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Viewing changes to bzrlib/reconfigure.py

Prevent losing data when reconfiguring to lightweight checkout
        (abentley)

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bzrlib/reconfigure.py
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            changes = self.tree.changes_from(self.tree.basis_tree())
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            if changes.has_changed():
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                raise errors.UncommittedChanges(self.tree)
 
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        if self._create_reference and self.local_branch is not None:
 
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            reference_branch = branch.Branch.open(self._select_bind_location())
 
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            if (reference_branch.last_revision() !=
 
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                self.local_branch.last_revision()):
 
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                raise errors.UnsyncedBranches(self.bzrdir, reference_branch)
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    def _select_bind_location(self):
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        """Select a location to bind or create a reference to.