PR: troubleshooting the PR not being created

.github/workflows/pr_from_upstream.yml

@@ -78,9 +78,8 @@ jobs:
           fi
       
           # Check if any changes were introduced by the merge
-          if [ -z "$(git diff --stat)" ]; then
+          if git diff --exit-code "origin/${{ env.TARGET_BRANCH }}"; then
             echo "No changes detected after merging. Exiting."
-            exit 0
           fi
         
       - name: Push changes to new branch
@@ -88,6 +87,7 @@ jobs:
         run: |
           git push origin "${{ env.BRANCH_NAME }}"
         
+
       - name: Create Pull Request
         if: success()
         uses: peter-evans/create-pull-request@v7.0.5