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  • Committer: Aaron Bentley
  • Date: 2007-08-20 20:50:37 UTC
  • mto: This revision was merged to the branch mainline in revision 2765.
  • Revision ID: abentley@panoramicfeedback.com-20070820205037-z3yvwisr73r8jqff
Implement FileMover, to support TreeTransform rollback

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Lines of Context:
bzrlib/transform.py
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                                   file_id=modified_id, 
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                                   conflict_path=conflicting_path,
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                                   conflict_file_id=conflicting_id)
 
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class _FileMover(object):
 
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    def __init__(self):
 
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        self.past_renames = []
 
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    def rename(self, from_, to):
 
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        os.rename(from_, to)
 
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        self.past_renames.append((from_, to))
 
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    def rollback(self):
 
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        for from_, to in reversed(self.past_renames):
 
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            os.rename(to, from_)