~bzr-pqm/bzr/bzr.dev

1080 by Martin Pool
- test tool for converting history to weave files
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# Copyright (C) 2005 Canonical Ltd
1267 by Martin Pool
- notes on conversion of existing history to weaves
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#
1080 by Martin Pool
- test tool for converting history to weave files
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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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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
1267 by Martin Pool
- notes on conversion of existing history to weaves
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#
1080 by Martin Pool
- test tool for converting history to weave files
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
1267 by Martin Pool
- notes on conversion of existing history to weaves
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#
1080 by Martin Pool
- test tool for converting history to weave files
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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1534.4.34 by Robert Collins
Fix remaining uses of deprecated apis within bzrlib.
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"""bzr upgrade logic."""
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# change upgrade from .bzr to create a '.bzr-new', then do a bait and switch.
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1080 by Martin Pool
- test tool for converting history to weave files
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1534.5.7 by Robert Collins
Start factoring out the upgrade policy logic.
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from bzrlib.bzrdir import ConvertBzrDir4To5, ConvertBzrDir5To6, BzrDir, BzrDirFormat4, BzrDirFormat5
1534.4.44 by Robert Collins
Make a new BzrDir format that uses a versioned branch format in a branch/ subdirectory.
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import bzrlib.errors as errors
1534.5.7 by Robert Collins
Start factoring out the upgrade policy logic.
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from bzrlib.transport import get_transport
1534.5.9 by Robert Collins
Advise users running upgrade on a checkout to also run it on the branch.
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import bzrlib.ui as ui
1534.5.6 by Robert Collins
split out converter logic into per-format objects.
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class Convert(object):
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1534.5.13 by Robert Collins
Correct buggy test.
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    def __init__(self, url, format):
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        self.format = format
1534.5.7 by Robert Collins
Start factoring out the upgrade policy logic.
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        self.bzrdir = BzrDir.open_unsupported(url)
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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
1594.1.3 by Robert Collins
Fixup pb usage to use nested_progress_bar.
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        self.pb = ui.ui_factory.nested_progress_bar()
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        try:
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            self.convert()
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        finally:
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            self.pb.finished()
1534.5.6 by Robert Collins
split out converter logic into per-format objects.
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    def convert(self):
1558.7.2 by Aaron Bentley
Upgrade works in repositories
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        try:
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            branch = self.bzrdir.open_branch()
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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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        except errors.NotBranchError:
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            pass
1534.5.16 by Robert Collins
Review feedback.
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        if not self.bzrdir.needs_format_conversion(self.format):
1534.5.10 by Robert Collins
Make upgrade driver unaware of the specific formats in play.
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            raise errors.UpToDateFormat(self.bzrdir._format)
1534.5.16 by Robert Collins
Review feedback.
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        if not self.bzrdir.can_convert_format():
1534.5.6 by Robert Collins
split out converter logic into per-format objects.
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            raise errors.BzrError("cannot upgrade from branch format %s" %
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                           self.bzrdir._format)
1534.5.7 by Robert Collins
Start factoring out the upgrade policy logic.
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        self.pb.note('starting upgrade of %s', self.transport.base)
1534.5.6 by Robert Collins
split out converter logic into per-format objects.
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        self._backup_control_dir()
1534.5.16 by Robert Collins
Review feedback.
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        while self.bzrdir.needs_format_conversion(self.format):
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            converter = self.bzrdir._format.get_converter(self.format)
1534.5.10 by Robert Collins
Make upgrade driver unaware of the specific formats in play.
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            self.bzrdir = converter.convert(self.bzrdir, self.pb)
1534.5.6 by Robert Collins
split out converter logic into per-format objects.
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        self.pb.note("finished")
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    def _backup_control_dir(self):
1534.5.7 by Robert Collins
Start factoring out the upgrade policy logic.
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        self.pb.note('making backup of tree history')
1534.5.6 by Robert Collins
split out converter logic into per-format objects.
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        self.transport.copy_tree('.bzr', '.bzr.backup')
1534.5.7 by Robert Collins
Start factoring out the upgrade policy logic.
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        self.pb.note('%s.bzr has been backed up to %s.bzr.backup',
1534.5.6 by Robert Collins
split out converter logic into per-format objects.
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             self.transport.base,
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             self.transport.base)
1534.5.7 by Robert Collins
Start factoring out the upgrade policy logic.
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        self.pb.note('if conversion fails, you can move this directory back to .bzr')
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        self.pb.note('if it succeeds, you can remove this directory if you wish')
1534.5.6 by Robert Collins
split out converter logic into per-format objects.
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1534.5.13 by Robert Collins
Correct buggy test.
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def upgrade(url, format=None):
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    """Upgrade to format, or the default bzrdir format if not supplied."""
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    Convert(url, format)