128
128
self.pb = ui_factory.progress_bar()
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129
if isinstance(self.old_format, BzrDirFormat4):
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130
note('starting upgrade from format 4 to 5')
131
133
self._convert_to_weaves()
132
134
if isinstance(self.old_format, BzrDirFormat5):
133
135
note('starting upgrade from format 5 to 6')
134
136
self._convert_to_prefixed()
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139
def _convert_to_prefixed(self):