86
91
class DummyForeignVcsBranch(branch.BzrBranch6,foreign.ForeignBranch):
 
87
92
    """A Dummy VCS Branch."""
 
 
95
    def user_transport(self):
 
 
96
        return self.bzrdir.user_transport
 
89
98
    def __init__(self, _format, _control_files, a_bzrdir, *args, **kwargs):
 
90
99
        self._format = _format
 
91
100
        self._base = a_bzrdir.transport.base
 
92
101
        self._ignore_fallbacks = False
 
93
102
        self.bzrdir = a_bzrdir
 
94
 
        foreign.ForeignBranch.__init__(self, 
 
 
103
        foreign.ForeignBranch.__init__(self,
 
95
104
            DummyForeignVcsMapping(DummyForeignVcs()))
 
96
 
        branch.BzrBranch6.__init__(self, _format, _control_files, a_bzrdir, 
 
 
105
        branch.BzrBranch6.__init__(self, _format, _control_files, a_bzrdir,
 
100
 
class InterToDummyVcsBranch(branch.GenericInterBranch,
 
101
 
                            foreign.InterToForeignBranch):
 
 
108
    def _get_checkout_format(self, lightweight=False):
 
 
109
        """Return the most suitable metadir for a checkout of this branch.
 
 
110
        Weaves are used if this branch's repository uses weaves.
 
 
112
        return self.bzrdir.checkout_metadir()
 
 
114
    def import_last_revision_info_and_tags(self, source, revno, revid,
 
 
116
        interbranch = InterToDummyVcsBranch(source, self)
 
 
117
        result = interbranch.push(stop_revision=revid, lossy=True)
 
 
119
            revid = result.revidmap[revid]
 
 
120
        return (revno, revid)
 
 
123
class DummyForeignCommitBuilder(vf_repository.VersionedFileRootCommitBuilder):
 
 
125
    def _generate_revision_if_needed(self):
 
 
126
        mapping = DummyForeignVcsMapping(DummyForeignVcs())
 
 
128
            self._new_revision_id = mapping.revision_id_foreign_to_bzr(
 
 
129
                (str(self._timestamp), str(self._timezone), "UNKNOWN"))
 
 
130
            self.random_revid = False
 
 
131
        elif self._new_revision_id is not None:
 
 
132
            self.random_revid = False
 
 
134
            self._new_revision_id = self._gen_revision_id()
 
 
135
            self.random_revid = True
 
 
138
class DummyForeignVcsRepository(groupcompress_repo.CHKInventoryRepository,
 
 
139
    foreign.ForeignRepository):
 
 
140
    """Dummy foreign vcs repository."""
 
 
143
class DummyForeignVcsRepositoryFormat(groupcompress_repo.RepositoryFormat2a):
 
 
145
    repository_class = DummyForeignVcsRepository
 
 
146
    _commit_builder_class = DummyForeignCommitBuilder
 
 
149
    def get_format_string(cls):
 
 
150
        return "Dummy Foreign Vcs Repository"
 
 
152
    def get_format_description(self):
 
 
153
        return "Dummy Foreign Vcs Repository"
 
 
156
def branch_history(graph, revid):
 
 
157
    ret = list(graph.iter_lefthand_ancestry(revid,
 
 
158
        (revision.NULL_REVISION,)))
 
 
163
class InterToDummyVcsBranch(branch.GenericInterBranch):
 
104
166
    def is_compatible(source, target):
 
105
167
        return isinstance(target, DummyForeignVcsBranch)
 
107
 
    def push(self, overwrite=False, stop_revision=None):
 
108
 
        raise errors.NoRoundtrippingSupport(self.source, self.target)
 
110
 
    def lossy_push(self, stop_revision=None):
 
 
169
    def push(self, overwrite=False, stop_revision=None, lossy=False):
 
 
171
            raise errors.NoRoundtrippingSupport(self.source, self.target)
 
111
172
        result = branch.BranchPushResult()
 
112
173
        result.source_branch = self.source
 
113
174
        result.target_branch = self.target
 
114
175
        result.old_revno, result.old_revid = self.target.last_revision_info()
 
115
176
        self.source.lock_read()
 
 
178
            graph = self.source.repository.get_graph()
 
117
179
            # This just handles simple cases, but that's good enough for tests
 
118
 
            my_history = self.target.revision_history()
 
119
 
            their_history = self.source.revision_history()
 
 
180
            my_history = branch_history(self.target.repository.get_graph(),
 
 
182
            if stop_revision is None:
 
 
183
                stop_revision = self.source.last_revision()
 
 
184
            their_history = branch_history(graph, stop_revision)
 
120
185
            if their_history[:min(len(my_history), len(their_history))] != my_history:
 
121
186
                raise errors.DivergedBranches(self.target, self.source)
 
122
187
            todo = their_history[len(my_history):]
 
 
166
231
class DummyForeignVcsBranchFormat(branch.BzrBranchFormat6):
 
168
 
    def get_format_string(self):
 
 
234
    def get_format_string(cls):
 
169
235
        return "Branch for Testing"
 
172
 
        super(DummyForeignVcsBranchFormat, self).__init__()
 
173
 
        self._matchingbzrdir = DummyForeignVcsDirFormat()
 
 
238
    def _matchingbzrdir(self):
 
 
239
        return DummyForeignVcsDirFormat()
 
175
 
    def open(self, a_bzrdir, name=None, _found=False):
 
 
241
    def open(self, a_bzrdir, name=None, _found=False, ignore_fallbacks=False,
 
 
242
            found_repository=None):
 
177
244
            raise NotImplementedError
 
179
246
            transport = a_bzrdir.get_branch_transport(None, name=name)
 
180
247
            control_files = lockable_files.LockableFiles(transport, 'lock',
 
 
249
            if found_repository is None:
 
 
250
                found_repository = a_bzrdir.find_repository()
 
182
251
            return DummyForeignVcsBranch(_format=self,
 
183
252
                              _control_files=control_files,
 
184
253
                              a_bzrdir=a_bzrdir,
 
185
 
                              _repository=a_bzrdir.find_repository())
 
 
254
                              _repository=found_repository)
 
186
255
        except errors.NoSuchFile:
 
187
256
            raise errors.NotBranchError(path=transport.base)
 
 
244
310
        self._control_files = lockable_files.LockableFiles(self.transport,
 
245
311
            "lock", lockable_files.TransportLock)
 
247
 
    def open_branch(self, name=None, unsupported=False, ignore_fallbacks=True):
 
 
313
    def create_workingtree(self):
 
 
314
        # dirstate requires a ".bzr" entry to exist
 
 
315
        self.root_transport.put_bytes(".bzr", "foo")
 
 
316
        return super(DummyForeignVcsDir, self).create_workingtree()
 
 
318
    def open_branch(self, name=None, unsupported=False, ignore_fallbacks=True,
 
 
319
            possible_transports=None):
 
248
320
        if name is not None:
 
249
321
            raise errors.NoColocatedBranchSupport(self)
 
250
322
        return self._format.get_branch_format().open(self, _found=True)
 
 
268
343
def register_dummy_foreign_for_test(testcase):
 
269
 
    bzrdir.BzrDirFormat.register_control_format(DummyForeignVcsDirFormat)
 
270
 
    testcase.addCleanup(bzrdir.BzrDirFormat.unregister_control_format,
 
271
 
                        DummyForeignVcsDirFormat)
 
 
344
    controldir.ControlDirFormat.register_prober(DummyForeignProber)
 
 
345
    testcase.addCleanup(controldir.ControlDirFormat.unregister_prober,
 
 
347
    repository.format_registry.register(DummyForeignVcsRepositoryFormat())
 
 
348
    testcase.addCleanup(repository.format_registry.remove,
 
 
349
            DummyForeignVcsRepositoryFormat())
 
 
350
    branch.format_registry.register(DummyForeignVcsBranchFormat())
 
 
351
    testcase.addCleanup(branch.format_registry.remove,
 
 
352
            DummyForeignVcsBranchFormat())
 
272
353
    # We need to register the optimiser to make the dummy appears really
 
273
354
    # different from a regular bzr repository.
 
274
355
    branch.InterBranch.register_optimiser(InterToDummyVcsBranch)