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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 cStringIO import StringIO
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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.config import BranchConfig, TreeConfig
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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.pack import ContainerPushParser
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from bzrlib.smart import client, vfs
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from bzrlib.symbol_versioning import (
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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):
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return self._real_bzrdir.cloning_metadir()
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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 not self._real_repository:
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self.bzrdir._ensure_real()
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#self._real_repository = self.bzrdir._real_bzrdir.open_repository()
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self._set_real_repository(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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return response[0] == 'yes'
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def has_revisions(self, revision_ids):
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"""See Repository.has_revisions()."""
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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):
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if not self._lock_mode:
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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 isinstance(repository, RemoteRepository):
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raise AssertionError()
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self._real_repository = repository
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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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builder = self._real_repository.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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if not self._format.supports_external_lookups:
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raise errors.UnstackableRepositoryFormat(self._format, self.base)
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# We need to accumulate additional repositories here, to pass them in
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self._fallback_repositories.append(repository)
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def add_inventory(self, revid, inv, parents):
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return self._real_repository.add_inventory(revid, inv, parents)
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def add_revision(self, rev_id, rev, inv=None, config=None):
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return self._real_repository.add_revision(
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rev_id, rev, inv=inv, config=config)
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def get_inventory(self, revision_id):
734
return self._real_repository.get_inventory(revision_id)
736
def iter_inventories(self, revision_ids):
738
return self._real_repository.iter_inventories(revision_ids)
741
def get_revision(self, revision_id):
743
return self._real_repository.get_revision(revision_id)
745
def get_transaction(self):
747
return self._real_repository.get_transaction()
750
def clone(self, a_bzrdir, revision_id=None):
752
return self._real_repository.clone(a_bzrdir, revision_id=revision_id)
754
def make_working_trees(self):
755
"""See Repository.make_working_trees"""
757
return self._real_repository.make_working_trees()
759
def revision_ids_to_search_result(self, result_set):
760
"""Convert a set of revision ids to a graph SearchResult."""
761
result_parents = set()
762
for parents in self.get_graph().get_parent_map(
763
result_set).itervalues():
764
result_parents.update(parents)
765
included_keys = result_set.intersection(result_parents)
766
start_keys = result_set.difference(included_keys)
767
exclude_keys = result_parents.difference(result_set)
768
result = graph.SearchResult(start_keys, exclude_keys,
769
len(result_set), result_set)
773
def search_missing_revision_ids(self, other, revision_id=None, find_ghosts=True):
774
"""Return the revision ids that other has that this does not.
776
These are returned in topological order.
778
revision_id: only return revision ids included by revision_id.
780
return repository.InterRepository.get(
781
other, self).search_missing_revision_ids(revision_id, find_ghosts)
783
def fetch(self, source, revision_id=None, pb=None):
784
if self.has_same_location(source):
785
# check that last_revision is in 'from' and then return a
787
if (revision_id is not None and
788
not revision.is_null(revision_id)):
789
self.get_revision(revision_id)
792
return self._real_repository.fetch(
793
source, revision_id=revision_id, pb=pb)
795
def create_bundle(self, target, base, fileobj, format=None):
797
self._real_repository.create_bundle(target, base, fileobj, format)
800
def get_ancestry(self, revision_id, topo_sorted=True):
802
return self._real_repository.get_ancestry(revision_id, topo_sorted)
804
def fileids_altered_by_revision_ids(self, revision_ids):
806
return self._real_repository.fileids_altered_by_revision_ids(revision_ids)
808
def _get_versioned_file_checker(self, revisions, revision_versions_cache):
810
return self._real_repository._get_versioned_file_checker(
811
revisions, revision_versions_cache)
813
def iter_files_bytes(self, desired_files):
814
"""See Repository.iter_file_bytes.
817
return self._real_repository.iter_files_bytes(desired_files)
820
def _fetch_order(self):
821
"""Decorate the real repository for now.
823
In the long term getting this back from the remote repository as part
824
of open would be more efficient.
827
return self._real_repository._fetch_order
830
def _fetch_uses_deltas(self):
831
"""Decorate the real repository for now.
833
In the long term getting this back from the remote repository as part
834
of open would be more efficient.
837
return self._real_repository._fetch_uses_deltas
840
def _fetch_reconcile(self):
841
"""Decorate the real repository for now.
843
In the long term getting this back from the remote repository as part
844
of open would be more efficient.
847
return self._real_repository._fetch_reconcile
849
def get_parent_map(self, keys):
850
"""See bzrlib.Graph.get_parent_map()."""
851
# Hack to build up the caching logic.
852
ancestry = self._parents_map
854
# Repository is not locked, so there's no cache.
855
missing_revisions = set(keys)
858
missing_revisions = set(key for key in keys if key not in ancestry)
859
if missing_revisions:
860
parent_map = self._get_parent_map(missing_revisions)
861
if 'hpss' in debug.debug_flags:
862
mutter('retransmitted revisions: %d of %d',
863
len(set(ancestry).intersection(parent_map)),
865
ancestry.update(parent_map)
866
present_keys = [k for k in keys if k in ancestry]
867
if 'hpss' in debug.debug_flags:
868
if self._requested_parents is not None and len(ancestry) != 0:
869
self._requested_parents.update(present_keys)
870
mutter('Current RemoteRepository graph hit rate: %d%%',
871
100.0 * len(self._requested_parents) / len(ancestry))
872
return dict((k, ancestry[k]) for k in present_keys)
874
def _get_parent_map(self, keys):
875
"""Helper for get_parent_map that performs the RPC."""
876
medium = self._client._medium
877
if medium._is_remote_before((1, 2)):
878
# We already found out that the server can't understand
879
# Repository.get_parent_map requests, so just fetch the whole
881
# XXX: Note that this will issue a deprecation warning. This is ok
882
# :- its because we're working with a deprecated server anyway, and
883
# the user will almost certainly have seen a warning about the
884
# server version already.
885
rg = self.get_revision_graph()
886
# There is an api discrepency between get_parent_map and
887
# get_revision_graph. Specifically, a "key:()" pair in
888
# get_revision_graph just means a node has no parents. For
889
# "get_parent_map" it means the node is a ghost. So fix up the
890
# graph to correct this.
891
# https://bugs.launchpad.net/bzr/+bug/214894
892
# There is one other "bug" which is that ghosts in
893
# get_revision_graph() are not returned at all. But we won't worry
894
# about that for now.
895
for node_id, parent_ids in rg.iteritems():
897
rg[node_id] = (NULL_REVISION,)
898
rg[NULL_REVISION] = ()
903
raise ValueError('get_parent_map(None) is not valid')
904
if NULL_REVISION in keys:
905
keys.discard(NULL_REVISION)
906
found_parents = {NULL_REVISION:()}
911
# TODO(Needs analysis): We could assume that the keys being requested
912
# from get_parent_map are in a breadth first search, so typically they
913
# will all be depth N from some common parent, and we don't have to
914
# have the server iterate from the root parent, but rather from the
915
# keys we're searching; and just tell the server the keyspace we
916
# already have; but this may be more traffic again.
918
# Transform self._parents_map into a search request recipe.
919
# TODO: Manage this incrementally to avoid covering the same path
920
# repeatedly. (The server will have to on each request, but the less
921
# work done the better).
922
parents_map = self._parents_map
923
if parents_map is None:
924
# Repository is not locked, so there's no cache.
926
start_set = set(parents_map)
927
result_parents = set()
928
for parents in parents_map.itervalues():
929
result_parents.update(parents)
930
stop_keys = result_parents.difference(start_set)
931
included_keys = start_set.intersection(result_parents)
932
start_set.difference_update(included_keys)
933
recipe = (start_set, stop_keys, len(parents_map))
934
body = self._serialise_search_recipe(recipe)
935
path = self.bzrdir._path_for_remote_call(self._client)
937
if type(key) is not str:
939
"key %r not a plain string" % (key,))
940
verb = 'Repository.get_parent_map'
941
args = (path,) + tuple(keys)
943
response = self._client.call_with_body_bytes_expecting_body(
944
verb, args, self._serialise_search_recipe(recipe))
945
except errors.UnknownSmartMethod:
946
# Server does not support this method, so get the whole graph.
947
# Worse, we have to force a disconnection, because the server now
948
# doesn't realise it has a body on the wire to consume, so the
949
# only way to recover is to abandon the connection.
951
'Server is too old for fast get_parent_map, reconnecting. '
952
'(Upgrade the server to Bazaar 1.2 to avoid this)')
954
# To avoid having to disconnect repeatedly, we keep track of the
955
# fact the server doesn't understand remote methods added in 1.2.
956
medium._remember_remote_is_before((1, 2))
957
return self.get_revision_graph(None)
958
response_tuple, response_handler = response
959
if response_tuple[0] not in ['ok']:
960
response_handler.cancel_read_body()
961
raise errors.UnexpectedSmartServerResponse(response_tuple)
962
if response_tuple[0] == 'ok':
963
coded = bz2.decompress(response_handler.read_body_bytes())
967
lines = coded.split('\n')
970
d = tuple(line.split())
972
revision_graph[d[0]] = d[1:]
974
# No parents - so give the Graph result (NULL_REVISION,).
975
revision_graph[d[0]] = (NULL_REVISION,)
976
return revision_graph
979
def get_signature_text(self, revision_id):
981
return self._real_repository.get_signature_text(revision_id)
984
@symbol_versioning.deprecated_method(symbol_versioning.one_three)
985
def get_revision_graph_with_ghosts(self, revision_ids=None):
987
return self._real_repository.get_revision_graph_with_ghosts(
988
revision_ids=revision_ids)
991
def get_inventory_xml(self, revision_id):
993
return self._real_repository.get_inventory_xml(revision_id)
995
def deserialise_inventory(self, revision_id, xml):
997
return self._real_repository.deserialise_inventory(revision_id, xml)
999
def reconcile(self, other=None, thorough=False):
1001
return self._real_repository.reconcile(other=other, thorough=thorough)
1003
def all_revision_ids(self):
1005
return self._real_repository.all_revision_ids()
1008
def get_deltas_for_revisions(self, revisions):
1010
return self._real_repository.get_deltas_for_revisions(revisions)
1013
def get_revision_delta(self, revision_id):
1015
return self._real_repository.get_revision_delta(revision_id)
1018
def revision_trees(self, revision_ids):
1020
return self._real_repository.revision_trees(revision_ids)
1023
def get_revision_reconcile(self, revision_id):
1025
return self._real_repository.get_revision_reconcile(revision_id)
1028
def check(self, revision_ids=None):
1030
return self._real_repository.check(revision_ids=revision_ids)
1032
def copy_content_into(self, destination, revision_id=None):
1034
return self._real_repository.copy_content_into(
1035
destination, revision_id=revision_id)
1037
def _copy_repository_tarball(self, to_bzrdir, revision_id=None):
1038
# get a tarball of the remote repository, and copy from that into the
1040
from bzrlib import osutils
1043
# TODO: Maybe a progress bar while streaming the tarball?
1044
note("Copying repository content as tarball...")
1045
tar_file = self._get_tarball('bz2')
1046
if tar_file is None:
1048
destination = to_bzrdir.create_repository()
1050
tar = tarfile.open('repository', fileobj=tar_file,
1052
tmpdir = tempfile.mkdtemp()
1054
_extract_tar(tar, tmpdir)
1055
tmp_bzrdir = BzrDir.open(tmpdir)
1056
tmp_repo = tmp_bzrdir.open_repository()
1057
tmp_repo.copy_content_into(destination, revision_id)
1059
osutils.rmtree(tmpdir)
1063
# TODO: Suggestion from john: using external tar is much faster than
1064
# python's tarfile library, but it may not work on windows.
1067
def inventories(self):
1068
"""Decorate the real repository for now.
1070
In the long term a full blown network facility is needed to
1071
avoid creating a real repository object locally.
1074
return self._real_repository.inventories
1078
"""Compress the data within the repository.
1080
This is not currently implemented within the smart server.
1083
return self._real_repository.pack()
1086
def revisions(self):
1087
"""Decorate the real repository for now.
1089
In the short term this should become a real object to intercept graph
1092
In the long term a full blown network facility is needed.
1095
return self._real_repository.revisions
1097
def set_make_working_trees(self, new_value):
1099
self._real_repository.set_make_working_trees(new_value)
1102
def signatures(self):
1103
"""Decorate the real repository for now.
1105
In the long term a full blown network facility is needed to avoid
1106
creating a real repository object locally.
1109
return self._real_repository.signatures
1112
def sign_revision(self, revision_id, gpg_strategy):
1114
return self._real_repository.sign_revision(revision_id, gpg_strategy)
1118
"""Decorate the real repository for now.
1120
In the long term a full blown network facility is needed to avoid
1121
creating a real repository object locally.
1124
return self._real_repository.texts
1127
def get_revisions(self, revision_ids):
1129
return self._real_repository.get_revisions(revision_ids)
1131
def supports_rich_root(self):
1133
return self._real_repository.supports_rich_root()
1135
def iter_reverse_revision_history(self, revision_id):
1137
return self._real_repository.iter_reverse_revision_history(revision_id)
1140
def _serializer(self):
1142
return self._real_repository._serializer
1144
def store_revision_signature(self, gpg_strategy, plaintext, revision_id):
1146
return self._real_repository.store_revision_signature(
1147
gpg_strategy, plaintext, revision_id)
1149
def add_signature_text(self, revision_id, signature):
1151
return self._real_repository.add_signature_text(revision_id, signature)
1153
def has_signature_for_revision_id(self, revision_id):
1155
return self._real_repository.has_signature_for_revision_id(revision_id)
1157
def item_keys_introduced_by(self, revision_ids, _files_pb=None):
1159
return self._real_repository.item_keys_introduced_by(revision_ids,
1160
_files_pb=_files_pb)
1162
def revision_graph_can_have_wrong_parents(self):
1163
# The answer depends on the remote repo format.
1165
return self._real_repository.revision_graph_can_have_wrong_parents()
1167
def _find_inconsistent_revision_parents(self):
1169
return self._real_repository._find_inconsistent_revision_parents()
1171
def _check_for_inconsistent_revision_parents(self):
1173
return self._real_repository._check_for_inconsistent_revision_parents()
1175
def _make_parents_provider(self):
1178
def _serialise_search_recipe(self, recipe):
1179
"""Serialise a graph search recipe.
1181
:param recipe: A search recipe (start, stop, count).
1182
:return: Serialised bytes.
1184
start_keys = ' '.join(recipe[0])
1185
stop_keys = ' '.join(recipe[1])
1186
count = str(recipe[2])
1187
return '\n'.join((start_keys, stop_keys, count))
1190
class RemoteBranchLockableFiles(LockableFiles):
1191
"""A 'LockableFiles' implementation that talks to a smart server.
1193
This is not a public interface class.
1196
def __init__(self, bzrdir, _client):
1197
self.bzrdir = bzrdir
1198
self._client = _client
1199
self._need_find_modes = True
1200
LockableFiles.__init__(
1201
self, bzrdir.get_branch_transport(None),
1202
'lock', lockdir.LockDir)
1204
def _find_modes(self):
1205
# RemoteBranches don't let the client set the mode of control files.
1206
self._dir_mode = None
1207
self._file_mode = None
1210
class RemoteBranchFormat(branch.BranchFormat):
1212
def __eq__(self, other):
1213
return (isinstance(other, RemoteBranchFormat) and
1214
self.__dict__ == other.__dict__)
1216
def get_format_description(self):
1217
return 'Remote BZR Branch'
1219
def get_format_string(self):
1220
return 'Remote BZR Branch'
1222
def open(self, a_bzrdir):
1223
return a_bzrdir.open_branch()
1225
def initialize(self, a_bzrdir):
1226
return a_bzrdir.create_branch()
1228
def supports_tags(self):
1229
# Remote branches might support tags, but we won't know until we
1230
# access the real remote branch.
1234
class RemoteBranch(branch.Branch):
1235
"""Branch stored on a server accessed by HPSS RPC.
1237
At the moment most operations are mapped down to simple file operations.
1240
def __init__(self, remote_bzrdir, remote_repository, real_branch=None,
1242
"""Create a RemoteBranch instance.
1244
:param real_branch: An optional local implementation of the branch
1245
format, usually accessing the data via the VFS.
1246
:param _client: Private parameter for testing.
1248
# We intentionally don't call the parent class's __init__, because it
1249
# will try to assign to self.tags, which is a property in this subclass.
1250
# And the parent's __init__ doesn't do much anyway.
1251
self._revision_id_to_revno_cache = None
1252
self._revision_history_cache = None
1253
self._last_revision_info_cache = None
1254
self.bzrdir = remote_bzrdir
1255
if _client is not None:
1256
self._client = _client
1258
self._client = remote_bzrdir._client
1259
self.repository = remote_repository
1260
if real_branch is not None:
1261
self._real_branch = real_branch
1262
# Give the remote repository the matching real repo.
1263
real_repo = self._real_branch.repository
1264
if isinstance(real_repo, RemoteRepository):
1265
real_repo._ensure_real()
1266
real_repo = real_repo._real_repository
1267
self.repository._set_real_repository(real_repo)
1268
# Give the branch the remote repository to let fast-pathing happen.
1269
self._real_branch.repository = self.repository
1271
self._real_branch = None
1272
# Fill out expected attributes of branch for bzrlib api users.
1273
self._format = RemoteBranchFormat()
1274
self.base = self.bzrdir.root_transport.base
1275
self._control_files = None
1276
self._lock_mode = None
1277
self._lock_token = None
1278
self._repo_lock_token = None
1279
self._lock_count = 0
1280
self._leave_lock = False
1282
def _get_real_transport(self):
1283
# if we try vfs access, return the real branch's vfs transport
1285
return self._real_branch._transport
1287
_transport = property(_get_real_transport)
1290
return "%s(%s)" % (self.__class__.__name__, self.base)
1294
def _ensure_real(self):
1295
"""Ensure that there is a _real_branch set.
1297
Used before calls to self._real_branch.
1299
if self._real_branch is None:
1300
if not vfs.vfs_enabled():
1301
raise AssertionError('smart server vfs must be enabled '
1302
'to use vfs implementation')
1303
self.bzrdir._ensure_real()
1304
self._real_branch = self.bzrdir._real_bzrdir.open_branch()
1305
# Give the remote repository the matching real repo.
1306
real_repo = self._real_branch.repository
1307
if isinstance(real_repo, RemoteRepository):
1308
real_repo._ensure_real()
1309
real_repo = real_repo._real_repository
1310
self.repository._set_real_repository(real_repo)
1311
# Give the branch the remote repository to let fast-pathing happen.
1312
self._real_branch.repository = self.repository
1313
# XXX: deal with _lock_mode == 'w'
1314
if self._lock_mode == 'r':
1315
self._real_branch.lock_read()
1317
def _translate_error(self, err, **context):
1318
self.repository._translate_error(err, branch=self, **context)
1320
def _clear_cached_state(self):
1321
super(RemoteBranch, self)._clear_cached_state()
1322
if self._real_branch is not None:
1323
self._real_branch._clear_cached_state()
1325
def _clear_cached_state_of_remote_branch_only(self):
1326
"""Like _clear_cached_state, but doesn't clear the cache of
1329
This is useful when falling back to calling a method of
1330
self._real_branch that changes state. In that case the underlying
1331
branch changes, so we need to invalidate this RemoteBranch's cache of
1332
it. However, there's no need to invalidate the _real_branch's cache
1333
too, in fact doing so might harm performance.
1335
super(RemoteBranch, self)._clear_cached_state()
1338
def control_files(self):
1339
# Defer actually creating RemoteBranchLockableFiles until its needed,
1340
# because it triggers an _ensure_real that we otherwise might not need.
1341
if self._control_files is None:
1342
self._control_files = RemoteBranchLockableFiles(
1343
self.bzrdir, self._client)
1344
return self._control_files
1346
def _get_checkout_format(self):
1348
return self._real_branch._get_checkout_format()
1350
def get_physical_lock_status(self):
1351
"""See Branch.get_physical_lock_status()."""
1352
# should be an API call to the server, as branches must be lockable.
1354
return self._real_branch.get_physical_lock_status()
1356
def get_stacked_on_url(self):
1357
"""Get the URL this branch is stacked against.
1359
:raises NotStacked: If the branch is not stacked.
1360
:raises UnstackableBranchFormat: If the branch does not support
1362
:raises UnstackableRepositoryFormat: If the repository does not support
1366
return self._real_branch.get_stacked_on_url()
1368
def lock_read(self):
1369
if not self._lock_mode:
1370
self._lock_mode = 'r'
1371
self._lock_count = 1
1372
if self._real_branch is not None:
1373
self._real_branch.lock_read()
1375
self._lock_count += 1
1377
def _remote_lock_write(self, token):
1379
branch_token = repo_token = ''
1381
branch_token = token
1382
repo_token = self.repository.lock_write()
1383
self.repository.unlock()
1384
path = self.bzrdir._path_for_remote_call(self._client)
1386
response = self._client.call(
1387
'Branch.lock_write', path, branch_token, repo_token or '')
1388
except errors.ErrorFromSmartServer, err:
1389
self._translate_error(err, token=token)
1390
if response[0] != 'ok':
1391
raise errors.UnexpectedSmartServerResponse(response)
1392
ok, branch_token, repo_token = response
1393
return branch_token, repo_token
1395
def lock_write(self, token=None):
1396
if not self._lock_mode:
1397
remote_tokens = self._remote_lock_write(token)
1398
self._lock_token, self._repo_lock_token = remote_tokens
1399
if not self._lock_token:
1400
raise SmartProtocolError('Remote server did not return a token!')
1401
# TODO: We really, really, really don't want to call _ensure_real
1402
# here, but it's the easiest way to ensure coherency between the
1403
# state of the RemoteBranch and RemoteRepository objects and the
1404
# physical locks. If we don't materialise the real objects here,
1405
# then getting everything in the right state later is complex, so
1406
# for now we just do it the lazy way.
1407
# -- Andrew Bennetts, 2007-02-22.
1409
if self._real_branch is not None:
1410
self._real_branch.repository.lock_write(
1411
token=self._repo_lock_token)
1413
self._real_branch.lock_write(token=self._lock_token)
1415
self._real_branch.repository.unlock()
1416
if token is not None:
1417
self._leave_lock = True
1419
# XXX: this case seems to be unreachable; token cannot be None.
1420
self._leave_lock = False
1421
self._lock_mode = 'w'
1422
self._lock_count = 1
1423
elif self._lock_mode == 'r':
1424
raise errors.ReadOnlyTransaction
1426
if token is not None:
1427
# A token was given to lock_write, and we're relocking, so check
1428
# that the given token actually matches the one we already have.
1429
if token != self._lock_token:
1430
raise errors.TokenMismatch(token, self._lock_token)
1431
self._lock_count += 1
1432
return self._lock_token or None
1434
def _unlock(self, branch_token, repo_token):
1435
path = self.bzrdir._path_for_remote_call(self._client)
1437
response = self._client.call('Branch.unlock', path, branch_token,
1439
except errors.ErrorFromSmartServer, err:
1440
self._translate_error(err, token=str((branch_token, repo_token)))
1441
if response == ('ok',):
1443
raise errors.UnexpectedSmartServerResponse(response)
1446
self._lock_count -= 1
1447
if not self._lock_count:
1448
self._clear_cached_state()
1449
mode = self._lock_mode
1450
self._lock_mode = None
1451
if self._real_branch is not None:
1452
if (not self._leave_lock and mode == 'w' and
1453
self._repo_lock_token):
1454
# If this RemoteBranch will remove the physical lock for the
1455
# repository, make sure the _real_branch doesn't do it
1456
# first. (Because the _real_branch's repository is set to
1457
# be the RemoteRepository.)
1458
self._real_branch.repository.leave_lock_in_place()
1459
self._real_branch.unlock()
1461
# Only write-locked branched need to make a remote method call
1462
# to perfom the unlock.
1464
if not self._lock_token:
1465
raise AssertionError('Locked, but no token!')
1466
branch_token = self._lock_token
1467
repo_token = self._repo_lock_token
1468
self._lock_token = None
1469
self._repo_lock_token = None
1470
if not self._leave_lock:
1471
self._unlock(branch_token, repo_token)
1473
def break_lock(self):
1475
return self._real_branch.break_lock()
1477
def leave_lock_in_place(self):
1478
if not self._lock_token:
1479
raise NotImplementedError(self.leave_lock_in_place)
1480
self._leave_lock = True
1482
def dont_leave_lock_in_place(self):
1483
if not self._lock_token:
1484
raise NotImplementedError(self.dont_leave_lock_in_place)
1485
self._leave_lock = False
1487
def _last_revision_info(self):
1488
path = self.bzrdir._path_for_remote_call(self._client)
1489
response = self._client.call('Branch.last_revision_info', path)
1490
if response[0] != 'ok':
1491
raise SmartProtocolError('unexpected response code %s' % (response,))
1492
revno = int(response[1])
1493
last_revision = response[2]
1494
return (revno, last_revision)
1496
def _gen_revision_history(self):
1497
"""See Branch._gen_revision_history()."""
1498
path = self.bzrdir._path_for_remote_call(self._client)
1499
response_tuple, response_handler = self._client.call_expecting_body(
1500
'Branch.revision_history', path)
1501
if response_tuple[0] != 'ok':
1502
raise errors.UnexpectedSmartServerResponse(response_tuple)
1503
result = response_handler.read_body_bytes().split('\x00')
1508
def _set_last_revision_descendant(self, revision_id, other_branch,
1509
allow_diverged=False, allow_overwrite_descendant=False):
1510
path = self.bzrdir._path_for_remote_call(self._client)
1512
response = self._client.call('Branch.set_last_revision_ex',
1513
path, self._lock_token, self._repo_lock_token, revision_id,
1514
int(allow_diverged), int(allow_overwrite_descendant))
1515
except errors.ErrorFromSmartServer, err:
1516
self._translate_error(err, other_branch=other_branch)
1517
self._clear_cached_state()
1518
if len(response) != 3 and response[0] != 'ok':
1519
raise errors.UnexpectedSmartServerResponse(response)
1520
new_revno, new_revision_id = response[1:]
1521
self._last_revision_info_cache = new_revno, new_revision_id
1522
self._real_branch._last_revision_info_cache = new_revno, new_revision_id
1524
def _set_last_revision(self, revision_id):
1525
path = self.bzrdir._path_for_remote_call(self._client)
1526
self._clear_cached_state()
1528
response = self._client.call('Branch.set_last_revision',
1529
path, self._lock_token, self._repo_lock_token, revision_id)
1530
except errors.ErrorFromSmartServer, err:
1531
self._translate_error(err)
1532
if response != ('ok',):
1533
raise errors.UnexpectedSmartServerResponse(response)
1536
def set_revision_history(self, rev_history):
1537
# Send just the tip revision of the history; the server will generate
1538
# the full history from that. If the revision doesn't exist in this
1539
# branch, NoSuchRevision will be raised.
1540
if rev_history == []:
1543
rev_id = rev_history[-1]
1544
self._set_last_revision(rev_id)
1545
self._cache_revision_history(rev_history)
1547
def get_parent(self):
1549
return self._real_branch.get_parent()
1551
def set_parent(self, url):
1553
return self._real_branch.set_parent(url)
1555
def set_stacked_on_url(self, stacked_location):
1556
"""Set the URL this branch is stacked against.
1558
:raises UnstackableBranchFormat: If the branch does not support
1560
:raises UnstackableRepositoryFormat: If the repository does not support
1564
return self._real_branch.set_stacked_on_url(stacked_location)
1566
def sprout(self, to_bzrdir, revision_id=None):
1567
# Like Branch.sprout, except that it sprouts a branch in the default
1568
# format, because RemoteBranches can't be created at arbitrary URLs.
1569
# XXX: if to_bzrdir is a RemoteBranch, this should perhaps do
1570
# to_bzrdir.create_branch...
1572
result = self._real_branch._format.initialize(to_bzrdir)
1573
self.copy_content_into(result, revision_id=revision_id)
1574
result.set_parent(self.bzrdir.root_transport.base)
1578
def pull(self, source, overwrite=False, stop_revision=None,
1580
self._clear_cached_state_of_remote_branch_only()
1582
return self._real_branch.pull(
1583
source, overwrite=overwrite, stop_revision=stop_revision,
1584
_override_hook_target=self, **kwargs)
1587
def push(self, target, overwrite=False, stop_revision=None):
1589
return self._real_branch.push(
1590
target, overwrite=overwrite, stop_revision=stop_revision,
1591
_override_hook_source_branch=self)
1593
def is_locked(self):
1594
return self._lock_count >= 1
1597
def revision_id_to_revno(self, revision_id):
1599
return self._real_branch.revision_id_to_revno(revision_id)
1602
def set_last_revision_info(self, revno, revision_id):
1603
revision_id = ensure_null(revision_id)
1604
path = self.bzrdir._path_for_remote_call(self._client)
1606
response = self._client.call('Branch.set_last_revision_info',
1607
path, self._lock_token, self._repo_lock_token, str(revno), revision_id)
1608
except errors.UnknownSmartMethod:
1610
self._clear_cached_state_of_remote_branch_only()
1611
self._real_branch.set_last_revision_info(revno, revision_id)
1612
self._last_revision_info_cache = revno, revision_id
1614
except errors.ErrorFromSmartServer, err:
1615
self._translate_error(err)
1616
if response == ('ok',):
1617
self._clear_cached_state()
1618
self._last_revision_info_cache = revno, revision_id
1619
# Update the _real_branch's cache too.
1620
if self._real_branch is not None:
1621
cache = self._last_revision_info_cache
1622
self._real_branch._last_revision_info_cache = cache
1624
raise errors.UnexpectedSmartServerResponse(response)
1627
def generate_revision_history(self, revision_id, last_rev=None,
1629
medium = self._client._medium
1630
if not medium._is_remote_before((1, 6)):
1632
self._set_last_revision_descendant(revision_id, other_branch,
1633
allow_diverged=True, allow_overwrite_descendant=True)
1635
except errors.UnknownSmartMethod:
1636
medium._remember_remote_is_before((1, 6))
1637
self._clear_cached_state_of_remote_branch_only()
1639
self._real_branch.generate_revision_history(
1640
revision_id, last_rev=last_rev, other_branch=other_branch)
1645
return self._real_branch.tags
1647
def set_push_location(self, location):
1649
return self._real_branch.set_push_location(location)
1652
def update_revisions(self, other, stop_revision=None, overwrite=False,
1654
"""See Branch.update_revisions."""
1657
if stop_revision is None:
1658
stop_revision = other.last_revision()
1659
if revision.is_null(stop_revision):
1660
# if there are no commits, we're done.
1662
self.fetch(other, stop_revision)
1665
# Just unconditionally set the new revision. We don't care if
1666
# the branches have diverged.
1667
self._set_last_revision(stop_revision)
1669
medium = self._client._medium
1670
if not medium._is_remote_before((1, 6)):
1672
self._set_last_revision_descendant(stop_revision, other)
1674
except errors.UnknownSmartMethod:
1675
medium._remember_remote_is_before((1, 6))
1676
# Fallback for pre-1.6 servers: check for divergence
1677
# client-side, then do _set_last_revision.
1678
last_rev = revision.ensure_null(self.last_revision())
1680
graph = self.repository.get_graph()
1681
if self._check_if_descendant_or_diverged(
1682
stop_revision, last_rev, graph, other):
1683
# stop_revision is a descendant of last_rev, but we aren't
1684
# overwriting, so we're done.
1686
self._set_last_revision(stop_revision)
1691
def _extract_tar(tar, to_dir):
1692
"""Extract all the contents of a tarfile object.
1694
A replacement for extractall, which is not present in python2.4
1697
tar.extract(tarinfo, to_dir)
1700
def _translate_error(err, **context):
1701
"""Translate an ErrorFromSmartServer into a more useful error.
1703
Possible context keys:
1712
return context[name]
1713
except KeyError, keyErr:
1714
mutter('Missing key %r in context %r', keyErr.args[0], context)
1716
if err.error_verb == 'NoSuchRevision':
1717
raise NoSuchRevision(find('branch'), err.error_args[0])
1718
elif err.error_verb == 'nosuchrevision':
1719
raise NoSuchRevision(find('repository'), err.error_args[0])
1720
elif err.error_tuple == ('nobranch',):
1721
raise errors.NotBranchError(path=find('bzrdir').root_transport.base)
1722
elif err.error_verb == 'norepository':
1723
raise errors.NoRepositoryPresent(find('bzrdir'))
1724
elif err.error_verb == 'LockContention':
1725
raise errors.LockContention('(remote lock)')
1726
elif err.error_verb == 'UnlockableTransport':
1727
raise errors.UnlockableTransport(find('bzrdir').root_transport)
1728
elif err.error_verb == 'LockFailed':
1729
raise errors.LockFailed(err.error_args[0], err.error_args[1])
1730
elif err.error_verb == 'TokenMismatch':
1731
raise errors.TokenMismatch(find('token'), '(remote token)')
1732
elif err.error_verb == 'Diverged':
1733
raise errors.DivergedBranches(find('branch'), find('other_branch'))
1734
elif err.error_verb == 'TipChangeRejected':
1735
raise errors.TipChangeRejected(err.error_args[0].decode('utf8'))
added
removed
bzrlib/remote.py
