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MigrationManager: _transaction is a stack; not a queue

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Correct the return value of current_transaction that treated the
_transaction field incorrectly as a queue rather than a stack like
everything else.  This completely broke the ability to commit and
rollback child transactions (correctly).  Fortunately, it could only
trigger on a "hint"-hint.

Signed-off-by: Niels Thykier <niels@thykier.net>
This commit is contained in:
Niels Thykier 2018-12-22 20:48:28 +00:00
parent a5352d353b
commit 7d758760d1
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GPG Key ID: A65B78DBE67C7AAC
1 changed files with 1 additions and 1 deletions
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britney2/migration.py
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@ -47,7 +47,7 @@ class MigrationManager(object):
@property @property
def current_transaction(self): def current_transaction(self):
return self._transactions[0] if self._transactions else None return self._transactions[-1] if self._transactions else None
def compute_groups(self, def compute_groups(self,
item, item,