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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2007-08-20 14:19:21 UTC
  • mfrom: (2598.5.19 nullrevision)
  • Revision ID: pqm@pqm.ubuntu.com-20070820141921-kmbpaev7g9epuy08
NULL_REVISION is returned to indicate the null revision, not None

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bzrlib/revision.py
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def ensure_null(revision_id):
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    """Ensure only NULL_REVISION is used to represent the null revisionn"""
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    if revision_id is None:
 
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        symbol_versioning.warn('NULL_REVISION should be used for the null'
 
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            ' revision instead of None, as of bzr 0.91.',
 
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            DeprecationWarning, stacklevel=2)
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        return NULL_REVISION
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    else:
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        return revision_id