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# Copyright (C) 2006-2011 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""BzrDir logic. The BzrDir is the basic control directory used by bzr.
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At format 7 this was split out into Branch, Repository and Checkout control
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Note: This module has a lot of ``open`` functions/methods that return
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references to in-memory objects. As a rule, there are no matching ``close``
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methods. To free any associated resources, simply stop referencing the
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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branch as _mod_branch,
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revision as _mod_revision,
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transport as _mod_transport,
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from bzrlib.repofmt import knitpack_repo
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from bzrlib.transport import (
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do_catching_redirections,
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from bzrlib.i18n import gettext
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from bzrlib.trace import (
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from bzrlib.symbol_versioning import (
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class BzrDir(controldir.ControlDir):
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"""A .bzr control diretory.
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BzrDir instances let you create or open any of the things that can be
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found within .bzr - checkouts, branches and repositories.
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the transport which this bzr dir is rooted at (i.e. file:///.../.bzr/)
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a transport connected to the directory this bzr was opened from
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(i.e. the parent directory holding the .bzr directory).
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Everything in the bzrdir should have the same file permissions.
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:cvar hooks: An instance of BzrDirHooks.
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"""Invoke break_lock on the first object in the bzrdir.
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If there is a tree, the tree is opened and break_lock() called.
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Otherwise, branch is tried, and finally repository.
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# XXX: This seems more like a UI function than something that really
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# belongs in this class.
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thing_to_unlock = self.open_workingtree()
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except (errors.NotLocalUrl, errors.NoWorkingTree):
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thing_to_unlock = self.open_branch()
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except errors.NotBranchError:
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thing_to_unlock = self.open_repository()
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except errors.NoRepositoryPresent:
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thing_to_unlock.break_lock()
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def check_conversion_target(self, target_format):
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"""Check that a bzrdir as a whole can be converted to a new format."""
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# The only current restriction is that the repository content can be
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# fetched compatibly with the target.
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target_repo_format = target_format.repository_format
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self.open_repository()._format.check_conversion_target(
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except errors.NoRepositoryPresent:
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# No repo, no problem.
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def clone_on_transport(self, transport, revision_id=None,
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force_new_repo=False, preserve_stacking=False, stacked_on=None,
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create_prefix=False, use_existing_dir=True, no_tree=False):
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"""Clone this bzrdir and its contents to transport verbatim.
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:param transport: The transport for the location to produce the clone
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at. If the target directory does not exist, it will be created.
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:param revision_id: The tip revision-id to use for any branch or
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working tree. If not None, then the clone operation may tune
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itself to download less data.
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:param force_new_repo: Do not use a shared repository for the target,
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even if one is available.
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:param preserve_stacking: When cloning a stacked branch, stack the
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new branch on top of the other branch's stacked-on branch.
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:param create_prefix: Create any missing directories leading up to
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:param use_existing_dir: Use an existing directory if one exists.
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:param no_tree: If set to true prevents creation of a working tree.
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# Overview: put together a broad description of what we want to end up
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# with; then make as few api calls as possible to do it.
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# We may want to create a repo/branch/tree, if we do so what format
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# would we want for each:
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require_stacking = (stacked_on is not None)
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format = self.cloning_metadir(require_stacking)
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# Figure out what objects we want:
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local_repo = self.find_repository()
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except errors.NoRepositoryPresent:
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local_branch = self.open_branch()
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except errors.NotBranchError:
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# enable fallbacks when branch is not a branch reference
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if local_branch.repository.has_same_location(local_repo):
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local_repo = local_branch.repository
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if preserve_stacking:
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stacked_on = local_branch.get_stacked_on_url()
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except (errors.UnstackableBranchFormat,
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errors.UnstackableRepositoryFormat,
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# Bug: We create a metadir without knowing if it can support stacking,
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# we should look up the policy needs first, or just use it as a hint,
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make_working_trees = local_repo.make_working_trees() and not no_tree
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want_shared = local_repo.is_shared()
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repo_format_name = format.repository_format.network_name()
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make_working_trees = False
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repo_format_name = None
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result_repo, result, require_stacking, repository_policy = \
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format.initialize_on_transport_ex(transport,
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use_existing_dir=use_existing_dir, create_prefix=create_prefix,
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force_new_repo=force_new_repo, stacked_on=stacked_on,
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stack_on_pwd=self.root_transport.base,
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repo_format_name=repo_format_name,
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make_working_trees=make_working_trees, shared_repo=want_shared)
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# If the result repository is in the same place as the
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# resulting bzr dir, it will have no content, further if the
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# result is not stacked then we know all content should be
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# copied, and finally if we are copying up to a specific
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# revision_id then we can use the pending-ancestry-result which
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# does not require traversing all of history to describe it.
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if (result_repo.user_url == result.user_url
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and not require_stacking and
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revision_id is not None):
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fetch_spec = graph.PendingAncestryResult(
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[revision_id], local_repo)
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result_repo.fetch(local_repo, fetch_spec=fetch_spec)
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result_repo.fetch(local_repo, revision_id=revision_id)
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if result_repo is not None:
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raise AssertionError('result_repo not None(%r)' % result_repo)
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# 1 if there is a branch present
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# make sure its content is available in the target repository
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if local_branch is not None:
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result_branch = local_branch.clone(result, revision_id=revision_id,
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repository_policy=repository_policy)
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# Cheaper to check if the target is not local, than to try making
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result.root_transport.local_abspath('.')
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if result_repo is None or result_repo.make_working_trees():
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self.open_workingtree().clone(result)
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except (errors.NoWorkingTree, errors.NotLocalUrl):
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# TODO: This should be given a Transport, and should chdir up; otherwise
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# this will open a new connection.
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def _make_tail(self, url):
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t = _mod_transport.get_transport(url)
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def 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, errors.PermissionDenied):
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recurse, value = evaluate(bzrdir)
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subdirs = list_current(current_transport)
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except (errors.NoSuchFile, errors.PermissionDenied):
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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, ([], repository)
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return True, (bzrdir.list_branches(), None)
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for branches, repo in BzrDir.find_bzrdirs(transport,
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ret.extend(repo.find_branches())
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if branches is not None:
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def create_branch_and_repo(base, force_new_repo=False, format=None):
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"""Create a new BzrDir, Branch and Repository at the url 'base'.
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This will use the current default BzrDirFormat unless one is
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specified, and use whatever
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repository format that that uses via bzrdir.create_branch and
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create_repository. If a shared repository is available that is used
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The created Branch object is returned.
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:param base: The URL to create the branch at.
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:param force_new_repo: If True a new repository is always created.
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:param format: If supplied, the format of branch to create. If not
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supplied, the default is used.
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bzrdir = BzrDir.create(base, format)
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bzrdir._find_or_create_repository(force_new_repo)
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return bzrdir.create_branch()
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def determine_repository_policy(self, force_new_repo=False, stack_on=None,
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stack_on_pwd=None, require_stacking=False):
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"""Return an object representing a policy to use.
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This controls whether a new repository is created, and the format of
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that repository, or some existing shared repository used instead.
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If stack_on is supplied, will not seek a containing shared repo.
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:param force_new_repo: If True, require a new repository to be created.
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:param stack_on: If supplied, the location to stack on. If not
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supplied, a default_stack_on location may be used.
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:param stack_on_pwd: If stack_on is relative, the location it is
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def repository_policy(found_bzrdir):
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config = found_bzrdir.get_config()
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stack_on = config.get_default_stack_on()
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if stack_on is not None:
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stack_on_pwd = found_bzrdir.user_url
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# does it have a repository ?
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repository = found_bzrdir.open_repository()
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except errors.NoRepositoryPresent:
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if (found_bzrdir.user_url != self.user_url
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and not repository.is_shared()):
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# Don't look higher, can't use a higher shared repo.
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return UseExistingRepository(repository, stack_on,
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stack_on_pwd, require_stacking=require_stacking), True
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return CreateRepository(self, stack_on, stack_on_pwd,
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require_stacking=require_stacking), True
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if not force_new_repo:
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policy = self._find_containing(repository_policy)
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if policy is not None:
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return UseExistingRepository(self.open_repository(),
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stack_on, stack_on_pwd,
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require_stacking=require_stacking)
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except errors.NoRepositoryPresent:
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return CreateRepository(self, stack_on, stack_on_pwd,
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require_stacking=require_stacking)
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def _find_or_create_repository(self, force_new_repo):
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"""Create a new repository if needed, returning the repository."""
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policy = self.determine_repository_policy(force_new_repo)
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return policy.acquire_repository()[0]
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def _find_source_repo(self, add_cleanup, source_branch):
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"""Find the source branch and repo for a sprout operation.
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This is helper intended for use by _sprout.
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:returns: (source_branch, source_repository). Either or both may be
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None. If not None, they will be read-locked (and their unlock(s)
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scheduled via the add_cleanup param).
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if source_branch is not None:
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add_cleanup(source_branch.lock_read().unlock)
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return source_branch, source_branch.repository
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source_branch = self.open_branch()
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source_repository = source_branch.repository
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except errors.NotBranchError:
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source_repository = self.open_repository()
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except errors.NoRepositoryPresent:
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source_repository = None
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add_cleanup(source_repository.lock_read().unlock)
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add_cleanup(source_branch.lock_read().unlock)
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return source_branch, source_repository
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def sprout(self, url, revision_id=None, force_new_repo=False,
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recurse='down', possible_transports=None,
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accelerator_tree=None, hardlink=False, stacked=False,
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source_branch=None, create_tree_if_local=True):
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"""Create a copy of this controldir prepared for use as a new line of
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If url's last component does not exist, it will be created.
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Attributes related to the identity of the source branch like
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branch nickname will be cleaned, a working tree is created
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whether one existed before or not; and a local branch is always
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if revision_id is not None, then the clone operation may tune
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itself to download less data.
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:param accelerator_tree: A tree which can be used for retrieving file
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contents more quickly than the revision tree, i.e. a workingtree.
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The revision tree will be used for cases where accelerator_tree's
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content is different.
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:param hardlink: If true, hard-link files from accelerator_tree,
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:param stacked: If true, create a stacked branch referring to the
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location of this control directory.
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:param create_tree_if_local: If true, a working-tree will be created
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when working locally.
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operation = cleanup.OperationWithCleanups(self._sprout)
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return operation.run(url, revision_id=revision_id,
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force_new_repo=force_new_repo, recurse=recurse,
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possible_transports=possible_transports,
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accelerator_tree=accelerator_tree, hardlink=hardlink,
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stacked=stacked, source_branch=source_branch,
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create_tree_if_local=create_tree_if_local)
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def _sprout(self, op, url, revision_id=None, force_new_repo=False,
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recurse='down', possible_transports=None,
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accelerator_tree=None, hardlink=False, stacked=False,
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source_branch=None, create_tree_if_local=True):
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add_cleanup = op.add_cleanup
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fetch_spec_factory = fetch.FetchSpecFactory()
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if revision_id is not None:
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fetch_spec_factory.add_revision_ids([revision_id])
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fetch_spec_factory.source_branch_stop_revision_id = revision_id
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target_transport = _mod_transport.get_transport(url,
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target_transport.ensure_base()
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cloning_format = self.cloning_metadir(stacked)
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# Create/update the result branch
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result = cloning_format.initialize_on_transport(target_transport)
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source_branch, source_repository = self._find_source_repo(
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add_cleanup, source_branch)
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fetch_spec_factory.source_branch = source_branch
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# if a stacked branch wasn't requested, we don't create one
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# even if the origin was stacked
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if stacked and source_branch is not None:
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stacked_branch_url = self.root_transport.base
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stacked_branch_url = None
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repository_policy = result.determine_repository_policy(
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force_new_repo, stacked_branch_url, require_stacking=stacked)
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result_repo, is_new_repo = repository_policy.acquire_repository()
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add_cleanup(result_repo.lock_write().unlock)
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fetch_spec_factory.source_repo = source_repository
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fetch_spec_factory.target_repo = result_repo
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if stacked or (len(result_repo._fallback_repositories) != 0):
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target_repo_kind = fetch.TargetRepoKinds.STACKED
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target_repo_kind = fetch.TargetRepoKinds.EMPTY
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target_repo_kind = fetch.TargetRepoKinds.PREEXISTING
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fetch_spec_factory.target_repo_kind = target_repo_kind
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if source_repository is not None:
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fetch_spec = fetch_spec_factory.make_fetch_spec()
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result_repo.fetch(source_repository, fetch_spec=fetch_spec)
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if source_branch is None:
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# this is for sprouting a controldir without a branch; is that
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# Not especially, but it's part of the contract.
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result_branch = result.create_branch()
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result_branch = source_branch.sprout(result,
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revision_id=revision_id, repository_policy=repository_policy,
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repository=result_repo)
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mutter("created new branch %r" % (result_branch,))
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# Create/update the result working tree
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if (create_tree_if_local and
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isinstance(target_transport, local.LocalTransport) and
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(result_repo is None or result_repo.make_working_trees())):
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wt = result.create_workingtree(accelerator_tree=accelerator_tree,
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hardlink=hardlink, from_branch=result_branch)
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if wt.path2id('') is None:
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wt.set_root_id(self.open_workingtree.get_root_id())
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except errors.NoWorkingTree:
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if recurse == 'down':
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basis = wt.basis_tree()
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elif result_branch is not None:
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basis = result_branch.basis_tree()
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elif source_branch is not None:
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basis = source_branch.basis_tree()
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if basis is not None:
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add_cleanup(basis.lock_read().unlock)
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subtrees = basis.iter_references()
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for path, file_id in subtrees:
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target = urlutils.join(url, urlutils.escape(path))
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sublocation = source_branch.reference_parent(file_id, path)
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sublocation.bzrdir.sprout(target,
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basis.get_reference_revision(file_id, path),
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force_new_repo=force_new_repo, recurse=recurse,
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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 = _mod_transport.get_transport(base, possible_transports)
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if not isinstance(t, local.LocalTransport):
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raise errors.NotLocalUrl(base)
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bzrdir = BzrDir.create(base, format, possible_transports)
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repo = bzrdir._find_or_create_repository(force_new_repo)
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result = bzrdir.create_branch()
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if force_new_tree or (repo.make_working_trees() and
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force_new_tree is None):
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bzrdir.create_workingtree()
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except errors.NotLocalUrl:
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def create_standalone_workingtree(base, format=None):
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"""Create a new BzrDir, WorkingTree, Branch and Repository at 'base'.
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'base' must be a local path or a file:// url.
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This will use the current default BzrDirFormat unless one is
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specified, and use whatever
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repository format that that uses for bzrdirformat.create_workingtree,
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create_branch and create_repository.
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:param format: Override for the bzrdir format to create.
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:return: The WorkingTree object.
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t = _mod_transport.get_transport(base)
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if not isinstance(t, local.LocalTransport):
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raise errors.NotLocalUrl(base)
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bzrdir = BzrDir.create_branch_and_repo(base,
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format=format).bzrdir
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return bzrdir.create_workingtree()
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@deprecated_method(deprecated_in((2, 3, 0)))
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def generate_backup_name(self, base):
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return self._available_backup_name(base)
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def _available_backup_name(self, base):
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"""Find a non-existing backup file name based on base.
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See bzrlib.osutils.available_backup_name about race conditions.
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return osutils.available_backup_name(base, self.root_transport.has)
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def backup_bzrdir(self):
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"""Backup this bzr control directory.
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:return: Tuple with old path name and new path name
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pb = ui.ui_factory.nested_progress_bar()
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old_path = self.root_transport.abspath('.bzr')
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backup_dir = self._available_backup_name('backup.bzr')
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new_path = self.root_transport.abspath(backup_dir)
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ui.ui_factory.note(gettext('making backup of {0}\n to {1}').format(
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urlutils.unescape_for_display(old_path, 'utf-8'),
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urlutils.unescape_for_display(new_path, 'utf-8')))
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self.root_transport.copy_tree('.bzr', backup_dir)
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return (old_path, new_path)
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def retire_bzrdir(self, limit=10000):
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"""Permanently disable the bzrdir.
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This is done by renaming it to give the user some ability to recover
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if there was a problem.
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This will have horrible consequences if anyone has anything locked or
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:param limit: number of times to retry
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to_path = '.bzr.retired.%d' % i
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self.root_transport.rename('.bzr', to_path)
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note(gettext("renamed {0} to {1}").format(
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self.root_transport.abspath('.bzr'), to_path))
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except (errors.TransportError, IOError, errors.PathError):
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def _find_containing(self, evaluate):
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"""Find something in a containing control directory.
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This method will scan containing control dirs, until it finds what
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it is looking for, decides that it will never find it, or runs out
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of containing control directories to check.
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It is used to implement find_repository and
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determine_repository_policy.
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:param evaluate: A function returning (value, stop). If stop is True,
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the value will be returned.
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result, stop = evaluate(found_bzrdir)
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next_transport = found_bzrdir.root_transport.clone('..')
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if (found_bzrdir.user_url == next_transport.base):
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# top of the file system
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# find the next containing bzrdir
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found_bzrdir = BzrDir.open_containing_from_transport(
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except errors.NotBranchError:
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def find_repository(self):
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"""Find the repository that should be used.
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This does not require a branch as we use it to find the repo for
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new branches as well as to hook existing branches up to their
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def usable_repository(found_bzrdir):
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# does it have a repository ?
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repository = found_bzrdir.open_repository()
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except errors.NoRepositoryPresent:
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if found_bzrdir.user_url == self.user_url:
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return repository, True
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elif repository.is_shared():
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return repository, True
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found_repo = self._find_containing(usable_repository)
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if found_repo is None:
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raise errors.NoRepositoryPresent(self)
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def _find_creation_modes(self):
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"""Determine the appropriate modes for files and directories.
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They're always set to be consistent with the base directory,
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assuming that this transport allows setting modes.
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# TODO: Do we need or want an option (maybe a config setting) to turn
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# this off or override it for particular locations? -- mbp 20080512
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if self._mode_check_done:
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self._mode_check_done = True
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st = self.transport.stat('.')
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except errors.TransportNotPossible:
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self._dir_mode = None
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self._file_mode = None
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# Check the directory mode, but also make sure the created
741
# directories and files are read-write for this user. This is
742
# mostly a workaround for filesystems which lie about being able to
743
# write to a directory (cygwin & win32)
744
if (st.st_mode & 07777 == 00000):
745
# FTP allows stat but does not return dir/file modes
746
self._dir_mode = None
747
self._file_mode = None
749
self._dir_mode = (st.st_mode & 07777) | 00700
750
# Remove the sticky and execute bits for files
751
self._file_mode = self._dir_mode & ~07111
753
def _get_file_mode(self):
754
"""Return Unix mode for newly created files, or None.
756
if not self._mode_check_done:
757
self._find_creation_modes()
758
return self._file_mode
760
def _get_dir_mode(self):
761
"""Return Unix mode for newly created directories, or None.
763
if not self._mode_check_done:
764
self._find_creation_modes()
765
return self._dir_mode
767
def get_config(self):
768
"""Get configuration for this BzrDir."""
769
return config.BzrDirConfig(self)
771
def _get_config(self):
772
"""By default, no configuration is available."""
775
def __init__(self, _transport, _format):
776
"""Initialize a Bzr control dir object.
778
Only really common logic should reside here, concrete classes should be
779
made with varying behaviours.
781
:param _format: the format that is creating this BzrDir instance.
782
:param _transport: the transport this dir is based at.
784
self._format = _format
785
# these are also under the more standard names of
786
# control_transport and user_transport
787
self.transport = _transport.clone('.bzr')
788
self.root_transport = _transport
789
self._mode_check_done = False
792
def user_transport(self):
793
return self.root_transport
796
def control_transport(self):
797
return self.transport
799
def is_control_filename(self, filename):
800
"""True if filename is the name of a path which is reserved for bzrdir's.
802
:param filename: A filename within the root transport of this bzrdir.
804
This is true IF and ONLY IF the filename is part of the namespace reserved
805
for bzr control dirs. Currently this is the '.bzr' directory in the root
806
of the root_transport.
808
# this might be better on the BzrDirFormat class because it refers to
809
# all the possible bzrdir disk formats.
810
# This method is tested via the workingtree is_control_filename tests-
811
# it was extracted from WorkingTree.is_control_filename. If the method's
812
# contract is extended beyond the current trivial implementation, please
813
# add new tests for it to the appropriate place.
814
return filename == '.bzr' or filename.startswith('.bzr/')
817
def open_unsupported(base):
818
"""Open a branch which is not supported."""
819
return BzrDir.open(base, _unsupported=True)
822
def open(base, _unsupported=False, possible_transports=None):
823
"""Open an existing bzrdir, rooted at 'base' (url).
825
:param _unsupported: a private parameter to the BzrDir class.
827
t = _mod_transport.get_transport(base, possible_transports)
828
return BzrDir.open_from_transport(t, _unsupported=_unsupported)
831
def open_from_transport(transport, _unsupported=False,
832
_server_formats=True):
833
"""Open a bzrdir within a particular directory.
835
:param transport: Transport containing the bzrdir.
836
:param _unsupported: private.
838
for hook in BzrDir.hooks['pre_open']:
840
# Keep initial base since 'transport' may be modified while following
842
base = transport.base
843
def find_format(transport):
844
return transport, controldir.ControlDirFormat.find_format(
845
transport, _server_formats=_server_formats)
847
def redirected(transport, e, redirection_notice):
848
redirected_transport = transport._redirected_to(e.source, e.target)
849
if redirected_transport is None:
850
raise errors.NotBranchError(base)
851
note(gettext('{0} is{1} redirected to {2}').format(
852
transport.base, e.permanently, redirected_transport.base))
853
return redirected_transport
856
transport, format = do_catching_redirections(find_format,
859
except errors.TooManyRedirections:
860
raise errors.NotBranchError(base)
862
format.check_support_status(_unsupported)
863
return format.open(transport, _found=True)
866
def open_containing(url, possible_transports=None):
867
"""Open an existing branch which contains url.
869
:param url: url to search from.
871
See open_containing_from_transport for more detail.
873
transport = _mod_transport.get_transport(url, possible_transports)
874
return BzrDir.open_containing_from_transport(transport)
877
def open_containing_from_transport(a_transport):
878
"""Open an existing branch which contains a_transport.base.
880
This probes for a branch at a_transport, and searches upwards from there.
882
Basically we keep looking up until we find the control directory or
883
run into the root. If there isn't one, raises NotBranchError.
884
If there is one and it is either an unrecognised format or an unsupported
885
format, UnknownFormatError or UnsupportedFormatError are raised.
886
If there is one, it is returned, along with the unused portion of url.
888
:return: The BzrDir that contains the path, and a Unicode path
889
for the rest of the URL.
891
# this gets the normalised url back. I.e. '.' -> the full path.
892
url = a_transport.base
895
result = BzrDir.open_from_transport(a_transport)
896
return result, urlutils.unescape(a_transport.relpath(url))
897
except errors.NotBranchError, e:
900
new_t = a_transport.clone('..')
901
except errors.InvalidURLJoin:
902
# reached the root, whatever that may be
903
raise errors.NotBranchError(path=url)
904
if new_t.base == a_transport.base:
905
# reached the root, whatever that may be
906
raise errors.NotBranchError(path=url)
910
def open_tree_or_branch(klass, location):
911
"""Return the branch and working tree at a location.
913
If there is no tree at the location, tree will be None.
914
If there is no branch at the location, an exception will be
916
:return: (tree, branch)
918
bzrdir = klass.open(location)
919
return bzrdir._get_tree_branch()
922
def open_containing_tree_or_branch(klass, location):
923
"""Return the branch and working tree contained by a location.
925
Returns (tree, branch, relpath).
926
If there is no tree at containing the location, tree will be None.
927
If there is no branch containing the location, an exception will be
929
relpath is the portion of the path that is contained by the branch.
931
bzrdir, relpath = klass.open_containing(location)
932
tree, branch = bzrdir._get_tree_branch()
933
return tree, branch, relpath
936
def open_containing_tree_branch_or_repository(klass, location):
937
"""Return the working tree, branch and repo contained by a location.
939
Returns (tree, branch, repository, relpath).
940
If there is no tree containing the location, tree will be None.
941
If there is no branch containing the location, branch will be None.
942
If there is no repository containing the location, repository will be
944
relpath is the portion of the path that is contained by the innermost
947
If no tree, branch or repository is found, a NotBranchError is raised.
949
bzrdir, relpath = klass.open_containing(location)
951
tree, branch = bzrdir._get_tree_branch()
952
except errors.NotBranchError:
954
repo = bzrdir.find_repository()
955
return None, None, repo, relpath
956
except (errors.NoRepositoryPresent):
957
raise errors.NotBranchError(location)
958
return tree, branch, branch.repository, relpath
960
def _cloning_metadir(self):
961
"""Produce a metadir suitable for cloning with.
963
:returns: (destination_bzrdir_format, source_repository)
965
result_format = self._format.__class__()
968
branch = self.open_branch(ignore_fallbacks=True)
969
source_repository = branch.repository
970
result_format._branch_format = branch._format
971
except errors.NotBranchError:
973
source_repository = self.open_repository()
974
except errors.NoRepositoryPresent:
975
source_repository = None
977
# XXX TODO: This isinstance is here because we have not implemented
978
# the fix recommended in bug # 103195 - to delegate this choice the
980
repo_format = source_repository._format
981
if isinstance(repo_format, remote.RemoteRepositoryFormat):
982
source_repository._ensure_real()
983
repo_format = source_repository._real_repository._format
984
result_format.repository_format = repo_format
986
# TODO: Couldn't we just probe for the format in these cases,
987
# rather than opening the whole tree? It would be a little
988
# faster. mbp 20070401
989
tree = self.open_workingtree(recommend_upgrade=False)
990
except (errors.NoWorkingTree, errors.NotLocalUrl):
991
result_format.workingtree_format = None
993
result_format.workingtree_format = tree._format.__class__()
994
return result_format, source_repository
996
def cloning_metadir(self, require_stacking=False):
997
"""Produce a metadir suitable for cloning or sprouting with.
999
These operations may produce workingtrees (yes, even though they're
1000
"cloning" something that doesn't have a tree), so a viable workingtree
1001
format must be selected.
1003
:require_stacking: If True, non-stackable formats will be upgraded
1004
to similar stackable formats.
1005
:returns: a BzrDirFormat with all component formats either set
1006
appropriately or set to None if that component should not be
1009
format, repository = self._cloning_metadir()
1010
if format._workingtree_format is None:
1012
if repository is None:
1013
# No repository either
1015
# We have a repository, so set a working tree? (Why? This seems to
1016
# contradict the stated return value in the docstring).
1017
tree_format = repository._format._matchingbzrdir.workingtree_format
1018
format.workingtree_format = tree_format.__class__()
1019
if require_stacking:
1020
format.require_stacking()
1024
def create(cls, base, format=None, possible_transports=None):
1025
"""Create a new BzrDir at the url 'base'.
1027
:param format: If supplied, the format of branch to create. If not
1028
supplied, the default is used.
1029
:param possible_transports: If supplied, a list of transports that
1030
can be reused to share a remote connection.
1032
if cls is not BzrDir:
1033
raise AssertionError("BzrDir.create always creates the"
1034
"default format, not one of %r" % cls)
1035
t = _mod_transport.get_transport(base, possible_transports)
1038
format = controldir.ControlDirFormat.get_default_format()
1039
return format.initialize_on_transport(t)
1041
def get_branch_transport(self, branch_format, name=None):
1042
"""Get the transport for use by branch format in this BzrDir.
1044
Note that bzr dirs that do not support format strings will raise
1045
IncompatibleFormat if the branch format they are given has
1046
a format string, and vice versa.
1048
If branch_format is None, the transport is returned with no
1049
checking. If it is not None, then the returned transport is
1050
guaranteed to point to an existing directory ready for use.
1052
raise NotImplementedError(self.get_branch_transport)
1054
def get_repository_transport(self, repository_format):
1055
"""Get the transport for use by repository format in this BzrDir.
1057
Note that bzr dirs that do not support format strings will raise
1058
IncompatibleFormat if the repository format they are given has
1059
a format string, and vice versa.
1061
If repository_format is None, the transport is returned with no
1062
checking. If it is not None, then the returned transport is
1063
guaranteed to point to an existing directory ready for use.
1065
raise NotImplementedError(self.get_repository_transport)
1067
def get_workingtree_transport(self, tree_format):
1068
"""Get the transport for use by workingtree format in this BzrDir.
1070
Note that bzr dirs that do not support format strings will raise
1071
IncompatibleFormat if the workingtree format they are given has a
1072
format string, and vice versa.
1074
If workingtree_format is None, the transport is returned with no
1075
checking. If it is not None, then the returned transport is
1076
guaranteed to point to an existing directory ready for use.
1078
raise NotImplementedError(self.get_workingtree_transport)
1081
class BzrDirHooks(hooks.Hooks):
1082
"""Hooks for BzrDir operations."""
1085
"""Create the default hooks."""
1086
hooks.Hooks.__init__(self, "bzrlib.bzrdir", "BzrDir.hooks")
1087
self.add_hook('pre_open',
1088
"Invoked before attempting to open a BzrDir with the transport "
1089
"that the open will use.", (1, 14))
1090
self.add_hook('post_repo_init',
1091
"Invoked after a repository has been initialized. "
1092
"post_repo_init is called with a "
1093
"bzrlib.bzrdir.RepoInitHookParams.",
1096
# install the default hooks
1097
BzrDir.hooks = BzrDirHooks()
1100
class RepoInitHookParams(object):
1101
"""Object holding parameters passed to `*_repo_init` hooks.
1103
There are 4 fields that hooks may wish to access:
1105
:ivar repository: Repository created
1106
:ivar format: Repository format
1107
:ivar bzrdir: The bzrdir for the repository
1108
:ivar shared: The repository is shared
1111
def __init__(self, repository, format, a_bzrdir, shared):
1112
"""Create a group of RepoInitHook parameters.
1114
:param repository: Repository created
1115
:param format: Repository format
1116
:param bzrdir: The bzrdir for the repository
1117
:param shared: The repository is shared
1119
self.repository = repository
1120
self.format = format
1121
self.bzrdir = a_bzrdir
1122
self.shared = shared
1124
def __eq__(self, other):
1125
return self.__dict__ == other.__dict__
1129
return "<%s for %s>" % (self.__class__.__name__,
1132
return "<%s for %s>" % (self.__class__.__name__,
1136
class BzrDirMeta1(BzrDir):
1137
"""A .bzr meta version 1 control object.
1139
This is the first control object where the
1140
individual aspects are really split out: there are separate repository,
1141
workingtree and branch subdirectories and any subset of the three can be
1142
present within a BzrDir.
1145
def can_convert_format(self):
1146
"""See BzrDir.can_convert_format()."""
1149
def create_branch(self, name=None, repository=None,
1150
append_revisions_only=None):
1151
"""See BzrDir.create_branch."""
1152
return self._format.get_branch_format().initialize(self, name=name,
1153
repository=repository,
1154
append_revisions_only=append_revisions_only)
1156
def destroy_branch(self, name=None):
1157
"""See BzrDir.create_branch."""
1158
if name is not None:
1159
raise errors.NoColocatedBranchSupport(self)
1160
self.transport.delete_tree('branch')
1162
def create_repository(self, shared=False):
1163
"""See BzrDir.create_repository."""
1164
return self._format.repository_format.initialize(self, shared)
1166
def destroy_repository(self):
1167
"""See BzrDir.destroy_repository."""
1168
self.transport.delete_tree('repository')
1170
def create_workingtree(self, revision_id=None, from_branch=None,
1171
accelerator_tree=None, hardlink=False):
1172
"""See BzrDir.create_workingtree."""
1173
return self._format.workingtree_format.initialize(
1174
self, revision_id, from_branch=from_branch,
1175
accelerator_tree=accelerator_tree, hardlink=hardlink)
1177
def destroy_workingtree(self):
1178
"""See BzrDir.destroy_workingtree."""
1179
wt = self.open_workingtree(recommend_upgrade=False)
1180
repository = wt.branch.repository
1181
empty = repository.revision_tree(_mod_revision.NULL_REVISION)
1182
# We ignore the conflicts returned by wt.revert since we're about to
1183
# delete the wt metadata anyway, all that should be left here are
1184
# detritus. But see bug #634470 about subtree .bzr dirs.
1185
conflicts = wt.revert(old_tree=empty)
1186
self.destroy_workingtree_metadata()
1188
def destroy_workingtree_metadata(self):
1189
self.transport.delete_tree('checkout')
1191
def find_branch_format(self, name=None):
1192
"""Find the branch 'format' for this bzrdir.
1194
This might be a synthetic object for e.g. RemoteBranch and SVN.
1196
from bzrlib.branch import BranchFormat
1197
return BranchFormat.find_format(self, name=name)
1199
def _get_mkdir_mode(self):
1200
"""Figure out the mode to use when creating a bzrdir subdir."""
1201
temp_control = lockable_files.LockableFiles(self.transport, '',
1202
lockable_files.TransportLock)
1203
return temp_control._dir_mode
1205
def get_branch_reference(self, name=None):
1206
"""See BzrDir.get_branch_reference()."""
1207
from bzrlib.branch import BranchFormat
1208
format = BranchFormat.find_format(self, name=name)
1209
return format.get_reference(self, name=name)
1211
def get_branch_transport(self, branch_format, name=None):
1212
"""See BzrDir.get_branch_transport()."""
1213
if name is not None:
1214
raise errors.NoColocatedBranchSupport(self)
1215
# XXX: this shouldn't implicitly create the directory if it's just
1216
# promising to get a transport -- mbp 20090727
1217
if branch_format is None:
1218
return self.transport.clone('branch')
1220
branch_format.get_format_string()
1221
except NotImplementedError:
1222
raise errors.IncompatibleFormat(branch_format, self._format)
1224
self.transport.mkdir('branch', mode=self._get_mkdir_mode())
1225
except errors.FileExists:
1227
return self.transport.clone('branch')
1229
def get_repository_transport(self, repository_format):
1230
"""See BzrDir.get_repository_transport()."""
1231
if repository_format is None:
1232
return self.transport.clone('repository')
1234
repository_format.get_format_string()
1235
except NotImplementedError:
1236
raise errors.IncompatibleFormat(repository_format, self._format)
1238
self.transport.mkdir('repository', mode=self._get_mkdir_mode())
1239
except errors.FileExists:
1241
return self.transport.clone('repository')
1243
def get_workingtree_transport(self, workingtree_format):
1244
"""See BzrDir.get_workingtree_transport()."""
1245
if workingtree_format is None:
1246
return self.transport.clone('checkout')
1248
workingtree_format.get_format_string()
1249
except NotImplementedError:
1250
raise errors.IncompatibleFormat(workingtree_format, self._format)
1252
self.transport.mkdir('checkout', mode=self._get_mkdir_mode())
1253
except errors.FileExists:
1255
return self.transport.clone('checkout')
1257
def has_workingtree(self):
1258
"""Tell if this bzrdir contains a working tree.
1260
Note: if you're going to open the working tree, you should just go
1261
ahead and try, and not ask permission first.
1263
from bzrlib.workingtree import WorkingTreeFormat
1265
WorkingTreeFormat.find_format_string(self)
1266
except errors.NoWorkingTree:
1270
def needs_format_conversion(self, format):
1271
"""See BzrDir.needs_format_conversion()."""
1272
if not isinstance(self._format, format.__class__):
1273
# it is not a meta dir format, conversion is needed.
1275
# we might want to push this down to the repository?
1277
if not isinstance(self.open_repository()._format,
1278
format.repository_format.__class__):
1279
# the repository needs an upgrade.
1281
except errors.NoRepositoryPresent:
1283
for branch in self.list_branches():
1284
if not isinstance(branch._format,
1285
format.get_branch_format().__class__):
1286
# the branch needs an upgrade.
1289
my_wt = self.open_workingtree(recommend_upgrade=False)
1290
if not isinstance(my_wt._format,
1291
format.workingtree_format.__class__):
1292
# the workingtree needs an upgrade.
1294
except (errors.NoWorkingTree, errors.NotLocalUrl):
1298
def open_branch(self, name=None, unsupported=False,
1299
ignore_fallbacks=False):
1300
"""See BzrDir.open_branch."""
1301
format = self.find_branch_format(name=name)
1302
format.check_support_status(unsupported)
1303
return format.open(self, name=name,
1304
_found=True, ignore_fallbacks=ignore_fallbacks)
1306
def open_repository(self, unsupported=False):
1307
"""See BzrDir.open_repository."""
1308
from bzrlib.repository import RepositoryFormat
1309
format = RepositoryFormat.find_format(self)
1310
format.check_support_status(unsupported)
1311
return format.open(self, _found=True)
1313
def open_workingtree(self, unsupported=False,
1314
recommend_upgrade=True):
1315
"""See BzrDir.open_workingtree."""
1316
from bzrlib.workingtree import WorkingTreeFormat
1317
format = WorkingTreeFormat.find_format(self)
1318
format.check_support_status(unsupported, recommend_upgrade,
1319
basedir=self.root_transport.base)
1320
return format.open(self, _found=True)
1322
def _get_config(self):
1323
return config.TransportConfig(self.transport, 'control.conf')
1326
class BzrProber(controldir.Prober):
1327
"""Prober for formats that use a .bzr/ control directory."""
1329
formats = registry.FormatRegistry(controldir.network_format_registry)
1330
"""The known .bzr formats."""
1333
@deprecated_method(deprecated_in((2, 4, 0)))
1334
def register_bzrdir_format(klass, format):
1335
klass.formats.register(format.get_format_string(), format)
1338
@deprecated_method(deprecated_in((2, 4, 0)))
1339
def unregister_bzrdir_format(klass, format):
1340
klass.formats.remove(format.get_format_string())
1343
def probe_transport(klass, transport):
1344
"""Return the .bzrdir style format present in a directory."""
1346
format_string = transport.get_bytes(".bzr/branch-format")
1347
except errors.NoSuchFile:
1348
raise errors.NotBranchError(path=transport.base)
1350
return klass.formats.get(format_string)
1352
raise errors.UnknownFormatError(format=format_string, kind='bzrdir')
1355
def known_formats(cls):
1357
for name, format in cls.formats.iteritems():
1358
if callable(format):
1364
controldir.ControlDirFormat.register_prober(BzrProber)
1367
class RemoteBzrProber(controldir.Prober):
1368
"""Prober for remote servers that provide a Bazaar smart server."""
1371
def probe_transport(klass, transport):
1372
"""Return a RemoteBzrDirFormat object if it looks possible."""
1374
medium = transport.get_smart_medium()
1375
except (NotImplementedError, AttributeError,
1376
errors.TransportNotPossible, errors.NoSmartMedium,
1377
errors.SmartProtocolError):
1378
# no smart server, so not a branch for this format type.
1379
raise errors.NotBranchError(path=transport.base)
1381
# Decline to open it if the server doesn't support our required
1382
# version (3) so that the VFS-based transport will do it.
1383
if medium.should_probe():
1385
server_version = medium.protocol_version()
1386
except errors.SmartProtocolError:
1387
# Apparently there's no usable smart server there, even though
1388
# the medium supports the smart protocol.
1389
raise errors.NotBranchError(path=transport.base)
1390
if server_version != '2':
1391
raise errors.NotBranchError(path=transport.base)
1392
from bzrlib.remote import RemoteBzrDirFormat
1393
return RemoteBzrDirFormat()
1396
def known_formats(cls):
1397
from bzrlib.remote import RemoteBzrDirFormat
1398
return set([RemoteBzrDirFormat()])
1401
class BzrDirFormat(controldir.ControlDirFormat):
1402
"""ControlDirFormat base class for .bzr/ directories.
1404
Formats are placed in a dict by their format string for reference
1405
during bzrdir opening. These should be subclasses of BzrDirFormat
1408
Once a format is deprecated, just deprecate the initialize and open
1409
methods on the format class. Do not deprecate the object, as the
1410
object will be created every system load.
1413
_lock_file_name = 'branch-lock'
1415
# _lock_class must be set in subclasses to the lock type, typ.
1416
# TransportLock or LockDir
1419
def get_format_string(cls):
1420
"""Return the ASCII format string that identifies this format."""
1421
raise NotImplementedError(cls.get_format_string)
1423
def initialize_on_transport(self, transport):
1424
"""Initialize a new bzrdir in the base directory of a Transport."""
1426
# can we hand off the request to the smart server rather than using
1428
client_medium = transport.get_smart_medium()
1429
except errors.NoSmartMedium:
1430
return self._initialize_on_transport_vfs(transport)
1432
# Current RPC's only know how to create bzr metadir1 instances, so
1433
# we still delegate to vfs methods if the requested format is not a
1435
if type(self) != BzrDirMetaFormat1:
1436
return self._initialize_on_transport_vfs(transport)
1437
from bzrlib.remote import RemoteBzrDirFormat
1438
remote_format = RemoteBzrDirFormat()
1439
self._supply_sub_formats_to(remote_format)
1440
return remote_format.initialize_on_transport(transport)
1442
def initialize_on_transport_ex(self, transport, use_existing_dir=False,
1443
create_prefix=False, force_new_repo=False, stacked_on=None,
1444
stack_on_pwd=None, repo_format_name=None, make_working_trees=None,
1445
shared_repo=False, vfs_only=False):
1446
"""Create this format on transport.
1448
The directory to initialize will be created.
1450
:param force_new_repo: Do not use a shared repository for the target,
1451
even if one is available.
1452
:param create_prefix: Create any missing directories leading up to
1454
:param use_existing_dir: Use an existing directory if one exists.
1455
:param stacked_on: A url to stack any created branch on, None to follow
1456
any target stacking policy.
1457
:param stack_on_pwd: If stack_on is relative, the location it is
1459
:param repo_format_name: If non-None, a repository will be
1460
made-or-found. Should none be found, or if force_new_repo is True
1461
the repo_format_name is used to select the format of repository to
1463
:param make_working_trees: Control the setting of make_working_trees
1464
for a new shared repository when one is made. None to use whatever
1465
default the format has.
1466
:param shared_repo: Control whether made repositories are shared or
1468
:param vfs_only: If True do not attempt to use a smart server
1469
:return: repo, bzrdir, require_stacking, repository_policy. repo is
1470
None if none was created or found, bzrdir is always valid.
1471
require_stacking is the result of examining the stacked_on
1472
parameter and any stacking policy found for the target.
1475
# Try to hand off to a smart server
1477
client_medium = transport.get_smart_medium()
1478
except errors.NoSmartMedium:
1481
from bzrlib.remote import RemoteBzrDirFormat
1482
# TODO: lookup the local format from a server hint.
1483
remote_dir_format = RemoteBzrDirFormat()
1484
remote_dir_format._network_name = self.network_name()
1485
self._supply_sub_formats_to(remote_dir_format)
1486
return remote_dir_format.initialize_on_transport_ex(transport,
1487
use_existing_dir=use_existing_dir, create_prefix=create_prefix,
1488
force_new_repo=force_new_repo, stacked_on=stacked_on,
1489
stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
1490
make_working_trees=make_working_trees, shared_repo=shared_repo)
1491
# XXX: Refactor the create_prefix/no_create_prefix code into a
1492
# common helper function
1493
# The destination may not exist - if so make it according to policy.
1494
def make_directory(transport):
1495
transport.mkdir('.')
1497
def redirected(transport, e, redirection_notice):
1498
note(redirection_notice)
1499
return transport._redirected_to(e.source, e.target)
1501
transport = do_catching_redirections(make_directory, transport,
1503
except errors.FileExists:
1504
if not use_existing_dir:
1506
except errors.NoSuchFile:
1507
if not create_prefix:
1509
transport.create_prefix()
1511
require_stacking = (stacked_on is not None)
1512
# Now the target directory exists, but doesn't have a .bzr
1513
# directory. So we need to create it, along with any work to create
1514
# all of the dependent branches, etc.
1516
result = self.initialize_on_transport(transport)
1517
if repo_format_name:
1519
# use a custom format
1520
result._format.repository_format = \
1521
repository.network_format_registry.get(repo_format_name)
1522
except AttributeError:
1523
# The format didn't permit it to be set.
1525
# A repository is desired, either in-place or shared.
1526
repository_policy = result.determine_repository_policy(
1527
force_new_repo, stacked_on, stack_on_pwd,
1528
require_stacking=require_stacking)
1529
result_repo, is_new_repo = repository_policy.acquire_repository(
1530
make_working_trees, shared_repo)
1531
if not require_stacking and repository_policy._require_stacking:
1532
require_stacking = True
1533
result._format.require_stacking()
1534
result_repo.lock_write()
1537
repository_policy = None
1538
return result_repo, result, require_stacking, repository_policy
1540
def _initialize_on_transport_vfs(self, transport):
1541
"""Initialize a new bzrdir using VFS calls.
1543
:param transport: The transport to create the .bzr directory in.
1546
# Since we are creating a .bzr directory, inherit the
1547
# mode from the root directory
1548
temp_control = lockable_files.LockableFiles(transport,
1549
'', lockable_files.TransportLock)
1550
temp_control._transport.mkdir('.bzr',
1551
# FIXME: RBC 20060121 don't peek under
1553
mode=temp_control._dir_mode)
1554
if sys.platform == 'win32' and isinstance(transport, local.LocalTransport):
1555
win32utils.set_file_attr_hidden(transport._abspath('.bzr'))
1556
file_mode = temp_control._file_mode
1558
bzrdir_transport = transport.clone('.bzr')
1559
utf8_files = [('README',
1560
"This is a Bazaar control directory.\n"
1561
"Do not change any files in this directory.\n"
1562
"See http://bazaar.canonical.com/ for more information about Bazaar.\n"),
1563
('branch-format', self.get_format_string()),
1565
# NB: no need to escape relative paths that are url safe.
1566
control_files = lockable_files.LockableFiles(bzrdir_transport,
1567
self._lock_file_name, self._lock_class)
1568
control_files.create_lock()
1569
control_files.lock_write()
1571
for (filename, content) in utf8_files:
1572
bzrdir_transport.put_bytes(filename, content,
1575
control_files.unlock()
1576
return self.open(transport, _found=True)
1578
def open(self, transport, _found=False):
1579
"""Return an instance of this format for the dir transport points at.
1581
_found is a private parameter, do not use it.
1584
found_format = controldir.ControlDirFormat.find_format(transport)
1585
if not isinstance(found_format, self.__class__):
1586
raise AssertionError("%s was asked to open %s, but it seems to need "
1588
% (self, transport, found_format))
1589
# Allow subclasses - use the found format.
1590
self._supply_sub_formats_to(found_format)
1591
return found_format._open(transport)
1592
return self._open(transport)
1594
def _open(self, transport):
1595
"""Template method helper for opening BzrDirectories.
1597
This performs the actual open and any additional logic or parameter
1600
raise NotImplementedError(self._open)
1602
def _supply_sub_formats_to(self, other_format):
1603
"""Give other_format the same values for sub formats as this has.
1605
This method is expected to be used when parameterising a
1606
RemoteBzrDirFormat instance with the parameters from a
1607
BzrDirMetaFormat1 instance.
1609
:param other_format: other_format is a format which should be
1610
compatible with whatever sub formats are supported by self.
1615
class BzrDirMetaFormat1(BzrDirFormat):
1616
"""Bzr meta control format 1
1618
This is the first format with split out working tree, branch and repository
1623
- Format 3 working trees [optional]
1624
- Format 5 branches [optional]
1625
- Format 7 repositories [optional]
1628
_lock_class = lockdir.LockDir
1630
fixed_components = False
1633
self._workingtree_format = None
1634
self._branch_format = None
1635
self._repository_format = None
1637
def __eq__(self, other):
1638
if other.__class__ is not self.__class__:
1640
if other.repository_format != self.repository_format:
1642
if other.workingtree_format != self.workingtree_format:
1646
def __ne__(self, other):
1647
return not self == other
1649
def get_branch_format(self):
1650
if self._branch_format is None:
1651
from bzrlib.branch import format_registry as branch_format_registry
1652
self._branch_format = branch_format_registry.get_default()
1653
return self._branch_format
1655
def set_branch_format(self, format):
1656
self._branch_format = format
1658
def require_stacking(self, stack_on=None, possible_transports=None,
1660
"""We have a request to stack, try to ensure the formats support it.
1662
:param stack_on: If supplied, it is the URL to a branch that we want to
1663
stack on. Check to see if that format supports stacking before
1666
# Stacking is desired. requested by the target, but does the place it
1667
# points at support stacking? If it doesn't then we should
1668
# not implicitly upgrade. We check this here.
1669
new_repo_format = None
1670
new_branch_format = None
1672
# a bit of state for get_target_branch so that we don't try to open it
1673
# 2 times, for both repo *and* branch
1674
target = [None, False, None] # target_branch, checked, upgrade anyway
1675
def get_target_branch():
1677
# We've checked, don't check again
1679
if stack_on is None:
1680
# No target format, that means we want to force upgrading
1681
target[:] = [None, True, True]
1684
target_dir = BzrDir.open(stack_on,
1685
possible_transports=possible_transports)
1686
except errors.NotBranchError:
1687
# Nothing there, don't change formats
1688
target[:] = [None, True, False]
1690
except errors.JailBreak:
1691
# JailBreak, JFDI and upgrade anyway
1692
target[:] = [None, True, True]
1695
target_branch = target_dir.open_branch()
1696
except errors.NotBranchError:
1697
# No branch, don't upgrade formats
1698
target[:] = [None, True, False]
1700
target[:] = [target_branch, True, False]
1703
if (not _skip_repo and
1704
not self.repository_format.supports_external_lookups):
1705
# We need to upgrade the Repository.
1706
target_branch, _, do_upgrade = get_target_branch()
1707
if target_branch is None:
1708
# We don't have a target branch, should we upgrade anyway?
1710
# stack_on is inaccessible, JFDI.
1711
# TODO: bad monkey, hard-coded formats...
1712
if self.repository_format.rich_root_data:
1713
new_repo_format = knitpack_repo.RepositoryFormatKnitPack5RichRoot()
1715
new_repo_format = knitpack_repo.RepositoryFormatKnitPack5()
1717
# If the target already supports stacking, then we know the
1718
# project is already able to use stacking, so auto-upgrade
1720
new_repo_format = target_branch.repository._format
1721
if not new_repo_format.supports_external_lookups:
1722
# target doesn't, source doesn't, so don't auto upgrade
1724
new_repo_format = None
1725
if new_repo_format is not None:
1726
self.repository_format = new_repo_format
1727
note(gettext('Source repository format does not support stacking,'
1728
' using format:\n %s'),
1729
new_repo_format.get_format_description())
1731
if not self.get_branch_format().supports_stacking():
1732
# We just checked the repo, now lets check if we need to
1733
# upgrade the branch format
1734
target_branch, _, do_upgrade = get_target_branch()
1735
if target_branch is None:
1737
# TODO: bad monkey, hard-coded formats...
1738
from bzrlib.branch import BzrBranchFormat7
1739
new_branch_format = BzrBranchFormat7()
1741
new_branch_format = target_branch._format
1742
if not new_branch_format.supports_stacking():
1743
new_branch_format = None
1744
if new_branch_format is not None:
1745
# Does support stacking, use its format.
1746
self.set_branch_format(new_branch_format)
1747
note(gettext('Source branch format does not support stacking,'
1748
' using format:\n %s'),
1749
new_branch_format.get_format_description())
1751
def get_converter(self, format=None):
1752
"""See BzrDirFormat.get_converter()."""
1754
format = BzrDirFormat.get_default_format()
1755
if not isinstance(self, format.__class__):
1756
# converting away from metadir is not implemented
1757
raise NotImplementedError(self.get_converter)
1758
return ConvertMetaToMeta(format)
1761
def get_format_string(cls):
1762
"""See BzrDirFormat.get_format_string()."""
1763
return "Bazaar-NG meta directory, format 1\n"
1765
def get_format_description(self):
1766
"""See BzrDirFormat.get_format_description()."""
1767
return "Meta directory format 1"
1769
def network_name(self):
1770
return self.get_format_string()
1772
def _open(self, transport):
1773
"""See BzrDirFormat._open."""
1774
# Create a new format instance because otherwise initialisation of new
1775
# metadirs share the global default format object leading to alias
1777
format = BzrDirMetaFormat1()
1778
self._supply_sub_formats_to(format)
1779
return BzrDirMeta1(transport, format)
1781
def __return_repository_format(self):
1782
"""Circular import protection."""
1783
if self._repository_format:
1784
return self._repository_format
1785
from bzrlib.repository import format_registry
1786
return format_registry.get_default()
1788
def _set_repository_format(self, value):
1789
"""Allow changing the repository format for metadir formats."""
1790
self._repository_format = value
1792
repository_format = property(__return_repository_format,
1793
_set_repository_format)
1795
def _supply_sub_formats_to(self, other_format):
1796
"""Give other_format the same values for sub formats as this has.
1798
This method is expected to be used when parameterising a
1799
RemoteBzrDirFormat instance with the parameters from a
1800
BzrDirMetaFormat1 instance.
1802
:param other_format: other_format is a format which should be
1803
compatible with whatever sub formats are supported by self.
1806
if getattr(self, '_repository_format', None) is not None:
1807
other_format.repository_format = self.repository_format
1808
if self._branch_format is not None:
1809
other_format._branch_format = self._branch_format
1810
if self._workingtree_format is not None:
1811
other_format.workingtree_format = self.workingtree_format
1813
def __get_workingtree_format(self):
1814
if self._workingtree_format is None:
1815
from bzrlib.workingtree import (
1816
format_registry as wt_format_registry,
1818
self._workingtree_format = wt_format_registry.get_default()
1819
return self._workingtree_format
1821
def __set_workingtree_format(self, wt_format):
1822
self._workingtree_format = wt_format
1824
workingtree_format = property(__get_workingtree_format,
1825
__set_workingtree_format)
1828
# Register bzr formats
1829
BzrProber.formats.register(BzrDirMetaFormat1.get_format_string(),
1831
controldir.ControlDirFormat._default_format = BzrDirMetaFormat1()
1834
class ConvertMetaToMeta(controldir.Converter):
1835
"""Converts the components of metadirs."""
1837
def __init__(self, target_format):
1838
"""Create a metadir to metadir converter.
1840
:param target_format: The final metadir format that is desired.
1842
self.target_format = target_format
1844
def convert(self, to_convert, pb):
1845
"""See Converter.convert()."""
1846
self.bzrdir = to_convert
1847
self.pb = ui.ui_factory.nested_progress_bar()
1850
self.step('checking repository format')
1852
repo = self.bzrdir.open_repository()
1853
except errors.NoRepositoryPresent:
1856
if not isinstance(repo._format, self.target_format.repository_format.__class__):
1857
from bzrlib.repository import CopyConverter
1858
ui.ui_factory.note(gettext('starting repository conversion'))
1859
converter = CopyConverter(self.target_format.repository_format)
1860
converter.convert(repo, pb)
1861
for branch in self.bzrdir.list_branches():
1862
# TODO: conversions of Branch and Tree should be done by
1863
# InterXFormat lookups/some sort of registry.
1864
# Avoid circular imports
1865
old = branch._format.__class__
1866
new = self.target_format.get_branch_format().__class__
1868
if (old == _mod_branch.BzrBranchFormat5 and
1869
new in (_mod_branch.BzrBranchFormat6,
1870
_mod_branch.BzrBranchFormat7,
1871
_mod_branch.BzrBranchFormat8)):
1872
branch_converter = _mod_branch.Converter5to6()
1873
elif (old == _mod_branch.BzrBranchFormat6 and
1874
new in (_mod_branch.BzrBranchFormat7,
1875
_mod_branch.BzrBranchFormat8)):
1876
branch_converter = _mod_branch.Converter6to7()
1877
elif (old == _mod_branch.BzrBranchFormat7 and
1878
new is _mod_branch.BzrBranchFormat8):
1879
branch_converter = _mod_branch.Converter7to8()
1881
raise errors.BadConversionTarget("No converter", new,
1883
branch_converter.convert(branch)
1884
branch = self.bzrdir.open_branch()
1885
old = branch._format.__class__
1887
tree = self.bzrdir.open_workingtree(recommend_upgrade=False)
1888
except (errors.NoWorkingTree, errors.NotLocalUrl):
1891
# TODO: conversions of Branch and Tree should be done by
1892
# InterXFormat lookups
1893
if (isinstance(tree, workingtree_3.WorkingTree3) and
1894
not isinstance(tree, workingtree_4.DirStateWorkingTree) and
1895
isinstance(self.target_format.workingtree_format,
1896
workingtree_4.DirStateWorkingTreeFormat)):
1897
workingtree_4.Converter3to4().convert(tree)
1898
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
1899
not isinstance(tree, workingtree_4.WorkingTree5) and
1900
isinstance(self.target_format.workingtree_format,
1901
workingtree_4.WorkingTreeFormat5)):
1902
workingtree_4.Converter4to5().convert(tree)
1903
if (isinstance(tree, workingtree_4.DirStateWorkingTree) and
1904
not isinstance(tree, workingtree_4.WorkingTree6) and
1905
isinstance(self.target_format.workingtree_format,
1906
workingtree_4.WorkingTreeFormat6)):
1907
workingtree_4.Converter4or5to6().convert(tree)
1912
controldir.ControlDirFormat.register_server_prober(RemoteBzrProber)
1915
class RepositoryAcquisitionPolicy(object):
1916
"""Abstract base class for repository acquisition policies.
1918
A repository acquisition policy decides how a BzrDir acquires a repository
1919
for a branch that is being created. The most basic policy decision is
1920
whether to create a new repository or use an existing one.
1922
def __init__(self, stack_on, stack_on_pwd, require_stacking):
1925
:param stack_on: A location to stack on
1926
:param stack_on_pwd: If stack_on is relative, the location it is
1928
:param require_stacking: If True, it is a failure to not stack.
1930
self._stack_on = stack_on
1931
self._stack_on_pwd = stack_on_pwd
1932
self._require_stacking = require_stacking
1934
def configure_branch(self, branch):
1935
"""Apply any configuration data from this policy to the branch.
1937
Default implementation sets repository stacking.
1939
if self._stack_on is None:
1941
if self._stack_on_pwd is None:
1942
stack_on = self._stack_on
1945
stack_on = urlutils.rebase_url(self._stack_on,
1948
except errors.InvalidRebaseURLs:
1949
stack_on = self._get_full_stack_on()
1951
branch.set_stacked_on_url(stack_on)
1952
except (errors.UnstackableBranchFormat,
1953
errors.UnstackableRepositoryFormat):
1954
if self._require_stacking:
1957
def requires_stacking(self):
1958
"""Return True if this policy requires stacking."""
1959
return self._stack_on is not None and self._require_stacking
1961
def _get_full_stack_on(self):
1962
"""Get a fully-qualified URL for the stack_on location."""
1963
if self._stack_on is None:
1965
if self._stack_on_pwd is None:
1966
return self._stack_on
1968
return urlutils.join(self._stack_on_pwd, self._stack_on)
1970
def _add_fallback(self, repository, possible_transports=None):
1971
"""Add a fallback to the supplied repository, if stacking is set."""
1972
stack_on = self._get_full_stack_on()
1973
if stack_on is None:
1976
stacked_dir = BzrDir.open(stack_on,
1977
possible_transports=possible_transports)
1978
except errors.JailBreak:
1979
# We keep the stacking details, but we are in the server code so
1980
# actually stacking is not needed.
1983
stacked_repo = stacked_dir.open_branch().repository
1984
except errors.NotBranchError:
1985
stacked_repo = stacked_dir.open_repository()
1987
repository.add_fallback_repository(stacked_repo)
1988
except errors.UnstackableRepositoryFormat:
1989
if self._require_stacking:
1992
self._require_stacking = True
1994
def acquire_repository(self, make_working_trees=None, shared=False):
1995
"""Acquire a repository for this bzrdir.
1997
Implementations may create a new repository or use a pre-exising
2000
:param make_working_trees: If creating a repository, set
2001
make_working_trees to this value (if non-None)
2002
:param shared: If creating a repository, make it shared if True
2003
:return: A repository, is_new_flag (True if the repository was
2006
raise NotImplemented(RepositoryAcquisitionPolicy.acquire_repository)
2009
class CreateRepository(RepositoryAcquisitionPolicy):
2010
"""A policy of creating a new repository"""
2012
def __init__(self, bzrdir, stack_on=None, stack_on_pwd=None,
2013
require_stacking=False):
2016
:param bzrdir: The bzrdir to create the repository on.
2017
:param stack_on: A location to stack on
2018
:param stack_on_pwd: If stack_on is relative, the location it is
2021
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2023
self._bzrdir = bzrdir
2025
def acquire_repository(self, make_working_trees=None, shared=False):
2026
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2028
Creates the desired repository in the bzrdir we already have.
2030
stack_on = self._get_full_stack_on()
2032
format = self._bzrdir._format
2033
format.require_stacking(stack_on=stack_on,
2034
possible_transports=[self._bzrdir.root_transport])
2035
if not self._require_stacking:
2036
# We have picked up automatic stacking somewhere.
2037
note(gettext('Using default stacking branch {0} at {1}').format(
2038
self._stack_on, self._stack_on_pwd))
2039
repository = self._bzrdir.create_repository(shared=shared)
2040
self._add_fallback(repository,
2041
possible_transports=[self._bzrdir.transport])
2042
if make_working_trees is not None:
2043
repository.set_make_working_trees(make_working_trees)
2044
return repository, True
2047
class UseExistingRepository(RepositoryAcquisitionPolicy):
2048
"""A policy of reusing an existing repository"""
2050
def __init__(self, repository, stack_on=None, stack_on_pwd=None,
2051
require_stacking=False):
2054
:param repository: The repository to use.
2055
:param stack_on: A location to stack on
2056
:param stack_on_pwd: If stack_on is relative, the location it is
2059
RepositoryAcquisitionPolicy.__init__(self, stack_on, stack_on_pwd,
2061
self._repository = repository
2063
def acquire_repository(self, make_working_trees=None, shared=False):
2064
"""Implementation of RepositoryAcquisitionPolicy.acquire_repository
2066
Returns an existing repository to use.
2068
self._add_fallback(self._repository,
2069
possible_transports=[self._repository.bzrdir.transport])
2070
return self._repository, False
2073
def register_metadir(registry, key,
2074
repository_format, help, native=True, deprecated=False,
2080
"""Register a metadir subformat.
2082
These all use a BzrDirMetaFormat1 bzrdir, but can be parameterized
2083
by the Repository/Branch/WorkingTreeformats.
2085
:param repository_format: The fully-qualified repository format class
2087
:param branch_format: Fully-qualified branch format class name as
2089
:param tree_format: Fully-qualified tree format class name as
2092
# This should be expanded to support setting WorkingTree and Branch
2093
# formats, once BzrDirMetaFormat1 supports that.
2094
def _load(full_name):
2095
mod_name, factory_name = full_name.rsplit('.', 1)
2097
factory = pyutils.get_named_object(mod_name, factory_name)
2098
except ImportError, e:
2099
raise ImportError('failed to load %s: %s' % (full_name, e))
2100
except AttributeError:
2101
raise AttributeError('no factory %s in module %r'
2102
% (full_name, sys.modules[mod_name]))
2106
bd = BzrDirMetaFormat1()
2107
if branch_format is not None:
2108
bd.set_branch_format(_load(branch_format))
2109
if tree_format is not None:
2110
bd.workingtree_format = _load(tree_format)
2111
if repository_format is not None:
2112
bd.repository_format = _load(repository_format)
2114
registry.register(key, helper, help, native, deprecated, hidden,
2115
experimental, alias)
2117
register_metadir(controldir.format_registry, 'knit',
2118
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2119
'Format using knits. Recommended for interoperation with bzr <= 0.14.',
2120
branch_format='bzrlib.branch.BzrBranchFormat5',
2121
tree_format='bzrlib.workingtree_3.WorkingTreeFormat3',
2124
register_metadir(controldir.format_registry, 'dirstate',
2125
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2126
help='New in 0.15: Fast local operations. Compatible with bzr 0.8 and '
2127
'above when accessed over the network.',
2128
branch_format='bzrlib.branch.BzrBranchFormat5',
2129
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2132
register_metadir(controldir.format_registry, 'dirstate-tags',
2133
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
2134
help='New in 0.15: Fast local operations and improved scaling for '
2135
'network operations. Additionally adds support for tags.'
2136
' Incompatible with bzr < 0.15.',
2137
branch_format='bzrlib.branch.BzrBranchFormat6',
2138
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2141
register_metadir(controldir.format_registry, 'rich-root',
2142
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit4',
2143
help='New in 1.0. Better handling of tree roots. Incompatible with'
2145
branch_format='bzrlib.branch.BzrBranchFormat6',
2146
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2149
register_metadir(controldir.format_registry, 'dirstate-with-subtree',
2150
'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
2151
help='New in 0.15: Fast local operations and improved scaling for '
2152
'network operations. Additionally adds support for versioning nested '
2153
'bzr branches. Incompatible with bzr < 0.15.',
2154
branch_format='bzrlib.branch.BzrBranchFormat6',
2155
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2159
register_metadir(controldir.format_registry, 'pack-0.92',
2160
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack1',
2161
help='New in 0.92: Pack-based format with data compatible with '
2162
'dirstate-tags format repositories. Interoperates with '
2163
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
2165
branch_format='bzrlib.branch.BzrBranchFormat6',
2166
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2168
register_metadir(controldir.format_registry, 'pack-0.92-subtree',
2169
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack3',
2170
help='New in 0.92: Pack-based format with data compatible with '
2171
'dirstate-with-subtree format repositories. Interoperates with '
2172
'bzr repositories before 0.92 but cannot be read by bzr < 0.92. '
2174
branch_format='bzrlib.branch.BzrBranchFormat6',
2175
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2179
register_metadir(controldir.format_registry, 'rich-root-pack',
2180
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack4',
2181
help='New in 1.0: A variant of pack-0.92 that supports rich-root data '
2182
'(needed for bzr-svn and bzr-git).',
2183
branch_format='bzrlib.branch.BzrBranchFormat6',
2184
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2187
register_metadir(controldir.format_registry, '1.6',
2188
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack5',
2189
help='A format that allows a branch to indicate that there is another '
2190
'(stacked) repository that should be used to access data that is '
2191
'not present locally.',
2192
branch_format='bzrlib.branch.BzrBranchFormat7',
2193
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2196
register_metadir(controldir.format_registry, '1.6.1-rich-root',
2197
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack5RichRoot',
2198
help='A variant of 1.6 that supports rich-root data '
2199
'(needed for bzr-svn and bzr-git).',
2200
branch_format='bzrlib.branch.BzrBranchFormat7',
2201
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2204
register_metadir(controldir.format_registry, '1.9',
2205
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6',
2206
help='A repository format using B+tree indexes. These indexes '
2207
'are smaller in size, have smarter caching and provide faster '
2208
'performance for most operations.',
2209
branch_format='bzrlib.branch.BzrBranchFormat7',
2210
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2213
register_metadir(controldir.format_registry, '1.9-rich-root',
2214
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6RichRoot',
2215
help='A variant of 1.9 that supports rich-root data '
2216
'(needed for bzr-svn and bzr-git).',
2217
branch_format='bzrlib.branch.BzrBranchFormat7',
2218
tree_format='bzrlib.workingtree_4.WorkingTreeFormat4',
2221
register_metadir(controldir.format_registry, '1.14',
2222
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6',
2223
help='A working-tree format that supports content filtering.',
2224
branch_format='bzrlib.branch.BzrBranchFormat7',
2225
tree_format='bzrlib.workingtree_4.WorkingTreeFormat5',
2227
register_metadir(controldir.format_registry, '1.14-rich-root',
2228
'bzrlib.repofmt.knitpack_repo.RepositoryFormatKnitPack6RichRoot',
2229
help='A variant of 1.14 that supports rich-root data '
2230
'(needed for bzr-svn and bzr-git).',
2231
branch_format='bzrlib.branch.BzrBranchFormat7',
2232
tree_format='bzrlib.workingtree_4.WorkingTreeFormat5',
2234
# The following un-numbered 'development' formats should always just be aliases.
2235
register_metadir(controldir.format_registry, 'development-subtree',
2236
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2aSubtree',
2237
help='Current development format, subtree variant. Can convert data to and '
2238
'from pack-0.92-subtree (and anything compatible with '
2239
'pack-0.92-subtree) format repositories. Repositories and branches in '
2240
'this format can only be read by bzr.dev. Please read '
2241
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
2243
branch_format='bzrlib.branch.BzrBranchFormat7',
2244
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2247
alias=False, # Restore to being an alias when an actual development subtree format is added
2248
# This current non-alias status is simply because we did not introduce a
2249
# chk based subtree format.
2251
register_metadir(controldir.format_registry, 'development5-subtree',
2252
'bzrlib.repofmt.knitpack_repo.RepositoryFormatPackDevelopment2Subtree',
2253
help='Development format, subtree variant. Can convert data to and '
2254
'from pack-0.92-subtree (and anything compatible with '
2255
'pack-0.92-subtree) format repositories. Repositories and branches in '
2256
'this format can only be read by bzr.dev. Please read '
2257
'http://doc.bazaar.canonical.com/latest/developers/development-repo.html '
2259
branch_format='bzrlib.branch.BzrBranchFormat7',
2260
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2266
# And the development formats above will have aliased one of the following:
2268
# Finally, the current format.
2269
register_metadir(controldir.format_registry, '2a',
2270
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
2271
help='First format for bzr 2.0 series.\n'
2272
'Uses group-compress storage.\n'
2273
'Provides rich roots which are a one-way transition.\n',
2274
# 'storage in packs, 255-way hashed CHK inventory, bencode revision, group compress, '
2275
# 'rich roots. Supported by bzr 1.16 and later.',
2276
branch_format='bzrlib.branch.BzrBranchFormat7',
2277
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2281
# The following format should be an alias for the rich root equivalent
2282
# of the default format
2283
register_metadir(controldir.format_registry, 'default-rich-root',
2284
'bzrlib.repofmt.groupcompress_repo.RepositoryFormat2a',
2285
branch_format='bzrlib.branch.BzrBranchFormat7',
2286
tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',
2291
# The current format that is made on 'bzr init'.
2292
format_name = config.GlobalStack().get('default_format')
2293
controldir.format_registry.set_default(format_name)
2295
# XXX 2010-08-20 JRV: There is still a lot of code relying on
2296
# bzrlib.bzrdir.format_registry existing. When BzrDir.create/BzrDir.open/etc
2297
# get changed to ControlDir.create/ControlDir.open/etc this should be removed.
2298
format_registry = controldir.format_registry