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# Copyright (C) 2005, 2006, 2007, 2008 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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Note: This module has a lot of ``open`` functions/methods that return
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references to in-memory objects. As a rule, there are no matching ``close``
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methods. To free any associated resources, simply stop referencing the
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# TODO: Move old formats into a plugin to make this file smaller.
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from cStringIO import StringIO
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from stat import S_ISDIR
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from warnings import warn
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revision as _mod_revision,
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from bzrlib.osutils import (
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from bzrlib.repository import Repository
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from bzrlib.smart.client import _SmartClient
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from bzrlib.smart import protocol
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from bzrlib.store.versioned import WeaveStore
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from bzrlib.transactions import WriteTransaction
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from bzrlib.transport import (
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do_catching_redirections,
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from bzrlib.weave import Weave
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from bzrlib.trace import (
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from bzrlib.transport.local import LocalTransport
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from bzrlib.symbol_versioning import (
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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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(i.e. the parent directory holding the .bzr directory).
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Everything in the bzrdir should have the same file permissions.
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def break_lock(self):
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"""Invoke break_lock on the first object in the bzrdir.
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If there is a tree, the tree is opened and break_lock() called.
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Otherwise, branch is tried, and finally repository.
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# XXX: This seems more like a UI function than something that really
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# belongs in this class.
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thing_to_unlock = self.open_workingtree()
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except (errors.NotLocalUrl, errors.NoWorkingTree):
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thing_to_unlock = self.open_branch()
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except errors.NotBranchError:
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thing_to_unlock = self.open_repository()
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except errors.NoRepositoryPresent:
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thing_to_unlock.break_lock()
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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_conversion_target(self, target_format):
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target_repo_format = target_format.repository_format
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source_repo_format = self._format.repository_format
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source_repo_format.check_conversion_target(target_repo_format)
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def _check_supported(format, allow_unsupported,
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recommend_upgrade=True,
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"""Give an error or warning on old formats.
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:param format: may be any kind of format - workingtree, branch,
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:param allow_unsupported: If true, allow opening
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formats that are strongly deprecated, and which may
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have limited functionality.
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:param recommend_upgrade: If true (default), warn
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the user through the ui object that they may wish
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to upgrade the object.
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# TODO: perhaps move this into a base Format class; it's not BzrDir
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# specific. mbp 20070323
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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(format=format)
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if recommend_upgrade \
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and getattr(format, 'upgrade_recommended', False):
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ui.ui_factory.recommend_upgrade(
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format.get_format_description(),
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def clone(self, url, revision_id=None, force_new_repo=False,
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preserve_stacking=False):
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"""Clone this bzrdir and its contents to url verbatim.
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:param url: The url create the clone at. If url's last component does
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not exist, it will be created.
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:param revision_id: The tip revision-id to use for any branch or
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working tree. If 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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:param preserve_stacking: When cloning a stacked branch, stack the
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new branch on top of the other branch's stacked-on branch.
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return self.clone_on_transport(get_transport(url),
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revision_id=revision_id,
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force_new_repo=force_new_repo,
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preserve_stacking=preserve_stacking)
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def clone_on_transport(self, transport, revision_id=None,
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force_new_repo=False, preserve_stacking=False,
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"""Clone this bzrdir and its contents to transport verbatim.
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:param transport: The transport for the location to produce the clone
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at. If the target directory does not exist, it will be created.
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:param revision_id: The tip revision-id to use for any branch or
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working tree. If 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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:param preserve_stacking: When cloning a stacked branch, stack the
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new branch on top of the other branch's stacked-on branch.
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transport.ensure_base()
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require_stacking = (stacked_on is not None)
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metadir = self.cloning_metadir(require_stacking)
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result = metadir.initialize_on_transport(transport)
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repository_policy = None
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local_repo = self.find_repository()
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except errors.NoRepositoryPresent:
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local_branch = self.open_branch()
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except errors.NotBranchError:
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# enable fallbacks when branch is not a branch reference
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if local_branch.repository.has_same_location(local_repo):
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local_repo = local_branch.repository
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if preserve_stacking:
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stacked_on = local_branch.get_stacked_on_url()
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except (errors.UnstackableBranchFormat,
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errors.UnstackableRepositoryFormat,
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# may need to copy content in
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repository_policy = result.determine_repository_policy(
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force_new_repo, stacked_on, self.root_transport.base,
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require_stacking=require_stacking)
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make_working_trees = local_repo.make_working_trees()
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result_repo = repository_policy.acquire_repository(
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make_working_trees, local_repo.is_shared())
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result_repo.fetch(local_repo, revision_id=revision_id)
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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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if local_branch is not None:
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result_branch = local_branch.clone(result, revision_id=revision_id)
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if repository_policy is not None:
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repository_policy.configure_branch(result_branch)
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if result_repo is None or result_repo.make_working_trees():
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self.open_workingtree().clone(result)
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except (errors.NoWorkingTree, errors.NotLocalUrl):
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# TODO: This should be given a Transport, and should chdir up; otherwise
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# this will open a new connection.
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def _make_tail(self, url):
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t = get_transport(url)
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def create(cls, base, format=None, possible_transports=None):
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"""Create a new BzrDir at the url 'base'.
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:param format: If supplied, the format of branch to create. If not
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supplied, the default is used.
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:param possible_transports: If supplied, a list of transports that
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can be reused to share a remote connection.
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if cls is not BzrDir:
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raise AssertionError("BzrDir.create always creates the default"
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" format, not one of %r" % cls)
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t = get_transport(base, possible_transports)
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format = BzrDirFormat.get_default_format()
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return format.initialize_on_transport(t)
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def find_bzrdirs(transport, evaluate=None, list_current=None):
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"""Find bzrdirs recursively from current location.
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This is intended primarily as a building block for more sophisticated
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functionality, like finding trees under a directory, or finding
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branches that use a given repository.
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:param evaluate: An optional callable that yields recurse, value,
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where recurse controls whether this bzrdir is recursed into
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and value is the value to yield. By default, all bzrdirs
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are recursed into, and the return value is the bzrdir.
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:param list_current: if supplied, use this function to list the current
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directory, instead of Transport.list_dir
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:return: a generator of found bzrdirs, or whatever evaluate returns.
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if list_current is None:
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def list_current(transport):
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return transport.list_dir('')
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def evaluate(bzrdir):
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pending = [transport]
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while len(pending) > 0:
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current_transport = pending.pop()
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bzrdir = BzrDir.open_from_transport(current_transport)
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except errors.NotBranchError:
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recurse, value = evaluate(bzrdir)
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subdirs = list_current(current_transport)
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except errors.NoSuchFile:
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for subdir in sorted(subdirs, reverse=True):
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pending.append(current_transport.clone(subdir))
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def find_branches(transport):
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"""Find all branches under a transport.
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This will find all branches below the transport, including branches
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inside other branches. Where possible, it will use
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Repository.find_branches.
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To list all the branches that use a particular Repository, see
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Repository.find_branches
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def evaluate(bzrdir):
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repository = bzrdir.open_repository()
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except errors.NoRepositoryPresent:
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return False, (None, repository)
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branch = bzrdir.open_branch()
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except errors.NotBranchError:
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return True, (None, None)
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return True, (branch, None)
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for branch, repo in BzrDir.find_bzrdirs(transport, evaluate=evaluate):
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branches.extend(repo.find_branches())
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if branch is not None:
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branches.append(branch)
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def destroy_repository(self):
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"""Destroy the repository in this BzrDir"""
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raise NotImplementedError(self.destroy_repository)
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def create_branch(self):
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"""Create a branch in this BzrDir.
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The bzrdir's 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 destroy_branch(self):
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"""Destroy the branch in this BzrDir"""
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raise NotImplementedError(self.destroy_branch)
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def create_branch_and_repo(base, force_new_repo=False, format=None):
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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 unless one is
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specified, 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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:param format: If supplied, the format of branch to create. If not
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supplied, the default is used.
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bzrdir = BzrDir.create(base, format)
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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 determine_repository_policy(self, force_new_repo=False, stack_on=None,
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stack_on_pwd=None, require_stacking=False):
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"""Return an object representing a policy to use.
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This controls whether a new repository is created, or a shared
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repository used instead.
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If stack_on is supplied, will not seek a containing shared repo.
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:param force_new_repo: If True, require a new repository to be created.
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:param stack_on: If supplied, the location to stack on. If not
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supplied, a default_stack_on location may be used.
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:param stack_on_pwd: If stack_on is relative, the location it is
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def repository_policy(found_bzrdir):
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config = found_bzrdir.get_config()
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if config is not None:
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stack_on = config.get_default_stack_on()
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if stack_on is not None:
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stack_on_pwd = found_bzrdir.root_transport.base
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note('Using default stacking branch %s at %s', stack_on,
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# does it have a repository ?
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repository = found_bzrdir.open_repository()
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except errors.NoRepositoryPresent:
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if ((found_bzrdir.root_transport.base !=
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self.root_transport.base) and not repository.is_shared()):
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return UseExistingRepository(repository, stack_on,
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stack_on_pwd, require_stacking=require_stacking), True
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return CreateRepository(self, stack_on, stack_on_pwd,
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require_stacking=require_stacking), True
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if not force_new_repo:
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policy = self._find_containing(repository_policy)
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if policy is not None:
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return UseExistingRepository(self.open_repository(),
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stack_on, stack_on_pwd,
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require_stacking=require_stacking)
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except errors.NoRepositoryPresent:
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return CreateRepository(self, stack_on, stack_on_pwd,
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require_stacking=require_stacking)
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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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policy = self.determine_repository_policy(force_new_repo)
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return policy.acquire_repository()
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def create_branch_convenience(base, force_new_repo=False,
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force_new_tree=None, format=None,
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possible_transports=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 unless one is
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specified, 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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:param format: Override for the bzrdir format to create.
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:param possible_transports: An optional reusable transports list.
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# check for non local urls
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t = get_transport(base, possible_transports)
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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, format, possible_transports)
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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_standalone_workingtree(base, format=None):
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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 unless one is
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specified, 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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:param format: Override for the bzrdir format to create.
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:return: The WorkingTree object.
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t = get_transport(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(base,
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format=format).bzrdir
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return bzrdir.create_workingtree()
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def create_workingtree(self, revision_id=None, from_branch=None,
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accelerator_tree=None, hardlink=False):
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"""Create a working tree at this BzrDir.
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:param revision_id: create it as of this revision id.
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:param from_branch: override bzrdir branch (for lightweight checkouts)
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:param accelerator_tree: A tree which can be used for retrieving file
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contents more quickly than the revision tree, i.e. a workingtree.
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The revision tree will be used for cases where accelerator_tree's
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content is different.
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raise NotImplementedError(self.create_workingtree)
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def retire_bzrdir(self, limit=10000):
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"""Permanently disable the bzrdir.
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This is done by renaming it to give the user some ability to recover
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if there was a problem.
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This will have horrible consequences if anyone has anything locked or
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:param limit: number of times to retry
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to_path = '.bzr.retired.%d' % i
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self.root_transport.rename('.bzr', to_path)
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note("renamed %s to %s"
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% (self.root_transport.abspath('.bzr'), to_path))
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except (errors.TransportError, IOError, errors.PathError):
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def destroy_workingtree(self):
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"""Destroy the working tree at this BzrDir.
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Formats that do not support this may raise UnsupportedOperation.
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raise NotImplementedError(self.destroy_workingtree)
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def destroy_workingtree_metadata(self):
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"""Destroy the control files for the working tree at this BzrDir.
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The contents of working tree files are not affected.
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Formats that do not support this may raise UnsupportedOperation.
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raise NotImplementedError(self.destroy_workingtree_metadata)
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def _find_containing(self, evaluate):
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"""Find something in a containing control directory.
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This method will scan containing control dirs, until it finds what
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it is looking for, decides that it will never find it, or runs out
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of containing control directories to check.
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It is used to implement find_repository and
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determine_repository_policy.
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:param evaluate: A function returning (value, stop). If stop is True,
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the value will be returned.
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result, stop = evaluate(found_bzrdir)
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next_transport = found_bzrdir.root_transport.clone('..')
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if (found_bzrdir.root_transport.base == next_transport.base):
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# top of the file system
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# find the next containing bzrdir
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found_bzrdir = BzrDir.open_containing_from_transport(
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except errors.NotBranchError:
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def find_repository(self):
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"""Find the repository that should be used.
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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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def usable_repository(found_bzrdir):
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# does it have a repository ?
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repository = found_bzrdir.open_repository()
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except errors.NoRepositoryPresent:
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if found_bzrdir.root_transport.base == self.root_transport.base:
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return repository, True
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elif repository.is_shared():
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return repository, True
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found_repo = self._find_containing(usable_repository)
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if found_repo is None:
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raise errors.NoRepositoryPresent(self)
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def get_branch_reference(self):
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"""Return the referenced URL for the branch in this bzrdir.
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:raises NotBranchError: If there is no Branch.
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:return: The URL the branch in this bzrdir references if it is a
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reference branch, or None for regular branches.
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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 versa.
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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 _find_creation_modes(self):
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"""Determine the appropriate modes for files and directories.
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They're always set to be consistent with the base directory,
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assuming that this transport allows setting modes.
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# TODO: Do we need or want an option (maybe a config setting) to turn
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# this off or override it for particular locations? -- mbp 20080512
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if self._mode_check_done:
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self._mode_check_done = True
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st = self.transport.stat('.')
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except errors.TransportNotPossible:
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self._dir_mode = None
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self._file_mode = None
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# Check the directory mode, but also make sure the created
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# directories and files are read-write for this user. This is
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# mostly a workaround for filesystems which lie about being able to
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# write to a directory (cygwin & win32)
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if (st.st_mode & 07777 == 00000):
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# FTP allows stat but does not return dir/file modes
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self._dir_mode = None
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self._file_mode = None
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self._dir_mode = (st.st_mode & 07777) | 00700
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# Remove the sticky and execute bits for files
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self._file_mode = self._dir_mode & ~07111
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def _get_file_mode(self):
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"""Return Unix mode for newly created files, or None.
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if not self._mode_check_done:
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self._find_creation_modes()
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return self._file_mode
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def _get_dir_mode(self):
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"""Return Unix mode for newly created directories, or None.
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if not self._mode_check_done:
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self._find_creation_modes()
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return self._dir_mode
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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 versa.
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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 a
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format string, and vice versa.
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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 get_config(self):
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if getattr(self, '_get_config', None) is None:
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return self._get_config()
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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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self._mode_check_done = False
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def is_control_filename(self, filename):
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"""True if filename is the name of a path which is reserved for bzrdir's.
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:param filename: A filename within the root transport of this bzrdir.
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This is true IF and ONLY IF the filename is part of the namespace reserved
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for bzr control dirs. Currently this is the '.bzr' directory in the root
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of the root_transport. it is expected that plugins will need to extend
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this in the future - for instance to make bzr talk with svn working
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# this might be better on the BzrDirFormat class because it refers to
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# all the possible bzrdir disk formats.
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# This method is tested via the workingtree is_control_filename tests-
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# it was extracted from WorkingTree.is_control_filename. If the method's
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# contract is extended beyond the current trivial implementation, please
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# add new tests for it to the appropriate place.
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return filename == '.bzr' or filename.startswith('.bzr/')
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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, possible_transports=None):
767
"""Open an existing bzrdir, rooted at 'base' (url).
769
:param _unsupported: a private parameter to the BzrDir class.
771
t = get_transport(base, possible_transports=possible_transports)
772
return BzrDir.open_from_transport(t, _unsupported=_unsupported)
775
def open_from_transport(transport, _unsupported=False,
776
_server_formats=True):
777
"""Open a bzrdir within a particular directory.
779
:param transport: Transport containing the bzrdir.
780
:param _unsupported: private.
782
base = transport.base
784
def find_format(transport):
785
return transport, BzrDirFormat.find_format(
786
transport, _server_formats=_server_formats)
788
def redirected(transport, e, redirection_notice):
789
qualified_source = e.get_source_url()
790
relpath = transport.relpath(qualified_source)
791
if not e.target.endswith(relpath):
792
# Not redirected to a branch-format, not a branch
793
raise errors.NotBranchError(path=e.target)
794
target = e.target[:-len(relpath)]
795
note('%s is%s redirected to %s',
796
transport.base, e.permanently, target)
797
# Let's try with a new transport
798
# FIXME: If 'transport' has a qualifier, this should
799
# be applied again to the new transport *iff* the
800
# schemes used are the same. Uncomment this code
801
# once the function (and tests) exist.
803
#target = urlutils.copy_url_qualifiers(original, target)
804
return get_transport(target)
807
transport, format = do_catching_redirections(find_format,
810
except errors.TooManyRedirections:
811
raise errors.NotBranchError(base)
813
BzrDir._check_supported(format, _unsupported)
814
return format.open(transport, _found=True)
816
def open_branch(self, unsupported=False):
817
"""Open the branch object at this BzrDir if one is present.
819
If unsupported is True, then no longer supported branch formats can
822
TODO: static convenience version of this?
824
raise NotImplementedError(self.open_branch)
827
def open_containing(url, possible_transports=None):
828
"""Open an existing branch which contains url.
830
:param url: url to search from.
831
See open_containing_from_transport for more detail.
833
transport = get_transport(url, possible_transports)
834
return BzrDir.open_containing_from_transport(transport)
837
def open_containing_from_transport(a_transport):
838
"""Open an existing branch which contains a_transport.base.
840
This probes for a branch at a_transport, and searches upwards from there.
842
Basically we keep looking up until we find the control directory or
843
run into the root. If there isn't one, raises NotBranchError.
844
If there is one and it is either an unrecognised format or an unsupported
845
format, UnknownFormatError or UnsupportedFormatError are raised.
846
If there is one, it is returned, along with the unused portion of url.
848
:return: The BzrDir that contains the path, and a Unicode path
849
for the rest of the URL.
851
# this gets the normalised url back. I.e. '.' -> the full path.
852
url = a_transport.base
855
result = BzrDir.open_from_transport(a_transport)
856
return result, urlutils.unescape(a_transport.relpath(url))
857
except errors.NotBranchError, e:
860
new_t = a_transport.clone('..')
861
except errors.InvalidURLJoin:
862
# reached the root, whatever that may be
863
raise errors.NotBranchError(path=url)
864
if new_t.base == a_transport.base:
865
# reached the root, whatever that may be
866
raise errors.NotBranchError(path=url)
869
def _get_tree_branch(self):
870
"""Return the branch and tree, if any, for this bzrdir.
872
Return None for tree if not present or inaccessible.
873
Raise NotBranchError if no branch is present.
874
:return: (tree, branch)
877
tree = self.open_workingtree()
878
except (errors.NoWorkingTree, errors.NotLocalUrl):
880
branch = self.open_branch()
886
def open_tree_or_branch(klass, location):
887
"""Return the branch and working tree at a location.
889
If there is no tree at the location, tree will be None.
890
If there is no branch at the location, an exception will be
892
:return: (tree, branch)
894
bzrdir = klass.open(location)
895
return bzrdir._get_tree_branch()
898
def open_containing_tree_or_branch(klass, location):
899
"""Return the branch and working tree contained by a location.
901
Returns (tree, branch, relpath).
902
If there is no tree at containing the location, tree will be None.
903
If there is no branch containing the location, an exception will be
905
relpath is the portion of the path that is contained by the branch.
907
bzrdir, relpath = klass.open_containing(location)
908
tree, branch = bzrdir._get_tree_branch()
909
return tree, branch, relpath
912
def open_containing_tree_branch_or_repository(klass, location):
913
"""Return the working tree, branch and repo contained by a location.
915
Returns (tree, branch, repository, relpath).
916
If there is no tree containing the location, tree will be None.
917
If there is no branch containing the location, branch will be None.
918
If there is no repository containing the location, repository will be
920
relpath is the portion of the path that is contained by the innermost
923
If no tree, branch or repository is found, a NotBranchError is raised.
925
bzrdir, relpath = klass.open_containing(location)
927
tree, branch = bzrdir._get_tree_branch()
928
except errors.NotBranchError:
930
repo = bzrdir.find_repository()
931
return None, None, repo, relpath
932
except (errors.NoRepositoryPresent):
933
raise errors.NotBranchError(location)
934
return tree, branch, branch.repository, relpath
936
def open_repository(self, _unsupported=False):
937
"""Open the repository object at this BzrDir if one is present.
939
This will not follow the Branch object pointer - it's strictly a direct
940
open facility. Most client code should use open_branch().repository to
943
:param _unsupported: a private parameter, not part of the api.
944
TODO: static convenience version of this?
946
raise NotImplementedError(self.open_repository)
948
def open_workingtree(self, _unsupported=False,
949
recommend_upgrade=True, from_branch=None):
950
"""Open the workingtree object at this BzrDir if one is present.
952
:param recommend_upgrade: Optional keyword parameter, when True (the
953
default), emit through the ui module a recommendation that the user
954
upgrade the working tree when the workingtree being opened is old
955
(but still fully supported).
956
:param from_branch: override bzrdir branch (for lightweight checkouts)
958
raise NotImplementedError(self.open_workingtree)
960
def has_branch(self):
961
"""Tell if this bzrdir contains a branch.
963
Note: if you're going to open the branch, you should just go ahead
964
and try, and not ask permission first. (This method just opens the
965
branch and discards it, and that's somewhat expensive.)
970
except errors.NotBranchError:
973
def has_workingtree(self):
974
"""Tell if this bzrdir contains a working tree.
976
This will still raise an exception if the bzrdir has a workingtree that
977
is remote & inaccessible.
979
Note: if you're going to open the working tree, you should just go ahead
980
and try, and not ask permission first. (This method just opens the
981
workingtree and discards it, and that's somewhat expensive.)
984
self.open_workingtree(recommend_upgrade=False)
986
except errors.NoWorkingTree:
989
def _cloning_metadir(self):
990
"""Produce a metadir suitable for cloning with.
992
:returns: (destination_bzrdir_format, source_repository)
994
result_format = self._format.__class__()
997
branch = self.open_branch()
998
source_repository = branch.repository
999
result_format._branch_format = branch._format
1000
except errors.NotBranchError:
1001
source_branch = None
1002
source_repository = self.open_repository()
1003
except errors.NoRepositoryPresent:
1004
source_repository = None
1006
# XXX TODO: This isinstance is here because we have not implemented
1007
# the fix recommended in bug # 103195 - to delegate this choice the
1008
# repository itself.
1009
repo_format = source_repository._format
1010
if isinstance(repo_format, remote.RemoteRepositoryFormat):
1011
source_repository._ensure_real()
1012
repo_format = source_repository._real_repository._format
1013
result_format.repository_format = repo_format
1015
# TODO: Couldn't we just probe for the format in these cases,
1016
# rather than opening the whole tree? It would be a little
1017
# faster. mbp 20070401
1018
tree = self.open_workingtree(recommend_upgrade=False)
1019
except (errors.NoWorkingTree, errors.NotLocalUrl):
1020
result_format.workingtree_format = None
1022
result_format.workingtree_format = tree._format.__class__()
1023
return result_format, source_repository
1025
def cloning_metadir(self, require_stacking=False):
1026
"""Produce a metadir suitable for cloning or sprouting with.
1028
These operations may produce workingtrees (yes, even though they're
1029
"cloning" something that doesn't have a tree), so a viable workingtree
1030
format must be selected.
1032
:require_stacking: If True, non-stackable formats will be upgraded
1033
to similar stackable formats.
1034
:returns: a BzrDirFormat with all component formats either set
1035
appropriately or set to None if that component should not be
1038
format, repository = self._cloning_metadir()
1039
if format._workingtree_format is None:
1040
if repository is None:
1042
tree_format = repository._format._matchingbzrdir.workingtree_format
1043
format.workingtree_format = tree_format.__class__()
1044
if (require_stacking and not
1045
format.get_branch_format().supports_stacking()):
1046
# We need to make a stacked branch, but the default format for the
1047
# target doesn't support stacking. So force a branch that *can*
1049
from bzrlib.branch import BzrBranchFormat7
1050
format._branch_format = BzrBranchFormat7()
1051
mutter("using %r for stacking" % (format._branch_format,))
1052
from bzrlib.repofmt import pack_repo
1053
if format.repository_format.rich_root_data:
1054
bzrdir_format_name = '1.6.1-rich-root'
1055
repo_format = pack_repo.RepositoryFormatKnitPack5RichRoot()
1057
bzrdir_format_name = '1.6'
1058
repo_format = pack_repo.RepositoryFormatKnitPack5()
1059
note('Source format does not support stacking, using format:'
1061
bzrdir_format_name, repo_format.get_format_description())
1062
format.repository_format = repo_format
1065
def checkout_metadir(self):
1066
return self.cloning_metadir()
1068
def sprout(self, url, revision_id=None, force_new_repo=False,
1069
recurse='down', possible_transports=None,
1070
accelerator_tree=None, hardlink=False, stacked=False):
1071
"""Create a copy of this bzrdir prepared for use as a new line of
1074
If url's last component does not exist, it will be created.
1076
Attributes related to the identity of the source branch like
1077
branch nickname will be cleaned, a working tree is created
1078
whether one existed before or not; and a local branch is always
1081
if revision_id is not None, then the clone operation may tune
1082
itself to download less data.
1083
:param accelerator_tree: A tree which can be used for retrieving file
1084
contents more quickly than the revision tree, i.e. a workingtree.
1085
The revision tree will be used for cases where accelerator_tree's
1086
content is different.
1087
:param hardlink: If true, hard-link files from accelerator_tree,
1089
:param stacked: If true, create a stacked branch referring to the
1090
location of this control directory.
1092
target_transport = get_transport(url, possible_transports)
1093
target_transport.ensure_base()
1094
cloning_format = self.cloning_metadir(stacked)
1095
# Create/update the result branch
1096
result = cloning_format.initialize_on_transport(target_transport)
1098
source_branch = self.open_branch()
1099
source_repository = source_branch.repository
1101
stacked_branch_url = self.root_transport.base
1103
# if a stacked branch wasn't requested, we don't create one
1104
# even if the origin was stacked
1105
stacked_branch_url = None
1106
except errors.NotBranchError:
1107
source_branch = None
1109
source_repository = self.open_repository()
1110
except errors.NoRepositoryPresent:
1111
source_repository = None
1112
stacked_branch_url = None
1113
repository_policy = result.determine_repository_policy(
1114
force_new_repo, stacked_branch_url, require_stacking=stacked)
1115
result_repo = repository_policy.acquire_repository()
1116
if source_repository is not None:
1117
# Fetch while stacked to prevent unstacked fetch from
1119
result_repo.fetch(source_repository, revision_id=revision_id)
1121
if source_branch is None:
1122
# this is for sprouting a bzrdir without a branch; is that
1124
# Not especially, but it's part of the contract.
1125
result_branch = result.create_branch()
1127
# Force NULL revision to avoid using repository before stacking
1129
result_branch = source_branch.sprout(
1130
result, revision_id=_mod_revision.NULL_REVISION)
1131
parent_location = result_branch.get_parent()
1132
mutter("created new branch %r" % (result_branch,))
1133
repository_policy.configure_branch(result_branch)
1134
if source_branch is not None:
1135
source_branch.copy_content_into(result_branch, revision_id)
1136
# Override copy_content_into
1137
result_branch.set_parent(parent_location)
1139
# Create/update the result working tree
1140
if isinstance(target_transport, LocalTransport) and (
1141
result_repo is None or result_repo.make_working_trees()):
1142
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
1146
if wt.path2id('') is None:
1148
wt.set_root_id(self.open_workingtree.get_root_id())
1149
except errors.NoWorkingTree:
1155
if recurse == 'down':
1157
basis = wt.basis_tree()
1159
subtrees = basis.iter_references()
1160
elif result_branch is not None:
1161
basis = result_branch.basis_tree()
1163
subtrees = basis.iter_references()
1164
elif source_branch is not None:
1165
basis = source_branch.basis_tree()
1167
subtrees = basis.iter_references()
1172
for path, file_id in subtrees:
1173
target = urlutils.join(url, urlutils.escape(path))
1174
sublocation = source_branch.reference_parent(file_id, path)
1175
sublocation.bzrdir.sprout(target,
1176
basis.get_reference_revision(file_id, path),
1177
force_new_repo=force_new_repo, recurse=recurse,
1180
if basis is not None:
1185
class BzrDirPreSplitOut(BzrDir):
1186
"""A common class for the all-in-one formats."""
1188
def __init__(self, _transport, _format):
1189
"""See BzrDir.__init__."""
1190
super(BzrDirPreSplitOut, self).__init__(_transport, _format)
1191
self._control_files = lockable_files.LockableFiles(
1192
self.get_branch_transport(None),
1193
self._format._lock_file_name,
1194
self._format._lock_class)
1196
def break_lock(self):
1197
"""Pre-splitout bzrdirs do not suffer from stale locks."""
1198
raise NotImplementedError(self.break_lock)
1200
def cloning_metadir(self, require_stacking=False):
1201
"""Produce a metadir suitable for cloning with."""
1202
if require_stacking:
1203
return format_registry.make_bzrdir('1.6')
1204
return self._format.__class__()
1206
def clone(self, url, revision_id=None, force_new_repo=False,
1207
preserve_stacking=False):
1208
"""See BzrDir.clone().
1210
force_new_repo has no effect, since this family of formats always
1211
require a new repository.
1212
preserve_stacking has no effect, since no source branch using this
1213
family of formats can be stacked, so there is no stacking to preserve.
1215
self._make_tail(url)
1216
result = self._format._initialize_for_clone(url)
1217
self.open_repository().clone(result, revision_id=revision_id)
1218
from_branch = self.open_branch()
1219
from_branch.clone(result, revision_id=revision_id)
1221
tree = self.open_workingtree()
1222
except errors.NotLocalUrl:
1223
# make a new one, this format always has to have one.
1224
result._init_workingtree()
1229
def create_branch(self):
1230
"""See BzrDir.create_branch."""
1231
return self._format.get_branch_format().initialize(self)
1233
def destroy_branch(self):
1234
"""See BzrDir.destroy_branch."""
1235
raise errors.UnsupportedOperation(self.destroy_branch, self)
1237
def create_repository(self, shared=False):
1238
"""See BzrDir.create_repository."""
1240
raise errors.IncompatibleFormat('shared repository', self._format)
1241
return self.open_repository()
1243
def destroy_repository(self):
1244
"""See BzrDir.destroy_repository."""
1245
raise errors.UnsupportedOperation(self.destroy_repository, self)
1247
def create_workingtree(self, revision_id=None, from_branch=None,
1248
accelerator_tree=None, hardlink=False):
1249
"""See BzrDir.create_workingtree."""
1250
# The workingtree is sometimes created when the bzrdir is created,
1251
# but not when cloning.
1253
# this looks buggy but is not -really-
1254
# because this format creates the workingtree when the bzrdir is
1256
# clone and sprout will have set the revision_id
1257
# and that will have set it for us, its only
1258
# specific uses of create_workingtree in isolation
1259
# that can do wonky stuff here, and that only
1260
# happens for creating checkouts, which cannot be
1261
# done on this format anyway. So - acceptable wart.
1263
result = self.open_workingtree(recommend_upgrade=False)
1264
except errors.NoSuchFile:
1265
result = self._init_workingtree()
1266
if revision_id is not None:
1267
if revision_id == _mod_revision.NULL_REVISION:
1268
result.set_parent_ids([])
1270
result.set_parent_ids([revision_id])
1273
def _init_workingtree(self):
1274
from bzrlib.workingtree import WorkingTreeFormat2
1276
return WorkingTreeFormat2().initialize(self)
1277
except errors.NotLocalUrl:
1278
# Even though we can't access the working tree, we need to
1279
# create its control files.
1280
return WorkingTreeFormat2()._stub_initialize_on_transport(
1281
self.transport, self._control_files._file_mode)
1283
def destroy_workingtree(self):
1284
"""See BzrDir.destroy_workingtree."""
1285
raise errors.UnsupportedOperation(self.destroy_workingtree, self)
1287
def destroy_workingtree_metadata(self):
1288
"""See BzrDir.destroy_workingtree_metadata."""
1289
raise errors.UnsupportedOperation(self.destroy_workingtree_metadata,
1292
def get_branch_transport(self, branch_format):
1293
"""See BzrDir.get_branch_transport()."""
1294
if branch_format is None:
1295
return self.transport
1297
branch_format.get_format_string()
1298
except NotImplementedError:
1299
return self.transport
1300
raise errors.IncompatibleFormat(branch_format, self._format)
1302
def get_repository_transport(self, repository_format):
1303
"""See BzrDir.get_repository_transport()."""
1304
if repository_format is None:
1305
return self.transport
1307
repository_format.get_format_string()
1308
except NotImplementedError:
1309
return self.transport
1310
raise errors.IncompatibleFormat(repository_format, self._format)
1312
def get_workingtree_transport(self, workingtree_format):
1313
"""See BzrDir.get_workingtree_transport()."""
1314
if workingtree_format is None:
1315
return self.transport
1317
workingtree_format.get_format_string()
1318
except NotImplementedError:
1319
return self.transport
1320
raise errors.IncompatibleFormat(workingtree_format, self._format)
1322
def needs_format_conversion(self, format=None):
1323
"""See BzrDir.needs_format_conversion()."""
1324
# if the format is not the same as the system default,
1325
# an upgrade is needed.
1327
format = BzrDirFormat.get_default_format()
1328
return not isinstance(self._format, format.__class__)
1330
def open_branch(self, unsupported=False):
1331
"""See BzrDir.open_branch."""
1332
from bzrlib.branch import BzrBranchFormat4
1333
format = BzrBranchFormat4()
1334
self._check_supported(format, unsupported)
1335
return format.open(self, _found=True)
1337
def sprout(self, url, revision_id=None, force_new_repo=False,
1338
possible_transports=None, accelerator_tree=None,
1339
hardlink=False, stacked=False):
1340
"""See BzrDir.sprout()."""
1342
raise errors.UnstackableBranchFormat(
1343
self._format, self.root_transport.base)
1344
from bzrlib.workingtree import WorkingTreeFormat2
1345
self._make_tail(url)
1346
result = self._format._initialize_for_clone(url)
1348
self.open_repository().clone(result, revision_id=revision_id)
1349
except errors.NoRepositoryPresent:
1352
self.open_branch().sprout(result, revision_id=revision_id)
1353
except errors.NotBranchError:
1355
# we always want a working tree
1356
WorkingTreeFormat2().initialize(result,
1357
accelerator_tree=accelerator_tree,
1362
class BzrDir4(BzrDirPreSplitOut):
1363
"""A .bzr version 4 control object.
1365
This is a deprecated format and may be removed after sept 2006.
1368
def create_repository(self, shared=False):
1369
"""See BzrDir.create_repository."""
1370
return self._format.repository_format.initialize(self, shared)
1372
def needs_format_conversion(self, format=None):
1373
"""Format 4 dirs are always in need of conversion."""
1376
def open_repository(self):
1377
"""See BzrDir.open_repository."""
1378
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1379
return RepositoryFormat4().open(self, _found=True)
1382
class BzrDir5(BzrDirPreSplitOut):
1383
"""A .bzr version 5 control object.
1385
This is a deprecated format and may be removed after sept 2006.
1388
def open_repository(self):
1389
"""See BzrDir.open_repository."""
1390
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1391
return RepositoryFormat5().open(self, _found=True)
1393
def open_workingtree(self, _unsupported=False,
1394
recommend_upgrade=True):
1395
"""See BzrDir.create_workingtree."""
1396
from bzrlib.workingtree import WorkingTreeFormat2
1397
wt_format = WorkingTreeFormat2()
1398
# we don't warn here about upgrades; that ought to be handled for the
1400
return wt_format.open(self, _found=True)
1403
class BzrDir6(BzrDirPreSplitOut):
1404
"""A .bzr version 6 control object.
1406
This is a deprecated format and may be removed after sept 2006.
1409
def open_repository(self):
1410
"""See BzrDir.open_repository."""
1411
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1412
return RepositoryFormat6().open(self, _found=True)
1414
def open_workingtree(self, _unsupported=False,
1415
recommend_upgrade=True):
1416
"""See BzrDir.create_workingtree."""
1417
# we don't warn here about upgrades; that ought to be handled for the
1419
from bzrlib.workingtree import WorkingTreeFormat2
1420
return WorkingTreeFormat2().open(self, _found=True)
1423
class BzrDirMeta1(BzrDir):
1424
"""A .bzr meta version 1 control object.
1426
This is the first control object where the
1427
individual aspects are really split out: there are separate repository,
1428
workingtree and branch subdirectories and any subset of the three can be
1429
present within a BzrDir.
1432
def can_convert_format(self):
1433
"""See BzrDir.can_convert_format()."""
1436
def create_branch(self):
1437
"""See BzrDir.create_branch."""
1438
return self._format.get_branch_format().initialize(self)
1440
def destroy_branch(self):
1441
"""See BzrDir.create_branch."""
1442
self.transport.delete_tree('branch')
1444
def create_repository(self, shared=False):
1445
"""See BzrDir.create_repository."""
1446
return self._format.repository_format.initialize(self, shared)
1448
def destroy_repository(self):
1449
"""See BzrDir.destroy_repository."""
1450
self.transport.delete_tree('repository')
1452
def create_workingtree(self, revision_id=None, from_branch=None,
1453
accelerator_tree=None, hardlink=False):
1454
"""See BzrDir.create_workingtree."""
1455
return self._format.workingtree_format.initialize(
1456
self, revision_id, from_branch=from_branch,
1457
accelerator_tree=accelerator_tree, hardlink=hardlink)
1459
def destroy_workingtree(self):
1460
"""See BzrDir.destroy_workingtree."""
1461
wt = self.open_workingtree(recommend_upgrade=False)
1462
repository = wt.branch.repository
1463
empty = repository.revision_tree(_mod_revision.NULL_REVISION)
1464
wt.revert(old_tree=empty)
1465
self.destroy_workingtree_metadata()
1467
def destroy_workingtree_metadata(self):
1468
self.transport.delete_tree('checkout')
1470
def find_branch_format(self):
1471
"""Find the branch 'format' for this bzrdir.
1473
This might be a synthetic object for e.g. RemoteBranch and SVN.
1475
from bzrlib.branch import BranchFormat
1476
return BranchFormat.find_format(self)
1478
def _get_mkdir_mode(self):
1479
"""Figure out the mode to use when creating a bzrdir subdir."""
1480
temp_control = lockable_files.LockableFiles(self.transport, '',
1481
lockable_files.TransportLock)
1482
return temp_control._dir_mode
1484
def get_branch_reference(self):
1485
"""See BzrDir.get_branch_reference()."""
1486
from bzrlib.branch import BranchFormat
1487
format = BranchFormat.find_format(self)
1488
return format.get_reference(self)
1490
def get_branch_transport(self, branch_format):
1491
"""See BzrDir.get_branch_transport()."""
1492
if branch_format is None:
1493
return self.transport.clone('branch')
1495
branch_format.get_format_string()
1496
except NotImplementedError:
1497
raise errors.IncompatibleFormat(branch_format, self._format)
1499
self.transport.mkdir('branch', mode=self._get_mkdir_mode())
1500
except errors.FileExists:
1502
return self.transport.clone('branch')
1504
def get_repository_transport(self, repository_format):
1505
"""See BzrDir.get_repository_transport()."""
1506
if repository_format is None:
1507
return self.transport.clone('repository')
1509
repository_format.get_format_string()
1510
except NotImplementedError:
1511
raise errors.IncompatibleFormat(repository_format, self._format)
1513
self.transport.mkdir('repository', mode=self._get_mkdir_mode())
1514
except errors.FileExists:
1516
return self.transport.clone('repository')
1518
def get_workingtree_transport(self, workingtree_format):
1519
"""See BzrDir.get_workingtree_transport()."""
1520
if workingtree_format is None:
1521
return self.transport.clone('checkout')
1523
workingtree_format.get_format_string()
1524
except NotImplementedError:
1525
raise errors.IncompatibleFormat(workingtree_format, self._format)
1527
self.transport.mkdir('checkout', mode=self._get_mkdir_mode())
1528
except errors.FileExists:
1530
return self.transport.clone('checkout')
1532
def needs_format_conversion(self, format=None):
1533
"""See BzrDir.needs_format_conversion()."""
1535
format = BzrDirFormat.get_default_format()
1536
if not isinstance(self._format, format.__class__):
1537
# it is not a meta dir format, conversion is needed.
1539
# we might want to push this down to the repository?
1541
if not isinstance(self.open_repository()._format,
1542
format.repository_format.__class__):
1543
# the repository needs an upgrade.
1545
except errors.NoRepositoryPresent:
1548
if not isinstance(self.open_branch()._format,
1549
format.get_branch_format().__class__):
1550
# the branch needs an upgrade.
1552
except errors.NotBranchError:
1555
my_wt = self.open_workingtree(recommend_upgrade=False)
1556
if not isinstance(my_wt._format,
1557
format.workingtree_format.__class__):
1558
# the workingtree needs an upgrade.
1560
except (errors.NoWorkingTree, errors.NotLocalUrl):
1564
def open_branch(self, unsupported=False):
1565
"""See BzrDir.open_branch."""
1566
format = self.find_branch_format()
1567
self._check_supported(format, unsupported)
1568
return format.open(self, _found=True)
1570
def open_repository(self, unsupported=False):
1571
"""See BzrDir.open_repository."""
1572
from bzrlib.repository import RepositoryFormat
1573
format = RepositoryFormat.find_format(self)
1574
self._check_supported(format, unsupported)
1575
return format.open(self, _found=True)
1577
def open_workingtree(self, unsupported=False,
1578
recommend_upgrade=True):
1579
"""See BzrDir.open_workingtree."""
1580
from bzrlib.workingtree import WorkingTreeFormat
1581
format = WorkingTreeFormat.find_format(self)
1582
self._check_supported(format, unsupported,
1584
basedir=self.root_transport.base)
1585
return format.open(self, _found=True)
1587
def _get_config(self):
1588
return config.BzrDirConfig(self.transport)
1591
class BzrDirFormat(object):
1592
"""An encapsulation of the initialization and open routines for a format.
1594
Formats provide three things:
1595
* An initialization routine,
1599
Formats are placed in a dict by their format string for reference
1600
during bzrdir opening. These should be subclasses of BzrDirFormat
1603
Once a format is deprecated, just deprecate the initialize and open
1604
methods on the format class. Do not deprecate the object, as the
1605
object will be created every system load.
1608
_default_format = None
1609
"""The default format used for new .bzr dirs."""
1612
"""The known formats."""
1614
_control_formats = []
1615
"""The registered control formats - .bzr, ....
1617
This is a list of BzrDirFormat objects.
1620
_control_server_formats = []
1621
"""The registered control server formats, e.g. RemoteBzrDirs.
1623
This is a list of BzrDirFormat objects.
1626
_lock_file_name = 'branch-lock'
1628
# _lock_class must be set in subclasses to the lock type, typ.
1629
# TransportLock or LockDir
1632
def find_format(klass, transport, _server_formats=True):
1633
"""Return the format present at transport."""
1635
formats = klass._control_server_formats + klass._control_formats
1637
formats = klass._control_formats
1638
for format in formats:
1640
return format.probe_transport(transport)
1641
except errors.NotBranchError:
1642
# this format does not find a control dir here.
1644
raise errors.NotBranchError(path=transport.base)
1647
def probe_transport(klass, transport):
1648
"""Return the .bzrdir style format present in a directory."""
1650
format_string = transport.get(".bzr/branch-format").read()
1651
except errors.NoSuchFile:
1652
raise errors.NotBranchError(path=transport.base)
1655
return klass._formats[format_string]
1657
raise errors.UnknownFormatError(format=format_string, kind='bzrdir')
1660
def get_default_format(klass):
1661
"""Return the current default format."""
1662
return klass._default_format
1664
def get_format_string(self):
1665
"""Return the ASCII format string that identifies this format."""
1666
raise NotImplementedError(self.get_format_string)
1668
def get_format_description(self):
1669
"""Return the short description for this format."""
1670
raise NotImplementedError(self.get_format_description)
1672
def get_converter(self, format=None):
1673
"""Return the converter to use to convert bzrdirs needing converts.
1675
This returns a bzrlib.bzrdir.Converter object.
1677
This should return the best upgrader to step this format towards the
1678
current default format. In the case of plugins we can/should provide
1679
some means for them to extend the range of returnable converters.
1681
:param format: Optional format to override the default format of the
1684
raise NotImplementedError(self.get_converter)
1686
def initialize(self, url, possible_transports=None):
1687
"""Create a bzr control dir at this url and return an opened copy.
1689
Subclasses should typically override initialize_on_transport
1690
instead of this method.
1692
return self.initialize_on_transport(get_transport(url,
1693
possible_transports))
1695
def initialize_on_transport(self, transport):
1696
"""Initialize a new bzrdir in the base directory of a Transport."""
1697
# Since we don't have a .bzr directory, inherit the
1698
# mode from the root directory
1699
temp_control = lockable_files.LockableFiles(transport,
1700
'', lockable_files.TransportLock)
1701
temp_control._transport.mkdir('.bzr',
1702
# FIXME: RBC 20060121 don't peek under
1704
mode=temp_control._dir_mode)
1705
if sys.platform == 'win32' and isinstance(transport, LocalTransport):
1706
win32utils.set_file_attr_hidden(transport._abspath('.bzr'))
1707
file_mode = temp_control._file_mode
1709
bzrdir_transport = transport.clone('.bzr')
1710
utf8_files = [('README',
1711
"This is a Bazaar control directory.\n"
1712
"Do not change any files in this directory.\n"
1713
"See http://bazaar-vcs.org/ for more information about Bazaar.\n"),
1714
('branch-format', self.get_format_string()),
1716
# NB: no need to escape relative paths that are url safe.
1717
control_files = lockable_files.LockableFiles(bzrdir_transport,
1718
self._lock_file_name, self._lock_class)
1719
control_files.create_lock()
1720
control_files.lock_write()
1722
for (filename, content) in utf8_files:
1723
bzrdir_transport.put_bytes(filename, content,
1726
control_files.unlock()
1727
return self.open(transport, _found=True)
1729
def is_supported(self):
1730
"""Is this format supported?
1732
Supported formats must be initializable and openable.
1733
Unsupported formats may not support initialization or committing or
1734
some other features depending on the reason for not being supported.
1738
def same_model(self, target_format):
1739
return (self.repository_format.rich_root_data ==
1740
target_format.rich_root_data)
1743
def known_formats(klass):
1744
"""Return all the known formats.
1746
Concrete formats should override _known_formats.
1748
# There is double indirection here to make sure that control
1749
# formats used by more than one dir format will only be probed
1750
# once. This can otherwise be quite expensive for remote connections.
1752
for format in klass._control_formats:
1753
result.update(format._known_formats())
1757
def _known_formats(klass):
1758
"""Return the known format instances for this control format."""
1759
return set(klass._formats.values())
1761
def open(self, transport, _found=False):
1762
"""Return an instance of this format for the dir transport points at.
1764
_found is a private parameter, do not use it.
1767
found_format = BzrDirFormat.find_format(transport)
1768
if not isinstance(found_format, self.__class__):
1769
raise AssertionError("%s was asked to open %s, but it seems to need "
1771
% (self, transport, found_format))
1772
return self._open(transport)
1774
def _open(self, transport):
1775
"""Template method helper for opening BzrDirectories.
1777
This performs the actual open and any additional logic or parameter
1780
raise NotImplementedError(self._open)
1783
def register_format(klass, format):
1784
klass._formats[format.get_format_string()] = format
1787
def register_control_format(klass, format):
1788
"""Register a format that does not use '.bzr' for its control dir.
1790
TODO: This should be pulled up into a 'ControlDirFormat' base class
1791
which BzrDirFormat can inherit from, and renamed to register_format
1792
there. It has been done without that for now for simplicity of
1795
klass._control_formats.append(format)
1798
def register_control_server_format(klass, format):
1799
"""Register a control format for client-server environments.
1801
These formats will be tried before ones registered with
1802
register_control_format. This gives implementations that decide to the
1803
chance to grab it before anything looks at the contents of the format
1806
klass._control_server_formats.append(format)
1809
def _set_default_format(klass, format):
1810
"""Set default format (for testing behavior of defaults only)"""
1811
klass._default_format = format
1815
return self.get_format_string().rstrip()
1818
def unregister_format(klass, format):
1819
del klass._formats[format.get_format_string()]
1822
def unregister_control_format(klass, format):
1823
klass._control_formats.remove(format)
1826
class BzrDirFormat4(BzrDirFormat):
1827
"""Bzr dir format 4.
1829
This format is a combined format for working tree, branch and repository.
1831
- Format 1 working trees [always]
1832
- Format 4 branches [always]
1833
- Format 4 repositories [always]
1835
This format is deprecated: it indexes texts using a text it which is
1836
removed in format 5; write support for this format has been removed.
1839
_lock_class = lockable_files.TransportLock
1841
def get_format_string(self):
1842
"""See BzrDirFormat.get_format_string()."""
1843
return "Bazaar-NG branch, format 0.0.4\n"
1845
def get_format_description(self):
1846
"""See BzrDirFormat.get_format_description()."""
1847
return "All-in-one format 4"
1849
def get_converter(self, format=None):
1850
"""See BzrDirFormat.get_converter()."""
1851
# there is one and only one upgrade path here.
1852
return ConvertBzrDir4To5()
1854
def initialize_on_transport(self, transport):
1855
"""Format 4 branches cannot be created."""
1856
raise errors.UninitializableFormat(self)
1858
def is_supported(self):
1859
"""Format 4 is not supported.
1861
It is not supported because the model changed from 4 to 5 and the
1862
conversion logic is expensive - so doing it on the fly was not
1867
def _open(self, transport):
1868
"""See BzrDirFormat._open."""
1869
return BzrDir4(transport, self)
1871
def __return_repository_format(self):
1872
"""Circular import protection."""
1873
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1874
return RepositoryFormat4()
1875
repository_format = property(__return_repository_format)
1878
class BzrDirFormat5(BzrDirFormat):
1879
"""Bzr control format 5.
1881
This format is a combined format for working tree, branch and repository.
1883
- Format 2 working trees [always]
1884
- Format 4 branches [always]
1885
- Format 5 repositories [always]
1886
Unhashed stores in the repository.
1889
_lock_class = lockable_files.TransportLock
1891
def get_format_string(self):
1892
"""See BzrDirFormat.get_format_string()."""
1893
return "Bazaar-NG branch, format 5\n"
1895
def get_branch_format(self):
1896
from bzrlib import branch
1897
return branch.BzrBranchFormat4()
1899
def get_format_description(self):
1900
"""See BzrDirFormat.get_format_description()."""
1901
return "All-in-one format 5"
1903
def get_converter(self, format=None):
1904
"""See BzrDirFormat.get_converter()."""
1905
# there is one and only one upgrade path here.
1906
return ConvertBzrDir5To6()
1908
def _initialize_for_clone(self, url):
1909
return self.initialize_on_transport(get_transport(url), _cloning=True)
1911
def initialize_on_transport(self, transport, _cloning=False):
1912
"""Format 5 dirs always have working tree, branch and repository.
1914
Except when they are being cloned.
1916
from bzrlib.branch import BzrBranchFormat4
1917
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1918
result = (super(BzrDirFormat5, self).initialize_on_transport(transport))
1919
RepositoryFormat5().initialize(result, _internal=True)
1921
branch = BzrBranchFormat4().initialize(result)
1922
result._init_workingtree()
1925
def _open(self, transport):
1926
"""See BzrDirFormat._open."""
1927
return BzrDir5(transport, self)
1929
def __return_repository_format(self):
1930
"""Circular import protection."""
1931
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1932
return RepositoryFormat5()
1933
repository_format = property(__return_repository_format)
1936
class BzrDirFormat6(BzrDirFormat):
1937
"""Bzr control format 6.
1939
This format is a combined format for working tree, branch and repository.
1941
- Format 2 working trees [always]
1942
- Format 4 branches [always]
1943
- Format 6 repositories [always]
1946
_lock_class = lockable_files.TransportLock
1948
def get_format_string(self):
1949
"""See BzrDirFormat.get_format_string()."""
1950
return "Bazaar-NG branch, format 6\n"
1952
def get_format_description(self):
1953
"""See BzrDirFormat.get_format_description()."""
1954
return "All-in-one format 6"
1956
def get_branch_format(self):
1957
from bzrlib import branch
1958
return branch.BzrBranchFormat4()
1960
def get_converter(self, format=None):
1961
"""See BzrDirFormat.get_converter()."""
1962
# there is one and only one upgrade path here.
1963
return ConvertBzrDir6ToMeta()
1965
def _initialize_for_clone(self, url):
1966
return self.initialize_on_transport(get_transport(url), _cloning=True)
1968
def initialize_on_transport(self, transport, _cloning=False):
1969
"""Format 6 dirs always have working tree, branch and repository.
1971
Except when they are being cloned.
1973
from bzrlib.branch import BzrBranchFormat4
1974
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1975
result = super(BzrDirFormat6, self).initialize_on_transport(transport)
1976
RepositoryFormat6().initialize(result, _internal=True)
1978
branch = BzrBranchFormat4().initialize(result)
1979
result._init_workingtree()
1982
def _open(self, transport):
1983
"""See BzrDirFormat._open."""
1984
return BzrDir6(transport, self)
1986
def __return_repository_format(self):
1987
"""Circular import protection."""
1988
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1989
return RepositoryFormat6()
1990
repository_format = property(__return_repository_format)
1993
class BzrDirMetaFormat1(BzrDirFormat):
1994
"""Bzr meta control format 1
1996
This is the first format with split out working tree, branch and repository
1999
- Format 3 working trees [optional]
2000
- Format 5 branches [optional]
2001
- Format 7 repositories [optional]
2004
_lock_class = lockdir.LockDir
2007
self._workingtree_format = None
2008
self._branch_format = None
2010
def __eq__(self, other):
2011
if other.__class__ is not self.__class__:
2013
if other.repository_format != self.repository_format:
2015
if other.workingtree_format != self.workingtree_format:
2019
def __ne__(self, other):
2020
return not self == other
2022
def get_branch_format(self):
2023
if self._branch_format is None:
2024
from bzrlib.branch import BranchFormat
2025
self._branch_format = BranchFormat.get_default_format()
2026
return self._branch_format
2028
def set_branch_format(self, format):
2029
self._branch_format = format
2031
def get_converter(self, format=None):
2032
"""See BzrDirFormat.get_converter()."""
2034
format = BzrDirFormat.get_default_format()
2035
if not isinstance(self, format.__class__):
2036
# converting away from metadir is not implemented
2037
raise NotImplementedError(self.get_converter)
2038
return ConvertMetaToMeta(format)
2040
def get_format_string(self):
2041
"""See BzrDirFormat.get_format_string()."""
2042
return "Bazaar-NG meta directory, format 1\n"
2044
def get_format_description(self):
2045
"""See BzrDirFormat.get_format_description()."""
2046
return "Meta directory format 1"
2048
def _open(self, transport):
2049
"""See BzrDirFormat._open."""
2050
return BzrDirMeta1(transport, self)
2052
def __return_repository_format(self):
2053
"""Circular import protection."""
2054
if getattr(self, '_repository_format', None):
2055
return self._repository_format
2056
from bzrlib.repository import RepositoryFormat
2057
return RepositoryFormat.get_default_format()
2059
def __set_repository_format(self, value):
2060
"""Allow changing the repository format for metadir formats."""
2061
self._repository_format = value
2063
repository_format = property(__return_repository_format, __set_repository_format)
2065
def __get_workingtree_format(self):
2066
if self._workingtree_format is None:
2067
from bzrlib.workingtree import WorkingTreeFormat
2068
self._workingtree_format = WorkingTreeFormat.get_default_format()
2069
return self._workingtree_format
2071
def __set_workingtree_format(self, wt_format):
2072
self._workingtree_format = wt_format
2074
workingtree_format = property(__get_workingtree_format,
2075
__set_workingtree_format)
2078
# Register bzr control format
2079
BzrDirFormat.register_control_format(BzrDirFormat)
2081
# Register bzr formats
2082
BzrDirFormat.register_format(BzrDirFormat4())
2083
BzrDirFormat.register_format(BzrDirFormat5())
2084
BzrDirFormat.register_format(BzrDirFormat6())
2085
__default_format = BzrDirMetaFormat1()
2086
BzrDirFormat.register_format(__default_format)
2087
BzrDirFormat._default_format = __default_format
2090
class Converter(object):
2091
"""Converts a disk format object from one format to another."""
2093
def convert(self, to_convert, pb):
2094
"""Perform the conversion of to_convert, giving feedback via pb.
2096
:param to_convert: The disk object to convert.
2097
:param pb: a progress bar to use for progress information.
2100
def step(self, message):
2101
"""Update the pb by a step."""
2103
self.pb.update(message, self.count, self.total)
2106
class ConvertBzrDir4To5(Converter):
2107
"""Converts format 4 bzr dirs to format 5."""
2110
super(ConvertBzrDir4To5, self).__init__()
2111
self.converted_revs = set()
2112
self.absent_revisions = set()
2116
def convert(self, to_convert, pb):
2117
"""See Converter.convert()."""
2118
self.bzrdir = to_convert
2120
self.pb.note('starting upgrade from format 4 to 5')
2121
if isinstance(self.bzrdir.transport, LocalTransport):
2122
self.bzrdir.get_workingtree_transport(None).delete('stat-cache')
2123
self._convert_to_weaves()
2124
return BzrDir.open(self.bzrdir.root_transport.base)
2126
def _convert_to_weaves(self):
2127
self.pb.note('note: upgrade may be faster if all store files are ungzipped first')
2130
stat = self.bzrdir.transport.stat('weaves')
2131
if not S_ISDIR(stat.st_mode):
2132
self.bzrdir.transport.delete('weaves')
2133
self.bzrdir.transport.mkdir('weaves')
2134
except errors.NoSuchFile:
2135
self.bzrdir.transport.mkdir('weaves')
2136
# deliberately not a WeaveFile as we want to build it up slowly.
2137
self.inv_weave = Weave('inventory')
2138
# holds in-memory weaves for all files
2139
self.text_weaves = {}
2140
self.bzrdir.transport.delete('branch-format')
2141
self.branch = self.bzrdir.open_branch()
2142
self._convert_working_inv()
2143
rev_history = self.branch.revision_history()
2144
# to_read is a stack holding the revisions we still need to process;
2145
# appending to it adds new highest-priority revisions
2146
self.known_revisions = set(rev_history)
2147
self.to_read = rev_history[-1:]
2149
rev_id = self.to_read.pop()
2150
if (rev_id not in self.revisions
2151
and rev_id not in self.absent_revisions):
2152
self._load_one_rev(rev_id)
2154
to_import = self._make_order()
2155
for i, rev_id in enumerate(to_import):
2156
self.pb.update('converting revision', i, len(to_import))
2157
self._convert_one_rev(rev_id)
2159
self._write_all_weaves()
2160
self._write_all_revs()
2161
self.pb.note('upgraded to weaves:')
2162
self.pb.note(' %6d revisions and inventories', len(self.revisions))
2163
self.pb.note(' %6d revisions not present', len(self.absent_revisions))
2164
self.pb.note(' %6d texts', self.text_count)
2165
self._cleanup_spare_files_after_format4()
2166
self.branch._transport.put_bytes(
2168
BzrDirFormat5().get_format_string(),
2169
mode=self.bzrdir._get_file_mode())
2171
def _cleanup_spare_files_after_format4(self):
2172
# FIXME working tree upgrade foo.
2173
for n in 'merged-patches', 'pending-merged-patches':
2175
## assert os.path.getsize(p) == 0
2176
self.bzrdir.transport.delete(n)
2177
except errors.NoSuchFile:
2179
self.bzrdir.transport.delete_tree('inventory-store')
2180
self.bzrdir.transport.delete_tree('text-store')
2182
def _convert_working_inv(self):
2183
inv = xml4.serializer_v4.read_inventory(
2184
self.branch._transport.get('inventory'))
2185
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv, working=True)
2186
self.branch._transport.put_bytes('inventory', new_inv_xml,
2187
mode=self.bzrdir._get_file_mode())
2189
def _write_all_weaves(self):
2190
controlweaves = WeaveStore(self.bzrdir.transport, prefixed=False)
2191
weave_transport = self.bzrdir.transport.clone('weaves')
2192
weaves = WeaveStore(weave_transport, prefixed=False)
2193
transaction = WriteTransaction()
2197
for file_id, file_weave in self.text_weaves.items():
2198
self.pb.update('writing weave', i, len(self.text_weaves))
2199
weaves._put_weave(file_id, file_weave, transaction)
2201
self.pb.update('inventory', 0, 1)
2202
controlweaves._put_weave('inventory', self.inv_weave, transaction)
2203
self.pb.update('inventory', 1, 1)
2207
def _write_all_revs(self):
2208
"""Write all revisions out in new form."""
2209
self.bzrdir.transport.delete_tree('revision-store')
2210
self.bzrdir.transport.mkdir('revision-store')
2211
revision_transport = self.bzrdir.transport.clone('revision-store')
2213
from bzrlib.xml5 import serializer_v5
2214
from bzrlib.repofmt.weaverepo import RevisionTextStore
2215
revision_store = RevisionTextStore(revision_transport,
2216
serializer_v5, False, versionedfile.PrefixMapper(),
2217
lambda:True, lambda:True)
2219
for i, rev_id in enumerate(self.converted_revs):
2220
self.pb.update('write revision', i, len(self.converted_revs))
2221
text = serializer_v5.write_revision_to_string(
2222
self.revisions[rev_id])
2224
revision_store.add_lines(key, None, osutils.split_lines(text))
2228
def _load_one_rev(self, rev_id):
2229
"""Load a revision object into memory.
2231
Any parents not either loaded or abandoned get queued to be
2233
self.pb.update('loading revision',
2234
len(self.revisions),
2235
len(self.known_revisions))
2236
if not self.branch.repository.has_revision(rev_id):
2238
self.pb.note('revision {%s} not present in branch; '
2239
'will be converted as a ghost',
2241
self.absent_revisions.add(rev_id)
2243
rev = self.branch.repository.get_revision(rev_id)
2244
for parent_id in rev.parent_ids:
2245
self.known_revisions.add(parent_id)
2246
self.to_read.append(parent_id)
2247
self.revisions[rev_id] = rev
2249
def _load_old_inventory(self, rev_id):
2250
old_inv_xml = self.branch.repository.inventory_store.get(rev_id).read()
2251
inv = xml4.serializer_v4.read_inventory_from_string(old_inv_xml)
2252
inv.revision_id = rev_id
2253
rev = self.revisions[rev_id]
2256
def _load_updated_inventory(self, rev_id):
2257
inv_xml = self.inv_weave.get_text(rev_id)
2258
inv = xml5.serializer_v5.read_inventory_from_string(inv_xml, rev_id)
2261
def _convert_one_rev(self, rev_id):
2262
"""Convert revision and all referenced objects to new format."""
2263
rev = self.revisions[rev_id]
2264
inv = self._load_old_inventory(rev_id)
2265
present_parents = [p for p in rev.parent_ids
2266
if p not in self.absent_revisions]
2267
self._convert_revision_contents(rev, inv, present_parents)
2268
self._store_new_inv(rev, inv, present_parents)
2269
self.converted_revs.add(rev_id)
2271
def _store_new_inv(self, rev, inv, present_parents):
2272
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
2273
new_inv_sha1 = sha_string(new_inv_xml)
2274
self.inv_weave.add_lines(rev.revision_id,
2276
new_inv_xml.splitlines(True))
2277
rev.inventory_sha1 = new_inv_sha1
2279
def _convert_revision_contents(self, rev, inv, present_parents):
2280
"""Convert all the files within a revision.
2282
Also upgrade the inventory to refer to the text revision ids."""
2283
rev_id = rev.revision_id
2284
mutter('converting texts of revision {%s}',
2286
parent_invs = map(self._load_updated_inventory, present_parents)
2287
entries = inv.iter_entries()
2289
for path, ie in entries:
2290
self._convert_file_version(rev, ie, parent_invs)
2292
def _convert_file_version(self, rev, ie, parent_invs):
2293
"""Convert one version of one file.
2295
The file needs to be added into the weave if it is a merge
2296
of >=2 parents or if it's changed from its parent.
2298
file_id = ie.file_id
2299
rev_id = rev.revision_id
2300
w = self.text_weaves.get(file_id)
2303
self.text_weaves[file_id] = w
2304
text_changed = False
2305
parent_candiate_entries = ie.parent_candidates(parent_invs)
2306
heads = graph.Graph(self).heads(parent_candiate_entries.keys())
2307
# XXX: Note that this is unordered - and this is tolerable because
2308
# the previous code was also unordered.
2309
previous_entries = dict((head, parent_candiate_entries[head]) for head
2311
self.snapshot_ie(previous_entries, ie, w, rev_id)
2314
@symbol_versioning.deprecated_method(symbol_versioning.one_one)
2315
def get_parents(self, revision_ids):
2316
for revision_id in revision_ids:
2317
yield self.revisions[revision_id].parent_ids
2319
def get_parent_map(self, revision_ids):
2320
"""See graph._StackedParentsProvider.get_parent_map"""
2321
return dict((revision_id, self.revisions[revision_id])
2322
for revision_id in revision_ids
2323
if revision_id in self.revisions)
2325
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
2326
# TODO: convert this logic, which is ~= snapshot to
2327
# a call to:. This needs the path figured out. rather than a work_tree
2328
# a v4 revision_tree can be given, or something that looks enough like
2329
# one to give the file content to the entry if it needs it.
2330
# and we need something that looks like a weave store for snapshot to
2332
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
2333
if len(previous_revisions) == 1:
2334
previous_ie = previous_revisions.values()[0]
2335
if ie._unchanged(previous_ie):
2336
ie.revision = previous_ie.revision
2339
text = self.branch.repository._text_store.get(ie.text_id)
2340
file_lines = text.readlines()
2341
w.add_lines(rev_id, previous_revisions, file_lines)
2342
self.text_count += 1
2344
w.add_lines(rev_id, previous_revisions, [])
2345
ie.revision = rev_id
2347
def _make_order(self):
2348
"""Return a suitable order for importing revisions.
2350
The order must be such that an revision is imported after all
2351
its (present) parents.
2353
todo = set(self.revisions.keys())
2354
done = self.absent_revisions.copy()
2357
# scan through looking for a revision whose parents
2359
for rev_id in sorted(list(todo)):
2360
rev = self.revisions[rev_id]
2361
parent_ids = set(rev.parent_ids)
2362
if parent_ids.issubset(done):
2363
# can take this one now
2364
order.append(rev_id)
2370
class ConvertBzrDir5To6(Converter):
2371
"""Converts format 5 bzr dirs to format 6."""
2373
def convert(self, to_convert, pb):
2374
"""See Converter.convert()."""
2375
self.bzrdir = to_convert
2377
self.pb.note('starting upgrade from format 5 to 6')
2378
self._convert_to_prefixed()
2379
return BzrDir.open(self.bzrdir.root_transport.base)
2381
def _convert_to_prefixed(self):
2382
from bzrlib.store import TransportStore
2383
self.bzrdir.transport.delete('branch-format')
2384
for store_name in ["weaves", "revision-store"]:
2385
self.pb.note("adding prefixes to %s" % store_name)
2386
store_transport = self.bzrdir.transport.clone(store_name)
2387
store = TransportStore(store_transport, prefixed=True)
2388
for urlfilename in store_transport.list_dir('.'):
2389
filename = urlutils.unescape(urlfilename)
2390
if (filename.endswith(".weave") or
2391
filename.endswith(".gz") or
2392
filename.endswith(".sig")):
2393
file_id, suffix = os.path.splitext(filename)
2397
new_name = store._mapper.map((file_id,)) + suffix
2398
# FIXME keep track of the dirs made RBC 20060121
2400
store_transport.move(filename, new_name)
2401
except errors.NoSuchFile: # catches missing dirs strangely enough
2402
store_transport.mkdir(osutils.dirname(new_name))
2403
store_transport.move(filename, new_name)
2404
self.bzrdir.transport.put_bytes(
2406
BzrDirFormat6().get_format_string(),
2407
mode=self.bzrdir._get_file_mode())
2410
class ConvertBzrDir6ToMeta(Converter):
2411
"""Converts format 6 bzr dirs to metadirs."""
2413
def convert(self, to_convert, pb):
2414
"""See Converter.convert()."""
2415
from bzrlib.repofmt.weaverepo import RepositoryFormat7
2416
from bzrlib.branch import BzrBranchFormat5
2417
self.bzrdir = to_convert
2420
self.total = 20 # the steps we know about
2421
self.garbage_inventories = []
2422
self.dir_mode = self.bzrdir._get_dir_mode()
2423
self.file_mode = self.bzrdir._get_file_mode()
2425
self.pb.note('starting upgrade from format 6 to metadir')
2426
self.bzrdir.transport.put_bytes(
2428
"Converting to format 6",
2429
mode=self.file_mode)
2430
# its faster to move specific files around than to open and use the apis...
2431
# first off, nuke ancestry.weave, it was never used.
2433
self.step('Removing ancestry.weave')
2434
self.bzrdir.transport.delete('ancestry.weave')
2435
except errors.NoSuchFile:
2437
# find out whats there
2438
self.step('Finding branch files')
2439
last_revision = self.bzrdir.open_branch().last_revision()
2440
bzrcontents = self.bzrdir.transport.list_dir('.')
2441
for name in bzrcontents:
2442
if name.startswith('basis-inventory.'):
2443
self.garbage_inventories.append(name)
2444
# create new directories for repository, working tree and branch
2445
repository_names = [('inventory.weave', True),
2446
('revision-store', True),
2448
self.step('Upgrading repository ')
2449
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
2450
self.make_lock('repository')
2451
# we hard code the formats here because we are converting into
2452
# the meta format. The meta format upgrader can take this to a
2453
# future format within each component.
2454
self.put_format('repository', RepositoryFormat7())
2455
for entry in repository_names:
2456
self.move_entry('repository', entry)
2458
self.step('Upgrading branch ')
2459
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
2460
self.make_lock('branch')
2461
self.put_format('branch', BzrBranchFormat5())
2462
branch_files = [('revision-history', True),
2463
('branch-name', True),
2465
for entry in branch_files:
2466
self.move_entry('branch', entry)
2468
checkout_files = [('pending-merges', True),
2469
('inventory', True),
2470
('stat-cache', False)]
2471
# If a mandatory checkout file is not present, the branch does not have
2472
# a functional checkout. Do not create a checkout in the converted
2474
for name, mandatory in checkout_files:
2475
if mandatory and name not in bzrcontents:
2476
has_checkout = False
2480
if not has_checkout:
2481
self.pb.note('No working tree.')
2482
# If some checkout files are there, we may as well get rid of them.
2483
for name, mandatory in checkout_files:
2484
if name in bzrcontents:
2485
self.bzrdir.transport.delete(name)
2487
from bzrlib.workingtree import WorkingTreeFormat3
2488
self.step('Upgrading working tree')
2489
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
2490
self.make_lock('checkout')
2492
'checkout', WorkingTreeFormat3())
2493
self.bzrdir.transport.delete_multi(
2494
self.garbage_inventories, self.pb)
2495
for entry in checkout_files:
2496
self.move_entry('checkout', entry)
2497
if last_revision is not None:
2498
self.bzrdir.transport.put_bytes(
2499
'checkout/last-revision', last_revision)
2500
self.bzrdir.transport.put_bytes(
2502
BzrDirMetaFormat1().get_format_string(),
2503
mode=self.file_mode)
2504
return BzrDir.open(self.bzrdir.root_transport.base)
2506
def make_lock(self, name):
2507
"""Make a lock for the new control dir name."""
2508
self.step('Make %s lock' % name)
2509
ld = lockdir.LockDir(self.bzrdir.transport,
2511
file_modebits=self.file_mode,
2512
dir_modebits=self.dir_mode)
2515
def move_entry(self, new_dir, entry):
2516
"""Move then entry name into new_dir."""
2518
mandatory = entry[1]
2519
self.step('Moving %s' % name)
2521
self.bzrdir.transport.move(name, '%s/%s' % (new_dir, name))
2522
except errors.NoSuchFile:
2526
def put_format(self, dirname, format):
2527
self.bzrdir.transport.put_bytes('%s/format' % dirname,
2528
format.get_format_string(),
2532
class ConvertMetaToMeta(Converter):
2533
"""Converts the components of metadirs."""
2535
def __init__(self, target_format):
2536
"""Create a metadir to metadir converter.
2538
:param target_format: The final metadir format that is desired.
2540
self.target_format = target_format
2542
def convert(self, to_convert, pb):
2543
"""See Converter.convert()."""
2544
self.bzrdir = to_convert
2548
self.step('checking repository format')
2550
repo = self.bzrdir.open_repository()
2551
except errors.NoRepositoryPresent:
2554
if not isinstance(repo._format, self.target_format.repository_format.__class__):
2555
from bzrlib.repository import CopyConverter
2556
self.pb.note('starting repository conversion')
2557
converter = CopyConverter(self.target_format.repository_format)
2558
converter.convert(repo, pb)
2560
branch = self.bzrdir.open_branch()
2561
except errors.NotBranchError:
2564
# TODO: conversions of Branch and Tree should be done by
2565
# InterXFormat lookups/some sort of registry.
2566
# Avoid circular imports
2567
from bzrlib import branch as _mod_branch
2568
old = branch._format.__class__
2569
new = self.target_format.get_branch_format().__class__
2571
if (old == _mod_branch.BzrBranchFormat5 and
2572
new in (_mod_branch.BzrBranchFormat6,
2573
_mod_branch.BzrBranchFormat7)):
2574
branch_converter = _mod_branch.Converter5to6()
2575
elif (old == _mod_branch.BzrBranchFormat6 and
2576
new == _mod_branch.BzrBranchFormat7):
2577
branch_converter = _mod_branch.Converter6to7()
2579
raise errors.BadConversionTarget("No converter", new)
2580
branch_converter.convert(branch)
2581
branch = self.bzrdir.open_branch()
2582
old = branch._format.__class__
2584
tree = self.bzrdir.open_workingtree(recommend_upgrade=False)
2585
except (errors.NoWorkingTree, errors.NotLocalUrl):
2588
# TODO: conversions of Branch and Tree should be done by
2589
# InterXFormat lookups
2590
if (isinstance(tree, workingtree.WorkingTree3) and
2591
not isinstance(tree, workingtree_4.WorkingTree4) and
2592
isinstance(self.target_format.workingtree_format,
2593
workingtree_4.WorkingTreeFormat4)):
2594
workingtree_4.Converter3to4().convert(tree)
2598
# This is not in remote.py because it's small, and needs to be registered.
2599
# Putting it in remote.py creates a circular import problem.
2600
# we can make it a lazy object if the control formats is turned into something
2602
class RemoteBzrDirFormat(BzrDirMetaFormat1):
2603
"""Format representing bzrdirs accessed via a smart server"""
2605
def get_format_description(self):
2606
return 'bzr remote bzrdir'
2609
def probe_transport(klass, transport):
2610
"""Return a RemoteBzrDirFormat object if it looks possible."""
2612
medium = transport.get_smart_medium()
2613
except (NotImplementedError, AttributeError,
2614
errors.TransportNotPossible, errors.NoSmartMedium,
2615
errors.SmartProtocolError):
2616
# no smart server, so not a branch for this format type.
2617
raise errors.NotBranchError(path=transport.base)
2619
# Decline to open it if the server doesn't support our required
2620
# version (3) so that the VFS-based transport will do it.
2621
if medium.should_probe():
2623
server_version = medium.protocol_version()
2624
except errors.SmartProtocolError:
2625
# Apparently there's no usable smart server there, even though
2626
# the medium supports the smart protocol.
2627
raise errors.NotBranchError(path=transport.base)
2628
if server_version != '2':
2629
raise errors.NotBranchError(path=transport.base)
2632
def initialize_on_transport(self, transport):
2634
# hand off the request to the smart server
2635
client_medium = transport.get_smart_medium()
2636
except errors.NoSmartMedium:
2637
# TODO: lookup the local format from a server hint.
2638
local_dir_format = BzrDirMetaFormat1()
2639
return local_dir_format.initialize_on_transport(transport)
2640
client = _SmartClient(client_medium)
2641
path = client.remote_path_from_transport(transport)
2642
response = client.call('BzrDirFormat.initialize', path)
2643
if response[0] != 'ok':
2644
raise errors.SmartProtocolError('unexpected response code %s' % (response,))
2645
return remote.RemoteBzrDir(transport)
2647
def _open(self, transport):
2648
return remote.RemoteBzrDir(transport)
2650
def __eq__(self, other):
2651
if not isinstance(other, RemoteBzrDirFormat):
2653
return self.get_format_description() == other.get_format_description()
2656
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
2659
class BzrDirFormatInfo(object):
2661
def __init__(self, native, deprecated, hidden, experimental):
2662
self.deprecated = deprecated
2663
self.native = native
2664
self.hidden = hidden
2665
self.experimental = experimental
2668
class BzrDirFormatRegistry(registry.Registry):
2669
"""Registry of user-selectable BzrDir subformats.
2671
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
2672
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
2676
"""Create a BzrDirFormatRegistry."""
2677
self._aliases = set()
2678
super(BzrDirFormatRegistry, self).__init__()
2681
"""Return a set of the format names which are aliases."""
2682
return frozenset(self._aliases)
2684
def register_metadir(self, key,
2685
repository_format, help, native=True, deprecated=False,
2691
"""Register a metadir subformat.
2693
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2694
by the Repository format.
2696
:param repository_format: The fully-qualified repository format class
2698
:param branch_format: Fully-qualified branch format class name as
2700
:param tree_format: Fully-qualified tree format class name as
2703
# This should be expanded to support setting WorkingTree and Branch
2704
# formats, once BzrDirMetaFormat1 supports that.
2705
def _load(full_name):
2706
mod_name, factory_name = full_name.rsplit('.', 1)
2708
mod = __import__(mod_name, globals(), locals(),
2710
except ImportError, e:
2711
raise ImportError('failed to load %s: %s' % (full_name, e))
2713
factory = getattr(mod, factory_name)
2714
except AttributeError:
2715
raise AttributeError('no factory %s in module %r'
2720
bd = BzrDirMetaFormat1()
2721
if branch_format is not None:
2722
bd.set_branch_format(_load(branch_format))
2723
if tree_format is not None:
2724
bd.workingtree_format = _load(tree_format)
2725
if repository_format is not None:
2726
bd.repository_format = _load(repository_format)
2728
self.register(key, helper, help, native, deprecated, hidden,
2729
experimental, alias)
2731
def register(self, key, factory, help, native=True, deprecated=False,
2732
hidden=False, experimental=False, alias=False):
2733
"""Register a BzrDirFormat factory.
2735
The factory must be a callable that takes one parameter: the key.
2736
It must produce an instance of the BzrDirFormat when called.
2738
This function mainly exists to prevent the info object from being
2741
registry.Registry.register(self, key, factory, help,
2742
BzrDirFormatInfo(native, deprecated, hidden, experimental))
2744
self._aliases.add(key)
2746
def register_lazy(self, key, module_name, member_name, help, native=True,
2747
deprecated=False, hidden=False, experimental=False, alias=False):
2748
registry.Registry.register_lazy(self, key, module_name, member_name,
2749
help, BzrDirFormatInfo(native, deprecated, hidden, experimental))
2751
self._aliases.add(key)
2753
def set_default(self, key):
2754
"""Set the 'default' key to be a clone of the supplied key.
2756
This method must be called once and only once.
2758
registry.Registry.register(self, 'default', self.get(key),
2759
self.get_help(key), info=self.get_info(key))
2760
self._aliases.add('default')
2762
def set_default_repository(self, key):
2763
"""Set the FormatRegistry default and Repository default.
2765
This is a transitional method while Repository.set_default_format
2768
if 'default' in self:
2769
self.remove('default')
2770
self.set_default(key)
2771
format = self.get('default')()
2773
def make_bzrdir(self, key):
2774
return self.get(key)()
2776
def help_topic(self, topic):
2777
output = textwrap.dedent("""\
2778
These formats can be used for creating branches, working trees, and
2782
default_realkey = None
2783
default_help = self.get_help('default')
2785
for key in self.keys():
2786
if key == 'default':
2788
help = self.get_help(key)
2789
if help == default_help:
2790
default_realkey = key
2792
help_pairs.append((key, help))
2794
def wrapped(key, help, info):
2796
help = '(native) ' + help
2797
return ':%s:\n%s\n\n' % (key,
2798
textwrap.fill(help, initial_indent=' ',
2799
subsequent_indent=' '))
2800
if default_realkey is not None:
2801
output += wrapped(default_realkey, '(default) %s' % default_help,
2802
self.get_info('default'))
2803
deprecated_pairs = []
2804
experimental_pairs = []
2805
for key, help in help_pairs:
2806
info = self.get_info(key)
2809
elif info.deprecated:
2810
deprecated_pairs.append((key, help))
2811
elif info.experimental:
2812
experimental_pairs.append((key, help))
2814
output += wrapped(key, help, info)
2815
if len(experimental_pairs) > 0:
2816
output += "Experimental formats are shown below.\n\n"
2817
for key, help in experimental_pairs:
2818
info = self.get_info(key)
2819
output += wrapped(key, help, info)
2820
if len(deprecated_pairs) > 0:
2821
output += "Deprecated formats are shown below.\n\n"
2822
for key, help in deprecated_pairs:
2823
info = self.get_info(key)
2824
output += wrapped(key, help, info)
2829
class RepositoryAcquisitionPolicy(object):
2830
"""Abstract base class for repository acquisition policies.
2832
A repository acquisition policy decides how a BzrDir acquires a repository
2833
for a branch that is being created. The most basic policy decision is
2834
whether to create a new repository or use an existing one.
2836
def __init__(self, stack_on, stack_on_pwd, require_stacking):
2839
:param stack_on: A location to stack on
2840
:param stack_on_pwd: If stack_on is relative, the location it is
2842
:param require_stacking: If True, it is a failure to not stack.
2844
self._stack_on = stack_on
2845
self._stack_on_pwd = stack_on_pwd
2846
self._require_stacking = require_stacking
2848
def configure_branch(self, branch):
2849
"""Apply any configuration data from this policy to the branch.
2851
Default implementation sets repository stacking.
2853
if self._stack_on is None:
2855
if self._stack_on_pwd is None:
2856
stack_on = self._stack_on
2859
stack_on = urlutils.rebase_url(self._stack_on,
2861
branch.bzrdir.root_transport.base)
2862
except errors.InvalidRebaseURLs:
2863
stack_on = self._get_full_stack_on()
2865
branch.set_stacked_on_url(stack_on)
2866
except errors.UnstackableBranchFormat:
2867
if self._require_stacking:
2870
def _get_full_stack_on(self):
2871
"""Get a fully-qualified URL for the stack_on location."""
2872
if self._stack_on is None:
2874
if self._stack_on_pwd is None:
2875
return self._stack_on
2877
return urlutils.join(self._stack_on_pwd, self._stack_on)
2879
def _add_fallback(self, repository):
2880
"""Add a fallback to the supplied repository, if stacking is set."""
2881
stack_on = self._get_full_stack_on()
2882
if stack_on is None:
2884
stacked_dir = BzrDir.open(stack_on)
2886
stacked_repo = stacked_dir.open_branch().repository
2887
except errors.NotBranchError:
2888
stacked_repo = stacked_dir.open_repository()
2890
repository.add_fallback_repository(stacked_repo)
2891
except errors.UnstackableRepositoryFormat:
2892
if self._require_stacking:
2895
def acquire_repository(self, make_working_trees=None, shared=False):
2896
"""Acquire a repository for this bzrdir.
2898
Implementations may create a new repository or use a pre-exising
2900
:param make_working_trees: If creating a repository, set
2901
make_working_trees to this value (if non-None)
2902
:param shared: If creating a repository, make it shared if True
2903
:return: A repository
2905
raise NotImplemented(RepositoryAcquisitionPolicy.acquire_repository)
2908
class CreateRepository(RepositoryAcquisitionPolicy):
2909
"""A policy of creating a new repository"""
2911
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
2912
require_stacking=False):
2915
:param bzrdir: The bzrdir to create the repository on.
2916
:param stack_on: A location to stack on
2917
:param stack_on_pwd: If stack_on is relative, the location it is
2920
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2922
self._bzrdir = bzrdir
2924
def acquire_repository(self, make_working_trees=None, shared=False):
2925
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2927
Creates the desired repository in the bzrdir we already have.
2929
repository = self._bzrdir.create_repository(shared=shared)
2930
self._add_fallback(repository)
2931
if make_working_trees is not None:
2932
repository.set_make_working_trees(make_working_trees)
2936
class UseExistingRepository(RepositoryAcquisitionPolicy):
2937
"""A policy of reusing an existing repository"""
2939
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
2940
require_stacking=False):
2943
:param repository: The repository to use.
2944
:param stack_on: A location to stack on
2945
:param stack_on_pwd: If stack_on is relative, the location it is
2948
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2950
self._repository = repository
2952
def acquire_repository(self, make_working_trees=None, shared=False):
2953
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2955
Returns an existing repository to use
2957
self._add_fallback(self._repository)
2958
return self._repository
2961
format_registry = BzrDirFormatRegistry()
2962
format_registry.register('weave', BzrDirFormat6,
2963
'Pre-0.8 format. Slower than knit and does not'
2964
' support checkouts or shared repositories.',
2966
format_registry.register_metadir('knit',
2967
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2968
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
2969
branch_format='bzrlib.branch.BzrBranchFormat5',
2970
tree_format='bzrlib.workingtree.WorkingTreeFormat3')
2971
format_registry.register_metadir('metaweave',
2972
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
2973
'Transitional format in 0.8. Slower than knit.',
2974
branch_format='bzrlib.branch.BzrBranchFormat5',
2975
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
2977
format_registry.register_metadir('dirstate',
2978
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2979
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
2980
'above when accessed over the network.',
2981
branch_format='bzrlib.branch.BzrBranchFormat5',
2982
# this uses bzrlib.workingtree.WorkingTreeFormat4 because importing
2983
# directly from workingtree_4 triggers a circular import.
2984
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2986
format_registry.register_metadir('dirstate-tags',
2987
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2988
help='New in 0.15: Fast local operations and improved scaling for '
2989
'network operations. Additionally adds support for tags.'
2990
' Incompatible with bzr < 0.15.',
2991
branch_format='bzrlib.branch.BzrBranchFormat6',
2992
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2994
format_registry.register_metadir('rich-root',
2995
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
2996
help='New in 1.0. Better handling of tree roots. Incompatible with'
2998
branch_format='bzrlib.branch.BzrBranchFormat6',
2999
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3001
format_registry.register_metadir('dirstate-with-subtree',
3002
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
3003
help='New in 0.15: Fast local operations and improved scaling for '
3004
'network operations. Additionally adds support for versioning nested '
3005
'bzr branches. Incompatible with bzr < 0.15.',
3006
branch_format='bzrlib.branch.BzrBranchFormat6',
3007
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3011
format_registry.register_metadir('pack-0.92',
3012
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack1',
3013
help='New in 0.92: Pack-based format with data compatible with '
3014
'dirstate-tags format repositories. Interoperates with '
3015
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3016
'Previously called knitpack-experimental. '
3017
'For more information, see '
3018
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3019
branch_format='bzrlib.branch.BzrBranchFormat6',
3020
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3022
format_registry.register_metadir('pack-0.92-subtree',
3023
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack3',
3024
help='New in 0.92: Pack-based format with data compatible with '
3025
'dirstate-with-subtree format repositories. Interoperates with '
3026
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3027
'Previously called knitpack-experimental. '
3028
'For more information, see '
3029
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3030
branch_format='bzrlib.branch.BzrBranchFormat6',
3031
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3035
format_registry.register_metadir('rich-root-pack',
3036
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack4',
3037
help='New in 1.0: Pack-based format with data compatible with '
3038
'rich-root format repositories. Incompatible with'
3040
branch_format='bzrlib.branch.BzrBranchFormat6',
3041
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3043
format_registry.register_metadir('1.6',
3044
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5',
3045
help='A branch and pack based repository that supports stacking. ',
3046
branch_format='bzrlib.branch.BzrBranchFormat7',
3047
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3049
format_registry.register_metadir('1.6.1-rich-root',
3050
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5RichRoot',
3051
help='A branch and pack based repository that supports stacking '
3052
'and rich root data (needed for bzr-svn). ',
3053
branch_format='bzrlib.branch.BzrBranchFormat7',
3054
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3056
# The following two formats should always just be aliases.
3057
format_registry.register_metadir('development',
3058
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2',
3059
help='Current development format. Can convert data to and from pack-0.92 '
3060
'(and anything compatible with pack-0.92) format repositories. '
3061
'Repositories and branches in this format can only be read by bzr.dev. '
3063
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3065
branch_format='bzrlib.branch.BzrBranchFormat7',
3066
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3070
format_registry.register_metadir('development-subtree',
3071
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2Subtree',
3072
help='Current development format, subtree variant. Can convert data to and '
3073
'from pack-0.92-subtree (and anything compatible with '
3074
'pack-0.92-subtree) format repositories. Repositories and branches in '
3075
'this format can only be read by bzr.dev. Please read '
3076
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3078
branch_format='bzrlib.branch.BzrBranchFormat7',
3079
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3083
# And the development formats above will have aliased one of the following:
3084
format_registry.register_metadir('development2',
3085
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2',
3086
help='1.6.1 with B+Tree based index. '
3088
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3090
branch_format='bzrlib.branch.BzrBranchFormat7',
3091
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3095
format_registry.register_metadir('development2-subtree',
3096
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2Subtree',
3097
help='1.6.1-subtree with B+Tree based index. '
3099
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3101
branch_format='bzrlib.branch.BzrBranchFormat7',
3102
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3106
# The current format that is made on 'bzr init'.
3107
format_registry.set_default('pack-0.92')
added
removed
bzrlib/bzrdir.py
