diff options
Diffstat (limited to 'buildstream/sandbox/_mount.py')
| -rw-r--r-- | buildstream/sandbox/_mount.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/buildstream/sandbox/_mount.py b/buildstream/sandbox/_mount.py index 49068fe92..b516d89cf 100644 --- a/buildstream/sandbox/_mount.py +++ b/buildstream/sandbox/_mount.py @@ -23,7 +23,7 @@ from contextlib import contextmanager, ExitStack from .. import utils from .._fuse import SafeHardlinks - +from ..storage import CasBasedDirectory # Mount() # @@ -35,6 +35,7 @@ class Mount(): # Getting _get_underlying_directory() here is acceptable as # we're part of the sandbox code. This will fail if our # directory is CAS-based. + assert not isinstance(sandbox.get_virtual_directory(), CasBasedDirectory) root_directory = sandbox.get_virtual_directory()._get_underlying_directory() self.mount_point = mount_point |