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  • Committer: Jelmer Vernooij
  • Date: 2009-09-10 13:13:15 UTC
  • mto: (0.200.602 trunk)
  • mto: This revision was merged to the branch mainline in revision 6960.
  • Revision ID: jelmer@samba.org-20090910131315-6890xg58pl2jseml
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1
# Copyright (C) 2007 Canonical Ltd
2
 
# Copyright (C) 2009-2010 Jelmer Vernooij <jelmer@samba.org>
 
2
# Copyright (C) 2009 Jelmer Vernooij <jelmer@samba.org>
3
3
#
4
4
# This program is free software; you can redistribute it and/or modify
5
5
# it under the terms of the GNU General Public License as published by
40
40
    mutter,
41
41
    )
42
42
 
 
43
from bzrlib.plugins.git import (
 
44
    get_rich_root_format,
 
45
    )
43
46
from bzrlib.plugins.git.config import (
44
47
    GitBranchConfig,
45
48
    )
47
50
    NoPushSupport,
48
51
    NoSuchRef,
49
52
    )
50
 
from bzrlib.plugins.git.refs import (
51
 
    branch_name_to_ref,
52
 
    ref_to_branch_name,
53
 
    extract_tags,
54
 
    tag_name_to_ref,
55
 
    )
56
53
 
57
54
from bzrlib.foreign import ForeignBranch
58
55
 
59
56
 
 
57
def extract_tags(refs, mapping):
 
58
    ret = {}
 
59
    for k,v in refs.iteritems():
 
60
        if k.startswith("refs/tags/") and not k.endswith("^{}"):
 
61
            v = refs.get(k+"^{}", v)
 
62
            ret[k[len("refs/tags/"):]] = mapping.revision_id_foreign_to_bzr(v)
 
63
    return ret
 
64
 
 
65
 
60
66
class GitPullResult(branch.PullResult):
61
67
 
62
68
    def _lookup_revno(self, revid):
82
88
 
83
89
    def get_tag_dict(self):
84
90
        ret = {}
85
 
        for k,v in extract_tags(self.repository._git.get_refs()).iteritems():
86
 
            try:
87
 
                obj = self.repository._git[v]
88
 
            except KeyError:
89
 
                mutter("Tag %s points at unknown object %s, ignoring", v, obj)
90
 
                continue
 
91
        for k,v in self.repository._git.refs.as_dict("refs/tags").iteritems():
 
92
            obj = self.repository._git.get_object(v)
91
93
            while isinstance(obj, Tag):
92
94
                v = obj.object[1]
93
 
                obj = self.repository._git[v]
 
95
                obj = self.repository._git.get_object(v)
94
96
            if not isinstance(obj, Commit):
95
97
                mutter("Tag %s points at object %r that is not a commit, "
96
98
                       "ignoring", k, obj)
97
99
                continue
98
 
            ret[k] = self.branch.lookup_foreign_revision_id(v)
 
100
            ret[k] = self.branch.mapping.revision_id_foreign_to_bzr(v)
99
101
        return ret
100
102
 
101
 
    def _set_tag_dict(self, to_dict):
102
 
        extra = set(self.repository._git.get_refs().keys())
103
 
        for k, revid in to_dict.iteritems():
104
 
            name = tag_name_to_ref(k)
105
 
            if name in extra:
106
 
                extra.remove(name)
107
 
            self.set_tag(k, revid)
108
 
        for name in extra:
109
 
            if name.startswith("refs/tags/"):
110
 
                del self.repository._git[name]
111
 
        
112
103
    def set_tag(self, name, revid):
113
 
        self.repository._git.refs[tag_name_to_ref(name)], _ = \
 
104
        self.repository._git.refs["refs/tags/%s" % name], _ = \
114
105
            self.branch.mapping.revision_id_bzr_to_foreign(revid)
115
106
 
116
107
 
117
108
class DictTagDict(LocalGitTagDict):
118
109
 
 
110
 
119
111
    def __init__(self, branch, tags):
120
112
        super(DictTagDict, self).__init__(branch)
121
113
        self._tags = tags
124
116
        return self._tags
125
117
 
126
118
 
 
119
 
127
120
class GitBranchFormat(branch.BranchFormat):
128
121
 
129
122
    def get_format_description(self):
130
123
        return 'Git Branch'
131
124
 
132
 
    def network_name(self):
133
 
        return "git"
134
 
 
135
125
    def supports_tags(self):
136
126
        return True
137
127
 
138
 
    def get_foreign_tests_branch_factory(self):
139
 
        from bzrlib.plugins.git.tests.test_branch import ForeignTestsBranchFactory
140
 
        return ForeignTestsBranchFactory()
141
 
 
142
128
    def make_tags(self, branch):
143
129
        if getattr(branch.repository, "get_refs", None) is not None:
144
130
            from bzrlib.plugins.git.remote import RemoteGitTagDict
147
133
            return LocalGitTagDict(branch)
148
134
 
149
135
 
150
 
class GitReadLock(object):
151
 
 
152
 
    def __init__(self, unlock):
153
 
        self.unlock = unlock
154
 
 
155
 
 
156
 
class GitWriteLock(object):
157
 
 
158
 
    def __init__(self, unlock):
159
 
        self.unlock = unlock
160
 
 
161
 
 
162
136
class GitBranch(ForeignBranch):
163
137
    """An adapter to git repositories for bzr Branch objects."""
164
138
 
165
 
    def __init__(self, bzrdir, repository, ref, lockfiles, tagsdict=None):
 
139
    def __init__(self, bzrdir, repository, name, lockfiles, tagsdict=None):
166
140
        self.repository = repository
167
141
        self._format = GitBranchFormat()
168
142
        self.control_files = lockfiles
170
144
        super(GitBranch, self).__init__(repository.get_mapping())
171
145
        if tagsdict is not None:
172
146
            self.tags = DictTagDict(self, tagsdict)
173
 
        self.ref = ref
174
 
        self.name = ref_to_branch_name(ref)
 
147
        self.name = name
175
148
        self._head = None
176
 
        self.base = bzrdir.root_transport.base
 
149
        self.base = bzrdir.transport.base
177
150
 
178
151
    def _get_checkout_format(self):
179
152
        """Return the most suitable metadir for a checkout of this branch.
180
153
        Weaves are used if this branch's repository uses weaves.
181
154
        """
182
 
        return bzrdir.format_registry.make_bzrdir("default")
 
155
        return get_rich_root_format()
183
156
 
184
157
    def get_child_submit_format(self):
185
158
        """Return the preferred format of submissions to this branch."""
193
166
 
194
167
        :return: Branch nick
195
168
        """
196
 
        return self.name or "HEAD"
 
169
        return self.name
197
170
 
198
171
    def _set_nick(self, nick):
199
172
        raise NotImplementedError
201
174
    nick = property(_get_nick, _set_nick)
202
175
 
203
176
    def __repr__(self):
204
 
        return "<%s(%r, %r)>" % (self.__class__.__name__, self.repository.base,
205
 
            self.ref or "HEAD")
 
177
        return "%s(%r, %r)" % (self.__class__.__name__, self.repository.base, self.name)
206
178
 
207
179
    def generate_revision_history(self, revid, old_revid=None):
208
180
        # FIXME: Check that old_revid is in the ancestry of revid
211
183
 
212
184
    def lock_write(self):
213
185
        self.control_files.lock_write()
214
 
        return GitWriteLock(self.unlock)
215
186
 
216
187
    def get_stacked_on_url(self):
217
188
        # Git doesn't do stacking (yet...)
218
 
        raise errors.UnstackableBranchFormat(self._format, self.base)
 
189
        return None
219
190
 
220
191
    def get_parent(self):
221
192
        """See Branch.get_parent()."""
228
199
 
229
200
    def lock_read(self):
230
201
        self.control_files.lock_read()
231
 
        return GitReadLock(self.unlock)
232
202
 
233
203
    def is_locked(self):
234
204
        return self.control_files.is_locked()
244
214
        # perhaps should escape this ?
245
215
        if self.head is None:
246
216
            return revision.NULL_REVISION
247
 
        return self.lookup_foreign_revision_id(self.head)
 
217
        return self.mapping.revision_id_foreign_to_bzr(self.head)
248
218
 
249
219
    def _basic_push(self, target, overwrite=False, stop_revision=None):
250
220
        return branch.InterBranch.get(self, target)._basic_push(
251
221
            overwrite, stop_revision)
252
222
 
253
 
    def lookup_foreign_revision_id(self, foreign_revid):
254
 
        return self.repository.lookup_foreign_revision_id(foreign_revid, 
255
 
            self.mapping)
256
 
 
257
 
 
 
223
 
258
224
class LocalGitBranch(GitBranch):
259
225
    """A local Git branch."""
260
226
 
261
 
    def __init__(self, bzrdir, repository, name, lockfiles, tagsdict=None):
262
 
        super(LocalGitBranch, self).__init__(bzrdir, repository, name, 
263
 
              lockfiles, tagsdict)
264
 
        refs = repository._git.get_refs()
265
 
        if not (name in refs.keys() or "HEAD" in refs.keys()):
266
 
            raise errors.NotBranchError(self.base)
267
 
 
268
227
    def create_checkout(self, to_location, revision_id=None, lightweight=False,
269
228
        accelerator_tree=None, hardlink=False):
270
229
        if lightweight:
272
231
            t.ensure_base()
273
232
            format = self._get_checkout_format()
274
233
            checkout = format.initialize_on_transport(t)
275
 
            from_branch = branch.BranchReferenceFormat().initialize(checkout,
 
234
            from_branch = branch.BranchReferenceFormat().initialize(checkout, 
276
235
                self)
277
236
            tree = checkout.create_workingtree(revision_id,
278
237
                from_branch=from_branch, hardlink=hardlink)
281
240
            return self._create_heavyweight_checkout(to_location, revision_id,
282
241
            hardlink)
283
242
 
284
 
    def _create_heavyweight_checkout(self, to_location, revision_id=None,
 
243
    def _create_heavyweight_checkout(self, to_location, revision_id=None, 
285
244
                                     hardlink=False):
286
245
        """Create a new heavyweight checkout of this branch.
287
246
 
291
250
        :return: WorkingTree object of checkout.
292
251
        """
293
252
        checkout_branch = bzrdir.BzrDir.create_branch_convenience(
294
 
            to_location, force_new_tree=False)
 
253
            to_location, force_new_tree=False, format=get_rich_root_format())
295
254
        checkout = checkout_branch.bzrdir
296
255
        checkout_branch.bind(self)
297
 
        # pull up to the specified revision_id to set the initial
 
256
        # pull up to the specified revision_id to set the initial 
298
257
        # branch tip correctly, and seed it with history.
299
258
        checkout_branch.pull(self, stop_revision=revision_id)
300
259
        return checkout.create_workingtree(revision_id, hardlink=hardlink)
309
268
 
310
269
    def _get_head(self):
311
270
        try:
312
 
            return self.repository._git.ref(self.ref or "HEAD")
 
271
            return self.repository._git.ref(self.name)
313
272
        except KeyError:
314
273
            return None
315
274
 
317
276
        self.set_last_revision(revid)
318
277
 
319
278
    def set_last_revision(self, revid):
320
 
        (newhead, self.mapping) = self.repository.lookup_bzr_revision_id(revid)
 
279
        (newhead, self.mapping) = self.mapping.revision_id_bzr_to_foreign(
 
280
                revid)
321
281
        self.head = newhead
322
282
 
323
283
    def _set_head(self, value):
324
284
        self._head = value
325
 
        self.repository._git.refs[self.ref or "HEAD"] = self._head
 
285
        self.repository._git.refs[self.name] = self._head
326
286
        self._clear_cached_state()
327
287
 
328
288
    head = property(_get_head, _set_head)
342
302
 
343
303
    def supports_tags(self):
344
304
        return True
345
 
    
 
305
 
346
306
 
347
307
class GitBranchPullResult(branch.PullResult):
348
308
 
349
 
    def __init__(self):
350
 
        super(GitBranchPullResult, self).__init__()
351
 
        self.new_git_head = None
352
 
        self._old_revno = None
353
 
        self._new_revno = None
354
 
 
355
309
    def report(self, to_file):
356
310
        if not is_quiet():
357
311
            if self.old_revid == self.new_revid:
358
312
                to_file.write('No revisions to pull.\n')
359
 
            elif self.new_git_head is not None:
360
 
                to_file.write('Now on revision %d (git sha: %s).\n' %
 
313
            else:
 
314
                to_file.write('Now on revision %d (git sha: %s).\n' % 
361
315
                        (self.new_revno, self.new_git_head))
362
 
            else:
363
 
                to_file.write('Now on revision %d.\n' % (self.new_revno,))
364
316
        self._show_tag_conficts(to_file)
365
317
 
366
 
    def _lookup_revno(self, revid):
367
 
        assert isinstance(revid, str), "was %r" % revid
368
 
        # Try in source branch first, it'll be faster
369
 
        try:
370
 
            return self.source_branch.revision_id_to_revno(revid)
371
 
        except errors.NoSuchRevision:
372
 
            # FIXME: Check using graph.find_distance_to_null() ?
373
 
            return self.target_branch.revision_id_to_revno(revid)
374
 
 
375
 
    def _get_old_revno(self):
376
 
        if self._old_revno is not None:
377
 
            return self._old_revno
378
 
        return self._lookup_revno(self.old_revid)
379
 
 
380
 
    def _set_old_revno(self, revno):
381
 
        self._old_revno = revno
382
 
 
383
 
    old_revno = property(_get_old_revno, _set_old_revno)
384
 
 
385
 
    def _get_new_revno(self):
386
 
        if self._new_revno is not None:
387
 
            return self._new_revno
388
 
        return self._lookup_revno(self.new_revid)
389
 
 
390
 
    def _set_new_revno(self, revno):
391
 
        self._new_revno = revno
392
 
    
393
 
    new_revno = property(_get_new_revno, _set_new_revno)
394
 
 
395
318
 
396
319
class GitBranchPushResult(branch.BranchPushResult):
397
320
 
417
340
    """InterBranch implementation that pulls from Git into bzr."""
418
341
 
419
342
    @classmethod
420
 
    def _get_interrepo(self, source, target):
421
 
        return repository.InterRepository.get(source.repository,
422
 
            target.repository)
423
 
 
424
 
    @classmethod
425
 
    def is_compatible(cls, source, target):
426
 
        return (isinstance(source, GitBranch) and
427
 
                not isinstance(target, GitBranch) and
428
 
                (getattr(cls._get_interrepo(source, target), "fetch_objects", None) is not None))
429
 
 
430
 
    def _update_revisions(self, stop_revision=None, overwrite=False,
431
 
        graph=None, limit=None):
432
 
        """Like InterBranch.update_revisions(), but with additions.
433
 
 
434
 
        Compared to the `update_revisions()` below, this function takes a
435
 
        `limit` argument that limits how many git commits will be converted
436
 
        and returns the new git head.
437
 
        """
438
 
        interrepo = self._get_interrepo(self.source, self.target)
 
343
    def is_compatible(self, source, target):
 
344
        return (isinstance(source, GitBranch) and 
 
345
                not isinstance(target, GitBranch))
 
346
 
 
347
    def update_revisions(self, stop_revision=None, overwrite=False,
 
348
        graph=None):
 
349
        """See InterBranch.update_revisions()."""
 
350
        interrepo = repository.InterRepository.get(self.source.repository, 
 
351
            self.target.repository)
 
352
        self._head = None
 
353
        self._last_revid = None
439
354
        def determine_wants(heads):
440
 
            if self.source.ref is not None and not self.source.ref in heads:
441
 
                raise NoSuchRef(self.source.ref, heads.keys())
 
355
            if not self.source.name in heads:
 
356
                raise NoSuchRef(self.source.name, heads.keys())
442
357
            if stop_revision is not None:
443
358
                self._last_revid = stop_revision
444
 
                head, mapping = self.source.repository.lookup_bzr_revision_id(
 
359
                self._head, mapping = self.source.repository.lookup_git_revid(
445
360
                    stop_revision)
446
361
            else:
447
 
                if self.source.ref is not None:
448
 
                    head = heads[self.source.ref]
449
 
                else:
450
 
                    head = heads["HEAD"]
451
 
                self._last_revid = self.source.lookup_foreign_revision_id(head)
 
362
                self._head = heads[self.source.name]
 
363
                self._last_revid = \
 
364
                    self.source.mapping.revision_id_foreign_to_bzr(self._head)
452
365
            if self.target.repository.has_revision(self._last_revid):
453
366
                return []
454
 
            return [head]
455
 
        pack_hint, head = interrepo.fetch_objects(
456
 
            determine_wants, self.source.mapping, limit=limit)
457
 
        if (pack_hint is not None and
458
 
            self.target.repository._format.pack_compresses):
459
 
            self.target.repository.pack(hint=pack_hint)
460
 
        if head is not None:
461
 
            self._last_revid = self.source.lookup_foreign_revision_id(head)
 
367
            return [self._head]
 
368
        interrepo.fetch_objects(determine_wants, self.source.mapping)
462
369
        if overwrite:
463
370
            prev_last_revid = None
464
371
        else:
465
372
            prev_last_revid = self.target.last_revision()
466
 
        self.target.generate_revision_history(self._last_revid,
467
 
            prev_last_revid)
468
 
        return head
469
 
 
470
 
    def update_revisions(self, stop_revision=None, overwrite=False,
471
 
                         graph=None):
472
 
        """See InterBranch.update_revisions()."""
473
 
        self._update_revisions(stop_revision, overwrite, graph)
 
373
        self.target.generate_revision_history(self._last_revid, prev_last_revid)
474
374
 
475
375
    def pull(self, overwrite=False, stop_revision=None,
476
376
             possible_transports=None, _hook_master=None, run_hooks=True,
477
 
             _override_hook_target=None, local=False, limit=None):
 
377
             _override_hook_target=None, local=False):
478
378
        """See Branch.pull.
479
379
 
480
380
        :param _hook_master: Private parameter - set the branch to
484
384
            so it should not run its hooks.
485
385
        :param _override_hook_target: Private parameter - set the branch to be
486
386
            supplied as the target_branch to pull hooks.
487
 
        :param limit: Only import this many revisons.  `None`, the default,
488
 
            means import all revisions.
489
387
        """
490
388
        # This type of branch can't be bound.
491
389
        if local:
501
399
            # We assume that during 'pull' the target repository is closer than
502
400
            # the source one.
503
401
            graph = self.target.repository.get_graph(self.source.repository)
504
 
            (result.old_revno, result.old_revid) = \
 
402
            result.old_revno, result.old_revid = \
505
403
                self.target.last_revision_info()
506
 
            result.new_git_head = self._update_revisions(
507
 
                stop_revision, overwrite=overwrite, graph=graph, limit=limit)
 
404
            self.update_revisions(stop_revision, overwrite=overwrite, 
 
405
                graph=graph)
 
406
            result.new_git_head = self._head
508
407
            result.tag_conflicts = self.source.tags.merge_to(self.target.tags,
509
408
                overwrite)
510
 
            (result.new_revno, result.new_revid) = \
511
 
                self.target.last_revision_info()
 
409
            result.new_revno, result.new_revid = self.target.last_revision_info()
512
410
            if _hook_master:
513
411
                result.master_branch = _hook_master
514
412
                result.local_branch = result.target_branch
528
426
        result.target_branch = self.target
529
427
        graph = self.target.repository.get_graph(self.source.repository)
530
428
        result.old_revno, result.old_revid = self.target.last_revision_info()
531
 
        result.new_git_head = self._update_revisions(
532
 
            stop_revision, overwrite=overwrite, graph=graph)
 
429
        self.update_revisions(stop_revision, overwrite=overwrite, 
 
430
            graph=graph)
 
431
        result.new_git_head = self._head
533
432
        result.tag_conflicts = self.source.tags.merge_to(self.target.tags,
534
433
            overwrite)
535
434
        result.new_revno, result.new_revid = self.target.last_revision_info()
546
445
    @classmethod
547
446
    def is_compatible(self, source, target):
548
447
        from bzrlib.plugins.git.remote import RemoteGitBranch
549
 
        return (isinstance(source, LocalGitBranch) and
 
448
        return (isinstance(source, LocalGitBranch) and 
550
449
                isinstance(target, RemoteGitBranch))
551
450
 
552
451
    def _basic_push(self, overwrite=False, stop_revision=None):
553
 
        from dulwich.protocol import ZERO_SHA
554
452
        result = GitBranchPushResult()
555
453
        result.source_branch = self.source
556
454
        result.target_branch = self.target
558
456
            stop_revision = self.source.last_revision()
559
457
        # FIXME: Check for diverged branches
560
458
        def get_changed_refs(old_refs):
561
 
            result.old_revid = self.target.lookup_foreign_revision_id(old_refs.get(self.target.ref, ZERO_SHA))
562
 
            refs = { self.target.ref: self.source.repository.lookup_bzr_revision_id(stop_revision)[0] }
 
459
            result.old_revid = self.target.mapping.revision_id_foreign_to_bzr(old_refs.get("refs/heads/master", "0" * 40))
 
460
            refs = { "refs/heads/master": self.source.repository.lookup_git_revid(stop_revision)[0] }
563
461
            result.new_revid = stop_revision
564
462
            for name, sha in self.source.repository._git.refs.as_dict("refs/tags").iteritems():
565
 
                refs[tag_name_to_ref(name)] = sha
 
463
                refs["refs/tags/%s" % name] = sha
566
464
            return refs
567
 
        self.target.repository.send_pack(get_changed_refs,
568
 
            self.source.repository._git.object_store.generate_pack_contents)
 
465
        self.target.repository.send_pack(get_changed_refs, 
 
466
                self.source.repository._git.object_store.generate_pack_contents)
569
467
        return result
570
468
 
571
469
 
575
473
    @classmethod
576
474
    def is_compatible(self, source, target):
577
475
        from bzrlib.plugins.git.remote import RemoteGitBranch
578
 
        return (isinstance(source, RemoteGitBranch) and
 
476
        return (isinstance(source, RemoteGitBranch) and 
579
477
                isinstance(target, LocalGitBranch))
580
478
 
581
479
    def _basic_push(self, overwrite=False, stop_revision=None):
590
488
        return result
591
489
 
592
490
    def update_tags(self, refs):
593
 
        for name, v in extract_tags(refs).iteritems():
594
 
            revid = self.target.lookup_foreign_revision_id(v)
 
491
        for name, revid in extract_tags(refs, self.target.mapping).iteritems():
595
492
            self.target.tags.set_tag(name, revid)
596
493
 
597
494
    def update_refs(self, stop_revision=None):
598
 
        interrepo = repository.InterRepository.get(self.source.repository,
 
495
        interrepo = repository.InterRepository.get(self.source.repository, 
599
496
            self.target.repository)
600
497
        if stop_revision is None:
601
 
            refs = interrepo.fetch(branches=["HEAD"])
602
 
            stop_revision = self.target.lookup_foreign_revision_id(refs["HEAD"])
 
498
            refs = interrepo.fetch_refs(branches=["HEAD"])
 
499
            stop_revision = self.target.mapping.revision_id_foreign_to_bzr(refs["HEAD"])
603
500
        else:
604
 
            refs = interrepo.fetch(revision_id=stop_revision)
 
501
            refs = interrepo.fetch_refs(revision_id=stop_revision)
605
502
        return refs, stop_revision
606
503
 
607
 
    def pull(self, stop_revision=None, overwrite=False,
608
 
        possible_transports=None, run_hooks=True,local=False):
 
504
    def pull(self, stop_revision=None, overwrite=False, 
 
505
        possible_transports=None, local=False):
609
506
        # This type of branch can't be bound.
610
507
        if local:
611
508
            raise errors.LocalRequiresBoundBranch()
619
516
        result.new_revid = self.target.last_revision()
620
517
        return result
621
518
 
622
 
 
 
519
    
623
520
class InterToGitBranch(branch.InterBranch):
624
521
    """InterBranch implementation that pulls from Git into bzr."""
625
522
 
626
 
    def __init__(self, source, target):
627
 
        super(InterToGitBranch, self).__init__(source, target)
628
 
        self.interrepo = repository.InterRepository.get(source.repository,
629
 
                                           target.repository)
630
 
 
631
 
    @staticmethod
632
 
    def _get_branch_formats_to_test():
633
 
        return None, None
634
 
 
635
523
    @classmethod
636
524
    def is_compatible(self, source, target):
637
 
        return (not isinstance(source, GitBranch) and
 
525
        return (not isinstance(source, GitBranch) and 
638
526
                isinstance(target, GitBranch))
639
527
 
640
528
    def update_revisions(self, *args, **kwargs):
641
529
        raise NoPushSupport()
642
530
 
643
 
    def _get_new_refs(self, stop_revision=None):
 
531
    def push(self, overwrite=True, stop_revision=None, 
 
532
             _override_hook_source_branch=None):
 
533
        raise NoPushSupport()
 
534
 
 
535
    def lossy_push(self, stop_revision=None):
 
536
        result = GitBranchPushResult()
 
537
        result.source_branch = self.source
 
538
        result.target_branch = self.target
 
539
        result.old_revid = self.target.last_revision()
644
540
        if stop_revision is None:
645
541
            stop_revision = self.source.last_revision()
646
 
        main_ref = self.target.ref or "refs/heads/master"
647
 
        refs = { main_ref: stop_revision }
 
542
        # FIXME: Check for diverged branches
 
543
        refs = { "refs/heads/master": stop_revision }
648
544
        for name, revid in self.source.tags.get_tag_dict().iteritems():
649
545
            if self.source.repository.has_revision(revid):
650
 
                refs[tag_name_to_ref(name)] = revid
651
 
        return refs, main_ref
652
 
 
653
 
    def pull(self, overwrite=False, stop_revision=None, local=False,
654
 
             possible_transports=None):
655
 
        from dulwich.protocol import ZERO_SHA
656
 
        result = GitBranchPullResult()
657
 
        result.source_branch = self.source
658
 
        result.target_branch = self.target
659
 
        new_refs, main_ref = self._get_new_refs(stop_revision)
660
 
        def update_refs(old_refs):
661
 
            refs = dict(old_refs)
662
 
            # FIXME: Check for diverged branches
663
 
            refs.update(new_refs)
664
 
            return refs
665
 
        old_refs, new_refs = self.interrepo.fetch_refs(update_refs)
666
 
        result.old_revid = self.target.lookup_foreign_revision_id(
667
 
            old_refs.get(main_ref, ZERO_SHA))
668
 
        result.new_revid = new_refs[main_ref]
669
 
        return result
670
 
 
671
 
    def push(self, overwrite=False, stop_revision=None,
672
 
             _override_hook_source_branch=None):
673
 
        from dulwich.protocol import ZERO_SHA
674
 
        result = GitBranchPushResult()
675
 
        result.source_branch = self.source
676
 
        result.target_branch = self.target
677
 
        new_refs, main_ref = self._get_new_refs(stop_revision)
678
 
        def update_refs(old_refs):
679
 
            refs = dict(old_refs)
680
 
            # FIXME: Check for diverged branches
681
 
            refs.update(new_refs)
682
 
            return refs
683
 
        old_refs, new_refs = self.interrepo.fetch_refs(update_refs)
684
 
        result.old_revid = self.target.lookup_foreign_revision_id(
685
 
            old_refs.get(main_ref, ZERO_SHA))
686
 
        result.new_revid = new_refs[main_ref]
687
 
        return result
688
 
 
689
 
    def lossy_push(self, stop_revision=None):
690
 
        from dulwich.protocol import ZERO_SHA
691
 
        result = GitBranchPushResult()
692
 
        result.source_branch = self.source
693
 
        result.target_branch = self.target
694
 
        new_refs, main_ref = self._get_new_refs(stop_revision)
695
 
        def update_refs(old_refs):
696
 
            refs = dict(old_refs)
697
 
            # FIXME: Check for diverged branches
698
 
            refs.update(new_refs)
699
 
            return refs
700
 
        result.revidmap, old_refs, new_refs = self.interrepo.dfetch_refs(
701
 
            update_refs)
702
 
        result.old_revid = self.target.lookup_foreign_revision_id(
703
 
            old_refs.get(self.target.ref, ZERO_SHA))
704
 
        result.new_revid = self.target.lookup_foreign_revision_id(
705
 
            new_refs[main_ref])
 
546
                refs["refs/tags/%s" % name] = revid
 
547
        revidmap, new_refs = self.target.repository.dfetch_refs(
 
548
            self.source.repository, refs)
 
549
        if revidmap != {}:
 
550
            self.target.generate_revision_history(revidmap[stop_revision])
 
551
            result.new_revid = revidmap[stop_revision]
 
552
        else:
 
553
            result.new_revid = result.old_revid
 
554
        result.revidmap = revidmap
706
555
        return result
707
556
 
708
557