# Copyright (C) 2005, 2006, 2008, 2009, 2010 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""bzr upgrade logic."""
from bzrlib.bzrdir import BzrDir,format_registry
import bzrlib.errors as errors
from bzrlib.remote import RemoteBzrDir
import bzrlib.ui as ui
class Convert(object):
def __init__(self, url, format=None):
self.format = format
self.bzrdir = BzrDir.open_unsupported(url)
# XXX: Change to cleanup
warning_id = 'cross_format_fetch'
saved_warning = warning_id in ui.ui_factory.suppressed_warnings
if isinstance(self.bzrdir, RemoteBzrDir):
self.bzrdir._ensure_real()
self.bzrdir = self.bzrdir._real_bzrdir
if self.bzrdir.root_transport.is_readonly():
raise errors.UpgradeReadonly
self.transport = self.bzrdir.root_transport
ui.ui_factory.suppressed_warnings.add(warning_id)
try:
self.convert()
finally:
if not saved_warning:
ui.ui_factory.suppressed_warnings.remove(warning_id)
def convert(self):
try:
branch = self.bzrdir.open_branch()
if branch.user_url != self.bzrdir.user_url:
ui.ui_factory.note("This is a checkout. The branch (%s) needs to be "
"upgraded separately." %
branch.user_url)
del branch
except (errors.NotBranchError, errors.IncompatibleRepositories):
# might not be a format we can open without upgrading; see e.g.
# https://bugs.launchpad.net/bzr/+bug/253891
pass
if self.format is None:
try:
rich_root = self.bzrdir.find_repository()._format.rich_root_data
except errors.NoRepositoryPresent:
rich_root = False # assume no rich roots
if rich_root:
format_name = "default-rich-root"
else:
format_name = "default"
format = format_registry.make_bzrdir(format_name)
else:
format = self.format
if not self.bzrdir.needs_format_conversion(format):
raise errors.UpToDateFormat(self.bzrdir._format)
if not self.bzrdir.can_convert_format():
raise errors.BzrError("cannot upgrade from bzrdir format %s" %
self.bzrdir._format)
self.bzrdir.check_conversion_target(format)
ui.ui_factory.note('starting upgrade of %s' % self.transport.base)
self.bzrdir.backup_bzrdir()
while self.bzrdir.needs_format_conversion(format):
converter = self.bzrdir._format.get_converter(format)
self.bzrdir = converter.convert(self.bzrdir, None)
ui.ui_factory.note("finished")
def upgrade(url, format=None):
"""Upgrade to format, or the default bzrdir format if not supplied."""
Convert(url, format)
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