logging for renaming partial WAL files

Author: kathia-barahona

pghoard/pghoard.py

@@ -961,6 +961,7 @@ def _rename_partial_files_if_completed(self, site: str, wal_location: str) -> No
             # TODO: handle partial files that are incompleted
             return
 
+        self.log.info("Found a completed partial WAL file %r, renaming before shutdown.", partial_file_path)
         # this will not trigger inotify
         os.rename(partial_file_path, renamed_partial_file_path)