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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from __future__ import absolute_import
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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 import (
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bzrdir as _mod_bzrdir,
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config as _mod_config,
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repository as _mod_repository,
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revision as _mod_revision,
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testament as _mod_testament,
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from bzrlib.branch import BranchReferenceFormat, BranchWriteLockResult
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from bzrlib.decorators import needs_read_lock, needs_write_lock, only_raises
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from bzrlib.errors import (
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from bzrlib.i18n import gettext
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from bzrlib.inventory import Inventory
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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 NoSuchRevision
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from bzrlib.lockable_files import LockableFiles
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from bzrlib.smart import client, vfs, repository as smart_repo
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from bzrlib.smart.client import _SmartClient
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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 NULL_REVISION
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from bzrlib.revisiontree import InventoryRevisionTree
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from bzrlib.repository import RepositoryWriteLockResult, _LazyListJoin
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from bzrlib.serializer import format_registry as serializer_format_registry
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from bzrlib.trace import mutter, note, warning, log_exception_quietly
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from bzrlib.versionedfile import FulltextContentFactory
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_DEFAULT_SEARCH_DEPTH = 100
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class _RpcHelper(object):
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"""Mixin class that helps with issuing RPCs."""
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def _call(self, method, *args, **err_context):
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return self._client.call(method, *args)
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except errors.ErrorFromSmartServer, err:
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self._translate_error(err, **err_context)
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def _call_expecting_body(self, method, *args, **err_context):
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return self._client.call_expecting_body(method, *args)
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except errors.ErrorFromSmartServer, err:
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self._translate_error(err, **err_context)
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def _call_with_body_bytes(self, method, args, body_bytes, **err_context):
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return self._client.call_with_body_bytes(method, args, body_bytes)
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except errors.ErrorFromSmartServer, err:
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self._translate_error(err, **err_context)
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def _call_with_body_bytes_expecting_body(self, method, args, body_bytes,
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return self._client.call_with_body_bytes_expecting_body(
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method, args, body_bytes)
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except errors.ErrorFromSmartServer, err:
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self._translate_error(err, **err_context)
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def response_tuple_to_repo_format(response):
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"""Convert a response tuple describing a repository format to a format."""
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format = RemoteRepositoryFormat()
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format._rich_root_data = (response[0] == 'yes')
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format._supports_tree_reference = (response[1] == 'yes')
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format._supports_external_lookups = (response[2] == 'yes')
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format._network_name = response[3]
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# Note that RemoteBzrDirProber lives in bzrlib.bzrdir so bzrlib.remote
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# does not have to be imported unless a remote format is involved.
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class RemoteBzrDirFormat(_mod_bzrdir.BzrDirMetaFormat1):
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"""Format representing bzrdirs accessed via a smart server"""
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supports_workingtrees = False
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colocated_branches = False
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_mod_bzrdir.BzrDirMetaFormat1.__init__(self)
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# XXX: It's a bit ugly that the network name is here, because we'd
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# like to believe that format objects are stateless or at least
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# immutable, However, we do at least avoid mutating the name after
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# it's returned. See <https://bugs.launchpad.net/bzr/+bug/504102>
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self._network_name = None
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return "%s(_network_name=%r)" % (self.__class__.__name__,
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def get_format_description(self):
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if self._network_name:
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real_format = controldir.network_format_registry.get(
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return 'Remote: ' + real_format.get_format_description()
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return 'bzr remote bzrdir'
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def get_format_string(self):
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raise NotImplementedError(self.get_format_string)
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def network_name(self):
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if self._network_name:
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return self._network_name
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raise AssertionError("No network name set.")
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def initialize_on_transport(self, transport):
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# hand off the request to the smart server
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client_medium = transport.get_smart_medium()
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except errors.NoSmartMedium:
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# TODO: lookup the local format from a server hint.
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local_dir_format = _mod_bzrdir.BzrDirMetaFormat1()
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return local_dir_format.initialize_on_transport(transport)
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client = _SmartClient(client_medium)
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path = client.remote_path_from_transport(transport)
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response = client.call('BzrDirFormat.initialize', path)
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except errors.ErrorFromSmartServer, err:
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_translate_error(err, path=path)
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if response[0] != 'ok':
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raise errors.SmartProtocolError('unexpected response code %s' % (response,))
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format = RemoteBzrDirFormat()
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self._supply_sub_formats_to(format)
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return RemoteBzrDir(transport, format)
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def parse_NoneTrueFalse(self, arg):
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raise AssertionError("invalid arg %r" % arg)
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def _serialize_NoneTrueFalse(self, arg):
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def _serialize_NoneString(self, arg):
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def initialize_on_transport_ex(self, transport, use_existing_dir=False,
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create_prefix=False, force_new_repo=False, stacked_on=None,
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stack_on_pwd=None, repo_format_name=None, make_working_trees=None,
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# hand off the request to the smart server
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client_medium = transport.get_smart_medium()
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except errors.NoSmartMedium:
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# Decline to open it if the server doesn't support our required
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# version (3) so that the VFS-based transport will do it.
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if client_medium.should_probe():
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server_version = client_medium.protocol_version()
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if server_version != '2':
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except errors.SmartProtocolError:
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# Apparently there's no usable smart server there, even though
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# the medium supports the smart protocol.
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client = _SmartClient(client_medium)
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path = client.remote_path_from_transport(transport)
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if client_medium._is_remote_before((1, 16)):
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# TODO: lookup the local format from a server hint.
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local_dir_format = _mod_bzrdir.BzrDirMetaFormat1()
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self._supply_sub_formats_to(local_dir_format)
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return local_dir_format.initialize_on_transport_ex(transport,
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use_existing_dir=use_existing_dir, create_prefix=create_prefix,
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force_new_repo=force_new_repo, stacked_on=stacked_on,
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stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
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make_working_trees=make_working_trees, shared_repo=shared_repo,
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return self._initialize_on_transport_ex_rpc(client, path, transport,
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use_existing_dir, create_prefix, force_new_repo, stacked_on,
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stack_on_pwd, repo_format_name, make_working_trees, shared_repo)
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def _initialize_on_transport_ex_rpc(self, client, path, transport,
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use_existing_dir, create_prefix, force_new_repo, stacked_on,
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stack_on_pwd, repo_format_name, make_working_trees, shared_repo):
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args.append(self._serialize_NoneTrueFalse(use_existing_dir))
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args.append(self._serialize_NoneTrueFalse(create_prefix))
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args.append(self._serialize_NoneTrueFalse(force_new_repo))
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args.append(self._serialize_NoneString(stacked_on))
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# stack_on_pwd is often/usually our transport
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stack_on_pwd = transport.relpath(stack_on_pwd)
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except errors.PathNotChild:
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args.append(self._serialize_NoneString(stack_on_pwd))
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args.append(self._serialize_NoneString(repo_format_name))
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args.append(self._serialize_NoneTrueFalse(make_working_trees))
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args.append(self._serialize_NoneTrueFalse(shared_repo))
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request_network_name = self._network_name or \
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_mod_bzrdir.BzrDirFormat.get_default_format().network_name()
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response = client.call('BzrDirFormat.initialize_ex_1.16',
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request_network_name, path, *args)
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except errors.UnknownSmartMethod:
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client._medium._remember_remote_is_before((1,16))
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local_dir_format = _mod_bzrdir.BzrDirMetaFormat1()
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self._supply_sub_formats_to(local_dir_format)
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return local_dir_format.initialize_on_transport_ex(transport,
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use_existing_dir=use_existing_dir, create_prefix=create_prefix,
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force_new_repo=force_new_repo, stacked_on=stacked_on,
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stack_on_pwd=stack_on_pwd, repo_format_name=repo_format_name,
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make_working_trees=make_working_trees, shared_repo=shared_repo,
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except errors.ErrorFromSmartServer, err:
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_translate_error(err, path=path)
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repo_path = response[0]
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bzrdir_name = response[6]
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require_stacking = response[7]
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require_stacking = self.parse_NoneTrueFalse(require_stacking)
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format = RemoteBzrDirFormat()
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format._network_name = bzrdir_name
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self._supply_sub_formats_to(format)
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bzrdir = RemoteBzrDir(transport, format, _client=client)
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repo_format = response_tuple_to_repo_format(response[1:])
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repo_bzrdir_format = RemoteBzrDirFormat()
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repo_bzrdir_format._network_name = response[5]
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repo_bzr = RemoteBzrDir(transport.clone(repo_path),
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final_stack = response[8] or None
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final_stack_pwd = response[9] or None
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final_stack_pwd = urlutils.join(
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transport.base, final_stack_pwd)
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remote_repo = RemoteRepository(repo_bzr, repo_format)
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if len(response) > 10:
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# Updated server verb that locks remotely.
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repo_lock_token = response[10] or None
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remote_repo.lock_write(repo_lock_token, _skip_rpc=True)
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remote_repo.dont_leave_lock_in_place()
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remote_repo.lock_write()
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policy = _mod_bzrdir.UseExistingRepository(remote_repo, final_stack,
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final_stack_pwd, require_stacking)
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policy.acquire_repository()
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bzrdir._format.set_branch_format(self.get_branch_format())
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# The repo has already been created, but we need to make sure that
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# we'll make a stackable branch.
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bzrdir._format.require_stacking(_skip_repo=True)
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return remote_repo, bzrdir, require_stacking, policy
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def _open(self, transport):
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return RemoteBzrDir(transport, self)
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def __eq__(self, other):
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if not isinstance(other, RemoteBzrDirFormat):
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return self.get_format_description() == other.get_format_description()
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def __return_repository_format(self):
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# Always return a RemoteRepositoryFormat object, but if a specific bzr
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# repository format has been asked for, tell the RemoteRepositoryFormat
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# that it should use that for init() etc.
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result = RemoteRepositoryFormat()
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custom_format = getattr(self, '_repository_format', None)
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if isinstance(custom_format, RemoteRepositoryFormat):
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# We will use the custom format to create repositories over the
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# wire; expose its details like rich_root_data for code to
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result._custom_format = custom_format
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def get_branch_format(self):
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result = _mod_bzrdir.BzrDirMetaFormat1.get_branch_format(self)
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if not isinstance(result, RemoteBranchFormat):
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new_result = RemoteBranchFormat()
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new_result._custom_format = result
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self.set_branch_format(new_result)
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repository_format = property(__return_repository_format,
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_mod_bzrdir.BzrDirMetaFormat1._set_repository_format) #.im_func)
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class RemoteControlStore(_mod_config.IniFileStore):
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"""Control store which attempts to use HPSS calls to retrieve control store.
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Note that this is specific to bzr-based formats.
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def __init__(self, bzrdir):
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super(RemoteControlStore, self).__init__()
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self._real_store = None
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def lock_write(self, token=None):
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return self._real_store.lock_write(token)
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return self._real_store.unlock()
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# We need to be able to override the undecorated implementation
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self.save_without_locking()
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def save_without_locking(self):
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super(RemoteControlStore, self).save()
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def _ensure_real(self):
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self.bzrdir._ensure_real()
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if self._real_store is None:
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self._real_store = _mod_config.ControlStore(self.bzrdir)
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def external_url(self):
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return urlutils.join(self.branch.user_url, 'control.conf')
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def _load_content(self):
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medium = self.bzrdir._client._medium
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path = self.bzrdir._path_for_remote_call(self.bzrdir._client)
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response, handler = self.bzrdir._call_expecting_body(
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'BzrDir.get_config_file', path)
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except errors.UnknownSmartMethod:
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return self._real_store._load_content()
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if len(response) and response[0] != 'ok':
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raise errors.UnexpectedSmartServerResponse(response)
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return handler.read_body_bytes()
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def _save_content(self, content):
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# FIXME JRV 2011-11-22: Ideally this should use a
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# HPSS call too, but at the moment it is not possible
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# to write lock control directories.
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return self._real_store._save_content(content)
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class RemoteBzrDir(_mod_bzrdir.BzrDir, _RpcHelper):
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from bzrlib.trace import mutter, note, warning
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# Note: RemoteBzrDirFormat is in bzrdir.py
50
class RemoteBzrDir(BzrDir):
411
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"""Control directory on a remote server, accessed via bzr:// or similar."""
413
def __init__(self, transport, format, _client=None, _force_probe=False):
53
def __init__(self, transport, _client=None):
414
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"""Construct a RemoteBzrDir.
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:param _client: Private parameter for testing. Disables probing and the
417
57
use of a real bzrdir.
419
_mod_bzrdir.BzrDir.__init__(self, transport, format)
59
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
422
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self._real_bzrdir = None
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self._has_working_tree = None
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# 1-shot cache for the call pattern 'create_branch; open_branch' - see
425
# create_branch for details.
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self._next_open_branch_result = None
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if _client is None:
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medium = transport.get_smart_medium()
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self._client = client._SmartClient(medium)
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self._shared_medium = transport.get_shared_medium()
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self._client = client._SmartClient(self._shared_medium)
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self._client = _client
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return '%s(%r)' % (self.__class__.__name__, self._client)
441
def _probe_bzrdir(self):
442
medium = self._client._medium
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self._shared_medium = None
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path = self._path_for_remote_call(self._client)
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if medium._is_remote_before((2, 1)):
448
self._rpc_open_2_1(path)
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except errors.UnknownSmartMethod:
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medium._remember_remote_is_before((2, 1))
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def _rpc_open_2_1(self, path):
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response = self._call('BzrDir.open_2.1', path)
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if response == ('no',):
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raise errors.NotBranchError(path=self.root_transport.base)
458
elif response[0] == 'yes':
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if response[1] == 'yes':
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self._has_working_tree = True
461
elif response[1] == 'no':
462
self._has_working_tree = False
464
raise errors.UnexpectedSmartServerResponse(response)
466
raise errors.UnexpectedSmartServerResponse(response)
468
def _rpc_open(self, path):
469
response = self._call('BzrDir.open', path)
73
response = self._client.call('BzrDir.open', path)
470
74
if response not in [('yes',), ('no',)]:
471
75
raise errors.UnexpectedSmartServerResponse(response)
472
76
if response == ('no',):
473
raise errors.NotBranchError(path=self.root_transport.base)
77
raise errors.NotBranchError(path=transport.base)
475
79
def _ensure_real(self):
476
80
"""Ensure that there is a _real_bzrdir set.
478
82
Used before calls to self._real_bzrdir.
480
84
if not self._real_bzrdir:
481
if 'hpssvfs' in debug.debug_flags:
483
warning('VFS BzrDir access triggered\n%s',
484
''.join(traceback.format_stack()))
485
self._real_bzrdir = _mod_bzrdir.BzrDir.open_from_transport(
486
self.root_transport, probers=[_mod_bzrdir.BzrProber])
487
self._format._network_name = \
488
self._real_bzrdir._format.network_name()
490
def _translate_error(self, err, **context):
491
_translate_error(err, bzrdir=self, **context)
493
def break_lock(self):
494
# Prevent aliasing problems in the next_open_branch_result cache.
495
# See create_branch for rationale.
496
self._next_open_branch_result = None
497
return _mod_bzrdir.BzrDir.break_lock(self)
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def _vfs_checkout_metadir(self):
501
return self._real_bzrdir.checkout_metadir()
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def checkout_metadir(self):
504
"""Retrieve the controldir format to use for checkouts of this one.
506
medium = self._client._medium
507
if medium._is_remote_before((2, 5)):
508
return self._vfs_checkout_metadir()
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path = self._path_for_remote_call(self._client)
511
response = self._client.call('BzrDir.checkout_metadir',
513
except errors.UnknownSmartMethod:
514
medium._remember_remote_is_before((2, 5))
515
return self._vfs_checkout_metadir()
516
if len(response) != 3:
517
raise errors.UnexpectedSmartServerResponse(response)
518
control_name, repo_name, branch_name = response
520
format = controldir.network_format_registry.get(control_name)
522
raise errors.UnknownFormatError(kind='control',
526
repo_format = _mod_repository.network_format_registry.get(
529
raise errors.UnknownFormatError(kind='repository',
531
format.repository_format = repo_format
534
format.set_branch_format(
535
branch.network_format_registry.get(branch_name))
537
raise errors.UnknownFormatError(kind='branch',
541
def _vfs_cloning_metadir(self, require_stacking=False):
543
return self._real_bzrdir.cloning_metadir(
544
require_stacking=require_stacking)
546
def cloning_metadir(self, require_stacking=False):
547
medium = self._client._medium
548
if medium._is_remote_before((1, 13)):
549
return self._vfs_cloning_metadir(require_stacking=require_stacking)
550
verb = 'BzrDir.cloning_metadir'
555
path = self._path_for_remote_call(self._client)
557
response = self._call(verb, path, stacking)
558
except errors.UnknownSmartMethod:
559
medium._remember_remote_is_before((1, 13))
560
return self._vfs_cloning_metadir(require_stacking=require_stacking)
561
except errors.UnknownErrorFromSmartServer, err:
562
if err.error_tuple != ('BranchReference',):
564
# We need to resolve the branch reference to determine the
565
# cloning_metadir. This causes unnecessary RPCs to open the
566
# referenced branch (and bzrdir, etc) but only when the caller
567
# didn't already resolve the branch reference.
568
referenced_branch = self.open_branch()
569
return referenced_branch.bzrdir.cloning_metadir()
570
if len(response) != 3:
571
raise errors.UnexpectedSmartServerResponse(response)
572
control_name, repo_name, branch_info = response
573
if len(branch_info) != 2:
574
raise errors.UnexpectedSmartServerResponse(response)
575
branch_ref, branch_name = branch_info
577
format = controldir.network_format_registry.get(control_name)
579
raise errors.UnknownFormatError(kind='control', format=control_name)
583
format.repository_format = _mod_repository.network_format_registry.get(
586
raise errors.UnknownFormatError(kind='repository',
588
if branch_ref == 'ref':
589
# XXX: we need possible_transports here to avoid reopening the
590
# connection to the referenced location
591
ref_bzrdir = _mod_bzrdir.BzrDir.open(branch_name)
592
branch_format = ref_bzrdir.cloning_metadir().get_branch_format()
593
format.set_branch_format(branch_format)
594
elif branch_ref == 'branch':
597
branch_format = branch.network_format_registry.get(
600
raise errors.UnknownFormatError(kind='branch',
602
format.set_branch_format(branch_format)
604
raise errors.UnexpectedSmartServerResponse(response)
85
self._real_bzrdir = BzrDir.open_from_transport(
86
self.root_transport, _server_formats=False)
607
88
def create_repository(self, shared=False):
608
# as per meta1 formats - just delegate to the format object which may
610
result = self._format.repository_format.initialize(self, shared)
611
if not isinstance(result, RemoteRepository):
612
return self.open_repository()
90
self._real_bzrdir.create_repository(shared=shared)
91
return self.open_repository()
616
93
def destroy_repository(self):
617
94
"""See BzrDir.destroy_repository"""
618
path = self._path_for_remote_call(self._client)
620
response = self._call('BzrDir.destroy_repository', path)
621
except errors.UnknownSmartMethod:
623
self._real_bzrdir.destroy_repository()
625
if response[0] != 'ok':
626
raise SmartProtocolError('unexpected response code %s' % (response,))
628
def create_branch(self, name=None, repository=None,
629
append_revisions_only=None):
631
name = self._get_selected_branch()
633
raise errors.NoColocatedBranchSupport(self)
634
# as per meta1 formats - just delegate to the format object which may
636
real_branch = self._format.get_branch_format().initialize(self,
637
name=name, repository=repository,
638
append_revisions_only=append_revisions_only)
639
if not isinstance(real_branch, RemoteBranch):
640
if not isinstance(repository, RemoteRepository):
641
raise AssertionError(
642
'need a RemoteRepository to use with RemoteBranch, got %r'
644
result = RemoteBranch(self, repository, real_branch, name=name)
647
# BzrDir.clone_on_transport() uses the result of create_branch but does
648
# not return it to its callers; we save approximately 8% of our round
649
# trips by handing the branch we created back to the first caller to
650
# open_branch rather than probing anew. Long term we need a API in
651
# bzrdir that doesn't discard result objects (like result_branch).
653
self._next_open_branch_result = result
656
def destroy_branch(self, name=None):
96
self._real_bzrdir.destroy_repository()
98
def create_branch(self):
100
real_branch = self._real_bzrdir.create_branch()
101
return RemoteBranch(self, self.find_repository(), real_branch)
103
def destroy_branch(self):
657
104
"""See BzrDir.destroy_branch"""
659
name = self._get_selected_branch()
661
raise errors.NoColocatedBranchSupport(self)
662
path = self._path_for_remote_call(self._client)
668
response = self._call('BzrDir.destroy_branch', path, *args)
669
except errors.UnknownSmartMethod:
671
self._real_bzrdir.destroy_branch(name=name)
672
self._next_open_branch_result = None
674
self._next_open_branch_result = None
675
if response[0] != 'ok':
676
raise SmartProtocolError('unexpected response code %s' % (response,))
106
self._real_bzrdir.destroy_branch()
678
def create_workingtree(self, revision_id=None, from_branch=None,
679
accelerator_tree=None, hardlink=False):
108
def create_workingtree(self, revision_id=None, from_branch=None):
680
109
raise errors.NotLocalUrl(self.transport.base)
682
def find_branch_format(self, name=None):
111
def find_branch_format(self):
683
112
"""Find the branch 'format' for this bzrdir.
685
114
This might be a synthetic object for e.g. RemoteBranch and SVN.
687
b = self.open_branch(name=name)
116
b = self.open_branch()
690
def get_branches(self, possible_transports=None, ignore_fallbacks=False):
691
path = self._path_for_remote_call(self._client)
693
response, handler = self._call_expecting_body(
694
'BzrDir.get_branches', path)
695
except errors.UnknownSmartMethod:
697
return self._real_bzrdir.get_branches()
698
if response[0] != "success":
699
raise errors.UnexpectedSmartServerResponse(response)
700
body = bencode.bdecode(handler.read_body_bytes())
702
for (name, value) in body.iteritems():
703
ret[name] = self._open_branch(name, value[0], value[1],
704
possible_transports=possible_transports,
705
ignore_fallbacks=ignore_fallbacks)
708
def set_branch_reference(self, target_branch, name=None):
709
"""See BzrDir.set_branch_reference()."""
711
name = self._get_selected_branch()
713
raise errors.NoColocatedBranchSupport(self)
715
return self._real_bzrdir.set_branch_reference(target_branch, name=name)
717
def get_branch_reference(self, name=None):
119
def get_branch_reference(self):
718
120
"""See BzrDir.get_branch_reference()."""
720
name = self._get_selected_branch()
722
raise errors.NoColocatedBranchSupport(self)
723
response = self._get_branch_reference()
724
if response[0] == 'ref':
121
path = self._path_for_remote_call(self._client)
122
response = self._client.call('BzrDir.open_branch', path)
123
if response[0] == 'ok':
124
if response[1] == '':
125
# branch at this location.
128
# a branch reference, use the existing BranchReference logic.
130
elif response == ('nobranch',):
131
raise errors.NotBranchError(path=self.root_transport.base)
729
def _get_branch_reference(self):
730
path = self._path_for_remote_call(self._client)
731
medium = self._client._medium
733
('BzrDir.open_branchV3', (2, 1)),
734
('BzrDir.open_branchV2', (1, 13)),
735
('BzrDir.open_branch', None),
737
for verb, required_version in candidate_calls:
738
if required_version and medium._is_remote_before(required_version):
741
response = self._call(verb, path)
742
except errors.UnknownSmartMethod:
743
if required_version is None:
745
medium._remember_remote_is_before(required_version)
748
if verb == 'BzrDir.open_branch':
749
if response[0] != 'ok':
750
raise errors.UnexpectedSmartServerResponse(response)
751
if response[1] != '':
752
return ('ref', response[1])
754
return ('branch', '')
755
if response[0] not in ('ref', 'branch'):
756
133
raise errors.UnexpectedSmartServerResponse(response)
759
def _get_tree_branch(self, name=None):
135
def _get_tree_branch(self):
760
136
"""See BzrDir._get_tree_branch()."""
761
return None, self.open_branch(name=name)
137
return None, self.open_branch()
763
def _open_branch(self, name, kind, location_or_format,
764
ignore_fallbacks=False, possible_transports=None):
139
def open_branch(self, _unsupported=False):
140
assert _unsupported == False, 'unsupported flag support not implemented yet.'
141
reference_url = self.get_branch_reference()
142
if reference_url is None:
143
# branch at this location.
144
return RemoteBranch(self, self.find_repository())
766
146
# a branch reference, use the existing BranchReference logic.
767
147
format = BranchReferenceFormat()
768
return format.open(self, name=name, _found=True,
769
location=location_or_format, ignore_fallbacks=ignore_fallbacks,
770
possible_transports=possible_transports)
771
branch_format_name = location_or_format
772
if not branch_format_name:
773
branch_format_name = None
774
format = RemoteBranchFormat(network_name=branch_format_name)
775
return RemoteBranch(self, self.find_repository(), format=format,
776
setup_stacking=not ignore_fallbacks, name=name,
777
possible_transports=possible_transports)
779
def open_branch(self, name=None, unsupported=False,
780
ignore_fallbacks=False, possible_transports=None):
782
name = self._get_selected_branch()
784
raise errors.NoColocatedBranchSupport(self)
786
raise NotImplementedError('unsupported flag support not implemented yet.')
787
if self._next_open_branch_result is not None:
788
# See create_branch for details.
789
result = self._next_open_branch_result
790
self._next_open_branch_result = None
792
response = self._get_branch_reference()
793
return self._open_branch(name, response[0], response[1],
794
possible_transports=possible_transports,
795
ignore_fallbacks=ignore_fallbacks)
797
def _open_repo_v1(self, path):
798
verb = 'BzrDir.find_repository'
799
response = self._call(verb, path)
800
if response[0] != 'ok':
801
raise errors.UnexpectedSmartServerResponse(response)
802
# servers that only support the v1 method don't support external
805
repo = self._real_bzrdir.open_repository()
806
response = response + ('no', repo._format.network_name())
807
return response, repo
809
def _open_repo_v2(self, path):
148
return format.open(self, _found=True, location=reference_url)
150
def open_repository(self):
151
path = self._path_for_remote_call(self._client)
810
152
verb = 'BzrDir.find_repositoryV2'
811
response = self._call(verb, path)
812
if response[0] != 'ok':
813
raise errors.UnexpectedSmartServerResponse(response)
815
repo = self._real_bzrdir.open_repository()
816
response = response + (repo._format.network_name(),)
817
return response, repo
819
def _open_repo_v3(self, path):
820
verb = 'BzrDir.find_repositoryV3'
821
medium = self._client._medium
822
if medium._is_remote_before((1, 13)):
823
raise errors.UnknownSmartMethod(verb)
825
response = self._call(verb, path)
826
except errors.UnknownSmartMethod:
827
medium._remember_remote_is_before((1, 13))
829
if response[0] != 'ok':
830
raise errors.UnexpectedSmartServerResponse(response)
831
return response, None
833
def open_repository(self):
834
path = self._path_for_remote_call(self._client)
836
for probe in [self._open_repo_v3, self._open_repo_v2,
839
response, real_repo = probe(path)
841
except errors.UnknownSmartMethod:
844
raise errors.UnknownSmartMethod('BzrDir.find_repository{3,2,}')
845
if response[0] != 'ok':
846
raise errors.UnexpectedSmartServerResponse(response)
847
if len(response) != 6:
848
raise SmartProtocolError('incorrect response length %s' % (response,))
153
response = self._client.call(verb, path)
154
if (response == ('error', "Generic bzr smart protocol error: "
155
"bad request '%s'" % verb) or
156
response == ('error', "Generic bzr smart protocol error: "
157
"bad request u'%s'" % verb)):
158
verb = 'BzrDir.find_repository'
159
response = self._client.call(verb, path)
160
assert response[0] in ('ok', 'norepository'), \
161
'unexpected response code %s' % (response,)
162
if response[0] == 'norepository':
163
raise errors.NoRepositoryPresent(self)
164
if verb == 'BzrDir.find_repository':
165
# servers that don't support the V2 method don't support external
167
response = response + ('no', )
168
assert len(response) == 5, 'incorrect response length %s' % (response,)
849
169
if response[1] == '':
850
# repo is at this dir.
851
format = response_tuple_to_repo_format(response[2:])
852
# Used to support creating a real format instance when needed.
853
format._creating_bzrdir = self
854
remote_repo = RemoteRepository(self, format)
855
format._creating_repo = remote_repo
856
if real_repo is not None:
857
remote_repo._set_real_repository(real_repo)
170
format = RemoteRepositoryFormat()
171
format.rich_root_data = (response[2] == 'yes')
172
format.supports_tree_reference = (response[3] == 'yes')
173
# No wire format to check this yet.
174
format.supports_external_lookups = (response[4] == 'yes')
175
return RemoteRepository(self, format)
860
177
raise errors.NoRepositoryPresent(self)
862
def has_workingtree(self):
863
if self._has_working_tree is None:
864
path = self._path_for_remote_call(self._client)
866
response = self._call('BzrDir.has_workingtree', path)
867
except errors.UnknownSmartMethod:
869
self._has_working_tree = self._real_bzrdir.has_workingtree()
871
if response[0] not in ('yes', 'no'):
872
raise SmartProtocolError('unexpected response code %s' % (response,))
873
self._has_working_tree = (response[0] == 'yes')
874
return self._has_working_tree
876
179
def open_workingtree(self, recommend_upgrade=True):
877
if self.has_workingtree():
181
if self._real_bzrdir.has_workingtree():
878
182
raise errors.NotLocalUrl(self.root_transport)
880
184
raise errors.NoWorkingTree(self.root_transport.base)
882
186
def _path_for_remote_call(self, client):
883
187
"""Return the path to be used for this bzrdir in a remote call."""
884
return urlutils.split_segment_parameters_raw(
885
client.remote_path_from_transport(self.root_transport))[0]
188
return client.remote_path_from_transport(self.root_transport)
887
def get_branch_transport(self, branch_format, name=None):
190
def get_branch_transport(self, branch_format):
888
191
self._ensure_real()
889
return self._real_bzrdir.get_branch_transport(branch_format, name=name)
192
return self._real_bzrdir.get_branch_transport(branch_format)
891
194
def get_repository_transport(self, repository_format):
892
195
self._ensure_real()
922
224
the attributes rich_root_data and supports_tree_reference are set
923
225
on a per instance basis, and are not set (and should not be) at
926
:ivar _custom_format: If set, a specific concrete repository format that
927
will be used when initializing a repository with this
928
RemoteRepositoryFormat.
929
:ivar _creating_repo: If set, the repository object that this
930
RemoteRepositoryFormat was created for: it can be called into
931
to obtain data like the network name.
934
_matchingbzrdir = RemoteBzrDirFormat()
935
supports_full_versioned_files = True
936
supports_leaving_lock = True
939
_mod_repository.RepositoryFormat.__init__(self)
940
self._custom_format = None
941
self._network_name = None
942
self._creating_bzrdir = None
943
self._revision_graph_can_have_wrong_parents = None
944
self._supports_chks = None
945
self._supports_external_lookups = None
946
self._supports_tree_reference = None
947
self._supports_funky_characters = None
948
self._supports_nesting_repositories = None
949
self._rich_root_data = None
952
return "%s(_network_name=%r)" % (self.__class__.__name__,
956
def fast_deltas(self):
958
return self._custom_format.fast_deltas
961
def rich_root_data(self):
962
if self._rich_root_data is None:
964
self._rich_root_data = self._custom_format.rich_root_data
965
return self._rich_root_data
968
def supports_chks(self):
969
if self._supports_chks is None:
971
self._supports_chks = self._custom_format.supports_chks
972
return self._supports_chks
975
def supports_external_lookups(self):
976
if self._supports_external_lookups is None:
978
self._supports_external_lookups = \
979
self._custom_format.supports_external_lookups
980
return self._supports_external_lookups
983
def supports_funky_characters(self):
984
if self._supports_funky_characters is None:
986
self._supports_funky_characters = \
987
self._custom_format.supports_funky_characters
988
return self._supports_funky_characters
991
def supports_nesting_repositories(self):
992
if self._supports_nesting_repositories is None:
994
self._supports_nesting_repositories = \
995
self._custom_format.supports_nesting_repositories
996
return self._supports_nesting_repositories
999
def supports_tree_reference(self):
1000
if self._supports_tree_reference is None:
1002
self._supports_tree_reference = \
1003
self._custom_format.supports_tree_reference
1004
return self._supports_tree_reference
1007
def revision_graph_can_have_wrong_parents(self):
1008
if self._revision_graph_can_have_wrong_parents is None:
1010
self._revision_graph_can_have_wrong_parents = \
1011
self._custom_format.revision_graph_can_have_wrong_parents
1012
return self._revision_graph_can_have_wrong_parents
1014
def _vfs_initialize(self, a_bzrdir, shared):
1015
"""Helper for common code in initialize."""
1016
if self._custom_format:
1017
# Custom format requested
1018
result = self._custom_format.initialize(a_bzrdir, shared=shared)
1019
elif self._creating_bzrdir is not None:
1020
# Use the format that the repository we were created to back
1022
prior_repo = self._creating_bzrdir.open_repository()
1023
prior_repo._ensure_real()
1024
result = prior_repo._real_repository._format.initialize(
1025
a_bzrdir, shared=shared)
1027
# assume that a_bzr is a RemoteBzrDir but the smart server didn't
1028
# support remote initialization.
1029
# We delegate to a real object at this point (as RemoteBzrDir
1030
# delegate to the repository format which would lead to infinite
1031
# recursion if we just called a_bzrdir.create_repository.
1032
a_bzrdir._ensure_real()
1033
result = a_bzrdir._real_bzrdir.create_repository(shared=shared)
1034
if not isinstance(result, RemoteRepository):
1035
return self.open(a_bzrdir)
229
_matchingbzrdir = RemoteBzrDirFormat
1039
231
def initialize(self, a_bzrdir, shared=False):
1040
# Being asked to create on a non RemoteBzrDir:
1041
if not isinstance(a_bzrdir, RemoteBzrDir):
1042
return self._vfs_initialize(a_bzrdir, shared)
1043
medium = a_bzrdir._client._medium
1044
if medium._is_remote_before((1, 13)):
1045
return self._vfs_initialize(a_bzrdir, shared)
1046
# Creating on a remote bzr dir.
1047
# 1) get the network name to use.
1048
if self._custom_format:
1049
network_name = self._custom_format.network_name()
1050
elif self._network_name:
1051
network_name = self._network_name
1053
# Select the current bzrlib default and ask for that.
1054
reference_bzrdir_format = controldir.format_registry.get('default')()
1055
reference_format = reference_bzrdir_format.repository_format
1056
network_name = reference_format.network_name()
1057
# 2) try direct creation via RPC
1058
path = a_bzrdir._path_for_remote_call(a_bzrdir._client)
1059
verb = 'BzrDir.create_repository'
1063
shared_str = 'False'
1065
response = a_bzrdir._call(verb, path, network_name, shared_str)
1066
except errors.UnknownSmartMethod:
1067
# Fallback - use vfs methods
1068
medium._remember_remote_is_before((1, 13))
1069
return self._vfs_initialize(a_bzrdir, shared)
1071
# Turn the response into a RemoteRepository object.
1072
format = response_tuple_to_repo_format(response[1:])
1073
# Used to support creating a real format instance when needed.
1074
format._creating_bzrdir = a_bzrdir
1075
remote_repo = RemoteRepository(a_bzrdir, format)
1076
format._creating_repo = remote_repo
232
assert isinstance(a_bzrdir, RemoteBzrDir), \
233
'%r is not a RemoteBzrDir' % (a_bzrdir,)
234
return a_bzrdir.create_repository(shared=shared)
1079
236
def open(self, a_bzrdir):
1080
if not isinstance(a_bzrdir, RemoteBzrDir):
1081
raise AssertionError('%r is not a RemoteBzrDir' % (a_bzrdir,))
237
assert isinstance(a_bzrdir, RemoteBzrDir)
1082
238
return a_bzrdir.open_repository()
1084
def _ensure_real(self):
1085
if self._custom_format is None:
1087
self._custom_format = _mod_repository.network_format_registry.get(
1090
raise errors.UnknownFormatError(kind='repository',
1091
format=self._network_name)
1094
def _fetch_order(self):
1096
return self._custom_format._fetch_order
1099
def _fetch_uses_deltas(self):
1101
return self._custom_format._fetch_uses_deltas
1104
def _fetch_reconcile(self):
1106
return self._custom_format._fetch_reconcile
1108
240
def get_format_description(self):
1110
return 'Remote: ' + self._custom_format.get_format_description()
241
return 'bzr remote repository'
1112
243
def __eq__(self, other):
1113
return self.__class__ is other.__class__
1115
def network_name(self):
1116
if self._network_name:
1117
return self._network_name
1118
self._creating_repo._ensure_real()
1119
return self._creating_repo._real_repository._format.network_name()
1122
def pack_compresses(self):
1124
return self._custom_format.pack_compresses
1127
def _serializer(self):
1129
return self._custom_format._serializer
1132
class RemoteRepository(_mod_repository.Repository, _RpcHelper,
1133
lock._RelockDebugMixin):
244
return self.__class__ == other.__class__
246
def check_conversion_target(self, target_format):
247
if self.rich_root_data and not target_format.rich_root_data:
248
raise errors.BadConversionTarget(
249
'Does not support rich root data.', target_format)
250
if (self.supports_tree_reference and
251
not getattr(target_format, 'supports_tree_reference', False)):
252
raise errors.BadConversionTarget(
253
'Does not support nested trees', target_format)
256
class RemoteRepository(object):
1134
257
"""Repository accessed over rpc.
1136
259
For the moment most operations are performed using local transport-backed
1177
298
self._reconcile_fixes_text_parents = False
1178
299
self._reconcile_backsup_inventory = False
1179
300
self.base = self.bzrdir.transport.base
1180
# Additional places to query for data.
1181
self._fallback_repositories = []
1184
def user_transport(self):
1185
return self.bzrdir.user_transport
1188
def control_transport(self):
1189
# XXX: Normally you shouldn't directly get at the remote repository
1190
# transport, but I'm not sure it's worth making this method
1191
# optional -- mbp 2010-04-21
1192
return self.bzrdir.get_repository_transport(None)
1194
302
def __str__(self):
1195
303
return "%s(%s)" % (self.__class__.__name__, self.base)
1197
305
__repr__ = __str__
1199
def abort_write_group(self, suppress_errors=False):
307
def abort_write_group(self):
1200
308
"""Complete a write group on the decorated repository.
1202
Smart methods perform operations in a single step so this API
310
Smart methods peform operations in a single step so this api
1203
311
is not really applicable except as a compatibility thunk
1204
312
for older plugins that don't use e.g. the CommitBuilder
1207
:param suppress_errors: see Repository.abort_write_group.
1209
if self._real_repository:
1211
return self._real_repository.abort_write_group(
1212
suppress_errors=suppress_errors)
1213
if not self.is_in_write_group():
1215
mutter('(suppressed) not in write group')
1217
raise errors.BzrError("not in write group")
1218
path = self.bzrdir._path_for_remote_call(self._client)
1220
response = self._call('Repository.abort_write_group', path,
1221
self._lock_token, self._write_group_tokens)
1222
except Exception, exc:
1223
self._write_group = None
1224
if not suppress_errors:
1226
mutter('abort_write_group failed')
1227
log_exception_quietly()
1228
note(gettext('bzr: ERROR (ignored): %s'), exc)
1230
if response != ('ok', ):
1231
raise errors.UnexpectedSmartServerResponse(response)
1232
self._write_group_tokens = None
1235
def chk_bytes(self):
1236
"""Decorate the real repository for now.
1238
In the long term a full blown network facility is needed to avoid
1239
creating a real repository object locally.
1241
315
self._ensure_real()
1242
return self._real_repository.chk_bytes
316
return self._real_repository.abort_write_group()
1244
318
def commit_write_group(self):
1245
319
"""Complete a write group on the decorated repository.
1247
Smart methods perform operations in a single step so this API
321
Smart methods peform operations in a single step so this api
1248
322
is not really applicable except as a compatibility thunk
1249
323
for older plugins that don't use e.g. the CommitBuilder
1252
if self._real_repository:
1254
return self._real_repository.commit_write_group()
1255
if not self.is_in_write_group():
1256
raise errors.BzrError("not in write group")
1257
path = self.bzrdir._path_for_remote_call(self._client)
1258
response = self._call('Repository.commit_write_group', path,
1259
self._lock_token, self._write_group_tokens)
1260
if response != ('ok', ):
1261
raise errors.UnexpectedSmartServerResponse(response)
1262
self._write_group_tokens = None
1263
# Refresh data after writing to the repository.
1266
def resume_write_group(self, tokens):
1267
if self._real_repository:
1268
return self._real_repository.resume_write_group(tokens)
1269
path = self.bzrdir._path_for_remote_call(self._client)
1271
response = self._call('Repository.check_write_group', path,
1272
self._lock_token, tokens)
1273
except errors.UnknownSmartMethod:
1275
return self._real_repository.resume_write_group(tokens)
1276
if response != ('ok', ):
1277
raise errors.UnexpectedSmartServerResponse(response)
1278
self._write_group_tokens = tokens
1280
def suspend_write_group(self):
1281
if self._real_repository:
1282
return self._real_repository.suspend_write_group()
1283
ret = self._write_group_tokens or []
1284
self._write_group_tokens = None
1287
def get_missing_parent_inventories(self, check_for_missing_texts=True):
1289
return self._real_repository.get_missing_parent_inventories(
1290
check_for_missing_texts=check_for_missing_texts)
1292
def _get_rev_id_for_revno_vfs(self, revno, known_pair):
1294
return self._real_repository.get_rev_id_for_revno(
1297
def get_rev_id_for_revno(self, revno, known_pair):
1298
"""See Repository.get_rev_id_for_revno."""
1299
path = self.bzrdir._path_for_remote_call(self._client)
1301
if self._client._medium._is_remote_before((1, 17)):
1302
return self._get_rev_id_for_revno_vfs(revno, known_pair)
1303
response = self._call(
1304
'Repository.get_rev_id_for_revno', path, revno, known_pair)
1305
except errors.UnknownSmartMethod:
1306
self._client._medium._remember_remote_is_before((1, 17))
1307
return self._get_rev_id_for_revno_vfs(revno, known_pair)
1308
if response[0] == 'ok':
1309
return True, response[1]
1310
elif response[0] == 'history-incomplete':
1311
known_pair = response[1:3]
1312
for fallback in self._fallback_repositories:
1313
found, result = fallback.get_rev_id_for_revno(revno, known_pair)
1318
# Not found in any fallbacks
1319
return False, known_pair
1321
raise errors.UnexpectedSmartServerResponse(response)
327
return self._real_repository.commit_write_group()
1323
329
def _ensure_real(self):
1324
330
"""Ensure that there is a _real_repository set.
1326
332
Used before calls to self._real_repository.
1328
Note that _ensure_real causes many roundtrips to the server which are
1329
not desirable, and prevents the use of smart one-roundtrip RPC's to
1330
perform complex operations (such as accessing parent data, streaming
1331
revisions etc). Adding calls to _ensure_real should only be done when
1332
bringing up new functionality, adding fallbacks for smart methods that
1333
require a fallback path, and never to replace an existing smart method
1334
invocation. If in doubt chat to the bzr network team.
1336
if self._real_repository is None:
1337
if 'hpssvfs' in debug.debug_flags:
1339
warning('VFS Repository access triggered\n%s',
1340
''.join(traceback.format_stack()))
1341
self._unstacked_provider.missing_keys.clear()
334
if not self._real_repository:
1342
335
self.bzrdir._ensure_real()
1343
self._set_real_repository(
1344
self.bzrdir._real_bzrdir.open_repository())
1346
def _translate_error(self, err, **context):
1347
self.bzrdir._translate_error(err, repository=self, **context)
336
#self._real_repository = self.bzrdir._real_bzrdir.open_repository()
337
self._set_real_repository(self.bzrdir._real_bzrdir.open_repository())
1349
339
def find_text_key_references(self):
1350
340
"""Find the text key references within the repository.
342
:return: a dictionary mapping (file_id, revision_id) tuples to altered file-ids to an iterable of
343
revision_ids. Each altered file-ids has the exact revision_ids that
344
altered it listed explicitly.
1352
345
:return: A dictionary mapping text keys ((fileid, revision_id) tuples)
1353
346
to whether they were referred to by the inventory of the
1354
347
revision_id that they contain. The inventory texts from all present
1368
361
self._ensure_real()
1369
362
return self._real_repository._generate_text_key_index()
1371
def _get_revision_graph(self, revision_id):
1372
"""Private method for using with old (< 1.2) servers to fallback."""
364
def get_revision_graph(self, revision_id=None):
365
"""See Repository.get_revision_graph()."""
1373
366
if revision_id is None:
1374
367
revision_id = ''
1375
elif _mod_revision.is_null(revision_id):
368
elif revision.is_null(revision_id):
1378
371
path = self.bzrdir._path_for_remote_call(self._client)
1379
response = self._call_expecting_body(
372
assert type(revision_id) is str
373
response = self._client.call_expecting_body(
1380
374
'Repository.get_revision_graph', path, revision_id)
1381
response_tuple, response_handler = response
1382
if response_tuple[0] != 'ok':
1383
raise errors.UnexpectedSmartServerResponse(response_tuple)
1384
coded = response_handler.read_body_bytes()
1386
# no revisions in this repository!
1388
lines = coded.split('\n')
1391
d = tuple(line.split())
1392
revision_graph[d[0]] = d[1:]
1394
return revision_graph
1396
def _get_sink(self):
1397
"""See Repository._get_sink()."""
1398
return RemoteStreamSink(self)
1400
def _get_source(self, to_format):
1401
"""Return a source for streaming from this repository."""
1402
return RemoteStreamSource(self, to_format)
1405
def get_file_graph(self):
1406
return graph.Graph(self.texts)
375
if response[0][0] not in ['ok', 'nosuchrevision']:
376
raise errors.UnexpectedSmartServerResponse(response[0])
377
if response[0][0] == 'ok':
378
coded = response[1].read_body_bytes()
380
# no revisions in this repository!
382
lines = coded.split('\n')
385
d = tuple(line.split())
386
revision_graph[d[0]] = d[1:]
388
return revision_graph
390
response_body = response[1].read_body_bytes()
391
assert response_body == ''
392
raise NoSuchRevision(self, revision_id)
1409
394
def has_revision(self, revision_id):
1410
"""True if this repository has a copy of the revision."""
1411
# Copy of bzrlib.repository.Repository.has_revision
1412
return revision_id in self.has_revisions((revision_id,))
395
"""See Repository.has_revision()."""
396
if revision_id == NULL_REVISION:
397
# The null revision is always present.
399
path = self.bzrdir._path_for_remote_call(self._client)
400
response = self._client.call('Repository.has_revision', path, revision_id)
401
assert response[0] in ('yes', 'no'), 'unexpected response code %s' % (response,)
402
return response[0] == 'yes'
1415
404
def has_revisions(self, revision_ids):
1416
"""Probe to find out the presence of multiple revisions.
1418
:param revision_ids: An iterable of revision_ids.
1419
:return: A set of the revision_ids that were present.
1421
# Copy of bzrlib.repository.Repository.has_revisions
1422
parent_map = self.get_parent_map(revision_ids)
1423
result = set(parent_map)
1424
if _mod_revision.NULL_REVISION in revision_ids:
1425
result.add(_mod_revision.NULL_REVISION)
405
"""See Repository.has_revisions()."""
407
for revision_id in revision_ids:
408
if self.has_revision(revision_id):
409
result.add(revision_id)
1428
def _has_same_fallbacks(self, other_repo):
1429
"""Returns true if the repositories have the same fallbacks."""
1430
# XXX: copied from Repository; it should be unified into a base class
1431
# <https://bugs.launchpad.net/bzr/+bug/401622>
1432
my_fb = self._fallback_repositories
1433
other_fb = other_repo._fallback_repositories
1434
if len(my_fb) != len(other_fb):
1436
for f, g in zip(my_fb, other_fb):
1437
if not f.has_same_location(g):
1441
412
def has_same_location(self, other):
1442
# TODO: Move to RepositoryBase and unify with the regular Repository
1443
# one; unfortunately the tests rely on slightly different behaviour at
1444
# present -- mbp 20090710
1445
return (self.__class__ is other.__class__ and
413
return (self.__class__ == other.__class__ and
1446
414
self.bzrdir.transport.base == other.bzrdir.transport.base)
1448
416
def get_graph(self, other_repository=None):
1449
417
"""Return the graph for this repository format"""
1450
parents_provider = self._make_parents_provider(other_repository)
418
parents_provider = self
419
if (other_repository is not None and
420
other_repository.bzrdir.transport.base !=
421
self.bzrdir.transport.base):
422
parents_provider = graph._StackedParentsProvider(
423
[parents_provider, other_repository._make_parents_provider()])
1451
424
return graph.Graph(parents_provider)
1454
def get_known_graph_ancestry(self, revision_ids):
1455
"""Return the known graph for a set of revision ids and their ancestors.
1457
st = static_tuple.StaticTuple
1458
revision_keys = [st(r_id).intern() for r_id in revision_ids]
1459
known_graph = self.revisions.get_known_graph_ancestry(revision_keys)
1460
return graph.GraphThunkIdsToKeys(known_graph)
1462
426
def gather_stats(self, revid=None, committers=None):
1463
427
"""See Repository.gather_stats()."""
1464
428
path = self.bzrdir._path_for_remote_call(self._client)
1465
429
# revid can be None to indicate no revisions, not just NULL_REVISION
1466
if revid is None or _mod_revision.is_null(revid):
430
if revid is None or revision.is_null(revid):
1469
433
fmt_revid = revid
1765
639
t.write(protocol.read_body_bytes())
642
if (response == ('error', "Generic bzr smart protocol error: "
643
"bad request 'Repository.tarball'") or
644
response == ('error', "Generic bzr smart protocol error: "
645
"bad request u'Repository.tarball'")):
646
protocol.cancel_read_body()
1768
648
raise errors.UnexpectedSmartServerResponse(response)
1771
650
def sprout(self, to_bzrdir, revision_id=None):
1772
"""Create a descendent repository for new development.
1774
Unlike clone, this does not copy the settings of the repository.
1776
dest_repo = self._create_sprouting_repo(to_bzrdir, shared=False)
651
# TODO: Option to control what format is created?
653
dest_repo = self._real_repository._format.initialize(to_bzrdir,
1777
655
dest_repo.fetch(self, revision_id=revision_id)
1778
656
return dest_repo
1780
def _create_sprouting_repo(self, a_bzrdir, shared):
1781
if not isinstance(a_bzrdir._format, self.bzrdir._format.__class__):
1782
# use target default format.
1783
dest_repo = a_bzrdir.create_repository()
1785
# Most control formats need the repository to be specifically
1786
# created, but on some old all-in-one formats it's not needed
1788
dest_repo = self._format.initialize(a_bzrdir, shared=shared)
1789
except errors.UninitializableFormat:
1790
dest_repo = a_bzrdir.open_repository()
1793
658
### These methods are just thin shims to the VFS object for now.
1796
660
def revision_tree(self, revision_id):
1797
revision_id = _mod_revision.ensure_null(revision_id)
1798
if revision_id == _mod_revision.NULL_REVISION:
1799
return InventoryRevisionTree(self,
1800
Inventory(root_id=None), _mod_revision.NULL_REVISION)
1802
return list(self.revision_trees([revision_id]))[0]
662
return self._real_repository.revision_tree(revision_id)
1804
664
def get_serializer_format(self):
1805
path = self.bzrdir._path_for_remote_call(self._client)
1807
response = self._call('VersionedFileRepository.get_serializer_format',
1809
except errors.UnknownSmartMethod:
1811
return self._real_repository.get_serializer_format()
1812
if response[0] != 'ok':
1813
raise errors.UnexpectedSmartServerResponse(response)
666
return self._real_repository.get_serializer_format()
1816
668
def get_commit_builder(self, branch, parents, config, timestamp=None,
1817
669
timezone=None, committer=None, revprops=None,
1818
revision_id=None, lossy=False):
1819
"""Obtain a CommitBuilder for this repository.
1821
:param branch: Branch to commit to.
1822
:param parents: Revision ids of the parents of the new revision.
1823
:param config: Configuration to use.
1824
:param timestamp: Optional timestamp recorded for commit.
1825
:param timezone: Optional timezone for timestamp.
1826
:param committer: Optional committer to set for commit.
1827
:param revprops: Optional dictionary of revision properties.
1828
:param revision_id: Optional revision id.
1829
:param lossy: Whether to discard data that can not be natively
1830
represented, when pushing to a foreign VCS
1832
if self._fallback_repositories and not self._format.supports_chks:
1833
raise errors.BzrError("Cannot commit directly to a stacked branch"
1834
" in pre-2a formats. See "
1835
"https://bugs.launchpad.net/bzr/+bug/375013 for details.")
1836
if self._format.rich_root_data:
1837
commit_builder_kls = vf_repository.VersionedFileRootCommitBuilder
1839
commit_builder_kls = vf_repository.VersionedFileCommitBuilder
1840
result = commit_builder_kls(self, parents, config,
1841
timestamp, timezone, committer, revprops, revision_id,
1843
self.start_write_group()
1846
def add_fallback_repository(self, repository):
1847
"""Add a repository to use for looking up data not held locally.
1849
:param repository: A repository.
1851
if not self._format.supports_external_lookups:
1852
raise errors.UnstackableRepositoryFormat(
1853
self._format.network_name(), self.base)
1854
# We need to accumulate additional repositories here, to pass them in
1857
# Make the check before we lock: this raises an exception.
1858
self._check_fallback_repository(repository)
1859
if self.is_locked():
1860
# We will call fallback.unlock() when we transition to the unlocked
1861
# state, so always add a lock here. If a caller passes us a locked
1862
# repository, they are responsible for unlocking it later.
1863
repository.lock_read()
1864
self._fallback_repositories.append(repository)
1865
# If self._real_repository was parameterised already (e.g. because a
1866
# _real_branch had its get_stacked_on_url method called), then the
1867
# repository to be added may already be in the _real_repositories list.
1868
if self._real_repository is not None:
1869
fallback_locations = [repo.user_url for repo in
1870
self._real_repository._fallback_repositories]
1871
if repository.user_url not in fallback_locations:
1872
self._real_repository.add_fallback_repository(repository)
1874
def _check_fallback_repository(self, repository):
1875
"""Check that this repository can fallback to repository safely.
1877
Raise an error if not.
1879
:param repository: A repository to fallback to.
1881
return _mod_repository.InterRepository._assert_same_model(
671
# FIXME: It ought to be possible to call this without immediately
672
# triggering _ensure_real. For now it's the easiest thing to do.
674
builder = self._real_repository.get_commit_builder(branch, parents,
675
config, timestamp=timestamp, timezone=timezone,
676
committer=committer, revprops=revprops, revision_id=revision_id)
1884
679
def add_inventory(self, revid, inv, parents):
1885
680
self._ensure_real()
1886
681
return self._real_repository.add_inventory(revid, inv, parents)
1888
def add_inventory_by_delta(self, basis_revision_id, delta, new_revision_id,
1889
parents, basis_inv=None, propagate_caches=False):
683
def add_revision(self, rev_id, rev, inv=None, config=None):
1890
684
self._ensure_real()
1891
return self._real_repository.add_inventory_by_delta(basis_revision_id,
1892
delta, new_revision_id, parents, basis_inv=basis_inv,
1893
propagate_caches=propagate_caches)
1895
def add_revision(self, revision_id, rev, inv=None):
1896
_mod_revision.check_not_reserved_id(revision_id)
1897
key = (revision_id,)
1898
# check inventory present
1899
if not self.inventories.get_parent_map([key]):
1901
raise errors.WeaveRevisionNotPresent(revision_id,
1904
# yes, this is not suitable for adding with ghosts.
1905
rev.inventory_sha1 = self.add_inventory(revision_id, inv,
1908
rev.inventory_sha1 = self.inventories.get_sha1s([key])[key]
1909
self._add_revision(rev)
1911
def _add_revision(self, rev):
1912
if self._real_repository is not None:
1913
return self._real_repository._add_revision(rev)
1914
text = self._serializer.write_revision_to_string(rev)
1915
key = (rev.revision_id,)
1916
parents = tuple((parent,) for parent in rev.parent_ids)
1917
self._write_group_tokens, missing_keys = self._get_sink().insert_stream(
1918
[('revisions', [FulltextContentFactory(key, parents, None, text)])],
1919
self._format, self._write_group_tokens)
685
return self._real_repository.add_revision(
686
rev_id, rev, inv=inv, config=config)
1921
688
@needs_read_lock
1922
689
def get_inventory(self, revision_id):
1923
return list(self.iter_inventories([revision_id]))[0]
1925
def _iter_inventories_rpc(self, revision_ids, ordering):
1926
if ordering is None:
1927
ordering = 'unordered'
1928
path = self.bzrdir._path_for_remote_call(self._client)
1929
body = "\n".join(revision_ids)
1930
response_tuple, response_handler = (
1931
self._call_with_body_bytes_expecting_body(
1932
"VersionedFileRepository.get_inventories",
1933
(path, ordering), body))
1934
if response_tuple[0] != "ok":
1935
raise errors.UnexpectedSmartServerResponse(response_tuple)
1936
deserializer = inventory_delta.InventoryDeltaDeserializer()
1937
byte_stream = response_handler.read_streamed_body()
1938
decoded = smart_repo._byte_stream_to_stream(byte_stream)
1940
# no results whatsoever
1942
src_format, stream = decoded
1943
if src_format.network_name() != self._format.network_name():
1944
raise AssertionError(
1945
"Mismatched RemoteRepository and stream src %r, %r" % (
1946
src_format.network_name(), self._format.network_name()))
1947
# ignore the src format, it's not really relevant
1948
prev_inv = Inventory(root_id=None,
1949
revision_id=_mod_revision.NULL_REVISION)
1950
# there should be just one substream, with inventory deltas
1951
substream_kind, substream = stream.next()
1952
if substream_kind != "inventory-deltas":
1953
raise AssertionError(
1954
"Unexpected stream %r received" % substream_kind)
1955
for record in substream:
1956
(parent_id, new_id, versioned_root, tree_references, invdelta) = (
1957
deserializer.parse_text_bytes(record.get_bytes_as("fulltext")))
1958
if parent_id != prev_inv.revision_id:
1959
raise AssertionError("invalid base %r != %r" % (parent_id,
1960
prev_inv.revision_id))
1961
inv = prev_inv.create_by_apply_delta(invdelta, new_id)
1962
yield inv, inv.revision_id
1965
def _iter_inventories_vfs(self, revision_ids, ordering=None):
1967
return self._real_repository._iter_inventories(revision_ids, ordering)
1969
def iter_inventories(self, revision_ids, ordering=None):
1970
"""Get many inventories by revision_ids.
1972
This will buffer some or all of the texts used in constructing the
1973
inventories in memory, but will only parse a single inventory at a
1976
:param revision_ids: The expected revision ids of the inventories.
1977
:param ordering: optional ordering, e.g. 'topological'. If not
1978
specified, the order of revision_ids will be preserved (by
1979
buffering if necessary).
1980
:return: An iterator of inventories.
1982
if ((None in revision_ids)
1983
or (_mod_revision.NULL_REVISION in revision_ids)):
1984
raise ValueError('cannot get null revision inventory')
1985
for inv, revid in self._iter_inventories(revision_ids, ordering):
1987
raise errors.NoSuchRevision(self, revid)
1990
def _iter_inventories(self, revision_ids, ordering=None):
1991
if len(revision_ids) == 0:
1993
missing = set(revision_ids)
1994
if ordering is None:
1995
order_as_requested = True
1997
order = list(revision_ids)
1999
next_revid = order.pop()
2001
order_as_requested = False
2002
if ordering != 'unordered' and self._fallback_repositories:
2003
raise ValueError('unsupported ordering %r' % ordering)
2004
iter_inv_fns = [self._iter_inventories_rpc] + [
2005
fallback._iter_inventories for fallback in
2006
self._fallback_repositories]
2008
for iter_inv in iter_inv_fns:
2009
request = [revid for revid in revision_ids if revid in missing]
2010
for inv, revid in iter_inv(request, ordering):
2013
missing.remove(inv.revision_id)
2014
if ordering != 'unordered':
2018
if order_as_requested:
2019
# Yield as many results as we can while preserving order.
2020
while next_revid in invs:
2021
inv = invs.pop(next_revid)
2022
yield inv, inv.revision_id
2024
next_revid = order.pop()
2026
# We still want to fully consume the stream, just
2027
# in case it is not actually finished at this point
2030
except errors.UnknownSmartMethod:
2031
for inv, revid in self._iter_inventories_vfs(revision_ids, ordering):
2035
if order_as_requested:
2036
if next_revid is not None:
2037
yield None, next_revid
2040
yield invs.get(revid), revid
2043
yield None, missing.pop()
691
return self._real_repository.get_inventory(revision_id)
693
def iter_inventories(self, revision_ids):
695
return self._real_repository.iter_inventories(revision_ids)
2045
697
@needs_read_lock
2046
698
def get_revision(self, revision_id):
2047
return self.get_revisions([revision_id])[0]
700
return self._real_repository.get_revision(revision_id)
703
def weave_store(self):
705
return self._real_repository.weave_store
2049
707
def get_transaction(self):
2050
708
self._ensure_real()
2095
726
included_keys = result_set.intersection(result_parents)
2096
727
start_keys = result_set.difference(included_keys)
2097
728
exclude_keys = result_parents.difference(result_set)
2098
result = vf_search.SearchResult(start_keys, exclude_keys,
729
result = graph.SearchResult(start_keys, exclude_keys,
2099
730
len(result_set), result_set)
2102
733
@needs_read_lock
2103
def search_missing_revision_ids(self, other,
2104
revision_id=symbol_versioning.DEPRECATED_PARAMETER,
2105
find_ghosts=True, revision_ids=None, if_present_ids=None,
734
def search_missing_revision_ids(self, other, revision_id=None, find_ghosts=True):
2107
735
"""Return the revision ids that other has that this does not.
2109
737
These are returned in topological order.
2111
739
revision_id: only return revision ids included by revision_id.
2113
if symbol_versioning.deprecated_passed(revision_id):
2114
symbol_versioning.warn(
2115
'search_missing_revision_ids(revision_id=...) was '
2116
'deprecated in 2.4. Use revision_ids=[...] instead.',
2117
DeprecationWarning, stacklevel=2)
2118
if revision_ids is not None:
2119
raise AssertionError(
2120
'revision_ids is mutually exclusive with revision_id')
2121
if revision_id is not None:
2122
revision_ids = [revision_id]
2123
inter_repo = _mod_repository.InterRepository.get(other, self)
2124
return inter_repo.search_missing_revision_ids(
2125
find_ghosts=find_ghosts, revision_ids=revision_ids,
2126
if_present_ids=if_present_ids, limit=limit)
741
return repository.InterRepository.get(
742
other, self).search_missing_revision_ids(revision_id, find_ghosts)
2128
def fetch(self, source, revision_id=None, find_ghosts=False,
2130
# No base implementation to use as RemoteRepository is not a subclass
2131
# of Repository; so this is a copy of Repository.fetch().
2132
if fetch_spec is not None and revision_id is not None:
2133
raise AssertionError(
2134
"fetch_spec and revision_id are mutually exclusive.")
2135
if self.is_in_write_group():
2136
raise errors.InternalBzrError(
2137
"May not fetch while in a write group.")
2138
# fast path same-url fetch operations
2139
if (self.has_same_location(source)
2140
and fetch_spec is None
2141
and self._has_same_fallbacks(source)):
744
def fetch(self, source, revision_id=None, pb=None):
745
if self.has_same_location(source):
2142
746
# check that last_revision is in 'from' and then return a
2144
748
if (revision_id is not None and
2145
not _mod_revision.is_null(revision_id)):
749
not revision.is_null(revision_id)):
2146
750
self.get_revision(revision_id)
2148
# if there is no specific appropriate InterRepository, this will get
2149
# the InterRepository base class, which raises an
2150
# IncompatibleRepositories when asked to fetch.
2151
inter = _mod_repository.InterRepository.get(source, self)
2152
if (fetch_spec is not None and
2153
not getattr(inter, "supports_fetch_spec", False)):
2154
raise errors.UnsupportedOperation(
2155
"fetch_spec not supported for %r" % inter)
2156
return inter.fetch(revision_id=revision_id,
2157
find_ghosts=find_ghosts, fetch_spec=fetch_spec)
753
return self._real_repository.fetch(
754
source, revision_id=revision_id, pb=pb)
2159
756
def create_bundle(self, target, base, fileobj, format=None):
2160
757
self._ensure_real()
2161
758
self._real_repository.create_bundle(target, base, fileobj, format)
761
def control_weaves(self):
763
return self._real_repository.control_weaves
766
def get_ancestry(self, revision_id, topo_sorted=True):
768
return self._real_repository.get_ancestry(revision_id, topo_sorted)
771
def get_inventory_weave(self):
773
return self._real_repository.get_inventory_weave()
2163
775
def fileids_altered_by_revision_ids(self, revision_ids):
2164
776
self._ensure_real()
2165
777
return self._real_repository.fileids_altered_by_revision_ids(revision_ids)
2168
780
self._ensure_real()
2169
781
return self._real_repository._get_versioned_file_checker(
2170
782
revisions, revision_versions_cache)
2172
def _iter_files_bytes_rpc(self, desired_files, absent):
2173
path = self.bzrdir._path_for_remote_call(self._client)
2176
for (file_id, revid, identifier) in desired_files:
2177
lines.append("%s\0%s" % (
2178
osutils.safe_file_id(file_id),
2179
osutils.safe_revision_id(revid)))
2180
identifiers.append(identifier)
2181
(response_tuple, response_handler) = (
2182
self._call_with_body_bytes_expecting_body(
2183
"Repository.iter_files_bytes", (path, ), "\n".join(lines)))
2184
if response_tuple != ('ok', ):
2185
response_handler.cancel_read_body()
2186
raise errors.UnexpectedSmartServerResponse(response_tuple)
2187
byte_stream = response_handler.read_streamed_body()
2188
def decompress_stream(start, byte_stream, unused):
2189
decompressor = zlib.decompressobj()
2190
yield decompressor.decompress(start)
2191
while decompressor.unused_data == "":
2193
data = byte_stream.next()
2194
except StopIteration:
2196
yield decompressor.decompress(data)
2197
yield decompressor.flush()
2198
unused.append(decompressor.unused_data)
2201
while not "\n" in unused:
2202
unused += byte_stream.next()
2203
header, rest = unused.split("\n", 1)
2204
args = header.split("\0")
2205
if args[0] == "absent":
2206
absent[identifiers[int(args[3])]] = (args[1], args[2])
2209
elif args[0] == "ok":
2212
raise errors.UnexpectedSmartServerResponse(args)
2214
yield (identifiers[idx],
2215
decompress_stream(rest, byte_stream, unused_chunks))
2216
unused = "".join(unused_chunks)
2218
784
def iter_files_bytes(self, desired_files):
2219
785
"""See Repository.iter_file_bytes.
2223
for (identifier, bytes_iterator) in self._iter_files_bytes_rpc(
2224
desired_files, absent):
2225
yield identifier, bytes_iterator
2226
for fallback in self._fallback_repositories:
2229
desired_files = [(key[0], key[1], identifier) for
2230
(identifier, key) in absent.iteritems()]
2231
for (identifier, bytes_iterator) in fallback.iter_files_bytes(desired_files):
2232
del absent[identifier]
2233
yield identifier, bytes_iterator
2235
# There may be more missing items, but raise an exception
2237
missing_identifier = absent.keys()[0]
2238
missing_key = absent[missing_identifier]
2239
raise errors.RevisionNotPresent(revision_id=missing_key[1],
2240
file_id=missing_key[0])
2241
except errors.UnknownSmartMethod:
2243
for (identifier, bytes_iterator) in (
2244
self._real_repository.iter_files_bytes(desired_files)):
2245
yield identifier, bytes_iterator
2247
def get_cached_parent_map(self, revision_ids):
2248
"""See bzrlib.CachingParentsProvider.get_cached_parent_map"""
2249
return self._unstacked_provider.get_cached_parent_map(revision_ids)
2251
def get_parent_map(self, revision_ids):
788
return self._real_repository.iter_files_bytes(desired_files)
790
def get_parent_map(self, keys):
2252
791
"""See bzrlib.Graph.get_parent_map()."""
2253
return self._make_parents_provider().get_parent_map(revision_ids)
2255
def _get_parent_map_rpc(self, keys):
792
# Hack to build up the caching logic.
793
ancestry = self._parents_map
795
# Repository is not locked, so there's no cache.
796
missing_revisions = set(keys)
799
missing_revisions = set(key for key in keys if key not in ancestry)
800
if missing_revisions:
801
parent_map = self._get_parent_map(missing_revisions)
802
if 'hpss' in debug.debug_flags:
803
mutter('retransmitted revisions: %d of %d',
804
len(set(ancestry).intersection(parent_map)),
806
ancestry.update(parent_map)
807
present_keys = [k for k in keys if k in ancestry]
808
if 'hpss' in debug.debug_flags:
809
self._requested_parents.update(present_keys)
810
mutter('Current RemoteRepository graph hit rate: %d%%',
811
100.0 * len(self._requested_parents) / len(ancestry))
812
return dict((k, ancestry[k]) for k in present_keys)
814
def _response_is_unknown_method(self, response, verb):
815
"""Return True if response is an unknonwn method response to verb.
817
:param response: The response from a smart client call_expecting_body
819
:param verb: The verb used in that call.
820
:return: True if an unknown method was encountered.
822
# This might live better on
823
# bzrlib.smart.protocol.SmartClientRequestProtocolOne
824
if (response[0] == ('error', "Generic bzr smart protocol error: "
825
"bad request '%s'" % verb) or
826
response[0] == ('error', "Generic bzr smart protocol error: "
827
"bad request u'%s'" % verb)):
828
response[1].cancel_read_body()
832
def _get_parent_map(self, keys):
2256
833
"""Helper for get_parent_map that performs the RPC."""
2257
medium = self._client._medium
2258
if medium._is_remote_before((1, 2)):
834
medium = self._client.get_smart_medium()
835
if not medium._remote_is_at_least_1_2:
2259
836
# We already found out that the server can't understand
2260
837
# Repository.get_parent_map requests, so just fetch the whole
2263
# Note that this reads the whole graph, when only some keys are
2264
# wanted. On this old server there's no way (?) to get them all
2265
# in one go, and the user probably will have seen a warning about
2266
# the server being old anyhow.
2267
rg = self._get_revision_graph(None)
2268
# There is an API discrepancy between get_parent_map and
2269
# get_revision_graph. Specifically, a "key:()" pair in
2270
# get_revision_graph just means a node has no parents. For
2271
# "get_parent_map" it means the node is a ghost. So fix up the
2272
# graph to correct this.
2273
# https://bugs.launchpad.net/bzr/+bug/214894
2274
# There is one other "bug" which is that ghosts in
2275
# get_revision_graph() are not returned at all. But we won't worry
2276
# about that for now.
2277
for node_id, parent_ids in rg.iteritems():
2278
if parent_ids == ():
2279
rg[node_id] = (NULL_REVISION,)
2280
rg[NULL_REVISION] = ()
839
return self.get_revision_graph()
2283
841
keys = set(keys)
2285
raise ValueError('get_parent_map(None) is not valid')
2286
842
if NULL_REVISION in keys:
2287
843
keys.discard(NULL_REVISION)
2288
844
found_parents = {NULL_REVISION:()}
2363
906
revision_graph[d[0]] = d[1:]
2366
if d[0].startswith('missing:'):
2368
self._unstacked_provider.note_missing_key(revid)
2370
# no parents - so give the Graph result
2372
revision_graph[d[0]] = (NULL_REVISION,)
908
# No parents - so give the Graph result (NULL_REVISION,).
909
revision_graph[d[0]] = (NULL_REVISION,)
2373
910
return revision_graph
2375
912
@needs_read_lock
2376
913
def get_signature_text(self, revision_id):
2377
path = self.bzrdir._path_for_remote_call(self._client)
2379
response_tuple, response_handler = self._call_expecting_body(
2380
'Repository.get_revision_signature_text', path, revision_id)
2381
except errors.UnknownSmartMethod:
2383
return self._real_repository.get_signature_text(revision_id)
2384
except errors.NoSuchRevision, err:
2385
for fallback in self._fallback_repositories:
2387
return fallback.get_signature_text(revision_id)
2388
except errors.NoSuchRevision:
2392
if response_tuple[0] != 'ok':
2393
raise errors.UnexpectedSmartServerResponse(response_tuple)
2394
return response_handler.read_body_bytes()
2397
def _get_inventory_xml(self, revision_id):
2398
# This call is used by older working tree formats,
2399
# which stored a serialized basis inventory.
2401
return self._real_repository._get_inventory_xml(revision_id)
915
return self._real_repository.get_signature_text(revision_id)
918
@symbol_versioning.deprecated_method(symbol_versioning.one_three)
919
def get_revision_graph_with_ghosts(self, revision_ids=None):
921
return self._real_repository.get_revision_graph_with_ghosts(
922
revision_ids=revision_ids)
925
def get_inventory_xml(self, revision_id):
927
return self._real_repository.get_inventory_xml(revision_id)
929
def deserialise_inventory(self, revision_id, xml):
931
return self._real_repository.deserialise_inventory(revision_id, xml)
2404
933
def reconcile(self, other=None, thorough=False):
2405
from bzrlib.reconcile import RepoReconciler
2406
path = self.bzrdir._path_for_remote_call(self._client)
2408
response, handler = self._call_expecting_body(
2409
'Repository.reconcile', path, self._lock_token)
2410
except (errors.UnknownSmartMethod, errors.TokenLockingNotSupported):
2412
return self._real_repository.reconcile(other=other, thorough=thorough)
2413
if response != ('ok', ):
2414
raise errors.UnexpectedSmartServerResponse(response)
2415
body = handler.read_body_bytes()
2416
result = RepoReconciler(self)
2417
for line in body.split('\n'):
2420
key, val_text = line.split(':')
2421
if key == "garbage_inventories":
2422
result.garbage_inventories = int(val_text)
2423
elif key == "inconsistent_parents":
2424
result.inconsistent_parents = int(val_text)
2426
mutter("unknown reconcile key %r" % key)
935
return self._real_repository.reconcile(other=other, thorough=thorough)
2429
937
def all_revision_ids(self):
2430
path = self.bzrdir._path_for_remote_call(self._client)
2432
response_tuple, response_handler = self._call_expecting_body(
2433
"Repository.all_revision_ids", path)
2434
except errors.UnknownSmartMethod:
2436
return self._real_repository.all_revision_ids()
2437
if response_tuple != ("ok", ):
2438
raise errors.UnexpectedSmartServerResponse(response_tuple)
2439
revids = set(response_handler.read_body_bytes().splitlines())
2440
for fallback in self._fallback_repositories:
2441
revids.update(set(fallback.all_revision_ids()))
2444
def _filtered_revision_trees(self, revision_ids, file_ids):
2445
"""Return Tree for a revision on this branch with only some files.
2447
:param revision_ids: a sequence of revision-ids;
2448
a revision-id may not be None or 'null:'
2449
:param file_ids: if not None, the result is filtered
2450
so that only those file-ids, their parents and their
2451
children are included.
2453
inventories = self.iter_inventories(revision_ids)
2454
for inv in inventories:
2455
# Should we introduce a FilteredRevisionTree class rather
2456
# than pre-filter the inventory here?
2457
filtered_inv = inv.filter(file_ids)
2458
yield InventoryRevisionTree(self, filtered_inv, filtered_inv.revision_id)
2461
def get_deltas_for_revisions(self, revisions, specific_fileids=None):
2462
medium = self._client._medium
2463
if medium._is_remote_before((1, 2)):
2465
for delta in self._real_repository.get_deltas_for_revisions(
2466
revisions, specific_fileids):
2469
# Get the revision-ids of interest
2470
required_trees = set()
2471
for revision in revisions:
2472
required_trees.add(revision.revision_id)
2473
required_trees.update(revision.parent_ids[:1])
2475
# Get the matching filtered trees. Note that it's more
2476
# efficient to pass filtered trees to changes_from() rather
2477
# than doing the filtering afterwards. changes_from() could
2478
# arguably do the filtering itself but it's path-based, not
2479
# file-id based, so filtering before or afterwards is
2481
if specific_fileids is None:
2482
trees = dict((t.get_revision_id(), t) for
2483
t in self.revision_trees(required_trees))
2485
trees = dict((t.get_revision_id(), t) for
2486
t in self._filtered_revision_trees(required_trees,
2489
# Calculate the deltas
2490
for revision in revisions:
2491
if not revision.parent_ids:
2492
old_tree = self.revision_tree(_mod_revision.NULL_REVISION)
2494
old_tree = trees[revision.parent_ids[0]]
2495
yield trees[revision.revision_id].changes_from(old_tree)
2498
def get_revision_delta(self, revision_id, specific_fileids=None):
2499
r = self.get_revision(revision_id)
2500
return list(self.get_deltas_for_revisions([r],
2501
specific_fileids=specific_fileids))[0]
939
return self._real_repository.all_revision_ids()
942
def get_deltas_for_revisions(self, revisions):
944
return self._real_repository.get_deltas_for_revisions(revisions)
947
def get_revision_delta(self, revision_id):
949
return self._real_repository.get_revision_delta(revision_id)
2503
951
@needs_read_lock
2504
952
def revision_trees(self, revision_ids):
2505
inventories = self.iter_inventories(revision_ids)
2506
for inv in inventories:
2507
yield InventoryRevisionTree(self, inv, inv.revision_id)
954
return self._real_repository.revision_trees(revision_ids)
2509
956
@needs_read_lock
2510
957
def get_revision_reconcile(self, revision_id):
2553
997
# TODO: Suggestion from john: using external tar is much faster than
2554
998
# python's tarfile library, but it may not work on windows.
2557
def inventories(self):
2558
"""Decorate the real repository for now.
2560
In the long term a full blown network facility is needed to
2561
avoid creating a real repository object locally.
2564
return self._real_repository.inventories
2566
1000
@needs_write_lock
2567
def pack(self, hint=None, clean_obsolete_packs=False):
2568
1002
"""Compress the data within the repository.
2573
body = "".join([l+"\n" for l in hint])
2574
path = self.bzrdir._path_for_remote_call(self._client)
2576
response, handler = self._call_with_body_bytes_expecting_body(
2577
'Repository.pack', (path, self._lock_token,
2578
str(clean_obsolete_packs)), body)
2579
except errors.UnknownSmartMethod:
2581
return self._real_repository.pack(hint=hint,
2582
clean_obsolete_packs=clean_obsolete_packs)
2583
handler.cancel_read_body()
2584
if response != ('ok', ):
2585
raise errors.UnexpectedSmartServerResponse(response)
2588
def revisions(self):
2589
"""Decorate the real repository for now.
2591
In the long term a full blown network facility is needed.
1004
This is not currently implemented within the smart server.
2593
1006
self._ensure_real()
2594
return self._real_repository.revisions
1007
return self._real_repository.pack()
2596
1009
def set_make_working_trees(self, new_value):
2598
new_value_str = "True"
2600
new_value_str = "False"
2601
path = self.bzrdir._path_for_remote_call(self._client)
2603
response = self._call(
2604
'Repository.set_make_working_trees', path, new_value_str)
2605
except errors.UnknownSmartMethod:
2607
self._real_repository.set_make_working_trees(new_value)
2609
if response[0] != 'ok':
2610
raise errors.UnexpectedSmartServerResponse(response)
2613
def signatures(self):
2614
"""Decorate the real repository for now.
2616
In the long term a full blown network facility is needed to avoid
2617
creating a real repository object locally.
2620
return self._real_repository.signatures
1010
raise NotImplementedError(self.set_make_working_trees)
2622
1012
@needs_write_lock
2623
1013
def sign_revision(self, revision_id, gpg_strategy):
2624
testament = _mod_testament.Testament.from_revision(self, revision_id)
2625
plaintext = testament.as_short_text()
2626
self.store_revision_signature(gpg_strategy, plaintext, revision_id)
2630
"""Decorate the real repository for now.
2632
In the long term a full blown network facility is needed to avoid
2633
creating a real repository object locally.
2635
1014
self._ensure_real()
2636
return self._real_repository.texts
2638
def _iter_revisions_rpc(self, revision_ids):
2639
body = "\n".join(revision_ids)
2640
path = self.bzrdir._path_for_remote_call(self._client)
2641
response_tuple, response_handler = (
2642
self._call_with_body_bytes_expecting_body(
2643
"Repository.iter_revisions", (path, ), body))
2644
if response_tuple[0] != "ok":
2645
raise errors.UnexpectedSmartServerResponse(response_tuple)
2646
serializer_format = response_tuple[1]
2647
serializer = serializer_format_registry.get(serializer_format)
2648
byte_stream = response_handler.read_streamed_body()
2649
decompressor = zlib.decompressobj()
2651
for bytes in byte_stream:
2652
chunks.append(decompressor.decompress(bytes))
2653
if decompressor.unused_data != "":
2654
chunks.append(decompressor.flush())
2655
yield serializer.read_revision_from_string("".join(chunks))
2656
unused = decompressor.unused_data
2657
decompressor = zlib.decompressobj()
2658
chunks = [decompressor.decompress(unused)]
2659
chunks.append(decompressor.flush())
2660
text = "".join(chunks)
2662
yield serializer.read_revision_from_string("".join(chunks))
1015
return self._real_repository.sign_revision(revision_id, gpg_strategy)
2664
1017
@needs_read_lock
2665
1018
def get_revisions(self, revision_ids):
2666
if revision_ids is None:
2667
revision_ids = self.all_revision_ids()
2669
for rev_id in revision_ids:
2670
if not rev_id or not isinstance(rev_id, basestring):
2671
raise errors.InvalidRevisionId(
2672
revision_id=rev_id, branch=self)
2674
missing = set(revision_ids)
2676
for rev in self._iter_revisions_rpc(revision_ids):
2677
missing.remove(rev.revision_id)
2678
revs[rev.revision_id] = rev
2679
except errors.UnknownSmartMethod:
2681
return self._real_repository.get_revisions(revision_ids)
2682
for fallback in self._fallback_repositories:
2685
for revid in list(missing):
2686
# XXX JRV 2011-11-20: It would be nice if there was a
2687
# public method on Repository that could be used to query
2688
# for revision objects *without* failing completely if one
2689
# was missing. There is VersionedFileRepository._iter_revisions,
2690
# but unfortunately that's private and not provided by
2691
# all repository implementations.
2693
revs[revid] = fallback.get_revision(revid)
2694
except errors.NoSuchRevision:
2697
missing.remove(revid)
2699
raise errors.NoSuchRevision(self, list(missing)[0])
2700
return [revs[revid] for revid in revision_ids]
1020
return self._real_repository.get_revisions(revision_ids)
2702
1022
def supports_rich_root(self):
2703
return self._format.rich_root_data
1024
return self._real_repository.supports_rich_root()
1026
def iter_reverse_revision_history(self, revision_id):
1028
return self._real_repository.iter_reverse_revision_history(revision_id)
2706
1031
def _serializer(self):
2707
return self._format._serializer
1033
return self._real_repository._serializer
2710
1035
def store_revision_signature(self, gpg_strategy, plaintext, revision_id):
2711
signature = gpg_strategy.sign(plaintext)
2712
self.add_signature_text(revision_id, signature)
1037
return self._real_repository.store_revision_signature(
1038
gpg_strategy, plaintext, revision_id)
2714
1040
def add_signature_text(self, revision_id, signature):
2715
if self._real_repository:
2716
# If there is a real repository the write group will
2717
# be in the real repository as well, so use that:
2719
return self._real_repository.add_signature_text(
2720
revision_id, signature)
2721
path = self.bzrdir._path_for_remote_call(self._client)
2722
response, handler = self._call_with_body_bytes_expecting_body(
2723
'Repository.add_signature_text', (path, self._lock_token,
2724
revision_id) + tuple(self._write_group_tokens), signature)
2725
handler.cancel_read_body()
2727
if response[0] != 'ok':
2728
raise errors.UnexpectedSmartServerResponse(response)
2729
self._write_group_tokens = response[1:]
1042
return self._real_repository.add_signature_text(revision_id, signature)
2731
1044
def has_signature_for_revision_id(self, revision_id):
1046
return self._real_repository.has_signature_for_revision_id(revision_id)
1048
def get_data_stream_for_search(self, search):
1049
medium = self._client.get_smart_medium()
1050
if not medium._remote_is_at_least_1_2:
1052
return self._real_repository.get_data_stream_for_search(search)
1053
REQUEST_NAME = 'Repository.stream_revisions_chunked'
2732
1054
path = self.bzrdir._path_for_remote_call(self._client)
2734
response = self._call('Repository.has_signature_for_revision_id',
2736
except errors.UnknownSmartMethod:
1055
body = self._serialise_search_recipe(search.get_recipe())
1056
response, protocol = self._client.call_with_body_bytes_expecting_body(
1057
REQUEST_NAME, (path,), body)
1059
if self._response_is_unknown_method((response, protocol), REQUEST_NAME):
1060
# Server does not support this method, so fall back to VFS.
1061
# Worse, we have to force a disconnection, because the server now
1062
# doesn't realise it has a body on the wire to consume, so the
1063
# only way to recover is to abandon the connection.
1065
'Server is too old for streaming pull, reconnecting. '
1066
'(Upgrade the server to Bazaar 1.2 to avoid this)')
1068
# To avoid having to disconnect repeatedly, we keep track of the
1069
# fact the server doesn't understand this remote method.
1070
medium._remote_is_at_least_1_2 = False
2737
1071
self._ensure_real()
2738
return self._real_repository.has_signature_for_revision_id(
2740
if response[0] not in ('yes', 'no'):
2741
raise SmartProtocolError('unexpected response code %s' % (response,))
2742
if response[0] == 'yes':
2744
for fallback in self._fallback_repositories:
2745
if fallback.has_signature_for_revision_id(revision_id):
2750
def verify_revision_signature(self, revision_id, gpg_strategy):
2751
if not self.has_signature_for_revision_id(revision_id):
2752
return gpg.SIGNATURE_NOT_SIGNED, None
2753
signature = self.get_signature_text(revision_id)
2755
testament = _mod_testament.Testament.from_revision(self, revision_id)
2756
plaintext = testament.as_short_text()
2758
return gpg_strategy.verify(signature, plaintext)
1072
return self._real_repository.get_data_stream_for_search(search)
1074
if response == ('ok',):
1075
return self._deserialise_stream(protocol)
1076
if response == ('NoSuchRevision', ):
1077
# We cannot easily identify the revision that is missing in this
1078
# situation without doing much more network IO. For now, bail.
1079
raise NoSuchRevision(self, "unknown")
1081
raise errors.UnexpectedSmartServerResponse(response)
1083
def _deserialise_stream(self, protocol):
1084
stream = protocol.read_streamed_body()
1085
container_parser = ContainerPushParser()
1086
for bytes in stream:
1087
container_parser.accept_bytes(bytes)
1088
records = container_parser.read_pending_records()
1089
for record_names, record_bytes in records:
1090
if len(record_names) != 1:
1091
# These records should have only one name, and that name
1092
# should be a one-element tuple.
1093
raise errors.SmartProtocolError(
1094
'Repository data stream had invalid record name %r'
1096
name_tuple = record_names[0]
1097
yield name_tuple, record_bytes
1099
def insert_data_stream(self, stream):
1101
self._real_repository.insert_data_stream(stream)
2760
1103
def item_keys_introduced_by(self, revision_ids, _files_pb=None):
2761
1104
self._ensure_real()
2762
1105
return self._real_repository.item_keys_introduced_by(revision_ids,
2763
1106
_files_pb=_files_pb)
2765
def _find_inconsistent_revision_parents(self, revisions_iterator=None):
2767
return self._real_repository._find_inconsistent_revision_parents(
1108
def revision_graph_can_have_wrong_parents(self):
1109
# The answer depends on the remote repo format.
1111
return self._real_repository.revision_graph_can_have_wrong_parents()
1113
def _find_inconsistent_revision_parents(self):
1115
return self._real_repository._find_inconsistent_revision_parents()
2770
1117
def _check_for_inconsistent_revision_parents(self):
2771
1118
self._ensure_real()
2772
1119
return self._real_repository._check_for_inconsistent_revision_parents()
2774
def _make_parents_provider(self, other=None):
2775
providers = [self._unstacked_provider]
2776
if other is not None:
2777
providers.insert(0, other)
2778
return graph.StackedParentsProvider(_LazyListJoin(
2779
providers, self._fallback_repositories))
1121
def _make_parents_provider(self):
2781
1124
def _serialise_search_recipe(self, recipe):
2782
1125
"""Serialise a graph search recipe.
2784
1127
:param recipe: A search recipe (start, stop, count).
2785
1128
:return: Serialised bytes.
2787
start_keys = ' '.join(recipe[1])
2788
stop_keys = ' '.join(recipe[2])
2789
count = str(recipe[3])
1130
start_keys = ' '.join(recipe[0])
1131
stop_keys = ' '.join(recipe[1])
1132
count = str(recipe[2])
2790
1133
return '\n'.join((start_keys, stop_keys, count))
2792
def _serialise_search_result(self, search_result):
2793
parts = search_result.get_network_struct()
2794
return '\n'.join(parts)
2797
path = self.bzrdir._path_for_remote_call(self._client)
2799
response = self._call('PackRepository.autopack', path)
2800
except errors.UnknownSmartMethod:
2802
self._real_repository._pack_collection.autopack()
2805
if response[0] != 'ok':
2806
raise errors.UnexpectedSmartServerResponse(response)
2809
class RemoteStreamSink(vf_repository.StreamSink):
2811
def _insert_real(self, stream, src_format, resume_tokens):
2812
self.target_repo._ensure_real()
2813
sink = self.target_repo._real_repository._get_sink()
2814
result = sink.insert_stream(stream, src_format, resume_tokens)
2816
self.target_repo.autopack()
2819
def insert_stream(self, stream, src_format, resume_tokens):
2820
target = self.target_repo
2821
target._unstacked_provider.missing_keys.clear()
2822
candidate_calls = [('Repository.insert_stream_1.19', (1, 19))]
2823
if target._lock_token:
2824
candidate_calls.append(('Repository.insert_stream_locked', (1, 14)))
2825
lock_args = (target._lock_token or '',)
2827
candidate_calls.append(('Repository.insert_stream', (1, 13)))
2829
client = target._client
2830
medium = client._medium
2831
path = target.bzrdir._path_for_remote_call(client)
2832
# Probe for the verb to use with an empty stream before sending the
2833
# real stream to it. We do this both to avoid the risk of sending a
2834
# large request that is then rejected, and because we don't want to
2835
# implement a way to buffer, rewind, or restart the stream.
2837
for verb, required_version in candidate_calls:
2838
if medium._is_remote_before(required_version):
2841
# We've already done the probing (and set _is_remote_before) on
2842
# a previous insert.
2845
byte_stream = smart_repo._stream_to_byte_stream([], src_format)
2847
response = client.call_with_body_stream(
2848
(verb, path, '') + lock_args, byte_stream)
2849
except errors.UnknownSmartMethod:
2850
medium._remember_remote_is_before(required_version)
2856
return self._insert_real(stream, src_format, resume_tokens)
2857
self._last_inv_record = None
2858
self._last_substream = None
2859
if required_version < (1, 19):
2860
# Remote side doesn't support inventory deltas. Wrap the stream to
2861
# make sure we don't send any. If the stream contains inventory
2862
# deltas we'll interrupt the smart insert_stream request and
2864
stream = self._stop_stream_if_inventory_delta(stream)
2865
byte_stream = smart_repo._stream_to_byte_stream(
2867
resume_tokens = ' '.join(resume_tokens)
2868
response = client.call_with_body_stream(
2869
(verb, path, resume_tokens) + lock_args, byte_stream)
2870
if response[0][0] not in ('ok', 'missing-basis'):
2871
raise errors.UnexpectedSmartServerResponse(response)
2872
if self._last_substream is not None:
2873
# The stream included an inventory-delta record, but the remote
2874
# side isn't new enough to support them. So we need to send the
2875
# rest of the stream via VFS.
2876
self.target_repo.refresh_data()
2877
return self._resume_stream_with_vfs(response, src_format)
2878
if response[0][0] == 'missing-basis':
2879
tokens, missing_keys = bencode.bdecode_as_tuple(response[0][1])
2880
resume_tokens = tokens
2881
return resume_tokens, set(missing_keys)
2883
self.target_repo.refresh_data()
2886
def _resume_stream_with_vfs(self, response, src_format):
2887
"""Resume sending a stream via VFS, first resending the record and
2888
substream that couldn't be sent via an insert_stream verb.
2890
if response[0][0] == 'missing-basis':
2891
tokens, missing_keys = bencode.bdecode_as_tuple(response[0][1])
2892
# Ignore missing_keys, we haven't finished inserting yet
2895
def resume_substream():
2896
# Yield the substream that was interrupted.
2897
for record in self._last_substream:
2899
self._last_substream = None
2900
def resume_stream():
2901
# Finish sending the interrupted substream
2902
yield ('inventory-deltas', resume_substream())
2903
# Then simply continue sending the rest of the stream.
2904
for substream_kind, substream in self._last_stream:
2905
yield substream_kind, substream
2906
return self._insert_real(resume_stream(), src_format, tokens)
2908
def _stop_stream_if_inventory_delta(self, stream):
2909
"""Normally this just lets the original stream pass-through unchanged.
2911
However if any 'inventory-deltas' substream occurs it will stop
2912
streaming, and store the interrupted substream and stream in
2913
self._last_substream and self._last_stream so that the stream can be
2914
resumed by _resume_stream_with_vfs.
2917
stream_iter = iter(stream)
2918
for substream_kind, substream in stream_iter:
2919
if substream_kind == 'inventory-deltas':
2920
self._last_substream = substream
2921
self._last_stream = stream_iter
2924
yield substream_kind, substream
2927
class RemoteStreamSource(vf_repository.StreamSource):
2928
"""Stream data from a remote server."""
2930
def get_stream(self, search):
2931
if (self.from_repository._fallback_repositories and
2932
self.to_format._fetch_order == 'topological'):
2933
return self._real_stream(self.from_repository, search)
2936
repos = [self.from_repository]
2942
repos.extend(repo._fallback_repositories)
2943
sources.append(repo)
2944
return self.missing_parents_chain(search, sources)
2946
def get_stream_for_missing_keys(self, missing_keys):
2947
self.from_repository._ensure_real()
2948
real_repo = self.from_repository._real_repository
2949
real_source = real_repo._get_source(self.to_format)
2950
return real_source.get_stream_for_missing_keys(missing_keys)
2952
def _real_stream(self, repo, search):
2953
"""Get a stream for search from repo.
2955
This never called RemoteStreamSource.get_stream, and is a helper
2956
for RemoteStreamSource._get_stream to allow getting a stream
2957
reliably whether fallback back because of old servers or trying
2958
to stream from a non-RemoteRepository (which the stacked support
2961
source = repo._get_source(self.to_format)
2962
if isinstance(source, RemoteStreamSource):
2964
source = repo._real_repository._get_source(self.to_format)
2965
return source.get_stream(search)
2967
def _get_stream(self, repo, search):
2968
"""Core worker to get a stream from repo for search.
2970
This is used by both get_stream and the stacking support logic. It
2971
deliberately gets a stream for repo which does not need to be
2972
self.from_repository. In the event that repo is not Remote, or
2973
cannot do a smart stream, a fallback is made to the generic
2974
repository._get_stream() interface, via self._real_stream.
2976
In the event of stacking, streams from _get_stream will not
2977
contain all the data for search - this is normal (see get_stream).
2979
:param repo: A repository.
2980
:param search: A search.
2982
# Fallbacks may be non-smart
2983
if not isinstance(repo, RemoteRepository):
2984
return self._real_stream(repo, search)
2985
client = repo._client
2986
medium = client._medium
2987
path = repo.bzrdir._path_for_remote_call(client)
2988
search_bytes = repo._serialise_search_result(search)
2989
args = (path, self.to_format.network_name())
2991
('Repository.get_stream_1.19', (1, 19)),
2992
('Repository.get_stream', (1, 13))]
2995
for verb, version in candidate_verbs:
2996
if medium._is_remote_before(version):
2999
response = repo._call_with_body_bytes_expecting_body(
3000
verb, args, search_bytes)
3001
except errors.UnknownSmartMethod:
3002
medium._remember_remote_is_before(version)
3003
except errors.UnknownErrorFromSmartServer, e:
3004
if isinstance(search, vf_search.EverythingResult):
3005
error_verb = e.error_from_smart_server.error_verb
3006
if error_verb == 'BadSearch':
3007
# Pre-2.4 servers don't support this sort of search.
3008
# XXX: perhaps falling back to VFS on BadSearch is a
3009
# good idea in general? It might provide a little bit
3010
# of protection against client-side bugs.
3011
medium._remember_remote_is_before((2, 4))
3015
response_tuple, response_handler = response
3019
return self._real_stream(repo, search)
3020
if response_tuple[0] != 'ok':
3021
raise errors.UnexpectedSmartServerResponse(response_tuple)
3022
byte_stream = response_handler.read_streamed_body()
3023
src_format, stream = smart_repo._byte_stream_to_stream(byte_stream,
3024
self._record_counter)
3025
if src_format.network_name() != repo._format.network_name():
3026
raise AssertionError(
3027
"Mismatched RemoteRepository and stream src %r, %r" % (
3028
src_format.network_name(), repo._format.network_name()))
3031
def missing_parents_chain(self, search, sources):
3032
"""Chain multiple streams together to handle stacking.
3034
:param search: The overall search to satisfy with streams.
3035
:param sources: A list of Repository objects to query.
3037
self.from_serialiser = self.from_repository._format._serializer
3038
self.seen_revs = set()
3039
self.referenced_revs = set()
3040
# If there are heads in the search, or the key count is > 0, we are not
3042
while not search.is_empty() and len(sources) > 1:
3043
source = sources.pop(0)
3044
stream = self._get_stream(source, search)
3045
for kind, substream in stream:
3046
if kind != 'revisions':
3047
yield kind, substream
3049
yield kind, self.missing_parents_rev_handler(substream)
3050
search = search.refine(self.seen_revs, self.referenced_revs)
3051
self.seen_revs = set()
3052
self.referenced_revs = set()
3053
if not search.is_empty():
3054
for kind, stream in self._get_stream(sources[0], search):
3057
def missing_parents_rev_handler(self, substream):
3058
for content in substream:
3059
revision_bytes = content.get_bytes_as('fulltext')
3060
revision = self.from_serialiser.read_revision_from_string(
3062
self.seen_revs.add(content.key[-1])
3063
self.referenced_revs.update(revision.parent_ids)
3067
1136
class RemoteBranchLockableFiles(LockableFiles):
3068
1137
"""A 'LockableFiles' implementation that talks to a smart server.
3070
1139
This is not a public interface class.
3083
1152
self._dir_mode = None
3084
1153
self._file_mode = None
1155
def get(self, path):
1156
"""'get' a remote path as per the LockableFiles interface.
1158
:param path: the file to 'get'. If this is 'branch.conf', we do not
1159
just retrieve a file, instead we ask the smart server to generate
1160
a configuration for us - which is retrieved as an INI file.
1162
if path == 'branch.conf':
1163
path = self.bzrdir._path_for_remote_call(self._client)
1164
response = self._client.call_expecting_body(
1165
'Branch.get_config_file', path)
1166
assert response[0][0] == 'ok', \
1167
'unexpected response code %s' % (response[0],)
1168
return StringIO(response[1].read_body_bytes())
1171
return LockableFiles.get(self, path)
3087
1174
class RemoteBranchFormat(branch.BranchFormat):
3089
def __init__(self, network_name=None):
3090
super(RemoteBranchFormat, self).__init__()
3091
self._matchingbzrdir = RemoteBzrDirFormat()
3092
self._matchingbzrdir.set_branch_format(self)
3093
self._custom_format = None
3094
self._network_name = network_name
3096
1176
def __eq__(self, other):
3097
return (isinstance(other, RemoteBranchFormat) and
1177
return (isinstance(other, RemoteBranchFormat) and
3098
1178
self.__dict__ == other.__dict__)
3100
def _ensure_real(self):
3101
if self._custom_format is None:
3103
self._custom_format = branch.network_format_registry.get(
3106
raise errors.UnknownFormatError(kind='branch',
3107
format=self._network_name)
3109
1180
def get_format_description(self):
3111
return 'Remote: ' + self._custom_format.get_format_description()
3113
def network_name(self):
3114
return self._network_name
3116
def open(self, a_bzrdir, name=None, ignore_fallbacks=False):
3117
return a_bzrdir.open_branch(name=name,
3118
ignore_fallbacks=ignore_fallbacks)
3120
def _vfs_initialize(self, a_bzrdir, name, append_revisions_only,
3122
# Initialisation when using a local bzrdir object, or a non-vfs init
3123
# method is not available on the server.
3124
# self._custom_format is always set - the start of initialize ensures
3126
if isinstance(a_bzrdir, RemoteBzrDir):
3127
a_bzrdir._ensure_real()
3128
result = self._custom_format.initialize(a_bzrdir._real_bzrdir,
3129
name=name, append_revisions_only=append_revisions_only,
3130
repository=repository)
3132
# We assume the bzrdir is parameterised; it may not be.
3133
result = self._custom_format.initialize(a_bzrdir, name=name,
3134
append_revisions_only=append_revisions_only,
3135
repository=repository)
3136
if (isinstance(a_bzrdir, RemoteBzrDir) and
3137
not isinstance(result, RemoteBranch)):
3138
result = RemoteBranch(a_bzrdir, a_bzrdir.find_repository(), result,
3142
def initialize(self, a_bzrdir, name=None, repository=None,
3143
append_revisions_only=None):
3145
name = a_bzrdir._get_selected_branch()
3146
# 1) get the network name to use.
3147
if self._custom_format:
3148
network_name = self._custom_format.network_name()
3150
# Select the current bzrlib default and ask for that.
3151
reference_bzrdir_format = controldir.format_registry.get('default')()
3152
reference_format = reference_bzrdir_format.get_branch_format()
3153
self._custom_format = reference_format
3154
network_name = reference_format.network_name()
3155
# Being asked to create on a non RemoteBzrDir:
3156
if not isinstance(a_bzrdir, RemoteBzrDir):
3157
return self._vfs_initialize(a_bzrdir, name=name,
3158
append_revisions_only=append_revisions_only,
3159
repository=repository)
3160
medium = a_bzrdir._client._medium
3161
if medium._is_remote_before((1, 13)):
3162
return self._vfs_initialize(a_bzrdir, name=name,
3163
append_revisions_only=append_revisions_only,
3164
repository=repository)
3165
# Creating on a remote bzr dir.
3166
# 2) try direct creation via RPC
3167
path = a_bzrdir._path_for_remote_call(a_bzrdir._client)
3169
# XXX JRV20100304: Support creating colocated branches
3170
raise errors.NoColocatedBranchSupport(self)
3171
verb = 'BzrDir.create_branch'
3173
response = a_bzrdir._call(verb, path, network_name)
3174
except errors.UnknownSmartMethod:
3175
# Fallback - use vfs methods
3176
medium._remember_remote_is_before((1, 13))
3177
return self._vfs_initialize(a_bzrdir, name=name,
3178
append_revisions_only=append_revisions_only,
3179
repository=repository)
3180
if response[0] != 'ok':
3181
raise errors.UnexpectedSmartServerResponse(response)
3182
# Turn the response into a RemoteRepository object.
3183
format = RemoteBranchFormat(network_name=response[1])
3184
repo_format = response_tuple_to_repo_format(response[3:])
3185
repo_path = response[2]
3186
if repository is not None:
3187
remote_repo_url = urlutils.join(a_bzrdir.user_url, repo_path)
3188
url_diff = urlutils.relative_url(repository.user_url,
3191
raise AssertionError(
3192
'repository.user_url %r does not match URL from server '
3193
'response (%r + %r)'
3194
% (repository.user_url, a_bzrdir.user_url, repo_path))
3195
remote_repo = repository
3198
repo_bzrdir = a_bzrdir
3200
repo_bzrdir = RemoteBzrDir(
3201
a_bzrdir.root_transport.clone(repo_path), a_bzrdir._format,
3203
remote_repo = RemoteRepository(repo_bzrdir, repo_format)
3204
remote_branch = RemoteBranch(a_bzrdir, remote_repo,
3205
format=format, setup_stacking=False, name=name)
3206
if append_revisions_only:
3207
remote_branch.set_append_revisions_only(append_revisions_only)
3208
# XXX: We know this is a new branch, so it must have revno 0, revid
3209
# NULL_REVISION. Creating the branch locked would make this be unable
3210
# to be wrong; here its simply very unlikely to be wrong. RBC 20090225
3211
remote_branch._last_revision_info_cache = 0, NULL_REVISION
3212
return remote_branch
3214
def make_tags(self, branch):
3216
return self._custom_format.make_tags(branch)
1181
return 'Remote BZR Branch'
1183
def get_format_string(self):
1184
return 'Remote BZR Branch'
1186
def open(self, a_bzrdir):
1187
assert isinstance(a_bzrdir, RemoteBzrDir)
1188
return a_bzrdir.open_branch()
1190
def initialize(self, a_bzrdir):
1191
assert isinstance(a_bzrdir, RemoteBzrDir)
1192
return a_bzrdir.create_branch()
3218
1194
def supports_tags(self):
3219
1195
# Remote branches might support tags, but we won't know until we
3220
1196
# access the real remote branch.
3222
return self._custom_format.supports_tags()
3224
def supports_stacking(self):
3226
return self._custom_format.supports_stacking()
3228
def supports_set_append_revisions_only(self):
3230
return self._custom_format.supports_set_append_revisions_only()
3232
def _use_default_local_heads_to_fetch(self):
3233
# If the branch format is a metadir format *and* its heads_to_fetch
3234
# implementation is not overridden vs the base class, we can use the
3235
# base class logic rather than use the heads_to_fetch RPC. This is
3236
# usually cheaper in terms of net round trips, as the last-revision and
3237
# tags info fetched is cached and would be fetched anyway.
3239
if isinstance(self._custom_format, branch.BranchFormatMetadir):
3240
branch_class = self._custom_format._branch_class()
3241
heads_to_fetch_impl = branch_class.heads_to_fetch.im_func
3242
if heads_to_fetch_impl is branch.Branch.heads_to_fetch.im_func:
3247
class RemoteBranchStore(_mod_config.IniFileStore):
3248
"""Branch store which attempts to use HPSS calls to retrieve branch store.
3250
Note that this is specific to bzr-based formats.
3253
def __init__(self, branch):
3254
super(RemoteBranchStore, self).__init__()
3255
self.branch = branch
3257
self._real_store = None
3259
def external_url(self):
3260
return urlutils.join(self.branch.user_url, 'branch.conf')
3262
def _load_content(self):
3263
path = self.branch._remote_path()
3265
response, handler = self.branch._call_expecting_body(
3266
'Branch.get_config_file', path)
3267
except errors.UnknownSmartMethod:
3269
return self._real_store._load_content()
3270
if len(response) and response[0] != 'ok':
3271
raise errors.UnexpectedSmartServerResponse(response)
3272
return handler.read_body_bytes()
3274
def _save_content(self, content):
3275
path = self.branch._remote_path()
3277
response, handler = self.branch._call_with_body_bytes_expecting_body(
3278
'Branch.put_config_file', (path,
3279
self.branch._lock_token, self.branch._repo_lock_token),
3281
except errors.UnknownSmartMethod:
3283
return self._real_store._save_content(content)
3284
handler.cancel_read_body()
3285
if response != ('ok', ):
3286
raise errors.UnexpectedSmartServerResponse(response)
3288
def _ensure_real(self):
3289
self.branch._ensure_real()
3290
if self._real_store is None:
3291
self._real_store = _mod_config.BranchStore(self.branch)
3294
class RemoteBranch(branch.Branch, _RpcHelper, lock._RelockDebugMixin):
1200
class RemoteBranch(branch.Branch):
3295
1201
"""Branch stored on a server accessed by HPSS RPC.
3297
1203
At the moment most operations are mapped down to simple file operations.
3300
1206
def __init__(self, remote_bzrdir, remote_repository, real_branch=None,
3301
_client=None, format=None, setup_stacking=True, name=None,
3302
possible_transports=None):
3303
1208
"""Create a RemoteBranch instance.
3305
1210
:param real_branch: An optional local implementation of the branch
3306
1211
format, usually accessing the data via the VFS.
3307
1212
:param _client: Private parameter for testing.
3308
:param format: A RemoteBranchFormat object, None to create one
3309
automatically. If supplied it should have a network_name already
3311
:param setup_stacking: If True make an RPC call to determine the
3312
stacked (or not) status of the branch. If False assume the branch
3314
:param name: Colocated branch name
3316
1214
# We intentionally don't call the parent class's __init__, because it
3317
1215
# will try to assign to self.tags, which is a property in this subclass.
3318
1216
# And the parent's __init__ doesn't do much anyway.
1217
self._revision_id_to_revno_cache = None
1218
self._revision_history_cache = None
3319
1219
self.bzrdir = remote_bzrdir
3321
1220
if _client is not None:
3322
1221
self._client = _client
3324
self._client = remote_bzrdir._client
1223
self._client = client._SmartClient(self.bzrdir._shared_medium)
3325
1224
self.repository = remote_repository
3326
1225
if real_branch is not None:
3327
1226
self._real_branch = real_branch
3479
1278
self.bzrdir, self._client)
3480
1279
return self._control_files
1281
def _get_checkout_format(self):
1283
return self._real_branch._get_checkout_format()
3482
1285
def get_physical_lock_status(self):
3483
1286
"""See Branch.get_physical_lock_status()."""
3485
response = self._client.call('Branch.get_physical_lock_status',
3486
self._remote_path())
3487
except errors.UnknownSmartMethod:
3489
return self._real_branch.get_physical_lock_status()
3490
if response[0] not in ('yes', 'no'):
3491
raise errors.UnexpectedSmartServerResponse(response)
3492
return (response[0] == 'yes')
3494
def get_stacked_on_url(self):
3495
"""Get the URL this branch is stacked against.
3497
:raises NotStacked: If the branch is not stacked.
3498
:raises UnstackableBranchFormat: If the branch does not support
3500
:raises UnstackableRepositoryFormat: If the repository does not support
3504
# there may not be a repository yet, so we can't use
3505
# self._translate_error, so we can't use self._call either.
3506
response = self._client.call('Branch.get_stacked_on_url',
3507
self._remote_path())
3508
except errors.ErrorFromSmartServer, err:
3509
# there may not be a repository yet, so we can't call through
3510
# its _translate_error
3511
_translate_error(err, branch=self)
3512
except errors.UnknownSmartMethod, err:
3514
return self._real_branch.get_stacked_on_url()
3515
if response[0] != 'ok':
3516
raise errors.UnexpectedSmartServerResponse(response)
3519
def set_stacked_on_url(self, url):
3520
branch.Branch.set_stacked_on_url(self, url)
3521
# We need the stacked_on_url to be visible both locally (to not query
3522
# it repeatedly) and remotely (so smart verbs can get it server side)
3523
# Without the following line,
3524
# bzrlib.tests.per_branch.test_create_clone.TestCreateClone
3525
# .test_create_clone_on_transport_stacked_hooks_get_stacked_branch
3526
# fails for remote branches -- vila 2012-01-04
3527
self.conf_store.save_changes()
3529
self._is_stacked = False
3531
self._is_stacked = True
3533
def _vfs_get_tags_bytes(self):
3535
return self._real_branch._get_tags_bytes()
3538
def _get_tags_bytes(self):
3539
if self._tags_bytes is None:
3540
self._tags_bytes = self._get_tags_bytes_via_hpss()
3541
return self._tags_bytes
3543
def _get_tags_bytes_via_hpss(self):
3544
medium = self._client._medium
3545
if medium._is_remote_before((1, 13)):
3546
return self._vfs_get_tags_bytes()
3548
response = self._call('Branch.get_tags_bytes', self._remote_path())
3549
except errors.UnknownSmartMethod:
3550
medium._remember_remote_is_before((1, 13))
3551
return self._vfs_get_tags_bytes()
3554
def _vfs_set_tags_bytes(self, bytes):
3556
return self._real_branch._set_tags_bytes(bytes)
3558
def _set_tags_bytes(self, bytes):
3559
if self.is_locked():
3560
self._tags_bytes = bytes
3561
medium = self._client._medium
3562
if medium._is_remote_before((1, 18)):
3563
self._vfs_set_tags_bytes(bytes)
3567
self._remote_path(), self._lock_token, self._repo_lock_token)
3568
response = self._call_with_body_bytes(
3569
'Branch.set_tags_bytes', args, bytes)
3570
except errors.UnknownSmartMethod:
3571
medium._remember_remote_is_before((1, 18))
3572
self._vfs_set_tags_bytes(bytes)
1287
# should be an API call to the server, as branches must be lockable.
1289
return self._real_branch.get_physical_lock_status()
3574
1291
def lock_read(self):
3575
"""Lock the branch for read operations.
3577
:return: A bzrlib.lock.LogicalLockResult.
3579
self.repository.lock_read()
3580
1292
if not self._lock_mode:
3581
self._note_lock('r')
3582
1293
self._lock_mode = 'r'
3583
1294
self._lock_count = 1
3584
1295
if self._real_branch is not None:
3585
1296
self._real_branch.lock_read()
3587
1298
self._lock_count += 1
3588
return lock.LogicalLockResult(self.unlock)
3590
1300
def _remote_lock_write(self, token):
3591
1301
if token is None:
3592
1302
branch_token = repo_token = ''
3594
1304
branch_token = token
3595
repo_token = self.repository.lock_write().repository_token
1305
repo_token = self.repository.lock_write()
3596
1306
self.repository.unlock()
3597
err_context = {'token': token}
3599
response = self._call(
3600
'Branch.lock_write', self._remote_path(), branch_token,
3601
repo_token or '', **err_context)
3602
except errors.LockContention, e:
3603
# The LockContention from the server doesn't have any
3604
# information about the lock_url. We re-raise LockContention
3605
# with valid lock_url.
3606
raise errors.LockContention('(remote lock)',
3607
self.repository.base.split('.bzr/')[0])
3608
if response[0] != 'ok':
1307
path = self.bzrdir._path_for_remote_call(self._client)
1308
response = self._client.call('Branch.lock_write', path, branch_token,
1310
if response[0] == 'ok':
1311
ok, branch_token, repo_token = response
1312
return branch_token, repo_token
1313
elif response[0] == 'LockContention':
1314
raise errors.LockContention('(remote lock)')
1315
elif response[0] == 'TokenMismatch':
1316
raise errors.TokenMismatch(token, '(remote token)')
1317
elif response[0] == 'UnlockableTransport':
1318
raise errors.UnlockableTransport(self.bzrdir.root_transport)
1319
elif response[0] == 'ReadOnlyError':
1320
raise errors.ReadOnlyError(self)
1321
elif response[0] == 'LockFailed':
1322
raise errors.LockFailed(response[1], response[2])
3609
1324
raise errors.UnexpectedSmartServerResponse(response)
3610
ok, branch_token, repo_token = response
3611
return branch_token, repo_token
3613
1326
def lock_write(self, token=None):
3614
1327
if not self._lock_mode:
3615
self._note_lock('w')
3616
# Lock the branch and repo in one remote call.
3617
1328
remote_tokens = self._remote_lock_write(token)
3618
1329
self._lock_token, self._repo_lock_token = remote_tokens
3619
if not self._lock_token:
3620
raise SmartProtocolError('Remote server did not return a token!')
3621
# Tell the self.repository object that it is locked.
3622
self.repository.lock_write(
3623
self._repo_lock_token, _skip_rpc=True)
1330
assert self._lock_token, 'Remote server did not return a token!'
1331
# TODO: We really, really, really don't want to call _ensure_real
1332
# here, but it's the easiest way to ensure coherency between the
1333
# state of the RemoteBranch and RemoteRepository objects and the
1334
# physical locks. If we don't materialise the real objects here,
1335
# then getting everything in the right state later is complex, so
1336
# for now we just do it the lazy way.
1337
# -- Andrew Bennetts, 2007-02-22.
3625
1339
if self._real_branch is not None:
3626
self._real_branch.lock_write(token=self._lock_token)
1340
self._real_branch.repository.lock_write(
1341
token=self._repo_lock_token)
1343
self._real_branch.lock_write(token=self._lock_token)
1345
self._real_branch.repository.unlock()
3627
1346
if token is not None:
3628
1347
self._leave_lock = True
1349
# XXX: this case seems to be unreachable; token cannot be None.
3630
1350
self._leave_lock = False
3631
1351
self._lock_mode = 'w'
3632
1352
self._lock_count = 1
3633
1353
elif self._lock_mode == 'r':
3634
raise errors.ReadOnlyError(self)
1354
raise errors.ReadOnlyTransaction
3636
1356
if token is not None:
3637
# A token was given to lock_write, and we're relocking, so
3638
# check that the given token actually matches the one we
1357
# A token was given to lock_write, and we're relocking, so check
1358
# that the given token actually matches the one we already have.
3640
1359
if token != self._lock_token:
3641
1360
raise errors.TokenMismatch(token, self._lock_token)
3642
1361
self._lock_count += 1
3643
# Re-lock the repository too.
3644
self.repository.lock_write(self._repo_lock_token)
3645
return BranchWriteLockResult(self.unlock, self._lock_token or None)
1362
return self._lock_token or None
3647
1364
def _unlock(self, branch_token, repo_token):
3648
err_context = {'token': str((branch_token, repo_token))}
3649
response = self._call(
3650
'Branch.unlock', self._remote_path(), branch_token,
3651
repo_token or '', **err_context)
1365
path = self.bzrdir._path_for_remote_call(self._client)
1366
response = self._client.call('Branch.unlock', path, branch_token,
3652
1368
if response == ('ok',):
3654
raise errors.UnexpectedSmartServerResponse(response)
1370
elif response[0] == 'TokenMismatch':
1371
raise errors.TokenMismatch(
1372
str((branch_token, repo_token)), '(remote tokens)')
1374
raise errors.UnexpectedSmartServerResponse(response)
3656
@only_raises(errors.LockNotHeld, errors.LockBroken)
3657
1376
def unlock(self):
3659
self._lock_count -= 1
3660
if not self._lock_count:
3661
if self.conf_store is not None:
3662
self.conf_store.save_changes()
3663
self._clear_cached_state()
3664
mode = self._lock_mode
3665
self._lock_mode = None
3666
if self._real_branch is not None:
3667
if (not self._leave_lock and mode == 'w' and
3668
self._repo_lock_token):
3669
# If this RemoteBranch will remove the physical lock
3670
# for the repository, make sure the _real_branch
3671
# doesn't do it first. (Because the _real_branch's
3672
# repository is set to be the RemoteRepository.)
3673
self._real_branch.repository.leave_lock_in_place()
3674
self._real_branch.unlock()
3676
# Only write-locked branched need to make a remote method
3677
# call to perform the unlock.
3679
if not self._lock_token:
3680
raise AssertionError('Locked, but no token!')
3681
branch_token = self._lock_token
3682
repo_token = self._repo_lock_token
3683
self._lock_token = None
3684
self._repo_lock_token = None
3685
if not self._leave_lock:
3686
self._unlock(branch_token, repo_token)
3688
self.repository.unlock()
1377
self._lock_count -= 1
1378
if not self._lock_count:
1379
self._clear_cached_state()
1380
mode = self._lock_mode
1381
self._lock_mode = None
1382
if self._real_branch is not None:
1383
if (not self._leave_lock and mode == 'w' and
1384
self._repo_lock_token):
1385
# If this RemoteBranch will remove the physical lock for the
1386
# repository, make sure the _real_branch doesn't do it
1387
# first. (Because the _real_branch's repository is set to
1388
# be the RemoteRepository.)
1389
self._real_branch.repository.leave_lock_in_place()
1390
self._real_branch.unlock()
1392
# Only write-locked branched need to make a remote method call
1393
# to perfom the unlock.
1395
assert self._lock_token, 'Locked, but no token!'
1396
branch_token = self._lock_token
1397
repo_token = self._repo_lock_token
1398
self._lock_token = None
1399
self._repo_lock_token = None
1400
if not self._leave_lock:
1401
self._unlock(branch_token, repo_token)
3690
1403
def break_lock(self):
3692
response = self._call(
3693
'Branch.break_lock', self._remote_path())
3694
except errors.UnknownSmartMethod:
3696
return self._real_branch.break_lock()
3697
if response != ('ok',):
3698
raise errors.UnexpectedSmartServerResponse(response)
1405
return self._real_branch.break_lock()
3700
1407
def leave_lock_in_place(self):
3701
1408
if not self._lock_token:
3707
1414
raise NotImplementedError(self.dont_leave_lock_in_place)
3708
1415
self._leave_lock = False
3711
def get_rev_id(self, revno, history=None):
3713
return _mod_revision.NULL_REVISION
3714
last_revision_info = self.last_revision_info()
3715
ok, result = self.repository.get_rev_id_for_revno(
3716
revno, last_revision_info)
3719
missing_parent = result[1]
3720
# Either the revision named by the server is missing, or its parent
3721
# is. Call get_parent_map to determine which, so that we report a
3723
parent_map = self.repository.get_parent_map([missing_parent])
3724
if missing_parent in parent_map:
3725
missing_parent = parent_map[missing_parent]
3726
raise errors.RevisionNotPresent(missing_parent, self.repository)
3728
def _read_last_revision_info(self):
3729
response = self._call('Branch.last_revision_info', self._remote_path())
3730
if response[0] != 'ok':
3731
raise SmartProtocolError('unexpected response code %s' % (response,))
1417
def last_revision_info(self):
1418
"""See Branch.last_revision_info()."""
1419
path = self.bzrdir._path_for_remote_call(self._client)
1420
response = self._client.call('Branch.last_revision_info', path)
1421
assert response[0] == 'ok', 'unexpected response code %s' % (response,)
3732
1422
revno = int(response[1])
3733
1423
last_revision = response[2]
3734
1424
return (revno, last_revision)
3736
1426
def _gen_revision_history(self):
3737
1427
"""See Branch._gen_revision_history()."""
3738
if self._is_stacked:
3740
return self._real_branch._gen_revision_history()
3741
response_tuple, response_handler = self._call_expecting_body(
3742
'Branch.revision_history', self._remote_path())
3743
if response_tuple[0] != 'ok':
3744
raise errors.UnexpectedSmartServerResponse(response_tuple)
3745
result = response_handler.read_body_bytes().split('\x00')
1428
path = self.bzrdir._path_for_remote_call(self._client)
1429
response = self._client.call_expecting_body(
1430
'Branch.revision_history', path)
1431
assert response[0][0] == 'ok', ('unexpected response code %s'
1433
result = response[1].read_body_bytes().split('\x00')
3746
1434
if result == ['']:
3750
def _remote_path(self):
3751
return self.bzrdir._path_for_remote_call(self._client)
3753
def _set_last_revision_descendant(self, revision_id, other_branch,
3754
allow_diverged=False, allow_overwrite_descendant=False):
3755
# This performs additional work to meet the hook contract; while its
3756
# undesirable, we have to synthesise the revno to call the hook, and
3757
# not calling the hook is worse as it means changes can't be prevented.
3758
# Having calculated this though, we can't just call into
3759
# set_last_revision_info as a simple call, because there is a set_rh
3760
# hook that some folk may still be using.
3761
old_revno, old_revid = self.last_revision_info()
3762
history = self._lefthand_history(revision_id)
3763
self._run_pre_change_branch_tip_hooks(len(history), revision_id)
3764
err_context = {'other_branch': other_branch}
3765
response = self._call('Branch.set_last_revision_ex',
3766
self._remote_path(), self._lock_token, self._repo_lock_token,
3767
revision_id, int(allow_diverged), int(allow_overwrite_descendant),
3769
self._clear_cached_state()
3770
if len(response) != 3 and response[0] != 'ok':
3771
raise errors.UnexpectedSmartServerResponse(response)
3772
new_revno, new_revision_id = response[1:]
3773
self._last_revision_info_cache = new_revno, new_revision_id
3774
self._run_post_change_branch_tip_hooks(old_revno, old_revid)
3775
if self._real_branch is not None:
3776
cache = new_revno, new_revision_id
3777
self._real_branch._last_revision_info_cache = cache
3779
def _set_last_revision(self, revision_id):
3780
old_revno, old_revid = self.last_revision_info()
3781
# This performs additional work to meet the hook contract; while its
3782
# undesirable, we have to synthesise the revno to call the hook, and
3783
# not calling the hook is worse as it means changes can't be prevented.
3784
# Having calculated this though, we can't just call into
3785
# set_last_revision_info as a simple call, because there is a set_rh
3786
# hook that some folk may still be using.
3787
history = self._lefthand_history(revision_id)
3788
self._run_pre_change_branch_tip_hooks(len(history), revision_id)
3789
self._clear_cached_state()
3790
response = self._call('Branch.set_last_revision',
3791
self._remote_path(), self._lock_token, self._repo_lock_token,
3793
if response != ('ok',):
3794
raise errors.UnexpectedSmartServerResponse(response)
3795
self._run_post_change_branch_tip_hooks(old_revno, old_revid)
3797
def _get_parent_location(self):
3798
medium = self._client._medium
3799
if medium._is_remote_before((1, 13)):
3800
return self._vfs_get_parent_location()
3802
response = self._call('Branch.get_parent', self._remote_path())
3803
except errors.UnknownSmartMethod:
3804
medium._remember_remote_is_before((1, 13))
3805
return self._vfs_get_parent_location()
3806
if len(response) != 1:
3807
raise errors.UnexpectedSmartServerResponse(response)
3808
parent_location = response[0]
3809
if parent_location == '':
3811
return parent_location
3813
def _vfs_get_parent_location(self):
3815
return self._real_branch._get_parent_location()
3817
def _set_parent_location(self, url):
3818
medium = self._client._medium
3819
if medium._is_remote_before((1, 15)):
3820
return self._vfs_set_parent_location(url)
3822
call_url = url or ''
3823
if type(call_url) is not str:
3824
raise AssertionError('url must be a str or None (%s)' % url)
3825
response = self._call('Branch.set_parent_location',
3826
self._remote_path(), self._lock_token, self._repo_lock_token,
3828
except errors.UnknownSmartMethod:
3829
medium._remember_remote_is_before((1, 15))
3830
return self._vfs_set_parent_location(url)
3832
raise errors.UnexpectedSmartServerResponse(response)
3834
def _vfs_set_parent_location(self, url):
3836
return self._real_branch._set_parent_location(url)
1439
def set_revision_history(self, rev_history):
1440
# Send just the tip revision of the history; the server will generate
1441
# the full history from that. If the revision doesn't exist in this
1442
# branch, NoSuchRevision will be raised.
1443
path = self.bzrdir._path_for_remote_call(self._client)
1444
if rev_history == []:
1447
rev_id = rev_history[-1]
1448
self._clear_cached_state()
1449
response = self._client.call('Branch.set_last_revision',
1450
path, self._lock_token, self._repo_lock_token, rev_id)
1451
if response[0] == 'NoSuchRevision':
1452
raise NoSuchRevision(self, rev_id)
1454
assert response == ('ok',), (
1455
'unexpected response code %r' % (response,))
1456
self._cache_revision_history(rev_history)
1458
def get_parent(self):
1460
return self._real_branch.get_parent()
1462
def set_parent(self, url):
1464
return self._real_branch.set_parent(url)
1466
def get_config(self):
1467
return RemoteBranchConfig(self)
1469
def sprout(self, to_bzrdir, revision_id=None):
1470
# Like Branch.sprout, except that it sprouts a branch in the default
1471
# format, because RemoteBranches can't be created at arbitrary URLs.
1472
# XXX: if to_bzrdir is a RemoteBranch, this should perhaps do
1473
# to_bzrdir.create_branch...
1475
result = self._real_branch._format.initialize(to_bzrdir)
1476
self.copy_content_into(result, revision_id=revision_id)
1477
result.set_parent(self.bzrdir.root_transport.base)
3838
1480
@needs_write_lock
3839
1481
def pull(self, source, overwrite=False, stop_revision=None,
3841
self._clear_cached_state_of_remote_branch_only()
1483
# FIXME: This asks the real branch to run the hooks, which means
1484
# they're called with the wrong target branch parameter.
1485
# The test suite specifically allows this at present but it should be
1486
# fixed. It should get a _override_hook_target branch,
1487
# as push does. -- mbp 20070405
3842
1488
self._ensure_real()
3843
return self._real_branch.pull(
1489
self._real_branch.pull(
3844
1490
source, overwrite=overwrite, stop_revision=stop_revision,
3845
_override_hook_target=self, **kwargs)
3847
1493
@needs_read_lock
3848
def push(self, target, overwrite=False, stop_revision=None, lossy=False):
1494
def push(self, target, overwrite=False, stop_revision=None):
3849
1495
self._ensure_real()
3850
1496
return self._real_branch.push(
3851
target, overwrite=overwrite, stop_revision=stop_revision, lossy=lossy,
1497
target, overwrite=overwrite, stop_revision=stop_revision,
3852
1498
_override_hook_source_branch=self)
3854
def peek_lock_mode(self):
3855
return self._lock_mode
3857
1500
def is_locked(self):
3858
1501
return self._lock_count >= 1
3861
def revision_id_to_dotted_revno(self, revision_id):
3862
"""Given a revision id, return its dotted revno.
3864
:return: a tuple like (1,) or (400,1,3).
3867
response = self._call('Branch.revision_id_to_revno',
3868
self._remote_path(), revision_id)
3869
except errors.UnknownSmartMethod:
3871
return self._real_branch.revision_id_to_dotted_revno(revision_id)
3872
if response[0] == 'ok':
3873
return tuple([int(x) for x in response[1:]])
3875
raise errors.UnexpectedSmartServerResponse(response)
3878
def revision_id_to_revno(self, revision_id):
3879
"""Given a revision id on the branch mainline, return its revno.
3884
response = self._call('Branch.revision_id_to_revno',
3885
self._remote_path(), revision_id)
3886
except errors.UnknownSmartMethod:
3888
return self._real_branch.revision_id_to_revno(revision_id)
3889
if response[0] == 'ok':
3890
if len(response) == 2:
3891
return int(response[1])
3892
raise NoSuchRevision(self, revision_id)
3894
raise errors.UnexpectedSmartServerResponse(response)
3897
1503
def set_last_revision_info(self, revno, revision_id):
3898
# XXX: These should be returned by the set_last_revision_info verb
3899
old_revno, old_revid = self.last_revision_info()
3900
self._run_pre_change_branch_tip_hooks(revno, revision_id)
3901
if not revision_id or not isinstance(revision_id, basestring):
3902
raise errors.InvalidRevisionId(revision_id=revision_id, branch=self)
3904
response = self._call('Branch.set_last_revision_info',
3905
self._remote_path(), self._lock_token, self._repo_lock_token,
3906
str(revno), revision_id)
3907
except errors.UnknownSmartMethod:
3909
self._clear_cached_state_of_remote_branch_only()
3910
self._real_branch.set_last_revision_info(revno, revision_id)
3911
self._last_revision_info_cache = revno, revision_id
3913
if response == ('ok',):
3914
self._clear_cached_state()
3915
self._last_revision_info_cache = revno, revision_id
3916
self._run_post_change_branch_tip_hooks(old_revno, old_revid)
3917
# Update the _real_branch's cache too.
3918
if self._real_branch is not None:
3919
cache = self._last_revision_info_cache
3920
self._real_branch._last_revision_info_cache = cache
3922
raise errors.UnexpectedSmartServerResponse(response)
1505
self._clear_cached_state()
1506
return self._real_branch.set_last_revision_info(revno, revision_id)
3925
1508
def generate_revision_history(self, revision_id, last_rev=None,
3926
1509
other_branch=None):
3927
medium = self._client._medium
3928
if not medium._is_remote_before((1, 6)):
3929
# Use a smart method for 1.6 and above servers
3931
self._set_last_revision_descendant(revision_id, other_branch,
3932
allow_diverged=True, allow_overwrite_descendant=True)
3934
except errors.UnknownSmartMethod:
3935
medium._remember_remote_is_before((1, 6))
3936
self._clear_cached_state_of_remote_branch_only()
3937
graph = self.repository.get_graph()
3938
(last_revno, last_revid) = self.last_revision_info()
3939
known_revision_ids = [
3940
(last_revid, last_revno),
3941
(_mod_revision.NULL_REVISION, 0),
3943
if last_rev is not None:
3944
if not graph.is_ancestor(last_rev, revision_id):
3945
# our previous tip is not merged into stop_revision
3946
raise errors.DivergedBranches(self, other_branch)
3947
revno = graph.find_distance_to_null(revision_id, known_revision_ids)
3948
self.set_last_revision_info(revno, revision_id)
1511
return self._real_branch.generate_revision_history(
1512
revision_id, last_rev=last_rev, other_branch=other_branch)
1517
return self._real_branch.tags
3950
1519
def set_push_location(self, location):
3951
self._set_config_location('push_location', location)
3953
def heads_to_fetch(self):
3954
if self._format._use_default_local_heads_to_fetch():
3955
# We recognise this format, and its heads-to-fetch implementation
3956
# is the default one (tip + tags). In this case it's cheaper to
3957
# just use the default implementation rather than a special RPC as
3958
# the tip and tags data is cached.
3959
return branch.Branch.heads_to_fetch(self)
3960
medium = self._client._medium
3961
if medium._is_remote_before((2, 4)):
3962
return self._vfs_heads_to_fetch()
3964
return self._rpc_heads_to_fetch()
3965
except errors.UnknownSmartMethod:
3966
medium._remember_remote_is_before((2, 4))
3967
return self._vfs_heads_to_fetch()
3969
def _rpc_heads_to_fetch(self):
3970
response = self._call('Branch.heads_to_fetch', self._remote_path())
3971
if len(response) != 2:
3972
raise errors.UnexpectedSmartServerResponse(response)
3973
must_fetch, if_present_fetch = response
3974
return set(must_fetch), set(if_present_fetch)
3976
def _vfs_heads_to_fetch(self):
3978
return self._real_branch.heads_to_fetch()
3981
class RemoteConfig(object):
3982
"""A Config that reads and writes from smart verbs.
3984
It is a low-level object that considers config data to be name/value pairs
3985
that may be associated with a section. Assigning meaning to the these
3986
values is done at higher levels like bzrlib.config.TreeConfig.
3989
def get_option(self, name, section=None, default=None):
3990
"""Return the value associated with a named option.
3992
:param name: The name of the value
3993
:param section: The section the option is in (if any)
3994
:param default: The value to return if the value is not set
3995
:return: The value or default value
3998
configobj = self._get_configobj()
4001
section_obj = configobj
4004
section_obj = configobj[section]
4007
if section_obj is None:
4010
value = section_obj.get(name, default)
4011
except errors.UnknownSmartMethod:
4012
value = self._vfs_get_option(name, section, default)
4013
for hook in _mod_config.OldConfigHooks['get']:
4014
hook(self, name, value)
4017
def _response_to_configobj(self, response):
4018
if len(response[0]) and response[0][0] != 'ok':
4019
raise errors.UnexpectedSmartServerResponse(response)
4020
lines = response[1].read_body_bytes().splitlines()
4021
conf = _mod_config.ConfigObj(lines, encoding='utf-8')
4022
for hook in _mod_config.OldConfigHooks['load']:
4027
class RemoteBranchConfig(RemoteConfig):
4028
"""A RemoteConfig for Branches."""
4030
def __init__(self, branch):
4031
self._branch = branch
4033
def _get_configobj(self):
4034
path = self._branch._remote_path()
4035
response = self._branch._client.call_expecting_body(
4036
'Branch.get_config_file', path)
4037
return self._response_to_configobj(response)
4039
def set_option(self, value, name, section=None):
4040
"""Set the value associated with a named option.
4042
:param value: The value to set
4043
:param name: The name of the value to set
4044
:param section: The section the option is in (if any)
4046
medium = self._branch._client._medium
4047
if medium._is_remote_before((1, 14)):
4048
return self._vfs_set_option(value, name, section)
4049
if isinstance(value, dict):
4050
if medium._is_remote_before((2, 2)):
4051
return self._vfs_set_option(value, name, section)
4052
return self._set_config_option_dict(value, name, section)
4054
return self._set_config_option(value, name, section)
4056
def _set_config_option(self, value, name, section):
4058
path = self._branch._remote_path()
4059
response = self._branch._client.call('Branch.set_config_option',
4060
path, self._branch._lock_token, self._branch._repo_lock_token,
4061
value.encode('utf8'), name, section or '')
4062
except errors.UnknownSmartMethod:
4063
medium = self._branch._client._medium
4064
medium._remember_remote_is_before((1, 14))
4065
return self._vfs_set_option(value, name, section)
4067
raise errors.UnexpectedSmartServerResponse(response)
4069
def _serialize_option_dict(self, option_dict):
4071
for key, value in option_dict.items():
4072
if isinstance(key, unicode):
4073
key = key.encode('utf8')
4074
if isinstance(value, unicode):
4075
value = value.encode('utf8')
4076
utf8_dict[key] = value
4077
return bencode.bencode(utf8_dict)
4079
def _set_config_option_dict(self, value, name, section):
4081
path = self._branch._remote_path()
4082
serialised_dict = self._serialize_option_dict(value)
4083
response = self._branch._client.call(
4084
'Branch.set_config_option_dict',
4085
path, self._branch._lock_token, self._branch._repo_lock_token,
4086
serialised_dict, name, section or '')
4087
except errors.UnknownSmartMethod:
4088
medium = self._branch._client._medium
4089
medium._remember_remote_is_before((2, 2))
4090
return self._vfs_set_option(value, name, section)
4092
raise errors.UnexpectedSmartServerResponse(response)
4094
def _real_object(self):
4095
self._branch._ensure_real()
4096
return self._branch._real_branch
4098
def _vfs_set_option(self, value, name, section=None):
4099
return self._real_object()._get_config().set_option(
4100
value, name, section)
4103
class RemoteBzrDirConfig(RemoteConfig):
4104
"""A RemoteConfig for BzrDirs."""
4106
def __init__(self, bzrdir):
4107
self._bzrdir = bzrdir
4109
def _get_configobj(self):
4110
medium = self._bzrdir._client._medium
4111
verb = 'BzrDir.get_config_file'
4112
if medium._is_remote_before((1, 15)):
4113
raise errors.UnknownSmartMethod(verb)
4114
path = self._bzrdir._path_for_remote_call(self._bzrdir._client)
4115
response = self._bzrdir._call_expecting_body(
4117
return self._response_to_configobj(response)
4119
def _vfs_get_option(self, name, section, default):
4120
return self._real_object()._get_config().get_option(
4121
name, section, default)
4123
def set_option(self, value, name, section=None):
4124
"""Set the value associated with a named option.
4126
:param value: The value to set
4127
:param name: The name of the value to set
4128
:param section: The section the option is in (if any)
4130
return self._real_object()._get_config().set_option(
4131
value, name, section)
4133
def _real_object(self):
4134
self._bzrdir._ensure_real()
4135
return self._bzrdir._real_bzrdir
1521
return self._real_branch.set_push_location(location)
1523
def update_revisions(self, other, stop_revision=None, overwrite=False):
1525
return self._real_branch.update_revisions(
1526
other, stop_revision=stop_revision, overwrite=overwrite)
1529
class RemoteBranchConfig(BranchConfig):
1532
self.branch._ensure_real()
1533
return self.branch._real_branch.get_config().username()
1535
def _get_branch_data_config(self):
1536
self.branch._ensure_real()
1537
if self._branch_data_config is None:
1538
self._branch_data_config = TreeConfig(self.branch._real_branch)
1539
return self._branch_data_config
4138
1542
def _extract_tar(tar, to_dir):
4143
1547
for tarinfo in tar:
4144
1548
tar.extract(tarinfo, to_dir)
4147
error_translators = registry.Registry()
4148
no_context_error_translators = registry.Registry()
4151
def _translate_error(err, **context):
4152
"""Translate an ErrorFromSmartServer into a more useful error.
4154
Possible context keys:
4162
If the error from the server doesn't match a known pattern, then
4163
UnknownErrorFromSmartServer is raised.
4167
return context[name]
4168
except KeyError, key_err:
4169
mutter('Missing key %r in context %r', key_err.args[0], context)
4172
"""Get the path from the context if present, otherwise use first error
4176
return context['path']
4177
except KeyError, key_err:
4179
return err.error_args[0]
4180
except IndexError, idx_err:
4182
'Missing key %r in context %r', key_err.args[0], context)
4186
translator = error_translators.get(err.error_verb)
4190
raise translator(err, find, get_path)
4192
translator = no_context_error_translators.get(err.error_verb)
4194
raise errors.UnknownErrorFromSmartServer(err)
4196
raise translator(err)
4199
error_translators.register('NoSuchRevision',
4200
lambda err, find, get_path: NoSuchRevision(
4201
find('branch'), err.error_args[0]))
4202
error_translators.register('nosuchrevision',
4203
lambda err, find, get_path: NoSuchRevision(
4204
find('repository'), err.error_args[0]))
4206
def _translate_nobranch_error(err, find, get_path):
4207
if len(err.error_args) >= 1:
4208
extra = err.error_args[0]
4211
return errors.NotBranchError(path=find('bzrdir').root_transport.base,
4214
error_translators.register('nobranch', _translate_nobranch_error)
4215
error_translators.register('norepository',
4216
lambda err, find, get_path: errors.NoRepositoryPresent(
4218
error_translators.register('UnlockableTransport',
4219
lambda err, find, get_path: errors.UnlockableTransport(
4220
find('bzrdir').root_transport))
4221
error_translators.register('TokenMismatch',
4222
lambda err, find, get_path: errors.TokenMismatch(
4223
find('token'), '(remote token)'))
4224
error_translators.register('Diverged',
4225
lambda err, find, get_path: errors.DivergedBranches(
4226
find('branch'), find('other_branch')))
4227
error_translators.register('NotStacked',
4228
lambda err, find, get_path: errors.NotStacked(branch=find('branch')))
4230
def _translate_PermissionDenied(err, find, get_path):
4232
if len(err.error_args) >= 2:
4233
extra = err.error_args[1]
4236
return errors.PermissionDenied(path, extra=extra)
4238
error_translators.register('PermissionDenied', _translate_PermissionDenied)
4239
error_translators.register('ReadError',
4240
lambda err, find, get_path: errors.ReadError(get_path()))
4241
error_translators.register('NoSuchFile',
4242
lambda err, find, get_path: errors.NoSuchFile(get_path()))
4243
error_translators.register('TokenLockingNotSupported',
4244
lambda err, find, get_path: errors.TokenLockingNotSupported(
4245
find('repository')))
4246
error_translators.register('UnsuspendableWriteGroup',
4247
lambda err, find, get_path: errors.UnsuspendableWriteGroup(
4248
repository=find('repository')))
4249
error_translators.register('UnresumableWriteGroup',
4250
lambda err, find, get_path: errors.UnresumableWriteGroup(
4251
repository=find('repository'), write_groups=err.error_args[0],
4252
reason=err.error_args[1]))
4253
no_context_error_translators.register('IncompatibleRepositories',
4254
lambda err: errors.IncompatibleRepositories(
4255
err.error_args[0], err.error_args[1], err.error_args[2]))
4256
no_context_error_translators.register('LockContention',
4257
lambda err: errors.LockContention('(remote lock)'))
4258
no_context_error_translators.register('LockFailed',
4259
lambda err: errors.LockFailed(err.error_args[0], err.error_args[1]))
4260
no_context_error_translators.register('TipChangeRejected',
4261
lambda err: errors.TipChangeRejected(err.error_args[0].decode('utf8')))
4262
no_context_error_translators.register('UnstackableBranchFormat',
4263
lambda err: errors.UnstackableBranchFormat(*err.error_args))
4264
no_context_error_translators.register('UnstackableRepositoryFormat',
4265
lambda err: errors.UnstackableRepositoryFormat(*err.error_args))
4266
no_context_error_translators.register('FileExists',
4267
lambda err: errors.FileExists(err.error_args[0]))
4268
no_context_error_translators.register('DirectoryNotEmpty',
4269
lambda err: errors.DirectoryNotEmpty(err.error_args[0]))
4271
def _translate_short_readv_error(err):
4272
args = err.error_args
4273
return errors.ShortReadvError(args[0], int(args[1]), int(args[2]),
4276
no_context_error_translators.register('ShortReadvError',
4277
_translate_short_readv_error)
4279
def _translate_unicode_error(err):
4280
encoding = str(err.error_args[0]) # encoding must always be a string
4281
val = err.error_args[1]
4282
start = int(err.error_args[2])
4283
end = int(err.error_args[3])
4284
reason = str(err.error_args[4]) # reason must always be a string
4285
if val.startswith('u:'):
4286
val = val[2:].decode('utf-8')
4287
elif val.startswith('s:'):
4288
val = val[2:].decode('base64')
4289
if err.error_verb == 'UnicodeDecodeError':
4290
raise UnicodeDecodeError(encoding, val, start, end, reason)
4291
elif err.error_verb == 'UnicodeEncodeError':
4292
raise UnicodeEncodeError(encoding, val, start, end, reason)
4294
no_context_error_translators.register('UnicodeEncodeError',
4295
_translate_unicode_error)
4296
no_context_error_translators.register('UnicodeDecodeError',
4297
_translate_unicode_error)
4298
no_context_error_translators.register('ReadOnlyError',
4299
lambda err: errors.TransportNotPossible('readonly transport'))
4300
no_context_error_translators.register('MemoryError',
4301
lambda err: errors.BzrError("remote server out of memory\n"
4302
"Retry non-remotely, or contact the server admin for details."))
4303
no_context_error_translators.register('RevisionNotPresent',
4304
lambda err: errors.RevisionNotPresent(err.error_args[0], err.error_args[1]))
4306
no_context_error_translators.register('BzrCheckError',
4307
lambda err: errors.BzrCheckError(msg=err.error_args[0]))
added
removed
bzrlib/remote.py
