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# Copyright (C) 2006-2011 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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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from __future__ import absolute_import
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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branch as _mod_branch,
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revision as _mod_revision,
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transport as _mod_transport,
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from bzrlib.branchfmt import fullhistory as fullhistorybranch
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from bzrlib.repofmt import knitpack_repo
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from bzrlib.transport import (
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do_catching_redirections,
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from bzrlib.i18n import gettext
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from bzrlib.trace import (
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from bzrlib.symbol_versioning import (
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class BzrDir(controldir.ControlDir):
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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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:cvar hooks: An instance of BzrDirHooks.
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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 check_conversion_target(self, target_format):
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"""Check that a bzrdir as a whole can be converted to a new format."""
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# The only current restriction is that the repository content can be
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# fetched compatibly with the target.
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target_repo_format = target_format.repository_format
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self.open_repository()._format.check_conversion_target(
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except errors.NoRepositoryPresent:
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# No repo, no problem.
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def clone_on_transport(self, transport, revision_id=None,
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force_new_repo=False, preserve_stacking=False, stacked_on=None,
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create_prefix=False, use_existing_dir=True, no_tree=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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:param create_prefix: Create any missing directories leading up to
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:param use_existing_dir: Use an existing directory if one exists.
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:param no_tree: If set to true prevents creation of a working tree.
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# Overview: put together a broad description of what we want to end up
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# with; then make as few api calls as possible to do it.
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# We may want to create a repo/branch/tree, if we do so what format
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# would we want for each:
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require_stacking = (stacked_on is not None)
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format = self.cloning_metadir(require_stacking)
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# Figure out what objects we want:
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local_repo = self.find_repository()
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except errors.NoRepositoryPresent:
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local_branch = self.open_branch()
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except errors.NotBranchError:
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# enable fallbacks when branch is not a branch reference
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if local_branch.repository.has_same_location(local_repo):
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local_repo = local_branch.repository
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if preserve_stacking:
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stacked_on = local_branch.get_stacked_on_url()
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except (errors.UnstackableBranchFormat,
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errors.UnstackableRepositoryFormat,
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# Bug: We create a metadir without knowing if it can support stacking,
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# we should look up the policy needs first, or just use it as a hint,
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make_working_trees = local_repo.make_working_trees() and not no_tree
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want_shared = local_repo.is_shared()
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repo_format_name = format.repository_format.network_name()
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make_working_trees = False
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repo_format_name = None
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result_repo, result, require_stacking, repository_policy = \
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format.initialize_on_transport_ex(transport,
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use_existing_dir=use_existing_dir, create_prefix=create_prefix,
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force_new_repo=force_new_repo, stacked_on=stacked_on,
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stack_on_pwd=self.root_transport.base,
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repo_format_name=repo_format_name,
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make_working_trees=make_working_trees, shared_repo=want_shared)
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# If the result repository is in the same place as the
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# resulting bzr dir, it will have no content, further if the
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# result is not stacked then we know all content should be
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# copied, and finally if we are copying up to a specific
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# revision_id then we can use the pending-ancestry-result which
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# does not require traversing all of history to describe it.
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if (result_repo.user_url == result.user_url
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and not require_stacking and
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revision_id is not None):
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fetch_spec = vf_search.PendingAncestryResult(
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[revision_id], local_repo)
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result_repo.fetch(local_repo, fetch_spec=fetch_spec)
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result_repo.fetch(local_repo, revision_id=revision_id)
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if result_repo is not None:
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raise AssertionError('result_repo not None(%r)' % result_repo)
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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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repository_policy=repository_policy)
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# Cheaper to check if the target is not local, than to try making
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result.root_transport.local_abspath('.')
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if result_repo is None or result_repo.make_working_trees():
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self.open_workingtree().clone(result, revision_id=revision_id)
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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 = _mod_transport.get_transport(url)
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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, and the format of
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that repository, or some existing shared 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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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.user_url
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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.user_url != self.user_url
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and not repository.is_shared()):
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# Don't look higher, can't use a higher shared repo.
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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()[0]
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def _find_source_repo(self, add_cleanup, source_branch):
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"""Find the source branch and repo for a sprout operation.
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This is helper intended for use by _sprout.
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:returns: (source_branch, source_repository). Either or both may be
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None. If not None, they will be read-locked (and their unlock(s)
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scheduled via the add_cleanup param).
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if source_branch is not None:
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add_cleanup(source_branch.lock_read().unlock)
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return source_branch, source_branch.repository
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source_branch = self.open_branch()
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source_repository = source_branch.repository
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except errors.NotBranchError:
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source_repository = self.open_repository()
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except errors.NoRepositoryPresent:
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source_repository = None
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add_cleanup(source_repository.lock_read().unlock)
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add_cleanup(source_branch.lock_read().unlock)
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return source_branch, source_repository
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def sprout(self, url, revision_id=None, force_new_repo=False,
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recurse='down', possible_transports=None,
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accelerator_tree=None, hardlink=False, stacked=False,
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source_branch=None, create_tree_if_local=True):
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"""Create a copy of this controldir prepared for use as a new line of
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If url's last component does not exist, it will be created.
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Attributes related to the identity of the source branch like
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branch nickname will be cleaned, a working tree is created
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whether one existed before or not; and a local branch is always
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if revision_id is not None, then the clone operation may tune
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itself to download less data.
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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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:param hardlink: If true, hard-link files from accelerator_tree,
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:param stacked: If true, create a stacked branch referring to the
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location of this control directory.
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:param create_tree_if_local: If true, a working-tree will be created
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when working locally.
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:return: The created control directory
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operation = cleanup.OperationWithCleanups(self._sprout)
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return operation.run(url, revision_id=revision_id,
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force_new_repo=force_new_repo, recurse=recurse,
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possible_transports=possible_transports,
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accelerator_tree=accelerator_tree, hardlink=hardlink,
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stacked=stacked, source_branch=source_branch,
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create_tree_if_local=create_tree_if_local)
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def _sprout(self, op, url, revision_id=None, force_new_repo=False,
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recurse='down', possible_transports=None,
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accelerator_tree=None, hardlink=False, stacked=False,
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source_branch=None, create_tree_if_local=True):
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add_cleanup = op.add_cleanup
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fetch_spec_factory = fetch.FetchSpecFactory()
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if revision_id is not None:
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fetch_spec_factory.add_revision_ids([revision_id])
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fetch_spec_factory.source_branch_stop_revision_id = revision_id
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if possible_transports is None:
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possible_transports = []
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possible_transports = list(possible_transports) + [
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target_transport = _mod_transport.get_transport(url,
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target_transport.ensure_base()
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cloning_format = self.cloning_metadir(stacked)
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# Create/update the result branch
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result = controldir.ControlDir.open_from_transport(target_transport)
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except errors.NotBranchError:
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result = cloning_format.initialize_on_transport(target_transport)
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source_branch, source_repository = self._find_source_repo(
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add_cleanup, source_branch)
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fetch_spec_factory.source_branch = source_branch
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# if a stacked branch wasn't requested, we don't create one
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# even if the origin was stacked
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if stacked and source_branch is not None:
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stacked_branch_url = self.root_transport.base
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stacked_branch_url = None
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repository_policy = result.determine_repository_policy(
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force_new_repo, stacked_branch_url, require_stacking=stacked)
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result_repo, is_new_repo = repository_policy.acquire_repository(
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possible_transports=possible_transports)
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add_cleanup(result_repo.lock_write().unlock)
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fetch_spec_factory.source_repo = source_repository
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fetch_spec_factory.target_repo = result_repo
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if stacked or (len(result_repo._fallback_repositories) != 0):
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target_repo_kind = fetch.TargetRepoKinds.STACKED
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target_repo_kind = fetch.TargetRepoKinds.EMPTY
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target_repo_kind = fetch.TargetRepoKinds.PREEXISTING
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fetch_spec_factory.target_repo_kind = target_repo_kind
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if source_repository is not None:
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fetch_spec = fetch_spec_factory.make_fetch_spec()
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result_repo.fetch(source_repository, fetch_spec=fetch_spec)
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if source_branch is None:
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# this is for sprouting a controldir without a branch; is that
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# Not especially, but it's part of the contract.
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result_branch = result.create_branch()
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result_branch = source_branch.sprout(result,
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revision_id=revision_id, repository_policy=repository_policy,
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repository=result_repo)
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mutter("created new branch %r" % (result_branch,))
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# Create/update the result working tree
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if (create_tree_if_local and not result.has_workingtree() and
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isinstance(target_transport, local.LocalTransport) and
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(result_repo is None or result_repo.make_working_trees())):
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wt = result.create_workingtree(accelerator_tree=accelerator_tree,
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hardlink=hardlink, from_branch=result_branch)
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if wt.path2id('') is None:
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wt.set_root_id(self.open_workingtree.get_root_id())
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except errors.NoWorkingTree:
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if recurse == 'down':
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basis = wt.basis_tree()
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elif result_branch is not None:
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basis = result_branch.basis_tree()
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elif source_branch is not None:
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basis = source_branch.basis_tree()
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if basis is not None:
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add_cleanup(basis.lock_read().unlock)
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subtrees = basis.iter_references()
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for path, file_id in subtrees:
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target = urlutils.join(url, urlutils.escape(path))
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sublocation = source_branch.reference_parent(file_id, path)
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sublocation.bzrdir.sprout(target,
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basis.get_reference_revision(file_id, path),
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force_new_repo=force_new_repo, recurse=recurse,
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def _available_backup_name(self, base):
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"""Find a non-existing backup file name based on base.
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See bzrlib.osutils.available_backup_name about race conditions.
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return osutils.available_backup_name(base, self.root_transport.has)
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def backup_bzrdir(self):
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"""Backup this bzr control directory.
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:return: Tuple with old path name and new path name
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pb = ui.ui_factory.nested_progress_bar()
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old_path = self.root_transport.abspath('.bzr')
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backup_dir = self._available_backup_name('backup.bzr')
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new_path = self.root_transport.abspath(backup_dir)
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ui.ui_factory.note(gettext('making backup of {0}\n to {1}').format(
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urlutils.unescape_for_display(old_path, 'utf-8'),
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urlutils.unescape_for_display(new_path, 'utf-8')))
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self.root_transport.copy_tree('.bzr', backup_dir)
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return (old_path, new_path)
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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(gettext("renamed {0} to {1}").format(
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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 _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.user_url == 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 = self.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.user_url == self.user_url:
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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 _find_creation_modes(self):
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"""Determine the appropriate modes for files and directories.
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They're always set to be consistent with the base directory,
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assuming that this transport allows setting modes.
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# TODO: Do we need or want an option (maybe a config setting) to turn
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# this off or override it for particular locations? -- mbp 20080512
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if self._mode_check_done:
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self._mode_check_done = True
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st = self.transport.stat('.')
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except errors.TransportNotPossible:
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self._dir_mode = None
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self._file_mode = None
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# Check the directory mode, but also make sure the created
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# directories and files are read-write for this user. This is
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# mostly a workaround for filesystems which lie about being able to
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# write to a directory (cygwin & win32)
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if (st.st_mode & 07777 == 00000):
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# FTP allows stat but does not return dir/file modes
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self._dir_mode = None
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self._file_mode = None
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self._dir_mode = (st.st_mode & 07777) | 00700
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# Remove the sticky and execute bits for files
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self._file_mode = self._dir_mode & ~07111
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def _get_file_mode(self):
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"""Return Unix mode for newly created files, or None.
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if not self._mode_check_done:
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self._find_creation_modes()
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return self._file_mode
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def _get_dir_mode(self):
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"""Return Unix mode for newly created directories, or None.
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if not self._mode_check_done:
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self._find_creation_modes()
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return self._dir_mode
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def get_config(self):
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"""Get configuration for this BzrDir."""
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return config.BzrDirConfig(self)
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def _get_config(self):
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"""By default, no configuration is available."""
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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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# these are also under the more standard names of
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# control_transport and user_transport
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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 user_transport(self):
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return self.root_transport
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def control_transport(self):
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return self.transport
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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.
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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 _cloning_metadir(self):
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"""Produce a metadir suitable for cloning with.
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:returns: (destination_bzrdir_format, source_repository)
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result_format = self._format.__class__()
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branch = self.open_branch(ignore_fallbacks=True)
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source_repository = branch.repository
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result_format._branch_format = branch._format
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except errors.NotBranchError:
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source_repository = self.open_repository()
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except errors.NoRepositoryPresent:
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source_repository = None
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# XXX TODO: This isinstance is here because we have not implemented
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# the fix recommended in bug # 103195 - to delegate this choice the
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repo_format = source_repository._format
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if isinstance(repo_format, remote.RemoteRepositoryFormat):
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source_repository._ensure_real()
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repo_format = source_repository._real_repository._format
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result_format.repository_format = repo_format
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# TODO: Couldn't we just probe for the format in these cases,
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# rather than opening the whole tree? It would be a little
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# faster. mbp 20070401
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tree = self.open_workingtree(recommend_upgrade=False)
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except (errors.NoWorkingTree, errors.NotLocalUrl):
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result_format.workingtree_format = None
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result_format.workingtree_format = tree._format.__class__()
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return result_format, source_repository
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def cloning_metadir(self, require_stacking=False):
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"""Produce a metadir suitable for cloning or sprouting with.
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These operations may produce workingtrees (yes, even though they're
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"cloning" something that doesn't have a tree), so a viable workingtree
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format must be selected.
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:require_stacking: If True, non-stackable formats will be upgraded
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to similar stackable formats.
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:returns: a ControlDirFormat with all component formats either set
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appropriately or set to None if that component should not be
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format, repository = self._cloning_metadir()
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if format._workingtree_format is None:
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if repository is None:
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# No repository either
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# We have a repository, so set a working tree? (Why? This seems to
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# contradict the stated return value in the docstring).
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tree_format = repository._format._matchingbzrdir.workingtree_format
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format.workingtree_format = tree_format.__class__()
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format.require_stacking()
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def get_branch_transport(self, branch_format, name=None):
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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
734
IncompatibleFormat if the branch format they are given has
735
a format string, and vice versa.
737
If branch_format is None, the transport is returned with no
738
checking. If it is not None, then the returned transport is
739
guaranteed to point to an existing directory ready for use.
741
raise NotImplementedError(self.get_branch_transport)
743
def get_repository_transport(self, repository_format):
744
"""Get the transport for use by repository format in this BzrDir.
746
Note that bzr dirs that do not support format strings will raise
747
IncompatibleFormat if the repository format they are given has
748
a format string, and vice versa.
750
If repository_format is None, the transport is returned with no
751
checking. If it is not None, then the returned transport is
752
guaranteed to point to an existing directory ready for use.
754
raise NotImplementedError(self.get_repository_transport)
756
def get_workingtree_transport(self, tree_format):
757
"""Get the transport for use by workingtree format in this BzrDir.
759
Note that bzr dirs that do not support format strings will raise
760
IncompatibleFormat if the workingtree format they are given has a
761
format string, and vice versa.
763
If workingtree_format is None, the transport is returned with no
764
checking. If it is not None, then the returned transport is
765
guaranteed to point to an existing directory ready for use.
767
raise NotImplementedError(self.get_workingtree_transport)
770
def create(cls, base, format=None, possible_transports=None):
771
"""Create a new BzrDir at the url 'base'.
773
:param format: If supplied, the format of branch to create. If not
774
supplied, the default is used.
775
:param possible_transports: If supplied, a list of transports that
776
can be reused to share a remote connection.
778
if cls is not BzrDir:
779
raise AssertionError("BzrDir.create always creates the "
780
"default format, not one of %r" % cls)
781
return controldir.ControlDir.create(base, format=format,
782
possible_transports=possible_transports)
785
return "<%s at %r>" % (self.__class__.__name__, self.user_url)
787
def update_feature_flags(self, updated_flags):
788
"""Update the features required by this bzrdir.
790
:param updated_flags: Dictionary mapping feature names to necessities
791
A necessity can be None to indicate the feature should be removed
793
self.control_files.lock_write()
795
self._format._update_feature_flags(updated_flags)
796
self.transport.put_bytes('branch-format', self._format.as_string())
798
self.control_files.unlock()
801
class BzrDirMeta1(BzrDir):
802
"""A .bzr meta version 1 control object.
804
This is the first control object where the
805
individual aspects are really split out: there are separate repository,
806
workingtree and branch subdirectories and any subset of the three can be
807
present within a BzrDir.
810
def _get_branch_path(self, name):
811
"""Obtain the branch path to use.
813
This uses the API specified branch name first, and then falls back to
814
the branch name specified in the URL. If neither of those is specified,
815
it uses the default branch.
817
:param name: Optional branch name to use
818
:return: Relative path to branch
822
return urlutils.join('branches', name.encode("utf-8"))
824
def _read_branch_list(self):
825
"""Read the branch list.
827
:return: List of utf-8 encoded branch names.
830
f = self.control_transport.get('branch-list')
831
except errors.NoSuchFile:
837
ret.append(name.rstrip("\n"))
842
def _write_branch_list(self, branches):
843
"""Write out the branch list.
845
:param branches: List of utf-8 branch names to write
847
self.transport.put_bytes('branch-list',
848
"".join([name+"\n" for name in branches]))
850
def __init__(self, _transport, _format):
851
super(BzrDirMeta1, self).__init__(_transport, _format)
852
self.control_files = lockable_files.LockableFiles(
853
self.control_transport, self._format._lock_file_name,
854
self._format._lock_class)
856
def can_convert_format(self):
857
"""See BzrDir.can_convert_format()."""
860
def create_branch(self, name=None, repository=None,
861
append_revisions_only=None):
862
"""See ControlDir.create_branch."""
864
name = self._get_selected_branch()
865
return self._format.get_branch_format().initialize(self, name=name,
866
repository=repository,
867
append_revisions_only=append_revisions_only)
869
def destroy_branch(self, name=None):
870
"""See ControlDir.destroy_branch."""
872
name = self._get_selected_branch()
873
path = self._get_branch_path(name)
875
self.control_files.lock_write()
877
branches = self._read_branch_list()
879
branches.remove(name.encode("utf-8"))
881
raise errors.NotBranchError(name)
882
self._write_branch_list(branches)
884
self.control_files.unlock()
886
self.transport.delete_tree(path)
887
except errors.NoSuchFile:
888
raise errors.NotBranchError(path=urlutils.join(self.transport.base,
891
def create_repository(self, shared=False):
892
"""See BzrDir.create_repository."""
893
return self._format.repository_format.initialize(self, shared)
895
def destroy_repository(self):
896
"""See BzrDir.destroy_repository."""
898
self.transport.delete_tree('repository')
899
except errors.NoSuchFile:
900
raise errors.NoRepositoryPresent(self)
902
def create_workingtree(self, revision_id=None, from_branch=None,
903
accelerator_tree=None, hardlink=False):
904
"""See BzrDir.create_workingtree."""
905
return self._format.workingtree_format.initialize(
906
self, revision_id, from_branch=from_branch,
907
accelerator_tree=accelerator_tree, hardlink=hardlink)
909
def destroy_workingtree(self):
910
"""See BzrDir.destroy_workingtree."""
911
wt = self.open_workingtree(recommend_upgrade=False)
912
repository = wt.branch.repository
913
empty = repository.revision_tree(_mod_revision.NULL_REVISION)
914
# We ignore the conflicts returned by wt.revert since we're about to
915
# delete the wt metadata anyway, all that should be left here are
916
# detritus. But see bug #634470 about subtree .bzr dirs.
917
conflicts = wt.revert(old_tree=empty)
918
self.destroy_workingtree_metadata()
920
def destroy_workingtree_metadata(self):
921
self.transport.delete_tree('checkout')
923
def find_branch_format(self, name=None):
924
"""Find the branch 'format' for this bzrdir.
926
This might be a synthetic object for e.g. RemoteBranch and SVN.
928
from bzrlib.branch import BranchFormatMetadir
929
return BranchFormatMetadir.find_format(self, name=name)
931
def _get_mkdir_mode(self):
932
"""Figure out the mode to use when creating a bzrdir subdir."""
933
temp_control = lockable_files.LockableFiles(self.transport, '',
934
lockable_files.TransportLock)
935
return temp_control._dir_mode
937
def get_branch_reference(self, name=None):
938
"""See BzrDir.get_branch_reference()."""
939
from bzrlib.branch import BranchFormatMetadir
940
format = BranchFormatMetadir.find_format(self, name=name)
941
return format.get_reference(self, name=name)
943
def set_branch_reference(self, target_branch, name=None):
944
format = _mod_branch.BranchReferenceFormat()
945
return format.initialize(self, target_branch=target_branch, name=name)
947
def get_branch_transport(self, branch_format, name=None):
948
"""See BzrDir.get_branch_transport()."""
950
name = self._get_selected_branch()
951
path = self._get_branch_path(name)
952
# XXX: this shouldn't implicitly create the directory if it's just
953
# promising to get a transport -- mbp 20090727
954
if branch_format is None:
955
return self.transport.clone(path)
957
branch_format.get_format_string()
958
except NotImplementedError:
959
raise errors.IncompatibleFormat(branch_format, self._format)
961
branches = self._read_branch_list()
962
utf8_name = name.encode("utf-8")
963
if not utf8_name in branches:
964
self.control_files.lock_write()
966
branches = self._read_branch_list()
967
dirname = urlutils.dirname(utf8_name)
968
if dirname != "" and dirname in branches:
969
raise errors.ParentBranchExists(name)
971
b.startswith(utf8_name+"/") for b in branches]
972
if any(child_branches):
973
raise errors.AlreadyBranchError(name)
974
branches.append(utf8_name)
975
self._write_branch_list(branches)
977
self.control_files.unlock()
978
branch_transport = self.transport.clone(path)
979
mode = self._get_mkdir_mode()
980
branch_transport.create_prefix(mode=mode)
982
self.transport.mkdir(path, mode=mode)
983
except errors.FileExists:
985
return self.transport.clone(path)
987
def get_repository_transport(self, repository_format):
988
"""See BzrDir.get_repository_transport()."""
989
if repository_format is None:
990
return self.transport.clone('repository')
992
repository_format.get_format_string()
993
except NotImplementedError:
994
raise errors.IncompatibleFormat(repository_format, self._format)
996
self.transport.mkdir('repository', mode=self._get_mkdir_mode())
997
except errors.FileExists:
999
return self.transport.clone('repository')
1001
def get_workingtree_transport(self, workingtree_format):
1002
"""See BzrDir.get_workingtree_transport()."""
1003
if workingtree_format is None:
1004
return self.transport.clone('checkout')
1006
workingtree_format.get_format_string()
1007
except NotImplementedError:
1008
raise errors.IncompatibleFormat(workingtree_format, self._format)
1010
self.transport.mkdir('checkout', mode=self._get_mkdir_mode())
1011
except errors.FileExists:
1013
return self.transport.clone('checkout')
1015
def get_branches(self):
1016
"""See ControlDir.get_branches."""
1019
ret[""] = self.open_branch(name="")
1020
except (errors.NotBranchError, errors.NoRepositoryPresent):
1023
for name in self._read_branch_list():
1024
ret[name] = self.open_branch(name=name.decode('utf-8'))
1028
def has_workingtree(self):
1029
"""Tell if this bzrdir contains a working tree.
1031
Note: if you're going to open the working tree, you should just go
1032
ahead and try, and not ask permission first.
1034
from bzrlib.workingtree import WorkingTreeFormatMetaDir
1036
WorkingTreeFormatMetaDir.find_format_string(self)
1037
except errors.NoWorkingTree:
1041
def needs_format_conversion(self, format):
1042
"""See BzrDir.needs_format_conversion()."""
1043
if (not isinstance(self._format, format.__class__) or
1044
self._format.get_format_string() != format.get_format_string()):
1045
# it is not a meta dir format, conversion is needed.
1047
# we might want to push this down to the repository?
1049
if not isinstance(self.open_repository()._format,
1050
format.repository_format.__class__):
1051
# the repository needs an upgrade.
1053
except errors.NoRepositoryPresent:
1055
for branch in self.list_branches():
1056
if not isinstance(branch._format,
1057
format.get_branch_format().__class__):
1058
# the branch needs an upgrade.
1061
my_wt = self.open_workingtree(recommend_upgrade=False)
1062
if not isinstance(my_wt._format,
1063
format.workingtree_format.__class__):
1064
# the workingtree needs an upgrade.
1066
except (errors.NoWorkingTree, errors.NotLocalUrl):
1070
def open_branch(self, name=None, unsupported=False,
1071
ignore_fallbacks=False, possible_transports=None):
1072
"""See ControlDir.open_branch."""
1074
name = self._get_selected_branch()
1075
format = self.find_branch_format(name=name)
1076
format.check_support_status(unsupported)
1077
return format.open(self, name=name,
1078
_found=True, ignore_fallbacks=ignore_fallbacks,
1079
possible_transports=possible_transports)
1081
def open_repository(self, unsupported=False):
1082
"""See BzrDir.open_repository."""
1083
from bzrlib.repository import RepositoryFormatMetaDir
1084
format = RepositoryFormatMetaDir.find_format(self)
1085
format.check_support_status(unsupported)
1086
return format.open(self, _found=True)
1088
def open_workingtree(self, unsupported=False,
1089
recommend_upgrade=True):
1090
"""See BzrDir.open_workingtree."""
1091
from bzrlib.workingtree import WorkingTreeFormatMetaDir
1092
format = WorkingTreeFormatMetaDir.find_format(self)
1093
format.check_support_status(unsupported, recommend_upgrade,
1094
basedir=self.root_transport.base)
1095
return format.open(self, _found=True)
1097
def _get_config(self):
1098
return config.TransportConfig(self.transport, 'control.conf')
1101
class BzrFormat(object):
1102
"""Base class for all formats of things living in metadirs.
1104
This class manages the format string that is stored in the 'format'
1105
or 'branch-format' file.
1107
All classes for (branch-, repository-, workingtree-) formats that
1108
live in meta directories and have their own 'format' file
1109
(i.e. different from .bzr/branch-format) derive from this class,
1110
as well as the relevant base class for their kind
1111
(BranchFormat, WorkingTreeFormat, RepositoryFormat).
1113
Each format is identified by a "format" or "branch-format" file with a
1114
single line containing the base format name and then an optional list of
1117
Feature flags are supported as of bzr 2.5. Setting feature flags on formats
1118
will render them inaccessible to older versions of bzr.
1120
:ivar features: Dictionary mapping feature names to their necessity
1123
_present_features = set()
1129
def register_feature(cls, name):
1130
"""Register a feature as being present.
1132
:param name: Name of the feature
1135
raise ValueError("spaces are not allowed in feature names")
1136
if name in cls._present_features:
1137
raise errors.FeatureAlreadyRegistered(name)
1138
cls._present_features.add(name)
1141
def unregister_feature(cls, name):
1142
"""Unregister a feature."""
1143
cls._present_features.remove(name)
1145
def check_support_status(self, allow_unsupported, recommend_upgrade=True,
1147
for name, necessity in self.features.iteritems():
1148
if name in self._present_features:
1150
if necessity == "optional":
1151
mutter("ignoring optional missing feature %s", name)
1153
elif necessity == "required":
1154
raise errors.MissingFeature(name)
1156
mutter("treating unknown necessity as require for %s",
1158
raise errors.MissingFeature(name)
1161
def get_format_string(cls):
1162
"""Return the ASCII format string that identifies this format."""
1163
raise NotImplementedError(cls.get_format_string)
1166
def from_string(cls, text):
1167
format_string = cls.get_format_string()
1168
if not text.startswith(format_string):
1169
raise AssertionError("Invalid format header %r for %r" % (text, cls))
1170
lines = text[len(format_string):].splitlines()
1172
for lineno, line in enumerate(lines):
1174
(necessity, feature) = line.split(" ", 1)
1176
raise errors.ParseFormatError(format=cls, lineno=lineno+2,
1177
line=line, text=text)
1178
ret.features[feature] = necessity
1181
def as_string(self):
1182
"""Return the string representation of this format.
1184
lines = [self.get_format_string()]
1185
lines.extend([("%s %s\n" % (item[1], item[0])) for item in
1186
self.features.iteritems()])
1187
return "".join(lines)
1190
def _find_format(klass, registry, kind, format_string):
1192
first_line = format_string[:format_string.index("\n")+1]
1194
first_line = format_string
1196
cls = registry.get(first_line)
1198
raise errors.UnknownFormatError(format=first_line, kind=kind)
1199
return cls.from_string(format_string)
1201
def network_name(self):
1202
"""A simple byte string uniquely identifying this format for RPC calls.
1204
Metadir branch formats use their format string.
1206
return self.as_string()
1208
def __eq__(self, other):
1209
return (self.__class__ is other.__class__ and
1210
self.features == other.features)
1212
def _update_feature_flags(self, updated_flags):
1213
"""Update the feature flags in this format.
1215
:param updated_flags: Updated feature flags
1217
for name, necessity in updated_flags.iteritems():
1218
if necessity is None:
1220
del self.features[name]
1224
self.features[name] = necessity
1227
class BzrProber(controldir.Prober):
1228
"""Prober for formats that use a .bzr/ control directory."""
1230
formats = registry.FormatRegistry(controldir.network_format_registry)
1231
"""The known .bzr formats."""
1234
def probe_transport(klass, transport):
1235
"""Return the .bzrdir style format present in a directory."""
1237
format_string = transport.get_bytes(".bzr/branch-format")
1238
except errors.NoSuchFile:
1239
raise errors.NotBranchError(path=transport.base)
1241
first_line = format_string[:format_string.index("\n")+1]
1243
first_line = format_string
1245
cls = klass.formats.get(first_line)
1247
raise errors.UnknownFormatError(format=first_line, kind='bzrdir')
1248
return cls.from_string(format_string)
1251
def known_formats(cls):
1253
for name, format in cls.formats.iteritems():
1254
if callable(format):
1260
controldir.ControlDirFormat.register_prober(BzrProber)
1263
class RemoteBzrProber(controldir.Prober):
1264
"""Prober for remote servers that provide a Bazaar smart server."""
1267
def probe_transport(klass, transport):
1268
"""Return a RemoteBzrDirFormat object if it looks possible."""
1270
medium = transport.get_smart_medium()
1271
except (NotImplementedError, AttributeError,
1272
errors.TransportNotPossible, errors.NoSmartMedium,
1273
errors.SmartProtocolError):
1274
# no smart server, so not a branch for this format type.
1275
raise errors.NotBranchError(path=transport.base)
1277
# Decline to open it if the server doesn't support our required
1278
# version (3) so that the VFS-based transport will do it.
1279
if medium.should_probe():
1281
server_version = medium.protocol_version()
1282
except errors.SmartProtocolError:
1283
# Apparently there's no usable smart server there, even though
1284
# the medium supports the smart protocol.
1285
raise errors.NotBranchError(path=transport.base)
1286
if server_version != '2':
1287
raise errors.NotBranchError(path=transport.base)
1288
from bzrlib.remote import RemoteBzrDirFormat
1289
return RemoteBzrDirFormat()
1292
def known_formats(cls):
1293
from bzrlib.remote import RemoteBzrDirFormat
1294
return set([RemoteBzrDirFormat()])
1297
class BzrDirFormat(BzrFormat, controldir.ControlDirFormat):
1298
"""ControlDirFormat base class for .bzr/ directories.
1300
Formats are placed in a dict by their format string for reference
1301
during bzrdir opening. These should be subclasses of BzrDirFormat
1304
Once a format is deprecated, just deprecate the initialize and open
1305
methods on the format class. Do not deprecate the object, as the
1306
object will be created every system load.
1309
_lock_file_name = 'branch-lock'
1311
# _lock_class must be set in subclasses to the lock type, typ.
1312
# TransportLock or LockDir
1314
def initialize_on_transport(self, transport):
1315
"""Initialize a new bzrdir in the base directory of a Transport."""
1317
# can we hand off the request to the smart server rather than using
1319
client_medium = transport.get_smart_medium()
1320
except errors.NoSmartMedium:
1321
return self._initialize_on_transport_vfs(transport)
1323
# Current RPC's only know how to create bzr metadir1 instances, so
1324
# we still delegate to vfs methods if the requested format is not a
1326
if type(self) != BzrDirMetaFormat1:
1327
return self._initialize_on_transport_vfs(transport)
1328
from bzrlib.remote import RemoteBzrDirFormat
1329
remote_format = RemoteBzrDirFormat()
1330
self._supply_sub_formats_to(remote_format)
1331
return remote_format.initialize_on_transport(transport)
1333
def initialize_on_transport_ex(self, transport, use_existing_dir=False,
1334
create_prefix=False, force_new_repo=False, stacked_on=None,
1335
stack_on_pwd=None, repo_format_name=None, make_working_trees=None,
1336
shared_repo=False, vfs_only=False):
1337
"""Create this format on transport.
1339
The directory to initialize will be created.
1341
:param force_new_repo: Do not use a shared repository for the target,
1342
even if one is available.
1343
:param create_prefix: Create any missing directories leading up to
1345
:param use_existing_dir: Use an existing directory if one exists.
1346
:param stacked_on: A url to stack any created branch on, None to follow
1347
any target stacking policy.
1348
:param stack_on_pwd: If stack_on is relative, the location it is
1350
:param repo_format_name: If non-None, a repository will be
1351
made-or-found. Should none be found, or if force_new_repo is True
1352
the repo_format_name is used to select the format of repository to
1354
:param make_working_trees: Control the setting of make_working_trees
1355
for a new shared repository when one is made. None to use whatever
1356
default the format has.
1357
:param shared_repo: Control whether made repositories are shared or
1359
:param vfs_only: If True do not attempt to use a smart server
1360
:return: repo, controldir, require_stacking, repository_policy. repo is
1361
None if none was created or found, bzrdir is always valid.
1362
require_stacking is the result of examining the stacked_on
1363
parameter and any stacking policy found for the target.
1366
# Try to hand off to a smart server
1368
client_medium = transport.get_smart_medium()
1369
except errors.NoSmartMedium:
1372
from bzrlib.remote import RemoteBzrDirFormat
1373
# TODO: lookup the local format from a server hint.
1374
remote_dir_format = RemoteBzrDirFormat()
1375
remote_dir_format._network_name = self.network_name()
1376
self._supply_sub_formats_to(remote_dir_format)
1377
return remote_dir_format.initialize_on_transport_ex(transport,
1378
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
1379
force_new_repo=force_new_repo, stacked_on=stacked_on,
1380
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
1381
make_working_trees=make_working_trees, shared_repo=shared_repo)
1382
# XXX: Refactor the create_prefix/no_create_prefix code into a
1383
# common helper function
1384
# The destination may not exist - if so make it according to policy.
1385
def make_directory(transport):
1386
transport.mkdir('.')
1388
def redirected(transport, e, redirection_notice):
1389
note(redirection_notice)
1390
return transport._redirected_to(e.source, e.target)
1392
transport = do_catching_redirections(make_directory, transport,
1394
except errors.FileExists:
1395
if not use_existing_dir:
1397
except errors.NoSuchFile:
1398
if not create_prefix:
1400
transport.create_prefix()
1402
require_stacking = (stacked_on is not None)
1403
# Now the target directory exists, but doesn't have a .bzr
1404
# directory. So we need to create it, along with any work to create
1405
# all of the dependent branches, etc.
1407
result = self.initialize_on_transport(transport)
1408
if repo_format_name:
1410
# use a custom format
1411
result._format.repository_format = \
1412
repository.network_format_registry.get(repo_format_name)
1413
except AttributeError:
1414
# The format didn't permit it to be set.
1416
# A repository is desired, either in-place or shared.
1417
repository_policy = result.determine_repository_policy(
1418
force_new_repo, stacked_on, stack_on_pwd,
1419
require_stacking=require_stacking)
1420
result_repo, is_new_repo = repository_policy.acquire_repository(
1421
make_working_trees, shared_repo)
1422
if not require_stacking and repository_policy._require_stacking:
1423
require_stacking = True
1424
result._format.require_stacking()
1425
result_repo.lock_write()
1428
repository_policy = None
1429
return result_repo, result, require_stacking, repository_policy
1431
def _initialize_on_transport_vfs(self, transport):
1432
"""Initialize a new bzrdir using VFS calls.
1434
:param transport: The transport to create the .bzr directory in.
1437
# Since we are creating a .bzr directory, inherit the
1438
# mode from the root directory
1439
temp_control = lockable_files.LockableFiles(transport,
1440
'', lockable_files.TransportLock)
1442
temp_control._transport.mkdir('.bzr',
1443
# FIXME: RBC 20060121 don't peek under
1445
mode=temp_control._dir_mode)
1446
except errors.FileExists:
1447
raise errors.AlreadyControlDirError(transport.base)
1448
if sys.platform == 'win32' and isinstance(transport, local.LocalTransport):
1449
win32utils.set_file_attr_hidden(transport._abspath('.bzr'))
1450
file_mode = temp_control._file_mode
1452
bzrdir_transport = transport.clone('.bzr')
1453
utf8_files = [('README',
1454
"This is a Bazaar control directory.\n"
1455
"Do not change any files in this directory.\n"
1456
"See http://bazaar.canonical.com/ for more information about Bazaar.\n"),
1457
('branch-format', self.as_string()),
1459
# NB: no need to escape relative paths that are url safe.
1460
control_files = lockable_files.LockableFiles(bzrdir_transport,
1461
self._lock_file_name, self._lock_class)
1462
control_files.create_lock()
1463
control_files.lock_write()
1465
for (filename, content) in utf8_files:
1466
bzrdir_transport.put_bytes(filename, content,
1469
control_files.unlock()
1470
return self.open(transport, _found=True)
1472
def open(self, transport, _found=False):
1473
"""Return an instance of this format for the dir transport points at.
1475
_found is a private parameter, do not use it.
1478
found_format = controldir.ControlDirFormat.find_format(transport)
1479
if not isinstance(found_format, self.__class__):
1480
raise AssertionError("%s was asked to open %s, but it seems to need "
1482
% (self, transport, found_format))
1483
# Allow subclasses - use the found format.
1484
self._supply_sub_formats_to(found_format)
1485
return found_format._open(transport)
1486
return self._open(transport)
1488
def _open(self, transport):
1489
"""Template method helper for opening BzrDirectories.
1491
This performs the actual open and any additional logic or parameter
1494
raise NotImplementedError(self._open)
1496
def _supply_sub_formats_to(self, other_format):
1497
"""Give other_format the same values for sub formats as this has.
1499
This method is expected to be used when parameterising a
1500
RemoteBzrDirFormat instance with the parameters from a
1501
BzrDirMetaFormat1 instance.
1503
:param other_format: other_format is a format which should be
1504
compatible with whatever sub formats are supported by self.
1507
other_format.features = dict(self.features)
1509
def supports_transport(self, transport):
1510
# bzr formats can be opened over all known transports
1513
def check_support_status(self, allow_unsupported, recommend_upgrade=True,
1515
controldir.ControlDirFormat.check_support_status(self,
1516
allow_unsupported=allow_unsupported, recommend_upgrade=recommend_upgrade,
1518
BzrFormat.check_support_status(self, allow_unsupported=allow_unsupported,
1519
recommend_upgrade=recommend_upgrade, basedir=basedir)
1522
class BzrDirMetaFormat1(BzrDirFormat):
1523
"""Bzr meta control format 1
1525
This is the first format with split out working tree, branch and repository
1530
- Format 3 working trees [optional]
1531
- Format 5 branches [optional]
1532
- Format 7 repositories [optional]
1535
_lock_class = lockdir.LockDir
1537
fixed_components = False
1539
colocated_branches = True
1542
BzrDirFormat.__init__(self)
1543
self._workingtree_format = None
1544
self._branch_format = None
1545
self._repository_format = None
1547
def __eq__(self, other):
1548
if other.__class__ is not self.__class__:
1550
if other.repository_format != self.repository_format:
1552
if other.workingtree_format != self.workingtree_format:
1554
if other.features != self.features:
1558
def __ne__(self, other):
1559
return not self == other
1561
def get_branch_format(self):
1562
if self._branch_format is None:
1563
from bzrlib.branch import format_registry as branch_format_registry
1564
self._branch_format = branch_format_registry.get_default()
1565
return self._branch_format
1567
def set_branch_format(self, format):
1568
self._branch_format = format
1570
def require_stacking(self, stack_on=None, possible_transports=None,
1572
"""We have a request to stack, try to ensure the formats support it.
1574
:param stack_on: If supplied, it is the URL to a branch that we want to
1575
stack on. Check to see if that format supports stacking before
1578
# Stacking is desired. requested by the target, but does the place it
1579
# points at support stacking? If it doesn't then we should
1580
# not implicitly upgrade. We check this here.
1581
new_repo_format = None
1582
new_branch_format = None
1584
# a bit of state for get_target_branch so that we don't try to open it
1585
# 2 times, for both repo *and* branch
1586
target = [None, False, None] # target_branch, checked, upgrade anyway
1587
def get_target_branch():
1589
# We've checked, don't check again
1591
if stack_on is None:
1592
# No target format, that means we want to force upgrading
1593
target[:] = [None, True, True]
1596
target_dir = BzrDir.open(stack_on,
1597
possible_transports=possible_transports)
1598
except errors.NotBranchError:
1599
# Nothing there, don't change formats
1600
target[:] = [None, True, False]
1602
except errors.JailBreak:
1603
# JailBreak, JFDI and upgrade anyway
1604
target[:] = [None, True, True]
1607
target_branch = target_dir.open_branch()
1608
except errors.NotBranchError:
1609
# No branch, don't upgrade formats
1610
target[:] = [None, True, False]
1612
target[:] = [target_branch, True, False]
1615
if (not _skip_repo and
1616
not self.repository_format.supports_external_lookups):
1617
# We need to upgrade the Repository.
1618
target_branch, _, do_upgrade = get_target_branch()
1619
if target_branch is None:
1620
# We don't have a target branch, should we upgrade anyway?
1622
# stack_on is inaccessible, JFDI.
1623
# TODO: bad monkey, hard-coded formats...
1624
if self.repository_format.rich_root_data:
1625
new_repo_format = knitpack_repo.RepositoryFormatKnitPack5RichRoot()
1627
new_repo_format = knitpack_repo.RepositoryFormatKnitPack5()
1629
# If the target already supports stacking, then we know the
1630
# project is already able to use stacking, so auto-upgrade
1632
new_repo_format = target_branch.repository._format
1633
if not new_repo_format.supports_external_lookups:
1634
# target doesn't, source doesn't, so don't auto upgrade
1636
new_repo_format = None
1637
if new_repo_format is not None:
1638
self.repository_format = new_repo_format
1639
note(gettext('Source repository format does not support stacking,'
1640
' using format:\n %s'),
1641
new_repo_format.get_format_description())
1643
if not self.get_branch_format().supports_stacking():
1644
# We just checked the repo, now lets check if we need to
1645
# upgrade the branch format
1646
target_branch, _, do_upgrade = get_target_branch()
1647
if target_branch is None:
1649
# TODO: bad monkey, hard-coded formats...
1650
from bzrlib.branch import BzrBranchFormat7
1651
new_branch_format = BzrBranchFormat7()
1653
new_branch_format = target_branch._format
1654
if not new_branch_format.supports_stacking():
1655
new_branch_format = None
1656
if new_branch_format is not None:
1657
# Does support stacking, use its format.
1658
self.set_branch_format(new_branch_format)
1659
note(gettext('Source branch format does not support stacking,'
1660
' using format:\n %s'),
1661
new_branch_format.get_format_description())
1663
def get_converter(self, format=None):
1664
"""See BzrDirFormat.get_converter()."""
1666
format = BzrDirFormat.get_default_format()
1667
if (type(self) is BzrDirMetaFormat1 and
1668
type(format) is BzrDirMetaFormat1Colo):
1669
return ConvertMetaToColo(format)
1670
if (type(self) is BzrDirMetaFormat1Colo and
1671
type(format) is BzrDirMetaFormat1):
1672
return ConvertMetaToColo(format)
1673
if not isinstance(self, format.__class__):
1674
# converting away from metadir is not implemented
1675
raise NotImplementedError(self.get_converter)
1676
return ConvertMetaToMeta(format)
1679
def get_format_string(cls):
1680
"""See BzrDirFormat.get_format_string()."""
1681
return "Bazaar-NG meta directory, format 1\n"
1683
def get_format_description(self):
1684
"""See BzrDirFormat.get_format_description()."""
1685
return "Meta directory format 1"
1687
def _open(self, transport):
1688
"""See BzrDirFormat._open."""
1689
# Create a new format instance because otherwise initialisation of new
1690
# metadirs share the global default format object leading to alias
1692
format = BzrDirMetaFormat1()
1693
self._supply_sub_formats_to(format)
1694
return BzrDirMeta1(transport, format)
1696
def __return_repository_format(self):
1697
"""Circular import protection."""
1698
if self._repository_format:
1699
return self._repository_format
1700
from bzrlib.repository import format_registry
1701
return format_registry.get_default()
1703
def _set_repository_format(self, value):
1704
"""Allow changing the repository format for metadir formats."""
1705
self._repository_format = value
1707
repository_format = property(__return_repository_format,
1708
_set_repository_format)
1710
def _supply_sub_formats_to(self, other_format):
1711
"""Give other_format the same values for sub formats as this has.
1713
This method is expected to be used when parameterising a
1714
RemoteBzrDirFormat instance with the parameters from a
1715
BzrDirMetaFormat1 instance.
1717
:param other_format: other_format is a format which should be
1718
compatible with whatever sub formats are supported by self.
1721
super(BzrDirMetaFormat1, self)._supply_sub_formats_to(other_format)
1722
if getattr(self, '_repository_format', None) is not None:
1723
other_format.repository_format = self.repository_format
1724
if self._branch_format is not None:
1725
other_format._branch_format = self._branch_format
1726
if self._workingtree_format is not None:
1727
other_format.workingtree_format = self.workingtree_format
1729
def __get_workingtree_format(self):
1730
if self._workingtree_format is None:
1731
from bzrlib.workingtree import (
1732
format_registry as wt_format_registry,
1734
self._workingtree_format = wt_format_registry.get_default()
1735
return self._workingtree_format
1737
def __set_workingtree_format(self, wt_format):
1738
self._workingtree_format = wt_format
1741
return "<%r>" % (self.__class__.__name__,)
1743
workingtree_format = property(__get_workingtree_format,
1744
__set_workingtree_format)
1747
# Register bzr formats
1748
BzrProber.formats.register(BzrDirMetaFormat1.get_format_string(),
1750
controldir.ControlDirFormat._default_format = BzrDirMetaFormat1()
1753
class BzrDirMetaFormat1Colo(BzrDirMetaFormat1):
1754
"""BzrDirMeta1 format with support for colocated branches."""
1756
colocated_branches = True
1759
def get_format_string(cls):
1760
"""See BzrDirFormat.get_format_string()."""
1761
return "Bazaar meta directory, format 1 (with colocated branches)\n"
1763
def get_format_description(self):
1764
"""See BzrDirFormat.get_format_description()."""
1765
return "Meta directory format 1 with support for colocated branches"
1767
def _open(self, transport):
1768
"""See BzrDirFormat._open."""
1769
# Create a new format instance because otherwise initialisation of new
1770
# metadirs share the global default format object leading to alias
1772
format = BzrDirMetaFormat1Colo()
1773
self._supply_sub_formats_to(format)
1774
return BzrDirMeta1(transport, format)
1777
BzrProber.formats.register(BzrDirMetaFormat1Colo.get_format_string(),
1778
BzrDirMetaFormat1Colo)
1781
class ConvertMetaToMeta(controldir.Converter):
1782
"""Converts the components of metadirs."""
1784
def __init__(self, target_format):
1785
"""Create a metadir to metadir converter.
1787
:param target_format: The final metadir format that is desired.
1789
self.target_format = target_format
1791
def convert(self, to_convert, pb):
1792
"""See Converter.convert()."""
1793
self.bzrdir = to_convert
1794
self.pb = ui.ui_factory.nested_progress_bar()
1797
self.step('checking repository format')
1799
repo = self.bzrdir.open_repository()
1800
except errors.NoRepositoryPresent:
1803
if not isinstance(repo._format, self.target_format.repository_format.__class__):
1804
from bzrlib.repository import CopyConverter
1805
ui.ui_factory.note(gettext('starting repository conversion'))
1806
converter = CopyConverter(self.target_format.repository_format)
1807
converter.convert(repo, pb)
1808
for branch in self.bzrdir.list_branches():
1809
# TODO: conversions of Branch and Tree should be done by
1810
# InterXFormat lookups/some sort of registry.
1811
# Avoid circular imports
1812
old = branch._format.__class__
1813
new = self.target_format.get_branch_format().__class__
1815
if (old == fullhistorybranch.BzrBranchFormat5 and
1816
new in (_mod_branch.BzrBranchFormat6,
1817
_mod_branch.BzrBranchFormat7,
1818
_mod_branch.BzrBranchFormat8)):
1819
branch_converter = _mod_branch.Converter5to6()
1820
elif (old == _mod_branch.BzrBranchFormat6 and
1821
new in (_mod_branch.BzrBranchFormat7,
1822
_mod_branch.BzrBranchFormat8)):
1823
branch_converter = _mod_branch.Converter6to7()
1824
elif (old == _mod_branch.BzrBranchFormat7 and
1825
new is _mod_branch.BzrBranchFormat8):
1826
branch_converter = _mod_branch.Converter7to8()
1828
raise errors.BadConversionTarget("No converter", new,
1830
branch_converter.convert(branch)
1831
branch = self.bzrdir.open_branch()
1832
old = branch._format.__class__
1834
tree = self.bzrdir.open_workingtree(recommend_upgrade=False)
1835
except (errors.NoWorkingTree, errors.NotLocalUrl):
1838
# TODO: conversions of Branch and Tree should be done by
1839
# InterXFormat lookups
1840
if (isinstance(tree, workingtree_3.WorkingTree3) and
1841
not isinstance(tree, workingtree_4.DirStateWorkingTree) and
1842
isinstance(self.target_format.workingtree_format,
1843
workingtree_4.DirStateWorkingTreeFormat)):
1844
workingtree_4.Converter3to4().convert(tree)
1845
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
1846
not isinstance(tree, workingtree_4.WorkingTree5) and
1847
isinstance(self.target_format.workingtree_format,
1848
workingtree_4.WorkingTreeFormat5)):
1849
workingtree_4.Converter4to5().convert(tree)
1850
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
1851
not isinstance(tree, workingtree_4.WorkingTree6) and
1852
isinstance(self.target_format.workingtree_format,
1853
workingtree_4.WorkingTreeFormat6)):
1854
workingtree_4.Converter4or5to6().convert(tree)
1859
class ConvertMetaToColo(controldir.Converter):
1860
"""Add colocated branch support."""
1862
def __init__(self, target_format):
1863
"""Create a converter.that upgrades a metadir to the colo format.
1865
:param target_format: The final metadir format that is desired.
1867
self.target_format = target_format
1869
def convert(self, to_convert, pb):
1870
"""See Converter.convert()."""
1871
to_convert.transport.put_bytes('branch-format',
1872
self.target_format.as_string())
1873
return BzrDir.open_from_transport(to_convert.root_transport)
1876
class ConvertMetaToColo(controldir.Converter):
1877
"""Convert a 'development-colo' bzrdir to a '2a' bzrdir."""
1879
def __init__(self, target_format):
1880
"""Create a converter that converts a 'development-colo' metadir
1883
:param target_format: The final metadir format that is desired.
1885
self.target_format = target_format
1887
def convert(self, to_convert, pb):
1888
"""See Converter.convert()."""
1889
to_convert.transport.put_bytes('branch-format',
1890
self.target_format.as_string())
1891
return BzrDir.open_from_transport(to_convert.root_transport)
1894
controldir.ControlDirFormat.register_server_prober(RemoteBzrProber)
1897
class RepositoryAcquisitionPolicy(object):
1898
"""Abstract base class for repository acquisition policies.
1900
A repository acquisition policy decides how a BzrDir acquires a repository
1901
for a branch that is being created. The most basic policy decision is
1902
whether to create a new repository or use an existing one.
1904
def __init__(self, stack_on, stack_on_pwd, require_stacking):
1907
:param stack_on: A location to stack on
1908
:param stack_on_pwd: If stack_on is relative, the location it is
1910
:param require_stacking: If True, it is a failure to not stack.
1912
self._stack_on = stack_on
1913
self._stack_on_pwd = stack_on_pwd
1914
self._require_stacking = require_stacking
1916
def configure_branch(self, branch):
1917
"""Apply any configuration data from this policy to the branch.
1919
Default implementation sets repository stacking.
1921
if self._stack_on is None:
1923
if self._stack_on_pwd is None:
1924
stack_on = self._stack_on
1927
stack_on = urlutils.rebase_url(self._stack_on,
1930
except errors.InvalidRebaseURLs:
1931
stack_on = self._get_full_stack_on()
1933
branch.set_stacked_on_url(stack_on)
1934
except (errors.UnstackableBranchFormat,
1935
errors.UnstackableRepositoryFormat):
1936
if self._require_stacking:
1939
def requires_stacking(self):
1940
"""Return True if this policy requires stacking."""
1941
return self._stack_on is not None and self._require_stacking
1943
def _get_full_stack_on(self):
1944
"""Get a fully-qualified URL for the stack_on location."""
1945
if self._stack_on is None:
1947
if self._stack_on_pwd is None:
1948
return self._stack_on
1950
return urlutils.join(self._stack_on_pwd, self._stack_on)
1952
def _add_fallback(self, repository, possible_transports=None):
1953
"""Add a fallback to the supplied repository, if stacking is set."""
1954
stack_on = self._get_full_stack_on()
1955
if stack_on is None:
1958
stacked_dir = BzrDir.open(stack_on,
1959
possible_transports=possible_transports)
1960
except errors.JailBreak:
1961
# We keep the stacking details, but we are in the server code so
1962
# actually stacking is not needed.
1965
stacked_repo = stacked_dir.open_branch().repository
1966
except errors.NotBranchError:
1967
stacked_repo = stacked_dir.open_repository()
1969
repository.add_fallback_repository(stacked_repo)
1970
except errors.UnstackableRepositoryFormat:
1971
if self._require_stacking:
1974
self._require_stacking = True
1976
def acquire_repository(self, make_working_trees=None, shared=False,
1977
possible_transports=None):
1978
"""Acquire a repository for this bzrdir.
1980
Implementations may create a new repository or use a pre-exising
1983
:param make_working_trees: If creating a repository, set
1984
make_working_trees to this value (if non-None)
1985
:param shared: If creating a repository, make it shared if True
1986
:return: A repository, is_new_flag (True if the repository was
1989
raise NotImplementedError(RepositoryAcquisitionPolicy.acquire_repository)
1992
class CreateRepository(RepositoryAcquisitionPolicy):
1993
"""A policy of creating a new repository"""
1995
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
1996
require_stacking=False):
1999
:param bzrdir: The bzrdir to create the repository on.
2000
:param stack_on: A location to stack on
2001
:param stack_on_pwd: If stack_on is relative, the location it is
2004
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2006
self._bzrdir = bzrdir
2008
def acquire_repository(self, make_working_trees=None, shared=False,
2009
possible_transports=None):
2010
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2012
Creates the desired repository in the bzrdir we already have.
2014
if possible_transports is None:
2015
possible_transports = []
2017
possible_transports = list(possible_transports)
2018
possible_transports.append(self._bzrdir.root_transport)
2019
stack_on = self._get_full_stack_on()
2021
format = self._bzrdir._format
2022
format.require_stacking(stack_on=stack_on,
2023
possible_transports=possible_transports)
2024
if not self._require_stacking:
2025
# We have picked up automatic stacking somewhere.
2026
note(gettext('Using default stacking branch {0} at {1}').format(
2027
self._stack_on, self._stack_on_pwd))
2028
repository = self._bzrdir.create_repository(shared=shared)
2029
self._add_fallback(repository,
2030
possible_transports=possible_transports)
2031
if make_working_trees is not None:
2032
repository.set_make_working_trees(make_working_trees)
2033
return repository, True
2036
class UseExistingRepository(RepositoryAcquisitionPolicy):
2037
"""A policy of reusing an existing repository"""
2039
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
2040
require_stacking=False):
2043
:param repository: The repository to use.
2044
:param stack_on: A location to stack on
2045
:param stack_on_pwd: If stack_on is relative, the location it is
2048
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2050
self._repository = repository
2052
def acquire_repository(self, make_working_trees=None, shared=False,
2053
possible_transports=None):
2054
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2056
Returns an existing repository to use.
2058
if possible_transports is None:
2059
possible_transports = []
2061
possible_transports = list(possible_transports)
2062
possible_transports.append(self._repository.bzrdir.transport)
2063
self._add_fallback(self._repository,
2064
possible_transports=possible_transports)
2065
return self._repository, False
2068
def register_metadir(registry, key,
2069
repository_format, help, native=True, deprecated=False,
2074
alias=False, bzrdir_format=None):
2075
"""Register a metadir subformat.
2077
These all use a meta bzrdir, but can be parameterized by the
2078
Repository/Branch/WorkingTreeformats.
2080
:param repository_format: The fully-qualified repository format class
2082
:param branch_format: Fully-qualified branch format class name as
2084
:param tree_format: Fully-qualified tree format class name as
2087
if bzrdir_format is None:
2088
bzrdir_format = BzrDirMetaFormat1
2089
# This should be expanded to support setting WorkingTree and Branch
2090
# formats, once the API supports that.
2091
def _load(full_name):
2092
mod_name, factory_name = full_name.rsplit('.', 1)
2094
factory = pyutils.get_named_object(mod_name, factory_name)
2095
except ImportError, e:
2096
raise ImportError('failed to load %s: %s' % (full_name, e))
2097
except AttributeError:
2098
raise AttributeError('no factory %s in module %r'
2099
% (full_name, sys.modules[mod_name]))
2103
bd = bzrdir_format()
2104
if branch_format is not None:
2105
bd.set_branch_format(_load(branch_format))
2106
if tree_format is not None:
2107
bd.workingtree_format = _load(tree_format)
2108
if repository_format is not None:
2109
bd.repository_format = _load(repository_format)
2111
registry.register(key, helper, help, native, deprecated, hidden,
2112
experimental, alias)
2114
register_metadir(controldir.format_registry, 'knit',
2115
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2116
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
2117
branch_format='bzrlib.branchfmt.fullhistory.BzrBranchFormat5',
2118
tree_format='bzrlib.workingtree_3.WorkingTreeFormat3',
2121
register_metadir(controldir.format_registry, 'dirstate',
2122
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2123
help='Format using dirstate for working trees. '
2124
'Compatible with bzr 0.8 and '
2125
'above when accessed over the network. Introduced in bzr 0.15.',
2126
branch_format='bzrlib.branchfmt.fullhistory.BzrBranchFormat5',
2127
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2130
register_metadir(controldir.format_registry, 'dirstate-tags',
2131
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2132
help='Variant of dirstate with support for tags. '
2133
'Introduced in bzr 0.15.',
2134
branch_format='bzrlib.branch.BzrBranchFormat6',
2135
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2138
register_metadir(controldir.format_registry, 'rich-root',
2139
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
2140
help='Variant of dirstate with better handling of tree roots. '
2141
'Introduced in bzr 1.0',
2142
branch_format='bzrlib.branch.BzrBranchFormat6',
2143
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2146
register_metadir(controldir.format_registry, 'dirstate-with-subtree',
2147
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
2148
help='Variant of dirstate with support for nested trees. '
2149
'Introduced in 0.15.',
2150
branch_format='bzrlib.branch.BzrBranchFormat6',
2151
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2155
register_metadir(controldir.format_registry, 'pack-0.92',
2156
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack1',
2157
help='Pack-based format used in 1.x series. Introduced in 0.92. '
2158
'Interoperates with bzr repositories before 0.92 but cannot be '
2159
'read by bzr < 0.92. '
2161
branch_format='bzrlib.branch.BzrBranchFormat6',
2162
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2165
register_metadir(controldir.format_registry, 'pack-0.92-subtree',
2166
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack3',
2167
help='Pack-based format used in 1.x series, with subtree support. '
2168
'Introduced in 0.92. Interoperates with '
2169
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
2171
branch_format='bzrlib.branch.BzrBranchFormat6',
2172
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2177
register_metadir(controldir.format_registry, 'rich-root-pack',
2178
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack4',
2179
help='A variant of pack-0.92 that supports rich-root data '
2180
'(needed for bzr-svn and bzr-git). Introduced in 1.0.',
2181
branch_format='bzrlib.branch.BzrBranchFormat6',
2182
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2186
register_metadir(controldir.format_registry, '1.6',
2187
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack5',
2188
help='A format that allows a branch to indicate that there is another '
2189
'(stacked) repository that should be used to access data that is '
2190
'not present locally.',
2191
branch_format='bzrlib.branch.BzrBranchFormat7',
2192
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2196
register_metadir(controldir.format_registry, '1.6.1-rich-root',
2197
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack5RichRoot',
2198
help='A variant of 1.6 that supports rich-root data '
2199
'(needed for bzr-svn and bzr-git).',
2200
branch_format='bzrlib.branch.BzrBranchFormat7',
2201
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2205
register_metadir(controldir.format_registry, '1.9',
2206
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6',
2207
help='A repository format using B+tree indexes. These indexes '
2208
'are smaller in size, have smarter caching and provide faster '
2209
'performance for most operations.',
2210
branch_format='bzrlib.branch.BzrBranchFormat7',
2211
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2215
register_metadir(controldir.format_registry, '1.9-rich-root',
2216
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6RichRoot',
2217
help='A variant of 1.9 that supports rich-root data '
2218
'(needed for bzr-svn and bzr-git).',
2219
branch_format='bzrlib.branch.BzrBranchFormat7',
2220
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2224
register_metadir(controldir.format_registry, '1.14',
2225
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6',
2226
help='A working-tree format that supports content filtering.',
2227
branch_format='bzrlib.branch.BzrBranchFormat7',
2228
tree_format='bzrlib.workingtree_4.WorkingTreeFormat5',
2232
register_metadir(controldir.format_registry, '1.14-rich-root',
2233
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6RichRoot',
2234
help='A variant of 1.14 that supports rich-root data '
2235
'(needed for bzr-svn and bzr-git).',
2236
branch_format='bzrlib.branch.BzrBranchFormat7',
2237
tree_format='bzrlib.workingtree_4.WorkingTreeFormat5',
2241
# The following un-numbered 'development' formats should always just be aliases.
2242
register_metadir(controldir.format_registry, 'development-subtree',
2243
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2aSubtree',
2244
help='Current development format, subtree variant. Can convert data to and '
2245
'from pack-0.92-subtree (and anything compatible with '
2246
'pack-0.92-subtree) format repositories. Repositories and branches in '
2247
'this format can only be read by bzr.dev. Please read '
2248
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
2250
branch_format='bzrlib.branch.BzrBranchFormat7',
2251
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2254
alias=False, # Restore to being an alias when an actual development subtree format is added
2255
# This current non-alias status is simply because we did not introduce a
2256
# chk based subtree format.
2258
register_metadir(controldir.format_registry, 'development5-subtree',
2259
'bzrlib.repofmt.knitpack_repo.RepositoryFormatPackDevelopment2Subtree',
2260
help='Development format, subtree variant. Can convert data to and '
2261
'from pack-0.92-subtree (and anything compatible with '
2262
'pack-0.92-subtree) format repositories. Repositories and branches in '
2263
'this format can only be read by bzr.dev. Please read '
2264
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
2266
branch_format='bzrlib.branch.BzrBranchFormat7',
2267
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2273
register_metadir(controldir.format_registry, 'development-colo',
2274
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
2275
help='The 2a format with experimental support for colocated branches.\n',
2276
branch_format='bzrlib.branch.BzrBranchFormat7',
2277
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2279
bzrdir_format=BzrDirMetaFormat1Colo,
2283
# And the development formats above will have aliased one of the following:
2285
# Finally, the current format.
2286
register_metadir(controldir.format_registry, '2a',
2287
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
2288
help='Format for the bzr 2.0 series.\n'
2289
'Uses group-compress storage.\n'
2290
'Provides rich roots which are a one-way transition.\n',
2291
# 'storage in packs, 255-way hashed CHK inventory, bencode revision, group compress, '
2292
# 'rich roots. Supported by bzr 1.16 and later.',
2293
branch_format='bzrlib.branch.BzrBranchFormat7',
2294
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2298
# The following format should be an alias for the rich root equivalent
2299
# of the default format
2300
register_metadir(controldir.format_registry, 'default-rich-root',
2301
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
2302
branch_format='bzrlib.branch.BzrBranchFormat7',
2303
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2308
# The current format that is made on 'bzr init'.
2309
format_name = config.GlobalStack().get('default_format')
2310
controldir.format_registry.set_default(format_name)
2312
# XXX 2010-08-20 JRV: There is still a lot of code relying on
2313
# bzrlib.bzrdir.format_registry existing. When BzrDir.create/BzrDir.open/etc
2314
# get changed to ControlDir.create/ControlDir.open/etc this should be removed.
2315
format_registry = controldir.format_registry
added
removed
bzrlib/bzrdir.py
