post comment on pr

Author: shaswot77

.github/workflows/pr-run.yaml

@@ -6,6 +6,8 @@ on:
 jobs:
   validate-and-deploy:
     runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
     steps:
       - uses: actions/checkout@v6
         with:
@@ -85,50 +87,90 @@ jobs:
       - name: Summary
         if: always()
         run: |
-          echo "## 🧩 Plugin PR Summary" >> $GITHUB_STEP_SUMMARY
-          echo "" >> $GITHUB_STEP_SUMMARY
+          OUT=/tmp/summary.md
+
+          echo "## 🧩 Plugin PR Summary" >> $OUT
+          echo "" >> $OUT
 
           if [ "${{ steps.detect.outputs.plugins_modified }}" != "true" ]; then
-            echo "ℹ️ No plugins were modified in this PR." >> $GITHUB_STEP_SUMMARY
+            echo "ℹ️ No plugins were modified in this PR." >> $OUT
+            cat $OUT >> $GITHUB_STEP_SUMMARY
             exit 0
           fi
 
-          echo "### 📦 Modified Plugins" >> $GITHUB_STEP_SUMMARY
+          echo "### 📦 Modified Plugins" >> $OUT
           while IFS= read -r plugin_path; do
-            echo "- \`${plugin_path}\`" >> $GITHUB_STEP_SUMMARY
+            echo "- \`${plugin_path}\`" >> $OUT
           done <<< "${{ steps.detect.outputs.plugin_paths }}"
-          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $OUT
 
-          echo "### 📋 Results" >> $GITHUB_STEP_SUMMARY
-          echo "| Step | Status |" >> $GITHUB_STEP_SUMMARY
-          echo "|------|--------|" >> $GITHUB_STEP_SUMMARY
+          echo "### 📋 Results" >> $OUT
+          echo "| Step | Status |" >> $OUT
+          echo "|------|--------|" >> $OUT
 
           validate_conclusion="${{ steps.validate.conclusion }}"
           deploy_conclusion="${{ steps.deploy.conclusion }}"
 
           [ "$validate_conclusion" = "success" ] && v_status="✅ Passed" || v_status="❌ Failed"
           [ "$deploy_conclusion" = "success" ] && d_status="🚀 Deployed" || d_status="⏭️ Skipped"
 
-          echo "| Validation | ${v_status} |" >> $GITHUB_STEP_SUMMARY
-          echo "| Deployment | ${d_status} |" >> $GITHUB_STEP_SUMMARY
-          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "| Validation | ${v_status} |" >> $OUT
+          echo "| Deployment | ${d_status} |" >> $OUT
+          echo "" >> $OUT
 
           if [ -f /tmp/validation_results.ndjson ]; then
-            echo "### 🔍 Validation Details" >> $GITHUB_STEP_SUMMARY
-            echo "" >> $GITHUB_STEP_SUMMARY
+            echo "### 🔍 Validation Details" >> $OUT
+            echo "" >> $OUT
             while IFS= read -r line; do
               plugin_path=$(echo "$line" | jq -r '.plugin_path')
               valid=$(echo "$line" | jq -r '.valid')
               plugin_name=$(echo "$line" | jq -r '.pluginName // .plugin_path')
               [ "$valid" = "true" ] && icon="✅" || icon="❌"
 
-              echo "<details>" >> $GITHUB_STEP_SUMMARY
-              echo "<summary>${icon} <code>${plugin_name}</code></summary>" >> $GITHUB_STEP_SUMMARY
-              echo "" >> $GITHUB_STEP_SUMMARY
-              echo '```json' >> $GITHUB_STEP_SUMMARY
-              echo "$line" | jq 'del(.plugin_path)' >> $GITHUB_STEP_SUMMARY
-              echo '```' >> $GITHUB_STEP_SUMMARY
-              echo "</details>" >> $GITHUB_STEP_SUMMARY
-              echo "" >> $GITHUB_STEP_SUMMARY
+              echo "<details>" >> $OUT
+              echo "<summary>${icon} <code>${plugin_name}</code></summary>" >> $OUT
+              echo "" >> $OUT
+              echo '```json' >> $OUT
+              echo "$line" | jq 'del(.plugin_path)' >> $OUT
+              echo '```' >> $OUT
+              echo "</details>" >> $OUT
+              echo "" >> $OUT
             done < /tmp/validation_results.ndjson
           fi
+
+          cat $OUT >> $GITHUB_STEP_SUMMARY
+
+      - name: Post PR comment
+        if: always()
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const fs = require('fs');
+            const marker = '<!-- plugin-pr-summary -->';
+            const summary = fs.existsSync('/tmp/summary.md')
+              ? fs.readFileSync('/tmp/summary.md', 'utf8')
+              : '_No summary available._';
+            const body = `${marker}\n${summary}`;
+
+            const comments = await github.paginate(github.rest.issues.listComments, {
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.issue.number,
+            });
+
+            const existing = comments.find(c => c.body.includes(marker));
+
+            if (existing) {
+              await github.rest.issues.deleteComment({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                comment_id: existing.id,
+              });
+            }
+
+            await github.rest.issues.createComment({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.issue.number,
+              body,
+            });