81
86
def get_tag_dict(self):
83
for k,v in self.repository._git.tags.iteritems():
84
obj = self.repository._git.get_object(v)
88
for k,v in extract_tags(self.repository._git.get_refs()).iteritems():
90
obj = self.repository._git[v]
92
mutter("Tag %s points at unknown object %s, ignoring", v, obj)
85
94
while isinstance(obj, Tag):
87
obj = self.repository._git.get_object(v)
96
obj = self.repository._git[v]
88
97
if not isinstance(obj, Commit):
89
98
mutter("Tag %s points at object %r that is not a commit, "
90
99
"ignoring", k, obj)
92
ret[k] = self.branch.mapping.revision_id_foreign_to_bzr(v)
101
ret[k] = self.branch.lookup_foreign_revision_id(v)
104
def _set_tag_dict(self, to_dict):
105
extra = set(self.repository._git.get_refs().keys())
106
for k, revid in to_dict.iteritems():
107
name = tag_name_to_ref(k)
110
self.set_tag(k, revid)
112
if name.startswith("refs/tags/"):
113
del self.repository._git[name]
95
115
def set_tag(self, name, revid):
96
self.repository._git.tags[name] = revid
116
self.repository._git.refs[tag_name_to_ref(name)], _ = \
117
self.branch.mapping.revision_id_bzr_to_foreign(revid)
120
class DictTagDict(LocalGitTagDict):
122
def __init__(self, branch, tags):
123
super(DictTagDict, self).__init__(branch)
126
def get_tag_dict(self):
99
130
class GitBranchFormat(branch.BranchFormat):
112
150
return LocalGitTagDict(branch)
153
class GitReadLock(object):
155
def __init__(self, unlock):
159
class GitWriteLock(object):
161
def __init__(self, unlock):
115
165
class GitBranch(ForeignBranch):
116
166
"""An adapter to git repositories for bzr Branch objects."""
118
def __init__(self, bzrdir, repository, name, head, lockfiles):
168
def __init__(self, bzrdir, repository, ref, lockfiles, tagsdict=None):
119
169
self.repository = repository
120
170
self._format = GitBranchFormat()
121
171
self.control_files = lockfiles
122
172
self.bzrdir = bzrdir
123
173
super(GitBranch, self).__init__(repository.get_mapping())
126
self.base = bzrdir.transport.base
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")
128
194
def _get_nick(self, local=False, possible_master_transports=None):
129
195
"""Find the nick name for this branch.
131
197
:return: Branch nick
199
return self.name or "HEAD"
135
201
def _set_nick(self, nick):
136
202
raise NotImplementedError
138
204
nick = property(_get_nick, _set_nick)
140
def dpull(self, source, stop_revision=None):
141
if stop_revision is None:
142
stop_revision = source.last_revision()
143
# FIXME: Check for diverged branches
144
revidmap = self.repository.dfetch(source.repository, stop_revision)
146
self.generate_revision_history(revidmap[stop_revision])
207
return "<%s(%r, %r)>" % (self.__class__.__name__, self.repository.base,
149
210
def generate_revision_history(self, revid, old_revid=None):
150
211
# FIXME: Check that old_revid is in the ancestry of revid
151
212
newhead, self.mapping = self.mapping.revision_id_bzr_to_foreign(revid)
152
213
self._set_head(newhead)
154
def _set_head(self, head):
156
self.repository._git.set_ref(self.name, self.head)
158
215
def lock_write(self):
159
216
self.control_files.lock_write()
217
return GitWriteLock(self.unlock)
161
219
def get_stacked_on_url(self):
162
220
# Git doesn't do stacking (yet...)
221
raise errors.UnstackableBranchFormat(self._format, self.base)
165
223
def get_parent(self):
166
224
"""See Branch.get_parent()."""
180
242
def get_physical_lock_status(self):
184
class LocalGitBranch(GitBranch):
185
"""A local Git branch."""
188
246
def last_revision(self):
189
247
# perhaps should escape this ?
190
248
if self.head is None:
191
249
return revision.NULL_REVISION
192
return self.mapping.revision_id_foreign_to_bzr(self.head)
194
def _get_checkout_format(self):
195
"""Return the most suitable metadir for a checkout of this branch.
196
Weaves are used if this branch's repository uses weaves.
198
format = self.repository.bzrdir.checkout_metadir()
199
format.set_branch_format(self._format)
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,
261
class LocalGitBranch(GitBranch):
262
"""A local Git branch."""
264
def __init__(self, bzrdir, repository, name, lockfiles, tagsdict=None):
265
super(LocalGitBranch, self).__init__(bzrdir, repository, name,
267
refs = repository._git.get_refs()
268
if not (name in refs.keys() or "HEAD" in refs.keys()):
269
raise errors.NotBranchError(self.base)
202
271
def create_checkout(self, to_location, revision_id=None, lightweight=False,
203
272
accelerator_tree=None, hardlink=False):
261
350
class GitBranchPullResult(branch.PullResult):
353
super(GitBranchPullResult, self).__init__()
354
self.new_git_head = None
355
self._old_revno = None
356
self._new_revno = None
263
358
def report(self, to_file):
264
359
if not is_quiet():
265
360
if self.old_revid == self.new_revid:
266
361
to_file.write('No revisions to pull.\n')
268
to_file.write('Now on revision %d (git sha: %s).\n' %
362
elif self.new_git_head is not None:
363
to_file.write('Now on revision %d (git sha: %s).\n' %
269
364
(self.new_revno, self.new_git_head))
366
to_file.write('Now on revision %d.\n' % (self.new_revno,))
270
367
self._show_tag_conficts(to_file)
273
class InterGitGenericBranch(branch.InterBranch):
369
def _lookup_revno(self, revid):
370
assert isinstance(revid, str), "was %r" % revid
371
# Try in source branch first, it'll be faster
373
return self.source_branch.revision_id_to_revno(revid)
374
except errors.NoSuchRevision:
375
# FIXME: Check using graph.find_distance_to_null() ?
376
return self.target_branch.revision_id_to_revno(revid)
378
def _get_old_revno(self):
379
if self._old_revno is not None:
380
return self._old_revno
381
return self._lookup_revno(self.old_revid)
383
def _set_old_revno(self, revno):
384
self._old_revno = revno
386
old_revno = property(_get_old_revno, _set_old_revno)
388
def _get_new_revno(self):
389
if self._new_revno is not None:
390
return self._new_revno
391
return self._lookup_revno(self.new_revid)
393
def _set_new_revno(self, revno):
394
self._new_revno = revno
396
new_revno = property(_get_new_revno, _set_new_revno)
399
class GitBranchPushResult(branch.BranchPushResult):
401
def _lookup_revno(self, revid):
402
assert isinstance(revid, str), "was %r" % revid
403
# Try in source branch first, it'll be faster
405
return self.source_branch.revision_id_to_revno(revid)
406
except errors.NoSuchRevision:
407
# FIXME: Check using graph.find_distance_to_null() ?
408
return self.target_branch.revision_id_to_revno(revid)
412
return self._lookup_revno(self.old_revid)
416
return self._lookup_revno(self.new_revid)
419
class InterFromGitBranch(branch.GenericInterBranch):
274
420
"""InterBranch implementation that pulls from Git into bzr."""
277
def is_compatible(self, source, target):
278
return (isinstance(source, GitBranch) and
279
not isinstance(target, GitBranch))
281
def update_revisions(self, stop_revision=None, overwrite=False,
283
"""See InterBranch.update_revisions()."""
284
interrepo = repository.InterRepository.get(self.source.repository,
285
self.target.repository)
287
self._last_revid = None
423
def _get_branch_formats_to_test():
427
def _get_interrepo(self, source, target):
428
return repository.InterRepository.get(source.repository,
432
def is_compatible(cls, source, target):
433
return (isinstance(source, GitBranch) and
434
not isinstance(target, GitBranch) and
435
(getattr(cls._get_interrepo(source, target), "fetch_objects", None) is not None))
437
def _update_revisions(self, stop_revision=None, overwrite=False,
438
graph=None, limit=None):
439
"""Like InterBranch.update_revisions(), but with additions.
441
Compared to the `update_revisions()` below, this function takes a
442
`limit` argument that limits how many git commits will be converted
443
and returns the new git head.
445
interrepo = self._get_interrepo(self.source, self.target)
288
446
def determine_wants(heads):
289
if not self.source.name in heads:
290
raise NoSuchRef(self.source.name, heads.keys())
447
if self.source.ref is not None and not self.source.ref in heads:
448
raise NoSuchRef(self.source.ref, heads.keys())
291
449
if stop_revision is not None:
292
450
self._last_revid = stop_revision
293
self._head, mapping = self.source.repository.lookup_git_revid(
451
head, mapping = self.source.repository.lookup_bzr_revision_id(
296
self._head = heads[self.source.name]
298
self.source.mapping.revision_id_foreign_to_bzr(self._head)
454
if self.source.ref is not None:
455
head = heads[self.source.ref]
458
self._last_revid = self.source.lookup_foreign_revision_id(head)
299
459
if self.target.repository.has_revision(self._last_revid):
302
interrepo.fetch_objects(determine_wants, self.source.mapping)
462
pack_hint, head, refs = interrepo.fetch_objects(
463
determine_wants, self.source.mapping, limit=limit)
464
if (pack_hint is not None and
465
self.target.repository._format.pack_compresses):
466
self.target.repository.pack(hint=pack_hint)
468
self._last_revid = self.source.lookup_foreign_revision_id(head)
304
470
prev_last_revid = None
306
472
prev_last_revid = self.target.last_revision()
307
self.target.generate_revision_history(self._last_revid, prev_last_revid)
473
self.target.generate_revision_history(self._last_revid,
477
def update_revisions(self, stop_revision=None, overwrite=False,
479
"""See InterBranch.update_revisions()."""
480
self._update_revisions(stop_revision, overwrite, graph)
309
482
def pull(self, overwrite=False, stop_revision=None,
310
483
possible_transports=None, _hook_master=None, run_hooks=True,
311
_override_hook_target=None):
484
_override_hook_target=None, local=False, limit=None):
312
485
"""See Branch.pull.
314
487
:param _hook_master: Private parameter - set the branch to
351
529
self.source.unlock()
357
branch.InterBranch.register_optimiser(InterGitGenericBranch)
360
class InterGitRemoteLocalBranch(branch.InterBranch):
532
def _basic_push(self, overwrite=False, stop_revision=None):
533
result = branch.BranchPushResult()
534
result.source_branch = self.source
535
result.target_branch = self.target
536
graph = self.target.repository.get_graph(self.source.repository)
537
result.old_revno, result.old_revid = self.target.last_revision_info()
538
result.new_git_head = self._update_revisions(
539
stop_revision, overwrite=overwrite, graph=graph)
540
result.tag_conflicts = self.source.tags.merge_to(self.target.tags,
542
result.new_revno, result.new_revid = self.target.last_revision_info()
546
class InterGitBranch(branch.GenericInterBranch):
361
547
"""InterBranch implementation that pulls between Git branches."""
364
def is_compatible(self, source, target):
365
from bzrlib.plugins.git.remote import RemoteGitBranch
366
return (isinstance(source, RemoteGitBranch) and
550
class InterGitLocalRemoteBranch(InterGitBranch):
551
"""InterBranch that copies from a local to a remote git branch."""
554
def _get_branch_formats_to_test():
558
def is_compatible(self, source, target):
559
from bzrlib.plugins.git.remote import RemoteGitBranch
560
return (isinstance(source, LocalGitBranch) and
561
isinstance(target, RemoteGitBranch))
563
def _basic_push(self, overwrite=False, stop_revision=None):
564
from dulwich.protocol import ZERO_SHA
565
result = GitBranchPushResult()
566
result.source_branch = self.source
567
result.target_branch = self.target
568
if stop_revision is None:
569
stop_revision = self.source.last_revision()
570
# FIXME: Check for diverged branches
571
def get_changed_refs(old_refs):
572
result.old_revid = self.target.lookup_foreign_revision_id(old_refs.get(self.target.ref, ZERO_SHA))
573
refs = { self.target.ref: self.source.repository.lookup_bzr_revision_id(stop_revision)[0] }
574
result.new_revid = stop_revision
575
for name, sha in self.source.repository._git.refs.as_dict("refs/tags").iteritems():
576
refs[tag_name_to_ref(name)] = sha
578
self.target.repository.send_pack(get_changed_refs,
579
self.source.repository._git.object_store.generate_pack_contents)
583
class InterGitRemoteLocalBranch(InterGitBranch):
584
"""InterBranch that copies from a remote to a local git branch."""
587
def _get_branch_formats_to_test():
591
def is_compatible(self, source, target):
592
from bzrlib.plugins.git.remote import RemoteGitBranch
593
return (isinstance(source, RemoteGitBranch) and
367
594
isinstance(target, LocalGitBranch))
369
def pull(self, stop_revision=None, overwrite=False,
370
possible_transports=None):
596
def _basic_push(self, overwrite=False, stop_revision=None):
597
result = branch.BranchPushResult()
598
result.source_branch = self.source
599
result.target_branch = self.target
600
result.old_revid = self.target.last_revision()
601
refs, stop_revision = self.update_refs(stop_revision)
602
self.target.generate_revision_history(stop_revision, result.old_revid)
603
self.update_tags(refs)
604
result.new_revid = self.target.last_revision()
607
def update_tags(self, refs):
608
for name, v in extract_tags(refs).iteritems():
609
revid = self.target.lookup_foreign_revision_id(v)
610
self.target.tags.set_tag(name, revid)
612
def update_refs(self, stop_revision=None):
613
interrepo = repository.InterRepository.get(self.source.repository,
614
self.target.repository)
615
if stop_revision is None:
616
refs = interrepo.fetch(branches=["HEAD"])
617
stop_revision = self.target.lookup_foreign_revision_id(refs["HEAD"])
619
refs = interrepo.fetch(revision_id=stop_revision)
620
return refs, stop_revision
622
def pull(self, stop_revision=None, overwrite=False,
623
possible_transports=None, run_hooks=True,local=False):
624
# This type of branch can't be bound.
626
raise errors.LocalRequiresBoundBranch()
371
627
result = GitPullResult()
372
628
result.source_branch = self.source
373
629
result.target_branch = self.target
374
interrepo = repository.InterRepository.get(self.source.repository,
375
self.target.repository)
376
630
result.old_revid = self.target.last_revision()
631
refs, stop_revision = self.update_refs(stop_revision)
632
self.target.generate_revision_history(stop_revision, result.old_revid)
633
self.update_tags(refs)
634
result.new_revid = self.target.last_revision()
638
class InterToGitBranch(branch.GenericInterBranch):
639
"""InterBranch implementation that pulls from Git into bzr."""
641
def __init__(self, source, target):
642
super(InterToGitBranch, self).__init__(source, target)
643
self.interrepo = repository.InterRepository.get(source.repository,
647
def _get_branch_formats_to_test():
651
def is_compatible(self, source, target):
652
return (not isinstance(source, GitBranch) and
653
isinstance(target, GitBranch))
655
def update_revisions(self, *args, **kwargs):
656
raise NoPushSupport()
658
def _get_new_refs(self, stop_revision=None):
377
659
if stop_revision is None:
378
660
stop_revision = self.source.last_revision()
379
interrepo.fetch(revision_id=stop_revision)
380
self.target.generate_revision_history(stop_revision, result.old_revid)
381
result.new_revid = self.target.last_revision()
661
assert type(stop_revision) is str
662
main_ref = self.target.ref or "refs/heads/master"
663
refs = { main_ref: (None, stop_revision) }
664
for name, revid in self.source.tags.get_tag_dict().iteritems():
665
if self.source.repository.has_revision(revid):
666
refs[tag_name_to_ref(name)] = (None, revid)
667
return refs, main_ref
669
def pull(self, overwrite=False, stop_revision=None, local=False,
670
possible_transports=None):
671
from dulwich.protocol import ZERO_SHA
672
result = GitBranchPullResult()
673
result.source_branch = self.source
674
result.target_branch = self.target
675
new_refs, main_ref = self._get_new_refs(stop_revision)
676
def update_refs(old_refs):
677
refs = dict(old_refs)
678
# FIXME: Check for diverged branches
679
refs.update(new_refs)
681
old_refs, new_refs = self.interrepo.fetch_refs(update_refs)
682
result.old_revid = self.target.lookup_foreign_revision_id(
683
old_refs.get(main_ref, ZERO_SHA))
684
result.new_revid = new_refs[main_ref]
687
def push(self, overwrite=False, stop_revision=None,
688
_override_hook_source_branch=None):
689
from dulwich.protocol import ZERO_SHA
690
result = GitBranchPushResult()
691
result.source_branch = self.source
692
result.target_branch = self.target
693
new_refs, main_ref = self._get_new_refs(stop_revision)
694
def update_refs(old_refs):
695
refs = dict(old_refs)
696
# FIXME: Check for diverged branches
697
refs.update(new_refs)
699
old_refs, new_refs = self.interrepo.fetch_refs(update_refs)
700
result.old_revid = self.target.lookup_foreign_revision_id(
701
old_refs.get(main_ref, ZERO_SHA))
702
result.new_revid = new_refs[main_ref]
705
def lossy_push(self, stop_revision=None):
706
result = GitBranchPushResult()
707
result.source_branch = self.source
708
result.target_branch = self.target
709
new_refs, main_ref = self._get_new_refs(stop_revision)
710
def update_refs(old_refs):
711
refs = dict(old_refs)
712
# FIXME: Check for diverged branches
713
refs.update(new_refs)
715
result.revidmap, old_refs, new_refs = self.interrepo.dfetch_refs(
717
result.old_revid = old_refs.get(self.target.ref, (None, NULL_REVISION))[1]
718
result.new_revid = new_refs[main_ref][1]
385
722
branch.InterBranch.register_optimiser(InterGitRemoteLocalBranch)
723
branch.InterBranch.register_optimiser(InterFromGitBranch)
724
branch.InterBranch.register_optimiser(InterToGitBranch)
725
branch.InterBranch.register_optimiser(InterGitLocalRemoteBranch)