13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17
17
"""bzr upgrade logic."""
20
from bzrlib.bzrdir import BzrDir, BzrDirFormat, format_registry
19
# change upgrade from .bzr to create a '.bzr-new', then do a bait and switch.
22
from bzrlib.bzrdir import ConvertBzrDir4To5, ConvertBzrDir5To6, BzrDir, BzrDirFormat4, BzrDirFormat5
21
23
import bzrlib.errors as errors
22
from bzrlib.remote import RemoteBzrDir
23
24
from bzrlib.transport import get_transport
24
25
import bzrlib.ui as ui
27
28
class Convert(object):
29
def __init__(self, url, format=None):
30
def __init__(self, url, format):
30
31
self.format = format
31
32
self.bzrdir = BzrDir.open_unsupported(url)
32
if isinstance(self.bzrdir, RemoteBzrDir):
33
self.bzrdir._ensure_real()
34
self.bzrdir = self.bzrdir._real_bzrdir
35
33
if self.bzrdir.root_transport.is_readonly():
36
34
raise errors.UpgradeReadonly
37
35
self.transport = self.bzrdir.root_transport
36
self.pb = ui.ui_factory.nested_progress_bar()
42
44
branch = self.bzrdir.open_branch()
43
45
if branch.bzrdir.root_transport.base != \
44
46
self.bzrdir.root_transport.base:
45
ui.ui_factory.note("This is a checkout. The branch (%s) needs to be "
46
"upgraded separately." %
47
self.pb.note("This is a checkout. The branch (%s) needs to be "
48
"upgraded separately.",
47
49
branch.bzrdir.root_transport.base)
49
except (errors.NotBranchError, errors.IncompatibleRepositories):
50
# might not be a format we can open without upgrading; see e.g.
51
# https://bugs.launchpad.net/bzr/+bug/253891
50
except errors.NotBranchError:
53
if self.format is None:
55
rich_root = self.bzrdir.find_repository()._format.rich_root_data
56
except errors.NoRepositoryPresent:
57
rich_root = False # assume no rich roots
59
format_name = "default-rich-root"
61
format_name = "default"
62
format = format_registry.make_bzrdir(format_name)
65
if not self.bzrdir.needs_format_conversion(format):
52
if not self.bzrdir.needs_format_conversion(self.format):
66
53
raise errors.UpToDateFormat(self.bzrdir._format)
67
54
if not self.bzrdir.can_convert_format():
68
raise errors.BzrError("cannot upgrade from bzrdir format %s" %
55
raise errors.BzrError("cannot upgrade from branch format %s" %
69
56
self.bzrdir._format)
70
self.bzrdir.check_conversion_target(format)
71
ui.ui_factory.note('starting upgrade of %s' % self.transport.base)
73
self.bzrdir.backup_bzrdir()
74
while self.bzrdir.needs_format_conversion(format):
75
converter = self.bzrdir._format.get_converter(format)
76
self.bzrdir = converter.convert(self.bzrdir, None)
77
ui.ui_factory.note("finished")
57
self.pb.note('starting upgrade of %s', self.transport.base)
58
self._backup_control_dir()
59
while self.bzrdir.needs_format_conversion(self.format):
60
converter = self.bzrdir._format.get_converter(self.format)
61
self.bzrdir = converter.convert(self.bzrdir, self.pb)
62
self.pb.note("finished")
64
def _backup_control_dir(self):
65
self.pb.note('making backup of tree history')
66
self.transport.copy_tree('.bzr', '.bzr.backup')
67
self.pb.note('%s.bzr has been backed up to %s.bzr.backup',
70
self.pb.note('if conversion fails, you can move this directory back to .bzr')
71
self.pb.note('if it succeeds, you can remove this directory if you wish')
80
73
def upgrade(url, format=None):
81
74
"""Upgrade to format, or the default bzrdir format if not supplied."""