Update build-pr-cmk.yml

Author: shwstppr

.github/workflows/build-pr-cmk.yml

@@ -39,6 +39,9 @@ jobs:
           path: cmk.linux.x86-64.pr${{ github.event.pull_request.number }}
           if-no-files-found: error
 
+      - name: Install jq
+        run: sudo apt-get update && sudo apt-get install -y jq
+
       - name: Comment on PR with artifact link
         if: ${{ github.event_name == 'pull_request' }}
         env:
@@ -47,9 +50,27 @@ jobs:
           RUN_ID: ${{ github.run_id }}
           REPO: ${{ github.repository }}
         run: |
-          COMMENT="✅ Build complete for PR #${PR_NUMBER}%0A🔗 [Download the cmk binary](https://github.com/${REPO}/actions/runs/${RUN_ID})"
-          curl -s -X POST \
-            -H "Authorization: Bearer ${GITHUB_TOKEN}" \
-            -H "Content-Type: application/json" \
-            -d "{\"body\": \"${COMMENT}\"}" \
-            "https://api.github.com/repos/${REPO}/issues/${PR_NUMBER}/comments"
+          COMMENT_BODY="<!-- cmk-build-artifact -->
+          ✅ Build complete for PR #${PR_NUMBER}
+          🔗 [Download the cmk binary](https://github.com/${REPO}/actions/runs/${RUN_ID})"
+
+          # Find existing comment ID (if any)
+          comment_id=$(curl -s -H "Authorization: Bearer ${GITHUB_TOKEN}" \
+            "https://api.github.com/repos/${REPO}/issues/${PR_NUMBER}/comments" |
+            jq '.[] | select(.user.login == "github-actions[bot]") | select(.body | contains("<!-- cmk-build-artifact -->")) | .id')
+
+          if [ -n "$comment_id" ]; then
+            echo "📝 Updating existing comment $comment_id"
+            curl -s -X PATCH \
+              -H "Authorization: Bearer ${GITHUB_TOKEN}" \
+              -H "Content-Type: application/json" \
+              -d "$(jq -n --arg body "$COMMENT_BODY" '{body: $body}')" \
+              "https://api.github.com/repos/${REPO}/issues/comments/${comment_id}"
+          else
+            echo "💬 Creating new comment"
+            curl -s -X POST \
+              -H "Authorization: Bearer ${GITHUB_TOKEN}" \
+              -H "Content-Type: application/json" \
+              -d "$(jq -n --arg body "$COMMENT_BODY" '{body: $body}')" \
+              "https://api.github.com/repos/${REPO}/issues/${PR_NUMBER}/comments"
+          fi