Merge pull request #4773 from ThomasWaldmann/ignore-hardlink-eacces

ignore EACCES (errno 13) when hardlinking, fixes #4730

src/borg/repository.py

@@ -298,7 +298,7 @@ def save_config(self, path, config):
             try:
                 os.link(config_path, old_config_path)
             except OSError as e:
-                if e.errno in (errno.EMLINK, errno.ENOSYS, errno.EPERM, errno.ENOTSUP):
+                if e.errno in (errno.EMLINK, errno.ENOSYS, errno.EPERM, errno.EACCES, errno.ENOTSUP):
                     logger.warning("Failed to securely erase old repository config file (hardlinks not supported>). "
                                    "Old repokey data, if any, might persist on physical storage.")
                 else: