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# Copyright (C) 2005, 2006, 2007, 2008, 2009 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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if not require_stacking and repository_policy._require_stacking:
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require_stacking = True
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result._format.require_stacking()
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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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pb = ui.ui_factory.nested_progress_bar()
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# FIXME: bug 300001 -- the backup fails if the backup directory
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# already exists, but it should instead either remove it or make
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# a new backup directory.
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# FIXME: bug 262450 -- the backup directory should have the same
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# permissions as the .bzr directory (probably a bug in copy_tree)
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old_path = self.root_transport.abspath('.bzr')
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new_path = self.root_transport.abspath('backup.bzr')
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pb.note('making backup of %s' % (old_path,))
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pb.note(' to %s' % (new_path,))
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self.root_transport.copy_tree('.bzr', 'backup.bzr')
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return (old_path, new_path)
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def retire_bzrdir(self, limit=10000):
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"""Permanently disable the bzrdir.
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This is done by renaming it to give the user some ability to recover
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if there was a problem.
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This will have horrible consequences if anyone has anything locked or
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:param limit: number of times to retry
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to_path = '.bzr.retired.%d' % i
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self.root_transport.rename('.bzr', to_path)
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note("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
765
# add new tests for it to the appropriate place.
766
return filename == '.bzr' or filename.startswith('.bzr/')
768
def needs_format_conversion(self, format=None):
769
"""Return true if this bzrdir needs convert_format run on it.
771
For instance, if the repository format is out of date but the
772
branch and working tree are not, this should return True.
774
:param format: Optional parameter indicating a specific desired
775
format we plan to arrive at.
777
raise NotImplementedError(self.needs_format_conversion)
780
def open_unsupported(base):
781
"""Open a branch which is not supported."""
782
return BzrDir.open(base, _unsupported=True)
785
def open(base, _unsupported=False, possible_transports=None):
786
"""Open an existing bzrdir, rooted at 'base' (url).
788
:param _unsupported: a private parameter to the BzrDir class.
790
t = get_transport(base, possible_transports=possible_transports)
791
return BzrDir.open_from_transport(t, _unsupported=_unsupported)
794
def open_from_transport(transport, _unsupported=False,
795
_server_formats=True):
796
"""Open a bzrdir within a particular directory.
798
:param transport: Transport containing the bzrdir.
799
:param _unsupported: private.
801
# Keep initial base since 'transport' may be modified while following
803
base = transport.base
804
def find_format(transport):
805
return transport, BzrDirFormat.find_format(
806
transport, _server_formats=_server_formats)
808
def redirected(transport, e, redirection_notice):
809
redirected_transport = transport._redirected_to(e.source, e.target)
810
if redirected_transport is None:
811
raise errors.NotBranchError(base)
812
note('%s is%s redirected to %s',
813
transport.base, e.permanently, redirected_transport.base)
814
return redirected_transport
817
transport, format = do_catching_redirections(find_format,
820
except errors.TooManyRedirections:
821
raise errors.NotBranchError(base)
823
BzrDir._check_supported(format, _unsupported)
824
return format.open(transport, _found=True)
826
def open_branch(self, unsupported=False):
827
"""Open the branch object at this BzrDir if one is present.
829
If unsupported is True, then no longer supported branch formats can
832
TODO: static convenience version of this?
834
raise NotImplementedError(self.open_branch)
837
def open_containing(url, possible_transports=None):
838
"""Open an existing branch which contains url.
840
:param url: url to search from.
841
See open_containing_from_transport for more detail.
843
transport = get_transport(url, possible_transports)
844
return BzrDir.open_containing_from_transport(transport)
847
def open_containing_from_transport(a_transport):
848
"""Open an existing branch which contains a_transport.base.
850
This probes for a branch at a_transport, and searches upwards from there.
852
Basically we keep looking up until we find the control directory or
853
run into the root. If there isn't one, raises NotBranchError.
854
If there is one and it is either an unrecognised format or an unsupported
855
format, UnknownFormatError or UnsupportedFormatError are raised.
856
If there is one, it is returned, along with the unused portion of url.
858
:return: The BzrDir that contains the path, and a Unicode path
859
for the rest of the URL.
861
# this gets the normalised url back. I.e. '.' -> the full path.
862
url = a_transport.base
865
result = BzrDir.open_from_transport(a_transport)
866
return result, urlutils.unescape(a_transport.relpath(url))
867
except errors.NotBranchError, e:
870
new_t = a_transport.clone('..')
871
except errors.InvalidURLJoin:
872
# reached the root, whatever that may be
873
raise errors.NotBranchError(path=url)
874
if new_t.base == a_transport.base:
875
# reached the root, whatever that may be
876
raise errors.NotBranchError(path=url)
879
def _get_tree_branch(self):
880
"""Return the branch and tree, if any, for this bzrdir.
882
Return None for tree if not present or inaccessible.
883
Raise NotBranchError if no branch is present.
884
:return: (tree, branch)
887
tree = self.open_workingtree()
888
except (errors.NoWorkingTree, errors.NotLocalUrl):
890
branch = self.open_branch()
896
def open_tree_or_branch(klass, location):
897
"""Return the branch and working tree at a location.
899
If there is no tree at the location, tree will be None.
900
If there is no branch at the location, an exception will be
902
:return: (tree, branch)
904
bzrdir = klass.open(location)
905
return bzrdir._get_tree_branch()
908
def open_containing_tree_or_branch(klass, location):
909
"""Return the branch and working tree contained by a location.
911
Returns (tree, branch, relpath).
912
If there is no tree at containing the location, tree will be None.
913
If there is no branch containing the location, an exception will be
915
relpath is the portion of the path that is contained by the branch.
917
bzrdir, relpath = klass.open_containing(location)
918
tree, branch = bzrdir._get_tree_branch()
919
return tree, branch, relpath
922
def open_containing_tree_branch_or_repository(klass, location):
923
"""Return the working tree, branch and repo contained by a location.
925
Returns (tree, branch, repository, relpath).
926
If there is no tree containing the location, tree will be None.
927
If there is no branch containing the location, branch will be None.
928
If there is no repository containing the location, repository will be
930
relpath is the portion of the path that is contained by the innermost
933
If no tree, branch or repository is found, a NotBranchError is raised.
935
bzrdir, relpath = klass.open_containing(location)
937
tree, branch = bzrdir._get_tree_branch()
938
except errors.NotBranchError:
940
repo = bzrdir.find_repository()
941
return None, None, repo, relpath
942
except (errors.NoRepositoryPresent):
943
raise errors.NotBranchError(location)
944
return tree, branch, branch.repository, relpath
946
def open_repository(self, _unsupported=False):
947
"""Open the repository object at this BzrDir if one is present.
949
This will not follow the Branch object pointer - it's strictly a direct
950
open facility. Most client code should use open_branch().repository to
953
:param _unsupported: a private parameter, not part of the api.
954
TODO: static convenience version of this?
956
raise NotImplementedError(self.open_repository)
958
def open_workingtree(self, _unsupported=False,
959
recommend_upgrade=True, from_branch=None):
960
"""Open the workingtree object at this BzrDir if one is present.
962
:param recommend_upgrade: Optional keyword parameter, when True (the
963
default), emit through the ui module a recommendation that the user
964
upgrade the working tree when the workingtree being opened is old
965
(but still fully supported).
966
:param from_branch: override bzrdir branch (for lightweight checkouts)
968
raise NotImplementedError(self.open_workingtree)
970
def has_branch(self):
971
"""Tell if this bzrdir contains a branch.
973
Note: if you're going to open the branch, you should just go ahead
974
and try, and not ask permission first. (This method just opens the
975
branch and discards it, and that's somewhat expensive.)
980
except errors.NotBranchError:
983
def has_workingtree(self):
984
"""Tell if this bzrdir contains a working tree.
986
This will still raise an exception if the bzrdir has a workingtree that
987
is remote & inaccessible.
989
Note: if you're going to open the working tree, you should just go ahead
990
and try, and not ask permission first. (This method just opens the
991
workingtree and discards it, and that's somewhat expensive.)
994
self.open_workingtree(recommend_upgrade=False)
996
except errors.NoWorkingTree:
999
def _cloning_metadir(self):
1000
"""Produce a metadir suitable for cloning with.
1002
:returns: (destination_bzrdir_format, source_repository)
1004
result_format = self._format.__class__()
1007
branch = self.open_branch()
1008
source_repository = branch.repository
1009
result_format._branch_format = branch._format
1010
except errors.NotBranchError:
1011
source_branch = None
1012
source_repository = self.open_repository()
1013
except errors.NoRepositoryPresent:
1014
source_repository = None
1016
# XXX TODO: This isinstance is here because we have not implemented
1017
# the fix recommended in bug # 103195 - to delegate this choice the
1018
# repository itself.
1019
repo_format = source_repository._format
1020
if isinstance(repo_format, remote.RemoteRepositoryFormat):
1021
source_repository._ensure_real()
1022
repo_format = source_repository._real_repository._format
1023
result_format.repository_format = repo_format
1025
# TODO: Couldn't we just probe for the format in these cases,
1026
# rather than opening the whole tree? It would be a little
1027
# faster. mbp 20070401
1028
tree = self.open_workingtree(recommend_upgrade=False)
1029
except (errors.NoWorkingTree, errors.NotLocalUrl):
1030
result_format.workingtree_format = None
1032
result_format.workingtree_format = tree._format.__class__()
1033
return result_format, source_repository
1035
def cloning_metadir(self, require_stacking=False):
1036
"""Produce a metadir suitable for cloning or sprouting with.
1038
These operations may produce workingtrees (yes, even though they're
1039
"cloning" something that doesn't have a tree), so a viable workingtree
1040
format must be selected.
1042
:require_stacking: If True, non-stackable formats will be upgraded
1043
to similar stackable formats.
1044
:returns: a BzrDirFormat with all component formats either set
1045
appropriately or set to None if that component should not be
1048
format, repository = self._cloning_metadir()
1049
if format._workingtree_format is None:
1050
if repository is None:
1052
tree_format = repository._format._matchingbzrdir.workingtree_format
1053
format.workingtree_format = tree_format.__class__()
1054
if require_stacking:
1055
format.require_stacking()
1058
def checkout_metadir(self):
1059
return self.cloning_metadir()
1061
def sprout(self, url, revision_id=None, force_new_repo=False,
1062
recurse='down', possible_transports=None,
1063
accelerator_tree=None, hardlink=False, stacked=False,
1064
source_branch=None):
1065
"""Create a copy of this bzrdir prepared for use as a new line of
1068
If url's last component does not exist, it will be created.
1070
Attributes related to the identity of the source branch like
1071
branch nickname will be cleaned, a working tree is created
1072
whether one existed before or not; and a local branch is always
1075
if revision_id is not None, then the clone operation may tune
1076
itself to download less data.
1077
:param accelerator_tree: A tree which can be used for retrieving file
1078
contents more quickly than the revision tree, i.e. a workingtree.
1079
The revision tree will be used for cases where accelerator_tree's
1080
content is different.
1081
:param hardlink: If true, hard-link files from accelerator_tree,
1083
:param stacked: If true, create a stacked branch referring to the
1084
location of this control directory.
1086
target_transport = get_transport(url, possible_transports)
1087
target_transport.ensure_base()
1088
cloning_format = self.cloning_metadir(stacked)
1089
# Create/update the result branch
1090
result = cloning_format.initialize_on_transport(target_transport)
1091
# if a stacked branch wasn't requested, we don't create one
1092
# even if the origin was stacked
1093
stacked_branch_url = None
1094
if source_branch is not None:
1096
stacked_branch_url = self.root_transport.base
1097
source_repository = source_branch.repository
1100
source_branch = self.open_branch()
1101
source_repository = source_branch.repository
1103
stacked_branch_url = self.root_transport.base
1104
except errors.NotBranchError:
1105
source_branch = None
1107
source_repository = self.open_repository()
1108
except errors.NoRepositoryPresent:
1109
source_repository = None
1110
repository_policy = result.determine_repository_policy(
1111
force_new_repo, stacked_branch_url, require_stacking=stacked)
1112
result_repo = repository_policy.acquire_repository()
1113
if source_repository is not None:
1114
# Fetch while stacked to prevent unstacked fetch from
1116
result_repo.fetch(source_repository, revision_id=revision_id)
1118
if source_branch is None:
1119
# this is for sprouting a bzrdir without a branch; is that
1121
# Not especially, but it's part of the contract.
1122
result_branch = result.create_branch()
1124
# Force NULL revision to avoid using repository before stacking
1126
result_branch = source_branch.sprout(
1127
result, revision_id=_mod_revision.NULL_REVISION)
1128
parent_location = result_branch.get_parent()
1129
mutter("created new branch %r" % (result_branch,))
1130
repository_policy.configure_branch(result_branch)
1131
if source_branch is not None:
1132
source_branch.copy_content_into(result_branch, revision_id)
1133
# Override copy_content_into
1134
result_branch.set_parent(parent_location)
1136
# Create/update the result working tree
1137
if isinstance(target_transport, local.LocalTransport) and (
1138
result_repo is None or result_repo.make_working_trees()):
1139
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
1143
if wt.path2id('') is None:
1145
wt.set_root_id(self.open_workingtree.get_root_id())
1146
except errors.NoWorkingTree:
1152
if recurse == 'down':
1154
basis = wt.basis_tree()
1156
subtrees = basis.iter_references()
1157
elif result_branch is not None:
1158
basis = result_branch.basis_tree()
1160
subtrees = basis.iter_references()
1161
elif source_branch is not None:
1162
basis = source_branch.basis_tree()
1164
subtrees = basis.iter_references()
1169
for path, file_id in subtrees:
1170
target = urlutils.join(url, urlutils.escape(path))
1171
sublocation = source_branch.reference_parent(file_id, path)
1172
sublocation.bzrdir.sprout(target,
1173
basis.get_reference_revision(file_id, path),
1174
force_new_repo=force_new_repo, recurse=recurse,
1177
if basis is not None:
1182
class BzrDirPreSplitOut(BzrDir):
1183
"""A common class for the all-in-one formats."""
1185
def __init__(self, _transport, _format):
1186
"""See BzrDir.__init__."""
1187
super(BzrDirPreSplitOut, self).__init__(_transport, _format)
1188
self._control_files = lockable_files.LockableFiles(
1189
self.get_branch_transport(None),
1190
self._format._lock_file_name,
1191
self._format._lock_class)
1193
def break_lock(self):
1194
"""Pre-splitout bzrdirs do not suffer from stale locks."""
1195
raise NotImplementedError(self.break_lock)
1197
def cloning_metadir(self, require_stacking=False):
1198
"""Produce a metadir suitable for cloning with."""
1199
if require_stacking:
1200
return format_registry.make_bzrdir('1.6')
1201
return self._format.__class__()
1203
def clone(self, url, revision_id=None, force_new_repo=False,
1204
preserve_stacking=False):
1205
"""See BzrDir.clone().
1207
force_new_repo has no effect, since this family of formats always
1208
require a new repository.
1209
preserve_stacking has no effect, since no source branch using this
1210
family of formats can be stacked, so there is no stacking to preserve.
1212
self._make_tail(url)
1213
result = self._format._initialize_for_clone(url)
1214
self.open_repository().clone(result, revision_id=revision_id)
1215
from_branch = self.open_branch()
1216
from_branch.clone(result, revision_id=revision_id)
1218
tree = self.open_workingtree()
1219
except errors.NotLocalUrl:
1220
# make a new one, this format always has to have one.
1221
result._init_workingtree()
1226
def create_branch(self):
1227
"""See BzrDir.create_branch."""
1228
return self._format.get_branch_format().initialize(self)
1230
def destroy_branch(self):
1231
"""See BzrDir.destroy_branch."""
1232
raise errors.UnsupportedOperation(self.destroy_branch, self)
1234
def create_repository(self, shared=False):
1235
"""See BzrDir.create_repository."""
1237
raise errors.IncompatibleFormat('shared repository', self._format)
1238
return self.open_repository()
1240
def destroy_repository(self):
1241
"""See BzrDir.destroy_repository."""
1242
raise errors.UnsupportedOperation(self.destroy_repository, self)
1244
def create_workingtree(self, revision_id=None, from_branch=None,
1245
accelerator_tree=None, hardlink=False):
1246
"""See BzrDir.create_workingtree."""
1247
# The workingtree is sometimes created when the bzrdir is created,
1248
# but not when cloning.
1250
# this looks buggy but is not -really-
1251
# because this format creates the workingtree when the bzrdir is
1253
# clone and sprout will have set the revision_id
1254
# and that will have set it for us, its only
1255
# specific uses of create_workingtree in isolation
1256
# that can do wonky stuff here, and that only
1257
# happens for creating checkouts, which cannot be
1258
# done on this format anyway. So - acceptable wart.
1260
result = self.open_workingtree(recommend_upgrade=False)
1261
except errors.NoSuchFile:
1262
result = self._init_workingtree()
1263
if revision_id is not None:
1264
if revision_id == _mod_revision.NULL_REVISION:
1265
result.set_parent_ids([])
1267
result.set_parent_ids([revision_id])
1270
def _init_workingtree(self):
1271
from bzrlib.workingtree import WorkingTreeFormat2
1273
return WorkingTreeFormat2().initialize(self)
1274
except errors.NotLocalUrl:
1275
# Even though we can't access the working tree, we need to
1276
# create its control files.
1277
return WorkingTreeFormat2()._stub_initialize_on_transport(
1278
self.transport, self._control_files._file_mode)
1280
def destroy_workingtree(self):
1281
"""See BzrDir.destroy_workingtree."""
1282
raise errors.UnsupportedOperation(self.destroy_workingtree, self)
1284
def destroy_workingtree_metadata(self):
1285
"""See BzrDir.destroy_workingtree_metadata."""
1286
raise errors.UnsupportedOperation(self.destroy_workingtree_metadata,
1289
def get_branch_transport(self, branch_format):
1290
"""See BzrDir.get_branch_transport()."""
1291
if branch_format is None:
1292
return self.transport
1294
branch_format.get_format_string()
1295
except NotImplementedError:
1296
return self.transport
1297
raise errors.IncompatibleFormat(branch_format, self._format)
1299
def get_repository_transport(self, repository_format):
1300
"""See BzrDir.get_repository_transport()."""
1301
if repository_format is None:
1302
return self.transport
1304
repository_format.get_format_string()
1305
except NotImplementedError:
1306
return self.transport
1307
raise errors.IncompatibleFormat(repository_format, self._format)
1309
def get_workingtree_transport(self, workingtree_format):
1310
"""See BzrDir.get_workingtree_transport()."""
1311
if workingtree_format is None:
1312
return self.transport
1314
workingtree_format.get_format_string()
1315
except NotImplementedError:
1316
return self.transport
1317
raise errors.IncompatibleFormat(workingtree_format, self._format)
1319
def needs_format_conversion(self, format=None):
1320
"""See BzrDir.needs_format_conversion()."""
1321
# if the format is not the same as the system default,
1322
# an upgrade is needed.
1324
symbol_versioning.warn(symbol_versioning.deprecated_in((1, 13, 0))
1325
% 'needs_format_conversion(format=None)')
1326
format = BzrDirFormat.get_default_format()
1327
return not isinstance(self._format, format.__class__)
1329
def open_branch(self, unsupported=False):
1330
"""See BzrDir.open_branch."""
1331
from bzrlib.branch import BzrBranchFormat4
1332
format = BzrBranchFormat4()
1333
self._check_supported(format, unsupported)
1334
return format.open(self, _found=True)
1336
def sprout(self, url, revision_id=None, force_new_repo=False,
1337
possible_transports=None, accelerator_tree=None,
1338
hardlink=False, stacked=False):
1339
"""See BzrDir.sprout()."""
1341
raise errors.UnstackableBranchFormat(
1342
self._format, self.root_transport.base)
1343
from bzrlib.workingtree import WorkingTreeFormat2
1344
self._make_tail(url)
1345
result = self._format._initialize_for_clone(url)
1347
self.open_repository().clone(result, revision_id=revision_id)
1348
except errors.NoRepositoryPresent:
1351
self.open_branch().sprout(result, revision_id=revision_id)
1352
except errors.NotBranchError:
1354
# we always want a working tree
1355
WorkingTreeFormat2().initialize(result,
1356
accelerator_tree=accelerator_tree,
1361
class BzrDir4(BzrDirPreSplitOut):
1362
"""A .bzr version 4 control object.
1364
This is a deprecated format and may be removed after sept 2006.
1367
def create_repository(self, shared=False):
1368
"""See BzrDir.create_repository."""
1369
return self._format.repository_format.initialize(self, shared)
1371
def needs_format_conversion(self, format=None):
1372
"""Format 4 dirs are always in need of conversion."""
1374
symbol_versioning.warn(symbol_versioning.deprecated_in((1, 13, 0))
1375
% 'needs_format_conversion(format=None)')
1378
def open_repository(self):
1379
"""See BzrDir.open_repository."""
1380
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1381
return RepositoryFormat4().open(self, _found=True)
1384
class BzrDir5(BzrDirPreSplitOut):
1385
"""A .bzr version 5 control object.
1387
This is a deprecated format and may be removed after sept 2006.
1390
def open_repository(self):
1391
"""See BzrDir.open_repository."""
1392
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1393
return RepositoryFormat5().open(self, _found=True)
1395
def open_workingtree(self, _unsupported=False,
1396
recommend_upgrade=True):
1397
"""See BzrDir.create_workingtree."""
1398
from bzrlib.workingtree import WorkingTreeFormat2
1399
wt_format = WorkingTreeFormat2()
1400
# we don't warn here about upgrades; that ought to be handled for the
1402
return wt_format.open(self, _found=True)
1405
class BzrDir6(BzrDirPreSplitOut):
1406
"""A .bzr version 6 control object.
1408
This is a deprecated format and may be removed after sept 2006.
1411
def open_repository(self):
1412
"""See BzrDir.open_repository."""
1413
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1414
return RepositoryFormat6().open(self, _found=True)
1416
def open_workingtree(self, _unsupported=False,
1417
recommend_upgrade=True):
1418
"""See BzrDir.create_workingtree."""
1419
# we don't warn here about upgrades; that ought to be handled for the
1421
from bzrlib.workingtree import WorkingTreeFormat2
1422
return WorkingTreeFormat2().open(self, _found=True)
1425
class BzrDirMeta1(BzrDir):
1426
"""A .bzr meta version 1 control object.
1428
This is the first control object where the
1429
individual aspects are really split out: there are separate repository,
1430
workingtree and branch subdirectories and any subset of the three can be
1431
present within a BzrDir.
1434
def can_convert_format(self):
1435
"""See BzrDir.can_convert_format()."""
1438
def create_branch(self):
1439
"""See BzrDir.create_branch."""
1440
return self._format.get_branch_format().initialize(self)
1442
def destroy_branch(self):
1443
"""See BzrDir.create_branch."""
1444
self.transport.delete_tree('branch')
1446
def create_repository(self, shared=False):
1447
"""See BzrDir.create_repository."""
1448
return self._format.repository_format.initialize(self, shared)
1450
def destroy_repository(self):
1451
"""See BzrDir.destroy_repository."""
1452
self.transport.delete_tree('repository')
1454
def create_workingtree(self, revision_id=None, from_branch=None,
1455
accelerator_tree=None, hardlink=False):
1456
"""See BzrDir.create_workingtree."""
1457
return self._format.workingtree_format.initialize(
1458
self, revision_id, from_branch=from_branch,
1459
accelerator_tree=accelerator_tree, hardlink=hardlink)
1461
def destroy_workingtree(self):
1462
"""See BzrDir.destroy_workingtree."""
1463
wt = self.open_workingtree(recommend_upgrade=False)
1464
repository = wt.branch.repository
1465
empty = repository.revision_tree(_mod_revision.NULL_REVISION)
1466
wt.revert(old_tree=empty)
1467
self.destroy_workingtree_metadata()
1469
def destroy_workingtree_metadata(self):
1470
self.transport.delete_tree('checkout')
1472
def find_branch_format(self):
1473
"""Find the branch 'format' for this bzrdir.
1475
This might be a synthetic object for e.g. RemoteBranch and SVN.
1477
from bzrlib.branch import BranchFormat
1478
return BranchFormat.find_format(self)
1480
def _get_mkdir_mode(self):
1481
"""Figure out the mode to use when creating a bzrdir subdir."""
1482
temp_control = lockable_files.LockableFiles(self.transport, '',
1483
lockable_files.TransportLock)
1484
return temp_control._dir_mode
1486
def get_branch_reference(self):
1487
"""See BzrDir.get_branch_reference()."""
1488
from bzrlib.branch import BranchFormat
1489
format = BranchFormat.find_format(self)
1490
return format.get_reference(self)
1492
def get_branch_transport(self, branch_format):
1493
"""See BzrDir.get_branch_transport()."""
1494
if branch_format is None:
1495
return self.transport.clone('branch')
1497
branch_format.get_format_string()
1498
except NotImplementedError:
1499
raise errors.IncompatibleFormat(branch_format, self._format)
1501
self.transport.mkdir('branch', mode=self._get_mkdir_mode())
1502
except errors.FileExists:
1504
return self.transport.clone('branch')
1506
def get_repository_transport(self, repository_format):
1507
"""See BzrDir.get_repository_transport()."""
1508
if repository_format is None:
1509
return self.transport.clone('repository')
1511
repository_format.get_format_string()
1512
except NotImplementedError:
1513
raise errors.IncompatibleFormat(repository_format, self._format)
1515
self.transport.mkdir('repository', mode=self._get_mkdir_mode())
1516
except errors.FileExists:
1518
return self.transport.clone('repository')
1520
def get_workingtree_transport(self, workingtree_format):
1521
"""See BzrDir.get_workingtree_transport()."""
1522
if workingtree_format is None:
1523
return self.transport.clone('checkout')
1525
workingtree_format.get_format_string()
1526
except NotImplementedError:
1527
raise errors.IncompatibleFormat(workingtree_format, self._format)
1529
self.transport.mkdir('checkout', mode=self._get_mkdir_mode())
1530
except errors.FileExists:
1532
return self.transport.clone('checkout')
1534
def needs_format_conversion(self, format=None):
1535
"""See BzrDir.needs_format_conversion()."""
1537
symbol_versioning.warn(symbol_versioning.deprecated_in((1, 13, 0))
1538
% 'needs_format_conversion(format=None)')
1540
format = BzrDirFormat.get_default_format()
1541
if not isinstance(self._format, format.__class__):
1542
# it is not a meta dir format, conversion is needed.
1544
# we might want to push this down to the repository?
1546
if not isinstance(self.open_repository()._format,
1547
format.repository_format.__class__):
1548
# the repository needs an upgrade.
1550
except errors.NoRepositoryPresent:
1553
if not isinstance(self.open_branch()._format,
1554
format.get_branch_format().__class__):
1555
# the branch needs an upgrade.
1557
except errors.NotBranchError:
1560
my_wt = self.open_workingtree(recommend_upgrade=False)
1561
if not isinstance(my_wt._format,
1562
format.workingtree_format.__class__):
1563
# the workingtree needs an upgrade.
1565
except (errors.NoWorkingTree, errors.NotLocalUrl):
1569
def open_branch(self, unsupported=False):
1570
"""See BzrDir.open_branch."""
1571
format = self.find_branch_format()
1572
self._check_supported(format, unsupported)
1573
return format.open(self, _found=True)
1575
def open_repository(self, unsupported=False):
1576
"""See BzrDir.open_repository."""
1577
from bzrlib.repository import RepositoryFormat
1578
format = RepositoryFormat.find_format(self)
1579
self._check_supported(format, unsupported)
1580
return format.open(self, _found=True)
1582
def open_workingtree(self, unsupported=False,
1583
recommend_upgrade=True):
1584
"""See BzrDir.open_workingtree."""
1585
from bzrlib.workingtree import WorkingTreeFormat
1586
format = WorkingTreeFormat.find_format(self)
1587
self._check_supported(format, unsupported,
1589
basedir=self.root_transport.base)
1590
return format.open(self, _found=True)
1592
def _get_config(self):
1593
return config.BzrDirConfig(self.transport)
1596
class BzrDirFormat(object):
1597
"""An encapsulation of the initialization and open routines for a format.
1599
Formats provide three things:
1600
* An initialization routine,
1604
Formats are placed in a dict by their format string for reference
1605
during bzrdir opening. These should be subclasses of BzrDirFormat
1608
Once a format is deprecated, just deprecate the initialize and open
1609
methods on the format class. Do not deprecate the object, as the
1610
object will be created every system load.
1613
_default_format = None
1614
"""The default format used for new .bzr dirs."""
1617
"""The known formats."""
1619
_control_formats = []
1620
"""The registered control formats - .bzr, ....
1622
This is a list of BzrDirFormat objects.
1625
_control_server_formats = []
1626
"""The registered control server formats, e.g. RemoteBzrDirs.
1628
This is a list of BzrDirFormat objects.
1631
_lock_file_name = 'branch-lock'
1633
# _lock_class must be set in subclasses to the lock type, typ.
1634
# TransportLock or LockDir
1637
def find_format(klass, transport, _server_formats=True):
1638
"""Return the format present at transport."""
1640
formats = klass._control_server_formats + klass._control_formats
1642
formats = klass._control_formats
1643
for format in formats:
1645
return format.probe_transport(transport)
1646
except errors.NotBranchError:
1647
# this format does not find a control dir here.
1649
raise errors.NotBranchError(path=transport.base)
1652
def probe_transport(klass, transport):
1653
"""Return the .bzrdir style format present in a directory."""
1655
format_string = transport.get(".bzr/branch-format").read()
1656
except errors.NoSuchFile:
1657
raise errors.NotBranchError(path=transport.base)
1660
return klass._formats[format_string]
1662
raise errors.UnknownFormatError(format=format_string, kind='bzrdir')
1665
def get_default_format(klass):
1666
"""Return the current default format."""
1667
return klass._default_format
1669
def get_format_string(self):
1670
"""Return the ASCII format string that identifies this format."""
1671
raise NotImplementedError(self.get_format_string)
1673
def get_format_description(self):
1674
"""Return the short description for this format."""
1675
raise NotImplementedError(self.get_format_description)
1677
def get_converter(self, format=None):
1678
"""Return the converter to use to convert bzrdirs needing converts.
1680
This returns a bzrlib.bzrdir.Converter object.
1682
This should return the best upgrader to step this format towards the
1683
current default format. In the case of plugins we can/should provide
1684
some means for them to extend the range of returnable converters.
1686
:param format: Optional format to override the default format of the
1689
raise NotImplementedError(self.get_converter)
1691
def initialize(self, url, possible_transports=None):
1692
"""Create a bzr control dir at this url and return an opened copy.
1694
Subclasses should typically override initialize_on_transport
1695
instead of this method.
1697
return self.initialize_on_transport(get_transport(url,
1698
possible_transports))
1700
def initialize_on_transport(self, transport):
1701
"""Initialize a new bzrdir in the base directory of a Transport."""
1702
# Since we don't have a .bzr directory, inherit the
1703
# mode from the root directory
1704
temp_control = lockable_files.LockableFiles(transport,
1705
'', lockable_files.TransportLock)
1706
temp_control._transport.mkdir('.bzr',
1707
# FIXME: RBC 20060121 don't peek under
1709
mode=temp_control._dir_mode)
1710
if sys.platform == 'win32' and isinstance(transport, local.LocalTransport):
1711
win32utils.set_file_attr_hidden(transport._abspath('.bzr'))
1712
file_mode = temp_control._file_mode
1714
bzrdir_transport = transport.clone('.bzr')
1715
utf8_files = [('README',
1716
"This is a Bazaar control directory.\n"
1717
"Do not change any files in this directory.\n"
1718
"See http://bazaar-vcs.org/ for more information about Bazaar.\n"),
1719
('branch-format', self.get_format_string()),
1721
# NB: no need to escape relative paths that are url safe.
1722
control_files = lockable_files.LockableFiles(bzrdir_transport,
1723
self._lock_file_name, self._lock_class)
1724
control_files.create_lock()
1725
control_files.lock_write()
1727
for (filename, content) in utf8_files:
1728
bzrdir_transport.put_bytes(filename, content,
1731
control_files.unlock()
1732
return self.open(transport, _found=True)
1734
def is_supported(self):
1735
"""Is this format supported?
1737
Supported formats must be initializable and openable.
1738
Unsupported formats may not support initialization or committing or
1739
some other features depending on the reason for not being supported.
1743
def same_model(self, target_format):
1744
return (self.repository_format.rich_root_data ==
1745
target_format.rich_root_data)
1748
def known_formats(klass):
1749
"""Return all the known formats.
1751
Concrete formats should override _known_formats.
1753
# There is double indirection here to make sure that control
1754
# formats used by more than one dir format will only be probed
1755
# once. This can otherwise be quite expensive for remote connections.
1757
for format in klass._control_formats:
1758
result.update(format._known_formats())
1762
def _known_formats(klass):
1763
"""Return the known format instances for this control format."""
1764
return set(klass._formats.values())
1766
def open(self, transport, _found=False):
1767
"""Return an instance of this format for the dir transport points at.
1769
_found is a private parameter, do not use it.
1772
found_format = BzrDirFormat.find_format(transport)
1773
if not isinstance(found_format, self.__class__):
1774
raise AssertionError("%s was asked to open %s, but it seems to need "
1776
% (self, transport, found_format))
1777
return self._open(transport)
1779
def _open(self, transport):
1780
"""Template method helper for opening BzrDirectories.
1782
This performs the actual open and any additional logic or parameter
1785
raise NotImplementedError(self._open)
1788
def register_format(klass, format):
1789
klass._formats[format.get_format_string()] = format
1792
def register_control_format(klass, format):
1793
"""Register a format that does not use '.bzr' for its control dir.
1795
TODO: This should be pulled up into a 'ControlDirFormat' base class
1796
which BzrDirFormat can inherit from, and renamed to register_format
1797
there. It has been done without that for now for simplicity of
1800
klass._control_formats.append(format)
1803
def register_control_server_format(klass, format):
1804
"""Register a control format for client-server environments.
1806
These formats will be tried before ones registered with
1807
register_control_format. This gives implementations that decide to the
1808
chance to grab it before anything looks at the contents of the format
1811
klass._control_server_formats.append(format)
1814
def _set_default_format(klass, format):
1815
"""Set default format (for testing behavior of defaults only)"""
1816
klass._default_format = format
1820
return self.get_format_string().rstrip()
1823
def unregister_format(klass, format):
1824
del klass._formats[format.get_format_string()]
1827
def unregister_control_format(klass, format):
1828
klass._control_formats.remove(format)
1831
class BzrDirFormat4(BzrDirFormat):
1832
"""Bzr dir format 4.
1834
This format is a combined format for working tree, branch and repository.
1836
- Format 1 working trees [always]
1837
- Format 4 branches [always]
1838
- Format 4 repositories [always]
1840
This format is deprecated: it indexes texts using a text it which is
1841
removed in format 5; write support for this format has been removed.
1844
_lock_class = lockable_files.TransportLock
1846
def get_format_string(self):
1847
"""See BzrDirFormat.get_format_string()."""
1848
return "Bazaar-NG branch, format 0.0.4\n"
1850
def get_format_description(self):
1851
"""See BzrDirFormat.get_format_description()."""
1852
return "All-in-one format 4"
1854
def get_converter(self, format=None):
1855
"""See BzrDirFormat.get_converter()."""
1856
# there is one and only one upgrade path here.
1857
return ConvertBzrDir4To5()
1859
def initialize_on_transport(self, transport):
1860
"""Format 4 branches cannot be created."""
1861
raise errors.UninitializableFormat(self)
1863
def is_supported(self):
1864
"""Format 4 is not supported.
1866
It is not supported because the model changed from 4 to 5 and the
1867
conversion logic is expensive - so doing it on the fly was not
1872
def _open(self, transport):
1873
"""See BzrDirFormat._open."""
1874
return BzrDir4(transport, self)
1876
def __return_repository_format(self):
1877
"""Circular import protection."""
1878
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1879
return RepositoryFormat4()
1880
repository_format = property(__return_repository_format)
1883
class BzrDirFormat5(BzrDirFormat):
1884
"""Bzr control format 5.
1886
This format is a combined format for working tree, branch and repository.
1888
- Format 2 working trees [always]
1889
- Format 4 branches [always]
1890
- Format 5 repositories [always]
1891
Unhashed stores in the repository.
1894
_lock_class = lockable_files.TransportLock
1896
def get_format_string(self):
1897
"""See BzrDirFormat.get_format_string()."""
1898
return "Bazaar-NG branch, format 5\n"
1900
def get_branch_format(self):
1901
from bzrlib import branch
1902
return branch.BzrBranchFormat4()
1904
def get_format_description(self):
1905
"""See BzrDirFormat.get_format_description()."""
1906
return "All-in-one format 5"
1908
def get_converter(self, format=None):
1909
"""See BzrDirFormat.get_converter()."""
1910
# there is one and only one upgrade path here.
1911
return ConvertBzrDir5To6()
1913
def _initialize_for_clone(self, url):
1914
return self.initialize_on_transport(get_transport(url), _cloning=True)
1916
def initialize_on_transport(self, transport, _cloning=False):
1917
"""Format 5 dirs always have working tree, branch and repository.
1919
Except when they are being cloned.
1921
from bzrlib.branch import BzrBranchFormat4
1922
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1923
result = (super(BzrDirFormat5, self).initialize_on_transport(transport))
1924
RepositoryFormat5().initialize(result, _internal=True)
1926
branch = BzrBranchFormat4().initialize(result)
1927
result._init_workingtree()
1930
def _open(self, transport):
1931
"""See BzrDirFormat._open."""
1932
return BzrDir5(transport, self)
1934
def __return_repository_format(self):
1935
"""Circular import protection."""
1936
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1937
return RepositoryFormat5()
1938
repository_format = property(__return_repository_format)
1941
class BzrDirFormat6(BzrDirFormat):
1942
"""Bzr control format 6.
1944
This format is a combined format for working tree, branch and repository.
1946
- Format 2 working trees [always]
1947
- Format 4 branches [always]
1948
- Format 6 repositories [always]
1951
_lock_class = lockable_files.TransportLock
1953
def get_format_string(self):
1954
"""See BzrDirFormat.get_format_string()."""
1955
return "Bazaar-NG branch, format 6\n"
1957
def get_format_description(self):
1958
"""See BzrDirFormat.get_format_description()."""
1959
return "All-in-one format 6"
1961
def get_branch_format(self):
1962
from bzrlib import branch
1963
return branch.BzrBranchFormat4()
1965
def get_converter(self, format=None):
1966
"""See BzrDirFormat.get_converter()."""
1967
# there is one and only one upgrade path here.
1968
return ConvertBzrDir6ToMeta()
1970
def _initialize_for_clone(self, url):
1971
return self.initialize_on_transport(get_transport(url), _cloning=True)
1973
def initialize_on_transport(self, transport, _cloning=False):
1974
"""Format 6 dirs always have working tree, branch and repository.
1976
Except when they are being cloned.
1978
from bzrlib.branch import BzrBranchFormat4
1979
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1980
result = super(BzrDirFormat6, self).initialize_on_transport(transport)
1981
RepositoryFormat6().initialize(result, _internal=True)
1983
branch = BzrBranchFormat4().initialize(result)
1984
result._init_workingtree()
1987
def _open(self, transport):
1988
"""See BzrDirFormat._open."""
1989
return BzrDir6(transport, self)
1991
def __return_repository_format(self):
1992
"""Circular import protection."""
1993
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1994
return RepositoryFormat6()
1995
repository_format = property(__return_repository_format)
1998
class BzrDirMetaFormat1(BzrDirFormat):
1999
"""Bzr meta control format 1
2001
This is the first format with split out working tree, branch and repository
2004
- Format 3 working trees [optional]
2005
- Format 5 branches [optional]
2006
- Format 7 repositories [optional]
2009
_lock_class = lockdir.LockDir
2012
self._workingtree_format = None
2013
self._branch_format = None
2015
def __eq__(self, other):
2016
if other.__class__ is not self.__class__:
2018
if other.repository_format != self.repository_format:
2020
if other.workingtree_format != self.workingtree_format:
2024
def __ne__(self, other):
2025
return not self == other
2027
def get_branch_format(self):
2028
if self._branch_format is None:
2029
from bzrlib.branch import BranchFormat
2030
self._branch_format = BranchFormat.get_default_format()
2031
return self._branch_format
2033
def set_branch_format(self, format):
2034
self._branch_format = format
2036
def require_stacking(self):
2037
if not self.get_branch_format().supports_stacking():
2038
# We need to make a stacked branch, but the default format for the
2039
# target doesn't support stacking. So force a branch that *can*
2041
from bzrlib.branch import BzrBranchFormat7
2042
self._branch_format = BzrBranchFormat7()
2043
mutter("using %r for stacking" % (self._branch_format,))
2044
from bzrlib.repofmt import pack_repo
2045
if self.repository_format.rich_root_data:
2046
bzrdir_format_name = '1.6.1-rich-root'
2047
repo_format = pack_repo.RepositoryFormatKnitPack5RichRoot()
2049
bzrdir_format_name = '1.6'
2050
repo_format = pack_repo.RepositoryFormatKnitPack5()
2051
note('Source format does not support stacking, using format:'
2053
bzrdir_format_name, repo_format.get_format_description())
2054
self.repository_format = repo_format
2056
def get_converter(self, format=None):
2057
"""See BzrDirFormat.get_converter()."""
2059
format = BzrDirFormat.get_default_format()
2060
if not isinstance(self, format.__class__):
2061
# converting away from metadir is not implemented
2062
raise NotImplementedError(self.get_converter)
2063
return ConvertMetaToMeta(format)
2065
def get_format_string(self):
2066
"""See BzrDirFormat.get_format_string()."""
2067
return "Bazaar-NG meta directory, format 1\n"
2069
def get_format_description(self):
2070
"""See BzrDirFormat.get_format_description()."""
2071
return "Meta directory format 1"
2073
def _open(self, transport):
2074
"""See BzrDirFormat._open."""
2075
return BzrDirMeta1(transport, self)
2077
def __return_repository_format(self):
2078
"""Circular import protection."""
2079
if getattr(self, '_repository_format', None):
2080
return self._repository_format
2081
from bzrlib.repository import RepositoryFormat
2082
return RepositoryFormat.get_default_format()
2084
def __set_repository_format(self, value):
2085
"""Allow changing the repository format for metadir formats."""
2086
self._repository_format = value
2088
repository_format = property(__return_repository_format, __set_repository_format)
2090
def __get_workingtree_format(self):
2091
if self._workingtree_format is None:
2092
from bzrlib.workingtree import WorkingTreeFormat
2093
self._workingtree_format = WorkingTreeFormat.get_default_format()
2094
return self._workingtree_format
2096
def __set_workingtree_format(self, wt_format):
2097
self._workingtree_format = wt_format
2099
workingtree_format = property(__get_workingtree_format,
2100
__set_workingtree_format)
2103
# Register bzr control format
2104
BzrDirFormat.register_control_format(BzrDirFormat)
2106
# Register bzr formats
2107
BzrDirFormat.register_format(BzrDirFormat4())
2108
BzrDirFormat.register_format(BzrDirFormat5())
2109
BzrDirFormat.register_format(BzrDirFormat6())
2110
__default_format = BzrDirMetaFormat1()
2111
BzrDirFormat.register_format(__default_format)
2112
BzrDirFormat._default_format = __default_format
2115
class Converter(object):
2116
"""Converts a disk format object from one format to another."""
2118
def convert(self, to_convert, pb):
2119
"""Perform the conversion of to_convert, giving feedback via pb.
2121
:param to_convert: The disk object to convert.
2122
:param pb: a progress bar to use for progress information.
2125
def step(self, message):
2126
"""Update the pb by a step."""
2128
self.pb.update(message, self.count, self.total)
2131
class ConvertBzrDir4To5(Converter):
2132
"""Converts format 4 bzr dirs to format 5."""
2135
super(ConvertBzrDir4To5, self).__init__()
2136
self.converted_revs = set()
2137
self.absent_revisions = set()
2141
def convert(self, to_convert, pb):
2142
"""See Converter.convert()."""
2143
self.bzrdir = to_convert
2145
self.pb.note('starting upgrade from format 4 to 5')
2146
if isinstance(self.bzrdir.transport, local.LocalTransport):
2147
self.bzrdir.get_workingtree_transport(None).delete('stat-cache')
2148
self._convert_to_weaves()
2149
return BzrDir.open(self.bzrdir.root_transport.base)
2151
def _convert_to_weaves(self):
2152
self.pb.note('note: upgrade may be faster if all store files are ungzipped first')
2155
stat = self.bzrdir.transport.stat('weaves')
2156
if not S_ISDIR(stat.st_mode):
2157
self.bzrdir.transport.delete('weaves')
2158
self.bzrdir.transport.mkdir('weaves')
2159
except errors.NoSuchFile:
2160
self.bzrdir.transport.mkdir('weaves')
2161
# deliberately not a WeaveFile as we want to build it up slowly.
2162
self.inv_weave = Weave('inventory')
2163
# holds in-memory weaves for all files
2164
self.text_weaves = {}
2165
self.bzrdir.transport.delete('branch-format')
2166
self.branch = self.bzrdir.open_branch()
2167
self._convert_working_inv()
2168
rev_history = self.branch.revision_history()
2169
# to_read is a stack holding the revisions we still need to process;
2170
# appending to it adds new highest-priority revisions
2171
self.known_revisions = set(rev_history)
2172
self.to_read = rev_history[-1:]
2174
rev_id = self.to_read.pop()
2175
if (rev_id not in self.revisions
2176
and rev_id not in self.absent_revisions):
2177
self._load_one_rev(rev_id)
2179
to_import = self._make_order()
2180
for i, rev_id in enumerate(to_import):
2181
self.pb.update('converting revision', i, len(to_import))
2182
self._convert_one_rev(rev_id)
2184
self._write_all_weaves()
2185
self._write_all_revs()
2186
self.pb.note('upgraded to weaves:')
2187
self.pb.note(' %6d revisions and inventories', len(self.revisions))
2188
self.pb.note(' %6d revisions not present', len(self.absent_revisions))
2189
self.pb.note(' %6d texts', self.text_count)
2190
self._cleanup_spare_files_after_format4()
2191
self.branch._transport.put_bytes(
2193
BzrDirFormat5().get_format_string(),
2194
mode=self.bzrdir._get_file_mode())
2196
def _cleanup_spare_files_after_format4(self):
2197
# FIXME working tree upgrade foo.
2198
for n in 'merged-patches', 'pending-merged-patches':
2200
## assert os.path.getsize(p) == 0
2201
self.bzrdir.transport.delete(n)
2202
except errors.NoSuchFile:
2204
self.bzrdir.transport.delete_tree('inventory-store')
2205
self.bzrdir.transport.delete_tree('text-store')
2207
def _convert_working_inv(self):
2208
inv = xml4.serializer_v4.read_inventory(
2209
self.branch._transport.get('inventory'))
2210
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv, working=True)
2211
self.branch._transport.put_bytes('inventory', new_inv_xml,
2212
mode=self.bzrdir._get_file_mode())
2214
def _write_all_weaves(self):
2215
controlweaves = WeaveStore(self.bzrdir.transport, prefixed=False)
2216
weave_transport = self.bzrdir.transport.clone('weaves')
2217
weaves = WeaveStore(weave_transport, prefixed=False)
2218
transaction = WriteTransaction()
2222
for file_id, file_weave in self.text_weaves.items():
2223
self.pb.update('writing weave', i, len(self.text_weaves))
2224
weaves._put_weave(file_id, file_weave, transaction)
2226
self.pb.update('inventory', 0, 1)
2227
controlweaves._put_weave('inventory', self.inv_weave, transaction)
2228
self.pb.update('inventory', 1, 1)
2232
def _write_all_revs(self):
2233
"""Write all revisions out in new form."""
2234
self.bzrdir.transport.delete_tree('revision-store')
2235
self.bzrdir.transport.mkdir('revision-store')
2236
revision_transport = self.bzrdir.transport.clone('revision-store')
2238
from bzrlib.xml5 import serializer_v5
2239
from bzrlib.repofmt.weaverepo import RevisionTextStore
2240
revision_store = RevisionTextStore(revision_transport,
2241
serializer_v5, False, versionedfile.PrefixMapper(),
2242
lambda:True, lambda:True)
2244
for i, rev_id in enumerate(self.converted_revs):
2245
self.pb.update('write revision', i, len(self.converted_revs))
2246
text = serializer_v5.write_revision_to_string(
2247
self.revisions[rev_id])
2249
revision_store.add_lines(key, None, osutils.split_lines(text))
2253
def _load_one_rev(self, rev_id):
2254
"""Load a revision object into memory.
2256
Any parents not either loaded or abandoned get queued to be
2258
self.pb.update('loading revision',
2259
len(self.revisions),
2260
len(self.known_revisions))
2261
if not self.branch.repository.has_revision(rev_id):
2263
self.pb.note('revision {%s} not present in branch; '
2264
'will be converted as a ghost',
2266
self.absent_revisions.add(rev_id)
2268
rev = self.branch.repository.get_revision(rev_id)
2269
for parent_id in rev.parent_ids:
2270
self.known_revisions.add(parent_id)
2271
self.to_read.append(parent_id)
2272
self.revisions[rev_id] = rev
2274
def _load_old_inventory(self, rev_id):
2275
old_inv_xml = self.branch.repository.inventory_store.get(rev_id).read()
2276
inv = xml4.serializer_v4.read_inventory_from_string(old_inv_xml)
2277
inv.revision_id = rev_id
2278
rev = self.revisions[rev_id]
2281
def _load_updated_inventory(self, rev_id):
2282
inv_xml = self.inv_weave.get_text(rev_id)
2283
inv = xml5.serializer_v5.read_inventory_from_string(inv_xml, rev_id)
2286
def _convert_one_rev(self, rev_id):
2287
"""Convert revision and all referenced objects to new format."""
2288
rev = self.revisions[rev_id]
2289
inv = self._load_old_inventory(rev_id)
2290
present_parents = [p for p in rev.parent_ids
2291
if p not in self.absent_revisions]
2292
self._convert_revision_contents(rev, inv, present_parents)
2293
self._store_new_inv(rev, inv, present_parents)
2294
self.converted_revs.add(rev_id)
2296
def _store_new_inv(self, rev, inv, present_parents):
2297
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
2298
new_inv_sha1 = sha_string(new_inv_xml)
2299
self.inv_weave.add_lines(rev.revision_id,
2301
new_inv_xml.splitlines(True))
2302
rev.inventory_sha1 = new_inv_sha1
2304
def _convert_revision_contents(self, rev, inv, present_parents):
2305
"""Convert all the files within a revision.
2307
Also upgrade the inventory to refer to the text revision ids."""
2308
rev_id = rev.revision_id
2309
mutter('converting texts of revision {%s}',
2311
parent_invs = map(self._load_updated_inventory, present_parents)
2312
entries = inv.iter_entries()
2314
for path, ie in entries:
2315
self._convert_file_version(rev, ie, parent_invs)
2317
def _convert_file_version(self, rev, ie, parent_invs):
2318
"""Convert one version of one file.
2320
The file needs to be added into the weave if it is a merge
2321
of >=2 parents or if it's changed from its parent.
2323
file_id = ie.file_id
2324
rev_id = rev.revision_id
2325
w = self.text_weaves.get(file_id)
2328
self.text_weaves[file_id] = w
2329
text_changed = False
2330
parent_candiate_entries = ie.parent_candidates(parent_invs)
2331
heads = graph.Graph(self).heads(parent_candiate_entries.keys())
2332
# XXX: Note that this is unordered - and this is tolerable because
2333
# the previous code was also unordered.
2334
previous_entries = dict((head, parent_candiate_entries[head]) for head
2336
self.snapshot_ie(previous_entries, ie, w, rev_id)
2339
@symbol_versioning.deprecated_method(symbol_versioning.one_one)
2340
def get_parents(self, revision_ids):
2341
for revision_id in revision_ids:
2342
yield self.revisions[revision_id].parent_ids
2344
def get_parent_map(self, revision_ids):
2345
"""See graph._StackedParentsProvider.get_parent_map"""
2346
return dict((revision_id, self.revisions[revision_id])
2347
for revision_id in revision_ids
2348
if revision_id in self.revisions)
2350
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
2351
# TODO: convert this logic, which is ~= snapshot to
2352
# a call to:. This needs the path figured out. rather than a work_tree
2353
# a v4 revision_tree can be given, or something that looks enough like
2354
# one to give the file content to the entry if it needs it.
2355
# and we need something that looks like a weave store for snapshot to
2357
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
2358
if len(previous_revisions) == 1:
2359
previous_ie = previous_revisions.values()[0]
2360
if ie._unchanged(previous_ie):
2361
ie.revision = previous_ie.revision
2364
text = self.branch.repository._text_store.get(ie.text_id)
2365
file_lines = text.readlines()
2366
w.add_lines(rev_id, previous_revisions, file_lines)
2367
self.text_count += 1
2369
w.add_lines(rev_id, previous_revisions, [])
2370
ie.revision = rev_id
2372
def _make_order(self):
2373
"""Return a suitable order for importing revisions.
2375
The order must be such that an revision is imported after all
2376
its (present) parents.
2378
todo = set(self.revisions.keys())
2379
done = self.absent_revisions.copy()
2382
# scan through looking for a revision whose parents
2384
for rev_id in sorted(list(todo)):
2385
rev = self.revisions[rev_id]
2386
parent_ids = set(rev.parent_ids)
2387
if parent_ids.issubset(done):
2388
# can take this one now
2389
order.append(rev_id)
2395
class ConvertBzrDir5To6(Converter):
2396
"""Converts format 5 bzr dirs to format 6."""
2398
def convert(self, to_convert, pb):
2399
"""See Converter.convert()."""
2400
self.bzrdir = to_convert
2402
self.pb.note('starting upgrade from format 5 to 6')
2403
self._convert_to_prefixed()
2404
return BzrDir.open(self.bzrdir.root_transport.base)
2406
def _convert_to_prefixed(self):
2407
from bzrlib.store import TransportStore
2408
self.bzrdir.transport.delete('branch-format')
2409
for store_name in ["weaves", "revision-store"]:
2410
self.pb.note("adding prefixes to %s" % store_name)
2411
store_transport = self.bzrdir.transport.clone(store_name)
2412
store = TransportStore(store_transport, prefixed=True)
2413
for urlfilename in store_transport.list_dir('.'):
2414
filename = urlutils.unescape(urlfilename)
2415
if (filename.endswith(".weave") or
2416
filename.endswith(".gz") or
2417
filename.endswith(".sig")):
2418
file_id, suffix = os.path.splitext(filename)
2422
new_name = store._mapper.map((file_id,)) + suffix
2423
# FIXME keep track of the dirs made RBC 20060121
2425
store_transport.move(filename, new_name)
2426
except errors.NoSuchFile: # catches missing dirs strangely enough
2427
store_transport.mkdir(osutils.dirname(new_name))
2428
store_transport.move(filename, new_name)
2429
self.bzrdir.transport.put_bytes(
2431
BzrDirFormat6().get_format_string(),
2432
mode=self.bzrdir._get_file_mode())
2435
class ConvertBzrDir6ToMeta(Converter):
2436
"""Converts format 6 bzr dirs to metadirs."""
2438
def convert(self, to_convert, pb):
2439
"""See Converter.convert()."""
2440
from bzrlib.repofmt.weaverepo import RepositoryFormat7
2441
from bzrlib.branch import BzrBranchFormat5
2442
self.bzrdir = to_convert
2445
self.total = 20 # the steps we know about
2446
self.garbage_inventories = []
2447
self.dir_mode = self.bzrdir._get_dir_mode()
2448
self.file_mode = self.bzrdir._get_file_mode()
2450
self.pb.note('starting upgrade from format 6 to metadir')
2451
self.bzrdir.transport.put_bytes(
2453
"Converting to format 6",
2454
mode=self.file_mode)
2455
# its faster to move specific files around than to open and use the apis...
2456
# first off, nuke ancestry.weave, it was never used.
2458
self.step('Removing ancestry.weave')
2459
self.bzrdir.transport.delete('ancestry.weave')
2460
except errors.NoSuchFile:
2462
# find out whats there
2463
self.step('Finding branch files')
2464
last_revision = self.bzrdir.open_branch().last_revision()
2465
bzrcontents = self.bzrdir.transport.list_dir('.')
2466
for name in bzrcontents:
2467
if name.startswith('basis-inventory.'):
2468
self.garbage_inventories.append(name)
2469
# create new directories for repository, working tree and branch
2470
repository_names = [('inventory.weave', True),
2471
('revision-store', True),
2473
self.step('Upgrading repository ')
2474
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
2475
self.make_lock('repository')
2476
# we hard code the formats here because we are converting into
2477
# the meta format. The meta format upgrader can take this to a
2478
# future format within each component.
2479
self.put_format('repository', RepositoryFormat7())
2480
for entry in repository_names:
2481
self.move_entry('repository', entry)
2483
self.step('Upgrading branch ')
2484
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
2485
self.make_lock('branch')
2486
self.put_format('branch', BzrBranchFormat5())
2487
branch_files = [('revision-history', True),
2488
('branch-name', True),
2490
for entry in branch_files:
2491
self.move_entry('branch', entry)
2493
checkout_files = [('pending-merges', True),
2494
('inventory', True),
2495
('stat-cache', False)]
2496
# If a mandatory checkout file is not present, the branch does not have
2497
# a functional checkout. Do not create a checkout in the converted
2499
for name, mandatory in checkout_files:
2500
if mandatory and name not in bzrcontents:
2501
has_checkout = False
2505
if not has_checkout:
2506
self.pb.note('No working tree.')
2507
# If some checkout files are there, we may as well get rid of them.
2508
for name, mandatory in checkout_files:
2509
if name in bzrcontents:
2510
self.bzrdir.transport.delete(name)
2512
from bzrlib.workingtree import WorkingTreeFormat3
2513
self.step('Upgrading working tree')
2514
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
2515
self.make_lock('checkout')
2517
'checkout', WorkingTreeFormat3())
2518
self.bzrdir.transport.delete_multi(
2519
self.garbage_inventories, self.pb)
2520
for entry in checkout_files:
2521
self.move_entry('checkout', entry)
2522
if last_revision is not None:
2523
self.bzrdir.transport.put_bytes(
2524
'checkout/last-revision', last_revision)
2525
self.bzrdir.transport.put_bytes(
2527
BzrDirMetaFormat1().get_format_string(),
2528
mode=self.file_mode)
2529
return BzrDir.open(self.bzrdir.root_transport.base)
2531
def make_lock(self, name):
2532
"""Make a lock for the new control dir name."""
2533
self.step('Make %s lock' % name)
2534
ld = lockdir.LockDir(self.bzrdir.transport,
2536
file_modebits=self.file_mode,
2537
dir_modebits=self.dir_mode)
2540
def move_entry(self, new_dir, entry):
2541
"""Move then entry name into new_dir."""
2543
mandatory = entry[1]
2544
self.step('Moving %s' % name)
2546
self.bzrdir.transport.move(name, '%s/%s' % (new_dir, name))
2547
except errors.NoSuchFile:
2551
def put_format(self, dirname, format):
2552
self.bzrdir.transport.put_bytes('%s/format' % dirname,
2553
format.get_format_string(),
2557
class ConvertMetaToMeta(Converter):
2558
"""Converts the components of metadirs."""
2560
def __init__(self, target_format):
2561
"""Create a metadir to metadir converter.
2563
:param target_format: The final metadir format that is desired.
2565
self.target_format = target_format
2567
def convert(self, to_convert, pb):
2568
"""See Converter.convert()."""
2569
self.bzrdir = to_convert
2573
self.step('checking repository format')
2575
repo = self.bzrdir.open_repository()
2576
except errors.NoRepositoryPresent:
2579
if not isinstance(repo._format, self.target_format.repository_format.__class__):
2580
from bzrlib.repository import CopyConverter
2581
self.pb.note('starting repository conversion')
2582
converter = CopyConverter(self.target_format.repository_format)
2583
converter.convert(repo, pb)
2585
branch = self.bzrdir.open_branch()
2586
except errors.NotBranchError:
2589
# TODO: conversions of Branch and Tree should be done by
2590
# InterXFormat lookups/some sort of registry.
2591
# Avoid circular imports
2592
from bzrlib import branch as _mod_branch
2593
old = branch._format.__class__
2594
new = self.target_format.get_branch_format().__class__
2596
if (old == _mod_branch.BzrBranchFormat5 and
2597
new in (_mod_branch.BzrBranchFormat6,
2598
_mod_branch.BzrBranchFormat7)):
2599
branch_converter = _mod_branch.Converter5to6()
2600
elif (old == _mod_branch.BzrBranchFormat6 and
2601
new == _mod_branch.BzrBranchFormat7):
2602
branch_converter = _mod_branch.Converter6to7()
2604
raise errors.BadConversionTarget("No converter", new)
2605
branch_converter.convert(branch)
2606
branch = self.bzrdir.open_branch()
2607
old = branch._format.__class__
2609
tree = self.bzrdir.open_workingtree(recommend_upgrade=False)
2610
except (errors.NoWorkingTree, errors.NotLocalUrl):
2613
# TODO: conversions of Branch and Tree should be done by
2614
# InterXFormat lookups
2615
if (isinstance(tree, workingtree.WorkingTree3) and
2616
not isinstance(tree, workingtree_4.DirStateWorkingTree) and
2617
isinstance(self.target_format.workingtree_format,
2618
workingtree_4.DirStateWorkingTreeFormat)):
2619
workingtree_4.Converter3to4().convert(tree)
2620
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
2621
not isinstance(tree, workingtree_4.WorkingTree5) and
2622
isinstance(self.target_format.workingtree_format,
2623
workingtree_4.WorkingTreeFormat5)):
2624
workingtree_4.Converter4to5().convert(tree)
2628
# This is not in remote.py because it's small, and needs to be registered.
2629
# Putting it in remote.py creates a circular import problem.
2630
# we can make it a lazy object if the control formats is turned into something
2632
class RemoteBzrDirFormat(BzrDirMetaFormat1):
2633
"""Format representing bzrdirs accessed via a smart server"""
2635
def get_format_description(self):
2636
return 'bzr remote bzrdir'
2639
def probe_transport(klass, transport):
2640
"""Return a RemoteBzrDirFormat object if it looks possible."""
2642
medium = transport.get_smart_medium()
2643
except (NotImplementedError, AttributeError,
2644
errors.TransportNotPossible, errors.NoSmartMedium,
2645
errors.SmartProtocolError):
2646
# no smart server, so not a branch for this format type.
2647
raise errors.NotBranchError(path=transport.base)
2649
# Decline to open it if the server doesn't support our required
2650
# version (3) so that the VFS-based transport will do it.
2651
if medium.should_probe():
2653
server_version = medium.protocol_version()
2654
except errors.SmartProtocolError:
2655
# Apparently there's no usable smart server there, even though
2656
# the medium supports the smart protocol.
2657
raise errors.NotBranchError(path=transport.base)
2658
if server_version != '2':
2659
raise errors.NotBranchError(path=transport.base)
2662
def initialize_on_transport(self, transport):
2664
# hand off the request to the smart server
2665
client_medium = transport.get_smart_medium()
2666
except errors.NoSmartMedium:
2667
# TODO: lookup the local format from a server hint.
2668
local_dir_format = BzrDirMetaFormat1()
2669
return local_dir_format.initialize_on_transport(transport)
2670
client = _SmartClient(client_medium)
2671
path = client.remote_path_from_transport(transport)
2672
response = client.call('BzrDirFormat.initialize', path)
2673
if response[0] != 'ok':
2674
raise errors.SmartProtocolError('unexpected response code %s' % (response,))
2675
return remote.RemoteBzrDir(transport)
2677
def _open(self, transport):
2678
return remote.RemoteBzrDir(transport)
2680
def __eq__(self, other):
2681
if not isinstance(other, RemoteBzrDirFormat):
2683
return self.get_format_description() == other.get_format_description()
2686
def repository_format(self):
2687
# Using a property to avoid early loading of remote
2688
return remote.RemoteRepositoryFormat()
2691
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
2694
class BzrDirFormatInfo(object):
2696
def __init__(self, native, deprecated, hidden, experimental):
2697
self.deprecated = deprecated
2698
self.native = native
2699
self.hidden = hidden
2700
self.experimental = experimental
2703
class BzrDirFormatRegistry(registry.Registry):
2704
"""Registry of user-selectable BzrDir subformats.
2706
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
2707
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
2711
"""Create a BzrDirFormatRegistry."""
2712
self._aliases = set()
2713
self._registration_order = list()
2714
super(BzrDirFormatRegistry, self).__init__()
2717
"""Return a set of the format names which are aliases."""
2718
return frozenset(self._aliases)
2720
def register_metadir(self, key,
2721
repository_format, help, native=True, deprecated=False,
2727
"""Register a metadir subformat.
2729
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2730
by the Repository format.
2732
:param repository_format: The fully-qualified repository format class
2734
:param branch_format: Fully-qualified branch format class name as
2736
:param tree_format: Fully-qualified tree format class name as
2739
# This should be expanded to support setting WorkingTree and Branch
2740
# formats, once BzrDirMetaFormat1 supports that.
2741
def _load(full_name):
2742
mod_name, factory_name = full_name.rsplit('.', 1)
2744
mod = __import__(mod_name, globals(), locals(),
2746
except ImportError, e:
2747
raise ImportError('failed to load %s: %s' % (full_name, e))
2749
factory = getattr(mod, factory_name)
2750
except AttributeError:
2751
raise AttributeError('no factory %s in module %r'
2756
bd = BzrDirMetaFormat1()
2757
if branch_format is not None:
2758
bd.set_branch_format(_load(branch_format))
2759
if tree_format is not None:
2760
bd.workingtree_format = _load(tree_format)
2761
if repository_format is not None:
2762
bd.repository_format = _load(repository_format)
2764
self.register(key, helper, help, native, deprecated, hidden,
2765
experimental, alias)
2767
def register(self, key, factory, help, native=True, deprecated=False,
2768
hidden=False, experimental=False, alias=False):
2769
"""Register a BzrDirFormat factory.
2771
The factory must be a callable that takes one parameter: the key.
2772
It must produce an instance of the BzrDirFormat when called.
2774
This function mainly exists to prevent the info object from being
2777
registry.Registry.register(self, key, factory, help,
2778
BzrDirFormatInfo(native, deprecated, hidden, experimental))
2780
self._aliases.add(key)
2781
self._registration_order.append(key)
2783
def register_lazy(self, key, module_name, member_name, help, native=True,
2784
deprecated=False, hidden=False, experimental=False, alias=False):
2785
registry.Registry.register_lazy(self, key, module_name, member_name,
2786
help, BzrDirFormatInfo(native, deprecated, hidden, experimental))
2788
self._aliases.add(key)
2789
self._registration_order.append(key)
2791
def set_default(self, key):
2792
"""Set the 'default' key to be a clone of the supplied key.
2794
This method must be called once and only once.
2796
registry.Registry.register(self, 'default', self.get(key),
2797
self.get_help(key), info=self.get_info(key))
2798
self._aliases.add('default')
2800
def set_default_repository(self, key):
2801
"""Set the FormatRegistry default and Repository default.
2803
This is a transitional method while Repository.set_default_format
2806
if 'default' in self:
2807
self.remove('default')
2808
self.set_default(key)
2809
format = self.get('default')()
2811
def make_bzrdir(self, key):
2812
return self.get(key)()
2814
def help_topic(self, topic):
2816
default_realkey = None
2817
default_help = self.get_help('default')
2819
for key in self._registration_order:
2820
if key == 'default':
2822
help = self.get_help(key)
2823
if help == default_help:
2824
default_realkey = key
2826
help_pairs.append((key, help))
2828
def wrapped(key, help, info):
2830
help = '(native) ' + help
2831
return ':%s:\n%s\n\n' % (key,
2832
textwrap.fill(help, initial_indent=' ',
2833
subsequent_indent=' '))
2834
if default_realkey is not None:
2835
output += wrapped(default_realkey, '(default) %s' % default_help,
2836
self.get_info('default'))
2837
deprecated_pairs = []
2838
experimental_pairs = []
2839
for key, help in help_pairs:
2840
info = self.get_info(key)
2843
elif info.deprecated:
2844
deprecated_pairs.append((key, help))
2845
elif info.experimental:
2846
experimental_pairs.append((key, help))
2848
output += wrapped(key, help, info)
2849
output += "\nSee ``bzr help formats`` for more about storage formats."
2851
if len(experimental_pairs) > 0:
2852
other_output += "Experimental formats are shown below.\n\n"
2853
for key, help in experimental_pairs:
2854
info = self.get_info(key)
2855
other_output += wrapped(key, help, info)
2858
"No experimental formats are available.\n\n"
2859
if len(deprecated_pairs) > 0:
2860
other_output += "\nDeprecated formats are shown below.\n\n"
2861
for key, help in deprecated_pairs:
2862
info = self.get_info(key)
2863
other_output += wrapped(key, help, info)
2866
"\nNo deprecated formats are available.\n\n"
2868
"\nSee ``bzr help formats`` for more about storage formats."
2870
if topic == 'other-formats':
2876
class RepositoryAcquisitionPolicy(object):
2877
"""Abstract base class for repository acquisition policies.
2879
A repository acquisition policy decides how a BzrDir acquires a repository
2880
for a branch that is being created. The most basic policy decision is
2881
whether to create a new repository or use an existing one.
2883
def __init__(self, stack_on, stack_on_pwd, require_stacking):
2886
:param stack_on: A location to stack on
2887
:param stack_on_pwd: If stack_on is relative, the location it is
2889
:param require_stacking: If True, it is a failure to not stack.
2891
self._stack_on = stack_on
2892
self._stack_on_pwd = stack_on_pwd
2893
self._require_stacking = require_stacking
2895
def configure_branch(self, branch):
2896
"""Apply any configuration data from this policy to the branch.
2898
Default implementation sets repository stacking.
2900
if self._stack_on is None:
2902
if self._stack_on_pwd is None:
2903
stack_on = self._stack_on
2906
stack_on = urlutils.rebase_url(self._stack_on,
2908
branch.bzrdir.root_transport.base)
2909
except errors.InvalidRebaseURLs:
2910
stack_on = self._get_full_stack_on()
2912
branch.set_stacked_on_url(stack_on)
2913
except errors.UnstackableBranchFormat:
2914
if self._require_stacking:
2917
def _get_full_stack_on(self):
2918
"""Get a fully-qualified URL for the stack_on location."""
2919
if self._stack_on is None:
2921
if self._stack_on_pwd is None:
2922
return self._stack_on
2924
return urlutils.join(self._stack_on_pwd, self._stack_on)
2926
def _add_fallback(self, repository, possible_transports=None):
2927
"""Add a fallback to the supplied repository, if stacking is set."""
2928
stack_on = self._get_full_stack_on()
2929
if stack_on is None:
2931
stacked_dir = BzrDir.open(stack_on,
2932
possible_transports=possible_transports)
2934
stacked_repo = stacked_dir.open_branch().repository
2935
except errors.NotBranchError:
2936
stacked_repo = stacked_dir.open_repository()
2938
repository.add_fallback_repository(stacked_repo)
2939
except errors.UnstackableRepositoryFormat:
2940
if self._require_stacking:
2943
self._require_stacking = True
2945
def acquire_repository(self, make_working_trees=None, shared=False):
2946
"""Acquire a repository for this bzrdir.
2948
Implementations may create a new repository or use a pre-exising
2950
:param make_working_trees: If creating a repository, set
2951
make_working_trees to this value (if non-None)
2952
:param shared: If creating a repository, make it shared if True
2953
:return: A repository
2955
raise NotImplemented(RepositoryAcquisitionPolicy.acquire_repository)
2958
class CreateRepository(RepositoryAcquisitionPolicy):
2959
"""A policy of creating a new repository"""
2961
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
2962
require_stacking=False):
2965
:param bzrdir: The bzrdir to create the repository on.
2966
:param stack_on: A location to stack on
2967
:param stack_on_pwd: If stack_on is relative, the location it is
2970
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2972
self._bzrdir = bzrdir
2974
def acquire_repository(self, make_working_trees=None, shared=False):
2975
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2977
Creates the desired repository in the bzrdir we already have.
2979
repository = self._bzrdir.create_repository(shared=shared)
2980
self._add_fallback(repository,
2981
possible_transports=[self._bzrdir.transport])
2982
if make_working_trees is not None:
2983
repository.set_make_working_trees(make_working_trees)
2987
class UseExistingRepository(RepositoryAcquisitionPolicy):
2988
"""A policy of reusing an existing repository"""
2990
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
2991
require_stacking=False):
2994
:param repository: The repository to use.
2995
:param stack_on: A location to stack on
2996
:param stack_on_pwd: If stack_on is relative, the location it is
2999
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
3001
self._repository = repository
3003
def acquire_repository(self, make_working_trees=None, shared=False):
3004
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
3006
Returns an existing repository to use
3008
self._add_fallback(self._repository,
3009
possible_transports=[self._repository.bzrdir.transport])
3010
return self._repository
3013
# Please register new formats after old formats so that formats
3014
# appear in chronological order and format descriptions can build
3016
format_registry = BzrDirFormatRegistry()
3017
format_registry.register('weave', BzrDirFormat6,
3018
'Pre-0.8 format. Slower than knit and does not'
3019
' support checkouts or shared repositories.',
3021
format_registry.register_metadir('metaweave',
3022
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
3023
'Transitional format in 0.8. Slower than knit.',
3024
branch_format='bzrlib.branch.BzrBranchFormat5',
3025
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
3027
format_registry.register_metadir('knit',
3028
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
3029
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
3030
branch_format='bzrlib.branch.BzrBranchFormat5',
3031
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
3033
format_registry.register_metadir('dirstate',
3034
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
3035
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
3036
'above when accessed over the network.',
3037
branch_format='bzrlib.branch.BzrBranchFormat5',
3038
# this uses bzrlib.workingtree.WorkingTreeFormat4 because importing
3039
# directly from workingtree_4 triggers a circular import.
3040
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3042
format_registry.register_metadir('dirstate-tags',
3043
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
3044
help='New in 0.15: Fast local operations and improved scaling for '
3045
'network operations. Additionally adds support for tags.'
3046
' Incompatible with bzr < 0.15.',
3047
branch_format='bzrlib.branch.BzrBranchFormat6',
3048
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3050
format_registry.register_metadir('rich-root',
3051
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
3052
help='New in 1.0. Better handling of tree roots. Incompatible with'
3054
branch_format='bzrlib.branch.BzrBranchFormat6',
3055
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3057
format_registry.register_metadir('dirstate-with-subtree',
3058
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
3059
help='New in 0.15: Fast local operations and improved scaling for '
3060
'network operations. Additionally adds support for versioning nested '
3061
'bzr branches. Incompatible with bzr < 0.15.',
3062
branch_format='bzrlib.branch.BzrBranchFormat6',
3063
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3067
format_registry.register_metadir('pack-0.92',
3068
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack1',
3069
help='New in 0.92: Pack-based format with data compatible with '
3070
'dirstate-tags format repositories. Interoperates with '
3071
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3072
'Previously called knitpack-experimental. '
3073
'For more information, see '
3074
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3075
branch_format='bzrlib.branch.BzrBranchFormat6',
3076
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3078
format_registry.register_metadir('pack-0.92-subtree',
3079
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack3',
3080
help='New in 0.92: Pack-based format with data compatible with '
3081
'dirstate-with-subtree format repositories. Interoperates with '
3082
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3083
'Previously called knitpack-experimental. '
3084
'For more information, see '
3085
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3086
branch_format='bzrlib.branch.BzrBranchFormat6',
3087
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3091
format_registry.register_metadir('rich-root-pack',
3092
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack4',
3093
help='New in 1.0: A variant of pack-0.92 that supports rich-root data '
3094
'(needed for bzr-svn).',
3095
branch_format='bzrlib.branch.BzrBranchFormat6',
3096
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3098
format_registry.register_metadir('1.6',
3099
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5',
3100
help='A format that allows a branch to indicate that there is another '
3101
'(stacked) repository that should be used to access data that is '
3102
'not present locally.',
3103
branch_format='bzrlib.branch.BzrBranchFormat7',
3104
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3106
format_registry.register_metadir('1.6.1-rich-root',
3107
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5RichRoot',
3108
help='A variant of 1.6 that supports rich-root data '
3109
'(needed for bzr-svn).',
3110
branch_format='bzrlib.branch.BzrBranchFormat7',
3111
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3113
format_registry.register_metadir('1.9',
3114
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6',
3115
help='A repository format using B+tree indexes. These indexes '
3116
'are smaller in size, have smarter caching and provide faster '
3117
'performance for most operations.',
3118
branch_format='bzrlib.branch.BzrBranchFormat7',
3119
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3121
format_registry.register_metadir('1.9-rich-root',
3122
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6RichRoot',
3123
help='A variant of 1.9 that supports rich-root data '
3124
'(needed for bzr-svn).',
3125
branch_format='bzrlib.branch.BzrBranchFormat7',
3126
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3128
format_registry.register_metadir('1.12-preview',
3129
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6',
3130
help='A working-tree format that supports views and content filtering.',
3131
branch_format='bzrlib.branch.BzrBranchFormat7',
3132
tree_format='bzrlib.workingtree_4.WorkingTreeFormat5',
3135
format_registry.register_metadir('1.12-preview-rich-root',
3136
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6RichRoot',
3137
help='A variant of 1.12-preview that supports rich-root data '
3138
'(needed for bzr-svn).',
3139
branch_format='bzrlib.branch.BzrBranchFormat7',
3140
tree_format='bzrlib.workingtree_4.WorkingTreeFormat5',
3143
# The following two formats should always just be aliases.
3144
format_registry.register_metadir('development',
3145
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2',
3146
help='Current development format. Can convert data to and from pack-0.92 '
3147
'(and anything compatible with pack-0.92) format repositories. '
3148
'Repositories and branches in this format can only be read by bzr.dev. '
3150
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3152
branch_format='bzrlib.branch.BzrBranchFormat7',
3153
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3157
format_registry.register_metadir('development-subtree',
3158
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2Subtree',
3159
help='Current development format, subtree variant. Can convert data to and '
3160
'from pack-0.92-subtree (and anything compatible with '
3161
'pack-0.92-subtree) format repositories. Repositories and branches in '
3162
'this format can only be read by bzr.dev. Please read '
3163
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3165
branch_format='bzrlib.branch.BzrBranchFormat7',
3166
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3170
# And the development formats above will have aliased one of the following:
3171
format_registry.register_metadir('development2',
3172
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2',
3173
help='1.6.1 with B+Tree based index. '
3175
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3177
branch_format='bzrlib.branch.BzrBranchFormat7',
3178
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3182
format_registry.register_metadir('development2-subtree',
3183
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2Subtree',
3184
help='1.6.1-subtree with B+Tree based index. '
3186
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3188
branch_format='bzrlib.branch.BzrBranchFormat7',
3189
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3193
# The current format that is made on 'bzr init'.
3194
format_registry.set_default('pack-0.92')
added
removed
bzrlib/bzrdir.py
