53
from bzrlib.plugins.git.refs import (
59
from bzrlib.foreign import ForeignBranch
56
from bzrlib.foreign import ForeignBranch
58
class ForeignBranch(branch.Branch):
59
def __init__(self, mapping):
60
self.mapping = mapping
61
super(ForeignBranch, self).__init__()
64
def extract_tags(refs, mapping):
66
for k,v in refs.iteritems():
67
if k.startswith("refs/tags/") and not k.endswith("^{}"):
68
v = refs.get(k+"^{}", v)
69
ret[k[len("refs/tags/"):]] = mapping.revision_id_foreign_to_bzr(v)
62
73
class GitPullResult(branch.PullResult):
63
"""Result of a pull from a Git branch."""
65
75
def _lookup_revno(self, revid):
66
76
assert isinstance(revid, str), "was %r" % revid
86
96
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)
98
for k,v in self.repository._git.refs.as_dict("refs/tags").iteritems():
99
obj = self.repository._git.get_object(v)
94
100
while isinstance(obj, Tag):
96
obj = self.repository._git[v]
102
obj = self.repository._git.get_object(v)
97
103
if not isinstance(obj, Commit):
98
104
mutter("Tag %s points at object %r that is not a commit, "
99
105
"ignoring", k, obj)
101
ret[k] = self.branch.lookup_foreign_revision_id(v)
107
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
110
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):
111
self.repository._git.refs["refs/tags/%s" % name], _ = \
112
self.branch.mapping.revision_id_bzr_to_foreign(revid)
130
115
class GitBranchFormat(branch.BranchFormat):
150
128
return LocalGitTagDict(branch)
153
class GitReadLock(object):
155
def __init__(self, unlock):
159
class GitWriteLock(object):
161
def __init__(self, unlock):
165
131
class GitBranch(ForeignBranch):
166
132
"""An adapter to git repositories for bzr Branch objects."""
168
def __init__(self, bzrdir, repository, ref, lockfiles, tagsdict=None):
134
def __init__(self, bzrdir, repository, name, lockfiles):
169
135
self.repository = repository
170
136
self._format = GitBranchFormat()
171
137
self.control_files = lockfiles
172
138
self.bzrdir = bzrdir
173
139
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
141
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")
142
self.base = bzrdir.transport.base
194
144
def _get_nick(self, local=False, possible_master_transports=None):
195
145
"""Find the nick name for this branch.
197
147
:return: Branch nick
199
return self.name or "HEAD"
201
151
def _set_nick(self, nick):
202
152
raise NotImplementedError
247
194
# perhaps should escape this ?
248
195
if self.head is None:
249
196
return revision.NULL_REVISION
250
return self.lookup_foreign_revision_id(self.head)
197
return self.mapping.revision_id_foreign_to_bzr(self.head)
252
199
def _basic_push(self, target, overwrite=False, stop_revision=None):
253
200
return branch.InterBranch.get(self, target)._basic_push(
254
201
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
204
class LocalGitBranch(GitBranch):
266
205
"""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)
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):
280
220
format = self._get_checkout_format()
281
221
checkout = format.initialize_on_transport(t)
282
from_branch = branch.BranchReferenceFormat().initialize(checkout,
222
from_branch = branch.BranchReferenceFormat().initialize(checkout,
284
224
tree = checkout.create_workingtree(revision_id,
285
225
from_branch=from_branch, hardlink=hardlink)
288
228
return self._create_heavyweight_checkout(to_location, revision_id,
291
def _create_heavyweight_checkout(self, to_location, revision_id=None,
231
def _create_heavyweight_checkout(self, to_location, revision_id=None,
293
233
"""Create a new heavyweight checkout of this branch.
354
295
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
297
def report(self, to_file):
363
298
if not is_quiet():
364
299
if self.old_revid == self.new_revid:
365
300
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' %
302
to_file.write('Now on revision %d (git sha: %s).\n' %
368
303
(self.new_revno, self.new_git_head))
370
to_file.write('Now on revision %d.\n' % (self.new_revno,))
371
304
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
307
class GitBranchPushResult(branch.BranchPushResult):
423
327
class InterFromGitBranch(branch.GenericInterBranch):
424
328
"""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)
331
def is_compatible(self, source, target):
332
return (isinstance(source, GitBranch) and
333
not isinstance(target, GitBranch))
335
def update_revisions(self, stop_revision=None, overwrite=False,
337
"""See InterBranch.update_revisions()."""
338
interrepo = repository.InterRepository.get(self.source.repository,
339
self.target.repository)
341
self._last_revid = None
450
342
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())
343
if not self.source.name in heads:
344
raise NoSuchRef(self.source.name, heads.keys())
453
345
if stop_revision is not None:
454
346
self._last_revid = stop_revision
455
head, mapping = self.source.repository.lookup_bzr_revision_id(
347
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)
350
self._head = heads[self.source.name]
352
self.source.mapping.revision_id_foreign_to_bzr(self._head)
463
353
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)
356
interrepo.fetch_objects(determine_wants, self.source.mapping)
474
358
prev_last_revid = None
476
360
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)
361
self.target.generate_revision_history(self._last_revid, prev_last_revid)
486
363
def pull(self, overwrite=False, stop_revision=None,
487
364
possible_transports=None, _hook_master=None, run_hooks=True,
488
_override_hook_target=None, local=False, limit=None):
365
_override_hook_target=None, local=False):
489
366
"""See Branch.pull.
491
368
:param _hook_master: Private parameter - set the branch to
512
387
# We assume that during 'pull' the target repository is closer than
513
388
# the source one.
514
389
graph = self.target.repository.get_graph(self.source.repository)
515
(result.old_revno, result.old_revid) = \
390
result.old_revno, result.old_revid = \
516
391
self.target.last_revision_info()
517
result.new_git_head = self._update_revisions(
518
stop_revision, overwrite=overwrite, graph=graph, limit=limit)
392
self.update_revisions(stop_revision, overwrite=overwrite,
394
result.new_git_head = self._head
519
395
result.tag_conflicts = self.source.tags.merge_to(self.target.tags,
521
(result.new_revno, result.new_revid) = \
522
self.target.last_revision_info()
397
result.new_revno, result.new_revid = self.target.last_revision_info()
524
399
result.master_branch = _hook_master
525
400
result.local_branch = result.target_branch
554
430
class InterGitLocalRemoteBranch(InterGitBranch):
555
431
"""InterBranch that copies from a local to a remote git branch."""
558
def _get_branch_formats_to_test():
562
434
def is_compatible(self, source, target):
563
435
from bzrlib.plugins.git.remote import RemoteGitBranch
564
return (isinstance(source, LocalGitBranch) and
436
return (isinstance(source, LocalGitBranch) and
565
437
isinstance(target, RemoteGitBranch))
567
439
def _basic_push(self, overwrite=False, stop_revision=None):
568
from dulwich.protocol import ZERO_SHA
569
440
result = GitBranchPushResult()
570
441
result.source_branch = self.source
571
442
result.target_branch = self.target
573
444
stop_revision = self.source.last_revision()
574
445
# FIXME: Check for diverged branches
575
446
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] }
447
result.old_revid = self.target.mapping.revision_id_foreign_to_bzr(old_refs["refs/heads/master"])
448
refs = { "refs/heads/master": self.source.repository.lookup_git_revid(stop_revision)[0] }
578
449
result.new_revid = stop_revision
579
450
for name, sha in self.source.repository._git.refs.as_dict("refs/tags").iteritems():
580
refs[tag_name_to_ref(name)] = sha
451
refs["refs/tags/%s" % name] = sha
582
self.target.repository.send_pack(get_changed_refs,
583
self.source.repository._git.object_store.generate_pack_contents)
453
self.target.repository.send_pack(get_changed_refs,
454
self.source.repository._git.object_store.generate_pack_contents)
587
458
class InterGitRemoteLocalBranch(InterGitBranch):
588
459
"""InterBranch that copies from a remote to a local git branch."""
591
def _get_branch_formats_to_test():
595
462
def is_compatible(self, source, target):
596
463
from bzrlib.plugins.git.remote import RemoteGitBranch
597
return (isinstance(source, RemoteGitBranch) and
464
return (isinstance(source, RemoteGitBranch) and
598
465
isinstance(target, LocalGitBranch))
600
467
def _basic_push(self, overwrite=False, stop_revision=None):
611
478
def update_tags(self, refs):
612
for name, v in extract_tags(refs).iteritems():
613
revid = self.target.lookup_foreign_revision_id(v)
479
for name, revid in extract_tags(refs, self.target.mapping).iteritems():
614
480
self.target.tags.set_tag(name, revid)
616
482
def update_refs(self, stop_revision=None):
617
interrepo = repository.InterRepository.get(self.source.repository,
483
interrepo = repository.InterRepository.get(self.source.repository,
618
484
self.target.repository)
619
485
if stop_revision is None:
620
refs = interrepo.fetch(branches=["HEAD"])
621
stop_revision = self.target.lookup_foreign_revision_id(refs["HEAD"])
486
refs = interrepo.fetch_refs(branches=["HEAD"])
487
stop_revision = self.target.mapping.revision_id_foreign_to_bzr(refs["HEAD"])
623
refs = interrepo.fetch(revision_id=stop_revision)
489
refs = interrepo.fetch_refs(revision_id=stop_revision)
624
490
return refs, stop_revision
626
def pull(self, stop_revision=None, overwrite=False,
627
possible_transports=None, run_hooks=True,local=False):
492
def pull(self, stop_revision=None, overwrite=False,
493
possible_transports=None, local=False):
628
494
# This type of branch can't be bound.
630
496
raise errors.LocalRequiresBoundBranch()
638
504
result.new_revid = self.target.last_revision()
642
class InterToGitBranch(branch.GenericInterBranch):
508
class InterToGitBranch(branch.InterBranch):
643
509
"""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
512
def is_compatible(self, source, target):
656
return (not isinstance(source, GitBranch) and
513
return (not isinstance(source, GitBranch) and
657
514
isinstance(target, GitBranch))
659
def update_revisions(self, *args, **kwargs):
516
def push(self, overwrite=True, stop_revision=None,
517
_override_hook_source_branch=None):
660
518
raise NoPushSupport()
662
def _get_new_refs(self, stop_revision=None):
520
def lossy_push(self, stop_revision=None):
521
result = GitBranchPushResult()
522
result.source_branch = self.source
523
result.target_branch = self.target
524
result.old_revid = self.target.last_revision()
663
525
if stop_revision is None:
664
526
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) }
527
# FIXME: Check for diverged branches
528
refs = { "refs/heads/master": stop_revision }
668
529
for name, revid in self.source.tags.get_tag_dict().iteritems():
669
530
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]
531
refs["refs/tags/%s" % name] = revid
532
revidmap, new_refs = self.target.repository.dfetch_refs(
533
self.source.repository, refs)
535
self.target.generate_revision_history(revidmap[stop_revision])
536
result.new_revid = revidmap[stop_revision]
538
result.new_revid = result.old_revid
539
result.revidmap = revidmap