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# Copyright (C) 2005, 2006, 2007, 2008 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""BzrDir logic. The BzrDir is the basic control directory used by bzr.
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At format 7 this was split out into Branch, Repository and Checkout control
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Note: This module has a lot of ``open`` functions/methods that return
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references to in-memory objects. As a rule, there are no matching ``close``
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methods. To free any associated resources, simply stop referencing the
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# TODO: Move old formats into a plugin to make this file smaller.
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from stat import S_ISDIR
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revision as _mod_revision,
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from bzrlib.osutils import (
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from bzrlib.smart.client import _SmartClient
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from bzrlib.store.versioned import WeaveStore
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from bzrlib.transactions import WriteTransaction
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from bzrlib.transport import (
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do_catching_redirections,
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from bzrlib.weave import Weave
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from bzrlib.trace import (
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"""A .bzr control diretory.
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BzrDir instances let you create or open any of the things that can be
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found within .bzr - checkouts, branches and repositories.
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the transport which this bzr dir is rooted at (i.e. file:///.../.bzr/)
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a transport connected to the directory this bzr was opened from
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(i.e. the parent directory holding the .bzr directory).
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Everything in the bzrdir should have the same file permissions.
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"""Invoke break_lock on the first object in the bzrdir.
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If there is a tree, the tree is opened and break_lock() called.
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Otherwise, branch is tried, and finally repository.
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# XXX: This seems more like a UI function than something that really
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# belongs in this class.
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thing_to_unlock = self.open_workingtree()
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except (errors.NotLocalUrl, errors.NoWorkingTree):
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thing_to_unlock = self.open_branch()
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except errors.NotBranchError:
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thing_to_unlock = self.open_repository()
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except errors.NoRepositoryPresent:
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thing_to_unlock.break_lock()
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def can_convert_format(self):
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"""Return true if this bzrdir is one whose format we can convert from."""
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def check_conversion_target(self, target_format):
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target_repo_format = target_format.repository_format
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source_repo_format = self._format.repository_format
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source_repo_format.check_conversion_target(target_repo_format)
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def _check_supported(format, allow_unsupported,
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recommend_upgrade=True,
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"""Give an error or warning on old formats.
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:param format: may be any kind of format - workingtree, branch,
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:param allow_unsupported: If true, allow opening
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formats that are strongly deprecated, and which may
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have limited functionality.
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:param recommend_upgrade: If true (default), warn
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the user through the ui object that they may wish
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to upgrade the object.
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# TODO: perhaps move this into a base Format class; it's not BzrDir
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# specific. mbp 20070323
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if not allow_unsupported and not format.is_supported():
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# see open_downlevel to open legacy branches.
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raise errors.UnsupportedFormatError(format=format)
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if recommend_upgrade \
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and getattr(format, 'upgrade_recommended', False):
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ui.ui_factory.recommend_upgrade(
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format.get_format_description(),
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def clone(self, url, revision_id=None, force_new_repo=False,
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preserve_stacking=False):
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"""Clone this bzrdir and its contents to url verbatim.
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:param url: The url create the clone at. If url's last component does
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not exist, it will be created.
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:param revision_id: The tip revision-id to use for any branch or
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working tree. If not None, then the clone operation may tune
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itself to download less data.
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:param force_new_repo: Do not use a shared repository for the target
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even if one is available.
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:param preserve_stacking: When cloning a stacked branch, stack the
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new branch on top of the other branch's stacked-on branch.
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return self.clone_on_transport(get_transport(url),
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revision_id=revision_id,
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force_new_repo=force_new_repo,
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preserve_stacking=preserve_stacking)
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def clone_on_transport(self, transport, revision_id=None,
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force_new_repo=False, preserve_stacking=False,
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"""Clone this bzrdir and its contents to transport verbatim.
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:param transport: The transport for the location to produce the clone
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at. If the target directory does not exist, it will be created.
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:param revision_id: The tip revision-id to use for any branch or
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working tree. If not None, then the clone operation may tune
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itself to download less data.
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:param force_new_repo: Do not use a shared repository for the target,
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even if one is available.
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:param preserve_stacking: When cloning a stacked branch, stack the
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new branch on top of the other branch's stacked-on branch.
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transport.ensure_base()
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require_stacking = (stacked_on is not None)
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metadir = self.cloning_metadir(require_stacking)
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result = metadir.initialize_on_transport(transport)
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repository_policy = None
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local_repo = self.find_repository()
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except errors.NoRepositoryPresent:
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local_branch = self.open_branch()
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except errors.NotBranchError:
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# enable fallbacks when branch is not a branch reference
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if local_branch.repository.has_same_location(local_repo):
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local_repo = local_branch.repository
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if preserve_stacking:
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stacked_on = local_branch.get_stacked_on_url()
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except (errors.UnstackableBranchFormat,
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errors.UnstackableRepositoryFormat,
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# may need to copy content in
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repository_policy = result.determine_repository_policy(
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force_new_repo, stacked_on, self.root_transport.base,
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require_stacking=require_stacking)
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make_working_trees = local_repo.make_working_trees()
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result_repo = repository_policy.acquire_repository(
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make_working_trees, local_repo.is_shared())
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result_repo.fetch(local_repo, revision_id=revision_id)
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# 1 if there is a branch present
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# make sure its content is available in the target repository
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if local_branch is not None:
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result_branch = local_branch.clone(result, revision_id=revision_id)
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if repository_policy is not None:
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repository_policy.configure_branch(result_branch)
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if result_repo is None or result_repo.make_working_trees():
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self.open_workingtree().clone(result)
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except (errors.NoWorkingTree, errors.NotLocalUrl):
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# TODO: This should be given a Transport, and should chdir up; otherwise
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# this will open a new connection.
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def _make_tail(self, url):
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t = get_transport(url)
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def create(cls, base, format=None, possible_transports=None):
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"""Create a new BzrDir at the url 'base'.
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:param format: If supplied, the format of branch to create. If not
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supplied, the default is used.
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:param possible_transports: If supplied, a list of transports that
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can be reused to share a remote connection.
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if cls is not BzrDir:
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raise AssertionError("BzrDir.create always creates the default"
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" format, not one of %r" % cls)
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t = get_transport(base, possible_transports)
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format = BzrDirFormat.get_default_format()
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return format.initialize_on_transport(t)
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def find_bzrdirs(transport, evaluate=None, list_current=None):
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"""Find bzrdirs recursively from current location.
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This is intended primarily as a building block for more sophisticated
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functionality, like finding trees under a directory, or finding
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branches that use a given repository.
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:param evaluate: An optional callable that yields recurse, value,
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where recurse controls whether this bzrdir is recursed into
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and value is the value to yield. By default, all bzrdirs
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are recursed into, and the return value is the bzrdir.
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:param list_current: if supplied, use this function to list the current
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directory, instead of Transport.list_dir
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:return: a generator of found bzrdirs, or whatever evaluate returns.
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if list_current is None:
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def list_current(transport):
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return transport.list_dir('')
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def evaluate(bzrdir):
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pending = [transport]
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while len(pending) > 0:
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current_transport = pending.pop()
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bzrdir = BzrDir.open_from_transport(current_transport)
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except errors.NotBranchError:
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recurse, value = evaluate(bzrdir)
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subdirs = list_current(current_transport)
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except errors.NoSuchFile:
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for subdir in sorted(subdirs, reverse=True):
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pending.append(current_transport.clone(subdir))
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def find_branches(transport):
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"""Find all branches under a transport.
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This will find all branches below the transport, including branches
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inside other branches. Where possible, it will use
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Repository.find_branches.
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To list all the branches that use a particular Repository, see
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Repository.find_branches
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def evaluate(bzrdir):
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repository = bzrdir.open_repository()
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except errors.NoRepositoryPresent:
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return False, (None, repository)
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branch = bzrdir.open_branch()
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except errors.NotBranchError:
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return True, (None, None)
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return True, (branch, None)
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for branch, repo in BzrDir.find_bzrdirs(transport, evaluate=evaluate):
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branches.extend(repo.find_branches())
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if branch is not None:
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branches.append(branch)
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def destroy_repository(self):
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"""Destroy the repository in this BzrDir"""
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raise NotImplementedError(self.destroy_repository)
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def create_branch(self):
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"""Create a branch in this BzrDir.
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The bzrdir's format will control what branch format is created.
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For more control see BranchFormatXX.create(a_bzrdir).
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raise NotImplementedError(self.create_branch)
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def destroy_branch(self):
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"""Destroy the branch in this BzrDir"""
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raise NotImplementedError(self.destroy_branch)
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def create_branch_and_repo(base, force_new_repo=False, format=None):
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"""Create a new BzrDir, Branch and Repository at the url 'base'.
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This will use the current default BzrDirFormat unless one is
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specified, and use whatever
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repository format that that uses via bzrdir.create_branch and
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create_repository. If a shared repository is available that is used
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The created Branch object is returned.
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:param base: The URL to create the branch at.
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:param force_new_repo: If True a new repository is always created.
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:param format: If supplied, the format of branch to create. If not
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supplied, the default is used.
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bzrdir = BzrDir.create(base, format)
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bzrdir._find_or_create_repository(force_new_repo)
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return bzrdir.create_branch()
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def determine_repository_policy(self, force_new_repo=False, stack_on=None,
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stack_on_pwd=None, require_stacking=False):
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"""Return an object representing a policy to use.
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This controls whether a new repository is created, or a shared
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repository used instead.
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If stack_on is supplied, will not seek a containing shared repo.
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:param force_new_repo: If True, require a new repository to be created.
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:param stack_on: If supplied, the location to stack on. If not
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supplied, a default_stack_on location may be used.
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:param stack_on_pwd: If stack_on is relative, the location it is
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def repository_policy(found_bzrdir):
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config = found_bzrdir.get_config()
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if config is not None:
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stack_on = config.get_default_stack_on()
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if stack_on is not None:
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stack_on_pwd = found_bzrdir.root_transport.base
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note('Using default stacking branch %s at %s', stack_on,
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# does it have a repository ?
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repository = found_bzrdir.open_repository()
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except errors.NoRepositoryPresent:
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if ((found_bzrdir.root_transport.base !=
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self.root_transport.base) and not repository.is_shared()):
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return UseExistingRepository(repository, stack_on,
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stack_on_pwd, require_stacking=require_stacking), True
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return CreateRepository(self, stack_on, stack_on_pwd,
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require_stacking=require_stacking), True
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if not force_new_repo:
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policy = self._find_containing(repository_policy)
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if policy is not None:
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return UseExistingRepository(self.open_repository(),
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stack_on, stack_on_pwd,
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require_stacking=require_stacking)
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except errors.NoRepositoryPresent:
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return CreateRepository(self, stack_on, stack_on_pwd,
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require_stacking=require_stacking)
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def _find_or_create_repository(self, force_new_repo):
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"""Create a new repository if needed, returning the repository."""
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policy = self.determine_repository_policy(force_new_repo)
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return policy.acquire_repository()
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def create_branch_convenience(base, force_new_repo=False,
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force_new_tree=None, format=None,
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possible_transports=None):
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"""Create a new BzrDir, Branch and Repository at the url 'base'.
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This is a convenience function - it will use an existing repository
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if possible, can be told explicitly whether to create a working tree or
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This will use the current default BzrDirFormat unless one is
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specified, and use whatever
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repository format that that uses via bzrdir.create_branch and
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create_repository. If a shared repository is available that is used
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preferentially. Whatever repository is used, its tree creation policy
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The created Branch object is returned.
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If a working tree cannot be made due to base not being a file:// url,
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no error is raised unless force_new_tree is True, in which case no
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data is created on disk and NotLocalUrl is raised.
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:param base: The URL to create the branch at.
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:param force_new_repo: If True a new repository is always created.
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:param force_new_tree: If True or False force creation of a tree or
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prevent such creation respectively.
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:param format: Override for the bzrdir format to create.
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:param possible_transports: An optional reusable transports list.
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# check for non local urls
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t = get_transport(base, possible_transports)
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if not isinstance(t, local.LocalTransport):
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raise errors.NotLocalUrl(base)
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bzrdir = BzrDir.create(base, format, possible_transports)
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repo = bzrdir._find_or_create_repository(force_new_repo)
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result = bzrdir.create_branch()
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if force_new_tree or (repo.make_working_trees() and
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force_new_tree is None):
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bzrdir.create_workingtree()
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except errors.NotLocalUrl:
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def create_standalone_workingtree(base, format=None):
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"""Create a new BzrDir, WorkingTree, Branch and Repository at 'base'.
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'base' must be a local path or a file:// url.
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This will use the current default BzrDirFormat unless one is
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specified, and use whatever
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repository format that that uses for bzrdirformat.create_workingtree,
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create_branch and create_repository.
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:param format: Override for the bzrdir format to create.
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:return: The WorkingTree object.
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t = get_transport(base)
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if not isinstance(t, local.LocalTransport):
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raise errors.NotLocalUrl(base)
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bzrdir = BzrDir.create_branch_and_repo(base,
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format=format).bzrdir
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return bzrdir.create_workingtree()
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def create_workingtree(self, revision_id=None, from_branch=None,
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accelerator_tree=None, hardlink=False):
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"""Create a working tree at this BzrDir.
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:param revision_id: create it as of this revision id.
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:param from_branch: override bzrdir branch (for lightweight checkouts)
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:param accelerator_tree: A tree which can be used for retrieving file
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contents more quickly than the revision tree, i.e. a workingtree.
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The revision tree will be used for cases where accelerator_tree's
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content is different.
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raise NotImplementedError(self.create_workingtree)
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def 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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self.root_transport.copy_tree('.bzr', 'backup.bzr')
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return (self.root_transport.abspath('.bzr'),
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self.root_transport.abspath('backup.bzr'))
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def retire_bzrdir(self, limit=10000):
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"""Permanently disable the bzrdir.
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This is done by renaming it to give the user some ability to recover
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if there was a problem.
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This will have horrible consequences if anyone has anything locked or
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:param limit: number of times to retry
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to_path = '.bzr.retired.%d' % i
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self.root_transport.rename('.bzr', to_path)
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note("renamed %s to %s"
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% (self.root_transport.abspath('.bzr'), to_path))
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except (errors.TransportError, IOError, errors.PathError):
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def destroy_workingtree(self):
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"""Destroy the working tree at this BzrDir.
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Formats that do not support this may raise UnsupportedOperation.
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raise NotImplementedError(self.destroy_workingtree)
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def destroy_workingtree_metadata(self):
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"""Destroy the control files for the working tree at this BzrDir.
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The contents of working tree files are not affected.
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Formats that do not support this may raise UnsupportedOperation.
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raise NotImplementedError(self.destroy_workingtree_metadata)
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def _find_containing(self, evaluate):
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"""Find something in a containing control directory.
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This method will scan containing control dirs, until it finds what
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it is looking for, decides that it will never find it, or runs out
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of containing control directories to check.
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It is used to implement find_repository and
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determine_repository_policy.
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:param evaluate: A function returning (value, stop). If stop is True,
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the value will be returned.
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result, stop = evaluate(found_bzrdir)
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next_transport = found_bzrdir.root_transport.clone('..')
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if (found_bzrdir.root_transport.base == next_transport.base):
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# top of the file system
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# find the next containing bzrdir
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found_bzrdir = BzrDir.open_containing_from_transport(
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except errors.NotBranchError:
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def find_repository(self):
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"""Find the repository that should be used.
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This does not require a branch as we use it to find the repo for
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new branches as well as to hook existing branches up to their
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def usable_repository(found_bzrdir):
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# does it have a repository ?
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repository = found_bzrdir.open_repository()
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except errors.NoRepositoryPresent:
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if found_bzrdir.root_transport.base == self.root_transport.base:
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return repository, True
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elif repository.is_shared():
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return repository, True
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found_repo = self._find_containing(usable_repository)
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if found_repo is None:
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raise errors.NoRepositoryPresent(self)
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def get_branch_reference(self):
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"""Return the referenced URL for the branch in this bzrdir.
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:raises NotBranchError: If there is no Branch.
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:return: The URL the branch in this bzrdir references if it is a
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reference branch, or None for regular branches.
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def get_branch_transport(self, branch_format):
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"""Get the transport for use by branch format in this BzrDir.
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Note that bzr dirs that do not support format strings will raise
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IncompatibleFormat if the branch format they are given has
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a format string, and vice versa.
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If branch_format is None, the transport is returned with no
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checking. If it is not None, then the returned transport is
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guaranteed to point to an existing directory ready for use.
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raise NotImplementedError(self.get_branch_transport)
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def _find_creation_modes(self):
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"""Determine the appropriate modes for files and directories.
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They're always set to be consistent with the base directory,
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assuming that this transport allows setting modes.
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# TODO: Do we need or want an option (maybe a config setting) to turn
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# this off or override it for particular locations? -- mbp 20080512
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if self._mode_check_done:
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self._mode_check_done = True
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st = self.transport.stat('.')
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except errors.TransportNotPossible:
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self._dir_mode = None
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self._file_mode = None
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# Check the directory mode, but also make sure the created
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# directories and files are read-write for this user. This is
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# mostly a workaround for filesystems which lie about being able to
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# write to a directory (cygwin & win32)
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if (st.st_mode & 07777 == 00000):
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# FTP allows stat but does not return dir/file modes
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self._dir_mode = None
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self._file_mode = None
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self._dir_mode = (st.st_mode & 07777) | 00700
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# Remove the sticky and execute bits for files
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self._file_mode = self._dir_mode & ~07111
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def _get_file_mode(self):
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"""Return Unix mode for newly created files, or None.
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if not self._mode_check_done:
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self._find_creation_modes()
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return self._file_mode
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def _get_dir_mode(self):
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"""Return Unix mode for newly created directories, or None.
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if not self._mode_check_done:
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self._find_creation_modes()
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return self._dir_mode
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def get_repository_transport(self, repository_format):
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"""Get the transport for use by repository format in this BzrDir.
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Note that bzr dirs that do not support format strings will raise
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IncompatibleFormat if the repository format they are given has
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a format string, and vice versa.
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If repository_format is None, the transport is returned with no
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checking. If it is not None, then the returned transport is
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guaranteed to point to an existing directory ready for use.
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raise NotImplementedError(self.get_repository_transport)
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def get_workingtree_transport(self, tree_format):
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"""Get the transport for use by workingtree format in this BzrDir.
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Note that bzr dirs that do not support format strings will raise
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IncompatibleFormat if the workingtree format they are given has a
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format string, and vice versa.
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If workingtree_format is None, the transport is returned with no
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checking. If it is not None, then the returned transport is
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guaranteed to point to an existing directory ready for use.
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raise NotImplementedError(self.get_workingtree_transport)
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def get_config(self):
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if getattr(self, '_get_config', None) is None:
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return self._get_config()
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def __init__(self, _transport, _format):
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"""Initialize a Bzr control dir object.
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Only really common logic should reside here, concrete classes should be
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made with varying behaviours.
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:param _format: the format that is creating this BzrDir instance.
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:param _transport: the transport this dir is based at.
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self._format = _format
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self.transport = _transport.clone('.bzr')
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self.root_transport = _transport
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self._mode_check_done = False
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def is_control_filename(self, filename):
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"""True if filename is the name of a path which is reserved for bzrdir's.
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:param filename: A filename within the root transport of this bzrdir.
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This is true IF and ONLY IF the filename is part of the namespace reserved
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for bzr control dirs. Currently this is the '.bzr' directory in the root
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of the root_transport. it is expected that plugins will need to extend
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this in the future - for instance to make bzr talk with svn working
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# this might be better on the BzrDirFormat class because it refers to
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# all the possible bzrdir disk formats.
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# This method is tested via the workingtree is_control_filename tests-
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# it was extracted from WorkingTree.is_control_filename. If the method's
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# contract is extended beyond the current trivial implementation, please
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# add new tests for it to the appropriate place.
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return filename == '.bzr' or filename.startswith('.bzr/')
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def needs_format_conversion(self, format=None):
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"""Return true if this bzrdir needs convert_format run on it.
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For instance, if the repository format is out of date but the
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branch and working tree are not, this should return True.
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:param format: Optional parameter indicating a specific desired
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format we plan to arrive at.
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raise NotImplementedError(self.needs_format_conversion)
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def open_unsupported(base):
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"""Open a branch which is not supported."""
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return BzrDir.open(base, _unsupported=True)
769
def open(base, _unsupported=False, possible_transports=None):
770
"""Open an existing bzrdir, rooted at 'base' (url).
772
:param _unsupported: a private parameter to the BzrDir class.
774
t = get_transport(base, possible_transports=possible_transports)
775
return BzrDir.open_from_transport(t, _unsupported=_unsupported)
778
def open_from_transport(transport, _unsupported=False,
779
_server_formats=True):
780
"""Open a bzrdir within a particular directory.
782
:param transport: Transport containing the bzrdir.
783
:param _unsupported: private.
785
base = transport.base
787
def find_format(transport):
788
return transport, BzrDirFormat.find_format(
789
transport, _server_formats=_server_formats)
791
def redirected(transport, e, redirection_notice):
792
qualified_source = e.get_source_url()
793
relpath = transport.relpath(qualified_source)
794
if not e.target.endswith(relpath):
795
# Not redirected to a branch-format, not a branch
796
raise errors.NotBranchError(path=e.target)
797
target = e.target[:-len(relpath)]
798
note('%s is%s redirected to %s',
799
transport.base, e.permanently, target)
800
# Let's try with a new transport
801
# FIXME: If 'transport' has a qualifier, this should
802
# be applied again to the new transport *iff* the
803
# schemes used are the same. Uncomment this code
804
# once the function (and tests) exist.
806
#target = urlutils.copy_url_qualifiers(original, target)
807
return get_transport(target)
810
transport, format = do_catching_redirections(find_format,
813
except errors.TooManyRedirections:
814
raise errors.NotBranchError(base)
816
BzrDir._check_supported(format, _unsupported)
817
return format.open(transport, _found=True)
819
def open_branch(self, unsupported=False):
820
"""Open the branch object at this BzrDir if one is present.
822
If unsupported is True, then no longer supported branch formats can
825
TODO: static convenience version of this?
827
raise NotImplementedError(self.open_branch)
830
def open_containing(url, possible_transports=None):
831
"""Open an existing branch which contains url.
833
:param url: url to search from.
834
See open_containing_from_transport for more detail.
836
transport = get_transport(url, possible_transports)
837
return BzrDir.open_containing_from_transport(transport)
840
def open_containing_from_transport(a_transport):
841
"""Open an existing branch which contains a_transport.base.
843
This probes for a branch at a_transport, and searches upwards from there.
845
Basically we keep looking up until we find the control directory or
846
run into the root. If there isn't one, raises NotBranchError.
847
If there is one and it is either an unrecognised format or an unsupported
848
format, UnknownFormatError or UnsupportedFormatError are raised.
849
If there is one, it is returned, along with the unused portion of url.
851
:return: The BzrDir that contains the path, and a Unicode path
852
for the rest of the URL.
854
# this gets the normalised url back. I.e. '.' -> the full path.
855
url = a_transport.base
858
result = BzrDir.open_from_transport(a_transport)
859
return result, urlutils.unescape(a_transport.relpath(url))
860
except errors.NotBranchError, e:
863
new_t = a_transport.clone('..')
864
except errors.InvalidURLJoin:
865
# reached the root, whatever that may be
866
raise errors.NotBranchError(path=url)
867
if new_t.base == a_transport.base:
868
# reached the root, whatever that may be
869
raise errors.NotBranchError(path=url)
872
def _get_tree_branch(self):
873
"""Return the branch and tree, if any, for this bzrdir.
875
Return None for tree if not present or inaccessible.
876
Raise NotBranchError if no branch is present.
877
:return: (tree, branch)
880
tree = self.open_workingtree()
881
except (errors.NoWorkingTree, errors.NotLocalUrl):
883
branch = self.open_branch()
889
def open_tree_or_branch(klass, location):
890
"""Return the branch and working tree at a location.
892
If there is no tree at the location, tree will be None.
893
If there is no branch at the location, an exception will be
895
:return: (tree, branch)
897
bzrdir = klass.open(location)
898
return bzrdir._get_tree_branch()
901
def open_containing_tree_or_branch(klass, location):
902
"""Return the branch and working tree contained by a location.
904
Returns (tree, branch, relpath).
905
If there is no tree at containing the location, tree will be None.
906
If there is no branch containing the location, an exception will be
908
relpath is the portion of the path that is contained by the branch.
910
bzrdir, relpath = klass.open_containing(location)
911
tree, branch = bzrdir._get_tree_branch()
912
return tree, branch, relpath
915
def open_containing_tree_branch_or_repository(klass, location):
916
"""Return the working tree, branch and repo contained by a location.
918
Returns (tree, branch, repository, relpath).
919
If there is no tree containing the location, tree will be None.
920
If there is no branch containing the location, branch will be None.
921
If there is no repository containing the location, repository will be
923
relpath is the portion of the path that is contained by the innermost
926
If no tree, branch or repository is found, a NotBranchError is raised.
928
bzrdir, relpath = klass.open_containing(location)
930
tree, branch = bzrdir._get_tree_branch()
931
except errors.NotBranchError:
933
repo = bzrdir.find_repository()
934
return None, None, repo, relpath
935
except (errors.NoRepositoryPresent):
936
raise errors.NotBranchError(location)
937
return tree, branch, branch.repository, relpath
939
def open_repository(self, _unsupported=False):
940
"""Open the repository object at this BzrDir if one is present.
942
This will not follow the Branch object pointer - it's strictly a direct
943
open facility. Most client code should use open_branch().repository to
946
:param _unsupported: a private parameter, not part of the api.
947
TODO: static convenience version of this?
949
raise NotImplementedError(self.open_repository)
951
def open_workingtree(self, _unsupported=False,
952
recommend_upgrade=True, from_branch=None):
953
"""Open the workingtree object at this BzrDir if one is present.
955
:param recommend_upgrade: Optional keyword parameter, when True (the
956
default), emit through the ui module a recommendation that the user
957
upgrade the working tree when the workingtree being opened is old
958
(but still fully supported).
959
:param from_branch: override bzrdir branch (for lightweight checkouts)
961
raise NotImplementedError(self.open_workingtree)
963
def has_branch(self):
964
"""Tell if this bzrdir contains a branch.
966
Note: if you're going to open the branch, you should just go ahead
967
and try, and not ask permission first. (This method just opens the
968
branch and discards it, and that's somewhat expensive.)
973
except errors.NotBranchError:
976
def has_workingtree(self):
977
"""Tell if this bzrdir contains a working tree.
979
This will still raise an exception if the bzrdir has a workingtree that
980
is remote & inaccessible.
982
Note: if you're going to open the working tree, you should just go ahead
983
and try, and not ask permission first. (This method just opens the
984
workingtree and discards it, and that's somewhat expensive.)
987
self.open_workingtree(recommend_upgrade=False)
989
except errors.NoWorkingTree:
992
def _cloning_metadir(self):
993
"""Produce a metadir suitable for cloning with.
995
:returns: (destination_bzrdir_format, source_repository)
997
result_format = self._format.__class__()
1000
branch = self.open_branch()
1001
source_repository = branch.repository
1002
result_format._branch_format = branch._format
1003
except errors.NotBranchError:
1004
source_branch = None
1005
source_repository = self.open_repository()
1006
except errors.NoRepositoryPresent:
1007
source_repository = None
1009
# XXX TODO: This isinstance is here because we have not implemented
1010
# the fix recommended in bug # 103195 - to delegate this choice the
1011
# repository itself.
1012
repo_format = source_repository._format
1013
if isinstance(repo_format, remote.RemoteRepositoryFormat):
1014
source_repository._ensure_real()
1015
repo_format = source_repository._real_repository._format
1016
result_format.repository_format = repo_format
1018
# TODO: Couldn't we just probe for the format in these cases,
1019
# rather than opening the whole tree? It would be a little
1020
# faster. mbp 20070401
1021
tree = self.open_workingtree(recommend_upgrade=False)
1022
except (errors.NoWorkingTree, errors.NotLocalUrl):
1023
result_format.workingtree_format = None
1025
result_format.workingtree_format = tree._format.__class__()
1026
return result_format, source_repository
1028
def cloning_metadir(self, require_stacking=False):
1029
"""Produce a metadir suitable for cloning or sprouting with.
1031
These operations may produce workingtrees (yes, even though they're
1032
"cloning" something that doesn't have a tree), so a viable workingtree
1033
format must be selected.
1035
:require_stacking: If True, non-stackable formats will be upgraded
1036
to similar stackable formats.
1037
:returns: a BzrDirFormat with all component formats either set
1038
appropriately or set to None if that component should not be
1041
format, repository = self._cloning_metadir()
1042
if format._workingtree_format is None:
1043
if repository is None:
1045
tree_format = repository._format._matchingbzrdir.workingtree_format
1046
format.workingtree_format = tree_format.__class__()
1047
if (require_stacking and not
1048
format.get_branch_format().supports_stacking()):
1049
# We need to make a stacked branch, but the default format for the
1050
# target doesn't support stacking. So force a branch that *can*
1052
from bzrlib.branch import BzrBranchFormat7
1053
format._branch_format = BzrBranchFormat7()
1054
mutter("using %r for stacking" % (format._branch_format,))
1055
from bzrlib.repofmt import pack_repo
1056
if format.repository_format.rich_root_data:
1057
bzrdir_format_name = '1.6.1-rich-root'
1058
repo_format = pack_repo.RepositoryFormatKnitPack5RichRoot()
1060
bzrdir_format_name = '1.6'
1061
repo_format = pack_repo.RepositoryFormatKnitPack5()
1062
note('Source format does not support stacking, using format:'
1064
bzrdir_format_name, repo_format.get_format_description())
1065
format.repository_format = repo_format
1068
def checkout_metadir(self):
1069
return self.cloning_metadir()
1071
def sprout(self, url, revision_id=None, force_new_repo=False,
1072
recurse='down', possible_transports=None,
1073
accelerator_tree=None, hardlink=False, stacked=False,
1074
source_branch=None):
1075
"""Create a copy of this bzrdir prepared for use as a new line of
1078
If url's last component does not exist, it will be created.
1080
Attributes related to the identity of the source branch like
1081
branch nickname will be cleaned, a working tree is created
1082
whether one existed before or not; and a local branch is always
1085
if revision_id is not None, then the clone operation may tune
1086
itself to download less data.
1087
:param accelerator_tree: A tree which can be used for retrieving file
1088
contents more quickly than the revision tree, i.e. a workingtree.
1089
The revision tree will be used for cases where accelerator_tree's
1090
content is different.
1091
:param hardlink: If true, hard-link files from accelerator_tree,
1093
:param stacked: If true, create a stacked branch referring to the
1094
location of this control directory.
1096
target_transport = get_transport(url, possible_transports)
1097
target_transport.ensure_base()
1098
cloning_format = self.cloning_metadir(stacked)
1099
# Create/update the result branch
1100
result = cloning_format.initialize_on_transport(target_transport)
1101
# if a stacked branch wasn't requested, we don't create one
1102
# even if the origin was stacked
1103
stacked_branch_url = None
1104
if source_branch is not None:
1106
stacked_branch_url = self.root_transport.base
1107
source_repository = source_branch.repository
1110
source_branch = self.open_branch()
1111
source_repository = source_branch.repository
1113
stacked_branch_url = self.root_transport.base
1114
except errors.NotBranchError:
1115
source_branch = None
1117
source_repository = self.open_repository()
1118
except errors.NoRepositoryPresent:
1119
source_repository = None
1120
repository_policy = result.determine_repository_policy(
1121
force_new_repo, stacked_branch_url, require_stacking=stacked)
1122
result_repo = repository_policy.acquire_repository()
1123
if source_repository is not None:
1124
# Fetch while stacked to prevent unstacked fetch from
1126
result_repo.fetch(source_repository, revision_id=revision_id)
1128
if source_branch is None:
1129
# this is for sprouting a bzrdir without a branch; is that
1131
# Not especially, but it's part of the contract.
1132
result_branch = result.create_branch()
1134
# Force NULL revision to avoid using repository before stacking
1136
result_branch = source_branch.sprout(
1137
result, revision_id=_mod_revision.NULL_REVISION)
1138
parent_location = result_branch.get_parent()
1139
mutter("created new branch %r" % (result_branch,))
1140
repository_policy.configure_branch(result_branch)
1141
if source_branch is not None:
1142
source_branch.copy_content_into(result_branch, revision_id)
1143
# Override copy_content_into
1144
result_branch.set_parent(parent_location)
1146
# Create/update the result working tree
1147
if isinstance(target_transport, local.LocalTransport) and (
1148
result_repo is None or result_repo.make_working_trees()):
1149
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
1153
if wt.path2id('') is None:
1155
wt.set_root_id(self.open_workingtree.get_root_id())
1156
except errors.NoWorkingTree:
1162
if recurse == 'down':
1164
basis = wt.basis_tree()
1166
subtrees = basis.iter_references()
1167
elif result_branch is not None:
1168
basis = result_branch.basis_tree()
1170
subtrees = basis.iter_references()
1171
elif source_branch is not None:
1172
basis = source_branch.basis_tree()
1174
subtrees = basis.iter_references()
1179
for path, file_id in subtrees:
1180
target = urlutils.join(url, urlutils.escape(path))
1181
sublocation = source_branch.reference_parent(file_id, path)
1182
sublocation.bzrdir.sprout(target,
1183
basis.get_reference_revision(file_id, path),
1184
force_new_repo=force_new_repo, recurse=recurse,
1187
if basis is not None:
1192
class BzrDirPreSplitOut(BzrDir):
1193
"""A common class for the all-in-one formats."""
1195
def __init__(self, _transport, _format):
1196
"""See BzrDir.__init__."""
1197
super(BzrDirPreSplitOut, self).__init__(_transport, _format)
1198
self._control_files = lockable_files.LockableFiles(
1199
self.get_branch_transport(None),
1200
self._format._lock_file_name,
1201
self._format._lock_class)
1203
def break_lock(self):
1204
"""Pre-splitout bzrdirs do not suffer from stale locks."""
1205
raise NotImplementedError(self.break_lock)
1207
def cloning_metadir(self, require_stacking=False):
1208
"""Produce a metadir suitable for cloning with."""
1209
if require_stacking:
1210
return format_registry.make_bzrdir('1.6')
1211
return self._format.__class__()
1213
def clone(self, url, revision_id=None, force_new_repo=False,
1214
preserve_stacking=False):
1215
"""See BzrDir.clone().
1217
force_new_repo has no effect, since this family of formats always
1218
require a new repository.
1219
preserve_stacking has no effect, since no source branch using this
1220
family of formats can be stacked, so there is no stacking to preserve.
1222
self._make_tail(url)
1223
result = self._format._initialize_for_clone(url)
1224
self.open_repository().clone(result, revision_id=revision_id)
1225
from_branch = self.open_branch()
1226
from_branch.clone(result, revision_id=revision_id)
1228
tree = self.open_workingtree()
1229
except errors.NotLocalUrl:
1230
# make a new one, this format always has to have one.
1231
result._init_workingtree()
1236
def create_branch(self):
1237
"""See BzrDir.create_branch."""
1238
return self._format.get_branch_format().initialize(self)
1240
def destroy_branch(self):
1241
"""See BzrDir.destroy_branch."""
1242
raise errors.UnsupportedOperation(self.destroy_branch, self)
1244
def create_repository(self, shared=False):
1245
"""See BzrDir.create_repository."""
1247
raise errors.IncompatibleFormat('shared repository', self._format)
1248
return self.open_repository()
1250
def destroy_repository(self):
1251
"""See BzrDir.destroy_repository."""
1252
raise errors.UnsupportedOperation(self.destroy_repository, self)
1254
def create_workingtree(self, revision_id=None, from_branch=None,
1255
accelerator_tree=None, hardlink=False):
1256
"""See BzrDir.create_workingtree."""
1257
# The workingtree is sometimes created when the bzrdir is created,
1258
# but not when cloning.
1260
# this looks buggy but is not -really-
1261
# because this format creates the workingtree when the bzrdir is
1263
# clone and sprout will have set the revision_id
1264
# and that will have set it for us, its only
1265
# specific uses of create_workingtree in isolation
1266
# that can do wonky stuff here, and that only
1267
# happens for creating checkouts, which cannot be
1268
# done on this format anyway. So - acceptable wart.
1270
result = self.open_workingtree(recommend_upgrade=False)
1271
except errors.NoSuchFile:
1272
result = self._init_workingtree()
1273
if revision_id is not None:
1274
if revision_id == _mod_revision.NULL_REVISION:
1275
result.set_parent_ids([])
1277
result.set_parent_ids([revision_id])
1280
def _init_workingtree(self):
1281
from bzrlib.workingtree import WorkingTreeFormat2
1283
return WorkingTreeFormat2().initialize(self)
1284
except errors.NotLocalUrl:
1285
# Even though we can't access the working tree, we need to
1286
# create its control files.
1287
return WorkingTreeFormat2()._stub_initialize_on_transport(
1288
self.transport, self._control_files._file_mode)
1290
def destroy_workingtree(self):
1291
"""See BzrDir.destroy_workingtree."""
1292
raise errors.UnsupportedOperation(self.destroy_workingtree, self)
1294
def destroy_workingtree_metadata(self):
1295
"""See BzrDir.destroy_workingtree_metadata."""
1296
raise errors.UnsupportedOperation(self.destroy_workingtree_metadata,
1299
def get_branch_transport(self, branch_format):
1300
"""See BzrDir.get_branch_transport()."""
1301
if branch_format is None:
1302
return self.transport
1304
branch_format.get_format_string()
1305
except NotImplementedError:
1306
return self.transport
1307
raise errors.IncompatibleFormat(branch_format, self._format)
1309
def get_repository_transport(self, repository_format):
1310
"""See BzrDir.get_repository_transport()."""
1311
if repository_format is None:
1312
return self.transport
1314
repository_format.get_format_string()
1315
except NotImplementedError:
1316
return self.transport
1317
raise errors.IncompatibleFormat(repository_format, self._format)
1319
def get_workingtree_transport(self, workingtree_format):
1320
"""See BzrDir.get_workingtree_transport()."""
1321
if workingtree_format is None:
1322
return self.transport
1324
workingtree_format.get_format_string()
1325
except NotImplementedError:
1326
return self.transport
1327
raise errors.IncompatibleFormat(workingtree_format, self._format)
1329
def needs_format_conversion(self, format=None):
1330
"""See BzrDir.needs_format_conversion()."""
1331
# if the format is not the same as the system default,
1332
# an upgrade is needed.
1334
format = BzrDirFormat.get_default_format()
1335
return not isinstance(self._format, format.__class__)
1337
def open_branch(self, unsupported=False):
1338
"""See BzrDir.open_branch."""
1339
from bzrlib.branch import BzrBranchFormat4
1340
format = BzrBranchFormat4()
1341
self._check_supported(format, unsupported)
1342
return format.open(self, _found=True)
1344
def sprout(self, url, revision_id=None, force_new_repo=False,
1345
possible_transports=None, accelerator_tree=None,
1346
hardlink=False, stacked=False):
1347
"""See BzrDir.sprout()."""
1349
raise errors.UnstackableBranchFormat(
1350
self._format, self.root_transport.base)
1351
from bzrlib.workingtree import WorkingTreeFormat2
1352
self._make_tail(url)
1353
result = self._format._initialize_for_clone(url)
1355
self.open_repository().clone(result, revision_id=revision_id)
1356
except errors.NoRepositoryPresent:
1359
self.open_branch().sprout(result, revision_id=revision_id)
1360
except errors.NotBranchError:
1362
# we always want a working tree
1363
WorkingTreeFormat2().initialize(result,
1364
accelerator_tree=accelerator_tree,
1369
class BzrDir4(BzrDirPreSplitOut):
1370
"""A .bzr version 4 control object.
1372
This is a deprecated format and may be removed after sept 2006.
1375
def create_repository(self, shared=False):
1376
"""See BzrDir.create_repository."""
1377
return self._format.repository_format.initialize(self, shared)
1379
def needs_format_conversion(self, format=None):
1380
"""Format 4 dirs are always in need of conversion."""
1383
def open_repository(self):
1384
"""See BzrDir.open_repository."""
1385
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1386
return RepositoryFormat4().open(self, _found=True)
1389
class BzrDir5(BzrDirPreSplitOut):
1390
"""A .bzr version 5 control object.
1392
This is a deprecated format and may be removed after sept 2006.
1395
def open_repository(self):
1396
"""See BzrDir.open_repository."""
1397
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1398
return RepositoryFormat5().open(self, _found=True)
1400
def open_workingtree(self, _unsupported=False,
1401
recommend_upgrade=True):
1402
"""See BzrDir.create_workingtree."""
1403
from bzrlib.workingtree import WorkingTreeFormat2
1404
wt_format = WorkingTreeFormat2()
1405
# we don't warn here about upgrades; that ought to be handled for the
1407
return wt_format.open(self, _found=True)
1410
class BzrDir6(BzrDirPreSplitOut):
1411
"""A .bzr version 6 control object.
1413
This is a deprecated format and may be removed after sept 2006.
1416
def open_repository(self):
1417
"""See BzrDir.open_repository."""
1418
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1419
return RepositoryFormat6().open(self, _found=True)
1421
def open_workingtree(self, _unsupported=False,
1422
recommend_upgrade=True):
1423
"""See BzrDir.create_workingtree."""
1424
# we don't warn here about upgrades; that ought to be handled for the
1426
from bzrlib.workingtree import WorkingTreeFormat2
1427
return WorkingTreeFormat2().open(self, _found=True)
1430
class BzrDirMeta1(BzrDir):
1431
"""A .bzr meta version 1 control object.
1433
This is the first control object where the
1434
individual aspects are really split out: there are separate repository,
1435
workingtree and branch subdirectories and any subset of the three can be
1436
present within a BzrDir.
1439
def can_convert_format(self):
1440
"""See BzrDir.can_convert_format()."""
1443
def create_branch(self):
1444
"""See BzrDir.create_branch."""
1445
return self._format.get_branch_format().initialize(self)
1447
def destroy_branch(self):
1448
"""See BzrDir.create_branch."""
1449
self.transport.delete_tree('branch')
1451
def create_repository(self, shared=False):
1452
"""See BzrDir.create_repository."""
1453
return self._format.repository_format.initialize(self, shared)
1455
def destroy_repository(self):
1456
"""See BzrDir.destroy_repository."""
1457
self.transport.delete_tree('repository')
1459
def create_workingtree(self, revision_id=None, from_branch=None,
1460
accelerator_tree=None, hardlink=False):
1461
"""See BzrDir.create_workingtree."""
1462
return self._format.workingtree_format.initialize(
1463
self, revision_id, from_branch=from_branch,
1464
accelerator_tree=accelerator_tree, hardlink=hardlink)
1466
def destroy_workingtree(self):
1467
"""See BzrDir.destroy_workingtree."""
1468
wt = self.open_workingtree(recommend_upgrade=False)
1469
repository = wt.branch.repository
1470
empty = repository.revision_tree(_mod_revision.NULL_REVISION)
1471
wt.revert(old_tree=empty)
1472
self.destroy_workingtree_metadata()
1474
def destroy_workingtree_metadata(self):
1475
self.transport.delete_tree('checkout')
1477
def find_branch_format(self):
1478
"""Find the branch 'format' for this bzrdir.
1480
This might be a synthetic object for e.g. RemoteBranch and SVN.
1482
from bzrlib.branch import BranchFormat
1483
return BranchFormat.find_format(self)
1485
def _get_mkdir_mode(self):
1486
"""Figure out the mode to use when creating a bzrdir subdir."""
1487
temp_control = lockable_files.LockableFiles(self.transport, '',
1488
lockable_files.TransportLock)
1489
return temp_control._dir_mode
1491
def get_branch_reference(self):
1492
"""See BzrDir.get_branch_reference()."""
1493
from bzrlib.branch import BranchFormat
1494
format = BranchFormat.find_format(self)
1495
return format.get_reference(self)
1497
def get_branch_transport(self, branch_format):
1498
"""See BzrDir.get_branch_transport()."""
1499
if branch_format is None:
1500
return self.transport.clone('branch')
1502
branch_format.get_format_string()
1503
except NotImplementedError:
1504
raise errors.IncompatibleFormat(branch_format, self._format)
1506
self.transport.mkdir('branch', mode=self._get_mkdir_mode())
1507
except errors.FileExists:
1509
return self.transport.clone('branch')
1511
def get_repository_transport(self, repository_format):
1512
"""See BzrDir.get_repository_transport()."""
1513
if repository_format is None:
1514
return self.transport.clone('repository')
1516
repository_format.get_format_string()
1517
except NotImplementedError:
1518
raise errors.IncompatibleFormat(repository_format, self._format)
1520
self.transport.mkdir('repository', mode=self._get_mkdir_mode())
1521
except errors.FileExists:
1523
return self.transport.clone('repository')
1525
def get_workingtree_transport(self, workingtree_format):
1526
"""See BzrDir.get_workingtree_transport()."""
1527
if workingtree_format is None:
1528
return self.transport.clone('checkout')
1530
workingtree_format.get_format_string()
1531
except NotImplementedError:
1532
raise errors.IncompatibleFormat(workingtree_format, self._format)
1534
self.transport.mkdir('checkout', mode=self._get_mkdir_mode())
1535
except errors.FileExists:
1537
return self.transport.clone('checkout')
1539
def needs_format_conversion(self, format=None):
1540
"""See BzrDir.needs_format_conversion()."""
1542
format = BzrDirFormat.get_default_format()
1543
if not isinstance(self._format, format.__class__):
1544
# it is not a meta dir format, conversion is needed.
1546
# we might want to push this down to the repository?
1548
if not isinstance(self.open_repository()._format,
1549
format.repository_format.__class__):
1550
# the repository needs an upgrade.
1552
except errors.NoRepositoryPresent:
1555
if not isinstance(self.open_branch()._format,
1556
format.get_branch_format().__class__):
1557
# the branch needs an upgrade.
1559
except errors.NotBranchError:
1562
my_wt = self.open_workingtree(recommend_upgrade=False)
1563
if not isinstance(my_wt._format,
1564
format.workingtree_format.__class__):
1565
# the workingtree needs an upgrade.
1567
except (errors.NoWorkingTree, errors.NotLocalUrl):
1571
def open_branch(self, unsupported=False):
1572
"""See BzrDir.open_branch."""
1573
format = self.find_branch_format()
1574
self._check_supported(format, unsupported)
1575
return format.open(self, _found=True)
1577
def open_repository(self, unsupported=False):
1578
"""See BzrDir.open_repository."""
1579
from bzrlib.repository import RepositoryFormat
1580
format = RepositoryFormat.find_format(self)
1581
self._check_supported(format, unsupported)
1582
return format.open(self, _found=True)
1584
def open_workingtree(self, unsupported=False,
1585
recommend_upgrade=True):
1586
"""See BzrDir.open_workingtree."""
1587
from bzrlib.workingtree import WorkingTreeFormat
1588
format = WorkingTreeFormat.find_format(self)
1589
self._check_supported(format, unsupported,
1591
basedir=self.root_transport.base)
1592
return format.open(self, _found=True)
1594
def _get_config(self):
1595
return config.BzrDirConfig(self.transport)
1598
class BzrDirFormat(object):
1599
"""An encapsulation of the initialization and open routines for a format.
1601
Formats provide three things:
1602
* An initialization routine,
1606
Formats are placed in a dict by their format string for reference
1607
during bzrdir opening. These should be subclasses of BzrDirFormat
1610
Once a format is deprecated, just deprecate the initialize and open
1611
methods on the format class. Do not deprecate the object, as the
1612
object will be created every system load.
1615
_default_format = None
1616
"""The default format used for new .bzr dirs."""
1619
"""The known formats."""
1621
_control_formats = []
1622
"""The registered control formats - .bzr, ....
1624
This is a list of BzrDirFormat objects.
1627
_control_server_formats = []
1628
"""The registered control server formats, e.g. RemoteBzrDirs.
1630
This is a list of BzrDirFormat objects.
1633
_lock_file_name = 'branch-lock'
1635
# _lock_class must be set in subclasses to the lock type, typ.
1636
# TransportLock or LockDir
1639
def find_format(klass, transport, _server_formats=True):
1640
"""Return the format present at transport."""
1642
formats = klass._control_server_formats + klass._control_formats
1644
formats = klass._control_formats
1645
for format in formats:
1647
return format.probe_transport(transport)
1648
except errors.NotBranchError:
1649
# this format does not find a control dir here.
1651
raise errors.NotBranchError(path=transport.base)
1654
def probe_transport(klass, transport):
1655
"""Return the .bzrdir style format present in a directory."""
1657
format_string = transport.get(".bzr/branch-format").read()
1658
except errors.NoSuchFile:
1659
raise errors.NotBranchError(path=transport.base)
1662
return klass._formats[format_string]
1664
raise errors.UnknownFormatError(format=format_string, kind='bzrdir')
1667
def get_default_format(klass):
1668
"""Return the current default format."""
1669
return klass._default_format
1671
def get_format_string(self):
1672
"""Return the ASCII format string that identifies this format."""
1673
raise NotImplementedError(self.get_format_string)
1675
def get_format_description(self):
1676
"""Return the short description for this format."""
1677
raise NotImplementedError(self.get_format_description)
1679
def get_converter(self, format=None):
1680
"""Return the converter to use to convert bzrdirs needing converts.
1682
This returns a bzrlib.bzrdir.Converter object.
1684
This should return the best upgrader to step this format towards the
1685
current default format. In the case of plugins we can/should provide
1686
some means for them to extend the range of returnable converters.
1688
:param format: Optional format to override the default format of the
1691
raise NotImplementedError(self.get_converter)
1693
def initialize(self, url, possible_transports=None):
1694
"""Create a bzr control dir at this url and return an opened copy.
1696
Subclasses should typically override initialize_on_transport
1697
instead of this method.
1699
return self.initialize_on_transport(get_transport(url,
1700
possible_transports))
1702
def initialize_on_transport(self, transport):
1703
"""Initialize a new bzrdir in the base directory of a Transport."""
1704
# Since we don't have a .bzr directory, inherit the
1705
# mode from the root directory
1706
temp_control = lockable_files.LockableFiles(transport,
1707
'', lockable_files.TransportLock)
1708
temp_control._transport.mkdir('.bzr',
1709
# FIXME: RBC 20060121 don't peek under
1711
mode=temp_control._dir_mode)
1712
if sys.platform == 'win32' and isinstance(transport, local.LocalTransport):
1713
win32utils.set_file_attr_hidden(transport._abspath('.bzr'))
1714
file_mode = temp_control._file_mode
1716
bzrdir_transport = transport.clone('.bzr')
1717
utf8_files = [('README',
1718
"This is a Bazaar control directory.\n"
1719
"Do not change any files in this directory.\n"
1720
"See http://bazaar-vcs.org/ for more information about Bazaar.\n"),
1721
('branch-format', self.get_format_string()),
1723
# NB: no need to escape relative paths that are url safe.
1724
control_files = lockable_files.LockableFiles(bzrdir_transport,
1725
self._lock_file_name, self._lock_class)
1726
control_files.create_lock()
1727
control_files.lock_write()
1729
for (filename, content) in utf8_files:
1730
bzrdir_transport.put_bytes(filename, content,
1733
control_files.unlock()
1734
return self.open(transport, _found=True)
1736
def is_supported(self):
1737
"""Is this format supported?
1739
Supported formats must be initializable and openable.
1740
Unsupported formats may not support initialization or committing or
1741
some other features depending on the reason for not being supported.
1745
def same_model(self, target_format):
1746
return (self.repository_format.rich_root_data ==
1747
target_format.rich_root_data)
1750
def known_formats(klass):
1751
"""Return all the known formats.
1753
Concrete formats should override _known_formats.
1755
# There is double indirection here to make sure that control
1756
# formats used by more than one dir format will only be probed
1757
# once. This can otherwise be quite expensive for remote connections.
1759
for format in klass._control_formats:
1760
result.update(format._known_formats())
1764
def _known_formats(klass):
1765
"""Return the known format instances for this control format."""
1766
return set(klass._formats.values())
1768
def open(self, transport, _found=False):
1769
"""Return an instance of this format for the dir transport points at.
1771
_found is a private parameter, do not use it.
1774
found_format = BzrDirFormat.find_format(transport)
1775
if not isinstance(found_format, self.__class__):
1776
raise AssertionError("%s was asked to open %s, but it seems to need "
1778
% (self, transport, found_format))
1779
return self._open(transport)
1781
def _open(self, transport):
1782
"""Template method helper for opening BzrDirectories.
1784
This performs the actual open and any additional logic or parameter
1787
raise NotImplementedError(self._open)
1790
def register_format(klass, format):
1791
klass._formats[format.get_format_string()] = format
1794
def register_control_format(klass, format):
1795
"""Register a format that does not use '.bzr' for its control dir.
1797
TODO: This should be pulled up into a 'ControlDirFormat' base class
1798
which BzrDirFormat can inherit from, and renamed to register_format
1799
there. It has been done without that for now for simplicity of
1802
klass._control_formats.append(format)
1805
def register_control_server_format(klass, format):
1806
"""Register a control format for client-server environments.
1808
These formats will be tried before ones registered with
1809
register_control_format. This gives implementations that decide to the
1810
chance to grab it before anything looks at the contents of the format
1813
klass._control_server_formats.append(format)
1816
def _set_default_format(klass, format):
1817
"""Set default format (for testing behavior of defaults only)"""
1818
klass._default_format = format
1822
return self.get_format_string().rstrip()
1825
def unregister_format(klass, format):
1826
del klass._formats[format.get_format_string()]
1829
def unregister_control_format(klass, format):
1830
klass._control_formats.remove(format)
1833
class BzrDirFormat4(BzrDirFormat):
1834
"""Bzr dir format 4.
1836
This format is a combined format for working tree, branch and repository.
1838
- Format 1 working trees [always]
1839
- Format 4 branches [always]
1840
- Format 4 repositories [always]
1842
This format is deprecated: it indexes texts using a text it which is
1843
removed in format 5; write support for this format has been removed.
1846
_lock_class = lockable_files.TransportLock
1848
def get_format_string(self):
1849
"""See BzrDirFormat.get_format_string()."""
1850
return "Bazaar-NG branch, format 0.0.4\n"
1852
def get_format_description(self):
1853
"""See BzrDirFormat.get_format_description()."""
1854
return "All-in-one format 4"
1856
def get_converter(self, format=None):
1857
"""See BzrDirFormat.get_converter()."""
1858
# there is one and only one upgrade path here.
1859
return ConvertBzrDir4To5()
1861
def initialize_on_transport(self, transport):
1862
"""Format 4 branches cannot be created."""
1863
raise errors.UninitializableFormat(self)
1865
def is_supported(self):
1866
"""Format 4 is not supported.
1868
It is not supported because the model changed from 4 to 5 and the
1869
conversion logic is expensive - so doing it on the fly was not
1874
def _open(self, transport):
1875
"""See BzrDirFormat._open."""
1876
return BzrDir4(transport, self)
1878
def __return_repository_format(self):
1879
"""Circular import protection."""
1880
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1881
return RepositoryFormat4()
1882
repository_format = property(__return_repository_format)
1885
class BzrDirFormat5(BzrDirFormat):
1886
"""Bzr control format 5.
1888
This format is a combined format for working tree, branch and repository.
1890
- Format 2 working trees [always]
1891
- Format 4 branches [always]
1892
- Format 5 repositories [always]
1893
Unhashed stores in the repository.
1896
_lock_class = lockable_files.TransportLock
1898
def get_format_string(self):
1899
"""See BzrDirFormat.get_format_string()."""
1900
return "Bazaar-NG branch, format 5\n"
1902
def get_branch_format(self):
1903
from bzrlib import branch
1904
return branch.BzrBranchFormat4()
1906
def get_format_description(self):
1907
"""See BzrDirFormat.get_format_description()."""
1908
return "All-in-one format 5"
1910
def get_converter(self, format=None):
1911
"""See BzrDirFormat.get_converter()."""
1912
# there is one and only one upgrade path here.
1913
return ConvertBzrDir5To6()
1915
def _initialize_for_clone(self, url):
1916
return self.initialize_on_transport(get_transport(url), _cloning=True)
1918
def initialize_on_transport(self, transport, _cloning=False):
1919
"""Format 5 dirs always have working tree, branch and repository.
1921
Except when they are being cloned.
1923
from bzrlib.branch import BzrBranchFormat4
1924
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1925
result = (super(BzrDirFormat5, self).initialize_on_transport(transport))
1926
RepositoryFormat5().initialize(result, _internal=True)
1928
branch = BzrBranchFormat4().initialize(result)
1929
result._init_workingtree()
1932
def _open(self, transport):
1933
"""See BzrDirFormat._open."""
1934
return BzrDir5(transport, self)
1936
def __return_repository_format(self):
1937
"""Circular import protection."""
1938
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1939
return RepositoryFormat5()
1940
repository_format = property(__return_repository_format)
1943
class BzrDirFormat6(BzrDirFormat):
1944
"""Bzr control format 6.
1946
This format is a combined format for working tree, branch and repository.
1948
- Format 2 working trees [always]
1949
- Format 4 branches [always]
1950
- Format 6 repositories [always]
1953
_lock_class = lockable_files.TransportLock
1955
def get_format_string(self):
1956
"""See BzrDirFormat.get_format_string()."""
1957
return "Bazaar-NG branch, format 6\n"
1959
def get_format_description(self):
1960
"""See BzrDirFormat.get_format_description()."""
1961
return "All-in-one format 6"
1963
def get_branch_format(self):
1964
from bzrlib import branch
1965
return branch.BzrBranchFormat4()
1967
def get_converter(self, format=None):
1968
"""See BzrDirFormat.get_converter()."""
1969
# there is one and only one upgrade path here.
1970
return ConvertBzrDir6ToMeta()
1972
def _initialize_for_clone(self, url):
1973
return self.initialize_on_transport(get_transport(url), _cloning=True)
1975
def initialize_on_transport(self, transport, _cloning=False):
1976
"""Format 6 dirs always have working tree, branch and repository.
1978
Except when they are being cloned.
1980
from bzrlib.branch import BzrBranchFormat4
1981
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1982
result = super(BzrDirFormat6, self).initialize_on_transport(transport)
1983
RepositoryFormat6().initialize(result, _internal=True)
1985
branch = BzrBranchFormat4().initialize(result)
1986
result._init_workingtree()
1989
def _open(self, transport):
1990
"""See BzrDirFormat._open."""
1991
return BzrDir6(transport, self)
1993
def __return_repository_format(self):
1994
"""Circular import protection."""
1995
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1996
return RepositoryFormat6()
1997
repository_format = property(__return_repository_format)
2000
class BzrDirMetaFormat1(BzrDirFormat):
2001
"""Bzr meta control format 1
2003
This is the first format with split out working tree, branch and repository
2006
- Format 3 working trees [optional]
2007
- Format 5 branches [optional]
2008
- Format 7 repositories [optional]
2011
_lock_class = lockdir.LockDir
2014
self._workingtree_format = None
2015
self._branch_format = None
2017
def __eq__(self, other):
2018
if other.__class__ is not self.__class__:
2020
if other.repository_format != self.repository_format:
2022
if other.workingtree_format != self.workingtree_format:
2026
def __ne__(self, other):
2027
return not self == other
2029
def get_branch_format(self):
2030
if self._branch_format is None:
2031
from bzrlib.branch import BranchFormat
2032
self._branch_format = BranchFormat.get_default_format()
2033
return self._branch_format
2035
def set_branch_format(self, format):
2036
self._branch_format = format
2038
def get_converter(self, format=None):
2039
"""See BzrDirFormat.get_converter()."""
2041
format = BzrDirFormat.get_default_format()
2042
if not isinstance(self, format.__class__):
2043
# converting away from metadir is not implemented
2044
raise NotImplementedError(self.get_converter)
2045
return ConvertMetaToMeta(format)
2047
def get_format_string(self):
2048
"""See BzrDirFormat.get_format_string()."""
2049
return "Bazaar-NG meta directory, format 1\n"
2051
def get_format_description(self):
2052
"""See BzrDirFormat.get_format_description()."""
2053
return "Meta directory format 1"
2055
def _open(self, transport):
2056
"""See BzrDirFormat._open."""
2057
return BzrDirMeta1(transport, self)
2059
def __return_repository_format(self):
2060
"""Circular import protection."""
2061
if getattr(self, '_repository_format', None):
2062
return self._repository_format
2063
from bzrlib.repository import RepositoryFormat
2064
return RepositoryFormat.get_default_format()
2066
def __set_repository_format(self, value):
2067
"""Allow changing the repository format for metadir formats."""
2068
self._repository_format = value
2070
repository_format = property(__return_repository_format, __set_repository_format)
2072
def __get_workingtree_format(self):
2073
if self._workingtree_format is None:
2074
from bzrlib.workingtree import WorkingTreeFormat
2075
self._workingtree_format = WorkingTreeFormat.get_default_format()
2076
return self._workingtree_format
2078
def __set_workingtree_format(self, wt_format):
2079
self._workingtree_format = wt_format
2081
workingtree_format = property(__get_workingtree_format,
2082
__set_workingtree_format)
2085
# Register bzr control format
2086
BzrDirFormat.register_control_format(BzrDirFormat)
2088
# Register bzr formats
2089
BzrDirFormat.register_format(BzrDirFormat4())
2090
BzrDirFormat.register_format(BzrDirFormat5())
2091
BzrDirFormat.register_format(BzrDirFormat6())
2092
__default_format = BzrDirMetaFormat1()
2093
BzrDirFormat.register_format(__default_format)
2094
BzrDirFormat._default_format = __default_format
2097
class Converter(object):
2098
"""Converts a disk format object from one format to another."""
2100
def convert(self, to_convert, pb):
2101
"""Perform the conversion of to_convert, giving feedback via pb.
2103
:param to_convert: The disk object to convert.
2104
:param pb: a progress bar to use for progress information.
2107
def step(self, message):
2108
"""Update the pb by a step."""
2110
self.pb.update(message, self.count, self.total)
2113
class ConvertBzrDir4To5(Converter):
2114
"""Converts format 4 bzr dirs to format 5."""
2117
super(ConvertBzrDir4To5, self).__init__()
2118
self.converted_revs = set()
2119
self.absent_revisions = set()
2123
def convert(self, to_convert, pb):
2124
"""See Converter.convert()."""
2125
self.bzrdir = to_convert
2127
self.pb.note('starting upgrade from format 4 to 5')
2128
if isinstance(self.bzrdir.transport, local.LocalTransport):
2129
self.bzrdir.get_workingtree_transport(None).delete('stat-cache')
2130
self._convert_to_weaves()
2131
return BzrDir.open(self.bzrdir.root_transport.base)
2133
def _convert_to_weaves(self):
2134
self.pb.note('note: upgrade may be faster if all store files are ungzipped first')
2137
stat = self.bzrdir.transport.stat('weaves')
2138
if not S_ISDIR(stat.st_mode):
2139
self.bzrdir.transport.delete('weaves')
2140
self.bzrdir.transport.mkdir('weaves')
2141
except errors.NoSuchFile:
2142
self.bzrdir.transport.mkdir('weaves')
2143
# deliberately not a WeaveFile as we want to build it up slowly.
2144
self.inv_weave = Weave('inventory')
2145
# holds in-memory weaves for all files
2146
self.text_weaves = {}
2147
self.bzrdir.transport.delete('branch-format')
2148
self.branch = self.bzrdir.open_branch()
2149
self._convert_working_inv()
2150
rev_history = self.branch.revision_history()
2151
# to_read is a stack holding the revisions we still need to process;
2152
# appending to it adds new highest-priority revisions
2153
self.known_revisions = set(rev_history)
2154
self.to_read = rev_history[-1:]
2156
rev_id = self.to_read.pop()
2157
if (rev_id not in self.revisions
2158
and rev_id not in self.absent_revisions):
2159
self._load_one_rev(rev_id)
2161
to_import = self._make_order()
2162
for i, rev_id in enumerate(to_import):
2163
self.pb.update('converting revision', i, len(to_import))
2164
self._convert_one_rev(rev_id)
2166
self._write_all_weaves()
2167
self._write_all_revs()
2168
self.pb.note('upgraded to weaves:')
2169
self.pb.note(' %6d revisions and inventories', len(self.revisions))
2170
self.pb.note(' %6d revisions not present', len(self.absent_revisions))
2171
self.pb.note(' %6d texts', self.text_count)
2172
self._cleanup_spare_files_after_format4()
2173
self.branch._transport.put_bytes(
2175
BzrDirFormat5().get_format_string(),
2176
mode=self.bzrdir._get_file_mode())
2178
def _cleanup_spare_files_after_format4(self):
2179
# FIXME working tree upgrade foo.
2180
for n in 'merged-patches', 'pending-merged-patches':
2182
## assert os.path.getsize(p) == 0
2183
self.bzrdir.transport.delete(n)
2184
except errors.NoSuchFile:
2186
self.bzrdir.transport.delete_tree('inventory-store')
2187
self.bzrdir.transport.delete_tree('text-store')
2189
def _convert_working_inv(self):
2190
inv = xml4.serializer_v4.read_inventory(
2191
self.branch._transport.get('inventory'))
2192
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv, working=True)
2193
self.branch._transport.put_bytes('inventory', new_inv_xml,
2194
mode=self.bzrdir._get_file_mode())
2196
def _write_all_weaves(self):
2197
controlweaves = WeaveStore(self.bzrdir.transport, prefixed=False)
2198
weave_transport = self.bzrdir.transport.clone('weaves')
2199
weaves = WeaveStore(weave_transport, prefixed=False)
2200
transaction = WriteTransaction()
2204
for file_id, file_weave in self.text_weaves.items():
2205
self.pb.update('writing weave', i, len(self.text_weaves))
2206
weaves._put_weave(file_id, file_weave, transaction)
2208
self.pb.update('inventory', 0, 1)
2209
controlweaves._put_weave('inventory', self.inv_weave, transaction)
2210
self.pb.update('inventory', 1, 1)
2214
def _write_all_revs(self):
2215
"""Write all revisions out in new form."""
2216
self.bzrdir.transport.delete_tree('revision-store')
2217
self.bzrdir.transport.mkdir('revision-store')
2218
revision_transport = self.bzrdir.transport.clone('revision-store')
2220
from bzrlib.xml5 import serializer_v5
2221
from bzrlib.repofmt.weaverepo import RevisionTextStore
2222
revision_store = RevisionTextStore(revision_transport,
2223
serializer_v5, False, versionedfile.PrefixMapper(),
2224
lambda:True, lambda:True)
2226
for i, rev_id in enumerate(self.converted_revs):
2227
self.pb.update('write revision', i, len(self.converted_revs))
2228
text = serializer_v5.write_revision_to_string(
2229
self.revisions[rev_id])
2231
revision_store.add_lines(key, None, osutils.split_lines(text))
2235
def _load_one_rev(self, rev_id):
2236
"""Load a revision object into memory.
2238
Any parents not either loaded or abandoned get queued to be
2240
self.pb.update('loading revision',
2241
len(self.revisions),
2242
len(self.known_revisions))
2243
if not self.branch.repository.has_revision(rev_id):
2245
self.pb.note('revision {%s} not present in branch; '
2246
'will be converted as a ghost',
2248
self.absent_revisions.add(rev_id)
2250
rev = self.branch.repository.get_revision(rev_id)
2251
for parent_id in rev.parent_ids:
2252
self.known_revisions.add(parent_id)
2253
self.to_read.append(parent_id)
2254
self.revisions[rev_id] = rev
2256
def _load_old_inventory(self, rev_id):
2257
old_inv_xml = self.branch.repository.inventory_store.get(rev_id).read()
2258
inv = xml4.serializer_v4.read_inventory_from_string(old_inv_xml)
2259
inv.revision_id = rev_id
2260
rev = self.revisions[rev_id]
2263
def _load_updated_inventory(self, rev_id):
2264
inv_xml = self.inv_weave.get_text(rev_id)
2265
inv = xml5.serializer_v5.read_inventory_from_string(inv_xml, rev_id)
2268
def _convert_one_rev(self, rev_id):
2269
"""Convert revision and all referenced objects to new format."""
2270
rev = self.revisions[rev_id]
2271
inv = self._load_old_inventory(rev_id)
2272
present_parents = [p for p in rev.parent_ids
2273
if p not in self.absent_revisions]
2274
self._convert_revision_contents(rev, inv, present_parents)
2275
self._store_new_inv(rev, inv, present_parents)
2276
self.converted_revs.add(rev_id)
2278
def _store_new_inv(self, rev, inv, present_parents):
2279
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
2280
new_inv_sha1 = sha_string(new_inv_xml)
2281
self.inv_weave.add_lines(rev.revision_id,
2283
new_inv_xml.splitlines(True))
2284
rev.inventory_sha1 = new_inv_sha1
2286
def _convert_revision_contents(self, rev, inv, present_parents):
2287
"""Convert all the files within a revision.
2289
Also upgrade the inventory to refer to the text revision ids."""
2290
rev_id = rev.revision_id
2291
mutter('converting texts of revision {%s}',
2293
parent_invs = map(self._load_updated_inventory, present_parents)
2294
entries = inv.iter_entries()
2296
for path, ie in entries:
2297
self._convert_file_version(rev, ie, parent_invs)
2299
def _convert_file_version(self, rev, ie, parent_invs):
2300
"""Convert one version of one file.
2302
The file needs to be added into the weave if it is a merge
2303
of >=2 parents or if it's changed from its parent.
2305
file_id = ie.file_id
2306
rev_id = rev.revision_id
2307
w = self.text_weaves.get(file_id)
2310
self.text_weaves[file_id] = w
2311
text_changed = False
2312
parent_candiate_entries = ie.parent_candidates(parent_invs)
2313
heads = graph.Graph(self).heads(parent_candiate_entries.keys())
2314
# XXX: Note that this is unordered - and this is tolerable because
2315
# the previous code was also unordered.
2316
previous_entries = dict((head, parent_candiate_entries[head]) for head
2318
self.snapshot_ie(previous_entries, ie, w, rev_id)
2321
@symbol_versioning.deprecated_method(symbol_versioning.one_one)
2322
def get_parents(self, revision_ids):
2323
for revision_id in revision_ids:
2324
yield self.revisions[revision_id].parent_ids
2326
def get_parent_map(self, revision_ids):
2327
"""See graph._StackedParentsProvider.get_parent_map"""
2328
return dict((revision_id, self.revisions[revision_id])
2329
for revision_id in revision_ids
2330
if revision_id in self.revisions)
2332
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
2333
# TODO: convert this logic, which is ~= snapshot to
2334
# a call to:. This needs the path figured out. rather than a work_tree
2335
# a v4 revision_tree can be given, or something that looks enough like
2336
# one to give the file content to the entry if it needs it.
2337
# and we need something that looks like a weave store for snapshot to
2339
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
2340
if len(previous_revisions) == 1:
2341
previous_ie = previous_revisions.values()[0]
2342
if ie._unchanged(previous_ie):
2343
ie.revision = previous_ie.revision
2346
text = self.branch.repository._text_store.get(ie.text_id)
2347
file_lines = text.readlines()
2348
w.add_lines(rev_id, previous_revisions, file_lines)
2349
self.text_count += 1
2351
w.add_lines(rev_id, previous_revisions, [])
2352
ie.revision = rev_id
2354
def _make_order(self):
2355
"""Return a suitable order for importing revisions.
2357
The order must be such that an revision is imported after all
2358
its (present) parents.
2360
todo = set(self.revisions.keys())
2361
done = self.absent_revisions.copy()
2364
# scan through looking for a revision whose parents
2366
for rev_id in sorted(list(todo)):
2367
rev = self.revisions[rev_id]
2368
parent_ids = set(rev.parent_ids)
2369
if parent_ids.issubset(done):
2370
# can take this one now
2371
order.append(rev_id)
2377
class ConvertBzrDir5To6(Converter):
2378
"""Converts format 5 bzr dirs to format 6."""
2380
def convert(self, to_convert, pb):
2381
"""See Converter.convert()."""
2382
self.bzrdir = to_convert
2384
self.pb.note('starting upgrade from format 5 to 6')
2385
self._convert_to_prefixed()
2386
return BzrDir.open(self.bzrdir.root_transport.base)
2388
def _convert_to_prefixed(self):
2389
from bzrlib.store import TransportStore
2390
self.bzrdir.transport.delete('branch-format')
2391
for store_name in ["weaves", "revision-store"]:
2392
self.pb.note("adding prefixes to %s" % store_name)
2393
store_transport = self.bzrdir.transport.clone(store_name)
2394
store = TransportStore(store_transport, prefixed=True)
2395
for urlfilename in store_transport.list_dir('.'):
2396
filename = urlutils.unescape(urlfilename)
2397
if (filename.endswith(".weave") or
2398
filename.endswith(".gz") or
2399
filename.endswith(".sig")):
2400
file_id, suffix = os.path.splitext(filename)
2404
new_name = store._mapper.map((file_id,)) + suffix
2405
# FIXME keep track of the dirs made RBC 20060121
2407
store_transport.move(filename, new_name)
2408
except errors.NoSuchFile: # catches missing dirs strangely enough
2409
store_transport.mkdir(osutils.dirname(new_name))
2410
store_transport.move(filename, new_name)
2411
self.bzrdir.transport.put_bytes(
2413
BzrDirFormat6().get_format_string(),
2414
mode=self.bzrdir._get_file_mode())
2417
class ConvertBzrDir6ToMeta(Converter):
2418
"""Converts format 6 bzr dirs to metadirs."""
2420
def convert(self, to_convert, pb):
2421
"""See Converter.convert()."""
2422
from bzrlib.repofmt.weaverepo import RepositoryFormat7
2423
from bzrlib.branch import BzrBranchFormat5
2424
self.bzrdir = to_convert
2427
self.total = 20 # the steps we know about
2428
self.garbage_inventories = []
2429
self.dir_mode = self.bzrdir._get_dir_mode()
2430
self.file_mode = self.bzrdir._get_file_mode()
2432
self.pb.note('starting upgrade from format 6 to metadir')
2433
self.bzrdir.transport.put_bytes(
2435
"Converting to format 6",
2436
mode=self.file_mode)
2437
# its faster to move specific files around than to open and use the apis...
2438
# first off, nuke ancestry.weave, it was never used.
2440
self.step('Removing ancestry.weave')
2441
self.bzrdir.transport.delete('ancestry.weave')
2442
except errors.NoSuchFile:
2444
# find out whats there
2445
self.step('Finding branch files')
2446
last_revision = self.bzrdir.open_branch().last_revision()
2447
bzrcontents = self.bzrdir.transport.list_dir('.')
2448
for name in bzrcontents:
2449
if name.startswith('basis-inventory.'):
2450
self.garbage_inventories.append(name)
2451
# create new directories for repository, working tree and branch
2452
repository_names = [('inventory.weave', True),
2453
('revision-store', True),
2455
self.step('Upgrading repository ')
2456
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
2457
self.make_lock('repository')
2458
# we hard code the formats here because we are converting into
2459
# the meta format. The meta format upgrader can take this to a
2460
# future format within each component.
2461
self.put_format('repository', RepositoryFormat7())
2462
for entry in repository_names:
2463
self.move_entry('repository', entry)
2465
self.step('Upgrading branch ')
2466
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
2467
self.make_lock('branch')
2468
self.put_format('branch', BzrBranchFormat5())
2469
branch_files = [('revision-history', True),
2470
('branch-name', True),
2472
for entry in branch_files:
2473
self.move_entry('branch', entry)
2475
checkout_files = [('pending-merges', True),
2476
('inventory', True),
2477
('stat-cache', False)]
2478
# If a mandatory checkout file is not present, the branch does not have
2479
# a functional checkout. Do not create a checkout in the converted
2481
for name, mandatory in checkout_files:
2482
if mandatory and name not in bzrcontents:
2483
has_checkout = False
2487
if not has_checkout:
2488
self.pb.note('No working tree.')
2489
# If some checkout files are there, we may as well get rid of them.
2490
for name, mandatory in checkout_files:
2491
if name in bzrcontents:
2492
self.bzrdir.transport.delete(name)
2494
from bzrlib.workingtree import WorkingTreeFormat3
2495
self.step('Upgrading working tree')
2496
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
2497
self.make_lock('checkout')
2499
'checkout', WorkingTreeFormat3())
2500
self.bzrdir.transport.delete_multi(
2501
self.garbage_inventories, self.pb)
2502
for entry in checkout_files:
2503
self.move_entry('checkout', entry)
2504
if last_revision is not None:
2505
self.bzrdir.transport.put_bytes(
2506
'checkout/last-revision', last_revision)
2507
self.bzrdir.transport.put_bytes(
2509
BzrDirMetaFormat1().get_format_string(),
2510
mode=self.file_mode)
2511
return BzrDir.open(self.bzrdir.root_transport.base)
2513
def make_lock(self, name):
2514
"""Make a lock for the new control dir name."""
2515
self.step('Make %s lock' % name)
2516
ld = lockdir.LockDir(self.bzrdir.transport,
2518
file_modebits=self.file_mode,
2519
dir_modebits=self.dir_mode)
2522
def move_entry(self, new_dir, entry):
2523
"""Move then entry name into new_dir."""
2525
mandatory = entry[1]
2526
self.step('Moving %s' % name)
2528
self.bzrdir.transport.move(name, '%s/%s' % (new_dir, name))
2529
except errors.NoSuchFile:
2533
def put_format(self, dirname, format):
2534
self.bzrdir.transport.put_bytes('%s/format' % dirname,
2535
format.get_format_string(),
2539
class ConvertMetaToMeta(Converter):
2540
"""Converts the components of metadirs."""
2542
def __init__(self, target_format):
2543
"""Create a metadir to metadir converter.
2545
:param target_format: The final metadir format that is desired.
2547
self.target_format = target_format
2549
def convert(self, to_convert, pb):
2550
"""See Converter.convert()."""
2551
self.bzrdir = to_convert
2555
self.step('checking repository format')
2557
repo = self.bzrdir.open_repository()
2558
except errors.NoRepositoryPresent:
2561
if not isinstance(repo._format, self.target_format.repository_format.__class__):
2562
from bzrlib.repository import CopyConverter
2563
self.pb.note('starting repository conversion')
2564
converter = CopyConverter(self.target_format.repository_format)
2565
converter.convert(repo, pb)
2567
branch = self.bzrdir.open_branch()
2568
except errors.NotBranchError:
2571
# TODO: conversions of Branch and Tree should be done by
2572
# InterXFormat lookups/some sort of registry.
2573
# Avoid circular imports
2574
from bzrlib import branch as _mod_branch
2575
old = branch._format.__class__
2576
new = self.target_format.get_branch_format().__class__
2578
if (old == _mod_branch.BzrBranchFormat5 and
2579
new in (_mod_branch.BzrBranchFormat6,
2580
_mod_branch.BzrBranchFormat7)):
2581
branch_converter = _mod_branch.Converter5to6()
2582
elif (old == _mod_branch.BzrBranchFormat6 and
2583
new == _mod_branch.BzrBranchFormat7):
2584
branch_converter = _mod_branch.Converter6to7()
2586
raise errors.BadConversionTarget("No converter", new)
2587
branch_converter.convert(branch)
2588
branch = self.bzrdir.open_branch()
2589
old = branch._format.__class__
2591
tree = self.bzrdir.open_workingtree(recommend_upgrade=False)
2592
except (errors.NoWorkingTree, errors.NotLocalUrl):
2595
# TODO: conversions of Branch and Tree should be done by
2596
# InterXFormat lookups
2597
if (isinstance(tree, workingtree.WorkingTree3) and
2598
not isinstance(tree, workingtree_4.WorkingTree4) and
2599
isinstance(self.target_format.workingtree_format,
2600
workingtree_4.WorkingTreeFormat4)):
2601
workingtree_4.Converter3to4().convert(tree)
2605
# This is not in remote.py because it's small, and needs to be registered.
2606
# Putting it in remote.py creates a circular import problem.
2607
# we can make it a lazy object if the control formats is turned into something
2609
class RemoteBzrDirFormat(BzrDirMetaFormat1):
2610
"""Format representing bzrdirs accessed via a smart server"""
2612
def get_format_description(self):
2613
return 'bzr remote bzrdir'
2616
def probe_transport(klass, transport):
2617
"""Return a RemoteBzrDirFormat object if it looks possible."""
2619
medium = transport.get_smart_medium()
2620
except (NotImplementedError, AttributeError,
2621
errors.TransportNotPossible, errors.NoSmartMedium,
2622
errors.SmartProtocolError):
2623
# no smart server, so not a branch for this format type.
2624
raise errors.NotBranchError(path=transport.base)
2626
# Decline to open it if the server doesn't support our required
2627
# version (3) so that the VFS-based transport will do it.
2628
if medium.should_probe():
2630
server_version = medium.protocol_version()
2631
except errors.SmartProtocolError:
2632
# Apparently there's no usable smart server there, even though
2633
# the medium supports the smart protocol.
2634
raise errors.NotBranchError(path=transport.base)
2635
if server_version != '2':
2636
raise errors.NotBranchError(path=transport.base)
2639
def initialize_on_transport(self, transport):
2641
# hand off the request to the smart server
2642
client_medium = transport.get_smart_medium()
2643
except errors.NoSmartMedium:
2644
# TODO: lookup the local format from a server hint.
2645
local_dir_format = BzrDirMetaFormat1()
2646
return local_dir_format.initialize_on_transport(transport)
2647
client = _SmartClient(client_medium)
2648
path = client.remote_path_from_transport(transport)
2649
response = client.call('BzrDirFormat.initialize', path)
2650
if response[0] != 'ok':
2651
raise errors.SmartProtocolError('unexpected response code %s' % (response,))
2652
return remote.RemoteBzrDir(transport)
2654
def _open(self, transport):
2655
return remote.RemoteBzrDir(transport)
2657
def __eq__(self, other):
2658
if not isinstance(other, RemoteBzrDirFormat):
2660
return self.get_format_description() == other.get_format_description()
2663
def repository_format(self):
2664
# Using a property to avoid early loading of remote
2665
return remote.RemoteRepositoryFormat()
2668
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
2671
class BzrDirFormatInfo(object):
2673
def __init__(self, native, deprecated, hidden, experimental):
2674
self.deprecated = deprecated
2675
self.native = native
2676
self.hidden = hidden
2677
self.experimental = experimental
2680
class BzrDirFormatRegistry(registry.Registry):
2681
"""Registry of user-selectable BzrDir subformats.
2683
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
2684
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
2688
"""Create a BzrDirFormatRegistry."""
2689
self._aliases = set()
2690
super(BzrDirFormatRegistry, self).__init__()
2693
"""Return a set of the format names which are aliases."""
2694
return frozenset(self._aliases)
2696
def register_metadir(self, key,
2697
repository_format, help, native=True, deprecated=False,
2703
"""Register a metadir subformat.
2705
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2706
by the Repository format.
2708
:param repository_format: The fully-qualified repository format class
2710
:param branch_format: Fully-qualified branch format class name as
2712
:param tree_format: Fully-qualified tree format class name as
2715
# This should be expanded to support setting WorkingTree and Branch
2716
# formats, once BzrDirMetaFormat1 supports that.
2717
def _load(full_name):
2718
mod_name, factory_name = full_name.rsplit('.', 1)
2720
mod = __import__(mod_name, globals(), locals(),
2722
except ImportError, e:
2723
raise ImportError('failed to load %s: %s' % (full_name, e))
2725
factory = getattr(mod, factory_name)
2726
except AttributeError:
2727
raise AttributeError('no factory %s in module %r'
2732
bd = BzrDirMetaFormat1()
2733
if branch_format is not None:
2734
bd.set_branch_format(_load(branch_format))
2735
if tree_format is not None:
2736
bd.workingtree_format = _load(tree_format)
2737
if repository_format is not None:
2738
bd.repository_format = _load(repository_format)
2740
self.register(key, helper, help, native, deprecated, hidden,
2741
experimental, alias)
2743
def register(self, key, factory, help, native=True, deprecated=False,
2744
hidden=False, experimental=False, alias=False):
2745
"""Register a BzrDirFormat factory.
2747
The factory must be a callable that takes one parameter: the key.
2748
It must produce an instance of the BzrDirFormat when called.
2750
This function mainly exists to prevent the info object from being
2753
registry.Registry.register(self, key, factory, help,
2754
BzrDirFormatInfo(native, deprecated, hidden, experimental))
2756
self._aliases.add(key)
2758
def register_lazy(self, key, module_name, member_name, help, native=True,
2759
deprecated=False, hidden=False, experimental=False, alias=False):
2760
registry.Registry.register_lazy(self, key, module_name, member_name,
2761
help, BzrDirFormatInfo(native, deprecated, hidden, experimental))
2763
self._aliases.add(key)
2765
def set_default(self, key):
2766
"""Set the 'default' key to be a clone of the supplied key.
2768
This method must be called once and only once.
2770
registry.Registry.register(self, 'default', self.get(key),
2771
self.get_help(key), info=self.get_info(key))
2772
self._aliases.add('default')
2774
def set_default_repository(self, key):
2775
"""Set the FormatRegistry default and Repository default.
2777
This is a transitional method while Repository.set_default_format
2780
if 'default' in self:
2781
self.remove('default')
2782
self.set_default(key)
2783
format = self.get('default')()
2785
def make_bzrdir(self, key):
2786
return self.get(key)()
2788
def help_topic(self, topic):
2789
output = textwrap.dedent("""\
2790
These formats can be used for creating branches, working trees, and
2794
default_realkey = None
2795
default_help = self.get_help('default')
2797
for key in self.keys():
2798
if key == 'default':
2800
help = self.get_help(key)
2801
if help == default_help:
2802
default_realkey = key
2804
help_pairs.append((key, help))
2806
def wrapped(key, help, info):
2808
help = '(native) ' + help
2809
return ':%s:\n%s\n\n' % (key,
2810
textwrap.fill(help, initial_indent=' ',
2811
subsequent_indent=' '))
2812
if default_realkey is not None:
2813
output += wrapped(default_realkey, '(default) %s' % default_help,
2814
self.get_info('default'))
2815
deprecated_pairs = []
2816
experimental_pairs = []
2817
for key, help in help_pairs:
2818
info = self.get_info(key)
2821
elif info.deprecated:
2822
deprecated_pairs.append((key, help))
2823
elif info.experimental:
2824
experimental_pairs.append((key, help))
2826
output += wrapped(key, help, info)
2827
if len(experimental_pairs) > 0:
2828
output += "Experimental formats are shown below.\n\n"
2829
for key, help in experimental_pairs:
2830
info = self.get_info(key)
2831
output += wrapped(key, help, info)
2832
if len(deprecated_pairs) > 0:
2833
output += "Deprecated formats are shown below.\n\n"
2834
for key, help in deprecated_pairs:
2835
info = self.get_info(key)
2836
output += wrapped(key, help, info)
2841
class RepositoryAcquisitionPolicy(object):
2842
"""Abstract base class for repository acquisition policies.
2844
A repository acquisition policy decides how a BzrDir acquires a repository
2845
for a branch that is being created. The most basic policy decision is
2846
whether to create a new repository or use an existing one.
2848
def __init__(self, stack_on, stack_on_pwd, require_stacking):
2851
:param stack_on: A location to stack on
2852
:param stack_on_pwd: If stack_on is relative, the location it is
2854
:param require_stacking: If True, it is a failure to not stack.
2856
self._stack_on = stack_on
2857
self._stack_on_pwd = stack_on_pwd
2858
self._require_stacking = require_stacking
2860
def configure_branch(self, branch):
2861
"""Apply any configuration data from this policy to the branch.
2863
Default implementation sets repository stacking.
2865
if self._stack_on is None:
2867
if self._stack_on_pwd is None:
2868
stack_on = self._stack_on
2871
stack_on = urlutils.rebase_url(self._stack_on,
2873
branch.bzrdir.root_transport.base)
2874
except errors.InvalidRebaseURLs:
2875
stack_on = self._get_full_stack_on()
2877
branch.set_stacked_on_url(stack_on)
2878
except errors.UnstackableBranchFormat:
2879
if self._require_stacking:
2882
def _get_full_stack_on(self):
2883
"""Get a fully-qualified URL for the stack_on location."""
2884
if self._stack_on is None:
2886
if self._stack_on_pwd is None:
2887
return self._stack_on
2889
return urlutils.join(self._stack_on_pwd, self._stack_on)
2891
def _add_fallback(self, repository):
2892
"""Add a fallback to the supplied repository, if stacking is set."""
2893
stack_on = self._get_full_stack_on()
2894
if stack_on is None:
2896
stacked_dir = BzrDir.open(stack_on)
2898
stacked_repo = stacked_dir.open_branch().repository
2899
except errors.NotBranchError:
2900
stacked_repo = stacked_dir.open_repository()
2902
repository.add_fallback_repository(stacked_repo)
2903
except errors.UnstackableRepositoryFormat:
2904
if self._require_stacking:
2907
def acquire_repository(self, make_working_trees=None, shared=False):
2908
"""Acquire a repository for this bzrdir.
2910
Implementations may create a new repository or use a pre-exising
2912
:param make_working_trees: If creating a repository, set
2913
make_working_trees to this value (if non-None)
2914
:param shared: If creating a repository, make it shared if True
2915
:return: A repository
2917
raise NotImplemented(RepositoryAcquisitionPolicy.acquire_repository)
2920
class CreateRepository(RepositoryAcquisitionPolicy):
2921
"""A policy of creating a new repository"""
2923
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
2924
require_stacking=False):
2927
:param bzrdir: The bzrdir to create the repository on.
2928
:param stack_on: A location to stack on
2929
:param stack_on_pwd: If stack_on is relative, the location it is
2932
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2934
self._bzrdir = bzrdir
2936
def acquire_repository(self, make_working_trees=None, shared=False):
2937
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2939
Creates the desired repository in the bzrdir we already have.
2941
repository = self._bzrdir.create_repository(shared=shared)
2942
self._add_fallback(repository)
2943
if make_working_trees is not None:
2944
repository.set_make_working_trees(make_working_trees)
2948
class UseExistingRepository(RepositoryAcquisitionPolicy):
2949
"""A policy of reusing an existing repository"""
2951
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
2952
require_stacking=False):
2955
:param repository: The repository to use.
2956
:param stack_on: A location to stack on
2957
:param stack_on_pwd: If stack_on is relative, the location it is
2960
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2962
self._repository = repository
2964
def acquire_repository(self, make_working_trees=None, shared=False):
2965
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2967
Returns an existing repository to use
2969
self._add_fallback(self._repository)
2970
return self._repository
2973
format_registry = BzrDirFormatRegistry()
2974
format_registry.register('weave', BzrDirFormat6,
2975
'Pre-0.8 format. Slower than knit and does not'
2976
' support checkouts or shared repositories.',
2978
format_registry.register_metadir('knit',
2979
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2980
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
2981
branch_format='bzrlib.branch.BzrBranchFormat5',
2982
tree_format='bzrlib.workingtree.WorkingTreeFormat3')
2983
format_registry.register_metadir('metaweave',
2984
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
2985
'Transitional format in 0.8. Slower than knit.',
2986
branch_format='bzrlib.branch.BzrBranchFormat5',
2987
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
2989
format_registry.register_metadir('dirstate',
2990
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2991
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
2992
'above when accessed over the network.',
2993
branch_format='bzrlib.branch.BzrBranchFormat5',
2994
# this uses bzrlib.workingtree.WorkingTreeFormat4 because importing
2995
# directly from workingtree_4 triggers a circular import.
2996
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2998
format_registry.register_metadir('dirstate-tags',
2999
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
3000
help='New in 0.15: Fast local operations and improved scaling for '
3001
'network operations. Additionally adds support for tags.'
3002
' Incompatible with bzr < 0.15.',
3003
branch_format='bzrlib.branch.BzrBranchFormat6',
3004
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3006
format_registry.register_metadir('rich-root',
3007
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
3008
help='New in 1.0. Better handling of tree roots. Incompatible with'
3010
branch_format='bzrlib.branch.BzrBranchFormat6',
3011
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3013
format_registry.register_metadir('dirstate-with-subtree',
3014
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
3015
help='New in 0.15: Fast local operations and improved scaling for '
3016
'network operations. Additionally adds support for versioning nested '
3017
'bzr branches. Incompatible with bzr < 0.15.',
3018
branch_format='bzrlib.branch.BzrBranchFormat6',
3019
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3023
format_registry.register_metadir('pack-0.92',
3024
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack1',
3025
help='New in 0.92: Pack-based format with data compatible with '
3026
'dirstate-tags format repositories. Interoperates with '
3027
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3028
'Previously called knitpack-experimental. '
3029
'For more information, see '
3030
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3031
branch_format='bzrlib.branch.BzrBranchFormat6',
3032
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3034
format_registry.register_metadir('pack-0.92-subtree',
3035
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack3',
3036
help='New in 0.92: Pack-based format with data compatible with '
3037
'dirstate-with-subtree format repositories. Interoperates with '
3038
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3039
'Previously called knitpack-experimental. '
3040
'For more information, see '
3041
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3042
branch_format='bzrlib.branch.BzrBranchFormat6',
3043
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3047
format_registry.register_metadir('rich-root-pack',
3048
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack4',
3049
help='New in 1.0: Pack-based format with data compatible with '
3050
'rich-root format repositories. Incompatible with'
3052
branch_format='bzrlib.branch.BzrBranchFormat6',
3053
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3055
format_registry.register_metadir('1.6',
3056
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5',
3057
help='A branch and pack based repository that supports stacking. ',
3058
branch_format='bzrlib.branch.BzrBranchFormat7',
3059
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3061
format_registry.register_metadir('1.6.1-rich-root',
3062
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5RichRoot',
3063
help='A branch and pack based repository that supports stacking '
3064
'and rich root data (needed for bzr-svn). ',
3065
branch_format='bzrlib.branch.BzrBranchFormat7',
3066
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3068
format_registry.register_metadir('1.9',
3069
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6',
3070
help='A branch and pack based repository that uses btree indexes. ',
3071
branch_format='bzrlib.branch.BzrBranchFormat7',
3072
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3074
format_registry.register_metadir('1.9-rich-root',
3075
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6RichRoot',
3076
help='A branch and pack based repository that uses btree indexes '
3077
'and rich root data (needed for bzr-svn). ',
3078
branch_format='bzrlib.branch.BzrBranchFormat7',
3079
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3081
# The following two formats should always just be aliases.
3082
format_registry.register_metadir('development',
3083
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2',
3084
help='Current development format. Can convert data to and from pack-0.92 '
3085
'(and anything compatible with pack-0.92) format repositories. '
3086
'Repositories and branches in this format can only be read by bzr.dev. '
3088
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3090
branch_format='bzrlib.branch.BzrBranchFormat7',
3091
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3095
format_registry.register_metadir('development-subtree',
3096
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2Subtree',
3097
help='Current development format, subtree variant. Can convert data to and '
3098
'from pack-0.92-subtree (and anything compatible with '
3099
'pack-0.92-subtree) format repositories. Repositories and branches in '
3100
'this format can only be read by bzr.dev. Please read '
3101
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3103
branch_format='bzrlib.branch.BzrBranchFormat7',
3104
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3108
# And the development formats above will have aliased one of the following:
3109
format_registry.register_metadir('development2',
3110
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2',
3111
help='1.6.1 with B+Tree based index. '
3113
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3115
branch_format='bzrlib.branch.BzrBranchFormat7',
3116
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3120
format_registry.register_metadir('development2-subtree',
3121
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2Subtree',
3122
help='1.6.1-subtree with B+Tree based index. '
3124
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3126
branch_format='bzrlib.branch.BzrBranchFormat7',
3127
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3131
# The current format that is made on 'bzr init'.
3132
format_registry.set_default('pack-0.92')
added
removed
bzrlib/bzrdir.py
