150
113
return LocalGitTagDict(branch)
153
class GitReadLock(object):
155
def __init__(self, unlock):
159
class GitWriteLock(object):
161
def __init__(self, unlock):
165
116
class GitBranch(ForeignBranch):
166
117
"""An adapter to git repositories for bzr Branch objects."""
168
def __init__(self, bzrdir, repository, ref, lockfiles, tagsdict=None):
119
def __init__(self, bzrdir, repository, name, head, lockfiles):
169
120
self.repository = repository
170
121
self._format = GitBranchFormat()
171
122
self.control_files = lockfiles
172
123
self.bzrdir = bzrdir
173
124
super(GitBranch, self).__init__(repository.get_mapping())
174
if tagsdict is not None:
175
self.tags = DictTagDict(self, tagsdict)
177
self.name = ref_to_branch_name(ref)
179
self.base = bzrdir.root_transport.base
181
def _get_checkout_format(self):
182
"""Return the most suitable metadir for a checkout of this branch.
183
Weaves are used if this branch's repository uses weaves.
185
return bzrdir.format_registry.make_bzrdir("default")
187
def get_child_submit_format(self):
188
"""Return the preferred format of submissions to this branch."""
189
ret = self.get_config().get_user_option("child_submit_format")
127
self.base = bzrdir.transport.base
194
129
def _get_nick(self, local=False, possible_master_transports=None):
195
130
"""Find the nick name for this branch.
197
132
:return: Branch nick
199
return self.name or "HEAD"
201
136
def _set_nick(self, nick):
202
137
raise NotImplementedError
204
139
nick = property(_get_nick, _set_nick)
206
141
def __repr__(self):
207
return "<%s(%r, %r)>" % (self.__class__.__name__, self.repository.base,
142
return "%s(%r, %r)" % (self.__class__.__name__, self.repository.base, self.name)
144
def dpull(self, source, stop_revision=None):
145
if stop_revision is None:
146
stop_revision = source.last_revision()
147
# FIXME: Check for diverged branches
148
refs = { "refs/heads/master": stop_revision }
149
for name, revid in source.tags.get_tag_dict().iteritems():
150
if source.repository.has_revision(revid):
151
refs["refs/tags/%s" % name] = revid
152
revidmap, new_refs = self.repository.dfetch_refs(source.repository,
155
self.generate_revision_history(revidmap[stop_revision])
210
158
def generate_revision_history(self, revid, old_revid=None):
211
159
# FIXME: Check that old_revid is in the ancestry of revid
212
160
newhead, self.mapping = self.mapping.revision_id_bzr_to_foreign(revid)
213
161
self._set_head(newhead)
163
def _set_head(self, head):
165
self.repository._git.set_ref(self.name, self.head)
166
self._clear_cached_state()
215
168
def lock_write(self):
216
169
self.control_files.lock_write()
217
return GitWriteLock(self.unlock)
219
171
def get_stacked_on_url(self):
220
172
# Git doesn't do stacking (yet...)
221
raise errors.UnstackableBranchFormat(self._format, self.base)
223
175
def get_parent(self):
224
176
"""See Branch.get_parent()."""
242
193
def get_physical_lock_status(self):
197
class LocalGitBranch(GitBranch):
198
"""A local Git branch."""
246
201
def last_revision(self):
247
202
# perhaps should escape this ?
248
203
if self.head is None:
249
204
return revision.NULL_REVISION
250
return self.lookup_foreign_revision_id(self.head)
252
def _basic_push(self, target, overwrite=False, stop_revision=None):
253
return branch.InterBranch.get(self, target)._basic_push(
254
overwrite, stop_revision)
256
def lookup_foreign_revision_id(self, foreign_revid):
257
return self.repository.lookup_foreign_revision_id(foreign_revid,
260
def lookup_bzr_revision_id(self, revid):
261
return self.repository.lookup_bzr_revision_id(
262
revid, mapping=self.mapping)
265
class LocalGitBranch(GitBranch):
266
"""A local Git branch."""
268
def __init__(self, bzrdir, repository, name, lockfiles, tagsdict=None):
269
super(LocalGitBranch, self).__init__(bzrdir, repository, name,
271
refs = repository._git.get_refs()
272
if not (name in refs.keys() or "HEAD" in refs.keys()):
273
raise errors.NotBranchError(self.base)
205
return self.mapping.revision_id_foreign_to_bzr(self.head)
207
def _get_checkout_format(self):
208
"""Return the most suitable metadir for a checkout of this branch.
209
Weaves are used if this branch's repository uses weaves.
211
format = self.repository.bzrdir.checkout_metadir()
212
format.set_branch_format(self._format)
275
215
def create_checkout(self, to_location, revision_id=None, lightweight=False,
276
216
accelerator_tree=None, hardlink=False):
354
274
class GitBranchPullResult(branch.PullResult):
357
super(GitBranchPullResult, self).__init__()
358
self.new_git_head = None
359
self._old_revno = None
360
self._new_revno = None
362
276
def report(self, to_file):
363
277
if not is_quiet():
364
278
if self.old_revid == self.new_revid:
365
279
to_file.write('No revisions to pull.\n')
366
elif self.new_git_head is not None:
367
to_file.write('Now on revision %d (git sha: %s).\n' %
281
to_file.write('Now on revision %d (git sha: %s).\n' %
368
282
(self.new_revno, self.new_git_head))
370
to_file.write('Now on revision %d.\n' % (self.new_revno,))
371
283
self._show_tag_conficts(to_file)
373
def _lookup_revno(self, revid):
374
assert isinstance(revid, str), "was %r" % revid
375
# Try in source branch first, it'll be faster
377
return self.source_branch.revision_id_to_revno(revid)
378
except errors.NoSuchRevision:
379
# FIXME: Check using graph.find_distance_to_null() ?
380
return self.target_branch.revision_id_to_revno(revid)
382
def _get_old_revno(self):
383
if self._old_revno is not None:
384
return self._old_revno
385
return self._lookup_revno(self.old_revid)
387
def _set_old_revno(self, revno):
388
self._old_revno = revno
390
old_revno = property(_get_old_revno, _set_old_revno)
392
def _get_new_revno(self):
393
if self._new_revno is not None:
394
return self._new_revno
395
return self._lookup_revno(self.new_revid)
397
def _set_new_revno(self, revno):
398
self._new_revno = revno
400
new_revno = property(_get_new_revno, _set_new_revno)
403
class GitBranchPushResult(branch.BranchPushResult):
405
def _lookup_revno(self, revid):
406
assert isinstance(revid, str), "was %r" % revid
407
# Try in source branch first, it'll be faster
409
return self.source_branch.revision_id_to_revno(revid)
410
except errors.NoSuchRevision:
411
# FIXME: Check using graph.find_distance_to_null() ?
412
return self.target_branch.revision_id_to_revno(revid)
416
return self._lookup_revno(self.old_revid)
420
return self._lookup_revno(self.new_revid)
423
class InterFromGitBranch(branch.GenericInterBranch):
286
class InterGitGenericBranch(branch.InterBranch):
424
287
"""InterBranch implementation that pulls from Git into bzr."""
427
def _get_branch_formats_to_test():
431
def _get_interrepo(self, source, target):
432
return repository.InterRepository.get(source.repository,
436
def is_compatible(cls, source, target):
437
return (isinstance(source, GitBranch) and
438
not isinstance(target, GitBranch) and
439
(getattr(cls._get_interrepo(source, target), "fetch_objects", None) is not None))
441
def _update_revisions(self, stop_revision=None, overwrite=False,
442
graph=None, limit=None):
443
"""Like InterBranch.update_revisions(), but with additions.
445
Compared to the `update_revisions()` below, this function takes a
446
`limit` argument that limits how many git commits will be converted
447
and returns the new git head.
449
interrepo = self._get_interrepo(self.source, self.target)
290
def is_compatible(self, source, target):
291
return (isinstance(source, GitBranch) and
292
not isinstance(target, GitBranch))
294
def update_revisions(self, stop_revision=None, overwrite=False,
296
"""See InterBranch.update_revisions()."""
297
interrepo = repository.InterRepository.get(self.source.repository,
298
self.target.repository)
300
self._last_revid = None
450
301
def determine_wants(heads):
451
if self.source.ref is not None and not self.source.ref in heads:
452
raise NoSuchRef(self.source.ref, heads.keys())
302
if not self.source.name in heads:
303
raise NoSuchRef(self.source.name, heads.keys())
453
304
if stop_revision is not None:
454
305
self._last_revid = stop_revision
455
head, mapping = self.source.repository.lookup_bzr_revision_id(
306
self._head, mapping = self.source.repository.lookup_git_revid(
458
if self.source.ref is not None:
459
head = heads[self.source.ref]
462
self._last_revid = self.source.lookup_foreign_revision_id(head)
309
self._head = heads[self.source.name]
311
self.source.mapping.revision_id_foreign_to_bzr(self._head)
463
312
if self.target.repository.has_revision(self._last_revid):
466
pack_hint, head, refs = interrepo.fetch_objects(
467
determine_wants, self.source.mapping, limit=limit)
468
if (pack_hint is not None and
469
self.target.repository._format.pack_compresses):
470
self.target.repository.pack(hint=pack_hint)
472
self._last_revid = self.source.lookup_foreign_revision_id(head)
315
interrepo.fetch_objects(determine_wants, self.source.mapping)
474
317
prev_last_revid = None
476
319
prev_last_revid = self.target.last_revision()
477
self.target.generate_revision_history(self._last_revid,
481
def update_revisions(self, stop_revision=None, overwrite=False,
483
"""See InterBranch.update_revisions()."""
484
self._update_revisions(stop_revision, overwrite, graph)
320
self.target.generate_revision_history(self._last_revid, prev_last_revid)
486
322
def pull(self, overwrite=False, stop_revision=None,
487
323
possible_transports=None, _hook_master=None, run_hooks=True,
488
_override_hook_target=None, local=False, limit=None):
324
_override_hook_target=None, local=False):
489
325
"""See Branch.pull.
491
327
:param _hook_master: Private parameter - set the branch to
533
367
self.source.unlock()
536
def _basic_push(self, overwrite=False, stop_revision=None):
537
result = branch.BranchPushResult()
538
result.source_branch = self.source
539
result.target_branch = self.target
540
graph = self.target.repository.get_graph(self.source.repository)
541
result.old_revno, result.old_revid = self.target.last_revision_info()
542
result.new_git_head = self._update_revisions(
543
stop_revision, overwrite=overwrite, graph=graph)
544
result.tag_conflicts = self.source.tags.merge_to(self.target.tags,
546
result.new_revno, result.new_revid = self.target.last_revision_info()
550
class InterGitBranch(branch.GenericInterBranch):
373
branch.InterBranch.register_optimiser(InterGitGenericBranch)
376
class InterGitRemoteLocalBranch(branch.InterBranch):
551
377
"""InterBranch implementation that pulls between Git branches."""
554
class InterGitLocalRemoteBranch(InterGitBranch):
555
"""InterBranch that copies from a local to a remote git branch."""
558
def _get_branch_formats_to_test():
562
def is_compatible(self, source, target):
563
from bzrlib.plugins.git.remote import RemoteGitBranch
564
return (isinstance(source, LocalGitBranch) and
565
isinstance(target, RemoteGitBranch))
567
def _basic_push(self, overwrite=False, stop_revision=None):
568
from dulwich.protocol import ZERO_SHA
569
result = GitBranchPushResult()
570
result.source_branch = self.source
571
result.target_branch = self.target
572
if stop_revision is None:
573
stop_revision = self.source.last_revision()
574
# FIXME: Check for diverged branches
575
def get_changed_refs(old_refs):
576
result.old_revid = self.target.lookup_foreign_revision_id(old_refs.get(self.target.ref, ZERO_SHA))
577
refs = { self.target.ref: self.source.repository.lookup_bzr_revision_id(stop_revision)[0] }
578
result.new_revid = stop_revision
579
for name, sha in self.source.repository._git.refs.as_dict("refs/tags").iteritems():
580
refs[tag_name_to_ref(name)] = sha
582
self.target.repository.send_pack(get_changed_refs,
583
self.source.repository._git.object_store.generate_pack_contents)
587
class InterGitRemoteLocalBranch(InterGitBranch):
588
"""InterBranch that copies from a remote to a local git branch."""
591
def _get_branch_formats_to_test():
595
def is_compatible(self, source, target):
596
from bzrlib.plugins.git.remote import RemoteGitBranch
597
return (isinstance(source, RemoteGitBranch) and
380
def is_compatible(self, source, target):
381
from bzrlib.plugins.git.remote import RemoteGitBranch
382
return (isinstance(source, RemoteGitBranch) and
598
383
isinstance(target, LocalGitBranch))
600
def _basic_push(self, overwrite=False, stop_revision=None):
601
result = branch.BranchPushResult()
602
result.source_branch = self.source
603
result.target_branch = self.target
604
result.old_revid = self.target.last_revision()
605
refs, stop_revision = self.update_refs(stop_revision)
606
self.target.generate_revision_history(stop_revision, result.old_revid)
607
self.update_tags(refs)
608
result.new_revid = self.target.last_revision()
611
def update_tags(self, refs):
612
for name, v in extract_tags(refs).iteritems():
613
revid = self.target.lookup_foreign_revision_id(v)
614
self.target.tags.set_tag(name, revid)
616
def update_refs(self, stop_revision=None):
617
interrepo = repository.InterRepository.get(self.source.repository,
618
self.target.repository)
619
if stop_revision is None:
620
refs = interrepo.fetch(branches=["HEAD"])
621
stop_revision = self.target.lookup_foreign_revision_id(refs["HEAD"])
623
refs = interrepo.fetch(revision_id=stop_revision)
624
return refs, stop_revision
626
def pull(self, stop_revision=None, overwrite=False,
627
possible_transports=None, run_hooks=True,local=False):
385
def pull(self, stop_revision=None, overwrite=False,
386
possible_transports=None, local=False):
628
387
# This type of branch can't be bound.
630
389
raise errors.LocalRequiresBoundBranch()
631
390
result = GitPullResult()
632
391
result.source_branch = self.source
633
392
result.target_branch = self.target
393
interrepo = repository.InterRepository.get(self.source.repository,
394
self.target.repository)
634
395
result.old_revid = self.target.last_revision()
635
refs, stop_revision = self.update_refs(stop_revision)
396
if stop_revision is None:
397
refs = interrepo.fetch_refs(branches=["HEAD"])
398
stop_revision = self.target.mapping.revision_id_foreign_to_bzr(refs["HEAD"])
400
refs = interrepo.fetch_refs(revision_id=stop_revision)
636
401
self.target.generate_revision_history(stop_revision, result.old_revid)
637
self.update_tags(refs)
638
402
result.new_revid = self.target.last_revision()
642
class InterToGitBranch(branch.GenericInterBranch):
643
"""InterBranch implementation that pulls from Git into bzr."""
645
def __init__(self, source, target):
646
super(InterToGitBranch, self).__init__(source, target)
647
self.interrepo = repository.InterRepository.get(source.repository,
651
def _get_branch_formats_to_test():
655
def is_compatible(self, source, target):
656
return (not isinstance(source, GitBranch) and
657
isinstance(target, GitBranch))
659
def update_revisions(self, *args, **kwargs):
660
raise NoPushSupport()
662
def _get_new_refs(self, stop_revision=None):
663
if stop_revision is None:
664
stop_revision = self.source.last_revision()
665
assert type(stop_revision) is str
666
main_ref = self.target.ref or "refs/heads/master"
667
refs = { main_ref: (None, stop_revision) }
668
for name, revid in self.source.tags.get_tag_dict().iteritems():
669
if self.source.repository.has_revision(revid):
670
refs[tag_name_to_ref(name)] = (None, revid)
671
return refs, main_ref
673
def pull(self, overwrite=False, stop_revision=None, local=False,
674
possible_transports=None):
675
from dulwich.protocol import ZERO_SHA
676
result = GitBranchPullResult()
677
result.source_branch = self.source
678
result.target_branch = self.target
679
new_refs, main_ref = self._get_new_refs(stop_revision)
680
def update_refs(old_refs):
681
refs = dict(old_refs)
682
# FIXME: Check for diverged branches
683
refs.update(new_refs)
685
old_refs, new_refs = self.interrepo.fetch_refs(update_refs)
686
result.old_revid = self.target.lookup_foreign_revision_id(
687
old_refs.get(main_ref, ZERO_SHA))
688
result.new_revid = new_refs[main_ref]
691
def push(self, overwrite=False, stop_revision=None,
692
_override_hook_source_branch=None):
693
from dulwich.protocol import ZERO_SHA
694
result = GitBranchPushResult()
695
result.source_branch = self.source
696
result.target_branch = self.target
697
new_refs, main_ref = self._get_new_refs(stop_revision)
698
def update_refs(old_refs):
699
refs = dict(old_refs)
700
# FIXME: Check for diverged branches
701
refs.update(new_refs)
703
old_refs, new_refs = self.interrepo.fetch_refs(update_refs)
704
(result.old_revid, old_sha1) = old_refs.get(main_ref, (ZERO_SHA, NULL_REVISION))
705
if result.old_revid is None:
706
result.old_revid = self.target.lookup_foreign_revision_id(old_sha1)
707
result.new_revid = new_refs[main_ref]
710
def lossy_push(self, stop_revision=None):
711
result = GitBranchPushResult()
712
result.source_branch = self.source
713
result.target_branch = self.target
714
new_refs, main_ref = self._get_new_refs(stop_revision)
715
def update_refs(old_refs):
716
refs = dict(old_refs)
717
# FIXME: Check for diverged branches
718
refs.update(new_refs)
720
result.revidmap, old_refs, new_refs = self.interrepo.dfetch_refs(
722
result.old_revid = old_refs.get(self.target.ref, (None, NULL_REVISION))[1]
723
result.new_revid = new_refs[main_ref][1]
727
406
branch.InterBranch.register_optimiser(InterGitRemoteLocalBranch)
728
branch.InterBranch.register_optimiser(InterFromGitBranch)
729
branch.InterBranch.register_optimiser(InterToGitBranch)
730
branch.InterBranch.register_optimiser(InterGitLocalRemoteBranch)