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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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result = self.cloning_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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stack_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, stack_on, self.root_transport.base)
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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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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):
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"""Open an existing bzrdir, rooted at 'base' (url).
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:param _unsupported: a private parameter to the BzrDir class.
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t = get_transport(base, possible_transports=possible_transports)
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return BzrDir.open_from_transport(t, _unsupported=_unsupported)
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def open_from_transport(transport, _unsupported=False,
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_server_formats=True):
769
"""Open a bzrdir within a particular directory.
771
:param transport: Transport containing the bzrdir.
772
:param _unsupported: private.
774
base = transport.base
776
def find_format(transport):
777
return transport, BzrDirFormat.find_format(
778
transport, _server_formats=_server_formats)
780
def redirected(transport, e, redirection_notice):
781
qualified_source = e.get_source_url()
782
relpath = transport.relpath(qualified_source)
783
if not e.target.endswith(relpath):
784
# Not redirected to a branch-format, not a branch
785
raise errors.NotBranchError(path=e.target)
786
target = e.target[:-len(relpath)]
787
note('%s is%s redirected to %s',
788
transport.base, e.permanently, target)
789
# Let's try with a new transport
790
# FIXME: If 'transport' has a qualifier, this should
791
# be applied again to the new transport *iff* the
792
# schemes used are the same. Uncomment this code
793
# once the function (and tests) exist.
795
#target = urlutils.copy_url_qualifiers(original, target)
796
return get_transport(target)
799
transport, format = do_catching_redirections(find_format,
802
except errors.TooManyRedirections:
803
raise errors.NotBranchError(base)
805
BzrDir._check_supported(format, _unsupported)
806
return format.open(transport, _found=True)
808
def open_branch(self, unsupported=False):
809
"""Open the branch object at this BzrDir if one is present.
811
If unsupported is True, then no longer supported branch formats can
814
TODO: static convenience version of this?
816
raise NotImplementedError(self.open_branch)
819
def open_containing(url, possible_transports=None):
820
"""Open an existing branch which contains url.
822
:param url: url to search from.
823
See open_containing_from_transport for more detail.
825
transport = get_transport(url, possible_transports)
826
return BzrDir.open_containing_from_transport(transport)
829
def open_containing_from_transport(a_transport):
830
"""Open an existing branch which contains a_transport.base.
832
This probes for a branch at a_transport, and searches upwards from there.
834
Basically we keep looking up until we find the control directory or
835
run into the root. If there isn't one, raises NotBranchError.
836
If there is one and it is either an unrecognised format or an unsupported
837
format, UnknownFormatError or UnsupportedFormatError are raised.
838
If there is one, it is returned, along with the unused portion of url.
840
:return: The BzrDir that contains the path, and a Unicode path
841
for the rest of the URL.
843
# this gets the normalised url back. I.e. '.' -> the full path.
844
url = a_transport.base
847
result = BzrDir.open_from_transport(a_transport)
848
return result, urlutils.unescape(a_transport.relpath(url))
849
except errors.NotBranchError, e:
852
new_t = a_transport.clone('..')
853
except errors.InvalidURLJoin:
854
# reached the root, whatever that may be
855
raise errors.NotBranchError(path=url)
856
if new_t.base == a_transport.base:
857
# reached the root, whatever that may be
858
raise errors.NotBranchError(path=url)
861
def _get_tree_branch(self):
862
"""Return the branch and tree, if any, for this bzrdir.
864
Return None for tree if not present or inaccessible.
865
Raise NotBranchError if no branch is present.
866
:return: (tree, branch)
869
tree = self.open_workingtree()
870
except (errors.NoWorkingTree, errors.NotLocalUrl):
872
branch = self.open_branch()
878
def open_tree_or_branch(klass, location):
879
"""Return the branch and working tree at a location.
881
If there is no tree at the location, tree will be None.
882
If there is no branch at the location, an exception will be
884
:return: (tree, branch)
886
bzrdir = klass.open(location)
887
return bzrdir._get_tree_branch()
890
def open_containing_tree_or_branch(klass, location):
891
"""Return the branch and working tree contained by a location.
893
Returns (tree, branch, relpath).
894
If there is no tree at containing the location, tree will be None.
895
If there is no branch containing the location, an exception will be
897
relpath is the portion of the path that is contained by the branch.
899
bzrdir, relpath = klass.open_containing(location)
900
tree, branch = bzrdir._get_tree_branch()
901
return tree, branch, relpath
904
def open_containing_tree_branch_or_repository(klass, location):
905
"""Return the working tree, branch and repo contained by a location.
907
Returns (tree, branch, repository, relpath).
908
If there is no tree containing the location, tree will be None.
909
If there is no branch containing the location, branch will be None.
910
If there is no repository containing the location, repository will be
912
relpath is the portion of the path that is contained by the innermost
915
If no tree, branch or repository is found, a NotBranchError is raised.
917
bzrdir, relpath = klass.open_containing(location)
919
tree, branch = bzrdir._get_tree_branch()
920
except errors.NotBranchError:
922
repo = bzrdir.find_repository()
923
return None, None, repo, relpath
924
except (errors.NoRepositoryPresent):
925
raise errors.NotBranchError(location)
926
return tree, branch, branch.repository, relpath
928
def open_repository(self, _unsupported=False):
929
"""Open the repository object at this BzrDir if one is present.
931
This will not follow the Branch object pointer - it's strictly a direct
932
open facility. Most client code should use open_branch().repository to
935
:param _unsupported: a private parameter, not part of the api.
936
TODO: static convenience version of this?
938
raise NotImplementedError(self.open_repository)
940
def open_workingtree(self, _unsupported=False,
941
recommend_upgrade=True, from_branch=None):
942
"""Open the workingtree object at this BzrDir if one is present.
944
:param recommend_upgrade: Optional keyword parameter, when True (the
945
default), emit through the ui module a recommendation that the user
946
upgrade the working tree when the workingtree being opened is old
947
(but still fully supported).
948
:param from_branch: override bzrdir branch (for lightweight checkouts)
950
raise NotImplementedError(self.open_workingtree)
952
def has_branch(self):
953
"""Tell if this bzrdir contains a branch.
955
Note: if you're going to open the branch, you should just go ahead
956
and try, and not ask permission first. (This method just opens the
957
branch and discards it, and that's somewhat expensive.)
962
except errors.NotBranchError:
965
def has_workingtree(self):
966
"""Tell if this bzrdir contains a working tree.
968
This will still raise an exception if the bzrdir has a workingtree that
969
is remote & inaccessible.
971
Note: if you're going to open the working tree, you should just go ahead
972
and try, and not ask permission first. (This method just opens the
973
workingtree and discards it, and that's somewhat expensive.)
976
self.open_workingtree(recommend_upgrade=False)
978
except errors.NoWorkingTree:
981
def _cloning_metadir(self):
982
"""Produce a metadir suitable for cloning with.
984
:returns: (destination_bzrdir_format, source_repository)
986
result_format = self._format.__class__()
989
branch = self.open_branch()
990
source_repository = branch.repository
991
except errors.NotBranchError:
993
source_repository = self.open_repository()
994
except errors.NoRepositoryPresent:
995
source_repository = None
997
# XXX TODO: This isinstance is here because we have not implemented
998
# the fix recommended in bug # 103195 - to delegate this choice the
1000
repo_format = source_repository._format
1001
if not isinstance(repo_format, remote.RemoteRepositoryFormat):
1002
result_format.repository_format = repo_format
1004
# TODO: Couldn't we just probe for the format in these cases,
1005
# rather than opening the whole tree? It would be a little
1006
# faster. mbp 20070401
1007
tree = self.open_workingtree(recommend_upgrade=False)
1008
except (errors.NoWorkingTree, errors.NotLocalUrl):
1009
result_format.workingtree_format = None
1011
result_format.workingtree_format = tree._format.__class__()
1012
return result_format, source_repository
1014
def cloning_metadir(self):
1015
"""Produce a metadir suitable for cloning or sprouting with.
1017
These operations may produce workingtrees (yes, even though they're
1018
"cloning" something that doesn't have a tree), so a viable workingtree
1019
format must be selected.
1021
:returns: a BzrDirFormat with all component formats either set
1022
appropriately or set to None if that component should not be
1025
format, repository = self._cloning_metadir()
1026
if format._workingtree_format is None:
1027
if repository is None:
1029
tree_format = repository._format._matchingbzrdir.workingtree_format
1030
format.workingtree_format = tree_format.__class__()
1033
def checkout_metadir(self):
1034
return self.cloning_metadir()
1036
def sprout(self, url, revision_id=None, force_new_repo=False,
1037
recurse='down', possible_transports=None,
1038
accelerator_tree=None, hardlink=False, stacked=False):
1039
"""Create a copy of this bzrdir prepared for use as a new line of
1042
If url's last component does not exist, it will be created.
1044
Attributes related to the identity of the source branch like
1045
branch nickname will be cleaned, a working tree is created
1046
whether one existed before or not; and a local branch is always
1049
if revision_id is not None, then the clone operation may tune
1050
itself to download less data.
1051
:param accelerator_tree: A tree which can be used for retrieving file
1052
contents more quickly than the revision tree, i.e. a workingtree.
1053
The revision tree will be used for cases where accelerator_tree's
1054
content is different.
1055
:param hardlink: If true, hard-link files from accelerator_tree,
1057
:param stacked: If true, create a stacked branch referring to the
1058
location of this control directory.
1060
target_transport = get_transport(url, possible_transports)
1061
target_transport.ensure_base()
1062
cloning_format = self.cloning_metadir()
1063
result = cloning_format.initialize_on_transport(target_transport)
1065
source_branch = self.open_branch()
1066
source_repository = source_branch.repository
1068
stacked_branch_url = self.root_transport.base
1070
# if a stacked branch wasn't requested, we don't create one
1071
# even if the origin was stacked
1072
stacked_branch_url = None
1073
except errors.NotBranchError:
1074
source_branch = None
1076
source_repository = self.open_repository()
1077
except errors.NoRepositoryPresent:
1078
source_repository = None
1079
stacked_branch_url = None
1080
repository_policy = result.determine_repository_policy(
1081
force_new_repo, stacked_branch_url, require_stacking=stacked)
1082
result_repo = repository_policy.acquire_repository()
1083
if source_repository is not None:
1084
# XXX: Isn't this redundant with the copy_content_into used below
1085
# after creating the branch? -- mbp 20080724
1086
result_repo.fetch(source_repository, revision_id=revision_id)
1088
# Create/update the result branch
1090
or repository_policy._require_stacking
1091
or repository_policy._stack_on)
1092
and not result._format.get_branch_format().supports_stacking()):
1093
# force a branch that can support stacking
1094
from bzrlib.branch import BzrBranchFormat7
1095
format = BzrBranchFormat7()
1096
result_branch = format.initialize(result)
1097
mutter("using %r for stacking" % (format,))
1098
elif source_branch is None:
1099
# this is for sprouting a bzrdir without a branch; is that
1101
result_branch = result.create_branch()
1103
result_branch = source_branch._format.initialize(result)
1104
mutter("created new branch %r" % (result_branch,))
1105
repository_policy.configure_branch(result_branch)
1106
if source_branch is not None:
1107
# XXX: this duplicates Branch.sprout(); it probably belongs on an
1108
# InterBranch method? -- mbp 20080724
1109
source_branch.copy_content_into(result_branch,
1110
revision_id=revision_id)
1111
result_branch.set_parent(self.root_transport.base)
1113
# Create/update the result working tree
1114
if isinstance(target_transport, LocalTransport) and (
1115
result_repo is None or result_repo.make_working_trees()):
1116
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
1120
if wt.path2id('') is None:
1122
wt.set_root_id(self.open_workingtree.get_root_id())
1123
except errors.NoWorkingTree:
1129
if recurse == 'down':
1131
basis = wt.basis_tree()
1133
subtrees = basis.iter_references()
1134
elif source_branch is not None:
1135
basis = source_branch.basis_tree()
1137
subtrees = basis.iter_references()
1142
for path, file_id in subtrees:
1143
target = urlutils.join(url, urlutils.escape(path))
1144
sublocation = source_branch.reference_parent(file_id, path)
1145
sublocation.bzrdir.sprout(target,
1146
basis.get_reference_revision(file_id, path),
1147
force_new_repo=force_new_repo, recurse=recurse,
1150
if basis is not None:
1155
class BzrDirPreSplitOut(BzrDir):
1156
"""A common class for the all-in-one formats."""
1158
def __init__(self, _transport, _format):
1159
"""See BzrDir.__init__."""
1160
super(BzrDirPreSplitOut, self).__init__(_transport, _format)
1161
self._control_files = lockable_files.LockableFiles(
1162
self.get_branch_transport(None),
1163
self._format._lock_file_name,
1164
self._format._lock_class)
1166
def break_lock(self):
1167
"""Pre-splitout bzrdirs do not suffer from stale locks."""
1168
raise NotImplementedError(self.break_lock)
1170
def cloning_metadir(self):
1171
"""Produce a metadir suitable for cloning with."""
1172
return self._format.__class__()
1174
def clone(self, url, revision_id=None, force_new_repo=False,
1175
preserve_stacking=False):
1176
"""See BzrDir.clone().
1178
force_new_repo has no effect, since this family of formats always
1179
require a new repository.
1180
preserve_stacking has no effect, since no source branch using this
1181
family of formats can be stacked, so there is no stacking to preserve.
1183
from bzrlib.workingtree import WorkingTreeFormat2
1184
self._make_tail(url)
1185
result = self._format._initialize_for_clone(url)
1186
self.open_repository().clone(result, revision_id=revision_id)
1187
from_branch = self.open_branch()
1188
from_branch.clone(result, revision_id=revision_id)
1190
self.open_workingtree().clone(result)
1191
except errors.NotLocalUrl:
1192
# make a new one, this format always has to have one.
1194
WorkingTreeFormat2().initialize(result)
1195
except errors.NotLocalUrl:
1196
# but we cannot do it for remote trees.
1197
to_branch = result.open_branch()
1198
WorkingTreeFormat2()._stub_initialize_remote(to_branch)
1201
def create_branch(self):
1202
"""See BzrDir.create_branch."""
1203
return self.open_branch()
1205
def destroy_branch(self):
1206
"""See BzrDir.destroy_branch."""
1207
raise errors.UnsupportedOperation(self.destroy_branch, self)
1209
def create_repository(self, shared=False):
1210
"""See BzrDir.create_repository."""
1212
raise errors.IncompatibleFormat('shared repository', self._format)
1213
return self.open_repository()
1215
def destroy_repository(self):
1216
"""See BzrDir.destroy_repository."""
1217
raise errors.UnsupportedOperation(self.destroy_repository, self)
1219
def create_workingtree(self, revision_id=None, from_branch=None,
1220
accelerator_tree=None, hardlink=False):
1221
"""See BzrDir.create_workingtree."""
1222
# this looks buggy but is not -really-
1223
# because this format creates the workingtree when the bzrdir is
1225
# clone and sprout will have set the revision_id
1226
# and that will have set it for us, its only
1227
# specific uses of create_workingtree in isolation
1228
# that can do wonky stuff here, and that only
1229
# happens for creating checkouts, which cannot be
1230
# done on this format anyway. So - acceptable wart.
1231
result = self.open_workingtree(recommend_upgrade=False)
1232
if revision_id is not None:
1233
if revision_id == _mod_revision.NULL_REVISION:
1234
result.set_parent_ids([])
1236
result.set_parent_ids([revision_id])
1239
def destroy_workingtree(self):
1240
"""See BzrDir.destroy_workingtree."""
1241
raise errors.UnsupportedOperation(self.destroy_workingtree, self)
1243
def destroy_workingtree_metadata(self):
1244
"""See BzrDir.destroy_workingtree_metadata."""
1245
raise errors.UnsupportedOperation(self.destroy_workingtree_metadata,
1248
def get_branch_transport(self, branch_format):
1249
"""See BzrDir.get_branch_transport()."""
1250
if branch_format is None:
1251
return self.transport
1253
branch_format.get_format_string()
1254
except NotImplementedError:
1255
return self.transport
1256
raise errors.IncompatibleFormat(branch_format, self._format)
1258
def get_repository_transport(self, repository_format):
1259
"""See BzrDir.get_repository_transport()."""
1260
if repository_format is None:
1261
return self.transport
1263
repository_format.get_format_string()
1264
except NotImplementedError:
1265
return self.transport
1266
raise errors.IncompatibleFormat(repository_format, self._format)
1268
def get_workingtree_transport(self, workingtree_format):
1269
"""See BzrDir.get_workingtree_transport()."""
1270
if workingtree_format is None:
1271
return self.transport
1273
workingtree_format.get_format_string()
1274
except NotImplementedError:
1275
return self.transport
1276
raise errors.IncompatibleFormat(workingtree_format, self._format)
1278
def needs_format_conversion(self, format=None):
1279
"""See BzrDir.needs_format_conversion()."""
1280
# if the format is not the same as the system default,
1281
# an upgrade is needed.
1283
format = BzrDirFormat.get_default_format()
1284
return not isinstance(self._format, format.__class__)
1286
def open_branch(self, unsupported=False):
1287
"""See BzrDir.open_branch."""
1288
from bzrlib.branch import BzrBranchFormat4
1289
format = BzrBranchFormat4()
1290
self._check_supported(format, unsupported)
1291
return format.open(self, _found=True)
1293
def sprout(self, url, revision_id=None, force_new_repo=False,
1294
possible_transports=None, accelerator_tree=None,
1295
hardlink=False, stacked=False):
1296
"""See BzrDir.sprout()."""
1298
raise errors.UnstackableBranchFormat(
1299
self._format, self.root_transport.base)
1300
from bzrlib.workingtree import WorkingTreeFormat2
1301
self._make_tail(url)
1302
result = self._format._initialize_for_clone(url)
1304
self.open_repository().clone(result, revision_id=revision_id)
1305
except errors.NoRepositoryPresent:
1308
self.open_branch().sprout(result, revision_id=revision_id)
1309
except errors.NotBranchError:
1311
# we always want a working tree
1312
WorkingTreeFormat2().initialize(result,
1313
accelerator_tree=accelerator_tree,
1318
class BzrDir4(BzrDirPreSplitOut):
1319
"""A .bzr version 4 control object.
1321
This is a deprecated format and may be removed after sept 2006.
1324
def create_repository(self, shared=False):
1325
"""See BzrDir.create_repository."""
1326
return self._format.repository_format.initialize(self, shared)
1328
def needs_format_conversion(self, format=None):
1329
"""Format 4 dirs are always in need of conversion."""
1332
def open_repository(self):
1333
"""See BzrDir.open_repository."""
1334
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1335
return RepositoryFormat4().open(self, _found=True)
1338
class BzrDir5(BzrDirPreSplitOut):
1339
"""A .bzr version 5 control object.
1341
This is a deprecated format and may be removed after sept 2006.
1344
def open_repository(self):
1345
"""See BzrDir.open_repository."""
1346
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1347
return RepositoryFormat5().open(self, _found=True)
1349
def open_workingtree(self, _unsupported=False,
1350
recommend_upgrade=True):
1351
"""See BzrDir.create_workingtree."""
1352
from bzrlib.workingtree import WorkingTreeFormat2
1353
wt_format = WorkingTreeFormat2()
1354
# we don't warn here about upgrades; that ought to be handled for the
1356
return wt_format.open(self, _found=True)
1359
class BzrDir6(BzrDirPreSplitOut):
1360
"""A .bzr version 6 control object.
1362
This is a deprecated format and may be removed after sept 2006.
1365
def open_repository(self):
1366
"""See BzrDir.open_repository."""
1367
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1368
return RepositoryFormat6().open(self, _found=True)
1370
def open_workingtree(self, _unsupported=False,
1371
recommend_upgrade=True):
1372
"""See BzrDir.create_workingtree."""
1373
# we don't warn here about upgrades; that ought to be handled for the
1375
from bzrlib.workingtree import WorkingTreeFormat2
1376
return WorkingTreeFormat2().open(self, _found=True)
1379
class BzrDirMeta1(BzrDir):
1380
"""A .bzr meta version 1 control object.
1382
This is the first control object where the
1383
individual aspects are really split out: there are separate repository,
1384
workingtree and branch subdirectories and any subset of the three can be
1385
present within a BzrDir.
1388
def can_convert_format(self):
1389
"""See BzrDir.can_convert_format()."""
1392
def create_branch(self):
1393
"""See BzrDir.create_branch."""
1394
return self._format.get_branch_format().initialize(self)
1396
def destroy_branch(self):
1397
"""See BzrDir.create_branch."""
1398
self.transport.delete_tree('branch')
1400
def create_repository(self, shared=False):
1401
"""See BzrDir.create_repository."""
1402
return self._format.repository_format.initialize(self, shared)
1404
def destroy_repository(self):
1405
"""See BzrDir.destroy_repository."""
1406
self.transport.delete_tree('repository')
1408
def create_workingtree(self, revision_id=None, from_branch=None,
1409
accelerator_tree=None, hardlink=False):
1410
"""See BzrDir.create_workingtree."""
1411
return self._format.workingtree_format.initialize(
1412
self, revision_id, from_branch=from_branch,
1413
accelerator_tree=accelerator_tree, hardlink=hardlink)
1415
def destroy_workingtree(self):
1416
"""See BzrDir.destroy_workingtree."""
1417
wt = self.open_workingtree(recommend_upgrade=False)
1418
repository = wt.branch.repository
1419
empty = repository.revision_tree(_mod_revision.NULL_REVISION)
1420
wt.revert(old_tree=empty)
1421
self.destroy_workingtree_metadata()
1423
def destroy_workingtree_metadata(self):
1424
self.transport.delete_tree('checkout')
1426
def find_branch_format(self):
1427
"""Find the branch 'format' for this bzrdir.
1429
This might be a synthetic object for e.g. RemoteBranch and SVN.
1431
from bzrlib.branch import BranchFormat
1432
return BranchFormat.find_format(self)
1434
def _get_mkdir_mode(self):
1435
"""Figure out the mode to use when creating a bzrdir subdir."""
1436
temp_control = lockable_files.LockableFiles(self.transport, '',
1437
lockable_files.TransportLock)
1438
return temp_control._dir_mode
1440
def get_branch_reference(self):
1441
"""See BzrDir.get_branch_reference()."""
1442
from bzrlib.branch import BranchFormat
1443
format = BranchFormat.find_format(self)
1444
return format.get_reference(self)
1446
def get_branch_transport(self, branch_format):
1447
"""See BzrDir.get_branch_transport()."""
1448
if branch_format is None:
1449
return self.transport.clone('branch')
1451
branch_format.get_format_string()
1452
except NotImplementedError:
1453
raise errors.IncompatibleFormat(branch_format, self._format)
1455
self.transport.mkdir('branch', mode=self._get_mkdir_mode())
1456
except errors.FileExists:
1458
return self.transport.clone('branch')
1460
def get_repository_transport(self, repository_format):
1461
"""See BzrDir.get_repository_transport()."""
1462
if repository_format is None:
1463
return self.transport.clone('repository')
1465
repository_format.get_format_string()
1466
except NotImplementedError:
1467
raise errors.IncompatibleFormat(repository_format, self._format)
1469
self.transport.mkdir('repository', mode=self._get_mkdir_mode())
1470
except errors.FileExists:
1472
return self.transport.clone('repository')
1474
def get_workingtree_transport(self, workingtree_format):
1475
"""See BzrDir.get_workingtree_transport()."""
1476
if workingtree_format is None:
1477
return self.transport.clone('checkout')
1479
workingtree_format.get_format_string()
1480
except NotImplementedError:
1481
raise errors.IncompatibleFormat(workingtree_format, self._format)
1483
self.transport.mkdir('checkout', mode=self._get_mkdir_mode())
1484
except errors.FileExists:
1486
return self.transport.clone('checkout')
1488
def needs_format_conversion(self, format=None):
1489
"""See BzrDir.needs_format_conversion()."""
1491
format = BzrDirFormat.get_default_format()
1492
if not isinstance(self._format, format.__class__):
1493
# it is not a meta dir format, conversion is needed.
1495
# we might want to push this down to the repository?
1497
if not isinstance(self.open_repository()._format,
1498
format.repository_format.__class__):
1499
# the repository needs an upgrade.
1501
except errors.NoRepositoryPresent:
1504
if not isinstance(self.open_branch()._format,
1505
format.get_branch_format().__class__):
1506
# the branch needs an upgrade.
1508
except errors.NotBranchError:
1511
my_wt = self.open_workingtree(recommend_upgrade=False)
1512
if not isinstance(my_wt._format,
1513
format.workingtree_format.__class__):
1514
# the workingtree needs an upgrade.
1516
except (errors.NoWorkingTree, errors.NotLocalUrl):
1520
def open_branch(self, unsupported=False):
1521
"""See BzrDir.open_branch."""
1522
format = self.find_branch_format()
1523
self._check_supported(format, unsupported)
1524
return format.open(self, _found=True)
1526
def open_repository(self, unsupported=False):
1527
"""See BzrDir.open_repository."""
1528
from bzrlib.repository import RepositoryFormat
1529
format = RepositoryFormat.find_format(self)
1530
self._check_supported(format, unsupported)
1531
return format.open(self, _found=True)
1533
def open_workingtree(self, unsupported=False,
1534
recommend_upgrade=True):
1535
"""See BzrDir.open_workingtree."""
1536
from bzrlib.workingtree import WorkingTreeFormat
1537
format = WorkingTreeFormat.find_format(self)
1538
self._check_supported(format, unsupported,
1540
basedir=self.root_transport.base)
1541
return format.open(self, _found=True)
1543
def _get_config(self):
1544
return config.BzrDirConfig(self.transport)
1547
class BzrDirFormat(object):
1548
"""An encapsulation of the initialization and open routines for a format.
1550
Formats provide three things:
1551
* An initialization routine,
1555
Formats are placed in a dict by their format string for reference
1556
during bzrdir opening. These should be subclasses of BzrDirFormat
1559
Once a format is deprecated, just deprecate the initialize and open
1560
methods on the format class. Do not deprecate the object, as the
1561
object will be created every system load.
1564
_default_format = None
1565
"""The default format used for new .bzr dirs."""
1568
"""The known formats."""
1570
_control_formats = []
1571
"""The registered control formats - .bzr, ....
1573
This is a list of BzrDirFormat objects.
1576
_control_server_formats = []
1577
"""The registered control server formats, e.g. RemoteBzrDirs.
1579
This is a list of BzrDirFormat objects.
1582
_lock_file_name = 'branch-lock'
1584
# _lock_class must be set in subclasses to the lock type, typ.
1585
# TransportLock or LockDir
1588
def find_format(klass, transport, _server_formats=True):
1589
"""Return the format present at transport."""
1591
formats = klass._control_server_formats + klass._control_formats
1593
formats = klass._control_formats
1594
for format in formats:
1596
return format.probe_transport(transport)
1597
except errors.NotBranchError:
1598
# this format does not find a control dir here.
1600
raise errors.NotBranchError(path=transport.base)
1603
def probe_transport(klass, transport):
1604
"""Return the .bzrdir style format present in a directory."""
1606
format_string = transport.get(".bzr/branch-format").read()
1607
except errors.NoSuchFile:
1608
raise errors.NotBranchError(path=transport.base)
1611
return klass._formats[format_string]
1613
raise errors.UnknownFormatError(format=format_string, kind='bzrdir')
1616
def get_default_format(klass):
1617
"""Return the current default format."""
1618
return klass._default_format
1620
def get_format_string(self):
1621
"""Return the ASCII format string that identifies this format."""
1622
raise NotImplementedError(self.get_format_string)
1624
def get_format_description(self):
1625
"""Return the short description for this format."""
1626
raise NotImplementedError(self.get_format_description)
1628
def get_converter(self, format=None):
1629
"""Return the converter to use to convert bzrdirs needing converts.
1631
This returns a bzrlib.bzrdir.Converter object.
1633
This should return the best upgrader to step this format towards the
1634
current default format. In the case of plugins we can/should provide
1635
some means for them to extend the range of returnable converters.
1637
:param format: Optional format to override the default format of the
1640
raise NotImplementedError(self.get_converter)
1642
def initialize(self, url, possible_transports=None):
1643
"""Create a bzr control dir at this url and return an opened copy.
1645
Subclasses should typically override initialize_on_transport
1646
instead of this method.
1648
return self.initialize_on_transport(get_transport(url,
1649
possible_transports))
1651
def initialize_on_transport(self, transport):
1652
"""Initialize a new bzrdir in the base directory of a Transport."""
1653
# Since we don't have a .bzr directory, inherit the
1654
# mode from the root directory
1655
temp_control = lockable_files.LockableFiles(transport,
1656
'', lockable_files.TransportLock)
1657
temp_control._transport.mkdir('.bzr',
1658
# FIXME: RBC 20060121 don't peek under
1660
mode=temp_control._dir_mode)
1661
if sys.platform == 'win32' and isinstance(transport, LocalTransport):
1662
win32utils.set_file_attr_hidden(transport._abspath('.bzr'))
1663
file_mode = temp_control._file_mode
1665
bzrdir_transport = transport.clone('.bzr')
1666
utf8_files = [('README',
1667
"This is a Bazaar control directory.\n"
1668
"Do not change any files in this directory.\n"
1669
"See http://bazaar-vcs.org/ for more information about Bazaar.\n"),
1670
('branch-format', self.get_format_string()),
1672
# NB: no need to escape relative paths that are url safe.
1673
control_files = lockable_files.LockableFiles(bzrdir_transport,
1674
self._lock_file_name, self._lock_class)
1675
control_files.create_lock()
1676
control_files.lock_write()
1678
for (filename, content) in utf8_files:
1679
bzrdir_transport.put_bytes(filename, content,
1682
control_files.unlock()
1683
return self.open(transport, _found=True)
1685
def is_supported(self):
1686
"""Is this format supported?
1688
Supported formats must be initializable and openable.
1689
Unsupported formats may not support initialization or committing or
1690
some other features depending on the reason for not being supported.
1694
def same_model(self, target_format):
1695
return (self.repository_format.rich_root_data ==
1696
target_format.rich_root_data)
1699
def known_formats(klass):
1700
"""Return all the known formats.
1702
Concrete formats should override _known_formats.
1704
# There is double indirection here to make sure that control
1705
# formats used by more than one dir format will only be probed
1706
# once. This can otherwise be quite expensive for remote connections.
1708
for format in klass._control_formats:
1709
result.update(format._known_formats())
1713
def _known_formats(klass):
1714
"""Return the known format instances for this control format."""
1715
return set(klass._formats.values())
1717
def open(self, transport, _found=False):
1718
"""Return an instance of this format for the dir transport points at.
1720
_found is a private parameter, do not use it.
1723
found_format = BzrDirFormat.find_format(transport)
1724
if not isinstance(found_format, self.__class__):
1725
raise AssertionError("%s was asked to open %s, but it seems to need "
1727
% (self, transport, found_format))
1728
return self._open(transport)
1730
def _open(self, transport):
1731
"""Template method helper for opening BzrDirectories.
1733
This performs the actual open and any additional logic or parameter
1736
raise NotImplementedError(self._open)
1739
def register_format(klass, format):
1740
klass._formats[format.get_format_string()] = format
1743
def register_control_format(klass, format):
1744
"""Register a format that does not use '.bzr' for its control dir.
1746
TODO: This should be pulled up into a 'ControlDirFormat' base class
1747
which BzrDirFormat can inherit from, and renamed to register_format
1748
there. It has been done without that for now for simplicity of
1751
klass._control_formats.append(format)
1754
def register_control_server_format(klass, format):
1755
"""Register a control format for client-server environments.
1757
These formats will be tried before ones registered with
1758
register_control_format. This gives implementations that decide to the
1759
chance to grab it before anything looks at the contents of the format
1762
klass._control_server_formats.append(format)
1765
def _set_default_format(klass, format):
1766
"""Set default format (for testing behavior of defaults only)"""
1767
klass._default_format = format
1771
return self.get_format_string().rstrip()
1774
def unregister_format(klass, format):
1775
del klass._formats[format.get_format_string()]
1778
def unregister_control_format(klass, format):
1779
klass._control_formats.remove(format)
1782
class BzrDirFormat4(BzrDirFormat):
1783
"""Bzr dir format 4.
1785
This format is a combined format for working tree, branch and repository.
1787
- Format 1 working trees [always]
1788
- Format 4 branches [always]
1789
- Format 4 repositories [always]
1791
This format is deprecated: it indexes texts using a text it which is
1792
removed in format 5; write support for this format has been removed.
1795
_lock_class = lockable_files.TransportLock
1797
def get_format_string(self):
1798
"""See BzrDirFormat.get_format_string()."""
1799
return "Bazaar-NG branch, format 0.0.4\n"
1801
def get_format_description(self):
1802
"""See BzrDirFormat.get_format_description()."""
1803
return "All-in-one format 4"
1805
def get_converter(self, format=None):
1806
"""See BzrDirFormat.get_converter()."""
1807
# there is one and only one upgrade path here.
1808
return ConvertBzrDir4To5()
1810
def initialize_on_transport(self, transport):
1811
"""Format 4 branches cannot be created."""
1812
raise errors.UninitializableFormat(self)
1814
def is_supported(self):
1815
"""Format 4 is not supported.
1817
It is not supported because the model changed from 4 to 5 and the
1818
conversion logic is expensive - so doing it on the fly was not
1823
def _open(self, transport):
1824
"""See BzrDirFormat._open."""
1825
return BzrDir4(transport, self)
1827
def __return_repository_format(self):
1828
"""Circular import protection."""
1829
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1830
return RepositoryFormat4()
1831
repository_format = property(__return_repository_format)
1834
class BzrDirFormat5(BzrDirFormat):
1835
"""Bzr control format 5.
1837
This format is a combined format for working tree, branch and repository.
1839
- Format 2 working trees [always]
1840
- Format 4 branches [always]
1841
- Format 5 repositories [always]
1842
Unhashed stores in the repository.
1845
_lock_class = lockable_files.TransportLock
1847
def get_format_string(self):
1848
"""See BzrDirFormat.get_format_string()."""
1849
return "Bazaar-NG branch, format 5\n"
1851
def get_format_description(self):
1852
"""See BzrDirFormat.get_format_description()."""
1853
return "All-in-one format 5"
1855
def get_converter(self, format=None):
1856
"""See BzrDirFormat.get_converter()."""
1857
# there is one and only one upgrade path here.
1858
return ConvertBzrDir5To6()
1860
def _initialize_for_clone(self, url):
1861
return self.initialize_on_transport(get_transport(url), _cloning=True)
1863
def initialize_on_transport(self, transport, _cloning=False):
1864
"""Format 5 dirs always have working tree, branch and repository.
1866
Except when they are being cloned.
1868
from bzrlib.branch import BzrBranchFormat4
1869
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1870
from bzrlib.workingtree import WorkingTreeFormat2
1871
result = (super(BzrDirFormat5, self).initialize_on_transport(transport))
1872
RepositoryFormat5().initialize(result, _internal=True)
1874
branch = BzrBranchFormat4().initialize(result)
1876
WorkingTreeFormat2().initialize(result)
1877
except errors.NotLocalUrl:
1878
# Even though we can't access the working tree, we need to
1879
# create its control files.
1880
WorkingTreeFormat2()._stub_initialize_remote(branch)
1883
def _open(self, transport):
1884
"""See BzrDirFormat._open."""
1885
return BzrDir5(transport, self)
1887
def __return_repository_format(self):
1888
"""Circular import protection."""
1889
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1890
return RepositoryFormat5()
1891
repository_format = property(__return_repository_format)
1894
class BzrDirFormat6(BzrDirFormat):
1895
"""Bzr control format 6.
1897
This format is a combined format for working tree, branch and repository.
1899
- Format 2 working trees [always]
1900
- Format 4 branches [always]
1901
- Format 6 repositories [always]
1904
_lock_class = lockable_files.TransportLock
1906
def get_format_string(self):
1907
"""See BzrDirFormat.get_format_string()."""
1908
return "Bazaar-NG branch, format 6\n"
1910
def get_format_description(self):
1911
"""See BzrDirFormat.get_format_description()."""
1912
return "All-in-one format 6"
1914
def get_converter(self, format=None):
1915
"""See BzrDirFormat.get_converter()."""
1916
# there is one and only one upgrade path here.
1917
return ConvertBzrDir6ToMeta()
1919
def _initialize_for_clone(self, url):
1920
return self.initialize_on_transport(get_transport(url), _cloning=True)
1922
def initialize_on_transport(self, transport, _cloning=False):
1923
"""Format 6 dirs always have working tree, branch and repository.
1925
Except when they are being cloned.
1927
from bzrlib.branch import BzrBranchFormat4
1928
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1929
from bzrlib.workingtree import WorkingTreeFormat2
1930
result = super(BzrDirFormat6, self).initialize_on_transport(transport)
1931
RepositoryFormat6().initialize(result, _internal=True)
1933
branch = BzrBranchFormat4().initialize(result)
1935
WorkingTreeFormat2().initialize(result)
1936
except errors.NotLocalUrl:
1937
# Even though we can't access the working tree, we need to
1938
# create its control files.
1939
WorkingTreeFormat2()._stub_initialize_remote(branch)
1942
def _open(self, transport):
1943
"""See BzrDirFormat._open."""
1944
return BzrDir6(transport, self)
1946
def __return_repository_format(self):
1947
"""Circular import protection."""
1948
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1949
return RepositoryFormat6()
1950
repository_format = property(__return_repository_format)
1953
class BzrDirMetaFormat1(BzrDirFormat):
1954
"""Bzr meta control format 1
1956
This is the first format with split out working tree, branch and repository
1959
- Format 3 working trees [optional]
1960
- Format 5 branches [optional]
1961
- Format 7 repositories [optional]
1964
_lock_class = lockdir.LockDir
1967
self._workingtree_format = None
1968
self._branch_format = None
1970
def __eq__(self, other):
1971
if other.__class__ is not self.__class__:
1973
if other.repository_format != self.repository_format:
1975
if other.workingtree_format != self.workingtree_format:
1979
def __ne__(self, other):
1980
return not self == other
1982
def get_branch_format(self):
1983
if self._branch_format is None:
1984
from bzrlib.branch import BranchFormat
1985
self._branch_format = BranchFormat.get_default_format()
1986
return self._branch_format
1988
def set_branch_format(self, format):
1989
self._branch_format = format
1991
def get_converter(self, format=None):
1992
"""See BzrDirFormat.get_converter()."""
1994
format = BzrDirFormat.get_default_format()
1995
if not isinstance(self, format.__class__):
1996
# converting away from metadir is not implemented
1997
raise NotImplementedError(self.get_converter)
1998
return ConvertMetaToMeta(format)
2000
def get_format_string(self):
2001
"""See BzrDirFormat.get_format_string()."""
2002
return "Bazaar-NG meta directory, format 1\n"
2004
def get_format_description(self):
2005
"""See BzrDirFormat.get_format_description()."""
2006
return "Meta directory format 1"
2008
def _open(self, transport):
2009
"""See BzrDirFormat._open."""
2010
return BzrDirMeta1(transport, self)
2012
def __return_repository_format(self):
2013
"""Circular import protection."""
2014
if getattr(self, '_repository_format', None):
2015
return self._repository_format
2016
from bzrlib.repository import RepositoryFormat
2017
return RepositoryFormat.get_default_format()
2019
def __set_repository_format(self, value):
2020
"""Allow changing the repository format for metadir formats."""
2021
self._repository_format = value
2023
repository_format = property(__return_repository_format, __set_repository_format)
2025
def __get_workingtree_format(self):
2026
if self._workingtree_format is None:
2027
from bzrlib.workingtree import WorkingTreeFormat
2028
self._workingtree_format = WorkingTreeFormat.get_default_format()
2029
return self._workingtree_format
2031
def __set_workingtree_format(self, wt_format):
2032
self._workingtree_format = wt_format
2034
workingtree_format = property(__get_workingtree_format,
2035
__set_workingtree_format)
2038
# Register bzr control format
2039
BzrDirFormat.register_control_format(BzrDirFormat)
2041
# Register bzr formats
2042
BzrDirFormat.register_format(BzrDirFormat4())
2043
BzrDirFormat.register_format(BzrDirFormat5())
2044
BzrDirFormat.register_format(BzrDirFormat6())
2045
__default_format = BzrDirMetaFormat1()
2046
BzrDirFormat.register_format(__default_format)
2047
BzrDirFormat._default_format = __default_format
2050
class Converter(object):
2051
"""Converts a disk format object from one format to another."""
2053
def convert(self, to_convert, pb):
2054
"""Perform the conversion of to_convert, giving feedback via pb.
2056
:param to_convert: The disk object to convert.
2057
:param pb: a progress bar to use for progress information.
2060
def step(self, message):
2061
"""Update the pb by a step."""
2063
self.pb.update(message, self.count, self.total)
2066
class ConvertBzrDir4To5(Converter):
2067
"""Converts format 4 bzr dirs to format 5."""
2070
super(ConvertBzrDir4To5, self).__init__()
2071
self.converted_revs = set()
2072
self.absent_revisions = set()
2076
def convert(self, to_convert, pb):
2077
"""See Converter.convert()."""
2078
self.bzrdir = to_convert
2080
self.pb.note('starting upgrade from format 4 to 5')
2081
if isinstance(self.bzrdir.transport, LocalTransport):
2082
self.bzrdir.get_workingtree_transport(None).delete('stat-cache')
2083
self._convert_to_weaves()
2084
return BzrDir.open(self.bzrdir.root_transport.base)
2086
def _convert_to_weaves(self):
2087
self.pb.note('note: upgrade may be faster if all store files are ungzipped first')
2090
stat = self.bzrdir.transport.stat('weaves')
2091
if not S_ISDIR(stat.st_mode):
2092
self.bzrdir.transport.delete('weaves')
2093
self.bzrdir.transport.mkdir('weaves')
2094
except errors.NoSuchFile:
2095
self.bzrdir.transport.mkdir('weaves')
2096
# deliberately not a WeaveFile as we want to build it up slowly.
2097
self.inv_weave = Weave('inventory')
2098
# holds in-memory weaves for all files
2099
self.text_weaves = {}
2100
self.bzrdir.transport.delete('branch-format')
2101
self.branch = self.bzrdir.open_branch()
2102
self._convert_working_inv()
2103
rev_history = self.branch.revision_history()
2104
# to_read is a stack holding the revisions we still need to process;
2105
# appending to it adds new highest-priority revisions
2106
self.known_revisions = set(rev_history)
2107
self.to_read = rev_history[-1:]
2109
rev_id = self.to_read.pop()
2110
if (rev_id not in self.revisions
2111
and rev_id not in self.absent_revisions):
2112
self._load_one_rev(rev_id)
2114
to_import = self._make_order()
2115
for i, rev_id in enumerate(to_import):
2116
self.pb.update('converting revision', i, len(to_import))
2117
self._convert_one_rev(rev_id)
2119
self._write_all_weaves()
2120
self._write_all_revs()
2121
self.pb.note('upgraded to weaves:')
2122
self.pb.note(' %6d revisions and inventories', len(self.revisions))
2123
self.pb.note(' %6d revisions not present', len(self.absent_revisions))
2124
self.pb.note(' %6d texts', self.text_count)
2125
self._cleanup_spare_files_after_format4()
2126
self.branch._transport.put_bytes(
2128
BzrDirFormat5().get_format_string(),
2129
mode=self.bzrdir._get_file_mode())
2131
def _cleanup_spare_files_after_format4(self):
2132
# FIXME working tree upgrade foo.
2133
for n in 'merged-patches', 'pending-merged-patches':
2135
## assert os.path.getsize(p) == 0
2136
self.bzrdir.transport.delete(n)
2137
except errors.NoSuchFile:
2139
self.bzrdir.transport.delete_tree('inventory-store')
2140
self.bzrdir.transport.delete_tree('text-store')
2142
def _convert_working_inv(self):
2143
inv = xml4.serializer_v4.read_inventory(
2144
self.branch._transport.get('inventory'))
2145
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv, working=True)
2146
self.branch._transport.put_bytes('inventory', new_inv_xml,
2147
mode=self.bzrdir._get_file_mode())
2149
def _write_all_weaves(self):
2150
controlweaves = WeaveStore(self.bzrdir.transport, prefixed=False)
2151
weave_transport = self.bzrdir.transport.clone('weaves')
2152
weaves = WeaveStore(weave_transport, prefixed=False)
2153
transaction = WriteTransaction()
2157
for file_id, file_weave in self.text_weaves.items():
2158
self.pb.update('writing weave', i, len(self.text_weaves))
2159
weaves._put_weave(file_id, file_weave, transaction)
2161
self.pb.update('inventory', 0, 1)
2162
controlweaves._put_weave('inventory', self.inv_weave, transaction)
2163
self.pb.update('inventory', 1, 1)
2167
def _write_all_revs(self):
2168
"""Write all revisions out in new form."""
2169
self.bzrdir.transport.delete_tree('revision-store')
2170
self.bzrdir.transport.mkdir('revision-store')
2171
revision_transport = self.bzrdir.transport.clone('revision-store')
2173
from bzrlib.xml5 import serializer_v5
2174
from bzrlib.repofmt.weaverepo import RevisionTextStore
2175
revision_store = RevisionTextStore(revision_transport,
2176
serializer_v5, False, versionedfile.PrefixMapper(),
2177
lambda:True, lambda:True)
2179
for i, rev_id in enumerate(self.converted_revs):
2180
self.pb.update('write revision', i, len(self.converted_revs))
2181
text = serializer_v5.write_revision_to_string(
2182
self.revisions[rev_id])
2184
revision_store.add_lines(key, None, osutils.split_lines(text))
2188
def _load_one_rev(self, rev_id):
2189
"""Load a revision object into memory.
2191
Any parents not either loaded or abandoned get queued to be
2193
self.pb.update('loading revision',
2194
len(self.revisions),
2195
len(self.known_revisions))
2196
if not self.branch.repository.has_revision(rev_id):
2198
self.pb.note('revision {%s} not present in branch; '
2199
'will be converted as a ghost',
2201
self.absent_revisions.add(rev_id)
2203
rev = self.branch.repository.get_revision(rev_id)
2204
for parent_id in rev.parent_ids:
2205
self.known_revisions.add(parent_id)
2206
self.to_read.append(parent_id)
2207
self.revisions[rev_id] = rev
2209
def _load_old_inventory(self, rev_id):
2210
old_inv_xml = self.branch.repository.inventory_store.get(rev_id).read()
2211
inv = xml4.serializer_v4.read_inventory_from_string(old_inv_xml)
2212
inv.revision_id = rev_id
2213
rev = self.revisions[rev_id]
2216
def _load_updated_inventory(self, rev_id):
2217
inv_xml = self.inv_weave.get_text(rev_id)
2218
inv = xml5.serializer_v5.read_inventory_from_string(inv_xml, rev_id)
2221
def _convert_one_rev(self, rev_id):
2222
"""Convert revision and all referenced objects to new format."""
2223
rev = self.revisions[rev_id]
2224
inv = self._load_old_inventory(rev_id)
2225
present_parents = [p for p in rev.parent_ids
2226
if p not in self.absent_revisions]
2227
self._convert_revision_contents(rev, inv, present_parents)
2228
self._store_new_inv(rev, inv, present_parents)
2229
self.converted_revs.add(rev_id)
2231
def _store_new_inv(self, rev, inv, present_parents):
2232
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
2233
new_inv_sha1 = sha_string(new_inv_xml)
2234
self.inv_weave.add_lines(rev.revision_id,
2236
new_inv_xml.splitlines(True))
2237
rev.inventory_sha1 = new_inv_sha1
2239
def _convert_revision_contents(self, rev, inv, present_parents):
2240
"""Convert all the files within a revision.
2242
Also upgrade the inventory to refer to the text revision ids."""
2243
rev_id = rev.revision_id
2244
mutter('converting texts of revision {%s}',
2246
parent_invs = map(self._load_updated_inventory, present_parents)
2247
entries = inv.iter_entries()
2249
for path, ie in entries:
2250
self._convert_file_version(rev, ie, parent_invs)
2252
def _convert_file_version(self, rev, ie, parent_invs):
2253
"""Convert one version of one file.
2255
The file needs to be added into the weave if it is a merge
2256
of >=2 parents or if it's changed from its parent.
2258
file_id = ie.file_id
2259
rev_id = rev.revision_id
2260
w = self.text_weaves.get(file_id)
2263
self.text_weaves[file_id] = w
2264
text_changed = False
2265
parent_candiate_entries = ie.parent_candidates(parent_invs)
2266
heads = graph.Graph(self).heads(parent_candiate_entries.keys())
2267
# XXX: Note that this is unordered - and this is tolerable because
2268
# the previous code was also unordered.
2269
previous_entries = dict((head, parent_candiate_entries[head]) for head
2271
self.snapshot_ie(previous_entries, ie, w, rev_id)
2274
@symbol_versioning.deprecated_method(symbol_versioning.one_one)
2275
def get_parents(self, revision_ids):
2276
for revision_id in revision_ids:
2277
yield self.revisions[revision_id].parent_ids
2279
def get_parent_map(self, revision_ids):
2280
"""See graph._StackedParentsProvider.get_parent_map"""
2281
return dict((revision_id, self.revisions[revision_id])
2282
for revision_id in revision_ids
2283
if revision_id in self.revisions)
2285
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
2286
# TODO: convert this logic, which is ~= snapshot to
2287
# a call to:. This needs the path figured out. rather than a work_tree
2288
# a v4 revision_tree can be given, or something that looks enough like
2289
# one to give the file content to the entry if it needs it.
2290
# and we need something that looks like a weave store for snapshot to
2292
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
2293
if len(previous_revisions) == 1:
2294
previous_ie = previous_revisions.values()[0]
2295
if ie._unchanged(previous_ie):
2296
ie.revision = previous_ie.revision
2299
text = self.branch.repository._text_store.get(ie.text_id)
2300
file_lines = text.readlines()
2301
w.add_lines(rev_id, previous_revisions, file_lines)
2302
self.text_count += 1
2304
w.add_lines(rev_id, previous_revisions, [])
2305
ie.revision = rev_id
2307
def _make_order(self):
2308
"""Return a suitable order for importing revisions.
2310
The order must be such that an revision is imported after all
2311
its (present) parents.
2313
todo = set(self.revisions.keys())
2314
done = self.absent_revisions.copy()
2317
# scan through looking for a revision whose parents
2319
for rev_id in sorted(list(todo)):
2320
rev = self.revisions[rev_id]
2321
parent_ids = set(rev.parent_ids)
2322
if parent_ids.issubset(done):
2323
# can take this one now
2324
order.append(rev_id)
2330
class ConvertBzrDir5To6(Converter):
2331
"""Converts format 5 bzr dirs to format 6."""
2333
def convert(self, to_convert, pb):
2334
"""See Converter.convert()."""
2335
self.bzrdir = to_convert
2337
self.pb.note('starting upgrade from format 5 to 6')
2338
self._convert_to_prefixed()
2339
return BzrDir.open(self.bzrdir.root_transport.base)
2341
def _convert_to_prefixed(self):
2342
from bzrlib.store import TransportStore
2343
self.bzrdir.transport.delete('branch-format')
2344
for store_name in ["weaves", "revision-store"]:
2345
self.pb.note("adding prefixes to %s" % store_name)
2346
store_transport = self.bzrdir.transport.clone(store_name)
2347
store = TransportStore(store_transport, prefixed=True)
2348
for urlfilename in store_transport.list_dir('.'):
2349
filename = urlutils.unescape(urlfilename)
2350
if (filename.endswith(".weave") or
2351
filename.endswith(".gz") or
2352
filename.endswith(".sig")):
2353
file_id, suffix = os.path.splitext(filename)
2357
new_name = store._mapper.map((file_id,)) + suffix
2358
# FIXME keep track of the dirs made RBC 20060121
2360
store_transport.move(filename, new_name)
2361
except errors.NoSuchFile: # catches missing dirs strangely enough
2362
store_transport.mkdir(osutils.dirname(new_name))
2363
store_transport.move(filename, new_name)
2364
self.bzrdir.transport.put_bytes(
2366
BzrDirFormat6().get_format_string(),
2367
mode=self.bzrdir._get_file_mode())
2370
class ConvertBzrDir6ToMeta(Converter):
2371
"""Converts format 6 bzr dirs to metadirs."""
2373
def convert(self, to_convert, pb):
2374
"""See Converter.convert()."""
2375
from bzrlib.repofmt.weaverepo import RepositoryFormat7
2376
from bzrlib.branch import BzrBranchFormat5
2377
self.bzrdir = to_convert
2380
self.total = 20 # the steps we know about
2381
self.garbage_inventories = []
2382
self.dir_mode = self.bzrdir._get_dir_mode()
2383
self.file_mode = self.bzrdir._get_file_mode()
2385
self.pb.note('starting upgrade from format 6 to metadir')
2386
self.bzrdir.transport.put_bytes(
2388
"Converting to format 6",
2389
mode=self.file_mode)
2390
# its faster to move specific files around than to open and use the apis...
2391
# first off, nuke ancestry.weave, it was never used.
2393
self.step('Removing ancestry.weave')
2394
self.bzrdir.transport.delete('ancestry.weave')
2395
except errors.NoSuchFile:
2397
# find out whats there
2398
self.step('Finding branch files')
2399
last_revision = self.bzrdir.open_branch().last_revision()
2400
bzrcontents = self.bzrdir.transport.list_dir('.')
2401
for name in bzrcontents:
2402
if name.startswith('basis-inventory.'):
2403
self.garbage_inventories.append(name)
2404
# create new directories for repository, working tree and branch
2405
repository_names = [('inventory.weave', True),
2406
('revision-store', True),
2408
self.step('Upgrading repository ')
2409
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
2410
self.make_lock('repository')
2411
# we hard code the formats here because we are converting into
2412
# the meta format. The meta format upgrader can take this to a
2413
# future format within each component.
2414
self.put_format('repository', RepositoryFormat7())
2415
for entry in repository_names:
2416
self.move_entry('repository', entry)
2418
self.step('Upgrading branch ')
2419
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
2420
self.make_lock('branch')
2421
self.put_format('branch', BzrBranchFormat5())
2422
branch_files = [('revision-history', True),
2423
('branch-name', True),
2425
for entry in branch_files:
2426
self.move_entry('branch', entry)
2428
checkout_files = [('pending-merges', True),
2429
('inventory', True),
2430
('stat-cache', False)]
2431
# If a mandatory checkout file is not present, the branch does not have
2432
# a functional checkout. Do not create a checkout in the converted
2434
for name, mandatory in checkout_files:
2435
if mandatory and name not in bzrcontents:
2436
has_checkout = False
2440
if not has_checkout:
2441
self.pb.note('No working tree.')
2442
# If some checkout files are there, we may as well get rid of them.
2443
for name, mandatory in checkout_files:
2444
if name in bzrcontents:
2445
self.bzrdir.transport.delete(name)
2447
from bzrlib.workingtree import WorkingTreeFormat3
2448
self.step('Upgrading working tree')
2449
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
2450
self.make_lock('checkout')
2452
'checkout', WorkingTreeFormat3())
2453
self.bzrdir.transport.delete_multi(
2454
self.garbage_inventories, self.pb)
2455
for entry in checkout_files:
2456
self.move_entry('checkout', entry)
2457
if last_revision is not None:
2458
self.bzrdir.transport.put_bytes(
2459
'checkout/last-revision', last_revision)
2460
self.bzrdir.transport.put_bytes(
2462
BzrDirMetaFormat1().get_format_string(),
2463
mode=self.file_mode)
2464
return BzrDir.open(self.bzrdir.root_transport.base)
2466
def make_lock(self, name):
2467
"""Make a lock for the new control dir name."""
2468
self.step('Make %s lock' % name)
2469
ld = lockdir.LockDir(self.bzrdir.transport,
2471
file_modebits=self.file_mode,
2472
dir_modebits=self.dir_mode)
2475
def move_entry(self, new_dir, entry):
2476
"""Move then entry name into new_dir."""
2478
mandatory = entry[1]
2479
self.step('Moving %s' % name)
2481
self.bzrdir.transport.move(name, '%s/%s' % (new_dir, name))
2482
except errors.NoSuchFile:
2486
def put_format(self, dirname, format):
2487
self.bzrdir.transport.put_bytes('%s/format' % dirname,
2488
format.get_format_string(),
2492
class ConvertMetaToMeta(Converter):
2493
"""Converts the components of metadirs."""
2495
def __init__(self, target_format):
2496
"""Create a metadir to metadir converter.
2498
:param target_format: The final metadir format that is desired.
2500
self.target_format = target_format
2502
def convert(self, to_convert, pb):
2503
"""See Converter.convert()."""
2504
self.bzrdir = to_convert
2508
self.step('checking repository format')
2510
repo = self.bzrdir.open_repository()
2511
except errors.NoRepositoryPresent:
2514
if not isinstance(repo._format, self.target_format.repository_format.__class__):
2515
from bzrlib.repository import CopyConverter
2516
self.pb.note('starting repository conversion')
2517
converter = CopyConverter(self.target_format.repository_format)
2518
converter.convert(repo, pb)
2520
branch = self.bzrdir.open_branch()
2521
except errors.NotBranchError:
2524
# TODO: conversions of Branch and Tree should be done by
2525
# InterXFormat lookups/some sort of registry.
2526
# Avoid circular imports
2527
from bzrlib import branch as _mod_branch
2528
old = branch._format.__class__
2529
new = self.target_format.get_branch_format().__class__
2531
if (old == _mod_branch.BzrBranchFormat5 and
2532
new in (_mod_branch.BzrBranchFormat6,
2533
_mod_branch.BzrBranchFormat7)):
2534
branch_converter = _mod_branch.Converter5to6()
2535
elif (old == _mod_branch.BzrBranchFormat6 and
2536
new == _mod_branch.BzrBranchFormat7):
2537
branch_converter = _mod_branch.Converter6to7()
2539
raise errors.BadConversionTarget("No converter", new)
2540
branch_converter.convert(branch)
2541
branch = self.bzrdir.open_branch()
2542
old = branch._format.__class__
2544
tree = self.bzrdir.open_workingtree(recommend_upgrade=False)
2545
except (errors.NoWorkingTree, errors.NotLocalUrl):
2548
# TODO: conversions of Branch and Tree should be done by
2549
# InterXFormat lookups
2550
if (isinstance(tree, workingtree.WorkingTree3) and
2551
not isinstance(tree, workingtree_4.WorkingTree4) and
2552
isinstance(self.target_format.workingtree_format,
2553
workingtree_4.WorkingTreeFormat4)):
2554
workingtree_4.Converter3to4().convert(tree)
2558
# This is not in remote.py because it's small, and needs to be registered.
2559
# Putting it in remote.py creates a circular import problem.
2560
# we can make it a lazy object if the control formats is turned into something
2562
class RemoteBzrDirFormat(BzrDirMetaFormat1):
2563
"""Format representing bzrdirs accessed via a smart server"""
2565
def get_format_description(self):
2566
return 'bzr remote bzrdir'
2569
def probe_transport(klass, transport):
2570
"""Return a RemoteBzrDirFormat object if it looks possible."""
2572
medium = transport.get_smart_medium()
2573
except (NotImplementedError, AttributeError,
2574
errors.TransportNotPossible, errors.NoSmartMedium,
2575
errors.SmartProtocolError):
2576
# no smart server, so not a branch for this format type.
2577
raise errors.NotBranchError(path=transport.base)
2579
# Decline to open it if the server doesn't support our required
2580
# version (3) so that the VFS-based transport will do it.
2581
if medium.should_probe():
2583
server_version = medium.protocol_version()
2584
except errors.SmartProtocolError:
2585
# Apparently there's no usable smart server there, even though
2586
# the medium supports the smart protocol.
2587
raise errors.NotBranchError(path=transport.base)
2588
if server_version != '2':
2589
raise errors.NotBranchError(path=transport.base)
2592
def initialize_on_transport(self, transport):
2594
# hand off the request to the smart server
2595
client_medium = transport.get_smart_medium()
2596
except errors.NoSmartMedium:
2597
# TODO: lookup the local format from a server hint.
2598
local_dir_format = BzrDirMetaFormat1()
2599
return local_dir_format.initialize_on_transport(transport)
2600
client = _SmartClient(client_medium)
2601
path = client.remote_path_from_transport(transport)
2602
response = client.call('BzrDirFormat.initialize', path)
2603
if response[0] != 'ok':
2604
raise errors.SmartProtocolError('unexpected response code %s' % (response,))
2605
return remote.RemoteBzrDir(transport)
2607
def _open(self, transport):
2608
return remote.RemoteBzrDir(transport)
2610
def __eq__(self, other):
2611
if not isinstance(other, RemoteBzrDirFormat):
2613
return self.get_format_description() == other.get_format_description()
2616
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
2619
class BzrDirFormatInfo(object):
2621
def __init__(self, native, deprecated, hidden, experimental):
2622
self.deprecated = deprecated
2623
self.native = native
2624
self.hidden = hidden
2625
self.experimental = experimental
2628
class BzrDirFormatRegistry(registry.Registry):
2629
"""Registry of user-selectable BzrDir subformats.
2631
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
2632
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
2636
"""Create a BzrDirFormatRegistry."""
2637
self._aliases = set()
2638
super(BzrDirFormatRegistry, self).__init__()
2641
"""Return a set of the format names which are aliases."""
2642
return frozenset(self._aliases)
2644
def register_metadir(self, key,
2645
repository_format, help, native=True, deprecated=False,
2651
"""Register a metadir subformat.
2653
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2654
by the Repository format.
2656
:param repository_format: The fully-qualified repository format class
2658
:param branch_format: Fully-qualified branch format class name as
2660
:param tree_format: Fully-qualified tree format class name as
2663
# This should be expanded to support setting WorkingTree and Branch
2664
# formats, once BzrDirMetaFormat1 supports that.
2665
def _load(full_name):
2666
mod_name, factory_name = full_name.rsplit('.', 1)
2668
mod = __import__(mod_name, globals(), locals(),
2670
except ImportError, e:
2671
raise ImportError('failed to load %s: %s' % (full_name, e))
2673
factory = getattr(mod, factory_name)
2674
except AttributeError:
2675
raise AttributeError('no factory %s in module %r'
2680
bd = BzrDirMetaFormat1()
2681
if branch_format is not None:
2682
bd.set_branch_format(_load(branch_format))
2683
if tree_format is not None:
2684
bd.workingtree_format = _load(tree_format)
2685
if repository_format is not None:
2686
bd.repository_format = _load(repository_format)
2688
self.register(key, helper, help, native, deprecated, hidden,
2689
experimental, alias)
2691
def register(self, key, factory, help, native=True, deprecated=False,
2692
hidden=False, experimental=False, alias=False):
2693
"""Register a BzrDirFormat factory.
2695
The factory must be a callable that takes one parameter: the key.
2696
It must produce an instance of the BzrDirFormat when called.
2698
This function mainly exists to prevent the info object from being
2701
registry.Registry.register(self, key, factory, help,
2702
BzrDirFormatInfo(native, deprecated, hidden, experimental))
2704
self._aliases.add(key)
2706
def register_lazy(self, key, module_name, member_name, help, native=True,
2707
deprecated=False, hidden=False, experimental=False, alias=False):
2708
registry.Registry.register_lazy(self, key, module_name, member_name,
2709
help, BzrDirFormatInfo(native, deprecated, hidden, experimental))
2711
self._aliases.add(key)
2713
def set_default(self, key):
2714
"""Set the 'default' key to be a clone of the supplied key.
2716
This method must be called once and only once.
2718
registry.Registry.register(self, 'default', self.get(key),
2719
self.get_help(key), info=self.get_info(key))
2720
self._aliases.add('default')
2722
def set_default_repository(self, key):
2723
"""Set the FormatRegistry default and Repository default.
2725
This is a transitional method while Repository.set_default_format
2728
if 'default' in self:
2729
self.remove('default')
2730
self.set_default(key)
2731
format = self.get('default')()
2733
def make_bzrdir(self, key):
2734
return self.get(key)()
2736
def help_topic(self, topic):
2737
output = textwrap.dedent("""\
2738
These formats can be used for creating branches, working trees, and
2742
default_realkey = None
2743
default_help = self.get_help('default')
2745
for key in self.keys():
2746
if key == 'default':
2748
help = self.get_help(key)
2749
if help == default_help:
2750
default_realkey = key
2752
help_pairs.append((key, help))
2754
def wrapped(key, help, info):
2756
help = '(native) ' + help
2757
return ':%s:\n%s\n\n' % (key,
2758
textwrap.fill(help, initial_indent=' ',
2759
subsequent_indent=' '))
2760
if default_realkey is not None:
2761
output += wrapped(default_realkey, '(default) %s' % default_help,
2762
self.get_info('default'))
2763
deprecated_pairs = []
2764
experimental_pairs = []
2765
for key, help in help_pairs:
2766
info = self.get_info(key)
2769
elif info.deprecated:
2770
deprecated_pairs.append((key, help))
2771
elif info.experimental:
2772
experimental_pairs.append((key, help))
2774
output += wrapped(key, help, info)
2775
if len(experimental_pairs) > 0:
2776
output += "Experimental formats are shown below.\n\n"
2777
for key, help in experimental_pairs:
2778
info = self.get_info(key)
2779
output += wrapped(key, help, info)
2780
if len(deprecated_pairs) > 0:
2781
output += "Deprecated formats are shown below.\n\n"
2782
for key, help in deprecated_pairs:
2783
info = self.get_info(key)
2784
output += wrapped(key, help, info)
2789
class RepositoryAcquisitionPolicy(object):
2790
"""Abstract base class for repository acquisition policies.
2792
A repository acquisition policy decides how a BzrDir acquires a repository
2793
for a branch that is being created. The most basic policy decision is
2794
whether to create a new repository or use an existing one.
2796
def __init__(self, stack_on, stack_on_pwd, require_stacking):
2799
:param stack_on: A location to stack on
2800
:param stack_on_pwd: If stack_on is relative, the location it is
2802
:param require_stacking: If True, it is a failure to not stack.
2804
self._stack_on = stack_on
2805
self._stack_on_pwd = stack_on_pwd
2806
self._require_stacking = require_stacking
2808
def configure_branch(self, branch):
2809
"""Apply any configuration data from this policy to the branch.
2811
Default implementation sets repository stacking.
2813
if self._stack_on is None:
2815
if self._stack_on_pwd is None:
2816
stack_on = self._stack_on
2819
stack_on = urlutils.rebase_url(self._stack_on,
2821
branch.bzrdir.root_transport.base)
2822
except errors.InvalidRebaseURLs:
2823
stack_on = self._get_full_stack_on()
2825
branch.set_stacked_on_url(stack_on)
2826
except errors.UnstackableBranchFormat:
2827
if self._require_stacking:
2830
def _get_full_stack_on(self):
2831
"""Get a fully-qualified URL for the stack_on location."""
2832
if self._stack_on is None:
2834
if self._stack_on_pwd is None:
2835
return self._stack_on
2837
return urlutils.join(self._stack_on_pwd, self._stack_on)
2839
def _add_fallback(self, repository):
2840
"""Add a fallback to the supplied repository, if stacking is set."""
2841
stack_on = self._get_full_stack_on()
2842
if stack_on is None:
2844
stacked_dir = BzrDir.open(stack_on)
2846
stacked_repo = stacked_dir.open_branch().repository
2847
except errors.NotBranchError:
2848
stacked_repo = stacked_dir.open_repository()
2850
repository.add_fallback_repository(stacked_repo)
2851
except errors.UnstackableRepositoryFormat:
2852
if self._require_stacking:
2855
def acquire_repository(self, make_working_trees=None, shared=False):
2856
"""Acquire a repository for this bzrdir.
2858
Implementations may create a new repository or use a pre-exising
2860
:param make_working_trees: If creating a repository, set
2861
make_working_trees to this value (if non-None)
2862
:param shared: If creating a repository, make it shared if True
2863
:return: A repository
2865
raise NotImplemented(RepositoryAcquisitionPolicy.acquire_repository)
2868
class CreateRepository(RepositoryAcquisitionPolicy):
2869
"""A policy of creating a new repository"""
2871
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
2872
require_stacking=False):
2875
:param bzrdir: The bzrdir to create the repository on.
2876
:param stack_on: A location to stack on
2877
:param stack_on_pwd: If stack_on is relative, the location it is
2880
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2882
self._bzrdir = bzrdir
2884
def acquire_repository(self, make_working_trees=None, shared=False):
2885
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2887
Creates the desired repository in the bzrdir we already have.
2889
if self._stack_on or self._require_stacking:
2890
# we may be coming from a format that doesn't support stacking,
2891
# but we require it in the destination, so force creation of a new
2894
# TODO: perhaps this should be treated as a distinct repository
2895
# acquisition policy?
2896
repository_format = self._bzrdir._format.repository_format
2897
if not repository_format.supports_external_lookups:
2898
# should possibly be controlled by the registry rather than
2900
from bzrlib.repofmt import pack_repo
2901
if repository_format.rich_root_data:
2902
repository_format = \
2903
pack_repo.RepositoryFormatKnitPack5RichRoot()
2905
repository_format = pack_repo.RepositoryFormatKnitPack5()
2906
note("using %r for stacking" % (repository_format,))
2907
repository = repository_format.initialize(self._bzrdir,
2911
repository = self._bzrdir.create_repository(shared=shared)
2912
self._add_fallback(repository)
2913
if make_working_trees is not None:
2914
repository.set_make_working_trees(make_working_trees)
2918
class UseExistingRepository(RepositoryAcquisitionPolicy):
2919
"""A policy of reusing an existing repository"""
2921
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
2922
require_stacking=False):
2925
:param repository: The repository to use.
2926
:param stack_on: A location to stack on
2927
:param stack_on_pwd: If stack_on is relative, the location it is
2930
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2932
self._repository = repository
2934
def acquire_repository(self, make_working_trees=None, shared=False):
2935
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2937
Returns an existing repository to use
2939
self._add_fallback(self._repository)
2940
return self._repository
2943
format_registry = BzrDirFormatRegistry()
2944
format_registry.register('weave', BzrDirFormat6,
2945
'Pre-0.8 format. Slower than knit and does not'
2946
' support checkouts or shared repositories.',
2948
format_registry.register_metadir('knit',
2949
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2950
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
2951
branch_format='bzrlib.branch.BzrBranchFormat5',
2952
tree_format='bzrlib.workingtree.WorkingTreeFormat3')
2953
format_registry.register_metadir('metaweave',
2954
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
2955
'Transitional format in 0.8. Slower than knit.',
2956
branch_format='bzrlib.branch.BzrBranchFormat5',
2957
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
2959
format_registry.register_metadir('dirstate',
2960
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2961
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
2962
'above when accessed over the network.',
2963
branch_format='bzrlib.branch.BzrBranchFormat5',
2964
# this uses bzrlib.workingtree.WorkingTreeFormat4 because importing
2965
# directly from workingtree_4 triggers a circular import.
2966
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2968
format_registry.register_metadir('dirstate-tags',
2969
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2970
help='New in 0.15: Fast local operations and improved scaling for '
2971
'network operations. Additionally adds support for tags.'
2972
' Incompatible with bzr < 0.15.',
2973
branch_format='bzrlib.branch.BzrBranchFormat6',
2974
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2976
format_registry.register_metadir('rich-root',
2977
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
2978
help='New in 1.0. Better handling of tree roots. Incompatible with'
2980
branch_format='bzrlib.branch.BzrBranchFormat6',
2981
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2983
format_registry.register_metadir('dirstate-with-subtree',
2984
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
2985
help='New in 0.15: Fast local operations and improved scaling for '
2986
'network operations. Additionally adds support for versioning nested '
2987
'bzr branches. Incompatible with bzr < 0.15.',
2988
branch_format='bzrlib.branch.BzrBranchFormat6',
2989
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2993
format_registry.register_metadir('pack-0.92',
2994
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack1',
2995
help='New in 0.92: Pack-based format with data compatible with '
2996
'dirstate-tags format repositories. Interoperates with '
2997
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
2998
'Previously called knitpack-experimental. '
2999
'For more information, see '
3000
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3001
branch_format='bzrlib.branch.BzrBranchFormat6',
3002
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3004
format_registry.register_metadir('pack-0.92-subtree',
3005
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack3',
3006
help='New in 0.92: Pack-based format with data compatible with '
3007
'dirstate-with-subtree format repositories. Interoperates with '
3008
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3009
'Previously called knitpack-experimental. '
3010
'For more information, see '
3011
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3012
branch_format='bzrlib.branch.BzrBranchFormat6',
3013
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3017
format_registry.register_metadir('rich-root-pack',
3018
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack4',
3019
help='New in 1.0: Pack-based format with data compatible with '
3020
'rich-root format repositories. Incompatible with'
3022
branch_format='bzrlib.branch.BzrBranchFormat6',
3023
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3025
format_registry.register_metadir('1.6',
3026
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5',
3027
help='A branch and pack based repository that supports stacking. ',
3028
branch_format='bzrlib.branch.BzrBranchFormat7',
3029
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3031
format_registry.register_metadir('1.6-rich-root',
3032
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5RichRoot',
3033
help='A branch and pack based repository that supports stacking '
3034
'and rich root data (needed for bzr-svn). ',
3035
branch_format='bzrlib.branch.BzrBranchFormat7',
3036
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3038
# The following two formats should always just be aliases.
3039
format_registry.register_metadir('development',
3040
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1',
3041
help='Current development format. Can convert data to and from pack-0.92 '
3042
'(and anything compatible with pack-0.92) format repositories. '
3043
'Repositories and branches in this format can only be read by bzr.dev. '
3045
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3047
branch_format='bzrlib.branch.BzrBranchFormat7',
3048
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3052
format_registry.register_metadir('development-subtree',
3053
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1Subtree',
3054
help='Current development format, subtree variant. Can convert data to and '
3055
'from pack-0.92-subtree (and anything compatible with '
3056
'pack-0.92-subtree) format repositories. Repositories and branches in '
3057
'this format can only be read by bzr.dev. Please read '
3058
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3060
branch_format='bzrlib.branch.BzrBranchFormat7',
3061
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3065
# And the development formats which the will have aliased one of follow:
3066
format_registry.register_metadir('development0',
3067
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0',
3068
help='Trivial rename of pack-0.92 to provide a development format. '
3070
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3072
branch_format='bzrlib.branch.BzrBranchFormat6',
3073
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3077
format_registry.register_metadir('development0-subtree',
3078
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0Subtree',
3079
help='Trivial rename of pack-0.92-subtree to provide a development format. '
3081
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3083
branch_format='bzrlib.branch.BzrBranchFormat6',
3084
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3088
format_registry.register_metadir('development1',
3089
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1',
3090
help='A branch and pack based repository that supports stacking. '
3092
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3094
branch_format='bzrlib.branch.BzrBranchFormat7',
3095
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3099
format_registry.register_metadir('development1-subtree',
3100
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1Subtree',
3101
help='A branch and pack based repository that supports stacking. '
3103
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3105
branch_format='bzrlib.branch.BzrBranchFormat7',
3106
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3110
# The current format that is made on 'bzr init'.
3111
format_registry.set_default('pack-0.92')
added
removed
bzrlib/bzrdir.py
