snapshot: Set as essential module

Storage Snapshots will be installed by default. It will only be usable
if filesystem is btrfs. For other filesystems, a message is displayed
that it is not available.

Closes #1284.

Signed-off-by: James Valleroy <jvalleroy@mailbox.org>
Reviewed-by: Sunil Mohan Adapa <sunil@medhas.org>
This commit is contained in:
James Valleroy 2020-05-04 12:42:16 -04:00 committed by Sunil Mohan Adapa
parent ab16dec26b
commit d437f61423
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@ -17,6 +17,8 @@ from .manifest import backup # noqa, pylint: disable=unused-import
version = 4
is_essential = True
managed_packages = ['snapper']
_description = [