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bzrlib/upgrade.py
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# Copyright (C) 2005, 2006, 2008, 2009, 2010 Canonical Ltd
 
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# Copyright (C) 2005, 2008, 2009, 2010 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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"""bzr upgrade logic."""
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from bzrlib.bzrdir import BzrDir, format_registry
 
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from bzrlib.bzrdir import BzrDir, BzrDirFormat, format_registry
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import bzrlib.errors as errors
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from bzrlib.remote import RemoteBzrDir
 
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from bzrlib.transport import get_transport
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import bzrlib.ui as ui
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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.pb = ui.ui_factory.nested_progress_bar()
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        ui.ui_factory.suppressed_warnings.add(warning_id)
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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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            if not saved_warning:
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                ui.ui_factory.suppressed_warnings.remove(warning_id)
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    def convert(self):
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        try:
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            branch = self.bzrdir.open_branch()
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            if branch.user_url != self.bzrdir.user_url:
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                ui.ui_factory.note("This is a checkout. The branch (%s) needs to be "
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                             "upgraded separately." %
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                             branch.user_url)
 
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            if branch.bzrdir.root_transport.base != \
 
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                self.bzrdir.root_transport.base:
 
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                self.pb.note("This is a checkout. The branch (%s) needs to be "
 
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                             "upgraded separately.",
 
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                             branch.bzrdir.root_transport.base)
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            del branch
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        except (errors.NotBranchError, errors.IncompatibleRepositories):
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            # might not be a format we can open without upgrading; see e.g.
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            raise errors.BzrError("cannot upgrade from bzrdir format %s" %
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                           self.bzrdir._format)
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        self.bzrdir.check_conversion_target(format)
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        ui.ui_factory.note('starting upgrade of %s' % self.transport.base)
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        self.pb.note('starting upgrade of %s', self.transport.base)
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        self.bzrdir.backup_bzrdir()
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        while self.bzrdir.needs_format_conversion(format):
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            converter = self.bzrdir._format.get_converter(format)
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            self.bzrdir = converter.convert(self.bzrdir, None)
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        ui.ui_factory.note("finished")
 
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            self.bzrdir = converter.convert(self.bzrdir, self.pb)
 
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        self.pb.note("finished")
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def upgrade(url, format=None):