patrick/zfs_autobackup
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fix #84

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This commit is contained in:
Edwin Eefting
2021-07-03 14:31:34 +02:00
parent c5363a1538
commit 77f1c16414
4 changed files with 56 additions and 17 deletions
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12
zfs_autobackup/ZfsDataset.py
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@ -874,9 +874,13 @@ class ZfsDataset:
:type target_keeps: list of ZfsDataset
"""
# on source: destroy all obsoletes before common.
# on source: destroy all obsoletes before common. (since we cant send them anyways)
# But after common, only delete snapshots that target also doesn't want
before_common = True
if common_snapshot:
before_common = True
else:
before_common = False
for source_snapshot in self.snapshots:
if common_snapshot and source_snapshot.snapshot_name == common_snapshot.snapshot_name:
before_common = False
@ -888,8 +892,8 @@ class ZfsDataset:
# on target: destroy everything thats obsolete, except common_snapshot
for target_snapshot in target_dataset.snapshots:
if (target_snapshot in target_obsoletes) and (
not common_snapshot or target_snapshot.snapshot_name != common_snapshot.snapshot_name):
if (target_snapshot in target_obsoletes) \
and ( not common_snapshot or (target_snapshot.snapshot_name != common_snapshot.snapshot_name)):
if target_snapshot.exists:
target_snapshot.destroy()