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# Copyright (C) 2005, 2006, 2007, 2008 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""BzrDir logic. The BzrDir is the basic control directory used by bzr.
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At format 7 this was split out into Branch, Repository and Checkout control
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Note: This module has a lot of ``open`` functions/methods that return
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references to in-memory objects. As a rule, there are no matching ``close``
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methods. To free any associated resources, simply stop referencing the
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# TODO: Move old formats into a plugin to make this file smaller.
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from cStringIO import StringIO
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from stat import S_ISDIR
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from warnings import warn
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revision as _mod_revision,
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from bzrlib.osutils import (
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from bzrlib.repository import Repository
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from bzrlib.smart.client import _SmartClient
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from bzrlib.smart import protocol
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from bzrlib.store.versioned import WeaveStore
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from bzrlib.transactions import WriteTransaction
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from bzrlib.transport import (
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do_catching_redirections,
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from bzrlib.weave import Weave
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from bzrlib.trace import (
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from bzrlib.transport.local import LocalTransport
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from bzrlib.symbol_versioning import (
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"""A .bzr control diretory.
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BzrDir instances let you create or open any of the things that can be
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found within .bzr - checkouts, branches and repositories.
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the transport which this bzr dir is rooted at (i.e. file:///.../.bzr/)
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a transport connected to the directory this bzr was opened from
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(i.e. the parent directory holding the .bzr directory).
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Everything in the bzrdir should have the same file permissions.
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def break_lock(self):
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"""Invoke break_lock on the first object in the bzrdir.
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If there is a tree, the tree is opened and break_lock() called.
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Otherwise, branch is tried, and finally repository.
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# XXX: This seems more like a UI function than something that really
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# belongs in this class.
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thing_to_unlock = self.open_workingtree()
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except (errors.NotLocalUrl, errors.NoWorkingTree):
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thing_to_unlock = self.open_branch()
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except errors.NotBranchError:
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thing_to_unlock = self.open_repository()
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except errors.NoRepositoryPresent:
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thing_to_unlock.break_lock()
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def can_convert_format(self):
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"""Return true if this bzrdir is one whose format we can convert from."""
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def check_conversion_target(self, target_format):
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target_repo_format = target_format.repository_format
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source_repo_format = self._format.repository_format
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source_repo_format.check_conversion_target(target_repo_format)
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def _check_supported(format, allow_unsupported,
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recommend_upgrade=True,
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"""Give an error or warning on old formats.
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:param format: may be any kind of format - workingtree, branch,
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:param allow_unsupported: If true, allow opening
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formats that are strongly deprecated, and which may
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have limited functionality.
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:param recommend_upgrade: If true (default), warn
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the user through the ui object that they may wish
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to upgrade the object.
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# TODO: perhaps move this into a base Format class; it's not BzrDir
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# specific. mbp 20070323
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if not allow_unsupported and not format.is_supported():
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# see open_downlevel to open legacy branches.
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raise errors.UnsupportedFormatError(format=format)
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if recommend_upgrade \
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and getattr(format, 'upgrade_recommended', False):
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ui.ui_factory.recommend_upgrade(
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format.get_format_description(),
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def clone(self, url, revision_id=None, force_new_repo=False,
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preserve_stacking=False):
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"""Clone this bzrdir and its contents to url verbatim.
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:param url: The url create the clone at. If url's last component does
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not exist, it will be created.
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:param revision_id: The tip revision-id to use for any branch or
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working tree. If not None, then the clone operation may tune
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itself to download less data.
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:param force_new_repo: Do not use a shared repository for the target
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even if one is available.
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:param preserve_stacking: When cloning a stacked branch, stack the
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new branch on top of the other branch's stacked-on branch.
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return self.clone_on_transport(get_transport(url),
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revision_id=revision_id,
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force_new_repo=force_new_repo,
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preserve_stacking=preserve_stacking)
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def clone_on_transport(self, transport, revision_id=None,
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force_new_repo=False, preserve_stacking=False):
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"""Clone this bzrdir and its contents to transport verbatim.
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:param transport: The transport for the location to produce the clone
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at. If the target directory does not exist, it will be created.
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:param revision_id: The tip revision-id to use for any branch or
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working tree. If not None, then the clone operation may tune
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itself to download less data.
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:param force_new_repo: Do not use a shared repository for the target,
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even if one is available.
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:param preserve_stacking: When cloning a stacked branch, stack the
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new branch on top of the other branch's stacked-on branch.
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transport.ensure_base()
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result = self.cloning_metadir().initialize_on_transport(transport)
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repository_policy = None
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local_repo = self.find_repository()
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except errors.NoRepositoryPresent:
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local_branch = self.open_branch()
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except errors.NotBranchError:
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# enable fallbacks when branch is not a branch reference
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if local_branch.repository.has_same_location(local_repo):
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local_repo = local_branch.repository
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if preserve_stacking:
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stack_on = local_branch.get_stacked_on_url()
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except (errors.UnstackableBranchFormat,
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errors.UnstackableRepositoryFormat,
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# may need to copy content in
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repository_policy = result.determine_repository_policy(
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force_new_repo, stack_on, self.root_transport.base)
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make_working_trees = local_repo.make_working_trees()
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result_repo = repository_policy.acquire_repository(
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make_working_trees, local_repo.is_shared())
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result_repo.fetch(local_repo, revision_id=revision_id)
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# 1 if there is a branch present
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# make sure its content is available in the target repository
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if local_branch is not None:
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result_branch = local_branch.clone(result, revision_id=revision_id)
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if repository_policy is not None:
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repository_policy.configure_branch(result_branch)
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if result_repo is None or result_repo.make_working_trees():
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self.open_workingtree().clone(result)
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except (errors.NoWorkingTree, errors.NotLocalUrl):
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# TODO: This should be given a Transport, and should chdir up; otherwise
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# this will open a new connection.
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def _make_tail(self, url):
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t = get_transport(url)
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def create(cls, base, format=None, possible_transports=None):
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"""Create a new BzrDir at the url 'base'.
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:param format: If supplied, the format of branch to create. If not
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supplied, the default is used.
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:param possible_transports: If supplied, a list of transports that
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can be reused to share a remote connection.
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if cls is not BzrDir:
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raise AssertionError("BzrDir.create always creates the default"
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" format, not one of %r" % cls)
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t = get_transport(base, possible_transports)
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format = BzrDirFormat.get_default_format()
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return format.initialize_on_transport(t)
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def find_bzrdirs(transport, evaluate=None, list_current=None):
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"""Find bzrdirs recursively from current location.
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This is intended primarily as a building block for more sophisticated
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functionality, like finding trees under a directory, or finding
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branches that use a given repository.
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:param evaluate: An optional callable that yields recurse, value,
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where recurse controls whether this bzrdir is recursed into
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and value is the value to yield. By default, all bzrdirs
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are recursed into, and the return value is the bzrdir.
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:param list_current: if supplied, use this function to list the current
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directory, instead of Transport.list_dir
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:return: a generator of found bzrdirs, or whatever evaluate returns.
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if list_current is None:
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def list_current(transport):
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return transport.list_dir('')
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def evaluate(bzrdir):
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pending = [transport]
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while len(pending) > 0:
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current_transport = pending.pop()
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bzrdir = BzrDir.open_from_transport(current_transport)
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except errors.NotBranchError:
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recurse, value = evaluate(bzrdir)
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subdirs = list_current(current_transport)
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except errors.NoSuchFile:
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for subdir in sorted(subdirs, reverse=True):
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pending.append(current_transport.clone(subdir))
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def find_branches(transport):
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"""Find all branches under a transport.
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This will find all branches below the transport, including branches
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inside other branches. Where possible, it will use
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Repository.find_branches.
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To list all the branches that use a particular Repository, see
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Repository.find_branches
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def evaluate(bzrdir):
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repository = bzrdir.open_repository()
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except errors.NoRepositoryPresent:
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return False, (None, repository)
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branch = bzrdir.open_branch()
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except errors.NotBranchError:
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return True, (None, None)
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return True, (branch, None)
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for branch, repo in BzrDir.find_bzrdirs(transport, evaluate=evaluate):
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branches.extend(repo.find_branches())
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if branch is not None:
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branches.append(branch)
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def destroy_repository(self):
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"""Destroy the repository in this BzrDir"""
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raise NotImplementedError(self.destroy_repository)
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def create_branch(self):
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"""Create a branch in this BzrDir.
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The bzrdir's format will control what branch format is created.
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For more control see BranchFormatXX.create(a_bzrdir).
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raise NotImplementedError(self.create_branch)
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def destroy_branch(self):
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"""Destroy the branch in this BzrDir"""
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raise NotImplementedError(self.destroy_branch)
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def create_branch_and_repo(base, force_new_repo=False, format=None):
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"""Create a new BzrDir, Branch and Repository at the url 'base'.
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This will use the current default BzrDirFormat unless one is
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specified, and use whatever
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repository format that that uses via bzrdir.create_branch and
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create_repository. If a shared repository is available that is used
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The created Branch object is returned.
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:param base: The URL to create the branch at.
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:param force_new_repo: If True a new repository is always created.
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:param format: If supplied, the format of branch to create. If not
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supplied, the default is used.
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bzrdir = BzrDir.create(base, format)
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bzrdir._find_or_create_repository(force_new_repo)
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return bzrdir.create_branch()
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def determine_repository_policy(self, force_new_repo=False, stack_on=None,
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stack_on_pwd=None, require_stacking=False):
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"""Return an object representing a policy to use.
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This controls whether a new repository is created, or a shared
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repository used instead.
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If stack_on is supplied, will not seek a containing shared repo.
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:param force_new_repo: If True, require a new repository to be created.
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:param stack_on: If supplied, the location to stack on. If not
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supplied, a default_stack_on location may be used.
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:param stack_on_pwd: If stack_on is relative, the location it is
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def repository_policy(found_bzrdir):
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config = found_bzrdir.get_config()
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if config is not None:
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stack_on = config.get_default_stack_on()
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if stack_on is not None:
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stack_on_pwd = found_bzrdir.root_transport.base
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note('Using default stacking branch %s at %s', stack_on,
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# does it have a repository ?
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repository = found_bzrdir.open_repository()
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except errors.NoRepositoryPresent:
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if ((found_bzrdir.root_transport.base !=
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self.root_transport.base) and not repository.is_shared()):
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return UseExistingRepository(repository, stack_on,
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stack_on_pwd, require_stacking=require_stacking), True
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return CreateRepository(self, stack_on, stack_on_pwd,
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require_stacking=require_stacking), True
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if not force_new_repo:
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policy = self._find_containing(repository_policy)
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if policy is not None:
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return UseExistingRepository(self.open_repository(),
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stack_on, stack_on_pwd,
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require_stacking=require_stacking)
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except errors.NoRepositoryPresent:
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return CreateRepository(self, stack_on, stack_on_pwd,
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require_stacking=require_stacking)
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def _find_or_create_repository(self, force_new_repo):
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"""Create a new repository if needed, returning the repository."""
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policy = self.determine_repository_policy(force_new_repo)
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return policy.acquire_repository()
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def create_branch_convenience(base, force_new_repo=False,
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force_new_tree=None, format=None,
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possible_transports=None):
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"""Create a new BzrDir, Branch and Repository at the url 'base'.
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This is a convenience function - it will use an existing repository
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if possible, can be told explicitly whether to create a working tree or
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This will use the current default BzrDirFormat unless one is
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specified, and use whatever
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repository format that that uses via bzrdir.create_branch and
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create_repository. If a shared repository is available that is used
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preferentially. Whatever repository is used, its tree creation policy
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The created Branch object is returned.
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If a working tree cannot be made due to base not being a file:// url,
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no error is raised unless force_new_tree is True, in which case no
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data is created on disk and NotLocalUrl is raised.
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:param base: The URL to create the branch at.
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:param force_new_repo: If True a new repository is always created.
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:param force_new_tree: If True or False force creation of a tree or
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prevent such creation respectively.
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:param format: Override for the bzrdir format to create.
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:param possible_transports: An optional reusable transports list.
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# check for non local urls
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t = get_transport(base, possible_transports)
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if not isinstance(t, LocalTransport):
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raise errors.NotLocalUrl(base)
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bzrdir = BzrDir.create(base, format, possible_transports)
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repo = bzrdir._find_or_create_repository(force_new_repo)
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result = bzrdir.create_branch()
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if force_new_tree or (repo.make_working_trees() and
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force_new_tree is None):
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bzrdir.create_workingtree()
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except errors.NotLocalUrl:
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def create_standalone_workingtree(base, format=None):
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"""Create a new BzrDir, WorkingTree, Branch and Repository at 'base'.
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'base' must be a local path or a file:// url.
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This will use the current default BzrDirFormat unless one is
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specified, and use whatever
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repository format that that uses for bzrdirformat.create_workingtree,
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create_branch and create_repository.
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:param format: Override for the bzrdir format to create.
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:return: The WorkingTree object.
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t = get_transport(base)
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if not isinstance(t, LocalTransport):
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raise errors.NotLocalUrl(base)
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bzrdir = BzrDir.create_branch_and_repo(base,
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format=format).bzrdir
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return bzrdir.create_workingtree()
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def create_workingtree(self, revision_id=None, from_branch=None,
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accelerator_tree=None, hardlink=False):
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"""Create a working tree at this BzrDir.
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:param revision_id: create it as of this revision id.
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:param from_branch: override bzrdir branch (for lightweight checkouts)
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:param accelerator_tree: A tree which can be used for retrieving file
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contents more quickly than the revision tree, i.e. a workingtree.
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The revision tree will be used for cases where accelerator_tree's
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content is different.
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raise NotImplementedError(self.create_workingtree)
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def retire_bzrdir(self, limit=10000):
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"""Permanently disable the bzrdir.
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This is done by renaming it to give the user some ability to recover
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if there was a problem.
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This will have horrible consequences if anyone has anything locked or
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:param limit: number of times to retry
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to_path = '.bzr.retired.%d' % i
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self.root_transport.rename('.bzr', to_path)
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note("renamed %s to %s"
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% (self.root_transport.abspath('.bzr'), to_path))
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except (errors.TransportError, IOError, errors.PathError):
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def destroy_workingtree(self):
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"""Destroy the working tree at this BzrDir.
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Formats that do not support this may raise UnsupportedOperation.
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raise NotImplementedError(self.destroy_workingtree)
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def destroy_workingtree_metadata(self):
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"""Destroy the control files for the working tree at this BzrDir.
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The contents of working tree files are not affected.
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Formats that do not support this may raise UnsupportedOperation.
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raise NotImplementedError(self.destroy_workingtree_metadata)
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def _find_containing(self, evaluate):
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"""Find something in a containing control directory.
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This method will scan containing control dirs, until it finds what
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it is looking for, decides that it will never find it, or runs out
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of containing control directories to check.
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It is used to implement find_repository and
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determine_repository_policy.
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:param evaluate: A function returning (value, stop). If stop is True,
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the value will be returned.
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result, stop = evaluate(found_bzrdir)
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next_transport = found_bzrdir.root_transport.clone('..')
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if (found_bzrdir.root_transport.base == next_transport.base):
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# top of the file system
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# find the next containing bzrdir
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found_bzrdir = BzrDir.open_containing_from_transport(
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except errors.NotBranchError:
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def find_repository(self):
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"""Find the repository that should be used.
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This does not require a branch as we use it to find the repo for
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new branches as well as to hook existing branches up to their
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def usable_repository(found_bzrdir):
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# does it have a repository ?
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repository = found_bzrdir.open_repository()
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except errors.NoRepositoryPresent:
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if found_bzrdir.root_transport.base == self.root_transport.base:
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return repository, True
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elif repository.is_shared():
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return repository, True
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found_repo = self._find_containing(usable_repository)
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if found_repo is None:
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raise errors.NoRepositoryPresent(self)
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def get_branch_reference(self):
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"""Return the referenced URL for the branch in this bzrdir.
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:raises NotBranchError: If there is no Branch.
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:return: The URL the branch in this bzrdir references if it is a
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reference branch, or None for regular branches.
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def get_branch_transport(self, branch_format):
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"""Get the transport for use by branch format in this BzrDir.
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Note that bzr dirs that do not support format strings will raise
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IncompatibleFormat if the branch format they are given has
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a format string, and vice versa.
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If branch_format is None, the transport is returned with no
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checking. If it is not None, then the returned transport is
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guaranteed to point to an existing directory ready for use.
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raise NotImplementedError(self.get_branch_transport)
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def _find_creation_modes(self):
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"""Determine the appropriate modes for files and directories.
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They're always set to be consistent with the base directory,
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assuming that this transport allows setting modes.
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# TODO: Do we need or want an option (maybe a config setting) to turn
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# this off or override it for particular locations? -- mbp 20080512
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if self._mode_check_done:
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self._mode_check_done = True
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st = self.transport.stat('.')
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except errors.TransportNotPossible:
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self._dir_mode = None
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self._file_mode = None
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# Check the directory mode, but also make sure the created
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# directories and files are read-write for this user. This is
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# mostly a workaround for filesystems which lie about being able to
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# write to a directory (cygwin & win32)
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self._dir_mode = (st.st_mode & 07777) | 00700
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# Remove the sticky and execute bits for files
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self._file_mode = self._dir_mode & ~07111
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def _get_file_mode(self):
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"""Return Unix mode for newly created files, or None.
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if not self._mode_check_done:
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self._find_creation_modes()
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return self._file_mode
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def _get_dir_mode(self):
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"""Return Unix mode for newly created directories, or None.
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if not self._mode_check_done:
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self._find_creation_modes()
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return self._dir_mode
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def get_repository_transport(self, repository_format):
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"""Get the transport for use by repository format in this BzrDir.
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Note that bzr dirs that do not support format strings will raise
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IncompatibleFormat if the repository format they are given has
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a format string, and vice versa.
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If repository_format is None, the transport is returned with no
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checking. If it is not None, then the returned transport is
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guaranteed to point to an existing directory ready for use.
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raise NotImplementedError(self.get_repository_transport)
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def get_workingtree_transport(self, tree_format):
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"""Get the transport for use by workingtree format in this BzrDir.
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Note that bzr dirs that do not support format strings will raise
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IncompatibleFormat if the workingtree format they are given has a
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format string, and vice versa.
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If workingtree_format is None, the transport is returned with no
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checking. If it is not None, then the returned transport is
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guaranteed to point to an existing directory ready for use.
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raise NotImplementedError(self.get_workingtree_transport)
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def get_config(self):
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if getattr(self, '_get_config', None) is None:
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return self._get_config()
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def __init__(self, _transport, _format):
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"""Initialize a Bzr control dir object.
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Only really common logic should reside here, concrete classes should be
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made with varying behaviours.
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:param _format: the format that is creating this BzrDir instance.
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:param _transport: the transport this dir is based at.
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self._format = _format
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self.transport = _transport.clone('.bzr')
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self.root_transport = _transport
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self._mode_check_done = False
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def is_control_filename(self, filename):
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"""True if filename is the name of a path which is reserved for bzrdir's.
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:param filename: A filename within the root transport of this bzrdir.
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This is true IF and ONLY IF the filename is part of the namespace reserved
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for bzr control dirs. Currently this is the '.bzr' directory in the root
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of the root_transport. it is expected that plugins will need to extend
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this in the future - for instance to make bzr talk with svn working
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# this might be better on the BzrDirFormat class because it refers to
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# all the possible bzrdir disk formats.
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# This method is tested via the workingtree is_control_filename tests-
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# it was extracted from WorkingTree.is_control_filename. If the method's
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# contract is extended beyond the current trivial implementation, please
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# add new tests for it to the appropriate place.
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return filename == '.bzr' or filename.startswith('.bzr/')
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def needs_format_conversion(self, format=None):
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"""Return true if this bzrdir needs convert_format run on it.
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For instance, if the repository format is out of date but the
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branch and working tree are not, this should return True.
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:param format: Optional parameter indicating a specific desired
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format we plan to arrive at.
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raise NotImplementedError(self.needs_format_conversion)
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def open_unsupported(base):
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"""Open a branch which is not supported."""
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return BzrDir.open(base, _unsupported=True)
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def open(base, _unsupported=False, possible_transports=None):
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"""Open an existing bzrdir, rooted at 'base' (url).
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:param _unsupported: a private parameter to the BzrDir class.
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t = get_transport(base, possible_transports=possible_transports)
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return BzrDir.open_from_transport(t, _unsupported=_unsupported)
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def open_from_transport(transport, _unsupported=False,
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_server_formats=True):
770
"""Open a bzrdir within a particular directory.
772
:param transport: Transport containing the bzrdir.
773
:param _unsupported: private.
775
base = transport.base
777
def find_format(transport):
778
return transport, BzrDirFormat.find_format(
779
transport, _server_formats=_server_formats)
781
def redirected(transport, e, redirection_notice):
782
qualified_source = e.get_source_url()
783
relpath = transport.relpath(qualified_source)
784
if not e.target.endswith(relpath):
785
# Not redirected to a branch-format, not a branch
786
raise errors.NotBranchError(path=e.target)
787
target = e.target[:-len(relpath)]
788
note('%s is%s redirected to %s',
789
transport.base, e.permanently, target)
790
# Let's try with a new transport
791
# FIXME: If 'transport' has a qualifier, this should
792
# be applied again to the new transport *iff* the
793
# schemes used are the same. Uncomment this code
794
# once the function (and tests) exist.
796
#target = urlutils.copy_url_qualifiers(original, target)
797
return get_transport(target)
800
transport, format = do_catching_redirections(find_format,
803
except errors.TooManyRedirections:
804
raise errors.NotBranchError(base)
806
BzrDir._check_supported(format, _unsupported)
807
return format.open(transport, _found=True)
809
def open_branch(self, unsupported=False):
810
"""Open the branch object at this BzrDir if one is present.
812
If unsupported is True, then no longer supported branch formats can
815
TODO: static convenience version of this?
817
raise NotImplementedError(self.open_branch)
820
def open_containing(url, possible_transports=None):
821
"""Open an existing branch which contains url.
823
:param url: url to search from.
824
See open_containing_from_transport for more detail.
826
transport = get_transport(url, possible_transports)
827
return BzrDir.open_containing_from_transport(transport)
830
def open_containing_from_transport(a_transport):
831
"""Open an existing branch which contains a_transport.base.
833
This probes for a branch at a_transport, and searches upwards from there.
835
Basically we keep looking up until we find the control directory or
836
run into the root. If there isn't one, raises NotBranchError.
837
If there is one and it is either an unrecognised format or an unsupported
838
format, UnknownFormatError or UnsupportedFormatError are raised.
839
If there is one, it is returned, along with the unused portion of url.
841
:return: The BzrDir that contains the path, and a Unicode path
842
for the rest of the URL.
844
# this gets the normalised url back. I.e. '.' -> the full path.
845
url = a_transport.base
848
result = BzrDir.open_from_transport(a_transport)
849
return result, urlutils.unescape(a_transport.relpath(url))
850
except errors.NotBranchError, e:
853
new_t = a_transport.clone('..')
854
except errors.InvalidURLJoin:
855
# reached the root, whatever that may be
856
raise errors.NotBranchError(path=url)
857
if new_t.base == a_transport.base:
858
# reached the root, whatever that may be
859
raise errors.NotBranchError(path=url)
862
def _get_tree_branch(self):
863
"""Return the branch and tree, if any, for this bzrdir.
865
Return None for tree if not present or inaccessible.
866
Raise NotBranchError if no branch is present.
867
:return: (tree, branch)
870
tree = self.open_workingtree()
871
except (errors.NoWorkingTree, errors.NotLocalUrl):
873
branch = self.open_branch()
879
def open_tree_or_branch(klass, location):
880
"""Return the branch and working tree at a location.
882
If there is no tree at the location, tree will be None.
883
If there is no branch at the location, an exception will be
885
:return: (tree, branch)
887
bzrdir = klass.open(location)
888
return bzrdir._get_tree_branch()
891
def open_containing_tree_or_branch(klass, location):
892
"""Return the branch and working tree contained by a location.
894
Returns (tree, branch, relpath).
895
If there is no tree at containing the location, tree will be None.
896
If there is no branch containing the location, an exception will be
898
relpath is the portion of the path that is contained by the branch.
900
bzrdir, relpath = klass.open_containing(location)
901
tree, branch = bzrdir._get_tree_branch()
902
return tree, branch, relpath
905
def open_containing_tree_branch_or_repository(klass, location):
906
"""Return the working tree, branch and repo contained by a location.
908
Returns (tree, branch, repository, relpath).
909
If there is no tree containing the location, tree will be None.
910
If there is no branch containing the location, branch will be None.
911
If there is no repository containing the location, repository will be
913
relpath is the portion of the path that is contained by the innermost
916
If no tree, branch or repository is found, a NotBranchError is raised.
918
bzrdir, relpath = klass.open_containing(location)
920
tree, branch = bzrdir._get_tree_branch()
921
except errors.NotBranchError:
923
repo = bzrdir.find_repository()
924
return None, None, repo, relpath
925
except (errors.NoRepositoryPresent):
926
raise errors.NotBranchError(location)
927
return tree, branch, branch.repository, relpath
929
def open_repository(self, _unsupported=False):
930
"""Open the repository object at this BzrDir if one is present.
932
This will not follow the Branch object pointer - it's strictly a direct
933
open facility. Most client code should use open_branch().repository to
936
:param _unsupported: a private parameter, not part of the api.
937
TODO: static convenience version of this?
939
raise NotImplementedError(self.open_repository)
941
def open_workingtree(self, _unsupported=False,
942
recommend_upgrade=True, from_branch=None):
943
"""Open the workingtree object at this BzrDir if one is present.
945
:param recommend_upgrade: Optional keyword parameter, when True (the
946
default), emit through the ui module a recommendation that the user
947
upgrade the working tree when the workingtree being opened is old
948
(but still fully supported).
949
:param from_branch: override bzrdir branch (for lightweight checkouts)
951
raise NotImplementedError(self.open_workingtree)
953
def has_branch(self):
954
"""Tell if this bzrdir contains a branch.
956
Note: if you're going to open the branch, you should just go ahead
957
and try, and not ask permission first. (This method just opens the
958
branch and discards it, and that's somewhat expensive.)
963
except errors.NotBranchError:
966
def has_workingtree(self):
967
"""Tell if this bzrdir contains a working tree.
969
This will still raise an exception if the bzrdir has a workingtree that
970
is remote & inaccessible.
972
Note: if you're going to open the working tree, you should just go ahead
973
and try, and not ask permission first. (This method just opens the
974
workingtree and discards it, and that's somewhat expensive.)
977
self.open_workingtree(recommend_upgrade=False)
979
except errors.NoWorkingTree:
982
def _cloning_metadir(self):
983
"""Produce a metadir suitable for cloning with.
985
:returns: (destination_bzrdir_format, source_repository)
987
result_format = self._format.__class__()
990
branch = self.open_branch()
991
source_repository = branch.repository
992
except errors.NotBranchError:
994
source_repository = self.open_repository()
995
except errors.NoRepositoryPresent:
996
source_repository = None
998
# XXX TODO: This isinstance is here because we have not implemented
999
# the fix recommended in bug # 103195 - to delegate this choice the
1000
# repository itself.
1001
repo_format = source_repository._format
1002
if not isinstance(repo_format, remote.RemoteRepositoryFormat):
1003
result_format.repository_format = repo_format
1005
# TODO: Couldn't we just probe for the format in these cases,
1006
# rather than opening the whole tree? It would be a little
1007
# faster. mbp 20070401
1008
tree = self.open_workingtree(recommend_upgrade=False)
1009
except (errors.NoWorkingTree, errors.NotLocalUrl):
1010
result_format.workingtree_format = None
1012
result_format.workingtree_format = tree._format.__class__()
1013
return result_format, source_repository
1015
def cloning_metadir(self):
1016
"""Produce a metadir suitable for cloning or sprouting with.
1018
These operations may produce workingtrees (yes, even though they're
1019
"cloning" something that doesn't have a tree), so a viable workingtree
1020
format must be selected.
1022
:returns: a BzrDirFormat with all component formats either set
1023
appropriately or set to None if that component should not be
1026
format, repository = self._cloning_metadir()
1027
if format._workingtree_format is None:
1028
if repository is None:
1030
tree_format = repository._format._matchingbzrdir.workingtree_format
1031
format.workingtree_format = tree_format.__class__()
1034
def checkout_metadir(self):
1035
return self.cloning_metadir()
1037
def sprout(self, url, revision_id=None, force_new_repo=False,
1038
recurse='down', possible_transports=None,
1039
accelerator_tree=None, hardlink=False, stacked=False):
1040
"""Create a copy of this bzrdir prepared for use as a new line of
1043
If url's last component does not exist, it will be created.
1045
Attributes related to the identity of the source branch like
1046
branch nickname will be cleaned, a working tree is created
1047
whether one existed before or not; and a local branch is always
1050
if revision_id is not None, then the clone operation may tune
1051
itself to download less data.
1052
:param accelerator_tree: A tree which can be used for retrieving file
1053
contents more quickly than the revision tree, i.e. a workingtree.
1054
The revision tree will be used for cases where accelerator_tree's
1055
content is different.
1056
:param hardlink: If true, hard-link files from accelerator_tree,
1058
:param stacked: If true, create a stacked branch referring to the
1059
location of this control directory.
1061
target_transport = get_transport(url, possible_transports)
1062
target_transport.ensure_base()
1063
cloning_format = self.cloning_metadir()
1064
result = cloning_format.initialize_on_transport(target_transport)
1066
source_branch = self.open_branch()
1067
source_repository = source_branch.repository
1069
stacked_branch_url = self.root_transport.base
1071
# if a stacked branch wasn't requested, we don't create one
1072
# even if the origin was stacked
1073
stacked_branch_url = None
1074
except errors.NotBranchError:
1075
source_branch = None
1077
source_repository = self.open_repository()
1078
except errors.NoRepositoryPresent:
1079
source_repository = None
1080
stacked_branch_url = None
1081
repository_policy = result.determine_repository_policy(
1082
force_new_repo, stacked_branch_url, require_stacking=stacked)
1083
result_repo = repository_policy.acquire_repository()
1084
if source_repository is not None:
1085
# XXX: Isn't this redundant with the copy_content_into used below
1086
# after creating the branch? -- mbp 20080724
1087
result_repo.fetch(source_repository, revision_id=revision_id)
1089
# Create/update the result branch
1091
or repository_policy._require_stacking
1092
or repository_policy._stack_on)
1093
and not result._format.get_branch_format().supports_stacking()):
1094
# force a branch that can support stacking
1095
from bzrlib.branch import BzrBranchFormat7
1096
format = BzrBranchFormat7()
1097
result_branch = format.initialize(result)
1098
mutter("using %r for stacking" % (format,))
1099
elif source_branch is None:
1100
# this is for sprouting a bzrdir without a branch; is that
1102
result_branch = result.create_branch()
1104
result_branch = source_branch._format.initialize(result)
1105
mutter("created new branch %r" % (result_branch,))
1106
repository_policy.configure_branch(result_branch)
1107
if source_branch is not None:
1108
# XXX: this duplicates Branch.sprout(); it probably belongs on an
1109
# InterBranch method? -- mbp 20080724
1110
source_branch.copy_content_into(result_branch,
1111
revision_id=revision_id)
1112
result_branch.set_parent(self.root_transport.base)
1114
# Create/update the result working tree
1115
if isinstance(target_transport, LocalTransport) and (
1116
result_repo is None or result_repo.make_working_trees()):
1117
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
1121
if wt.path2id('') is None:
1123
wt.set_root_id(self.open_workingtree.get_root_id())
1124
except errors.NoWorkingTree:
1130
if recurse == 'down':
1132
basis = wt.basis_tree()
1134
subtrees = basis.iter_references()
1135
elif source_branch is not None:
1136
basis = source_branch.basis_tree()
1138
subtrees = basis.iter_references()
1143
for path, file_id in subtrees:
1144
target = urlutils.join(url, urlutils.escape(path))
1145
sublocation = source_branch.reference_parent(file_id, path)
1146
sublocation.bzrdir.sprout(target,
1147
basis.get_reference_revision(file_id, path),
1148
force_new_repo=force_new_repo, recurse=recurse,
1151
if basis is not None:
1156
class BzrDirPreSplitOut(BzrDir):
1157
"""A common class for the all-in-one formats."""
1159
def __init__(self, _transport, _format):
1160
"""See BzrDir.__init__."""
1161
super(BzrDirPreSplitOut, self).__init__(_transport, _format)
1162
self._control_files = lockable_files.LockableFiles(
1163
self.get_branch_transport(None),
1164
self._format._lock_file_name,
1165
self._format._lock_class)
1167
def break_lock(self):
1168
"""Pre-splitout bzrdirs do not suffer from stale locks."""
1169
raise NotImplementedError(self.break_lock)
1171
def cloning_metadir(self):
1172
"""Produce a metadir suitable for cloning with."""
1173
return self._format.__class__()
1175
def clone(self, url, revision_id=None, force_new_repo=False,
1176
preserve_stacking=False):
1177
"""See BzrDir.clone().
1179
force_new_repo has no effect, since this family of formats always
1180
require a new repository.
1181
preserve_stacking has no effect, since no source branch using this
1182
family of formats can be stacked, so there is no stacking to preserve.
1184
from bzrlib.workingtree import WorkingTreeFormat2
1185
self._make_tail(url)
1186
result = self._format._initialize_for_clone(url)
1187
self.open_repository().clone(result, revision_id=revision_id)
1188
from_branch = self.open_branch()
1189
from_branch.clone(result, revision_id=revision_id)
1191
self.open_workingtree().clone(result)
1192
except errors.NotLocalUrl:
1193
# make a new one, this format always has to have one.
1195
WorkingTreeFormat2().initialize(result)
1196
except errors.NotLocalUrl:
1197
# but we cannot do it for remote trees.
1198
to_branch = result.open_branch()
1199
WorkingTreeFormat2()._stub_initialize_remote(to_branch)
1202
def create_branch(self):
1203
"""See BzrDir.create_branch."""
1204
return self.open_branch()
1206
def destroy_branch(self):
1207
"""See BzrDir.destroy_branch."""
1208
raise errors.UnsupportedOperation(self.destroy_branch, self)
1210
def create_repository(self, shared=False):
1211
"""See BzrDir.create_repository."""
1213
raise errors.IncompatibleFormat('shared repository', self._format)
1214
return self.open_repository()
1216
def destroy_repository(self):
1217
"""See BzrDir.destroy_repository."""
1218
raise errors.UnsupportedOperation(self.destroy_repository, self)
1220
def create_workingtree(self, revision_id=None, from_branch=None,
1221
accelerator_tree=None, hardlink=False):
1222
"""See BzrDir.create_workingtree."""
1223
# this looks buggy but is not -really-
1224
# because this format creates the workingtree when the bzrdir is
1226
# clone and sprout will have set the revision_id
1227
# and that will have set it for us, its only
1228
# specific uses of create_workingtree in isolation
1229
# that can do wonky stuff here, and that only
1230
# happens for creating checkouts, which cannot be
1231
# done on this format anyway. So - acceptable wart.
1232
result = self.open_workingtree(recommend_upgrade=False)
1233
if revision_id is not None:
1234
if revision_id == _mod_revision.NULL_REVISION:
1235
result.set_parent_ids([])
1237
result.set_parent_ids([revision_id])
1240
def destroy_workingtree(self):
1241
"""See BzrDir.destroy_workingtree."""
1242
raise errors.UnsupportedOperation(self.destroy_workingtree, self)
1244
def destroy_workingtree_metadata(self):
1245
"""See BzrDir.destroy_workingtree_metadata."""
1246
raise errors.UnsupportedOperation(self.destroy_workingtree_metadata,
1249
def get_branch_transport(self, branch_format):
1250
"""See BzrDir.get_branch_transport()."""
1251
if branch_format is None:
1252
return self.transport
1254
branch_format.get_format_string()
1255
except NotImplementedError:
1256
return self.transport
1257
raise errors.IncompatibleFormat(branch_format, self._format)
1259
def get_repository_transport(self, repository_format):
1260
"""See BzrDir.get_repository_transport()."""
1261
if repository_format is None:
1262
return self.transport
1264
repository_format.get_format_string()
1265
except NotImplementedError:
1266
return self.transport
1267
raise errors.IncompatibleFormat(repository_format, self._format)
1269
def get_workingtree_transport(self, workingtree_format):
1270
"""See BzrDir.get_workingtree_transport()."""
1271
if workingtree_format is None:
1272
return self.transport
1274
workingtree_format.get_format_string()
1275
except NotImplementedError:
1276
return self.transport
1277
raise errors.IncompatibleFormat(workingtree_format, self._format)
1279
def needs_format_conversion(self, format=None):
1280
"""See BzrDir.needs_format_conversion()."""
1281
# if the format is not the same as the system default,
1282
# an upgrade is needed.
1284
format = BzrDirFormat.get_default_format()
1285
return not isinstance(self._format, format.__class__)
1287
def open_branch(self, unsupported=False):
1288
"""See BzrDir.open_branch."""
1289
from bzrlib.branch import BzrBranchFormat4
1290
format = BzrBranchFormat4()
1291
self._check_supported(format, unsupported)
1292
return format.open(self, _found=True)
1294
def sprout(self, url, revision_id=None, force_new_repo=False,
1295
possible_transports=None, accelerator_tree=None,
1296
hardlink=False, stacked=False):
1297
"""See BzrDir.sprout()."""
1299
raise errors.UnstackableBranchFormat(
1300
self._format, self.root_transport.base)
1301
from bzrlib.workingtree import WorkingTreeFormat2
1302
self._make_tail(url)
1303
result = self._format._initialize_for_clone(url)
1305
self.open_repository().clone(result, revision_id=revision_id)
1306
except errors.NoRepositoryPresent:
1309
self.open_branch().sprout(result, revision_id=revision_id)
1310
except errors.NotBranchError:
1312
# we always want a working tree
1313
WorkingTreeFormat2().initialize(result,
1314
accelerator_tree=accelerator_tree,
1319
class BzrDir4(BzrDirPreSplitOut):
1320
"""A .bzr version 4 control object.
1322
This is a deprecated format and may be removed after sept 2006.
1325
def create_repository(self, shared=False):
1326
"""See BzrDir.create_repository."""
1327
return self._format.repository_format.initialize(self, shared)
1329
def needs_format_conversion(self, format=None):
1330
"""Format 4 dirs are always in need of conversion."""
1333
def open_repository(self):
1334
"""See BzrDir.open_repository."""
1335
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1336
return RepositoryFormat4().open(self, _found=True)
1339
class BzrDir5(BzrDirPreSplitOut):
1340
"""A .bzr version 5 control object.
1342
This is a deprecated format and may be removed after sept 2006.
1345
def open_repository(self):
1346
"""See BzrDir.open_repository."""
1347
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1348
return RepositoryFormat5().open(self, _found=True)
1350
def open_workingtree(self, _unsupported=False,
1351
recommend_upgrade=True):
1352
"""See BzrDir.create_workingtree."""
1353
from bzrlib.workingtree import WorkingTreeFormat2
1354
wt_format = WorkingTreeFormat2()
1355
# we don't warn here about upgrades; that ought to be handled for the
1357
return wt_format.open(self, _found=True)
1360
class BzrDir6(BzrDirPreSplitOut):
1361
"""A .bzr version 6 control object.
1363
This is a deprecated format and may be removed after sept 2006.
1366
def open_repository(self):
1367
"""See BzrDir.open_repository."""
1368
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1369
return RepositoryFormat6().open(self, _found=True)
1371
def open_workingtree(self, _unsupported=False,
1372
recommend_upgrade=True):
1373
"""See BzrDir.create_workingtree."""
1374
# we don't warn here about upgrades; that ought to be handled for the
1376
from bzrlib.workingtree import WorkingTreeFormat2
1377
return WorkingTreeFormat2().open(self, _found=True)
1380
class BzrDirMeta1(BzrDir):
1381
"""A .bzr meta version 1 control object.
1383
This is the first control object where the
1384
individual aspects are really split out: there are separate repository,
1385
workingtree and branch subdirectories and any subset of the three can be
1386
present within a BzrDir.
1389
def can_convert_format(self):
1390
"""See BzrDir.can_convert_format()."""
1393
def create_branch(self):
1394
"""See BzrDir.create_branch."""
1395
return self._format.get_branch_format().initialize(self)
1397
def destroy_branch(self):
1398
"""See BzrDir.create_branch."""
1399
self.transport.delete_tree('branch')
1401
def create_repository(self, shared=False):
1402
"""See BzrDir.create_repository."""
1403
return self._format.repository_format.initialize(self, shared)
1405
def destroy_repository(self):
1406
"""See BzrDir.destroy_repository."""
1407
self.transport.delete_tree('repository')
1409
def create_workingtree(self, revision_id=None, from_branch=None,
1410
accelerator_tree=None, hardlink=False):
1411
"""See BzrDir.create_workingtree."""
1412
return self._format.workingtree_format.initialize(
1413
self, revision_id, from_branch=from_branch,
1414
accelerator_tree=accelerator_tree, hardlink=hardlink)
1416
def destroy_workingtree(self):
1417
"""See BzrDir.destroy_workingtree."""
1418
wt = self.open_workingtree(recommend_upgrade=False)
1419
repository = wt.branch.repository
1420
empty = repository.revision_tree(_mod_revision.NULL_REVISION)
1421
wt.revert(old_tree=empty)
1422
self.destroy_workingtree_metadata()
1424
def destroy_workingtree_metadata(self):
1425
self.transport.delete_tree('checkout')
1427
def find_branch_format(self):
1428
"""Find the branch 'format' for this bzrdir.
1430
This might be a synthetic object for e.g. RemoteBranch and SVN.
1432
from bzrlib.branch import BranchFormat
1433
return BranchFormat.find_format(self)
1435
def _get_mkdir_mode(self):
1436
"""Figure out the mode to use when creating a bzrdir subdir."""
1437
temp_control = lockable_files.LockableFiles(self.transport, '',
1438
lockable_files.TransportLock)
1439
return temp_control._dir_mode
1441
def get_branch_reference(self):
1442
"""See BzrDir.get_branch_reference()."""
1443
from bzrlib.branch import BranchFormat
1444
format = BranchFormat.find_format(self)
1445
return format.get_reference(self)
1447
def get_branch_transport(self, branch_format):
1448
"""See BzrDir.get_branch_transport()."""
1449
if branch_format is None:
1450
return self.transport.clone('branch')
1452
branch_format.get_format_string()
1453
except NotImplementedError:
1454
raise errors.IncompatibleFormat(branch_format, self._format)
1456
self.transport.mkdir('branch', mode=self._get_mkdir_mode())
1457
except errors.FileExists:
1459
return self.transport.clone('branch')
1461
def get_repository_transport(self, repository_format):
1462
"""See BzrDir.get_repository_transport()."""
1463
if repository_format is None:
1464
return self.transport.clone('repository')
1466
repository_format.get_format_string()
1467
except NotImplementedError:
1468
raise errors.IncompatibleFormat(repository_format, self._format)
1470
self.transport.mkdir('repository', mode=self._get_mkdir_mode())
1471
except errors.FileExists:
1473
return self.transport.clone('repository')
1475
def get_workingtree_transport(self, workingtree_format):
1476
"""See BzrDir.get_workingtree_transport()."""
1477
if workingtree_format is None:
1478
return self.transport.clone('checkout')
1480
workingtree_format.get_format_string()
1481
except NotImplementedError:
1482
raise errors.IncompatibleFormat(workingtree_format, self._format)
1484
self.transport.mkdir('checkout', mode=self._get_mkdir_mode())
1485
except errors.FileExists:
1487
return self.transport.clone('checkout')
1489
def needs_format_conversion(self, format=None):
1490
"""See BzrDir.needs_format_conversion()."""
1492
format = BzrDirFormat.get_default_format()
1493
if not isinstance(self._format, format.__class__):
1494
# it is not a meta dir format, conversion is needed.
1496
# we might want to push this down to the repository?
1498
if not isinstance(self.open_repository()._format,
1499
format.repository_format.__class__):
1500
# the repository needs an upgrade.
1502
except errors.NoRepositoryPresent:
1505
if not isinstance(self.open_branch()._format,
1506
format.get_branch_format().__class__):
1507
# the branch needs an upgrade.
1509
except errors.NotBranchError:
1512
my_wt = self.open_workingtree(recommend_upgrade=False)
1513
if not isinstance(my_wt._format,
1514
format.workingtree_format.__class__):
1515
# the workingtree needs an upgrade.
1517
except (errors.NoWorkingTree, errors.NotLocalUrl):
1521
def open_branch(self, unsupported=False):
1522
"""See BzrDir.open_branch."""
1523
format = self.find_branch_format()
1524
self._check_supported(format, unsupported)
1525
return format.open(self, _found=True)
1527
def open_repository(self, unsupported=False):
1528
"""See BzrDir.open_repository."""
1529
from bzrlib.repository import RepositoryFormat
1530
format = RepositoryFormat.find_format(self)
1531
self._check_supported(format, unsupported)
1532
return format.open(self, _found=True)
1534
def open_workingtree(self, unsupported=False,
1535
recommend_upgrade=True):
1536
"""See BzrDir.open_workingtree."""
1537
from bzrlib.workingtree import WorkingTreeFormat
1538
format = WorkingTreeFormat.find_format(self)
1539
self._check_supported(format, unsupported,
1541
basedir=self.root_transport.base)
1542
return format.open(self, _found=True)
1544
def _get_config(self):
1545
return config.BzrDirConfig(self.transport)
1548
class BzrDirFormat(object):
1549
"""An encapsulation of the initialization and open routines for a format.
1551
Formats provide three things:
1552
* An initialization routine,
1556
Formats are placed in a dict by their format string for reference
1557
during bzrdir opening. These should be subclasses of BzrDirFormat
1560
Once a format is deprecated, just deprecate the initialize and open
1561
methods on the format class. Do not deprecate the object, as the
1562
object will be created every system load.
1565
_default_format = None
1566
"""The default format used for new .bzr dirs."""
1569
"""The known formats."""
1571
_control_formats = []
1572
"""The registered control formats - .bzr, ....
1574
This is a list of BzrDirFormat objects.
1577
_control_server_formats = []
1578
"""The registered control server formats, e.g. RemoteBzrDirs.
1580
This is a list of BzrDirFormat objects.
1583
_lock_file_name = 'branch-lock'
1585
# _lock_class must be set in subclasses to the lock type, typ.
1586
# TransportLock or LockDir
1589
def find_format(klass, transport, _server_formats=True):
1590
"""Return the format present at transport."""
1592
formats = klass._control_server_formats + klass._control_formats
1594
formats = klass._control_formats
1595
for format in formats:
1597
return format.probe_transport(transport)
1598
except errors.NotBranchError:
1599
# this format does not find a control dir here.
1601
raise errors.NotBranchError(path=transport.base)
1604
def probe_transport(klass, transport):
1605
"""Return the .bzrdir style format present in a directory."""
1607
format_string = transport.get(".bzr/branch-format").read()
1608
except errors.NoSuchFile:
1609
raise errors.NotBranchError(path=transport.base)
1612
return klass._formats[format_string]
1614
raise errors.UnknownFormatError(format=format_string, kind='bzrdir')
1617
def get_default_format(klass):
1618
"""Return the current default format."""
1619
return klass._default_format
1621
def get_format_string(self):
1622
"""Return the ASCII format string that identifies this format."""
1623
raise NotImplementedError(self.get_format_string)
1625
def get_format_description(self):
1626
"""Return the short description for this format."""
1627
raise NotImplementedError(self.get_format_description)
1629
def get_converter(self, format=None):
1630
"""Return the converter to use to convert bzrdirs needing converts.
1632
This returns a bzrlib.bzrdir.Converter object.
1634
This should return the best upgrader to step this format towards the
1635
current default format. In the case of plugins we can/should provide
1636
some means for them to extend the range of returnable converters.
1638
:param format: Optional format to override the default format of the
1641
raise NotImplementedError(self.get_converter)
1643
def initialize(self, url, possible_transports=None):
1644
"""Create a bzr control dir at this url and return an opened copy.
1646
Subclasses should typically override initialize_on_transport
1647
instead of this method.
1649
return self.initialize_on_transport(get_transport(url,
1650
possible_transports))
1652
def initialize_on_transport(self, transport):
1653
"""Initialize a new bzrdir in the base directory of a Transport."""
1654
# Since we don't have a .bzr directory, inherit the
1655
# mode from the root directory
1656
temp_control = lockable_files.LockableFiles(transport,
1657
'', lockable_files.TransportLock)
1658
temp_control._transport.mkdir('.bzr',
1659
# FIXME: RBC 20060121 don't peek under
1661
mode=temp_control._dir_mode)
1662
if sys.platform == 'win32' and isinstance(transport, LocalTransport):
1663
win32utils.set_file_attr_hidden(transport._abspath('.bzr'))
1664
file_mode = temp_control._file_mode
1666
bzrdir_transport = transport.clone('.bzr')
1667
utf8_files = [('README',
1668
"This is a Bazaar control directory.\n"
1669
"Do not change any files in this directory.\n"
1670
"See http://bazaar-vcs.org/ for more information about Bazaar.\n"),
1671
('branch-format', self.get_format_string()),
1673
# NB: no need to escape relative paths that are url safe.
1674
control_files = lockable_files.LockableFiles(bzrdir_transport,
1675
self._lock_file_name, self._lock_class)
1676
control_files.create_lock()
1677
control_files.lock_write()
1679
for (filename, content) in utf8_files:
1680
bzrdir_transport.put_bytes(filename, content,
1683
control_files.unlock()
1684
return self.open(transport, _found=True)
1686
def is_supported(self):
1687
"""Is this format supported?
1689
Supported formats must be initializable and openable.
1690
Unsupported formats may not support initialization or committing or
1691
some other features depending on the reason for not being supported.
1695
def same_model(self, target_format):
1696
return (self.repository_format.rich_root_data ==
1697
target_format.rich_root_data)
1700
def known_formats(klass):
1701
"""Return all the known formats.
1703
Concrete formats should override _known_formats.
1705
# There is double indirection here to make sure that control
1706
# formats used by more than one dir format will only be probed
1707
# once. This can otherwise be quite expensive for remote connections.
1709
for format in klass._control_formats:
1710
result.update(format._known_formats())
1714
def _known_formats(klass):
1715
"""Return the known format instances for this control format."""
1716
return set(klass._formats.values())
1718
def open(self, transport, _found=False):
1719
"""Return an instance of this format for the dir transport points at.
1721
_found is a private parameter, do not use it.
1724
found_format = BzrDirFormat.find_format(transport)
1725
if not isinstance(found_format, self.__class__):
1726
raise AssertionError("%s was asked to open %s, but it seems to need "
1728
% (self, transport, found_format))
1729
return self._open(transport)
1731
def _open(self, transport):
1732
"""Template method helper for opening BzrDirectories.
1734
This performs the actual open and any additional logic or parameter
1737
raise NotImplementedError(self._open)
1740
def register_format(klass, format):
1741
klass._formats[format.get_format_string()] = format
1744
def register_control_format(klass, format):
1745
"""Register a format that does not use '.bzr' for its control dir.
1747
TODO: This should be pulled up into a 'ControlDirFormat' base class
1748
which BzrDirFormat can inherit from, and renamed to register_format
1749
there. It has been done without that for now for simplicity of
1752
klass._control_formats.append(format)
1755
def register_control_server_format(klass, format):
1756
"""Register a control format for client-server environments.
1758
These formats will be tried before ones registered with
1759
register_control_format. This gives implementations that decide to the
1760
chance to grab it before anything looks at the contents of the format
1763
klass._control_server_formats.append(format)
1766
def _set_default_format(klass, format):
1767
"""Set default format (for testing behavior of defaults only)"""
1768
klass._default_format = format
1772
return self.get_format_string().rstrip()
1775
def unregister_format(klass, format):
1776
del klass._formats[format.get_format_string()]
1779
def unregister_control_format(klass, format):
1780
klass._control_formats.remove(format)
1783
class BzrDirFormat4(BzrDirFormat):
1784
"""Bzr dir format 4.
1786
This format is a combined format for working tree, branch and repository.
1788
- Format 1 working trees [always]
1789
- Format 4 branches [always]
1790
- Format 4 repositories [always]
1792
This format is deprecated: it indexes texts using a text it which is
1793
removed in format 5; write support for this format has been removed.
1796
_lock_class = lockable_files.TransportLock
1798
def get_format_string(self):
1799
"""See BzrDirFormat.get_format_string()."""
1800
return "Bazaar-NG branch, format 0.0.4\n"
1802
def get_format_description(self):
1803
"""See BzrDirFormat.get_format_description()."""
1804
return "All-in-one format 4"
1806
def get_converter(self, format=None):
1807
"""See BzrDirFormat.get_converter()."""
1808
# there is one and only one upgrade path here.
1809
return ConvertBzrDir4To5()
1811
def initialize_on_transport(self, transport):
1812
"""Format 4 branches cannot be created."""
1813
raise errors.UninitializableFormat(self)
1815
def is_supported(self):
1816
"""Format 4 is not supported.
1818
It is not supported because the model changed from 4 to 5 and the
1819
conversion logic is expensive - so doing it on the fly was not
1824
def _open(self, transport):
1825
"""See BzrDirFormat._open."""
1826
return BzrDir4(transport, self)
1828
def __return_repository_format(self):
1829
"""Circular import protection."""
1830
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1831
return RepositoryFormat4()
1832
repository_format = property(__return_repository_format)
1835
class BzrDirFormat5(BzrDirFormat):
1836
"""Bzr control format 5.
1838
This format is a combined format for working tree, branch and repository.
1840
- Format 2 working trees [always]
1841
- Format 4 branches [always]
1842
- Format 5 repositories [always]
1843
Unhashed stores in the repository.
1846
_lock_class = lockable_files.TransportLock
1848
def get_format_string(self):
1849
"""See BzrDirFormat.get_format_string()."""
1850
return "Bazaar-NG branch, format 5\n"
1852
def get_format_description(self):
1853
"""See BzrDirFormat.get_format_description()."""
1854
return "All-in-one format 5"
1856
def get_converter(self, format=None):
1857
"""See BzrDirFormat.get_converter()."""
1858
# there is one and only one upgrade path here.
1859
return ConvertBzrDir5To6()
1861
def _initialize_for_clone(self, url):
1862
return self.initialize_on_transport(get_transport(url), _cloning=True)
1864
def initialize_on_transport(self, transport, _cloning=False):
1865
"""Format 5 dirs always have working tree, branch and repository.
1867
Except when they are being cloned.
1869
from bzrlib.branch import BzrBranchFormat4
1870
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1871
from bzrlib.workingtree import WorkingTreeFormat2
1872
result = (super(BzrDirFormat5, self).initialize_on_transport(transport))
1873
RepositoryFormat5().initialize(result, _internal=True)
1875
branch = BzrBranchFormat4().initialize(result)
1877
WorkingTreeFormat2().initialize(result)
1878
except errors.NotLocalUrl:
1879
# Even though we can't access the working tree, we need to
1880
# create its control files.
1881
WorkingTreeFormat2()._stub_initialize_remote(branch)
1884
def _open(self, transport):
1885
"""See BzrDirFormat._open."""
1886
return BzrDir5(transport, self)
1888
def __return_repository_format(self):
1889
"""Circular import protection."""
1890
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1891
return RepositoryFormat5()
1892
repository_format = property(__return_repository_format)
1895
class BzrDirFormat6(BzrDirFormat):
1896
"""Bzr control format 6.
1898
This format is a combined format for working tree, branch and repository.
1900
- Format 2 working trees [always]
1901
- Format 4 branches [always]
1902
- Format 6 repositories [always]
1905
_lock_class = lockable_files.TransportLock
1907
def get_format_string(self):
1908
"""See BzrDirFormat.get_format_string()."""
1909
return "Bazaar-NG branch, format 6\n"
1911
def get_format_description(self):
1912
"""See BzrDirFormat.get_format_description()."""
1913
return "All-in-one format 6"
1915
def get_converter(self, format=None):
1916
"""See BzrDirFormat.get_converter()."""
1917
# there is one and only one upgrade path here.
1918
return ConvertBzrDir6ToMeta()
1920
def _initialize_for_clone(self, url):
1921
return self.initialize_on_transport(get_transport(url), _cloning=True)
1923
def initialize_on_transport(self, transport, _cloning=False):
1924
"""Format 6 dirs always have working tree, branch and repository.
1926
Except when they are being cloned.
1928
from bzrlib.branch import BzrBranchFormat4
1929
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1930
from bzrlib.workingtree import WorkingTreeFormat2
1931
result = super(BzrDirFormat6, self).initialize_on_transport(transport)
1932
RepositoryFormat6().initialize(result, _internal=True)
1934
branch = BzrBranchFormat4().initialize(result)
1936
WorkingTreeFormat2().initialize(result)
1937
except errors.NotLocalUrl:
1938
# Even though we can't access the working tree, we need to
1939
# create its control files.
1940
WorkingTreeFormat2()._stub_initialize_remote(branch)
1943
def _open(self, transport):
1944
"""See BzrDirFormat._open."""
1945
return BzrDir6(transport, self)
1947
def __return_repository_format(self):
1948
"""Circular import protection."""
1949
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1950
return RepositoryFormat6()
1951
repository_format = property(__return_repository_format)
1954
class BzrDirMetaFormat1(BzrDirFormat):
1955
"""Bzr meta control format 1
1957
This is the first format with split out working tree, branch and repository
1960
- Format 3 working trees [optional]
1961
- Format 5 branches [optional]
1962
- Format 7 repositories [optional]
1965
_lock_class = lockdir.LockDir
1968
self._workingtree_format = None
1969
self._branch_format = None
1971
def __eq__(self, other):
1972
if other.__class__ is not self.__class__:
1974
if other.repository_format != self.repository_format:
1976
if other.workingtree_format != self.workingtree_format:
1980
def __ne__(self, other):
1981
return not self == other
1983
def get_branch_format(self):
1984
if self._branch_format is None:
1985
from bzrlib.branch import BranchFormat
1986
self._branch_format = BranchFormat.get_default_format()
1987
return self._branch_format
1989
def set_branch_format(self, format):
1990
self._branch_format = format
1992
def get_converter(self, format=None):
1993
"""See BzrDirFormat.get_converter()."""
1995
format = BzrDirFormat.get_default_format()
1996
if not isinstance(self, format.__class__):
1997
# converting away from metadir is not implemented
1998
raise NotImplementedError(self.get_converter)
1999
return ConvertMetaToMeta(format)
2001
def get_format_string(self):
2002
"""See BzrDirFormat.get_format_string()."""
2003
return "Bazaar-NG meta directory, format 1\n"
2005
def get_format_description(self):
2006
"""See BzrDirFormat.get_format_description()."""
2007
return "Meta directory format 1"
2009
def _open(self, transport):
2010
"""See BzrDirFormat._open."""
2011
return BzrDirMeta1(transport, self)
2013
def __return_repository_format(self):
2014
"""Circular import protection."""
2015
if getattr(self, '_repository_format', None):
2016
return self._repository_format
2017
from bzrlib.repository import RepositoryFormat
2018
return RepositoryFormat.get_default_format()
2020
def __set_repository_format(self, value):
2021
"""Allow changing the repository format for metadir formats."""
2022
self._repository_format = value
2024
repository_format = property(__return_repository_format, __set_repository_format)
2026
def __get_workingtree_format(self):
2027
if self._workingtree_format is None:
2028
from bzrlib.workingtree import WorkingTreeFormat
2029
self._workingtree_format = WorkingTreeFormat.get_default_format()
2030
return self._workingtree_format
2032
def __set_workingtree_format(self, wt_format):
2033
self._workingtree_format = wt_format
2035
workingtree_format = property(__get_workingtree_format,
2036
__set_workingtree_format)
2039
# Register bzr control format
2040
BzrDirFormat.register_control_format(BzrDirFormat)
2042
# Register bzr formats
2043
BzrDirFormat.register_format(BzrDirFormat4())
2044
BzrDirFormat.register_format(BzrDirFormat5())
2045
BzrDirFormat.register_format(BzrDirFormat6())
2046
__default_format = BzrDirMetaFormat1()
2047
BzrDirFormat.register_format(__default_format)
2048
BzrDirFormat._default_format = __default_format
2051
class Converter(object):
2052
"""Converts a disk format object from one format to another."""
2054
def convert(self, to_convert, pb):
2055
"""Perform the conversion of to_convert, giving feedback via pb.
2057
:param to_convert: The disk object to convert.
2058
:param pb: a progress bar to use for progress information.
2061
def step(self, message):
2062
"""Update the pb by a step."""
2064
self.pb.update(message, self.count, self.total)
2067
class ConvertBzrDir4To5(Converter):
2068
"""Converts format 4 bzr dirs to format 5."""
2071
super(ConvertBzrDir4To5, self).__init__()
2072
self.converted_revs = set()
2073
self.absent_revisions = set()
2077
def convert(self, to_convert, pb):
2078
"""See Converter.convert()."""
2079
self.bzrdir = to_convert
2081
self.pb.note('starting upgrade from format 4 to 5')
2082
if isinstance(self.bzrdir.transport, LocalTransport):
2083
self.bzrdir.get_workingtree_transport(None).delete('stat-cache')
2084
self._convert_to_weaves()
2085
return BzrDir.open(self.bzrdir.root_transport.base)
2087
def _convert_to_weaves(self):
2088
self.pb.note('note: upgrade may be faster if all store files are ungzipped first')
2091
stat = self.bzrdir.transport.stat('weaves')
2092
if not S_ISDIR(stat.st_mode):
2093
self.bzrdir.transport.delete('weaves')
2094
self.bzrdir.transport.mkdir('weaves')
2095
except errors.NoSuchFile:
2096
self.bzrdir.transport.mkdir('weaves')
2097
# deliberately not a WeaveFile as we want to build it up slowly.
2098
self.inv_weave = Weave('inventory')
2099
# holds in-memory weaves for all files
2100
self.text_weaves = {}
2101
self.bzrdir.transport.delete('branch-format')
2102
self.branch = self.bzrdir.open_branch()
2103
self._convert_working_inv()
2104
rev_history = self.branch.revision_history()
2105
# to_read is a stack holding the revisions we still need to process;
2106
# appending to it adds new highest-priority revisions
2107
self.known_revisions = set(rev_history)
2108
self.to_read = rev_history[-1:]
2110
rev_id = self.to_read.pop()
2111
if (rev_id not in self.revisions
2112
and rev_id not in self.absent_revisions):
2113
self._load_one_rev(rev_id)
2115
to_import = self._make_order()
2116
for i, rev_id in enumerate(to_import):
2117
self.pb.update('converting revision', i, len(to_import))
2118
self._convert_one_rev(rev_id)
2120
self._write_all_weaves()
2121
self._write_all_revs()
2122
self.pb.note('upgraded to weaves:')
2123
self.pb.note(' %6d revisions and inventories', len(self.revisions))
2124
self.pb.note(' %6d revisions not present', len(self.absent_revisions))
2125
self.pb.note(' %6d texts', self.text_count)
2126
self._cleanup_spare_files_after_format4()
2127
self.branch._transport.put_bytes(
2129
BzrDirFormat5().get_format_string(),
2130
mode=self.bzrdir._get_file_mode())
2132
def _cleanup_spare_files_after_format4(self):
2133
# FIXME working tree upgrade foo.
2134
for n in 'merged-patches', 'pending-merged-patches':
2136
## assert os.path.getsize(p) == 0
2137
self.bzrdir.transport.delete(n)
2138
except errors.NoSuchFile:
2140
self.bzrdir.transport.delete_tree('inventory-store')
2141
self.bzrdir.transport.delete_tree('text-store')
2143
def _convert_working_inv(self):
2144
inv = xml4.serializer_v4.read_inventory(
2145
self.branch._transport.get('inventory'))
2146
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv, working=True)
2147
self.branch._transport.put_bytes('inventory', new_inv_xml,
2148
mode=self.bzrdir._get_file_mode())
2150
def _write_all_weaves(self):
2151
controlweaves = WeaveStore(self.bzrdir.transport, prefixed=False)
2152
weave_transport = self.bzrdir.transport.clone('weaves')
2153
weaves = WeaveStore(weave_transport, prefixed=False)
2154
transaction = WriteTransaction()
2158
for file_id, file_weave in self.text_weaves.items():
2159
self.pb.update('writing weave', i, len(self.text_weaves))
2160
weaves._put_weave(file_id, file_weave, transaction)
2162
self.pb.update('inventory', 0, 1)
2163
controlweaves._put_weave('inventory', self.inv_weave, transaction)
2164
self.pb.update('inventory', 1, 1)
2168
def _write_all_revs(self):
2169
"""Write all revisions out in new form."""
2170
self.bzrdir.transport.delete_tree('revision-store')
2171
self.bzrdir.transport.mkdir('revision-store')
2172
revision_transport = self.bzrdir.transport.clone('revision-store')
2174
from bzrlib.xml5 import serializer_v5
2175
from bzrlib.repofmt.weaverepo import RevisionTextStore
2176
revision_store = RevisionTextStore(revision_transport,
2177
serializer_v5, False, versionedfile.PrefixMapper(),
2178
lambda:True, lambda:True)
2180
for i, rev_id in enumerate(self.converted_revs):
2181
self.pb.update('write revision', i, len(self.converted_revs))
2182
text = serializer_v5.write_revision_to_string(
2183
self.revisions[rev_id])
2185
revision_store.add_lines(key, None, osutils.split_lines(text))
2189
def _load_one_rev(self, rev_id):
2190
"""Load a revision object into memory.
2192
Any parents not either loaded or abandoned get queued to be
2194
self.pb.update('loading revision',
2195
len(self.revisions),
2196
len(self.known_revisions))
2197
if not self.branch.repository.has_revision(rev_id):
2199
self.pb.note('revision {%s} not present in branch; '
2200
'will be converted as a ghost',
2202
self.absent_revisions.add(rev_id)
2204
rev = self.branch.repository.get_revision(rev_id)
2205
for parent_id in rev.parent_ids:
2206
self.known_revisions.add(parent_id)
2207
self.to_read.append(parent_id)
2208
self.revisions[rev_id] = rev
2210
def _load_old_inventory(self, rev_id):
2211
old_inv_xml = self.branch.repository.inventory_store.get(rev_id).read()
2212
inv = xml4.serializer_v4.read_inventory_from_string(old_inv_xml)
2213
inv.revision_id = rev_id
2214
rev = self.revisions[rev_id]
2217
def _load_updated_inventory(self, rev_id):
2218
inv_xml = self.inv_weave.get_text(rev_id)
2219
inv = xml5.serializer_v5.read_inventory_from_string(inv_xml, rev_id)
2222
def _convert_one_rev(self, rev_id):
2223
"""Convert revision and all referenced objects to new format."""
2224
rev = self.revisions[rev_id]
2225
inv = self._load_old_inventory(rev_id)
2226
present_parents = [p for p in rev.parent_ids
2227
if p not in self.absent_revisions]
2228
self._convert_revision_contents(rev, inv, present_parents)
2229
self._store_new_inv(rev, inv, present_parents)
2230
self.converted_revs.add(rev_id)
2232
def _store_new_inv(self, rev, inv, present_parents):
2233
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
2234
new_inv_sha1 = sha_string(new_inv_xml)
2235
self.inv_weave.add_lines(rev.revision_id,
2237
new_inv_xml.splitlines(True))
2238
rev.inventory_sha1 = new_inv_sha1
2240
def _convert_revision_contents(self, rev, inv, present_parents):
2241
"""Convert all the files within a revision.
2243
Also upgrade the inventory to refer to the text revision ids."""
2244
rev_id = rev.revision_id
2245
mutter('converting texts of revision {%s}',
2247
parent_invs = map(self._load_updated_inventory, present_parents)
2248
entries = inv.iter_entries()
2250
for path, ie in entries:
2251
self._convert_file_version(rev, ie, parent_invs)
2253
def _convert_file_version(self, rev, ie, parent_invs):
2254
"""Convert one version of one file.
2256
The file needs to be added into the weave if it is a merge
2257
of >=2 parents or if it's changed from its parent.
2259
file_id = ie.file_id
2260
rev_id = rev.revision_id
2261
w = self.text_weaves.get(file_id)
2264
self.text_weaves[file_id] = w
2265
text_changed = False
2266
parent_candiate_entries = ie.parent_candidates(parent_invs)
2267
heads = graph.Graph(self).heads(parent_candiate_entries.keys())
2268
# XXX: Note that this is unordered - and this is tolerable because
2269
# the previous code was also unordered.
2270
previous_entries = dict((head, parent_candiate_entries[head]) for head
2272
self.snapshot_ie(previous_entries, ie, w, rev_id)
2275
@symbol_versioning.deprecated_method(symbol_versioning.one_one)
2276
def get_parents(self, revision_ids):
2277
for revision_id in revision_ids:
2278
yield self.revisions[revision_id].parent_ids
2280
def get_parent_map(self, revision_ids):
2281
"""See graph._StackedParentsProvider.get_parent_map"""
2282
return dict((revision_id, self.revisions[revision_id])
2283
for revision_id in revision_ids
2284
if revision_id in self.revisions)
2286
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
2287
# TODO: convert this logic, which is ~= snapshot to
2288
# a call to:. This needs the path figured out. rather than a work_tree
2289
# a v4 revision_tree can be given, or something that looks enough like
2290
# one to give the file content to the entry if it needs it.
2291
# and we need something that looks like a weave store for snapshot to
2293
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
2294
if len(previous_revisions) == 1:
2295
previous_ie = previous_revisions.values()[0]
2296
if ie._unchanged(previous_ie):
2297
ie.revision = previous_ie.revision
2300
text = self.branch.repository._text_store.get(ie.text_id)
2301
file_lines = text.readlines()
2302
w.add_lines(rev_id, previous_revisions, file_lines)
2303
self.text_count += 1
2305
w.add_lines(rev_id, previous_revisions, [])
2306
ie.revision = rev_id
2308
def _make_order(self):
2309
"""Return a suitable order for importing revisions.
2311
The order must be such that an revision is imported after all
2312
its (present) parents.
2314
todo = set(self.revisions.keys())
2315
done = self.absent_revisions.copy()
2318
# scan through looking for a revision whose parents
2320
for rev_id in sorted(list(todo)):
2321
rev = self.revisions[rev_id]
2322
parent_ids = set(rev.parent_ids)
2323
if parent_ids.issubset(done):
2324
# can take this one now
2325
order.append(rev_id)
2331
class ConvertBzrDir5To6(Converter):
2332
"""Converts format 5 bzr dirs to format 6."""
2334
def convert(self, to_convert, pb):
2335
"""See Converter.convert()."""
2336
self.bzrdir = to_convert
2338
self.pb.note('starting upgrade from format 5 to 6')
2339
self._convert_to_prefixed()
2340
return BzrDir.open(self.bzrdir.root_transport.base)
2342
def _convert_to_prefixed(self):
2343
from bzrlib.store import TransportStore
2344
self.bzrdir.transport.delete('branch-format')
2345
for store_name in ["weaves", "revision-store"]:
2346
self.pb.note("adding prefixes to %s" % store_name)
2347
store_transport = self.bzrdir.transport.clone(store_name)
2348
store = TransportStore(store_transport, prefixed=True)
2349
for urlfilename in store_transport.list_dir('.'):
2350
filename = urlutils.unescape(urlfilename)
2351
if (filename.endswith(".weave") or
2352
filename.endswith(".gz") or
2353
filename.endswith(".sig")):
2354
file_id, suffix = os.path.splitext(filename)
2358
new_name = store._mapper.map((file_id,)) + suffix
2359
# FIXME keep track of the dirs made RBC 20060121
2361
store_transport.move(filename, new_name)
2362
except errors.NoSuchFile: # catches missing dirs strangely enough
2363
store_transport.mkdir(osutils.dirname(new_name))
2364
store_transport.move(filename, new_name)
2365
self.bzrdir.transport.put_bytes(
2367
BzrDirFormat6().get_format_string(),
2368
mode=self.bzrdir._get_file_mode())
2371
class ConvertBzrDir6ToMeta(Converter):
2372
"""Converts format 6 bzr dirs to metadirs."""
2374
def convert(self, to_convert, pb):
2375
"""See Converter.convert()."""
2376
from bzrlib.repofmt.weaverepo import RepositoryFormat7
2377
from bzrlib.branch import BzrBranchFormat5
2378
self.bzrdir = to_convert
2381
self.total = 20 # the steps we know about
2382
self.garbage_inventories = []
2383
self.dir_mode = self.bzrdir._get_dir_mode()
2384
self.file_mode = self.bzrdir._get_file_mode()
2386
self.pb.note('starting upgrade from format 6 to metadir')
2387
self.bzrdir.transport.put_bytes(
2389
"Converting to format 6",
2390
mode=self.file_mode)
2391
# its faster to move specific files around than to open and use the apis...
2392
# first off, nuke ancestry.weave, it was never used.
2394
self.step('Removing ancestry.weave')
2395
self.bzrdir.transport.delete('ancestry.weave')
2396
except errors.NoSuchFile:
2398
# find out whats there
2399
self.step('Finding branch files')
2400
last_revision = self.bzrdir.open_branch().last_revision()
2401
bzrcontents = self.bzrdir.transport.list_dir('.')
2402
for name in bzrcontents:
2403
if name.startswith('basis-inventory.'):
2404
self.garbage_inventories.append(name)
2405
# create new directories for repository, working tree and branch
2406
repository_names = [('inventory.weave', True),
2407
('revision-store', True),
2409
self.step('Upgrading repository ')
2410
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
2411
self.make_lock('repository')
2412
# we hard code the formats here because we are converting into
2413
# the meta format. The meta format upgrader can take this to a
2414
# future format within each component.
2415
self.put_format('repository', RepositoryFormat7())
2416
for entry in repository_names:
2417
self.move_entry('repository', entry)
2419
self.step('Upgrading branch ')
2420
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
2421
self.make_lock('branch')
2422
self.put_format('branch', BzrBranchFormat5())
2423
branch_files = [('revision-history', True),
2424
('branch-name', True),
2426
for entry in branch_files:
2427
self.move_entry('branch', entry)
2429
checkout_files = [('pending-merges', True),
2430
('inventory', True),
2431
('stat-cache', False)]
2432
# If a mandatory checkout file is not present, the branch does not have
2433
# a functional checkout. Do not create a checkout in the converted
2435
for name, mandatory in checkout_files:
2436
if mandatory and name not in bzrcontents:
2437
has_checkout = False
2441
if not has_checkout:
2442
self.pb.note('No working tree.')
2443
# If some checkout files are there, we may as well get rid of them.
2444
for name, mandatory in checkout_files:
2445
if name in bzrcontents:
2446
self.bzrdir.transport.delete(name)
2448
from bzrlib.workingtree import WorkingTreeFormat3
2449
self.step('Upgrading working tree')
2450
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
2451
self.make_lock('checkout')
2453
'checkout', WorkingTreeFormat3())
2454
self.bzrdir.transport.delete_multi(
2455
self.garbage_inventories, self.pb)
2456
for entry in checkout_files:
2457
self.move_entry('checkout', entry)
2458
if last_revision is not None:
2459
self.bzrdir.transport.put_bytes(
2460
'checkout/last-revision', last_revision)
2461
self.bzrdir.transport.put_bytes(
2463
BzrDirMetaFormat1().get_format_string(),
2464
mode=self.file_mode)
2465
return BzrDir.open(self.bzrdir.root_transport.base)
2467
def make_lock(self, name):
2468
"""Make a lock for the new control dir name."""
2469
self.step('Make %s lock' % name)
2470
ld = lockdir.LockDir(self.bzrdir.transport,
2472
file_modebits=self.file_mode,
2473
dir_modebits=self.dir_mode)
2476
def move_entry(self, new_dir, entry):
2477
"""Move then entry name into new_dir."""
2479
mandatory = entry[1]
2480
self.step('Moving %s' % name)
2482
self.bzrdir.transport.move(name, '%s/%s' % (new_dir, name))
2483
except errors.NoSuchFile:
2487
def put_format(self, dirname, format):
2488
self.bzrdir.transport.put_bytes('%s/format' % dirname,
2489
format.get_format_string(),
2493
class ConvertMetaToMeta(Converter):
2494
"""Converts the components of metadirs."""
2496
def __init__(self, target_format):
2497
"""Create a metadir to metadir converter.
2499
:param target_format: The final metadir format that is desired.
2501
self.target_format = target_format
2503
def convert(self, to_convert, pb):
2504
"""See Converter.convert()."""
2505
self.bzrdir = to_convert
2509
self.step('checking repository format')
2511
repo = self.bzrdir.open_repository()
2512
except errors.NoRepositoryPresent:
2515
if not isinstance(repo._format, self.target_format.repository_format.__class__):
2516
from bzrlib.repository import CopyConverter
2517
self.pb.note('starting repository conversion')
2518
converter = CopyConverter(self.target_format.repository_format)
2519
converter.convert(repo, pb)
2521
branch = self.bzrdir.open_branch()
2522
except errors.NotBranchError:
2525
# TODO: conversions of Branch and Tree should be done by
2526
# InterXFormat lookups/some sort of registry.
2527
# Avoid circular imports
2528
from bzrlib import branch as _mod_branch
2529
old = branch._format.__class__
2530
new = self.target_format.get_branch_format().__class__
2532
if (old == _mod_branch.BzrBranchFormat5 and
2533
new in (_mod_branch.BzrBranchFormat6,
2534
_mod_branch.BzrBranchFormat7)):
2535
branch_converter = _mod_branch.Converter5to6()
2536
elif (old == _mod_branch.BzrBranchFormat6 and
2537
new == _mod_branch.BzrBranchFormat7):
2538
branch_converter = _mod_branch.Converter6to7()
2540
raise errors.BadConversionTarget("No converter", new)
2541
branch_converter.convert(branch)
2542
branch = self.bzrdir.open_branch()
2543
old = branch._format.__class__
2545
tree = self.bzrdir.open_workingtree(recommend_upgrade=False)
2546
except (errors.NoWorkingTree, errors.NotLocalUrl):
2549
# TODO: conversions of Branch and Tree should be done by
2550
# InterXFormat lookups
2551
if (isinstance(tree, workingtree.WorkingTree3) and
2552
not isinstance(tree, workingtree_4.WorkingTree4) and
2553
isinstance(self.target_format.workingtree_format,
2554
workingtree_4.WorkingTreeFormat4)):
2555
workingtree_4.Converter3to4().convert(tree)
2556
if (isinstance(tree, workingtree_4.WorkingTree4) and
2557
not isinstance(tree, workingtree_5.WorkingTree5) and
2558
isinstance(self.target_format.workingtree_format,
2559
workingtree_5.WorkingTreeFormat5)):
2560
workingtree_5.Converter4to5().convert(tree)
2564
# This is not in remote.py because it's small, and needs to be registered.
2565
# Putting it in remote.py creates a circular import problem.
2566
# we can make it a lazy object if the control formats is turned into something
2568
class RemoteBzrDirFormat(BzrDirMetaFormat1):
2569
"""Format representing bzrdirs accessed via a smart server"""
2571
def get_format_description(self):
2572
return 'bzr remote bzrdir'
2575
def probe_transport(klass, transport):
2576
"""Return a RemoteBzrDirFormat object if it looks possible."""
2578
medium = transport.get_smart_medium()
2579
except (NotImplementedError, AttributeError,
2580
errors.TransportNotPossible, errors.NoSmartMedium,
2581
errors.SmartProtocolError):
2582
# no smart server, so not a branch for this format type.
2583
raise errors.NotBranchError(path=transport.base)
2585
# Decline to open it if the server doesn't support our required
2586
# version (3) so that the VFS-based transport will do it.
2587
if medium.should_probe():
2589
server_version = medium.protocol_version()
2590
except errors.SmartProtocolError:
2591
# Apparently there's no usable smart server there, even though
2592
# the medium supports the smart protocol.
2593
raise errors.NotBranchError(path=transport.base)
2594
if server_version != '2':
2595
raise errors.NotBranchError(path=transport.base)
2598
def initialize_on_transport(self, transport):
2600
# hand off the request to the smart server
2601
client_medium = transport.get_smart_medium()
2602
except errors.NoSmartMedium:
2603
# TODO: lookup the local format from a server hint.
2604
local_dir_format = BzrDirMetaFormat1()
2605
return local_dir_format.initialize_on_transport(transport)
2606
client = _SmartClient(client_medium)
2607
path = client.remote_path_from_transport(transport)
2608
response = client.call('BzrDirFormat.initialize', path)
2609
if response[0] != 'ok':
2610
raise errors.SmartProtocolError('unexpected response code %s' % (response,))
2611
return remote.RemoteBzrDir(transport)
2613
def _open(self, transport):
2614
return remote.RemoteBzrDir(transport)
2616
def __eq__(self, other):
2617
if not isinstance(other, RemoteBzrDirFormat):
2619
return self.get_format_description() == other.get_format_description()
2622
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
2625
class BzrDirFormatInfo(object):
2627
def __init__(self, native, deprecated, hidden, experimental):
2628
self.deprecated = deprecated
2629
self.native = native
2630
self.hidden = hidden
2631
self.experimental = experimental
2634
class BzrDirFormatRegistry(registry.Registry):
2635
"""Registry of user-selectable BzrDir subformats.
2637
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
2638
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
2642
"""Create a BzrDirFormatRegistry."""
2643
self._aliases = set()
2644
super(BzrDirFormatRegistry, self).__init__()
2647
"""Return a set of the format names which are aliases."""
2648
return frozenset(self._aliases)
2650
def register_metadir(self, key,
2651
repository_format, help, native=True, deprecated=False,
2657
"""Register a metadir subformat.
2659
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2660
by the Repository format.
2662
:param repository_format: The fully-qualified repository format class
2664
:param branch_format: Fully-qualified branch format class name as
2666
:param tree_format: Fully-qualified tree format class name as
2669
# This should be expanded to support setting WorkingTree and Branch
2670
# formats, once BzrDirMetaFormat1 supports that.
2671
def _load(full_name):
2672
mod_name, factory_name = full_name.rsplit('.', 1)
2674
mod = __import__(mod_name, globals(), locals(),
2676
except ImportError, e:
2677
raise ImportError('failed to load %s: %s' % (full_name, e))
2679
factory = getattr(mod, factory_name)
2680
except AttributeError:
2681
raise AttributeError('no factory %s in module %r'
2686
bd = BzrDirMetaFormat1()
2687
if branch_format is not None:
2688
bd.set_branch_format(_load(branch_format))
2689
if tree_format is not None:
2690
bd.workingtree_format = _load(tree_format)
2691
if repository_format is not None:
2692
bd.repository_format = _load(repository_format)
2694
self.register(key, helper, help, native, deprecated, hidden,
2695
experimental, alias)
2697
def register(self, key, factory, help, native=True, deprecated=False,
2698
hidden=False, experimental=False, alias=False):
2699
"""Register a BzrDirFormat factory.
2701
The factory must be a callable that takes one parameter: the key.
2702
It must produce an instance of the BzrDirFormat when called.
2704
This function mainly exists to prevent the info object from being
2707
registry.Registry.register(self, key, factory, help,
2708
BzrDirFormatInfo(native, deprecated, hidden, experimental))
2710
self._aliases.add(key)
2712
def register_lazy(self, key, module_name, member_name, help, native=True,
2713
deprecated=False, hidden=False, experimental=False, alias=False):
2714
registry.Registry.register_lazy(self, key, module_name, member_name,
2715
help, BzrDirFormatInfo(native, deprecated, hidden, experimental))
2717
self._aliases.add(key)
2719
def set_default(self, key):
2720
"""Set the 'default' key to be a clone of the supplied key.
2722
This method must be called once and only once.
2724
registry.Registry.register(self, 'default', self.get(key),
2725
self.get_help(key), info=self.get_info(key))
2726
self._aliases.add('default')
2728
def set_default_repository(self, key):
2729
"""Set the FormatRegistry default and Repository default.
2731
This is a transitional method while Repository.set_default_format
2734
if 'default' in self:
2735
self.remove('default')
2736
self.set_default(key)
2737
format = self.get('default')()
2739
def make_bzrdir(self, key):
2740
return self.get(key)()
2742
def help_topic(self, topic):
2743
output = textwrap.dedent("""\
2744
These formats can be used for creating branches, working trees, and
2748
default_realkey = None
2749
default_help = self.get_help('default')
2751
for key in self.keys():
2752
if key == 'default':
2754
help = self.get_help(key)
2755
if help == default_help:
2756
default_realkey = key
2758
help_pairs.append((key, help))
2760
def wrapped(key, help, info):
2762
help = '(native) ' + help
2763
return ':%s:\n%s\n\n' % (key,
2764
textwrap.fill(help, initial_indent=' ',
2765
subsequent_indent=' '))
2766
if default_realkey is not None:
2767
output += wrapped(default_realkey, '(default) %s' % default_help,
2768
self.get_info('default'))
2769
deprecated_pairs = []
2770
experimental_pairs = []
2771
for key, help in help_pairs:
2772
info = self.get_info(key)
2775
elif info.deprecated:
2776
deprecated_pairs.append((key, help))
2777
elif info.experimental:
2778
experimental_pairs.append((key, help))
2780
output += wrapped(key, help, info)
2781
if len(experimental_pairs) > 0:
2782
output += "Experimental formats are shown below.\n\n"
2783
for key, help in experimental_pairs:
2784
info = self.get_info(key)
2785
output += wrapped(key, help, info)
2786
if len(deprecated_pairs) > 0:
2787
output += "Deprecated formats are shown below.\n\n"
2788
for key, help in deprecated_pairs:
2789
info = self.get_info(key)
2790
output += wrapped(key, help, info)
2795
class RepositoryAcquisitionPolicy(object):
2796
"""Abstract base class for repository acquisition policies.
2798
A repository acquisition policy decides how a BzrDir acquires a repository
2799
for a branch that is being created. The most basic policy decision is
2800
whether to create a new repository or use an existing one.
2802
def __init__(self, stack_on, stack_on_pwd, require_stacking):
2805
:param stack_on: A location to stack on
2806
:param stack_on_pwd: If stack_on is relative, the location it is
2808
:param require_stacking: If True, it is a failure to not stack.
2810
self._stack_on = stack_on
2811
self._stack_on_pwd = stack_on_pwd
2812
self._require_stacking = require_stacking
2814
def configure_branch(self, branch):
2815
"""Apply any configuration data from this policy to the branch.
2817
Default implementation sets repository stacking.
2819
if self._stack_on is None:
2821
if self._stack_on_pwd is None:
2822
stack_on = self._stack_on
2825
stack_on = urlutils.rebase_url(self._stack_on,
2827
branch.bzrdir.root_transport.base)
2828
except errors.InvalidRebaseURLs:
2829
stack_on = self._get_full_stack_on()
2831
branch.set_stacked_on_url(stack_on)
2832
except errors.UnstackableBranchFormat:
2833
if self._require_stacking:
2836
def _get_full_stack_on(self):
2837
"""Get a fully-qualified URL for the stack_on location."""
2838
if self._stack_on is None:
2840
if self._stack_on_pwd is None:
2841
return self._stack_on
2843
return urlutils.join(self._stack_on_pwd, self._stack_on)
2845
def _add_fallback(self, repository):
2846
"""Add a fallback to the supplied repository, if stacking is set."""
2847
stack_on = self._get_full_stack_on()
2848
if stack_on is None:
2850
stacked_dir = BzrDir.open(stack_on)
2852
stacked_repo = stacked_dir.open_branch().repository
2853
except errors.NotBranchError:
2854
stacked_repo = stacked_dir.open_repository()
2856
repository.add_fallback_repository(stacked_repo)
2857
except errors.UnstackableRepositoryFormat:
2858
if self._require_stacking:
2861
def acquire_repository(self, make_working_trees=None, shared=False):
2862
"""Acquire a repository for this bzrdir.
2864
Implementations may create a new repository or use a pre-exising
2866
:param make_working_trees: If creating a repository, set
2867
make_working_trees to this value (if non-None)
2868
:param shared: If creating a repository, make it shared if True
2869
:return: A repository
2871
raise NotImplemented(RepositoryAcquisitionPolicy.acquire_repository)
2874
class CreateRepository(RepositoryAcquisitionPolicy):
2875
"""A policy of creating a new repository"""
2877
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
2878
require_stacking=False):
2881
:param bzrdir: The bzrdir to create the repository on.
2882
:param stack_on: A location to stack on
2883
:param stack_on_pwd: If stack_on is relative, the location it is
2886
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2888
self._bzrdir = bzrdir
2890
def acquire_repository(self, make_working_trees=None, shared=False):
2891
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2893
Creates the desired repository in the bzrdir we already have.
2895
if self._stack_on or self._require_stacking:
2896
# we may be coming from a format that doesn't support stacking,
2897
# but we require it in the destination, so force creation of a new
2900
# TODO: perhaps this should be treated as a distinct repository
2901
# acquisition policy?
2902
repository_format = self._bzrdir._format.repository_format
2903
if not repository_format.supports_external_lookups:
2904
# should possibly be controlled by the registry rather than
2906
from bzrlib.repofmt import pack_repo
2907
if repository_format.rich_root_data:
2908
repository_format = \
2909
pack_repo.RepositoryFormatKnitPack5RichRoot()
2911
repository_format = pack_repo.RepositoryFormatKnitPack5()
2912
note("using %r for stacking" % (repository_format,))
2913
repository = repository_format.initialize(self._bzrdir,
2917
repository = self._bzrdir.create_repository(shared=shared)
2918
self._add_fallback(repository)
2919
if make_working_trees is not None:
2920
repository.set_make_working_trees(make_working_trees)
2924
class UseExistingRepository(RepositoryAcquisitionPolicy):
2925
"""A policy of reusing an existing repository"""
2927
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
2928
require_stacking=False):
2931
:param repository: The repository to use.
2932
:param stack_on: A location to stack on
2933
:param stack_on_pwd: If stack_on is relative, the location it is
2936
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2938
self._repository = repository
2940
def acquire_repository(self, make_working_trees=None, shared=False):
2941
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2943
Returns an existing repository to use
2945
self._add_fallback(self._repository)
2946
return self._repository
2949
format_registry = BzrDirFormatRegistry()
2950
format_registry.register('weave', BzrDirFormat6,
2951
'Pre-0.8 format. Slower than knit and does not'
2952
' support checkouts or shared repositories.',
2954
format_registry.register_metadir('knit',
2955
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2956
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
2957
branch_format='bzrlib.branch.BzrBranchFormat5',
2958
tree_format='bzrlib.workingtree.WorkingTreeFormat3')
2959
format_registry.register_metadir('metaweave',
2960
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
2961
'Transitional format in 0.8. Slower than knit.',
2962
branch_format='bzrlib.branch.BzrBranchFormat5',
2963
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
2965
format_registry.register_metadir('dirstate',
2966
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2967
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
2968
'above when accessed over the network.',
2969
branch_format='bzrlib.branch.BzrBranchFormat5',
2970
# this uses bzrlib.workingtree.WorkingTreeFormat4 because importing
2971
# directly from workingtree_4 triggers a circular import.
2972
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2974
format_registry.register_metadir('dirstate-tags',
2975
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2976
help='New in 0.15: Fast local operations and improved scaling for '
2977
'network operations. Additionally adds support for tags.'
2978
' Incompatible with bzr < 0.15.',
2979
branch_format='bzrlib.branch.BzrBranchFormat6',
2980
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2982
format_registry.register_metadir('rich-root',
2983
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
2984
help='New in 1.0. Better handling of tree roots. Incompatible with'
2986
branch_format='bzrlib.branch.BzrBranchFormat6',
2987
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2989
format_registry.register_metadir('dirstate-with-subtree',
2990
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
2991
help='New in 0.15: Fast local operations and improved scaling for '
2992
'network operations. Additionally adds support for versioning nested '
2993
'bzr branches. Incompatible with bzr < 0.15.',
2994
branch_format='bzrlib.branch.BzrBranchFormat6',
2995
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2999
format_registry.register_metadir('pack-0.92',
3000
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack1',
3001
help='New in 0.92: Pack-based format with data compatible with '
3002
'dirstate-tags format repositories. Interoperates with '
3003
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3004
'Previously called knitpack-experimental. '
3005
'For more information, see '
3006
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3007
branch_format='bzrlib.branch.BzrBranchFormat6',
3008
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3010
format_registry.register_metadir('pack-0.92-subtree',
3011
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack3',
3012
help='New in 0.92: Pack-based format with data compatible with '
3013
'dirstate-with-subtree format repositories. Interoperates with '
3014
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3015
'Previously called knitpack-experimental. '
3016
'For more information, see '
3017
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3018
branch_format='bzrlib.branch.BzrBranchFormat6',
3019
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3023
format_registry.register_metadir('rich-root-pack',
3024
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack4',
3025
help='New in 1.0: Pack-based format with data compatible with '
3026
'rich-root format repositories. Incompatible with'
3028
branch_format='bzrlib.branch.BzrBranchFormat6',
3029
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3031
format_registry.register_metadir('1.6',
3032
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5',
3033
help='A branch and pack based repository that supports stacking. ',
3034
branch_format='bzrlib.branch.BzrBranchFormat7',
3035
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3037
format_registry.register_metadir('1.6-rich-root',
3038
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5RichRoot',
3039
help='A branch and pack based repository that supports stacking '
3040
'and rich root data (needed for bzr-svn). ',
3041
branch_format='bzrlib.branch.BzrBranchFormat7',
3042
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3044
# The following two formats should always just be aliases.
3045
format_registry.register_metadir('development',
3046
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1',
3047
help='Current development format. Can convert data to and from pack-0.92 '
3048
'(and anything compatible with pack-0.92) format repositories. '
3049
'Repositories and branches in this format can only be read by bzr.dev. '
3051
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3053
branch_format='bzrlib.branch.BzrBranchFormat7',
3054
tree_format='bzrlib.workingtree_5.WorkingTreeFormat5',
3058
format_registry.register_metadir('development-subtree',
3059
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1Subtree',
3060
help='Current development format, subtree variant. Can convert data to and '
3061
'from pack-0.92-subtree (and anything compatible with '
3062
'pack-0.92-subtree) format repositories. Repositories and branches in '
3063
'this format can only be read by bzr.dev. Please read '
3064
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3066
branch_format='bzrlib.branch.BzrBranchFormat7',
3067
tree_format='bzrlib.workingtree_5.WorkingTreeFormat5',
3071
# And the development formats which the will have aliased one of follow:
3072
format_registry.register_metadir('development0',
3073
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0',
3074
help='Trivial rename of pack-0.92 to provide a development format. '
3076
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3078
branch_format='bzrlib.branch.BzrBranchFormat6',
3079
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3083
format_registry.register_metadir('development0-subtree',
3084
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0Subtree',
3085
help='Trivial rename of pack-0.92-subtree to provide a development format. '
3087
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3089
branch_format='bzrlib.branch.BzrBranchFormat6',
3090
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3094
format_registry.register_metadir('development1',
3095
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1',
3096
help='A branch and pack based repository that supports stacking. '
3098
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3100
branch_format='bzrlib.branch.BzrBranchFormat7',
3101
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3105
format_registry.register_metadir('development1-subtree',
3106
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1Subtree',
3107
help='A branch and pack based repository that supports stacking. '
3109
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3111
branch_format='bzrlib.branch.BzrBranchFormat7',
3112
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3116
format_registry.register_metadir('development2',
3117
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1',
3118
help='A format that supports stacking, filtered views and content filters. '
3120
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3122
branch_format='bzrlib.branch.BzrBranchFormat7',
3123
tree_format='bzrlib.workingtree_5.WorkingTreeFormat5',
3127
format_registry.register_metadir('development2-subtree',
3128
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment1Subtree',
3129
help='A format that supports stacking, filtered views and content filters. '
3131
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3133
branch_format='bzrlib.branch.BzrBranchFormat7',
3134
tree_format='bzrlib.workingtree_5.WorkingTreeFormat5',
3138
# The current format that is made on 'bzr init'.
3139
format_registry.set_default('pack-0.92')
added
removed
bzrlib/bzrdir.py
