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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.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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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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@deprecated_method(deprecated_in((2, 3, 0)))
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def generate_backup_name(self, base):
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return self._available_backup_name(base)
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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.
735
Note that bzr dirs that do not support format strings will raise
736
IncompatibleFormat if the branch format they are given has
737
a format string, and vice versa.
739
If branch_format is None, the transport is returned with no
740
checking. If it is not None, then the returned transport is
741
guaranteed to point to an existing directory ready for use.
743
raise NotImplementedError(self.get_branch_transport)
745
def get_repository_transport(self, repository_format):
746
"""Get the transport for use by repository format in this BzrDir.
748
Note that bzr dirs that do not support format strings will raise
749
IncompatibleFormat if the repository format they are given has
750
a format string, and vice versa.
752
If repository_format is None, the transport is returned with no
753
checking. If it is not None, then the returned transport is
754
guaranteed to point to an existing directory ready for use.
756
raise NotImplementedError(self.get_repository_transport)
758
def get_workingtree_transport(self, tree_format):
759
"""Get the transport for use by workingtree format in this BzrDir.
761
Note that bzr dirs that do not support format strings will raise
762
IncompatibleFormat if the workingtree format they are given has a
763
format string, and vice versa.
765
If workingtree_format is None, the transport is returned with no
766
checking. If it is not None, then the returned transport is
767
guaranteed to point to an existing directory ready for use.
769
raise NotImplementedError(self.get_workingtree_transport)
772
def create(cls, base, format=None, possible_transports=None):
773
"""Create a new BzrDir at the url 'base'.
775
:param format: If supplied, the format of branch to create. If not
776
supplied, the default is used.
777
:param possible_transports: If supplied, a list of transports that
778
can be reused to share a remote connection.
780
if cls is not BzrDir:
781
raise AssertionError("BzrDir.create always creates the "
782
"default format, not one of %r" % cls)
783
return controldir.ControlDir.create(base, format=format,
784
possible_transports=possible_transports)
787
return "<%s at %r>" % (self.__class__.__name__, self.user_url)
790
class BzrDirMeta1(BzrDir):
791
"""A .bzr meta version 1 control object.
793
This is the first control object where the
794
individual aspects are really split out: there are separate repository,
795
workingtree and branch subdirectories and any subset of the three can be
796
present within a BzrDir.
799
def can_convert_format(self):
800
"""See BzrDir.can_convert_format()."""
803
def create_branch(self, name=None, repository=None,
804
append_revisions_only=None):
805
"""See BzrDir.create_branch."""
807
name = self._get_selected_branch()
808
return self._format.get_branch_format().initialize(self, name=name,
809
repository=repository,
810
append_revisions_only=append_revisions_only)
812
def destroy_branch(self, name=None):
813
"""See BzrDir.create_branch."""
815
raise errors.NoColocatedBranchSupport(self)
816
self.transport.delete_tree('branch')
818
def create_repository(self, shared=False):
819
"""See BzrDir.create_repository."""
820
return self._format.repository_format.initialize(self, shared)
822
def destroy_repository(self):
823
"""See BzrDir.destroy_repository."""
825
self.transport.delete_tree('repository')
826
except errors.NoSuchFile:
827
raise errors.NoRepositoryPresent(self)
829
def create_workingtree(self, revision_id=None, from_branch=None,
830
accelerator_tree=None, hardlink=False):
831
"""See BzrDir.create_workingtree."""
832
return self._format.workingtree_format.initialize(
833
self, revision_id, from_branch=from_branch,
834
accelerator_tree=accelerator_tree, hardlink=hardlink)
836
def destroy_workingtree(self):
837
"""See BzrDir.destroy_workingtree."""
838
wt = self.open_workingtree(recommend_upgrade=False)
839
repository = wt.branch.repository
840
empty = repository.revision_tree(_mod_revision.NULL_REVISION)
841
# We ignore the conflicts returned by wt.revert since we're about to
842
# delete the wt metadata anyway, all that should be left here are
843
# detritus. But see bug #634470 about subtree .bzr dirs.
844
conflicts = wt.revert(old_tree=empty)
845
self.destroy_workingtree_metadata()
847
def destroy_workingtree_metadata(self):
848
self.transport.delete_tree('checkout')
850
def find_branch_format(self, name=None):
851
"""Find the branch 'format' for this bzrdir.
853
This might be a synthetic object for e.g. RemoteBranch and SVN.
855
from bzrlib.branch import BranchFormatMetadir
856
return BranchFormatMetadir.find_format(self, name=name)
858
def _get_mkdir_mode(self):
859
"""Figure out the mode to use when creating a bzrdir subdir."""
860
temp_control = lockable_files.LockableFiles(self.transport, '',
861
lockable_files.TransportLock)
862
return temp_control._dir_mode
864
def get_branch_reference(self, name=None):
865
"""See BzrDir.get_branch_reference()."""
866
from bzrlib.branch import BranchFormatMetadir
867
format = BranchFormatMetadir.find_format(self, name=name)
868
return format.get_reference(self, name=name)
870
def get_branch_transport(self, branch_format, name=None):
871
"""See BzrDir.get_branch_transport()."""
873
raise errors.NoColocatedBranchSupport(self)
874
# XXX: this shouldn't implicitly create the directory if it's just
875
# promising to get a transport -- mbp 20090727
876
if branch_format is None:
877
return self.transport.clone('branch')
879
branch_format.get_format_string()
880
except NotImplementedError:
881
raise errors.IncompatibleFormat(branch_format, self._format)
883
self.transport.mkdir('branch', mode=self._get_mkdir_mode())
884
except errors.FileExists:
886
return self.transport.clone('branch')
888
def get_repository_transport(self, repository_format):
889
"""See BzrDir.get_repository_transport()."""
890
if repository_format is None:
891
return self.transport.clone('repository')
893
repository_format.get_format_string()
894
except NotImplementedError:
895
raise errors.IncompatibleFormat(repository_format, self._format)
897
self.transport.mkdir('repository', mode=self._get_mkdir_mode())
898
except errors.FileExists:
900
return self.transport.clone('repository')
902
def get_workingtree_transport(self, workingtree_format):
903
"""See BzrDir.get_workingtree_transport()."""
904
if workingtree_format is None:
905
return self.transport.clone('checkout')
907
workingtree_format.get_format_string()
908
except NotImplementedError:
909
raise errors.IncompatibleFormat(workingtree_format, self._format)
911
self.transport.mkdir('checkout', mode=self._get_mkdir_mode())
912
except errors.FileExists:
914
return self.transport.clone('checkout')
916
def has_workingtree(self):
917
"""Tell if this bzrdir contains a working tree.
919
Note: if you're going to open the working tree, you should just go
920
ahead and try, and not ask permission first.
922
from bzrlib.workingtree import WorkingTreeFormatMetaDir
924
WorkingTreeFormatMetaDir.find_format_string(self)
925
except errors.NoWorkingTree:
929
def needs_format_conversion(self, format):
930
"""See BzrDir.needs_format_conversion()."""
931
if (not isinstance(self._format, format.__class__) or
932
self._format.get_format_string() != format.get_format_string()):
933
# it is not a meta dir format, conversion is needed.
935
# we might want to push this down to the repository?
937
if not isinstance(self.open_repository()._format,
938
format.repository_format.__class__):
939
# the repository needs an upgrade.
941
except errors.NoRepositoryPresent:
943
for branch in self.list_branches():
944
if not isinstance(branch._format,
945
format.get_branch_format().__class__):
946
# the branch needs an upgrade.
949
my_wt = self.open_workingtree(recommend_upgrade=False)
950
if not isinstance(my_wt._format,
951
format.workingtree_format.__class__):
952
# the workingtree needs an upgrade.
954
except (errors.NoWorkingTree, errors.NotLocalUrl):
958
def open_branch(self, name=None, unsupported=False,
959
ignore_fallbacks=False, possible_transports=None):
960
"""See ControlDir.open_branch."""
962
name = self._get_selected_branch()
963
format = self.find_branch_format(name=name)
964
format.check_support_status(unsupported)
965
return format.open(self, name=name,
966
_found=True, ignore_fallbacks=ignore_fallbacks,
967
possible_transports=possible_transports)
969
def open_repository(self, unsupported=False):
970
"""See BzrDir.open_repository."""
971
from bzrlib.repository import RepositoryFormatMetaDir
972
format = RepositoryFormatMetaDir.find_format(self)
973
format.check_support_status(unsupported)
974
return format.open(self, _found=True)
976
def open_workingtree(self, unsupported=False,
977
recommend_upgrade=True):
978
"""See BzrDir.open_workingtree."""
979
from bzrlib.workingtree import WorkingTreeFormatMetaDir
980
format = WorkingTreeFormatMetaDir.find_format(self)
981
format.check_support_status(unsupported, recommend_upgrade,
982
basedir=self.root_transport.base)
983
return format.open(self, _found=True)
985
def _get_config(self):
986
return config.TransportConfig(self.transport, 'control.conf')
989
class BzrDirMeta1Colo(BzrDirMeta1):
990
"""BzrDirMeta1 with support for colocated branches.
992
This format is experimental, and will eventually be merged back into
996
def __init__(self, _transport, _format):
997
super(BzrDirMeta1Colo, self).__init__(_transport, _format)
998
self.control_files = lockable_files.LockableFiles(self.control_transport,
999
self._format._lock_file_name, self._format._lock_class)
1001
def _get_branch_path(self, name):
1002
"""Obtain the branch path to use.
1004
This uses the API specified branch name first, and then falls back to
1005
the branch name specified in the URL. If neither of those is specified,
1006
it uses the default branch.
1008
:param name: Optional branch name to use
1009
:return: Relative path to branch
1013
return urlutils.join('branches', name.encode("utf-8"))
1015
def _read_branch_list(self):
1016
"""Read the branch list.
1018
:return: List of utf-8 encoded branch names.
1021
f = self.control_transport.get('branch-list')
1022
except errors.NoSuchFile:
1028
ret.append(name.rstrip("\n"))
1033
def _write_branch_list(self, branches):
1034
"""Write out the branch list.
1036
:param branches: List of utf-8 branch names to write
1038
self.transport.put_bytes('branch-list',
1039
"".join([name+"\n" for name in branches]))
1041
def destroy_branch(self, name=None):
1042
"""See BzrDir.create_branch."""
1044
name = self._get_selected_branch()
1045
path = self._get_branch_path(name)
1046
if name is not None:
1047
self.control_files.lock_write()
1049
branches = self._read_branch_list()
1051
branches.remove(name.encode("utf-8"))
1053
raise errors.NotBranchError(name)
1054
self._write_branch_list(branches)
1056
self.control_files.unlock()
1057
self.transport.delete_tree(path)
1059
def get_branches(self):
1060
"""See ControlDir.get_branches."""
1063
ret[None] = self.open_branch()
1064
except (errors.NotBranchError, errors.NoRepositoryPresent):
1067
for name in self._read_branch_list():
1068
ret[name] = self.open_branch(name.decode('utf-8'))
1072
def get_branch_transport(self, branch_format, name=None):
1073
"""See BzrDir.get_branch_transport()."""
1074
path = self._get_branch_path(name)
1075
# XXX: this shouldn't implicitly create the directory if it's just
1076
# promising to get a transport -- mbp 20090727
1077
if branch_format is None:
1078
return self.transport.clone(path)
1080
branch_format.get_format_string()
1081
except NotImplementedError:
1082
raise errors.IncompatibleFormat(branch_format, self._format)
1083
if name is not None:
1085
self.transport.mkdir('branches', mode=self._get_mkdir_mode())
1086
except errors.FileExists:
1088
branches = self._read_branch_list()
1089
utf8_name = name.encode("utf-8")
1090
if not utf8_name in branches:
1091
self.control_files.lock_write()
1093
branches = self._read_branch_list()
1094
branches.append(utf8_name)
1095
self._write_branch_list(branches)
1097
self.control_files.unlock()
1099
self.transport.mkdir(path, mode=self._get_mkdir_mode())
1100
except errors.FileExists:
1102
return self.transport.clone(path)
1105
class BzrFormat(object):
1106
"""Base class for all formats of things living in metadirs.
1108
This class manages the format string that is stored in the 'format'
1109
or 'branch-format' file.
1111
All classes for (branch-, repository-, workingtree-) formats that
1112
live in meta directories and have their own 'format' file
1113
(i.e. different from .bzr/branch-format) derive from this class,
1114
as well as the relevant base class for their kind
1115
(BranchFormat, WorkingTreeFormat, RepositoryFormat).
1117
Each format is identified by a "format" or "branch-format" file with a
1118
single line containing the base format name and then an optional list of
1121
Feature flags are supported as of bzr 2.5. Setting feature flags on formats
1122
will render them inaccessible to older versions of bzr.
1124
:ivar features: Dictionary mapping feature names to their necessity
1127
_present_features = set()
1133
def register_feature(cls, name):
1134
"""Register a feature as being present.
1136
:param name: Name of the feature
1139
raise ValueError("spaces are not allowed in feature names")
1140
if name in cls._present_features:
1141
raise errors.FeatureAlreadyRegistered(name)
1142
cls._present_features.add(name)
1145
def unregister_feature(cls, name):
1146
"""Unregister a feature."""
1147
cls._present_features.remove(name)
1149
def check_support_status(self, allow_unsupported, recommend_upgrade=True,
1151
for name, necessity in self.features.iteritems():
1152
if name in self._present_features:
1154
if necessity == "optional":
1155
mutter("ignoring optional missing feature %s", name)
1157
elif necessity == "required":
1158
raise errors.MissingFeature(name)
1160
mutter("treating unknown necessity as require for %s",
1162
raise errors.MissingFeature(name)
1165
def get_format_string(cls):
1166
"""Return the ASCII format string that identifies this format."""
1167
raise NotImplementedError(cls.get_format_string)
1170
def from_string(cls, text):
1171
format_string = cls.get_format_string()
1172
if not text.startswith(format_string):
1173
raise AssertionError("Invalid format header %r for %r" % (text, cls))
1174
lines = text[len(format_string):].splitlines()
1176
for lineno, line in enumerate(lines):
1178
(necessity, feature) = line.split(" ", 1)
1180
raise errors.ParseFormatError(format=cls, lineno=lineno+2,
1181
line=line, text=text)
1182
ret.features[feature] = necessity
1185
def as_string(self):
1186
"""Return the string representation of this format.
1188
lines = [self.get_format_string()]
1189
lines.extend([("%s %s\n" % (item[1], item[0])) for item in
1190
self.features.iteritems()])
1191
return "".join(lines)
1194
def _find_format(klass, registry, kind, format_string):
1196
first_line = format_string[:format_string.index("\n")+1]
1198
first_line = format_string
1200
cls = registry.get(first_line)
1202
raise errors.UnknownFormatError(format=first_line, kind=kind)
1203
return cls.from_string(format_string)
1205
def network_name(self):
1206
"""A simple byte string uniquely identifying this format for RPC calls.
1208
Metadir branch formats use their format string.
1210
return self.as_string()
1212
def __eq__(self, other):
1213
return (self.__class__ is other.__class__ and
1214
self.features == other.features)
1217
class BzrProber(controldir.Prober):
1218
"""Prober for formats that use a .bzr/ control directory."""
1220
formats = registry.FormatRegistry(controldir.network_format_registry)
1221
"""The known .bzr formats."""
1224
@deprecated_method(deprecated_in((2, 4, 0)))
1225
def register_bzrdir_format(klass, format):
1226
klass.formats.register(format.get_format_string(), format)
1229
@deprecated_method(deprecated_in((2, 4, 0)))
1230
def unregister_bzrdir_format(klass, format):
1231
klass.formats.remove(format.get_format_string())
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, bzrdir, 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)
1441
temp_control._transport.mkdir('.bzr',
1442
# FIXME: RBC 20060121 don't peek under
1444
mode=temp_control._dir_mode)
1445
if sys.platform == 'win32' and isinstance(transport, local.LocalTransport):
1446
win32utils.set_file_attr_hidden(transport._abspath('.bzr'))
1447
file_mode = temp_control._file_mode
1449
bzrdir_transport = transport.clone('.bzr')
1450
utf8_files = [('README',
1451
"This is a Bazaar control directory.\n"
1452
"Do not change any files in this directory.\n"
1453
"See http://bazaar.canonical.com/ for more information about Bazaar.\n"),
1454
('branch-format', self.get_format_string()),
1456
# NB: no need to escape relative paths that are url safe.
1457
control_files = lockable_files.LockableFiles(bzrdir_transport,
1458
self._lock_file_name, self._lock_class)
1459
control_files.create_lock()
1460
control_files.lock_write()
1462
for (filename, content) in utf8_files:
1463
bzrdir_transport.put_bytes(filename, content,
1466
control_files.unlock()
1467
return self.open(transport, _found=True)
1469
def open(self, transport, _found=False):
1470
"""Return an instance of this format for the dir transport points at.
1472
_found is a private parameter, do not use it.
1475
found_format = controldir.ControlDirFormat.find_format(transport)
1476
if not isinstance(found_format, self.__class__):
1477
raise AssertionError("%s was asked to open %s, but it seems to need "
1479
% (self, transport, found_format))
1480
# Allow subclasses - use the found format.
1481
self._supply_sub_formats_to(found_format)
1482
return found_format._open(transport)
1483
return self._open(transport)
1485
def _open(self, transport):
1486
"""Template method helper for opening BzrDirectories.
1488
This performs the actual open and any additional logic or parameter
1491
raise NotImplementedError(self._open)
1493
def _supply_sub_formats_to(self, other_format):
1494
"""Give other_format the same values for sub formats as this has.
1496
This method is expected to be used when parameterising a
1497
RemoteBzrDirFormat instance with the parameters from a
1498
BzrDirMetaFormat1 instance.
1500
:param other_format: other_format is a format which should be
1501
compatible with whatever sub formats are supported by self.
1504
other_format.features = dict(self.features)
1506
def supports_transport(self, transport):
1507
# bzr formats can be opened over all known transports
1510
def check_support_status(self, allow_unsupported, recommend_upgrade=True,
1512
controldir.ControlDirFormat.check_support_status(self,
1513
allow_unsupported=allow_unsupported, recommend_upgrade=recommend_upgrade,
1515
BzrFormat.check_support_status(self, allow_unsupported=allow_unsupported,
1516
recommend_upgrade=recommend_upgrade, basedir=basedir)
1519
class BzrDirMetaFormat1(BzrDirFormat):
1520
"""Bzr meta control format 1
1522
This is the first format with split out working tree, branch and repository
1527
- Format 3 working trees [optional]
1528
- Format 5 branches [optional]
1529
- Format 7 repositories [optional]
1532
_lock_class = lockdir.LockDir
1534
fixed_components = False
1536
colocated_branches = False
1539
BzrDirFormat.__init__(self)
1540
self._workingtree_format = None
1541
self._branch_format = None
1542
self._repository_format = None
1544
def __eq__(self, other):
1545
if other.__class__ is not self.__class__:
1547
if other.repository_format != self.repository_format:
1549
if other.workingtree_format != self.workingtree_format:
1551
if other.features != self.features:
1555
def __ne__(self, other):
1556
return not self == other
1558
def get_branch_format(self):
1559
if self._branch_format is None:
1560
from bzrlib.branch import format_registry as branch_format_registry
1561
self._branch_format = branch_format_registry.get_default()
1562
return self._branch_format
1564
def set_branch_format(self, format):
1565
self._branch_format = format
1567
def require_stacking(self, stack_on=None, possible_transports=None,
1569
"""We have a request to stack, try to ensure the formats support it.
1571
:param stack_on: If supplied, it is the URL to a branch that we want to
1572
stack on. Check to see if that format supports stacking before
1575
# Stacking is desired. requested by the target, but does the place it
1576
# points at support stacking? If it doesn't then we should
1577
# not implicitly upgrade. We check this here.
1578
new_repo_format = None
1579
new_branch_format = None
1581
# a bit of state for get_target_branch so that we don't try to open it
1582
# 2 times, for both repo *and* branch
1583
target = [None, False, None] # target_branch, checked, upgrade anyway
1584
def get_target_branch():
1586
# We've checked, don't check again
1588
if stack_on is None:
1589
# No target format, that means we want to force upgrading
1590
target[:] = [None, True, True]
1593
target_dir = BzrDir.open(stack_on,
1594
possible_transports=possible_transports)
1595
except errors.NotBranchError:
1596
# Nothing there, don't change formats
1597
target[:] = [None, True, False]
1599
except errors.JailBreak:
1600
# JailBreak, JFDI and upgrade anyway
1601
target[:] = [None, True, True]
1604
target_branch = target_dir.open_branch()
1605
except errors.NotBranchError:
1606
# No branch, don't upgrade formats
1607
target[:] = [None, True, False]
1609
target[:] = [target_branch, True, False]
1612
if (not _skip_repo and
1613
not self.repository_format.supports_external_lookups):
1614
# We need to upgrade the Repository.
1615
target_branch, _, do_upgrade = get_target_branch()
1616
if target_branch is None:
1617
# We don't have a target branch, should we upgrade anyway?
1619
# stack_on is inaccessible, JFDI.
1620
# TODO: bad monkey, hard-coded formats...
1621
if self.repository_format.rich_root_data:
1622
new_repo_format = knitpack_repo.RepositoryFormatKnitPack5RichRoot()
1624
new_repo_format = knitpack_repo.RepositoryFormatKnitPack5()
1626
# If the target already supports stacking, then we know the
1627
# project is already able to use stacking, so auto-upgrade
1629
new_repo_format = target_branch.repository._format
1630
if not new_repo_format.supports_external_lookups:
1631
# target doesn't, source doesn't, so don't auto upgrade
1633
new_repo_format = None
1634
if new_repo_format is not None:
1635
self.repository_format = new_repo_format
1636
note(gettext('Source repository format does not support stacking,'
1637
' using format:\n %s'),
1638
new_repo_format.get_format_description())
1640
if not self.get_branch_format().supports_stacking():
1641
# We just checked the repo, now lets check if we need to
1642
# upgrade the branch format
1643
target_branch, _, do_upgrade = get_target_branch()
1644
if target_branch is None:
1646
# TODO: bad monkey, hard-coded formats...
1647
from bzrlib.branch import BzrBranchFormat7
1648
new_branch_format = BzrBranchFormat7()
1650
new_branch_format = target_branch._format
1651
if not new_branch_format.supports_stacking():
1652
new_branch_format = None
1653
if new_branch_format is not None:
1654
# Does support stacking, use its format.
1655
self.set_branch_format(new_branch_format)
1656
note(gettext('Source branch format does not support stacking,'
1657
' using format:\n %s'),
1658
new_branch_format.get_format_description())
1660
def get_converter(self, format=None):
1661
"""See BzrDirFormat.get_converter()."""
1663
format = BzrDirFormat.get_default_format()
1664
if (type(self) is BzrDirMetaFormat1 and
1665
type(format) is BzrDirMetaFormat1Colo):
1666
return ConvertMetaToColo(format)
1667
if (type(self) is BzrDirMetaFormat1Colo and
1668
type(format) is BzrDirMetaFormat1):
1669
return ConvertMetaRemoveColo(format)
1670
if not isinstance(self, format.__class__):
1671
# converting away from metadir is not implemented
1672
raise NotImplementedError(self.get_converter)
1673
return ConvertMetaToMeta(format)
1676
def get_format_string(cls):
1677
"""See BzrDirFormat.get_format_string()."""
1678
return "Bazaar-NG meta directory, format 1\n"
1680
def get_format_description(self):
1681
"""See BzrDirFormat.get_format_description()."""
1682
return "Meta directory format 1"
1684
def _open(self, transport):
1685
"""See BzrDirFormat._open."""
1686
# Create a new format instance because otherwise initialisation of new
1687
# metadirs share the global default format object leading to alias
1689
format = BzrDirMetaFormat1()
1690
self._supply_sub_formats_to(format)
1691
return BzrDirMeta1(transport, format)
1693
def __return_repository_format(self):
1694
"""Circular import protection."""
1695
if self._repository_format:
1696
return self._repository_format
1697
from bzrlib.repository import format_registry
1698
return format_registry.get_default()
1700
def _set_repository_format(self, value):
1701
"""Allow changing the repository format for metadir formats."""
1702
self._repository_format = value
1704
repository_format = property(__return_repository_format,
1705
_set_repository_format)
1707
def _supply_sub_formats_to(self, other_format):
1708
"""Give other_format the same values for sub formats as this has.
1710
This method is expected to be used when parameterising a
1711
RemoteBzrDirFormat instance with the parameters from a
1712
BzrDirMetaFormat1 instance.
1714
:param other_format: other_format is a format which should be
1715
compatible with whatever sub formats are supported by self.
1718
super(BzrDirMetaFormat1, self)._supply_sub_formats_to(other_format)
1719
if getattr(self, '_repository_format', None) is not None:
1720
other_format.repository_format = self.repository_format
1721
if self._branch_format is not None:
1722
other_format._branch_format = self._branch_format
1723
if self._workingtree_format is not None:
1724
other_format.workingtree_format = self.workingtree_format
1726
def __get_workingtree_format(self):
1727
if self._workingtree_format is None:
1728
from bzrlib.workingtree import (
1729
format_registry as wt_format_registry,
1731
self._workingtree_format = wt_format_registry.get_default()
1732
return self._workingtree_format
1734
def __set_workingtree_format(self, wt_format):
1735
self._workingtree_format = wt_format
1738
return "<%r>" % (self.__class__.__name__,)
1740
workingtree_format = property(__get_workingtree_format,
1741
__set_workingtree_format)
1744
# Register bzr formats
1745
BzrProber.formats.register(BzrDirMetaFormat1.get_format_string(),
1747
controldir.ControlDirFormat._default_format = BzrDirMetaFormat1()
1750
class BzrDirMetaFormat1Colo(BzrDirMetaFormat1):
1751
"""BzrDirMeta1 format with support for colocated branches."""
1753
colocated_branches = True
1756
def get_format_string(cls):
1757
"""See BzrDirFormat.get_format_string()."""
1758
return "Bazaar meta directory, format 1 (with colocated branches)\n"
1760
def get_format_description(self):
1761
"""See BzrDirFormat.get_format_description()."""
1762
return "Meta directory format 1 with support for colocated branches"
1764
def _open(self, transport):
1765
"""See BzrDirFormat._open."""
1766
# Create a new format instance because otherwise initialisation of new
1767
# metadirs share the global default format object leading to alias
1769
format = BzrDirMetaFormat1Colo()
1770
self._supply_sub_formats_to(format)
1771
return BzrDirMeta1Colo(transport, format)
1774
BzrProber.formats.register(BzrDirMetaFormat1Colo.get_format_string(),
1775
BzrDirMetaFormat1Colo)
1778
class ConvertMetaToMeta(controldir.Converter):
1779
"""Converts the components of metadirs."""
1781
def __init__(self, target_format):
1782
"""Create a metadir to metadir converter.
1784
:param target_format: The final metadir format that is desired.
1786
self.target_format = target_format
1788
def convert(self, to_convert, pb):
1789
"""See Converter.convert()."""
1790
self.bzrdir = to_convert
1791
self.pb = ui.ui_factory.nested_progress_bar()
1794
self.step('checking repository format')
1796
repo = self.bzrdir.open_repository()
1797
except errors.NoRepositoryPresent:
1800
if not isinstance(repo._format, self.target_format.repository_format.__class__):
1801
from bzrlib.repository import CopyConverter
1802
ui.ui_factory.note(gettext('starting repository conversion'))
1803
converter = CopyConverter(self.target_format.repository_format)
1804
converter.convert(repo, pb)
1805
for branch in self.bzrdir.list_branches():
1806
# TODO: conversions of Branch and Tree should be done by
1807
# InterXFormat lookups/some sort of registry.
1808
# Avoid circular imports
1809
old = branch._format.__class__
1810
new = self.target_format.get_branch_format().__class__
1812
if (old == _mod_branch.BzrBranchFormat5 and
1813
new in (_mod_branch.BzrBranchFormat6,
1814
_mod_branch.BzrBranchFormat7,
1815
_mod_branch.BzrBranchFormat8)):
1816
branch_converter = _mod_branch.Converter5to6()
1817
elif (old == _mod_branch.BzrBranchFormat6 and
1818
new in (_mod_branch.BzrBranchFormat7,
1819
_mod_branch.BzrBranchFormat8)):
1820
branch_converter = _mod_branch.Converter6to7()
1821
elif (old == _mod_branch.BzrBranchFormat7 and
1822
new is _mod_branch.BzrBranchFormat8):
1823
branch_converter = _mod_branch.Converter7to8()
1825
raise errors.BadConversionTarget("No converter", new,
1827
branch_converter.convert(branch)
1828
branch = self.bzrdir.open_branch()
1829
old = branch._format.__class__
1831
tree = self.bzrdir.open_workingtree(recommend_upgrade=False)
1832
except (errors.NoWorkingTree, errors.NotLocalUrl):
1835
# TODO: conversions of Branch and Tree should be done by
1836
# InterXFormat lookups
1837
if (isinstance(tree, workingtree_3.WorkingTree3) and
1838
not isinstance(tree, workingtree_4.DirStateWorkingTree) and
1839
isinstance(self.target_format.workingtree_format,
1840
workingtree_4.DirStateWorkingTreeFormat)):
1841
workingtree_4.Converter3to4().convert(tree)
1842
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
1843
not isinstance(tree, workingtree_4.WorkingTree5) and
1844
isinstance(self.target_format.workingtree_format,
1845
workingtree_4.WorkingTreeFormat5)):
1846
workingtree_4.Converter4to5().convert(tree)
1847
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
1848
not isinstance(tree, workingtree_4.WorkingTree6) and
1849
isinstance(self.target_format.workingtree_format,
1850
workingtree_4.WorkingTreeFormat6)):
1851
workingtree_4.Converter4or5to6().convert(tree)
1856
class ConvertMetaToColo(controldir.Converter):
1857
"""Add colocated branch support."""
1859
def __init__(self, target_format):
1860
"""Create a converter.that upgrades a metadir to the colo format.
1862
:param target_format: The final metadir format that is desired.
1864
self.target_format = target_format
1866
def convert(self, to_convert, pb):
1867
"""See Converter.convert()."""
1868
to_convert.transport.put_bytes('branch-format',
1869
self.target_format.get_format_string())
1870
return BzrDir.open_from_transport(to_convert.root_transport)
1873
class ConvertMetaRemoveColo(controldir.Converter):
1874
"""Remove colocated branch support from a bzrdir."""
1876
def __init__(self, target_format):
1877
"""Create a converter.that downgrades a colocated branch metadir
1878
to a regular metadir.
1880
:param target_format: The final metadir format that is desired.
1882
self.target_format = target_format
1884
def convert(self, to_convert, pb):
1885
"""See Converter.convert()."""
1886
to_convert.control_files.lock_write()
1888
branches = to_convert.list_branches()
1889
if len(branches) > 1:
1890
raise errors.BzrError("remove all but a single "
1891
"colocated branch when downgrading")
1893
to_convert.control_files.unlock()
1894
to_convert.transport.put_bytes('branch-format',
1895
self.target_format.get_format_string())
1896
return BzrDir.open_from_transport(to_convert.root_transport)
1899
controldir.ControlDirFormat.register_server_prober(RemoteBzrProber)
1902
class RepositoryAcquisitionPolicy(object):
1903
"""Abstract base class for repository acquisition policies.
1905
A repository acquisition policy decides how a BzrDir acquires a repository
1906
for a branch that is being created. The most basic policy decision is
1907
whether to create a new repository or use an existing one.
1909
def __init__(self, stack_on, stack_on_pwd, require_stacking):
1912
:param stack_on: A location to stack on
1913
:param stack_on_pwd: If stack_on is relative, the location it is
1915
:param require_stacking: If True, it is a failure to not stack.
1917
self._stack_on = stack_on
1918
self._stack_on_pwd = stack_on_pwd
1919
self._require_stacking = require_stacking
1921
def configure_branch(self, branch):
1922
"""Apply any configuration data from this policy to the branch.
1924
Default implementation sets repository stacking.
1926
if self._stack_on is None:
1928
if self._stack_on_pwd is None:
1929
stack_on = self._stack_on
1932
stack_on = urlutils.rebase_url(self._stack_on,
1935
except errors.InvalidRebaseURLs:
1936
stack_on = self._get_full_stack_on()
1938
branch.set_stacked_on_url(stack_on)
1939
except (errors.UnstackableBranchFormat,
1940
errors.UnstackableRepositoryFormat):
1941
if self._require_stacking:
1944
def requires_stacking(self):
1945
"""Return True if this policy requires stacking."""
1946
return self._stack_on is not None and self._require_stacking
1948
def _get_full_stack_on(self):
1949
"""Get a fully-qualified URL for the stack_on location."""
1950
if self._stack_on is None:
1952
if self._stack_on_pwd is None:
1953
return self._stack_on
1955
return urlutils.join(self._stack_on_pwd, self._stack_on)
1957
def _add_fallback(self, repository, possible_transports=None):
1958
"""Add a fallback to the supplied repository, if stacking is set."""
1959
stack_on = self._get_full_stack_on()
1960
if stack_on is None:
1963
stacked_dir = BzrDir.open(stack_on,
1964
possible_transports=possible_transports)
1965
except errors.JailBreak:
1966
# We keep the stacking details, but we are in the server code so
1967
# actually stacking is not needed.
1970
stacked_repo = stacked_dir.open_branch().repository
1971
except errors.NotBranchError:
1972
stacked_repo = stacked_dir.open_repository()
1974
repository.add_fallback_repository(stacked_repo)
1975
except errors.UnstackableRepositoryFormat:
1976
if self._require_stacking:
1979
self._require_stacking = True
1981
def acquire_repository(self, make_working_trees=None, shared=False,
1982
possible_transports=None):
1983
"""Acquire a repository for this bzrdir.
1985
Implementations may create a new repository or use a pre-exising
1988
:param make_working_trees: If creating a repository, set
1989
make_working_trees to this value (if non-None)
1990
:param shared: If creating a repository, make it shared if True
1991
:return: A repository, is_new_flag (True if the repository was
1994
raise NotImplementedError(RepositoryAcquisitionPolicy.acquire_repository)
1997
class CreateRepository(RepositoryAcquisitionPolicy):
1998
"""A policy of creating a new repository"""
2000
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
2001
require_stacking=False):
2004
:param bzrdir: The bzrdir to create the repository on.
2005
:param stack_on: A location to stack on
2006
:param stack_on_pwd: If stack_on is relative, the location it is
2009
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2011
self._bzrdir = bzrdir
2013
def acquire_repository(self, make_working_trees=None, shared=False,
2014
possible_transports=None):
2015
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2017
Creates the desired repository in the bzrdir we already have.
2019
if possible_transports is None:
2020
possible_transports = []
2022
possible_transports = list(possible_transports)
2023
possible_transports.append(self._bzrdir.root_transport)
2024
stack_on = self._get_full_stack_on()
2026
format = self._bzrdir._format
2027
format.require_stacking(stack_on=stack_on,
2028
possible_transports=possible_transports)
2029
if not self._require_stacking:
2030
# We have picked up automatic stacking somewhere.
2031
note(gettext('Using default stacking branch {0} at {1}').format(
2032
self._stack_on, self._stack_on_pwd))
2033
repository = self._bzrdir.create_repository(shared=shared)
2034
self._add_fallback(repository,
2035
possible_transports=possible_transports)
2036
if make_working_trees is not None:
2037
repository.set_make_working_trees(make_working_trees)
2038
return repository, True
2041
class UseExistingRepository(RepositoryAcquisitionPolicy):
2042
"""A policy of reusing an existing repository"""
2044
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
2045
require_stacking=False):
2048
:param repository: The repository to use.
2049
:param stack_on: A location to stack on
2050
:param stack_on_pwd: If stack_on is relative, the location it is
2053
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2055
self._repository = repository
2057
def acquire_repository(self, make_working_trees=None, shared=False,
2058
possible_transports=None):
2059
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2061
Returns an existing repository to use.
2063
if possible_transports is None:
2064
possible_transports = []
2066
possible_transports = list(possible_transports)
2067
possible_transports.append(self._repository.bzrdir.transport)
2068
self._add_fallback(self._repository,
2069
possible_transports=possible_transports)
2070
return self._repository, False
2073
def register_metadir(registry, key,
2074
repository_format, help, native=True, deprecated=False,
2079
alias=False, bzrdir_format=None):
2080
"""Register a metadir subformat.
2082
These all use a meta bzrdir, but can be parameterized by the
2083
Repository/Branch/WorkingTreeformats.
2085
:param repository_format: The fully-qualified repository format class
2087
:param branch_format: Fully-qualified branch format class name as
2089
:param tree_format: Fully-qualified tree format class name as
2092
if bzrdir_format is None:
2093
bzrdir_format = BzrDirMetaFormat1
2094
# This should be expanded to support setting WorkingTree and Branch
2095
# formats, once the API supports that.
2096
def _load(full_name):
2097
mod_name, factory_name = full_name.rsplit('.', 1)
2099
factory = pyutils.get_named_object(mod_name, factory_name)
2100
except ImportError, e:
2101
raise ImportError('failed to load %s: %s' % (full_name, e))
2102
except AttributeError:
2103
raise AttributeError('no factory %s in module %r'
2104
% (full_name, sys.modules[mod_name]))
2108
bd = bzrdir_format()
2109
if branch_format is not None:
2110
bd.set_branch_format(_load(branch_format))
2111
if tree_format is not None:
2112
bd.workingtree_format = _load(tree_format)
2113
if repository_format is not None:
2114
bd.repository_format = _load(repository_format)
2116
registry.register(key, helper, help, native, deprecated, hidden,
2117
experimental, alias)
2119
register_metadir(controldir.format_registry, 'knit',
2120
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2121
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
2122
branch_format='bzrlib.branch.BzrBranchFormat5',
2123
tree_format='bzrlib.workingtree_3.WorkingTreeFormat3',
2126
register_metadir(controldir.format_registry, 'dirstate',
2127
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2128
help='Format using dirstate for working trees. '
2129
'Compatible with bzr 0.8 and '
2130
'above when accessed over the network. Introduced in bzr 0.15.',
2131
branch_format='bzrlib.branch.BzrBranchFormat5',
2132
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2135
register_metadir(controldir.format_registry, 'dirstate-tags',
2136
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2137
help='Variant of dirstate with support for tags. '
2138
'Introduced in bzr 0.15.',
2139
branch_format='bzrlib.branch.BzrBranchFormat6',
2140
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2143
register_metadir(controldir.format_registry, 'rich-root',
2144
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
2145
help='Variant of dirstate with better handling of tree roots. '
2146
'Introduced in bzr 1.0',
2147
branch_format='bzrlib.branch.BzrBranchFormat6',
2148
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2151
register_metadir(controldir.format_registry, 'dirstate-with-subtree',
2152
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
2153
help='Variant of dirstate with support for nested trees. '
2154
'Introduced in 0.15.',
2155
branch_format='bzrlib.branch.BzrBranchFormat6',
2156
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2160
register_metadir(controldir.format_registry, 'pack-0.92',
2161
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack1',
2162
help='Pack-based format used in 1.x series. Introduced in 0.92. '
2163
'Interoperates with bzr repositories before 0.92 but cannot be '
2164
'read by bzr < 0.92. '
2166
branch_format='bzrlib.branch.BzrBranchFormat6',
2167
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2170
register_metadir(controldir.format_registry, 'pack-0.92-subtree',
2171
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack3',
2172
help='Pack-based format used in 1.x series, with subtree support. '
2173
'Introduced in 0.92. Interoperates with '
2174
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
2176
branch_format='bzrlib.branch.BzrBranchFormat6',
2177
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2182
register_metadir(controldir.format_registry, 'rich-root-pack',
2183
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack4',
2184
help='A variant of pack-0.92 that supports rich-root data '
2185
'(needed for bzr-svn and bzr-git). Introduced in 1.0.',
2186
branch_format='bzrlib.branch.BzrBranchFormat6',
2187
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2191
register_metadir(controldir.format_registry, '1.6',
2192
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack5',
2193
help='A format that allows a branch to indicate that there is another '
2194
'(stacked) repository that should be used to access data that is '
2195
'not present locally.',
2196
branch_format='bzrlib.branch.BzrBranchFormat7',
2197
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2201
register_metadir(controldir.format_registry, '1.6.1-rich-root',
2202
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack5RichRoot',
2203
help='A variant of 1.6 that supports rich-root data '
2204
'(needed for bzr-svn and bzr-git).',
2205
branch_format='bzrlib.branch.BzrBranchFormat7',
2206
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2210
register_metadir(controldir.format_registry, '1.9',
2211
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6',
2212
help='A repository format using B+tree indexes. These indexes '
2213
'are smaller in size, have smarter caching and provide faster '
2214
'performance for most operations.',
2215
branch_format='bzrlib.branch.BzrBranchFormat7',
2216
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2220
register_metadir(controldir.format_registry, '1.9-rich-root',
2221
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6RichRoot',
2222
help='A variant of 1.9 that supports rich-root data '
2223
'(needed for bzr-svn and bzr-git).',
2224
branch_format='bzrlib.branch.BzrBranchFormat7',
2225
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2229
register_metadir(controldir.format_registry, '1.14',
2230
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6',
2231
help='A working-tree format that supports content filtering.',
2232
branch_format='bzrlib.branch.BzrBranchFormat7',
2233
tree_format='bzrlib.workingtree_4.WorkingTreeFormat5',
2237
register_metadir(controldir.format_registry, '1.14-rich-root',
2238
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6RichRoot',
2239
help='A variant of 1.14 that supports rich-root data '
2240
'(needed for bzr-svn and bzr-git).',
2241
branch_format='bzrlib.branch.BzrBranchFormat7',
2242
tree_format='bzrlib.workingtree_4.WorkingTreeFormat5',
2246
# The following un-numbered 'development' formats should always just be aliases.
2247
register_metadir(controldir.format_registry, 'development-subtree',
2248
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2aSubtree',
2249
help='Current development format, subtree variant. Can convert data to and '
2250
'from pack-0.92-subtree (and anything compatible with '
2251
'pack-0.92-subtree) format repositories. Repositories and branches in '
2252
'this format can only be read by bzr.dev. Please read '
2253
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
2255
branch_format='bzrlib.branch.BzrBranchFormat7',
2256
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2259
alias=False, # Restore to being an alias when an actual development subtree format is added
2260
# This current non-alias status is simply because we did not introduce a
2261
# chk based subtree format.
2263
register_metadir(controldir.format_registry, 'development5-subtree',
2264
'bzrlib.repofmt.knitpack_repo.RepositoryFormatPackDevelopment2Subtree',
2265
help='Development format, subtree variant. Can convert data to and '
2266
'from pack-0.92-subtree (and anything compatible with '
2267
'pack-0.92-subtree) format repositories. Repositories and branches in '
2268
'this format can only be read by bzr.dev. Please read '
2269
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
2271
branch_format='bzrlib.branch.BzrBranchFormat7',
2272
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2278
register_metadir(controldir.format_registry, 'development-colo',
2279
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
2280
help='The 2a format with experimental support for colocated branches.\n',
2281
branch_format='bzrlib.branch.BzrBranchFormat7',
2282
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2284
bzrdir_format=BzrDirMetaFormat1Colo,
2288
# And the development formats above will have aliased one of the following:
2290
# Finally, the current format.
2291
register_metadir(controldir.format_registry, '2a',
2292
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
2293
help='Format for the bzr 2.0 series.\n'
2294
'Uses group-compress storage.\n'
2295
'Provides rich roots which are a one-way transition.\n',
2296
# 'storage in packs, 255-way hashed CHK inventory, bencode revision, group compress, '
2297
# 'rich roots. Supported by bzr 1.16 and later.',
2298
branch_format='bzrlib.branch.BzrBranchFormat7',
2299
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2303
# The following format should be an alias for the rich root equivalent
2304
# of the default format
2305
register_metadir(controldir.format_registry, 'default-rich-root',
2306
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
2307
branch_format='bzrlib.branch.BzrBranchFormat7',
2308
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2313
# The current format that is made on 'bzr init'.
2314
format_name = config.GlobalStack().get('default_format')
2315
controldir.format_registry.set_default(format_name)
2317
# XXX 2010-08-20 JRV: There is still a lot of code relying on
2318
# bzrlib.bzrdir.format_registry existing. When BzrDir.create/BzrDir.open/etc
2319
# get changed to ControlDir.create/ControlDir.open/etc this should be removed.
2320
format_registry = controldir.format_registry
added
removed
bzrlib/bzrdir.py
