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# Copyright (C) 2006, 2007, 2008 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# TODO: At some point, handle upgrades by just passing the whole request
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# across to run on the server.
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from bzrlib.branch import BranchReferenceFormat
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from bzrlib.bzrdir import BzrDir, RemoteBzrDirFormat
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from bzrlib.decorators import needs_read_lock, needs_write_lock
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from bzrlib.errors import (
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from bzrlib.lockable_files import LockableFiles
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from bzrlib.smart import client, vfs
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from bzrlib.revision import ensure_null, NULL_REVISION
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from bzrlib.trace import mutter, note, warning
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# Note: RemoteBzrDirFormat is in bzrdir.py
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class RemoteBzrDir(BzrDir):
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"""Control directory on a remote server, accessed via bzr:// or similar."""
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def __init__(self, transport, _client=None):
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"""Construct a RemoteBzrDir.
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:param _client: Private parameter for testing. Disables probing and the
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BzrDir.__init__(self, transport, RemoteBzrDirFormat())
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# this object holds a delegated bzrdir that uses file-level operations
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# to talk to the other side
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self._real_bzrdir = None
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medium = transport.get_smart_medium()
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self._client = client._SmartClient(medium)
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self._client = _client
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path = self._path_for_remote_call(self._client)
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response = self._client.call('BzrDir.open', path)
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if response not in [('yes',), ('no',)]:
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raise errors.UnexpectedSmartServerResponse(response)
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if response == ('no',):
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raise errors.NotBranchError(path=transport.base)
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def _ensure_real(self):
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"""Ensure that there is a _real_bzrdir set.
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Used before calls to self._real_bzrdir.
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if not self._real_bzrdir:
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self._real_bzrdir = BzrDir.open_from_transport(
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self.root_transport, _server_formats=False)
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def cloning_metadir(self, stacked=False):
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return self._real_bzrdir.cloning_metadir(stacked)
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def _translate_error(self, err, **context):
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_translate_error(err, bzrdir=self, **context)
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def create_repository(self, shared=False):
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self._real_bzrdir.create_repository(shared=shared)
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return self.open_repository()
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def destroy_repository(self):
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"""See BzrDir.destroy_repository"""
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self._real_bzrdir.destroy_repository()
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def create_branch(self):
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real_branch = self._real_bzrdir.create_branch()
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return RemoteBranch(self, self.find_repository(), real_branch)
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def destroy_branch(self):
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"""See BzrDir.destroy_branch"""
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self._real_bzrdir.destroy_branch()
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def create_workingtree(self, revision_id=None, from_branch=None):
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raise errors.NotLocalUrl(self.transport.base)
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def find_branch_format(self):
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"""Find the branch 'format' for this bzrdir.
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This might be a synthetic object for e.g. RemoteBranch and SVN.
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b = self.open_branch()
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def get_branch_reference(self):
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"""See BzrDir.get_branch_reference()."""
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path = self._path_for_remote_call(self._client)
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response = self._client.call('BzrDir.open_branch', path)
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except errors.ErrorFromSmartServer, err:
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self._translate_error(err)
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if response[0] == 'ok':
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if response[1] == '':
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# branch at this location.
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# a branch reference, use the existing BranchReference logic.
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raise errors.UnexpectedSmartServerResponse(response)
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def _get_tree_branch(self):
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"""See BzrDir._get_tree_branch()."""
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return None, self.open_branch()
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def open_branch(self, _unsupported=False):
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raise NotImplementedError('unsupported flag support not implemented yet.')
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reference_url = self.get_branch_reference()
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if reference_url is None:
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# branch at this location.
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return RemoteBranch(self, self.find_repository())
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# a branch reference, use the existing BranchReference logic.
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format = BranchReferenceFormat()
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return format.open(self, _found=True, location=reference_url)
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def open_repository(self):
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path = self._path_for_remote_call(self._client)
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verb = 'BzrDir.find_repositoryV2'
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response = self._client.call(verb, path)
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except errors.UnknownSmartMethod:
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verb = 'BzrDir.find_repository'
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response = self._client.call(verb, path)
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except errors.ErrorFromSmartServer, err:
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self._translate_error(err)
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if response[0] != 'ok':
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raise errors.UnexpectedSmartServerResponse(response)
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if verb == 'BzrDir.find_repository':
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# servers that don't support the V2 method don't support external
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response = response + ('no', )
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if not (len(response) == 5):
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raise SmartProtocolError('incorrect response length %s' % (response,))
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if response[1] == '':
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format = RemoteRepositoryFormat()
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format.rich_root_data = (response[2] == 'yes')
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format.supports_tree_reference = (response[3] == 'yes')
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# No wire format to check this yet.
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format.supports_external_lookups = (response[4] == 'yes')
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# Used to support creating a real format instance when needed.
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format._creating_bzrdir = self
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return RemoteRepository(self, format)
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raise errors.NoRepositoryPresent(self)
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def open_workingtree(self, recommend_upgrade=True):
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if self._real_bzrdir.has_workingtree():
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raise errors.NotLocalUrl(self.root_transport)
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raise errors.NoWorkingTree(self.root_transport.base)
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def _path_for_remote_call(self, client):
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"""Return the path to be used for this bzrdir in a remote call."""
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return client.remote_path_from_transport(self.root_transport)
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def get_branch_transport(self, branch_format):
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return self._real_bzrdir.get_branch_transport(branch_format)
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def get_repository_transport(self, repository_format):
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return self._real_bzrdir.get_repository_transport(repository_format)
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def get_workingtree_transport(self, workingtree_format):
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return self._real_bzrdir.get_workingtree_transport(workingtree_format)
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def can_convert_format(self):
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"""Upgrading of remote bzrdirs is not supported yet."""
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def needs_format_conversion(self, format=None):
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"""Upgrading of remote bzrdirs is not supported yet."""
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def clone(self, url, revision_id=None, force_new_repo=False,
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preserve_stacking=False):
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return self._real_bzrdir.clone(url, revision_id=revision_id,
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force_new_repo=force_new_repo, preserve_stacking=preserve_stacking)
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def get_config(self):
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return self._real_bzrdir.get_config()
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class RemoteRepositoryFormat(repository.RepositoryFormat):
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"""Format for repositories accessed over a _SmartClient.
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Instances of this repository are represented by RemoteRepository
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The RemoteRepositoryFormat is parameterized during construction
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to reflect the capabilities of the real, remote format. Specifically
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the attributes rich_root_data and supports_tree_reference are set
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on a per instance basis, and are not set (and should not be) at
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_matchingbzrdir = RemoteBzrDirFormat()
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def initialize(self, a_bzrdir, shared=False):
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if not isinstance(a_bzrdir, RemoteBzrDir):
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prior_repo = self._creating_bzrdir.open_repository()
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prior_repo._ensure_real()
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return prior_repo._real_repository._format.initialize(
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a_bzrdir, shared=shared)
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return a_bzrdir.create_repository(shared=shared)
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def open(self, a_bzrdir):
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if not isinstance(a_bzrdir, RemoteBzrDir):
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raise AssertionError('%r is not a RemoteBzrDir' % (a_bzrdir,))
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return a_bzrdir.open_repository()
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def get_format_description(self):
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return 'bzr remote repository'
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def __eq__(self, other):
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return self.__class__ == other.__class__
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def check_conversion_target(self, target_format):
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if self.rich_root_data and not target_format.rich_root_data:
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raise errors.BadConversionTarget(
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'Does not support rich root data.', target_format)
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if (self.supports_tree_reference and
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not getattr(target_format, 'supports_tree_reference', False)):
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raise errors.BadConversionTarget(
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'Does not support nested trees', target_format)
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class RemoteRepository(object):
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"""Repository accessed over rpc.
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For the moment most operations are performed using local transport-backed
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def __init__(self, remote_bzrdir, format, real_repository=None, _client=None):
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"""Create a RemoteRepository instance.
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:param remote_bzrdir: The bzrdir hosting this repository.
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:param format: The RemoteFormat object to use.
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:param real_repository: If not None, a local implementation of the
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repository logic for the repository, usually accessing the data
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:param _client: Private testing parameter - override the smart client
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to be used by the repository.
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self._real_repository = real_repository
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self._real_repository = None
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self.bzrdir = remote_bzrdir
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self._client = remote_bzrdir._client
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self._client = _client
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self._format = format
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self._lock_mode = None
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self._lock_token = None
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self._leave_lock = False
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# A cache of looked up revision parent data; reset at unlock time.
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self._parents_map = None
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if 'hpss' in debug.debug_flags:
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self._requested_parents = None
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# These depend on the actual remote format, so force them off for
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# maximum compatibility. XXX: In future these should depend on the
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# remote repository instance, but this is irrelevant until we perform
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# reconcile via an RPC call.
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self._reconcile_does_inventory_gc = False
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self._reconcile_fixes_text_parents = False
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self._reconcile_backsup_inventory = False
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self.base = self.bzrdir.transport.base
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# Additional places to query for data.
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self._fallback_repositories = []
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return "%s(%s)" % (self.__class__.__name__, self.base)
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def abort_write_group(self):
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"""Complete a write group on the decorated repository.
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Smart methods peform operations in a single step so this api
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is not really applicable except as a compatibility thunk
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for older plugins that don't use e.g. the CommitBuilder
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return self._real_repository.abort_write_group()
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def commit_write_group(self):
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"""Complete a write group on the decorated repository.
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Smart methods peform operations in a single step so this api
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is not really applicable except as a compatibility thunk
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for older plugins that don't use e.g. the CommitBuilder
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return self._real_repository.commit_write_group()
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def _ensure_real(self):
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"""Ensure that there is a _real_repository set.
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Used before calls to self._real_repository.
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if self._real_repository is None:
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self.bzrdir._ensure_real()
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self._set_real_repository(
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self.bzrdir._real_bzrdir.open_repository())
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def _translate_error(self, err, **context):
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self.bzrdir._translate_error(err, repository=self, **context)
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def find_text_key_references(self):
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"""Find the text key references within the repository.
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:return: a dictionary mapping (file_id, revision_id) tuples to altered file-ids to an iterable of
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revision_ids. Each altered file-ids has the exact revision_ids that
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altered it listed explicitly.
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:return: A dictionary mapping text keys ((fileid, revision_id) tuples)
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to whether they were referred to by the inventory of the
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revision_id that they contain. The inventory texts from all present
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revision ids are assessed to generate this report.
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return self._real_repository.find_text_key_references()
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def _generate_text_key_index(self):
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"""Generate a new text key index for the repository.
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This is an expensive function that will take considerable time to run.
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:return: A dict mapping (file_id, revision_id) tuples to a list of
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parents, also (file_id, revision_id) tuples.
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return self._real_repository._generate_text_key_index()
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@symbol_versioning.deprecated_method(symbol_versioning.one_four)
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def get_revision_graph(self, revision_id=None):
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"""See Repository.get_revision_graph()."""
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return self._get_revision_graph(revision_id)
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def _get_revision_graph(self, revision_id):
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"""Private method for using with old (< 1.2) servers to fallback."""
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if revision_id is None:
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elif revision.is_null(revision_id):
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path = self.bzrdir._path_for_remote_call(self._client)
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response = self._client.call_expecting_body(
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'Repository.get_revision_graph', path, revision_id)
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except errors.ErrorFromSmartServer, err:
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self._translate_error(err)
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response_tuple, response_handler = response
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if response_tuple[0] != 'ok':
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raise errors.UnexpectedSmartServerResponse(response_tuple)
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coded = response_handler.read_body_bytes()
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# no revisions in this repository!
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lines = coded.split('\n')
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d = tuple(line.split())
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revision_graph[d[0]] = d[1:]
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return revision_graph
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def has_revision(self, revision_id):
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"""See Repository.has_revision()."""
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if revision_id == NULL_REVISION:
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# The null revision is always present.
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path = self.bzrdir._path_for_remote_call(self._client)
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response = self._client.call(
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'Repository.has_revision', path, revision_id)
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if response[0] not in ('yes', 'no'):
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raise errors.UnexpectedSmartServerResponse(response)
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if response[0] == 'yes':
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for fallback_repo in self._fallback_repositories:
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if fallback_repo.has_revision(revision_id):
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def has_revisions(self, revision_ids):
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"""See Repository.has_revisions()."""
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# FIXME: This does many roundtrips, particularly when there are
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# fallback repositories. -- mbp 20080905
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for revision_id in revision_ids:
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if self.has_revision(revision_id):
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result.add(revision_id)
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def has_same_location(self, other):
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return (self.__class__ == other.__class__ and
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self.bzrdir.transport.base == other.bzrdir.transport.base)
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def get_graph(self, other_repository=None):
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"""Return the graph for this repository format"""
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parents_provider = self
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if (other_repository is not None and
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other_repository.bzrdir.transport.base !=
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self.bzrdir.transport.base):
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parents_provider = graph._StackedParentsProvider(
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[parents_provider, other_repository._make_parents_provider()])
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return graph.Graph(parents_provider)
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def gather_stats(self, revid=None, committers=None):
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"""See Repository.gather_stats()."""
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path = self.bzrdir._path_for_remote_call(self._client)
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# revid can be None to indicate no revisions, not just NULL_REVISION
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if revid is None or revision.is_null(revid):
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if committers is None or not committers:
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fmt_committers = 'no'
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fmt_committers = 'yes'
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response_tuple, response_handler = self._client.call_expecting_body(
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'Repository.gather_stats', path, fmt_revid, fmt_committers)
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if response_tuple[0] != 'ok':
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raise errors.UnexpectedSmartServerResponse(response_tuple)
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body = response_handler.read_body_bytes()
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for line in body.split('\n'):
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key, val_text = line.split(':')
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if key in ('revisions', 'size', 'committers'):
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result[key] = int(val_text)
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elif key in ('firstrev', 'latestrev'):
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values = val_text.split(' ')[1:]
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result[key] = (float(values[0]), long(values[1]))
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def find_branches(self, using=False):
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"""See Repository.find_branches()."""
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# should be an API call to the server.
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return self._real_repository.find_branches(using=using)
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def get_physical_lock_status(self):
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"""See Repository.get_physical_lock_status()."""
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# should be an API call to the server.
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return self._real_repository.get_physical_lock_status()
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def is_in_write_group(self):
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"""Return True if there is an open write group.
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write groups are only applicable locally for the smart server..
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if self._real_repository:
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return self._real_repository.is_in_write_group()
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return self._lock_count >= 1
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"""See Repository.is_shared()."""
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path = self.bzrdir._path_for_remote_call(self._client)
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response = self._client.call('Repository.is_shared', path)
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if response[0] not in ('yes', 'no'):
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raise SmartProtocolError('unexpected response code %s' % (response,))
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return response[0] == 'yes'
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def is_write_locked(self):
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return self._lock_mode == 'w'
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# wrong eventually - want a local lock cache context
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if not self._lock_mode:
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self._lock_mode = 'r'
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self._parents_map = {}
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if 'hpss' in debug.debug_flags:
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self._requested_parents = set()
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if self._real_repository is not None:
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self._real_repository.lock_read()
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self._lock_count += 1
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def _remote_lock_write(self, token):
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path = self.bzrdir._path_for_remote_call(self._client)
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response = self._client.call('Repository.lock_write', path, token)
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except errors.ErrorFromSmartServer, err:
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self._translate_error(err, token=token)
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if response[0] == 'ok':
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raise errors.UnexpectedSmartServerResponse(response)
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def lock_write(self, token=None, _skip_rpc=False):
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if not self._lock_mode:
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if self._lock_token is not None:
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if token != self._lock_token:
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raise errors.TokenMismatch(token, self._lock_token)
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self._lock_token = token
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self._lock_token = self._remote_lock_write(token)
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# if self._lock_token is None, then this is something like packs or
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# svn where we don't get to lock the repo, or a weave style repository
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# where we cannot lock it over the wire and attempts to do so will
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if self._real_repository is not None:
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self._real_repository.lock_write(token=self._lock_token)
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if token is not None:
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self._leave_lock = True
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self._leave_lock = False
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self._lock_mode = 'w'
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self._parents_map = {}
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if 'hpss' in debug.debug_flags:
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self._requested_parents = set()
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elif self._lock_mode == 'r':
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raise errors.ReadOnlyError(self)
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self._lock_count += 1
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return self._lock_token or None
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def leave_lock_in_place(self):
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if not self._lock_token:
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raise NotImplementedError(self.leave_lock_in_place)
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self._leave_lock = True
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def dont_leave_lock_in_place(self):
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if not self._lock_token:
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raise NotImplementedError(self.dont_leave_lock_in_place)
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self._leave_lock = False
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def _set_real_repository(self, repository):
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"""Set the _real_repository for this repository.
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:param repository: The repository to fallback to for non-hpss
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implemented operations.
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if self._real_repository is not None:
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raise AssertionError('_real_repository is already set')
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if isinstance(repository, RemoteRepository):
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raise AssertionError()
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self._real_repository = repository
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for fb in self._fallback_repositories:
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self._real_repository.add_fallback_repository(fb)
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if self._lock_mode == 'w':
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# if we are already locked, the real repository must be able to
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# acquire the lock with our token.
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self._real_repository.lock_write(self._lock_token)
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elif self._lock_mode == 'r':
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self._real_repository.lock_read()
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def start_write_group(self):
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"""Start a write group on the decorated repository.
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Smart methods peform operations in a single step so this api
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is not really applicable except as a compatibility thunk
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for older plugins that don't use e.g. the CommitBuilder
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return self._real_repository.start_write_group()
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def _unlock(self, token):
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path = self.bzrdir._path_for_remote_call(self._client)
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# with no token the remote repository is not persistently locked.
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response = self._client.call('Repository.unlock', path, token)
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except errors.ErrorFromSmartServer, err:
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self._translate_error(err, token=token)
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if response == ('ok',):
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raise errors.UnexpectedSmartServerResponse(response)
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self._lock_count -= 1
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if self._lock_count > 0:
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self._parents_map = None
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if 'hpss' in debug.debug_flags:
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self._requested_parents = None
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old_mode = self._lock_mode
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self._lock_mode = None
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# The real repository is responsible at present for raising an
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# exception if it's in an unfinished write group. However, it
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# normally will *not* actually remove the lock from disk - that's
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# done by the server on receiving the Repository.unlock call.
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# This is just to let the _real_repository stay up to date.
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if self._real_repository is not None:
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self._real_repository.unlock()
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# The rpc-level lock should be released even if there was a
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# problem releasing the vfs-based lock.
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# Only write-locked repositories need to make a remote method
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# call to perfom the unlock.
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old_token = self._lock_token
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self._lock_token = None
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if not self._leave_lock:
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self._unlock(old_token)
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def break_lock(self):
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# should hand off to the network
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return self._real_repository.break_lock()
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def _get_tarball(self, compression):
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"""Return a TemporaryFile containing a repository tarball.
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Returns None if the server does not support sending tarballs.
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path = self.bzrdir._path_for_remote_call(self._client)
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response, protocol = self._client.call_expecting_body(
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'Repository.tarball', path, compression)
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except errors.UnknownSmartMethod:
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protocol.cancel_read_body()
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if response[0] == 'ok':
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# Extract the tarball and return it
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t = tempfile.NamedTemporaryFile()
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# TODO: rpc layer should read directly into it...
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t.write(protocol.read_body_bytes())
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raise errors.UnexpectedSmartServerResponse(response)
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def sprout(self, to_bzrdir, revision_id=None):
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# TODO: Option to control what format is created?
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dest_repo = self._real_repository._format.initialize(to_bzrdir,
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dest_repo.fetch(self, revision_id=revision_id)
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### These methods are just thin shims to the VFS object for now.
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def revision_tree(self, revision_id):
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return self._real_repository.revision_tree(revision_id)
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def get_serializer_format(self):
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return self._real_repository.get_serializer_format()
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def get_commit_builder(self, branch, parents, config, timestamp=None,
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timezone=None, committer=None, revprops=None,
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# FIXME: It ought to be possible to call this without immediately
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# triggering _ensure_real. For now it's the easiest thing to do.
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real_repo = self._real_repository
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builder = real_repo.get_commit_builder(branch, parents,
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config, timestamp=timestamp, timezone=timezone,
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committer=committer, revprops=revprops, revision_id=revision_id)
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def add_fallback_repository(self, repository):
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"""Add a repository to use for looking up data not held locally.
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:param repository: A repository.
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# XXX: At the moment the RemoteRepository will allow fallbacks
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# unconditionally - however, a _real_repository will usually exist,
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# and may raise an error if it's not accommodated by the underlying
731
# format. Eventually we should check when opening the repository
732
# whether it's willing to allow them or not.
734
# We need to accumulate additional repositories here, to pass them in
736
self._fallback_repositories.append(repository)
737
# They are also seen by the fallback repository. If it doesn't exist
738
# yet they'll be added then. This implicitly copies them.
741
def add_inventory(self, revid, inv, parents):
743
return self._real_repository.add_inventory(revid, inv, parents)
745
def add_revision(self, rev_id, rev, inv=None, config=None):
747
return self._real_repository.add_revision(
748
rev_id, rev, inv=inv, config=config)
751
def get_inventory(self, revision_id):
753
return self._real_repository.get_inventory(revision_id)
755
def iter_inventories(self, revision_ids):
757
return self._real_repository.iter_inventories(revision_ids)
760
def get_revision(self, revision_id):
762
return self._real_repository.get_revision(revision_id)
764
def get_transaction(self):
766
return self._real_repository.get_transaction()
769
def clone(self, a_bzrdir, revision_id=None):
771
return self._real_repository.clone(a_bzrdir, revision_id=revision_id)
773
def make_working_trees(self):
774
"""See Repository.make_working_trees"""
776
return self._real_repository.make_working_trees()
778
def revision_ids_to_search_result(self, result_set):
779
"""Convert a set of revision ids to a graph SearchResult."""
780
result_parents = set()
781
for parents in self.get_graph().get_parent_map(
782
result_set).itervalues():
783
result_parents.update(parents)
784
included_keys = result_set.intersection(result_parents)
785
start_keys = result_set.difference(included_keys)
786
exclude_keys = result_parents.difference(result_set)
787
result = graph.SearchResult(start_keys, exclude_keys,
788
len(result_set), result_set)
792
def search_missing_revision_ids(self, other, revision_id=None, find_ghosts=True):
793
"""Return the revision ids that other has that this does not.
795
These are returned in topological order.
797
revision_id: only return revision ids included by revision_id.
799
return repository.InterRepository.get(
800
other, self).search_missing_revision_ids(revision_id, find_ghosts)
802
def fetch(self, source, revision_id=None, pb=None):
803
if self.has_same_location(source):
804
# check that last_revision is in 'from' and then return a
806
if (revision_id is not None and
807
not revision.is_null(revision_id)):
808
self.get_revision(revision_id)
811
return self._real_repository.fetch(
812
source, revision_id=revision_id, pb=pb)
814
def create_bundle(self, target, base, fileobj, format=None):
816
self._real_repository.create_bundle(target, base, fileobj, format)
819
def get_ancestry(self, revision_id, topo_sorted=True):
821
return self._real_repository.get_ancestry(revision_id, topo_sorted)
823
def fileids_altered_by_revision_ids(self, revision_ids):
825
return self._real_repository.fileids_altered_by_revision_ids(revision_ids)
827
def _get_versioned_file_checker(self, revisions, revision_versions_cache):
829
return self._real_repository._get_versioned_file_checker(
830
revisions, revision_versions_cache)
832
def iter_files_bytes(self, desired_files):
833
"""See Repository.iter_file_bytes.
836
return self._real_repository.iter_files_bytes(desired_files)
839
def _fetch_order(self):
840
"""Decorate the real repository for now.
842
In the long term getting this back from the remote repository as part
843
of open would be more efficient.
846
return self._real_repository._fetch_order
849
def _fetch_uses_deltas(self):
850
"""Decorate the real repository for now.
852
In the long term getting this back from the remote repository as part
853
of open would be more efficient.
856
return self._real_repository._fetch_uses_deltas
859
def _fetch_reconcile(self):
860
"""Decorate the real repository for now.
862
In the long term getting this back from the remote repository as part
863
of open would be more efficient.
866
return self._real_repository._fetch_reconcile
868
def get_parent_map(self, keys):
869
"""See bzrlib.Graph.get_parent_map()."""
870
# Hack to build up the caching logic.
871
ancestry = self._parents_map
873
# Repository is not locked, so there's no cache.
874
missing_revisions = set(keys)
877
missing_revisions = set(key for key in keys if key not in ancestry)
878
if missing_revisions:
879
parent_map = self._get_parent_map(missing_revisions)
880
if 'hpss' in debug.debug_flags:
881
mutter('retransmitted revisions: %d of %d',
882
len(set(ancestry).intersection(parent_map)),
884
ancestry.update(parent_map)
885
present_keys = [k for k in keys if k in ancestry]
886
if 'hpss' in debug.debug_flags:
887
if self._requested_parents is not None and len(ancestry) != 0:
888
self._requested_parents.update(present_keys)
889
mutter('Current RemoteRepository graph hit rate: %d%%',
890
100.0 * len(self._requested_parents) / len(ancestry))
891
return dict((k, ancestry[k]) for k in present_keys)
893
def _get_parent_map(self, keys):
894
"""Helper for get_parent_map that performs the RPC."""
895
medium = self._client._medium
896
if medium._is_remote_before((1, 2)):
897
# We already found out that the server can't understand
898
# Repository.get_parent_map requests, so just fetch the whole
900
# XXX: Note that this will issue a deprecation warning. This is ok
901
# :- its because we're working with a deprecated server anyway, and
902
# the user will almost certainly have seen a warning about the
903
# server version already.
904
rg = self.get_revision_graph()
905
# There is an api discrepency between get_parent_map and
906
# get_revision_graph. Specifically, a "key:()" pair in
907
# get_revision_graph just means a node has no parents. For
908
# "get_parent_map" it means the node is a ghost. So fix up the
909
# graph to correct this.
910
# https://bugs.launchpad.net/bzr/+bug/214894
911
# There is one other "bug" which is that ghosts in
912
# get_revision_graph() are not returned at all. But we won't worry
913
# about that for now.
914
for node_id, parent_ids in rg.iteritems():
916
rg[node_id] = (NULL_REVISION,)
917
rg[NULL_REVISION] = ()
922
raise ValueError('get_parent_map(None) is not valid')
923
if NULL_REVISION in keys:
924
keys.discard(NULL_REVISION)
925
found_parents = {NULL_REVISION:()}
930
# TODO(Needs analysis): We could assume that the keys being requested
931
# from get_parent_map are in a breadth first search, so typically they
932
# will all be depth N from some common parent, and we don't have to
933
# have the server iterate from the root parent, but rather from the
934
# keys we're searching; and just tell the server the keyspace we
935
# already have; but this may be more traffic again.
937
# Transform self._parents_map into a search request recipe.
938
# TODO: Manage this incrementally to avoid covering the same path
939
# repeatedly. (The server will have to on each request, but the less
940
# work done the better).
941
parents_map = self._parents_map
942
if parents_map is None:
943
# Repository is not locked, so there's no cache.
945
start_set = set(parents_map)
946
result_parents = set()
947
for parents in parents_map.itervalues():
948
result_parents.update(parents)
949
stop_keys = result_parents.difference(start_set)
950
included_keys = start_set.intersection(result_parents)
951
start_set.difference_update(included_keys)
952
recipe = (start_set, stop_keys, len(parents_map))
953
body = self._serialise_search_recipe(recipe)
954
path = self.bzrdir._path_for_remote_call(self._client)
956
if type(key) is not str:
958
"key %r not a plain string" % (key,))
959
verb = 'Repository.get_parent_map'
960
args = (path,) + tuple(keys)
962
response = self._client.call_with_body_bytes_expecting_body(
963
verb, args, self._serialise_search_recipe(recipe))
964
except errors.UnknownSmartMethod:
965
# Server does not support this method, so get the whole graph.
966
# Worse, we have to force a disconnection, because the server now
967
# doesn't realise it has a body on the wire to consume, so the
968
# only way to recover is to abandon the connection.
970
'Server is too old for fast get_parent_map, reconnecting. '
971
'(Upgrade the server to Bazaar 1.2 to avoid this)')
973
# To avoid having to disconnect repeatedly, we keep track of the
974
# fact the server doesn't understand remote methods added in 1.2.
975
medium._remember_remote_is_before((1, 2))
976
return self.get_revision_graph(None)
977
response_tuple, response_handler = response
978
if response_tuple[0] not in ['ok']:
979
response_handler.cancel_read_body()
980
raise errors.UnexpectedSmartServerResponse(response_tuple)
981
if response_tuple[0] == 'ok':
982
coded = bz2.decompress(response_handler.read_body_bytes())
986
lines = coded.split('\n')
989
d = tuple(line.split())
991
revision_graph[d[0]] = d[1:]
993
# No parents - so give the Graph result (NULL_REVISION,).
994
revision_graph[d[0]] = (NULL_REVISION,)
995
return revision_graph
998
def get_signature_text(self, revision_id):
1000
return self._real_repository.get_signature_text(revision_id)
1003
@symbol_versioning.deprecated_method(symbol_versioning.one_three)
1004
def get_revision_graph_with_ghosts(self, revision_ids=None):
1006
return self._real_repository.get_revision_graph_with_ghosts(
1007
revision_ids=revision_ids)
1010
def get_inventory_xml(self, revision_id):
1012
return self._real_repository.get_inventory_xml(revision_id)
1014
def deserialise_inventory(self, revision_id, xml):
1016
return self._real_repository.deserialise_inventory(revision_id, xml)
1018
def reconcile(self, other=None, thorough=False):
1020
return self._real_repository.reconcile(other=other, thorough=thorough)
1022
def all_revision_ids(self):
1024
return self._real_repository.all_revision_ids()
1027
def get_deltas_for_revisions(self, revisions):
1029
return self._real_repository.get_deltas_for_revisions(revisions)
1032
def get_revision_delta(self, revision_id):
1034
return self._real_repository.get_revision_delta(revision_id)
1037
def revision_trees(self, revision_ids):
1039
return self._real_repository.revision_trees(revision_ids)
1042
def get_revision_reconcile(self, revision_id):
1044
return self._real_repository.get_revision_reconcile(revision_id)
1047
def check(self, revision_ids=None):
1049
return self._real_repository.check(revision_ids=revision_ids)
1051
def copy_content_into(self, destination, revision_id=None):
1053
return self._real_repository.copy_content_into(
1054
destination, revision_id=revision_id)
1056
def _copy_repository_tarball(self, to_bzrdir, revision_id=None):
1057
# get a tarball of the remote repository, and copy from that into the
1059
from bzrlib import osutils
1061
# TODO: Maybe a progress bar while streaming the tarball?
1062
note("Copying repository content as tarball...")
1063
tar_file = self._get_tarball('bz2')
1064
if tar_file is None:
1066
destination = to_bzrdir.create_repository()
1068
tar = tarfile.open('repository', fileobj=tar_file,
1070
tmpdir = osutils.mkdtemp()
1072
_extract_tar(tar, tmpdir)
1073
tmp_bzrdir = BzrDir.open(tmpdir)
1074
tmp_repo = tmp_bzrdir.open_repository()
1075
tmp_repo.copy_content_into(destination, revision_id)
1077
osutils.rmtree(tmpdir)
1081
# TODO: Suggestion from john: using external tar is much faster than
1082
# python's tarfile library, but it may not work on windows.
1085
def inventories(self):
1086
"""Decorate the real repository for now.
1088
In the long term a full blown network facility is needed to
1089
avoid creating a real repository object locally.
1092
return self._real_repository.inventories
1096
"""Compress the data within the repository.
1098
This is not currently implemented within the smart server.
1101
return self._real_repository.pack()
1104
def revisions(self):
1105
"""Decorate the real repository for now.
1107
In the short term this should become a real object to intercept graph
1110
In the long term a full blown network facility is needed.
1113
return self._real_repository.revisions
1115
def set_make_working_trees(self, new_value):
1117
self._real_repository.set_make_working_trees(new_value)
1120
def signatures(self):
1121
"""Decorate the real repository for now.
1123
In the long term a full blown network facility is needed to avoid
1124
creating a real repository object locally.
1127
return self._real_repository.signatures
1130
def sign_revision(self, revision_id, gpg_strategy):
1132
return self._real_repository.sign_revision(revision_id, gpg_strategy)
1136
"""Decorate the real repository for now.
1138
In the long term a full blown network facility is needed to avoid
1139
creating a real repository object locally.
1142
return self._real_repository.texts
1145
def get_revisions(self, revision_ids):
1147
return self._real_repository.get_revisions(revision_ids)
1149
def supports_rich_root(self):
1151
return self._real_repository.supports_rich_root()
1153
def iter_reverse_revision_history(self, revision_id):
1155
return self._real_repository.iter_reverse_revision_history(revision_id)
1158
def _serializer(self):
1160
return self._real_repository._serializer
1162
def store_revision_signature(self, gpg_strategy, plaintext, revision_id):
1164
return self._real_repository.store_revision_signature(
1165
gpg_strategy, plaintext, revision_id)
1167
def add_signature_text(self, revision_id, signature):
1169
return self._real_repository.add_signature_text(revision_id, signature)
1171
def has_signature_for_revision_id(self, revision_id):
1173
return self._real_repository.has_signature_for_revision_id(revision_id)
1175
def item_keys_introduced_by(self, revision_ids, _files_pb=None):
1177
return self._real_repository.item_keys_introduced_by(revision_ids,
1178
_files_pb=_files_pb)
1180
def revision_graph_can_have_wrong_parents(self):
1181
# The answer depends on the remote repo format.
1183
return self._real_repository.revision_graph_can_have_wrong_parents()
1185
def _find_inconsistent_revision_parents(self):
1187
return self._real_repository._find_inconsistent_revision_parents()
1189
def _check_for_inconsistent_revision_parents(self):
1191
return self._real_repository._check_for_inconsistent_revision_parents()
1193
def _make_parents_provider(self):
1196
def _serialise_search_recipe(self, recipe):
1197
"""Serialise a graph search recipe.
1199
:param recipe: A search recipe (start, stop, count).
1200
:return: Serialised bytes.
1202
start_keys = ' '.join(recipe[0])
1203
stop_keys = ' '.join(recipe[1])
1204
count = str(recipe[2])
1205
return '\n'.join((start_keys, stop_keys, count))
1208
class RemoteBranchLockableFiles(LockableFiles):
1209
"""A 'LockableFiles' implementation that talks to a smart server.
1211
This is not a public interface class.
1214
def __init__(self, bzrdir, _client):
1215
self.bzrdir = bzrdir
1216
self._client = _client
1217
self._need_find_modes = True
1218
LockableFiles.__init__(
1219
self, bzrdir.get_branch_transport(None),
1220
'lock', lockdir.LockDir)
1222
def _find_modes(self):
1223
# RemoteBranches don't let the client set the mode of control files.
1224
self._dir_mode = None
1225
self._file_mode = None
1228
class RemoteBranchFormat(branch.BranchFormat):
1230
def __eq__(self, other):
1231
return (isinstance(other, RemoteBranchFormat) and
1232
self.__dict__ == other.__dict__)
1234
def get_format_description(self):
1235
return 'Remote BZR Branch'
1237
def get_format_string(self):
1238
return 'Remote BZR Branch'
1240
def open(self, a_bzrdir):
1241
return a_bzrdir.open_branch()
1243
def initialize(self, a_bzrdir):
1244
return a_bzrdir.create_branch()
1246
def supports_tags(self):
1247
# Remote branches might support tags, but we won't know until we
1248
# access the real remote branch.
1252
class RemoteBranch(branch.Branch):
1253
"""Branch stored on a server accessed by HPSS RPC.
1255
At the moment most operations are mapped down to simple file operations.
1258
def __init__(self, remote_bzrdir, remote_repository, real_branch=None,
1260
"""Create a RemoteBranch instance.
1262
:param real_branch: An optional local implementation of the branch
1263
format, usually accessing the data via the VFS.
1264
:param _client: Private parameter for testing.
1266
# We intentionally don't call the parent class's __init__, because it
1267
# will try to assign to self.tags, which is a property in this subclass.
1268
# And the parent's __init__ doesn't do much anyway.
1269
self._revision_id_to_revno_cache = None
1270
self._revision_history_cache = None
1271
self._last_revision_info_cache = None
1272
self.bzrdir = remote_bzrdir
1273
if _client is not None:
1274
self._client = _client
1276
self._client = remote_bzrdir._client
1277
self.repository = remote_repository
1278
if real_branch is not None:
1279
self._real_branch = real_branch
1280
# Give the remote repository the matching real repo.
1281
real_repo = self._real_branch.repository
1282
if isinstance(real_repo, RemoteRepository):
1283
real_repo._ensure_real()
1284
real_repo = real_repo._real_repository
1285
self.repository._set_real_repository(real_repo)
1286
# Give the branch the remote repository to let fast-pathing happen.
1287
self._real_branch.repository = self.repository
1289
self._real_branch = None
1290
# Fill out expected attributes of branch for bzrlib api users.
1291
self._format = RemoteBranchFormat()
1292
self.base = self.bzrdir.root_transport.base
1293
self._control_files = None
1294
self._lock_mode = None
1295
self._lock_token = None
1296
self._repo_lock_token = None
1297
self._lock_count = 0
1298
self._leave_lock = False
1299
self._setup_stacking()
1301
def _setup_stacking(self):
1302
# configure stacking into the remote repository, by reading it from
1305
fallback_url = self.get_stacked_on_url()
1306
except (errors.NotStacked, errors.UnstackableBranchFormat,
1307
errors.UnstackableRepositoryFormat), e:
1309
# it's relative to this branch...
1310
fallback_url = urlutils.join(self.base, fallback_url)
1311
transports = [self.bzrdir.root_transport]
1312
if self._real_branch is not None:
1313
transports.append(self._real_branch._transport)
1314
fallback_bzrdir = BzrDir.open(fallback_url, transports)
1315
fallback_repo = fallback_bzrdir.open_repository()
1316
self.repository.add_fallback_repository(fallback_repo)
1318
def _get_real_transport(self):
1319
# if we try vfs access, return the real branch's vfs transport
1321
return self._real_branch._transport
1323
_transport = property(_get_real_transport)
1326
return "%s(%s)" % (self.__class__.__name__, self.base)
1330
def _ensure_real(self):
1331
"""Ensure that there is a _real_branch set.
1333
Used before calls to self._real_branch.
1335
if self._real_branch is None:
1336
if not vfs.vfs_enabled():
1337
raise AssertionError('smart server vfs must be enabled '
1338
'to use vfs implementation')
1339
self.bzrdir._ensure_real()
1340
self._real_branch = self.bzrdir._real_bzrdir.open_branch()
1341
if self.repository._real_repository is None:
1342
# Give the remote repository the matching real repo.
1343
real_repo = self._real_branch.repository
1344
if isinstance(real_repo, RemoteRepository):
1345
real_repo._ensure_real()
1346
real_repo = real_repo._real_repository
1347
self.repository._set_real_repository(real_repo)
1348
# Give the real branch the remote repository to let fast-pathing
1350
self._real_branch.repository = self.repository
1351
if self._lock_mode == 'r':
1352
self._real_branch.lock_read()
1353
elif self._lock_mode == 'w':
1354
self._real_branch.lock_write(token=self._lock_token)
1356
def _translate_error(self, err, **context):
1357
self.repository._translate_error(err, branch=self, **context)
1359
def _clear_cached_state(self):
1360
super(RemoteBranch, self)._clear_cached_state()
1361
if self._real_branch is not None:
1362
self._real_branch._clear_cached_state()
1364
def _clear_cached_state_of_remote_branch_only(self):
1365
"""Like _clear_cached_state, but doesn't clear the cache of
1368
This is useful when falling back to calling a method of
1369
self._real_branch that changes state. In that case the underlying
1370
branch changes, so we need to invalidate this RemoteBranch's cache of
1371
it. However, there's no need to invalidate the _real_branch's cache
1372
too, in fact doing so might harm performance.
1374
super(RemoteBranch, self)._clear_cached_state()
1377
def control_files(self):
1378
# Defer actually creating RemoteBranchLockableFiles until its needed,
1379
# because it triggers an _ensure_real that we otherwise might not need.
1380
if self._control_files is None:
1381
self._control_files = RemoteBranchLockableFiles(
1382
self.bzrdir, self._client)
1383
return self._control_files
1385
def _get_checkout_format(self):
1387
return self._real_branch._get_checkout_format()
1389
def get_physical_lock_status(self):
1390
"""See Branch.get_physical_lock_status()."""
1391
# should be an API call to the server, as branches must be lockable.
1393
return self._real_branch.get_physical_lock_status()
1395
def get_stacked_on_url(self):
1396
"""Get the URL this branch is stacked against.
1398
:raises NotStacked: If the branch is not stacked.
1399
:raises UnstackableBranchFormat: If the branch does not support
1401
:raises UnstackableRepositoryFormat: If the repository does not support
1405
response = self._client.call('Branch.get_stacked_on_url',
1406
self._remote_path())
1407
if response[0] != 'ok':
1408
raise errors.UnexpectedSmartServerResponse(response)
1410
except errors.ErrorFromSmartServer, err:
1411
# there may not be a repository yet, so we can't call through
1412
# its _translate_error
1413
_translate_error(err, branch=self)
1414
except errors.UnknownSmartMethod, err:
1416
return self._real_branch.get_stacked_on_url()
1418
def lock_read(self):
1419
self.repository.lock_read()
1420
if not self._lock_mode:
1421
self._lock_mode = 'r'
1422
self._lock_count = 1
1423
if self._real_branch is not None:
1424
self._real_branch.lock_read()
1426
self._lock_count += 1
1428
def _remote_lock_write(self, token):
1430
branch_token = repo_token = ''
1432
branch_token = token
1433
repo_token = self.repository.lock_write()
1434
self.repository.unlock()
1436
response = self._client.call(
1437
'Branch.lock_write', self._remote_path(),
1438
branch_token, repo_token or '')
1439
except errors.ErrorFromSmartServer, err:
1440
self._translate_error(err, token=token)
1441
if response[0] != 'ok':
1442
raise errors.UnexpectedSmartServerResponse(response)
1443
ok, branch_token, repo_token = response
1444
return branch_token, repo_token
1446
def lock_write(self, token=None):
1447
if not self._lock_mode:
1448
# Lock the branch and repo in one remote call.
1449
remote_tokens = self._remote_lock_write(token)
1450
self._lock_token, self._repo_lock_token = remote_tokens
1451
if not self._lock_token:
1452
raise SmartProtocolError('Remote server did not return a token!')
1453
# Tell the self.repository object that it is locked.
1454
self.repository.lock_write(
1455
self._repo_lock_token, _skip_rpc=True)
1457
if self._real_branch is not None:
1458
self._real_branch.lock_write(token=self._lock_token)
1459
if token is not None:
1460
self._leave_lock = True
1462
self._leave_lock = False
1463
self._lock_mode = 'w'
1464
self._lock_count = 1
1465
elif self._lock_mode == 'r':
1466
raise errors.ReadOnlyTransaction
1468
if token is not None:
1469
# A token was given to lock_write, and we're relocking, so
1470
# check that the given token actually matches the one we
1472
if token != self._lock_token:
1473
raise errors.TokenMismatch(token, self._lock_token)
1474
self._lock_count += 1
1475
# Re-lock the repository too.
1476
self.repository.lock_write(self._repo_lock_token)
1477
return self._lock_token or None
1479
def _unlock(self, branch_token, repo_token):
1481
response = self._client.call('Branch.unlock', self._remote_path(), branch_token,
1483
except errors.ErrorFromSmartServer, err:
1484
self._translate_error(err, token=str((branch_token, repo_token)))
1485
if response == ('ok',):
1487
raise errors.UnexpectedSmartServerResponse(response)
1491
self._lock_count -= 1
1492
if not self._lock_count:
1493
self._clear_cached_state()
1494
mode = self._lock_mode
1495
self._lock_mode = None
1496
if self._real_branch is not None:
1497
if (not self._leave_lock and mode == 'w' and
1498
self._repo_lock_token):
1499
# If this RemoteBranch will remove the physical lock
1500
# for the repository, make sure the _real_branch
1501
# doesn't do it first. (Because the _real_branch's
1502
# repository is set to be the RemoteRepository.)
1503
self._real_branch.repository.leave_lock_in_place()
1504
self._real_branch.unlock()
1506
# Only write-locked branched need to make a remote method
1507
# call to perfom the unlock.
1509
if not self._lock_token:
1510
raise AssertionError('Locked, but no token!')
1511
branch_token = self._lock_token
1512
repo_token = self._repo_lock_token
1513
self._lock_token = None
1514
self._repo_lock_token = None
1515
if not self._leave_lock:
1516
self._unlock(branch_token, repo_token)
1518
self.repository.unlock()
1520
def break_lock(self):
1522
return self._real_branch.break_lock()
1524
def leave_lock_in_place(self):
1525
if not self._lock_token:
1526
raise NotImplementedError(self.leave_lock_in_place)
1527
self._leave_lock = True
1529
def dont_leave_lock_in_place(self):
1530
if not self._lock_token:
1531
raise NotImplementedError(self.dont_leave_lock_in_place)
1532
self._leave_lock = False
1534
def _last_revision_info(self):
1535
response = self._client.call('Branch.last_revision_info', self._remote_path())
1536
if response[0] != 'ok':
1537
raise SmartProtocolError('unexpected response code %s' % (response,))
1538
revno = int(response[1])
1539
last_revision = response[2]
1540
return (revno, last_revision)
1542
def _gen_revision_history(self):
1543
"""See Branch._gen_revision_history()."""
1544
response_tuple, response_handler = self._client.call_expecting_body(
1545
'Branch.revision_history', self._remote_path())
1546
if response_tuple[0] != 'ok':
1547
raise errors.UnexpectedSmartServerResponse(response_tuple)
1548
result = response_handler.read_body_bytes().split('\x00')
1553
def _remote_path(self):
1554
return self.bzrdir._path_for_remote_call(self._client)
1556
def _set_last_revision_descendant(self, revision_id, other_branch,
1557
allow_diverged=False, allow_overwrite_descendant=False):
1559
response = self._client.call('Branch.set_last_revision_ex',
1560
self._remote_path(), self._lock_token, self._repo_lock_token, revision_id,
1561
int(allow_diverged), int(allow_overwrite_descendant))
1562
except errors.ErrorFromSmartServer, err:
1563
self._translate_error(err, other_branch=other_branch)
1564
self._clear_cached_state()
1565
if len(response) != 3 and response[0] != 'ok':
1566
raise errors.UnexpectedSmartServerResponse(response)
1567
new_revno, new_revision_id = response[1:]
1568
self._last_revision_info_cache = new_revno, new_revision_id
1569
if self._real_branch is not None:
1570
cache = new_revno, new_revision_id
1571
self._real_branch._last_revision_info_cache = cache
1573
def _set_last_revision(self, revision_id):
1574
self._clear_cached_state()
1576
response = self._client.call('Branch.set_last_revision',
1577
self._remote_path(), self._lock_token, self._repo_lock_token, revision_id)
1578
except errors.ErrorFromSmartServer, err:
1579
self._translate_error(err)
1580
if response != ('ok',):
1581
raise errors.UnexpectedSmartServerResponse(response)
1584
def set_revision_history(self, rev_history):
1585
# Send just the tip revision of the history; the server will generate
1586
# the full history from that. If the revision doesn't exist in this
1587
# branch, NoSuchRevision will be raised.
1588
if rev_history == []:
1591
rev_id = rev_history[-1]
1592
self._set_last_revision(rev_id)
1593
self._cache_revision_history(rev_history)
1595
def get_parent(self):
1597
return self._real_branch.get_parent()
1599
def set_parent(self, url):
1601
return self._real_branch.set_parent(url)
1603
def set_stacked_on_url(self, stacked_location):
1604
"""Set the URL this branch is stacked against.
1606
:raises UnstackableBranchFormat: If the branch does not support
1608
:raises UnstackableRepositoryFormat: If the repository does not support
1612
return self._real_branch.set_stacked_on_url(stacked_location)
1614
def sprout(self, to_bzrdir, revision_id=None):
1615
# Like Branch.sprout, except that it sprouts a branch in the default
1616
# format, because RemoteBranches can't be created at arbitrary URLs.
1617
# XXX: if to_bzrdir is a RemoteBranch, this should perhaps do
1618
# to_bzrdir.create_branch...
1620
result = self._real_branch._format.initialize(to_bzrdir)
1621
self.copy_content_into(result, revision_id=revision_id)
1622
result.set_parent(self.bzrdir.root_transport.base)
1626
def pull(self, source, overwrite=False, stop_revision=None,
1628
self._clear_cached_state_of_remote_branch_only()
1630
return self._real_branch.pull(
1631
source, overwrite=overwrite, stop_revision=stop_revision,
1632
_override_hook_target=self, **kwargs)
1635
def push(self, target, overwrite=False, stop_revision=None):
1637
return self._real_branch.push(
1638
target, overwrite=overwrite, stop_revision=stop_revision,
1639
_override_hook_source_branch=self)
1641
def is_locked(self):
1642
return self._lock_count >= 1
1645
def revision_id_to_revno(self, revision_id):
1647
return self._real_branch.revision_id_to_revno(revision_id)
1650
def set_last_revision_info(self, revno, revision_id):
1651
revision_id = ensure_null(revision_id)
1653
response = self._client.call('Branch.set_last_revision_info',
1654
self._remote_path(), self._lock_token, self._repo_lock_token, str(revno), revision_id)
1655
except errors.UnknownSmartMethod:
1657
self._clear_cached_state_of_remote_branch_only()
1658
self._real_branch.set_last_revision_info(revno, revision_id)
1659
self._last_revision_info_cache = revno, revision_id
1661
except errors.ErrorFromSmartServer, err:
1662
self._translate_error(err)
1663
if response == ('ok',):
1664
self._clear_cached_state()
1665
self._last_revision_info_cache = revno, revision_id
1666
# Update the _real_branch's cache too.
1667
if self._real_branch is not None:
1668
cache = self._last_revision_info_cache
1669
self._real_branch._last_revision_info_cache = cache
1671
raise errors.UnexpectedSmartServerResponse(response)
1674
def generate_revision_history(self, revision_id, last_rev=None,
1676
medium = self._client._medium
1677
if not medium._is_remote_before((1, 6)):
1679
self._set_last_revision_descendant(revision_id, other_branch,
1680
allow_diverged=True, allow_overwrite_descendant=True)
1682
except errors.UnknownSmartMethod:
1683
medium._remember_remote_is_before((1, 6))
1684
self._clear_cached_state_of_remote_branch_only()
1686
self._real_branch.generate_revision_history(
1687
revision_id, last_rev=last_rev, other_branch=other_branch)
1692
return self._real_branch.tags
1694
def set_push_location(self, location):
1696
return self._real_branch.set_push_location(location)
1699
def update_revisions(self, other, stop_revision=None, overwrite=False,
1701
"""See Branch.update_revisions."""
1704
if stop_revision is None:
1705
stop_revision = other.last_revision()
1706
if revision.is_null(stop_revision):
1707
# if there are no commits, we're done.
1709
self.fetch(other, stop_revision)
1712
# Just unconditionally set the new revision. We don't care if
1713
# the branches have diverged.
1714
self._set_last_revision(stop_revision)
1716
medium = self._client._medium
1717
if not medium._is_remote_before((1, 6)):
1719
self._set_last_revision_descendant(stop_revision, other)
1721
except errors.UnknownSmartMethod:
1722
medium._remember_remote_is_before((1, 6))
1723
# Fallback for pre-1.6 servers: check for divergence
1724
# client-side, then do _set_last_revision.
1725
last_rev = revision.ensure_null(self.last_revision())
1727
graph = self.repository.get_graph()
1728
if self._check_if_descendant_or_diverged(
1729
stop_revision, last_rev, graph, other):
1730
# stop_revision is a descendant of last_rev, but we aren't
1731
# overwriting, so we're done.
1733
self._set_last_revision(stop_revision)
1738
def _extract_tar(tar, to_dir):
1739
"""Extract all the contents of a tarfile object.
1741
A replacement for extractall, which is not present in python2.4
1744
tar.extract(tarinfo, to_dir)
1747
def _translate_error(err, **context):
1748
"""Translate an ErrorFromSmartServer into a more useful error.
1750
Possible context keys:
1757
If the error from the server doesn't match a known pattern, then
1758
UnknownErrorFromSmartServer is raised.
1762
return context[name]
1763
except KeyError, keyErr:
1764
mutter('Missing key %r in context %r', keyErr.args[0], context)
1766
if err.error_verb == 'NoSuchRevision':
1767
raise NoSuchRevision(find('branch'), err.error_args[0])
1768
elif err.error_verb == 'nosuchrevision':
1769
raise NoSuchRevision(find('repository'), err.error_args[0])
1770
elif err.error_tuple == ('nobranch',):
1771
raise errors.NotBranchError(path=find('bzrdir').root_transport.base)
1772
elif err.error_verb == 'norepository':
1773
raise errors.NoRepositoryPresent(find('bzrdir'))
1774
elif err.error_verb == 'LockContention':
1775
raise errors.LockContention('(remote lock)')
1776
elif err.error_verb == 'UnlockableTransport':
1777
raise errors.UnlockableTransport(find('bzrdir').root_transport)
1778
elif err.error_verb == 'LockFailed':
1779
raise errors.LockFailed(err.error_args[0], err.error_args[1])
1780
elif err.error_verb == 'TokenMismatch':
1781
raise errors.TokenMismatch(find('token'), '(remote token)')
1782
elif err.error_verb == 'Diverged':
1783
raise errors.DivergedBranches(find('branch'), find('other_branch'))
1784
elif err.error_verb == 'TipChangeRejected':
1785
raise errors.TipChangeRejected(err.error_args[0].decode('utf8'))
1786
elif err.error_verb == 'UnstackableBranchFormat':
1787
raise errors.UnstackableBranchFormat(*err.error_args)
1788
elif err.error_verb == 'UnstackableRepositoryFormat':
1789
raise errors.UnstackableRepositoryFormat(*err.error_args)
1790
elif err.error_verb == 'NotStacked':
1791
raise errors.NotStacked(branch=find('branch'))
1792
raise errors.UnknownErrorFromSmartServer(err)
added
removed
bzrlib/remote.py
