better than just checking if it exists, because some on some platforms (e.g. ro AFS on HPC ) os.path.exists() may give False just because os.stat fails, even though the file actually exists
Also adds more test coveraate of the migrated marker checking
better than just checking if it exists, because some on some platforms (e.g. ro AFS on HPC ) os.path.exists() may give False just because os.stat fails, even though the file actually exists
Also adds more test coveraate of the migrated marker checking
Fixes #355