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Viewing changes to bzrlib/upgrade.py

Fixup pb usage to use nested_progress_bar.

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Lines of Context:
bzrlib/upgrade.py
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        if self.bzrdir.root_transport.is_readonly():
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            raise errors.UpgradeReadonly
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        self.transport = self.bzrdir.root_transport
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        self.convert()
 
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        self.pb = ui.ui_factory.nested_progress_bar()
 
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        try:
 
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            self.convert()
 
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        finally:
 
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            self.pb.finished()
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    def convert(self):
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        self.pb = ui.ui_factory.progress_bar()
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        branch = self.bzrdir.open_branch()
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        if branch.bzrdir.root_transport.base != self.bzrdir.root_transport.base:
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            self.pb.note("This is a checkout. The branch (%s) needs to be "