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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
1089
format_forced = False
1091
or repository_policy._require_stacking
1092
or repository_policy._stack_on)
1093
and not result._format.get_branch_format().supports_stacking()):
1094
# We need to make a stacked branch, but the default format for the
1095
# target doesn't support stacking. So force a branch that *can*
1097
from bzrlib.branch import BzrBranchFormat7
1098
format = BzrBranchFormat7()
1099
result_branch = format.initialize(result)
1100
mutter("using %r for stacking" % (format,))
1101
format_forced = True
1102
elif source_branch is None:
1103
# this is for sprouting a bzrdir without a branch; is that
1105
result_branch = result.create_branch()
1107
result_branch = source_branch.sprout(
1108
result, revision_id=revision_id)
1109
mutter("created new branch %r" % (result_branch,))
1110
repository_policy.configure_branch(result_branch)
1111
if source_branch is not None and format_forced:
1112
# XXX: this duplicates Branch.sprout(); it probably belongs on an
1113
# InterBranch method? -- mbp 20080724
1114
source_branch.copy_content_into(result_branch,
1115
revision_id=revision_id)
1116
result_branch.set_parent(self.root_transport.base)
1118
# Create/update the result working tree
1119
if isinstance(target_transport, LocalTransport) and (
1120
result_repo is None or result_repo.make_working_trees()):
1121
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
1125
if wt.path2id('') is None:
1127
wt.set_root_id(self.open_workingtree.get_root_id())
1128
except errors.NoWorkingTree:
1134
if recurse == 'down':
1136
basis = wt.basis_tree()
1138
subtrees = basis.iter_references()
1139
elif source_branch is not None:
1140
basis = source_branch.basis_tree()
1142
subtrees = basis.iter_references()
1147
for path, file_id in subtrees:
1148
target = urlutils.join(url, urlutils.escape(path))
1149
sublocation = source_branch.reference_parent(file_id, path)
1150
sublocation.bzrdir.sprout(target,
1151
basis.get_reference_revision(file_id, path),
1152
force_new_repo=force_new_repo, recurse=recurse,
1155
if basis is not None:
1160
class BzrDirPreSplitOut(BzrDir):
1161
"""A common class for the all-in-one formats."""
1163
def __init__(self, _transport, _format):
1164
"""See BzrDir.__init__."""
1165
super(BzrDirPreSplitOut, self).__init__(_transport, _format)
1166
self._control_files = lockable_files.LockableFiles(
1167
self.get_branch_transport(None),
1168
self._format._lock_file_name,
1169
self._format._lock_class)
1171
def break_lock(self):
1172
"""Pre-splitout bzrdirs do not suffer from stale locks."""
1173
raise NotImplementedError(self.break_lock)
1175
def cloning_metadir(self):
1176
"""Produce a metadir suitable for cloning with."""
1177
return self._format.__class__()
1179
def clone(self, url, revision_id=None, force_new_repo=False,
1180
preserve_stacking=False):
1181
"""See BzrDir.clone().
1183
force_new_repo has no effect, since this family of formats always
1184
require a new repository.
1185
preserve_stacking has no effect, since no source branch using this
1186
family of formats can be stacked, so there is no stacking to preserve.
1188
from bzrlib.workingtree import WorkingTreeFormat2
1189
self._make_tail(url)
1190
result = self._format._initialize_for_clone(url)
1191
self.open_repository().clone(result, revision_id=revision_id)
1192
from_branch = self.open_branch()
1193
from_branch.clone(result, revision_id=revision_id)
1195
self.open_workingtree().clone(result)
1196
except errors.NotLocalUrl:
1197
# make a new one, this format always has to have one.
1199
WorkingTreeFormat2().initialize(result)
1200
except errors.NotLocalUrl:
1201
# but we cannot do it for remote trees.
1202
to_branch = result.open_branch()
1203
WorkingTreeFormat2()._stub_initialize_remote(to_branch)
1206
def create_branch(self):
1207
"""See BzrDir.create_branch."""
1208
return self.open_branch()
1210
def destroy_branch(self):
1211
"""See BzrDir.destroy_branch."""
1212
raise errors.UnsupportedOperation(self.destroy_branch, self)
1214
def create_repository(self, shared=False):
1215
"""See BzrDir.create_repository."""
1217
raise errors.IncompatibleFormat('shared repository', self._format)
1218
return self.open_repository()
1220
def destroy_repository(self):
1221
"""See BzrDir.destroy_repository."""
1222
raise errors.UnsupportedOperation(self.destroy_repository, self)
1224
def create_workingtree(self, revision_id=None, from_branch=None,
1225
accelerator_tree=None, hardlink=False):
1226
"""See BzrDir.create_workingtree."""
1227
# this looks buggy but is not -really-
1228
# because this format creates the workingtree when the bzrdir is
1230
# clone and sprout will have set the revision_id
1231
# and that will have set it for us, its only
1232
# specific uses of create_workingtree in isolation
1233
# that can do wonky stuff here, and that only
1234
# happens for creating checkouts, which cannot be
1235
# done on this format anyway. So - acceptable wart.
1236
result = self.open_workingtree(recommend_upgrade=False)
1237
if revision_id is not None:
1238
if revision_id == _mod_revision.NULL_REVISION:
1239
result.set_parent_ids([])
1241
result.set_parent_ids([revision_id])
1244
def destroy_workingtree(self):
1245
"""See BzrDir.destroy_workingtree."""
1246
raise errors.UnsupportedOperation(self.destroy_workingtree, self)
1248
def destroy_workingtree_metadata(self):
1249
"""See BzrDir.destroy_workingtree_metadata."""
1250
raise errors.UnsupportedOperation(self.destroy_workingtree_metadata,
1253
def get_branch_transport(self, branch_format):
1254
"""See BzrDir.get_branch_transport()."""
1255
if branch_format is None:
1256
return self.transport
1258
branch_format.get_format_string()
1259
except NotImplementedError:
1260
return self.transport
1261
raise errors.IncompatibleFormat(branch_format, self._format)
1263
def get_repository_transport(self, repository_format):
1264
"""See BzrDir.get_repository_transport()."""
1265
if repository_format is None:
1266
return self.transport
1268
repository_format.get_format_string()
1269
except NotImplementedError:
1270
return self.transport
1271
raise errors.IncompatibleFormat(repository_format, self._format)
1273
def get_workingtree_transport(self, workingtree_format):
1274
"""See BzrDir.get_workingtree_transport()."""
1275
if workingtree_format is None:
1276
return self.transport
1278
workingtree_format.get_format_string()
1279
except NotImplementedError:
1280
return self.transport
1281
raise errors.IncompatibleFormat(workingtree_format, self._format)
1283
def needs_format_conversion(self, format=None):
1284
"""See BzrDir.needs_format_conversion()."""
1285
# if the format is not the same as the system default,
1286
# an upgrade is needed.
1288
format = BzrDirFormat.get_default_format()
1289
return not isinstance(self._format, format.__class__)
1291
def open_branch(self, unsupported=False):
1292
"""See BzrDir.open_branch."""
1293
from bzrlib.branch import BzrBranchFormat4
1294
format = BzrBranchFormat4()
1295
self._check_supported(format, unsupported)
1296
return format.open(self, _found=True)
1298
def sprout(self, url, revision_id=None, force_new_repo=False,
1299
possible_transports=None, accelerator_tree=None,
1300
hardlink=False, stacked=False):
1301
"""See BzrDir.sprout()."""
1303
raise errors.UnstackableBranchFormat(
1304
self._format, self.root_transport.base)
1305
from bzrlib.workingtree import WorkingTreeFormat2
1306
self._make_tail(url)
1307
result = self._format._initialize_for_clone(url)
1309
self.open_repository().clone(result, revision_id=revision_id)
1310
except errors.NoRepositoryPresent:
1313
self.open_branch().sprout(result, revision_id=revision_id)
1314
except errors.NotBranchError:
1316
# we always want a working tree
1317
WorkingTreeFormat2().initialize(result,
1318
accelerator_tree=accelerator_tree,
1323
class BzrDir4(BzrDirPreSplitOut):
1324
"""A .bzr version 4 control object.
1326
This is a deprecated format and may be removed after sept 2006.
1329
def create_repository(self, shared=False):
1330
"""See BzrDir.create_repository."""
1331
return self._format.repository_format.initialize(self, shared)
1333
def needs_format_conversion(self, format=None):
1334
"""Format 4 dirs are always in need of conversion."""
1337
def open_repository(self):
1338
"""See BzrDir.open_repository."""
1339
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1340
return RepositoryFormat4().open(self, _found=True)
1343
class BzrDir5(BzrDirPreSplitOut):
1344
"""A .bzr version 5 control object.
1346
This is a deprecated format and may be removed after sept 2006.
1349
def open_repository(self):
1350
"""See BzrDir.open_repository."""
1351
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1352
return RepositoryFormat5().open(self, _found=True)
1354
def open_workingtree(self, _unsupported=False,
1355
recommend_upgrade=True):
1356
"""See BzrDir.create_workingtree."""
1357
from bzrlib.workingtree import WorkingTreeFormat2
1358
wt_format = WorkingTreeFormat2()
1359
# we don't warn here about upgrades; that ought to be handled for the
1361
return wt_format.open(self, _found=True)
1364
class BzrDir6(BzrDirPreSplitOut):
1365
"""A .bzr version 6 control object.
1367
This is a deprecated format and may be removed after sept 2006.
1370
def open_repository(self):
1371
"""See BzrDir.open_repository."""
1372
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1373
return RepositoryFormat6().open(self, _found=True)
1375
def open_workingtree(self, _unsupported=False,
1376
recommend_upgrade=True):
1377
"""See BzrDir.create_workingtree."""
1378
# we don't warn here about upgrades; that ought to be handled for the
1380
from bzrlib.workingtree import WorkingTreeFormat2
1381
return WorkingTreeFormat2().open(self, _found=True)
1384
class BzrDirMeta1(BzrDir):
1385
"""A .bzr meta version 1 control object.
1387
This is the first control object where the
1388
individual aspects are really split out: there are separate repository,
1389
workingtree and branch subdirectories and any subset of the three can be
1390
present within a BzrDir.
1393
def can_convert_format(self):
1394
"""See BzrDir.can_convert_format()."""
1397
def create_branch(self):
1398
"""See BzrDir.create_branch."""
1399
return self._format.get_branch_format().initialize(self)
1401
def destroy_branch(self):
1402
"""See BzrDir.create_branch."""
1403
self.transport.delete_tree('branch')
1405
def create_repository(self, shared=False):
1406
"""See BzrDir.create_repository."""
1407
return self._format.repository_format.initialize(self, shared)
1409
def destroy_repository(self):
1410
"""See BzrDir.destroy_repository."""
1411
self.transport.delete_tree('repository')
1413
def create_workingtree(self, revision_id=None, from_branch=None,
1414
accelerator_tree=None, hardlink=False):
1415
"""See BzrDir.create_workingtree."""
1416
return self._format.workingtree_format.initialize(
1417
self, revision_id, from_branch=from_branch,
1418
accelerator_tree=accelerator_tree, hardlink=hardlink)
1420
def destroy_workingtree(self):
1421
"""See BzrDir.destroy_workingtree."""
1422
wt = self.open_workingtree(recommend_upgrade=False)
1423
repository = wt.branch.repository
1424
empty = repository.revision_tree(_mod_revision.NULL_REVISION)
1425
wt.revert(old_tree=empty)
1426
self.destroy_workingtree_metadata()
1428
def destroy_workingtree_metadata(self):
1429
self.transport.delete_tree('checkout')
1431
def find_branch_format(self):
1432
"""Find the branch 'format' for this bzrdir.
1434
This might be a synthetic object for e.g. RemoteBranch and SVN.
1436
from bzrlib.branch import BranchFormat
1437
return BranchFormat.find_format(self)
1439
def _get_mkdir_mode(self):
1440
"""Figure out the mode to use when creating a bzrdir subdir."""
1441
temp_control = lockable_files.LockableFiles(self.transport, '',
1442
lockable_files.TransportLock)
1443
return temp_control._dir_mode
1445
def get_branch_reference(self):
1446
"""See BzrDir.get_branch_reference()."""
1447
from bzrlib.branch import BranchFormat
1448
format = BranchFormat.find_format(self)
1449
return format.get_reference(self)
1451
def get_branch_transport(self, branch_format):
1452
"""See BzrDir.get_branch_transport()."""
1453
if branch_format is None:
1454
return self.transport.clone('branch')
1456
branch_format.get_format_string()
1457
except NotImplementedError:
1458
raise errors.IncompatibleFormat(branch_format, self._format)
1460
self.transport.mkdir('branch', mode=self._get_mkdir_mode())
1461
except errors.FileExists:
1463
return self.transport.clone('branch')
1465
def get_repository_transport(self, repository_format):
1466
"""See BzrDir.get_repository_transport()."""
1467
if repository_format is None:
1468
return self.transport.clone('repository')
1470
repository_format.get_format_string()
1471
except NotImplementedError:
1472
raise errors.IncompatibleFormat(repository_format, self._format)
1474
self.transport.mkdir('repository', mode=self._get_mkdir_mode())
1475
except errors.FileExists:
1477
return self.transport.clone('repository')
1479
def get_workingtree_transport(self, workingtree_format):
1480
"""See BzrDir.get_workingtree_transport()."""
1481
if workingtree_format is None:
1482
return self.transport.clone('checkout')
1484
workingtree_format.get_format_string()
1485
except NotImplementedError:
1486
raise errors.IncompatibleFormat(workingtree_format, self._format)
1488
self.transport.mkdir('checkout', mode=self._get_mkdir_mode())
1489
except errors.FileExists:
1491
return self.transport.clone('checkout')
1493
def needs_format_conversion(self, format=None):
1494
"""See BzrDir.needs_format_conversion()."""
1496
format = BzrDirFormat.get_default_format()
1497
if not isinstance(self._format, format.__class__):
1498
# it is not a meta dir format, conversion is needed.
1500
# we might want to push this down to the repository?
1502
if not isinstance(self.open_repository()._format,
1503
format.repository_format.__class__):
1504
# the repository needs an upgrade.
1506
except errors.NoRepositoryPresent:
1509
if not isinstance(self.open_branch()._format,
1510
format.get_branch_format().__class__):
1511
# the branch needs an upgrade.
1513
except errors.NotBranchError:
1516
my_wt = self.open_workingtree(recommend_upgrade=False)
1517
if not isinstance(my_wt._format,
1518
format.workingtree_format.__class__):
1519
# the workingtree needs an upgrade.
1521
except (errors.NoWorkingTree, errors.NotLocalUrl):
1525
def open_branch(self, unsupported=False):
1526
"""See BzrDir.open_branch."""
1527
format = self.find_branch_format()
1528
self._check_supported(format, unsupported)
1529
return format.open(self, _found=True)
1531
def open_repository(self, unsupported=False):
1532
"""See BzrDir.open_repository."""
1533
from bzrlib.repository import RepositoryFormat
1534
format = RepositoryFormat.find_format(self)
1535
self._check_supported(format, unsupported)
1536
return format.open(self, _found=True)
1538
def open_workingtree(self, unsupported=False,
1539
recommend_upgrade=True):
1540
"""See BzrDir.open_workingtree."""
1541
from bzrlib.workingtree import WorkingTreeFormat
1542
format = WorkingTreeFormat.find_format(self)
1543
self._check_supported(format, unsupported,
1545
basedir=self.root_transport.base)
1546
return format.open(self, _found=True)
1548
def _get_config(self):
1549
return config.BzrDirConfig(self.transport)
1552
class BzrDirFormat(object):
1553
"""An encapsulation of the initialization and open routines for a format.
1555
Formats provide three things:
1556
* An initialization routine,
1560
Formats are placed in a dict by their format string for reference
1561
during bzrdir opening. These should be subclasses of BzrDirFormat
1564
Once a format is deprecated, just deprecate the initialize and open
1565
methods on the format class. Do not deprecate the object, as the
1566
object will be created every system load.
1569
_default_format = None
1570
"""The default format used for new .bzr dirs."""
1573
"""The known formats."""
1575
_control_formats = []
1576
"""The registered control formats - .bzr, ....
1578
This is a list of BzrDirFormat objects.
1581
_control_server_formats = []
1582
"""The registered control server formats, e.g. RemoteBzrDirs.
1584
This is a list of BzrDirFormat objects.
1587
_lock_file_name = 'branch-lock'
1589
# _lock_class must be set in subclasses to the lock type, typ.
1590
# TransportLock or LockDir
1593
def find_format(klass, transport, _server_formats=True):
1594
"""Return the format present at transport."""
1596
formats = klass._control_server_formats + klass._control_formats
1598
formats = klass._control_formats
1599
for format in formats:
1601
return format.probe_transport(transport)
1602
except errors.NotBranchError:
1603
# this format does not find a control dir here.
1605
raise errors.NotBranchError(path=transport.base)
1608
def probe_transport(klass, transport):
1609
"""Return the .bzrdir style format present in a directory."""
1611
format_string = transport.get(".bzr/branch-format").read()
1612
except errors.NoSuchFile:
1613
raise errors.NotBranchError(path=transport.base)
1616
return klass._formats[format_string]
1618
raise errors.UnknownFormatError(format=format_string, kind='bzrdir')
1621
def get_default_format(klass):
1622
"""Return the current default format."""
1623
return klass._default_format
1625
def get_format_string(self):
1626
"""Return the ASCII format string that identifies this format."""
1627
raise NotImplementedError(self.get_format_string)
1629
def get_format_description(self):
1630
"""Return the short description for this format."""
1631
raise NotImplementedError(self.get_format_description)
1633
def get_converter(self, format=None):
1634
"""Return the converter to use to convert bzrdirs needing converts.
1636
This returns a bzrlib.bzrdir.Converter object.
1638
This should return the best upgrader to step this format towards the
1639
current default format. In the case of plugins we can/should provide
1640
some means for them to extend the range of returnable converters.
1642
:param format: Optional format to override the default format of the
1645
raise NotImplementedError(self.get_converter)
1647
def initialize(self, url, possible_transports=None):
1648
"""Create a bzr control dir at this url and return an opened copy.
1650
Subclasses should typically override initialize_on_transport
1651
instead of this method.
1653
return self.initialize_on_transport(get_transport(url,
1654
possible_transports))
1656
def initialize_on_transport(self, transport):
1657
"""Initialize a new bzrdir in the base directory of a Transport."""
1658
# Since we don't have a .bzr directory, inherit the
1659
# mode from the root directory
1660
temp_control = lockable_files.LockableFiles(transport,
1661
'', lockable_files.TransportLock)
1662
temp_control._transport.mkdir('.bzr',
1663
# FIXME: RBC 20060121 don't peek under
1665
mode=temp_control._dir_mode)
1666
if sys.platform == 'win32' and isinstance(transport, LocalTransport):
1667
win32utils.set_file_attr_hidden(transport._abspath('.bzr'))
1668
file_mode = temp_control._file_mode
1670
bzrdir_transport = transport.clone('.bzr')
1671
utf8_files = [('README',
1672
"This is a Bazaar control directory.\n"
1673
"Do not change any files in this directory.\n"
1674
"See http://bazaar-vcs.org/ for more information about Bazaar.\n"),
1675
('branch-format', self.get_format_string()),
1677
# NB: no need to escape relative paths that are url safe.
1678
control_files = lockable_files.LockableFiles(bzrdir_transport,
1679
self._lock_file_name, self._lock_class)
1680
control_files.create_lock()
1681
control_files.lock_write()
1683
for (filename, content) in utf8_files:
1684
bzrdir_transport.put_bytes(filename, content,
1687
control_files.unlock()
1688
return self.open(transport, _found=True)
1690
def is_supported(self):
1691
"""Is this format supported?
1693
Supported formats must be initializable and openable.
1694
Unsupported formats may not support initialization or committing or
1695
some other features depending on the reason for not being supported.
1699
def same_model(self, target_format):
1700
return (self.repository_format.rich_root_data ==
1701
target_format.rich_root_data)
1704
def known_formats(klass):
1705
"""Return all the known formats.
1707
Concrete formats should override _known_formats.
1709
# There is double indirection here to make sure that control
1710
# formats used by more than one dir format will only be probed
1711
# once. This can otherwise be quite expensive for remote connections.
1713
for format in klass._control_formats:
1714
result.update(format._known_formats())
1718
def _known_formats(klass):
1719
"""Return the known format instances for this control format."""
1720
return set(klass._formats.values())
1722
def open(self, transport, _found=False):
1723
"""Return an instance of this format for the dir transport points at.
1725
_found is a private parameter, do not use it.
1728
found_format = BzrDirFormat.find_format(transport)
1729
if not isinstance(found_format, self.__class__):
1730
raise AssertionError("%s was asked to open %s, but it seems to need "
1732
% (self, transport, found_format))
1733
return self._open(transport)
1735
def _open(self, transport):
1736
"""Template method helper for opening BzrDirectories.
1738
This performs the actual open and any additional logic or parameter
1741
raise NotImplementedError(self._open)
1744
def register_format(klass, format):
1745
klass._formats[format.get_format_string()] = format
1748
def register_control_format(klass, format):
1749
"""Register a format that does not use '.bzr' for its control dir.
1751
TODO: This should be pulled up into a 'ControlDirFormat' base class
1752
which BzrDirFormat can inherit from, and renamed to register_format
1753
there. It has been done without that for now for simplicity of
1756
klass._control_formats.append(format)
1759
def register_control_server_format(klass, format):
1760
"""Register a control format for client-server environments.
1762
These formats will be tried before ones registered with
1763
register_control_format. This gives implementations that decide to the
1764
chance to grab it before anything looks at the contents of the format
1767
klass._control_server_formats.append(format)
1770
def _set_default_format(klass, format):
1771
"""Set default format (for testing behavior of defaults only)"""
1772
klass._default_format = format
1776
return self.get_format_string().rstrip()
1779
def unregister_format(klass, format):
1780
del klass._formats[format.get_format_string()]
1783
def unregister_control_format(klass, format):
1784
klass._control_formats.remove(format)
1787
class BzrDirFormat4(BzrDirFormat):
1788
"""Bzr dir format 4.
1790
This format is a combined format for working tree, branch and repository.
1792
- Format 1 working trees [always]
1793
- Format 4 branches [always]
1794
- Format 4 repositories [always]
1796
This format is deprecated: it indexes texts using a text it which is
1797
removed in format 5; write support for this format has been removed.
1800
_lock_class = lockable_files.TransportLock
1802
def get_format_string(self):
1803
"""See BzrDirFormat.get_format_string()."""
1804
return "Bazaar-NG branch, format 0.0.4\n"
1806
def get_format_description(self):
1807
"""See BzrDirFormat.get_format_description()."""
1808
return "All-in-one format 4"
1810
def get_converter(self, format=None):
1811
"""See BzrDirFormat.get_converter()."""
1812
# there is one and only one upgrade path here.
1813
return ConvertBzrDir4To5()
1815
def initialize_on_transport(self, transport):
1816
"""Format 4 branches cannot be created."""
1817
raise errors.UninitializableFormat(self)
1819
def is_supported(self):
1820
"""Format 4 is not supported.
1822
It is not supported because the model changed from 4 to 5 and the
1823
conversion logic is expensive - so doing it on the fly was not
1828
def _open(self, transport):
1829
"""See BzrDirFormat._open."""
1830
return BzrDir4(transport, self)
1832
def __return_repository_format(self):
1833
"""Circular import protection."""
1834
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1835
return RepositoryFormat4()
1836
repository_format = property(__return_repository_format)
1839
class BzrDirFormat5(BzrDirFormat):
1840
"""Bzr control format 5.
1842
This format is a combined format for working tree, branch and repository.
1844
- Format 2 working trees [always]
1845
- Format 4 branches [always]
1846
- Format 5 repositories [always]
1847
Unhashed stores in the repository.
1850
_lock_class = lockable_files.TransportLock
1852
def get_format_string(self):
1853
"""See BzrDirFormat.get_format_string()."""
1854
return "Bazaar-NG branch, format 5\n"
1856
def get_format_description(self):
1857
"""See BzrDirFormat.get_format_description()."""
1858
return "All-in-one format 5"
1860
def get_converter(self, format=None):
1861
"""See BzrDirFormat.get_converter()."""
1862
# there is one and only one upgrade path here.
1863
return ConvertBzrDir5To6()
1865
def _initialize_for_clone(self, url):
1866
return self.initialize_on_transport(get_transport(url), _cloning=True)
1868
def initialize_on_transport(self, transport, _cloning=False):
1869
"""Format 5 dirs always have working tree, branch and repository.
1871
Except when they are being cloned.
1873
from bzrlib.branch import BzrBranchFormat4
1874
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1875
from bzrlib.workingtree import WorkingTreeFormat2
1876
result = (super(BzrDirFormat5, self).initialize_on_transport(transport))
1877
RepositoryFormat5().initialize(result, _internal=True)
1879
branch = BzrBranchFormat4().initialize(result)
1881
WorkingTreeFormat2().initialize(result)
1882
except errors.NotLocalUrl:
1883
# Even though we can't access the working tree, we need to
1884
# create its control files.
1885
WorkingTreeFormat2()._stub_initialize_remote(branch)
1888
def _open(self, transport):
1889
"""See BzrDirFormat._open."""
1890
return BzrDir5(transport, self)
1892
def __return_repository_format(self):
1893
"""Circular import protection."""
1894
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1895
return RepositoryFormat5()
1896
repository_format = property(__return_repository_format)
1899
class BzrDirFormat6(BzrDirFormat):
1900
"""Bzr control format 6.
1902
This format is a combined format for working tree, branch and repository.
1904
- Format 2 working trees [always]
1905
- Format 4 branches [always]
1906
- Format 6 repositories [always]
1909
_lock_class = lockable_files.TransportLock
1911
def get_format_string(self):
1912
"""See BzrDirFormat.get_format_string()."""
1913
return "Bazaar-NG branch, format 6\n"
1915
def get_format_description(self):
1916
"""See BzrDirFormat.get_format_description()."""
1917
return "All-in-one format 6"
1919
def get_converter(self, format=None):
1920
"""See BzrDirFormat.get_converter()."""
1921
# there is one and only one upgrade path here.
1922
return ConvertBzrDir6ToMeta()
1924
def _initialize_for_clone(self, url):
1925
return self.initialize_on_transport(get_transport(url), _cloning=True)
1927
def initialize_on_transport(self, transport, _cloning=False):
1928
"""Format 6 dirs always have working tree, branch and repository.
1930
Except when they are being cloned.
1932
from bzrlib.branch import BzrBranchFormat4
1933
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1934
from bzrlib.workingtree import WorkingTreeFormat2
1935
result = super(BzrDirFormat6, self).initialize_on_transport(transport)
1936
RepositoryFormat6().initialize(result, _internal=True)
1938
branch = BzrBranchFormat4().initialize(result)
1940
WorkingTreeFormat2().initialize(result)
1941
except errors.NotLocalUrl:
1942
# Even though we can't access the working tree, we need to
1943
# create its control files.
1944
WorkingTreeFormat2()._stub_initialize_remote(branch)
1947
def _open(self, transport):
1948
"""See BzrDirFormat._open."""
1949
return BzrDir6(transport, self)
1951
def __return_repository_format(self):
1952
"""Circular import protection."""
1953
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1954
return RepositoryFormat6()
1955
repository_format = property(__return_repository_format)
1958
class BzrDirMetaFormat1(BzrDirFormat):
1959
"""Bzr meta control format 1
1961
This is the first format with split out working tree, branch and repository
1964
- Format 3 working trees [optional]
1965
- Format 5 branches [optional]
1966
- Format 7 repositories [optional]
1969
_lock_class = lockdir.LockDir
1972
self._workingtree_format = None
1973
self._branch_format = None
1975
def __eq__(self, other):
1976
if other.__class__ is not self.__class__:
1978
if other.repository_format != self.repository_format:
1980
if other.workingtree_format != self.workingtree_format:
1984
def __ne__(self, other):
1985
return not self == other
1987
def get_branch_format(self):
1988
if self._branch_format is None:
1989
from bzrlib.branch import BranchFormat
1990
self._branch_format = BranchFormat.get_default_format()
1991
return self._branch_format
1993
def set_branch_format(self, format):
1994
self._branch_format = format
1996
def get_converter(self, format=None):
1997
"""See BzrDirFormat.get_converter()."""
1999
format = BzrDirFormat.get_default_format()
2000
if not isinstance(self, format.__class__):
2001
# converting away from metadir is not implemented
2002
raise NotImplementedError(self.get_converter)
2003
return ConvertMetaToMeta(format)
2005
def get_format_string(self):
2006
"""See BzrDirFormat.get_format_string()."""
2007
return "Bazaar-NG meta directory, format 1\n"
2009
def get_format_description(self):
2010
"""See BzrDirFormat.get_format_description()."""
2011
return "Meta directory format 1"
2013
def _open(self, transport):
2014
"""See BzrDirFormat._open."""
2015
return BzrDirMeta1(transport, self)
2017
def __return_repository_format(self):
2018
"""Circular import protection."""
2019
if getattr(self, '_repository_format', None):
2020
return self._repository_format
2021
from bzrlib.repository import RepositoryFormat
2022
return RepositoryFormat.get_default_format()
2024
def __set_repository_format(self, value):
2025
"""Allow changing the repository format for metadir formats."""
2026
self._repository_format = value
2028
repository_format = property(__return_repository_format, __set_repository_format)
2030
def __get_workingtree_format(self):
2031
if self._workingtree_format is None:
2032
from bzrlib.workingtree import WorkingTreeFormat
2033
self._workingtree_format = WorkingTreeFormat.get_default_format()
2034
return self._workingtree_format
2036
def __set_workingtree_format(self, wt_format):
2037
self._workingtree_format = wt_format
2039
workingtree_format = property(__get_workingtree_format,
2040
__set_workingtree_format)
2043
# Register bzr control format
2044
BzrDirFormat.register_control_format(BzrDirFormat)
2046
# Register bzr formats
2047
BzrDirFormat.register_format(BzrDirFormat4())
2048
BzrDirFormat.register_format(BzrDirFormat5())
2049
BzrDirFormat.register_format(BzrDirFormat6())
2050
__default_format = BzrDirMetaFormat1()
2051
BzrDirFormat.register_format(__default_format)
2052
BzrDirFormat._default_format = __default_format
2055
class Converter(object):
2056
"""Converts a disk format object from one format to another."""
2058
def convert(self, to_convert, pb):
2059
"""Perform the conversion of to_convert, giving feedback via pb.
2061
:param to_convert: The disk object to convert.
2062
:param pb: a progress bar to use for progress information.
2065
def step(self, message):
2066
"""Update the pb by a step."""
2068
self.pb.update(message, self.count, self.total)
2071
class ConvertBzrDir4To5(Converter):
2072
"""Converts format 4 bzr dirs to format 5."""
2075
super(ConvertBzrDir4To5, self).__init__()
2076
self.converted_revs = set()
2077
self.absent_revisions = set()
2081
def convert(self, to_convert, pb):
2082
"""See Converter.convert()."""
2083
self.bzrdir = to_convert
2085
self.pb.note('starting upgrade from format 4 to 5')
2086
if isinstance(self.bzrdir.transport, LocalTransport):
2087
self.bzrdir.get_workingtree_transport(None).delete('stat-cache')
2088
self._convert_to_weaves()
2089
return BzrDir.open(self.bzrdir.root_transport.base)
2091
def _convert_to_weaves(self):
2092
self.pb.note('note: upgrade may be faster if all store files are ungzipped first')
2095
stat = self.bzrdir.transport.stat('weaves')
2096
if not S_ISDIR(stat.st_mode):
2097
self.bzrdir.transport.delete('weaves')
2098
self.bzrdir.transport.mkdir('weaves')
2099
except errors.NoSuchFile:
2100
self.bzrdir.transport.mkdir('weaves')
2101
# deliberately not a WeaveFile as we want to build it up slowly.
2102
self.inv_weave = Weave('inventory')
2103
# holds in-memory weaves for all files
2104
self.text_weaves = {}
2105
self.bzrdir.transport.delete('branch-format')
2106
self.branch = self.bzrdir.open_branch()
2107
self._convert_working_inv()
2108
rev_history = self.branch.revision_history()
2109
# to_read is a stack holding the revisions we still need to process;
2110
# appending to it adds new highest-priority revisions
2111
self.known_revisions = set(rev_history)
2112
self.to_read = rev_history[-1:]
2114
rev_id = self.to_read.pop()
2115
if (rev_id not in self.revisions
2116
and rev_id not in self.absent_revisions):
2117
self._load_one_rev(rev_id)
2119
to_import = self._make_order()
2120
for i, rev_id in enumerate(to_import):
2121
self.pb.update('converting revision', i, len(to_import))
2122
self._convert_one_rev(rev_id)
2124
self._write_all_weaves()
2125
self._write_all_revs()
2126
self.pb.note('upgraded to weaves:')
2127
self.pb.note(' %6d revisions and inventories', len(self.revisions))
2128
self.pb.note(' %6d revisions not present', len(self.absent_revisions))
2129
self.pb.note(' %6d texts', self.text_count)
2130
self._cleanup_spare_files_after_format4()
2131
self.branch._transport.put_bytes(
2133
BzrDirFormat5().get_format_string(),
2134
mode=self.bzrdir._get_file_mode())
2136
def _cleanup_spare_files_after_format4(self):
2137
# FIXME working tree upgrade foo.
2138
for n in 'merged-patches', 'pending-merged-patches':
2140
## assert os.path.getsize(p) == 0
2141
self.bzrdir.transport.delete(n)
2142
except errors.NoSuchFile:
2144
self.bzrdir.transport.delete_tree('inventory-store')
2145
self.bzrdir.transport.delete_tree('text-store')
2147
def _convert_working_inv(self):
2148
inv = xml4.serializer_v4.read_inventory(
2149
self.branch._transport.get('inventory'))
2150
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv, working=True)
2151
self.branch._transport.put_bytes('inventory', new_inv_xml,
2152
mode=self.bzrdir._get_file_mode())
2154
def _write_all_weaves(self):
2155
controlweaves = WeaveStore(self.bzrdir.transport, prefixed=False)
2156
weave_transport = self.bzrdir.transport.clone('weaves')
2157
weaves = WeaveStore(weave_transport, prefixed=False)
2158
transaction = WriteTransaction()
2162
for file_id, file_weave in self.text_weaves.items():
2163
self.pb.update('writing weave', i, len(self.text_weaves))
2164
weaves._put_weave(file_id, file_weave, transaction)
2166
self.pb.update('inventory', 0, 1)
2167
controlweaves._put_weave('inventory', self.inv_weave, transaction)
2168
self.pb.update('inventory', 1, 1)
2172
def _write_all_revs(self):
2173
"""Write all revisions out in new form."""
2174
self.bzrdir.transport.delete_tree('revision-store')
2175
self.bzrdir.transport.mkdir('revision-store')
2176
revision_transport = self.bzrdir.transport.clone('revision-store')
2178
from bzrlib.xml5 import serializer_v5
2179
from bzrlib.repofmt.weaverepo import RevisionTextStore
2180
revision_store = RevisionTextStore(revision_transport,
2181
serializer_v5, False, versionedfile.PrefixMapper(),
2182
lambda:True, lambda:True)
2184
for i, rev_id in enumerate(self.converted_revs):
2185
self.pb.update('write revision', i, len(self.converted_revs))
2186
text = serializer_v5.write_revision_to_string(
2187
self.revisions[rev_id])
2189
revision_store.add_lines(key, None, osutils.split_lines(text))
2193
def _load_one_rev(self, rev_id):
2194
"""Load a revision object into memory.
2196
Any parents not either loaded or abandoned get queued to be
2198
self.pb.update('loading revision',
2199
len(self.revisions),
2200
len(self.known_revisions))
2201
if not self.branch.repository.has_revision(rev_id):
2203
self.pb.note('revision {%s} not present in branch; '
2204
'will be converted as a ghost',
2206
self.absent_revisions.add(rev_id)
2208
rev = self.branch.repository.get_revision(rev_id)
2209
for parent_id in rev.parent_ids:
2210
self.known_revisions.add(parent_id)
2211
self.to_read.append(parent_id)
2212
self.revisions[rev_id] = rev
2214
def _load_old_inventory(self, rev_id):
2215
old_inv_xml = self.branch.repository.inventory_store.get(rev_id).read()
2216
inv = xml4.serializer_v4.read_inventory_from_string(old_inv_xml)
2217
inv.revision_id = rev_id
2218
rev = self.revisions[rev_id]
2221
def _load_updated_inventory(self, rev_id):
2222
inv_xml = self.inv_weave.get_text(rev_id)
2223
inv = xml5.serializer_v5.read_inventory_from_string(inv_xml, rev_id)
2226
def _convert_one_rev(self, rev_id):
2227
"""Convert revision and all referenced objects to new format."""
2228
rev = self.revisions[rev_id]
2229
inv = self._load_old_inventory(rev_id)
2230
present_parents = [p for p in rev.parent_ids
2231
if p not in self.absent_revisions]
2232
self._convert_revision_contents(rev, inv, present_parents)
2233
self._store_new_inv(rev, inv, present_parents)
2234
self.converted_revs.add(rev_id)
2236
def _store_new_inv(self, rev, inv, present_parents):
2237
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
2238
new_inv_sha1 = sha_string(new_inv_xml)
2239
self.inv_weave.add_lines(rev.revision_id,
2241
new_inv_xml.splitlines(True))
2242
rev.inventory_sha1 = new_inv_sha1
2244
def _convert_revision_contents(self, rev, inv, present_parents):
2245
"""Convert all the files within a revision.
2247
Also upgrade the inventory to refer to the text revision ids."""
2248
rev_id = rev.revision_id
2249
mutter('converting texts of revision {%s}',
2251
parent_invs = map(self._load_updated_inventory, present_parents)
2252
entries = inv.iter_entries()
2254
for path, ie in entries:
2255
self._convert_file_version(rev, ie, parent_invs)
2257
def _convert_file_version(self, rev, ie, parent_invs):
2258
"""Convert one version of one file.
2260
The file needs to be added into the weave if it is a merge
2261
of >=2 parents or if it's changed from its parent.
2263
file_id = ie.file_id
2264
rev_id = rev.revision_id
2265
w = self.text_weaves.get(file_id)
2268
self.text_weaves[file_id] = w
2269
text_changed = False
2270
parent_candiate_entries = ie.parent_candidates(parent_invs)
2271
heads = graph.Graph(self).heads(parent_candiate_entries.keys())
2272
# XXX: Note that this is unordered - and this is tolerable because
2273
# the previous code was also unordered.
2274
previous_entries = dict((head, parent_candiate_entries[head]) for head
2276
self.snapshot_ie(previous_entries, ie, w, rev_id)
2279
@symbol_versioning.deprecated_method(symbol_versioning.one_one)
2280
def get_parents(self, revision_ids):
2281
for revision_id in revision_ids:
2282
yield self.revisions[revision_id].parent_ids
2284
def get_parent_map(self, revision_ids):
2285
"""See graph._StackedParentsProvider.get_parent_map"""
2286
return dict((revision_id, self.revisions[revision_id])
2287
for revision_id in revision_ids
2288
if revision_id in self.revisions)
2290
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
2291
# TODO: convert this logic, which is ~= snapshot to
2292
# a call to:. This needs the path figured out. rather than a work_tree
2293
# a v4 revision_tree can be given, or something that looks enough like
2294
# one to give the file content to the entry if it needs it.
2295
# and we need something that looks like a weave store for snapshot to
2297
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
2298
if len(previous_revisions) == 1:
2299
previous_ie = previous_revisions.values()[0]
2300
if ie._unchanged(previous_ie):
2301
ie.revision = previous_ie.revision
2304
text = self.branch.repository._text_store.get(ie.text_id)
2305
file_lines = text.readlines()
2306
w.add_lines(rev_id, previous_revisions, file_lines)
2307
self.text_count += 1
2309
w.add_lines(rev_id, previous_revisions, [])
2310
ie.revision = rev_id
2312
def _make_order(self):
2313
"""Return a suitable order for importing revisions.
2315
The order must be such that an revision is imported after all
2316
its (present) parents.
2318
todo = set(self.revisions.keys())
2319
done = self.absent_revisions.copy()
2322
# scan through looking for a revision whose parents
2324
for rev_id in sorted(list(todo)):
2325
rev = self.revisions[rev_id]
2326
parent_ids = set(rev.parent_ids)
2327
if parent_ids.issubset(done):
2328
# can take this one now
2329
order.append(rev_id)
2335
class ConvertBzrDir5To6(Converter):
2336
"""Converts format 5 bzr dirs to format 6."""
2338
def convert(self, to_convert, pb):
2339
"""See Converter.convert()."""
2340
self.bzrdir = to_convert
2342
self.pb.note('starting upgrade from format 5 to 6')
2343
self._convert_to_prefixed()
2344
return BzrDir.open(self.bzrdir.root_transport.base)
2346
def _convert_to_prefixed(self):
2347
from bzrlib.store import TransportStore
2348
self.bzrdir.transport.delete('branch-format')
2349
for store_name in ["weaves", "revision-store"]:
2350
self.pb.note("adding prefixes to %s" % store_name)
2351
store_transport = self.bzrdir.transport.clone(store_name)
2352
store = TransportStore(store_transport, prefixed=True)
2353
for urlfilename in store_transport.list_dir('.'):
2354
filename = urlutils.unescape(urlfilename)
2355
if (filename.endswith(".weave") or
2356
filename.endswith(".gz") or
2357
filename.endswith(".sig")):
2358
file_id, suffix = os.path.splitext(filename)
2362
new_name = store._mapper.map((file_id,)) + suffix
2363
# FIXME keep track of the dirs made RBC 20060121
2365
store_transport.move(filename, new_name)
2366
except errors.NoSuchFile: # catches missing dirs strangely enough
2367
store_transport.mkdir(osutils.dirname(new_name))
2368
store_transport.move(filename, new_name)
2369
self.bzrdir.transport.put_bytes(
2371
BzrDirFormat6().get_format_string(),
2372
mode=self.bzrdir._get_file_mode())
2375
class ConvertBzrDir6ToMeta(Converter):
2376
"""Converts format 6 bzr dirs to metadirs."""
2378
def convert(self, to_convert, pb):
2379
"""See Converter.convert()."""
2380
from bzrlib.repofmt.weaverepo import RepositoryFormat7
2381
from bzrlib.branch import BzrBranchFormat5
2382
self.bzrdir = to_convert
2385
self.total = 20 # the steps we know about
2386
self.garbage_inventories = []
2387
self.dir_mode = self.bzrdir._get_dir_mode()
2388
self.file_mode = self.bzrdir._get_file_mode()
2390
self.pb.note('starting upgrade from format 6 to metadir')
2391
self.bzrdir.transport.put_bytes(
2393
"Converting to format 6",
2394
mode=self.file_mode)
2395
# its faster to move specific files around than to open and use the apis...
2396
# first off, nuke ancestry.weave, it was never used.
2398
self.step('Removing ancestry.weave')
2399
self.bzrdir.transport.delete('ancestry.weave')
2400
except errors.NoSuchFile:
2402
# find out whats there
2403
self.step('Finding branch files')
2404
last_revision = self.bzrdir.open_branch().last_revision()
2405
bzrcontents = self.bzrdir.transport.list_dir('.')
2406
for name in bzrcontents:
2407
if name.startswith('basis-inventory.'):
2408
self.garbage_inventories.append(name)
2409
# create new directories for repository, working tree and branch
2410
repository_names = [('inventory.weave', True),
2411
('revision-store', True),
2413
self.step('Upgrading repository ')
2414
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
2415
self.make_lock('repository')
2416
# we hard code the formats here because we are converting into
2417
# the meta format. The meta format upgrader can take this to a
2418
# future format within each component.
2419
self.put_format('repository', RepositoryFormat7())
2420
for entry in repository_names:
2421
self.move_entry('repository', entry)
2423
self.step('Upgrading branch ')
2424
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
2425
self.make_lock('branch')
2426
self.put_format('branch', BzrBranchFormat5())
2427
branch_files = [('revision-history', True),
2428
('branch-name', True),
2430
for entry in branch_files:
2431
self.move_entry('branch', entry)
2433
checkout_files = [('pending-merges', True),
2434
('inventory', True),
2435
('stat-cache', False)]
2436
# If a mandatory checkout file is not present, the branch does not have
2437
# a functional checkout. Do not create a checkout in the converted
2439
for name, mandatory in checkout_files:
2440
if mandatory and name not in bzrcontents:
2441
has_checkout = False
2445
if not has_checkout:
2446
self.pb.note('No working tree.')
2447
# If some checkout files are there, we may as well get rid of them.
2448
for name, mandatory in checkout_files:
2449
if name in bzrcontents:
2450
self.bzrdir.transport.delete(name)
2452
from bzrlib.workingtree import WorkingTreeFormat3
2453
self.step('Upgrading working tree')
2454
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
2455
self.make_lock('checkout')
2457
'checkout', WorkingTreeFormat3())
2458
self.bzrdir.transport.delete_multi(
2459
self.garbage_inventories, self.pb)
2460
for entry in checkout_files:
2461
self.move_entry('checkout', entry)
2462
if last_revision is not None:
2463
self.bzrdir.transport.put_bytes(
2464
'checkout/last-revision', last_revision)
2465
self.bzrdir.transport.put_bytes(
2467
BzrDirMetaFormat1().get_format_string(),
2468
mode=self.file_mode)
2469
return BzrDir.open(self.bzrdir.root_transport.base)
2471
def make_lock(self, name):
2472
"""Make a lock for the new control dir name."""
2473
self.step('Make %s lock' % name)
2474
ld = lockdir.LockDir(self.bzrdir.transport,
2476
file_modebits=self.file_mode,
2477
dir_modebits=self.dir_mode)
2480
def move_entry(self, new_dir, entry):
2481
"""Move then entry name into new_dir."""
2483
mandatory = entry[1]
2484
self.step('Moving %s' % name)
2486
self.bzrdir.transport.move(name, '%s/%s' % (new_dir, name))
2487
except errors.NoSuchFile:
2491
def put_format(self, dirname, format):
2492
self.bzrdir.transport.put_bytes('%s/format' % dirname,
2493
format.get_format_string(),
2497
class ConvertMetaToMeta(Converter):
2498
"""Converts the components of metadirs."""
2500
def __init__(self, target_format):
2501
"""Create a metadir to metadir converter.
2503
:param target_format: The final metadir format that is desired.
2505
self.target_format = target_format
2507
def convert(self, to_convert, pb):
2508
"""See Converter.convert()."""
2509
self.bzrdir = to_convert
2513
self.step('checking repository format')
2515
repo = self.bzrdir.open_repository()
2516
except errors.NoRepositoryPresent:
2519
if not isinstance(repo._format, self.target_format.repository_format.__class__):
2520
from bzrlib.repository import CopyConverter
2521
self.pb.note('starting repository conversion')
2522
converter = CopyConverter(self.target_format.repository_format)
2523
converter.convert(repo, pb)
2525
branch = self.bzrdir.open_branch()
2526
except errors.NotBranchError:
2529
# TODO: conversions of Branch and Tree should be done by
2530
# InterXFormat lookups/some sort of registry.
2531
# Avoid circular imports
2532
from bzrlib import branch as _mod_branch
2533
old = branch._format.__class__
2534
new = self.target_format.get_branch_format().__class__
2536
if (old == _mod_branch.BzrBranchFormat5 and
2537
new in (_mod_branch.BzrBranchFormat6,
2538
_mod_branch.BzrBranchFormat7)):
2539
branch_converter = _mod_branch.Converter5to6()
2540
elif (old == _mod_branch.BzrBranchFormat6 and
2541
new == _mod_branch.BzrBranchFormat7):
2542
branch_converter = _mod_branch.Converter6to7()
2544
raise errors.BadConversionTarget("No converter", new)
2545
branch_converter.convert(branch)
2546
branch = self.bzrdir.open_branch()
2547
old = branch._format.__class__
2549
tree = self.bzrdir.open_workingtree(recommend_upgrade=False)
2550
except (errors.NoWorkingTree, errors.NotLocalUrl):
2553
# TODO: conversions of Branch and Tree should be done by
2554
# InterXFormat lookups
2555
if (isinstance(tree, workingtree.WorkingTree3) and
2556
not isinstance(tree, workingtree_4.WorkingTree4) and
2557
isinstance(self.target_format.workingtree_format,
2558
workingtree_4.WorkingTreeFormat4)):
2559
workingtree_4.Converter3to4().convert(tree)
2563
# This is not in remote.py because it's small, and needs to be registered.
2564
# Putting it in remote.py creates a circular import problem.
2565
# we can make it a lazy object if the control formats is turned into something
2567
class RemoteBzrDirFormat(BzrDirMetaFormat1):
2568
"""Format representing bzrdirs accessed via a smart server"""
2570
def get_format_description(self):
2571
return 'bzr remote bzrdir'
2574
def probe_transport(klass, transport):
2575
"""Return a RemoteBzrDirFormat object if it looks possible."""
2577
medium = transport.get_smart_medium()
2578
except (NotImplementedError, AttributeError,
2579
errors.TransportNotPossible, errors.NoSmartMedium,
2580
errors.SmartProtocolError):
2581
# no smart server, so not a branch for this format type.
2582
raise errors.NotBranchError(path=transport.base)
2584
# Decline to open it if the server doesn't support our required
2585
# version (3) so that the VFS-based transport will do it.
2586
if medium.should_probe():
2588
server_version = medium.protocol_version()
2589
except errors.SmartProtocolError:
2590
# Apparently there's no usable smart server there, even though
2591
# the medium supports the smart protocol.
2592
raise errors.NotBranchError(path=transport.base)
2593
if server_version != '2':
2594
raise errors.NotBranchError(path=transport.base)
2597
def initialize_on_transport(self, transport):
2599
# hand off the request to the smart server
2600
client_medium = transport.get_smart_medium()
2601
except errors.NoSmartMedium:
2602
# TODO: lookup the local format from a server hint.
2603
local_dir_format = BzrDirMetaFormat1()
2604
return local_dir_format.initialize_on_transport(transport)
2605
client = _SmartClient(client_medium)
2606
path = client.remote_path_from_transport(transport)
2607
response = client.call('BzrDirFormat.initialize', path)
2608
if response[0] != 'ok':
2609
raise errors.SmartProtocolError('unexpected response code %s' % (response,))
2610
return remote.RemoteBzrDir(transport)
2612
def _open(self, transport):
2613
return remote.RemoteBzrDir(transport)
2615
def __eq__(self, other):
2616
if not isinstance(other, RemoteBzrDirFormat):
2618
return self.get_format_description() == other.get_format_description()
2621
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
2624
class BzrDirFormatInfo(object):
2626
def __init__(self, native, deprecated, hidden, experimental):
2627
self.deprecated = deprecated
2628
self.native = native
2629
self.hidden = hidden
2630
self.experimental = experimental
2633
class BzrDirFormatRegistry(registry.Registry):
2634
"""Registry of user-selectable BzrDir subformats.
2636
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
2637
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
2641
"""Create a BzrDirFormatRegistry."""
2642
self._aliases = set()
2643
super(BzrDirFormatRegistry, self).__init__()
2646
"""Return a set of the format names which are aliases."""
2647
return frozenset(self._aliases)
2649
def register_metadir(self, key,
2650
repository_format, help, native=True, deprecated=False,
2656
"""Register a metadir subformat.
2658
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2659
by the Repository format.
2661
:param repository_format: The fully-qualified repository format class
2663
:param branch_format: Fully-qualified branch format class name as
2665
:param tree_format: Fully-qualified tree format class name as
2668
# This should be expanded to support setting WorkingTree and Branch
2669
# formats, once BzrDirMetaFormat1 supports that.
2670
def _load(full_name):
2671
mod_name, factory_name = full_name.rsplit('.', 1)
2673
mod = __import__(mod_name, globals(), locals(),
2675
except ImportError, e:
2676
raise ImportError('failed to load %s: %s' % (full_name, e))
2678
factory = getattr(mod, factory_name)
2679
except AttributeError:
2680
raise AttributeError('no factory %s in module %r'
2685
bd = BzrDirMetaFormat1()
2686
if branch_format is not None:
2687
bd.set_branch_format(_load(branch_format))
2688
if tree_format is not None:
2689
bd.workingtree_format = _load(tree_format)
2690
if repository_format is not None:
2691
bd.repository_format = _load(repository_format)
2693
self.register(key, helper, help, native, deprecated, hidden,
2694
experimental, alias)
2696
def register(self, key, factory, help, native=True, deprecated=False,
2697
hidden=False, experimental=False, alias=False):
2698
"""Register a BzrDirFormat factory.
2700
The factory must be a callable that takes one parameter: the key.
2701
It must produce an instance of the BzrDirFormat when called.
2703
This function mainly exists to prevent the info object from being
2706
registry.Registry.register(self, key, factory, help,
2707
BzrDirFormatInfo(native, deprecated, hidden, experimental))
2709
self._aliases.add(key)
2711
def register_lazy(self, key, module_name, member_name, help, native=True,
2712
deprecated=False, hidden=False, experimental=False, alias=False):
2713
registry.Registry.register_lazy(self, key, module_name, member_name,
2714
help, BzrDirFormatInfo(native, deprecated, hidden, experimental))
2716
self._aliases.add(key)
2718
def set_default(self, key):
2719
"""Set the 'default' key to be a clone of the supplied key.
2721
This method must be called once and only once.
2723
registry.Registry.register(self, 'default', self.get(key),
2724
self.get_help(key), info=self.get_info(key))
2725
self._aliases.add('default')
2727
def set_default_repository(self, key):
2728
"""Set the FormatRegistry default and Repository default.
2730
This is a transitional method while Repository.set_default_format
2733
if 'default' in self:
2734
self.remove('default')
2735
self.set_default(key)
2736
format = self.get('default')()
2738
def make_bzrdir(self, key):
2739
return self.get(key)()
2741
def help_topic(self, topic):
2742
output = textwrap.dedent("""\
2743
These formats can be used for creating branches, working trees, and
2747
default_realkey = None
2748
default_help = self.get_help('default')
2750
for key in self.keys():
2751
if key == 'default':
2753
help = self.get_help(key)
2754
if help == default_help:
2755
default_realkey = key
2757
help_pairs.append((key, help))
2759
def wrapped(key, help, info):
2761
help = '(native) ' + help
2762
return ':%s:\n%s\n\n' % (key,
2763
textwrap.fill(help, initial_indent=' ',
2764
subsequent_indent=' '))
2765
if default_realkey is not None:
2766
output += wrapped(default_realkey, '(default) %s' % default_help,
2767
self.get_info('default'))
2768
deprecated_pairs = []
2769
experimental_pairs = []
2770
for key, help in help_pairs:
2771
info = self.get_info(key)
2774
elif info.deprecated:
2775
deprecated_pairs.append((key, help))
2776
elif info.experimental:
2777
experimental_pairs.append((key, help))
2779
output += wrapped(key, help, info)
2780
if len(experimental_pairs) > 0:
2781
output += "Experimental formats are shown below.\n\n"
2782
for key, help in experimental_pairs:
2783
info = self.get_info(key)
2784
output += wrapped(key, help, info)
2785
if len(deprecated_pairs) > 0:
2786
output += "Deprecated formats are shown below.\n\n"
2787
for key, help in deprecated_pairs:
2788
info = self.get_info(key)
2789
output += wrapped(key, help, info)
2794
class RepositoryAcquisitionPolicy(object):
2795
"""Abstract base class for repository acquisition policies.
2797
A repository acquisition policy decides how a BzrDir acquires a repository
2798
for a branch that is being created. The most basic policy decision is
2799
whether to create a new repository or use an existing one.
2801
def __init__(self, stack_on, stack_on_pwd, require_stacking):
2804
:param stack_on: A location to stack on
2805
:param stack_on_pwd: If stack_on is relative, the location it is
2807
:param require_stacking: If True, it is a failure to not stack.
2809
self._stack_on = stack_on
2810
self._stack_on_pwd = stack_on_pwd
2811
self._require_stacking = require_stacking
2813
def configure_branch(self, branch):
2814
"""Apply any configuration data from this policy to the branch.
2816
Default implementation sets repository stacking.
2818
if self._stack_on is None:
2820
if self._stack_on_pwd is None:
2821
stack_on = self._stack_on
2824
stack_on = urlutils.rebase_url(self._stack_on,
2826
branch.bzrdir.root_transport.base)
2827
except errors.InvalidRebaseURLs:
2828
stack_on = self._get_full_stack_on()
2830
branch.set_stacked_on_url(stack_on)
2831
except errors.UnstackableBranchFormat:
2832
if self._require_stacking:
2835
def _get_full_stack_on(self):
2836
"""Get a fully-qualified URL for the stack_on location."""
2837
if self._stack_on is None:
2839
if self._stack_on_pwd is None:
2840
return self._stack_on
2842
return urlutils.join(self._stack_on_pwd, self._stack_on)
2844
def _add_fallback(self, repository):
2845
"""Add a fallback to the supplied repository, if stacking is set."""
2846
stack_on = self._get_full_stack_on()
2847
if stack_on is None:
2849
stacked_dir = BzrDir.open(stack_on)
2851
stacked_repo = stacked_dir.open_branch().repository
2852
except errors.NotBranchError:
2853
stacked_repo = stacked_dir.open_repository()
2855
repository.add_fallback_repository(stacked_repo)
2856
except errors.UnstackableRepositoryFormat:
2857
if self._require_stacking:
2860
def acquire_repository(self, make_working_trees=None, shared=False):
2861
"""Acquire a repository for this bzrdir.
2863
Implementations may create a new repository or use a pre-exising
2865
:param make_working_trees: If creating a repository, set
2866
make_working_trees to this value (if non-None)
2867
:param shared: If creating a repository, make it shared if True
2868
:return: A repository
2870
raise NotImplemented(RepositoryAcquisitionPolicy.acquire_repository)
2873
class CreateRepository(RepositoryAcquisitionPolicy):
2874
"""A policy of creating a new repository"""
2876
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
2877
require_stacking=False):
2880
:param bzrdir: The bzrdir to create the repository on.
2881
:param stack_on: A location to stack on
2882
:param stack_on_pwd: If stack_on is relative, the location it is
2885
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2887
self._bzrdir = bzrdir
2889
def acquire_repository(self, make_working_trees=None, shared=False):
2890
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2892
Creates the desired repository in the bzrdir we already have.
2894
if self._stack_on or self._require_stacking:
2895
# we may be coming from a format that doesn't support stacking,
2896
# but we require it in the destination, so force creation of a new
2899
# TODO: perhaps this should be treated as a distinct repository
2900
# acquisition policy?
2901
repository_format = self._bzrdir._format.repository_format
2902
if not repository_format.supports_external_lookups:
2903
# should possibly be controlled by the registry rather than
2905
from bzrlib.repofmt import pack_repo
2906
if repository_format.rich_root_data:
2907
repository_format = \
2908
pack_repo.RepositoryFormatKnitPack5RichRoot()
2910
repository_format = pack_repo.RepositoryFormatKnitPack5()
2911
note("using %r for stacking" % (repository_format,))
2912
repository = repository_format.initialize(self._bzrdir,
2916
repository = self._bzrdir.create_repository(shared=shared)
2917
self._add_fallback(repository)
2918
if make_working_trees is not None:
2919
repository.set_make_working_trees(make_working_trees)
2923
class UseExistingRepository(RepositoryAcquisitionPolicy):
2924
"""A policy of reusing an existing repository"""
2926
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
2927
require_stacking=False):
2930
:param repository: The repository to use.
2931
:param stack_on: A location to stack on
2932
:param stack_on_pwd: If stack_on is relative, the location it is
2935
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2937
self._repository = repository
2939
def acquire_repository(self, make_working_trees=None, shared=False):
2940
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2942
Returns an existing repository to use
2944
self._add_fallback(self._repository)
2945
return self._repository
2948
format_registry = BzrDirFormatRegistry()
2949
format_registry.register('weave', BzrDirFormat6,
2950
'Pre-0.8 format. Slower than knit and does not'
2951
' support checkouts or shared repositories.',
2953
format_registry.register_metadir('knit',
2954
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2955
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
2956
branch_format='bzrlib.branch.BzrBranchFormat5',
2957
tree_format='bzrlib.workingtree.WorkingTreeFormat3')
2958
format_registry.register_metadir('metaweave',
2959
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
2960
'Transitional format in 0.8. Slower than knit.',
2961
branch_format='bzrlib.branch.BzrBranchFormat5',
2962
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
2964
format_registry.register_metadir('dirstate',
2965
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2966
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
2967
'above when accessed over the network.',
2968
branch_format='bzrlib.branch.BzrBranchFormat5',
2969
# this uses bzrlib.workingtree.WorkingTreeFormat4 because importing
2970
# directly from workingtree_4 triggers a circular import.
2971
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2973
format_registry.register_metadir('dirstate-tags',
2974
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2975
help='New in 0.15: Fast local operations and improved scaling for '
2976
'network operations. Additionally adds support for tags.'
2977
' Incompatible with bzr < 0.15.',
2978
branch_format='bzrlib.branch.BzrBranchFormat6',
2979
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2981
format_registry.register_metadir('rich-root',
2982
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
2983
help='New in 1.0. Better handling of tree roots. Incompatible with'
2985
branch_format='bzrlib.branch.BzrBranchFormat6',
2986
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2988
format_registry.register_metadir('dirstate-with-subtree',
2989
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
2990
help='New in 0.15: Fast local operations and improved scaling for '
2991
'network operations. Additionally adds support for versioning nested '
2992
'bzr branches. Incompatible with bzr < 0.15.',
2993
branch_format='bzrlib.branch.BzrBranchFormat6',
2994
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2998
format_registry.register_metadir('pack-0.92',
2999
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack1',
3000
help='New in 0.92: Pack-based format with data compatible with '
3001
'dirstate-tags format repositories. Interoperates with '
3002
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3003
'Previously called knitpack-experimental. '
3004
'For more information, see '
3005
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3006
branch_format='bzrlib.branch.BzrBranchFormat6',
3007
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3009
format_registry.register_metadir('pack-0.92-subtree',
3010
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack3',
3011
help='New in 0.92: Pack-based format with data compatible with '
3012
'dirstate-with-subtree format repositories. Interoperates with '
3013
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3014
'Previously called knitpack-experimental. '
3015
'For more information, see '
3016
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3017
branch_format='bzrlib.branch.BzrBranchFormat6',
3018
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3022
format_registry.register_metadir('rich-root-pack',
3023
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack4',
3024
help='New in 1.0: Pack-based format with data compatible with '
3025
'rich-root format repositories. Incompatible with'
3027
branch_format='bzrlib.branch.BzrBranchFormat6',
3028
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3030
format_registry.register_metadir('1.6',
3031
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5',
3032
help='A branch and pack based repository that supports stacking. ',
3033
branch_format='bzrlib.branch.BzrBranchFormat7',
3034
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3036
format_registry.register_metadir('1.6-rich-root',
3037
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5RichRoot',
3038
help='A branch and pack based repository that supports stacking '
3039
'and rich root data (needed for bzr-svn). ',
3040
branch_format='bzrlib.branch.BzrBranchFormat7',
3041
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3043
# The following two formats should always just be aliases.
3044
format_registry.register_metadir('development',
3045
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1',
3046
help='Current development format. Can convert data to and from pack-0.92 '
3047
'(and anything compatible with pack-0.92) format repositories. '
3048
'Repositories and branches in this format can only be read by bzr.dev. '
3050
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3052
branch_format='bzrlib.branch.BzrBranchFormat7',
3053
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3057
format_registry.register_metadir('development-subtree',
3058
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1Subtree',
3059
help='Current development format, subtree variant. Can convert data to and '
3060
'from pack-0.92-subtree (and anything compatible with '
3061
'pack-0.92-subtree) format repositories. Repositories and branches in '
3062
'this format can only be read by bzr.dev. Please read '
3063
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3065
branch_format='bzrlib.branch.BzrBranchFormat7',
3066
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3070
# And the development formats which the will have aliased one of follow:
3071
format_registry.register_metadir('development0',
3072
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0',
3073
help='Trivial rename of pack-0.92 to provide a development format. '
3075
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3077
branch_format='bzrlib.branch.BzrBranchFormat6',
3078
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3082
format_registry.register_metadir('development0-subtree',
3083
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0Subtree',
3084
help='Trivial rename of pack-0.92-subtree to provide a development format. '
3086
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3088
branch_format='bzrlib.branch.BzrBranchFormat6',
3089
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3093
format_registry.register_metadir('development1',
3094
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1',
3095
help='A branch and pack based repository that supports stacking. '
3097
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3099
branch_format='bzrlib.branch.BzrBranchFormat7',
3100
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3104
format_registry.register_metadir('development1-subtree',
3105
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1Subtree',
3106
help='A branch and pack based repository that supports stacking. '
3108
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3110
branch_format='bzrlib.branch.BzrBranchFormat7',
3111
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3115
# The current format that is made on 'bzr init'.
3116
format_registry.set_default('pack-0.92')
added
removed
bzrlib/bzrdir.py
