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Viewing changes to bzrlib/workingtree_3.py

Merge lp:bzr.

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bzrlib/workingtree_3.py
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        try:
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            basis_tree = branch.repository.revision_tree(revision_id)
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            # only set an explicit root id if there is one to set.
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            if basis_tree.inventory.root is not None:
 
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            if basis_tree.get_root_id() is not None:
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                wt.set_root_id(basis_tree.get_root_id())
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            if revision_id == _mod_revision.NULL_REVISION:
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                wt.set_parent_trees([])