Update pull-request-template.md #3
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| name: Trigger n8n Webhook with Complete PR Info | |
| on: | |
| pull_request: | |
| types: [opened, reopened] | |
| workflow_dispatch: {} | |
| permissions: | |
| contents: write | |
| pull-requests: write | |
| jobs: | |
| gather-and-send: | |
| runs-on: ubuntu-latest | |
| environment: n8n-sending | |
| steps: | |
| # 1. Checkout repository | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| # 2. Generate Run UUID | |
| - name: Generate Run UUID | |
| id: uuid | |
| run: echo "run_token=$(uuidgen)" >> $GITHUB_OUTPUT | |
| # 3. Pre-flight checks | |
| - name: Validate setup | |
| run: | | |
| if [[ -z "${{ secrets.GITHUB_TOKEN }}" ]]; then | |
| echo "Missing GITHUB_TOKEN secret." | |
| exit 1 | |
| fi | |
| if [[ -z "${{ github.event.pull_request.number }}" ]]; then | |
| echo "No PR number found in event payload." | |
| exit 1 | |
| fi | |
| if [[ -z "${{ secrets.N8N_SENDING_TOKEN }}" ]]; then | |
| echo "Missing N8N_SENDING_TOKEN secret." | |
| exit 1 | |
| fi | |
| # 4-6. Fetch PR metadata, files, commits | |
| - name: Fetch PR metadata | |
| run: | | |
| gh api repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }} > pr.json | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Fetch PR files | |
| run: | | |
| gh api repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/files > files.json | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Fetch PR commits | |
| run: | | |
| gh api repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/commits > commits.json | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| # 7. Fetch PR diff and compress | |
| - name: Fetch PR diff and compress | |
| run: | | |
| curl -sSL \ | |
| -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \ | |
| -H "Accept: application/vnd.github.v3.diff" \ | |
| "https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}" \ | |
| > pr.diff | |
| gzip -c pr.diff > pr.diff.gz | |
| base64 -w 0 pr.diff.gz > diff.b64 | |
| echo "::add-mask::$(cat diff.b64)" | |
| # 8. Debug payload size | |
| - name: Debug payload size | |
| run: | | |
| echo "PR metadata size: $(stat -c%s pr.json) bytes" | |
| echo "Files metadata size: $(stat -c%s files.json) bytes" | |
| echo "Commits metadata size: $(stat -c%s commits.json) bytes" | |
| echo "Compressed diff size: $(stat -c%s pr.diff.gz) bytes" | |
| # 8b. Remove llms-related files before payload | |
| - name: Remove llms-related files | |
| run: | | |
| jq 'map(select(.filename | test("llms"; "i") | not))' files.json > cleaned.json | |
| mv cleaned.json files.json | |
| # 9. Combine and send payload to n8n | |
| - name: Combine and send to n8n webhook | |
| env: | |
| N8N_WEBHOOK_URL: ${{ secrets.N8N_WEBHOOK_URL }} | |
| N8N_SENDING_TOKEN: ${{ secrets.N8N_SENDING_TOKEN }} | |
| run: | | |
| set -e | |
| jq -n \ | |
| --slurpfile pr pr.json \ | |
| --slurpfile files files.json \ | |
| --slurpfile commits commits.json \ | |
| --arg diff_base64 "$(cat diff.b64)" \ | |
| --arg run_token "${{ steps.uuid.outputs.run_token }}" \ | |
| --arg n8n_sending_token "$N8N_SENDING_TOKEN" \ | |
| '{ | |
| pr: $pr[0], | |
| files: $files[0], | |
| commits: $commits[0], | |
| diff_base64: $diff_base64, | |
| token: $run_token, | |
| n8n_sending_token: $n8n_sending_token | |
| }' > payload.json | |
| echo "::add-mask::$N8N_SENDING_TOKEN" | |
| PAYLOAD_SIZE=$(stat -c%s payload.json) | |
| MAX_BYTES=$((10*1024*1024)) | |
| if (( PAYLOAD_SIZE > MAX_BYTES )); then | |
| echo "Payload too large ($PAYLOAD_SIZE bytes). Aborting send." | |
| exit 1 | |
| fi | |
| RESPONSE=$(curl -s -w "\n%{http_code}" -X POST \ | |
| -H "Content-Type: application/json" \ | |
| --data-binary @payload.json \ | |
| "$N8N_WEBHOOK_URL") | |
| HTTP_BODY=$(echo "$RESPONSE" | sed '$d') | |
| HTTP_STATUS=$(echo "$RESPONSE" | tail -n1) | |
| echo "n8n responded with status: $HTTP_STATUS" | |
| echo "$HTTP_BODY" > response_body.json | |
| STATUS=$(jq -r ".status" response_body.json) | |
| MATCHED=$(jq -r ".token" response_body.json) | |
| if [ "$MATCHED" != "${{ steps.uuid.outputs.run_token }}" ] || [ "$STATUS" != "completed" ]; then | |
| echo "n8n workflow failed or token mismatch" | |
| exit 1 | |
| fi | |
| if [ "$HTTP_STATUS" -lt 200 ] || [ "$HTTP_STATUS" -ge 300 ]; then | |
| echo "n8n workflow failed (HTTP $HTTP_STATUS)" | |
| exit 1 | |
| fi | |
| # 9b. Upload n8n response artifact | |
| - name: Upload n8n response artifact | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: n8n-response | |
| path: response_body.json | |
| if-no-files-found: error | |
| retention-days: 1 | |
| # Step 10 moved to a separate job under n8n-receiving env | |
| receive-validate-and-comment: | |
| runs-on: ubuntu-latest | |
| needs: gather-and-send | |
| environment: n8n-receiving | |
| steps: | |
| # 1. Checkout repository (fix for gh pr comment) | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| # 2. Download n8n response | |
| - name: Download n8n response | |
| uses: actions/download-artifact@v4 | |
| with: | |
| name: n8n-response | |
| path: . | |
| # 3. Validate receiving token from n8n response | |
| - name: Validate receiving token | |
| env: | |
| EXPECTED_TOKEN: ${{ secrets.N8N_RECEIVING_TOKEN }} | |
| run: | | |
| RECEIVED_TOKEN=$(jq -r 'if type=="array" then .[0].receiving_token else .receiving_token end // empty' response_body.json) | |
| if [ -z "$RECEIVED_TOKEN" ]; then | |
| echo "No receiving_token provided by n8n" | |
| exit 1 | |
| fi | |
| if [ "$RECEIVED_TOKEN" != "$EXPECTED_TOKEN" ]; then | |
| echo "Receiving token mismatch" | |
| exit 1 | |
| fi | |
| echo "✅ Receiving token validated successfully" | |
| # 4. Parse verification claims and post PR comments | |
| - name: Post PR comments | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| run: | | |
| RESPONSE_BODY=$(cat response_body.json) | |
| PR_NUMBER=$(echo "$RESPONSE_BODY" | jq -r ".pr_number") | |
| COMMENTS_JSON=$(echo "$RESPONSE_BODY" | jq -r ".comment") | |
| if [ -z "$COMMENTS_JSON" ] || [ "$COMMENTS_JSON" == "null" ]; then | |
| echo "No comments to post." | |
| exit 0 | |
| fi | |
| echo "$COMMENTS_JSON" | jq -c '.' | jq -c '.[]' | while read -r item; do | |
| FORMATTED_REVIEW=$(echo "$item" | jq -r '.formattedReview') | |
| if [ -n "$FORMATTED_REVIEW" ] && [ "$FORMATTED_REVIEW" != "null" ]; then | |
| echo "Posting feedback to PR #$PR_NUMBER..." | |
| gh pr comment "$PR_NUMBER" --body "$FORMATTED_REVIEW" | |
| fi | |
| done |