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# Copyright (C) 2005, 2006, 2007 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 cStringIO import StringIO
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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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from warnings import warn
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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.smart import protocol
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from bzrlib.store.revision.text import TextRevisionStore
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from bzrlib.store.text import TextStore
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from bzrlib.store.versioned import WeaveStore
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from bzrlib.transactions import WriteTransaction
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from bzrlib.transport import (
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do_catching_redirections,
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from bzrlib.weave import Weave
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from bzrlib.trace import (
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from bzrlib.transport.local import LocalTransport
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from bzrlib.symbol_versioning 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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def break_lock(self):
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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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"""Clone this bzrdir and its contents to url verbatim.
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If url's last component does not exist, it will be created.
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if revision_id is not None, then the clone operation may tune
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itself to download less data.
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:param 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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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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def clone_on_transport(self, transport, revision_id=None,
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force_new_repo=False):
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"""Clone this bzrdir and its contents to transport verbatim.
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If the target directory does not exist, it will be created.
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if revision_id is not None, then the clone operation may tune
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itself to download less data.
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:param 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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transport.ensure_base()
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result = self._format.initialize_on_transport(transport)
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local_repo = self.find_repository()
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except errors.NoRepositoryPresent:
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# may need to copy content in
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result_repo = local_repo.clone(
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revision_id=revision_id)
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result_repo.set_make_working_trees(local_repo.make_working_trees())
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result_repo = result.find_repository()
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# fetch content this dir needs.
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result_repo.fetch(local_repo, revision_id=revision_id)
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except errors.NoRepositoryPresent:
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# needed to make one anyway.
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result_repo = local_repo.clone(
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revision_id=revision_id)
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result_repo.set_make_working_trees(local_repo.make_working_trees())
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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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self.open_branch().clone(result, revision_id=revision_id)
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except errors.NotBranchError:
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result_repo = result.find_repository()
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except errors.NoRepositoryPresent:
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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 _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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return self.create_repository()
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return self.find_repository()
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except errors.NoRepositoryPresent:
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return self.create_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, 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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@deprecated_function(zero_ninetyone)
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def create_repository(base, shared=False, format=None):
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"""Create a new BzrDir and Repository at the url 'base'.
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If no format is supplied, this will default to the current default
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BzrDirFormat by default, and use whatever repository format that that
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uses for bzrdirformat.create_repository.
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:param shared: Create a shared repository rather than a standalone
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The Repository object is returned.
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This must be overridden as an instance method in child classes, where
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it should take no parameters and construct whatever repository format
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that child class desires.
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This method is deprecated, please call create_repository on a bzrdir
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bzrdir = BzrDir.create(base, format)
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return bzrdir.create_repository(shared)
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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, 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 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_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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return self.open_repository()
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except errors.NoRepositoryPresent:
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next_transport = self.root_transport.clone('..')
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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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raise errors.NoRepositoryPresent(self)
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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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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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if ((found_bzrdir.root_transport.base ==
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self.root_transport.base) or repository.is_shared()):
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raise errors.NoRepositoryPresent(self)
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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 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 __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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def is_control_filename(self, filename):
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"""True if filename is the name of a path which is reserved for bzrdir's.
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:param filename: A filename within the root transport of this bzrdir.
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This is true IF and ONLY IF the filename is part of the namespace reserved
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for bzr control dirs. Currently this is the '.bzr' directory in the root
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of the root_transport. it is expected that plugins will need to extend
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this in the future - for instance to make bzr talk with svn working
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# this might be better on the BzrDirFormat class because it refers to
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# all the possible bzrdir disk formats.
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# This method is tested via the workingtree is_control_filename tests-
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# it was extracted from WorkingTree.is_control_filename. If the method's
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# contract is extended beyond the current trivial implementation, please
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# add new tests for it to the appropriate place.
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return filename == '.bzr' or filename.startswith('.bzr/')
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def needs_format_conversion(self, format=None):
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"""Return true if this bzrdir needs convert_format run on it.
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For instance, if the repository format is out of date but the
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branch and working tree are not, this should return True.
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:param format: Optional parameter indicating a specific desired
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format we plan to arrive at.
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raise NotImplementedError(self.needs_format_conversion)
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def open_unsupported(base):
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"""Open a branch which is not supported."""
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return BzrDir.open(base, _unsupported=True)
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def open(base, _unsupported=False, possible_transports=None):
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"""Open an existing bzrdir, rooted at 'base' (url).
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:param _unsupported: a private parameter to the BzrDir class.
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t = get_transport(base, possible_transports=possible_transports)
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return BzrDir.open_from_transport(t, _unsupported=_unsupported)
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def open_from_transport(transport, _unsupported=False,
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_server_formats=True):
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"""Open a bzrdir within a particular directory.
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:param transport: Transport containing the bzrdir.
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:param _unsupported: private.
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base = transport.base
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def find_format(transport):
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return transport, BzrDirFormat.find_format(
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transport, _server_formats=_server_formats)
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def redirected(transport, e, redirection_notice):
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qualified_source = e.get_source_url()
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relpath = transport.relpath(qualified_source)
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if not e.target.endswith(relpath):
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# Not redirected to a branch-format, not a branch
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raise errors.NotBranchError(path=e.target)
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target = e.target[:-len(relpath)]
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note('%s is%s redirected to %s',
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transport.base, e.permanently, target)
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# Let's try with a new transport
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# FIXME: If 'transport' has a qualifier, this should
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# be applied again to the new transport *iff* the
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# schemes used are the same. Uncomment this code
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# once the function (and tests) exist.
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#target = urlutils.copy_url_qualifiers(original, target)
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return get_transport(target)
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transport, format = do_catching_redirections(find_format,
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except errors.TooManyRedirections:
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raise errors.NotBranchError(base)
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BzrDir._check_supported(format, _unsupported)
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return format.open(transport, _found=True)
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def open_branch(self, unsupported=False):
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"""Open the branch object at this BzrDir if one is present.
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If unsupported is True, then no longer supported branch formats can
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TODO: static convenience version of this?
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raise NotImplementedError(self.open_branch)
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def open_containing(url, possible_transports=None):
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"""Open an existing branch which contains url.
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:param url: url to search from.
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See open_containing_from_transport for more detail.
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transport = get_transport(url, possible_transports)
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return BzrDir.open_containing_from_transport(transport)
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def open_containing_from_transport(a_transport):
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"""Open an existing branch which contains a_transport.base.
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This probes for a branch at a_transport, and searches upwards from there.
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Basically we keep looking up until we find the control directory or
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run into the root. If there isn't one, raises NotBranchError.
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If there is one and it is either an unrecognised format or an unsupported
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format, UnknownFormatError or UnsupportedFormatError are raised.
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If there is one, it is returned, along with the unused portion of url.
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:return: The BzrDir that contains the path, and a Unicode path
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for the rest of the URL.
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# this gets the normalised url back. I.e. '.' -> the full path.
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url = a_transport.base
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result = BzrDir.open_from_transport(a_transport)
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return result, urlutils.unescape(a_transport.relpath(url))
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except errors.NotBranchError, e:
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new_t = a_transport.clone('..')
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except errors.InvalidURLJoin:
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# reached the root, whatever that may be
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raise errors.NotBranchError(path=url)
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if new_t.base == a_transport.base:
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# reached the root, whatever that may be
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raise errors.NotBranchError(path=url)
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def _get_tree_branch(self):
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"""Return the branch and tree, if any, for this bzrdir.
751
Return None for tree if not present or inaccessible.
752
Raise NotBranchError if no branch is present.
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:return: (tree, branch)
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tree = self.open_workingtree()
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except (errors.NoWorkingTree, errors.NotLocalUrl):
759
branch = self.open_branch()
765
def open_tree_or_branch(klass, location):
766
"""Return the branch and working tree at a location.
768
If there is no tree at the location, tree will be None.
769
If there is no branch at the location, an exception will be
771
:return: (tree, branch)
773
bzrdir = klass.open(location)
774
return bzrdir._get_tree_branch()
777
def open_containing_tree_or_branch(klass, location):
778
"""Return the branch and working tree contained by a location.
780
Returns (tree, branch, relpath).
781
If there is no tree at containing the location, tree will be None.
782
If there is no branch containing the location, an exception will be
784
relpath is the portion of the path that is contained by the branch.
786
bzrdir, relpath = klass.open_containing(location)
787
tree, branch = bzrdir._get_tree_branch()
788
return tree, branch, relpath
790
def open_repository(self, _unsupported=False):
791
"""Open the repository object at this BzrDir if one is present.
793
This will not follow the Branch object pointer - it's strictly a direct
794
open facility. Most client code should use open_branch().repository to
797
:param _unsupported: a private parameter, not part of the api.
798
TODO: static convenience version of this?
800
raise NotImplementedError(self.open_repository)
802
def open_workingtree(self, _unsupported=False,
803
recommend_upgrade=True, from_branch=None):
804
"""Open the workingtree object at this BzrDir if one is present.
806
:param recommend_upgrade: Optional keyword parameter, when True (the
807
default), emit through the ui module a recommendation that the user
808
upgrade the working tree when the workingtree being opened is old
809
(but still fully supported).
810
:param from_branch: override bzrdir branch (for lightweight checkouts)
812
raise NotImplementedError(self.open_workingtree)
814
def has_branch(self):
815
"""Tell if this bzrdir contains a branch.
817
Note: if you're going to open the branch, you should just go ahead
818
and try, and not ask permission first. (This method just opens the
819
branch and discards it, and that's somewhat expensive.)
824
except errors.NotBranchError:
827
def has_workingtree(self):
828
"""Tell if this bzrdir contains a working tree.
830
This will still raise an exception if the bzrdir has a workingtree that
831
is remote & inaccessible.
833
Note: if you're going to open the working tree, you should just go ahead
834
and try, and not ask permission first. (This method just opens the
835
workingtree and discards it, and that's somewhat expensive.)
838
self.open_workingtree(recommend_upgrade=False)
840
except errors.NoWorkingTree:
843
def _cloning_metadir(self):
844
"""Produce a metadir suitable for cloning with."""
845
result_format = self._format.__class__()
848
branch = self.open_branch()
849
source_repository = branch.repository
850
except errors.NotBranchError:
852
source_repository = self.open_repository()
853
except errors.NoRepositoryPresent:
854
source_repository = None
856
# XXX TODO: This isinstance is here because we have not implemented
857
# the fix recommended in bug # 103195 - to delegate this choice the
859
repo_format = source_repository._format
860
if not isinstance(repo_format, remote.RemoteRepositoryFormat):
861
result_format.repository_format = repo_format
863
# TODO: Couldn't we just probe for the format in these cases,
864
# rather than opening the whole tree? It would be a little
865
# faster. mbp 20070401
866
tree = self.open_workingtree(recommend_upgrade=False)
867
except (errors.NoWorkingTree, errors.NotLocalUrl):
868
result_format.workingtree_format = None
870
result_format.workingtree_format = tree._format.__class__()
871
return result_format, source_repository
873
def cloning_metadir(self):
874
"""Produce a metadir suitable for cloning or sprouting with.
876
These operations may produce workingtrees (yes, even though they're
877
"cloning" something that doesn't have a tree), so a viable workingtree
878
format must be selected.
880
format, repository = self._cloning_metadir()
881
if format._workingtree_format is None:
882
if repository is None:
884
tree_format = repository._format._matchingbzrdir.workingtree_format
885
format.workingtree_format = tree_format.__class__()
888
def checkout_metadir(self):
889
return self.cloning_metadir()
891
def sprout(self, url, revision_id=None, force_new_repo=False,
892
recurse='down', possible_transports=None,
893
accelerator_tree=None, hardlink=False):
894
"""Create a copy of this bzrdir prepared for use as a new line of
897
If url's last component does not exist, it will be created.
899
Attributes related to the identity of the source branch like
900
branch nickname will be cleaned, a working tree is created
901
whether one existed before or not; and a local branch is always
904
if revision_id is not None, then the clone operation may tune
905
itself to download less data.
906
:param accelerator_tree: A tree which can be used for retrieving file
907
contents more quickly than the revision tree, i.e. a workingtree.
908
The revision tree will be used for cases where accelerator_tree's
909
content is different.
910
:param hardlink: If true, hard-link files from accelerator_tree,
913
target_transport = get_transport(url, possible_transports)
914
target_transport.ensure_base()
915
cloning_format = self.cloning_metadir()
916
result = cloning_format.initialize_on_transport(target_transport)
918
source_branch = self.open_branch()
919
source_repository = source_branch.repository
920
except errors.NotBranchError:
923
source_repository = self.open_repository()
924
except errors.NoRepositoryPresent:
925
source_repository = None
930
result_repo = result.find_repository()
931
except errors.NoRepositoryPresent:
933
if source_repository is None and result_repo is not None:
935
elif source_repository is None and result_repo is None:
936
# no repo available, make a new one
937
result.create_repository()
938
elif source_repository is not None and result_repo is None:
939
# have source, and want to make a new target repo
940
result_repo = source_repository.sprout(result,
941
revision_id=revision_id)
943
# fetch needed content into target.
944
if source_repository is not None:
946
# source_repository.copy_content_into(result_repo,
947
# revision_id=revision_id)
948
# so we can override the copy method
949
result_repo.fetch(source_repository, revision_id=revision_id)
950
if source_branch is not None:
951
source_branch.sprout(result, revision_id=revision_id)
953
result.create_branch()
954
if isinstance(target_transport, LocalTransport) and (
955
result_repo is None or result_repo.make_working_trees()):
956
wt = result.create_workingtree(accelerator_tree=accelerator_tree,
960
if wt.path2id('') is None:
962
wt.set_root_id(self.open_workingtree.get_root_id())
963
except errors.NoWorkingTree:
969
if recurse == 'down':
971
basis = wt.basis_tree()
973
subtrees = basis.iter_references()
974
recurse_branch = wt.branch
975
elif source_branch is not None:
976
basis = source_branch.basis_tree()
978
subtrees = basis.iter_references()
979
recurse_branch = source_branch
984
for path, file_id in subtrees:
985
target = urlutils.join(url, urlutils.escape(path))
986
sublocation = source_branch.reference_parent(file_id, path)
987
sublocation.bzrdir.sprout(target,
988
basis.get_reference_revision(file_id, path),
989
force_new_repo=force_new_repo, recurse=recurse)
991
if basis is not None:
996
class BzrDirPreSplitOut(BzrDir):
997
"""A common class for the all-in-one formats."""
999
def __init__(self, _transport, _format):
1000
"""See BzrDir.__init__."""
1001
super(BzrDirPreSplitOut, self).__init__(_transport, _format)
1002
assert self._format._lock_class == lockable_files.TransportLock
1003
assert self._format._lock_file_name == 'branch-lock'
1004
self._control_files = lockable_files.LockableFiles(
1005
self.get_branch_transport(None),
1006
self._format._lock_file_name,
1007
self._format._lock_class)
1009
def break_lock(self):
1010
"""Pre-splitout bzrdirs do not suffer from stale locks."""
1011
raise NotImplementedError(self.break_lock)
1013
def clone(self, url, revision_id=None, force_new_repo=False):
1014
"""See BzrDir.clone()."""
1015
from bzrlib.workingtree import WorkingTreeFormat2
1016
self._make_tail(url)
1017
result = self._format._initialize_for_clone(url)
1018
self.open_repository().clone(result, revision_id=revision_id)
1019
from_branch = self.open_branch()
1020
from_branch.clone(result, revision_id=revision_id)
1022
self.open_workingtree().clone(result)
1023
except errors.NotLocalUrl:
1024
# make a new one, this format always has to have one.
1026
WorkingTreeFormat2().initialize(result)
1027
except errors.NotLocalUrl:
1028
# but we cannot do it for remote trees.
1029
to_branch = result.open_branch()
1030
WorkingTreeFormat2().stub_initialize_remote(to_branch.control_files)
1033
def create_branch(self):
1034
"""See BzrDir.create_branch."""
1035
return self.open_branch()
1037
def destroy_branch(self):
1038
"""See BzrDir.destroy_branch."""
1039
raise errors.UnsupportedOperation(self.destroy_branch, self)
1041
def create_repository(self, shared=False):
1042
"""See BzrDir.create_repository."""
1044
raise errors.IncompatibleFormat('shared repository', self._format)
1045
return self.open_repository()
1047
def destroy_repository(self):
1048
"""See BzrDir.destroy_repository."""
1049
raise errors.UnsupportedOperation(self.destroy_repository, self)
1051
def create_workingtree(self, revision_id=None, from_branch=None,
1052
accelerator_tree=None, hardlink=False):
1053
"""See BzrDir.create_workingtree."""
1054
# this looks buggy but is not -really-
1055
# because this format creates the workingtree when the bzrdir is
1057
# clone and sprout will have set the revision_id
1058
# and that will have set it for us, its only
1059
# specific uses of create_workingtree in isolation
1060
# that can do wonky stuff here, and that only
1061
# happens for creating checkouts, which cannot be
1062
# done on this format anyway. So - acceptable wart.
1063
result = self.open_workingtree(recommend_upgrade=False)
1064
if revision_id is not None:
1065
if revision_id == _mod_revision.NULL_REVISION:
1066
result.set_parent_ids([])
1068
result.set_parent_ids([revision_id])
1071
def destroy_workingtree(self):
1072
"""See BzrDir.destroy_workingtree."""
1073
raise errors.UnsupportedOperation(self.destroy_workingtree, self)
1075
def destroy_workingtree_metadata(self):
1076
"""See BzrDir.destroy_workingtree_metadata."""
1077
raise errors.UnsupportedOperation(self.destroy_workingtree_metadata,
1080
def get_branch_transport(self, branch_format):
1081
"""See BzrDir.get_branch_transport()."""
1082
if branch_format is None:
1083
return self.transport
1085
branch_format.get_format_string()
1086
except NotImplementedError:
1087
return self.transport
1088
raise errors.IncompatibleFormat(branch_format, self._format)
1090
def get_repository_transport(self, repository_format):
1091
"""See BzrDir.get_repository_transport()."""
1092
if repository_format is None:
1093
return self.transport
1095
repository_format.get_format_string()
1096
except NotImplementedError:
1097
return self.transport
1098
raise errors.IncompatibleFormat(repository_format, self._format)
1100
def get_workingtree_transport(self, workingtree_format):
1101
"""See BzrDir.get_workingtree_transport()."""
1102
if workingtree_format is None:
1103
return self.transport
1105
workingtree_format.get_format_string()
1106
except NotImplementedError:
1107
return self.transport
1108
raise errors.IncompatibleFormat(workingtree_format, self._format)
1110
def needs_format_conversion(self, format=None):
1111
"""See BzrDir.needs_format_conversion()."""
1112
# if the format is not the same as the system default,
1113
# an upgrade is needed.
1115
format = BzrDirFormat.get_default_format()
1116
return not isinstance(self._format, format.__class__)
1118
def open_branch(self, unsupported=False):
1119
"""See BzrDir.open_branch."""
1120
from bzrlib.branch import BzrBranchFormat4
1121
format = BzrBranchFormat4()
1122
self._check_supported(format, unsupported)
1123
return format.open(self, _found=True)
1125
def sprout(self, url, revision_id=None, force_new_repo=False,
1126
possible_transports=None, accelerator_tree=None,
1128
"""See BzrDir.sprout()."""
1129
from bzrlib.workingtree import WorkingTreeFormat2
1130
self._make_tail(url)
1131
result = self._format._initialize_for_clone(url)
1133
self.open_repository().clone(result, revision_id=revision_id)
1134
except errors.NoRepositoryPresent:
1137
self.open_branch().sprout(result, revision_id=revision_id)
1138
except errors.NotBranchError:
1140
# we always want a working tree
1141
WorkingTreeFormat2().initialize(result,
1142
accelerator_tree=accelerator_tree,
1147
class BzrDir4(BzrDirPreSplitOut):
1148
"""A .bzr version 4 control object.
1150
This is a deprecated format and may be removed after sept 2006.
1153
def create_repository(self, shared=False):
1154
"""See BzrDir.create_repository."""
1155
return self._format.repository_format.initialize(self, shared)
1157
def needs_format_conversion(self, format=None):
1158
"""Format 4 dirs are always in need of conversion."""
1161
def open_repository(self):
1162
"""See BzrDir.open_repository."""
1163
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1164
return RepositoryFormat4().open(self, _found=True)
1167
class BzrDir5(BzrDirPreSplitOut):
1168
"""A .bzr version 5 control object.
1170
This is a deprecated format and may be removed after sept 2006.
1173
def open_repository(self):
1174
"""See BzrDir.open_repository."""
1175
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1176
return RepositoryFormat5().open(self, _found=True)
1178
def open_workingtree(self, _unsupported=False,
1179
recommend_upgrade=True):
1180
"""See BzrDir.create_workingtree."""
1181
from bzrlib.workingtree import WorkingTreeFormat2
1182
wt_format = WorkingTreeFormat2()
1183
# we don't warn here about upgrades; that ought to be handled for the
1185
return wt_format.open(self, _found=True)
1188
class BzrDir6(BzrDirPreSplitOut):
1189
"""A .bzr version 6 control object.
1191
This is a deprecated format and may be removed after sept 2006.
1194
def open_repository(self):
1195
"""See BzrDir.open_repository."""
1196
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1197
return RepositoryFormat6().open(self, _found=True)
1199
def open_workingtree(self, _unsupported=False,
1200
recommend_upgrade=True):
1201
"""See BzrDir.create_workingtree."""
1202
# we don't warn here about upgrades; that ought to be handled for the
1204
from bzrlib.workingtree import WorkingTreeFormat2
1205
return WorkingTreeFormat2().open(self, _found=True)
1208
class BzrDirMeta1(BzrDir):
1209
"""A .bzr meta version 1 control object.
1211
This is the first control object where the
1212
individual aspects are really split out: there are separate repository,
1213
workingtree and branch subdirectories and any subset of the three can be
1214
present within a BzrDir.
1217
def can_convert_format(self):
1218
"""See BzrDir.can_convert_format()."""
1221
def create_branch(self):
1222
"""See BzrDir.create_branch."""
1223
return self._format.get_branch_format().initialize(self)
1225
def destroy_branch(self):
1226
"""See BzrDir.create_branch."""
1227
self.transport.delete_tree('branch')
1229
def create_repository(self, shared=False):
1230
"""See BzrDir.create_repository."""
1231
return self._format.repository_format.initialize(self, shared)
1233
def destroy_repository(self):
1234
"""See BzrDir.destroy_repository."""
1235
self.transport.delete_tree('repository')
1237
def create_workingtree(self, revision_id=None, from_branch=None,
1238
accelerator_tree=None, hardlink=False):
1239
"""See BzrDir.create_workingtree."""
1240
return self._format.workingtree_format.initialize(
1241
self, revision_id, from_branch=from_branch,
1242
accelerator_tree=accelerator_tree, hardlink=hardlink)
1244
def destroy_workingtree(self):
1245
"""See BzrDir.destroy_workingtree."""
1246
wt = self.open_workingtree(recommend_upgrade=False)
1247
repository = wt.branch.repository
1248
empty = repository.revision_tree(_mod_revision.NULL_REVISION)
1249
wt.revert(old_tree=empty)
1250
self.destroy_workingtree_metadata()
1252
def destroy_workingtree_metadata(self):
1253
self.transport.delete_tree('checkout')
1255
def find_branch_format(self):
1256
"""Find the branch 'format' for this bzrdir.
1258
This might be a synthetic object for e.g. RemoteBranch and SVN.
1260
from bzrlib.branch import BranchFormat
1261
return BranchFormat.find_format(self)
1263
def _get_mkdir_mode(self):
1264
"""Figure out the mode to use when creating a bzrdir subdir."""
1265
temp_control = lockable_files.LockableFiles(self.transport, '',
1266
lockable_files.TransportLock)
1267
return temp_control._dir_mode
1269
def get_branch_reference(self):
1270
"""See BzrDir.get_branch_reference()."""
1271
from bzrlib.branch import BranchFormat
1272
format = BranchFormat.find_format(self)
1273
return format.get_reference(self)
1275
def get_branch_transport(self, branch_format):
1276
"""See BzrDir.get_branch_transport()."""
1277
if branch_format is None:
1278
return self.transport.clone('branch')
1280
branch_format.get_format_string()
1281
except NotImplementedError:
1282
raise errors.IncompatibleFormat(branch_format, self._format)
1284
self.transport.mkdir('branch', mode=self._get_mkdir_mode())
1285
except errors.FileExists:
1287
return self.transport.clone('branch')
1289
def get_repository_transport(self, repository_format):
1290
"""See BzrDir.get_repository_transport()."""
1291
if repository_format is None:
1292
return self.transport.clone('repository')
1294
repository_format.get_format_string()
1295
except NotImplementedError:
1296
raise errors.IncompatibleFormat(repository_format, self._format)
1298
self.transport.mkdir('repository', mode=self._get_mkdir_mode())
1299
except errors.FileExists:
1301
return self.transport.clone('repository')
1303
def get_workingtree_transport(self, workingtree_format):
1304
"""See BzrDir.get_workingtree_transport()."""
1305
if workingtree_format is None:
1306
return self.transport.clone('checkout')
1308
workingtree_format.get_format_string()
1309
except NotImplementedError:
1310
raise errors.IncompatibleFormat(workingtree_format, self._format)
1312
self.transport.mkdir('checkout', mode=self._get_mkdir_mode())
1313
except errors.FileExists:
1315
return self.transport.clone('checkout')
1317
def needs_format_conversion(self, format=None):
1318
"""See BzrDir.needs_format_conversion()."""
1320
format = BzrDirFormat.get_default_format()
1321
if not isinstance(self._format, format.__class__):
1322
# it is not a meta dir format, conversion is needed.
1324
# we might want to push this down to the repository?
1326
if not isinstance(self.open_repository()._format,
1327
format.repository_format.__class__):
1328
# the repository needs an upgrade.
1330
except errors.NoRepositoryPresent:
1333
if not isinstance(self.open_branch()._format,
1334
format.get_branch_format().__class__):
1335
# the branch needs an upgrade.
1337
except errors.NotBranchError:
1340
my_wt = self.open_workingtree(recommend_upgrade=False)
1341
if not isinstance(my_wt._format,
1342
format.workingtree_format.__class__):
1343
# the workingtree needs an upgrade.
1345
except (errors.NoWorkingTree, errors.NotLocalUrl):
1349
def open_branch(self, unsupported=False):
1350
"""See BzrDir.open_branch."""
1351
format = self.find_branch_format()
1352
self._check_supported(format, unsupported)
1353
return format.open(self, _found=True)
1355
def open_repository(self, unsupported=False):
1356
"""See BzrDir.open_repository."""
1357
from bzrlib.repository import RepositoryFormat
1358
format = RepositoryFormat.find_format(self)
1359
self._check_supported(format, unsupported)
1360
return format.open(self, _found=True)
1362
def open_workingtree(self, unsupported=False,
1363
recommend_upgrade=True):
1364
"""See BzrDir.open_workingtree."""
1365
from bzrlib.workingtree import WorkingTreeFormat
1366
format = WorkingTreeFormat.find_format(self)
1367
self._check_supported(format, unsupported,
1369
basedir=self.root_transport.base)
1370
return format.open(self, _found=True)
1373
class BzrDirFormat(object):
1374
"""An encapsulation of the initialization and open routines for a format.
1376
Formats provide three things:
1377
* An initialization routine,
1381
Formats are placed in a dict by their format string for reference
1382
during bzrdir opening. These should be subclasses of BzrDirFormat
1385
Once a format is deprecated, just deprecate the initialize and open
1386
methods on the format class. Do not deprecate the object, as the
1387
object will be created every system load.
1390
_default_format = None
1391
"""The default format used for new .bzr dirs."""
1394
"""The known formats."""
1396
_control_formats = []
1397
"""The registered control formats - .bzr, ....
1399
This is a list of BzrDirFormat objects.
1402
_control_server_formats = []
1403
"""The registered control server formats, e.g. RemoteBzrDirs.
1405
This is a list of BzrDirFormat objects.
1408
_lock_file_name = 'branch-lock'
1410
# _lock_class must be set in subclasses to the lock type, typ.
1411
# TransportLock or LockDir
1414
def find_format(klass, transport, _server_formats=True):
1415
"""Return the format present at transport."""
1417
formats = klass._control_server_formats + klass._control_formats
1419
formats = klass._control_formats
1420
for format in formats:
1422
return format.probe_transport(transport)
1423
except errors.NotBranchError:
1424
# this format does not find a control dir here.
1426
raise errors.NotBranchError(path=transport.base)
1429
def probe_transport(klass, transport):
1430
"""Return the .bzrdir style format present in a directory."""
1432
format_string = transport.get(".bzr/branch-format").read()
1433
except errors.NoSuchFile:
1434
raise errors.NotBranchError(path=transport.base)
1437
return klass._formats[format_string]
1439
raise errors.UnknownFormatError(format=format_string)
1442
def get_default_format(klass):
1443
"""Return the current default format."""
1444
return klass._default_format
1446
def get_format_string(self):
1447
"""Return the ASCII format string that identifies this format."""
1448
raise NotImplementedError(self.get_format_string)
1450
def get_format_description(self):
1451
"""Return the short description for this format."""
1452
raise NotImplementedError(self.get_format_description)
1454
def get_converter(self, format=None):
1455
"""Return the converter to use to convert bzrdirs needing converts.
1457
This returns a bzrlib.bzrdir.Converter object.
1459
This should return the best upgrader to step this format towards the
1460
current default format. In the case of plugins we can/should provide
1461
some means for them to extend the range of returnable converters.
1463
:param format: Optional format to override the default format of the
1466
raise NotImplementedError(self.get_converter)
1468
def initialize(self, url, possible_transports=None):
1469
"""Create a bzr control dir at this url and return an opened copy.
1471
Subclasses should typically override initialize_on_transport
1472
instead of this method.
1474
return self.initialize_on_transport(get_transport(url,
1475
possible_transports))
1477
def initialize_on_transport(self, transport):
1478
"""Initialize a new bzrdir in the base directory of a Transport."""
1479
# Since we don't have a .bzr directory, inherit the
1480
# mode from the root directory
1481
temp_control = lockable_files.LockableFiles(transport,
1482
'', lockable_files.TransportLock)
1483
temp_control._transport.mkdir('.bzr',
1484
# FIXME: RBC 20060121 don't peek under
1486
mode=temp_control._dir_mode)
1487
if sys.platform == 'win32' and isinstance(transport, LocalTransport):
1488
win32utils.set_file_attr_hidden(transport._abspath('.bzr'))
1489
file_mode = temp_control._file_mode
1491
mutter('created control directory in ' + transport.base)
1492
control = transport.clone('.bzr')
1493
utf8_files = [('README',
1494
"This is a Bazaar-NG control directory.\n"
1495
"Do not change any files in this directory.\n"),
1496
('branch-format', self.get_format_string()),
1498
# NB: no need to escape relative paths that are url safe.
1499
control_files = lockable_files.LockableFiles(control,
1500
self._lock_file_name, self._lock_class)
1501
control_files.create_lock()
1502
control_files.lock_write()
1504
for file, content in utf8_files:
1505
control_files.put_utf8(file, content)
1507
control_files.unlock()
1508
return self.open(transport, _found=True)
1510
def is_supported(self):
1511
"""Is this format supported?
1513
Supported formats must be initializable and openable.
1514
Unsupported formats may not support initialization or committing or
1515
some other features depending on the reason for not being supported.
1519
def same_model(self, target_format):
1520
return (self.repository_format.rich_root_data ==
1521
target_format.rich_root_data)
1524
def known_formats(klass):
1525
"""Return all the known formats.
1527
Concrete formats should override _known_formats.
1529
# There is double indirection here to make sure that control
1530
# formats used by more than one dir format will only be probed
1531
# once. This can otherwise be quite expensive for remote connections.
1533
for format in klass._control_formats:
1534
result.update(format._known_formats())
1538
def _known_formats(klass):
1539
"""Return the known format instances for this control format."""
1540
return set(klass._formats.values())
1542
def open(self, transport, _found=False):
1543
"""Return an instance of this format for the dir transport points at.
1545
_found is a private parameter, do not use it.
1548
found_format = BzrDirFormat.find_format(transport)
1549
if not isinstance(found_format, self.__class__):
1550
raise AssertionError("%s was asked to open %s, but it seems to need "
1552
% (self, transport, found_format))
1553
return self._open(transport)
1555
def _open(self, transport):
1556
"""Template method helper for opening BzrDirectories.
1558
This performs the actual open and any additional logic or parameter
1561
raise NotImplementedError(self._open)
1564
def register_format(klass, format):
1565
klass._formats[format.get_format_string()] = format
1568
def register_control_format(klass, format):
1569
"""Register a format that does not use '.bzr' for its control dir.
1571
TODO: This should be pulled up into a 'ControlDirFormat' base class
1572
which BzrDirFormat can inherit from, and renamed to register_format
1573
there. It has been done without that for now for simplicity of
1576
klass._control_formats.append(format)
1579
def register_control_server_format(klass, format):
1580
"""Register a control format for client-server environments.
1582
These formats will be tried before ones registered with
1583
register_control_format. This gives implementations that decide to the
1584
chance to grab it before anything looks at the contents of the format
1587
klass._control_server_formats.append(format)
1590
@symbol_versioning.deprecated_method(symbol_versioning.zero_fourteen)
1591
def set_default_format(klass, format):
1592
klass._set_default_format(format)
1595
def _set_default_format(klass, format):
1596
"""Set default format (for testing behavior of defaults only)"""
1597
klass._default_format = format
1601
return self.get_format_string().rstrip()
1604
def unregister_format(klass, format):
1605
assert klass._formats[format.get_format_string()] is format
1606
del klass._formats[format.get_format_string()]
1609
def unregister_control_format(klass, format):
1610
klass._control_formats.remove(format)
1613
class BzrDirFormat4(BzrDirFormat):
1614
"""Bzr dir format 4.
1616
This format is a combined format for working tree, branch and repository.
1618
- Format 1 working trees [always]
1619
- Format 4 branches [always]
1620
- Format 4 repositories [always]
1622
This format is deprecated: it indexes texts using a text it which is
1623
removed in format 5; write support for this format has been removed.
1626
_lock_class = lockable_files.TransportLock
1628
def get_format_string(self):
1629
"""See BzrDirFormat.get_format_string()."""
1630
return "Bazaar-NG branch, format 0.0.4\n"
1632
def get_format_description(self):
1633
"""See BzrDirFormat.get_format_description()."""
1634
return "All-in-one format 4"
1636
def get_converter(self, format=None):
1637
"""See BzrDirFormat.get_converter()."""
1638
# there is one and only one upgrade path here.
1639
return ConvertBzrDir4To5()
1641
def initialize_on_transport(self, transport):
1642
"""Format 4 branches cannot be created."""
1643
raise errors.UninitializableFormat(self)
1645
def is_supported(self):
1646
"""Format 4 is not supported.
1648
It is not supported because the model changed from 4 to 5 and the
1649
conversion logic is expensive - so doing it on the fly was not
1654
def _open(self, transport):
1655
"""See BzrDirFormat._open."""
1656
return BzrDir4(transport, self)
1658
def __return_repository_format(self):
1659
"""Circular import protection."""
1660
from bzrlib.repofmt.weaverepo import RepositoryFormat4
1661
return RepositoryFormat4()
1662
repository_format = property(__return_repository_format)
1665
class BzrDirFormat5(BzrDirFormat):
1666
"""Bzr control format 5.
1668
This format is a combined format for working tree, branch and repository.
1670
- Format 2 working trees [always]
1671
- Format 4 branches [always]
1672
- Format 5 repositories [always]
1673
Unhashed stores in the repository.
1676
_lock_class = lockable_files.TransportLock
1678
def get_format_string(self):
1679
"""See BzrDirFormat.get_format_string()."""
1680
return "Bazaar-NG branch, format 5\n"
1682
def get_format_description(self):
1683
"""See BzrDirFormat.get_format_description()."""
1684
return "All-in-one format 5"
1686
def get_converter(self, format=None):
1687
"""See BzrDirFormat.get_converter()."""
1688
# there is one and only one upgrade path here.
1689
return ConvertBzrDir5To6()
1691
def _initialize_for_clone(self, url):
1692
return self.initialize_on_transport(get_transport(url), _cloning=True)
1694
def initialize_on_transport(self, transport, _cloning=False):
1695
"""Format 5 dirs always have working tree, branch and repository.
1697
Except when they are being cloned.
1699
from bzrlib.branch import BzrBranchFormat4
1700
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1701
from bzrlib.workingtree import WorkingTreeFormat2
1702
result = (super(BzrDirFormat5, self).initialize_on_transport(transport))
1703
RepositoryFormat5().initialize(result, _internal=True)
1705
branch = BzrBranchFormat4().initialize(result)
1707
WorkingTreeFormat2().initialize(result)
1708
except errors.NotLocalUrl:
1709
# Even though we can't access the working tree, we need to
1710
# create its control files.
1711
WorkingTreeFormat2().stub_initialize_remote(branch.control_files)
1714
def _open(self, transport):
1715
"""See BzrDirFormat._open."""
1716
return BzrDir5(transport, self)
1718
def __return_repository_format(self):
1719
"""Circular import protection."""
1720
from bzrlib.repofmt.weaverepo import RepositoryFormat5
1721
return RepositoryFormat5()
1722
repository_format = property(__return_repository_format)
1725
class BzrDirFormat6(BzrDirFormat):
1726
"""Bzr control format 6.
1728
This format is a combined format for working tree, branch and repository.
1730
- Format 2 working trees [always]
1731
- Format 4 branches [always]
1732
- Format 6 repositories [always]
1735
_lock_class = lockable_files.TransportLock
1737
def get_format_string(self):
1738
"""See BzrDirFormat.get_format_string()."""
1739
return "Bazaar-NG branch, format 6\n"
1741
def get_format_description(self):
1742
"""See BzrDirFormat.get_format_description()."""
1743
return "All-in-one format 6"
1745
def get_converter(self, format=None):
1746
"""See BzrDirFormat.get_converter()."""
1747
# there is one and only one upgrade path here.
1748
return ConvertBzrDir6ToMeta()
1750
def _initialize_for_clone(self, url):
1751
return self.initialize_on_transport(get_transport(url), _cloning=True)
1753
def initialize_on_transport(self, transport, _cloning=False):
1754
"""Format 6 dirs always have working tree, branch and repository.
1756
Except when they are being cloned.
1758
from bzrlib.branch import BzrBranchFormat4
1759
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1760
from bzrlib.workingtree import WorkingTreeFormat2
1761
result = super(BzrDirFormat6, self).initialize_on_transport(transport)
1762
RepositoryFormat6().initialize(result, _internal=True)
1764
branch = BzrBranchFormat4().initialize(result)
1766
WorkingTreeFormat2().initialize(result)
1767
except errors.NotLocalUrl:
1768
# Even though we can't access the working tree, we need to
1769
# create its control files.
1770
WorkingTreeFormat2().stub_initialize_remote(branch.control_files)
1773
def _open(self, transport):
1774
"""See BzrDirFormat._open."""
1775
return BzrDir6(transport, self)
1777
def __return_repository_format(self):
1778
"""Circular import protection."""
1779
from bzrlib.repofmt.weaverepo import RepositoryFormat6
1780
return RepositoryFormat6()
1781
repository_format = property(__return_repository_format)
1784
class BzrDirMetaFormat1(BzrDirFormat):
1785
"""Bzr meta control format 1
1787
This is the first format with split out working tree, branch and repository
1790
- Format 3 working trees [optional]
1791
- Format 5 branches [optional]
1792
- Format 7 repositories [optional]
1795
_lock_class = lockdir.LockDir
1798
self._workingtree_format = None
1799
self._branch_format = None
1801
def __eq__(self, other):
1802
if other.__class__ is not self.__class__:
1804
if other.repository_format != self.repository_format:
1806
if other.workingtree_format != self.workingtree_format:
1810
def __ne__(self, other):
1811
return not self == other
1813
def get_branch_format(self):
1814
if self._branch_format is None:
1815
from bzrlib.branch import BranchFormat
1816
self._branch_format = BranchFormat.get_default_format()
1817
return self._branch_format
1819
def set_branch_format(self, format):
1820
self._branch_format = format
1822
def get_converter(self, format=None):
1823
"""See BzrDirFormat.get_converter()."""
1825
format = BzrDirFormat.get_default_format()
1826
if not isinstance(self, format.__class__):
1827
# converting away from metadir is not implemented
1828
raise NotImplementedError(self.get_converter)
1829
return ConvertMetaToMeta(format)
1831
def get_format_string(self):
1832
"""See BzrDirFormat.get_format_string()."""
1833
return "Bazaar-NG meta directory, format 1\n"
1835
def get_format_description(self):
1836
"""See BzrDirFormat.get_format_description()."""
1837
return "Meta directory format 1"
1839
def _open(self, transport):
1840
"""See BzrDirFormat._open."""
1841
return BzrDirMeta1(transport, self)
1843
def __return_repository_format(self):
1844
"""Circular import protection."""
1845
if getattr(self, '_repository_format', None):
1846
return self._repository_format
1847
from bzrlib.repository import RepositoryFormat
1848
return RepositoryFormat.get_default_format()
1850
def __set_repository_format(self, value):
1851
"""Allow changing the repository format for metadir formats."""
1852
self._repository_format = value
1854
repository_format = property(__return_repository_format, __set_repository_format)
1856
def __get_workingtree_format(self):
1857
if self._workingtree_format is None:
1858
from bzrlib.workingtree import WorkingTreeFormat
1859
self._workingtree_format = WorkingTreeFormat.get_default_format()
1860
return self._workingtree_format
1862
def __set_workingtree_format(self, wt_format):
1863
self._workingtree_format = wt_format
1865
workingtree_format = property(__get_workingtree_format,
1866
__set_workingtree_format)
1869
# Register bzr control format
1870
BzrDirFormat.register_control_format(BzrDirFormat)
1872
# Register bzr formats
1873
BzrDirFormat.register_format(BzrDirFormat4())
1874
BzrDirFormat.register_format(BzrDirFormat5())
1875
BzrDirFormat.register_format(BzrDirFormat6())
1876
__default_format = BzrDirMetaFormat1()
1877
BzrDirFormat.register_format(__default_format)
1878
BzrDirFormat._default_format = __default_format
1881
class Converter(object):
1882
"""Converts a disk format object from one format to another."""
1884
def convert(self, to_convert, pb):
1885
"""Perform the conversion of to_convert, giving feedback via pb.
1887
:param to_convert: The disk object to convert.
1888
:param pb: a progress bar to use for progress information.
1891
def step(self, message):
1892
"""Update the pb by a step."""
1894
self.pb.update(message, self.count, self.total)
1897
class ConvertBzrDir4To5(Converter):
1898
"""Converts format 4 bzr dirs to format 5."""
1901
super(ConvertBzrDir4To5, self).__init__()
1902
self.converted_revs = set()
1903
self.absent_revisions = set()
1907
def convert(self, to_convert, pb):
1908
"""See Converter.convert()."""
1909
self.bzrdir = to_convert
1911
self.pb.note('starting upgrade from format 4 to 5')
1912
if isinstance(self.bzrdir.transport, LocalTransport):
1913
self.bzrdir.get_workingtree_transport(None).delete('stat-cache')
1914
self._convert_to_weaves()
1915
return BzrDir.open(self.bzrdir.root_transport.base)
1917
def _convert_to_weaves(self):
1918
self.pb.note('note: upgrade may be faster if all store files are ungzipped first')
1921
stat = self.bzrdir.transport.stat('weaves')
1922
if not S_ISDIR(stat.st_mode):
1923
self.bzrdir.transport.delete('weaves')
1924
self.bzrdir.transport.mkdir('weaves')
1925
except errors.NoSuchFile:
1926
self.bzrdir.transport.mkdir('weaves')
1927
# deliberately not a WeaveFile as we want to build it up slowly.
1928
self.inv_weave = Weave('inventory')
1929
# holds in-memory weaves for all files
1930
self.text_weaves = {}
1931
self.bzrdir.transport.delete('branch-format')
1932
self.branch = self.bzrdir.open_branch()
1933
self._convert_working_inv()
1934
rev_history = self.branch.revision_history()
1935
# to_read is a stack holding the revisions we still need to process;
1936
# appending to it adds new highest-priority revisions
1937
self.known_revisions = set(rev_history)
1938
self.to_read = rev_history[-1:]
1940
rev_id = self.to_read.pop()
1941
if (rev_id not in self.revisions
1942
and rev_id not in self.absent_revisions):
1943
self._load_one_rev(rev_id)
1945
to_import = self._make_order()
1946
for i, rev_id in enumerate(to_import):
1947
self.pb.update('converting revision', i, len(to_import))
1948
self._convert_one_rev(rev_id)
1950
self._write_all_weaves()
1951
self._write_all_revs()
1952
self.pb.note('upgraded to weaves:')
1953
self.pb.note(' %6d revisions and inventories', len(self.revisions))
1954
self.pb.note(' %6d revisions not present', len(self.absent_revisions))
1955
self.pb.note(' %6d texts', self.text_count)
1956
self._cleanup_spare_files_after_format4()
1957
self.branch.control_files.put_utf8('branch-format', BzrDirFormat5().get_format_string())
1959
def _cleanup_spare_files_after_format4(self):
1960
# FIXME working tree upgrade foo.
1961
for n in 'merged-patches', 'pending-merged-patches':
1963
## assert os.path.getsize(p) == 0
1964
self.bzrdir.transport.delete(n)
1965
except errors.NoSuchFile:
1967
self.bzrdir.transport.delete_tree('inventory-store')
1968
self.bzrdir.transport.delete_tree('text-store')
1970
def _convert_working_inv(self):
1971
inv = xml4.serializer_v4.read_inventory(
1972
self.branch.control_files.get('inventory'))
1973
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv, working=True)
1974
# FIXME inventory is a working tree change.
1975
self.branch.control_files.put('inventory', StringIO(new_inv_xml))
1977
def _write_all_weaves(self):
1978
controlweaves = WeaveStore(self.bzrdir.transport, prefixed=False)
1979
weave_transport = self.bzrdir.transport.clone('weaves')
1980
weaves = WeaveStore(weave_transport, prefixed=False)
1981
transaction = WriteTransaction()
1985
for file_id, file_weave in self.text_weaves.items():
1986
self.pb.update('writing weave', i, len(self.text_weaves))
1987
weaves._put_weave(file_id, file_weave, transaction)
1989
self.pb.update('inventory', 0, 1)
1990
controlweaves._put_weave('inventory', self.inv_weave, transaction)
1991
self.pb.update('inventory', 1, 1)
1995
def _write_all_revs(self):
1996
"""Write all revisions out in new form."""
1997
self.bzrdir.transport.delete_tree('revision-store')
1998
self.bzrdir.transport.mkdir('revision-store')
1999
revision_transport = self.bzrdir.transport.clone('revision-store')
2001
_revision_store = TextRevisionStore(TextStore(revision_transport,
2005
transaction = WriteTransaction()
2006
for i, rev_id in enumerate(self.converted_revs):
2007
self.pb.update('write revision', i, len(self.converted_revs))
2008
_revision_store.add_revision(self.revisions[rev_id], transaction)
2012
def _load_one_rev(self, rev_id):
2013
"""Load a revision object into memory.
2015
Any parents not either loaded or abandoned get queued to be
2017
self.pb.update('loading revision',
2018
len(self.revisions),
2019
len(self.known_revisions))
2020
if not self.branch.repository.has_revision(rev_id):
2022
self.pb.note('revision {%s} not present in branch; '
2023
'will be converted as a ghost',
2025
self.absent_revisions.add(rev_id)
2027
rev = self.branch.repository._revision_store.get_revision(rev_id,
2028
self.branch.repository.get_transaction())
2029
for parent_id in rev.parent_ids:
2030
self.known_revisions.add(parent_id)
2031
self.to_read.append(parent_id)
2032
self.revisions[rev_id] = rev
2034
def _load_old_inventory(self, rev_id):
2035
assert rev_id not in self.converted_revs
2036
old_inv_xml = self.branch.repository.inventory_store.get(rev_id).read()
2037
inv = xml4.serializer_v4.read_inventory_from_string(old_inv_xml)
2038
inv.revision_id = rev_id
2039
rev = self.revisions[rev_id]
2040
if rev.inventory_sha1:
2041
assert rev.inventory_sha1 == sha_string(old_inv_xml), \
2042
'inventory sha mismatch for {%s}' % rev_id
2045
def _load_updated_inventory(self, rev_id):
2046
assert rev_id in self.converted_revs
2047
inv_xml = self.inv_weave.get_text(rev_id)
2048
inv = xml5.serializer_v5.read_inventory_from_string(inv_xml, rev_id)
2051
def _convert_one_rev(self, rev_id):
2052
"""Convert revision and all referenced objects to new format."""
2053
rev = self.revisions[rev_id]
2054
inv = self._load_old_inventory(rev_id)
2055
present_parents = [p for p in rev.parent_ids
2056
if p not in self.absent_revisions]
2057
self._convert_revision_contents(rev, inv, present_parents)
2058
self._store_new_inv(rev, inv, present_parents)
2059
self.converted_revs.add(rev_id)
2061
def _store_new_inv(self, rev, inv, present_parents):
2062
# the XML is now updated with text versions
2064
entries = inv.iter_entries()
2066
for path, ie in entries:
2067
assert getattr(ie, 'revision', None) is not None, \
2068
'no revision on {%s} in {%s}' % \
2069
(file_id, rev.revision_id)
2070
new_inv_xml = xml5.serializer_v5.write_inventory_to_string(inv)
2071
new_inv_sha1 = sha_string(new_inv_xml)
2072
self.inv_weave.add_lines(rev.revision_id,
2074
new_inv_xml.splitlines(True))
2075
rev.inventory_sha1 = new_inv_sha1
2077
def _convert_revision_contents(self, rev, inv, present_parents):
2078
"""Convert all the files within a revision.
2080
Also upgrade the inventory to refer to the text revision ids."""
2081
rev_id = rev.revision_id
2082
mutter('converting texts of revision {%s}',
2084
parent_invs = map(self._load_updated_inventory, present_parents)
2085
entries = inv.iter_entries()
2087
for path, ie in entries:
2088
self._convert_file_version(rev, ie, parent_invs)
2090
def _convert_file_version(self, rev, ie, parent_invs):
2091
"""Convert one version of one file.
2093
The file needs to be added into the weave if it is a merge
2094
of >=2 parents or if it's changed from its parent.
2096
file_id = ie.file_id
2097
rev_id = rev.revision_id
2098
w = self.text_weaves.get(file_id)
2101
self.text_weaves[file_id] = w
2102
text_changed = False
2103
parent_candiate_entries = ie.parent_candidates(parent_invs)
2104
for old_revision in parent_candiate_entries.keys():
2105
# if this fails, its a ghost ?
2106
assert old_revision in self.converted_revs, \
2107
"Revision {%s} not in converted_revs" % old_revision
2108
heads = graph.Graph(self).heads(parent_candiate_entries.keys())
2109
# XXX: Note that this is unordered - and this is tolerable because
2110
# the previous code was also unordered.
2111
previous_entries = dict((head, parent_candiate_entries[head]) for head
2113
self.snapshot_ie(previous_entries, ie, w, rev_id)
2115
assert getattr(ie, 'revision', None) is not None
2117
@symbol_versioning.deprecated_method(symbol_versioning.one_one)
2118
def get_parents(self, revision_ids):
2119
for revision_id in revision_ids:
2120
yield self.revisions[revision_id].parent_ids
2122
def get_parent_map(self, revision_ids):
2123
"""See graph._StackedParentsProvider.get_parent_map"""
2124
return dict((revision_id, self.revisions[revision_id])
2125
for revision_id in revision_ids
2126
if revision_id in self.revisions)
2128
def snapshot_ie(self, previous_revisions, ie, w, rev_id):
2129
# TODO: convert this logic, which is ~= snapshot to
2130
# a call to:. This needs the path figured out. rather than a work_tree
2131
# a v4 revision_tree can be given, or something that looks enough like
2132
# one to give the file content to the entry if it needs it.
2133
# and we need something that looks like a weave store for snapshot to
2135
#ie.snapshot(rev, PATH, previous_revisions, REVISION_TREE, InMemoryWeaveStore(self.text_weaves))
2136
if len(previous_revisions) == 1:
2137
previous_ie = previous_revisions.values()[0]
2138
if ie._unchanged(previous_ie):
2139
ie.revision = previous_ie.revision
2142
text = self.branch.repository.weave_store.get(ie.text_id)
2143
file_lines = text.readlines()
2144
assert sha_strings(file_lines) == ie.text_sha1
2145
assert sum(map(len, file_lines)) == ie.text_size
2146
w.add_lines(rev_id, previous_revisions, file_lines)
2147
self.text_count += 1
2149
w.add_lines(rev_id, previous_revisions, [])
2150
ie.revision = rev_id
2152
def _make_order(self):
2153
"""Return a suitable order for importing revisions.
2155
The order must be such that an revision is imported after all
2156
its (present) parents.
2158
todo = set(self.revisions.keys())
2159
done = self.absent_revisions.copy()
2162
# scan through looking for a revision whose parents
2164
for rev_id in sorted(list(todo)):
2165
rev = self.revisions[rev_id]
2166
parent_ids = set(rev.parent_ids)
2167
if parent_ids.issubset(done):
2168
# can take this one now
2169
order.append(rev_id)
2175
class ConvertBzrDir5To6(Converter):
2176
"""Converts format 5 bzr dirs to format 6."""
2178
def convert(self, to_convert, pb):
2179
"""See Converter.convert()."""
2180
self.bzrdir = to_convert
2182
self.pb.note('starting upgrade from format 5 to 6')
2183
self._convert_to_prefixed()
2184
return BzrDir.open(self.bzrdir.root_transport.base)
2186
def _convert_to_prefixed(self):
2187
from bzrlib.store import TransportStore
2188
self.bzrdir.transport.delete('branch-format')
2189
for store_name in ["weaves", "revision-store"]:
2190
self.pb.note("adding prefixes to %s" % store_name)
2191
store_transport = self.bzrdir.transport.clone(store_name)
2192
store = TransportStore(store_transport, prefixed=True)
2193
for urlfilename in store_transport.list_dir('.'):
2194
filename = urlutils.unescape(urlfilename)
2195
if (filename.endswith(".weave") or
2196
filename.endswith(".gz") or
2197
filename.endswith(".sig")):
2198
file_id = os.path.splitext(filename)[0]
2201
prefix_dir = store.hash_prefix(file_id)
2202
# FIXME keep track of the dirs made RBC 20060121
2204
store_transport.move(filename, prefix_dir + '/' + filename)
2205
except errors.NoSuchFile: # catches missing dirs strangely enough
2206
store_transport.mkdir(prefix_dir)
2207
store_transport.move(filename, prefix_dir + '/' + filename)
2208
self.bzrdir._control_files.put_utf8('branch-format', BzrDirFormat6().get_format_string())
2211
class ConvertBzrDir6ToMeta(Converter):
2212
"""Converts format 6 bzr dirs to metadirs."""
2214
def convert(self, to_convert, pb):
2215
"""See Converter.convert()."""
2216
from bzrlib.repofmt.weaverepo import RepositoryFormat7
2217
from bzrlib.branch import BzrBranchFormat5
2218
self.bzrdir = to_convert
2221
self.total = 20 # the steps we know about
2222
self.garbage_inventories = []
2224
self.pb.note('starting upgrade from format 6 to metadir')
2225
self.bzrdir._control_files.put_utf8('branch-format', "Converting to format 6")
2226
# its faster to move specific files around than to open and use the apis...
2227
# first off, nuke ancestry.weave, it was never used.
2229
self.step('Removing ancestry.weave')
2230
self.bzrdir.transport.delete('ancestry.weave')
2231
except errors.NoSuchFile:
2233
# find out whats there
2234
self.step('Finding branch files')
2235
last_revision = self.bzrdir.open_branch().last_revision()
2236
bzrcontents = self.bzrdir.transport.list_dir('.')
2237
for name in bzrcontents:
2238
if name.startswith('basis-inventory.'):
2239
self.garbage_inventories.append(name)
2240
# create new directories for repository, working tree and branch
2241
self.dir_mode = self.bzrdir._control_files._dir_mode
2242
self.file_mode = self.bzrdir._control_files._file_mode
2243
repository_names = [('inventory.weave', True),
2244
('revision-store', True),
2246
self.step('Upgrading repository ')
2247
self.bzrdir.transport.mkdir('repository', mode=self.dir_mode)
2248
self.make_lock('repository')
2249
# we hard code the formats here because we are converting into
2250
# the meta format. The meta format upgrader can take this to a
2251
# future format within each component.
2252
self.put_format('repository', RepositoryFormat7())
2253
for entry in repository_names:
2254
self.move_entry('repository', entry)
2256
self.step('Upgrading branch ')
2257
self.bzrdir.transport.mkdir('branch', mode=self.dir_mode)
2258
self.make_lock('branch')
2259
self.put_format('branch', BzrBranchFormat5())
2260
branch_files = [('revision-history', True),
2261
('branch-name', True),
2263
for entry in branch_files:
2264
self.move_entry('branch', entry)
2266
checkout_files = [('pending-merges', True),
2267
('inventory', True),
2268
('stat-cache', False)]
2269
# If a mandatory checkout file is not present, the branch does not have
2270
# a functional checkout. Do not create a checkout in the converted
2272
for name, mandatory in checkout_files:
2273
if mandatory and name not in bzrcontents:
2274
has_checkout = False
2278
if not has_checkout:
2279
self.pb.note('No working tree.')
2280
# If some checkout files are there, we may as well get rid of them.
2281
for name, mandatory in checkout_files:
2282
if name in bzrcontents:
2283
self.bzrdir.transport.delete(name)
2285
from bzrlib.workingtree import WorkingTreeFormat3
2286
self.step('Upgrading working tree')
2287
self.bzrdir.transport.mkdir('checkout', mode=self.dir_mode)
2288
self.make_lock('checkout')
2290
'checkout', WorkingTreeFormat3())
2291
self.bzrdir.transport.delete_multi(
2292
self.garbage_inventories, self.pb)
2293
for entry in checkout_files:
2294
self.move_entry('checkout', entry)
2295
if last_revision is not None:
2296
self.bzrdir._control_files.put_utf8(
2297
'checkout/last-revision', last_revision)
2298
self.bzrdir._control_files.put_utf8(
2299
'branch-format', BzrDirMetaFormat1().get_format_string())
2300
return BzrDir.open(self.bzrdir.root_transport.base)
2302
def make_lock(self, name):
2303
"""Make a lock for the new control dir name."""
2304
self.step('Make %s lock' % name)
2305
ld = lockdir.LockDir(self.bzrdir.transport,
2307
file_modebits=self.file_mode,
2308
dir_modebits=self.dir_mode)
2311
def move_entry(self, new_dir, entry):
2312
"""Move then entry name into new_dir."""
2314
mandatory = entry[1]
2315
self.step('Moving %s' % name)
2317
self.bzrdir.transport.move(name, '%s/%s' % (new_dir, name))
2318
except errors.NoSuchFile:
2322
def put_format(self, dirname, format):
2323
self.bzrdir._control_files.put_utf8('%s/format' % dirname, format.get_format_string())
2326
class ConvertMetaToMeta(Converter):
2327
"""Converts the components of metadirs."""
2329
def __init__(self, target_format):
2330
"""Create a metadir to metadir converter.
2332
:param target_format: The final metadir format that is desired.
2334
self.target_format = target_format
2336
def convert(self, to_convert, pb):
2337
"""See Converter.convert()."""
2338
self.bzrdir = to_convert
2342
self.step('checking repository format')
2344
repo = self.bzrdir.open_repository()
2345
except errors.NoRepositoryPresent:
2348
if not isinstance(repo._format, self.target_format.repository_format.__class__):
2349
from bzrlib.repository import CopyConverter
2350
self.pb.note('starting repository conversion')
2351
converter = CopyConverter(self.target_format.repository_format)
2352
converter.convert(repo, pb)
2354
branch = self.bzrdir.open_branch()
2355
except errors.NotBranchError:
2358
# TODO: conversions of Branch and Tree should be done by
2359
# InterXFormat lookups
2360
# Avoid circular imports
2361
from bzrlib import branch as _mod_branch
2362
if (branch._format.__class__ is _mod_branch.BzrBranchFormat5 and
2363
self.target_format.get_branch_format().__class__ is
2364
_mod_branch.BzrBranchFormat6):
2365
branch_converter = _mod_branch.Converter5to6()
2366
branch_converter.convert(branch)
2368
tree = self.bzrdir.open_workingtree(recommend_upgrade=False)
2369
except (errors.NoWorkingTree, errors.NotLocalUrl):
2372
# TODO: conversions of Branch and Tree should be done by
2373
# InterXFormat lookups
2374
if (isinstance(tree, workingtree.WorkingTree3) and
2375
not isinstance(tree, workingtree_4.WorkingTree4) and
2376
isinstance(self.target_format.workingtree_format,
2377
workingtree_4.WorkingTreeFormat4)):
2378
workingtree_4.Converter3to4().convert(tree)
2382
# This is not in remote.py because it's small, and needs to be registered.
2383
# Putting it in remote.py creates a circular import problem.
2384
# we can make it a lazy object if the control formats is turned into something
2386
class RemoteBzrDirFormat(BzrDirMetaFormat1):
2387
"""Format representing bzrdirs accessed via a smart server"""
2389
def get_format_description(self):
2390
return 'bzr remote bzrdir'
2393
def probe_transport(klass, transport):
2394
"""Return a RemoteBzrDirFormat object if it looks possible."""
2396
client = transport.get_smart_client()
2397
except (NotImplementedError, AttributeError,
2398
errors.TransportNotPossible):
2399
# no smart server, so not a branch for this format type.
2400
raise errors.NotBranchError(path=transport.base)
2402
# Send a 'hello' request in protocol version one, and decline to
2403
# open it if the server doesn't support our required version (2) so
2404
# that the VFS-based transport will do it.
2405
request = client.get_request()
2406
smart_protocol = protocol.SmartClientRequestProtocolOne(request)
2407
server_version = smart_protocol.query_version()
2408
if server_version != 2:
2409
raise errors.NotBranchError(path=transport.base)
2412
def initialize_on_transport(self, transport):
2414
# hand off the request to the smart server
2415
shared_medium = transport.get_shared_medium()
2416
except errors.NoSmartMedium:
2417
# TODO: lookup the local format from a server hint.
2418
local_dir_format = BzrDirMetaFormat1()
2419
return local_dir_format.initialize_on_transport(transport)
2420
client = _SmartClient(shared_medium)
2421
path = client.remote_path_from_transport(transport)
2422
response = _SmartClient(shared_medium).call('BzrDirFormat.initialize',
2424
assert response[0] in ('ok', ), 'unexpected response code %s' % (response,)
2425
return remote.RemoteBzrDir(transport)
2427
def _open(self, transport):
2428
return remote.RemoteBzrDir(transport)
2430
def __eq__(self, other):
2431
if not isinstance(other, RemoteBzrDirFormat):
2433
return self.get_format_description() == other.get_format_description()
2436
BzrDirFormat.register_control_server_format(RemoteBzrDirFormat)
2439
class BzrDirFormatInfo(object):
2441
def __init__(self, native, deprecated, hidden, experimental):
2442
self.deprecated = deprecated
2443
self.native = native
2444
self.hidden = hidden
2445
self.experimental = experimental
2448
class BzrDirFormatRegistry(registry.Registry):
2449
"""Registry of user-selectable BzrDir subformats.
2451
Differs from BzrDirFormat._control_formats in that it provides sub-formats,
2452
e.g. BzrDirMeta1 with weave repository. Also, it's more user-oriented.
2456
"""Create a BzrDirFormatRegistry."""
2457
self._aliases = set()
2458
super(BzrDirFormatRegistry, self).__init__()
2461
"""Return a set of the format names which are aliases."""
2462
return frozenset(self._aliases)
2464
def register_metadir(self, key,
2465
repository_format, help, native=True, deprecated=False,
2471
"""Register a metadir subformat.
2473
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2474
by the Repository format.
2476
:param repository_format: The fully-qualified repository format class
2478
:param branch_format: Fully-qualified branch format class name as
2480
:param tree_format: Fully-qualified tree format class name as
2483
# This should be expanded to support setting WorkingTree and Branch
2484
# formats, once BzrDirMetaFormat1 supports that.
2485
def _load(full_name):
2486
mod_name, factory_name = full_name.rsplit('.', 1)
2488
mod = __import__(mod_name, globals(), locals(),
2490
except ImportError, e:
2491
raise ImportError('failed to load %s: %s' % (full_name, e))
2493
factory = getattr(mod, factory_name)
2494
except AttributeError:
2495
raise AttributeError('no factory %s in module %r'
2500
bd = BzrDirMetaFormat1()
2501
if branch_format is not None:
2502
bd.set_branch_format(_load(branch_format))
2503
if tree_format is not None:
2504
bd.workingtree_format = _load(tree_format)
2505
if repository_format is not None:
2506
bd.repository_format = _load(repository_format)
2508
self.register(key, helper, help, native, deprecated, hidden,
2509
experimental, alias)
2511
def register(self, key, factory, help, native=True, deprecated=False,
2512
hidden=False, experimental=False, alias=False):
2513
"""Register a BzrDirFormat factory.
2515
The factory must be a callable that takes one parameter: the key.
2516
It must produce an instance of the BzrDirFormat when called.
2518
This function mainly exists to prevent the info object from being
2521
registry.Registry.register(self, key, factory, help,
2522
BzrDirFormatInfo(native, deprecated, hidden, experimental))
2524
self._aliases.add(key)
2526
def register_lazy(self, key, module_name, member_name, help, native=True,
2527
deprecated=False, hidden=False, experimental=False, alias=False):
2528
registry.Registry.register_lazy(self, key, module_name, member_name,
2529
help, BzrDirFormatInfo(native, deprecated, hidden, experimental))
2531
self._aliases.add(key)
2533
def set_default(self, key):
2534
"""Set the 'default' key to be a clone of the supplied key.
2536
This method must be called once and only once.
2538
registry.Registry.register(self, 'default', self.get(key),
2539
self.get_help(key), info=self.get_info(key))
2540
self._aliases.add('default')
2542
def set_default_repository(self, key):
2543
"""Set the FormatRegistry default and Repository default.
2545
This is a transitional method while Repository.set_default_format
2548
if 'default' in self:
2549
self.remove('default')
2550
self.set_default(key)
2551
format = self.get('default')()
2552
assert isinstance(format, BzrDirMetaFormat1)
2554
def make_bzrdir(self, key):
2555
return self.get(key)()
2557
def help_topic(self, topic):
2558
output = textwrap.dedent("""\
2559
These formats can be used for creating branches, working trees, and
2563
default_realkey = None
2564
default_help = self.get_help('default')
2566
for key in self.keys():
2567
if key == 'default':
2569
help = self.get_help(key)
2570
if help == default_help:
2571
default_realkey = key
2573
help_pairs.append((key, help))
2575
def wrapped(key, help, info):
2577
help = '(native) ' + help
2578
return ':%s:\n%s\n\n' % (key,
2579
textwrap.fill(help, initial_indent=' ',
2580
subsequent_indent=' '))
2581
if default_realkey is not None:
2582
output += wrapped(default_realkey, '(default) %s' % default_help,
2583
self.get_info('default'))
2584
deprecated_pairs = []
2585
experimental_pairs = []
2586
for key, help in help_pairs:
2587
info = self.get_info(key)
2590
elif info.deprecated:
2591
deprecated_pairs.append((key, help))
2592
elif info.experimental:
2593
experimental_pairs.append((key, help))
2595
output += wrapped(key, help, info)
2596
if len(experimental_pairs) > 0:
2597
output += "Experimental formats are shown below.\n\n"
2598
for key, help in experimental_pairs:
2599
info = self.get_info(key)
2600
output += wrapped(key, help, info)
2601
if len(deprecated_pairs) > 0:
2602
output += "Deprecated formats are shown below.\n\n"
2603
for key, help in deprecated_pairs:
2604
info = self.get_info(key)
2605
output += wrapped(key, help, info)
2610
format_registry = BzrDirFormatRegistry()
2611
format_registry.register('weave', BzrDirFormat6,
2612
'Pre-0.8 format. Slower than knit and does not'
2613
' support checkouts or shared repositories.',
2615
format_registry.register_metadir('knit',
2616
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2617
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
2618
branch_format='bzrlib.branch.BzrBranchFormat5',
2619
tree_format='bzrlib.workingtree.WorkingTreeFormat3')
2620
format_registry.register_metadir('metaweave',
2621
'bzrlib.repofmt.weaverepo.RepositoryFormat7',
2622
'Transitional format in 0.8. Slower than knit.',
2623
branch_format='bzrlib.branch.BzrBranchFormat5',
2624
tree_format='bzrlib.workingtree.WorkingTreeFormat3',
2626
format_registry.register_metadir('dirstate',
2627
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2628
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
2629
'above when accessed over the network.',
2630
branch_format='bzrlib.branch.BzrBranchFormat5',
2631
# this uses bzrlib.workingtree.WorkingTreeFormat4 because importing
2632
# directly from workingtree_4 triggers a circular import.
2633
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2635
format_registry.register_metadir('dirstate-tags',
2636
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2637
help='New in 0.15: Fast local operations and improved scaling for '
2638
'network operations. Additionally adds support for tags.'
2639
' Incompatible with bzr < 0.15.',
2640
branch_format='bzrlib.branch.BzrBranchFormat6',
2641
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2643
format_registry.register_metadir('rich-root',
2644
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
2645
help='New in 1.0. Better handling of tree roots. Incompatible with'
2647
branch_format='bzrlib.branch.BzrBranchFormat6',
2648
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2650
format_registry.register_metadir('dirstate-with-subtree',
2651
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
2652
help='New in 0.15: Fast local operations and improved scaling for '
2653
'network operations. Additionally adds support for versioning nested '
2654
'bzr branches. Incompatible with bzr < 0.15.',
2655
branch_format='bzrlib.branch.BzrBranchFormat6',
2656
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2660
format_registry.register_metadir('pack-0.92',
2661
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack1',
2662
help='New in 0.92: Pack-based format with data compatible with '
2663
'dirstate-tags format repositories. Interoperates with '
2664
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
2665
'Previously called knitpack-experimental. '
2666
'For more information, see '
2667
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
2668
branch_format='bzrlib.branch.BzrBranchFormat6',
2669
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2671
format_registry.register_metadir('pack-0.92-subtree',
2672
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack3',
2673
help='New in 0.92: Pack-based format with data compatible with '
2674
'dirstate-with-subtree format repositories. Interoperates with '
2675
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
2676
'Previously called knitpack-experimental. '
2677
'For more information, see '
2678
'http://doc.bazaar-vcs.org/latest/developers/packrepo.html.',
2679
branch_format='bzrlib.branch.BzrBranchFormat6',
2680
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2684
format_registry.register_metadir('rich-root-pack',
2685
'bzrlib.repofmt.pack_repo.RepositoryFormatKnitPack4',
2686
help='New in 1.0: Pack-based format with data compatible with '
2687
'rich-root format repositories. Incompatible with'
2689
branch_format='bzrlib.branch.BzrBranchFormat6',
2690
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2692
# The following two formats should always just be aliases.
2693
format_registry.register_metadir('development',
2694
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0',
2695
help='Current development format. Can convert data to and from pack-0.92 '
2696
'(and anything compatible with pack-0.92) format repositories. '
2697
'Repositories in this format can only be read by bzr.dev. '
2699
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
2701
branch_format='bzrlib.branch.BzrBranchFormat6',
2702
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2706
format_registry.register_metadir('development-subtree',
2707
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0Subtree',
2708
help='Current development format, subtree variant. Can convert data to and '
2709
'from pack-0.92 (and anything compatible with pack-0.92) format '
2710
'repositories. Repositories in this format can only be read by '
2711
'bzr.dev. Please read '
2712
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
2714
branch_format='bzrlib.branch.BzrBranchFormat6',
2715
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2719
# And the development formats which the will have aliased one of follow:
2720
format_registry.register_metadir('development0',
2721
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0',
2722
help='Trivial rename of pack-0.92 to provide a development format. '
2724
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
2726
branch_format='bzrlib.branch.BzrBranchFormat6',
2727
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2731
format_registry.register_metadir('development0-subtree',
2732
'bzrlib.repofmt.pack_repo.RepositoryFormatPackDevelopment0Subtree',
2733
help='Trivial rename of pack-0.92-subtree to provide a development format. '
2735
'http://doc.bazaar-vcs.org/latest/developers/development-repo.html '
2737
branch_format='bzrlib.branch.BzrBranchFormat6',
2738
tree_format='bzrlib.workingtree.WorkingTreeFormat4',
2742
format_registry.set_default('pack-0.92')
added
removed
bzrlib/bzrdir.py
