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  • Committer: Ian Clatworthy
  • Date: 2010-03-04 04:15:18 UTC
  • mto: (5094.1.1 integration)
  • mto: This revision was merged to the branch mainline in revision 5096.
  • Revision ID: ian.clatworthy@canonical.com-20100304041518-vf8v1ivn8jrh9fs5
Initial cut at a What's New in 2.2 document

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added added

removed removed

Lines of Context:
27
27
    lock,
28
28
    lockdir,
29
29
    repository,
30
 
    repository as _mod_repository,
31
30
    revision,
32
31
    revision as _mod_revision,
33
 
    static_tuple,
34
32
    symbol_versioning,
35
33
)
36
 
from bzrlib.branch import BranchReferenceFormat, BranchWriteLockResult
 
34
from bzrlib.branch import BranchReferenceFormat
37
35
from bzrlib.bzrdir import BzrDir, RemoteBzrDirFormat
38
36
from bzrlib.decorators import needs_read_lock, needs_write_lock, only_raises
39
37
from bzrlib.errors import (
43
41
from bzrlib.lockable_files import LockableFiles
44
42
from bzrlib.smart import client, vfs, repository as smart_repo
45
43
from bzrlib.revision import ensure_null, NULL_REVISION
46
 
from bzrlib.repository import RepositoryWriteLockResult
47
44
from bzrlib.trace import mutter, note, warning
48
45
 
49
46
 
246
243
        self._real_bzrdir.destroy_repository()
247
244
 
248
245
    def create_branch(self, name=None):
 
246
        if name is not None:
 
247
            raise errors.NoColocatedBranchSupport(self)
249
248
        # as per meta1 formats - just delegate to the format object which may
250
249
        # be parameterised.
251
 
        real_branch = self._format.get_branch_format().initialize(self,
252
 
            name=name)
 
250
        real_branch = self._format.get_branch_format().initialize(self)
253
251
        if not isinstance(real_branch, RemoteBranch):
254
 
            result = RemoteBranch(self, self.find_repository(), real_branch,
255
 
                                  name=name)
 
252
            result = RemoteBranch(self, self.find_repository(), real_branch)
256
253
        else:
257
254
            result = real_branch
258
255
        # BzrDir.clone_on_transport() uses the result of create_branch but does
327
324
                    ignore_fallbacks=False):
328
325
        if unsupported:
329
326
            raise NotImplementedError('unsupported flag support not implemented yet.')
 
327
        if name is not None:
 
328
            raise errors.NoColocatedBranchSupport(self)
330
329
        if self._next_open_branch_result is not None:
331
330
            # See create_branch for details.
332
331
            result = self._next_open_branch_result
336
335
        if response[0] == 'ref':
337
336
            # a branch reference, use the existing BranchReference logic.
338
337
            format = BranchReferenceFormat()
339
 
            return format.open(self, name=name, _found=True,
340
 
                location=response[1], ignore_fallbacks=ignore_fallbacks)
 
338
            return format.open(self, _found=True, location=response[1],
 
339
                ignore_fallbacks=ignore_fallbacks)
341
340
        branch_format_name = response[1]
342
341
        if not branch_format_name:
343
342
            branch_format_name = None
344
343
        format = RemoteBranchFormat(network_name=branch_format_name)
345
344
        return RemoteBranch(self, self.find_repository(), format=format,
346
 
            setup_stacking=not ignore_fallbacks, name=name)
 
345
            setup_stacking=not ignore_fallbacks)
347
346
 
348
347
    def _open_repo_v1(self, path):
349
348
        verb = 'BzrDir.find_repository'
426
425
        """Return the path to be used for this bzrdir in a remote call."""
427
426
        return client.remote_path_from_transport(self.root_transport)
428
427
 
429
 
    def get_branch_transport(self, branch_format, name=None):
 
428
    def get_branch_transport(self, branch_format):
430
429
        self._ensure_real()
431
 
        return self._real_bzrdir.get_branch_transport(branch_format, name=name)
 
430
        return self._real_bzrdir.get_branch_transport(branch_format)
432
431
 
433
432
    def get_repository_transport(self, repository_format):
434
433
        self._ensure_real()
644
643
        return self._custom_format._serializer
645
644
 
646
645
 
647
 
class RemoteRepository(_RpcHelper, lock._RelockDebugMixin,
648
 
    bzrdir.ControlComponent):
 
646
class RemoteRepository(_RpcHelper, lock._RelockDebugMixin):
649
647
    """Repository accessed over rpc.
650
648
 
651
649
    For the moment most operations are performed using local transport-backed
694
692
        # Additional places to query for data.
695
693
        self._fallback_repositories = []
696
694
 
697
 
    @property
698
 
    def user_transport(self):
699
 
        return self.bzrdir.user_transport
700
 
 
701
 
    @property
702
 
    def control_transport(self):
703
 
        # XXX: Normally you shouldn't directly get at the remote repository
704
 
        # transport, but I'm not sure it's worth making this method
705
 
        # optional -- mbp 2010-04-21
706
 
        return self.bzrdir.get_repository_transport(None)
707
 
        
708
695
    def __str__(self):
709
696
        return "%s(%s)" % (self.__class__.__name__, self.base)
710
697
 
918
905
        parents_provider = self._make_parents_provider(other_repository)
919
906
        return graph.Graph(parents_provider)
920
907
 
921
 
    @needs_read_lock
922
 
    def get_known_graph_ancestry(self, revision_ids):
923
 
        """Return the known graph for a set of revision ids and their ancestors.
924
 
        """
925
 
        st = static_tuple.StaticTuple
926
 
        revision_keys = [st(r_id).intern() for r_id in revision_ids]
927
 
        known_graph = self.revisions.get_known_graph_ancestry(revision_keys)
928
 
        return graph.GraphThunkIdsToKeys(known_graph)
929
 
 
930
908
    def gather_stats(self, revid=None, committers=None):
931
909
        """See Repository.gather_stats()."""
932
910
        path = self.bzrdir._path_for_remote_call(self._client)
998
976
        pass
999
977
 
1000
978
    def lock_read(self):
1001
 
        """Lock the repository for read operations.
1002
 
 
1003
 
        :return: A bzrlib.lock.LogicalLockResult.
1004
 
        """
1005
979
        # wrong eventually - want a local lock cache context
1006
980
        if not self._lock_mode:
1007
981
            self._note_lock('r')
1014
988
                repo.lock_read()
1015
989
        else:
1016
990
            self._lock_count += 1
1017
 
        return lock.LogicalLockResult(self.unlock)
1018
991
 
1019
992
    def _remote_lock_write(self, token):
1020
993
        path = self.bzrdir._path_for_remote_call(self._client)
1060
1033
            raise errors.ReadOnlyError(self)
1061
1034
        else:
1062
1035
            self._lock_count += 1
1063
 
        return RepositoryWriteLockResult(self.unlock, self._lock_token or None)
 
1036
        return self._lock_token or None
1064
1037
 
1065
1038
    def leave_lock_in_place(self):
1066
1039
        if not self._lock_token:
1246
1219
            # state, so always add a lock here. If a caller passes us a locked
1247
1220
            # repository, they are responsible for unlocking it later.
1248
1221
            repository.lock_read()
1249
 
        self._check_fallback_repository(repository)
1250
1222
        self._fallback_repositories.append(repository)
1251
1223
        # If self._real_repository was parameterised already (e.g. because a
1252
1224
        # _real_branch had its get_stacked_on_url method called), then the
1253
1225
        # repository to be added may already be in the _real_repositories list.
1254
1226
        if self._real_repository is not None:
1255
 
            fallback_locations = [repo.user_url for repo in
 
1227
            fallback_locations = [repo.bzrdir.root_transport.base for repo in
1256
1228
                self._real_repository._fallback_repositories]
1257
 
            if repository.user_url not in fallback_locations:
 
1229
            if repository.bzrdir.root_transport.base not in fallback_locations:
1258
1230
                self._real_repository.add_fallback_repository(repository)
1259
1231
 
1260
 
    def _check_fallback_repository(self, repository):
1261
 
        """Check that this repository can fallback to repository safely.
1262
 
 
1263
 
        Raise an error if not.
1264
 
 
1265
 
        :param repository: A repository to fallback to.
1266
 
        """
1267
 
        return _mod_repository.InterRepository._assert_same_model(
1268
 
            self, repository)
1269
 
 
1270
1232
    def add_inventory(self, revid, inv, parents):
1271
1233
        self._ensure_real()
1272
1234
        return self._real_repository.add_inventory(revid, inv, parents)
1273
1235
 
1274
1236
    def add_inventory_by_delta(self, basis_revision_id, delta, new_revision_id,
1275
 
            parents, basis_inv=None, propagate_caches=False):
 
1237
                               parents):
1276
1238
        self._ensure_real()
1277
1239
        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)
 
1240
            delta, new_revision_id, parents)
1280
1241
 
1281
1242
    def add_revision(self, rev_id, rev, inv=None, config=None):
1282
1243
        self._ensure_real()
1625
1586
        return self._real_repository.inventories
1626
1587
 
1627
1588
    @needs_write_lock
1628
 
    def pack(self, hint=None, clean_obsolete_packs=False):
 
1589
    def pack(self, hint=None):
1629
1590
        """Compress the data within the repository.
1630
1591
 
1631
1592
        This is not currently implemented within the smart server.
1632
1593
        """
1633
1594
        self._ensure_real()
1634
 
        return self._real_repository.pack(hint=hint, clean_obsolete_packs=clean_obsolete_packs)
 
1595
        return self._real_repository.pack(hint=hint)
1635
1596
 
1636
1597
    @property
1637
1598
    def revisions(self):
2065
2026
    def network_name(self):
2066
2027
        return self._network_name
2067
2028
 
2068
 
    def open(self, a_bzrdir, name=None, ignore_fallbacks=False):
2069
 
        return a_bzrdir.open_branch(name=name, 
2070
 
            ignore_fallbacks=ignore_fallbacks)
 
2029
    def open(self, a_bzrdir, ignore_fallbacks=False):
 
2030
        return a_bzrdir.open_branch(ignore_fallbacks=ignore_fallbacks)
2071
2031
 
2072
 
    def _vfs_initialize(self, a_bzrdir, name):
 
2032
    def _vfs_initialize(self, a_bzrdir):
2073
2033
        # Initialisation when using a local bzrdir object, or a non-vfs init
2074
2034
        # method is not available on the server.
2075
2035
        # self._custom_format is always set - the start of initialize ensures
2076
2036
        # that.
2077
2037
        if isinstance(a_bzrdir, RemoteBzrDir):
2078
2038
            a_bzrdir._ensure_real()
2079
 
            result = self._custom_format.initialize(a_bzrdir._real_bzrdir,
2080
 
                name)
 
2039
            result = self._custom_format.initialize(a_bzrdir._real_bzrdir)
2081
2040
        else:
2082
2041
            # We assume the bzrdir is parameterised; it may not be.
2083
 
            result = self._custom_format.initialize(a_bzrdir, name)
 
2042
            result = self._custom_format.initialize(a_bzrdir)
2084
2043
        if (isinstance(a_bzrdir, RemoteBzrDir) and
2085
2044
            not isinstance(result, RemoteBranch)):
2086
 
            result = RemoteBranch(a_bzrdir, a_bzrdir.find_repository(), result,
2087
 
                                  name=name)
 
2045
            result = RemoteBranch(a_bzrdir, a_bzrdir.find_repository(), result)
2088
2046
        return result
2089
2047
 
2090
 
    def initialize(self, a_bzrdir, name=None):
 
2048
    def initialize(self, a_bzrdir):
2091
2049
        # 1) get the network name to use.
2092
2050
        if self._custom_format:
2093
2051
            network_name = self._custom_format.network_name()
2099
2057
            network_name = reference_format.network_name()
2100
2058
        # Being asked to create on a non RemoteBzrDir:
2101
2059
        if not isinstance(a_bzrdir, RemoteBzrDir):
2102
 
            return self._vfs_initialize(a_bzrdir, name=name)
 
2060
            return self._vfs_initialize(a_bzrdir)
2103
2061
        medium = a_bzrdir._client._medium
2104
2062
        if medium._is_remote_before((1, 13)):
2105
 
            return self._vfs_initialize(a_bzrdir, name=name)
 
2063
            return self._vfs_initialize(a_bzrdir)
2106
2064
        # Creating on a remote bzr dir.
2107
2065
        # 2) try direct creation via RPC
2108
2066
        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
2067
        verb = 'BzrDir.create_branch'
2113
2068
        try:
2114
2069
            response = a_bzrdir._call(verb, path, network_name)
2115
2070
        except errors.UnknownSmartMethod:
2116
2071
            # Fallback - use vfs methods
2117
2072
            medium._remember_remote_is_before((1, 13))
2118
 
            return self._vfs_initialize(a_bzrdir, name=name)
 
2073
            return self._vfs_initialize(a_bzrdir)
2119
2074
        if response[0] != 'ok':
2120
2075
            raise errors.UnexpectedSmartServerResponse(response)
2121
2076
        # Turn the response into a RemoteRepository object.
2129
2084
                a_bzrdir._client)
2130
2085
        remote_repo = RemoteRepository(repo_bzrdir, repo_format)
2131
2086
        remote_branch = RemoteBranch(a_bzrdir, remote_repo,
2132
 
            format=format, setup_stacking=False, name=name)
 
2087
            format=format, setup_stacking=False)
2133
2088
        # XXX: We know this is a new branch, so it must have revno 0, revid
2134
2089
        # NULL_REVISION. Creating the branch locked would make this be unable
2135
2090
        # to be wrong; here its simply very unlikely to be wrong. RBC 20090225
2162
2117
    """
2163
2118
 
2164
2119
    def __init__(self, remote_bzrdir, remote_repository, real_branch=None,
2165
 
        _client=None, format=None, setup_stacking=True, name=None):
 
2120
        _client=None, format=None, setup_stacking=True):
2166
2121
        """Create a RemoteBranch instance.
2167
2122
 
2168
2123
        :param real_branch: An optional local implementation of the branch
2174
2129
        :param setup_stacking: If True make an RPC call to determine the
2175
2130
            stacked (or not) status of the branch. If False assume the branch
2176
2131
            is not stacked.
2177
 
        :param name: Colocated branch name
2178
2132
        """
2179
2133
        # We intentionally don't call the parent class's __init__, because it
2180
2134
        # will try to assign to self.tags, which is a property in this subclass.
2199
2153
            self._real_branch = None
2200
2154
        # Fill out expected attributes of branch for bzrlib API users.
2201
2155
        self._clear_cached_state()
2202
 
        # TODO: deprecate self.base in favor of user_url
2203
 
        self.base = self.bzrdir.user_url
2204
 
        self._name = name
 
2156
        self.base = self.bzrdir.root_transport.base
2205
2157
        self._control_files = None
2206
2158
        self._lock_mode = None
2207
2159
        self._lock_token = None
2272
2224
                    'to use vfs implementation')
2273
2225
            self.bzrdir._ensure_real()
2274
2226
            self._real_branch = self.bzrdir._real_bzrdir.open_branch(
2275
 
                ignore_fallbacks=self._real_ignore_fallbacks, name=self._name)
 
2227
                ignore_fallbacks=self._real_ignore_fallbacks)
2276
2228
            if self.repository._real_repository is None:
2277
2229
                # Give the remote repository the matching real repo.
2278
2230
                real_repo = self._real_branch.repository
2393
2345
            self._vfs_set_tags_bytes(bytes)
2394
2346
 
2395
2347
    def lock_read(self):
2396
 
        """Lock the branch for read operations.
2397
 
 
2398
 
        :return: A bzrlib.lock.LogicalLockResult.
2399
 
        """
2400
2348
        self.repository.lock_read()
2401
2349
        if not self._lock_mode:
2402
2350
            self._note_lock('r')
2406
2354
                self._real_branch.lock_read()
2407
2355
        else:
2408
2356
            self._lock_count += 1
2409
 
        return lock.LogicalLockResult(self.unlock)
2410
2357
 
2411
2358
    def _remote_lock_write(self, token):
2412
2359
        if token is None:
2413
2360
            branch_token = repo_token = ''
2414
2361
        else:
2415
2362
            branch_token = token
2416
 
            repo_token = self.repository.lock_write().repository_token
 
2363
            repo_token = self.repository.lock_write()
2417
2364
            self.repository.unlock()
2418
2365
        err_context = {'token': token}
2419
2366
        response = self._call(
2456
2403
            self._lock_count += 1
2457
2404
            # Re-lock the repository too.
2458
2405
            self.repository.lock_write(self._repo_lock_token)
2459
 
        return BranchWriteLockResult(self.unlock, self._lock_token or None)
 
2406
        return self._lock_token or None
2460
2407
 
2461
2408
    def _unlock(self, branch_token, repo_token):
2462
2409
        err_context = {'token': str((branch_token, repo_token))}