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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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remote as remote_transport,
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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
766
# add new tests for it to the appropriate place.
767
return filename == '.bzr' or filename.startswith('.bzr/')
769
def needs_format_conversion(self, format=None):
770
"""Return true if this bzrdir needs convert_format run on it.
772
For instance, if the repository format is out of date but the
773
branch and working tree are not, this should return True.
775
:param format: Optional parameter indicating a specific desired
776
format we plan to arrive at.
778
raise NotImplementedError(self.needs_format_conversion)
781
def open_unsupported(base):
782
"""Open a branch which is not supported."""
783
return BzrDir.open(base, _unsupported=True)
786
def open(base, _unsupported=False, possible_transports=None):
787
"""Open an existing bzrdir, rooted at 'base' (url).
789
:param _unsupported: a private parameter to the BzrDir class.
791
t = get_transport(base, possible_transports=possible_transports)
792
return BzrDir.open_from_transport(t, _unsupported=_unsupported)
795
def open_from_transport(transport, _unsupported=False,
796
_server_formats=True):
797
"""Open a bzrdir within a particular directory.
799
:param transport: Transport containing the bzrdir.
800
:param _unsupported: private.
802
# Keep initial base since 'transport' may be modified while following
804
base = transport.base
805
def find_format(transport):
806
return transport, BzrDirFormat.find_format(
807
transport, _server_formats=_server_formats)
809
def redirected(transport, e, redirection_notice):
810
redirected_transport = transport._redirected_to(e.source, e.target)
811
if redirected_transport is None:
812
raise errors.NotBranchError(base)
813
note('%s is%s redirected to %s',
814
transport.base, e.permanently, redirected_transport.base)
815
return redirected_transport
818
transport, format = do_catching_redirections(find_format,
821
except errors.TooManyRedirections:
822
raise errors.NotBranchError(base)
824
BzrDir._check_supported(format, _unsupported)
825
return format.open(transport, _found=True)
827
def open_branch(self, unsupported=False):
828
"""Open the branch object at this BzrDir if one is present.
830
If unsupported is True, then no longer supported branch formats can
833
TODO: static convenience version of this?
835
raise NotImplementedError(self.open_branch)
838
def open_containing(url, possible_transports=None):
839
"""Open an existing branch which contains url.
841
:param url: url to search from.
842
See open_containing_from_transport for more detail.
844
transport = get_transport(url, possible_transports)
845
return BzrDir.open_containing_from_transport(transport)
848
def open_containing_from_transport(a_transport):
849
"""Open an existing branch which contains a_transport.base.
851
This probes for a branch at a_transport, and searches upwards from there.
853
Basically we keep looking up until we find the control directory or
854
run into the root. If there isn't one, raises NotBranchError.
855
If there is one and it is either an unrecognised format or an unsupported
856
format, UnknownFormatError or UnsupportedFormatError are raised.
857
If there is one, it is returned, along with the unused portion of url.
859
:return: The BzrDir that contains the path, and a Unicode path
860
for the rest of the URL.
862
# this gets the normalised url back. I.e. '.' -> the full path.
863
url = a_transport.base
866
result = BzrDir.open_from_transport(a_transport)
867
return result, urlutils.unescape(a_transport.relpath(url))
868
except errors.NotBranchError, e:
871
new_t = a_transport.clone('..')
872
except errors.InvalidURLJoin:
873
# reached the root, whatever that may be
874
raise errors.NotBranchError(path=url)
875
if new_t.base == a_transport.base:
876
# reached the root, whatever that may be
877
raise errors.NotBranchError(path=url)
880
def _get_tree_branch(self):
881
"""Return the branch and tree, if any, for this bzrdir.
883
Return None for tree if not present or inaccessible.
884
Raise NotBranchError if no branch is present.
885
:return: (tree, branch)
888
tree = self.open_workingtree()
889
except (errors.NoWorkingTree, errors.NotLocalUrl):
891
branch = self.open_branch()
897
def open_tree_or_branch(klass, location):
898
"""Return the branch and working tree at a location.
900
If there is no tree at the location, tree will be None.
901
If there is no branch at the location, an exception will be
903
:return: (tree, branch)
905
bzrdir = klass.open(location)
906
return bzrdir._get_tree_branch()
909
def open_containing_tree_or_branch(klass, location):
910
"""Return the branch and working tree contained by a location.
912
Returns (tree, branch, relpath).
913
If there is no tree at containing the location, tree will be None.
914
If there is no branch containing the location, an exception will be
916
relpath is the portion of the path that is contained by the branch.
918
bzrdir, relpath = klass.open_containing(location)
919
tree, branch = bzrdir._get_tree_branch()
920
return tree, branch, relpath
923
def open_containing_tree_branch_or_repository(klass, location):
924
"""Return the working tree, branch and repo contained by a location.
926
Returns (tree, branch, repository, relpath).
927
If there is no tree containing the location, tree will be None.
928
If there is no branch containing the location, branch will be None.
929
If there is no repository containing the location, repository will be
931
relpath is the portion of the path that is contained by the innermost
934
If no tree, branch or repository is found, a NotBranchError is raised.
936
bzrdir, relpath = klass.open_containing(location)
938
tree, branch = bzrdir._get_tree_branch()
939
except errors.NotBranchError:
941
repo = bzrdir.find_repository()
942
return None, None, repo, relpath
943
except (errors.NoRepositoryPresent):
944
raise errors.NotBranchError(location)
945
return tree, branch, branch.repository, relpath
947
def open_repository(self, _unsupported=False):
948
"""Open the repository object at this BzrDir if one is present.
950
This will not follow the Branch object pointer - it's strictly a direct
951
open facility. Most client code should use open_branch().repository to
954
:param _unsupported: a private parameter, not part of the api.
955
TODO: static convenience version of this?
957
raise NotImplementedError(self.open_repository)
959
def open_workingtree(self, _unsupported=False,
960
recommend_upgrade=True, from_branch=None):
961
"""Open the workingtree object at this BzrDir if one is present.
963
:param recommend_upgrade: Optional keyword parameter, when True (the
964
default), emit through the ui module a recommendation that the user
965
upgrade the working tree when the workingtree being opened is old
966
(but still fully supported).
967
:param from_branch: override bzrdir branch (for lightweight checkouts)
969
raise NotImplementedError(self.open_workingtree)
971
def has_branch(self):
972
"""Tell if this bzrdir contains a branch.
974
Note: if you're going to open the branch, you should just go ahead
975
and try, and not ask permission first. (This method just opens the
976
branch and discards it, and that's somewhat expensive.)
981
except errors.NotBranchError:
984
def has_workingtree(self):
985
"""Tell if this bzrdir contains a working tree.
987
This will still raise an exception if the bzrdir has a workingtree that
988
is remote & inaccessible.
990
Note: if you're going to open the working tree, you should just go ahead
991
and try, and not ask permission first. (This method just opens the
992
workingtree and discards it, and that's somewhat expensive.)
995
self.open_workingtree(recommend_upgrade=False)
997
except errors.NoWorkingTree:
1000
def _cloning_metadir(self):
1001
"""Produce a metadir suitable for cloning with.
1003
:returns: (destination_bzrdir_format, source_repository)
1005
result_format = self._format.__class__()
1008
branch = self.open_branch()
1009
source_repository = branch.repository
1010
result_format._branch_format = branch._format
1011
except errors.NotBranchError:
1012
source_branch = None
1013
source_repository = self.open_repository()
1014
except errors.NoRepositoryPresent:
1015
source_repository = None
1017
# XXX TODO: This isinstance is here because we have not implemented
1018
# the fix recommended in bug # 103195 - to delegate this choice the
1019
# repository itself.
1020
repo_format = source_repository._format
1021
if isinstance(repo_format, remote.RemoteRepositoryFormat):
1022
source_repository._ensure_real()
1023
repo_format = source_repository._real_repository._format
1024
result_format.repository_format = repo_format
1026
# TODO: Couldn't we just probe for the format in these cases,
1027
# rather than opening the whole tree? It would be a little
1028
# faster. mbp 20070401
1029
tree = self.open_workingtree(recommend_upgrade=False)
1030
except (errors.NoWorkingTree, errors.NotLocalUrl):
1031
result_format.workingtree_format = None
1033
result_format.workingtree_format = tree._format.__class__()
1034
return result_format, source_repository
1036
def cloning_metadir(self, require_stacking=False):
1037
"""Produce a metadir suitable for cloning or sprouting with.
1039
These operations may produce workingtrees (yes, even though they're
1040
"cloning" something that doesn't have a tree), so a viable workingtree
1041
format must be selected.
1043
:require_stacking: If True, non-stackable formats will be upgraded
1044
to similar stackable formats.
1045
:returns: a BzrDirFormat with all component formats either set
1046
appropriately or set to None if that component should not be
1049
format, repository = self._cloning_metadir()
1050
if format._workingtree_format is None:
1051
if repository is None:
1053
tree_format = repository._format._matchingbzrdir.workingtree_format
1054
format.workingtree_format = tree_format.__class__()
1055
if require_stacking:
1056
format.require_stacking()
1059
def checkout_metadir(self):
1060
return self.cloning_metadir()
1062
def sprout(self, url, revision_id=None, force_new_repo=False,
1063
recurse='down', possible_transports=None,
1064
accelerator_tree=None, hardlink=False, stacked=False,
1065
source_branch=None, create_tree_if_local=True):
1066
"""Create a copy of this bzrdir prepared for use as a new line of
1069
If url's last component does not exist, it will be created.
1071
Attributes related to the identity of the source branch like
1072
branch nickname will be cleaned, a working tree is created
1073
whether one existed before or not; and a local branch is always
1076
if revision_id is not None, then the clone operation may tune
1077
itself to download less data.
1078
:param accelerator_tree: A tree which can be used for retrieving file
1079
contents more quickly than the revision tree, i.e. a workingtree.
1080
The revision tree will be used for cases where accelerator_tree's
1081
content is different.
1082
:param hardlink: If true, hard-link files from accelerator_tree,
1084
:param stacked: If true, create a stacked branch referring to the
1085
location of this control directory.
1086
:param create_tree_if_local: If true, a working-tree will be created
1087
when working locally.
1089
target_transport = get_transport(url, possible_transports)
1090
target_transport.ensure_base()
1091
cloning_format = self.cloning_metadir(stacked)
1092
# Create/update the result branch
1093
result = cloning_format.initialize_on_transport(target_transport)
1094
# if a stacked branch wasn't requested, we don't create one
1095
# even if the origin was stacked
1096
stacked_branch_url = None
1097
if source_branch is not None:
1099
stacked_branch_url = self.root_transport.base
1100
source_repository = source_branch.repository
1103
source_branch = self.open_branch()
1104
source_repository = source_branch.repository
1106
stacked_branch_url = self.root_transport.base
1107
except errors.NotBranchError:
1108
source_branch = None
1110
source_repository = self.open_repository()
1111
except errors.NoRepositoryPresent:
1112
source_repository = None
1113
repository_policy = result.determine_repository_policy(
1114
force_new_repo, stacked_branch_url, require_stacking=stacked)
1115
result_repo = repository_policy.acquire_repository()
1116
if source_repository is not None:
1117
# Fetch while stacked to prevent unstacked fetch from
1119
result_repo.fetch(source_repository, revision_id=revision_id)
1121
if source_branch is None:
1122
# this is for sprouting a bzrdir without a branch; is that
1124
# Not especially, but it's part of the contract.
1125
result_branch = result.create_branch()
1127
# Force NULL revision to avoid using repository before stacking
1129
result_branch = source_branch.sprout(
1130
result, revision_id=_mod_revision.NULL_REVISION)
1131
parent_location = result_branch.get_parent()
1132
mutter("created new branch %r" % (result_branch,))
1133
repository_policy.configure_branch(result_branch)
1134
if source_branch is not None:
1135
source_branch.copy_content_into(result_branch, revision_id)
1136
# Override copy_content_into
1137
result_branch.set_parent(parent_location)
1139
# Create/update the result working tree
1140
if (create_tree_if_local and
1141
isinstance(target_transport, local.LocalTransport) and
1142
(result_repo is None or result_repo.make_working_trees())):
1143
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
1147
if wt.path2id('') is None:
1149
wt.set_root_id(self.open_workingtree.get_root_id())
1150
except errors.NoWorkingTree:
1156
if recurse == 'down':
1158
basis = wt.basis_tree()
1160
subtrees = basis.iter_references()
1161
elif result_branch is not None:
1162
basis = result_branch.basis_tree()
1164
subtrees = basis.iter_references()
1165
elif source_branch is not None:
1166
basis = source_branch.basis_tree()
1168
subtrees = basis.iter_references()
1173
for path, file_id in subtrees:
1174
target = urlutils.join(url, urlutils.escape(path))
1175
sublocation = source_branch.reference_parent(file_id, path)
1176
sublocation.bzrdir.sprout(target,
1177
basis.get_reference_revision(file_id, path),
1178
force_new_repo=force_new_repo, recurse=recurse,
1181
if basis is not None:
1186
class BzrDirPreSplitOut(BzrDir):
1187
"""A common class for the all-in-one formats."""
1189
def __init__(self, _transport, _format):
1190
"""See BzrDir.__init__."""
1191
super(BzrDirPreSplitOut, self).__init__(_transport, _format)
1192
self._control_files = lockable_files.LockableFiles(
1193
self.get_branch_transport(None),
1194
self._format._lock_file_name,
1195
self._format._lock_class)
1197
def break_lock(self):
1198
"""Pre-splitout bzrdirs do not suffer from stale locks."""
1199
raise NotImplementedError(self.break_lock)
1201
def cloning_metadir(self, require_stacking=False):
1202
"""Produce a metadir suitable for cloning with."""
1203
if require_stacking:
1204
return format_registry.make_bzrdir('1.6')
1205
return self._format.__class__()
1207
def clone(self, url, revision_id=None, force_new_repo=False,
1208
preserve_stacking=False):
1209
"""See BzrDir.clone().
1211
force_new_repo has no effect, since this family of formats always
1212
require a new repository.
1213
preserve_stacking has no effect, since no source branch using this
1214
family of formats can be stacked, so there is no stacking to preserve.
1216
self._make_tail(url)
1217
result = self._format._initialize_for_clone(url)
1218
self.open_repository().clone(result, revision_id=revision_id)
1219
from_branch = self.open_branch()
1220
from_branch.clone(result, revision_id=revision_id)
1222
tree = self.open_workingtree()
1223
except errors.NotLocalUrl:
1224
# make a new one, this format always has to have one.
1225
result._init_workingtree()
1230
def create_branch(self):
1231
"""See BzrDir.create_branch."""
1232
return self._format.get_branch_format().initialize(self)
1234
def destroy_branch(self):
1235
"""See BzrDir.destroy_branch."""
1236
raise errors.UnsupportedOperation(self.destroy_branch, self)
1238
def create_repository(self, shared=False):
1239
"""See BzrDir.create_repository."""
1241
raise errors.IncompatibleFormat('shared repository', self._format)
1242
return self.open_repository()
1244
def destroy_repository(self):
1245
"""See BzrDir.destroy_repository."""
1246
raise errors.UnsupportedOperation(self.destroy_repository, self)
1248
def create_workingtree(self, revision_id=None, from_branch=None,
1249
accelerator_tree=None, hardlink=False):
1250
"""See BzrDir.create_workingtree."""
1251
# The workingtree is sometimes created when the bzrdir is created,
1252
# but not when cloning.
1254
# this looks buggy but is not -really-
1255
# because this format creates the workingtree when the bzrdir is
1257
# clone and sprout will have set the revision_id
1258
# and that will have set it for us, its only
1259
# specific uses of create_workingtree in isolation
1260
# that can do wonky stuff here, and that only
1261
# happens for creating checkouts, which cannot be
1262
# done on this format anyway. So - acceptable wart.
1264
result = self.open_workingtree(recommend_upgrade=False)
1265
except errors.NoSuchFile:
1266
result = self._init_workingtree()
1267
if revision_id is not None:
1268
if revision_id == _mod_revision.NULL_REVISION:
1269
result.set_parent_ids([])
1271
result.set_parent_ids([revision_id])
1274
def _init_workingtree(self):
1275
from bzrlib.workingtree import WorkingTreeFormat2
1277
return WorkingTreeFormat2().initialize(self)
1278
except errors.NotLocalUrl:
1279
# Even though we can't access the working tree, we need to
1280
# create its control files.
1281
return WorkingTreeFormat2()._stub_initialize_on_transport(
1282
self.transport, self._control_files._file_mode)
1284
def destroy_workingtree(self):
1285
"""See BzrDir.destroy_workingtree."""
1286
raise errors.UnsupportedOperation(self.destroy_workingtree, self)
1288
def destroy_workingtree_metadata(self):
1289
"""See BzrDir.destroy_workingtree_metadata."""
1290
raise errors.UnsupportedOperation(self.destroy_workingtree_metadata,
1293
def get_branch_transport(self, branch_format):
1294
"""See BzrDir.get_branch_transport()."""
1295
if branch_format is None:
1296
return self.transport
1298
branch_format.get_format_string()
1299
except NotImplementedError:
1300
return self.transport
1301
raise errors.IncompatibleFormat(branch_format, self._format)
1303
def get_repository_transport(self, repository_format):
1304
"""See BzrDir.get_repository_transport()."""
1305
if repository_format is None:
1306
return self.transport
1308
repository_format.get_format_string()
1309
except NotImplementedError:
1310
return self.transport
1311
raise errors.IncompatibleFormat(repository_format, self._format)
1313
def get_workingtree_transport(self, workingtree_format):
1314
"""See BzrDir.get_workingtree_transport()."""
1315
if workingtree_format is None:
1316
return self.transport
1318
workingtree_format.get_format_string()
1319
except NotImplementedError:
1320
return self.transport
1321
raise errors.IncompatibleFormat(workingtree_format, self._format)
1323
def needs_format_conversion(self, format=None):
1324
"""See BzrDir.needs_format_conversion()."""
1325
# if the format is not the same as the system default,
1326
# an upgrade is needed.
1328
symbol_versioning.warn(symbol_versioning.deprecated_in((1, 13, 0))
1329
% 'needs_format_conversion(format=None)')
1330
format = BzrDirFormat.get_default_format()
1331
return not isinstance(self._format, format.__class__)
1333
def open_branch(self, unsupported=False):
1334
"""See BzrDir.open_branch."""
1335
from bzrlib.branch import BzrBranchFormat4
1336
format = BzrBranchFormat4()
1337
self._check_supported(format, unsupported)
1338
return format.open(self, _found=True)
1340
def sprout(self, url, revision_id=None, force_new_repo=False,
1341
possible_transports=None, accelerator_tree=None,
1342
hardlink=False, stacked=False, create_tree_if_local=True):
1343
"""See BzrDir.sprout()."""
1345
raise errors.UnstackableBranchFormat(
1346
self._format, self.root_transport.base)
1347
if not create_tree_if_local:
1348
raise errors.MustHaveWorkingTree(
1349
self._format, self.root_transport.base)
1350
from bzrlib.workingtree import WorkingTreeFormat2
1351
self._make_tail(url)
1352
result = self._format._initialize_for_clone(url)
1354
self.open_repository().clone(result, revision_id=revision_id)
1355
except errors.NoRepositoryPresent:
1358
self.open_branch().sprout(result, revision_id=revision_id)
1359
except errors.NotBranchError:
1362
# we always want a working tree
1363
WorkingTreeFormat2().initialize(result,
1364
accelerator_tree=accelerator_tree,
1369
class BzrDir4(BzrDirPreSplitOut):
1370
"""A .bzr version 4 control object.
1372
This is a deprecated format and may be removed after sept 2006.
1375
def create_repository(self, shared=False):
1376
"""See BzrDir.create_repository."""
1377
return self._format.repository_format.initialize(self, shared)
1379
def needs_format_conversion(self, format=None):
1380
"""Format 4 dirs are always in need of conversion."""
1382
symbol_versioning.warn(symbol_versioning.deprecated_in((1, 13, 0))
1383
% 'needs_format_conversion(format=None)')
1386
def open_repository(self):
1387
"""See BzrDir.open_repository."""
1388
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1389
return RepositoryFormat4().open(self, _found=True)
1392
class BzrDir5(BzrDirPreSplitOut):
1393
"""A .bzr version 5 control object.
1395
This is a deprecated format and may be removed after sept 2006.
1398
def open_repository(self):
1399
"""See BzrDir.open_repository."""
1400
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1401
return RepositoryFormat5().open(self, _found=True)
1403
def open_workingtree(self, _unsupported=False,
1404
recommend_upgrade=True):
1405
"""See BzrDir.create_workingtree."""
1406
from bzrlib.workingtree import WorkingTreeFormat2
1407
wt_format = WorkingTreeFormat2()
1408
# we don't warn here about upgrades; that ought to be handled for the
1410
return wt_format.open(self, _found=True)
1413
class BzrDir6(BzrDirPreSplitOut):
1414
"""A .bzr version 6 control object.
1416
This is a deprecated format and may be removed after sept 2006.
1419
def open_repository(self):
1420
"""See BzrDir.open_repository."""
1421
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1422
return RepositoryFormat6().open(self, _found=True)
1424
def open_workingtree(self, _unsupported=False,
1425
recommend_upgrade=True):
1426
"""See BzrDir.create_workingtree."""
1427
# we don't warn here about upgrades; that ought to be handled for the
1429
from bzrlib.workingtree import WorkingTreeFormat2
1430
return WorkingTreeFormat2().open(self, _found=True)
1433
class BzrDirMeta1(BzrDir):
1434
"""A .bzr meta version 1 control object.
1436
This is the first control object where the
1437
individual aspects are really split out: there are separate repository,
1438
workingtree and branch subdirectories and any subset of the three can be
1439
present within a BzrDir.
1442
def can_convert_format(self):
1443
"""See BzrDir.can_convert_format()."""
1446
def create_branch(self):
1447
"""See BzrDir.create_branch."""
1448
return self._format.get_branch_format().initialize(self)
1450
def destroy_branch(self):
1451
"""See BzrDir.create_branch."""
1452
self.transport.delete_tree('branch')
1454
def create_repository(self, shared=False):
1455
"""See BzrDir.create_repository."""
1456
return self._format.repository_format.initialize(self, shared)
1458
def destroy_repository(self):
1459
"""See BzrDir.destroy_repository."""
1460
self.transport.delete_tree('repository')
1462
def create_workingtree(self, revision_id=None, from_branch=None,
1463
accelerator_tree=None, hardlink=False):
1464
"""See BzrDir.create_workingtree."""
1465
return self._format.workingtree_format.initialize(
1466
self, revision_id, from_branch=from_branch,
1467
accelerator_tree=accelerator_tree, hardlink=hardlink)
1469
def destroy_workingtree(self):
1470
"""See BzrDir.destroy_workingtree."""
1471
wt = self.open_workingtree(recommend_upgrade=False)
1472
repository = wt.branch.repository
1473
empty = repository.revision_tree(_mod_revision.NULL_REVISION)
1474
wt.revert(old_tree=empty)
1475
self.destroy_workingtree_metadata()
1477
def destroy_workingtree_metadata(self):
1478
self.transport.delete_tree('checkout')
1480
def find_branch_format(self):
1481
"""Find the branch 'format' for this bzrdir.
1483
This might be a synthetic object for e.g. RemoteBranch and SVN.
1485
from bzrlib.branch import BranchFormat
1486
return BranchFormat.find_format(self)
1488
def _get_mkdir_mode(self):
1489
"""Figure out the mode to use when creating a bzrdir subdir."""
1490
temp_control = lockable_files.LockableFiles(self.transport, '',
1491
lockable_files.TransportLock)
1492
return temp_control._dir_mode
1494
def get_branch_reference(self):
1495
"""See BzrDir.get_branch_reference()."""
1496
from bzrlib.branch import BranchFormat
1497
format = BranchFormat.find_format(self)
1498
return format.get_reference(self)
1500
def get_branch_transport(self, branch_format):
1501
"""See BzrDir.get_branch_transport()."""
1502
if branch_format is None:
1503
return self.transport.clone('branch')
1505
branch_format.get_format_string()
1506
except NotImplementedError:
1507
raise errors.IncompatibleFormat(branch_format, self._format)
1509
self.transport.mkdir('branch', mode=self._get_mkdir_mode())
1510
except errors.FileExists:
1512
return self.transport.clone('branch')
1514
def get_repository_transport(self, repository_format):
1515
"""See BzrDir.get_repository_transport()."""
1516
if repository_format is None:
1517
return self.transport.clone('repository')
1519
repository_format.get_format_string()
1520
except NotImplementedError:
1521
raise errors.IncompatibleFormat(repository_format, self._format)
1523
self.transport.mkdir('repository', mode=self._get_mkdir_mode())
1524
except errors.FileExists:
1526
return self.transport.clone('repository')
1528
def get_workingtree_transport(self, workingtree_format):
1529
"""See BzrDir.get_workingtree_transport()."""
1530
if workingtree_format is None:
1531
return self.transport.clone('checkout')
1533
workingtree_format.get_format_string()
1534
except NotImplementedError:
1535
raise errors.IncompatibleFormat(workingtree_format, self._format)
1537
self.transport.mkdir('checkout', mode=self._get_mkdir_mode())
1538
except errors.FileExists:
1540
return self.transport.clone('checkout')
1542
def needs_format_conversion(self, format=None):
1543
"""See BzrDir.needs_format_conversion()."""
1545
symbol_versioning.warn(symbol_versioning.deprecated_in((1, 13, 0))
1546
% 'needs_format_conversion(format=None)')
1548
format = BzrDirFormat.get_default_format()
1549
if not isinstance(self._format, format.__class__):
1550
# it is not a meta dir format, conversion is needed.
1552
# we might want to push this down to the repository?
1554
if not isinstance(self.open_repository()._format,
1555
format.repository_format.__class__):
1556
# the repository needs an upgrade.
1558
except errors.NoRepositoryPresent:
1561
if not isinstance(self.open_branch()._format,
1562
format.get_branch_format().__class__):
1563
# the branch needs an upgrade.
1565
except errors.NotBranchError:
1568
my_wt = self.open_workingtree(recommend_upgrade=False)
1569
if not isinstance(my_wt._format,
1570
format.workingtree_format.__class__):
1571
# the workingtree needs an upgrade.
1573
except (errors.NoWorkingTree, errors.NotLocalUrl):
1577
def open_branch(self, unsupported=False):
1578
"""See BzrDir.open_branch."""
1579
format = self.find_branch_format()
1580
self._check_supported(format, unsupported)
1581
return format.open(self, _found=True)
1583
def open_repository(self, unsupported=False):
1584
"""See BzrDir.open_repository."""
1585
from bzrlib.repository import RepositoryFormat
1586
format = RepositoryFormat.find_format(self)
1587
self._check_supported(format, unsupported)
1588
return format.open(self, _found=True)
1590
def open_workingtree(self, unsupported=False,
1591
recommend_upgrade=True):
1592
"""See BzrDir.open_workingtree."""
1593
from bzrlib.workingtree import WorkingTreeFormat
1594
format = WorkingTreeFormat.find_format(self)
1595
self._check_supported(format, unsupported,
1597
basedir=self.root_transport.base)
1598
return format.open(self, _found=True)
1600
def _get_config(self):
1601
return config.BzrDirConfig(self.transport)
1604
class BzrDirFormat(object):
1605
"""An encapsulation of the initialization and open routines for a format.
1607
Formats provide three things:
1608
* An initialization routine,
1612
Formats are placed in a dict by their format string for reference
1613
during bzrdir opening. These should be subclasses of BzrDirFormat
1616
Once a format is deprecated, just deprecate the initialize and open
1617
methods on the format class. Do not deprecate the object, as the
1618
object will be created every system load.
1621
_default_format = None
1622
"""The default format used for new .bzr dirs."""
1625
"""The known formats."""
1627
_control_formats = []
1628
"""The registered control formats - .bzr, ....
1630
This is a list of BzrDirFormat objects.
1633
_control_server_formats = []
1634
"""The registered control server formats, e.g. RemoteBzrDirs.
1636
This is a list of BzrDirFormat objects.
1639
_lock_file_name = 'branch-lock'
1641
# _lock_class must be set in subclasses to the lock type, typ.
1642
# TransportLock or LockDir
1645
def find_format(klass, transport, _server_formats=True):
1646
"""Return the format present at transport."""
1648
formats = klass._control_server_formats + klass._control_formats
1650
formats = klass._control_formats
1651
for format in formats:
1653
return format.probe_transport(transport)
1654
except errors.NotBranchError:
1655
# this format does not find a control dir here.
1657
raise errors.NotBranchError(path=transport.base)
1660
def probe_transport(klass, transport):
1661
"""Return the .bzrdir style format present in a directory."""
1663
format_string = transport.get(".bzr/branch-format").read()
1664
except errors.NoSuchFile:
1665
raise errors.NotBranchError(path=transport.base)
1668
return klass._formats[format_string]
1670
raise errors.UnknownFormatError(format=format_string, kind='bzrdir')
1673
def get_default_format(klass):
1674
"""Return the current default format."""
1675
return klass._default_format
1677
def get_format_string(self):
1678
"""Return the ASCII format string that identifies this format."""
1679
raise NotImplementedError(self.get_format_string)
1681
def get_format_description(self):
1682
"""Return the short description for this format."""
1683
raise NotImplementedError(self.get_format_description)
1685
def get_converter(self, format=None):
1686
"""Return the converter to use to convert bzrdirs needing converts.
1688
This returns a bzrlib.bzrdir.Converter object.
1690
This should return the best upgrader to step this format towards the
1691
current default format. In the case of plugins we can/should provide
1692
some means for them to extend the range of returnable converters.
1694
:param format: Optional format to override the default format of the
1697
raise NotImplementedError(self.get_converter)
1699
def initialize(self, url, possible_transports=None):
1700
"""Create a bzr control dir at this url and return an opened copy.
1702
Subclasses should typically override initialize_on_transport
1703
instead of this method.
1705
return self.initialize_on_transport(get_transport(url,
1706
possible_transports))
1708
def initialize_on_transport(self, transport):
1709
"""Initialize a new bzrdir in the base directory of a Transport."""
1710
# Since we don't have a .bzr directory, inherit the
1711
# mode from the root directory
1712
temp_control = lockable_files.LockableFiles(transport,
1713
'', lockable_files.TransportLock)
1714
temp_control._transport.mkdir('.bzr',
1715
# FIXME: RBC 20060121 don't peek under
1717
mode=temp_control._dir_mode)
1718
if sys.platform == 'win32' and isinstance(transport, local.LocalTransport):
1719
win32utils.set_file_attr_hidden(transport._abspath('.bzr'))
1720
file_mode = temp_control._file_mode
1722
bzrdir_transport = transport.clone('.bzr')
1723
utf8_files = [('README',
1724
"This is a Bazaar control directory.\n"
1725
"Do not change any files in this directory.\n"
1726
"See http://bazaar-vcs.org/ for more information about Bazaar.\n"),
1727
('branch-format', self.get_format_string()),
1729
# NB: no need to escape relative paths that are url safe.
1730
control_files = lockable_files.LockableFiles(bzrdir_transport,
1731
self._lock_file_name, self._lock_class)
1732
control_files.create_lock()
1733
control_files.lock_write()
1735
for (filename, content) in utf8_files:
1736
bzrdir_transport.put_bytes(filename, content,
1739
control_files.unlock()
1740
# If we initialized using VFS methods on a RemoteTransport, return a
1741
# Remote object: No need for it to be slower than necessary.
1742
if isinstance(transport, remote_transport.RemoteTransport):
1743
return self.open(transport)
1745
return self.open(transport, _found=True)
1747
def is_supported(self):
1748
"""Is this format supported?
1750
Supported formats must be initializable and openable.
1751
Unsupported formats may not support initialization or committing or
1752
some other features depending on the reason for not being supported.
1756
def same_model(self, target_format):
1757
return (self.repository_format.rich_root_data ==
1758
target_format.rich_root_data)
1761
def known_formats(klass):
1762
"""Return all the known formats.
1764
Concrete formats should override _known_formats.
1766
# There is double indirection here to make sure that control
1767
# formats used by more than one dir format will only be probed
1768
# once. This can otherwise be quite expensive for remote connections.
1770
for format in klass._control_formats:
1771
result.update(format._known_formats())
1775
def _known_formats(klass):
1776
"""Return the known format instances for this control format."""
1777
return set(klass._formats.values())
1779
def open(self, transport, _found=False):
1780
"""Return an instance of this format for the dir transport points at.
1782
_found is a private parameter, do not use it.
1785
found_format = BzrDirFormat.find_format(transport)
1786
if not isinstance(found_format, self.__class__):
1787
raise AssertionError("%s was asked to open %s, but it seems to need "
1789
% (self, transport, found_format))
1790
# Allow subclasses - use the found format.
1791
self._supply_sub_formats_to(found_format)
1792
return found_format._open(transport)
1793
return self._open(transport)
1795
def _open(self, transport):
1796
"""Template method helper for opening BzrDirectories.
1798
This performs the actual open and any additional logic or parameter
1801
raise NotImplementedError(self._open)
1804
def register_format(klass, format):
1805
klass._formats[format.get_format_string()] = format
1808
def register_control_format(klass, format):
1809
"""Register a format that does not use '.bzr' for its control dir.
1811
TODO: This should be pulled up into a 'ControlDirFormat' base class
1812
which BzrDirFormat can inherit from, and renamed to register_format
1813
there. It has been done without that for now for simplicity of
1816
klass._control_formats.append(format)
1819
def register_control_server_format(klass, format):
1820
"""Register a control format for client-server environments.
1822
These formats will be tried before ones registered with
1823
register_control_format. This gives implementations that decide to the
1824
chance to grab it before anything looks at the contents of the format
1827
klass._control_server_formats.append(format)
1830
def _set_default_format(klass, format):
1831
"""Set default format (for testing behavior of defaults only)"""
1832
klass._default_format = format
1836
return self.get_format_string().rstrip()
1838
def _supply_sub_formats_to(self, other_format):
1839
"""Give other_format the same values for sub formats as this has.
1841
This method is expected to be used when parameterising a
1842
RemoteBzrDirFormat instance with the parameters from a
1843
BzrDirMetaFormat1 instance.
1845
:param other_format: other_format is a format which should be
1846
compatible with whatever sub formats are supported by self.
1851
def unregister_format(klass, format):
1852
del klass._formats[format.get_format_string()]
1855
def unregister_control_format(klass, format):
1856
klass._control_formats.remove(format)
1859
class BzrDirFormat4(BzrDirFormat):
1860
"""Bzr dir format 4.
1862
This format is a combined format for working tree, branch and repository.
1864
- Format 1 working trees [always]
1865
- Format 4 branches [always]
1866
- Format 4 repositories [always]
1868
This format is deprecated: it indexes texts using a text it which is
1869
removed in format 5; write support for this format has been removed.
1872
_lock_class = lockable_files.TransportLock
1874
def get_format_string(self):
1875
"""See BzrDirFormat.get_format_string()."""
1876
return "Bazaar-NG branch, format 0.0.4\n"
1878
def get_format_description(self):
1879
"""See BzrDirFormat.get_format_description()."""
1880
return "All-in-one format 4"
1882
def get_converter(self, format=None):
1883
"""See BzrDirFormat.get_converter()."""
1884
# there is one and only one upgrade path here.
1885
return ConvertBzrDir4To5()
1887
def initialize_on_transport(self, transport):
1888
"""Format 4 branches cannot be created."""
1889
raise errors.UninitializableFormat(self)
1891
def is_supported(self):
1892
"""Format 4 is not supported.
1894
It is not supported because the model changed from 4 to 5 and the
1895
conversion logic is expensive - so doing it on the fly was not
1900
def _open(self, transport):
1901
"""See BzrDirFormat._open."""
1902
return BzrDir4(transport, self)
1904
def __return_repository_format(self):
1905
"""Circular import protection."""
1906
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1907
return RepositoryFormat4()
1908
repository_format = property(__return_repository_format)
1911
class BzrDirFormat5(BzrDirFormat):
1912
"""Bzr control format 5.
1914
This format is a combined format for working tree, branch and repository.
1916
- Format 2 working trees [always]
1917
- Format 4 branches [always]
1918
- Format 5 repositories [always]
1919
Unhashed stores in the repository.
1922
_lock_class = lockable_files.TransportLock
1924
def get_format_string(self):
1925
"""See BzrDirFormat.get_format_string()."""
1926
return "Bazaar-NG branch, format 5\n"
1928
def get_branch_format(self):
1929
from bzrlib import branch
1930
return branch.BzrBranchFormat4()
1932
def get_format_description(self):
1933
"""See BzrDirFormat.get_format_description()."""
1934
return "All-in-one format 5"
1936
def get_converter(self, format=None):
1937
"""See BzrDirFormat.get_converter()."""
1938
# there is one and only one upgrade path here.
1939
return ConvertBzrDir5To6()
1941
def _initialize_for_clone(self, url):
1942
return self.initialize_on_transport(get_transport(url), _cloning=True)
1944
def initialize_on_transport(self, transport, _cloning=False):
1945
"""Format 5 dirs always have working tree, branch and repository.
1947
Except when they are being cloned.
1949
from bzrlib.branch import BzrBranchFormat4
1950
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1951
result = (super(BzrDirFormat5, self).initialize_on_transport(transport))
1952
RepositoryFormat5().initialize(result, _internal=True)
1954
branch = BzrBranchFormat4().initialize(result)
1955
result._init_workingtree()
1958
def _open(self, transport):
1959
"""See BzrDirFormat._open."""
1960
return BzrDir5(transport, self)
1962
def __return_repository_format(self):
1963
"""Circular import protection."""
1964
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1965
return RepositoryFormat5()
1966
repository_format = property(__return_repository_format)
1969
class BzrDirFormat6(BzrDirFormat):
1970
"""Bzr control format 6.
1972
This format is a combined format for working tree, branch and repository.
1974
- Format 2 working trees [always]
1975
- Format 4 branches [always]
1976
- Format 6 repositories [always]
1979
_lock_class = lockable_files.TransportLock
1981
def get_format_string(self):
1982
"""See BzrDirFormat.get_format_string()."""
1983
return "Bazaar-NG branch, format 6\n"
1985
def get_format_description(self):
1986
"""See BzrDirFormat.get_format_description()."""
1987
return "All-in-one format 6"
1989
def get_branch_format(self):
1990
from bzrlib import branch
1991
return branch.BzrBranchFormat4()
1993
def get_converter(self, format=None):
1994
"""See BzrDirFormat.get_converter()."""
1995
# there is one and only one upgrade path here.
1996
return ConvertBzrDir6ToMeta()
1998
def _initialize_for_clone(self, url):
1999
return self.initialize_on_transport(get_transport(url), _cloning=True)
2001
def initialize_on_transport(self, transport, _cloning=False):
2002
"""Format 6 dirs always have working tree, branch and repository.
2004
Except when they are being cloned.
2006
from bzrlib.branch import BzrBranchFormat4
2007
from bzrlib.repofmt.weaverepo import RepositoryFormat6
2008
result = super(BzrDirFormat6, self).initialize_on_transport(transport)
2009
RepositoryFormat6().initialize(result, _internal=True)
2011
branch = BzrBranchFormat4().initialize(result)
2012
result._init_workingtree()
2015
def _open(self, transport):
2016
"""See BzrDirFormat._open."""
2017
return BzrDir6(transport, self)
2019
def __return_repository_format(self):
2020
"""Circular import protection."""
2021
from bzrlib.repofmt.weaverepo import RepositoryFormat6
2022
return RepositoryFormat6()
2023
repository_format = property(__return_repository_format)
2026
class BzrDirMetaFormat1(BzrDirFormat):
2027
"""Bzr meta control format 1
2029
This is the first format with split out working tree, branch and repository
2032
- Format 3 working trees [optional]
2033
- Format 5 branches [optional]
2034
- Format 7 repositories [optional]
2037
_lock_class = lockdir.LockDir
2040
self._workingtree_format = None
2041
self._branch_format = None
2043
def __eq__(self, other):
2044
if other.__class__ is not self.__class__:
2046
if other.repository_format != self.repository_format:
2048
if other.workingtree_format != self.workingtree_format:
2052
def __ne__(self, other):
2053
return not self == other
2055
def get_branch_format(self):
2056
if self._branch_format is None:
2057
from bzrlib.branch import BranchFormat
2058
self._branch_format = BranchFormat.get_default_format()
2059
return self._branch_format
2061
def set_branch_format(self, format):
2062
self._branch_format = format
2064
def require_stacking(self):
2065
if not self.get_branch_format().supports_stacking():
2066
# We need to make a stacked branch, but the default format for the
2067
# target doesn't support stacking. So force a branch that *can*
2069
from bzrlib.branch import BzrBranchFormat7
2070
self._branch_format = BzrBranchFormat7()
2071
mutter("using %r for stacking" % (self._branch_format,))
2072
from bzrlib.repofmt import pack_repo
2073
if self.repository_format.rich_root_data:
2074
bzrdir_format_name = '1.6.1-rich-root'
2075
repo_format = pack_repo.RepositoryFormatKnitPack5RichRoot()
2077
bzrdir_format_name = '1.6'
2078
repo_format = pack_repo.RepositoryFormatKnitPack5()
2079
note('Source format does not support stacking, using format:'
2081
bzrdir_format_name, repo_format.get_format_description())
2082
self.repository_format = repo_format
2084
def get_converter(self, format=None):
2085
"""See BzrDirFormat.get_converter()."""
2087
format = BzrDirFormat.get_default_format()
2088
if not isinstance(self, format.__class__):
2089
# converting away from metadir is not implemented
2090
raise NotImplementedError(self.get_converter)
2091
return ConvertMetaToMeta(format)
2093
def get_format_string(self):
2094
"""See BzrDirFormat.get_format_string()."""
2095
return "Bazaar-NG meta directory, format 1\n"
2097
def get_format_description(self):
2098
"""See BzrDirFormat.get_format_description()."""
2099
return "Meta directory format 1"
2101
def _open(self, transport):
2102
"""See BzrDirFormat._open."""
2103
return BzrDirMeta1(transport, self)
2105
def __return_repository_format(self):
2106
"""Circular import protection."""
2107
if getattr(self, '_repository_format', None):
2108
return self._repository_format
2109
from bzrlib.repository import RepositoryFormat
2110
return RepositoryFormat.get_default_format()
2112
def _set_repository_format(self, value):
2113
"""Allow changing the repository format for metadir formats."""
2114
self._repository_format = value
2116
repository_format = property(__return_repository_format,
2117
_set_repository_format)
2119
def _supply_sub_formats_to(self, other_format):
2120
"""Give other_format the same values for sub formats as this has.
2122
This method is expected to be used when parameterising a
2123
RemoteBzrDirFormat instance with the parameters from a
2124
BzrDirMetaFormat1 instance.
2126
:param other_format: other_format is a format which should be
2127
compatible with whatever sub formats are supported by self.
2130
if getattr(self, '_repository_format', None) is not None:
2131
other_format.repository_format = self.repository_format
2132
if self._branch_format is not None:
2133
other_format._branch_format = self._branch_format
2134
if self._workingtree_format is not None:
2135
other_format.workingtree_format = self.workingtree_format
2137
def __get_workingtree_format(self):
2138
if self._workingtree_format is None:
2139
from bzrlib.workingtree import WorkingTreeFormat
2140
self._workingtree_format = WorkingTreeFormat.get_default_format()
2141
return self._workingtree_format
2143
def __set_workingtree_format(self, wt_format):
2144
self._workingtree_format = wt_format
2146
workingtree_format = property(__get_workingtree_format,
2147
__set_workingtree_format)
2150
# Register bzr control format
2151
BzrDirFormat.register_control_format(BzrDirFormat)
2153
# Register bzr formats
2154
BzrDirFormat.register_format(BzrDirFormat4())
2155
BzrDirFormat.register_format(BzrDirFormat5())
2156
BzrDirFormat.register_format(BzrDirFormat6())
2157
__default_format = BzrDirMetaFormat1()
2158
BzrDirFormat.register_format(__default_format)
2159
BzrDirFormat._default_format = __default_format
2162
class Converter(object):
2163
"""Converts a disk format object from one format to another."""
2165
def convert(self, to_convert, pb):
2166
"""Perform the conversion of to_convert, giving feedback via pb.
2168
:param to_convert: The disk object to convert.
2169
:param pb: a progress bar to use for progress information.
2172
def step(self, message):
2173
"""Update the pb by a step."""
2175
self.pb.update(message, self.count, self.total)
2178
class ConvertBzrDir4To5(Converter):
2179
"""Converts format 4 bzr dirs to format 5."""
2182
super(ConvertBzrDir4To5, self).__init__()
2183
self.converted_revs = set()
2184
self.absent_revisions = set()
2188
def convert(self, to_convert, pb):
2189
"""See Converter.convert()."""
2190
self.bzrdir = to_convert
2192
self.pb.note('starting upgrade from format 4 to 5')
2193
if isinstance(self.bzrdir.transport, local.LocalTransport):
2194
self.bzrdir.get_workingtree_transport(None).delete('stat-cache')
2195
self._convert_to_weaves()
2196
return BzrDir.open(self.bzrdir.root_transport.base)
2198
def _convert_to_weaves(self):
2199
self.pb.note('note: upgrade may be faster if all store files are ungzipped first')
2202
stat = self.bzrdir.transport.stat('weaves')
2203
if not S_ISDIR(stat.st_mode):
2204
self.bzrdir.transport.delete('weaves')
2205
self.bzrdir.transport.mkdir('weaves')
2206
except errors.NoSuchFile:
2207
self.bzrdir.transport.mkdir('weaves')
2208
# deliberately not a WeaveFile as we want to build it up slowly.
2209
self.inv_weave = Weave('inventory')
2210
# holds in-memory weaves for all files
2211
self.text_weaves = {}
2212
self.bzrdir.transport.delete('branch-format')
2213
self.branch = self.bzrdir.open_branch()
2214
self._convert_working_inv()
2215
rev_history = self.branch.revision_history()
2216
# to_read is a stack holding the revisions we still need to process;
2217
# appending to it adds new highest-priority revisions
2218
self.known_revisions = set(rev_history)
2219
self.to_read = rev_history[-1:]
2221
rev_id = self.to_read.pop()
2222
if (rev_id not in self.revisions
2223
and rev_id not in self.absent_revisions):
2224
self._load_one_rev(rev_id)
2226
to_import = self._make_order()
2227
for i, rev_id in enumerate(to_import):
2228
self.pb.update('converting revision', i, len(to_import))
2229
self._convert_one_rev(rev_id)
2231
self._write_all_weaves()
2232
self._write_all_revs()
2233
self.pb.note('upgraded to weaves:')
2234
self.pb.note(' %6d revisions and inventories', len(self.revisions))
2235
self.pb.note(' %6d revisions not present', len(self.absent_revisions))
2236
self.pb.note(' %6d texts', self.text_count)
2237
self._cleanup_spare_files_after_format4()
2238
self.branch._transport.put_bytes(
2240
BzrDirFormat5().get_format_string(),
2241
mode=self.bzrdir._get_file_mode())
2243
def _cleanup_spare_files_after_format4(self):
2244
# FIXME working tree upgrade foo.
2245
for n in 'merged-patches', 'pending-merged-patches':
2247
## assert os.path.getsize(p) == 0
2248
self.bzrdir.transport.delete(n)
2249
except errors.NoSuchFile:
2251
self.bzrdir.transport.delete_tree('inventory-store')
2252
self.bzrdir.transport.delete_tree('text-store')
2254
def _convert_working_inv(self):
2255
inv = xml4.serializer_v4.read_inventory(
2256
self.branch._transport.get('inventory'))
2257
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv, working=True)
2258
self.branch._transport.put_bytes('inventory', new_inv_xml,
2259
mode=self.bzrdir._get_file_mode())
2261
def _write_all_weaves(self):
2262
controlweaves = WeaveStore(self.bzrdir.transport, prefixed=False)
2263
weave_transport = self.bzrdir.transport.clone('weaves')
2264
weaves = WeaveStore(weave_transport, prefixed=False)
2265
transaction = WriteTransaction()
2269
for file_id, file_weave in self.text_weaves.items():
2270
self.pb.update('writing weave', i, len(self.text_weaves))
2271
weaves._put_weave(file_id, file_weave, transaction)
2273
self.pb.update('inventory', 0, 1)
2274
controlweaves._put_weave('inventory', self.inv_weave, transaction)
2275
self.pb.update('inventory', 1, 1)
2279
def _write_all_revs(self):
2280
"""Write all revisions out in new form."""
2281
self.bzrdir.transport.delete_tree('revision-store')
2282
self.bzrdir.transport.mkdir('revision-store')
2283
revision_transport = self.bzrdir.transport.clone('revision-store')
2285
from bzrlib.xml5 import serializer_v5
2286
from bzrlib.repofmt.weaverepo import RevisionTextStore
2287
revision_store = RevisionTextStore(revision_transport,
2288
serializer_v5, False, versionedfile.PrefixMapper(),
2289
lambda:True, lambda:True)
2291
for i, rev_id in enumerate(self.converted_revs):
2292
self.pb.update('write revision', i, len(self.converted_revs))
2293
text = serializer_v5.write_revision_to_string(
2294
self.revisions[rev_id])
2296
revision_store.add_lines(key, None, osutils.split_lines(text))
2300
def _load_one_rev(self, rev_id):
2301
"""Load a revision object into memory.
2303
Any parents not either loaded or abandoned get queued to be
2305
self.pb.update('loading revision',
2306
len(self.revisions),
2307
len(self.known_revisions))
2308
if not self.branch.repository.has_revision(rev_id):
2310
self.pb.note('revision {%s} not present in branch; '
2311
'will be converted as a ghost',
2313
self.absent_revisions.add(rev_id)
2315
rev = self.branch.repository.get_revision(rev_id)
2316
for parent_id in rev.parent_ids:
2317
self.known_revisions.add(parent_id)
2318
self.to_read.append(parent_id)
2319
self.revisions[rev_id] = rev
2321
def _load_old_inventory(self, rev_id):
2322
old_inv_xml = self.branch.repository.inventory_store.get(rev_id).read()
2323
inv = xml4.serializer_v4.read_inventory_from_string(old_inv_xml)
2324
inv.revision_id = rev_id
2325
rev = self.revisions[rev_id]
2328
def _load_updated_inventory(self, rev_id):
2329
inv_xml = self.inv_weave.get_text(rev_id)
2330
inv = xml5.serializer_v5.read_inventory_from_string(inv_xml, rev_id)
2333
def _convert_one_rev(self, rev_id):
2334
"""Convert revision and all referenced objects to new format."""
2335
rev = self.revisions[rev_id]
2336
inv = self._load_old_inventory(rev_id)
2337
present_parents = [p for p in rev.parent_ids
2338
if p not in self.absent_revisions]
2339
self._convert_revision_contents(rev, inv, present_parents)
2340
self._store_new_inv(rev, inv, present_parents)
2341
self.converted_revs.add(rev_id)
2343
def _store_new_inv(self, rev, inv, present_parents):
2344
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
2345
new_inv_sha1 = sha_string(new_inv_xml)
2346
self.inv_weave.add_lines(rev.revision_id,
2348
new_inv_xml.splitlines(True))
2349
rev.inventory_sha1 = new_inv_sha1
2351
def _convert_revision_contents(self, rev, inv, present_parents):
2352
"""Convert all the files within a revision.
2354
Also upgrade the inventory to refer to the text revision ids."""
2355
rev_id = rev.revision_id
2356
mutter('converting texts of revision {%s}',
2358
parent_invs = map(self._load_updated_inventory, present_parents)
2359
entries = inv.iter_entries()
2361
for path, ie in entries:
2362
self._convert_file_version(rev, ie, parent_invs)
2364
def _convert_file_version(self, rev, ie, parent_invs):
2365
"""Convert one version of one file.
2367
The file needs to be added into the weave if it is a merge
2368
of >=2 parents or if it's changed from its parent.
2370
file_id = ie.file_id
2371
rev_id = rev.revision_id
2372
w = self.text_weaves.get(file_id)
2375
self.text_weaves[file_id] = w
2376
text_changed = False
2377
parent_candiate_entries = ie.parent_candidates(parent_invs)
2378
heads = graph.Graph(self).heads(parent_candiate_entries.keys())
2379
# XXX: Note that this is unordered - and this is tolerable because
2380
# the previous code was also unordered.
2381
previous_entries = dict((head, parent_candiate_entries[head]) for head
2383
self.snapshot_ie(previous_entries, ie, w, rev_id)
2386
@symbol_versioning.deprecated_method(symbol_versioning.one_one)
2387
def get_parents(self, revision_ids):
2388
for revision_id in revision_ids:
2389
yield self.revisions[revision_id].parent_ids
2391
def get_parent_map(self, revision_ids):
2392
"""See graph._StackedParentsProvider.get_parent_map"""
2393
return dict((revision_id, self.revisions[revision_id])
2394
for revision_id in revision_ids
2395
if revision_id in self.revisions)
2397
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
2398
# TODO: convert this logic, which is ~= snapshot to
2399
# a call to:. This needs the path figured out. rather than a work_tree
2400
# a v4 revision_tree can be given, or something that looks enough like
2401
# one to give the file content to the entry if it needs it.
2402
# and we need something that looks like a weave store for snapshot to
2404
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
2405
if len(previous_revisions) == 1:
2406
previous_ie = previous_revisions.values()[0]
2407
if ie._unchanged(previous_ie):
2408
ie.revision = previous_ie.revision
2411
text = self.branch.repository._text_store.get(ie.text_id)
2412
file_lines = text.readlines()
2413
w.add_lines(rev_id, previous_revisions, file_lines)
2414
self.text_count += 1
2416
w.add_lines(rev_id, previous_revisions, [])
2417
ie.revision = rev_id
2419
def _make_order(self):
2420
"""Return a suitable order for importing revisions.
2422
The order must be such that an revision is imported after all
2423
its (present) parents.
2425
todo = set(self.revisions.keys())
2426
done = self.absent_revisions.copy()
2429
# scan through looking for a revision whose parents
2431
for rev_id in sorted(list(todo)):
2432
rev = self.revisions[rev_id]
2433
parent_ids = set(rev.parent_ids)
2434
if parent_ids.issubset(done):
2435
# can take this one now
2436
order.append(rev_id)
2442
class ConvertBzrDir5To6(Converter):
2443
"""Converts format 5 bzr dirs to format 6."""
2445
def convert(self, to_convert, pb):
2446
"""See Converter.convert()."""
2447
self.bzrdir = to_convert
2449
self.pb.note('starting upgrade from format 5 to 6')
2450
self._convert_to_prefixed()
2451
return BzrDir.open(self.bzrdir.root_transport.base)
2453
def _convert_to_prefixed(self):
2454
from bzrlib.store import TransportStore
2455
self.bzrdir.transport.delete('branch-format')
2456
for store_name in ["weaves", "revision-store"]:
2457
self.pb.note("adding prefixes to %s" % store_name)
2458
store_transport = self.bzrdir.transport.clone(store_name)
2459
store = TransportStore(store_transport, prefixed=True)
2460
for urlfilename in store_transport.list_dir('.'):
2461
filename = urlutils.unescape(urlfilename)
2462
if (filename.endswith(".weave") or
2463
filename.endswith(".gz") or
2464
filename.endswith(".sig")):
2465
file_id, suffix = os.path.splitext(filename)
2469
new_name = store._mapper.map((file_id,)) + suffix
2470
# FIXME keep track of the dirs made RBC 20060121
2472
store_transport.move(filename, new_name)
2473
except errors.NoSuchFile: # catches missing dirs strangely enough
2474
store_transport.mkdir(osutils.dirname(new_name))
2475
store_transport.move(filename, new_name)
2476
self.bzrdir.transport.put_bytes(
2478
BzrDirFormat6().get_format_string(),
2479
mode=self.bzrdir._get_file_mode())
2482
class ConvertBzrDir6ToMeta(Converter):
2483
"""Converts format 6 bzr dirs to metadirs."""
2485
def convert(self, to_convert, pb):
2486
"""See Converter.convert()."""
2487
from bzrlib.repofmt.weaverepo import RepositoryFormat7
2488
from bzrlib.branch import BzrBranchFormat5
2489
self.bzrdir = to_convert
2492
self.total = 20 # the steps we know about
2493
self.garbage_inventories = []
2494
self.dir_mode = self.bzrdir._get_dir_mode()
2495
self.file_mode = self.bzrdir._get_file_mode()
2497
self.pb.note('starting upgrade from format 6 to metadir')
2498
self.bzrdir.transport.put_bytes(
2500
"Converting to format 6",
2501
mode=self.file_mode)
2502
# its faster to move specific files around than to open and use the apis...
2503
# first off, nuke ancestry.weave, it was never used.
2505
self.step('Removing ancestry.weave')
2506
self.bzrdir.transport.delete('ancestry.weave')
2507
except errors.NoSuchFile:
2509
# find out whats there
2510
self.step('Finding branch files')
2511
last_revision = self.bzrdir.open_branch().last_revision()
2512
bzrcontents = self.bzrdir.transport.list_dir('.')
2513
for name in bzrcontents:
2514
if name.startswith('basis-inventory.'):
2515
self.garbage_inventories.append(name)
2516
# create new directories for repository, working tree and branch
2517
repository_names = [('inventory.weave', True),
2518
('revision-store', True),
2520
self.step('Upgrading repository ')
2521
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
2522
self.make_lock('repository')
2523
# we hard code the formats here because we are converting into
2524
# the meta format. The meta format upgrader can take this to a
2525
# future format within each component.
2526
self.put_format('repository', RepositoryFormat7())
2527
for entry in repository_names:
2528
self.move_entry('repository', entry)
2530
self.step('Upgrading branch ')
2531
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
2532
self.make_lock('branch')
2533
self.put_format('branch', BzrBranchFormat5())
2534
branch_files = [('revision-history', True),
2535
('branch-name', True),
2537
for entry in branch_files:
2538
self.move_entry('branch', entry)
2540
checkout_files = [('pending-merges', True),
2541
('inventory', True),
2542
('stat-cache', False)]
2543
# If a mandatory checkout file is not present, the branch does not have
2544
# a functional checkout. Do not create a checkout in the converted
2546
for name, mandatory in checkout_files:
2547
if mandatory and name not in bzrcontents:
2548
has_checkout = False
2552
if not has_checkout:
2553
self.pb.note('No working tree.')
2554
# If some checkout files are there, we may as well get rid of them.
2555
for name, mandatory in checkout_files:
2556
if name in bzrcontents:
2557
self.bzrdir.transport.delete(name)
2559
from bzrlib.workingtree import WorkingTreeFormat3
2560
self.step('Upgrading working tree')
2561
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
2562
self.make_lock('checkout')
2564
'checkout', WorkingTreeFormat3())
2565
self.bzrdir.transport.delete_multi(
2566
self.garbage_inventories, self.pb)
2567
for entry in checkout_files:
2568
self.move_entry('checkout', entry)
2569
if last_revision is not None:
2570
self.bzrdir.transport.put_bytes(
2571
'checkout/last-revision', last_revision)
2572
self.bzrdir.transport.put_bytes(
2574
BzrDirMetaFormat1().get_format_string(),
2575
mode=self.file_mode)
2576
return BzrDir.open(self.bzrdir.root_transport.base)
2578
def make_lock(self, name):
2579
"""Make a lock for the new control dir name."""
2580
self.step('Make %s lock' % name)
2581
ld = lockdir.LockDir(self.bzrdir.transport,
2583
file_modebits=self.file_mode,
2584
dir_modebits=self.dir_mode)
2587
def move_entry(self, new_dir, entry):
2588
"""Move then entry name into new_dir."""
2590
mandatory = entry[1]
2591
self.step('Moving %s' % name)
2593
self.bzrdir.transport.move(name, '%s/%s' % (new_dir, name))
2594
except errors.NoSuchFile:
2598
def put_format(self, dirname, format):
2599
self.bzrdir.transport.put_bytes('%s/format' % dirname,
2600
format.get_format_string(),
2604
class ConvertMetaToMeta(Converter):
2605
"""Converts the components of metadirs."""
2607
def __init__(self, target_format):
2608
"""Create a metadir to metadir converter.
2610
:param target_format: The final metadir format that is desired.
2612
self.target_format = target_format
2614
def convert(self, to_convert, pb):
2615
"""See Converter.convert()."""
2616
self.bzrdir = to_convert
2620
self.step('checking repository format')
2622
repo = self.bzrdir.open_repository()
2623
except errors.NoRepositoryPresent:
2626
if not isinstance(repo._format, self.target_format.repository_format.__class__):
2627
from bzrlib.repository import CopyConverter
2628
self.pb.note('starting repository conversion')
2629
converter = CopyConverter(self.target_format.repository_format)
2630
converter.convert(repo, pb)
2632
branch = self.bzrdir.open_branch()
2633
except errors.NotBranchError:
2636
# TODO: conversions of Branch and Tree should be done by
2637
# InterXFormat lookups/some sort of registry.
2638
# Avoid circular imports
2639
from bzrlib import branch as _mod_branch
2640
old = branch._format.__class__
2641
new = self.target_format.get_branch_format().__class__
2643
if (old == _mod_branch.BzrBranchFormat5 and
2644
new in (_mod_branch.BzrBranchFormat6,
2645
_mod_branch.BzrBranchFormat7)):
2646
branch_converter = _mod_branch.Converter5to6()
2647
elif (old == _mod_branch.BzrBranchFormat6 and
2648
new == _mod_branch.BzrBranchFormat7):
2649
branch_converter = _mod_branch.Converter6to7()
2651
raise errors.BadConversionTarget("No converter", new)
2652
branch_converter.convert(branch)
2653
branch = self.bzrdir.open_branch()
2654
old = branch._format.__class__
2656
tree = self.bzrdir.open_workingtree(recommend_upgrade=False)
2657
except (errors.NoWorkingTree, errors.NotLocalUrl):
2660
# TODO: conversions of Branch and Tree should be done by
2661
# InterXFormat lookups
2662
if (isinstance(tree, workingtree.WorkingTree3) and
2663
not isinstance(tree, workingtree_4.DirStateWorkingTree) and
2664
isinstance(self.target_format.workingtree_format,
2665
workingtree_4.DirStateWorkingTreeFormat)):
2666
workingtree_4.Converter3to4().convert(tree)
2667
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
2668
not isinstance(tree, workingtree_4.WorkingTree5) and
2669
isinstance(self.target_format.workingtree_format,
2670
workingtree_4.WorkingTreeFormat5)):
2671
workingtree_4.Converter4to5().convert(tree)
2675
# This is not in remote.py because it's small, and needs to be registered.
2676
# Putting it in remote.py creates a circular import problem.
2677
# we can make it a lazy object if the control formats is turned into something
2679
class RemoteBzrDirFormat(BzrDirMetaFormat1):
2680
"""Format representing bzrdirs accessed via a smart server"""
2682
def get_format_description(self):
2683
return 'bzr remote bzrdir'
2686
def probe_transport(klass, transport):
2687
"""Return a RemoteBzrDirFormat object if it looks possible."""
2689
medium = transport.get_smart_medium()
2690
except (NotImplementedError, AttributeError,
2691
errors.TransportNotPossible, errors.NoSmartMedium,
2692
errors.SmartProtocolError):
2693
# no smart server, so not a branch for this format type.
2694
raise errors.NotBranchError(path=transport.base)
2696
# Decline to open it if the server doesn't support our required
2697
# version (3) so that the VFS-based transport will do it.
2698
if medium.should_probe():
2700
server_version = medium.protocol_version()
2701
except errors.SmartProtocolError:
2702
# Apparently there's no usable smart server there, even though
2703
# the medium supports the smart protocol.
2704
raise errors.NotBranchError(path=transport.base)
2705
if server_version != '2':
2706
raise errors.NotBranchError(path=transport.base)
2709
def initialize_on_transport(self, transport):
2711
# hand off the request to the smart server
2712
client_medium = transport.get_smart_medium()
2713
except errors.NoSmartMedium:
2714
# TODO: lookup the local format from a server hint.
2715
local_dir_format = BzrDirMetaFormat1()
2716
return local_dir_format.initialize_on_transport(transport)
2717
client = _SmartClient(client_medium)
2718
path = client.remote_path_from_transport(transport)
2719
response = client.call('BzrDirFormat.initialize', path)
2720
if response[0] != 'ok':
2721
raise errors.SmartProtocolError('unexpected response code %s' % (response,))
2722
format = RemoteBzrDirFormat()
2723
self._supply_sub_formats_to(format)
2724
return remote.RemoteBzrDir(transport, format)
2726
def _open(self, transport):
2727
return remote.RemoteBzrDir(transport, self)
2729
def __eq__(self, other):
2730
if not isinstance(other, RemoteBzrDirFormat):
2732
return self.get_format_description() == other.get_format_description()
2734
def __return_repository_format(self):
2735
# Always return a RemoteRepositoryFormat object, but if a specific bzr
2736
# repository format has been asked for, tell the RemoteRepositoryFormat
2737
# that it should use that for init() etc.
2738
result = remote.RemoteRepositoryFormat()
2739
custom_format = getattr(self, '_repository_format', None)
2741
# We will use the custom format to create repositories over the
2742
# wire; expose its details like rich_root_data for code to query
2743
result._custom_format = custom_format
2744
result.rich_root_data = custom_format.rich_root_data
2747
repository_format = property(__return_repository_format,
2748
BzrDirMetaFormat1._set_repository_format) #.im_func)
2751
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
2754
class BzrDirFormatInfo(object):
2756
def __init__(self, native, deprecated, hidden, experimental):
2757
self.deprecated = deprecated
2758
self.native = native
2759
self.hidden = hidden
2760
self.experimental = experimental
2763
class BzrDirFormatRegistry(registry.Registry):
2764
"""Registry of user-selectable BzrDir subformats.
2766
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
2767
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
2771
"""Create a BzrDirFormatRegistry."""
2772
self._aliases = set()
2773
self._registration_order = list()
2774
super(BzrDirFormatRegistry, self).__init__()
2777
"""Return a set of the format names which are aliases."""
2778
return frozenset(self._aliases)
2780
def register_metadir(self, key,
2781
repository_format, help, native=True, deprecated=False,
2787
"""Register a metadir subformat.
2789
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2790
by the Repository format.
2792
:param repository_format: The fully-qualified repository format class
2794
:param branch_format: Fully-qualified branch format class name as
2796
:param tree_format: Fully-qualified tree format class name as
2799
# This should be expanded to support setting WorkingTree and Branch
2800
# formats, once BzrDirMetaFormat1 supports that.
2801
def _load(full_name):
2802
mod_name, factory_name = full_name.rsplit('.', 1)
2804
mod = __import__(mod_name, globals(), locals(),
2806
except ImportError, e:
2807
raise ImportError('failed to load %s: %s' % (full_name, e))
2809
factory = getattr(mod, factory_name)
2810
except AttributeError:
2811
raise AttributeError('no factory %s in module %r'
2816
bd = BzrDirMetaFormat1()
2817
if branch_format is not None:
2818
bd.set_branch_format(_load(branch_format))
2819
if tree_format is not None:
2820
bd.workingtree_format = _load(tree_format)
2821
if repository_format is not None:
2822
bd.repository_format = _load(repository_format)
2824
self.register(key, helper, help, native, deprecated, hidden,
2825
experimental, alias)
2827
def register(self, key, factory, help, native=True, deprecated=False,
2828
hidden=False, experimental=False, alias=False):
2829
"""Register a BzrDirFormat factory.
2831
The factory must be a callable that takes one parameter: the key.
2832
It must produce an instance of the BzrDirFormat when called.
2834
This function mainly exists to prevent the info object from being
2837
registry.Registry.register(self, key, factory, help,
2838
BzrDirFormatInfo(native, deprecated, hidden, experimental))
2840
self._aliases.add(key)
2841
self._registration_order.append(key)
2843
def register_lazy(self, key, module_name, member_name, help, native=True,
2844
deprecated=False, hidden=False, experimental=False, alias=False):
2845
registry.Registry.register_lazy(self, key, module_name, member_name,
2846
help, BzrDirFormatInfo(native, deprecated, hidden, experimental))
2848
self._aliases.add(key)
2849
self._registration_order.append(key)
2851
def set_default(self, key):
2852
"""Set the 'default' key to be a clone of the supplied key.
2854
This method must be called once and only once.
2856
registry.Registry.register(self, 'default', self.get(key),
2857
self.get_help(key), info=self.get_info(key))
2858
self._aliases.add('default')
2860
def set_default_repository(self, key):
2861
"""Set the FormatRegistry default and Repository default.
2863
This is a transitional method while Repository.set_default_format
2866
if 'default' in self:
2867
self.remove('default')
2868
self.set_default(key)
2869
format = self.get('default')()
2871
def make_bzrdir(self, key):
2872
return self.get(key)()
2874
def help_topic(self, topic):
2876
default_realkey = None
2877
default_help = self.get_help('default')
2879
for key in self._registration_order:
2880
if key == 'default':
2882
help = self.get_help(key)
2883
if help == default_help:
2884
default_realkey = key
2886
help_pairs.append((key, help))
2888
def wrapped(key, help, info):
2890
help = '(native) ' + help
2891
return ':%s:\n%s\n\n' % (key,
2892
textwrap.fill(help, initial_indent=' ',
2893
subsequent_indent=' '))
2894
if default_realkey is not None:
2895
output += wrapped(default_realkey, '(default) %s' % default_help,
2896
self.get_info('default'))
2897
deprecated_pairs = []
2898
experimental_pairs = []
2899
for key, help in help_pairs:
2900
info = self.get_info(key)
2903
elif info.deprecated:
2904
deprecated_pairs.append((key, help))
2905
elif info.experimental:
2906
experimental_pairs.append((key, help))
2908
output += wrapped(key, help, info)
2909
output += "\nSee ``bzr help formats`` for more about storage formats."
2911
if len(experimental_pairs) > 0:
2912
other_output += "Experimental formats are shown below.\n\n"
2913
for key, help in experimental_pairs:
2914
info = self.get_info(key)
2915
other_output += wrapped(key, help, info)
2918
"No experimental formats are available.\n\n"
2919
if len(deprecated_pairs) > 0:
2920
other_output += "\nDeprecated formats are shown below.\n\n"
2921
for key, help in deprecated_pairs:
2922
info = self.get_info(key)
2923
other_output += wrapped(key, help, info)
2926
"\nNo deprecated formats are available.\n\n"
2928
"\nSee ``bzr help formats`` for more about storage formats."
2930
if topic == 'other-formats':
2936
class RepositoryAcquisitionPolicy(object):
2937
"""Abstract base class for repository acquisition policies.
2939
A repository acquisition policy decides how a BzrDir acquires a repository
2940
for a branch that is being created. The most basic policy decision is
2941
whether to create a new repository or use an existing one.
2943
def __init__(self, stack_on, stack_on_pwd, require_stacking):
2946
:param stack_on: A location to stack on
2947
:param stack_on_pwd: If stack_on is relative, the location it is
2949
:param require_stacking: If True, it is a failure to not stack.
2951
self._stack_on = stack_on
2952
self._stack_on_pwd = stack_on_pwd
2953
self._require_stacking = require_stacking
2955
def configure_branch(self, branch):
2956
"""Apply any configuration data from this policy to the branch.
2958
Default implementation sets repository stacking.
2960
if self._stack_on is None:
2962
if self._stack_on_pwd is None:
2963
stack_on = self._stack_on
2966
stack_on = urlutils.rebase_url(self._stack_on,
2968
branch.bzrdir.root_transport.base)
2969
except errors.InvalidRebaseURLs:
2970
stack_on = self._get_full_stack_on()
2972
branch.set_stacked_on_url(stack_on)
2973
except errors.UnstackableBranchFormat:
2974
if self._require_stacking:
2977
def _get_full_stack_on(self):
2978
"""Get a fully-qualified URL for the stack_on location."""
2979
if self._stack_on is None:
2981
if self._stack_on_pwd is None:
2982
return self._stack_on
2984
return urlutils.join(self._stack_on_pwd, self._stack_on)
2986
def _add_fallback(self, repository, possible_transports=None):
2987
"""Add a fallback to the supplied repository, if stacking is set."""
2988
stack_on = self._get_full_stack_on()
2989
if stack_on is None:
2991
stacked_dir = BzrDir.open(stack_on,
2992
possible_transports=possible_transports)
2994
stacked_repo = stacked_dir.open_branch().repository
2995
except errors.NotBranchError:
2996
stacked_repo = stacked_dir.open_repository()
2998
repository.add_fallback_repository(stacked_repo)
2999
except errors.UnstackableRepositoryFormat:
3000
if self._require_stacking:
3003
self._require_stacking = True
3005
def acquire_repository(self, make_working_trees=None, shared=False):
3006
"""Acquire a repository for this bzrdir.
3008
Implementations may create a new repository or use a pre-exising
3010
:param make_working_trees: If creating a repository, set
3011
make_working_trees to this value (if non-None)
3012
:param shared: If creating a repository, make it shared if True
3013
:return: A repository
3015
raise NotImplemented(RepositoryAcquisitionPolicy.acquire_repository)
3018
class CreateRepository(RepositoryAcquisitionPolicy):
3019
"""A policy of creating a new repository"""
3021
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
3022
require_stacking=False):
3025
:param bzrdir: The bzrdir to create the repository on.
3026
:param stack_on: A location to stack on
3027
:param stack_on_pwd: If stack_on is relative, the location it is
3030
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
3032
self._bzrdir = bzrdir
3034
def acquire_repository(self, make_working_trees=None, shared=False):
3035
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
3037
Creates the desired repository in the bzrdir we already have.
3039
repository = self._bzrdir.create_repository(shared=shared)
3040
self._add_fallback(repository,
3041
possible_transports=[self._bzrdir.transport])
3042
if make_working_trees is not None:
3043
repository.set_make_working_trees(make_working_trees)
3047
class UseExistingRepository(RepositoryAcquisitionPolicy):
3048
"""A policy of reusing an existing repository"""
3050
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
3051
require_stacking=False):
3054
:param repository: The repository to use.
3055
:param stack_on: A location to stack on
3056
:param stack_on_pwd: If stack_on is relative, the location it is
3059
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
3061
self._repository = repository
3063
def acquire_repository(self, make_working_trees=None, shared=False):
3064
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
3066
Returns an existing repository to use
3068
self._add_fallback(self._repository,
3069
possible_transports=[self._repository.bzrdir.transport])
3070
return self._repository
3073
# Please register new formats after old formats so that formats
3074
# appear in chronological order and format descriptions can build
3076
format_registry = BzrDirFormatRegistry()
3077
format_registry.register('weave', BzrDirFormat6,
3078
'Pre-0.8 format. Slower than knit and does not'
3079
' support checkouts or shared repositories.',
3081
format_registry.register_metadir('metaweave',
3082
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
3083
'Transitional format in 0.8. Slower than knit.',
3084
branch_format='bzrlib.branch.BzrBranchFormat5',
3085
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
3087
format_registry.register_metadir('knit',
3088
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
3089
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
3090
branch_format='bzrlib.branch.BzrBranchFormat5',
3091
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
3093
format_registry.register_metadir('dirstate',
3094
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
3095
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
3096
'above when accessed over the network.',
3097
branch_format='bzrlib.branch.BzrBranchFormat5',
3098
# this uses bzrlib.workingtree.WorkingTreeFormat4 because importing
3099
# directly from workingtree_4 triggers a circular import.
3100
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3102
format_registry.register_metadir('dirstate-tags',
3103
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
3104
help='New in 0.15: Fast local operations and improved scaling for '
3105
'network operations. Additionally adds support for tags.'
3106
' Incompatible with bzr < 0.15.',
3107
branch_format='bzrlib.branch.BzrBranchFormat6',
3108
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3110
format_registry.register_metadir('rich-root',
3111
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
3112
help='New in 1.0. Better handling of tree roots. Incompatible with'
3114
branch_format='bzrlib.branch.BzrBranchFormat6',
3115
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3117
format_registry.register_metadir('dirstate-with-subtree',
3118
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
3119
help='New in 0.15: Fast local operations and improved scaling for '
3120
'network operations. Additionally adds support for versioning nested '
3121
'bzr branches. Incompatible with bzr < 0.15.',
3122
branch_format='bzrlib.branch.BzrBranchFormat6',
3123
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3127
format_registry.register_metadir('pack-0.92',
3128
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack1',
3129
help='New in 0.92: Pack-based format with data compatible with '
3130
'dirstate-tags format repositories. Interoperates with '
3131
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3132
'Previously called knitpack-experimental. '
3133
'For more information, see '
3134
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3135
branch_format='bzrlib.branch.BzrBranchFormat6',
3136
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3138
format_registry.register_metadir('pack-0.92-subtree',
3139
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack3',
3140
help='New in 0.92: Pack-based format with data compatible with '
3141
'dirstate-with-subtree format repositories. Interoperates with '
3142
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
3143
'Previously called knitpack-experimental. '
3144
'For more information, see '
3145
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
3146
branch_format='bzrlib.branch.BzrBranchFormat6',
3147
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3151
format_registry.register_metadir('rich-root-pack',
3152
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack4',
3153
help='New in 1.0: A variant of pack-0.92 that supports rich-root data '
3154
'(needed for bzr-svn).',
3155
branch_format='bzrlib.branch.BzrBranchFormat6',
3156
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3158
format_registry.register_metadir('1.6',
3159
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5',
3160
help='A format that allows a branch to indicate that there is another '
3161
'(stacked) repository that should be used to access data that is '
3162
'not present locally.',
3163
branch_format='bzrlib.branch.BzrBranchFormat7',
3164
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3166
format_registry.register_metadir('1.6.1-rich-root',
3167
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack5RichRoot',
3168
help='A variant of 1.6 that supports rich-root data '
3169
'(needed for bzr-svn).',
3170
branch_format='bzrlib.branch.BzrBranchFormat7',
3171
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3173
format_registry.register_metadir('1.9',
3174
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6',
3175
help='A repository format using B+tree indexes. These indexes '
3176
'are smaller in size, have smarter caching and provide faster '
3177
'performance for most operations.',
3178
branch_format='bzrlib.branch.BzrBranchFormat7',
3179
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3181
format_registry.register_metadir('1.9-rich-root',
3182
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6RichRoot',
3183
help='A variant of 1.9 that supports rich-root data '
3184
'(needed for bzr-svn).',
3185
branch_format='bzrlib.branch.BzrBranchFormat7',
3186
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3188
format_registry.register_metadir('development-wt5',
3189
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6',
3190
help='A working-tree format that supports views and content filtering.',
3191
branch_format='bzrlib.branch.BzrBranchFormat7',
3192
tree_format='bzrlib.workingtree.WorkingTreeFormat5',
3195
format_registry.register_metadir('development-wt5-rich-root',
3196
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack6RichRoot',
3197
help='A variant of development-wt5 that supports rich-root data '
3198
'(needed for bzr-svn).',
3199
branch_format='bzrlib.branch.BzrBranchFormat7',
3200
tree_format='bzrlib.workingtree.WorkingTreeFormat5',
3203
# The following two formats should always just be aliases.
3204
format_registry.register_metadir('development',
3205
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2',
3206
help='Current development format. Can convert data to and from pack-0.92 '
3207
'(and anything compatible with pack-0.92) format repositories. '
3208
'Repositories and branches in this format can only be read by bzr.dev. '
3210
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3212
branch_format='bzrlib.branch.BzrBranchFormat7',
3213
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3217
format_registry.register_metadir('development-subtree',
3218
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2Subtree',
3219
help='Current development format, subtree variant. Can convert data to and '
3220
'from pack-0.92-subtree (and anything compatible with '
3221
'pack-0.92-subtree) format repositories. Repositories and branches in '
3222
'this format can only be read by bzr.dev. Please read '
3223
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3225
branch_format='bzrlib.branch.BzrBranchFormat7',
3226
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3230
# And the development formats above will have aliased one of the following:
3231
format_registry.register_metadir('development2',
3232
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2',
3233
help='1.6.1 with B+Tree based index. '
3235
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3237
branch_format='bzrlib.branch.BzrBranchFormat7',
3238
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3242
format_registry.register_metadir('development2-subtree',
3243
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment2Subtree',
3244
help='1.6.1-subtree with B+Tree based index. '
3246
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
3248
branch_format='bzrlib.branch.BzrBranchFormat7',
3249
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
3253
# The current format that is made on 'bzr init'.
3254
format_registry.set_default('pack-0.92')
added
removed
bzrlib/bzrdir.py
