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This commit is contained in:
Edwin Eefting 2021-04-17 22:33:12 +02:00
parent 488ff6f551
commit 352d5e6094
1 changed files with 21 additions and 20 deletions
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zfs_autobackup/ZfsDataset.py
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@ -162,26 +162,27 @@ class ZfsDataset:
else:
return ZfsDataset(self.zfs_node, self.rstrip_path(1))
def find_prev_snapshot(self, snapshot, also_other_snapshots=False):
"""find previous snapshot in this dataset. None if it doesn't exist.
also_other_snapshots: set to true to also return snapshots that where
not created by us. (is_ours)
Args:
:type snapshot: str or ZfsDataset.ZfsDataset
:type also_other_snapshots: bool
"""
if self.is_snapshot:
raise (Exception("Please call this on a dataset."))
index = self.find_snapshot_index(snapshot)
while index:
index = index - 1
if also_other_snapshots or self.snapshots[index].is_ours():
return self.snapshots[index]
return None
# NOTE: unused for now
# def find_prev_snapshot(self, snapshot, also_other_snapshots=False):
# """find previous snapshot in this dataset. None if it doesn't exist.
#
# also_other_snapshots: set to true to also return snapshots that where
# not created by us. (is_ours)
#
# Args:
# :type snapshot: str or ZfsDataset.ZfsDataset
# :type also_other_snapshots: bool
# """
#
# if self.is_snapshot:
# raise (Exception("Please call this on a dataset."))
#
# index = self.find_snapshot_index(snapshot)
# while index:
# index = index - 1
# if also_other_snapshots or self.snapshots[index].is_ours():
# return self.snapshots[index]
# return None
def find_next_snapshot(self, snapshot, also_other_snapshots=False):
"""find next snapshot in this dataset. None if it doesn't exist