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bzrlib/transform.py
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        irrelevant.
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        """
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        new_roots = [k for k, v in self._new_parent.iteritems() if v is
 
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        new_roots = [k for k, v in self._new_parent.iteritems() if v ==
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                     ROOT_PARENT]
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        if len(new_roots) < 1:
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            return
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        for trans_id in self._new_parent:
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            seen = set()
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            parent_id = trans_id
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            while parent_id is not ROOT_PARENT:
 
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            while parent_id != ROOT_PARENT:
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                seen.add(parent_id)
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                try:
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                    parent_id = self.final_parent(parent_id)
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        """If parent directories are versioned, children must be versioned."""
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        conflicts = []
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        for parent_id, children in by_parent.iteritems():
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            if parent_id is ROOT_PARENT:
 
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            if parent_id == ROOT_PARENT:
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                continue
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            if self.final_file_id(parent_id) is not None:
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                continue
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        """Children must have a directory parent"""
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        conflicts = []
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        for parent_id, children in by_parent.iteritems():
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            if parent_id is ROOT_PARENT:
 
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            if parent_id == ROOT_PARENT:
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                continue
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            no_children = True
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            for child_id in children: