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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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if (st.st_mode & 07777 == 00000):
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# FTP allows stat but does not return dir/file modes
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self._dir_mode = None
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self._file_mode = None
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self._dir_mode = (st.st_mode & 07777) | 00700
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# Remove the sticky and execute bits for files
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self._file_mode = self._dir_mode & ~07111
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def _get_file_mode(self):
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"""Return Unix mode for newly created files, or None.
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if not self._mode_check_done:
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self._find_creation_modes()
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return self._file_mode
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def _get_dir_mode(self):
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"""Return Unix mode for newly created directories, or None.
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if not self._mode_check_done:
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self._find_creation_modes()
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return self._dir_mode
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def get_repository_transport(self, repository_format):
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"""Get the transport for use by repository format in this BzrDir.
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Note that bzr dirs that do not support format strings will raise
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IncompatibleFormat if the repository format they are given has
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a format string, and vice versa.
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If repository_format is None, the transport is returned with no
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checking. If it is not None, then the returned transport is
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guaranteed to point to an existing directory ready for use.
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raise NotImplementedError(self.get_repository_transport)
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def get_workingtree_transport(self, tree_format):
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"""Get the transport for use by workingtree format in this BzrDir.
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Note that bzr dirs that do not support format strings will raise
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IncompatibleFormat if the workingtree format they are given has a
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format string, and vice versa.
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If workingtree_format is None, the transport is returned with no
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checking. If it is not None, then the returned transport is
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guaranteed to point to an existing directory ready for use.
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raise NotImplementedError(self.get_workingtree_transport)
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def get_config(self):
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if getattr(self, '_get_config', None) is None:
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return self._get_config()
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def __init__(self, _transport, _format):
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"""Initialize a Bzr control dir object.
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Only really common logic should reside here, concrete classes should be
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made with varying behaviours.
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:param _format: the format that is creating this BzrDir instance.
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:param _transport: the transport this dir is based at.
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self._format = _format
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self.transport = _transport.clone('.bzr')
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self.root_transport = _transport
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self._mode_check_done = False
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def is_control_filename(self, filename):
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"""True if filename is the name of a path which is reserved for bzrdir's.
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:param filename: A filename within the root transport of this bzrdir.
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This is true IF and ONLY IF the filename is part of the namespace reserved
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for bzr control dirs. Currently this is the '.bzr' directory in the root
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of the root_transport. it is expected that plugins will need to extend
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this in the future - for instance to make bzr talk with svn working
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# this might be better on the BzrDirFormat class because it refers to
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# all the possible bzrdir disk formats.
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# This method is tested via the workingtree is_control_filename tests-
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# it was extracted from WorkingTree.is_control_filename. If the method's
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# contract is extended beyond the current trivial implementation, please
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# add new tests for it to the appropriate place.
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return filename == '.bzr' or filename.startswith('.bzr/')
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def needs_format_conversion(self, format=None):
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"""Return true if this bzrdir needs convert_format run on it.
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For instance, if the repository format is out of date but the
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branch and working tree are not, this should return True.
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:param format: Optional parameter indicating a specific desired
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format we plan to arrive at.
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raise NotImplementedError(self.needs_format_conversion)
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def open_unsupported(base):
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"""Open a branch which is not supported."""
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return BzrDir.open(base, _unsupported=True)
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def open(base, _unsupported=False, possible_transports=None):
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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)
769
return BzrDir.open_from_transport(t, _unsupported=_unsupported)
772
def open_from_transport(transport, _unsupported=False,
773
_server_formats=True):
774
"""Open a bzrdir within a particular directory.
776
:param transport: Transport containing the bzrdir.
777
:param _unsupported: private.
779
base = transport.base
781
def find_format(transport):
782
return transport, BzrDirFormat.find_format(
783
transport, _server_formats=_server_formats)
785
def redirected(transport, e, redirection_notice):
786
qualified_source = e.get_source_url()
787
relpath = transport.relpath(qualified_source)
788
if not e.target.endswith(relpath):
789
# Not redirected to a branch-format, not a branch
790
raise errors.NotBranchError(path=e.target)
791
target = e.target[:-len(relpath)]
792
note('%s is%s redirected to %s',
793
transport.base, e.permanently, target)
794
# Let's try with a new transport
795
# FIXME: If 'transport' has a qualifier, this should
796
# be applied again to the new transport *iff* the
797
# schemes used are the same. Uncomment this code
798
# once the function (and tests) exist.
800
#target = urlutils.copy_url_qualifiers(original, target)
801
return get_transport(target)
804
transport, format = do_catching_redirections(find_format,
807
except errors.TooManyRedirections:
808
raise errors.NotBranchError(base)
810
BzrDir._check_supported(format, _unsupported)
811
return format.open(transport, _found=True)
813
def open_branch(self, unsupported=False):
814
"""Open the branch object at this BzrDir if one is present.
816
If unsupported is True, then no longer supported branch formats can
819
TODO: static convenience version of this?
821
raise NotImplementedError(self.open_branch)
824
def open_containing(url, possible_transports=None):
825
"""Open an existing branch which contains url.
827
:param url: url to search from.
828
See open_containing_from_transport for more detail.
830
transport = get_transport(url, possible_transports)
831
return BzrDir.open_containing_from_transport(transport)
834
def open_containing_from_transport(a_transport):
835
"""Open an existing branch which contains a_transport.base.
837
This probes for a branch at a_transport, and searches upwards from there.
839
Basically we keep looking up until we find the control directory or
840
run into the root. If there isn't one, raises NotBranchError.
841
If there is one and it is either an unrecognised format or an unsupported
842
format, UnknownFormatError or UnsupportedFormatError are raised.
843
If there is one, it is returned, along with the unused portion of url.
845
:return: The BzrDir that contains the path, and a Unicode path
846
for the rest of the URL.
848
# this gets the normalised url back. I.e. '.' -> the full path.
849
url = a_transport.base
852
result = BzrDir.open_from_transport(a_transport)
853
return result, urlutils.unescape(a_transport.relpath(url))
854
except errors.NotBranchError, e:
857
new_t = a_transport.clone('..')
858
except errors.InvalidURLJoin:
859
# reached the root, whatever that may be
860
raise errors.NotBranchError(path=url)
861
if new_t.base == a_transport.base:
862
# reached the root, whatever that may be
863
raise errors.NotBranchError(path=url)
866
def _get_tree_branch(self):
867
"""Return the branch and tree, if any, for this bzrdir.
869
Return None for tree if not present or inaccessible.
870
Raise NotBranchError if no branch is present.
871
:return: (tree, branch)
874
tree = self.open_workingtree()
875
except (errors.NoWorkingTree, errors.NotLocalUrl):
877
branch = self.open_branch()
883
def open_tree_or_branch(klass, location):
884
"""Return the branch and working tree at a location.
886
If there is no tree at the location, tree will be None.
887
If there is no branch at the location, an exception will be
889
:return: (tree, branch)
891
bzrdir = klass.open(location)
892
return bzrdir._get_tree_branch()
895
def open_containing_tree_or_branch(klass, location):
896
"""Return the branch and working tree contained by a location.
898
Returns (tree, branch, relpath).
899
If there is no tree at containing the location, tree will be None.
900
If there is no branch containing the location, an exception will be
902
relpath is the portion of the path that is contained by the branch.
904
bzrdir, relpath = klass.open_containing(location)
905
tree, branch = bzrdir._get_tree_branch()
906
return tree, branch, relpath
909
def open_containing_tree_branch_or_repository(klass, location):
910
"""Return the working tree, branch and repo contained by a location.
912
Returns (tree, branch, repository, relpath).
913
If there is no tree containing the location, tree will be None.
914
If there is no branch containing the location, branch will be None.
915
If there is no repository containing the location, repository will be
917
relpath is the portion of the path that is contained by the innermost
920
If no tree, branch or repository is found, a NotBranchError is raised.
922
bzrdir, relpath = klass.open_containing(location)
924
tree, branch = bzrdir._get_tree_branch()
925
except errors.NotBranchError:
927
repo = bzrdir.find_repository()
928
return None, None, repo, relpath
929
except (errors.NoRepositoryPresent):
930
raise errors.NotBranchError(location)
931
return tree, branch, branch.repository, relpath
933
def open_repository(self, _unsupported=False):
934
"""Open the repository object at this BzrDir if one is present.
936
This will not follow the Branch object pointer - it's strictly a direct
937
open facility. Most client code should use open_branch().repository to
940
:param _unsupported: a private parameter, not part of the api.
941
TODO: static convenience version of this?
943
raise NotImplementedError(self.open_repository)
945
def open_workingtree(self, _unsupported=False,
946
recommend_upgrade=True, from_branch=None):
947
"""Open the workingtree object at this BzrDir if one is present.
949
:param recommend_upgrade: Optional keyword parameter, when True (the
950
default), emit through the ui module a recommendation that the user
951
upgrade the working tree when the workingtree being opened is old
952
(but still fully supported).
953
:param from_branch: override bzrdir branch (for lightweight checkouts)
955
raise NotImplementedError(self.open_workingtree)
957
def has_branch(self):
958
"""Tell if this bzrdir contains a branch.
960
Note: if you're going to open the branch, you should just go ahead
961
and try, and not ask permission first. (This method just opens the
962
branch and discards it, and that's somewhat expensive.)
967
except errors.NotBranchError:
970
def has_workingtree(self):
971
"""Tell if this bzrdir contains a working tree.
973
This will still raise an exception if the bzrdir has a workingtree that
974
is remote & inaccessible.
976
Note: if you're going to open the working tree, you should just go ahead
977
and try, and not ask permission first. (This method just opens the
978
workingtree and discards it, and that's somewhat expensive.)
981
self.open_workingtree(recommend_upgrade=False)
983
except errors.NoWorkingTree:
986
def _cloning_metadir(self):
987
"""Produce a metadir suitable for cloning with.
989
:returns: (destination_bzrdir_format, source_repository)
991
result_format = self._format.__class__()
994
branch = self.open_branch()
995
source_repository = branch.repository
996
result_format._branch_format = branch._format
997
except errors.NotBranchError:
999
source_repository = self.open_repository()
1000
except errors.NoRepositoryPresent:
1001
source_repository = None
1003
# XXX TODO: This isinstance is here because we have not implemented
1004
# the fix recommended in bug # 103195 - to delegate this choice the
1005
# repository itself.
1006
repo_format = source_repository._format
1007
if not isinstance(repo_format, remote.RemoteRepositoryFormat):
1008
result_format.repository_format = repo_format
1010
# TODO: Couldn't we just probe for the format in these cases,
1011
# rather than opening the whole tree? It would be a little
1012
# faster. mbp 20070401
1013
tree = self.open_workingtree(recommend_upgrade=False)
1014
except (errors.NoWorkingTree, errors.NotLocalUrl):
1015
result_format.workingtree_format = None
1017
result_format.workingtree_format = tree._format.__class__()
1018
return result_format, source_repository
1020
def cloning_metadir(self, require_stacking=False):
1021
"""Produce a metadir suitable for cloning or sprouting with.
1023
These operations may produce workingtrees (yes, even though they're
1024
"cloning" something that doesn't have a tree), so a viable workingtree
1025
format must be selected.
1027
:require_stacking: If True, non-stackable formats will be upgraded
1028
to similar stackable formats.
1029
:returns: a BzrDirFormat with all component formats either set
1030
appropriately or set to None if that component should not be
1033
format, repository = self._cloning_metadir()
1034
if format._workingtree_format is None:
1035
if repository is None:
1037
tree_format = repository._format._matchingbzrdir.workingtree_format
1038
format.workingtree_format = tree_format.__class__()
1039
if (require_stacking and not
1040
format.get_branch_format().supports_stacking()):
1041
# We need to make a stacked branch, but the default format for the
1042
# target doesn't support stacking. So force a branch that *can*
1044
from bzrlib.branch import BzrBranchFormat7
1045
format._branch_format = BzrBranchFormat7()
1046
mutter("using %r for stacking" % (format._branch_format,))
1047
from bzrlib.repofmt import pack_repo
1048
if format.repository_format.rich_root_data:
1049
repo_format = pack_repo.RepositoryFormatKnitPack5RichRoot()
1051
repo_format = pack_repo.RepositoryFormatKnitPack5()
1052
format.repository_format = repo_format
1055
def checkout_metadir(self):
1056
return self.cloning_metadir()
1058
def sprout(self, url, revision_id=None, force_new_repo=False,
1059
recurse='down', possible_transports=None,
1060
accelerator_tree=None, hardlink=False, stacked=False):
1061
"""Create a copy of this bzrdir prepared for use as a new line of
1064
If url's last component does not exist, it will be created.
1066
Attributes related to the identity of the source branch like
1067
branch nickname will be cleaned, a working tree is created
1068
whether one existed before or not; and a local branch is always
1071
if revision_id is not None, then the clone operation may tune
1072
itself to download less data.
1073
:param accelerator_tree: A tree which can be used for retrieving file
1074
contents more quickly than the revision tree, i.e. a workingtree.
1075
The revision tree will be used for cases where accelerator_tree's
1076
content is different.
1077
:param hardlink: If true, hard-link files from accelerator_tree,
1079
:param stacked: If true, create a stacked branch referring to the
1080
location of this control directory.
1082
target_transport = get_transport(url, possible_transports)
1083
target_transport.ensure_base()
1084
cloning_format = self.cloning_metadir(stacked)
1085
# Create/update the result branch
1086
result = cloning_format.initialize_on_transport(target_transport)
1088
source_branch = self.open_branch()
1089
source_repository = source_branch.repository
1091
stacked_branch_url = self.root_transport.base
1093
# if a stacked branch wasn't requested, we don't create one
1094
# even if the origin was stacked
1095
stacked_branch_url = None
1096
except errors.NotBranchError:
1097
source_branch = None
1099
source_repository = self.open_repository()
1100
except errors.NoRepositoryPresent:
1101
source_repository = None
1102
stacked_branch_url = None
1103
repository_policy = result.determine_repository_policy(
1104
force_new_repo, stacked_branch_url, require_stacking=stacked)
1105
result_repo = repository_policy.acquire_repository()
1106
if source_repository is not None:
1107
# Fetch while stacked to prevent unstacked fetch from
1109
result_repo.fetch(source_repository, revision_id=revision_id)
1111
if source_branch is None:
1112
# this is for sprouting a bzrdir without a branch; is that
1114
# Not especially, but it's part of the contract.
1115
result_branch = result.create_branch()
1117
# Force NULL revision to avoid using repository before stacking
1119
result_branch = source_branch.sprout(
1120
result, revision_id=_mod_revision.NULL_REVISION)
1121
parent_location = result_branch.get_parent()
1122
mutter("created new branch %r" % (result_branch,))
1123
repository_policy.configure_branch(result_branch)
1124
if source_branch is not None:
1125
source_branch.copy_content_into(result_branch, revision_id)
1126
# Override copy_content_into
1127
result_branch.set_parent(parent_location)
1129
# Create/update the result working tree
1130
if isinstance(target_transport, LocalTransport) and (
1131
result_repo is None or result_repo.make_working_trees()):
1132
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
1136
if wt.path2id('') is None:
1138
wt.set_root_id(self.open_workingtree.get_root_id())
1139
except errors.NoWorkingTree:
1145
if recurse == 'down':
1147
basis = wt.basis_tree()
1149
subtrees = basis.iter_references()
1150
elif source_branch is not None:
1151
basis = source_branch.basis_tree()
1153
subtrees = basis.iter_references()
1158
for path, file_id in subtrees:
1159
target = urlutils.join(url, urlutils.escape(path))
1160
sublocation = source_branch.reference_parent(file_id, path)
1161
sublocation.bzrdir.sprout(target,
1162
basis.get_reference_revision(file_id, path),
1163
force_new_repo=force_new_repo, recurse=recurse,
1166
if basis is not None:
1171
class BzrDirPreSplitOut(BzrDir):
1172
"""A common class for the all-in-one formats."""
1174
def __init__(self, _transport, _format):
1175
"""See BzrDir.__init__."""
1176
super(BzrDirPreSplitOut, self).__init__(_transport, _format)
1177
self._control_files = lockable_files.LockableFiles(
1178
self.get_branch_transport(None),
1179
self._format._lock_file_name,
1180
self._format._lock_class)
1182
def break_lock(self):
1183
"""Pre-splitout bzrdirs do not suffer from stale locks."""
1184
raise NotImplementedError(self.break_lock)
1186
def cloning_metadir(self, require_stacking=False):
1187
"""Produce a metadir suitable for cloning with."""
1188
if require_stacking:
1189
return format_registry.make_bzrdir('1.6')
1190
return self._format.__class__()
1192
def clone(self, url, revision_id=None, force_new_repo=False,
1193
preserve_stacking=False):
1194
"""See BzrDir.clone().
1196
force_new_repo has no effect, since this family of formats always
1197
require a new repository.
1198
preserve_stacking has no effect, since no source branch using this
1199
family of formats can be stacked, so there is no stacking to preserve.
1201
from bzrlib.workingtree import WorkingTreeFormat2
1202
self._make_tail(url)
1203
result = self._format._initialize_for_clone(url)
1204
self.open_repository().clone(result, revision_id=revision_id)
1205
from_branch = self.open_branch()
1206
from_branch.clone(result, revision_id=revision_id)
1208
self.open_workingtree().clone(result)
1209
except errors.NotLocalUrl:
1210
# make a new one, this format always has to have one.
1212
WorkingTreeFormat2().initialize(result)
1213
except errors.NotLocalUrl:
1214
# but we cannot do it for remote trees.
1215
to_branch = result.open_branch()
1216
WorkingTreeFormat2()._stub_initialize_remote(to_branch)
1219
def create_branch(self):
1220
"""See BzrDir.create_branch."""
1221
return self._format.get_branch_format().initialize(self)
1223
def destroy_branch(self):
1224
"""See BzrDir.destroy_branch."""
1225
raise errors.UnsupportedOperation(self.destroy_branch, self)
1227
def create_repository(self, shared=False):
1228
"""See BzrDir.create_repository."""
1230
raise errors.IncompatibleFormat('shared repository', self._format)
1231
return self.open_repository()
1233
def destroy_repository(self):
1234
"""See BzrDir.destroy_repository."""
1235
raise errors.UnsupportedOperation(self.destroy_repository, self)
1237
def create_workingtree(self, revision_id=None, from_branch=None,
1238
accelerator_tree=None, hardlink=False):
1239
"""See BzrDir.create_workingtree."""
1240
# this looks buggy but is not -really-
1241
# because this format creates the workingtree when the bzrdir is
1243
# clone and sprout will have set the revision_id
1244
# and that will have set it for us, its only
1245
# specific uses of create_workingtree in isolation
1246
# that can do wonky stuff here, and that only
1247
# happens for creating checkouts, which cannot be
1248
# done on this format anyway. So - acceptable wart.
1249
result = self.open_workingtree(recommend_upgrade=False)
1250
if revision_id is not None:
1251
if revision_id == _mod_revision.NULL_REVISION:
1252
result.set_parent_ids([])
1254
result.set_parent_ids([revision_id])
1257
def destroy_workingtree(self):
1258
"""See BzrDir.destroy_workingtree."""
1259
raise errors.UnsupportedOperation(self.destroy_workingtree, self)
1261
def destroy_workingtree_metadata(self):
1262
"""See BzrDir.destroy_workingtree_metadata."""
1263
raise errors.UnsupportedOperation(self.destroy_workingtree_metadata,
1266
def get_branch_transport(self, branch_format):
1267
"""See BzrDir.get_branch_transport()."""
1268
if branch_format is None:
1269
return self.transport
1271
branch_format.get_format_string()
1272
except NotImplementedError:
1273
return self.transport
1274
raise errors.IncompatibleFormat(branch_format, self._format)
1276
def get_repository_transport(self, repository_format):
1277
"""See BzrDir.get_repository_transport()."""
1278
if repository_format is None:
1279
return self.transport
1281
repository_format.get_format_string()
1282
except NotImplementedError:
1283
return self.transport
1284
raise errors.IncompatibleFormat(repository_format, self._format)
1286
def get_workingtree_transport(self, workingtree_format):
1287
"""See BzrDir.get_workingtree_transport()."""
1288
if workingtree_format is None:
1289
return self.transport
1291
workingtree_format.get_format_string()
1292
except NotImplementedError:
1293
return self.transport
1294
raise errors.IncompatibleFormat(workingtree_format, self._format)
1296
def needs_format_conversion(self, format=None):
1297
"""See BzrDir.needs_format_conversion()."""
1298
# if the format is not the same as the system default,
1299
# an upgrade is needed.
1301
format = BzrDirFormat.get_default_format()
1302
return not isinstance(self._format, format.__class__)
1304
def open_branch(self, unsupported=False):
1305
"""See BzrDir.open_branch."""
1306
from bzrlib.branch import BzrBranchFormat4
1307
format = BzrBranchFormat4()
1308
self._check_supported(format, unsupported)
1309
return format.open(self, _found=True)
1311
def sprout(self, url, revision_id=None, force_new_repo=False,
1312
possible_transports=None, accelerator_tree=None,
1313
hardlink=False, stacked=False):
1314
"""See BzrDir.sprout()."""
1316
raise errors.UnstackableBranchFormat(
1317
self._format, self.root_transport.base)
1318
from bzrlib.workingtree import WorkingTreeFormat2
1319
self._make_tail(url)
1320
result = self._format._initialize_for_clone(url)
1322
self.open_repository().clone(result, revision_id=revision_id)
1323
except errors.NoRepositoryPresent:
1326
self.open_branch().sprout(result, revision_id=revision_id)
1327
except errors.NotBranchError:
1329
# we always want a working tree
1330
WorkingTreeFormat2().initialize(result,
1331
accelerator_tree=accelerator_tree,
1336
class BzrDir4(BzrDirPreSplitOut):
1337
"""A .bzr version 4 control object.
1339
This is a deprecated format and may be removed after sept 2006.
1342
def create_repository(self, shared=False):
1343
"""See BzrDir.create_repository."""
1344
return self._format.repository_format.initialize(self, shared)
1346
def needs_format_conversion(self, format=None):
1347
"""Format 4 dirs are always in need of conversion."""
1350
def open_repository(self):
1351
"""See BzrDir.open_repository."""
1352
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1353
return RepositoryFormat4().open(self, _found=True)
1356
class BzrDir5(BzrDirPreSplitOut):
1357
"""A .bzr version 5 control object.
1359
This is a deprecated format and may be removed after sept 2006.
1362
def open_repository(self):
1363
"""See BzrDir.open_repository."""
1364
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1365
return RepositoryFormat5().open(self, _found=True)
1367
def open_workingtree(self, _unsupported=False,
1368
recommend_upgrade=True):
1369
"""See BzrDir.create_workingtree."""
1370
from bzrlib.workingtree import WorkingTreeFormat2
1371
wt_format = WorkingTreeFormat2()
1372
# we don't warn here about upgrades; that ought to be handled for the
1374
return wt_format.open(self, _found=True)
1377
class BzrDir6(BzrDirPreSplitOut):
1378
"""A .bzr version 6 control object.
1380
This is a deprecated format and may be removed after sept 2006.
1383
def open_repository(self):
1384
"""See BzrDir.open_repository."""
1385
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1386
return RepositoryFormat6().open(self, _found=True)
1388
def open_workingtree(self, _unsupported=False,
1389
recommend_upgrade=True):
1390
"""See BzrDir.create_workingtree."""
1391
# we don't warn here about upgrades; that ought to be handled for the
1393
from bzrlib.workingtree import WorkingTreeFormat2
1394
return WorkingTreeFormat2().open(self, _found=True)
1397
class BzrDirMeta1(BzrDir):
1398
"""A .bzr meta version 1 control object.
1400
This is the first control object where the
1401
individual aspects are really split out: there are separate repository,
1402
workingtree and branch subdirectories and any subset of the three can be
1403
present within a BzrDir.
1406
def can_convert_format(self):
1407
"""See BzrDir.can_convert_format()."""
1410
def create_branch(self):
1411
"""See BzrDir.create_branch."""
1412
return self._format.get_branch_format().initialize(self)
1414
def destroy_branch(self):
1415
"""See BzrDir.create_branch."""
1416
self.transport.delete_tree('branch')
1418
def create_repository(self, shared=False):
1419
"""See BzrDir.create_repository."""
1420
return self._format.repository_format.initialize(self, shared)
1422
def destroy_repository(self):
1423
"""See BzrDir.destroy_repository."""
1424
self.transport.delete_tree('repository')
1426
def create_workingtree(self, revision_id=None, from_branch=None,
1427
accelerator_tree=None, hardlink=False):
1428
"""See BzrDir.create_workingtree."""
1429
return self._format.workingtree_format.initialize(
1430
self, revision_id, from_branch=from_branch,
1431
accelerator_tree=accelerator_tree, hardlink=hardlink)
1433
def destroy_workingtree(self):
1434
"""See BzrDir.destroy_workingtree."""
1435
wt = self.open_workingtree(recommend_upgrade=False)
1436
repository = wt.branch.repository
1437
empty = repository.revision_tree(_mod_revision.NULL_REVISION)
1438
wt.revert(old_tree=empty)
1439
self.destroy_workingtree_metadata()
1441
def destroy_workingtree_metadata(self):
1442
self.transport.delete_tree('checkout')
1444
def find_branch_format(self):
1445
"""Find the branch 'format' for this bzrdir.
1447
This might be a synthetic object for e.g. RemoteBranch and SVN.
1449
from bzrlib.branch import BranchFormat
1450
return BranchFormat.find_format(self)
1452
def _get_mkdir_mode(self):
1453
"""Figure out the mode to use when creating a bzrdir subdir."""
1454
temp_control = lockable_files.LockableFiles(self.transport, '',
1455
lockable_files.TransportLock)
1456
return temp_control._dir_mode
1458
def get_branch_reference(self):
1459
"""See BzrDir.get_branch_reference()."""
1460
from bzrlib.branch import BranchFormat
1461
format = BranchFormat.find_format(self)
1462
return format.get_reference(self)
1464
def get_branch_transport(self, branch_format):
1465
"""See BzrDir.get_branch_transport()."""
1466
if branch_format is None:
1467
return self.transport.clone('branch')
1469
branch_format.get_format_string()
1470
except NotImplementedError:
1471
raise errors.IncompatibleFormat(branch_format, self._format)
1473
self.transport.mkdir('branch', mode=self._get_mkdir_mode())
1474
except errors.FileExists:
1476
return self.transport.clone('branch')
1478
def get_repository_transport(self, repository_format):
1479
"""See BzrDir.get_repository_transport()."""
1480
if repository_format is None:
1481
return self.transport.clone('repository')
1483
repository_format.get_format_string()
1484
except NotImplementedError:
1485
raise errors.IncompatibleFormat(repository_format, self._format)
1487
self.transport.mkdir('repository', mode=self._get_mkdir_mode())
1488
except errors.FileExists:
1490
return self.transport.clone('repository')
1492
def get_workingtree_transport(self, workingtree_format):
1493
"""See BzrDir.get_workingtree_transport()."""
1494
if workingtree_format is None:
1495
return self.transport.clone('checkout')
1497
workingtree_format.get_format_string()
1498
except NotImplementedError:
1499
raise errors.IncompatibleFormat(workingtree_format, self._format)
1501
self.transport.mkdir('checkout', mode=self._get_mkdir_mode())
1502
except errors.FileExists:
1504
return self.transport.clone('checkout')
1506
def needs_format_conversion(self, format=None):
1507
"""See BzrDir.needs_format_conversion()."""
1509
format = BzrDirFormat.get_default_format()
1510
if not isinstance(self._format, format.__class__):
1511
# it is not a meta dir format, conversion is needed.
1513
# we might want to push this down to the repository?
1515
if not isinstance(self.open_repository()._format,
1516
format.repository_format.__class__):
1517
# the repository needs an upgrade.
1519
except errors.NoRepositoryPresent:
1522
if not isinstance(self.open_branch()._format,
1523
format.get_branch_format().__class__):
1524
# the branch needs an upgrade.
1526
except errors.NotBranchError:
1529
my_wt = self.open_workingtree(recommend_upgrade=False)
1530
if not isinstance(my_wt._format,
1531
format.workingtree_format.__class__):
1532
# the workingtree needs an upgrade.
1534
except (errors.NoWorkingTree, errors.NotLocalUrl):
1538
def open_branch(self, unsupported=False):
1539
"""See BzrDir.open_branch."""
1540
format = self.find_branch_format()
1541
self._check_supported(format, unsupported)
1542
return format.open(self, _found=True)
1544
def open_repository(self, unsupported=False):
1545
"""See BzrDir.open_repository."""
1546
from bzrlib.repository import RepositoryFormat
1547
format = RepositoryFormat.find_format(self)
1548
self._check_supported(format, unsupported)
1549
return format.open(self, _found=True)
1551
def open_workingtree(self, unsupported=False,
1552
recommend_upgrade=True):
1553
"""See BzrDir.open_workingtree."""
1554
from bzrlib.workingtree import WorkingTreeFormat
1555
format = WorkingTreeFormat.find_format(self)
1556
self._check_supported(format, unsupported,
1558
basedir=self.root_transport.base)
1559
return format.open(self, _found=True)
1561
def _get_config(self):
1562
return config.BzrDirConfig(self.transport)
1565
class BzrDirFormat(object):
1566
"""An encapsulation of the initialization and open routines for a format.
1568
Formats provide three things:
1569
* An initialization routine,
1573
Formats are placed in a dict by their format string for reference
1574
during bzrdir opening. These should be subclasses of BzrDirFormat
1577
Once a format is deprecated, just deprecate the initialize and open
1578
methods on the format class. Do not deprecate the object, as the
1579
object will be created every system load.
1582
_default_format = None
1583
"""The default format used for new .bzr dirs."""
1586
"""The known formats."""
1588
_control_formats = []
1589
"""The registered control formats - .bzr, ....
1591
This is a list of BzrDirFormat objects.
1594
_control_server_formats = []
1595
"""The registered control server formats, e.g. RemoteBzrDirs.
1597
This is a list of BzrDirFormat objects.
1600
_lock_file_name = 'branch-lock'
1602
# _lock_class must be set in subclasses to the lock type, typ.
1603
# TransportLock or LockDir
1606
def find_format(klass, transport, _server_formats=True):
1607
"""Return the format present at transport."""
1609
formats = klass._control_server_formats + klass._control_formats
1611
formats = klass._control_formats
1612
for format in formats:
1614
return format.probe_transport(transport)
1615
except errors.NotBranchError:
1616
# this format does not find a control dir here.
1618
raise errors.NotBranchError(path=transport.base)
1621
def probe_transport(klass, transport):
1622
"""Return the .bzrdir style format present in a directory."""
1624
format_string = transport.get(".bzr/branch-format").read()
1625
except errors.NoSuchFile:
1626
raise errors.NotBranchError(path=transport.base)
1629
return klass._formats[format_string]
1631
raise errors.UnknownFormatError(format=format_string, kind='bzrdir')
1634
def get_default_format(klass):
1635
"""Return the current default format."""
1636
return klass._default_format
1638
def get_format_string(self):
1639
"""Return the ASCII format string that identifies this format."""
1640
raise NotImplementedError(self.get_format_string)
1642
def get_format_description(self):
1643
"""Return the short description for this format."""
1644
raise NotImplementedError(self.get_format_description)
1646
def get_converter(self, format=None):
1647
"""Return the converter to use to convert bzrdirs needing converts.
1649
This returns a bzrlib.bzrdir.Converter object.
1651
This should return the best upgrader to step this format towards the
1652
current default format. In the case of plugins we can/should provide
1653
some means for them to extend the range of returnable converters.
1655
:param format: Optional format to override the default format of the
1658
raise NotImplementedError(self.get_converter)
1660
def initialize(self, url, possible_transports=None):
1661
"""Create a bzr control dir at this url and return an opened copy.
1663
Subclasses should typically override initialize_on_transport
1664
instead of this method.
1666
return self.initialize_on_transport(get_transport(url,
1667
possible_transports))
1669
def initialize_on_transport(self, transport):
1670
"""Initialize a new bzrdir in the base directory of a Transport."""
1671
# Since we don't have a .bzr directory, inherit the
1672
# mode from the root directory
1673
temp_control = lockable_files.LockableFiles(transport,
1674
'', lockable_files.TransportLock)
1675
temp_control._transport.mkdir('.bzr',
1676
# FIXME: RBC 20060121 don't peek under
1678
mode=temp_control._dir_mode)
1679
if sys.platform == 'win32' and isinstance(transport, LocalTransport):
1680
win32utils.set_file_attr_hidden(transport._abspath('.bzr'))
1681
file_mode = temp_control._file_mode
1683
bzrdir_transport = transport.clone('.bzr')
1684
utf8_files = [('README',
1685
"This is a Bazaar control directory.\n"
1686
"Do not change any files in this directory.\n"
1687
"See http://bazaar-vcs.org/ for more information about Bazaar.\n"),
1688
('branch-format', self.get_format_string()),
1690
# NB: no need to escape relative paths that are url safe.
1691
control_files = lockable_files.LockableFiles(bzrdir_transport,
1692
self._lock_file_name, self._lock_class)
1693
control_files.create_lock()
1694
control_files.lock_write()
1696
for (filename, content) in utf8_files:
1697
bzrdir_transport.put_bytes(filename, content,
1700
control_files.unlock()
1701
return self.open(transport, _found=True)
1703
def is_supported(self):
1704
"""Is this format supported?
1706
Supported formats must be initializable and openable.
1707
Unsupported formats may not support initialization or committing or
1708
some other features depending on the reason for not being supported.
1712
def same_model(self, target_format):
1713
return (self.repository_format.rich_root_data ==
1714
target_format.rich_root_data)
1717
def known_formats(klass):
1718
"""Return all the known formats.
1720
Concrete formats should override _known_formats.
1722
# There is double indirection here to make sure that control
1723
# formats used by more than one dir format will only be probed
1724
# once. This can otherwise be quite expensive for remote connections.
1726
for format in klass._control_formats:
1727
result.update(format._known_formats())
1731
def _known_formats(klass):
1732
"""Return the known format instances for this control format."""
1733
return set(klass._formats.values())
1735
def open(self, transport, _found=False):
1736
"""Return an instance of this format for the dir transport points at.
1738
_found is a private parameter, do not use it.
1741
found_format = BzrDirFormat.find_format(transport)
1742
if not isinstance(found_format, self.__class__):
1743
raise AssertionError("%s was asked to open %s, but it seems to need "
1745
% (self, transport, found_format))
1746
return self._open(transport)
1748
def _open(self, transport):
1749
"""Template method helper for opening BzrDirectories.
1751
This performs the actual open and any additional logic or parameter
1754
raise NotImplementedError(self._open)
1757
def register_format(klass, format):
1758
klass._formats[format.get_format_string()] = format
1761
def register_control_format(klass, format):
1762
"""Register a format that does not use '.bzr' for its control dir.
1764
TODO: This should be pulled up into a 'ControlDirFormat' base class
1765
which BzrDirFormat can inherit from, and renamed to register_format
1766
there. It has been done without that for now for simplicity of
1769
klass._control_formats.append(format)
1772
def register_control_server_format(klass, format):
1773
"""Register a control format for client-server environments.
1775
These formats will be tried before ones registered with
1776
register_control_format. This gives implementations that decide to the
1777
chance to grab it before anything looks at the contents of the format
1780
klass._control_server_formats.append(format)
1783
def _set_default_format(klass, format):
1784
"""Set default format (for testing behavior of defaults only)"""
1785
klass._default_format = format
1789
return self.get_format_string().rstrip()
1792
def unregister_format(klass, format):
1793
del klass._formats[format.get_format_string()]
1796
def unregister_control_format(klass, format):
1797
klass._control_formats.remove(format)
1800
class BzrDirFormat4(BzrDirFormat):
1801
"""Bzr dir format 4.
1803
This format is a combined format for working tree, branch and repository.
1805
- Format 1 working trees [always]
1806
- Format 4 branches [always]
1807
- Format 4 repositories [always]
1809
This format is deprecated: it indexes texts using a text it which is
1810
removed in format 5; write support for this format has been removed.
1813
_lock_class = lockable_files.TransportLock
1815
def get_format_string(self):
1816
"""See BzrDirFormat.get_format_string()."""
1817
return "Bazaar-NG branch, format 0.0.4\n"
1819
def get_format_description(self):
1820
"""See BzrDirFormat.get_format_description()."""
1821
return "All-in-one format 4"
1823
def get_converter(self, format=None):
1824
"""See BzrDirFormat.get_converter()."""
1825
# there is one and only one upgrade path here.
1826
return ConvertBzrDir4To5()
1828
def initialize_on_transport(self, transport):
1829
"""Format 4 branches cannot be created."""
1830
raise errors.UninitializableFormat(self)
1832
def is_supported(self):
1833
"""Format 4 is not supported.
1835
It is not supported because the model changed from 4 to 5 and the
1836
conversion logic is expensive - so doing it on the fly was not
1841
def _open(self, transport):
1842
"""See BzrDirFormat._open."""
1843
return BzrDir4(transport, self)
1845
def __return_repository_format(self):
1846
"""Circular import protection."""
1847
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1848
return RepositoryFormat4()
1849
repository_format = property(__return_repository_format)
1852
class BzrDirFormat5(BzrDirFormat):
1853
"""Bzr control format 5.
1855
This format is a combined format for working tree, branch and repository.
1857
- Format 2 working trees [always]
1858
- Format 4 branches [always]
1859
- Format 5 repositories [always]
1860
Unhashed stores in the repository.
1863
_lock_class = lockable_files.TransportLock
1865
def get_format_string(self):
1866
"""See BzrDirFormat.get_format_string()."""
1867
return "Bazaar-NG branch, format 5\n"
1869
def get_branch_format(self):
1870
from bzrlib import branch
1871
return branch.BzrBranchFormat4()
1873
def get_format_description(self):
1874
"""See BzrDirFormat.get_format_description()."""
1875
return "All-in-one format 5"
1877
def get_converter(self, format=None):
1878
"""See BzrDirFormat.get_converter()."""
1879
# there is one and only one upgrade path here.
1880
return ConvertBzrDir5To6()
1882
def _initialize_for_clone(self, url):
1883
return self.initialize_on_transport(get_transport(url), _cloning=True)
1885
def initialize_on_transport(self, transport, _cloning=False):
1886
"""Format 5 dirs always have working tree, branch and repository.
1888
Except when they are being cloned.
1890
from bzrlib.branch import BzrBranchFormat4
1891
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1892
from bzrlib.workingtree import WorkingTreeFormat2
1893
result = (super(BzrDirFormat5, self).initialize_on_transport(transport))
1894
RepositoryFormat5().initialize(result, _internal=True)
1896
branch = BzrBranchFormat4().initialize(result)
1898
WorkingTreeFormat2().initialize(result)
1899
except errors.NotLocalUrl:
1900
# Even though we can't access the working tree, we need to
1901
# create its control files.
1902
WorkingTreeFormat2()._stub_initialize_remote(branch)
1905
def _open(self, transport):
1906
"""See BzrDirFormat._open."""
1907
return BzrDir5(transport, self)
1909
def __return_repository_format(self):
1910
"""Circular import protection."""
1911
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1912
return RepositoryFormat5()
1913
repository_format = property(__return_repository_format)
1916
class BzrDirFormat6(BzrDirFormat):
1917
"""Bzr control format 6.
1919
This format is a combined format for working tree, branch and repository.
1921
- Format 2 working trees [always]
1922
- Format 4 branches [always]
1923
- Format 6 repositories [always]
1926
_lock_class = lockable_files.TransportLock
1928
def get_format_string(self):
1929
"""See BzrDirFormat.get_format_string()."""
1930
return "Bazaar-NG branch, format 6\n"
1932
def get_format_description(self):
1933
"""See BzrDirFormat.get_format_description()."""
1934
return "All-in-one format 6"
1936
def get_branch_format(self):
1937
from bzrlib import branch
1938
return branch.BzrBranchFormat4()
1940
def get_converter(self, format=None):
1941
"""See BzrDirFormat.get_converter()."""
1942
# there is one and only one upgrade path here.
1943
return ConvertBzrDir6ToMeta()
1945
def _initialize_for_clone(self, url):
1946
return self.initialize_on_transport(get_transport(url), _cloning=True)
1948
def initialize_on_transport(self, transport, _cloning=False):
1949
"""Format 6 dirs always have working tree, branch and repository.
1951
Except when they are being cloned.
1953
from bzrlib.branch import BzrBranchFormat4
1954
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1955
from bzrlib.workingtree import WorkingTreeFormat2
1956
result = super(BzrDirFormat6, self).initialize_on_transport(transport)
1957
RepositoryFormat6().initialize(result, _internal=True)
1959
branch = BzrBranchFormat4().initialize(result)
1961
WorkingTreeFormat2().initialize(result)
1962
except errors.NotLocalUrl:
1963
# Even though we can't access the working tree, we need to
1964
# create its control files.
1965
WorkingTreeFormat2()._stub_initialize_remote(branch)
1968
def _open(self, transport):
1969
"""See BzrDirFormat._open."""
1970
return BzrDir6(transport, self)
1972
def __return_repository_format(self):
1973
"""Circular import protection."""
1974
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1975
return RepositoryFormat6()
1976
repository_format = property(__return_repository_format)
1979
class BzrDirMetaFormat1(BzrDirFormat):
1980
"""Bzr meta control format 1
1982
This is the first format with split out working tree, branch and repository
1985
- Format 3 working trees [optional]
1986
- Format 5 branches [optional]
1987
- Format 7 repositories [optional]
1990
_lock_class = lockdir.LockDir
1993
self._workingtree_format = None
1994
self._branch_format = None
1996
def __eq__(self, other):
1997
if other.__class__ is not self.__class__:
1999
if other.repository_format != self.repository_format:
2001
if other.workingtree_format != self.workingtree_format:
2005
def __ne__(self, other):
2006
return not self == other
2008
def get_branch_format(self):
2009
if self._branch_format is None:
2010
from bzrlib.branch import BranchFormat
2011
self._branch_format = BranchFormat.get_default_format()
2012
return self._branch_format
2014
def set_branch_format(self, format):
2015
self._branch_format = format
2017
def get_converter(self, format=None):
2018
"""See BzrDirFormat.get_converter()."""
2020
format = BzrDirFormat.get_default_format()
2021
if not isinstance(self, format.__class__):
2022
# converting away from metadir is not implemented
2023
raise NotImplementedError(self.get_converter)
2024
return ConvertMetaToMeta(format)
2026
def get_format_string(self):
2027
"""See BzrDirFormat.get_format_string()."""
2028
return "Bazaar-NG meta directory, format 1\n"
2030
def get_format_description(self):
2031
"""See BzrDirFormat.get_format_description()."""
2032
return "Meta directory format 1"
2034
def _open(self, transport):
2035
"""See BzrDirFormat._open."""
2036
return BzrDirMeta1(transport, self)
2038
def __return_repository_format(self):
2039
"""Circular import protection."""
2040
if getattr(self, '_repository_format', None):
2041
return self._repository_format
2042
from bzrlib.repository import RepositoryFormat
2043
return RepositoryFormat.get_default_format()
2045
def __set_repository_format(self, value):
2046
"""Allow changing the repository format for metadir formats."""
2047
self._repository_format = value
2049
repository_format = property(__return_repository_format, __set_repository_format)
2051
def __get_workingtree_format(self):
2052
if self._workingtree_format is None:
2053
from bzrlib.workingtree import WorkingTreeFormat
2054
self._workingtree_format = WorkingTreeFormat.get_default_format()
2055
return self._workingtree_format
2057
def __set_workingtree_format(self, wt_format):
2058
self._workingtree_format = wt_format
2060
workingtree_format = property(__get_workingtree_format,
2061
__set_workingtree_format)
2064
# Register bzr control format
2065
BzrDirFormat.register_control_format(BzrDirFormat)
2067
# Register bzr formats
2068
BzrDirFormat.register_format(BzrDirFormat4())
2069
BzrDirFormat.register_format(BzrDirFormat5())
2070
BzrDirFormat.register_format(BzrDirFormat6())
2071
__default_format = BzrDirMetaFormat1()
2072
BzrDirFormat.register_format(__default_format)
2073
BzrDirFormat._default_format = __default_format
2076
class Converter(object):
2077
"""Converts a disk format object from one format to another."""
2079
def convert(self, to_convert, pb):
2080
"""Perform the conversion of to_convert, giving feedback via pb.
2082
:param to_convert: The disk object to convert.
2083
:param pb: a progress bar to use for progress information.
2086
def step(self, message):
2087
"""Update the pb by a step."""
2089
self.pb.update(message, self.count, self.total)
2092
class ConvertBzrDir4To5(Converter):
2093
"""Converts format 4 bzr dirs to format 5."""
2096
super(ConvertBzrDir4To5, self).__init__()
2097
self.converted_revs = set()
2098
self.absent_revisions = set()
2102
def convert(self, to_convert, pb):
2103
"""See Converter.convert()."""
2104
self.bzrdir = to_convert
2106
self.pb.note('starting upgrade from format 4 to 5')
2107
if isinstance(self.bzrdir.transport, LocalTransport):
2108
self.bzrdir.get_workingtree_transport(None).delete('stat-cache')
2109
self._convert_to_weaves()
2110
return BzrDir.open(self.bzrdir.root_transport.base)
2112
def _convert_to_weaves(self):
2113
self.pb.note('note: upgrade may be faster if all store files are ungzipped first')
2116
stat = self.bzrdir.transport.stat('weaves')
2117
if not S_ISDIR(stat.st_mode):
2118
self.bzrdir.transport.delete('weaves')
2119
self.bzrdir.transport.mkdir('weaves')
2120
except errors.NoSuchFile:
2121
self.bzrdir.transport.mkdir('weaves')
2122
# deliberately not a WeaveFile as we want to build it up slowly.
2123
self.inv_weave = Weave('inventory')
2124
# holds in-memory weaves for all files
2125
self.text_weaves = {}
2126
self.bzrdir.transport.delete('branch-format')
2127
self.branch = self.bzrdir.open_branch()
2128
self._convert_working_inv()
2129
rev_history = self.branch.revision_history()
2130
# to_read is a stack holding the revisions we still need to process;
2131
# appending to it adds new highest-priority revisions
2132
self.known_revisions = set(rev_history)
2133
self.to_read = rev_history[-1:]
2135
rev_id = self.to_read.pop()
2136
if (rev_id not in self.revisions
2137
and rev_id not in self.absent_revisions):
2138
self._load_one_rev(rev_id)
2140
to_import = self._make_order()
2141
for i, rev_id in enumerate(to_import):
2142
self.pb.update('converting revision', i, len(to_import))
2143
self._convert_one_rev(rev_id)
2145
self._write_all_weaves()
2146
self._write_all_revs()
2147
self.pb.note('upgraded to weaves:')
2148
self.pb.note(' %6d revisions and inventories', len(self.revisions))
2149
self.pb.note(' %6d revisions not present', len(self.absent_revisions))
2150
self.pb.note(' %6d texts', self.text_count)
2151
self._cleanup_spare_files_after_format4()
2152
self.branch._transport.put_bytes(
2154
BzrDirFormat5().get_format_string(),
2155
mode=self.bzrdir._get_file_mode())
2157
def _cleanup_spare_files_after_format4(self):
2158
# FIXME working tree upgrade foo.
2159
for n in 'merged-patches', 'pending-merged-patches':
2161
## assert os.path.getsize(p) == 0
2162
self.bzrdir.transport.delete(n)
2163
except errors.NoSuchFile:
2165
self.bzrdir.transport.delete_tree('inventory-store')
2166
self.bzrdir.transport.delete_tree('text-store')
2168
def _convert_working_inv(self):
2169
inv = xml4.serializer_v4.read_inventory(
2170
self.branch._transport.get('inventory'))
2171
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv, working=True)
2172
self.branch._transport.put_bytes('inventory', new_inv_xml,
2173
mode=self.bzrdir._get_file_mode())
2175
def _write_all_weaves(self):
2176
controlweaves = WeaveStore(self.bzrdir.transport, prefixed=False)
2177
weave_transport = self.bzrdir.transport.clone('weaves')
2178
weaves = WeaveStore(weave_transport, prefixed=False)
2179
transaction = WriteTransaction()
2183
for file_id, file_weave in self.text_weaves.items():
2184
self.pb.update('writing weave', i, len(self.text_weaves))
2185
weaves._put_weave(file_id, file_weave, transaction)
2187
self.pb.update('inventory', 0, 1)
2188
controlweaves._put_weave('inventory', self.inv_weave, transaction)
2189
self.pb.update('inventory', 1, 1)
2193
def _write_all_revs(self):
2194
"""Write all revisions out in new form."""
2195
self.bzrdir.transport.delete_tree('revision-store')
2196
self.bzrdir.transport.mkdir('revision-store')
2197
revision_transport = self.bzrdir.transport.clone('revision-store')
2199
from bzrlib.xml5 import serializer_v5
2200
from bzrlib.repofmt.weaverepo import RevisionTextStore
2201
revision_store = RevisionTextStore(revision_transport,
2202
serializer_v5, False, versionedfile.PrefixMapper(),
2203
lambda:True, lambda:True)
2205
for i, rev_id in enumerate(self.converted_revs):
2206
self.pb.update('write revision', i, len(self.converted_revs))
2207
text = serializer_v5.write_revision_to_string(
2208
self.revisions[rev_id])
2210
revision_store.add_lines(key, None, osutils.split_lines(text))
2214
def _load_one_rev(self, rev_id):
2215
"""Load a revision object into memory.
2217
Any parents not either loaded or abandoned get queued to be
2219
self.pb.update('loading revision',
2220
len(self.revisions),
2221
len(self.known_revisions))
2222
if not self.branch.repository.has_revision(rev_id):
2224
self.pb.note('revision {%s} not present in branch; '
2225
'will be converted as a ghost',
2227
self.absent_revisions.add(rev_id)
2229
rev = self.branch.repository.get_revision(rev_id)
2230
for parent_id in rev.parent_ids:
2231
self.known_revisions.add(parent_id)
2232
self.to_read.append(parent_id)
2233
self.revisions[rev_id] = rev
2235
def _load_old_inventory(self, rev_id):
2236
old_inv_xml = self.branch.repository.inventory_store.get(rev_id).read()
2237
inv = xml4.serializer_v4.read_inventory_from_string(old_inv_xml)
2238
inv.revision_id = rev_id
2239
rev = self.revisions[rev_id]
2242
def _load_updated_inventory(self, rev_id):
2243
inv_xml = self.inv_weave.get_text(rev_id)
2244
inv = xml5.serializer_v5.read_inventory_from_string(inv_xml, rev_id)
2247
def _convert_one_rev(self, rev_id):
2248
"""Convert revision and all referenced objects to new format."""
2249
rev = self.revisions[rev_id]
2250
inv = self._load_old_inventory(rev_id)
2251
present_parents = [p for p in rev.parent_ids
2252
if p not in self.absent_revisions]
2253
self._convert_revision_contents(rev, inv, present_parents)
2254
self._store_new_inv(rev, inv, present_parents)
2255
self.converted_revs.add(rev_id)
2257
def _store_new_inv(self, rev, inv, present_parents):
2258
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
2259
new_inv_sha1 = sha_string(new_inv_xml)
2260
self.inv_weave.add_lines(rev.revision_id,
2262
new_inv_xml.splitlines(True))
2263
rev.inventory_sha1 = new_inv_sha1
2265
def _convert_revision_contents(self, rev, inv, present_parents):
2266
"""Convert all the files within a revision.
2268
Also upgrade the inventory to refer to the text revision ids."""
2269
rev_id = rev.revision_id
2270
mutter('converting texts of revision {%s}',
2272
parent_invs = map(self._load_updated_inventory, present_parents)
2273
entries = inv.iter_entries()
2275
for path, ie in entries:
2276
self._convert_file_version(rev, ie, parent_invs)
2278
def _convert_file_version(self, rev, ie, parent_invs):
2279
"""Convert one version of one file.
2281
The file needs to be added into the weave if it is a merge
2282
of >=2 parents or if it's changed from its parent.
2284
file_id = ie.file_id
2285
rev_id = rev.revision_id
2286
w = self.text_weaves.get(file_id)
2289
self.text_weaves[file_id] = w
2290
text_changed = False
2291
parent_candiate_entries = ie.parent_candidates(parent_invs)
2292
heads = graph.Graph(self).heads(parent_candiate_entries.keys())
2293
# XXX: Note that this is unordered - and this is tolerable because
2294
# the previous code was also unordered.
2295
previous_entries = dict((head, parent_candiate_entries[head]) for head
2297
self.snapshot_ie(previous_entries, ie, w, rev_id)
2300
@symbol_versioning.deprecated_method(symbol_versioning.one_one)
2301
def get_parents(self, revision_ids):
2302
for revision_id in revision_ids:
2303
yield self.revisions[revision_id].parent_ids
2305
def get_parent_map(self, revision_ids):
2306
"""See graph._StackedParentsProvider.get_parent_map"""
2307
return dict((revision_id, self.revisions[revision_id])
2308
for revision_id in revision_ids
2309
if revision_id in self.revisions)
2311
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
2312
# TODO: convert this logic, which is ~= snapshot to
2313
# a call to:. This needs the path figured out. rather than a work_tree
2314
# a v4 revision_tree can be given, or something that looks enough like
2315
# one to give the file content to the entry if it needs it.
2316
# and we need something that looks like a weave store for snapshot to
2318
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
2319
if len(previous_revisions) == 1:
2320
previous_ie = previous_revisions.values()[0]
2321
if ie._unchanged(previous_ie):
2322
ie.revision = previous_ie.revision
2325
text = self.branch.repository._text_store.get(ie.text_id)
2326
file_lines = text.readlines()
2327
w.add_lines(rev_id, previous_revisions, file_lines)
2328
self.text_count += 1
2330
w.add_lines(rev_id, previous_revisions, [])
2331
ie.revision = rev_id
2333
def _make_order(self):
2334
"""Return a suitable order for importing revisions.
2336
The order must be such that an revision is imported after all
2337
its (present) parents.
2339
todo = set(self.revisions.keys())
2340
done = self.absent_revisions.copy()
2343
# scan through looking for a revision whose parents
2345
for rev_id in sorted(list(todo)):
2346
rev = self.revisions[rev_id]
2347
parent_ids = set(rev.parent_ids)
2348
if parent_ids.issubset(done):
2349
# can take this one now
2350
order.append(rev_id)
2356
class ConvertBzrDir5To6(Converter):
2357
"""Converts format 5 bzr dirs to format 6."""
2359
def convert(self, to_convert, pb):
2360
"""See Converter.convert()."""
2361
self.bzrdir = to_convert
2363
self.pb.note('starting upgrade from format 5 to 6')
2364
self._convert_to_prefixed()
2365
return BzrDir.open(self.bzrdir.root_transport.base)
2367
def _convert_to_prefixed(self):
2368
from bzrlib.store import TransportStore
2369
self.bzrdir.transport.delete('branch-format')
2370
for store_name in ["weaves", "revision-store"]:
2371
self.pb.note("adding prefixes to %s" % store_name)
2372
store_transport = self.bzrdir.transport.clone(store_name)
2373
store = TransportStore(store_transport, prefixed=True)
2374
for urlfilename in store_transport.list_dir('.'):
2375
filename = urlutils.unescape(urlfilename)
2376
if (filename.endswith(".weave") or
2377
filename.endswith(".gz") or
2378
filename.endswith(".sig")):
2379
file_id, suffix = os.path.splitext(filename)
2383
new_name = store._mapper.map((file_id,)) + suffix
2384
# FIXME keep track of the dirs made RBC 20060121
2386
store_transport.move(filename, new_name)
2387
except errors.NoSuchFile: # catches missing dirs strangely enough
2388
store_transport.mkdir(osutils.dirname(new_name))
2389
store_transport.move(filename, new_name)
2390
self.bzrdir.transport.put_bytes(
2392
BzrDirFormat6().get_format_string(),
2393
mode=self.bzrdir._get_file_mode())
2396
class ConvertBzrDir6ToMeta(Converter):
2397
"""Converts format 6 bzr dirs to metadirs."""
2399
def convert(self, to_convert, pb):
2400
"""See Converter.convert()."""
2401
from bzrlib.repofmt.weaverepo import RepositoryFormat7
2402
from bzrlib.branch import BzrBranchFormat5
2403
self.bzrdir = to_convert
2406
self.total = 20 # the steps we know about
2407
self.garbage_inventories = []
2408
self.dir_mode = self.bzrdir._get_dir_mode()
2409
self.file_mode = self.bzrdir._get_file_mode()
2411
self.pb.note('starting upgrade from format 6 to metadir')
2412
self.bzrdir.transport.put_bytes(
2414
"Converting to format 6",
2415
mode=self.file_mode)
2416
# its faster to move specific files around than to open and use the apis...
2417
# first off, nuke ancestry.weave, it was never used.
2419
self.step('Removing ancestry.weave')
2420
self.bzrdir.transport.delete('ancestry.weave')
2421
except errors.NoSuchFile:
2423
# find out whats there
2424
self.step('Finding branch files')
2425
last_revision = self.bzrdir.open_branch().last_revision()
2426
bzrcontents = self.bzrdir.transport.list_dir('.')
2427
for name in bzrcontents:
2428
if name.startswith('basis-inventory.'):
2429
self.garbage_inventories.append(name)
2430
# create new directories for repository, working tree and branch
2431
repository_names = [('inventory.weave', True),
2432
('revision-store', True),
2434
self.step('Upgrading repository ')
2435
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
2436
self.make_lock('repository')
2437
# we hard code the formats here because we are converting into
2438
# the meta format. The meta format upgrader can take this to a
2439
# future format within each component.
2440
self.put_format('repository', RepositoryFormat7())
2441
for entry in repository_names:
2442
self.move_entry('repository', entry)
2444
self.step('Upgrading branch ')
2445
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
2446
self.make_lock('branch')
2447
self.put_format('branch', BzrBranchFormat5())
2448
branch_files = [('revision-history', True),
2449
('branch-name', True),
2451
for entry in branch_files:
2452
self.move_entry('branch', entry)
2454
checkout_files = [('pending-merges', True),
2455
('inventory', True),
2456
('stat-cache', False)]
2457
# If a mandatory checkout file is not present, the branch does not have
2458
# a functional checkout. Do not create a checkout in the converted
2460
for name, mandatory in checkout_files:
2461
if mandatory and name not in bzrcontents:
2462
has_checkout = False
2466
if not has_checkout:
2467
self.pb.note('No working tree.')
2468
# If some checkout files are there, we may as well get rid of them.
2469
for name, mandatory in checkout_files:
2470
if name in bzrcontents:
2471
self.bzrdir.transport.delete(name)
2473
from bzrlib.workingtree import WorkingTreeFormat3
2474
self.step('Upgrading working tree')
2475
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
2476
self.make_lock('checkout')
2478
'checkout', WorkingTreeFormat3())
2479
self.bzrdir.transport.delete_multi(
2480
self.garbage_inventories, self.pb)
2481
for entry in checkout_files:
2482
self.move_entry('checkout', entry)
2483
if last_revision is not None:
2484
self.bzrdir.transport.put_bytes(
2485
'checkout/last-revision', last_revision)
2486
self.bzrdir.transport.put_bytes(
2488
BzrDirMetaFormat1().get_format_string(),
2489
mode=self.file_mode)
2490
return BzrDir.open(self.bzrdir.root_transport.base)
2492
def make_lock(self, name):
2493
"""Make a lock for the new control dir name."""
2494
self.step('Make %s lock' % name)
2495
ld = lockdir.LockDir(self.bzrdir.transport,
2497
file_modebits=self.file_mode,
2498
dir_modebits=self.dir_mode)
2501
def move_entry(self, new_dir, entry):
2502
"""Move then entry name into new_dir."""
2504
mandatory = entry[1]
2505
self.step('Moving %s' % name)
2507
self.bzrdir.transport.move(name, '%s/%s' % (new_dir, name))
2508
except errors.NoSuchFile:
2512
def put_format(self, dirname, format):
2513
self.bzrdir.transport.put_bytes('%s/format' % dirname,
2514
format.get_format_string(),
2518
class ConvertMetaToMeta(Converter):
2519
"""Converts the components of metadirs."""
2521
def __init__(self, target_format):
2522
"""Create a metadir to metadir converter.
2524
:param target_format: The final metadir format that is desired.
2526
self.target_format = target_format
2528
def convert(self, to_convert, pb):
2529
"""See Converter.convert()."""
2530
self.bzrdir = to_convert
2534
self.step('checking repository format')
2536
repo = self.bzrdir.open_repository()
2537
except errors.NoRepositoryPresent:
2540
if not isinstance(repo._format, self.target_format.repository_format.__class__):
2541
from bzrlib.repository import CopyConverter
2542
self.pb.note('starting repository conversion')
2543
converter = CopyConverter(self.target_format.repository_format)
2544
converter.convert(repo, pb)
2546
branch = self.bzrdir.open_branch()
2547
except errors.NotBranchError:
2550
# TODO: conversions of Branch and Tree should be done by
2551
# InterXFormat lookups/some sort of registry.
2552
# Avoid circular imports
2553
from bzrlib import branch as _mod_branch
2554
old = branch._format.__class__
2555
new = self.target_format.get_branch_format().__class__
2557
if (old == _mod_branch.BzrBranchFormat5 and
2558
new in (_mod_branch.BzrBranchFormat6,
2559
_mod_branch.BzrBranchFormat7)):
2560
branch_converter = _mod_branch.Converter5to6()
2561
elif (old == _mod_branch.BzrBranchFormat6 and
2562
new == _mod_branch.BzrBranchFormat7):
2563
branch_converter = _mod_branch.Converter6to7()
2565
raise errors.BadConversionTarget("No converter", new)
2566
branch_converter.convert(branch)
2567
branch = self.bzrdir.open_branch()
2568
old = branch._format.__class__
2570
tree = self.bzrdir.open_workingtree(recommend_upgrade=False)
2571
except (errors.NoWorkingTree, errors.NotLocalUrl):
2574
# TODO: conversions of Branch and Tree should be done by
2575
# InterXFormat lookups
2576
if (isinstance(tree, workingtree.WorkingTree3) and
2577
not isinstance(tree, workingtree_4.WorkingTree4) and
2578
isinstance(self.target_format.workingtree_format,
2579
workingtree_4.WorkingTreeFormat4)):
2580
workingtree_4.Converter3to4().convert(tree)
2584
# This is not in remote.py because it's small, and needs to be registered.
2585
# Putting it in remote.py creates a circular import problem.
2586
# we can make it a lazy object if the control formats is turned into something
2588
class RemoteBzrDirFormat(BzrDirMetaFormat1):
2589
"""Format representing bzrdirs accessed via a smart server"""
2591
def get_format_description(self):
2592
return 'bzr remote bzrdir'
2595
def probe_transport(klass, transport):
2596
"""Return a RemoteBzrDirFormat object if it looks possible."""
2598
medium = transport.get_smart_medium()
2599
except (NotImplementedError, AttributeError,
2600
errors.TransportNotPossible, errors.NoSmartMedium,
2601
errors.SmartProtocolError):
2602
# no smart server, so not a branch for this format type.
2603
raise errors.NotBranchError(path=transport.base)
2605
# Decline to open it if the server doesn't support our required
2606
# version (3) so that the VFS-based transport will do it.
2607
if medium.should_probe():
2609
server_version = medium.protocol_version()
2610
except errors.SmartProtocolError:
2611
# Apparently there's no usable smart server there, even though
2612
# the medium supports the smart protocol.
2613
raise errors.NotBranchError(path=transport.base)
2614
if server_version != '2':
2615
raise errors.NotBranchError(path=transport.base)
2618
def initialize_on_transport(self, transport):
2620
# hand off the request to the smart server
2621
client_medium = transport.get_smart_medium()
2622
except errors.NoSmartMedium:
2623
# TODO: lookup the local format from a server hint.
2624
local_dir_format = BzrDirMetaFormat1()
2625
return local_dir_format.initialize_on_transport(transport)
2626
client = _SmartClient(client_medium)
2627
path = client.remote_path_from_transport(transport)
2628
response = client.call('BzrDirFormat.initialize', path)
2629
if response[0] != 'ok':
2630
raise errors.SmartProtocolError('unexpected response code %s' % (response,))
2631
return remote.RemoteBzrDir(transport)
2633
def _open(self, transport):
2634
return remote.RemoteBzrDir(transport)
2636
def __eq__(self, other):
2637
if not isinstance(other, RemoteBzrDirFormat):
2639
return self.get_format_description() == other.get_format_description()
2642
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
2645
class BzrDirFormatInfo(object):
2647
def __init__(self, native, deprecated, hidden, experimental):
2648
self.deprecated = deprecated
2649
self.native = native
2650
self.hidden = hidden
2651
self.experimental = experimental
2654
class BzrDirFormatRegistry(registry.Registry):
2655
"""Registry of user-selectable BzrDir subformats.
2657
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
2658
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
2662
"""Create a BzrDirFormatRegistry."""
2663
self._aliases = set()
2664
super(BzrDirFormatRegistry, self).__init__()
2667
"""Return a set of the format names which are aliases."""
2668
return frozenset(self._aliases)
2670
def register_metadir(self, key,
2671
repository_format, help, native=True, deprecated=False,
2677
"""Register a metadir subformat.
2679
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2680
by the Repository format.
2682
:param repository_format: The fully-qualified repository format class
2684
:param branch_format: Fully-qualified branch format class name as
2686
:param tree_format: Fully-qualified tree format class name as
2689
# This should be expanded to support setting WorkingTree and Branch
2690
# formats, once BzrDirMetaFormat1 supports that.
2691
def _load(full_name):
2692
mod_name, factory_name = full_name.rsplit('.', 1)
2694
mod = __import__(mod_name, globals(), locals(),
2696
except ImportError, e:
2697
raise ImportError('failed to load %s: %s' % (full_name, e))
2699
factory = getattr(mod, factory_name)
2700
except AttributeError:
2701
raise AttributeError('no factory %s in module %r'
2706
bd = BzrDirMetaFormat1()
2707
if branch_format is not None:
2708
bd.set_branch_format(_load(branch_format))
2709
if tree_format is not None:
2710
bd.workingtree_format = _load(tree_format)
2711
if repository_format is not None:
2712
bd.repository_format = _load(repository_format)
2714
self.register(key, helper, help, native, deprecated, hidden,
2715
experimental, alias)
2717
def register(self, key, factory, help, native=True, deprecated=False,
2718
hidden=False, experimental=False, alias=False):
2719
"""Register a BzrDirFormat factory.
2721
The factory must be a callable that takes one parameter: the key.
2722
It must produce an instance of the BzrDirFormat when called.
2724
This function mainly exists to prevent the info object from being
2727
registry.Registry.register(self, key, factory, help,
2728
BzrDirFormatInfo(native, deprecated, hidden, experimental))
2730
self._aliases.add(key)
2732
def register_lazy(self, key, module_name, member_name, help, native=True,
2733
deprecated=False, hidden=False, experimental=False, alias=False):
2734
registry.Registry.register_lazy(self, key, module_name, member_name,
2735
help, BzrDirFormatInfo(native, deprecated, hidden, experimental))
2737
self._aliases.add(key)
2739
def set_default(self, key):
2740
"""Set the 'default' key to be a clone of the supplied key.
2742
This method must be called once and only once.
2744
registry.Registry.register(self, 'default', self.get(key),
2745
self.get_help(key), info=self.get_info(key))
2746
self._aliases.add('default')
2748
def set_default_repository(self, key):
2749
"""Set the FormatRegistry default and Repository default.
2751
This is a transitional method while Repository.set_default_format
2754
if 'default' in self:
2755
self.remove('default')
2756
self.set_default(key)
2757
format = self.get('default')()
2759
def make_bzrdir(self, key):
2760
return self.get(key)()
2762
def help_topic(self, topic):
2763
output = textwrap.dedent("""\
2764
These formats can be used for creating branches, working trees, and
2768
default_realkey = None
2769
default_help = self.get_help('default')
2771
for key in self.keys():
2772
if key == 'default':
2774
help = self.get_help(key)
2775
if help == default_help:
2776
default_realkey = key
2778
help_pairs.append((key, help))
2780
def wrapped(key, help, info):
2782
help = '(native) ' + help
2783
return ':%s:\n%s\n\n' % (key,
2784
textwrap.fill(help, initial_indent=' ',
2785
subsequent_indent=' '))
2786
if default_realkey is not None:
2787
output += wrapped(default_realkey, '(default) %s' % default_help,
2788
self.get_info('default'))
2789
deprecated_pairs = []
2790
experimental_pairs = []
2791
for key, help in help_pairs:
2792
info = self.get_info(key)
2795
elif info.deprecated:
2796
deprecated_pairs.append((key, help))
2797
elif info.experimental:
2798
experimental_pairs.append((key, help))
2800
output += wrapped(key, help, info)
2801
if len(experimental_pairs) > 0:
2802
output += "Experimental formats are shown below.\n\n"
2803
for key, help in experimental_pairs:
2804
info = self.get_info(key)
2805
output += wrapped(key, help, info)
2806
if len(deprecated_pairs) > 0:
2807
output += "Deprecated formats are shown below.\n\n"
2808
for key, help in deprecated_pairs:
2809
info = self.get_info(key)
2810
output += wrapped(key, help, info)
2815
class RepositoryAcquisitionPolicy(object):
2816
"""Abstract base class for repository acquisition policies.
2818
A repository acquisition policy decides how a BzrDir acquires a repository
2819
for a branch that is being created. The most basic policy decision is
2820
whether to create a new repository or use an existing one.
2822
def __init__(self, stack_on, stack_on_pwd, require_stacking):
2825
:param stack_on: A location to stack on
2826
:param stack_on_pwd: If stack_on is relative, the location it is
2828
:param require_stacking: If True, it is a failure to not stack.
2830
self._stack_on = stack_on
2831
self._stack_on_pwd = stack_on_pwd
2832
self._require_stacking = require_stacking
2834
def configure_branch(self, branch):
2835
"""Apply any configuration data from this policy to the branch.
2837
Default implementation sets repository stacking.
2839
if self._stack_on is None:
2841
if self._stack_on_pwd is None:
2842
stack_on = self._stack_on
2845
stack_on = urlutils.rebase_url(self._stack_on,
2847
branch.bzrdir.root_transport.base)
2848
except errors.InvalidRebaseURLs:
2849
stack_on = self._get_full_stack_on()
2851
branch.set_stacked_on_url(stack_on)
2852
except errors.UnstackableBranchFormat:
2853
if self._require_stacking:
2856
def _get_full_stack_on(self):
2857
"""Get a fully-qualified URL for the stack_on location."""
2858
if self._stack_on is None:
2860
if self._stack_on_pwd is None:
2861
return self._stack_on
2863
return urlutils.join(self._stack_on_pwd, self._stack_on)
2865
def _add_fallback(self, repository):
2866
"""Add a fallback to the supplied repository, if stacking is set."""
2867
stack_on = self._get_full_stack_on()
2868
if stack_on is None:
2870
stacked_dir = BzrDir.open(stack_on)
2872
stacked_repo = stacked_dir.open_branch().repository
2873
except errors.NotBranchError:
2874
stacked_repo = stacked_dir.open_repository()
2876
repository.add_fallback_repository(stacked_repo)
2877
except errors.UnstackableRepositoryFormat:
2878
if self._require_stacking:
2881
def acquire_repository(self, make_working_trees=None, shared=False):
2882
"""Acquire a repository for this bzrdir.
2884
Implementations may create a new repository or use a pre-exising
2886
:param make_working_trees: If creating a repository, set
2887
make_working_trees to this value (if non-None)
2888
:param shared: If creating a repository, make it shared if True
2889
:return: A repository
2891
raise NotImplemented(RepositoryAcquisitionPolicy.acquire_repository)
2894
class CreateRepository(RepositoryAcquisitionPolicy):
2895
"""A policy of creating a new repository"""
2897
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
2898
require_stacking=False):
2901
:param bzrdir: The bzrdir to create the repository on.
2902
:param stack_on: A location to stack on
2903
:param stack_on_pwd: If stack_on is relative, the location it is
2906
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2908
self._bzrdir = bzrdir
2910
def acquire_repository(self, make_working_trees=None, shared=False):
2911
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2913
Creates the desired repository in the bzrdir we already have.
2915
repository = self._bzrdir.create_repository(shared=shared)
2916
self._add_fallback(repository)
2917
if make_working_trees is not None:
2918
repository.set_make_working_trees(make_working_trees)
2922
class UseExistingRepository(RepositoryAcquisitionPolicy):
2923
"""A policy of reusing an existing repository"""
2925
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
2926
require_stacking=False):
2929
:param repository: The repository to use.
2930
:param stack_on: A location to stack on
2931
:param stack_on_pwd: If stack_on is relative, the location it is
2934
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2936
self._repository = repository
2938
def acquire_repository(self, make_working_trees=None, shared=False):
2939
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2941
Returns an existing repository to use
2943
self._add_fallback(self._repository)
2944
return self._repository
2947
format_registry = BzrDirFormatRegistry()
2948
format_registry.register('weave', BzrDirFormat6,
2949
'Pre-0.8 format. Slower than knit and does not'
2950
' support checkouts or shared repositories.',
2952
format_registry.register_metadir('knit',
2953
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2954
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
2955
branch_format='bzrlib.branch.BzrBranchFormat5',
2956
tree_format='bzrlib.workingtree.WorkingTreeFormat3')
2957
format_registry.register_metadir('metaweave',
2958
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
2959
'Transitional format in 0.8. Slower than knit.',
2960
branch_format='bzrlib.branch.BzrBranchFormat5',
2961
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
2963
format_registry.register_metadir('dirstate',
2964
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2965
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
2966
'above when accessed over the network.',
2967
branch_format='bzrlib.branch.BzrBranchFormat5',
2968
# this uses bzrlib.workingtree.WorkingTreeFormat4 because importing
2969
# directly from workingtree_4 triggers a circular import.
2970
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2972
format_registry.register_metadir('dirstate-tags',
2973
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2974
help='New in 0.15: Fast local operations and improved scaling for '
2975
'network operations. Additionally adds support for tags.'
2976
' Incompatible with bzr < 0.15.',
2977
branch_format='bzrlib.branch.BzrBranchFormat6',
2978
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2980
format_registry.register_metadir('rich-root',
2981
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
2982
help='New in 1.0. Better handling of tree roots. Incompatible with'
2984
branch_format='bzrlib.branch.BzrBranchFormat6',
2985
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2987
format_registry.register_metadir('dirstate-with-subtree',
2988
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
2989
help='New in 0.15: Fast local operations and improved scaling for '
2990
'network operations. Additionally adds support for versioning nested '
2991
'bzr branches. Incompatible with bzr < 0.15.',
2992
branch_format='bzrlib.branch.BzrBranchFormat6',
2993
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2997
format_registry.register_metadir('pack-0.92',
2998
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack1',
2999
help='New in 0.92: Pack-based format with data compatible with '
3000
'dirstate-tags format repositories. Interoperates with '
3001
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3002
'Previously called knitpack-experimental. '
3003
'For more information, see '
3004
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3005
branch_format='bzrlib.branch.BzrBranchFormat6',
3006
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3008
format_registry.register_metadir('pack-0.92-subtree',
3009
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack3',
3010
help='New in 0.92: Pack-based format with data compatible with '
3011
'dirstate-with-subtree format repositories. Interoperates with '
3012
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3013
'Previously called knitpack-experimental. '
3014
'For more information, see '
3015
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3016
branch_format='bzrlib.branch.BzrBranchFormat6',
3017
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3021
format_registry.register_metadir('rich-root-pack',
3022
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack4',
3023
help='New in 1.0: Pack-based format with data compatible with '
3024
'rich-root format repositories. Incompatible with'
3026
branch_format='bzrlib.branch.BzrBranchFormat6',
3027
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3029
format_registry.register_metadir('1.6',
3030
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5',
3031
help='A branch and pack based repository that supports stacking. ',
3032
branch_format='bzrlib.branch.BzrBranchFormat7',
3033
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3035
format_registry.register_metadir('1.6.1-rich-root',
3036
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5RichRoot',
3037
help='A branch and pack based repository that supports stacking '
3038
'and rich root data (needed for bzr-svn). ',
3039
branch_format='bzrlib.branch.BzrBranchFormat7',
3040
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3042
# The following two formats should always just be aliases.
3043
format_registry.register_metadir('development',
3044
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1',
3045
help='Current development format. Can convert data to and from pack-0.92 '
3046
'(and anything compatible with pack-0.92) format repositories. '
3047
'Repositories and branches in this format can only be read by bzr.dev. '
3049
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3051
branch_format='bzrlib.branch.BzrBranchFormat7',
3052
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3056
format_registry.register_metadir('development-subtree',
3057
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1Subtree',
3058
help='Current development format, subtree variant. Can convert data to and '
3059
'from pack-0.92-subtree (and anything compatible with '
3060
'pack-0.92-subtree) format repositories. Repositories and branches in '
3061
'this format can only be read by bzr.dev. Please read '
3062
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3064
branch_format='bzrlib.branch.BzrBranchFormat7',
3065
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3069
# And the development formats which the will have aliased one of follow:
3070
format_registry.register_metadir('development0',
3071
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0',
3072
help='Trivial rename of pack-0.92 to provide a development format. '
3074
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3076
branch_format='bzrlib.branch.BzrBranchFormat6',
3077
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3081
format_registry.register_metadir('development0-subtree',
3082
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0Subtree',
3083
help='Trivial rename of pack-0.92-subtree to provide a development format. '
3085
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3087
branch_format='bzrlib.branch.BzrBranchFormat6',
3088
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3092
format_registry.register_metadir('development1',
3093
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1',
3094
help='A branch and pack based repository that supports stacking. '
3096
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3098
branch_format='bzrlib.branch.BzrBranchFormat7',
3099
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3103
format_registry.register_metadir('development1-subtree',
3104
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1Subtree',
3105
help='A branch and pack based repository that supports stacking. '
3107
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3109
branch_format='bzrlib.branch.BzrBranchFormat7',
3110
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3114
# The current format that is made on 'bzr init'.
3115
format_registry.set_default('pack-0.92')
added
removed
bzrlib/bzrdir.py
