53
from bzrlib.plugins.git.refs import (
59
from bzrlib.foreign import ForeignBranch
52
from bzrlib.foreign import ForeignBranch
54
class ForeignBranch(branch.Branch):
55
def __init__(self, mapping):
56
self.mapping = mapping
57
super(ForeignBranch, self).__init__()
60
def extract_tags(refs, mapping):
62
for k,v in refs.iteritems():
63
if k.startswith("refs/tags/") and not k.endswith("^{}"):
64
v = refs.get(k+"^{}", v)
65
ret[k[len("refs/tags/"):]] = mapping.revision_id_foreign_to_bzr(v)
62
69
class GitPullResult(branch.PullResult):
63
"""Result of a pull from a Git branch."""
65
71
def _lookup_revno(self, revid):
66
72
assert isinstance(revid, str), "was %r" % revid
86
92
def get_tag_dict(self):
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)
94
for k,v in self.repository._git.refs.as_dict("refs/tags").iteritems():
95
obj = self.repository._git.get_object(v)
94
96
while isinstance(obj, Tag):
96
obj = self.repository._git[v]
98
obj = self.repository._git.get_object(v)
97
99
if not isinstance(obj, Commit):
98
100
mutter("Tag %s points at object %r that is not a commit, "
99
101
"ignoring", k, obj)
101
ret[k] = self.branch.lookup_foreign_revision_id(v)
103
ret[k] = self.branch.mapping.revision_id_foreign_to_bzr(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]
115
106
def set_tag(self, name, revid):
116
self.repository._git.refs[tag_name_to_ref(name)], _ = \
117
self.branch.lookup_bzr_revision_id(revid)
120
class DictTagDict(LocalGitTagDict):
122
def __init__(self, branch, tags):
123
super(DictTagDict, self).__init__(branch)
126
def get_tag_dict(self):
107
self.repository._git.refs["refs/tags/%s" % name], _ = \
108
self.branch.mapping.revision_id_bzr_to_foreign(revid)
130
111
class GitBranchFormat(branch.BranchFormat):
150
124
return LocalGitTagDict(branch)
153
class GitReadLock(object):
155
def __init__(self, unlock):
159
class GitWriteLock(object):
161
def __init__(self, unlock):
165
127
class GitBranch(ForeignBranch):
166
128
"""An adapter to git repositories for bzr Branch objects."""
168
def __init__(self, bzrdir, repository, ref, lockfiles, tagsdict=None):
130
def __init__(self, bzrdir, repository, name, lockfiles):
169
131
self.repository = repository
170
132
self._format = GitBranchFormat()
171
133
self.control_files = lockfiles
172
134
self.bzrdir = bzrdir
173
135
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)
178
137
self._head = None
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")
138
self.base = bzrdir.transport.base
194
140
def _get_nick(self, local=False, possible_master_transports=None):
195
141
"""Find the nick name for this branch.
197
143
:return: Branch nick
199
return self.name or "HEAD"
201
147
def _set_nick(self, nick):
202
148
raise NotImplementedError
247
190
# perhaps should escape this ?
248
191
if self.head is None:
249
192
return revision.NULL_REVISION
250
return self.lookup_foreign_revision_id(self.head)
193
return self.mapping.revision_id_foreign_to_bzr(self.head)
252
195
def _basic_push(self, target, overwrite=False, stop_revision=None):
253
196
return branch.InterBranch.get(self, target)._basic_push(
254
197
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
200
class LocalGitBranch(GitBranch):
266
201
"""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)
203
def _get_checkout_format(self):
204
"""Return the most suitable metadir for a checkout of this branch.
205
Weaves are used if this branch's repository uses weaves.
207
format = self.repository.bzrdir.checkout_metadir()
208
format.set_branch_format(self._format)
275
211
def create_checkout(self, to_location, revision_id=None, lightweight=False,
276
212
accelerator_tree=None, hardlink=False):
354
283
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
285
def report(self, to_file):
363
286
if not is_quiet():
364
287
if self.old_revid == self.new_revid:
365
288
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' %
290
to_file.write('Now on revision %d (git sha: %s).\n' %
368
291
(self.new_revno, self.new_git_head))
370
to_file.write('Now on revision %d.\n' % (self.new_revno,))
371
292
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
295
class GitBranchPushResult(branch.BranchPushResult):
423
315
class InterFromGitBranch(branch.GenericInterBranch):
424
316
"""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)
319
def is_compatible(self, source, target):
320
return (isinstance(source, GitBranch) and
321
not isinstance(target, GitBranch))
323
def update_revisions(self, stop_revision=None, overwrite=False,
325
"""See InterBranch.update_revisions()."""
326
interrepo = repository.InterRepository.get(self.source.repository,
327
self.target.repository)
329
self._last_revid = None
450
330
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())
331
if not self.source.name in heads:
332
raise NoSuchRef(self.source.name, heads.keys())
453
333
if stop_revision is not None:
454
334
self._last_revid = stop_revision
455
head, mapping = self.source.repository.lookup_bzr_revision_id(
335
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)
338
self._head = heads[self.source.name]
340
self.source.mapping.revision_id_foreign_to_bzr(self._head)
463
341
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)
344
interrepo.fetch_objects(determine_wants, self.source.mapping)
474
346
prev_last_revid = None
476
348
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)
349
self.target.generate_revision_history(self._last_revid, prev_last_revid)
486
351
def pull(self, overwrite=False, stop_revision=None,
487
352
possible_transports=None, _hook_master=None, run_hooks=True,
488
_override_hook_target=None, local=False, limit=None):
353
_override_hook_target=None, local=False):
489
354
"""See Branch.pull.
491
356
:param _hook_master: Private parameter - set the branch to
512
375
# We assume that during 'pull' the target repository is closer than
513
376
# the source one.
514
377
graph = self.target.repository.get_graph(self.source.repository)
515
(result.old_revno, result.old_revid) = \
378
result.old_revno, result.old_revid = \
516
379
self.target.last_revision_info()
517
result.new_git_head = self._update_revisions(
518
stop_revision, overwrite=overwrite, graph=graph, limit=limit)
380
self.update_revisions(stop_revision, overwrite=overwrite,
382
result.new_git_head = self._head
519
383
result.tag_conflicts = self.source.tags.merge_to(self.target.tags,
521
(result.new_revno, result.new_revid) = \
522
self.target.last_revision_info()
385
result.new_revno, result.new_revid = self.target.last_revision_info()
524
387
result.master_branch = _hook_master
525
388
result.local_branch = result.target_branch
539
402
result.target_branch = self.target
540
403
graph = self.target.repository.get_graph(self.source.repository)
541
404
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)
405
self.update_revisions(stop_revision, overwrite=overwrite,
407
result.new_git_head = self._head
544
408
result.tag_conflicts = self.source.tags.merge_to(self.target.tags,
546
410
result.new_revno, result.new_revid = self.target.last_revision_info()
550
class InterGitBranch(branch.GenericInterBranch):
414
class InterGitRemoteLocalBranch(branch.InterBranch):
551
415
"""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
418
def is_compatible(self, source, target):
419
from bzrlib.plugins.git.remote import RemoteGitBranch
420
return (isinstance(source, RemoteGitBranch) and
598
421
isinstance(target, LocalGitBranch))
600
423
def _basic_push(self, overwrite=False, stop_revision=None):
611
434
def update_tags(self, refs):
612
for name, v in extract_tags(refs).iteritems():
613
revid = self.target.lookup_foreign_revision_id(v)
435
for name, revid in extract_tags(refs, self.target.mapping).iteritems():
614
436
self.target.tags.set_tag(name, revid)
616
438
def update_refs(self, stop_revision=None):
617
interrepo = repository.InterRepository.get(self.source.repository,
439
interrepo = repository.InterRepository.get(self.source.repository,
618
440
self.target.repository)
619
441
if stop_revision is None:
620
refs = interrepo.fetch(branches=["HEAD"])
621
stop_revision = self.target.lookup_foreign_revision_id(refs["HEAD"])
442
refs = interrepo.fetch_refs(branches=["HEAD"])
443
stop_revision = self.target.mapping.revision_id_foreign_to_bzr(refs["HEAD"])
623
refs = interrepo.fetch(revision_id=stop_revision)
445
refs = interrepo.fetch_refs(revision_id=stop_revision)
624
446
return refs, stop_revision
626
def pull(self, stop_revision=None, overwrite=False,
627
possible_transports=None, run_hooks=True,local=False):
448
def pull(self, stop_revision=None, overwrite=False,
449
possible_transports=None, local=False):
628
450
# This type of branch can't be bound.
630
452
raise errors.LocalRequiresBoundBranch()
638
460
result.new_revid = self.target.last_revision()
642
class InterToGitBranch(branch.GenericInterBranch):
464
class InterToGitBranch(branch.InterBranch):
643
465
"""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
468
def is_compatible(self, source, target):
656
return (not isinstance(source, GitBranch) and
469
return (not isinstance(source, GitBranch) and
657
470
isinstance(target, GitBranch))
659
def update_revisions(self, *args, **kwargs):
472
def push(self, overwrite=True, stop_revision=None,
473
_override_hook_source_branch=None):
660
474
raise NoPushSupport()
662
def _get_new_refs(self, stop_revision=None):
476
def lossy_push(self, stop_revision=None):
477
result = GitBranchPushResult()
478
result.source_branch = self.source
479
result.target_branch = self.target
480
result.old_revid = self.target.last_revision()
663
481
if stop_revision is None:
664
482
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) }
483
# FIXME: Check for diverged branches
484
refs = { "refs/heads/master": stop_revision }
668
485
for name, revid in self.source.tags.get_tag_dict().iteritems():
669
486
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]
487
refs["refs/tags/%s" % name] = revid
488
revidmap, new_refs = self.target.repository.dfetch_refs(
489
self.source.repository, refs)
491
self.target.generate_revision_history(revidmap[stop_revision])
492
result.new_revid = self.target.last_revision()
493
result.revidmap = revidmap
727
497
branch.InterBranch.register_optimiser(InterGitRemoteLocalBranch)
728
498
branch.InterBranch.register_optimiser(InterFromGitBranch)
729
499
branch.InterBranch.register_optimiser(InterToGitBranch)
730
branch.InterBranch.register_optimiser(InterGitLocalRemoteBranch)