possible fix?

.github/workflows/ci.yaml

@@ -31,7 +31,7 @@ jobs:
         run: |
           set +x
           formatted_files=$(find ./config ./src ./tools -newer /tmp/pre_fmt)
-          num_formatted_files=$(echo "$formatted_files" | wc -l)
+          num_formatted_files=$(echo -n "$formatted_files" | grep -c '^')
 
           if [ "$num_formatted_files" -gt "0" ]; then
             echo "❌🔥 Bad code detected! The following files would be reformatted:"