |
| on: | |
| branch_protection_rule: | |
| workflow_dispatch: | |
| schedule: | |
| - cron: '20 16 * * *' # Run daily at 16:20 UTC | |
| pull_request: | |
| paths: | |
| - .github/workflows/security-branch-protections.yml | |
| - .github/branch_protection_settings/*.json | |
| name: Alert Changed Branch Protections | |
| run-name: Alert Changed Branch Protections | |
| permissions: | |
| contents: write | |
| jobs: | |
| check-branch-protections: | |
| runs-on: ubuntu-latest | |
| environment: Security | |
| if: github.repository == 'aws-powertools/powertools-lambda-java' | |
| strategy: | |
| matrix: | |
| # List of branches we want to monitor for protection changes | |
| branch: | |
| - main | |
| - v2 | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1 | |
| - name: Fetch branch protections | |
| id: fetch | |
| env: | |
| GH_TOKEN: ${{ secrets.BRANCH_PROTECTION_TOKEN }} | |
| run: | | |
| # Fetch branch protections and store them in a file | |
| gh api /repos/${{ github.repository }}/branches/${{ matrix.branch }}/protection \ | |
| > .github/branch_protection_settings/${{ matrix.branch }}.json | |
| - name: Compare branch protections | |
| id: compare | |
| run: | | |
| git diff --quiet .github/branch_protection_settings/${{ matrix.branch }}.json \ | |
| || echo "diff_failed=true" >> $GITHUB_ENV | |
| - name: Send webhook | |
| if: ${{ env.diff_failed == 'true' }} | |
| run: | | |
| curl -X POST -d '{"message": "Branch protections have changed for ${{ github.repository }} on ${{ matrix.branch }}. Please review the changes or revert the changes in GitHub. https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}"}' \ | |
| ${{ secrets.SLACK_WEBHOOK_URL }} | |
| - name: Fail workflow | |
| if: ${{ env.diff_failed == 'true' }} | |
| run: | | |
| echo "::error::Branch protections have been changed" |