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  • Committer: Robert Collins
  • Date: 2005-10-07 04:10:46 UTC
  • mto: This revision was merged to the branch mainline in revision 1420.
  • Revision ID: robertc@robertcollins.net-20051007041046-10b07ae31ecde799
introduce transactions for grouping actions done to and with branches

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bzrlib/errors.py
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            Exception.__init__(self)
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class CommitNotPossible(LockError):
 
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    """A commit was attempted but we do not have a write lock open."""
 
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class AlreadyCommitted(LockError):
 
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    """A rollback was requested, but is not able to be accomplished."""
 
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class PointlessCommit(Exception):
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    """Commit failed because nothing was changed."""
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