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# Copyright (C) 2005, 2006 Canonical Ltd
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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.
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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.
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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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"""BzrDir logic. The BzrDir is the basic control directory used by bzr.
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At format 7 this was split out into Branch, Repository and Checkout control
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from copy import deepcopy
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from cStringIO import StringIO
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from unittest import TestSuite
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import bzrlib.errors as errors
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from bzrlib.lockable_files import LockableFiles, TransportLock
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from bzrlib.lockdir import LockDir
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from bzrlib.osutils import safe_unicode
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from bzrlib.osutils import (
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from bzrlib.store.revision.text import TextRevisionStore
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from bzrlib.store.text import TextStore
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from bzrlib.store.versioned import WeaveStore
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from bzrlib.symbol_versioning import *
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from bzrlib.trace import mutter
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from bzrlib.transactions import WriteTransaction
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from bzrlib.transport import get_transport, urlunescape
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from bzrlib.transport.local import LocalTransport
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from bzrlib.weave import Weave
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from bzrlib.xml4 import serializer_v4
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from bzrlib.xml5 import serializer_v5
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"""A .bzr control diretory.
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BzrDir instances let you create or open any of the things that can be
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found within .bzr - checkouts, branches and repositories.
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the transport which this bzr dir is rooted at (i.e. file:///.../.bzr/)
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a transport connected to the directory this bzr was opened from.
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def can_convert_format(self):
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"""Return true if this bzrdir is one whose format we can convert from."""
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def _check_supported(format, allow_unsupported):
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"""Check whether format is a supported format.
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If allow_unsupported is True, this is a no-op.
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if not allow_unsupported and not format.is_supported():
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# see open_downlevel to open legacy branches.
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raise errors.UnsupportedFormatError(
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'sorry, format %s not supported' % format,
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['use a different bzr version',
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'or remove the .bzr directory'
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' and "bzr init" again'])
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def clone(self, url, revision_id=None, basis=None, force_new_repo=False):
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"""Clone this bzrdir and its contents to url verbatim.
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If urls last component does not exist, it will be created.
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if revision_id is not None, then the clone operation may tune
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itself to download less data.
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:param force_new_repo: Do not use a shared repository for the target
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even if one is available.
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basis_repo, basis_branch, basis_tree = self._get_basis_components(basis)
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result = self._format.initialize(url)
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local_repo = self.find_repository()
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except errors.NoRepositoryPresent:
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# may need to copy content in
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local_repo.clone(result, revision_id=revision_id, basis=basis_repo)
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result_repo = result.find_repository()
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# fetch content this dir needs.
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# XXX FIXME RBC 20060214 need tests for this when the basis
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result_repo.fetch(basis_repo, revision_id=revision_id)
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result_repo.fetch(local_repo, revision_id=revision_id)
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except errors.NoRepositoryPresent:
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# needed to make one anyway.
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local_repo.clone(result, revision_id=revision_id, basis=basis_repo)
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# 1 if there is a branch present
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# make sure its content is available in the target repository
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self.open_branch().clone(result, revision_id=revision_id)
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except errors.NotBranchError:
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self.open_workingtree().clone(result, basis=basis_tree)
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except (errors.NoWorkingTree, errors.NotLocalUrl):
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def _get_basis_components(self, basis):
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"""Retrieve the basis components that are available at basis."""
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return None, None, None
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basis_tree = basis.open_workingtree()
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basis_branch = basis_tree.branch
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basis_repo = basis_branch.repository
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except (errors.NoWorkingTree, errors.NotLocalUrl):
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basis_branch = basis.open_branch()
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basis_repo = basis_branch.repository
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except errors.NotBranchError:
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basis_repo = basis.open_repository()
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except errors.NoRepositoryPresent:
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return basis_repo, basis_branch, basis_tree
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def _make_tail(self, url):
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segments = url.split('/')
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if segments and segments[-1] not in ('', '.'):
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parent = '/'.join(segments[:-1])
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t = bzrlib.transport.get_transport(parent)
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t.mkdir(segments[-1])
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except errors.FileExists:
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def create(cls, base):
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"""Create a new BzrDir at the url 'base'.
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This will call the current default formats initialize with base
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as the only parameter.
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If you need a specific format, consider creating an instance
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of that and calling initialize().
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if cls is not BzrDir:
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raise AssertionError("BzrDir.create always creates the default format, "
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"not one of %r" % cls)
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segments = base.split('/')
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if segments and segments[-1] not in ('', '.'):
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parent = '/'.join(segments[:-1])
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t = bzrlib.transport.get_transport(parent)
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t.mkdir(segments[-1])
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except errors.FileExists:
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return BzrDirFormat.get_default_format().initialize(safe_unicode(base))
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def create_branch(self):
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"""Create a branch in this BzrDir.
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The bzrdirs format will control what branch format is created.
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For more control see BranchFormatXX.create(a_bzrdir).
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raise NotImplementedError(self.create_branch)
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def create_branch_and_repo(base, force_new_repo=False):
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"""Create a new BzrDir, Branch and Repository at the url 'base'.
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This will use the current default BzrDirFormat, and use whatever
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repository format that that uses via bzrdir.create_branch and
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create_repository. If a shared repository is available that is used
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The created Branch object is returned.
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:param base: The URL to create the branch at.
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:param force_new_repo: If True a new repository is always created.
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bzrdir = BzrDir.create(base)
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bzrdir._find_or_create_repository(force_new_repo)
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return bzrdir.create_branch()
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def _find_or_create_repository(self, force_new_repo):
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"""Create a new repository if needed, returning the repository."""
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return self.create_repository()
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return self.find_repository()
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except errors.NoRepositoryPresent:
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return self.create_repository()
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def create_branch_convenience(base, force_new_repo=False, force_new_tree=None):
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"""Create a new BzrDir, Branch and Repository at the url 'base'.
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This is a convenience function - it will use an existing repository
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if possible, can be told explicitly whether to create a working tree or
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This will use the current default BzrDirFormat, and use whatever
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repository format that that uses via bzrdir.create_branch and
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create_repository. If a shared repository is available that is used
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preferentially. Whatever repository is used, its tree creation policy
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The created Branch object is returned.
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If a working tree cannot be made due to base not being a file:// url,
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no error is raised unless force_new_tree is True, in which case no
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data is created on disk and NotLocalUrl is raised.
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:param base: The URL to create the branch at.
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:param force_new_repo: If True a new repository is always created.
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:param force_new_tree: If True or False force creation of a tree or
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prevent such creation respectively.
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# check for non local urls
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t = get_transport(safe_unicode(base))
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if not isinstance(t, LocalTransport):
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raise errors.NotLocalUrl(base)
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bzrdir = BzrDir.create(base)
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repo = bzrdir._find_or_create_repository(force_new_repo)
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result = bzrdir.create_branch()
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if force_new_tree or (repo.make_working_trees() and
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force_new_tree is None):
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bzrdir.create_workingtree()
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except errors.NotLocalUrl:
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def create_repository(base, shared=False):
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"""Create a new BzrDir and Repository at the url 'base'.
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This will use the current default BzrDirFormat, and use whatever
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repository format that that uses for bzrdirformat.create_repository.
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;param shared: Create a shared repository rather than a standalone
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The Repository object is returned.
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This must be overridden as an instance method in child classes, where
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it should take no parameters and construct whatever repository format
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that child class desires.
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bzrdir = BzrDir.create(base)
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return bzrdir.create_repository()
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def create_standalone_workingtree(base):
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"""Create a new BzrDir, WorkingTree, Branch and Repository at 'base'.
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'base' must be a local path or a file:// url.
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This will use the current default BzrDirFormat, and use whatever
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repository format that that uses for bzrdirformat.create_workingtree,
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create_branch and create_repository.
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The WorkingTree object is returned.
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t = get_transport(safe_unicode(base))
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if not isinstance(t, LocalTransport):
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raise errors.NotLocalUrl(base)
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bzrdir = BzrDir.create_branch_and_repo(safe_unicode(base),
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force_new_repo=True).bzrdir
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return bzrdir.create_workingtree()
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def create_workingtree(self, revision_id=None):
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"""Create a working tree at this BzrDir.
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revision_id: create it as of this revision id.
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raise NotImplementedError(self.create_workingtree)
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def find_repository(self):
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"""Find the repository that should be used for a_bzrdir.
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This does not require a branch as we use it to find the repo for
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new branches as well as to hook existing branches up to their
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return self.open_repository()
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except errors.NoRepositoryPresent:
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next_transport = self.root_transport.clone('..')
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found_bzrdir = BzrDir.open_containing_from_transport(
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except errors.NotBranchError:
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raise errors.NoRepositoryPresent(self)
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repository = found_bzrdir.open_repository()
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except errors.NoRepositoryPresent:
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next_transport = found_bzrdir.root_transport.clone('..')
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if ((found_bzrdir.root_transport.base ==
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self.root_transport.base) or repository.is_shared()):
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raise errors.NoRepositoryPresent(self)
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raise errors.NoRepositoryPresent(self)
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def get_branch_transport(self, branch_format):
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"""Get the transport for use by branch format in this BzrDir.
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Note that bzr dirs that do not support format strings will raise
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IncompatibleFormat if the branch format they are given has
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a format string, and vice verca.
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If branch_format is None, the transport is returned with no
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checking. if it is not None, then the returned transport is
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guaranteed to point to an existing directory ready for use.
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raise NotImplementedError(self.get_branch_transport)
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def get_repository_transport(self, repository_format):
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"""Get the transport for use by repository format in this BzrDir.
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Note that bzr dirs that do not support format strings will raise
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IncompatibleFormat if the repository format they are given has
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a format string, and vice verca.
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If repository_format is None, the transport is returned with no
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checking. if it is not None, then the returned transport is
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guaranteed to point to an existing directory ready for use.
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raise NotImplementedError(self.get_repository_transport)
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def get_workingtree_transport(self, tree_format):
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"""Get the transport for use by workingtree format in this BzrDir.
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Note that bzr dirs that do not support format strings will raise
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IncompatibleFormat if the workingtree format they are given has
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a format string, and vice verca.
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If workingtree_format is None, the transport is returned with no
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checking. if it is not None, then the returned transport is
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guaranteed to point to an existing directory ready for use.
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raise NotImplementedError(self.get_workingtree_transport)
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def __init__(self, _transport, _format):
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"""Initialize a Bzr control dir object.
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Only really common logic should reside here, concrete classes should be
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made with varying behaviours.
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:param _format: the format that is creating this BzrDir instance.
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:param _transport: the transport this dir is based at.
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self._format = _format
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self.transport = _transport.clone('.bzr')
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self.root_transport = _transport
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def needs_format_conversion(self, format=None):
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"""Return true if this bzrdir needs convert_format run on it.
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For instance, if the repository format is out of date but the
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branch and working tree are not, this should return True.
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:param format: Optional parameter indicating a specific desired
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format we plan to arrive at.
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raise NotImplementedError(self.needs_format_conversion)
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def open_unsupported(base):
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"""Open a branch which is not supported."""
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return BzrDir.open(base, _unsupported=True)
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def open(base, _unsupported=False):
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"""Open an existing bzrdir, rooted at 'base' (url)
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_unsupported is a private parameter to the BzrDir class.
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t = get_transport(base)
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mutter("trying to open %r with transport %r", base, t)
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format = BzrDirFormat.find_format(t)
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BzrDir._check_supported(format, _unsupported)
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return format.open(t, _found=True)
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def open_branch(self, unsupported=False):
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"""Open the branch object at this BzrDir if one is present.
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If unsupported is True, then no longer supported branch formats can
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TODO: static convenience version of this?
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raise NotImplementedError(self.open_branch)
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def open_containing(url):
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"""Open an existing branch which contains url.
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:param url: url to search from.
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See open_containing_from_transport for more detail.
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return BzrDir.open_containing_from_transport(get_transport(url))
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def open_containing_from_transport(a_transport):
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"""Open an existing branch which contains a_transport.base
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This probes for a branch at a_transport, and searches upwards from there.
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Basically we keep looking up until we find the control directory or
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run into the root. If there isn't one, raises NotBranchError.
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If there is one and it is either an unrecognised format or an unsupported
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format, UnknownFormatError or UnsupportedFormatError are raised.
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If there is one, it is returned, along with the unused portion of url.
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# this gets the normalised url back. I.e. '.' -> the full path.
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url = a_transport.base
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format = BzrDirFormat.find_format(a_transport)
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BzrDir._check_supported(format, False)
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return format.open(a_transport), a_transport.relpath(url)
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except errors.NotBranchError, e:
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mutter('not a branch in: %r %s', a_transport.base, e)
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new_t = a_transport.clone('..')
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if new_t.base == a_transport.base:
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# reached the root, whatever that may be
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raise errors.NotBranchError(path=url)
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def open_repository(self, _unsupported=False):
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"""Open the repository object at this BzrDir if one is present.
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This will not follow the Branch object pointer - its strictly a direct
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open facility. Most client code should use open_branch().repository to
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_unsupported is a private parameter, not part of the api.
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TODO: static convenience version of this?
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raise NotImplementedError(self.open_repository)
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def open_workingtree(self, _unsupported=False):
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"""Open the workingtree object at this BzrDir if one is present.
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TODO: static convenience version of this?
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raise NotImplementedError(self.open_workingtree)
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def sprout(self, url, revision_id=None, basis=None, force_new_repo=False):
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"""Create a copy of this bzrdir prepared for use as a new line of
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If urls last component does not exist, it will be created.
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Attributes related to the identity of the source branch like
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branch nickname will be cleaned, a working tree is created
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whether one existed before or not; and a local branch is always
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if revision_id is not None, then the clone operation may tune
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itself to download less data.
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result = self._format.initialize(url)
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basis_repo, basis_branch, basis_tree = self._get_basis_components(basis)
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source_branch = self.open_branch()
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source_repository = source_branch.repository
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except errors.NotBranchError:
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source_repository = self.open_repository()
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except errors.NoRepositoryPresent:
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# copy the entire basis one if there is one
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# but there is no repository.
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source_repository = basis_repo
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result_repo = result.find_repository()
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except errors.NoRepositoryPresent:
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if source_repository is None and result_repo is not None:
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elif source_repository is None and result_repo is None:
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# no repo available, make a new one
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result.create_repository()
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elif source_repository is not None and result_repo is None:
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# have soure, and want to make a new target repo
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source_repository.clone(result,
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revision_id=revision_id,
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# fetch needed content into target.
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# XXX FIXME RBC 20060214 need tests for this when the basis
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result_repo.fetch(basis_repo, revision_id=revision_id)
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result_repo.fetch(source_repository, revision_id=revision_id)
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if source_branch is not None:
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source_branch.sprout(result, revision_id=revision_id)
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result.create_branch()
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result.create_workingtree()
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class BzrDirPreSplitOut(BzrDir):
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"""A common class for the all-in-one formats."""
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def __init__(self, _transport, _format):
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"""See BzrDir.__init__."""
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super(BzrDirPreSplitOut, self).__init__(_transport, _format)
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assert self._format._lock_class == TransportLock
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assert self._format._lock_file_name == 'branch-lock'
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self._control_files = LockableFiles(self.get_branch_transport(None),
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self._format._lock_file_name,
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self._format._lock_class)
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def clone(self, url, revision_id=None, basis=None, force_new_repo=False):
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"""See BzrDir.clone()."""
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from bzrlib.workingtree import WorkingTreeFormat2
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result = self._format.initialize(url, _cloning=True)
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basis_repo, basis_branch, basis_tree = self._get_basis_components(basis)
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self.open_repository().clone(result, revision_id=revision_id, basis=basis_repo)
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self.open_branch().clone(result, revision_id=revision_id)
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self.open_workingtree().clone(result, basis=basis_tree)
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except errors.NotLocalUrl:
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# make a new one, this format always has to have one.
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WorkingTreeFormat2().initialize(result)
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except errors.NotLocalUrl:
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# but we canot do it for remote trees.
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def create_branch(self):
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"""See BzrDir.create_branch."""
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return self.open_branch()
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def create_repository(self, shared=False):
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"""See BzrDir.create_repository."""
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raise errors.IncompatibleFormat('shared repository', self._format)
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return self.open_repository()
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def create_workingtree(self, revision_id=None):
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"""See BzrDir.create_workingtree."""
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# this looks buggy but is not -really-
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# clone and sprout will have set the revision_id
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# and that will have set it for us, its only
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# specific uses of create_workingtree in isolation
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# that can do wonky stuff here, and that only
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# happens for creating checkouts, which cannot be
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# done on this format anyway. So - acceptable wart.
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result = self.open_workingtree()
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if revision_id is not None:
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result.set_last_revision(revision_id)
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def get_branch_transport(self, branch_format):
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"""See BzrDir.get_branch_transport()."""
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if branch_format is None:
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return self.transport
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branch_format.get_format_string()
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except NotImplementedError:
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return self.transport
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raise errors.IncompatibleFormat(branch_format, self._format)
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def get_repository_transport(self, repository_format):
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"""See BzrDir.get_repository_transport()."""
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if repository_format is None:
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return self.transport
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repository_format.get_format_string()
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except NotImplementedError:
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return self.transport
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raise errors.IncompatibleFormat(repository_format, self._format)
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def get_workingtree_transport(self, workingtree_format):
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"""See BzrDir.get_workingtree_transport()."""
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if workingtree_format is None:
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return self.transport
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workingtree_format.get_format_string()
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except NotImplementedError:
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return self.transport
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raise errors.IncompatibleFormat(workingtree_format, self._format)
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def needs_format_conversion(self, format=None):
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"""See BzrDir.needs_format_conversion()."""
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# if the format is not the same as the system default,
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# an upgrade is needed.
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format = BzrDirFormat.get_default_format()
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return not isinstance(self._format, format.__class__)
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def open_branch(self, unsupported=False):
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"""See BzrDir.open_branch."""
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from bzrlib.branch import BzrBranchFormat4
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format = BzrBranchFormat4()
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self._check_supported(format, unsupported)
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return format.open(self, _found=True)
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def sprout(self, url, revision_id=None, basis=None):
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"""See BzrDir.sprout()."""
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from bzrlib.workingtree import WorkingTreeFormat2
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result = self._format.initialize(url, _cloning=True)
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basis_repo, basis_branch, basis_tree = self._get_basis_components(basis)
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self.open_repository().clone(result, revision_id=revision_id, basis=basis_repo)
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except errors.NoRepositoryPresent:
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self.open_branch().sprout(result, revision_id=revision_id)
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except errors.NotBranchError:
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# we always want a working tree
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WorkingTreeFormat2().initialize(result)
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class BzrDir4(BzrDirPreSplitOut):
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"""A .bzr version 4 control object.
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This is a deprecated format and may be removed after sept 2006.
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def create_repository(self, shared=False):
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"""See BzrDir.create_repository."""
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return self._format.repository_format.initialize(self, shared)
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def needs_format_conversion(self, format=None):
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"""Format 4 dirs are always in need of conversion."""
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def open_repository(self):
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"""See BzrDir.open_repository."""
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from bzrlib.repository import RepositoryFormat4
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return RepositoryFormat4().open(self, _found=True)
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class BzrDir5(BzrDirPreSplitOut):
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"""A .bzr version 5 control object.
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This is a deprecated format and may be removed after sept 2006.
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def open_repository(self):
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"""See BzrDir.open_repository."""
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from bzrlib.repository import RepositoryFormat5
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return RepositoryFormat5().open(self, _found=True)
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def open_workingtree(self, _unsupported=False):
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"""See BzrDir.create_workingtree."""
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from bzrlib.workingtree import WorkingTreeFormat2
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return WorkingTreeFormat2().open(self, _found=True)
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class BzrDir6(BzrDirPreSplitOut):
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"""A .bzr version 6 control object.
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This is a deprecated format and may be removed after sept 2006.
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def open_repository(self):
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"""See BzrDir.open_repository."""
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from bzrlib.repository import RepositoryFormat6
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return RepositoryFormat6().open(self, _found=True)
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def open_workingtree(self, _unsupported=False):
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"""See BzrDir.create_workingtree."""
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from bzrlib.workingtree import WorkingTreeFormat2
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return WorkingTreeFormat2().open(self, _found=True)
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class BzrDirMeta1(BzrDir):
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"""A .bzr meta version 1 control object.
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This is the first control object where the
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individual aspects are really split out: there are separate repository,
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workingtree and branch subdirectories and any subset of the three can be
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present within a BzrDir.
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def can_convert_format(self):
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"""See BzrDir.can_convert_format()."""
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def create_branch(self):
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"""See BzrDir.create_branch."""
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from bzrlib.branch import BranchFormat
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return BranchFormat.get_default_format().initialize(self)
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def create_repository(self, shared=False):
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"""See BzrDir.create_repository."""
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return self._format.repository_format.initialize(self, shared)
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def create_workingtree(self, revision_id=None):
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"""See BzrDir.create_workingtree."""
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from bzrlib.workingtree import WorkingTreeFormat
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return WorkingTreeFormat.get_default_format().initialize(self, revision_id)
737
def get_branch_transport(self, branch_format):
738
"""See BzrDir.get_branch_transport()."""
739
if branch_format is None:
740
return self.transport.clone('branch')
742
branch_format.get_format_string()
743
except NotImplementedError:
744
raise errors.IncompatibleFormat(branch_format, self._format)
746
self.transport.mkdir('branch')
747
except errors.FileExists:
749
return self.transport.clone('branch')
751
def get_repository_transport(self, repository_format):
752
"""See BzrDir.get_repository_transport()."""
753
if repository_format is None:
754
return self.transport.clone('repository')
756
repository_format.get_format_string()
757
except NotImplementedError:
758
raise errors.IncompatibleFormat(repository_format, self._format)
760
self.transport.mkdir('repository')
761
except errors.FileExists:
763
return self.transport.clone('repository')
765
def get_workingtree_transport(self, workingtree_format):
766
"""See BzrDir.get_workingtree_transport()."""
767
if workingtree_format is None:
768
return self.transport.clone('checkout')
770
workingtree_format.get_format_string()
771
except NotImplementedError:
772
raise errors.IncompatibleFormat(workingtree_format, self._format)
774
self.transport.mkdir('checkout')
775
except errors.FileExists:
777
return self.transport.clone('checkout')
779
def needs_format_conversion(self, format=None):
780
"""See BzrDir.needs_format_conversion()."""
782
format = BzrDirFormat.get_default_format()
783
if not isinstance(self._format, format.__class__):
784
# it is not a meta dir format, conversion is needed.
786
# we might want to push this down to the repository?
788
if not isinstance(self.open_repository()._format,
789
format.repository_format.__class__):
790
# the repository needs an upgrade.
792
except errors.NoRepositoryPresent:
794
# currently there are no other possible conversions for meta1 formats.
797
def open_branch(self, unsupported=False):
798
"""See BzrDir.open_branch."""
799
from bzrlib.branch import BranchFormat
800
format = BranchFormat.find_format(self)
801
self._check_supported(format, unsupported)
802
return format.open(self, _found=True)
804
def open_repository(self, unsupported=False):
805
"""See BzrDir.open_repository."""
806
from bzrlib.repository import RepositoryFormat
807
format = RepositoryFormat.find_format(self)
808
self._check_supported(format, unsupported)
809
return format.open(self, _found=True)
811
def open_workingtree(self, unsupported=False):
812
"""See BzrDir.open_workingtree."""
813
from bzrlib.workingtree import WorkingTreeFormat
814
format = WorkingTreeFormat.find_format(self)
815
self._check_supported(format, unsupported)
816
return format.open(self, _found=True)
819
class BzrDirFormat(object):
820
"""An encapsulation of the initialization and open routines for a format.
822
Formats provide three things:
823
* An initialization routine,
827
Formats are placed in an dict by their format string for reference
828
during bzrdir opening. These should be subclasses of BzrDirFormat
831
Once a format is deprecated, just deprecate the initialize and open
832
methods on the format class. Do not deprecate the object, as the
833
object will be created every system load.
836
_default_format = None
837
"""The default format used for new .bzr dirs."""
840
"""The known formats."""
842
_lock_file_name = 'branch-lock'
844
# _lock_class must be set in subclasses to the lock type, typ.
845
# TransportLock or LockDir
848
def find_format(klass, transport):
849
"""Return the format registered for URL."""
851
format_string = transport.get(".bzr/branch-format").read()
852
return klass._formats[format_string]
853
except errors.NoSuchFile:
854
raise errors.NotBranchError(path=transport.base)
856
raise errors.UnknownFormatError(format_string)
859
def get_default_format(klass):
860
"""Return the current default format."""
861
return klass._default_format
863
def get_format_string(self):
864
"""Return the ASCII format string that identifies this format."""
865
raise NotImplementedError(self.get_format_string)
867
def get_converter(self, format=None):
868
"""Return the converter to use to convert bzrdirs needing converts.
870
This returns a bzrlib.bzrdir.Converter object.
872
This should return the best upgrader to step this format towards the
873
current default format. In the case of plugins we can/shouold provide
874
some means for them to extend the range of returnable converters.
876
:param format: Optional format to override the default foramt of the
879
raise NotImplementedError(self.get_converter)
881
def initialize(self, url):
882
"""Create a bzr control dir at this url and return an opened copy."""
883
# Since we don't have a .bzr directory, inherit the
884
# mode from the root directory
885
t = get_transport(url)
886
temp_control = LockableFiles(t, '', TransportLock)
887
temp_control._transport.mkdir('.bzr',
888
# FIXME: RBC 20060121 dont peek under
890
mode=temp_control._dir_mode)
891
file_mode = temp_control._file_mode
893
mutter('created control directory in ' + t.base)
894
control = t.clone('.bzr')
895
utf8_files = [('README',
896
"This is a Bazaar-NG control directory.\n"
897
"Do not change any files in this directory.\n"),
898
('branch-format', self.get_format_string()),
900
# NB: no need to escape relative paths that are url safe.
901
control_files = LockableFiles(control, self._lock_file_name, self._lock_class)
902
control_files.create_lock()
903
control_files.lock_write()
905
for file, content in utf8_files:
906
control_files.put_utf8(file, content)
908
control_files.unlock()
909
return self.open(t, _found=True)
911
def is_supported(self):
912
"""Is this format supported?
914
Supported formats must be initializable and openable.
915
Unsupported formats may not support initialization or committing or
916
some other features depending on the reason for not being supported.
920
def open(self, transport, _found=False):
921
"""Return an instance of this format for the dir transport points at.
923
_found is a private parameter, do not use it.
926
assert isinstance(BzrDirFormat.find_format(transport),
928
return self._open(transport)
930
def _open(self, transport):
931
"""Template method helper for opening BzrDirectories.
933
This performs the actual open and any additional logic or parameter
936
raise NotImplementedError(self._open)
939
def register_format(klass, format):
940
klass._formats[format.get_format_string()] = format
943
def set_default_format(klass, format):
944
klass._default_format = format
947
return self.get_format_string()[:-1]
950
def unregister_format(klass, format):
951
assert klass._formats[format.get_format_string()] is format
952
del klass._formats[format.get_format_string()]
955
class BzrDirFormat4(BzrDirFormat):
958
This format is a combined format for working tree, branch and repository.
960
- Format 1 working trees [always]
961
- Format 4 branches [always]
962
- Format 4 repositories [always]
964
This format is deprecated: it indexes texts using a text it which is
965
removed in format 5; write support for this format has been removed.
968
_lock_class = TransportLock
970
def get_format_string(self):
971
"""See BzrDirFormat.get_format_string()."""
972
return "Bazaar-NG branch, format 0.0.4\n"
974
def get_converter(self, format=None):
975
"""See BzrDirFormat.get_converter()."""
976
# there is one and only one upgrade path here.
977
return ConvertBzrDir4To5()
979
def initialize(self, url):
980
"""Format 4 branches cannot be created."""
981
raise errors.UninitializableFormat(self)
983
def is_supported(self):
984
"""Format 4 is not supported.
986
It is not supported because the model changed from 4 to 5 and the
987
conversion logic is expensive - so doing it on the fly was not
992
def _open(self, transport):
993
"""See BzrDirFormat._open."""
994
return BzrDir4(transport, self)
996
def __return_repository_format(self):
997
"""Circular import protection."""
998
from bzrlib.repository import RepositoryFormat4
999
return RepositoryFormat4(self)
1000
repository_format = property(__return_repository_format)
1003
class BzrDirFormat5(BzrDirFormat):
1004
"""Bzr control format 5.
1006
This format is a combined format for working tree, branch and repository.
1008
- Format 2 working trees [always]
1009
- Format 4 branches [always]
1010
- Format 5 repositories [always]
1011
Unhashed stores in the repository.
1014
_lock_class = TransportLock
1016
def get_format_string(self):
1017
"""See BzrDirFormat.get_format_string()."""
1018
return "Bazaar-NG branch, format 5\n"
1020
def get_converter(self, format=None):
1021
"""See BzrDirFormat.get_converter()."""
1022
# there is one and only one upgrade path here.
1023
return ConvertBzrDir5To6()
1025
def initialize(self, url, _cloning=False):
1026
"""Format 5 dirs always have working tree, branch and repository.
1028
Except when they are being cloned.
1030
from bzrlib.branch import BzrBranchFormat4
1031
from bzrlib.repository import RepositoryFormat5
1032
from bzrlib.workingtree import WorkingTreeFormat2
1033
result = super(BzrDirFormat5, self).initialize(url)
1034
RepositoryFormat5().initialize(result, _internal=True)
1036
BzrBranchFormat4().initialize(result)
1037
WorkingTreeFormat2().initialize(result)
1040
def _open(self, transport):
1041
"""See BzrDirFormat._open."""
1042
return BzrDir5(transport, self)
1044
def __return_repository_format(self):
1045
"""Circular import protection."""
1046
from bzrlib.repository import RepositoryFormat5
1047
return RepositoryFormat5(self)
1048
repository_format = property(__return_repository_format)
1051
class BzrDirFormat6(BzrDirFormat):
1052
"""Bzr control format 6.
1054
This format is a combined format for working tree, branch and repository.
1056
- Format 2 working trees [always]
1057
- Format 4 branches [always]
1058
- Format 6 repositories [always]
1061
_lock_class = TransportLock
1063
def get_format_string(self):
1064
"""See BzrDirFormat.get_format_string()."""
1065
return "Bazaar-NG branch, format 6\n"
1067
def get_converter(self, format=None):
1068
"""See BzrDirFormat.get_converter()."""
1069
# there is one and only one upgrade path here.
1070
return ConvertBzrDir6ToMeta()
1072
def initialize(self, url, _cloning=False):
1073
"""Format 6 dirs always have working tree, branch and repository.
1075
Except when they are being cloned.
1077
from bzrlib.branch import BzrBranchFormat4
1078
from bzrlib.repository import RepositoryFormat6
1079
from bzrlib.workingtree import WorkingTreeFormat2
1080
result = super(BzrDirFormat6, self).initialize(url)
1081
RepositoryFormat6().initialize(result, _internal=True)
1083
BzrBranchFormat4().initialize(result)
1085
WorkingTreeFormat2().initialize(result)
1086
except errors.NotLocalUrl:
1087
# emulate pre-check behaviour for working tree and silently
1092
def _open(self, transport):
1093
"""See BzrDirFormat._open."""
1094
return BzrDir6(transport, self)
1096
def __return_repository_format(self):
1097
"""Circular import protection."""
1098
from bzrlib.repository import RepositoryFormat6
1099
return RepositoryFormat6(self)
1100
repository_format = property(__return_repository_format)
1103
class BzrDirMetaFormat1(BzrDirFormat):
1104
"""Bzr meta control format 1
1106
This is the first format with split out working tree, branch and repository
1109
- Format 3 working trees [optional]
1110
- Format 5 branches [optional]
1111
- Format 7 repositories [optional]
1114
_lock_class = LockDir
1116
def get_converter(self, format=None):
1117
"""See BzrDirFormat.get_converter()."""
1119
format = BzrDirFormat.get_default_format()
1120
if not isinstance(self, format.__class__):
1121
# converting away from metadir is not implemented
1122
raise NotImplementedError(self.get_converter)
1123
return ConvertMetaToMeta(format)
1125
def get_format_string(self):
1126
"""See BzrDirFormat.get_format_string()."""
1127
return "Bazaar-NG meta directory, format 1\n"
1129
def _open(self, transport):
1130
"""See BzrDirFormat._open."""
1131
return BzrDirMeta1(transport, self)
1133
def __return_repository_format(self):
1134
"""Circular import protection."""
1135
if getattr(self, '_repository_format', None):
1136
return self._repository_format
1137
from bzrlib.repository import RepositoryFormat
1138
return RepositoryFormat.get_default_format()
1140
def __set_repository_format(self, value):
1141
"""Allow changint the repository format for metadir formats."""
1142
self._repository_format = value
1144
repository_format = property(__return_repository_format, __set_repository_format)
1147
BzrDirFormat.register_format(BzrDirFormat4())
1148
BzrDirFormat.register_format(BzrDirFormat5())
1149
BzrDirFormat.register_format(BzrDirMetaFormat1())
1150
__default_format = BzrDirFormat6()
1151
BzrDirFormat.register_format(__default_format)
1152
BzrDirFormat.set_default_format(__default_format)
1155
class BzrDirTestProviderAdapter(object):
1156
"""A tool to generate a suite testing multiple bzrdir formats at once.
1158
This is done by copying the test once for each transport and injecting
1159
the transport_server, transport_readonly_server, and bzrdir_format
1160
classes into each copy. Each copy is also given a new id() to make it
1164
def __init__(self, transport_server, transport_readonly_server, formats):
1165
self._transport_server = transport_server
1166
self._transport_readonly_server = transport_readonly_server
1167
self._formats = formats
1169
def adapt(self, test):
1170
result = TestSuite()
1171
for format in self._formats:
1172
new_test = deepcopy(test)
1173
new_test.transport_server = self._transport_server
1174
new_test.transport_readonly_server = self._transport_readonly_server
1175
new_test.bzrdir_format = format
1176
def make_new_test_id():
1177
new_id = "%s(%s)" % (new_test.id(), format.__class__.__name__)
1178
return lambda: new_id
1179
new_test.id = make_new_test_id()
1180
result.addTest(new_test)
1184
class ScratchDir(BzrDir6):
1185
"""Special test class: a bzrdir that cleans up itself..
1187
>>> d = ScratchDir()
1188
>>> base = d.transport.base
1191
>>> b.transport.__del__()
1196
def __init__(self, files=[], dirs=[], transport=None):
1197
"""Make a test branch.
1199
This creates a temporary directory and runs init-tree in it.
1201
If any files are listed, they are created in the working copy.
1203
if transport is None:
1204
transport = bzrlib.transport.local.ScratchTransport()
1205
# local import for scope restriction
1206
BzrDirFormat6().initialize(transport.base)
1207
super(ScratchDir, self).__init__(transport, BzrDirFormat6())
1208
self.create_repository()
1209
self.create_branch()
1210
self.create_workingtree()
1212
super(ScratchDir, self).__init__(transport, BzrDirFormat6())
1214
# BzrBranch creates a clone to .bzr and then forgets about the
1215
# original transport. A ScratchTransport() deletes itself and
1216
# everything underneath it when it goes away, so we need to
1217
# grab a local copy to prevent that from happening
1218
self._transport = transport
1221
self._transport.mkdir(d)
1224
self._transport.put(f, 'content of %s' % f)
1228
>>> orig = ScratchDir(files=["file1", "file2"])
1229
>>> os.listdir(orig.base)
1230
[u'.bzr', u'file1', u'file2']
1231
>>> clone = orig.clone()
1232
>>> if os.name != 'nt':
1233
... os.path.samefile(orig.base, clone.base)
1235
... orig.base == clone.base
1238
>>> os.listdir(clone.base)
1239
[u'.bzr', u'file1', u'file2']
1241
from shutil import copytree
1242
from bzrlib.osutils import mkdtemp
1245
copytree(self.base, base, symlinks=True)
1247
transport=bzrlib.transport.local.ScratchTransport(base))
1250
class Converter(object):
1251
"""Converts a disk format object from one format to another."""
1253
def convert(self, to_convert, pb):
1254
"""Perform the conversion of to_convert, giving feedback via pb.
1256
:param to_convert: The disk object to convert.
1257
:param pb: a progress bar to use for progress information.
1260
def step(self, message):
1261
"""Update the pb by a step."""
1263
self.pb.update(message, self.count, self.total)
1266
class ConvertBzrDir4To5(Converter):
1267
"""Converts format 4 bzr dirs to format 5."""
1270
super(ConvertBzrDir4To5, self).__init__()
1271
self.converted_revs = set()
1272
self.absent_revisions = set()
1276
def convert(self, to_convert, pb):
1277
"""See Converter.convert()."""
1278
self.bzrdir = to_convert
1280
self.pb.note('starting upgrade from format 4 to 5')
1281
if isinstance(self.bzrdir.transport, LocalTransport):
1282
self.bzrdir.get_workingtree_transport(None).delete('stat-cache')
1283
self._convert_to_weaves()
1284
return BzrDir.open(self.bzrdir.root_transport.base)
1286
def _convert_to_weaves(self):
1287
self.pb.note('note: upgrade may be faster if all store files are ungzipped first')
1290
stat = self.bzrdir.transport.stat('weaves')
1291
if not S_ISDIR(stat.st_mode):
1292
self.bzrdir.transport.delete('weaves')
1293
self.bzrdir.transport.mkdir('weaves')
1294
except errors.NoSuchFile:
1295
self.bzrdir.transport.mkdir('weaves')
1296
# deliberately not a WeaveFile as we want to build it up slowly.
1297
self.inv_weave = Weave('inventory')
1298
# holds in-memory weaves for all files
1299
self.text_weaves = {}
1300
self.bzrdir.transport.delete('branch-format')
1301
self.branch = self.bzrdir.open_branch()
1302
self._convert_working_inv()
1303
rev_history = self.branch.revision_history()
1304
# to_read is a stack holding the revisions we still need to process;
1305
# appending to it adds new highest-priority revisions
1306
self.known_revisions = set(rev_history)
1307
self.to_read = rev_history[-1:]
1309
rev_id = self.to_read.pop()
1310
if (rev_id not in self.revisions
1311
and rev_id not in self.absent_revisions):
1312
self._load_one_rev(rev_id)
1314
to_import = self._make_order()
1315
for i, rev_id in enumerate(to_import):
1316
self.pb.update('converting revision', i, len(to_import))
1317
self._convert_one_rev(rev_id)
1319
self._write_all_weaves()
1320
self._write_all_revs()
1321
self.pb.note('upgraded to weaves:')
1322
self.pb.note(' %6d revisions and inventories', len(self.revisions))
1323
self.pb.note(' %6d revisions not present', len(self.absent_revisions))
1324
self.pb.note(' %6d texts', self.text_count)
1325
self._cleanup_spare_files_after_format4()
1326
self.branch.control_files.put_utf8('branch-format', BzrDirFormat5().get_format_string())
1328
def _cleanup_spare_files_after_format4(self):
1329
# FIXME working tree upgrade foo.
1330
for n in 'merged-patches', 'pending-merged-patches':
1332
## assert os.path.getsize(p) == 0
1333
self.bzrdir.transport.delete(n)
1334
except errors.NoSuchFile:
1336
self.bzrdir.transport.delete_tree('inventory-store')
1337
self.bzrdir.transport.delete_tree('text-store')
1339
def _convert_working_inv(self):
1340
inv = serializer_v4.read_inventory(self.branch.control_files.get('inventory'))
1341
new_inv_xml = serializer_v5.write_inventory_to_string(inv)
1342
# FIXME inventory is a working tree change.
1343
self.branch.control_files.put('inventory', new_inv_xml)
1345
def _write_all_weaves(self):
1346
controlweaves = WeaveStore(self.bzrdir.transport, prefixed=False)
1347
weave_transport = self.bzrdir.transport.clone('weaves')
1348
weaves = WeaveStore(weave_transport, prefixed=False)
1349
transaction = WriteTransaction()
1353
for file_id, file_weave in self.text_weaves.items():
1354
self.pb.update('writing weave', i, len(self.text_weaves))
1355
weaves._put_weave(file_id, file_weave, transaction)
1357
self.pb.update('inventory', 0, 1)
1358
controlweaves._put_weave('inventory', self.inv_weave, transaction)
1359
self.pb.update('inventory', 1, 1)
1363
def _write_all_revs(self):
1364
"""Write all revisions out in new form."""
1365
self.bzrdir.transport.delete_tree('revision-store')
1366
self.bzrdir.transport.mkdir('revision-store')
1367
revision_transport = self.bzrdir.transport.clone('revision-store')
1369
_revision_store = TextRevisionStore(TextStore(revision_transport,
1373
transaction = bzrlib.transactions.WriteTransaction()
1374
for i, rev_id in enumerate(self.converted_revs):
1375
self.pb.update('write revision', i, len(self.converted_revs))
1376
_revision_store.add_revision(self.revisions[rev_id], transaction)
1380
def _load_one_rev(self, rev_id):
1381
"""Load a revision object into memory.
1383
Any parents not either loaded or abandoned get queued to be
1385
self.pb.update('loading revision',
1386
len(self.revisions),
1387
len(self.known_revisions))
1388
if not self.branch.repository.has_revision(rev_id):
1390
self.pb.note('revision {%s} not present in branch; '
1391
'will be converted as a ghost',
1393
self.absent_revisions.add(rev_id)
1395
rev = self.branch.repository._revision_store.get_revision(rev_id,
1396
self.branch.repository.get_transaction())
1397
for parent_id in rev.parent_ids:
1398
self.known_revisions.add(parent_id)
1399
self.to_read.append(parent_id)
1400
self.revisions[rev_id] = rev
1402
def _load_old_inventory(self, rev_id):
1403
assert rev_id not in self.converted_revs
1404
old_inv_xml = self.branch.repository.inventory_store.get(rev_id).read()
1405
inv = serializer_v4.read_inventory_from_string(old_inv_xml)
1406
rev = self.revisions[rev_id]
1407
if rev.inventory_sha1:
1408
assert rev.inventory_sha1 == sha_string(old_inv_xml), \
1409
'inventory sha mismatch for {%s}' % rev_id
1412
def _load_updated_inventory(self, rev_id):
1413
assert rev_id in self.converted_revs
1414
inv_xml = self.inv_weave.get_text(rev_id)
1415
inv = serializer_v5.read_inventory_from_string(inv_xml)
1418
def _convert_one_rev(self, rev_id):
1419
"""Convert revision and all referenced objects to new format."""
1420
rev = self.revisions[rev_id]
1421
inv = self._load_old_inventory(rev_id)
1422
present_parents = [p for p in rev.parent_ids
1423
if p not in self.absent_revisions]
1424
self._convert_revision_contents(rev, inv, present_parents)
1425
self._store_new_weave(rev, inv, present_parents)
1426
self.converted_revs.add(rev_id)
1428
def _store_new_weave(self, rev, inv, present_parents):
1429
# the XML is now updated with text versions
1433
if ie.kind == 'root_directory':
1435
assert hasattr(ie, 'revision'), \
1436
'no revision on {%s} in {%s}' % \
1437
(file_id, rev.revision_id)
1438
new_inv_xml = serializer_v5.write_inventory_to_string(inv)
1439
new_inv_sha1 = sha_string(new_inv_xml)
1440
self.inv_weave.add_lines(rev.revision_id,
1442
new_inv_xml.splitlines(True))
1443
rev.inventory_sha1 = new_inv_sha1
1445
def _convert_revision_contents(self, rev, inv, present_parents):
1446
"""Convert all the files within a revision.
1448
Also upgrade the inventory to refer to the text revision ids."""
1449
rev_id = rev.revision_id
1450
mutter('converting texts of revision {%s}',
1452
parent_invs = map(self._load_updated_inventory, present_parents)
1455
self._convert_file_version(rev, ie, parent_invs)
1457
def _convert_file_version(self, rev, ie, parent_invs):
1458
"""Convert one version of one file.
1460
The file needs to be added into the weave if it is a merge
1461
of >=2 parents or if it's changed from its parent.
1463
if ie.kind == 'root_directory':
1465
file_id = ie.file_id
1466
rev_id = rev.revision_id
1467
w = self.text_weaves.get(file_id)
1470
self.text_weaves[file_id] = w
1471
text_changed = False
1472
previous_entries = ie.find_previous_heads(parent_invs, w)
1473
for old_revision in previous_entries:
1474
# if this fails, its a ghost ?
1475
assert old_revision in self.converted_revs
1476
self.snapshot_ie(previous_entries, ie, w, rev_id)
1478
assert getattr(ie, 'revision', None) is not None
1480
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
1481
# TODO: convert this logic, which is ~= snapshot to
1482
# a call to:. This needs the path figured out. rather than a work_tree
1483
# a v4 revision_tree can be given, or something that looks enough like
1484
# one to give the file content to the entry if it needs it.
1485
# and we need something that looks like a weave store for snapshot to
1487
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
1488
if len(previous_revisions) == 1:
1489
previous_ie = previous_revisions.values()[0]
1490
if ie._unchanged(previous_ie):
1491
ie.revision = previous_ie.revision
1494
text = self.branch.repository.text_store.get(ie.text_id)
1495
file_lines = text.readlines()
1496
assert sha_strings(file_lines) == ie.text_sha1
1497
assert sum(map(len, file_lines)) == ie.text_size
1498
w.add_lines(rev_id, previous_revisions, file_lines)
1499
self.text_count += 1
1501
w.add_lines(rev_id, previous_revisions, [])
1502
ie.revision = rev_id
1504
def _make_order(self):
1505
"""Return a suitable order for importing revisions.
1507
The order must be such that an revision is imported after all
1508
its (present) parents.
1510
todo = set(self.revisions.keys())
1511
done = self.absent_revisions.copy()
1514
# scan through looking for a revision whose parents
1516
for rev_id in sorted(list(todo)):
1517
rev = self.revisions[rev_id]
1518
parent_ids = set(rev.parent_ids)
1519
if parent_ids.issubset(done):
1520
# can take this one now
1521
order.append(rev_id)
1527
class ConvertBzrDir5To6(Converter):
1528
"""Converts format 5 bzr dirs to format 6."""
1530
def convert(self, to_convert, pb):
1531
"""See Converter.convert()."""
1532
self.bzrdir = to_convert
1534
self.pb.note('starting upgrade from format 5 to 6')
1535
self._convert_to_prefixed()
1536
return BzrDir.open(self.bzrdir.root_transport.base)
1538
def _convert_to_prefixed(self):
1539
from bzrlib.store import hash_prefix
1540
self.bzrdir.transport.delete('branch-format')
1541
for store_name in ["weaves", "revision-store"]:
1542
self.pb.note("adding prefixes to %s" % store_name)
1543
store_transport = self.bzrdir.transport.clone(store_name)
1544
for urlfilename in store_transport.list_dir('.'):
1545
filename = urlunescape(urlfilename)
1546
if (filename.endswith(".weave") or
1547
filename.endswith(".gz") or
1548
filename.endswith(".sig")):
1549
file_id = os.path.splitext(filename)[0]
1552
prefix_dir = hash_prefix(file_id)
1553
# FIXME keep track of the dirs made RBC 20060121
1555
store_transport.move(filename, prefix_dir + '/' + filename)
1556
except errors.NoSuchFile: # catches missing dirs strangely enough
1557
store_transport.mkdir(prefix_dir)
1558
store_transport.move(filename, prefix_dir + '/' + filename)
1559
self.bzrdir._control_files.put_utf8('branch-format', BzrDirFormat6().get_format_string())
1562
class ConvertBzrDir6ToMeta(Converter):
1563
"""Converts format 6 bzr dirs to metadirs."""
1565
def convert(self, to_convert, pb):
1566
"""See Converter.convert()."""
1567
self.bzrdir = to_convert
1570
self.total = 20 # the steps we know about
1571
self.garbage_inventories = []
1573
self.pb.note('starting upgrade from format 6 to metadir')
1574
self.bzrdir._control_files.put_utf8('branch-format', "Converting to format 6")
1575
# its faster to move specific files around than to open and use the apis...
1576
# first off, nuke ancestry.weave, it was never used.
1578
self.step('Removing ancestry.weave')
1579
self.bzrdir.transport.delete('ancestry.weave')
1580
except errors.NoSuchFile:
1582
# find out whats there
1583
self.step('Finding branch files')
1584
last_revision = self.bzrdir.open_workingtree().last_revision()
1585
bzrcontents = self.bzrdir.transport.list_dir('.')
1586
for name in bzrcontents:
1587
if name.startswith('basis-inventory.'):
1588
self.garbage_inventories.append(name)
1589
# create new directories for repository, working tree and branch
1590
self.dir_mode = self.bzrdir._control_files._dir_mode
1591
self.file_mode = self.bzrdir._control_files._file_mode
1592
repository_names = [('inventory.weave', True),
1593
('revision-store', True),
1595
self.step('Upgrading repository ')
1596
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
1597
self.make_lock('repository')
1598
# we hard code the formats here because we are converting into
1599
# the meta format. The meta format upgrader can take this to a
1600
# future format within each component.
1601
self.put_format('repository', bzrlib.repository.RepositoryFormat7())
1602
for entry in repository_names:
1603
self.move_entry('repository', entry)
1605
self.step('Upgrading branch ')
1606
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
1607
self.make_lock('branch')
1608
self.put_format('branch', bzrlib.branch.BzrBranchFormat5())
1609
branch_files = [('revision-history', True),
1610
('branch-name', True),
1612
for entry in branch_files:
1613
self.move_entry('branch', entry)
1615
self.step('Upgrading working tree')
1616
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
1617
self.make_lock('checkout')
1618
self.put_format('checkout', bzrlib.workingtree.WorkingTreeFormat3())
1619
self.bzrdir.transport.delete_multi(self.garbage_inventories, self.pb)
1620
checkout_files = [('pending-merges', True),
1621
('inventory', True),
1622
('stat-cache', False)]
1623
for entry in checkout_files:
1624
self.move_entry('checkout', entry)
1625
if last_revision is not None:
1626
self.bzrdir._control_files.put_utf8('checkout/last-revision',
1628
self.bzrdir._control_files.put_utf8('branch-format', BzrDirMetaFormat1().get_format_string())
1629
return BzrDir.open(self.bzrdir.root_transport.base)
1631
def make_lock(self, name):
1632
"""Make a lock for the new control dir name."""
1633
self.step('Make %s lock' % name)
1634
ld = LockDir(self.bzrdir.transport,
1636
file_modebits=self.file_mode,
1637
dir_modebits=self.dir_mode)
1640
def move_entry(self, new_dir, entry):
1641
"""Move then entry name into new_dir."""
1643
mandatory = entry[1]
1644
self.step('Moving %s' % name)
1646
self.bzrdir.transport.move(name, '%s/%s' % (new_dir, name))
1647
except errors.NoSuchFile:
1651
def put_format(self, dirname, format):
1652
self.bzrdir._control_files.put_utf8('%s/format' % dirname, format.get_format_string())
1655
class ConvertMetaToMeta(Converter):
1656
"""Converts the components of metadirs."""
1658
def __init__(self, target_format):
1659
"""Create a metadir to metadir converter.
1661
:param target_format: The final metadir format that is desired.
1663
self.target_format = target_format
1665
def convert(self, to_convert, pb):
1666
"""See Converter.convert()."""
1667
self.bzrdir = to_convert
1671
self.step('checking repository format')
1673
repo = self.bzrdir.open_repository()
1674
except errors.NoRepositoryPresent:
1677
if not isinstance(repo._format, self.target_format.repository_format.__class__):
1678
from bzrlib.repository import CopyConverter
1679
self.pb.note('starting repository conversion')
1680
converter = CopyConverter(self.target_format.repository_format)
1681
converter.convert(repo, pb)