14
14
# along with this program; if not, write to the Free Software
15
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
# TODO: At some point, handle upgrades by just passing the whole request
18
# across to run on the server.
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22
from bzrlib import (
30
repository as _mod_repository,
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revision as _mod_revision,
36
from bzrlib.branch import BranchReferenceFormat, BranchWriteLockResult
37
from bzrlib.branch import BranchReferenceFormat
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from bzrlib.bzrdir import BzrDir, RemoteBzrDirFormat
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from bzrlib.decorators import needs_read_lock, needs_write_lock, only_raises
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from bzrlib.decorators import needs_read_lock, needs_write_lock
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from bzrlib.errors import (
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SmartProtocolError,
62
63
except errors.ErrorFromSmartServer, err:
63
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self._translate_error(err, **err_context)
65
def _call_with_body_bytes(self, method, args, body_bytes, **err_context):
67
return self._client.call_with_body_bytes(method, args, body_bytes)
68
except errors.ErrorFromSmartServer, err:
69
self._translate_error(err, **err_context)
71
66
def _call_with_body_bytes_expecting_body(self, method, args, body_bytes,
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self._client = client._SmartClient(medium)
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self._client = _client
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return '%s(%r)' % (self.__class__.__name__, self._client)
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def _probe_bzrdir(self):
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medium = self._client._medium
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path = self._path_for_remote_call(self._client)
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if medium._is_remote_before((2, 1)):
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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)
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elif response[0] == 'yes':
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if response[1] == 'yes':
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self._has_working_tree = True
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elif response[1] == 'no':
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self._has_working_tree = False
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raise errors.UnexpectedSmartServerResponse(response)
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raise errors.UnexpectedSmartServerResponse(response)
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def _rpc_open(self, path):
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response = self._call('BzrDir.open', path)
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if response not in [('yes',), ('no',)]:
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raise errors.UnexpectedSmartServerResponse(response)
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if response == ('no',):
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raise errors.NotBranchError(path=self.root_transport.base)
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raise errors.NotBranchError(path=transport.base)
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def _ensure_real(self):
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"""Ensure that there is a _real_bzrdir set.
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self._ensure_real()
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self._real_bzrdir.destroy_repository()
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def create_branch(self, name=None):
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def create_branch(self):
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# as per meta1 formats - just delegate to the format object which may
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# be parameterised.
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real_branch = self._format.get_branch_format().initialize(self,
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real_branch = self._format.get_branch_format().initialize(self)
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if not isinstance(real_branch, RemoteBranch):
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result = RemoteBranch(self, self.find_repository(), real_branch,
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result = RemoteBranch(self, self.find_repository(), real_branch)
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result = real_branch
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# BzrDir.clone_on_transport() uses the result of create_branch but does
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def _get_branch_reference(self):
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path = self._path_for_remote_call(self._client)
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medium = self._client._medium
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('BzrDir.open_branchV3', (2, 1)),
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('BzrDir.open_branchV2', (1, 13)),
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('BzrDir.open_branch', None),
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for verb, required_version in candidate_calls:
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if required_version and medium._is_remote_before(required_version):
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if not medium._is_remote_before((1, 13)):
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response = self._call(verb, path)
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response = self._call('BzrDir.open_branchV2', path)
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if response[0] not in ('ref', 'branch'):
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raise errors.UnexpectedSmartServerResponse(response)
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except errors.UnknownSmartMethod:
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if required_version is None:
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medium._remember_remote_is_before(required_version)
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if verb == 'BzrDir.open_branch':
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if response[0] != 'ok':
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raise errors.UnexpectedSmartServerResponse(response)
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if response[1] != '':
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return ('ref', response[1])
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return ('branch', '')
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if response[0] not in ('ref', 'branch'):
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medium._remember_remote_is_before((1, 13))
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response = self._call('BzrDir.open_branch', path)
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if response[0] != 'ok':
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raise errors.UnexpectedSmartServerResponse(response)
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if response[1] != '':
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return ('ref', response[1])
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return ('branch', '')
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def _get_tree_branch(self):
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"""See BzrDir._get_tree_branch()."""
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return None, self.open_branch()
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def open_branch(self, name=None, unsupported=False,
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ignore_fallbacks=False):
270
def open_branch(self, _unsupported=False, ignore_fallbacks=False):
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raise NotImplementedError('unsupported flag support not implemented yet.')
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if self._next_open_branch_result is not None:
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# See create_branch for details.
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if response[0] == 'ref':
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# a branch reference, use the existing BranchReference logic.
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format = BranchReferenceFormat()
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return format.open(self, name=name, _found=True,
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location=response[1], ignore_fallbacks=ignore_fallbacks)
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return format.open(self, _found=True, location=response[1],
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ignore_fallbacks=ignore_fallbacks)
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branch_format_name = response[1]
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if not branch_format_name:
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branch_format_name = None
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format = RemoteBranchFormat(network_name=branch_format_name)
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return RemoteBranch(self, self.find_repository(), format=format,
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setup_stacking=not ignore_fallbacks, name=name)
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setup_stacking=not ignore_fallbacks)
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def _open_repo_v1(self, path):
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verb = 'BzrDir.find_repository'
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return self._custom_format._fetch_reconcile
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def get_format_description(self):
625
return 'Remote: ' + self._custom_format.get_format_description()
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return 'bzr remote repository'
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def __eq__(self, other):
628
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return self.__class__ is other.__class__
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def check_conversion_target(self, target_format):
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if self.rich_root_data and not target_format.rich_root_data:
557
raise errors.BadConversionTarget(
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'Does not support rich root data.', target_format)
559
if (self.supports_tree_reference and
560
not getattr(target_format, 'supports_tree_reference', False)):
561
raise errors.BadConversionTarget(
562
'Does not support nested trees', target_format)
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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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self._ensure_real()
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return self._real_repository.suspend_write_group()
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def get_missing_parent_inventories(self, check_for_missing_texts=True):
758
return self._real_repository.get_missing_parent_inventories(
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check_for_missing_texts=check_for_missing_texts)
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def _get_rev_id_for_revno_vfs(self, revno, known_pair):
763
return self._real_repository.get_rev_id_for_revno(
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def get_rev_id_for_revno(self, revno, known_pair):
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"""See Repository.get_rev_id_for_revno."""
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path = self.bzrdir._path_for_remote_call(self._client)
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if self._client._medium._is_remote_before((1, 17)):
771
return self._get_rev_id_for_revno_vfs(revno, known_pair)
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response = self._call(
773
'Repository.get_rev_id_for_revno', path, revno, known_pair)
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except errors.UnknownSmartMethod:
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self._client._medium._remember_remote_is_before((1, 17))
776
return self._get_rev_id_for_revno_vfs(revno, known_pair)
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if response[0] == 'ok':
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return True, response[1]
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elif response[0] == 'history-incomplete':
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known_pair = response[1:3]
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for fallback in self._fallback_repositories:
782
found, result = fallback.get_rev_id_for_revno(revno, known_pair)
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# Not found in any fallbacks
788
return False, known_pair
790
raise errors.UnexpectedSmartServerResponse(response)
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def get_missing_parent_inventories(self):
675
return self._real_repository.get_missing_parent_inventories()
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def _ensure_real(self):
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"""Ensure that there is a _real_repository set.
893
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result.add(_mod_revision.NULL_REVISION)
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def _has_same_fallbacks(self, other_repo):
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"""Returns true if the repositories have the same fallbacks."""
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# XXX: copied from Repository; it should be unified into a base class
899
# <https://bugs.edge.launchpad.net/bzr/+bug/401622>
900
my_fb = self._fallback_repositories
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other_fb = other_repo._fallback_repositories
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if len(my_fb) != len(other_fb):
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for f, g in zip(my_fb, other_fb):
905
if not f.has_same_location(g):
909
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def has_same_location(self, other):
910
# TODO: Move to RepositoryBase and unify with the regular Repository
911
# one; unfortunately the tests rely on slightly different behaviour at
912
# present -- mbp 20090710
913
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return (self.__class__ is other.__class__ and
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self.bzrdir.transport.base == other.bzrdir.transport.base)
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783
parents_provider = self._make_parents_provider(other_repository)
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return graph.Graph(parents_provider)
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def get_known_graph_ancestry(self, revision_ids):
923
"""Return the known graph for a set of revision ids and their ancestors.
925
st = static_tuple.StaticTuple
926
revision_keys = [st(r_id).intern() for r_id in revision_ids]
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known_graph = self.revisions.get_known_graph_ancestry(revision_keys)
928
return graph.GraphThunkIdsToKeys(known_graph)
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def gather_stats(self, revid=None, committers=None):
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"""See Repository.gather_stats()."""
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path = self.bzrdir._path_for_remote_call(self._client)
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def is_write_locked(self):
993
849
return self._lock_mode == 'w'
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def _warn_if_deprecated(self, branch=None):
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# If we have a real repository, the check will be done there, if we
997
# don't the check will be done remotely.
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def lock_read(self):
1001
"""Lock the repository for read operations.
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:return: A bzrlib.lock.LogicalLockResult.
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# wrong eventually - want a local lock cache context
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if not self._lock_mode:
1007
self._note_lock('r')
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854
self._lock_mode = 'r'
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855
self._lock_count = 1
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self._unstacked_provider.enable_cache(cache_misses=True)
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if self._real_repository is not None:
1012
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self._real_repository.lock_read()
1013
for repo in self._fallback_repositories:
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860
self._lock_count += 1
1017
return lock.LogicalLockResult(self.unlock)
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for repo in self._fallback_repositories:
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def _remote_lock_write(self, token):
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865
path = self.bzrdir._path_for_remote_call(self._client)
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# We need to accumulate additional repositories here, to pass them in
1242
1081
# on various RPC's.
1244
if self.is_locked():
1245
# We will call fallback.unlock() when we transition to the unlocked
1246
# state, so always add a lock here. If a caller passes us a locked
1247
# repository, they are responsible for unlocking it later.
1248
repository.lock_read()
1249
self._check_fallback_repository(repository)
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self._fallback_repositories.append(repository)
1251
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# If self._real_repository was parameterised already (e.g. because a
1252
1085
# _real_branch had its get_stacked_on_url method called), then the
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# repository to be added may already be in the _real_repositories list.
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if self._real_repository is not None:
1255
fallback_locations = [repo.user_url for repo in
1088
fallback_locations = [repo.bzrdir.root_transport.base for repo in
1256
1089
self._real_repository._fallback_repositories]
1257
if repository.user_url not in fallback_locations:
1090
if repository.bzrdir.root_transport.base not in fallback_locations:
1258
1091
self._real_repository.add_fallback_repository(repository)
1260
def _check_fallback_repository(self, repository):
1261
"""Check that this repository can fallback to repository safely.
1263
Raise an error if not.
1265
:param repository: A repository to fallback to.
1267
return _mod_repository.InterRepository._assert_same_model(
1270
1093
def add_inventory(self, revid, inv, parents):
1271
1094
self._ensure_real()
1272
1095
return self._real_repository.add_inventory(revid, inv, parents)
1274
1097
def add_inventory_by_delta(self, basis_revision_id, delta, new_revision_id,
1275
parents, basis_inv=None, propagate_caches=False):
1276
1099
self._ensure_real()
1277
1100
return self._real_repository.add_inventory_by_delta(basis_revision_id,
1278
delta, new_revision_id, parents, basis_inv=basis_inv,
1279
propagate_caches=propagate_caches)
1101
delta, new_revision_id, parents)
1281
1103
def add_revision(self, rev_id, rev, inv=None, config=None):
1282
1104
self._ensure_real()
1788
1610
def insert_stream(self, stream, src_format, resume_tokens):
1789
1611
target = self.target_repo
1790
1612
target._unstacked_provider.missing_keys.clear()
1791
candidate_calls = [('Repository.insert_stream_1.19', (1, 19))]
1792
1613
if target._lock_token:
1793
candidate_calls.append(('Repository.insert_stream_locked', (1, 14)))
1794
lock_args = (target._lock_token or '',)
1614
verb = 'Repository.insert_stream_locked'
1615
extra_args = (target._lock_token or '',)
1616
required_version = (1, 14)
1796
candidate_calls.append(('Repository.insert_stream', (1, 13)))
1618
verb = 'Repository.insert_stream'
1620
required_version = (1, 13)
1798
1621
client = target._client
1799
1622
medium = client._medium
1623
if medium._is_remote_before(required_version):
1624
# No possible way this can work.
1625
return self._insert_real(stream, src_format, resume_tokens)
1800
1626
path = target.bzrdir._path_for_remote_call(client)
1801
# Probe for the verb to use with an empty stream before sending the
1802
# real stream to it. We do this both to avoid the risk of sending a
1803
# large request that is then rejected, and because we don't want to
1804
# implement a way to buffer, rewind, or restart the stream.
1806
for verb, required_version in candidate_calls:
1807
if medium._is_remote_before(required_version):
1810
# We've already done the probing (and set _is_remote_before) on
1811
# a previous insert.
1627
if not resume_tokens:
1628
# XXX: Ugly but important for correctness, *will* be fixed during
1629
# 1.13 cycle. Pushing a stream that is interrupted results in a
1630
# fallback to the _real_repositories sink *with a partial stream*.
1631
# Thats bad because we insert less data than bzr expected. To avoid
1632
# this we do a trial push to make sure the verb is accessible, and
1633
# do not fallback when actually pushing the stream. A cleanup patch
1634
# is going to look at rewinding/restarting the stream/partial
1814
1636
byte_stream = smart_repo._stream_to_byte_stream([], src_format)
1816
1638
response = client.call_with_body_stream(
1817
(verb, path, '') + lock_args, byte_stream)
1639
(verb, path, '') + extra_args, byte_stream)
1818
1640
except errors.UnknownSmartMethod:
1819
1641
medium._remember_remote_is_before(required_version)
1825
return self._insert_real(stream, src_format, resume_tokens)
1826
self._last_inv_record = None
1827
self._last_substream = None
1828
if required_version < (1, 19):
1829
# Remote side doesn't support inventory deltas. Wrap the stream to
1830
# make sure we don't send any. If the stream contains inventory
1831
# deltas we'll interrupt the smart insert_stream request and
1833
stream = self._stop_stream_if_inventory_delta(stream)
1642
return self._insert_real(stream, src_format, resume_tokens)
1834
1643
byte_stream = smart_repo._stream_to_byte_stream(
1835
1644
stream, src_format)
1836
1645
resume_tokens = ' '.join(resume_tokens)
1837
1646
response = client.call_with_body_stream(
1838
(verb, path, resume_tokens) + lock_args, byte_stream)
1647
(verb, path, resume_tokens) + extra_args, byte_stream)
1839
1648
if response[0][0] not in ('ok', 'missing-basis'):
1840
1649
raise errors.UnexpectedSmartServerResponse(response)
1841
if self._last_substream is not None:
1842
# The stream included an inventory-delta record, but the remote
1843
# side isn't new enough to support them. So we need to send the
1844
# rest of the stream via VFS.
1845
self.target_repo.refresh_data()
1846
return self._resume_stream_with_vfs(response, src_format)
1847
1650
if response[0][0] == 'missing-basis':
1848
1651
tokens, missing_keys = bencode.bdecode_as_tuple(response[0][1])
1849
1652
resume_tokens = tokens
1852
1655
self.target_repo.refresh_data()
1853
1656
return [], set()
1855
def _resume_stream_with_vfs(self, response, src_format):
1856
"""Resume sending a stream via VFS, first resending the record and
1857
substream that couldn't be sent via an insert_stream verb.
1859
if response[0][0] == 'missing-basis':
1860
tokens, missing_keys = bencode.bdecode_as_tuple(response[0][1])
1861
# Ignore missing_keys, we haven't finished inserting yet
1864
def resume_substream():
1865
# Yield the substream that was interrupted.
1866
for record in self._last_substream:
1868
self._last_substream = None
1869
def resume_stream():
1870
# Finish sending the interrupted substream
1871
yield ('inventory-deltas', resume_substream())
1872
# Then simply continue sending the rest of the stream.
1873
for substream_kind, substream in self._last_stream:
1874
yield substream_kind, substream
1875
return self._insert_real(resume_stream(), src_format, tokens)
1877
def _stop_stream_if_inventory_delta(self, stream):
1878
"""Normally this just lets the original stream pass-through unchanged.
1880
However if any 'inventory-deltas' substream occurs it will stop
1881
streaming, and store the interrupted substream and stream in
1882
self._last_substream and self._last_stream so that the stream can be
1883
resumed by _resume_stream_with_vfs.
1886
stream_iter = iter(stream)
1887
for substream_kind, substream in stream_iter:
1888
if substream_kind == 'inventory-deltas':
1889
self._last_substream = substream
1890
self._last_stream = stream_iter
1893
yield substream_kind, substream
1896
1659
class RemoteStreamSource(repository.StreamSource):
1897
1660
"""Stream data from a remote server."""
1900
1663
if (self.from_repository._fallback_repositories and
1901
1664
self.to_format._fetch_order == 'topological'):
1902
1665
return self._real_stream(self.from_repository, search)
1905
repos = [self.from_repository]
1911
repos.extend(repo._fallback_repositories)
1912
sources.append(repo)
1913
return self.missing_parents_chain(search, sources)
1915
def get_stream_for_missing_keys(self, missing_keys):
1916
self.from_repository._ensure_real()
1917
real_repo = self.from_repository._real_repository
1918
real_source = real_repo._get_source(self.to_format)
1919
return real_source.get_stream_for_missing_keys(missing_keys)
1666
return self.missing_parents_chain(search, [self.from_repository] +
1667
self.from_repository._fallback_repositories)
1921
1669
def _real_stream(self, repo, search):
1922
1670
"""Get a stream for search from repo.
1953
1700
return self._real_stream(repo, search)
1954
1701
client = repo._client
1955
1702
medium = client._medium
1703
if medium._is_remote_before((1, 13)):
1704
# streaming was added in 1.13
1705
return self._real_stream(repo, search)
1956
1706
path = repo.bzrdir._path_for_remote_call(client)
1957
search_bytes = repo._serialise_search_result(search)
1958
args = (path, self.to_format.network_name())
1960
('Repository.get_stream_1.19', (1, 19)),
1961
('Repository.get_stream', (1, 13))]
1963
for verb, version in candidate_verbs:
1964
if medium._is_remote_before(version):
1967
response = repo._call_with_body_bytes_expecting_body(
1968
verb, args, search_bytes)
1969
except errors.UnknownSmartMethod:
1970
medium._remember_remote_is_before(version)
1972
response_tuple, response_handler = response
1708
search_bytes = repo._serialise_search_result(search)
1709
response = repo._call_with_body_bytes_expecting_body(
1710
'Repository.get_stream',
1711
(path, self.to_format.network_name()), search_bytes)
1712
response_tuple, response_handler = response
1713
except errors.UnknownSmartMethod:
1714
medium._remember_remote_is_before((1,13))
1976
1715
return self._real_stream(repo, search)
1977
1716
if response_tuple[0] != 'ok':
1978
1717
raise errors.UnexpectedSmartServerResponse(response_tuple)
2059
1797
self._network_name)
2061
1799
def get_format_description(self):
2063
return 'Remote: ' + self._custom_format.get_format_description()
1800
return 'Remote BZR Branch'
2065
1802
def network_name(self):
2066
1803
return self._network_name
2068
def open(self, a_bzrdir, name=None, ignore_fallbacks=False):
2069
return a_bzrdir.open_branch(name=name,
2070
ignore_fallbacks=ignore_fallbacks)
1805
def open(self, a_bzrdir, ignore_fallbacks=False):
1806
return a_bzrdir.open_branch(ignore_fallbacks=ignore_fallbacks)
2072
def _vfs_initialize(self, a_bzrdir, name):
1808
def _vfs_initialize(self, a_bzrdir):
2073
1809
# Initialisation when using a local bzrdir object, or a non-vfs init
2074
1810
# method is not available on the server.
2075
1811
# self._custom_format is always set - the start of initialize ensures
2077
1813
if isinstance(a_bzrdir, RemoteBzrDir):
2078
1814
a_bzrdir._ensure_real()
2079
result = self._custom_format.initialize(a_bzrdir._real_bzrdir,
1815
result = self._custom_format.initialize(a_bzrdir._real_bzrdir)
2082
1817
# We assume the bzrdir is parameterised; it may not be.
2083
result = self._custom_format.initialize(a_bzrdir, name)
1818
result = self._custom_format.initialize(a_bzrdir)
2084
1819
if (isinstance(a_bzrdir, RemoteBzrDir) and
2085
1820
not isinstance(result, RemoteBranch)):
2086
result = RemoteBranch(a_bzrdir, a_bzrdir.find_repository(), result,
1821
result = RemoteBranch(a_bzrdir, a_bzrdir.find_repository(), result)
2090
def initialize(self, a_bzrdir, name=None):
1824
def initialize(self, a_bzrdir):
2091
1825
# 1) get the network name to use.
2092
1826
if self._custom_format:
2093
1827
network_name = self._custom_format.network_name()
2099
1833
network_name = reference_format.network_name()
2100
1834
# Being asked to create on a non RemoteBzrDir:
2101
1835
if not isinstance(a_bzrdir, RemoteBzrDir):
2102
return self._vfs_initialize(a_bzrdir, name=name)
1836
return self._vfs_initialize(a_bzrdir)
2103
1837
medium = a_bzrdir._client._medium
2104
1838
if medium._is_remote_before((1, 13)):
2105
return self._vfs_initialize(a_bzrdir, name=name)
1839
return self._vfs_initialize(a_bzrdir)
2106
1840
# Creating on a remote bzr dir.
2107
1841
# 2) try direct creation via RPC
2108
1842
path = a_bzrdir._path_for_remote_call(a_bzrdir._client)
2109
if name is not None:
2110
# XXX JRV20100304: Support creating colocated branches
2111
raise errors.NoColocatedBranchSupport(self)
2112
1843
verb = 'BzrDir.create_branch'
2114
1845
response = a_bzrdir._call(verb, path, network_name)
2115
1846
except errors.UnknownSmartMethod:
2116
1847
# Fallback - use vfs methods
2117
1848
medium._remember_remote_is_before((1, 13))
2118
return self._vfs_initialize(a_bzrdir, name=name)
1849
return self._vfs_initialize(a_bzrdir)
2119
1850
if response[0] != 'ok':
2120
1851
raise errors.UnexpectedSmartServerResponse(response)
2121
1852
# Turn the response into a RemoteRepository object.
2150
1881
self._ensure_real()
2151
1882
return self._custom_format.supports_stacking()
2153
def supports_set_append_revisions_only(self):
2155
return self._custom_format.supports_set_append_revisions_only()
2158
class RemoteBranch(branch.Branch, _RpcHelper, lock._RelockDebugMixin):
1885
class RemoteBranch(branch.Branch, _RpcHelper):
2159
1886
"""Branch stored on a server accessed by HPSS RPC.
2161
1888
At the moment most operations are mapped down to simple file operations.
2164
1891
def __init__(self, remote_bzrdir, remote_repository, real_branch=None,
2165
_client=None, format=None, setup_stacking=True, name=None):
1892
_client=None, format=None, setup_stacking=True):
2166
1893
"""Create a RemoteBranch instance.
2168
1895
:param real_branch: An optional local implementation of the branch
2174
1901
:param setup_stacking: If True make an RPC call to determine the
2175
1902
stacked (or not) status of the branch. If False assume the branch
2176
1903
is not stacked.
2177
:param name: Colocated branch name
2179
1905
# We intentionally don't call the parent class's __init__, because it
2180
1906
# will try to assign to self.tags, which is a property in this subclass.
2181
1907
# And the parent's __init__ doesn't do much anyway.
1908
self._revision_id_to_revno_cache = None
1909
self._partial_revision_id_to_revno_cache = {}
1910
self._revision_history_cache = None
1911
self._last_revision_info_cache = None
1912
self._merge_sorted_revisions_cache = None
2182
1913
self.bzrdir = remote_bzrdir
2183
1914
if _client is not None:
2184
1915
self._client = _client
2374
2089
return self._vfs_get_tags_bytes()
2375
2090
return response[0]
2377
def _vfs_set_tags_bytes(self, bytes):
2379
return self._real_branch._set_tags_bytes(bytes)
2381
def _set_tags_bytes(self, bytes):
2382
medium = self._client._medium
2383
if medium._is_remote_before((1, 18)):
2384
self._vfs_set_tags_bytes(bytes)
2388
self._remote_path(), self._lock_token, self._repo_lock_token)
2389
response = self._call_with_body_bytes(
2390
'Branch.set_tags_bytes', args, bytes)
2391
except errors.UnknownSmartMethod:
2392
medium._remember_remote_is_before((1, 18))
2393
self._vfs_set_tags_bytes(bytes)
2395
2092
def lock_read(self):
2396
"""Lock the branch for read operations.
2398
:return: A bzrlib.lock.LogicalLockResult.
2400
2093
self.repository.lock_read()
2401
2094
if not self._lock_mode:
2402
self._note_lock('r')
2403
2095
self._lock_mode = 'r'
2404
2096
self._lock_count = 1
2405
2097
if self._real_branch is not None:
2406
2098
self._real_branch.lock_read()
2408
2100
self._lock_count += 1
2409
return lock.LogicalLockResult(self.unlock)
2411
2102
def _remote_lock_write(self, token):
2412
2103
if token is None:
2413
2104
branch_token = repo_token = ''
2415
2106
branch_token = token
2416
repo_token = self.repository.lock_write().repository_token
2107
repo_token = self.repository.lock_write()
2417
2108
self.repository.unlock()
2418
2109
err_context = {'token': token}
2419
2110
response = self._call(
2513
2206
raise NotImplementedError(self.dont_leave_lock_in_place)
2514
2207
self._leave_lock = False
2517
def get_rev_id(self, revno, history=None):
2519
return _mod_revision.NULL_REVISION
2520
last_revision_info = self.last_revision_info()
2521
ok, result = self.repository.get_rev_id_for_revno(
2522
revno, last_revision_info)
2525
missing_parent = result[1]
2526
# Either the revision named by the server is missing, or its parent
2527
# is. Call get_parent_map to determine which, so that we report a
2529
parent_map = self.repository.get_parent_map([missing_parent])
2530
if missing_parent in parent_map:
2531
missing_parent = parent_map[missing_parent]
2532
raise errors.RevisionNotPresent(missing_parent, self.repository)
2534
2209
def _last_revision_info(self):
2535
2210
response = self._call('Branch.last_revision_info', self._remote_path())
2536
2211
if response[0] != 'ok':
2884
2556
'Missing key %r in context %r', key_err.args[0], context)
2887
if err.error_verb == 'IncompatibleRepositories':
2888
raise errors.IncompatibleRepositories(err.error_args[0],
2889
err.error_args[1], err.error_args[2])
2890
elif err.error_verb == 'NoSuchRevision':
2559
if err.error_verb == 'NoSuchRevision':
2891
2560
raise NoSuchRevision(find('branch'), err.error_args[0])
2892
2561
elif err.error_verb == 'nosuchrevision':
2893
2562
raise NoSuchRevision(find('repository'), err.error_args[0])
2894
elif err.error_verb == 'nobranch':
2895
if len(err.error_args) >= 1:
2896
extra = err.error_args[0]
2899
raise errors.NotBranchError(path=find('bzrdir').root_transport.base,
2563
elif err.error_tuple == ('nobranch',):
2564
raise errors.NotBranchError(path=find('bzrdir').root_transport.base)
2901
2565
elif err.error_verb == 'norepository':
2902
2566
raise errors.NoRepositoryPresent(find('bzrdir'))
2903
2567
elif err.error_verb == 'LockContention':
added
removed
bzrlib/remote.py
