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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 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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revision as _mod_revision,
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from bzrlib.osutils import (
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from bzrlib.smart.client import _SmartClient
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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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"""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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"""Invoke break_lock on the first object in the bzrdir.
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If there is a tree, the tree is opened and break_lock() called.
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Otherwise, branch is tried, and finally repository.
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# XXX: This seems more like a UI function than something that really
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# belongs in this class.
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thing_to_unlock = self.open_workingtree()
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except (errors.NotLocalUrl, errors.NoWorkingTree):
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thing_to_unlock = self.open_branch()
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except errors.NotBranchError:
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thing_to_unlock = self.open_repository()
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except errors.NoRepositoryPresent:
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thing_to_unlock.break_lock()
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def can_convert_format(self):
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"""Return true if this bzrdir is one whose format we can convert from."""
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def check_conversion_target(self, target_format):
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target_repo_format = target_format.repository_format
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source_repo_format = self._format.repository_format
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source_repo_format.check_conversion_target(target_repo_format)
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def _check_supported(format, allow_unsupported,
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recommend_upgrade=True,
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"""Give an error or warning on old formats.
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:param format: may be any kind of format - workingtree, branch,
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:param allow_unsupported: If true, allow opening
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formats that are strongly deprecated, and which may
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have limited functionality.
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:param recommend_upgrade: If true (default), warn
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the user through the ui object that they may wish
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to upgrade the object.
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# TODO: perhaps move this into a base Format class; it's not BzrDir
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# specific. mbp 20070323
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if not allow_unsupported and not format.is_supported():
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# see open_downlevel to open legacy branches.
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raise errors.UnsupportedFormatError(format=format)
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if recommend_upgrade \
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and getattr(format, 'upgrade_recommended', False):
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ui.ui_factory.recommend_upgrade(
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format.get_format_description(),
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def clone(self, url, revision_id=None, force_new_repo=False,
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preserve_stacking=False):
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"""Clone this bzrdir and its contents to url verbatim.
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:param url: The url create the clone at. If url's last component does
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not exist, it will be created.
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:param revision_id: The tip revision-id to use for any branch or
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working tree. If not None, then the clone operation may tune
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itself to download less data.
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:param force_new_repo: Do not use a shared repository for the target
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even if one is available.
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:param preserve_stacking: When cloning a stacked branch, stack the
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new branch on top of the other branch's stacked-on branch.
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return self.clone_on_transport(get_transport(url),
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revision_id=revision_id,
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force_new_repo=force_new_repo,
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preserve_stacking=preserve_stacking)
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def clone_on_transport(self, transport, revision_id=None,
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force_new_repo=False, preserve_stacking=False,
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"""Clone this bzrdir and its contents to transport verbatim.
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:param transport: The transport for the location to produce the clone
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at. If the target directory does not exist, it will be created.
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:param revision_id: The tip revision-id to use for any branch or
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working tree. If not None, then the clone operation may tune
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itself to download less data.
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:param force_new_repo: Do not use a shared repository for the target,
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even if one is available.
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:param preserve_stacking: When cloning a stacked branch, stack the
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new branch on top of the other branch's stacked-on branch.
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transport.ensure_base()
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require_stacking = (stacked_on is not None)
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metadir = self.cloning_metadir(require_stacking)
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result = metadir.initialize_on_transport(transport)
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repository_policy = None
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local_repo = self.find_repository()
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except errors.NoRepositoryPresent:
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local_branch = self.open_branch()
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except errors.NotBranchError:
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# enable fallbacks when branch is not a branch reference
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if local_branch.repository.has_same_location(local_repo):
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local_repo = local_branch.repository
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if preserve_stacking:
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stacked_on = local_branch.get_stacked_on_url()
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except (errors.UnstackableBranchFormat,
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errors.UnstackableRepositoryFormat,
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# may need to copy content in
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repository_policy = result.determine_repository_policy(
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force_new_repo, stacked_on, self.root_transport.base,
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require_stacking=require_stacking)
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make_working_trees = local_repo.make_working_trees()
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result_repo = repository_policy.acquire_repository(
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make_working_trees, local_repo.is_shared())
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result_repo.fetch(local_repo, revision_id=revision_id)
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# 1 if there is a branch present
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# make sure its content is available in the target repository
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if local_branch is not None:
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result_branch = local_branch.clone(result, revision_id=revision_id)
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if repository_policy is not None:
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repository_policy.configure_branch(result_branch)
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if result_repo is None or result_repo.make_working_trees():
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self.open_workingtree().clone(result)
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except (errors.NoWorkingTree, errors.NotLocalUrl):
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# TODO: This should be given a Transport, and should chdir up; otherwise
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# this will open a new connection.
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def _make_tail(self, url):
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t = get_transport(url)
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def create(cls, base, format=None, possible_transports=None):
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"""Create a new BzrDir at the url 'base'.
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:param format: If supplied, the format of branch to create. If not
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supplied, the default is used.
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:param possible_transports: If supplied, a list of transports that
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can be reused to share a remote connection.
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if cls is not BzrDir:
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raise AssertionError("BzrDir.create always creates the default"
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" format, not one of %r" % cls)
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t = get_transport(base, possible_transports)
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format = BzrDirFormat.get_default_format()
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return format.initialize_on_transport(t)
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def find_bzrdirs(transport, evaluate=None, list_current=None):
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"""Find bzrdirs recursively from current location.
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This is intended primarily as a building block for more sophisticated
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functionality, like finding trees under a directory, or finding
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branches that use a given repository.
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:param evaluate: An optional callable that yields recurse, value,
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where recurse controls whether this bzrdir is recursed into
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and value is the value to yield. By default, all bzrdirs
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are recursed into, and the return value is the bzrdir.
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:param list_current: if supplied, use this function to list the current
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directory, instead of Transport.list_dir
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:return: a generator of found bzrdirs, or whatever evaluate returns.
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if list_current is None:
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def list_current(transport):
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return transport.list_dir('')
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def evaluate(bzrdir):
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pending = [transport]
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while len(pending) > 0:
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current_transport = pending.pop()
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bzrdir = BzrDir.open_from_transport(current_transport)
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except errors.NotBranchError:
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recurse, value = evaluate(bzrdir)
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subdirs = list_current(current_transport)
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except errors.NoSuchFile:
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for subdir in sorted(subdirs, reverse=True):
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pending.append(current_transport.clone(subdir))
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def find_branches(transport):
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"""Find all branches under a transport.
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This will find all branches below the transport, including branches
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inside other branches. Where possible, it will use
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Repository.find_branches.
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To list all the branches that use a particular Repository, see
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Repository.find_branches
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def evaluate(bzrdir):
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repository = bzrdir.open_repository()
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except errors.NoRepositoryPresent:
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return False, (None, repository)
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branch = bzrdir.open_branch()
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except errors.NotBranchError:
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return True, (None, None)
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return True, (branch, None)
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for branch, repo in BzrDir.find_bzrdirs(transport, evaluate=evaluate):
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branches.extend(repo.find_branches())
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if branch is not None:
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branches.append(branch)
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def destroy_repository(self):
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"""Destroy the repository in this BzrDir"""
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raise NotImplementedError(self.destroy_repository)
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def create_branch(self):
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"""Create a branch in this BzrDir.
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The bzrdir's format will control what branch format is created.
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For more control see BranchFormatXX.create(a_bzrdir).
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raise NotImplementedError(self.create_branch)
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def destroy_branch(self):
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"""Destroy the branch in this BzrDir"""
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raise NotImplementedError(self.destroy_branch)
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def create_branch_and_repo(base, force_new_repo=False, format=None):
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"""Create a new BzrDir, Branch and Repository at the url 'base'.
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This will use the current default BzrDirFormat unless one is
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specified, and use whatever
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repository format that that uses via bzrdir.create_branch and
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create_repository. If a shared repository is available that is used
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The created Branch object is returned.
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:param base: The URL to create the branch at.
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:param force_new_repo: If True a new repository is always created.
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:param format: If supplied, the format of branch to create. If not
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supplied, the default is used.
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bzrdir = BzrDir.create(base, format)
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bzrdir._find_or_create_repository(force_new_repo)
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return bzrdir.create_branch()
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def determine_repository_policy(self, force_new_repo=False, stack_on=None,
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stack_on_pwd=None, require_stacking=False):
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"""Return an object representing a policy to use.
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This controls whether a new repository is created, or a shared
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repository used instead.
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If stack_on is supplied, will not seek a containing shared repo.
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:param force_new_repo: If True, require a new repository to be created.
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:param stack_on: If supplied, the location to stack on. If not
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supplied, a default_stack_on location may be used.
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:param stack_on_pwd: If stack_on is relative, the location it is
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def repository_policy(found_bzrdir):
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config = found_bzrdir.get_config()
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if config is not None:
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stack_on = config.get_default_stack_on()
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if stack_on is not None:
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stack_on_pwd = found_bzrdir.root_transport.base
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note('Using default stacking branch %s at %s', stack_on,
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# does it have a repository ?
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repository = found_bzrdir.open_repository()
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except errors.NoRepositoryPresent:
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if ((found_bzrdir.root_transport.base !=
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self.root_transport.base) and not repository.is_shared()):
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return UseExistingRepository(repository, stack_on,
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stack_on_pwd, require_stacking=require_stacking), True
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return CreateRepository(self, stack_on, stack_on_pwd,
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require_stacking=require_stacking), True
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if not force_new_repo:
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policy = self._find_containing(repository_policy)
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if policy is not None:
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return UseExistingRepository(self.open_repository(),
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stack_on, stack_on_pwd,
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require_stacking=require_stacking)
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except errors.NoRepositoryPresent:
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return CreateRepository(self, stack_on, stack_on_pwd,
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require_stacking=require_stacking)
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def _find_or_create_repository(self, force_new_repo):
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"""Create a new repository if needed, returning the repository."""
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policy = self.determine_repository_policy(force_new_repo)
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return policy.acquire_repository()
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def create_branch_convenience(base, force_new_repo=False,
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force_new_tree=None, format=None,
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possible_transports=None):
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"""Create a new BzrDir, Branch and Repository at the url 'base'.
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This is a convenience function - it will use an existing repository
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if possible, can be told explicitly whether to create a working tree or
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This will use the current default BzrDirFormat unless one is
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specified, and use whatever
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repository format that that uses via bzrdir.create_branch and
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create_repository. If a shared repository is available that is used
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preferentially. Whatever repository is used, its tree creation policy
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The created Branch object is returned.
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If a working tree cannot be made due to base not being a file:// url,
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no error is raised unless force_new_tree is True, in which case no
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data is created on disk and NotLocalUrl is raised.
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:param base: The URL to create the branch at.
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:param force_new_repo: If True a new repository is always created.
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:param force_new_tree: If True or False force creation of a tree or
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prevent such creation respectively.
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:param format: Override for the bzrdir format to create.
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:param possible_transports: An optional reusable transports list.
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# check for non local urls
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t = get_transport(base, possible_transports)
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if not isinstance(t, local.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, local.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)
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return BzrDir.open_from_transport(t, _unsupported=_unsupported)
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def open_from_transport(transport, _unsupported=False,
770
_server_formats=True):
771
"""Open a bzrdir within a particular directory.
773
:param transport: Transport containing the bzrdir.
774
:param _unsupported: private.
776
base = transport.base
778
def find_format(transport):
779
return transport, BzrDirFormat.find_format(
780
transport, _server_formats=_server_formats)
782
def redirected(transport, e, redirection_notice):
783
qualified_source = e.get_source_url()
784
relpath = transport.relpath(qualified_source)
785
if not e.target.endswith(relpath):
786
# Not redirected to a branch-format, not a branch
787
raise errors.NotBranchError(path=e.target)
788
target = e.target[:-len(relpath)]
789
note('%s is%s redirected to %s',
790
transport.base, e.permanently, target)
791
# Let's try with a new transport
792
# FIXME: If 'transport' has a qualifier, this should
793
# be applied again to the new transport *iff* the
794
# schemes used are the same. Uncomment this code
795
# once the function (and tests) exist.
797
#target = urlutils.copy_url_qualifiers(original, target)
798
return get_transport(target)
801
transport, format = do_catching_redirections(find_format,
804
except errors.TooManyRedirections:
805
raise errors.NotBranchError(base)
807
BzrDir._check_supported(format, _unsupported)
808
return format.open(transport, _found=True)
810
def open_branch(self, unsupported=False):
811
"""Open the branch object at this BzrDir if one is present.
813
If unsupported is True, then no longer supported branch formats can
816
TODO: static convenience version of this?
818
raise NotImplementedError(self.open_branch)
821
def open_containing(url, possible_transports=None):
822
"""Open an existing branch which contains url.
824
:param url: url to search from.
825
See open_containing_from_transport for more detail.
827
transport = get_transport(url, possible_transports)
828
return BzrDir.open_containing_from_transport(transport)
831
def open_containing_from_transport(a_transport):
832
"""Open an existing branch which contains a_transport.base.
834
This probes for a branch at a_transport, and searches upwards from there.
836
Basically we keep looking up until we find the control directory or
837
run into the root. If there isn't one, raises NotBranchError.
838
If there is one and it is either an unrecognised format or an unsupported
839
format, UnknownFormatError or UnsupportedFormatError are raised.
840
If there is one, it is returned, along with the unused portion of url.
842
:return: The BzrDir that contains the path, and a Unicode path
843
for the rest of the URL.
845
# this gets the normalised url back. I.e. '.' -> the full path.
846
url = a_transport.base
849
result = BzrDir.open_from_transport(a_transport)
850
return result, urlutils.unescape(a_transport.relpath(url))
851
except errors.NotBranchError, e:
854
new_t = a_transport.clone('..')
855
except errors.InvalidURLJoin:
856
# reached the root, whatever that may be
857
raise errors.NotBranchError(path=url)
858
if new_t.base == a_transport.base:
859
# reached the root, whatever that may be
860
raise errors.NotBranchError(path=url)
863
def _get_tree_branch(self):
864
"""Return the branch and tree, if any, for this bzrdir.
866
Return None for tree if not present or inaccessible.
867
Raise NotBranchError if no branch is present.
868
:return: (tree, branch)
871
tree = self.open_workingtree()
872
except (errors.NoWorkingTree, errors.NotLocalUrl):
874
branch = self.open_branch()
880
def open_tree_or_branch(klass, location):
881
"""Return the branch and working tree at a location.
883
If there is no tree at the location, tree will be None.
884
If there is no branch at the location, an exception will be
886
:return: (tree, branch)
888
bzrdir = klass.open(location)
889
return bzrdir._get_tree_branch()
892
def open_containing_tree_or_branch(klass, location):
893
"""Return the branch and working tree contained by a location.
895
Returns (tree, branch, relpath).
896
If there is no tree at containing the location, tree will be None.
897
If there is no branch containing the location, an exception will be
899
relpath is the portion of the path that is contained by the branch.
901
bzrdir, relpath = klass.open_containing(location)
902
tree, branch = bzrdir._get_tree_branch()
903
return tree, branch, relpath
906
def open_containing_tree_branch_or_repository(klass, location):
907
"""Return the working tree, branch and repo contained by a location.
909
Returns (tree, branch, repository, relpath).
910
If there is no tree containing the location, tree will be None.
911
If there is no branch containing the location, branch will be None.
912
If there is no repository containing the location, repository will be
914
relpath is the portion of the path that is contained by the innermost
917
If no tree, branch or repository is found, a NotBranchError is raised.
919
bzrdir, relpath = klass.open_containing(location)
921
tree, branch = bzrdir._get_tree_branch()
922
except errors.NotBranchError:
924
repo = bzrdir.find_repository()
925
return None, None, repo, relpath
926
except (errors.NoRepositoryPresent):
927
raise errors.NotBranchError(location)
928
return tree, branch, branch.repository, relpath
930
def open_repository(self, _unsupported=False):
931
"""Open the repository object at this BzrDir if one is present.
933
This will not follow the Branch object pointer - it's strictly a direct
934
open facility. Most client code should use open_branch().repository to
937
:param _unsupported: a private parameter, not part of the api.
938
TODO: static convenience version of this?
940
raise NotImplementedError(self.open_repository)
942
def open_workingtree(self, _unsupported=False,
943
recommend_upgrade=True, from_branch=None):
944
"""Open the workingtree object at this BzrDir if one is present.
946
:param recommend_upgrade: Optional keyword parameter, when True (the
947
default), emit through the ui module a recommendation that the user
948
upgrade the working tree when the workingtree being opened is old
949
(but still fully supported).
950
:param from_branch: override bzrdir branch (for lightweight checkouts)
952
raise NotImplementedError(self.open_workingtree)
954
def has_branch(self):
955
"""Tell if this bzrdir contains a branch.
957
Note: if you're going to open the branch, you should just go ahead
958
and try, and not ask permission first. (This method just opens the
959
branch and discards it, and that's somewhat expensive.)
964
except errors.NotBranchError:
967
def has_workingtree(self):
968
"""Tell if this bzrdir contains a working tree.
970
This will still raise an exception if the bzrdir has a workingtree that
971
is remote & inaccessible.
973
Note: if you're going to open the working tree, you should just go ahead
974
and try, and not ask permission first. (This method just opens the
975
workingtree and discards it, and that's somewhat expensive.)
978
self.open_workingtree(recommend_upgrade=False)
980
except errors.NoWorkingTree:
983
def _cloning_metadir(self):
984
"""Produce a metadir suitable for cloning with.
986
:returns: (destination_bzrdir_format, source_repository)
988
result_format = self._format.__class__()
991
branch = self.open_branch()
992
source_repository = branch.repository
993
result_format._branch_format = branch._format
994
except errors.NotBranchError:
996
source_repository = self.open_repository()
997
except errors.NoRepositoryPresent:
998
source_repository = None
1000
# XXX TODO: This isinstance is here because we have not implemented
1001
# the fix recommended in bug # 103195 - to delegate this choice the
1002
# repository itself.
1003
repo_format = source_repository._format
1004
if isinstance(repo_format, remote.RemoteRepositoryFormat):
1005
source_repository._ensure_real()
1006
repo_format = source_repository._real_repository._format
1007
result_format.repository_format = repo_format
1009
# TODO: Couldn't we just probe for the format in these cases,
1010
# rather than opening the whole tree? It would be a little
1011
# faster. mbp 20070401
1012
tree = self.open_workingtree(recommend_upgrade=False)
1013
except (errors.NoWorkingTree, errors.NotLocalUrl):
1014
result_format.workingtree_format = None
1016
result_format.workingtree_format = tree._format.__class__()
1017
return result_format, source_repository
1019
def cloning_metadir(self, require_stacking=False):
1020
"""Produce a metadir suitable for cloning or sprouting with.
1022
These operations may produce workingtrees (yes, even though they're
1023
"cloning" something that doesn't have a tree), so a viable workingtree
1024
format must be selected.
1026
:require_stacking: If True, non-stackable formats will be upgraded
1027
to similar stackable formats.
1028
:returns: a BzrDirFormat with all component formats either set
1029
appropriately or set to None if that component should not be
1032
format, repository = self._cloning_metadir()
1033
if format._workingtree_format is None:
1034
if repository is None:
1036
tree_format = repository._format._matchingbzrdir.workingtree_format
1037
format.workingtree_format = tree_format.__class__()
1038
if (require_stacking and not
1039
format.get_branch_format().supports_stacking()):
1040
# We need to make a stacked branch, but the default format for the
1041
# target doesn't support stacking. So force a branch that *can*
1043
from bzrlib.branch import BzrBranchFormat7
1044
format._branch_format = BzrBranchFormat7()
1045
mutter("using %r for stacking" % (format._branch_format,))
1046
from bzrlib.repofmt import pack_repo
1047
if format.repository_format.rich_root_data:
1048
bzrdir_format_name = '1.6.1-rich-root'
1049
repo_format = pack_repo.RepositoryFormatKnitPack5RichRoot()
1051
bzrdir_format_name = '1.6'
1052
repo_format = pack_repo.RepositoryFormatKnitPack5()
1053
note('Source format does not support stacking, using format:'
1055
bzrdir_format_name, repo_format.get_format_description())
1056
format.repository_format = repo_format
1059
def checkout_metadir(self):
1060
return self.cloning_metadir()
1062
def sprout(self, url, revision_id=None, force_new_repo=False,
1063
recurse='down', possible_transports=None,
1064
accelerator_tree=None, hardlink=False, stacked=False,
1065
source_branch=None):
1066
"""Create a copy of this bzrdir prepared for use as a new line of
1069
If url's last component does not exist, it will be created.
1071
Attributes related to the identity of the source branch like
1072
branch nickname will be cleaned, a working tree is created
1073
whether one existed before or not; and a local branch is always
1076
if revision_id is not None, then the clone operation may tune
1077
itself to download less data.
1078
:param accelerator_tree: A tree which can be used for retrieving file
1079
contents more quickly than the revision tree, i.e. a workingtree.
1080
The revision tree will be used for cases where accelerator_tree's
1081
content is different.
1082
:param hardlink: If true, hard-link files from accelerator_tree,
1084
:param stacked: If true, create a stacked branch referring to the
1085
location of this control directory.
1087
target_transport = get_transport(url, possible_transports)
1088
target_transport.ensure_base()
1089
cloning_format = self.cloning_metadir(stacked)
1090
# Create/update the result branch
1091
result = cloning_format.initialize_on_transport(target_transport)
1092
# if a stacked branch wasn't requested, we don't create one
1093
# even if the origin was stacked
1094
stacked_branch_url = None
1095
if source_branch is not None:
1097
stacked_branch_url = self.root_transport.base
1098
source_repository = source_branch.repository
1101
source_branch = self.open_branch()
1102
source_repository = source_branch.repository
1104
stacked_branch_url = self.root_transport.base
1105
except errors.NotBranchError:
1106
source_branch = None
1108
source_repository = self.open_repository()
1109
except errors.NoRepositoryPresent:
1110
source_repository = None
1111
repository_policy = result.determine_repository_policy(
1112
force_new_repo, stacked_branch_url, require_stacking=stacked)
1113
result_repo = repository_policy.acquire_repository()
1114
if source_repository is not None:
1115
# Fetch while stacked to prevent unstacked fetch from
1117
result_repo.fetch(source_repository, revision_id=revision_id)
1119
if source_branch is None:
1120
# this is for sprouting a bzrdir without a branch; is that
1122
# Not especially, but it's part of the contract.
1123
result_branch = result.create_branch()
1125
# Force NULL revision to avoid using repository before stacking
1127
result_branch = source_branch.sprout(
1128
result, revision_id=_mod_revision.NULL_REVISION)
1129
parent_location = result_branch.get_parent()
1130
mutter("created new branch %r" % (result_branch,))
1131
repository_policy.configure_branch(result_branch)
1132
if source_branch is not None:
1133
source_branch.copy_content_into(result_branch, revision_id)
1134
# Override copy_content_into
1135
result_branch.set_parent(parent_location)
1137
# Create/update the result working tree
1138
if isinstance(target_transport, local.LocalTransport) and (
1139
result_repo is None or result_repo.make_working_trees()):
1140
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
1144
if wt.path2id('') is None:
1146
wt.set_root_id(self.open_workingtree.get_root_id())
1147
except errors.NoWorkingTree:
1153
if recurse == 'down':
1155
basis = wt.basis_tree()
1157
subtrees = basis.iter_references()
1158
elif result_branch is not None:
1159
basis = result_branch.basis_tree()
1161
subtrees = basis.iter_references()
1162
elif source_branch is not None:
1163
basis = source_branch.basis_tree()
1165
subtrees = basis.iter_references()
1170
for path, file_id in subtrees:
1171
target = urlutils.join(url, urlutils.escape(path))
1172
sublocation = source_branch.reference_parent(file_id, path)
1173
sublocation.bzrdir.sprout(target,
1174
basis.get_reference_revision(file_id, path),
1175
force_new_repo=force_new_repo, recurse=recurse,
1178
if basis is not None:
1183
class BzrDirPreSplitOut(BzrDir):
1184
"""A common class for the all-in-one formats."""
1186
def __init__(self, _transport, _format):
1187
"""See BzrDir.__init__."""
1188
super(BzrDirPreSplitOut, self).__init__(_transport, _format)
1189
self._control_files = lockable_files.LockableFiles(
1190
self.get_branch_transport(None),
1191
self._format._lock_file_name,
1192
self._format._lock_class)
1194
def break_lock(self):
1195
"""Pre-splitout bzrdirs do not suffer from stale locks."""
1196
raise NotImplementedError(self.break_lock)
1198
def cloning_metadir(self, require_stacking=False):
1199
"""Produce a metadir suitable for cloning with."""
1200
if require_stacking:
1201
return format_registry.make_bzrdir('1.6')
1202
return self._format.__class__()
1204
def clone(self, url, revision_id=None, force_new_repo=False,
1205
preserve_stacking=False):
1206
"""See BzrDir.clone().
1208
force_new_repo has no effect, since this family of formats always
1209
require a new repository.
1210
preserve_stacking has no effect, since no source branch using this
1211
family of formats can be stacked, so there is no stacking to preserve.
1213
self._make_tail(url)
1214
result = self._format._initialize_for_clone(url)
1215
self.open_repository().clone(result, revision_id=revision_id)
1216
from_branch = self.open_branch()
1217
from_branch.clone(result, revision_id=revision_id)
1219
tree = self.open_workingtree()
1220
except errors.NotLocalUrl:
1221
# make a new one, this format always has to have one.
1222
result._init_workingtree()
1227
def create_branch(self):
1228
"""See BzrDir.create_branch."""
1229
return self._format.get_branch_format().initialize(self)
1231
def destroy_branch(self):
1232
"""See BzrDir.destroy_branch."""
1233
raise errors.UnsupportedOperation(self.destroy_branch, self)
1235
def create_repository(self, shared=False):
1236
"""See BzrDir.create_repository."""
1238
raise errors.IncompatibleFormat('shared repository', self._format)
1239
return self.open_repository()
1241
def destroy_repository(self):
1242
"""See BzrDir.destroy_repository."""
1243
raise errors.UnsupportedOperation(self.destroy_repository, self)
1245
def create_workingtree(self, revision_id=None, from_branch=None,
1246
accelerator_tree=None, hardlink=False):
1247
"""See BzrDir.create_workingtree."""
1248
# The workingtree is sometimes created when the bzrdir is created,
1249
# but not when cloning.
1251
# this looks buggy but is not -really-
1252
# because this format creates the workingtree when the bzrdir is
1254
# clone and sprout will have set the revision_id
1255
# and that will have set it for us, its only
1256
# specific uses of create_workingtree in isolation
1257
# that can do wonky stuff here, and that only
1258
# happens for creating checkouts, which cannot be
1259
# done on this format anyway. So - acceptable wart.
1261
result = self.open_workingtree(recommend_upgrade=False)
1262
except errors.NoSuchFile:
1263
result = self._init_workingtree()
1264
if revision_id is not None:
1265
if revision_id == _mod_revision.NULL_REVISION:
1266
result.set_parent_ids([])
1268
result.set_parent_ids([revision_id])
1271
def _init_workingtree(self):
1272
from bzrlib.workingtree import WorkingTreeFormat2
1274
return WorkingTreeFormat2().initialize(self)
1275
except errors.NotLocalUrl:
1276
# Even though we can't access the working tree, we need to
1277
# create its control files.
1278
return WorkingTreeFormat2()._stub_initialize_on_transport(
1279
self.transport, self._control_files._file_mode)
1281
def destroy_workingtree(self):
1282
"""See BzrDir.destroy_workingtree."""
1283
raise errors.UnsupportedOperation(self.destroy_workingtree, self)
1285
def destroy_workingtree_metadata(self):
1286
"""See BzrDir.destroy_workingtree_metadata."""
1287
raise errors.UnsupportedOperation(self.destroy_workingtree_metadata,
1290
def get_branch_transport(self, branch_format):
1291
"""See BzrDir.get_branch_transport()."""
1292
if branch_format is None:
1293
return self.transport
1295
branch_format.get_format_string()
1296
except NotImplementedError:
1297
return self.transport
1298
raise errors.IncompatibleFormat(branch_format, self._format)
1300
def get_repository_transport(self, repository_format):
1301
"""See BzrDir.get_repository_transport()."""
1302
if repository_format is None:
1303
return self.transport
1305
repository_format.get_format_string()
1306
except NotImplementedError:
1307
return self.transport
1308
raise errors.IncompatibleFormat(repository_format, self._format)
1310
def get_workingtree_transport(self, workingtree_format):
1311
"""See BzrDir.get_workingtree_transport()."""
1312
if workingtree_format is None:
1313
return self.transport
1315
workingtree_format.get_format_string()
1316
except NotImplementedError:
1317
return self.transport
1318
raise errors.IncompatibleFormat(workingtree_format, self._format)
1320
def needs_format_conversion(self, format=None):
1321
"""See BzrDir.needs_format_conversion()."""
1322
# if the format is not the same as the system default,
1323
# an upgrade is needed.
1325
format = BzrDirFormat.get_default_format()
1326
return not isinstance(self._format, format.__class__)
1328
def open_branch(self, unsupported=False):
1329
"""See BzrDir.open_branch."""
1330
from bzrlib.branch import BzrBranchFormat4
1331
format = BzrBranchFormat4()
1332
self._check_supported(format, unsupported)
1333
return format.open(self, _found=True)
1335
def sprout(self, url, revision_id=None, force_new_repo=False,
1336
possible_transports=None, accelerator_tree=None,
1337
hardlink=False, stacked=False):
1338
"""See BzrDir.sprout()."""
1340
raise errors.UnstackableBranchFormat(
1341
self._format, self.root_transport.base)
1342
from bzrlib.workingtree import WorkingTreeFormat2
1343
self._make_tail(url)
1344
result = self._format._initialize_for_clone(url)
1346
self.open_repository().clone(result, revision_id=revision_id)
1347
except errors.NoRepositoryPresent:
1350
self.open_branch().sprout(result, revision_id=revision_id)
1351
except errors.NotBranchError:
1353
# we always want a working tree
1354
WorkingTreeFormat2().initialize(result,
1355
accelerator_tree=accelerator_tree,
1360
class BzrDir4(BzrDirPreSplitOut):
1361
"""A .bzr version 4 control object.
1363
This is a deprecated format and may be removed after sept 2006.
1366
def create_repository(self, shared=False):
1367
"""See BzrDir.create_repository."""
1368
return self._format.repository_format.initialize(self, shared)
1370
def needs_format_conversion(self, format=None):
1371
"""Format 4 dirs are always in need of conversion."""
1374
def open_repository(self):
1375
"""See BzrDir.open_repository."""
1376
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1377
return RepositoryFormat4().open(self, _found=True)
1380
class BzrDir5(BzrDirPreSplitOut):
1381
"""A .bzr version 5 control object.
1383
This is a deprecated format and may be removed after sept 2006.
1386
def open_repository(self):
1387
"""See BzrDir.open_repository."""
1388
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1389
return RepositoryFormat5().open(self, _found=True)
1391
def open_workingtree(self, _unsupported=False,
1392
recommend_upgrade=True):
1393
"""See BzrDir.create_workingtree."""
1394
from bzrlib.workingtree import WorkingTreeFormat2
1395
wt_format = WorkingTreeFormat2()
1396
# we don't warn here about upgrades; that ought to be handled for the
1398
return wt_format.open(self, _found=True)
1401
class BzrDir6(BzrDirPreSplitOut):
1402
"""A .bzr version 6 control object.
1404
This is a deprecated format and may be removed after sept 2006.
1407
def open_repository(self):
1408
"""See BzrDir.open_repository."""
1409
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1410
return RepositoryFormat6().open(self, _found=True)
1412
def open_workingtree(self, _unsupported=False,
1413
recommend_upgrade=True):
1414
"""See BzrDir.create_workingtree."""
1415
# we don't warn here about upgrades; that ought to be handled for the
1417
from bzrlib.workingtree import WorkingTreeFormat2
1418
return WorkingTreeFormat2().open(self, _found=True)
1421
class BzrDirMeta1(BzrDir):
1422
"""A .bzr meta version 1 control object.
1424
This is the first control object where the
1425
individual aspects are really split out: there are separate repository,
1426
workingtree and branch subdirectories and any subset of the three can be
1427
present within a BzrDir.
1430
def can_convert_format(self):
1431
"""See BzrDir.can_convert_format()."""
1434
def create_branch(self):
1435
"""See BzrDir.create_branch."""
1436
return self._format.get_branch_format().initialize(self)
1438
def destroy_branch(self):
1439
"""See BzrDir.create_branch."""
1440
self.transport.delete_tree('branch')
1442
def create_repository(self, shared=False):
1443
"""See BzrDir.create_repository."""
1444
return self._format.repository_format.initialize(self, shared)
1446
def destroy_repository(self):
1447
"""See BzrDir.destroy_repository."""
1448
self.transport.delete_tree('repository')
1450
def create_workingtree(self, revision_id=None, from_branch=None,
1451
accelerator_tree=None, hardlink=False):
1452
"""See BzrDir.create_workingtree."""
1453
return self._format.workingtree_format.initialize(
1454
self, revision_id, from_branch=from_branch,
1455
accelerator_tree=accelerator_tree, hardlink=hardlink)
1457
def destroy_workingtree(self):
1458
"""See BzrDir.destroy_workingtree."""
1459
wt = self.open_workingtree(recommend_upgrade=False)
1460
repository = wt.branch.repository
1461
empty = repository.revision_tree(_mod_revision.NULL_REVISION)
1462
wt.revert(old_tree=empty)
1463
self.destroy_workingtree_metadata()
1465
def destroy_workingtree_metadata(self):
1466
self.transport.delete_tree('checkout')
1468
def find_branch_format(self):
1469
"""Find the branch 'format' for this bzrdir.
1471
This might be a synthetic object for e.g. RemoteBranch and SVN.
1473
from bzrlib.branch import BranchFormat
1474
return BranchFormat.find_format(self)
1476
def _get_mkdir_mode(self):
1477
"""Figure out the mode to use when creating a bzrdir subdir."""
1478
temp_control = lockable_files.LockableFiles(self.transport, '',
1479
lockable_files.TransportLock)
1480
return temp_control._dir_mode
1482
def get_branch_reference(self):
1483
"""See BzrDir.get_branch_reference()."""
1484
from bzrlib.branch import BranchFormat
1485
format = BranchFormat.find_format(self)
1486
return format.get_reference(self)
1488
def get_branch_transport(self, branch_format):
1489
"""See BzrDir.get_branch_transport()."""
1490
if branch_format is None:
1491
return self.transport.clone('branch')
1493
branch_format.get_format_string()
1494
except NotImplementedError:
1495
raise errors.IncompatibleFormat(branch_format, self._format)
1497
self.transport.mkdir('branch', mode=self._get_mkdir_mode())
1498
except errors.FileExists:
1500
return self.transport.clone('branch')
1502
def get_repository_transport(self, repository_format):
1503
"""See BzrDir.get_repository_transport()."""
1504
if repository_format is None:
1505
return self.transport.clone('repository')
1507
repository_format.get_format_string()
1508
except NotImplementedError:
1509
raise errors.IncompatibleFormat(repository_format, self._format)
1511
self.transport.mkdir('repository', mode=self._get_mkdir_mode())
1512
except errors.FileExists:
1514
return self.transport.clone('repository')
1516
def get_workingtree_transport(self, workingtree_format):
1517
"""See BzrDir.get_workingtree_transport()."""
1518
if workingtree_format is None:
1519
return self.transport.clone('checkout')
1521
workingtree_format.get_format_string()
1522
except NotImplementedError:
1523
raise errors.IncompatibleFormat(workingtree_format, self._format)
1525
self.transport.mkdir('checkout', mode=self._get_mkdir_mode())
1526
except errors.FileExists:
1528
return self.transport.clone('checkout')
1530
def needs_format_conversion(self, format=None):
1531
"""See BzrDir.needs_format_conversion()."""
1533
format = BzrDirFormat.get_default_format()
1534
if not isinstance(self._format, format.__class__):
1535
# it is not a meta dir format, conversion is needed.
1537
# we might want to push this down to the repository?
1539
if not isinstance(self.open_repository()._format,
1540
format.repository_format.__class__):
1541
# the repository needs an upgrade.
1543
except errors.NoRepositoryPresent:
1546
if not isinstance(self.open_branch()._format,
1547
format.get_branch_format().__class__):
1548
# the branch needs an upgrade.
1550
except errors.NotBranchError:
1553
my_wt = self.open_workingtree(recommend_upgrade=False)
1554
if not isinstance(my_wt._format,
1555
format.workingtree_format.__class__):
1556
# the workingtree needs an upgrade.
1558
except (errors.NoWorkingTree, errors.NotLocalUrl):
1562
def open_branch(self, unsupported=False):
1563
"""See BzrDir.open_branch."""
1564
format = self.find_branch_format()
1565
self._check_supported(format, unsupported)
1566
return format.open(self, _found=True)
1568
def open_repository(self, unsupported=False):
1569
"""See BzrDir.open_repository."""
1570
from bzrlib.repository import RepositoryFormat
1571
format = RepositoryFormat.find_format(self)
1572
self._check_supported(format, unsupported)
1573
return format.open(self, _found=True)
1575
def open_workingtree(self, unsupported=False,
1576
recommend_upgrade=True):
1577
"""See BzrDir.open_workingtree."""
1578
from bzrlib.workingtree import WorkingTreeFormat
1579
format = WorkingTreeFormat.find_format(self)
1580
self._check_supported(format, unsupported,
1582
basedir=self.root_transport.base)
1583
return format.open(self, _found=True)
1585
def _get_config(self):
1586
return config.BzrDirConfig(self.transport)
1589
class BzrDirFormat(object):
1590
"""An encapsulation of the initialization and open routines for a format.
1592
Formats provide three things:
1593
* An initialization routine,
1597
Formats are placed in a dict by their format string for reference
1598
during bzrdir opening. These should be subclasses of BzrDirFormat
1601
Once a format is deprecated, just deprecate the initialize and open
1602
methods on the format class. Do not deprecate the object, as the
1603
object will be created every system load.
1606
_default_format = None
1607
"""The default format used for new .bzr dirs."""
1610
"""The known formats."""
1612
_control_formats = []
1613
"""The registered control formats - .bzr, ....
1615
This is a list of BzrDirFormat objects.
1618
_control_server_formats = []
1619
"""The registered control server formats, e.g. RemoteBzrDirs.
1621
This is a list of BzrDirFormat objects.
1624
_lock_file_name = 'branch-lock'
1626
# _lock_class must be set in subclasses to the lock type, typ.
1627
# TransportLock or LockDir
1630
def find_format(klass, transport, _server_formats=True):
1631
"""Return the format present at transport."""
1633
formats = klass._control_server_formats + klass._control_formats
1635
formats = klass._control_formats
1636
for format in formats:
1638
return format.probe_transport(transport)
1639
except errors.NotBranchError:
1640
# this format does not find a control dir here.
1642
raise errors.NotBranchError(path=transport.base)
1645
def probe_transport(klass, transport):
1646
"""Return the .bzrdir style format present in a directory."""
1648
format_string = transport.get(".bzr/branch-format").read()
1649
except errors.NoSuchFile:
1650
raise errors.NotBranchError(path=transport.base)
1653
return klass._formats[format_string]
1655
raise errors.UnknownFormatError(format=format_string, kind='bzrdir')
1658
def get_default_format(klass):
1659
"""Return the current default format."""
1660
return klass._default_format
1662
def get_format_string(self):
1663
"""Return the ASCII format string that identifies this format."""
1664
raise NotImplementedError(self.get_format_string)
1666
def get_format_description(self):
1667
"""Return the short description for this format."""
1668
raise NotImplementedError(self.get_format_description)
1670
def get_converter(self, format=None):
1671
"""Return the converter to use to convert bzrdirs needing converts.
1673
This returns a bzrlib.bzrdir.Converter object.
1675
This should return the best upgrader to step this format towards the
1676
current default format. In the case of plugins we can/should provide
1677
some means for them to extend the range of returnable converters.
1679
:param format: Optional format to override the default format of the
1682
raise NotImplementedError(self.get_converter)
1684
def initialize(self, url, possible_transports=None):
1685
"""Create a bzr control dir at this url and return an opened copy.
1687
Subclasses should typically override initialize_on_transport
1688
instead of this method.
1690
return self.initialize_on_transport(get_transport(url,
1691
possible_transports))
1693
def initialize_on_transport(self, transport):
1694
"""Initialize a new bzrdir in the base directory of a Transport."""
1695
# Since we don't have a .bzr directory, inherit the
1696
# mode from the root directory
1697
temp_control = lockable_files.LockableFiles(transport,
1698
'', lockable_files.TransportLock)
1699
temp_control._transport.mkdir('.bzr',
1700
# FIXME: RBC 20060121 don't peek under
1702
mode=temp_control._dir_mode)
1703
if sys.platform == 'win32' and isinstance(transport, local.LocalTransport):
1704
win32utils.set_file_attr_hidden(transport._abspath('.bzr'))
1705
file_mode = temp_control._file_mode
1707
bzrdir_transport = transport.clone('.bzr')
1708
utf8_files = [('README',
1709
"This is a Bazaar control directory.\n"
1710
"Do not change any files in this directory.\n"
1711
"See http://bazaar-vcs.org/ for more information about Bazaar.\n"),
1712
('branch-format', self.get_format_string()),
1714
# NB: no need to escape relative paths that are url safe.
1715
control_files = lockable_files.LockableFiles(bzrdir_transport,
1716
self._lock_file_name, self._lock_class)
1717
control_files.create_lock()
1718
control_files.lock_write()
1720
for (filename, content) in utf8_files:
1721
bzrdir_transport.put_bytes(filename, content,
1724
control_files.unlock()
1725
return self.open(transport, _found=True)
1727
def is_supported(self):
1728
"""Is this format supported?
1730
Supported formats must be initializable and openable.
1731
Unsupported formats may not support initialization or committing or
1732
some other features depending on the reason for not being supported.
1736
def same_model(self, target_format):
1737
return (self.repository_format.rich_root_data ==
1738
target_format.rich_root_data)
1741
def known_formats(klass):
1742
"""Return all the known formats.
1744
Concrete formats should override _known_formats.
1746
# There is double indirection here to make sure that control
1747
# formats used by more than one dir format will only be probed
1748
# once. This can otherwise be quite expensive for remote connections.
1750
for format in klass._control_formats:
1751
result.update(format._known_formats())
1755
def _known_formats(klass):
1756
"""Return the known format instances for this control format."""
1757
return set(klass._formats.values())
1759
def open(self, transport, _found=False):
1760
"""Return an instance of this format for the dir transport points at.
1762
_found is a private parameter, do not use it.
1765
found_format = BzrDirFormat.find_format(transport)
1766
if not isinstance(found_format, self.__class__):
1767
raise AssertionError("%s was asked to open %s, but it seems to need "
1769
% (self, transport, found_format))
1770
return self._open(transport)
1772
def _open(self, transport):
1773
"""Template method helper for opening BzrDirectories.
1775
This performs the actual open and any additional logic or parameter
1778
raise NotImplementedError(self._open)
1781
def register_format(klass, format):
1782
klass._formats[format.get_format_string()] = format
1785
def register_control_format(klass, format):
1786
"""Register a format that does not use '.bzr' for its control dir.
1788
TODO: This should be pulled up into a 'ControlDirFormat' base class
1789
which BzrDirFormat can inherit from, and renamed to register_format
1790
there. It has been done without that for now for simplicity of
1793
klass._control_formats.append(format)
1796
def register_control_server_format(klass, format):
1797
"""Register a control format for client-server environments.
1799
These formats will be tried before ones registered with
1800
register_control_format. This gives implementations that decide to the
1801
chance to grab it before anything looks at the contents of the format
1804
klass._control_server_formats.append(format)
1807
def _set_default_format(klass, format):
1808
"""Set default format (for testing behavior of defaults only)"""
1809
klass._default_format = format
1813
return self.get_format_string().rstrip()
1816
def unregister_format(klass, format):
1817
del klass._formats[format.get_format_string()]
1820
def unregister_control_format(klass, format):
1821
klass._control_formats.remove(format)
1824
class BzrDirFormat4(BzrDirFormat):
1825
"""Bzr dir format 4.
1827
This format is a combined format for working tree, branch and repository.
1829
- Format 1 working trees [always]
1830
- Format 4 branches [always]
1831
- Format 4 repositories [always]
1833
This format is deprecated: it indexes texts using a text it which is
1834
removed in format 5; write support for this format has been removed.
1837
_lock_class = lockable_files.TransportLock
1839
def get_format_string(self):
1840
"""See BzrDirFormat.get_format_string()."""
1841
return "Bazaar-NG branch, format 0.0.4\n"
1843
def get_format_description(self):
1844
"""See BzrDirFormat.get_format_description()."""
1845
return "All-in-one format 4"
1847
def get_converter(self, format=None):
1848
"""See BzrDirFormat.get_converter()."""
1849
# there is one and only one upgrade path here.
1850
return ConvertBzrDir4To5()
1852
def initialize_on_transport(self, transport):
1853
"""Format 4 branches cannot be created."""
1854
raise errors.UninitializableFormat(self)
1856
def is_supported(self):
1857
"""Format 4 is not supported.
1859
It is not supported because the model changed from 4 to 5 and the
1860
conversion logic is expensive - so doing it on the fly was not
1865
def _open(self, transport):
1866
"""See BzrDirFormat._open."""
1867
return BzrDir4(transport, self)
1869
def __return_repository_format(self):
1870
"""Circular import protection."""
1871
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1872
return RepositoryFormat4()
1873
repository_format = property(__return_repository_format)
1876
class BzrDirFormat5(BzrDirFormat):
1877
"""Bzr control format 5.
1879
This format is a combined format for working tree, branch and repository.
1881
- Format 2 working trees [always]
1882
- Format 4 branches [always]
1883
- Format 5 repositories [always]
1884
Unhashed stores in the repository.
1887
_lock_class = lockable_files.TransportLock
1889
def get_format_string(self):
1890
"""See BzrDirFormat.get_format_string()."""
1891
return "Bazaar-NG branch, format 5\n"
1893
def get_branch_format(self):
1894
from bzrlib import branch
1895
return branch.BzrBranchFormat4()
1897
def get_format_description(self):
1898
"""See BzrDirFormat.get_format_description()."""
1899
return "All-in-one format 5"
1901
def get_converter(self, format=None):
1902
"""See BzrDirFormat.get_converter()."""
1903
# there is one and only one upgrade path here.
1904
return ConvertBzrDir5To6()
1906
def _initialize_for_clone(self, url):
1907
return self.initialize_on_transport(get_transport(url), _cloning=True)
1909
def initialize_on_transport(self, transport, _cloning=False):
1910
"""Format 5 dirs always have working tree, branch and repository.
1912
Except when they are being cloned.
1914
from bzrlib.branch import BzrBranchFormat4
1915
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1916
result = (super(BzrDirFormat5, self).initialize_on_transport(transport))
1917
RepositoryFormat5().initialize(result, _internal=True)
1919
branch = BzrBranchFormat4().initialize(result)
1920
result._init_workingtree()
1923
def _open(self, transport):
1924
"""See BzrDirFormat._open."""
1925
return BzrDir5(transport, self)
1927
def __return_repository_format(self):
1928
"""Circular import protection."""
1929
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1930
return RepositoryFormat5()
1931
repository_format = property(__return_repository_format)
1934
class BzrDirFormat6(BzrDirFormat):
1935
"""Bzr control format 6.
1937
This format is a combined format for working tree, branch and repository.
1939
- Format 2 working trees [always]
1940
- Format 4 branches [always]
1941
- Format 6 repositories [always]
1944
_lock_class = lockable_files.TransportLock
1946
def get_format_string(self):
1947
"""See BzrDirFormat.get_format_string()."""
1948
return "Bazaar-NG branch, format 6\n"
1950
def get_format_description(self):
1951
"""See BzrDirFormat.get_format_description()."""
1952
return "All-in-one format 6"
1954
def get_branch_format(self):
1955
from bzrlib import branch
1956
return branch.BzrBranchFormat4()
1958
def get_converter(self, format=None):
1959
"""See BzrDirFormat.get_converter()."""
1960
# there is one and only one upgrade path here.
1961
return ConvertBzrDir6ToMeta()
1963
def _initialize_for_clone(self, url):
1964
return self.initialize_on_transport(get_transport(url), _cloning=True)
1966
def initialize_on_transport(self, transport, _cloning=False):
1967
"""Format 6 dirs always have working tree, branch and repository.
1969
Except when they are being cloned.
1971
from bzrlib.branch import BzrBranchFormat4
1972
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1973
result = super(BzrDirFormat6, self).initialize_on_transport(transport)
1974
RepositoryFormat6().initialize(result, _internal=True)
1976
branch = BzrBranchFormat4().initialize(result)
1977
result._init_workingtree()
1980
def _open(self, transport):
1981
"""See BzrDirFormat._open."""
1982
return BzrDir6(transport, self)
1984
def __return_repository_format(self):
1985
"""Circular import protection."""
1986
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1987
return RepositoryFormat6()
1988
repository_format = property(__return_repository_format)
1991
class BzrDirMetaFormat1(BzrDirFormat):
1992
"""Bzr meta control format 1
1994
This is the first format with split out working tree, branch and repository
1997
- Format 3 working trees [optional]
1998
- Format 5 branches [optional]
1999
- Format 7 repositories [optional]
2002
_lock_class = lockdir.LockDir
2005
self._workingtree_format = None
2006
self._branch_format = None
2008
def __eq__(self, other):
2009
if other.__class__ is not self.__class__:
2011
if other.repository_format != self.repository_format:
2013
if other.workingtree_format != self.workingtree_format:
2017
def __ne__(self, other):
2018
return not self == other
2020
def get_branch_format(self):
2021
if self._branch_format is None:
2022
from bzrlib.branch import BranchFormat
2023
self._branch_format = BranchFormat.get_default_format()
2024
return self._branch_format
2026
def set_branch_format(self, format):
2027
self._branch_format = format
2029
def get_converter(self, format=None):
2030
"""See BzrDirFormat.get_converter()."""
2032
format = BzrDirFormat.get_default_format()
2033
if not isinstance(self, format.__class__):
2034
# converting away from metadir is not implemented
2035
raise NotImplementedError(self.get_converter)
2036
return ConvertMetaToMeta(format)
2038
def get_format_string(self):
2039
"""See BzrDirFormat.get_format_string()."""
2040
return "Bazaar-NG meta directory, format 1\n"
2042
def get_format_description(self):
2043
"""See BzrDirFormat.get_format_description()."""
2044
return "Meta directory format 1"
2046
def _open(self, transport):
2047
"""See BzrDirFormat._open."""
2048
return BzrDirMeta1(transport, self)
2050
def __return_repository_format(self):
2051
"""Circular import protection."""
2052
if getattr(self, '_repository_format', None):
2053
return self._repository_format
2054
from bzrlib.repository import RepositoryFormat
2055
return RepositoryFormat.get_default_format()
2057
def __set_repository_format(self, value):
2058
"""Allow changing the repository format for metadir formats."""
2059
self._repository_format = value
2061
repository_format = property(__return_repository_format, __set_repository_format)
2063
def __get_workingtree_format(self):
2064
if self._workingtree_format is None:
2065
from bzrlib.workingtree import WorkingTreeFormat
2066
self._workingtree_format = WorkingTreeFormat.get_default_format()
2067
return self._workingtree_format
2069
def __set_workingtree_format(self, wt_format):
2070
self._workingtree_format = wt_format
2072
workingtree_format = property(__get_workingtree_format,
2073
__set_workingtree_format)
2076
# Register bzr control format
2077
BzrDirFormat.register_control_format(BzrDirFormat)
2079
# Register bzr formats
2080
BzrDirFormat.register_format(BzrDirFormat4())
2081
BzrDirFormat.register_format(BzrDirFormat5())
2082
BzrDirFormat.register_format(BzrDirFormat6())
2083
__default_format = BzrDirMetaFormat1()
2084
BzrDirFormat.register_format(__default_format)
2085
BzrDirFormat._default_format = __default_format
2088
class Converter(object):
2089
"""Converts a disk format object from one format to another."""
2091
def convert(self, to_convert, pb):
2092
"""Perform the conversion of to_convert, giving feedback via pb.
2094
:param to_convert: The disk object to convert.
2095
:param pb: a progress bar to use for progress information.
2098
def step(self, message):
2099
"""Update the pb by a step."""
2101
self.pb.update(message, self.count, self.total)
2104
class ConvertBzrDir4To5(Converter):
2105
"""Converts format 4 bzr dirs to format 5."""
2108
super(ConvertBzrDir4To5, self).__init__()
2109
self.converted_revs = set()
2110
self.absent_revisions = set()
2114
def convert(self, to_convert, pb):
2115
"""See Converter.convert()."""
2116
self.bzrdir = to_convert
2118
self.pb.note('starting upgrade from format 4 to 5')
2119
if isinstance(self.bzrdir.transport, local.LocalTransport):
2120
self.bzrdir.get_workingtree_transport(None).delete('stat-cache')
2121
self._convert_to_weaves()
2122
return BzrDir.open(self.bzrdir.root_transport.base)
2124
def _convert_to_weaves(self):
2125
self.pb.note('note: upgrade may be faster if all store files are ungzipped first')
2128
stat = self.bzrdir.transport.stat('weaves')
2129
if not S_ISDIR(stat.st_mode):
2130
self.bzrdir.transport.delete('weaves')
2131
self.bzrdir.transport.mkdir('weaves')
2132
except errors.NoSuchFile:
2133
self.bzrdir.transport.mkdir('weaves')
2134
# deliberately not a WeaveFile as we want to build it up slowly.
2135
self.inv_weave = Weave('inventory')
2136
# holds in-memory weaves for all files
2137
self.text_weaves = {}
2138
self.bzrdir.transport.delete('branch-format')
2139
self.branch = self.bzrdir.open_branch()
2140
self._convert_working_inv()
2141
rev_history = self.branch.revision_history()
2142
# to_read is a stack holding the revisions we still need to process;
2143
# appending to it adds new highest-priority revisions
2144
self.known_revisions = set(rev_history)
2145
self.to_read = rev_history[-1:]
2147
rev_id = self.to_read.pop()
2148
if (rev_id not in self.revisions
2149
and rev_id not in self.absent_revisions):
2150
self._load_one_rev(rev_id)
2152
to_import = self._make_order()
2153
for i, rev_id in enumerate(to_import):
2154
self.pb.update('converting revision', i, len(to_import))
2155
self._convert_one_rev(rev_id)
2157
self._write_all_weaves()
2158
self._write_all_revs()
2159
self.pb.note('upgraded to weaves:')
2160
self.pb.note(' %6d revisions and inventories', len(self.revisions))
2161
self.pb.note(' %6d revisions not present', len(self.absent_revisions))
2162
self.pb.note(' %6d texts', self.text_count)
2163
self._cleanup_spare_files_after_format4()
2164
self.branch._transport.put_bytes(
2166
BzrDirFormat5().get_format_string(),
2167
mode=self.bzrdir._get_file_mode())
2169
def _cleanup_spare_files_after_format4(self):
2170
# FIXME working tree upgrade foo.
2171
for n in 'merged-patches', 'pending-merged-patches':
2173
## assert os.path.getsize(p) == 0
2174
self.bzrdir.transport.delete(n)
2175
except errors.NoSuchFile:
2177
self.bzrdir.transport.delete_tree('inventory-store')
2178
self.bzrdir.transport.delete_tree('text-store')
2180
def _convert_working_inv(self):
2181
inv = xml4.serializer_v4.read_inventory(
2182
self.branch._transport.get('inventory'))
2183
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv, working=True)
2184
self.branch._transport.put_bytes('inventory', new_inv_xml,
2185
mode=self.bzrdir._get_file_mode())
2187
def _write_all_weaves(self):
2188
controlweaves = WeaveStore(self.bzrdir.transport, prefixed=False)
2189
weave_transport = self.bzrdir.transport.clone('weaves')
2190
weaves = WeaveStore(weave_transport, prefixed=False)
2191
transaction = WriteTransaction()
2195
for file_id, file_weave in self.text_weaves.items():
2196
self.pb.update('writing weave', i, len(self.text_weaves))
2197
weaves._put_weave(file_id, file_weave, transaction)
2199
self.pb.update('inventory', 0, 1)
2200
controlweaves._put_weave('inventory', self.inv_weave, transaction)
2201
self.pb.update('inventory', 1, 1)
2205
def _write_all_revs(self):
2206
"""Write all revisions out in new form."""
2207
self.bzrdir.transport.delete_tree('revision-store')
2208
self.bzrdir.transport.mkdir('revision-store')
2209
revision_transport = self.bzrdir.transport.clone('revision-store')
2211
from bzrlib.xml5 import serializer_v5
2212
from bzrlib.repofmt.weaverepo import RevisionTextStore
2213
revision_store = RevisionTextStore(revision_transport,
2214
serializer_v5, False, versionedfile.PrefixMapper(),
2215
lambda:True, lambda:True)
2217
for i, rev_id in enumerate(self.converted_revs):
2218
self.pb.update('write revision', i, len(self.converted_revs))
2219
text = serializer_v5.write_revision_to_string(
2220
self.revisions[rev_id])
2222
revision_store.add_lines(key, None, osutils.split_lines(text))
2226
def _load_one_rev(self, rev_id):
2227
"""Load a revision object into memory.
2229
Any parents not either loaded or abandoned get queued to be
2231
self.pb.update('loading revision',
2232
len(self.revisions),
2233
len(self.known_revisions))
2234
if not self.branch.repository.has_revision(rev_id):
2236
self.pb.note('revision {%s} not present in branch; '
2237
'will be converted as a ghost',
2239
self.absent_revisions.add(rev_id)
2241
rev = self.branch.repository.get_revision(rev_id)
2242
for parent_id in rev.parent_ids:
2243
self.known_revisions.add(parent_id)
2244
self.to_read.append(parent_id)
2245
self.revisions[rev_id] = rev
2247
def _load_old_inventory(self, rev_id):
2248
old_inv_xml = self.branch.repository.inventory_store.get(rev_id).read()
2249
inv = xml4.serializer_v4.read_inventory_from_string(old_inv_xml)
2250
inv.revision_id = rev_id
2251
rev = self.revisions[rev_id]
2254
def _load_updated_inventory(self, rev_id):
2255
inv_xml = self.inv_weave.get_text(rev_id)
2256
inv = xml5.serializer_v5.read_inventory_from_string(inv_xml, rev_id)
2259
def _convert_one_rev(self, rev_id):
2260
"""Convert revision and all referenced objects to new format."""
2261
rev = self.revisions[rev_id]
2262
inv = self._load_old_inventory(rev_id)
2263
present_parents = [p for p in rev.parent_ids
2264
if p not in self.absent_revisions]
2265
self._convert_revision_contents(rev, inv, present_parents)
2266
self._store_new_inv(rev, inv, present_parents)
2267
self.converted_revs.add(rev_id)
2269
def _store_new_inv(self, rev, inv, present_parents):
2270
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
2271
new_inv_sha1 = sha_string(new_inv_xml)
2272
self.inv_weave.add_lines(rev.revision_id,
2274
new_inv_xml.splitlines(True))
2275
rev.inventory_sha1 = new_inv_sha1
2277
def _convert_revision_contents(self, rev, inv, present_parents):
2278
"""Convert all the files within a revision.
2280
Also upgrade the inventory to refer to the text revision ids."""
2281
rev_id = rev.revision_id
2282
mutter('converting texts of revision {%s}',
2284
parent_invs = map(self._load_updated_inventory, present_parents)
2285
entries = inv.iter_entries()
2287
for path, ie in entries:
2288
self._convert_file_version(rev, ie, parent_invs)
2290
def _convert_file_version(self, rev, ie, parent_invs):
2291
"""Convert one version of one file.
2293
The file needs to be added into the weave if it is a merge
2294
of >=2 parents or if it's changed from its parent.
2296
file_id = ie.file_id
2297
rev_id = rev.revision_id
2298
w = self.text_weaves.get(file_id)
2301
self.text_weaves[file_id] = w
2302
text_changed = False
2303
parent_candiate_entries = ie.parent_candidates(parent_invs)
2304
heads = graph.Graph(self).heads(parent_candiate_entries.keys())
2305
# XXX: Note that this is unordered - and this is tolerable because
2306
# the previous code was also unordered.
2307
previous_entries = dict((head, parent_candiate_entries[head]) for head
2309
self.snapshot_ie(previous_entries, ie, w, rev_id)
2312
@symbol_versioning.deprecated_method(symbol_versioning.one_one)
2313
def get_parents(self, revision_ids):
2314
for revision_id in revision_ids:
2315
yield self.revisions[revision_id].parent_ids
2317
def get_parent_map(self, revision_ids):
2318
"""See graph._StackedParentsProvider.get_parent_map"""
2319
return dict((revision_id, self.revisions[revision_id])
2320
for revision_id in revision_ids
2321
if revision_id in self.revisions)
2323
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
2324
# TODO: convert this logic, which is ~= snapshot to
2325
# a call to:. This needs the path figured out. rather than a work_tree
2326
# a v4 revision_tree can be given, or something that looks enough like
2327
# one to give the file content to the entry if it needs it.
2328
# and we need something that looks like a weave store for snapshot to
2330
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
2331
if len(previous_revisions) == 1:
2332
previous_ie = previous_revisions.values()[0]
2333
if ie._unchanged(previous_ie):
2334
ie.revision = previous_ie.revision
2337
text = self.branch.repository._text_store.get(ie.text_id)
2338
file_lines = text.readlines()
2339
w.add_lines(rev_id, previous_revisions, file_lines)
2340
self.text_count += 1
2342
w.add_lines(rev_id, previous_revisions, [])
2343
ie.revision = rev_id
2345
def _make_order(self):
2346
"""Return a suitable order for importing revisions.
2348
The order must be such that an revision is imported after all
2349
its (present) parents.
2351
todo = set(self.revisions.keys())
2352
done = self.absent_revisions.copy()
2355
# scan through looking for a revision whose parents
2357
for rev_id in sorted(list(todo)):
2358
rev = self.revisions[rev_id]
2359
parent_ids = set(rev.parent_ids)
2360
if parent_ids.issubset(done):
2361
# can take this one now
2362
order.append(rev_id)
2368
class ConvertBzrDir5To6(Converter):
2369
"""Converts format 5 bzr dirs to format 6."""
2371
def convert(self, to_convert, pb):
2372
"""See Converter.convert()."""
2373
self.bzrdir = to_convert
2375
self.pb.note('starting upgrade from format 5 to 6')
2376
self._convert_to_prefixed()
2377
return BzrDir.open(self.bzrdir.root_transport.base)
2379
def _convert_to_prefixed(self):
2380
from bzrlib.store import TransportStore
2381
self.bzrdir.transport.delete('branch-format')
2382
for store_name in ["weaves", "revision-store"]:
2383
self.pb.note("adding prefixes to %s" % store_name)
2384
store_transport = self.bzrdir.transport.clone(store_name)
2385
store = TransportStore(store_transport, prefixed=True)
2386
for urlfilename in store_transport.list_dir('.'):
2387
filename = urlutils.unescape(urlfilename)
2388
if (filename.endswith(".weave") or
2389
filename.endswith(".gz") or
2390
filename.endswith(".sig")):
2391
file_id, suffix = os.path.splitext(filename)
2395
new_name = store._mapper.map((file_id,)) + suffix
2396
# FIXME keep track of the dirs made RBC 20060121
2398
store_transport.move(filename, new_name)
2399
except errors.NoSuchFile: # catches missing dirs strangely enough
2400
store_transport.mkdir(osutils.dirname(new_name))
2401
store_transport.move(filename, new_name)
2402
self.bzrdir.transport.put_bytes(
2404
BzrDirFormat6().get_format_string(),
2405
mode=self.bzrdir._get_file_mode())
2408
class ConvertBzrDir6ToMeta(Converter):
2409
"""Converts format 6 bzr dirs to metadirs."""
2411
def convert(self, to_convert, pb):
2412
"""See Converter.convert()."""
2413
from bzrlib.repofmt.weaverepo import RepositoryFormat7
2414
from bzrlib.branch import BzrBranchFormat5
2415
self.bzrdir = to_convert
2418
self.total = 20 # the steps we know about
2419
self.garbage_inventories = []
2420
self.dir_mode = self.bzrdir._get_dir_mode()
2421
self.file_mode = self.bzrdir._get_file_mode()
2423
self.pb.note('starting upgrade from format 6 to metadir')
2424
self.bzrdir.transport.put_bytes(
2426
"Converting to format 6",
2427
mode=self.file_mode)
2428
# its faster to move specific files around than to open and use the apis...
2429
# first off, nuke ancestry.weave, it was never used.
2431
self.step('Removing ancestry.weave')
2432
self.bzrdir.transport.delete('ancestry.weave')
2433
except errors.NoSuchFile:
2435
# find out whats there
2436
self.step('Finding branch files')
2437
last_revision = self.bzrdir.open_branch().last_revision()
2438
bzrcontents = self.bzrdir.transport.list_dir('.')
2439
for name in bzrcontents:
2440
if name.startswith('basis-inventory.'):
2441
self.garbage_inventories.append(name)
2442
# create new directories for repository, working tree and branch
2443
repository_names = [('inventory.weave', True),
2444
('revision-store', True),
2446
self.step('Upgrading repository ')
2447
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
2448
self.make_lock('repository')
2449
# we hard code the formats here because we are converting into
2450
# the meta format. The meta format upgrader can take this to a
2451
# future format within each component.
2452
self.put_format('repository', RepositoryFormat7())
2453
for entry in repository_names:
2454
self.move_entry('repository', entry)
2456
self.step('Upgrading branch ')
2457
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
2458
self.make_lock('branch')
2459
self.put_format('branch', BzrBranchFormat5())
2460
branch_files = [('revision-history', True),
2461
('branch-name', True),
2463
for entry in branch_files:
2464
self.move_entry('branch', entry)
2466
checkout_files = [('pending-merges', True),
2467
('inventory', True),
2468
('stat-cache', False)]
2469
# If a mandatory checkout file is not present, the branch does not have
2470
# a functional checkout. Do not create a checkout in the converted
2472
for name, mandatory in checkout_files:
2473
if mandatory and name not in bzrcontents:
2474
has_checkout = False
2478
if not has_checkout:
2479
self.pb.note('No working tree.')
2480
# If some checkout files are there, we may as well get rid of them.
2481
for name, mandatory in checkout_files:
2482
if name in bzrcontents:
2483
self.bzrdir.transport.delete(name)
2485
from bzrlib.workingtree import WorkingTreeFormat3
2486
self.step('Upgrading working tree')
2487
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
2488
self.make_lock('checkout')
2490
'checkout', WorkingTreeFormat3())
2491
self.bzrdir.transport.delete_multi(
2492
self.garbage_inventories, self.pb)
2493
for entry in checkout_files:
2494
self.move_entry('checkout', entry)
2495
if last_revision is not None:
2496
self.bzrdir.transport.put_bytes(
2497
'checkout/last-revision', last_revision)
2498
self.bzrdir.transport.put_bytes(
2500
BzrDirMetaFormat1().get_format_string(),
2501
mode=self.file_mode)
2502
return BzrDir.open(self.bzrdir.root_transport.base)
2504
def make_lock(self, name):
2505
"""Make a lock for the new control dir name."""
2506
self.step('Make %s lock' % name)
2507
ld = lockdir.LockDir(self.bzrdir.transport,
2509
file_modebits=self.file_mode,
2510
dir_modebits=self.dir_mode)
2513
def move_entry(self, new_dir, entry):
2514
"""Move then entry name into new_dir."""
2516
mandatory = entry[1]
2517
self.step('Moving %s' % name)
2519
self.bzrdir.transport.move(name, '%s/%s' % (new_dir, name))
2520
except errors.NoSuchFile:
2524
def put_format(self, dirname, format):
2525
self.bzrdir.transport.put_bytes('%s/format' % dirname,
2526
format.get_format_string(),
2530
class ConvertMetaToMeta(Converter):
2531
"""Converts the components of metadirs."""
2533
def __init__(self, target_format):
2534
"""Create a metadir to metadir converter.
2536
:param target_format: The final metadir format that is desired.
2538
self.target_format = target_format
2540
def convert(self, to_convert, pb):
2541
"""See Converter.convert()."""
2542
self.bzrdir = to_convert
2546
self.step('checking repository format')
2548
repo = self.bzrdir.open_repository()
2549
except errors.NoRepositoryPresent:
2552
if not isinstance(repo._format, self.target_format.repository_format.__class__):
2553
from bzrlib.repository import CopyConverter
2554
self.pb.note('starting repository conversion')
2555
converter = CopyConverter(self.target_format.repository_format)
2556
converter.convert(repo, pb)
2558
branch = self.bzrdir.open_branch()
2559
except errors.NotBranchError:
2562
# TODO: conversions of Branch and Tree should be done by
2563
# InterXFormat lookups/some sort of registry.
2564
# Avoid circular imports
2565
from bzrlib import branch as _mod_branch
2566
old = branch._format.__class__
2567
new = self.target_format.get_branch_format().__class__
2569
if (old == _mod_branch.BzrBranchFormat5 and
2570
new in (_mod_branch.BzrBranchFormat6,
2571
_mod_branch.BzrBranchFormat7)):
2572
branch_converter = _mod_branch.Converter5to6()
2573
elif (old == _mod_branch.BzrBranchFormat6 and
2574
new == _mod_branch.BzrBranchFormat7):
2575
branch_converter = _mod_branch.Converter6to7()
2577
raise errors.BadConversionTarget("No converter", new)
2578
branch_converter.convert(branch)
2579
branch = self.bzrdir.open_branch()
2580
old = branch._format.__class__
2582
tree = self.bzrdir.open_workingtree(recommend_upgrade=False)
2583
except (errors.NoWorkingTree, errors.NotLocalUrl):
2586
# TODO: conversions of Branch and Tree should be done by
2587
# InterXFormat lookups
2588
if (isinstance(tree, workingtree.WorkingTree3) and
2589
not isinstance(tree, workingtree_4.WorkingTree4) and
2590
isinstance(self.target_format.workingtree_format,
2591
workingtree_4.WorkingTreeFormat4)):
2592
workingtree_4.Converter3to4().convert(tree)
2596
# This is not in remote.py because it's small, and needs to be registered.
2597
# Putting it in remote.py creates a circular import problem.
2598
# we can make it a lazy object if the control formats is turned into something
2600
class RemoteBzrDirFormat(BzrDirMetaFormat1):
2601
"""Format representing bzrdirs accessed via a smart server"""
2603
def get_format_description(self):
2604
return 'bzr remote bzrdir'
2607
def probe_transport(klass, transport):
2608
"""Return a RemoteBzrDirFormat object if it looks possible."""
2610
medium = transport.get_smart_medium()
2611
except (NotImplementedError, AttributeError,
2612
errors.TransportNotPossible, errors.NoSmartMedium,
2613
errors.SmartProtocolError):
2614
# no smart server, so not a branch for this format type.
2615
raise errors.NotBranchError(path=transport.base)
2617
# Decline to open it if the server doesn't support our required
2618
# version (3) so that the VFS-based transport will do it.
2619
if medium.should_probe():
2621
server_version = medium.protocol_version()
2622
except errors.SmartProtocolError:
2623
# Apparently there's no usable smart server there, even though
2624
# the medium supports the smart protocol.
2625
raise errors.NotBranchError(path=transport.base)
2626
if server_version != '2':
2627
raise errors.NotBranchError(path=transport.base)
2630
def initialize_on_transport(self, transport):
2632
# hand off the request to the smart server
2633
client_medium = transport.get_smart_medium()
2634
except errors.NoSmartMedium:
2635
# TODO: lookup the local format from a server hint.
2636
local_dir_format = BzrDirMetaFormat1()
2637
return local_dir_format.initialize_on_transport(transport)
2638
client = _SmartClient(client_medium)
2639
path = client.remote_path_from_transport(transport)
2640
response = client.call('BzrDirFormat.initialize', path)
2641
if response[0] != 'ok':
2642
raise errors.SmartProtocolError('unexpected response code %s' % (response,))
2643
return remote.RemoteBzrDir(transport)
2645
def _open(self, transport):
2646
return remote.RemoteBzrDir(transport)
2648
def __eq__(self, other):
2649
if not isinstance(other, RemoteBzrDirFormat):
2651
return self.get_format_description() == other.get_format_description()
2654
def repository_format(self):
2655
# Using a property to avoid early loading of remote
2656
return remote.RemoteRepositoryFormat()
2659
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
2662
class BzrDirFormatInfo(object):
2664
def __init__(self, native, deprecated, hidden, experimental):
2665
self.deprecated = deprecated
2666
self.native = native
2667
self.hidden = hidden
2668
self.experimental = experimental
2671
class BzrDirFormatRegistry(registry.Registry):
2672
"""Registry of user-selectable BzrDir subformats.
2674
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
2675
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
2679
"""Create a BzrDirFormatRegistry."""
2680
self._aliases = set()
2681
super(BzrDirFormatRegistry, self).__init__()
2684
"""Return a set of the format names which are aliases."""
2685
return frozenset(self._aliases)
2687
def register_metadir(self, key,
2688
repository_format, help, native=True, deprecated=False,
2694
"""Register a metadir subformat.
2696
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2697
by the Repository format.
2699
:param repository_format: The fully-qualified repository format class
2701
:param branch_format: Fully-qualified branch format class name as
2703
:param tree_format: Fully-qualified tree format class name as
2706
# This should be expanded to support setting WorkingTree and Branch
2707
# formats, once BzrDirMetaFormat1 supports that.
2708
def _load(full_name):
2709
mod_name, factory_name = full_name.rsplit('.', 1)
2711
mod = __import__(mod_name, globals(), locals(),
2713
except ImportError, e:
2714
raise ImportError('failed to load %s: %s' % (full_name, e))
2716
factory = getattr(mod, factory_name)
2717
except AttributeError:
2718
raise AttributeError('no factory %s in module %r'
2723
bd = BzrDirMetaFormat1()
2724
if branch_format is not None:
2725
bd.set_branch_format(_load(branch_format))
2726
if tree_format is not None:
2727
bd.workingtree_format = _load(tree_format)
2728
if repository_format is not None:
2729
bd.repository_format = _load(repository_format)
2731
self.register(key, helper, help, native, deprecated, hidden,
2732
experimental, alias)
2734
def register(self, key, factory, help, native=True, deprecated=False,
2735
hidden=False, experimental=False, alias=False):
2736
"""Register a BzrDirFormat factory.
2738
The factory must be a callable that takes one parameter: the key.
2739
It must produce an instance of the BzrDirFormat when called.
2741
This function mainly exists to prevent the info object from being
2744
registry.Registry.register(self, key, factory, help,
2745
BzrDirFormatInfo(native, deprecated, hidden, experimental))
2747
self._aliases.add(key)
2749
def register_lazy(self, key, module_name, member_name, help, native=True,
2750
deprecated=False, hidden=False, experimental=False, alias=False):
2751
registry.Registry.register_lazy(self, key, module_name, member_name,
2752
help, BzrDirFormatInfo(native, deprecated, hidden, experimental))
2754
self._aliases.add(key)
2756
def set_default(self, key):
2757
"""Set the 'default' key to be a clone of the supplied key.
2759
This method must be called once and only once.
2761
registry.Registry.register(self, 'default', self.get(key),
2762
self.get_help(key), info=self.get_info(key))
2763
self._aliases.add('default')
2765
def set_default_repository(self, key):
2766
"""Set the FormatRegistry default and Repository default.
2768
This is a transitional method while Repository.set_default_format
2771
if 'default' in self:
2772
self.remove('default')
2773
self.set_default(key)
2774
format = self.get('default')()
2776
def make_bzrdir(self, key):
2777
return self.get(key)()
2779
def help_topic(self, topic):
2780
output = textwrap.dedent("""\
2781
These formats can be used for creating branches, working trees, and
2785
default_realkey = None
2786
default_help = self.get_help('default')
2788
for key in self.keys():
2789
if key == 'default':
2791
help = self.get_help(key)
2792
if help == default_help:
2793
default_realkey = key
2795
help_pairs.append((key, help))
2797
def wrapped(key, help, info):
2799
help = '(native) ' + help
2800
return ':%s:\n%s\n\n' % (key,
2801
textwrap.fill(help, initial_indent=' ',
2802
subsequent_indent=' '))
2803
if default_realkey is not None:
2804
output += wrapped(default_realkey, '(default) %s' % default_help,
2805
self.get_info('default'))
2806
deprecated_pairs = []
2807
experimental_pairs = []
2808
for key, help in help_pairs:
2809
info = self.get_info(key)
2812
elif info.deprecated:
2813
deprecated_pairs.append((key, help))
2814
elif info.experimental:
2815
experimental_pairs.append((key, help))
2817
output += wrapped(key, help, info)
2818
if len(experimental_pairs) > 0:
2819
output += "Experimental formats are shown below.\n\n"
2820
for key, help in experimental_pairs:
2821
info = self.get_info(key)
2822
output += wrapped(key, help, info)
2823
if len(deprecated_pairs) > 0:
2824
output += "Deprecated formats are shown below.\n\n"
2825
for key, help in deprecated_pairs:
2826
info = self.get_info(key)
2827
output += wrapped(key, help, info)
2832
class RepositoryAcquisitionPolicy(object):
2833
"""Abstract base class for repository acquisition policies.
2835
A repository acquisition policy decides how a BzrDir acquires a repository
2836
for a branch that is being created. The most basic policy decision is
2837
whether to create a new repository or use an existing one.
2839
def __init__(self, stack_on, stack_on_pwd, require_stacking):
2842
:param stack_on: A location to stack on
2843
:param stack_on_pwd: If stack_on is relative, the location it is
2845
:param require_stacking: If True, it is a failure to not stack.
2847
self._stack_on = stack_on
2848
self._stack_on_pwd = stack_on_pwd
2849
self._require_stacking = require_stacking
2851
def configure_branch(self, branch):
2852
"""Apply any configuration data from this policy to the branch.
2854
Default implementation sets repository stacking.
2856
if self._stack_on is None:
2858
if self._stack_on_pwd is None:
2859
stack_on = self._stack_on
2862
stack_on = urlutils.rebase_url(self._stack_on,
2864
branch.bzrdir.root_transport.base)
2865
except errors.InvalidRebaseURLs:
2866
stack_on = self._get_full_stack_on()
2868
branch.set_stacked_on_url(stack_on)
2869
except errors.UnstackableBranchFormat:
2870
if self._require_stacking:
2873
def _get_full_stack_on(self):
2874
"""Get a fully-qualified URL for the stack_on location."""
2875
if self._stack_on is None:
2877
if self._stack_on_pwd is None:
2878
return self._stack_on
2880
return urlutils.join(self._stack_on_pwd, self._stack_on)
2882
def _add_fallback(self, repository):
2883
"""Add a fallback to the supplied repository, if stacking is set."""
2884
stack_on = self._get_full_stack_on()
2885
if stack_on is None:
2887
stacked_dir = BzrDir.open(stack_on)
2889
stacked_repo = stacked_dir.open_branch().repository
2890
except errors.NotBranchError:
2891
stacked_repo = stacked_dir.open_repository()
2893
repository.add_fallback_repository(stacked_repo)
2894
except errors.UnstackableRepositoryFormat:
2895
if self._require_stacking:
2898
def acquire_repository(self, make_working_trees=None, shared=False):
2899
"""Acquire a repository for this bzrdir.
2901
Implementations may create a new repository or use a pre-exising
2903
:param make_working_trees: If creating a repository, set
2904
make_working_trees to this value (if non-None)
2905
:param shared: If creating a repository, make it shared if True
2906
:return: A repository
2908
raise NotImplemented(RepositoryAcquisitionPolicy.acquire_repository)
2911
class CreateRepository(RepositoryAcquisitionPolicy):
2912
"""A policy of creating a new repository"""
2914
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
2915
require_stacking=False):
2918
:param bzrdir: The bzrdir to create the repository on.
2919
:param stack_on: A location to stack on
2920
:param stack_on_pwd: If stack_on is relative, the location it is
2923
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2925
self._bzrdir = bzrdir
2927
def acquire_repository(self, make_working_trees=None, shared=False):
2928
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2930
Creates the desired repository in the bzrdir we already have.
2932
repository = self._bzrdir.create_repository(shared=shared)
2933
self._add_fallback(repository)
2934
if make_working_trees is not None:
2935
repository.set_make_working_trees(make_working_trees)
2939
class UseExistingRepository(RepositoryAcquisitionPolicy):
2940
"""A policy of reusing an existing repository"""
2942
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
2943
require_stacking=False):
2946
:param repository: The repository to use.
2947
:param stack_on: A location to stack on
2948
:param stack_on_pwd: If stack_on is relative, the location it is
2951
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2953
self._repository = repository
2955
def acquire_repository(self, make_working_trees=None, shared=False):
2956
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2958
Returns an existing repository to use
2960
self._add_fallback(self._repository)
2961
return self._repository
2964
format_registry = BzrDirFormatRegistry()
2965
format_registry.register('weave', BzrDirFormat6,
2966
'Pre-0.8 format. Slower than knit and does not'
2967
' support checkouts or shared repositories.',
2969
format_registry.register_metadir('knit',
2970
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2971
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
2972
branch_format='bzrlib.branch.BzrBranchFormat5',
2973
tree_format='bzrlib.workingtree.WorkingTreeFormat3')
2974
format_registry.register_metadir('metaweave',
2975
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
2976
'Transitional format in 0.8. Slower than knit.',
2977
branch_format='bzrlib.branch.BzrBranchFormat5',
2978
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
2980
format_registry.register_metadir('dirstate',
2981
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2982
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
2983
'above when accessed over the network.',
2984
branch_format='bzrlib.branch.BzrBranchFormat5',
2985
# this uses bzrlib.workingtree.WorkingTreeFormat4 because importing
2986
# directly from workingtree_4 triggers a circular import.
2987
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2989
format_registry.register_metadir('dirstate-tags',
2990
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2991
help='New in 0.15: Fast local operations and improved scaling for '
2992
'network operations. Additionally adds support for tags.'
2993
' Incompatible with bzr < 0.15.',
2994
branch_format='bzrlib.branch.BzrBranchFormat6',
2995
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2997
format_registry.register_metadir('rich-root',
2998
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
2999
help='New in 1.0. Better handling of tree roots. Incompatible with'
3001
branch_format='bzrlib.branch.BzrBranchFormat6',
3002
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3004
format_registry.register_metadir('dirstate-with-subtree',
3005
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
3006
help='New in 0.15: Fast local operations and improved scaling for '
3007
'network operations. Additionally adds support for versioning nested '
3008
'bzr branches. Incompatible with bzr < 0.15.',
3009
branch_format='bzrlib.branch.BzrBranchFormat6',
3010
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3014
format_registry.register_metadir('pack-0.92',
3015
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack1',
3016
help='New in 0.92: Pack-based format with data compatible with '
3017
'dirstate-tags format repositories. Interoperates with '
3018
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3019
'Previously called knitpack-experimental. '
3020
'For more information, see '
3021
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3022
branch_format='bzrlib.branch.BzrBranchFormat6',
3023
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3025
format_registry.register_metadir('pack-0.92-subtree',
3026
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack3',
3027
help='New in 0.92: Pack-based format with data compatible with '
3028
'dirstate-with-subtree format repositories. Interoperates with '
3029
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3030
'Previously called knitpack-experimental. '
3031
'For more information, see '
3032
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3033
branch_format='bzrlib.branch.BzrBranchFormat6',
3034
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3038
format_registry.register_metadir('rich-root-pack',
3039
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack4',
3040
help='New in 1.0: Pack-based format with data compatible with '
3041
'rich-root format repositories. Incompatible with'
3043
branch_format='bzrlib.branch.BzrBranchFormat6',
3044
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3046
format_registry.register_metadir('1.6',
3047
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5',
3048
help='A branch and pack based repository that supports stacking. ',
3049
branch_format='bzrlib.branch.BzrBranchFormat7',
3050
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3052
format_registry.register_metadir('1.6.1-rich-root',
3053
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5RichRoot',
3054
help='A branch and pack based repository that supports stacking '
3055
'and rich root data (needed for bzr-svn). ',
3056
branch_format='bzrlib.branch.BzrBranchFormat7',
3057
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3059
format_registry.register_metadir('1.9',
3060
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6',
3061
help='A branch and pack based repository that uses btree indexes. ',
3062
branch_format='bzrlib.branch.BzrBranchFormat7',
3063
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3065
format_registry.register_metadir('1.9-rich-root',
3066
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6RichRoot',
3067
help='A branch and pack based repository that uses btree indexes '
3068
'and rich root data (needed for bzr-svn). ',
3069
branch_format='bzrlib.branch.BzrBranchFormat7',
3070
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3072
# The following two formats should always just be aliases.
3073
format_registry.register_metadir('development',
3074
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2',
3075
help='Current development format. Can convert data to and from pack-0.92 '
3076
'(and anything compatible with pack-0.92) format repositories. '
3077
'Repositories and branches in this format can only be read by bzr.dev. '
3079
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3081
branch_format='bzrlib.branch.BzrBranchFormat7',
3082
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3086
format_registry.register_metadir('development-subtree',
3087
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2Subtree',
3088
help='Current development format, subtree variant. Can convert data to and '
3089
'from pack-0.92-subtree (and anything compatible with '
3090
'pack-0.92-subtree) format repositories. Repositories and branches in '
3091
'this format can only be read by bzr.dev. Please read '
3092
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3094
branch_format='bzrlib.branch.BzrBranchFormat7',
3095
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3099
# And the development formats above will have aliased one of the following:
3100
format_registry.register_metadir('development2',
3101
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2',
3102
help='1.6.1 with B+Tree based index. '
3104
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3106
branch_format='bzrlib.branch.BzrBranchFormat7',
3107
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3111
format_registry.register_metadir('development2-subtree',
3112
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2Subtree',
3113
help='1.6.1-subtree with B+Tree based index. '
3115
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3117
branch_format='bzrlib.branch.BzrBranchFormat7',
3118
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3122
# The current format that is made on 'bzr init'.
3123
format_registry.set_default('pack-0.92')
added
removed
bzrlib/bzrdir.py
