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Fix a bug in `borg check --repair` that corrupts existing archives:
https://github.com/borgbackup/borg/issues/3444
Patches copied from upstream source repository:
https://github.com/borgbackup/borg/commit/e09892caec8a63d59e909518c4e9c230dbd69774
https://github.com/borgbackup/borg/commit/a68d28bfa4db30561150c83eb6a0dca5efa4d9e8
From a68d28bfa4db30561150c83eb6a0dca5efa4d9e8 Mon Sep 17 00:00:00 2001
From: Thomas Waldmann <tw@waldmann-edv.de>
Date: Sat, 16 Dec 2017 01:11:40 +0100
Subject: [PATCH 1/2] modify borg check unit test so it "hangs", see #3444
it doesn't infinitely hang, but slows down considerably.
---
src/borg/testsuite/archiver.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/borg/testsuite/archiver.py b/src/borg/testsuite/archiver.py
index c7def2c7..b3383e97 100644
--- a/src/borg/testsuite/archiver.py
+++ b/src/borg/testsuite/archiver.py
@@ -3006,7 +3006,7 @@ def test_missing_file_chunk(self):
def test_missing_archive_item_chunk(self):
archive, repository = self.open_archive('archive1')
with repository:
- repository.delete(archive.metadata.items[-5])
+ repository.delete(archive.metadata.items[0])
repository.commit()
self.cmd('check', self.repository_location, exit_code=1)
self.cmd('check', '--repair', self.repository_location, exit_code=0)
--
2.15.1
From e09892caec8a63d59e909518c4e9c230dbd69774 Mon Sep 17 00:00:00 2001
From: Thomas Waldmann <tw@waldmann-edv.de>
Date: Sat, 16 Dec 2017 01:16:05 +0100
Subject: [PATCH 2/2] check --repair: fix malfunctioning validator, fixes #3444
the major problem was the ('path' in item) expression.
the dict has bytes-typed keys there, so it never succeeded as it
looked for a str key. this is a 1.1 regression, 1.0 was fine.
the dict -> StableDict change is just for being more specific,
the check triggered correctly as StableDict subclasses dict,
it was just a bit too general.
---
src/borg/archive.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/borg/archive.py b/src/borg/archive.py
index 239d00b7..be086800 100644
--- a/src/borg/archive.py
+++ b/src/borg/archive.py
@@ -1457,7 +1457,7 @@ def robust_iterator(archive):
"""
item_keys = frozenset(key.encode() for key in self.manifest.item_keys)
required_item_keys = frozenset(key.encode() for key in REQUIRED_ITEM_KEYS)
- unpacker = RobustUnpacker(lambda item: isinstance(item, dict) and 'path' in item,
+ unpacker = RobustUnpacker(lambda item: isinstance(item, StableDict) and b'path' in item,
self.manifest.item_keys)
_state = 0
--
2.15.1
|
