[ECO-2809] Restrict number of lines changed in a PR #30
Workflow file for this run
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| concurrency: | |
| group: >- | |
| ${{ github.workflow }}-${{ | |
| github.event.pull_request.number || | |
| github.event.pull_request_review.pull_request.number | |
| }} | |
| cancel-in-progress: true | |
| env: | |
| GITHUB_TOKEN: '${{ secrets.GITHUB_TOKEN }}' | |
| MAX_LINES: 300 | |
| OVERRIDE_APPROVING_REVIEWS: 1 | |
| jobs: | |
| check-n-lines-changed: | |
| runs-on: 'ubuntu-latest' | |
| steps: | |
| - uses: 'actions/checkout@v4' | |
| with: | |
| fetch-depth: 0 | |
| - id: 'get-pr-number' | |
| name: 'Get PR number' | |
| # yamllint disable rule:indentation | |
| run: | | |
| PR_NUMBER=$( | |
| if [ "${{ github.event_name }}" = "pull_request_review" ]; then | |
| echo "${{ github.event.pull_request_review.pull_request.number }}" | |
| else | |
| echo "${{ github.event.pull_request.number }}" | |
| fi | |
| ) | |
| echo "number=$PR_NUMBER" >> $GITHUB_OUTPUT | |
| # yamllint disable rule:indentation | |
| - id: 'get-insertions' | |
| name: 'Get number of lines added' | |
| # yamllint disable rule:indentation | |
| run: | | |
| git fetch origin ${{ github.base_ref }} | |
| INSERTIONS=$( | |
| git diff --stat origin/${{ github.base_ref }} | \ | |
| tail -n1 | grep -oP '\d+(?= insertion)' || echo "0" | |
| ) | |
| echo "Number of lines added: $INSERTIONS" | |
| echo "insertions=$INSERTIONS" >> $GITHUB_OUTPUT | |
| # yamllint enable rule:indentation | |
| - id: 'get-deletions' | |
| name: 'Get number of lines removed' | |
| # yamllint disable rule:indentation | |
| run: | | |
| DELETIONS=$( | |
| git diff --stat origin/${{ github.base_ref }} | \ | |
| tail -n1 | grep -oP '\d+(?= deletion)' || echo "0" | |
| ) | |
| echo "Number of lines removed: $DELETIONS" | |
| echo "deletions=$DELETIONS" >> $GITHUB_OUTPUT | |
| # yamllint enable rule:indentation | |
| - id: 'get-approvals' | |
| name: 'Get number of active approving reviews' | |
| # Sum up the number of approvals across all reviewers, only counting a | |
| # review as approving if it is the last review by that reviewer. | |
| # yamllint disable rule:indentation | |
| run: | | |
| APPROVALS=$( | |
| gh pr view ${{ steps.get-pr-number.outputs.number }} \ | |
| --json reviews | \ | |
| jq ' | |
| .reviews | |
| | group_by(.user.login) | |
| | map(last) | |
| | map(select(.state == "APPROVED")) | |
| | length | |
| ' | |
| ) | |
| echo "Number of approvals: $APPROVALS" | |
| echo "approvals=$APPROVALS" >> $GITHUB_OUTPUT | |
| # yamllint enable rule:indentation | |
| - name: 'Check size versus approvals' | |
| # yamllint disable rule:indentation | |
| run: | | |
| TOTAL=$(( | |
| ${{ steps.get-insertions.outputs.insertions }} + \ | |
| ${{ steps.get-deletions.outputs.deletions }} | |
| )) | |
| echo "Total lines changed: $TOTAL" | |
| NEEDS_APPROVAL=0 | |
| if [ "$TOTAL" -gt "${{ env.MAX_LINES }}" ]; then | |
| NEEDS_APPROVAL=1 | |
| fi | |
| HAS_APPROVALS=0 | |
| if [ "${{ steps.get-approvals.outputs.approvals }}" -ge \ | |
| "${{ env.OVERRIDE_APPROVING_REVIEWS }}" ]; then | |
| HAS_APPROVALS=1 | |
| fi | |
| if [ "$NEEDS_APPROVAL" = "1" ] && [ "$HAS_APPROVALS" = "0" ]; then | |
| echo "❌ Large PR ($TOTAL lines) needs" \ | |
| "${{ env.OVERRIDE_APPROVING_REVIEWS }} approvals" | |
| exit 1 | |
| elif [ "$NEEDS_APPROVAL" = "1" ]; then | |
| echo "✅ Large PR ($TOTAL lines) has enough approvals" | |
| else | |
| echo "✅ Small PR ($TOTAL lines)" | |
| fi | |
| # yamllint enable rule:indentation | |
| name: 'Check number of lines changed' | |
| 'on': | |
| pull_request: | |
| branches-ignore: | |
| - 'production' | |
| - 'fallback' | |
| pull_request_review: null | |
| ... |