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don't crash in first part of truncate_and_unlink, fixes #3117

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(cherry picked from commit 7a689b1295)
This commit is contained in:
Thomas Waldmann 2017-10-10 00:51:13 +02:00
parent f407de07a8
commit a68d463041
1 changed files with 8 additions and 2 deletions
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10
src/borg/helpers.py
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@ -2,6 +2,7 @@
import contextlib
import collections
import enum
import errno
import grp
import hashlib
import logging
@ -2283,8 +2284,13 @@ def truncate_and_unlink(path):
recover. Refer to the "File system interaction" section
in repository.py for further explanations.
"""
with open(path, 'r+b') as fd:
fd.truncate()
try:
with open(path, 'r+b') as fd:
fd.truncate()
except OSError as err:
if err.errno != errno.ENOTSUP:
raise
# don't crash if the above ops are not supported.
os.unlink(path)